Automobile seat backrest framework

Abstract

The utility model discloses an automobile seat backrest framework which comprises two sets of side baffles, first serpentine springs are fixedly arranged on the inner walls of the two sets of side baffles, the two sets of first serpentine springs are symmetrically arranged up and down, sliding holes are formed in the positions, located on the upper side and the lower side, of the outer walls of the side baffles, and sliding holes are formed in the outer walls of the side baffles. Sliding rods are arranged in the sliding holes in a sliding mode, a plurality of installation sleeves are arranged on the sliding rods in a sliding mode, the installation sleeves are linearly arranged, a buffer gasket is fixedly arranged between every two installation sleeves, and the installation sleeves and the sliding rods are fixedly installed through bolts; counterbores are formed in the positions, located on the outer walls of the side baffles, of the outer ends of the sliding holes, so that when a user needs to disassemble the buffer gasket, bolts on the mounting sleeves can be disassembled firstly, then fastening nuts are disassembled, at the moment, the sliding rods can be pulled out from the interiors of the sliding holes, and therefore the user can disassemble the buffer gasket conveniently. And at the moment, the buffer gasket can be detached and is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, and more specifically, to a backrest frame of an automobile seat. Background Art

[0002] The car seat back frame is a key structural component of the seat assembly. Its main functions are: maintaining a correct sitting posture, providing support for the upper body when turning, and providing upper body protection during collisions. The performance of the back frame directly affects the strength, rigidity, stability, and even the quality and grade of the seat assembly. Currently, cushioning pads are set between the car seat back frames, which will be deformed after long-term use. However, most of the cushioning pads are one-piece molding structures, which increases the cost of use; and the height of the frame itself cannot be freely adjusted according to the height of the user, resulting in poor practical effect of the frame and affecting the comfort of the rider. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides a car seat back frame to solve the technical problem mentioned in the background technology that the current car seat back frames are equipped with buffer gaskets, which will be deformed after long-term use, but most of the buffer gaskets are one-piece molded structures, which increases the cost of use.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car seat back frame, including side baffles, the side baffles are provided with two groups and the inner walls thereof are fixedly provided with a first serpentine spring, the first serpentine spring is provided with two groups and is symmetrically arranged up and down, the outer wall of the side baffles and on both sides thereof are provided with sliding holes, the interior of the sliding holes are slidably provided with sliding rods, the sliding rods are slidably provided with mounting sleeves, the mounting sleeves are slidably provided with a plurality of and are linearly arranged, a buffer gasket is fixedly provided between the two mounting sleeves, the mounting sleeves are fixed to the sliding rods with bolts, the outer ends of the sliding holes and the outer walls of the side baffles are provided with countersunk holes, the interior of the countersunk holes are provided with fastening nuts, the fastening nuts are threadedly connected to the two ends of the sliding rods, the upper end surfaces of the side baffles are fixedly provided with threaded rods, the threaded rods are slidably provided with adjusting cylinders, and the middle position of the adjusting cylinders is fixedly provided with a support rod.

[0007] The utility model is further configured such that bearings are provided on the outer wall of the adjusting cylinder and at the lower end, adjusting rings are provided on the outer walls of the bearings, adjusting nuts are fixedly provided on the lower end surfaces of the adjusting rings, and the adjusting nuts are threadedly connected to the threaded rods to facilitate adjustment of the height of the adjusting cylinder.

[0008] The utility model is further configured that a second serpentine spring is fixedly arranged between the two adjusting cylinders to facilitate supporting the head.

[0009] The utility model is further configured such that a mounting plate is fixedly provided between the two side baffles and in the middle position, an air inlet hole is opened on the mounting plate, a plurality of the air inlet holes are provided and fans are arranged inside the holes, and a square frame is fixedly provided on the outer wall of the mounting plate to facilitate blowing air to the rear of the seat to maintain ventilation.

[0010] The utility model is further configured such that a dust filter plate is provided inside the square frame, mounting grooves are provided on the inner wall of the square frame and on both sides, mounting blocks are correspondingly provided at both ends of the dust filter plate, and the mounting blocks are located inside the mounting grooves to facilitate filtering of dust in the air.

[0011] The utility model is further configured such that latches are slidably provided on both sides of the square frame, and corresponding insertion holes are opened on the outer walls of the mounting blocks, and one end of the latches is located inside the insertion holes, so as to facilitate fixed installation of the dust filter plate.

[0012] The utility model is further configured that a pull block is fixedly provided at the other end of the bolt, and a connecting spring is fixedly provided between the pull block and the square frame to facilitate pushing the bolt into the socket.

[0013] The utility model is further configured such that both ends of the sliding rod are located inside the countersunk hole.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a car seat back frame having the following

[0016] Beneficial effects:

[0017] 1. By setting the side baffle, sliding hole, sliding rod, mounting sleeve, buffer gasket, countersunk hole and fastening nut, when the user needs to remove the buffer gasket, the bolt on the mounting sleeve can be removed first, and then the fastening nut can be removed. At this time, the sliding rod can be pulled out from the inside of the sliding hole to remove the buffer gasket for easy replacement.

