CN1281681A - Hose for electric vacuum cleaner and electric vacuum cleaner - Google Patents

Hose for electric vacuum cleaner and electric vacuum cleaner Download PDF

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Publication number
CN1281681A
CN1281681A CN00121677A CN00121677A CN1281681A CN 1281681 A CN1281681 A CN 1281681A CN 00121677 A CN00121677 A CN 00121677A CN 00121677 A CN00121677 A CN 00121677A CN 1281681 A CN1281681 A CN 1281681A
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CN
China
Prior art keywords
flexible tube
mentioned
hose
tube
deflection
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.)
Pending
Application number
CN00121677A
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Chinese (zh)
Inventor
福岛定男
齐藤和雄
中井康一
小林利造
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1281681A publication Critical patent/CN1281681A/en
Pending legal-status Critical Current

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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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/248—Parts, details or accessories of hoses or pipes
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/14—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/04—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air
    • 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
    • A47L9/08—Nozzles with means adapted for blowing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

A vacuum cleaner allowing the return of exhaust air from an electric blower built in a cleaner body to a suction implement via a hose and a pipe, with the hose capable of reducing the impairment of operability. This vacuum cleaner has a suction passage and an exhaust passage formed in a hose, a pipe and a suction implement connected to a cleaner body in which an electric blower is built, and an exhaust passage serving for returning exhaust air from the electric blower. The hose consists of an outside hose and an inside hose to form the exhaust passage and the suction passage, and a long member is wound on the outside hose and the inside hose to form a tubular flexible hose which provides more flexibility for the inside hose than for the outside hose.

