CN101879050A - Slit brush head with valve blocks for dust collector - Google Patents
Slit brush head with valve blocks for dust collector Download PDFInfo
- Publication number
- CN101879050A CN101879050A CN2009100687588A CN200910068758A CN101879050A CN 101879050 A CN101879050 A CN 101879050A CN 2009100687588 A CN2009100687588 A CN 2009100687588A CN 200910068758 A CN200910068758 A CN 200910068758A CN 101879050 A CN101879050 A CN 101879050A
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- CN
- China
- Prior art keywords
- suction nozzle
- brush head
- slit
- dust catcher
- slit brush
- 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.)
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Abstract
The invention discloses a slit brush head with valve blocks for a dust collector, which belongs to a suction nozzle for the dust collector. One end of the slit brush head is provided with a splicing part shaped into a circular interface, while the other end is provided with a flat suction nozzle shaped into an annular opening, wherein the two sidewalls of the suction nozzle are correspondingly extended towards the splicing part to form sloping surface parts with a plurality of vent holes; and the inner wall of a suction nozzle cavity and the sloping surface parts are provided with elastic sealing devices which seal the vent holes. As the inner walls of the sloping surface parts of the brush head are provided with the elastic sealing devices which seal the vent holes, the slit brush head of the invention can not only improve the suction of the suction nozzle in a normal working state, but also ensure that outside air enters through the vent holes opened by the elastic valve blocks under the abnormal working state that the suction nozzle is jammed by foreign matters so as to effectively realize the overload protection of a motor and ensure the safety of the dust collector in use.
Description
Technical field
The present invention relates to the dust catcher suction nozzle, specifically is a kind of dust catcher slit brush head that valve block is housed.
Background technology
Dust catcher is a kind of sanitation and hygiene electrical installation, is used for removing the dust in ground, carpet, wall, furniture, clothing and various slits.
Dust catcher comprises substantially and imports the motor of dust collector that electric current generates suction, forms the motor air inlet of air path system, suction nozzle, and hose filters and gathers the dust collect plant etc. of inhalation (inhalatio).
Profile classification according to dust catcher can be divided into vertical type dust collector, horizontal (pot type) dust catcher and portable dust collector etc.
For adapting to the dust suction operation of different cleaning face, the suction nozzle of dust catcher (or brush) can have difformity and purposes, as tapered pointed suction nozzle brush, and the type of twitching one's mouth slit brush head, being installed on the rigidity dust suction bar of selective property such as square suction nozzle brush of band roller are used.
Fig. 1 is the perspective view of slit brush head in the prior art; Fig. 2 is the vertical profile structural representation of slit brush head in the prior art; Fig. 3 is the local structure for amplifying schematic diagram of Fig. 2.
For convenient in the corner, turning and slit areas carry out the dust suction operation, the more flat slit brush head of grafting suction nozzle on the rigidity dust suction bar of hollow usually.As shown in the figure, the brush 1 general engineering plastics tubing processing and fabricating that adopts.2 rounded mouthfuls of the Plug Divisions of slit brush head 1 are for being connected with rigidity dust suction bar (not shown).The other end forms the flat suction nozzle 3 of arc opening, and suction nozzle 3 two sides form continuous domatic 5 to Plug Division 2 directions correspondence, and become one with Plug Division 2.Described flat suction nozzle 3 major diameters are identical with Plug Division 2 diameters, and flat suction nozzle 3 transverse diameters and Plug Division 2 are same center line.The arc opening of flat suction nozzle 3 is the circular chamfering that forms on the flattened rectangular mouth, is convenient to it and contacts with the cleaning face, and avoid damaging the cleaning face.
During the dust suction operation, the rigidity dust suction bar that is communicated with dust catcher (not shown) is installed slit brush head 1, and slit brush head 1 is arranged on the scope of operation of slit areas, the air that contains foreign substances such as dust enters in the slit brush head 1 through the air inlet 11 of flat suction nozzle 3, and arrive dust catcher inside by rigidity dust suction bar, hose, filter, control of dust.
