CN211511622U - A ground brush subassembly and dust catcher for dust catcher - Google Patents
A ground brush subassembly and dust catcher for dust catcher Download PDFInfo
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- CN211511622U CN211511622U CN201922335856.5U CN201922335856U CN211511622U CN 211511622 U CN211511622 U CN 211511622U CN 201922335856 U CN201922335856 U CN 201922335856U CN 211511622 U CN211511622 U CN 211511622U
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Abstract
The application discloses a scrubbing brush subassembly and dust catcher for dust catcher, this scrubbing brush subassembly includes: the toothbrush head comprises a toothbrush head main body, wherein a dust suction port is formed in the toothbrush head main body; a cleaning structure disposed on the brush head body, the cleaning structure comprising: the water absorbing piece is movably arranged on the brush head main body. According to the utility model provides a scrubbing brush subassembly can adsorb the floating dust or the piece of clearance more easily, can clear up stubborn spot on the ground again.
Description
Technical Field
The application relates to the field of domestic appliances, in particular to a floor brush assembly for a dust collector and the dust collector.
Background
At present, the building industry is developed vigorously, the living environment of people is full of various kinds of dust, and people in China have the habit of opening windows and ventilating, at the moment, a large amount of dust drifts to the areas such as rooms, living rooms and the like, and if liquid drips on the ground, solid dirt can be formed in a short time, and the dirt is difficult to clean by using a brush head of a dust collector used by people at ordinary times. Alternatively, if the liquid such as cola or soy sauce is left on the floor and is not cleaned in a short time, the sugar in the liquid adheres to the floor, and the brush head of the conventional vacuum cleaner is difficult to clean, and can be cleaned only by a wet mop manually.
Existing vacuum cleaners have two main types of brush heads-dry brush heads and wet brush heads. The dry type brush head is internally provided with only an air duct and a plurality of auxiliary dust removing devices (such as a rolling brush, a hanging strip and the like), and the ground is cleaned in a suction and brushing mode, but the cleaning of floating ash or solidified thick liquid stuck on the ground is difficult; the wet-type brush is overhead water tank and mop, realizes the function of ground dust absorption and wet mop, but the appearance of wet-type brush head is big and heavy, and the water tank is drained and still need be realized through extra device and action, and the product is complicated and the reliability is poor, greatly reduces user experience.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. To this end, an object of the present application is to provide a floor brush assembly for a vacuum cleaner, which can absorb both floating dust or debris that can be easily cleaned and stubborn stains on the floor.
The application also provides a dust collector with the floor brush assembly.
A floor brush assembly for a vacuum cleaner according to the present application includes: the toothbrush head comprises a toothbrush head main body, wherein a dust suction port is formed in the toothbrush head main body; a cleaning structure disposed on the brush head body, the cleaning structure comprising: the water absorbing piece is movably arranged on the brush head main body.
According to the scrubbing brush subassembly of this application, through constructing the at least part of clean structure for selectively absorbing water, make it can adsorb the floating dust or the piece of clearance more easily, can clear up subaerial stubborn spot again, consequently the scrubbing brush subassembly in this application is the scrubbing brush of a mixed type to only need to cooperate this type of scrubbing brush subassembly on the dust catcher, both can carry out the omnidirectional cleanness to ground, and cleaning efficiency is higher, and user's use experience is better.
According to one embodiment of the present application, the cleaning structure is removably disposed on the head body.
According to one embodiment of the present application, the water absorbing member is rotatably provided on the head body.
According to one embodiment of the present application, the water absorbing member is provided on the head body to be rotatable in one direction.
According to an embodiment of the application, the cleaning structure further comprises: a water tank adapted to supply water to the absorbent member, at least a portion of the water tank being disposed inside the absorbent member.
According to one embodiment of the present application, the water tank is provided on the head body, and the water absorbing member is rotatably provided on the water tank.
According to an embodiment of the application, the water tank comprises: the water storage part and with the water supply part that the water storage part links to each other, the cover of absorbing water is established on the water supply part and for the water supply part is rotatable.
