CN216220848U

CN216220848U - Adjustable office chair

Info

Publication number: CN216220848U
Application number: CN202122559893.1U
Authority: CN
Inventors: 杨双
Original assignee: Beijing Huadimeng Furniture Co ltd
Current assignee: Beijing Huadimeng Furniture Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-08
Anticipated expiration: 2031-10-22

Abstract

The application relates to an office chair with adjustable relates to office furniture's field, and it includes the seat support, carries out bearing structure and the back that supports, its characterized in that to the seat support: a telescopic sleeve is arranged between the backrest and the supporting structure, and the backrest is connected with the supporting structure through the telescopic sleeve; the telescopic sleeve comprises an outer sleeve and an inner sleeve, the outer sleeve is connected with the backrest, the inner sleeve is connected with the supporting structure, one end, deviating from the supporting structure, of the inner sleeve slides in an inner hole of the outer sleeve, and a fixing assembly for locking the relative position of the inner sleeve and the outer sleeve is arranged between the outer sleeve and the inner sleeve. This application has when the people of height difference uses, can adjust the back, gives the effect that more comfortable use of user experienced.

Description

Adjustable office chair

Technical Field

The application relates to the field of office furniture, in particular to an adjustable office chair.

Background

The chair is one of the essential furniture in people's daily life, provides a comfortable life work rest environment for the user.

Office chairs in the market at present are various in shape, but are mostly composed of fixed chair seats, supporting legs, armrests, backrests and the like.

In view of the above-mentioned related technologies, the inventor thinks that the height of the backrest and the seat of the chair is fixed, and when people with different heights use the chair, the backrest cannot be adjusted, which provides uncomfortable use experience for users.

SUMMERY OF THE UTILITY MODEL

In order to use at the people of height difference, can adjust the back, experience for the more comfortable use of user, this application provides an adjustable office chair.

The application provides an office chair with adjustable adopts following technical scheme:

the utility model provides an office chair with adjustable, includes the seat support, carries out bearing structure and the back that supports the seat support, its characterized in that: a telescopic sleeve is arranged between the backrest and the supporting structure, and the backrest is connected with the supporting structure through the telescopic sleeve; the telescopic sleeve comprises an outer sleeve and an inner sleeve, the outer sleeve is connected with the backrest, the inner sleeve is connected with the supporting structure, one end, deviating from the supporting structure, of the inner sleeve slides in an inner hole of the outer sleeve, and a fixing assembly for locking the relative position of the inner sleeve and the outer sleeve is arranged between the outer sleeve and the inner sleeve.

Through adopting above-mentioned technical scheme, be connected through flexible cover between back and the bearing structure, the length of flexible cover can extend or shorten to can make the height of back adjust, thereby when the people of height difference used, can adjust the back, experience for the more comfortable use of user.

Optionally, a first fixing hole is formed in the tube wall of the outer tube, a plurality of second fixing holes are formed in the tube wall of the inner tube along the axis direction of the inner tube, a rotating disc connected with the outer tube in a rotating mode is sleeved on the outer side wall of the outer tube, a telescopic elastic inserting assembly is arranged in an internal facility of the rotating disc, the elastic inserting assembly rotates to the position opposite to the first fixing hole and the second fixing hole, and the elastic inserting assembly is inserted into the first fixing hole and the second fixing hole.

Through adopting above-mentioned technical scheme, first fixed orifices and a plurality of second fixed orifices can make outer tube and interior sleeve pipe fix in a plurality of positions to make whole back can adjust to the height of difference, the elasticity plug connector can be fixed and lock outer tube and interior sleeve pipe at any time, and the person of facilitating the use operates.

Optionally, the elastic plug-in assembly comprises a plug-in rod arranged along the diameter of the rotating disc, the plug-in rod is fixedly connected with the inner side wall of the rotating disc, the other end of the plug-in rod is connected with a plug-in block in a sliding manner, the plug-in block is opposite to the first fixing hole and the second fixing hole, the plug-in block is inserted into the first fixing hole and the second fixing hole, and when the rotating disc rotates, the plug-in block can automatically separate from the first fixing hole and the second fixing hole along with the rotation of the rotating disc; the plug-in rod is sleeved with a spring, one end of the spring is connected with the plug-in block, and the other end of the spring is connected with the inner side wall of the rotating disc.

Through adopting above-mentioned technical scheme, during elastic plug connector can rotate at the rolling disc automatic insertion or break away from outer tube and interior sheathed tube fixed orifices for it is more convenient to outer tube and interior sheathed tube fixed and unblock.

