CN223232632U - Self-cleaning device for filter assembly of vacuum cleaner - Google Patents
Self-cleaning device for filter assembly of vacuum cleanerInfo
- Publication number
- CN223232632U CN223232632U CN202422301540.5U CN202422301540U CN223232632U CN 223232632 U CN223232632 U CN 223232632U CN 202422301540 U CN202422301540 U CN 202422301540U CN 223232632 U CN223232632 U CN 223232632U
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- filter
- air duct
- cleaning
- negative pressure
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Abstract
The utility model relates to the technical field of filter cleaning, and discloses a self-cleaning device of a dust collector filter assembly, which comprises a cabin body, wherein an inner cavity is formed in the cabin body, a base for installing the filter assembly is arranged in the inner cavity, a negative pressure channel capable of generating negative pressure is arranged on the outer side of the cabin body, a front filter cleaning air channel and a rear filter cleaning air channel which are mutually independent are formed between the cabin body and the filter assembly, the front filter cleaning air channel and the rear filter cleaning air channel are communicated with the negative pressure channel, the rear filter cleaning air channel penetrates through a rear filter, and the front filter cleaning air channel penetrates through the front filter. The filter component is placed in the cabin body, the negative pressure channel utilizes negative pressure to generate suction, and the front filter and the rear filter are respectively reversely blown and cleaned along the front filter cleaning air channel and the rear filter cleaning air channel, so that the contact pollution of a user is avoided, the two cleaning air channels are mutually independent and sealed, and secondary pollution in the cleaning process can be avoided.
Description
Technical Field
The utility model relates to the technical field of filter cleaning, in particular to a self-cleaning device of a dust collector filter assembly.
Background
The filter assembly on the main machine of the dust collector mainly plays roles of guaranteeing cleaning effect and protecting the vacuum motor, therefore, a front filter and a rear filter are usually arranged on the upstream and downstream (an air inlet end and an air outlet end) of the vacuum motor respectively, the front filter is used for blocking dust from entering the vacuum motor, blocking a heat dissipation channel of the motor and wearing parts of the motor are avoided, the heat dissipation effect and the service life of the motor are influenced, the rear filter is used for filtering tiny dust particles, and the dust is prevented from being dissipated into the air again in the dust collection process, so that the dust collector is ensured to achieve good cleaning effect.
The Chinese patent publication No. CN221331058U is in favor of 2024, 7 and 16, and discloses a cordless dust collector which is convenient to maintain, wherein the filter inside the cordless dust collector comprises a front filter assembly and a rear filter assembly which are integrally integrated and respectively positioned at the upper and the lower stream of a vacuum motor, and meanwhile, the filter can be independently detached from a dust collection main body, thereby not only meeting the requirement on air filtration, but also independently detaching the filter without detaching a dust collection cup, and simultaneously maintaining the front filter assembly and the rear filter assembly, greatly reducing the operation difficulty of users in the actual use process and improving the use experience sense of the users.
The filter disclosed in the aforesaid patent integrates front and rear filter components into an integral structure, although the difficulty of disassembly and assembly on the dust collector is reduced, but because two filter surfaces are nearly vertical, the filter is inconvenient in the actual manual cleaning process, and particle impurities such as dust adsorbed on the filter components are peeled off and then dissipated everywhere, so that secondary pollution is caused, therefore, we propose a self-cleaning device for the filter components of the dust collector.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a self-cleaning device of a dust collector filter assembly, wherein an integrated filter assembly is placed in a cabin body, suction force is generated by negative pressure at a negative pressure channel, and a front filter and a rear filter of the filter assembly are respectively reversely blown and cleaned through a front filter cleaning air channel and a rear filter cleaning air channel so as to avoid contact pollution of users.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The self-cleaning device of the dust collector filtering assembly comprises a cabin body, wherein an inner cavity is formed in the cabin body, a base for installing the filtering assembly is arranged in the inner cavity, and a negative pressure channel capable of generating negative pressure is arranged on the outer side of the cabin body;
The filter assembly comprises a cabin body and a filter assembly, wherein a front filter cleaning air channel and a rear filter cleaning air channel which are mutually independent are formed between the cabin body and the filter assembly, the front filter cleaning air channel and the rear filter cleaning air channel are communicated with the negative pressure channel, the rear filter cleaning air channel penetrates through the rear filter, and the front filter cleaning air channel penetrates through the front filter.
