A cable adapter

Abstract

The present invention discloses a cable adapter, which comprises: a first adapter body including a first end and a second end connected to the first end. The first adapter body has a first insertion cavity penetrating through the first end and the second end, and the first insertion cavity is used for inserting a first cable plug; a second adapter body including a third end and a fourth end connected to the third end. The second adapter body has a second insertion cavity penetrating through the third end and the fourth end, and the second insertion cavity is used for inserting a second cable plug to achieve optical coupling with the first cable plug. Wherein, the second adapter body is detachably / coupled to the first adapter body. The cable adapter provided by the present invention makes the installation and disassembly of the cable adapter more convenient, has a simple structure and is easy to implement by detachably or coupling the first adapter body and the second adapter body.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and particularly to a cable adapter. Background Art

[0002] In a cable connection system, such as an optical communication system, an MPO (Multi-fiber Push On) fiber optic connector is usually plugged into a corresponding adapter to achieve the transmission of optical signals. With the continuous development of communication electronic devices towards miniaturization and high power density, higher requirements are put forward for the integration, reliability, and stability of products. Currently, most fiber optic adapters used to cooperate with fiber optic connector joints adopt a fixed connection method, making the installation and disassembly of the fiber optic adapter extremely inconvenient. Summary of the Invention

[0003] The main technical problem to be solved by the present invention is to provide a cable adapter to solve the problem of inconvenient installation and disassembly of the cable adapter in the prior art.

[0004] To solve the above technical problem, the first technical solution adopted by the present invention is: to provide a cable adapter, which includes: a first adapter body, the first adapter body includes a first end and a second end connected to the first end, the first adapter body has a first insertion cavity penetrating the first end and the second end, and the first insertion cavity is used for inserting a first cable plug; a second adapter body, the second adapter body includes a third end and a fourth end connected to the third end, the second adapter body has a second insertion cavity penetrating the third end and the fourth end, and the second insertion cavity is used for inserting a second cable plug to achieve optical coupling with the first cable plug; wherein, the second adapter body is detachably / coupled to the first adapter body.

[0005] Wherein, a sixth connection part is provided on the first adapter body, a fifth connection part is provided on the second adapter body, and the first adapter body and the second adapter body are detachably / coupled through the fifth connection part and the sixth connection part.

[0006] Wherein, the sixth connection part includes a clamping component on the first adapter body, the fifth connection part includes a slot component on the second adapter body, the position of the clamping component corresponds to that of the slot component, when the first adapter body and the second adapter body are assembled, the clamping component is clamped in the slot component, when the first adapter body is separated from the second adapter body, the clamping component is separated from the slot component; or the sixth connection part includes a slot component on the first adapter body, the fifth connection part includes a clamping component on the second adapter body, the position of the clamping component corresponds to that of the slot component, when the first adapter body and the second adapter body are assembled, the clamping component is clamped in the slot component, when the first adapter body is separated from the second adapter body, the clamping component is separated from the slot component.

[0007] Among them, the first adapter body includes a first shell and a second shell, a second installation cavity is formed in the second shell, the second installation cavity is used to accommodate the first shell, a first plug-in cavity is formed in the first shell, and the first shell and the second shell are detachably / snap-in connected.

[0008] Among them, the first shell includes a first insertion end and a first coupling end connected to the first insertion end, the second shell includes a first receiving end and a first connecting end connected to the first receiving end, the first insertion end and the first receiving end correspond to the first end, the first coupling end and the first connecting end correspond to the second end, and the first connecting end is used for detachable / snap-on connection with the second adapter body.

[0009] Among them, a first connecting part is arranged on the outer wall of the first shell, a second connecting part is arranged on the inner wall of the second installation cavity of the second shell, and the second shell and the first shell are detachably / snap-connected through the first connecting part and the second connecting part.

[0010] Among them, the first connecting part includes a first elastic member protruding from the outer wall of the first shell, the second connecting part is a first slot on the inner wall of the second mounting cavity, the position of the first elastic member corresponds to the first slot, and in the process of the first shell entering the second mounting cavity of the second shell, the first elastic member is firstly compressed and deformed by the inner wall of the second mounting cavity of the second shell, and when reaching the end of the stroke, the first elastic member reaches the position of the first slot and elastically recovers, and then at least partially enters the first slot; or the first connecting part includes a first slot recessed into the outer wall of the first shell, the second connecting part is a first elastic member on the inner wall of the second mounting cavity, the position of the first elastic member corresponds to the first slot, and in the process of the first shell entering the second mounting cavity of the second shell, the first elastic member is firstly compressed and deformed by the outer wall of the first shell, and when reaching the end of the stroke, the first elastic member reaches the position of the first slot and elastically recovers, and then at least partially enters the first slot.

[0011] Among them, the outer wall of the first shell / inner wall of the second installation cavity corresponding to the first elastic member has a first avoidance groove, and the first elastic member is a first elastic arm extending from one end of the first avoidance groove in a direction close to the first end or in a direction away from the first end to the second end. When the first elastic arm is not pressed, at least one side of the bottom surface of the first avoidance groove protrudes from the outer wall of the first shell / inner wall of the second installation cavity, and is spaced apart from the bottom of the first avoidance groove, and sinks into the first avoidance groove when pressed.

[0012] Wherein, a first clamping block is arranged on the surface of the first elastic arm away from the bottom surface of the first avoidance groove, and the first clamping block is used for clamping with the first clamping groove.

[0013] The first engaging block has a first inclined surface on one side facing away from the first end, and the first engaging slot has a second inclined surface on one side facing the first end. The first inclined surface and the second inclined surface are slidably matched to guide the first engaging block to the first engaging slot.

[0014] Wherein, the first connecting portion and the second connecting portion are connected by an interference fit.

[0015] Wherein, a first limiting and guiding portion is provided on the outer wall of the first housing, and a second limiting and guiding portion is provided on the inner wall of the second mounting cavity of the second housing. The first limiting and guiding portion and the second limiting and guiding portion are used to guide the insertion.

[0016] Wherein, the first limiting and guiding portion includes a first strip-shaped protrusion protruding from the outer wall of the first housing, and the second limiting and guiding portion is a first guiding groove on the inner wall of the second mounting cavity. The position of the first strip-shaped protrusion corresponds to that of the first guiding groove. During the process of the first housing entering the second mounting cavity of the second housing, the first strip-shaped protrusion slides in the first guiding groove, and when reaching the end of the stroke, the end of the first strip-shaped protrusion close to the second end abuts against the inner wall of the first guiding groove; the first strip-shaped protrusion and the first guiding groove cooperate and abut to limit the position and depth of the first housing inserted into the second mounting cavity of the second housing; or the first limiting and guiding portion includes a first guiding groove recessed in the outer wall of the first housing, and the second limiting and guiding portion is a first strip-shaped protrusion protruding from the inner wall of the second mounting cavity. The position of the first strip-shaped protrusion corresponds to that of the first guiding groove. During the process of the first housing entering the second mounting cavity of the second housing, the first strip-shaped protrusion slides in the first guiding groove, and when reaching the end of the stroke, the end of the first strip-shaped protrusion close to the first end abuts against the inner wall of the first guiding groove; the first strip-shaped protrusion and the first guiding groove cooperate and abut to limit the position and depth of the first housing inserted into the second mounting cavity of the second housing.

[0017] Wherein, a first fitting portion is provided on the first housing, and the first fitting portion is provided at a position of the first housing close to the first insertion end. The first fitting portion is used for assembling and fixing the first cable plug.

[0018] Wherein, the first fitting portion is a first mounting hole, and there are two first mounting holes which are oppositely arranged on two opposite inner walls of the first insertion cavity.

[0019] Wherein, the second adapter body includes a fourth housing and a fifth housing. A fourth mounting cavity is formed in the fourth housing, and the fourth mounting cavity is used to accommodate the fifth housing. A second insertion cavity is formed in the fifth housing, and the fourth housing and the fifth housing are detachably / snap-connected.

[0020] Wherein, the fifth housing includes a second insertion end and a second coupling end connected to the second insertion end, and the fourth housing includes a second receiving end and a second connecting end connected to the second receiving end. The second insertion end and the second receiving end correspond to the third end, and the second coupling end and the second connecting end correspond to the fourth end. The second connecting end is used to be detachably / snap-connected to the first adapter body.

[0021] Among them, a third connecting part is arranged on the outer wall of the fifth shell, a fourth connecting part is arranged on the inner wall of the fourth installation cavity of the fourth shell, and the fourth shell and the fifth shell are detachably / snap-connected via the third connecting part and the fourth connecting part.

[0022] Among them, the third connecting part includes a second elastic member protruding from the outer wall of the fifth shell, and the fourth connecting part is a second slot recessed into the inner wall of the fourth mounting cavity, the position of the second elastic member corresponds to the second slot, and in the process of the fifth shell entering the fourth mounting cavity of the fourth shell, the second elastic member is firstly compressed and deformed by the inner wall of the fourth mounting cavity of the fourth shell, and when reaching the end of the stroke, the second elastic member reaches the position of the second slot and elastically recovers, and then at least partially enters the second slot; or the third connecting part includes a second slot recessed into the outer wall of the fifth shell, and the fourth connecting part is a second elastic member protruding from the inner wall of the fourth mounting cavity, the position of the second elastic member corresponds to the second slot, and in the process of the fifth shell entering the fourth mounting cavity of the fourth shell, the second elastic member is firstly compressed and deformed by the outer wall of the fifth shell, and when reaching the end of the stroke, the second elastic member reaches the position of the second slot and elastically recovers, and then at least partially enters the second slot.

[0023] Among them, the outer wall of the fifth shell / inner wall of the fourth installation cavity corresponding to the second elastic member has a second avoidance groove, and the second elastic member is a second elastic arm extending from one end of the second avoidance groove in a direction close to the third end or away from the third end. When the second elastic arm is not pressed, at least one side of the second avoidance groove bottom surface protrudes from the outer wall of the fifth shell / inner wall of the fourth installation cavity, and is spaced apart from the bottom of the second avoidance groove, and sinks into the second avoidance groove when pressed.

[0024] Wherein, a second clamping block is arranged on the surface of the second elastic arm away from the bottom surface of the second avoidance groove, and the second clamping block is used for clamping with the second clamping groove.

[0025] The side surface of the second clamping block away from the third end is a third inclined surface, and the side of the second clamping slot facing the third end is provided with a fourth inclined surface, and the third inclined surface and the fourth inclined surface are slidably matched to guide the second clamping block to the second clamping slot.

[0026] Wherein, the third connecting portion and the fourth connecting portion are connected by interference fit.

[0027] The fifth shell has the same structure as the first shell.

[0028] Among them, a third limiting guide part is arranged on the outer wall of the fifth shell, and a fourth limiting guide part is arranged on the inner wall of the fourth installation cavity of the fourth shell. The third limiting guide part and the fourth limiting guide part are used for guiding the insertion.

[0029] Among them, the third limiting and guiding portion includes a second strip-shaped protrusion protruding from the outer wall of the fifth housing, and the fourth limiting and guiding portion is a second guiding groove on the inner wall of the fourth installation cavity. The position of the second strip-shaped protrusion corresponds to that of the second guiding groove. During the process of the fifth housing entering the fourth installation cavity of the fourth housing, the second strip-shaped protrusion slides in the second guiding groove, and when reaching the end of the stroke, the end of the second strip-shaped protrusion facing away from the third end abuts against the inner wall of the second guiding groove; the second strip-shaped protrusion and the second guiding groove cooperate and abut to limit the position and depth of the fifth housing inserted into the fourth installation cavity of the fourth housing; or the third limiting and guiding portion includes a second guiding groove recessed in the outer wall of the fifth housing, and the fourth limiting and guiding portion is a second strip-shaped protrusion protruding from the inner wall of the fourth installation cavity. The position of the second strip-shaped protrusion corresponds to that of the second guiding groove. During the process of the fifth housing entering the fourth installation cavity of the fourth housing, the second strip-shaped protrusion slides in the second guiding groove, and when reaching the end of the stroke, the end of the second strip-shaped protrusion facing the third end abuts against the inner wall of the second guiding groove; the second strip-shaped protrusion and the second guiding groove cooperate and abut to limit the position and depth of the fifth housing inserted into the second installation cavity of the fourth housing.

[0030] Among them, a second matching portion is provided on the fifth housing. The second matching portion is arranged at a position of the fifth housing close to the second insertion end, and the second matching portion is used for assembling and fixing the second cable plug.

[0031] Among them, the second matching portion is a second installation hole. There are two second installation holes, which are oppositely arranged on two opposite inner walls of the second insertion cavity.

[0032] Among them, a fifth connecting portion is provided on the inner wall of the fourth installation cavity of the fourth housing, and a sixth connecting portion is provided on the outer wall of the second housing. The fourth housing and the second housing are detachably / coupled through the fifth connecting portion and the sixth connecting portion.

[0033] Among them, the fifth connecting portion includes a third elastic member protruding from the inner wall of the fourth installation cavity, and the sixth connecting portion is a third card slot recessed in the outer wall of the second housing. The position of the third elastic member corresponds to that of the third card slot. During the process of the second housing entering the fourth installation cavity of the fourth housing, the third elastic member is first pressed and deformed by the outer wall of the second housing. When reaching the end of the stroke, the third elastic member reaches the position of the third card slot and elastically returns, and then at least partially enters the third card slot; or the fifth connecting portion includes a third card slot recessed in the inner wall of the fourth installation cavity, and the sixth connecting portion is a third elastic member protruding from the outer wall of the second housing. The position of the third elastic member corresponds to that of the third card slot. During the process of the second housing entering the fourth installation cavity of the fourth housing, the third elastic member is first pressed and deformed by the outer wall of the second housing. When reaching the end of the stroke, the third elastic member reaches the position of the third card slot and elastically returns, and then at least partially enters the third card slot.

[0034] Among them, the outer wall of the second shell / inner wall of the fourth installation cavity corresponding to the third elastic member has a third avoidance groove, and the third elastic member is a third elastic arm extending from one end of the third avoidance groove along the insertion direction or away from the insertion direction. When the third elastic arm is not pressed, at least one side of the bottom surface of the third avoidance groove protrudes from the outer wall of the second shell / inner wall of the fourth installation cavity, and is spaced apart from the bottom of the third avoidance groove, and sinks into the third avoidance groove when pressed.

[0035] Wherein, a third clamping block is arranged on the surface of the third elastic arm away from the bottom surface of the third avoidance groove, and the third clamping block is used for clamping with the third clamping groove.

