Compatible pre-terminating connector

Abstract

The utility model discloses a compatible pre-terminating connector, which comprises a basic assembly and a switching assembly, and is used for intercommunication connection among different pre-terminating adapters by assembling the switching assembly and the basic assembly. 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 utility model 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 utility model relates to communication technical field, concretely is a compatible pre-terminated connector. BACKGROUND

[0002] In the construction process of optical fiber access, the method of on-site quick connector or optical fiber hot melting is usually used to realize the connection of optical fiber optical path. When the quick connector is used to connect the optical fiber optical path on site, the skill level of the operator is required to be high, and the quality of the optical fiber connection cannot be well guaranteed. When the optical fiber hot melting method is used to connect the optical fiber optical path, a fusion machine needs to be used, which is inconvenient to operate and has low efficiency.

[0003] In order to reduce the operation difficulty of the in-home section cable laying process of the optical fiber to the house network and improve the wiring efficiency, the connection of the in-home optical fiber and the branch fiber box and the user terminal box can be realized through the optical fiber pre-terminated product. At present, many manufacturers on the market have launched optical fiber pre-terminated products, but the pre-terminated products have not formed a unified industry standard, and the pre-terminated connector structures of various manufacturers are quite different. The pre-terminated connector of a certain manufacturer can only be connected with the pre-terminated adapter of the same manufacturer, and cannot be connected with the pre-terminated adapter of other manufacturers, which causes a certain degree of inconvenience to the wiring construction. Therefore, in view of the above-mentioned deficiencies, the following improvements are made. SUMMARY

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

[0005] In order to achieve the above-mentioned purposes, the utility model is realized through the following technical scheme: a compatible pre-terminated connector, comprising a basic assembly and a switching assembly, which are assembled to realize the interconnection between different pre-terminated adapters.

[0006] The basic assembly is composed of a dustproof cap, a ceramic ferrule, a ferrule tail handle, a spring, a stopper, a sealing ring, a glue blocking sheet, 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. The heat shrink sleeve is wrapped outside the stopper and the optical cable.

[0007] Preferably, the surface of the ferrule tail handle is provided with a step, and one side of the step is provided with a first slope. The step and the inner wall of the stopper form a clamping structure for limiting the ferrule tail handle to prevent it from coming out of one end of the stopper. A plurality of through grooves are formed in the surface of the ferrule tail handle. A plurality of clamping claws are arranged at one end of the stopper, and the clamping claws and the through grooves are mutually matched. The clamping claws are used to limit the ferrule tail handle to prevent it from rotating. The spring is arranged between the stopper and the ferrule tail handle.

[0008] Preferably, the sealing ring is arranged on the surface of the stopper, the surface of the stopper is provided with a slope boss, the surface of the stopper is provided with a long slot for anti-fool positioning during assembly, the other end of the stopper is provided with a through hole for injecting sealing glue, the glue blocking piece is arranged on the other end of the stopper, and the glue blocking piece is used for blocking the sealing glue, the inside of the optical cable is provided with an optical fiber, and the optical fiber penetrates through the glue blocking piece 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 round hole.

[0009] Preferably, the tail sheath is further arranged, and the inside of the tail sheath is provided with an internal thread.

[0010] Preferably, the adapter assembly comprises a first main shaft and a first housing, the inside of the first main shaft is respectively provided with a first guide key and a first limiting key, the first guide key is matched with the long slot, the first limiting key is matched with the through slot, one end of the first main shaft is provided with a first square hole matched with the slope boss, and one end of the first main shaft is provided with an external thread matched with the tail sheath.

[0011] Preferably, the adapter assembly comprises a second main shaft, a second housing and a first inner frame sleeve, the inside of the second main shaft is respectively provided with a second guide key and a second limiting key, the second guide key is matched with the long slot, the second limiting key is matched with the through slot, one end of the second main shaft is provided with a second square hole matched with the slope boss, and one end of the second main shaft is provided with an external thread matched with the tail sheath.

[0012] Preferably, the adapter assembly comprises a third main shaft and a third housing, the inside of the third main shaft is respectively provided with a third guide key and a third limiting key, the third guide key is matched with the long slot, the third limiting key is matched with the through slot, one end of the third main shaft is provided with a third square hole matched with the slope boss, and one end of the first main shaft is provided with an external thread matched with the tail sheath.

