The specific embodiment
Below, describe based on accompanying drawing about embodiment of the present utility model.
(the 1st embodiment)
As be shown in Fig. 1,2 ground, drum-type washing machine 10 possesses: have washings dispensing port 12 outer container 14, place in outer container 14 supported by elasticity as the tank 16 of water container and can be equipped on swivelling chute 18 in the tank 16 rotatably as cylinder.
Outer container 14 basically forms and is the rectangular box shape, and in its front circular recess 20 is set, and forms circular washings dispensing port 12 at recess 20.At recess 20, the door 22 that aforementioned dispensing port 12 is opened and closed is installed.
Door 22 constitutes, and the hinge 23 of the left and right sides either party of opening edge portion by being arranged at dispensing port 12 is provided with to such an extent that can rotate, and places in recess 20 under the state that makes dispensing port 12 sealings.Door 22 comprises ring-type door frame 24 and side is with the formed door main body portion 26 as windowpane of the material that can have an X-rayed rinsing maching inside within it, and the inside shapes become and compare with dispensing port 12 to the depth shape that bloats of direction inside in the door main body portion 26.
Tank 16 forms cylindric, makes a core towards horizontal direction, strictly speaking towards the place ahead and towards the direction that tilts a little upward, and the blocked back side, is supported by the base plate institute elasticity of outer container 14 by not shown damper.
The dispensing port 12 of and above-mentioned outer container 14 positive at tank 16 relative to position opening forwards, be configured for washings is entered the interior circular open portion 28 of swivelling chute 18 from dispensing port 12 inputs.
Swivelling chute 18 is connected to not shown motor for dispose coaxially with tank 16 and the cylindrical structural member at the blocked back side constitutes in that tank 16 is inner, can with the coaxial axle core of tank 16 be that the center rotates.
The peristome 30 in swivelling chute 18 fronts constitutes, the subtend and being provided with axially at peristome 28 rears of tank 16, and washings can be rendered in the swivelling chute 18 by peristome 28 and peristome 30 from dispensing port 12.
Also have, form a plurality of through holes 32 at the cylindrical wall of swivelling chute 18, the water in the swivelling chute 18 and tank 16 interior water can circulate mutually by these a plurality of through holes 32.
Between the peristome 28 of the dispensing port 12 of outer container 14 and tank 16, as be shown in Fig. 2 ground configuration bellows 34 cylindraceous, watertight ground between the two is connected.Bellows 34 is formed by EPDM elastomers (elastomeric material) such as (EP rubbers), tank 16 performance water-proof function and anti-vibration functions, the described water-proof function vibration relativity ground servo-actuated generation strain by outer container 14 during with respect to washing work, during rinsing work and during dehydration work produces; Described anti-vibration functions passes to outer container 14 in the vibration in when washing from tank 16 to motor to be suppressed.
Bellows 34 is short cylindrical member, in its axial end (leading section), outer container side installation portion 36 with the dispensing port 12 that is installed on outer container 14, and, have the tank side installation portion 38 of the peristome 28 that is installed on tank 16 in axial the other end (rearward end).
Bellows 34 possesses cylindrical portion 39 and pars contractilis 40, described cylindrical portion 39 be from outer container side installation portion 36 rearward (depth side) extend cylindric, described pars contractilis 40 from these cylindrical portion 39 rear ends to the outer circumferential side accordion-like turn back and be connected in tank side installation portion 38.
In the periphery of cylindrical portion 39, dispose buffer component 41 cylindraceous.Buffer component 41 is a cushion material, prevents to produce abnormal sound because pars contractilis 40 generation strains directly contact cylindrical portion 39 when tank 16 vibration, is formed with EPDM foaming body etc.
And,, form flange shape buffer wall 42 towards the radial direction outside direction at cylindrical portion 39 outer peripheral faces.Buffer wall 42 prevents when strain has taken place pars contractilis 40 directly contact header board 44 inner faces between pars contractilis 40 and the header board 44 at the outer container 14 in its place ahead.