Optionally, the insertion block is a sector block, and a sharp angle of the insertion block is opposite to an axis of the rotating disc.

Through adopting above-mentioned technical scheme, the cooperation between sector block and the rolling disc inner chamber is laminated more, and sectorial closed angle can insert to the fixed orifices in the very first time when grafting piece and fixed orifices are relative, and the fixing process is more sensitive.

Optionally, the side wall of the outer side of the rotating disc is provided with an anti-slip strip.

Through adopting above-mentioned technical scheme, the antislip strip can increase the frictional force between user and the rolling disc to let the user rotate the rolling disc more conveniently.

Optionally, the fixing assembly further comprises a coil spring sleeved on the outer side wall of the outer sleeve, one end of the coil spring is fixedly connected with the end face of the rotating disc, and the other end of the coil spring is fixedly connected with the outer sleeve.

Through adopting above-mentioned technical scheme, the wind spring can carry out the energy storage when fixed subassembly unblock to when the user loosens the rolling disc, the rolling disc can automatic recovery to the normal position, thereby makes fixed subassembly can be fixed the telescope tube automatically.

Optionally, a protective shell for covering the coil spring is further disposed on the side wall of the outer sleeve.

Through adopting above-mentioned technical scheme, the protective housing can protect the coil spring when the office chair uses to improve the life of coil spring.

Optionally, a flexible pad is arranged on one side of the backrest opposite to the seat.

Through adopting above-mentioned technical scheme, the flexbile cushion makes the user when leaning on the back, and back and user contact surface are softer to improve user's comfort level.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the backrest is connected with the supporting structure through the telescopic sleeve, and the length of the telescopic sleeve can be extended or shortened, so that the height of the backrest can be adjusted, and the backrest can be adjusted when people with different heights use the backrest, so that the user can feel more comfortable;

2. the first fixing holes and the second fixing holes can fix the outer sleeve and the inner sleeve at a plurality of positions, so that the whole backrest can be adjusted to different heights, the elastic plug connector can fix and lock the outer sleeve and the inner sleeve at any time, and a user can conveniently operate the backrest;

3. the cooperation between sector block and the rolling disc inner chamber is laminated more, and sectorial closed angle can insert to the fixed orifices in the very first time when grafting piece and fixed orifices are relative to each other, and the fixed course is more sensitive.

Drawings

FIG. 1 is a schematic view of the overall structure of an adjustable office chair according to the present application.

Fig. 2 is a schematic structural diagram of the telescopic sleeve in the embodiment of the present application.

Fig. 3 is a structural sectional view of a fixing member in the embodiment of the present application.

Fig. 4 is an exploded view of the structure of the fixing assembly in the embodiment of the present application.

Description of reference numerals: 1. a chair seat; 2. a backrest; 21. a support plate; 22. a sponge cushion; 3. supporting legs; 31. a first support leg; 32. a second support leg; 33. a connecting beam; 4. a handrail; 5. a telescopic sleeve; 51. an outer sleeve; 511. a first fixing hole; 52. an inner sleeve; 521. a second fixing hole; 53. a fixing assembly; 531. rotating the disc; 5311. an inner cavity; 5312. anti-slip strips; 532. a plug rod; 533. an insertion block; 5331. inserting holes; 534. a spring; 535. a coil spring; 536. a protective shell.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an adjustable office chair. Referring to fig. 1, the adjustable office chair includes a horizontally arranged rectangular chair seat 1, a backrest 2 located above the rear end of the chair seat 1, four support legs 3 located on the left and right sides of the chair seat 1 and used for supporting the chair seat 1, and armrests 4 above the left and right sides of the chair seat 1.

The quantity of supporting leg 3 is four in this application embodiment, and two liang a set of 3 of four supporting legs are located the left and right sides of seat support 1 respectively. Each set of two support legs 3 comprises a first support leg 313 fixed to the front end of the seat 1 and a second support leg 323 fixed to the rear end of the seat 1. A connecting beam 33 horizontally arranged is fixed between the first supporting leg 313 and the second supporting leg 323, one end of the connecting beam 33 is fixedly connected with the first supporting leg 313, and the other end of the connecting beam 33 is fixedly connected with the second supporting leg 323. The armrest 4 is fixedly coupled to the upper ends of the first support legs 313 and the connection beam 33.