According to an embodiment of this application, the water supply portion follows the length direction of brush head main part extends, the water storage portion sets up the one end of water supply portion on length direction, be provided with on the water supply portion with the water supply hole of the space intercommunication in the water supply portion.
According to one embodiment of the application, a one-way locking mechanism suitable for enabling the water absorbing piece to rotate in one direction is arranged between the water absorbing piece and the water storage part.
According to an embodiment of the present application, the one-way locking structure includes: the rolling locking block can be arranged on the water storage part in a unidirectional rotating manner; an engaging tooth provided on the water absorbing member and adapted to be selectively engaged with the rolling lock piece.
According to one embodiment of the present application, the rolling lock block includes: the stop part and the matching part connected with the stop part are selectively meshed with the meshing teeth;
the water storage part is provided with a baffle normally abutted against the lower side surface of the abutting part and an avoidance space arranged on the upper side of the baffle for the rotation of the abutting part.
According to an embodiment of the application, an elastic piece which enables the stopping part to be pressed on the baffle normally is arranged in the avoiding space.
According to an embodiment of the present application, the water absorbing member includes: the water absorbing part mounting part is arranged on the water absorbing part body, and the meshing teeth are arranged on the water absorbing part mounting part.
According to an embodiment of the application, the cleaning structure further comprises: the water filtering structure is suitable for filtering water on the water absorbing piece, and is constructed into a water filtering sheet which is detachably arranged on the water tank and surrounds the water absorbing piece.
According to one embodiment of the application, an air duct communicated with the dust suction opening is arranged on the brush head main body.
According to an embodiment of the present application, the air duct is plural, and the plural air ducts are all communicated with the dust suction port.
According to the dust catcher of this application including foretell scrubbing brush subassembly, owing to be provided with above-mentioned scrubbing brush subassembly according to the embodiment of this application, consequently this dust catcher can more conveniently clear away subaerial stubborn spot, and the rotation direction of absorbing water spare is unidirectional rotation, has guaranteed under the prerequisite that does not influence the cleaning efficiency of dust catcher for the dust catcher has more manifold function.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an assembly view of a floor brush assembly according to an embodiment of the present application;
FIG. 2 is an exploded view of a ground brush assembly according to one embodiment of the present application;
FIG. 3 is an exploded view of a floor brush assembly according to another embodiment of the present application;
FIG. 4 is a cross-sectional view of a floor brush assembly according to an embodiment of the present application;
FIG. 5 is a schematic view of the engagement of a water tank with a one-way locking mechanism according to one embodiment of the present application;
FIG. 6 is a schematic view of the engagement of a tank with a one-way locking mechanism according to another embodiment of the present application;
FIG. 7 is a schematic view of a cleaning structure according to an embodiment of the present application;
FIG. 8 is a schematic view of an absorbent member according to an embodiment of the present application;
FIG. 9 is a cross-sectional view of a cleaning structure according to an embodiment of the present application.
Reference numerals:
the floor brush assembly 100 is provided with a brush,
a brush head main body 110, a brush head upper cover 111, an air duct cover 111a, a brush head lower cover 112, a front section 112a, a middle section 112b, a rear section 112c, a dust suction opening 101, an air duct 103,
a cleaning structure 120, a water absorbing member 121, a water absorbing member mounting part 121a, a water absorbing member body 121b, a water tank 122, a water storage part 122a, a water supply part 122b, a baffle 122c, a water filtering sheet 123, a water filtering sheet handle 124, an avoiding space 102,
a one-way locking mechanism 130, a rolling locking block 131, a stopping part 131a, a matching part 131b, a meshing tooth 132, an elastic piece 133,
a joint assembly 140.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
A floor brush assembly 100 for a vacuum cleaner and a vacuum cleaner according to an embodiment of the present application will be described with reference to fig. 1 to 9.
