CN219295364U

CN219295364U - Anti-fracture safety belt mandrel

Info

Publication number: CN219295364U
Application number: CN202320364110.0U
Authority: CN
Inventors: 冯忠保
Original assignee: Wuxi Jinghang Machinery Manufacturing Co ltd
Current assignee: Wuxi Jinghang Machinery Manufacturing Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-07-04
Anticipated expiration: 2033-03-01

Abstract

The utility model discloses an anti-fracture safety belt mandrel, which comprises a shaft shell, wherein a perforation is formed in the surface of the shaft shell, a shaft body is arranged in the shaft shell, a plurality of groups of clamping strips are arranged on the surface of the shaft body, a plurality of groups of clamping grooves are formed in the inner wall of the shaft shell, the clamping strips are clamped into the clamping grooves, the shaft body is limited to move in the shaft shell through the clamping strips, gaps between the shaft body and the shaft shell are filled through a felt sleeve, the shaft body and the shaft shell are prevented from being worn through cooperation of the felt sleeve, an anti-disengagement groove is formed in the surface of the shaft body, an anti-disengagement rod is arranged in the anti-disengagement groove, a braid is arranged on the surface of the anti-disengagement rod, a reinforcing block inserted into the accommodating groove is arranged on the surface of the shaft body, and can limit the deformation of the shaft body when the braid pulls the shaft body, so that the stability of the structure of the shaft body is ensured, the reliability of the whole mandrel is improved, the whole mandrel is not easy to deform, the mandrel is prevented from being broken, and the service life of the mandrel is prolonged.

Description

Anti-fracture safety belt mandrel

Technical Field

The utility model relates to the technical field of safety belts, in particular to a breakage-resistant safety belt mandrel.

Background

The automobile safety belt is automobile safety protection equipment, and limits and protects passengers in an automobile through locking when traffic accidents and emergency braking occur. Automobile seat belts are generally composed of a housing, webbing, stopper rod, and the like. The safety braid is wound and fixed on the stopper rod and penetrates out from the safety braid inlet, because the safety braid is fixed with the stopper rod, and the safety braid is wound on the reel shell, the stopper rod is pulled all the time by the safety braid in the process of winding and unwinding the safety belt, so that the stopper rod is easy to deform in the mandrel, the service life of the automobile safety belt is reduced, when emergency braking is carried out, the pulling force of the safety braid applied to the stopper rod is increased, friction between the stopper rod and the shaft shell is caused, gaps are formed, the gap can lead the stopper rod to have a bending trend, the deformation defect of the mandrel can be caused when the pulling force is over-limited, and then the local stress of the whole mandrel is increased, cracks are easy to occur, and potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide a breakage-resistant safety belt mandrel, which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-fracture safety belt mandrel comprises a shaft shell, wherein the shaft shell is in a cylindrical shape, a through hole is formed in the surface of the shaft shell, a shaft body is arranged in the shaft shell, a plurality of groups of clamping strips are arranged on the surface of the shaft body, a plurality of groups of clamping grooves are formed in the inner wall of the shaft shell, the clamping strips are clamped into the clamping grooves, and the clamping strips ensure that the shaft body and the shaft shell rotate synchronously, so that the shaft body is prevented from being worn;

the anti-drop groove is formed in the surface of the shaft body, an anti-drop rod is arranged in the anti-drop groove, a braid is arranged on the surface of the anti-drop rod, the braid penetrates through the through hole, the braid is attached to the inner wall of the anti-drop groove, a felt sleeve is sleeved on the surface of the shaft body and is contacted with the shaft body, wear-resistant characteristics of the felt are utilized, the shaft body and the shaft body are prevented from being worn away from each other, a containing groove is formed in the shaft body, a reinforcing block inserted into the containing groove is arranged on the surface of the shaft body, and the reinforcing block and the shaft body are integrally formed.

Further, the ratchet wheel is arranged on the right side face of the shaft housing, the ratchet wheel and the shaft housing are integrally formed, and the ratchet wheel enables the shaft housing to be limited to rotate, so that movement of the webbing is limited.

Further, the surface of the shaft body is provided with a mounting groove, and the clamping strip is arranged in the mounting groove, so that the clamping strip is more stable in connection with the shaft body.

Further, the meshbelt cladding is on anticreep stick surface, meshbelt surface fixedly connected with go-between for meshbelt reliable and stable with anticreep stick is connected, ensures that meshbelt and the connection of axis body are more stable.

Furthermore, the surface of the shaft housing is provided with a plurality of groups of weight-reducing grooves, so that materials and cost are saved.

Further, the surface of the shaft body is provided with an outlet hole, and the braid extends out of the outlet hole.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the shaft body is limited to move in the shaft shell through the clamping strips, the gap between the shaft body and the shaft shell is filled through the felt sleeve, the shaft body and the shaft shell are prevented from being worn by matching with the clamping strips, when the shaft body is pulled by the braid, the shaft body can be limited to deform by the reinforcing block, the stability of the structure of the shaft body is ensured, the reliability of the whole mandrel is further improved, the mandrel is not easy to deform, the breakage of the mandrel is further prevented, and the service life of the mandrel is prolonged.

