CN111003007B - An adjustable high-speed rail seat and its production device - Google Patents

Abstract

The invention discloses an adjustable high-speed rail seat, comprising support legs, the top of the support legs is welded with a seat bottom plate, both sides of the seat bottom plate are fixedly connected with armrests, and one end of the inner side of the armrest is rotatably connected with a back connection A sliding slot hole is opened at the bottom of one side of the back connecting plate, and an adjustment mechanism is slidably connected to the inner side of the sliding slot hole, and the adjustment mechanism includes a connecting rod, an adjustment rod, a limit hole, a limit rod, and a C-shaped rod. , a support spring, a control rod, a guide rod, a limit plate and a return spring, the present invention fixes the position of the back connecting plate through the cooperation of the adjustment rod, the limit hole and the limit rod. The cooperation of the control lever simplifies the process of adjusting the angle of the back connecting plate. After pressing the control lever, the back connecting plate can spring back to the initial position, so that passengers can adjust the inclination angle of the back connecting plate according to their personal needs, which improves the high-speed rail seat. Chair comfort.

Description

An adjustable high-speed rail seat and its production device

technical field

The invention relates to the technical field of high-speed rail seats, in particular to an adjustable high-speed rail seat and a production device thereof.

Background technique

High-speed railway is referred to as high-speed rail, which refers to the railway with high infrastructure design speed standards, which can allow trains to run safely at high speed on the track. The train operating speed is above 200km/h. gradually increase;

However, due to the lack of adjustment mechanism of the high-speed rail seats currently on the market, the back cushion and seat cushion of the seat are adjusted at the same time, and the passenger's buttocks will slide forward during the process of leaning back, causing part of the buttocks to be in a suspended state, affecting the riding experience.

SUMMARY OF THE INVENTION

The present invention provides an adjustable high-speed rail seat and a production device thereof, which can effectively solve the problem that the back cushion and the seat cushion of the seat are adjusted at the same time due to the lack of an adjustment mechanism in the high-speed rail seat proposed in the above-mentioned background art, and the process of passengers leaning back The middle buttocks will slide forward, causing part of the buttocks to be in a suspended state, which affects the riding experience.

In order to achieve the above purpose, the present invention provides the following technical solutions: an adjustable high-speed rail seat, comprising support legs, the top of the support legs is welded with a seat bottom plate, both sides of the seat bottom plate are fixedly connected with armrests, the One end of the inner side of the armrest is rotatably connected with a back connecting plate, a sliding slot hole is opened at the bottom of one side of the back connecting plate, and an adjusting mechanism is slidably connected to the inner side of the sliding slot hole, and the adjusting mechanism includes a connecting rod, an adjusting rod and a limit hole , limit rod, C-rod, support spring, control rod, guide rod, limit plate and return spring;

The inner side of the sliding slot hole is slidably connected with a connecting rod, one end of the connecting rod is rotatably connected with an adjusting rod, the top of the adjusting rod is evenly provided with limit holes, and the inner bottom end of the limit hole is slidably connected with the limit rod, the The bottom end of the limit rod is fixedly connected with a C-shaped rod, the two sides of the bottom end of the C-shaped rod are symmetrically and fixedly connected with a support spring, the top middle of the C-shaped rod is fixedly connected with a control rod, and the other end of the connecting rod is rotatably connected with a A guide rod, one end of the guide rod is fixedly connected to a limit plate, and one side of the limit plate is fixedly connected with a return spring

Preferably, both sides of the seat bottom plate are provided with installation grooves, a sliding block is slidably connected in the installation groove, a bottom connecting plate is fixedly connected to one side of the sliding block, and the bottom end of the bottom connecting plate is fixed in the middle A support block is connected, a tension spring is fixedly connected to one side of the support block, a fixing plate is fixedly connected to one end of the tension spring, and the bottom end of the fixing plate is fixedly connected to the inner bottom of the seat bottom plate.

Preferably, the top of the armrest located at one side of the seat bottom plate is provided with a placement slot, one end of the inner side of the placement slot is rotatably connected with a rotating support rod, and one end of the side surface of the rotating support rod is rotatably connected with a connecting shaft, so A rotating adjusting rod is rotatably connected to the side surface of the connecting shaft, and a splint is rotatably connected to one end of the side surface of the rotating adjusting rod.

