CN101173466A

CN101173466A - Driving unit structure of drum washing machine

Info

Publication number: CN101173466A
Application number: CNA2006100164810A
Authority: CN
Inventors: 金秀凤
Original assignee: Nanjing LG Panda Appliance Co Ltd
Current assignee: Nanjing LG Panda Appliance Co Ltd
Priority date: 2006-10-30
Filing date: 2006-10-30
Publication date: 2008-05-07

Abstract

The invention discloses a combining structure for a stator and a drum used for a washing device, which comprises a plurality of dropping height parts and non-dropping height parts are formed through a radial shape for the posterior wall surface of the drum; a combining part is formed respectively prominently at central side part for each dropping height part; the stator comprises a iron core part with sawteeth which is reeved at the coil of the sawteeth and respectively jointed at each combining part for the sawteeth and surrounded around a first insulator at the front part of the iron core part and a second insulator at the rear part of the iron core part, which is used for the part that the front separation of the first insulator combines each combining part of the drum and the separation rib for the part reeving the coil; the rotor is arranged at outside of the stator and forms a motor together with the stator.

Description

The driving part structure of roller washing machine

Technical field

The present invention relates to roller washing machine, more detailed says so, and relates to the drive division of direct-coupled type roller washing machine.

Background technology

Generally speaking, according to the difference of type of drive, roller washing machine can be divided into following several: by being wound in the belt of motor pulley and drum pulley, the indirect interconnection system that is delivered to cylinder that the driving force of motor is indirect; The rotor of BLDC motor is directly connected in cylinder, directly the driving force of motor is delivered to the direct-coupled type of cylinder.

Driving force at motor is not directly delivered to cylinder, but in the mode of transmitting by the belt that is wound in motor pulley and drum pulley, can the produce power loss in the driving force transmittance process, and in power transmission process, can produce a lot of noises.

Therefore, for the problem of the roller washing machine that solves aforesaid conventional art, utilize the use of the direct-coupled type roller washing machine of BLDC motor to show a rising trend.

Below, with reference to the accompanying drawings 1, the structure of the direct-coupled type roller washing machine of conventional art is carried out simple explanation.

Fig. 1 is the skiagraph of structure that shows the roller washing machine of conventional art.Housing 1 inboard is provided with bucket 2, the rotatable cylinder 3 that is provided with of inboard central authorities of said bucket 2.

And the rear side of said bucket 2 is provided with the motor that is made of stator 6 and rotor 5.Said stator 6 is fixed in the rear wall parts of said bucket 2, and above-mentioned rotor 5 is around said stator 6, and the perforation bucket, and axle is incorporated into cylinder 3.

Fig. 2 is the incision oblique view of major part that shows the rear wall parts part of bucket.

At this moment, the rear wall parts central authorities of said bucket 2 possess the bearing of metal material shell 7 are arranged.The effect of above-mentioned bearing shell is that support being arranged at the bearing on the thin axle 4 both ends outer peripheral faces respectively, also is used to connect stator 6 simultaneously.

The rear wall parts of said bucket 2 is to be made of fall-part 21 and non-fall-part 22.In above-mentioned fall-part 21, be formed with joint portion 23 in the center side that forms above-mentioned bearing shell 7, above-mentioned joint portion 23 will combine with said stator 6.And above-mentioned non-fall-part 22 is formed with a plurality of intensity ribs 22a.

In addition, Fig. 3 is the outward appearance oblique view of stator 6.Stator 6 in the conventional art comprises following components and constitutes: the iron core portion 61 that makes the annular of coil winding;

Insulator

62,63; Hall element sub-assembly 64; The collapsible outer envelope assembly 65 of used for electric power connection.

Here, above-mentioned insulator the 62, the 63rd, by in drawing above above-mentioned iron core portion 61 and below the 1st insulator 62 and the 2nd insulator 63 that form constitute.The inner face of above-mentioned each

insulator

62,63 is formed with a plurality of

protuberance

62a, 63a, and in order to form connecting

hole

62b, 63b, above-mentioned

protuberance

62a, 63a are to projecting inward formation.

Joint portion 23 screws in the rear wall parts of above-mentioned each connecting

hole

62b, 63b and said bucket 2 are connected.

At this moment, the above-mentioned protuberance 62a on above-mentioned the 1st insulator 62 is formed with a plurality of determining positions protuberance 62c, and when stator 6 was incorporated into said bucket 2, above-mentioned determining positions protuberance 62c was used to determine the position.Joint portion 23 in the rear wall parts of said bucket 2 is formed with a plurality of location decisions kong 23a, and above-mentioned location decisions kong 23a can make above-mentioned determining positions protuberance 62c insert.

But, aforesaidly being used for the structure between 2 in conjunction with stator 6 and bucket, each determining positions protuberance 62c forms the thinner pin of diameter, therefore in assembling process or in the carrying, is easy to because external impact and impaired.

Because the breakage of above-mentioned each determining positions protuberance 62c can't be finished the work that stator 6 is connected in bucket 2 easily.

Particularly, as shown in Figure 4, in the washing machine that utilizes the direct swing roller 3 of BLDC motor, stator 6 directly has been installed in the fixation side at bucket 2 rears.But, weight in said stator 6 only is more than the 1.5kg just, and the dehydration rotary speed is that big capacity roller washing machine about 600-2000RPM is with in the motor, because the vibration the when weight of stator 6 and high speed are rotated, and the rocking and reason such as distortion of rotor 5, the connecting portion between stator 6 and the bucket 2 is easy to impaired.

Moreover, using the BLDC motor, stator 6 is connected in the roller washing machine of bucket 2 rear wall parts, the diametric(al) of stator 6 is almost parallel with ground, the vibration that produces when therefore washing machine moves will cause the destruction of the connecting portion between said stator 6 and the said bucket 2 more serious.

Therefore, in order to prevent breakage, in structure in the past, must possess the bucket support (omitting diagram) of metal material, in this case, need to increase in addition the operation that the bucket support is connected in bucket 2 rear wall parts sides on the assembly line, thereby productivity is descended.

Summary of the invention

The present invention proposes in order to solve aforesaid problem points.Therefore, the object of the present invention is to provide a kind of wash mill of neomorph, carry out bucket and stator in conjunction with when work, in order to make the correct unanimity of binding site each other, and improve.

Another object of the present invention is to provide a kind of wash mill of neomorph, it is characterized in that: the said bucket that the external factor such as vibration that produce in order to prevent to move cause and the breakage of the connecting portion between the stator, and guarantee the support force of the stator of said bucket rear wall parts.

To achieve these goals, the invention provides and comprise the roller washing machine that following components constitutes: bucket, its rear surface is with radial a plurality of fall-parts and the non-fall-part of being formed with, and the center side position of above-mentioned each fall-part is protruded respectively and is formed with the joint portion; Stator, it includes the serrate iron core of formation portion, be wound in the coil of above-mentioned sawtooth, be incorporated into each joint portion of above-mentioned sawtooth respectively, and around the 1st insulator of the front of above-mentioned iron core portion, and, be used for separating the position of each joint portion that is incorporated into said bucket and be wound with the separation rib at the position of above-mentioned coil in the front of above-mentioned the 1st insulator around the 2nd insulator of the back of above-mentioned iron core portion; Rotor, it is positioned at the outside of said stator, and together constitutes motor with said stator; The contact protuberance, it be arranged in said bucket at least one joint portion each face from the face of a side of fall-part bending, under situation, be close to the inner wall at end face of above-mentioned separation rib in conjunction with said stator, and in order to prevent that it from moving, and has certain frictional force.

As mentioned above,, reach the rear surface that the mobile portion of preventing is formed at bucket, obtained following effect by contacting protuberance in addition according in the roller washing machine of the present invention:

The first, in roller washing machine of the present invention, because the effect of above-mentioned contact protuberance when the assembling stator, can determine the binding site of said stator more smoothly.

The second, in roller washing machine of the present invention,, also can prevent the breakage of the connecting portion between said stator and the said bucket because the effect of above-mentioned contact protuberance produces vibration even be in the suds.

Description of drawings

Fig. 1 is the skiagraph of structure of direct-coupled type roller washing machine of the demonstration conventional art of summary.

Fig. 2 is the incision oblique view of major part of a bucket rear wall parts part that shows the direct-coupled type roller washing machine of conventional art.

Fig. 3 is the oblique view of stator structure that shows the direct-coupled type roller washing machine of conventional art.

Fig. 4 shows the bucket of direct-coupled type roller washing machine of conventional art and the skiagraph of the integrated structure between stator.

Fig. 5 is that demonstration is according to the bucket of the direct-coupled type roller washing machine of one embodiment of the invention and the skiagraph of the integrated structure between the stator.

Fig. 6 is the oblique view of demonstration according to the bucket rear wall parts structure of the direct-coupled type roller washing machine of one embodiment of the invention.

Fig. 7 is the expanded view that shows " A " portion of Fig. 6.

Fig. 8 is the oblique view of demonstration according to the stator structure of the direct-coupled type roller washing machine of one embodiment of the invention.

Fig. 9 is that demonstration is according to the bucket of the direct-coupled type roller washing machine of another embodiment of the present invention and the skiagraph of the integrated structure between the stator.

Figure 10 is the oblique view of demonstration according to the bucket rear wall parts structure of the direct-coupled type roller washing machine of another embodiment of the present invention.

The critical piece description of reference numerals

200: bucket 210: fall-part

220: non-fall-part 221: intensity ribs

230: 231: the 1 connecting holes in joint portion

600: stator 610: iron core portion

630: the 2 insulators of 620: the 1 insulators

621,631: the 2 connecting holes 622,632: protuberance

640: coil 650: separation rib

810: contact protuberance 830: additional ribs.

910: Hall element sub-assembly 920: collapsible (lap) outer envelope assembly

The specific embodiment

Below, with reference to Fig. 5 to Figure 10, preferred embodiment of the present invention is described in detail.

