CN206571923U - A kind of drive assembly and lifting column - Google Patents
A kind of drive assembly and lifting column Download PDFInfo
- Publication number
- CN206571923U CN206571923U CN201720026040.2U CN201720026040U CN206571923U CN 206571923 U CN206571923 U CN 206571923U CN 201720026040 U CN201720026040 U CN 201720026040U CN 206571923 U CN206571923 U CN 206571923U
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- hollow mandrel
- drive assembly
- transmission nut
- screw
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Abstract
The utility model discloses a kind of drive assembly, belong to transmission device field, the technical problem of formal dress and upside-down mounting can not be carried out using same drive assembly by solving existing lifting column, and solving the technical scheme of the problem mainly includes hollow mandrel, and its outer wall is provided with external screw thread；Drive screw, it is located in hollow mandrel；First transmission nut, it coordinates with drive screw screw thread, and hollow mandrel is rotatably positioned in the axial direction with the first transmission nut, locking structure of the outside provided with limitation the first transmission nut rotation of first transmission nut；Second transmission nut, it coordinates with hollow mandrel screw thread；Sleeve pipe, it is set in outside hollow mandrel, and the second transmission nut is fixedly connected with sleeve pipe；Guide pipe, it is rotatably limited in sleeve pipe.The invention also discloses a kind of lifting column with the drive assembly, no matter lifting column formal dress or upside-down mounting can use the drive assembly, therefore production cost is reduced.
Description
Technical field
The utility model belongs to transmission device field, more particularly to a kind of drive assembly and lifting column.
Background technology
Electric lifting vertical column is widely used in the fields such as household, medical treatment, and the body of existing electric lifting vertical column is general
Filled including the inner tube being set with successively from inside to outside, middle pipe, outer tube and drain pan, the drive device being arranged in drain pan, with driving
Transmission is put with individual drive assembly, in order that the stroke of electric lifting vertical column is big as far as possible, drive assembly therein is generally set
The drive screw being set in together and hollow screw are set to, and by setting transmission nut respectively in inner tube and middle pipe, is made
Coordinated with drive screw and hollow screw, so as to realize the relative telescopic of inner tube, the tube and the outer tube.
And current electric lifting vertical column has two kinds of assembling modes of formal dress and upside-down mounting, the lifting of formal dress according to actual needs
Column refers to that inner tube is connected with drain pan and outer tube is supported in ground, upside-down mounting lifting column refer to outer tube be connected with drain pan and
Inner tube is supported in ground.But in the prior art, the lifting column of formal dress is different with the structure of upside-down mounting lifting column, it is necessary to respectively
Produced, then assembled, that is to say, that the lifting column and upside-down mounting lifting column of formal dress can not use same structure
Drive assembly, this undoubtedly adds production cost.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of lifting column, solve existing lifting column without
Method carries out the technical problem of formal dress and upside-down mounting using same drive assembly.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
A kind of drive assembly, including：
Hollow mandrel, its outer wall is provided with external screw thread；
Drive screw, it is located in hollow mandrel, the drive screw can with hollow mandrel synchronous rotary and drive screw with
Hollow mandrel axially opposed can stretch；
First transmission nut, it coordinates with drive screw screw thread, and the hollow mandrel is rotatably passed with first
Dynamic nut is positioned in the axial direction, locking structure of the outside provided with limitation the first transmission nut rotation of first transmission nut；
Second transmission nut, it coordinates with hollow mandrel screw thread；
Sleeve pipe, it is set in outside hollow mandrel, and second transmission nut is fixedly connected with sleeve pipe；
Guide pipe, it is rotatably limited in sleeve pipe, the guide pipe and hollow mandrel synchronous rotary and
Guide pipe axially opposed can stretch with hollow mandrel.
Further, the lower end of the hollow mandrel is fixedly connected with guide rod, and the guide rod is non-cylindrical configuration, institute
Stating guide pipe has not rounded endoporus, and non-cylindrical configuration is adapted to not rounded endoporus so that hollow mandrel and guide pipe synchronous rotary.
Further, the hollow mandrel is set with clutch shaft bearing, and the clutch shaft bearing is fixedly installed in the first transmission
On nut.
