CN211710677U

CN211710677U - Automobile seat damping device

Info

Publication number: CN211710677U
Application number: CN202020085065.1U
Authority: CN
Inventors: 魏忠; 华军; 尤佳
Original assignee: Haoxin Auto Parts Manufacturing Wuxi Co ltd
Current assignee: Haoxin Auto Parts Manufacturing Wuxi Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-20
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a car seat damping device, including sleeve pipe, protection casing and mounting panel, first piston is installed to sheathed tube inside below, and is provided with first spring post between the below of first piston and the sleeve pipe, sheathed tube inside top is provided with the second piston, sheathed tube middle part surface is inlayed respectively and is had first one-way admission valve and first one-way relief valve, the protection casing is installed to sheathed tube outside bolt, and the draw-in groove has all been seted up to the inside bottom surface of protection casing and the lower surface of mounting panel. This car seat damping device is provided with first piston and second piston, and in the in-process of using, the design of double-piston for first piston can be cushioned by the air between first piston and the second piston, and the second piston can be cushioned the shock attenuation again by the air between second piston and the sleeve pipe, is coordinating the use of rubber pad simultaneously, makes first piston and second piston possess triple buffering shock attenuation performance.

Description

Automobile seat damping device

Technical Field

The utility model relates to a car seat damping device technical field specifically is a car seat damping device.

Background

The automobile can generate vibration in the driving process, and corresponding damping structures are arranged under the automobile seat to avoid serious influence of the vibration on a driver, so that various types of damping devices can be applied, however, the existing damping devices have certain problems in the using process;

the existing damping device mostly adopts double or triple damping, the damping effect is general, certain vibration still exists in the seat when the seat is used, the driving of a driver is influenced, and the practicability of the device is reduced.

We have therefore proposed a car seat shock absorbing device in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car seat damping device to solve the relatively poor problem of car seat damping device effect on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a shock-absorbing device for an automobile seat comprises a sleeve, a protective shell and a mounting plate, wherein a first piston is arranged below the inner part of the sleeve, a first spring column is arranged between the lower part of the first piston and the sleeve, a second piston is arranged above the inner part of the sleeve, rubber pads are adhered on the lower surface of the second piston and the upper surface of the first piston, and the upper part of the second piston is in threaded connection with a connecting rod which penetrates through the sleeve, the upper end of the connecting rod is in threaded connection with a mounting plate, a first one-way air inlet valve and a first one-way pressure relief valve are respectively embedded on the outer surface of the middle part of the sleeve, and the outer surface of the lower part of the sleeve is respectively embedded with a second one-way air inlet valve and a second one-way pressure release valve, the outer side of the sleeve is provided with a protective shell by a bolt, and the inside bottom surface of protection casing and the lower surface of mounting panel all seted up the draw-in groove to the middle part of draw-in groove is inlayed and is had the second spring post.

Preferably, the first piston and the second piston have the same structure, the first piston and the second piston and the sleeve form a sliding structure, the outer diameters of the first piston and the second piston are larger than that of the rubber pad, and the central lines of the sleeve and the protective shell are overlapped.

Preferably, the central line of the connecting rod and the central line of the second piston are overlapped, and the connecting rod and the sleeve form a sliding structure.

Preferably, first one-way admission valve and first one-way relief valve are the corresponding relation, and first one-way admission valve and first one-way relief valve all set up outside between first piston and the second piston.

Preferably, the second one-way air inlet valve and the second one-way pressure relief valve are in a corresponding relationship, the first one-way pressure relief valve and the second one-way air inlet valve are both arranged on the outer side below the second piston, and the second piston forms a sliding structure through the first spring column.

Preferably, the second spring columns are designed at equal angles with respect to the center line of the protective shell, and the number of the second spring columns is 8.

