CN107411636A - Dust absorption subassembly and dust catcher - Google Patents

Dust absorption subassembly and dust catcher Download PDF

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Publication number
CN107411636A
CN107411636A CN201710718466.9A CN201710718466A CN107411636A CN 107411636 A CN107411636 A CN 107411636A CN 201710718466 A CN201710718466 A CN 201710718466A CN 107411636 A CN107411636 A CN 107411636A
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CN
China
Prior art keywords
dust
junction block
pipe
connecting portion
dust suction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710718466.9A
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Chinese (zh)
Other versions
CN107411636B (en
Inventor
王德旭
廖泓斌
陈勇
张东明
黄月林
曾林林
陈佳兵
周荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201710718466.9A priority Critical patent/CN107411636B/en
Publication of CN107411636A publication Critical patent/CN107411636A/en
Application granted granted Critical
Publication of CN107411636B publication Critical patent/CN107411636B/en
Active legal-status Critical Current
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02Nozzles
    • A47L9/06Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/068Nozzles combined with a different cleaning side, e.g. duplex nozzles or dual purpose nozzles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

The invention provides a dust collection assembly and a dust collector, wherein the dust collection assembly comprises a dust collection head and a joint pipe, the joint pipe is connected with the dust collection pipe and the dust collection head of the dust collector, the dust collection head is provided with at least two dust collection channels which are not communicated with each other, and the at least two dust collection channels respectively correspond to different dust collection modes; the joint pipe is provided with a switching structure, and the switching structure is used for switching a dust suction channel connected with the dust suction pipe so as to change the dust suction mode of the dust collector. The dust collection assembly integrates a plurality of dust collection accessories on one dust collection head, so that the number of production molds required in the processing and production stage is small, the procedures required by the processing and production are small, and the cost of the required molds and the production and manufacturing cost are reduced. The dust collector is provided with the dust collection assembly, so that the whole operability and simplicity of the dust collector are improved, and the dust collection requirements of almost all areas can be met by using fewer dust collection accessories.

Description

Dust suction subassembly and dust catcher
Technical field
The present invention relates to cleaning device field, and in particular to a kind of dust suction subassembly and dust catcher.
Background technology
Dust catcher is rotated at a high speed using motor band movable vane piece, and air negative pressure is produced in the housing of sealing to draw dirt A kind of electrical equipment of bits.Although dust catcher cleaning effect in the market is uneven, dedusting function can be realized mostly, In order to cater to demand of the user using a vacuum different type region, dust catcher would generally be equipped with many accessories, allow User changes as needed.This results in user and is carrying out needing often to change cleaner head in cleaning process using dust catcher, and These dust suction camera function difference are simultaneously little, and Consumer's Experience is bad.In addition, accessory is not excessive easy to store, and it is easily lost, to user With unnecessary trouble.
In order to solve the above problems, in the prior art some by the way of wide hairbrush is enclosed on outside flat suction by above-mentioned two Individual accessory is combined together.If it is desired that during with flat suction, by the pull-up bottom-up of wide hairbrush, expose flat suction and flat suction can be used Pattern works;If it is desired that during with wide hairbrush, from top push wide hairbrush to bottom and cover flat suction inlet wide hairbrush mould can be used Formula works.But above-mentioned translative mode is inconvenient, the wide long-term push-and-pull of hairbrush easily causes damage and causes flat suction mode and wide hairbrush Pattern can not work simultaneously.
The content of the invention
In view of this, an object of the present invention is to provide a kind of dust suction subassembly for integrating a variety of cleaning functions.
It is a further object of the invention to provide a kind of dust-absorbing function it is constant in the case of, the less suction of number of fitting parts Dirt device.
To reach above-mentioned purpose, on the one hand, the present invention uses following technical scheme:
A kind of dust suction subassembly, including cleaner head, the cleaner head are connected with the sweep-up pipe of dust catcher, and the cleaner head has At least two mutual disconnected dust absorption passages, at least two dust absorption passages correspond to different cleaned models respectively;
Also include switching construction, the dust absorption passage being connected using switching construction switching with the sweep-up pipe, to change Become the cleaned model of dust catcher.