Further, the locking structure includes multiple projections being arranged on the first transmission nut outer wall and positioned at the
The the first locking block and the second locking block of one transmission nut periphery, the first locking block are provided with the first containing groove, described the
Two locking blocks are provided with after the second containing groove, the first locking block and the second locking block obvolvent, the first containing groove and second
Containing groove engages to form accommodation space, and first transmission nut is located in accommodation space, the groove of first containing groove
Wall is provided with the first neck, and the cell wall of second containing groove is provided with the second neck, first neck and the second neck
The projection that is engaged by clamping is corresponded to respectively.
Further, the side that the first locking block is docked with the second locking block is fixed provided with the first fixed column and first
Hole, the side that the second locking block is docked with the first locking block is provided with the second fixed column and the second fixing hole, described first armful
After dead block and the second locking block obvolvent, the first fixed column and the second fixing hole grafting, the second fixed column and the first fixing hole grafting.
Further, second bearing is set with the drive screw, the second bearing is fixed in a bearing block.
The invention also discloses a kind of lifting column, including be set with successively from inside to outside inner tube, middle pipe, outer tube,
The drain pan being fixedly connected with the upper end of inner tube, the drive device being arranged in drain pan and the transmission coordinated with drive device transmission
Assembly, the drive assembly is the drive assembly described in above-mentioned any one technical scheme, the drive device and guide pipe
Upper end transmission coordinates, and the lower end of the outer tube is provided with bottom plate, and the lower end of the drive screw rotatably exists with bottom plate
Positioned on axial direction, the locking structure is fixedly connected with the lower end of middle pipe, and described sleeve pipe is fixedly connected with drain pan.
Further, the drive device includes motor, the worm screw being connected on motor output shaft, coordinated with worm-drive
Worm gear, the worm gear is provided with upper profiled holes, and the endoporus of the guide pipe is realized dynamic with profiled holes by the first special-shaped body of rod
Power is transmitted.
The invention also discloses another lifting column, including the inner tube, middle pipe, outer being set with successively from inside to outside
Pipe, the drain pan being fixedly connected with the upper end of outer tube, the drive device that is arranged in drain pan and it is driven cooperation with drive device
Drive assembly, the drive assembly is the drive assembly described in above-mentioned any one technical scheme, the drive device and transmission
The upper end transmission of screw rod coordinates, and the locking structure is fixedly connected with the upper end of middle pipe, the lower surface for being held in inner tube.
Further, the drive device includes motor, the worm screw being connected on motor output shaft, coordinated with worm-drive
Worm gear, the worm gear is provided with upper profiled holes, and the drive screw and profiled holes realize that power is passed by the second special-shaped body of rod
Pass.
The beneficial effects of the utility model are：
1. drive screw of the present utility model, hollow mandrel and guide pipe can synchronous rotary, therefore, drive screw and lead
To pipe can as power input, drive assembly, which only needs to spin upside down, is suitable for lifting column formal dress and upside-down mounting
Matching requirements, therefore it may only be necessary to produce a type of drive assembly with regard to the assembler of lifting column formal dress and upside-down mounting can be met
Skill, greatly reduces production cost；
2. because guide pipe has not rounded endoporus, the lower end of hollow mandrel is fixedly connected with the guide rod of non-cylindrical configuration,
Therefore, when guide rod is with guide pipe synchronous rotary, guide rod can also carry out linear extendible along not rounded endoporus and move, and guide pipe is not
Only can as power input, guide effect can also be played to hollow mandrel, so as to improve the stability of drive assembly；
3. hollow mandrel is by the way that the clutch shaft bearing being set with an upper portion thereof is installed on the first transmission nut, in being realized with this
Hollow shaft and the positioning of the first transmission nut in the axial direction, have been achieved in that hollow mandrel and first sleeve synchronization lifting, and
Because the supporting role of the first transmission nut can ensure that hollow mandrel rotation is more stablized, clutch shaft bearing and the first transmission nut
Mounting structure it is also compacter；
4. locking structure passes through the groove and the male cooperation of the first transmission nut on the first locking block and the second locking block
By the first transmission nut locking so as to limit the rotation of the first transmission nut, locking structure and the first transmission nut are so achieved that
Without screw install, simplify mounting process；
5. lifting column of the present utility model employs the drive assembly of above-mentioned advantage, by by locking structure and middle pipe
Upper end or lower end are fixedly connected, and the upper end of the upper end or drive screw of drive device and guide pipe is driven and coordinated, and are so used
The drive assembly of same structure is formal dress or the upside-down mounting that lifting column can be achieved, and closely, installation process is fast for mounting structure
Victory is convenient, reduces installation cost；
6. the drive device that lifting column of the present utility model is used passes through the profiled holes that are set on worm gear and transmission spiral shell
The special-shaped body of rod set on bar realizes that power is transmitted, and at utmost simplifies the part of drive connection, the reliability of power transmission
It is obviously improved.
