Nitrogen-oxygen ceramic wiring terminal assembly

Abstract

The utility model relates to a nitrogen-oxygen ceramic wiring terminal assembly, which comprises a seat body and a plurality of contact pieces, a wiring clamp is formed at one end of each contact piece, a connecting hook is formed at the other end of each contact piece, a connecting arm is formed on each contact piece, and the end part of each connecting arm is bent towards the corresponding contact piece to form a clamping arm. A connecting hole opposite to the connecting arm is formed in the base body, a clamping step is arranged on the inner wall of the connecting hole, the connecting bent hook is hooked to the end of the base, and the connecting arm is inserted into the connecting hole so that the end of the clamping arm can abut against the clamping step. The nitrogen-oxygen ceramic wiring terminal assembly is simple and convenient to assemble, the contact piece and the seat body are connected more stably and are not easy to loosen, and the stability of the wiring terminal assembly in use is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a joint assembly technical field for vehicle, especially a nitrogen oxygen ceramic terminal assembly. BACKGROUND

[0002] The nitrogen oxygen ceramic terminal assembly is a kind of vehicle wiring harness connector, is used for the insertion of wiring harness, is formed by the seat body of nitrogen oxygen ceramic material and the contact patch of metal material, based on the characteristics of nitrogen oxygen ceramic, with high hardness, high strength, high wear resistance, strong high temperature oxidation resistance and other advantages, in prior art, as shown in figure, the connection of contact patch and seat body is realized by the interference fit of the recess formed on the connecting arm of contact patch and the convex point on seat body, and the connection mode of this interference fit has a certain probability of loosening when the contact patch is stressed, and the contact patch is detached from the seat body, which affects the normal use of nitrogen oxygen ceramic terminal assembly. Figure 1

[0003] In view of the above problems, the utility model improves. UTILITY MODEL CONTENTS

[0004] The utility model provides a nitrogen oxygen ceramic terminal assembly, solves the above problems existing in the use process of prior art.

[0005] The technical scheme of the utility model is as follows:

[0006] A nitrogen oxygen ceramic terminal assembly, comprising a seat body and a plurality of contact patches, one end of the contact patch is formed with a wire clamp, the other end is formed with a connecting hook, a connecting arm is formed on the contact patch, the end of the connecting arm is bent to form a clamping arm, a connecting hole opposite to the connecting arm is formed on the seat body, a clamping step is formed on the inner wall of the connecting hole, the connecting hook is hooked on the end of the base, and the connecting arm is inserted into the connecting hole, so that the end of the clamping arm abuts on the clamping step.

[0007] Preferably, the connecting hole is formed with a guide slope towards the port of the contact patch.

[0008] Preferably, the end of the seat body is formed with a hooking portion with trapezoidal cross section, and the connecting hook is hooked on the hooking portion.

[0009] Preferably, a plurality of first limiting ribs are formed on the hooking portion between adjacent two connecting hooks.

[0010] Preferably, the part of the contact patch between the wire clamp and the connecting arm is protruded towards the seat body to form an arc-shaped anti-bending portion, the end of the base is formed with an abutting slope, and the anti-bending portion abuts on the abutting slope.

[0011] Preferably, a plurality of second limiting ribs are formed on the abutting slope between adjacent two anti-bending portions. ​

[0012] In summary, the beneficial effects of the utility model lie in: the cooperation of the clamping arm and the clamping step exerts a limit on the displacement of the contact piece relative to the seat body in the thickness direction of the seat body, the cooperation of the connecting arm and the connecting hook exerts a limit on the displacement of the contact piece relative to the seat body in the length direction of the seat body, the fixed connection of the contact piece and the seat body is realized, and the cooperation of the clamping arm and the clamping step is not prone to loosening when the contact piece is subjected to external force, thereby improving the stability of the contact piece fixedly connected to the seat body, and further improving the stability of the nitrido-oxo ceramic terminal assembly during use. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Figure 1 It is a structure diagram of the contact piece of the nitrido-oxo ceramic terminal assembly in the prior art;

[0015] Figure 2 It is a structure diagram of the present utility model;

[0016] Figure 3 It is a cross-sectional view of the present utility model;

[0017] Figure 4 It is a structure diagram of the base in the present utility model;

[0018] Figure 5 It is a structure diagram of the contact piece in the present utility model.

