CN105143557A - Vacuum attachment for a blower - Google Patents
Vacuum attachment for a blower Download PDFInfo
- Publication number
- CN105143557A CN105143557A CN201380075908.2A CN201380075908A CN105143557A CN 105143557 A CN105143557 A CN 105143557A CN 201380075908 A CN201380075908 A CN 201380075908A CN 105143557 A CN105143557 A CN 105143557A
- Authority
- CN
- China
- Prior art keywords
- port
- penetrating via
- vacuum
- connector
- air passage
- 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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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details 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
- A47L9/02—Nozzles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
- A01G20/40—Apparatus for cleaning the lawn or grass surface
- A01G20/43—Apparatus for cleaning the lawn or grass surface for sweeping, collecting or disintegrating lawn debris
- A01G20/47—Vacuum or blower devices
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
A vacuum attachment (1) for a blower (2), comprising: an input air channel (3) having an air inlet (4); and a through channel (5) from a vacuum inlet (6) to an outlet (7), in which the input air channel (3) terminates in a port (8) in the through channel (5), in which the port (8) is positioned so as to direct air flowing from the input air channel (3) in a direction through the through channel (5) away from the vacuum inlet (6), in which the air inlet (4) has a mounting surface (9) on which can be mounted an air outlet (10) of the blower (2) in a releasable and re-engagable manner. Thus, with a blower (2) connected to the air inlet (4), an airflow introduced at the air inlet (4) will cause an airflow from the vacuum inlet (6) to the outlet (7), entraining debris with the airflow.
Description
The present invention relates to the Vacuum connector for blast fan, and relate to relevant vacuum equipment, this connector and equipment are typically but be not applicable to the collection of gardens chip uniquely.
Gardens vacuum equipment is known, and generally includes to be arranged as and chip sucked collection channel and low pressure source chip being deposited to collecting chamber (such as, reusable textile bags).Usually, low pressure source is rotary fan or other this kind of impeller.
The function of this kind of equipment can divide into two types: the first type can be called " dirty fan " system, and wherein, chip passes through between collection channel and collecting chamber on fan.But, this means that chip may be attached on fan, make the potential decline of performance possibility.That wet, sticky this fan of chip (such as, wet leaves) possibility total blockage, means that user manually must remove this encumbrance from fan.Hard objects through fan can affect the blade of fan, may destroy fan.
Known this kind " dirty fan " vacuum equipment being such as U.S. Patent number 5638574 and providing blast fan form, can be converted to vacuum equipment by blower tube is replaced with vacuum tube by blast fan.Usually, this requires to do some transformations to form vacuum equipment to blast fan, and this is concerning being very difficult and consuming time user.
The second type is " clean fan " system, and it utilizes the raw negative pressure (meet bernoulli principle, this principle has set forth streaming flow can reduce pressure) of air miscarriage and utilizes this negative pressure to provide suction.Publication No. is describe this kind of system in the Serbian patent application of P-2007/0092.The advantage of this kind of system is: chip does not need and usual obstructed passing through fan.
But, expect the efficiency and the flexibility that improve this kind of system all the time.
According to a first aspect of the invention, provide a kind of Vacuum connector for blast fan, comprising:
Input air passage, has air inlet port; And
Penetrating via, from vacuum inlet to outlet,
Wherein, stop in the port of input air passage in penetrating via, wherein, this port is positioned to guide air from input air passage along being flowed away from vacuum inlet by the direction of penetrating via, wherein, air inlet port has mounting surface, and this mounting surface is installed in mode that is dismountable and that can be re-engaged the gas outlet of blast fan.
Thus, the connection that can be attached on blast fan is this provided so that provide a kind of vacuumed debris gathering-device.Therefore, two independently devices need not be provided; User can have blast fan, and it can use when needs blow chip, is converted into vacuumed debris gathering-device when expecting collection of debris.In addition, do in order to blast fan is converted to required for vacuum equipment: the air inlet port of Vacuum connector is engaged with the outlet of blast fan; Do not need to carry out complicated transformation to blast fan, and blast fan still operates based on " clean fan ".
Input air passage can comprise the housing at least partially around penetrating via, wherein, this part of housing and penetrating via is normally columniform and/or coaxial, however, penetrating via and housing also can be avette, oval or have the rectangular/square of fillet in cross-section.Input air passage can comprise the input pipe between air inlet port and housing.
Input pipe and housing will have inner section area usually, the inner section area of input pipe is less than the inner section area of the ring formed between housing and a part for penetrating via, input air passage comprises the transition portion between input pipe and housing, and the section area that this transition portion has smoothly changes into the section area of housing from the section area of input pipe.This allowable superficial gas velocity reduces gradually, to reduce the back pressure of air inlet port place (and on fan of blast fan thus).Input pipe can have the shape of cross section of any expectation, such as, circular, avette, oval or have the rectangular/square of fillet.
As can along the outer surface measuring of input air passage, the Angulation changes that input air passage can be greater than 90 degree be usually by the direction of port.Input air passage can change the direction by port smoothly; For smoothly, our being meant to is enough level and smooth there is not obvious turbulent flow.Thus, this port can have radius of curvature r
1(usually along the central line measurement of port), it is greater than the width w of the outlet of port.
Penetrating via will have inner circumference usually; Port can extend around at least four of periphery/tri-, and preferably around (substantially) whole periphery.Have been found that and this provide more level and smooth air-flow, and also mean that chip will preferably be carried into the center of penetrating via, instead of be set to be pressed around the obvious asymmetric situation of penetrating via be resisted against on side as port.
The collection container being coupled to outlet can be there is, be entrained in and can be collected in collection container through the chip in the air of penetrating via.Collection container can comprise the sack formed by the flexible material of such as textile material, and wherein, this material allows air-flow to leave to discharge and will carry aerial chip secretly and stay from entrance.Alternately, can be can be opened with the perforation box of emptying debris or other this kind of container.
Penetrating via from vacuum inlet to exporting normally straight, or is straight at least substantially, and however, penetrating via can broaden towards outlet.The penetrating via having (substantially) straight-through means that less chip can affect the inwall of penetrating via, and longer object, such as bottle or tank, can be walked by vacuum draw and can not there is any obstruction on their paths by penetrating via.Than penetrating via, there is on the whole road leading to outlet same widths if penetrating via broadens towards outlet there is better vacuum draw performance.Such as, if the cross-sectional area of penetrating via increases by 100%, then so-called discharge loss can be almost 75%, is less than the situation that penetrating via does not broaden in exit.Usually, in the place of channel widens, the inwall of penetrating via can between 5 degree and 20 degree to the inclination angle of the central axis of penetrating via.
Penetrating via has an internal diameter and port separates the distance of at least half internal diameter or at least one internal diameter along penetrating via and vacuum inlet.Having been found that and this provide stronger vacuum power, may be because the distance between entrance and port allows the air ratio sucked directly to suck in port have more level and smooth flowing.
Connector can be included in the afterbody extended between port and vacuum inlet, and it can limit a part for penetrating via, and it is if not to extend in the length of an internal diameter of penetrating via along penetrating via, then preferably extend on the internal diameter of at least half.This afterbody has been considered to simple especially and lightweight structures, and realizes more level and smooth flowing discussed above thus.
Mounting surface can be shaped as to provide detachable joint for blast fan, such as, and bayonet lock or screws.Alternately, simple interference engagement (interferenceengagement) can be provided or be frictionally engaged, snap engagement or clamping.
Parts that connector can be bonded with each other by two and being formed by the channel component of insert and the part that limits penetrating via, insert and channel component are remained on and to be bonded with each other between parts and to limit the wall (usually being changed by direction) of port between which.Usually, insert can at the wall of outside upper limit fixed end mouth of direction change and the leading edge of channel component can form the wall of port on the inside of direction change.Channel component can limit a part for the penetrating via between port and outlet.Insert can be provided with the spacer playing and insert and channel component are separated effect, and spacer is configured as with leading edge complementary.
The parts be bonded with each other can adopt screw thread or screw engagement.Channel component can be tubular element, and wherein, penetrating via is tubulose.
According to a second aspect of the invention, provide the combination of blast fan and Vacuum connector according to a first aspect of the invention, wherein, the gas outlet of blast fan is coupled to the air inlet port of Vacuum connector.
Therefore, the blast fan be coupled in together and connector is provided.Blast fan can be the blast fan that back is installed, and it is carried at the back of user usually in the mode of knapsack.This more meets ergonomics, especially for the professional user of this kind of product than the weight of carrying existing hand-held gardens vacuum treatment device.
