CN215226140U - Office chair with adjustable waist support - Google Patents
Office chair with adjustable waist support Download PDFInfo
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- CN215226140U CN215226140U CN202121345241.1U CN202121345241U CN215226140U CN 215226140 U CN215226140 U CN 215226140U CN 202121345241 U CN202121345241 U CN 202121345241U CN 215226140 U CN215226140 U CN 215226140U
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- Prior art keywords
- waist support
- screw rod
- waist
- support
- adjusting device
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- Expired - Fee Related
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- 239000004744 fabric Substances 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010053156 Musculoskeletal discomfort Diseases 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
An office chair with an adjustable waist support relates to the technical field of office supplies. The waist support adjusting device is arranged on the backrest, and the bottom of the seat board is connected with the base through the bracket; the waist holds in the palm adjusting device and includes that the waist holds in the palm, screw rod, knob, adjusting collar, guide rail bracket, the inboard connecting screw rod that the waist held in the palm, the right side of screw rod is equipped with the knob, is equipped with the adjusting collar on the screw rod, and guide rail bracket is connected in the outside of adjusting collar. After the technical scheme is adopted, the utility model discloses beneficial effect does: it can reciprocate the regulation according to different heights, size demand through waist support adjusting device, but also can be according to the position of sitting demand through front and back regulation lumbar support, improves application scope, and the audience crowd is wider.
Description
Technical Field
The utility model relates to an office supplies technical field, concretely relates to improvement of office chair of adjustable waist support.
Background
Office chairs play an increasingly important role in the office field, the comfort of the office chairs also becomes an important index for selecting office furniture, a key part influencing the comfort of the office chairs is the waist support position of the swivel chair, and office staff can easily cause back discomfort when keeping a sitting posture for a long time, so that the waist support capable of flexibly adjusting the position is a great choice for keeping a good sitting posture for the office staff. The vast majority of existing office chairs with waist supports can be adjusted front and back, but cannot be adjusted up and down, so that different consumer groups with different heights cannot be met, and the comfort level of the office chair is directly influenced.
China CN203692996U discloses an office chair with a liftable waist support, which is slidably mounted in left and right chutes of the waist support through two side wings of a waist support plate, so that a user can freely adjust the waist support up and down in the chute range according to the height and body shape requirements of the user, so that the waist support reaches a position most suitable for the user and is positioned, the comfort level of the office chair is improved, the use is convenient, and the operation is simple; the whole waist supporting plate traverses the left side and the right side of the plastic back frame, has larger area, and can support the waist of a human body powerfully, thereby further improving the comfort level of the office chair. But its waist holds in the palm to adjust need adjust the waist support through pulling out the pin, and it is comparatively complicated to operate, and its waist holds in the palm and can't the back-and-forth movement regulation moreover, and application scope is less.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an office chair that adjustable waist held in the palm, it holds in the palm adjusting device through the waist and can reciprocate the regulation according to different heights, size demand, but also can adjust the lumbar support through the front and back according to the position of sitting demand, improves application scope, and audience group is wider.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the waist support adjusting device comprises a seat plate 1, a hinge 2, a backrest 3, a waist support adjusting device 4, a bracket 5 and a base 6, wherein the seat plate 1 is connected with the backrest 3 through the hinge 2, the waist support adjusting device 4 is arranged on the backrest 3, and the bottom of the seat plate 1 is connected with the base 6 through the bracket 5; the waist support adjusting device 4 comprises a waist support 41, a screw rod 42, a knob 43, an adjusting sleeve 44 and a guide rail bracket 45, wherein the inner side of the waist support 41 is connected with the screw rod 42, the right side of the screw rod 42 is provided with the knob 43, the screw rod 42 is provided with the adjusting sleeve 44, and the outer side of the adjusting sleeve 44 is connected with the guide rail bracket 45;
the adjusting sleeve 44 comprises a cavity 441, a spring 442, a limiting plate 443 and a protrusion 444, the cavity 441 is arranged in the adjusting sleeve 44, the spring 442 is arranged in the cavity 441, the limiting plate 443 is connected to the outer side of the spring 442, and the protrusion 444 is fixed to the outer side of the limiting plate 443.
The waist support 41 comprises a frame 411 and an air permeable mesh fabric 412, and the air permeable mesh fabric 412 is arranged on the left side of the frame 411.
