CN208573200U - A kind of liftable desk - Google Patents
A kind of liftable desk Download PDFInfo
- Publication number
- CN208573200U CN208573200U CN201721078274.8U CN201721078274U CN208573200U CN 208573200 U CN208573200 U CN 208573200U CN 201721078274 U CN201721078274 U CN 201721078274U CN 208573200 U CN208573200 U CN 208573200U
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- Prior art keywords
- desktop
- lead screw
- turbine
- desk
- worm
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Abstract
The utility model relates to a kind of liftable desks comprising: desktop；Perpendicular several table legs with desktop comprising the lead screw being connect in a rotatable manner with the bottom of desktop, and matched with lead screw and can establish inner thread sleeve on the ground；Transmission belt, on the lead screw for surrounding each table leg；Turbine and worm mechanism comprising the turbine that can with turning be set on lead screw, and the worm screw with turbine cooperation；Driving mechanism is connect with worm screw.Wherein, driving mechanism is configured to drive lead screw to rotate in inner thread sleeve by turbine and worm mechanism, so that each table leg synchronization lifting under the action of transmission belt, and then desktop is forced to be gone up and down.The liftable desk of the utility model guarantees the synchronization lifting of each table leg by transmission belt at low cost come the high transmission shaft of alternative cost, is easy to realize three synchronization liftings with upper table leg with cheap spend compared to the latter.
Description
Technical field
The utility model belongs to desk technical field, and in particular to a kind of liftable desk.
Background technique
Desk belongs to people's life, tool indispensable in study and work, people can above it putting on article,
It has a meal, write and works.In the past, the height of desk desktop basically can not be adjusted, but people wish the height of desktop again
It is adjustable, so that the adjustable desk of height of table top (also known as may be used under this demand it is suitable for the demand of different height crowds
The desk of lifting) it should need and give birth to.
For example, Chinese utility model patent CN202375403U discloses a kind of shaking type lifting table, mainly by desktop
Plate, stabilizer blade, lifting cylinder, handle body and gear-box are constituted.When needing to adjust height of table top, user can pass through rotational handle
The mode of body is operated to drive gear-box drive to go up and down the screw mechanism in cylinder, is forced through two that transmission shaft is connected
Lifting cylinder synchronizes lifting, so that desktop be driven to carry out the lifting for being parallel to ground.In lifting process, this shakes formula liter
It drops table and two lifting cylinder synchronization liftings of realization is driven by axis, although axis transmission can effectively realize the same of two lifting cylinders
Step lifting, but it is easy to cause the manufacturing cost for shaking formula same table to increase because its cost is excessively high.
Utility model content
For all of the above or subproblem, the utility model provides a kind of low-cost liftable desk.
The utility model provides a kind of liftable desk comprising: desktop；Perpendicular several tables with desktop
Leg comprising the lead screw being connect in a rotatable manner with the bottom of the desktop, and matched with the lead screw and energy
Inner thread sleeve on the ground can enough be established；Transmission belt, on the lead screw for surrounding each table leg；Turbine and worm machine
Structure comprising can be with the turbine being set in turning and (rotate synchronously) on the lead screw, and the worm screw with turbine cooperation；
Driving mechanism is connect with the worm screw.Wherein, the driving mechanism is configured to drive the silk by turbine and worm mechanism
Thick stick rotates in the inner thread sleeve, so that each table leg synchronization lifting under the action of the transmission belt, to compel
Go up and down the desktop.
Further, the transmission belt is the synchronous belt with toothing, is equipped with and the synchronous belt on each table leg
The gear structure matched.
Further, the driving mechanism includes the rocking handle being rotatably arranged on the bottom of the desktop, described to shake
Handle is connect with the worm screw.
Further, the desk further includes the speed increaser connected between the worm screw and rocking handle.
Further, the desk further includes for beam to be revolved in the resistance of adjacent inner thread sleeve connection.
Further, on the top periphery of the lead screw be equipped with circumferentially around anticreep flange, in the lead screw on
The anticreep buckle closure that can accommodate the anticreep flange is arranged with ground, the anticreep buckle closure is connected to described by the fastening member
On the bottom of desktop, enables the relatively described desktop of the lead screw rotatable around its axis but the desktop can not be detached from.
Further, the wear-resistant gasket of coating lubricating oil is equipped between the lead screw and desktop.
