CN209018612U - A kind of lifting plate mechanism and its dust catcher of dust catcher - Google Patents
A kind of lifting plate mechanism and its dust catcher of dust catcher Download PDFInfo
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- CN209018612U CN209018612U CN201821317141.6U CN201821317141U CN209018612U CN 209018612 U CN209018612 U CN 209018612U CN 201821317141 U CN201821317141 U CN 201821317141U CN 209018612 U CN209018612 U CN 209018612U
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- plate
- radial
- dust catcher
- lifter plate
- button
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Abstract
The utility model discloses a kind of lifting plate mechanism of dust catcher and its dust catcher, including lifter plate, lower surface has idler wheel；Bottom plate has the hole passed through for idler wheel set on the lower section of lifter plate on bottom plate；Elevating mechanism has the bull stick being arranged in above lifter plate, and radial plate, button are integrally fixed on bull stick, and radial plate and button are arranged in fixed angle；Actuation button, around bull stick own axis, the end of radial plate is contacted with the upper surface of lifter plate for button, radial plate, and the radial plate end driving lifter plate of movement in a curve carries out vertical lines movement.Radial plate includes the first radial plate, the second radial plate of mutual arrangement at an acute angle.It can be convenient to realize the swing of radial plate by trampling button using this utility model personnel, push lifter plate vertical motion, whether bottom plate is protruded to determine idler wheel, switch sliding friction and rolling friction, the earth's surface pattern of dust suction to adapt to reduces resistance suffered when Floor nozzle of duster movement.
Description
Technical field
The utility model relates to cleaner fields, and in particular to a kind of lifting plate mechanism and its dust catcher of dust catcher.
Background technique
Currently, the scrubbing brush of dust catcher is in order to meet newest horsepower requirements, leakproofness requires to be made in whole system design
Very well, but simultaneously but also scrubbing brush gap is small, too closely when being contacted with ground, cause scrubbing brush to receive when pushing on floor
Frictional resistance is big, is degrading user experience.Meanwhile there is also differences for the earth's surface of dust suction, for example, in dust suction on ceramic tile, scrubbing brush
Can ground proximity as far as possible, it is smaller such frictional resistance, when the dust suction on pile carpet, if scrubbing brush and carpet mistake
In very big close to the frictional resistance being then subject to, it is not easy to personnel's operation, scrubbing brush needs appropriate to raise height.
Utility model content
Problem to be solved in the utility model is to provide the lifting plate mechanism and its dust catcher of a kind of dust catcher, Ren Yuanke
To facilitate to realize the swing of radial plate by trampling button, lifter plate vertical motion is pushed, to whether determine idler wheel
Bottom plate is protruded from, sliding friction and rolling friction are switched, the earth's surface pattern of dust suction to adapt to reduces the mobile when institute of Floor nozzle of duster
The resistance received.
To solve the above problems, the utility model provides the lifting plate mechanism and its dust catcher of a kind of dust catcher, to reach
Above-mentioned purpose, the technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of lifting plate mechanism of dust catcher, comprising: lifter plate, lower surface have idler wheel；Bottom plate, set on lifter plate
Lower section has the hole passed through for idler wheel on bottom plate；Elevating mechanism, has a bull stick being arranged in above lifter plate, one on bull stick
Body is fixed with radial plate, button, and radial plate and button are arranged in fixed angle；Actuation button, button, radial plate are around bull stick itself
Axis rotation, the end of radial plate are contacted with the upper surface of lifter plate, and the radial plate end driving lifter plate of movement in a curve carries out
Vertical lines movement.
Beneficial effect by adopting the above technical scheme is: can according to need, switching bottom and earth's surface be rolling friction also
It is sliding friction, to adapt to different earth's surfaces, when needing the earth's surface of dust suction is the big situation of the friction factors such as carpet, slides at this time
Frictional resistance significantly increases, and lifter plate can be declined, and idler wheel protrudes from bottom plate, and idler wheel is contacted with earth's surface, is switched to rolling and rubs
It wipes；When earth's surface is the flat and smooth situation such as ceramic tile, lifted on lifter plate, in idler wheel retraction bottom plate, bottom plate directly connects with earth's surface
Touching, becomes sliding friction, to guarantee dust removal ability.Hole on bottom plate plays position-limiting action to idler wheel, and it is perpendicular only not limit idler wheel
To reciprocal freedom degree.The lifting of lifter plate can trample button realization by personnel, and button turns an angle after being trampled,
The radial plate on bull stick is driven to turn an angle, the height and position variation of its bottom is just embodied in lifter plate after radial plate rotation
Height and position variation on.
