Passenger car seat backrest backboard mounting structure

Abstract

The utility model belongs to the technical field of passenger car seats, and discloses a passenger car seat backrest backboard installation structure which comprises a backup plate, installation assemblies are installed at the two ends of the backup plate, and each installation assembly comprises a connecting mechanism for installing the backup plate on a seat body and a fastening mechanism for fixing the position of the backup plate after installation is completed. The connecting mechanism is provided with two plates, long-strip-shaped grooves are formed in the surfaces of the plates, the two plates are installed on the two sides of the backup plate, the bottom ends of the plates are movably connected with the seat, and the fastening mechanism is installed at the top ends of the plates. The position of the backup plate is fixed through the clamping plate, even if any one of the clamping plate and the backup plate is broken, the remaining part can temporarily achieve the supporting effect, only the damaged part needs to be replaced during replacement, and it can be guaranteed that the clamping plate is always attached to the backup plate through constraint of the fixing shell.

Description

Technical Field

[0001] The utility model belongs to the technical field of bus seats, and in particular relates to a bus seat backrest plate mounting structure. Background Art

[0002] The seat back panel refers to the panel that the passenger's back leans on when sitting on the seat. The current bus seat back panel installation structure on the market usually connects the bottom of the back panel directly to the seat body through rotation. Under this installation structure, the back panel usually bears the force brought by the passenger's back leaning as a whole. Once the back panel breaks, the entire backrest will be completely unusable and need to be replaced as a whole, which has certain defects. Utility Model Content

[0003] The purpose of the utility model is to provide a passenger car seat backrest mounting structure to solve the problem that the passenger car seat backrest mounting structure proposed in the above-mentioned background technology usually directly connects the bottom end of the backrest backrest to the seat body by rotation. Under this mounting structure, the backrest usually bears the force brought by the passenger's back leaning as a whole. Once the backrest is broken, the entire backrest will be completely unusable and need to be replaced as a whole.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a passenger car seat backrest backboard mounting structure, comprising: a backboard, with mounting components installed at both ends of the backboard, the mounting components including a connecting mechanism for mounting the backboard on a seat body and a fastening mechanism for fixing the position of the backboard after the installation is completed, the connecting mechanism having two plates with long strip grooves on the surface, the two plates being mounted on both sides of the backboard, and the bottom ends of the plates being movably connected to the seat, and the fastening mechanism being mounted on the top of the plates.

[0005] Preferably, the connecting mechanism includes a clamping plate, a slot and a block, the clamping plate is installed at both ends of the back plate, the slot is opened on the surface of the clamping plate, and the block is installed at both ends of the back plate. When the clamping plate clamps the back plate from both sides, the block is embedded in the inside of the slot.

[0006] Preferably, a movable part is installed at the bottom end of the clamping plate, the movable part is installed on both sides of the seat body, and the clamping plate is installed to the inside of the movable part through a connecting part.

[0007] Preferably, the movable part includes a fixed seat, a rotating seat, a groove and a connecting shaft, the fixed seat is installed on both sides of the seat body, the rotating seat is installed inside the opening of the fixed seat, the groove is opened on the two end surfaces of the rotating seat, and the connecting shaft passes through the fixed seat and is connected to the inside of the groove.

[0008] Preferably, the connecting member includes a slot, a through hole and a plug, the slot is opened on the top surface of the rotating seat, the through hole is opened on the inner wall of the slot and the bottom end of the splint, the bottom end of the splint is embedded in the slot, and the plug passes through the slot and the through hole on the splint surface.

[0009] Preferably, the fastening mechanism includes a fixing shell, a threaded hole and a fastening bolt, the fixing shell is installed on the top ends of the two clamps, the top ends of the two clamps are embedded in the lower end opening of the fixing shell, the threaded holes are opened on both sides of the fixing shell and the top end surfaces of the clamps, and the fastening bolts are screwed into the interior of the threaded holes.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) The utility model is provided with a connecting mechanism, through which the backrest is installed on the seat, and the position of the backrest is fixed by a splint. Even if any one of the splint or the backrest is broken, the remaining part can temporarily play a supporting effect to avoid the backrest being completely unusable. When replacing, only the damaged part needs to be replaced.

[0012] (2) The utility model is provided with a fastening mechanism. A fixing shell is installed at the top of the clamping plate to avoid the situation where the top of the clamping plate is not fixed in position and the clamping force on the backing plate is insufficient. The constraint of the fixing shell can ensure that the clamping plate is always in close contact with the backing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0015] Figure 3 It is a side view of the utility model;

[0016] Figure 4 It is a cross-sectional view of the rotating seat of the utility model;

[0017] In the figure: 1, clamping plate; 2, supporting plate; 3, card slot; 4, card block; 5, fixing shell; 6, threaded hole; 7, fastening bolt; 8, fixing seat; 9, rotating seat; 10, slot; 11, through hole; 12, plug; 13, connecting shaft; 14, embedded groove. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-Figure 4 As shown, the utility model provides the following technical solutions: a passenger car seat backrest backboard mounting structure, comprising: a backboard 2, with mounting components installed at both ends of the backboard 2, the mounting components including a connecting mechanism for mounting the backboard 2 on a seat body and a fastening mechanism for fixing the position of the backboard 2 after the installation is completed, the connecting mechanism having two plates with long strip grooves on the surface, the two plates being mounted on both sides of the backboard 2, and the bottom ends of the plates being movably connected to the seat, and the fastening mechanism being mounted on the top ends of the plates.

[0020] Through the above technical solution:

[0021] When in use, the connection mechanism is installed on both sides of the backboard 2, and then the connection mechanism and the seat body are movably connected, and then the top of the connection mechanism is fastened by the fastening mechanism to complete the installation of the backboard 2.

