Compatible pre-terminating connector

Abstract

The invention discloses a compatible pre-terminating connector which comprises a basic assembly and a switching assembly, and the switching assembly and the basic assembly are assembled so as to be used for intercommunication connection between different pre-terminating adapters. The basic assembly is composed of a dustproof cap, a ceramic insertion core, an insertion core tail handle, a spring, a stop dog, a sealing ring, a rubber blocking piece, a heat-shrinkable sleeve and an optical cable, one end of the ceramic insertion core is arranged at one end of the insertion core tail handle, the insertion core tail handle is arranged at one end of the stop dog, and the optical cable is arranged at the other end of the stop dog; and the heat-shrinkable sleeve wraps the outer sides of the stopper and the optical cable. The invention relates to the technical field of communication. According to the compatible pre-terminating connector, through cooperative arrangement of the basic assembly and the switching assembly, the compatible pre-terminating connector can be intercommunicated with pre-terminating adapters of most manufacturers in the market for use, the compatible pre-terminating connector is simple in structure, convenient to operate and high in compatibility, and the application range of the pre-terminating connector is greatly widened.

Description

Technical Field

[0001] The invention relates to the field of communication technology, and in particular to a compatible pre-terminated connector. Background Art

[0002] In the process of building fiber-to-the-home, on-site quick connectors or fiber hot-melt methods are usually used to connect fiber optical paths. When using quick connectors to connect fiber optical paths on site, there are high requirements for the operator's skill level and the quality of fiber connection cannot be well guaranteed; when using fiber hot-melt methods to connect fiber optical paths, a fusion splicer is required, which is inconvenient to operate and inefficient.

[0003] In order to reduce the operational difficulty of laying cables in the home section of the fiber-to-the-home network and improve the wiring efficiency, the connection between the home fiber and the fiber splitter box and the user terminal box can be achieved through fiber pre-terminated products. At present, many manufacturers have launched fiber pre-terminated products on the market, but pre-terminated products have not formed a unified industry standard. The pre-terminated connector structures of various manufacturers are quite different. The pre-terminated connector of a certain manufacturer can only be connected to the pre-terminated adapter of the same manufacturer, and cannot be connected to the pre-terminated adapter of other manufacturers, which causes a certain degree of inconvenience to the wiring construction. Therefore, in view of the above shortcomings, the present invention makes the following improvements. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a compatible pre-terminated connector, which solves the problems mentioned in the background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a compatible pre-terminated connector, comprising a basic component and a transfer component, which is used for intercommunication between different pre-terminated adapters by assembling the transfer component with the basic component;

[0006] The basic component consists of a dust cap, a ceramic ferrule, a ferrule tail handle, a spring, a stopper, a sealing ring, a blocking film, a heat shrink sleeve and an optical cable. One end of the ceramic ferrule is arranged at one end of the ferrule tail handle, and the ferrule tail handle is arranged at one end of the stopper. The optical cable is arranged at the other end of the stopper, and the heat shrink sleeve is wrapped around the outside of the stopper and the optical cable.

[0007] Preferably, a step is provided on the surface of the ferrule tail handle, and a first slope is provided on one side of the step, the step and the inner wall of the stopper form a clamping structure for limiting the ferrule tail handle to prevent the ferrule tail handle from escaping from one end of the stopper, a plurality of through grooves are provided on the surface of the ferrule tail handle, a plurality of claws are provided at one end of the stopper, and the claws and the through grooves are adapted to each other, the claws are used to limit the ferrule tail handle to prevent the ferrule tail handle from rotating, and the spring is provided between the stopper and the ferrule tail handle.

[0008] Preferably, the sealing ring is sleeved on the surface of the stopper, the surface of the stopper is provided with a sloped boss, the surface of the stopper is provided with a long strip groove, and the long strip groove is used for fool-proof positioning during assembly, the other end of the stopper is provided with a through hole, and the through hole is used for injecting sealing glue, the blocking film is provided at the other end of the stopper, and the blocking film is used to block the sealing glue, an optical fiber is provided inside the optical cable, and the optical fiber passes through the blocking film and extends to the inside of the stopper, the surface of the stopper is provided with an external thread, the inside of the dust cap is provided with an internal thread matched with the external thread, and the surface of the dust cap is provided with a circular hole.

