A positive wiring harness with stable connection

Abstract

The utility model relates to the technical field of positive wiring harnesses, and discloses a positive wiring harness with stable connection, including a wiring harness body, a protective cylinder and a pressing block, wherein the upper and lower ends of the protective cylinder are provided with a No. 1 slide groove near the front, a connecting cylinder is fixedly arranged in the middle of the protective cylinder, and the upper and lower ends of the connecting cylinder are provided with a No. 2 slide groove, a sleeve is rotatably sleeved on the outside of the protective cylinder, and control blocks are fixedly arranged on the upper and lower ends of the sleeve, and limiting blocks are fixedly arranged on opposite sides of the two control blocks, and a fixing ring is provided on the connecting cylinder at the rear end of the wiring harness body. In the utility model, the device is provided with a connecting cylinder, a plug-in cylinder, a fixing seat and a protective ring, so that the clamping block can be clamped with the fixing sleeve by rotation, the limiting block can limit the rotation of the fixing seat, and the limiting ring can limit the rotation of the sleeve, and due to the multiple limiting devices, a more stable positive wiring harness connection is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of positive electrode wiring harnesses, in particular to a positive electrode wiring harness with stable connection. Background Art

[0002] A wiring harness is a wire assembly that is mainly used in electric vehicles. Its function is to connect the signal transmission and power supply between various electrical devices inside the vehicle, and the positive wiring harness is the wiring harness connected to the positive pole of the battery.

[0003] Currently, the common positive wiring harness generally uses the plug-in terminal connection method. The biggest disadvantage of the plug-in terminal is that the connection is not firm, because it relies on the internal card to clamp the inserted wire. It may loosen after being subjected to external force, so leakage or poor contact may occur, which is very dangerous.

[0004] Therefore, those skilled in the art provide a positive wiring harness with stable connection to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a positive wiring harness with stable connection. The device is provided with a connecting cylinder, a plug-in cylinder, a fixing seat and a protective ring, so that the clamping block can be clamped and set with the fixing sleeve by rotation, the limit block can limit the rotation of the fixing seat, and the limit ring can limit the rotation of the sleeve. Due to the multiple limit devices, a more stable positive wiring harness connection is achieved.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A positive electrode wiring harness with stable connection, comprising a wiring harness body, a protective cylinder and a pressing block, wherein the upper end and the lower end of the protective cylinder are both provided with a first slide groove near the front, a connecting cylinder is fixedly arranged in the middle of the protective cylinder, and the upper end and the lower end of the connecting cylinder are both provided with a second slide groove, a sleeve is rotatably sleeved on the outside of the protective cylinder, and control blocks are fixedly arranged on the upper end and the lower end of the sleeve, and limit blocks are fixedly arranged on opposite sides of the two control blocks;

[0008] The rear end connecting tube of the wiring harness body is provided with a fixing ring, and elastic cloth is embedded in the upper and lower ends of the fixing ring. Two elastic cloths are fixed with limit rings, and a groove is opened at the edge of the front end of the limit ring. A fixing seat is rotatably provided in the middle of the limit ring, and a plug-in tube is fixed in the middle of the fixing seat. A clamping block is fixedly provided on the upper and lower ends of the fixing seat, and an inclined block is fixedly provided on the opposite side of the two pressing blocks. A spring is fixedly provided on the opposite side of the upper end of the two inclined blocks, and a fixing block is fixedly provided on the opposite side of the lower end of the two inclined blocks. The wiring harness body includes an insulating layer, a high temperature resistant layer, a waterproof layer and an anti-corrosion layer.

[0009] Through the above technical solution, the protective cylinder is convenient for fixing the connecting cylinder, the pressing block is convenient for controlling the movement of the fixing block, the control block can be slidably set inside the protective cylinder through the No. 1 slide groove, so as to limit the clamping block, the connecting cylinder is convenient for clamping with the fixing seat, the No. 2 slide groove is convenient for the clamping block to slide inside the protective cylinder, so that the clamping block is clamped with the connecting cylinder, the sleeve can control the movement of the control block by rotating, and the control block can control the movement of the limit block;

[0010] The fixing ring is convenient for limiting the moving distance of the limiting ring, the elastic cloth is convenient for making the limiting ring move, and it is also convenient for the connecting tube and the plug-in tube to be clamped. After the limiting block limits the clamping block, the limiting ring can be controlled to move the sleeve through the elastic cloth for clamping and setting, thereby limiting the rotation of the sleeve and achieving better sealing. The groove is convenient for placing the front end of the sleeve, and the spring is convenient for resetting. The pressing block is convenient for controlling the movement of the fixing block. When the pressing block is controlled, the upper end of the inclined block moves, and the lower end of the inclined block moves in the opposite direction, and the fixed block moves by the movement of the lower end of the inclined block. When the sleeve is placed into the groove, the pressing block is released, and the spring controls the upper end of the inclined block to move, and the fixed block drives into the empty groove at the front end of the sleeve, which makes the sleeve unable to rotate.

[0011] Further, the anti-corrosion layer is fixedly arranged on the outside of the waterproof layer, the waterproof layer is fixedly arranged on the outside of the high temperature resistant layer, the high temperature resistant layer is fixedly arranged on the outside of the insulating layer, and the limiting ring is slidably arranged on the outside of the fixing seat through the elastic cloth;

[0012] Through the above technical scheme, the insulating layer is convenient for preventing current leakage inside the positive wiring harness, the high temperature resistant layer is convenient for preventing the positive wiring harness from being damaged in a high temperature environment, the waterproof layer is convenient for preventing the positive wiring harness from being cracked, the anti-corrosion layer is convenient for preventing damage to the positive wiring harness due to corrosion, and the limiting ring is convenient for making the fixing seat sealed through the elastic cloth and the sleeve.

[0013] Furthermore, the two clamping blocks are both arranged inside the second slide groove by rotating and sliding the fixing seat and are clamped with the connecting tube, the two control blocks are both arranged inside the first slide groove by rotating and sliding the sleeve, and the pressing blocks are both arranged through the rear ends of the two sides of the limiting ring;

[0014] Through the above technical solution, when the plug-in tube enters the interior of the connecting tube, the fixed seat can be controlled to rotate, and the clamping block will be clamped with the connecting tube through rotation, and the two control blocks will slide inside the No. 1 slide groove through the rotation of the sleeve, and the limit block will limit the clamping block at this time, and the pressing block facilitates the control of the movement of the fixed block.

[0015] Further, the two inclined blocks are both slidably disposed inside the limiting ring, the two fixed blocks are both slidably disposed inside the limiting ring, and the protective tube is fixedly sleeved outside the front end of the wiring harness body;

[0016] Through the above technical solution, the bevel block can move inside the limiting ring to control the movement of the fixed block. The fixed block can move inside the limiting ring to facilitate the limiting of the sleeve. The fixed sleeve is convenient for connecting the connecting tube and the clamping block, and the wiring harness body can also be connected.

[0017] Furthermore, the sleeve is slidably arranged inside the groove by the front end, and the sleeve and the limiting ring are both clamped by the movement of the fixing block;

[0018] Through the above technical solution, the front end of the sleeve can be easily clamped with the limiting ring, and the sleeve is limited by the clamping setting of the fixing block.

[0019] Furthermore, the anti-corrosion layer is made of epoxy resin coating, and the waterproof layer is made of polyurethane waterproof coating;

[0020] Through the above technical scheme, epoxy resin coating is an anti-corrosion material with excellent corrosion resistance and alkali resistance, which is particularly suitable for high temperature environment. Polyurethane waterproof coating not only has good waterproof effect, but also has excellent flexibility and tensile strength.

[0021] Furthermore, the high temperature resistant layer is made of graphite material, and the insulating layer is made of polyvinyl chloride;

[0022] Through the above technical solution, the graphite material has excellent thermal conductivity and high temperature resistance. Since polyvinyl chloride has the characteristics of moisture resistance, corona resistance, non-flammability, low cost and easy processing.