Preferably, the switching construction includes:
Communicating passage, for connecting the dust absorption passage and the sweep-up pipe;
Baffle plate, the baffle plate are used to open or close the communicating passage.
Preferably, the communicating passage is the through hole being arranged on the baffle plate, by rotating the baffle plate so that different The dust absorption passage connected with the sweep-up pipe.
Preferably, the dust suction subassembly also includes junction block, and the cleaner head passes through the junction block and the sweep-up pipe It is connected, the switching construction is arranged on the junction block, by rotating the junction block so that the different dust absorption passages Connected with the sweep-up pipe.
Preferably, one end of the junction block is closed to form blind end, and through hole is offered on the blind end, passes through rotation The junction block causes the sweep-up pipe to be connected from different dust absorption passages.
Preferably, the connecting portion of tubulose is provided with the cleaner head, described in the inner chamber of the connecting portion and at least two Dust absorption passage is connected, and the junction block is inserted in the connecting portion.
Preferably, the first location structure is provided with the junction block, the second location structure is provided with the connecting portion, First location structure coordinates with second location structure, limits the position of the connecting portion and junction block.
Preferably, first location structure is the multiple grooves being arranged in the joint pipe outer wall, and described second is fixed Bit architecture is the multiple projections being arranged on the connecting portion inwall, and multiple projections can be respectively clamped into multiple grooves In.
Preferably, guide frame is provided between the junction block and the connecting portion, the guide frame includes first Guide frame and the second guide frame;
First guide frame is that the rotary chute set is circumferentially extended along the joint pipe outer wall;
Second guide frame can snap onto in the rotary chute and edge to be arranged on the connecting portion inwall The sliding boss that the rotary chute slides.
Preferably, multiple grooves are arranged on the rotary chute, and it is convex that multiple projections are arranged at the slip On platform.
Preferably, a wide hairbrush of connection at least two dust absorption passages, a connection flat suction inlet.
Preferably, viewing area is provided with the connecting portion, the viewing area shows the cleaned model of work at present.
Preferably, the viewing area is the through hole being arranged on the connecting portion, and display is provided with the junction block Mark, the display mark is correspondingly arranged with the dust absorption passage, when switching the cleaned model using the switching construction, with The display mark rotation to the viewing area is shown corresponding to the cleaned model.
For the above-mentioned purpose, on the other hand, the present invention uses following technical scheme:
A kind of dust catcher, dust suction subassembly as described above is provided with the dust catcher.
Beneficial effect:Multiple dust suction accessories are integrated in a cleaner head by the dust suction subassembly in the present invention, therefore, are being added The negligible amounts of production mould required for the work production phase, process that required process is less, mould needed for reduction into Sheet and manufacturing cost.
Dust suction subassembly in the present invention can reduce to a certain extent during dust catcher use required for accessory, when When changing the cleaned model of dust catcher, another cleaner head is changed without a cleaner head is removed, it is only necessary to switch the application In dust suction subassembly cleaned model, it is simple and quick, it is easy to use.
Due to reducing the accessory needed for dust catcher, effectively prevent dust suction accessory from losing, lift Consumer's Experience, simplification is cumbersome Operating procedure, allow user to experience the enjoyment succinctly lived.
Dust suction subassembly in the present invention also has display function, and when carrying out the conversion of cleaned model, dust suction subassembly is shown Current cleaned model, help user's clearly cleaned model used in determination.
Above-mentioned dust suction subassembly is provided with dust catcher in the present invention so that the overall operability of dust catcher improves and letter Clean property is improved, and the dust suction demand in nearly all region is can be realized as using less dust suction accessory.
Brief description of the drawings
By the description to the embodiment of the present invention referring to the drawings, above-mentioned and other purpose of the invention, feature and Advantage will be apparent from.