Compared with the prior art, the beneficial effects of the utility model are that: the automobile seat damping device;

1. the double-piston type damping device is provided with a first piston and a second piston, in the using process, the first piston can be buffered by air between the first piston and the second piston, the second piston can be buffered and damped by air between the second piston and a sleeve, and meanwhile, the first piston and the second piston have triple buffering and damping performance by matching with a rubber pad, so that the practicability of the device is improved;

2. be provided with first spring post and second spring post, adopted the design of double spring post for the device can be hierarchical carry out double buffering, simultaneously because first spring post sets up in first piston below, thereby further increase the inside shock-absorbing capacity of sleeve pipe, make the device possess five shock-absorbing capacities simultaneously, greatly improved the shock attenuation effect of device.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the mounting plate of the present invention;

fig. 4 is a schematic view of the top view structure of the protection housing of the present invention.

In the figure: 1. a sleeve; 2. a first piston; 3. a first spring post; 4. a second piston; 5. a rubber pad; 6. a connecting rod; 7. a first one-way intake valve; 8. a first one-way pressure relief valve; 9. a second one-way intake valve; 10. a second one-way pressure relief valve; 11. a protective housing; 12. mounting a plate; 13. a card slot; 14. a second spring post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a damping device for an automobile seat comprises a sleeve 1, a first piston 2, a first spring column 3, a second piston 4, a rubber pad 5, a connecting rod 6, a first one-way air inlet valve 7, a first one-way pressure release valve 8, a second one-way air inlet valve 9, a second one-way pressure release valve 10, a protective shell 11, a mounting plate 12, a clamping groove 13 and a second spring column 14, wherein the first piston 2 is arranged below the inner part of the sleeve 1, the first spring column 3 is arranged between the lower part of the first piston 2 and the sleeve 1, the second piston 4 is arranged above the inner part of the sleeve 1, the rubber pad 5 is adhered to the lower surface of the second piston 4 and the upper surface of the first piston 2, the connecting rod 6 is in threaded connection with the upper part of the second piston 4, the connecting rod 6 penetrates through the sleeve 1, the mounting plate 12 is in threaded connection with the upper end of the connecting rod 6, the first one-way air inlet valve 7 and the first one-, and the outer surface of the lower part of the sleeve 1 is respectively embedded with a second one-way air inlet valve 9 and a second one-way pressure release valve 10, the outer side of the sleeve 1 is bolted with a protection shell 11, the inner bottom surface of the protection shell 11 and the lower surface of the mounting plate 12 are both provided with a clamping groove 13, and the middle part of the clamping groove 13 is embedded with a second spring column 14.

First piston 2 and second piston 4 both structures are the same, and first piston 2 and second piston 4 all constitute sliding structure with sleeve pipe 1, and the external diameter between first piston 2 and second piston 4 all is greater than the external diameter of rubber pad 5, and the central line of sleeve pipe 1 and protection casing 11 both coincides each other simultaneously, the design of above-mentioned structure for first piston 2 and second piston 4 can be effectual slide in sleeve pipe 1 is inside, and rubber pad 5 can provide certain cushioning nature for both simultaneously.

The central line of the connecting rod 6 and the central line of the second piston 4 are superposed with each other, and the connecting rod 6 and the sleeve 1 form a sliding structure.

First one-way admission valve 7 and first one-way relief valve 8 are the corresponding relation, and first one-way admission valve 7 and first one-way relief valve 8 all set up the outside between first piston 2 and second piston 4 two, the design of above-mentioned structure for when first piston 2 extrudees downwards, certain buffering can be carried out to its first piston 2 and the inside air of second piston 4, and when atmospheric pressure reachd the pressure peak simultaneously, can carry out the pressure release through first one-way relief valve 8.

One-way admission valve 9 of second and the one-way relief valve 10 of second are corresponding relation, and first one-way relief valve 8 and the one-way admission valve 9 of second all set up in the below outside of second piston 4, second piston 4 constitutes sliding construction through first spring post 3 simultaneously, the design of above-mentioned structure, when making second piston 4 descend, air between its second piston 4 and the sleeve pipe 1 can cushion it, when atmospheric pressure reachd the pressure crest simultaneously, can carry out the pressure release through the one-way relief valve 10 of second, first spring post 3 of second piston 4 below can be further again provide one deck cushioning nature simultaneously, thereby very big increase the damping performance of device.

The second spring posts 14 are equiangularly designed with respect to the center line of the protection housing 11, and the number of the second spring posts 14 is 8, so that the equiangularly designed second spring posts 14 can firstly buffer the vibration.

