CN212591172U - Chair with adjustable backrest width - Google Patents
Chair with adjustable backrest width Download PDFInfo
- Publication number
- CN212591172U CN212591172U CN202020838323.9U CN202020838323U CN212591172U CN 212591172 U CN212591172 U CN 212591172U CN 202020838323 U CN202020838323 U CN 202020838323U CN 212591172 U CN212591172 U CN 212591172U
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- CN
- China
- Prior art keywords
- frame
- hinged
- backrest
- end parts
- diamond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910003460 diamond Inorganic materials 0.000 claims description 24
- 239000010432 diamond Substances 0.000 claims description 24
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 abstract description 9
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model provides a chair with adjustable backrest width, which comprises chair legs, a cushion support, a cushion and a backrest; wherein, the upper ends of all the chair legs support a cushion support together, and the cushion is arranged on the cushion support; the edge of the cushion support is provided with a backrest setting frame, and the backrest comprises rhombic frames which are all in a rhombic shape and have the same size; the end parts of two adjacent edges at the lower part of the first rhombic frame are hinged and arranged on the backrest setting frame through a first mounting frame, the end parts of two adjacent edges at the lower part of the second rhombic frame are hinged and arranged on the backrest setting frame through a second mounting frame, and the end parts of two adjacent edges at the lower part of the third rhombic frame are hinged and arranged on the backrest setting frame through a third mounting frame; each hinge plate is provided with a backrest piece. The utility model provides a pair of chair of adjustable back width fixes the back piece through setting up the rhombus frame, and stretch about the whole back through upper and lower flexible realization of rhombus frame to carry out the width modulation of back.
Description
Technical Field
The utility model relates to a furniture production facility field, more specifically the chair of adjustable back width that says so relates to.
Background
The height of some backrests of the existing commercially available chairs is adjustable, but the width of the backrests is not adjustable, so that the chairs cannot be suitable for users with different body types.
Disclosure of Invention
To overcome the drawbacks of the prior art, the present invention provides a chair with adjustable backrest width, which solves one or more of the above technical problems.
According to one aspect of the utility model, a chair with adjustable backrest width is provided, which comprises chair legs, a cushion support, a cushion and a backrest; the number of the chair legs is three or more, the upper ends of all the chair legs support the cushion support together, and the cushion is arranged on the cushion support; a backrest setting frame is arranged at the edge of the cushion support, and the backrest comprises a first diamond-shaped frame, a second diamond-shaped frame and a third diamond-shaped frame which are all in a diamond shape and have the same size; the first rhombus frame and the third rhombus frame are respectively positioned at two sides of the second rhombus frame; the joints of the end parts of two adjacent edges on the upper part of the first diamond frame are hinged to a hinged disc, and the joints of two adjacent edges on the left side are hinged to a hinged disc; two adjacent edge end parts on the right side of the first diamond frame are hinged, two adjacent edge end parts on the left side of the second diamond frame are also hinged with each other, and the two adjacent edge end parts are hinged with the same hinge disc; two adjacent edge end parts on the right side of the second diamond frame are hinged, two adjacent edge end parts on the left side of the third diamond frame are hinged, and the two adjacent edge end parts are hinged to the same hinge disc; the end parts of two adjacent edges at the upper part of the second rhombic frame are hinged with a hinged disc; the end parts of two adjacent edges of the upper part of the third rhombus frame are hinged with a hinged disk; the end parts of two adjacent edges at the lower part of the first rhombic frame are hinged and arranged on the backrest setting frame through a first mounting frame, the end parts of two adjacent edges at the lower part of the second rhombic frame are hinged and arranged on the backrest setting frame through a second mounting frame, and the end parts of two adjacent edges at the lower part of the third rhombic frame are hinged and arranged on the backrest setting frame through a third mounting frame; each of the hinged disks is provided with a backrest piece.
In some embodiments, the backrest setting frame comprises a movable cross beam, and the movable cross beam is provided with a horizontal sliding groove along the axial direction of the movable cross beam; a first sliding block, a second sliding block and a third sliding block which are matched with the sliding groove are arranged in the sliding groove; the first mounting frame is arranged on the first sliding block, the second mounting frame is arranged on the second sliding block, and the third mounting frame is arranged on the third sliding block.
In some embodiments, the backrest setting frame further comprises a fixed cross beam and a lifting column, the fixed cross beam is positioned below the moving cross beam, and the fixed cross beam and the moving cross beam are parallel; the lifting column is telescopic in length and perpendicular to the fixed cross beam, one end of the lifting column is fixed to the movable cross beam, and the other end of the lifting column is fixed to the fixed cross beam.
The utility model provides a pair of chair of adjustable back width fixes the back piece through setting up the rhombus frame, and stretch about the whole back through upper and lower flexible realization of rhombus frame to carry out the width modulation of back.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Referring to fig. 1, a chair with adjustable backrest width includes legs 10, a seat support 20, a seat 21 and a backrest; the number of the chair legs 10 is three or more, the upper ends of all the chair legs 10 support the cushion support 20 together, and the cushion 21 is arranged on the cushion support 20; a backrest setting frame 30 is arranged at the edge of the cushion support 20, and the backrest comprises a first diamond-shaped frame 41, a second diamond-shaped frame 42 and a third diamond-shaped frame 43 which are all in a diamond shape and have the same size; the first diamond 41 and the third diamond 43 are respectively located at two sides of the second diamond 42; the joints of the end parts of two adjacent edges at the upper part of the first diamond frame 41 are hinged to a hinge plate 60, and the joints of two adjacent edges at the left side are hinged to a hinge plate 60; two adjacent edge end parts on the right side of the first diamond frame 41 are hinged, two adjacent edge end parts on the left side of the second diamond frame 42 are also hinged with each other, and the two adjacent edge end parts are hinged with the same hinge disc 60; two adjacent edge end parts on the right side of the second diamond frame 42 are hinged, two adjacent edge end parts on the left side of the third diamond frame 43 are hinged, and the two adjacent edge end parts are hinged on the same hinge disc 60; two adjacent edge end parts of the upper part of the second rhombus frame 42 are hinged with a hinge plate 60; two adjacent side end parts of the upper part of the third diamond frame 43 are hinged with a hinge disc 60; two adjacent side end portions of the lower portion of the first diamond frame 41 are hinged and are arranged on the backrest setting frame 30 through a first mounting frame 411, two adjacent side end portions of the lower portion of the second diamond frame 42 are hinged and are arranged on the backrest setting frame 30 through a second mounting frame 421, and two adjacent side end portions of the lower portion of the third diamond frame 43 are hinged and are arranged on the backrest setting frame 30 through a third mounting frame 431; each of the hinge plates 60 is mounted with a back rest piece 50.