[0009] Preferably, a tail sleeve is further included, and an internal thread is arranged inside the tail sleeve.

[0010] Preferably, the adapter assembly includes a first main shaft and a first outer shell, the interior of the first main shaft is respectively provided with a first guide cam and a first limit cam, the first guide concave key is adapted to the elongated groove, the first limit cam is adapted to the through groove, a first square hole is provided at one end of the first main shaft, and the first square hole is adapted to the ramp boss, and an external thread adapted to the tail sleeve is provided at one end of the first main shaft.

[0011] Preferably, the adapter assembly includes a second main shaft, a second outer shell and a first inner frame sleeve, the interior of the second main shaft is respectively provided with a second guide cam and a second limit cam, the second guide concave key is adapted to the elongated groove, the second limit cam is adapted to the through groove, a second square hole is provided at one end of the second main shaft, and the second square hole is adapted to the ramp boss, and an external thread adapted to the tail sleeve is provided at one end of the second main shaft.

[0012] Preferably, the adapter assembly includes a third main shaft and a third outer shell, and the interior of the third main shaft is respectively provided with a third guide cam and a third limit cam, the third guide concave key is matched with the elongated groove, and the third limit cam is matched with the through groove, a third rectangular hole is opened at one end of the third main shaft, and the third rectangular hole is matched with the ramp boss, and an external thread matched with the tail sleeve is provided at one end of the first main shaft.

[0013] Preferably, the adapter assembly includes a fourth main shaft, a fourth outer shell and a second inner frame sleeve, and the interior of the fourth main shaft is respectively provided with a fourth guide cam and a fourth limit cam, the fourth guide concave key is adapted to the elongated groove, the fourth limit cam is adapted to the through groove, a fourth square hole is provided at one end of the fourth main shaft, and the fourth square hole is adapted to the ramp boss, and an external thread adapted to the tail sleeve is provided at one end of the fourth main shaft.

[0014] Preferably, the adapter assembly includes a fifth main shaft and a fifth outer shell, and the interior of the fifth main shaft is respectively provided with a fifth guide cam and a fifth limit cam, the fifth guide concave key is matched with the elongated groove, the fifth limit cam is matched with the through groove, a fifth square hole is opened at one end of the fifth main shaft, and the fifth square hole is matched with the ramp boss, and an external thread matched with the tail sleeve is provided at one end of the fifth main shaft.

[0015] Preferably, the adapter assembly includes a sixth main shaft, a sixth outer shell and a third inner frame sleeve, and the interior of the sixth main shaft is respectively provided with a sixth guide cam and a sixth limit cam, the sixth guide concave key is adapted to the elongated groove, the sixth limit cam is adapted to the through groove, a sixth square hole is provided at one end of the sixth main shaft, and the sixth square hole is adapted to the ramp boss, and an external thread adapted to the tail sleeve is provided at one end of the sixth main shaft.

[0016] Beneficial Effects

[0017] The present invention provides a compatible pre-terminated connector, which has the following beneficial effects compared with the prior art:

[0018] (1) The compatible pre-terminated connector can be interoperable with pre-terminated adapters of most manufacturers on the market through the matching arrangement of the basic components and the adapter components. It has a simple structure, convenient operation, and strong compatibility, which greatly improves the application scope of the pre-terminated connector.