[0036] Among them, one side surface of the third clamping block facing the first end or the third end is a fifth inclined surface, and the side surface of the third clamping slot facing away from the third end or the first end is provided with a sixth inclined surface. The fifth inclined surface and the sixth inclined surface are slidably matched, so as to guide the third clamping block to the third clamping slot during the process of the second shell entering the fourth installation cavity of the fourth shell; or to make the third clamping block detach from the third clamping slot during the process of the second shell detaching from the fourth installation cavity of the fourth shell.

[0037] Wherein, the fifth connecting portion and the sixth connecting portion are connected by interference fit.

[0038] Among them, a fifth limiting guide part is arranged on the outer wall of the second shell, and a sixth limiting guide part is arranged on the inner wall of the fourth installation cavity of the fourth shell. The fifth limiting guide part and the sixth limiting guide part are used for guiding the insertion.

[0039] Among them, the fifth limiting guide portion includes a third strip protrusion protruding from the outer wall of the second shell, and the sixth limiting guide portion is a third guide groove recessed in the inner wall of the fourth mounting cavity. The position of the third strip protrusion corresponds to the third guide groove. In the process of the second shell entering the fourth mounting cavity of the fourth shell, the third strip protrusion slides in the third guide groove, and when reaching the end of the stroke, the end of the third strip protrusion away from the third end abuts against the inner wall of the third guide groove; the third strip protrusion cooperates with the third guide groove to abut to limit the position and depth of the second shell inserted into the fourth mounting cavity of the fourth shell.

[0040] Wherein, an installation space is formed between the side wall of the third avoidance groove and the side wall of the adjacent third elastic arm, and the installation space serves as the third guide groove.

[0041] Among them, the fifth limiting guide portion includes a third guide groove recessed in the outer wall of the second shell, and the sixth limiting guide portion is a third strip protrusion protruding from the inner wall of the fourth mounting cavity. The position of the third strip protrusion corresponds to the third guide groove. In the process of the second shell entering the fourth mounting cavity of the fourth shell, the third strip protrusion slides in the third guide groove. When reaching the end of the stroke, the end of the third strip protrusion away from the insertion direction abuts against the inner wall of the third guide groove; the third strip protrusion cooperates with the third guide groove to abut to limit the position and depth of the second shell inserted into the fourth mounting cavity of the fourth shell.

[0042] In which, the first connecting end of the second shell is connected to a shielding assembly, the shielding assembly is rotatably connected to the second shell, and the shielding assembly can at least selectively be in a first state of shielding the opening of the second installation cavity corresponding to the first connecting end, and in a second state of opening the opening of the second installation cavity corresponding to the first connecting end.

[0043] Among them, the shielding assembly includes a shielding plate, a torsion spring and a rotating shaft. The shielding plate is rotatably connected to the first connecting end of the second shell through the rotating shaft. The torsion spring is sleeved on the rotating shaft. One end of the torsion spring presses against the shielding plate, and the other end presses against the second shell, and the shielding plate is in the first state when the shielding plate is not subjected to external force.

[0044] Among them, a force-bearing protrusion is provided on one side of the shielding plate adjacent to the end of the first connecting end, and the force-bearing protrusion protrudes out of the outer wall of the second shell in the first state. During the process of inserting the second shell into the fourth installation cavity of the fourth shell, the end of the second connecting end of the fourth shell pushes the force-bearing protrusion, and the force-bearing protrusion is used to drive the shielding plate to rotate along the rotating axis, so that the shielding plate is in the second state of opening the second installation cavity corresponding to the opening of the first connecting end.

[0045] The first adapter body further includes a third shell, a third installation cavity is formed in the third shell, the third installation cavity is used to accommodate the second shell, and the third shell is detachably / snap-connected to the second shell.

[0046] The third shell includes a third insertion end and a third connection end connected to the third insertion end, the third insertion end corresponds to the first end, the third connection end corresponds to the second end, and the third connection end is used for detachable connection with the second adapter body.

[0047] Among them, a seventh connecting part is arranged on the outer wall of the second shell, an eighth connecting part is arranged on the inner wall of the third installation cavity of the third shell, and the second shell and the third shell are detachably connected through the seventh connecting part and the eighth connecting part.

[0048] Among them, the seventh connecting part includes a fourth elastic member protruding from the outer wall of the second shell, the eighth connecting part is a fourth slot recessed into the inner wall of the third mounting cavity, the position of the fourth elastic member corresponds to the fourth slot, and in the process of the second shell entering the third mounting cavity of the third shell, the fourth elastic member is first compressed and deformed by the inner wall of the third mounting cavity of the third shell, and when reaching the end of the stroke, the fourth elastic member reaches the position of the fourth slot and elastically recovers, and then at least partially enters the fourth slot.

[0049] Among them, the seventh connecting part includes a fourth card slot recessed into the outer wall of the second shell, the eighth connecting part is a fourth elastic member protruding from the inner wall of the third mounting cavity, the position of the fourth elastic member corresponds to the fourth card slot, and in the process of the second shell entering the third mounting cavity of the third shell, the fourth elastic member is first compressed and deformed by the outer wall of the second shell, and when reaching the end of the stroke, the fourth elastic member reaches the position of the fourth card slot and elastically recovers, and then at least partially enters the fourth card slot.

[0050] The first card slot is arranged on the side wall of the second shell, and is a through slot penetrating the inner wall surface and the outer wall surface of the second shell. The part of the through slot arranged on the outer wall surface of the second shell is used as the fourth card slot.

[0051] Among them, the outer wall of the second shell / inner wall of the third installation cavity corresponding to the fourth elastic member has a fourth avoidance groove, and the fourth elastic member is a fourth elastic arm extending from one end of the fourth avoidance groove in a direction close to the first end or away from the first end. When the fourth elastic arm is not pressed, at least one side of the bottom surface of the fourth avoidance groove protrudes from the outer wall of the second shell / inner wall of the third installation cavity, and is spaced apart from the bottom of the fourth avoidance groove, and sinks into the fourth avoidance groove when pressed.

[0052] Wherein, a fourth clamping block is arranged on the surface of the fourth elastic arm away from the bottom surface of the fourth avoidance groove, and the fourth clamping block is used for clamping with the fourth clamping groove.

[0053] Among them, the side surface of the fourth clamping block away from the first end is the seventh inclined surface, and the side of the first clamping slot facing the first end is provided with an eighth inclined surface. The seventh inclined surface and the eighth inclined surface are slidably matched to guide the fourth clamping block to the fourth clamping slot.

[0054] Wherein, the seventh connecting member and the eighth connecting portion are connected by interference fit.

[0055] Among them, a seventh limiting guide part is arranged on the outer wall of the second shell, and an eighth limiting guide part is arranged on the inner wall of the third installation cavity of the third shell, and the seventh limiting guide part and the eighth limiting guide part are plugged correspondingly.

[0056] Among them, the seventh limiting guide portion includes a fourth strip protrusion protruding from the outer wall of the second shell, the eighth limiting guide portion is a fourth guide groove on the inner wall of the third installation cavity, the position of the fourth strip protrusion corresponds to the fourth guide groove, and in the process of the second shell entering the third installation cavity of the third shell, the fourth strip protrusion slides in the fourth guide groove, and when reaching the end of the stroke, the end of the fourth strip protrusion close to the first end abuts against the inner wall of the fourth guide groove; the fourth strip protrusion cooperates with the fourth guide groove to abut to limit the position and depth of the second shell inserted into the third installation cavity of the third shell; Or the seventh limiting guide portion includes a fourth guide groove recessed into the outer wall of the second shell body, the second limiting guide portion is a fourth strip protrusion protruding from the inner wall of the third mounting cavity, the position of the fourth strip protrusion corresponds to the fourth guide groove, and in the process of the second shell body entering the third mounting cavity of the third shell body, the fourth strip protrusion slides in the fourth guide groove, and when reaching the end of the stroke, the end of the fourth strip protrusion away from the first end abuts against the inner wall of the fourth guide groove; the fourth strip protrusion cooperates with the fourth guide groove to abut to limit the position and depth of the second shell body inserted into the second mounting cavity of the third shell body.

[0057] Among them, the length of the third shell along the insertion direction is smaller than the length of the second shell, the part of the second shell close to the second end is exposed to the outside of the third shell, the second shell is inserted into the fourth installation cavity, the outer wall of the second shell is lower than the outer wall of the fourth shell, and a low-lying area on one side of the outer wall of the second shell is formed, the low-lying area of the second shell is installed in the third shell, and the outer wall of the third shell is flush with the outer wall of the fourth shell.

[0058] A positioning component is provided on the end surface of the connecting end of the first shell, and the positioning component is used to connect with an alignment component provided on the second adapter body.

[0059] Among them, the positioning component includes a positioning column, the alignment component includes a positioning hole, and the positioning column is inserted into the positioning hole; or the positioning component includes a positioning hole, the alignment component includes a positioning column, and the positioning column is inserted into the positioning hole; or the positioning component includes a first positioning hole and a first positioning column, the alignment component includes a second positioning column and a second positioning hole, the first positioning column is inserted into the second positioning hole, and the second positioning column is inserted into the first positioning hole.

[0060] The first plug-in cavity and / or the second plug-in cavity are used to directly plug and mate with the circuit board of the first cable plug.

[0061] In order to solve the above technical problems, the second technical solution adopted by the present invention is: to provide a cable adapter, the cable adapter comprising: a first adapter body, the first adapter body comprising a first end and a second end connected to the first end, the first adapter body having a first plug-in cavity passing through the first end and the second end, the first plug-in cavity being used to insert a first cable plug; wherein the first adapter body is used to be detachably / snap-on connected to a second adapter body into which a second cable plug is inserted.

[0062] Among them, the first adapter body includes a first housing and a second housing. A second installation cavity is formed in the second housing, and the second installation cavity is used to accommodate the first housing. A first insertion cavity is formed in the first housing, and the first housing and the second housing are detachably / clip-connected.

[0063] Among them, the first housing includes a first insertion end and a first coupling end connected to the first insertion end. The second housing includes a first receiving end and a first connection end connected to the first receiving end. The first insertion end and the first receiving end correspond to the first end, the first coupling end and the first connection end correspond to the second end, and the first connection end is used to be detachably / clip-connected to the second adapter body.

[0064] Among them, a first connection portion is provided on the outer wall of the first housing, and a second connection portion is provided on the inner wall of the second installation cavity of the second housing. The second housing and the first housing are detachably / clip-connected through the first connection portion and the second connection portion.

[0065] Among them, the first connection portion includes a first elastic member protruding from the outer wall of the first housing, and the second connection portion is a first card slot on the inner wall of the second installation cavity. The position of the first elastic member corresponds to that of the first card slot. During the process of the first housing entering the second installation cavity of the second housing, the first elastic member is first pressed and deformed by the inner wall of the second installation cavity of the second housing. When reaching the end of the stroke, the first elastic member reaches the position of the first card slot and elastically returns, and then at least partially enters the first card slot; or the first connection portion includes a first card slot recessed in the outer wall of the first housing, and the second connection portion is a first elastic member on the inner wall of the second installation cavity. The position of the first elastic member corresponds to that of the first card slot. During the process of the first housing entering the second installation cavity of the second housing, the first elastic member is first pressed and deformed by the outer wall of the first housing. When reaching the end of the stroke, the first elastic member reaches the position of the first card slot and elastically returns, and then at least partially enters the first card slot.

[0066] To solve the above technical problems, the third technical solution adopted by the present invention is: to provide a cable adapter, which includes: a second adapter body, the second adapter body includes a third end and a fourth end connected to the first end. The second adapter body has a second insertion cavity penetrating the third end and the fourth end, and the second insertion cavity is used to insert a second cable plug to achieve optical coupling with the first cable plug; among them, the second adapter body is used to be detachably / clip-connected to the first adapter body into which the first cable plug is inserted.

[0067] Among them, the second adapter body includes a fourth housing and a fifth housing. A fourth installation cavity is formed in the fourth housing, and the fourth installation cavity is used to accommodate the fifth housing. A second insertion cavity is formed in the fifth housing, and the fourth housing and the fifth housing are detachably / clip-connected.

[0068] Wherein, a third connection part is provided on the outer wall of the fifth housing, and a fourth connection part is provided on the inner wall of the fourth installation cavity of the fourth housing. The fourth housing and the fifth housing are detachably / snap-connected through the third connection part and the fourth connection part.

[0069] Wherein, the third connection part includes a second elastic member protruding from the outer wall of the fifth housing, and the fourth connection part is a second card slot recessed in the inner wall of the fourth installation cavity. The position of the second elastic member corresponds to that of the second card slot. During the process of the fifth housing entering the fourth installation cavity of the fourth housing, the second elastic member is first pressed and deformed by the inner wall of the fourth installation cavity of the fourth housing. When reaching the end of the stroke, the second elastic member reaches the position of the second card slot and elastically returns, and then at least partially enters the second card slot; or the third connection part includes a second card slot recessed in the outer wall of the fifth housing, and the fourth connection part is a second elastic member protruding from the inner wall of the fourth installation cavity. The position of the second elastic member corresponds to that of the second card slot. During the process of the fifth housing entering the fourth installation cavity of the fourth housing, the second elastic member is first pressed and deformed by the outer wall of the fifth housing. When reaching the end of the stroke, the second elastic member reaches the position of the second card slot and elastically returns, and then at least partially enters the second card slot.

