CN110667623A - Glass fiber reinforced plastic seat back mounting structure for railway vehicle - Google Patents

Abstract

The invention discloses a glass fiber reinforced plastic seat backrest mounting structure for a railway vehicle, which comprises a seat body made of glass fiber reinforced plastic materials and two mounting brackets for mounting the seat body, wherein mounting blocks are welded on the side walls of the two mounting brackets, mounting grooves are formed in the side walls of the two mounting brackets in a penetrating mode, reversing grooves are formed in the side, close to the seat body, of the two mounting grooves, clamping devices correspondingly connected with the two mounting blocks are arranged on the side walls of the seat body, and limiting blocks are welded on the side walls of the two mounting brackets. Has the advantages that: the mounting panel is located inside the mounting groove to its length is greater than the width in switching-over groove, even if there is not the bolt fastening behind the mounting panel installation, also can not break away from the mounting groove through the switching-over groove, and then makes the mounting panel can realize the joint with the installation piece, makes whole installation process comparatively convenient, and even if appear the bolt not hard up use that can not influence the seat body in long-term use.

Description

A back mounting structure of glass fiber reinforced plastic seat for rail vehicle

technical field

The invention relates to the technical field of rail vehicles, in particular to a back mounting structure of a glass fiber reinforced plastic seat for rail vehicles.

Background technique

FRP is a kind of composite material. Because of its unique performance advantages, FRP materials have been used in aerospace, railways, decorative buildings, home furniture, advertising displays, craft gifts, building materials and bathrooms, yacht mooring, sports materials, sanitation projects, etc. It has been widely used in more than ten related industries, and has been widely praised, becoming the darling of the needs of merchants in the new era in the material industry;

Fiberglass reinforced plastic is fiber reinforced plastic, generally refers to reinforced plastic with glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin matrix, with glass fiber or its products as reinforcement material, called glass fiber reinforced plastic, or called glass fiber reinforced plastic, Different from tempered glass; various structural products can be flexibly designed according to the needs to meet the requirements of use, which can make the product have a good integrity; the molding can be flexibly selected according to the shape, technical requirements, use and quantity of the product craft;

In the field of rail vehicles, FRP can be used to make seats, and it has been fully developed due to its good plasticity and other advantages. However, the existing FRP seats have certain inconveniences in installation, which are mainly fixed by a large number of bolts, resulting in the entire disassembly and assembly. The process takes a lot of time, wastes a lot of manpower, and the existing FRP seats have a single function and no multi-functionality.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem of inconvenient seat installation in the prior art, and proposes a back installation structure of a glass fiber reinforced plastic seat for rail vehicles.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a glass fiber reinforced plastic seat back mounting structure for rail vehicles, comprising a seat body made of glass fiber reinforced plastic material and two mounting brackets for the seat body installation, two The side walls of the mounting brackets are welded with mounting blocks, the side walls of the two mounting blocks are all provided with mounting grooves, and the two mounting grooves are provided with reversing grooves on one side close to the seat body. The side wall of the seat body is provided with a clamping device correspondingly connected with the two mounting blocks, the side walls of the two mounting brackets are welded with limit blocks, and the bottom of the seat body is provided with two symmetrically arranged limit blocks. A set of buffer springs are welded to the inner bottoms of the two limit slots, the two limit blocks are respectively slidably connected to the inner walls of the two limit slots, and the two sets of buffer springs are respectively connected to the two limit slots. The upper ends of the blocks are offset.

In the above-mentioned FRP seat back mounting structure for a rail vehicle, the snap-fitting device includes a mounting groove formed with the side wall of the seat body, the inner bottom of the mounting groove is fixedly connected with a mounting plate by bolts, and the mounting plate is A telescopic block is welded at one end close to the mounting bracket, a telescopic cavity is opened inside the telescopic block, a return spring is welded on the inner wall of the telescopic cavity away from the mounting bracket, and one end of the return spring close to the mounting bracket is welded with a telescopic cavity. A baffle that is slidably connected to the inner wall of the cavity, a pull slot is formed through the side of the telescopic cavity close to the installation bracket, and one end of the baffle close to the installation bracket is rotatably connected with a connecting rod that is slidably connected to the pull groove through the pull groove. A mounting plate is welded to one end close to the mounting bracket.

In the above-mentioned FRP seat back mounting structure for rail vehicles, the mounting plate is abutted against the inner wall of the corresponding mounting groove, the mounting plate and the mounting block are fixedly connected by bolts, the mounting plate is in the shape of a rectangular plate, and the mounting plate is in the shape of a rectangular plate. The length and width of the mounting plate and the reversing slot are the same.

In the above-mentioned FRP seat back installation structure for rail vehicles, a headrest groove is formed on the upper end side wall of the seat body, and adjustment groove auxiliary grooves are respectively formed on both sides of the headrest groove, and the adjustment groove The bottom is rotatably connected to a screw rod, the upper end of the screw rod penetrates the top of the adjustment slot and is welded with a turning handle, and a section of the screw rod located inside the adjustment slot is rotatably connected with a slider.

In the above-mentioned FRP seat back installation structure for rail vehicles, the inner wall of the headrest groove is slidably connected with the backrest, the sidewall of the backrest is fixedly connected with an adjusting rod, and one end of the adjusting rod located inside the adjusting groove is connected with the backrest. The side walls of the sliding block are welded to each other, the inner wall of the auxiliary groove is welded with an auxiliary rod, and the auxiliary rod is slidably connected with the side wall of the adjusting rod.

In the above-mentioned FRP seat back installation structure for rail vehicles, a lumbar pad groove is formed on the side wall of the seat, and a pad bag is glued and fixed on the inner wall of the lumbar pad slot, and the pad bag is made of elastic rubber material , the side wall of the seat body is provided with a chute and an air supply slot communicating with the chute, the inner bottom of the chute is provided with an air intake hole communicating with the lumbar pad slot, and the inner bottom of the chute is welded with movable A spring, one end of the movable spring away from the waist pad groove is welded with a movable block that is sealed and slidingly connected with the inner wall of the chute, and a check valve is fixed on the air supply groove and the inner wall of the air inlet hole.

In the above-mentioned FRP seat back installation structure for rail vehicles, a side wall of one end of the seat body away from the chute is provided with an air release groove and a communication groove communicating with the inside of the air release groove. Welding a limit spring, the end of the limit spring away from the waist pad groove is welded with a push block that is sealed and slidably connected to the inner wall of the air release groove, and the end of the push block close to the waist cushion groove is welded through the bottom of the air release groove and the waist. The outlet pipe communicated inside the gasket groove.

Compared with the prior art, the advantages of the present invention are:

1. In the present invention, during the storage and transportation of the seat, the mounting plate is located inside the receiving slot under the elastic force of the return spring, so that the overall structure of the seat body is compact without bulges and excessive water chestnuts. The chair body is easy to pack during transportation, and will not be difficult to pack due to obvious water chestnuts, and it will not be easily damaged by bumps during transportation;

2. In the present invention, the mounting plate is located inside the mounting slot, and its length is greater than the width of the reversing slot, so even if the mounting plate is installed without bolts, it will not be separated from the mounting slot through the reversing slot, thereby making the mounting plate and the installation The block can be snap-connected, making the entire installation process more convenient, and even if the bolts are loosened during long-term use, it will not affect the use of the seat body;

3. In the present invention, the seat body is not easily slid to the side away from the mounting bracket by the locking of the limit block to the limit slot, and the blocking of the limit block can reduce the impact on the mounting plate. Pulling force, which reduces the force on the connecting part and has a longer service life;

4. In the present invention, through the design of the headrest, the neck of the seat can have a comfortable experience during use, and the height of the headrest can be adjusted by rotating the handle, thereby satisfying the use of various groups of people;

5. In the present invention, the waist pad groove can be inflated by reciprocatingly pressing the movable block, so that the pad bag can support the user's waist through inflation, so that the user's waist has a better experience, and By pressing the push block, the air volume in the waist pad groove can be adjusted, so that the expansion degree of the pad bag can be adjusted, which can meet the needs of different groups of people.