Particular technique effect of the present utility model will be further described in a specific embodiment.
Brief description of the drawings
The utility model is described further below in conjunction with the drawings and specific embodiments：
Fig. 1 is the sectional view of drive assembly in the utility model the first embodiment；
Fig. 2 is the structural representation of drive assembly in the utility model the first embodiment；
Fig. 3 is the sectional view of lifting column in second of embodiment of the utility model；
Fig. 4 is the partial enlarged drawing of a-quadrant in Fig. 3；
Fig. 5 is the sectional view of lifting column in the utility model the third embodiment；
Fig. 6 is the partial enlarged drawing in B regions in Fig. 5.
Embodiment
Embodiment of the present utility model is elaborated below in conjunction with the accompanying drawings.
Embodiment one：
As depicted in figs. 1 and 2, a kind of drive assembly, including hollow mandrel 1, drive screw 2, the first transmission nut 3,
Two transmission nuts 4, sleeve pipe 5 and guide pipe 6.The outer wall of hollow mandrel 1 is provided with external screw thread, and drive screw 2 is located at hollow mandrel 1
Interior, drive screw 2 axially opposed can stretch with the synchronous rotary of hollow mandrel 1 and drive screw 2 with hollow mandrel 1.First
Transmission nut 3 coordinates with the screw thread of drive screw 2, and the second transmission nut 4 coordinates with the screw thread of hollow mandrel 1, and sleeve pipe 5 is set in hollow
The outside of heart axle 1, the second transmission nut 4 is fixedly connected with the upper end of sleeve pipe 5, and the bottom of sleeve pipe 5 is provided with bottom 51, guide pipe 6
It is placed in the inside of sleeve pipe 5 and is restricted between the second transmission nut 4 and bottom 51, so as to realizes guide pipe 6 with rotatable
Mode be limited in sleeve pipe 5, guide pipe 6 and the synchronous rotary of hollow mandrel 1 and guide pipe 6 can be vertically with hollow mandrel 1
Relative telescopic.
The lower end of drive screw 2 is fixedly connected with drive disk assembly 21, and the lower end of hollow mandrel 1 is fixedly connected with guide rod
11, guide rod 11 and drive disk assembly 21 are non-cylindrical configuration, and hollow mandrel 1 is respectively provided with not rounded endoporus, driving section with guide pipe 6
The non-cylindrical configuration of part 21 is adapted to the not rounded endoporus of hollow mandrel 1 so that drive screw 2 and the synchronous rotary of hollow mandrel 1, lead
The not rounded endoporus of non-cylindrical configuration and guide pipe 6 to bar 11 is adapted to so that hollow mandrel 1 and the synchronous rotary of guide pipe 6.At this
In embodiment, the non-cylindrical configuration that guide rod 11 and drive disk assembly 21 are preferred to use is including cylinder and is located at cylinder scapus
The not rounded endoporus of convex key on face, hollow mandrel 1 and guide pipe 6 includes circular inner hole and is located on the hole wall of circular inner hole
Convex key on keyway, drive disk assembly 21 is engaged by clamping with the keyway on hollow mandrel 1, and then realizes that drive screw 2 is hollow with
Convex key on the power transmission of axle 1, guide rod 11 is engaged by clamping with the keyway on guide pipe 6, and then realizes hollow mandrel 1 with leading
Transmitted to the power of pipe 6.It is noted that non-cylindrical configuration and not rounded endoporus be not limited to said structure or
Such as cooperation of D types bar and D type holes and the cooperation of polygon bar and polygonal hole etc., if can realize drive screw 2 with
The non-cylindrical configuration and not rounded endoporus that hollow mandrel 1 and hollow mandrel 1 are transmitted with the power of guide pipe 6 can be implemented, specifically
Structure is not impossible to exhaust in this embodiment.
