CN214455912U - Retractable wire harness - Google Patents

Abstract

The utility model discloses a collapsible pencil, including the pencil, be equipped with the shell on the pencil, be equipped with first through-hole on the shell, first through-hole is equipped with two, and the symmetric distribution is in the shell side, the pencil passes first through-hole and first through-hole sliding connection, be equipped with the tightening means who is used for the shrink pencil in the shell, the utility model discloses a be equipped with tightening means, can solve current pencil overlength and influence pleasing to the eye, occupy great space simultaneously, make mixed and disorderly problem around the wiring end, avoided because the distance frequent change between the wiring end, the pencil can move thereupon and appear the condition of knoing, has effectively prevented that the pencil from tearing or wiring end from damaging, has greatly reduced the loss.

Description

Retractable wire harness

Technical Field

The utility model relates to an electrical equipment technical field specifically is a collapsible pencil.

Background

Because the intelligent device has more connecting interfaces and more sensors, a quick connecting mode is needed, and most preferably, a centralized method is adopted to classify and arrange each group of signals by adopting a connector wire harness.

The pencil length of using at present is fixed, almost there is not elasticity, when connecting two uncertain wiring terminals of distance, need consider the maximum distance between the wiring terminal, and use length not less than the pencil of maximum distance between two wiring terminals to connect, the pencil of overlength not only influences beautifully, also can occupy great space, make wiring terminal mixed and disorderly around, distance frequent change between the wiring terminal simultaneously, the pencil can move thereupon, the condition of knoing probably appears, finally lead to the pencil to tear or the wiring terminal damages, bring the loss for the user, for this reason, we provide a collapsible pencil.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can solve current pencil overlength and influence pleasing to the eye, occupy great space simultaneously, make mixed and disorderly problem around the wiring end, avoided because the distance between the wiring end frequently changes, the pencil can move thereupon and the condition of knoing appears, has effectively prevented that the pencil from tearing or wiring end damage, has greatly reduced the collapsible pencil of loss to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a collapsible pencil, includes the pencil, be equipped with the shell on the pencil, be equipped with first through-hole on the shell, first through-hole is equipped with two, and the symmetric distribution is in the shell side, the pencil passes first through-hole and first through-hole sliding connection, be equipped with the tightening means who is used for the shrink pencil in the shell, the utility model discloses a be equipped with tightening means, can solve current pencil overlength and influence pleasing to the eye, occupy great space simultaneously, make mixed and disorderly problem around the wiring end, avoided because the distance between the wiring end frequently changes, the pencil can move thereupon and appear the condition of knoing, has effectively prevented that the pencil from tearing or wiring end from damaging, has greatly reduced the loss.

Preferably, tightening means includes the pivot, the pivot both ends all are rotated with the shell and are connected, the one end that the pivot is close to the shell top is equipped with torsion spring, torsion spring one end is fixed with the shell, and the other end is fixed with the pivot, be equipped with the stop device who is used for conveniently guaranteeing pencil length in the pivot, facilitate for the shrink of pencil.

Preferably, stop device includes the spring, the one end that the pivot is close to the shell bottom is equipped with the recess, spring one end is fixed bottom the recess, and the other end is equipped with the stopper, the one end that the spring was kept away from to the stopper is equipped with first inclined plane, the shell inner wall is equipped with the spacing groove, the spacing groove is equipped with a plurality ofly, and evenly distributed is at the shell inner wall, the pivot bottom is equipped with the slot hole, one side that the stopper is close to the slot hole is equipped with the pull rod, the pull rod runs through the slot hole, the shell bottom is equipped with the second through-hole, conveniently controls the length of pencil.

Preferably, be equipped with the third through-hole in the pivot, the third through-hole runs through the pivot side, be equipped with the arc wall in the pivot, the arc wall is equipped with a plurality ofly, and the symmetric distribution avoids the wearing and tearing between pivot and pencil at third through-hole both ends.

Preferably, the limiting groove is internally provided with a second inclined plane, so that the wire harness can be conveniently elongated.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be equipped with tightening means, can solve current pencil overlength and influence pleasing to the eye, occupy great space simultaneously, make mixed and disorderly problem around the wiring end, avoided because the distance between the wiring end frequently changes, the condition of knoing appears in the pencil can move thereupon, has effectively prevented that the pencil from tearing or wiring end damage, has greatly reduced the loss.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the rotating shaft of the present invention;

FIG. 3 is a schematic view of the structure of the housing of the present invention;

FIG. 4 is a schematic sectional view of the limiting device of the present invention

FIG. 5 is an enlarged view taken at A in FIG. 2;

FIG. 6 is an enlarged view of FIG. 2 at B;

fig. 7 is an enlarged view of fig. 3 at C.

In the figure: 1-a wire harness; 2-a housing; 3-a first via; 4-a tightening device; 5-a rotating shaft; 6-a torsion spring; 7-a limiting device; 8-a spring; 9-a groove; 10-a limiting block; 11-a first bevel; 12-a limiting groove; 13-long holes; 14-a pull rod; 15-a second via; 16-a third via; 17-an arc-shaped groove; 18-second slope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, a retractable wire harness shown in the drawings comprises a wire harness 1, a housing 2 is arranged on the wire harness 1, a first through hole 3 is formed in the housing 2, the two first through holes 3 are symmetrically distributed on the side face of the housing 2, the wire harness 1 penetrates through the first through hole 3 and is in sliding connection with the first through hole 3, a tightening device 4 for shrinking the wire harness 1 is arranged in the housing 2, and by arranging the tightening device 4, the problems that the appearance is affected due to the fact that the current wire harness 1 is too long, meanwhile, a large space is occupied, and the periphery of a wiring end is disordered are solved, the problem that the wire harness 1 can move along with the frequent change of the distance between the wiring ends is avoided, the knotting situation of the wire harness 1 is effectively prevented, tearing or damage of the wiring end is effectively prevented, and loss is greatly reduced.

