CN209604375U - A kind of Multi-stage transmission telescopic device - Google Patents
A kind of Multi-stage transmission telescopic device Download PDFInfo
- Publication number
- CN209604375U CN209604375U CN201920343878.3U CN201920343878U CN209604375U CN 209604375 U CN209604375 U CN 209604375U CN 201920343878 U CN201920343878 U CN 201920343878U CN 209604375 U CN209604375 U CN 209604375U
- Authority
- CN
- China
- Prior art keywords
- turn
- screw
- telescoping tube
- telescopic device
- guide sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 60
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to lifting device fields, disclose a kind of Multi-stage transmission telescopic device, including motor housing, the first telescoping tube is connected on motor housing, the second telescoping tube is slidably connected in the first telescoping tube, lower support tube is slidably connected in the second telescoping tube；Decelerating motor is installed, decelerating motor output end is connected with the first turn-screw, and the first turn-screw lower end is equipped with the first lead screw guide sleeve in the motor housing；Second telescoping tube upper end is connected with the first transmission swivel nut, first transmission swivel nut is threadedly coupled with the first turn-screw, first transmission swivel nut lower part is equipped with the second turn-screw, second turn-screw is slidably connected with the first lead screw guide sleeve, and the second turn-screw bottom is equipped with the second lead screw guide sleeve that cross section is polygon；Lower support tube upper end is connected with the second transmission swivel nut, and the second transmission swivel nut is threadedly coupled with the second turn-screw.The utility model overcomes the problem of device manufacturing existing in the prior art at high cost, waste of material.
Description
Technical field
The utility model relates to lifting device field more particularly to a kind of Multi-stage transmission telescopic devices.
Background technique
Many articles in life need to carry out height adjustment, such as desk, office chair, adjust desk, office chair
Height reach comfortable position be conducive to for a long time handle official business.
Lift telescopic mechanism in the prior art generally includes multiple telescoping tubes and multiple lead screws, and in the prior art, silk
Thick stick outer ring is equipped with guide sleeve, and guide sleeve outer ring is equipped with elongated tubular object, passes through the cooperation of guide sleeve and elongated tubular object inner cavity, realization pair
The guiding of lead screw, so that manufacturing cost is high, waste of material.
Utility model content
The utility model is intended to provide a kind of Multi-stage transmission telescopic device, existing in the prior art stretches device system to overcome
The problem of making at high cost, waste of material.
In order to achieve the above objectives, the technical solution of the utility model is as follows: a kind of Multi-stage transmission telescopic device, including motor
Housing is connected with the first telescoping tube on motor housing, slidably connects the second telescoping tube in the first telescoping tube, in the second telescoping tube
Slidably connect lower support tube；Decelerating motor is installed, decelerating motor output end is connected with the first transmission in the motor housing
Lead screw, the first turn-screw are located in the first telescoping tube, and the first turn-screw lower end is fixedly connected with the first lead screw guide sleeve, the
The cross section of one lead screw guide sleeve is polygon；Second telescoping tube upper end is connected with the first transmission swivel nut, the first transmission spiral shell
Set is threadedly coupled with the first turn-screw, and the first transmission swivel nut lower part is equipped with the second turn-screw, and the second turn-screw is positioned at the
In two telescoping tubes, the second turn-screw is slidably connected with the first lead screw guide sleeve, and the second turn-screw bottom is equipped with second
Thick stick guide sleeve, the cross section of the second lead screw guide sleeve are polygon；The lower support tube upper end is connected with the second transmission swivel nut, the
Two transmission swivel nuts are threadedly coupled with the second turn-screw.