According to a third aspect of the invention we, provide vacuum treatment device, comprise compressed air source, there is the input air passage of the air inlet port being coupled to this source, from vacuum inlet to the penetrating via, wherein of outlet, stop in the port of input air passage in penetrating via, wherein, this port is positioned to guide air from input air passage along being flowed by the direction of penetrating via away from vacuum inlet, wherein, penetrating via has inner circumference, and wherein, this port extends around 3/4 of periphery.
Have been found that and this provide air-flow more stably, and also mean that chip will preferably be carried into the center of penetrating via, instead of be set to be pressed around the obvious asymmetric situation of penetrating via be resisted against on side as port.
Preferably, this port extends around whole periphery.
Vacuum treatment device can have above with reference to any optional feature described by the first and second aspects of the present invention.
With reference to accompanying drawing, only by way of example embodiments of the present invention are described hereinafter now, in the accompanying drawings:
Fig. 1 shows the stereogram of the Vacuum connector according to first embodiment of the invention;
Fig. 2 shows the cross section of the Vacuum connector of Fig. 1;
Fig. 3 shows the Vacuum connector of Fig. 1 that user is using;
Fig. 4 shows the cross section of the amplification of the port of the connector of Fig. 1;
The cross-sectional perspective view how connector that Fig. 5 shows Fig. 1 is formed by three moulded parts be separated;
Fig. 6 shows the simulation of the air-flow of the connector by Fig. 1;
Fig. 7 shows the exploded view of Vacuum connector second embodiment of the invention; And
Fig. 8 shows the cross-sectional perspective view of the Vacuum connector of Fig. 7.
The Vacuum connector 1 of the first embodiment of the present invention has been shown in Fig. 1 to Fig. 5.Connector 1 comprises the molded plastic body of the penetrating via 5 formed between vacuum inlet 6 and outlet 7.Penetrating via 5 is preferably cylindrical, but also can have other cross sectional shapes, such as, avette or oval.The hole of this passage is normally straight, because the air being entrained with chip through penetrating via 5, and preferably, will leave obstruction as few as possible in the path of chip.
The molded connector formed also is formed with other passage, input air passage 3.This originates in air inlet port 4 place, and has the form of pipe at this place.Inlet tube 13 is preferably cylindrical, but also can have other cross sectional shapes, such as, avette, oval, square.Input air passage 3 continues through transition portion 14 until housing 11, and housing 11 is around a part 12 for penetrating via 5.Housing 11 preferably has same shape with penetrating via 5, if that is, penetrating via 5 is cylindrical, then housing 11 is cylindrical.Further, housing 11 coaxial mode can surround part 12.In order to avoid vacuum draw loss of energy, the internal cross section A of inlet tube 13
1be less than the internal cross section A of the ring formed between the part 12 of housing 11 and penetrating via 5
2.The internal cross section A of ring
2measure in the upstream of port 8, that is, start the pre-test narrowed at input air passage 3.
The cross section of transition portion 14 between inlet tube 13 and housing 11 in increase smoothly, and by input air passage 3 from parallel but inlet tube 13 position of departing from penetrating via changes over coaxial around housing 11.Keep seamlessly transitting to improve performance by reducing turbulent flow and to keep the pressure drop of connector low, will the advantage had be set forth below.
Input air passage 3 stops in port 8, and in port, input air passage enters penetrating via 5.Along with close to port 8, the cross section of input air passage reduces, and the speed of air stream is wherein increased.Along with it is through this port, preferably, air-flow changes at least about 135 degree on direction, and the air flowing through this port is ejected in penetrating via 5 substantially in the direction of the outlet 7.Direction change is again level and smooth, and the inner surface 16 on the inner side that port changes in direction has radius of curvature r
1, this radius is greater than the width w of the outlet of port 8.Can find out in cut away view in figure 5, the port in the cross section in accompanying drawing 4 extends around the inner peripheral of penetrating via 5.
Penetrating via 5 extends away from port in the two directions; For afterbody 23, at least half inner penetrating via diameter extends towards vacuum inlet 6.Extend the same with afterbody 23 far away compared to housing 11 and part 12, the existence of afterbody 23 give also more simply and lighter structure.Outlet 7 has the fixed hook 18 for collecting bag 15.
The mounting surface 9 of the gas outlet 10 of blast fan 2 can be installed above air inlet port 4 has.This mounting surface 9 allows the detachable of blast fan and connector and the joint that can be re-engaged, and make when wanting vacuum draw to walk chip, connector 1 can be attached to blast fan 2.In the present embodiment, although can use any applicable joint remained on together by entrance 4 in outlet 10, this joint is depicted as bayonet kind and engages.