The tightening device 4 comprises a rotating shaft 5, two ends of the rotating shaft 5 are rotatably connected with the shell 2, one end of the rotating shaft 5, which is close to the top of the shell 2, is provided with a torsion spring 6, one end of the torsion spring 6 is fixed with the shell 2, the other end of the torsion spring is fixed with the rotating shaft 5, and when the torsion spring 6 is in a loose state, the wire harness 1 is tightened on the rotating shaft 5;

the rotating shaft 5 is provided with a limiting device 7 for conveniently ensuring the length of the wiring harness 1, the limiting device 7 comprises a spring 8, one end of the rotating shaft 5, which is close to the bottom of the shell 2, is provided with a groove 9, one end of the spring 8 is fixed with the bottom of the groove 9, the other end of the spring is provided with a limiting block 10, one end of the limiting block 10, which is far away from the spring 8, is provided with a first inclined plane 11, the inner wall of the shell 2 is provided with a plurality of limiting grooves 12, the limiting grooves 12 are uniformly distributed on the inner wall of the shell 2, the bottom of the rotating shaft 5 is provided with a long hole 13, one side of the limiting block 10, which is close to the long hole 13, is provided with a pull rod 14, the pull rod 14 penetrates through the long hole 13, the bottom of the shell 2 is provided with a second through hole 15, when the wiring harness 1 is pulled, the torsion spring 6 is compressed, the rotating shaft 5 rotates inside the shell 2, at the moment the limiting block 10 is pressed into the groove 9, the spring 8 is compressed, when the limiting block 10 moves to the limiting groove 12, the elastic force accumulated by the spring 8 enables the limiting block 10 to be embedded into the limiting groove 12;

the rotating shaft 5 is provided with a third through hole 16, the third through hole 16 penetrates through the side face of the rotating shaft 5, the rotating shaft 5 is provided with a plurality of arc-shaped grooves 17, the arc-shaped grooves 17 are symmetrically distributed at two ends of the third through hole 16, the wiring harness 1 penetrates through the third through hole 16, and the arc-shaped grooves 17 can prevent the through hole 16 from damaging the wiring harness 1;

the second inclined plane 18 is arranged in the limiting groove 12, so that the wiring harness 1 can be conveniently pulled out.

The working principle is as follows: in an initial state, the wiring harness 1 passes through the first through hole 3 and the third through hole 16 and is wound on the rotating shaft 5, when the wiring harness 1 needs to be elongated, the wiring harness 1 is pulled, the torsion spring 6 is compressed, the rotating shaft 5 rotates in the shell 2, the limiting block 10 is pressed into the groove 9, the spring 8 is compressed, when the limiting block 10 moves to the limiting groove 12, the limiting block 10 is embedded into the limiting groove 12 by the elastic force accumulated by the spring 8, at the moment, the wiring harness 1 is loosened, under the elastic force of the torsion spring 6, the limit block 10 is firmly clamped in the limit groove 12, the wire harness 1 is continuously pulled, due to the existence of the first inclined surface 11 and the second inclined surface 18, the limited block 10 is pressed into the groove 9, when the wiring harness 1 needs to be contracted, the limiting block 10 can be retracted into the groove 9 by only pulling the pull rod 14 to compress the spring 8, and at the moment, the wiring harness 1 is accommodated under the elastic force of the torsion spring 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A retractable wire harness comprising a wire harness (1), characterized in that: be equipped with shell (2) on pencil (1), be equipped with first through-hole (3) on shell (2), first through-hole (3) are equipped with two, and the symmetric distribution is in shell (2) side, pencil (1) passes first through-hole (3) and first through-hole (3) sliding connection, be equipped with tightening means (4) that are used for contracting pencil (1) in shell (2).

2. A retractable wiring harness as claimed in claim 1, wherein: tightening means (4) are including pivot (5), pivot (5) both ends all rotate with shell (2) and are connected, the one end that pivot (5) are close to shell (2) top is equipped with torsion spring (6), torsion spring (6) one end is fixed with shell (2), and the other end is fixed with pivot (5), be equipped with stop device (7) that are used for conveniently guaranteeing pencil (1) length on pivot (5).

3. A retractable wiring harness as claimed in claim 2, wherein: stop device (7) are including spring (8), the one end that pivot (5) are close to shell (2) bottom is equipped with recess (9), spring (8) one end is fixed with recess (9) bottom, and the other end is equipped with stopper (10), the one end that spring (8) were kept away from in stopper (10) is equipped with first inclined plane (11), shell (2) inner wall is equipped with spacing groove (12), spacing groove (12) are equipped with a plurality ofly, evenly distributed is at shell (2) inner wall, pivot (5) bottom is equipped with slot hole (13), one side that stopper (10) are close to slot hole (13) is equipped with pull rod (14), pull rod (14) run through slot hole (13), shell (2) bottom is equipped with second through-hole (15).

4. A retractable wiring harness as claimed in claim 3, wherein: be equipped with third through-hole (16) on pivot (5), third through-hole (16) run through pivot (5) side, be equipped with arc wall (17) on pivot (5), arc wall (17) are equipped with a plurality ofly, and the symmetric distribution is at third through-hole (16) both ends.

5. A retractable wiring harness as claimed in claim 3, wherein: a second inclined plane (18) is arranged in the limiting groove (12).

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