CN112298096A

CN112298096A - Mounting structure of automobile safety belt

Info

Publication number: CN112298096A
Application number: CN202011228639.7A
Authority: CN
Inventors: 许露瑶; 廖勇; 陈祖兴; 陈方根; 蓝景玉
Original assignee: Dongfeng Liuzhou Motor Co Ltd
Current assignee: Dongfeng Liuzhou Motor Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-02-02

Abstract

The invention relates to the technical field of automobile manufacturing, and discloses an installation structure of an automobile safety belt, which comprises a back plate, a retractor, a belt head and a woven belt, wherein the retractor is installed at the lower part of the inner side of the back plate, the belt head is installed at the upper part of the inner side of the back plate, one end of the woven belt penetrates through the belt head to be connected with the retractor, and the other end of the woven belt is provided with a lock tongue. The mounting structure of the automobile safety belt can reduce the cost of the whole automobile and overcome the problem of insufficient rear emptying room.

Description

Mounting structure of automobile safety belt

Technical Field

The invention relates to the technical field of automobile manufacturing, in particular to an installation structure of an automobile safety belt.

Background

MPVs (multi-Purpose Vehicles), which are developed from touring cars, integrate the space of wide passengers of the touring cars, the comfort of the cars and the functions of vans, are generally of two-compartment structures, and can be used for 7-8 people. At present, the three-point type safety belt in the middle of the rear row of the multipurpose automobile is mainly arranged on a top cover beam and a seat. The frame construction of crossbeam panel beating and seat needs be reinforceed to satisfy the installation requirement of safety belt, consequently the weight of crossbeam panel beating and back row seat can increase, makes whole car cost increase. Meanwhile, the safety belt is arranged on the top cover beam and the seat, and can occupy the space in the vehicle, so that the space between the head of a passenger and the roof is insufficient, and the customer experience is poor.

Disclosure of Invention

The purpose of the invention is: the mounting structure of the automobile safety belt is provided, the cost of the whole automobile can be reduced, and the problem of insufficient rear emptying room is solved.

In order to achieve the purpose, the invention provides an installation structure of an automobile safety belt, which comprises a rear back plate, a retractor, a belt head and a mesh belt, wherein the retractor is installed at the lower part of the inner side of the rear back plate, the belt head is installed at the upper part of the inner side of the rear back plate, one end of the mesh belt penetrates through the belt head to be connected with the retractor, and the other end of the mesh belt is provided with a lock tongue.

Alternatively, if the width of the back plate is defined as a and the shortest distance between the retractor and the side edge of the back plate is defined as b, b is 1/4a to 1/3 a.

Optionally, the retractor further comprises a bracket, wherein a first end of the bracket is screwed on the rear back plate, and a second end of the bracket is screwed with the retractor.

Optionally, a first end of the bracket is provided with a limiting part, and a limiting hole for a bolt to pass through is formed in the limiting part;

the second end of the support is in threaded connection with the upper portion of the retractor, and a threaded through hole is formed in the second end of the support.

Optionally, a first opening through which the webbing passes is formed in the retractor, and a second opening through which the webbing passes is formed in a position of the bracket corresponding to the first opening.

Optionally, the retractor further comprises a mounting piece, a first end of the mounting piece is screwed on the outer side of the retractor, and a second end of the mounting piece is welded on the back plate.

Optionally, both sides of the second end of the mounting piece are provided with flanges, and the flanges extend towards one side of the retractor.

Optionally, a blind window is arranged on the rear back plate;

the mounting structure of the automobile safety belt further comprises a first reinforcing piece, and two ends of the first reinforcing piece are connected to the upper side and the lower side of the blind window respectively.

Optionally, a line connecting the retractor and the belt head coincides with the central axis of the first reinforcement.

Optionally, the back plate comprises an exposed window and a sheet metal part, and the exposed window is arranged at the upper part of the sheet metal part;

the mounting structure of the automobile safety belt further comprises a vertically arranged second reinforcing part, the upper end of the second reinforcing part is located on the bottom side of the exposed window and connected to the sheet metal part, and the lower end of the second reinforcing part is connected to the lower side of the sheet metal part.

Compared with the prior art, the mounting structure of the automobile safety belt has the beneficial effects that: the retractor and the belt head are both arranged on the inner side of the back plate, and the woven belt respectively penetrates through the retractor and the belt head, so that the whole safety belt is arranged on the back plate door, the installation position of the safety belt is changed, and the space between the head of a passenger and the roof of a vehicle is enlarged. The safety belt is fixed by the back door, so that the available space in the vehicle body is saved. The safety belt no longer need be fixed on crossbeam panel beating and seat, can not increase the dead weight of crossbeam panel beating and seat, also need not to strengthen the structural strength of crossbeam panel beating and seat, can reduce whole car cost.

