CN212213146U

CN212213146U - Rotatable office chair

Info

Publication number: CN212213146U
Application number: CN202020394951.2U
Authority: CN
Inventors: 任文强
Original assignee: Zhejiang Qiangsheng Furniture Co ltd
Current assignee: Zhejiang Qiangsheng Furniture Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-12-25
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a rotatable office chair, including the mount, seat support and the back of the chair are installed to the mount, still include: the base mechanism is positioned below the fixed frame and comprises a horizontal base ring and a movable ring, and the movable ring is overlapped and arranged on the base ring and can rotate; the support is connected with the fixed frame and the movable ring. The beneficial effects of the utility model reside in that, firm structure has to stable state during the rotation.

Description

Rotatable office chair

Technical Field

The utility model relates to an office chair, especially rotatable office chair.

Background

An office chair refers to various chairs which are convenient for work in daily work and social activities. The office chairs are generally classified into office chairs, middle office chairs, guest-meeting chairs, employee chairs, conference chairs, visitor chairs, training chairs and the like, most office chairs have rotating functions, and the structural firmness of the office chairs in a static state and the stability of the office chairs in rotation are important reference factors of the quality of the office chairs.

For example, prior art, publication number CN209733140U discloses a liftable rotatory official working PU chair, including backplate, backup pad sleeve, carousel, base and threaded rod, top one side of backup pad articulates there is the backplate, and the bottom intermediate position of backup pad is connected with the sleeve, telescopic bottom is rotated and is connected with the carousel, and telescopic inside swing joint has the threaded rod, the bottom screw thread of threaded rod runs through the carousel, and extends to the below of carousel and be connected with the base, the both sides wall of backup pad is equipped with the activity groove that the symmetry set up, and the inside sliding connection in activity groove has the movable rod, the one end that the movable rod is close to the backplate extends to the outside of backup pad, and the top of movable rod articulates there is the hinge bar.

This office chair possesses the relative base pivoted function of seat, has better user experience degree and travelling comfort, nevertheless still has following defect: the backrest and the support plate are mounted on the base through separate sleeves, potential hazards exist in structural stability of the backrest and the support plate, a user can easily shake when rotating the seat, the comfort of the user is reduced on one hand, and the seat and the base are easily damaged on the other hand.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a rotatable office chair, has firm structure to the stable state during rotation.

The utility model discloses a realize through following technical scheme.

The utility model provides a rotatable office chair, includes the mount, seat support and back of the chair are installed to the mount, still include:

the base mechanism is positioned below the fixed frame and comprises a horizontal base ring and a movable ring, and the movable ring is overlapped and arranged on the base ring and can rotate;

the support is connected with the fixed frame and the movable ring.

Different from the prior art, the utility model discloses an at least two support fixed connection seat supports and base mechanism, its structural stability is better, and is difficult for appearing rocking under the static state, in addition, the utility model discloses pivoted position sets up at base mechanism to the relative base ring of movable ring rotates, thereby realizes the rotation of seat support, and the operation of this kind of rotation mode is more stable.

As the utility model discloses a further improvement, the inner circle face and the outer circle face of base ring all are provided with the slide rail along the circumference, the bottom of activity circle is equipped with at least three connecting piece, the connecting piece have two sliding parts respectively with two slide rail sliding fit realizes the rotation function through the sliding fit of sliding part and slide rail, and the damping of this kind of rotation mode is less, and the pivoted continuity is better.

As a further improvement of the utility model, the bottom surface of base ring is provided with at least three rubber pad, and the rubber pad about base ring central point symmetry sets up the main objective of rubber pad and is given the utility model discloses an office chair provides shock-absorbing function.

As a further improvement, the antislip strip has evenly been laid to the bottom surface of rubber pad, and the setting up of antislip strip makes the rubber pad not only have shock-absorbing function, still has skid-proof function.

As a further improvement, the bottom surface of the base ring is provided with at least three frame bodies, the rubber pad is embedded into the frame bodies and is in interference fit with the frame bodies, and the rubber pad is convenient to replace after being worn and torn due to long-term use.

As a further improvement of the present invention, the two sides of the fixing frame have handrails, the support is provided with two and respectively fixedly connected to the handrails and the movable ring.

As a further improvement of the utility model, the support is by integrative continuous and be vertical platelike upper segment, the platelike middle section of arc and the flat hypomere of water constitute, the middle section is inwards buckled, and this kind of shape structure of support makes its side direction compressive property better, has improved office chair's structural strength.

As a further improvement, the vertical projection of the upper section of the bracket is positioned in the range of the movable ring, so that the center of gravity of the office chair is stable.

As a further improvement of the utility model, a handrail pad is arranged on the handrail to improve the comfort level of the user.

As a further improvement of the utility model, the handrail is provided with at least one fixed sleeve around the support, the bottom surface of the handrail pad is connected with the fixed sleeve.

The utility model has the advantages that:

(1) the utility model takes the base ring and the rotatable movable ring as the base mechanism, which not only has better structural stability, but also has stronger operation stability during rotation;

(2) the utility model arranges the slide rails on the base ring, and arranges the connecting piece and the sliding part on the movable ring, so that the damping of the office chair is smaller when the office chair rotates, and the continuity of the rotation is better;

(3) the utility model arranges the rubber pad on the bottom surface of the base ring, which provides the functions of shock absorption and skid resistance for the office chair;

(4) the utility model fixes the rubber pad by the frame body, which is convenient for replacement after abrasion;

(5) the utility model discloses a support has better side direction compressive property, makes office chair's structural strength higher to office chair's whole focus is stable.

