阅读说明：本技术 用于飞行器电路系统的连接器壳体组件 (Connector housing assembly for aircraft electrical circuitry ) 是由 魏德宸 于 2021-11-09 设计创作，主要内容包括：本发明公开了用于飞行器电路系统的连接器壳体组件,包括连接器壳体及适配连接器壳体,两者之间设置有径向卡接结构,连接器壳体上沿轴向方向滑动装配有锁紧连帽,锁紧连帽具有与径向卡接结构顶压配合的锁紧部,连接器壳体上设置有限制锁紧连帽在轴向方向极限位置的限位结构,锁紧连帽在其滑动行程上具有用于使径向卡接结构配合以阻挡连接器壳体与适配连接器壳体脱开的锁紧位,以及用于使锁紧部避让径向卡接结构的解锁位,锁紧连帽上设置有处于解锁位时可使径向卡接结构脱开的解锁结构,连接器壳体与锁紧连帽之间设置有使锁紧连帽自动回位至锁紧位的弹性回位结构。本发明装配时可实现单手插装锁紧,在解锁时直接拉锁紧连帽即可。(The invention discloses a connector shell assembly for an aircraft circuit system, which comprises a connector shell and an adaptive connector shell, wherein a radial clamping structure is arranged between the connector shell and the adaptive connector shell, a locking connecting cap is assembled on the connector shell in a sliding manner along the axial direction, the locking connecting cap is provided with a locking part which is in jacking fit with the radial clamping structure, a limiting structure for limiting the limiting position of the locking connecting cap in the axial direction is arranged on the connector shell, the locking connecting cap is provided with a locking position which is used for enabling the radial clamping structure to be matched to block the connector shell from being separated from the adaptive connector shell on the sliding stroke of the locking connecting cap, and the unlocking position is used for enabling the locking part to avoid the radial clamping structure, the locking connecting cap is provided with an unlocking structure which can enable the radial clamping structure to be disengaged when the unlocking position is positioned, and an elastic return structure which enables the locking connecting cap to automatically return to the locking position is arranged between the connector shell and the locking connecting cap. The invention can realize single-hand plug-in mounting and locking during assembly, and can directly pull the locking connecting cap during unlocking.)

1. A connector housing assembly for aircraft circuit system, including connector housing (1) and adaptation connector housing (2) that the front end is grafting end, rear end for the wiring end, its characterized in that: a radial clamping structure (4) is arranged between the connector shell (1) and the adaptive connector shell (2), a locking cap (3) is assembled on the connector shell (1) in a sliding manner along the axial direction, the locking cap (3) is provided with a locking part (301) which is used for being in top pressure fit with the radial clamping structure (4) in the radial direction, a limiting structure which limits the locking cap (3) in the limit position of the axial direction is arranged on the connector shell (1), the locking cap (3) is provided with a locking position which is used for enabling the radial clamping structure (4) to be matched to block the connector shell (1) to be separated from the adaptive connector shell (2) on the sliding stroke of the locking cap, an unlocking position which is used for enabling the locking part (301) to avoid the radial clamping structure (4), and the locking cap (3) is provided with an unlocking structure (5) which can enable the radial clamping structure (4) to be separated when the unlocking position is located, an elastic return structure (6) which enables the locking connecting cap (3) to automatically return to a locking position is arranged between the connector shell (1) and the locking connecting cap (3); the elastic return structure (6) comprises a limiting table (601) and an elastic fin (602), wherein the limiting table enables the locking connecting cap (3) to move to a locking position during elastic assembly; the limiting table (601) and the elastic wing (602) are elastically assembled in the radial direction, and an inclined surface enabling the locking connecting cap (3) to move towards the locking position is arranged between the limiting table (601) and the elastic wing (602).

2. The connector housing assembly for an aircraft electrical system of claim 1, wherein: the limiting table (601) is arranged on the connector shell (1), the elastic fin (602) comprises a fixing part (612) arranged on the locking connecting cap (3) and an elastic part (622) connected with the fixing part (612), and the inclined surface is arranged between the elastic part (622) and the limiting table (601); or spacing platform (601) sets up on locking even cap (3), play wing (602) including setting up fixed part (612) on connector housing (1) and elastic component (622) continuous with fixed part (612), set up between elastic component (622) and the spacing platform (601) the inclined plane, fixed part (612) and the slip direction parallel arrangement of locking even cap (3), the inclined plane is including setting up play wing axial inclined plane (632) on elastic component (622) and setting up axial spacing inclined plane (611) on spacing platform (601), play wing axial inclined plane (632) on radial direction outstanding fixed part (612) and with the spacing inclined plane of axial (611) crimping assembly.