In the present embodiment, hollow mandrel 1 is set with clutch shaft bearing 12, and clutch shaft bearing 12 is fixedly installed in the first transmission
It is specific using the step surface milled out on the upper end axial plane of hollow mandrel 1 parallel to the upper surface of hollow mandrel 1, first axle on nut 3
Hold on step surface, and annular slot is processed and in annular slot on the axial plane that the upper end of hollow mandrel 1 is milled out
Jump ring 13 is installed, jump ring 13 supports the upper surface of clutch shaft bearing 12, so as to realize hollow mandrel 1 rotatably with first
Transmission nut 3 is positioned in the axial direction.The progress that hollow mandrel 1 can be stablized by setting clutch shaft bearing 12 rotates, and realizes
Hollow mandrel 1 can synchronize linear movement with clutch shaft bearing 12, and the attachment structure closely, is conducive to reducing being driven
The volume of assembly.
In the present embodiment, locking structure 7 of the outside of the first transmission nut 3 provided with limitation the first transmission nut 3 rotation,
Locking structure 7 includes multiple raised 7a being arranged on the outer wall of the first transmission nut 3 and positioned at the periphery of the first transmission nut 3
First locking block 71 and the second locking block 72, the first locking block 71 are provided with the first containing groove, and the second locking block 72 is provided with second
After containing groove, the first locking block 71 and the obvolvent of the second locking block 72, the first containing groove and the second containing groove engage to be formed
Accommodation space, the first transmission nut 3 is located in accommodation space, and the cell wall of the first containing groove is provided with the first neck 71a, second
The cell wall of containing groove is provided with the second neck, and the first neck 71a and the second neck correspond to the projection 7a that is engaged by clamping respectively.
In the present embodiment, the side that the first locking block 71 is docked with the second locking block 72 provided with the first fixed column 711 and
First fixing hole 712, the side that the second locking block 72 is docked with the first locking block 71 is provided with the second fixed column and the second fixing hole,
After first locking block 71 and the obvolvent of the second locking block 72, pass through the first fixed column 711 and the second fixing hole grafting, the second fixed column
With the grafting of the first fixing hole 712, so as to realize that the first locking block 71 is limited with the second locking block 72 on lift assembly axial direction
It is mobile, that is, realize first transmission nut 3 of the first locking block 71 and the locking of the second locking block 72.Due to the first neck
71a and the second neck 72a are engaged by clamping with a projection 7a respectively, and drive assembly is installed in lifting column rear locking structure
7 will be firmly fixed, therefore locking structure 7 also just realizes that the first transmission nut 3 is rotated by limitation by limitation rotation, so in
When hollow shaft 1 rotates, locking structure 7 will linearly be moved with the opposite hollow heart axle 1 of the first transmission nut 3, now locking
Structure 7 also functions as power transmission component driving lifting column lifting.
Embodiment two：
It is shown as shown in Figure 1, Figure 3 and Figure 4, a kind of lifting column of the present embodiment, including the inner tube being set with successively from inside to outside
81st, middle pipe 82, outer tube 83, the drain pan 84 being fixedly connected with the upper end of inner tube 81, the drive device 9 being arranged in drain pan 84 and
The drive assembly coordinated is driven with drive device 9, the drive assembly is the drive assembly in embodiment one, and the biography in Fig. 3
Dynamic assembly is that the drive assembly in Fig. 1 is reverse mounted, and drive device 9 and the upper end transmission of guide pipe 6 coordinate, the lower end of outer tube 83
Provided with bottom plate 831, locking structure 7 is fixedly connected with the lower end of middle pipe 82, and the upper end of inner tube 81 is provided with top plate 811, top plate 811 with
The upper surface of sleeve pipe 5 is bolted, and top plate 811 is fixedly connected with drain pan 84 also by bolt, so as to realize sleeve pipe 5 and bottom
Shell 84 is fixedly connected.
