Bus plastic seat back plate

Abstract

The utility model discloses a bus plastic seat back plate, which comprises a plastic back plate and a bottom mounting seat, the plastic back plate is arranged at the upper end of the bottom mounting seat, the bottom mounting seat is fixed with a bus seat mounting seat, and the outer edge of the plastic back plate is provided with a back plate outer frame; a connecting plate is arranged at the lower end of the backboard outer frame, a connecting block is arranged at the lower end of the connecting plate, a mounting plate is arranged at the lower end of the connecting block, and by arranging an iron sheet and a magnetic suction plate, when a limiting column is inserted into a positioning groove, the magnetic suction plate can be attracted by the iron sheet for fixed connection, so that the plastic backboard can be conveniently disassembled; a handle and an auxiliary pull groove are arranged, so that the plastic back plate can be disassembled and moved conveniently, and the applicability and the convenient effect of the plastic back plate are improved; and the limiting columns, the mounting grooves, the embedded grooves, the embedded plates and the positioning grooves are matched for use, so that the stability of the plastic back plate is kept, and the safety of the product is better protected.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic seats for buses, and specifically relates to a plastic seat backboard for buses. Background Art

[0002] In the related art, a seat is a kind of seat with a backrest and some with armrests. In ancient times, people sat on the ground and there were no chairs. "Chair" is the name of wood. According to the classification of use: airport seats, car seats, bus seats, family seats, restaurant seats, child safety seats, leisure seats, etc., according to the classification of materials: aluminum alloy seats, stainless steel seats, iron seats, wooden seats, and seats made of other materials, etc., and injection molded seats can be easily and quickly installed on this basis.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] When installing the existing seat back panel, the seat lean rod is directly inserted into the fixing sockets on the left and right fixing cylinders of the back panel, and then locked directly by locking bolts. This installation and fixing method easily causes the seat lean rod to loosen inside the fixing socket, which will cause the installed plastic back panel to shake when in use, thereby affecting the comfort of the seat back panel and making it difficult to disassemble. Utility Model Content

[0005] The utility model aims to provide a plastic seat back plate for a bus to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic seat backboard for a bus, comprising a plastic backboard and a bottom mounting seat, wherein the plastic backboard is arranged at the upper end of the bottom mounting seat, the bottom mounting seat is fixed to the bus seat mounting seat, and the outer edge of the plastic backboard is provided with a backboard outer frame; a connecting plate is provided at the lower end of the backboard outer frame, a connecting block is provided at the lower end of the connecting plate, a mounting plate is provided at the lower end of the connecting block, a limiting column is provided at the lower end of the mounting plate, the limiting column is in a certain number, and an iron sheet is provided at the lower end of the limiting column in the middle; a mounting groove is provided at the upper side of the bottom mounting seat, an embedded groove is provided at the lower end of the mounting groove, an embedded plate is provided inside the mounting groove, the bottom end of the embedded plate is matched with the embedded groove, a magnetic plate is provided at the lower end of the embedded plate, and the position of the magnetic plate corresponds to the position of the iron sheet; a plurality of positioning grooves are provided on the embedded plate, the limiting column is inserted into the positioning groove, and the iron sheet is magnetically connected to the magnetic plate.

[0007] Preferably, a handle is provided at the upper end of the plastic back plate.

[0008] Preferably, reinforcing plates are longitudinally provided on the front and rear side walls of the plastic back plate, and the side walls of the reinforcing plates are fixedly connected to the back plate outer frame.

[0009] Preferably, an auxiliary groove is provided on the upper side of the plate wall of the plastic back plate, and a plurality of air holes are provided on the plate wall of the plastic back plate.

[0010] Preferably, the back panel outer frame and the plastic back panel are snap-connected or integrally formed.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model arranges an iron sheet and a magnetic plate, and when the limit column is inserted into the positioning groove, the iron sheet can adsorb the magnetic plate for fixed connection, which can facilitate the disassembly of the plastic back panel, and the arranged handle and auxiliary pulling groove can facilitate the operation when disassembling and moving the plastic back panel, thereby increasing the applicability and convenience of the plastic back panel; the arranged limit column, installation groove, embedded groove, embedded plate and positioning groove are used in combination to maintain the stability of the plastic back panel and better protect the safety of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a main schematic diagram of the utility model;

[0013] Figure 2 It is a top view schematic diagram of the utility model.

[0014] In the figure: 1. Plastic back panel; 2. Bottom mounting seat; 3. Back panel frame; 4. Connecting plate; 5. Connecting block; 6. Mounting plate; 7. Limiting column; 8. Iron sheet; 9. Mounting slot; 10. Embedded slot; 11. Embedded plate; 12. Magnetic plate; 13. Positioning slot; 14. Handle; 15. Reinforcement plate; 16. Auxiliary groove; 17. Air vent. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-2The utility model provides a technical solution: a plastic seat backboard for a bus, comprising a plastic backboard 1 and a bottom mounting seat 2, wherein the plastic backboard 1 is arranged at the upper end of the bottom mounting seat 2, the bottom mounting seat 2 is fixed to the bus seat mounting seat, and a backboard outer frame 3 is arranged at the outer edge of the plastic backboard 1; a connecting plate 4 is arranged at the lower end of the backboard outer frame 3, a connecting block 5 is arranged at the lower end of the connecting plate 4, a mounting plate 6 is arranged at the lower end of the connecting block 5, a limiting column 7 is arranged at the lower end of the mounting plate 6, the limiting column 7 is in a certain number, and an iron sheet 8 is arranged at the lower end of the middle limiting column 7;

[0017] The upper side of the bottom mounting seat 2 is provided with a mounting groove 9, the lower end of the mounting groove 9 is provided with an embedded groove 10, the interior of the mounting groove 9 is provided with an embedded plate 11, the bottom end of the embedded plate 11 is consistent with the embedded groove 10, and the lower end of the embedded plate 11 is provided with a magnetic attraction plate 12, and the position of the magnetic attraction plate 12 corresponds to the position of the iron sheet 8;

[0018] The embedded plate 11 is provided with a plurality of positioning grooves 13, in which limiting posts 7 are inserted, and the iron sheet 8 is magnetically connected to the magnetic plate 12. This structure may be used to position and fix parts or assemblies, wherein the limiting posts and positioning grooves can ensure the correct position and direction, while the iron sheet and the magnetic plate provide additional stability and fixing force. This design is common in many industrial and mechanical applications, such as for assembling parts on an assembly line, or for fixing and positioning parts in mechanical equipment. Through magnetic connection, the iron sheet and the magnetic plate can be quickly and reliably fixed together, thereby improving production efficiency and assembly accuracy.

[0019] Specifically, a handle 14 is provided at the upper end of the plastic back panel 1. The handle is provided at the upper end of the plastic back panel for easy carrying or moving of the plastic back panel 1. Such a design can increase the practicality and usability of the product, especially for the plastic back panel 1 that needs to be properly moved or carried.

[0020] Specifically, reinforcing plates 15 are longitudinally provided on the front and rear side walls of the plastic back panel 1, and the side walls of the reinforcing plates 15 are fixedly connected to the back panel outer frame 3. The reinforcing plates 15 are longitudinally provided on the front and rear side walls of the plastic back panel 1. This design can increase the overall strength and stability of the back panel, especially when carrying heavy objects or being subjected to vibration shock, the side walls of the reinforcing plates 15 are fixedly connected to the back panel outer frame 3, further ensuring the stability and durability of the structure. This design helps to improve the load capacity and service life of the back panel, and is suitable for various occasions that require additional support and reinforcement of the back panel.

[0021] Specifically, the upper side of the board wall of the plastic backboard 1 is provided with auxiliary grooves 16, and the board wall of the plastic backboard 1 is provided with a plurality of ventilation holes 17. The auxiliary grooves can be used to conveniently carry or hang the backboard, and the ventilation holes are helpful for ventilation and drainage, which is particularly useful when it is necessary to keep the inside of the backboard dry or ventilated. These design features can increase the practicality and applicability of the plastic backboard, making it more suitable for various use environments and occasions.

[0022] Specifically, the back panel frame 3 and the plastic back panel 1 are snap-connected or integrated into one piece. The snap-connection means that they can be spliced ​​together to a certain extent through a special structural design, while the integrated molding means that they may be formed simultaneously as a whole during the manufacturing process. Regardless of which method is used, the connection method between the back panel frame and the plastic back panel will affect the stability and structural strength of the product, and needs to be reasonably selected according to actual needs.

[0023] Working principle: When the utility model is in operation, the utility model discloses a plastic seat backboard for a bus. By setting an iron sheet 8 and a magnetic plate 12, when the limiting column 7 is inserted into the positioning groove 13, the magnetic plate 12 can be adsorbed by the iron sheet 8 for fixed connection, so that the plastic backboard 1 can be conveniently disassembled. The provided handle 14 and auxiliary groove 16 can facilitate operation when disassembling and moving the plastic backboard 1, thereby increasing the applicability and convenience of the plastic backboard 1; the provided limiting column 7, installation groove 9, embedded groove 10, embedded plate 11 and positioning groove 13 are used in combination to maintain the stability of the plastic backboard 1 and better protect the safety of the product.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic seat backboard for a bus, characterized in that: It comprises a plastic back plate (1) and a bottom mounting seat (2), wherein the plastic back plate (1) is arranged at the upper end of the bottom mounting seat (2), the bottom mounting seat (2) is fixed to a bus seat mounting seat, and a back plate outer frame (3) is arranged at the outer edge of the plastic back plate (1); A connecting plate (4) is provided at the lower end of the backplane outer frame (3); a connecting block (5) is provided at the lower end of the connecting plate (4); a mounting plate (6) is provided at the lower end of the connecting block (5); a limiting column (7) is provided at the lower end of the mounting plate (6); the limiting columns (7) are provided in a certain number, and an iron sheet (8) is provided at the lower end of the limiting column (7) in the middle; The upper side of the bottom mounting seat (2) is provided with a mounting groove (9), the lower end of the mounting groove (9) is provided with an embedded groove (10), the interior of the mounting groove (9) is provided with an embedded plate (11), the bottom end of the embedded plate (11) is matched with the embedded groove (10), the lower end of the embedded plate (11) is provided with a magnetic attraction plate (12), the position of the magnetic attraction plate (12) corresponds to the position of the iron sheet (8); The inner plate (11) is provided with a plurality of positioning grooves (13), the positioning grooves (13) are inserted with the limiting columns (7), and the iron sheet (8) is magnetically connected to the magnetic attraction plate (12).

2. A plastic bus seat back panel according to claim 1, characterized in that: A handle (14) is provided at the upper end of the plastic back plate (1).

3. The plastic seat backboard for buses according to claim 1, characterized in that: Reinforcement plates (15) are longitudinally provided on the front and rear side walls of the plastic back plate (1), and the side walls of the reinforcement plates (15) are fixedly connected to the back plate outer frame (3).

4. The plastic seat backboard for buses according to claim 1, characterized in that: An auxiliary groove (16) is provided on the upper side of the plate wall of the plastic back plate (1), and a plurality of air holes (17) are provided on the plate wall of the plastic back plate (1).

5. The plastic seat backboard for buses according to claim 1, characterized in that: The back panel outer frame (3) and the plastic back panel (1) are snap-connected or integrally formed.

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