CN219018043U

CN219018043U - Lock catch, electric connector and electric connector assembly

Info

Publication number: CN219018043U
Application number: CN202223493814.2U
Authority: CN
Inventors: 季全; 沈履善; 陈宏基; 陈琼南; 申欢欢; 杨智宇
Original assignee: Xuancheng Luxshare Precision Industry Co Ltd
Current assignee: Xuancheng Luxshare Precision Industry Co Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-12
Anticipated expiration: 2032-12-27

Abstract

The utility model belongs to the technical field of electric connectors, and discloses a lock catch, an electric connector and an electric connector assembly, wherein the lock catch is used for preventing a clamping elastic piece on a first component from being separated from a clamping groove of a second component, the lock catch comprises a base body, the base body can be movably arranged on the first component, the base body can reciprocate between a locking position and an unlocking position along a first direction, the base body comprises an abutting part and a clamping part, the abutting part abuts against the side wall of the clamping elastic piece, which is away from the clamping groove, when the base body is in the locking position, the clamping elastic piece and the abutting part are provided with intervals, and the clamping part is limited in a limiting groove on the clamping elastic piece so as to limit the movement of the base body in the first direction. The electric connector comprises a plug shell and the lock catch, and the electric connector assembly comprises a butt-joint electric connector and the electric connector. The utility model prevents the clamping spring piece from separating from the clamping groove, and ensures the connection firmness between the electric connectors, thereby ensuring the normal conduction of current or signals.

Description

Lock catch, electric connector and electric connector assembly

Technical Field

The utility model belongs to the technical field of electric connectors, and particularly relates to a lock catch, an electric connector and an electric connector assembly.

Background

Electronic connectors are also commonly referred to as electrical connectors, which bridge two conductors on a circuit so that current or signals can flow from one conductor to the conductor arrangement of the other. It is widely used in various electric lines, and functions to connect or disconnect current or signals. The connection may be temporary and easily pluggable at any time, or may be a permanent junction between electrical devices or wires.

At present, in order to realize stable connection of two electric connectors, a clamping elastic piece is arranged on a shell of one of the two electric connectors, and a clamping groove is arranged on the other shell, so that the two electric connectors are connected stably through clamping of the clamping elastic piece and the clamping groove; moreover, the elasticity of the clamping elastic sheet is easy to be reduced after the clamping elastic sheet is used for a period of time, and the clamping elastic sheet is easy to be disconnected from the clamping groove due to the reduction of the elasticity, so that the connection between the electric connectors is disconnected, and the conduction of current or signals is influenced.

Accordingly, there is a need for a latch, an electrical connector and an electrical connector assembly that solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a lock catch, an electric connector and an electric connector assembly, which are used for preventing a clamping spring piece from being separated from a clamping groove, so that the connection firmness between the electric connectors is ensured, and the normal conduction of current or signals is ensured.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a hasp for prevent that joint shell fragment on the first part from breaking away from the joint groove of second part, the hasp includes the base member, the base member can the activity set up in on the first part, the base member can reciprocate along first direction between locking position and unblock position, the base member include the butt portion and with the joint portion that the butt portion is connected, the base member is in when locking position, the butt portion butt in the joint shell fragment deviates from the lateral wall of joint groove, the base member is in when the unblock position, joint shell fragment with the butt portion has the interval, the joint portion limit is located the spacing groove on the joint shell fragment, in order to restrict the base member is in the removal in the first direction.

As a preferable technical scheme of the lock catch, the base body further comprises a limiting protrusion, the limiting protrusion is connected to the end portion of the abutting portion along the second direction, the second direction is perpendicular to the first direction, when the base body is in the locking position, the limiting protrusion is limited in a first groove on the first component, and when the base body is in the unlocking position, the limiting protrusion is limited in a second groove on the first component.

As a preferable technical scheme of the lock catch, the side surface, close to the clamping elastic piece, of the limiting protrusion comprises a first guide inclined surface.

As a preferable technical scheme of the lock catch, the base body is provided with the avoidance groove, and a first elastic deformation part is arranged between the avoidance groove and the limiting protrusion.

As a preferable technical scheme of the lock catch, the base body comprises a second elastic deformation portion, one end of the second elastic deformation portion is connected to the abutting portion, the other end of the second elastic deformation portion extends obliquely towards the clamping elastic piece, and the clamping portion is arranged at one end, deviating from the abutting portion, of the second elastic deformation portion.