Description

Hose for electric vacuum cleaner and electric dust collector
The present invention relates to a kind of electric dust collector, relate in particular to the exhaust of discharging, be situated between and reflux in the electric dust collector and the flexible pipe of exhaust gas recirculation (circulation) formula of suction fitting etc. by flexible pipe and hard tube with by the electric blowing machine that is built in body of dust collector.
The electric dust collector of general floor mobile model, be that the exhaust that will be discharged by the electric blowing machine that is built in body of dust collector is all discharged outside by the exhaust outlet that is formed at body rear side etc., but because the exhaust that electric blowing machine produced is all discharged, so exhaust is blown out toward the outside with great wind.Therefore the problem that takes place this exhaust wind that stagnant dust on ground or carpet is blown afloat and be spread in the interior space.
So blow out outside exhaust in order to reduce, or the purpose of lifting dust collecting effect, the real public clear 39-36553 communique of Japan is for example arranged or specially open the scheme that flat 9-135795 communique etc. is disclosed, proposed be linked to the flexible pipe of body of dust collector, hard tube and suction fitting, when forming air-breathing stream, the electric dust collector of part or all exhaust flow path that refluxes of the exhaust that formation will be discharged by electric blowing machine.
Yet above-mentioned electric dust collector constitutes double-layer structural with flexible pipe and hard tube, forms air-breathing stream in the inboard and forms exhaust flow path in the outside, but there is no any consideration for the concrete structure of flexible pipe.
And above-mentioned electric dust collector system makes duplex with flexible pipe and hard tube, and consequently forming flexible pipe is difficult to deflection and the not good shortcoming of operability of flexible pipe.
The object of the present invention is to provide a kind of electric dust collector of flexible pipe of the deterioration with reduction operation, will be situated between from the exhaust that the electric blowing machine that is built in body of dust collector is discharged be back to suction fitting etc. by flexible pipe and hard tube etc.
For solving first scheme of above-mentioned problem, be that hose for electric vacuum cleaner is made to being made of outer flexible tube and inner flexible tube, each flexible pipe is reeled by long member and the junction surface is engaged the flexible hose that forms tubulose, and above-mentioned inner flexible tube formed than outer flexible tube is easier to deflection.
Among for first scheme that solves above-mentioned problem, best above-mentioned inner flexible tube forms with the material that is easier to deflection than outer flexible tube.
Among for first scheme that solves above-mentioned problem, preferably use with the thickness of the attachment at the junction surface that engages above-mentioned inner flexible tube thinner than thickness in order to the attachment at the junction surface that engages outer flexible tube.
Among for first scheme that solves above-mentioned problem, the thickness of member of length that preferably constitutes above-mentioned inner flexible tube is thinner than the thickness of the member of the length that constitutes outer flexible tube.
Among for first scheme that solves above-mentioned problem, the width of member of length that preferably constitutes above-mentioned inner flexible tube is narrower than the width of the member of the length that constitutes outer flexible tube.
The alternative plan that solves above-mentioned problem provides a kind of electric dust collector, in being linked to, keep electric blowing machine body of dust collector flexible pipe and link hard tube and suction fitting forms air-breathing stream and the exhaust flow path of the exhaust gas recirculation of being discharged by electric blowing machine is formed, above-mentioned flexible pipe is made of to form exhaust flow path and air-breathing stream outer flexible tube and inner flexible tube, and, above-mentioned each flexible pipe uses by long member and reels and the junction surface engaged and forms the flexible hose of tubulose, and above-mentioned inner flexible tube formation is easier to deflection than outer flexible tube.
Among for the alternative plan that solves above-mentioned problem, best above-mentioned inner flexible tube forms with the material that is easier to deflection than outer flexible tube.
Among for the alternative plan that solves above-mentioned problem, preferably use with the thickness of the attachment at the junction surface that engages above-mentioned inner flexible tube thinner than thickness in order to the attachment at the junction surface that engages outer flexible tube.
Among for the alternative plan that solves above-mentioned problem, the thickness of member of length that preferably constitutes above-mentioned inner flexible tube is thinner than the thickness of the member of the length that constitutes outer flexible tube.
Among for the alternative plan that solves above-mentioned problem, the width of member of length that preferably constitutes above-mentioned inner flexible tube is narrower than the width of the member of the length that constitutes outer flexible tube.
Brief description of drawings is as follows:
Fig. 1 is the integrally-built side sectional view that shows electric dust collector of the present invention, wherein omits the part midway of flexible pipe;
Fig. 2 is the amplification view of the body part of this electric dust collector;
Fig. 3 is the amplification view of state that flexible pipe is connected in the base side hose transition of this electric dust collector;
Fig. 4 is among Fig. 3, omits the cutaway view of the state of flexible pipe;
Fig. 5 is the side view that the part of the flexible pipe of this electric dust collector is cut open;
Fig. 6 is among Fig. 5, the side view that the part of outer flexible tube is cut open;
Fig. 7 is among Fig. 5, the side view that the part of inner flexible tube is cut open;
Fig. 8 is the cutaway view of the handle portion of this electric dust collector.
Fig. 1 to Fig. 8 shows one embodiment of the invention, below is illustrated according to these accompanying drawings.