[0070] The beneficial effect of the present invention is: different from the prior art, a cable adapter is provided. The cable adapter includes: a first adapter body, the first adapter body includes a first end and a second end connected to the first end. The first adapter body has a first insertion cavity penetrating through the first end and the second end, and the first insertion cavity is used for inserting a first cable plug; a second adapter body, the second adapter body includes a third end and a fourth end connected to the third end. The second adapter body has a second insertion cavity penetrating through the third end and the fourth end, and the second insertion cavity is used for inserting a second cable plug to achieve optical coupling with the first cable plug; wherein, the second adapter body is detachably / snap-connected to the first adapter body. The cable adapter provided by the present invention makes the installation and disassembly of the cable adapter more convenient, has a simple structure and is easy to implement by detachably or snap-connecting between the first adapter body and the second adapter body. Description of the Drawings

[0071] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0072] Figure 1 It is a schematic structural diagram of an embodiment of the cable adapter provided by the present invention;

[0073] Figure 2 It is a schematic cross-sectional view of an embodiment of the cable adapter provided by the present invention;

[0074] Figure 3 A cross-sectional view of the cable adapter provided by the present invention;

[0075] Figure 4 A schematic cross-sectional view of an embodiment of the first adapter body provided by the present invention;

[0076] Figure 5 A schematic cross-sectional view of an embodiment of the second adapter body provided by the present invention;

[0077] Figure 6 A schematic structural view of an embodiment of the first housing provided by the present invention;

[0078] Figure 7 A schematic structural view of an embodiment of the second housing provided by the present invention;

[0079] Figure 8 A schematic structural view of an embodiment of the third housing provided by the present invention;

[0080] Figure 9 A schematic structural view of an embodiment of the fifth housing provided by the present invention;

[0081] Figure 10 A schematic structural view of an embodiment of the fourth housing provided by the present invention;

[0082] Figure 11 A schematic cross-sectional view of an embodiment of the cable adapter for installing the fifth housing provided by the present invention;

[0083] Figure 12 A schematic structural view of an embodiment of the shielding plate provided by the present invention. Detailed implementation manners

[0084] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0085] Please refer to Figures 1 to 5 , Figure 1 A schematic structural view of an embodiment of the cable adapter provided by the present invention; Figure 2 A schematic cross-sectional view of an embodiment of the cable adapter provided by the present invention; Figure 3 A cross-sectional view of the cable adapter provided by the present invention; Figure 4 A schematic cross-sectional view of an embodiment of the first adapter body provided by the present invention; Figure 5Schematic cross-sectional view of an embodiment of the second adapter body provided by the present invention. In this embodiment, a cable adapter 100 is provided, which includes a first adapter body 1 and a second adapter body 2. The first adapter body 1 and the second adapter body 2 are detachably or snap-connected. Among them, the first adapter body 1 includes a first end 11 and a second end 12 connected to the first end 11. The first adapter body 1 has a first insertion cavity 13 that penetrates the first end 11 and the second end 12, and the first insertion cavity 13 is used for inserting a first cable plug. The second adapter body 2 includes a third end 21 and a fourth end 22 connected to the third end 21. The second adapter body 2 has a second insertion cavity 23 that penetrates the third end 21 and the fourth end 22, and the second insertion cavity 23 is used for inserting a second cable plug to achieve optical coupling with the first cable plug.

[0086] A sixth connection part 52 is arranged on the first adapter body 1, and a fifth connection part 51 is arranged on the second adapter body 2. The first adapter body 1 and the second adapter body 2 are detachably or snap-connected through the sixth connection part 52 and the fifth connection part 51.

[0087] In this embodiment, the sixth connection part 52 includes a card slot component on the first adapter body 1, and the fifth connection part 51 includes a clamping component on the second adapter body 2. The position of the clamping component corresponds to that of the card slot component. When the first adapter body 1 and the second adapter body 2 are assembled, the clamping component is snapped into the card slot component. When the first adapter body 1 is separated from the second adapter body 2, the clamping component is separated from the card slot component.

[0088] In another alternative embodiment, the sixth connection part 52 includes a clamping component on the first adapter body 1, and the fifth connection part 51 includes a card slot component on the second adapter body 2. The position of the clamping component corresponds to that of the card slot component. When the first adapter body 1 and the second adapter body 2 are assembled, the clamping component is snapped into the card slot component. When the first adapter body 1 is separated from the second adapter body 2, the clamping component is separated from the card slot component.

[0089] Please refer to Figure 3 、 Figure 6 and Figure 7 , Figure 6 Schematic structural view of an embodiment of the first housing provided by the present invention; Figure 7Schematic diagram of a structure of a second housing according to an embodiment of the present invention. In a specific embodiment, the first adapter body 1 includes a first housing 15 and a second housing 16. A second installation cavity 163 is formed in the second housing 16 for accommodating the first housing 15. A first insertion cavity 13 is formed in the first housing 15. The first housing 15 and the second housing 16 are detachably / snap-connected. In this embodiment, the cross-sections of the first housing 15 and the second installation cavity 163 of the second housing 16 are both rectangular, and the size of the cross-section of the first housing 15 is smaller than that of the cross-section of the second installation cavity 163. Herein, the shapes of the cross-sections of the first housing 15 and the second installation cavity 163 of the second housing 16 are not limited as long as the first housing 15 can be installed in the second installation cavity 163 of the second housing 16.

[0090] In this embodiment, the first housing 15 includes a first insertion end 151 and a first coupling end 152 connected to the first insertion end 151. The second housing 16 includes a first receiving end 161 and a first connecting end 162 connected to the first receiving end 161. The first insertion end 151 and the first receiving end 161 correspond to the first end 11, and the first coupling end 152 and the first connecting end 162 correspond to the second end 12. The first connecting end 162 is used for detachably / snap-connecting with the second adapter body 2.

[0091] A first connecting portion 31 is provided on the outer wall of the first housing 15, and a second connecting portion 32 is provided on the inner wall of the second installation cavity 163 of the second housing 16. The second housing 16 and the first housing 15 are detachably / snap-connected through the first connecting portion 31 and the second connecting portion 32. Among them, the second housing 16 and the first housing 15 are detachably connected through the first connecting portion 31 and the second connecting portion 32; or the first housing 15 and the second housing 16 are connected through the first connecting portion 31 and the second connecting portion 32 by snap.

[0092] In an alternative embodiment, the first connecting portion 31 and the second connecting portion 32 are detachably connected to each other by a locking connection to achieve the detachable connection between the first housing 15 and the second housing 16. Among them, the first connecting portion 31 is at least one, and the number of the second connecting portions 32 is the same as that of the first connecting portion 31. In this embodiment, the numbers of the second connecting portions 32 and the second connecting portions 32 are four respectively. The four first connecting portions 31 are respectively provided on two opposite outer walls of the first housing 15, and the four second connecting portions 32 are respectively provided on two opposite inner walls of the second installation cavity 163. In an alternative specific embodiment, when the first connecting portion 31 is at least two, at least one first connecting portion 31 and at least one second connecting portion 32 are provided on the outer wall of the first housing 15, and a second connecting portion 32 matching the above-mentioned first connecting portion 31 and a first connecting portion 31 matching the above-mentioned second connecting portion 32 are provided on the inner wall of the second housing 16.

[0093] In a specific embodiment, the first connecting portion 31 includes a first elastic member 311 protruding from the outer wall of the first housing 15, and the second connecting portion 32 is a first card slot 321 on the inner wall of the second installation cavity 163. The position of the first elastic member 311 corresponds to that of the first card slot 321. During the process of the first housing 15 entering the second installation cavity 163 of the second housing 16, the first elastic member 311 is first pressed and deformed by the inner wall of the second installation cavity 163 of the second housing 16. When reaching the end of the stroke, the first elastic member 311 reaches the position of the first card slot 321 and elastically returns, and then at least partially enters the first card slot 321.

[0094] In another specific embodiment, the first connecting portion 31 includes a first card slot 321 recessed in the outer wall of the first housing 15, and the second connecting portion 32 is a first elastic member 311 on the inner wall of the second installation cavity 163. The position of the first elastic member 311 corresponds to that of the first card slot 321. During the process of the first housing 15 entering the second installation cavity 163 of the second housing 16, the first elastic member 311 is first pressed and deformed by the outer wall of the first housing 15. When reaching the end of the stroke, the first elastic member 311 reaches the position of the first card slot 321 and elastically returns, and then at least partially enters the first card slot 321.

[0095] In this embodiment, the outer wall of the first housing 15 or the inner wall of the second installation cavity 163 corresponding to the first elastic member 311 has a first relief groove 312. The first elastic member 311 is a first elastic arm 313 extending from one end of the first relief groove 312 along the direction close to the first end 11 or along the direction away from the first end 11 towards the second end 12. When not pressed, at least a part of the first elastic arm 313 protruding from the bottom surface of the first relief groove 312 protrudes from the outer wall of the first housing 15 / the inner wall of the second installation cavity 163, and is spaced from the bottom of the first relief groove 312. When pressed, it sinks into the first relief groove 312.

[0096] In an alternative embodiment, a first clamping block 314 is provided on the surface of the first elastic arm 313 facing away from the bottom surface of the first relief groove 312. The first clamping block 314 is used for clamping with the first card slot 321. One side surface of the first clamping block 314 facing away from the first end 11 is a first inclined surface 315, and a second inclined surface 322 is provided on one side of the first card slot 321 facing the first end 11. The first inclined surface 315 and the second inclined surface 322 can approach and fit, and can relatively slide in cooperation to guide the first clamping block 314 to the first card slot 321.

[0097] In an alternative embodiment, the surface of the first snap block 314 facing the first end 11 is also a bevel structure. When disassembling the first housing 15 and the second housing 16, the surface of the first snap block 314 facing the first end 11 slides along the inner wall surface of the first slot 321 near the first end 11, facilitating the detachment of the first snap block 314 from the first slot 321. In a preferred embodiment, the bevel of the surface of the first snap block 314 facing the first end 11 is symmetrically arranged with the first bevel 315.

[0098] In another alternative embodiment, the first connecting portion 31 and the second connecting portion 32 are detachably connected to the first housing 15 and the second housing 16 by an interference fit.

[0099] In a specific embodiment, the first connecting portion 31 includes a first elastic arm 313 disposed on the outer wall of the first housing 15. The surface of the first elastic arm 313 away from the first avoidance groove 312 is higher than the outer wall surface of the first housing 15 where the first avoidance groove 312 is provided. The second connecting portion 32 is the inner wall surface of the second installation cavity 163. When the first housing 15 enters the second installation cavity 163 of the second housing 16, the first elastic arm 313 is pressed and deformed by the inner wall surface of the second installation cavity 163, and at least part of the first elastic arm 313 sinks into the first avoidance groove 312 when being pressed. When the first housing 15 is removed from the fourth installation cavity 253 of the second housing 16, the first elastic arm 313 elastically returns.

[0100] In another alternative embodiment, the second connecting portion 32 includes the outer wall surface of the first housing 15; the second connecting portion 32 includes a first elastic arm 313 disposed on the inner wall of the second installation cavity 163. The surface of the first elastic arm 313 away from the first avoidance groove 312 is higher than the inner wall surface of the second installation cavity 163 where the first avoidance groove 312 is provided. When the first housing 15 enters the second installation cavity 163 of the second housing 16, the first elastic arm 313 is pressed and deformed by the inner wall surface of the second installation cavity 163, and at least part of the first elastic arm 313 sinks into the first avoidance groove 312 when being pressed. When the first housing 15 is removed from the fourth installation cavity 253 of the second housing 16, the first elastic arm 313 elastically returns.

[0101] A first limiting and guiding portion 33 is provided on the outer wall of the first housing 15, and a second limiting and guiding portion 34 is provided on the inner wall of the second installation cavity 163 of the second housing 16. The first limiting and guiding portion 33 and the second limiting and guiding portion 34 are used for guiding the insertion.

[0102] Among them, there is at least one first limit guiding part 33, and the number of the second limit guiding parts 34 is the same as that of the first limit guiding parts 33. In this embodiment, the numbers of the second limit guiding parts 34 and the second limit guiding parts 34 are both two. The two first limit guiding parts 33 are respectively arranged on two opposite outer walls of the first housing 15, and the two second limit guiding parts 34 are respectively arranged on two opposite inner walls of the second installation cavity 163. In an optional specific embodiment, at least one first limit guiding part 33 and at least one second limit guiding part 34 are arranged on the outer wall of the first housing 15, and a second limit guiding part 34 matching the above first limit guiding part 33 and a first limit guiding part 33 matching the above second limit guiding part 34 are arranged on the inner wall of the second housing 16.

[0103] The first limit guiding part 33 includes a first strip-shaped protrusion (not shown) protruding from the outer wall of the first housing 15, and the second limit guiding part 34 is a first guiding groove (not shown) on the inner wall of the second installation cavity 163. The position of the first strip-shaped protrusion corresponds to that of the first guiding groove. During the process of the first housing 15 entering the second installation cavity 163 of the second housing 16, the first strip-shaped protrusion slides in the first guiding groove, and when reaching the end of the stroke, the end of the first strip-shaped protrusion close to the second end 12 abuts against the inner wall of the first guiding groove; the first strip-shaped protrusion and the first guiding groove cooperate and abut to limit the position and depth of the first housing 15 inserted into the second installation cavity 163 of the second housing 16; or the first limit guiding part 33 includes a first guiding groove recessed in the outer wall of the first housing 15, and the second limit guiding part 34 is a first strip-shaped protrusion protruding from the inner wall of the second installation cavity 163. The position of the first strip-shaped protrusion corresponds to that of the first guiding groove. During the process of the first housing 15 entering the second installation cavity 163 of the second housing 16, the first strip-shaped protrusion slides in the first guiding groove, and when reaching the end of the stroke, the end of the first strip-shaped protrusion close to the first end 11 abuts against the inner wall of the first guiding groove; the first strip-shaped protrusion and the first guiding groove cooperate and abut to limit the position and depth of the first housing 15 inserted into the second installation cavity 163 of the second housing 16. Specifically, the first strip-shaped protrusion and the first guiding groove are used to limit the position of the first housing 15 inserted and installed into the second installation cavity 163 of the second housing 16, and at the same time limit the depth of the first housing 15 inserted into the second installation cavity 163. In this embodiment, the first strip-shaped protrusion and the first guiding groove are matched and inserted, so that the central axis of the first housing 15 coincides with the central axis of the second installation cavity 163, that is, the central axis of the first housing 15, the central axis of the second installation cavity 163 and the central axis L of the cable adapter 100 coincide. The first strip-shaped protrusion and the first guiding groove are matched and abutted, so that the first insertion end 151 of the first housing 15 is flush with the first receiving end 161 of the second housing 16.

[0104] A first mating portion 35 is provided on the first housing 15. The first mating portion 35 is disposed at a position of the first housing 15 close to the first insertion end 151 and is used for assembling and fixing the first cable plug. In an alternative embodiment, the first cable plug is in mating connection with the first insertion cavity 13, and the first mating portion 35 is the inner wall of the first insertion cavity 13. The outer wall of the first cable plug is connected to the inner wall of the first insertion cavity 13 by an interference fit. In a specific embodiment, the size of the first cable plug is slightly larger than the size of the inner wall of the first insertion cavity 13. In this embodiment, the first mating portion 35 is a first mounting hole, and at least one first mounting hole corresponds to one first insertion cavity 13. In this embodiment, the number of the first insertion cavities 13 is six and they are arranged in parallel, and the number of the first mounting holes is two and they are respectively disposed on two oppositely arranged inner walls of the first insertion cavity 13. In a preferred embodiment, the connection line of the two first mounting holes corresponding to one first insertion cavity 13 is perpendicular to the arrangement direction of the six first insertion cavities 13.

[0105] Optionally, the first housing 15 and the second housing 16 can also be integrally formed.