As a preferable technical scheme of the lock catch, the second elastic deformation portion is provided with a material reducing groove, and an outer edge of one end of the material reducing groove, which is away from the abutting portion, is the clamping portion.

As a preferable technical scheme of the lock catch, one end of the abutting portion, which is close to the clamping elastic piece, comprises a first abutting inclined surface, and the first abutting inclined surface abuts against the clamping elastic piece when the base body is at the locking position.

As a preferable technical scheme of the lock catch, the lock catch further comprises a pressing piece, one end of the pressing piece is connected to the base body, the other end of the pressing piece is provided with a pressing portion, the pressing portion can be movably inserted into the slot on the first component, and when the base body is in the locking position, the pressing portion presses against one side, deviating from the abutting portion, of the clamping elastic piece.

As a preferable technical scheme of the lock catch, the lock catch is of an integrated structure.

The utility model provides an electric connector, includes the plug casing, the plug casing include main part and one end connect in the joint shell fragment of main part, the electric connector still includes foretell hasp, the base member activity of hasp set up in on the main part, the spacing groove has been seted up on the joint shell fragment, the base member is in when locking position, butt in joint shell fragment orientation the lateral wall of main part, the base member is in when unlocking position, joint shell fragment with butt portion has the interval, joint portion is located the spacing groove.

As a preferable aspect of the above electrical connector, the main body portion is provided with a sliding groove extending in the first direction, and the base body is slidably connected to the sliding groove.

As a preferred technical solution of the above electrical connector, an end of the clamping elastic piece, which is close to the abutting portion, includes a second abutting inclined plane, and an end of the abutting portion, which is close to the clamping elastic piece, includes a first abutting inclined plane that is in fit and abutting connection with the second abutting inclined plane.

As a preferable technical scheme of the electric connector, one side of the limiting groove, which is close to the free end of the clamping elastic piece, is provided with a blocking block.

As a preferable technical solution of the above electric connector, an end wall of the blocking block, which is close to the limit groove, includes a second guiding inclined surface.

The utility model provides an electric connector assembly, includes butt joint electric connector, butt joint electric connector is including the butt joint casing that is provided with the joint groove, electric connector assembly still includes foretell electric connector, electric connector's joint shell fragment joint in the joint groove.

The utility model has the beneficial effects that:

the utility model provides a lock catch, when a first component and a second component need to be locked, a base moves to a locking position, at the moment, an abutting part abuts against the side wall of a clamping spring plate, which is away from a clamping groove, so that the clamping spring plate cannot deform away from the clamping groove, namely, the clamping spring plate cannot be separated from the clamping groove, and the connection firmness of the first component and the second component is ensured; when the first component and the second component are required to be unlocked, the base moves to an unlocking position, at the moment, the clamping elastic piece and the abutting part are provided with intervals, and the clamping elastic piece can be driven to be separated from the clamping groove by applying acting force deviating from the clamping groove to the clamping elastic piece, so that the unlocking of the first component and the second component is completed; meanwhile, the clamping part is limited in the limiting groove on the clamping elastic sheet so as to limit the movement of the base body in the first direction, thereby preventing the lock catch from separating from the first component and avoiding the lock catch from being lost. Therefore, when the lock catch provided by the utility model is applied to the electric connectors, the firmness of connection between the electric connectors can be ensured, so that the normal conduction of current or signals is ensured.

The utility model also provides an electric connector which comprises the lock catch, so that the electric connector provided by the utility model can ensure the connection firmness between the electric connectors, thereby ensuring the normal conduction of current or signals.

The utility model also provides an electric connector assembly which comprises the electric connector, so that the electric connector assembly provided by the utility model can ensure the connection firmness between the electric connectors, thereby ensuring the normal conduction of current or signals.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is an exploded view of an electrical connector assembly according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of an electrical connector assembly according to an embodiment of the present utility model;

FIG. 3 is an exploded view of an electrical connector according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of an electrical connector according to an embodiment of the present utility model;

FIG. 5 is an exploded view of a second embodiment of the present utility model;

FIG. 6 is a top view of a latch provided by an embodiment of the present utility model;

FIG. 7 is an enlarged view at A in FIG. 5;

fig. 8 is a schematic structural diagram of a latch according to an embodiment of the present utility model.