Among the figure, label 1 is a body of dust collector, as shown in Fig. 2, is made of top box 2 and nowel 3 and dust collection cover 4.The place ahead of body of dust collector 1 is formed with the flexible pipe connector 5 that connects base side hose transition 17 described later, and rear side is formed with slot-shaped steam vent 6.Bottom in this body of dust collector 1 is formed with the interior upper space of body of dust collector 1 by spaced walls 7 and to separate, and is formed with the exhaust flow path B1 that is communicated with above-mentioned flexible pipe connector 5, and the outside exhaust flow path C that is communicated with above-mentioned steam vent 6.Uprightly be provided with on the spaced walls 7 space region with spaced walls 7 tops be divided into before and after the chamber separate wall 8.
Label 9 is the dust storage chambers that are formed at the place ahead in above-mentioned interval next door 8, its place ahead with the concentric circles of above-mentioned flexible pipe connector 5 on be formed with flexible pipe and insert a mouthful 9a.In this dust storage chamber 9, can load and unload and contain the dust bag install bin 11 that dust bag 10 loading and unloading can be fixed freely freely, and under the state that device is finished, make the flexible pipe insertion mouthful 9a of the peristome of dust bag 10 towards above-mentioned dust storage chamber 9.
Label 12 is positioned at the position at the rear of above-mentioned dust bag 10 for to be installed on the above-mentioned micronic filter that separates wall 8, to remove fine dust.
Label 13 is to be formed at the above-mentioned electric blowing machine reception room that separates wall 8 rears, and its inside contains electric blowing machine 14.The below of this electric blowing machine reception room 13 is formed with opening 13a, to be communicated with electric blowing machine reception room 13 and above-mentioned exhaust flow path B1 and outside exhaust flow path C, and because the driving of electric blowing machine 14, the exhaust of being discharged by electric blowing machine 14, give and shunting by the rib 15 that uprightly is arranged at nowel 3, a part imports flexible pipe connector 5 sides by above-mentioned opening 13a through above-mentioned exhaust flow path B1, another part then by above-mentioned opening 13a through outside exhaust flow path C, and the discharge filter through being located at steam vent 6 16 and discharging outside body of dust collector 1 by steam vent 6.
Label 17 is to be connected in flexible pipe 21 described later and the base side hose transition that is installed on flexible pipe connector 5, be as shown in Figures 3 and 4, form the interior hard tube 19 of one by outer hard tube 18 cylindraceous and with this outer hard tube 18 with a plurality of ribs 19a and the duplex that constitutes.
Be connected and installed in flexible pipe connector 5 one distolateral of above-mentioned outer hard tube 18, be formed with in order to card only be located at flexible pipe connector 5 by the card claw stop 18a of fastener 5a, another is distolateral then to be tilted with the external fin 18b that is bolt shape for tube axial direction.
It is longer that hard tube 19 will be installed and connected in a distolateral outer hard tube 18 that makes of flexible pipe connector 5 in above-mentioned, protrudes in the dust storage chamber 9 so that a mouth 9a is inserted by flexible pipe in this end.And another distolateral outer hard tube 18 that also makes is longer, and its outer circumferential side then is formed with and the external fin 18b of outer hard tube 18 favours equidirectional internal-rib 19b.Among the figure, label 20 is the cylindric lids that are set as in order to connection flexible pipe 21 sides that cover base side hose transition 17.
Above-mentioned base side hose transition 17 is by being limited to above-mentioned card claw stop 18a the flexible pipe connector 5 of above-mentioned body of dust collector 1, the interior hard tube 19 of above-mentioned base side hose transition 17 is protruded in the above-mentioned dust storage chamber 9 and with dust storage chamber 9 in are communicated with, and promptly become inspiratory flow road A2 in the interior hard tube 19.And the exhaust flow path B1 in outer hard tube 18 and the body of dust collector 1 is communicated with, and promptly becomes exhaust flow path B2 between outer hard tube 18 and the interior hard tube 19.
Label 21 is the flexible pipes that are installed and connected in base side hose transition 17 and hose transition described later 27, as shown in Figure 5, constitutes by outer flexible tube 22 and inner flexible tube 23 formed duplexs.
Above-mentioned outer flexible tube 22 as shown in Figure 6, to be wound into helical form by the member of the made length of polystyrene synthetic rubber (elastomer), and with the junction surface 22a of the width end of long member, engage the formation tubulose with the made cement of polypropylene, and in the substantial middle portion of the width of this junction surface 22a and long member, each forms spiral helicine prominent bar 22b and 22c.And electric conductivity winding wire 22d as holding wire is housed, and in prominent bar 22c, the winding wire 22e with conformality is housed in this prominent bar 22b.Utilize the winding wire 22d of outer flexible tube 22 and intensity that 22e makes flexible pipe 21 to obtain to guarantee.In addition, this outer flexible tube is made with translucent material.
On the other hand, inner flexible tube 23 as shown in Figure 7, identical with outer flexible tube, make with the polystyrene synthetic rubber, to be wound into helical form than the member of the length of outer flexible tube 22 thin thickness, and with the junction surface 23a of the width end of long member, form tubulose thereby engage with the made cement of polypropylene, and in the substantial middle portion of the width of this junction surface 23a and long member, each forms spiral helicine prominent bar 23b and 23c.
In addition, above-mentioned inner flexible tube 23 is opaque by forming at polystyrene synthetic rubber interpolation colouring agent, and formation can see through the structure that outer flexible tube 22 be seen inner flexible tube.
When this flexible pipe 21 is installed, at first, make the coiling direction of inner flexible tube 23 and base side hose transition 17 internal-rib 19b be formed slopely equidirectionally, then inner flexible tube 23 is screwed within the internal-rib 19b.At this moment, since outstanding in order to a distolateral outer hard tube 18 of the interior hard tube 19 that connects flexible pipe 21, can install so earlier inner flexible tube is hooked insertion then at this ledge.Thereby, the installation ease of connection of inner flexible tube 23.
Secondly, the situation that connects inner flexible tube 23 is identical with installing, make the coiling direction of outer flexible tube 22 and base side hose transition 17 external fin 18b be formed slopely equidirectionally, then outer flexible tube 22 is screwed within the external fin 18b, then flexible pipe 21 connects for the installation of base side hose transition 17 and promptly finishes.