The lower end of drive screw 2 is set with second bearing 22, and second bearing 22 is fixed in a bearing block 23, bearing block
23 have storage tank, and second bearing 22 is installed in storage tank, the bearing block 23 be fixedly connected with the upper surface of bottom plate 831 and
Bottom plate 831 covers the opening of storage tank so that second bearing 22 is limited in storage tank to deviate from by bottom plate 831, so that real
The lower end of existing drive screw 2 is rotatably positioned in the axial direction with bottom plate 831, in order that the axle of drive screw 2 and second
Hold 22 assemblings to consolidate, provided with screw 24 and briquetting 25, bottom plate 831 are set with the lower end of drive screw 2 in the lower end of drive screw 2
Through hole 831a is passed through provided with voltage supply block 25, is connected by a bolt 26 through briquetting 25 with screw 24 so that briquetting 25 is by the
Two bearings 22 are pressed in bearing block 23.
As shown in Figure 2 and Figure 4, in the present embodiment, drive device 9 includes motor 91, is connected on the output shaft of motor 91
Worm screw 92, be driven the worm gear 93 coordinated with worm screw 92, worm gear 93 is provided with upper profiled holes 931, the endoporus of guide pipe 6 with it is special-shaped
Hole 931 realizes that power is transmitted by the first special-shaped body of rod 61, and the first special-shaped body of rod 61 is exported including first input end 611 and first
End 612, the output end 612 of first input end 611 and first is non-cylindrical configuration and is preferred to use hexagonal bar structure, special-shaped
Hole 931 and the endoporus of guide pipe 6 are preferred to use hexagon ring, and first input end 611 is adapted to profiled holes 931, the first output end 612
It is adapted to the endoporus of guide pipe 6, realizes that the power of worm gear 93 and guide pipe 6 is transmitted with this.
The running of the lifting column of the present embodiment is：Motor 91 in drive device 9 drives worm screw 92 to rotate, worm screw
92 driving worm gears 93 rotate, and worm gear 93 drives guide pipe 6 to rotate by the first special-shaped body of rod 61, and guide pipe 6 passes through guide rod 11
Hollow mandrel 1 is driven, hollow mandrel 1 drives drive screw 2 to rotate by drive disk assembly 21, therefore, guide pipe 6, hollow mandrel 1
With drive screw 2 by the synchronous rotary under the drive of worm gear 93, because drive screw 2 is spacing in the axial direction with bottom plate 83, therefore,
First transmission nut 3 will be lifted along the axial direction of drive screw 2, and the first transmission nut 3 is managed in being driven by locking structure 7
92 liftings, hollow mandrel 1 is lifted while rotation with the first transmission nut 3, and the second transmission nut 4 is then hollow in
The axial direction of axle 1 is lifted, and the second transmission nut 4 drives drive device 9 to lift by guide pipe 6, and drive device 9 drives drain pan
84 and the outer tube 93 that is linked together with drain pan 84 lift, so as to realize the lifting of lifting column.Guide rod 11 in the process
Linear displacement is produced along the endoporus of guide pipe 6, guide pipe 6 serves guide effect to hollow mandrel 1 so that drive assembly is not
Easily occur radially to rock, so the operation of drive assembly can more stablize.
Embodiment three：
As shown in Figure 2, Figure 5 and Figure 6, the present embodiment and the difference of embodiment two are, the drain pan in lifting column
84 are fixedly connected with the upper end of outer tube 83, and drive device 9 is then driven with the upper end of drive screw 2 to be coordinated, locking structure 7 and middle pipe
82 upper end is fixedly connected, and drive assembly is the drive assembly in Fig. 2, and its installation direction is with embodiment two on the contrary, embodiment
Bottom plate 831 in two is located at the upper end of outer tube 83, and the bottom plate 831 is bolted to connection with drain pan 84, in embodiment two
Top plate 811 is located at the lower end of inner tube 81, and the lower end of sleeve pipe 5 is bolted to connection with the top plate 811, so as to realize sleeve pipe 5
Lower end be held in the lower surface of inner tube 81.