[0013] Preferably, the adapter assembly comprises a fourth main shaft, a fourth housing and a second inner frame sleeve, the inside of the fourth main shaft is respectively provided with a fourth guide key and a fourth limiting key, the fourth guide key is matched with the long slot, the fourth limiting key is matched with the through slot, one end of the fourth main shaft is provided with a fourth square hole matched with the slope boss, and one end of the fourth main shaft is provided with an external thread matched with the tail sheath.

[0014] Preferably, the adapter assembly comprises a fifth main shaft and a fifth housing, the inner part of the fifth main shaft is respectively provided with a fifth guide key and a fifth limiting key, the fifth guide key is matched with the long slot, the fifth limiting key is matched with the through slot, one end of the fifth main shaft is provided with a fifth square hole matched with the inclined boss, and the outer thread matched with the tail sheath is arranged at one end of the fifth main shaft.

[0015] Preferably, the adapter assembly comprises a fifth main shaft and a fifth housing, the inner part of the fifth main shaft is respectively provided with a fifth guide key and a fifth limiting key, the fifth guide key is matched with the long slot, the fifth limiting key is matched with the through slot, one end of the fifth main shaft is provided with a fifth square hole matched with the inclined boss, and the outer thread matched with the tail sheath is arranged at one end of the fifth main shaft.

[0016] Advantages

[0017] The utility model provides a compatible pre-terminated connector. Compared with prior art, the following advantages are achieved

[0018] Advantages

[0019] (1) the compatible pre-terminated connector, through the cooperation of basic assembly and adapter assembly, can be used with most pre-terminated adapters in the market, which is simple in structure, convenient to operate, strong in compatibility and greatly improves the application range of the pre-terminated connector.

[0020] (2) the compatible pre-terminated connector, by being provided with a round hole on the dustproof cap, the traction rope can be fixed at the round hole during on-site construction, and the function of the basic assembly in the wall pipe is realized by pulling the traction rope. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the assembly schematic view of the basic assembly of the utility model;

[0022] Figure 2 It is the schematic view after the dustproof cap of the basic assembly of the utility model is removed;

[0023] Figure 3 It is the exploded schematic view of the basic assembly of the utility model;

[0024] Figure 4 It is the overall structure diagram of the compatible scheme one;

[0025] Figure 5 It is the exploded schematic view of the compatible scheme one;

[0026] Figure 6 It is the overall structure diagram of the compatible scheme two;

[0027] Figure 7 is a compatible solution two exploded schematic diagram;

[0028] Figure 8 is a compatible solution three overall structure diagram;

[0029] Figure 9 is a compatible solution three exploded schematic diagram;

[0030] Figure 10 is a compatible solution four overall structure diagram;

[0031] Figure 11 is a compatible solution four exploded schematic diagram;

[0032] Figure 12 is a compatible solution five overall structure diagram;

[0033] Figure 13 is a compatible solution five exploded schematic diagram;

[0034] Figure 14 is a compatible solution six overall structure diagram;

[0035] Figure 15 is a compatible solution six exploded schematic diagram.

[0036] In the figure: 1, optical cable; 2, heat shrink sleeve; 3, glue blocking piece; 4, sealing ring; 5, stopper; 6, spring; 7, ferrule tail handle; 8, ceramic ferrule; 9, dust cap; 101, basic assembly; 102, tail sheath; 103, first main shaft; 104, first housing; 201, second main shaft; 202, first inner frame sleeve; 203, second housing; 301, third main shaft; 302, third housing; 401, fourth housing; 402, second inner frame sleeve; 403, fourth main shaft; 501, fifth housing; 502, fifth main shaft; 601, sixth housing; 602, third inner frame sleeve; 603, sixth main shaft. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] Embodiment one

[0039] Please refer to Figures 1 to 3 The present application provides a technical solution, and the specific improvements are as follows:

[0040] A compatible pre-terminated connector, comprising a basic assembly 101 and an adapter assembly, further comprising a tail sheath 102, and the inside of the tail sheath 102 is provided with internal threads, and the adapter assembly is assembled with the basic assembly 101 for interconnection between different pre-terminated adapters, the basic assembly 101 is prefabricated in the factory, and then a plurality of adapter assemblies are provided, each adapter assembly corresponds to a pre-terminated adapter of a manufacturer, and the basic assembly 101 can be interconnected with the adapter of the corresponding manufacturer after being assembled with the adapter assembly, and the adapter assembly can be assembled on the construction site;

[0041] The basic assembly 101 is composed of a dustproof cap 9, a ceramic ferrule 8, a ferrule tail handle 7, a spring 6, a stopper 5, a sealing ring 4, a glue blocking piece 3, a heat shrink sleeve 2 and an optical cable 1;

[0042] 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, the heat shrink sleeve 2 is wrapped outside the stopper 5 and the optical cable 1, a part of the heat shrink sleeve 2 wraps the stopper 5, and a part of the heat shrink sleeve 2 wraps the optical cable 1, the inner wall of the heat shrink sleeve 2 contains hot melt glue, and after heating, the gap between the stopper 5 and the optical cable 1 is completely sealed, the surface of the ferrule tail handle 7 is provided with a step, one side of the step is provided with a first slope, the step and the inner wall of the stopper 5 form a clamping structure, which is used for limiting the ferrule tail handle 7 to prevent the ferrule tail handle 7 from being pulled out of one end of the stopper 5, three through grooves are arranged on the surface of the ferrule tail handle 7, two clamping claws are arranged at one end of the stopper 5, and the clamping claws and the through grooves are matched with each other, the size of the clamping claws is slightly smaller than the size of the through grooves, and the clamping claws are used for limiting 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, the inner diameter of the spring 6 is slightly larger than the outer diameter of the ferrule tail handle 7, the outer diameter of the spring 6 is slightly smaller than the inner diameter of the stopper 5, and the ferrule tail handle 7 and the stopper 5 have a certain gap in the axial direction, so that the ferrule 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, a long strip-shaped groove is arranged on the surface of the stopper 5, and the long strip-shaped groove is used for anti-fool positioning during assembly, a through hole is arranged at the other end of the stopper 5, and the through hole is used for injecting sealing glue, the glue blocking piece 3 is arranged at the other end of the stopper 5, and the glue blocking piece 3 is used for blocking the sealing glue, an optical fiber is arranged in the optical cable 1, and the optical fiber penetrates through the glue blocking piece 3 and extends into the inside of the stopper 5, a small hole for the optical fiber to pass through is arranged in the inside of the glue blocking piece 3, an external thread is arranged on the surface of the stopper 5, an internal thread matched with the external thread is arranged in the inside of the dustproof cap 9, a circular hole is arranged on the surface of the dustproof cap 9, a traction rope can be fixed at the circular hole during on-site construction, the traction rope is pulled to realize the function of the basic assembly 101 in the wall pipe.

[0043] Embodiment Two

[0044] On the basis of Embodiment One, referring to Figure 4 and Figure 5 , the specific improvements are as follows:

[0045] The adapter assembly comprises a first main shaft 103 and a first outer shell 104, the inside of the first main shaft 103 is respectively provided with a first guide key and a first limiting key, the first guide key and the long strip-shaped groove are matched with each other, the first limiting key and the through groove are matched with each other, one end of the first main shaft 103 is provided with a first square hole, and the first square hole and the inclined boss are matched with each other, one end of the first main shaft 103 is provided with an external thread matched with the tail sheath 102, after the thread is locked, the tail part of the first main shaft 103 is clamped and limited by the thread, and cannot be deformed outwardly again, thereby enhancing the axial tensile strength;

[0046] The base assembly 101 is assembled with the adapter assembly, the dustproof cap 9 is removed first, the tail sheath 102 is sleeved on the surface of the base assembly 101, and the first main shaft 103 is sleeved on the surface of the base assembly 101 from one end of the ceramic plug core 8, so that the first guide key inside the first main shaft 103 is inserted into the long strip-shaped groove on the stopper 5, which can limit the direction of the stopper 5 in the first main shaft 103, and at the same time, the first limiting key is inserted into the through groove on the plug core tail handle 7, which can limit the direction of the plug core tail handle 7 in the first main shaft 103, preventing the stopper 5 from rotating in the first main shaft 103, and at the same time, after the inclined boss is buckled into the first square hole, the stopper 5 will be limited and will not be withdrawn from the first main shaft 103, one end of the first main shaft 103 is provided with a rectangular notch, the rectangular notch enables one end of the first main shaft 103 to be deformed outwardly when the stopper 5 is assembled with the first main shaft 103, which is beneficial to the buckling of the inclined boss into the first square hole, and finally the first outer shell 104 is sleeved on the base assembly 101 from one end of the ceramic plug core 8 and is assembled with the first main shaft 103.

[0047] Embodiment Three

[0048] On the basis of Embodiment One, referring to Figure 6 and Figure 7 , the specific improvements are as follows:

[0049] The adapter assembly comprises a second main shaft 201, a second outer shell 203 and a first inner frame sleeve 202, the inner part of the second main shaft 201 is respectively provided with a second guide key and a second limiting key, the second guide key is matched with the long slot, and the second limiting key is matched with the through slot, one end of the second main shaft 201 is provided with a second square hole, and the second square hole is matched with the inclined boss, one end of the second main shaft 201 is provided with an external thread matched with the tail sheath 102, after the thread is locked, the tail of the second main shaft 201 is clamped and limited by the thread, and cannot be deformed to the outside again, thereby enhancing the axial tensile strength;

[0050] The base assembly 101 is assembled with the adapter assembly, the dustproof cap 9 is removed first, the tail sheath 102 is sleeved on the surface of the base assembly 101, and the second outer shell 203 is passed from one end of the ceramic ferrule 8 to the surface of the base assembly 101, at this time, it is not necessary to be assembled with the base assembly 101, and is moved in the direction of the optical cable 1, space is left for the assembly of the second main shaft 201, then the second main shaft 201 is sleeved on the surface of the base assembly 101 from one end of the ceramic ferrule 8, at this time, the second guide key in the second main shaft 201 is inserted into the long slot on the stopper 5, the direction of the stopper 5 in the second main shaft 201 is limited, at the same time, the second limiting key is inserted into the through slot on the ferrule tail handle 7, the direction of the ferrule tail handle 7 in the second main shaft 201 is limited, the stopper 5 is prevented from rotating in the second main shaft 201, at the same time, after the inclined boss is buckled into the second square hole, the stopper 5 is limited and cannot be taken out of the second main shaft 201, one end of the second main shaft 201 is provided with a rectangular notch, when the stopper 5 is assembled with the second main shaft 201, one end of the second main shaft 201 can be deformed to the outside, the inclined boss is buckled into the second square hole, the first inner frame sleeve 202 is moved in the direction of the ceramic ferrule 8, and is assembled with the second main shaft 201, the second outer shell 203 is passed from one end of the ceramic ferrule 8 to the base assembly 101, and the first inner frame sleeve 202 is assembled.

[0051] Example four

[0052] On the basis of example one, please refer to Figure 8 and Figure 9 The specific improvements are as follows:

[0053] The adapter assembly comprises a third main shaft 301 and a third shell 302, the inside of the third main shaft 301 is respectively provided with a third guide key and a third limiting key, the third guide key is matched with the long strip-shaped groove, and the third limiting key is matched with the through groove, one end of the third main shaft 301 is provided with a third square hole, and the third square hole is matched with the inclined boss, one end of the first main shaft 103 is provided with external threads matched with the tail sheath 102, after the threads are locked, the tail part of the second main shaft 201 is clamped and limited by the threads, cannot be deformed to the two sides any more, and the axial tensile strength is enhanced;

[0054] The base assembly 101 is assembled with the adapter assembly, the dustproof cap 9 is removed first, the tail sheath 102 is sleeved on the surface of the base assembly 101, and the third shell 302 is passed from one end of the ceramic ferrule 8 to the surface of the base assembly 101, at this time, the third shell 302 does not need to be assembled with the base assembly 101, and is moved to the direction of the optical cable 1, space is left for the assembly of the third main shaft 301, then the third main shaft 301 is sleeved on the surface of the base assembly 101 from one end of the ceramic ferrule 8, at this time, the third guide key in the third main shaft 301 is inserted into the long strip-shaped groove on the stopper 5, the direction of the stopper 5 in the third main shaft 301 can be limited, meanwhile, the third limiting key is inserted into the through groove on the ferrule tail handle 7, the direction of the ferrule tail handle 7 in the third main shaft 301 can be limited, the stopper 5 is prevented from rotating in the third main shaft 301, and after the inclined boss is buckled into the third square hole, the stopper 5 is limited and cannot be taken out of the third main shaft 301, one end of the third main shaft 301 is provided with a rectangular notch, when the stopper 5 is assembled with the third main shaft 301, one end of the third main shaft 301 can be deformed to the outside of the two sides, which is favorable for the buckling of the inclined boss into the third square hole, and finally the third shell 302 is sleeved on the base assembly 101 from one end of the ceramic ferrule 8 and is assembled with the third main shaft 301 in a clamping mode.

[0055] Example five

[0056] On the basis of example one, please refer to Figures 10 to 11 As shown in the figure, the specific improvements are as follows:

[0057] The adapter assembly comprises a fourth main shaft 403, a fourth shell 401 and a second inner frame sleeve 402, the inside of the fourth main shaft 403 is respectively provided with a fourth guide key and a fourth limiting key, the fourth guide key is matched with the long strip-shaped groove, and the fourth limiting key is matched with the through groove, one end of the fourth main shaft 403 is provided with a fourth square hole, and the fourth square hole is matched with the inclined boss, one end of the fourth main shaft 403 is provided with external threads matched with the tail sheath 102, after the threads are locked, the tail part of the second main shaft 201 is clamped and limited by the threads, cannot be deformed to the two sides any more, and the axial tensile strength is enhanced;

[0058] The base assembly 101 is assembled with the adapter assembly. First, remove the dust cap 9, and then set the tail sheath 102 on the surface of the base assembly 101, and pass the fourth outer shell 401 from one end of the ceramic ferrule 8 to the surface of the base assembly 101. At this time, it is not necessary to assemble with the base assembly 101, and move towards the optical cable 1, leaving space for the assembly of the fourth main shaft 403, and then set the fourth main shaft 403 from one end of the ceramic ferrule 8 on the surface of the base assembly 101. At this time, the fourth guide key inside the fourth main shaft 403 is inserted into the long slot on the stopper 5, which can limit the direction of the stopper 5 in the fourth main shaft 403, and the fourth limiting key is inserted into the through slot on the ferrule tail handle 7, which can limit the direction of the ferrule tail handle 7 in the fourth main shaft 403, preventing the stopper 5 from rotating in the fourth main shaft 403. After the inclined boss is buckled into the fourth square hole, the stopper 5 will be limited and cannot be removed from the fourth main shaft 403. One end of the fourth main shaft 403 is provided with a rectangular notch. When the stopper 5 is assembled with the fourth main shaft 403, one end of the fourth main shaft 403 can be deformed outward on both sides, which is conducive to the buckling of the inclined boss into the fourth square hole. Move the second inner frame sleeve 402 towards the ceramic ferrule 8 and perform clamping assembly with the fourth main shaft 403. Pass the fourth outer shell 401 from one end of the ceramic ferrule 8 to the base assembly 101 and perform clamping assembly with the fourth main shaft 403.

[0059] Embodiment six

[0060] Based on embodiment one, please refer to Figure 12 and Figure 13 for specific improvements as follows:

[0061] The adapter assembly includes a fifth main shaft 502 and a fifth outer shell 501. The fifth main shaft 502 is internally provided with a fifth guide key and a fifth limiting key. The fifth guide key and the long slot are mutually adapted. The fifth limiting key and the through slot are mutually adapted. One end of the fifth main shaft 502 is provided with a fifth square hole, and the fifth square hole and the inclined boss are mutually adapted. One end of the fifth main shaft 502 is provided with an external thread adapted to the tail sheath 102. After the thread is locked, the tail of the second main shaft 201 is clamped and limited by the thread, and cannot be deformed outward on both sides, thereby enhancing the axial tensile strength.

[0062] The base assembly 101 is assembled with the adapter assembly. First, remove the dust cap 9, set the tail sheath 102 on the surface of the base assembly 101, and pass the fifth housing 501 from one end of the ceramic ferrule 8 through the surface of the base assembly 101. At this time, it is not necessary to assemble with the base assembly 101, and move towards the optical cable 1, leaving space for the fifth main shaft 502. Then set the fifth main shaft 502 from one end of the ceramic ferrule 8 on the surface of the base assembly 101. At this time, the fifth guide key inside the fifth main shaft 502 is inserted into the long slot 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 limiting key is inserted into the through slot on the ferrule tail handle 7, which can limit the direction of the ferrule tail handle 7 in the fifth main shaft 502, preventing the stopper 5 from rotating in the fifth main shaft 502. After the inclined boss is buckled into the fifth square hole, the stopper 5 will be limited and cannot be removed from the fifth main shaft 502. One end of the fifth main shaft 502 is provided with a rectangular notch. When the stopper 5 is assembled with the fifth main shaft 502, the one end of the fifth main shaft 502 can be deformed outward on both sides, which is conducive to the buckling of the inclined boss into the fifth square hole. Finally, set the fifth housing 501 from one end of the ceramic ferrule 8 on the base assembly 101 and assemble with the fifth main shaft 502.

[0063] Example Seven

[0064] Based on example one, please refer to Figure 14 and Figure 15 The specific improvements are as follows:

[0065] The adapter assembly includes a sixth main shaft 603, a sixth housing 601, and a third inner frame sleeve 602. The sixth main shaft 603 has a sixth guide key and a sixth limiting key inside, respectively. The sixth guide key and the long slot are mutually adapted. The sixth limiting key and the through slot are mutually adapted. One end of the sixth main shaft 603 is provided with a sixth square hole, and the sixth square hole and the inclined boss are mutually adapted. One end of the sixth main shaft 603 is provided with an external thread adapted to the tail sheath 102. After the thread is locked, the tail of the second main shaft 201 is clamped and limited by the thread, and cannot be deformed outward on both sides, which enhances the axial tensile strength;

[0066] The base assembly 101 is assembled with the adapter assembly, the dustproof cap 9 is removed first, the tail sheath 102 is sleeved on the surface of the base assembly 101, the sixth housing 601 is passed from one end of the ceramic ferrule 8 to the surface of the base assembly 101, at this time, it is not necessary to be assembled with the base assembly 101, and is moved in the direction of the optical cable 1, space is left for the sixth main shaft 603, then the sixth main shaft 603 is sleeved on the surface of the base assembly 101 from one end of the ceramic ferrule 8, at this time, the sixth guide key in the sixth main shaft 603 is inserted into the long strip-shaped groove on the stopper 5, the direction of the stopper 5 in the sixth main shaft 603 can be limited, at the same time, the sixth limiting key is inserted into the through slot on the ferrule tail handle 7, the direction of the ferrule tail handle 7 in the sixth main shaft 603 can be limited, the stopper 5 is prevented from rotating in the sixth main shaft 603, at the same time, after the inclined boss is buckled into the sixth square hole, the stopper 5 will be limited and cannot be taken out of the sixth main shaft 603, one end of the sixth main shaft 603 is provided with a rectangular notch, when the stopper 5 is assembled with the sixth main shaft 603, one end of the sixth main shaft 603 can be deformed outward on both sides, which is beneficial to the buckling of the inclined boss into the sixth square hole, the third inner frame sleeve 602 is moved in the direction of the ceramic ferrule 8 and is assembled with the sixth main shaft 603 in clamping connection, the sixth housing 601 is passed from one end of the ceramic ferrule 8 to the base assembly 101 and is assembled with the sixth main shaft 603 in clamping connection, and the sixth housing 601 can rotate on the sixth main shaft 603.

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

Claims

1. A universal pre-terminated connector, characterized by: The utility model provides an adapter for different pre-adapter interconnection, which comprises a basic assembly (101) and an adapter assembly. The basic assembly (101) comprises a dustproof cap (9), a ceramic ferrule (8), a ferrule tail handle (7), a spring (6), a stopper (5), a sealing ring (4), a glue blocking sheet (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). The heat shrink sleeve (2) is wrapped outside the stopper (5) and the optical cable (1).