[0019] (2) The compatible pre-terminated connector has a round hole on the dust cap, and a traction rope can be fixed at the round hole during on-site construction. By pulling the traction rope, the basic component can be passed through the pipe in the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the assembly of the basic components of the present invention;

[0021] Figure 2 This is a schematic diagram of the basic assembly of the present invention after removing the dust cap;

[0022] Figure 3 It is an exploded schematic diagram of the basic components of the present invention;

[0023] Figure 4 This is the overall structure diagram of compatible solution 1;

[0024] Figure 5 This is a schematic diagram of the decomposition of compatible solution 1;

[0025] Figure 6 This is the overall structure diagram for compatibility with solution 2;

[0026] Figure 7This is a schematic diagram for the decomposition of compatible solution 2;

[0027] Figure 8 This is the overall structure diagram of compatible solution three;

[0028] Fig. 9 This is a schematic diagram of the three decompositions of the compatible solution;

[0029] Fig.10 This is the overall structure diagram of compatible solution 4;

[0030] Fig.11 This is a decomposition diagram of compatible solution 4;

[0031] Fig.12 This is the overall structure diagram of compatible solution 5;

[0032] Fig.13 This is a decomposition diagram of compatible solution five;

[0033] Fig.14 This is the overall structure diagram of compatible solution 6;

[0034] Fig.15 This is a schematic diagram of the decomposition of compatible solution six.

[0035] In the figure: 1, optical cable; 2, heat shrink tubing; 3, film stopper; 4, sealing ring; 5, stopper; 6, spring; 7, ferrule tail handle; 8, ceramic ferrule; 9, dust cap; 101, basic assembly; 102, tail sleeve; 103, first main axis; 104, first outer shell; 201, second main axis; 202, first inner frame sleeve; 203, second outer shell; 301, third main axis; 302, third outer shell; 401, fourth outer shell; 402, second inner frame sleeve; 403, fourth main axis; 501, fifth outer shell; 502, fifth main axis; 601, sixth outer shell; 602, third inner frame sleeve; 603, sixth main axis. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Embodiment 1

[0038] See also Figures 1 to 3 As shown, the present invention provides a technical solution, and the specific improvements are as follows:

[0039] A compatible pre-terminated connector includes a basic component 101 and an adapter component, and also includes a tail sleeve 102, wherein the tail sleeve 102 is provided with internal threads. The adapter component is assembled with the basic component 101 to be used for interconnection between different pre-terminated adapters. The basic component 101 is prefabricated in a factory, and then a variety of adapter components are provided. Each adapter component corresponds to a pre-terminated adapter of a manufacturer. After the basic component 101 is assembled with the adapter component, it can be interconnected with the adapter of the corresponding manufacturer. The adapter component can be assembled on the construction site;

[0040] The basic assembly 101 is composed of a dust cap 9, a ceramic ferrule 8, a ferrule tail handle 7, a spring 6, a stopper 5, a sealing ring 4, a blocking film 3, a heat shrink sleeve 2 and an optical cable 1;

[0041] One end of the ceramic ferrule 8 is arranged at one end of the ferrule tail handle 7, and the ferrule tail handle 7 is arranged at one end of the stopper 5, and the optical cable 1 is arranged at the other end of the stopper 5. The heat shrinkable tube 2 is wrapped around the outside of the stopper 5 and the optical cable 1, and the heat shrinkable tube 2 partially wraps the stopper 5 and partially wraps the optical cable 1. The inner wall of the heat shrinkable tube 2 contains hot melt adhesive, and the gap between the stopper 5 and the optical cable 1 is completely sealed after heating. The surface of the ferrule tail handle 7 is provided with a step, and one side of the step is provided with a first slope, and the step is provided with a first slope. The inner wall of the stopper 5 forms a clamping structure, which is used to limit the ferrule tail handle 7 to prevent the ferrule tail handle 7 from escaping from one end of the stopper 5. The surface of the ferrule tail handle 7 is provided with three through grooves, and one end of the stopper 5 is provided with two claws, and the claws and the through grooves are adapted to each other, and the size of the claws is slightly smaller than the size of the through grooves. The claws are used to limit the ferrule tail handle 7 to prevent the ferrule tail handle 7 from rotating. The spring 6 is arranged between the stopper 5 and the ferrule tail handle 7, and the inner diameter of the spring 6 is slightly larger than the outer diameter of the ferrule tail handle 7. The outer diameter is slightly smaller than the inner diameter of the stopper 5. There is a certain gap between the core tail handle 7 and the stopper 5 in the axial direction, so that the core tail handle 7 can move back and forth under the action of the spring 6 when subjected to axial pressure. The sealing ring 4 is sleeved on the surface of the stopper 5. The surface of the stopper 5 is provided with a slope boss. The surface of the stopper 5 is provided with a long strip groove, and the long strip groove is used for foolproof positioning during assembly. The other end of the stopper 5 is provided with a through hole, and the through hole is used for injection of sealing glue. The blocking film 3 is provided on the stopper. The other end of the device 5, and the blocking film 3 is used to block the sealing glue, the optical cable 1 is provided with an optical fiber inside, and the optical fiber passes through the blocking film 3 and extends to the inside of the stopper 5, the blocking film 3 is provided with a small hole for the optical fiber to pass through, the surface of the stopper 5 is provided with an external thread, the interior of the dust cap 9 is provided with an internal thread matched with the external thread, and the surface of the dust cap 9 is provided with a round hole, during on-site construction, the traction rope can be fixed at this round hole, and the traction rope is pulled to realize the function of the basic component 101 passing through the pipe in the wall.

[0042] Embodiment 2

[0043] Based on Example 1, please refer to Figure 4 and Figure 5 The specific improvements are as follows:

[0044] The adapter assembly includes a first spindle 103 and a first housing 104. The first spindle 103 is provided with a first guide convex key and a first limit convex key, respectively. The first guide concave key is adapted to the long strip groove, and the first limit convex key is adapted to the through groove. A first square hole is provided at one end of the first spindle 103, and the first square hole is adapted to the ramp boss. An external thread adapted to the tail sleeve 102 is provided at one end of the first spindle 103. After the thread is locked, the tail of the first spindle 103 is clamped and limited by the thread and can no longer be deformed to the two outer sides, thereby enhancing the axial tensile strength.

[0045] The base component 101 is assembled with the adapter component. The dust cap 9 is first removed, and the tail sleeve 102 is sleeved on the surface of the base component 101. The first main shaft 103 is sleeved on the surface of the base component 101 from one end of the ceramic ferrule 8, so that the first guide convex key inside the first main shaft 103 is inserted into the long strip groove on the stopper 5, which can limit the direction of the stopper 5 in the first main shaft 103. At the same time, the first limiting convex key is inserted into the through groove on the ferrule tail handle 7, which can limit the direction of the ferrule tail handle 7 in the first main shaft 103, preventing the stopper from being moved. The actuator 5 rotates in the first spindle 103, and after the ramp boss is buckled into the first square hole, the stopper 5 will be restricted and will not withdraw from the first spindle 103. A rectangular notch is provided at one end of the first spindle 103. The rectangular notch allows one end of the first spindle 103 to deform outward when the stopper 5 is assembled with the first spindle 103, which is conducive to the ramp boss being buckled into the first square hole. Finally, the first housing 104 is sleeved on the base assembly 101 from one end of the ceramic ferrule 8 and assembled with the first spindle 103 by snap-fitting.

[0046] Embodiment 3

[0047] Based on Example 1, please refer to Figure 6 and Figure 7 The specific improvements are as follows:

[0048] The adapter assembly includes a second spindle 201, a second outer shell 203 and a first inner frame sleeve 202. The second spindle 201 is provided with a second guide convex key and a second limit convex key, respectively. The second guide concave key is adapted to the long strip groove, and the second limit convex key is adapted to the through groove. A second square hole is provided at one end of the second spindle 201, and the second square hole is adapted to the ramp boss. An external thread adapted to the tail sleeve 102 is provided at one end of the second spindle 201. After the thread is locked, the tail of the second spindle 201 is clamped and limited by the thread and can no longer be deformed to the two outer sides, thereby enhancing the axial tensile strength.