Fig. 9 is an exploded view of an electrical connector according to an embodiment of the present utility model;

fig. 10 is a schematic view of a partially exploded structure of an electrical connector according to an embodiment of the present utility model;

FIG. 11 is a schematic cross-sectional view of a wire end connector according to an embodiment of the present utility model;

fig. 12 is a schematic diagram of a second cutaway view of the wire end connector according to the embodiment of the present utility model;

fig. 13 is a schematic structural view of a fixing member according to an embodiment of the present utility model.

In the figure:

10. a plug housing; 101. a clamping elastic sheet; 1011. a limit groove; 1012. a second abutment ramp; 1013. a blocking piece; 1014. a second guiding inclined surface; 102. a main body portion; 1020. a second cable limiting part; 1021. a first groove; 1022. a second groove; 1023. a slot; 1024. a sliding groove; 1025. a slip joint groove; 1026. a fixed section; 10261. a plug-in groove; 10262. a locking groove; 10263. a pre-locking groove; 1027. an insertion section; 10271. a recessed groove; 1028. a cable installation groove; 1029. positioning the boss;

20. a butt-joint housing; 201. a clamping groove;

30. locking; 1. a base; 11. an abutting portion; 111. a first abutment ramp; 12. a second elastic deformation portion; 121. a clamping part; 122. a material reduction groove; 13. a limit protrusion; 131. a first guiding inclined surface; 14. an avoidance groove; 15. a first elastic deformation portion; 2. a pressing member; 21. a pressing part; 22. a convex strip;

40. a cable; 401. a circumferential groove;

50. a circuit board;

60. a fixing member; 601. a first cable limiting part; 602. an insertion guide slope; 603. withdrawing the guide inclined plane; 604. a base portion; 605. an elastic arm; 606. positioning through grooves; 607. an extension; 608. a locking head.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "mounted" are to be construed broadly, and may be, for example, mounted, connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediary, or may be in communication with one another or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present embodiment provides an electrical connector assembly, which includes an electrical connector and a butt electrical connector, the electrical connector includes a plug housing 10, the plug housing 10 includes a main body 102 and a clamping spring 101 with one end connected to the main body 102, a side of the clamping spring 101 facing away from the main body 102 is provided with a clamping protrusion, the butt electrical connector includes a butt housing 20 provided with a clamping groove 201, and when the electrical connector and the butt electrical connector are in butt joint, the clamping protrusion of the clamping spring 101 is clamped in the clamping groove 201.

Specifically, in the present embodiment, the electrical connector is a wire end connector, which is connected to one end of the cable 40, and the mating electrical connector is a board end connector, which is connected to the circuit board 50, and the electrical connector and the mating electrical connector are mated, so as to achieve electrical conduction between the cable 40 and the circuit board 50. The electrical components and the connection relationships between each other within the plug housing 10 and the docking housing 20 are well known to those skilled in the art and will not be described in detail herein.

The electrical connector provided in this embodiment further includes a lock catch 30, where the lock catch 30 is used to prevent the clamping spring 101 of the electrical connector from being separated from the clamping groove 201 of the mating electrical connector, so as to ensure the connection firmness between the electrical connector and the mating electrical connector, thereby ensuring normal conduction of current or signals.

Specifically, as shown in fig. 2 and 3, the lock catch 30 is configured to prevent the clamping spring 101 on the first component from separating from the clamping groove 201 of the second component, where the lock catch 30 includes a base 1, where the base 1 can be movably disposed on the first component, and where the base 1 can reciprocate along a first direction between a locked position and an unlocked position, where the base 1 includes an abutment portion 11 and a clamping portion 121 connected to the abutment portion 11, where the abutment portion 11 abuts against a side wall of the clamping spring 101 away from the clamping groove 201 when the base 1 is in the locked position, where the clamping spring 101 and the abutment portion 11 have a gap, and where the clamping portion 121 is limited to a limiting groove 1011 on the clamping spring 101 to limit movement of the base 1 in the first direction.

When the lock catch 30 provided in this embodiment needs to lock the first component and the second component, the base 1 moves to the locking position, and at this time, the abutting portion 11 abuts against the side wall of the clamping elastic piece 101, which is away from the clamping groove 201, so that the clamping elastic piece 101 cannot be deformed away from the clamping groove 201, that is, the clamping elastic piece 101 cannot be separated from the clamping groove 201, thereby ensuring the connection firmness of the first component and the second component; when the first component and the second component need to be unlocked, the base 1 moves to an unlocking position, at this time, the clamping elastic piece 101 and the abutting part 11 have a space, and an acting force deviating from the clamping groove 201 can be applied to the clamping elastic piece 101 to drive the clamping elastic piece 101 to separate from the clamping groove 201, so that the unlocking of the first component and the second component is completed; meanwhile, the clamping part 121 is limited to the limiting groove 1011 on the clamping spring 101 to limit the movement of the base 1 in the first direction, so as to prevent the lock catch 30 from separating from the first component and prevent the lock catch 30 from being lost. The first component and the second component in this embodiment may be any two components that are connected through the clamping spring 101 and the clamping groove 201, for example, the first component and the second component are two electrical connectors that are in butt joint.

Specifically, in the present embodiment, with continued reference to fig. 2 and 3, the base 1 of the lock catch 30 is movably disposed on the main body 102, the locking spring 101 is provided with a limiting slot 1011, when the base 1 is in the locked position, the abutting portion 11 abuts against a side wall of the locking spring 101 facing the main body 102, when the base 1 is in the unlocked position, the locking spring 101 and the abutting portion 11 have a gap, and the locking portion 121 is limited in the limiting slot 1011.

Specifically, the first direction is a mating direction of the electrical connector and the mating electrical connector.

When the electric connector and the butt-joint electric connector are required to be locked, the base 1 moves to the locking position, so that the connection firmness of the electric connector and the butt-joint electric connector is ensured; when the electric connector and the butt-joint electric connector are required to be separated, the base 1 moves to the unlocking position, the clamping elastic sheet 101 is driven to be separated from the clamping groove 201 by applying acting force deviating from the clamping groove 201 to the clamping elastic sheet 101, so that unlocking is finished, and then the electric connector and the butt-joint electric connector are mutually far away from each other, so that the separation operation of the electric connector and the butt-joint electric connector is finished.

Specifically, the body 102 is provided with a slide groove 1024 extending in the first direction, and the base 1 is slidably connected to the slide groove 1024. The sliding grooves 1024 provide sliding connection between the base 1 and the main body 102, so that the movement of the base 1 is smoother.

More specifically, as shown in fig. 4, two opposite inner walls of the sliding groove 1024 are provided with sliding grooves 1025, two ends of the base 1 along the second direction are respectively slidably connected to the two sliding grooves 1025, the second direction is perpendicular to the first direction, and the sliding grooves 1025 realize sliding connection between the base 1 and the main body 102, so that the base 1 can only move along the first direction relative to the main body 102, thereby ensuring the movement stability of the base 1.

Specifically, as shown in fig. 5, the base 1 further includes a limiting protrusion 13, where the limiting protrusion 13 is connected to an end of the abutment 11 along the second direction, the limiting protrusion 13 is limited to the first groove 1021 on the first component when the base 1 is in the locked position, and the limiting protrusion 13 is limited to the second groove 1022 on the first component when the base 1 is in the unlocked position. That is, when the base 1 is at the locking position, the limiting protrusion 13 is matched with the first groove 1021 to limit the position of the base 1, so that the firmness of the base 1 in abutting against the clamping elastic sheet 101 is ensured, and the firmness of abutting joint of the electric connector and the abutting joint electric connector is further improved; when the base 1 is in the unlocking position, the limiting protrusion 13 and the second groove 1022 cooperate to limit the position of the base 1, and further prevent the lock catch 30 from being separated from the first component.

Specifically, in the present embodiment, as shown in fig. 4 to 6, the first groove 1021 and the second groove 1022 are formed on two opposite inner walls of the sliding groove 1024 of the electrical connector, the base 1 includes two limiting protrusions 13, the limiting protrusions 13 are respectively connected to two ends of the abutting portion 11 along the second direction, and the two limiting protrusions 13 respectively cooperate with the first groove 1021 or the second groove 1022 limited on two sides, so that the limiting effect on the base 1 is better.

More specifically, the side of the limit projection 13 near the snap dome 101 includes a first guide slope 131. The first guide slope 131 is provided such that the stopper protrusion 13 is easily slid into the second groove 1022 from the outside and is easily slid into the first groove 1021 from the second groove 1022. In the present embodiment, the side of the limit projection 13 facing away from the first guide slope 131 includes a third guide slope, and the third guide slope is provided so that the limit projection 13 is easily slid into the second groove 1022 from the first groove 1021 and slid out from the second groove 1022.

