CN1133394C

CN1133394C - Electric suction cleaner

Info

Publication number: CN1133394C
Application number: CNB961089016A
Authority: CN
Inventors: 小池利男; 夫; 莲浩二; 乳井一夫
Original assignee: Mitsubishi Electric Home Appliance Co Ltd; Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Home Appliance Co Ltd; Mitsubishi Electric Corp
Priority date: 1995-12-15
Filing date: 1996-05-17
Publication date: 2004-01-07
Anticipated expiration: 2016-05-17
Also published as: JP3505888B2; KR0167722B1; KR970032643A; CN1152428A; JPH09164100A

Abstract

The invention provides a electric cleaner preventing the noises or damage near the bend section of a grip tool, which is provided with a floor suction tool 13, a cleaner main body 12, a grip tool 11, an extension pipe 7, and a hose 6. Dust is sucked from the floor suction tool 13 into the cleaner main body 12 through the extension pipe 7, grip tool 11, and hose 6 for cleaning dust. A handhold 10 is made hollow, it is communicated with a bent pipe 1, and they are integrally molded.

Description

Electric dust collector

Technical field

The present invention relates to a kind of the improvement and handle the electric dust collector of floor, particularly a kind of impact force that prevents dust that the reason floor sucks with suction fitting etc. and produce and the handle member swan-neck is partly sustained damage or produce the electric dust collector of noise with the handle member of suction fitting.

Background technology

Fig. 8 is the longitudinal sectional drawing such as an example of the handle member of disclosed existing electric dust collector in the clear 63-42367 document of TOHKEMY.As shown in the figure, since the swan-neck 1 that is へ shape substantially respectively upstream side (front) and bend 2 and prolongation piping support portion 3, downstream (rear end side) and straight sections 4 and flexible pipe support sector 5, the top with have hand-held space below handle 1a become monolithic molding, so the end that is positioned at hose support portion 5 one sides in the above-mentioned swan-neck 1 is connected with the flexible pipe 6 that links to each other with the main body of dust collector (not shown), and is positioned at the end that prolongs piping support portion 3 one sides in the above-mentioned swan-neck and is connected with the continuous prolongation pipe 7 of suction fitting (not shown) with the floor.

In addition, the top of below handle 1a is provided with handle top cover 8, and this lid 8 is fixed in the top of swan-neck 1 by screw 9, thereby forms handle 10, and above-mentioned swan-neck 1 and handle 10 constitute handle member 11.

In above-mentioned electric dust collector, high-speed straight-line in prolonging pipe 7 such as the dust that sucks with suction fitting by the floor moves, the top inner wall of it and bend 2 collision in bend 2 vicinity of swan-neck 1, its direction changes when its speed reduces, and move in the straight sections 4, suck main body of dust collector inside by flexible pipe 6 then.

In the existing electric dust collector of said structure, when containing the bigger nail of mass ratio, drawing pin or handstone in the dust that is sucked etc., these contain thing and can collide because of the bend 2 with swan-neck 1 and produce unusual sound, and inwall is sustained damage.In addition, near the flow velocity that contains the air stream of dust etc. bend 2 can increase, and is easy to produce electrostatic phenomenon thereby this air stream with inwall friction takes place, and is under the charged state at bend 2 like this, and this is dangerous if the human body contact can be discharged.In addition, when suction fitting is used on the operation floor, in handle 10, can act on the power that has on all directions, thereby the lid 8 at the handle member top abnormal sounds such as being easy to produce noise that can deform like this, be the problem of avoiding above-mentioned phenomenon must increase the number of screw 9 or weld or operation such as connection, therefore will produce being difficult to assembling or operative employee's snap gauge tool thickens.

Summary of the invention

The present invention will solve the above problems exactly, the object of the present invention is to provide a kind of electric dust collector, it can not produce abnormal sound near the swan-neck bend, and can not damage inwall, the generation of electrostatic phenomenon can be suppressed in addition, thereby also has because of without screw the noise of handle being suppressed.

