CN210540042U

CN210540042U - Adjustable chair base

Info

Publication number: CN210540042U
Application number: CN201921581737.1U
Authority: CN
Inventors: 鹿纯伟
Original assignee: Guangzhou Hongjin Furniture Co Ltd
Current assignee: Guangzhou Hongjin Furniture Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-19
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses an adjustable chair base, including the seat support, the top fixedly connected with back of the chair, just be provided with the bottom plate under the seat support, the bottom fixedly connected with a plurality of pad foot of bottom plate, the fixed pipe of the equal fixedly connected with in four angle departments at its top, the lifter has been inserted in the fixed pipe, the top fixed connection of lifter is in the bottom of seat support, a plurality of spinal branch vaulting poles of top fixedly connected with of bottom plate, the top fixedly connected with backup pad of bracing piece, the top fixed mounting of backup pad has the pneumatic cylinder, the output shaft top fixed connection of pneumatic cylinder is in the bottom of seat support, the bottom fixedly connected with collecting chamber of backup pad, the movable layer board has been inserted in the collecting chamber. The utility model has the characteristics of structural design is reasonable, uses comfortablely, and the function is various, and stability is high, can adjust height as required etc.

Description

Adjustable chair base

Technical Field

The utility model relates to the technical field of furniture articles for use, specifically to an adjustable chair base.

Background

The chair is a seat with a backrest or armrests, mainly plays a role of supporting a human body, and can be used for people to sit for work and rest.

Most of traditional chairs are simple in structure, mainly comprise a chair seat, chair legs and a chair back, are single in function, only play a supporting role when people sit on the chair, cannot adjust the height of the chair according to needs, and therefore need to be improved urgently.

Disclosure of Invention

The utility model provides a technical problem lie in overcoming prior art's chair simple structure, the function singleness, the defect of highly unable regulation provides an adjustable chair base. The adjustable chair base has the characteristics of reasonable structural design, comfortable use, various functions, high stability, adjustable height according to needs and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable chair base, includes the seat support, the top fixedly connected with back of the chair, just be provided with the bottom plate under the seat support, the bottom fixedly connected with a plurality of pad foot of bottom plate, the fixed pipe of the equal fixedly connected with of four angle departments in its top, the lifter has been inserted in the fixed pipe, the top fixed connection of lifter is in the bottom of seat support, a plurality of spinal branch vaulting poles of top fixedly connected with of bottom plate, the top fixedly connected with backup pad of bracing piece, the top fixed mounting of backup pad has the pneumatic cylinder, the output shaft top fixed connection of pneumatic cylinder is in the bottom of seat support, the bottom fixedly connected with storage facility of backup pad, the movable supporting plate has been inserted in the storage facility.

Preferably, the front end face of the movable supporting plate is provided with an oval groove, a handle is fixedly connected in the groove, and arc-shaped grooves are formed in two sides of the top surface of the movable supporting plate.

Preferably, the inner walls of the two sides of the storage bin are fixedly connected with clamping blocks, the clamping blocks are located at the front end of the inner wall of the storage bin, and clamping grooves matched with the clamping blocks are formed in the side walls of the two sides of the movable supporting plate.

Preferably, the width of the clamping groove is equal to the width of the clamping block, and the length of the groove is smaller than the length of the side face of the movable supporting plate.

Preferably, a plurality of sliders are fixedly connected to the bottom rod body of the lifting rod, a plurality of sliding grooves matched with the sliders are formed in the pipe wall of the fixing pipe, the number of the sliding grooves is equal to that of the sliders, and the sliders penetrate through the sliding grooves and extend out of the fixing pipe.

Preferably, the output shaft body cover of pneumatic cylinder is equipped with spacing pipe, the equal fixedly connected with mount in pipe wall both sides of spacing pipe, the terminal fixed connection of mount is in the backup pad.

Preferably, the bottom surface of the foot pad is provided with a non-slip mat, the non-slip mat is of a rubber pad structure, and herringbone non-slip lines are carved on the bottom surface of the non-slip mat.