[0018] 2. By setting a threaded rod, an adjustment tube, a support rod, a bearing, an adjustment ring and an adjustment nut, the user can rotate the adjustment nut by rotating the adjustment ring to adjust the height of the adjustment tube on the threaded rod, thereby making it easier for people of different heights to use the device and increasing flexibility.

[0019] 3. By arranging a mounting plate, an air inlet, a fan, a square frame, a dust filter plate, a mounting groove, a mounting block, a latch, a socket, a pull block and a connecting spring, the user can turn on the fan to blow air to the rear of the seat to make the occupant more comfortable, and by arranging a dust filter plate, the dust in the outside air can be filtered, which is convenient for use, and the user can also pull the pull block to disengage one end of the latch from the socket to take out the dust filter plate for easy cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall schematic diagram of a car seat back frame in an unused state;

[0021] Figure 2 It is an exploded view of the installation of the sliding hole, sliding rod, mounting sleeve, buffer gasket and fastening nut on the side baffle;

[0022] Figure 3 This is an exploded view of the installation of the mounting plate, square frame, dust filter plate and latch on the side baffle;

[0023] Figure 4 for Figure 3 A partial schematic diagram of the middle A area;

[0024] Figure 5 This is an exploded view of the installation of the bearing, adjusting ring and adjusting nut on the adjusting cylinder.

[0025] In the figure: 1. side baffle; 2. first serpentine spring; 3. sliding hole; 4. sliding rod; 5. mounting sleeve; 6. buffer gasket; 7. countersunk hole; 8. fastening nut; 9. threaded rod; 10. adjusting cylinder; 11. support rod; 12. bearing; 13. adjusting ring; 14. adjusting nut; 15. second serpentine spring; 16. mounting plate; 17. air inlet; 18. fan; 19. square frame; 20. dust filter plate; 21. mounting groove; 22. mounting block; 23. latch; 24. socket; 25. pull block; 26. connecting spring. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5 A car seat back frame comprises a side baffle 1, the side baffle 1 is provided with two groups and a first serpentine spring 2 is fixed on its inner wall, the first serpentine spring 2 is provided with two groups and is symmetrically arranged up and down, a sliding hole 3 is opened on the outer wall of the side baffle 1 and on both sides, a sliding rod 4 is slidably provided inside the sliding hole 3, a mounting sleeve 5 is slidably provided on the sliding rod 4, a plurality of mounting sleeves 5 are provided and are arranged linearly, a buffer gasket 6 is fixedly provided between the two mounting sleeves 5, the mounting sleeves 5 are fixed to the sliding rod 4 by bolts, a countersunk hole 7 is opened on the outer end of the sliding hole 3 and on the outer wall of the side baffle 1, a fastening nut 8 is provided inside the countersunk hole 7, and the fastening nut 8 is threadedly connected to the two ends of the sliding rod 4, a threaded rod 9 is fixed on the upper end surface of the side baffle 1, an adjusting cylinder 10 is slidably provided on the threaded rod 9, a support rod 11 is fixedly provided in the middle position of the adjusting cylinder 10, and both ends of the sliding rod 4 are located inside the countersunk hole 7.

[0030] In this embodiment, bearings 12 are provided on the outer wall of the adjusting cylinder 10 and at the lower end, and adjusting rings 13 are provided on the outer wall of the bearings 12. Adjusting nuts 14 are fixedly provided on the lower end surfaces of the adjusting rings 13. The adjusting nuts 14 are threadedly connected to the threaded rod 9, and a second serpentine spring 15 is fixedly provided between the two adjusting cylinders 10.

[0031] More specifically, when the user needs to remove the buffer gasket 6, the bolts on the mounting sleeve 5 can be removed first, and then the fastening nut 8 can be removed. At this time, the sliding rod 4 can be pulled out from the inside of the sliding hole 3 to remove the buffer gasket 6 for easy replacement. When the height of the device needs to be adjusted, the adjusting nut 14 can be rotated by rotating the adjusting ring 13. At this time, the adjusting nut 14 will drive the adjusting cylinder 10 to slide on the threaded rod 9 to adjust its height, thereby making it convenient for people of different heights to use the device and increasing flexibility.

[0032] See also Figure 3 and Figure 4As an implementation method for making the seat have ventilation effect: a mounting plate 16 is fixedly provided between the two side baffles 1 and in the middle position, an air inlet hole 17 is opened on the mounting plate 16, a plurality of air inlet holes 17 are provided and a fan 18 is arranged inside each of the air inlet holes 17, a square frame 19 is fixedly provided on the outer wall of the mounting plate 16, a dust filter plate 20 is arranged inside the square frame 19, mounting grooves 21 are opened on the inner wall of the square frame 19 and on both sides, mounting blocks 22 are correspondingly provided at both ends of the dust filter plate 20, and the mounting blocks 22 are located inside the mounting grooves 21.