The backrest 2 comprises an arc-shaped support plate 21, the length direction of the support plate 21 is arranged along the vertical direction, and the concave surface of the support plate 21 is opposite to the seat 1. A sponge pad 22 is fixed on the inner concave surface of the supporting plate 21. The backrest 2 is connected with the two second supporting legs 323 through two length-adjustable telescopic sleeves 5, the upper ends of the telescopic sleeves 5 are fixedly connected with the outer side wall of the supporting plate 21, and the lower ends of the telescopic sleeves 5 are fixedly connected with the upper end faces of the second supporting legs 323.

Referring to fig. 1 and 2, the telescopic sleeve 5 includes an outer sleeve 51, an inner sleeve 52, and a fixing assembly 53 for fixing the relative positions of the outer sleeve 51 and the inner sleeve 52. The upper end of the outer sleeve 51 is fixedly connected with the outer side wall of the support plate 21, and one end of the inner sleeve 52 extends into the inner hole of the outer sleeve 51 from the lower end face of the outer sleeve 51 and is connected with the outer sleeve 51 in a sliding manner; the other end of the inner sleeve 52 extends out of the outer sleeve 51 from the inner hole of the outer sleeve 51 and is fixedly connected with the upper end surface of the second supporting leg 323. The fixing member 53 is fixedly coupled to a lower end of the outer sidewall of the outer sleeve 51.

Referring to fig. 2 and 3, the fixing assembly 53 includes a cylindrical rotating disk 531 rotatably connected to an outer side wall of the outer sleeve 51, the rotating disk 531 is coaxially disposed with the outer sleeve 51, and the outer sleeve 51 completely penetrates through side walls of upper and lower ends of the rotating disk 531. A hollow inner cavity 5311 is arranged inside the rotating disc 531, anti-slip strips 5312 in the vertical direction are integrally formed on the outer side wall of the rotating disc 531, and a plurality of anti-slip strips 5312 are distributed along the circumference of the outer side wall of the rotating disc 531.

A horizontally arranged plugging rod 532 is fixedly connected to the side wall of the inner cavity 5311, and the plugging rod 532 is arranged along the diameter direction of the rotating disc 531. One end of the insertion rod 532 is fixedly connected with the side wall of the inner cavity 5311, and the other end is slidably connected with a fan-shaped insertion block 533. The sharp angle of the insertion block 533 faces the axis of the rotating disc 531, and the arc surface of the insertion block 533 faces the sidewall of the inner cavity 5311. The arc surface of the insertion block 533 is provided with an insertion hole 5331 into which the insertion rod 532 is inserted, and one end of the insertion hole 5331 is communicated with the arc surface of the insertion block 533. The plug block 533 is sleeved on the outer side wall of the plug rod 532 through the plug hole 5331 and is connected with the plug rod 532 in a sliding manner. The plug rod 532 is further sleeved with a spring 534, one end of the spring 534 is fixedly connected with the side wall in the inner cavity 5311, and the other end of the spring 534 is fixedly connected with the plug block 533. The insertion rod 532, the insertion block 533, and the spring 534 are disposed in the inner cavity 5311 along the circumference of the axis of the rotating disc 531 in multiple sets, which is exemplified by two sets in the embodiment of the present application.

Referring to fig. 3 and 4, two first fixing holes 511 for inserting the insertion block 533 into the inner hole of the outer sleeve 51 are formed in the side wall of the outer sleeve 51, and second fixing holes 521 are respectively formed at positions of the inner sleeve 52 opposite to the two first fixing holes 511, so that the sharp corners of the insertion block 533 are inserted into the inner hole of the inner sleeve 52 through the first fixing holes 511 and the second fixing holes 521. A plurality of sets of the second fixing holes 521 are arranged in pairs along the axial direction of the inner sleeve 52.

When the spring 534 is in a free state, the sharp corner of the insertion block 533 extends into the inner hole of the inner sleeve 52 from the inner cavity 5311 of the rotating disc 531, so that the relative positions of the outer sleeve 51 and the inner sleeve 52 are fixed; when the rotating disc 531 is rotated, the insertion block 533 synchronously rotates along with the rotating disc 531, and the side wall of the first fixing hole 511 presses the side wall of the insertion block 533, so that the insertion block 533 synchronously rotates along with the rotating disc 531 and moves in the direction away from the axis of the inner sleeve 52 along the axis direction of the insertion rod 532; when the sharp corner of the insertion block 533 is completely separated from the inner tube 52 and is displaced from the position of the first fixing hole 511, the spring 534 is compressed, and the outer tube 51 can slide along the axial direction of the inner tube 52, thereby moving the backrest 2 up or down along the axial direction of the inner tube 52.