Description of drawings

FIG. 1 is a schematic structural diagram of a back mounting structure of a glass fiber reinforced plastic seat for a rail vehicle proposed by the present invention;

FIG. 2 is a partial cross-sectional view of the left side of the FRP seat back mounting structure for a rail vehicle proposed by the present invention;

3 is a partial cross-sectional view of the right side of the FRP seat back mounting structure for a rail vehicle proposed by the present invention;

Fig. 4 is the enlarged schematic diagram of part A in Fig. 1;

FIG. 5 is an enlarged schematic view of part B in FIG. 2 .

In the picture: 1 seat body, 2 mounting bracket, 3 storage slot, 4 mounting plate, 5 telescopic block, 6 telescopic cavity, 7 return spring, 8 baffle plate, 9 pull slot, 10 connecting rod, 11 mounting plate, 12 installation block, 13 installation slot, 14 reversing slot, 15 limit block, 16 limit slot, 17 buffer spring, 18 headrest slot, 19 adjustment slot, 20 auxiliary slot, 21 headrest, 22 screw rod, 23 handle, 24 Slider, 25 auxiliary rod, 26 adjusting rod, 27 waist pad slot, 28 pad bag, 29 chute, 30 air intake hole, 31 air supply slot, 32 movable spring, 33 movable block, 34 air release slot, 35 air outlet pipe, 36 limit spring, 37 push block, 38 communication groove.

Detailed ways

The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

Example

1-5, a FRP seat back installation structure for rail vehicles includes a seat body 1 made of FRP material and two mounting brackets 2 for installing the seat body 1. Mounting blocks 12 are welded to the side walls. Mounting grooves 13 are formed through the side walls of the two mounting blocks 12 . The two mounting grooves 13 are provided with reversing grooves 14 on one side close to the seat body 1 . The side wall is provided with a clamping device corresponding to the two mounting blocks 12, the side walls of the two mounting brackets 2 are welded with limit blocks 15, and the bottom of the seat body 1 is provided with two symmetrically arranged limit slots 16. A set of buffer springs 17 are welded to the inner bottoms of the two limit slots 16 . offset.

The clamping device includes a receiving groove 3 which is formed with the side wall of the seat body 1, the inner bottom of the receiving groove 3 is fixedly connected with a mounting plate 4 by bolts, and an end of the mounting plate 4 close to the mounting bracket 2 is welded with a telescopic block 5, and the telescopic block 5 A telescopic cavity 6 is opened inside the telescopic cavity 6, a return spring 7 is welded on the inner wall of the telescopic cavity 6 away from the installation bracket 2, and the end of the return spring 7 close to the installation bracket 2 is welded with a baffle 8 slidingly connected with the inner wall of the telescopic cavity 6. 6. The side close to the mounting bracket 2 is provided with a pull slot 9, and one end of the baffle plate 8 close to the mounting bracket 2 is rotatably connected with a connecting rod 10 which is slidably connected with the pull groove 9, and the end of the connecting rod 10 close to the mounting bracket 2 is welded with Mounting plate 11; the mounting plate 11 is in contact with the inner wall of the corresponding mounting slot 13, the mounting plate 11 and the mounting block 12 are fixedly connected by bolts, the mounting plate 11 is in the shape of a rectangular plate, and the length and width of the mounting plate 11 and the reversing slot 14 are the same; During the storage and transportation of the seat body 1, the mounting plate 11 abuts against the telescopic block 5 under the elastic force of the return spring 7 and is located inside the receiving slot 3, so that the seat body 1 does not bulge, which is convenient for packaging and transportation It is not easy to be damaged during transportation, and the force on the connection is obvious during the use of the seat body 1. Long-term use will cause great damage to the position of the telescopic block 5 and the mounting plate 11. Therefore, the detachable mounting plate is fixed by bolts. 4. The entire connecting part can be directly disassembled and replaced, so that the service life of the seat body 1 can be improved.