The guide rail bracket 45 is provided with a plurality of through holes 451. The through hole 451 is used to fit the protrusion 444 for fixation.
The side of the seat board 1 is provided with a handrail 7. The armrest 7 is convenient for supporting the lifting arm.
The top of the backrest 3 is provided with a headrest 8. The headrest 8 is used to support the head.
The utility model discloses a theory of operation: the chair is connected with a backrest 3 through a seat plate 1 through a hinge 2, a waist support adjusting device 4 is arranged on the backrest 3, and the bottom of the seat plate 1 is connected with a base 6 through a bracket 5; the waist support adjusting device 4 comprises a waist support 41, a screw 42, a knob 43, an adjusting sleeve 44 and a guide rail bracket 45, the inner side of the waist support 41 is connected with a screw rod 42, the right side of the screw rod 42 is provided with a knob 43, the screw rod 42 is provided with an adjusting sleeve 44, the outer side of the adjusting sleeve 44 is connected with a guide rail bracket 45, the adjusting sleeve 44 is internally provided with a cavity 441, the cavity 441 is internally provided with a spring 442, the outer side of the spring 442 is connected with a limiting plate 443, the outer side of the limiting plate 443 is fixed with a convex block 444, the inclination angle of the backrest 3 can be adjusted through a hinge 2, then, the user with different body heights presses the projection 444, so that the adjusting sleeve 44 is separated from the guide rail bracket 45, the height of the waist support 41 can be freely adjusted up and down, the screw rod 42 is driven to rotate by rotating the knob 43, the screw rod 42 is matched with the adjusting sleeve 44, the waist support 41 can move back and forth for adjustment, so that the application range is improved, and the audience population is wider.
After the technical scheme is adopted, the utility model discloses beneficial effect does: it can reciprocate the regulation according to different heights, size demand through waist support adjusting device, but also can be according to the position of sitting demand through front and back regulation lumbar support, improves application scope, and the audience crowd is wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the middle backrest 3 of the present invention.
Fig. 3 is a cross-sectional view a-a of fig. 2.
Fig. 4 is a schematic structural view of the middle waist support 41 of the present invention.
Fig. 5 is a schematic structural diagram of the middle rail bracket 45 of the present invention.
Description of reference numerals: seat board 1, hinge 2, backrest 3, lumbar support adjusting device 4, lumbar support 41, frame 411, breathable mesh cloth 412, screw rod 42, knob 43, adjusting sleeve 44, cavity 441, spring 442, limiting plate 443, protrusion 444, guide rail bracket 45, through hole 451, bracket 5, base 6, armrest 7 and headrest 8.
Detailed Description
Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: the waist support adjusting device comprises a seat plate 1, a hinge 2, a backrest 3, a waist support adjusting device 4, a support 5 and a base 6, wherein the seat plate 1 is connected with the backrest 3 through the hinge 2, the waist support adjusting device 4 is installed on the backrest 3, the waist support adjusting device 4 is used for adjusting a waist support 41, and the bottom of the seat plate 1 is connected with the base 6 through the support 5; the waist support adjusting device 4 comprises a waist support 41, a screw rod 42, a knob 43, an adjusting sleeve 44 and a guide rail bracket 45, wherein the screw rod 42 is connected to the inner side of the waist support 41, the screw rod 42 is used for being matched with the adjusting sleeve 44 to be capable of moving the waist support 41 back and forth, the knob 43 is arranged on the right side of the screw rod 42, the screw rod 42 is driven to rotate by the knob 43 conveniently, the adjusting sleeve 44 is arranged on the screw rod 42, the guide rail bracket 45 is connected to the outer side of the adjusting sleeve 44, and the guide rail bracket 45 plays a guiding role;
the adjusting sleeve 44 comprises a cavity 441, a spring 442, a limiting plate 443 and a protrusion 444, the cavity 441 is arranged in the adjusting sleeve 44, the spring 442 is arranged in the cavity 441, the limiting plate 443 is connected to the outer side of the spring 442, and the protrusion 444 is fixed to the outer side of the limiting plate 443.
The waist support 41 comprises a frame 411 and an air permeable mesh fabric 412, and the air permeable mesh fabric 412 is arranged on the left side of the frame 411.