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

[0024] The utility model provides a positive wiring harness with stable connection. When the user needs to connect the positive wiring harness, the user can first control the fixing seat to make the plug-in tube enter the interior of the connecting tube, and then rotate the fixing seat to make the two clamping blocks slide inside the No. 2 slide groove, and then control the sleeve to rotate, so that the control block drives the limit block to slide inside the No. 1 slide groove and limit the two clamping blocks, and then control the limit ring to move through the elastic cloth and press the two pressing blocks to move the fixing block, and when the sleeve is placed into the interior of the groove, release the pressing block, so that the fixing block is reset and clamped with the empty groove on the sleeve, thereby completing the connection of the positive wiring harness, the insulating layer is convenient for preventing current leakage inside the positive wiring harness, the high temperature resistant layer is convenient for preventing the positive wiring harness from being damaged in a high temperature environment, the waterproof layer is convenient for preventing the positive wiring harness from being broken, and the anti-corrosion layer is convenient for preventing the positive wiring harness from being damaged due to corrosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the axial side of the utility model;

[0026] Figure 2 For this utility model Figure 1 A is a partial enlarged schematic diagram;

[0027] Figure 3 For this utility model Figure 1 A partial enlarged schematic diagram of B in the middle;

[0028] Figure 4 This is a schematic diagram of the shaft side when the utility model is connected;

[0029] Figure 5 It is a top cross-sectional schematic diagram of the utility model when connected;

[0030] Figure 6 It is a front cross-sectional schematic diagram of the utility model when connected;

[0031] Figure 7 This is a diagram of the internal structure of the wiring harness body of the utility model.

[0032] Legend:

[0033] 1. Wire harness body; 2. Protective tube; 3. No. 1 slide; 4. Sleeve; 5. Control block; 6. Limit block; 7. Connecting tube; 8. No. 2 slide; 9. Fixing ring; 10. Limiting ring; 11. Pressing block; 12. Fixing seat; 13. Plug-in tube; 14. Snap-in block; 15. Groove; 16. Elastic cloth; 17. Spring; 18. Oblique block; 19. Fixing block; 101. Insulating layer; 102. High temperature resistant layer; 103. Waterproof layer; 104. Anti-corrosion layer. DETAILED DESCRIPTION

[0034] 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 in 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.

[0035] Reference Figure 1-7 The utility model provides an embodiment: a positive wiring harness with stable connection, including a wiring harness body 1, a protective cylinder 2 and a pressing block 11, a No. 1 slide groove 3 is provided at the front of the upper and lower ends of the protective cylinder 2, a connecting cylinder 7 is fixedly arranged in the middle of the protective cylinder 2, and a No. 2 slide groove 8 is provided at the upper and lower ends of the connecting cylinder 7, a sleeve 4 is rotatably sleeved on the outside of the protective cylinder 2, and control blocks 5 are fixedly arranged at the upper and lower ends of the sleeve 4, and limit blocks 6 are fixedly arranged on the opposite sides of the two control blocks 5.

[0036] The protective tube 2 is convenient for fixing the connecting tube 7, the pressing block 11 is convenient for controlling the movement of the fixing block 19, the control block 5 can be slidably set inside the protective tube 2 through the No. 1 slide groove 3, so as to limit the clamping block 14, the connecting tube 7 is convenient for clamping with the fixing seat 12, the No. 2 slide groove 8 is convenient for the clamping block to slide inside the protective tube 2, so that the clamping block 14 is clamped with the connecting tube 7, the sleeve 4 can control the movement of the control block 5 by rotation, and the control block 5 can control the movement of the limit block 6.

[0037] The rear end connecting tube 7 of the wiring harness body 1 is provided with a fixing ring 9, and elastic cloth 16 is embedded in the upper and lower ends of the fixing ring 9. The two elastic cloths 16 are fixedly provided with limit rings 10, and a groove 15 is provided at the edge of the front end of the limit ring 10. A fixing seat 12 is rotatably provided in the middle of the limit ring 10, and a plug-in tube 13 is fixedly provided in the middle of the fixing seat 12. A clamping block 14 is fixedly provided at the upper and lower ends of the fixing seat 12, and an inclined block 18 is fixedly provided on the opposite side of the two pressing blocks 11. A spring 17 is fixedly provided on the opposite side of the upper end of the two inclined blocks 18, and a fixed block 19 is fixedly provided on the opposite side of the lower end of the two inclined blocks 18. The wiring harness body 1 includes an insulating layer 101, a high temperature resistant layer 102, a waterproof layer 103 and an anti-corrosion layer 104.