Preferably, a receiving groove is provided at the top of the armrest on the other side of the seat bottom plate, a rotating disk is rotatably connected to one end of the inner side of the receiving groove, and a limiting block is fixedly connected to one side of the rotating disk. A placing link is rotatably connected, one end of the placing link is fixedly connected with a rotation stop block, the other end of the placing link is fixedly connected with a placing plate, and the other end of the placing link is fixed at the other side Auxiliary pull handle is attached.

Preferably, a back cushion is fixedly connected to one side of the back connecting plate by connecting screws, and a backrest is fixedly connected to the middle of the top of the back connecting plate.

Preferably, the top end of the bottom connecting plate is fixedly connected with a seat cushion by connecting bolts, and the top end of the seat cushion is recessed toward the middle.

Preferably, one end of the bottom of the inner side of the seat pan is fixedly connected to a limit bar, and the other side of the support block is in contact with the limit bar before the tension spring reaches the extension limit.

A production device for an adjustable high-speed rail seat, comprising a workbench, a rotating block is rotatably connected to the middle of the top of the workbench, a rotating plate is fixedly connected to the top of the rotating block, and a support bump is symmetrically installed in the middle of the top of the rotating plate. The top of the support bump is fixedly connected with a limit bolt, the limit bolt is sleeved with a limit nut, the bottom end of the rotating plate is slidably connected with a limit pin, and the bottom end of the worktable corresponds to the bottom of the limit pin Fixing holes are evenly opened along the circumferential direction at the end positions.

Preferably, a rotating handle is fixedly connected to the top of the limit pin, and a limit ring is fixedly connected to the outer bottom end of the limit pin corresponding to the top of the worktable.

Preferably, the top end of the support protrusion is fixedly connected with the support leg through the cooperation of the limit bolt and the limit nut.

Compared with the prior art, the beneficial effects of the present invention: the structure of the present invention is scientific and reasonable, and the use is safe and convenient:

1. Set up adjustment mechanism, connecting rod, adjustment rod, limit hole, limit rod, C-shaped rod, support spring, control rod, guide rod, limit plate and return spring, through the adjustment rod, limit hole and limit The cooperation of the position rod fixes the position of the back connecting plate. Through the cooperation of the C-shaped rod, the support spring and the control rod, the process of adjusting the angle of the back connecting plate is simplified. Through the cooperation of the guide rod, the limit plate and the return spring, After pressing the control lever, the back connecting plate can spring back to the initial position, so that passengers can adjust the inclination angle of the back connecting plate according to their personal needs, so as to achieve the most comfortable posture and improve the comfort of the high-speed train seat.

2. The installation groove, sliding block, bottom connecting plate, support block and tension spring are set up. Through the cooperation of the installation groove, sliding block and support block, when adjusting the angle of the back connecting plate, the seat cushion can follow the hips forward. Sliding, after the passenger gets up, the seat cushion is pulled back to its original position by the tension spring, which optimizes the process of adjusting the angle of the back cushion.

3. A placement slot, a rotating support rod, a connecting shaft, a rotating adjusting rod and a splint are set, and the rotating support rod, connecting shaft, rotating adjusting rod and splinting plate are placed in the placing slot, which can reduce the idle space occupied by the device. The cooperation of the support rod, the connecting shaft and the rotating adjustment rod can adjust the angle and position of the splint, and the mobile phone can be clamped by the splint, which reduces the arm burden of passengers when using the mobile phone when they lie on their backs.

4. A rotating disc, limit bumps, placing connecting rods, anti-rotation blocks, placing plates and auxiliary pull handles are set up. It can be freely taken out and rotated from the storage slot, and the auxiliary pull handle is used to provide a focus point for placing the connecting rod, so that the limit bump is easier to take out from the storage slot, so that passengers can place dinner plates or laptops on the placement board when riding the high-speed rail. , which expands the function of high-speed rail seats.