[0106] Please refer to Figure 5 、 Figure 9 and Figure 10 , Figure 9 which is a schematic structural diagram of an embodiment of the fifth housing provided by the present invention; Figure 10 which is a schematic structural diagram of an embodiment of the fourth housing provided by the present invention. The second adapter body 2 includes a fourth housing 25 and a fifth housing 26. A fourth installation cavity 253 is formed in the fourth housing 25, and the fourth installation cavity 253 is used for accommodating the fifth housing 26. A second insertion cavity 23 is formed in the fifth housing 26. The fourth housing 25 and the fifth housing 26 are detachably / snap-connectable.

[0107] Wherein, the fifth housing 26 includes a second insertion end 261 and a second coupling end 262 connected to the second insertion end 261. The fourth housing 25 includes a second receiving end 251 and a second connection end 252 connected to the second receiving end 251. The second insertion end 261 and the second receiving end 251 correspond to the third end 21, and the second coupling end 262 and the second connection end 252 correspond to the fourth end 22. The second connection end 252 is used for detachably / snap-connecting with the first adapter body 1.

[0108] Among them, a third connection part 41 is arranged on the outer wall of the fifth housing 26, and a fourth connection part 42 is arranged on the inner wall of the fourth installation cavity 253 of the fourth housing 25. The fourth housing 25 and the fifth housing 26 are detachably / snap-connected through the third connection part 41 and the fourth connection part 42. Among them, the fourth housing 25 and the fifth housing 26 are detachably connected through the third connection part 41 and the fourth connection part 42; or the fifth housing 26 and the fourth housing 25 are connected through the third connection part 41 and the fourth connection part 42 by snap connection.

[0109] In an alternative embodiment, the third connection part 41 and the fourth connection part 42 are detachably connected to the fifth housing 26 and the fourth housing 25 in a snap connection manner. Among them, there is at least one third connection part 41, and the number of the fourth connection parts 42 is the same as that of the third connection parts 41. In this embodiment, the numbers of the fourth connection parts 42 and the fourth connection parts 42 are both four. The four third connection parts 41 are respectively arranged on two opposite outer walls of the fifth housing 26, and the four fourth connection parts 42 are respectively arranged on two opposite inner walls of the fourth installation cavity 253. In an alternative specific embodiment, at least one third connection part 41 and at least one fourth connection part 42 are arranged on the outer wall of the fifth housing 26, and a fourth connection part 42 matching the above third connection part 41 and a third connection part 41 matching the above fourth connection part 42 are arranged on the inner wall of the fourth housing 25.

[0110] Among them, the third connection part 41 includes a second elastic member 411 protruding from the outer wall of the fifth housing 26, and the fourth connection part 42 is a second card slot 421 recessed in the inner wall of the fourth installation cavity 253. The position of the second elastic member 411 corresponds to that of the second card slot 421. During the process of the fifth housing 26 entering the fourth installation cavity 253 of the fourth housing 25, the second elastic member 411 is first pressed and deformed by the inner wall of the fourth installation cavity 253 of the fourth housing 25. When reaching the end of the stroke, the second elastic member 411 reaches the position of the second card slot 421 and elastically returns, and then at least partially enters the second card slot 421; or the third connection part 41 includes a second card slot 421 recessed in the outer wall of the fifth housing 26, and the fourth connection part 42 is a second elastic member 411 protruding from the inner wall of the fourth installation cavity 253. The position of the second elastic member 411 corresponds to that of the second card slot 421. During the process of the fifth housing 26 entering the fourth installation cavity 253 of the fourth housing 25, the second elastic member 411 is first pressed and deformed by the outer wall of the fifth housing 26. When reaching the end of the stroke, the second elastic member 411 reaches the position of the second card slot 421 and elastically returns, and then at least partially enters the second card slot 421.

[0111] Among them, the outer wall of the fifth housing 26 corresponding to the second elastic member 411 / the inner wall of the fourth installation cavity 253 has a second avoidance groove 412. The second elastic member 411 is a second elastic arm 413 that extends from one end of the second avoidance groove 412 in a direction away from the third end 21 along the direction close to the third end 21. When not pressed, at least a part of the second elastic arm 413 bulges out of the outer wall of the fifth housing 26 / the inner wall of the fourth installation cavity 253 on the side away from the bottom surface of the second avoidance groove 412, and is spaced from the groove bottom of the second avoidance groove 412. When pressed, it sinks into the second avoidance groove 412.

[0112] Among them, a second clamping block 414 is provided on the surface of the second elastic arm 413 facing away from the bottom surface of the second avoidance groove 412. The second clamping block 414 is used for clamping with the second clamping groove 421.

[0113] Among them, the surface of the second clamping block 414 facing away from the third end 21 is a third inclined surface 415, and the side of the second clamping groove 421 facing the third end 21 is provided with a fourth inclined surface 422. The third inclined surface 415 and the fourth inclined surface 422 are in sliding fit to guide the second clamping block 414 into the second clamping groove 421.

[0114] In an alternative embodiment, the surface of the second clamping block 414 facing the third end 21 is also a bevel structure. When disassembling the fifth housing 26 from the fourth housing 25, the surface of the second clamping block 414 facing the third end 21 slides along the inner wall surface of the second clamping groove 421 close to the third end 21, which is convenient for the second clamping block 414 to disengage from the second clamping groove 421. In a preferred embodiment, the bevel on the surface of the second clamping block 414 facing the third end 21 is symmetrically arranged with the third inclined surface 415.

[0115] In another alternative embodiment, the third connecting portion 41 and the fourth connecting portion 42 realize the detachable connection between the fourth housing 25 and the fifth housing 26 by an interference fit method.

[0116] In a specific embodiment, the third connecting portion 41 includes a second elastic arm 413 provided on the outer wall of the fifth housing 26. The surface of the second elastic arm 413 away from the second avoidance groove 412 is higher than the outer wall surface of the fifth housing 26 where the second avoidance groove 412 is provided. The fourth connecting portion 42 is the inner wall surface of the fourth installation cavity 253. When the fifth housing 26 enters the fourth installation cavity 253 of the fourth housing 25, the second elastic arm 413 is deformed by the inner wall surface of the fourth installation cavity 253, and at least part of the second elastic arm 413 sinks into the second avoidance groove 412 when being pressed. When the fifth housing 26 is removed from the fourth installation cavity 253 of the fourth housing 25, the second elastic arm 413 elastically returns.

[0117] In another alternative embodiment, the third connecting portion 41 includes the outer wall surface of the fifth housing 26; the fourth connecting portion 42 includes a second elastic arm 413 disposed on the inner wall of the fourth installation cavity 253. The surface of the second elastic arm 413 away from the second avoidance groove 412 is higher than the inner wall surface of the fourth installation cavity 253 where the second avoidance groove 412 is provided. When the fifth housing 26 enters the fourth installation cavity 253 of the fourth housing 25, the second elastic arm 413 is deformed by the inner wall surface of the fourth installation cavity 253, and at least part of the second elastic arm 413 sinks into the second avoidance groove 412 when being pressed. When the fifth housing 26 is removed from the fourth installation cavity 253 of the fourth housing 25, the second elastic arm 413 elastically returns.

[0118] Wherein, the fifth housing 26 has the same structure and dimensions as the first housing 15.

[0119] Wherein, a third limit guiding portion 43 is provided on the outer wall of the fifth housing 26, and a fourth limit guiding portion 44 is provided on the inner wall of the fourth installation cavity 253 of the fourth housing 25. The third limit guiding portion 43 and the fourth limit guiding portion 44 are used for guiding the insertion.

[0120] Wherein, the third limit guiding portion 43 is at least one, and the number of the fourth limit guiding portions 44 provided is the same as the number of the third limit guiding portions 43. In this embodiment, the number of the fourth limit guiding portions 44 and the third limit guiding portions 43 are both two. The two third limit guiding portions 43 are respectively provided on the two opposite outer walls of the fifth housing 26, and the two fourth limit guiding portions 44 are respectively provided on the two opposite inner walls of the fourth installation cavity 253. In an alternative specific embodiment, when the third limit guiding portion 43 is at least two, at least one third limit guiding portion 43 and at least one fourth limit guiding portion 44 are provided on the outer wall of the fifth housing 26, and a fourth limit guiding portion 44 matching the above-mentioned third limit guiding portion 43 and a third limit guiding portion 43 matching the above-mentioned fourth limit guiding portion 44 are provided on the inner wall of the fourth housing 25.

[0121] Among them, the third limiting and guiding portion 43 includes a second strip-shaped protrusion (not shown) protruding from the outer wall of the fifth housing 26, and the fourth limiting and guiding portion 44 is a second guiding groove (not shown) on the inner wall of the fourth installation cavity 253. The position of the second strip-shaped protrusion corresponds to that of the second guiding groove. During the process of the fifth housing 26 entering the fourth installation cavity 253 of the fourth housing 25, the second strip-shaped protrusion slides in the second guiding groove, and when reaching the end of the stroke, the end of the second strip-shaped protrusion facing away from the third end 21 abuts against the inner wall of the second guiding groove; the second strip-shaped protrusion and the second guiding groove cooperate and abut to limit the position and depth of the fifth housing 26 inserted into the fourth installation cavity 253 of the fourth housing 25; or the third limiting and guiding portion 43 includes a second guiding groove recessed in the outer wall of the fifth housing 26, and the fourth limiting and guiding portion 44 is a second strip-shaped protrusion protruding from the inner wall of the fourth installation cavity 253. The position of the second strip-shaped protrusion corresponds to that of the second guiding groove. During the process of the fifth housing 26 entering the fourth installation cavity 253 of the fourth housing 25, the second strip-shaped protrusion slides in the second guiding groove, and when reaching the end of the stroke, the end of the second strip-shaped protrusion facing the third end 21 abuts against the inner wall of the second guiding groove; the second strip-shaped protrusion and the second guiding groove cooperate and abut to limit the position and depth of the fifth housing 26 inserted into the second installation cavity 163 of the fourth housing 25. Specifically, the second strip-shaped protrusion and the second guiding groove are used to limit the position of the fifth housing 26 inserted and installed into the fourth housing 25, and at the same time limit the depth of the fifth housing 26 inserted into the fourth installation cavity 253. In this embodiment, the second strip-shaped protrusion and the second guiding groove are matched and inserted, so that the central axis of the fifth housing 26 coincides with the central axis of the fourth installation cavity 253. That is to say, the central axis of the fifth housing 26, the central axis of the fourth installation cavity 253 coincide with the central axis L of the cable adapter 100. The second strip-shaped protrusion and the second guiding groove are matched and abutted, so that the second insertion end 261 of the fifth housing 26 is flush with the second receiving end 251 of the fourth housing 25.

[0122] A second matching portion 45 is provided on the fifth housing 26. The second matching portion 45 is provided at a position of the fifth housing 26 close to the second insertion end 261. The second matching portion 45 is used for assembling and fixing the second cable plug. In an optional embodiment, the second cable plug is in mating connection with the second insertion cavity 23, and the second matching portion 45 is the inner wall of the second insertion cavity 23. The outer wall of the second cable plug is connected to the inner wall of the second insertion cavity 23 by an interference fit. In this embodiment, the second matching portion 45 is a second mounting hole, and at least one second mounting hole corresponds to one second insertion cavity 23. In this embodiment, the number of the second insertion cavities 23 is six and they are arranged in parallel, and the number of the second mounting holes is two and they are respectively arranged on the two opposite inner walls of the second insertion cavity 23. In a preferred embodiment, the connection line of the two second mounting holes corresponding to one second insertion cavity 23 is perpendicular to the arrangement direction of the six second insertion cavities 23.

[0123] Please refer toFigure 5 , Figure 10 and Figure 11 , Figure 11 is a schematic cross-section of a cable adapter for installing a fifth housing according to an embodiment of the present invention. A fifth connection portion 51 is provided on the inner wall of the fourth installation cavity 253 of the fourth housing 25, and a sixth connection portion 52 is provided on the outer wall of the second housing 16. The fourth housing 25 and the second housing 16 are detachably / snap-connected through the fifth connection portion 51 and the sixth connection portion 52. Among them, the fourth housing 25 and the second housing 16 are detachably connected through the fifth connection portion 51 and the sixth connection portion 52; or the fourth housing 25 and the second housing 16 are connected through the fifth connection portion 51 and the sixth connection portion 52 by snap.

[0124] In an alternative embodiment, the fifth connection portion 51 and the sixth connection portion 52 are detachably connected to the second housing 16 and the fourth housing 25 by means of a lock. Among them, the fifth connection portion 51 is at least one, and the number of the sixth connection portion 52 is the same as the number of the fifth connection portion 51. In this embodiment, the numbers of the fifth connection portion 51 and the sixth connection portion 52 are two respectively. The two fifth connection portions 51 are respectively provided on the inner walls of the two opposite sides of the fourth installation cavity 253, and the two sixth connection portions 52 are respectively provided on the outer walls of the two opposite sides of the second housing 16. In an alternative specific embodiment, at least one fifth connection portion 51 and at least one sixth connection portion 52 are provided on the outer wall of the second housing 16, and a sixth connection portion 52 matching the above fifth connection portion 51 and a fifth connection portion 51 matching the above sixth connection portion 52 are provided on the inner wall of the fifth housing 26.

[0125] The fifth connection portion 51 includes a third elastic member 511 protruding from the inner wall of the fourth installation cavity 253, and the sixth connection portion 52 is a third card slot 521 recessed in the outer wall of the second housing 16. The position of the third elastic member 511 corresponds to that of the third card slot 521. During the process of the second housing 16 entering the fourth installation cavity 253 of the fourth housing 25, the third elastic member 511 is first pressed and deformed by the outer wall of the second housing 16. When reaching the end of the stroke, the third elastic member 511 reaches the position of the third card slot 521 and elastically returns, and then at least partially enters the third card slot 521; or the fifth connection portion 51 includes a third card slot 521 recessed in the inner wall of the fourth installation cavity 253, and the sixth connection portion 52 is a third elastic member 511 protruding from the outer wall of the second housing 16. The position of the third elastic member 511 corresponds to that of the third card slot 521. During the process of the second housing 16 entering the fourth installation cavity 253 of the fourth housing 25, the third elastic member 511 is first pressed and deformed by the outer wall of the second housing 16. When reaching the end of the stroke, the third elastic member 511 reaches the position of the third card slot 521 and elastically returns, and then at least partially enters the third card slot 521.

