CN219556761U - Office chair with adjustable lumbar support - Google Patents
Office chair with adjustable lumbar support Download PDFInfo
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- CN219556761U CN219556761U CN202320237369.9U CN202320237369U CN219556761U CN 219556761 U CN219556761 U CN 219556761U CN 202320237369 U CN202320237369 U CN 202320237369U CN 219556761 U CN219556761 U CN 219556761U
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- chair
- lumbar support
- adjustable lumbar
- office chair
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- 206010069689 Spinal column injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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Abstract
The utility model provides an office chair with adjustable lumbar support. The office chair with the adjustable lumbar support comprises a chair surface, a through groove is formed in the surface of the vertical surface of the chair surface, an adjusting backboard is rotationally connected in the through groove, a group of supports are fixedly connected to the left side and the right side below the chair surface respectively, an adjusting mechanism is arranged behind the vertical surface of the chair surface, and the adjusting mechanism is connected with the adjusting backboard and the supports respectively. According to the utility model, the arc-shaped adjusting back plate is rotatably arranged on the chair surface through the additionally arranged adjusting back plate and the adjusting mechanism, and the adjusting back plate is connected with the bracket through the adjusting mechanism, and the adjusting mechanism can drive the adjusting back plate to rotate, so that the angle of the adjusting back plate on the angle of the chair surface is adjusted, the distance between the adjusting back plate and the waist of a user is further realized, the supporting angle and the supporting position of the adjusting back plate on the waist of the user are changed, the supporting of the office chair on the waist of the user is conveniently adjusted according to the requirement of the user, and the comfort and the application range of the office chair are effectively increased.
Description
Technical Field
The utility model relates to the technical field of office chairs, in particular to an office chair with adjustable lumbar support.
Background
The office chair is various chairs which are convenient to work and are equipped in daily work and social activities, most of the common office chairs have the function of adjusting the height, most of the office chairs at present adopt a straight back type design or are directly used for fixing and placing lumbar pillows at the waist, the lumbar vertebra injury degree is different under the condition of long-time office work, and the lumbar pillows with fixed heights and the straight back type backrest can not provide comfortable use experience for office staff.
Accordingly, there is a need to provide a new office chair with adjustable lumbar support that addresses the above-described problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an office chair with adjustable lumbar support.
The present utility model provides an office chair with adjustable lumbar support comprising: the chair comprises a chair surface, wherein the chair surface is of an L-shaped structure, a through groove is formed in the surface of the vertical surface of the chair surface, an adjusting back plate is rotationally connected in the through groove, a group of supports are fixedly connected to the left side and the right side below the chair surface respectively, and an adjusting mechanism is arranged behind the vertical surface of the chair surface and is connected with the adjusting back plate and the supports respectively.
Preferably, the left side and the right side of the chair surface are respectively and fixedly connected with armrests, supporting legs are arranged below the chair surface, and the upper ends of the supporting legs are fixedly connected with the bottom of the chair surface.
Preferably, the adjusting mechanism comprises an adjusting rod, the adjusting rod is arranged between the two groups of brackets, two ends of the adjusting rod are respectively connected with the two groups of brackets in a rotating way, two opposite groups of threads are respectively carved at two ends of the surface of the adjusting rod, and an adjusting handle is fixedly connected in the middle of the adjusting rod.
Preferably, the adjusting rod is sleeved with two groups of adjusting sleeves, a supporting rod is arranged above the adjusting sleeves, and the lower end of the supporting rod is in rotary connection with the corresponding adjusting sleeve.
Preferably, the upper end of the supporting rod is in a sphere structure, a fixed clamping seat is arranged above the supporting rod and fixedly connected to the back surface of the adjusting back plate, and the upper end of the supporting rod is movably clamped on the fixed clamping seat.
Preferably, one surface of the adjusting backboard is of an arc-shaped structure, the other surface of the adjusting backboard is of a plane structure, and the lower ends of the two side surfaces of the adjusting backboard are rotatably connected with the inner wall of the through groove of the chair surface.
Compared with the related art, the office chair with the adjustable lumbar support provided by the utility model has the following functions
The beneficial effects are that:
through addding regulation backplate and adjustment mechanism, rotate on the seat and install arc regulation backplate, and adjust the backplate and pass through adjustment mechanism and leg joint, adjustment mechanism can drive and adjust the backplate and rotate to adjust the angle of backplate on the angle of seat, and then realize adjusting the distance between backplate and the user waist, change and adjust the backplate to the support angle and the supporting position of user waist, the convenience is adjusted the support of office chair to the user waist according to user's needs, effectively increases the travelling comfort and the application scope of office chair.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of an office chair with adjustable lumbar support according to the present utility model;
FIG. 2 is a schematic view of the back of the office chair of the present utility model with adjustable lumbar support;
fig. 3 is a schematic view illustrating the structural disassembly of the adjusting mechanism of the present utility model.
Reference numerals in the drawings: 1. a seat surface; 2. an armrest; 3. support legs; 4. a bracket; 5. adjusting the backboard; 6. an adjusting mechanism; 7. an adjusting rod; 8. an adjusting handle; 9. an adjustment sleeve; 10. a support rod; 11. and fixing the clamping seat.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, 2 and 3 in combination, fig. 1 is a schematic structural view of a preferred embodiment of an office chair with adjustable lumbar support according to the present utility model; FIG. 2 is a schematic view of the back of the office chair of the present utility model with adjustable lumbar support; fig. 3 is a schematic view illustrating the structural disassembly of the adjusting mechanism of the present utility model.
In the specific implementation process, as shown in fig. 1 and 2, the chair comprises a chair surface 1, the chair surface 1 is L-shaped structure, through grooves are formed in the surface of the vertical surface of the chair surface 1, an adjusting backboard 5 is rotationally connected to the through grooves, a group of supports 4 are fixedly connected to the left side and the right side of the lower portion of the chair surface 1 respectively, an adjusting mechanism 6 is arranged behind the vertical surface of the chair surface 1, the adjusting mechanism 6 is connected with the adjusting backboard 5 and the supports 4 respectively, armrests 2 are fixedly connected to the left side and the right side of the chair surface 1 respectively, supporting legs 3 are arranged below the chair surface 1, the upper ends of the supporting legs 3 are fixedly connected with the bottom of the chair surface 1, the adjusting mechanism 6 comprises adjusting rods 7, the adjusting rods 7 are arranged between the two groups of supports 4, two ends of the adjusting rods 7 are rotationally connected with the two groups of supports 4 respectively, two opposite threads are engraved at two ends of the surface of the adjusting rods 7 respectively, and an adjusting handle 8 is fixedly connected to the middle of the adjusting rods 7.
Referring to fig. 2 and 3, the adjusting handle 8 is in a flower-shaped structure, torque is easily applied to the adjusting rod 7 through the adjusting handle 8, the adjusting rod 7 is convenient to rotate, two groups of adjusting sleeves 9 are sleeved on the adjusting rod 7, supporting rods 10 are arranged above the adjusting sleeves 9, the lower ends of the supporting rods 10 are in rotary connection with the corresponding adjusting sleeves 9, the distances from the two groups of adjusting sleeves 9 to the centers of the adjusting rods 7 are equal, the two groups of adjusting sleeves 9 can be driven to synchronously and reversely move at equal intervals when the adjusting rods 7 rotate, the upper ends of the supporting rods 10 are in a ball structure, a fixing clamping seat 11 is arranged above the supporting rods 10, the fixing clamping seat 11 is fixedly connected to the back of the adjusting back plate 5, the upper ends of the supporting rods 10 are movably clamped on the fixing clamping seat 11, the two groups of fixing clamping seats 11 are fixed at the middle position above the adjusting back plate 5, the two groups of the supporting rods 10 are in a triangular structure and incline, one surface of the adjusting back plate 5 is in an arc structure, the other surface of the adjusting back plate 5 is in a plane structure, and the lower ends of two sides of the adjusting back plate 5 are in rotary connection with the inner walls of the through grooves of the chair surface 1.
