CN214905238U

CN214905238U - Chair capable of being adjusted in lifting mode

Info

Publication number: CN214905238U
Application number: CN202022792615.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xi'an Chuangxiang Huizhi Industrial Design Co ltd
Current assignee: Xi'an Chuangxiang Huizhi Industrial Design Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-11-30
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to the technical field of furniture, and discloses a chair capable of being adjusted in a lifting way, which solves the problems that the chair cushion and the backrest have different requirements due to the difference of the height of a person in the current market, and the lifting structure of the current chair has potential safety hazard and is not beneficial to movement, and comprises a support rod, wherein a steering shaft is movably arranged at the top end of the support rod, a handle is fixedly connected to the top of the steering shaft, a first arc-shaped moving external member is movably arranged at the upper part of the support rod, one side of the first arc-shaped moving external member is fixedly connected with the backrest, a sleeve is sleeved at the lower part of the support rod, a second arc-shaped moving external member is fixedly arranged at the upper part of the sleeve, and one side of the second arc-shaped moving external member is fixedly connected with a horizontal support rod; the chair has the advantages that different using requirements of people with different heights on the chair can be met, better safety and stability are realized, and the chair can be simply moved and fixed when needed.

Description

Chair capable of being adjusted in lifting mode

Technical Field

The utility model belongs to the technical field of furniture, specifically be a chair that can lift adjustment.

Background

The chair is a seat that has the back, some have the handrail, and ancient times are on the ground, and originally there is not the chair, "the chair" originally is the wooden name, and the name of chair begins to be seen in Tang dynasty, and the image of chair then goes up to the huwei that introduces into northern, and the chair is classified according to the material: chairs such as solid wood chairs, glass chairs, iron art chairs, plastic chairs, cloth art chairs, leather art chairs, foaming chairs and the like; classified by use: office chairs, dining chairs, bar chairs, leisure chairs, reclining chairs, special chairs and the like.

Present chair is mostly in the same place through screw or welded fastening, and the structure can not change, and present chair all is that cushion and back are adjusted together when height-adjusting, and people can be because of the difference of height produces different demands to the height of chair cushion and back sometimes, and present chair just can not satisfy such demand, and present chair mostly goes up and down through the cylinder in addition, has certain potential safety hazard and difficult removal.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a chair that can lift adjustment, the effectual difference of having solved among the above-mentioned background art because of individual height has the problem of different demands to chair cushion and back height to and the problem that there is the potential safety hazard and is unfavorable for the removal in the elevation structure of current chair.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chair that can lift adjustment, the loach carrying platform comprises a supporting bar, the top movable mounting of bracing piece has the steering spindle, the top fixedly connected with handle of steering spindle, the upper portion movable mounting of bracing piece has first arc to remove the external member, one side fixedly connected with back of first arc removal external member, the sleeve pipe has been cup jointed to the lower part of bracing piece, sheathed tube upper portion fixed mounting has the second arc to remove the external member, one side fixedly connected with horizontal support bar of second arc removal external member, horizontal support bar's top fixed mounting has the cushion, horizontal support bar's both ends fixed mounting has the handrail, the arc sleeve pipe is installed to the bottom of bracing piece, the sheathed tube bottom fixed mounting of arc has the base, the equal movable mounting in both ends of base bottom has two universal wheels.

Preferably, the clamping plates are fixedly mounted at two ends of the first arc-shaped moving external member and the second arc-shaped moving external member, the two clamping plates are connected with each other through threads, and one end of each thread knob is connected with a first nut and a first gasket through threads.

Preferably, rubber gaskets are fixedly mounted inside the first arc-shaped moving external member and the second arc-shaped moving external member.

Preferably, the bottom of the horizontal support rod is fixedly connected with a stabilizing support rod, and one end of the stabilizing support rod is fixedly connected to the lower part of the surface of the sleeve.

Preferably, a first thread groove is formed in the upper portion of the arc-shaped sleeve, a second thread groove is formed in one end, located inside the arc-shaped sleeve, of the support rod, a thread pin is connected between the first thread groove and the second thread groove in a threaded mode, a second nut is connected to one end, located outside the arc-shaped sleeve, of the thread pin in a threaded mode, and a second gasket is movably mounted between the second nut and the arc-shaped sleeve.

Preferably, the top of the universal wheel is provided with a U-shaped plate, one side of the U-shaped plate is movably provided with a brake pedal, and the top of the U-shaped plate is fixedly connected with the bottom of the base.