Further, the material of the wear-resistant gasket is preferably copper.
Further, the fastening member is bolt or rivet.
Further, rubber antiskid pad is equipped on the bottom end end face of inner thread sleeve.
The liftable desk of the utility model is guaranteed by transmission belt at low cost come alternative cost high transmission shaft
The synchronization lifting of each table leg is easy to realize three synchronization liftings with upper table leg with cheap spend compared to the latter.Meanwhile the table
Son realizes that the power between screw mechanism and rocking handle transmits by turbine and worm mechanism with self-locking function, so that the desk can be according to
Rely the self-locking function of turbine and worm mechanism that screw mechanism is prevented to fall after rise under the action of desktop, and then can effectively prevent
Desktop after rising freely declines, so that the desk need not select the screw mechanism with self-locking function again, is easy to reduce to silk
Thus the requirement of thick stick mechanism can further reduce the manufacturing cost of desk.
In addition, the structure of the liftable desk of the utility model is simple, and it is easily manufactured, it is safe and reliable, convenient for real
Apply popularization and application.
Detailed description of the invention
According to the present invention will be described in detail below with reference to the accompanying drawings.By made detailed description in conjunction with the following drawings, this is practical
Novel above-mentioned or otherwise content will be apparent and be easier to understand.In attached drawing:
Fig. 1 is the perspective view according to the liftable desk of the utility model embodiment；
Fig. 2 is the cross-sectional view according to the liftable desk of the utility model embodiment；
Fig. 3 is the enlarged drawing in Fig. 2 at D.
Specific embodiment
The specific embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is the perspective view according to the liftable desk of the utility model embodiment；Fig. 2 is according to the utility model reality
Apply the cross-sectional view of the liftable desk of example；Fig. 3 is the enlarged drawing in Fig. 2 at D.As shown in Figure 1-3, the desk 100 includes table
Panel 1, several (>=3) table legs 2, rocking handle 3, turbine and worm mechanism 4 and transmission belt 8.The table leg 2 and desktop 1 are perpendicular, and wrap
Include inner thread sleeve 21 and lead screw 22.The bottom end of the inner thread sleeve 21 can establish on the ground, and its top to lead screw
22 bottom end cooperation, the top of lead screw 22 is connect in a rotatable manner with the bottom of desktop 1.Wherein, transmission belt 8 surrounds respectively
On the lead screw 22 of a table leg 2, so that other lead screws 22 can all rotate synchronously therewith when any one lead screw 22 rotates, to guarantee desktop
Plate 1 is able to carry out the elevating movement for being parallel to ground.Turbine and worm mechanism 4 includes the turbine that can with turning be set on lead screw 22
42, and the worm screw 41 cooperated with turbine 42.The anti-slips such as turbine 42 can be connected by key, pin is connected, is fixedly connected connection
Mode is set on lead screw 22, to realize the synchronous rotation between the two.Rocking handle 3 is rotatably arranged on the bottom of desktop 1, and
It is connect with the worm screw 41 in turbine and worm mechanism 4, to drive turbine 42 to rotate by worm screw 41, forces lead screw 22 by rocking handle 3
It drives and is rotated in inner thread sleeve 21, and then the desktop 1 is driven to carry out elevating movement.Between rocking handle 3 and desktop 1
Being rotatably connected can for example be realized by platform sling 5, and platform sling 5 is vertically set on the bottom of desktop 1, preferably adjacent to desktop 1
Edge, and have and accommodate rocking handle 3 and allow the through-hole that is shaken of rocking handle 3.
The liftable desk 100 of the utility model embodiment biography high come alternative cost by transmission belt 8 at low cost
Moving axis guarantees the synchronization lifting of each table leg 2, is easy to realize that three are risen with the synchronous of upper table leg 2 with cheap spend compared to the latter
Drop.In addition, the desk 100 realizes that the power between screw mechanism 2 and rocking handle 3 transmits by turbine and worm mechanism 4, so that the table
The self-locking functions of sub 100 responsible turbine and worm mechanisms 4 prevents screw mechanism 2 from falling after rise under the action of desktop 1, Jin Erke
Effectively to prevent the desktop 1 after rising from freely declining, so that the desk 100 need not select the lead screw machine with self-locking function again
Structure is easy to reduce the requirement to screw mechanism, thus can further reduce the manufacturing cost of desk 100.
