CN219613762U - Dust suction device - Google Patents

Abstract

The utility model relates to the technical field of cleaning devices, in particular to a dust collection device. The dust collection device comprises a dust collection base station and a dust collector, a first accommodating cavity is formed in the dust collection base station, a trigger piece is arranged in the first accommodating cavity, a dust collecting cavity communicated with the first accommodating cavity is formed in the dust collection base station, the dust collector comprises a dust cup and a dust collector body, the dust cup can be downwards inserted into the first accommodating cavity, the dust cup comprises a dust cup body and a dust cup cover which are connected in a rotating mode, the dust cup body is connected with the dust collector body, the dust cup cover is provided with a closing position and an opening position, when the dust cup cover is located at the closing position, the dust cup cover seals an opening of the dust cup body, when the dust cup cover is located at the opening position, the trigger piece triggers the dust cup cover to switch from the closing position to the opening position when the dust cup is inserted into the first accommodating cavity, so that dust in the dust cup body is released into the dust collecting cavity, the dust cup cover does not need to be manually opened, and dust in the dust cup body is more clean and sanitary.

Description

Dust suction device

Technical Field

The utility model relates to the technical field of cleaning devices, in particular to a dust collection device.

Background

The dust collector is a common device for cleaning dust on the surface of an object, and picks up the dust through a suction function, and stores the dust in a dust cup after dust-gas separation. When the dust cup is full of dust, a user needs to take down the dust cup on the dust collector, and then manually open the dust cup cover on the dust cup to remove the dust in the dust cup.

Therefore, there is a need for a dust suction device to solve the above problems.

Disclosure of Invention

The utility model aims to provide a dust collection device which does not need to manually open a dust cup cover to pour dust in a dust cup body, is clean and sanitary in operation and convenient in cleaning operation.

To achieve the purpose, the utility model adopts the following technical scheme:

a dust extraction device comprising:

the dust collection base station is provided with a first accommodating cavity, a trigger piece is arranged in the first accommodating cavity, and a dust collection cavity communicated with the first accommodating cavity is arranged in the dust collection base station;

the dust collector comprises a dust cup and a dust collector body, the dust cup can be downwards inserted into the first accommodating cavity, the dust cup comprises a dust cup body and a dust cup cover which are connected in a rotating mode, the dust cup body is connected with the dust collector body, the dust cup cover is provided with a closed position and an open position, when the dust cup cover is located in the closed position, the dust cup cover seals the opening of the dust cup body, and when the dust cup cover is located in the open position, the dust cup cover opens the opening of the dust cup body;

when the dust cup is inserted into the first accommodating cavity, the trigger piece triggers the dust cup cover to be switched from the closed position to the open position so as to release dust in the dust cup body into the dust collecting cavity.

Preferably, the vacuum cleaner further comprises:

the clamping assembly is used for blocking the opening of the dust cup body through the dust cup cover, and the triggering piece can trigger the clamping assembly to unlock so that the dust cup cover can be switched to the opening position.

Preferably, the engagement assembly includes:

the first clamping part is fixedly connected to the dust cup cover;

the second clamping part is pivoted with the dust cup body or the dust collector body; and

the second clamping part is fixedly clamped with the first clamping part under the action of the resetting part, and the triggering part can drive the second clamping part to be separated from and fixed with the first clamping part.

Preferably, the dust collection device further comprises:

a suction generator in communication with the dust collection cavity, the suction generator configured to draw dust within the dirt cup body into the dust collection cavity.

Preferably, the dust collection device further comprises:

a dust-full detector in communication with the suction generator, the dust-full detector configured to detect whether an amount of dust within the dust collection cavity reaches a preset value.

Preferably, the dust-full detector includes:

the sensing assembly comprises a gas chamber, a piston and a push rod, the piston is positioned in the gas chamber, one end of the push rod is fixedly connected with the piston, the other end of the push rod stretches into the dust collection cavity, and dust in the dust collection cavity can drive the push rod to push the piston to move towards the gas chamber; and

and a gas pressure detection assembly, communicatively connected to the suction generator, configured to detect a value of gas pressure within the gas chamber.

As a preferable scheme, a filter cover is arranged in the first accommodating cavity, an air inlet is formed in the cavity wall of the first accommodating cavity, an air outlet communicated with the dust collecting cavity is also formed in the dust collecting base station, and a dust collection opening communicated with the dust cup body is formed in the dust collector body;

when the dust cup is inserted into the first accommodating cavity, the filter cover is covered on the dust collection opening, and the dust collection opening is communicated with the air inlet.

Preferably, a sealing element is arranged in the first accommodating cavity, the sealing element is positioned at the bottom of the air inlet, and the sealing element is clamped between the cavity wall of the first accommodating cavity and the peripheral wall of the dust cup.

As the preferred scheme, still offer the second on the dust collection basic station and hold the chamber, the second holds the intracavity and is provided with first terminal that charges, be provided with the power seat on the dust catcher body, be provided with the second terminal that charges on the power seat, work as the dirt cup inserts in the first chamber that holds, the power seat inserts the second holds the intracavity just the second terminal that charges with first terminal that charges is pegged graft.

As a preferable scheme, the dust collector further comprises a ground brush assembly and a connecting rod, wherein the dust collector body is detachably fixed on the connecting rod, the ground brush assembly is arranged at the end part of the connecting rod, and the ground brush assembly is communicated with the dust cup through the connecting rod;

the dust collecting base station is further provided with a clamping part and/or a bearing part, the clamping part is used for clamping the connecting rod, and the bearing part is used for bearing and accommodating the floor brush assembly.

The utility model has the beneficial effects that:

the utility model provides a dust collection device which comprises a dust collection base station and a dust collector, wherein a first accommodating cavity is formed in the dust collection base station, a triggering piece is arranged in the first accommodating cavity, a dust collecting cavity communicated with the first accommodating cavity is formed in the dust collection base station, the dust collector comprises a dust cup and a dust collector body, the dust cup can be downwards inserted into the first accommodating cavity, the dust cup comprises a dust cup body and a dust cup cover which are rotatably connected, the dust cup body is connected with the dust collector body, the dust cup cover is provided with a closed position and an open position, when the dust cup cover is located at the closed position, the dust cup cover seals an opening of the dust cup body, when the dust cup cover is located at the open position, the triggering piece triggers the dust cup cover to switch from the closed position to the open position so as to release dust in the dust cup body into the dust collecting cavity. Above-mentioned dust extraction's structural design, when the dust in the needs clearance dirt cup body, with the dirt cup insert first hold the chamber in can, need not the manual work and open the dirt bowl cover and go to empty the dust in the dirt cup body, the simple operation is also cleaner and more sanitary.

Drawings

Fig. 1 is a schematic structural view of a dust suction device according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a dust cup and cleaner body according to an embodiment of the present utility model inserted into a dust collection base station;

FIG. 3 is a second cross-sectional view of a dust cup and cleaner body according to an embodiment of the present utility model inserted into a dust collection base station;

fig. 4 is a schematic structural diagram of a dust collecting base station according to an embodiment of the present utility model;

FIG. 5 is a partial enlarged view at D in FIG. 4;

FIG. 6 is a schematic view of the dust cup assembled on the cleaner body when the dust cup cover is in the closed position according to the embodiment of the utility model;

FIG. 7 is an enlarged view of a portion of FIG. 3 at E;

FIG. 8 is a schematic diagram of a sensing assembly according to an embodiment of the present utility model;

FIG. 9 is a cross-sectional view of the dirt cup assembly on the cleaner body with the dirt cup lid in a closed position, in accordance with an embodiment of the present utility model;

fig. 10 is a schematic structural view of a vacuum cleaner according to an embodiment of the present utility model;

FIG. 11 is a schematic view of the structure of the dust cup assembled on the cleaner body when the dust cup cover is in the open position according to the embodiment of the utility model;

fig. 12 is a schematic structural view of a cleaner body provided with a fastening assembly according to an embodiment of the present utility model;

FIG. 13 is an enlarged view of a portion of FIG. 12 at C;

fig. 14 is a schematic structural view of a cleaner body provided with two fastening assemblies according to an embodiment of the present utility model;

FIG. 15 is an enlarged view of a portion of FIG. 11 at A;

fig. 16 is a partial enlarged view at B in fig. 11.