As shown in fig. 1 and 2, a floor brush assembly 100 according to an embodiment of the present application includes: a head body 110 and a cleaning structure 120. The main body 110 of the brush head is provided with a dust suction opening 101, the dust collector can generate negative pressure at the dust suction opening 101 under the action of the driving piece, and floating dust or debris on the ground can enter a dust cup of the dust collector through the dust suction opening 101.
The floor brush assembly 100 of the present application further includes a cleaning structure 120, the cleaning structure 120 being disposed on the head body 110, the cleaning structure 120 being configured to selectively absorb water to clean stubborn stains from the floor. That is, at least a portion of the cleaning structure 120 can be configured as a water absorbent member so that water can be absorbed and kept wet to clean stubborn stains, such as coagulated solid soil, on the floor.
According to the scrubbing brush subassembly 100 of this application embodiment, through constructing at least part of cleaning structure 120 for selectively absorbing water, make it can adsorb the floating dust or the piece of easier clearance, can clear up stubborn spot on the ground again, therefore the scrubbing brush subassembly 100 in this application is a mixed type scrubbing brush to only need to cooperate this type of scrubbing brush subassembly 100 on the dust catcher, both can carry out omnidirectional cleanness to ground, and cleaning efficiency is higher, and user's use experience is better.
In some embodiments of the present application, the cleaning structure 120 is removably disposed on the head body 110. Therefore, after the cleaning structure 120 cleans stubborn stains on the ground, the cleaning structure 120 can be easily detached from the head body 110 for cleaning, so that the cleaning structure 120 can clean the ground again.
According to some embodiments of the present application, as shown in fig. 3 to 9, the cleaning structure 120 includes a water absorbing member 121, and the water absorbing member 121 is movably disposed on the head body 110. The water absorbing member 121 can absorb water, so that the water absorbing member 121 can be kept wet, and stubborn stains on the ground can be conveniently cleaned. It is understood that the water absorbing member 121 may also absorb water with detergent.
Because the water absorbing part 121 is movably arranged on the brush head main body 110, after stubborn stains on the ground are cleaned by a certain part of the water absorbing part 121, the part can be switched to other clean parts, so that the use efficiency of the water absorbing part 121 is improved, and the use feeling of a user is improved.
Further, a water absorbing member 121 is rotatably provided on the head body 110. Therefore, after a part of the outer peripheral surface of the water absorbing member 121 is cleaned of dirt, the part of the outer peripheral surface of the water absorbing member 121 can be switched to other parts of the outer peripheral surface of the water absorbing member 121, so that the use efficiency of the water absorbing member 121 is greatly improved.
Further, a water absorbing member 121 is provided on the head body 110 to be rotatable in one direction. Therefore, when the water absorbing piece 121 needs to remove stubborn stains on the ground, the rotation of the water absorbing piece 121 can be limited; when the position of the water absorbing member 121 for removing the dirt needs to be switched, the floor brush assembly 100 can be moved towards the direction in which the water absorbing member 121 can rotate in one direction.
Further, the water absorbing member 121 is configured to rotate in one direction when the head body 110 is pulled rearward. That is, the water absorbing member 121 rotates only when the head body 110 is pulled backward, and the water absorbing member 121 does not rotate when the head body 110 is pulled forward. Therefore, the brush head main body 110 can smoothly absorb dust and is not influenced by the rotation of the water absorbing piece 121 when no stubborn stains exist on the ground, and meanwhile, the use efficiency of the water absorbing piece 121 can be improved by the rotation of the water absorbing piece 121 when the stubborn stains on the ground need to be cleaned.
In some embodiments of the present application, the cleaning structure 120 further comprises: a water tank 122 adapted to supply water to the water absorbing member 121, at least a portion of the water tank 122 being disposed inside the water absorbing member 121. Thus, the water tank 122 may continuously supply water to the absorbent member 121 to satisfy the wetting requirement of the absorbent member 121 without disassembling the entire cleaning structure 120 for absorbing and cleaning.
