CN219979919U - Wire harness with anti-pulling buffer structure - Google Patents
Wire harness with anti-pulling buffer structure Download PDFInfo
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- CN219979919U CN219979919U CN202321353766.9U CN202321353766U CN219979919U CN 219979919 U CN219979919 U CN 219979919U CN 202321353766 U CN202321353766 U CN 202321353766U CN 219979919 U CN219979919 U CN 219979919U
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- wire harness
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- fixedly arranged
- spring
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- 230000007246 mechanism Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of wire harnesses, in particular to a wire harness with a pulling-preventing buffer structure, which is characterized in that a positioning sleeve is sleeved on a wire harness body, a driving block is movably arranged in a movable groove, the left end of the driving rod is fixedly connected with the driving block after passing through a through groove, a first spring is fixedly arranged on the right side wall of the driving block at the outer side position of the driving rod, the movable sleeve is sleeved on the wire harness body, a second spring is fixedly arranged on the other side wall of a limiting plate, one end of the second spring is fixedly arranged on the inner wall of the limiting groove, a limiting rod is fixedly arranged on the limiting plate at the inner side position of the second spring, buffer ropes are respectively fixedly arranged on the front side and the rear side of the right side wall of a wiring terminal, and when the whole wire harness is pulled by external force, the connection position of a wire harness and the wiring terminal is prevented from being influenced by pulling force, so that the wire harness with the pulling-preventing buffer structure is needed.
Description
Technical Field
The utility model relates to the technical field of wire harnesses, in particular to a wire harness with an anti-pulling buffer structure.
Background
The wire harness is a wiring part for connecting various electrical equipment in a circuit, and generally consists of an insulating sheath, a wiring terminal, a wire and an insulating binding material, wherein the connection between the wire in the wire harness and the wiring terminal is weakest, and if the wire harness is subjected to a large pulling force, the wire harness is easy to loose and even break, so that the wire harness with the anti-pulling buffer structure is needed.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provide a wire harness with a reasonable design and a pull-preventing buffer structure, which is used for solving the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the wire harness comprises a wire harness body, wherein the wire harness body consists of a wire, an insulating sleeve and a wiring terminal, the insulating sleeve is fixedly sleeved on the wire, and one end of the wire is fixedly connected with the wiring terminal;
it also comprises:
the positioning sleeve is sleeved on the wire harness body, threads are arranged on the right side of the inner annular wall of the positioning sleeve, a plurality of movable grooves are distributed on the positioning sleeve at equal round angles, through grooves are formed in the right side of the movable grooves, limit grooves are formed in the inner side of the inner annular wall of the movable grooves, through holes are formed in the inner side walls of the limit grooves, the movable grooves, the limit grooves and the through holes are communicated, and driving blocks are movably arranged in the movable grooves;
the driving rods are respectively and movably arranged in the through grooves, the left end of each driving rod passes through the through groove and is fixedly connected with the driving block, a first spring is fixedly arranged on the right side wall of the driving block at the outer side position of the driving rod, and the right end of the first spring is fixedly arranged on the right side wall of the movable groove;
the movable sleeve is sleeved on the wire harness body, the left side of the movable sleeve is screwed with the positioning sleeve through threads, and the right end of the driving rod is in abutting arrangement with the movable sleeve;
the limiting plates are arranged in the limiting grooves in a propping mode respectively, one side wall of each limiting plate is arranged in a propping mode with the driving block, a second spring is fixedly arranged on the other side wall of each limiting plate, one end of each second spring is fixedly arranged on the inner wall of each limiting groove, a limiting rod is fixedly arranged on the limiting plate at the inner side position of each second spring, and one end of each limiting rod penetrates through the corresponding through hole;
the two buffer ropes are respectively fixedly arranged on the front side and the rear side of the right side wall of the wiring end, the right ends of the two buffer ropes are respectively provided with a stretching mechanism, the front side and the rear side of the left side wall of the positioning sleeve are respectively provided with a stretching groove, and the stretching mechanisms are connected with the stretching grooves.
Preferably, the stretching mechanisms each comprise:
the limiting block is movably abutted against the limiting block and arranged in the stretching groove, a pull rod is fixedly arranged at the left end of the limiting block, a pull ring is fixedly arranged after the left end of the pull rod passes through an opening of the stretching groove, and the right end of the buffer rope is bound on the pull ring;
and the third spring is fixedly arranged on the left side wall of the limiting block and positioned at the outer side position of the pull rod, and the left end of the third spring is fixedly connected with the left inner wall of the stretching groove.
Preferably, a rubber sleeve is fixedly sleeved on the outer annular wall of the movable sleeve.
