CN101280499A

CN101280499A - Drum washing machine

Info

Publication number: CN101280499A
Application number: CNA2008100039631A
Authority: CN
Inventors: 金子哲宪; 铃木好博; 中村俊介; 大川友弘
Original assignee: Hitachi Appliances Inc
Current assignee: Hitachi Global Life Solutions Inc
Priority date: 2007-04-02
Filing date: 2008-01-23
Publication date: 2008-10-08
Anticipated expiration: 2028-01-23
Also published as: CN101280499B; JP2008253393A; JP4368898B2

Abstract

The present invention provides a cylinder washing machine without abrasion by sealing components such as a corrugated pipe. A drum type washing drier (1) is provided with: a cabinet (10) with a structure connecting a front panel (12) and a pattern panel (13) by screws (80) at the front side; an outer barrel (20) installed in the cabinet (10) for storing wash water or rinsing water; a rotary barrel (30) rotating freely in the outer barrel (20) for holding washing (W); and the ringed corrugated pipe (50) in the gap between the sealing cabinet (10) and the outer barrel (20), having a flexibility part (52) following deforming thin wall of the vibrating outer barrel (20) caused by rotating the rotary barrel (30) and a rib (53) for preventing the flexibility part (52) connecting with the screw (80), a linking partial surface (12a) stalled at sides of the front panel (12) of the corrugated pipe (50) is concave surface to prevent the screw (80) projecting.

Description

Tumbling-box washing machine

Technical field

The present invention relates to have the tumbling-box washing machine of sealed cabinet and the annular seal parts in the gap of outer bucket.

Background technology

Tumbling-box washing machine is owing to carry out the taking-up of washings and putting into easily, and can wash with less water by the Patting type mode of washing, constantly increases so sell the platform number.Such tumbling-box washing machine have cabinet, the outer bucket that in cabinet, disposes, rotation freely be configured in swing roller in the outer bucket and sealed cabinet and outside barrel the gap and follow the outer barrel of bellows (seal member) that is out of shape that vibrates by the rotation of swing roller.

And cabinet possesses the front panel that forms its frame etc. and the surface that covers front panel etc. and constitutes the pattern panel of the exterior design face of tumbling-box washing machine, and front panel etc. link by screw (coupling member) mutually with the pattern panel.

Therefore, be accompanied by the vibration of the rotation of swing roller and outer bucket and the bellows that is out of shape if contact with screw, then this bellows wearing and tearing and formation hole or crackle have the danger of leaking.

So for preventing this abrasion of corrugated pipe, the technology to bellows coating low-friction material of having proposed is (with reference to patent documentation 1: TOHKEMY 2003-164690 number bulletin).

Prevent about this abrasion of corrugated pipe, wish to have better technological improvement.

Summary of the invention

So problem of the present invention provides the tumbling-box washing machine that seal members such as a kind of bellows are difficult to wear and tear.

As the method that solves above-mentioned problem, tumbling-box washing machine of the present invention has: have the cabinet that has linked the structure of a plurality of panels in its front side with coupling member; Be configured in the above-mentioned cabinet and store the outer bucket of washings or washings; Rotation is located in the above-mentioned outer bucket freely and holds the swing roller of washings; And the annular seal parts that seal the gap of above-mentioned cabinet and above-mentioned outer bucket, above-mentioned seal member has flexible portion of following the above-mentioned outer barrel of for example thin-walled that is out of shape that vibrates by the rotation of above-mentioned swing roller and the contact preventing portion that prevents this flexible portion and above-mentioned coupling member, this tumbling-box washing machine is characterised in that, the surface that is bonded part that is configured in the above-mentioned panel of above-mentioned seal member side is a concave surface, and is outstanding to prevent above-mentioned coupling member.

According to this tumbling-box washing machine, be that concave surface is outstanding to prevent coupling member owing to be configured in the surface that is bonded part of the panel of seal member side, so contact preventing portion is difficult to touch coupling members such as screw, and contact preventing portion is difficult to distortion.Thus, the flexible portion of thin-walled is difficult to contact with strained contact preventing portion.Therefore, the wearing and tearing of flexible portion have been prevented.

