CN217610788U - Transmission device for cleaning head, cleaning head and cleaning equipment - Google Patents
Transmission device for cleaning head, cleaning head and cleaning equipment Download PDFInfo
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- CN217610788U CN217610788U CN202220406763.6U CN202220406763U CN217610788U CN 217610788 U CN217610788 U CN 217610788U CN 202220406763 U CN202220406763 U CN 202220406763U CN 217610788 U CN217610788 U CN 217610788U
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- rolling brush
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 152
- 238000004140 cleaning Methods 0.000 title claims abstract description 71
- 238000005096 rolling process Methods 0.000 claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a transmission, cleaning head and cleaning device for cleaning head, the cleaning head includes interval arrangement's first round brush and second round brush, transmission includes: the motor is connected with the driving wheel, the driving wheel is meshed with the reversing wheel and the first transmission part, the reversing wheel is meshed with the second transmission part, the first transmission part is suitable for being connected with the first rolling brush, and the second transmission part is suitable for being connected with the second rolling brush. The utility model discloses a transmission for cleaning head's structural design is simple, and manufacturing cost is lower, and synchronous effect is better.
Description
Technical Field
The utility model relates to a domestic appliance's technical field specifically, relates to a transmission, cleaning head and cleaning device for cleaning head.
Background
A cleaning apparatus such as a vacuum cleaner or floor washer mainly includes a main body and a cleaning head, on which a front roll brush and a rear roll brush are generally disposed, with an air intake passage therebetween, wherein the front roll brush and the rear roll brush both rotate in directions toward the air intake passage. In the correlation technique, the cleaning head controls the front rolling brush and the rear rolling brush to rotate respectively by arranging two motors, but the synchronism of the front rolling brush and the rear rolling brush controlled respectively by the two motors is poor when the rolling brushes rotate easily, the structural design is complex, and the production cost is high.
Disclosure of Invention
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a transmission for cleaning head that structural design is simple, and manufacturing cost is lower, and synchronous effect is better.
The embodiment of the utility model also provides a cleaning head.
The embodiment of the utility model also provides a cleaning device.
The utility model discloses a transmission for cleaning head of embodiment, cleaning head includes interval arrangement's first round brush and second round brush, transmission includes: the motor is connected with the driving wheel, the driving wheel is meshed with the reversing wheel and the first transmission part, the reversing wheel is meshed with the second transmission part, the first transmission part is suitable for being connected with the first rolling brush, and the second transmission part is suitable for being connected with the second rolling brush.
According to the utility model discloses a transmission for cleaning head, because first drive disk assembly and second drive disk assembly can realize the switching-over through the reverse wheel to can be so that transmission's transmission simple structure, manufacturing cost is lower. Additionally, the utility model discloses a transmission passes through the first round brush of single motor control and the second round brush rotates, and the synchronism when can be so that two round brushes rotate is better.
In some embodiments, the first transmission member includes a first transmission wheel, a second transmission wheel and a first belt, the first transmission wheel is engaged with the driving wheel, and the second transmission wheel is connected with the first transmission wheel through the first belt; the second transmission part comprises a third transmission wheel, a fourth transmission wheel and a second belt, the third transmission wheel is meshed with the reversing wheel, and the fourth transmission wheel is connected with the third transmission wheel through the second belt.
In some embodiments, the first driving wheel comprises a first gear and a first pulley which are coaxially connected, the first gear is meshed with the driving wheel, and the first belt is wound on the first pulley; the third transmission wheel comprises a second gear and a second belt wheel which are coaxially connected, the second gear is meshed with the driven wheel, and the second belt is wound on the second belt wheel.
In some embodiments, the number of teeth of the first gear and the number of teeth of the second gear are both greater than the number of teeth of the drive wheel; and/or the outer diameter of the second belt wheel is larger than that of the first belt wheel, and the outer diameter of the fourth belt wheel is larger than that of the third belt wheel.
In some embodiments, the axis of the drive wheel, the axis of the first drive wheel, the axis of the second drive wheel, the axis of the third drive wheel and the axis of the fourth drive wheel are located at substantially the same height.
In some embodiments, the transmission for the cleaning head further comprises: the transmission case comprises a first case body and a second case body, the first case body and the second case body are detachably connected and enclosed to form a containing cavity, the driving wheel, the reversing wheel, the first transmission part and the second transmission part are arranged in the containing cavity, the first output shaft is connected with the first transmission part, at least part of the first output shaft extends out of the containing cavity and is connected with the first rolling brush, the second output shaft is connected with the second transmission part, and at least part of the second output shaft extends out of the containing cavity and is connected with the second rolling brush.
In some embodiments, a plurality of first installation positions are arranged at intervals in the circumferential direction of the first box body, a plurality of second installation positions are arranged at intervals in the circumferential direction of the second box body, the plurality of second installation positions correspond to the plurality of first installation positions in a one-to-one correspondence manner, and the transmission case further comprises a threaded piece which is matched with the first installation positions and the second installation positions.
In some embodiments, one of the first case and the second case is provided with a male spigot and the other is provided with a female spigot, the male spigot mating with the female spigot.
According to the utility model discloses a cleaning head of another embodiment includes: a housing; the rolling brush assembly comprises a first rolling brush and a second rolling brush, and the first rolling brush and the second rolling brush are arranged on the shell at intervals; a transmission, transmission does any one of the embodiment of the utility model provides an in the utility model discloses a transmission for cleaning head, first drive disk assembly with first round brush links to each other, the second drive disk assembly with the second round brush links to each other.
According to the utility model discloses a cleaning head, because first drive disk assembly and second drive disk assembly can realize the switching-over through the reverse wheel to can be so that cleaning head's transmission simple structure, manufacturing cost is lower. Additionally, the utility model discloses a cleaning head rotates through the first round brush of single motor control and second round brush, and the synchronism when can be so that two round brushes rotate is better.
According to a further embodiment of the present invention, a cleaning device comprises the cleaning head of the above-described embodiments.
According to the utility model discloses a cleaning device, because first drive disk assembly and second drive disk assembly can realize the switching-over through the reverse wheel to can be so that cleaning device's transmission simple structure, manufacturing cost is lower. Additionally, the utility model discloses a cleaning equipment rotates through the first round brush of single motor control and second round brush, and the synchronism when can be so that two round brushes rotate is better.
Drawings
Fig. 1 is a bottom view of a cleaning head according to an embodiment of the present invention.
Figure 2 is an exploded view of a drive for a cleaning head according to an embodiment of the present invention.
Figure 3 is an internal schematic view of a transmission for a cleaning head according to an embodiment of the invention.
Figure 4 is a top view of a transmission for a cleaning head according to an embodiment of the invention.
Figure 5 is an isometric view of a drive for a cleaning head according to an embodiment of the present invention.
Reference numerals are as follows:
10. a transmission device;
11. a motor;
12. a driving wheel;
13. a reversing wheel;
14. a first transmission member; 141. a first drive pulley; 1411. a first gear; 1412. a first pulley; 142. a second transmission wheel; 143. a first belt;
15. a second transmission member; 151. a third transmission wheel; 1511. a second gear; 1512. a second pulley; 152. a fourth transmission wheel; 153. a second belt;
16. a transmission case; 161. a first case; 1611. a first mounting position; 1612. a convex spigot; 162. a second case; 1621. a second mounting location; 1622. a concave spigot; 163. an accommodating chamber;
17. a first output shaft;
18. a second output shaft;
20. a housing;
30. a roll brush assembly; 31. a first roll brush; 32. and a second rolling brush.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
A transmission 10 for a cleaning head, a cleaning head and a cleaning apparatus according to an embodiment of the present invention will be described below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, according to the transmission 10 for a cleaning head of an embodiment of the present invention, the cleaning head includes a first rolling brush 31 and a second rolling brush 32 arranged at intervals. The transmission device 10 comprises a motor 11, a driving wheel 12, a reversing wheel 13, a first transmission part 14 and a second transmission part 15, wherein the motor 11 is connected with the driving wheel 12, the driving wheel 12 is meshed with the reversing wheel 13 and the first transmission part 14, the reversing wheel 13 is meshed with the second transmission part 15, the first transmission part 14 is suitable for being connected with a first rolling brush 31, and the second transmission part 15 is suitable for being connected with a second rolling brush 32.
According to the utility model discloses a transmission 10 for cleaning head, because first drive disk assembly 14 and second drive disk assembly 15 can realize the switching-over through reverse wheel 13 to can be so that transmission 10's transmission simple structure, manufacturing cost is lower. In addition, the transmission device 10 of the embodiment of the present invention controls the first rolling brush 31 and the second rolling brush 32 to rotate through the single motor 11, so that the two rolling brushes can rotate in a better synchronization manner.
Specifically, as shown in fig. 2 and 3, the first transmission member 14 includes a first transmission wheel 141, a second transmission wheel 142 and a first belt 143, the first transmission wheel 141 is engaged with the driving wheel 12, and the second transmission wheel 142 is connected to the first transmission wheel 141 through the first belt 143. The second transmission member 15 includes a third transmission wheel 151, a fourth transmission wheel 152 and a second belt 153, the third transmission wheel 151 is engaged with the reversing wheel 13, and the fourth transmission wheel 152 is connected with the third transmission wheel 151 through the second belt 153.
It can be understood that, as shown in fig. 2 and 3, when the motor 11 rotates, the driving wheel 12 rotates the first driving wheel 141, and the first driving wheel 141 rotates the second driving wheel 142 via the first belt 143, so as to rotate the first rolling brush 31. In addition, action wheel 12 and switching-over wheel 13 meshing to can drive third drive wheel 151 through switching-over wheel 13 and rotate, third drive wheel 151 drives fourth drive wheel 152 through second belt 153 and rotates, and then drives the second round brush 32 and rotate, and the rotation opposite direction of first round brush 31 and second round brush 32, the utility model discloses a transmission 10 for cleaning head is through setting up first drive disk assembly 14 and second drive disk assembly 15 to above-mentioned structure, can be so that more steady during the transmission of transmission 10 to part structure is simple, and the manufacturing of being convenient for, manufacturing cost is lower.
Alternatively, as shown in fig. 2 and 3, the first driving wheel 141 includes a first gear 1411 and a first pulley 1412 which are coaxially connected. It is understood that the first gear 1411 and the first pulley 1412 are engaged in a rotation-stop manner, for example, the first gear 1411 and the first pulley 1412 may be connected by integral molding. For another example, the first gear 1411 and the first pulley 1412 may be connected by an interference fit, so that when the first gear 1411 rotates, the first pulley 1412 may be driven to rotate synchronously. The first gear 1411 is engaged with the driving wheel 12, and the first belt 143 is wound around the first pulley 1412.
The third transmission wheel 151 comprises a second gear 1511 and a second pulley 1512 which are coaxially connected, it being understood that the second gear 1511 and the second pulley 1512 are in a rotation-locked engagement, for example, the second gear 1511 and the second pulley 1512 may be connected by integral molding. For another example, the second gear 1511 and the second pulley 1512 may be connected by interference fit, so that when the second gear 1511 rotates, the second pulley 1512 may be driven to rotate synchronously. The second gear 1511 is engaged with the driven pulley, and the second belt 153 is wound around the second pulley 1512.
It can be understood that the first driving wheel 141 and the third driving wheel 151 both include a gear engagement portion and a pulley transmission portion, and the driving device 10 for a cleaning head according to the embodiment of the present invention can make the first driving part 14 and the second driving part 15 compact by setting the first driving wheel 141 and the third driving wheel 151 to the above structure, so that the space layout in the driving device 10 is reasonable. In addition, the first gear 1411, the first pulley 1412, the second gear 1511 and the second pulley 1512 can be integrally formed, so that the structural strength of the first transmission wheel 141 and the third transmission wheel 151 can be improved, the transmission device 10 has good stability during transmission, and the service life of the transmission device is long.
Alternatively, as shown in fig. 2 and 3, the number of teeth of the first gear 1411 and the number of teeth of the second gear 1511 are both greater than the number of teeth of the driving wheel 12, so that the rotation speed of the output shaft of the motor can be reduced, and the speed reduction effect of the transmission device 10 is better. The outer diameter of the second pulley 1512 is larger than the outer diameter of the first pulley 1412, and the outer diameter of the fourth pulley is larger than the outer diameter of the third pulley, so that the deceleration effect of the transmission 10 can be further improved.
Alternatively, as shown in figures 2 and 3, the axis of the driving wheel 12, the axis of the first driving wheel 141, the axis of the second driving wheel 142, the axis of the third driving wheel 151 and the axis of the fourth driving wheel 152 are substantially at the same height. It can be understood that the length direction of the transmission device 10 is consistent with the width direction (front-back direction in fig. 3) of the cleaning head, and the axes of the driving wheel 12, the first transmission wheel 141, the second transmission wheel 142, the third transmission wheel 151 and the fourth transmission wheel 152 are substantially located at the same height, so that the structural layout of the transmission device 10 can be optimized, the transmission device 10 can be conveniently installed, and the application range of the transmission device 10 is wider.
In some embodiments, as shown in fig. 2 to 5, the transmission device 10 further includes a transmission case 16, a first output shaft 17 and a second output shaft 18, the transmission case 16 includes a first case 161 and a second case 162, the first case 161 and the second case 162 are detachably connected and enclose a containing cavity 163, the driving wheel 12, the reversing wheel 13, the first transmission member 14 and the second transmission member 15 are disposed in the containing cavity 163, the first output shaft 17 is connected with the first transmission member 14, at least a portion of the first output shaft 17 extends out of the containing cavity 163 and is connected with the first rolling brush 31, the second output shaft 18 is connected with the second transmission member 15, and at least a portion of the second output shaft 18 extends out of the containing cavity 163 and is connected with the second rolling brush 32.
It will be appreciated that, as shown in fig. 2 to 5, one end of the first output shaft 17 is connected to the second transmission wheel 142, and the other end of the first output shaft 17 extends out of the accommodating chamber 163 and is coaxially connected to the first rolling brush 31. One end of the second output shaft 18 is connected to the fourth transmission wheel 152, and the other end of the second output shaft 18 extends out of the accommodating cavity 163 and is coaxially connected to the second rolling brush 32.
As shown in fig. 2, the first casing 161 and the second casing 162 are detachably connected, and it can be understood that the first casing 161 and the second casing 162 may be clamped or fixed by a screw or a pin. For example, a plurality of first mounting locations 1611 are arranged at intervals in the circumferential direction of the first case 161, a plurality of second mounting locations 1621 are arranged at intervals in the circumferential direction of the second case 162, the plurality of second mounting locations 1621 correspond to the plurality of first mounting locations 1611 one to one, and the transmission case 16 further includes screws that are engaged with the first mounting locations 1611 and the second mounting locations 1621. The utility model discloses a transmission 10 for cleaning head connects first box 161 and second box 162 through above-mentioned mode, can be so that transmission 10's equipment is simple with the dismantlement, and is convenient for manufacturing, and manufacturing cost is lower.
Alternatively, as shown in fig. 2, one of the first case 161 and the second case 162 is provided with a male coupling 1612, and the other is provided with a female coupling 1622, the male coupling 1612 being fitted with the female coupling 1622. For example, the first case 161 is provided with a male notch 1612, and the second case 162 is provided with a female notch 1622. When the first case 161 and the second case 162 are assembled, the female spigot 1622 and the male spigot 1612 can be mated to improve the sealing effect of the transmission case 16, thereby allowing the transmission 10 to have a longer service life.
As shown in fig. 1, a cleaning head according to another embodiment of the present invention includes: a housing 20, a roller brush assembly 30, and a transmission 10. The brush roll assembly 30 includes first and second brush rolls 31 and 32, and the first and second brush rolls 31 and 32 are arranged on the housing 20 at intervals in the front-rear direction. Transmission 10 is a transmission 10 for a cleaning head according to an embodiment of the present invention, and the first transmission member 14 is connected to the first rolling brush 31, and the second transmission member 15 is connected to the second rolling brush 32.
According to the utility model discloses a cleaning head, because first drive disk assembly 14 and second drive disk assembly 15 can realize the switching-over through reverse wheel 13 to can be so that cleaning head's transmission simple structure, manufacturing cost is lower. Additionally, the utility model discloses a cleaning head passes through the first round brush 31 of single motor 11 control and the second round brush 32 rotates, and the synchronism when can making two round brushes rotate is better.
A cleaning appliance according to a further embodiment of the invention, which comprises a cleaning head as in the embodiments described above, may for example be a vacuum cleaner or a floor scrubber.