The backrest setting frame 30 comprises a movable cross beam 33, and a horizontal sliding groove is formed in the movable cross beam 33 along the axial direction of the movable cross beam; a first sliding block 341, a second sliding block 342 and a third sliding block 343 which are matched with the sliding grooves are arranged in the sliding grooves; the first mounting bracket 411 is disposed on the first sliding block 341, the second mounting bracket 421 is disposed on the second sliding block 342, and the third mounting bracket 431 is disposed on the third sliding block 343.
The backrest setting frame 30 further comprises a fixed cross beam 31 and a lifting column 32, wherein the fixed cross beam 31 is positioned below the movable cross beam 33 and is parallel to the movable cross beam 33; the lifting column 32 is telescopic and perpendicular to the fixed beam 31, and one end of the lifting column is fixed to the movable beam 33, and the other end of the lifting column is fixed to the fixed beam 31.
The utility model provides a pair of chair of adjustable back width fixes back piece 50 through setting up the rhombus frame, realizes through the upper and lower flexible of rhombus frame that the left and right sides of whole back is tensile to carry out the width control of back.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (3)
1. A chair with adjustable backrest width is characterized by comprising chair legs (10), a cushion support (20), a cushion (21) and a backrest; wherein,
the number of the chair legs (10) is three or more, the upper ends of all the chair legs (10) support the cushion support (20) together, and the cushion (21) is arranged on the cushion support (20);
a backrest setting frame (30) is arranged at the edge of the cushion support (20), and the backrest comprises a first diamond-shaped frame (41), a second diamond-shaped frame (42) and a third diamond-shaped frame (43) which are all diamond-shaped and have the same size; the first rhombus frame (41) and the third rhombus frame (43) are respectively positioned at two sides of the second rhombus frame (42); the joints of the end parts of two adjacent edges at the upper part of the first diamond frame (41) are hinged to a hinged disk (60), and the joints of two adjacent edges at the left side are hinged to a hinged disk (60); two adjacent edge end parts on the right side of the first diamond frame (41) are hinged, two adjacent edge end parts on the left side of the second diamond frame (42) are also hinged with each other, and the two adjacent edge end parts are hinged with the same hinge disc (60); two adjacent edge end parts on the right side of the second diamond frame (42) are hinged, two adjacent edge end parts on the left side of the third diamond frame (43) are hinged, and the two adjacent edge end parts are hinged to the same hinge disc (60); two adjacent side end parts of the upper part of the second rhombus frame (42) are hinged with a hinged disk (60); two adjacent side end parts of the upper part of the third rhombus frame (43) are hinged with a hinged disk (60);
two adjacent side end parts at the lower part of the first rhombus frame (41) are hinged and are arranged on the backrest setting frame (30) through a first mounting frame (411), two adjacent side end parts at the lower part of the second rhombus frame (42) are hinged and are arranged on the backrest setting frame (30) through a second mounting frame (421), two adjacent side end parts at the lower part of the third rhombus frame (43) are hinged and are arranged on the backrest setting frame (30) through a third mounting frame (431);
each hinge plate (60) is provided with a backrest piece (50).
2. The chair with the adjustable backrest width as claimed in claim 1, wherein the backrest setting frame (30) comprises a movable beam (33), and the movable beam (33) is provided with a horizontal sliding groove along the axial direction thereof; a first sliding block (341), a second sliding block (342) and a third sliding block (343) which are matched with the sliding grooves are arranged in the sliding grooves; the first mounting frame (411) is arranged on the first sliding block (341), the second mounting frame (421) is arranged on the second sliding block (342), and the third mounting frame (431) is arranged on the third sliding block (343).
3. The chair with adjustable backrest width as claimed in claim 2, wherein the backrest setting frame (30) further comprises a fixed beam (31) and a lifting column (32), the fixed beam (31) is located below the moving beam (33) and is parallel to each other; the lifting column (32) is telescopic in length and perpendicular to the fixed cross beam (31), one end of the lifting column is fixed to the movable cross beam (33), and the other end of the lifting column is fixed to the fixed cross beam (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838323.9U CN212591172U (en) | 2020-05-19 | 2020-05-19 | Chair with adjustable backrest width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838323.9U CN212591172U (en) | 2020-05-19 | 2020-05-19 | Chair with adjustable backrest width |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212591172U true CN212591172U (en) | 2021-02-26 |
Family
ID=74724088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020838323.9U Expired - Fee Related CN212591172U (en) | 2020-05-19 | 2020-05-19 | Chair with adjustable backrest width |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212591172U (en) |
-
2020
- 2020-05-19 CN CN202020838323.9U patent/CN212591172U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |