Terminal locking structure and connector

Abstract

The utility model belongs to the technical field of connectors, and particularly relates to a terminal locking structure and a connector, the terminal locking structure comprises a locking structure main body and a locking structure extension part, the locking structure extension part is arranged at the top end of the locking structure main body, and the side surface of the locking structure extension part protrudes out of the locking structure main body; the locking structure main body comprises a first locking block and a second locking block, avoiding grooves are formed in the two sides of the locking structure extension part and used for forming repair buckle positions at the attachment position of the locking structure extension part and the connector rubber shell, and it is ensured that the terminal locking structure can be firmly installed on the connector rubber shell through the first locking block and the second locking block; and meanwhile, the terminal locking structure and the connector rubber shell can be conveniently pried up and separated through the formed repair buckle position, so that repair is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of connectors, and in particular relates to a terminal locking structure and a connector. Background Art

[0002] The line end connector is a component used to connect an electrical device or unit to a power / signal conductor, and generally includes a connector shell, a plurality of connection terminals installed in the connector shell, and a terminal locking structure for fixing the connection terminals. When the connection terminals are installed in the connector shell, the terminal locking structure is generally used to cooperate with the connector shell to clamp the connection terminals in the installation groove of the connector shell, and the hook structure in the terminal locking structure cooperates with the terminal interface seat to achieve the connection between the line end connector and the electrical device or unit;

[0003] However, in the prior art, the terminal locking structure is generally only provided with guide blocks on both sides to lock and fix with the connector plastic shell. After installation, the terminal locking structure is prone to left and right displacement, affecting the fixing effect of the terminal; and during rework, the terminal locking structure is not easy to remove, affecting the work efficiency of the rework inspection. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a terminal locking structure to solve the problem that the terminal locking structure of the prior art is easily displaced left and right after installation, affecting the fixing effect of the terminal, and the terminal locking structure is not easy to remove during repair.

[0005] One solution of the utility model provides a terminal locking structure, comprising a locking structure main body and a locking structure extension portion, wherein the locking structure extension portion is arranged at the top end of the locking structure main body, and the side surface of the locking structure extension portion protrudes from the locking structure main body;

[0006] The locking structure body comprises a first locking block and a second locking block, wherein the first locking block is used for positioning and matching with the connector plastic shell, and the second locking block is used for locking and fixing the locking structure body with the connector plastic shell;

[0007] Avoidance grooves are arranged on both sides of the locking structure extension part, which are used to form a repair buckle position at the joint with the connector plastic shell.

[0008] In this solution, the first locking block and the second locking block ensure that the terminal locking structure can be firmly installed on the connector rubber shell; the avoidance groove forms a rework buckle position at the joint with the connector rubber shell, which is convenient for prying and separating the terminal locking structure from the connector rubber shell through the rework buckle position, thereby facilitating rework.

[0009] In one of the schemes of the present invention, the terminal locking structure also includes an elastic locking member, which is arranged on the first surface of the locking structure body, and the elastic locking member has a locking hook, which is used to lock and fix with the terminal interface seat.

[0010] In one solution of the utility model, the elastic locking member is detachably connected to the locking structure body, and the elastic locking member includes a first locking base and a first elastic sheet;

[0011] The first surface is provided with a receiving groove for receiving the first locking base, and the opening of the receiving groove is provided with a guiding surface for guiding the elastic locking member to enter the receiving groove.

[0012] In one solution of the present invention, one end of the first spring sheet is connected to the first lock base, and the other end is tilted outward of the first lock base; the lock hook is arranged on the first spring sheet.

[0013] In one solution of the present invention, the elastic locking member is integrally formed with the locking structure body, and the elastic locking member includes a second locking base and a second elastic sheet.

[0014] The second locking base is a boss to which the locking structure body is fixedly connected;

[0015] One end of the second elastic sheet is connected to the second lock base, the second elastic sheet is suspended in the air through the second lock base, and the lock hook is arranged on the second elastic sheet.

[0016] In one of the schemes of the present invention, the locking structure body also includes a limiting structure, which includes a group of symmetrically arranged limiting blocks, and the limiting blocks are arranged on both sides of the end of the second spring sheet away from the second lock base to make the second spring sheet parallel to the first surface.

[0017] In one solution of the present utility model, the first locking block is arranged at the bottom end of the locking structure body;

[0018] And / or, at least two second locking blocks are provided, and the two second locking blocks are symmetrically arranged on both sides of the locking structure body.

[0019] In one of the schemes of the utility model, the locking structure extension is further provided with a process groove, which is located at the end of the locking structure extension away from the first locking block and is used for fixing the terminal locking structure with the positioning block of the connector shell.

[0020] In one solution of the utility model, the locking structure body is further provided with a wire end guide groove and a wire end fixing block on a second surface opposite to the first surface, and the wire end fixing block is provided in the length direction of the wire end guide groove;

[0021] The wire end guide groove is a groove on the second surface, used for guiding and positioning the wire to be connected;

[0022] The wire end fixing block is a convex block protruding from the second surface, and is used to clamp and position the wire to be connected in cooperation with the connector plastic shell.

[0023] The above solution of the utility model has the following beneficial effects:

[0024] 1. The first locking block is used to position and cooperate with the connector plastic shell when the terminal locking structure is installed, forming a positioning fulcrum for the terminal locking structure on the connector plastic shell;

[0025] 2. The second locking block is used to lock and fix the locking structure body and the connector plastic shell;

[0026] 3. The process groove is used for fixing the terminal locking structure with the positioning block of the connector plastic shell to prevent the terminal locking structure from shifting left and right on the connector plastic shell;

[0027] 4. The first locking block, the second locking block and the process groove realize the positioning and locking of the terminal locking structure in three different directions of the connector plastic shell, ensuring that the terminal locking structure can be firmly installed on the connector plastic shell.

[0028] 5. The avoidance groove is used to form a rework buckle position at the joint with the connector plastic shell, so that the terminal locking structure and the connector plastic shell can be pried up and separated through the rework buckle position to facilitate rework.

[0029] In one of the schemes of the utility model, a connector is also pointed out, including a connector plastic shell, a terminal locking structure and a terminal interface seat;

[0030] Wherein, the terminal locking structure is the terminal locking structure described in any one of the above-mentioned multiple schemes. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0032] Figure 1 A three-dimensional structural schematic diagram showing a terminal locking structure according to one embodiment of the utility model;

[0033] Figure 2 An exploded structural diagram showing a terminal locking structure of one embodiment of the utility model;

[0034] Figure 3 A schematic diagram showing the three-dimensional structure of the locking structure body of one embodiment of the utility model;

[0035] Figure 4 A schematic diagram showing the three-dimensional structure of the locking structure body of one embodiment of the utility model from another perspective;

[0036] Figure 5 A schematic diagram showing the structure of a terminal locking structure and a connector plastic shell according to one embodiment of the utility model;

[0037] Figure 6 A schematic diagram showing the structure of a connector according to one embodiment of the present invention;

[0038] Figure 7 A three-dimensional structural schematic diagram showing a terminal locking structure according to another embodiment of the utility model;

[0039] Figure 8 A three-dimensional structural schematic diagram showing another perspective of a terminal locking structure of another embodiment of the utility model;

[0040] Fig. 9 The schematic diagram shows the structure of the terminal locking structure and the connector plastic shell of another embodiment of the utility model.

[0041] The following are the descriptions of the figures:

[0042] 1-locking structure body; 101-first surface; 102-second surface; 11-first locking block; 12-second locking block; 13-accommodating groove; 131-guide surface; 14-limiting structure; 141-limiting block; 15-wire end guide groove; 16-wire end fixing block;

[0043] 2-locking structure extension; 21-avoidance groove;

[0044] 3-elastic locking member; 301-locking hook; 31-first locking base; 32-first spring piece; 33-second locking base; 34-second spring piece;

[0045] 4-Connector plastic shell;

[0046] 5-terminal interface socket. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0048] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0049] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0050] Please refer to Figure 1-Figure 5 One embodiment of the utility model provides a terminal locking structure, including a locking structure body 1 and a locking structure extension 2, wherein the locking structure extension 2 is arranged at the top of the locking structure body 1, and the side surface of the locking structure extension 2 protrudes from the locking structure body 1;

[0051] The locking structure body 1 comprises a first locking block 11 and a second locking block 12, wherein the first locking block 11 is arranged at the bottom end of the locking structure body 1, and at least two second locking blocks 12 are arranged, and the two second locking blocks 12 are symmetrically arranged on both sides of the locking structure body 1;

[0052] Avoidance grooves 21 are provided on both sides of the locking structure extension part 2, which are used to form a rework buckle position at the joint with the connector plastic shell 4; the locking structure extension part 2 is also provided with a process groove 22, and the process groove 22 is located at the end of the locking structure extension part 2 away from the first locking block 11.

[0053] In the present embodiment, the first locking block 11 is used to position and cooperate with the connector rubber shell 4 when the terminal locking structure is installed, so as to form a positioning fulcrum of the terminal locking structure on the connector rubber shell 4; the second locking block 12 is used to lock and fix the locking structure main body 1 with the connector rubber shell 4, and the process groove 22 is used for fixing the positioning block of the terminal locking structure with the connector rubber shell 4 to prevent the terminal locking structure from shifting left and right on the connector rubber shell 4, that is, in the present embodiment, the first locking block 11, the second locking block 12 and the process groove 22 are used to realize the positioning and locking of the terminal locking structure in three different directions of the connector rubber shell 4, so as to ensure that the terminal locking structure can be firmly installed on the connector rubber shell 4.

[0054] In another application scenario of this embodiment, the avoidance groove 21 is used to form a repair buckle position at the joint with the connector plastic shell 4, so that the terminal locking structure and the connector plastic shell 4 can be pried up and separated through the repair buckle position to facilitate repair.

[0055] Please refer to Figure 2 , Figure 5 In one embodiment of the utility model, the terminal locking structure also includes an elastic locking member 3, which is arranged on the first surface 101 of the locking structure body 1, and the elastic locking member 3 has a locking hook 301, and the locking hook 301 is used to lock and fix with the terminal interface seat 5.

[0056] In this embodiment, the elastic locking member 3 is used to provide elastic force for the locking hook 301. When the terminal locking structure is installed with the terminal interface seat 5, the locking hook 301 first undergoes elastic deformation and enters the terminal interface seat 5, and is reset under the elastic force of the elastic locking member 3, so that the locking hook 301 is snap-connected with the locking groove in the terminal interface seat 5 to achieve locking fixation.

[0057] Please refer to Figure 2 , Figure 5 In one embodiment of the present utility model, the elastic locking member 3 is detachably connected to the locking structure body 1, and the elastic locking member 3 includes a first locking base 31 and a first elastic sheet 32;

[0058] The first surface 101 is provided with a receiving groove 13 for receiving the first locking base 31 . The opening of the receiving groove 13 is provided with a guiding surface 131 for guiding the elastic locking member 3 to enter the receiving groove 13 .

[0059] In this embodiment, the elastic locking member 3 is configured as a detachable structure, which is convenient for replacing the damaged elastic locking member 3 separately when an accessory failure occurs, without having to replace the terminal locking structure as a whole, so that it has a longer service life; and the elastic locking member 3 can be made of a hardware structure made of an alloy material, so that it has better elasticity and reduces the product thickness while ensuring that the elastic force meets the requirements; and a guide surface 131 is provided at the opening of the accommodating groove 13, so that the elastic locking member 3 can be more conveniently installed in the accommodating groove 13.

[0060] In one of the application scenarios of this embodiment, the elastic locking component 3 is a hardware part punched and formed from any alloy material such as brass, low carbon steel, zinc alloy, stainless steel, etc., and the surface of the elastic locking component 3 is plated with nickel, chromium or zinc, so as to make the elastic locking component 3 have good elasticity and enhance the locking force of the elastic locking component 3.

[0061] Please refer to Figure 2 , Figure 5 In one embodiment of the present invention, one end of the first elastic piece 32 is connected to the first locking base 31 , and the other end is tilted outward of the first locking base 31 ; the locking hook 301 is disposed on the first elastic piece 32 .

[0062] In this embodiment, when the terminal locking structure is locked and fixed with the terminal interface seat 5, the first elastic piece 32 causes the locking hook 301 to bounce upward and be locked and fixed with the locking groove in the terminal interface seat 5, thereby achieving a fixed connection between the two.

[0063] Please refer to Figure 6-Figure 9 In one embodiment of the present utility model, the elastic locking member 3 is integrally formed with the locking structure body 1, and the elastic locking member 3 includes a second locking base 33 and a second spring sheet 34.

[0064] The second locking base 33 is a boss to which the locking structure body 1 is fixedly connected;

[0065] One end of the second elastic piece 34 is connected to the second locking base 33 , the second elastic piece 34 is suspended in the air through the second locking base 33 , and the locking hook 301 is disposed on the second elastic piece 34 .

[0066] In one of the application scenarios of this embodiment, the elastic locking component 3 and the locking structure main body 1 are an integrally molded plastic structure, so that the elastic locking component 3 has good elasticity, is conducive to the production and manufacturing of the terminal locking structure, and reduces the assembly steps of the elastic locking component 3.

[0067] Please refer to Figure 6-Figure 9In one embodiment of the utility model, the locking structure body 1 also includes a limiting structure 14, and the limiting structure 14 includes a group of symmetrically arranged "7"-shaped limiting blocks 141, and the limiting blocks 141 are arranged on both sides of the end of the second spring piece 34 away from the second lock base 33.

[0068] In this embodiment, the limiting structure 14 is used to limit the movable travel of the second elastic piece 34 so that the second elastic piece 34 is parallel to the first surface 101 and prevent the second elastic piece 34 from deforming too much during use and causing locking failure.

