CN112096814B - A linear transmission assembly and lifting table legs using the same - Google Patents
A linear transmission assembly and lifting table legs using the sameInfo
- Publication number
- CN112096814B CN112096814B CN202011051717.0A CN202011051717A CN112096814B CN 112096814 B CN112096814 B CN 112096814B CN 202011051717 A CN202011051717 A CN 202011051717A CN 112096814 B CN112096814 B CN 112096814B
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- CN
- China
- Prior art keywords
- transmission
- tube
- nut
- transmission tube
- linear
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/04—Tables with tops of variable height with vertical spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0051—Telescopic
- A47B2200/0054—Telescopic with three telescopic parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
- A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2075—Coaxial drive motors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
本发明公开了一种线性传动总成及其应用的升降桌腿，它包括与驱动机构传动连接的第一传动管；第一传动螺母，与第一传动管连接；第二传动管，套设在第一传动管和第一传动螺母的外侧，该第二传动管可与第一传动管同步旋转且第二传动管相对于第一传动管可沿轴向滑动产生位移；第二传动螺母，与第二传动管连接；第三传动管，间隙配合在第一传动管内，其外侧壁上设有外螺纹且与第一传动螺母螺纹连接；丝杠，其以固定的方式设置于第三传动管内，且丝杠与第二传动螺母螺纹连接，第三传动管相对于丝杠可沿轴向滑动且周向限位。该线性传动总成及其应用的升降桌腿能使升降桌腿的行程增大，满足人们对升降桌腿行程最大化需求，且结构简单。
The present invention discloses a linear transmission assembly and a lifting table leg used therein, which includes a first transmission tube connected to a driving mechanism; a first transmission nut connected to the first transmission tube; a second transmission tube sleeved on the outside of the first transmission tube and the first transmission nut, wherein the second transmission tube can rotate synchronously with the first transmission tube and the second transmission tube can slide axially relative to the first transmission tube to generate displacement; a second transmission nut connected to the second transmission tube; a third transmission tube with a clearance fit in the first transmission tube, an outer wall of which is provided with an external thread and is threadedly connected to the first transmission nut; a lead screw fixedly arranged in the third transmission tube, the lead screw being threadedly connected to the second transmission nut, the third transmission tube being axially slidable relative to the lead screw and circumferentially limited. The linear transmission assembly and the lifting table leg used therein can increase the travel of the lifting table leg, meet people's demand for maximizing the travel of the lifting table leg, and have a simple structure.
Description
Technical Field
The invention relates to the technical field of mechanical transmission devices, in particular to a linear transmission assembly and a lifting table leg applied by the same.
Background
The lifting table leg is widely applied to intelligent office equipment such as electric lifting tables, electric lifting platforms and the like and applied to the fields of medical equipment and the like, the structure of the lifting table leg in the prior art generally comprises a driving mechanism, an inner pipe, a middle pipe and an outer pipe which are mutually nested and can relatively move and stretch, the upper end of the inner pipe is connected with a shell of the driving mechanism, the lower end of the outer pipe is in contact with the ground, a linear transmission assembly is arranged in the inner pipe, the linear transmission assembly comprises a square supporting pipe, a first base is connected in an inner hole at the upper end of the supporting pipe, a lead screw is connected in a center hole of the first base in a threaded manner, the first base and the supporting pipe are in threaded connection along the length direction of the lead screw under the rotation of the lead screw, a square pipe sleeved on the lead screw is matched in the supporting pipe in a sliding manner, the square pipe is connected with the lower end of the square pipe through a connecting plate, a second base is connected in the inner hole of the square pipe, the threaded pipe is sleeved on the threaded hole of the second base, the threaded pipe and synchronously rotates, the threaded pipe and the pipe can slide relatively, the driving mechanism drives the supporting pipe to rotate, so that the supporting pipe and the supporting pipe can move along the length of the lead screw and the lead screw along with the maximum axial direction of the lead screw, and the maximum movement of the linear transmission assembly can be realized, and the lifting table can move along the length of the lead screw and the maximum lifting assembly can move along with the length of the lead screw and the maximum leg, and the maximum lifting requirement can also realize the relative movement along the length and the axial movement and the long-line, how to provide a linear transmission assembly capable of maximizing the travel of the lifting table leg is a technical problem to be solved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the linear transmission assembly which can increase the stroke of the lifting table leg, meet the maximum requirement of people on the stroke of the lifting table leg and has a simple structure.
The technical proposal of the invention is to provide a linear transmission assembly with the following structure, which comprises
A first drive tube in driving connection with the drive mechanism;
The first transmission nut is connected with the first transmission pipe and synchronously rotates along with the first transmission pipe;
The second transmission pipe is sleeved outside the first transmission pipe and the first transmission nut, can synchronously rotate with the first transmission pipe, and can axially slide relative to the first transmission pipe to generate displacement;
The second transmission nut is connected with the second transmission pipe and synchronously rotates along with the second transmission pipe;
the third transmission pipe is in clearance fit in the first transmission pipe, the outer side wall of the third transmission pipe is provided with external threads and is in threaded connection with the first transmission nut, the third transmission pipe and the second transmission nut are axially limited, the second transmission nut can rotate relative to the third transmission pipe, and the third transmission pipe can synchronously move along the axial direction along with the second transmission nut;
The screw rod is fixedly arranged in the third transmission tube and is in threaded connection with the second transmission nut, and the third transmission tube can slide along the axial direction and is limited in the circumferential direction relative to the screw rod.
Preferably, one end of the first transmission nut, which is close to the first transmission tube, is provided with a connecting part which is tightly matched with the inner hole of the first transmission tube, the outer side wall of the first transmission nut is provided with a plurality of first radial protruding blocks which are circumferentially distributed along the first transmission nut and axially extend along the first transmission nut, and the inner peripheral wall of the second transmission tube is provided with a first sliding groove which is matched with the first radial protruding blocks in a clamping manner and axially slides relatively.
Preferably, one end of the third transmission pipe, which is close to the second transmission nut, is connected with a bearing, and the bearing is connected in a containing hole of one end of the second transmission nut, which is close to the third transmission pipe.
Preferably, the outer side of the second transmission nut is sleeved with a support, the second transmission nut is rotatably connected in a central hole of the support, and the second transmission nut and the support are axially limited.
Preferably, the lower end of the screw rod is fixedly connected in the central hole of the bottom plate, the upper end of the screw rod is coaxially connected with a sliding block, a plurality of second radial protruding blocks which are circumferentially distributed along the sliding block and axially extend along the sliding block are arranged on the outer side wall of the sliding block, and a second sliding groove which is matched with the second radial protruding blocks in a clamping manner and axially slides relatively is arranged on the inner peripheral wall of the third driving tube.
Preferably, the first transmission pipe is close to a driving shaft in an inner hole at one end of the driving mechanism, and the driving shaft is coaxially connected with a rotating shaft of the driving mechanism.
Preferably, a limiting hole coaxial with the central hole is formed in the support, an annular convex wall is arranged on the outer side wall of the second transmission nut, and the annular convex wall is rotatably connected in the limiting hole.
After the structure is adopted, compared with the prior art, the linear transmission assembly has the advantages that the first transmission tube, the second transmission tube, the third transmission tube and the screw rod are matched to realize synchronous expansion or contraction, the driving mechanism drives the first transmission tube to rotate, the first transmission tube synchronously drives the first transmission nut, the second transmission tube and the second transmission nut to simultaneously rotate, the screw rod is in threaded connection with the third transmission tube, the screw rod is in threaded connection with the second transmission nut, the position of the screw rod is fixed, the third transmission tube and the screw rod are circumferentially limited and axially slide relatively, so that the third transmission tube axially slides relative to the first transmission tube, and the second transmission tube axially slides relative to the screw rod, and the linear transmission assembly is enabled to stretch; because the linear transmission assembly adopts the cooperation of the first transmission tube, the second transmission tube, the third transmission tube and the screw rod to realize synchronous expansion or contraction, the linear transmission assembly has a larger number of transmission pipes nested with each other, in other words, the stroke of the linear transmission assembly is larger, in other words, the first transmission tube, the second transmission tube, the third transmission tube and the screw rod of the linear transmission assembly have shorter integral length when the relative sliding is completely contracted, so that the stroke of the linear transmission assembly is larger, namely, compared with the linear transmission assembly in the prior art, the length of the linear transmission assembly in the complete contraction is far smaller than that of the linear transmission assembly in the prior art when the linear transmission assembly in the complete contraction is equal, the length of the linear transmission assembly in the fully unfolded state is far longer than that of the linear transmission assembly in the prior art, so that the stroke of the linear transmission assembly is larger. The linear transmission assembly is simple in structure, can increase the stroke of the lifting table leg, and meets the maximum requirement of people on the stroke of the lifting table leg. In addition, one end of the third transmission pipe, which is close to the second transmission nut, is connected with a bearing, and the bearing is connected in a containing hole of the second transmission nut, which is close to one end of the third transmission pipe, so that the third transmission pipe and the second transmission nut can relatively rotate and axially limit, and the third transmission pipe and the second transmission nut can synchronously move along the axial direction, and the stability and the consistency of the transmission are good.
The invention provides a lifting table leg with the following structure, which comprises a first vertical pipe, a second vertical pipe, a third vertical pipe and a shell, wherein the first vertical pipe, the second vertical pipe and the third vertical pipe are sequentially sleeved from inside to outside and can slide relatively, the shell is fixedly connected with the upper end of the first vertical pipe, a driving mechanism is arranged in the shell, and a linear transmission assembly is in transmission connection with the driving mechanism, the linear transmission assembly adopts the linear transmission assembly according to any one of the technical schemes, the second vertical pipe is connected with a second transmission nut, and the third vertical pipe is fixedly connected with a lead screw.
Preferably, the outer side of the second transmission nut is sleeved with a support, the second transmission nut is rotatably connected in a central hole of the support, the second transmission nut and the support are axially limited, and the inner wall of the second vertical pipe is fixedly connected with the outer side wall of the support.
Preferably, the lower end of the screw rod is fixedly connected in the central hole of the bottom plate, and the bottom plate is fixedly connected with the inner wall of the third vertical pipe.
Compared with the prior art, the lifting table leg has the advantages that the linear transmission assembly according to any one of the technical schemes is adopted, so that the stroke of the lifting table leg is increased, the maximum requirement of people on the stroke of the lifting table leg is met, and the lifting stability of the lifting table leg is good.
Drawings
FIG. 1 is a schematic diagram of a linear drive assembly according to the present invention.
FIG. 2 is a schematic illustration of a slider of a linear drive assembly according to the present invention.
FIG. 3 is a schematic cross-sectional view of a linear drive assembly of the present invention.
Fig. 4 is a schematic view of the structure of the lifting table leg of the present invention.
Fig. 5 is a schematic view of a first drive nut of a linear drive assembly according to the present invention.
Figure 6 is a schematic cross-sectional view of the lifting leg of the present invention.
As shown in the figure:
1. The device comprises a first driving pipe, 100, a driving shaft, 2, a second driving pipe, 3, a third driving pipe, 300, a mounting step, 301, a second sliding groove, 4, a lead screw, 400, a sliding block, 401, a second radial lug, 5, a first driving nut, 500, a connecting part, 501, a first radial lug, 6, a second driving nut, 600, a containing hole, 601, an annular convex wall, 7, a bearing, 8, a support, 800, a limiting hole, 9, a bottom plate, 10, a first vertical pipe, 1000, a second vertical pipe, 1001, a third vertical pipe, 11 and a shell.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
See fig. 1-3 and 5;
The invention discloses a linear transmission assembly, which is also called a linear driving mechanism, and is used for being installed in a lifting table leg and driving an inner pipe and an outer pipe of the lifting table leg to relatively stretch out and draw back. The driving mechanism comprises a shell 11 and a driving motor arranged in the shell 11, wherein a rotating shaft of the driving motor is coaxially connected with a driving shaft 100 and used for driving the driving shaft 100 and the first driving tube 1 to rotate, a first driving nut 5 is connected with the first driving tube 1 and synchronously rotates along with the first driving tube 1, a second driving tube 2 is sleeved outside the first driving tube 1 and the first driving nut 5, the second driving tube 2 can synchronously rotate with the first driving tube 1 and can axially slide relative to the first driving tube 1 to generate displacement, a second driving nut 6 is connected with the second driving tube 2 and synchronously rotates along with the second driving tube 2, a third driving tube 3 is in clearance fit in the first driving tube 1, an external thread is arranged on the outer side wall of the third driving tube 3 and is in threaded connection with the first driving nut 5, the third driving tube 3 and the second driving nut 6 are axially limited, the second driving tube 6 can rotate relative to the third driving tube 3 and can axially move along with the second driving nut 6 synchronously, and the second driving tube 4 is fixedly arranged in the driving tube 3 and axially slides relative to the driving screw 4 in a threaded manner. The linear transmission assembly adopts the cooperation of a first transmission tube 1, a second transmission tube 2, a third transmission tube 3 and a lead screw 4 to realize synchronous expansion or contraction, a driving mechanism drives the first transmission tube 1 to rotate, the first transmission tube 1 synchronously drives a first transmission nut 5, a second transmission tube 2 and a second transmission nut 6 to rotate simultaneously, the lead screw 5 is in threaded connection with the second transmission nut 6 due to the threaded connection of the first transmission nut 5 and the third transmission tube 3, the lead screw 4 is fixed in position, the third