In using, air stream is provided to entrance 4 by blast fan 2.This air does not carry any chip secretly, and the fan therefore in blast fan is " cleaning " fan not needing to prevent this kind of chip in air-flow.This air through input air passage 3, and will be passed in penetrating via 5 by port 8.The structure of input air passage 3 makes air be uniformly distributed at port 8 place.
The air-flow of movement will cause partial pressure to reduce, and therefore will make the pressure drop of vacuum inlet 6 from port 8 towards the mobile air-flow of outlet 7.Thus, air will be inhaled in vacuum inlet 6.Therefore, from the air-flow that the last result of the air-flow of blast fan importing air inlet port 4 is from vacuum inlet 6 to outlet 7.
The chip 17 be arranged near vacuum inlet 6 will be entrained to air-flow, and will be carried through penetrating via 5 and be sent to outside outlet 7, and chip 17 can be collected in collecting bag 15 there.Therefore, chip not contact drum blower fan 2.
Because port 8 covers the whole periphery of penetrating via, so as the simulation of air flow in Fig. 6 of accompanying drawing can be found out, relatively steady by the air-flow of penetrating via 5.Utilize the air-flow of 0.197 Kilograms Per Second, the speed of the air-flow measured at vacuum inlet 6 place is about 20 meter per seconds, and the effect of connector is the air-flow velocity raising about 1.74 times produced by blast fan.The suction produced is enough to promote most of gardens chip (wet leaves etc.), and is even enough to pick up the beverage can of quality more than 200 grams; Therefore this suction easily can pick up 500 milliliters of empty beer cans or soda water pot.Thus, the combination of blast fan and connector can be used for clean stadium etc., and manually need not pick up rubbish.Have been found that the standard component of connector molded in current simulation does not worse than these predictions.
Blast fan 2 can be the blast fan that Backpack type is installed, and a part of weight of the combination of its permission blast fan 2 and connector 1 undertakes the back user.So only leave relatively light connector 1 and potential collecting bag 15 portable by user.This more can reduce labour intensity to greatest extent than prior art.
Discussed above is one of effect of arranging input air passage 3, and reduces the pressure drop caused by connector.This is favourable, and because the back pressure on blast fan reduces, the load therefore on blast fan reduces and its efficiency and durability improve.
Penetrating via 5 upstream continue for one section of obvious distance towards vacuum inlet 6 by afterbody 23 from port 8, the existence of penetrating via 5 is played and the air-flow by penetrating via 5 is acted on stably, and has been found that comparing the situation that there is not this extension provides enhancing and constant suction.
Fig. 5 illustrate connector and how to easily form three moulded parts be separated.First moulded parts 20 forms the penetrating via 5 in port 8 downstream, and therefore can comprise outlet 7.It is also provided with the braced wing 19 for the second moulded parts 21.Second moulded parts forms input air passage 3 and is molded on the first moulded parts 20, the second moulded parts is supported on the first moulded parts by braced wing, so that qualifying part input channel 3 in the gap between housing 11 and the first moulded parts 20.Finally, molded 3rd moulded parts 22, makes it can be arranged on the first molded item 20 and the second molded item 21, and is provided with the penetrating via 5 of port 8 upstream, and therefore comprise vacuum inlet 6.
It is desirable that the second moulded parts 21 is sealably coupled on the first moulded parts 20, make enter housing along with the air-flow from input air passage 3 and steadily flow towards port 8, and can not reverse directions and cause turbulent flow therefore hinder vacuum effect.
Fig. 7 and Fig. 8 shows connector 51 second embodiment of the invention.In this embodiment, give corresponding Reference numeral to the feature that the feature of the first embodiment described above is equal to, these Reference numerals represent with increment 50.
The function of the connector of this embodiment is identical with above-mentioned functions, the air being blown into air inlet port 54 through input air passage 53 and port 58 in penetrating via 55.This arrives make the air-flow carrying chip secretly in outlet 57 by penetrating via 55 from vacuum inlet 56.Difference between this embodiment and the first embodiment is the structure of connector 51.
Different from Fig. 5 formed by three moulded parts discussed above, the connector 51 of this embodiment is formed by following parts:
Afterbody 80, forms the penetrating via 55 of port 58 upstream;
Insert 81, forms a part for the wall of port 58;
Tubular element 82, forms channel component as above, at least forms a part for the penetrating via in port 58 downstream; And
Inlet portion 83, forms input air passage 53 and outlet 57.