[0069] Please refer to Fig. 9 In one embodiment of the present utility model, the locking structure body 1 is further provided with a wire end guide groove 15 and a wire end fixing block 16 on a second surface 102 opposite to the first surface 101, and the wire end fixing block 16 is provided in the length direction of the wire end guide groove 15;

[0070] The wire end guide groove 15 is a groove of the second surface 102;

[0071] The wire end fixing block 16 is a convex block protruding from the second surface 102 and is used to clamp and position the wire to be connected in cooperation with the connector plastic shell 4 .

[0072] In this embodiment, a plurality of wire end guide grooves 15 and wire end fixing blocks 16 are provided, and any wire end guide groove 15 corresponds to at least one wire end fixing block 16, and the wire end fixing block 16 is used to cooperate with the connector plastic shell 4, so as to clamp the wire to be connected guided and positioned by the wire end guide groove 15.

[0073] Please refer to Figure 6 In one embodiment of the present utility model, a connector is also provided, including a connector plastic shell 4, a terminal locking structure and a terminal interface seat 5;

[0074] Wherein, the terminal locking structure is the terminal locking structure described in any one of the above-mentioned multiple embodiments.

[0075] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A terminal locking structure, characterized in that: It comprises a locking structure main body (1) and a locking structure extension part (2), wherein the locking structure extension part (2) is arranged at the top end of the locking structure main body (1), and the side surface of the locking structure extension part (2) protrudes from the locking structure main body (1); The locking structure body (1) comprises a first locking block (11) and a second locking block (12), wherein the first locking block (11) is used for positioning and matching with the connector plastic shell (4), and the second locking block (12) is used for locking and fixing the locking structure body (1) and the connector plastic shell (4); Avoidance grooves (21) are provided on both sides of the locking structure extension part (2) for forming a repair buckle position at the joint with the connector plastic shell (4).

2. The terminal locking structure according to claim 1, characterized in that: It also includes an elastic locking member (3), which is arranged on the first surface (101) of the locking structure body (1), and the elastic locking member (3) has a locking hook (301), and the locking hook (301) is used to lock and fix with the terminal interface seat (5).

3. The terminal locking structure according to claim 2, characterized in that: The elastic locking member (3) is detachably clamped to the locking structure body (1), and the elastic locking member (3) comprises a first locking base (31) and a first elastic sheet (32); The first surface (101) is provided with a receiving groove (13) for receiving the first locking base (31); the opening of the receiving groove (13) is provided with a guide surface (131) for guiding the elastic locking member (3) to enter the receiving groove (13).

4. The terminal locking structure according to claim 3, characterized in that: One end of the first elastic sheet (32) is connected to the first locking base (31), and the other end is tilted outward of the first locking base (31); the locking hook (301) is arranged on the first elastic sheet (32).

5. The terminal locking structure according to claim 2, characterized in that: The elastic locking member (3) is integrally formed with the locking structure body (1), and the elastic locking member (3) comprises a second locking base (33) and a second elastic sheet (34). The second locking base (33) is a boss to which the locking structure body (1) is fixedly connected; One end of the second elastic piece (34) is connected to the second locking base (33), the second elastic piece (34) is suspended in the air through the second locking base (33), and the locking hook (301) is arranged on the second elastic piece (34).

6. The terminal locking structure according to claim 5, characterized in that: The locking structure body (1) further comprises a limiting structure (14), wherein the limiting structure (14) comprises a group of symmetrically arranged limiting blocks (141), wherein the limiting blocks (141) are arranged on both sides of the end of the second elastic sheet (34) away from the second locking base (33), so that the second elastic sheet (34) is parallel to the first surface (101).

7. The terminal locking structure according to claim 2, characterized in that: The first locking block (11) is arranged at the bottom end of the locking structure body (1); And / or, at least two second locking blocks (12) are provided, and the two second locking blocks (12) are symmetrically arranged on both sides of the locking structure body (1).

8. The terminal locking structure according to claim 2, characterized in that: The locking structure extension portion (2) is also provided with a process groove (22), and the process groove (22) is located at the end of the locking structure extension portion (2) away from the first locking block (11), and is used for fixing the terminal locking structure with the positioning block of the connector plastic shell (4).

9. The terminal locking structure according to claim 8, characterized in that: The locking structure body (1) is further provided with a wire end guide groove (15) and a wire end fixing block (16) on a second surface (102) opposite to the first surface (101); the wire end fixing block (16) is arranged in the length direction of the wire end guide groove (15); The wire end guide groove (15) is a groove on the second surface (102) and is used to guide and position the wire to be connected; The wire end fixing block (16) is a convex block protruding from the second surface (102) and is used to clamp and position the wire to be connected in cooperation with the connector plastic shell (4).

10. A connector, characterized in that: It comprises a connector plastic shell (4), a terminal locking structure and a terminal interface seat (5); Wherein, the terminal locking structure is the terminal locking structure as described in any one of claims 1-9.

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