Referring to fig. 4, a coil spring 535 for restoring the insertion block 533 to a position opposite to the first fixing hole 511 is fitted over an outer side wall of the outer sleeve 51. One end of the coil spring 535 is fixedly connected to an end surface of the outside of the rotating disk 531, and the other end of the coil spring 535 is fixedly connected to the outer sleeve 51. A protective shell 536 covering the coil spring 535 is fixedly connected to the outer side wall of the outer sleeve 51, the protective shell 536 is a shell with an open end and a closed end, and the open end of the protective shell 536 is opposite to the rotating disk 531 and is attached to the end surface of the rotating disk 531. When the insertion block 533 is inserted into the first fixing hole 511, the coil spring 535 is in a free state, and when the insertion block 533 is positionally displaced from the first fixing hole 511, the coil spring 535 is in a power accumulating state.

The implementation principle of this application embodiment adjustable office chair does: when the office chair needs to be adjusted, the rotating disc 531 is rotated to enable the insertion block 533 in the rotating disc 531 to enter the rotating disc 531, then the backrest 2 is lifted up in the vertical upward direction, when the backrest 2 slides to the height required by a user, the rotating disc 531 is released, the rotating disc 531 reversely rotates under the action of the coil spring 535, and the insertion block 533 is inserted into the inner sleeve 52 again, so that the position of the backrest 2 is fixed, and the height adjustment of the backrest 2 is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an office chair with adjustable, includes seat support (1), carries out bearing structure and back (2) that support to seat support (1), its characterized in that: a telescopic sleeve (5) is arranged between the backrest (2) and the supporting structure, and the backrest (2) is connected with the supporting structure through the telescopic sleeve (5); the telescopic sleeve (5) comprises an outer sleeve (51) and an inner sleeve (52), the outer sleeve (51) is connected with the backrest (2), the inner sleeve (52) is connected with the supporting structure, one end, deviating from the supporting structure, of the inner sleeve (52) slides in an inner hole of the outer sleeve (51), and a fixing component (53) for locking the relative positions of the inner sleeve (52) and the outer sleeve (51) is arranged between the outer sleeve (51) and the inner sleeve (52).

2. An adjustable office chair as claimed in claim 1, wherein: first fixed orifices (511) have been seted up on the pipe wall of outer tube (51), follow on the pipe wall of interior sleeve pipe (52) the axis direction of interior sleeve pipe (52) is provided with a plurality of second fixed orificess (521), the cover is equipped with on the lateral wall of outer tube (51) with outer tube (51) rotates carousel (531) that link to each other, the inside facility of carousel (531) has telescopic elasticity grafting subassembly, elasticity grafting subassembly rotate to with first fixed orifices (511) with when second fixed orifices (521) are relative, elasticity grafting subassembly injects first fixed orifices (511) with in the second fixed orifices (521).

3. An adjustable office chair as claimed in claim 2, wherein: the elastic plug-in assembly comprises a plug-in rod (532) arranged along the diameter of the rotating disc (531), the plug-in rod (532) is fixedly connected with the inner side wall of the rotating disc (531), the other end of the plug-in rod (532) is connected with a plug-in block (533) in a sliding mode, the plug-in block (533) is inserted into the first fixing hole (511) and the second fixing hole (521) when the plug-in block (533) is opposite to the first fixing hole (511) and the second fixing hole (521), and when the rotating disc (531) rotates, the plug-in block (533) can automatically separate from the first fixing hole (511) and the second fixing hole (521) along with the rotation of the rotating disc (531); the plug-in rod (532) is sleeved with a spring (534), one end of the spring (534) is connected with the plug-in block (533), and the other end of the spring (534) is connected with the inner side wall of the rotating disc (531).

4. An adjustable office chair as claimed in claim 3, wherein: the inserting block (533) is a fan-shaped block, and the sharp angle of the inserting block (533) is opposite to the axis of the rotating disc (531).

5. An adjustable office chair as claimed in claim 4, wherein: and anti-slip strips (5312) are arranged on the side wall of the outer side of the rotating disc (531).

6. An adjustable office chair as claimed in claim 3, wherein: the fixing assembly (53) further comprises a coil spring (535) sleeved on the outer side wall of the outer sleeve (51), one end of the coil spring (535) is fixedly connected with the end face of the rotating disc (531), and the other end of the coil spring (535) is fixedly connected with the outer sleeve (51).

7. An adjustable office chair as claimed in claim 6, wherein: a protective shell (536) for covering the coil spring (535) is further provided on the side wall of the outer sleeve (51).

8. An adjustable office chair as claimed in claim 7, wherein: one side of the backrest (2) opposite to the seat (1) is provided with a flexible pad.