Blocked by bigger rubbish for fear of suction nozzle, containing dust etc. can not enter with the air of material, negative pressure is excessive, cause motor to burn because of overload, and be formed with the passage 4 that quantity does not wait domatic 5 of the two sides of brush 1, replenish ventilation for suction nozzle 3 when blocked, avoid taking place motor and burn because of overload.But these passage quantity do not reach needed ventilatory effect at least, if perforate quantity has reduced the suction of suction nozzle at most greatly, make troubles to the user.
Summary of the invention
The present invention is exactly the problem that causes motor overload to burn when the type slit brush head of twitching one's mouth is stopped up by rubbish in order to solve, and a kind of dust catcher slit brush head that valve block is housed is provided.
The present invention realizes by following technical scheme.
A kind of dust catcher slit brush head 1 that valve block is housed, the Plug Division 2 that comprises the rounded interface of an end, the other end forms the flat suction nozzle 3 of arc opening, the suction nozzle two side is formed with domatic 5 of most passages 4 to the corresponding continuity in Plug Division, and in the suction nozzle chamber and domatic 5 inwall be provided with the enclosed elastic device 6 in closed vent hole 4.
She Ji the present invention like this, owing to domatic 5 enclosed elastic device 6 that is provided with closed vent hole 4 at brush 1 suction nozzle 3 cavity walls, and valve block 8 has certain primary stress.Suction when not only having improved suction nozzle 1 normal operating conditions; Can guarantee again under the abnormal operating state when suction nozzle 1 is stopped up by foreign matter that the passage after outside air is opened by elastic valve plate enters, thereby effectively realizes the motor overload protection, guarantees the safe in utilization of dust catcher.
Description of drawings
Fig. 1 is the perspective view of slit brush head in the prior art;
Fig. 2 is the vertical profile structural representation of slit brush head in the prior art;
Fig. 3 is the local structure for amplifying schematic diagram of Fig. 2;
Fig. 4 is the perspective view of valve block of the present invention;
Fig. 5 is the vertical profile structural representation of valve block closure state of the present invention;
Fig. 6 is the local structure for amplifying schematic diagram of Fig. 5;
Fig. 7 be among Fig. 6 A to structural representation;
Fig. 8 is the vertical profile structural representation of valve block open state of the present invention;
Fig. 9 is the local structure for amplifying schematic diagram of Fig. 8.
The label symbol of major part among the figure:
1. brush 2. Plug Divisions
3. suction nozzle 4. passages
5. domatic 6. locking devices
7. framework 8.8a. elastic valve plate
9. arc frame 10. long margin frames
11. air inlet.
The specific embodiment
The present invention will be described in detail below in conjunction with drawings and Examples.Identical shaped and parts structure have used same label symbol in the accompanying drawing.
Described flat suction nozzle 3 major diameters are identical with Plug Division 2 diameters, and flat suction nozzle 3 transverse diameters and Plug Division 2 are same center line.The arc opening of flat suction nozzle 3 is the circular chamfering that forms on the flattened rectangular mouth, is convenient to it and contacts with the cleaning face, and avoid damaging the cleaning face.
Usually, the rigidity dust suction bar that is communicated with dust catcher (not shown) is equipped with slit brush head 1, and slit brush head 1 is applied in the scope of operation of slit areas, the air that contains foreign substances such as dust enters in the slit brush head 1 through the air inlet 11 of flat suction nozzle 3, and arrive dust catcher (not shown) inside by rigidity dust suction bar, hose, filter, control of dust.
The dust catcher slit brush head 1 of valve block is equipped with in the present invention, the Plug Division 2 that comprises the rounded interface of an end, the other end forms the flat suction nozzle 3 of arc opening, suction nozzle 3 two sides are formed with domatic 5 of most passages 4 to the corresponding continuity in Plug Division 2, and in the suction nozzle chamber and domatic 5 inwall be provided with the enclosed elastic device 6 in closed vent hole 4.
The described dust catcher slit brush head that valve block is housed, its enclosed elastic device 6 are the elastic valve plate 8, the 8a that extend in the same way, oppositely turn up that connected by the corresponding long limit of rectangular frame 7 and both sides thereof.
The described dust catcher slit brush head that valve block is housed, the elastic valve plate 8 that extends in the same way, oppositely turns up, 8a shape and size that corresponding long limit 10, its framework 7 both sides connects are identical, and cover corresponding domatic 5 madial wall that is formed with passage 4 respectively.
