CN213046195U - Office chair with convertible handrail structure - Google Patents
Office chair with convertible handrail structure Download PDFInfo
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- CN213046195U CN213046195U CN202022395302.7U CN202022395302U CN213046195U CN 213046195 U CN213046195 U CN 213046195U CN 202022395302 U CN202022395302 U CN 202022395302U CN 213046195 U CN213046195 U CN 213046195U
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- handrail
- office chair
- gear
- convertible
- fixedly connected
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Abstract
The utility model provides an office chair with convertible handrail structure belongs to office chair technical field, and this office chair with convertible handrail structure includes bedplate, back frame and handrail, one side of bedplate lower surface has the back connecting piece through first bolt swing joint. This office chair with convertible handrail structure, through square pole, solid fixed ring, the gear, tension spring, the setting of sleeve and annular tooth, when the user felt that the height of handrail was unsuitable oneself or does not need the handrail, can press the regulating block, make the surface separation of gear and annular tooth meshing, adjust the handrail to oneself and feel after the suitable position, loosen the regulating block again, make gear and annular tooth be the engaged state under tension spring's effect, thereby fix the angle of handrail, provide good support for user's arm, can rotate the side of backrest frame with the handrail when not needing the handrail.
Description
Technical Field
The utility model belongs to the technical field of the office chair, concretely relates to office chair with convertible handrail structure.
Background
The office chair refers to various chairs which are convenient to work in daily work and social activities, the narrowly defined 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 refers to all chairs used in offices; from the viewpoint of material composition, it can be divided into: genuine leather office chairs, PU leather office chairs, cloth cover office chairs, mesh cloth office chairs, plastic office chairs and the like; from the point of view of the type of use, it can be divided into: executive chairs, work chairs, office chairs, executive chairs, meeting chairs, guest-meeting chairs, ergonomic chairs, etc.
In the prior art, the armrest structure of the office chair is used for supporting the elbow position of the user and reducing the burden on the hand or the shoulder of the user, but the support range of the existing armrest structure is limited, and when the posture of the user changes, the position of the armrest structure cannot be adjusted, so that the armrest structure cannot provide good support for the user.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an office chair with convertible handrail structure aims at solving among the prior art problem that handrail structure is fixed can't provide good support for the user.
In order to achieve the above object, the utility model provides a following technical scheme: an office chair with a turnover armrest structure comprises a seat board, a backrest frame and armrests, wherein one side of the lower surface of the seat board is movably connected with a backrest connecting piece through a first bolt, the upper surface of the backrest connecting piece is fixedly connected with the backrest frame, square holes are formed in the two sides of the backrest frame, a square rod is movably connected inside the square hole, a fixing ring is fixedly connected to the outer side surface, close to the square hole, of the backrest frame, a gear is sleeved on the surface of the square rod, one end of the gear is movably connected with a tension spring, one end of the tension spring is movably connected with the outer side surface of the backrest frame, a sleeve is sleeved on the surface of the fixing ring, one end of the inner side wall of the sleeve is fixedly connected with annular teeth, the inside of the annular teeth is connected with the surface of the gear in a meshing manner, and a fixing block is fixedly connected to one, the other end fixedly connected with regulating block of square pole, telescopic fixed surface is connected with the handrail.
In order to make this office chair with convertible handrail structure reach the effect of making things convenient for lift removal, as the utility model relates to an it is preferred, the center department of bedplate lower surface has support piece through second bolt swing joint, support piece's lower surface is pegged graft and is had the hydraulic stem, the base has been cup jointed to the bottom of hydraulic stem, the lower surface swing joint of base has the removal wheel.
In order to make this office chair with convertible handrail structure reach the effect of avoiding the gear rotation, conduct the utility model relates to an it is preferred, square pole is fixed connection with the gear.
In order to make this office chair with convertible handrail structure reach stable effect, conduct the utility model relates to an it is preferred, tension spring, gear and square pole are all established in solid fixed ring's inside.
In order to make this kind of office chair with convertible handrail structure reach the effect that increases the comfort level, as the utility model relates to an it is preferred, the upper surface of bedplate is provided with the rubber pad, the upper surface of handrail is provided with the foam-rubber cushion.
In order to make this office chair with convertible handrail structure reach the effect of support, conduct the utility model relates to an it is preferred, back frame's top swing joint has the headrest, one side fixedly connected with elastic net of back frame inner wall.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this office chair with convertible handrail structure, through square pole, solid fixed ring, the gear, tension spring, the setting of sleeve and annular tooth, when the user felt that the height of handrail was unsuitable oneself or does not need the handrail, can press the regulating block, make the surface separation of gear and annular tooth meshing, adjust the handrail to oneself and feel after the suitable position, loosen the regulating block again, make gear and annular tooth be the engaged state under tension spring's effect, thereby fix the angle of handrail, provide good support for user's arm, can rotate the side of backrest frame with the handrail when not needing the handrail.
2. This office chair with convertible handrail structure, through the setting of rubber pad, foam-rubber cushion, headrest and elastic network, rubber pad and foam-rubber cushion can increase the travelling comfort when user's work is sat, avoid the user to sit for a long time and feel tired, headrest and elastic network can play the effect to head and lumbar support respectively, this office chair overall structure is comparatively scientific and reasonable to holistic principle is comparatively simple, and the function easily realizes, has certain use value and spreading value.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic view of the rear bottom structure of the present invention;
fig. 3 is a schematic front view of an explosive cross-sectional structure of the back frame of the present invention;
fig. 4 is an enlarged schematic structural diagram of a position a in fig. 3 according to the present invention.
In the figure: 1. a seat plate; 2. a backrest connector; 3. a backrest frame; 4. a square rod; 5. a fixing ring; 6. a gear; 7. a tension spring; 8. a sleeve; 9. an annular tooth; 10. a fixed block; 11. an adjusting block; 12. a handrail; 13. a support member; 14. a hydraulic lever; 15. a base; 16. a moving wheel; 17. a rubber pad; 18. a sponge cushion; 19. a headrest; 20. an elastic net.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: an office chair with a turnover armrest structure comprises a seat board 1, a backrest frame 3 and armrests 12, wherein one side of the lower surface of the seat board 1 is movably connected with a backrest connecting piece 2 through a first bolt, the upper surface of the backrest connecting piece 2 is fixedly connected with the backrest frame 3, both sides of the backrest frame 3 are respectively provided with a square hole, the inside of the square hole is movably connected with a square rod 4, the outer side surface of the backrest frame 3 close to the square hole is fixedly connected with a fixing ring 5, the surface of the square rod 4 is sleeved with a gear 6, one end of the gear 6 is movably connected with a tension spring 7, one end of the tension spring 7 is movably connected with the outer side surface of the backrest frame 3, the surface of the fixing ring 5 is sleeved with a sleeve 8, one end of the inner side wall of the sleeve 8 is fixedly connected with an annular tooth 9, the inside of the annular tooth 9 is connected with the surface of the gear, the other end of the square rod 4 is fixedly connected with an adjusting block 11, and the surface of the sleeve 8 is fixedly connected with a handrail 12.
In the embodiment of the utility model, through square pole 4, solid fixed ring 5, gear 6, tension spring 7, the setting of sleeve 8 and annular tooth 9, when the user felt that the height of handrail 12 is unsuitable oneself or do not need handrail 12, can press regulating block 11, make gear 6 and the surface separation of annular tooth 9 meshing, after transferring handrail 12 to oneself and feeling suitable position, loosen regulating block 11 again, make gear 6 and annular tooth 9 be the engaged with state under tension spring 7's effect, thereby fix handrail 12's angle, provide good support for user's arm, can rotate handrail 12 to the side of back frame 3 when not needing handrail 12.
Specifically, the center department of bedplate 1 lower surface has support piece 13 through second bolt swing joint, and support piece 13's lower surface is pegged graft and is had hydraulic stem 14, and base 15 has been cup jointed to hydraulic stem 14's bottom, and base 15's lower surface swing joint has the removal wheel 16.
In this embodiment: through the setting of hydraulic stem 14 and removal wheel 16, the height of bedplate 1 can be adjusted to hydraulic stem 14, can adapt to the crowd of different heights, and removal wheel 16 makes the removal of office chair more convenient.
Specifically, the square rod 4 is fixedly connected with the gear 6.
In this embodiment: through the setting of square pole 4 and quad slit, avoid overturning handrail 12 and gear 6 on the square pole 4 rotates along with handrail 12, play not fixed effect.
Specifically, the tension spring 7, the gear 6 and the square rod 4 are all arranged inside the fixed ring 5.
In this embodiment: the tension spring 7, the gear 6 and the square rod 4 are all arranged inside the fixing ring 5 for achieving a stabilizing effect.