Drawings

Fig. 1 is a schematic structural view of a mounting structure of a seat belt for a vehicle according to a first embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic structural view of a retractor, a belt head, a webbing and a back plate according to a first embodiment of the present invention;

fig. 4 is a schematic view illustrating the connection of the retractor, the belt head and the webbing according to the first embodiment of the present invention;

fig. 5 is a perspective view of a retractor, a bracket and a mounting plate according to a first embodiment of the present invention;

fig. 6 is a front view of a retractor, a bracket and a mounting plate according to a first embodiment of the present invention;

fig. 7 is a side view of a retractor, a bracket and a mounting plate according to a first embodiment of the present invention;

FIG. 8 is a perspective view of a bracket according to a first embodiment of the invention;

FIG. 9 is a perspective view of a mounting plate according to a first embodiment of the present invention;

fig. 10 is a schematic view of a connection structure of a rear back plate and a first reinforcing member according to a first embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a rear back plate according to a first embodiment of the present invention;

FIG. 12 is a perspective view of a tape head according to a first embodiment of the present invention;

fig. 13 is a schematic view of a connection structure of the rear back plate and the second reinforcing member according to the second embodiment of the present invention.

In the figure, 1, a retractor; 2. a tape head; 3. weaving a belt; 4. a back panel; 41. opening a window; 42. a sheet metal part; 5. lightening holes; 6. reinforcing ribs; 7. an installation part; 8. a support; 81. a first connection portion; 82. a second connecting portion; 83. a third connecting portion; 9. a limiting part; 10. a limiting hole; 11. a threaded through hole; 12. a second opening; 13. mounting a sheet; 14. flanging; 15. blind windows; 16. a first reinforcement; 17. a second reinforcement; 18. positioning holes; 19. and a lock tongue.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms used in the present invention are used in the description of the present invention, and it should be understood that the directions or positional relationships indicated by the terms "center", "lateral", "upper", "lower", "vertical", "top", "bottom", "inner", "outer", etc. used in the present invention are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that "up" and "down" in the present invention refer to directions relative to the vehicle, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of the vehicle.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 to 12, a mounting structure of a vehicle seat belt according to a preferred embodiment of the present invention includes a back plate 4, a retractor 1, a belt head 2 and a webbing 3, wherein the retractor 1 is mounted at a lower portion of an inner side of the back plate 4, the belt head 2 is mounted at an upper portion of the inner side of the back plate 4, one end of the webbing 3 passes through the belt head 2 to be connected with the retractor 1, and as shown in fig. 3, the other end of the webbing 3 is provided with a locking tongue 19 for being matched with a buckle.

The back plate 4 in this embodiment includes a back door inner plate and a back door outer plate, and the retractor 1 and the tape head 2 are both connected to the inner side of the back door inner plate. The inner plate of the back door is made of sheet metal parts, and a plurality of reinforcing ribs 6 are arranged on the sheet metal parts. The coiler 1 is installed in the region between the reinforcing ribs 6 and is fixedly connected with a sheet metal part of the inner plate of the back door through bolts. The retractor 1 comprises a shell and a winding wheel arranged in the shell, and the mesh belt 3 is wound on the winding wheel. The housing is provided with a first opening (not shown) through which the webbing 3 passes, and the webbing 3 passes through the first opening. The worker pulls the webbing belt 3 upward so that the webbing belt 3 is fixed to the head 2. The belt head 2 is arranged on the frame of the back plate 4 at the back of the seat and is fixedly connected with the sheet metal part 42 through bolts. As shown in fig. 12, the head 2 is provided with a mounting portion 7 through which a bolt passes.

Based on above-mentioned technical scheme, through installing coiler 1 in the inboard lower part of backplate 4, install the inboard upper portion at backplate 4 with take head 2, specifically be on the door frame, the winding of meshbelt 3 is on coiler 1 and take head 2, make the car blet installed on the back door, the mounted position of safety belt has been changed, the structural strength of seat skeleton and crossbeam panel beating no longer need be reinforceed, no longer consider the problem of arranging of reinforceing seat skeleton and coiler 1, the weight of seat and crossbeam has been reduced, the design development cycle of seat has been shortened, the whole car cost has been reduced. Meanwhile, the belt head 2 is arranged on the back plate 4, the space above the head of a passenger is not occupied, the problem that the back emptying room is not enough is solved, and the comfort level of the passenger is improved.