5. A rotating plate, a limit pin, a rotating handle, a limit ring and a fixing hole are provided. During the production and assembly of the high-speed rail seat, the rotating handle is driven to rotate by the rotating handle, and the limit pin, the limit ring and the The matching of the fixing holes is fixed according to the position of the rotating plate, which avoids the assembler from repeatedly walking around the workbench during the assembly of the high-speed rail seat, reduces the workload of the assembler, and optimizes the production process of the high-speed rail seat.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the back of the present invention;

Fig. 3 is the structural schematic diagram of the seat bottom plate installation of the present invention;

Fig. 4 is the structural representation of the bottom connecting plate of the present invention;

Fig. 5 is the structural representation of the adjustment mechanism of the present invention;

Fig. 6 is the structural representation of the present invention's placement plate installation;

Fig. 7 is the structural representation that the splint of the present invention is installed;

Fig. 8 is the structural representation of the workbench of the present invention;

9 is a schematic structural diagram of the installation of the limit pin of the present invention;

Labels in the figure: 1. Supporting legs; 2. Seat bottom plate; 3. Armrest; 4. Back connecting plate; 5. Sliding slot hole;

6. Adjustment mechanism; 601, connecting rod; 602, adjusting rod; 603, limit hole; 604, limit rod; 605, C rod; 606, support spring; 607, control rod; 608, guide rod; 609, Limit plate; 610, return spring;

7. Installation slot; 8. Slide block; 9. Bottom connecting plate; 10. Support block; 11. Tension spring; 12. Fixed plate; 13. Placement slot; 14. Rotating support rod; 15. Connecting shaft; 16. Rotary adjustment lever; 17, splint; 18, storage slot; 19, rotary plate; 20, limit bump; 21, placing connecting rod; 22, anti-rotation block; 23, placing plate; 24, auxiliary handle; 25, Workbench; 26. Turning block; 27. Turning plate; 28. Supporting projection; 29. Limiting bolt; 30. Limiting nut; 31. Limiting pin; 32. Rotating handle; 33. Limiting ring; 34 , fixed hole.

Detailed ways

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

Example: As shown in Figures 1-7, the present invention provides a technical solution, an adjustable high-speed rail seat, comprising a support leg 1, a seat bottom plate 2 welded to the top of the support leg 1, and an inner bottom end of the seat bottom plate 2 at one end. The limit bar is fixedly connected, the other side of the support block 10 is in contact with the limit bar before the tension spring 11 reaches the tensile limit, the armrest 3 is fixedly connected to both sides of the seat bottom plate 2, and the inner end of the armrest 3 is rotated and connected to the back connection Plate 4, one side of the back connecting plate 4 is fixedly connected with the back cushion by connecting screws, the top middle of the back connecting plate 4 is fixedly connected with a pillow, and the bottom of one side of the back connecting plate 4 is provided with a sliding slot 5, and the inner side of the sliding slot 5 is slidably connected There is an adjustment mechanism 6, which includes a connecting rod 601, an adjustment rod 602, a limit hole 603, a limit rod 604, a C-shaped rod 605, a support spring 606, a control rod 607, a guide rod 608, a limit plate 609 and reset spring 610;

A connecting rod 601 is slidably connected to the inner side of the sliding slot hole 5, and one end of the connecting rod 601 is rotatably connected to an adjusting rod 602. The top of the adjusting rod 602 is evenly provided with a limit hole 603, and the inner bottom end of the limit hole 603 is slidably connected to a limit rod 604, which limits the The bottom end of the rod 604 is fixedly connected with a C-shaped rod 605, the two sides of the bottom end of the C-shaped rod 605 are symmetrically and fixedly connected with a support spring 606, the top middle of the C-shaped rod 605 is fixedly connected with a control rod 607, and the other end of the connecting rod 601 is rotatably connected with a guide Rod 608, one end of the guide rod 608 is fixedly connected to the limit plate 609, and one side of the limit plate 609 is fixedly connected with a return spring 610. The position is fixed. Through the cooperation of the C-shaped rod 605, the support spring 606 and the control rod 607, the process of adjusting the angle of the back connecting plate 4 is simplified. After the control lever 607, the back connecting plate 4 can be rebounded to the initial position, so that passengers can adjust the inclination angle of the back connecting plate 4 according to their personal needs, so as to achieve the most comfortable posture and improve the comfort of the high-speed rail seat;

Both sides of the seat bottom plate 2 are provided with installation grooves 7, a sliding block 8 is slidably connected in the installation groove 7, a bottom connecting plate 9 is fixedly connected to one side of the sliding block 8, and a seat cushion is fixedly connected to the top of the bottom connecting plate 9 by connecting bolts. , the top of the seat cushion is concave in the middle, the middle of the bottom connecting plate 9 is fixedly connected with a support block 10, one side of the support block 10 is fixedly connected with a tension spring 11, one end of the tension spring 11 is fixedly connected with a fixed plate 12, and the bottom of the fixed plate 12 is fixedly connected. The end is fixedly connected to the inner bottom of the seat bottom plate 2. Through the cooperation of the installation groove 7, the sliding block 8 and the support block 10, when the angle of the back connecting plate 4 is adjusted, the seat cushion can slide forward with the buttocks, and the back cushion and the seat cushion Synchronous adjustment can ensure that the passenger's buttocks are always at the top of the seat cushion while reaching a comfortable leaning angle. After the passenger gets up, the seat cushion is pulled back to its original position by the tension spring 11, which optimizes the process of adjusting the angle of the back cushion;

A placing slot 13 is provided at the top of the armrest 3 at a position on one side of the seat bottom plate 2, and one end of the inner side of the placing slot 13 is rotatably connected to a rotating support rod 14, and one side of the rotating support rod 14 is rotatably connected to a connecting shaft 15, and the side of the connecting shaft 15 rotates A rotating adjusting rod 16 is connected, and one end of the side of the rotating adjusting rod 16 is rotatably connected with a splint 17. The rotating support rod 14, the connecting shaft 15, the rotating adjusting rod 16 and the splint 17 are placed in the placing slot 13, which can reduce the idle space of the device. Space, through the cooperation of the rotating support rod 14, the connecting shaft 15 and the rotating adjusting rod 16, the angle and position of the splint 17 can be adjusted, and the mobile phone can be clamped by the splint 17, which reduces the arm of the passenger when using the mobile phone when lying on his back. burden;

The top of the armrest 3 on the other side of the seat bottom plate 2 is provided with a receiving groove 18 , and one end of the inner side of the receiving groove 18 is rotatably connected with a rotary disk 19 , one side of the rotary disk 19 is fixedly connected with a limiting block 20 , and the inner side of the rotary disk 19 is rotatably connected with a The connecting rod 21 is placed, one end of the connecting rod 21 is fixedly connected with a rotation stop block 22, the other end of the connecting rod 21 is fixedly connected with a placing plate 23, and the other end of the connecting rod 21 is fixedly connected with an auxiliary The pull handle 24, through the cooperation of the rotating disk 19, the limit bump 20, the placing link 21 and the anti-rotation block 22, enables the placing plate 23 to be freely taken out and rotated from the receiving slot 18, and the auxiliary pull handle 24 is used for placing the handle 24. The connecting rod 21 provides a focal point, so that the placing connecting rod 21 can be more easily taken out from the storage slot 18, so that passengers can place a dinner plate or a laptop on the placing plate 23 when riding the high-speed rail, which expands the function of the high-speed rail seat;

As shown in Figures 8-9, a production device for an adjustable high-speed rail seat includes a workbench 25, a rotating block 26 is rotatably connected to the middle of the top of the workbench 25, and a rotating plate 27 is fixedly connected to the top of the rotating block 26. The rotating plate 27 A support bump 28 is symmetrically installed in the middle of the top end. The top of the support bump 28 is fixedly connected to a limit bolt 29. The limit bolt 29 is sleeved with a limit nut 30. The bottom edge of the rotating plate 27 is slidably connected to a limit pin 31. The bottom end of 25 corresponds to the position of the bottom end of the limit pin 31 and a fixed hole 34 is uniformly opened along the circumferential direction, the top of the limit pin 31 is fixedly connected with a rotating handle 32, and the outer bottom end of the limit pin 31 corresponds to the top position of the workbench 25. The limit ring 33 is connected, and the top of the support bump 28 is fixedly connected with the support leg 1 through the cooperation of the limit bolt 29 and the limit nut 30. During the production and assembly process of the high-speed rail seat, the rotating plate 27 is driven to rotate by rotating the pull handle 32 , through the cooperation of the limit pin 31, the limit ring 33 and the fixing hole 34, the position of the rotating plate 27 is fixed, which avoids the assembler from repeatedly walking around the workbench 25 during the assembly process of the high-speed rail seat, and reduces the workload of the assembler. Optimized the production process of high-speed rail seats.