In the present embodiment, drive screw 2 realizes that power is transmitted with profiled holes 931 by the second special-shaped body of rod 27, second
The special-shaped body of rod 27 includes the second input 271 and the second output end 272, and the second input 271 and the second output end 272 are non-
Cylindrical structure and be preferred to use hexagonal bar structure, profiled holes 931 are preferred to use hexagon ring, the second input 271 with it is special-shaped
Hole 931 is adapted to, and the second output end 272 is bolted to connection with drive screw 2, and worm gear 93 and drive screw 2 are realized with this
Power transmission.
The operation logic of the lifting column of the present embodiment is roughly the same with embodiment two, and difference is, worm gear 93 passes through
The two special-shaped bodies of rod 27 drive drive screw 2 to rotate, and now drive screw 2 is active rotary part, and guide pipe 6 is then driven rotation
Part.
The utility model preferred embodiment is described above, but is not to be construed as limiting the scope of the invention.
The utility model is not only limited to above example, and its concrete structure allows to change, and those skilled in the art can be according to this
Utility model is variously modified and deformed, without departing from spirit of the present utility model, belongs to the appended power of the utility model
Profit requires defined scope.
Claims (11)
1. a kind of drive assembly, it is characterised in that including：
Hollow mandrel, its outer wall is provided with external screw thread；
Drive screw, it is located in hollow mandrel, the drive screw can with hollow mandrel synchronous rotary and drive screw with it is hollow
Heart axle axially opposed can stretch；
First transmission nut, it coordinates with drive screw screw thread, and the hollow mandrel is rotatably driven spiral shell with first
Mother positions in the axial direction, locking structure of the outside provided with limitation the first transmission nut rotation of first transmission nut；
Second transmission nut, it coordinates with hollow mandrel screw thread；
Sleeve pipe, it is set in outside hollow mandrel, and second transmission nut is fixedly connected with sleeve pipe；
Guide pipe, it is rotatably limited in sleeve pipe, the guide pipe and hollow mandrel synchronous rotary and guiding
Pipe axially opposed can stretch with hollow mandrel.
2. a kind of drive assembly according to claim 1, it is characterised in that the lower end of the hollow mandrel is fixedly connected with
Guide rod, the guide rod is non-cylindrical configuration, and the guide pipe has not rounded endoporus, and non-cylindrical configuration is adapted to not rounded endoporus
So that hollow mandrel and guide pipe synchronous rotary.
3. a kind of drive assembly according to claim 1, it is characterised in that the hollow mandrel is set with clutch shaft bearing,
The clutch shaft bearing is fixedly installed on the first transmission nut.
4. a kind of drive assembly according to claim 1, it is characterised in that the locking structure includes multiple being arranged at the
Projection on one transmission nut outer wall and the first locking block and the second locking block positioned at the first transmission nut periphery, described the
One locking block is provided with the first containing groove, and the second locking block is provided with the second containing groove, the first locking block and second
After locking block obvolvent, the first containing groove and the second containing groove engage to form accommodation space, and first transmission nut is located at
In accommodation space, the cell wall of first containing groove is provided with the first neck, and the cell wall of second containing groove is provided with
Second neck, first neck and the second neck correspond to the projection that is engaged by clamping respectively.
5. a kind of drive assembly according to claim 4, it is characterised in that the first locking block and the second locking block pair
The side connect is provided with the first fixed column and the first fixing hole, and the side that the second locking block is docked with the first locking block is provided with the
After two fixed columns and the second fixing hole, the first locking block and the second locking block obvolvent, the first fixed column and the second fixing hole
Grafting, the second fixed column and the first fixing hole grafting.
6. a kind of drive assembly according to Claims 1 to 5 any one, it is characterised in that covered on the drive screw
Equipped with second bearing, the second bearing is fixed in a bearing block.