The working principle of the technical scheme is as follows: starting decelerating motor, decelerating motor output end drive the first turn-screw to turn
Dynamic, since the first turn-screw is threadedly coupled with the first transmission swivel nut, the first turn-screw drives the rotation of the first lead screw guide sleeve
It moves up simultaneously, the first turn-screw drives decelerating motor and the first telescoping tube to move upwards；The cross of first lead screw guide sleeve
Section is polygon, so that the first lead screw guide sleeve can only be slided up and down with respect to the second turn-screw, and it is relatively unrotatable, because
This first lead screw guide sleeve can transmit torsion to the second turn-screw when rotating, so that the second turn-screw be made to rotate.Second passes
Dynamic lead screw is threadedly coupled with the second transmission swivel nut, therefore the second transmission lead screw is rotated while being moved up, the second lead screw guide sleeve
It moving up for the rotation of the second turn-screw and makees straight-line guidance effect, the second turn-screw drives the second telescoping tube to move upwards, this
When, realize the first telescoping tube and the second telescoping tube while the function of moving up.
Above-mentioned technical proposal compared with prior art the advantages of be: 1, in the technical program, the second lead screw guide sleeve is to
Two turn-screws play straight-line guidance, ensure that the stability of the second turn-screw, and in the prior art, lead screw outer ring is equipped with
Guide sleeve, guide sleeve outer ring are equipped with elongated tubular object, by the cooperation of guide sleeve and elongated tubular object inner cavity, realize the flexible of lead screw,
Compare the prior art, and the technical program structure is simpler, to save material, reduces manufacturing cost.2, this programme passes through
First turn-screw and the synchronous rising of the second turn-screw, screw compared with the prior art are gone up and down successively, and this programme is when same
Interior distance of stretch out and draw back is longer, to improve work efficiency.
Further, the first gap elasticity adjusting sleeve is installed between first telescoping tube and the second telescoping tube；Described
Second gap elasticity adjusting sleeve is installed between two telescoping tubes and lower support tube.In the prior art, the gap between telescoping tube
Adjustment manually measures its gap size using first, then selects the gasket of a variety of different-thickness in a manner of increasing or decreasing
It realizes, this mode is time-consuming and laborious, and passes through the setting of gap elasticity adjusting sleeve, and increase and decrease gasket energy is not had between telescoping tube
Gap adjustment is realized, to reduce manpower and material resources.
Further, the first gap elasticity adjusting sleeve and the second gap elasticity adjusting sleeve respectively include four thin slices, thin
Piece is wave curved, and thin slice surrounds frame-shaped jointly, and the lower section of thin slice is respectively connected with convex ribs, first telescoping tube and second
The inner wall of telescoping tube is respectively equipped with four grooves for being clamped with convex ribs.Convex ribs are matched with groove, are realized between first
Gap elasticity adjusting sleeve and the positioning of the second gap elasticity adjusting sleeve, flange are respectively acting on the pipe of the first telescoping tube and the second telescoping tube
Play thrust function in mouth end face.Between first gap elasticity adjusting sleeve is from bottom to top inserted between the first telescoping tube and the second telescoping tube
Gap, suppressing for the wave curved surface of the first gap elasticity adjusting sleeve ensure that the first telescoping tube is steadily connect with the second telescoping tube, the
Two gap elasticity adjusting sleeves are from bottom to top inserted into the gap between the second telescoping tube and lower support tube, the second gap elasticity adjusting sleeve
Suppressing for wave curved surface ensure that the second telescoping tube is steadily connect with lower support tube.
Further, shaft coupling is connected between the geared motor output shaft and the first turn-screw.Shaft coupling can prevent
First turn-screw bears excessive load, plays the role of overload protection.
Further, motor fixing seat is installed in affiliated motor housing, elastic neck and is offered in motor fixing seat
One bearing position, engaging has decelerating motor in elastic neck, is equipped with slide bushing in first bearing position, and slide bushing is socketed in the
One turn-screw top.The setting of slide bushing play supporting role to the first turn-screw, ensure that the flat of the first turn-screw
Stability.
Further, bearing is installed between the first transmission swivel nut and the second turn-screw.The setting of bearing reduces
The frictional resistance of second turn-screw rotation.
Further, it is equipped with positioning pressuring plate above the shaft coupling, positioning pressuring plate is connect with motor fixing seat lower screws.It is fixed
Position pressing plate screw is realized decelerating motor, shaft coupling and motor housing and is positioned, while the connection between part is more stepped up
It is close.
Further, the lower support bottom of the tube is fixedly connected with lower fixed feet.Lower fixed feet plays Zhi Chengzuo to whole device
With improving the stability of whole device.
Further, the motor housing top side detachable is connected with housing cover board.Effectively prevent in housing cover board dust into
Enter in motor housing.
Further, the cross section of the first lead screw guide sleeve is hexagon；The cross section of the second lead screw guide sleeve
For rectangle.Torsion is transmitted by hexagonal setting, so that the rotation of the first turn-screw is made to drive the rotation of the second turn-screw,
And hexagon and rectangular shape rule are beautiful.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of Multi-stage transmission telescopic device embodiment of the utility model；
Fig. 2 is a kind of explosive view of Multi-stage transmission telescopic device embodiment of the utility model；
Fig. 3 is a kind of schematic diagram of Multi-stage transmission telescopic device embodiment transmission assembly of the utility model；
Fig. 4 is the perspective view of motor fixing seat in a kind of Multi-stage transmission telescopic device embodiment of the utility model；
Fig. 5 is the schematic diagram of the first telescoping tube in a kind of Multi-stage transmission telescopic device embodiment of the utility model；
Fig. 6 is the perspective view of the first transmission swivel nut in a kind of Multi-stage transmission telescopic device embodiment of the utility model；
Fig. 7 is the solid of the first gap elasticity adjusting sleeve in a kind of Multi-stage transmission telescopic device embodiment of the utility model
Figure；
Fig. 8 is the perspective view of the second lead screw guide sleeve in a kind of Multi-stage transmission telescopic device embodiment of the utility model；
Fig. 9 is the perspective view of lower fixed feet in a kind of Multi-stage transmission telescopic device embodiment of the utility model.
Figure 10 is the partial enlarged view of A in Fig. 1；
Figure 11 is the partial enlarged view of B in Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: decelerating motor 1, motor housing 2, housing cover board 3, shaft coupling 4, motor
Fixing seat 5, slide bushing 6, the first telescoping tube 7, the first turn-screw 8, first transmission swivel nut 9, the first lead screw guide sleeve 10, the
Two turn-screws 11, the first gap elasticity adjusting sleeve 12, the second telescoping tube 13, second are driven swivel nut 14, the second lead screw guide sleeve
15, the second gap elasticity adjusting sleeve 16, lower support tube 17, lower fixed feet 18.
Embodiment is basic as shown in attached drawing 1 to attached drawing 11: a kind of Multi-stage transmission telescopic device, including motor housing 2, motor
2 bottom surface of housing is welded with the first telescoping tube 7, slidably connects the second telescoping tube 13 in the first telescoping tube 7, in the second telescoping tube 13
Lower support tube 17 is slidably connected, the cross section of the first telescoping tube 7, the second telescoping tube 13 and lower support tube 17 is rectangle.Electricity
Buckle is connected with housing cover board 3 at the top of hood shell 2, and motor fixing seat 5 is equipped in motor housing 2, is opened up in motor fixing seat 5
Flexible card slot, first bearing position and the first threaded hole, the interior engaging of elastic neck have decelerating motor 1, install in first bearing position
There is slide bushing 6, the first turn-screw 8 is installed in slide bushing 6, the first turn-screw 8 is located in the first telescoping tube 7；Subtract
1 output end of speed motor is equipped with shaft coupling 4, and shaft coupling 4 connect with 8 top spline of the first turn-screw, is equipped at the top of shaft coupling 4
Positioning pressuring plate offers the second threaded hole on positioning pressuring plate, and the first threaded hole is connected by screw to the second threaded hole；First passes
Dynamic lead screw 8 is designed as multiple thread, and the outer ring on 8 top of the first turn-screw offers first annular slot, card in first annular slot
Conjunction has the first shaft block ring, and 8 lower spline of the first turn-screw is connected with the first lead screw guide sleeve 10, the first lead screw guide sleeve 10
Cross section be hexagon, the bottom of the first turn-screw 8 is connect with the lower screws of the first lead screw guide sleeve 10.