Fig. 1 is the three-dimensional structure diagram for the dust suction subassembly that the embodiment of the present invention one provides;
Fig. 2 is the semi-cutaway for the cleaner head that the embodiment of the present invention one provides;
Fig. 3 is tomograph of the dust suction subassembly of the offer of the embodiment of the present invention one under wide hairbrush cleaned model;
Fig. 4 is sectional view of the dust suction subassembly of the offer of the embodiment of the present invention one under wide hairbrush cleaned model;
Fig. 5 is tomograph of the dust suction subassembly of the offer of the embodiment of the present invention one under flat suction cleaned model;
Fig. 6 is sectional view of the dust suction subassembly of the offer of the embodiment of the present invention one under flat suction cleaned model;
Fig. 7 is the connection structure diagram between the cleaner head that the embodiment of the present invention one provides and junction block;
Fig. 8 is the partial sectional view for the cleaner head that the embodiment of the present invention one provides;
Fig. 9 is the front view for the junction block that the embodiment of the present invention one provides;
Figure 10 is the sectional view for the location structure that the embodiment of the present invention one provides.
In figure:
1st, cleaner head;2nd, junction block;3rd, wide hairbrush dust absorption passage;31st, wide hairbrush air inlet;4th, flat suction dust absorption passage;5、 Wide hairbrush;6th, flat suction inlet;7th, communicating passage;8th, baffle plate;9th, rotary chute;10th, sliding boss;11st, it is raised;12nd, groove;13、 Viewing area;14th, display mark;15th, connecting portion;16th, positioning bar.
Embodiment
Below based on embodiment, present invention is described, it should be understood by one skilled in the art that provided herein Accompanying drawing is provided to the purpose of explanation, and accompanying drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with the " comprising " in claims, "comprising" etc. Word should be construed to the implication included rather than exclusive or exhaustive implication;That is, it is containing for " including but is not limited to " Justice.
The invention discloses a kind of dust suction subassembly, including cleaner head, cleaner head is connected with the sweep-up pipe of dust catcher, cleaner head Inside there are at least two mutual disconnected dust absorption passages, at least two dust absorption passages correspond to different cleaned models respectively, lead to The dust absorption passage that switching construction switching is connected with sweep-up pipe is crossed, to change the cleaned model of dust catcher.
A kind of preferred embodiment, in addition to junction block, cleaner head are connected by the sweep-up pipe of junction block and dust catcher. Increase junction block can effectively strengthen the adaptability of sweep-up pipe, can be attached with multiple accessories, when junction block is damaged When can also change in time, do not influence whole dust catcher and use.
Dust suction subassembly in the application also includes switching construction, and cleaned model is switched over facilitating.Switching construction bag Communicating passage and baffle plate are included, communicating passage is used to connect selected dust absorption passage and sweep-up pipe, to realize the dust suction of selected pattern Operation, baffle plate are used to close the path between other dust absorption passages and sweep-up pipe, to ensure to have enough in the dust absorption passage of connection Suction.It is preferred that being switched over using rotation mode, now, communicating passage and baffle plate are changed by rotary dusting head or junction block Relative position, utilize communicating passage to connect the path corresponding to selected cleaned model between dust absorption passage and sweep-up pipe, profit Path corresponding to baffle plate blocks other cleaned models between dust absorption passage and sweep-up pipe.
Embodiment is replaced as one kind, in addition to changing the method for cleaned model using rotary dusting head or junction block, Cleaned model can also be changed by the way of the increase into communicating passage or removal baffle plate.Switching construction now includes being used for Multiple communicating passages of dust absorption passage, the corresponding communicating passage of each dust absorption passage are connected, in addition to is movably used for Multiple baffle plates of closed communication passage.After selected cleaned model, the baffle plate corresponding to the cleaned model on dust absorption passage is moved Walk, expose communicating passage, to connect the path between the dust absorption passage and sweep-up pipe.For remaining without using cleaned model pair The dust absorption passage answered, then its corresponding communicating passage is closed using baffle plate.When needing to change cleaned model, move again Dynamic baffle plate is opened or closed communication passage can be achieved.
The dust suction subassembly in the application is described in detail below by specific embodiment.