According to the utility model discloses a cleaning device, because first drive disk assembly 14 and second drive disk assembly 15 can realize the switching-over through reverse wheel 13 to can be so that cleaning device's transmission simple structure, manufacturing cost is lower. Additionally, the utility model discloses a cleaning device passes through the first round brush 31 of single motor 11 control and the second round brush 32 rotates, and the synchronism when can making two round brushes rotate is better.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean 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 present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.
Claims (10)
1. A transmission for a cleaning head, the cleaning head including first and second spaced apart roller brushes, the transmission comprising: the motor is connected with the driving wheel, the driving wheel is meshed with the reversing wheel and the first transmission part, the reversing wheel is meshed with the second transmission part, the first transmission part is suitable for being connected with the first rolling brush, and the second transmission part is suitable for being connected with the second rolling brush.
2. The transmission for a cleaning head according to claim 1, wherein the first transmission member includes a first transmission wheel, a second transmission wheel and a first belt, the first transmission wheel is engaged with the driving wheel, and the second transmission wheel is connected with the first transmission wheel through the first belt;
the second transmission part comprises a third transmission wheel, a fourth transmission wheel and a second belt, the third transmission wheel is meshed with the reversing wheel, and the fourth transmission wheel is connected with the third transmission wheel through the second belt.
3. The transmission for a cleaning head according to claim 2, wherein the first driving wheel includes a first gear and a first pulley that are coaxially connected, the first gear is engaged with the driving wheel, and the first belt is wound around the first pulley;
the third transmission wheel comprises a second gear and a second belt wheel which are coaxially connected, the second gear is meshed with the driven wheel, and the second belt is wound on the second belt wheel.
4. A drive arrangement for a cleaning head according to claim 3 wherein the number of teeth of the first gear and the number of teeth of the second gear are each greater than the number of teeth of the drive wheel;
and/or the outer diameter of the second belt wheel is larger than that of the first belt wheel, and the outer diameter of the fourth belt wheel is larger than that of the third belt wheel.
5. A drive arrangement for a cleaning head according to claim 2, wherein the axis of the drive wheel, the axis of the first drive wheel, the axis of the second drive wheel, the axis of the third drive wheel and the axis of the fourth drive wheel are located at substantially the same height.
6. A drive arrangement for a cleaning head according to any one of claims 1 to 5 further including: the transmission case comprises a first case body and a second case body, the first case body and the second case body are detachably connected and enclosed to form a containing cavity, the driving wheel, the reversing wheel, the first transmission part and the second transmission part are arranged in the containing cavity, the first output shaft is connected with the first transmission part, at least part of the first output shaft extends to the outside of the containing cavity and is connected with the first rolling brush, the second output shaft is connected with the second transmission part, and at least part of the second output shaft extends to the outside of the containing cavity and is connected with the second rolling brush.
7. The transmission device for the cleaning head according to claim 6, wherein a plurality of first mounting positions are arranged on the first box body at intervals in the circumferential direction, a plurality of second mounting positions are arranged on the second box body at intervals in the circumferential direction, the plurality of second mounting positions correspond to the plurality of first mounting positions one by one, and the transmission box further comprises a threaded member which is matched with the first mounting positions and the second mounting positions.
8. A drive arrangement for a cleaning head according to claim 6, wherein one of the first and second housings is provided with a male spigot and the other is provided with a female spigot, the male spigot cooperating with the female spigot.
9. A cleaner head, comprising:
a housing;
the rolling brush assembly comprises a first rolling brush and a second rolling brush, and the first rolling brush and the second rolling brush are arranged on the shell at intervals;
a transmission for a cleaning head as claimed in any one of claims 1 to 8, the first transmission member being connected to the first roller brush and the second transmission member being connected to the second roller brush.
10. A cleaning device comprising a cleaning head as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220406763.6U CN217610788U (en) | 2022-02-25 | 2022-02-25 | Transmission device for cleaning head, cleaning head and cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220406763.6U CN217610788U (en) | 2022-02-25 | 2022-02-25 | Transmission device for cleaning head, cleaning head and cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217610788U true CN217610788U (en) | 2022-10-21 |
Family
ID=83643881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220406763.6U Active CN217610788U (en) | 2022-02-25 | 2022-02-25 | Transmission device for cleaning head, cleaning head and cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217610788U (en) |
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2022
- 2022-02-25 CN CN202220406763.6U patent/CN217610788U/en active Active
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