CN212995520U - Office chair with backrest - Google Patents
Office chair with backrest Download PDFInfo
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- CN212995520U CN212995520U CN202022416992.XU CN202022416992U CN212995520U CN 212995520 U CN212995520 U CN 212995520U CN 202022416992 U CN202022416992 U CN 202022416992U CN 212995520 U CN212995520 U CN 212995520U
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Abstract
The utility model relates to an office supplies technical field, in particular to area leans on waist office chair, including the steel chassis, the steel chassis props the steel construction including leaning on propping the steel construction and sitting, lean on to prop the steel construction and sit and prop setting and integrated into one piece about the steel construction, lean on to prop the ascending box mount of steel construction left end fixedly connected with, the seat props the steel construction outside and is provided with whereabouts box mount, and is provided with the driving frame between the box mount of whereabouts, be provided with the bracing piece on the driving frame, the driving frame below is provided with flexible hydro-cylinder, lean on to prop the steel construction and sit the outside cover respectively of steel construction and be equipped with and lean on the case that rises and sit down, be provided with the slide rail on the wall of case right side that rises, and the slide rail embeds there is by the waist, lean on. The utility model relates to a novelty, it is rational in infrastructure, whole easy operation, convenient to use.
Description
Technical Field
The utility model relates to an office supplies technical field, in particular to office chair is leaned on in area.
Background
Nowadays, living standard is continuously improved, scenes of intense competition among office workers are also increasingly developed, working time and working strength are also continuously increased, therefore, enterprises in the world increasingly pay more attention to the selection of seating equipment of employees, along with the improvement of standards of the seating equipment of the enterprises, fatigue of superstrong load of the employees in work is relieved, functions and ergonomics of the seating equipment are continuously developed, the current office chair mainly plays a role in improving office efficiency, relieving working pressure and fatigue, and possessing a good office chair and enabling the office to become enjoyable.
The office chair on the market at present has a single structure, is rarely provided with a backrest, is easy to feel uncomfortable when a person sits on the waist for a long time, and cannot meet the use requirements of customers.
Therefore, a need exists for a chair with a lumbar support to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take back office chair that rational in infrastructure, convenient operation just have the back to the defect and not enough of prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A area lean on waist office chair, including the steel chassis, the steel chassis props the steel construction including leaning on propping the steel construction and sitting, lean on to prop the steel construction and sit and prop setting and integrated into one piece about the steel construction, lean on to prop the ascending box mount of steel construction left end fixedly connected with, the seat props the steel construction outside and is provided with whereabouts box mount, and is provided with the driving frame between the box mount of whereabouts, be provided with the bracing piece on the driving frame, the driving frame below is provided with telescopic cylinder, lean on to prop the steel construction and sit and prop the outside difference cover of steel construction and be equipped with and lean on the case that rises and sit down, be provided with the slide rail on the wall of rising case right side, and the slide rail embeds there is by the waist, lean on the waist including guide rail, back frame.
Furthermore, the upper lifting box and the lower sitting box are both designed to be open at the lower end, the upper lifting box and the lower sitting box are both irregular boxes, and the upper lifting box and the lower sitting box are matched with each other.
Further, the bracing piece transversely is fixed between the steel construction is propped to the seat, the driving frame cover is established on the bracing piece and is used the bracing piece as the fulcrum motion, driving frame one end and ascending box mount fixed connection, the other end and whereabouts box mount fixed connection.
Further, the whereabouts box mount sets up and props the steel construction outside at the seat, the whereabouts box mount props steel construction lateral wall sliding connection and is the up-and-down motion with the seat, whereabouts box mount one end with sit down incasement lateral wall fixed connection, the other end with sit and prop steel construction sliding connection.
Furthermore, flexible hydro-cylinder sets up on sitting props the steel construction, and its one end props the steel construction with sitting and articulates fixedly, and the other end articulates fixedly with the driving frame.
Further, the waist rest is connected with the sliding rail in a sliding mode and moves up and down.
Further, the guide rail and the adjusting shaft are respectively arranged on the front side wall and the rear side wall of the back frame and fixedly connected with each other, the adjusting shaft is connected with the back frame in a sliding mode, the back blade is installed on the adjusting shaft and is connected with the adjusting shaft in a rotating mode, the back blade is formed by ABS plastic, heat dissipation holes are distributed at equal intervals, and grid cloth is sleeved on the outer side of the back blade.
Furthermore, waist-shaped holes are formed in the supporting steel structure, the falling box fixing frame and the transmission frame.
The utility model discloses beneficial effect does: the utility model relates to a novelty, it is rational in infrastructure, responsive box seat structure outward appearance is pleasing to the eye, and is interesting high, can effectively alleviate operating pressure and visual fatigue through laying the blanket that the staff oneself liked in the top, and installs whole convenient operation, and the cooperation is adjustable during the use can effectually play the protection to the waist, can alleviate physical and mental well, excellent in use effect.
Drawings
Fig. 1 is a schematic view of the opening structure of the office chair with a backrest.
Fig. 2 is a schematic view of the combined structure of the office chair with a backrest.
Fig. 3 is a schematic view of a backrest structure of an office chair with a backrest.
In FIGS. 1-3: 1. a steel chassis; 11. a steel structure is supported; 12. a steel structure is supported in a sitting mode; 2. a lifting box body fixing frame; 3. a falling box body fixing frame; 4. a transmission frame; 5. a support bar; 6. a telescopic oil cylinder; 7. raising the box; 8. sitting down the box; 9. a slide rail; 10. leaning against the waist; 101. a guide rail; 102. a back frame; 103. an adjustment shaft; 104. the dorsal lobe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model discloses a waist office chair is leaned on in area, including steel chassis 1, steel chassis 1 props steel construction 11 and seat including leaning on to prop steel construction 12, lean on to prop steel construction 11 and seat and prop about steel construction 12 setting and integrated into one piece, lean on to prop 11 left end fixedly connected with of steel construction ascending box mount 2, the seat props the steel construction 12 outside and is provided with whereabouts box mount 3, and be provided with between the whereabouts box mount 3 drive frame 4, be provided with bracing piece 5 on the drive frame 4, drive frame 4 below is provided with telescopic cylinder 6, lean on to prop steel construction 11 and seat and prop the outside of steel construction 12 and overlap respectively and be equipped with and lean on ascending box 7 and seat case 8 that falls, lean on to be provided with slide rail 9 on ascending box 7 right side wall, and slide rail 9 embeds there is by waist 10, lean on waist 10 including guide rail 101.
Wherein, both the ascending box 7 and the sitting box 8 are designed with lower openings, both the ascending box 7 and the sitting box 8 are irregular boxes, the ascending box 7 is matched with the sitting box 8, the support rod 5 is transversely fixed between the sitting support steel structures 12, the transmission frame 4 is sleeved on the support rod 5 and moves by taking the support rod 5 as a fulcrum, one end of the transmission frame 4 is fixedly connected with the ascending box fixing frame 2, the other end is fixedly connected with the falling box fixing frame 3, the falling box fixing frame 3 is arranged at the outer side of the sitting support steel structures 12, the falling box fixing frame 3 is slidably connected with the side wall of the sitting support steel structures 12 and moves up and down, one end of the falling box fixing frame 3 is fixedly connected with the inner side wall of the sitting box 8, the other end is slidably connected with the sitting support steel structures 12, the telescopic oil cylinder 6 is arranged on the sitting support steel structures 12, one end of the telescopic oil cylinder is hinged, the backrest 10 is connected with the sliding rail 9 in a sliding mode and moves up and down, the guide rail 101 and the adjusting shaft 103 are respectively arranged on the front side wall and the rear side wall of the back frame 102 and are fixedly connected, the adjusting shaft 103 is connected with the back frame 102 in a sliding mode, the back blade 104 is installed on the adjusting shaft 103 and is connected with the adjusting shaft 103 in a rotating mode, the back blade 104 is formed by ABS plastic, heat dissipation holes are distributed at equal intervals, mesh cloth is sleeved on the outer side of the back blade, and waist-shaped holes are formed in the backrest support steel structure 11, the falling box body fixing frame 3 and the transmission frame 4.
