CN211559436U

CN211559436U - Office chair

Info

Publication number: CN211559436U
Application number: CN202020089416.6U
Authority: CN
Inventors: 魏舟
Original assignee: Changsha Linpai Furniture Manufacturing Co ltd
Current assignee: Changsha Linpai Furniture Manufacturing Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-25
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses an office chair, including the seat board, seat board bottom both ends both sides are the fixed pillar that is provided with all, the seat board top is provided with the cushion, first cavity has all been seted up at the inside one side both ends of seat board. The utility model discloses a lead screw in making the first cavity rotates can accomplish the regulation work to the handrail position on the office chair, when the user sits on this seat, if user's size is fat, the accessible increases the distance between the handrail and makes the seat board can hold user's health, the crowded uncomfortable condition in back after having avoided the user to lead to the fact because of the distance between the handrail is not enough, if the user size is thin, the accessible reduces the distance between the handrail and makes the handrail on the seat board can adapt to the thin user of size, make the user can be more comfortable take both hands on the handrail, thereby make this office chair have better adaptability, the practicality and the specific application effect of this office chair have been improved.

Description

Office chair

Technical Field

The utility model belongs to office chair field especially relates to an office chair.

Background

An office chair, english office chair, refers to various chairs that are equipped for working conveniently in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair by office partners, the narrow office chair refers to a backrest chair on which a person sits when working on a table top in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a passenger chair, a clerk chair, a conference chair, a visitor chair, a training chair and the like.

The positions of the armrests on the existing office chair are fixed relative to the office chair, if the distance between the armrests on the office chair is small, a user feels crowded and uncomfortable for fat people, at the moment, the office chair with a large accommodating space needs to be used, and for thin people, if the distance between the armrests is too large, the arms of the user cannot be comfortably put on the armrests, so that the using comfort of the office chair is reduced, and therefore the office chair is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, aim at solving the handrail position on the present office chair of above-mentioned existence and all be fixed for office chair itself, if the distance between the handrail is less on the office chair, to the fat people of some physiques, can let the user feel crowded discomfort, then need use the great office chair of some accommodation space this moment, to the thin people of some physiques, if the distance between the handrail is too big, then can make the unable comfortable taking of user's arm on the handrail to the effect problem of office chair's use travelling comfort has been reduced.

The utility model is realized in such a way, an office chair comprises a seat plate, both sides of both ends of the bottom of the seat plate are fixedly provided with a pillar, the top of the seat plate is provided with a cushion, both ends of one side inside the seat plate are both provided with a first cavity, the inside of the first cavity is movably provided with a lead screw through a rotating shaft, the outside of one end of the lead screw is movably provided with a moving block through a threaded hole, one side of the moving block is fixedly provided with a connecting rod, one end of the connecting rod far away from the moving block passes through the seat plate through a moving groove, both ends of one side of the top of the seat are both provided with slide rails, one end of the connecting rod positioned outside the seat plate is movably provided with a slide block, a handrail is arranged between one end of the connecting rod positioned outside the seat plate and the slide block, one side of the inside of, a transmission mechanism is arranged in the second cavity, and a backrest is arranged at one end, far away from the connecting rod, of the top of the seat.

Preferably, the transmission mechanism comprises a first gear and a second gear, the first gear is mounted at one end of a rotating shaft where the screw rod is located inside the second cavity, the second gear is movably arranged inside the second cavity through the rotating shaft, and the first gear is meshed with the second gear.

Preferably, the holding tank has been seted up to the outside one end of seat board in cavity one side, the inside pivot one end at the second gear place that is provided with of holding tank changes the handle.

Preferably, a back cushion is arranged on one side surface of the backrest.

Preferably, a stabilizing rod is fixedly arranged between the bottom ends of the supporting columns.

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

1. the utility model discloses a lead screw in making the first cavity rotates can accomplish the regulation work to the handrail position on the office chair, when the user sits on this seat, if user's size is fat, the accessible increases the distance between the handrail and makes the seat board can hold user's health, the crowded uncomfortable condition in back after having avoided the user to lead to the fact because of the distance between the handrail is not enough, if the user size is thin, the accessible reduces the distance between the handrail and makes the handrail on the seat board can adapt to the thin user of size, make the user can be more comfortable take both hands on the handrail, thereby make this office chair have better adaptability, the practicality and the specific application effect of this office chair have been improved.

2. The utility model completes the rotation transmission mode of the screw rod through the transmission mechanism, the use of the transmission mechanism can ensure the synchronous rotation of two different screw rods, namely, the synchronous movement adjustment of the two armrests is completed, and the movement distance of the adjusted armrests after the adjustment is completed is consistent, thereby ensuring the position of the adjusted armrests above the seat board, avoiding the occurrence of uncomfortable use of the office chair caused by the position difference of the armrests at the two sides, ensuring the subsequent normal use effect of the office chair, and a rotating handle of the rotating shaft for facilitating the user to rotate the second gear is placed in the receiving groove, thereby guaranteed the planarization of seat board outside side, avoided letting the user feel uncomfortable condition after sitting to take place because of the interpolation of changeing the handle, further guaranteed the subsequent result of use of this office chair.

Drawings

Fig. 1 is a sectional view of a front view of an office chair according to the present invention;

FIG. 2 is a schematic side view of an office chair according to the present invention;

fig. 3 is a view showing the installation of the slide rail and the rotating handle of the office chair on the seat plate.