[0049] The base component 101 is assembled with the adapter component. The dust cap 9 is removed first, and the tail sheath 102 is sleeved on the surface of the base component 101. The second housing 203 is passed through the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, it is not necessary to assemble with the base component 101, and move in the direction of the optical cable 1 to leave space for the assembly of the second main shaft 201. Then, the second main shaft 201 is sleeved on the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, the second guide convex key inside the second main shaft 201 is inserted into the long strip groove on the stopper 5, which can limit the direction of the stopper 5 in the second main shaft 201. At the same time, the second limit convex key is inserted into the through groove on the ferrule tail handle 7, which can limit The fixed ferrule tail handle 7 is in the direction of the second main shaft 201 to prevent the stopper 5 from rotating in the second main shaft 201. At the same time, after the ramp boss is buckled into the second square hole, the stopper 5 will be restricted and will not withdraw from the second main shaft 201. A rectangular notch is provided at one end of the second main shaft 201. The rectangular notch allows one end of the second main shaft 201 to deform outward when the stopper 5 is assembled with the second main shaft 201, which is conducive to the ramp boss buckling into the second square hole, and the first inner frame sleeve 202 is moved toward the direction of the ceramic ferrule 8 and snap-fitted with the second main shaft 201. The second outer shell 203 is passed from one end of the ceramic ferrule 8 to the basic component 101, and the first inner frame sleeve 202 is snap-fitted.

[0050] Embodiment 4

[0051] Based on Example 1, please refer to Figure 8 and Fig. 9 The specific improvements are as follows:

[0052] The adapter assembly includes a third main shaft 301 and a third housing 302. The third main shaft 301 is provided with a third guide convex key and a third limit convex key, respectively. The third guide concave key is adapted to the long strip groove, and the third limit convex key is adapted to the through groove. A third rectangular hole is provided at one end of the third main shaft 301, and the third rectangular hole is adapted to the ramp boss. An external thread adapted to the tail sleeve 102 is provided at one end of the first main shaft 103. After the thread is locked, the tail of the second main shaft 201 is clamped and limited by the thread and can no longer be deformed to the two outer sides, thereby enhancing the axial tensile strength.

[0053] The base component 101 is assembled with the adapter component. The dust cap 9 is removed first, and the tail sheath 102 is sleeved on the surface of the base component 101. The third housing 302 is passed through the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, it is not necessary to assemble with the base component 101, and move in the direction of the optical cable 1 to leave space for the assembly of the third main shaft 301. Then, the third main shaft 301 is sleeved on the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, the third guide convex key inside the third main shaft 301 is inserted into the long strip groove on the stopper 5, which can limit the direction of the stopper 5 in the third main shaft 301. At the same time, the third limit convex key The key is inserted into the through groove on the ferrule tail handle 7, which can limit the direction of the ferrule tail handle 7 in the third main shaft 301 and prevent the stopper 5 from rotating in the third main shaft 301. At the same time, after the ramp boss is buckled into the third rectangular hole, the stopper 5 will be limited and will not withdraw from the third main shaft 301. A rectangular notch is provided at one end of the third main shaft 301. The rectangular notch allows one end of the third main shaft 301 to deform outward when the stopper 5 is assembled with the third main shaft 301, which is conducive to the ramp boss buckling into the third rectangular hole. Finally, the third housing 302 is sleeved on the base component 101 from one end of the ceramic ferrule 8 and is snap-fitted and assembled with the third main shaft 301.

[0054] Embodiment 5

[0055] Based on Example 1, please refer to Figure 10 to Figure 11 The specific improvements are as follows:

[0056] The adapter assembly includes a fourth main shaft 403, a fourth outer shell 401 and a second inner frame sleeve 402. The fourth main shaft 403 is provided with a fourth guide convex key and a fourth limit convex key, respectively. The fourth guide concave key is adapted to the long strip groove, and the fourth limit convex key is adapted to the through groove. A fourth square hole is provided at one end of the fourth main shaft 403, and the fourth square hole is adapted to the ramp boss. An external thread adapted to the tail sleeve 102 is provided at one end of the fourth main shaft 403. After the thread is locked, the tail of the second main shaft 201 is clamped and limited by the thread and can no longer be deformed to the two outer sides, thereby enhancing the axial tensile strength.

[0057] The base component 101 is assembled with the adapter component. The dust cap 9 is removed first, and the tail sheath 102 is sleeved on the surface of the base component 101. The fourth housing 401 is passed through the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, it is not necessary to assemble with the base component 101, and move in the direction of the optical cable 1 to leave space for the assembly of the fourth main shaft 403. Then, the fourth main shaft 403 is sleeved on the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, the fourth guide convex key inside the fourth main shaft 403 is inserted into the long strip groove on the stopper 5, which can limit the direction of the stopper 5 in the fourth main shaft 403. At the same time, the fourth limiting convex key is inserted into the through groove on the ferrule tail handle 7, which can limit The direction of the fixed ferrule tail handle 7 in the fourth main shaft 403 is prevented from rotating in the fourth main shaft 403. At the same time, after the ramp boss is buckled into the fourth square hole, the stopper 5 will be restricted and will not withdraw from the fourth main shaft 403. A rectangular notch is provided at one end of the fourth main shaft 403. The rectangular notch allows one end of the fourth main shaft 403 to deform outward when the stopper 5 is assembled with the fourth main shaft 403, which is conducive to the ramp boss buckling into the fourth square hole, and the second inner frame sleeve 402 is moved toward the direction of the ceramic ferrule 8 and snap-fitted with the fourth main shaft 403. The fourth shell 401 is passed from one end of the ceramic ferrule 8 to the basic component 101 and snap-fitted with the fourth main shaft 403.

[0058] Embodiment 6

[0059] Based on Example 1, please refer to Fig.12 and Fig.13 The specific improvements are as follows:

[0060] The adapter assembly includes a fifth main shaft 502 and a fifth housing 501. The fifth main shaft 502 is provided with a fifth guide convex key and a fifth limit convex key, respectively. The fifth guide concave key is adapted to the long strip groove, and the fifth limit convex key is adapted to the through groove. A fifth square hole is provided at one end of the fifth main shaft 502, and the fifth square hole is adapted to the ramp boss. An external thread adapted to the tail sleeve 102 is provided at one end of the fifth main shaft 502. After the thread is locked, the tail of the second main shaft 201 is clamped and limited by the thread and can no longer be deformed to the two outer sides, thereby enhancing the axial tensile strength.

[0061] The base component 101 is assembled with the adapter component. The dust cap 9 is removed first, and the tail sheath 102 is sleeved on the surface of the base component 101. The fifth housing 501 is passed through the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, it is not necessary to assemble with the base component 101, and move in the direction of the optical cable 1 to leave space for the assembly of the fifth main shaft 502. Then, the fifth main shaft 502 is sleeved on the surface of the base component 101 from one end of the ceramic ferrule 8. At this time, the fifth guide convex key inside the fifth main shaft 502 is inserted into the long strip groove on the stopper 5, which can limit the direction of the stopper 5 in the fifth main shaft 502. At the same time, the fifth limit convex key The key is inserted into the through groove on the ferrule tail handle 7, which can limit the direction of the ferrule tail handle 7 in the fifth main shaft 502 and prevent the stopper 5 from rotating in the fifth main shaft 502. At the same time, after the ramp boss is buckled into the fifth square hole, the stopper 5 will be limited and will not withdraw from the fifth main shaft 502. A rectangular notch is provided at one end of the fifth main shaft 502. The rectangular notch allows one end of the fifth main shaft 502 to deform outward when the stopper 5 is assembled with the fifth main shaft 502, which is conducive to the buckling of the ramp boss into the fifth square hole. Finally, the fifth housing 501 is sleeved on the basic component 101 from one end of the ceramic ferrule 8 and is snap-fitted and assembled with the fifth main shaft 502.