Optionally, the post-filtering clean air duct comprises an inner cavity, a buffer cavity and a post-filtering air duct which are sequentially communicated, wherein baffles are arranged at the front end and the rear end of the base, the buffer cavity is enclosed and formed among the baffles, the post-filter and the base, the buffer cavity is communicated with the inner cavity through the post-filter, the post-filtering air duct is arranged at the outer side of the cabin, and the two ends of the post-filtering air duct are respectively communicated with the buffer cavity and the negative pressure channel.
Optionally, through holes are formed in the left side and the right side of the base, and the buffer cavity is communicated with the rear filtering air duct through the through holes.
Optionally, the left and right sides of base still has seted up and is used for fixing a position the constant head tank of filter assembly, the constant head tank is located the outside of through-hole, just filter the wind channel with the negative pressure passageway is through well UNICOM way intercommunication between.
Optionally, the front filtering cleaning air duct comprises a side air duct, a front end cavity and a front filtering air duct which are communicated in sequence, wherein the side air duct is arranged at the bottom of the inner cavity and is communicated with the inner cavity, the front end cavity is enclosed and formed between the baffle and the front filter, one end of the front filtering air duct is communicated with the front end cavity through the front filter, and the other end of the front filtering air duct is communicated with the negative pressure channel.
Optionally, the front end of the cabin body is provided with a shell, an installation cavity communicated with the inner cavity is formed in the shell, and a cleaning mechanism for cleaning the front filter is arranged on the shell.
Optionally, the cleaning mechanism includes a cleaning brush head rotatably mounted in the mounting cavity, the cleaning brush head is abutted to the front filter, and a driving assembly for driving the cleaning brush head to rotate is arranged on the outer side of the housing.
Optionally, the driving assembly comprises a driving motor, a rotating shaft and a synchronous belt, wherein the driving motor is fixedly arranged on the outer side of the cabin body, a driving wheel is arranged at the output end of the driving motor, the rotating shaft is rotatably arranged on the shell in a penetrating mode, one end of the rotating shaft is connected with the cleaning brush head, a driven wheel is arranged at the other end of the rotating shaft, and the driven wheel is connected with the driving wheel through the synchronous belt.
Optionally, a cover plate capable of being turned and opened longitudinally is installed at the top of the cabin body, the rear end of the cover plate is rotationally connected with the top of the cabin body, and a groove is further formed in the cover plate.
Advantageous effects
(1) The filter component is placed in the cabin body, the negative pressure channel utilizes negative pressure to generate suction, and the front filter and the rear filter are respectively reversely blown and cleaned along the front filter cleaning air channel and the rear filter cleaning air channel, so that the contact pollution of a user is avoided, the two cleaning air channels are mutually independent and sealed, and secondary pollution in the cleaning process can be avoided.
(2) In the actual working condition, the pollution degree of the front filter is far greater than that of the rear filter, so that the cleaning mechanism for assisting negative pressure air suction cleaning is arranged at the front end of the cabin body, dirt firmly adsorbed on the front filter is separated by repeatedly sweeping through the rotation of the cleaning brush head, and the cleaning effect of the device is effectively improved.
