CN210810074U

CN210810074U - Adjustable base for swivel chair

Info

Publication number: CN210810074U
Application number: CN201922041289.2U
Authority: CN
Inventors: 汪建国
Original assignee: Anji Kaixin Swivel Chair Fitting Factory (general Partnership)
Current assignee: Anji Kaixin Swivel Chair Fitting Factory (general Partnership)
Priority date: 2019-11-24
Filing date: 2019-11-24
Publication date: 2020-06-23
Anticipated expiration: 2029-11-24

Abstract

The utility model discloses an adjustable base is used to swivel chair, including backup pad, elevation structure, cavity and supporting seat, the internally mounted of supporting seat has the cavity, and the inside of cavity is fixed with strengthens the granule, elevation structure is installed on the top of supporting seat. The utility model discloses an install elevation structure on the top of base, the people of different height sizes need the seat of high difference, make progress or the downstream with the lift post among the elevation structure during use, the stopper of lift post side-mounting slides in the spacing groove that sets up on the support column inside wall and plays spacing guide effect, the sliding block of lift post opposite side installation slides inside the support column, the inside elastic block that sets up of sliding block pops out through the effect of spring when reacing suitable position and realizes fixing with the reservation groove joint that sets up on the lift post lateral wall, elevation structure's setting makes the support column height-adjustable on the swivel chair base, be applicable to the people of different height sizes, make the suitability of device better.

Description

Adjustable base for swivel chair

Technical Field

The utility model relates to a seat supports technical field, specifically is an adjustable base is used to swivel chair.

Background

The swivel chair is widely used in the life, and the performance and the quality of seat base are especially crucial when the seat is makeed, and the base includes support base and support column, and the higher support base that needs an inner structure adjustable for the suitability of product when designing the product, but there are many problems or defects with adjustable base of a swivel chair current:

firstly, the traditional swivel chair wastes time and labor when being installed and fixed by the adjustable base and the chair surface, and the installation and disassembly process is laborious;

secondly, the traditional adjustable base for the swivel chair is not internally provided with a damping device, so that the use feeling is poor;

thirdly, the height of the inner device of the traditional adjustable base for the swivel chair can not be adjusted, and the applicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable base is used to swivel chair to the installation is dismantled inconvenient, the shock attenuation effect is not good and the problem of inside height unadjustable when the equipment that proposes in the above-mentioned background art is solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable base is used to swivel chair, includes backup pad, elevation structure, cavity and supporting seat, the internally mounted of supporting seat has the cavity, and the inside of cavity is fixed with the enhancement granule, elevation structure is installed on the top of supporting seat, and elevation structure's top is fixed with the elastic ring, be provided with the zinc-plated coating on the lateral wall of elastic ring, the internally mounted of elastic ring has the butt joint pole, the top of elastic ring is fixed with the fixed block, and the internally mounted of fixed block has the arbor circle, the butt joint groove is installed on the top of fixed block, and is fixed with the connecting block on the top of butt joint groove, the backup pad is installed on the top of connecting block, and the inside of backup pad is provided with the notch, the inside of notch is.

Preferably, a preformed hole is arranged in the butt joint block, and a fixing bolt is fixed on the inner side wall of the preformed hole.

Preferably, elevation structure has from left to right set gradually preformed groove, sliding block, elastic block, spring, support column, lift post, spacing groove stopper, the internally mounted of support column has the lift post, and one side of lift post is fixed with the stopper, be fixed with the spacing groove on the inside wall of support column, be provided with the preformed groove on the lateral wall of support column.

Preferably, a sliding block is installed on one side of the lifting column, a spring is installed inside the sliding block, and an elastic block is fixed on one side of the sliding block.

Preferably, the internal mounting of cavity has the connection piece, and the bottom mounting of connection piece has the strengthening rib, and the strengthening rib is equidistant distribution in the inside of cavity.

Preferably, the bottom of supporting seat is installed the gyro wheel, and the gyro wheel is the symmetric distribution in the bottom of supporting seat.