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

(1) in the work, the chair can meet different use requirements of people with different heights on the chair by arranging the first thread groove, the handle, the base, the universal wheel, the U-shaped plate, the brake pedal, the steering shaft, the first arc-shaped moving external member, the second arc-shaped moving external member, the sleeve, the arc-shaped sleeve, the threaded pin, the second thread groove, the nut, the gasket, the stable supporting rod and the horizontal supporting rod, meanwhile, the chair adjusts the heights of the backrest and the cushion through a mechanical structure, has better safety and stability, and can simply move and fix the chair when needed by arranging the universal wheel;

(2) when the device works: firstly, rotating a threaded knob of a first arc-shaped moving kit according to the difference of the height of a user to separate two clamping plates, so that the first arc-shaped moving kit can move along a support rod to adjust the height of a backrest, and when the first arc-shaped moving kit moves to a proper position, reversely rotating the threaded knob of the first arc-shaped moving kit to close the two clamping plates, so that the first arc-shaped moving kit is clamped to fix the position of the backrest, and the height of a cushion is adjusted according to the same operation; meanwhile, the chair can be pushed by the handle, the universal wheels are driven to rotate by the pushing force, and when the chair is moved to a proper position, the brake pedals of the universal wheels are stepped on, so that the chair is fixed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the threaded pin according to the present invention;

fig. 3 is a schematic view of a top-down structure of the first arc-shaped moving external member and the second arc-shaped moving external member of the present invention;

in the figure: 1. a support bar; 101. a second thread groove; 2. a backrest; 3. a cushion; 4. a handrail; 5. a handle; 6. a base; 7. a universal wheel; 701. a U-shaped plate; 702. a brake pedal; 8. a steering shaft; 9. a first arcuate moving sleeve; 901. a rubber gasket; 902. a threaded knob; 903. clamping a plate; 10. a second arcuate moving sleeve; 11. a sleeve; 12. an arc-shaped sleeve; 13. a threaded pin; 1301. a first thread groove; 1302. a second nut; 1303. a second gasket; 14. stabilizing the support rod; 15. a horizontal support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1 and 3, the utility model comprises a support rod 1, a steering shaft 8 is movably mounted at the top end of the support rod 1, the handle 5 can be flexibly rotated through the arrangement of the steering shaft 8, the movement controllability is enhanced, the handle 5 is fixedly connected at the top of the steering shaft 8, a first arc-shaped moving external member 9 is movably mounted at the upper part of the support rod 1, a backrest 2 is fixedly connected at one side of the first arc-shaped moving external member 9, a sleeve 11 is sleeved at the lower part of the support rod 1, the stability is better when the cushion 3 moves up and down through the arrangement of the sleeve 11, a second arc-shaped moving external member 10 is fixedly mounted at the upper part of the sleeve 11, a horizontal support rod 15 is fixedly connected at one side of the second arc-shaped moving external member 10, the cushion 3 is fixedly mounted at the top of the horizontal support rod 15, armrests 4 are fixedly mounted at two ends of the horizontal support rod 15, and an arc-shaped sleeve 12 is mounted at the bottom end of the support rod 1, through the setting of arc sleeve pipe 12, make bracing piece 1 can effectually dismantle, the bottom fixed mounting of arc sleeve pipe 12 has base 6, and the equal movable mounting in both ends of base 6 bottom has two universal wheels 7.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 and fig. 3, two ends of the first arc-shaped moving sleeve 9 and the second arc-shaped moving sleeve 10 are both fixedly provided with clamping plates 903, a threaded knob 902 is connected between the two clamping plates 903 through a thread, and a first nut and a first gasket are connected to one end of the threaded knob 902 through a thread, so that the threaded knob 902 can effectively fasten the clamping plates 903.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 3, rubber gaskets 901 are fixedly mounted inside the first arc-shaped moving sleeve 9 and the second arc-shaped moving sleeve 10, so that the first arc-shaped moving sleeve 9 and the second arc-shaped moving sleeve 10 can be firmly clamped and fixed with the support rod 1.

In the fourth embodiment, based on the first embodiment, as shown in fig. 1, the bottom of the horizontal support rod 15 is fixedly connected with the stabilizing support rod 14, and one end of the stabilizing support rod 14 is fixedly connected to the lower portion of the surface of the sleeve 11, so that the seat cushion 3 has better safety and stability.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, a first thread groove 1301 is formed in the upper portion of the arc-shaped sleeve 12, a second thread groove 101 is formed in one end of the support rod 1 located inside the arc-shaped sleeve 12, a thread pin 13 is connected between the first thread groove 1301 and the second thread groove 101 in a threaded manner, a second nut 1302 is connected to one end of the thread pin 13 located outside the arc-shaped sleeve 12 in a threaded manner, and a second gasket 1303 is movably installed between the second nut 1302 and the arc-shaped sleeve 12, so that the support rod 1 has a detachable function, and meanwhile, the support rod 1 and the arc-shaped sleeve 12 are more stable.

Sixth embodiment, based on the first embodiment, as shown in fig. 1, a U-shaped plate 701 is installed on the top of the universal wheel 7, a brake pedal 702 is movably installed on one side of the U-shaped plate 701, and the top of the U-shaped plate 701 is fixedly connected with the bottom of the base 6, so that the chair has a moving capability when needed to move and a braking capability when not needed to move.

The working principle is as follows: when in work: firstly, the threaded knob 902 of the first arc-shaped moving sleeve 9 is rotated according to the difference of the height of a user, so that the two clamping plates 903 are separated, the first arc-shaped moving sleeve 9 can move along the support rod 1 to adjust the height of the backrest 2, when the first arc-shaped moving sleeve 9 moves to a proper position, the threaded knob 902 of the first arc-shaped moving sleeve 9 is rotated reversely, so that the two clamping plates 903 are closed, the first arc-shaped moving sleeve 9 is clamped to fix the position of the backrest 2, and the height of the seat cushion 3 is adjusted according to the same operation; meanwhile, the chair can be pushed by the handle 5, the universal wheel 7 is driven to rotate by the pushing force, and when the chair is moved to a proper position, the brake pedal 702 of the universal wheel 7 is stepped on, so that the chair is fixed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a chair that can lift adjustment, includes bracing piece (1), its characterized in that: the foldable bicycle is characterized in that a steering shaft (8) is movably mounted at the top end of the supporting rod (1), a handle (5) is fixedly connected to the top of the steering shaft (8), a first arc-shaped moving external member (9) is movably mounted at the upper portion of the supporting rod (1), a backrest (2) is fixedly connected to one side of the first arc-shaped moving external member (9), a sleeve (11) is sleeved on the lower portion of the supporting rod (1), a second arc-shaped moving external member (10) is fixedly mounted at the upper portion of the sleeve (11), a horizontal supporting rod (15) is fixedly connected to one side of the second arc-shaped moving external member (10), a cushion (3) is fixedly mounted at the top of the horizontal supporting rod (15), handrails (4) are fixedly mounted at two ends of the horizontal supporting rod (15), an arc-shaped sleeve (12) is mounted at the bottom end of the supporting rod (1), a base (6) is fixedly mounted at the bottom of the arc-shaped sleeve (12), and two universal wheels (7) are movably mounted at two ends of the bottom of the base (6); first thread groove (1301) has been seted up on the upper portion of arc sleeve pipe (12), second thread groove (101) have been seted up to the one end that bracing piece (1) is located arc sleeve pipe (12) inside, threaded connection has threaded pin (13) between first thread groove (1301) and second thread groove (101), threaded pin (13) are located the outside one end threaded connection of arc sleeve pipe (12) has second nut (1302), movable mounting has second gasket (1303) between second nut (1302) and arc sleeve pipe (12).

2. A lift-adjustable chair as claimed in claim 1, wherein: the two ends of the first arc-shaped moving external member (9) and the second arc-shaped moving external member (10) are fixedly provided with clamping plates (903), a threaded knob (902) is connected between the two clamping plates (903) in a threaded mode, and a first nut and a first gasket are connected to one end of the threaded knob (902) in a threaded mode.

3. A lift-adjustable chair as claimed in claim 1, wherein: rubber gaskets (901) are fixedly arranged in the first arc-shaped moving suite (9) and the second arc-shaped moving suite (10).

4. A lift-adjustable chair as claimed in claim 1, wherein: the bottom of the horizontal support rod (15) is fixedly connected with a stabilizing support rod (14), and one end of the stabilizing support rod (14) is fixedly connected to the lower part of the surface of the sleeve (11).

5. A lift-adjustable chair as claimed in claim 1, wherein: the top of universal wheel (7) is installed U-shaped board (701), and one side movable mounting of U-shaped board (701) has brake pedal (702), and the top of U-shaped board (701) is fixed with the bottom of base (6) and is connected.