[0126] The outer wall of the second housing 16 / inner wall of the fourth installation cavity 253 corresponding to the third elastic member 511 has a third avoidance groove 512. The third elastic member 511 is a third elastic arm 513 extending from one end of the third avoidance groove 512 along the insertion direction or away from the insertion direction. When not pressed, the third elastic arm 513 at least partially protrudes from the outer wall of the second housing 16 / inner wall of the fourth installation cavity 253 away from the bottom surface of the third avoidance groove 512, and is spaced from the bottom of the third avoidance groove 512. When pressed, it sinks into the third avoidance groove 512. Among them, the end of the third plug arm away from the third installation groove is an inclined structure.

[0127] A third engaging block 514 is disposed on a surface of the third elastic arm 513 away from the bottom surface of the third avoiding groove 512 . The third engaging block 514 is used for engaging with the third engaging groove 521 .

[0128] A side surface of the third clamping block 514 facing the first end 11 or the third end 21 is a fifth inclined surface 515, and a side surface of the third clamping groove 521 facing away from the third end 21 or the first end 11 is provided with a sixth inclined surface 522. The fifth inclined surface 515 and the sixth inclined surface 522 are slidably matched to guide the third clamping block 514 to the third clamping groove 521 when the second shell 16 enters the fourth installation cavity 253 of the fourth shell 25; or to disengage the third clamping block 514 from the third clamping groove 521 when the second shell 16 disengages from the fourth installation cavity 253 of the fourth shell 25.

[0129] In an optional embodiment, a side surface of the third clamping block 514 facing the fourth end 22 is also an inclined surface structure. When the second housing 16 and the fourth housing 25 are disassembled, the side surface of the third clamping block 514 facing the fourth end 22 slides along the inner wall surface of the third clamping groove 521 close to the second end 12, so that the third clamping block 514 can be easily disengaged from the third clamping groove 521. In a preferred embodiment, the inclined surface of the side surface of the third clamping block 514 facing the fourth end 22 is symmetrically arranged with the fifth inclined surface 515.

[0130] In another optional embodiment, the fifth connecting portion 51 and the sixth connecting portion 52 achieve a detachable connection between the fourth shell 25 and the second shell 16 by interference fit.

[0131] In a specific embodiment, the fifth connecting portion 51 includes a third elastic arm 513 disposed on the inner wall of the fourth installation cavity 253. The surface of the third elastic arm 513 away from the third avoidance groove 512 is higher than the inner wall surface of the fourth installation cavity 253 where the third avoidance groove 512 is provided. The sixth connecting portion 52 is the outer wall surface of the second housing 16. The second housing 16 enters the fourth installation cavity 253 of the fourth housing 25, and the third elastic arm 513 is deformed by the outer wall surface of the second housing 16. When being pressed, at least a part of the third elastic arm 513 sinks into the third avoidance groove 512. When the second housing 16 is removed from the fourth installation cavity 253 of the fourth housing 25, the third elastic arm 513 elastically returns.

[0132] In another alternative embodiment, the fifth connecting portion 51 includes the inner wall surface of the fourth installation cavity 253; the sixth connecting portion 52 includes a third elastic arm 513 disposed on the outer wall surface of the second housing 16. The surface of the third elastic arm 513 away from the third avoidance groove 512 is higher than the outer wall surface of the second housing 16 where the third avoidance groove 512 is provided. The second housing 16 enters the fourth installation cavity 253 of the fourth housing 25, and the third elastic arm 513 is deformed by the inner wall surface of the fourth installation cavity 253. When being pressed, at least a part of the third elastic arm 513 sinks into the third avoidance groove 512. When the second housing 16 is removed from the fourth installation cavity 253 of the fourth housing 25, the third elastic arm 513 elastically returns.

[0133] Wherein, a fifth limit guiding portion 53 is provided on the outer wall of the second housing 16, and a sixth limit guiding portion 54 is provided on the inner wall of the fourth installation cavity 253 of the fourth housing 25. The fifth limit guiding portion 53 and the sixth limit guiding portion 54 are used for guiding the insertion.

[0134] Wherein, the fifth limit guiding portion 53 is at least one, and the number of the sixth limit guiding portion 54 is the same as the number of the third limit guiding portion 43. In this embodiment, the numbers of the fifth limit guiding portion 53 and the sixth limit guiding portion 54 are both two. The two fifth limit guiding portions 53 are respectively provided on two opposite outer walls of the second housing 16, and the two sixth limit guiding portions 54 are respectively provided on two opposite inner walls of the fourth installation cavity 253. In an alternative specific embodiment, at least one fifth limit guiding portion 53 and at least one sixth limit guiding portion 54 are provided on the outer wall of the second housing 16, and a sixth limit guiding portion 54 matching the above fifth limit guiding portion 53 and a fifth limit guiding portion 53 matching the above sixth limit guiding portion 54 are provided on the inner wall of the fourth housing 25.

[0135] Among them, the fifth limiting guide part 53 includes a third strip-shaped protrusion (not shown) protruding from the outer wall of the second shell 16, and the sixth limiting guide part 54 is a third guide groove (not shown) recessed in the inner wall of the fourth installation cavity 253. The position of the third strip-shaped protrusion corresponds to the third guide groove. When the second shell 16 enters the fourth installation cavity 253 of the fourth shell 25, the third strip-shaped protrusion slides in the third guide groove. When reaching the end of the stroke, the end of the third strip-shaped protrusion away from the third end 21 abuts against the inner wall of the third guide groove; the third strip-shaped protrusion cooperates with the third guide groove to abut to limit the position and depth of the second shell 16 inserted into the fourth installation cavity 253 of the fourth shell 25. In this embodiment, an installation space is formed between the side wall of the third avoidance groove 512 and the side wall of the adjacent third elastic arm 513, and the installation space serves as the third guide groove. Specifically, the third strip-shaped protrusion and the third guide groove are used to limit the position of the second shell 16 inserted into the fourth shell 25, and at the same time limit the depth of the second shell 16 inserted into the fourth installation cavity 253. In this embodiment, the third strip protrusion and the third guide groove are matched and inserted, so that the central axis of the second housing 16 coincides with the central axis of the fourth installation cavity 253. In other words, the central axis of the second housing 16 and the central axis of the fourth installation cavity 253 coincide with the central axis L of the cable adapter 100. The third strip protrusion and the third guide groove are matched and abutted, so that the length of the portion of the second housing 16 near the second connection end 252 inserted into the fourth installation cavity 253 is fixed.

[0136] Among them, the fifth limiting guide portion 53 includes a third guide groove recessed in the outer wall of the second shell 16, and the sixth limiting guide portion 54 is a third strip protrusion protruding from the inner wall of the fourth mounting cavity 253. The position of the third strip protrusion corresponds to the third guide groove. In the process of the second shell 16 entering the fourth mounting cavity 253 of the fourth shell 25, the third strip protrusion slides in the third guide groove. When reaching the end of the stroke, the end of the third strip protrusion away from the insertion direction abuts against the inner wall of the third guide groove; the third strip protrusion cooperates with the third guide groove to abut to limit the position and depth of the second shell 16 inserted into the fourth mounting cavity 253 of the fourth shell 25.

[0137] See also Figure 11 and Figure 12 , Figure 12 The first connection end 162 of the second shell 16 is connected to the shielding assembly 55, which is rotatably connected to the second shell 16, and the shielding assembly 55 can at least selectively be in a first state of shielding the opening of the second installation cavity 163 corresponding to the first connection end 162, and in a second state of opening the opening of the second installation cavity 163 corresponding to the first connection end 162.

[0138] Among them, the shielding component 55 includes a shielding plate 551, a torsion spring 552 and a rotating shaft 553. The shielding plate 551 is rotatably connected to the end of the first connection end 162 of the second housing 16 through the rotating shaft 553. The torsion spring 552 is sleeved on the rotating shaft 553. One end of the torsion spring 552 abuts against the shielding plate 551, and the other end abuts against the second housing 16, and makes the shielding plate 551 in the first state when the shielding plate 551 is not subjected to an external force. A long groove 164 is provided on the end face of the second connection end 252 of the second housing 16, and the long groove 164 is used to accommodate the torsion spring 552 and the rotating shaft 553 connecting the shielding plate 551.

[0139] Among them, a force-receiving protrusion 554 is provided on one side of the shielding plate 551 adjacent to the end of the first connection end 162. The force-receiving protrusion 554 protrudes from the outer wall of the second housing 16 in the first state. During the process of inserting the second housing 16 into the fourth installation cavity 253 of the fourth housing 25, the end of the second connection end 252 of the fourth housing 25 pushes the force-receiving protrusion 554, and the force-receiving protrusion 554 is used to drive the shielding plate 551 to rotate along the rotating shaft 553, so that the shielding plate 551 is in the second state of opening the opening corresponding to the first connection end 162 of the second installation cavity 163.

[0140] In a specific embodiment, there are two shielding plates 551 which are relatively closed and arranged at the end of the second connection end 252, and one side of the two shielding plates 551 away from each other is rotatably connected to the second housing 16. A first connection block 555 and a second connection block 556 are provided on one side of the shielding plate 551. The torsion spring 552 is sleeved on the rotating shaft 553, and both ends of the rotating shaft 553 are respectively connected to the first connection block 555 and the second connection block 556. A first communication hole 557 is provided on the first connection block 555, a second communication hole 558 is provided on the second connection hole, and both ends of the rotating shaft 553 are respectively inserted into the first communication hole 557 and the second communication hole 558. The force-receiving protrusion 554 is provided on the side of the first connection block 555 and / or the second connection block 556 away from the shielding plate 551. When the shielding plate 551 is in the second state, the end of the force-receiving protrusion 554 away from the shielding plate 551 is received in the second receiving groove 517 provided on the inner wall of the fourth installation cavity 253 of the fourth housing 25. At present, there is a problem that the alignment of the first plugging cavity 13 and the second plugging cavity 23 is inaccurate during the installation of the cable adapter 100, resulting in a low optical coupling efficiency between the first cable plug and the second cable plug, and further causing problems of unstable and unreliable signals. When connecting a joint at one end of the cable connector, there is a problem that a high-intensity light beam shoots out from the other port and accidentally injures people's eyes.

[0141] Please refer to Figure 6 、 Figure 7 and Figure 9, the first adapter body 1 further includes a third housing 17. A third installation cavity 173 is formed in the third housing 17. The third installation cavity 173 is used to accommodate the second housing 16. The third housing 17 and the second housing 16 are detachably / clip-connected.

[0142] The third housing 17 includes a third insertion end 171 and a third connection end 172 connected to the third insertion end 171. The third insertion end 171 corresponds to the first end 11, and the third connection end 172 corresponds to the second end 12. The third connection end 172 is used to be detachably connected to the second adapter body 2.

[0143] A seventh connection portion 61 is provided on the outer wall of the second housing 16, and an eighth connection portion 62 is provided on the inner wall of the third installation cavity 173 of the third housing 17. The second housing 16 and the third housing 17 are detachably connected through the seventh connection portion 61 and the eighth connection portion 62. The second housing 16 and the third housing 17 are detachably connected through the seventh connection portion 61 and the eighth connection portion 62; or the second housing 16 and the third housing 17 are connected through the seventh connection portion 61 and the eighth connection portion 62 by means of a snap connection.

[0144] In an optional embodiment, the seventh connection portion 61 and the eighth connection portion 62 are detachably connected to the second housing 16 and the third housing 17 by means of a lock connection. Among them, the seventh connection portion 61 is at least one, and the number of the eighth connection portion 62 is the same as the number of the eighth connection portion 62. In this embodiment, the numbers of the seventh connection portion 61 and the eighth connection portion 62 are both two. The two seventh connection portions 61 are respectively provided on the two opposite inner walls of the third installation cavity 173, and the two seventh connection portions 61 are respectively provided on the two opposite outer walls of the second housing 16. In an optional specific embodiment, at least one seventh connection portion 61 and at least one eighth connection portion 62 are provided on the outer wall of the second housing 16, and an eighth connection portion 62 matching the above seventh connection portion 61 and a seventh connection portion 61 matching the above eighth connection portion 62 are provided on the inner wall of the third housing 17.

[0145] Among them, the seventh connection portion 61 includes a fourth elastic member 611 protruding from the outer wall of the second housing 16, and the eighth connection portion 62 is a fourth card slot 621 recessed in the inner wall of the third installation cavity 173. The position of the fourth elastic member 611 corresponds to that of the fourth card slot 621. During the process of the second housing 16 entering the third installation cavity 173 of the third housing 17, the fourth elastic member 611 is first pressed and deformed by the inner wall of the third installation cavity 173 of the third housing 17. When reaching the end of the stroke, the fourth elastic member 611 reaches the position of the fourth card slot 621 and elastically returns, and then at least partially enters the fourth card slot 621.

[0146] Among them, the seventh connecting portion 61 includes a fourth card slot 621 recessed in the outer wall of the second housing 16, and the eighth connecting portion 62 is a fourth elastic member 611 protruding from the inner wall of the third installation cavity 173. The position of the fourth elastic member 611 corresponds to that of the fourth card slot 621. During the process of the second housing 16 entering the third installation cavity 173 of the third housing 17, the fourth elastic member 611 is first deformed by the outer wall of the second housing 16. When reaching the end of the stroke, the fourth elastic member 611 reaches the position of the fourth card slot 621 and elastically returns, and then at least partially enters the fourth card slot 621.

[0147] Optionally, a first card slot 321 is provided on the side wall of the second housing 16. The first card slot 321 is a through slot penetrating the inner wall surface and the outer wall surface of the second housing 16. The part of the through slot provided on the outer wall surface of the second housing 16 serves as the fourth card slot 621.

[0148] Among them, a fourth avoidance slot 612 is provided on the outer wall of the second housing 16 / corresponding to the inner wall of the third installation cavity 173 where the fourth elastic member 611 is located. The fourth elastic member 611 is a fourth elastic arm 613 extending from one end of the fourth avoidance slot 612 along the direction close to the first end 11 or away from the first end 11. When not being pressed, at least a part of the fourth elastic arm 613 protruding from the bottom surface of the fourth avoidance slot 612 protrudes from the outer wall of the second housing 16 / corresponding to the inner wall of the third installation cavity 173, and is spaced from the bottom of the fourth avoidance slot 612. When being pressed, it sinks into the fourth avoidance slot 612.

[0149] Among them, a fourth engaging block 614 is provided on the surface of the fourth elastic arm 613 facing away from the bottom surface of the fourth avoidance slot 612. The fourth engaging block 614 is used for engaging with the fourth card slot 621.

[0150] Among them, one side surface of the fourth engaging block 614 facing away from the first end 11 is a seventh inclined surface 615, and one side of the first card slot 321 facing the first end 11 is provided with an eighth inclined surface 622. The seventh inclined surface 615 and the eighth inclined surface 622 are in sliding fit to guide the fourth engaging block 614 to the fourth card slot 621.

[0151] In an alternative embodiment, the side surface of the fourth engaging block 614 facing the first end 11 is also a bevel structure. When disassembling the second housing 16 and the third housing 17, the side surface of the fourth engaging block 614 facing the first end 11 slides along the inner wall surface of the fourth card slot 621 close to the first end 11, which is convenient for the fourth engaging block 614 to be disengaged from the fourth card slot 621. In a preferred embodiment, the bevel on the side surface of the fourth engaging block 614 facing the first end 11 is symmetrically arranged with the seventh inclined surface 615.

[0152] In another alternative embodiment, the seventh connecting portion 61 and the eighth connecting portion 62 are detachably connected to the third housing 17 and the second housing 16 by an interference fit method.

[0153] In a specific embodiment, the seventh connecting portion 61 includes a fourth elastic arm 613 disposed on the inner wall of the third installation cavity 173. The surface of the fourth elastic arm 613 away from the fourth avoidance groove 612 is higher than the inner wall surface of the third installation cavity 173 where the fourth avoidance groove 612 is provided. The eighth connecting portion 62 is the outer wall surface of the second housing 16. The second housing 16 enters the third installation cavity 173 of the third housing 17, and the fourth elastic arm 613 is deformed by the outer wall surface of the second housing 16. When being pressed, at least a part of the fourth elastic arm 613 sinks into the fourth avoidance groove 612. When the second housing 16 is removed from the third installation cavity 173 of the third housing 17, the fourth elastic arm 613 elastically returns.

[0154] In another alternative embodiment, the seventh connecting portion 61 includes the inner wall surface of the third installation cavity 173; the eighth connecting portion 62 includes a fourth elastic arm 613 disposed on the outer wall surface of the second housing 16. The surface of the fourth elastic arm 613 away from the fourth avoidance groove 612 is higher than the outer wall surface of the second housing 16 where the fourth avoidance groove 612 is provided. The second housing 16 enters the third installation cavity 173 of the third housing 17, and the fourth elastic arm 613 is deformed by the inner wall surface of the third installation cavity 173. When being pressed, at least a part of the fourth elastic arm 613 sinks into the fourth avoidance groove 612. When the second housing 16 is removed from the third installation cavity 173 of the third housing 17, the fourth elastic arm 613 elastically returns.

[0155] Wherein, a seventh limit guiding portion 63 is provided on the outer wall of the second housing 16, and an eighth limit guiding portion 64 is provided on the inner wall of the third installation cavity 173 of the third housing 17. The seventh limit guiding portion 63 and the eighth limit guiding portion 64 are used for guiding the insertion.

[0156] Wherein, there is at least one seventh limit guiding portion 63, and the number of the eighth limit guiding portions 64 is the same as that of the third limit guiding portions 43. In this embodiment, the numbers of the seventh limit guiding portion 63 and the eighth limit guiding portion 64 are both two. The two seventh limit guiding portions 63 are respectively disposed on two opposite outer walls of the second housing 16, and the two eighth limit guiding portions 64 are respectively disposed on two opposite inner walls of the third installation cavity 173. In an alternative specific embodiment, at least one seventh limit guiding portion 63 and at least one eighth limit guiding portion 64 are provided on the outer wall of the second housing 16, and an eighth limit guiding portion 64 matching the above-mentioned seventh limit guiding portion 63 and a seventh limit guiding portion 63 matching the above-mentioned eighth limit guiding portion 64 are provided on the inner wall of the fourth housing 25.

[0157] Among them, the seventh limit guiding part 63 includes a fourth strip-shaped protrusion (not shown) protruding from the outer wall of the second housing 16, and the eighth limit guiding part 64 is a fourth guiding groove (not shown) on the inner wall of the third installation cavity 173. The position of the fourth strip-shaped protrusion corresponds to that of the fourth guiding groove. During the process of the second housing 16 entering the third installation cavity 173 of the third housing 17, the fourth strip-shaped protrusion slides in the fourth guiding groove, and when reaching the end of the stroke, the end of the fourth strip-shaped protrusion close to the first end 11 abuts against the inner wall of the fourth guiding groove; the fourth strip-shaped protrusion and the fourth guiding groove cooperate and abut to limit the position and depth of the second housing 16 inserted into the third installation cavity 173 of the third housing 17; or the seventh limit guiding part 63 includes a fourth guiding groove recessed in the outer wall of the second housing 16, and the second limit guiding part 34 is a fourth strip-shaped protrusion protruding from the inner wall of the third installation cavity 173. The position of the fourth strip-shaped protrusion corresponds to that of the fourth guiding groove. During the process of the second housing 16 entering the third installation cavity 173 of the third housing 17, the fourth strip-shaped protrusion slides in the fourth guiding groove, and when reaching the end of the stroke, the end of the fourth strip-shaped protrusion away from the first end 11 abuts against the inner wall of the fourth guiding groove; the fourth strip-shaped protrusion and the fourth guiding groove cooperate and abut to limit the position and depth of the second housing 16 inserted into the second installation cavity 163 of the third housing 17. Specifically, the fourth strip-shaped protrusion and the fourth guiding groove are used to limit the position of the second housing 16 inserted and installed into the third housing 17, and at the same time limit the depth of the second housing 16 inserted into the third installation cavity 173. In this embodiment, the fourth strip-shaped protrusion and the fourth guiding groove are matched and inserted, so that the central axis of the second housing 16 coincides with the central axis of the third installation cavity 173, that is to say, the central axis of the second housing 16, the central axis of the third installation cavity 173 coincides with the central axis L of the cable adapter 100. The fourth strip-shaped protrusion and the fourth guiding groove are matched and abutted, so that the first receiving end 161 of the second housing 16 is flush with the third insertion end 171 of the third housing 17.

[0158] The length of the third housing 17 in the insertion direction is less than the length of the second housing 16 in the insertion direction. The part of the second housing 16 close to the second end 12 is exposed outside the third housing 17. The second housing 16 is inserted into the fourth installation cavity 253. The outer wall of the second housing 16 is lower than the outer wall of the fourth housing 25, and a low-lying area is formed on one side of the outer wall of the second housing 16. The low-lying area of the second housing 16 is installed inside the third housing 17, and the outer wall of the third housing 17 is flush with the outer wall of the fourth housing 25.

[0159] In an alternative embodiment, a plug post 616 is provided on the third housing 17, and the plug post 616 is inserted into a first receiving groove 516 provided on the fourth housing 25.

[0160] Among them, a positioning component 71 is provided on the end surface of the connecting end of the first housing 15, and the positioning component 71 is used to connect with a positioning component 72 provided on the second adapter body 2.

[0161] Among them, the positioning component 71 includes positioning posts, and the alignment component 72 includes positioning holes, and the positioning posts are inserted into the positioning holes; or the positioning component 71 includes positioning holes, and the alignment component 72 includes positioning posts, and the positioning posts are inserted into the positioning holes; or the positioning component 71 includes a first positioning hole 711 and a first positioning post 712, and the alignment component 72 includes a second positioning post 722 and a second positioning hole 721, the first positioning post 712 is inserted into the second positioning hole 721, and the second positioning post 722 is inserted into the first positioning hole 711.

[0162] Among them, the first insertion cavity 13 and / or the second insertion cavity 23 are used for directly plugging and mating with the circuit board of the first cable plug. That is to say, the first cable plug is not provided with a housing, one end of the first cable is fixed to the circuit board, there is no housing fixed to the cable adapter 100 outside the circuit board, and the first cable plug is directly connected to the cable adapter 100 through the circuit board.

[0163] In a specific embodiment, the first housing 15 is inserted into the second installation cavity 163 of the second housing 16. The first inclined surface 315 of the first clamping block 314 on the first elastic arm 313 of the first housing 15 slides on the second inclined surface 322 until the first clamping block 314 is guided to the first clamping groove 321, and the first clamping block 314 is clamped with the first clamping groove 321 to install the first housing 15 in the second installation cavity 163 of the second housing 16; at the same time, the first strip-shaped protrusion on the first housing 15 slides in the first guiding groove on the inner wall of the second installation cavity 163, and when reaching the end of the stroke, the end of the first strip-shaped protrusion close to the second end 12 abuts against the inner wall of the first guiding groove, so that the first insertion end 151 of the first housing 15 is flush with the first receiving end 161 of the second housing 16.

[0164] The second housing 16 installed with the first housing 15 is inserted into the third installation cavity 173 of the third housing 17. The seventh inclined surface 615 of the fourth clamping block 614 on the fourth elastic arm 613 on the inner wall of the third installation cavity 173 slides on the eighth inclined surface 622 until the fourth clamping block 614 is guided to the fourth clamping groove 621, and the fourth clamping block 614 is clamped with the fourth clamping groove 621 to install the second housing 16 in the third installation cavity 173 of the third housing 17; at the same time, the fourth strip-shaped protrusion on the second housing 16 slides in the fourth guiding groove on the inner wall of the third installation cavity 173, and when reaching the end of the stroke, the end of the fourth strip-shaped protrusion close to the first end 11 abuts against the inner wall of the fourth guiding groove, so that the third insertion end 171 of the third housing 17 is flush with the first receiving end 161 of the second housing 16, thereby obtaining the first adapter body 1.

[0165] Insert the fifth housing 26 into the fourth installation cavity 253 of the fourth housing 25. The third inclined surface 415 of the second clamping block 414 on the second elastic arm 413 of the fifth housing 26 slides on the fourth inclined surface 422 until the second clamping block 414 is guided to the second clamping groove 421, and the second clamping block 414 is clamped with the second clamping groove 421 to install the fifth housing 26 in the fourth installation cavity 253 of the fourth housing 25. At the same time, the second strip-shaped protrusion on the fifth housing 26 slides in the second guiding groove on the inner wall of the fourth installation cavity 253. When reaching the end of the stroke, the end of the second strip-shaped protrusion close to the fourth end 22 abuts against the inner wall of the second guiding groove, so that the second insertion end 261 of the fifth housing 26 is flush with the second receiving end 251 of the fourth housing 25, and then the second adapter body 2 is obtained.

[0166] Oppose the second end 12 of the first adapter body 1 to the fourth end 22 of the second adapter body 2, and insert the second end 12 of the first adapter body 1 into one end of the fourth installation cavity 253 of the fourth housing 25 away from the fifth housing 26. Press the force-receiving protrusion 554 on the end surface of the fourth housing 25 away from the fifth housing 26. The force-receiving protrusion 554 rotates in the direction close to the first receiving end 161 of the second housing 16. At the same time, the shielding plate 551 rotates in the direction away from the first receiving end 161 of the second housing 16, so that the shielding plate 551 is in an open state and is received in the fourth installation cavity 253 of the fourth housing 25. The fifth inclined surface 515 of the third clamping block 514 on the third elastic arm 513 of the fourth housing 25 slides on the sixth inclined surface 522 until the third clamping block 514 is guided to the third clamping groove 521, and the third clamping block 514 is clamped with the third clamping groove 521 to install the part of the second housing 16 close to the second end 12 in the fourth installation cavity 253 of the fourth housing 25. At the same time, the third strip-shaped protrusion on the second housing 16 slides in the third guiding groove on the inner wall of the fourth installation cavity 253. When reaching the end of the stroke, the end of the third strip-shaped protrusion away from the first end 11 abuts against the inner wall of the third guiding groove, so that the end surface of the third connecting end 172 of the third housing 17 abuts against the end surface of the fourth housing 25 away from the second receiving end 251, and the outer wall surface of the third housing 17 is flush with the outer wall surface of the fourth housing 25, and then the buckle of the first adapter body 1 and the second adapter body 2 is realized to obtain the cable adapter 100.

[0167] In a specific embodiment, hold the outer wall of the third housing 17 of the cable adapter 100 with the right hand and hold the outer wall of the fourth housing 25 of the cable adapter 100 with the left hand. Apply a pulling force to the right with the right hand, so that the fifth inclined surface 515 of the third engaging block 514 on the third elastic arm 513 on the fourth housing 25 slides on the sixth inclined surface 522, so that the third engaging block 514 disengages from the third engaging slot 521. The fourth housing 25 on the second adapter body 2 disengages from the second housing 16 on the first adapter body 1. The end face of the fourth housing 25 away from the fifth housing 26 has no pressure on the force-receiving protrusion 554, and the force-receiving protrusion 554 rotates in the direction away from the first receiving end 161 of the second housing 16. At the same time, the shielding plate 551 rotates in the direction close to the first receiving end 161 of the second housing 16, so that the shielding plate 551 is in a closed state and shields the first connection end 162 of the second housing 16. At the same time, the third strip-shaped protrusion on the second housing 16 slides in the third guiding slot on the inner wall of the fourth installation cavity 253 until the third strip-shaped protrusion completely disengages from the third guiding slot, thereby realizing the disassembly of the first adapter body 1 and the second adapter body 2.

[0168] Pull out the second housing 16 from the third installation cavity 173 of the third housing 17. The fourth engaging block 614 disengages from the fourth engaging slot 621, and the fourth strip-shaped protrusion disengages from the fourth guiding slot, completing the disassembly of the second housing 16 and the third housing 17. Pull out the first housing 15 from the second installation cavity 163 of the second housing 16. The first engaging block 314 disengages from the first engaging slot 321, and the first strip-shaped protrusion disengages from the first guiding slot, completing the disassembly of the second housing 16 and the first housing 15, and thus completing the disassembly of the first adapter body 1.

[0169] Pull out the fifth housing 26 from the fourth installation cavity 253 of the fourth housing 25. The second engaging block 414 disengages from the second engaging slot 421, and the second strip-shaped protrusion disengages from the second guiding slot, completing the disassembly of the fifth housing 26 and the first housing 15, and thus completing the disassembly of the second adapter body 2.

[0170] A cable adapter provided in this embodiment, the cable adapter includes: a first adapter body, the first adapter body includes a first end and a second end connected to the first end, the first adapter body has a first insertion cavity penetrating the first end and the second end, and the first insertion cavity is used for inserting a first cable plug; a second adapter body, the second adapter body includes a third end and a fourth end connected to the third end, the second adapter body has a second insertion cavity penetrating the third end and the fourth end, and the second insertion cavity is used for inserting a second cable plug to achieve optical coupling with the first cable plug; wherein, the second adapter body is detachably / coupled to the first adapter body. The cable adapter provided by the present invention makes the installation and disassembly of the cable adapter more convenient, has a simple structure and is easy to implement by detachably or couplingly connecting the first adapter body and the second adapter body.