Embodiment one
As shown in Figures 1 to 10, it is dust suction subassembly disclosed in the present embodiment, including cleaner head 1 and junction block 2, junction block 2 Connect the sweep-up pipe of cleaner head 1 and dust catcher respectively, in the dust catcher course of work, air and dust successively by cleaner head 1, connect Head tube 2 and sweep-up pipe are entered in accommodating cavity of the dust catcher for depositing dust.
Wide hairbrush 5 and flat suction inlet 6 are provided with cleaner head 1, the wide hair of two accessories will be used as in the prior art to realize The purpose that brush 5 and flat suction inlet 6 integrate, as shown in Fig. 3, Fig. 5.There is wide hairbrush dust absorption passage 3 in the inside of cleaner head 1 With flat suction dust absorption passage 4, wide hairbrush dust absorption passage 3 is connected with wide hairbrush 5, and flat suction dust absorption passage 4 connects with flat suction inlet 6.On Two dust absorption passages are stated by the way of setting up and down, preferably wide hairbrush dust absorption passage 3 accordingly, wide hairbrush 5 is set in lower section Put and be arranged on the front end on the top of cleaner head 1 in the bottom of cleaner head 1, flat suction inlet 6, as shown in Fig. 2 and with reference to Fig. 3 to Fig. 6. During practical application, wide hairbrush dust absorption passage 3 and the flat position inhaled dust absorption passage 4 and be not limited in figure can also be by wide hairbrush Dust absorption passage 3 is arranged on the top of flat suction dust absorption passage 4, and then wide hairbrush 5 is arranged on to the top of wide hairbrush dust absorption passage 3.
The end of cleaner head 1 has connecting portion 15, and cleaner head 1 is connected by connecting portion 15 with junction block 2, and connecting portion 15 is Section is the tubular structure of annulus, and junction block 2 is inserted into connecting portion 15, connecting portion 15 and two dust absorption passages of cleaner head 1 Connect.The second guide frame is provided with the inwall of connecting portion 15, on the outer wall of one end that junction block 2 is connected with cleaner head 1 The first guide frame is provided with, the first guide frame is used cooperatively with the second guide frame, and the first guide frame and second is oriented to It can be rotated against between structure.When cleaner head 1 is attached with junction block 2, one end of the first guide frame of junction block 2 is inserted Enter into connecting portion 15, the second guide frame is snapped onto in the first guide frame, and junction block 2 is rotatably affixed at into cleaner head 1 Connecting portion 15 in.Herein it should be noted that the first guide frame and the second guide frame can either realize handoff functionality, again With the function that does not depart from that cleaner head 1 and junction block 2 link together, position limiting structure use is served as.
Embodiment is replaced as one kind, the connected mode between the connecting portion and junction block of cleaner head can also be dust suction One end of the connecting portion of head is inserted into junction block, and corresponding first guide frame is just arranged on the inwall of junction block, and second Guide frame is arranged on the outer wall of connecting portion, to ensure to relatively rotate between junction block and cleaner head.
In the present embodiment, the concrete structure of switching construction is as shown in fig. 7, switching construction includes being used for wide hairbrush dust suction Passage 3 or the flat communicating passage 7 inhaled one of dust absorption passage 4 and be connected with sweep-up pipe, in addition to for closing wide hairbrush dust suction Passage 3 or it is flat inhale another baffle plate 8 of dust absorption passage 4, communicating passage 7 is opened on baffle plate 8, and both are located at the closing of junction block End, form switching construction.Because the dust suction subassembly in the present embodiment only has two dust absorption passages, therefore, junction block 2 and two The bottom of dust absorption passage contact, i.e. a part for blind end is entity structure, for forming baffle plate 8, the bottom of junction block 2 it is another A part is communicating structure, i.e. through hole, and for forming communicating passage 7, the shape of entity structure and communicating structure is cambered surface, two Individual cambered surface collectively forms the rounded bottom surface of junction block 2.Wherein, the size of entity structure is slightly larger than the size of dust absorption passage, will Dust absorption passage completely encloses;The size of communicating structure and the equal sized of dust absorption passage or the size for being slightly less than dust absorption passage.