[0019] In the drawing: 1, seat body; 11, connecting hole; 12, clamping step; 13, guide inclined surface; 14, hooking part; 15, first limiting rib; 16, abutting inclined surface; 17, second limiting rib; 2, contact piece; 21, wire clamp; 22, connecting hook; 23, connecting arm; 24, clamping arm; 25, anti-bending part. DETAILED DESCRIPTION

[0020] The following will combine the drawings in the embodiments of the present utility model to Figures 1-5 The technical solutions in the embodiments of the present utility model are clearly and completely described, obviously, the described embodiments are only some embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present utility model.

[0021] As shown in the figure, a nitride oxide ceramic terminal assembly comprises a base 1 and a plurality of contact pieces 2, the contact pieces 2 are formed with a wire clamp 21 at one end and a connecting hook 22 at the other end, the contact pieces 2 are formed with a connecting arm 23, the connecting arm 23 is bent at the end to form a clamping arm 24, the base 1 is formed with a connecting hole 11 opposite to the connecting arm 23, the connecting hole 11 is formed with a clamping step 12 on the inner wall, the connecting hook 22 is hooked on the end of the base, and the connecting arm 23 is inserted into the connecting hole 11 so that the end of the clamping arm 24 is abutted on the clamping step 12.

[0022] In the above structure, the wire clamp 21 is used to connect the wire harness so that the contact pieces 2 are connected with the wire harness, when assembling the nitride oxide ceramic terminal assembly, the connecting hook is hooked on the end of the base, and the contact pieces 2 are swung towards the base 1 so that the connecting arm 23 and the clamping arm 24 are inserted into the connecting hole 11, the clamping arm 24 is bent and deformed under the action of the inner wall of the connecting hole 11 towards the connecting arm 23, when the clamping arm 24 moves with the connecting arm 23 to the position of the clamping step 12, the clamping arm 24 restores so that the end thereof is clamped on the clamping step 12, at this time, the contact pieces 2 are abutted on the surface of the base 1, the displacement of the contact pieces 2 relative to the base 1 in the length direction of the base 1 is limited by the cooperation of the connecting hook 22 and the connecting arm 23, and the displacement of the contact pieces 2 relative to the base 1 in the thickness direction of the base 1 is limited by the cooperation of the clamping arm 24 and the clamping step 12, so that the contact pieces 2 are fixedly connected to the base 1, and when the contact pieces 2 are moved by external force, the cooperation of the clamping arm 24 and the clamping step 12 is not easy to be loosened, so that the connecting arm 23 is kept in the connecting hole 11, the stability of the contact pieces 2 fixedly connected to the base 1 is improved, and the stability of the nitride oxide ceramic terminal in use is ensured.

[0023] In addition, the port of the connecting hole 11 towards the contact pieces 2 is formed with a guide slope 13, in the process of swinging the contact pieces 2 to insert the connecting arm 23 and the clamping arm 24 into the connecting hole 11 after the connecting hook 22 is hooked on the end of the base 1, the guide slope 13 plays a guiding role in the action of the connecting arm 23 and the clamping arm 24 inserted into the connecting hole 11, which facilitates the operation of fixing the contact pieces 2 to the base 1, and is convenient for assembling the nitride oxide ceramic terminal assembly.