3. The connector housing assembly for an aircraft electrical system of claim 2, wherein: spacing platform (601) are including release portion (621) and the compression portion (631) that sets up spacing inclined plane of axial (611), and elastic component (622) completely releases just when spacing inclined plane of axial (611) of release portion (621) and play wing axial inclined plane (632) assemble locking even cap (3) are located the locking position, and elastic component (622) are in the contraction state just when spacing inclined plane of axial (611) of compression portion (631) and play wing axial inclined plane (632) assemble locking even cap (3) are located the position of unblocking.

4. A connector housing assembly for an aircraft electrical system according to any one of claims 1 to 3, wherein: the connector is characterized in that an assembly inclined plane (641) which enables the locking connecting cap (3) to be assembled to the connector shell (1) is formed in the limiting table (601) in a deformation mode through elastic supply fins (602), the elastic supply fins (602) and the limiting table (601) are arranged into two groups, two elastic fins (602) in each group and two limiting tables (601) in each group are arranged at intervals, and two elastic fins (602) in each group are assembled between two limiting tables (601) corresponding to each group.

5. The connector housing assembly for an aircraft electrical system of claim 4, wherein: radial joint structure (4) are including setting up bullet claw (201) and arch (101) between connector housing (1) and adaptation connector housing (2), be provided with on bullet claw (201) with recess (211) of protruding (101) assembly, preceding lateral wall (111) or rear wall (121) of protruding (101) are domatic structure, recess (211) are close to preceding side mouth (221) or rear side mouth (231) of protruding (101) and are domatic structure.

6. The connector housing assembly for an aircraft electrical system of claim 5, wherein: the elastic claw (201) is arranged on the adaptive connector shell (2), and the bulge (101) is arranged on the connector shell (1); or the elastic claw (201) is arranged on the adaptive connector shell (2), and the bulge (101) is arranged on the connector shell (1); or a part of the elastic claw (201) is arranged on the adaptive connector shell (2), and a part of the bulge (101) is arranged on the connector shell (1).

7. The connector housing assembly for an aircraft electrical system of any of claims 1-3, 5-6, wherein: unlocking structure (5) are including setting up groove (501) of stepping down of locking even cap (3) tip, and when radial joint structure (4) were not assembled, partial radial joint structure (4) roof pressure that adaptation connector casing (2) are connected made locking even cap (3) axial slip to unblock position on diapire (502) of groove (501) of stepping down, and after radial joint structure (4) assembly, elastic return structure (6) force locking even cap (3) self return to locking position.

8. The connector housing assembly for an aircraft electrical system of claim 7, wherein: the limiting structure comprises a fixed key (102) and a sliding key groove (302) which are matched with each other, an axial stop-matched limiting protrusion is arranged between the fixed key (102) and the sliding key groove (302), the front limiting position of the limiting structure corresponds to the locking position, the rear limiting position corresponds to the unlocking position, the sliding key groove (302) is arranged on the locking connecting cap (3), the fixed key (102) is arranged on the connector shell (1), the limiting protrusion comprises a front limiting ring rib (103) arranged at the front end of the fixed key (102) and a rear limiting protrusion (104) arranged on the fixed key (102), and a barb structure (303) clamped between the front limiting ring rib (103) and the rear limiting protrusion (104) is arranged in the sliding key groove (302).

9. The connector housing assembly for an aircraft electrical system of claim 8, wherein: be provided with first chamfer (114) between the rear end face of back spacing arch (104) and the top surface, be provided with second chamfer (313) between preceding terminal surface and the top surface of barb structure (303), lock even and adorn through first chamfer (114) and second chamfer (313) between cap (3) and connector housing (1) and realize the assembly by force, sliding key groove (302) are provided with the specification of two differences and set up respectively on the upper and lower both ends face of locking even cap (3), fixed key (102) set up the upper and lower both ends at the inner wall of connector housing (1) respectively with two sliding key groove (302) adaptations.

