CN107594882A - The lowering or hoisting gear of double-legged same table and the same table containing the lowering or hoisting gear - Google Patents
The lowering or hoisting gear of double-legged same table and the same table containing the lowering or hoisting gear Download PDFInfo
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- CN107594882A CN107594882A CN201710953420.5A CN201710953420A CN107594882A CN 107594882 A CN107594882 A CN 107594882A CN 201710953420 A CN201710953420 A CN 201710953420A CN 107594882 A CN107594882 A CN 107594882A
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- Prior art keywords
- lowering
- hoisting gear
- legged
- double
- same table
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Tables And Desks Characterized By Structural Shape (AREA)
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Abstract
The invention discloses a kind of lowering or hoisting gear of double-legged same table and the same table containing the lowering or hoisting gear, the lowering or hoisting gear include two screw mandrels be threadedly coupled respectively with two table legs of double-legged same table, be respectively arranged with the top of the screw mandrel first angular wheel, one be provided with externally threaded power transmission shaft, the gas spring that the transmission connection piece that is threadedly coupled with the power transmission shaft and the power transmission shaft be arranged in parallel and the drive mechanism for driving gas spring action；The piston rod end of the gas spring is connected with the transmission connection piece；The both ends of the drive shaft is coaxially connected with second angular wheel respectively；Second angular wheel engages with first angular wheel of homonymy；The same table includes lowering or hoisting gear, table and the table support frame being connected respectively with the table, lowering or hoisting gear, and the table support frame includes the left and right support of slidable connection.The present invention is not required to cloth circuits and just solves the problems, such as to lift synchronism and adapt to different size table installations.
Description
Technical field
The present invention relates to desk and its accessories field, the lowering or hoisting gear of more particularly to a kind of double-legged same table and containing the lifting
The same table of device.
Background technology
Same table species is various in the prior art, such as the hand-operated lifting table of manual adjustment height of table top, is setting table
Elevating lever is compressed by screwing bolts after the height of face, with desktop position of having good positioning, but is seen entirely by eyesight during regulation
Examine, it is difficult to ensure that desktop is in level, increase regulation difficulty, spend more time.To solve this problem, develop a kind of automatic
Same table, by being respectively provided with gas spring in double table legs, by controlling the flexible of gas spring to realize that desktop lifts, but there is
Lift synchronous sex chromosome mosaicism.
With the progress of science and technology, the high speed development of automatic technology, existing electric elevatable table comes out.Electric elevatable table is being controlled
System and operating aspect are all very easy, are stopped by motor control to start lifting and braking.Existing electric elevatable table is each
Table leg is separately provided elevating motor, coordinates screw structure to reach the purpose of desktop lifting, but the performance of motor is not
May be completely the same, it is also variant in terms of service life, and there is noise problem.If occurring in which or whole lifting electrics
Machine fails, and does not ensure that desktop is horizontal, lifting is synchronous, or even same table cannot be lifted effectively.
The patent of invention of domestic Application No. 201510819777.5 discloses a kind of electric elevatable table, passes through Double shaft-extension
The operating of motor drives screw mandrel lifting, to ensure that the tensile strain rate of each table leg is consistent, save elevating mechanism space-consuming.But
Be there are still noise is big, same table assembling is complicated, can not adapt to the problems such as different size tables installations, motor radiating, and
Electric energy is extremely relied on, if assembled batteries, Double shaft-extension motor heat dissipation problem is considered, motor and battery can be added again
Installing space and supporting line system, and for controlling the wireless signal receiver of motor action, cause electronic liter
It is complicated that table structure drops, and cost greatly increases, and the placement space of motor becomes more miscellaneous and disturbs no chapter.Radiating sex chromosome mosaicism does not have in addition
Handle well, motor life is greatly reduced.
