CN216943074U

CN216943074U - Folding seat in subway vehicle passenger room

Info

Publication number: CN216943074U
Application number: CN202220904104.5U
Authority: CN
Inventors: 周琳; 陈容红
Original assignee: Beijing Polytechnic
Current assignee: Beijing Polytechnic
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-12
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to a folding seat in a passenger room of a subway vehicle, which is arranged on a side wall in a carriage and comprises a seat main body fixedly connected to the vertical end of the side wall, wherein the lower part of the seat main body is connected with a sliding plate in a sliding manner, the lower part of the seat main body is fixedly connected with two inner rods arranged in parallel, the two inner rods are arranged on the inner side of the sliding plate, and the sliding plate can slide relative to the two inner rods. According to the foldable seat in the passenger room of the subway vehicle, the sliding plate is connected with the lower part of the seat main body in a sliding manner, so that when an adult takes a child to take a subway, the adult sits on the seat main body and the child sits on the sliding plate at the lower part of the seat main body, the adult can conveniently look after the child, and the safety of taking the subway is improved.

Description

Foldable seat in subway vehicle passenger room

Technical Field

The utility model relates to the technical field of rail transit, in particular to a folding seat in a subway vehicle passenger room.

Background

The subway is a rapid, large-traffic and electric power traction rail transit built in cities. The train runs on a totally closed line, the line located in a central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, and the subway is an urban rail transit system which covers various underground and overground rights of roads in the urban area, has high density and high transportation capacity.

Most of the existing seats in the subway are of fixed structures, so that when an adult takes a child to sit on the subway, the child can sit on the seats directly, because the seats are arranged side by side, the child can easily swing left and right when the subway is started and stopped, the seats are unstable to sit and stand, the child cannot be conveniently cared by the adult, safety accidents are easy to happen, the child can bear legs of the adult again when sitting on the legs of the child, the legs of the adult are prone to numbness after the child sits for a long time, and therefore the technology needs to be improved.

Disclosure of Invention

The utility model provides a folding seat in a subway vehicle passenger room, which enables an adult and a child to sit down simultaneously and facilitates the adult to take care of the child.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a collapsible seat in subway vehicle passenger room, the lateral wall department in the installation carriage, including the vertical seat main part of serving of fixed connection at the lateral wall, the lower part sliding connection of seat main part has the slide, and the interior pole of two parallel arrangement of lower part fixedly connected with of seat main part, and two interior poles arrange the inboard of slide in, the slide can slide in two interior poles relatively.

As a further improvement, the bottom end of the sliding plate is rotatably connected with two gear discs and two idler wheels, each gear disc corresponds to one inner rod, the lower end face of the end part of each inner rod is fixedly connected with a clamping rack, and the clamping racks can be meshed with tooth surfaces on the gear discs.

As a further improvement, a connecting rod is arranged between the gear disc and the idler wheel on the same side, and two ends of the connecting rod are correspondingly in transmission connection with the gear disc and the idler wheel through the adapter rod respectively.

As a further improvement, the lower part of the seat main body is connected with a fixing plate, the vertical end face of the fixing plate is vertically and fixedly connected with the inner rod, and the lower end face of the end part of the inner rod far away from the fixing plate is fixedly connected with the clamping rack.

As a further improvement, the top of the sliding plate is provided with a limiting block, the top of the limiting block is abutted against the lower part of the seat main body, and after the sliding plate is dragged out along the inner rod, the limiting block is clamped at the outer end part of the seat main body so as to limit the sliding plate.

As a further improvement, the outer sides of the two gear discs are fixedly connected with rear supporting legs, and the outer sides of the two rollers are fixedly connected with front supporting legs.

As a further improvement, an extension spring is connected between the fixed plate and the sliding plate.

As a further improvement, the outer sides of the gear disc and the rollers are respectively provided with a support, and the rear support leg and the front support leg are respectively and fixedly connected to the center of the bottom of the corresponding support.

As a further improvement, the sliding plate is of a T-shaped structure.

