CN213786352U - Chair with adjustable height - Google Patents
Chair with adjustable height Download PDFInfo
- Publication number
- CN213786352U CN213786352U CN202022140828.0U CN202022140828U CN213786352U CN 213786352 U CN213786352 U CN 213786352U CN 202022140828 U CN202022140828 U CN 202022140828U CN 213786352 U CN213786352 U CN 213786352U
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- China
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- lifting rod
- sleeve
- adjustable chair
- extension part
- chair
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Abstract
The utility model belongs to the technical field of furniture, concretely relates to chair with adjustable height, including the bedplate, still include: the extension part is arranged at the bottom of the seat plate and extends downwards, and a plurality of support legs which float up and down along the extension part are annularly arranged on the outer side of the extension part; a support plate is arranged in the center of the support leg, a sleeve is arranged on the support plate, and a lifting rod is sleeved in the upper end of the sleeve; one end of the lifting rod is movably connected with the sleeve, and the other end of the lifting rod is connected with the seat board. The utility model discloses height-adjustable chair, its height control is convenient, and the stability of chair is good, improves the safety in utilization.
Description
Technical Field
The utility model relates to the technical field of furniture, concretely relates to chair with adjustable height.
Background
The chair with adjustable height can be seen everywhere in modern furniture, and meets the use requirements of people with different heights so as to achieve the most comfortable use effect.
In the current market, the relative position between the supporting legs and the seat plate is mainly changed for the height-adjustable chair, but various adjusting structures are mainly made on the supporting legs, and the height-adjustable chair has poor use stability and is easy to incline, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a height-adjustable chair to improve height-adjustable chair's stability in use, increase the security.
In order to solve the technical problem, the utility model provides a height-adjustable chair, which comprises a seat board and an extension part arranged at the bottom of the seat board and extending downwards, wherein a plurality of support legs floating up and down along the extension part are annularly arranged outside the extension part;
a support plate is arranged in the center of the support leg, a sleeve is arranged on the support plate, and a lifting rod is sleeved in the upper end of the sleeve;
one end of the lifting rod is movably connected with the sleeve, and the other end of the lifting rod is connected with the seat board.
And the outer wall of the sleeve is provided with a positioning pin for locking the lifting rod.
Wherein, be provided with a plurality of regulation hole on the lifter.
Wherein the extension is an annular tubular structure.
Wherein the extension is a square tubular structure.
Wherein, the landing leg passes through elastic expansion piece and forms floating connection with the bedplate bottom.
Wherein, the outer wall of the extension part is provided with a groove for floating the support leg;
the elastic expansion piece is embedded in the groove;
the supporting legs are provided with sliding blocks which are embedded into the grooves and slide up and down along the grooves.
The sliding blocks are arranged at the tops of the supporting legs, and the bottom of each sliding block and the bottom of the seat plate are provided with fixing shafts extending into the elastic telescopic pieces.
Wherein, the elastic expansion piece is a pressure spring.
The utility model has the advantages that;
1. the seat board position is adjusted by adjusting the mounting position of the lifting rod in the sleeve, so that the height of the chair is changed, and the chair is simple and convenient to adjust by a mechanical structure and low in cost;
2. when the seat board is adjusted, the floating support legs support the seat board, so that the stability of the chair is improved, and the chair is safe and reliable to use.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front view of the present invention;
FIG. 2 is a perspective view of a floating leg;
fig. 3 is a schematic view of a connection structure of the sleeve and the lifting rod.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-3, the present embodiment 1 provides a height-adjustable chair, which includes a seat plate 1 and an extension portion 2 disposed at the bottom of the seat plate 1 and extending downward, wherein a plurality of support legs 3 floating up and down along the extension portion 2 are annularly disposed at the outer side of the extension portion 2, and the floating support legs 3 can meet the requirement of adjusting the height of the seat plate 1, and can form a support, thereby improving the stability of the chair.
A supporting plate 4 is arranged in the center of the supporting leg 3, a sleeve 5 is arranged on the supporting plate 4, and a lifting rod 6 is sleeved in the upper end of the sleeve 5; 6 one end of lifter and sleeve 5 swing joint, one end is connected with bedplate 1 in addition, and lifter 6 can reciprocate in sleeve 5 to drive bedplate 1 and reciprocate, accomplish the altitude mixture control of bedplate 1.
Further, the outer wall of sleeve 5 is provided with locating pin 7 that locks lifter 6, is convenient for lock spacing lifter 6 after putting in place to adjusting.
Further, a plurality of adjusting holes 61 are formed in the lifting rod 6, so that a plurality of high-low position adjustment is met.
Further, the extension 2 is an annular tubular structure.
Further, the extension 2 is a square tubular structure.
Further, landing leg 3 forms the connection of floating through elastic expansion piece 8 and bedplate 1 bottom, satisfies the demand of bedplate 1 position change to form a plurality of landing legs 3 at every moment and support, prevent that the seat from turning on one's side, improve safety in utilization.
Further, the outer wall of the extension part 2 is provided with a groove 21 for floating the support leg 3; the elastic expansion piece 8 is embedded in the groove 21, so that the elastic expansion piece 8 is prevented from inclining when being expanded and contracted, the supporting legs 3 are ensured to be vertical to the ground all the time, and the stability is enhanced;
the leg 3 is provided with a slider 31 which is fitted into the groove 21 and slides up and down along the groove 21.
Further, the sliding block 31 is arranged at the top of the supporting leg 3, and the sliding block 31 and the bottom of the seat plate 1 are both provided with the fixed shaft 9 extending into the elastic telescopic piece 5, so that the connection reliability of the elastic telescopic piece 3 is improved.
Further, the elastic expansion piece 9 is a compression spring.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A height-adjustable chair comprising a seat plate, characterized by further comprising:
the extension part is arranged at the bottom of the seat plate and extends downwards, and a plurality of support legs which float up and down along the extension part are annularly arranged on the outer side of the extension part;
a support plate is arranged in the center of the support leg, a sleeve is arranged on the support plate, and a lifting rod is sleeved in the upper end of the sleeve;
one end of the lifting rod is movably connected with the sleeve, and the other end of the lifting rod is connected with the seat plate;
the outer wall of the sleeve is provided with a positioning pin for locking the lifting rod;
a plurality of adjusting holes are formed in the lifting rod.
2. Height adjustable chair according to claim 1,
the extension is an annular tubular structure.
3. Height adjustable chair according to claim 1,
the extension is a square tubular structure.
4. Height adjustable chair according to claim 1,
the supporting legs are in floating connection with the bottom of the seat plate through elastic telescopic pieces.
5. Height adjustable chair according to claim 4,
the outer wall of the extension part is provided with a groove for floating the support leg;
the elastic expansion piece is embedded in the groove;
the supporting legs are provided with sliding blocks which are embedded into the grooves and slide up and down along the grooves.
6. Height adjustable chair according to claim 5,
the slider sets up at the top of landing leg to the bottom of slider and bedplate all is provided with the fixed axle that extends to in the elastic expansion piece.
7. Height adjustable chair according to claim 4,
the elastic expansion piece is a pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022140828.0U CN213786352U (en) | 2020-09-26 | 2020-09-26 | Chair with adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022140828.0U CN213786352U (en) | 2020-09-26 | 2020-09-26 | Chair with adjustable height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213786352U true CN213786352U (en) | 2021-07-27 |
Family
ID=76955496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022140828.0U Active CN213786352U (en) | 2020-09-26 | 2020-09-26 | Chair with adjustable height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213786352U (en) |
-
2020
- 2020-09-26 CN CN202022140828.0U patent/CN213786352U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |