CN210989240U

CN210989240U - Office chair convenient to shank extends

Info

Publication number: CN210989240U
Application number: CN201922232254.7U
Authority: CN
Inventors: 胡美华
Original assignee: Liming Vocational University
Current assignee: Liming Vocational University
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-07-14
Anticipated expiration: 2029-12-13

Abstract

The utility model provides an office chair convenient for leg stretching, which comprises an office chair body, wherein the office chair body comprises a base, a supporting frame is arranged on the base, the supporting frame is fixed on the base through a rotating shaft, the base is fixed with the supporting frame through a fixing device, the bottom of the base is provided with a fixing frame, the fixing frame is provided with a movable frame, the base is provided with a cavity, a supporting device is arranged in the cavity, a fixing sleeve is arranged on the supporting frame, a supporting rod is arranged on the fixing sleeve, a headrest is arranged on the supporting rod, the fixing device comprises a fixing rod, one end of the fixing rod is fixed on the base through a fixing bolt I, the office chair convenient for leg stretching is connected with the supporting frame through an inner rod and an outer rod, and the pressure on the supporting frame is increased or impacted, the support frame is enabled to buffer and absorb shock through the spring at one end of the inner rod, and comfort degree is effectively improved.

Description

Office chair convenient to shank extends

Technical Field

The utility model relates to an office chair equipment field specifically is an office chair convenient to shank extends.

Background

Office chair refers to the various chairs that are equipped for convenient work in daily work and social activity, and office chair divide into narrowly defined and generalized, and narrowly defined office chair refers to the back chair that the people sat when carrying out the desktop work under the position of sitting, and generalized office chair is all chairs that are used for the office, including executive chair, middle class chair, passenger chair, employee's chair, meeting chair, visitor's chair, training chair etc. utility model CN201820827028.6 proposes an office chair that can support the shank, however, a strutting arrangement of office chair that can support the shank can's unable shock attenuation according to the in service behavior is handled, can't adjust strutting arrangement's length setting, current office chair can not support the shank, leads to the user to feel very uncomfortable when having a rest to reduce user's comfort level, the function is single.

Therefore, how to design an office chair which facilitates the extension of the legs becomes a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an office chair convenient to shank extends to solve the problem that proposes in the above-mentioned background art, the utility model discloses novel structure can backup pad and damping spring cooperate the increase comfort level when using.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an office chair convenient for legs to extend comprises an office chair body, wherein the office chair body comprises a base, a support frame is arranged on the base and fixed on the base through a rotating shaft, the base and the support frame are fixed through a fixing device, a fixing frame is arranged at the bottom of the base and provided with a movable frame, a cavity is formed in the base, a supporting device is arranged in the cavity and comprises a fixing rod, one end of the fixing rod is fixed on the base through a first fixing bolt, an outer rod is arranged on the fixing rod and fixed on the fixing rod through a second fixing bolt, an inner rod is arranged on the outer rod, one end of the inner rod is fixed on the support frame through a third fixing bolt, a spring is arranged at one end of the inner rod, the inner rod is fixed on the outer rod through the spring, the supporting device comprises an outer tube, an inner tube is arranged on the outer tube, a damping spring is arranged at one end of the inner tube, and a supporting plate is arranged on the damping spring.

As a preferred embodiment of the present invention, the bottom of the fixing frame is provided with a friction pad, and the friction pad is matched with the movable frame.

As a preferred embodiment of the utility model, the one end of mount is provided with the stopper, the inside of adjustable shelf is provided with the limiting plate, the stopper cooperatees with the limiting plate.

As an optimized implementation manner of the utility model, be provided with fixed cover on the support frame, fixed sheatheeing in is provided with the bracing piece, be provided with the headrest on the bracing piece.

As a preferred embodiment of the present invention, the bottom of the base is provided with a sponge layer.

As a preferred embodiment of the utility model, the inside cavity I that is provided with of outer pole, interior pole passes through cavity I and installs the inside at the outer pole.

As a preferred embodiment of the present invention, the fixing frame is fixed on the base by fastening bolts.

The utility model has the advantages that: the utility model discloses an office chair convenient to shank extends, including base, support frame, axis of rotation, fixing device, mount, friction pad, adjustable shelf, sponge layer, cavity, strutting arrangement, fixed cover, bracing piece, headrest, dead lever, fixing bolt one, outer pole, fixing bolt two, interior pole, fixing bolt three, spring, outer tube, inner tube, damping spring, backup pad.

1. This office chair convenient to shank extends is connected base and support frame through interior pole and outer pole, through the pressure increase or the impact to the support frame, makes the support frame cushion the shock attenuation through the spring of interior pole one end, effectively improves the comfort level.

2. This office chair convenient to shank extends cooperatees the backup pad through inner tube and outer tube and fixes in the inside of base, cooperatees through inner tube and outer tube and drives the backup pad flexible, cooperatees through damping spring and backup pad and uses, satisfies the demand under the different situation under according to the different situation.

3. This office chair headrest convenient to shank extends reciprocates in fixed cover inside through the bracing piece, satisfies the user of co-altitude and uses, and the function is various, and it is convenient to use.

Drawings

FIG. 1 is a schematic structural view of an office chair for facilitating leg extension according to the present invention;

FIG. 2 is a schematic structural view of a fixing device of an office chair for facilitating leg extension according to the present invention;

fig. 3 is a schematic structural view of an inner rod of an office chair for facilitating leg extension;

FIG. 4 is a schematic structural view of a supporting device of an office chair for facilitating leg extension according to the present invention;

in the figure: 1-base, 2-support frame, 3-rotation axis, 4-fixing device, 5-fixing frame, 6-friction pad, 7-movable frame, 8-sponge layer, 9-cavity, 10-supporting device, 11-fixing sleeve, 12-support bar, 13-headrest, 14-fixing bar, 15-fixing bolt I, 16-outer bar, 17-fixing bolt II, 18-inner bar, 19-fixing bolt III, 20-spring, 21-outer tube, 22-inner tube, 23-damping spring and 24-support plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: an office chair convenient for legs to extend comprises an office chair body, wherein the office chair body comprises a base 1, a support frame 2 is arranged on the base 1, the support frame 2 is fixed on the base 1 through a rotating shaft 3, the base 1 and the support frame 2 are fixed through a fixing device 4, a fixing frame 5 is arranged at the bottom of the base 1, a movable frame 7 is arranged on the fixing frame 5, a cavity 9 is arranged on the base 1, a supporting device 10 is arranged inside the cavity 9, the fixing device 4 comprises a fixing rod 14, one end of the fixing rod 14 is fixed on the base 1 through a fixing bolt one 15, an outer rod 16 is arranged on the fixing rod 14, the outer rod 16 is fixed on the fixing rod 14 through a fixing bolt two 17, an inner rod 18 is arranged on the outer rod 16, one end of the inner rod 18 is fixed on the support frame 2 through a fixing bolt three 19, one end of the inner rod 18 is provided with a spring 20, the inner rod 18 is fixed on the outer rod 16 through the spring 20, the supporting device 10 comprises an outer tube 21, an inner tube 22 is arranged on the outer tube 21, one end of the inner tube 22 is provided with a damping spring 23, and a supporting plate 24 is arranged on the damping spring 23.

As a preferred embodiment of the present invention, the bottom of the fixing frame 5 is provided with a friction pad 6, and the friction pad 6 is matched with the movable frame 7.

As an embodiment of the present invention, the one end of the fixing frame 5 is provided with a limiting plate, the inside of the movable frame 7 is provided with a limiting plate, and the limiting plate is matched with the limiting plate.

As a preferred embodiment of the present invention, the supporting frame 2 is provided with a fixing sleeve 11, the fixing sleeve 11 is provided with a supporting rod 12, and the supporting rod 12 is provided with a headrest 13.

As a preferred embodiment of the present invention, the bottom of the base 1 is provided with a sponge layer 8.

As a preferred embodiment of the present invention, a first cavity is provided inside the outer rod 16, and the inner rod 18 is installed inside the outer rod 16 through the first cavity.

As a preferred embodiment of the present invention, the fixing frame 5 is fixed on the base 1 by fastening bolts.

The working principle is as follows: when the device is used, when a user sits on the base 1 to apply backward pressure or impact force to the support frame 2, the inner rod 18 moves in the outer rod 16 through the spring 20, the comfort level is effectively improved for the user through the elastic force generated by the spring 20, when the device is used by users with different heights, the headrest 13 can move up and down in the fixing sleeve 11 through the support rod 12, so that the use of the users with different heights is met, in addition, when the user needs the rest of legs, the support plate 24 is stretched outwards through the cavity 9, the inner tube 22 moves in the outer tube 21, the support plate 24 drives the damping spring 23 to enable the support plate 24 and the base 1 to be matched with each other to support the legs, in addition, the distance between the outer tube 21 and the outer tube 22 can be adjusted according to the users with different leg lengths, so as to meet the requirements under different conditions, in addition, exert pressure to backup pad 24 through the user, backup pad 24 reciprocates through the resilience force that damping spring 23 produced, increases the comfort level, and the function is various, and it is convenient to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an office chair convenient to shank extends, includes office chair body, its characterized in that: the office chair body comprises a base (1), a support frame (2) is arranged on the base (1), the support frame (2) is fixed on the base (1) through a rotating shaft (3), the base (1) and the support frame (2) are fixed through a fixing device (4), a fixing frame (5) is arranged at the bottom of the base (1), a movable frame (7) is arranged on the fixing frame (5), a cavity (9) is arranged on the base (1), a supporting device (10) is arranged inside the cavity (9), the fixing device (4) comprises a fixing rod (14), one end of the fixing rod (14) is fixed on the base (1) through a fixing bolt I (15), an outer rod (16) is arranged on the fixing rod (14), and the outer rod (16) is fixed on the fixing rod (14) through a fixing bolt II (17), be provided with interior pole (18) on outer pole (16), the one end of interior pole (18) is passed through fixing bolt three (19) and is fixed on support frame (2), the one end of interior pole (18) is provided with spring (20), interior pole (18) are fixed on outer pole (16) through spring (20), strutting arrangement (10) include outer tube (21), be provided with inner tube (22) on outer tube (21), the one end of inner tube (22) is provided with damping spring (23), be provided with backup pad (24) on damping spring (23).

2. An office chair for facilitating extension of the legs as claimed in claim 1, wherein: the bottom of the fixed frame (5) is provided with a friction pad (6), and the friction pad (6) is matched with the movable frame (7).

3. An office chair for facilitating extension of the legs as claimed in claim 1, wherein: one end of the fixed frame (5) is provided with a limiting block, a limiting plate is arranged inside the movable frame (7), and the limiting block is matched with the limiting plate.

4. An office chair for facilitating extension of the legs as claimed in claim 1, wherein: the support frame (2) is provided with a fixing sleeve (11), the fixing sleeve (11) is provided with a support rod (12), and the support rod (12) is provided with a headrest (13).

5. An office chair for facilitating extension of the legs as claimed in claim 1, wherein: the bottom of the base (1) is provided with a sponge layer (8).

6. An office chair for facilitating extension of the legs as claimed in claim 1, wherein: the inner rod (18) is arranged in the outer rod (16) through the first cavity.

7. An office chair for facilitating extension of the legs as claimed in claim 1, wherein: the fixing frame (5) is fixed on the base (1) through fastening bolts.