As a further improvement, the seat body comprises a horizontal bearing plate and a vertical mounting plate integrally formed with the horizontal bearing plate, the vertical mounting plate is fixedly connected to the vertical end of the side wall, and the lower part of the horizontal bearing plate is slidably connected with the sliding plate.

The technical scheme of the utility model has the following beneficial effects: according to the foldable seat in the passenger room of the subway vehicle, the sliding plate is connected with the lower part of the seat main body in a sliding manner, so that when an adult takes a child to take a subway, the adult sits on the seat main body and the child sits on the sliding plate at the lower part of the seat main body, the adult can conveniently look after the child, and the safety of taking the subway is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a foldable seat in a passenger compartment of a subway vehicle according to the present invention;

FIG. 2 is a bottom view of the slide plate of the folding seat in the passenger compartment of the subway vehicle of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional configuration of a foldable seat for use in a passenger compartment of a subway vehicle according to the present invention;

description of reference numerals: 1. a carriage; 2. a seat; 3. a slide plate; 4. a rear leg; 5. a front leg; 6. a fixing plate; 7. an inner rod; 8. an extension spring; 9. a gear plate; 10. a roller; 11. a connecting rod; 12. a transfer lever; 13. a support; 14. a rack clamping bar; 15. a groove; 16. a limiting block; 17. compressing the spring.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the drawings and examples.

Referring to fig. 1 to 3, the foldable seat for a subway vehicle passenger compartment disclosed by the present invention is installed at a side wall 1 in a compartment, and specifically includes a seat body 2 fixedly connected to a vertical end of the side wall 1, a sliding plate 3 is slidably connected to a lower portion of the seat body 2, preferably, the sliding plate 3 has a T-shaped structure when viewed from above, the seat body 2 includes a horizontal bearing plate and a vertical mounting plate integrally formed with the horizontal bearing plate, the vertical mounting plate is fixedly connected to the vertical end of the side wall 1, and the sliding plate 3 is slidably connected to a lower portion of the horizontal bearing plate.

An inner rod 7 is fixedly connected to the lower portion of a horizontal bearing plate of the seat 2, the inner rod 7 is arranged on the inner side of the sliding plate 3, the sliding plate 3 can slide relative to the inner rod 7, two preferable inner rods 7 are arranged and placed in parallel, the bottom end of the sliding plate 3 is rotatably connected with two gear discs 9 and two rollers 10, and each gear disc 9 corresponds to one inner rod 7.

Referring to fig. 2, the outer side of each gear plate 9 is fixedly connected with a rear leg 4, the outer side of each roller 10 is fixedly connected with a front leg 5, and the lengths of the front leg 5 and the rear leg 4 are equal to the height of the horizontal bearing plate from the ground in the carriage. The gear disc 9 and the roller 10 which are positioned at the same side rotate synchronously, the front supporting leg 5 and the rear supporting leg 4 at the initial position are both arranged parallel to the ground, the front supporting leg 5 and the rear supporting leg 4 are both vertical to the ground in the carriage when the sliding plate 3 moves to the maximum stroke, the lower part of the horizontal bearing plate of the seat main body 2 is connected with a fixed plate 6, the vertical end surface of the fixed plate 6 is vertically and fixedly connected with the inner rod 7, the lower end surface of the end part of the inner rod 7 far away from the fixed plate 6 is fixedly connected with a clamping rack 14, and the rack 14 can be engaged with the tooth surface of the gear wheel 9, in this embodiment, the length of the rack 14 is equal to half of the circumference of the gear wheel 9, when the sliding plate 3 moves away from the fixed plate 6 and slides along the inner rod 7, the gear wheel 9 is engaged with the latch rack 14, the gear plate 9 is rotated counterclockwise, so that the rear support leg 4 is rotated counterclockwise by 90 ° and supported to the ground in the vehicle compartment.

An extension spring 8 is connected between the fixed plate 6 and the sliding plate 3, so that the sliding plate 3 can automatically reset relative to the fixed plate 6 along the inner rod 7, a connecting rod 11 is arranged between the gear disc 9 and the roller 10 which are positioned on the same side, two ends of the connecting rod 11 are respectively connected with the gear disc 9 and the roller 10 through a transmission rod 12, the two connecting rods 12 on the same side are always arranged in parallel, an included angle between the initial position of the connecting rod 12 and the horizontal direction is 45 degrees, the connecting rod 11 is always arranged horizontally, when the gear disc 9 rotates, the roller 10 on the same side with the gear disc 9 is driven to rotate through the connecting rod 11 and the connecting rod 12, so that the gear disc 9 and the roller 10 synchronously rotate, the supports 13 are sleeved on the outer sides of the gear disc 9 and the roller 10, the rear support leg 4 and the front support leg 5 are respectively fixedly connected to the central positions of the bottoms of the corresponding supports 13, and the preferred connecting rod 12 is rotatably connected with one side of the supports 13, the other side of the bracket 13 is fixedly connected with the corresponding gear disc 9 and the corresponding roller 10, so that the bracket 13 and the gear disc 9 can rotate synchronously, and the angle adjustment of the front supporting leg 5 and the rear supporting leg 4 is realized.

Referring to fig. 3, a limiting block 16 is disposed on the top of the sliding plate 3, the top of the limiting block 16 abuts against the lower portion of the horizontal bearing plate of the seat body 2, when the sliding plate 3 is pulled out along the inner rod 7, the limiting block 16 is clamped at the outer end portion of the horizontal bearing plate of the seat body 2 to limit the sliding plate 3, specifically, a groove 15 is disposed on the top of the sliding plate 3, the limiting block 16 is rotatably connected to the inner side of the groove 15, the bottom of the limiting block 16 is elastically connected to the inner wall of the groove 15 through an extrusion spring 17, the preferred limiting block 16 is in a right-angled triangle structure from the side, the top of the groove 15 is in a parallel structure with the right-angled triangle, so as to limit the limiting block 16, when the limiting block 16 protrudes out of the sliding plate 3, the lower end of the limiting block 16 is disposed horizontally, the top of the limiting block 16 is in an arc-surface structure, and the preferred top of the limiting block 16 is provided with a rotating roller, to further reduce the friction with the horizontal carrier plate of the seat body 2.

The operating principle of the foldable seat in the subway vehicle passenger room of the embodiment of the application is as follows: when the folding chair is needed, the sliding plate 3 is pulled towards the outer side of the seat main body 2, when the folding chair is pulled to a position close to the end, the tooth surface of the gear disc 9 is meshed with the clamping rack 14 below the end part of the inner rod 7, the gear disc 9 rotates anticlockwise, under the action of the connecting rod 11 and the adapter rod 12, the gear disc 9 and the roller 10 rotate synchronously, the adapter rod 12 and the gear disc 9 in front rotate synchronously in the same direction, so that the support 13 is driven by matching with the adapter rod 12, the rear support leg 4 and the front support leg 5 below the support 13 move to be vertical to the ground in the carriage, at the moment, the two groups of rear support legs 4 and the front support leg 5 are vertical to the ground of the carriage, the supporting effect on the sliding plate 3 is realized, the stability of the sliding plate 3 when a child sits on the sliding plate 3 is ensured, when the sliding plate 3 is completely pulled out, the extrusion spring 17 pushes the limit block 16 upwards, and the side of the limit block 16 popping up the sliding plate 3 is attached to the side of the sliding plate 3, and stopper 16 card is established at the outer tip of the horizontal loading board of main part 2 to realize the length restriction to slide 3, the T shape structure of slide 3, make the child not only can sit the position towards the direction of seat main part 2 with the leg, also can sit the position towards the direction of keeping away from seat 2 with the leg, promote the freedom of choosing to sit the position, when needing to fold slide 3, press stopper 16 to the inboard of slide 3, realize slide 3 after spacing, under extension spring 8's effect, automatically, slide along the horizontal loading board lower part of seat main part 2, when sliding to initial position department, accomplish the convenient storage of slide 3 promptly and reset, two sets of back landing legs 4 and front landing leg 5 all rotate to horizontal position department simultaneously, avoid causing the influence to the article of placing below seat main part 2, promote the practicality of collapsible seat.

