CN1158236A - Hose of electric duster and it mfg. method - Google Patents

Hose of electric duster and it mfg. method Download PDF

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Publication number
CN1158236A
CN1158236A CN96109408A CN96109408A CN1158236A CN 1158236 A CN1158236 A CN 1158236A CN 96109408 A CN96109408 A CN 96109408A CN 96109408 A CN96109408 A CN 96109408A CN 1158236 A CN1158236 A CN 1158236A
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CN
China
Prior art keywords
hose
mentioned
flexible hose
flexible
vacuum cleaner
Prior art date
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Granted
Application number
CN96109408A
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Chinese (zh)
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CN1108141C (en
Inventor
杂古昭彦
齐藤和雄
樋口秀一
西泽满
佐藤敬一
藤吉俊行
小林利造
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Filing date
Publication date
Priority claimed from JP22457395A external-priority patent/JP3685529B2/en
Priority claimed from JP22457495A external-priority patent/JP3691126B2/en
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1158236A publication Critical patent/CN1158236A/en
Application granted granted Critical
Publication of CN1108141C publication Critical patent/CN1108141C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24Hoses or pipes; Hose or pipe couplings
    • A47L9/242Hose or pipe couplings
    • A47L9/244Hose or pipe couplings for telescopic or extensible hoses or pipes

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

Abstract

The invention provides a flexible hose, which is made in the following way. A wire burying part and a concavo and convex strip part are formed into a twist shape through the extrusion molding of resin material, with both ends embeddedly connected with the main body side and the hand and head side respectively after heat treatment and fusion reshaping. As gutters on the internal surface of the flexible hose on the hose end is flattened, the sealing performance of joint parts of the hose is improved.

