CN210912341U

CN210912341U - Pipe fitting with combined function for safety belt pre-tightening device

Info

Publication number: CN210912341U
Application number: CN201921686024.1U
Authority: CN
Inventors: 张国红
Original assignee: Nanjing Huamai Auto Parts Manufacturing Co ltd
Current assignee: Nanjing Huamai Auto Parts Manufacturing Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-03
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a safety belt is pipe fitting for preloading device with combined function, including pipe fitting main part, spacing dish, first reset spring, second reset spring and third reset spring, spacing dish is all installed to the left and right sides of pipe fitting main part, and the fixed surface of pipe fitting main part has the locating piece to the last surface mounting of pipe fitting main part has first fixture block, the lower extreme of first fixture block is connected with first reset spring, and first reset spring is located the inside of pipe fitting main part, and the top of first fixture block is provided with the movable rod. This safety belt is pipe fitting for preloading device with combined function is provided with safety belt briquetting and second fixture block, and accessible second fixture block fixes the safety belt briquetting in the mounting groove when fixing the safety belt, can relieve the connection between safety belt briquetting and the mounting groove through the shrink of second fixture block simultaneously to make things convenient for the installation and the dismantlement of safety belt stiff end.

Description

Pipe fitting with combined function for safety belt pre-tightening device

Technical Field

The utility model relates to a safety belt technical field specifically is a pipe fitting for safety belt preloading device with combined function.

Background

The safety belt is the important safety device on the car, along with the development of modern technology, the pretension formula safety belt increases gradually, what is different from other safety belts is that increased the pretensioner on the pretension formula safety belt, pretensioner can the certain impact of perception when the collision, produce the action through gas generating agent etc. draw in the twinkling of an eye the device of safety belt, can prevent that the human body from leaning forward too greatly and causing the damage when the collision, generally cooperate the force limiter to use, carry out the rolling winding through the pipe fitting to the safety belt among the pretension device, but current pipe fitting for the safety belt pretension device still has some weak points when using:

1. the existing pipe fittings for the safety belt pre-tightening device are mostly designed in an integrated structure, and do not have the function of combination and disassembly, so that the limiting discs on two sides of the pipe fitting cannot be replaced to a certain extent, the limiting function of the safety belts with different thicknesses is inconvenient to provide, the adaptability of the device is poor, and the practicability of the device is reduced;

2. the pipe fitting for current safety belt preloading device is when carrying out fixed connection to the one end of safety belt, generally passes its surperficial opening with the safety belt earlier, then inserts the dead lever at the tip of safety belt, accomplishes the fixed to the safety belt, but this kind of mode installation is comparatively loaded down with trivial details, still takes place easily to block up when the safety belt penetrates in the opening, reduces its installation rate, and it is also comparatively inconvenient to its later stage dismantlement, has reduced the use convenience of device.

In order to solve the problems, innovative design is urgently needed on the basis of the original pipe fitting for the safety belt pre-tightening device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe fitting for safety belt preloading device with combined function to solve the current pipe fitting for safety belt preloading device on the existing market that above-mentioned background art provided and do not possess the split function of combination, and comparatively loaded down with trivial details problem when fixing and dismantling the safety belt.

In order to achieve the above object, the utility model provides a following technical scheme: a pipe fitting with combined functions for a safety belt pre-tightening device comprises a pipe fitting main body, a limiting disc, a first reset spring, a second reset spring and a third reset spring, wherein the limiting disc is installed on each of the left side and the right side of the pipe fitting main body, a positioning block is fixed on the surface of the pipe fitting main body, a first clamping block is installed on the upper surface of the pipe fitting main body, the lower end of the first clamping block is connected with the first reset spring, the first reset spring is located inside the pipe fitting main body, a movable rod is arranged above the first clamping block and located inside the limiting disc, the surface of the movable rod is provided with the second reset spring, a safety belt pressing block is arranged on the upper surface of the pipe fitting main body, a rotating shaft is arranged in the middle of the safety belt pressing block, a connecting wire is connected to the surface of the rotating shaft and located inside the safety belt pressing block, and the, and a third return spring is arranged on the inner side of the second clamping block.

Preferably, the upper surface of pipe fitting main part has seted up the mounting groove, and has seted up first spacing groove on the inner wall of mounting groove to the lateral wall of mounting groove is the design of slope column structure.

Preferably, the inner wall of the limiting disc is provided with a connecting groove, a second limiting groove is arranged above the connecting groove, and the connecting groove and the positioning block are in sliding connection.

Preferably, a clamping structure is formed between the first clamping block and the second limiting groove, a telescopic structure is formed between the first clamping block and the pipe fitting main body through the first return spring, and the outer side of the first clamping block and the lower side surface of the second clamping block are both designed to be of an inclined structure.

Preferably, the lower end of the movable rod is provided with a pressing plate, the surface of the movable rod is provided with a fixed disc, and the movable rod forms a telescopic structure with the limiting disc through the fixed disc and a second return spring.

Compared with the prior art, the beneficial effects of the utility model are that: the pipe fitting for the safety belt pre-tightening device with the combined function;

(1) the pipe fitting is provided with the positioning block, the first clamping block and the pressing plate, the limiting disc can be arranged on the surface of the pipe fitting main body through the positioning block, then the position of the limiting disc is fixed through the first clamping block, connection between the limiting disc and the pipe fitting main body is completed, when disassembly is needed, the first clamping block is extruded through the pressing plate to remove the fixation of the position of the limiting disc, the limiting disc can be taken down, the replacement of the limiting disc is facilitated, the device has a certain combination function, and the practicability of the device is improved;

(2) be provided with safety belt briquetting and second fixture block, accessible second fixture block fixes the safety belt briquetting in the mounting groove when fixing the safety belt, and the shrink through the second fixture block can remove the connection between safety belt briquetting and the mounting groove simultaneously to make things convenient for the installation and the dismantlement of safety belt stiff end, improve the use convenience of device.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is a schematic side sectional view of the limiting plate of the present invention;

fig. 5 is the side-cut structure schematic diagram of the pipe fitting body of the present invention.

In the figure: 1. a tube body; 101. mounting grooves; 102. a first limit groove; 2. a limiting disc; 201. connecting grooves; 202. a second limit groove; 3. positioning blocks; 4. a first clamping block; 5. a first return spring; 6. a movable rod; 601. pressing a plate; 602. fixing the disc; 7. a second return spring; 8. a safety belt pressing block; 9. a rotating shaft; 10. a connecting wire; 11. a second fixture block; 12. and a third return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a pipe fitting with combined functions for a safety belt pre-tightening device comprises a pipe fitting main body 1, a limiting disc 2, a positioning block 3, a first clamping block 4, a first reset spring 5, a movable rod 6, a second reset spring 7, a safety belt pressing block 8, a rotating shaft 9, a connecting wire 10, a second clamping block 11 and a third reset spring 12, wherein the limiting disc 2 is installed on the left side and the right side of the pipe fitting main body 1, the positioning block 3 is fixed on the surface of the pipe fitting main body 1, the first clamping block 4 is installed on the upper surface of the pipe fitting main body 1, the first reset spring 5 is connected to the lower end of the first clamping block 4, the first reset spring 5 is located inside the pipe fitting main body 1, the movable rod 6 is arranged above the first clamping block 4, the movable rod 6 is located inside the limiting disc 2, the second reset spring 7 is arranged on the surface of the movable rod 6, the safety belt pressing block 8 is arranged, a rotating shaft 9 is arranged in the middle of the safety belt pressing block 8, a connecting wire 10 is connected to the surface of the rotating shaft 9, the connecting wire 10 is located inside the safety belt pressing block 8, a second clamping block 11 is connected to the outer side of the connecting wire 10, and a third return spring 12 is arranged on the inner side of the second clamping block 11;

the upper surface of the pipe fitting main body 1 is provided with a mounting groove 101, the inner wall of the mounting groove 101 is provided with a first limiting groove 102, and the side wall of the mounting groove 101 is in an inclined structural design, so that the safety belt can be fixed through the matching between the mounting groove 101 and the safety belt pressing block 8, and the safety belt is convenient to mount;

the inner wall of the limiting disc 2 is provided with a connecting groove 201, a second limiting groove 202 is arranged above the connecting groove 201, the connecting groove 201 and the positioning block 3 form sliding connection, and the positions of the first fixture block 4 and the second limiting groove 202 can be aligned through the matching between the connecting groove 201 and the positioning block 3 by the structural design, so that the limiting disc 2 can be conveniently installed and fixed;

a clamping structure is formed between the first clamping block 4 and the second limiting groove 202, a telescopic structure is formed between the first clamping block 4 and the pipe fitting main body 1 through the first return spring 5, the outer side of the first clamping block 4 and the lower side surface of the second clamping block 11 are both in inclined structural design, the position of the limiting disc 2 can be fixed through clamping between the first clamping block 4 and the second limiting groove 202, and meanwhile, the first clamping block 4 can automatically retract downwards when being extruded when the limiting disc 2 is installed, so that the limiting disc 2 is convenient to install;

the pressing plate 601 is installed to the lower extreme of movable rod 6, and the surface of movable rod 6 is provided with fixed disk 602 to movable rod 6 constitutes extending structure through fixed disk 602 and between second reset spring 7 and the spacing dish 2, and above-mentioned structural design accessible pressing plate 601 extrudes first fixture block 4, thereby releases the inside of second spacing groove 202 with first fixture block 4, conveniently dismantles the change to spacing dish 2.

The working principle is as follows: when the pipe fitting for the safety belt pre-tightening device with the combined function is used, firstly, as shown in fig. 1 and fig. 2, when the limiting disc 2 needs to be replaced, the movable rod 6 can be pressed, the movable rod 6 presses the second return spring 7 through the fixed disc 602, and simultaneously drives the pressing plate 601 to move downwards, so that the pressing plate 601 pushes the first fixture block 4 to move, the clamping between the first fixture block and the second limiting groove 202 is released, then the limiting disc 2 can be pulled outwards to be taken down, the connecting groove 201 on the surface of the new limiting disc 2 and the positioning block 3 are opposite to each other, and then the new limiting disc 2 and the positioning block 3 are embedded on the outer surface of the pipe fitting main body 1, the positioning block 3 slides along the connecting groove 201, the limiting disc 2 simultaneously extrudes the first fixture block 4, when the first fixture block 4 is positioned right below the second limiting groove 202, the first fixture block 4 moves upwards under the action of the first return spring 5 to be clamped with the second limiting groove 202, the replacement and installation of the limiting disc 2 are completed;

when it is desired to fix one end of the safety belt, the rotating shaft 9 is rotated, as shown in fig. 1 and 3, so that the rotating shaft 9 winds up the connecting wire 10 on its surface, thereby pulling the second latch 11 to contract, releasing the engagement between the second latch and the first limit groove 102, the belt block 8 can then be removed from the mounting groove 101, as shown in connection with fig. 5, the belt is positioned in the mounting groove 101, then the safety belt pressing block 8 is installed again to the original position, the position of the safety belt pressing block 8 can be fixed by the clamping between the second clamping block 11 and the first limiting groove 102, the friction between the safety belt pressing block 8 and the safety belt can be increased by the safety belt pressing block 8 and the installation groove 101 which are designed to be in the side-inclined structure, thereby provide more stable fixed effect to the safety belt, it is comparatively convenient to dismantle the safety belt in the later stage simultaneously, has improved the use convenience and the practicality of device.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a safety belt is pipe fitting for preloading device with combined function, includes pipe fitting main part (1), spacing dish (2), first reset spring (5), second reset spring (7) and third reset spring (12), its characterized in that: the safety pipe fitting comprises a pipe fitting main body (1), wherein limiting discs (2) are mounted on the left side and the right side of the pipe fitting main body (1), positioning blocks (3) are fixed on the surface of the pipe fitting main body (1), a first clamping block (4) is mounted on the upper surface of the pipe fitting main body (1), a first reset spring (5) is connected to the lower end of the first clamping block (4), the first reset spring (5) is located inside the pipe fitting main body (1), a movable rod (6) is arranged above the first clamping block (4), the movable rod (6) is located inside the limiting discs (2), a second reset spring (7) is arranged on the surface of the movable rod (6), a safety belt pressing block (8) is arranged on the upper surface of the pipe fitting main body (1), a rotating shaft (9) is arranged in the middle of the safety belt pressing block (8), a connecting wire (10) is connected to the surface of the rotating shaft (9), and the, and the outer side of the connecting line (10) is connected with a second clamping block (11), and the inner side of the second clamping block (11) is provided with a third return spring (12).

2. The pipe fitting for a seatbelt pretensioner having a combined function according to claim 1, wherein: mounting groove (101) have been seted up to the upper surface of pipe fitting main part (1), and seted up first spacing groove (102) on the inner wall of mounting groove (101) to the lateral wall of mounting groove (101) is the design of slope column structure.

3. The pipe fitting for a seatbelt pretensioner having a combined function according to claim 1, wherein: the inner wall of the limiting disc (2) is provided with a connecting groove (201), a second limiting groove (202) is arranged above the connecting groove (201), and the connecting groove (201) and the positioning block (3) are connected in a sliding mode.

4. The pipe fitting for a seatbelt pretensioner having a combined function according to claim 3, wherein: constitute the block structure between first fixture block (4) and second spacing groove (202), and constitute extending structure between first fixture block (4) and pipe fitting main part (1) through first reset spring (5) to the outside of first fixture block (4) and the downside surface of second fixture block (11) are the slope form structural design.

5. The pipe fitting for a seatbelt pretensioner having a combined function according to claim 1, wherein: the lower end of the movable rod (6) is provided with a pressing plate (601), the surface of the movable rod (6) is provided with a fixed disc (602), and the movable rod (6) forms a telescopic structure with the limiting disc (2) through the fixed disc (602) and a second reset spring (7).