CN203646807U - Lifting supporting leg and lifting transmission mechanism - Google Patents
Lifting supporting leg and lifting transmission mechanism Download PDFInfo
- Publication number
- CN203646807U CN203646807U CN201420014901.1U CN201420014901U CN203646807U CN 203646807 U CN203646807 U CN 203646807U CN 201420014901 U CN201420014901 U CN 201420014901U CN 203646807 U CN203646807 U CN 203646807U
- Authority
- CN
- China
- Prior art keywords
- elevating
- drive
- lifting
- disk assembly
- damping
- 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 - Lifetime
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 51
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 230000003028 elevating effect Effects 0.000 claims description 114
- 210000002683 foot Anatomy 0.000 claims description 95
- 239000004020 conductor Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Types And Forms Of Lifts (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a lifting supporting leg. The lifting supporting leg comprises a transmission component, a lifting screw and a sleeve, wherein the main gear of the transmission component is fixedly connected with the top of the lifting screw, the lifting screw is in running fit with the sleeve, and an anti-gliding device is arranged between the lifting screw and the transmission component. The utility model also discloses a lifting transmission mechanism utilizing the lifting supporting leg; the lifting transmission mechanism comprises at least two or more than two lifting supporting legs; the transmission components are connected by connecting rods, a rotation control element is arranged on at least one connecting rod or one transmission component, and the direction of spiral of the lifting screws on the lifting supporting legs is matched with the connection pattern between the connecting rods and the transmission components so that the rotation control element is capable of controlling synchronous lifting of all the lifting supporting legs. The lifting supporting leg is characterized in that a spiral spring damping device is taken as the anti-gliding device, so that the influence of the dead load of a table panel, a cross beam and the like is effectively balanced, and the lifting transmission mechanism utilizing the lifting supporting legs is enabled to be controlled more evenly and steadily.
Description
Technical field
The utility model relates to a kind of furniture elevating feet, and the elevating drive mechanism that can realize multi-faceted synchronization lifting being made up of this furniture elevating feet.
Background technology
Furniture elevating feet of the prior art comprises drive disk assembly, lifting screw, sleeve pipe, and the master gear of drive disk assembly is fixedly connected with lifting screw top, and lifting screw coordinates with rotation of sleeve.In patent announcement CN202027154U document, disclose and a kind ofly can carry out transmission by pitch wheel in vertical direction, realize the elevating feet of lifting by the rotation between lifting screw and sleeve pipe, optimize the mode of lifting transmission, but shortcoming is in the process of working control lifting, especially in controlling decline, due to the deadweight such as desktop and crossbeam, exist the power automatically gliding to be unfavorable for the control declining.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of furniture elevating feet that overcomes the effect of weight such as desktop and crossbeam that has is provided, and the elevating drive mechanism that can realize multi-faceted synchronization lifting being made up of this furniture elevating feet.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of elevating feet, comprises drive disk assembly, lifting screw, sleeve pipe, and the master gear of drive disk assembly is fixedly connected with lifting screw top, and lifting screw coordinates with rotation of sleeve, between lifting screw and drive disk assembly, is provided with anti-down slide device.
As further improvement of the utility model, described anti-down slide device is helical spring damping unit, comprise damping helical spring and damping sleeve, described damping sleeve is fixedly connected on lifting screw top, drive disk assembly below, described damping sleeve comprises damping conductor and outer tube, between damping conductor and outer tube, there is a spill gap, described damping helical spring is placed on having in spill gap between damping conductor and outer tube, between described damping conductor outer wall and damping helical spring inwall, form sliding friction, the helical spring hand of spiral of described damping is consistent with the hand of spiral of lifting screw, described damping helical spring upper end is provided with spring fixed handle, described spring fixed handle relative positioning is in drive disk assembly.
As further improvement of the utility model, described drive disk assembly comprises uni-drive gear box and is fixedly connected on the bearing block of uni-drive gear box lower end, described bearing block is provided with the spring fixed hole coordinating with spring fixed handle, and described spring fixed handle is inserted in the spring fixed hole on described bearing block.
As further improvement of the utility model, described damping sleeve axle center is hexagon ring, and described lifting screw top is outer-hexagonal bar, and damping sleeve is sleeved on the outer-hexagonal bar of lifting screw top by axle center hexagon ring, and coordinates with it, and both realize synchronous rotary.
The invention also discloses a kind of elevating drive mechanism that comprises described elevating feet, at least comprise two or more elevating feets, between described drive disk assembly, carry out UNICOM by connecting rod, at least on a connecting rod or drive disk assembly, be provided with rotation controling piece, the hand of spiral of the lifting screw on described elevating feet adapts with the connected mode between connecting rod and drive disk assembly, makes rotation controling piece can control the synchronization lifting of all elevating feets.
As further improvement of the utility model, the quantity from gear of described drive disk assembly adapts with quantity and the distributing position of elevating feet with distribution.
As further improvement of the utility model, between described connecting rod, connect by expansion drive disk assembly, described expansion drive disk assembly has a master gear and a pinion, and master gear connects one end of connecting rod, runs through another root connecting rod in the middle of pinion.
As further improvement of the utility model, described rotation controling piece is electronic control piece, comprises the motor of drive link rotation and the console of control motor steering and speed.
As further improvement of the utility model, described rotation controling piece is manual control piece, comprises the drive rod of connection for transmission parts pinion, and described drive rod end is provided with turning handle.
As further improvement of the utility model, described rotation controling piece is manual control piece, comprise the expansion drive disk assembly being connected on connecting rod, described expansion drive disk assembly has a master gear and a pinion, master gear connects the termination of drive rod, connecting rod runs through in the middle of pinion, and described drive rod end is provided with turning handle.
Elevating feet of the present utility model, simple in structure, highly versatile, can form the synchronization lifting transmission mechanism of desk feet in various orientation.This elevating feet adopts helical spring damping unit as anti-down slide device, effectively balance the impact of the deadweight such as desktop and crossbeam, make the control of lifting more even gently.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model elevating feet;
Fig. 2 is a kind of structural representation of the elevating drive mechanism with 2 elevating feets;
Fig. 3 is a kind of structural representation of the elevating drive mechanism with 3 elevating feets;
Fig. 4 is a kind of different structural representations that rotate the elevating drive mechanism with 3 elevating feets of controlling that have;
Fig. 5 is the structural representation of the elevating drive mechanism with 3 elevating feets of another kind of layout;
Fig. 6 is a kind of structural representation of the elevating drive mechanism with 4 elevating feets.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1, a kind of elevating feet of the present utility model, existing by drive disk assembly, lifting screw 12, sleeve pipe 14, drive disk assembly comprises uni-drive gear box 1 and is fixedly connected on the bearing block 5 of uni-drive gear box 1 lower end, in bearing block 5, there is bearing 2, lifting screw 12 tops are through bearing block 5, on the basis of the existing elevating feet technology that the master gear of bearing 2 and uni-drive gear box 1 consists of fastened by screw, on bearing block 5, be provided with spring fixed hole 4, below bearing block, there is damping sleeve 10, damping sleeve 10 axle center are that hexagon ring coordinates with lifting screw 12 top outer-hexagonals 11, both realize synchronous rotary.Damping sleeve 10 comprises damping conductor 9 and outer tube, between damping conductor 9 and outer tube, there is a spill gap, damping helical spring 7 is placed on having in spill gap between damping conductor 9 and outer tube, the hand of spiral of damping helical spring 7 is consistent with the hand of spiral of lifting screw 12, have spring fixed handle 6 in damping helical spring 7 upper ends, spring fixed handle 6 is inserted in bearing block 5 upper spring fixing holes 4.Damping helical spring 7 inner diameters are slightly less than damping conductor 9 outer diameters, between damping conductor 9 outer walls and damping helical spring 7 inwalls, form sliding friction.The hand of spiral of the hand of spiral of damping helical spring 7 and lifting screw 12 is dextrad, damping sleeve 10 dextrad rotations, the inwall of damping helical spring 7 rubs with it, internal diameter becomes greatly more easily inserts, damping sleeve 10 left-handed rotations, the inwall of damping helical spring 7 rubs with it, and internal diameter diminishes, and it is large that the frictional resistance between damping sleeve 10 becomes, thereby play the effect that stops lifting screw 12 grades to glide.
