Tractor seat damping device

Abstract

The utility model provides a tractor seat damping device, which belongs to the technical field of tractor seats and comprises a seat bottom plate and damping supports on two sides below the seat bottom plate, the damping supports are obliquely arranged, a triangular positioner is vertically arranged at the bottom of the front end of each damping support, and front positioning plates are fixedly arranged at two corners of the bottom of each triangular positioner. A rear positioning plate is arranged at the bottom of the rear end of the damping support. A breathable plate is arranged on the seat bottom plate. A waist rest is arranged at the rear end of the seat bottom plate. A backrest is arranged above the waist rest. Fixing blocks are arranged on the two sides of the rear face of the backrest. The damping support is matched with the damping damper to reduce the amplitude and transmit the amplitude to the seat bottom plate, the front end of the damping support is stably supported through the triangular positioner and the front positioning plate, the rear end of the damping support is stably supported through the damping spring device and the rear positioning plate, and the electric lifting rod is started to drive the fixing block to ascend and descend. And the height of the backrest is adjusted by matching the telescopic supporting rods in the waist rest and the backrest.

Description

Technical Field

[0001] The utility model relates to the technical field of tractor seats, and particularly relates to a shock absorption device for a tractor seat. Background Technique

[0002] Most tractors run on farmland. Due to the uneven road surface, the vehicle vibration is very large. Especially when driving on muddy paths, the impact on the driver is even greater, directly affecting the comfort of the driver's seat and the safety of operation. Therefore, improving the comfort of the seat and reducing vibration directly affect the operation safety of the driver.

[0003] Most of the existing tractor seats do not have shock absorption devices. For those with a small number of shock absorption devices installed, the shock absorption effect is not very good. Most of the backrests can be adjusted, but when the driver is tired and needs to rest, a comfortable rest environment cannot be created. To solve the above problems, a shock absorption device for a tractor seat is proposed to solve the above problems. Content of the Utility Model

[0004] In view of this, the utility model provides a shock absorption device for a tractor seat. The utility model can reduce the amplitude transmitted to the seat bottom plate through a shock absorption bracket and a shock absorption damper, stably support the front end of the shock absorption bracket through a triangular positioner and a front positioning plate, stably support the rear end of the shock absorption bracket through a shock absorption spring and a rear positioning plate, start an electric lifting rod to drive the lifting of a fixed block, and cooperate with telescopic support rods in the lumbar support and the backrest to adjust the height of the backrest.

[0005] To solve the above technical problems, the utility model provides a shock absorption device for a tractor seat, including a seat bottom plate and shock absorption brackets on both sides below the seat bottom plate. The shock absorption brackets are inclined. A triangular positioner is vertically arranged at the bottom of the front end of the shock absorption bracket. Front positioning plates are fixedly arranged at the two bottom corners of the triangular positioner. Shock absorption dampers are arranged on both sides of the shock absorption bracket. A rear positioning plate is arranged at the bottom of the rear end of the shock absorption bracket. A breathable plate is arranged on the seat bottom plate. A lumbar support is arranged at the rear end of the seat bottom plate. A backrest is arranged above the lumbar support. Fixed blocks are arranged on both sides behind the backrest. A lifting driver is arranged below the fixed block.

[0006] The rear positioning plate is horizontal with the front positioning plate. A shock absorption spring for weakening the vibration at the rear of the shock absorption bracket is arranged in the middle of the upper surface of the rear positioning plate.

[0007] A connecting block for connecting the shock absorption spring and the shock absorption bracket is arranged at the upper end of the shock absorption spring, and the connecting block is fixed to the lower surface of the shock absorption bracket.

[0008] A first connector for connecting the lower end of the shock absorption damper and the lower part of the shock absorption bracket is arranged at the lower end of the shock absorption damper. A second connector for connecting the upper end of the shock absorption damper and the upper part of the shock absorption bracket is arranged at the upper end of the shock absorption damper. The first connector is fixed to the lower part of the shock absorption bracket, and the second connector is fixed to the upper part of the shock absorption bracket.

[0009] At the front and rear ends of the upper surface of the shock-absorbing bracket, linkage blocks are provided for connecting the shock-absorbing bracket to the bottom of the seat. The upper surface of the linkage block is fixed to the lower surface of the seat bottom plate. On both sides of the upper surface of the ventilation plate, seat armrests are provided. Between the lumbar support and the seat armrest, a lifting controller for controlling the lifting of the backrest is provided.

[0010] On the rear end face of the ventilation plate, a support plate for fixedly installing a lifting drive is welded. The lower surface of the lifting drive is fixed to the upper surface of the support plate. At the upper end of the lifting drive, a lifting connector for connecting the electric lifting rod to the lifting drive is provided.

