CN2144438Y - Lift device for desk and chair - Google Patents
Lift device for desk and chair Download PDFInfo
- Publication number
- CN2144438Y CN2144438Y CN 92234677 CN92234677U CN2144438Y CN 2144438 Y CN2144438 Y CN 2144438Y CN 92234677 CN92234677 CN 92234677 CN 92234677 U CN92234677 U CN 92234677U CN 2144438 Y CN2144438 Y CN 2144438Y
- Authority
- CN
- China
- Prior art keywords
- connector
- chair
- sleeve
- elevating lever
- desk
- 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
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- Furniture Connections (AREA)
Abstract
The lift device for desk and chair of the utility model belongs to a fitting field of daily furniture, which comprises a lifting rod (1), a fixing rod (2), a sleeve (3) and a connecting piece (4). The connecting piece (4) is welded by angle steel (10) and a supporting plate (11) into three faces, the left side of the connecting piece 94) is welded with the sleeve (3), the lifting rod (1) is inserted into the sleeve (3), and the fixing rod (2) is penetrated through a positioning hole (8) for positioning. The utility model has the advantages of simple structure and low cost, which can adjust the height of desk and chair randomly and can be particularly suitable for students in middle and primary schools.
Description
The utility model relates to daily life furniture part field, exactly is the tables and chairs lifter.
At present, primary school, the widely used tables and chairs height of enterprises and institutions all fix, can not be regulated according to user's height and custom, read a book, be easy to when writing fatigue, easily suffer from or intensification myopia, particularly the budding eyesight of primary and secondary students' growth is had adverse effect; Though a kind of swivel chair is arranged on the market, also can adjustable height, complex structure involves great expense.
The purpose of this utility model is intended to overcome the deficiency in the prior art, is provided at an elevating mechanism is installed on tables and chairs or the furniture leg, can adjust the tables and chairs lifter of height arbitrarily according to differing heights user's needs.
The purpose of this utility model is achieved in that a kind of tables and chairs lifter, by elevating lever, fixed bar, sleeve pipe and connector are formed, it is characterized in that connector (4) is welded into three faces by angle steel (10) and supporting plate (11), on two sides of connector (4) two screws (5) are arranged respectively, the left side soldering sleeve (3) of connector (4), the locating hole (8) that has 5-9 spacing to equate on the elevating lever (1), elevating lever (1) inserts in the sleeve pipe (3), fixed bar (2) is concave shape, two ends of fixed bar (2) can be along on the sleeve pipe (3), locating hole (8) is passed in the lower edge, two ends have butterfly nut (9) to be threaded, chair pin (7) is put into connector (4), has four wood screws to pass screw (5) and is threaded with chair pin (7).
Advantage of the present utility model: can change the tables and chairs height arbitrarily, use, need not upgrade tables and chairs, with cost saving to be fit to the height of all ages and classes, especially primary and secondary students; Help primary and secondary students to form a good habit, vision protection, and improve study or operating efficiency; Simultaneously, this riser structure is simple, and is with low cost, can generally promote the use of.
Accompanying drawing 1, the utility model structural representation
The A-A cutaway view of accompanying drawing 2, Fig. 1
Embodiment:
Elevating lever (1) is made by seamless steel pipe, on 7 locating holes (8) are arranged, each hole (8) spacing 3cm, fixed bar (2) becomes concave shape by bar bending, supporting plate (11) is welded on angle steel (10) bottom sides along forming connector (4), connector (4) left side soldering sleeve (3), elevating lever (1) inserts in the sleeve pipe (3), fixed bar (2) is on sleeve pipe (3), two locating holes (8) of the 3rd and the 5th of elevating lever (1) are passed in the lower edge, two ends screw the location with butterfly nut (9), chair pin (7) is placed in the connector (4), passes four screws (5) with four wood screws and is threaded with chair pin (7).During use, need to rise or fall, unscrew down butterfly nut (9), take off fixed bar (2), allow sleeve pipe (3) on elevating lever (1) according to the upper and lower slip of height needs, plug fixed bar (2) again, screw butterfly nut (9) and get final product.
Claims (1)
1, a kind of tables and chairs lifter, by elevating lever (1), fixed bar (2), sleeve pipe (3) and connector (4) are formed, it is characterized in that connector (4) is welded into three faces by angle steel (10) and supporting plate (11), on two sides of connector (4) two screws (5) are arranged respectively, the left side soldering sleeve (3) of connector (4), the locating hole (8) that has 5-9 spacing to equate on the elevating lever (1), elevating lever (1) inserts in the sleeve pipe (3), fixed bar (2) is concave shape, two ends of fixed bar (2) can be along on the sleeve pipe (3), locating hole (8) is passed in the lower edge, two ends have butterfly nut (9) to be threaded, chair pin (7) is placed in the connector (4), passes four screws (5) with four wood screws and is threaded with chair pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92234677 CN2144438Y (en) | 1992-10-04 | 1992-10-04 | Lift device for desk and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92234677 CN2144438Y (en) | 1992-10-04 | 1992-10-04 | Lift device for desk and chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2144438Y true CN2144438Y (en) | 1993-10-27 |
Family
ID=33776675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92234677 Expired - Fee Related CN2144438Y (en) | 1992-10-04 | 1992-10-04 | Lift device for desk and chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2144438Y (en) |
-
1992
- 1992-10-04 CN CN 92234677 patent/CN2144438Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |