CN217656194U - Anti-breaking clock spring - Google Patents

Abstract

The utility model discloses a prevent clock spring of rupture, set up the shell body of mounting hole and set up the recess of locating shell body up end and terminal surface down between two parties including inside between two parties, the bottom fixed mounting of recess has set up in the outlying collar of mounting hole between two parties, it is provided with fixing bolt to be annular array on the outer fringe face of collar, and is annular array fixed mounting on the inner fringe face of collar and have arc rubber bump, but fixing bolt's bolt body spiral twist in the collar, and the cover is equipped with the one-level spring of butt collar on fixing bolt's the bolt body outer fringe face, the coiling chamber has been seted up to the inside of shell body, and the symmetrical structure has the buffering box on the outer fringe face of shell body, set up the wire casing of putting through coiling chamber between two parties on the outer fringe face of buffering box, this prevent clock spring of rupture, rational in infrastructure, be convenient for promote installation stability, and be convenient for reduce the cable and at the in-process rupture's of pulling out and shrink the circumstances, the practicality is strong.

Description

Anti-breaking clock spring

Technical Field

The utility model belongs to the technical field of the clock spring, concretely relates to prevent clock spring of rupture.

Background

The main airbag rotates along with the steering wheel (can be imagined to be a wire harness with a certain length and wound on a steering shaft of the steering wheel, and can be timely and reversely loosened or tightened when rotating along with the steering wheel, but the main airbag also has a limit, and the wire harness can not be broken when the steering wheel is dead to the left or the right), so that the connecting wire harness has a margin and can be ensured to rotate to the limit position to one side without being broken. This is particularly noticeable during installation and must be ensured in the middle.

The existing clock spring is generally arranged on the upper surface of a combined switch below a steering wheel of a vehicle or on a pipe column metal plate, but a fastening structure is not arranged during the installation, and the clock spring is easy to loosen when the vehicle encounters bumpy road surfaces during the long-time running process, so that the normal use of the clock spring is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent clock spring of rupture 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 does:

an anti-breaking clock spring comprises an outer shell with a mounting hole in the middle and grooves in the upper end surface and the lower end surface of the outer shell in the middle;

the bottom of recess fixed mounting placed in the middle sets up in mounting hole outlying collar, it is annular array and is provided with fixing bolt to be on the outer fringe face of collar, and is annular array fixed mounting on the inner fringe face of collar has arc rubber bump, fixing bolt's the external face of bolt can screw into in the collar, and the external face of bolt of fixing bolt goes up the cover and is equipped with the one-level spring of butt collar.

Furthermore, a winding cavity is formed in the outer shell, the outer edge surface of the outer shell is symmetrically provided with a buffer box, and a wire groove communicated with the winding cavity is formed in the middle of the outer edge surface of the buffer box.

Further, the rotatable carousel of installing in the middle of coiling the intracavity, it has the cable to coil on the outer fringe face of carousel.

Further, fixed mounting is placed in the middle there is the pivot in the buffering box, the rotatable lantern ring of installing on the outer fringe face of pivot, all be annular array fixed mounting on the outer fringe face of the lantern ring and the inner wall of buffering box and have buffering subassembly.

Further, buffer assembly includes the baffle-box of fixed mounting in lantern ring outer fringe face and buffering box inner wall, mobile mounting has the bearing plate in the baffle-box, the bottom fixed mounting placed in the middle of the bearing plate has the secondary spring, and one side that the secondary spring was kept away from to the bearing plate fixed mounting placed in the middle has the bearing post, the one end that the bearing plate was kept away from to the bearing post extends baffle-box and fixedly connected with circle axle, rotatable mounting has the runner on the outer fringe face of circle axle.

Compared with the prior art, the utility model discloses following beneficial effect has: thanks to the arrangement of the fixing bolt and the first-stage spring, the mounting hole of the outer shell can be sleeved on the pipe column metal plate, the fixing bolt is screwed, the bolt body of the fixing bolt penetrates through the mounting ring and is screwed into the pipe column metal plate in a spiral manner, the outer shell is fixedly mounted on the pipe column metal plate, the first-stage spring is deformed under pressure in the process of screwing the fixing bolt, the thread meshing strength of the fixing bolt body, the mounting ring and the pipe column metal plate can be improved through the elastic force generated by the deformation action of the first-stage spring, the mounting stability is improved, and the normal use of the clock spring is ensured;

benefit from the setting of buffering subassembly, but around the outer fringe face of locating the cable butt runner on the carousel outer fringe face to stretch out in the wire casing of seting up from the buffering box, the cable can produce pressure to the runner at the in-process of pulling out with the shrink, thereby make the bearing post push bearing plate remove, thereby make second grade spring pressurized deformation, the deformation effect through second grade spring realizes the buffering to the cable, reduces the condition of cable at the in-process rupture of pulling out with the shrink.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the internal structure of the buffering assembly of the present invention;

fig. 4 is an enlarged schematic view of the structure a in fig. 1 according to the present invention.

In the figure: 1. an outer housing; 2. a winding chamber; 3. a groove; 4. mounting holes; 5. a mounting ring; 6. arc-shaped rubber bumps; 7. fixing the bolt; 8. a primary spring; 9. a buffer box; 10. a wire slot; 11. a turntable; 12. a rotating shaft; 13. a collar; 14. a buffer assembly; 1401. a buffer tank; 1402. a pressure bearing plate; 1403. a secondary spring; 1404. a pressure-bearing column; 1405. a circular shaft; 1406. a rotating wheel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an anti-break clock spring comprises an outer shell 1 with a mounting hole 4 formed in the center and a groove 3 formed in the center on the upper end surface and the lower end surface of the outer shell 1;

fixed mounting placed in the middle of the bottom of recess 3 has set up in installing hole 4 outlying collar 5, it is annular array and is provided with fixing bolt 7 on the outer fringe face of collar 5, and be annular array fixed mounting on the inner fringe face of collar 5 and have arc rubber bump 6, but fixing bolt 7's the key body spiral twists in collar 5, and the cover is equipped with the one-level spring 8 of butt collar 5 on fixing bolt 7's the key body outer fringe face, benefit from fixing bolt 7 and the setting of one-level spring 8, can locate the mounting hole 4 cover of shell body 1 on the tubular column panel beating, and move fixing bolt 7 through twisting, make fixing bolt 7's key body spiral pass collar 5 and spiral twist on the tubular column panel beating, realize with shell body 1 fixed mounting on the tubular column panel beating, and at the in-process of twisting fixing bolt 7, can make one-level spring 8 receive the compressive deformation, can promote fixing bolt 7 key body and the thread engagement intensity of collar 5 and tubular column through the elasticity that one-level spring 8 effect produced, thereby promote installation stability, the normal use of clock spring has become.

Wherein, the coiling cavity 2 has been seted up to the inside of shell body 1, and the symmetrical structure has the buffering box 9 on the outer fringe face of shell body 1, offers the wire casing 10 of putting through coiling cavity 2 between two parties on the outer fringe face of buffering box 9.

Wherein, rotatable installation has carousel 11 in the middle of in coiling chamber 2, and it has the cable to coil on the outer fringe face of carousel 11.

Wherein, fixed mounting has pivot 12 in the middle in the buffering box 9, and rotatable mounting has lantern ring 13 on the outer fringe face of pivot 12, all is annular array fixed mounting on the outer fringe face of lantern ring 13 and the inner wall of buffering box 9 to have buffering subassembly 14.

Wherein, buffer assembly 14 includes buffer tank 1401 fixedly mounted on the outer edge face of lantern ring 13 and the inner wall of buffer box 9, movably in buffer tank 1401, pressure-bearing plate 1402 is mounted, secondary spring 1403 is fixedly mounted in the middle of the bottom of pressure-bearing plate 1402, and pressure-bearing column 1404 is fixedly mounted in the middle of one side of pressure-bearing plate 1402 far away from secondary spring 1403, one end of pressure-bearing column 1404 far away from pressure-bearing plate 1402 extends out of buffer tank 1401 and is fixedly connected with circular shaft 1405, rotating wheel 1406 is rotatably mounted on the outer edge face of circular shaft 1405, benefiting from the arrangement of buffer assembly 14, the cable wound on the outer edge face of turntable 11 can abut against the outer edge face of rotating wheel 1406, and extends out of wire casing 10 arranged on buffer box 9, the cable can generate pressure on rotating wheel 1406 in the process of pulling out and contracting, thereby pressure is generated by pressure on pressure-bearing column 1404 pushing pressure-bearing plate 1402 to move, thereby secondary spring 1403 is pressed and deformed, the buffer of the cable is realized through the deformation effect of secondary spring 1403, and the condition that the cable breaks in the process of pulling out and contracting is reduced.