At this moment, be communicated with the air-breathing stream A2 of base side hose transition 17 in the inner flexible tube 23, become air-breathing stream A3, outer flexible tube 22 then is communicated with the exhaust flow path B2 of base side hose transition 17 with space between the inner flexible tube 23 and becomes exhaust flow path B3 on the other hand.
The coiling direction of the coiling direction of inner flexible tube 23 and outer flexible tube 22 is an equidirectional, so inner flexible tube 23 and outer flexible tube 22 is easily identical by the direction of deflection or the direction easily reversed.Thereby, in the use of body of dust collector 1, flexible pipe 21 is reversed or during by deflection, outer flexible tube 22 and inner flexible tube 23 will be followed each other and be reversed or deflection, so outer flexible tube 22 and inner flexible tube 23 for separately reverse or deflection is unlikely to be mutually and is resistance, and can guarantee the compliance of flexible pipe 21.
Label 24 is the distolateral flexible pipes 21 that are connected in, and another distolateral handle portion that is equiped with connection hard tube 32 described later is constituted with distolateral flexible pipe 21 another the distolateral hose transitions 27 that are installed on handle portion 35 that are connected by the handle portion 35 that connects hard tube 32 is installed.
Above-mentioned hose transition 27 is for forming the duplex that the interior hard tube 29 of one is constituted by outer hard tube 28 cylindraceous and with hard tube 28 in addition with ribs 29a, and is provided with lid 31, with the end of covering connection flexible pipe 21.
The periphery of above-mentioned outer hard tube 28 and interior hard tube 29 respectively is formed with and the external fin 18b of above-mentioned base side hose transition 17 and the external fin 28a and the internal-rib 29a of internal-rib 19b same tilt, forms the structure that the outer flexible tube 22 and the inner flexible tube 23 of flexible pipe 21 can be loaded onto toward the equidirectional rotation.Thereby assembling work is simple and easy.
So outer hard tube 28 is communicated with the exhaust flow path B3 of flexible pipe 21 with space between the interior hard tube 29, becomes exhaust flow path B4.And interior hard tube 29 air-breathing stream A3 interior and in the flexible pipe 21 are communicated with, and become air-breathing stream A4.
Above-mentioned handle portion 35 is by the tube 25 that is the ヘ word shape, and extends in the handle 26 of tube 25 tops and constitute, and be formed with the installing port 25a that connects hard tube 32 is installed, and is provided with clamper 25b on the top of installing port 25a.And inside is formed with and is communicated with installing port 25a and with the cylindrical portion 30 that insert hard tube 29 ends in above-mentioned, with being communicated with the air-breathing stream A4 of interior hard tube 29 in this cylindrical portion 30, becomes air-breathing stream A5; And the space between the gabarit of the outside of cylindrical portion 30 and handle portion 24 is communicated with outer hard tube 28 formed exhaust flow path B4 with interior hard tube 29, become exhaust flow path B5.
Label 32 is the connection hard tube that is limited to clamper 25b and is installed on the installing port 25a of handle portion 24, forms by connecting 2 hard tube 32a.This connects that hard tube 32 forms off-centre by the slightly rounded 32b of outer cylindrical portion of section and with the 32b of this outer cylindrical portion and top and the 32b of this outer cylindrical portion form the 32c of inner cylindrical portion of one and constituted, and forms half moon-shaped space by 32c of inner cylindrical portion and the 32b of outer cylindrical portion.When this connection hard tube 32 is installed on handle portion 24, the 32c of inner cylindrical portion is communicated with the air-breathing stream A5 of handle portion 24 and forms air-breathing stream A6 in inside, and then be communicated with between 32b of outer cylindrical portion and the 32c of inner cylindrical portion, and form exhaust flow path B6 with the exhaust flow path B5 of handle portion 24.
Exhaust by above-mentioned exhaust flow path B6 is a cleaned air of removing dust through the dust bag 10 or the micronic filter 12 of body of dust collector 1, so present embodiment is conceived to need not to consider inner cylindrical portion 32 and is stopped up by dust and make circular section this point, roughly be crescent and as mentioned above above-mentioned exhaust flow path B6 is formed section, the 32b of outer cylindrical portion then forms the section circular.
Label 33 is to be connected in the suction fitting that connects hard tube 32, and it is the duplex of concentric circles with the joint 33a, the 33b that are connected hard tube 32 connections, and with the above-mentioned chimeric part of hard tube 32 that is connected, be identical shape then with connection hard tube 32.
The electric dust collector of Gou Chenging in use, utilizes the attraction of electric blowing machine 14 as mentioned above, the air that is mixed with dust that is sucked by suction fitting 33, and through connecting the air-breathing stream A5 of hard tube 32, the air-breathing stream A3 of flexible pipe 21, and enter in the body of dust collector 1.In body of dust collector 1, remove the air that purifies through micronic filter 12 again behind the dust by dust bag 10 earlier and attracted, and cool off this electric blowing machine 14 by electric blowing machine 14.
Then, the part of the exhaust of being discharged by electric blowing machine 14 is discharged in the outside by the steam vent 6 of body of dust collector 1, all the other then by the exhaust flow path B1 of body of dust collector 1 through exhaust flow path 3.At this moment, because of the prominent bar 22b of outer flexible tube 22 and the direction of 22c and the prominent bar 23b of inner flexible tube 23 and the direction of 23c are formed at equidirectional, so, prominent bar 23b and 23c lower for the circulating resistance of the air of stream between outer flexible tube 22 and inner flexible tube 23, can be suppressed at the interior circulation loss of exhaust flow path B3 of flexible pipe 21.
To flexible pipe 21, in the dust catcher operation, external force acts on tube axial direction, or mistake trample on to be waited so that had the strength of flexible pipe 21 flattenings is done the time spent, and this strength will be born by outer flexible tube 22, adds all in inner flexible tube 23 so be unlikely dysgenic strength, and, to make the thickness of member of the length that constitutes outer flexible tube 22 thinner even will constitute the thickness of member of the length of inner flexible tube 23, make inner flexible tube 23 be easier to deflection than outer flexible tube 22, also can not make inner flexible tube 23 breakages.
