Connector pull-apart prevention device for automobile wire harness

Abstract

The invention belongs to the technical field of automobile wire harnesses, and particularly discloses an automobile wire harness connector pull-apart prevention device which comprises two connecting wire harnesses, the ends of the two connecting wire harnesses are connected, and the ends of the two connecting wire harnesses are sleeved with a first connecting cylinder and a second connecting cylinder respectively. Matching cylinders are installed behind the first connecting cylinder and the second connecting cylinder, two first extrusion mechanisms are symmetrically installed on the inner walls of the matching cylinders, and two second extrusion mechanisms are symmetrically installed in the first connecting cylinder and the second connecting cylinder. And two positioning mechanisms are symmetrically mounted on the outer surface of the first connecting cylinder. The first extrusion mechanism, the positioning mechanism and the second extrusion mechanism can be operated and controlled at the same time through the pushing rod, it can be guaranteed that the first connecting cylinder and the second connecting cylinder are fixedly connected, and therefore pull-apart prevention of the connector is achieved, the risk that the connector is pulled apart is reduced, and the stability and safety of an automobile circuit system are guaranteed.

Description

Technical Field

[0001] The invention belongs to the field of automobile wiring harnesses, and specifically discloses a connector anti-breaking device for automobile wiring harnesses. Background Art

[0002] ‌The automotive wiring harness is the network body of the automotive circuit, responsible for connecting various electrical devices in the car. The automotive wiring harness plays a vital role in the car. It not only connects various parts of the car, but also ensures the normal operation of the car circuit.

[0003] In the prior art, when connecting two automobile wiring harnesses, insulating tape is used to bundle the two wiring harnesses together. The joints are usually fragile and are prone to breakage when subjected to vibration and impact, thereby reducing the stability and safety of the automobile circuit system. Summary of the invention

[0004] In view of this, the purpose of the present invention is to propose an anti-tear device for connectors of automotive wiring harnesses, so as to solve the problem that the prior art uses insulating tape to bundle two wiring harnesses together, and the joints are usually fragile. When the joints are subjected to vibration and impact, the wiring harness connectors are prone to breakage, thereby reducing the stability and safety of the automotive circuit system.

[0005] To achieve the above purpose, the present invention provides a connector anti-breaking device for an automobile wiring harness, including a connecting harness, two ends of the connecting harnesses are connected, and the ends of the two connecting harnesses are respectively sleeved with a first connecting cylinder and a second connecting cylinder, and the rear of the first connecting cylinder and the second connecting cylinder are both installed with a matching cylinder, and the matching cylinder is sleeved on the surface of the connecting harness, and the inner wall of the matching cylinder is symmetrically installed with two first extrusion mechanisms, and the interior of the first connecting cylinder and the second connecting cylinder is symmetrically installed with two second extrusion mechanisms, the first extrusion mechanism and the second extrusion mechanism are in the same straight line, and the outer surface of the first connecting cylinder is symmetrically installed with two positioning mechanisms, and the surface of the second connecting cylinder is provided with a clamping ring, and the positioning mechanism corresponds to the clamping ring, and the interior of the first connecting cylinder and the second connecting cylinder is slidably installed with a push rod, and the surface of the push rod is respectively matched with the first extrusion mechanism, the positioning mechanism, and the second extrusion mechanism.

[0006] In the above technical solution, preferably, a turntable is movably provided at the other end of the mating tube, and the turntable is movably sleeved on the surface of the connecting harness, and an inner thread groove is provided at one end of the mating tube close to the turntable, and a mating ring is provided at the end of the turntable, and an outer thread groove is provided on the surface of the mating ring, and the outer thread groove cooperates with the inner thread groove, and the end of the mating ring is fixedly connected to the push rod.

[0007] In the above technical scheme, preferably, side plates are fixedly installed inside the matching cylinder and on both sides of the push rod, and an inclined groove is provided on the surface of the side plate, and a square block is movably arranged between the two side plates, and an inclined bar is fixedly installed at the front end of the square block, and a sliding column is provided on the surface of the inclined bar, and the surface of the sliding column is slidably installed in the inclined groove, and a first pressure plate is fixedly installed at the front end of the inclined bar, and the first pressure plate presses on the surface of the connecting wiring harness, and a T-shaped groove is provided at the front end of the matching ring and below the push rod, and a T-shaped slider is fixedly installed at the rear of the square block, and the surface of the T-shaped slider is slidably installed inside the T-shaped groove.