Afterbody 80 and inlet portion 83 can be screwed together or otherwise be fixed to one another insert 81 and tubular element 82 to be kept between which.Insert 81 and tubular element 82 limit the wall of port 58, and wherein, tubular element 82 provides the wall curved on inside portion of the air-flow be positioned at by port 58, and insert 81 provides outer wall.
Insert 81 is provided with the blade 85 that insert 81 and tubular element 82 are separated.Blade is configured as with the curved leading edge 86 (that is, providing the leading edge of the inwall of port 58) of tubular element complementary.Therefore, the shape of blade helps to keep tubular element 82 coaxial and coaxial with inlet portion 83 with insert 81.Unless insert 81 and tubular element 82 are accurately aimed at the blade 85 making insert 81 and tubular element 82 separate, otherwise afterbody 80 can not be screwed on inlet portion 83 exactly, therefore concerning assembler, it is clearly visible that parts are not accurately aimed at.Because be clearly visible when accurately not assembling, so this can improve the accuracy of device assembling.In addition, the braced wing 19 of an embodiment is no longer needed.
In an alternate embodiment, it should be noted that insert 81 can be formed as overall, because these parts need not to be separable with afterbody 80.
Claims (21)
1. the Vacuum connector for blast fan (2) (1), comprising:
Input air passage (3), has air inlet port (4); And
Penetrating via (5), extends to outlet (7) from vacuum inlet (6),
Wherein, stop in the port (8) of described input air passage (3) in described penetrating via (5), wherein, described port (8) is positioned to guide air to flow away from described vacuum inlet (6) from described input air passage (3) along the direction through described penetrating via (5), wherein, described air inlet port (4) has mounting surface (9), to remove and the mode that can be re-engaged installs the gas outlet (10) of described blast fan (2) in described mounting surface.
2. connector according to claim 1, wherein, described input air passage (3) comprises the housing (11) of (12) at least partially around described penetrating via (5).
3. connector according to claim 2, wherein, the described part (12) of described housing (11) and described penetrating via (5) is columniform and/or coaxial.
4. according to claim 2 or connector according to claim 3, wherein, described input air passage (3) comprises the input pipe (13) between described air inlet port (4) and described housing (11).
5. connector according to claim 4, wherein, described input pipe (13) and described housing (11) have inner section area (A1, A2), the inner section area (A of described input pipe
1) be less than the inner section area (A of described housing
2), described input air passage comprises the transition portion (14) between described input pipe and described housing, and the section area that described transition portion has smoothly changes to the section area of described housing from the section area of described input pipe.
6. the connector according to the aforementioned claim of any one, wherein, described input air pipeline (3) is with the direction of the Angulation changes being greater than 90 degree by described port (8).
7. connector according to claim 6, wherein, described input air passage (3) steadily changes the direction by described port (8).
8. according to claim 6 or connector according to claim 7, wherein, the radius of curvature r that has of described port (8)
1be greater than the width w of the outlet of described port (8).
9. the connector according to the aforementioned claim of any one, wherein, described penetrating via (5) has inner circumference, and wherein, described port (8) extends around 3/4 of described periphery.
10. connector according to claim 9, wherein, described port (8) extends around whole described periphery.
11. connectors according to the aforementioned claim of any one, comprise the collection container (15) being coupled to described outlet (7).
12. connectors according to the aforementioned claim of any one, wherein, described penetrating via (5) is straight from described vacuum inlet (6) to described outlet (7) substantially.
13. connectors according to the aforementioned claim of any one, wherein, described penetrating via (5) broadens towards described outlet (7).
14. connectors according to the aforementioned claim of any one, are included in the afterbody extended between described port (8,58) and described vacuum inlet (6,56).
15. connectors according to claim 14, wherein, described afterbody limits a part for described penetrating via (5).
16. connectors according to the aforementioned claim of any one, wherein, described penetrating via (5) there is an internal diameter and described port (8) along internal diameter described in described penetrating via (5) and described vacuum inlet (6) spaced apart at least half.
17. according to being subordinated to the connector according to claim 16 of claim 14, wherein, described afterbody along described penetrating via (5,55) at least half described in internal diameter limit described penetrating via (5,55).
18. connectors according to the aforementioned claim of any one, described connector is by two parts be bonded with each other (80,83) and formed by the channel component (82) of insert (81) and the part that limits described penetrating via (55), between the described parts be bonded with each other, the wall of described port (58) is limited between the parts (80,83) be bonded with each other described in described insert (81) and described channel component (82) are maintained at.