It can be seen that prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of lifting of double-legged same table dress
Put and the same table containing the lowering or hoisting gear, structure are simplified attractive in appearance, it is not necessary to arrange forceful electric power circuit and signal transmission system, it is intended to solve
Certainly in the prior art desktop lifting synchronism, the big problem of noise, extend same table service life, simplify same table assembling work
Make, and be adapted to different size table installations, to expand the scope of application of lowering or hoisting gear.
In order to achieve the above object, this invention takes following technical scheme：
A kind of lowering or hoisting gear of double-legged same table, including two liftings being threadedly coupled respectively with two table legs of double-legged same table
Screw mandrel, first angular wheel is respectively arranged with the top of each screw mandrel, except this is also provided with outer spiral shell including one
The power transmission shaft of line, the transmission connection piece being threadedly coupled with the power transmission shaft, the gas spring being be arranged in parallel with the power transmission shaft, and be used for
The drive mechanism of driving gas spring action；The piston rod end of the gas spring is connected with the transmission connection piece；The transmission
The both ends of axle are coaxially connected with second angular wheel respectively；Described the first of each second angular wheel and homonymy
Angular wheel engages.
The lowering or hoisting gear of described double-legged same table, in addition to the guide rod being be arranged in parallel with the power transmission shaft；The guide rod
It is arranged in the transmission connection piece.
In the lowering or hoisting gear of described double-legged same table, the power transmission shaft include be in same axis threaded shaft,
First drive link and the second drive link, the both ends of the threaded shaft are detachably connected with the first drive link, successively respectively
Two drive links, and be threadedly coupled with the transmission connection piece, second drive link is connected with second angular wheel.
The lowering or hoisting gear of described double-legged same table, in addition to transmission storehouse；Being internally provided with for storehouse of transmission is sheathed on
The hollow shaft of the interior hexagonal of second drive link, the hollow shaft is coaxially integrally formed with second angular wheel, and axle
Hold and be installed on the transmission storehouse.
The lowering or hoisting gear of described double-legged same table, in addition to table support frame, the housing that is connected with table support frame；Institute
Stating table support frame includes left and right support, and the left socle includes left cross bar and left vertical hack lever, and the right support includes right horizontal stroke
Hack lever and right vertical hack lever, the right vertical hack lever are sheathed on left vertical hack lever；The table support frame is fixedly connected with the transmission storehouse,
The inside of the housing is provided with the threaded shaft and the gas spring.
In the lowering or hoisting gear of described double-legged same table, the side of the right vertical hack lever, which is provided with, is easy to bolt to screw in compression
The screwed hole of the vertical hack lever in a left side.
In the lowering or hoisting gear of described double-legged same table, the drive mechanism is opened for the bracing wire for driving gas spring action
Close, the pullswitch also includes the regulation handle being connected with bracing wire.
In the lowering or hoisting gear of described double-legged same table, the screw mandrel periphery is provided with the sleeve of protection, the sleeve
It is sheathed on the table leg of the double-legged same table.
On the other hand, present invention also offers a kind of same table, including table, table leg, the liter of double-legged same table is included
Falling unit；The table support frame bolt connection of the table and the lowering or hoisting gear, the screw mandrel are threadedly coupled with table leg.
Beneficial effect：
The invention provides a kind of lowering or hoisting gear of double-legged same table, solves the synchronization of desktop lifting in the prior art well
Property, the problem of noise is big, extend same table service life, simplify the assembly working of same table, and be adapted to different size tables
Plate is installed, to expand the scope of application of lowering or hoisting gear.The present invention controls the action of gas spring by drive mechanism, so as to driving
If threaded power transmission shaft rotation, then the first angular wheel by being engaged with the second angular wheel rise come drive screw is synchronous
Drop, solve the problems, such as to lift big synchronism, noise, maintenance of motor and in terms of the life-span.Table support frame is divided into two, left,
Right support slidable connection, meanwhile, power transmission shaft is divided into three parts --- threaded shaft, the first drive link, the second drive link, it
Between be detachably connected, and the second drive link is arranged in the first drive link and hollow shaft, finally realizes the transverse direction of lowering or hoisting gear
It is flexible, install to form double-legged same table to adapt to various sizes of table, and assembling is simple easy.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the lowering or hoisting gear of double-legged same table provided by the invention.
Fig. 2 is the enlarged diagram of a-quadrant in Fig. 1.
Fig. 3 is the connection diagram of power transmission shaft and gas spring in the lowering or hoisting gear of double-legged same table provided by the invention.
Fig. 4 is the connection diagram of gas spring and pullswitch in the lowering or hoisting gear of double-legged same table provided by the invention.
Fig. 5 is the cut-away view that storehouse is driven in the lowering or hoisting gear of double-legged same table provided by the invention.
Fig. 6 is the structural representation of table support frame in the lowering or hoisting gear of double-legged same table provided by the invention.
Embodiment
The present invention provides a kind of lowering or hoisting gear of double-legged same table and the same table containing the lowering or hoisting gear, to make the present invention's
Purpose, technical scheme and effect are clearer, clear and definite, the embodiment that develops simultaneously referring to the drawings to the present invention further specifically
It is bright.It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
In the description of the invention, it is to be understood that term "left", "right", " interior ", " outer ", " horizontal stroke ", " vertical " etc. indicate
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification retouched
State.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are referred to, the present invention provides a kind of lowering or hoisting gear of double-legged same table, its structure
Include the screw mandrel 5 of two liftings being threadedly coupled respectively with two table legs 1 of double-legged same table, the top of each screw mandrel 5
First angular wheel 51 is not provided with, in addition to one is provided with externally threaded power transmission shaft 45, connects with the screw thread of power transmission shaft 45
The transmission connection piece 42 connect, the gas spring 44 being be arranged in parallel with the power transmission shaft 45, and the drive for driving gas spring 44 to act
Motivation structure 41；The end of piston rod 441 of gas spring 44 is connected with transmission connection piece 42；The both ends of power transmission shaft 45 coaxially connect respectively
It is connected to second angular wheel 31；Each second angular wheel 31 engages with the first angular wheel 51 of homonymy.
As shown in Figure 2 and Figure 3, lowering or hoisting gear also includes the guide rod 6 being be arranged in parallel with power transmission shaft 45；Guide rod 6 is arranged in transmission
Connector 42.Under the support and guide effect of guide rod 6, gas spring 44, which can more be stablized, swimmingly to be moved back and forth, and is reduced
The active force of transmission connection piece 42 suffered by piston rod 441.
As shown in Fig. 3, Fig. 5, further, the threaded shaft 451, first that power transmission shaft 45 includes being in same axis passes
The drive link 453 of lever 452 and second, the both ends of threaded shaft 451 be detachably connected with successively respectively the first drive link 452,
Second drive link 453, and be threadedly coupled with transmission connection piece 42, the second drive link 453 is connected with second angular wheel 31.
Threaded shaft 451 is driven to rotate by transmission connection piece 42 when gas spring 44 extends, connected first drive link
452nd, therefore the second drive link 453 rotates, the second angular wheel 31 and the first conical tooth being connected with the second drive link 453
The engagement of wheel 51 carrys out drive screw 5 and moved up and down.Because the both ends of power transmission shaft 45 are connected with the second angular wheel 31, therefore can lead to
The operation of mechanism of overdriving 41, while drive the screw mandrel 5 set in two table legs 1 to move up and down, realize that table leg tensile strain rate is consistent.
As shown in Fig. 3, Fig. 5, further, lowering or hoisting gear also includes transmission storehouse 3；Being internally provided with for storehouse 3 of transmission is arranged
In the hollow shaft 32 of the interior hexagonal of the second drive link 453, hollow shaft 32 is coaxially integrally formed with the second angular wheel 31, and bearing
It is installed on transmission storehouse 3.And using set between threaded shaft 451, the first drive link 452, the second drive link 453, hollow shaft 32
Mode is connect to establish transmission mechanism, quick assembling, the purpose of dismounting can be reached, is easy to the logistics transportation of high-volume same table,
Cater to very much current electric business era development situation, and the design method of interior hexagonal, it is possible to increase connection, transmission effect.
