CN212939021U - Office chair back cushion device convenient to disassemble - Google Patents
Office chair back cushion device convenient to disassemble Download PDFInfo
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- CN212939021U CN212939021U CN202021626343.6U CN202021626343U CN212939021U CN 212939021 U CN212939021 U CN 212939021U CN 202021626343 U CN202021626343 U CN 202021626343U CN 212939021 U CN212939021 U CN 212939021U
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- chair
- adjusting device
- headrest
- back cushion
- fixed establishment
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Abstract
The utility model provides an office chair back cushion device convenient to dismantle, including the back of the chair, bow-shaped frame, truckle, seat support and back cushion, bow-shaped bottom of the frame portion is equipped with the multiunit truckle, bow-shaped top of the frame portion is equipped with the lifter, the lifter top is equipped with the seat support, the seat support top is equipped with two sets of handrails, and is two sets of be equipped with the back of the chair between the handrail, the screw rod upper surface is equipped with the hinge, second fixed plate front surface is equipped with the back cushion, the utility model discloses following beneficial effect has: the utility model discloses an office chair back cushion device convenient to dismantle adjusts through first adjusting device, second adjusting device, third adjusting device and the fourth adjusting device to respectively, thereby makes back cushion and user's waist laminating furthest reduce the pressure of user's waist, can alleviate back pressure through the lug that sets up, conveniently carries out the dismantlement of back cushion through the elastic webbing that sets up.
Description
Technical Field
The utility model relates to an office chair back cushion device convenient to dismantle belongs to office chair back cushion device field.
Background
The office chair refers to various chairs which are equipped for working conveniently in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair, the narrow office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a guest-meeting chair, a staff chair, a conference chair, a visitor chair, a training chair and the like.
Existing office chair is equipped with the back cushion mostly, owing to need carry out the sunning after using for a long time, and existing office chair bottom back cushion can not be dismantled, perhaps dismantles more troublesome, and existing back cushion angle can not be adjusted to unable and user's waist laminating, unable better user's of alleviating waist pressure.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an office chair back cushion device convenient to dismantle through increasing back cushion, lug to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the present invention is realized by the following technical solution: an office chair headrest device convenient to disassemble comprises a chair back, an arched frame, casters, a chair seat and a headrest, wherein a plurality of groups of casters are arranged at the bottom of the arched frame, a lifting rod is arranged at the top of the arched frame, the chair seat is arranged at the top of the lifting rod, two groups of armrests are arranged at the top of the chair seat, a chair back is arranged between the two groups of armrests, a first adjusting nut is arranged on the back surface of the chair back, a second adjusting nut is arranged on the back surface of the chair back, a threaded pipe is arranged inside the first adjusting nut, a bearing is arranged inside the chair back, a threaded pipe is arranged inside the bearing, a screw rod is arranged inside the threaded pipe, a first fixing plate is arranged on the front surface of the chair back, a round hole is arranged inside the first fixing plate, a screw rod is arranged inside the round hole, a hinge joint is arranged on the upper, the utility model discloses a safety pillow, including first fixed plate, second fixed plate, back cushion, fixing clip, elastic band, first fixed plate and second fixed plate outside are equipped with the back cushion, the back cushion left side is equipped with the fixing clip, the inside dead lever that is equipped with of fixing clip, the dead lever outside is equipped with the elastic band, the back cushion front surface is equipped with the lug, first fixed plate and second fixed plate outside are equipped.
Furthermore, a cotton filler is arranged inside the back cushion, a cylindrical sponge column is arranged inside the bump, and a layer of textile fabric wraps the outer surfaces of the back cushion and the bump.
Further, first fixed establishment includes fixing clip and elastic webbing, back cushion left side upper end is equipped with first fixed establishment, back cushion left side lower extreme is equipped with second fixed establishment, back cushion right side upper end is equipped with third fixed establishment, back cushion right side lower extreme is equipped with fourth fixed establishment, first fixed establishment, second fixed establishment, third fixed establishment and fourth fixed establishment structure are the same.
Further, back of the chair back upper left position is equipped with first adjusting device, first adjusting device includes first adjusting nut, bearing, screwed pipe, screw rod and articulated seat, back of the chair back lower left position is equipped with second adjusting device, back of the chair back upper right position is equipped with third adjusting device, back of the chair back lower right position is equipped with fourth adjusting device, first adjusting device, second adjusting device, third adjusting device and fourth adjusting device structure are the same.
Further, the inner surface of the threaded pipe is rolled with internal threads, and the outer surface of the screw rod is rolled with external threads.
Furthermore, the first fixing plate is fixed on the front surface of the chair back through glue joint.
