WO2021114477A1

WO2021114477A1 - Plug, socket and connector

Info

Publication number: WO2021114477A1
Application number: PCT/CN2020/076039
Authority: WO
Inventors: 韩云钊; 刘乃常; 李卫可; 徐耕; 崔艳磊; 武学顺; 杨帅杰; 徐骏; 张志中
Original assignee: 中航光电科技股份有限公司
Priority date: 2019-12-09
Filing date: 2020-02-20
Publication date: 2021-06-17

Abstract

The present invention relates to a plug, a socket, and a connector. The socket comprises a socket shell; a plugging end of the socket shell is taken as the front end; a guide groove is formed in the outer side of the socket shell; the guide groove extends in the front-back direction, the front end of the guide groove is of an opening structure, and a groove wall of the guide groove is used for guiding corresponding clamping jaws on the plug shell to enter; the corresponding groove wall of the guide groove is provided with a hook matching part or the rear end face of the guide groove forms a hook matching part, and the hook matching part is provided backwards and used for matching the hook part in a hooking mode when the clamping jaw enters in place and swings in the width direction of the guide groove, so that locking of the plug and the socket is achieved. The outer side of the socket shell is provided with the guide groove, and the corresponding groove wall of the guide groove is provided with the hook matching part, so that the corresponding clamping jaw on the plug shell is guided to enter by means of the groove wall of the guide groove when the plug and the socket are plugged, and the guide groove can smoothly guide the clamping jaw to enter.

Description

Plugs, sockets and connectors

Technical field

The invention belongs to the technical field of connector design, and specifically relates to a plug, a socket and a connector.

Background technique

After the existing connectors are connected to each other, they are generally locked by screw or bayonet and other locking forms, but these locking forms all require the rotation of the connector, and the operation is cumbersome. In response to the above-mentioned problems, there are connector assemblies on the market that realize locking and unlocking by spring claws.

The Chinese invention patent application with application publication number CN108463926A discloses a plug-in connector, the plug-in connector has a shell, the shell has a plug-in end and an outlet end, and a locking element is provided on the shell. The element can move between the first locking position and the second unlocking position. The locking element is provided with an opening and an introduction slope. The auxiliary device is inserted into the opening to manually move the locking element from the first locking position to the second locking position. The unlocking position is switched, in which the locking element is formed by two spring arms.

For the above-mentioned plug-in connector, in order to ensure that the end of the spring arm can be smoothly inserted into the matching socket and complete the locking of the plug-in connector, it is necessary to design the corresponding socket, and the above-mentioned plug-in connector needs to use auxiliary devices In order to realize the separation of the plug connector and the adaptor connector, the operation is relatively cumbersome.

Summary of the invention

The object of the present invention is to provide a socket to ensure that the end of the spring arm in the prior art can be smoothly inserted into a suitable socket; the object of the present invention is also to provide a plug to solve the problem of plugging and unplugging in the prior art. The connector needs to use auxiliary devices to realize the separation of the plug connector and the adapter connector, which is a problem of cumbersome operation; the purpose of the present invention is to provide a connector to ensure that the end of the spring arm in the prior art can be Insert it into the suitable socket smoothly.

To achieve one of the above objectives, the technical solution of the socket of the present invention is:

The socket includes: a socket housing with the plug-in end of the socket housing as the front end; a guide groove is provided on the outer surface of the socket housing; the guide groove extends in the front-to-back direction, the front end is an open structure, and the groove of the guide groove The wall is used to guide the corresponding claws on the plug housing to enter; the corresponding groove wall of the guide groove is provided with a hooking fitting part or the rear end of the guide groove forms a hooking fitting part, and the hooking fitting part is set backwards. When the claw enters into position and swings along the width direction of the guide groove, it is hooked and matched with the hooking part to realize the locking of the plug and the socket.

The beneficial effect is that the guide groove is provided on the outer surface of the socket housing, and the hook fitting part is arranged on the corresponding groove wall of the guide groove to guide the plug housing through the groove wall of the guide groove when the plug and the socket are inserted. The corresponding claws on the upper part enter, so that the guide groove can guide the claws more smoothly, and then when the claws are in place and swing along the width direction of the guide groove, they are hooked and matched with the hooks in the guide groove to realize the lock of the plug and the socket. tight.

Further, both sides of the groove walls of the guide groove are provided with the hooking fitting portions.

The beneficial effect is that the two hooking mating parts share a guide groove, which is beneficial to shorten the relative position of the two hooking mating parts, and further reduce the volume of the plug housing.

Further, the hook fitting portions on the groove walls on both sides of the guide groove are aligned in the front and rear direction.

The beneficial effect is that the axial dimension is reduced under the condition that the hooking part of the claw and the hooking mating part of the guide groove are matched with each other.

Further, the hook fitting portion protrudes from the corresponding groove wall of the guide groove along the width direction of the guide groove.

The beneficial effect is that this design makes the front end opening of the guide groove relatively large, and it is easier to guide the claws on the plug housing to enter.

Further, the front side surface of the hooking mating part is a guiding inclined surface, and the guiding inclined surface is used to guide the claw to swing in a direction away from the groove wall where the hooking mating part is located when the claw enters the guide groove.

The beneficial effect is that by providing the guiding inclined surface, the guiding groove is easier to guide the claws on the plug housing to enter, so as to hook and cooperate with the hooking fitting part in the guiding groove.

Further, a protruding part protrudes from the outer surface of the socket housing, and the protruding part and the outer side surface of the socket housing enclose the guide groove.

The beneficial effect is that the guide groove is enclosed by the protruding part and the outer side surface of the socket housing to ensure that the thickness of the remaining side walls of the socket housing is relatively thin.

Further, the socket housing includes at least a pair of outer side surfaces arranged symmetrically in the center, and the guide grooves are provided on each outer side surface.

The beneficial effect is that by providing guide grooves on both outer sides of the socket shell symmetrically arranged in the center, the stability of the socket and the plug when locked is ensured.

Further, the opening structure is a flared structure.

The beneficial effect is that it is more conducive to the entry of the claws on the plug shell.

Further, the outer surface of the socket housing is formed in an approximately hexagonal or approximately octagonal structure along the circumference of the socket housing.

The beneficial effect is that the plug-in part of the socket needs to avoid the position of the screw hole on the base of the socket, and the use of a hexagonal or octagonal shape can increase the accommodation space of the plug-in part of the socket compared to a quadrilateral or circular cross-section.

To achieve one of the above objectives, a technical solution of the plug of the present invention is:

The plug includes: a plug housing, the front end is a plug-in end; the plug includes a locking structure, the locking structure is one of the following structures; (1) the locking structure includes a spring claw, the spring claw is arranged on the plug shell On the body, the spring claw has a hooking part, which moves along the circumferential direction of the plug shell under its own elastic force to be used for hooking and fitting with the hooking mating part on the socket shell, and then the plug-in assembly The plug and socket are locked and fixed, and the elastic claw is provided with a passive unlocking part; (2) the locking structure includes a lock arm and an elastic member, one end of the lock arm is hinged on the plug housing, and the other end is provided with The hooking portion moves along the circumferential direction of the plug housing under the elastic force of the elastic member to be used for hooking and fitting with the hooking fitting portion on the socket housing, and then the plug to be inserted and assembled It is locked and fixed with the socket, the lock arm is provided with a passive unlocking part; the plug further includes an unlocking part; the unlocking part is movably assembled on the plug housing in the front-to-rear direction, and the unlocking part is provided with an active unlocking part , When the unlocking member moves backward, the active unlocking part and the passive unlocking part push and cooperate to drive the hooking part to move in the circumferential direction of the plug housing, so that the hooking part is separated from the corresponding hooking mating part, In turn, the plug and the socket are unlocked; at least one of the active unlocking part and the passive unlocking part is an inclined surface structure.