Drawings
FIG. 1 is a schematic view of a self-cleaning apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a filter assembly of a vacuum cleaner according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing the location of the filter assembly and the self-cleaning apparatus according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a path structure of a post-filter clean air duct according to an embodiment of the present utility model;
FIG. 5 is a schematic view showing the internal structure of a self-cleaning apparatus according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a path structure of a pre-filter clean air duct according to an embodiment of the present utility model;
wherein, 1, a cabin body, 2, a cover plate, 201, a groove;
3. Base, 301, baffle, 302, through hole, 303, positioning groove;
401. a post-filtering air duct 402, a middle connecting channel;
501. Side air duct 502, shell 503, front filter air duct 6, negative pressure channel;
701. Cleaning brush head 702, rotating shaft 703, driven wheel 704, driving wheel 705, driving motor 706 and synchronous belt;
801. Rack, 802, post-filter, 803, pre-filter.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
As shown in fig. 2, the integrated filter assembly suitable for the dust collector comprises a bracket 801, wherein a rear filter 802 and a front filter 803 are respectively arranged on the circumferential surface and the front end surface of the bracket 801, the front filter 803 is positioned at the air inlet end of a vacuum motor and is usually made of air inlet filter cotton, and the rear filter 802 is positioned at the air outlet end of the vacuum motor and is usually made of air outlet HEPA in normal use.
Under the action of the vacuum motor, the air flow carrying dirt passes through the front filter 803 from front to back, and after most dirt is intercepted, the residual tiny particles and the air flow pass through the rear filter 802 from inside to outside, and the discharged air is ensured not to cause secondary pollution to the external environment through interception of the rear filter 802.
Example 1
As shown in fig. 1-6, a self-cleaning device of a dust collector filter assembly comprises a cabin body 1, wherein an inner cavity is formed in the cabin body 1, a cover plate 2 capable of being turned and opened longitudinally is arranged at the top of the cabin body 1 to close and open the inner cavity, the cover plate 2 can be embedded into the top of the cabin body 1, the rear end of the cover plate 2 is rotationally connected with the top of the cabin body 1, a groove 201 is formed in the cover plate 2 for conveniently lifting and pulling the cover plate 2, and a user can rapidly open the cover plate 2 through the groove 201.
The inner side of the cabin body 1 is provided with the base 3, the outer side is provided with the negative pressure channel 6, the base 3 is positioned in the inner cavity and used for installing the integrated filter assembly, the negative pressure channel 6 is communicated with equipment capable of generating negative pressure externally, namely, the negative pressure equipment can generate negative pressure suction in the negative pressure channel 6, and dust collecting bags and other parts used for collecting dust are arranged between the negative pressure equipment and the negative pressure channel 6.
After the filter assembly is installed in the inner cavity of the cabin 1, a front filter cleaning air duct and a rear filter cleaning air duct which are mutually independent are formed between the cabin 1 and the filter assembly, and are communicated with the negative pressure channel 6, the rear filter cleaning air duct penetrates through the rear filter 802, and the front filter cleaning air duct penetrates through the front filter 803.
The negative pressure channel 6 generates suction, clean air is sucked from above the back filter 802, dust attached to the clean air is taken away when the clean air passes through the back filter 802, the air with dust and dirt is sucked into the back filtering cleaning air channel, and finally the air is sent into the dust bag along the negative pressure channel 6.
Similarly, the negative pressure channel 6 generates suction, clean air is sucked from the side, dust and dirt attached to the clean air are taken away when the clean air passes through the front filter 803, the air with the dust and dirt is sucked into the front filtering cleaning air channel, and finally the air with the dust and dirt is sent into the dust bag along the negative pressure channel 6.
The two groups of cleaning air channels of the device are communicated with the same negative pressure channel 6, and the two groups of cleaning air channels are mutually independent through sealing, and the front filter 803 and the rear filter 802 of the filter assembly are independently cleaned, so that the mutual secondary pollution in the cleaning process can be effectively prevented.
Through the device, the operator can just can reach the effect of high-efficient clean filter under the circumstances of not touching filter component dirty position, and the function is novel, and the convenience is strong to clear air inlet direction is opposite with the air inlet direction of filter during operation, has effectively improved clean effect.
As shown in fig. 4-5, the front end and the rear end of the base 3 are respectively provided with a baffle 301, a buffer cavity is formed by enclosing the rear filter 802, the base 3 and the two baffles 301, the buffer cavity is communicated with the inner cavity through the rear filter 802, a rear filter air duct 401 is arranged on the outer side of the cabin body 1, and two ends of the rear filter air duct 401 are respectively communicated with the buffer cavity and the negative pressure channel 6, namely, the rear filter cleaning air duct comprises the inner cavity, the buffer cavity and the rear filter air duct 401 which are sequentially communicated.
The negative pressure channel 6 and the back filtering air channel 401 are both arranged at the bottom of the outer side of the cabin body 1, the back filtering air channel 401 is communicated with the negative pressure channel 6 through the middle communicating channel 402, the back filtering air channel 401 is communicated with the buffer cavity through the through hole 302, the through hole 302 is arranged at the left side and the right side of the base 3, and the middle communicating channel 402 is used for quickly connecting the negative pressure channel 6 and the back filtering air channel 401.
Under the traction of the suction force generated by the negative pressure channel 6, the external air firstly enters the inner cavity, then passes through the rear filter 802 and enters the buffer cavity, dust and dirt attached on the rear filter 802 are blown out reversely in the process, and then the air with the dust and dirt passes through the through hole 302 and enters the rear filter air channel 401, and finally is sent into the dust bag to be collected along the middle communication channel 402 and the negative pressure channel 6.
Furthermore, the left and right sides of the base 3 are also provided with positioning grooves 303 for positioning the filter assembly, the positioning grooves 303 are positioned at the outer sides of the through holes 302, the lower end of the bracket 801 of the filter assembly is provided with a convex block which can be embedded into the positioning grooves 303 to ensure that the position of the bracket in the inner cavity is accurate, at the moment, the front filter 803 is positioned at the outer side of the baffle 301, and sealing rings are arranged in the baffle 301 and the positioning grooves 303 to realize the sealing between the inner and outer sides of the buffer cavity.
Wherein, a plurality of holes are arranged on the circumferential surface of the bracket 801 so that the air flow can pass through smoothly.
As shown in fig. 4 to 6, when the filter assembly is mounted on the base 3 of the inner cavity, the front filter 803 is located outside the baffle 301 at the front end, and a front end cavity is formed by enclosing the front filter 803 and the baffle 301, a side air duct 501 communicated with the side air duct 501 is formed on the bottom side of the inner cavity, and the side air duct 501 is simultaneously communicated with the front end cavity, and the front filter air duct 503 is arranged at the front end of the cabin 1, and one end of the front filter air duct is communicated with the front end cavity through the front filter 803, and the other end of the front filter air duct is communicated with the negative pressure channel 6, namely, the front filter cleaning air duct comprises the side air duct 501, the front end cavity and the front filter air duct 503 which are sequentially communicated.
Under the traction of the suction force generated by the negative pressure channel 6, clean air in the inner cavity enters the side air channels 501 at the bottom from two sides, enters the front end cavity along the side air channels 501, passes through the front filter 803 from inside to outside and enters the front filtering air channel 503, in the process, the air flow blows dust and dirt attached to the front filter 803 back and clean, and then the air with dust and dirt enters the front filtering air channel 503 and finally enters the dust bag along the negative pressure channel 6 for collection.
Example two
In practical conditions, the pollution level of the front filter 803 is far greater than that of the rear filter 802, so the utility model also provides a cleaning mechanism for assisting negative pressure suction cleaning on the basis of the first embodiment.
As shown in fig. 1-6, the front end of the cabin body 1 is provided with a shell 502, an installation cavity communicated with the inner cavity is formed in the shell 502, a cleaning mechanism for cleaning the pre-filter 803 is arranged on the shell 502, one part of the cleaning mechanism is positioned in the installation cavity and used for cleaning the pre-filter 803, and the other part of the cleaning mechanism is positioned outside the installation cavity and plays a driving role.
The cleaning mechanism includes a cleaning brush head 701 rotatably installed in the installation cavity, the cleaning brush head 701 is abutted against the front filter 803, and a driving assembly for driving the cleaning brush head 701 to rotate is disposed on the outer side of the housing 502.
Wherein, the installation cavity is communicated with the inner cavity, and the front filtering air duct 503 is communicated with the front end cavity through the front filter 803, and because the front filter 803 is positioned in the inner cavity, the installation cavity is communicated with the front end cavity through the front filter 803 and the front filtering air duct 503, namely, the installation cavity is a part of the front filtering cleaning air duct.
