CN210310358U

CN210310358U - Height-adjustable's lightweight high-speed railway back dining table board

Info

Publication number: CN210310358U
Application number: CN201920612103.1U
Authority: CN
Inventors: 蒋华
Original assignee: Jiangsu Huayi Aerospace Equipment Technology Co ltd
Current assignee: Jiangsu Huayi Aerospace Equipment Technology Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-14
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a height-adjustable's lightweight high-speed railway back dining table board, including seat and dining table board main part, dining table board main part slidable mounting is at the back of seat, the spout has been seted up at the back of seat, the back of seat is located the edge fixed mounting of spout and has first magnetic stripe, the inside rotation of spout is installed at the back middle part of seat has screw lead screw, the back of seat is located the upper portion rotation of spout and installs the handle, the inside fixed mounting of dining table board main part has fixing device, fixing device's side is rotated and is installed the dining table board, the upper surface both ends edge fixed mounting of dining table board has the second magnetic stripe, the draw-in groove has been seted up to the side end face of dining table board, the inside fixed mounting of draw-in groove has the connecting axle, fixing device's inside fixed mounting has the. The utility model discloses height-adjusting can be carried out.

Description

Height-adjustable's lightweight high-speed railway back dining table board

Technical Field

The utility model relates to a high-speed railway dining table equipment technical field specifically is a height-adjustable's lightweight high-speed railway back dining table board.

Background

Along with the development of national economy, the high-speed rail technology in China is mature day by day, the service and the environment in the high-speed rail are improved continuously, but some inconveniences still exist, like the dining table plate fixedly installed on the back of each seat in the existing high-speed rail, the height of a passenger is different due to the fact that the height of the dining table plate is fixed, the dining table plate is too high for children, and the height of the dining table plate is too low for taller people, so that the dining table plate is not beneficial to the use of the passenger, and therefore a light-weight high-speed rail backrest dining table plate with adjustable height is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a height-adjustable's lightweight high-speed railway back dining table to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a height-adjustable lightweight high-speed rail backrest dining table plate comprises a seat and a dining table plate main body, wherein the dining table plate main body is slidably mounted on the back surface of the seat, a sliding groove is formed in the back surface of the seat, a first magnetic strip is fixedly mounted at the edge of the sliding groove in the back surface of the seat, a spiral lead screw is rotatably mounted in the sliding groove in the middle of the back surface of the seat, a handle is rotatably mounted at the upper part of the sliding groove in the back surface of the seat, a fixing device is fixedly mounted in the dining table plate main body, a dining table plate is rotatably mounted on the side surface of the fixing device, a second magnetic strip is fixedly mounted at the edge of two ends of the upper surface of the dining table plate, a clamping groove is formed in the side end surface of the dining table plate, a connecting shaft is fixedly mounted in the clamping groove, a limiting, the upper surface of the limiting plate is fixedly connected with a shaft sleeve, and the edges of the two ends of the limiting plate are fixedly connected with clamping blocks.

The outer port of the sliding groove is fixedly connected with dustproof folding cloth, and the other end of the dustproof folding cloth is fixedly connected with the side end face of the dining table plate main body.

Preferably, the handle is fixedly sleeved on the outer surface of the spiral screw rod.

Preferably, the upper surface of the connecting block is provided with a threaded hole.

Preferably, the fixing device is rotatably connected with the dining table board through a shaft sleeve and a connecting shaft.

Preferably, the two ends of the upper surface of the limiting plate are clamped with the bottom end of the side surface of the dining table plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can prevent passengers from touching and play a role of dust prevention through the dustproof plaiting fixedly connected with the outer port of the chute, the other end of the dustproof plaiting is fixedly connected with the side end face of the dining table board main body, so that the dining table board main body can drive the dustproof plaiting to stretch up and down when moving, thereby the dustproof plaiting can cover the chute constantly, the handle is fixedly sleeved on the outer surface of the spiral screw rod, thereby being beneficial for the passengers to adjust the rotation of the spiral screw rod, thereby being convenient for adjusting the height of the dining table board main body, the threaded hole arranged on the upper surface of the connecting block can rotate spirally relative to the spiral screw rod when the spiral screw rod rotates, thereby the connecting block moves up and down on the outer surface of the spiral screw rod, the fixing device is rotatably connected with the dining table board through the shaft sleeve and the connecting shaft, and the two ends of the upper surface of the, thereby preventing the dining table board from continuously rotating downwards by taking the shaft sleeve as the axis.

Drawings

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

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

FIG. 3 is a schematic view of the main structure of the dining table board of the present invention;

FIG. 4 is a schematic view of the dining table board structure of the present invention;

fig. 5 is a schematic structural view of the fixing device of the present invention.

In the figure: the dining table comprises a seat 1, a dining table plate 2, a dining table plate main body 3, a sliding groove 4, a handle 5, a first magnetic stripe 6, a dustproof folded cloth 6, a spiral screw rod 7, a dining table plate 8, a fixing device 9, a second magnetic stripe 10, a connecting shaft 11, a clamping groove 12, a shaft sleeve 13, a limiting plate 14, a connecting block 15, a threaded hole 16 and a clamping block 17.