Specifically, as shown in fig. 6, the base 1 is provided with a relief groove 14, and a first elastic deformation portion 15 is provided between the relief groove 14 and the limit projection 13. When the limiting protrusion 13 slides to be abutted against the inner wall of the sliding groove 1024, the inner wall of the sliding groove 1024 applies extrusion force to the limiting protrusion 13, the limiting protrusion 13 extrudes the first elastic deformation portion 15 to elastically deform towards the avoiding groove 14, the phenomenon that the sliding smoothness of the base body 1 is affected due to the fact that the extrusion of the limiting protrusion 13 and the inner wall of the sliding groove 1024 is too tight is avoided, when the limiting protrusion 13 moves to the first groove 1021 or the second groove 1022, the extrusion force received by the limiting protrusion 13 is removed, the elastic deformation portion 15 is restored to the original shape, and the limiting protrusion 13 is driven to move to be limited in the first groove 1021 or the second groove 1022.

More specifically, two first elastic deformation portions 15 are respectively provided protruding at both ends of the abutting portion 11 in the second direction, and two first elastic deformation portions 15 are respectively provided slidably in two sliding grooves 1025.

Specifically, as shown in fig. 7, a blocking block 1013 is disposed on a side of the limiting slot 1011 near the free end of the clamping spring 101. The blocking block 1013 prevents the clamping part 121 from withdrawing from the limit groove 1011, and ensures the reliability of the limit groove 1011 to limit the clamping part 121.

More specifically, the end wall of the blocking piece 1013 adjacent to the limit groove 1011 includes a second guide slope 1014. The second guiding inclined surface 1014 facilitates the sliding of the clamping portion 121 into the limit slot 1011 and the dismounting of the latch 30 from the plug housing 10 when the latch 30 is assembled with the plug housing 10.

Specifically, as shown in fig. 6 and 8, the base 1 includes a second elastic deformation portion 12, one end of the second elastic deformation portion 12 is connected to the abutment portion 11, the other end extends obliquely toward the engagement elastic sheet 101, and the engagement portion 121 is disposed at an end of the second elastic deformation portion 12 facing away from the abutment portion 11. By this arrangement, the clamping portion 121 always contacts the side wall of the clamping spring 101 facing the main body 102, so that the clamping portion 121 can be ensured to be smoothly clamped into the limiting slot 1011.

More specifically, the second elastic deformation portion 12 is provided with a material reducing groove 122, and an outer edge of an end of the material reducing groove 122 facing away from the abutment portion 11 is a clamping portion 121. The material is reduced by the material reducing groove 122, and the clamping portion 121 is formed.

Specifically, as shown in fig. 8, an end of the abutting portion 11 near the locking spring 101 includes a first abutting inclined surface 111, and when the base 1 is in the locked position, the first abutting inclined surface 111 abuts against the locking spring 101. The arrangement of the first abutting inclined surface 111 increases the abutting area of the abutting part 11 and the clamping elastic piece 101, and further improves the limiting effect on the clamping elastic piece 101; moreover, the first abutting inclined surface 111 makes the end of the abutting portion 11 close to the clamping elastic piece 101 thinner, so that the abutting portion can smoothly penetrate between the clamping elastic piece 101 and the main body portion 102; and the free end of the clamping spring piece 101 can be guided to move along the direction towards the clamping groove 201, so that the clamping protrusion of the clamping spring piece 101 is firmly clamped in the clamping groove 201.

More specifically, in the present embodiment, as shown in fig. 4, an end of the clamping spring 101 near the abutting portion 11 includes a second abutting inclined surface 1012, and as shown in fig. 8, an end of the abutting portion 11 near the clamping spring 101 includes a first abutting inclined surface 111 that is in mating abutment with the second abutting inclined surface 1012. So set up, can guarantee that butt portion 11 penetrates smoothly between joint shell fragment 101 and the main part 102, make the protruding fixedly joint of card of joint shell fragment 101 in joint groove 201 moreover to, second butt inclined plane 1012 and first butt inclined plane 111 cooperation butt has further increased the area of contact of joint shell fragment 101 and butt portion 11, further improves the spacing effect to joint shell fragment 101.

