CN214479281U - Bending fracture prevention wire harness - Google Patents

Abstract

The utility model discloses a prevent crooked fracture pencil, including the pencil, pencil outside cover is equipped with a plurality of protective sheaths, and the one end outside annular array of protective sheath is provided with four landing legs to the protective sheath is kept away from the one end of landing leg and is seted up four spouts, four spouts and four landing legs correspond respectively and are located same straight line, adjacent two have certain clearance between the protective sheath, and the clearance is less than half of landing leg length between two protective sheaths. The utility model discloses in, through installing a plurality of protective sheaths on the pencil, when can have the protection to the pencil outer wall, can restrict the angle of buckling, through four elastic leg of peripheral ring array installation at the pencil, when the pencil takes place to buckle, elastic leg has the restoring force to the direction of buckling of pencil to avoid the angle of buckling of pencil too big, avoid it because buckle the emergence fracture, promote the security of pencil.

Description

Bending fracture prevention wire harness

Technical Field

The utility model relates to a prevent bending fracture pencil.

Background

The load source is a service object of the wiring harness, and generally refers to user equipment; broadly speaking, a superior device is the source of load for a subordinate device. In telephone communication, a load source is also called a speech source, the number of service equipment contained in a wire harness is called the wire harness capacity, the capacity of the wire harness is V, and the wire harness provides services for N load sources; any one of the load sources from which a call is made may occupy an idle service device in the bundle.

The pencil needs carry out certain degree fixedly to the trend of pencil mostly in the use, can make its self take place to buckle to a certain extent at the in-process that changes the pencil trend, and when the angle of buckling was too big, in long-time use, easily caused the fracture of pencil, made communication between the component impaired, therefore need carry out fracture protection to the pencil to a certain extent, promoted the life of pencil.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent bending fracture pencil has solved current pencil and has easily taken place cracked problem when the angle of buckling is too big.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anti-bending fracture pencil, includes the pencil, pencil outside cover is equipped with a plurality of protective sheaths, and the one end outside annular array of protective sheath is provided with four landing legs to four spouts have been seted up to the one end that the landing leg was kept away from to the protective sheath, four spouts and four landing legs correspond respectively and are located same straight line, adjacent two have certain clearance between the protective sheath, and the clearance is less than half of landing leg length between two protective sheaths.

As a further description of the above technical solution:

the landing leg is V-arrangement structure, and the one end length of landing leg is less than the other end, the less one end welding of landing leg length has the spacing strip of level setting, and landing leg and spacing strip welding position are located spacing strip 1/3 position department.

As a further description of the above technical solution:

four spacing grooves are formed in the protective sleeve close to the annular array in one end of the supporting leg, through grooves communicated with the outside are formed in the four spacing grooves, and the width of each through groove is larger than or equal to 2/3 of each spacing strip and is smaller than the length of each spacing strip.

As a further description of the above technical solution:

the wiring harness is sleeved with an installation sheet, a plurality of through holes are uniformly formed in the installation sheet, the wiring harness penetrates through the through holes, the wiring harness and the through holes are in interference fit, and four convex blocks are integrally formed on the installation sheet in an annular array mode.

As a further description of the above technical solution:

annular groove that slides has been seted up to the inside central line position department of protective sheath, and annular array has four spread grooves on the inner wall of protective sheath to spread groove and the intercommunication setting between the groove that slides, annular array has seted up four draw-in grooves on the inner wall of protective sheath, and the contained angle is 5 between draw-in groove and the spread groove that is closest.

As a further description of the above technical solution:

the inside slip of groove has the push ring, and one side fixedly connected with extrusion spring of push ring to fixed connection between the other end and the protective sheath of extrusion spring.

The utility model discloses possess following beneficial effect at least:

1. the utility model discloses in, through installing a plurality of protective sheaths on the pencil, when can have the protection to the pencil outer wall, can restrict the angle of buckling, through four elastic leg of peripheral ring array installation at the pencil, when the pencil takes place to buckle, elastic leg has the restoring force to the direction of buckling of pencil to avoid the angle of buckling of pencil too big, avoid it because buckle the emergence fracture, promote the security of pencil.