[0024] In addition, the end of the seat body 1 is formed with a hooking portion 14 in a trapezoidal cross section, the connecting hook 22 is hooked on the hooking portion 14, and the small end of the hooking portion 14 in the trapezoidal cross section is directed to the inner side of the connecting hook 22, so that the connecting hook 22 is conveniently hooked on the hooking portion 14 and has a certain swing space on the hooking portion 14, thereby facilitating the extension of the connecting arm 23 and the clamping arm 24 into the connecting hole 11 for the assembly of the contact piece 2, and the hooking portion 14 provides a certain swing space for the connecting hook 22, so that the end of the connecting hook 22 can be longer, thereby strengthening the limiting effect of the connecting arm 23 on the contact piece 2 relative to the seat body 1 after the connecting hook 22 is hooked on the hooking portion 14, and improving the stability of the contact piece 2 fixedly connected to the seat body 1.

[0025] In addition, the hooking portion 14 is formed with a plurality of first limiting ribs 15 between adjacent two connecting hooks 22, the first limiting ribs 15 limit the displacement of the connecting hook 22 relative to the seat body 1 in the width direction of the seat body 1, thereby improving the stability of the contact piece 2 fixedly connected to the seat body 1, and the spacing between the two first limiting ribs 15 provides a positioning effect during the assembly of the contact piece 2, thereby facilitating the assembly operation.

[0026] In addition, the portion of the contact piece 2 between the wire clamp 21 and the connecting arm 23 is formed with an anti-bending portion 25 protruding towards the seat body 1 in a circular arc shape, the end of the base is formed with an abutting inclined surface 16, the anti-bending portion 25 abuts on the abutting inclined surface 16, the anti-bending portion 25 in the circular arc shape plays a buffering role when the wire clamp 21 connected with the wire harness is pushed by external force, so that the contact piece 2 is not easy to be bent and deformed, and the abutting inclined surface 16 leaves a space in the thickness of the seat body 1 for the anti-bending portion 25, so that the wire clamp 21 and the main body of the contact piece 2 are located in the same plane, so that the contact piece 2 is more balanced under stress and is not easy to be deformed.

[0027] In addition, the abutting inclined surface 16 is formed with a plurality of second limiting ribs 17 between adjacent two anti-bending portions 25, the second limiting ribs 17 limit the displacement of the anti-bending portion 25 relative to the seat body 1 in the width direction of the seat body 1, thereby improving the stability of the contact piece 2 fixedly connected to the seat body 1.

[0028] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A nitrogen-oxygen ceramic terminal assembly, comprising a base (1) and a plurality of contact pieces (2), wherein one end of each contact piece (2) has a through-hole clamp (21) and the other end has a through-hole hook (22), characterized in that: A connecting arm (23) is formed on the contact piece (2). The end of the connecting arm (23) is bent toward the contact piece (2) to form a snap-fit ​​arm (24). A connecting hole (11) opposite to the connecting arm (23) is provided on the base body (1). A snap-fit ​​step (12) is provided on the inner wall of the connecting hole (11). The connecting hook (22) is hooked onto the end of the base. The connecting arm (23) is inserted into the connecting hole (11) so that the end of the snap-fit ​​arm (24) abuts against the snap-fit ​​step (12).

2. The nitrogen-oxygen ceramic terminal assembly according to claim 1, characterized in that: The port of the connection hole (11) facing the contact piece (2) has a guide slope (13).

3. The nitrogen-oxygen ceramic terminal assembly according to claim 1, characterized in that: The end of the seat (1) is formed with a hook (14) with a trapezoidal cross section, and the connecting hook (22) hooks onto the hook (14).

4. The nitrogen-oxygen ceramic terminal assembly according to claim 3, characterized in that: The hook portion (14) has a plurality of first limiting ribs (15) located between two adjacent connecting hooks (22).

5. The nitrogen-oxygen ceramic terminal assembly according to claim 1, characterized in that: The portion of the contact piece (2) located between the wiring clamp (21) and the connecting arm (23) protrudes towards the base (1) to form an arc-shaped anti-bending portion (25), and the end of the base has an abutting slope (16), and the anti-bending portion (25) abuts against the abutting slope (16).

6. The nitrogen-oxygen ceramic terminal assembly according to claim 5, characterized in that: A plurality of second limiting ribs (17) are formed on the abutting inclined surface (16) between two adjacent bending portions (25).

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