[0171] The above are only the embodiments of the present invention, and do not limit the patent protection scope of the present invention. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present invention by the same token.

Claims

1. A cable adapter, characterized in that, The cable adapter includes: A first adapter body, the first adapter body includes a first end and a second end connected to the first end. The first adapter body has a first insertion cavity that penetrates the first end and the second end, and the first insertion cavity is used for inserting a first cable plug; A second adapter body, the second adapter body includes a third end and a fourth end connected to the third end. The second adapter body has a second insertion cavity that penetrates the third end and the fourth end, and the second insertion cavity is used for inserting a second cable plug to achieve coupling with the first cable plug; Wherein, the second adapter body is detachably connected to the first adapter body; The first adapter body includes a first housing and a second housing. A second installation cavity is formed in the second housing, and the second installation cavity is used for accommodating the first housing. The first insertion cavity is formed in the first housing, and the first housing and the second housing are detachably connected; the size of the cross-section of the first housing is smaller than the size of the cross-section of the second installation cavity; The first adapter body further includes a third housing. A third installation cavity is formed in the third housing, and the third installation cavity is used for accommodating the second housing. The third housing and the second housing are detachably connected.

2. The cable adapter according to claim 1, characterized in that A sixth connection part is provided on the first adapter body, and a fifth connection part is provided on the second adapter body. The first adapter body and the second adapter body are detachably connected through the fifth connection part and the sixth connection part.

3. The cable adapter according to claim 2, wherein The sixth connection part includes a clamping component on the first adapter body, and the fifth connection part includes a clamping groove component on the second adapter body. The position of the clamping component corresponds to that of the clamping groove component. When the first adapter body and the second adapter body are assembled, the clamping component is clamped in the clamping groove component. When the first adapter body is separated from the second adapter body, the clamping component is separated from the clamping groove component; Or The sixth connection part includes a clamping groove component on the first adapter body, and the fifth connection part includes a clamping component on the second adapter body. The position of the clamping component corresponds to that of the clamping groove component. When the first adapter body and the second adapter body are assembled, the clamping component is clamped in the clamping groove component. When the first adapter body is separated from the second adapter body, the clamping component is separated from the clamping groove component.

4. The cable adapter according to claim 1, wherein The first housing includes a first insertion end and a first coupling end connected to the first insertion end. The second housing includes a first receiving end and a first connection end connected to the first receiving end. The first insertion end and the first receiving end correspond to the first end, and the first coupling end and the first connection end correspond to the second end. The first connection end is used for detachably connecting to the second adapter body.

5. The cable adapter according to claim 1, wherein A first connection portion is provided on the outer wall of the first housing, and a second connection portion is provided on the inner wall of the second mounting cavity of the second housing. The second housing and the first housing are detachably connected through the first connection portion and the second connection portion.

6. The cable adapter according to claim 5, characterized in that, The first connection portion includes a first elastic member protruding from the outer wall of the first housing. The second connection portion is a first card slot on the inner wall of the second mounting cavity. The position of the first elastic member corresponds to that of the first card slot. During the process of the first housing entering the second mounting cavity of the second housing, the first elastic member is first pressed and deformed by the inner wall of the second mounting cavity of the second housing. When reaching the end of the stroke, the first elastic member reaches the position of the first card slot and elastically returns, and then at least partially enters the first card slot; or The first connection portion includes a first card slot recessed in the outer wall of the first housing. The second connection portion is a first elastic member on the inner wall of the second mounting cavity. The position of the first elastic member corresponds to that of the first card slot. During the process of the first housing entering the second mounting cavity of the second housing, the first elastic member is first pressed and deformed by the outer wall of the first housing. When reaching the end of the stroke, the first elastic member reaches the position of the first card slot and elastically returns, and then at least partially enters the first card slot.

7. The cable adapter according to claim 6, characterized in that, The outer wall of the first housing / the inner wall of the second mounting cavity corresponding to the first elastic member has a first avoidance groove. The first elastic member is a first elastic arm extending from one end of the first avoidance groove along the direction close to the first end or along the direction away from the first end towards the second end. When not being pressed, at least a part of the first elastic arm protruding from the outer wall of the first housing / the inner wall of the second mounting cavity deviates from the bottom surface of the first avoidance groove and is spaced from the bottom of the first avoidance groove. When being pressed, it sinks into the first avoidance groove.

8. The cable adapter according to claim 7, wherein, A first clamping block is provided on the surface of the first elastic arm deviating from the bottom surface of the first avoidance groove. The first clamping block is used for clamping with the first card slot.

9. The cable adapter according to claim 8, wherein, One side surface of the first clamping block deviating from the first end is a first inclined surface, and a second inclined surface is provided on one side of the first card slot facing the first end. The first inclined surface and the second inclined surface are in sliding fit to guide the first clamping block to the first card slot.

10. The cable adapter according to claim 5, wherein The first connection portion and the second connection portion are connected by an interference fit method.

11. The cable adapter according to claim 5, characterized in that A first limit guiding portion is provided on the outer wall of the first housing, and a second limit guiding portion is provided on the inner wall of the second mounting cavity of the second housing. The first limit guiding portion and the second limit guiding portion are used for guiding the insertion.

12. The cable adapter according to claim 11, characterized in that, The first limiting and guiding portion includes a first strip-shaped protrusion protruding from the outer wall of the first housing. The second limiting and guiding portion is a first guiding groove on the inner wall of the second installation cavity. The position of the first strip-shaped protrusion corresponds to that of the first guiding groove. During the process of the first housing entering the second installation cavity of the second housing, the first strip-shaped protrusion slides in the first guiding groove, and when reaching the end of the stroke, the end of the first strip-shaped protrusion close to the second end abuts against the inner wall of the first guiding groove. The first strip-shaped protrusion and the first guiding groove cooperate and abut to limit the position and depth of the first housing inserted into the second installation cavity of the second housing; or The first limiting and guiding portion includes a first guiding groove recessed in the outer wall of the first housing. The second limiting and guiding portion is a first strip-shaped protrusion protruding from the inner wall of the second installation cavity. The position of the first strip-shaped protrusion corresponds to that of the first guiding groove. During the process of the first housing entering the second installation cavity of the second housing, the first strip-shaped protrusion slides in the first guiding groove, and when reaching the end of the stroke, the end of the first strip-shaped protrusion close to the first end abuts against the inner wall of the first guiding groove. The first strip-shaped protrusion and the first guiding groove cooperate and abut to limit the position and depth of the first housing inserted into the second installation cavity of the second housing.

13. The cable adapter according to claim 4, characterized in that, A first mating portion is provided on the first housing. The first mating portion is provided at a position of the first housing close to the first insertion end, and the first mating portion is used for assembling and fixing the first cable plug.

14. The cable adapter according to claim 13, characterized in that, The first mating portion is a first mounting hole. There are two first mounting holes, which are oppositely arranged on two opposite inner walls of the first plugging cavity.

15. The cable adapter according to claim 1, wherein The second adapter body includes a fourth housing and a fifth housing. A fourth installation cavity is formed in the fourth housing, and the fourth installation cavity is used to accommodate the fifth housing. A second plugging cavity is formed in the fifth housing, and the fourth housing and the fifth housing are detachably connected to each other.

16. The cable adapter according to claim 15, characterized in that, The fifth housing includes a second insertion end and a second coupling end connected to the second insertion end. The fourth housing includes a second receiving end and a second connection end connected to the second receiving end. The second insertion end and the second receiving end correspond to the third end, and the second coupling end and the second connection end correspond to the fourth end. The second connection end is used for detachable connection with the first adapter body.

17. The cable adapter according to claim 16, wherein, A third connection portion is provided on the outer wall of the fifth housing, and a fourth connection portion is provided on the inner wall of the fourth installation cavity of the fourth housing. The fourth housing and the fifth housing are detachably connected through the third connection portion and the fourth connection portion.

18. The cable adapter according to claim 17, wherein The third connection portion includes a second elastic member protruding from the outer wall of the fifth shell, the fourth connection portion is a second slot recessed into the inner wall of the fourth installation cavity, the position of the second elastic member corresponds to the second slot, and in the process of the fifth shell entering the fourth installation cavity of the fourth shell, the second elastic member is first compressed and deformed by the inner wall of the fourth installation cavity of the fourth shell, and when reaching the end of the stroke, the second elastic member reaches the position of the second slot and elastically recovers, and then at least partially enters the second slot; or The third connecting portion includes a second card slot recessed into the outer wall of the fifth shell, and the fourth connecting portion is a second elastic member protruding from the inner wall of the fourth mounting cavity. The position of the second elastic member corresponds to the second card slot. In the process of the fifth shell entering the fourth mounting cavity of the fourth shell, the second elastic member is first compressed and deformed by the outer wall of the fifth shell. When reaching the end of the stroke, the second elastic member reaches the position of the second card slot and elastically recovers, thereby at least partially entering the second card slot.

19. The cable adapter according to claim 18, wherein, The outer wall of the fifth shell / the inner wall of the fourth installation cavity corresponding to the second elastic member has a second avoidance groove, and the second elastic member is a second elastic arm extending from one end of the second avoidance groove in a direction close to the third end or away from the third end. When the second elastic arm is not pressed, at least one side of the second avoidance groove is away from the bottom surface of the second avoidance groove and protrudes out of the outer wall of the fifth shell / the inner wall of the fourth installation cavity, and is spaced apart from the bottom of the second avoidance groove, and sinks into the second avoidance groove when pressed.

20. The cable adapter according to claim 19, characterized in that, A second clamping block is provided on the surface of the second elastic arm away from the bottom surface of the second avoidance groove, and the second clamping block is used for clamping with the second clamping groove.

21. The cable adapter according to claim 20, wherein, A side surface of the second engaging block facing away from the third end is a third inclined surface, and a side of the second engaging slot facing the third end is provided with a fourth inclined surface, and the third inclined surface and the fourth inclined surface are slidably matched to guide the second engaging block to the second engaging slot.

22. The cable adapter according to claim 17, wherein, The third connecting portion is connected to the fourth connecting portion by interference fit.

23. The cable adapter according to claim 15, characterized in that, The fifth shell has the same structure as the first shell.

24. The cable adapter according to claim 15, characterized in that, A third limiting guide portion is disposed on the outer wall of the fifth shell, and a fourth limiting guide portion is disposed on the inner wall of the fourth installation cavity of the fourth shell. The third limiting guide portion and the fourth limiting guide portion are used to guide the insertion.

25. The cable adapter according to claim 24, characterized in that, The third limiting guide portion includes a second strip protrusion protruding from the outer wall of the fifth shell, and the fourth limiting guide portion is a second guide groove on the inner wall of the fourth installation cavity. The position of the second strip protrusion corresponds to the second guide groove. During the process of the fifth shell entering the fourth installation cavity of the fourth shell, the second strip protrusion slides in the second guide groove, and when reaching the end of the stroke, the end of the second strip protrusion away from the third end abuts against the inner wall of the second guide groove; the second strip protrusion cooperates with the second guide groove to abut to limit the position and depth of the fifth shell inserted into the fourth installation cavity of the fourth shell; or The third limiting guide portion includes a second guide groove recessed into the outer wall of the fifth shell, and the fourth limiting guide portion is a second strip protrusion protruding from the inner wall of the fourth mounting cavity, the position of the second strip protrusion corresponds to the second guide groove, and in the process of the fifth shell entering the fourth mounting cavity of the fourth shell, the second strip protrusion slides in the second guide groove, and when reaching the end of the stroke, the end of the second strip protrusion toward the third end abuts against the inner wall of the second guide groove; the second strip protrusion cooperates and abuts against the second guide groove to limit the position and depth of the fifth shell inserted into the second mounting cavity of the fourth shell.

26. The cable adapter according to claim 25, wherein, The fifth housing is provided with a second mating portion, the second mating portion is provided at a position of the fifth housing close to the second insertion end, and the second mating portion is used for assembling and fixing the second cable plug.

27. The cable adapter according to claim 26, wherein The second matching portion is a second mounting hole. There are two second mounting holes which are oppositely arranged on two opposite inner walls of the second plug-in cavity.

28. The cable adapter according to claim 15, characterized in that, A fifth connection portion is provided on the inner wall of the fourth installation cavity of the fourth shell, a sixth connection portion is provided on the outer wall of the second shell, and the fourth shell and the second shell are detachably connected via the fifth connection portion and the sixth connection portion.

29. The cable adapter according to claim 28, wherein, The fifth connection portion includes a third elastic member protruding from the inner wall of the fourth installation cavity, the sixth connection portion is a third slot recessed into the outer wall of the second shell, the position of the third elastic member corresponds to the third slot, and when the second shell enters the fourth installation cavity of the fourth shell, the third elastic member is first compressed and deformed by the outer wall of the second shell, and when the third elastic member reaches the end of the stroke, it reaches the position of the third slot and elastically recovers, and then at least partially enters the third slot; or The fifth connecting part includes a third card slot recessed into the inner wall of the fourth mounting cavity, and the sixth connecting part is a third elastic member protruding from the outer wall of the second shell. The position of the third elastic member corresponds to the third card slot. In the process of the second shell entering the fourth mounting cavity of the fourth shell, the third elastic member is first compressed and deformed by the outer wall of the second shell. When reaching the end of the stroke, the third elastic member reaches the position of the third card slot and elastically recovers, thereby at least partially entering the third card slot.

30. The cable adapter according to claim 29, wherein, The outer wall of the second shell / the inner wall of the fourth installation cavity corresponding to the third elastic member has a third avoidance groove, and the third elastic member is a third elastic arm extending from one end of the third avoidance groove along the insertion direction or away from the insertion direction. When not pressed, the third elastic arm at least partially protrudes from the outer wall of the second shell / the inner wall of the fourth installation cavity away from one side of the bottom surface of the third avoidance groove, and is spaced apart from the bottom of the third avoidance groove, and at least partially sinks into the third avoidance groove when pressed.

31. The cable adapter according to claim 30, wherein A third clamping block is arranged on the surface of the third elastic arm away from the bottom surface of the third avoidance groove, and the third clamping block is used for clamping with the third clamping groove.

32. The cable adapter according to claim 31, wherein One side surface of the third clamping block facing the first end or the third end is a fifth inclined surface, and one side surface of the third clamping groove facing away from the third end or the first end is provided with a sixth inclined surface. The fifth inclined surface and the sixth inclined surface are in sliding fit. During the process of the second housing entering the fourth installation cavity of the fourth housing, the third clamping block is guided to the third clamping groove; or during the process of the second housing separating from the fourth installation cavity of the fourth housing, the third clamping block is separated from the third clamping groove.