And, being easy to deflection by making inner flexible tube 23, the strength of deflection inner flexible tube 23 lowers, and deflection flexible pipe 21 all strength lower thereupon, so can lower the deterioration of the operability of flexible pipe 21.
Exhaust after the exhaust flow path B3 by flexible pipe 21, the exhaust flow path B6 through connecting hard tube 32 and refluxing in suction fitting 33 and rolls up the dust that blows afloat with this exhaust wind, be recycled to the air-breathing stream A6 of connection hard tube 32.
As mentioned above, reflux, blow out outside exhaust wind and reduce and die down, so can suppress effectively that dust fills the air among space air in the dust suction operation by a part that makes exhaust.
In the above-described embodiments, be that to make the thickness of the member of the length that constitutes inner flexible tube 23 make the thickness of member of the length that constitutes outer flexible tube 22 thinner, so that inner flexible tube 23 is easier to deflection, but, it is narrower to make the width of the member of the length that constitutes inner flexible tube 23 make the width of member of the length that constitutes outer flexible tube 22, between making between the 23a of junction surface every shortening so that inner flexible tube 23 be easier to deflection also can, and so formation also can obtain action effect same as the previously described embodiments.
And, in the above-described embodiments, it is thinner to make the thickness of the member of the length that constitutes inner flexible tube 23 make the thickness of the long material that constitutes outer flexible tube 22, so that inner flexible tube 23 is easier to deflection, but it is thinner that the thickness that makes the prominent bar 23b (attachment) at the junction surface that engages inner flexible tube 23 makes the thickness of prominent bar 22b (attachment) at the junction surface that engages outer flexible tube 22, so that inner flexible tube 23 be easier to deflection also can, and so formation also can obtain action effect same as the previously described embodiments.
Flexible pipe 21 is generally made with vinyl chloride.But can produce when burning disposal for environment dioxane between dysgenic 6-acetate-2,4 dimethyl is arranged, so consider environmental problem in the foregoing description, outer flexible tube 22 all adopts the polystyrene synthetic rubber with inner flexible tube 23.
For make inner flexible tube 23 than outer flexible tube 22 for being easier to deflection, outer flexible tube 22 is made with the polystyrene synthetic rubber, inner flexible tube 23 is then to be easier to the material of deflection than outer flexible tube 22, for example make with the olefin-based synthetic rubber, so that being easier to deflection, inner flexible tube 23 also can, and, adopt this formation still can obtain action effect same as the previously described embodiments.
Moreover flexible pipe 21 employed materials are easy to deflection as long as be used in the material that the material of inner flexible tube 23 is used in outer flexible tube 22, so that being easier to deflection, inner flexible tube 23 gets final product, and be not only to be defined in the employed synthetic rubber of present embodiment.
By the structure of first aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, be easy to deflection even inner flexible tube formed than outer flexible tube, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
By the structure of second aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even inner flexible tube is made with the material that is easy to deflection than outer flexible tube, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
Structure by third aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, form the thickness of attachment at the junction surface engage outer flexible tube for thin even will engage the thickness of attachment at the junction surface of inner flexible tube, so that inner flexible tube is easy to deflection, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
Structure by fourth aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even will constituting the thickness of member of the length of inner flexible tube, to make the thickness of member of the length that constitutes outer flexible tube thinner, so that inner flexible tube is easy to deflection, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
Structure by fifth aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even will constituting the width of member of the length of inner flexible tube, to make the width of member of the length that constitutes outer flexible tube narrow, so that inner flexible tube is easy to deflection, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
By the structure of sixth aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even inner flexible tube is formed than outer flexible tube to being easy to deflection, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
By the structure of seventh aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even inner flexible tube is made with the material that is easy to deflection than outer flexible tube, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
Structure by eighth aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even will engaging the thickness of attachment at the junction surface of inner flexible tube, to make the thickness of attachment at the junction surface that engages outer flexible tube thinner, so that inner flexible tube is easy to deflection, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
Structure by ninth aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even will constituting the thickness of member of the length of inner flexible tube, to form the thickness of member of the length constitute outer flexible tube thinner, so that inner flexible tube is easy to deflection, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.
Structure by tenth aspect present invention, when then having external strength to add all flexible pipes, bear this strength by outer flexible tube, do not add all inner flexible tubes so have dysgenic strength, even will constituting the width of member of the length of inner flexible tube, to make the width of member of the length that constitutes outer flexible tube narrow, so that inner flexible tube is easy to deflection, also can not make the inner flexible tube breakage.
And owing to make inner flexible tube be easy to deflection, so the required strength of deflection flexible pipe promptly reduces the strength that is easy to the deal of deflection because of inner flexible tube, and acquisition can be lowered the effects such as deterioration of the operability of flexible pipe.

