CN210733908U

CN210733908U - Bus chair convenient to change bill-board

Info

Publication number: CN210733908U
Application number: CN201921512500.8U
Authority: CN
Inventors: 张力尹
Original assignee: Guangzhou Yuanyuan New Energy Technology Co Ltd
Current assignee: Guangzhou Yuanyuan New Energy Technology Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-12
Anticipated expiration: 2029-09-12

Abstract

The utility model belongs to the technical field of public transit equipment, especially, be a public transit chair convenient to change bill-board, which comprises a seat board, fixed mounting has the backplate on the bedplate, one side of backplate is seted up flutedly, slidable mounting has the top to be equipped with open-ended transparent plastic board in the recess, the draw-in groove has been seted up to transparent plastic board's bottom, first spout has been seted up on the bottom inner wall of recess, slidable mounting has the fixture block in the first spout, the top of fixture block extend to in the draw-in groove and with draw-in groove sliding connection, the bottom fixed mounting of fixture block has first spring, the bottom of first spring and the bottom inner wall fixed connection of first spout, the jack has been seted up to one side of fixture block. The utility model is simple in operation, convenient to use compares in original screw fixation, can change the bill-board more quickly to the change speed of bill-board has been improved to a qualified extent.

Description

Bus chair convenient to change bill-board

Technical Field

The utility model relates to a public transit equipment technical field especially relates to a public transit chair convenient to change bill-board.

Background

The bus seat is a seat specially arranged on a bus, the bus seat is mainly used for facilitating rest of passengers, but the value of the bus seat is not only the value, but also posters or billboards can be pasted on a plurality of buses, the most common area is the backrest of the bus seat, the billboard on the bus seat is mainly covered by a transparent plastic plate, and then the transparent plastic plate and the backrest of the bus seat are fixed together through screws.

However, in the prior art, although the fixing mode is stable, when the billboard is replaced, all the screws need to be unscrewed, which wastes time and labor and affects the replacement efficiency, thereby providing a bus chair convenient for replacing the billboard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bus chair convenient for replacing a billboard.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a bus chair convenient for replacing advertising boards comprises a seat board, wherein a back board is fixedly mounted on the seat board, a groove is formed in one side of the back board, a transparent plastic board with an opening at the top is slidably mounted in the groove, a clamping groove is formed in the bottom of the transparent plastic board, a first sliding groove is formed in the inner wall of the bottom of the groove, a clamping block is slidably mounted in the first sliding groove, the top of the clamping block extends into the clamping groove and is in sliding connection with the clamping groove, a first spring is fixedly mounted at the bottom of the clamping block, the bottom end of the first spring is fixedly connected with the inner wall of the bottom of the first sliding groove, a jack is formed in one side of the clamping block, a sliding hole is formed in one side of the first sliding groove, four second sliding grooves which are distributed in a rectangular shape are formed in the inner wall of one side of the groove, a sliding rod is slidably mounted in the second, the sliding sleeve is provided with a second spring in a sliding mode, one end of the second spring is in contact with the transparent plastic plate, and the other end of the second spring is in contact with the inner wall of one side of the groove.

Preferably, a third sliding groove is formed in the inner wall of one side of the first sliding groove, a first sliding block is arranged in the third sliding groove in a sliding mode, and one end of the first sliding block extends out of the third sliding groove and is fixedly connected with the clamping block.

Preferably, a fourth sliding groove is formed in the top and the bottom of the sliding rod, a second sliding block is arranged in the fourth sliding groove in a sliding mode, and one end, far away from each other, of each of the two second sliding blocks extends to the outside of the fourth sliding groove and is fixedly connected with the inner wall of the second sliding groove.

Preferably, a limiting block is fixedly mounted on the inner wall of one side of the groove, and a slot is formed in the top end of the transparent plastic plate.

Preferably, the stiffness coefficient of the first spring is in a range of 15N/m to 60/m, and the stiffness coefficient of the second spring is in a range of 20N/m to 70N/m.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device passes through the transparent plastic board, the draw-in groove, the fixture block, first spring, the jack, the slide opening and second spring cooperate, insert the jack through dedicated inserted bar from the slide opening, then drive the fixture block gliding along the slide opening, the fixture block withdraws from the draw-in groove when extrudeing first spring, the fixed of fixture block has been lost, whole transparent plastic board slides out the recess outside the promotion of second spring, can change the bill-board in the transparent plastic board this moment, the design of jack and slide opening is in order to prevent that the transparent plastic board from being opened by the people at will.

The utility model is simple in operation, convenient to use compares in original screw fixation, can change the bill-board more quickly to the change speed of bill-board has been improved to a qualified extent.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of portion A of FIG. 1;

fig. 3 is a schematic top sectional view of the present invention;

fig. 4 is a schematic cross-sectional structure view of a portion B in fig. 3.

In the figure: 1. a seat plate; 2. a back plate; 3. a groove; 4. a transparent plastic plate; 5. a card slot; 6. a first chute; 7. a clamping block; 8. a first spring; 9. a jack; 10. a slide hole; 11. a second chute; 12. a slide bar; 13. a second spring.

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. 1-4, the present invention provides a technical solution: a bus chair convenient for replacing advertising boards comprises a seat board 1, a back board 2 is fixedly installed on the seat board 1, a groove 3 is formed in one side of the back board 2, a transparent plastic board 4 with an opening at the top is installed in the groove 3 in a sliding mode, a clamping groove 5 is formed in the bottom of the transparent plastic board 4, a first sliding groove 6 is formed in the inner wall of the bottom of the groove 3, a clamping block 7 is installed in the first sliding groove 6 in a sliding mode, the top of the clamping block 7 extends into the clamping groove 5 and is connected with the clamping groove 5 in a sliding mode, a first spring 8 is fixedly installed at the bottom of the clamping block 7, the bottom end of the first spring 8 is fixedly connected with the inner wall of the bottom of the first sliding groove 6, a jack 9 is formed in one side of the clamping block 7, a sliding hole 10 is formed in one side of the first sliding groove 6, four second sliding grooves 11 which are distributed in a rectangular mode are formed in the inner wall of, a second spring 13 is slidably sleeved on the sliding rod 12, one end of the second spring 13 is in contact with the transparent plastic plate 4, and the other end of the second spring 13 is in contact with the inner wall of one side of the groove 3;

a third sliding groove is arranged on the inner wall of one side of the first sliding groove 6, a first sliding block is arranged in the third sliding groove in a sliding manner, one end of the first sliding block extends out of the third sliding groove and is fixedly connected with a clamping block 7, a fourth sliding groove is arranged at the top and the bottom of the sliding rod 12, a second sliding block is arranged in the fourth sliding groove in a sliding manner, the ends, far away from each other, of the two second sliding blocks extend out of the fourth sliding groove and is fixedly connected with the inner wall of the second sliding groove 11, a limiting block is fixedly arranged on the inner wall of one side of the groove 3, a slot is arranged at the top end of the transparent plastic plate 4, the stiffness coefficient range of the first spring 8 is 15N/m to 60/m, the stiffness coefficient range of the second spring 13 is 20N/m to 70N/m, the first sliding block is inserted into the slot 9 from the sliding hole 10 through a special inserting rod, then drive fixture block 7 gliding along slide opening 10, fixture block 7 withdraws from draw-in groove 5 when extrudeing first spring 8, has lost fixture block 7's fixed, and whole transparent plastic board 4 outside roll-off recess 3 under the promotion of second spring 13, can change the bill-board in the transparent plastic board 4 this moment, and the design of jack 9 and slide opening 10 is in order to prevent that transparent plastic board 4 from being artificially opened at will, the utility model is simple in operation, convenient to use compares in original screw fixation, can be more quick change the bill-board to the change speed of bill-board has been improved on a take the place to one degree.

The working principle is as follows: when needs are changed the bill-board, insert jack 9 from slide opening 10 through dedicated inserted bar, then drive fixture block 7 gliding along slide opening 10, fixture block 7 withdraws from draw-in groove 5 when extrudeing first spring 8, the fixed of fixture block 7 has been lost, outside whole transparent plastic plate 4 roll-off recess 3 under the promotion of second spring 13, can change the bill-board in the transparent plastic plate 4 this moment, in pushing into recess 3 with transparent plastic plate 4 after the completion of changing, make draw-in groove 5 and fixture block 7 block again, thereby accomplished and changed work to the bill-board.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism and the control system of the device are not completely described, and those skilled in the art can clearly know the specifics of the power mechanism and the control system thereof on the premise that those skilled in the art understand the principle of the present invention.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bus chair convenient to change bill-board, includes bedplate (1), its characterized in that: the novel shoe sole is characterized in that a backboard (2) is fixedly installed on the seat board (1), a groove (3) is formed in one side of the backboard (2), a transparent plastic plate (4) with an opening formed in the top is installed in the groove (3) in a sliding mode, a clamping groove (5) is formed in the bottom of the transparent plastic plate (4), a first sliding groove (6) is formed in the inner wall of the bottom of the groove (3), a clamping block (7) is installed in the first sliding groove (6) in a sliding mode, the top of the clamping block (7) extends into the clamping groove (5) and is in sliding connection with the clamping groove (5), a first spring (8) is fixedly installed at the bottom of the clamping block (7), the bottom end of the first spring (8) is fixedly connected with the inner wall of the bottom of the first sliding groove (6), an inserting hole (9) is formed in one side of the clamping block (, offer four second spout (11) that are the rectangle and distribute on the one side inner wall of recess (3), slidable mounting has slide bar (12) in second spout (11), the one end of slide bar (12) extend to second spout (11) outer and with transparent plastic board (4) fixed connection, the sliding sleeve is equipped with second spring (13) on slide bar (12), the one end and the transparent plastic board (4) of second spring (13) contact, the other end and the one side inner wall of recess (3) of second spring (13) contact.

2. The bus chair convenient for replacing the advertising board as claimed in claim 1, wherein: a third sliding groove is formed in the inner wall of one side of the first sliding groove (6), a first sliding block is arranged in the third sliding groove in a sliding mode, and one end of the first sliding block extends to the outside of the third sliding groove and is fixedly connected with the clamping block (7).

3. The bus chair convenient for replacing the advertising board as claimed in claim 1, wherein: the top and the bottom of slide bar (12) have all been seted up the fourth spout, slidable mounting has the second slider in the fourth spout, and the one end that two second sliders kept away from each other all extends outside the fourth spout and with the inner wall fixed connection of second spout (11).

4. The bus chair convenient for replacing the advertising board as claimed in claim 1, wherein: a limiting block is fixedly mounted on the inner wall of one side of the groove (3), and a slot is formed in the top end of the transparent plastic plate (4).

5. The bus chair convenient for replacing the advertising board as claimed in claim 1, wherein: the stiffness coefficient of the first spring (8) ranges from 15N/m to 60/m, and the stiffness coefficient of the second spring (13) ranges from 20N/m to 70N/m.