In the figure: 1. a seat plate; 2. a pillar; 3. a soft cushion; 4. a first cavity; 5. a screw rod; 6. a moving block; 7. a connecting rod; 8. a slide rail; 9. a slider; 10. a handrail; 11. a second cavity; 12. a transmission mechanism; 13. a backrest; 14. a first gear; 15. a second gear; 16. accommodating grooves; 17. turning a handle; 18. back cushion; 19. and (4) stabilizing the rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "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 merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, an office chair comprises a seat plate 1, wherein two sides of the bottom of the seat plate 1 are fixedly provided with pillars 2, the top of the seat plate 1 is provided with a cushion 3, two ends of one side of the inside of the seat plate 1 are respectively provided with a first cavity 4, the inside of the first cavity 4 is movably provided with a screw rod 5 through a rotating shaft, the outside of one end of the screw rod 5 is movably provided with a moving block 6 through a threaded hole, one side of the moving block 6 is fixedly provided with a connecting rod 7, one end of the connecting rod 7 far away from the moving block 6 penetrates through the seat plate 1 through a movable groove, two ends of one side of the top of the seat are respectively provided with a slide rail 8, one end of the inside of the slide rail 8 is movably provided with a slide block 9, a handrail 10 is arranged between one end of the connecting rod 7 positioned outside the seat plate 1 and the slide block, one end of a rotating shaft where the screw rod 5 is located inside the second cavity 11, a transmission mechanism 12 is arranged inside the second cavity 11, and a backrest 13 is arranged at one end, far away from the connecting rod 7, of the top of the seat.

The utility model discloses in drive mechanism 12 includes first gear 14 and second gear 15, first gear 14 is all installed to the inside pivot one end at lead screw 5 place of second cavity 11, second cavity 11 is inside to be provided with second gear 15 through the pivot activity, first gear 14 meshes with second gear 15 mutually, accomplishes the pivoted synchronous drive to lead screw 5 in the first cavity 4 of two differences through drive mechanism 12.

The utility model discloses in holding tank 16 has been seted up to 1 outside one end of seat board in cavity one side, 16 inside pivot one end at second gear 15 place of holding tank is provided with changes 17, changes the pivot that can person of facilitating the use rotate second gear 15 place of setting up of 17, and holds through holding tank 16 and changes 17 and can guarantee the planarization of 1 outside side of seat board, has avoided letting the user feel uncomfortable condition after sitting to take place because of changeing 17 interpolation.

In the utility model discloses in a back 13 side surface is provided with cushion 18, and cushion 18 can increase the travelling comfort of user when leaning on back 13.

The utility model discloses in the fixed firm pole 19 that is provided with between 2 bottoms of pillar, firm pole 19 can strengthen this office chair stability when putting.

The utility model discloses a theory of operation is: when the office chair is used, the positions of the armrests 10 at the two ends of the seat plate 1 can be selectively adjusted by a user according to the fat and thinness of the user, if the user is thin in size, the user can rotate the handle 17 to enable the second gear 15 in the second cavity 11 to rotate, at the moment, the two first gears 14 meshed with the second gear 15 can synchronously rotate to drive the screw rods 5 in the different first cavities 4 to synchronously rotate, the movable block 6 which is limited through the connection of the connecting rod 7 and the movable groove can synchronously move oppositely along with the rotation of the screw rods 5, the armrests 10 which are connected and installed through the connecting rod 7 can synchronously move oppositely, so that the adjustment work of the two different armrests 10 is completed, the distance between the armrests 10 is shortened to adapt to the thin person in size, and the user can more comfortably put both hands on the armrests 10, for a fat person, the adjustment movement of the armrest 10 can be performed in the same way, so that the armrest 10 can be positioned in a position most comfortable for the user, thereby completing the use of the office chair.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An office chair comprising a seat plate (1), characterized in that: the novel seat is characterized in that pillars (2) are fixedly arranged on two sides of two ends of the bottom of the seat plate (1), a cushion (3) is arranged on the top of the seat plate (1), first cavities (4) are respectively formed in two ends of one side of the inside of the seat plate (1), lead screws (5) are respectively and movably arranged in the first cavities (4) through rotating shafts, movable blocks (6) are respectively and movably arranged on the outer sides of one ends of the lead screws (5) through threaded holes, connecting rods (7) are respectively and fixedly arranged on one sides of the movable blocks (6), one ends, far away from the movable blocks (6), of the connecting rods (7) penetrate through the seat plate (1) through movable grooves, slide rails (8) are respectively arranged on two ends of one side of the top of the seat, sliders (9) are respectively and movably arranged on one end of the inside of the slide rails (8), handrails, second cavity (11) have been seted up to inside one side of seat board (1) between first cavity (4), the pivot one end at lead screw (5) place all is located inside second cavity (11), inside drive mechanism (12) that is provided with of second cavity (11), the one end that connecting rod (7) were kept away from at the seat top is provided with back (13).

2. An office chair as claimed in claim 1, wherein: the transmission mechanism (12) comprises a first gear (14) and a second gear (15), the first gear (14) is installed at one end, where the screw rod (5) is located, of a rotating shaft inside the second cavity (11), the second gear (15) is movably arranged inside the second cavity (11) through the rotating shaft, and the first gear (14) is meshed with the second gear (15).

3. An office chair as claimed in claim 2, wherein: holding tank (16) have been seted up to seat board (1) outside one end in cavity one side, inside pivot one end at second gear (15) place in holding tank (16) is provided with commentaries on classics handle (17).

4. An office chair as claimed in claim 1, wherein: a back cushion (18) is arranged on the surface of one side of the backrest (13).

5. An office chair as claimed in claim 1, wherein: and a stabilizing rod (19) is fixedly arranged between the bottom ends of the pillars (2).