Electric sliding rail lifting assembly of seat

Abstract

The utility model provides a seat electric sliding rail lifting assembly which comprises a bottom plate, a movable plate is arranged above the bottom plate, and a lifting assembly is arranged between the bottom plate and the movable plate. A motor is started to drive a screw rod to rotate, then the screw rod drives moving blocks on the two sides to move synchronously through a movable plate, then the two moving blocks can drive two gears to turn over oppositely through teeth, then the two connecting rods on the lower side are driven to turn over, the connecting rods are unfolded, and then a fixing base on the upper side is pushed to move upwards; height adjustment of the seat is achieved, height adjustment is not sensitive enough, the seat moves stably in the lifting process, vibration impulsive force can be buffered through the buffer springs, the influence of vibration on passengers is reduced, the buffer springs are in a compressed state, the amplitude of the buffer plate can be gradually reduced when the buffer plate is vibrated, and the damping and buffering effects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of seat adjustment, in particular to an electric slide rail lifting assembly for a seat. Background Art

[0002] The driver's seat is a motor vehicle accessory, and its structure is directly related to the comfort and safety of the driver. Operators of construction machinery and equipment such as loaders and forklifts usually need to operate the equipment for a long time, and the equipment also vibrates greatly when working. Operators who sit in the driver's seat for a long time are very prone to fatigue. Therefore, users of these equipment not only need the seat height to be adjustable, but also need the seat to have good shock absorption and vibration absorption performance.

[0003] The multifunctional vehicle seat provided by the publication number "CN212950289U" belongs to the technical field of vehicle accessories. It comprises a vehicle seat body, the vehicle seat body comprises a seat surface and a backrest, the seat surface is connected to the backrest; a seat cushion is fixedly provided on the upper end surface of the seat surface by Velcro; the seat cushion comprises a first wrapping bag and a first filler, the first filler is arranged inside the first wrapping bag; the Velcro comprises a male patch and a female patch; the male patch is fixed on the upper end surface of the seat cushion, the female patch is fixed on the lower end surface of the seat cushion, and the female patch is in contact with the male patch. The device fixes the seat cushion to the seat surface by Velcro, which is convenient for disassembly and cleaning; a leaning portion is provided, which can be used for leaning on on the one hand, and can block the sight when resting on the other hand; it can repel mosquitoes;

[0004] However, the seats in the prior art also have the following defects:

[0005] In the prior art, most seats use servo motors with corresponding turntables, gears and slider devices to ensure the lifting function of the seats. The seats are unstable during movement and the height adjustment is not sensitive enough. At the same time, the shock absorption and buffering effect is poor. When encountering bumpy roads, it is easy to make passengers feel uncomfortable, which in turn affects the comfort of the seats. Utility Model Content

[0006] The purpose of the utility model is to provide a seat electric slide rail lifting assembly to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] It comprises a bottom plate, a movable plate is arranged above the bottom plate, and a lifting assembly is arranged between the bottom plate and the movable plate;

[0009] The lifting assembly includes a fixed seat, a gear, a moving block, teeth and a connecting rod. The adjacent sides of the moving plate and the lifting assembly are symmetrically fixedly connected to the fixed seat, the surface of the fixed seat is symmetrically rotatably connected to the gear, one side of the gear surface is fixedly connected to a connecting rod, and the adjacent ends of the connecting rods on the upper and lower sides are hinged by a hinge shaft, a moving block with a Z-shaped structure is provided on the side of the fixed seat surface close to the gear, a plurality of groups of teeth are fixedly connected to the side of the moving block surface close to the gear, and the moving block is meshed with the gear through the teeth.

[0010] Preferably, two groups of second connecting plates are further provided on the inner wall of the box body, a sliding block is fixedly connected to one side of the surface of the moving block close to the fixed seat, and the sliding block is slidably connected inside the fixed seat.

[0011] Preferably, a motor is installed on the surface of the base plate, a screw is fixedly connected to the output end of the motor, and the screw is rotatably connected to the surface of the base plate through a bearing seat, a movable plate is meshingly connected to the surface of the screw, and the movable plate is fixedly connected between two groups of moving blocks located below.

[0012] Preferably, two sets of pulleys are fixedly and symmetrically mounted on one side of the surface of the movable plate, a track is fixedly connected to one side of the surface of the bottom plate close to the pulleys, and the pulleys are slidably connected inside the track.

[0013] Preferably, a buffer assembly is provided on the surface of the movable plate, and the buffer assembly includes a buffer plate, a fixed rod and a buffer spring. A buffer plate is provided above the movable plate, and a plurality of groups of fixed rods are fixedly connected to the bottom surface of the buffer plate. A buffer spring is sleeved on the surface of the fixed rod, and both ends of the buffer spring are respectively in contact with the buffer plate and the movable plate.

[0014] Preferably, the cross-sectional shape of the fixing rod is T-shaped, and a rubber ring pad is fixedly connected to a side of the surface of the fixing rod close to the bottom surface of the movable plate.

[0015] Preferably, a breathable pad is provided on the surface of the buffer plate, and a Velcro fleece surface and a hook surface are provided on adjacent surfaces of the breathable pad and the buffer plate, respectively, and the breathable pad and the buffer plate are connected via the Velcro fleece surface and the hook surface.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model sets a lifting assembly for pushing the moving plate to move inside the box. First, the motor is started to drive the screw to rotate, and then the screw drives the moving blocks on both sides to move synchronously through the movable plate. Then, the two sets of moving blocks can drive the two sets of gears to flip relative to each other through the teeth, and then drive the two sets of connecting rods on the lower side to flip, so that the connecting rods are unfolded, and then push the upper fixed seat to move upward to achieve the height adjustment of the seat. The height adjustment is not sensitive enough, and the seat moves stably during the lifting process.

[0018] 2. The utility model provides a buffer component, and the buffer spring can buffer the vibration impact to reduce the impact of vibration on the passengers. The buffer spring is in a compressed state, and can gradually reduce the amplitude of the buffer plate when the buffer plate is vibrated, thereby achieving a shock-absorbing and buffering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the movable block and the fixed seat of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the air-permeable pad and the buffer plate of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the buffer spring and the fixing rod of the utility model.

[0023] In the figure: 1, bottom plate; 2, movable plate;

[0024] 3. Lifting assembly; 31. Pulley; 32. Track; 33. Fixed seat; 34. Slider; 35. Gear; 36. Moving block; 37. Tooth; 38. Connecting rod; 39. Motor; 310. Screw; 311. Movable plate;

[0025] 4. Buffer assembly; 41. Breathable pad; 42. Buffer plate; 43. Fixing rod; 44. Buffer spring. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-4 , the utility model provides a technical solution:

[0028] Embodiment 1:

[0029] The electric seat rail lifting assembly comprises a bottom plate 1, a movable plate 2 is arranged above the bottom plate 1, and a lifting component 3 is arranged between the bottom plate 1 and the movable plate 2;

[0030] The lifting assembly 3 includes a fixed seat 33, a gear 35, a moving block 36, teeth 37 and a connecting rod 38. The adjacent sides of the moving plate 2 and the lifting assembly 3 are symmetrically fixedly connected with the fixed seat 33. The surface of the fixed seat 33 is symmetrically connected with the gear 35. The connecting rod 38 is fixedly connected to one side of the surface of the gear 35, and the adjacent ends of the connecting rods 38 on the upper and lower sides are hinged by a hinge shaft. A moving block 36 with a Z-shaped structure is provided on the side of the surface of the fixed seat 33 close to the gear 35. The side of the surface of the moving block 36 close to the gear 35 is fixedly connected with a plurality of groups of teeth 37. 7, and the moving block 36 is meshed and connected with the gear 35 through the teeth 37. When the moving block 36 on the lower side is driven to move, the teeth 37 can drive the two sets of gears 35 to flip relative to each other, thereby driving the two sets of connecting rods 38 on the lower side to flip, so that the connecting rods 38 are unfolded, thereby pushing the upper fixed seat 33 to move upward. At the same time, the connecting rods 38 will drive the upper gear 35 to flip, and the upper moving block 36 and the gear 35 are meshed and connected with each other, thereby improving the stability of the unfolding of the connecting rods 38, thereby realizing the height adjustment of the moving plate 2 and improving the stability of the seat adjustment;

[0031] A slider 34 is fixedly connected to one side of the surface of the moving block 36 close to the fixed seat 33, and the slider 34 is slidably connected inside the fixed seat 33. When the moving block 36 moves, it drives the slider 34 to slide inside the fixed seat 33, thereby ensuring the connection between the moving block 36 and the fixed seat 33.

[0032] A motor 39 is installed on the surface of the bottom plate 1, and a screw 310 is fixedly connected to the output end of the motor 39, and the screw 310 is rotatably connected to the surface of the bottom plate 1 through a bearing seat, and a movable plate 311 is meshedly connected to the surface of the screw 310, and the movable plate 311 is fixedly connected between two groups of moving blocks 36 located below. By starting the motor 39, the screw 310 can be driven to rotate, and then the screw 310 will drive the moving blocks 36 on both sides to move synchronously through the movable plate 311, so as to realize automatic adjustment of the seat height;

[0033] Two sets of pulleys 31 are fixedly and symmetrically installed on one side of the surface of the moving plate 2, and a track 32 is fixedly connected to one side of the surface of the bottom plate 1 close to the pulley 31, and the pulley 31 is slidably connected inside the track 32. When the moving plate 2 moves, it will drive the pulley 31 to slide inside the track 32. The moving plate 2 is limited by the track 32 and the pulley 31, so as to further improve the stability of the seat lifting adjustment;

[0034] Embodiment 2:

[0035] Although the above technical solution uses the lifting assembly 3 to make the motor 39 drive the movable plate 2 to move vertically and stably so as to facilitate the seat height adjustment, it is easy to make the passengers feel uncomfortable when encountering a bumpy road section, thereby affecting the comfort of the seat. Therefore, in this embodiment, a buffer assembly 4 is provided on the surface of the movable plate 2. The buffer assembly 4 includes a buffer plate 42, a fixed rod 43 and a buffer spring 44. The buffer plate 42 is provided above the movable plate 2, and a plurality of fixed rods 43 are fixedly connected to the bottom surface of the buffer plate 42. The surface of the fixed rod 43 is sleeved with a buffer spring. The spring 44 is provided, and the two ends of the buffer spring 44 are respectively in conflict with the buffer plate 42 and the movable plate 2. The cross-sectional shape of the fixed rod 43 is T-shaped, and a rubber ring pad is fixedly connected to the side of the surface of the fixed rod 43 close to the bottom surface of the movable plate 2. When the movable plate 2 is vibrated, the movable plate 2 is subjected to the impact force to squeeze the buffer spring 44 to contract, and the impact force is buffered by the buffer spring 44 to reduce the impact of the vibration on the passengers, and the buffer spring 44 is in a compressed state, which can gradually reduce the amplitude of the buffer plate 42 when the buffer plate 42 is vibrated, thereby achieving a shock-absorbing and buffering effect;

[0036] The surface of the buffer plate 42 is provided with a breathable pad 41, and the adjacent sides of the breathable pad 41 and the buffer plate 42 are respectively provided with a Velcro fleece surface and a hook surface, and the breathable pad 41 and the buffer plate 42 are connected by the Velcro fleece surface and the hook surface. The breathable pad 41 can improve the ventilation effect of the seat and improve the comfort of the passengers. The breathable pad 41 and the buffer plate 42 are connected by Velcro, so the breathable pad 41 can be disassembled, cleaned or replaced.

[0037] Working principle: Starting the motor 39 can drive the screw rod 310 to rotate, and then the screw rod 310 will drive the moving blocks 36 on both sides to move synchronously through the movable plate 311, and then the two groups of moving blocks 36 can drive the two groups of gears 35 to flip relative to each other through the teeth 37, and then drive the two groups of connecting rods 38 on the lower side to flip, so that the connecting rods 38 can be unfolded, and then push the upper fixed seat 33 to move upward, and at the same time, the connecting rod 38 will drive the upper gear 35 to flip, and the upper moving block 36 and the gear 35 are meshed and connected with each other, so as to improve the stability of the unfolding of the connecting rod 38, and then realize the height adjustment of the moving plate 2, improve the stability of the seat adjustment, and the moving plate 2 will drive the pulley 31 to slide inside the track 32 when moving, and the moving plate 2 is limited by the track 32 and the pulley 31, so as to further improve the stability of the seat lifting adjustment;

[0038] Then, when the movable plate 2 is vibrated, the movable plate 2 will be subjected to the impact force to squeeze the buffer spring 44 to contract, and the impact force is buffered by the buffer spring 44 to reduce the impact of the vibration on the passengers, and the buffer spring 44 is in a compressed state, which can gradually reduce the amplitude of the buffer plate 42 when the buffer plate 42 is vibrated, thereby achieving a shock-absorbing and buffering effect. The breathable pad 41 can improve the ventilation effect of the seat and improve the comfort of the passengers, and the breathable pad 41 and the buffer plate 42 are connected by Velcro, so the breathable pad 41 can be disassembled, cleaned or replaced.

[0039] 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 seat electric slide rail lifting assembly, comprising a base plate (1), a movable plate (2) being arranged above the base plate (1), characterized in that: A lifting assembly (3) is provided between the bottom plate (1) and the movable plate (2); The lifting assembly (3) comprises a fixed seat (33), a gear (35), a moving block (36), teeth (37) and a connecting rod (38); the moving plate (2) and the lifting assembly (3) are symmetrically fixedly connected to the fixed seat (33) on adjacent surfaces; the surface of the fixed seat (33) is symmetrically rotatably connected to the gear (35); one side of the surface of the gear (35) is fixedly connected to the connecting rod (38); and adjacent ends of the connecting rod (38) on upper and lower sides are hinged via a hinge shaft; a moving block (36) with a Z-shaped structure is provided on the side of the surface of the fixed seat (33) close to the gear (35); a plurality of groups of teeth (37) are fixedly connected to the side of the surface of the moving block (36) close to the gear (35); and the moving block (36) is meshedly connected to the gear (35) via the teeth (37).

2. The electric seat slide rail lifting assembly according to claim 1 is characterized in that: A sliding block (34) is fixedly connected to one side of the surface of the moving block (36) close to the fixed seat (33), and the sliding block (34) is slidably connected inside the fixed seat (33).

3. The electric seat rail lifting assembly according to claim 1 is characterized in that: A motor (39) is installed on the surface of the base plate (1), and a screw rod (310) is fixedly connected to the output end of the motor (39), and the screw rod (310) is rotatably connected to the surface of the base plate (1) through a bearing seat, and a movable plate (311) is meshingly connected to the surface of the screw rod (310), and the movable plate (311) is fixedly connected between two groups of moving blocks (36) located below.

4. The electric seat rail lifting assembly according to claim 1 is characterized in that: Two groups of pulleys (31) are fixedly and symmetrically mounted on one side of the surface of the movable plate (2); a track (32) is fixedly connected to one side of the surface of the bottom plate (1) close to the pulleys (31); and the pulleys (31) are slidably connected inside the track (32).

5. The electric seat slide rail lifting assembly according to claim 1 is characterized in that: A buffer assembly (4) is arranged on the surface of the movable plate (2), and the buffer assembly (4) comprises a buffer plate (42), a fixed rod (43) and a buffer spring (44). A buffer plate (42) is arranged above the movable plate (2), and a plurality of groups of fixed rods (43) are fixedly connected to the bottom surface of the buffer plate (42). A buffer spring (44) is sleeved on the surface of the fixed rod (43), and two ends of the buffer spring (44) are respectively in contact with the buffer plate (42) and the movable plate (2).

6. The electric seat slide rail lifting assembly according to claim 5 is characterized in that: The cross-sectional shape of the fixing rod (43) is T-shaped, and a rubber ring pad is fixedly connected to the side of the surface of the fixing rod (43) close to the bottom surface of the moving plate (2).

7. The electric seat slide rail lifting assembly according to claim 5 is characterized in that: The surface of the buffer plate (42) is provided with a breathable pad (41), and adjacent surfaces of the breathable pad (41) and the buffer plate (42) are respectively provided with a Velcro fleece surface and a hook surface, and the breathable pad (41) and the buffer plate (42) are connected via the Velcro fleece surface and the hook surface.

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