Further, a water tank 122 is provided on the head body 110, and a water absorbing member 121 is rotatably provided on the water tank 122. That is, the water tank 122 can be hidden inside the water absorbing member 121, and a user cannot directly see the water tank 122 from the outside, so that the overall aesthetic appearance of the floor brush assembly 100 cannot be affected by the external arrangement of the water tank 122.
Specifically, the water tank 122 includes a water storage part 122a and a water supply part 122b connected to the water storage part 122a, wherein the water supply part 122b is disposed inside the water absorbing member 121. The water absorbing member 121 is fitted over the water supply part 122b and is rotatable with respect to the water supply part 122 b. The water supply part 122b may extend in the longitudinal direction of the head body 110, and the water storage part 122a is provided at one end of the water supply part 122b in the longitudinal direction. Accordingly, the water supply part 122b may penetrate the water absorbent member 121, thereby facilitating better water supply to the water absorbent member 121.
The water supply unit 122b is provided with a water supply hole communicating with the space inside the water supply unit 122 b. In addition, both the water supply part 122b and the water storage part 122a are provided with a space for containing water, and the water in the space can flow out through the water supply hole, so that the water is absorbed by the water absorbing member 121 sleeved outside the water supply part 122b, and the water absorbing member 121 is kept wet.
According to some embodiments of the present application, a one-way locking mechanism 130 adapted to allow the water absorbing member 121 to rotate in one direction is provided between the water absorbing member 121 and the water storage part 122 a. The one-way locking mechanism 130 can enable the water absorbing member 121 to rotate in one direction, so that the water absorbing member 121 can rotate in one direction under the working condition that the water absorbing member 121 needs to rotate, and the effect of removing dirt of the water absorbing member 121 cannot be influenced by the fact that the water absorbing member 121 rotates all the time.
Specifically, the one-way locking mechanism 130 includes: a rolling lock piece 131 and a meshing tooth 132, wherein the rolling lock piece 131 is arranged on the water storage part 122a in a unidirectional rotation way, and the meshing tooth 132 is arranged on the water absorbing piece 121 and is suitable for being selectively meshed with the rolling lock piece 131. When the engaging teeth 132 are engaged with the roll lock piece 131 and have a tendency to move the roll lock piece 131 in a rotatable direction, the water absorbing member 121 can be rotated without restriction; when the engaging teeth 132 engage with the roll lock piece 131 and have a tendency to move the roll lock piece 131 in a non-rotatable direction, the water absorbing member 121 is restricted from rotating.
More specifically, the rolling lock piece 131 includes an abutting portion 131a and a fitting portion 131b connected to the abutting portion 131a, the fitting portion 131b being selectively engaged with the engaging teeth 132. The water storage part 122a is provided with a baffle 122c which is normally abutted against the lower side of the abutting part 131a, and an escape space 102 which is arranged on the upper side of the baffle 122c and is used for the abutting part 131a to rotate. That is, the downward movement of the abutting portion 131a is restricted by the baffle 122c, and only when the upward movement of the abutting portion 131a is detected, the abutting portion 131a moves in the escape space 102 without restriction. Therefore, the abutting portion 131a can only rotate upward and cannot rotate downward. Therefore, the water absorbing member 121 engaged with the rolling lock piece 131 can be rotated only when the head body is dragged backward, and the water absorbing member 121 is not rotated when the head main body 110 is dragged forward.
In some embodiments of the present application, an elastic member 133 is disposed in the avoiding space 102 to press the stopping portion 131a against the baffle 122 c. That is, to realize the rotation of the water absorbing member 121, it is necessary to overcome the elastic force applied to the stopping portion 131a by the elastic member 133. When the external force disappears, the stopping portion 131a is pressed against the baffle 122c under the elastic force of the elastic member 133.
The water absorbing member 121 includes a water absorbing member mounting portion 121a and a water absorbing member body 121b provided on the water absorbing member mounting portion 121a, and the water absorbing member mounting portion 121a is provided with engaging teeth 132. The absorbent member mounting portion 121a may be a mounting base, and the absorbent member body 121b may be made of a material that is easily absorbed water, such as sponge.
The water absorbing part body 121b is sleeved on the water absorbing part mounting part 121a, and a via hole communicated with the water supply hole is formed in the water absorbing part mounting part 121 a.
In some embodiments of the present application, the absorbent member 121 further comprises a water filtering structure adapted to drain water from the absorbent member 121. The water filtering structure can squeeze water on the water filtering member out of the water absorbing member 121 when too much water is adsorbed on the water absorbing member 121 or the water absorbing member 121 needs to be cleaned.
The water filtering structure may be configured as a water filtering sheet 123, and the water filtering sheet 123 may be annular and selectively fit on the outer circumferential wall of the water absorbing member 121. Thus, the absorbent member body 121b may be pressed by moving the water filter 123, thereby pressing out water on the absorbent member body 121 b.
In order to more conveniently move the water filtering sheet 123, a foldable water filtering sheet handle 124 may be provided on the water filtering sheet 123, so that when the water filtering sheet 123 needs to be moved, the water filtering sheet handle 124 is folded to an unfolded position, and the water filtering sheet 123 is pulled to squeeze out water in the water absorbing member 121; when the water filter 123 does not need to be moved, the water filter handle 124 can be folded to the storage position, so that the water filter handle 124 is prevented from occupying space or influencing the rotation of the water absorbing member 121.
In some embodiments of the present application, the head body 110 is provided with an air duct 103 communicating with the dust suction port 101. Dust is sucked from the dust suction opening 101 and then can enter a dust bag of the dust collector through the air duct 103. Optionally, there are a plurality of air ducts 103, and the plurality of air ducts 103 are all communicated with the dust suction port 101. Accordingly, the dust collection efficiency of the floor brush assembly 100 is effectively improved.
Further, the dust suction port 101 is disposed in front of the cleaning structure 120, and at least a portion of the air duct 103 is disposed at the front side and the upper side of the cleaning structure 120. Therefore, the dust suction opening 101 can suck away floating dust on the floor, and the cleaning structure 120 can clean stubborn dirt on the floor.
The brush head body 110 includes a brush head upper cover 111 and a brush head lower cover 112, and the brush head upper cover 111 and the brush head lower cover 112 are detachably coupled and define the dust suction opening 101 and the air duct 103. The brush head lower cover 112 comprises a front section 112a, a middle section 112b and a rear section 112c which are connected in sequence, the front section 112a and the front end of the brush head upper cover 111 define a dust suction port 101, the middle section 112b and the rear section 112c and the brush head upper cover 111 define an air duct 103, and the middle section 112b is constructed into an arc-shaped surface and protrudes upwards to define a space for accommodating the water absorbing part 121.
Specifically, an air duct cover 111a is disposed on an inner side surface of the brush head upper cover 111, and the air duct cover 111a and the brush head lower cover 112 define an air duct 103.
In some embodiments of the present application, at least the middle section 112b is configured as a transparent piece to form a transparent window. Therefore, the consumer can clearly observe the inside of the air duct 103, and the floor brush assembly 100 is more scientific.
In some embodiments of the present application, the floor brush assembly 100 further includes a joint assembly 140 coupled to the air chute 103. Dust and debris entering from the suction opening 101 can pass from the air duct 103 into the fitting assembly 140 and then from the fitting assembly 140 into the dirt bag of the cleaner.
The vacuum cleaner of the embodiment of the present application will be briefly described below.
The dust collector according to the embodiment of the application comprises the floor brush assembly 100 in the embodiment, and the floor brush assembly 100 is arranged according to the embodiment of the application, so that stubborn stains on the ground can be more conveniently removed, the rotation direction of the water absorbing piece 121 is in one-way rotation, and the dust collector is enabled to have more various functions on the premise that the cleaning efficiency of the dust collector is not influenced.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (17)
1. A floor brush assembly for a vacuum cleaner, comprising:
the toothbrush head comprises a toothbrush head main body, wherein a dust suction port is formed in the toothbrush head main body;
a cleaning structure disposed on the brush head body, the cleaning structure comprising: the water absorbing piece is movably arranged on the brush head main body.
