CN207659000U - A kind of lifting column being driven self-locking mechanism and its application - Google Patents
A kind of lifting column being driven self-locking mechanism and its application Download PDFInfo
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- CN207659000U CN207659000U CN201721867293.9U CN201721867293U CN207659000U CN 207659000 U CN207659000 U CN 207659000U CN 201721867293 U CN201721867293 U CN 201721867293U CN 207659000 U CN207659000 U CN 207659000U
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- threaded rod
- connecting seat
- self
- locking spring
- lateral wall
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Abstract
The utility model discloses a kind of transmission self-locking mechanism and its lifting columns of application, it includes driving device, the first threaded rod, the second threaded rod and hollow the first connecting seat and the second connecting seat；First connecting seat and the second connecting seat are threaded in respectively on the first threaded rod and the second threaded rod；Second threaded rod is arranged a self-locking spring, and the inner ring of self-locking spring and the second threaded rod clearance fit on one end lateral wall of the first connecting seat；One end of self-locking spring is connect with the first connecting seat, and the other end of self-locking spring and the lateral wall of the second threaded rod fit；When the second connecting seat stress is moved to the direction of the first connecting seat, the frictional force between the lateral wall and self-locking spring of the second threaded rod makes self-locking spring be in inside spiral locking state, and the second threaded rod is locked up.The transmission self-locking mechanism and its lifting column of application are damaged after preventing transmission mechanism stress, carry self-locking function.
Description
Technical field
The utility model is related to Working table technical fields, specifically be it is a kind of transmission self-locking mechanism and its application lifting
Column.
Background technology
Transmission mechanism is generally used in the lifting column of Working table, lifting platform or lifting support, transmission mechanism action
In the process, make column that lifting action occur, to adjust Working table, lifting platform or the height of lifting support, to adapt to user
Height, sitting posture or stance.The structure of the lifting column generally comprises the first threaded rod, the second hollow threaded rod, band center
First connecting seat and the second connecting seat in hole；First connecting seat is connect with the first support tube, second connecting seat
It is connect with the second support tube, and the second support tube clearance fit is in the centre bore of the first support tube；First threaded rod
One end connect with driving device, the driving device for drive the first threaded rod it is rotatable around its axis, first connecting seat
Centre bore in be equipped with the internal thread that connect with the external screw thread matching spiral on the first threaded rod lateral wall, when the first threaded rod turn
When dynamic, which drives the first support tube to be moved along the length direction of the first threaded rod；First threaded rod
The other end is arranged in the centre bore of the second threaded rod, and is connect with the center bore inner wall of the second threaded rod, for driving second
Threaded rod rotates, and is equipped in the centre bore of second connecting seat and connects with the external screw thread matching spiral on the second threaded rod lateral wall
The internal thread connect, when the second threaded rod rotates, which drives the second support tube along the length side of the second threaded rod
To movement.The transmission mechanism, due to there is no self-locking mechanism, when the second support tube outer end is by larger axial compressive force, second
Support tube is moved together with the second connecting seat, due to the threaded connection relation of the second connecting seat and the second threaded rod, makes the second screw thread
Bar Forced rotation, probably the interconnecting piece of the first threaded rod of damage and the second threaded rod is impaired in this way, causes Working table, lifting
The adjusting of the height of platform or lifting support is unstable, or even can not adjust height.
Utility model content
The technical problems to be solved in the utility model is to overcome the defect of the above prior art, and providing one kind prevents from being driven
It is damaged after mechanism stress, the lifting column of transmission self-locking mechanism and its application with self-locking function.
The technical solution of the utility model is to provide a kind of transmission self-locking mechanism having following structure：It includes
Driving device, the first threaded rod, the second threaded rod and hollow the first connecting seat and the second connecting seat, second threaded rod
Center be equipped with the endoporus that the second threaded rod both ends of the surface are run through at a both ends, the first threaded rod longitudinal sliding motion cooperation and circumferential limit
Position is in the endoporus of the second threaded rod；The driving device is for driving the first threaded rod rotatable around its axis and driving second
Threaded rod rotates；First connecting seat and the second connecting seat is threaded in the first threaded rod and the second threaded rod respectively
On, the centre bore coaxial line of second threaded rod and the first connecting seat, and the second threaded rod is close to one end of the first connecting seat
It is rotatably connected in the centre bore of the first connecting seat；Second threaded rod covers on one end lateral wall of the first connecting seat
If a self-locking spring, and the lateral wall clearance fit of the inner ring of self-locking spring and the second threaded rod；One end of the self-locking spring
It is connect with the first connecting seat, the other end of self-locking spring and the lateral wall of the second threaded rod fit；In driving device driving the
One threaded rod simultaneously drives the second threaded rod when rotating forward expansion, the friction between the lateral wall and self-locking spring of the second threaded rod
Power makes self-locking spring be in spiral open configuration, and the second threaded rod is rotatably unfolded；In the second connecting seat stress to close to first
When the direction of connecting seat is mobile and the second threaded rod of drive rotates backward, between the lateral wall and self-locking spring of the second threaded rod
Frictional force makes self-locking spring be in inside spiral locking state, and the second threaded rod, which rotates backward, to be locked up.
After using the above structure, the utility model is driven self-locking mechanism compared with prior art, has the following advantages：The biography
The driving device of dynamic self-locking mechanism drives the rotation of the first threaded rod and the second threaded rod, meanwhile, the lateral wall of the first threaded rod with
Frictional force between self-locking spring makes self-locking spring be in open configuration, and the first threaded rod can circumferentially rotate, and make the first connecting seat
Length direction along the first threaded rod moves；Outside due to the internal thread and the first threaded rod on the center bore inner wall of the first connecting seat
External screw thread matching spiral connection on side wall, when power of first connecting seat by the second connecting seat of direction, mobile first connects
Joint chair drives the rotation of the first threaded rod, the frictional force between the lateral wall and self-locking spring of the first threaded rod that self-locking spring is made to be in
Inside locking state, the first threaded rod are locked up rotation；The transmission self-locking mechanism is avoided when driving device stopping acts, the
A connecting seat by towards the second connecting seat more energetically when, the first threaded rod passive rotation is prevented, to prevent transmission mechanism
It is impaired.
Preferably, first threaded rod connects sleeve on one end lateral wall of the second connecting seat, it is described
Self-locking spring is set on the lateral wall of casing, and the lateral wall clearance fit of the inner ring of self-locking spring and casing, the self-locking
One end of spring is connect with the second connecting seat, and the other end of self-locking spring and the lateral wall of casing fit.
Preferably, second connecting seat close to one end end face of the first connecting seat be equipped with a card slot, it is described from
Lock spring is connected to close to one end of the second connecting seat in card slot.
Preferably, the transmission self-locking mechanism further includes the second threaded rod, the center of first threaded rod is equipped with
The endoporus of the first threaded rod both ends of the surface is run through at one both ends；The center bore inner wall of second connecting seat is equipped with and the second threaded rod
The internal thread of external screw thread matching spiral connection on lateral wall, when the second threaded rod rotates, second connecting seat is along the second spiral shell
The length direction of rasp bar moves；One end of second threaded rod is connect with driving device, and the other end of the second threaded rod is worn
It is connect in the endoporus of the first threaded rod, and with the inner wall of endoporus.The rotation of second threaded rod is driven by driving device, the of rotation
Two threaded rods drive the rotation of the first threaded rod, to make the first connecting seat and the second connecting seat while movement.
Preferably, the driving device is motor or crank.When the driving device uses motor, make the shaft of motor
End is coaxially connected with the second threaded rod；When the driving device uses crank, the driving portion of the crank coaxially connects with the second threaded rod
It connects.
Another technical solution of the utility model is to provide a kind of lifting column having following structure, it is wrapped
Include driving device, the first threaded rod, the second threaded rod, the first hollow connecting seat and the second connecting seat and the first support tube,
Second support tube, external riser, neutral tube and internal riser；The first support tube clearance fit is described in the second support tube
Second support tube is connect with internal riser inner wall, and the internal riser clearance fit in neutral tube, match by the neutral ligament
It closes in external riser, the outer end of first support tube and the outer end of external riser connect；In the centre bore of first connecting seat
Wall is equipped with the internal thread being connect with the external screw thread matching spiral on the first threaded rod lateral wall, and the first connecting seat and second
The inner wall of stay tube connects, and when the first threaded rod rotates, first connecting seat is together with the second support tube along the length of the first threaded rod
Spend direction movement；The center bore inner wall of second connecting seat is equipped with and the external screw thread matching spiral shell on the second threaded rod lateral wall
The internal thread of connection is revolved, and the second connecting seat is connect with the inner wall of the first support tube, when the second threaded rod rotates, second company
Length direction of the joint chair together with the first support tube along the second threaded rod moves；The center of first threaded rod is passed through equipped with a both ends
Wear the endoporus of the first threaded rod both ends of the surface, one end of second threaded rod is connect with driving device, the second threaded rod it is another
End is arranged in the endoporus of the first threaded rod, and is connect with the inner wall of endoporus；First threaded rod is close to the second connecting seat
A self-locking spring, and the lateral wall clearance fit of the inner ring of self-locking spring and the first threaded rod are arranged on the lateral wall of one end；It is described
One end of self-locking spring is connect with the second connecting seat, and the other end of self-locking spring and the lateral wall of the first threaded rod fit；
When first connecting seat is moved to the direction far from the second connecting seat, the friction between the lateral wall and self-locking spring of the first threaded rod
Power makes self-locking spring be in open configuration, and the first threaded rod can circumferentially rotate；In the first connecting seat to close to the second connecting seat
When direction is moved, the frictional force between the lateral wall and self-locking spring of the first threaded rod makes self-locking spring be in internal locking shape
State, the first threaded rod are locked up.
Preferably, first threaded rod connects sleeve on one end lateral wall of the second connecting seat, it is described
Self-locking spring is set on the lateral wall of casing, and the lateral wall clearance fit of the inner ring of self-locking spring and casing, the self-locking
One end of spring is connect with the second connecting seat, and the other end of self-locking spring and the lateral wall of casing fit.
Preferably, second connecting seat close to one end end face of the first connecting seat be equipped with a card slot, it is described from
Lock spring is connected to close to one end of the second connecting seat in card slot.
After using the above structure, the utility model lifting column compared with prior art, has the following advantages：The lifting is vertical
For column in lifting, driving device drives the second threaded rod of the second threaded rod rotation rotation to drive the rotation of the first threaded rod, to
Make the first connecting seat and the second connecting seat while movement；Due to the first connecting seat connect with the inner wall of the second support tube and second connect
Joint chair is connect with the inner wall of the first support tube, therefore the first support tube and the second support tube are mobile simultaneously, make external riser and Nei Li
Pipe is unfolded or shrinks, to realize the lifting action of column.When being moved to the direction far from the second connecting seat in the first connecting seat,
Frictional force between the lateral wall and self-locking spring of first threaded rod makes self-locking spring be in open configuration, and the first threaded rod can week
To rotation；When the first connecting seat is to close to the movement of the direction of the second connecting seat, the lateral wall and self-locking spring of the first threaded rod
Between frictional force so that self-locking spring is in inside locking state, the first threaded rod is locked up.The lifting column is in driving device
When stopping acts, when by larger downward pressure, since self-locking spring rotates the first threaded rod locking, to avoid driver
Structure is impaired.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of transmission self-locking mechanism of the utility model.
Fig. 2 is the structural schematic diagram of the utility model lifting column.
Fig. 3 is the assembly structure diagram of the utility model lifting column.
As shown in the figure：
1, driving device, the 2, first connecting seat, the 3, second connecting seat, the 4, first threaded rod, the 5, second threaded rod, 6, first
Support tube, the 7, second support tube, 8, casing, 9, self-locking spring, the 10, first internal thread, 11, link block, 12, fixture block, 13, interior
Hole, the 14, second internal thread, 15, card slot, 16, external riser, 17, neutral tube, 18, internal riser.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1；
A kind of transmission self-locking mechanism of the utility model, it include driving device 1, the first threaded rod 4, the second threaded rod 5 with
And hollow the first connecting seat 2 and the second connecting seat 3, the center of second threaded rod 5 are equipped with a both ends and run through the second screw thread
The endoporus 13 of the endoporus 13 of 5 both ends of the surface of bar, 4 longitudinal sliding motion of the first threaded rod cooperation and circumferential limit in the second threaded rod 5
In；The driving device 1 is for driving 4 rotatable around its axis and drive the second threaded rod 5 rotation of the first threaded rod；Described
First connecting seat 2 and the second connecting seat 3 are threaded in respectively on the first threaded rod 4 and the second threaded rod 5, second screw thread
The centre bore coaxial line of bar 5 and the first connecting seat 2, and the second threaded rod 5 is rotatably connected close to one end of the first connecting seat 2
In the centre bore of first connecting seat 2；Second threaded rod 5 is arranged a self-locking on one end lateral wall of the first connecting seat 2
Spring 9, and the lateral wall clearance fit of the inner ring of self-locking spring 9 and the second threaded rod 5；One end of the self-locking spring 9 and the
A connecting seat 2 connects, and the other end of self-locking spring 9 and the lateral wall of the second threaded rod 5 fit；In the driving of driving device 1 the
One threaded rod 4 simultaneously drives the second threaded rod 5 when rotating forward expansion, between the lateral wall and self-locking spring 9 of the second threaded rod 5
Frictional force makes self-locking spring 9 be in spiral open configuration, the second rotatably expansion of threaded rod 5；3 stress of the second connecting seat to by
When the direction of nearly first connecting seat 2 is mobile and the second threaded rod 5 of drive rotates backward, the lateral wall of the second threaded rod 5 and self-locking
Frictional force between spring 9 makes self-locking spring 9 be in inside spiral locking state, and the second threaded rod 5, which rotates backward, to be locked up.