At the outer container side installation portion 36 that is equivalent to leading section of bellows 34, the side-prominent lip shape member (lip) 46 that ring-type is set in radial direction.Lip shape member 46 by contact door main body portion 26 inner faces, is brought into play sealing function between it is with 22 under the blocked state of door 22.
Describe to the fixed structure of tank 16 about tank side installation portion 38.At the leading section of tank 16, side-prominent inward flange portion 48 in direction radially is set, the inboard of inward flange portion 48 forms peristome 28.
In inward flange portion 48, outstanding cylindric installation tube portion 50 is set towards the place ahead and from installation tube portion 50 front ends to the outside outstanding mounting flange portion 52 of direction radially, thus, form gomphosis groove 54 at the outer circumferential side of installation tube portion 50.
The tank side installation portion 38 of bellows 34 possesses the junction surface 58 of slot part 56 that mounting flange portion 52 embeds and the basic U shape of section that is embedded in gomphosis groove 54, by 58 the chimeric annularly fastening wire rod 60 of periphery, tank side installation portion 38 is mounted on the peristome 28 of tank 16 at the junction surface.
Next, describe to the fixed structure of outer container 14 about outer container side installation portion 36.Header board 44 in that the face portion setting of outer container 14 is formed by metallic plate by circular peristome is set at header board 44, forms dispensing port 12 by peristome.
In more detail, the front of header board 44 covers by resinous decorative panel 62, forms the recess 20 of outer container 14 face portion by decorative panel 62.
The opening edge portion of dispensing port 12 be turn back flange shape for what outwards give prominence to inverted cone shape.Promptly, the opening edge portion of dispensing port 12 make by making header board 44 opening edge portion forwards and the radial direction outside front side flange part 64 that expands to inverted cone shape of turning back in the scope of complete cycle, form, thus, be formed in the periphery of front side flange part 64 that section is the V shape substantially, is acute angle-shaped embeded slot 66 between the main part of itself and header board 44.
On the other hand, the outer container side installation portion 36 of bellows 34 is to carry out chimeric ring-type in the outside of above-mentioned embeded slot 66, and the stator portion 68 with fin-shaped, becomes the chimeric annularly header board 44 that is fixed in by make wire rod 70 in stator portion 68.
At length, stator portion 68 is as being shown in Fig. 2, reaching Fig. 5 ground, comprise the 1st 68A of portion rearward extending from the front end of outside installation portion 36 and from the rear end of the 1st 68A of portion to outside the 2nd 68B of portion that extends of direction radially, in interior all sides of the 1st 68A of portion front side flange part 64 is set and carries out the chimeric slot part 72 open towards the rear, section basically forms the Z shape.
Wire rod 70 has coil spring part 74 (with reference to Fig. 3) in the part of Zhou Fangxiang, and desires the elastic force of radial contraction by it, with the stator portion 68 fastening header boards 44 that are fixed in.That is, stator portion 68 is extruded in the embeded slot 66 by wire rod 70, and the fastening force by wire rod 70 is fixed in the embeded slot 66.
As be shown in Fig. 3 ground, wire rod 70, the 1st installing hole 76 of the opening edge portion by the dispensing port 12 that one end 70A is suspended to be arranged at outer container 14 fixes an end, twine 1 circle and then the opening edge portion by the other end 70B being suspended to be arranged at dispensing port 12 around 12 annularly from this along dispensing port the 2nd installing hole 78 is the other end fixedly, is installed as ring-type thus.
At the other end 70B said spiral spring portion 74 is set, makes a part and an end 70A of the Zhou Fangxiang part comprise this coil spring part 74 on Zhou Fangxiang, have predetermined lap 70C ground, be suspended to the 2nd installing hole 78 and fixing the other end 70B.This lap 70C is owing to making the installation exercise of wire rod 70 easily carry out, so be disposed at the upper limb side of dispensing port 12.
As be shown in Fig. 2 ground, in stator portion 68,, the projection 80 that prevents that bellows 34 breaks away from from wire rod 70 is set than the top ends of the fastening part that forms by wire rod 70 by outer circumferential side.