2. A floor brush assembly for a vacuum cleaner according to claim 1, wherein the cleaning formations are removably provided on the brush head body.
3. A floor brush assembly for a vacuum cleaner according to claim 1, wherein said water absorbing member is rotatably provided on said brush head body.
4. A floor brush assembly for a vacuum cleaner as claimed in claim 3, wherein said water absorbing member is provided on said brush head body to be rotatable in one direction.
5. A floor brush assembly for a vacuum cleaner according to claim 3, wherein the cleaning structure further comprises: a water tank adapted to supply water to the absorbent member, at least a portion of the water tank being disposed inside the absorbent member.
6. A floor brush assembly for a vacuum cleaner according to claim 5, wherein said water tank is provided on said head body, and said water absorbing member is rotatably provided on said water tank.
7. A floor brush assembly for a vacuum cleaner according to claim 6, wherein the water tank comprises: the water storage part and with the water supply part that the water storage part links to each other, the cover of absorbing water is established on the water supply part and for the water supply part is rotatable.
8. The floor brush assembly for a vacuum cleaner according to claim 7, wherein the water supply part extends in a length direction of the brush head body, the water storage part is provided at one end of the water supply part in the length direction, and the water supply part is provided with a water supply hole communicating with a space inside the water supply part.
9. A floor brush assembly for a vacuum cleaner according to claim 7 or 8, wherein a one-way locking mechanism adapted to enable the one-way rotation of the water absorbing member is provided between the water absorbing member and the water storage portion.
10. A floor brush assembly for a vacuum cleaner according to claim 9, wherein said one-way locking structure comprises:
the rolling locking block can be arranged on the water storage part in a unidirectional rotating manner;
an engaging tooth provided on the water absorbing member and adapted to be selectively engaged with the rolling lock piece.
11. A floor brush assembly for a vacuum cleaner according to claim 10, wherein said rolling lock block comprises: the stop part and the matching part connected with the stop part are selectively meshed with the meshing teeth;
the water storage part is provided with a baffle normally abutted against the lower side surface of the abutting part and an avoidance space arranged on the upper side of the baffle for the rotation of the abutting part.
12. The floor brush assembly for a vacuum cleaner according to claim 11, wherein an elastic member is provided in the avoiding space to normally press the stopping portion against the baffle.
13. A floor brush assembly for a vacuum cleaner according to claim 10, wherein said water absorbing member comprises: the water absorbing part mounting part is arranged on the water absorbing part body, and the meshing teeth are arranged on the water absorbing part mounting part.
14. A floor brush assembly for a vacuum cleaner according to claim 5, wherein the cleaning structure further comprises: the water filtering structure is suitable for filtering water on the water absorbing piece, and is constructed into a water filtering sheet which is detachably arranged on the water tank and surrounds the water absorbing piece.
15. A floor brush assembly for a vacuum cleaner as claimed in claim 1, wherein the brush head body is provided with an air duct communicating with the suction opening.
16. The floor brush assembly for a vacuum cleaner according to claim 15, wherein the air duct is plural, and the plural air ducts are each communicated with the dust suction port.
17. A vacuum cleaner comprising a floor brush assembly for a vacuum cleaner according to any one of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922335856.5U CN211511622U (en) | 2019-12-23 | 2019-12-23 | A ground brush subassembly and dust catcher for dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922335856.5U CN211511622U (en) | 2019-12-23 | 2019-12-23 | A ground brush subassembly and dust catcher for dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211511622U true CN211511622U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922335856.5U Active CN211511622U (en) | 2019-12-23 | 2019-12-23 | A ground brush subassembly and dust catcher for dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211511622U (en) |
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2019
- 2019-12-23 CN CN201922335856.5U patent/CN211511622U/en active Active
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