The working principle is as follows: this clock spring of preventing rupture, during the use, can locate the mounting hole 4 cover of shell body 1 on the tubular column panel beating, and move fixing bolt 7 through twisting, make fixing bolt 7's bolt body spiral pass collar 5 and spiral twist on the tubular column panel beating, realize with shell body 1 fixed mounting on the tubular column panel beating, and in the in-process of twisting fixing bolt 7, can make one-level spring 8 receive the pressure deformation, the elasticity that produces through one-level spring 8 deformation can promote fixing bolt 7 bolt body and collar 5 and the screw-thread engagement intensity of tubular column panel beating, thereby promote installation stability, around the cable that locates on carousel 11 outer fringe face can butt runner 1406, and stretch out in the wire casing 10 of seting up on the buffering box 9, the cable can produce pressure to runner 1406 at the in-process of pulling out and shrink, thereby make the 1404 push bearing plate 1402 remove, thereby make second grade spring 1403 deformation, realize the buffering to cable 1403 through the pressurized deformation effect of second grade spring, this clock spring of preventing rupture, and reasonable structure, be convenient for promoting installation stability, and be convenient for reduce the condition that the cable breaks and shrink in the in-process, therefore, the practicality is strong.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. An anti-breaking clock spring comprises an outer shell (1) and grooves (3), wherein a mounting hole (4) is formed in the middle of the inner part of the outer shell (1), and the grooves are formed in the middle of the upper end face and the lower end face of the outer shell (1);

the method is characterized in that: the bottom of recess (3) fixed mounting placed in the middle sets up in mounting hole (4) outlying collar (5), it is annular array and is provided with fixing bolt (7) to be on the outer fringe face of collar (5), and is annular array fixed mounting on the inner fringe face of collar (5) and have arc rubber bump (6), but the bolt body of fixing bolt (7) is the spiral and is twisted in collar (5), and the cover is equipped with one-level spring (8) of butt collar (5) on the bolt body outer fringe face of fixing bolt (7).

2. A snap-off resistant clock spring as claimed in claim 1, wherein: the winding cavity (2) is formed in the outer shell (1), the buffer boxes (9) are symmetrically formed on the outer edge surface of the outer shell (1), and the wire groove (10) which is communicated with the winding cavity (2) is formed in the middle of the outer edge surface of the buffer boxes (9).

3. A snap-off resistant clock spring as claimed in claim 2, wherein: rotatable installation in the middle of in coiling chamber (2) has carousel (11), it has the cable to coil on the outer fringe face of carousel (11).

4. A snap-off resistant clock spring as claimed in claim 3, wherein: fixed mounting is placed in the middle in buffering box (9) has pivot (12), rotatable mounting has lantern ring (13) on the outer fringe face of pivot (12), all be annular array fixed mounting on the outer fringe face of lantern ring (13) and the inner wall of buffering box (9) and have buffering subassembly (14).

5. An anti-snap clock spring according to claim 4, wherein: buffer unit (14) are including buffer tank (1401) of fixed mounting in lantern ring (13) outer fringe face and buffer box (9) inner wall, movably mounting has bearing plate (1402) in buffer tank (1401), the fixed mounting is placed in the middle of the bottom of bearing plate (1402) has secondary spring (1403), and bearing plate (1402) keep away from one side of secondary spring (1403) fixed mounting has bearing post (1404) placed in the middle, the one end that bearing plate (1402) were kept away from in bearing post (1404) extends buffer tank (1401) and fixedly connected with circle axle (1405), rotatable wheel (1406) of installing on the outer fringe face of circle axle (1405).

Images