Automobile safety belt guide ring

By introducing a combination structure of shock-absorbing bushing, main shock-absorbing ring, secondary shock-absorbing ring and shock-absorbing spring into the guide ring of the car seat belt, combined with ball bearings and friction strip design, the problems of severe wear of the guide ring and wearing discomfort are solved, realizing smooth guidance and multi-angle adjustment of the seat belt, and improving the cushioning performance and wearing comfort of the seat belt.

CN224104035UActive Publication Date: 2026-04-10NANJING HONGGUANG AUTO ACCESSORIES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING HONGGUANG AUTO ACCESSORIES CO LTD
Filing Date
2025-04-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing car seat belt guide rings suffer from severe wear, discomfort, and insufficient cushioning during use, making it difficult to adjust to different body shapes and sitting postures of drivers and passengers, thus affecting the normal use and protective effect of seat belts.

Method used

It adopts a combination structure of shock-absorbing bushing, main shock-absorbing ring, secondary shock-absorbing ring and shock-absorbing spring, combined with ball and friction strip design to achieve smooth guidance and multi-angle adjustment of the seat belt, and provides buffering and positioning functions through the cooperation of limit sleeve and spring.

Benefits of technology

It effectively cushions the tension of the seat belt, reduces component wear, improves wearing comfort and safety, and ensures that it can quickly and effectively protect the driver and passengers in an emergency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224104035U_ABST
    Figure CN224104035U_ABST
Patent Text Reader

Abstract

The utility model discloses an automobile safety belt guide ring which comprises a damping shaft sleeve, the damping shaft sleeve is sleeved with a main damping ring movably connected with the damping shaft sleeve, the lower end of the main damping ring is fixedly connected with an auxiliary damping ring, an open hole is formed in the auxiliary damping ring, and the side face of the open hole is fixedly connected with a rotating shaft. The damping shaft sleeve is provided with a first round corner, the main damping ring is internally provided with a second round corner, the lower end of the damping shaft sleeve is fixedly connected with symmetrical second limiting sleeves, the side face of the auxiliary damping ring is fixedly connected with symmetrical first limiting sleeves, and the rotating shaft is sleeved with a movably-connected guide sleeve. A rotating hole is formed in the damping shaft sleeve, and a rotating sleeve is movably connected into the rotating hole. By means of the structure, the tension of the safety belt is effectively buffered, friction resistance among parts is reduced, the guide ring moves more smoothly, self-abrasion is reduced, the service life of the guide ring is prolonged, wearing comfort is improved, and safety guarantee is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to guiding ring technical field, especially in a kind of automobile safety belt guiding ring. BACKGROUND

[0002] Automobile safety belt guiding ring is the important component of guaranteeing the safety of driver and passenger, for guiding the trend of safety belt and limiting its movement range.However, the existing automobile safety belt guiding ring has many deficiencies in actual use process.

[0003] As the patent CN203485873U discloses a kind of automobile safety belt guiding ring, although it is realized to a certain extent the guiding function of safety belt, but in practical application, its guiding ring is still prone to wear after long-term friction with safety belt, not only reduce the service life of guiding ring itself, also can affect the normal use of safety belt, even possibly cause safety belt to jam due to wear and tear Problem;While the installation position of the guiding ring is relatively fixed, it is difficult to flexibly adjust according to the body shape, sitting posture of different driver and passenger, so that the wearing comfort of safety belt is poor, there is also the risk that protection cannot be effectively played in emergency;And its structural design also has the deficiency in the aspect of buffering performance, cannot better disperse safety belt tension, it is difficult to fully reduce the possibility of injury of driver and passenger. UTILITY MODEL CONTENT

[0004] The purpose of the utility model is to provide a kind of automobile safety belt guiding ring, effectively buffer safety belt tension, reduce the friction resistance between components, make guiding ring more smooth, reduce its own wear and tear, prolong the service life of guiding ring, improve wearing comfort, enhance safety guarantee.

[0005] In order to achieve the above purpose, provide a kind of automobile safety belt guiding ring, including shock-absorbing bush, shock-absorbing bush is equipped with the main shock-absorbing ring of movable connection on it, the lower end of main shock-absorbing ring is fixedly connected with auxiliary shock-absorbing ring, the opening is set up on auxiliary shock-absorbing ring, the side of opening is fixedly connected with rotating shaft.

[0006] According to the automobile safety belt guiding ring, the first round corner is set up on the shock-absorbing bush, the second round corner is set up in main shock-absorbing ring, and the first round corner is movably connected to the second round corner.

[0007] According to the automobile safety belt guiding ring, the lower end of shock-absorbing bush is fixedly connected with the second limiting sleeve of symmetry, the side of auxiliary shock-absorbing ring is fixedly connected with the first limiting sleeve of symmetry, and the shock-absorbing spring is movably connected in the first limiting sleeve and the second limiting sleeve.

[0008] According to the automobile safety belt guiding ring, the guide sleeve of movable connection is set on the rotating shaft, and a plurality of friction strips are fixedly connected on the guide sleeve.

[0009] According to the automobile safety belt guide ring, the second sliding grooves are symmetrically arranged on the rotating shaft, the first sliding grooves are symmetrically fixedly connected in the guide sleeve, and the first sliding grooves and the second sliding grooves movably connect the corresponding first rolling balls.

[0010] According to the automobile safety belt guide ring, the rotating hole is arranged in the damping shaft sleeve, the rotating sleeve is movably connected in the rotating hole, the limiting grooves are symmetrically arranged in the rotating hole, and the limiting rings are fixedly connected to the rotating sleeve.

[0011] According to the automobile safety belt guide ring, the third sliding grooves are arranged in the rotating hole, the fourth sliding grooves are arranged on the rotating sleeve, and the third sliding grooves and the fourth sliding grooves movably connect the second rolling balls.

[0012] Beneficial effects:

[0013] 1. The automobile safety belt guide ring can effectively buffer the safety belt tension through the cooperation of the damping shaft sleeve, the main damping ring, the auxiliary damping ring and the damping spring. The first fillet, the second fillet, the third sliding groove and the fourth sliding groove cooperate with the rolling balls, so that the friction resistance between the components is reduced, and the guide ring moves more smoothly. The friction strip on the guide sleeve enhances the guiding stability of the safety belt, and the rotating shaft is connected through the rolling balls, so that the self-wear is reduced. The overall structure not only improves the buffering performance and reduces the risk of injury of the driver and passenger, but also prolongs the service life of the guide ring.

[0014] 2. The active connection of the rotating sleeve and the damping shaft sleeve in the guide ring, and the flexible rotation of the guide sleeve on the rotating shaft make the guide ring adjustable at multiple angles. The first limiting sleeve and the second limiting sleeve cooperate with the damping spring to play a buffering and positioning role in the adjustment process. The safety belt direction can be adjusted according to the body shape and sitting posture of different drivers and passengers, and the wearing comfort is improved. In the event of an emergency, the safety belt can quickly and effectively play a protective role, and the safety protection is enhanced.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, and some will become apparent from the following description, or will be understood through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and examples.

[0017] Figure 1 A perspective view of an automobile safety belt guide ring is provided for the present application;

[0018] Figure 2 A half-plan view of an automobile safety belt guide ring is provided for the present application;

[0019] Figure 3 A cross-sectional view of the automobile safety belt guide ring is provided in the utility model.

[0020] Figure 4 A cross-sectional view of the automobile safety belt guide ring is provided in the utility model. Figure 3 An enlarged view of A in the middle.

[0021] Legend:

[0022] 1, damping shaft sleeve; 2, auxiliary damping ring; 3, opening; 4, rotating shaft; 5, guide sleeve; 6, friction strip; 7, rotating sleeve; 8, first fillet; 9, main damping ring; 10, first limiting sleeve; 11, damping spring; 12, first sliding groove; 13, second sliding groove; 14, first ball; 15, second limiting sleeve; 16, rotating hole; 17, third sliding groove; 18, fourth sliding groove; 19, second ball; 20, limiting groove; 21, limiting ring; 22, second fillet. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] With reference to Figures 1-4 , the utility model embodiment a kind of automobile safety belt guide ring, it includes damping shaft sleeve 1, damping shaft sleeve 1 is equipped with the main damping ring 9 of movable connection on, the lower end of main damping ring 9 is fixedly connected with auxiliary damping ring 2, opening 3 is set in auxiliary damping ring 2, the side of opening 3 is fixedly connected with rotating shaft 4.

[0025] Specifically: first fillet 8 is set in damping shaft sleeve 1, second fillet 22 is set in main damping ring 9, first fillet 8 is movably connected in second fillet 22, surface is treated by polishing, to reduce friction coefficient.

[0026] Specifically: the lower end of damping shaft sleeve 1 is fixedly connected with the second limiting sleeve 15 of symmetry, the side of auxiliary damping ring 2 is fixedly connected with the first limiting sleeve 10 of symmetry, damping spring 11 is movably connected in first limiting sleeve 10, second limiting sleeve 15, absorbs and buffers tension, plays a damping effect.

[0027] Specifically: rotating shaft 4 is equipped with the guide sleeve 5 of movable connection on, a plurality of friction strips 6 are fixedly connected on guide sleeve 5, enhance the guiding stability of safety belt, prevent safety belt from appearing deviation in guiding process.

[0028] Specifically: the shaft 4 is provided with symmetrical second sliding groove 13, the guide sleeve 5 is fixedly connected with symmetrical first sliding groove 12, the first sliding groove 12, the second sliding groove 13 are movably connected with corresponding first ball 14, so that the guide sleeve 5 can rotate more smoothly relative to the shaft 4, and the friction and abrasion between the two is reduced.

[0029] Specifically: the damping shaft sleeve 1 is provided with a rotating hole 16, the rotating hole 16 is movably connected with a rotating sleeve 7, the rotating hole 16 is provided with symmetrical limiting grooves 20, the rotating sleeve 7 is fixedly connected with symmetrical limiting rings 21, the axial movement of the rotating sleeve 7 in the rotating hole 16 is limited, and the rotating sleeve 7 can rotate freely around the axis.

[0030] Specifically: the rotating hole 16 is provided with a third sliding groove 17, the rotating sleeve 7 is provided with a fourth sliding groove 18, a plurality of second balls 19 are movably connected in the third sliding groove 17 and the fourth sliding groove 18, the frictional resistance between the rotating sleeve 7 and the damping shaft sleeve 1 is reduced, and the rotation of the rotating sleeve 7 is more flexible and stable.

[0031] Working principle:

[0032] The plurality of friction strips 6 fixedly connected on the guide sleeve 5 are made of rubber material with high friction coefficient, which increases the friction between the safety belt and the guide sleeve 5, ensures the movement of the safety belt along the preset direction, and realizes accurate guiding. The guide sleeve 5 is sleeved on the rotating shaft 4, and the guide sleeve 5 and the rotating shaft 4 are movably connected through the first sliding groove 12, the second sliding groove 13 and the first ball 14. When the safety belt pulls the guide sleeve 5, the first ball 14 rolls in the sliding groove, so that the guide sleeve 5 can rotate more smoothly relative to the rotating shaft 4, reduces the wear of the guide sleeve 5, and can better adapt to the change of the pulling force of the safety belt at different angles and directions. The pulling force is transmitted to the auxiliary damping ring 2 through the guide sleeve 5 and the rotating shaft 4. The auxiliary damping ring 2 is fixedly connected with the main damping ring 9, the main damping ring 9 is sleeved on the damping shaft sleeve 1, and the first round corner 8 on the damping shaft sleeve 1 is movably connected with the second round corner 22 in the main damping ring 9. When the pulling force is applied, the main damping ring 9 can rotate relative to the damping shaft sleeve 1 by a certain angle, and the round corner structure is matched to play a certain buffering and damping effect during rotation. The lower end of the damping shaft sleeve 1 is fixedly connected with symmetrical second limiting sleeves 15, the side surface of the auxiliary damping ring 2 is fixedly connected with symmetrical first limiting sleeves 10, and the first limiting sleeves 10 and the second limiting sleeves 15 movably connect the damping springs 11. The damping springs 11 are compressed by the transmission of the pulling force, and absorb and buffer the pulling force through the elastic deformation of the damping springs 11, reduce the impact of the pulling force of the safety belt on the body of the driver and passenger, have good damping effect, and protect the safety of the driver and passenger. The rotating hole 16 is provided with symmetrical limiting grooves 20, and the rotating sleeve 7 is fixedly connected with symmetrical limiting rings 21, which limits the axial movement of the rotating sleeve 7 in the rotating hole 16, and ensures that the rotating sleeve 7 can freely rotate around the axis. When adjustment is needed, the rotating sleeve 7 can be manually rotated, the rotating sleeve 7 drives the auxiliary damping ring 2, the main damping ring 9 and other components to rotate, so as to change the position and angle of the guide sleeve 5, realize flexible adjustment of the direction of the safety belt, and adapt to the needs of different drivers and passengers. Moreover, the third sliding groove 17 is arranged in the rotating hole 16, the fourth sliding groove 18 is arranged on the rotating sleeve 7, and a plurality of second balls 19 are movably arranged in the third sliding groove 17 and the fourth sliding groove 18. During the rotation of the rotating sleeve 7, the second balls 19 roll in the sliding grooves, which reduces the friction resistance between the rotating sleeve 7 and the damping shaft sleeve 1, and makes the rotation of the rotating sleeve 7 more flexible and stable.

[0033] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A car safety belt guide ring comprising a damping bushing (1), characterized in that: The damping bushing (1) is sleeved with a movable connection main damping ring (9), the lower end of the main damping ring (9) is fixedly connected with a secondary damping ring (2), the secondary damping ring (2) is provided with an opening (3), and the side of the opening (3) is fixedly connected with a rotating shaft (4).

2. A car seat belt guide ring according to claim 1, characterized in that The damping bushing (1) is provided with a first round corner (8), the main damping ring (9) is provided with a second round corner (22), and the first round corner (8) is movably connected to the second round corner (22).

3. The vehicle seat belt guide of claim 1, wherein: The lower end of the damping bushing (1) is fixedly connected with symmetrical second limiting sleeves (15), the side of the secondary damping ring (2) is fixedly connected with symmetrical first limiting sleeves (10), and the first limiting sleeve (10) and the second limiting sleeve (15) are movably connected with damping springs (11).

4. The vehicle seat belt guide of claim 1, wherein, The rotating shaft (4) is sleeved with a movable connection guide sleeve (5), and the guide sleeve (5) is fixedly connected with a plurality of friction strips (6).

5. A vehicle seat belt guide according to claim 4, wherein The rotating shaft (4) is provided with symmetrical second sliding grooves (13), the guide sleeve (5) is fixedly connected with symmetrical first sliding grooves (12), and the first sliding groove (12) and the second sliding groove (13) are movably connected with corresponding first balls (14).

6. The vehicle seat belt guide of claim 1, wherein, The damping bushing (1) is provided with a rotating hole (16), the rotating hole (16) is movably connected with a rotating sleeve (7), the rotating hole (16) is provided with symmetrical limiting grooves (20), and the rotating sleeve (7) is fixedly connected with symmetrical limiting rings (21).

7. A vehicle seat belt guide according to claim 6, wherein The rotating hole (16) is provided with a third sliding groove (17), the rotating sleeve (7) is provided with a fourth sliding groove (18), and the third sliding groove (17) and the fourth sliding groove (18) are movably connected with a plurality of second balls (19).

Citation Information

Patent Citations

  • Guide ring of automobile safety belt

    CN203485873U