The present invention has following effect.

According to the present invention, the tumbling-box washing machine that can provide seal members such as bellows to be difficult to wear and tear.

Description of drawings

Fig. 1 is the stereoscopic figure about the drum-type washing drying machine of first embodiment.

Fig. 2 is the stereogram about the drum-type washing drying machine of first embodiment, and expression is opened door and dismantled the state of pattern panel.

Fig. 3 is the longitudinal section about the drum-type washing drying machine of first embodiment.

Fig. 4 is the enlarged drawing of the major part M of drum-type washing drying machine about first embodiment shown in Figure 3.

Fig. 5 represents the figure about the major part of the drum-type washing drying machine of second embodiment.

Fig. 6 represents the figure about the major part of the drum-type washing drying machine of the 3rd embodiment.Among the figure:

The 1-drum-type washing drying machine, the 10-cabinet, the 12-front panel, the 12a-surface, the 12b-concave surface,

13-pattern panel, the outer bucket of 20-, the 30-swing roller, 50-bellows (seal member),

The 52-flexible portion, 53-rib (contact preventing portion), the 60-door, 80-screw (coupling member),

81-annular plate (other contact preventing portions), the W-washings.

The specific embodiment

First embodiment

Below, about first embodiment of the present invention, suitably describe referring to figs. 1 through Fig. 4.

Drier, bellows 50 and the door 60 of work when the drum-type washing drying machine 1 of first embodiment mainly possesses cabinet 10, outer bucket 20, swing roller 30, drying.And the rotating shaft A of swing roller 30 is configured to heeling condition (with reference to Fig. 3).Here, in order to clearly state, as shown in Figure 1, set before and after, up and down, about.

Cabinet

As shown in Figure 1, cabinet 10 is housing cabinets of drum-type washing drying machine 1, and the vibration during for convergent mode of motion is configured on the chassis base 11 of the leg 11a that has rubber system on four jiaos.But, also can be the structure of no cabinet base 11.

Cabinet 10 possesses: by the frame of formations such as the metal front panel 12 that for example obtains by punch forming (with reference to Fig. 2, Fig. 4), left panel, right panel, rear board; And cover this frame and form the exterior design face of drum-type washing drying machine 1 (with reference to Fig. 4) such as resinous pattern panels 13.Front panel 12 and pattern panel 13 interconnect by the screw 80 (coupling member) that rearward is screwed into.That is, cabinet 10 has the structure of utilizing screw 80 to link front panel 12 and pattern panel 13 in its front side.

Be formed with the input port 10a (with reference to Fig. 3) of washings W in the front side of cabinet 10, input port 10a is by door 60 switches suitably.And, on the right flank of cabinet 10, be formed with the patchhole 10b that inserts aftermentioned drainpipe 24.

Front at cabinet 10 is upper right, has disposed the unlock button of pushing for the locking of removing door 60 14.

In addition, in the front of cabinet 10, except aftermentioned detergent box 19, also dispose filter box 15A, filter box 15B, operating portion 16A, 16B.In filter box 15A, loaded the filter of line bits that the recirculated water that circulates when being used to reclaim with washing or rinsing accompanies etc.In filter box 15B, loaded the filter that is used to reclaim the air of circulation accompanies when dry dust etc.The part of the operating portion 16A person of being to use operation in order to select washing mode etc., display part 16B is the part that shows the washing mode selected etc.

Have again, on the left surface and right flank of cabinet 10, be provided with the handle 17 that is used to carry drum-type washing drying machine 1 in place.

As shown in Figure 3, in the upper inside of cabinet 10, the water-supply valve 18 of electromagnetic type and the detergent box 19 of input washing agent have been disposed.And a dozen open water valves 18 just flow into running water through feed pipe 18a, water-supply valve 18, water injection pipe 18b to detergent box 19 from hose (not shown), flow in outer barrel 20 through flexible pipe 19a behind dissolving detergent.