Radial plate includes the first radial plate of mutual arrangement at an acute angle, second as a further improvement of the utility model,
Radial plate.
Beneficial effect by adopting the above technical scheme is: the end of radial plate is to contact always with lifter plate, and two pieces mutually
The radial plate of angle at an acute angle ensure that button has two rotational movement limits values, respectively correspond the highest of lifter plate with it is minimum
Position.
As the further improvement of the utility model, bull stick is crankshaft, and the middle section of crankshaft has first segment bar, crankshaft
Both ends are provided with second segment bar, and first segment bar is arranged in parallel with second segment bar, are provided with first on the second segment bar of crankshaft two end
Radial plate, the second radial plate, crankshaft have the rotary freedom around second segment bar own axes, and button is vertical with second segment bar solid
It is fixed.
Beneficial effect by adopting the above technical scheme is: the crankshaft moulding of bull stick is the gas circuit in order to avoid dust suction, is conceded
Enough spaces, but the first radial plate, the second radial plate on second segment bar can only be swung, and it is direct that personnel can use foot
Trampling button, the rotational angle of rotational angle, that is, bull stick of button, the first radial plate, the second radial plate.
As the further improvement of the utility model, lifter plate has below the first radial plate, the second radial plate
To the pit of lower recess.
Beneficial effect by adopting the above technical scheme is: pit is that sky is conceded in the movement of the first radial plate, the second radial plate
Between, the first radial plate or the second radial plate can be located in pit, and height is just higher at this time for opposite lifter plate, it contracts on idler wheel,
Bottom plate is directly contacted with earth's surface at this time.
As the further improvement of the utility model, the upper surface of lifter plate is also equipped with several ribs to raise upward
Plate, arranged in parallel between several floors, floor is contacted with the oral area of pit, and the top sides of floor are along being convex curve, floor
Principal plane it is vertical with the own axes direction of second segment bar.
Beneficial effect by adopting the above technical scheme is: there are dead points to contact with floor for radial plate, and lifter plate is in lowest order
When setting that i.e. idler wheel is protruded above from bottom plate, contact with each other at the top of radial plate with floor end fixation, at bearing and more than one, so that
Entire stationary state is relatively more firm, and lifter plate will not be with the vibration in operation process and bullet gets on.Lifter plate upper surface it is convex
On the one hand muscle controls overall weight, the material utilization amount of lifter plate, improves the structural strength of lifter plate；On the one hand being convenient for will
The rotary motion track of radial plate is converted into the vertical motion track of lifter plate.
As the further improvement of the utility model, idler wheel is four and is located at the quadrangle of lifter plate, adjacent rolling
The wheel figure that successively line is constituted is isosceles trapezoid, and the bottom of isosceles trapezoid and the own axes direction of idler wheel are parallel.
Beneficial effect by adopting the above technical scheme is: four rolling enables pedestal, lifter plate horizontally disposed, bottom plate
During back-and-forth motion, the trajectory line of four rolling is four, there is no being overlapped, reduces the abrasion to earth's surface part.
As the further improvement of the utility model, the lower surface of lifter plate has the preceding labial lamina and posterior lip being parallel to each other
Plate has several notches on preceding labial lamina.
Beneficial effect by adopting the above technical scheme is: the preceding labial lamina on front side of lifter plate plays the work for guaranteeing certain air-tightness
With anterior lip board bottom end and the difference in height of idler wheel bottom end are constant always.Notch on preceding labial lamina is in the premise for guaranteeing certain air-tightness
Under, allow dust etc. to enter suction inlet from indentation, there.Labial lamina plays a part of for all dusts to be blocked under suction inlet afterwards.Idler wheel
Rise, move down, air-tightness needed for dust suction is influenced small.
