CN213940213U - Adjustable office chair - Google Patents
Adjustable office chair Download PDFInfo
- Publication number
- CN213940213U CN213940213U CN202022603324.8U CN202022603324U CN213940213U CN 213940213 U CN213940213 U CN 213940213U CN 202022603324 U CN202022603324 U CN 202022603324U CN 213940213 U CN213940213 U CN 213940213U
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- China
- Prior art keywords
- seat
- adjusting
- backrest
- office chair
- pull rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001125 extrusion Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses an adjustable office chair, which comprises a seat, a lifting device arranged at the lower end of the seat, supporting legs arranged at the lower end of the lifting device, a backrest hinged at one side of the seat and an adjusting mechanism arranged inside the seat and used for adjusting the angle of the backrest in a matching way; the adjusting mechanism comprises an adjusting knob arranged on the rear side of the seat in a rotating mode and a pull rod arranged in the seat in a sliding mode, a connecting rod is arranged at one end, close to the seat, of the adjusting knob, and an adjusting gear is arranged at one end, far away from the adjusting knob, of the connecting rod. In the utility model, the cushion, the back cushion and the elastic rubber pad are arranged, so that better comfort can be provided for users; the backrest and the adjusting mechanism matched with the backrest are arranged, so that a user can conveniently adjust different backrest angles to meet different requirements; in conclusion, the beneficial effects of conveniently adjusting the angle and improving the comfort are achieved.
Description
Technical Field
The utility model relates to an office furniture technical field especially relates to an adjustable office chair.
Background
The chair is indispensable in life, can obtain a rest mode under an environment, for example in the family, in the school, in the company, everywhere can see, the chair that uses in the office is called office chair, along with the rapid development of economy now, the enterprise is more and more, and office chair's demand is also or more and more, and office chair also can receive people's attention more, and in nervous day work, a comfortable office chair is more and more important.
The backrest of the conventional office chair is fixedly arranged, and most of the conventional office chairs do not have the function of adjusting the angle of the backrest, so that a worker cannot have a good backward rest.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the angle of a backrest of an existing office chair cannot be adjusted mostly, the adjustable office chair is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an adjustable office chair comprises a seat, a lifting device arranged at the lower end of the seat, supporting legs arranged at the lower end of the lifting device, a backrest hinged to one side of the seat and an adjusting mechanism arranged in the seat and used for adjusting the angle of the backrest in a matching manner;
the adjusting mechanism comprises an adjusting knob and a pull rod, the adjusting knob is rotatably arranged on the rear side of the seat, the pull rod is slidably arranged in the seat, a connecting rod is arranged at one end, close to the seat, of the adjusting knob, and an adjusting gear is arranged at one end, far away from the adjusting knob, of the connecting rod;
one side that the pull rod is close to adjusting gear is provided with the tooth, adjusting gear passes through the tooth and is connected with the pull rod meshing, the one end that adjusting gear was kept away from to the pull rod is provided with the dovetail groove, dovetail groove position cover is equipped with the regulation pole, it all slides through the spout and sets up in the inside recess of seat to adjust pole upper end and lower extreme, it is provided with the extrusion spring to adjust the position that the pole is located the pull rod lower extreme and inside the seat, it has logical groove to adjust the position that the pole is located the pull rod upper end, it has the gag lever post to articulate through the round pin axle in leading to the ins.
As a further description of the above technical solution:
the backrest is rotatably arranged on the seat through a rotating shaft, a ratchet wheel is arranged on the rotating shaft, and a pawl used for being matched with the ratchet wheel to lock the ratchet wheel is arranged on one side, close to the ratchet wheel, of the limiting rod.
As a further description of the above technical solution:
a cushion is arranged on the seat.
As a further description of the above technical solution:
armrests are arranged on two sides of the seat.
As a further description of the above technical solution:
the handrail is sleeved with an elastic rubber pad.
As a further description of the above technical solution:
the backrest is provided with a back cushion and a waist support.
As a further description of the above technical solution:
the lower end of the seat is provided with an adjuster used for adjusting the lifting device.
As a further description of the above technical solution:
the lower end of the supporting leg is provided with a universal wheel assembly.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
in the utility model, the cushion, the back cushion and the elastic rubber pad are arranged, so that better comfort can be provided for users; the backrest and the adjusting mechanism matched with the backrest are arranged, so that a user can conveniently adjust different backrest angles to meet different requirements; in conclusion, the beneficial effects of conveniently adjusting the angle and improving the comfort are achieved.
Drawings
Fig. 1 is a schematic view illustrating an overall appearance of an office chair according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an office chair according to an embodiment of the present invention;
fig. 3 shows a schematic view of a partial a structure provided according to an embodiment of the present invention;
fig. 4 shows a schematic view of a partial B structure provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a seat; 2. a lifting device; 3. supporting legs; 4. a universal wheel assembly; 5. a backrest; 6. an adjustment mechanism; 7. a ratchet wheel; 8. a cushion; 9. a handrail; 10. an elastic rubber pad; 601. adjusting a knob; 602. an adjusting gear; 603. a pull rod; 604. adjusting a rod; 605. a compression spring; 606. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an adjustable office chair comprises a seat 1, a lifting device 2 arranged at the lower end of the seat 1, a supporting leg 3 arranged at the lower end of the lifting device 2, a backrest 5 hinged at one side of the seat 1 and an adjusting mechanism 6 arranged in the seat 1 and used for adjusting the angle of the backrest 5 in a matching manner;
the adjusting mechanism 6 comprises an adjusting knob 601 rotationally arranged at the rear side of the seat 1 and a pull rod 603 slidably arranged in the seat 1, wherein a connecting rod is arranged at one end of the adjusting knob 601 close to the seat 1, and an adjusting gear 602 is arranged at one end of the connecting rod far away from the adjusting knob 601;
one side that the pull rod 603 is close to adjusting gear 602 is provided with the tooth, adjusting gear 602 passes through the tooth and is connected with the meshing of pull rod 603, the one end that adjusting gear 602 was kept away from to pull rod 603 is provided with the dovetail groove, dovetail groove position cover is equipped with regulation pole 604, it all slides through the spout and sets up in seat 1 inside recess to adjust pole 604 upper end and lower extreme, it is provided with extrusion spring 605 to adjust the position that pole 604 is located the pull rod 603 lower extreme and seat 1 between inside, it has logical groove to be located the position of pull rod 603 upper end to adjust pole 604, it has gag lever post 606 to articulate through the round pin axle in the logical inslot, gag lever post 606 intermediate position articulates inside seat 1.
Further, the backrest 5 is rotatably arranged on the seat 1 through a rotating shaft, a ratchet 7 is arranged on the rotating shaft, and a pawl used for being matched with the ratchet 7 to lock the ratchet 7 is arranged on one side, close to the ratchet 7, of the limiting rod 606.
Further, a seat cushion 8 is provided on the seat 1.
Further, armrests 9 are provided on both sides of the seat 1.
Further, an elastic rubber pad 10 is sleeved on the armrest 9.
Further, a back cushion and a waist support are arranged on the backrest 5 to protect the head and the waist of the user.
Further, the lower end of the seat 1 is provided with an adjuster for adjusting the lifting device 2.
Further, the lower end of the supporting leg 3 is provided with a universal wheel component 4.
The working principle is as follows: during the use, through rotatory adjust knob 601, further adjust knob 601 drives adjusting gear 602 and rotates, further adjust gear 602 drives pull rod 603 and moves in seat 1 is inside, further the trapezoidal trench position of pull rod 603 drives adjusting lever 604 and descends in seat 1 is inside, adjusting lever 604 further stimulates gag lever post 606 and rotates, further gag lever post 606 pawl end loosens the locking to ratchet 7, the user makes back 5 topple over through the back, adjust to suitable angle, further loosen adjust knob 601, adjust lever 604 drives gag lever post 606 and resets under the effect of extrusion spring 605, further ratchet 7 is locked again to the pawl end of gag lever post 606, prevent that seat 1 from kick-backing, in order to satisfy different users' needs, guarantee the comfort level of office chair.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. An adjustable office chair is characterized by comprising a seat (1), a lifting device (2) arranged at the lower end of the seat (1), supporting legs (3) arranged at the lower end of the lifting device (2), a backrest (5) hinged to one side of the seat (1) and an adjusting mechanism (6) arranged inside the seat (1) and used for adjusting the angle of the backrest (5) in a matching manner;
the adjusting mechanism (6) comprises an adjusting knob (601) rotatably arranged at the rear side of the seat (1) and a pull rod (603) slidably arranged in the seat (1), a connecting rod is arranged at one end, close to the seat (1), of the adjusting knob (601), and an adjusting gear (602) is arranged at one end, far away from the adjusting knob (601), of the connecting rod;
one side that pull rod (603) are close to adjusting gear (602) is provided with the tooth, adjusting gear (602) are connected with pull rod (603) meshing through the tooth, the one end that adjusting gear (602) were kept away from in pull rod (603) is provided with the dovetail groove, the dovetail groove position cover is equipped with adjusts pole (604), it all slides through the spout and sets up in seat (1) inside recess to adjust pole (604) upper end and lower extreme, it is provided with extrusion spring (605) to adjust pole (604) to be located between position and seat (1) inside of pull rod (603) lower extreme, it has logical groove to adjust pole (604) to be located the position of pull rod (603) upper end, it has gag lever post (606) to articulate through the round pin axle in the logical groove, gag lever post (606) intermediate position articulates inside seat (1).
2. The adjustable office chair according to claim 1, wherein the backrest (5) is rotatably arranged on the seat (1) through a rotating shaft, a ratchet (7) is arranged on the rotating shaft, and a pawl used for locking the ratchet (7) in a matching manner is arranged on one side, close to the ratchet (7), of the limiting rod (606).
3. An adjustable office chair according to claim 1, characterized in that a seat cushion (8) is provided on the seat (1).
4. An adjustable office chair according to claim 1, characterized in that armrests (9) are provided on both sides of the chair (1).
5. An adjustable office chair as claimed in claim 4, characterised in that the armrests (9) are provided with a resilient rubber pad (10).
6. An adjustable office chair as claimed in claim 1, characterised in that the backrest (5) is provided with a headrest and a waist support.
7. An adjustable office chair as claimed in claim 1, characterised in that the lower end of the seat (1) is provided with an adjuster for adjusting the lifting device (2).
8. An adjustable office chair as claimed in claim 1, characterised in that the lower end of the supporting leg (3) is provided with a universal wheel assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603324.8U CN213940213U (en) | 2020-11-12 | 2020-11-12 | Adjustable office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603324.8U CN213940213U (en) | 2020-11-12 | 2020-11-12 | Adjustable office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213940213U true CN213940213U (en) | 2021-08-13 |
Family
ID=77208352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022603324.8U Expired - Fee Related CN213940213U (en) | 2020-11-12 | 2020-11-12 | Adjustable office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213940213U (en) |
-
2020
- 2020-11-12 CN CN202022603324.8U patent/CN213940213U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |