CN213247875U - Office chair - Google Patents

Abstract

The utility model discloses an office chair, it includes base, chair cushion, the back of the chair, head rest and waist and leans on, the chair cushion set up in the base top, the back of the chair set up in the rear side of chair cushion, the head rest set up in the top of the back of the chair, the below of chair cushion is provided with the detachable callus on the sole, the callus on the sole has the bearing part, the back of bearing part is provided with the foot rest, the foot rest with the bearing part can turn over a book relatively. The utility model discloses an office chair, the callus on the sole can the exclusive use, realizes this office chair's complex function.

Description

Office chair

Technical Field

The utility model relates to a chair, particularly, the utility model relates to an office chair.

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 types of chairs in the market are various, but the fitness with the human body is not high. In particular, it is single in function and can be used by only one person. In addition, it is also not conducive to leg fluffing.

In view of the fact that a good office chair can enable people not to feel fatigue when working and can also be used as a deck chair for rest when working for a long time, a chair which can be sat and lain on and can enable two legs to be straightened for rest and meet various requirements of people is the office chair required by people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an office chair is provided, its shank of being convenient for is dredged, and possesses complex function.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an office chair, its includes that base, chair cushion, the back of the chair, head rest and waist lean on, the chair cushion set up in the base top, the back of the chair set up in the rear side of chair cushion, the head rest set up in the top of the back of the chair, the below of chair cushion is provided with the detachable callus on the sole, the callus on the sole has the bearing portion, the back of bearing portion is provided with the foot rest, the foot rest with the bearing portion can turn over a book relatively.

In the office chair, two foot rests are arranged on one side of the back face of the bearing part, a sleeve is arranged below the chair cushion, the foot rests can be inserted into the sleeve, and a bayonet is arranged on the other side of the back face of the bearing part.

In the office chair, the sleeve is provided with a fixing device, and the fixing device is used for fixing the foot rest at a fixed position in the sleeve.

The office chair comprises a foot rest, a plurality of locking holes are formed in the foot rest along the length direction of the foot rest, the fixing device comprises a button, an embedded part and an elastic part, the elastic part applies elastic force to the embedded part towards the locking holes, and the button can overcome the elastic force of the elastic part.

The office chair is characterized in that the number of the bayonets is two, and the bayonets are arranged at intervals.

In the office chair, the foot rest and the bearing part are fixed at opposite positions by the fixing part.

The headrest can be adjusted to be in the vertical position relative to the chair back, and the angle of the headrest is adjusted through a group of rotating shaft mechanisms.

In the office chair, the front side above the chair cushion is provided with the convex stop, and the rear side above the chair cushion is provided with the groove.

The office chair is characterized in that a cushion is arranged above the waist support, and the waist support can be adjusted in vertical position and front and back positions through an adjusting mechanism.

Compared with the prior art, the beneficial effects of the utility model reside in that: the foot pad is arranged below the chair cushion, and the bearing part of the foot pad can conveniently support legs and/or feet so as to relieve the fatigue of the legs and/or the feet. The foot pad and the chair cushion are detachably connected, so that the foot pad can be conveniently detached from the chair cushion, and the chair cushion can be used as an independent stool, and the function of the office chair is increased. The foot rest adopts a structure which can be folded with the bearing part, so that the structure can be simplified conveniently. The fixing device formed by the elastic piece is convenient to ensure that the foot pad is detached from and installed on the chair cushion.

Drawings

FIG. 1 is a perspective view of an office chair of the present invention in one direction;

FIG. 2 is another perspective view of FIG. 1;

FIG. 3 is a further perspective view of FIG. 1;

FIG. 4 is a perspective view of FIG. 1 in still another orientation;

FIG. 5 is a schematic view of the seat cushion and the foot pad of FIG. 1, shown in a bottom view;

FIG. 6 is a schematic view of the seat cushion and the foot pad of FIG. 1, shown in a side view;

FIG. 7 is a schematic view corresponding to FIG. 6, showing the foot pad in an operative condition;

FIG. 8 is a schematic view of the footpad of FIG. 7 in use alone;

FIG. 9 is a perspective view of the seat cushion of FIG. 6;

fig. 10 is a perspective view in another direction corresponding to fig. 9.

