CN215076211U - Large-stroke quadrilateral-linkage lifting table - Google Patents
Large-stroke quadrilateral-linkage lifting table Download PDFInfo
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- CN215076211U CN215076211U CN202120797381.6U CN202120797381U CN215076211U CN 215076211 U CN215076211 U CN 215076211U CN 202120797381 U CN202120797381 U CN 202120797381U CN 215076211 U CN215076211 U CN 215076211U
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- connecting rod
- rod piece
- quadrilateral
- quadrilateral linkage
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Abstract
The utility model discloses a large-stroke quadrilateral-linkage lifting table, which comprises two support frames and a table plate; the two support frames are arranged left and right separately, each support frame consists of a lower quadrilateral linkage structure and an upper quadrilateral linkage structure which are connected up and down, a lower cross rod which enables the two lower quadrilateral linkage structures to move synchronously is connected between the lower quadrilateral linkage structures of the two support frames, and an upper cross rod which enables the two upper quadrilateral linkage structures to move synchronously is connected between the upper quadrilateral linkage structures of the two support frames; the table board is fixedly connected with the upper ends of the two upper quadrilateral linkage structures. Through designing into the support frame by the lower quadrangle linkage structure of connecting from top to bottom and go up the quadrangle linkage structure and constitute to the cooperation sets up horizontal pole down and last horizontal pole, makes the utility model discloses simple structure has effectively increased the lift stroke, and the synchronism and the stability of going up and down are better, satisfy the needs of using, bring more facilities for the use.
Description
Technical Field
The utility model relates to a desk field technique especially indicates a lift table of big stroke quadrangle linkage.
Background
There are many kinds of tables, such as study tables, office tables, dining tables, etc., and the table top of these tables is usually fixed and non-adjustable. In order to meet the convenience of use, various lifting tables are available at present, and the lifting of a table plate can be realized so as to adapt to various use requirements. However, the lifting mechanism of the existing lifting table is generally complex in structure, small in lifting stroke and poor in stability. Therefore, there is a need for improvements in current lift tables.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a lifting table with a large stroke and quadrilateral linkage, which can effectively solve the problems of complicated lifting mechanism, small stroke and poor stability of the existing lifting table.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a large-stroke quadrilateral-linked lifting table comprises two support frames and a table plate; the two support frames are arranged left and right separately, each support frame consists of a lower quadrilateral linkage structure and an upper quadrilateral linkage structure which are connected up and down, a lower cross rod which enables the two lower quadrilateral linkage structures to move synchronously is connected between the lower quadrilateral linkage structures of the two support frames, and an upper cross rod which enables the two upper quadrilateral linkage structures to move synchronously is connected between the upper quadrilateral linkage structures of the two support frames; the table board is fixedly connected with the upper ends of the two upper quadrilateral linkage structures.
As a preferred scheme, the support frame comprises support legs, a first connecting rod piece, a second connecting rod piece, a third connecting rod piece, a fourth connecting rod piece, a fifth connecting rod piece and a sixth connecting rod piece; the second connecting rod piece is positioned on the upper side of the first connecting rod piece and arranged in parallel with each other, and the lower end of the second connecting rod piece and the lower end of the first connecting rod piece are hinged with the supporting legs; the lower end of the third connecting rod piece is hinged with the upper end of the second connecting rod piece and the upper end of the first connecting rod piece, and the third connecting rod piece, the second connecting rod piece, the first connecting rod piece and the supporting legs form the lower quadrilateral linkage structure; the fifth connecting rod piece is positioned on the upper side of the fourth connecting rod piece and arranged in parallel with each other, and the lower end of the fifth connecting rod piece and the lower end of the fourth connecting rod piece are hinged with the upper end of the third connecting rod piece; the sixth connecting rod piece is fixedly connected with the table board, the sixth connecting rod piece is hinged with the upper end of the fifth connecting rod piece and the upper end of the fourth connecting rod piece, and the sixth connecting rod piece, the fifth connecting rod piece, the fourth connecting rod piece and the third connecting rod piece form the upper quadrilateral linkage structure.
As a preferred scheme, the lower cross rod is connected between the first connecting rod pieces of the two support frames, and the upper cross rod is connected between the fifth connecting rod pieces of the two support frames.
Preferably, a first toothed block is fixed inside the upper end of the second link member, and a second toothed block is fixed inside the lower end of the fourth link member, and the second toothed block is meshed with the first toothed block.
As a preferred scheme, a pneumatic rod is arranged inside the upper quadrilateral linkage structure, and two ends of the pneumatic rod are respectively hinged with the fifth connecting rod piece and the fourth connecting rod piece.
