CN215305440U - Hand-held type cleaning device - Google Patents

Abstract

The utility model relates to a hand-held cleaning device, which comprises a cleaning device body, wherein the front end of the cleaning device body is provided with a dust suction port; a motor for forming an air flow introduced into the cleaning apparatus body from the dust suction port; and a filter element structure body located on the flow path of the air flow; the motor is arranged in the cleaning device body, and an air inlet on the motor is arranged towards the rear end of the cleaning device body; simultaneously, the connection can be dismantled on the rear end of cleaning device body to the filter core structure body, inverts through the motor for the filter mechanism body sets up in this cleaning device's one end, and convenience of customers takes out the filter mechanism body and changes.

Description

Hand-held type cleaning device

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of cleaning, in particular to a handheld cleaning device.

[ background of the utility model ]

In the field of cleaning, it is generally known to filter the airflow drawn into a cleaning device during a cleaning process by means of a filter mechanism, and the inventors have found the following problems in the use of existing cleaning devices:

firstly, the prior cleaning device locates the HEPA at the front end of the motor, so that the HEPA is located on the flow path of the air flow, but the air inlet HEPA is required to be installed inside the device, the HEPA is used as a consumable, the HEPA is required to be replaced when the adsorbed dust on the HEPA is too large after the HEPA is used for a period of time, and the installation frame of the HEPA in the prior device is fixed in the device, so that the disassembly and assembly of the HEPA are time-consuming and labor-consuming.

Accordingly, there is a need in the art for an improved hand-held cleaning device that overcomes the above-mentioned deficiencies in the prior art.

[ Utility model ] content

Aiming at the defects in the prior art, the utility model aims to provide a handheld cleaning device, which is characterized in that a filter mechanism is arranged at one end of the cleaning device through inversion of a motor, so that a user can take out the filter mechanism for replacement.

The technical scheme of the utility model is summarized as follows:

the present invention provides a hand-held cleaning device comprising:

the cleaning device comprises a cleaning device body, a dust collecting opening is arranged at the front end of the cleaning device body;

a motor for forming an air flow introduced into the cleaning apparatus body from the dust suction port; and

a filter element structure body located on a flow path of the gas flow;

the motor is arranged in the cleaning device body, and an air inlet on the motor is arranged towards the rear end of the cleaning device body; simultaneously, the filter core structure body can be dismantled and connect on the rear end of cleaning device body.

Preferably, the filter element structure body comprises an outer shell and a filter screen arranged in the outer shell;

the cleaning device body is connected with the outer shell to form a main structure of the cleaning device, and a complete airflow flow channel is formed inside the cleaning device body;

when the motor works, airflow flows in a channel formed by the cleaning device body and the outer shell, wherein the airflow passes through the filter screen and finally enters the motor.

Preferably, the cleaning device further comprises a handle mounted on the cleaning device body.

Preferably, the handle is mounted on a rear end of the cleaning device body;

the outer shell penetrates through the front and back of the outer shell to form a hollow portion in the outer shell, and the handle penetrates through the hollow portion, so that the filter element structure body is sleeved on the cleaning device body.

Preferably, the handle comprises an access end extending into the main structure of the cleaning device and a holding part;

the access end is hollow, and when the handle is accessed into the cleaning device body, the access end and the motor form a second airflow channel;

the air hole is formed in the side wall, corresponding to the filter element structure body, of the access end, and air flow flows into the second air flow channel through the air hole from a channel formed by the cleaning device body and the outer shell.

Preferably, the filter element structure body comprises a first mounting frame and a second mounting frame, through holes are formed in the circumferential direction of the outer walls of the first mounting frame and the second mounting frame, and the filter screen is coated on the through holes;

the first mounting frame is arranged in the outer shell, so that an accommodating cavity for accommodating the filter screen is formed between the inner wall of the outer shell and the first mounting frame;

the second mounting bracket is mounted on the first mounting bracket such that the second mounting bracket extends into the cleaning device body.

Preferably, a dust suction part is arranged in the cleaning device body, and an inlet end on the dust suction part is arranged on the cleaning device body to form the dust suction opening.

Preferably, a filter part is coated outside the inlet end, a hollow interlayer is formed between the inlet end and the filter part, and the interlayer is communicated with a channel for sucking airflow by the motor;

the inlet end is provided with an airflow outlet which guides the air sucked by the dust suction port into the cleaning device body;

air entering the cleaning device body penetrates the filter portion from the outside of the filter portion into the partition.

Preferably, one end of the filter part, which is close to the motor, extends outwards to form a connector end, a hollow receiving cavity is formed inside the connector end, and the receiving cavity is used for receiving the motor.

Preferably, an air outlet is formed in the side wall of the cleaning device body, and an air exhaust part on the motor is connected with the air outlet, so that air flow entering the motor is exhausted from the air outlet.

Compared with the prior art, the utility model has the beneficial effects that:

according to the handheld cleaning device, the position of the air inlet of the motor is opposite to the position of the dust suction port of the cleaning device, so that the filtering mechanism is conveniently arranged at one end of the cleaning device, the cleaning device is convenient to disassemble, assemble and replace, and the handheld cleaning device is simple in structure and convenient to use.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a general overall schematic view of a hand-held cleaning device of the present invention;

FIG. 2 is an exploded view of the hand held cleaning device of the present invention;

FIG. 3 is a first cross-sectional view of a hand-held cleaning device of the present invention;

FIG. 4 is a second cross-sectional view of the hand held cleaning device of the present invention;

FIG. 5 is a schematic view of the general overall structure of a vacuum element in the hand-held cleaning device of the present invention;

fig. 6 is a general overall structural schematic view of a body of a cartridge structure of the present invention;

fig. 7 is an exploded view of the body of the cartridge arrangement of the present invention;

fig. 8 is a partial schematic view of the body of the cartridge arrangement of the present invention;

fig. 9 is an exploded view of a portion of the body of the cartridge assembly of the present invention;

FIG. 10 is an enlarged partial schematic view of FIG. 9;

FIG. 11 is a general overall schematic of the secondary filter assembly of the present invention;

fig. 12 is a cross-sectional view of the body of the cartridge arrangement of the present invention.

Description of reference numerals:

1-cleaning the device body; 11-a cover body; 111-gas outlet; 12-an extension; 13-a detachable portion;

2, a motor; 21-an air inlet;

3-a dust-collecting part; 31-an inlet end; 311-dust suction port; 32-a filter section; 321. an airflow outlet; 322. a filtration pore; 33-an interface end; 331-a receiving chamber;

4-a handle; 41-a grip portion; 42-an access end; 421-air holes;

5-a filter element structure body;

51-a primary filter assembly; 511-an intake grid; 5111-connection port; 512-a first mount; 5121-air inlet; 513-an outer shell; 514-air chamber;

52-a secondary filtration component; 521. a second mounting bracket; 5211-a filter orifice; 522-air duct; 523-limit groove;

53-a filter screen;

6-air inlet direction.

[ detailed description ] embodiments

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

In the specific embodiment shown in fig. 1 and 2, the utility model provides a handheld cleaning device, which comprises a cleaning device body 1, a dust suction port 311 is arranged on the front end of the cleaning device body 1, the cleaning device body 1 is in a long cylinder shape, and the cleaning device body 1 sucks air into the cleaning device body 1 from the dust suction port 311;

a motor 2 for generating an air flow introduced into the cleaning apparatus body 1 from the dust suction port 311; and the number of the first and second groups,

a filter element structure body 5 mounted on the rear end of the cleaning device body 1;

the cleaning device comprises a cleaning device body 1, a motor 2, a filter element structure body 5 and a filter screen 53, wherein the motor 2 is arranged in the cleaning device body 1, when the motor 2 works, airflow flowing from the front end to the rear end of the cleaning device body 1 along an air inlet direction 6 is formed in the cleaning device body 1, and the filter element structure body 5 is arranged on a flow path of the airflow, so that the airflow is filtered through the filter screen 53 on the filter element structure body 5 in the flowing process of the airflow;

in the prior art, the air inlet direction of the motor is usually corresponding to the dust suction port, so that the filter element needs to be arranged at a position between the motor and the dust suction port, the filter element is inevitably required to be arranged in the cleaning device, the filter element needs to be replaced after being used for a period of time, and if the filter element is arranged in the device, the difficulty in replacing the filter element is increased; in the utility model, the position of the air inlet 21 of the motor 5 is opposite to the position of the dust suction port 311 of the cleaning device, that is, the motor is inverted in the cleaning device body 1, so that the filter element structure body 5 is conveniently installed at one end of the cleaning device, a user can conveniently grab the filter element structure body 5, and the disassembly, assembly and replacement are convenient.

The filter element structure body 5 comprises an outer shell 513, the filter screen 53 is arranged in the outer shell 513, and is connected with the outer shell 513 through the cleaning device body 1 to form a main structure of the cleaning device and enable the interior to form a complete airflow flow channel;

when the motor 2 is operated, the airflow flows in the channel formed by the cleaning device body 1 and the outer shell 513, wherein the airflow passes through the filter screen 53 and finally enters the motor 2.

