CN214647751U - Effectual car seat of shock attenuation - Google Patents

Abstract

The utility model discloses an automobile seat with good damping effect, which comprises a seat body and a damping mechanism arranged at the bottom of the seat body; the seat body comprises a cushion, a backrest and a headrest; the damping mechanism comprises a base, a top plate, a first damping mechanism, a second damping mechanism and an interval adjusting mechanism, the top plate is arranged on the upper portion of the base in parallel, the cushion is arranged at the top end of the top plate, four corners of the bottom end of the base are respectively provided with a cushion foot, the first damping mechanism is respectively arranged at four corners between the base and the top plate, the second damping mechanism is arranged in the middle between the base and the top plate, the interval adjusting mechanism is arranged at the bottom of the second damping mechanism, and a preset interval between the base and the top plate is adjusted through the interval adjusting mechanism; the first damping mechanism comprises a sliding sleeve, a first pressure spring and a sliding column; the second damping mechanism comprises a fixed block, a diagonal bracing arm, a sliding block and a second pressure spring. The utility model discloses aim at solving current car seat damping performance poor, be not convenient for adjust shock attenuation intensity scheduling problem.

Description

Effectual car seat of shock attenuation

Technical Field

The utility model relates to a car seat technical field especially relates to an effectual car seat of shock attenuation.

Background

The automobile seat is a seat used when a user sits on the automobile seat, generally comprises a headrest, a backrest and a cushion, and along with the improvement of science and technology and the improvement of living standard, people start to have higher requirements on the comfort level of the automobile seat, wherein the damping performance is an important index for embodying the comfort level of the automobile seat, the existing automobile seat generally has a damping function, one is to damp through an elastic cushion, and the other is to damp through a mechanical damper.

Among the prior art, no matter carry out the shock attenuation through cushion or mechanical shock absorber, its shock attenuation performance does exist the defect at all, the shock attenuation effect is relatively poor, when the car goes on the road surface of jolting, the personnel of taking still can experience stronger vibration, influence personnel's the experience of taking, car seat also can damage because of violent vibrations, its life has been influenced, secondly, current car seat can not adjust damping strength, the shock attenuation demand when the personnel of taking of different weight and going on the road surface of different road conditions that can not be fine satisfies.

To above technical problem, the utility model discloses an effectual car seat of shock attenuation, the utility model has the advantages of improve car seat's shock attenuation performance, extension car seat's life, be convenient for adjust shock absorber strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, a effectual car seat of shock attenuation is provided, with solve among the prior art no matter carry out the shock attenuation through cushion or mechanical shock absorber, its damping performance has the defect at will, the shock attenuation effect is relatively poor, when the car goes on the road surface of jolting, the person of taking still can experience stronger vibration, influence the experience of taking of personnel, car seat also can damage because of violent vibrations, its life has been influenced, secondly, current car seat can not adjust damping strength, the technical problem such as damping demand when the person of taking of different weight of satisfying that can not be fine and go on different road surfaces, the utility model has the advantages of improve car seat's damping performance, extension car seat's life, be convenient for adjust damping strength.

The utility model discloses a following technical scheme realizes: the utility model discloses an automobile seat with good damping effect, which comprises a seat body and a damping mechanism arranged at the bottom of the seat body; the seat body comprises a cushion, a backrest and a headrest, the bottom end of the backrest is hinged with the rear end of the cushion, and the headrest is arranged at the top of the backrest; the damping mechanism comprises a base, a top plate, a first damping mechanism, a second damping mechanism and an interval adjusting mechanism, the top plate is parallel to the base and is arranged at the upper part of the base, a cushion is fixedly arranged at the top end of the top plate, four corners of the bottom end of the base are respectively provided with a pad foot, the first damping mechanism is respectively arranged at four corners between the base and the top plate, the second damping mechanism is arranged in the middle between the base and the top plate, the interval adjusting mechanism is arranged at the bottom of the second damping mechanism, a preset interval between the base and the top plate is adjusted through the interval adjusting mechanism, and the preset interval is an interval between the base and the top plate when the top of the automobile seat is not bearing pressure in a normal state; the first damping mechanism comprises a sliding sleeve, a first pressure spring and a sliding column, the sliding sleeve is fixedly installed at four corners of the top end of the base respectively, a sliding cavity is formed in the sliding sleeve, a first through hole is formed in the top end of the sliding sleeve, the diameter of the first through hole is smaller than that of the sliding cavity, the first pressure spring is arranged in the sliding cavity, a limiting block is further arranged in the sliding cavity, the limiting block is located at the upper portion of the first pressure spring, the diameter of the limiting block is larger than that of the first through hole, the sliding column is arranged at four corners of the bottom end of the top plate corresponding to the position of the sliding sleeve respectively, and the bottom end of the sliding column penetrates through the first through hole to be fixedly connected with the limiting block; the second damper includes the fixed block, the bracing arm, slider and second pressure spring, the fixed middle part that sets up in the roof bottom of fixed block, four edge punishments of fixed block do not are provided with first articulated seat, the number of bracing arm is four, the top of four bracing arms is articulated with the first articulated seat of four edge departments of fixed block respectively, be provided with the spout respectively between four corners of center to base by the base in the top of base, be provided with the guide arm along the direction of spout in the spout, the slider slip cap is established at the middle part of guide arm, the top of slider is provided with the articulated seat of second, the bottom of four bracing arms is articulated with the articulated seat of second respectively, the both sides that just are located the slider respectively are established to the second pressure spring cover on the guide arm.

Preferably, in order to adjust the preset distance between the base and the top plate conveniently, the distance adjusting mechanism comprises a stud, a limiting plate, a limiting sleeve and a rotating handle, the stud is vertically arranged at the bottom end of the fixing block, the limiting plate is arranged between the base and the fixing block, four corners at the bottom end of the limiting plate are fixedly connected with the base through supporting columns, a second through hole is arranged on the limiting plate corresponding to the position of the stud, a third through hole is arranged in the middle of the base corresponding to the position of the stud, the limiting sleeve is arranged at the bottom of the limiting plate, the bottom of the limiting sleeve extends into the third through hole, a threaded cavity with an opening at the top is vertically arranged in the middle of the limiting sleeve, the bottom end of the stud downwards penetrates through the second through hole to be screwed in the threaded cavity, the rotating handle is fixedly arranged at the bottom end of the limiting sleeve, the rotating handle is L-shaped, and the outer end part of the rotating handle horizontally extends out of the edge part of the base towards the direction of any side of the left side and the right side, the bottom end of the rotating handle is positioned at the upper part of the bottom end of the foot pad.

Preferably, in order to facilitate the passengers to rotate the rotating handle, the outer end part of the rotating handle is sleeved with a rubber sleeve.

Preferably, in order to prevent the impact wear between stop collar and the limiting plate, the top of stop collar is provided with the rubber pad.

Preferably, in order to improve the damping performance of the first damper, a third pressure spring is sleeved on the sliding column and is located between the sliding sleeve and the top plate.

Preferably, in order to improve the damping performance of the automobile seat, a fourth pressure spring is arranged between the fixing block and the limiting plate, and the fourth pressure spring is sleeved outside the stud.

The utility model has the advantages of it is following:

(1) the utility model discloses in, four corners between base and the roof are provided with first damper respectively, first damper has guaranteed that car seat moves in the vertical direction and can not rock all around when receiving vibrations, improved car seat's stationarity, the shock-absorbing performance of car seat has also been improved simultaneously, middle part between base and the roof is provided with second damper, second damper can disperse the vibrations that the car received in the vertical direction to the horizontal direction between the four corners of base in the middle part of base to the base, thereby reduce the vibrations in the vertical direction, reduce the sense of shock that the personnel of taking experienced, improve car seat's shock-absorbing performance, prolong car seat's life;

(2) the utility model discloses in, second damper's bottom is provided with interval adjustment mechanism, adjust the predetermined interval between base and the roof through interval adjustment mechanism, it is under normal condition promptly to predetermine the interval, when car seat's top does not bear the pressure, interval between base and the roof, change the initial compression volume of second pressure spring and fourth pressure spring among first pressure spring and third pressure spring and the second damper in the base can be changed to predetermine interval between base and the roof, and then adjust first damper and second damper's shock attenuation intensity, with the shock attenuation demand when being applicable to the person of taking of different weight and traveling on different road surfaces.

Drawings

FIG. 1 is a side view of the present invention in cross section;

fig. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of a first dampening mechanism;

FIG. 4 is a top view of the base and the second shock absorbing mounting structure;

fig. 5 is an enlarged view of a structure a in fig. 1.

In the figure: 1. a seat body; 11. a cushion; 12. a backrest; 13. a headrest; 2. a damping mechanism; 21. a base; 211. a chute; 22. a top plate; 23. a first damper mechanism; 231. a sliding sleeve; 232. a first pressure spring; 233. a traveler; 234. a third pressure spring; 24. a second damper mechanism; 241. a fixed block; 242. a diagonal bracing arm; 243. a slider; 244. a second pressure spring; 25. a spacing adjustment mechanism; 251. a stud; 252. a limiting plate; 253. a limiting sleeve; 254. turning a handle; 3. a foot pad; 4. a slide chamber; 5. a first through hole; 6. a limiting block; 7. a first hinge mount; 8. a guide bar; 9. a second hinge mount; 10. a support pillar; 100. a second through hole; 110. a third through hole; 120. a threaded cavity; 130. a rubber sleeve; 140. a rubber pad; 150. and a fourth pressure spring.

Detailed Description

The following is a detailed description of the embodiments of the present invention, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments, and in the description of the present invention, the directions or positional relationships indicated by the terms "left", "right", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus cannot be understood as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

Embodiment 1 discloses an automobile seat with good shock absorption effect, as shown in fig. 1 and 2, comprising a seat body 1 and a shock absorption mechanism 2 arranged at the bottom of the seat body 1; the seat body 1 comprises a cushion 11, a backrest 12 and a headrest 13, the bottom end of the backrest 12 is hinged with the rear end of the cushion 11, the headrest 13 is arranged at the top of the backrest 12, and the seat body 1 is mature prior art, so the specific structure of the seat body 1 is not repeated in the text and the attached drawings of the application, but the understanding of the technical scheme of the utility model is not affected, the utility model aims at improving the damping performance of the automobile seat, therefore, the improvement point of the utility model is the improvement of the damping mechanism 2 at the bottom of the seat body 1, and the text and the attached drawings of the application describe the specific structure and the working principle of the damping mechanism 2 in detail; as shown in fig. 1, the damping mechanism 2 includes a base 21, a top plate 22, a first damping mechanism 23, a second damping mechanism 24 and an interval adjusting mechanism 25, the top plate 22 is parallel to the base 21 and is disposed on the upper portion of the base 21, the seat cushion 11 is fixedly disposed on the top end of the top plate 22, four corners of the bottom end of the base 21 are respectively provided with a pad foot 3, the first damping mechanism 23 is respectively disposed on four corners between the base 21 and the top plate 22, the second damping mechanism 24 is disposed in the middle between the base 21 and the top plate 22, the interval adjusting mechanism 25 is disposed on the bottom of the second damping mechanism 24, a preset interval between the base 21 and the top plate 22 is adjusted by the interval adjusting mechanism 25, and the preset interval is an interval between the base 21 and the top plate 22 when the top of the car seat is not bearing pressure in a normal state; as shown in fig. 3, the first damping mechanism 23 includes a sliding sleeve 231, a first pressure spring 232 and a sliding column 233, the sliding sleeve 231 is respectively and fixedly installed at four corners of the top end of the base 21, a sliding cavity 4 is arranged inside the sliding sleeve 231, a first through hole 5 is arranged at the top end of the sliding sleeve 231, the diameter of the first through hole 5 is smaller than that of the sliding cavity 4, the first pressure spring 232 is arranged in the sliding cavity 4, a limit block 6 is further arranged in the sliding cavity 4, the limit block 6 is located at the upper part of the first pressure spring 232, the diameter of the limit block 6 is larger than that of the first through hole 5, the sliding column 233 is respectively arranged at four corners of the bottom end of the top plate 22 corresponding to the position of the sliding sleeve 231, the bottom end of the sliding column 233 passes through the first through hole 5 and is fixedly connected with the limit block 6, a third pressure spring 234 is sleeved on the sliding column 233, and the third pressure spring 234 is located between the sliding sleeve 231 and the top plate 22; as shown in fig. 1 and 4, the second damping mechanism 24 includes a fixed block 241, four diagonal bracing arms 242, a sliding block 243 and a second pressure spring 244, the fixed block 241 is fixedly disposed in the middle of the bottom end of the top plate 22, four edges of the fixed block 241 are respectively provided with a first hinge seat 7, the number of the diagonal bracing arms 242 is four, the top ends of the four diagonal bracing arms 242 are respectively hinged to the first hinge seats 7 at the four edges of the fixed block 241, sliding grooves 211 are respectively disposed between the center of the base 21 and four corners of the base 21 at the top end of the base 21, guide rods 8 are disposed in the sliding grooves 211 along the direction of the sliding grooves, a sliding block 243 is slidably disposed in the middle of the guide rods 8, the top end of the sliding block 243 is provided with a second hinge seat 9, the bottom ends of the four diagonal bracing arms 242 are respectively hinged to the second hinge seats 9, the second pressure springs 244 are disposed on the guide rods 8 and are respectively located at two sides of the sliding block 243, as shown in fig. 5, the spacing adjusting mechanism 25 comprises a stud 251, a limiting plate 252, a limiting sleeve 253 and a rotating handle 254, the stud 251 is vertically arranged at the bottom end of the fixing block 241, the limiting plate 252 is arranged between the base 21 and the fixing block 241, four corners of the bottom end of the limiting plate 252 are fixedly connected with the base 21 through support columns 10, a second through hole 100 is arranged on the limiting plate 252 corresponding to the stud 251, a third through hole 110 is arranged in the middle of the base 21 corresponding to the stud 251, the limiting sleeve 253 is arranged at the bottom of the limiting plate 252, the bottom of the limiting sleeve 253 extends into the third through hole 110, a threaded cavity 120 with an opening at the top is vertically arranged in the middle of the limiting sleeve 253, the bottom end of the stud downwards penetrates through the second through hole 100 to be screwed in the threaded cavity 120, and the rotating handle 254 is fixedly arranged at the bottom end of the limiting sleeve 253; as shown in fig. 2, the rotating handle 254 is L-shaped, the outer end of the rotating handle 254 horizontally extends out of the edge of the base 21 towards either left or right side, the bottom end of the rotating handle 254 is positioned at the upper part of the bottom end of the foot pad 3, and the outer end of the rotating handle 254 is sleeved with the rubber sleeve 130; as shown in fig. 5, a rubber pad 140 is disposed on the top of the limiting sleeve 253, a fourth pressure spring 150 is disposed between the fixing block 241 and the limiting plate 252, and the fourth pressure spring 150 is sleeved outside the stud 251.