Specifically, the upper surface of the seat board 1 is provided with a rubber pad 17, the upper surface of the armrest 12 is provided with a spongy cushion 18, the top end of the backrest frame 3 is movably connected with a headrest 19, and one side of the inner wall of the backrest frame 3 is fixedly connected with an elastic net 20.
In this embodiment: through the setting of rubber pad 17, foam-rubber cushion 18, headrest 19 and elastic net 20, rubber pad 17 and foam-rubber cushion 18 can increase the travelling comfort when user's work is sat, avoid the user to sit for a long time and feel tired, and headrest 19 and elastic net 20 can play the effect to head and lumbar support respectively.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The utility model discloses a theory of operation and use flow: this office chair with convertible handrail structure is when using, through the setting of square pole 4, solid fixed ring 5, gear 6, tension spring 7, sleeve 8 and annular tooth 9, when the user felt that the height of handrail 12 is unsuitable oneself or does not need handrail 12, can press regulating block 11, make the surface separation of gear 6 and annular tooth 9 meshing, adjust handrail 12 to oneself feel behind the suitable position, loosen regulating block 11 again, make gear 6 and annular tooth 9 be the engaged state under tension spring 7's effect, thereby fix handrail 12's angle, provide good support for user's arm, can rotate handrail 12 to the side of back frame 3 when not needing handrail 12.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an office chair with convertible handrail structure, includes bedplate (1), back frame (3) and handrail (12), its characterized in that: one side of the lower surface of the seat plate (1) is movably connected with a backrest connecting piece (2) through a first bolt, the upper surface of the backrest connecting piece (2) is fixedly connected with a backrest frame (3), square holes are formed in the two sides of the backrest frame (3), a square rod (4) is movably connected inside the square hole, a fixing ring (5) is fixedly connected to the outer side surface, close to the square hole, of the backrest frame (3), a gear (6) is sleeved on the surface of the square rod (4), one end of the gear (6) is movably connected with a tension spring (7), one end of the tension spring (7) is movably connected with the outer side surface of the backrest frame (3), a sleeve (8) is sleeved on the surface of the fixing ring (5), one end of the inner side wall of the sleeve (8) is fixedly connected with annular teeth (9), the inside of the annular teeth (9) is meshed with the surface of the gear (6), one end fixedly connected with fixed block (10) that square pole (4) are close to back frame (3), the other end fixedly connected with regulating block (11) of square pole (4), the fixed surface of sleeve (8) is connected with handrail (12).
2. An office chair with a convertible armrest structure as claimed in claim 1, wherein: the center department of bedplate (1) lower surface has support piece (13) through second bolt swing joint, the lower surface of support piece (13) is pegged graft and is had hydraulic stem (14), base (15) have been cup jointed to the bottom of hydraulic stem (14), the lower surface swing joint of base (15) has removal wheel (16).
3. An office chair with a convertible armrest structure as claimed in claim 1, wherein: the square rod (4) is fixedly connected with the gear (6).
4. An office chair with a convertible armrest structure as claimed in claim 1, wherein: tension spring (7), gear (6) and square pole (4) all establish the inside at solid fixed ring (5).
5. An office chair with a convertible armrest structure as claimed in claim 1, wherein: the upper surface of the seat board (1) is provided with a rubber pad (17), and the upper surface of the handrail (12) is provided with a spongy cushion (18).
6. An office chair with a convertible armrest structure as claimed in claim 1, wherein: the top end of the backrest frame (3) is movably connected with a headrest (19), and one side of the inner wall of the backrest frame (3) is fixedly connected with an elastic net (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022395302.7U CN213046195U (en) | 2020-10-26 | 2020-10-26 | Office chair with convertible handrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022395302.7U CN213046195U (en) | 2020-10-26 | 2020-10-26 | Office chair with convertible handrail structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213046195U true CN213046195U (en) | 2021-04-27 |
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ID=75563116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022395302.7U Active CN213046195U (en) | 2020-10-26 | 2020-10-26 | Office chair with convertible handrail structure |
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| CN (1) | CN213046195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027660A (en) * | 2021-11-30 | 2022-02-11 | 杭州恒丰家具有限公司 | Turnover mechanism and seat |
-
2020
- 2020-10-26 CN CN202022395302.7U patent/CN213046195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027660A (en) * | 2021-11-30 | 2022-02-11 | 杭州恒丰家具有限公司 | Turnover mechanism and seat |
| CN114027660B (en) * | 2021-11-30 | 2024-05-28 | 杭州恒丰家具有限公司 | Turnover mechanism and seat |
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