Claims (10)

1. a hose for electric vacuum cleaner is made of outer flexible tube and inner flexible tube, and each flexible pipe be is characterized in that by constituting with member coiling of growing and the flexible hose that the junction surface joint is formed tubulose, above-mentioned inner flexible tube is made than outer flexible tube be easy to deflection.
2. hose for electric vacuum cleaner as claimed in claim 1 is characterized in that, above-mentioned inner flexible tube forms with the material that is easy to deflection than outer flexible tube.
3. hose for electric vacuum cleaner as claimed in claim 1 is characterized in that, the thickness of attachment that engages the junction surface of above-mentioned inner flexible tube forms the thin thickness of the attachment at the junction surface engage above-mentioned outer flexible tube.
4. hose for electric vacuum cleaner as claimed in claim 1 is characterized in that, the thickness of member that constitutes the length of above-mentioned inner flexible tube forms the thin thickness of the member of the length constitute above-mentioned outer flexible tube.
5. hose for electric vacuum cleaner as claimed in claim 1 is characterized in that, it is narrow that the width of member that constitutes the length of above-mentioned inner flexible tube forms the width of member of the length constitute above-mentioned outer flexible tube.
6. electric dust collector, in being connected in, keep the body of dust collector of electric blowing machine flexible pipe, connect the exhaust flow path that hard tube and suction fitting form air-breathing stream and make the exhaust gas recirculation that electric blowing machine discharges, it is characterized in that, above-mentioned flexible pipe is made of outer flexible tube and inner flexible tube and forms exhaust flow path and air-breathing stream, and, above-mentioned each flexible pipe uses by long member and reels and the junction surface engaged and forms the flexible hose of tubulose, and makes the more above-mentioned outer flexible tube of above-mentioned inner flexible tube formation be easy to deflection.
7. electric dust collector as claimed in claim 6 is characterized in that, above-mentioned inner flexible tube forms with the material that more above-mentioned outer flexible tube is easy to deflection.
8. electric dust collector as claimed in claim 6 is characterized in that, the thickness of attachment that engages the junction surface of above-mentioned inner flexible tube forms the thin thickness of the attachment at the junction surface engage above-mentioned outer flexible tube.
9. electric dust collector as claimed in claim 6 is characterized in that, the thickness of member that constitutes the length of above-mentioned inner flexible tube forms the thin thickness of the member of the length constitute above-mentioned outer flexible tube.
10. electric dust collector as claimed in claim 6 is characterized in that, it is narrow that the width of member that constitutes the length of above-mentioned inner flexible tube forms the width of member of the length constitute above-mentioned outer flexible tube.
CN00121677A 1999-07-23 2000-07-24 Hose for electric vacuum cleaner and electric vacuum cleaner Pending CN1281681A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11209431A JP2001029292A (en) 1999-07-23 1999-07-23 Hose for vacuum cleaner and vacuum cleaner
JP209431/1999 1999-07-23

Publications (1)

Publication Number Publication Date
CN1281681A true CN1281681A (en) 2001-01-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN00121677A Pending CN1281681A (en) 1999-07-23 2000-07-24 Hose for electric vacuum cleaner and electric vacuum cleaner

Country Status (4)

Country Link
JP (1) JP2001029292A (en)
KR (1) KR100346655B1 (en)
CN (1) CN1281681A (en)
TW (1) TW527909U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103154375A (en) * 2010-09-20 2013-06-12 佩朗股份有限公司 Hand-held electric blower
CN110891467A (en) * 2017-07-31 2020-03-17 夏普株式会社 Connection hose for electric vacuum cleaner and electric vacuum cleaner having the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103154375A (en) * 2010-09-20 2013-06-12 佩朗股份有限公司 Hand-held electric blower
CN103154375B (en) * 2010-09-20 2015-05-27 佩朗股份有限公司 Hand-held electric blower
CN110891467A (en) * 2017-07-31 2020-03-17 夏普株式会社 Connection hose for electric vacuum cleaner and electric vacuum cleaner having the same

Also Published As

Publication number Publication date
KR100346655B1 (en) 2002-07-27
JP2001029292A (en) 2001-02-06
KR20010049845A (en) 2001-06-15
TW527909U (en) 2003-04-11

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