CN102401217A - Constant force tension spring lifting support - Google Patents
Constant force tension spring lifting support Download PDFInfo
- Publication number
- CN102401217A CN102401217A CN2011103778603A CN201110377860A CN102401217A CN 102401217 A CN102401217 A CN 102401217A CN 2011103778603 A CN2011103778603 A CN 2011103778603A CN 201110377860 A CN201110377860 A CN 201110377860A CN 102401217 A CN102401217 A CN 102401217A
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- support
- lifting
- extension spring
- runner
- constant force
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Abstract
The invention relates to a constant force tension spring lifting support. The constant force tension spring lifting support comprises a base and a fixed support arranged on the base, wherein the fixed support is provided with a chute and a lifting slide block; the lifting slide block is arranged on the fixed support through the chute; the fixed support is also provided with a tension spring and a variable radius rotating wheel; and one end of the tension spring is fixed on the fixed support, and the other end of the tension spring moves around the variable radius rotating wheel through a pull rope and is connected with the lifting slide block. The force arm of the tension spring is reduced through the variable radius rotating wheel, so that force for pressing the lifting slide block is constant, labor is prevented from being wasted by increasing pressure during pressing, the lifting support is light, convenient to operate and flexibly applied, and the safety of devices such as a display and the like arranged on the lifting slide block is ensured; and the lifting support is reasonable in structure and easy to operate, and the service life of the lifting support is prolonged.
Description
Technical field
What the present invention relates to is a kind of lifting support, and what be specifically related to is that a kind of display device is with constant force extension spring lifting support.
Background technique
Flourish along with Digital A, liquid crystal display is owing to have advantages such as light weight, body are thin, radiationless, and its utilization is also increasingly extensive, has progressively replaced traditional Fluorescent display.Present liquid crystal display is mostly by TFT LCD, and is installed in the lifting support support, and is easy to use.Existing lifting support frame comprises fixing frame and lifting frame, but lifting frame relative fixed frame is done elevating movement, and TFT LCD generally is installed on the lifting frame through mounting plate, so that move up and down with lifting frame.
This type liquid crystal display generally drops to extreme lower position with TFT LCD and mounting plate thereof when dispatching from the factory, reducing packaging volume, but this structure lifting support frame is the effect through extension spring at lifting process, makes lifting frame recover original position; When the operator when pressing down lifting frame because tension spring tension increases gradually, the dynamics that presses down the display screen on the lifting frame this moment also increases gradually; Excessive display screen damage or display screen and the lifting support partial rupture of causing easily of exerting oneself; Therefore, lifting frame discontinuity in the decline process is not easy to people's use; Be prone to cause display screen to damage, thereby cause economic loss to producer.Therefore, existing display screen lifting support remains further to be improved.
Summary of the invention
To the deficiency that exists on the existing technology, the present invention seeks to providing that a kind of elastic force is constant, operation constant force extension spring lifting support light and easy to use, it is rational in infrastructure, prolonged working life.
To achieve these goals, the present invention realizes through following technological scheme:
Constant force extension spring lifting support; It comprises base and is arranged on the fixed support on the base, it is characterized in that, on said fixed support, is provided with chute and lifting slider; Said lifting slider is installed on the fixed support through chute; On said fixed support, also be provided with extension spring and become the radius runner, said extension spring one end is fixed on the fixed support, and its other end is walked around change radius runner through stay cord and is connected with lifting slider.
According to above-mentioned a kind of constant force extension spring lifting support, wherein, said change radius runner connects to form into radius dwindles circular arc gradually from beginning to end, is eccentric runner, makes its arm of force that reduces tension spring tension, thereby makes the pressure that presses down lifting slider keep constant.
According to above-mentioned constant force extension spring lifting support; Wherein, Said change radius runner comprises moving runner that is installed on the fixed support and the opening that is arranged on moving runner one side; The displacement in said opening to moving runner axle center is less than the radius of moving runner, the said stay cord the other end pass bayonet socket and around to moving runner be connected with lifting slider.