The projection 80 outstanding top ends that are arranged at stator portion 68 make in the thickness T 1 at stator portion 68 top ends places thicker than the thickness T of locating in the fastening part that is formed by wire rod 70 0.
At length, projection 80 towards the direction of leaving header board 44 walls highlightedly, erectly is provided with respect to wall in the radial direction outer peripheral edges portion of the 2nd 68B of portion that extends along header board 44 walls.
Projection 80 forms the prominent bar that extends along Zhou Fangxiang in the top ends of stator portion 68, in this embodiment, as be shown in Fig. 3, Fig. 4 ground, form in the Zhou Fangxiang position of the aforementioned lap 70C that is equivalent to wire rod 70 (that is upper portion) and have the basic C shape of overlooking of notch part 82.
And projection 80 is set at, and is highly certain and width is also certain on Zhou Fangxiang.Also have, full coat is represented for the shape that makes projection 80 understands easily in Fig. 3,4.
In the rinsing maching 10 of the present embodiment of above-mentioned formation, can play following action effect.Promptly, outer container side installation portion 36 places at bellows 34, when in swivelling chute 18, take out washings, with washings when dispensing port 12 is thrown in the swivelling chute 18, the lip shape member 46 of bellows 34 is sometimes because washings and by forwards or the pulling of swivelling chute 18 internal direction.
At this moment, in the stator portion 68 of bellows 34, work to the inboard power that pulls of direction radially because crossing the front side flange part 64 of the header board 44 that is arranged at outer container 14, so the connecting portion disengaging of stator portion 68 from forming by wire rod 70, consequently, bellows 34 might come off from outer container 14.
With respect to this, in the present embodiment, because the top ends of the stator portion 68 of bellows 34 be provided be used for anti-anti drop-off from projection 80, so until wire rod 70 cross projection 80 during, in other words then during projection 80 is bored more wire rod 70, can prevent that bellows 34 breaks away from from the front side flange part 64 of the header board 44 that is arranged at outer container 14.
Though, can make stator portion 68 break away from required breakaway force and bring up to for example more than 2 times from outer container 14 also with the height correlation of projection 80.
In other words, though then be the fixed structure that is formed by wire rod 70, additional because of the so simple formation of projection 80 can fully guarantee to suppress the anti drop-off power that bellows breaks away from from outer container.
Though as long as projection 80 is arranged at least a portion of Zhou Fangxiang, but in the present embodiment, because form by prominent bar along Zhou Fangxiang, so situation about forming than a plurality of projections are configured to point-like, can on Zhou Fangxiang, strengthen mutually, therefore, wire rod 70 is difficult to cross more, can improve the anti drop-off effect.
And in the present embodiment, the lap 70C place that projection 80 forms at wire rod 70 has the C shape of notch part 82, that is, projection 80 is not arranged at lap 70C.
Therefore, for example, the coil spring part 74 that can avoid wire rod 70 assembled undesirable condition under the state that is placed on the projection 80 makes the installation exercise of wire rod 70 increase.
And, because at the notch part 82 that this projection 80 is not set, because lap 70C and wound wire 70 doubly, so even do not exist projection 80 can guarantee the anti drop-off power that inhibition bellows to a certain degree breaks away from from outer container yet.
Also have, at the tank side installation portion 38 of bellows 34, so the anti drop-off projection be arranged at by wire rod 60 fastening junction surface 58.Lean on the radial direction outside because tank side installation portion 38 is positioned at than the cylindrical portion 39 of bellows 34, and connect, so when picking and placeing washings, do not have excessive power effect by pars contractilis 40.
Therefore therefore,, guarantee that the necessity of big anti drop-off power is less, so only the junction surface 58 of tank side installation portion 38 is set to the basic U shape of section along engaging grooves 54 because unlike outer container side installation portion 36.
(the 2nd embodiment)
Fig. 6 is that the bellows 34A in expression the 2nd embodiment wants the profile of portion.In this embodiment, the projection 80A that is arranged at stator portion 68 of bellows 34A becomes the point of short transverse band step shape, and is different with the 1st embodiment.
Promptly, in this embodiment, projection 80A is in being shown in the section shape of Fig. 6, form the band step shape of all side parts 84 and outer circumferential side part 86 in comprising, described in all side parts 84 be lower than interior all side part 84 from the projecting height of the near side of the connecting portion that forms by wire rod 70, described outer circumferential side part 86.
Under this situation, the higher interior all side parts 84 of projecting height are for to prevent the original anti drop-off projection that wire rod 70 is crossed, and all side parts 84 improved the anti drop-off effect and are provided with in the lower outer circumferential side part 86 of height of all side part 84 peripheries was used to strengthen in being arranged at integratedly.
The projection 80A of this band step shape can be certain section shape on Zhou Fangxiang both, perhaps also can alternately be provided with on Zhou Fangxiang with the section shape that does not have outer circumferential side part 86.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.
(the 3rd embodiment)
Fig. 7 is the vertical view of the bellows 34B in the 3rd embodiment.In this embodiment, the 1st projecting strip part that wide cut alternately is set on the Zhou Fangxiang of stator portion 68 divides 88 and divide 88 to be in a ratio of in a narrow margin the 2nd projecting strip part and to divide 90 and constitute the point of the projection 80B that is arranged at stator portion 68 of bellows 34B with the 1st projecting strip part, and is different with the 1st embodiment.Also have, full coat is represented (still, except the enlarged drawing) for the shape that makes projection 80B understands easily in Fig. 7.
That is, overlook the projection 80B that is the C shape by the 1st projecting strip part that wide cut alternately is set on Zhou Fangxiang divide 88 and width divide 90 than its 2nd narrow projecting strip part, become the band step shape on width.
In more detail, as be shown in Fig. 7, Fig. 8 ground, the 1st projecting strip part of wide cut divides 88 to divide 90 at radial direction outside thickening with respect in a narrow margin the 2nd projecting strip part, by so constituting, forms the shape of stretching out to the direction outside radially by the predetermined space of Zhou Fangxiang.
Under this situation, divide 88 on Zhou Fangxiang, strengthen the anti drop-off shape, can prevent more effectively that bellows 34B breaks away from from wire rod 70 by the 1st projecting strip part that wide cut is set intermittently.
And the situation than the 1st projecting strip part that wide cut is set in Zhou Fangxiang integral body divides when bellows 34B is installed on outer container 14, is installed on embeded slot 66 with stator portion 68 broadenings easily, thereby, can take into account installation exercise and anti drop-off effect.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.
(the 4th embodiment)
Fig. 9 is the vertical view of the bellows 34C in the 4th embodiment.In this embodiment, make the projection 80C that is arranged at stator portion 68 of bellows 34C interrupted on Zhou Fangxiang, the point that in other words projection 80C then is set intermittently is different with the 1st embodiment.Also have, full coat is represented for the shape that makes projection 80C understands easily in Fig. 9.
Promptly, in this embodiment, though at projection 80C for be provided with the overlooking of notch part 82 in the position of the lap 70C that is equivalent to wire rod 70, in C shape part to the point of C shape is identical with the 1st embodiment, be not to be arranged on Zhou Fangxiang to go up consecutive prominent bar, and be provided with intermittently with predetermined space.
By projection 80C is set so intermittently, when bellows 34C is installed on outer container 14, easily stator portion 68 broadenings are installed on embeded slot 66, can improve installation exercise.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.
(the 5th embodiment)
Figure 10 is that bellows 34D in the 5th embodiment wants portion's amplification profile at stator portion 68 places.In this embodiment, in the section shape of stator portion 68, projection 80D is different with the 1st embodiment with respect to the root shape of the 2nd 68B of portion.
That is, make from the root radius of curvature of the outstanding projection 80D of the 2nd 68B of portion, different with outer circumferential side in interior all sides, outer circumferential side root radius of curvature R 2 one sides set greatly than the radius of curvature R 1 of all lateral roots portion that is positioned at wire rod 70 sides.
Radius of curvature R 1 by all sides in so making is less, can make wire rod 70 be difficult to be placed on the projection 80D, and, bigger by the radius of curvature R 2 that makes outer circumferential side, can strengthen projection 80D and make it be difficult to swing to the outside.