Preferably, an anti-slip pad is fixedly arranged at one end of the limiting rod and is abutted against the wire harness body.
Preferably, the outer annular wall of the positioning sleeve is provided with anti-skid patterns.
Compared with the prior art, the utility model has the beneficial effects that: according to the wire harness with the anti-pulling buffer structure, when the whole wire harness is pulled by external force, the connection part of the wire and the wire terminal in the wire harness can be prevented from being affected by pulling force to cause loosening and even breakage, so that the wire harness with the anti-pulling buffer structure is needed.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view taken along A-A in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
Fig. 4 is an enlarged view of a portion C in fig. 3.
FIG. 5 is a schematic view of the internal structure of the connection of the positioning sleeve and the stretching mechanism in the present utility model.
Reference numerals illustrate:
the wire harness comprises a wire harness body 1, a wire 1-1, an insulating sleeve 1-2, a wire connecting terminal 1-3, a positioning sleeve 2, a movable groove 3, a through groove 4, a limiting groove 5, a through opening 6, a driving block 7, a driving rod 8, a first spring 9, a movable sleeve 10, a limiting plate 11, a second spring 12, a limiting rod 13, a buffer rope 14, a stretching mechanism 15, a limiting block 15-1, a pull rod 15-2, a pull ring 15-3, a third spring 15-4, a stretching groove 16, a rubber sleeve 17, an anti-skid pad 18 and anti-skid patterns 19.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
Examples
As shown in fig. 1 to 5, the present embodiment adopts the following technical scheme: the wire harness comprises a wire harness body 1, wherein the wire harness body 1 consists of a wire 1-1, an insulating sleeve 1-2 and a wiring terminal 1-3, the insulating sleeve 1-2 is fixedly sleeved on the wire 1-1, and one end of the wire 1-1 is fixedly connected with the wiring terminal 1-3;
it also comprises:
the positioning sleeve 2 is sleeved on the wire harness body 1, anti-slip patterns 19 are formed in the outer annular wall of the positioning sleeve 2, the roughness of the outer surface of the positioning sleeve 2 can be increased through the anti-slip patterns 19, so that larger friction force can be generated when a hand holds the positioning sleeve 2, the positioning sleeve 2 is prevented from falling off from the hand due to hand slip, threads are arranged on the right side of the inner annular wall of the positioning sleeve 2, a plurality of movable grooves 3 are distributed on the positioning sleeve 2 in a uniform circular angle manner, through grooves 4 are formed in the right side of the movable grooves 3, limit grooves 5 are formed in the inner side of the inner annular wall of the movable grooves 3, through holes 6 are formed in the inner side wall of the limit grooves 5, the movable grooves 3, the limit grooves 5 and the through holes 6 are communicated, and driving blocks 7 are movably arranged in the movable grooves 3;
the driving rods 8 are respectively and movably arranged in the through grooves 4 in a penetrating mode, the left ends of the driving rods 8 penetrate through the through grooves 4 and are fixedly welded with the driving blocks 7, first springs 9 are fixedly welded at the positions, located on the outer sides of the driving rods 8, of the right side walls of the driving blocks 7, and the right ends of the first springs 9 are fixedly welded on the right side walls of the movable grooves 3;
the movable sleeve 10 is sleeved on the wire harness body 1, the left side of the movable sleeve 10 is screwed with the positioning sleeve 2 through threads, the right end of the driving rod 8 is in contact with the movable sleeve 10, the rubber sleeve 17 is fixedly sleeved on the outer annular wall of the movable sleeve 10, and the comfort of hands during forcefully holding the movable sleeve 10 to rotate can be improved through the rubber sleeve 17, so that the movable sleeve 10 can be prevented from being rotated due to slipping of the hands;
the limiting plates 11 are arranged in the limiting grooves 5 in a abutting mode respectively, one side wall of each limiting plate 11 is arranged in a abutting mode with the corresponding driving block 7, an inclined chamfer is formed in the side wall of each driving block 7, the limiting plates 11 are conveniently abutted to be extruded when the driving block 7 moves leftwards, the second springs 12 are fixedly welded on the other side wall of each limiting plate 11, one ends of the second springs 12 are fixedly welded on the inner walls of the limiting grooves 5, limiting rods 13 are fixedly arranged at the inner side positions of the second springs 12 on the limiting plates 11, one ends of the limiting rods 13 penetrate through the through holes 6 and are fixedly provided with anti-slip pads 18 in an adhering mode, the anti-slip pads 18 are arranged on the wire harness body 1 in an abutting mode, the anti-slip pads 18 are made of rubber materials and have certain flexibility, destructive damage to the wire harness body 1 is avoided when the wire harness body 1 is extruded, and large friction force can be generated when the anti-slip pads 18 are in extrusion contact with the wire harness body 1, and the positioning sleeve 2 is fixedly limited on the wire harness body 1 and cannot move;
the two buffer ropes 14 are respectively and fixedly arranged on the front side and the rear side of the right side wall of the wiring terminal 1-3, the right ends of the two buffer ropes 14 are respectively provided with a stretching mechanism 15, the front side and the rear side of the left side wall of the positioning sleeve 2 are respectively provided with a stretching groove 16, the stretching mechanism 15 is connected with the stretching grooves 16, and the connection part of the wire 1-1 and the wiring terminal 1-3 can be replaced by the buffer ropes 14 to form a pulled stress section, so that when the wire harness is pulled by external force, the connection part of the wire 1-1 and the wiring terminal 1-3 is pulled by stress, and looseness or fracture is generated.