As the further improvement of the utility model, the two sides of bottom plate are equipped with the side brush hair extended downwardly, lifter plate
Pressure spring is equipped between lower surface and the upper surface of bottom plate.
Beneficial effect by adopting the above technical scheme is: side brush Mao Yuqian labial lamina, the collocation of rear labial lamina surround an opposite envelope
Dust collection efficiency is improved in the dust suction space closed.Side brush hair can also improve the dust release effect to earth's surface.Pressure spring makes lifter plate begin
Has the elastic potential energy of upper lift eventually.
A kind of dust catcher, the lifting plate mechanism including any one above-mentioned dust catcher.
Beneficial effect by adopting the above technical scheme is: such dust catcher frictional resistance in operation process is small, uses
It is convenient.
As the further improvement of the utility model, bottom plate is equipped with suction inlet, and suction inlet is connected with air duct group in turn
Part, winding pipe assembly, ducting assembly are connected with wheel assembly, and wheel assembly has motor.
Beneficial effect by adopting the above technical scheme is: dust successively passes through suction inlet, ducting assembly, winding pipe assembly and is inhaled
It walks, wheel assembly provides driving force, drives without manpower to Floor nozzle of duster.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of perspective view of the lifting plate mechanism of the dust catcher of embodiment of the utility model；
Fig. 2 is a kind of perspective view of the lifting plate mechanism of the dust catcher of embodiment of the utility model；
Fig. 3 is a kind of perspective view of the lifting plate mechanism of the dust catcher of embodiment of the utility model；
Fig. 4 is the perspective view of a kind of lifter plate of embodiment of the utility model, elevating mechanism；
Fig. 5 is a kind of perspective view of the lifter plate of embodiment of the utility model；
Fig. 6 is a kind of perspective view of the elevating mechanism of embodiment of the utility model；
Fig. 7 is a kind of main view of the lifting plate mechanism of the dust catcher of embodiment of the utility model；
Fig. 8 is a kind of A-A cross-sectional view of embodiment of the utility model；
Fig. 9 is a kind of B-B cross-sectional view of embodiment of the utility model；
Figure 10 is a kind of main view of the lifting plate mechanism of the dust catcher of embodiment of the utility model；
Figure 11 is a kind of C-C cross-sectional view of embodiment of the utility model；
Figure 12 is a kind of D-D cross-sectional view of embodiment of the utility model；
Figure 13 is a kind of perspective view of the dust catcher of embodiment of the utility model.
1- upper cover；2- side brush hair；3- button；4- bull stick；4a- first segment bar；4b- second segment bar；4c- through-hole；5- bottom plate；
6- suction inlet；7- idler wheel；Labial lamina before 8-；9- notch；Labial lamina after 10-；11- lifter plate；12- pit；13- floor；The first diameter of 14-
To plate；The second radial plate of 15-；16- hole；17- winding pipe assembly；18- ducting assembly；19- wheel assembly.
Specific embodiment
Combined with specific embodiments below, the content of the utility model is described in further detail:
In order to reach the purpose of this utility model, a kind of lifting plate mechanism of dust catcher, comprising: lifter plate 11, following table
Face has idler wheel 7；Bottom plate 5 has the hole 16 passed through for idler wheel 7 set on the lower section of lifter plate 11 on bottom plate 5；Elevating mechanism,
Have the bull stick 4 that 11 top of lifter plate is set, radial plate, button 3 is integrally fixed on bull stick 4, radial plate and button 3 are in solid
The setting of clamp angle；Actuation button 3, button 3, radial plate are around 4 own axis of bull stick, end and the lifter plate 11 of radial plate
Upper surface contact moves the vertical lines that the movement in a curve of radial plate end switchs to lifter plate 11.
Has suction inlet 6 in the middle part of bottom plate 5,11 middle part of lifter plate also has hole, and 6 vertical projection of suction inlet of bottom plate 5 is fallen
Inside the middle part hole of lifter plate 11.As shown in Fig. 1, Figure 13, upper cover 1 is equipped with above lifter plate 11, upper cover 1 and bottom plate 5 are detained
It closes.Have the space moved up and down for lifter plate 11 between upper cover 1 and bottom plate 5, upper cover 1 is concealed in Fig. 3.
Beneficial effect by adopting the above technical scheme is: can according to need, switching bottom and earth's surface be rolling friction also
It is sliding friction, to adapt to different earth's surfaces, when needing the earth's surface of dust suction is the big situation of the friction factors such as carpet, slides at this time
Frictional resistance significantly increases, and lifter plate can be declined, and idler wheel protrudes from bottom plate, and idler wheel is contacted with earth's surface, is switched to rolling and rubs
It wipes；When earth's surface is the flat and smooth situation such as ceramic tile, lifted on lifter plate, in idler wheel retraction bottom plate, bottom plate directly connects with earth's surface
Touching, becomes sliding friction, to guarantee dust removal ability.Hole on bottom plate plays position-limiting action to idler wheel, and it is perpendicular only not limit idler wheel
To reciprocal freedom degree.The lifting of lifter plate can trample button realization by personnel, and button turns an angle after being trampled,
The radial plate on bull stick is driven to turn an angle, the height and position variation of its bottom is just embodied in lifter plate after radial plate rotation
Height and position variation on.
In other embodiments of the utility model, radial plate includes the first radial plate of mutual arrangement at an acute angle
14, the second radial plate 15.
Beneficial effect by adopting the above technical scheme is: the end of radial plate is to contact always with lifter plate, and two pieces mutually
The radial plate of angle at an acute angle ensure that button has two rotational movement limits values, respectively correspond the highest of lifter plate with it is minimum
Position.
In other embodiments of the utility model, bull stick 4 is crankshaft, and the middle section of crankshaft has first segment bar 4a,
The both ends of crankshaft are provided with second segment bar 4b, and first segment bar 4a is arranged in parallel with second segment bar 4b, the second segment bar of crankshaft two end
The first radial plate 14, the second radial plate 15 are provided on 4b, crankshaft has the rotary freedom around second segment bar 4b own axes,
Button 3 is vertical with second segment bar 4b to be fixed.
As shown in fig. 6, being also arranged with several through-holes 4c on bull stick 4, through-hole 4c passes through convenient for air-flow.
Beneficial effect by adopting the above technical scheme is: the crankshaft moulding of bull stick is the gas circuit in order to avoid dust suction, is conceded
Enough spaces, but the first radial plate, the second radial plate on second segment bar can only be swung, and it is direct that personnel can use foot
Trampling button, the rotational angle of rotational angle, that is, bull stick of button, the first radial plate, the second radial plate.
In other embodiments of the utility model, lifter plate 11 is in the first radial plate 14, second radial plate 15
Lower section has the pit 12 to lower recess.
Beneficial effect by adopting the above technical scheme is: pit is that sky is conceded in the movement of the first radial plate, the second radial plate
Between, the first radial plate or the second radial plate can be located in pit, and height is just higher at this time for opposite lifter plate, it contracts on idler wheel,
Bottom plate is directly contacted with earth's surface at this time.
In other embodiments of the utility model, the upper surface of lifter plate 11 is also equipped with what several raised upward
Floor 13, arranged in parallel between several floors 13, floor 13 is contacted with the oral area of pit 12, and the top sides of floor 13 are along being
The principal plane of convex curve, floor 13 is vertical with the own axes direction of second segment bar 4b.
As shown in Figure 8, Figure 9, the first radial plate 14, the second radial plate 15 be not inside pit 12, but and lifter plate
11 upper surface or floor 13 contact, and are the minimum states of the height of lifter plate 11, idler wheel 7 protrudes from bottom plate 5.First diameter simultaneously
It is not located at the same side of pit 12 with the contact position of lifter plate 11 to plate 14, the second radial plate 15.
As shown in Figure 11, Figure 12, the first radial plate 14 is located inside pit 12, lifts to highest height on lifter plate 11 at this time
Degree, idler wheel 7 are shunk in bottom plate 5.Fig. 7, Figure 10 only show lifter plate 11, elevating mechanism, bottom plate 5.
Beneficial effect by adopting the above technical scheme is: there are dead points to contact with floor for radial plate, and lifter plate is in lowest order
When setting that i.e. idler wheel is protruded above from bottom plate, contact with each other at the top of radial plate with floor end fixation, at bearing and more than one, so that
Entire stationary state is relatively more firm, and lifter plate will not be with the vibration in operation process and bullet gets on.Lifter plate upper surface it is convex
On the one hand muscle controls overall weight, the material utilization amount of lifter plate, improves the structural strength of lifter plate；On the one hand being convenient for will
The rotary motion track of radial plate is converted into the vertical motion track of lifter plate.
In other embodiments of the utility model, idler wheel 7 is four and is located at the quadrangle of lifter plate 11, phase
Adjacent idler wheel 7 figure that successively line is constituted is isosceles trapezoid, and the bottom of isosceles trapezoid and the own axes direction of idler wheel 7 are parallel.
Beneficial effect by adopting the above technical scheme is: four rolling enables pedestal, lifter plate horizontally disposed, bottom plate
During back-and-forth motion, the trajectory line of four rolling is four, there is no being overlapped, reduces the abrasion to earth's surface part.
In other embodiments of the utility model, the lower surface of lifter plate 11 has the preceding labial lamina 8 being parallel to each other
With rear labial lamina 10, have several notches 9 on preceding labial lamina 8.
Preceding labial lamina 8, rear labial lamina 10 and bottom plate 5 are arranged vertically, preceding labial lamina 8, rear labial lamina 10 5 operation of principal plane and bottom plate when
To move forward and backward direction vertical.
Beneficial effect by adopting the above technical scheme is: the preceding labial lamina on front side of lifter plate plays the work for guaranteeing certain air-tightness
With anterior lip board bottom end and the difference in height of idler wheel bottom end are constant always.Notch on preceding labial lamina is in the premise for guaranteeing certain air-tightness
Under, allow dust etc. to enter suction inlet from indentation, there.Labial lamina plays a part of for all dusts to be blocked under suction inlet afterwards.Idler wheel
Rise, move down, air-tightness needed for dust suction is influenced small.
In other embodiments of the utility model, the two sides of bottom plate 5 are equipped with the side brush hair 2 extended downwardly, lifting
Pressure spring is equipped between the lower surface of plate 11 and the upper surface of bottom plate 5.
Preceding labial lamina 8, rear labial lamina 10 are silica gel material, can moderately obtain deformation, to adapt to contact with earth's surface, 2 groups of side brush hair
Part also has certain flexibility, ensure that the air-tightness after lifter plate rises or drops, guarantees certain suction.Labial lamina 10 is rigid afterwards
Degree is greater than preceding labial lamina 8, guarantees that impurities and dust is easy to through preceding labial lamina 8, and is easy to be stopped by rear labial lamina 10.
Beneficial effect by adopting the above technical scheme is: side brush Mao Yuqian labial lamina, the collocation of rear labial lamina surround an opposite envelope
Dust collection efficiency is improved in the dust suction space closed.Side brush hair can also improve the dust release effect to earth's surface.Pressure spring makes lifter plate begin
Has the elastic potential energy of upper lift eventually.
A kind of dust catcher, the lifting plate mechanism including any one above-mentioned dust catcher.
Beneficial effect by adopting the above technical scheme is: such dust catcher frictional resistance in operation process is small, uses
It is convenient.
In other embodiments of the utility model, bottom plate 5 is equipped with suction inlet 6, and suction inlet 6 is connected with wind in turn
Road component 18, winding pipe assembly 17, ducting assembly 18 are connected with wheel assembly 19, and wheel assembly 19 has motor.