Description of the reference numerals

1-a headrest; 2-chair back; 3-a handrail; 4-a chair cushion; 5-air pressure rod; 6-a base; 7-a roller; 8-a foot pad; 9-a regulating device; 10-waist adjusting block; 11-iron sheet decorative covers; 12-a fixing member; 13-a lifting adjustment member; 14-angle locking; 15-iron sheet; 17-bayonet; 18-lumbar support; 19-a groove; 20-convex step; 21-a carrier; 22-a foot rest; 23-sleeve.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.

Referring to fig. 1-4, the office chair of the present invention comprises a base 6, a cushion 4, a backrest 2, a headrest 1 and a lumbar 18.

The seat cushion 4 is disposed above a base 6, the base 6 is a five-claw base having five claws, and a roller 7 is disposed under each of the claws so that the office chair can be moved easily. A pneumatic rod 5 is provided between the seat cushion 4 and the base 6 so as to adjust the height of the seat cushion 4 with respect to the ground by operating the elevation adjuster 13. Armrests 3 are arranged on two sides of the seat cushion 4 so that a user can hold the seat cushion by hands, and the armrests 3 are fixed on the seat back 2 and the seat cushion 4 through fixing pieces 12.

The chair back 2 is arranged at the rear side of the chair cushion 4, the chair back 2 and the chair cushion 4 can be connected through an iron sheet 15, and the chair back 2 is used for a user to lean. An iron sheet decorating cover 11 is arranged on the chair back 2. The chair back 2 can be laid backwards to 160 degrees, and of course, the chair back 2 can also be locked by the angle locking piece 14 to be in a state that the chair back is not laid backwards, and the functions of the part can be realized by the existing structures on various existing office chairs; the waist support 18 is provided with a device which can move up and down and back and forth, and a soft cushion is arranged above the waist support 18. The lumbar region is also provided with a lumbar adjustment block 10 for adjusting a lumbar support 18 provided at the back of the seat back 2. The lumbar support 18 can be adjusted in the vertical position and in the front-rear position by an adjusting mechanism. The iron piece decorative cover 11 is provided below the waist adjusting block 10.

The headrest 1 is arranged above the chair back 2, and the headrest 1 can be adjusted up and down through an adjusting device 9 so as to be adjusted to the most comfortable state and the angle can be adjusted through a group of rotating shaft mechanisms. A detachable foot pad 8 is arranged below the seat cushion 4, the foot pad 8 can be pulled out to be used as a part of an office chair for supporting legs and/or feet, in this case, the foot pad is connected with the seat cushion 4; the foot pad 8 may also be used alone to form an ergonomic chair, in this case in a separated state from the seat cushion 4. The foot pad 8 has a support portion 21, a foot rest 22 is provided on the back surface of the support portion 21, and the foot rest 22 and the support portion 21 can be turned over relatively. The detachable structure of the foot pad 8 and the seat cushion 4 can be selected as a threaded connection, a clamping connection or other common connection modes.

Referring to fig. 5-8, in the present invention, two foot rests 22 are disposed on one side of the back surface (i.e. the surface not directly contacted with the user) of the carrying portion 21, one of the two foot rests 22 is located on the outer side, and the other is located on the inner side, as shown in fig. 5. It is easy to understand that the two foot rests can be folded back relative to the back of the carrying portion 21, so that they are in a folded state to be stored in the office chair, or in an unfolded state to function as a stool. A sleeve 23 is arranged below the seat cushion 4, two foot rests 22 can be inserted into the sleeve 23 side by side, and the other side of the back surface of the bearing part 21 is provided with a bayonet 17, wherein the bayonet 17 can be installed in the bayonet 17 when one foot rest 22 is detached from the sleeve 23, so that the other foot rest 22 can be matched with the other foot rest 22 to realize the function of using the stool. As previously mentioned, the foot rest 22 may be folded over with respect to the carrier 21, the folding over being such that when the foot rest 8 is used as part of an office chair, folding the carrier 21 up may facilitate supporting the legs and/or feet, as shown in fig. 7; when the foot rest 8 is used alone, one foot stand 22 may be folded downward relative to the carrying portion 21, and another foot stand 22 that is detached may be inserted into the bayonet 17, so as to form a separate stool, as shown in fig. 8.

Further, the sleeve 23 is provided with a fixing means for fixing the foot rest 22 at a fixed position (not shown) in the sleeve 23, which constitutes the aforementioned detachable structure, so that the foot pad 8 can be easily detached from the seat cushion 4 or mounted on the seat cushion 4. When detached, it can be used independently.

Specifically, the foot rest 22 is provided with a plurality of locking holes (not shown) along the length direction thereof, the fixing device includes a button, an insert and an elastic member (not shown), the elastic member applies an elastic force to the insert in the direction of the locking holes, the elastic member may be a spring ball, and the button can overcome the elastic force of the elastic member. A fixing means, which may be constructed as an umbrella, and which is adapted to be released from the locking hole when the button is pressed, and at this time, to release the foot 22 from the sleeve 23; when the foot rest 22 is inserted, the insert can be inserted into the locking hole under the force of the elastic member, retaining the foot pad 8 within the sleeve 23.

When in use, the two foot rests 22 under the carrying part 21 form two supporting parts to form two supports of the carrying part 21, so that the foot pad 8 can be used as a stool. As shown in fig. 8, when the stool is used, the two foot rests 22 form a scissors shape, and the position limitation of the two foot rests can be realized by fixing the fixing parts, so that the foot rests 22 cannot rotate freely, and a certain bearing requirement is met. In addition, the two foot rests 22 may be square, and when the stool is used, the foot rests rotate vertically relative to the supporting portion 21, that is, the two foot rests 22 are finally perpendicular to the supporting portion 21, and at this time, the stool is used as a stool, and the supporting strength is higher. In this case, a stopper mechanism or the like may be provided so as to maintain the vertical state of the foot stool 22 with respect to the carrier part 21.

In this embodiment, the number of the bayonets 17 is two, and the bayonets are spaced from each other, as shown in fig. 7. The two-step bayonet 17 can adjust the foot pad 8 to two different heights, such as 42cm and 37 cm. When the foot rest 22 is located in the inner bayonet 17, a higher height of the foot rest 8 is obtained, whereas when the foot rest 22 is located in the outer bayonet 17, a relatively lower height of the foot rest 8 is obtained.

Referring to fig. 9 to 10, a protruding step 20 is provided on the front side above the cushion 4, and a groove 19 is provided on the rear side above the cushion 4.

The utility model discloses an office chair, callus on the sole 8 can the independent utility, and back of the chair 2 can be laid down backward and reach 160 degrees, and the waist leans on 18 to be equipped with the device of back-and-forth movement from top to bottom, is equipped with recess 19 and protruding shelves 20 on the seatpad, is provided with callus on the sole 8 that can stretch out and draw back under the chair cushion 4, and callus on the sole 8 can be pulled out and accords with ergonomic chair when the stool uses. The utility model discloses an office chair has both protected user's caudal vertebra, has protected lumbar vertebrae and cervical vertebra again for the user reaches a function of subtracting the burden at the health of permanent official working, and more spaces have been saved for the user to hidden callus on the sole.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (9)

1. The utility model provides an office chair, its characterized in that, leans on including base, chair cushion, the back of the chair, head rest and waist, the chair cushion set up in the base top, the back of the chair set up in the rear side of chair cushion, the head rest set up in the top of the back of the chair, the below of chair cushion is provided with the detachable callus on the sole, the callus on the sole has the bearing portion, the back of bearing portion is provided with the foot rest, the foot rest with the bearing portion can turn over a book relatively.

2. An office chair as claimed in claim 1, wherein two foot rests are provided on one side of the back of the carrying portion, a sleeve is provided below the seat cushion, the foot rests are insertable into the sleeve, and a bayonet is provided on the other side of the back of the carrying portion.

3. An office chair as claimed in claim 2, wherein the sleeve is provided with fixing means for fixing the foot rest in a fixed position within the sleeve.

4. An office chair as claimed in claim 3, wherein the foot rest is provided with a plurality of locking holes along a length direction thereof, and the fixing means comprises a button, an insert member, and an elastic member, the elastic member applying an elastic force to the insert member in a direction toward the locking holes, the button being capable of overcoming the elastic force of the elastic member.

5. An office chair as claimed in claim 2, wherein the number of said bayonets is two, spaced apart.

6. An office chair as claimed in claim 2, wherein the foot rest and the carrier are secured in relative position by a securing member.

7. An office chair as claimed in claim 1, wherein the headrest is adjustable in up and down position relative to the back and in angle by a set of spindle mechanisms.

8. An office chair as claimed in claim 1, wherein the front side above the seat cushion is provided with a protruding stop and the rear side above the seat cushion is provided with a recess.

9. An office chair as claimed in claim 1, wherein a cushion is provided above the lumbar support, the lumbar support being adjustable in up and down position and in front and rear position by means of an adjustment mechanism.

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