When carrying out cleaned model switching, hinged pipe 2, the first guide frame and the second guide frame are produced and slided relatively It is dynamic, and then drive the bottom surface of junction block 2 to rotate, the entity structure of bottom surface is gradually rotated to the position where original communicating structure, The communicating structure of bottom surface gradually with the position of communicating passage 7 change by rotation to the position where original entity structure, i.e. baffle plate 8, from And close the dust absorption passage originally connected with sweep-up pipe, the dust absorption passage originally closed is opened and connected with sweep-up pipe, is realized Cleaned model is changed.
As a kind of embodiment in the present embodiment, the first guide frame is to be circumferentially extended along the outer wall of junction block 2 The rotary chute 9 of setting, the second guide frame are that can snap onto rotation on the inwall for the connecting portion 15 for being arranged at cleaner head 1 to slide The sliding boss 10 slided in groove 9 and along rotary chute 9.
It is sliding boss on rotary chute is arranged on the inwall of the connecting portion of cleaner head that another kind, which replaces embodiment, It is arranged on the outer wall of junction block, the structure and sliding boss of rotary chute and sliding boss and the fit system of rotary chute It is identical with above-mentioned embodiment.
In addition, rotary chute is arranged in internal face or the outside wall surface of junction block or cleaner head, sliding boss are arranged on All it is not particularly limited on the internal face or outside wall surface of junction block or cleaner head, if it disclosure satisfy that both are used cooperatively, and energy The set-up mode for rotating against and driving cleaned model switching is enough formed between junction block and connecting portion.
As shown in Figure 8, Figure 9, in the present embodiment, because junction block 2 is inserted into the connecting portion 15 of cleaner head 1, therefore, Rotary chute 9 is arranged in the outside wall surface of junction block 2, and sliding boss 10 are arranged on the internal face of connecting portion 15 of cleaner head 1. After junction block 2 is inserted into connecting portion 15, sliding boss 10 are snapped onto in rotary chute 9, limitation cleaner head 1 and junction block 2 Between can not be axially moveable, but can relatively rotate.In addition, it is provided with the pre-position of junction block 2 outstanding The positioning bar 16 of setting, positioning bar 16 abut with the free end of connecting portion 15, and limitation junction block 2 inserts the depth of connecting portion 15.
Due to having two in the present embodiment in the dust absorption passage being distributed up and down, the port of two dust absorption passages is collectively forming One circular cross-section, therefore, hinged pipe 2 is needed when carrying out cleaned model switching every time, the angle of rotation is 180 °.For Guarantee rotation accuracy, prevent the feelings for causing two dust absorption passages by anglec of rotation inaccuracy while being connected with sweep-up pipe Condition occurs, and the quantity of sliding boss 10 is arranged to two, and is uniformly arranged in a circumferential direction, i.e. between two sliding boss 10 180 ° of difference.Further, in order to ensure that cleaned model accurately switches, sliding boss 10 are made no longer to exist after rotating to precalculated position Moved in rotary chute 9 and influence dust suction process, positioning component is set on rotary chute 9 and sliding boss 10.Positioning is set Component can ensure cleaned model switching after the completion of, without using dust absorption passage there is good sealing property, will not be because of close Seal it is bad cause two dust absorption passages to be connected with sweep-up pipe, the dust absorption passage for resulting in the need for using does not have enough suction to go to inhale Take dust.
As shown in Figure 10, positioning component includes being arranged on rotary chute 9 and along rotary chute 9 to the center line of junction block 2 The groove 12 of direction depression, in addition to the projection 11 for being arranged in sliding boss 10 and stretching out, projection 11 can snap onto In groove 12, on condition that an external force is not applied, positioned between cleaner head 1 and junction block 2 by projection 11 and groove 12. Be not in the situation of relative rotation between junction block 2 and cleaner head when projection 11 is snapped onto in groove 12;When to projection 11 During applying slight, projection 11 can remove from groove 12, can be relative under external force between cleaner head 1 and junction block 2 Rotate, carry out cleaned model switching.The location structure set in the present embodiment can ensure can between junction block 2 and cleaner head 1 Arbitrarily to rotate, but once it rotate in place, will not releases on condition that an external force is not applied, ensures that the use of dust suction subassembly is reliable Property and security.
It should be strongly noted that when being not provided with projection 11 and groove 12, it is between rotary chute 9 and sliding boss 10 Proper engagement state, between the two can be more smooth relatively move.After projection 11 is set, cause sliding boss 10 single Outstanding 0.1 ± the 0.01cm in side, the circle where in turn resulting in projection 11 compares the circle where sliding boss 10, to contract 0.2 ± 0.02cm, cause to form interference fit, both meetings in relative sliding process between rotary chute 9 and sliding boss 10 There is situation about interfering, but it is smaller due to producing the size interfered, therefore can be ignored, to overall structure not Have an impact.
It can understand in order to facilitate user and identify currently used cleaned model, the connection of the cleaner head 1 of the present embodiment Viewing area 13 is provided with portion 15, viewing area 13 is through-hole structure, and display mark 14, display mark are provided with junction block 2 Will 14 is correspondingly arranged with cleaned model, and when carrying out cleaned model switching, hinged pipe 2 to projection 11 is snapped onto in groove 12 When, display mark 14 at rotation to the position of viewing area 13, shows the cleaned model of work at present just, helps user accurate Really identification cleaned model, cleaned model is selected as needed and is switched fast, saves the time for changing accessory.Viewing area The set location of domain 13 and display mark 14 is not fixed, as long as cleaned model switches, display mark also can be with The structure for switching and being shown in viewing area can substitute to said structure.
As shown in Figure 5 to Figure 6, the specific work process of the dust suction subassembly in the present embodiment is illustrated.In Fig. 3, Fig. 4 In, dust suction subassembly is in wide hairbrush cleaned model, shows wide hairbrush mark in viewing area 13 under this pattern, represents if opened Then dust catcher works dust catcher under wide hairbrush cleaned model.Now, the communicating passage 7 of junction block 2 connects wide hairbrush dust suction and led to Road 3 and sweep-up pipe, the baffle plate 8 of junction block 2 close flat suction dust absorption passage 4, and dust passes through wide hairbrush air intake in air and air Mouth 31 is entered in wide hairbrush dust absorption passage 3, and then enters sweep-up pipe by junction block 2.When needing to change cleaned model During to flat suction cleaned model, in the groove 12 that the projection 11 on hinged pipe 2 to sliding boss 10 snaps onto rotary chute 9 When, now junction block 2 have rotated 180 °.As shown in Figure 5, Figure 6, now dust suction subassembly is under flat suction cleaned model, viewing area Flat absorption sign is shown in domain 14, informs that user is had been switched under flat suction cleaned model.Under flat suction cleaned model, junction block 2 Communicating passage 7 connect it is flat suction dust absorption passage 4 and sweep-up pipe, the baffle plate 8 of junction block 2 wide hairbrush dust absorption passage 3 is closed, air Entered with the dust in air by flat suction inlet 6 in flat suction dust absorption passage 4, and then entered by pipe joint 2 in sweep-up pipe.
Dust suction subassembly in the present embodiment effectively prevents dust suction accessory from losing due to reducing the accessory needed for dust catcher, Consumer's Experience is lifted, simplifies cumbersome operating procedure, allows user to experience the enjoyment succinctly lived.
Embodiment two
Present embodiment discloses a kind of dust catcher, a kind of described suction of embodiment is provided with the dust catcher in the present embodiment Dirt component so that the overall operability of dust catcher improves, and terseness improves, and can be realized as using less dust suction accessory several The dust suction demand of all areas.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free Ground combination, superposition.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art For, the present invention can have various changes and change.All any modifications made within spirit and principles of the present invention, it is equal Replace, improve etc., it should be included in the scope of the protection.

Claims (14)

1. a kind of dust suction subassembly, including cleaner head, the cleaner head is connected with the sweep-up pipe of dust catcher, it is characterised in that described Cleaner head has at least two mutual disconnected dust absorption passages, and at least two dust absorption passages correspond to different dust suctions respectively Pattern;
Also include switching construction, the dust absorption passage being connected using switching construction switching with the sweep-up pipe, inhaled with changing The cleaned model of dirt device.