Further, the cleaning device also comprises a handle 4, and the handle 4 is arranged on the cleaning device body 1 so as to be convenient for a user to hold the cleaning device for cleaning.

The handle 4 is mounted on the rear end of the cleaning device body 1; the axis of the handle 4 is parallel or approximately parallel to the axis of the motor 2, in the preferred embodiment, the axis of the handle 4 is in the same line with the axis of the motor 2, and the axes of the parts in the cleaning device are arranged in the same line, so that the center of gravity of the cleaning device is in the same line, and the cleaning device is prevented from shaking due to the fact that part of the parts deviate from the rotation axis of the motor 3 in the rotation process of the motor.

Specifically, the outer casing 513 penetrates forward and backward to form a hollow portion therein, and the handle 4 penetrates through the hollow portion, so that the filter element structure body 5 is sleeved on the cleaning device body 1.

The handle 4 comprises an access end 42 extending into the main structure of the cleaning device and a holding part 41; the access end 42 is hollow inside, and when the handle 4 is accessed into the cleaning device body 1, the access end 42 and the motor 2 form a second airflow channel;

the inlet end 42 is provided with an air hole 421 on the side wall corresponding to the filter element structure body 5, and air flows from a channel formed by the cleaning device body 1 and the outer shell 513 to the second air flow channel through the air hole 421, so that a complete air flow channel is formed.

In a preferred embodiment, a portion of the filter element structure body 5 extends into the cleaning device body 1, so as to limit the filter element structure body 5 on the cleaning device body 1; the filter element structure body 5 is internally provided with two filter screens 53, the two filter screens 53 are arranged along the air inlet direction 6, and meanwhile, the inside of the filter element structure body 5 is hollow and is used for forming an air flow channel.

Further, the filter element structure body 5 comprises a primary filter assembly 51 and a secondary filter assembly 52, the primary filter assembly 51 comprises a first mounting frame 512, and the secondary filter assembly 52 comprises a second mounting frame 521;

the first mounting frame 512 and the second mounting frame 521 are in a ring structure, and the axes of the first mounting frame 512 and the second mounting frame 521 are arranged on the same straight line in the airflow flowing direction; the first mounting frame 512 and the second mounting frame 521 are connected conveniently to form a whole;

when the first mounting bracket 512 is connected with the second mounting bracket 521, the hollow parts of the first and second mounting brackets 512 and 521 cooperate to form the airflow channel.

Through holes are formed in the circumferential direction of the outer walls of the first mounting frame 512 and the second mounting frame 521; specifically, circumference evenly arranged on first mounting bracket 512 is as the air intake 5121 of through-hole, circumference evenly distributed has on the second mounting bracket 521 is as the filtration mouth 5211 of through-hole, the filter screen 53 cladding is in on the through-hole for the air current is in filter back on the filter screen 53 the through-hole gets into in the air current passageway.

Compared with the existing HEPA structure, the filter element structure has the advantages that the contact area of the filter screen 53 on the airflow flow path is increased, so that the quantity of dust to be adsorbed on the filter screen 53 in unit area is reduced, the filter element structure body 5 can adsorb more dust, the service life of the filter element structure body 5 can be prolonged, the replacement frequency is reduced, and the use of a user is facilitated.

The cleaning device body 1 comprises a cover body 11 covering the outside of the cleaning device and an extension part 12 arranged in the cover body 11, wherein the extension part 12 is used for forming a part of an airflow channel; the port of the access end 42 is abutted against the extension part 12, so that an airflow channel is formed between the cover 11 and the access end 42 and the extension part 12, and the second mounting frame 521 extends into the airflow channel between the cover 11 and the access end 42 and the extension part 12;

and because the second mounting frame 521 does not have a vacancy entering the inside of the access end 42, the airflow positioned on the second mounting frame 521 flows to the first mounting frame 512 after being filtered, and enters the second airflow channel through the filter screen 53 on the first mounting frame 512, and by arranging the two filter screens 53, the amount of dust adsorbed on the filter screen 53 on the first mounting frame 512 can be reduced, so that the filtering effect of the filter screen 53 on the first mounting frame 512 is ensured.

In a preferred embodiment, the first mounting bracket 512 is disposed within the outer housing 513; an accommodating cavity for accommodating the filter screen 53 is formed between the inner wall of the outer shell 513 and the first mounting frame 512, and more specifically, the outer edge of the outer shell 513 is consistent with the outer wall of the cleaning device body 1 in shape or slightly smaller than the cleaning device body 1, so that the outer shell 513 can be hermetically connected with the cleaning device body 1, and the accommodating cavity formed in the outer shell 513 becomes an extension part of an air flow channel, so that the air flow is filtered on the filter screen 53 on the first mounting frame 512.

Second grade filtering component 52 stretches into in the cleaning device body 1, and one-level filtering component 51 is connected one of cleaning device body 1 is served, and convenience of customers snatchs this filter core structure body 5, so that change filter core structure body 5 for this cleaning device is more humanized, has improved the convenience that this cleaning device used.

Furthermore, the inner wall of the outer shell 513 is circumferentially and uniformly provided with the air inlet grids 511, the filter screen 53 is arranged between the first mounting frame 512 and the air inlet grids 511, so that an independent air chamber 514 is formed between two adjacent air inlet grids 511, the air flow entering the cleaning device body 1 is divided into a plurality of small air flows, and the small air flows enter the independent air chamber 514 for filtering, and therefore the filter screen 53 in the primary filter assembly 51 can filter the air flow more uniformly.

One end of the second mounting frame 521 extends outward to form a connecting portion connected to the primary filter assembly 51, so as to connect the primary filter assembly 51 to the secondary filter assembly 52, more specifically, a side wall of the connecting portion is attached to an inner wall of the outer housing 513, so that the primary filter assembly 51 is clamped on the outer housing 513 to limit a positional relationship between the primary filter assembly 51 and the secondary filter assembly 52, and the connecting portion is provided with an air duct 522 corresponding to the air inlet grill 511, so that an air flow enters the primary filter assembly 51;

after passing through the air duct 522, the air enters the air chamber 514, and then enters the first mounting rack 512 through the filter screen 53 coated on the first mounting rack 512.

Connecting portion are close to one side of primary filter assembly 51 is provided with spacing groove 523, works as primary filter assembly 51 with when secondary filter assembly 52 connects, spacing groove 523 stretches into hold the intracavity, makes to hold and puts hold the intracavity the filter screen 53 joint is in the spacing groove 523 for the air current can only pass the inside that filter screen 53 got into first mounting bracket 512.

A connecting port 5111 is formed at the top end of the air inlet grill 511, a skirt edge extends towards the direction of the primary filtering component 51, and the skirt edge is correspondingly inserted into the connecting port 5111 to limit the positions of the primary filtering component 51 and the secondary filtering component 52.

In a preferred embodiment, the cleaning device body 1 is provided with a dust suction member 3 therein, and the inlet end 31 of the dust suction member 3 is arranged on the cleaning device body 1 to form the dust suction port 311.

The inlet end 31 is externally coated with a filtering part 32, a hollow interlayer is formed between the inlet end 31 and the filtering part 32, and the interlayer is communicated with a channel for sucking airflow by the motor 2; the filter part 32 is provided with the filter holes 322, the sucked air is primarily filtered through the filter holes 322, and large-particle impurities are filtered, so that a small amount of adsorbed particles on the filter element structure body 5 are guaranteed, and the service life of the filter element structure body 5 is prolonged.

Further, an air outlet 321 is arranged on the inlet end 31, the air outlet 321 extends from the inlet end 31 and passes through the filter part 32 covering the outside to enter the cleaning device body 1, the air outlet 321 is isolated from the filter part 32, and the air outlet 321 guides the air sucked from the dust suction port 311 into the cleaning device body 1;

therefore, air sucked into the dust suction port 311 enters the cleaning device body 1 through the inlet end 31, penetrates through the filter part 32 from the outer side of the filter part 32 from the inside of the cleaning device body 1, enters the partition layer, and penetrates through the outer side of the filter part 32 through air, so that large-particle impurities are attached to the outer side of the filter part 32 to be convenient for cleaning the impurities on the filter part 32, specifically, one end of the cleaning device body 1, which is close to the dust suction port 311, can be detached to form a detaching part 13, the dust suction piece 3 is exposed after the detaching part 13 is detached, and at the moment, when the impurities are attached to the outer side of the filter part 32, the cleaning is more convenient.

Furthermore, an interface end 33 is formed by extending the end of the filter part 32 close to the motor 2 outward, a hollow receiving cavity 331 is formed inside the interface end 33, the receiving cavity 331 is used for receiving the motor 2, and the interface end 33 separates the detachable part 13 from the rear end of the cleaning device body 1 to form two independent spaces, so as to ensure that the rear end of the cleaning device body 1 still forms a closed space after the detachable part 13 is detached.

The side wall of the cleaning device body 1 is provided with an air outlet 111, the air exhaust part on the motor 2 is connected with the air outlet 111, so that air flow entering the motor 2 is exhausted from the air outlet 111, the motor 2 is provided with an air outlet passage connected with the air outlet 111, the air outlet passage penetrates through the air inlet passage and then is communicated with the air outlet 111, the air outlet passage and the air inlet passage are not interfered with each other, and finally the air flow is exhausted from the air outlet 111 arranged on the side wall of the cleaning device body 1.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

Claims (10)

1. A hand-held cleaning device, comprising:

a cleaning device body (1) provided with a dust suction port (311) at the front end thereof;

a motor (2) for forming an air flow introduced into the cleaning device body (1) from the dust suction port (311); and

a filter element structure body (5) located on a flow path of the gas flow;

wherein the motor (2) is arranged in the cleaning device body (1) and an air inlet (21) on the motor (2) is arranged towards the rear end of the cleaning device body (1); meanwhile, the filter element structure body (5) is detachably connected to the rear end of the cleaning device body (1).

2. The hand-held cleaning device according to claim 1, wherein the filter cartridge arrangement body (5) comprises an outer housing (513) and a filter screen (53) arranged within the outer housing (513);

the cleaning device body (1) is connected with the outer shell (513) to form the main structure of the cleaning device, and a complete airflow flow channel is formed in the cleaning device body;

when the motor (2) works, airflow flows in a channel formed by the cleaning device body (1) and the outer shell (513), wherein the airflow passes through the filter screen (53) and finally enters the motor (2).

3. A hand-held cleaning device according to claim 2, further comprising a handle (4), the handle (4) being mounted on the cleaning device body (1).

4. A hand-held cleaning device according to claim 3, characterised in that the handle (4) is mounted on the rear end of the cleaning device body (1);

the outer shell (513) penetrates through the front and back to form a hollow portion in the outer shell, and the handle (4) penetrates through the hollow portion, so that the filter element structure body (5) is sleeved on the cleaning device body (1).

5. A hand-held cleaning device according to claim 4, characterised in that the handle (4) comprises an access end (42) which protrudes into the main structure of the cleaning device and a grip portion (41);

the access end (42) is hollow, and when the handle (4) is accessed into the cleaning device body (1), the access end (42) and the motor (2) form a second air flow channel;

an air hole (421) is formed in the side wall, corresponding to the filter element structure body (5), of the access end (42), and air flow flows into the second air flow channel through the air hole (421) from a channel formed by the cleaning device body (1) and the outer shell (513).

6. The hand-held cleaning device according to claim 2, wherein the filter element structure body (5) comprises a first mounting frame (512) and a second mounting frame (521), through holes are formed in the circumferential direction of the outer walls of the first mounting frame (512) and the second mounting frame (521), and the filter screen (53) is coated on the through holes;

the first mounting frame (512) is arranged in the outer shell (513), so that an accommodating cavity for accommodating the filter screen (53) is formed between the inner wall of the outer shell (513) and the first mounting frame (512);

the second mounting bracket (521) is mounted on the first mounting bracket (512) such that the second mounting bracket (521) extends into the cleaning device body (1).

7. The hand-held cleaning device according to any one of claims 1 to 6, wherein a dust suction member (3) is built into the cleaning device body (1), and an inlet end (31) of the dust suction member (3) is provided in the cleaning device body (1) to form the dust suction port (311).

8. The hand-held cleaning device according to claim 7, wherein the inlet end (31) is externally coated with a filter part (32), a hollow partition is formed between the inlet end (31) and the filter part (32), and the partition is communicated with a channel for sucking air flow of the motor (2);

an air outlet (321) is arranged on the inlet end (31), and the air outlet (321) guides the air sucked by the dust suction port (311) into the cleaning device body (1);

the air entering the cleaning device body (1) penetrates the filter part (32) from the outside of the filter part (32) into the partition.

9. The hand-held cleaning device according to claim 8, characterized in that the end of the filter part (32) close to the motor (2) extends outwards to form a mouthpiece end (33), the mouthpiece end (33) forming a hollow receiving chamber (331) inside, the receiving chamber (331) being adapted to receive the motor (2).

10. The hand-held cleaning device according to any one of claims 1 to 6, wherein an air outlet (111) is provided on a side wall of the cleaning device body (1), and an air exhaust part on the motor (2) is connected with the air outlet (111) so that the air flow entering the motor (2) is exhausted from the air outlet (111).

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