Specifically, as shown in fig. 4 and 8, the lock catch 30 further includes a pressing member 2, one end of the pressing member 2 is connected to the base 1, the other end is a pressing portion 21, the pressing portion 21 can be movably inserted into a slot 1023 on the first component, and when the base 1 is in the locking position, the pressing portion 21 presses against a side of the clamping elastic sheet 101 away from the abutting portion 11. The pressing piece 2 further limits the clamping elastic piece 101, and further improves the limiting effect of the clamping elastic piece 101.

Specifically, in the present embodiment, as shown in fig. 4, a slot 1023 penetrating along the first direction is disposed on the main body 102 of the electrical connector, the slot 1023 is disposed at one end of the sliding slot 1024 and is communicated with the sliding slot 1024, the free end of the clamping spring 101 passes through the slot 1023 and extends into the sliding slot 1024, the pressing portion 21 of the pressing member 2 is movably inserted into the slot 1023 on the electrical connector, and when the base 1 is in the locking position, the pressing portion 21 presses against a side of the clamping spring 101 facing away from the abutting portion 11.

More specifically, a plurality of sequentially spaced convex strips 22 are arranged on one side of the pressing member 2 away from the base body 1 in a protruding manner, and the convex strips 22 are used for increasing friction and facilitating movement of the hand-driven lock catch 30.

Specifically, the lock catch 30 is of an integrally formed structure, so that the manufacturing cost is reduced, and the overall structural strength is improved.

As shown in fig. 9 to 13, the electrical connector provided in this embodiment further includes a fixing member 60, a cable mounting groove 1028 penetrating the main body 102 along a first direction is provided in the main body 102, the cable mounting groove 1028 is used for penetrating the cable 40, an inserting groove 10261 communicating with the cable mounting groove 1028 is provided on an outer sidewall of the main body 102, locking grooves 10262 are provided on two opposite inner sidewalls of the inserting groove 10261 along a second direction, and the locking grooves 10262 are blind grooves; the inside of mounting 60 is provided with first cable spacing portion 601, and the outside of the both ends along the second direction of mounting 60 all protrudes and is provided with locking head 608, and mounting 60 can cartridge in cartridge groove 10261, and locking head 608 one-to-one joint is in locking groove 10262, and first cable spacing portion 601 joint is in the circumference recess 401 of cable 40.

In the electrical connector provided in this embodiment, when connecting the cable 40, the connection end of the cable 40 is inserted into the cable mounting groove 1028 of the main body 102, and then the fixing member 60 is inserted into the insertion groove 10261 of the main body 102, at this time, the locking heads 608 are correspondingly locked in the locking grooves 10262, and the first cable limiting portion 601 is locked in the circumferential groove 401 of the cable 40, so that the connection reliability of the cable 40 and the electrical connector is improved by the fixing member 60; moreover, the locking groove 10262 is a blind groove, so that the structural strength of the main body 102 is not seriously affected due to the opening of the locking groove 10262, that is, the connection reliability of the electric connector and the cable 40 is improved, and the structural strength of the main body 102 is ensured to be enough, so that the normal conduction of current or signals is ensured.

Specifically, as shown in fig. 10 and 11, a pre-locking groove 10263 spaced from the locking groove 10262 is provided on a side of each locking groove 10262 close to the notch of the insertion groove 10261, the pre-locking groove 10263 is a blind groove, and the locking heads 608 can be engaged in the pre-locking grooves 10263 in a one-to-one correspondence. When the cable 40 is not penetrated, the fixing piece 60 partially penetrates the inserting groove 10261, the locking heads 608 are clamped in the pre-locking groove 10263 in a one-to-one correspondence manner, the pre-locking of the fixing piece 60 and the main body 102 is realized, at the moment, the fixing piece 60 does not penetrate the cable mounting groove 1028 yet, the penetrating operation of the cable 40 can be performed, the fixing piece 60 is continuously inserted after the cable 40 penetrates, the locking heads 608 are clamped in the locking groove 10262 in a one-to-one correspondence manner, and at the moment, the first cable limiting part 601 is clamped in the circumferential groove 401 of the cable 40, so that the fixation of the cable 40 is realized. The cooperation of the pre-lock slot 10263 and the locking head 608 achieves pre-locking of the securing member 60, avoiding loss of the securing member 60.