7. a kind of lifting column, including be set with successively from inside to outside inner tube, middle pipe, outer tube, be fixedly connected with the upper end of inner tube
Drain pan, the drive device that is arranged in drain pan and be driven the drive assembly coordinated with drive device, it is characterised in that it is described
Drive assembly is the drive assembly described in claim 1~6 any one, and the upper end transmission of the drive device and guide pipe is matched somebody with somebody
Close, the lower end of the outer tube is provided with bottom plate, and the lower end of the drive screw is rotatably positioned in the axial direction with bottom plate,
The locking structure is fixedly connected with the lower end of middle pipe, and described sleeve pipe is fixedly connected with drain pan.
8. a kind of lifting column according to claim 7, it is characterised in that the drive device includes motor, is connected to
Worm screw on motor output shaft, the worm gear coordinated with worm-drive, the worm gear are provided with upper profiled holes, the guide pipe it is interior
Realize that power is transmitted by the first special-shaped body of rod with profiled holes in hole.
9. a kind of lifting column, including be set with successively from inside to outside inner tube, middle pipe, outer tube, be fixedly connected with the upper end of outer tube
Drain pan, the drive device that is arranged in drain pan and be driven the drive assembly coordinated with drive device, it is characterised in that it is described
Drive assembly is the drive assembly described in claim 1~6 any one, the upper end transmission of the drive device and drive screw
Coordinate, the locking structure is fixedly connected with the upper end of middle pipe, and the lower end of described sleeve pipe is held in the lower surface of inner tube.
10. a kind of lifting column according to claim 9, it is characterised in that the second axle is set with the drive screw
Hold, the second bearing is fixed in a bearing block, the bearing block is fixedly connected with drain pan.
11. a kind of lifting column according to claim 9, it is characterised in that the drive device includes motor, is connected to
Worm screw on motor output shaft, the worm gear coordinated with worm-drive, the worm gear are provided with upper profiled holes, the drive screw with
Profiled holes realize that power is transmitted by the second special-shaped body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026040.2U CN206571923U (en) | 2017-01-10 | 2017-01-10 | A kind of drive assembly and lifting column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026040.2U CN206571923U (en) | 2017-01-10 | 2017-01-10 | A kind of drive assembly and lifting column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571923U true CN206571923U (en) | 2017-10-20 |
Family
ID=60061431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720026040.2U Withdrawn - After Issue CN206571923U (en) | 2017-01-10 | 2017-01-10 | A kind of drive assembly and lifting column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571923U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130127A1 (en) * | 2017-01-10 | 2018-07-19 | 浙江捷昌线性驱动科技股份有限公司 | Drive assembly and lifting column |
| CN109342577A (en) * | 2018-11-02 | 2019-02-15 | 国核电站运行服务技术有限公司 | Multinest lifting and synchronizing ultrasound scanning and searching mechanism for online ultrasound detection |
| CN110626974A (en) * | 2019-08-26 | 2019-12-31 | 浙江捷昌线性驱动科技股份有限公司 | Built-in electric lift stand of cable |
| 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 |
-
2017
- 2017-01-10 CN CN201720026040.2U patent/CN206571923U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130127A1 (en) * | 2017-01-10 | 2018-07-19 | 浙江捷昌线性驱动科技股份有限公司 | Drive assembly and lifting column |
| CN106641148B (en) * | 2017-01-10 | 2020-09-18 | 浙江捷昌线性驱动科技股份有限公司 | Transmission assembly and lifting upright post |
| US11454306B2 (en) | 2017-01-10 | 2022-09-27 | Zhejiang Jiecang Linear Motion Technology Co., Ltd. | Transmission assembly and lifting column |
| CN109342577A (en) * | 2018-11-02 | 2019-02-15 | 国核电站运行服务技术有限公司 | Multinest lifting and synchronizing ultrasound scanning and searching mechanism for online ultrasound detection |
| CN109342577B (en) * | 2018-11-02 | 2020-12-08 | 国核电站运行服务技术有限公司 | Multiple nested lifting and synchronous ultrasonic scanning mechanism for online ultrasonic detection |
| 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 |
| CN110626974A (en) * | 2019-08-26 | 2019-12-31 | 浙江捷昌线性驱动科技股份有限公司 | Built-in electric lift stand of cable |
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Granted publication date: 20171020 Effective date of abandoning: 20200918 |
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