10. The connector housing assembly for an aircraft electrical system of claim 9, wherein: the connector shell double-key structure and the locking cap double-key structure are characterized in that the upper end of the connector shell (1) and the upper end of the locking cap (3) are respectively provided with a connector shell double-key structure (105) and a cap double-key structure (304) with wider intervals, and the lower end of the connector shell (1) and the lower end of the locking cap (3) are respectively provided with a connector shell double-key structure and a cap double-key structure with narrower intervals.

Technical Field

The present invention relates to the field of connector technology, and more particularly to a connector housing assembly for an aircraft electrical circuit system.

Background

The connector mainly divide into circular connector and rectangular connector, and connector locking mechanism has multiple diversified realization, and circular connector's locking generally adopts screw thread locking, steel ball locking and bail three bent groove locking structure, and rectangular connector's locking generally adopts the side to pull the knot structure and lock. The outdoor connector needs to realize the tensile sealing function, the operation process is simple, convenient and reliable, the assembly speed is increased, push-pull locking mechanisms are mostly applied in the industry at present, but the locking and unlocking in the use process of the locking mode need to be operated by wrenches, and the use is inconvenient.

For example, the anti-rotation outdoor connector and the connector assembly disclosed in the Chinese patent with the publication number of 2018.11.13 and the publication number of CN106058559B push the lock cap through the spring, so as to realize locking and unlocking; the optical fiber connector plug disclosed in the Chinese patent with the publication number of 2016.08.31 and the publication number of the right of authority of CN104297861B comprises a connector housing, wherein the front end of the connector housing is provided with a spring claw which is cantilevered forwards, the front end of the spring claw is provided with a barb, an unlocking sleeve is movably sleeved at the front end of the connector housing in a guiding manner, the unlocking sleeve is provided with a radial through hole, the barb extends outwards from the radial through hole to be in snap fit with a clamping groove on a matched connector, so that the two connectors are locked and connected, the front side surface of the barb is of an inclined surface structure, and when the unlocking sleeve is pulled backwards, the front side wall of the radial through hole is matched with the inclined surface structure of the barb, so that the barb is radially contracted, and unlocking is realized. In the axial direction, an outer spring is arranged between the unlocking sleeve and the plug shell in a propping mode, and the axial movement during locking and unlocking is realized through the spring.

The existing push-pull locking mechanism is similar to plastic locking mechanisms such as SC-type optical fiber connectors, MPO connectors and the like, the structure of the push-pull locking mechanism is the same as that of the technical schemes disclosed in the two patent documents, and the socket comprises a special-shaped elastic claw structure to realize push-pull locking, so that the structure is complex and the difficulty of mold forming is high. And a push-pull connector similar to the MPO connector needs to use metal parts such as a spring and the like, so that the assembly difficulty of the product is increased, and the cost is correspondingly increased.

Disclosure of Invention

In view of the above-mentioned deficiencies in the background art, the present invention provides a connector housing assembly, a connector and a connector assembly for an aircraft electrical system, which solves the technical problems of complex structure, inconvenient operation and high cost of the existing push-pull locking connector.

The technical scheme of the invention is realized as follows: a connector housing assembly for aircraft circuit system, including the front end for the connector housing and the adaptation connector housing of grafting end, rear end for the wiring end, be provided with radial joint structure between connector housing and the adaptation connector housing, can realize the axial positioning between connector housing and the adaptation connector housing through radial joint structure, play the effect of pre-installation locking. The connector shell is provided with a locking connecting cap in a sliding mode along the axial direction, the locking connecting cap is provided with a locking portion which is used for being in jacking fit with the radial clamping structure in the radial direction, the locking portion can compress the radial clamping structure which is preassembled and locked, and then the connector shell is in locking connection with the adaptive connector shell. The connector shell is provided with a limiting structure for limiting the locking cap at the limit position in the axial direction, the locking cap can be forcibly mounted on the connector shell through the limiting structure, and meanwhile, the limiting structure ensures that the locking cap cannot be separated from the connector shell. Even cap of locking has on its slip stroke and is used for making the cooperation of radial joint structure in order to block connector housing and adaptation connector housing disjunctor locking position, and is used for making the unblock position of radial joint structure is dodged to locking portion, and the locking is provided with on even the cap and can makes when being in the unblock position radial joint structure disjunctor unlocking structure can cancel the complete locking that realizes connector housing and adaptation connector housing through the position of operation locking even cap, and the assembly of radial joint structure can be relieved even to further pulling locking, realizes connector housing and adaptation connector housing's assembly. An elastic return structure which enables the locking connecting cap to automatically return to a locking position is arranged between the connector shell and the locking connecting cap, and continuous and quick assembly, locking and unlocking can be realized through the elastic return structure; the elastic return structure comprises a limiting table and elastic wings which enable the locking connecting cap to move to the locking position during elastic assembly. The limiting table and the elastic wings are different from a spring, the assembly is complex, the cost is high, the elastic matching of the elastic wings and the limiting table is realized, the structure is simplified, the manufacturing difficulty and the assembly difficulty are reduced, and the production cost is effectively saved; the limiting table and the elastic wings are elastically assembled in the radial direction, and an inclined plane which enables the locking connecting cap to move towards the locking position is arranged between the limiting table and the elastic wings. The automatic axial return is realized through the inclined plane of the radial elastic assembly, so that the elastic wings are in an unstressed state at any time except the conditions of assembly, disassembly, dragging and the like, and meanwhile, the locking connecting cap is still in a locking position.