Compared with the prior art, the beneficial effects of the utility model are that: this swivel chair is with adjustable base is rational in infrastructure, has following advantage:

(1) the notch is arranged in the supporting plate, the base and the chair surface are fixedly spliced when being installed, the butt joint block connected below the chair surface is clamped into the notch, and then the fixing bolt is installed into the reserved hole arranged in the butt joint block for threaded connection, so that the chair surface and the supporting plate are effectively and fixedly installed, and the installation process is simple and easy to operate;

(2) the top end of the lifting structure is provided with the elastic ring, the outer side wall of the elastic ring is provided with the galvanized coating in an ascending way, so that the elastic ring is not corroded and rusted after being used for a long time, the butt joint rod is arranged in the elastic ring, the elastic ring is stressed and pressed downwards to form a relay buffer point, the seat surface can be properly lowered when being pressed by the arrangement of the elastic ring, effective shock absorption is realized through the elastic action, the sitting and lying use feeling of a user is better, and the use comfort of the base after splicing and installation is improved;

(3) install elevation structure through the top at the base, the people of different height sizes need the seat of high difference, upwards or the downstream of lift post in with elevation structure during the use, the stopper of lift post side-mounting slides in the spacing groove that sets up on the support column inside wall and plays spacing guide effect, the sliding block of lift post opposite side installation slides inside the support column, the elastic block that the inside setting of sliding block pops out through the effect of spring when reacing suitable position and realizes fixing with the reservation groove joint that sets up on the lift post lateral wall, elevation structure's setting makes the adjustable height of lift post on the swivel chair base, be applicable to the people of different height sizes, make the suitability of device better.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

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

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a fixing bolt; 2. a butt joint block; 3. a shaft ring; 4. connecting blocks; 5. reserving a hole; 6. a notch; 7. a support plate; 8. a fixed block; 9. a docking rod; 10. a lifting structure; 1001. reserving a groove; 1002. a slider; 1003. an elastic block; 1004. a spring; 1005. a support pillar; 1006. a lifting column; 1007. A limiting groove; 1008. a limiting block; 11. a roller; 12. reinforcing ribs; 13. a cavity; 14. reinforcing the particles; 15. connecting sheets; 16. a supporting seat; 17. a zinc plating coating; 18. an elastic ring; 19. and (4) butting the grooves.

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 an embodiment: an adjustable base for a swivel chair comprises a supporting plate 7, a lifting structure 10, a cavity 13 and a supporting seat 16, wherein the cavity 13 is arranged inside the supporting seat 16, a connecting piece 15 is arranged inside the cavity 13, reinforcing ribs 12 are fixed at the bottom end of the connecting piece 15, and the reinforcing ribs 12 are distributed in the cavity 13 at equal intervals, so that the internal strength of the supporting seat 16 is higher, and the supporting effect is better and stable;

reinforcing particles 14 are fixed inside the cavity 13, the lifting structure 10 is installed at the top end of the supporting seat 16, the rollers 11 are installed at the bottom end of the supporting seat 16, and the rollers 11 are symmetrically distributed at the bottom end of the supporting seat 16, so that the supporting seat 16 can slide, and the moving effect is better and stable;

the lifting structure 10 is sequentially provided with a reserved groove 1001, a sliding block 1002, an elastic block 1003, a spring 1004, a supporting column 1005, a lifting column 1006 and a limiting groove 1007 limiting block 1008 from left to right, the lifting column 1006 is installed inside the supporting column 1005, the limiting block 1008 is fixed on one side of the lifting column 1006, the limiting groove 1007 is fixed on the inner side wall of the supporting column 1005, the reserved groove 1001 is arranged on the outer side wall of the supporting column 1005, the sliding block 1002 is installed on one side of the lifting column 1006, the spring 1004 is installed inside the sliding block 1002, and the elastic block 1003 is fixed on one side of the sliding block 1002;

when the lifting device is used, the lifting column 1006 in the lifting structure 10 moves upwards or downwards, the limiting block 1008 arranged on one side of the lifting column 1006 slides in the limiting groove 1007 arranged on the inner side wall of the supporting column 1005 to play a limiting and guiding role, the sliding block 1002 arranged on the other side of the lifting column 1006 slides in the supporting column 1005, when the lifting device reaches a proper position, the elastic block 1003 arranged in the sliding block 1002 pops out through the action of the spring 1004 to be clamped and connected with the reserved groove 1001 arranged on the outer side wall of the lifting column 1006 to realize fixation, the height of the supporting column 1005 on the supporting seat 16 of the swivel chair can be adjusted through the arrangement of the lifting structure 10, the lifting device is suitable for people with different body heights and sizes;

the top of elevation structure 10 is fixed with elastic ring 18, be provided with zinc-plated coating 17 on elastic ring 18's the lateral wall, the internally mounted of elastic ring 18 has butt joint pole 9, the top of elastic ring 18 is fixed with fixed block 8, and the internally mounted of fixed block 8 has race 3, butt joint groove 19 is installed on the top of fixed block 8, and the top of butt joint groove 19 is fixed with connecting block 4, backup pad 7 is installed on the top of connecting block 4, and the inside of backup pad 7 is provided with notch 6, the inside of notch 6 is fixed with butt joint piece 2, the internally mounted of butt joint piece 2 has preformed hole 5, and be fixed with gim peg 1 on preformed hole 5's the inside wall, make butt joint piece 2 and the firm joint of backup pad 7, it is more convenient to make its installation dismantle.