According to above-mentioned constant force extension spring lifting support, wherein, said change radius runner is arranged on the fixed support upper end, and said extension spring one end is fixed on support bracket fastened lower end.
According to above-mentioned constant force extension spring lifting support, wherein, said chute is provided with two, is separately positioned on support bracket fastened both sides.
According to above-mentioned constant force extension spring lifting support, wherein, said lifting slider is provided with the slide guide rail suitable with chute.
The present invention becomes the radius runner through being provided with, and the arm of force of extension spring is reduced, and presses down trying hard to keep of lifting slider and holds constant force thereby make; And then boost pressure and requiring great effort when having avoided pressing down, make it freely light, easy to operate; Utilization has guaranteed to install the safety of the devices such as display device on the lifting slider flexibly, and it is rational in infrastructure; Easy operating, the working life of having improved lifting support.
Description of drawings
Specify the present invention below in conjunction with accompanying drawing and embodiment;
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation when pressing down lifting slider of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1 and Fig. 2, present embodiment provides a kind of constant force extension spring lifting support, is applied on the display fixing device, and it comprises base 10, is installed in fixed support 20 and lifting slider 30 on the base 10.Display screen can be installed on the lifting slider 30; Be separately installed with chute 21 in the both sides of fixed support 20; This chute 21 is " worker " font; Lifting slider 30 both sides are equipped with slide guide rail 9 (not shown) suitable with chute 21, place through the slide guide rail lifting slider 30 is installed on the fixed support 10.
What deserves to be mentioned is that change radius runner 22 also is installed in fixed support 20 upper ends, and this change radius runner 22 is installed on the fixed support 20 through rotary wheel frame.In the lower end of fixed support 20 extension spring 23 is installed, these extension spring 23 1 ends are fixed on the lower end of fixed support 20, and its other end is walked around change radius runner 22 through stay cord 24 and is connected with lifting slider 30, makes its effect through extension spring 23 produce restoring force.
Change radius runner of the present invention 22 is adoptable to be to dwindle circular arc gradually by radius to connect to form from beginning to end, is eccentric runner.Comprise moving runner 220 that is installed on the fixed support 20 and the opening 221 that is arranged on moving runner 220 1 sides and become radius runner 22 in the present embodiment, the displacement in this opening 221 to moving runner axle center is less than the radius of moving runner, and then reaches the purpose of radius-zoom-out.This stay cord the other end pass bayonet socket and around to moving runner be connected with lifting slider, promptly stay cord 24 1 ends are connected with the other end of extension spring 23, stay cord 24 the other ends pass bayonet socket, and walk around the arc surface that becomes radius runner 22 and be connected on the lifting slider 30.When slide block 30 fell in voltage rise instantly, extension spring 23 was elongated, and became 22 rotations of radius runner simultaneously; The radius that the arm of force that is located at the tension spring tension of extension spring 23 1 sides promptly becomes radius runner 22 reduces gradually; And extension spring 23 pulling force increase gradually, and according to the physics principle of moment balance, it is equal that its moment keeps generally; In the effect that becomes radius runner 22; The arm of force that its opposite side presses down the pressure of lifting slider 30 is that radius remains unchanged, so down force pressure remains unchanged equally, presses down the invariable purpose of lifting slider 30 dynamics thereby reach.
The present invention becomes radius runner 22 through being provided with, and the arm of force of extension spring 23 is reduced, thereby makes the pressure that presses down lifting slider 30 keep constant force; And then boost pressure and requiring great effort when having avoided pressing down, make it freely light, easy to operate; Utilization has guaranteed to install the safety of the devices such as display device on the lifting slider flexibly, and it is rational in infrastructure; Easy operating, the working life of having improved lifting support.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. constant force extension spring lifting support; It comprises base and is arranged on the fixed support on the base, it is characterized in that, on said fixed support, is provided with chute and lifting slider; Said lifting slider is installed on the fixed support through chute; On said fixed support, also be provided with extension spring and become the radius runner, said extension spring one end is fixed on the fixed support, and its other end is walked around change radius runner through stay cord and is connected with lifting slider.