[0038] The fixing ring 9 is convenient for limiting the moving distance of the limiting ring 10, the elastic cloth 16 is convenient for making the movement of the limiting ring 10, and is also convenient for the connection between the connecting tube 7 and the plug-in tube 13. After the limiting block 6 limits the clamping block 14, the limiting ring 10 can be controlled to move the sleeve 4 through the elastic cloth 16 for clamping, thereby limiting the rotation of the sleeve 4 and achieving better sealing. The groove 15 is convenient for placing the front end of the sleeve 4, and the spring 17 is convenient for resetting the pressing block 11 to control the movement of the fixing block 19. When the pressing block 11 is controlled, the upper end of the inclined block 18 moves, and the lower end of the inclined block 18 moves in the opposite direction, and the fixing block 19 moves by the movement of the lower end of the inclined block 18. When the sleeve 4 is placed in the groove 15, the pressing block 11 is released, and the spring 17 controls the upper end of the inclined block 18 to move, and the fixing block 19 drives into the empty groove at the front end of the sleeve 4, thereby causing the sleeve 4 to be unable to rotate.

[0039] The anti-corrosion layer 104 is fixedly arranged on the outside of the waterproof layer 103, the waterproof layer 103 is fixedly arranged on the outside of the high-temperature resistant layer 102, the high-temperature resistant layer 102 is fixedly arranged on the outside of the insulating layer 101, and the limiting ring 10 is slidably arranged on the outside of the fixing seat 12 through the elastic cloth 16. The insulating layer 101 is convenient for preventing the current leakage inside the positive wiring harness, the high-temperature resistant layer 102 is convenient for preventing the positive wiring harness from being damaged in a high-temperature environment, the waterproof layer 103 is convenient for preventing the positive wiring harness from being broken, etc., the anti-corrosion layer 104 is convenient for preventing the positive wiring harness from being damaged due to corrosion, and the limiting ring 10 is convenient for making the fixing seat 12 present through the elastic cloth 16 and the sleeve 4 In the sealed state, the two clamping blocks 14 are set inside the No. 2 slide groove 8 through the rotation and sliding of the fixing seat 12 and are clamped with the connecting tube 7. The two control blocks 5 are set inside the No. 1 slide groove 3 through the rotation and sliding of the sleeve 4. The pressing blocks 11 are all penetrated and set at the rear end of both sides of the limiting ring 10. When the plug-in tube 13 enters the interior of the connecting tube 7, the fixing seat 12 can be controlled to rotate, and the clamping blocks 14 will be clamped with the connecting tube 7 through rotation. The two control blocks 5 are slid inside the No. 1 slide groove 3 through the rotation and sliding of the sleeve 4, and the limiting block 6 limits the clamping block 14 at this time, and the pressing block 11 facilitates the control of the movement of the fixing block 19.

[0040] The two inclined blocks 18 are both slidably arranged inside the limiting ring 10, and the two fixed blocks 19 are both slidably arranged inside the limiting ring 10. The protective tube 2 is fixedly sleeved on the front end of the wiring harness body 1. The inclined block 18 can move inside the limiting ring 10, thereby controlling the movement of the fixed block 19. The fixed block 19 can move inside the limiting ring 10, which is convenient for limiting the sleeve 4. The fixed sleeve is convenient for connecting the connecting tube 7 with the clamping block 14. The wiring harness body 1 can also be connected. The sleeve 4 is slidably arranged inside the groove 15 by the front end. The sleeve 4 and the limiting ring 10 are clamped by the movement of the fixed block 19, which is convenient for the front end of the sleeve 4 to be connected with the limiting The ring 10 is clamped and the sleeve 4 is limited by the clamping setting of the fixing block 19. The anti-corrosion layer 104 is made of epoxy resin coating, and the waterproof layer 103 is made of polyurethane waterproof coating. Epoxy resin coating is an anti-corrosion material with excellent corrosion resistance and alkali resistance, and is particularly suitable for high temperature environments. The polyurethane waterproof coating not only has a good waterproof effect, but also has excellent flexibility and tensile strength. The high temperature resistant layer 102 is made of graphite material, and the insulating layer 101 is made of polyvinyl chloride. Graphite material has excellent thermal conductivity and high temperature resistance. Polyvinyl chloride is moisture-resistant, corona-resistant, and non-flammable, and has low cost and is easy to process.