The working principle provided by the utility model is as follows: when the chair is used, a user can drive the adjusting rod 7 to rotate through the adjusting handle 8, the adjusting rod 7 rotates to drive the two groups of adjusting sleeves 9 on the adjusting rod 7 to synchronously and reversely move at equal intervals, in the process that the two groups of adjusting sleeves 9 are close to each other, the adjusting backboard 5 is driven to rotate towards the inside of the chair surface 1 through the two groups of supporting rods 10, the user sits on the chair surface 1, the adjusting backboard 5 rotates towards the inside of the chair surface 1 and can be closer to the waist of the user, in a sitting state of the user, the adjusting backboard 5 can also support the waist of the user, and when the adjusting rod 7 rotates reversely, the adjusting backboard 5 rotates towards the outside of the chair surface 1, so that the user can conveniently lean backwards, and the adjusting backboard 5 supports the waist of the user.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. An office chair with adjustable lumbar support comprising: the chair surface (1), its characterized in that, chair surface (1) is L type structure, and logical groove has been seted up on chair surface (1) vertical surface, leads to inslot rotation and is connected with and adjusts backplate (5), and chair surface (1) below left and right sides fixedly connected with a set of support (4) respectively, and chair surface (1) vertical surface rear is equipped with adjustment mechanism (6), and adjustment mechanism (6) are connected with regulation backplate (5) and support (4) respectively.
2. The office chair with adjustable lumbar support according to claim 1, wherein the left side and the right side of the chair surface (1) are respectively fixedly connected with armrests (2), supporting legs (3) are arranged below the chair surface (1), and the upper ends of the supporting legs (3) are fixedly connected with the bottom of the chair surface (1).
3. The office chair with adjustable lumbar support according to claim 1, wherein the adjusting mechanism (6) comprises an adjusting rod (7), the adjusting rod (7) is arranged between the two groups of brackets (4), two ends of the adjusting rod (7) are respectively connected with the two groups of brackets (4) in a rotating way, two opposite groups of threads are respectively carved at two ends of the surface of the adjusting rod (7), and an adjusting handle (8) is fixedly connected in the middle of the adjusting rod (7).
4. An office chair with adjustable lumbar support according to claim 3, characterized in that the adjusting rod (7) is sleeved with two groups of adjusting sleeves (9), a supporting rod (10) is arranged above the adjusting sleeves (9), and the lower end of the supporting rod (10) is rotatably connected with the corresponding adjusting sleeve (9).
5. The office chair with adjustable lumbar support according to claim 4, wherein the upper end of the supporting rod (10) is in a ball structure, a fixed clamping seat (11) is arranged above the supporting rod (10), the fixed clamping seat (11) is fixedly connected to the back of the adjusting backboard (5), and the upper end of the supporting rod (10) is movably clamped on the fixed clamping seat (11).
6. The office chair with adjustable lumbar support according to claim 1, wherein one surface of the adjusting backboard (5) is in an arc-shaped structure, the other surface of the adjusting backboard (5) is in a plane structure, and the lower ends of two side surfaces of the adjusting backboard (5) are rotatably connected with the inner wall of the through groove of the chair surface (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237369.9U CN219556761U (en) | 2023-02-10 | 2023-02-10 | Office chair with adjustable lumbar support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237369.9U CN219556761U (en) | 2023-02-10 | 2023-02-10 | Office chair with adjustable lumbar support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219556761U true CN219556761U (en) | 2023-08-22 |
Family
ID=87662820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320237369.9U Active CN219556761U (en) | 2023-02-10 | 2023-02-10 | Office chair with adjustable lumbar support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219556761U (en) |
-
2023
- 2023-02-10 CN CN202320237369.9U patent/CN219556761U/en active Active
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