Second telescoping tube, 13 upper end screw is connected with the first transmission swivel nut 9, and the first transmission 9 cross section of swivel nut is rectangle, the
One transmission swivel nut 9 is threadedly coupled with the first turn-screw 8, and the first transmission 9 lower part of swivel nut offers second bearing position, second bearing
Bearing is installed on position, the second turn-screw 11 is installed in bearing, the second turn-screw 11 is located in the second telescoping tube 13, the
Two turn-screws 11 are designed as multiple thread, and the second annular groove and bearing cover slot, the second annular are offered in the first transmission swivel nut 9
Engaging has the second shaft block ring in slot, and engaging has a bearing cap in bearing cover slot, and the second shaft block ring and bearing cap are set in the
Two turn-screws, 11 outer ring, Hexagon hole is offered in the second turn-screw 11, and Hexagon hole and the first lead screw guide sleeve 10 are sliding
Dynamic cooperation, the first turn-screw 8 protrude into Hexagon hole, and 11 lower part of the second turn-screw is connected with the second lead screw guide sleeve 15,
Second lead screw guide sleeve, 15 cross section is rectangle, and the second lead screw guide sleeve 15 is slidably matched with the second telescoping tube 13, the second transmission
The outer ring of 11 lower part of lead screw offers third annular groove, and engaging has third shaft block ring in third annular groove.On lower support tube 17
End screw is connected with the second transmission swivel nut 14, and the second transmission 14 cross section of swivel nut is rectangle, and the second transmission swivel nut 14 and second pass
Dynamic lead screw 11 is threadedly coupled, and lower 17 lower screws of support tube are connected with lower fixed feet 18.
First gap elasticity adjusting sleeve 12, the second telescoping tube 13 are installed between first telescoping tube 7 and the second telescoping tube 13
Second gap elasticity adjusting sleeve 16 is installed between lower support tube 17.First gap elasticity adjusting sleeve 12 and the second gap elasticity
Adjusting sleeve 16 respectively includes four thin slices, and thin slice is wave curved, and thin slice surrounds frame-shaped jointly, and the lower section of thin slice is respectively affixed
There are a convex ribs, the top of thin slice is respectively connected with rectangular flange, and the inner wall of the first telescoping tube 7 and the second telescoping tube 13 is respectively equipped with four
Road is used for the groove being clamped with convex ribs.
Specific implementation process is as follows: lower fixed feet 18 being placed in the horizontal plane, makes lower fixed feet 18 to entire flexible dress
It sets and play supporting role.Lower fixed feet 18 can be diversified forms.The utility model is using one plastic cement of capping on channel steel foot
Housing, it appears beautiful and generous.Firstly, starting decelerating motor 1,1 output end of decelerating motor, which transmits torsion by shaft coupling 4, makes first
Turn-screw 8 rotates, and since the first transmission swivel nut 9, the second telescoping tube 13 and lower 17 cross section of support tube are rectangle, first is passed
Movable snail sleeve 9, the second telescoping tube 13 and lower support tube 17 can only be slided up and down without being able to rotate, and the first turn-screw 8 and first
It is driven swivel nut 9 to be threadedly coupled, be moved up in 8 rotation process of the first turn-screw, the first turn-screw 8 drives decelerating motor 1
It is moved upwards simultaneously with the first telescoping tube 7；Since the cross section of the first lead screw guide sleeve 10 is hexagon, so that the first lead screw is led
It can only be slided up and down to opposite second turn-screw 11 of set 10, and it is relatively unrotatable, therefore the first lead screw guide sleeve 10 rotates
When can transmit torsion to the second turn-screw 11, so that the second turn-screw 11 be made to follow 8 synchronous rotary of the first turn-screw, this
When, the first lead screw guide sleeve 10 is that the flexible of rotation realization of the first turn-screw 8 plays linear slide guiding role.Due to
Two turn-screws 11 are threadedly coupled with the second transmission swivel nut 14, and the second turn-screw 11 is being rotated while being moved up, second
Thick stick guide sleeve 15 is that the second turn-screw 11 plays straight-line guidance, and the second turn-screw 11 drives second to be driven swivel nut 14 and the
Two telescoping tubes 13 move up simultaneously, at this point, realizing the first telescoping tube 7 and the second telescoping tube 13 while the function moved up
Energy.