The center bore inner wall of first connecting seat 2 is equipped with the first internal thread 10, first internal thread and first
External screw thread threaded engagement connection on threaded rod 4；Therefore when the first threaded rod rotates, the first connecting seat is along the first threaded rod
Length direction moves；The center bore inner wall of second connecting seat 3 be equipped with the second internal thread 14, second internal thread with
External screw thread threaded engagement connection on second threaded rod 5；Therefore when the second threaded rod rotates, the second connecting seat is along the second screw thread
The length direction of bar moves.
First threaded rod, 4 longitudinal sliding motion coordinates and circumferential limit is in the endoporus 13 of the second threaded rod 5, refers to institute
13 inner wall of endoporus for the second threaded rod 5 stated, which is equipped with, to be extended and along its length along its circumferentially distributed multiple sliding slot, institute
A coaxially connected link block 11 on the free end of the first threaded rod is stated, the link block 11 is equipped with the card being mutually clamped with sliding slot
Block 12, the fixture block can be slided along the length direction of sliding slot, and when the first threaded rod rotates, due to the fixture block on link block
With the mutual clamping relationship of the 13 inner wall upper hopper chute of endoporus of the second threaded rod 5, the rotation of the second threaded rod is driven.
Second threaded rod 5 connects sleeve 8, the self-locking bullet on one end lateral wall of the first connecting seat 2
Spring 9 is set on the lateral wall of casing 8, and the lateral wall clearance fit of the inner ring of self-locking spring 9 and casing 8, the self-locking bullet
One end of spring 9 is connect with the first connecting seat 2, and the lateral wall of the other end and casing 8 of self-locking spring 9 fits.
First connecting seat 2 is equipped with a card slot 15, the self-locking spring close to one end end face of the second connecting seat 3
9 are connected to close to one end of the first connecting seat 2 in card slot 15.
The driving device 1 is one kind in motor or crank.The drive shaft of motor passes through shaft coupling and the first screw thread
Bar connects.
The lifting column of the utility model as shown in Figures 2 and 3, it includes driving device 1, the first threaded rod 4, the second spiral shell
Rasp bar 5, the first hollow connecting seat 2 and the second connecting seat 3 and the first support tube 6, the second support tube 7, external riser 16, neutrality
Pipe 17 and internal riser 18；The center of second threaded rod 5 is equipped with the endoporus 13 that 5 both ends of the surface of the second threaded rod are run through at a both ends,
First threaded rod, the 4 longitudinal sliding motion cooperation and circumferentially limit are in the endoporus 13 of the second threaded rod 5；The driving device 1
For driving 4 rotatable around its axis and drive the second threaded rod 5 rotation of the first threaded rod；First support tube, 6 clearance fit
In the second support tube 7,18 clearance fit of internal riser is in neutral tube 17, and 17 clearance fit of neutral tube is outside
In standpipe 16；First connecting seat 2 and the second connecting seat 3 is threaded in the first threaded rod 4 and the second threaded rod 5 respectively
On, one end of first support tube 6 is connect with the second connecting seat 3, the outer end of the other end and external riser 16 of the first support tube 6
Connection；One end of second support tube 7 is connect with the first connecting seat 2, and the other end of the second support tube 7 is interior with internal riser 18
Wall connects；The centre bore coaxial line of second threaded rod, 5 and first connecting seat 2, and the second threaded rod 5 is close to the first connecting seat
2 one end is rotatably connected in the centre bore of the first connecting seat 2；Second threaded rod 5 is close to one end of the first connecting seat 2
A self-locking spring 9, and the lateral wall clearance fit of the inner ring of self-locking spring 9 and the second threaded rod 5 are arranged on lateral wall；It is described from
One end of lock spring 9 is connect with the first connecting seat 2, and the other end of self-locking spring 9 and the lateral wall of the second threaded rod 5 fit；
When driving device 1 drives the first threaded rod 4 and the second threaded rod 5 is driven to rotate forward expansion, the lateral wall of the second threaded rod 5
Frictional force between self-locking spring 9 makes self-locking spring 9 be in spiral open configuration, the second rotatably expansion of threaded rod 5；
When two connecting seats, 3 stress is rotated backward to and the second threaded rod 5 of drive mobile close to the direction of the first connecting seat 2, the second screw thread
Frictional force between the lateral wall and self-locking spring 9 of bar 5 makes self-locking spring 9 be in inside spiral locking state, the second threaded rod 5
It rotates backward and is locked up.