More specifically, as shown in fig. 13, the locking head 608 includes an insertion guide slope 602 and an ejection guide slope 603 disposed opposite to each other. Insertion guide ramp 602 allows locking head 608 to slide smoothly into pre-lock groove 10263 or locking groove 10262, and withdrawal guide ramp 603 allows locking head 608 to slide smoothly out of pre-lock groove 10263 or locking groove 10262.

Specifically, as shown in fig. 9 and 12, the inner wall of the cable mounting groove 1028 is provided with a second cable limiter 1020, and the second cable limiter 1020 can be clamped in the circumferential groove 401 of the cable 40. The clamping connection between the second cable limiting portion 1020 and the circumferential groove 401 further improves the firmness of fixing the cable 40.

Specifically, a plurality of cable mounting grooves 1028 are disposed in the main body 102 at intervals, a plurality of inserting grooves 10261 are disposed on the outer side wall of the main body 102 at intervals, each inserting groove 10261 is correspondingly communicated with a plurality of cable mounting grooves 1028, and a plurality of fixing members 60 and a plurality of inserting grooves 10261 are correspondingly inserted one by one. This arrangement enables the main body 102 to fix a plurality of cables 40 simultaneously. In this embodiment, four cable mounting grooves 1028 are disposed in the main body 102, the four cable mounting grooves 1028 are distributed in two rows and two columns, one cable 40 is inserted into each cable mounting groove 1028, two opposite outer side walls of the main body 102 are provided with one insertion groove 10261, and each insertion groove 10261 is correspondingly communicated with two cable mounting grooves 1028, that is, two cables 40 are fixed by each fixing member 60.

More specifically, as shown in fig. 11, two first cable limiting portions 601 disposed opposite to each other in the second direction are disposed on the fixing member 60 corresponding to each cable mounting slot 1028, and the second cable limiting portion 1020 disposed in each cable mounting slot 1028 can be disposed between the two first cable limiting portions 601 on the fixing member 60 corresponding thereto. So set up for at least half of the circumferential groove 401 of cable 40 receives the restriction of first cable spacing portion 601 and second cable spacing portion 1020, further guaranteed the firm nature of cable 40 fixation.

Specifically, as shown in fig. 13, the fixing member 60 includes a base portion 604 and two elastic arms 605, one ends of the two elastic arms 605 are respectively connected to both ends of the base portion 604 in the second direction, and the other ends of the two elastic arms 605 are each provided with a locking head 608. The elastic arm 605 is deformed to smoothly clamp the locking head 608 to the locking groove 10262 or the pre-locking groove 10263.

In this embodiment, as shown in fig. 11 and 13, the inner wall of each elastic arm 605 is provided with a first cable limiting portion 601, a middle plate is connected between two elastic arms 605 in the middle of the base portion 604, the middle plate includes two first cable limiting portions 601 disposed opposite along the second direction, and the first cable limiting portion 601 on each elastic arm 605 and one first cable limiting portion 601 of the middle plate are clamped in the circumferential groove 401 of the same cable 40, so that the fixing member 60 can fix two cables 40 simultaneously.

Specifically, as shown in fig. 10, the base portion 604 is provided with a positioning through slot 606, the main body portion 102 is provided with a positioning boss 1029, and the positioning boss 1029 can be positioned and inserted into the positioning through slot 606. The mating of the detent channel 606 and detent boss 1029 enables an aligned insertion of the securing member 60 and the body portion 102.

Specifically, as shown in fig. 1, 2 and 10, the main body 102 includes a fixing section 1026 and an inserting section 1027 that are connected to each other along a first direction, the cable mounting slot 1028 penetrates the fixing section 1026 and the inserting section 1027, the inserting slot 10261 is opened in the fixing section 1026, and the inserting section 1027 can be inserted into the mating housing 20 of the mating electrical connector. The insertion section 1027 is adapted to mate with the docking housing 20.

More specifically, the fixing member 60 further includes an extension portion 607, the extension portion 607 is connected to one end of the base portion 604 along the first direction, the insertion section 1027 is provided with a fitting groove 10271, and the extension portion 607 is embedded in the fitting groove 10271 and can be inserted into the docking housing 20. The extension portion 607 is simultaneously inserted into the docking housing 20 along with the insertion section 1027, and the extension portion 607 is restricted from being separated by the docking housing 20, so as to realize the anti-falling effect.