transmission tube 3 and the lead screw 4 are limited in the circumferential direction and slide relatively in the axial direction, thus the axial sliding of the third transmission tube 3 relative to the first transmission tube 1 and the axial sliding of the second transmission tube 2 relative to the lead screw 4 are realized, so that the linear transmission assembly stretches and contracts, and the linear transmission assembly adopts the first transmission tube 1, The second transmission tube 2, the third transmission tube 3, the screw rod 4, the first transmission nut 5 and the second transmission nut 6 are matched to realize synchronous expansion or contraction, the number of the transmission pipes of which the linear transmission assemblies are nested with each other is large, so that the stroke of the linear transmission assemblies is large, in other words, in the alternative, a first driving tube, a second driving tube, a first driving, the length of the third transmission tube and the screw rod is shorter when the relative sliding is completely contracted, so that the stroke of the linear transmission assembly is larger, namely, compared with the linear transmission assembly in the prior art, the length of the linear transmission assembly in the complete contraction is far smaller than that of the linear transmission assembly in the complete contraction when the linear transmission assembly in the prior art is equal in height when the linear transmission assembly in the complete contraction is equal in height, in other words, the length of the linear transmission assembly in the complete expansion is far longer than that of the linear transmission assembly in the prior art when the linear transmission assembly in the complete expansion is equal in height, and therefore, the stroke of the linear transmission assembly in the present invention is larger. the linear transmission assembly is simple in structure, can increase the stroke of the lifting table leg, and meets the maximum requirement of people on the stroke of the lifting table leg.
Referring to fig. 3 and 5 again, as an embodiment of the present invention, one end of the first transmission nut 5, which is close to the first transmission tube 1, is provided with a connecting portion 500 tightly fitted in the inner hole of the first transmission tube 1, the outer side wall of the first transmission nut 5 is provided with a plurality of first radial protrusions 501 distributed along the circumferential direction of the first transmission nut 5 and extending axially along the first transmission nut 5, and the inner peripheral wall of the second transmission tube 2 is provided with a first chute which is engaged with the first radial protrusions 501 in a matching manner and slides axially relatively. Thus, when the first drive tube 1 rotates the first drive nut 5, the second drive tube 2 rotates synchronously therewith.
Referring again to fig. 3, as an embodiment of the present invention, one end of the third driving tube 3 near the second driving nut 6 is connected with a bearing 7, and the bearing 7 is connected in a receiving hole 600 of one end of the second driving nut 6 near the third driving tube 3. The end of the third transmission tube 3, which is close to the second transmission nut 6, is provided with a mounting step 300, the ring of the bearing 7 is tightly matched with the mounting step 300, the bearing 7 is axially limited in the accommodating hole 600, and thus, when the first transmission nut 5 drives the third transmission tube 3 to axially move and the second transmission nut 6 drives the second transmission tube 2 to axially move, the third transmission tube 3 and the second transmission nut 6 can synchronously axially move.
Referring to fig. 3 and 6 again, as an embodiment of the present invention, the outer side of the second transmission nut 6 is sleeved with a support 8, the second transmission nut 6 is rotatably connected in a central hole of the support 8, and the second transmission nut 6 and the support 8 are axially limited. The support 8 is internally provided with a limiting hole 800 coaxial with the central hole thereof, the outer side wall of the second transmission nut 6 is provided with an annular convex wall 601, and the annular convex wall 601 is rotatably connected in the limiting hole 800. The setting of the spacing hole 800 of the support 8 makes the second drive pipe rotate more steadily when driving the second drive nut 6 to rotate, and the second drive nut 6 can drive the support 8 to move along the axial direction synchronously.
Referring to fig. 2 and 3 again, as an embodiment of the present invention, the lower end of the screw 4 is fixedly connected in the central hole of the bottom plate 9, the upper end of the screw 4 is coaxially connected with a slider 400, a plurality of second radial protrusions 401 distributed along the circumference of the slider 400 and extending along the axial direction of the slider 400 are arranged on the outer side wall of the slider 400, and a second sliding chute 301 which is in matched and clamping connection with the second radial protrusions 401 and slides relatively axially is arranged on the inner peripheral wall of the third driving tube 3.
See fig. 4 and 6;
The invention discloses a lifting table leg which comprises a first vertical pipe 10, a second vertical pipe 1000, a third vertical pipe 1001, a shell 11, a driving mechanism and a linear transmission assembly, wherein the first vertical pipe 10, the second vertical pipe 1000 and the third vertical pipe 1001 are sleeved in sequence from inside to outside and can slide relatively, the shell 11 is fixedly connected with the upper end of the first vertical pipe 10, the driving mechanism is arranged in the shell 11, the linear transmission assembly is in transmission connection with the driving mechanism, the linear transmission assembly adopts the technical scheme of any embodiment, the second vertical pipe 1000 is connected with a second transmission nut 6, and the third vertical pipe 1001 is fixedly connected with a lead screw 4. The outer side of the second transmission nut 6 is sleeved with a support 8, the second transmission nut 6 is rotatably connected in a central hole of the support 8, the second transmission nut 6 and the support 8 are axially limited, and the inner wall of the second vertical pipe 1000 is fixedly connected with the outer side wall of the support 8. The lower end of the screw rod 4 is fixedly connected in the central hole of the bottom plate 9, and the bottom plate 9 is fixedly connected with the inner wall of the third vertical pipe 1001. The lifting table leg adopts the linear transmission assembly according to any one of the technical schemes, so that the stroke of the lifting table leg is increased, the maximum stroke requirement of people on the lifting table leg is met, and the lifting stability of the lifting table leg is good.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051717.0A CN112096814B (en) | 2020-09-29 | 2020-09-29 | A linear transmission assembly and lifting table legs using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051717.0A CN112096814B (en) | 2020-09-29 | 2020-09-29 | A linear transmission assembly and lifting table legs using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112096814A CN112096814A (en) | 2020-12-18 |
| CN112096814B true CN112096814B (en) | 2025-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011051717.0A Active CN112096814B (en) | 2020-09-29 | 2020-09-29 | A linear transmission assembly and lifting table legs using the same |
Country Status (1)
| Country | Link |
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| CN (1) | CN112096814B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106641148A (en) * | 2017-01-10 | 2017-05-10 | 浙江捷昌线性驱动科技股份有限公司 | Drive assembly and elevating column |
| TWM571436U (en) * | 2018-12-11 | Linear actuation structure | ||
| CN213419816U (en) * | 2020-09-29 | 2021-06-11 | 乐歌人体工学科技股份有限公司 | A linear transmission assembly and its application of lifting table legs |
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| US6435048B1 (en) * | 2001-02-02 | 2002-08-20 | Suspa Incorporated | Multi-leg telescopic linear actuator |
| US20020162410A1 (en) * | 2001-05-03 | 2002-11-07 | Zimmerman Dean A. | Telescopic linear actuator |
| JP2008520911A (en) * | 2004-11-17 | 2008-06-19 | リナック エー／エス | Linear actuator |
| JP2009185907A (en) * | 2008-02-06 | 2009-08-20 | Obayashi Seisakusho:Kk | Multiple fitting telescopic shaft |
| CN102056514B (en) * | 2008-06-06 | 2013-06-12 | 利纳克有限公司 | Linear actuator |
| DE102010052918A1 (en) * | 2010-11-30 | 2012-05-31 | Schaeffler Technologies Gmbh & Co. Kg | jack |
| EP2840931B1 (en) * | 2012-04-23 | 2016-06-29 | Linak A/S | Lifting column |
| JP2014029190A (en) * | 2012-07-31 | 2014-02-13 | Mitsuba Corp | Linear actuator |
| KR20160085227A (en) * | 2015-01-07 | 2016-07-15 | 최순규 | Signal lighting structures for railroad capable of acscend or descend manually |
| CN105565200B (en) * | 2016-02-25 | 2017-12-19 | 常州市凯迪电器股份有限公司 | Three-section type Linear actuator and its drive component |
| TWM543942U (en) * | 2016-11-18 | 2017-06-21 | Tct Nanotec Co Ltd | Linear driving device of telescopic column |
| CN109678089A (en) * | 2018-12-29 | 2019-04-26 | 宁波海仕凯驱动科技有限公司 | A kind of drive assembly and lifting column |
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2020
- 2020-09-29 CN CN202011051717.0A patent/CN112096814B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM571436U (en) * | 2018-12-11 | Linear actuation structure | ||
| CN106641148A (en) * | 2017-01-10 | 2017-05-10 | 浙江捷昌线性驱动科技股份有限公司 | Drive assembly and elevating column |
| CN213419816U (en) * | 2020-09-29 | 2021-06-11 | 乐歌人体工学科技股份有限公司 | A linear transmission assembly and its application of lifting table legs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112096814A (en) | 2020-12-18 |
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