The cleaning brush head 701 is driven by the driving assembly to rotate and repeatedly sweep, dirt such as dust particles on the front filter 803 is peeled off, and meanwhile, the dirt blown away in the reverse direction is sent into the dust bag together with the negative pressure suction generated by the negative pressure channel 6.
Through the mechanism, the device can be used for assisting negative pressure suction for cleaning, dirt firmly adsorbed on the front filter 803 is separated by repeatedly sweeping through the rotation of the hairbrush on the cleaning brush head 701, and the cleaning effect of the device is effectively improved.
Further, the driving assembly comprises a driving motor 705, a rotating shaft 702 and a synchronous belt 706, wherein the driving motor 705 is fixedly arranged on the outer side of the cabin body 1, a driving wheel 704 is arranged at the output end of the driving motor 705, the rotating shaft 702 is rotatably arranged on the shell 502 in a penetrating mode, one end of the rotating shaft 702 is connected with the cleaning brush head 701, a driven wheel 703 is arranged at the other end of the rotating shaft 702, and the driven wheel 703 is connected with the driving wheel 704 through the synchronous belt 706.
The driving assembly adopts a belt transmission structure, namely, the torque of a driving motor 705 is transmitted to a rotating shaft 702 through a belt transmission structure formed by a driving wheel 704, a driven wheel 703 and a synchronous belt 706, and then the rotating shaft 702 drives the cleaning brush head 701 to rotate, wherein the rotating shaft 702 is coaxial with a front filter 803.
Working principle:
The negative pressure channel 6 generates suction, clean air from outside firstly enters the inner cavity and then passes through the rear filter 802 to enter the buffer cavity, dust and dirt attached to the rear filter 802 are blown out reversely in the process, and then the air with the dust and dirt passes through the through hole 302 to enter the rear filter air duct 401 and is finally sent into the dust bag to be collected along the middle communication channel 402 and the negative pressure channel 6;
When the cleaning brush head 701 cleans dirt attached to the surface of the front filter 803, the negative pressure channel 6 generates suction force, clean air in the inner cavity enters the side air channel 501 at the bottom from two sides, enters the front end cavity along the side air channel 501, passes through the front filter 803 from inside to outside and enters the mounting cavity, in the process, dust and dirt attached to the front filter 803 are reversely blown clean by air flow, and along with dirt cleaned by the cleaning brush head 701, the dirt enters the front filtering air channel 503 together with air, and finally is sent into a dust bag along the negative pressure channel 6 to be collected (white arrow in the figure is clean air, and black arrow is air with dust and dirt).
In summary, when the device is used, the cover plate 2 is opened, the integrated filter assembly is arranged in the inner cavity, the filter assembly can be cleaned automatically, the front filter 803 and the rear filter 802 can be cleaned by reversely blowing air respectively through the mutually independent front filter cleaning air duct and rear filter cleaning air duct, the cleaning effect of the front filter 803 can be improved through the cleaning mechanism, the device achieves the function of cleaning the filter assembly of the dust collector in a mode of adding negative pressure to the cleaning brush head 701 for sucking air, an operator can finish the effect of cleaning the filter efficiently under the condition of not contacting the dirt part of the filter assembly, and the device has novel function and strong convenience.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. The self-cleaning device of the dust collector filtering component is characterized by comprising a cabin body (1), wherein an inner cavity is formed in the cabin body (1), a base (3) for installing the filtering component is arranged in the inner cavity, and a negative pressure channel (6) capable of generating negative pressure is arranged on the outer side of the cabin body (1);
The filter assembly is characterized in that a front filter cleaning air duct and a rear filter cleaning air duct which are mutually independent are formed between the cabin body (1) and the filter assembly, the front filter cleaning air duct and the rear filter cleaning air duct are communicated with the negative pressure channel (6), the rear filter cleaning air duct penetrates through the rear filter (802), and the front filter cleaning air duct penetrates through the front filter (803).