Drawings

FIG. 1 is a left side schematic view of a rotatable office chair;

FIG. 2 is a rear schematic view of a rotatable office chair;

figure 3 is a cross-sectional view of the base ring, movable ring and connecting member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1-3, the utility model discloses, rotatable office chair, including mount 1, seat support 11, the back of the chair 12, base mechanism and two supports 3, seat support 11 with back of the chair 12 is fixed on the mount 1, wherein seat support 11 and back of the chair 12 can be the monomer, also can be interconnect's a body structure, base mechanism is located the below of mount 1, for office chair's base and provide the pivoted function, two supports 3 bilateral symmetry sets up, are used for connecting mount 1 and base mechanism.

For the base mechanism, it includes base ring 21 and movable ring 22, and both levels overlap the setting, wherein base ring 21 is located the below and is used for supporting whole office chair, movable ring 22 is located the top for realize office chair's rotation. The inner ring surface and the outer ring surface of the base ring 21 are both provided with slide rails 211 along the circumference, the slide rails 211 are concave slide rails 211, the bottom of the movable ring 22 is provided with four connecting pieces 23, the connecting pieces 23 are used as connecting and supporting parts of the base ring 21 and the movable ring 22, the four connecting pieces 23 are symmetrically arranged about the center of the movable ring 22, so that the supporting function of the movable ring 22 is uniform and stable, the problem of gravity center deviation is not easy to occur, the left side and the right side of the connecting piece 23 are provided with two symmetrically arranged sliding parts 23-A which are respectively in sliding fit with the two slide rails 211, the sliding parts 23-A can be sliding blocks, the left side and the right side of the connecting piece 23 are rotatably installed, the rotating function of the office chair is realized through the sliding fit of the sliding parts 23-A and the slide rails 211, and the damping generated between the connecting piece 23 and the base ring 21 is smaller in the rotating mode, the user only needs to twist the upper part with small force to rotate the office chair, the operation is simple, the continuity of rotation is good, and the stability of rotation is strong.

The bottom surface of base ring 21 is provided with four frameworks 24, these four frameworks 24 about the central symmetry of base ring 21, framework 24 can use fastener such as screw installation fixed, be equipped with rubber pad 25 in the framework 24, rubber pad 25 is with the embedding of the complex mode of addicting to the mistake in the framework 24, its lower half exposes framework 24, rubber pad 25's effect is for the utility model discloses an office chair provides shock-absorbing function, and antislip strip has evenly been laid to the bottom surface of rubber pad 25, and the setting up of antislip strip makes rubber pad 25 not only have shock-absorbing function, still has skid-proof function. Because the rubber pad 25 is a wearing part, the rubber pad is inevitably worn and thinned after long-term use, but the rubber pad 25 and the frame body 24 are assembled in the following way, so that the old rubber pad 25 is convenient to disassemble and a new rubber pad 25 is convenient to assemble.

The two sides of the fixed frame 1 are provided with armrests 13, the support 3 is provided with two armrests 13 and is respectively fixedly connected with the movable ring 22, the support 3 is composed of an upper section 31 which is continuous and vertical plate-shaped, an arc-shaped middle section 32 and a horizontal plate-shaped lower section 33, the middle section 32 is bent inwards, and the shape structure of the support 3 enables the lateral pressure resistance performance to be good, so that the structural strength of the office chair is improved. Moreover, the vertical projection of the upper section 31 of the bracket 3 is positioned in the range of the movable ring 22, so that the overall gravity center of the office chair is stable.

Be equipped with handrail pad 14 on handrail 13, can the hot one deck cortex material of pasting on handrail pad 14's surface, improve the comfort level of using on the one hand, on the other hand the wear-resisting guard action to handrail pad 14 that plays of cortex material. In addition, the front and rear sides of the armrest 13 on the support 3 are sleeved with a fixing sleeve 14-A, the bottom surface of the armrest pad 14 is connected with the fixing sleeve 14-A, and the fixing sleeve 14-A is preferably arranged in a detachable type, such as a magic tape, so that the armrest pad 14 can be conveniently detached and cleaned.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a rotatable office chair, includes the mount, seat support and back of the chair are installed to the mount, its characterized in that still includes:

the support is connected with the fixed frame and the movable ring.

2. The rotatable office chair of claim 1, wherein the inner and outer ring surfaces of the base ring are each provided with a sliding track along the circumference, and the bottom of the movable ring is provided with at least three connecting members, and the connecting members have two sliding portions respectively slidably engaged with the two sliding tracks.

3. The rotatable office chair of claim 1, wherein the bottom surface of the base ring is provided with at least three rubber pads, and the rubber pads are symmetrical about the base ring center point.

4. The rotatable office chair of claim 3, wherein the rubber pad has non-slip strips evenly laid on the bottom surface.

5. The rotatable office chair of claim 3, wherein the bottom surface of the base ring is provided with at least three frames, the rubber pad being embedded in and interference fit with the frames.

6. The rotatable office chair of claim 1, wherein the fixed frame has armrests on both sides thereof, and the support frame has two armrests and fixedly connects the armrests and the movable ring, respectively.

7. The rotatable office chair of claim 6, wherein the bracket is formed of an upper section that is integrally continuous and has a shape of a vertical plate, a middle section that is a shape of an arc plate, and a lower section that is a shape of a horizontal plate, the middle section being bent inward.

8. The rotatable office chair of claim 7, wherein a vertical projection of the upper section of the bracket is located within the confines of the movable ring.

9. The rotatable office chair of claim 6, wherein an arm rest pad is provided above the arms.

10. The rotatable office chair of claim 9, wherein the armrests are provided with at least one fastener sleeve on the front and rear sides of the frame, the bottom surface of the arm rest pad being connected to the fastener sleeve.