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 an embodiment: a height-adjustable lightweight high-speed rail backrest dining table plate comprises a seat 1 and a dining table plate main body 2, wherein the dining table plate main body 2 is slidably mounted on the back surface of the seat 1, a chute 3 is formed in the back surface of the seat 1, a first magnetic strip 5 is fixedly mounted on the edge of the chute 3 on the back surface of the seat 1, a spiral lead screw 7 is rotatably mounted in the chute 3 in the middle of the back surface of the seat 1, a handle 4 is rotatably mounted on the upper portion of the chute 3 on the back surface of the seat 1, a fixing device 9 is fixedly mounted in the dining table plate main body 2, a dining table plate 8 is rotatably mounted on the side surface of the fixing device 9, second magnetic strips 10 are fixedly mounted on the edges of two ends of the upper surface of the dining table plate 8, a clamping groove 12 is formed in the side end surface of the dining table plate 8, a connecting shaft 11 is fixedly mounted in the, the upper surface of the limiting plate 14 is fixedly connected with the shaft sleeve 13, and the edges of the two ends of the limiting plate 14 are fixedly connected with the clamping blocks 17.

The outer port of the sliding chute 3 is fixedly connected with a dustproof plait 6, the other end of the dustproof plait 6 is fixedly connected with the side end face of the dining table plate main body 2, the handle 4 is fixedly sleeved on the outer surface of the spiral screw rod 7, the upper surface of the connecting block 15 is provided with a threaded hole 16, the fixing device 9 is rotatably connected with the dining table plate 8 through a shaft sleeve 13 and a connecting shaft 11, and two ends of the upper surface of the limiting plate 14 are connected with the bottom end of the side face of the dining table plate 8 in a clamping mode.

The working principle is as follows: when the dining table is not used, the dining table plate 8 is attracted with the first magnetic stripe 5 on the back surface of the seat 1 through the second magnetic stripe 10 on the upper surface, so that passengers can not block the passengers from coming in and going out, when the dining table is used, the upper part of the dining table plate 8 is pulled by external force, the chair 1 can be separated from the dining table plate 8 by slightly applying force to ensure that the pulling force is greater than the magnetic attraction force of the first magnetic stripe 5 and the second magnetic stripe 10, when the dining table plate 8 is separated from the seat 1, the dining table plate 8 can rotate by taking the shaft sleeve 13 as an axis until the axis is vertical to the back surface of the seat 1, the dining table plate 8 cannot continue to rotate under the clamping of the limiting plate 14, then when the height is adjusted, the grip 4 is positively rotated by external force, the spiral screw rod 7 is driven to rotate when the grip 4 rotates, when the spiral screw rod 7 rotates, the spiral rod 7 and can generate relative spiral rotation with the threaded hole 16 on the upper, reach the high back of needs, stop the rotation to handle 4, then counter-rotation handle 4 when turning down, handle 4 can drive screw rod 7 when rotating and rotate, screw rod 7 can take place relative spiral rotation with the screw hole 16 of connecting block 15 upper surface when rotating, thereby make connecting block 15 along screw rod 7 at the inside downstream of spout 3, reach the high back of needs, stop to the rotation of handle 4 can, no matter when turning up or turning down, dustproof folding cloth 6 all can upwards shrink or shrink downwards under the drive of dining table board main part 2, all can cover spout 3 all the time and prevent the passenger touching.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a height-adjustable's lightweight high-speed railway back dining table board, includes seat (1) and dining table board main part (2), its characterized in that: the dining table plate comprises a dining table plate main body (2), a sliding groove (3) is formed in the back of a seat (1), a first magnetic strip (5) is fixedly installed at the edge of the sliding groove (3) at the back of the seat (1), a spiral lead screw (7) is installed in the middle of the back of the seat (1) in the internal rotation mode of the sliding groove (3), a handle (4) is installed in the upper portion of the sliding groove (3) at the back of the seat (1) in the rotating mode, a fixing device (9) is fixedly installed in the internal portion of the dining table plate main body (2), a dining table plate (8) is installed in the lateral rotating mode of the fixing device (9), a second magnetic strip (10) is fixedly installed at the edge of the two ends of the upper surface of the dining table plate (8), a clamping groove (12) is formed in the side end face of the dining table plate (8), and a connecting shaft (, the inside fixed mounting of fixing device (9) has limiting plate (14), the middle part external surface fixedly connected with connecting block (15) of limiting plate (14), the last fixed surface of limiting plate (14) is connected with axle sleeve (13), limiting plate (14) both ends edge fixedly connected with joint piece (17).

2. The height-adjustable lightweight high-speed rail backrest dining table plate as claimed in claim 1, wherein: the outer port of the sliding chute (3) is fixedly connected with a dustproof folding cloth (6), and the other end of the dustproof folding cloth (6) is fixedly connected with the side end face of the dining table board main body (2).

3. The height-adjustable lightweight high-speed rail backrest dining table plate as claimed in claim 1, wherein: the handle (4) is fixedly sleeved on the outer surface of the spiral screw rod (7).

4. The height-adjustable lightweight high-speed rail backrest dining table plate as claimed in claim 1, wherein: the upper surface of the connecting block (15) is provided with a threaded hole (16).

5. The height-adjustable lightweight high-speed rail backrest dining table plate as claimed in claim 1, wherein: the fixing device (9) is rotatably connected with the dining table plate (8) through a shaft sleeve (13) and a connecting shaft (11).

6. The height-adjustable lightweight high-speed rail backrest dining table plate as claimed in claim 1, wherein: the two ends of the upper surface of the limiting plate (14) are clamped with the bottom end of the side surface of the dining table plate (8).