As shown in Fig. 1, Fig. 3 and Fig. 6, further, lowering or hoisting gear also includes table support frame 2, connected with table support frame 2
The housing 43 connect；Table support frame 2 includes left and right support, and left socle includes left cross bar 211 and left vertical hack lever 212, right support
Including right cross bar 221 and right vertical hack lever 222, the vertical hack lever 222 in the right side is sheathed on left vertical hack lever 212；Table support frame 2 and transmission storehouse
3 are fixedly connected, and the inside of housing 43 is provided with threaded shaft 451 and gas spring 44.The vertical hack lever 212 in a left side can be relative to the vertical hack lever in the right side
222 alternating translationals, to adjust the length of lowering or hoisting gear, the table installation of different length size is adapted to, can be carried out large-scale
Production.
Further, the side of right vertical hack lever 222, which is provided with, is easy to bolt to screw in the screwed hole for compressing left vertical hack lever 212
（Not shown in figure）.Screwed in by bolt, hold out against left vertical hack lever 212, avoid it from moving left and right.
As shown in figure 3, further, drive mechanism 41 is for the pullswitch 441 for driving gas spring 44 to act, bracing wire
Switch 441 also includes the regulation handle 412 being connected with bracing wire.Regulation handle 412 is fixedly mounted on desktop bottom, is easy to people manual
412 automatic table top height adjusting of handle is controlled to adjust, to meet its requirement.Moreover, in operating process, reflection is rapid, and nothing is made an uproar
Sound influences, and lifting is steady, it can be ensured that desktop is in horizontality.
As shown in figure 1, further, the periphery of screw mandrel 5 is provided with the sleeve 7 of protection, sleeve 7 is sheathed on double-legged same table
Table leg 1.Sleeve 7 can protect screw mandrel 5 from external influence, avoid because leftover doping wherein and caused by screw mandrel 5 can not be suitable
Smooth movement even blocks failure.
On the other hand, the present invention also provides a kind of same table, and table is fixedly connected with table support frame 2 with bolt, and
Pullswitch 441 is fixed under table, the screw mandrel 5 of lowering or hoisting gear and table leg 1 are threadably connected.The same table knot
Structure is simple, easy to manufacture, it is possible to achieve the synchronous steady lifting of desktop, and the dependence to electric energy has been broken away from, save heavy electricity
Motivation and supporting line system, signal transmission system, without motor noise, maintenance and heat dissipation problem is worried, meet people
To the demand of same table.
In summary, the invention provides a kind of lowering or hoisting gear of double-legged same table, solve well in the prior art
The synchronism of desktop lifting, the problem of noise is big, extend same table service life, simplify the assembly working of same table, and can be with
Different size table installations are adapted to, to expand the scope of application of lowering or hoisting gear.The present invention controls gas spring by drive mechanism
Action, set threaded power transmission shaft so as to driving and rotate, then the first angular wheel by being engaged with the second angular wheel come
Drive screw synchronization lifting, solve the problems, such as to lift big synchronism, noise, maintenance of motor and in terms of the life-span.Table is supported
Frame is divided into two, left and right support slidable connection, meanwhile, power transmission shaft is divided into three parts --- threaded shaft, the first transmission
Bar, the second drive link, it is detachably connected between them, and the second drive link is arranged in the first drive link and hollow shaft, it is final real
The transversal stretching of existing lowering or hoisting gear, installs to form double-legged same table to adapt to various sizes of table, and assembling is simple easy.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (9)
1. a kind of lowering or hoisting gear of double-legged same table, including two liters being threadedly coupled respectively with two table legs of double-legged same table
The screw mandrel of drop, first angular wheel is respectively arranged with the top of each screw mandrel, it is characterised in that also including one
Provided with externally threaded power transmission shaft, the transmission connection piece being threadedly coupled with the power transmission shaft, the gas spring being be arranged in parallel with the power transmission shaft,
And the drive mechanism for driving gas spring action；The piston rod end of the gas spring is connected with the transmission connection piece；
The both ends of the power transmission shaft are coaxially connected with second angular wheel respectively；Each second angular wheel and homonymy
The first angular wheel engagement.
2. the lowering or hoisting gear of double-legged same table according to claim 1, it is characterised in that also include putting down with the power transmission shaft
The guide rod that row is set；The guide rod is arranged in the transmission connection piece.
3. the lowering or hoisting gear of double-legged same table according to claim 1, it is characterised in that the power transmission shaft includes being in
The threaded shaft of same axis, the first drive link and the second drive link, the both ends of the threaded shaft are distinguished successively removably
The first drive link, the second drive link are connected with, and is threadedly coupled with the transmission connection piece, second drive link is connected with one
Individual second angular wheel.
4. the lowering or hoisting gear of double-legged same table according to claim 3, it is characterised in that also include transmission storehouse；The biography
The hollow shaft for being internally provided with the interior hexagonal for being sheathed on second drive link in dynamic storehouse, the hollow shaft and second taper
Gear is coaxially integrally formed, and bearing is installed on the transmission storehouse.
5. the lowering or hoisting gear of double-legged same table according to claim 4, it is characterised in that also including table support frame, with
The housing of table support frame connection；The table support frame includes left and right support, and the left socle includes left cross bar and a left side is indulged
Hack lever, the right support include right cross bar and right vertical hack lever, and the right vertical hack lever is sheathed on left vertical hack lever；The table support
Frame is fixedly connected with the transmission storehouse, and the inside of the housing is provided with the threaded shaft and the gas spring.
6. the lowering or hoisting gear of double-legged same table according to claim 5, it is characterised in that the side of the right vertical hack lever is set
It is equipped with and is easy to bolt to screw in the screwed hole for compressing left vertical hack lever.
7. the lowering or hoisting gear of double-legged same table according to claim 6, it is characterised in that the drive mechanism is for driving
Take offence the pullswitch of spring action, the pullswitch also includes the regulation handle being connected with bracing wire.
8. the lowering or hoisting gear of double-legged same table according to claim 1, it is characterised in that the screw mandrel periphery is provided with guarantor
The sleeve of shield, the sleeve are sheathed on the table leg of the double-legged same table.
9. a kind of same table, including table, table leg, it is characterised in that also include the both feet lifting as described in claim 5 or 6
The lowering or hoisting gear of table；The table support frame bolt connection of the table and the lowering or hoisting gear, the screw mandrel connect with table leg screw thread
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953420.5A CN107594882B (en) | 2017-10-13 | 2017-10-13 | Lifting device of double-foot lifting table and lifting table comprising lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953420.5A CN107594882B (en) | 2017-10-13 | 2017-10-13 | Lifting device of double-foot lifting table and lifting table comprising lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107594882A true CN107594882A (en) | 2018-01-19 |
| CN107594882B CN107594882B (en) | 2023-08-08 |
Family