The limiting table is arranged on the connector shell, the elastic wing comprises a fixing part arranged on the locking connecting cap and an elastic part connected with the fixing part, and the inclined surface is arranged between the elastic part and the limiting table; or the limiting table is arranged on the locking connecting cap, the elastic wing comprises a fixing part arranged on the connector shell and an elastic part connected with the fixing part, and the inclined plane is arranged between the elastic part and the limiting table.

Furthermore, the fixing part is arranged in parallel with the sliding direction of the locking connecting cap, and the connector shell and the locking connecting cap are assembled, so that the elastic fin can conveniently penetrate through the limiting table matched with the connector shell. The inclined plane comprises an elastic wing axial inclined plane arranged on the elastic part and an axial limiting inclined plane arranged on the limiting table, and the elastic wing axial inclined plane protrudes out of the fixing part in the radial direction and is assembled with the axial limiting inclined plane in a compression joint mode.

Furthermore, the limiting table comprises a releasing part and a compressing part, the releasing part is provided with an axial limiting inclined plane, the elastic part is completely released when the axial limiting inclined plane of the releasing part is assembled with the elastic wing axial inclined plane, the locking connecting cap is located at the locking position, the elastic part is in a contraction state when the axial limiting inclined plane of the compressing part is assembled with the elastic wing axial inclined plane, and the locking connecting cap is located at the unlocking position. The limiting structure also plays an axial limiting role when the elastic part is in a contraction state, and the elastic part is prevented from being separated from the compression part.

Furthermore, the limiting table is provided with an elastic supply wing which deforms so as to enable the locking connecting cap to be assembled on the assembling inclined surface of the connector shell. When the locking cap is assembled with the connector shell, on one hand, the limiting structure is enabled to realize strong assembly, the locking cap is guaranteed not to be separated from the connector shell, on the other hand, the limiting table and the elastic wings are also assembled, and the elastic parts of the elastic wings reach the releasing parts through the assembling inclined planes on the limiting table.

Furthermore, the elastic wings and the limiting tables are arranged into two groups, the two elastic wings in each group and the two limiting tables in each group are arranged at intervals, and the two elastic wings in one group are assembled between the two limiting tables in the corresponding group, so that the stability and the reliability of the automatic rebounding structure are fully ensured.

Furthermore, the limiting table is integrally formed or detachably connected with the locking connecting cap or the connector shell, and the elastic wings are integrally formed or detachably connected with the locking connecting cap or the connector shell. The limiting table and the elastic wings can be integrally formed with the locking connecting cap or the connector shell through plastic injection, and injection molding parts can be manufactured independently to form a detachable structure.

Furthermore, the radial clamping structure comprises an elastic claw and a protrusion which are arranged between the connector shell and the adaptive connector shell, and a groove assembled with the protrusion is formed in the elastic claw. Adopt this kind of radial joint structure of recess and arch, not only simple structure, easy preparation can direct cartridge assembly moreover, then through the locking of return even the cap locking can, directly pull out the locking even cap during dismantlement and can relieve the locking of locking part to radial joint structure, can directly pull open, separate through connector housing and the adaptation connector housing that radial joint structure connects again.

Furthermore, the front side wall or/and the rear side wall of the protrusion are/is of a slope structure, and the groove close to the front side opening or/and the rear side opening of the protrusion is/are of a slope structure, so that the assembly and the disassembly between the elastic claw and the protrusion are facilitated, and the service life of the elastic claw and the protrusion can be prolonged.

Further, the number and positions of the detents and projections may be implementation specific. For example, the latch is provided on the mating connector housing, and the projection is provided on the connector housing; or the elastic claw is arranged on the adaptive connector shell, and the bulge is arranged on the connector shell; or part of the elastic claw is arranged on the adaptive connector shell, and part of the bulge is arranged on the connector shell.

Further, the elastic claw is integrally formed or detachably connected with the connector housing or the adaptive connector housing, and the protrusion is integrally formed or detachably connected with the connector housing or the adaptive connector housing.

Furthermore, the unlocking structure comprises a yielding groove arranged at the end part of the locking connecting cap, when the radial clamping structure is not assembled, the partial radial clamping structure which is connected with the adaptive connector shell is pressed against the bottom wall of the yielding groove to enable the locking connecting cap to axially slide to the unlocking position, and after the radial clamping structure is assembled, the elastic return structure forces the locking connecting cap to automatically return to the locking position.

Furthermore, the limiting structure comprises a fixed key and a sliding key groove which are matched with each other, a limiting protrusion matched with the axial stop is arranged between the fixed key and the sliding key groove, the front limit position of the limiting structure corresponds to the locking position, and the rear limit position of the limiting structure corresponds to the unlocking position.

Furthermore, the setting of slip keyway is on even cap of locking, the fixed key sets up on the connector housing, spacing arch is protruding including setting up the preceding spacing ring muscle at the fixed key front end and setting up the back spacing arch on the fixed key, is provided with the barb structure of joint between spacing ring muscle in the front and back spacing arch in the slip keyway.

Furthermore, be provided with first chamfer between spacing bellied rear end face in back and the top surface, be provided with the second chamfer between the preceding terminal surface of barb structure and the top surface, even realize the assembly through first chamfer and second chamfer forced mounting between cap and the connector housing locking, both be convenient for connector housing and the assembly of locking even cap, avoid again that both assemble the back to break away from.

Furthermore, the sliding key grooves are provided with two different specifications and are respectively arranged on the upper end face and the lower end face of the locking connecting cap, and the fixed keys and the two sliding key grooves are respectively arranged on the upper end face and the lower end face of the inner wall of the connector shell in a matched mode. The sliding key grooves with different specifications and arranged at different positions are in fool-proof design, so that the error installation is avoided.

Furthermore, the upper end of the connector shell and the upper end of the locking connecting cap are respectively provided with a connector shell double-key structure and a connecting cap double-key structure with wider intervals, and the lower end of the connector shell and the lower end of the locking connecting cap are respectively provided with a connector shell double-key structure and a connecting cap double-key structure with narrower intervals. When the connector shell is assembled with the locking connecting cap, the front and the back can be identified through the connector shell double-key structure and the connecting cap double-key structure at different intervals on the upper surface and the lower surface.

Furthermore, the front end part of the connector shell is inserted into the adaptive connector shell, the coinciding part of the connector shell and the adaptive connector shell is provided with the radial clamping structure, a sealing ring is arranged at the coinciding part between the radial clamping structure and the front end part of the connector shell, and the locking part is arranged on one side of the radial clamping structure, which deviates from the sealing ring.

Furthermore, radial joint structure and elasticity return structure set up at least one side in the connector casing left and right sides respectively, and when radial joint structure and elasticity return structure all were provided with a plurality ofly, radial joint structure and elasticity return structure bilateral symmetry respectively set up.

The push-pull connector not only avoids the technical problems of complex structure, inconvenient operation and high cost of the traditional push-pull connector, but also can be operated by one hand during plugging. In the process of inserting, the radial clamping structure is preassembled firstly, and meanwhile, the locking part of the locking connecting cap is pushed to an unlocking position; in the process of pulling out, directly stimulate the locking even cap and move backward to the unblock position, radial joint structure breaks away from locking portion, continues again to pull out in-process radial joint structure can break away from through unblock structure.

Drawings

In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

FIG. 1 is an assembled view of the present invention;

FIG. 2 is a view of the process of assembling the locking cap with the connector housing;

FIG. 3 is a longitudinal cross-sectional view of FIG. 2 assembled;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a perspective view of the connector housing;

FIG. 6 is a cross-sectional view of the resilient return structure;

FIG. 7 is a state view of the radial clamping structure prior to assembly;

FIG. 8 is an assembled state view of the radial snap fit arrangement;

number in the figure:

1-connector shell, 102-fixed key, 103-front limit ring rib, 104-rear limit bulge, 114-first chamfer and 105-connector shell double-key structure;

101-convex, 111-front sidewall, 121-back sidewall;

2-adapting connector shell, 201-elastic claw, 211-groove, 221-front side port and 231-rear side port;

3-locking connecting cap, 301-locking part, 302-sliding key groove, 303-barb structure, 313-second chamfer and 304-connecting cap double-key structure;

4-a radial clamping structure;

5-unlocking structure, 501-abdicating groove, 502-bottom wall;

6-elastic return structure, 601-limit table, 611-axial limit slope, 621-release part, 631-compression part, 641-assembly slope;

602-elastic fins, 612-fixed parts, 622-elastic parts and 632-elastic fin axial inclined planes;

7-sealing ring, 8-second sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

A connector housing assembly for aircraft electrical circuitry, as shown in fig. 1-8, comprises a connector housing 1 with a front end being a plug end and a rear end being a terminal end, and an adapter connector housing 2. The radial clamping structure 4 is arranged between the connector shell 1 and the adaptive connector shell 2, and the axial positioning between the connector shell 1 and the adaptive connector shell 2 can be realized through the radial clamping structure 4, so that the pre-installation locking effect is realized. The connector shell 1 is provided with a locking connecting cap 3 along the axial direction in a sliding mode, the locking connecting cap 3 is provided with a locking portion 301 which is used for being in jacking fit with a radial clamping structure 4 in the radial direction, the locking portion 301 can compress the radial clamping structure 4 locked in a pre-assembling mode, and then the locking connection of the connector shell 1 and the adaptive linker shell 2 is achieved.

Be provided with the limit structure of restriction locking even cap 3 in axial direction extreme position on the connector housing 1, can adorn locking even cap 3 to connector housing 1 on by force through limit structure, limit structure guarantees simultaneously that locking even cap 3 can not break away from connector housing 1. Even cap 3 of locking has on its slip stroke and is used for making the cooperation of radial joint structure 4 in order to block the locking position that connector housing 1 and adaptation connector housing 2 throw off, and is used for making locking portion 301 dodges the unlocking position of radial joint structure 4, and locking is provided with on even cap 3 and can makes when being in the unlocking position radial joint structure 4 throw off unlocking structure 5, can cancel the complete locking that realizes connector housing 1 and adaptation connector housing 2 through the position of operating locking even cap 3, and the assembly of radial joint structure 4 can be relieved to further pulling locking even cap 3, realizes connector housing 1 and adaptation connector housing 2's assembly. Be provided with between connector housing 1 and the locking even cap 3 and make locking even cap 3 self return to the elasticity return structure 6 of locking position, can realize assembling, locking and unblock in succession, fast through elasticity return structure 6.

Specifically, the elastic return structure 6 comprises a limiting table 601 and an elastic fin 602, which enable the locking connecting cap 3 to move towards the locking position when elastically assembled. The limiting table 601 and the elastic wing 602 are different from a spring in complex assembly and high in cost, and through elastic matching of the elastic wing 602 and the limiting table 601, the locking connecting cap 3 can automatically return, the structure is simplified, the manufacturing difficulty and the assembly difficulty are reduced, and the production cost is effectively saved. The limiting table 601 and the elastic wing 602 are elastically assembled in the radial direction, and an inclined plane which enables the locking connecting cap 3 to move towards the locking position is arranged between the limiting table 601 and the elastic wing 602. The axial automatic return is realized through the inclined plane of the radial elastic assembly, so that the elastic fins 602 are in an unstressed state at any time except the conditions of assembly, disassembly, dragging and the like, and meanwhile, the locking connecting cap 3 is still in a locking position.