The guide rail bracket 45 is provided with a plurality of through holes 451. The through hole 451 is used to fit the protrusion 444 for fixation.
The side of the seat board 1 is provided with a handrail 7. The armrest 7 is convenient for supporting the lifting arm.
The top of the backrest 3 is provided with a headrest 8. The headrest 8 is used to support the head.
The utility model discloses a theory of operation: the chair is connected with a backrest 3 through a seat plate 1 through a hinge 2, a waist support adjusting device 4 is arranged on the backrest 3, and the bottom of the seat plate 1 is connected with a base 6 through a bracket 5; the waist support adjusting device 4 comprises a waist support 41, a screw 42, a knob 43, an adjusting sleeve 44 and a guide rail bracket 45, the inner side of the waist support 41 is connected with a screw rod 42, the right side of the screw rod 42 is provided with a knob 43, the screw rod 42 is provided with an adjusting sleeve 44, the outer side of the adjusting sleeve 44 is connected with a guide rail bracket 45, the adjusting sleeve 44 is internally provided with a cavity 441, the cavity 441 is internally provided with a spring 442, the outer side of the spring 442 is connected with a limiting plate 443, the outer side of the limiting plate 443 is fixed with a convex block 444, the inclination angle of the backrest 3 can be adjusted through a hinge 2, then, the user with different body heights presses the projection 444, so that the adjusting sleeve 44 is separated from the guide rail bracket 45, the height of the waist support 41 can be freely adjusted up and down, the screw rod 42 is driven to rotate by rotating the knob 43, the screw rod 42 is matched with the adjusting sleeve 44, the waist support 41 can move back and forth for adjustment, so that the application range is improved, and the audience population is wider.
After the technical scheme is adopted, the utility model discloses beneficial effect does: it can reciprocate the regulation according to different heights, size demand through waist support adjusting device, but also can be according to the position of sitting demand through front and back regulation lumbar support, improves application scope, and the audience crowd is wider.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides an office chair of adjustable waist support which characterized in that: the waist support adjusting device comprises a seat plate (1), a hinge (2), a backrest (3), a waist support adjusting device (4), a support (5) and a base (6), wherein the seat plate (1) is connected with the backrest (3) through the hinge (2), the waist support adjusting device (4) is installed on the backrest (3), and the bottom of the seat plate (1) is connected with the base (6) through the support (5); the waist support adjusting device (4) comprises a waist support (41), a screw rod (42), a knob (43), an adjusting sleeve (44) and a guide rail support (45), the inner side of the waist support (41) is connected with the screw rod (42), the knob (43) is arranged on the right side of the screw rod (42), the adjusting sleeve (44) is arranged on the screw rod (42), and the outer side of the adjusting sleeve (44) is connected with the guide rail support (45);
the adjusting sleeve (44) comprises a cavity (441), a spring (442), a limiting plate (443) and a convex block (444), the cavity (441) is arranged in the adjusting sleeve (44), the spring (442) is arranged in the cavity (441), the limiting plate (443) is connected to the outer side of the spring (442), and the convex block (444) is fixed to the outer side of the limiting plate (443).
2. An office chair with adjustable waist support as claimed in claim 1, wherein: the waist support (41) comprises a frame (411) and breathable mesh cloth (412), and the breathable mesh cloth (412) is arranged on the left side of the frame (411).
3. An office chair with adjustable waist support as claimed in claim 1, wherein: the guide rail bracket (45) is provided with a plurality of through holes (451).
4. An office chair with adjustable waist support as claimed in claim 1, wherein: the side of the seat board (1) is provided with a handrail (7).
5. An office chair with adjustable waist support as claimed in claim 1, wherein: the top of the backrest (3) is provided with a headrest (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121345241.1U CN215226140U (en) | 2021-06-17 | 2021-06-17 | Office chair with adjustable waist support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121345241.1U CN215226140U (en) | 2021-06-17 | 2021-06-17 | Office chair with adjustable waist support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215226140U true CN215226140U (en) | 2021-12-21 |
Family
ID=79480462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121345241.1U Expired - Fee Related CN215226140U (en) | 2021-06-17 | 2021-06-17 | Office chair with adjustable waist support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215226140U (en) |
-
2021
- 2021-06-17 CN CN202121345241.1U patent/CN215226140U/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: 20211221 |