In summary, according to the foldable seat in the passenger compartment of the subway vehicle, the sliding plate is connected with the lower part of the seat main body in a sliding manner, so that when an adult takes a child to take a subway, the adult sits on the seat main body and the child sits on the sliding plate 3 at the lower part of the seat main body, the adult can conveniently look after the child, and the safety of taking the subway is improved. Specifically for the inboard through the slide sets up rather than the interior pole that inlays that slides each other, when carrying out certain support to the slide, meshing transmission between the latch bar of its tip and the toothed disc, toothed disc and gyro wheel rotate in step under the effect of connecting rod, and then two sets of landing legs carry out the rotation of synchronous syntropy, realize receiving and releasing in step to two sets of landing legs, the landing leg supports the slide when perpendicular to ground, landing leg initial position is on a parallel with ground, reduce the influence to seat below space, promote the suitability of collapsible seat.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a collapsible seat in subway vehicle passenger room, lateral wall (1) department in the installation carriage, includes seat main part (2) of fixed connection on the vertical end of lateral wall (1), its characterized in that: the lower part of the seat main body (2) is connected with a sliding plate (3) in a sliding manner, the lower part of the seat main body (2) is fixedly connected with two inner rods (7) which are arranged in parallel, the two inner rods (7) are arranged on the inner side of the sliding plate (3), and the sliding plate (3) can slide relative to the two inner rods (7).

2. A foldable seat in a passenger compartment of a subway vehicle as claimed in claim 1, wherein: the bottom of slide (3) is rotated and is connected with two toothed disc (9) and two gyro wheels (10), and each toothed disc (9) corresponds with interior pole (7), terminal surface fixedly connected with card rack (14) under the tip of interior pole (7), and card rack (14) can with the flank of tooth meshing on the toothed disc (9).

3. A foldable seat in a passenger compartment of a subway vehicle as claimed in claim 2, wherein: a connecting rod (11) is arranged between the gear disc (9) and the roller (10) at the same side, and two ends of the connecting rod (11) are correspondingly connected with the gear disc (9) and the roller (10) in a transmission way through a transfer rod (12).

4. A foldable seat in a passenger compartment of a subway vehicle as claimed in claim 2, wherein: the lower portion of the seat body (2) is connected with a fixing plate (6), the vertical end face of the fixing plate (6) is fixedly connected with the inner rod (7) perpendicularly, and the lower end face of the end portion of the inner rod (7) far away from the fixing plate (6) is fixedly connected with the clamping rack (14).

5. A foldable seat in a passenger compartment of a subway vehicle as claimed in claim 2, wherein: the top of slide (3) is provided with stopper (16), and the top of stopper (16) supports and leans on to seat main part (2) lower part, drags out the back when slide (3) along interior pole (7), and stopper (16) card is established at seat main part (2) outer tip to it is spacing to slide (3).

6. A foldable seat in a passenger compartment of a metro vehicle according to claim 2, wherein: the outer sides of the two gear discs (9) are fixedly connected with rear supporting legs (4) and the outer sides of the two rollers (10) are fixedly connected with front supporting legs (5).

7. A foldable seat in a passenger compartment of a subway vehicle as claimed in claim 4, wherein: an extension spring (8) is connected between the fixed plate (6) and the sliding plate (3).

8. The foldable seat in a passenger compartment of a subway vehicle as claimed in claim 6, wherein: support (13) are all installed in toothed disc (9) with the outside of gyro wheel (10), back landing leg (4) with preceding landing leg (5) fixed connection respectively in support (13) bottom central point department that corresponds.

9. A foldable seat in a passenger compartment of a subway vehicle as claimed in claim 1, wherein: the sliding plate (3) is of a T-shaped structure.

10. A foldable seat in a passenger compartment of a subway vehicle as claimed in claim 1, wherein: the seat body (2) comprises a horizontal bearing plate and a vertical mounting plate integrally formed with the horizontal bearing plate, the vertical mounting plate is fixedly connected to the vertical end of the side wall (1), and the lower portion of the horizontal bearing plate is slidably connected with the sliding plate (3).