In the figure:

1. a dust collection base station; 11. a first accommodation chamber; 111. a trigger; 112. a filter cover; 113. an air inlet; 114. a seal; 12. a dust collection chamber; 13. a second accommodation chamber; 131. a first charging terminal; 14. a clamping part; 15. a support part; 16. an air outlet; 17. a movable door; 18. a circuit board;

2. a dust collector; 21. a dust cup; 211. a dust cup body; 212. a dust cup cover; 22. a cleaner body; 221. a power supply base; 2211. a second charging terminal; 222. a dust collection pipe; 223. a dust collection fan; 224. a first channel; 225. a second channel; 23. a clamping assembly; 231. a first clamping part; 232. a second clamping part; 2321. a chuck; 2322. a pushing head; 233. a reset member; 234. a pin joint shaft; 24. a floor brush assembly; 25. a connecting rod;

3. a suction generator;

4. a dust-full detector; 41. a sensing component; 411. a gas chamber; 4111. a connection port; 412. a piston; 413. a push rod.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 5, the present embodiment provides a dust collection device comprising a dust collection base station 1 and a dust collector 2, wherein the dust collection base station 1 is provided with a first accommodating cavity 11, the first accommodating cavity 11 is provided with a trigger piece 111 therein, the dust collection base station 1 is internally provided with a dust collecting cavity 12 communicated with the first accommodating cavity 11, the dust collector 2 comprises a dust cup 21 and a dust collector body 22, the dust cup 21 can be downwardly inserted into the first accommodating cavity 11, the dust cup 21 comprises a dust cup body 211 and a dust cup cover 212 which are rotatably connected, the dust cup body 211 is connected with the dust collector body 22, the dust cup cover 212 has a closed position and an open position, when the dust cup cover 212 is located in the closed position, the dust cup cover 212 seals the opening of the dust cup body 211 so that the dust cup body 211 forms a accommodating space for accommodating dust, when the dust cup cover 212 is located in the open position, when the dust cup 21 is inserted into the first accommodating cavity 11, the trigger piece 111 triggers the dust cup 212 to switch from the closed position to the open position so as to release the dust cup body 212 into the dust collecting cavity 12. In this embodiment, when dust in the dust cup body 211 needs to be cleaned, the dust cup 21 is inserted into the first accommodating cavity 11, and the dust cup cover 212 is not required to be opened manually to pour the dust in the dust cup body 211, so that the dust collecting device is convenient to operate and clean and sanitary.

In order to improve the cleaning effect of dust in the dust cup body 211, as shown in fig. 2 and 3, the dust suction device further comprises a suction generator 3, the suction generator 3 is arranged in the dust collecting base station 1, the suction generator 3 is communicated with the dust collecting cavity 12, and the suction generator 3 is used for sucking the dust in the dust cup body 211 into the dust collecting cavity 12 after passing through the first accommodating cavity 11. Specifically, the suction generator 3 may be a negative pressure fan, which has a simple structure and a good suction effect.

Specifically, as shown in fig. 1 to 6, the air inlet 113 is formed on the wall of the first accommodating chamber 11, the air outlet 16 is also formed on the dust collecting base station 1, the dust collector body 22 is provided with a dust collection opening communicated with the dust cup body 211, the dust collection opening is communicated with the inside of the dust cup body 211 through a dust collection pipe 222 which is inserted into the dust collector body, the inlet of the suction generator 3 is communicated with the dust collecting chamber 12, the outlet of the suction generator 3 is communicated with the air outlet 16, and when the dust cup 21 is inserted into the first accommodating chamber 11, the dust collection pipe 222 is communicated with the air inlet 113. When the user needs to clean the dust in the dust cup body 211, the user inserts the dust cup 21 into the first accommodating cavity 11 and starts the suction generator 3, at this time, under the suction action of the suction generator 3, negative pressure is formed in the dust collecting cavity 12, external air flows through the air inlet 113, the dust collection opening, the dust collection pipe 222, the dust cup body 211, the first accommodating cavity 11, the dust collecting cavity 12 and the suction generator 3 in sequence as shown by the arrow direction in fig. 3, and finally is discharged through the air outlet 16, and in the process of flowing the air, the dust in the dust cup body 211 and the dust in the first accommodating cavity 11 is blown into the dust collecting cavity 12, so that the dust in the dust cup body 211 can be cleaned without the user contacting the dust cup 21, and the cleaning effect on the dust in the dust cup body 211 is ensured. When the dust cup 21 is inserted into the first accommodating chamber 11, a part of the cleaner body 22 is also accommodated in the first accommodating chamber 11.