Compared with the prior art, the beneficial effects of the utility model are that:

the adjustable chair base of the utility model has reasonable structural design and various functions, can drive the chair seat to move up and down through the driving hydraulic cylinder, thereby adjusting the distance between the chair seat and the ground as required so as to ensure that people with different heights and leg lengths can feel comfortable when sitting, can draw out the movable supporting plate from the storage bin by holding the handle so that people place two feet in the two arc-shaped grooves at the top of the movable supporting plate, thereby supporting the two feet of people, ensuring more comfortable rest, utilizing the non-slip mat to increase the friction force between the mat foot and the ground so as to improve the stability of the chair and prevent slipping, improving the stability of the lifting rod through the mutual matching between the sliding block and the sliding groove so as to avoid the shaking of the lifting rod when moving up and down and influence the stability of the chair seat, utilizing the limiting pipe to improve the stability of the hydraulic cylinder output shaft, in order to prevent that it from taking place the drunkenness and influencing the steady of seat support when driving the seat support and reciprocate, utilize the stability that can improve movable supporting plate of mutually supporting between fixture block and the draw-in groove to prevent to take place to rock and incline at the in-process of pulling movable supporting plate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic side view of the movable pallet.

Reference numbers in the figures: 1. a chair seat; 2. a chair back; 3. a base plate; 4. a foot pad; 5. a fixed tube; 6. a lifting rod; 7. a support bar; 8. a support plate; 9. a hydraulic cylinder; 10. a storage bin; 11. a movable supporting plate; 12. a handle; 13. a clamping block; 14. a card slot; 15. a slider; 16. a chute; 17. a limiting pipe; 18. a fixed mount; 19. a non-slip mat.

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. 1-3, the present invention provides a technical solution: an adjustable chair base comprises a chair seat 1, the top of the chair seat 1 is fixedly connected with a chair back 2, a bottom plate 3 is arranged under the chair seat 1, the bottom of the bottom plate 3 is fixedly connected with a plurality of pad feet 4, the bottom surface of the pad feet 4 is provided with an anti-slip pad 19, the anti-slip pad 19 is of a rubber pad structure, herringbone anti-slip lines are carved on the bottom surface of the anti-slip pad, the friction force between the pad feet 4 and the ground can be increased, so that the stability of the chair is improved, and the chair is prevented from slipping, four corners of the top of the bottom plate 3 are fixedly connected with fixed tubes 5, lifting rods 6 are inserted into the fixed tubes 5, the top ends of the lifting rods 6 are fixedly connected to the bottom of the chair seat 1, the bottom rod bodies of the lifting rods 6 are fixedly connected with a plurality of slide blocks 15, a plurality of slide grooves 16 matched with the slide blocks 15 are formed in the fixed tubes 5, the slide grooves, when the lifting rod 6 moves up and down, the sliding block 15 can slide up and down along the sliding groove 16, the stability of the lifting rod 6 can be improved through the mutual matching between the sliding block 15 and the sliding groove 16 so as to avoid the influence of the shaking on the stability of the chair seat 1 when the lifting rod moves up and down, the top of the bottom plate 3 is fixedly connected with a plurality of supporting rods 7, the top of each supporting rod 7 is fixedly connected with a supporting plate 8, the top of each supporting plate 8 is fixedly provided with a hydraulic cylinder 9, the hydraulic cylinder 9 is selected from CX-SD LA CHTB/ISD/JOB 32405063X 20X 25 60, the external power supply is connected through a lead, the top of an output shaft is fixedly connected to the bottom of the chair seat 1, the shaft body of the output shaft of the hydraulic cylinder 9 is sleeved with a limiting pipe 17, two sides of the pipe wall of the limiting pipe 17 are fixedly connected with fixing frames 18, the, so as to prevent the chair seat 1 from moving up and down to affect the stability of the chair seat 1, the bottom of the supporting plate 8 is fixedly connected with a containing bin 10, a movable supporting plate 11 is inserted into the containing bin 10, the front end surface of the movable supporting plate 11 is provided with an oval groove, a handle 12 is fixedly connected in the groove, arc grooves are respectively arranged on two sides of the top surface of the movable supporting plate 11, when a person sits on the chair seat 1, two feet can be placed in the two arc grooves on the top of the movable supporting plate 11 so as to play a role of supporting the two feet, so that the person is more comfortable when in rest, clamping blocks 13 are fixedly connected to the inner walls on two sides of the containing bin 10, the clamping blocks 13 are positioned at the front ends of the inner walls of the containing bin 10, the side walls on two sides of the movable supporting plate 11 are respectively provided with clamping grooves 14 matched with the clamping blocks 13, the stability of the movable supporting plate 11 can be improved by utilizing the mutual matching, the width of the slot 14 is equal to the width of the clamping block 13, and the length of the slot is smaller than the length of the side surface of the movable supporting plate 11, so that the movable supporting plate 11 can be limited, and the movable supporting plate 11 is prevented from being taken out of the storage bin 10.

The working principle is as follows: the utility model discloses when using, can play the effect of support through seat support 1, in order to supply people to sit work and rest, when the height of seat support 1 is adjusted to needs, it reciprocates to make it drive seat support 1 through external power supply drive hydraulic cylinder 9, thereby distance between adjustable seat support 1 and the ground, so that can both feel comfortable when letting the people of different heights and leg length sit, can hold handle 12 and take activity layer board 11 out from collecting storage 10 when people sit the rest, so that people place the both feet in two arcs at activity layer board 11 tops, thereby can support people's both feet, make more comfortable during the rest.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable chair base, includes seat support (1), its characterized in that: the top of the chair seat (1) is fixedly connected with a chair back (2), a bottom plate (3) is arranged under the chair seat (1), the bottom of the bottom plate (3) is fixedly connected with a plurality of foot pads (4), four corners at the top of the utility model are fixedly connected with fixed tubes (5), lifting rods (6) are inserted into the fixed tubes (5), the top end of the lifting rod (6) is fixedly connected with the bottom of the chair seat (1), the top of the bottom plate (3) is fixedly connected with a plurality of supporting rods (7), the top end of the supporting rod (7) is fixedly connected with a supporting plate (8), the top of the supporting plate (8) is fixedly provided with a hydraulic cylinder (9), the top end of the output shaft of the hydraulic cylinder (9) is fixedly connected with the bottom of the chair seat (1), the bottom of the supporting plate (8) is fixedly connected with a containing bin (10), and a movable supporting plate (11) is inserted into the containing bin (10).

2. An adjustable chair base as claimed in claim 1, wherein: the front end face of the movable supporting plate (11) is provided with an oval groove, a handle (12) is fixedly connected in the groove, and arc-shaped grooves are formed in two sides of the top surface of the movable supporting plate (11).

3. An adjustable chair base as claimed in claim 1, wherein: the inner walls of the two sides of the storage bin (10) are fixedly connected with clamping blocks (13), the clamping blocks (13) are located at the front end of the inner wall of the storage bin (10), and clamping grooves (14) matched with the clamping blocks (13) are formed in the side walls of the two sides of the movable supporting plate (11).

4. An adjustable chair base as claimed in claim 3, wherein: the width of the clamping groove (14) is equal to that of the clamping block (13), and the length of the groove is smaller than the length of the side face of the movable supporting plate (11).

5. An adjustable chair base as claimed in claim 1, wherein: the bottom end pole body fixedly connected with of lifter (6) a plurality of slider (15), a plurality of spout (16) with slider (15) matched with are seted up to the pipe wall of fixed pipe (5), spout (16) equal with the quantity of slider (15), slider (15) pass spout (16) and extend to outside fixed pipe (5).

6. An adjustable chair base as claimed in claim 1, wherein: the output shaft body cover of pneumatic cylinder (9) is equipped with spacing pipe (17), the equal fixedly connected with mount (18) in pipe wall both sides of spacing pipe (17), the terminal fixed connection of mount (18) is on backup pad (8).

7. An adjustable chair base as claimed in claim 1, wherein: the anti-skid mat is characterized in that anti-skid mats (19) are arranged on the bottom surfaces of the foot pads (4), the anti-skid mats (19) are of rubber pad structures, and herringbone anti-skid lines are engraved on the bottom surfaces of the anti-skid mats.