The beneficial effect is that by setting the passive unlocking part on the spring claw or the locking arm, after the hooking part on the spring claw or the locking arm is hooked and matched with the corresponding hooking mating part, only the unlocking part needs to be moved backwards. The active unlocking part of the unlocking member is push-fitted with the passive unlocking part of the corresponding hooking part, and the hooking part is driven to move along the circumferential direction of the plug shell, so that the hooking part is separated from the corresponding hooking mating part to realize the plug shell With the unlocking of the socket shell, there is no need to use auxiliary devices in the unlocking process, and the unlocking method is relatively simple; at the same time, because the hooking part and the corresponding hooking fitting part are separated along the circumference of the plug shell, the radial size of the plug is avoided. Large, is conducive to the miniaturization of the plug.

Further, the plug housing includes an inner housing and a locking member, the locking member is positioned and assembled relative to the inner housing in the front-to-rear direction, and the elastic claw is arranged on the locking member. The plug shell is arranged separately to facilitate the processing of the spring claws on the plug shell.

Further, the hooking portion protrudes from the elastic claw along the circumference of the plug housing, or the hooking portion protrudes from the lock arm along the circumference of the plug housing. It is convenient for the hooking part and the hooking mating part to be hooked and matched.

Further, the hooking portion can also protrude from the elastic claw along the radial direction of the plug housing, or the hook portion can protrude from the lock arm along the radial direction of the plug housing. It is convenient for the hooking part and the hooking mating part to be hooked and matched.

Further, an unlocking groove is provided on the inner wall surface of the unlocking member corresponding to the elastic claw, the unlocking groove has an unlocking inclined surface, and the unlocking inclined surface constitutes the active unlocking portion. By setting the unlocking groove on the unlocking piece, it is convenient for the unlocking piece to unlock the elastic claw.

Further, the spring claws form at least one spring claw pair, the hook portions of the two spring claws in the spring claw pair are arranged opposite to each other, and the unlocking groove corresponding to the spring claw pair is a tapered unlocking groove with a small front and a large rear. The groove and the groove walls on both sides of the conical unlocking groove respectively constitute the unlocking inclined surface. The two groove walls of the tapered unlocking groove are inclined surfaces, and the groove walls of the tapered unlocking groove are designed as active unlocking parts, and the structure is relatively simple, and the unlocking of the two elastic claws can be realized at the same time.

Further, the spring claws form at least one spring claw pair, the hooking parts of the two spring claws in the spring claw pair are arranged opposite to each other, and the two spring claws are provided between the two spring claws. Thrust elastic piece of thrust. By arranging a thrust elastic member between the two elastic claws, the stability of the hooking engagement of the hooking part of the elastic claw and the hooking mating part is ensured.

Further, the hooking portion has a hooking portion locking slope for hooking and fitting with the hooking mating portion, and the hooking portion locking slope extends obliquely from back to front on the hooking portion in the direction in which the hooking portion comes out. , So that the hook part forms a barbed structure. Through the barbed structure and the hooking fitting part, the elastic claw is not easily detached from the hooking fitting part, so that the locking is more secure.

Further, the unlocking member is an unlocking sleeve. It is only necessary to cover the unlocking piece outside the plug housing, and it is not necessary to provide a limiting structure between the plug housing and the unlocking piece to limit the unlocking piece on the plug housing.

Further, the locking arm forms at least one locking arm pair, the hooking parts of the two locking arms of the locking arm pair are arranged opposite to each other, and the locking elastic member is arranged between the two locking arms. The lock arm pair further increases the stability of plug and socket mating.

Further, the locking elastic member is a U-shaped elastic piece or a compression spring. The structure is simple and easy to install between the two lock arms.

Further, the plug further includes a locking member, the locking member is reciprocally guided and assembled on the unlocking member by the guide structure, the locking member has a locking position and an unlocking position during its reciprocating movement, and is in the locked position The locking member is used to cooperate with the elastic claw stop to lock the elastic claw at the position where the hooking portion and the corresponding hooking mating portion are hooked, and the locking member in the unlocked position is used to avoid the elastic claw to make the elastic claw It can be unlocked under the action of the unlocking member. By providing the locking piece, the plug and the socket can be locked twice, and the stability of the plug and the socket can be ensured.

Further, the spring claws form at least one spring claw pair, the hook portions of the two spring claws in the spring claw pair are arranged opposite to each other, and the locking member is located between the two spring claws to oppose each other when in the locked position. The two claws are locked tightly. The pair of spring claws further increases the stability of plug and socket mating.

Further, a guide hole is provided on the side wall corresponding to the pair of the unlocking member and the elastic claw pair, the locking member is guided and assembled in the guide hole, and the locking member includes a device for being arranged between the two elastic claws. The guide hole forms the guide structure for the lock tongue that locks the two spring pawls and the operation part for driving the lock tongue to move. By providing the operating part, it is convenient to drive the lock tongue to move, so that the lock tongue can lock the two spring pawls.

Further, the plug further includes a locking member, the locking member is reciprocally guided and assembled on the unlocking member by the guide structure, the locking member has a locking position and an unlocking position during its reciprocating movement, and is in the locked position The locking member is used to cooperate with the locking arm to lock the locking arm at the position where the hooking part and the corresponding hooking mating part are hooked, and the locking part in the unlocked position is used to avoid the locking arm to make the locking arm It can be unlocked under the action of the unlocking member. By providing the locking piece, the plug and the socket can be locked twice, and the stability of the plug and the socket can be ensured.

Further, the locking arm forms at least one locking arm pair, and the hooking parts of the two locking arms of the locking arm pair are arranged opposite to each other, and the locking member is located between the two locking arms to oppose each other when in the locked position. The two locking arms are locked tightly. The lock arm pair further increases the stability of plug and socket mating.

Further, a guide hole is provided on the side wall corresponding to the unlocking member and the lock arm pair, the locking member is guided and assembled in the guide hole, and the locking member includes a device for being arranged between the two locking arms. For the lock tongues that lock the two lock arms and the operating part for driving the lock tongues to move, the guide holes constitute the guide structure. By providing the operating part, it is convenient to drive the lock tongue to move, so that the lock tongue can lock the two spring pawls.

In order to achieve one of the above objectives, the technical solution of a connector of the present invention is:

The connector includes an adaptable plug and a socket, the plug includes a plug shell, and the plug shell is provided with a claw; the socket includes: a socket shell with the plug end of the socket shell as the front end; The outer surface of the socket housing is provided with a guide groove; the guide groove extends in the front-rear direction, the front end is an open structure, and the groove wall of the guide groove is used to guide the corresponding claws on the plug housing to enter; the corresponding groove of the guide groove The wall is provided with a hook fitting portion or the rear end surface of the guide groove forms a hook fitting portion, and the hook fitting portion is arranged backwards for hooking with the hook portion when the claw enters into position and swings along the width direction of the guide groove Hanging and matching to achieve the locking of the plug and the socket.