[0033] Specifically, the user can turn on the fan 18 to blow air to the rear of the seat to make the occupant more comfortable, and by providing the dust filter plate 20, dust in the outside air can be filtered for easy use.

[0034] Please refer to Figure 5 As a further implementation method for disassembling and installing the dust filter plate 20: latches 23 are slidably provided on both sides of the square frame 19, and corresponding insertion holes 24 are opened on the outer wall of the mounting block 22, one end of the latch 23 is located inside the insertion hole 24, and a pull block 25 is fixedly provided at the other end of the latch 23, and a connecting spring 26 is fixedly provided between the pull block 25 and the square frame 19.

[0035] Specifically, the user can pull the pull block 25 to disengage one end of the latch 23 from the insertion hole 24 to remove the dust filter plate 20 for easy cleaning.

[0036] To sum up, when the overall equipment is in use: when the user needs to remove the buffer gasket 6, the bolts on the mounting sleeve 5 can be removed first, and then the fastening nut 8 can be removed. At this time, the sliding rod 4 can be pulled out from the inside of the sliding hole 3 to remove the buffer gasket 6 for easy replacement. When the height of the device needs to be adjusted, the adjusting nut 14 can be rotated by rotating the adjusting ring 13. At this time, the adjusting nut 14 will drive the adjusting cylinder 10 to slide on the threaded rod 9 to adjust its height, thereby facilitating people of different heights to use the device and increasing flexibility. The user can also turn on the fan 18 to blow air to the back of the seat to make the occupant more comfortable. Later, the pull block 25 can be pulled to disengage one end of the pin 23 from the socket 24 to remove the dust filter plate 20 for easy cleaning of the dust on its surface.

[0037] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A car seat back frame, comprising a side baffle (1), characterized in that: The side baffle (1) is provided with two groups and the inner wall thereof is fixedly provided with a first serpentine spring (2). The first serpentine spring (2) is provided with two groups and is symmetrically arranged in the upper and lower directions. The outer wall of the side baffle (1) is provided with sliding holes (3) on both the upper and lower sides. The interior of the sliding hole (3) is slidably provided with a sliding rod (4). The sliding rod (4) is slidably provided with a mounting sleeve (5). The mounting sleeves (5) are provided in plurality and are arranged in a linear manner. A buffer gasket (6) is fixedly provided between the two mounting sleeves (5). The mounting sleeves (5) are fixedly mounted on the sliding rod (4) by means of bolts. A countersunk hole (7) is provided at the outer end of the sliding hole (3) and on the outer wall of the side baffle (1). A fastening nut (8) is provided inside the countersunk hole (7). The fastening nut (8) is threadedly connected to the two ends of the sliding rod (4). A threaded rod (9) is fixedly mounted on the upper end surface of the side baffle (1). An adjusting cylinder (10) is slidably mounted on the threaded rod (9). A support rod (11) is fixedly mounted in the middle of the adjusting cylinder (10).

2. The automobile seat back frame according to claim 1, characterized in that: A bearing (12) is provided on the outer wall of the adjusting cylinder (10) and at the lower end thereof, an adjusting ring (13) is provided on the outer wall of the bearing (12), an adjusting nut (14) is fixedly provided on the lower end surface of the adjusting ring (13), and the adjusting nut (14) is threadedly connected to the threaded rod (9).

3. The automobile seat back frame according to claim 2, characterized in that: A second serpentine spring (15) is fixedly arranged between the two adjusting cylinders (10).

4. The automobile seat back frame according to claim 1, characterized in that: A mounting plate (16) is fixedly provided between the two side baffles (1) and at a middle position, an air inlet hole (17) is provided on the mounting plate (16), a plurality of air inlet holes (17) are provided and a fan (18) is provided inside each of the air inlet holes (17), and a square frame (19) is fixedly provided on the outer wall of the mounting plate (16).

5. The automobile seat back frame according to claim 4, characterized in that: A dust filter plate (20) is provided inside the square frame (19), mounting grooves (21) are provided on the inner wall of the square frame (19) and on both sides, mounting blocks (22) are provided at both ends of the dust filter plate (20), and the mounting blocks (22) are located inside the mounting grooves (21).

6. The automobile seat back frame according to claim 5, characterized in that: Latch pins (23) are slidably provided on both sides of the square frame (19), and corresponding insertion holes (24) are provided on the outer walls of the mounting blocks (22), and one end of the latch pin (23) is located inside the insertion hole (24).

7. The automobile seat back frame according to claim 6, characterized in that: A pull block (25) is fixedly provided at the other end of the latch (23), and a connecting spring (26) is fixedly provided between the pull block (25) and the square frame (19).

8. The automobile seat back frame according to claim 1, characterized in that: Both ends of the sliding rod (4) are located inside the countersunk hole (7).

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