CN214711592U - High-toughness rotary lifting type swivel chair chassis - Google Patents
High-toughness rotary lifting type swivel chair chassis Download PDFInfo
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- CN214711592U CN214711592U CN202120790775.9U CN202120790775U CN214711592U CN 214711592 U CN214711592 U CN 214711592U CN 202120790775 U CN202120790775 U CN 202120790775U CN 214711592 U CN214711592 U CN 214711592U
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Abstract
The utility model provides a high-toughness rotary lifting type revolving chair chassis, which comprises a chair seat mounting disc, wherein a first cavity, a second cavity and a third cavity which are communicated with each other are sequentially arranged in the chair seat mounting disc from top to bottom, the third cavity is arranged at the bottom of the chair seat mounting disc and communicated with the outside, a screw mounting block is arranged in the chair seat mounting disc, the bottom of the screw mounting block is provided with a threaded hole for mounting a screw, the top of the screw mounting block is fixed with a rotating column, the rotary column is connected with the first cavity in a rotating mode, the screw mounting block is connected with the third cavity in a sliding mode, a sealing plate used for preventing the screw mounting block from sliding out of the third cavity is arranged at the bottom of the seat mounting disc, a fixing device used for fixing the screw mounting block and the seat mounting disc is further arranged on the seat mounting disc, and the rotary chair chassis is made of a plastic PV material and has the advantages of being corrosion resistant and wear resistant.
Description
Technical Field
The utility model relates to the field of furniture design, in particular to high-toughness rotary lifting type swivel chair chassis.
Background
The swivel chair is comparatively common household articles among the daily life, and the swivel chair has mechanical swivel chair and gas pole swivel chair, because gas pole swivel chair cost is high and have hidden danger such as explosion, therefore mechanical swivel chair receives ordinary family's favor more.
The mechanical swivel chair drives the chair seat to ascend and descend through the rotation of the screw rod to realize the ascending and descending function of the swivel chair, but when a user sits on the mechanical swivel chair to rotate the cushion in the using process, the height of the cushion can be changed along with the rotating amplitude, and the user feels uncomfortable.
This problem can be solved by fixing the adjusted screw and the seat cushion, but the chair is lack of rotation function.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a rotatory over-and-under type swivel chair chassis of high tenacity through the position of adjusting screw installation piece, forms the state that screw installation piece and second cavity do not restrict respectively and the state that screw rod and third cavity were restricted and lets the chair can realize that the screw rod goes up and down, possesses the pivoted function again.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a high-toughness rotary lifting type swivel chair chassis comprises a chair seat mounting disc, wherein a cylindrical first cavity, a cylindrical second cavity and a cubic third cavity are sequentially arranged in the chair seat mounting disc from top to top, the cylindrical first cavity, the cylindrical second cavity and the cubic third cavity are communicated, the third cavity is arranged at the bottom of the chair seat mounting disc and is communicated with the outside, a screw rod mounting block is arranged in the chair seat mounting disc, a threaded hole for mounting a screw rod is formed in the bottom of the screw rod mounting block, a rotating column is fixed at the top of the screw rod mounting block and is rotatably connected with the first cavity, the screw rod mounting block and the third cavity are in a cubic shape with equal side length, the screw rod mounting block is slidably connected with the third cavity, the diameter of the cross section of a cylinder of the second cavity is larger than the diagonal length of the cross section of the screw rod mounting block, a sealing plate for preventing the screw rod mounting block from sliding out of the third cavity is arranged at the bottom of the chair seat mounting disc, the chair seat mounting disc is also provided with a fixing device for fixing the screw rod mounting block and the chair seat mounting disc.
When the rotation post rotates to be connected in first cavity, screw rod installation piece is placed in the second cavity, and the diameter of the cylinder cross section of second cavity is greater than the square diagonal length of screw rod installation piece cross section, screw rod installation piece can rotate at will in the second cavity, and is relative, fixes and also can rotate thereupon at the cushion of seat support mounting disc, has realized the rotation function of chair. When the chair height needs to be adjusted, the cushion is lifted to lift the chair seat mounting disc, the screw rod mounting blocks slide downwards relatively to the third cavity, the screw rod mounting blocks are limited by the third cavity and cannot rotate any more, the cushion is rotated to drive the rotation of the chair seat mounting disc, and the screw rod mounting blocks can be driven to rotate, so that the lifting function of the screw rod is realized.
Further, fixing device includes the slide bar of sliding connection on the seat support mounting disc, slide bar one end is fixed with the handle, and the slide bar other end is fixed with the fixed block, all be equipped with the fixed slot that is used for holding the fixed block on four sides of screw rod installation piece.
Lift on the seat support mounting disc, when the relative lapse of screw rod installation piece, in order to prevent that the seat support mounting disc from falling down again when rotating, fix seat support mounting disc and the screw rod installation piece in the third cavity through fixing device, promote the handle, the slide bar slides inwards, promotes the fixed block and gets into the fixed slot in, the fixed block blocks the screw rod installation piece, fixes the screw rod installation piece, prevents that the seat support mounting disc from falling.
Furthermore, a fourth cavity is arranged on the upper side of the seat mounting plate.
The fourth cavity is arranged on the chair seat mounting disc, so that the weight of the chair seat mounting disc is reduced, and the whole chair is prevented from being too heavy.
Further, the seat support mounting disc is formed by assembling two identical half discs, the two half discs are provided with connecting plates, and the half discs are fixed through first bolts and first nuts arranged on the connecting plates.
Constitute the seat support mounting disc through two half dishes and conveniently fix the installation of parts such as screw rod installation piece, fixing device in the seat support mounting disc through first bolt and first nut between the half dish, conveniently dismantle and install the swivel chair chassis.
Furthermore, the butt joint column and the butt joint groove are respectively fixed on the two sides of the second cavity on the butt joint surface of the half disc.
The butt joint post of a half dish inserts the butt joint inslot on another half dish, and the butt joint post on another half dish inserts on this half interior butt joint groove of dish, accomplishes the butt joint, conveniently connects the installation to two half dishes.
Furthermore, the closing plate is a plate with an outer circle and an inner square, and the closing plate is fixed at the bottom of the chair seat mounting disc through a plurality of second bolts.
The closing plate plays the result that prevents that screw rod installation piece from deviating from in the third cavity, and inside the closing plate excircle simultaneously, the installation of screw rod can not influenced in inside square hole, and the closing plate passes through the second bolt fastening in seat support mounting disc bottom, convenient dismantlement and installation.
Furthermore, the chair seat mounting plate is provided with a plurality of connecting holes for connecting the chair.
The connecting hole is used for installing a cushion or a seat.
To sum up, the utility model discloses following beneficial effect has: the position of the screw mounting block is adjusted to respectively form a state that the screw mounting block and the second cavity are not limited and a state that the screw and the third cavity are limited, so that the chair can realize the lifting of the screw and has a rotating function.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic structural view of a half disc;
fig. 3 is a sectional view of the embodiment.
Reference numerals: 1. a seat mounting plate; 1A, half disc; 2. a closing plate; 3. a fixing device; 31. a handle; 32. a slide bar; 33. a fixed block; 4. connecting holes; 5. a first bolt; 6. a first nut; 7. a second bolt; 8. a threaded hole; 9. a connecting plate; 10. a screw mounting block; 11. rotating the column; 12. fixing grooves; 13. butting columns; 14. a butt joint groove; 15. a first cavity; 16. a second cavity; 17. a third cavity; 18. a fourth cavity.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b): a high-toughness rotary lifting type swivel chair chassis comprises a chair seat mounting plate 1, wherein a plurality of connecting holes 4 used for connecting a chair are formed in the chair seat mounting plate 1.
The chair seat mounting disc 1 is internally provided with a first cylindrical cavity 15, a second cylindrical cavity 16 and a third cubic cavity 17 which are communicated with each other from top to top in sequence, the third cavity 17 is arranged at the bottom of the chair seat mounting disc 1 and communicated with the outside, and the upper side of the chair seat mounting disc 1 is provided with a fourth cavity 18.
A screw rod mounting block 10 is arranged in the seat mounting disc 1, a threaded hole 8 for mounting a screw rod is formed in the bottom of the screw rod mounting block 10, a rotating column 11 is fixed to the top of the screw rod mounting block 10, and the rotating column 11 is rotatably connected with the first cavity 15.
The screw mounting block 10 and the third cavity 17 are cube-shaped with equal side length, the screw mounting block 10 is connected with the third cavity 17 in a sliding mode, and the diameter of the cylindrical cross section of the second cavity 16 is larger than the length of the square diagonal of the cross section of the screw mounting block 10.
The bottom of the seat mounting disc 1 is provided with a closing plate 2 used for preventing the screw mounting block 10 from sliding out of the third cavity 17, the closing plate 2 is a plate with an outer circle and an inner square, and the closing plate 2 is fixed at the bottom of the seat mounting disc 1 through a plurality of second bolts 7.
The seat mounting plate 1 is also provided with a fixing device 3 for fixing the screw mounting block 10 and the seat mounting plate 1.
Fixing device 3 includes sliding rod 32 of sliding connection on seat support mounting disc 1, and sliding rod 32 one end is fixed with handle 31, and the sliding rod 32 other end is fixed with fixed block 33, all is equipped with the fixed slot 12 that is used for holding fixed block 33 on four sides of screw rod installation piece 10.
Seat support mounting disc 1 is formed by the assembly of two the same half 1A of dishes, all is equipped with connecting plate 9 on two half 1A of dishes, and half 1A of dishes is fixed through setting up first bolt 5 and first nut 6 on connecting plate 9.
The butt-joint column 13 and the butt-joint groove 14 are respectively fixed on the butt-joint surface of the half disc 1A and positioned on two sides of the second cavity 16.
The working process is as follows: when the rotating column 11 is rotatably connected in the first cavity 15, the screw mounting block 10 is placed in the second cavity 16, the diameter of the cylindrical cross section of the second cavity 16 is larger than the length of the square diagonal line of the cross section of the screw mounting block 10, the screw mounting block 10 can freely rotate in the second cavity 16, and the opposite cushion fixed on the seat mounting plate 1 can also rotate along with the screw mounting block, so that the rotating function of the chair is realized.
When the chair height needs to be adjusted, the cushion is lifted to lift the chair seat mounting disc 1, the screw mounting blocks 10 slide downwards relatively to the third cavity 17, the screw mounting blocks 10 are limited by the third cavity 17 and cannot rotate any more, and the cushion is rotated to drive the rotation of the chair seat mounting disc 1, so that the screw mounting blocks 10 can be driven to rotate, and the function of lifting the screw is realized.
Claims (7)
1. The utility model provides a rotatory over-and-under type swivel chair chassis of high tenacity which characterized in that: comprises a seat mounting disc (1), a first cylindrical cavity (15), a second cylindrical cavity (16) and a third cubic cavity (17) which are communicated with each other are sequentially arranged from top to bottom in the seat mounting disc (1), the third cavity (17) is arranged at the bottom of the seat mounting disc (1) and communicated with the outside, a screw mounting block (10) is arranged in the seat mounting disc (1), a threaded hole (8) for mounting a screw is arranged at the bottom of the screw mounting block (10), a rotating column (11) is fixed at the top of the screw mounting block (10), the rotating column (11) is rotatably connected with the first cavity (15), the screw mounting block (10) and the third cavity (17) are in a cubic shape with an equilateral length, the screw mounting block (10) is slidably connected with the third cavity (17), the diameter of the cylindrical cross section of the second cavity (16) is larger than the diagonal of the square of the cross section of the screw mounting block (10), the seat support mounting disc (1) bottom is provided with and is used for preventing screw rod installation piece (10) roll-off third cavity (17) closing plate (2), still sets up fixing device (3) that are used for fixed screw rod installation piece (10) and seat support mounting disc (1) on seat support mounting disc (1).
2. The high toughness rotary elevating swivel chair chassis of claim 1, wherein: fixing device (3) are including sliding rod (32) of sliding connection on seat support mounting disc (1), sliding rod (32) one end is fixed with handle (31), and sliding rod (32) other end is fixed with fixed block (33), all be equipped with fixed slot (12) that are used for holding fixed block (33) on four sides of screw rod installation piece (10).
3. The high toughness rotary elevating swivel chair chassis of claim 1, wherein: a fourth cavity (18) is arranged on the upper side of the seat mounting plate (1).
4. The high toughness rotary elevating swivel chair chassis of claim 2, wherein: seat support mounting disc (1) is formed by two the same half dishes (1A) assembly, all is equipped with connecting plate (9) on two half dishes (1A), half dish (1A) are fixed through first bolt (5) and first nut (6) that set up on connecting plate (9).
5. The high toughness rotary elevating swivel chair chassis according to claim 4, wherein: and butt-joint columns (13) and butt-joint grooves (14) are respectively fixed on the two sides of the second cavity (16) on the butt-joint surface of the half disc (1A).
6. The high toughness rotary elevating swivel chair chassis of claim 1, wherein: the sealing plate (2) is a plate with an outer circle and an inner square, and the sealing plate (2) is fixed at the bottom of the chair seat mounting disc (1) through a plurality of second bolts (7).
7. The high toughness rotary elevating swivel chair chassis of claim 1, wherein: the chair seat mounting plate (1) is provided with a plurality of connecting holes (4) for connecting a chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120790775.9U CN214711592U (en) | 2021-04-17 | 2021-04-17 | High-toughness rotary lifting type swivel chair chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120790775.9U CN214711592U (en) | 2021-04-17 | 2021-04-17 | High-toughness rotary lifting type swivel chair chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214711592U true CN214711592U (en) | 2021-11-16 |
Family
ID=78603924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120790775.9U Active CN214711592U (en) | 2021-04-17 | 2021-04-17 | High-toughness rotary lifting type swivel chair chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214711592U (en) |
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2021
- 2021-04-17 CN CN202120790775.9U patent/CN214711592U/en active Active
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