Description

Hose for electric vacuum cleaner and manufacture method thereof
The present invention relates to rabbet flexible hose hose coupling portion structure and with the improved connection structure of flexible hose and hose coupling portion hose for electric vacuum cleaner and manufacture method thereof.
As shown in figure 11, general, electric dust collector is flexible pipe 2 and prolongs and manage 3 and be connected on the body 1, suitably installs dust suction articles for use 4 such as floor cleaner brush again at leading section and constitutes.The flexible pipe 2 that electric dust collector is used then is to connect respectively at the both ends of flexible hose 5 and to constitute with the air entry 6 clutches ground of body 1 base side hose coupling portion 7 of rabbeting and the hose coupling of the side at hand portion 8 that is connected prolongation pipe 3.
Flexible hose 5 in the past is that electric wire 9 and the steel wire 10 that will coat insulating barrier is wound into helical form together as shown in figure 12, coats with the such flexible material of Corvic 11 and constitutes.And with the fixing hose coupling of this flexible hose 5 interlockings, for example the structure of base side hose coupling portion 7 then is as shown in Figure 13, and only the suitable position in interlocking face periphery forms jut 12, and flexible hose 5 can not come off.And, as shown in figure 14, connect to rabbet after the adhesive-applying on the outer peripheral face of side pipe end at the flexible pipe of base side hose coupling portion 7 and tighten up flexible hose 5, utilize flange 13,14 that loam cake 15 is installed, operation button 17 has to be used for making with the base side hose coupling portion 7 of air entry 6 interlockings of body 1 combine or takes off fastens pawl 16, should operate to detain 17 and be installed to installation portion 19 and formation flexible pipe 2 ends.
Like this, because former hose for electric vacuum cleaner 2 is that electric wire 9 and steel wire 10 are wound into helical form together, cover the flexible hose 5 of going up the such flexible material 11 of Corvic thereon again and constitute, thereby just easily flexible hose 5 chimeric being fixed in the base side hose coupling portion 7, but because flexible hose is in case distortion reverts to original state with regard to difficulty, thus not only outward appearance ugly, make that suction reduces, the easy blocking problem of dust in addition.
In order to improve this structure, known solutions is the helical form polyethylene pipe formation flexible hose 5 with electric wire and the concavo-convex groove of formation, and it is the hose for electric vacuum cleaner 2 without steel wire.
But, have in use under the occasion of flexible hose 5 of this tongue and groove, owing to be installed to base side hose coupling portion 7 and be connected the area minimizing during tube end of side hose coupling portion 8 at hand, thereby just come off easily and extraneous air can invade in the pipe by this tongue and groove, like this, also can not receive due effect even improve the attraction of body 1, can not adapt in recent years high-power requirement electric dust collector.
The present invention makes in order to solve the above problems, and its objective is provides a kind of sealing property of the connecting portion to flexible hose and hose coupling portion to carry out improved hose for electric vacuum cleaner and manufacture method thereof.
The described hose for electric vacuum cleaner of the present invention of claim 1, it forms hose coupling portion with chimeric connection of the end of flexible hose, it is characterized in that: be connected with above-mentioned hose coupling portion is chimeric after the end fusion shaping of above-mentioned flexible hose.
The described hose for electric vacuum cleaner of the present invention of claim 2, it forms hose coupling portion with chimeric connection of the end of flexible hose, it is characterized in that: above-mentioned flexible hose is to form recessed convex strip portions with the resin material helically, and is connected with above-mentioned hose coupling portion is chimeric after with its end fusion shaping with heat-treating methods.
The manufacture method of the described hose for electric vacuum cleaner of the present invention of claim 3, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, form band by extrusion modling with continuous recessed convex strip portions; In bonding mutually the marginal portion of this band, be wound into helical form, form the spiral flexible pipe that specific length is arranged of recessed convex strip portions; By end heat fusing with this pipe, recessed convex strip portions is disappeared after, chimeric being fixed on the above-mentioned hose coupling.
The manufacture method of the described hose for electric vacuum cleaner of the present invention of claim 4, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, form band by extrusion modling with continuous recessed convex strip portions; In bonding mutually the marginal portion of this band, be wound into helical form, form the spiral pipe that specific length is arranged of recessed convex strip portions; By the end with this pipe be fitted to the flange part bigger than above-mentioned caliber, with the electric heating body of aforementioned tube end tabling on, make the end heat fusing of aforementioned tube, the recessed convex strip portions of aforementioned tube end is disappeared after, chimeric being fixed on the above-mentioned hose coupling.
The described hose for electric vacuum cleaner of the present invention of claim 5, it forms hose coupling portion with chimeric connection of the end of flexible hose, it is characterized in that: the end of above-mentioned flexible hose is by elastic component and/or bonding agent and chimeric being fixed in the hose coupling portion.
The described hose for electric vacuum cleaner of the present invention of claim 6 is characterized in that: on the basis of the described structure of claim 5, outer peripheral face forms the flange part that contacts with above-mentioned flexible hose end in above-mentioned hose coupling portion.
The described hose for electric vacuum cleaner of the present invention of claim 7, it is characterized in that: on the basis of the described structure of claim 5, form bonding agent at the root of the above-mentioned flexible hose side of the above-mentioned flange part of formation of above-mentioned hose coupling portion outer peripheral face and accumulate recess.
The manufacture method of the described hose for electric vacuum cleaner of the present invention of claim 8, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, form the concavo-convex band of having buried electric wire underground by extrusion modling continuously; In bonding mutually the marginal portion of this band, be wound into helical form, form and make electric wire and the concavo-convex spiral flexible hose that specific length is arranged of ditch; With the end difference heat fusing of this flexible hose, make the concavo-convex ditch disappearance at above-mentioned flexible hose both ends and roughly form flat; On the other hand, on the end outer peripheral face of above-mentioned hose coupling portion, form discretely and be used for fixing projection above-mentioned flexible hose, that tilt along the ditch that on above-mentioned flexible hose inner surface, forms, and the flange part that contacts with above-mentioned flexible hose end face of formation; Chimeric with above-mentioned flexible hose behind adhesive-applying on the outer peripheral face of above-mentioned end, make this hose end and above-mentioned flange part mutually ground connection fix.
The manufacture method of the described hose for electric vacuum cleaner of the present invention of claim 9, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, by extrusion modling form continuously bury electric wire underground concavo-convex band; In bonding mutually the marginal portion of this band, be wound into helical form, form and make electric wire and the concavo-convex spiral flexible hose that specific length is arranged of ditch; With the end difference heat fusing of this flexible hose, make the concavo-convex ditch disappearance at above-mentioned flexible hose both ends and roughly form flat; On the other hand, on the end outer peripheral face of above-mentioned hose coupling portion, form discretely and be used for fixing projection above-mentioned flexible hose, that tilt along the ditch that on above-mentioned flexible hose inner surface, forms, and the flange part that contacts with above-mentioned flexible hose end face of formation; After the flexible pipe that soft elastomer is bonded to this flange part connects on the side, chimeric with above-mentioned flexible hose again, make this hose end by above-mentioned elastomer and above-mentioned flange edge portion mutually ground connection fix.
Fig. 1 is used for illustrating the structure of flexible hose part of hose for electric vacuum cleaner of the present invention and the schematic diagram of manufacture method thereof,
Fig. 2 is the schematic diagram of the flexible hose part of expression hose for electric vacuum cleaner of the present invention,
Fig. 3 is the schematic diagram of the base side hose coupling portion of explanation hose for electric vacuum cleaner of the present invention, and wherein (A) is that top view, (B) are side views, (C) is the positive portion enlarged drawing of (A),
Fig. 4 is the flexible hose portion of expression hose for electric vacuum cleaner of the present invention and the sectional drawing of the bound fraction between base side hose coupling portion,
Fig. 5 is the flexible hose portion of expression hose for electric vacuum cleaner of the present invention and the top view of the bound fraction between base side hose coupling portion,
Fig. 6 is the schematic partial sectional view of the another kind of configuration example of expression flexible hose portion of hose for electric vacuum cleaner of the present invention and the bound fraction between base side hose coupling portion,
Fig. 7 is the schematic diagram of explanation extension hose for electric suction cleaner of the present invention, and wherein (A) is its top view, (B) is side view, (C) is the top view that expression takes down the state after distribution covers,
Fig. 8 is the connection end amplification vertical view of expression extension hose for electric suction cleaner of the present invention,
Fig. 9 is the sectional drawing of obtaining along the A-A line of Fig. 8,
Figure 10 is the schematic diagram of the socket of explanation connecting pin, is that top view, (B) are the sectional drawings of obtaining along the B-B line (A),
Figure 11 is the outside drawing of the structure of the general electric dust collector of explanation,
Figure 12 is the flexible hose biopsy cavity marker devices schematic diagram partly of the hose for electric vacuum cleaner of explanation prior art,
Figure 13 is the side view of base side hose coupling portion of the hose for electric vacuum cleaner of explanation prior art,
Figure 14 is the flexible hose portion of hose for electric vacuum cleaner of expression prior art and the sectional drawing of the bound fraction between base side hose coupling portion.
Below, with reference to accompanying drawing hose for electric vacuum cleaner of the present invention and manufacture method thereof are described.
Fig. 1 represents an embodiment of hose for electric vacuum cleaner of the present invention, the recessed convex strip portions that the flexible hose 31 of formation hose for electric vacuum cleaner makes electric wire 32 and inner surface form ditch 33 forms spirally on the pitch tube of polyethylene system and constitutes, and this flexible hose 31 is made as described below.
That is, electric wire 32 is buried underground in the polyethylene formed ditch 33 continuously with extrusion process on one side at first on one side, burying 2 underground at the electric dust collector body with at hand between console switch in the reciprocal electric wire 32, what formation was provided with ditch 33 is with 34.
Then, with bonding agent etc. that this marginal portion with 34 is bonding mutually, be wound into helical form simultaneously, form thus electric wire 32 and ditch 33 are formed spiral helicine pipe.By with this with 34 marginal portion combination, on the pipe internal surface at these 35 places, junction surface, form rill.And on the surface of this pipe, as shown in Figure 1, form with junction surface 35 corresponding convex strip portions 351, with the corresponding convex strip portions 32 of the portion that buries underground of reciprocal 2 wires 32 ', and the convex strip portions 33 that ditch 33 parts are corresponding and width is big slightly of inner surface '.After the hose cutting-off that forms like this become desired length, with flexible pipe end face 36 heating and meltings of electric heater 41 with this otch.
This electric heater 41 is provided with flange part 43 in the end with the inner interlocking portion 42 of rabbeting of flexible pipe, is setting the heater wire that is connected with the industrial power 44 in the external world in the inside of this flange portion 43; With the contacted metal surface of flexible pipe part all through fluoridizing processing.
To the interlocking portion 42 of electric heater 41, flexible pipe end face 36 is contacted with flange part 43.Thus, shown in Fig. 2 (A), form occlusive part 38 with flattening, block with the air flue that is communicated with in handle and the pipe with flexible pipe end face 36 hot melts and with recessed convex strip portions hot melt.Under this occasion, also can in the interlocking portion 42 of electric heater 41, load onto heating element, flexible pipe end face hot melt not only, also the part pipe internal surface that puts in any in from the flexible pipe end face toward pipe heat fusing all, processing is rebuild on the molten level land of recessed convex strip portions, the bonded area with hose coupling can be increased in this case as described below, more firm combination can be obtained.
At this moment, can in advance the crust of that part of resin of burying 2 wire 32a, 32b underground be scratched shown in Fig. 2 (B) like that, in front of 2 wire 32a, 32b are pulled out to from the flexible pipe end face.So just constitute flexible hose 31 parts of hose for electric vacuum cleaner.
On the other hand, shown in the Z portion enlarged drawing (C) of the side view (B) of the top view of Fig. 3 (A), (A), (A), hose coupling portion is base side hose coupling portion 51 for example, with the face of flexible hose 31 interlocking on form convex strip portions 52, this convex strip portions 52 has the gradient identical with the ditch that forms 33 on the flexible pipe inner surface.For flexible hose 31 is screwed into easily, this convex strip portions 52 is formed discretely, and have from pipe towards rising formed tapering at its end 52a.
In addition, on the interlocking face of base side hose coupling portion 51, also form the flange 53 of the contacted flange plate-like of end face, and form the following recess that accumulates bonding agent 54 at the root that is connected a side with flexible pipe of this flange 53.It all is not change with the same in the past that operation and installation portion 55 waits some structures.
The flexible pipe of adhesive applicating in the base side hose coupling portion 51 with said structure connected on the pipe outer peripheral face of side, when flexible hose 31 is rotated, be pressed into.Thus, make ditch 33 interlockings that form on convex strip portions 52 and the flexible pipe inner surface, then, by making flexible hose 31 rotations, embedding successively towards flange 53 directions, shown in the top view of the major part sectional drawing of Fig. 4 and Fig. 5, with the occlusive part that will form on the flexible pipe pipe end face 38 and flange 53 contacted states, make flexible hose 31 and flange on 53 chimeric connections.
At this moment, be coated in bonding agent on the pipe face along with the embedding of flexible hose 31, remainder is expressed into flange 53 sides.If the root of flange 53 does not form recess 54, then when the end face of flexible hose 31 contacted with flange 53, the remainder of bonding agent will overflow and be bonded at the operator and hinder operation on hand from the surface, junction surface.But owing to form this recess 54, remaining bonding agent just can not spill into and be absorbed in seemingly in the recess 54, and the residue bonding agent that accumulates in the recess 54 can also be filled out in the part of bonding agent deficiency along recess.