The working principle is as follows: when the lifting device is used, the lifting structure 10 is arranged at the top end of the supporting seat 16, people with different body sizes need seats with different heights, the lifting column 1006 in the lifting structure 10 moves upwards or downwards when the lifting device is used, the limiting block 1008 arranged on one side of the lifting column 1006 slides in the limiting groove 1007 arranged on the inner side wall of the supporting column 1005 to play a limiting and guiding role, the sliding block 1002 arranged on the other side of the lifting column 1006 slides in the supporting column 1005, the elastic block 1003 arranged in the sliding block 1002 pops out through the action of the spring 1004 to be clamped and fixed with the reserved groove 1001 arranged on the outer side wall of the lifting column 1006 when the lifting column reaches a proper position, the lifting structure 10 enables the lifting column 1006 on the supporting seat 16 of the swivel chair to be adjustable in height, the lifting device is suitable for people with different body sizes, the applicability of the device is better, the elastic ring 18 is arranged at the top end of the lifting structure 10, the outer, the elastic ring 18 is prevented from being corroded and rusted after being used for a long time, the butt joint rod 9 is arranged inside the elastic ring 18, the elastic ring 18 is provided with a relay buffer point when being pressed downwards under stress, the seat surface can be properly lowered when being pressed due to the arrangement of the elastic ring 18, effective shock absorption is carried out through the elastic action, the sitting and lying use feeling of a user is better, the comfort of the user after splicing and mounting the supporting seat 16 is improved, the notch 6 is arranged inside the supporting plate 7, the supporting seat 16 and the seat surface need to be fixedly spliced when being mounted, the butt joint block 2 connected below the seat surface is clamped into the notch 6, the fixing bolt 1 is mounted into the reserved hole 5 formed in the butt joint block 2 to be in threaded connection, the seat surface and the supporting plate 7 are effectively fixedly mounted, and the mounting process is simple and easy to operate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an adjustable base is used to swivel chair, includes backup pad (7), elevation structure (10), cavity (13) and supporting seat (16), its characterized in that: a cavity (13) is arranged in the supporting seat (16), reinforcing particles (14) are fixed in the cavity (13), a lifting structure (10) is arranged at the top end of the supporting seat (16), an elastic ring (18) is fixed at the top end of the lifting structure (10), a galvanized coating (17) is arranged on the outer side wall of the elastic ring (18), a butt joint rod (9) is arranged in the elastic ring (18), a fixed block (8) is fixed at the top end of the elastic ring (18), a shaft ring (3) is arranged in the fixed block (8), a butt joint groove (19) is arranged at the top end of the fixed block (8), and the top end of the butt joint groove (19) is fixed with a connecting block (4), the top end of the connecting block (4) is provided with a supporting plate (7), and the inside of the supporting plate (7) is provided with a notch (6), and the inside of the notch (6) is fixed with a butt joint block (2).

2. An adjustable base for a swivel chair as claimed in claim 1, wherein: the internally mounted of butt joint piece (2) has preformed hole (5), and is fixed with gim peg (1) on the inside wall of preformed hole (5).

3. An adjustable base for a swivel chair as claimed in claim 1, wherein: elevation structure (10) has set gradually preformed groove (1001), sliding block (1002), elastic block (1003), spring (1004), support column (1005), lift post (1006), spacing groove (1007) stopper (1008) from left to right, the internally mounted of support column (1005) has lift post (1006), and one side of lift post (1006) is fixed with spacing block (1008), be fixed with spacing groove (1007) on the inside wall of support column (1005), be provided with preformed groove (1001) on the lateral wall of support column (1005).

4. An adjustable base for a swivel chair as claimed in claim 3, wherein: a sliding block (1002) is installed on one side of the lifting column (1006), a spring (1004) is installed inside the sliding block (1002), and an elastic block (1003) is fixed on one side of the sliding block (1002).

5. An adjustable base for a swivel chair as claimed in claim 1, wherein: the interior mounting of cavity (13) has connection piece (15), and the bottom mounting of connection piece (15) has strengthening rib (12), and strengthening rib (12) are the equidistant distribution in the inside of cavity (13).

6. An adjustable base for a swivel chair as claimed in claim 1, wherein: the bottom of supporting seat (16) is installed gyro wheel (11), and gyro wheel (11) are the symmetric distribution in the bottom of supporting seat (16).