CN218869842U - Handrail extensible removes office chair - Google Patents

Abstract

The utility model discloses a mobile office chair with extensible armrests, belonging to the technical field of office chairs; including seat, bottom plate, be equipped with the cylinder between seat and the bottom plate, the bottom plate bottom is equipped with a plurality of universal wheels, seat top one side is equipped with the backup pad, seat top both sides are equipped with the sleeve respectively, sleeve sliding connection has the lift post, lift post top fixedly connected with backup pad, the inside one side open-ended groove of accomodating that is equipped with of backup pad, accomodate groove sliding connection and have the extension board, it is equipped with the screw thread post to accomodate the inslot rotation, screw thread post one end is worn to establish the backup pad and is connected with the second knob, extension board one side is equipped with the thread groove with screw thread post matched with. The utility model discloses the height-adjustable of well handrail, and rotate the second knob and can drive the extension board and stretch out to increase the area of handrail, facilitate the use more.

Description

Handrail extensible removes office chair

Technical Field

The utility model provides a handrail extensible removes office chair belongs to office chair technical field.

Background

With the increasing popularity of computer office work, the rapid development of office supplies and other production industries is in progress. People can better select products to enable the office environment to be more comfortable in the market, and a proper chair obviously has an important position. The general height of traditional office chair can be adjusted, also convenient the removal, but the armrest part adjustability of office chair is lower generally, and some chairs can height-adjusting, but the area of handrail can not be adjusted, and this just leads to when some people use the handrail of chair, and the arm can not comfortable the lapping on the chair, and is not comfortable enough to the staff of working for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of handrail extensible removes office chair can solve traditional office chair handrail area fixed nonadjustable problem.

The utility model discloses a solve above-mentioned problem, the technical scheme who proposes is: including seat, bottom plate, be equipped with the cylinder between seat and the bottom plate, the bottom plate bottom is equipped with a plurality of universal wheels, seat top one side is equipped with the backup plate, seat top both sides are equipped with the sleeve respectively, sleeve sliding connection has the lift post, lift post top fixedly connected with backup pad, lift post one side is equipped with a plurality of spacing grooves, sleeve inner wall one side is equipped with the recess, recess sliding connection has the stopper with recess matched with, be equipped with guiding mechanism between stopper and the recess, sleeve one side is equipped with the screw hole with the recess intercommunication, screw hole threaded connection has the threaded rod, threaded rod one end is worn to establish the screw hole and is rotated with the stopper and be connected, and the other end is worn to establish the screw hole and is connected with first knob, the inside one side open-ended groove of accomodating that is equipped with of backup pad, it has the extension board to accomodate inslot rotation, it is equipped with the screw thread post to accomodate the inslot rotation, screw thread post one end is worn to establish and is connected with the second knob, extension board one side is equipped with the screw thread groove with screw thread post matched with.

Preferably, the arc-shaped plate is arranged on one side of the backup plate, and the waist can be attached to the arc-shaped plate, so that the waist is more comfortable.

Preferably, the limiting block is connected with the limiting groove in a sliding mode.

Preferably, the guide mechanism comprises guide blocks respectively arranged on two sides of the limiting block and guide grooves matched with the guide blocks and arranged on two sides of the groove.

Preferably, the guide block is slidably connected with the guide groove.

Preferably, the surface of the first knob is provided with a plurality of first anti-slip stripes, and the first anti-slip stripes can prevent the first knob from slipping when the first knob is used.

Preferably, a plurality of second anti-slip stripes are arranged on the surface of the second knob, and the second anti-slip stripes can prevent the second knob from slipping when the second knob is used.

The utility model has the advantages that: the utility model discloses the height-adjustable of well handrail, and rotate the second knob and can drive the extension board and stretch out to increase the area of handrail, facilitate the use more.

Drawings

Fig. 1 is a schematic structural view of a mobile office chair with extendable armrests according to the present invention.

Fig. 2 is a schematic structural view of a mobile office chair a with extendable armrests according to the present invention.

Fig. 3 is a schematic structural view of a mobile office chair B with extendable armrests.

( 1. A chair surface; 2. a base plate; 3. a cylinder; 4. a universal wheel; 5. a backup plate; 6. a sleeve; 7. a lifting column; 8. a support plate; 9. a limiting block; 10. a limiting groove; 11. a threaded hole; 12. a threaded rod; 13. a first knob; 14. a receiving groove; 15. an extension plate; 16. a threaded post; 17. a thread groove; 18. a second knob; 19. a groove; 20. an arc-shaped plate; )

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

The present invention will be further explained with reference to the accompanying drawings.

According to the illustration of FIG. 1: the utility model provides a handrail extensible removes office chair: including seat 1, bottom plate 2, be equipped with cylinder 3 between seat 1 and the bottom plate 2, 2 bottoms of bottom plate are equipped with a plurality of universal wheels 4, 1 top one side of seat is equipped with backup plate 5, 1 top both sides of seat are equipped with sleeve 6 respectively, sleeve 6 sliding connection has lift post 7, 7 top fixedly connected with backup pad 8 of lift post, lift post 7 one side is equipped with a plurality of spacing grooves 10, sleeve 6 inner wall one side is equipped with recess 19, recess 19 sliding connection have with recess 19 matched with stopper 9, be equipped with guiding mechanism between stopper 9 and the recess 19, sleeve 6 one side is equipped with the screw hole 11 with recess 19 intercommunication, screw hole 11 threaded connection has threaded rod 12, threaded rod 12 one end is worn to establish screw hole 11 and is rotated with stopper 9 and is connected, and the other end is worn to establish screw hole 11 and is connected with first knob 13, the inside one side open-ended groove 14 of accomodating that is equipped with of backup pad 8, accomodate 14 sliding connection of groove 14 has extension board 15, accomodate the inslot 14 internal rotation and be equipped with screw thread post 16, 16 one end is equipped with screw post 16, the backup pad 8 one end is worn to establish second knob 18, it is equipped with screw thread post 16 matched with screw thread 17 groove 17 matched with to extend board 15 one side. An arc-shaped plate 20 is arranged on one side of the backup plate 5. The limiting block 9 is connected with the limiting groove 10 in a sliding mode. The guide mechanism comprises guide blocks arranged on two sides of the limiting block 9 and guide grooves matched with the guide blocks and arranged on two sides of the groove 19. The guide block is connected with the guide groove in a sliding mode. The surface of the first knob 13 is provided with a plurality of first anti-skid stripes. The surface of the second knob 18 is provided with a plurality of second anti-slip stripes.

The principle of the utility model is as follows:

when the chair is used, the universal wheel 4 at the bottom of the bottom plate 2 can be moved, the height of the chair surface 1 can be adjusted by using the air cylinder 3, the arc-shaped plate 20 on one side of the backup plate 5 can be attached to the waist of a user, the waist of the user is more comfortable, when the height of the support plate 8 needs to be adjusted, the first knob 13 is firstly rotated, the first knob 13 drives the threaded rod 12 to rotate, the threaded rod 12 rotates and moves along the threaded hole 11, the limit block 9 in the groove 19 is driven to leave the limit groove 10 and enter the groove 19, then the support plate 8 can be pulled, the lifting column 7 is driven to slide in the sleeve 6, the height of the support plate 8 is changed, when the proper height is adjusted, the first knob 13 is reversely rotated, the limit block 9 enters the corresponding limit groove 10, when the armrest needs to be extended, the second knob 18 is firstly rotated, the second knob 18 drives the threaded column 16 to rotate, the threaded column 16 is matched with the threaded groove 17, the extended plate 15 is driven to extend out of the accommodating groove 14, and when the user needs to use a mouse, the elbow can be put on the extended plate 15, and the user is more comfortable.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (7)

1. An extensible mobile office chair having arms, comprising: comprises a chair surface (1) and a bottom plate (2), wherein a cylinder (3) is arranged between the chair surface (1) and the bottom plate (2), a plurality of universal wheels (4) are arranged at the bottom of the bottom plate (2), a backup plate (5) is arranged on one side above the chair surface (1), sleeves (6) are respectively arranged on two sides above the chair surface (1), a lifting column (7) is connected with the sleeves (6) in a sliding manner, a supporting plate (8) is fixedly connected to the top end of the lifting column (7), a plurality of limiting grooves (10) are arranged on one side of the lifting column (7), a groove (19) is arranged on one side of the inner wall of each sleeve (6), a limiting block (9) matched with the groove (19) is connected with the groove (19) in a sliding manner, a guide mechanism is arranged between the limiting block (9) and the groove (19), a threaded hole (11) communicated with the groove (19) is arranged on one side of each sleeve (6), a threaded hole (11) is connected with a screw rod (12) in a threaded manner, one end of each threaded rod (12) is connected with a threaded hole (11) in a rotating manner and is connected with the limiting block (9), a threaded hole (13) connected with a first threaded rod (14) in a screw rod (14) extending manner, and a screw rod (14) is arranged on one side of the supporting plate extending manner, accomodate groove (14) internal rotation and be equipped with screw thread post (16), backup pad (8) are worn to establish by screw thread post (16) one end and are connected with second knob (18), extension board (15) one side is equipped with screw thread groove (17) with screw thread post (16) matched with.

2. An extendable arm mobile office chair as claimed in claim 1, wherein: an arc-shaped plate (20) is arranged on one side of the backup plate (5).

3. An extendable arm mobile office chair according to claim 1, wherein: the limiting block (9) is connected with the limiting groove (10) in a sliding mode.

4. An extendable arm mobile office chair as claimed in claim 1, wherein: the guide mechanism comprises guide blocks arranged on two sides of the limiting block (9) respectively and guide grooves matched with the guide blocks and arranged on two sides of the groove (19).

5. An extendable arm mobile office chair as claimed in claim 4, wherein: the guide block is connected with the guide groove in a sliding mode.

6. An extendable arm mobile office chair as claimed in claim 1, wherein: the surface of the first knob (13) is provided with a plurality of first anti-slip stripes.

7. An extendable arm mobile office chair as claimed in claim 1, wherein: and a plurality of second anti-skid stripes are arranged on the surface of the second knob (18).

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