The retractor 1 is provided in the middle of the rear back plate 4 in consideration of the problem that a rear passenger may be caught around the neck by a seat belt. As shown in fig. 1, when the width of the back plate 4 is defined as "a" and the shortest distance between the retractor 1 and the side edge of the back plate 4 is defined as "b", b is 1/4a to 1/3 a. The belt head 2 and the retractor 1 are not on the same vertical line, and the mesh belt 3 is arranged on the upper portion of the side edge of the back door. When in use, the passenger pulls the mesh belt 3 out, and the mesh belt 3 can naturally fall on the shoulder position of the passenger in the back row, thereby being convenient for taking and using. When the back door is folded, the mesh belt 3 is buckled on the frame of the back door, and is neat and beautiful. If b < 1/4a, the webbing 3 is easily caught at the position of the passenger's face after the seat belt is fastened, causing discomfort. If b is greater than 1/3a, the lateral distance between the retractor 1 and the webbing 3 becomes too large, and the seatbelt is difficult to protect.

Specifically, lightening holes 5 are formed among the reinforcing ribs 6, a plurality of lightening holes 5 are formed in the sheet metal part, and the retractor 1 is installed in the lightening holes 5 to save space in a vehicle. As shown in fig. 2, the mounting structure of the automobile safety belt further includes a bracket 8, a first end of the bracket 8 is screwed to the reinforcing rib 6 on the back plate 4, and a second end of the bracket 8 is screwed to the retractor 1. The retractor 1 is mounted in a lightening hole 5 of the back plate 4 by a bracket 8. As shown in fig. 5, 7 and 8, the bracket 8 includes a first connection portion 81, a second connection portion 82 and a third connection portion 83 connected in sequence, the first connection portion 81 and the second connection portion 82 are perpendicular to each other, the second connection portion 82 and the third connection portion 83 are perpendicular to each other, and the first connection portion 81 and the second connection portion 82 are arranged in parallel. The first end of the bracket 8 is located at one end of the first connecting portion 81 away from the second connecting portion 82, and the second end of the bracket 8 is located at one end of the third connecting portion 83 away from the second connecting portion 82. A space for avoiding the retractor 1 is formed between the second connecting portion 82 and the third connecting portion 83. The first end of support 8 is equipped with spacing portion 9, is equipped with the spacing hole 10 that supplies the bolt to pass through on the spacing portion 9, and the staff realizes with support 8 spiro union on the back door through inserting the bolt in spacing hole 10. The stopper 9 is cylindrical. The second end of the bracket 8 is screwed on the upper part of the retractor 1, and the second end of the bracket 8 is provided with a threaded through hole 11. The number of the threaded through holes 11 is two, and both are provided on the third connecting portion 83. The lower portion of the bracket 8 is screwed to the retractor 1 by inserting a bolt into the threaded through hole 11. As described above, the retractor 1 is provided with the first opening through which the webbing 3 passes, and the first opening is provided in the housing. The position of the bracket 8 corresponding to the first opening, that is, the second connecting portion 82 is provided with the second opening 12 through which the webbing belt 3 passes. One end of the mesh belt 3 is wound on the winding wheel, and then sequentially extends out of the first opening and the second opening 12 and is arranged on the belt head 2 in a penetrating way. The upper part of the retractor 1 is fixed on the backboard 4 through a bracket 8, and the retractor 1 is tightly connected with the backboard 4.

More specifically, the mounting structure of the automobile seatbelt further includes a mounting piece 13 by which the lower portion of the retractor 1 is fixed to the reinforcing rib 6 of the back plate 4. As shown in fig. 9, the first end portion of the mounting piece 13 is provided with a positioning hole 18, and is screwed to the outer side of the retractor 1 through the positioning hole 18 by a bolt. The mounting piece 13 is stepped to escape from the lower portion of the retractor 1. The second end of the mounting piece 13 is close to the end face of one side of the back door and is a welding surface, and the mounting piece 13 is welded on the back plate 4. Both sides of the second end portion of the mounting piece 13 are provided with flanges 14, and the flanges 14 extend towards one side of the retractor 1, so that the structural strength of the mounting piece 13 can be enhanced.

In addition, the backboard 4 in this embodiment is provided with a blind window 15. During use of the automobile safety belt, the backboard 4 can bear large acting force. To reinforce the structural strength of the rear back panel 4, as shown in fig. 10, the mounting structure of the seat belt for the automobile further includes a first reinforcement 16. The first reinforcement member 16 is provided as a reinforcing structure on the inner side of the back panel 4. Since the blind window 15 is provided on the rear back panel 4, the aesthetic appearance does not need to be considered, and both ends of the first reinforcement 16 are respectively connected to the upper and lower sides of the blind window 15. The first reinforcing member 16 in this embodiment is a tubular structure, which is inexpensive to manufacture. The line between the retractor 1 and the belt head 2 coincides with the central axis of the first reinforcing part 16, so that the axis of the first reinforcing part 16 is parallel to the stress direction of the back plate 4, and the structural strength of the back plate 4 can be further enhanced. The first reinforcing member 16 and the tape head 2 in this embodiment are connected by screwing.

Example two

The difference between this embodiment and the first embodiment is: as shown in fig. 13, the backboard 4 includes an exposed window 41 and a sheet metal member 42, and the exposed window 41 is provided on an upper portion of the sheet metal member 42. The mounting structure of the automobile seatbelt does not include the first reinforcement 16 but includes the second reinforcement 17 disposed vertically. The second reinforcement 17 is a stamped part provided with ribs and ribs for reinforcing the structural strength of the second reinforcement 17 itself. The second reinforcement 17 is welded to the inside of the back plate 4. Because the rear back plate 4 is provided with the exposed window 41, in order to improve the aesthetic measure of the whole vehicle and not obstruct the sight of passengers or drivers, the upper end of the second reinforcing member 17 is positioned at the bottom side of the exposed window 41 and connected to the sheet metal part 42, and the lower end of the second reinforcing member 17 is connected to the lower side of the sheet metal part 42. The second stiffener 17 is provided at 1/3 from the edge of the back panel 4, as close as possible to the retractor 1, and near the point of stress on the back panel 4, to improve the structural strength of the back panel 4 as much as possible.

Except for the above differences, other parts of this embodiment are the same as those of the first embodiment, and the corresponding effects and principles are also the same, which are not described herein again.

The working process of the invention is as follows: the retractor 1 is arranged in the area between the reinforcing ribs 6 of the back plate 4 and is fixedly connected with the sheet metal part 42 on the inner plate of the back door through bolts. The retractor 1 is internally provided with a winding wheel, the winding wheel is wound with a mesh belt 3, and the mesh belt 3 is connected to a belt head 2. The belt head 2 is arranged on the frame of the back door and is fixedly connected with the sheet metal part 42 on the inner plate of the back door through a bolt. The mesh belt 3 is slightly higher than the seat, when in use, the mesh belt 3 is pulled out forwards, and the mesh belt 3 falls on the shoulder position of a passenger in the back row, so that the taking is convenient. When the back door is folded, the bolt 19 on the mesh belt 3 is neat and beautiful on the back door frame.

To sum up, the embodiment of the invention provides an installation structure of an automobile safety belt, wherein a retractor and a belt head are both installed on the inner side of a back plate, and a braid respectively penetrates through the retractor and the belt head, so that the whole safety belt is installed on a back door, the installation position of the safety belt is changed, and the space between the head of a passenger and a roof is increased. The safety belt is fixed by the back door, so that the available space in the vehicle body is saved. The safety belt no longer need be fixed on crossbeam panel beating and seat, can not increase the dead weight of crossbeam panel beating and seat, also need not to strengthen the structural strength of crossbeam panel beating and seat, can reduce whole car cost.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mounting structure of car blet, its characterized in that, includes backplate, coiler, tape head and meshbelt, the coiler is installed the inboard lower part of backplate, the tape head is installed the inboard upper portion of backplate, the one end of meshbelt is passed the tape head with the coiler is connected, the other end of meshbelt is equipped with the spring bolt.

2. The car seat belt mounting structure according to claim 1, wherein b is 1/4a to 1/3a when a width of the back plate is defined as a and a shortest distance between the retractor and a side edge of the back plate is defined as b.

3. The mounting structure of a seatbelt for a vehicle according to claim 1, further comprising a bracket, a first end portion of which is screw-coupled to the rear back plate, and a second end portion of which is screw-coupled to the retractor.

4. The car seat belt mounting structure according to claim 3, wherein the first end portion of the bracket is provided with a stopper portion, and the stopper portion is provided with a stopper hole through which a bolt passes;

5. The car seat belt mounting structure according to claim 3, wherein a first opening through which the webbing passes is provided on the retractor, and a second opening through which the webbing passes is provided at a position of the bracket corresponding to the first opening.

6. The mounting structure of a seatbelt for a vehicle according to claim 1, further comprising a mounting piece, a first end portion of which is screwed to an outer side of the retractor, and a second end portion of which is welded to the back plate.

7. The mounting structure of a seatbelt for a vehicle according to claim 6, wherein both sides of the second end portion of the mounting plate are provided with flanges extending toward one side of the retractor.

8. The car seat belt mounting structure according to claim 1, wherein a blind window is provided on the rear back plate;

9. The mounting structure of a seatbelt for a vehicle according to claim 8, wherein a line connecting between the retractor and the webbing head coincides with a center axis of the first reinforcement.

10. The mounting structure of an automobile safety belt according to claim 1, wherein the rear plate includes an open window and a sheet metal member, the open window being provided at an upper portion of the sheet metal member;