2. dust suction subassembly according to claim 1, it is characterised in that the switching construction includes:
Communicating passage, for connecting the dust absorption passage and the sweep-up pipe;
Baffle plate, the baffle plate are used to open or close the communicating passage.
3. dust suction subassembly according to claim 2, it is characterised in that the communicating passage is to be arranged on the baffle plate Through hole, by rotating the baffle plate so that the different dust absorption passages connect with the sweep-up pipe.
4. dust suction subassembly according to claim 1, it is characterised in that the dust suction subassembly also includes junction block, the suction Dirt head is connected by the junction block with the sweep-up pipe, and the switching construction is arranged on the junction block, by rotating State junction block so that the different dust absorption passages connect with the sweep-up pipe.
5. dust suction subassembly according to claim 4, it is characterised in that one end of the junction block is closed to form blind end, Through hole is offered on the blind end, is connected by rotating the junction block sweep-up pipe from different dust absorption passages It is logical.
6. dust suction subassembly according to claim 4, it is characterised in that the connecting portion of tubulose is provided with the cleaner head, The inner chamber of the connecting portion is connected with least two dust absorption passages, and the junction block is inserted in the connecting portion.
7. dust suction subassembly according to claim 6, it is characterised in that the first location structure is provided with the junction block, The second location structure is provided with the connecting portion, first location structure coordinates with second location structure, limits institute State the position of connecting portion and junction block.
8. dust suction subassembly according to claim 7, it is characterised in that first location structure is to be arranged at the joint Multiple grooves in pipe outer wall, second location structure are the multiple projections being arranged on the connecting portion inwall, Duo Gesuo Stating projection can be respectively clamped into multiple grooves.
9. dust suction subassembly according to claim 8, it is characterised in that be provided between the junction block and the connecting portion Guide frame, the guide frame include the first guide frame and the second guide frame;
First guide frame is that the rotary chute set is circumferentially extended along the joint pipe outer wall;
Second guide frame can be snapped onto in the rotary chute and along described to be arranged on the connecting portion inwall The sliding boss that rotary chute slides.
10. dust suction subassembly according to claim 9, it is characterised in that multiple grooves are arranged at the rotary chute On, multiple projections are arranged in the sliding boss.
11. according to the dust suction subassembly described in any one of claim 1 to 10, it is characterised in that at least two dust absorption passages In a wide hairbrush of connection, a connection flat suction inlet.
12. according to the dust suction subassembly described in any one of claim 6 to 10, it is characterised in that be provided with the connecting portion aobvious Show region, the viewing area shows the cleaned model of work at present.
13. dust suction subassembly according to claim 12, it is characterised in that the viewing area is to be arranged at the connecting portion On through hole, display mark is provided with the junction block, the display mark is correspondingly arranged with the dust absorption passage, utilizes institute When stating the switching construction switching cleaned model, the display mark rotation corresponding with the cleaned model to the viewing area Domain is shown.
14. a kind of dust catcher, it is characterised in that the suction described in just like any one of claim 1 to 13 is set on the dust catcher Dirt component.
CN201710718466.9A 2017-08-21 2017-08-21 Dust collection assembly and dust collector Active CN107411636B (en)

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CN107411636B CN107411636B (en) 2022-09-06

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN108213021A (en) * 2018-03-07 2018-06-29 东旭集团有限公司 Transverse cutting unit chopping block dust-extraction unit, the glass transverse cutting machine and its application method for including it
CN108315991A (en) * 2018-03-26 2018-07-24 安徽省天和鞋服有限责任公司 A kind of cloth shoes suction special suction nozzle of suede device
CN114274049A (en) * 2022-01-10 2022-04-05 常州赛迪工具有限公司 Electric tool dust collection structure and handheld electric sander with same
US11937762B2 (en) 2019-06-26 2024-03-26 Milwaukee Electric Tool Corporation Vacuum tools

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