Like this, the convex strip portions 52 of base side hose coupling portion 51 is rabbeted 33 li in the ditch of flexible hose 31, and with the occlusive part 38 of flexible pipe end face with fix with regard to forming firm interlocking after flange 53 engages.After this, the lead-in wire that is connecting on the electrical connector pin 58a, the 58b that form in 2 electric 32a, the 32b one side hose coupling portion 51 is connected, and folding and unfolding is in the gap between flange 53 and the operation and installation portion 55.In this gap, form and to make the mutually non-touching barrier ribs 59 of this 2 wire connecting portion.Again flexible pipe cover 61 be contained in flexible hose 31 and base side hose coupling portion 51 the composition surface above, on the other hand, install in the operation and installation portion 55 have combine with the air entry that forms on the body or free the operation button 57 of fastening pawl 56 of usefulness after, finish the joint of flexible hose 31 and base side hose coupling portion 51.Flexible hose 31 and at hand the joint of the hose coupling portion of side also similarly carry out with above-mentioned, just can obtain hose for electric vacuum cleaner thus.
In order to adapt with nearest high-power requirement to the electric dust collector body, make 9 sealings that meet guarantor portion of flexible hose 31 and base side hose coupling portion 51 more intact, can be wound on being connected on the side of flange 53 roots to spongy resilient flexible member 71 with before flexible hose 31 setting-ins are to the base side hose coupling portion 51 with flexible pipe.Perhaps thickness be the polyurethane rubber plate of 1-2cm be cut into that the circular elastic component 71 that matches with flange 53 shapes is bonded in flange 53 the woman's persona side surface that connects with flexible pipe on.With previous occasion similarly flexible hose 31 setting-ins to the leading section of the base side hose coupling portion 51 that sets up this elastic component 71, the occlusive part 38 of flexible pipe end face is pressed on flange 53 sides tightly.The result as shown in Figure 6, under elastic component 71 crimp states, it is plugged between occlusive part 38 and the flange 53, is cut off more completely by the circulation of air of ditch 35,33 connected to one another thus, can obtain the fabulous hose for electric vacuum cleaner of sealing property.
Fig. 7 is the schematic diagram that is used for illustrating the prolongation pipe in the hose coupling of the side at hand portion that is connected hose for electric vacuum cleaner, and top view, (B) that (A) is it is that side view, (C) are the top view after being provided in cover 82 above the pipe and shedding.Promptly, in having the electric dust collector of Electric brush, electricity must be fed to the Electric brush motor from base side, for this reason, be electrically connected the connecting pin 83 of usefulness with side hose coupling portion at hand in an end setting that prolongs pipe 81, set and the connecting pin of the Electric brush side interface 84 of logotype mutually at the other end, and on ventilation road 86, set the electric wire 85 that these connecting pins 83 and interface 84 are coupled together.
Fig. 8 is the figure that an end of the prolongation pipe 81 of Fig. 7 (C) is represented enlargedly, and Fig. 9 is the sectional drawing of obtaining along the A-A line of Fig. 8.And Figure 10 is the detail view of expression interface 84, (A) is top view, (B) is the sectional drawing of obtaining along the B-B line of (A).As seen from the figure, this connect 84 be by with contacted forms 2 sections of the elastic metal sheet 84a of the connecting pin that is inserted into by conduction, erect and be fixed on the insertion pin of cutting into slices on the 84a wall 84d that joins with these sections 84a at flat end plate 84b that root engages, perforation forms on this flat end plate 84b tubular boss 84c, tabular end plate 84b before the boss and constitute, connecting the electric wire connection maintaining part 85e that powers at the rear portion of interface 84.This connects maintaining part 85e and is used for keeping institute's wire connecting, is by there is the ductile metal plate of controlling sheet to constitute in both sides.
This interface 84 is to be installed in to interlocking on the cylindric flange 86a that ventilation road 86 forms above by the boss 84c of tubular as shown in Figure 9, and this boss 84c is at root formation arc curved surface R.Thus, when the dismounting Electric brush, can slow down stress and concentrate, from but can prolong service life of interface 84.That is, the inserting repeatedly of the connecting pin that causes because of the repeated disassembled and assembled of Electric brush extract cause, be added in the power of the fore-and-aft direction that inserts along connecting pin on the interface 84 repeatedly, stress is all concentrated on the boss 84c.And the present invention is fixed on the flange 86a by boss 84c and the interlocking that forms tubular on flat end 84b, so can increase the durability of interface 84; Root owing to this boss 84c forms curved surface R again, thereby it is concentrated to alleviate the stress that is formed by repeated disassembled and assembled, can prevent breakage, thereby can make the fixing reliable of interface 84, makes its ILS.
According to the application's invention claimed in claim 1, because the end of flexible hose is melted whole Shape, thereby be melted ground in the gap that pipe internal surface forms inaccessible, it is good to obtain air-tightness Hose for electric vacuum cleaner.