Drawings

FIG. 1 is a schematic view of the connection of a shaft housing and a shaft body according to the present utility model;

FIG. 2 is a cross-sectional view of the axle housing of the present utility model;

FIG. 3 is a schematic view of the connection structure of the shaft body and the anti-drop groove of the present utility model;

fig. 4 is a schematic structural view of the connection between the webbing and the anti-drop bar according to the present utility model.

In the figure: 1. a shaft housing; 2. a ratchet wheel; 3. a weight reduction groove; 4. perforating; 5. a shaft body; 6. a hole is formed; 7. a clamping strip; 8. a receiving groove; 9. a clamping groove; 10. a felt sleeve; 11. a mounting groove; 12. an anti-drop groove; 13. a reinforcing block; 14. webbing belt; 15. an anti-drop rod; 16. and a connecting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an anti-fracture safety belt mandrel, includes axle housing 1, axle housing 1 plays the effect of protection, axle housing 1 surface is equipped with perforation 4, axle housing 1 internally mounted has axis body 5, axis body 5 surface mounting has a plurality of groups joint strip 7, axle housing 1 inner wall is equipped with a plurality of groups draw-in groove 9, joint strip 7 card is gone into inside draw-in groove 9, joint strip 7 ensures that axis body 5 and axle housing 1 synchronous rotation;

the utility model discloses a novel shaft body, including the body 5, the body 5 surface is equipped with anticreep groove 12, anticreep groove 12 and apopore 6 intercommunication, anticreep groove 12 internally mounted has anticreep stick 15, anticreep stick 15 surface mounting has meshbelt 14, and meshbelt 14 passes perforation 4, the body 5 surface has cup jointed felt cover 10, and felt cover 10 possesses wear-resisting advantage for the body 5 is connected more stably with axle housing 1, the inside holding tank 8 that is equipped with of axle housing 1, the body 5 surface is equipped with the reinforcing piece 13 of intussuseption holding tank 8 inside, and reinforcing piece 13 improves the rigidity of body 5.

The right side of the shaft housing 1 is provided with a ratchet wheel 2, the ratchet wheel 2 and the shaft housing 1 are integrally formed, and after the shaft housing 1 is assembled, the ratchet wheel 2 can limit the mandrel to rotate.

The surface of the shaft body 5 is provided with a mounting groove 11, the clamping strip 7 is arranged in the mounting groove 11, and the clamping strip 7 can clamp the shaft body 5.

The meshbelt 14 cladding is at anticreep stick 15 surface, meshbelt 14 surface fixedly connected with go-between 16 improves meshbelt 14 and anticreep stick 15 connection's stability.

The surface of the shaft housing 1 is provided with a plurality of groups of weight reducing grooves 3, so that the dead weight of the mandrel is reduced.

The surface of the shaft body 5 is provided with an outlet hole 6, and the webbing 14 extends out of the outlet hole 6.

Specifically, during the use, when the meshbelt 14 pulls anticreep stick 15, anticreep stick 15 is blocked inside anticreep groove 12, anticreep stick 15 pulls the axis body 5, axis body 5 drives the axle housing 1 through a plurality of groups of annular arrangement's joint strip 7 and rotates, avoid axis body 5 individual motion, and then prevent the wearing and tearing axle housing 1 of axis body 5, cooperation felt cover 10 ensures that axis body 5 and axle housing 1 can not warp, improve the stability of axis body 5 and axle housing 1 structure, when meshbelt 14 pulls axis body 5, boss 13 supports holding tank 8, boss 13 strengthens the stability of axis body 5 structure, and then improve the stability of whole dabber, the dabber uses safelyr.

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

Claims

1. The utility model provides a breakage-resistant safety belt dabber, includes axle housing (1), its characterized in that: axle housing (1) surface is equipped with perforation (4), axle housing (1) internally mounted has axis body (5), axis body (5) surface mounting has a plurality of groups joint strip (7), axle housing (1) inner wall is equipped with a plurality of groups draw-in groove (9), inside draw-in groove (9) are advanced to joint strip (7), axis body (5) surface is equipped with anticreep groove (12), anticreep groove (12) internally mounted has anticreep stick (15), anticreep stick (15) surface mounting has meshbelt (14), and meshbelt (14) pass perforation (4), felt cover (10) have been cup jointed on axis body (5) surface, inside holding tank (8) that are equipped with of axle housing (1), axis body (5) surface is equipped with inside boss (13) of intussuseption holding tank (8).

2. A breakage resistant seat belt spindle in accordance with claim 1, wherein: the right side of the shaft housing (1) is provided with a ratchet wheel (2), and the ratchet wheel (2) and the shaft housing (1) are integrally formed.

3. A breakage resistant seat belt spindle in accordance with claim 1, wherein: the surface of the shaft body (5) is provided with a mounting groove (11), and the clamping strip (7) is arranged in the mounting groove (11).

4. A breakage resistant seat belt spindle in accordance with claim 1, wherein: the braid (14) is coated on the surface of the anti-falling rod (15), and a connecting ring (16) is fixedly connected to the surface of the braid (14).

5. A breakage resistant seat belt spindle in accordance with claim 1, wherein: the surface of the shaft housing (1) is provided with a plurality of groups of weight reducing grooves (3).

6. A breakage resistant seat belt spindle in accordance with claim 1, wherein: the surface of the shaft body (5) is provided with an outlet hole (6), and the braid (14) extends out of the outlet hole (6).