Electric dust collector of the present invention is the dust catcher with following structure.

1. this electric dust collector comprises that the floor is with suction fitting, main body of dust collector, by swan-neck be located at handle member that the handle on this swan-neck constitutes, prolong pipe, flexible pipe; Above-mentioned prolongation Guan Yiduan is connected with suction fitting with the floor, and its other end is connected with the upstream side of handle member; One end of above-mentioned flexible pipe is connected with main body of dust collector, and its other end is connected with the downstream of handle member; Dusts etc. are sucked with suction fitting by the floor, thereby the circulation of air that contains this dust etc. is crossed prolongation pipe, handle member, flexible pipe and sucked in the main body of dust collector dust etc. is disposed; Above-mentioned handle is hollow form and has only an end to be communicated with swan-neck, and its other end is airtight, thereby handle and swan-neck monolithic molding form handle member.

This electric dust collector comprise the floor with suction fitting, prolong pipe, by swan-neck be located at handle member, main body of dust collector, the flexible pipe that the handle on this swan-neck constitutes; One end of above-mentioned flexible pipe is connected with main body of dust collector, and its other end is connected with the downstream of handle member; Dusts etc. are sucked with suction fitting by the floor, thereby the circulation of air that contains this dust etc. is crossed prolongation pipe, handle member, flexible pipe and sucked in the main body of dust collector dust etc. is disposed; Handle member and prolong the pipe monolithic molding, and the handle in the handle member is hollow form and is communicated with swan-neck, thus handle member and swan-neck monolithic molding form the prolongation handle member.

3. in the above-mentioned the 1st or 2 described electric dust collectors of scheme, swan-neck and handle are the へ shape respectively substantially, and the handle upstream-side-end is connected near its bend with swan-neck, and the sealing of handle member end of downstream side.

4. in the described electric dust collector of above-mentioned the 3rd scheme, handle along the downstream downstream straight sections from swan-neck leave.

5. in the above-mentioned the 1st or 2 described electric dust collectors of scheme, swan-neck is the へ shape substantially, and the handle of hollow is the shape of falling U substantially, and the handle upstream-side-end is connected near its bend with swan-neck, and the handle end of downstream side is connected near its downstream straight sections with swan-neck.

6. in the described electric dust collector of above-mentioned the 5th scheme, near the aperture area of the handle end of downstream side that is connected its downstream straight sections with swan-neck is more than or equal near the aperture area of the handle upstream-side-end that is connected its bend with swan-neck.

7. in the above-mentioned the 1st or 2 described electric dust collectors of scheme, in handle, be filled with soft material.

8. in the described electric dust collector of above-mentioned the 7th scheme, but handle is provided with the peristome of freely openable, and soft material can insert in handle from this peristome.

Can draw the following effect of electric dust collector of the present invention at an easy rate according to above description.

Since handle member in handle be hollow form and with the swan-neck monolithic molding, and the swan-neck that is the へ shape substantially that is connected is removably respectively managed in flexible pipe, its other end and prolongation and the handle of being located on this swan-neck constitutes by the one end for above-mentioned handle member, and because handle and swan-neck connection; Thereby when electric dust collector uses; handle can not produce noise; and the cushioning effects such as dust of this handle to being sucked; less thin staple of mass ratio or hair etc. are owing to can be piled up in the handle in dust etc.; it can play cushioning effect to the bigger nail or the drawing pin of quality of invading because of inertia force like this; thereby protected the handle inwall, and can avoid producing noise because of collision.In addition, because swan-neck and handle monolithic molding, thereby simplified assembling work, also need not to assemble the screw of usefulness etc., can make the cost reduction like this.

2. in the described electric dust collector of above-mentioned the 1st scheme because the swan-neck in the handle member and prolong the pipe monolithic molding need not swan-neck and prolongs pipe to carry out the dismounting operation like this, in addition in use will be not above-mentioned yet both separately.

3. in the above-mentioned the 1st or 2 described electric dust collectors of scheme, because swan-neck and handle are the へ shape respectively substantially, the handle upstream-side-end is connected near bend with swan-neck, and the handle downstream side seal, can obtain like this and the identical effect of above-mentioned the 1st scheme.

4. in the above-mentioned the 1st or 2 described electric dust collectors of scheme, because adopted following structure, this structure is that handle leaves from swan-neck downstream straight sections along the downstream, and the dust that enters like this in the handle can fall along the swan-neck direction apace because of inclination.

5. in the above-mentioned the 1st or 2 described electric dust collectors of scheme, because swan-neck is the へ shape substantially, and that the handle of hollow is substantially is inverted U-shaped, the handle upstream-side-end is connected near bend with swan-neck, and the handle end of downstream side is connected near its downstream straight sections with swan-neck, the dust that is sucked etc. along swan-neck direction and handle direction separately like this, can reduce to pass through speed, can reduce speed thus by near the stream of the air the swan-neck bend, and the reduction noise, can suppress in addition owing to the electrostatic phenomenon that rubs and produce takes place near the inwall bend and air stream.Particularly since the power during with swan-neck or the collision of handle inwall such as quality is bigger in the dust that is sucked etc. drawing pin, nail or handstone etc. reduce, thereby can avoid inwall to damage.

6. in the described electric dust collector of above-mentioned the 5th scheme, because near the aperture area of the handle end of downstream side that is connected its downstream straight sections with swan-neck is more than or equal near the aperture area of the handle upstream-side-end that is connected its bend with swan-neck, thereby dust by handle upstream side peristome etc. can not stop up at the downstream peristome, and can positively flow out along the straight sections direction.

7. in the above-mentioned the 1st or 2 described electric dust collectors of scheme, because be filled with soft material in the handle, since nail that inertia force advances along handle direction or drawing pin etc. near bend with handle in the soft material of filling bump, here soft material is to its cushioning effects such as dusts.

Therefore, because above-mentioned soft material, the speed of the dust that is sucked etc. reduces really, thereby this soft material shields to the handle inwall, and avoids it to sustain damage, and can prevent from addition to produce noise because of collision.

8. in the described electric dust collector of above-mentioned the 7th scheme, owing in handle, be provided with the peristome of freely openable, soft material can be inserted in the handle from this peristome, improve the assembling of soft material like this, also improve the maintenanceability of changing soft material etc. in addition.

The accompanying drawing simple declaration

Fig. 1 is the perspective view of first embodiment of the invention;

Fig. 2 is the longitudinal sectional drawing of major part embodiment illustrated in fig. 1;

Fig. 3 is the profile along A-A line among Fig. 2;

Fig. 4 is the longitudinal sectional drawing of the major part of second embodiment of the invention;

Fig. 5 is the longitudinal sectional drawing of the major part of third embodiment of the invention;

Fig. 6 is the side view of the major part of fourth embodiment of the invention;

Fig. 7 is the longitudinal sectional drawing of the major part of fifth embodiment of the invention;

Fig. 8 is the longitudinal sectional drawing of an example of the handle member of existing electric dust collector.

The specific embodiment

Embodiment 1

Fig. 1 is the perspective view of first embodiment of the invention, and Fig. 2 is the longitudinal sectional drawing of major part embodiment illustrated in fig. 1, and Fig. 3 is the profile along A-A line among Fig. 2.In Fig. 1, the handle member of label 11 for constituting by swan-neck 1 and handle 10, label 12 is for being provided with the main body of dust collector of electric blowing machine in it, and label 13 is the floor suction fitting.But label 6 is the flexible pipe of free bend, and the one end removably links to each other with main body of dust collector 12, and its other end removably is connected with the hose support portion 5 of swan-neck 1.Label 7 is for prolonging pipe, and the one end removably links to each other with suction fitting 13 with the floor, and its other end removably with the extension support 3 of swan-neck 1 links to each other.