Further, the limiting table 601 is disposed on the connector housing 1, the elastic fin 602 includes a fixing portion 612 disposed on the locking cap 3 and an elastic portion 622 connected to the fixing portion 612, and the inclined surface is disposed between the elastic portion 622 and the limiting table 601. Or not shown in the figures, the limiting table 601 is arranged on the locking connection cap 3, the elastic fin 602 comprises a fixing portion 612 arranged on the connector housing 1 and an elastic portion 622 connected with the fixing portion 612, and the inclined surface is arranged between the elastic portion 622 and the limiting table 601. The shapes, arrangement positions, arrangement numbers and the like of the limiting table 601 and the elastic fins 602 can be reasonably selected according to actual requirements.

The fixing portion 612 is arranged in parallel with the sliding direction of the locking connection cap 3, and is assembled with the locking connection cap 3 at the connector housing 1, so that the elastic fin 602 can conveniently pass through the limit table 601 matched with the elastic fin. The inclined surfaces include an elastic fin axial inclined surface 632 provided on the elastic portion 622 and an axial limit inclined surface 611 provided on the limit table 601, and the elastic fin axial inclined surface 632 protrudes from the fixing portion 612 in the radial direction to be press-fitted with the axial limit inclined surface 611. The limiting table 601 comprises a releasing part 621 and a compressing part 631, the releasing part 621 is provided with an axial limiting inclined surface 611, the elastic part 622 is completely released when the axial limiting inclined surface 611 of the releasing part 621 is assembled with the elastic fin axial inclined surface 632, the locking connecting cap 3 is located at a locking position, the elastic part 622 is in a contraction state when the axial limiting inclined surface 611 of the compressing part 631 is assembled with the elastic fin axial inclined surface 632, and the locking connecting cap 3 is located at an unlocking position. The limiting structure also plays an axial limiting role when the elastic part 622 is in the contracted state, and prevents the elastic part 622 from being separated from the compression part 631.

Further, the stopper 601 is provided with an inclined mounting surface 641 on which the elastic wing 602 deforms to mount the locking cap 3 to the connector housing 1. When the locking connection cap 3 is assembled with the connector housing 1, on one hand, the limiting structure is enabled to realize strong assembly, the locking connection cap 3 is ensured not to be separated from the connector housing 1, on the other hand, the limiting table 601 and the elastic fin 602 are also assembled, and the elastic part 622 of the elastic fin 602 reaches the release part 621 through the assembly inclined plane 641 on the limiting table 601.

Furthermore, the elastic fins 602 and the limiting tables 601 are arranged in two groups, the two elastic fins 602 in each group and the two limiting tables 601 in each group are arranged at intervals, and the two elastic fins 602 in one group are assembled between the two limiting tables 601 in the corresponding group, so that the stability and reliability of the automatic rebounding structure are fully ensured. In this embodiment, the elastic fins 602 and the limiting table 601 are provided in two sets, and the two sets are respectively symmetrically disposed on two sides of the connector housing 1. The limiting table 601 is integrally formed or detachably connected with the locking connecting cap 3 or the connector housing 1, and the elastic fin 602 is integrally formed or detachably connected with the locking connecting cap 3 or the connector housing 1. The limiting table 601 and the elastic wings 602 can be integrally formed with the locking connecting cap 3 or the connector housing 1 through plastic injection, and injection molding parts can be manufactured separately to form a detachable structure.

Unlocking structure 5 is including setting up the groove 501 of stepping down at the even cap 3 tip of locking, and when radial joint structure 4 was not assembled, the even cap 3 endwise slip of locking to the unblock position was made to the partial radial joint structure 4 roof pressure that adaptation connector casing 2 connects on the diapire 502 of the groove 501 of stepping down, and after radial joint structure 4 assembled, elastic return structure 6 forced the even cap 3 self return of locking to the locking position.

Specifically, the radial clamping structure 4 includes a latch 201 and a protrusion 101 disposed between the connector housing 1 and the mating connector housing 2, and a groove 211 assembled with the protrusion 101 is disposed on the latch 201. Adopt radial joint structure 4 of recess 211 and this kind of protruding 101, not only simple structure, easy preparation can direct cartridge assembly moreover, then through the locking of return even cap 3 locking can, directly pull out locking even cap 3 during the dismantlement and can relieve locking portion 301 to radial joint structure 4's locking, can directly pull open, separate through connector housing 1 and adapter connector housing 2 that radial joint structure 4 connects again. The front side wall 111 or/and the rear side wall 121 of the protrusion 101 are/is of a slope structure, and the groove 211 is of a slope structure close to the front side opening 221 or/and the rear side opening 231 of the protrusion 101, so that the assembly and the disassembly between the latch 201 and the protrusion 101 are facilitated, and the service lives of the latch 201 and the protrusion 101 can be prolonged.