The working principle and use process of the present invention: when the passenger sits on the high-speed rail seat, the passenger leans his back on the back cushion, leans back gently, and presses the control lever 607 at the same time, and the control lever 607 drives the C-shaped rod 605 When moving downward, the C-shaped rod 605 compresses the support spring 606 while moving, and the limit rod 604 leaves the limit hole 603 at the same time, the back connecting plate 4 rotates backward, and the back connecting plate 4 drives the connecting rod 601 to move backward, and the connecting rod 601 drives the adjusting rod 602 and the guide rod 608 to move backward at the same time, and the guide rod 608 drives the limit disk 609 to move backward. With the movement of the limit disk 609, the return spring 610 is gradually compressed. After the angle, release the control rod 607, the C-shaped rod 605 bounces up under the action of the support spring 606, the limit rod 604 is reinserted into the limit hole 603, and the adjustment of the back connecting plate 4 is completed;

While adjusting the angle of the back connecting plate 4, the passenger's buttocks will gradually move forward, the passenger's buttocks drive the seat cushion to move forward, the seat cushion drives the bottom connecting plate 9 to move, and the bottom connecting plate 9 drives the sliding block 8 to move forward along the installation groove 7 At the same time, the bottom connecting plate 9 drives the support block 10 to move forward. The support block 10 stretches the tension spring 11 while moving. When the passenger gets up and leaves, the seat cushion is pulled back to its original position under the action of the tension spring 11. ;

When the passenger needs to use the mobile phone, take out the rotating support rod 14 from the placing slot 13, turn the rotating adjusting rod 16, adjust the splint 17 to a proper position, make the splint 17 face the passenger, and install the mobile phone on the splint 17, then you can start using the phone;

When using the placing plate 23, the placing link 21 is taken out from the receiving slot 18 through the auxiliary pull handle 24 and the placing plate 23 is rotated. The placing plate 23 drives the placing link 21 to rotate, and the placing link 21 drives the rotation stopper 22 to rotate. When the side of the anti-rotation block 22 comes into contact with the limit bump 20 and stops rotating, the position of the placing plate 23 is fixed, and a plate or a laptop can be placed on the placing plate 23;

In the production and assembly process of the high-speed rail seat, first install the support leg 1 to the top of the support bump 28 through the limit bolt 29 and the limit nut 30, and install each component of the high-speed rail seat on the support leg 1 in sequence. When the seat back part is used, the rotating plate 27 is driven to rotate by rotating the pull handle 32. When the rotating plate 27 is rotated to a suitable position, the limit pin 31 is inserted into the fixing hole 34, which avoids the need for the assembler to repeatedly walk around the workbench during the assembly process. .

Finally, it should be noted that the above descriptions are only preferred examples of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features therein. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a high-speed railway seat with adjustable, includes supporting leg (1), its characterized in that: the top end of the supporting leg (1) is welded with a seat bottom plate (2), handrails (3) are fixedly connected to two sides of the seat bottom plate (2), one end of the inner side of each handrail (3) is rotatably connected with a back connecting plate (4), the bottom of one side of each back connecting plate (4) is provided with a sliding groove hole (5), the inner side of each sliding groove hole (5) is slidably connected with an adjusting mechanism (6), and each adjusting mechanism (6) comprises a connecting rod (601), an adjusting rod (602), a limiting hole (603), a limiting rod (604), a C-shaped rod (605), a supporting spring (606), a control rod (607), a guide rod (608), a limiting disc (609) and a reset spring (610;

the utility model discloses a sliding groove hole, including sliding groove hole (5), connecting rod (601) one end rotate and be connected with regulation pole (602), spacing hole (603) have evenly been seted up on regulation pole (602) top, spacing hole (603) inboard bottom sliding connection has gag lever post (604), gag lever post (604) bottom fixedly connected with C type pole (605), C type pole (605) bottom both sides portion symmetry fixedly connected with supporting spring (606), C type pole (605) top middle part fixedly connected with control lever (607), connecting rod (601) other end rotates and is connected with guide bar (608), guide bar (608) one end fixedly connected with spacing dish (609), spacing dish (609) one side fixedly connected with reset spring (610).

2. The adjustable high-speed rail seat as claimed in claim 1, wherein mounting grooves (7) are formed in both sides of the inside of the seat bottom plate (2), sliding blocks (8) are slidably connected in the mounting grooves (7), a bottom connecting plate (9) is fixedly connected to one side of each sliding block (8), a supporting block (10) is fixedly connected to the middle of the bottom end of each bottom connecting plate (9), an extension spring (11) is fixedly connected to one side of each supporting block (10), a fixing plate (12) is fixedly connected to one end of each extension spring (11), and the bottom end of each fixing plate (12) is fixedly connected to the bottom of the inside of the seat bottom plate (2).

3. The adjustable high-speed rail seat as claimed in claim 1, wherein a placing groove (13) is formed at the top end of the armrest (3) at one side of the seat bottom plate (2), a rotating support rod (14) is rotatably connected to one end of the inner side of the placing groove (13), a connecting shaft (15) is rotatably connected to one end of the side surface of the rotating support rod (14), a rotating adjusting rod (16) is rotatably connected to the side surface of the connecting shaft (15), and a clamping plate (17) is rotatably connected to one end of the side surface of the rotating adjusting rod (16).

4. The adjustable high-speed rail seat as claimed in claim 1, wherein a receiving groove (18) is formed at the top end of the armrest (3) at the other side of the seat bottom plate (2), a rotating disk (19) is rotatably connected to one end of the inner side of the receiving groove (18), a limiting bump (20) is fixedly connected to one side edge of the rotating disk (19), a placing connecting rod (21) is rotatably connected to the inner side of the rotating disk (19), a rotation stopping block (22) is fixedly connected to one end of the placing connecting rod (21), a placing plate (23) is fixedly connected to one side position of the other end of the placing connecting rod (21), and an auxiliary pull handle (24) is fixedly connected to the other side position of the other end of the placing connecting rod.

5. The adjustable high-speed railway seat as claimed in claim 1, wherein one side of the back connecting plate (4) is fixedly connected with a back cushion through a connecting screw, and the middle part of the top end of the back connecting plate (4) is fixedly connected with a back cushion.

6. The adjustable high-speed rail seat as claimed in claim 2, wherein the top end of the bottom connecting plate (9) is fixedly connected with a cushion through a connecting bolt, and the top end of the cushion is concave towards the middle.

7. The adjustable high-speed rail seat as claimed in claim 2, wherein one end of the bottom of the inner side of the seat bottom plate (2) is fixedly connected with a limit strip, and the other side of the support block (10) is contacted with the limit strip before the extension spring (11) reaches the extension limit.

8. The production device required by production of the adjustable high-speed rail seat as claimed in any one of claims 1 to 7, comprising a workbench (25), wherein a rotating block (26) is rotatably connected to the middle of the top end of the workbench (25), a rotating disc (27) is fixedly connected to the top end of the rotating block (26), supporting convex blocks (28) are symmetrically installed at the middle of the top end of the rotating disc (27), limiting bolts (29) are fixedly connected to the top ends of the supporting convex blocks (28), limiting nuts (30) are sleeved on the limiting bolts (29), limiting pins (31) are slidably connected to the edge portion of the bottom end of the rotating disc (27), and fixing holes (34) are uniformly formed in the positions, corresponding to the bottom ends of the limiting pins (31), of the bottom end of the workbench (25) along the circumferential direction.

9. The production device of the adjustable high-speed train seat as claimed in claim 8, wherein the top end of the limit pin (31) is fixedly connected with a rotary pull handle (32), and the bottom end of the outer side of the limit pin (31) is fixedly connected with a limit ring (33) corresponding to the top end of the workbench (25).

10. The production device of the adjustable high-speed railway seat as claimed in claim 8, wherein the top end of the supporting lug (28) is fixedly connected with the supporting leg (1) through the matching of a limiting bolt (29) and a limiting nut (30).

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