CN219042624U

CN219042624U - Office chair with adjustable backrest position

Info

Publication number: CN219042624U
Application number: CN202223545451.2U
Authority: CN
Inventors: 阮润修
Original assignee: Zhongshan Yili Office Furniture Co ltd
Current assignee: Zhongshan Yili Office Furniture Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-19
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses an office chair with an adjustable backrest position, which comprises: the seat board, the backrest and the supporting component are connected with mounting seats at the left end and the right end of the seat board, mounting grooves are formed in the mounting seats, connecting ports are formed above the mounting grooves, adjusting seats are longitudinally matched in the mounting grooves in a sliding mode, connecting plates with the upper ends fixedly connected with the backrest and the lower ends fixedly connected with the adjusting seats are arranged in the connecting ports, and locking devices used for locking the adjusting seats are arranged on the mounting seats; by adopting the technical scheme, the backrest can be adjusted back and forth through the longitudinal sliding of the adjusting seat in the mounting groove of the mounting seat and the connection of the connecting plate and the backrest, the backrest is adjusted to be suitable for the position of the backrest, then the adjusting seat is locked through the locking device to prevent movement, and the backrest is kept at the adjusted position.

Description

Office chair with adjustable backrest position

Technical Field

The utility model relates to the technical field of office chairs, in particular to an office chair with an adjustable backrest position.

Background

Office chairs, english office chairs, refer to various chairs equipped for convenience in daily work and social activities.

The connection relation between the backrest and the seat body of the existing office chair is mostly divided into fixed connection and swinging adjustment connection, the inclination of the backrest is adjusted through swinging adjustment, the use requirements of different users are met, although the existing office chair can meet the use requirements of most people, certain shortages still exist, for example, the backrest can not be adjusted back and forth integrally, for a user with short legs, the backrest can not lean against the backrest after sitting on the office chair, the use requirements of the user can not be met well, and the use experience of the user can be reduced.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide an office chair with an adjustable backrest position so as to solve the technical problems.

The technical scheme adopted for solving the technical problems is as follows:

according to one aspect of the present utility model, an office chair with an adjustable backrest position is designed, comprising: the seat board, back and the supporting component who is connected with the seat board, both ends are connected with the mount pad respectively about the seat board, be equipped with the mounting groove in the mount pad, the mounting groove top is equipped with the connector with outside intercommunication, and vertical sliding fit has the regulation seat in the mounting groove, be equipped with upper end and back rigid coupling, lower extreme and the connecting plate of regulation seat rigid coupling in the connector, install on the mount pad be used for with the locking means of regulation seat locking.

By adopting the technical scheme, the backrest can be adjusted back and forth through the longitudinal sliding of the adjusting seat in the mounting groove of the mounting seat and the connection of the connecting plate and the backrest, the backrest is adjusted to be suitable for the position of the backrest, then the adjusting seat is locked through the locking device to prevent movement, and the backrest is kept at the adjusted position.

In order to better solve the technical defects, the utility model also has a better technical scheme:

in some embodiments, the locking device is a knob screw, a threaded hole communicated with the mounting groove is formed in the outer side of the mounting seat, the knob screw is in threaded fit with the threaded hole, and one end of the knob screw can be abutted to the adjusting seat by screwing. Therefore, the adjusting seat can be loosened and locked manually, and the backrest position can be adjusted manually conveniently.

In some embodiments, the end of the knob screw is provided with a conical portion, and a row of conical grooves are formed in one side, facing the conical portion, of the adjusting seat, and the conical portion is used for being in abutting fit with the conical grooves. Therefore, the adjusting seat can have a good locking effect.

In some embodiments, the knob screw is threaded with a lock nut. The lock nut is used for being abutted with the mounting seat to prevent the knob screw from loosening.

In some embodiments, a soft seat cushion is connected to the top of the seat pan.

In some embodiments, the left and right ends of the seat plate are respectively connected with armrests.

In some embodiments, the support assembly comprises a lifting adjusting hydraulic rod, a support wheel frame and a universal wheel, wherein the upper end of the lifting adjusting hydraulic rod is fixedly connected with the seat plate, the lower end of the lifting adjusting hydraulic rod is fixedly connected with the support wheel frame, and the universal wheel is connected with the support wheel frame.

In some embodiments, the support assembly is two -type racks affixed to the seat pan.

Drawings

FIG. 1 is a schematic view of an office chair with an adjustable backrest position according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of an office chair with an adjustable backrest position;

FIG. 3 is a schematic view of the structure of the backrest and the mounting base on an office chair with the backrest position adjustable;

FIG. 4 is a schematic view of a detachable structure of a backrest and a mounting base on an office chair with an adjustable backrest position;

FIG. 5 is a schematic cross-sectional view of a backrest and a mounting base on an office chair with an adjustable backrest position;

FIG. 6 is a schematic view of the structure of the locking device on the office chair with the backrest position adjustable;

FIG. 7 is a schematic view of an office chair with an adjustable backrest position according to another embodiment of the present utility model;

reference numerals:

1. a seat plate; 11. a soft cushion; 12. an armrest; 2. a backrest; 3. a support assembly; 4. a mounting base; 41. a mounting groove; 42. a connection port; 43. a threaded hole; 5. an adjusting seat; 51. a conical groove; 6. a connecting plate; 7. a locking device; 71. a tapered portion; 72. and (5) locking the nut.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Example 1

Referring to fig. 1 to 6, the office chair with an adjustable backrest position provided by the present utility model includes: the seat board 1, the backrest 2 and the support component 3 connected with the seat board 1, wherein the top of the seat board 1 is connected with a soft cushion 11, and the left end and the right end are respectively connected with armrests 12.

The seat board 1 is connected with mount pad 4 respectively at both ends about, mount pad 4 welds or passes through screw connection or integrated into one piece with seat board 1, be equipped with mounting groove 41 in the mount pad 4, mounting groove 41 is rectangular, the mounting groove 41 top is equipped with the connector 42 with outside intercommunication, connector 42 is rectangular, vertical sliding fit has the regulation seat 5 in the mounting groove 41, be equipped with connecting plate 6 in the connector 42, connecting plate 6 upper end and back 2 rigid coupling, lower extreme and regulation seat 5 rigid coupling, further, connecting plate 6 upper end and back 2 welding, connecting plate 6 lower extreme and regulation seat 5 welding or integrated into one piece.

The mounting seat 4 is provided with a locking device 7 for locking the adjusting seat 5, the locking device 7 is a knob screw, a threaded hole 43 communicated with the mounting groove 41 is formed in the outer side of the mounting seat 4, a threaded part of the knob screw is in threaded fit with the threaded hole 43, and one end of the knob screw can be abutted to the adjusting seat 5 by screwing the knob screw.

One end of the knob screw is provided with a conical part 71, one side of the adjusting seat 5 facing the conical part 71 is provided with a row of conical grooves 51, and the conical part 71 is used for being in abutting fit with the conical grooves 51. A lock nut 72 is threadedly engaged with the threaded portion of the knob screw.

The supporting component 3 comprises a lifting adjusting hydraulic rod, a supporting wheel frame and universal wheels, wherein the upper end of the lifting adjusting hydraulic rod is fixedly connected with the seat board 1, the lower end of the lifting adjusting hydraulic rod is fixedly connected with the supporting wheel frame, and the universal wheels are connected with the supporting wheel frame.

Example two

Referring to fig. 7, another office chair with an adjustable backrest position according to the present utility model is different from the first embodiment in that: the support component 3 is two type frames fixedly connected with the seat board 1.

The foregoing is merely illustrative of some embodiments of the utility model, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the inventive concept.

Claims

1. An office chair with an adjustable backrest position, comprising: the seat board (1), back (2) and support component (3) of being connected with seat board (1), both ends are connected with mount pad (4) respectively about seat board (1), be equipped with mounting groove (41) in mount pad (4), mounting groove (41) top is equipped with connector (42) with outside intercommunication, and longitudinal sliding fit has regulation seat (5) in mounting groove (41), be equipped with upper end and back (2) rigid coupling in connector (42), lower extreme and connecting plate (6) of regulation seat (5) rigid coupling, install on mount pad (4) be used for with locking means (7) of regulation seat (5) locking.

2. An office chair with an adjustable backrest position according to claim 1, characterized in that the locking device (7) is a knob screw, a threaded hole (43) communicated with the mounting groove (41) is arranged on the outer side of the mounting seat (4), the knob screw is in threaded fit with the threaded hole (43), and one end of the knob screw can be abutted against the adjusting seat (5) by screwing the knob screw.

3. An office chair with an adjustable backrest position according to claim 2, characterized in that the end of the knob screw is provided with a conical portion (71), the side of the adjustment seat (5) facing the conical portion (71) is provided with a row of conical grooves (51), and the conical portion (71) is adapted to be in abutting engagement with the conical grooves (51).

4. An office chair with adjustable backrest position according to claim 2 or 3, characterized in that the knob screw is screw-fitted with a lock nut (72).

5. An office chair with adjustable backrest position according to claim 1, characterized in that the top of the seat plate (1) is connected with a soft cushion (11).

6. An office chair with an adjustable backrest position according to claim 1, wherein the left and right ends of the seat plate (1) are respectively connected with armrests (12).

7. An office chair with an adjustable backrest position according to claim 1, wherein the support assembly (3) comprises a lifting adjusting hydraulic rod, a support wheel frame and a universal wheel, the upper end of the lifting adjusting hydraulic rod is fixedly connected with the seat plate (1), the lower end of the lifting adjusting hydraulic rod is fixedly connected with the support wheel frame, and the universal wheel is connected with the support wheel frame.

8. An office chair with adjustable backrest position according to claim 1, characterized in that the support assembly (3) is two -type frames fixedly connected with the seat plate (1).