The combination unit of 19. 1 kinds of blast fans (2) and the Vacuum connector (1) according to any aforementioned claim, wherein, the gas outlet (10) of described blast fan (2) is coupled to the described air inlet port (4) of described Vacuum connector (1).
20. 1 kinds of vacuum equipments, comprise compressed air source (2), there is the input air passage (3) of the air inlet port (4) being coupled to described source (2), the penetrating via (5) of outlet (7) is extended to from vacuum inlet (6), wherein, stop in the port (8) of described input air passage (3) in described penetrating via (5), wherein, described port (8) is positioned to guide air to flow away from described vacuum inlet (6) from described input air passage (3) along the direction by described penetrating via (5), wherein, described penetrating via (5) has inner circumference, and wherein, described port (8) extends around 3/4 of described periphery.
21. vacuum equipments according to claim 20, wherein, described port (8) extends around whole described circumference.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SE2013/050430 WO2014175789A1 (en) | 2013-04-22 | 2013-04-22 | Vacuum attachment for a blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105143557A true CN105143557A (en) | 2015-12-09 |
| CN105143557B CN105143557B (en) | 2018-06-12 |
Family
ID=51792199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380075908.2A Expired - Fee Related CN105143557B (en) | 2013-04-22 | 2013-04-22 | Vacuum connector, vacuum equipment and the purposes that air blower is converted to vacuum equipment |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20160106280A1 (en) |
| EP (1) | EP2989256A4 (en) |
| JP (1) | JP2016524671A (en) |
| CN (1) | CN105143557B (en) |
| WO (1) | WO2014175789A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084155A (en) * | 2016-02-16 | 2017-08-22 | 创科（澳门离岸商业服务）有限公司 | Blower with lateral opening |
| CN108350908A (en) * | 2016-09-21 | 2018-07-31 | 株式会社特克诺斯 | The application method in the service life of fluid guidance unit and extension vacuum pump |
| CN110528438A (en) * | 2019-09-12 | 2019-12-03 | 池杭杭 | Afforest device for clearing fallen leaves |
| CN111867915A (en) * | 2018-03-15 | 2020-10-30 | 西门子交通有限公司 | Mixer and device for air conditioning a rail vehicle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022969B (en) * | 2017-05-22 | 2019-01-11 | 王玲斌 | A kind of dust exhaust apparatus |
| CN115198684A (en) * | 2021-04-14 | 2022-10-18 | 创科无线普通合伙 | Blowing and sucking device |
| USD1003551S1 (en) * | 2023-07-06 | 2023-10-31 | Dongguan le selling Trade Co. Ltd. | Air nozzle for a leaf blower |
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- 2013-04-22 EP EP13882779.5A patent/EP2989256A4/en not_active Withdrawn
- 2013-04-22 WO PCT/SE2013/050430 patent/WO2014175789A1/en active Application Filing
- 2013-04-22 JP JP2016510648A patent/JP2016524671A/en active Pending
- 2013-04-22 CN CN201380075908.2A patent/CN105143557B/en not_active Expired - Fee Related
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084155A (en) * | 2016-02-16 | 2017-08-22 | 创科（澳门离岸商业服务）有限公司 | Blower with lateral opening |
| CN108350908A (en) * | 2016-09-21 | 2018-07-31 | 株式会社特克诺斯 | The application method in the service life of fluid guidance unit and extension vacuum pump |
| CN111867915A (en) * | 2018-03-15 | 2020-10-30 | 西门子交通有限公司 | Mixer and device for air conditioning a rail vehicle |
| CN111867915B (en) * | 2018-03-15 | 2023-01-20 | 西门子交通有限公司 | Mixer and device for air conditioning a rail vehicle |
| CN110528438A (en) * | 2019-09-12 | 2019-12-03 | 池杭杭 | Afforest device for clearing fallen leaves |
| CN110528438B (en) * | 2019-09-12 | 2020-10-16 | 永康市创威电动工具制造有限公司 | Afforestation fallen leaves cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160106280A1 (en) | 2016-04-21 |
| WO2014175789A1 (en) | 2014-10-30 |
| EP2989256A1 (en) | 2016-03-02 |
| CN105143557B (en) | 2018-06-12 |
| EP2989256A4 (en) | 2017-01-04 |
| JP2016524671A (en) | 2016-08-18 |
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