Preferably, the supporting leg comprises a square tube, a U-shaped hinge part extends upwards from the front end of the square tube, and the lower ends of the first link member and the second link member are both located in the U-shaped hinge part and hinged to the U-shaped hinge part.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
through designing into the support frame by the lower quadrangle linkage structure of connecting from top to bottom and go up the quadrangle linkage structure and constitute to the cooperation sets up horizontal pole down and last horizontal pole, makes the utility model discloses simple structure has effectively increased the lift stroke, and the synchronism and the stability of going up and down are better, satisfy the needs of using, bring more facilities for the use.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;
FIG. 2 is a perspective view of the present invention in another angle;
fig. 3 is an exploded view of the preferred embodiment of the present invention;
fig. 4 is a cross-sectional view of a preferred embodiment of the invention.
The attached drawings indicate the following:
10. support frame 11, supporting legs
111. Square tube 112, U-shaped hinge
12. First connecting rod 13 and second connecting rod
14. Third connecting rod piece 15, fourth connecting rod piece
16. Fifth link member 17, sixth link member
18. First and second toothed blocks 19 and 19
101. Air pressure bar 20 and table board
31. A lower cross bar 32 and an upper cross bar.
Detailed Description
Referring to fig. 1 to 4, a detailed structure of a preferred embodiment of the present invention is shown, which includes two support frames 10 and a table board 20.
The two support frames 10 are arranged left and right separately, each support frame 10 consists of a lower quadrilateral linkage structure and an upper quadrilateral linkage structure which are connected up and down, a lower cross rod 31 which enables the two lower quadrilateral linkage structures to move synchronously is connected between the lower quadrilateral linkage structures of the two support frames 10, and an upper cross rod 32 which enables the two upper quadrilateral linkage structures to move synchronously is connected between the upper quadrilateral linkage structures of the two support frames 10; the table board 20 is fixedly connected with the upper ends of the two upper quadrilateral linkage structures.
Specifically, the support frame 10 includes a support leg 11, a first link 12, a second link 13, a third link 14, a fourth link 15, a fifth link 16, and a sixth link 17.
The second connecting rod piece 13 is positioned on the upper side of the first connecting rod piece 12 and is arranged in parallel with each other, and the lower end of the second connecting rod piece 13 and the lower end of the first connecting rod piece 12 are both hinged with the supporting legs 11; the lower end of the third connecting rod piece 14 is hinged with the upper end of the second connecting rod piece 13 and the upper end of the first connecting rod piece 12, and the third connecting rod piece 14, the second connecting rod piece 13, the first connecting rod piece 12 and the supporting legs 11 form the lower quadrilateral linkage structure; in this embodiment, the supporting leg 11 includes a square tube 111, a U-shaped hinge 112 extends upward from the front end of the square tube 111, the lower end of the first link 12 and the lower end of the second link 13 are both located in the U-shaped hinge 112 and hinged to the U-shaped hinge 112, and the lower cross bar 31 is connected between the first link 12 of the two supporting frames 10.
The fifth connecting rod piece 16 is positioned on the upper side of the fourth connecting rod piece 15 and is arranged in parallel with each other, and the lower end of the fifth connecting rod piece 16 and the lower end of the fourth connecting rod piece 15 are both hinged with the upper end of the third connecting rod piece 14; the sixth link 17 is fixedly connected to the table board 20, the sixth link 17 is hinged to the upper end of the fifth link 16 and the upper end of the fourth link 15, and the sixth link 17, the fifth link 16, the fourth link 15 and the third link 14 form the upper quadrilateral linkage structure. In this embodiment, the upper cross bar 32 is connected between the fifth link members 16 of the two support frames 10.
And, the inside of the upper end of the second link 13 is fixed with a first toothed block 18, the inside of the lower end of the fourth link 15 is fixed with a second toothed block 19, the second toothed block 19 is engaged with the first toothed block 18, so that the lower quadrilateral linkage structure and the upper quadrilateral linkage structure can be positioned stably and relatively, and the second toothed block 19 and the first toothed block 18 are fan-shaped toothed blocks. And, the inside of the upper quadrilateral linkage structure is provided with a pneumatic rod 101, and two ends of the pneumatic rod 101 are respectively hinged with the fifth connecting rod piece 16 and the fourth connecting rod piece 15 so as to control the movement of the upper quadrilateral linkage structure. In addition, a pneumatic rod (not shown) is also disposed inside the lower quadrilateral linkage structure, and two ends of the pneumatic rod are respectively hinged to the second link 13 and the first link 12 to control the movement of the lower quadrilateral linkage structure.
In addition, the first link 12, the second link 13, the third link 14, the fourth link 15, the fifth link 16 and the sixth link 17 are all U-shaped shell structures, and the hinges at the positions are all in the form of pins, rivets or screws, which is not limited.