Invention according to claim 2, because flexible hose adopts resin material, and electricity Line is buried part and recessed convex strip portions formation helical form underground, even thereby can be had trampling and also can not do The flexible pipe of bad restoring force; Again because the end of this flexible hose is melted shaping, thereby at flexible pipe The ditch that forms on the inner surface is melted flat rear sealing, so can obtain the fabulous electric dust absorption of air-tightness The device flexible pipe.
According to the application's invention claimed in claim 3, owing to be to scratch continuously with extrusion modling The property resin material be formed with the band of recessed convex strip portions, on one side with mutual bonding one side, the edge of this band spiral shell When revolving the shape coiling, be wound into helical form, form and make recessed convex strip portions spiral helicine Pipe, thereby energy efficiency makes hose for electric vacuum cleaner highly continuously, again because prepared soft Trample the restorability that also can not be out of shape even pipe has, hose end makes concavo-convex by thermal welding Section seals with flattening, thereby can make the fabulous hose for electric vacuum cleaner of air-tightness.
According to the application's invention claimed in claim 4, owing to be to scratch continuously with extrusion modling The property resin material be formed with the band of recessed convex strip portions, on one side with mutual bonding one side, the edge of this band spiral shell When revolving the shape coiling, be wound into helical form, form and make recessed convex strip portions spiral helicine Pipe, thereby energy efficiency is made hose for electric vacuum cleaner highly continuously. Have namely owing to can make Make the flexible pipe of trampling the restorability that also can not be out of shape, as long as and hose end be fitted to have protruding Simple heat fusing in addition on the electric heater of edge is just cut air flue in the formation of the end of flexible pipe Disconnected occlusive part, thereby can make the fabulous hose for electric vacuum cleaner of air-tightness.
According to the application's invention claimed in claim 5, because elasticity is passed through in the end of flexible hose Member and/or bonding agent are chimeric to be fixed in the above-mentioned hose coupling section, thereby can obtain air-tightness Good hose for electric vacuum cleaner.
According to the application's invention claimed in claim 6, owing to also form flexible in hose coupling section The flange part that hose end contacts, thereby can on the effect basis of claim 1, make sealing Performance further improves, and can obtain the fabulous hose for electric vacuum cleaner of air-tightness.
According to the application's invention claimed in claim 7, because at the outer peripheral face of hose coupling section Above-mentioned flange part form the recess that stockpiles of above-mentioned bonding agent with the flexible hose lateral root section of joining, thereby Can be on the effect basis of claim 1, chimeric when being fixed in the hose coupling section flexible pipe, Bonding agent is absorbed in this recess, can not spill on the hose coupling surface, can improve operation.
According to the application's invention claimed in claim 8, because being squeezed into the flexible resin(a) material Type is formed with the band that electric wire is buried section and recessed convex strip portions underground continuously, in the marginal portion of one side with this band In the time of mutual bonding one side spirally winding, form electric wire section and recessed convex strip portions are wound into spiral The pipe of shape, thereby can make continuously, can improve and make efficient. Trample also even can make to have The flexible pipe of indeformable restoration, and hose end is formed the molten level land of concavo-convex ditch by heat fusing Airtight. Again because on the outer peripheral face of the end of hose coupling section, form discretely along showing in the flexible hose The projection that the ditch of face tilts is so when the flexible pipe setting-in is on the connector portions, can make projection be fitted to In the ditch, positively fix. Also owing to be fixed to the end of flexible hose is chimeric by bonding agent In the hose coupling section, thereby the sealing property of connecting portion is further improved, can make air-tightness Hose for electric vacuum cleaner that can be fabulous.
According to the application's invention claimed in claim 9, because being squeezed into the flexible resin(a) material Type is formed with the band that electric wire is buried section and recessed convex strip portions underground continuously, in the marginal portion of one side with this band In the time of mutual bonding one side spirally winding, form electric wire section and recessed convex strip portions are wound into spiral The pipe of shape, thereby can make continuously, can improve and make efficient. Trample even can also make to have The also flexible pipe of indeformable restoration, and flexible pipe both ends are melted the level land by heat fusing with concavo-convex ditch Form airtight. Again because on the outer peripheral face of the end of hose coupling section, form along flexible hose discretely The projection of the ditch of inner surface is so when the flexible pipe setting-in is to the joint, can make projection be fitted to ditch In, positively fix, also owing to be fixed to the end of flexible hose is chimeric by elastic component In the hose coupling section, thereby the sealing property of connecting portion is further improved, can make air-tightness Hose for electric vacuum cleaner that can be fabulous.

Claims (9)

1. hose for electric vacuum cleaner, it forms hose coupling portion with chimeric connection of the end of flexible hose, it is characterized in that: be connected with above-mentioned hose coupling portion is chimeric after the end fusion shaping of above-mentioned flexible hose.
2. hose for electric vacuum cleaner, it forms hose coupling portion with chimeric connection of the end of flexible hose, it is characterized in that: above-mentioned flexible hose is to form recessed convex strip portions with the resin material helically, and is connected with above-mentioned hose coupling portion is chimeric after with its end fusion shaping with heat-treating methods.
3. the manufacture method of hose for electric vacuum cleaner, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, form band by extrusion modling with continuous recessed convex strip portions; In bonding mutually the marginal portion of this band, be wound into helical form, form the spiral pipe that specific length is arranged of recessed convex strip portions; By end heat fusing with this pipe, recessed convex strip portions is disappeared after, chimeric being fixed on the above-mentioned hose coupling.
4. the manufacture method of hose for electric vacuum cleaner, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, form band by extrusion modling with continuous recessed convex strip portions; In bonding mutually the marginal portion of this band, be wound into helical form, form the spiral pipe that specific length is arranged of recessed convex strip portions; By the end with this pipe be fitted to the flange part bigger than above-mentioned caliber, with the electric heating body of aforementioned tube end tabling on, make the end heat fusing of aforementioned tube, the recessed convex strip portions of aforementioned tube end is disappeared after, chimeric being fixed on the above-mentioned hose coupling.
5. the manufacture method of hose for electric vacuum cleaner, it forms the end of flexible hose chimeric the connection with hose coupling portion, it is characterized in that: the end of above-mentioned flexible hose is by elastic component and/or bonding agent and chimeric being fixed in the hose coupling portion.
6. hose for electric vacuum cleaner as claimed in claim 5 is characterized in that: form the flange part that joins with above-mentioned flexible hose end on the outer peripheral face of above-mentioned hose coupling portion.
7. hose for electric vacuum cleaner as claimed in claim 5 is characterized in that: form bonding agent at the root of the above-mentioned flexible hose side of the above-mentioned flange part of formation of above-mentioned hose coupling portion outer peripheral face and accumulate recess.
8. the manufacture method of hose for electric vacuum cleaner, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, form the concavo-convex band of having buried electric wire underground by extrusion modling continuously; In bonding mutually the marginal portion of this band, be wound into helical form, form and make electric wire and the concavo-convex spiral flexible hose that specific length is arranged of ditch; With the end difference heat fusing of this flexible hose, make the concavo-convex ditch disappearance at above-mentioned flexible hose both ends and roughly form flat; On the other hand, on the end outer peripheral face of above-mentioned hose coupling portion, form discretely and be used for fixing projection above-mentioned flexible hose, that tilt along the ditch that on above-mentioned flexible hose inner surface, forms, and the flange part that joins of formation and above-mentioned flexible hose end face; Chimeric with above-mentioned flexible hose behind adhesive-applying on the outer peripheral face of above-mentioned end, make this hose end and above-mentioned flange part mutually ground connection fix.
9. the manufacture method of hose for electric vacuum cleaner, it is that hose coupling portion is connected with the end of flexible hose is chimeric, make hose for electric vacuum cleaner thus, it is characterized in that: use the flexible resin(a) material, form the concavo-convex band of having buried electric wire underground by extrusion modling continuously; In bonding mutually the marginal portion of this band, be wound into helical form, form and make electric wire and the concavo-convex spiral flexible hose that specific length is arranged of ditch; With the end difference heat fusing of this flexible hose, make the concavo-convex ditch disappearance at above-mentioned flexible hose both ends and roughly form flat; On the other hand, on the end outer peripheral face of above-mentioned hose coupling portion, form discretely and be used for fixing projection above-mentioned flexible hose, that tilt along the ditch that on above-mentioned flexible hose inner surface, forms, and the flange part that joins of formation and above-mentioned flexible hose end face; The flexible pipe that soft elastomer is bonded to this flange part connects on the side, and is chimeric with above-mentioned flexible hose again, make this hose end by above-mentioned elastomer and above-mentioned flange part mutually ground connection fix.
CN96109408A 1995-08-10 1996-08-09 Hose of electric duster and it mfg. method Expired - Fee Related CN1108141C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP224574/95 1995-08-10
JP224573/1995 1995-08-10
JP22457395A JP3685529B2 (en) 1995-08-10 1995-08-10 Hose for vacuum cleaner and its manufacturing method
JP224573/95 1995-08-10
JP22457495A JP3691126B2 (en) 1995-08-10 1995-08-10 Hose for vacuum cleaner and its manufacturing method
JP224574/1995 1995-08-10

Publications (2)

Publication Number Publication Date
CN1158236A true CN1158236A (en) 1997-09-03
CN1108141C CN1108141C (en) 2003-05-14

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Application Number Title Priority Date Filing Date
CN96109408A Expired - Fee Related CN1108141C (en) 1995-08-10 1996-08-09 Hose of electric duster and it mfg. method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322835C (en) * 2003-10-29 2007-06-27 三洋电机株式会社 Hose for vacuum cleaner
CN102123646A (en) * 2008-08-13 2011-07-13 Bsh博施及西门子家用器具有限公司 Vacuum cleaner housing
CN107174168A (en) * 2016-03-09 2017-09-19 泰贺斯聚合物股份有限公司 The attachment structure of hose for electric vacuum cleaner
CN107616748A (en) * 2016-07-13 2018-01-23 戴森技术有限公司 Instrument for vacuum cleaner

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DE3016719A1 (en) * 1980-04-30 1981-11-05 Ohler Eisenwerk, Theob. Pfeiffer, 5970 Plettenberg SPIRAL TUBE MADE OF SCREW-WINDED, CORRUGATED RIBBON AND METHOD FOR THE PRODUCTION THEREOF
SE447444B (en) * 1984-10-02 1986-11-17 Electrolux Ab Vacuum cleaner hose
NL8801702A (en) * 1988-07-05 1990-02-01 Redeco Ag FLEXIBLE, ONE-WAY FLEXIBLE HOSE.
JP2514706B2 (en) * 1988-12-29 1996-07-10 株式会社日立製作所 Electric vacuum cleaner
IT223249Z2 (en) * 1991-04-17 1995-06-21 Eledro Klitz S P A DEVICE FOR THE CONNECTION OF AN END OF A CORRUGATED TUBE WITHIN A CABLE TERMINAL.
CN1098773A (en) * 1993-08-07 1995-02-15 林长宁 Plastic tube and joint for plastic tube electrothermal joining equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322835C (en) * 2003-10-29 2007-06-27 三洋电机株式会社 Hose for vacuum cleaner
CN102123646A (en) * 2008-08-13 2011-07-13 Bsh博施及西门子家用器具有限公司 Vacuum cleaner housing
CN107174168A (en) * 2016-03-09 2017-09-19 泰贺斯聚合物股份有限公司 The attachment structure of hose for electric vacuum cleaner
CN107616748A (en) * 2016-07-13 2018-01-23 戴森技术有限公司 Instrument for vacuum cleaner

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KR970009727A (en) 1997-03-27
KR100209033B1 (en) 1999-07-15
CN1108141C (en) 2003-05-14

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