According to Fig. 2, Fig. 3 the structure of the handle member 11 that is made of swan-neck 1 and handle 10 is described in detail below.As shown in the figure, swan-neck 1 is へ shape substantially, it is made of bend 2, extension support 3 and straight sections 4, above-mentioned extension support 3 is positioned at the upstream side of bend 2, and the removably chimeric extension 7 that is supported with, above-mentioned straight sections 4 is positioned at the downstream of bend 2, and removably links to each other with flexible pipe 6 by hose support portion 5.

In addition, handle 10 is for being the hollow form of へ shape substantially, and its upstream side links to each other near its bend 2 end faces with swan-neck 1, its downstream side seal.In addition, the mode that is communicated with to be in line of the first hollow channel 15a of the extension support 3 in the first hollow channel 14a in the upstream side of handle 10 (bend 2 sides) and the swan-neck 1 is by the blow-moulding process monolithic molding.

Also have, be provided with hand-held space 16 between straight sections 4 end faces of the sealed end of handle 10 and swan-neck 1, above-mentioned hand-held space 16 is used for providing supporting from the below to handle 10 when holding handle 10.

Have, the straight sections 4 of the swan-neck 1 that first, second hollow passage 14a, the 14b of handle 10 also can be relatively extends in sealed end one side of this handle 10 is left, and promptly is positioned at the top position of bend 2 again.

Effect to first embodiment of the invention with said structure is described below.At first, when driving main body of dust collector 12, being scattered in dust on the floor etc. is attracted with air with suction fitting 13 by the floor, move to flexible pipe 6 by prolonging pipe 7 from handle member 11 along diagram solid arrow direction afterwards, thus from this it to enter main body of dust collector 12 interior and discharge through purification.At this moment, can not turn at bend 2 by the part air stream that contains dust of extension 7 inside at a high speed along straight line, because it enters its inertia force in the first hollow passage 14a of handle 10, and inner mobile by diagram dotted arrow direction to it, and the above-mentioned first hollow passage 14a is basic and the first hollow passage 15a linear state of extension 3.Yet above-mentioned inertia force can weaken when entering the first hollow passage 14a inside of handle 10, and the movement velocity of dust etc. can reduce rapidly like this, thereby just can stop motion when its impulsive contact force to handle 10 inwalls weakens.Afterwards, meetings such as dust drop in the swan-neck 1 from bend 2 owing to its deadweight or with moving of handle member 11, and siphon away by the direction of main body of dust collector 12 along the diagram solid arrows.

By above-mentioned embodiments of the invention; because handle member 11 and swan-neck 1 and handle 10 monolithic moldings; handle 10 is hollow form and is communicated with swan-neck 1; handle 10 can not produce noise when dust catcher uses like this; handle 10 relative dusts that suck etc. play surge chamber in addition; less thin staple or the hair of quality in dust etc. can be piled up in first of handle 10; the second hollow passage 14a; in the 14b; thereby bigger nail of the quality of invading owing to inertia force or drawing pin etc. are played cushioning effect; so just protected the inwall of handle 10, and can prevent owing to collision produces noise.In addition, because swan-neck 1 and handle 10 monolithic moldings, thereby need not assembling work, thereby owing to need not to assemble the screw of usefulness and can reduce cost.

Also have, under the situation that handle 10 sealed ends leave gradually from the straight sections 4 of swan-neck 1 gradually, the interior dust of first, second hollow passage 14a, 14b that enters handle 10 can fall along the direction of swan-neck 1 fast owing to tilt.

Embodiment 2

Fig. 4 is the longitudinal sectional drawing of second embodiment of the invention.In the present embodiment, in the hollow handle shown in first embodiment 10, filled and had for example soft material of the aeration of urethanes.Label 17 is for being filled in the soft material in the handle 10 that is the へ shape substantially, and it is near near the sealed end in the downstream that extends to handle 10 end face of the bend 2 of swan-neck 1.

According to the second embodiment of the invention of said structure, because soft material 17 collisions in nail that inertia force advances along handle 10 directions or drawing pin etc. and near the handle 10 that is filled in the

bend

2,17 pairs of dusts of soft material play cushioning effect herein.