As shown in Figure 2, a kind of elevating drive mechanism with 2 elevating feets of the present utility model, connecting rod 24 connects the pinion of the uni-drive gear box of elevating feet 21, elevating feet 22,25 1 of drive rods are connected on another pinion of uni-drive gear box of elevating feet 21, drive rod 25 other end connection of rotating handles 26, electronic control piece 23 is housed on connecting rod 24, and the motor of this electronic control piece 23 directly drive link 24 rotates.In the present embodiment, when the pinion that elevating feet 21 is connected with connecting rod 24 with elevating feet 22 is positioned at the same side of corresponding elevating feet, the hand of spiral of corresponding lifting screw is consistent, otherwise the hand of spiral of corresponding lifting screw is contrary.
As shown in Figure 3, a kind of elevating drive mechanism with 3 elevating feets of the present utility model, connecting rod 24 through expansion uni-drive gear box 27 from gear and connect elevating feet 21, the pinion of the uni-drive gear box of elevating feet 22, 25 1 of drive rods are connected on another pinion of uni-drive gear box of elevating feet 21, drive rod 25 other end connection of rotating handles 26, the master gear of expansion uni-drive gear box 27 connects connecting rod 28, the other end of connecting rod 28 connects the pinion of the uni-drive gear box of elevating feet 29, electronic control piece 23 is housed on connecting rod 24, the motor of this electronic control piece 23 directly drive link 24 rotates.In the present embodiment, the pinion that elevating feet 21 is connected with connecting rod 24 with elevating feet 22 is positioned at the left side of corresponding elevating feet, the pinion that elevating feet 29 is connected with connecting rod 28 be positioned at elevating feet 29 by expansion uni-drive gear box 27 1 sides, being positioned at by elevating feet 21 1 sides from gear of expansion uni-drive gear box 27, the hand of spiral of the lifting screw of three elevating feets is identical.Elevating feet also has other modes of fitting mutually with the hand of spiral of the connected mode of connecting rod and the lifting screw of elevating feet, does not enumerate.
As shown in Figure 4, a kind of different elevating drive mechanisms with 3 elevating feets of controlling that rotate that have of the present utility model, connecting rod 24 is through expansion uni-drive gear box 20, expansion uni-drive gear box 27 from gear and connect elevating feet 21, the pinion of the uni-drive gear box of elevating feet 22, 25 1 of drive rods are connected on the master gear of expansion uni-drive gear box 20, drive rod 25 other end connection of rotating handles 26, the master gear of expansion uni-drive gear box 27 connects connecting rod 28, the other end of connecting rod 28 connects the pinion of the uni-drive gear box of elevating feet 29, electronic control piece 23 is housed on connecting rod 24, the motor of this electronic control piece 23 directly drive link 24 rotates.In the present embodiment, the pinion that elevating feet 21 is connected with connecting rod 24 with elevating feet 22 is positioned at the left side of corresponding elevating feet, the pinion that elevating feet 29 is connected with connecting rod 28 be positioned at elevating feet 29 by expansion uni-drive gear box 27 1 sides, being positioned at by elevating feet 21 1 sides from gear of expansion uni-drive gear box 27, the hand of spiral of the lifting screw of three elevating feets is identical.Elevating feet also has other modes of fitting mutually with the hand of spiral of the connected mode of connecting rod and the lifting screw of elevating feet, does not enumerate.
As shown in Figure 5, another kind of the present utility model is with the elevating drive mechanism of 3 elevating feets, connecting rod 46 connects elevating feet 41, the pinion of the uni-drive gear box of elevating feet 42, 25 1 of drive rods are connected on another pinion of uni-drive gear box of elevating feet 41, drive rod 25 other end connection of rotating handles 26, another pinion on the uni-drive gear box 45 of elevating feet 42 and aforesaid pinion are 120 degree and distribute and be connected by connecting rod 44 on a pinion on the uni-drive gear box of elevating feet 43, electronic control piece 23 is housed on connecting rod 46, the motor of this electronic control piece 23 directly drive link 46 rotates.In the present embodiment, the pinion that elevating feet 41 is connected with connecting rod 46 with elevating feet 42 is positioned at the left side of corresponding elevating feet, the pinion that elevating feet 43 is connected with connecting rod 44 is positioned at the left side of elevating feet 43, and the hand of spiral of the lifting screw of three elevating feets is identical.Elevating feet also has other modes of fitting mutually with the hand of spiral of the connected mode of connecting rod and the lifting screw of elevating feet, does not enumerate.