The upper end side wall of the seat body 1 is provided with a headrest groove 18 , and two sides of the headrest groove 18 are respectively provided with an adjustment groove 19 and an auxiliary groove 20 . The top of the groove 19 is welded with a turning handle 23, and a section of the screw rod 22 located inside the adjusting groove 19 is rotatably connected with a slider 24; Rod 26, one end of the adjusting rod 26 inside the adjusting slot 19 is welded with the side wall of the slider 24, the inner wall of the auxiliary groove 20 is welded with an auxiliary rod 25, and the auxiliary rod 25 is slidably connected to the side wall of the adjusting rod 26.

The side wall of the seat body 1 is provided with a lumbar pad groove 27, the inner wall of the lumbar pad groove 27 is glued and fixed with a pad bag 28, the pad bag 28 is made of elastic rubber material, and the side wall of the seat body 1 is provided with a chute 29 and The air supply groove 31 communicated with the chute 29, the inner bottom of the chute 29 is provided with an air inlet 30 that communicates with the waist pad groove 27, the inner bottom of the chute 29 is welded with a movable spring 32, and the movable spring 32 is far away from the waist pad groove 27. One end is welded with a movable block 33 which is sealed and slidingly connected with the inner wall of the chute 29, and a check valve is fixed on the inner wall of the air supply slot 31 and the air inlet hole 30. The check valve inside the air inlet hole 30 leads from the chute 29 to the waist pad. In the groove 27, the one-way valve inside the air supply groove 31 leads from the outside of the seat body 1 to the inside of the chute 29, and the interior of the lumbar cushion groove 27 is inflated by the reciprocating movement of the movable block 33.

The side wall of one end of the seat body 1 away from the chute 29 is provided with an air release groove 34 and a communication groove 38 communicating with the inside of the air release groove 34. A limit spring 36 is welded to the inner bottom of the air release groove 34. One end of the waist cushion groove 27 is welded with a push block 37 that is sealingly and slidably connected to the inner wall of the air release groove 34, and one end of the push block 37 close to the waist cushion groove 27 is welded with an air outlet pipe that penetrates the bottom of the air release groove 34 and communicates with the interior of the waist cushion groove 27. 35. The air outlet pipe 35 is sealed and slidingly connected with the bottom of the air release groove 34. The air outlet pipe 35 is in the shape of an "L" shape. One end of the air outlet pipe 35 is located inside the waist pad groove 27. The inner walls are in contact with each other and are sealed and slidably connected, so that the gas will not escape through the air outlet pipe 35 when the waist pad groove 27 is inflated. air, and then adjust the amount of air in the waist pad groove 27 to adjust the expansion degree of the pad bag 28 .

In the present invention, when installing the seat body 1, first pull the mounting plate 11 to make it out of the receiving slot 3, and then rotate the mounting plate 11 to make it turn ninety degrees. In this state, the mounting plate 11 can directly pass through the reversing slot. 14 Enter into the installation slot 13, then insert the two installation plates 11 into the two installation slots 13 respectively, and then turn the installation plate 11 again to restore the original state. In this state, the installation plate 11 cannot directly pass through the reversing direction. The slot 14 is further separated from the mounting slot 13, so that the mounting plate 11 can be snapped with the mounting block 12, and then the position of the seat body 1 is adjusted so that the limit slot 16 below the seat body 1 corresponds to the limit block 15 on the mounting bracket 2, through The limit block 15 limits the sliding of the limit groove 16 to limit the horizontal sliding of the seat body 1. Finally, the bolt is inserted from the upper end of the mounting block 12 to realize the fixed connection between the mounting block 12 and the mounting plate 11. So far, the seat body is 1 and the mounting bracket 2 are stably connected together, thereby completing the installation of the seat body 1 .

When the seat body 1 is put into use, the backrest 21 can support the user's neck and head, and the height of the backrest 21 can be adjusted by rotating the handle 23, thereby meeting the needs of various groups of people, and it is necessary to adjust the backrest When the height is 21, turn the handle 23 to drive the screw rod 22 to rotate, so that the slider 24 carries the adjusting rod 26 to move along the surface of the screw rod 22, so that the adjusting rod 26 drives the headrest 21 to move, so as to adjust the height of the headrest 21. .

When the seat body 1 is in use, the cushion bag 28 can be inflated to make it inflated, so as to support the waist of the user and improve the use comfort. Reciprocating movement, when the movable block 33 moves to the inside of the chute 29, the movable block 33 squeezes the air inside the chute 29 into the waist pad groove 27, thereby realizing the inflation of the cushion bag 28 and realizing the expansion of the cushion bag 28. When the movable block 33 moves outward under the elastic force of the movable spring 32, the air pressure inside the chute 29 is reduced, so that the external air is supplemented to the interior of the chute 29 through the air supply groove 31, and then pushes the movable block 33 back and forth to realize the adjustment of the cushion bag 28. continue to inflate until the cushion bag 28 expands to a suitable size;

When the expansion size of the pad bag 28 is not satisfied and the air in the waist pad groove 27 needs to be released, the push block 37 can be pushed to move to the inside of the air release groove 34, so that the air outlet pipe 35 can follow the push block 37 to the waist pad groove 27. Internal movement, when the air outlet pipe 35 is moved to communicate with the communication groove 38, the inside of the waist cushion groove 27 will be communicated with the communication groove 38, so that the gas inside the waist cushion groove 27 escapes outward, and the interior of the waist cushion groove 27 can be realized. The adjustment of the amount of gas can further realize the adjustment of the expansion degree of the cushion bag 28 .

Although the seat body 1, the mounting bracket 2, the storage slot 3, the mounting plate 4, the telescopic block 5, the telescopic cavity 6, the return spring 7, the baffle plate 8, the pull slot 9, the connecting rod 10 and the mounting plate are used more in this paper 11. Installation block 12, installation slot 13, reversing slot 14, limit block 15, limit slot 16, buffer spring 17, headrest slot 18, adjustment slot 19, auxiliary slot 20, headrest 21, screw 22, rotary Handle 23, slider 24, auxiliary rod 25, adjustment rod 26, waist pad slot 27, pad bag 28, chute 29, air inlet 30, air supply slot 31, movable spring 32, movable block 33, air release slot 34, Terms such as air outlet pipe 35, limit spring 36, push block 37, communication groove 38, etc., do not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention; it is contrary to the spirit of the present invention to interpret them as any kind of additional limitation.

Claims (7)

1. A glass fiber reinforced plastic seat back mounting structure for rail vehicles, comprising a seat body (1) made of glass fiber reinforced plastic material and two mounting brackets (2) for mounting the seat body (1), characterized in that, Mounting blocks (12) are welded to the side walls of the two mounting brackets (2), and mounting grooves (13) are formed through the side walls of the two mounting blocks (12). 13) Reversing grooves (14) are provided on the side close to the seat body (1), and the side wall of the seat body (1) is provided with a clamping device correspondingly connected with the two mounting blocks (12). Limit blocks ( 15 ) are welded to the side walls of each of the mounting brackets ( 2 ), and two symmetrical limit slots ( 16 ) are formed at the bottom of the seat body ( 1 ). A set of buffer springs (17) are welded to the inner bottom of the groove (16), the two limit blocks (15) are respectively slidably connected with the inner walls of the two limit grooves (16), and the two sets of buffer springs (17) They are in contact with the upper ends of the two limit blocks (15) respectively. 2 . The installation structure for the back of a FRP seat for a rail vehicle according to claim 1 , wherein the clamping device comprises a receiving groove ( 3 ) formed with the side wall of the seat body ( 1 ). A mounting plate (4) is fixedly connected to the inner bottom of the receiving groove (3) by bolts, and a telescopic block (5) is welded to one end of the mounting plate (4) close to the mounting bracket (2). A telescopic cavity (6) is opened inside, and a return spring (7) is welded on the inner wall of the telescopic cavity (6) away from the installation bracket (2), and the return spring (7) is welded to one end of the return spring (7) close to the installation bracket (2). There is a baffle (8) slidably connected to the inner wall of the telescopic cavity (6), a pull slot (9) is formed through the side of the telescopic cavity (6) close to the mounting bracket (2), and the baffle (8) is close to One end of the mounting bracket (2) is rotatably connected with a connecting rod (10) which is slidably connected with the pull groove (9), and an end of the connecting rod (10) close to the mounting bracket (2) is welded with a mounting plate (11). 3. The FRP seat back mounting structure for a rail vehicle according to claim 2, wherein the mounting plate (11) is in contact with the inner wall of the corresponding mounting groove (13), and the mounting plate (11) ) and the mounting block (12) are fixedly connected by bolts, the mounting plate (11) is in the shape of a rectangular plate, and the mounting plate (11) and the reversing groove (14) have the same length and width. 4 . The installation structure for the back of a FRP seat for a rail vehicle according to claim 1 , wherein a headrest groove (18) is formed on the upper end side wall of the seat body (1), and the headrest Both sides of the slot (18) are respectively provided with an adjustment slot (19) and an auxiliary slot (20). The top of (19) is welded with a turning handle (23), and a section of the screw rod (22) located inside the adjusting groove (19) is rotatably connected with a slider (24). 5 . The back mounting structure of a fiberglass seat for a rail vehicle according to claim 4 , wherein the inner wall of the headrest groove (18) is slidably connected with a backrest (21), and the backrest (21) is slidably connected to the backrest. 6 . An adjusting rod (26) is fixedly connected through the side wall, and one end of the adjusting rod (26) located inside the adjusting groove (19) is welded with the side wall of the slider (24), and the inner wall of the auxiliary groove (20) is welded with a An auxiliary rod (25), the auxiliary rod (25) is slidably connected to the side wall of the adjusting rod (26). 6 . The back mounting structure of a fiberglass seat for a rail vehicle according to claim 1 , wherein a lumbar pad groove ( 27 ) is formed on the side wall of the seat body ( 1 ), and the lumbar pad groove The inner wall of (27) is glued and fixed with a cushion bag (28), the cushion bag (28) is made of elastic rubber material, and the side wall of the seat body (1) is provided with a chute (29) and is connected with the chute. (29) A connected air supply groove (31), the inner bottom of the sliding groove (29) is provided with an air inlet (30) communicating with the waist pad groove (27), and the inner bottom of the sliding groove (29) is welded with A movable spring (32), the end of the movable spring (32) away from the waist pad groove (27) is welded with a movable block (33) which is sealed and slidably connected to the inner wall of the chute (29). Check valves are fixed on the inner walls of the air holes (30). 7 . The FRP seat back mounting structure for a rail vehicle according to claim 6 , wherein an air release groove ( 34 ) is opened on the side wall of one end of the seat body ( 1 ) away from the chute ( 29 ). 8 . ) and a communication groove (38) communicated with the inside of the air release groove (34), a limit spring (36) is welded to the inner bottom of the air release groove (34), and the limit spring (36) is far away from the waist pad groove. One end of (27) is welded with a push block (37) which is sealed and slidably connected to the inner wall of the air release groove (34), and one end of the push block (37) close to the waist pad groove (27) is welded with a through air release groove (34) The air outlet pipe (35) at the bottom communicates with the inside of the waist pad groove (27).

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