In this embodiment, the fixing member 60 is an integrally formed structure, which reduces the manufacturing cost and improves the overall structural strength.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A lock catch for preventing a clamping spring piece (101) on a first component from being separated from a clamping groove (201) of a second component, characterized in that the lock catch (30) comprises a base body (1), the base body (1) can be movably arranged on the first component, the base body (1) can reciprocate between a locking position and an unlocking position along a first direction, the base body (1) comprises a abutting part (11) and a clamping part (121) connected with the abutting part (11), the abutting part (11) abuts against a side wall of the clamping spring piece (101) deviating from the clamping groove (201) when the base body (1) is in the locking position, the clamping spring piece (101) and the abutting part (11) are provided with intervals, and the clamping part (121) is limited to a limiting groove (1011) on the clamping spring piece (101) so as to limit the movement of the base body (1) in the first direction.

2. The shackle of claim 1, wherein the base body (1) further comprises a limit protrusion (13), the limit protrusion (13) being connected to an end of the abutment (11) in a second direction, the second direction being perpendicular to the first direction, the limit protrusion (13) being limited to a first recess (1021) on the first component when the base body (1) is in the locked position, the limit protrusion (13) being limited to a second recess (1022) on the first component when the base body (1) is in the unlocked position.

3. The latch according to claim 2, wherein the side of the limit projection (13) adjacent to the snap dome (101) comprises a first guiding ramp (131).

4. The lock catch according to claim 2, characterized in that the base body (1) is provided with an avoidance groove (14), and a first elastic deformation part (15) is arranged between the avoidance groove (14) and the limit protrusion (13).

5. The lock catch according to claim 1, wherein the base body (1) includes a second elastic deformation portion (12), one end of the second elastic deformation portion (12) is connected to the abutment portion (11), the other end extends obliquely toward the clamping spring piece (101), and the clamping portion (121) is disposed at an end of the second elastic deformation portion (12) facing away from the abutment portion (11).

6. The lock catch according to claim 5, wherein the second elastic deformation portion (12) is provided with a material reducing groove (122), and an outer edge of one end of the material reducing groove (122) facing away from the abutting portion (11) is the clamping portion (121).

7. The latch according to any one of claims 1-6, wherein an end of the abutment (11) adjacent to the snap dome (101) comprises a first abutment ramp (111), the first abutment ramp (111) abutting the snap dome (101) when the base body (1) is in the locked position.

8. The lock catch according to any one of claims 1 to 6, wherein the lock catch (30) further comprises a pressing member (2), one end of the pressing member (2) is connected to the base body (1), the other end of the pressing member is a pressing portion (21), the pressing portion (21) can be movably inserted into a slot (1023) formed in the first component, and when the base body (1) is in the locking position, the pressing portion (21) presses against a side, away from the abutting portion (11), of the clamping elastic sheet (101).

9. The shackle of any one of claims 1-6, wherein the shackle (30) is of unitary formed construction.

10. The utility model provides an electric connector, includes plug casing (10), plug casing (10) include main part (102) and one end connect in joint shell fragment (101) of main part (102), its characterized in that, electric connector still includes hasp (30) according to any one of claims 1-9, base member (1) activity of hasp (30) set up in on main part (102), limit groove (1011) have been seted up on joint shell fragment (101), base member (1) are in the lock position, butt portion (11) in joint shell fragment (101) orientation the lateral wall of main part (102), base member (1) are in the unlock position, joint shell fragment (101) with butt portion (11) have the interval, joint portion (121) are limited in limit groove (1011).

11. The electrical connector according to claim 10, wherein the main body portion (102) is provided with a sliding groove (1024) extending along the first direction, the base body (1) being slidably connected to the sliding groove (1024).

12. The electrical connector according to claim 10, wherein an end of the snap dome (101) adjacent to the abutment portion (11) comprises a second abutment slope (1012), and an end of the abutment portion (11) adjacent to the snap dome (101) comprises a first abutment slope (111) in mating abutment with the second abutment slope (1012).

13. The electrical connector according to claim 10, wherein a stopper (1013) is provided on a side of the limit groove (1011) near the free end of the snap spring (101).

14. The electrical connector of claim 13, wherein an end wall of the blocking block (1013) proximate the limit slot (1011) includes a second guide ramp (1014).

15. An electrical connector assembly comprising a mating electrical connector comprising a mating housing (20) provided with a clamping groove (201), characterized in that the electrical connector assembly further comprises an electrical connector according to any one of claims 10-14, the clamping spring (101) of the electrical connector being clamped in the clamping groove (201).