It is easily understood that the rocking handle 3 is not the driving mechanism that can uniquely drive lead screw 22 to rotate, the rocking bar 3 is not only
The handwheel that can be fixed on lead screw 22 by coaxial-type replaces, and can be replaced by electric drivers such as decelerating motors,
The mechanism that rotation can also can be exported by other replaces.
Since the transmission efficiency of turbine and worm mechanism is relatively low, in order to improve transmission efficiency, the desk 100 of the present embodiment
It may also include the speed increaser between connecting worm 41 and rocking handle 3.The speed increaser is chosen as gear set or chain sprocket component etc..Example
Such as, there are two gears for gear set tool, wherein the gear being relatively large in diameter, as the driving member being connected with rocking handle 3, diameter is smaller
Gear as the driven member being connected with worm screw, to achieve the purpose that speedup.
The transmission belt 8 is chosen as flat rubber belting or V-belt etc..But in the present embodiment, which is selected as with teeth
The synchronous belt of structure, and the gear structure matched with the synchronous belt is equipped on each table leg 2, it is possible thereby to be effectively prevented this
Conveyer belt 8 has skidded phenomenon in table leg 2, prevents each lead screw 22 from occurring nonsynchronous phenomenon in lifting process.
When lead screw 22 is rotated relative to inner thread sleeve 21, inner thread sleeve 21 can usually be applied by ground in face of it
The friction added prevents it from lead screw 22 being followed to rotate, if but floor it is very smooth, inner thread sleeve 21 is it is also possible that follows silk
Thick stick 22 rotates, therefore inner thread sleeve 21 follows lead screw 22 to rotate in order to prevent, which further includes for by adjacent interior spiral shell
Beam 7 is revolved in the resistance of line sleeve connection 21, can so prevent inner thread sleeve 21 from lead screw 22 being followed to rotate.The quantity of resistance rotation beam 7 is excellent
Be selected as two, one of them is connected with two inner thread sleeves 21 of desk side, another with two of the desk other side in
Screw shell 21 is connected.It is equally possible that being equipped with rubber antiskid pad on the bottom end end face of inner thread sleeve 21, pass through rubber
Non-slip mat solves the problems, such as this, but the resistance swirl effect of rubber antiskid pad can not show a candle to the resistance swirl effect of resistance rotation beam 7.
The top of lead screw 22 connects the top of desktop 1 by bearing block, allows lead screw 22 with respect to 1 turn of desktop
Dynamic, the bearing installed in bottom bracket is preferably thrust bearing.But since the cost of bearing block is more higher, so in order to drop
Low cost in preferred embodiment shown in Fig. 1 and is not used bearing block but uses such as under type, i.e., outside the top of lead screw 22
Be equipped in week circumferentially around anticreep flange 22a, and the anticreep that can accommodate anticreep flange 22a is matchingly arranged on lead screw 22
Buckle closure 6, the anticreep buckle closure 6 are connected on the bottom of desktop 1 by the fastening members (not shown) such as screw, rivet, lead screw energy
The relatively described desktop is rotatable around its axis but can not be detached from the desktop.In this way, even if people forcibly lift
Rise desktop 1, then lead screw 22 under the action of anticreep flange 22a and anticreep buckle closure 6 also can not taken away from desktop plate 1 so that table
Leg 2 can follow desktop 1 always.However, it is contemplated that desktop 1 is usually by wood, glass etc. is easy to wear or easily rupturable material system
Make, be not easy with 22 direct friction of lead screw, therefore the wear-resistant pad of coating lubricating oil can be equipped between desktop 1 and lead screw 22
Piece 9, to reduce the abrasion that the two generates in relative movement.Wherein, 9 materials of the wear-resistant gasket are preferably copper.
Above-mentioned specific embodiment/embodiment is the specific specific embodiment of the utility model, for illustrating this reality
With novel design, be it is explanatory and illustrative, should not be construed as to the utility model embodiment and the utility model
The limitation of range.In addition to the embodiment recorded herein, those skilled in the art can also be based on the claim of this application book and say
For bright book disclosure of that using obvious other technical solutions, these technical solutions include using to the reality recorded herein
The technical solution for making any obvious substitutions and modifications for applying example, is within the protection scope of the utility model.Especially
It is, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can combine in any way
Come.The utility model is not limited to specific embodiment disclosed herein, but the institute including falling within the scope of the appended claims
There is technical solution.