2. A compatible pre-terminated connector according to claim 1, wherein: 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. 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 coming out of 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 clamping claws, and the clamping claws and the through grooves are matched with each other. The clamping claws are used for limiting 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).

3. A pre-terminated connector of claim 2, wherein: 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 an elongated groove for preventing mistaken positioning during assembly. The other end of the stopper (5) is provided with a through hole for injecting sealing glue. The glue blocking sheet (3) is arranged at the other end of the stopper (5) and is used for blocking the sealing glue. The optical cable (1) is provided with an optical fiber. The optical fiber penetrates through the glue blocking sheet (3) and extends into the inside of the stopper (5). The surface of the stopper (5) is provided with external threads. The inside of the dustproof cap (9) is provided with internal threads matched with the external threads. The surface of the dustproof cap (9) is provided with a circular hole.

4. A universal pre-terminated connector according to claim 1, wherein: The utility model also comprises a tail sheath (102), and the inside of the tail sheath (102) is provided with internal threads.

5. A pre-terminated connector of claim 4, wherein: The adapter assembly comprises a first main shaft (103) and a first housing (104). The inside of the first main shaft (103) is respectively provided with a first guide key and a first limiting key. The first guide key is matched with the elongated groove. The first limiting key is matched with the through groove. One end of the first main shaft (103) is provided with a first square hole matched with the slope boss. One end of the first main shaft (103) is provided with external threads matched with the tail sheath (102).

6. A pre-terminated connector of claim 4, wherein: The adapter assembly comprises a second main shaft (201), a second housing (203) and a first inner sleeve (202), the inner part of the second main shaft (201) is respectively provided with a second guide key and a second limiting key, the second guide key is matched with the long strip-shaped groove, and the second limiting key is matched with the through groove, one end of the second main shaft (201) is provided with a second square hole matched with the inclined boss, and one end of the second main shaft (201) is provided with an outer thread matched with the tail sheath (102).

7. A universal pre-terminated connector according to claim 4, wherein: The adapter assembly comprises a third main shaft (301) and a third housing (302), the inner part of the third main shaft (301) is respectively provided with a third guide key and a third limiting key, the third guide key is matched with the long strip-shaped groove, and the third limiting key is matched with the through groove, one end of the third main shaft (301) is provided with a third square hole matched with the inclined boss, and one end of the first main shaft (103) is provided with an outer thread matched with the tail sheath (102).

8. A pre-terminated connector of claim 4, wherein: The adapter assembly comprises a fourth main shaft (403), a fourth housing (401) and a second inner sleeve (402), the inner part of the fourth main shaft (403) is respectively provided with a fourth guide key and a fourth limiting key, the fourth guide key is matched with the long strip-shaped groove, and the fourth limiting key is matched with the through groove, one end of the fourth main shaft (403) is provided with a fourth square hole matched with the inclined boss, and one end of the fourth main shaft (403) is provided with an outer thread matched with the tail sheath (102).

9. A universal pre-terminated connector according to claim 4, wherein: The adapter assembly comprises a fifth main shaft (502) and a fifth housing (501), the inner part of the fifth main shaft (502) is respectively provided with a fifth guide key and a fifth limiting key, the fifth guide key is matched with the long strip-shaped groove, and the fifth limiting key is matched with the through groove, one end of the fifth main shaft (502) is provided with a fifth square hole matched with the inclined boss, and one end of the fifth main shaft (502) is provided with an outer thread matched with the tail sheath (102).

10. A pre-terminated connector of claim 4, wherein: The adapter assembly comprises a sixth main shaft (603), a sixth housing (601) and a third inner sleeve (602), the inner part of the sixth main shaft (603) is respectively provided with a sixth guide key and a sixth limiting key, the sixth guide key is matched with the long strip-shaped groove, and the sixth limiting key is matched with the through groove, one end of the sixth main shaft (603) is provided with a sixth square hole matched with the inclined boss, and one end of the sixth main shaft (603) is provided with an outer thread matched with the tail sheath (102).

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