And the elasticity of valve block 8,8a and the primary stress that has effectively are provided with according to the motor load ability.
The described dust catcher slit brush head that valve block is housed, the corresponding up and down minor face of its rectangular frame 7 is outer convex frame 9, arc frame 9 and long margin frame 10 and suction nozzle cavity wall interference fit.
The described dust catcher slit brush head that valve block is housed, domatic 5 madial wall that it is characterized in that elastic valve plate 8, the 8a that oppositely turns up and be formed with passage 4 fits tightly.
Make when of the present invention, with the framework 7 of prefabricated enclosed elastic device 6 preceding, elastic valve plate 8,8a after, 2 interference fit are arranged to suction nozzle 3 cavity walls through the Plug Division with framework 7 earlier, get final product and elastic valve plate 8,8a are retained in domatic 5 inwall.
When using design like this of the present invention, because at domatic 5 enclosed elastic device 6 that is provided with closed vent hole 4 of brush 1 suction nozzle 3 cavity walls, and valve block 8,8a have certain primary stress.When suction nozzle 1 operate as normal, the air that contains foreign substances such as dust enters in the slit brush head 1 from air inlet 11, framework 7, and the air that enters in passage 4 seldom, and guaranteeing has enough suction at suction nozzle; And when the air inlet 11 of suction nozzle 3 is blocked by big rubbish thing; vacuum strengthens in the brush 1; make brush 1 inside and outside pressure reduction strengthen; at this moment, extraneous air empty 4 enters in the slit brush head 1 by ventilating, and impact valve block 8,8a inwardly draws in; valve block 8,8a are left be formed with domatic 5 inwall of passage 4; increased air inflow, effectively realized the motor overload protection, guaranteed the safe in utilization of dust catcher with this.
Claims (5)
1. dust catcher slit brush head that valve block is housed, the Plug Division that comprises the rounded interface of an end, the other end forms the flat suction nozzle of arc opening, the suction nozzle two side is to the corresponding domatic portion that is formed with most passages that continues in Plug Division, and it is characterized in that: suction nozzle cavity wall and domatic portion are provided with the enclosed elastic device in closed vent hole.
2. according to the described dust catcher slit brush head that valve block is housed of claim 1, it is characterized in that the enclosed elastic device is the elastic valve plate that extends in the same way, oppositely turns up that is connected by the corresponding long limit of rectangular frame and both sides thereof.
3. according to the described dust catcher slit brush head that valve block is housed of claim 2, it is characterized in that the corresponding up and down minor face of rectangular frame is outer convex frame, arc frame and long margin frame and suction nozzle cavity wall interference fit.
4. according to the described dust catcher slit brush head that valve block is housed of claim 2, it is characterized in that elastic valve plate that oppositely turns up and domatic the madial wall that is formed with passage fit tightly.
5. according to the described dust catcher slit brush head that valve block is housed of claim 2, it is characterized in that extension in the same way, the elastic valve plate shape of oppositely turning up and big or small identical that corresponding long limit, framework both sides connects, and cover corresponding domatic madial wall respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100687588A CN101879050A (en) | 2009-05-06 | 2009-05-06 | Slit brush head with valve blocks for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100687588A CN101879050A (en) | 2009-05-06 | 2009-05-06 | Slit brush head with valve blocks for dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101879050A true CN101879050A (en) | 2010-11-10 |
Family
ID=43051295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100687588A Pending CN101879050A (en) | 2009-05-06 | 2009-05-06 | Slit brush head with valve blocks for dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101879050A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825096A (en) * | 2014-02-10 | 2015-08-12 | 戴森技术有限公司 | Vacuum cleaner tool |
| CN108442439A (en) * | 2018-05-25 | 2018-08-24 | 中国电建集团成都勘测设计研究院有限公司 | The device of water stone mixture is cleared up for hydraulic and hydroelectric engineering base surface |
-
2009
- 2009-05-06 CN CN2009100687588A patent/CN101879050A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825096A (en) * | 2014-02-10 | 2015-08-12 | 戴森技术有限公司 | Vacuum cleaner tool |
| CN108442439A (en) * | 2018-05-25 | 2018-08-24 | 中国电建集团成都勘测设计研究院有限公司 | The device of water stone mixture is cleared up for hydraulic and hydroelectric engineering base surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101110 |