Claims (10)
1. a kind of liftable desk characterized by comprising
Desktop；
Perpendicular several table legs with the desktop comprising the silk being connect in a rotatable manner with the bottom of the desktop
Thick stick, and matched with the lead screw and can establish inner thread sleeve on the ground；
Transmission belt, on the lead screw for surrounding each table leg；
Turbine and worm mechanism comprising the turbine that can with turning be set on the lead screw, and the snail with turbine cooperation
Bar；And
Driving mechanism is connect with the worm screw；
Wherein, the driving mechanism is configured to drive the lead screw in the inner thread sleeve inward turning by turbine and worm mechanism
Turn, so that each table leg synchronization lifting under the action of the transmission belt, so that the desktop be forced to be gone up and down.
2. desk according to claim 1, which is characterized in that the transmission belt is the synchronous belt with toothing, each
The table leg is equipped with the gear structure matched with the synchronous belt.
3. desk according to claim 1 or 2, which is characterized in that the driving mechanism is described including being rotatably arranged in
Rocking handle on the bottom of desktop, the rocking handle are connect with the worm screw.
4. desk according to claim 3, which is characterized in that the desk further includes connecting between the worm screw and rocking handle
Speed increaser.
5. desk according to claim 1 or 2, which is characterized in that further include for by the adjacent inner thread sleeve
Beam is revolved in the resistance of connection.
6. desk according to claim 1 or 2, which is characterized in that be equipped with circumferential ring on the top periphery of the lead screw
Around anticreep flange, the anticreep buckle closure that can accommodate the anticreep flange is matchingly arranged on the lead screw, it is described anti-tripping
Lid is connected on the bottom of the desktop by fastening member, and the relatively described desktop of the lead screw is turned around its axis
It moves but the desktop can not be detached from.
7. desk according to claim 6, which is characterized in that be equipped between the lead screw and desktop and smeared lubrication
The wear-resistant gasket of oil.
8. desk according to claim 7, which is characterized in that the material of the wear-resistant gasket is preferably copper.
9. desk according to claim 6, which is characterized in that the fastening member is bolt or rivet.
10. desk according to claim 1 or 2, which is characterized in that be equipped with rubber on the bottom end end face of inner thread sleeve
Non-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078274.8U CN208573200U (en) | 2017-08-25 | 2017-08-25 | A kind of liftable desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078274.8U CN208573200U (en) | 2017-08-25 | 2017-08-25 | A kind of liftable desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208573200U true CN208573200U (en) | 2019-03-05 |
Family
ID=65498395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721078274.8U Expired - Fee Related CN208573200U (en) | 2017-08-25 | 2017-08-25 | A kind of liftable desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208573200U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664565A (en) * | 2019-09-24 | 2020-01-10 | 四川大学华西医院 | Pressure sore prevention alarm device |
| CN111515598A (en) * | 2020-04-28 | 2020-08-11 | 广东电网有限责任公司东莞供电局 | Auxiliary table for welding |
| CN111981260A (en) * | 2020-07-21 | 2020-11-24 | 中国科学院长春光学精密机械与物理研究所 | Camera mounting height adjusting device |
| CN113142789A (en) * | 2021-05-11 | 2021-07-23 | 宁波一力减震器有限公司 | Synchronous lifting table |
-
2017
- 2017-08-25 CN CN201721078274.8U patent/CN208573200U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664565A (en) * | 2019-09-24 | 2020-01-10 | 四川大学华西医院 | Pressure sore prevention alarm device |
| CN111515598A (en) * | 2020-04-28 | 2020-08-11 | 广东电网有限责任公司东莞供电局 | Auxiliary table for welding |
| CN111981260A (en) * | 2020-07-21 | 2020-11-24 | 中国科学院长春光学精密机械与物理研究所 | Camera mounting height adjusting device |
| CN113142789A (en) * | 2021-05-11 | 2021-07-23 | 宁波一力减震器有限公司 | Synchronous lifting table |
| CN113142789B (en) * | 2021-05-11 | 2024-04-05 | 宁波一力实业有限公司 | Synchronous lifting table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 Termination date: 20190825 |