2. The self-cleaning device of a dust collector filter assembly according to claim 1, wherein the post-filtering cleaning air duct comprises an inner cavity, a buffer cavity and a post-filtering air duct (401) which are communicated in sequence, wherein the front end and the rear end of the base (3) are respectively provided with a baffle (301), the buffer cavity is formed among the baffle (301), the post-filter (802) and the base (3) in a surrounding manner, and the buffer cavity is communicated with the inner cavity through the post-filter (802);
The rear filtering air duct (401) is arranged on the outer side of the cabin body (1), and two ends of the rear filtering air duct (401) are respectively communicated with the buffer cavity and the negative pressure channel (6).
3. The self-cleaning device of a filter assembly of a vacuum cleaner according to claim 2, wherein the base (3) is provided with through holes (302) on both left and right sides, and the buffer chamber is communicated with the rear filter air duct (401) through the through holes (302).
4. The self-cleaning device for the filter assembly of the dust collector according to claim 3, wherein the left side and the right side of the base (3) are also provided with positioning grooves (303) for positioning the filter assembly, the positioning grooves (303) are positioned on the outer sides of the through holes (302), and the filter air duct (401) is communicated with the negative pressure channel (6) through a middle communication channel (402).
5. The self-cleaning device of a filter assembly of a vacuum cleaner according to claim 2, wherein the front filter cleaning air duct comprises a side air duct (501), a front end cavity and a front filter air duct (503) which are communicated in sequence, the side air duct (501) is arranged at the bottom of the inner cavity and is communicated with the inner cavity, the front end cavity is formed between the baffle (301) and the front filter (803) in a surrounding manner, one end of the front filter air duct (503) is communicated with the front end cavity through the front filter (803), and the other end of the front filter air duct is communicated with the negative pressure channel (6).
6. The self-cleaning device of a filter assembly of a vacuum cleaner according to claim 1, wherein a housing (502) is provided at the front end of the cabin (1), a mounting cavity communicating with the inner cavity is provided inside the housing (502), and a cleaning mechanism for cleaning the front filter (803) is provided on the housing (502).
7. A self-cleaning device of a vacuum cleaner filter assembly as claimed in claim 6, wherein the cleaning mechanism comprises a cleaning brush head (701) rotatably mounted in the mounting cavity, the cleaning brush head (701) is abutted against the pre-filter (803), and a driving assembly for driving the cleaning brush head (701) to rotate is arranged on the outer side of the housing (502).
8. The self-cleaning device of a dust collector filter assembly according to claim 7, wherein the driving assembly comprises a driving motor (705), a rotating shaft (702) and a synchronous belt (706), the driving motor (705) is fixedly arranged on the outer side of the cabin (1), and a driving wheel (704) is arranged at the output end of the driving motor (705);
The rotating shaft (702) is rotatably arranged on the shell (502) in a penetrating mode, one end of the rotating shaft (702) is connected with the cleaning brush head (701), the other end of the rotating shaft is provided with the driven wheel (703), and the driven wheel (703) is connected with the driving wheel (704) through the synchronous belt (706).
9. The self-cleaning device of a dust collector filter assembly according to any one of claims 1-8, wherein a cover plate (2) capable of being opened and closed along the longitudinal overturning direction is arranged at the top of the cabin body (1), the rear end of the cover plate (2) is rotatably connected with the top of the cabin body (1), and a groove (201) is further formed in the cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422301540.5U CN223232632U (en) | 2024-09-20 | 2024-09-20 | Self-cleaning device for filter assembly of vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422301540.5U CN223232632U (en) | 2024-09-20 | 2024-09-20 | Self-cleaning device for filter assembly of vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223232632U true CN223232632U (en) | 2025-08-19 |
Family
ID=96726333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422301540.5U Active CN223232632U (en) | 2024-09-20 | 2024-09-20 | Self-cleaning device for filter assembly of vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223232632U (en) |
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2024
- 2024-09-20 CN CN202422301540.5U patent/CN223232632U/en active Active
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