[0062] Embodiment 7

[0063] Based on Example 1, please refer to Fig.14 and Fig.15 The specific improvements are as follows:

[0064] The adapter assembly includes a sixth main shaft 603, a sixth outer shell 601 and a third inner frame sleeve 602. The sixth main shaft 603 is provided with a sixth guide convex key and a sixth limit convex key inside, respectively. The sixth guide concave key is adapted to the long strip groove, and the sixth limit convex key is adapted to the through groove. A sixth square hole is provided at one end of the sixth main shaft 603, and the sixth square hole is adapted to the ramp boss. An external thread adapted to the tail sleeve 102 is provided at one end of the sixth main shaft 603. After the thread is locked, the tail of the second main shaft 201 is clamped and limited by the thread and can no longer deform to the two outer sides, thereby enhancing the axial tensile strength.

[0065] The basic component 101 is assembled with the adapter component. First, the dust cap 9 is removed, and the tail sheath 102 is sleeved on the surface of the basic component 101. The sixth housing 601 is passed through the surface of the basic component 101 from one end of the ceramic ferrule 8. At this time, it is not necessary to assemble with the basic component 101, and move in the direction of the optical cable 1 to leave space for the assembly of the sixth main shaft 603. Then, the sixth main shaft 603 is sleeved on the surface of the basic component 101 from one end of the ceramic ferrule 8. At this time, the sixth guide convex key inside the sixth main shaft 603 is inserted into the long strip groove on the stopper 5, which can limit the direction of the stopper 5 in the sixth main shaft 603. At the same time, the sixth limiting convex key is inserted into the through groove on the ferrule tail handle 7, which can limit the ferrule tail handle 7 in the sixth main shaft 603, preventing the stopper 5 from rotating in the sixth main shaft 603. At the same time, after the ramp boss is buckled into the sixth square hole, the stopper 5 will be restricted and will not withdraw from the sixth main shaft 603. A rectangular notch is provided at one end of the sixth main shaft 603. The rectangular notch allows one end of the sixth main shaft 603 to deform outward when the stopper 5 is assembled with the sixth main shaft 603, which is conducive to the ramp boss buckling into the sixth square hole. The third inner frame sleeve 602 is moved toward the direction of the ceramic ferrule 8 and is snap-fitted and assembled with the sixth main shaft 603. The sixth shell 601 is passed from one end of the ceramic ferrule 8 to the basic component 101 and is snap-fitted and assembled with the sixth main shaft 603. The sixth shell 601 can rotate on the sixth main shaft 603.

[0066] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0067] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compatible pre-terminated connector, characterized in that: It comprises a basic component (101) and a switching component, and is used for interconnection between different pre-end adapters by assembling the switching component with the basic component (101); The basic component (101) is composed of a dust cap (9), a ceramic ferrule (8), a ferrule tail handle (7), a spring (6), a stopper (5), a sealing ring (4), a blocking film (3), a heat shrink sleeve (2) and an optical cable (1); one end of the ceramic ferrule (8) is arranged at one end of the ferrule tail handle (7), and the ferrule tail handle (7) is arranged at one end of the stopper (5); the optical cable (1) is arranged at the other end of the stopper (5), and the heat shrink sleeve (2) is wrapped around the outside of the stopper (5) and the optical cable (1).

2. A compatible pre-terminated connector according to claim 1, characterized in that: The surface of the ferrule tail handle (7) is provided with a step, and a first slope is provided on one side of the step. The step and the inner wall of the stopper (5) form a clamping structure for limiting the ferrule tail handle (7) to prevent the ferrule tail handle (7) from escaping from one end of the stopper (5). The surface of the ferrule tail handle (7) is provided with a plurality of through grooves. One end of the stopper (5) is provided with a plurality of claws, and the claws and the through grooves are adapted to each other. The claws are used to limit the ferrule tail handle (7) to prevent the ferrule tail handle (7) from rotating. The spring (6) is provided between the stopper (5) and the ferrule tail handle (7).

3. A compatible pre-terminated connector according to claim 2, characterized in that: The sealing ring (4) is sleeved on the surface of the stopper (5), and the surface of the stopper (5) is provided with a slope boss. The surface of the stopper (5) is provided with a long strip groove, and the long strip groove is used for foolproof positioning during assembly. The other end of the stopper (5) is provided with a through hole, and the through hole is used for injecting sealing glue. The blocking film (3) is provided at the other end of the stopper (5), and the blocking film (3) is used to block the sealing glue. The optical cable (1) is provided with an optical fiber inside, and the optical fiber passes through the blocking film (3) and extends to the inside of the stopper (5). The surface of the stopper (5) is provided with an external thread. The dust cap (9) is provided with an internal thread matching the external thread, and the surface of the dust cap (9) is provided with a circular hole.