Second threaded rod 5 connects sleeve 8, the self-locking bullet on one end lateral wall of the first connecting seat 2
Spring 9 is set on the lateral wall of casing 8, and the lateral wall clearance fit of the inner ring of self-locking spring 9 and casing 8, the self-locking bullet
One end of spring 9 is connect with the first connecting seat 2, and the lateral wall of the other end and casing 8 of self-locking spring 9 fits.
First connecting seat 2 is equipped with a card slot 15, the self-locking spring close to one end end face of the second connecting seat 3
9 are connected to close to one end of the first connecting seat 2 in card slot 15.
The driving device 1 is one kind in motor or crank.The drive shaft of motor passes through shaft coupling and the first screw thread
Bar connects.
Claims (7)
1. a kind of transmission self-locking mechanism, it includes driving device, the first threaded rod, the second threaded rod and the hollow first connection
The center of seat and the second connecting seat, second threaded rod is equipped with the endoporus that the second threaded rod both ends of the surface are run through at a both ends, described
First threaded rod longitudinal sliding motion coordinates and circumferential limit is in the endoporus of the second threaded rod；The driving device is for driving the
One threaded rod is rotatable around its axis and drives the rotation of the second threaded rod；First connecting seat and the second connecting seat distinguish screw thread
It is connected on the first threaded rod and the second threaded rod, the centre bore coaxial line of second threaded rod and the first connecting seat, and the
Two threaded rods are rotatably connected close to one end of the first connecting seat in the centre bore of the first connecting seat；It is characterized in that：It is described
Second threaded rod is arranged a self-locking spring, and the inner ring of self-locking spring and the second spiral shell on one end lateral wall of the first connecting seat
The lateral wall clearance fit of rasp bar；One end of the self-locking spring is connect with the first connecting seat, the other end of self-locking spring and
The lateral wall of two threaded rods fits；The first threaded rod is driven in driving device and the second threaded rod is driven to rotate forward expansion
When, the frictional force between the lateral wall and self-locking spring of the second threaded rod makes self-locking spring be in spiral open configuration, the second spiral shell
Rasp bar is rotatably unfolded；It is reversed to mobile and the second threaded rod of drive close to the direction of the first connecting seat in the second connecting seat stress
When rotation, the frictional force between the lateral wall and self-locking spring of the second threaded rod makes self-locking spring be in inside spiral locking shape
State, the second threaded rod, which rotates backward, to be locked up.
2. transmission self-locking mechanism according to claim 1, it is characterised in that：Second threaded rod is close to the first connecting seat
One end lateral wall on connect sleeve, the self-locking spring is set on the lateral wall of casing, and the inner ring of self-locking spring
With the lateral wall clearance fit of casing, one end of the self-locking spring is connect with the first connecting seat, the other end of self-locking spring with
The lateral wall of casing fits.
3. transmission self-locking mechanism according to claim 2, it is characterised in that：First connecting seat is close to the second connection
One end end face of seat is equipped with a card slot, and the self-locking spring is connected to close to one end of the first connecting seat in card slot.
4. transmission self-locking mechanism according to claim 1, it is characterised in that：The driving device is in motor or crank
One kind.