The utility model has the advantages that: the utility model discloses an office chair back cushion device convenient to dismantle adjusts through first adjusting device, second adjusting device, third adjusting device and the fourth adjusting device to respectively, thereby makes back cushion and user's waist laminating furthest reduce the pressure of user's waist, can alleviate back pressure through the lug that sets up, conveniently carries out the dismantlement of back cushion through the elastic webbing that sets up.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a detachable office chair headrest device of the present invention;
FIG. 2 is a left side view of the easy-to-detach headrest device of an office chair of the present invention;
FIG. 3 is a left side sectional view of the easy-to-detach office chair headrest device of the present invention;
FIG. 4 is an enlarged view of the easy-to-detach office chair headrest device of the present invention at the position A;
in the figure: 1-chair back, 2-bow-shaped frame, 3-truckle, 4-lifting rod, 5-chair seat, 6-armrest, 7-first adjusting nut, 8-second adjusting nut, 9-bearing, 10-screwed pipe, 11-canvas, 12-first fixing plate, 13-screw, 14-articulated joint, 15-articulated seat, 16-second fixing plate, 17-headrest, 18-lug, 19-fixing clip and 20-elastic band.
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 headrest device convenient to disassemble comprises a chair back 1, an arch-shaped frame 2, casters 3, a chair seat 5 and a headrest 17, wherein a plurality of groups of casters 3 are arranged at the bottom of the arch-shaped frame 2, lifting rods 4 are arranged at the top of the arch-shaped frame 2, the chair seat 5 is arranged at the top of the lifting rods 4, two groups of armrests 6 are arranged at the top of the chair seat 5, the chair back 1 is arranged between the two groups of armrests 6, a first adjusting nut 7 is arranged at the back of the chair back 1, a second adjusting nut 8 is arranged at the back of the chair back 1, a threaded pipe 10 is arranged inside the first adjusting nut 7, a bearing 9 is arranged inside the chair back 1, a threaded pipe 10 is arranged inside the threaded pipe 10, a screw 13 is arranged inside the threaded pipe 10, a first fixing plate 12 is arranged on the front surface of the chair back 1, a round hole is arranged inside the first fixing plate 12, a screw 13 is arranged, the front surface of the second fixing plate 16 is provided with a back cushion 17, the left side of the back cushion 17 is provided with a fixing clip 19, a fixing rod is arranged inside the fixing clip 19, an elastic belt 20 is arranged outside the fixing rod, the front surface of the back cushion 17 is provided with a convex block 18, and the outer parts of the first fixing plate 12 and the second fixing plate 16 are provided with canvas 11.
The inside cotton filler that is equipped with of back cushion 17, the inside cylindrical sponge post that is equipped with of lug 18, back pressure can be alleviated through the lug 18 that sets up to back cushion 17 and 18 surface parcel of lug have a layer textile cloth.
First fixed establishment includes fixing clip 19 and elastic webbing 20, back cushion 17 left side upper end is equipped with first fixed establishment, back cushion 17 left side lower extreme is equipped with second fixed establishment, back cushion 17 right side upper end is equipped with third fixed establishment, back cushion 17 right side lower extreme is equipped with fourth fixed establishment, first fixed establishment, second fixed establishment, third fixed establishment and fourth fixed establishment structure are the same, fix on the dead lever on fixing clip 19 on the third fixed establishment through the winding of elastic webbing 20 on the first fixed establishment, fix on the dead lever on fixing clip 19 on the fourth fixed establishment through the winding of elastic webbing 20 on the second fixed establishment, carry out the fixed of back cushion 17.
First adjusting device includes first adjusting nut 7, bearing 9, screwed pipe 10, screw rod 13 and articulated seat 15, 1 back upper left position of the back of the chair is equipped with first adjusting device, 1 back lower left position of the back of the chair is equipped with second adjusting device, 1 back upper right position of the back of the chair is equipped with third adjusting device, 1 back lower right position of the back of the chair is equipped with fourth adjusting device, first adjusting device, second adjusting device, third adjusting device and fourth adjusting device structure are the same, through adjusting first adjusting device respectively, the second adjusting device, third adjusting device and fourth adjusting device carry out the regulation of back cushion 17.
The inner surface of the threaded pipe 10 is rolled with internal threads, the outer surface of the screw rod 13 is rolled with external threads, and the threaded pipe 10 is fixed outside the screw rod 13 through the matching of the internal threads and the external threads.
The first fixing plate 12 is fixed on the front surface of the chair back 1 by gluing, and the first fixing plate 12 and the second fixing plate 16 are sealed and dustproof by canvas 11.