[0008] In the above technical scheme, preferably, the inner walls of the first connecting tube and the second connecting tube are both provided with movable grooves, and the second extrusion mechanism includes a sliding frame, and the sliding frame is slidably installed in the movable groove, the surface of the sliding frame is connected with a connecting rod through a rotating shaft, and the other end of the connecting rod is installed with a second sliding frame through a rotating shaft, and a second pressure plate is fixedly installed at the bottom of the second sliding frame, and the second pressure plate presses on the surface of the connecting harness, and a top block is fixedly provided at the end of the push rod, and the end of the top block is fixedly connected to the sliding frame, and guide columns are penetrated on the surfaces of the first connecting tube and the second connecting tube, and the bottom of the guide column is fixedly connected to the second pressure plate.

[0009] In the above technical scheme, preferably, a movable groove is opened in the middle part of the push rod inside the first connecting tube, and the positioning mechanism includes a protruding rod, the protruding rod movably passes through the first connecting tube, and the bottom of the protruding rod is movably installed in the movable groove, the bottom of the protruding rod is fixedly provided with an inclined surface, and the inner wall of the movable groove is provided with an inclined angle corresponding to the inclined surface, the top of the protruding rod is connected to a long strip through a rotating shaft, and the other end of the long strip is fixedly provided with a clamping block, and the clamping block corresponds to the clamping ring, and a side column is installed on the surface of the first connecting tube and on the side of the long strip, the middle end of the long strip is connected to the top of the side column through a rotating shaft, and a limiting plate is provided on the surface of the protruding rod close to the top, and the limiting plate is located on the outside of the first connecting tube.

[0010] In the above technical solution, preferably, a first protruding plate is fixedly provided at the end of the second pressure plate inside the second connecting tube, the first protruding plate is located inside the second connecting tube, a second protruding plate is fixedly provided at the end of the second pressure plate inside the first connecting tube, the second protruding plate is located inside the first connecting tube, and the first protruding plate cooperates with the second protruding plate.

[0011] In the above technical solution, preferably, a convex block is fixedly provided at the end of the first connecting tube, and a concave hole is opened at the end of the second connecting tube, and the convex block corresponds to the concave hole.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The first extrusion mechanism, the positioning mechanism, and the second extrusion mechanism can be manipulated simultaneously by the push rod, so that the first connecting tube and the second connecting tube can be fixedly connected, thereby realizing the anti-tear-off of the joint and reducing the risk of the joint being torn off. The device is simple and convenient to operate and can be quickly positioned. When the joint is subjected to vibration and impact, it can effectively resist external forces and prevent the wiring harness joint from being broken due to external forces, thereby ensuring the stability and safety of the automobile circuit system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural explosion diagram of the present invention; Figure 3 It is a schematic diagram of a front and cross-sectional view of the structure of the present invention; Figure 4 For the present invention Figure 2 The enlarged view of point A in the middle; Figure 5 For the present invention Figure 3 The enlarged view of point B in the middle; Figure 6 For the present invention Figure 3 Enlarged view of point C in the middle; Figure 7 For the present invention Figure 3 Enlarged view of point D in the middle.

[0014] In the figure: 1, connecting harness; 2, first connecting cylinder; 3, second connecting cylinder; 4, matching cylinder; 5, turntable; 6, first extrusion mechanism; 7, positioning mechanism; 8, second extrusion mechanism; 9, threaded inner groove; 10, matching ring; 11, push rod; 12, side plate; 13, inclined groove; 14, square block; 15, oblique strip; 16, first pressure plate; 17, movable groove; 18, protruding rod; 19, limit plate; 20, long strip; 21, side column; 22, clamping block; 23, clamping ring; 24, top block; 25, movable groove; 26, sliding frame; 27, connecting rod; 28, second pressure plate; 29, guide column; 30, first protruding plate; 31, second protruding plate; 32, concave hole; 33, protrusion; 34, T-shaped slide groove; 35, T-shaped slider. DETAILED DESCRIPTION

[0015] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0016] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0017] like Figure 1 - Figure 7 The illustrated embodiment of a connector anti-tearing device for an automobile wiring harness comprises a connecting harness 1, the ends of two connecting harnesses 1 are connected, the ends of the two connecting harnesses 1 are respectively sleeved with a first connecting tube 2 and a second connecting tube 3, the rear of the first connecting tube 2 and the second connecting tube 3 are both installed with a matching tube 4, the matching tube 4 is sleeved on the surface of the connecting harness 1, the inner wall of the matching tube 4 is symmetrically installed with two first extrusion mechanisms 6, the interior of the first connecting tube 2 and the second connecting tube 3 are both symmetrically installed with two second extrusion mechanisms 8, the first extrusion mechanism 6 and the second extrusion mechanism 8 are in the same straight line, the outer surface of the first connecting tube 2 is symmetrically installed with two positioning mechanisms 7, the surface of the second connecting tube 3 is provided with a clamping ring 23, the positioning mechanism 7 corresponds to the clamping ring 23, the first connecting tube 2 is symmetrically installed with two positioning mechanisms 7, the surface of the second connecting tube 3 is provided with a clamping ring 23, the positioning mechanism 7 corresponds to the clamping ring 23, and the first connecting tube 2 is symmetrically installed with two positioning mechanisms 7. A push rod 11 is slidably installed inside the tube 2 and the second connecting tube 3. The surfaces of the push rod 11 cooperate with the first extrusion mechanism 6, the positioning mechanism 7, and the second extrusion mechanism 8 respectively. The first extrusion mechanism 6, the positioning mechanism 7, and the second extrusion mechanism 8 can be controlled simultaneously by the push rod 11. Under the action of the first extrusion mechanism 6, the matching tube 4 can be fixedly installed on the surface of the connecting wire harness 1. Under the action of the second extrusion mechanism 8, the second extrusion mechanism 8 can press the connection between the two connecting wire harnesses 1 to further ensure the stability of the two connecting wire harnesses 1 after connection. Under the action of the positioning mechanism 7, the first connecting tube 2 and the second connecting tube 3 can be fixedly connected, thereby realizing the anti-tear-off of the joint and reducing the risk of the joint being torn off.

[0018] A turntable 5 is movably provided at the other end of the matching cylinder 4, and the turntable 5 is movably sleeved on the surface of the connecting harness 1. A threaded inner groove 9 is provided at one end of the matching cylinder 4 close to the turntable 5, and a matching ring 10 is provided at the end of the turntable 5. An external thread groove is provided on the surface of the matching ring 10, and the external thread groove cooperates with the threaded inner groove 9. A push rod 11 is fixedly connected to the end of the matching ring 10. By rotating the turntable 5 by the staff, the turntable 5 can be close to or away from the matching cylinder 4 under the cooperation of the external thread groove and the threaded inner groove 9, and since the end of the matching ring 10 is fixedly connected with the push rod 11, the first extrusion mechanism 6, the positioning mechanism 7, and the second extrusion mechanism 8 can be controlled at the same time by rotating the turntable 5.

[0019] A side plate 12 is fixedly installed inside the matching cylinder 4 and on both sides of the push rod 11. An inclined groove 13 is provided on the surface of the side plate 12. A square block 14 is movably arranged between the two side plates 12. An inclined bar 15 is fixedly installed at the front end of the square block 14. A sliding column is provided on the surface of the inclined bar 15. The surface of the sliding column is slidably installed in the inclined groove 13. A first pressing plate 16 is fixedly installed at the front end of the inclined bar 15. The first pressing plate 16 presses on the surface of the connecting wire harness 1. A T-shaped sliding groove 34 is provided at the front end of the matching ring 10 and below the push rod 11. A T-shaped sliding block 35 is fixedly installed at the rear of the square block 14. The surface of the T-shaped slider 35 is slidably installed inside the T-shaped slide groove 34. When the staff rotates the turntable 5 and makes the turntable 5 gradually approach the matching cylinder 4, the end of the matching ring 10 will push the square block 14 to move forward. Since the T-shaped slider 35 is slidably installed in the T-shaped slide groove 34, the surface of the sliding column is slidably installed in the inclined groove 13. At this time, the square block 14, the oblique bar 15 and the first pressure plate 16 will move in the direction of the inclined groove 13, and the first pressure plate 16 will gradually move downward. Finally, the first pressure plate 16 will directly press on the surface of the connecting harness 1, so that the matching cylinder 4 can be matched with the connecting harness 1.

[0020] The inner walls of the first connecting tube 2 and the second connecting tube 3 are both provided with a moving groove 25, and the second extrusion mechanism 8 includes a sliding frame 26, which is slidably installed in the moving groove 25, and the surface of the sliding frame 26 is connected with a connecting rod 27 through a rotating shaft, and the other end of the connecting rod 27 is installed with a second sliding frame through a rotating shaft, and a second pressing plate 28 is fixedly installed at the bottom of the second sliding frame, and the second pressing plate 28 is pressed on the surface of the connecting harness 1, and a top block 24 is fixedly provided at the end of the push rod 11, and the end of the top block 24 is fixedly connected to the sliding frame 26. When working When the personnel rotates the turntable 5 and gradually approaches the matching tube 4, the matching ring 10 will push the push rod 11 forward, and the top block 24 at the front end of the push rod 11 will drive the sliding frame 26 to the front end of the movable groove 25. At this time, under the action of the connecting rod 27, the second pressure plate 28 will be pressed on the surface of the connecting harness 1, and the surfaces of the first connecting tube 2 and the second connecting tube 3 are penetrated by guide columns 29, and the bottom of the guide columns 29 is fixedly connected to the second pressure plate 28, and the guide columns 29 play a role in guiding and stabilizing the second pressure plate 28.

[0021] A movable groove 17 is provided in the middle of the push rod 11 inside the first connecting tube 2, and the positioning mechanism 7 includes a protruding rod 18, which movably passes through the first connecting tube 2, and the bottom of the protruding rod 18 is movably installed in the movable groove 17, the bottom of the protruding rod 18 is fixedly provided with an inclined surface, and the inner wall of the movable groove 17 is provided with an inclined angle corresponding to the inclined surface, the top of the protruding rod 18 is connected to a long strip 20 through a rotating shaft, and a clamping block 22 is fixedly provided at the other end of the long strip 20, and the clamping block 22 corresponds to the clamping ring 23, and a side column 21 is installed on the surface of the first connecting tube 2 and on the side of the long strip 20, and the middle end of the long strip 20 is connected to the top of the side column 21 through a rotating shaft, and the protruding rod 18 A limit plate 19 is provided on the surface near the top, and the limit plate 19 is located on the outside of the first connecting tube 2. After the first connecting tube 2 is aligned with the second connecting tube 3, the staff rotates the turntable 5 to make the turntable 5 gradually approach the matching tube 4, and the matching ring 10 will push the push rod 11 forward. The bevel angle of the inner wall of the movable groove 17 has a squeezing effect on the bevel, and the protruding rod 18 will protrude to the outside of the first connecting tube 2. The end of the protruding rod 18 connected to the long strip 20 will be lifted upward. At this time, with the rotating shaft at the top of the side column 21 as the fulcrum, the other end of the long strip 20 moves downward, so that the block 22 can be clamped in the clamping ring 23, thereby realizing the fixed connection between the first connecting tube 2 and the second connecting tube 3.

[0022] A first protruding plate 30 is fixedly provided at the end of the second pressure plate 28 inside the second connecting tube 3, and the first protruding plate 30 is located inside the second connecting tube 3. A second protruding plate 31 is fixedly provided at the end of the second pressure plate 28 inside the first connecting tube 2, and the second protruding plate 31 is located inside the first connecting tube 2. The first protruding plate 30 cooperates with the second protruding plate 31. When the first connecting tube 2 cooperates with the second connecting tube 3, the first protruding plate 30 and the second protruding plate 31 will cooperate together, which can press the connection between the two connecting harnesses 1, and further ensure the stability of the two connecting harnesses 1 after connection.

[0023] A protrusion 33 is fixedly provided at the end of the first connecting tube 2, and a recessed hole 32 is opened at the end of the second connecting tube 3. The protrusion 33 corresponds to the recessed hole 32. Under the action of the protrusion 33 and the recessed hole 32, the first connecting tube 2 and the second connecting tube 3 can be aligned, the internal devices can correspond to each other, and the cooperation between the first connecting tube 2 and the second connecting tube 3 can also be made more stable.

[0024] Working principle: First, the staff will respectively sleeve the first connecting tube 2 and the second connecting tube 3 on the ends of the two connecting harnesses 1, and then connect the ends of the two connecting harnesses 1. Then the staff will align the ends of the first connecting tube 2 and the second connecting tube 3, and then rotate the turntable 5 at the ends of the first connecting tube 2 and the second connecting tube 3. With the cooperation of the external thread groove and the internal thread groove 9, the turntable 5 can be close to or away from the matching tube 4. When the turntable 5 gradually approaches the matching tube 4, the end of the matching ring 10 will push the square block 14 to move forward. Since the T-shaped slider 35 is slidably installed in the T-shaped slide groove 34, and the surface of the sliding column is slidably installed in the inclined groove 13, at this time, the square block 14, the oblique bar 15 and the first pressure plate 16 will move in the direction of the inclined groove 13, and the first pressure plate 16 will gradually move downward. Finally, the first pressure plate 16 will directly press on the connecting The surface of the wiring harness 1 can be matched with the matching cylinder 4 and the connecting wiring harness 1, and at the same time, the top block 24 at the front end of the push rod 11 will drive the sliding frame 26 to the front end of the movable groove 25. At this time, under the action of the connecting rod 27, the second pressure plate 28 will be pressed on the surface of the connecting wiring harness 1, and the bevel of the inner wall of the movable groove 17 has an extrusion effect on the inclined surface, and the protruding rod 18 will protrude to the outside of the first connecting cylinder 2, and the end of the protruding rod 18 connected to the long strip 20 will be lifted upward. At this time, with the rotating shaft at the top of the side column 21 as the fulcrum, the other end of the long strip 20 moves downward, so that the block 22 can be clamped in the clamping ring 23, and the first connecting cylinder 2 and the second connecting cylinder 3 are fixedly connected. By rotating the turntable 5, the turntable 5 gradually approaches the matching cylinder 4, and the first extrusion mechanism 6, the positioning mechanism 7, and the second extrusion mechanism 8 can be controlled at the same time.

[0025] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A device for preventing a connector from being torn off for an automobile wiring harness, comprising a connecting wiring harness (1), characterized in that: The ends of the two connecting wire harnesses (1) are connected, and the ends of the two connecting wire harnesses (1) are respectively sleeved with a first connecting cylinder (2) and a second connecting cylinder (3), and a matching cylinder (4) is installed behind the first connecting cylinder (2) and the second connecting cylinder (3), and the matching cylinder (4) is sleeved on the surface of the connecting wire harness (1), and two first extrusion mechanisms (6) are symmetrically installed on the inner wall of the matching cylinder (4), and two second extrusion mechanisms (8) are symmetrically installed inside the first connecting cylinder (2) and the second connecting cylinder (3), and the first extrusion mechanism (6) and the second extrusion mechanism (8) are in the same straight line, and two positioning mechanisms (7) are symmetrically installed on the outer surface of the first connecting cylinder (2), and a clamping ring (23) is provided on the surface of the second connecting cylinder (3), and the positioning mechanism (7) corresponds to the clamping ring (23), and a push rod (11) is slidably installed inside the first connecting cylinder (2) and the second connecting cylinder (3), and the surface of the push rod (11) is respectively matched with the first extrusion mechanism (6), the positioning mechanism (7), and the second extrusion mechanism (8).

2. The anti-breaking device for connectors of automobile wiring harnesses according to claim 1, characterized in that: A rotating disk (5) is movably provided at the other end of the matching cylinder (4), and the rotating disk (5) is movably sleeved on the surface of the connecting harness (1). An inner thread groove (9) is provided at one end of the matching cylinder (4) close to the rotating disk (5), and a matching ring (10) is provided at the end of the rotating disk (5). An outer thread groove is provided on the surface of the matching ring (10), and the outer thread groove matches with the inner thread groove (9). The end of the matching ring (10) is fixedly connected to the push rod (11).

3. The anti-breaking device for connectors of automobile wiring harnesses according to claim 2, characterized in that: A side plate (12) is fixedly installed inside the matching cylinder (4) and located on both sides of the push rod (11), and an inclined groove (13) is provided on the surface of the side plate (12). A square block (14) is movably arranged between the two side plates (12). An inclined bar (15) is fixedly installed at the front end of the square block (14), and a sliding column is provided on the surface of the inclined bar (15). The surface of the sliding column is slidably installed in the inclined groove (13). A first pressing plate (16) is fixedly installed at the front end of the inclined bar (15), and the first pressing plate (16) presses on the surface of the connecting wire harness (1). A T-shaped sliding groove (34) is provided at the front end of the matching ring (10) and below the push rod (11). A T-shaped sliding block (35) is fixedly installed behind the square block (14), and the surface of the T-shaped sliding block (35) is slidably installed inside the T-shaped sliding groove (34).

4. The anti-breaking device for connectors of automobile wiring harnesses according to claim 3, characterized in that: The inner walls of the first connecting tube (2) and the second connecting tube (3) are both provided with a movable groove (25), the second extrusion mechanism (8) comprises a sliding frame (26), the sliding frame (26) is slidably mounted in the movable groove (25), the surface of the sliding frame (26) is connected to a connecting rod (27) via a rotating shaft, the other end of the connecting rod (27) is mounted with a second sliding frame via a rotating shaft, a second pressing plate (28) is fixedly mounted at the bottom of the second sliding frame, the second pressing plate (28) presses on the surface of the connecting harness (1), a top block (24) is fixedly arranged at the end of the push rod (11), the end of the top block (24) is fixedly connected to the sliding frame (26), the surfaces of the first connecting tube (2) and the second connecting tube (3) are both penetrated by a guide column (29), the bottom of the guide column (29) is fixedly connected to the second pressing plate (28).

5. The anti-breaking device for connectors of automobile wiring harnesses according to claim 1, characterized in that: A movable groove (17) is provided in the middle of the push rod (11) inside the first connecting tube (2). The positioning mechanism (7) comprises a protruding rod (18). The protruding rod (18) movably passes through the first connecting tube (2). The bottom of the protruding rod (18) is movably mounted inside the movable groove (17). An inclined surface is fixedly provided on the bottom of the protruding rod (18). An inner wall of the movable groove (17) is provided with an inclined angle corresponding to the inclined surface. The top of the protruding rod (18) is rotated to move A long strip (20) is connected to the shaft, a clamping block (22) is fixedly provided at the other end of the long strip (20), the clamping block (22) corresponds to the clamping ring (23), a side column (21) is installed on the surface of the first connecting tube (2) and on the side of the long strip (20), the middle end of the long strip (20) is connected to the top of the side column (21) through a rotating shaft, and a limiting plate (19) is provided on the surface of the protruding rod (18) close to the top, and the limiting plate (19) is located on the outside of the first connecting tube (2).

6. The anti-breaking device for connectors of automobile wiring harnesses according to claim 4, characterized in that: A first protruding plate (30) is fixedly provided at the end of the second pressure plate (28) inside the second connecting tube (3), and the first protruding plate (30) is located inside the second connecting tube (3). A second protruding plate (31) is fixedly provided at the end of the second pressure plate (28) inside the first connecting tube (2), and the second protruding plate (31) is located inside the first connecting tube (2), and the first protruding plate (30) cooperates with the second protruding plate (31).

7. The anti-breaking device for connectors of automobile wiring harnesses according to claim 1, characterized in that: A convex block (33) is fixedly provided at the end of the first connecting tube (2), and a concave hole (32) is opened at the end of the second connecting tube (3), and the convex block (33) corresponds to the concave hole (32).

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