33. The cable adapter according to claim 28, wherein The fifth connecting portion and the sixth connecting portion are connected by an interference fit.

34. The cable adapter according to claim 30, wherein, A fifth limiting and guiding portion is provided on the outer wall of the second housing, and a sixth limiting and guiding portion is provided on the inner wall of the fourth installation cavity of the fourth housing. The fifth limiting and guiding portion and the sixth limiting and guiding portion are used to guide the insertion.

35. The cable adapter according to claim 34, characterized in that, The fifth limiting and guiding portion includes a third strip-shaped protrusion protruding from the outer wall of the second housing. The sixth limiting and guiding portion is a third guiding groove recessed in the inner wall of the fourth installation cavity. The position of the third strip-shaped protrusion corresponds to that of the third guiding groove. During the process of the second housing entering the fourth installation cavity of the fourth housing, the third strip-shaped protrusion slides in the third guiding groove. When reaching the end of the stroke, the end of the third strip-shaped protrusion facing away from the third end abuts against the inner wall of the third guiding groove. The third strip-shaped protrusion and the third guiding groove cooperate and abut to limit the position and depth of the second housing inserted into the fourth installation cavity of the fourth housing.

36. The cable adapter according to claim 35, characterized in that, An installation space is formed between the side wall of the third avoidance groove and the side wall of the adjacent third elastic arm. The installation space serves as the third guiding groove.

37. The cable adapter according to claim 34, wherein The fifth limiting and guiding portion includes a third guiding groove recessed in the outer wall of the second housing. The sixth limiting and guiding portion is a third strip-shaped protrusion protruding from the inner wall of the fourth installation cavity. The position of the third strip-shaped protrusion corresponds to that of the third guiding groove. During the process of the second housing entering the fourth installation cavity of the fourth housing, the third strip-shaped protrusion slides in the third guiding groove. When reaching the end of the stroke, the end of the third strip-shaped protrusion facing away from the insertion direction abuts against the inner wall of the third guiding groove. The third strip-shaped protrusion and the third guiding groove cooperate and abut to limit the position and depth of the second housing inserted into the fourth installation cavity of the fourth housing.

38. The cable adapter according to claim 4, characterized in that, A shielding assembly is connected to the first connecting end of the second housing. The shielding assembly is rotatably connected to the second housing, and the shielding assembly can at least selectively be in a first state of shielding the opening of the second installation cavity corresponding to the first connecting end, and in a second state of opening the opening of the second installation cavity corresponding to the first connecting end.

39. The cable adapter according to claim 38, characterized in that, The shielding component includes a shielding plate, a torsion spring, and a rotating shaft. The shielding plate is rotatably connected to the end of the first connection end of the second housing through the rotating shaft. The torsion spring is sleeved on the rotating shaft. One end of the torsion spring abuts against the shielding plate, and the other end abuts against the second housing, and keeps the shielding plate in the first state when the shielding plate is not subjected to external force.

40. The cable adapter according to claim 39, characterized in that, A force-receiving protrusion is provided on one side of the shielding plate adjacent to the end of the first connection end. The force-receiving protrusion protrudes from the outer wall of the second housing in the first state. During the process of the second housing being inserted into the fourth installation cavity of the fourth housing, the end of the second connection end of the fourth housing pushes the force-receiving protrusion, and the force-receiving protrusion is used to drive the shielding plate to rotate along the rotating shaft, so that the shielding plate is in the second state. An avoidance space is formed between the fourth housing and the fifth housing, so that the shielding plate is not interfered by the fifth housing during the process of changing from the first state to the second state.

41. The cable adapter according to claim 15, wherein, The third housing includes a third insertion end and a third connection end connected to the third insertion end. The third insertion end corresponds to the first end, and the third connection end corresponds to the second end. The third connection end is used for detachably connecting with the second adapter body.

42. The cable adapter according to claim 15, characterized in that, A seventh connection portion is provided on the outer wall of the second housing, and an eighth connection portion is provided on the inner wall of the third installation cavity of the third housing. The second housing and the third housing are detachably connected through the seventh connection portion and the eighth connection portion.

43. The cable adapter according to claim 42, characterized in that, The seventh connection portion includes a fourth elastic member protruding from the outer wall of the second housing, and the eighth connection portion is a fourth card slot recessed in the inner wall of the third installation cavity. The position of the fourth elastic member corresponds to that of the fourth card slot. During the process of the second housing entering the third installation cavity of the third housing, the fourth elastic member is first compressed and deformed by the inner wall of the third installation cavity of the third housing, and when reaching the end of the stroke, the fourth elastic member reaches the position of the fourth card slot and elastically returns, and then at least partially enters the fourth card slot.

44. The cable adapter according to claim 42, characterized in that, The seventh connection portion includes a fourth card slot recessed in the outer wall of the second housing, and the eighth connection portion is a fourth elastic member protruding from the inner wall of the third installation cavity. The position of the fourth elastic member corresponds to that of the fourth card slot. During the process of the second housing entering the third installation cavity of the third housing, the fourth elastic member is first compressed and deformed by the outer wall of the second housing, and when reaching the end of the stroke, the fourth elastic member reaches the position of the fourth card slot and elastically returns, and then at least partially enters the fourth card slot.

45. The cable adapter according to claim 44, wherein, A first card slot is provided on the side wall of the second housing. The first card slot is a through groove penetrating the inner wall surface and the outer wall surface of the second housing. The part of the through groove provided on the outer wall surface of the second housing serves as the fourth card slot.

46. The cable adapter according to claim 43 or 44, characterized in that, The outer wall of the second shell / the inner wall of the third installation cavity corresponding to the fourth elastic member has a fourth avoidance groove, and the fourth elastic member is a fourth elastic arm extending from one end of the fourth avoidance groove in a direction close to the first end or away from the first end. When not pressed, the fourth elastic arm at least partially protrudes from the outer wall of the second shell / the inner wall of the third installation cavity away from one side of the bottom surface of the fourth avoidance groove, and is spaced apart from the bottom of the fourth avoidance groove, and sinks into the fourth avoidance groove when pressed.

47. The cable adapter according to claim 46, characterized in that, A fourth clamping block is arranged on the surface of the fourth elastic arm away from the bottom surface of the fourth avoidance groove, and the fourth clamping block is used to be clamped with the fourth clamping groove.

48. The cable adapter according to claim 47, wherein, The surface of the fourth engaging block facing away from the first end is a seventh inclined surface, and the first engaging slot is provided with an eighth inclined surface on the side facing the first end. The seventh inclined surface and the eighth inclined surface are slidably matched to guide the fourth engaging block to the fourth engaging slot.

49. The cable adapter according to claim 42, characterized in that, The seventh connecting portion is connected to the eighth connecting portion by interference fit.

50. The cable adapter according to claim 1, characterized in that, A seventh limiting guide portion is disposed on the outer wall of the second shell, and an eighth limiting guide portion is disposed on the inner wall of the third installation cavity of the third shell. The seventh limiting guide portion and the eighth limiting guide portion are plugged into each other correspondingly.

51. The cable adapter according to claim 50, characterized in that, The seventh limiting guide portion includes a fourth strip-shaped protrusion protruding from the outer wall of the second shell, and the eighth limiting guide portion is a fourth guide groove on the inner wall of the third installation cavity. The position of the fourth strip-shaped protrusion corresponds to the fourth guide groove. When the second shell enters the third installation cavity of the third shell, the fourth strip-shaped protrusion slides in the fourth guide groove. When the second shell reaches the end of the stroke, the end of the fourth strip-shaped protrusion close to the first end abuts against the inner wall of the fourth guide groove; the fourth strip-shaped protrusion cooperates with the fourth guide groove to abut to limit the position and depth of the second shell inserted into the third installation cavity of the third shell; or The seventh limiting guide portion includes a fourth guide groove recessed into the outer wall of the second shell body, and the second limiting guide portion is a fourth strip protrusion protruding from the inner wall of the third mounting cavity, and the position of the fourth strip protrusion corresponds to the fourth guide groove. In the process of the second shell body entering the third mounting cavity of the third shell body, the fourth strip protrusion slides in the fourth guide groove, and when reaching the end of the stroke, the end of the fourth strip protrusion away from the first end abuts against the inner wall of the fourth guide groove; the fourth strip protrusion cooperates with the fourth guide groove to abut to limit the position and depth of the second shell body inserted into the second mounting cavity of the third shell body.

52. The cable adapter according to claim 15, characterized in that, The length of the third shell along the insertion direction is smaller than the length of the second shell, and the portion of the second shell close to the second end is exposed to the outside of the third shell. The second shell is inserted into the fourth installation cavity, and the outer wall of the second shell is lower than the outer wall of the fourth shell, forming a low-lying area on one side of the outer wall of the second shell. The low-lying area of the second shell is installed in the third shell, and the outer wall of the third shell is flush with the outer wall of the fourth shell.

53. The cable adapter according to claim 1, wherein A positioning component is provided on the end face of the connection end of the first housing, and the positioning component is used to connect with the alignment component provided on the second adapter body.

54. The cable adapter according to claim 53, characterized in that, The positioning component includes positioning posts, and the alignment component includes positioning holes, and the positioning posts are inserted into the positioning holes; or the positioning component includes positioning holes, the alignment component includes positioning posts, and the positioning posts are inserted into the positioning holes; or the positioning component includes a first positioning hole and a first positioning post, the alignment component includes a second positioning post and a second positioning hole, the first positioning post is inserted into the second positioning hole, and the second positioning post is inserted into the first positioning hole.

55. The cable adapter according to claim 1, wherein The first insertion cavity and / or the second insertion cavity are used for directly plugging and mating with the circuit board of the first cable plug, and both the first cable plug and the second cable plug are cable plugs.

56. A cable adapter, characterized in that, The cable adapter includes: a first adapter body, the first adapter body includes a first end and a second end connected to the first end, the first adapter body has a first insertion cavity penetrating through the first end and the second end, and the first insertion cavity is used for inserting a first cable plug; wherein, the first adapter body is detachably connected to a second adapter body into which a second cable plug is inserted; the first adapter body includes a first housing and a second housing, a second installation cavity is formed in the second housing, and the second installation cavity is used for accommodating the first housing, the first insertion cavity is formed in the first housing, and the first housing and the second housing are detachably connected; the size of the cross-section of the first housing is smaller than the size of the cross-section of the second installation cavity; the first adapter body further includes a third housing, a third installation cavity is formed in the third housing, and the third installation cavity is used for accommodating the second housing, and the third housing and the second housing are detachably connected.

57. The cable adapter according to claim 56, wherein, The first housing includes a first insertion end and a first coupling end connected to the first insertion end, the second housing includes a first receiving end and a first connection end connected to the first receiving end, the first insertion end and the first receiving end correspond to the first end, the first coupling end and the first connection end correspond to the second end, and the first connection end is used for detachably connecting with the second adapter body.

58. The cable adapter according to claim 57, wherein A first connection portion is provided on the outer wall of the first housing, and a second connection portion is provided on the inner wall of the second installation cavity of the second housing, and the second housing and the first housing are detachably connected through the first connection portion and the second connection portion.

59. The cable adapter according to claim 58, wherein The first connecting part includes a first elastic member protruding from the outer wall of the first housing, and the second connecting part is a first clamping groove on the inner wall of the second installation cavity. The position of the first elastic member corresponds to that of the first clamping groove. During the process of the first housing entering the second installation cavity of the second housing, the first elastic member is first pressed and deformed by the inner wall of the second installation cavity of the second housing. When reaching the end of the stroke, the first elastic member reaches the position of the first clamping groove and elastically returns, and then at least partially enters the first clamping groove; or The first connecting part includes a first clamping groove recessed in the outer wall of the first housing, and the second connecting part is a first elastic member on the inner wall of the second installation cavity. The position of the first elastic member corresponds to that of the first clamping groove. During the process of the first housing entering the second installation cavity of the second housing, the first elastic member is first pressed and deformed by the outer wall of the first housing. When reaching the end of the stroke, the first elastic member reaches the position of the first clamping groove and elastically returns, and then at least partially enters the first clamping groove.

60. A cable adapter, characterized in that, The cable adapter includes: a second adapter body, the second adapter body includes a third end and a fourth end connected to the first end. The second adapter body has a second insertion cavity penetrating through the third end and the fourth end, and the second insertion cavity is used for inserting a second cable plug to achieve optical coupling with the first cable plug; Wherein, the second adapter body is detachably connected to the first adapter body into which the first cable plug is inserted; The first adapter body includes a first housing and a second housing. A second installation cavity is formed in the second housing, and the second installation cavity is used for accommodating the first housing. A first insertion cavity is formed in the first housing, and the first housing and the second housing are detachably connected; the size of the cross-section of the first housing is smaller than the size of the cross-section of the second installation cavity; the first insertion cavity is used for inserting the first cable plug; The first adapter body further includes a third housing. A third installation cavity is formed in the third housing, and the third installation cavity is used for accommodating the second housing. The third housing and the second housing are detachably connected.

61. The cable adapter according to claim 60, characterized in that, The second adapter body includes a fourth housing and a fifth housing. A fourth installation cavity is formed in the fourth housing, and the fourth installation cavity is used for accommodating the fifth housing. The second insertion cavity is formed in the fifth housing, and the fourth housing and the fifth housing are detachably connected.

62. The cable adapter according to claim 61, wherein, A third connecting part is provided on the outer wall of the fifth housing, and a fourth connecting part is provided on the inner wall of the fourth installation cavity of the fourth housing. The fourth housing and the fifth housing are detachably connected through the third connecting part and the fourth connecting part.

63. The cable adapter according to claim 62, characterized in that, The third connecting portion includes a second elastic member protruding from the outer wall of the fifth housing, and the fourth connecting portion is a second card slot recessed in the inner wall of the fourth installation cavity. The position of the second elastic member corresponds to that of the second card slot. During the process of the fifth housing entering the fourth installation cavity of the fourth housing, the second elastic member is first compressed and deformed by the inner wall of the fourth installation cavity of the fourth housing. When reaching the end of the stroke, the second elastic member reaches the position of the second card slot and elastically returns, and then at least partially enters the second card slot; or The third connecting portion includes a second card slot recessed in the outer wall of the fifth housing, and the fourth connecting portion is a second elastic member protruding from the inner wall of the fourth installation cavity. The position of the second elastic member corresponds to that of the second card slot. During the process of the fifth housing entering the fourth installation cavity of the fourth housing, the second elastic member is first compressed and deformed by the outer wall of the fifth housing. When reaching the end of the stroke, the second elastic member reaches the position of the second card slot and elastically returns, and then at least partially enters the second card slot.

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