Examples
As shown in fig. 1 and 5, this embodiment is modified from the first embodiment, and the stretching mechanisms 15 each include:
the limiting block 15-1 is movably and contradicted in the stretching groove 16, the pull rod 15-2 is fixedly arranged at the left end of the limiting block 15-1, the pull ring 15-3 is fixedly arranged at the left end of the pull rod 15-2 after penetrating through the opening of the stretching groove 16, and the right end of the buffer rope 14 is bound on the pull ring 15-3;
and the third spring 15-4 is fixedly arranged on the left side wall of the limiting block 15-1 and positioned at the outer side position of the pull rod 15-2, and the left end of the third spring 15-4 is fixedly welded with the left inner wall of the stretching groove 16.
When the utility model is used, the positioning sleeve 2 is held by one hand, the positioning sleeve 2 is moved to a position which is required to be fixed on the wire harness body 1, the movable sleeve 10 is moved leftwards to be in contact with the positioning sleeve 2, then the movable sleeve 10 is rotated to be arranged in the positioning sleeve 2 through screw thread screwing, the driving rod 8 is extruded and moved leftwards in the screwing process of the movable sleeve 10, the driving rod 8 drives the driving block 7 to move leftwards, the first spring 9 is stretched, the driving block 7 is influenced by a guide angle opened by the driving block 7 in the leftwards moving process, the limiting plate 11 can be extruded and moved into the limiting groove 5, the limiting plate 11 drives the limiting rod 13 to move towards the direction of the through hole 6 and extrude the second spring 12, one end of the limiting rod 13, which is fixedly provided with the anti-slip pad 18, exposes out of the through hole 6, and the anti-slip pad 18 is extruded and contacted with the wire harness body 1, the positioning sleeve 2 and the movable sleeve 10 are completely fixed at the positions on the wire harness body 1, then the right end of the buffer rope 14 is bound on the pull ring 15-3, when the wire harness body 1 is integrally pulled, the two ends of the wire harness body 1 are respectively moved to the left and the right sides, so that the right side sections of the buffer rope 14 and the wire harness body 1, which are positioned on the movable sleeve 10, are straightened, then the wire terminal 1-3 pulls the pull ring 15-3 through the buffer rope 14, the pull ring 15-3 drives the limiting block 15-1 to move to the left side through the pull rod 15-2, the limiting block 15-1 extrudes the third spring 15-4, the allowable pulling distance when the wire harness body 1 is pulled is increased through the movement of the pull rod 15-2, in addition, in the whole pulling process, the connecting part of the wire harness 1-1 and the wire terminal 1-3 can be replaced by the buffer rope 14 to become a pulled stress section, the connection part of the wire 1-1 and the terminal 1-3 is not affected by external force when the whole wire harness body 1 is pulled, so that the connection part of the wire 1-1 and the terminal 1-3 is prevented from loosening or breaking.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the fixing of the positioning sleeve 2 at any position on the wire harness body 1 can be realized through the matching of the driving block 7, the driving rod 8, the movable sleeve 10, the limiting plate 11, the limiting rod 13, the first spring 9 and the second spring 12, and then the buffer rope 14 is connected with the stretching mechanism 15, so that when the wire harness body 1 is pulled, the buffer rope 14 can replace the connection part of the wire 1-1 and the wiring terminal 1-3 to be a pulled stress section, and the connection part of the wire 1-1 and the wiring terminal 1-3 is prevented from being pulled by stress to generate looseness or fracture;
2. the rubber sleeve 17 not only can increase the comfort of the hand when holding the movable sleeve 10 hard to rotate, but also can avoid the hand slipping and the incapability of rotating the movable sleeve 10.