As shown in Figure 6, a kind of elevating drive mechanism with 4 elevating feets of the present utility model, connecting rod 58 connects elevating feet 51 through expansion uni-drive gear box 55 from gear, the pinion of the uni-drive gear box of elevating feet 52, connecting rod 58 extends one section for drive rod 25 through the pinion of the uni-drive gear box of elevating feet 52, drive rod 25 other end connection of rotating handles 26, separately there is connecting rod 56 to connect elevating feet 53 through another expansion uni-drive gear box 55 from gear, the pinion of the uni-drive gear box of elevating feet 53, between the master gear of two expansion uni-drive gear boxes 55, connect by connecting rod 57, electronic control piece 23 is housed on connecting rod 57, the motor of this electronic control piece 23 directly drive link 57 rotates.In the present embodiment, the pinion that elevating feet 51, elevating feet 52, elevating feet 53 are connected with each respective link with elevating feet 54 is positioned at the homonymy of corresponding elevating feet, expand the contrary from gear orientation of uni-drive gear boxes 55 for two, the hand of spiral of the lifting screw of four elevating feets is identical.Elevating feet also has other modes of fitting mutually with the hand of spiral of the connected mode of connecting rod and the lifting screw of elevating feet, does not enumerate.
Finally, it is also to be noted that, what more than enumerate is only specific embodiment of the utility model.Obviously, the utility model is not limited to above examples of implementation, can also have many distortion.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model, all should think protection domain of the present utility model.
Claims (10)
1. an elevating feet, comprises drive disk assembly, lifting screw, sleeve pipe, and the master gear of drive disk assembly is fixedly connected with lifting screw top, and lifting screw coordinates with rotation of sleeve, it is characterized in that, between lifting screw and drive disk assembly, is provided with anti-down slide device.
2. elevating feet according to claim 1, it is characterized in that, described anti-down slide device is helical spring damping unit, comprise damping helical spring and damping sleeve, described damping sleeve is fixedly connected on lifting screw top, drive disk assembly below, described damping sleeve comprises damping conductor and outer tube, between damping conductor and outer tube, there is a spill gap, described damping helical spring is placed on having in spill gap between damping conductor and outer tube, between described damping conductor outer wall and damping helical spring inwall, form sliding friction, the helical spring hand of spiral of described damping is consistent with the hand of spiral of lifting screw, described damping helical spring upper end is provided with spring fixed handle, described spring fixed handle relative positioning is in drive disk assembly.
3. elevating feet according to claim 2, it is characterized in that, described drive disk assembly comprises uni-drive gear box and is fixedly connected on the bearing block of uni-drive gear box lower end, described bearing block is provided with the spring fixed hole coordinating with spring fixed handle, and described spring fixed handle is inserted in the spring fixed hole on described bearing block.
4. elevating feet according to claim 2, is characterized in that, described damping sleeve axle center is hexagon ring, described lifting screw top is outer-hexagonal bar, damping sleeve is sleeved on the outer-hexagonal bar of lifting screw top by axle center hexagon ring, and coordinates with it, and both realize synchronous rotary.
5. one kind comprises in claim 1 to 4 elevating drive mechanism of elevating feet described in any one, it is characterized in that, at least comprise two or more elevating feets, between described drive disk assembly, carry out UNICOM by connecting rod, at least on a connecting rod or drive disk assembly, be provided with rotation controling piece, the hand of spiral of the lifting screw on described elevating feet adapts with the connected mode between connecting rod and drive disk assembly, makes rotation controling piece can control the synchronization lifting of all elevating feets.
6. elevating drive mechanism according to claim 5, is characterized in that, the quantity from gear of described drive disk assembly adapts with quantity and the distributing position of elevating feet with distribution.
7. elevating drive mechanism according to claim 5, it is characterized in that, between described connecting rod, connect by expansion drive disk assembly, described expansion drive disk assembly has a master gear and a pinion, master gear connects one end of connecting rod, runs through another root connecting rod in the middle of pinion.
8. elevating drive mechanism according to claim 5, is characterized in that, described rotation controling piece is electronic control piece, comprises the motor of drive link rotation and the console of control motor steering and speed.
9. elevating drive mechanism according to claim 5, is characterized in that, described rotation controling piece is manual control piece, comprises the drive rod of connection for transmission parts pinion, and described drive rod end is provided with turning handle.
10. elevating drive mechanism according to claim 5, it is characterized in that, described rotation controling piece is manual control piece, comprise the expansion drive disk assembly being connected on connecting rod, described expansion drive disk assembly has a master gear and a pinion, master gear connects the termination of drive rod, and connecting rod runs through in the middle of pinion, and described drive rod end is provided with turning handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014901.1U CN203646807U (en) | 2014-01-10 | 2014-01-10 | Lifting supporting leg and lifting transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014901.1U CN203646807U (en) | 2014-01-10 | 2014-01-10 | Lifting supporting leg and lifting transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203646807U true CN203646807U (en) | 2014-06-18 |
Family
ID=50913258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014901.1U Expired - Lifetime CN203646807U (en) | 2014-01-10 | 2014-01-10 | Lifting supporting leg and lifting transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203646807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104872994A (en) * | 2015-05-29 | 2015-09-02 | 杭州德昌五金家具有限公司 | Electric lifting device |
| CN106263513A (en) * | 2016-08-31 | 2017-01-04 | 宁波汇五洲智能科技有限公司 | A kind of lifting desk |
-
2014
- 2014-01-10 CN CN201420014901.1U patent/CN203646807U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104872994A (en) * | 2015-05-29 | 2015-09-02 | 杭州德昌五金家具有限公司 | Electric lifting device |
| CN106263513A (en) * | 2016-08-31 | 2017-01-04 | 宁波汇五洲智能科技有限公司 | A kind of lifting desk |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201840028U (en) | Two-way spiral lifting flap table | |
| CN202775011U (en) | Lift type desk | |
| CN202739201U (en) | Hand-operated lifting table for calligraphy | |
| CN203646807U (en) | Lifting supporting leg and lifting transmission mechanism | |
| CN106263556A (en) | Computer desk height adjustment mechanism | |
| US12022945B2 (en) | Convertible table | |
| CN201210973Y (en) | Lifting desk | |
| CN203986761U (en) | Computer major note computer desk | |
| CN203168365U (en) | Hand-driven lifting desk | |
| CN101301144A (en) | Lift desk | |
| CN107713375A (en) | A kind of adjustable student's desk of table | |
| CN201700667U (en) | Multifunctional foldable desk | |
| CN201630555U (en) | free height table | |
| CN202262630U (en) | Gear-driven stepless lifting desk and chair | |
| CN104188350A (en) | Multi-degree-of-freedom intelligent leveling and lifting mechanical device for office table | |
| CN202222735U (en) | Multifunctional study desk | |
| CN104045023A (en) | Mechanical hanging workbench freedom degree adjusting mechanism | |
| CN204682892U (en) | A kind of Multifunctional foldable desk | |
| CN204363308U (en) | A kind of Adjustable desk | |
| CN201515808U (en) | Lifting table | |
| CN205306274U (en) | Student uses multifunctional desk | |
| CN104757786B (en) | A kind of teaching desk | |
| CN219108919U (en) | Novel three-section liftable desk | |
| CN205125458U (en) | Height -adjustable desk | |
| CN203182348U (en) | Book-end type desk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HANGZHOU DECHANG HARDWARE & FURNITURE CO.,LTD. Assignor: Chen Dechang Contract record no.: 2015330000070 Denomination of utility model: Lifting supporting leg and lifting transmission mechanism Granted publication date: 20140618 License type: Exclusive License Record date: 20150420 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |