CN219629537U

CN219629537U - Fan module, dust collecting device and base station

Info

Publication number: CN219629537U
Application number: CN202320218844.8U
Authority: CN
Inventors: 夏昌太; 胡肖
Original assignee: Zhejiang Mile Technology Co ltd
Current assignee: Zhejiang Mile Technology Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-09-05
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a fan module, a dust collecting device and a base station, wherein the fan module comprises a fan body and an air duct opening and closing mechanism, the air duct opening and closing mechanism comprises a blade group formed by a plurality of blades which are circumferentially arrayed, and the air duct opening and closing mechanism also comprises a driving mechanism; the driving mechanism can enable the blade group to be switched between a closed state and an open state; in the closed state, all the blades are spliced to form a closed wind shield; in the open state, all sharp corners are scattered so that a vent hole is formed in the middle of the blade group. In the utility model, the blade group can be spliced into a wind shield in a closed state, and a vent hole with a center free of shielding is formed in an open state; through setting up first disk body and the second disk body that have the guide slot to built two sets of guide relation of guide slot on blade and the two kinds of disk bodies, make first disk body rotate less angle relative to the second disk body and can realize the switching of blade group state, in addition, this wind channel closing mechanism compact structure.

Description

Fan module, dust collecting device and base station

Technical Field

The utility model relates to the technical field of dust collection equipment matched with a cleaning robot, in particular to a fan module, a dust collection device and a base station.

Background

Along with the maturity of map navigation technique, cleaning robot's intelligent degree improves by a wide margin, and cleaning robot has walked into everywhere, has greatly reduced user's frequency and intensity of cleaning the health, and user experience is fine. Because the dust box of the cleaning robot has smaller capacity, users need to pour out the dust in the dust box frequently, therefore, robot products with the dust collecting function of the base station are currently on the market, and the products can suck the dust in the dust box of the cleaning robot to the dust collecting bag by arranging the dust collecting bag and the dust sucking motor on the base station, so that the frequency of pouring the dust by the users can be greatly reduced.

In the prior art, patent CN115122869a provides a ventilation fan, the top of supporting mechanism 2 is provided with protection machanism 3, protection machanism 3 includes a plurality of rotating plates 33, rotating plates 33 can rotate ninety degrees and open in order to open the wind channel, in this kind of structure, rotating plates 33 open the back, it still places in the wind channel, can produce the shelter from the wind channel to a certain extent, influence the air current and pass, and rotating plates 33 rotate the back and need occupy the space of thickness direction, increase mechanism volume.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the fan module, the dust collecting device and the base station, which have simple and compact structure and have no influence on dust collecting operation by the blades in an opened state.

The technical scheme is as follows: in order to achieve the above object, the fan module of the present utility model includes a fan body and an air duct opening and closing mechanism; the fan body is provided with an air inlet and an air outlet, and the air channel opening and closing mechanism is arranged at the air inlet; the air duct opening and closing mechanism comprises a blade group formed by a plurality of blades which are arrayed in a circumferential manner, and also comprises a driving mechanism;

the driving mechanism can enable the blade group to be switched between a closed state and an open state; in a closed state, all the blades are spliced to form a closed wind shield, and all the blades are not overlapped with each other, so that the air inlet can be blocked; in the open state, all the blades are scattered to enable the middle of the blade group to form a vent hole, at the moment, air flow can pass through the vent hole, and dust collection work can be normally carried out.

Further, all the blades are identical in shape and have sharp corners; in the closed state, the sharp corners of all the blades are abutted against each other at the center of the array of the blade group, so that the centers of all the blades are completely closed after being spliced.

Further, in the switching state process, each blade moves along the splicing line of the adjacent blade, so that the vent hole formed in the middle of the blade group gradually becomes larger in the switching state, the blades around the vent hole are still in the splicing state, namely, the blades form a closed frame around the vent hole, and the opening of the vent hole can be changed by changing the position of the blade, so that the adjustment of more gears can be realized.

The blades are made of plastic materials, preferably PPS/PBT plastic materials, and have excellent heat resistance and heat insulation, so that heat loss generated by the operation of a fan is prevented from being transmitted to a dust bag part, bacterial reproduction caused by a damp-heat environment caused by the dust bag is avoided, and the environment of bad odor formed by ammonia, sulphonates, sulfides, nitrides and the like released by the decomposition and fermentation of organic matters is blocked.

Further, the driving mechanism comprises a first disc body and a second disc body which can rotate relatively;

guide grooves are formed in the first disc body and the second disc body, and the guide grooves are respectively a first guide groove and a second guide groove;

the blade is provided with a first guide part and a second guide part which are respectively arranged in the first guide groove and the second guide groove, and the two guide parts can respectively move along the corresponding guide grooves.

Further, the first guide groove is a continuous polygonal groove, and the first guide part can only slide relative to the first guide groove and cannot rotate relative to the first guide groove; the second guide groove is a strip-shaped groove extending away from the center of the blade group, and the second guide part can slide and rotate relative to the second guide groove.

By adopting the structure, due to the arrangement of the two groups of matching structures of the guide parts and the guide grooves, and the two groups of matching forms and the trend of the two guide grooves are limited, when the first disc body rotates relative to the second disc body, the two groups of matching structures can simultaneously move, each blade moves along the split line of the adjacent blade, and the blade group can be switched to a complete opening state from a closing state or from the complete opening state to the closing state by relatively rotating small angles between the first disc body and the second disc body.

Further, the driving mechanism further comprises a driving motor and a driving gear; one of the first disk body and the second disk body is provided with a gear part, and the gear part is meshed with the driving gear. In the utility model, the gear part is arranged on the first disc body, namely the second disc body is fixedly arranged, and the first disc body can rotate relative to the second disc body.

Further, the air duct opening and closing mechanism further comprises a dust cover, when dust collection work is performed, a dust screen is arranged in the middle of the dust cover, cover bodies for covering the first disc body and the second disc body are arranged around the dust screen, and air flows enter the vent holes again through the dust screen; specifically, a first clamping part is formed on the dust cover, and a second clamping part matched with the first clamping part for use is formed on the second disc body. In the utility model, the first clamping part is a buckle, and the second clamping part is a clamping hole.

The dust collecting device comprises a dust collecting unit and the fan module, wherein the dust collecting unit is provided with a dust inlet, the fan module can enable the dust collecting unit to generate negative pressure, and the air duct opening and closing mechanism is arranged between the dust collecting unit and the fan body.

A base station capable of carrying out dust collection operation on a cleaning robot to extract and collect garbage in a dust box of the cleaning robot into a dust collection unit comprises a main base, wherein the main base is provided with the dust collection device. Specifically, a dust collecting cavity is arranged in the main machine seat, the dust collecting unit is a dust collecting bag, the dust collecting bag is arranged in the dust collecting cavity, the fan module is arranged at the bottom of the dust collecting cavity, and the dust collecting cavity is connected with a dust box of the cleaning robot through a suction pipeline.

In addition, the base station can also provide services such as mop cleaning, water supplementing, charging and the like for the cleaning robot.

The beneficial effects are that: in the fan module, the dust collecting device and the base station, blades which can be closed towards the middle and spread in four directions are arranged in the air duct opening and closing mechanism, so that the blade group can be spliced into a wind shield in a closed state, and a vent hole with no shielding at the center is formed in an open state; through setting up first disk body and the second disk body that have the guide slot to built two sets of guide relation of guide slot on blade and the two kinds of disk bodies, make first disk body rotate less angle relative to the second disk body and can realize the switching of blade group state, in addition, this wind channel closing mechanism compact structure, the blade is opened and is closed in a plane all the time, can not occupy the space of thickness direction.

Drawings

FIG. 1 is an exploded view of a fan module;

FIG. 2 is a first state diagram of the air duct opening and closing mechanism;

FIG. 3 is a second state diagram of the air duct opening and closing mechanism;

FIG. 4 is an exploded view of the mechanism for opening and closing the air duct;

FIG. 5 is a state diagram of the blade assembly as it is being deployed;

fig. 6 is a block diagram of a base station;

fig. 7 is a block diagram of a base station without a dust collecting unit;

FIG. 8 is a schematic diagram of an installation of a fan module.

In the figure: a-an air duct opening and closing mechanism; 1-leaf blade; 11-sharp corner; 12-a first guide; 13-a second guide; 2-a first tray; 21-a first guide groove; 3-a second tray; 31-a second guide groove; 4-driving a motor; 5-a drive gear; 6-a dust cover; 61-a dust screen; 62-a cover; 7-a fan body; 71-an air inlet; 72-an air outlet; 73-an air outlet pipeline; 8-a dust collection unit; 9-a main machine base; 91-a dust collection chamber; 91 a-suction inlet; 10-suction duct; a-a vent; b-a gear part; c-a first clamping part; d-a second clamping part; b-cleaning robot.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

The fan module shown in fig. 1 comprises a fan body 7, wherein the fan body 7 is provided with an air inlet 71 and an air outlet 72; an air duct opening and closing mechanism A is arranged at the air inlet 71, and is opened when the fan body 7 runs, so that air flow can enter the fan body 7 from the air inlet 71 and be discharged from the air outlet 72; when the fan body 7 stops running, the air duct opening and closing mechanism A is closed to prevent moisture and sundries from entering the fan body 7 through the air inlet 71. In addition, an air outlet pipeline 73 is connected to the air outlet 72, and the air outlet pipeline 73 can guide air flow to a proper position and finally discharge the air flow.

As shown in fig. 2-4, the air duct opening and closing mechanism a comprises a blade group formed by a plurality of blades 1 arrayed in a circumferential array, and further comprises a driving mechanism; the driving mechanism can enable the blade group to be switched between a closed state and an open state; as shown in fig. 2, in the closed state, all the blades 1 are spliced to form a closed wind deflector, and all the blades 1 are not overlapped with each other, so that the air inlet can be blocked; as shown in fig. 3, in the opened state, all the blades 1 are scattered so that a vent hole a is formed in the middle of the blade group, and at this time, air flow can pass through the vent hole a, and dust collection work can be performed normally.

All the blades 1 have the same shape, and the blades 1 have sharp corners 11; in the closed condition, the sharp corners 11 of all the blades 1 are abutted against each other in the center of the array of the blade group, so that the centers of all the blades 1 are completely closed after being spliced.

As shown in fig. 5, in the switching state, each blade 1 moves along the split line of the adjacent blade 1, so, in the switching state, the vent hole a formed in the middle of the blade group gradually becomes larger, the blades 1 around the vent hole a are still in the split state, that is, the blades 1 form a closed frame around the vent hole a, and by changing the positions of the blades 1, the opening degree of the vent hole a can be changed, and more gear adjustments can be realized.

The blade 1 is made of plastic, preferably PPS/PBT plastic, and has excellent heat resistance and heat insulation. In fig. 2, the number of the blades 1 is 6, and in addition, the number of the blades 1 may vary from 6 to 18, and the more the blades, the smaller the overall design size of the opening and closing mechanism a, the smaller the installation size space required.

Specifically, as shown in fig. 4, the driving mechanism includes a first disc 2 and a second disc 3 that can rotate relatively; the first tray 2 and the second tray 3 are respectively provided with a first guide groove 21 and a second guide groove 31; the blade 1 has a first guide portion 12 and a second guide portion 13 respectively inserted into the first guide groove 21 and the second guide groove 31, and the two guide portions are respectively movable along the corresponding guide grooves.

The first guide groove 21 is a continuous polygonal groove, and the first guide portion 12 can only slide relative to the first guide groove 21 and cannot rotate relative to the first guide groove 21; the second guide groove 31 is a bar-shaped groove extending away from the center of the blade group, and the second guide portion 13 is slidable and rotatable with respect to the second guide groove 31.

By adopting the structure, due to the arrangement of the two groups of matching structures of the guide parts and the guide grooves and the limitation of the matching forms of the two groups of matching structures and the trend of the two types of guide grooves, when the first disc body 2 rotates relative to the second disc body 3, the two groups of matching structures can simultaneously generate motion, each blade 1 moves along the split line of the adjacent blade 1, and the blade group can be switched from the closed state to the completely opened state or from the completely opened state to the closed state by relatively rotating a small angle between the first disc body 2 and the second disc body 3.

Preferably, the driving mechanism further comprises a driving motor 4 and a driving gear 5; one of the first disk 2 and the second disk 3 has a gear portion b, and the gear portion b is engaged with the drive gear 5. In this embodiment, the gear portion b is provided on the first disc 2, that is, the second disc 3 is fixedly mounted, and the first disc 2 can rotate relative to the second disc 3.

Preferably, the air duct opening and closing mechanism a further comprises a dust cover 6, when dust collection is performed, a dust screen 61 is arranged in the middle of the dust cover 6, a cover 62 for covering the first disk 2 and the second disk 3 is arranged around the dust screen 61, and air flows enter the vent hole a again through the dust screen 61; specifically, the dust cover 6 is formed with a first engagement portion c, and the second disk 3 is formed with a second engagement portion d for use with the first engagement portion c. In the illustration, the first clamping part c is a buckle, and the second clamping part d is a clamping hole.

The base station shown in fig. 6 includes a dust collecting device, the dust collecting device includes a dust collecting unit 8 and the fan module, the dust collecting unit 8 has a dust inlet, the fan module can make the dust collecting unit 8 generate negative pressure, and the air duct opening and closing mechanism a is disposed between the dust collecting unit 8 and the fan body 7. The wind shield spliced by the blades 1 can prevent heat loss generated by the operation of the fan from being transferred to the dust collecting unit 8, so that bacteria propagation caused by the formation of a damp-heat environment in the dust collecting unit 8 can be avoided, and the environment of bad odor formed by ammonia, sulphonates, sulfides, nitrides and the like released by the decomposition and fermentation of organic matters can be blocked.

As shown in fig. 6, the present utility model also provides a base station capable of performing dust collection operation on the cleaning robot B to extract and collect the garbage in the dust box of the cleaning robot B into the dust collection unit 8, comprising a main frame 9, on which the dust collection device described above is mounted on the main frame 9. Specifically, as shown in fig. 7, the main frame 9 has therein a dust collecting chamber 91, the dust collecting unit 8 is a dust collecting bag mounted in the dust collecting chamber 91, and as shown in fig. 8, the fan module is mounted at the bottom of the dust collecting chamber 91, the dust collecting chamber 91 has a suction inlet 91a, and the suction inlet 91a is connected to a dust box of the cleaning robot through a suction duct 10.

In addition, the base station can provide services such as mop cleaning, water supplementing and charging for the cleaning robot B.

The scheme of the utility model has the following advantages:

(1) The dust particles and moisture of the dust collecting bag can be prevented from flowing into fan blades during non-dust collecting operation, so that the oxidation/short-circuit fan is avoided, and the service life of the fan is optimized and prolonged;

(2) Can block dust bag rubbish moisture and fan heat loss conduction, block that fan heat loss transmits to rubbish in the dirt bag and form mildewing, and then block mould spore powder after mildewing and blow in the air when the fan is exhausted, can not influence user's health.

(3) According to the scheme, the air duct opening and closing mechanism can separate the fan body 7 from the dust collecting bag after dust collection, so that the problem that dust, hair flocculent fibers and other garbage in the dust collecting bag fall into the fan body 7 when the dust collecting bag is scratched and damaged is avoided, and the problem that the service life of the fan is influenced and the fan is blocked and cannot work when the dust collecting mechanism sucks the dust next time is avoided.

In the description of the above embodiments, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

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 a second 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.

The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims

1. A fan module comprises a fan body and an air duct opening and closing mechanism; the fan body is provided with an air inlet and an air outlet, and the air channel opening and closing mechanism is arranged at the air inlet; the air duct opening and closing mechanism is characterized by comprising a blade group formed by a plurality of blades which are circumferentially arrayed, and a driving mechanism;

the driving mechanism can enable the blade group to be switched between a closed state and an open state; in the closed state, all the blades are spliced to form a closed wind shield; in the open state, all the blades are scattered so that a vent hole is formed in the middle of the blade group.

2. The fan module of claim 1, wherein the blade has a pointed portion; in the closed state, the sharp corners of all the blades are abutted against each other at the center of the array of the blade group.

3. The fan module of claim 2 wherein each of the blades moves along a split line of the blade adjacent thereto during the switching state.

4. The fan module of claim 1, wherein the drive mechanism comprises a first disk and a second disk that are relatively rotatable;

5. The fan module of claim 4, wherein the first guide slot is a continuous polygonal slot, the first guide being slidable only with respect to the first guide slot; the second guide groove is a strip-shaped groove extending away from the center of the blade group, and the second guide part can slide and rotate relative to the second guide groove.

6. The blower module of claim 4, wherein the drive mechanism further comprises a drive motor and a drive gear; one of the first disk body and the second disk body is provided with a gear part, and the gear part is meshed with the driving gear.

7. The fan module of claim 1, wherein the air duct opening and closing mechanism further comprises a dust cover.

8. The fan module of claim 1, wherein the blade is plastic.

9. A dust collecting device, characterized in that it comprises a dust collecting unit and the fan module according to any one of claims 1 to 8, the dust collecting unit has a dust inlet, the fan module is capable of making the dust collecting unit generate negative pressure, and the air duct opening and closing mechanism is disposed between the dust collecting unit and the fan body.

10. A base station comprising a main housing having the dust collecting device of claim 9 mounted thereon.