Beneficial effect by adopting the above technical scheme is: dust successively passes through suction inlet, ducting assembly, winding pipe assembly and is inhaled
It walks, wheel assembly provides driving force, drives without manpower to Floor nozzle of duster.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and be implemented, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (10)
1. a kind of lifting plate mechanism of dust catcher characterized by comprising
Lifter plate, lower surface have idler wheel；
Bottom plate has the hole passed through for idler wheel set on the lower section of lifter plate on the bottom plate；
Elevating mechanism has the bull stick being arranged in above lifter plate, and radial plate, button are integrally fixed on the bull stick, described
Radial plate and button are arranged in fixed angle；Actuation button, the button, radial plate are around bull stick own axis, the diameter
The upper surface of end and lifter plate to plate contacts, and the radial plate end driving lifter plate of movement in a curve carries out vertical lines fortune
It is dynamic.
2. a kind of lifting plate mechanism of dust catcher according to claim 1, it is characterised in that: the radial plate includes mutual
The first radial plate, the second radial plate of arrangement at an acute angle.
3. a kind of lifting plate mechanism of dust catcher according to claim 2, it is characterised in that: the bull stick is crankshaft, institute
The middle section for stating crankshaft has first segment bar, and the both ends of the crankshaft are provided with second segment bar, the first segment bar and second segment bar
It is arranged in parallel, the first radial plate, the second radial plate is provided on the second segment bar of the crankshaft two end, the crankshaft has around
The rotary freedom of two sections of bar own axes, the button is vertical with second segment bar to be fixed.
4. a kind of lifting plate mechanism of dust catcher according to claim 3, it is characterised in that: the lifter plate is in the first diameter
Has the pit to lower recess below to plate, the second radial plate.
5. a kind of lifting plate mechanism of dust catcher according to claim 4, it is characterised in that: the upper surface of the lifter plate
It is also equipped with several floors to raise upward, arranged in parallel between several floors, the floor is contacted with the oral area of pit,
For the top sides of the floor along being convex curve, the principal plane of the floor and the own axes direction of second segment bar are vertical.
6. a kind of lifting plate mechanism of dust catcher according to claim 1, it is characterised in that: the idler wheel is four and divides
Not Wei Yu lifter plate quadrangle, adjacent rollers successively line constitute figure be isosceles trapezoid, the bottom of the isosceles trapezoid and rolling
The own axes direction of wheel is parallel.
7. a kind of lifting plate mechanism of dust catcher according to claim 1, it is characterised in that: the lower surface of the lifter plate
Have the preceding labial lamina and rear labial lamina being parallel to each other, has several notches on the preceding labial lamina.
8. a kind of lifting plate mechanism of dust catcher according to claim 1, it is characterised in that: the two sides of the bottom plate are equipped with
The side brush hair extended downwardly is equipped with pressure spring between the lower surface of the lifter plate and the upper surface of bottom plate.
9. a kind of dust catcher, it is characterised in that: including a kind of liter of dust catcher as claimed in any of claims 1 to 8 in one of claims
Trigger structure drops.
10. a kind of dust catcher according to claim 9, it is characterised in that: the bottom plate is equipped with suction inlet, the dust suction
Mouth is connected with ducting assembly, winding pipe assembly in turn, and the ducting assembly is connected with wheel assembly, and the wheel assembly has electricity
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317141.6U CN209018612U (en) | 2018-08-15 | 2018-08-15 | A kind of lifting plate mechanism and its dust catcher of dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317141.6U CN209018612U (en) | 2018-08-15 | 2018-08-15 | A kind of lifting plate mechanism and its dust catcher of dust catcher |
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| Publication Number | Publication Date |
|---|---|
| CN209018612U true CN209018612U (en) | 2019-06-25 |
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ID=66873314
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821317141.6U Active CN209018612U (en) | 2018-08-15 | 2018-08-15 | A kind of lifting plate mechanism and its dust catcher of dust catcher |
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| CN (1) | CN209018612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836183A (en) * | 2018-08-15 | 2018-11-20 | 苏州市春菊电器有限公司 | A kind of lifting plate mechanism and its dust catcher of dust catcher |
-
2018
- 2018-08-15 CN CN201821317141.6U patent/CN209018612U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836183A (en) * | 2018-08-15 | 2018-11-20 | 苏州市春菊电器有限公司 | A kind of lifting plate mechanism and its dust catcher of dust catcher |
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