CN215621869U - Automobile safety belt pretensioner end piece and automobile safety belt pretensioner - Google Patents

Abstract

The utility model discloses an automobile safety belt pretensioner end piece and an automobile safety belt pretensioner, which comprise a pretensioner, wherein a winding roller is arranged in the pretensioner, a binding belt is arranged at the top of the pretensioner, an end piece is fixedly arranged at the top of the binding belt, a safety belt is fixedly arranged at the top of the end piece, and an installation plate is fixedly arranged on the front surface of the end piece. According to the utility model, the pretensioner is arranged for mounting the winding roller, the winding roller is arranged for winding the binding belt, the end pieces are connected through the matching between the binding belt and the positioning pins, the safety belt is mounted through the end pieces, and the tightness of the binding belt is adjusted, so that the safety belt is prevented from extruding personnel to injure the personnel, and meanwhile, the problems that the safety belt can be automatically contracted when an accident happens, the personnel are prevented from inertial impact, and the personnel are injured due to tightening in the automatic tightening process are solved.

Description

Automobile safety belt pretensioner end piece and automobile safety belt pretensioner

Technical Field

The utility model relates to the technical field of automobile safety belts, in particular to an end piece of an automobile safety belt pretensioner and the automobile safety belt pretensioner.

Background

The car seat belt is a safety device for restraining a passenger in a collision, avoiding a secondary collision between the passenger and a steering wheel, an instrument panel and the like in the collision, and rushing out of the vehicle to cause a death injury in the collision.

The automobile safety belt is a device for protecting personnel, can automatically contract when an accident occurs, avoids the occurrence of inertia impact of personnel, and is tightened in the automatic tightening process, so that the personnel are injured and the use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automobile safety belt pretensioner end plate and an automobile safety belt pretensioner, which have the advantages of preventing the automobile safety belt from being tightened and hurting people, and solve the problems that the automobile safety belt can be automatically contracted when an accident happens, the people are prevented from being impacted by inertia, and the people are injured due to tightening in the automatic tightening process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a car blet preloader end piece and car blet preloader, includes the preloader, the inside of preloader is provided with the wind-up roll, the top of preloader is provided with ties the area, the top fixed mounting who ties the area has the end piece, the top fixed mounting of end piece has the safety belt, the positive fixed mounting of end piece has the mounting panel, the inside threaded connection of mounting panel has the ejector pin, the positive fixed mounting who ties the area has the locating pin.

Preferably, a bayonet is formed in the end piece, the positioning pin penetrates through the binding band through the bayonet, and the bottom of the ejector rod is in contact with the top of the positioning pin.

Preferably, a mounting round rod is inserted into the winding roller, two sides of the mounting round rod are fixedly connected with the pretensioner, and the binding belt penetrates into the pretensioner and is wound on the surface of the winding roller.

Preferably, the surface cover of installation round bar is equipped with the second spring, the left side and the wind-up roll of second spring are fixed, the right side and the installation round bar of second spring are fixed.

Preferably, two mounting cavities are formed in the pretensioner and located on two sides of the winding roller, a clamping ball is connected to the inside of each mounting cavity in a sliding mode, and a first spring is arranged on one side, away from the winding roller, of the clamping ball.

Preferably, the top and the bottom of the installation cavity in the pretensioner are both provided with sliding grooves, sliding blocks are connected inside the sliding grooves in a sliding mode, and one side, close to the sliding blocks, of the sliding blocks is fixedly connected with the clamping balls.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the pretensioner is arranged for mounting the winding roller, the winding roller is arranged for winding the binding belt, the end pieces are connected through the matching between the binding belt and the positioning pins, the safety belt is mounted through the end pieces, and the tightness of the binding belt is adjusted, so that the safety belt is prevented from extruding personnel to injure the personnel, and meanwhile, the problems that the safety belt can be automatically contracted when an accident happens, the personnel are prevented from inertial impact, and the personnel are injured due to tightening in the automatic tightening process are solved.

2. According to the utility model, the connecting between the binding belt and the end piece is realized by arranging the bayonet for installing the positioning pin, the positioning pin is extruded by arranging the ejector rod for increasing the stability between the positioning pin and the end piece, the winding roller is installed by arranging the installation round rod, the rotation of the winding roller is realized by arranging the second spring for winding the binding belt, the clamping ball is installed by arranging the installation cavity, the fixing of the winding roller relative to the pretensioner is realized by arranging the clamping ball, and the fixing of the clamping ball is realized by matching between the sliding chute and the sliding block.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a pretensioner according to the present invention;

FIG. 3 is a schematic cross-sectional structure view of a wind-up roll according to the present invention.

In the figure: 1. a pretensioner; 2. a binding band; 3. an end piece; 4. a bayonet; 5. a top rod; 6. positioning pins; 7. a seat belt; 8. mounting a plate; 9. a mounting cavity; 10. a first spring; 11. a second spring; 12. a chute; 13. blocking the ball; 14. a slider; 15. a wind-up roll; 16. and (5) installing a round rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, an end plate of a pretensioner for a car seat belt and a pretensioner for a car seat belt, includes a pretensioner 1, a wind-up roll 15 is disposed inside the pretensioner 1, a binding band 2 is disposed on the top of the pretensioner 1, an end plate 3 is fixedly mounted on the top of the binding band 2, a seat belt 7 is fixedly mounted on the top of the end plate 3, a mounting plate 8 is fixedly mounted on the front of the end plate 3, a push rod 5 is connected to the internal thread of the mounting plate 8, a positioning pin 6 is fixedly mounted on the front of the binding band 2, the pretensioner 1 is used for mounting the wind-up roll 15, the wind-up roll 15 is used for winding up the binding band 2, the end plate 3 is connected by the cooperation between the binding band 2 and the mounting plate 6, the end plate 3 is used for mounting the seat belt 7, the binding band 2 is loosened to adjust the seat belt 7, and prevent the seat belt 7 from being squeezed by a person to injure, the inside of the end plate 3 is provided with a bayonet 4, the positioning pin 6 penetrates through the binding belt 2 through the bayonet 4, the bottom of the ejector rod 5 is contacted with the top of the positioning pin 6, the positioning pin 6 is installed by arranging the bayonet 4, so that the binding belt 2 is connected with the end plate 3, the ejector rod 5 is used for extruding the positioning pin 6, so that the stability between the positioning pin 6 and the end plate 3 is increased, the inside of the winding roller 15 is provided with an installation round rod 16 in an inserting manner, two sides of the installation round rod 16 are fixedly connected with the pretensioner 1, the binding belt 2 penetrates into the inside of the pretensioner 1 and is wound on the surface of the winding roller 15, the installation round rod 16 is arranged for installing the winding roller 15, the surface of the installation round rod 16 is sleeved with a second spring 11, the left side of the second spring 11 is fixed with the winding roller 15, the right side of the second spring 11 is fixed with the installation round rod 16, and the second spring 11 is used for realizing the rotation of the winding roller 15, thereby realize carrying out the rolling to binding area 2, two installation cavity 9 have all been seted up to the inside of preloader 1 and the both sides that are located wind-up roll 15, the inside sliding connection of installation cavity 9 has calorie ball 13, the one side that wind-up roll 15 was kept away from to calorie ball 13 is provided with first spring 10, be used for installing calorie ball 13 through setting up installation cavity 9, be used for realizing fixing wind-up roll 15 for preloader 1 through setting up calorie ball 13, spout 12 has all been seted up to the inside of preloader 1 and the top and the bottom that are located installation cavity 9, the inside sliding connection of spout 12 has slider 14, slider 14 is close to one side and calorie ball 13 fixed connection relatively, realize fixing calorie ball 13 through the cooperation between spout 12 and the slider 14.

During the use, be used for installing locating pin 6 through setting up bayonet 4, thereby realize being connected between bundling belt 2 and the end piece 3, be used for extrudeing locating pin 6 through setting up ejector pin 5, thereby increase the stability between locating pin 6 and the end piece 3, be used for installing wind-up roll 15 through setting up installation round bar 16, be used for realizing the rotation of wind-up roll 15 through setting up second spring 11, thereby realize rolling bundling belt 2, be used for installing calorie ball 13 through setting up installation cavity 9, be used for realizing fixing wind-up roll 15 for preloader 1 through setting up calorie ball 13, realize fixing calorie ball 13 through the cooperation between spout 12 and the slider 14.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a car blet preloader end piece and car blet preloader, includes preloader (1), its characterized in that: the inside of preloader (1) is provided with wind-up roll (15), the top of preloader (1) is provided with binds area (2), the top fixed mounting who binds area (2) has end piece (3), the top fixed mounting of end piece (3) has safety belt (7), the front fixed mounting of end piece (3) has mounting panel (8), the internal thread connection of mounting panel (8) has ejector pin (5), the front fixed mounting who binds area (2) has locating pin (6).

2. The automotive seat belt pretensioner end piece and the automotive seat belt pretensioner according to claim 1, wherein: the inside of end piece (3) is seted up bayonet socket (4), binding area (2) is run through bayonet socket (4) in locating pin (6), the top contact of the bottom of ejector pin (5) and locating pin (6).

3. The automotive seat belt pretensioner end piece and the automotive seat belt pretensioner according to claim 1, wherein: an installation round rod (16) is inserted into the winding roller (15), two sides of the installation round rod (16) are fixedly connected with the pretensioner (1), and the binding belt (2) penetrates into the pretensioner (1) and is wound on the surface of the winding roller (15).

4. The automotive seat belt pretensioner end piece and the automotive seat belt pretensioner according to claim 3, wherein: the surface cover of installation pole (16) is equipped with second spring (11), the left side and wind-up roll (15) of second spring (11) are fixed, the right side and the installation pole (16) of second spring (11) are fixed.

5. The automotive seat belt pretensioner end piece and the automotive seat belt pretensioner according to claim 1, wherein: two mounting cavities (9) are formed in the interior of the pretensioner (1) and located on two sides of the winding roller (15), a clamping ball (13) is connected to the interior of each mounting cavity (9) in a sliding mode, and a first spring (10) is arranged on one side, away from the winding roller (15), of the clamping ball (13).

6. The automotive seat belt pretensioner end piece and the automotive seat belt pretensioner according to claim 1, wherein: the top and the bottom of the interior of the pretensioner (1) and located in the installation cavity (9) are both provided with sliding grooves (12), sliding blocks (14) are connected to the interior of the sliding grooves (12) in a sliding mode, and one side, close to each other, of each sliding block (14) is fixedly connected with a clamping ball (13).

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