The working principle is as follows: in using the automobile seat shock absorbing device, first, as shown in fig. 1-2, the device is mounted and fixed in place, and thus is put into use.

In the using process, as shown in fig. 1-2, when the mounting plate 12 is vibrated, as shown in fig. 1-4, the second spring columns 14 below the mounting plate 12 are pressed to descend so as to provide primary buffering and damping, and when the mounting plate 12 continuously drives the connecting rod 6 to descend, the connecting rod 6 drives the second piston 4 inside the casing 1 to descend so as to enable the second piston 4 to extrude the gas between the first piston 2 and the second piston 4, so that the air inside the first piston 2 and the second piston 4 can buffer the mounting plate 12 again, when the air pressure inside the first piston 2 and the second piston 4 reaches a pressure peak, the air pressure can be relieved through the first one-way relief valve 8 so as to enable the second piston 4 to continuously descend, so that the rubber pad 5 on the lower surface of the first piston 2 is in contact with the rubber pad 5 on the upper surface of the second piston 4, thereby make rubber pad 5 between the two cushion the shock attenuation, first piston 2 is at the in-process that descends simultaneously, can extrude first spring post 3, and can extrude the air between first piston 2 and the sleeve pipe 1, thereby not only make the air between first piston 2 and the sleeve pipe 1 cushion the shock attenuation to first piston 2, still make first spring post 3 participate in the cushion shock attenuation of device, make the device possess multiple buffering shock attenuation function, very big increase the shock attenuation nature of device, thereby accomplish a series of works, the content of not making detailed description in this specification belongs to the known prior art of the professional skilled in the art in this field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a car seat damping device, includes sleeve pipe (1), protection casing (11) and mounting panel (12), its characterized in that: a first piston (2) is installed below the inside of the sleeve (1), a first spring column (3) is arranged between the lower portion of the first piston (2) and the sleeve (1), a second piston (4) is arranged above the inside of the sleeve (1), a rubber pad (5) is pasted on the lower surface of the second piston (4) and the upper surface of the first piston (2), a connecting rod (6) is connected with the upper portion of the second piston (4) in a threaded manner, the connecting rod (6) penetrates through the sleeve (1), a mounting plate (12) is connected with the upper end of the connecting rod (6) in a threaded manner, a first one-way air inlet valve (7) and a first one-way pressure relief valve (8) are inlaid on the outer surface of the middle of the sleeve (1), a second one-way air inlet valve (9) and a second one-way pressure relief valve (10) are inlaid on the outer surface of the sleeve (1), a protective shell (11) is installed on an outer bolt of, and the inside bottom surface of protection casing (11) and the lower surface of mounting panel (12) have all been seted up draw-in groove (13) to the middle part of draw-in groove (13) is inlayed and is had second spring post (14).

2. The automobile seat shock absorbing device as set forth in claim 1, wherein: the structure of the first piston (2) is the same as that of the second piston (4), the first piston (2) and the second piston (4) form a sliding structure with the sleeve (1), the outer diameters of the first piston (2) and the second piston (4) are larger than that of the rubber pad (5), and the center lines of the sleeve (1) and the protective shell (11) are overlapped.

3. The automobile seat shock absorbing device as set forth in claim 1, wherein: the central line of the connecting rod (6) and the central line of the second piston (4) are overlapped, and the connecting rod (6) and the sleeve (1) form a sliding structure.

4. The automobile seat shock absorbing device as set forth in claim 1, wherein: first one-way admission valve (7) and first one-way relief valve (8) are the corresponding relation, and first one-way admission valve (7) and first one-way relief valve (8) all set up outside between first piston (2) and second piston (4) the two.

5. The automobile seat shock absorbing device as set forth in claim 1, wherein: one-way admission valve (9) of second and one-way relief valve (10) of second are corresponding relation, and just first one-way relief valve (8) and one-way admission valve (9) of second all set up the below outside at second piston (4), and second piston (4) constitute sliding construction through first spring post (3) simultaneously.

6. The automobile seat shock absorbing device as set forth in claim 1, wherein: the second spring columns (14) are designed in an equal angle mode relative to the center line of the protection shell (11), and the number of the second spring columns (14) is 8.