The shape, number and location of the fingers 201 and projections 101 may be implementation specific. For example, the latch 201 is provided on the mating connector housing 2, and the projection 101 is provided on the connector housing 1; or the elastic claw 201 is arranged on the adaptive connector shell 2, and the bulge 101 is arranged on the connector shell 1; or a part of the latch 201 is provided on the mating connector housing 2 and a part of the projection 101 is provided on the connector housing 1. In the illustration, the elastic claw 201 is disposed at the end of the adapter connector housing 2, when the adapter connector housing 2 is plugged with the connector housing 1, the non-slot end of the elastic claw 201 will be pushed up by the protrusion 101, and then the non-slot end of the elastic claw 201 will push the bottom wall 502 of the yielding slot 501 and move to the unlocking position. After the protrusion 101 is assembled with the groove 211 on the elastic claw 201, the non-groove end of the elastic claw 201 returns to be parallel, the locking connection cap 3 automatically returns to the locking position under the action of the elastic return structure, and the locking part 301 is pressed above the elastic claw 201 to realize locking.

Further, the latch 201 is integrally formed or detachably connected with the connector housing 1 or the mating connector housing 2, and the protrusion 101 is integrally formed or detachably connected with the connector housing 1 or the mating connector housing 2.

The limiting structure comprises a fixed key 102 and a sliding key groove 302 which are matched with each other, a limiting protrusion in axial stop matching is arranged between the fixed key 102 and the sliding key groove 302, the front limit position of the limiting structure corresponds to the locking position, and the rear limit position of the limiting structure corresponds to the unlocking position. Slip keyway 302 sets up on locking even cap 3, fixed key 102 sets up on connector housing 1, spacing arch is including setting up spacing ring muscle 103 and the back spacing arch 104 of setting on fixed key 102 in the front of fixed key 102 front end, is provided with barb structure 303 of joint between spacing ring muscle 103 and the back spacing arch 104 in the front in slip keyway 302.

Further, be provided with first chamfer 114 between the rear end face of back spacing arch 104 and the top surface, be provided with second chamfer 313 between the preceding terminal surface of barb structure 303 and the top surface, even realize the assembly through first chamfer 114 and second chamfer 313 dress by force between cap 3 and the connector housing 1 locking, both be convenient for connector housing 1 and locking even the assembly of cap 3, avoid again that both assemble the back and break away from.

Further, the sliding key grooves 302 are provided with two different specifications and are respectively provided on the upper and lower end surfaces of the locking cap 3, and the fixing keys 102 are respectively provided on the upper and lower ends of the inner wall of the connector housing 1 in cooperation with the two sliding key grooves 302. The sliding key grooves 302 with different specifications and arranged at different positions are designed to be fool-proof in stroke, so that the error installation is avoided.

Furthermore, the upper end of the connector housing 1 and the upper end of the locking cap 3 are respectively provided with a connector housing double-key structure 105 and a cap double-key structure 304 with a wider interval, and the lower end of the connector housing 1 and the lower end of the locking cap 3 are respectively provided with a connector housing double-key structure and a cap double-key structure with a narrower interval. When the connector housing 1 is assembled with the locking cap 3, the front and the back can be identified by the connector housing double key structure 105 and the cap double key structure 304 which are arranged at different intervals on the upper and the lower surfaces.

Furthermore, the front end of the connector housing 1 is inserted into the adapter connector housing 2, the overlapping portion between the connector housing 1 and the adapter connector housing 2 is provided with the radial clamping structure 4, the overlapping portion between the radial clamping structure 4 and the front end of the connector housing 1 is provided with the sealing ring 7, and the locking portion 301 is arranged on one side of the radial clamping structure departing from the sealing ring 7.

Furthermore, radial joint structure 4 and elasticity return structure 6 set up at least one side in the connector housing 1 left and right sides respectively, and when radial joint structure 4 and elasticity return structure 6 all were provided with a plurality ofly, radial joint structure 4 and the respective bilateral symmetry of elasticity return structure 6 set up.

Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.