Wire harness with voltage-resistant terminals

Abstract

The wire harness comprises a wire harness body, one end of the wire harness body is provided with a first terminal mechanism, the top and the bottom of the first terminal mechanism are equidistantly provided with a plurality of clamping strips, the first terminal mechanism comprises a male head terminal, the male head terminal is fixed at one end of the wire harness body, and the male head terminal is fixed at the other end of the wire harness body. A second terminal mechanism is clamped on the outer wall of the male head terminal, and connecting mechanisms are arranged at the top and the bottom of the second terminal mechanism; the reinforcing rib is fixed in the middle of the male head terminal; the multiple bearing blocks are relatively fixed to the tops and the bottoms of the reinforcing ribs; and a plurality of steel sleeves, wherein the connecting ends of the male head terminals are arranged in the inner cavities of the steel sleeves. According to the utility model, through the cooperation of the first terminal mechanism and the second terminal mechanism, the compression resistance and pressure resistance of the terminal at the end part of the wire harness can be improved, the compression influence can be reduced, and the terminals can be prevented from being separated by using the clamping strip and the connecting mechanism, so that the connection between the wire harnesses is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harnesses, and particularly relates to a wire harness with voltage-resistant terminals. Background Art

[0002] The wire harness industrial chain includes wire and cable, connectors, processing equipment, wire harness manufacturing and downstream application industries. The wire harness is widely used and can be used in automobiles, household appliances, computers and communication equipment, various electronic instruments and meters, etc. Terminals are provided at both ends of the wire harness on an automobile. Through the connection between the terminals, it is convenient to realize the electrical connection between the wire harnesses.

[0003] Application No. 202221868917.X discloses an anti-disconnection terminal for an automobile wire harness with sealing performance, including a male terminal and a female terminal that cooperates with the male terminal. A sealing sleeve is slidably connected to the male terminal, and a fixing component is arranged between the male terminal and the female terminal. The fixing component includes a plurality of buckles symmetrically fixed on the end face of the male terminal close to the female terminal, and the buckles are buckled in the card slots opened on the female terminal. For the above wire harness, by slidably installing a sealing sleeve outside the male terminal, the connection between the male terminal and the female terminal is sealed to prevent external dust from entering. However, when the wire harness is in use, due to its special position and the narrow position where some wire harness terminals are located, it is easy to be squeezed by other parts. However, the existing terminals are basically made of plastic materials and still have deficiencies in compressive and voltage-resistant performance. When in use, due to being pressed, it is easy to cause poor connection contact between the wire harnesses on the terminals, affecting the stable use of the wire harness. Content of the Utility Model

[0004] The purpose of the utility model is to provide a wire harness with voltage-resistant terminals to solve the problems put forward in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A wire harness with voltage-resistant terminals, including: a wire harness body, a first terminal mechanism is arranged at one end of the wire harness body, and a plurality of card strips are equidistantly arranged at the top and bottom of the first terminal mechanism. The first terminal mechanism includes:

[0006] A male terminal, which is fixed at one end of the wire harness body, and a second terminal mechanism is clamped on the outer wall of the male terminal. Connection mechanisms are arranged at the top and bottom of the second terminal mechanism;

[0007] Reinforcing ribs, which are fixed in the middle of the male terminal;

[0008] A plurality of bearing blocks, which are relatively fixed at the top and bottom of the reinforcing ribs;

[0009] Multiple steel sleeves, and multiple said steel sleeves are respectively fixed on both sides of the reinforcing rib in the horizontal direction, and the connecting end of the male terminal is arranged in the inner cavity of the steel sleeve.

[0010] Preferably, the second terminal mechanism includes:

[0011] A female terminal, and the female terminal is slidably inserted and connected with one end of the male terminal;

[0012] A protective sleeve, and the protective sleeve is fixedly embedded in the middle of the female terminal;

[0013] A wear-resistant rubber sleeve, and the wear-resistant rubber sleeve is fixedly connected to the inner wall of the female terminal.

[0014] Preferably, multiple said card strips are respectively fixed at equal intervals on the top and bottom of the outer wall of the male terminal, and multiple said card strips are slidably inserted and connected with the top and bottom of the wear-resistant rubber sleeve.

[0015] Preferably, the wear-resistant rubber sleeve is in sliding fit connection with the outer wall of the male terminal, and the connecting mechanism is used for clamping the positions of adjacent multiple card strips.

[0016] Preferably, the connecting mechanism includes:

[0017] A U-shaped block, and the U-shaped block is fixed on the outer wall of the female terminal;

[0018] A pull plate, and the pull plate is slidably connected with the middle of the adjacent U-shaped block;

[0019] Multiple tension springs, and multiple said tension springs are respectively fixed at both ends of the pull plate;

[0020] Multiple connecting rods, and the connecting rods are sleeved in the inner cavity of the tension springs;

[0021] A clamping plate, and the clamping plate is fixed at one end of the adjacent multiple connecting rods, and the clamping plate is movably clamped with the end of the card strip.

[0022] Preferably, two said U-shaped blocks are respectively fixed on the top and bottom of the female terminal, and the other ends of multiple said connecting rods are fixedly connected with the inner wall of the adjacent pull plate.

[0023] Preferably, the connecting rod is slidably inserted and connected with the outer wall of the adjacent female terminal, and one end of the tension spring is fixedly connected with the outer wall of the adjacent female terminal.

[0024] The technical effects and advantages of the present utility model:

[0025] Through the setting method of the cooperation between the first terminal mechanism and the second terminal mechanism, the bearing block and the steel sleeve of the utility model can form support and protection for the connection between the terminals, which is convenient for increasing the compressive and voltage-resistant properties of the terminals at the end of the wire harness, reducing the compression influence, and using the card strip and the connection mechanism, which is convenient for improving the tightness of the connection between the first terminal mechanism and the second terminal mechanism, preventing the separation between the terminals, and making the connection between the wire harnesses stable. Brief Description of the Drawings

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0027] Figure 2 It is a schematic diagram of the side sectional structure at the female head terminal of the utility model.

[0028] Figure 3 For the utility model Figure 1 The partial enlarged structure schematic diagram at position A in it.

[0029] In the figure: 1. Wire harness body; 2. First terminal mechanism; 21. Male head terminal; 22. Reinforcing rib; 23. Bearing block; 24. Steel sleeve; 3. Second terminal mechanism; 31. Female head terminal; 32. Protective sleeve; 33. Wear-resistant rubber sleeve; 4. Card strip; 5. Connection mechanism; 51. U-shaped block; 52. Pulling plate; 53. Pulling spring; 54. Connecting rod; 55. Clamping plate. Detailed Embodiment

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0031] The present utility model provides as Figures 1-3A wire harness with a voltage-resistant terminal is shown, including: a wire harness body 1, a first terminal mechanism 2 is arranged at one end of the wire harness body 1. The first terminal mechanism 2 includes: a male terminal 21, a reinforcing rib 22, a plurality of bearing blocks 23 and a plurality of steel sleeves 24. The male terminal 21 is fixed at one end of the wire harness body 1, the reinforcing rib 22 is fixed in the middle of the male terminal 21. The bearing blocks 23 are in a T-shaped structure. The plurality of bearing blocks 23 are two bearing blocks 23. The two bearing blocks 23 are relatively fixed at the top and bottom of the reinforcing rib 22, so that the two bearing blocks 23 and the reinforcing rib 22 form an I-shaped structure, which is convenient for carrying and protecting the male terminal 21 in the vertical direction and reducing the influence of vertical extrusion on the connection end of the male terminal 21. The plurality of steel sleeves 24 are horizontally fixed on both sides of the reinforcing rib 22 respectively. The connection end of the male terminal 21 is arranged in the inner cavity of the steel sleeve 24, which is convenient for the steel sleeve 24 to form a circle of support outside the connection end of the male terminal 21 and prevent the connection influence caused by the pressing force on the connection end of the male terminal 21;

[0032] Further, a second terminal mechanism 3 is clamped on the outer wall of the male terminal 21. The second terminal mechanism 3 includes: a female terminal 31, a protective sleeve 32 and a wear-resistant rubber sleeve 33. The female terminal 31 is slidably inserted and connected with one end of the male terminal 21. The protective sleeve 32 is fixedly embedded in the middle of the female terminal 31. The protective sleeve 32 is an unclosed ring structure, which is convenient for increasing the supporting force on the outer wall of the female terminal 31 and improving the firmness and voltage-resistant performance of the outer wall of the female terminal 31. The wear-resistant rubber sleeve 33 is fixedly connected to the inner wall of the female terminal 31. The wear-resistant rubber sleeve 33 is in sliding fit with the outer wall of the male terminal 21. Through the setting of the wear-resistant rubber sleeve 33, it is convenient to improve the sealing performance of the insertion between the outer walls of the female terminal 31 and the male terminal 21, prevent dust and dirt from entering between the female terminal 31 and the male terminal 21, and further improve the connection tightness between the female terminal 31 and the male terminal 21;

[0033] Further, a plurality of card strips 4 are equidistantly arranged at the top and bottom of the first terminal mechanism 2. The plurality of card strips 4 are respectively and equidistantly fixed at the top and bottom of the outer wall of the male terminal 21. The plurality of card strips 4 are slidably inserted and connected with the top and bottom of the wear-resistant rubber sleeve 33;