[0022] Furthermore, the connecting mechanism includes a clamping plate 1, a slot 3 and a block 4. The clamping plate 1 is installed at both ends of the support plate 2. The slot 3 is opened on the surface of the clamping plate 1. The block 4 is installed at both ends of the support plate 2. When the clamping plate 1 clamps the support plate 2 from both sides, the block 4 is embedded in the inside of the slot 3.

[0023] Specifically, when the clamping plate 1 is mounted to the two ends of the backing plate 2 , the clamping blocks 4 are embedded in the clamping grooves 3 to prevent position changes between the backing plate 2 and the clamping plate 1 .

[0024] Furthermore, a movable part is installed at the bottom end of the clamping plate 1, and the movable part is installed on both sides of the seat body. The clamping plate 1 is installed inside the movable part through a connecting part.

[0025] Specifically, the back plate 2 can obtain the angle adjustment function by connecting the bottom ends of the two clamping plates 1 to the inside of the movable member.

[0026] Furthermore, the movable part includes a fixed seat 8, a rotating seat 9, a groove 14 and a connecting shaft 13. The fixed seat 8 is installed on both sides of the seat body, the rotating seat 9 is installed inside the opening of the fixed seat 8, the groove 14 is opened on the two end surfaces of the rotating seat 9, and the connecting shaft 13 passes through the fixed seat 8 and is connected to the inside of the groove 14.

[0027] Specifically, the rotating seat 9 and the fixed seat 8 are connected by the connecting shaft 13 , so that the fixed seat 8 is in a fixed state at both ends of the seat, and the rotating seat 9 can realize free rotation inside the opening of the fixed seat 8 .

[0028] Furthermore, the connecting part includes a slot 10, a through hole 11 and a plug 12. The slot 10 is opened on the top surface of the rotating seat 9, the through hole 11 is opened on the inner wall of the slot 10 and the bottom end of the splint 1, the bottom end of the splint 1 is embedded in the slot 10, and the plug 12 passes through the slot 10 and the through hole 11 on the surface of the splint 1.

[0029] Specifically, after the clamping plate 1 is inserted into the slot 10 , the plug 12 is inserted into the through hole 11 , and the clamping plate 1 is fixed by the limiting effect of the plug 12 .

[0030] Furthermore, the fastening mechanism includes a fixing shell 5, a threaded hole 6 and a fastening bolt 7. The fixing shell 5 is installed on the top ends of the two clamps 1. The top ends of the two clamps 1 are embedded in the lower end opening of the fixing shell 5. The threaded holes 6 are opened on both sides of the fixing shell 5 and the top end surface of the clamps 1. The fastening bolts 7 are screwed into the inside of the threaded holes 6.

[0031] Specifically, after the clamping plate 1 is fixed, the fixing shell 5 is sleeved on the top of the clamping plate 1 , and the fixing shell 5 is used to prevent the top of the clamping plate 1 from tilting to both sides, so that the clamping plate 1 is always closely attached to both sides of the backing plate 2 .

[0032] Although the 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 passenger car seat backrest backboard mounting structure, characterized in that: include: A backrest (2), with mounting components installed at both ends of the backrest (2), the mounting components comprising a connecting mechanism for mounting the backrest (2) on a seat body and a fastening mechanism for fixing the position of the backrest (2) after the installation is completed, the connecting mechanism having two plates with long strip grooves on their surfaces, the two plates being mounted on both sides of the backrest (2), and the bottom ends of the plates being movably connected to the seat, and the fastening mechanism being mounted on the top ends of the plates.

2. A passenger car seat backrest mounting structure according to claim 1, characterized in that: The connection mechanism comprises a clamping plate (1), a clamping slot (3) and a clamping block (4); the clamping plate (1) is mounted at both ends of a support plate (2); the clamping slot (3) is provided on the surface of the clamping plate (1); the clamping block (4) is mounted at both ends of the support plate (2); when the clamping plate (1) clamps the support plate (2) from both sides, the clamping block (4) is embedded in the interior of the clamping slot (3).

3. A passenger car seat backrest mounting structure according to claim 2, characterized in that: A movable part is installed at the bottom end of the clamping plate (1), and the movable part is installed on both sides of the seat body. The clamping plate (1) is installed inside the movable part through a connecting part.

4. The passenger car seat backrest mounting structure according to claim 3, characterized in that: The movable part comprises a fixed seat (8), a rotating seat (9), an embedding groove (14) and a connecting shaft (13); the fixed seat (8) is installed on both sides of the seat body; the rotating seat (9) is installed inside the opening of the fixed seat (8); the embedding groove (14) is opened on the two end surfaces of the rotating seat (9); and the connecting shaft (13) passes through the fixed seat (8) and is connected to the inside of the embedding groove (14).

5. The passenger car seat backrest mounting structure according to claim 4, characterized in that: The connecting member comprises a slot (10), a through hole (11) and a plug (12); the slot (10) is opened on the top surface of the rotating seat (9); the through hole (11) is opened on the inner wall of the slot (10) and the bottom end of the clamp (1); the bottom end of the clamp (1) is embedded in the slot (10); and the plug (12) passes through the slot (10) and the through hole (11) on the surface of the clamp (1).

6. The passenger car seat backrest mounting structure according to claim 5, characterized in that: The fastening mechanism comprises a fixing shell (5), a threaded hole (6) and a fastening bolt (7); the fixing shell (5) is mounted on the top ends of the two clamping plates (1); the top ends of the two clamping plates (1) are embedded in the lower end opening of the fixing shell (5); the threaded hole (6) is provided on both sides of the fixing shell (5) and on the top end surface of the clamping plates (1); the fastening bolt (7) is screwed into and inserted into the inside of the threaded hole (6).

Images