Convex ribs are matched with groove, and it is fixed to the first gap elasticity adjusting sleeve 12 and the second gap elasticity adjusting sleeve 16 to realize
Position, the nozzle end face start-stop that flange is respectively acting on the first telescoping tube 7 and the second telescoping tube 13 push away effect.First gap elasticity tune
The whole series 12 are from bottom to top inserted into the gap between the first telescoping tube 7 and the second telescoping tube 13, the first gap elasticity adjusting sleeve 12
Suppressing for wave curved surface ensure that the first telescoping tube 7 is steadily connect with the second telescoping tube 13, the second gap elasticity adjusting sleeve 16 by
The lower and upper gap being inserted between the second telescoping tube 13 and lower support tube 17, the wave curved surface of the second gap elasticity adjusting sleeve 16
It suppresses and ensure that the second telescoping tube 13 is steadily connect with lower support tube 17.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (10)
1. a kind of Multi-stage transmission telescopic device, it is characterised in that: including motor housing, it is flexible that first is connected on motor housing
It manages, slidably connects the second telescoping tube in the first telescoping tube, lower support tube is slidably connected in the second telescoping tube；The motor cover
Decelerating motor is installed, decelerating motor output end is connected with the first turn-screw, and it is flexible that the first turn-screw is located at first in shell
In pipe, the first turn-screw lower end is fixedly connected with the first lead screw guide sleeve, and the cross section of the first lead screw guide sleeve is polygon；
Second telescoping tube upper end is connected with the first transmission swivel nut, and the first transmission swivel nut is threadedly coupled with the first turn-screw, and first
It is driven swivel nut lower part and is equipped with the second turn-screw, the second turn-screw is located in the second telescoping tube, the second turn-screw and first
Lead screw guide sleeve is slidably connected, and the second turn-screw bottom is equipped with the second lead screw guide sleeve, the second lead screw guide sleeve it is transversal
Face is polygon；The lower support tube upper end is connected with the second transmission swivel nut, the second transmission swivel nut and the second turn-screw screw thread
Connection.
2. a kind of Multi-stage transmission telescopic device according to claim 1, it is characterised in that: first telescoping tube and second
First gap elasticity adjusting sleeve is installed between telescoping tube；The second gap is installed between second telescoping tube and lower support tube
Elastic adjusting sleeve.
3. a kind of Multi-stage transmission telescopic device according to claim 2, it is characterised in that: the adjustment of first gap elasticity
Set and the second gap elasticity adjusting sleeve respectively include four thin slices, and thin slice is wave curved, and thin slice surrounds frame-shaped, thin slice jointly
Lower section be respectively connected with convex ribs, the top of thin slice is respectively connected with rectangular flange, first telescoping tube and the second telescoping tube
Inner wall be respectively equipped with four for the grooves that are clamped with convex ribs.
4. a kind of Multi-stage transmission telescopic device according to claim 1, it is characterised in that: the geared motor output shaft with
Shaft coupling is connected between first turn-screw.
5. a kind of Multi-stage transmission telescopic device according to claim 4, it is characterised in that: be equipped in affiliated motor housing
Motor fixing seat offers elastic neck and first bearing position in motor fixing seat, and engaging has decelerating motor in elastic neck, the
Slide bushing is installed, slide bushing is socketed in the first turn-screw top in one bearing position.
6. a kind of Multi-stage transmission telescopic device according to claim 5, it is characterised in that: the first transmission swivel nut and the
Bearing is installed between two turn-screws.
7. a kind of Multi-stage transmission telescopic device according to claim 6, it is characterised in that: it is fixed to be equipped with above the shaft coupling
Position pressing plate, positioning pressuring plate are connect with motor fixing seat lower screws.
8. a kind of Multi-stage transmission telescopic device according to claim 7, it is characterised in that: the lower support bottom of the tube is removable
It unloads and is connected with lower fixed feet.
9. a kind of Multi-stage transmission telescopic device according to claim 8, it is characterised in that: removable at the top of the motor housing
It unloads and is connected with housing cover board.
10. a kind of Multi-stage transmission telescopic device according to claim 9, it is characterised in that: the first lead screw guide sleeve
Cross section be hexagon；The cross section of the second lead screw guide sleeve is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343878.3U CN209604375U (en) | 2019-03-18 | 2019-03-18 | A kind of Multi-stage transmission telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343878.3U CN209604375U (en) | 2019-03-18 | 2019-03-18 | A kind of Multi-stage transmission telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604375U true CN209604375U (en) | 2019-11-08 |
Family
ID=68404938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920343878.3U Expired - Fee Related CN209604375U (en) | 2019-03-18 | 2019-03-18 | A kind of Multi-stage transmission telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022105856A1 (en) * | 2020-11-20 | 2022-05-27 | 浙江捷昌线性驱动科技股份有限公司 | Transmission assembly for lifting column |
-
2019
- 2019-03-18 CN CN201920343878.3U patent/CN209604375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022105856A1 (en) * | 2020-11-20 | 2022-05-27 | 浙江捷昌线性驱动科技股份有限公司 | Transmission assembly for lifting column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203207479U (en) | Electric lifting table | |
| CN209604375U (en) | A kind of Multi-stage transmission telescopic device | |
| CN204686081U (en) | A kind of radial drilling machine | |
| CN210476580U (en) | A quick clamping device for flat key processing | |
| CN218455078U (en) | Computer display screen with regulatory function | |
| CN204977096U (en) | Closing device of silicon rod anchor clamps | |
| CN203738452U (en) | Novel adjustable power-driven press mounting clamp | |
| CN209876362U (en) | Computer display base | |
| CN211453853U (en) | CCD detection device convenient to dismouting | |
| CN208695718U (en) | A kind of saw bit matrix cleaning machine | |
| CN209938060U (en) | Novel UV flatbed printer's location device | |
| CN206445463U (en) | Suction nozzle tunable arrangement | |
| CN107253610B (en) | A kind of disposable paper cup withdrawing device | |
| CN217195166U (en) | High-temperature explosion-proof axial flow fan research and development workbench | |
| CN216426639U (en) | Guide wheel mechanism of stacking machine | |
| GB2567575A (en) | A photovoltaic power generation device | |
| CN220800418U (en) | Lifting table convenient for using computer | |
| CN220486109U (en) | Ironing table | |
| CN206280380U (en) | A kind of lock device | |
| CN220628577U (en) | Electrical equipment convenient for fixing drawing | |
| CN106624713A (en) | Device with adjustable suction head | |
| CN204141500U (en) | A kind of LED shadowless lamp motorized adjustment hot spot device | |
| CN221099466U (en) | Waste heat recovery device for reducing carbon emission | |
| CN219486375U (en) | Floating induction bracket | |
| CN218236976U (en) | Single-action pneumatic actuator with hand wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 |