The working principle of the utility model is as follows: when the automobile seat is subjected to vibration force, the top plate 22 descends, so that the first pressure spring 232 and the third pressure spring 234 in the first damping mechanism 23 are compressed, meanwhile, the upward reaction force generated by the first pressure spring 232 and the third pressure spring 234 on the top plate 22 achieves a damping effect, the first damping mechanism 23 ensures that the automobile seat vibrates in the vertical direction and cannot shake front, back, left and right, so that the automobile seat is more stable, in the second damping mechanism 24, the fixed block 241 moves downwards and drives the stud 251, the limiting sleeve 253 and the rotating handle 254 to move downwards, meanwhile, the inclined support arm 242 rotates, the bottom end of the inclined support arm 242 pushes the slider 243 to slide outwards in the sliding groove 211, further, the slider 243 starts to compress the second pressure spring 244 on the outer side, the second pressure spring 244 on the outer side of the slider 243 generates an inward reaction force on the slider 243, so that the damping effect is achieved, and meanwhile, the inclined support arm 242 disperses the vibration force applied to the automobile seat in the vertical direction to the horizontal direction between the middle of the base 21 and four corners of the base 21 The vibration force applied to the automobile seat in the vertical direction is reduced, the vibration feeling felt by passengers is reduced, and the vibration absorption performance of the automobile seat is improved; when the damping performance of the automobile seat needs to be adjusted, the rotating handle 254 is rotated in the forward and reverse directions, so that the limiting sleeve 253 is driven to rotate forward and reversely, the bottom of the stud 251 is screwed in the threaded cavity 120 in the middle of the limiting sleeve 253, the stud 251 is driven to move up and down in the threaded cavity 120 by the forward and reverse rotation of the limiting sleeve 253, the ejector rod 22 is driven to move up and down, the preset distance between the base 21 and the top plate 22 is adjusted, the initial compression amounts of the first pressure spring 232 and the third pressure spring 234 in the first damping mechanism 23 and the initial compression amounts of the second pressure spring 244 and the fourth pressure spring 150 in the second damping mechanism 24 are adjusted, and the aim of adjusting the damping strength of the automobile seat is fulfilled. For example, when the automobile runs on a flat road surface, the preset distance between the base 21 and the top plate 22 can be adjusted and increased, the initial compression amounts of the first pressure spring 232, the second pressure spring 244, the third pressure spring 234 and the fourth pressure spring 150 are reduced, the compression speeds of the first pressure spring 232, the second pressure spring 244, the third pressure spring 234 and the fourth pressure spring 150 are reduced, the compression strokes of the first pressure spring 232, the second pressure spring 244, the third pressure spring 234 and the fourth pressure spring 150 are increased, better comfort is brought to passengers, when the automobile runs on a road surface with uneven pits, the preset distance between the base 21 and the top plate 22 can be adjusted and decreased, the compression strokes of the first pressure spring 232, the second pressure spring 244, the third pressure spring 234 and the fourth pressure spring 150 are increased, the compression speeds of the first pressure spring 232, the second pressure spring 244, the third pressure spring 234 and the fourth pressure spring 150 are increased, the compression strokes of the first pressure spring 232, the second pressure spring 244, the third pressure spring 234 and the fourth pressure spring 150 are reduced, the automobile seat is prevented from jolting greatly, and the aim of rapid shock absorption is fulfilled; when a person with heavier weight sits on the automobile seat, the pressure on the automobile seat is larger, the preset distance between the base 21 and the top plate 22 can be adjusted and increased appropriately, when a person with lighter weight sits on the automobile seat, the pressure on the automobile seat is reduced, and the preset distance between the base 21 and the top plate 22 can be adjusted and decreased appropriately. The utility model has the advantages of improve car seat's shock attenuation performance, extension car seat's life, be convenient for adjust shock attenuation intensity.