Consequently, can prevent more effectively that bellows 34D breaks away from from wire rod 70.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.
(the 6th embodiment)
Figure 11 is that bellows 34E in the 6th embodiment wants portion's amplification profile at stator portion 68 places.In this embodiment, in the section shape of stator portion 68, point two-sided in the 2nd 68B of the portion table is different with the 1st embodiment in that projection 80E is arranged at.
That is, in this embodiment, projection 80E comprise from the 2nd portion 68B surface (that is the face of front side) forwards outstanding the 1st protuberance 92 and in the 2nd 68B of portion the inside (that is the face of rear side) to the 2nd side-prominent protuberance 94 of header board 44.
So also be provided with under the situation of projection (the 2nd protuberance 94) in interior the inside side, when carrying out with 70 pairs of stator portions of wire rod 68 when fastening, owing to the 2nd protuberance 94 that has interior the inside side makes the 1st protuberance 92 of face side become to the oblique state of wire rod 70 inclinations, can make the 1st protuberance 92 be difficult to topple over laterally.
Therefore, can prevent more effectively that bellows 34E breaks away from from wire rod 70.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.
(the 7th embodiment)
Though in the above embodiment, projection 80,80A~80E are provided with 1 weight, also can be provided with multiple in 2 heavy~3 important places.
Figure 12 represents the bellows 34F in the 7th embodiment, and 2 important places are provided with projection 80F.And, do not set up and put inside and outside 2 weights, also between the prominent bar 98 of the prominent bar 96 of interior all sides and outer circumferential side, 100 pairs two prominent bars 96,98 of radial rib shape portion are set connect.Rib shape portion 100 separates predetermined space and is provided with on Zhou Fangxiang.Also have, in Figure 12, illustrate full coat for the shape that makes projection 80F understands easily.
By inside and outside 2 heavily prominent bars 96,98 so are set, both are connected with radial rib shape portion 100, can strengthen preventing interior all pleurapophysis bars 96 that wire rod 70 breaks away from, prevent that effectively bellows 34F breaks away from from wire rod 70.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.
(the 8th embodiment)
Figure 13 represents the bellows 34G in the 8th embodiment.Though 2 important places are provided with projection 80G, interior evagination bar 96,98 all is provided with intermittently, and the prominent bar 96 of interior all sides disposes differently mutually on Zhou Fangxiang with the prominent bar 98 of outer circumferential side.
By so constituting, can take into account installation exercise and the anti drop-off effect of bellows 34G to outer container 14.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.Also have, full coat illustrates for the shape that makes projection 80G understands easily in Figure 13.
(the 9th embodiment)
Though in the above embodiment, all constituted projection 80,80A~G,, be not limited to the prominent bar that extends along Zhou Fangxiang as long as projection is arranged at least a portion of Zhou Fangxiang by the prominent bar that extends along Zhou Fangxiang.
Figure 14 represents the bellows 34H in the 9th embodiment, and projection 80H basically forms pin (pin) shape, separates predetermined space and be arranged side by side on Zhou Fangxiang.
Even the phase of so selling shape is projection 80H independently, also can prevent that by the top ends of thickening stator portion 68 bellows 34H breaks away from.Other formations and action effect are identical with the 1st embodiment, and explanation is omitted.
(other embodiments)
Except the respective embodiments described above, though not shownly can adopt different shape as shape for lugs.For example, also can projection be set 3 weights abovely, be unequal interval with them in the arranged spaced of radial direction.And the shape for lugs of each above-mentioned embodiment can suitably make up and adopt.
Also have, under situation, also can on the Zhou Fangxiang of dispensing port 12, only be arranged at the lower portion of its opening edge as the reinforcement structure that projection is set of Fig. 6 and/or Fig. 7, Figure 10~Figure 12.Because when picking and placeing washings, the lower edge side of dispensing port 12 is partly afterburning easily in bellows 34, disengaging easily than other parts, so by being defined in this part the reinforcement structure is set, can seek the more effective anti drop-off of bellows.