Detailed description the working principle of the present embodiment is as follows:
when the table board 20 is required to be adjusted in the vertical position, the two air pressure rods are firstly opened, then the table board 20 is upwards supported or downwards pressed, the lower quadrilateral linkage structure and the upper quadrilateral linkage structure move, the two air pressure rods also stretch and move, after the table board 20 is adjusted to a proper height position, the two air pressure rods are closed, the lengths of the air pressure rods are fixed, and the positions of the lower quadrilateral linkage structure and the upper quadrilateral linkage structure are locked, so that the table board 20 is positioned at the corresponding height position.
The utility model discloses a design focus lies in: through designing into the support frame by the lower quadrangle linkage structure of connecting from top to bottom and go up the quadrangle linkage structure and constitute to the cooperation sets up horizontal pole down and last horizontal pole, makes the utility model discloses simple structure has effectively increased the lift stroke, and the synchronism and the stability of going up and down are better, satisfy the needs of using, bring more facilities for the use.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a lift table of big stroke quadrangle linkage which characterized in that: comprises two supporting frames and a table board; the two support frames are arranged left and right separately, each support frame consists of a lower quadrilateral linkage structure and an upper quadrilateral linkage structure which are connected up and down, a lower cross rod which enables the two lower quadrilateral linkage structures to move synchronously is connected between the lower quadrilateral linkage structures of the two support frames, and an upper cross rod which enables the two upper quadrilateral linkage structures to move synchronously is connected between the upper quadrilateral linkage structures of the two support frames; the table board is fixedly connected with the upper ends of the two upper quadrilateral linkage structures.
2. The large travel quadrilateral linked lifting table of claim 1, wherein: the support frame comprises support legs, a first connecting rod piece, a second connecting rod piece, a third connecting rod piece, a fourth connecting rod piece, a fifth connecting rod piece and a sixth connecting rod piece; the second connecting rod piece is positioned on the upper side of the first connecting rod piece and arranged in parallel with each other, and the lower end of the second connecting rod piece and the lower end of the first connecting rod piece are hinged with the supporting legs; the lower end of the third connecting rod piece is hinged with the upper end of the second connecting rod piece and the upper end of the first connecting rod piece, and the third connecting rod piece, the second connecting rod piece, the first connecting rod piece and the supporting legs form the lower quadrilateral linkage structure; the fifth connecting rod piece is positioned on the upper side of the fourth connecting rod piece and arranged in parallel with each other, and the lower end of the fifth connecting rod piece and the lower end of the fourth connecting rod piece are hinged with the upper end of the third connecting rod piece; the sixth connecting rod piece is fixedly connected with the table board, the sixth connecting rod piece is hinged with the upper end of the fifth connecting rod piece and the upper end of the fourth connecting rod piece, and the sixth connecting rod piece, the fifth connecting rod piece, the fourth connecting rod piece and the third connecting rod piece form the upper quadrilateral linkage structure.
3. The large travel quadrilateral linked lifting table of claim 2, wherein: the lower cross rod is connected between the first connecting rod pieces of the two support frames, and the upper cross rod is connected between the fifth connecting rod pieces of the two support frames.
4. The large travel quadrilateral linked lifting table of claim 2, wherein: and a first tooth-shaped block is fixed inside the upper end of the second connecting rod piece, and a second tooth-shaped block is fixed inside the lower end of the fourth connecting rod piece and is meshed and connected with the first tooth-shaped block.
5. The large travel quadrilateral linked lifting table of claim 2, wherein: and an air pressure rod is arranged in the upper quadrilateral linkage structure, and two ends of the air pressure rod are respectively hinged with the fifth connecting rod piece and the fourth connecting rod piece.
6. The large travel quadrilateral linked lifting table of claim 2, wherein: the supporting legs comprise square tubes, U-shaped hinge parts extend upwards from the front ends of the square tubes, and the lower ends of the first connecting rod pieces and the second connecting rod pieces are both located in the U-shaped hinge parts and hinged with the U-shaped hinge parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797381.6U CN215076211U (en) | 2021-04-19 | 2021-04-19 | Large-stroke quadrilateral-linkage lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797381.6U CN215076211U (en) | 2021-04-19 | 2021-04-19 | Large-stroke quadrilateral-linkage lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215076211U true CN215076211U (en) | 2021-12-10 |
Family
ID=79266609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120797381.6U Active CN215076211U (en) | 2021-04-19 | 2021-04-19 | Large-stroke quadrilateral-linkage lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215076211U (en) |
-
2021
- 2021-04-19 CN CN202120797381.6U patent/CN215076211U/en active Active
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