Claims (6)

1. An automobile seat with good damping effect is characterized by comprising a seat body and a damping mechanism arranged at the bottom of the seat body;

the seat body comprises a seat cushion, a backrest and a headrest, the bottom end of the backrest is hinged with the rear end of the seat cushion, and the headrest is arranged at the top of the backrest;

the damping mechanism comprises a base, a top plate, a first damping mechanism, a second damping mechanism and an interval adjusting mechanism, the top plate is parallel to the base and is arranged at the upper part of the base, the cushion is fixedly arranged at the top end of the top plate, four corners of the bottom end of the base are respectively provided with a pad foot, the first damping mechanism is respectively arranged at four corners between the base and the top plate, the second damping mechanism is arranged at the middle part between the base and the top plate, the interval adjusting mechanism is arranged at the bottom of the second damping mechanism, and the interval adjusting mechanism is used for adjusting the preset interval between the base and the top plate;

the first damping mechanism comprises a sliding sleeve, a first pressure spring and a sliding column, the sliding sleeve is fixedly installed at four corners of the top end of the base respectively, a sliding cavity is formed in the sliding sleeve, a first through hole is formed in the top end of the sliding sleeve, the diameter of the first through hole is smaller than that of the sliding cavity, the first pressure spring is arranged in the sliding cavity, a limiting block is further arranged in the sliding cavity and located at the upper portion of the first pressure spring, the diameter of the limiting block is larger than that of the first through hole, the sliding column is correspondingly arranged at the four corners of the bottom end of the top plate with the position of the sliding sleeve respectively, and the bottom end of the sliding column penetrates through the first through hole and is fixedly connected with the limiting block;

second damper includes fixed block, bracing strut, slider and second pressure spring, the fixed block is fixed to be set up the middle part of roof bottom, four edge punishment of fixed block do not are provided with first articulated seat, the number of bracing strut is four, four the top of bracing strut respectively with four edge departments of fixed block first articulated seat is articulated, the top of base by the center of base extremely be provided with the spout between four corners of base respectively, follow in the spout the direction of spout is provided with the guide arm, the slider slip cap is established the middle part of guide arm, the top of slider is provided with the articulated seat of second, four the bottom of bracing strut respectively with the articulated seat of second is articulated, the second pressure spring cover is established just be located respectively on the guide arm the both sides of slider.

2. The automobile seat with good shock absorption effect as claimed in claim 1, wherein the spacing adjustment mechanism comprises a stud, a limiting plate, a limiting sleeve and a rotating handle, the stud is vertically arranged at the bottom end of the fixing block, the limiting plate is arranged between the base and the fixing block, four corners of the bottom end of the limiting plate are fixedly connected with the base through supporting columns, a second through hole is arranged on the limiting plate corresponding to the position of the stud, a third through hole is arranged in the middle of the base corresponding to the position of the stud, the limiting sleeve is arranged at the bottom of the limiting plate, the bottom of the limiting sleeve extends into the third through hole, a threaded cavity with an opening at the top is vertically arranged in the middle of the limiting sleeve, the bottom end of the stud downwards penetrates through the second through hole to be screwed in the threaded cavity, and the rotating handle is fixedly arranged at the bottom end of the limiting sleeve, the rotating handle is L-shaped, the outer end part of the rotating handle horizontally extends out of the edge part of the base towards the left side and the right side, and the bottom end of the rotating handle is positioned at the upper part of the bottom end of the foot pad.

3. The car seat with good shock absorption effect as claimed in claim 2, wherein the outer end part of the rotating handle is sleeved with a rubber sleeve.

4. The car seat with good shock absorption effect as claimed in claim 2, wherein a rubber pad is arranged at the top of the limiting sleeve.

5. The vehicle seat with good shock absorption effect as claimed in claim 1, wherein a third compression spring is sleeved on the sliding column, and the third compression spring is located between the sliding sleeve and the top plate.

6. The automobile seat with the good shock absorption effect as claimed in claim 2, wherein a fourth compression spring is arranged between the fixing block and the limiting plate, and the fourth compression spring is sleeved outside the stud.

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