ID=61077731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710953420.5A Active CN107594882B (en) | 2017-10-13 | 2017-10-13 | Lifting device of double-foot lifting table and lifting table comprising lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107594882B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209146A (en) * | 2018-02-26 | 2018-06-29 | 杭州德昌五金家具有限公司 | Column folds transmission mechanism and Motorized lift device |
| CN108497693A (en) * | 2018-05-31 | 2018-09-07 | 浙江万胜金属结构有限公司 | Same table |
| CN108497694A (en) * | 2018-04-11 | 2018-09-07 | 苏州根特工业设备有限公司 | The pneumatic toothrow same table of both legs |
| CN108741625A (en) * | 2018-06-28 | 2018-11-06 | 浙江乐歌智能驱动科技有限公司 | A kind of rotary booster engine structure and its same table of application |
| CN108851583A (en) * | 2018-09-13 | 2018-11-23 | 江苏天泽教育咨询有限公司 | A kind of liftable student desk |
| CN108991727A (en) * | 2018-08-28 | 2018-12-14 | 乐歌人体工学科技股份有限公司 | The lifting device of same table |
| CN109237260A (en) * | 2018-10-30 | 2019-01-18 | 江苏鼎驰电子科技有限公司 | A kind of adjustable recorded broadcast server apparatus |
| CN109984457A (en) * | 2019-03-18 | 2019-07-09 | 宁波海仕凯驱动科技有限公司 | A kind of inclination table leg formula same table |
| WO2020041943A1 (en) * | 2018-08-27 | 2020-03-05 | 浙江捷昌线性驱动科技股份有限公司 | Rapidly assembled modular height-adjustable table and rapid assembly method therefor |
| CN111109845A (en) * | 2019-10-24 | 2020-05-08 | 浙江捷昌线性驱动科技股份有限公司 | Automatic upset telescopic table frame and desk |
| CN111870025A (en) * | 2020-09-07 | 2020-11-03 | 浙江工贸职业技术学院 | Manual lifting table |
| CN112790507A (en) * | 2020-11-30 | 2021-05-14 | 江苏捷尔特智能气动系统有限公司 | Support rod locking mechanism and lifting table |
| CN114009927A (en) * | 2021-11-02 | 2022-02-08 | 广州市百利文仪实业有限公司 | Liftable table |
| WO2024032826A1 (en) * | 2022-08-12 | 2024-02-15 | 南通市久正人体工学股份有限公司 | Electric height-adjustable desk |
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| CN108209146A (en) * | 2018-02-26 | 2018-06-29 | 杭州德昌五金家具有限公司 | Column folds transmission mechanism and Motorized lift device |
| CN108209146B (en) * | 2018-02-26 | 2024-05-17 | 杭州德昌五金家具有限公司 | Upright folding transmission mechanism and electric lifting device |
| CN108497694A (en) * | 2018-04-11 | 2018-09-07 | 苏州根特工业设备有限公司 | The pneumatic toothrow same table of both legs |
| CN108497693A (en) * | 2018-05-31 | 2018-09-07 | 浙江万胜金属结构有限公司 | Same table |
| CN108741625A (en) * | 2018-06-28 | 2018-11-06 | 浙江乐歌智能驱动科技有限公司 | A kind of rotary booster engine structure and its same table of application |
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| CN108991727B (en) * | 2018-08-28 | 2023-11-28 | 乐歌人体工学科技股份有限公司 | Lifting device of lifting table |
| CN108851583A (en) * | 2018-09-13 | 2018-11-23 | 江苏天泽教育咨询有限公司 | A kind of liftable student desk |
| CN109237260A (en) * | 2018-10-30 | 2019-01-18 | 江苏鼎驰电子科技有限公司 | A kind of adjustable recorded broadcast server apparatus |
| CN109984457A (en) * | 2019-03-18 | 2019-07-09 | 宁波海仕凯驱动科技有限公司 | A kind of inclination table leg formula same table |
| CN111109845A (en) * | 2019-10-24 | 2020-05-08 | 浙江捷昌线性驱动科技股份有限公司 | Automatic upset telescopic table frame and desk |
| CN111870025A (en) * | 2020-09-07 | 2020-11-03 | 浙江工贸职业技术学院 | Manual lifting table |
| CN112790507A (en) * | 2020-11-30 | 2021-05-14 | 江苏捷尔特智能气动系统有限公司 | Support rod locking mechanism and lifting table |
| CN114009927A (en) * | 2021-11-02 | 2022-02-08 | 广州市百利文仪实业有限公司 | Liftable table |
| WO2024032826A1 (en) * | 2022-08-12 | 2024-02-15 | 南通市久正人体工学股份有限公司 | Electric height-adjustable desk |
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| CN107594882B (en) | 2023-08-08 |
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