It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A wire harness with a pulling-preventing buffer structure comprises a wire harness body (1), wherein the wire harness body (1) consists of a wire (1-1), an insulating sleeve (1-2) and a wiring terminal (1-3), the insulating sleeve (1-2) is fixedly sleeved on the wire (1-1), and one end of the wire (1-1) is fixedly connected with the wiring terminal (1-3);
the method is characterized in that: it also comprises:
the positioning sleeve (2) is sleeved on the wire harness body (1), threads are arranged on the right side of the inner annular wall of the positioning sleeve (2), a plurality of movable grooves (3) are distributed and formed in equal round corners on the positioning sleeve (2), through grooves (4) are formed in the right side of the movable grooves (3), limit grooves (5) are formed in the inner side of the inner annular wall of the movable grooves (3), through holes (6) are formed in the inner side walls of the limit grooves (5), and the movable grooves (3), the limit grooves (5) and the through holes (6) are communicated with each other, and driving blocks (7) are movably arranged in the movable grooves (3);
the driving rods (8) are respectively and movably arranged in the through grooves (4), the left end of each driving rod (8) is fixedly connected with the driving block (7) after passing through the through groove (4), a first spring (9) is fixedly arranged on the right side wall of the driving block (7) at the outer side position of the driving rod (8), and the right end of the first spring (9) is fixedly arranged on the right side wall of the movable groove (3);
the movable sleeve (10) is sleeved on the wire harness body (1), the left side of the movable sleeve (10) is connected with the positioning sleeve (2) in a screwed mode through threads, and the right end of the driving rod (8) is in contact with the movable sleeve (10);
the limiting plates (11) are arranged in the limiting grooves (5) in a propping mode respectively, one side wall of each limiting plate (11) is arranged in a propping mode with the driving block (7), a second spring (12) is fixedly arranged on the other side wall of each limiting plate (11), one end of each second spring (12) is fixedly arranged on the inner wall of each limiting groove (5), a limiting rod (13) is fixedly arranged at the inner side position of each limiting plate (11) and located on the second spring (12), and one end of each limiting rod (13) is arranged through the corresponding through hole (6);
the two buffer ropes (14) are respectively fixedly arranged on the front side and the rear side of the right side wall of the wiring terminal (1-3), the right ends of the two buffer ropes (14) are respectively provided with a stretching mechanism (15), the front side and the rear side of the left side wall of the positioning sleeve (2) are respectively provided with a stretching groove (16), and the stretching mechanisms (15) are connected with the stretching grooves (16).
2. A wire harness with a pull-resistant cushioning structure as claimed in claim 1, wherein: the stretching mechanisms (15) each comprise:
the limiting block (15-1) is movably abutted against the limiting block (15-1) and arranged in the stretching groove (16), a pull rod (15-2) is fixedly arranged at the left end of the limiting block (15-1), a pull ring (15-3) is fixedly arranged at the left end of the pull rod (15-2) after penetrating through an opening of the stretching groove (16), and the right end of the buffer rope (14) is bound on the pull ring (15-3);
the third spring (15-4) is fixedly arranged on the left side wall of the limiting block (15-1) and located at the outer side position of the pull rod (15-2), and the left end of the third spring (15-4) is fixedly connected with the left inner wall of the stretching groove (16).
3. A wire harness with a pull-resistant cushioning structure as claimed in claim 1, wherein: the outer annular wall of the movable sleeve (10) is fixedly sleeved with a rubber sleeve (17).
4. A wire harness with a pull-resistant cushioning structure as claimed in claim 1, wherein: one end of the limiting rod (13) is fixedly provided with an anti-slip pad (18), and the anti-slip pad (18) is arranged on the wire harness body (1) in a collision mode.
5. A wire harness with a pull-resistant cushioning structure as claimed in claim 1, wherein: the outer annular wall of the positioning sleeve (2) is provided with anti-skid patterns (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353766.9U CN219979919U (en) | 2023-05-31 | 2023-05-31 | Wire harness with anti-pulling buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353766.9U CN219979919U (en) | 2023-05-31 | 2023-05-31 | Wire harness with anti-pulling buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979919U true CN219979919U (en) | 2023-11-07 |
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ID=88588576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321353766.9U Active CN219979919U (en) | 2023-05-31 | 2023-05-31 | Wire harness with anti-pulling buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118236607A (en) * | 2024-05-29 | 2024-06-25 | 中国人民解放军总医院第四医学中心 | General drainage fixing and nursing device for hepatobiliary pancreatic breast surgery |
-
2023
- 2023-05-31 CN CN202321353766.9U patent/CN219979919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118236607A (en) * | 2024-05-29 | 2024-06-25 | 中国人民解放军总医院第四医学中心 | General drainage fixing and nursing device for hepatobiliary pancreatic breast surgery |
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