[0011] At the upper end of the lifting connector, an electric lifting rod for driving the fixed block and the backrest to lift is provided. At the upper end of the electric lifting rod, a lifting fixator for connecting the electric lifting rod to the fixed block is provided. The upper end of the lifting fixator is fixed to the lower surface of the fixed block.

[0012] On both sides of the middle part of the lumbar support, lower lifting grooves for the telescopic support rod to lift are provided. In the middle part of the backrest, upper lifting grooves for the telescopic support rod to lift are provided. The lower lifting grooves correspond to the upper lifting grooves. At the bottom of the lower lifting grooves, telescopic fixators for fixedly installing the telescopic support rod are provided. At the top of the upper lifting grooves, telescopic fixators for fixedly installing the telescopic support rod are provided. Between the telescopic fixators, a telescopic support rod for driving the backrest to lift and support is provided.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. During the operation of the tractor, the vibration generated is reduced in amplitude and transmitted to the seat bottom plate through the shock-absorbing bracket and shock-absorbing damper. The front end of the shock-absorbing bracket is stably supported by the triangular positioner and the front positioning plate. The rear end of the shock-absorbing bracket is stably supported by the shock-absorbing spring and the rear positioning plate. By starting the electric lifting rod to drive the fixed block to lift, and cooperating with the telescopic support rods in the lumbar support and the backrest, the height of the backrest is adjusted, thereby improving the shock-absorbing performance of the tractor seat and the adjustment ability of the backrest of the tractor seat, and creating a comfortable seating and resting environment for the driver.

[0015] 2. On both sides of the middle part of the lumbar support, lower lifting grooves for the telescopic support rod to lift are provided. In the middle part of the backrest, upper lifting grooves for the telescopic support rod to lift are provided. The lower lifting grooves correspond to the upper lifting grooves. At the bottom of the lower lifting grooves, telescopic fixators for fixedly installing the telescopic support rod are provided. At the top of the upper lifting grooves, telescopic fixators for fixedly installing the telescopic support rod are provided. Between the telescopic fixators, a telescopic support rod for driving the backrest to lift and support is provided, which enables the fixed block connected to the backrest to lift in cooperation with the electric lifting rod.

[0016] 3. The rear positioning plate is horizontal with the front positioning plate. In the middle of the upper surface of the rear positioning plate, there is a shock-absorbing spring device for weakening the vibration at the rear of the shock-absorbing bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of a shock-absorbing device for a tractor seat according to the present invention;

[0018] Figure 2 It is a side cross-sectional view of the present invention;

[0019] Figure 3 It is a front cross-sectional view of the present invention;

[0020] Figure 4 It is a schematic diagram of the lower view structure of the present invention.

[0021] Description of the reference numerals:

[0022] 100, seat bottom plate; 101, breathable cushion; 102, breathable plate; 103, linkage block; 104, seat armrest; 105, lifting controller; 200, shock-absorbing bracket; 201, triangular positioner; 202, front positioning plate; 203, shock-absorbing damper; 204, rear positioning plate; 205, shock-absorbing spring device; 206, connecting block; 207, first connector; 208, second connector; 300, lumbar support; 301, backrest; 302, fixing block; 303, lifting driver; 304, support plate; 305, lifting connector; 306, electric lifting rod; 307, lifting fixer; 308, lower lifting groove; 309, upper lifting groove; 310, telescopic fixer; 311, telescopic support rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will combine the accompanying drawings of the embodiments of the present invention Figures 1-4 The technical solutions of the embodiments of the present invention will be described clearly and completely. Obviously, the described embodiments are some, rather than all, of the embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present invention.

[0024] As Figures 1-4As shown: This embodiment provides a shock absorption device for a tractor seat, including a seat bottom plate 100 and shock absorption brackets 200 on both sides below the seat bottom plate 100. The shock absorption brackets 200 are inclined. At the bottom of the front end of the shock absorption bracket 200, a triangular positioner 201 is vertically provided for improving the stability of the front end of the shock absorption bracket 200. At the two bottom corners of the triangular positioner 201, a front positioning plate 202 for connecting and fixing with the tractor driver's seat is fixedly provided. The front positioning plate 202 is also used for fixedly installing the triangular positioner 201. The triangular positioner 201 and the front positioning plate 202 are connected and fixed by bolts. On both sides of the shock absorption bracket 200, shock absorption dampers 203 for weakening the vibration of the shock absorption bracket 200 are provided. At the bottom of the rear end of the shock absorption bracket 200, a rear positioning plate 204 for connecting and fixing with the tractor driver's seat is provided. The rear positioning plate 204 is also used for fixedly installing a shock absorption spring 205. The rear positioning plate 204 and the shock absorption spring 205 are connected and fixed by rivets. On the upper surface of the seat bottom plate 100, a ventilation plate 102 for seat ventilation is provided. The seat bottom plate 100 and the ventilation plate 102 are connected and fixed by bolts. In the middle of the upper surface of the ventilation plate 102, a ventilation seat cushion 101 is provided. At the rear end of the seat bottom plate 100, a lumbar support 300 for supporting the waist to prevent fatigue is provided. The lumbar support 300 and the seat bottom plate 100 are connected and fixed by bolts. Above the lumbar support 300, a backrest 301 for supporting the back to prevent fatigue is provided. On both sides behind the backrest 301, fixing blocks 302 for connecting the lifting fixator 307 with the backrest 301 are provided. Below the fixing blocks 302, a lifting driver 303 for driving the electric lifting rod 306 is provided.

[0025] During use, the vibration generated during the tractor's driving is transmitted to the seat bottom plate 100 through the shock absorption bracket 200 in cooperation with the shock absorption damper 203 to reduce the amplitude. The front end of the shock absorption bracket 200 is stably supported by the triangular positioner 201 in cooperation with the front positioning plate 202. The rear end of the shock absorption bracket 200 is stably supported by the shock absorption spring 205 in cooperation with the rear positioning plate 204. By starting the electric lifting rod 306 to drive the fixing block 302 to lift and lower, and in cooperation with the telescopic support rod 311 in the lumbar support 300 and the backrest 301, the height of the backrest 301 is adjusted.

[0026] This embodiment provides a shock absorption device for a tractor seat,

[0027] Such as Figure 1 、 2, as shown in Figures 4: The rear positioning plate 204 is horizontal with the front positioning plate 202. In the middle of the upper surface of the rear positioning plate 204, there is a shock-absorbing spring device 205 for weakening the vibration at the rear of the shock-absorbing bracket 200. The shock-absorbing spring device 205 is fixedly connected to the rear positioning plate 204 using rivets. At the upper end of the shock-absorbing spring device 205, there is a connecting block 206 for connecting the shock-absorbing spring device 205 with the shock-absorbing bracket 200. The shock-absorbing spring device 205 is fixedly connected to the connecting block 206 using rivets. The connecting block 206 is fixedly connected to the lower surface of the shock-absorbing bracket 200 using bolts.

[0028] As Figure 1 , 2 , as shown in Figures 4: At the lower end of the shock-absorbing damper 203, there is a first connector 207 for connecting the shock-absorbing damper 203 with the lower part of the shock-absorbing bracket 200. The shock-absorbing damper 203 is mechanically connected and fixed to the first connecting member. At the upper end of the shock-absorbing damper 203, there is a second connector 208 for connecting the shock-absorbing damper 203 with the upper part of the shock-absorbing bracket 200. The second connector 208 is mechanically connected and fixed to the shock-absorbing damper 203. The first connector 207 is fixedly connected to the lower part of the shock-absorbing bracket 200 using bolts. The second connector 208 is fixedly connected to the upper part of the shock-absorbing bracket 200 using bolts.

[0029] As Figure 1 , 2 , as shown: At the front and rear ends of the upper surface of the shock-absorbing bracket 200, there are linkage blocks 103 for connecting the shock-absorbing bracket 200 with the bottom of the seat. The shock-absorbing bracket 200 is fixedly connected to the linkage blocks 103 using bolts. The upper surface of the linkage blocks 103 can be welded and fixed to the lower surface of the seat bottom plate 100. On both sides of the upper surface of the ventilation plate 102, there are seat armrests 104. The seat bottom plate 100 is fixedly connected to the seat armrests 104 using bolts. Between the lumbar support 300 and the seat armrests 104, there is a lifting controller 105 for controlling the lifting of the backrest 301. The lifting controller 105 is fixedly connected to the upper surface of the ventilation plate 102 using bolts.

[0030] As Figure 1 , 2As shown in the figure: A support plate 304 for fixedly installing a lifting driver 303 is welded to the rear end surface of the ventilation plate 102. The lower surface of the lifting driver 303 is fixedly connected to the upper surface of the support plate 304 by bolts. An elevator connector 305 is provided at the upper end of the lifting driver 303 for connecting the electric elevator rod 306 to the lifting driver 303. The elevator connector 305 is electrically connected to the lifting driver 303. An electric elevator rod 306 for driving the fixed block 302 and the backrest 301 to lift is provided at the upper end of the elevator connector 305. The elevator connector 305 is mechanically and hermetically connected to the electric elevator rod 306. An elevator fixator 307 for connecting the electric elevator rod 306 to the fixed block 302 is provided at the upper end of the electric elevator rod 306. The elevator fixator 307 is mechanically connected to the electric elevator rod 306. The upper end of the elevator fixator 307 is fixedly connected to the lower surface of the fixed block 302 by bolts.

[0031] As Figure 1 , 2 , shown in FIG. 3: Lower lifting grooves 308 for the lifting of the telescopic support rods 311 are provided on both sides in the middle of the lumbar support 300. Upper lifting grooves 309 for the lifting of the telescopic support rods 311 are provided in the middle of the backrest 301. The lower lifting grooves 308 correspond to the upper lifting grooves 309. A telescopic fixator 310 for fixedly installing the telescopic support rods 311 is provided at the bottom of the lower lifting grooves 308. The lower telescopic grooves are fixedly connected to the telescopic fixator 310 by rivets. The telescopic fixator 310 is fixedly connected to the upper lifting grooves 309 by rivets. A telescopic fixator 310 for fixedly installing the telescopic support rods 311 is provided at the top of the upper lifting grooves 309. Telescopic support rods 311 for driving the lifting and supporting of the backrest 301 are provided between the telescopic fixators 310. The telescopic support rods 311 are mechanically connected to the telescopic fixators 310.

[0032] In addition, it should be noted that in the description of the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0033] The above is the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle described in the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A tractor seat shock absorption device, characterized in that: It includes a seat bottom plate (100) and shock-absorbing brackets (200) on both sides below the seat bottom plate (100). The shock-absorbing brackets (200) are inclined. At the bottom of the front end of the shock-absorbing bracket (200), a triangular locator (201) is erected. At the two bottom corners of the triangular locator (201), front positioning plates (202) are fixedly provided. Shock-absorbing dampers (203) are provided on both sides of the shock-absorbing bracket (200). At the bottom of the rear end of the shock-absorbing bracket (200), a rear positioning plate (204) is provided. On the upper surface of the seat bottom plate (100), a ventilation plate (102) is provided. In the middle of the upper surface of the ventilation plate (102), a ventilation cushion (101) is provided. At the rear end of the seat bottom plate (100), a lumbar support (300) is provided. Above the lumbar support (300), a backrest (301) is provided. On both sides behind the backrest (301), fixing blocks (302) are provided. Below the fixing blocks (302), a lifting driver (303) is provided.

2. The shock absorption device for a tractor seat according to claim 1, characterized in that: The rear positioning plate (204) is horizontal with the front positioning plate (202). In the middle of the upper surface of the rear positioning plate (204), a shock-absorbing spring device (205) is provided.

3. The shock-absorbing device for a tractor seat according to claim 2, characterized in that: At the upper end of the shock-absorbing spring device (205), a connecting block (206) is provided. The connecting block (206) is fixed to the lower surface of the shock-absorbing bracket (200).

4. The shock absorption device for a tractor seat according to claim 3, characterized in that: At the lower end of the shock-absorbing damper (203), a first connector (207) is provided. At the upper end of the shock-absorbing damper (203), a second connector (208) is provided. The first connector (207) is fixed to the lower part of the shock-absorbing bracket (200). The second connector (208) is fixed to the upper part of the shock-absorbing bracket (200).

5. The shock-absorbing device for a tractor seat according to claim 4, characterized in that: At the front and rear ends of the upper surface of the shock-absorbing bracket (200), linkage blocks (103) are provided. The upper surface of the linkage blocks (103) is fixed to the lower surface of the seat bottom plate (100). On both sides of the upper surface of the ventilation plate (102), seat armrests (104) are provided. Between the lumbar support (300) and the seat armrests (104), a lifting controller (105) is provided.

6. The shock-absorbing device for a tractor seat according to claim 5, wherein: On the rear end face of the ventilation plate (102), a support plate (304) is welded. The lower surface of the lifting driver (303) is fixed to the upper surface of the support plate (304). At the upper end of the lifting driver (303), a lifting connector (305) is provided.

7. The shock absorption device for a tractor seat according to claim 6, wherein: At the upper end of the lifting connector (305), an electric lifting rod (306) is provided. At the upper end of the electric lifting rod (306), a lifting fixator (307) is provided. The upper end of the lifting fixator (307) is fixed to the lower surface of the fixing block (302).

8. The shock absorption device for a tractor seat according to claim 7, wherein: On both sides in the middle of the lumbar support (300), lower lifting grooves (308) are provided. In the middle of the backrest (301), upper lifting grooves (309) are provided. The lower lifting grooves (308) correspond to the upper lifting grooves (309). At the bottom of the lower lifting grooves (308), telescopic fixators (310) are provided. At the top of the upper lifting grooves (309), the telescopic fixators (310) are provided. Between the telescopic fixators (310), a telescopic support rod (311) is provided.

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