5. a kind of lifting column, it includes driving device, the first threaded rod, the second threaded rod, the first hollow connecting seat and
Two connecting seats and the first support tube, the second support tube, external riser, neutral tube and internal riser；The center of second threaded rod
Run through the endoporus of the second threaded rod both ends of the surface, the first threaded rod longitudinal sliding motion cooperation and circumferential limit equipped with a both ends the
In the endoporus of two threaded rods；The driving device is for driving the first threaded rod rotatable around its axis and driving the second threaded rod
Rotation；For the first support tube clearance fit in the second support tube, the internal riser clearance fit is described in neutral tube
Neutral tube clearance fit in external riser；First connecting seat and the second connecting seat is threaded in the first screw thread respectively
On bar and the second threaded rod, one end of first support tube is connect with the second connecting seat, the other end of the first support tube with it is outer
The outer end of standpipe connects；One end of second support tube is connect with the first connecting seat, and the other end of the second support tube is stood with interior
The inner wall of pipe connects；The centre bore coaxial line of second threaded rod and the first connecting seat, and the second threaded rod connects close to first
One end of joint chair is rotatably connected in the centre bore of the first connecting seat；It is characterized in that：Second threaded rod is close to first
A self-locking spring is arranged on one end lateral wall of connecting seat, and the inner ring of self-locking spring and the lateral wall gap of the second threaded rod are matched
It closes；One end of the self-locking spring is connect with the first connecting seat, the lateral wall phase of the other end of self-locking spring and the second threaded rod
Fitting；When driving device drives the first threaded rod and the second threaded rod is driven to rotate forward expansion, the outside of the second threaded rod
Frictional force between wall and self-locking spring makes self-locking spring be in spiral open configuration, and the second threaded rod is rotatably unfolded；
When two connecting seat stress are rotated backward to and the second threaded rod of drive mobile close to the direction of the first connecting seat, the second threaded rod
Frictional force between lateral wall and self-locking spring makes self-locking spring be in inside spiral locking state, and the second threaded rod rotates backward
It is locked up.
6. lifting column according to claim 5, it is characterised in that：Second threaded rod is close to the one of the first connecting seat
Sleeve is connected on the lateral wall of end, the self-locking spring is set on the lateral wall of casing, and the inner ring and set of self-locking spring
The lateral wall clearance fit of pipe, one end of the self-locking spring are connect with the first connecting seat, the other end and casing of self-locking spring
Lateral wall fit.
7. lifting column according to claim 6, it is characterised in that：First connecting seat is close to the second connecting seat
One end end face is equipped with a card slot, and the self-locking spring is connected to close to one end of the first connecting seat in card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721867293.9U CN207659000U (en) | 2017-12-27 | 2017-12-27 | A kind of lifting column being driven self-locking mechanism and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721867293.9U CN207659000U (en) | 2017-12-27 | 2017-12-27 | A kind of lifting column being driven self-locking mechanism and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207659000U true CN207659000U (en) | 2018-07-27 |
Family
ID=62944111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721867293.9U Active CN207659000U (en) | 2017-12-27 | 2017-12-27 | A kind of lifting column being driven self-locking mechanism and its application |
Country Status (1)
| Country | Link |
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| CN (1) | CN207659000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925376A (en) * | 2019-10-25 | 2020-03-27 | 宁波海仕凯驱动科技有限公司 | Transmission device with large self-locking force and electric lifting upright post |
| WO2020135858A1 (en) * | 2018-12-29 | 2020-07-02 | 宁波海仕凯驱动科技有限公司 | Transmission assembly and lifting column |
| WO2023217306A3 (en) * | 2022-05-11 | 2024-01-04 | 常州市凯迪电器股份有限公司 | Brake mechanism, and lifting column using brake mechanism |
-
2017
- 2017-12-27 CN CN201721867293.9U patent/CN207659000U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135858A1 (en) * | 2018-12-29 | 2020-07-02 | 宁波海仕凯驱动科技有限公司 | Transmission assembly and lifting column |
| CN110925376A (en) * | 2019-10-25 | 2020-03-27 | 宁波海仕凯驱动科技有限公司 | Transmission device with large self-locking force and electric lifting upright post |
| WO2023217306A3 (en) * | 2022-05-11 | 2024-01-04 | 常州市凯迪电器股份有限公司 | Brake mechanism, and lifting column using brake mechanism |
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