[0041] Working principle: When the device needs to be used, the fixing seat 12 can be controlled first to make the plug-in tube 13 enter the interior of the connecting tube 7, and then the fixing seat 12 can be rotated to make the two clamping blocks slide inside the No. 2 slide groove 8, and the control sleeve 4 can be rotated to make the control block 5 drive the limit block 6 to slide inside the No. 1 slide groove 3 and limit the two clamping blocks. In order to prevent the sleeve 4 from rotating and canceling the limit of the limit block 6 on the clamping block 14 and causing it to fall off, the user can first control the limit ring 10 to move through the elastic cloth 16 and press the two pressing blocks 11 to move the fixing block 19. When the sleeve 4 is placed into the groove 15, the pressing block 11 is released to reset the fixing block 19 and clamp it with the empty groove on the sleeve 4, thereby achieving a stable connection of the positive wiring harness.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positive wiring harness with stable connection, comprising a wiring harness body (1), a protective tube (2) and a pressing block (11), characterized in that: The upper and lower ends of the protective tube (2) are both provided with a first slide groove (3) near the front, a connecting tube (7) is fixedly arranged in the middle of the protective tube (2), and the upper and lower ends of the connecting tube (7) are both provided with a second slide groove (8), a sleeve (4) is rotatably sleeved on the outside of the protective tube (2), and control blocks (5) are fixedly arranged at the upper and lower ends of the sleeve (4), and limit blocks (6) are fixedly arranged on opposite sides of the two control blocks (5); The rear end connecting tube (7) of the wiring harness body (1) is provided with a fixing ring (9), the upper and lower ends of the fixing ring (9) are both embedded with elastic cloth (16), two elastic cloths (16) are fixedly provided with limiting rings (10), the front ends of the limiting rings (10) are provided with grooves (15) near the edges, the middle part of the limiting rings (10) is rotatably provided with a fixing seat (12), the middle part of the fixing seat (12) is fixedly provided with a plug-in tube (13), and the fixing seat (12) is fixedly provided with a plug-in tube (13). ) are fixedly provided with a clamping block (14) at the upper and lower ends, an inclined block (18) is fixedly provided on the opposite side of the two pressing blocks (11), a spring (17) is fixedly provided on the opposite side of the upper end of the two inclined blocks (18), and a fixing block (19) is fixedly provided on the opposite side of the lower ends of the two inclined blocks (18), and the wiring harness body (1) comprises an insulating layer (101), a high temperature resistant layer (102), a waterproof layer (103) and an anti-corrosion layer (104).

2. A positive wiring harness with stable connection according to claim 1, characterized in that: The anti-corrosion layer (104) is fixedly arranged on the outside of the waterproof layer (103), the waterproof layer (103) is fixedly arranged on the outside of the high-temperature resistant layer (102), the high-temperature resistant layer (102) is fixedly arranged on the outside of the insulating layer (101), and the limiting ring (10) is slidably arranged on the outside of the fixing seat (12) through the elastic cloth (16).

3. A positive wiring harness with stable connection according to claim 1, characterized in that: The two clamping blocks (14) are both arranged inside the No. 2 slide groove (8) through the rotation and sliding of the fixing seat (12) and are clamped with the connecting tube (7); the two control blocks (5) are both arranged inside the No. 1 slide groove (3) through the rotation and sliding of the sleeve (4); and the pressing blocks (11) are both arranged through the rear ends of the two sides of the limiting ring (10).

4. A positive wiring harness with stable connection according to claim 1, characterized in that: The two inclined blocks (18) are both slidably disposed inside the limiting ring (10), the two fixed blocks (19) are both slidably disposed inside the limiting ring (10), and the protective tube (2) is fixedly sleeved outside the front end of the wiring harness body (1).

5. A positive wiring harness with stable connection according to claim 1, characterized in that: The sleeve (4) is slidably arranged inside the groove (15) by the front end, and the sleeve (4) and the limiting ring (10) are both clamped together by the movement of the fixing block (19).

6. A positive wiring harness with stable connection according to claim 1, characterized in that: The anti-corrosion layer (104) is made of epoxy resin coating, and the waterproof layer (103) is made of polyurethane waterproof coating.

7. A positive wiring harness with stable connection according to claim 1, characterized in that: The high temperature resistant layer (102) is made of graphite material, and the insulating layer (101) is made of polyvinyl chloride.

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