Working principle, when using this device, sit on sitting down case 8, sit down case 8 and descend and drive whereabouts box mount 3 decline and drive the gear frame 4 decline and use bracing piece 5 as the fulcrum to lift ascending box mount 2, with ascending box 7 that leans on of ascending box mount 2 fixed connection also rise thereupon, lean on ascending box 7 to rise simultaneously slide rail 9 along the guide rail rebound of leaning on waist 10, it is unchangeable to lean on waist 10 position, during the use, regulating spindle 103 can be according to the strength automatically regulated who comes from back leaf 104, make back leaf 104 more laminate the human body, excellent in use effect, when personnel leave, gear frame 4 loses the strength and resets, ascending box mount 2 also resets thereupon and drives and lean on ascending box 7 and descend and flush with sitting down case 8, because it is still in slide rail 9 to lean on a part of waist 10, so can not take place to empty, excellent in use effect.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (8)
1. The utility model provides a waist office chair is leaned on in area, includes steel chassis (1), its characterized in that: steel chassis (1) prop steel construction (12) including leaning on propping steel construction (11) and sitting, prop steel construction (11) and sit and prop setting and integrated into one piece about steel construction (12), lean on and prop steel construction (11) left end fixedly connected with ascending box mount (2), it is provided with whereabouts box mount (3) to sit to prop the steel construction (12) outside, and is provided with between whereabouts box mount (3) driving frame (4), be provided with bracing piece (5) on driving frame (4), driving frame (4) below is provided with flexible hydro-cylinder (6), lean on to prop steel construction (11) and sit and prop steel construction (12) outside respectively the cover and be equipped with and lean on ascending case (7) and sit down case (8), lean on to be provided with on ascending case (7) right side wall, and slide rail (9) embeds to lean on waist (10), lean on waist (10) including guide rail (101), A back frame (102), an adjusting shaft (103) and a back leaf (104).
2. The office chair with back as claimed in claim 1, wherein: the box is characterized in that the box (7) is lifted by the aid of the upper opening, the box (8) is seated by the aid of the lower opening, the box (7) is lifted by the aid of the lower opening, the box (8) is seated by the aid of the lower opening, and the box (7) is matched with the box (8) which is seated by the aid of the upper opening.
3. The office chair with back as claimed in claim 1, wherein: bracing piece (5) transverse fixation props between steel construction (12) at the seat, driving frame (4) cover is established on bracing piece (5) and is used bracing piece (5) as the fulcrum motion, driving frame (4) one end and ascending box mount (2) fixed connection, the other end and whereabouts box mount (3) fixed connection.
4. The office chair with back as claimed in claim 1, wherein: the steel structure (12) outside is propped in the seat in whereabouts box mount (3) setting, steel structure (12) lateral wall sliding connection is propped and is the up-and-down motion with the seat in whereabouts box mount (3), whereabouts box mount (3) one end with sit and fall case (8) inside wall fixed connection, the other end with sit and prop steel structure (12) sliding connection.
5. The office chair with back as claimed in claim 1, wherein: the telescopic oil cylinder (6) is arranged on the support steel structure (12), one end of the telescopic oil cylinder is hinged and fixed with the support steel structure (12), and the other end of the telescopic oil cylinder is hinged and fixed with the transmission frame (4).
6. The office chair with back as claimed in claim 1, wherein: the waist support (10) is connected with the sliding rail (9) in a sliding way and moves up and down.
7. The office chair with back as claimed in claim 1, wherein: the back leaf type ABS plastic frame is characterized in that the guide rail (101) and the adjusting shaft (103) are respectively arranged on the front side wall and the rear side wall of the back frame (102) and fixedly connected with the front side wall and the rear side wall of the back frame (102), the adjusting shaft (103) is connected with the back frame (102) in a sliding mode, the back leaf (104) is installed on the adjusting shaft (103) and is connected with the adjusting shaft (103) in a rotating mode, the back leaf (104) is formed by ABS plastic, heat dissipation holes are distributed at equal intervals, and grid cloth is sleeved.
8. The office chair with back as claimed in claim 1, wherein: waist-shaped holes are formed in the supporting steel structure (11), the falling box fixing frame (3) and the transmission frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416992.XU CN212995520U (en) | 2020-10-27 | 2020-10-27 | Office chair with backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022416992.XU CN212995520U (en) | 2020-10-27 | 2020-10-27 | Office chair with backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212995520U true CN212995520U (en) | 2021-04-20 |
Family
ID=75481530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022416992.XU Active CN212995520U (en) | 2020-10-27 | 2020-10-27 | Office chair with backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212995520U (en) |
-
2020
- 2020-10-27 CN CN202022416992.XU patent/CN212995520U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315177 Daijia community, Gulin Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Hongbang Intelligent Furniture Co.,Ltd. Address before: 315177 Daijia community, Gulin Town, Haishu District, Ningbo City, Zhejiang Province Patentee before: Ningbo Hongbang Furniture Co.,Ltd. |