As an embodiment of the present invention: in the actual use process, the first adjusting nut 7 on the first adjusting device is rotated, through the matching of internal threads and external threads, as the screw 13, the hinge 14, the hinge seat 15 and the second fixing plate 16 are fixed, the threaded pipe 10 is rotated to push the screw 13 to move forwards, the screw 13 pushes the hinge seat 15 to move forwards through the hinge 14, the hinge seat 15 pushes the second fixing plate 16 to move forwards, the originally folded canvas 11 is unfolded, the second fixing plate 16 pushes the back cushion 17 to move forwards, through the rotating of the nuts on the first adjusting device and the third adjusting device, through the hinge matching of the hinge 14 and the hinge seat 15, the upper end of the back cushion 17 is inclined forwards, and through the rotating of the first adjusting nut 7 on the second adjusting device and the fourth adjusting device, the lower end of the back cushion 17 is inclined forwards, through the rotating of the first adjusting nut 7 on the first adjusting device and the fourth adjusting device respectively, The second adjusting device, the third adjusting device and the fourth adjusting device adjust the back cushion 17, so that the pressure of the waist of the user is reduced to the maximum extent by fitting the back cushion 17 with the waist of the user, and the back pressure can be relieved through the arranged convex blocks 18.
In actual use, the headrest 17 can be quickly disassembled by unwinding the elastic band 20 wound on the third fixing clip 19 and the fourth fixing clip 19.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides an office chair back cushion device convenient to dismantle, includes back of the chair, bow-shaped frame, truckle, seat support and back cushion, its characterized in that: the novel chair comprises a bow-shaped frame, and is characterized in that a plurality of groups of trundles are arranged at the bottom of the bow-shaped frame, lifting rods are arranged at the top of the bow-shaped frame, a chair seat is arranged at the top of the lifting rods, two groups of handrails are arranged at the top of the chair seat, a chair back is arranged between the two groups of handrails, a first adjusting nut is arranged at the back of the chair back, a second adjusting nut is arranged at the back of the chair back, a threaded pipe is arranged inside the first adjusting nut, a bearing is arranged inside the chair back, a threaded pipe is arranged inside the bearing, a screw rod is arranged inside the threaded pipe, a first fixing plate is arranged on the front surface of the chair back, a round hole is arranged inside the first fixing plate, a screw rod is arranged inside the round hole, a hinge joint is arranged on the upper surface of the screw rod, a hinge seat is arranged, the outside of the fixed rod is provided with an elastic belt, the front surface of the back cushion is provided with a convex block, and the outside of the first fixed plate and the second fixed plate is provided with canvas.
2. An office chair headrest apparatus facilitating disassembly as claimed in claim 1, wherein: the novel headrest is characterized in that cotton fillers are arranged inside the headrest, cylindrical sponge columns are arranged inside the bumps, and a layer of textile fabric wraps the outer surfaces of the headrest and the bumps.
3. An office chair headrest apparatus facilitating disassembly as claimed in claim 1, wherein: first fixed establishment includes fixing clip and elastic webbing, headrest left side upper end is equipped with first fixed establishment, headrest left side lower extreme is equipped with second fixed establishment, headrest right side upper end is equipped with third fixed establishment, headrest right side lower extreme is equipped with fourth fixed establishment, first fixed establishment, second fixed establishment, third fixed establishment and fourth fixed establishment structure are the same.
4. An office chair headrest apparatus facilitating disassembly as claimed in claim 1, wherein: the utility model discloses a chair back, including back of the chair, screw rod and first adjusting device, back of the chair left side upper position is equipped with first adjusting device, first adjusting device includes first adjusting nut, bearing, screwed pipe, screw rod and articulated seat, back of the chair back left side lower position is equipped with second adjusting device, back of the chair back right side upper position is equipped with third adjusting device, back of the chair back right side lower position is equipped with fourth adjusting device, first adjusting device, second adjusting device, third adjusting device and fourth adjusting device structure are the same.
5. An office chair headrest apparatus facilitating disassembly as claimed in claim 1, wherein: the inner surface of the threaded pipe is rolled with internal threads, and the outer surface of the screw rod is rolled with external threads.
6. An office chair headrest apparatus facilitating disassembly as claimed in claim 1, wherein: the first fixing plate is fixed on the front surface of the chair back through glue joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626343.6U CN212939021U (en) | 2020-08-07 | 2020-08-07 | Office chair back cushion device convenient to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626343.6U CN212939021U (en) | 2020-08-07 | 2020-08-07 | Office chair back cushion device convenient to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212939021U true CN212939021U (en) | 2021-04-13 |
Family
ID=75348191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021626343.6U Active CN212939021U (en) | 2020-08-07 | 2020-08-07 | Office chair back cushion device convenient to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212939021U (en) |
-
2020
- 2020-08-07 CN CN202021626343.6U patent/CN212939021U/en active Active
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