Further, the opening structure is a flared structure.

In order to achieve one of the above objectives, another technical solution of the connector of the present invention is:

The connector includes an adaptable plug and socket, the plug and socket are positioned as the front end; the socket includes a socket shell, the socket shell is provided with a hooking mating part; the plug includes: a plug shell, The front end is the plug-in end; the plug includes a locking structure, the locking structure is one of the following structures; (1) the locking structure includes a spring claw, the spring claw is arranged on the plug housing, the spring claw has a hook The hooking portion moves along the circumference of the plug shell under its own elastic force to be used for hooking and fitting with the hooking mating portion on the socket shell, thereby locking and fixing the plug and socket that are inserted and assembled , The elastic claw is provided with a passive unlocking part; (2) the locking structure includes a locking arm and an elastic member, one end of the locking arm is hinged on the plug housing, and the other end is provided with a hooking part, the hooking part is The elastic force of the elastic member moves along the circumferential direction of the plug housing to be used for hooking and fitting with the hooking fitting portion on the socket housing, and then locking and fixing the plug and the socket that are inserted and assembled. The lock arm is provided with a passive unlocking part; the plug further includes an unlocking part; the unlocking part is movably assembled on the plug housing in the front and rear direction, and the unlocking part is provided with an active unlocking part, when the unlocking part moves backward , The active unlocking part and the passive unlocking part are push-fitted to drive the hooking part to move in the circumferential direction of the plug housing, so that the hooking part is disengaged from the corresponding hooking mating part, thereby realizing the unlocking of the plug and the socket; At least one of the active unlocking part and the passive unlocking part is an inclined surface structure.

Further, an unlocking groove is provided on the inner wall surface of the unlocking member corresponding to the elastic claw, the unlocking groove has an unlocking inclined surface, and the unlocking inclined surface constitutes the active unlocking portion. By providing the unlocking groove on the unlocking piece, it is convenient for the unlocking piece to unlock the spring claws.

The connector includes a plug and a socket adapted to be plugged in, the plug includes a plug housing, wherein,

The socket includes: a socket housing, with the plug-in end of the socket housing as the front end; a guide groove is provided on the outer surface of the socket housing; the guide groove extends in the front-to-rear direction, and the front end is an open structure. The groove wall is used to guide the corresponding claws on the plug housing to enter; the corresponding groove wall of the guide groove is provided with a hooking fitting part or the rear end of the guide groove forms a hooking fitting part, and the hooking fitting part is arranged backward, It is used to hook and cooperate with the hook part when the claw enters into position, so as to realize the locking of the plug and the socket;

The plug includes: a plug housing, the front end is a plug-in end; the plug includes a locking structure, the locking structure includes a claw, the claw is arranged on the plug housing, and has a forward suspension The hooking portion moves along the radial direction of the plug housing under the elastic force to be used for hooking and fitting with the hooking mating portion on the socket housing, thereby performing plug and socket assembly Lock and fix.

Further, the claw is an elastic piece, and the elastic piece has an elastic force for generating an elastic force for moving the hook portion in the direction of the central axis of the plug.

Further, the locking structure further includes a support shaft and an elastic element, the support shaft is arranged on the plug housing, the pawl of the locking structure is pivotally connected to the support shaft, and the pawl is hooked The part is located on one side of the supporting shaft, and one end of the elastic element is connected to the claw, and has an elastic force for generating the hook part of the claw to move in the direction of the central axis of the plug.

Further, the claw forms a pressing portion on the other side of the supporting shaft.

Further, the hooking portion protrudes inwardly from the end of the claw along the radial direction of the plug housing.

Description of the drawings

Fig. 1 is a schematic structural diagram of specific embodiment 1 of the connector of the present invention;

Figure 2 is a schematic structural view of the connector of the present invention from another perspective;

Fig. 3 is a schematic diagram of the structure of the connector in Fig. 2 after being inserted;

4 is a schematic diagram of the structure of the socket housing in FIG. 1 before the locking sleeve and the unlocking sleeve are matched;

Figure 5 is a schematic diagram of the structure of the unlocking sleeve and the locking sleeve in Figure 4;

Figure 6 is an exploded view of the unlocking sleeve and the locking sleeve in Figure 5;

FIG. 7 is a schematic structural diagram of Embodiment 2 of the connector of the present invention;

Figure 8 is a schematic diagram of the plug and socket mating in Figure 7;

Figure 9 is a schematic structural diagram of Embodiment 3 of the connector of the present invention;

Figure 10 is a schematic structural view of the locking tongue of Figure 9 about to lock the spring claw;

FIG. 11 is a schematic diagram of the structure of the lock tongue locking the spring claw in FIG. 9; FIG.

Figure 12 is a schematic structural diagram of Embodiment 4 of the connector of the present invention;

Figure 13 is a schematic structural view of the connector in Figure 12 with the unlocking sleeve removed;

14 is a schematic structural diagram of Embodiment 5 of the connector of the present invention;

15 is a schematic diagram of the socket structure of Embodiment 11 of the connector of the present invention;

16 is a schematic diagram of the plug structure of Embodiment 12 of the connector of the present invention;

17 is a schematic diagram of another plug structure of Embodiment 12 of the connector of the present invention;

18 is a schematic diagram of the plug structure of Embodiment 13 of the connector of the present invention.

In Figure 1 to Figure 11: 101-socket; 102-plug; 1-hook mating part; 11-guide slope; 12-first locking slope; 2-guide groove; 3-fixed flange; 4-socket shell Body; 5-limiting tapered groove section; 51-limiting slope; 21-unlocking sleeve; 211-active unlocking part; 212-conical unlocking groove; 213-inner wall protrusion; 22-inner housing; 23 -Plug inner core; 24-lock sleeve; 25-step structure; 26-limit block; 27-spring claw; 271-second locking slope; 272-hook part; 273-passive unlocking part; 28-thrust Elastic piece; 29-operating part; 30-guide hole; 31-lock tongue;

In Figure 12 and Figure 13: 201-socket housing; 202-unlocking sleeve; 203-plug housing; 204-locking arm; 205-U-shaped shrapnel; 206-hook fitting part; 207-hook part; 208- Hinge shaft

In Figure 14: 301-socket housing; 302-unlocking part; 303-plug housing; 304-guide groove;

In Figure 15, 41- is the avoidance surface, 42- the flat wall surface;

In Figure 16-18, 6-locking structure, 61-claw, 62-support shaft, 611-second hook part.

Detailed ways

The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Specific embodiment 1 of the connector of the present invention:

As shown in Figures 1 to 3, the connector includes a socket 101 and a plug 102 that are adapted for insertion. The socket 101 and the plug 102 in this embodiment are both rectangular connectors, and the plug-in ends of the socket 101 and the plug 102 are defined as front end. The socket 101 includes a socket housing 4, a socket inner core (not shown) is fixed in the socket housing 4, the plug 102 includes an inner housing 22, and a plug inner core 23 is fixed in the inner housing 22. The socket 101 and When the plug 102 is inserted, the socket housing 4 and the inner housing 22 are butted, and the plug inner core 23 and the socket inner core are also butted. In other embodiments, the socket and the plug may be polygonal connectors or waist circular connectors.

Specifically, a locking sleeve 24 is sleeved on the inner shell 22, and the locking sleeve 24 constitutes a locking piece. The rear end of the inner shell 22 is provided with a limiting block 26 to limit the locking sleeve 24 in the front-to-rear direction. To prevent the locking sleeve 24 from moving backwards, two limiting blocks 26 are symmetrically arranged, and they are respectively arranged on two opposite side walls of the locking sleeve 24. In other embodiments, in order to limit the locking sleeve in the front-rear direction, a ring platform may be provided on the inner housing. In other embodiments, the locking member may have a U-shaped structure. In this case, only the front end of the middle plate of the U-shaped structure is provided with a spring claw. It should be noted that the locking sleeve and the inner housing are provided separately and jointly form the plug housing. Of course, in other embodiments, the locking sleeve and the inner housing are integrally provided to form the plug housing.

As shown in Figures 3 and 4, the inner housing 22 is rectangular, the corresponding locking sleeve 24 is rectangular, the locking sleeve 24 is used to fit and butt with the socket housing 4, and the locking sleeve 24 has two oppositely arranged locks. The locking sleeve positioning plane, the locking sleeve positioning plane constitutes the locking member positioning plane, the front end of each locking sleeve positioning plane is provided with two spring claws 27 extending forward and spaced apart. The extension direction of the sleeve positioning plane is protrudingly provided with a hooking portion 272 to ensure the stability of the socket housing 4 and the locking sleeve 24 after the hooking and fitting. The claws are arranged protruding at an acute angle. In other embodiments, in order to ensure the stability of the socket housing and the locking sleeve when locked, the four side wall surfaces of the locking sleeve can be set as the locking sleeve positioning plane, and each locking sleeve positioning plane is provided with two positioning planes. Claws. In other embodiments, two adjacent sidewall surfaces of the locking sleeve can be used as the locking sleeve positioning plane. It should be noted that the side wall surface of the locking sleeve provided with the elastic claw is the positioning plane of the locking sleeve. In other embodiments, one elastic pawl may be provided on one locking sleeve positioning plane; or only one locking sleeve positioning plane is provided on the locking sleeve, and only one elastic pawl is provided on the locking sleeve positioning plane. The stability of the tight sleeve and the socket shell hooking fit is poor.

The two opposite outer sides of the socket shell 4 are the positioning planes of the socket shell. The two socket shell positioning planes are arranged correspondingly to the two locking sleeve positioning planes on the locking sleeve 24, and the positioning planes of the socket shells are equal. A hook fitting part 1 is provided for hooking and fitting with the corresponding hook part 272. In other embodiments, the socket housing is circular, and in this case, the positioning plane is replaced by a positioning arc.

In this embodiment, the front side of the hooking portion 272 is provided with a passive unlocking portion 273, the outer sliding sleeve of the locking sleeve 24 is provided with an unlocking sleeve 21, the unlocking sleeve 21 constitutes an unlocking member, and the unlocking sleeve 21 is a sleeve structure, as shown in FIG. As shown in FIG. 6, the unlocking sleeve 21 is provided with an active unlocking portion 211. When the unlocking sleeve 21 is unlocked and moved backward, the active unlocking portion 211 and the passive unlocking portion 273 push and cooperate to hook the hook portion 272 with the corresponding hook. The mating portion 1 is disengaged in the circumferential direction of the plug housing to realize the unlocking of the locking sleeve 24 and the socket housing 4, thereby realizing the unlocking of the plug and the socket. The inner shell 22 is provided with a step structure 25 behind the limiting block 26 for limiting the unlocking sleeve in the front-to-rear direction. When the unlocking sleeve 21 moves backward to unlock, it prevents the unlocking sleeve from moving backwards excessively, causing two springs. The claw 27 is too close to fail. In other embodiments, a protruding structure protruding the elastic pawl is provided on the outer surface of the elastic pawl, and the protruding structure has a passive unlocking portion. In other embodiments, the unlocking sleeve has a U-shaped structure, and both sides of the locking sleeve are provided with guide grooves extending in the front-to-rear direction. The two parallel flanges of the unlocking sleeve are folded inward with flanges, and the two flanges are guided for sliding assembly In the guide groove, the unlocking sleeve is slidingly sleeved outside the locking sleeve.

In this embodiment, the active unlocking portion 211 and the passive unlocking portion 273 are both inclined surface structures, which facilitates the push-fitting of the two. It should be noted that the inclined surface structure may be a straight inclined surface or an arc inclined surface. In other embodiments, one of the active unlocking portion and the passive unlocking portion has an inclined surface structure, and the other has a right angle structure. The inclined surface structure is in line contact with the right-angle structure to realize the push fit of the two.

As shown in Figures 2 to 4, the rear side of the hooking portion 272 is a hooking mating surface, and the hooking mating surface of the hooking portion 272 is a second locking bevel 271, wherein the second locking bevel 271 constitutes a hooking The locking slope of the hooking portion extends obliquely from back to front on the hooking portion 272 along the direction in which the hooking portion 272 escapes, so that the hooking portion 272 forms a barbed structure; the corresponding hooking mating portion 1 The rear side surface is a hooking mating surface, and the hooking mating surface of the hooking mating portion 1 is a first locking bevel 12, and the first locking bevel 12 extends obliquely from back to front along the hooking direction of the hooking portion 272. The first locking slope 12 is adapted to the second locking slope 271, and the hooking part 272 of the spring pawl 27 is not easily fitted from the hook by the hooking cooperation of the second locking slope 271 and the first locking slope 12 The part 1 comes out, so that the locking is more secure. Wherein, the second locking slope and the first locking slope may be straight slopes or arc slopes. In other embodiments, the hooking mating surface of the hooking portion is the second locking straight surface, and the hooking mating surface of the corresponding hooking mating portion is the first locking straight surface, so that it is easy to In the case of shaking, the hooking part is disengaged from the hooking mating part. It should be noted that the second locking slope and the first locking slope may be straight slopes or arc slopes.

As shown in Figure 3 or 6, the hooking parts 272 of the two elastic claws 27 on the same locking sleeve positioning plane are arranged opposite to each other, and the two elastic claws 7 form a pair of elastic claws. After the sleeve 24 is hooked and fitted, the hook portion 272 faces the opposite direction under the elastic force of the spring claw 27, so that the socket housing 4 and the locking sleeve 24 are not easily moved relative to each other in the circumferential direction, and the hook portion 272 faces the two springs. The outer sides of the claws 27 are arranged so that the two claws 27 can be as close as possible to each other, so as to reduce the space occupied by the claws 27. In other embodiments, in order to prevent the socket housing and the locking sleeve from moving relative to each other in the circumferential direction, the hooking parts of the two spring claws may be arranged oppositely. In other embodiments, the hooking parts of the two spring claws may also be arranged in the same direction, and at this time, the socket housing and the locking sleeve may move relative to each other in the circumferential direction.

As shown in Figures 3 and 4, a guide groove 2 is provided on the socket housing positioning plane of the socket housing 4, the guide groove 2 extends in the front-to-back direction, and the front end of the guide groove 2 is open for the elastic claw 27 to be inserted from the front end. The two opposite sides of the guide groove 2 are respectively provided with protrusions protruding from the corresponding groove wall, and the front side of each protrusion is a guide slope 11, so that the front end of the guide groove 2 has a larger opening, which is convenient for guiding the elastic claw 27 Inserted into the guide groove 2, the protruding part constitutes the hook fitting portion 1, and the guide slope 11 of the guide groove 2 facilitates guiding the elastic pawl 27 into the guide groove 2 to hook and cooperate with the hook fitting portion 1. In other embodiments, the guide groove is provided with a stepped structure arranged oppositely, and the stepped structure constitutes a hook fitting portion, and there is no guide slope in the guide groove, which makes it inconvenient for the elastic claw to be inserted into the guide groove. It should be noted that the side wall surface of the socket housing provided with the guide groove is the positioning plane of the socket housing.

The guide groove 2 includes a limiting tapered groove section 5 arranged behind the hooking mating portion 1. The groove wall of the limiting tapered groove section 5 is a limiting inclined surface 51, and the passive unlocking portion of the corresponding hooking portion 272 is an inclined surface. The groove wall of the tapered groove section 5 and the passive unlocking portion of the hooking portion 272 cooperate with the upper limit in the front and rear direction to prevent the hooking portion 272 from moving to the rear of the guide groove 2 and to ensure that the hooking portion 272 and the hooking mating portion Stability after 1 hook padlock is tightly fitted.

In this embodiment, the hooking portion 272 has a protruding end in a direction perpendicular to the positioning plane of the corresponding locking sleeve, and the protruding end is arranged to protrude from the guide groove 2 when the hooking portion 272 is hooked with the corresponding hooking mating portion 1 The passive unlocking portion 273 is provided on the protruding end, and the passive unlocking portion 273 is provided on the protruding end, so that the passive unlocking portion 273 and the active unlocking portion 211 on the unlocking sleeve 21 are push-fitted to realize the unlocking sleeve 21 and the locking sleeve 24 Unlocked. In other embodiments, the hooking portion may not have a protruding end that protrudes from the guiding groove. At this time, the unlocking sleeve is arranged on the socket housing, and a gap is provided between the passive unlocking portion and the groove wall of the limiting tapered groove section. The inner wall surface of the unlocking sleeve is provided with a push rod inserted in the gap, and the push rod constitutes an active unlocking part.

The positioning plane of the guide groove 2 is provided with a positioning plane protrusion protruding from the positioning plane of the socket housing. The positioning plane protrusion encloses the guide groove 2, which is surrounded by the positioning plane protrusion provided on the positioning plane of the socket housing. The guide groove is formed to ensure the strength of the side wall where the positioning plane of the socket housing is located. In other embodiments, guide grooves can be directly provided on the side wall of the socket housing, and in this case, the side wall is required to have a certain thickness.

As shown in Figures 5 and 6, the outer surface of the pawl 27 is a slope from front to back and from outside to in, so that the thickness of the pawl 17 gradually becomes thicker from back to front. In the case of increasing the strength of the pawl 27 Bottom, the elasticity of the pawl 27 is also ensured. In other embodiments, when the elastic claw itself is strong enough, only the hooking part can be made thicker; or when the elasticity of the elastic claw is sufficient, the whole elastic claw can be made thicker.

In this embodiment, the inner wall surface of the unlocking sleeve 21 and the elastic pawl 27 is provided with a tapered unlocking groove 212 with a small front and a large rear. The groove wall of the tapered unlocking groove 212 constitutes the active unlocking portion 211, and the tapered unlocking groove 212 The two groove walls are unlocking inclined surfaces, and the groove wall of the tapered unlocking groove 212 is designed as an active unlocking portion 211, so that the active unlocking portion 211 can push the hooking portion 272 out of the hooking mating portion 1 easily. In other embodiments, the passive unlocking part can be designed as a slope structure, and the active unlocking part is a protrusion provided on the front end of the inner wall surface of the unlocking sleeve, such as a round protrusion, a square protrusion, etc., through the protrusion and the passive unlocking part. The pusher fits.

In this embodiment, the inner wall surface of the unlocking sleeve 21 is provided with an inner wall surface protrusion 213 protruding from the inner wall surface, and the inner wall surface protrusion surrounds a tapered unlocking groove 212, which protrudes from the inner wall surface provided on the inner wall surface. The portion 213 encloses a conical unlocking groove 212, which ensures the strength of the side wall where the inner wall surface is located. In other embodiments, a tapered unlocking groove may be directly formed on the inner wall surface of the unlocking sleeve. At this time, the side wall of the unlocking sleeve needs to have a certain thickness to ensure that the side wall is provided with a tapered unlocking groove. strength.

When in use, the socket 101 is fixed on the device panel through the fixing flange 3. When the plug 102 and the socket 101 need to be locked, the claw 27 at the front end of the locking sleeve 24 is inserted into the guide groove 2 of the socket housing 4. After the socket 101 is plugged in, the hooking portion 272 of the spring pawl 27 is hooked and engaged with the hooking fitting portion 1 in the guide groove 2 to lock the plug 102 and the socket 101. When the plug 102 and the socket 101 need to be unlocked, there is no need to use auxiliary devices. Push the unlocking sleeve 21 backward, and the active unlocking part 211 of the unlocking sleeve 21 pushes the passive unlocking part 273 to move the two hooking parts 272 relative to each other, so that the hook The hooking portion 272 and the corresponding hooking mating portion 1 are disengaged along the circumference of the plug housing to realize the separation of the socket housing 4 and the locking sleeve 24, thereby realizing the unlocking of the plug 102 and the socket 101. It should be noted that auxiliary devices are devices that are not connectors.

It should be noted that the plug and socket in this embodiment are only for illustrating the plug-in relationship, and in other embodiments, the structure of the plug and socket may be interchangeable.

Specific embodiment 2 of the connector of the present invention:

The difference from Embodiment 1 of the connector is that the number of the guide grooves is two, and the groove walls of the two guide grooves are both provided with hooking fitting parts.

Specific embodiment 3 of the connector of the present invention:

The difference from Embodiment 1 of the connector is that the hook fitting parts on the groove walls on both sides of the guide groove are arranged staggered in the front-to-rear direction. At this time, the lengths of the two elastic claws on the plug housing are different, but they are different from the corresponding ones. The hook fitting part is adapted.

Specific embodiment 4 of the connector of the present invention:

The difference from Embodiment 1 of the connector is that the guide groove is provided with a stepped structure arranged oppositely, and the stepped structure constitutes a hooking fitting portion, and there is no guiding slope in the guide groove at this time.

Specific embodiment 5 of the connector of the present invention:

The difference from Embodiment 1 of the connector is that the rear end of the guide groove has an open structure, and the rear end surface of the guide groove forms a hook fitting portion.

Specific embodiment 6 of the connector of the present invention:

As shown in Figures 7 and 8, the difference from Embodiment 1 of the connector is that a thrust elastic member 28 is provided between the two elastic claws 27, and the thrust elastic member 28 pushes the elastic claw 27 to ensure the hooking portion. 272 and the hook fitting part 1 are hooked for stability. Preferably, the thrust elastic member 28 is a U-shaped elastic piece. In other embodiments, the thrust elastic member is a compression spring, and the two ends of the compression spring are respectively connected to the two elastic pieces. Claw up. In this embodiment, the thrust elastic member 28 and the two elastic claws 27 are integrally formed.

In other embodiments, the thrust elastic member and the two elastic claws can be arranged separately. At this time, it is necessary to provide a limit groove on the opposite side of the two elastic claws, so that the two ends of the thrust elastic member are limitedly assembled in the limit grooves. .

Specific embodiment 7 of the connector of the present invention:

As shown in Figures 9 to 11, the difference from Embodiment 1 of the connector is that the unlocking sleeve 21 is provided with a guide hole 30, the guide hole 30 constitutes a guide structure, and the guide hole 30 is equipped with a lock for a reciprocating guide slide. The locking member has a locking position and an unlocking position during its reciprocating movement. When in the locked position, the locking member and the hooking portion 272 of the elastic pawl 27 stop and cooperate to lock the elastic pawl 27 in The position where the hooking portion 272 and the corresponding hooking mating portion 1 are hooked; when in the unlocked position, the locking member avoids the hooking portion 272 of the elastic pawl 27, so that the elastic pawl 27 can be under the action of the unlocking sleeve 21 The action is unlocked. In other embodiments, the guide structure is a guide groove provided on the inner wall of the unlocking sleeve, the locking member is guided and slidably assembled in the guide groove, and the operating portion of the locking member protrudes from the rear end of the unlocking sleeve. In other embodiments, a guide hole is provided on the adjacent side wall of the unlocking cap and the corresponding side wall of the spring pawl, and the locking member is guided and assembled in the guide hole by the operating part. At this time, the length of the operating part is required to be longer. Long to expose the guide hole, which is not conducive to unlocking.

In this embodiment, the locking member includes a locking tongue 31 and an operating portion 29. The locking tongue 31 can move in the front and rear directions under the driving of the operating portion 29. When the locking member is in the locked position, the locking tongue 31 is in the two spring claws. Between the hooking parts 272 of the 27, the two elastic pawls 27 are locked, and only one locking member is needed to realize the stop and limit of the two elastic pawls 27, which makes the arrangement structure of the locking member simpler. In other embodiments, the two hooks may be arranged opposite to each other, and the locking member includes a U-shaped arm and an operating portion. The U-shaped arm is driven by the operating portion to move to the outside of the two elastic claws to realize the alignment of the two elastic claws. Limit, at this time, the U-shaped arm is a cantilever structure, which is prone to deformation and cannot effectively lock the spring claw.

Specific embodiment 8 of the connector of the present invention:

As shown in FIGS. 12 and 13, the difference from Embodiment 1 of the connector is that the plug housing 203 is an integral structure, that is, the lock arm 204 is directly arranged on the plug housing 203. Specifically, the plug shell 203 is provided with two plug shell positioning planes, the two plug shell positioning planes are arranged in parallel, and each plug shell positioning plane is provided with two lock arms 204, and one end of the lock arm 204 is set There is a hinge shaft 208, the plug housing 203 is provided with a hinge hole, and the lock arm 204 is hinged on the plug housing 203 through the hinge shaft and the hinge hole; the other end of the lock arm 204 is provided with a circumferential extension along the plug housing 203的挂挂部207。 The hooking section 207.

In this embodiment, the hook portions 207 of the two lock arms 204 are arranged opposite to each other, a U-shaped elastic piece 205 is arranged between the two lock arms 204, and the U-shaped elastic piece 205 constitutes a locking elastic member to apply elasticity to the locking arm 204 The acting force further realizes the hooking cooperation between the hooking portion 207 and the hooking mating portion 206. In other embodiments, the elastic member is a compression spring. At this time, grooves can be opened on the opposite surfaces of the two lock arms, and the two ends of the compression spring are respectively placed in the grooves of the corresponding lock arms, and the grooves should be as close as possible to the lock. The hooking part of the arm ensures the stability of the hooking cooperation between the hooking part and the hooking mating part.

When the plug is inserted into the socket, only the hooking portion 207 of the locking arm 204 on the plug housing 203 is hooked with the hooking fitting portion 206 on the corresponding socket housing 201 to realize the plug housing 203 and the socket. The housing 201 is locked. In addition, the unlocking sleeve 202 can be directly movably assembled outside the plug housing 203, as long as the hooking portion 207 of the lock arm 204 can be pushed normally, and the plug housing 203 and the socket housing 201 can be unlocked normally.

In other embodiments, a locking piece can also be provided on the unlocking sleeve. At this time, the U-shaped elastic piece between the two locking arms is required to avoid the tongue of the locking piece. For example, the U-shaped elastic piece is on the two locking pieces. When the lock arm is locked, it is under the lock tongue to avoid the locking piece.

Specific embodiment 9 of the connector of the present invention:

As shown in Figure 14, the difference from Embodiment 8 of the connector is that the unlocking member 302 has a U-shaped structure, and the two sides of the plug housing 303 are provided with guiding grooves 304 extending in the front-to-rear direction, and the two unlocking members 302 are parallel to each other. The flanges are folded inwardly and there are flanges. The two flanges are guided and slidably assembled in the guide groove 304 to realize that the unlocking member 302 is slidably sleeved outside the plug housing 303, so as to realize the normal pushing of the spring claw and ensure the plug housing 303 Normal unlocking with the socket housing 301. It should be noted that the flanging and the guide groove constitute a limiting structure.

Specific embodiment 10 of the connector of the present invention:

The difference from Embodiment 1 of the connector is that the hooking portion is arranged along the radial direction of the plug housing to protrude the elastic claw and is located inside the elastic claw. When the unlocking sleeve moves backward, the hooking portion is along the center of the plug housing. Circumferential movement to realize the unlocking of the mating part with the hook, thereby realizing the separation of the plug and the socket.

Specific embodiment 11 of the connector of the present invention:

The difference from Embodiment 1 of the connector is that the outer surface of the socket housing is formed into an approximately hexagonal or approximately octagonal structure along the circumference of the socket housing, or other polygonal structures.

FIG. 15 shows a schematic diagram of the structure of the octagonal socket shell, which is described in comparison with the quadrangular socket shell of FIG. 1. 1 and 15, it can be understood that the fixing flange 3 of the socket generally has through holes at the four corners, so that the socket can be fixed by structural parts such as screws. The plug-in part of the socket needs to avoid the fixing of the socket. The position of the screw hole on the flange 3, as can be seen from Figure 1, if the plug-in part of the socket and the fixed flange 3 are the same quadrilateral, the plug-in part cannot occupy the part with the through hole of the fixed flange 3. It also cannot occupy the part connected by the adjacent through holes of the fixed flange. The octagonal structure socket shown in Figure 15 can solve the above problem. The flat wall 42 can occupy the part connected by the adjacent through holes of the fixed flange, as long as the corresponding The two adjacent flat wall surfaces 42 need to be transitioned through the avoiding surface 41. At this time, only the avoiding surface 41 solves the problem of interference with the screw.

In the above embodiment, for a socket with a fixed flange 3 of a specific size, the accommodating space of the plug-in part of the socket can be increased. On the contrary, in order to accommodate a plug of a specific size, the socket of this embodiment can be designed to be smaller in size.

In the above embodiment, the fixed flange is quadrilateral, and the four corners have through holes for mounting screws. In an alternative embodiment, the through holes on the fixed flange 3 may only retain two diagonal corners. In this case, the socket housing The outer side surface of the body 4 only needs to be provided with the avoidance surface 41 where the through hole structure is provided, thereby forming a hexagonal structure composed of two symmetrical avoidance surfaces 41 and four flat wall surfaces 42.

It should be noted that the "approximately hexagonal or approximately octagonal structure, or other polygonal structure" in this embodiment refers to the design process of the socket housing due to process problems or other technical requirements. Adjacent outer sides cannot form strict edges during the transition, resulting in more avoidance surfaces. However, the overall contour of the outer side of the socket housing along the circumferential direction should be roughly hexagonal or octagonal. A regular hexagonal or octagonal structure limits the scope of protection of this application. In addition, any person skilled in the art can easily think of appropriate adjustments to the number of sides, such as changing the number of sides to heptagons, dodecagons, etc., on the premise of the number of sides of the circumferential outline disclosed above in this application. Should be covered within the scope of protection of this application.

Specific embodiment 12 of the connector of the present invention:

As shown in Figures 16 and 17, the difference from Embodiment 1 of the connector is that the plug 102 includes a plug housing, and the front end is a plug-in end; the plug includes a locking structure 6, which includes a claw. 61. The pawl 61 is arranged on the plug housing and has a second hooking portion 611 suspended forwards. The second hooking portion 611 moves along the radial direction of the plug housing under elastic force to use It is used for hooking and fitting with the hooking fitting part on the socket shell, and then locking and fixing the plug and the socket that are inserted and assembled.

The hook portion 207 of the plug in Embodiment 1 moves to both sides along the plane of the locking mechanical positioning surface, while the second hook portion 611 of the plug in this embodiment can move radially, that is, along the vertical to the locking mechanical positioning surface. In the embodiment shown in FIG. 16, the pawl 61 has a sheet-like structure, and the second hook portion 611 is a barbed structure or a locking structure provided at the end of the sheet-shaped pawl. The width is between the limiting tapered groove section 5 and the hook fitting portion 206, so that the second hook portion 611 can enter the limiting tapered groove section 5, and is hooked by the hook fitting portion 206 in the axial direction (along the plug Axial direction) to realize the interlocking function of the plug 102 and the socket 101.

In this embodiment, the elastic force of the claw can be provided by the claw 61 itself, or can be provided by other elastic members. For example, in the embodiment shown in FIG. 17, the claw is an elastic piece, and the elastic piece itself can generate an elastic force that causes the hook portion to move in the direction of the central axis of the plug. In this embodiment, the elastic piece The second hooking portion (barb) at the end is bent by itself to ensure the up and down movement of the barb, or the leverage of the middle part is used to ensure that the barb floats up and down. The elastic sheet can be integrated with the main body or a two-body structure. And fix them together. During the mating process of the plug 102 and the socket 101, the second hooking portion 611 first touches the hooking fitting portion 206, and is acted on by the reverse force of the guide slope 11 (refer to FIG. 7) of the hooking fitting portion 206, and the second hooking portion 611 overcomes the elastic force of the pawl itself and bounces radially outwards to cross the hook fitting portion 206 until it moves to the top of the limiting tapered groove section 5, and is affected by the elastic restoring force of the pawl itself and falls into the limit. In the tapered groove section 5, the plug 102 and the socket 101 are interlocked.

The specific embodiment when the elastic force of the second hooking portion 611 is provided by other elastic members is shown in FIG. 16. In this embodiment, the locking structure further includes a supporting shaft 62 and an elastic element. The supporting shaft 62 is arranged on the plug housing. Body, the pawl of the locking structure is pivotally connected to the support shaft, the hook part of the pawl is located on one side of the support shaft, one end of the elastic element is connected to the pawl, and has a function for generating the The elastic force of the hook portion of the claw moving in the direction of the central axis of the plug.

In this embodiment, the elastic force provided by the elastic element is mainly used to deflect the pawl 61 around the support shaft 62. For example, the elastic element may be a torsion spring provided between the support shaft 62 and the pawl 61, or it may be a torsion spring provided between the support shaft 62 and the pawl 61. Structures such as compression springs arranged between the plug housing and the jaws.

When the elastic element is a torsion spring, the pawl of the locking structure is connected to the support shaft through a torsion spring, and the hook portion of the pawl is located on one side of the support shaft, and the torsion spring can generate the hook The elastic force of the part moving in the direction of the central axis of the plug. In this embodiment, on the one hand, the function of the torsion spring is similar to that of the elastic sheet, which provides the second hooking portion 611 with an elastic force that moves radially inward, so that the second hooking portion 611 is pressed. Into the limit tapered groove section 5, on the other hand, the support shaft + torsion spring design method can form a lever structure, that is, the support shaft is used as a fulcrum, and the jaws form two force ends at both ends of the support shaft. One side of the support shaft is the second hooking portion 611, and the other side is the hanging pressing portion. By pressing the pressing portion at one end of the lever, the second hooking portion 611 at the other end can be popped up, thereby releasing the plug 102 and The locked state of the socket 101.

When the elastic element is a compression spring, the other end (pressing end) of the pawl 61 relative to the second hooking portion 611 is connected to the plug housing through the compression spring or similar components with elastic function. , The compression spring provides an elastic force radially outward along the plug. When the plug is mated with the socket, the second hooking portion 611 is subjected to the radially outward force of the second hooking portion 611 of the plug housing, based on the claw and The lever structure formed by the support shaft 62 forms the force of squeezing the compression spring, and then the second hooking portion 611 enters the limiting tapered groove section 5, and the compression spring is reset to realize the locking of the plug and the socket. When unlocking, press The pressing end of the claw makes the second hooking portion 611 tilt up, so that the plug and the socket can be unlocked.

Specific embodiment 13 of the connector of the present invention:

As shown in FIG. 18, the difference from Embodiment 8 is that the second hooking portion 611 protrudes from the lock arm along the radial direction of the plug housing. In Figure 18, the locking structure 6 includes two locking arms, the two locking arms are pivoted or hinged on the plug housing to realize circumferential movement along the outer side of the plug housing. U The type elastic piece provides elastic force. In this embodiment, the two locking arms respectively have a second hooking portion 611 extending inward in the radial direction of the connector at the ends. When the plug 102 of the connector and the socket 101 are mated, the second The hooking portion 611 first touches the guiding inclined surface of the hooking mating portion 206, and drives the two locking arms to move toward each other to compress the U-shaped elastic pieces. When the second hooking portion 611 extends into the limiting tapered groove section 5, the two When the locking arm is reset, the second hooking portion 611 is restricted by the two protrusions formed by the hooking fitting portion 206 of the socket, so that the plug and the socket are locked.

The specific embodiments of the socket and plug of the present invention have the same structure as the socket and plug in the above-mentioned connector embodiment, and will not be repeated here.

Claims

Sockets, including:

Socket shell, with the plug-in end of the socket shell as the front end;

It is characterized in that a guide groove is provided on the outer surface of the socket housing;

The guide groove extends in the front and rear direction, the front end is an open structure, and the groove wall of the guide groove is used to guide the corresponding claws on the plug housing to enter;

The corresponding groove wall of the guide groove is provided with a hook fitting portion or a rear end surface of the guide groove forms a hook fitting portion, and the hook fitting portion is set backwards for when the claw enters into place and is along the width direction of the guide groove When swinging, it is hooked and matched with the hooking part to realize the locking of the plug and the socket.
The socket according to claim 1, wherein the groove walls on both sides of the guide groove are provided with the hooking fitting portions.
4. The socket according to claim 2, wherein the hook fitting portions on the groove walls on both sides of the guide groove are aligned in the front-to-rear direction.
The socket according to claim 1 or 2 or 3, wherein the hook fitting portion is arranged to protrude from the corresponding groove wall of the guide groove along the width direction of the guide groove.
The socket according to claim 2, wherein the front side of the hooking mating part is a guide slope, and the guiding slope is used to guide the claws along a distance away from the groove wall where the hooking mating part is located when the claws enter the guide groove. Direction swing.
The socket according to claim 1 or 2 or 3, wherein the outer surface of the socket housing is provided with a protruding part, and the protruding part and the outer side of the socket housing enclose the guide groove.
The socket according to claim 1 or 2 or 3, wherein the socket housing includes at least a pair of outer side surfaces arranged in a center-symmetrical manner, and each outer side surface is provided with the guide groove.
The socket according to claim 1 or 2 or 3, wherein the opening structure is a flared structure.
The socket according to claim 1, wherein the outer surface of the socket housing is formed in an approximately hexagonal or approximately octagonal structure along the circumference of the socket housing.
Plugs, including:

Plug shell, the front end is the plug-in end;

It is characterized by

The plug includes a locking structure, and the locking structure is one of the following structures;

(1) The locking structure includes an elastic claw, which is arranged on the plug housing, and the elastic claw has a hooking portion that moves along the circumferential direction of the plug housing under its own elastic force to interact with The hook fitting part on the socket shell is hooked and fitted, and then the plug and the socket that are inserted and assembled are locked and fixed;

(2) The locking structure includes a locking arm and a locking elastic member. One end of the locking arm is hinged on the plug housing, and the other end is provided with a hooking portion. The hooking portion acts on the elastic force of the locking elastic member. The downward movement along the circumferential direction of the plug shell is used for hooking and fitting with the hooking fitting part on the socket shell, thereby locking and fixing the plug and the socket that are inserted and assembled.
The plug according to claim 10, wherein:

A passive unlocking part is provided on the spring claw or the lock arm;

The plug further includes an unlocking member;

The unlocking member is movably assembled on the plug housing in the front-to-rear direction. The unlocking member is provided with an active unlocking portion. When the unlocking member moves backward, the active unlocking portion and the passive unlocking portion push and cooperate to drive the hook The hanging part moves along the circumferential direction of the plug shell to disengage the hooking part from the corresponding hooking mating part, thereby realizing the unlocking of the plug and the socket;

At least one of the active unlocking part and the passive unlocking part is an inclined surface structure.
The plug according to claim 10, wherein the plug housing comprises an inner housing and a locking member, the locking member is positioned and assembled with the inner housing in the front-to-rear direction, and the elastic claws are arranged On the locking piece.
The plug according to claim 10, wherein the hook portion protrudes from the spring claws along the circumference of the plug housing, or the hook portion protrudes from the spring claws along the circumference of the plug housing. Lock arm settings.
The plug according to claim 11, wherein an unlocking groove is provided on the inner wall surface of the unlocking member corresponding to the spring claw, the unlocking groove has an unlocking slope, and the unlocking slope constitutes the active unlocking portion.
The plug according to claim 14, wherein the spring claws form at least one spring claw pair, and the hook portions of the two spring claws in the spring claw pair are arranged opposite to each other, and the unlocking corresponding to the spring claw pair is The groove is a tapered unlocking groove with a small front and a large rear, and the groove walls on both sides of the tapered unlocking groove respectively constitute the unlocking inclined surface.
The plug according to claim 10, wherein the spring claws form at least one spring claw pair, the hook portions of the two spring claws of the spring claw pair are arranged opposite to each other, and the two spring claws of the spring claw pair are arranged opposite to each other. A thrust elastic piece that provides thrust to the two elastic claws is arranged in between.
The plug according to claim 10, wherein the hooking portion has a hooking portion locking slope for hooking and fitting with the hooking mating portion, and the hooking portion locking slope is hooked along the hooking portion. The direction of the hanging part is inclined to extend from the back to the front, so that the hanging part forms a barbed structure.
The plug according to claim 11, wherein the unlocking member is an unlocking sleeve.
The plug according to claim 10, wherein the locking arm forms at least one locking arm pair, the hooking parts of the two locking arms of the locking arm pair are arranged opposite to each other, and the locking elastic member is arranged at Between the two locking arms.
The connector includes a plug and a socket for adapting and inserting, the plug includes a plug shell, and the plug shell is provided with a claw, characterized in that the socket is according to any one of claims 1-9 socket.
The connector includes a plug and a socket for adapting insertion, the plug includes a plug shell, and the socket shell is provided with a hooking mating part, characterized in that the plug is according to any one of claims 10-19 Described plug.
Connectors, including plugs and sockets adapted to be inserted, are characterized by:

The socket includes:

Socket shell, with the plug-in end of the socket shell as the front end;

A guide groove is provided on the outer surface of the socket housing;

The guide groove extends in the front and rear direction, the front end is an open structure, and the groove wall of the guide groove is used to guide the corresponding claws on the plug housing to enter;

The corresponding groove wall of the guide groove is provided with a hook fitting portion or a rear end surface of the guide groove forms a hook fitting portion, and the hook fitting portion is arranged backwards for hooking with the hook portion when the claw enters into position. Hook and match to achieve the locking of the plug and the socket;

The plug includes:

Plug shell, the front end is the plug-in end;

The plug includes a locking structure, the locking structure includes a claw, the claw is arranged on the plug housing, and has a hook portion suspended forward, the hook portion under the elastic force The radial movement of the plug shell is used for hooking and fitting with the hooking fitting part on the socket shell, and then locking and fixing the plug and the socket that are inserted and assembled.
The plug according to claim 22, wherein the pawl is an elastic piece, and the elastic piece has an elastic force for generating an elastic force for moving the hook portion in the direction of the central axis of the plug.
The plug according to claim 22, wherein the locking structure further comprises a support shaft and an elastic element, the support shaft is arranged on the plug housing, and the pawl of the locking structure is pivotally connected to the support On the shaft, the hook part of the claw is located on one side of the support shaft, one end of the elastic element is connected to the claw, and has a hook part for generating the claw toward the center of the plug. The elastic force of movement in the axial direction.
The plug according to claim 24, wherein the claw forms a pressing portion on the other side of the support shaft.
The plug according to claim 24, wherein the hooking portion protrudes inwardly from the end of the claw along the radial direction of the plug housing.