In order to prevent large-particle impurities or foreign substances in the air from being erroneously sucked into the dust cup body 211 by the suction action of the suction generator 3, as shown in fig. 3, 5 and 7, the filter cover 112 is provided in the first accommodation chamber 11, and the filter cover 112 is covered on the dust suction port when the dust cup 21 is inserted into the first accommodation chamber 11. In addition, through setting up filter mantle 112, also provide the effect of location for the grafting of dirt cup 21 and part dust catcher body 22 in first accommodation chamber 11, guaranteed that dirt cup 21 and part dust catcher body 22 peg graft ground more firmly in first accommodation chamber 11, also guaranteed the accuracy of grafting position.

Preferably, in the present embodiment, the filter cover 112 has a prismatic table shape or a circular truncated cone shape, the interior of the prismatic table or the circular truncated cone has a hollow structure, and a plurality of filter holes are spaced apart on the outer peripheral wall of the prismatic table or the circular truncated cone so as to allow gas to pass through.

Further, as shown in fig. 3 and 4, the air intake 113 is located at an upper portion of the cavity wall of the first accommodation cavity 11, and the inside of the first accommodation cavity 11 is provided with a seal member 114, the seal member 114 is located at a bottom portion of the air intake 113, and the seal member 114 is sandwiched between the cavity wall of the first accommodation cavity 11 and the outer peripheral wall of the dust cup 21. Through setting up the air intake 113 in the upper portion of first chamber 11 chamber wall that holds for the air intake 113 is close to the dust absorption mouth setting of dust catcher body 22 more, has significantly reduced the distance between air intake 113 and the dust absorption mouth, has also avoided air intake 113 to expose, makes more pleasing to the eye. In addition, through setting up sealing member 114, the effect of sealing is played to the part that is located the bottom in the first chamber that holds 11, guarantees that external air can only loop through air intake 113, dust absorption mouth and dust absorption pipe 222 and enter into in the dirt cup body 211, has avoided external air to directly enter into in the dirt collection chamber 12 through first chamber 11 that holds, has effectively guaranteed the suction effect of suction generator 3 to the inside dirt cup body 211. In this embodiment, the sealing member 114 is a rubber ring, and the rubber ring is adapted to the outer contour of the portion of the cleaner 2 inserted into the first accommodating chamber 11. It should be noted that, in other embodiments, the sealing member 114 may be made of other elastic materials.

In addition, as shown in fig. 2, the dust collection device further comprises a dust full detector 4, the dust full detector 4 is arranged in the dust collection base station 1, the dust full detector 4 is in communication connection with the suction generator 3, and the dust full detector 4 is used for detecting whether the dust amount in the dust collection cavity 12 reaches a preset value. When the dust-full detector 4 detects that the dust amount in the dust collection chamber 12 reaches a preset value, the suction generator 3 can stop operating according to the dust-full signal detected by the dust-full detector 4.

Specifically, in this embodiment, the dust collection device further includes a controller (not shown in the drawings) disposed in the dust collection base station 1, and the controller is electrically connected to the dust-full detector 4 and the suction generator 3, respectively, so as to realize communication connection between the dust-full detector 4 and the suction generator 3. The controller is used for receiving a dust full signal sent by the dust full detector 4, and controlling the suction generator 3 to stop working according to the received dust full signal.

Referring to fig. 8, a specific structure of the dust full detector 4 is described, as shown in fig. 8, the dust full detector 4 includes a sensing component 41 and an air pressure detecting component (not shown in the drawing), where the air pressure detecting component is electrically connected with the controller, the sensing component 41 includes a gas chamber 411, a piston 412 and a push rod 413, the piston 412 is located in the gas chamber 411, one end of the push rod 413 is fixedly connected with the piston 412, the other end of the push rod 413 extends into the dust collecting chamber 12, dust in the dust collecting chamber 12 can drive the push rod 413 to push the piston 412 to move into the gas chamber 411, and the air pressure detecting component is used for detecting an air pressure value in the gas chamber 411, so as to determine whether the dust in the dust collecting chamber 12 reaches a preset value according to the air pressure value in the gas chamber 411 detected by the air pressure detecting component.

Specifically, a connection port 4111 is disposed on the gas chamber 411, the connection port 4111 is communicated with the air pressure detection component, along with the increase of dust deposited in the dust collection chamber 12, the dust can push the push rod 413 to move, and then the push rod 413 pushes the piston 412 to move towards the gas chamber 411, so that the air pressure in the gas chamber 411 changes, when the air pressure detection component detects that the air pressure in the gas chamber 411 reaches a preset value, the dust amount in the dust collection chamber 12 reaches the preset value, and at the moment, the air pressure detection component sends a dust full signal to the controller. Specifically, the air pressure detection component is an air pressure sensor. It should be noted that, in other embodiments, the dust-full detector 4 may also be a detection device that is already commercially available and used. In this embodiment, the air pressure detecting assembly and the controller are both disposed on the circuit board 18 inside the dust collecting base station 1.

Preferably, as shown in fig. 1 and 4, the dust collecting base station 1 is provided with a movable door 17, the movable door 17 is used for blocking or opening the dust collecting cavity 12, and a disposable dust collecting bag is installed inside the dust collecting cavity 12, so that dust in the dust cup body 211 is conveniently directly collected into the disposable dust collecting bag. When the dust collection cavity 12 is full of dust, the movable door 17 is opened to directly take out the disposable dust collection bag in the dust collection cavity 12, so that the dust collection cavity 12 is more convenient to clean. When the cleaning work of dust in the dust collecting cavity 12 is completed, a new disposable dust collecting bag is installed in the dust collecting cavity 12 again, and the movable door 17 is closed, so that the dust collecting cavity 12 is plugged.

Preferably, as shown in fig. 4 and 6, the dust collecting base station 1 is further provided with a second accommodating cavity 13, a first charging terminal 131 is disposed in the second accommodating cavity 13, the dust collector body 22 is provided with a power supply base 221, the power supply base 221 is provided with a second charging terminal 2211, when the dust cup 21 is inserted into the first accommodating cavity 11, the power supply base 221 on the dust collector body 22 is inserted into the second accommodating cavity 13, and the second charging terminal 2211 is plugged into the first charging terminal 131. When the user finishes cleaning and inserts the dust cup 21 into the first accommodating cavity 11 for cleaning, the power seat 221 on the dust collector body 22 is just inserted into the second accommodating cavity 13 to charge the dust collector body 22, so that the user can use the dust collector 2 next time conveniently.

As shown in fig. 9, the inside of the cleaner body 22 is further provided with a dust suction fan 223, an inlet of the dust suction fan 223 is communicated with the inside of the dust cup body 211, an outlet of the dust suction fan 223 is communicated with an air outlet on the cleaner body 22, when the cleaner 2 is taken down from the dust collection base station 1 to perform dust suction operation, the dust suction fan 223 is started at this time, external dust and air enter the inside of the dust cup body 211 through the dust suction opening and the dust suction pipe 222 in sequence as shown by the arrow direction in fig. 9 under the action of the suction force of the dust suction fan 223, and then the air separated from the dust is discharged from the air outlet after passing through the dust suction fan 223.

In addition, as shown in fig. 10, the cleaner 2 further includes a brush assembly 24 and a connecting rod 25, wherein the connecting rod 25 is hollow, the cleaner body 22 is detachably fixed on the connecting rod 25, the brush assembly 24 is disposed at an end of the connecting rod 25, and the brush assembly 24 is communicated with the dust suction pipe 222 through the connecting rod 25. When the dust suction fan 223 is started, dust on the ground can flow through the ground brush assembly 24, the connecting rod 25, the dust suction opening and the dust suction pipe 222 in sequence, and enter the dust cup body 211.

Preferably, as shown in fig. 1 and fig. 4, the dust collecting base station 1 is further provided with a clamping portion 14 and a supporting portion 15, wherein the clamping portion 14 is used for clamping the connecting rod 25, and the supporting portion 15 is used for supporting and accommodating the ground brush assembly 24. When the user finishes the cleaning operation on the floor, the dust collector body 22 with the dust cup 21 can be removed from the connecting rod 25, and the dust cup 21 and part of the dust collector body 22 are inserted into the first accommodating cavity 11 to clean the dust, and at this time, the power supply base 221 on the dust collector body 22 is just inserted into the second accommodating cavity 13 to facilitate the charging operation of the dust collector body 22. Then, the connecting rod 25 can be clamped on the clamping part 14, and the floor brush assembly 24 is placed on the bearing part 15, so that the dust collection base station 1 can accommodate the connecting rod 25 and the floor brush assembly 24. The structural design of the dust collection base station 1 is convenient for the dust collection base station 1 to accommodate all parts on the dust collector 2, so that the whole dust collection device is more convenient to accommodate, and a user can use the dust collector 2 next time. In other embodiments, the holding portion 14 or the supporting portion 15 may be provided only in the dust collection base station 1.

In this embodiment, as shown in fig. 11, the dust collector 2 further includes a locking assembly 23, the dust cup cover 212 seals the opening of the dust cup body 211 through the locking assembly 23, and the trigger 111 can trigger the locking assembly 23 to unlock, so that the dust cup cover 212 is switched to the open position.

Specifically, as shown in fig. 11 to 13, the locking assembly 23 includes a first locking portion 231, a second locking portion 232, and a reset member 233, wherein the first locking portion 231 is fixedly connected to the dust cup cover 212, the second locking portion 232 is pivotally connected to the dust cup body 211 or the dust collector body 22 through a pivot shaft 234, the second locking portion 232 is locked and fixed to the first locking portion 231 under the action of the reset member 233, and the trigger member 111 can drive the second locking portion 232 to be separated from and fixed to the first locking portion 231. In this embodiment, the second clamping portion 232 is pivoted to the dust cup body 211 through the pivot shaft 234, the reset member 233 includes a connecting column and a torsion spring, a portion of the connecting column is accommodated in a limiting groove formed in the dust cup body 211, the torsion spring is disposed between the connecting column and the pivot shaft 234, and the triggering member 111 may be a push rod. When the dust collector 2 works normally, the second clamping part 232 is clamped and fixed with the first clamping part 231 under the action of the elastic traction force of the torsion spring, so that the opening of the dust cup body 211 is blocked by the dust cup cover 212. When the dust cup 21 is inserted into the first accommodating cavity 11, the ejector rod pushes the second clamping portion 232 to rotate for a certain angle relative to the pivot shaft 234, at this time, the torsion spring is stressed to be compressed for a certain extent, so that the second clamping portion 232 is separated from the clamping of the first clamping portion 231, and at this time, the dust cup cover 212 is turned downwards under the action of gravity to open the opening of the dust cup body 211.

In addition, as shown in fig. 13, a chuck 2321 and a pushing head 2322 are disposed on the second clamping portion 232, the chuck 2321 is used for being clamped and fixed with the first clamping portion 231, the pushing head 2322 is used for being abutted with the ejector rod, when the ejector rod pushes the pushing head 2322, the second clamping portion 232 can be made to rotate, and the chuck 2321 is separated from the clamping connection with the first clamping portion 231.

Preferably, as shown in fig. 14 to 16, two clamping assemblies 23 may be disposed at intervals, that is, two first clamping portions 231 are disposed at intervals on the dust cup cover 212, two second clamping portions 232 are disposed at intervals on the pipe wall of the dust suction pipe 222 inserted into the dust collector body 22, the two first clamping portions 231 and the two second clamping portions 232 are disposed in one-to-one correspondence, a first channel 224 is formed between the second clamping portions 232 and the dust collector body 22, and a second channel 225 is formed between the two second clamping portions 232. When the dust cup 21 is inserted into the first accommodating cavity 11, the ejector rod applies an pushing force to the pushing heads 2322 on the two second clamping parts 232 through the second channel 225, so that the two chucks 2321 rotate simultaneously, and release of the two first clamping parts 231 is realized simultaneously. When the dust cup cover 212 is switched to the closed position, the first clamping part 231 on the dust cup cover 212 passes through the first channel 224 on the corresponding side to be clamped and fixed with the corresponding clamping head 2321. By providing two snap assemblies 23, the stability and reliability of the dust cup cover 212 in the closed position is ensured. In addition, the unlocking of the two clamping assemblies 23 can be simultaneously realized through only one ejector rod, and the structure is simpler. In order to save the cost, only one engagement member 23 may be provided as shown in fig. 12.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A dust extraction device, comprising:

the dust collection device comprises a dust collection base station (1), wherein a first accommodating cavity (11) is formed in the dust collection base station (1), a trigger piece (111) is arranged in the first accommodating cavity (11), and a dust collection cavity (12) communicated with the first accommodating cavity (11) is arranged in the dust collection base station (1);

a vacuum cleaner (2), the vacuum cleaner (2) comprising a dust cup (21) and a vacuum cleaner body (22), the dust cup (21) being insertable downwardly into the first receiving chamber (11), the dust cup (21) comprising a rotatably connected dust cup body (211) and a dust cup cover (212), the dust cup body (211) being connected to the vacuum cleaner body (22), the dust cup cover (212) having a closed position and an open position, the dust cup cover (212) sealing off an opening of the dust cup body (211) when the dust cup cover (212) is in the closed position, the dust cup cover (212) opening the opening of the dust cup body (211) when the dust cup cover (212) is in the open position;

when the dust cup (21) is inserted into the first accommodating cavity (11), the triggering piece (111) triggers the dust cup cover (212) to be switched from the closed position to the open position so as to release dust in the dust cup body (211) into the dust collecting cavity (12).

2. A suction device according to claim 1, wherein the cleaner (2) further comprises:

the dust cup cover (212) is used for blocking the opening of the dust cup body (211) through the clamping assembly (23), and the triggering piece (111) can trigger the clamping assembly (23) to be unlocked so that the dust cup cover (212) is switched to the opening position.

3. A suction device according to claim 2, wherein the engagement assembly (23) comprises:

a first clamping part (231) fixedly connected to the dust cup cover (212);

a second clamping part (232) pivoted with the dust cup body (211) or the dust collector body (22); and

the second clamping part (232) is fixedly clamped with the first clamping part (231) under the action of the resetting part (233), and the triggering part (111) can drive the second clamping part (232) to be separated from and fixed with the first clamping part (231).

4. A dust extraction device according to any one of claims 1 to 3, further comprising:

-a suction generator (3), the suction generator (3) being in communication with the dust collection chamber (12), the suction generator (3) being configured to suck dust in the dust cup body (211) into the dust collection chamber (12).

5. The dust extraction device of claim 4, further comprising:

-a dust-full detector (4), the dust-full detector (4) being in communication with the suction generator (3), the dust-full detector (4) being configured to detect whether the amount of dust in the dust collection chamber (12) has reached a preset value.

6. A dust extraction device according to claim 5, wherein the dust-full detector (4) comprises:

the sensing assembly (41), the sensing assembly (41) comprises a gas chamber (411), a piston (412) and a push rod (413), the piston (412) is located in the gas chamber (411), one end of the push rod (413) is fixedly connected with the piston (412), the other end of the push rod stretches into the dust collection chamber (12), and dust in the dust collection chamber (12) can drive the push rod (413) to push the piston (412) to move into the gas chamber (411); and

a gas pressure detection assembly, in communication with the suction generator (3), configured to detect a gas pressure value within the gas chamber (411).

7. The dust collection device according to claim 4, wherein a filter cover (112) is arranged in the first accommodating cavity (11), an air inlet (113) is formed in a cavity wall of the first accommodating cavity (11), an air outlet (16) communicated with the dust collection cavity (12) is formed in the dust collection base station (1), and a dust collection opening communicated with the dust cup body (211) is formed in the dust collector body (22);

when the dust cup (21) is inserted into the first accommodating cavity (11), the filter cover (112) covers the dust collection opening, and the dust collection opening is communicated with the air inlet (113).

8. A dust extraction device according to claim 7, characterized in that the interior of the first receiving chamber (11) is provided with a seal (114), the seal (114) being located at the bottom of the air intake (113), and the seal (114) being sandwiched between the chamber wall of the first receiving chamber (11) and the peripheral wall of the dust cup (21).

9. A dust collection device according to any one of claims 1 to 3, wherein the dust collection base station (1) is further provided with a second accommodating cavity (13), a first charging terminal (131) is arranged in the second accommodating cavity (13), a power supply base (221) is arranged on the dust collector body (22), a second charging terminal (2211) is arranged on the power supply base (221), and when the dust cup (21) is inserted into the first accommodating cavity (11), the power supply base (221) is inserted into the second accommodating cavity (13) and the second charging terminal (2211) is spliced with the first charging terminal (131).

10. A dust extraction device according to any one of claims 1-3, wherein the dust collector (2) further comprises a floor brush assembly (24) and a connecting rod (25), the dust collector body (22) being detachably fixed to the connecting rod (25), the floor brush assembly (24) being arranged at an end of the connecting rod (25), the floor brush assembly (24) being in communication with the dust cup (21) via the connecting rod (25);

still be equipped with on dust collection basic station (1) and block portion (14) and/or bearing portion (15), block portion (14) are used for block and hold connecting rod (25), bearing portion (15) are used for the bearing to hold ground brush subassembly (24).