4. A compatible pre-terminated connector according to claim 1, characterized in that: The invention also comprises a tail sleeve (102), and the interior of the tail sleeve (102) is provided with an internal thread.

5. A compatible pre-terminated connector according to claim 4, characterized in that: The adapter assembly comprises a first main shaft (103) and a first housing (104); a first guide convex key and a first limit convex key are respectively arranged inside the first main shaft (103); the first guide concave key is adapted to the long strip groove; the first limit convex key is adapted to the through groove; a first square hole is provided at one end of the first main shaft (103); the first square hole is adapted to the sloped boss; and an external thread adapted to the tail sleeve (102) is provided at one end of the first main shaft (103).

6. A compatible pre-terminated connector according to claim 4, characterized in that: The adapter assembly comprises a second main shaft (201), a second outer shell (203) and a first inner frame sleeve (202); a second guide convex key and a second limit convex key are respectively arranged inside the second main shaft (201); the second guide concave key is mutually compatible with the long strip groove; the second limit convex key is mutually compatible with the through groove; a second square hole is opened at one end of the second main shaft (201); the second square hole is mutually compatible with the slope boss; and an external thread that is compatible with the tail sleeve (102) is arranged at one end of the second main shaft (201).

7. A compatible pre-terminated connector according to claim 4, characterized in that: The adapter assembly comprises a third main shaft (301) and a third housing (302), wherein the interior of the third main shaft (301) is respectively provided with a third guide convex key and a third limit convex key, wherein the third guide concave key is mutually compatible with the long strip groove, and the third limit convex key is mutually compatible with the through groove, and a third rectangular hole is provided at one end of the third main shaft (301), and the third rectangular hole is mutually compatible with the slope boss, and an external thread that is compatible with the tail sleeve (102) is provided at one end of the first main shaft (103).

8. A compatible pre-terminated connector according to claim 4, characterized in that: The adapter assembly comprises a fourth main shaft (403), a fourth outer shell (401) and a second inner frame sleeve (402); a fourth guide convex key and a fourth limit convex key are respectively arranged inside the fourth main shaft (403); the fourth guide concave key is mutually compatible with the long strip groove; the fourth limit convex key is mutually compatible with the through groove; a fourth square hole is opened at one end of the fourth main shaft (403); the fourth square hole is mutually compatible with the slope boss; and an external thread that is compatible with the tail sleeve (102) is arranged at one end of the fourth main shaft (403).

9. A compatible pre-terminated connector according to claim 4, characterized in that: The adapter assembly comprises a fifth main shaft (502) and a fifth housing (501), wherein the interior of the fifth main shaft (502) is provided with a fifth guide convex key and a fifth limit convex key, respectively, wherein the fifth guide concave key is mutually compatible with the long strip groove, and the fifth limit convex key is mutually compatible with the through groove, and a fifth square hole is provided at one end of the fifth main shaft (502), and the fifth square hole is mutually compatible with the slope boss, and an external thread that is compatible with the tail sleeve (102) is provided at one end of the fifth main shaft (502).

10. A compatible pre-terminated connector according to claim 4, characterized in that: The adapter assembly comprises a sixth main shaft (603), a sixth outer shell (601) and a third inner frame sleeve (602); a sixth guide convex key and a sixth limit convex key are respectively arranged inside the sixth main shaft (603); the sixth guide concave key is mutually adapted to the long strip groove; the sixth limit convex key is mutually adapted to the through groove; a sixth square hole is opened at one end of the sixth main shaft (603); the sixth square hole is mutually adapted to the slope boss; and an external thread that is adapted to the tail sleeve (102) is arranged at one end of the sixth main shaft (603).

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