[0034] Further, connection mechanisms 5 are provided at both the top and bottom of the second terminal mechanism 3. The connection mechanisms 5 are used for clamping the positions of adjacent plurality of card strips 4. The connection mechanism 5 includes: a U-shaped block 51, a pull plate 52, a plurality of tension springs 53, a plurality of connecting rods 54, and a clamping plate 55. The U-shaped block 51 is fixed to the outer wall of the female head terminal 31. Two U-shaped blocks 51 are respectively fixed to the top and bottom of the female head terminal 31, which is convenient for increasing the firmness of the outer wall of the female head terminal 31. The pull plate 52 is slidably connected to the middle of the adjacent U-shaped block 51. A plurality of tension springs 53 are respectively fixed to both ends of the pull plate 52. One end of the tension spring 53 is fixedly connected to the outer wall of the adjacent female head terminal 31. The connecting rod 54 is sleeved in the inner cavity of the tension spring 53. The clamping plate 55 is fixed to one end of the adjacent plurality of connecting rods 54. The other ends of the plurality of connecting rods 54 are fixedly connected to the inner wall of the adjacent pull plate 52. The connecting rod 54 is slidably inserted through the outer wall of the adjacent female head terminal 31. The clamping plate 55 is movably clamped to the end of the card strip 4. Through the connecting rod 54, it is convenient to improve the stability of the use of the tension spring 53, so that when the pull plate 52 is manually pulled, the clamping plate 55 is clamped to the end of the card strip 4, so that the female head terminal 31 will not randomly separate from the outer wall of the male head terminal 21, which is convenient to improve the connection stability between the female head terminal 31 and the male head terminal 21, so that the connection between the terminals on the wire harness is stable, reduce the influence of extrusion on the terminals, and enable the wire harness to be used stably.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wiring harness with a voltage-resistant terminal, comprising: A wiring harness body (1), characterized in that: a first terminal mechanism (2) is provided at one end of the wiring harness body (1), a plurality of clamping strips (4) are equidistantly provided at the top and bottom of the first terminal mechanism (2), and the first terminal mechanism (2) comprises: A male terminal (21), the male terminal (21) being fixed to one end of the wiring harness body (1), the outer wall of the male terminal (21) being clamped with a second terminal mechanism (3), and the top and bottom of the second terminal mechanism (3) being provided with a connecting mechanism (5); A reinforcing rib (22), wherein the reinforcing rib (22) is fixed to the middle portion of the male terminal (21); A plurality of bearing blocks (23), wherein the plurality of bearing blocks (23) are relatively fixed to the top and bottom of the reinforcing rib (22); A plurality of steel sleeves (24) are fixed in a horizontal direction on both sides of the reinforcing rib (22), and the connection end of the male terminal (21) is arranged in the inner cavity of the steel sleeve (24).

2. A wiring harness with a voltage-resistant terminal according to claim 1, characterized in that: The second terminal mechanism (3) comprises: A female terminal (31), wherein the female terminal (31) is slidably inserted and connected with one end of the male terminal (21); A protective sleeve (32), wherein the protective sleeve (32) is fixedly embedded in the middle of the female terminal (31); A wear-resistant rubber sleeve (33), wherein the wear-resistant rubber sleeve (33) is fixedly connected to the inner wall of the female terminal (31).

3. A wiring harness with a voltage-resistant terminal according to claim 2, characterized in that: The plurality of clamping strips (4) are fixed at equal distances to the top and bottom of the outer wall of the male terminal (21), and the plurality of clamping strips (4) are slidably interlaced with the top and bottom of the wear-resistant rubber sleeve (33).

4. A wiring harness with a voltage-resistant terminal according to claim 2, characterized in that: The wear-resistant rubber sleeve (33) is slidably connected to the outer wall of the male terminal (21), and the connecting mechanism (5) is used to clamp the positions of a plurality of adjacent clamping strips (4).

5. A wiring harness with a voltage-resistant terminal according to claim 4, characterized in that: The connecting mechanism (5) comprises: A U-shaped block (51), wherein the U-shaped block (51) is fixed to the outer wall of the female terminal (31); A pull plate (52), wherein the pull plate (52) is slidably connected to the middle portion of an adjacent U-shaped block (51); A plurality of tension springs (53), wherein the plurality of tension springs (53) are respectively fixed to two ends of the pull plate (52); A plurality of connecting rods (54), wherein the connecting rods (54) are sleeved in the inner cavity of the tension spring (53); A clamping plate (55) is fixed to one end of a plurality of adjacent connecting rods (54), and the clamping plate (55) is movably clamped to the end of the clamping strip (4).

6. A wiring harness with a voltage-resistant terminal according to claim 5, characterized in that: The two U-shaped blocks (51) are respectively fixed to the top and bottom of the female terminal (31), and the other ends of the plurality of connecting rods (54) are fixedly connected to the inner wall of the adjacent pull plate (52).

7. A wiring harness with a voltage-resistant terminal according to claim 5, characterized in that: The connecting rod (54) is slidably and interpenetratingly connected to the outer wall of the adjacent female terminal (31), and one end of the tension spring (53) is fixedly connected to the outer wall of the adjacent female terminal (31).

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