Like this, owing to reduce really,, and can prevent to produce noise because of collision so this soft material 17 not only can be protected handle 10 inwalls and prevent that it is damaged by the speed of dust that above-mentioned soft material 17 sucked etc.

Embodiment 3

Fig. 5 is the longitudinal sectional drawing of third embodiment of the invention.In this embodiment, not only shown in second embodiment, in hollow handle 10, be filled with soft material, and be provided with peristome in the downstream of handle 10.Label 17 is the soft material in the handle that is the へ shape substantially 10 that is filled in hollow in the drawings, and it is near near the end in the downstream that extends to handle 10 end face of the bend 2 of swan-neck 1.The peristome that label 18 inserts in handle 10 hollow bulbs for the soft material 17 that is used for being located at handle 10 downstreams, label 19 is for being removably installed in the lid on the peristome 18.

Third embodiment of the invention according to said structure, soft material 17 is inserted in handle 10 hollow bulbs from the peristome of being located on handle 10 end of downstream side 18, by lid 19 peristome 18 is sealed afterwards, thereby soft material 17 is filled in the hollow bulb of handle 10.In this way and since nail that inertia force advances along handle direction or drawing pin etc. bend 2 near with handle 10 in soft material 17 collide, here 17 pairs of dusts of soft material play cushioning effect.

Therefore, can protect the inwall of handle 10 by soft material 17 and avoid producing noise because of nail collision.In addition, thereby, also have, cover 19, thereby improved the maintenanceability of changing soft material 17 grades because on handle 10, removably be provided with owing to be provided with the installation that peristome 18 has improved soft material 17.

Embodiment 4

Fig. 6 is the side view of fourth embodiment of the invention.The end of handle member 11 removably is provided with prolongation pipe 7 in first embodiment, but handle member is managed monolithic molding with prolongation in the present embodiment.Number in the figure 11a is with handle member part with prolong the integrally formed prolongation handle member of tube portion, with handle 10 and swan-neck part with prolong tube portion and be made of one and be communicated with by blow moulding.Like this, the downstream that prolongs handle member 11a is connected with flexible pipe 6, and its upstream extremity removably is connected with suction fitting 13 with the floor.

Therefore, according to above-mentioned the 4th embodiment, the inwall of handle 10 is protected, and can avoid producing noise because of nail waits collision, needn't and prolong tube portion to winding curved tube part in addition and carry out the dismounting operation, and above-mentioned so in use both can not separate.

Embodiment 5

Fig. 7 is the longitudinal sectional drawing of fifth embodiment of the invention.Because so the dust catcher overall structure in the present embodiment and shown in Figure 1 basic identical is not described here.The handle member of label 11 for constituting by swan-neck 1 and handle 10, label 2 is the bend of swan-neck 1, and label 3 is for being located at the prolongation piping support portion of swan-neck 1 upstream side, and label 4 is for being located at the straight sections in swan-neck 1 downstream.Also have, label 16 is for being located at the hand-held spatial portion between handle 10 and the swan-neck 1.

Structure to handle 10 is described in detail below, and handle 10 is a hollow form, and is inverted U-shaped substantially, and its both ends and swan-neck 1 pass through the blow moulding monolithic molding near its end face.In addition, handle 10 upstream sides are provided with upstream side peristome 20, and it is connected near bend 2 with swan-neck 1, and handle 10 downstreams are provided with downstream peristome 21, and it is connected at straight sections 4 end faces with swan-neck 1.Be communicated with by the bypasses of being located in the handle 10 22 between above-mentioned two peristomes, the dust that is inhaled into air etc. separately flows along straight sections 4 directions and bypass 22 directions at bend 2 places.In addition, the aperture area of downstream peristome 21 is more than or equal to the aperture area of upstream side peristome 20, thereby avoids dust of being sucked etc. to block at downstream peristome 21.

Effect to the 5th embodiment of said structure is described below.The circulation of air that contains dust etc. that sucks with suction fitting 13 by the floor is crossed and is prolonged pipe 7 and move to swan-neck 1 and prolong the first hollow passage 15a of piping support portion 3, the second hollow passage 15b direction and bypass 22 directions along straight sections 4 near bend 2 are separated, and the portion of air stream that is separated moves to downstream peristome 21 from upstream side peristome 20 by bypass 22.And another part air stream flows in the second hollow passage 15b direction of situation lower edge swan-neck 1 straight sections 4 of the air deceleration of passing through bend 2, converge with the above-mentioned air affluent-dividing that flows to peristome 21 places in downstream by bypass 22 afterwards, flow along the flexible pipe direction together at last.

In a manner described, because handle 10 upstream side peristomes 20 are located near swan-neck 1 bend 2, thereby the dust that is sucked etc. along the straight sections second hollow passage 15b direction and bypass 22 directions separately, and then it reduces by flow velocity, therefore, speed by near the stream of the air the bend 2 reduces, and such noise that produces reduces, and the inwall and the air that can suppress bend 2 vicinity in addition flow the electrostatic phenomenon that rubs and produce.Particularly the drawing pin that the mass ratio in the dust that is sucked is bigger, nail, handstone etc. are because the power with the second hollow passage 15b or the collision of bypass 22 inwalls the time is less, so can avoid inwall to sustain damage.

In addition, because the aperture area of bypass 22 downstream peristomes 21 is more than or equal to the aperture area of its upstream side peristome 20, dust by upstream side peristome 20 etc. can not make downstream peristome 21 stop up like this, and it can positively flow out along straight sections 4 second hollow passage 15b directions like this.

Embodiment 6

In sixth embodiment of the invention, the handle 10 upstream side peristomes 20 from the 5th embodiment (Fig. 7) are filled with the soft material (not shown) shown in second embodiment to the bypass 22 between its downstream peristome 21.

According to the sixth embodiment of the invention of said structure, because nail that inertia force advances along handle 10 bypasses 22 directions or drawing pin etc. bump with soft material in the handle 10, here this soft material is to having followed closely cushioning effect.

Therefore, soft material not only can be protected the inwall of handle 10, but also can avoid owing to collision produces noise.

Embodiment 7

In seventh embodiment of the invention, the optional position of the handle 10 in the 6th embodiment is provided with the peristome (not shown) that is filled with soft material.

Therefore, soft material not only can be protected the inwall of handle, prevents owing to collision produces noise, and owing to is provided with assembling or the maintainability that peristome can improve soft material.

Claims

1. electric dust collector, but prolongation pipe, handle member that it comprises the flexible pipe of the free bend that is connected removably with main body of dust collector, is connected removably with suction fitting with the floor, this handle member is made of swan-neck and the handle of being located on this swan-neck, one end of swan-neck is connected respectively with above-mentioned prolongation pipe removably with above-mentioned flexible pipe, its other end, and this swan-neck is the へ shape;

It is characterized in that above-mentioned handle is hollow form ground and above-mentioned swan-neck monolithic molding, thereby and above-mentioned hollow handle have only an end to be communicated with to form handle member with swan-neck, the other end of above-mentioned hollow handle is airtight.

2. dust catcher according to claim 1 is characterized in that, swan-neck on the above-mentioned handle member and prolongation pipe monolithic molding.

3. dust catcher according to claim 1 and 2 is characterized in that the handle of hollow is the shape of falling U, and this handle upstream-side-end is connected near its bend with swan-neck, and above-mentioned handle end of downstream side is connected near its downstream straight sections with swan-neck.

4. dust catcher according to claim 3 is characterized in that, with swan-neck near the aperture area of the handle end of downstream side that is connected its end of downstream side aperture area more than or equal near the handle upstream-side-end that its bend, is connected with swan-neck.

5. dust catcher according to claim 1 and 2 is characterized in that, is filled with soft material in handle.

6. dust catcher according to claim 5 is characterized in that, but is provided with the peristome of freely openable on handle, and soft material can insert in the handle from this peristome.