2. The utility model discloses in, at first pass the installation piece with the pencil in proper order, pass the protective sheath with the pencil afterwards, in installing the protective sheath with the installation piece, lug on the installation piece passes through the spread groove and gets into the groove that slides, the installation piece when the groove that slides, rotates the installation piece, makes the position department of its lug motion to the draw-in groove, under the effect of extrusion spring, the lug joint to the draw-in groove of pushing away the installation piece is pushed to the throw-out collar, position to the installation of this convenient completion pencil protective sheath in the manufacturing process is stabilized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 shows a front view provided in accordance with the present invention;

figure 2 shows a longitudinal cross-sectional elevation of a protective casing according to the present invention;

figure 3 shows a longitudinal cross-sectional side view of a protective casing according to the present invention.

In the figure: 1. a wire harness; 2. a protective sleeve; 201. a sliding groove; 3. a support leg; 4. a chute; 5. a limiting groove; 6. a through groove; 7. a limiting strip; 8. connecting grooves; 9. a card slot; 10. a push ring; 11. a compression spring; 12. mounting a sheet; 1201. a bump; 13. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a prevent crooked fracture pencil, including pencil 1, 1 outside cover of pencil is equipped with a plurality of protective sheaths 2, and the one end outside annular array of protective sheath 2 is provided with four landing legs 3, and protective sheath 2 keeps away from the one end of landing leg 3 and has seted up four spout 4, four spout 4 and four landing legs 3 correspond respectively and are located same straight line, guarantee that landing leg 3 in the last protective sheath 2 outside can slide in spout 4, be convenient for keep stable position each other, have certain clearance between two adjacent protective sheaths 2, and the clearance is less than half of landing leg 3 length between two protective sheaths 2, guarantee that protective sheath 2 can not hinder the pencil in the bending of certain extent, but be unlikely to the bending angle too big.

Specifically, as shown in fig. 1 and 2, landing leg 3 is the V-arrangement structure, and the one end length of landing leg 3 is less than the other end, the less one end welding of landing leg 3 length has spacing 7 that the level set up, and landing leg 3 is located 1/3 position department of spacing 7 with spacing 7 welding position, protective sheath 2 is close to the inside annular array of landing leg 3 one end and has seted up four spacing grooves 5, and the logical groove 6 with outside intercommunication is all seted up to the top of four spacing grooves 5, and lead to 2/3 of groove 6's width more than or equal to spacing 7, be less than spacing 7 length, guarantee that spacing 7 moves back down the time, it can not deviate from spacing groove 5 for a long time, certain damping has between spacing 7 and the spacing groove 5, guarantee the stability of connecting.

Specifically, as shown in fig. 1-3, a mounting plate 12 is sleeved on a wire harness 1, a plurality of through holes 13 are uniformly formed in the mounting plate 12, the wire harness 1 passes through the through holes 13, and the wire harness 1 and the through holes 13 are in interference fit to ensure stable position between the mounting plate 12 and the wire harness 1, the wire harness 1 and the through holes 13 are in interference fit, but because the wire harness has certain elasticity, relative sliding can still occur when the pulling force is large, an annular array is integrally formed on the mounting plate 12 with four protrusions 1201, an annular sliding groove 201 is formed at the position of an inner center line of the protective sleeve 2, an annular array is formed on the inner wall of the protective sleeve 2 with four connecting grooves 8, the connecting grooves 8 and the sliding groove 201 are communicated, four clamping grooves 9 are formed on the inner wall of the protective sleeve 2, an included angle between the clamping groove 9 and the closest connecting groove 8 is 5 °, and the protrusions 1201 can slide in the connecting grooves 8 and 9, and draw-in groove 9 highly be less than spread groove 8, and the inside slip of groove 201 that slides has push ring 10, and one side fixedly connected with extrusion spring 11 of push ring 10 to fixed connection between extrusion spring 11's the other end and the protective sheath 2, extrusion spring 11 inlays to be located inside groove 201 that slides.