2. constant force extension spring lifting support according to claim 1 is characterized in that, said change radius runner connects to form into radius dwindles circular arc gradually from beginning to end.
3. constant force extension spring lifting support according to claim 1; It is characterized in that; Said change radius runner comprises moving runner that is installed on the fixed support and the opening that is arranged on moving runner one side; The displacement in said opening to moving runner axle center is less than the radius of moving runner, the said stay cord the other end pass bayonet socket and around to moving runner be connected with lifting slider.
4. according to any described constant force extension spring lifting support of claim 1 to 3, it is characterized in that said change radius runner is arranged on the fixed support upper end, said extension spring one end is fixed on support bracket fastened lower end.
5. according to any described a kind of constant force extension spring lifting support of claim 1 to 3, it is characterized in that said chute is provided with two, and be separately positioned on support bracket fastened both sides.
6. according to any described constant force extension spring lifting support of claim 1 to 3, it is characterized in that said lifting slider is provided with the slide guide rail suitable with chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103778603A CN102401217A (en) | 2011-11-24 | 2011-11-24 | Constant force tension spring lifting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103778603A CN102401217A (en) | 2011-11-24 | 2011-11-24 | Constant force tension spring lifting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102401217A true CN102401217A (en) | 2012-04-04 |
Family
ID=45883703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103778603A Pending CN102401217A (en) | 2011-11-24 | 2011-11-24 | Constant force tension spring lifting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102401217A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565745A (en) * | 2014-12-31 | 2015-04-29 | 宁波渠成进出口有限公司 | Constant force lifting device |
| CN104565730A (en) * | 2013-10-16 | 2015-04-29 | 崔壮勇 | Volute spring type LCD TV (Liquid Crystal Display Television) lifting device |
| CN105822872A (en) * | 2015-01-04 | 2016-08-03 | 苏州市海铂橡塑五金制品有限公司 | Lifting force adjusting mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371069A (en) * | 2004-09-28 | 2009-02-18 | 爱格升公司 | Lift mechanism systems and methods |
| CN101442921A (en) * | 2004-12-17 | 2009-05-27 | 斯蒂尔凯斯发展股份有限公司 | Height adjustable table |
| CN101463938A (en) * | 2007-12-20 | 2009-06-24 | 鸿富锦精密工业（深圳）有限公司 | Lifting mechanism |
| CN202149329U (en) * | 2011-07-01 | 2012-02-22 | 东莞呈越电脑配件有限公司 | Lifting device for FPD bracket |
| CN202349518U (en) * | 2011-11-24 | 2012-07-25 | 泰州市创新电子有限公司 | Constant-force tension spring lifting support |
-
2011
- 2011-11-24 CN CN2011103778603A patent/CN102401217A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371069A (en) * | 2004-09-28 | 2009-02-18 | 爱格升公司 | Lift mechanism systems and methods |
| CN101442921A (en) * | 2004-12-17 | 2009-05-27 | 斯蒂尔凯斯发展股份有限公司 | Height adjustable table |
| CN101463938A (en) * | 2007-12-20 | 2009-06-24 | 鸿富锦精密工业（深圳）有限公司 | Lifting mechanism |
| CN202149329U (en) * | 2011-07-01 | 2012-02-22 | 东莞呈越电脑配件有限公司 | Lifting device for FPD bracket |
| CN202349518U (en) * | 2011-11-24 | 2012-07-25 | 泰州市创新电子有限公司 | Constant-force tension spring lifting support |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565730A (en) * | 2013-10-16 | 2015-04-29 | 崔壮勇 | Volute spring type LCD TV (Liquid Crystal Display Television) lifting device |
| CN104565745A (en) * | 2014-12-31 | 2015-04-29 | 宁波渠成进出口有限公司 | Constant force lifting device |
| CN105822872A (en) * | 2015-01-04 | 2016-08-03 | 苏州市海铂橡塑五金制品有限公司 | Lifting force adjusting mechanism |
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| PB01 | Publication | ||
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Application publication date: 20120404 |