In addition, in detergent box 19, the softener that also has been set up in parallel the rinsing result's who is used to drop into the washings W when improving rinsing softener drops into box (not shown).

Outer bucket

Outer bucket 20 be store washings or washings the round-ended cylinder body arranged, cabinet 10 in, pass through support 21 with state configuration from its supported underneath.And the axis of outer bucket 21 tilts, and becomes the state that its rear side descends, and its front openings.The passage 20a that air passes through when being formed with drying on the bucket 20 outside, passage 20b are arranged again.

Outer bucket 20 reaches the inclined degree of the rotating shaft A of coaxial therewith swing roller 30, considers the taking-up of washings W etc., and preferred rotating shaft A and horizontal plane angulation θ 1 are 5～30 °, and 15 ° optimum.

Support 21 is for example to possess cylinder body and compression helical spring and the attenuating device (with reference to Fig. 2) that constitutes.And, support 21 configuration a plurality of (for example 3) on bucket 20 the circumferencial direction outside, and support the roughly center of gravity of outer bucket 20.

The top of outer bucket 20 is by extension spring 22A, and extension spring 22B (draft helical spring) is connected on the cabinet 10.Thus, prevent that outer bucket 20 from toppling over, and keep outer bucket 20 postures, reduce simultaneously when dehydration outer bucket 20 about, side-to-side vibrations.The bottom of outer bucket 20, the draining valve of opening when finishing by washing and rinsing and during dehydration 23 is connected with drainpipe 24.

Swing roller

Swing roller 30 for example be stainless steel the round-ended cylinder body arranged, and be the bucket that holds washings W,, rotation 20 coaxial with outer bucket is configured in the outer bucket 20 freely, and side opening on its top rake.Motor 31 (for example DC-DC brushless motor) is installed by (not shown) such as carriages in the outside of bucket 20 diapires outside, and the output shaft 31a of motor 31 extends in the outer bucket 20 by the output shaft hole of the diapire of outer bucket 20.And the diapire of swing roller 30 is fixed on the output shaft 31a by the discoid stiffener (not shown) of ring flange, reinforcement diapire.That is, swing roller 30 is supported on the motor 31 freely with the cantilevered fashion rotation.

And, on the circumferential wall of swing roller 30, be formed with a plurality of dewatering hole 30a.And when dehydration, if make swing roller 30 rotations by motor 31, then owing to centrifugal force, the moisture of washings W is through outwards bucket 20 dehydrations of dewatering hole 30a.

Moreover, on the diapire of swing roller 30, a plurality of passage 30b. that air is passed through

In addition, on the inner peripheral surface of swing roller 30, in a circumferential direction uniformly-spaced to be provided with many lifters 32 (for example under 3 the situation, 120 degree at interval).Thus, the washings W of swing roller 30 inboards (bottom side) also can rise effectively.

And,, be provided with the fluid balancer 33 of ring-type at the edge part of the front openings of swing roller 30.The balance of the swing roller 30 of rotation reduced vibration when fluid balancer 33 kept dehydration.This fluid balancer 33 is the space of portion with ring-type within it, holds the high fluids of proportion such as potassium chloride solution in this space.

Drier

Drier is by with the mechanism of washings drying, possessing fan 41, heater 42, dehumidifier 43 in drying time work.Fan 41 and heater 42 are configured on the outer bucket 20.Dehumidifier 43 is the outside of bucket 20 diapires outside, is configured on the position of staggering with motor 31.And dehumidifier 43 possesses the cooling tube (not shown) of cryogen such as running water circulation.

In addition, when dry, if fan 41, heater 42 and dehumidifier 43 work, then from the air of fan 41 by after heater 42 heating, the passage 20a by outer bucket 20 is sent in the swing roller 30.Then, this air is sent into dehumidifier 43 by the passage 30b of swing roller 30, the passage 20b of outer bucket 20, return fan 41, so circulation after dehumidifying with dehumidifier 43.

Bellows

Bellows 50 is seal members of the ring-type in gap between outer bucket 20 of sealing and the cabinet 10, forms by having flexible rubber etc., is bellows-shaped (with reference to Fig. 3,4).This bellows 50 utilizes spring 58, the spring 59 of ring-type, is installed in respectively on the front panel 12 and outer bucket 20 that constitutes cabinet 10.Thus, washings and washings can not be invaded the inside of cabinet 10.And if the closed position is closed and be configured in to door 60, then door 60 is pressed in the bellows 50, and door 60 and bellows 50 are adjacent to.Air when thus, preventing washings, washings, drying drains to the outside.

And bellows 50 has the lip 51 (with reference to Fig. 4) of the ring-type that tilts to give prominence at radially inner side.And if its closed position is closed and be configured in to door 60, then door 60 is pressed in the bellows 50, and when lip 51 was expanded to radial outside, lip 51 clamped door 60 to radially inner side, its result, and door 60 and bellows 50 are adjacent to.

Door

Door 60 is in order to put into and take out washings W at swing roller 30, and the suitable lid of the input port 10a of switch cabinet 10, by having the hingen of cursor 71, switch is installed on the cabinet 10 freely.

And door 60 utilizes suitable locking mechanism locked in its closed position.Have, one pushes unlock button 14 (with reference to Fig. 1), just can remove the locking that utilizes above-mentioned locking mechanism again.

The structure of the major part of drum-type washing drying machine

Below, the structure of the major part of drum-type washing drying machine 1 is described with reference to Fig. 4.

Bellows 50 is the parts in gap between sealed cabinet 10 and the outer bucket 20 as mentioned above, and is to follow the outer bucket 20 rubber member mades cylindraceous that are out of shape that vibrate by the rotation of swing roller 30.Bellows 50 has: for following outer bucket 20 easy deformation and the deflection of vibration, form and have a flexible portion 52 that flexible cross section is the semicircle arcuation with thin-walled; And for preventing the preceding end in contact of flexible portion 52 and screw 80, from the rib 53 of its periphery to the ring-type of radial outside formation.

And, be configured in the surperficial 12a of the front panel 12 of bellows 50 sides, become concave surface in the part (being bonded part) that links with screw 80, outstanding with the front end that prevents screw 80.That is, the part with screw 80 bindings of plate 12 from bellows 50 sides, is formed with recess 12b in front, and the front end of screw 80 is outstanding.

In addition, the front end of rib 53 is configured in radial outside than footpath side's outer ledge of recess 12b.That is, the distance D 1 of 53 radial outside front end from rotating shaft A to rib is arranged to the also big (D1＞R1) of distance R 1 than the radial outside edge from rotating shaft A to recess 12b.

Thus, even bellows 50 is out of shape along with the vibration of outer bucket 20, rib 53 also is difficult to enter in the recess 12b, thereby prevented the distortion of rib 53, its result has also prevented the situation that flexible portion 52 contacts with the rib 53 of distortion, thereby has prevented wearing and tearing, damage with the flexible portion 52 of thin-walled formation.

Have, the center 52a of flexible portion 52 is configured on the radially inner side than the radially inner side edge of recess 12b again.That is, the distance D 2 of 52 center 52a from rotating shaft A to flexible portion is arranged to the 2 also little (D2＜R2) of distance R than the radially inner side edge from rotating shaft A to recess 12b.And diametrically, the surperficial 12a of the front panel 12 corresponding with the center 52a of flexible portion 52 forms tabular surface.

Thus, even rib 53 contacts with front panel 12, and flexible portion 52 contacts with rib 53, owing to form tabular surface as mentioned above, so rib 53 bigger distortion can not take place yet, its result has prevented wearing and tearing, the damage of flexible portion 52.

Like this, the center 52a of flexible portion 52, the radially inner side edge that cans be compared to most recess 12b be configured in radially inner side (D2＜R2), if than the front-end configuration of rib 53 at radially inner side (D2＜D1), just can prevent wearing and tearing, the damage of flexible portion 52.

Second embodiment

Below, with reference to Fig. 5 second embodiment of the present invention is described.

As shown in Figure 5, screw 80 than the front-end configuration of rib 53 at radial outside.That is, 80 the distance R 3 from rotating shaft A to screw is arranged to the also big (R3＞D1) of distance D 1 than 53 the radial outside front end from rotating shaft A to rib.And having the surface of the front panel 12 of the possibility that contacts with rib 53 is tabular surface.

Thus, prevent the situation that rib 53 is out of shape with the preceding end in contact of screw 80.Therefore, therefore the situation that can not exist flexible portion 52 to contact with the rib 53 of distortion has prevented wearing and tearing, the damage of flexible portion 52.

In addition, roughly certain in order to ensure the thickness of slab of pattern panel 13, and the formation bearing surface corresponding with the shape of front panel 12, form rib 13a in position.Therefore, when carrying out the moulding of resinous pattern panel 13, can prevent pore etc.

The 3rd embodiment

Below, with reference to Fig. 6 the 3rd embodiment of the present invention is described.

As shown in Figure 6, between rib 53 and front panel 12, be provided with the resinous annular plate 81 (other contact preventing portions, stiffener) with the moulding of ring flat-plate shape, from rib 53 1 sides, the front end of screw 80 is hidden.And annular plate 81 is fixed on the front panel 12 by being formed at fastening pawl (not shown) on the appropriate location etc. in a circumferential direction.

Thus, prevented the situation that rib 53 is out of shape with the preceding end in contact of screw 80.Therefore, can there be flexible portion 52 and the situation that the rib 53 that has been out of shape contacts, have prevented wearing and tearing, the damage of flexible portion 52.

And even rib 53 contacts with annular plate 81, because the surface of annular plate 81 is tabular surfaces, so rib 53 can not be out of shape significantly yet, can prevent wearing and tearing, the damage of flexible portion 52.

More than, suitable embodiment of the present invention has been described, but the present invention is not limited to above-mentioned embodiment, in the scope that does not break away from main contents of the present invention, it is also passable for example to carry out following change.

In the respective embodiments described above, for example understand the situation of the drum-type washing drying machine 1 apply the present invention to have functions/drying, but also can be applied to not possess the tumbling-box washing machine of functions/drying.

In the respective embodiments described above, for example understand the situation of the rotating shaft A inclination of swing roller 30, but also can not tilt but horizontal direction.

Claims

1. tumbling-box washing machine has:

Has the cabinet that has linked the structure of a plurality of panels in its front side with coupling member;

Be configured in the above-mentioned cabinet, and store the outer bucket of washings or washings;

Rotation is located in the above-mentioned outer bucket freely, and holds the swing roller of washings; And

Seal above-mentioned cabinet and the above-mentioned seal member of the ring-type in the gap of bucket outward,

Above-mentioned seal member has: follow the above-mentioned outer barrel of flexible portion of vibrating by the rotation of above-mentioned swing roller of being out of shape and prevent the contact preventing portion that this flexible portion contacts with above-mentioned coupling member.

It is characterized in that the surface that is bonded part that is configured in the above-mentioned panel of above-mentioned seal member side is a concave surface, outstanding to prevent above-mentioned coupling member.

2. tumbling-box washing machine has:

Above-mentioned seal member has: follows the above-mentioned outer barrel of flexible portion of vibrating by the rotation of above-mentioned swing roller of being out of shape and prevents the contact preventing portion that this flexible portion contacts with above-mentioned coupling member,

It is characterized in that above-mentioned coupling member is configured in radial outside than above-mentioned contact preventing portion.

3. tumbling-box washing machine has:

It is characterized in that between above-mentioned coupling member and above-mentioned contact preventing portion, having other contact preventing portions that prevent that this contact preventing portion from contacting with above-mentioned coupling member.