The working principle is as follows: firstly, a wire harness 1 sequentially penetrates through a mounting piece 12, the position of the mounting piece 12 on the wire harness is guaranteed to be stable through interference 1 fit between the mounting piece 12 and the wire harness, then the wire harness penetrates through a protective sleeve 2, the mounting piece 12 is mounted into the protective sleeve 2, a lug 1201 on the mounting piece 12 enters a sliding groove 201 through a connecting groove 8, when the mounting piece 12 is in the sliding groove 201, the mounting piece 12 is rotated, the lug 1201 moves to the position of a clamping groove 9, then the handle is loosened, and under the action of an extrusion spring 11, a push ring 10 pushes the lug 1201 of the mounting piece 12 to be clamped into the clamping groove 9, so that the position of the mounting piece 12 is stabilized, and the mounting of the protective sleeve 2 in the manufacturing process of the wire harness 1 is conveniently completed; insert the spacing groove 5 through leading to groove 6 at first with the longer one end of spacing 7 of 3 one ends of landing leg, insert spacing groove 5 with its shorter one end afterwards, pull spacing 7 back end at the front end of spacing groove 5 again, have certain damping through between spacing 7 and the spacing groove 5, the realization is to the stability of landing leg 3 position, peg graft 3 of back protective sheath 2 in the spout 4 of protective sheath 2, when the change of angle takes place between two protective sheaths 2, the landing leg 3 that is located the inboard has the elasticity to pencil 1 one side, thereby restrict the degree of buckling, avoid it to buckle excessively, with this protection to the pencil, promote the security of pencil 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a prevent crooked fracture pencil, includes pencil (1), its characterized in that, pencil (1) outside cover is equipped with a plurality of protective sheaths (2), and the one end outside annular array of protective sheath (2) is provided with four landing legs (3) to four spouts (4) have been seted up to the one end that landing leg (3) were kept away from in protective sheath (2), four spouts (4) and four landing legs (3) correspond respectively and are located same straight line, adjacent two have certain clearance between protective sheath (2), and the clearance is less than half of landing leg (3) length between two protective sheath (2).

2. The bending fracture prevention wire harness as claimed in claim 1, wherein the leg (3) is in a V-shaped structure, one end of the leg (3) is shorter than the other end of the leg, a horizontally arranged limiting strip (7) is welded to the end of the leg (3) with the shorter length, and the welding position of the leg (3) and the limiting strip (7) is located at the position of the limiting strip (7) 1/3.

3. The bending and breaking prevention wire harness as claimed in claim 2, wherein the protective sleeve (2) is provided with four limiting grooves (5) in an internal annular array at one end close to the supporting leg (3), the four limiting grooves (5) are provided with through grooves (6) communicated with the outside, and the width of each through groove (6) is greater than or equal to 2/3 of each limiting strip (7) and smaller than the length of each limiting strip (7).

4. The bending and breaking prevention wire harness as claimed in claim 1, wherein the wire harness (1) is sleeved with a mounting piece (12), a plurality of through holes (13) are uniformly formed in the mounting piece (12), the wire harness (1) penetrates through the through holes (13), the wire harness (1) and the through holes (13) are in interference fit, and four convex blocks (1201) are integrally formed in the mounting piece (12) in an annular array mode.

5. The bending breakage preventing wire harness as claimed in claim 1, wherein an annular sliding groove (201) is formed in the position of an inner center line of the protective sleeve (2), four connecting grooves (8) are formed in an annular array on the inner wall of the protective sleeve (2), the connecting grooves (8) and the sliding groove (201) are communicated, four clamping grooves (9) are formed in an annular array on the inner wall of the protective sleeve (2), and an included angle between each clamping groove (9) and the closest connecting groove (8) is 5 °.

6. The bending breakage preventing harness as claimed in claim 5, wherein the sliding groove (201) is slidably inserted with a push ring (10), and one side of the push ring (10) is fixedly connected with a compression spring (11), and the other end of the compression spring (11) is fixedly connected with the protective sheath (2).

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