Fig. 5 is the skiagraph of the demonstration of summary according to the structure of direct-coupled type roller washing machine of the present invention.

As shown in the figure, comprising following components substantially according to the roller washing machine of the embodiment of the invention constitutes: bucket 200; Stator 600; Rotor 5; Contact protuberance 810.

Here, said bucket 200 is arranged at housing 1 inboard, is used to store washings.The rotatable cylinder 3 that is provided with in the inside of said bucket.Here, said bucket 200 has the rear surface that is used for fixing stator 600.

Said bucket 200 is to be made by plastic material, and wall central authorities possess the bearing of metal material shell 7 is arranged thereafter, and above-mentioned bearing shell 7 is used for spring bearing, and connects stator 600.

Here, above-mentioned bearing shell 7 is to be made by materials such as aluminium alloys, and, in the bucket of injected-formative plastic material 200 o'clock, together injection moulding, thereby constitute one with the rear surface of said bucket 200.

In addition, as shown in Figure 6, the rear surface of said bucket 200 is formed with a plurality of fall-parts 210 and non-fall-part 220.

Here, above-mentioned fall-part 210 is outwards to protrude with respect to above-mentioned non-fall-part 220, and is the position of drop, and, at the rear surface of said bucket 200 each other across a certain distance, form a plurality of to the radiation direction.Above-mentioned non-fall-part 220 is the positions between above-mentioned each fall-part 210, is the position that does not have protrusion.

Particularly, above-mentioned non-fall-part 220 is formed with intensity ribs 221, above-mentioned intensity ribs 221 form have certain thickness tabular.Above-mentioned intensity ribs 221 is kept a determining deviation along the radiation direction and the circumferencial direction of bucket 200 rear surfaces, forms netted respectively.

The effect of above-mentioned each intensity ribs 221 is as follows: when injection moulding said bucket 200, can prevent bending, and, when various operation (for example, when washing or when dewatering etc.), can prevent phenomenons such as the rear surface bending of bucket 200 or distortion.

In addition, in the fall-part 210 of said bucket 200, also be formed with a plurality of joint portions 230 of protruding at the center side position that is formed with bearing shell 7 to its rear side.Above-mentioned each joint portion 230 also is formed with the 1st connecting hole 231 respectively, and above-mentioned the 1st connecting hole 231 is used for being connected with stator 600.

And said stator 600 is fixed in said bucket 200, and, be positioned at its outside rotor rotated 5 together constitute motor.

As shown in Figure 8, said stator 600 comprises following components and constitutes: iron core portion 610; Coil 640; A pair of insulator 620,630; Separation rib 650.

Above-mentioned iron core portion 610 is by the iron plate of chassis (omitting diagram) and the sawtooth 612 formations part that forms of lamination repeatedly.

Here, observe in the plane, above-mentioned sawtooth 612 is the positions that probably form T shape, and, be the position that above-mentioned coil 640 is twined.Above-mentioned chassis is the position of the main body of the above-mentioned iron core of formation portion 610, probably forms annular shape.

In addition, above-mentioned a pair of insulator the 620, the 630th is made by the material that can insulate, and, for can be, probably form the shape identical with above-mentioned iron core portion 610 around the front and the back of above-mentioned iron core portion 610.

Here, above-mentioned insulator the 620, the 630th is by constituting with the lower part: around the 1st insulator 620 of the front of above-mentioned iron core portion 610; The 2nd insulator 630 around the back of above-mentioned iron core portion 610.

And the inside side face of above-mentioned each insulator 620,630 is mutually corresponding is formed with a plurality of protuberances 622,632, and above-mentioned protuberance 622,632 has the 2nd connecting hole 621,631.At this moment, the position of above-mentioned the 2nd connecting hole 621,631 is consistent with the 1st connecting hole 231 of each joint portion 230 that is formed at bucket 200, and can utilize attaching parts to connect.

In addition, above-mentioned separation rib 650 is formed at a side relative with said bucket 200, that is, the front of above-mentioned the 1st insulator 620, thus be separated to form the position of above-mentioned protuberance 622 and be wound with the position of above-mentioned coil 640.Here, above-mentioned separation rib 650 forms the annular with certain altitude, and above-mentioned height is to be unlikely to the height that contacts with bucket 200 fall-part 210.

The effect of above-mentioned separation rib 650 is as follows: except the intensity that can strengthen above-mentioned the 1st insulator, can also cut off by and said bucket 200 between the aqueous vapor of binding site infiltration flow to the position that is wound with above-mentioned coil 640.

And above-mentioned rotor 5 is positioned at the outside of said stator 600, and together constitutes motor with said stator 600.

Here, above-mentioned rotor 5 is to be made by the iron plate material, and, transmit rotary driving force by thin axle 4 to cylinder 3.

Above-mentioned thin axle 4 connects the inside line of said stator 600 and the rear surface of bucket 200, and, combine with 3 on cylinder with the state that is supported by bearing shell 7.

And as Fig. 5 and shown in Figure 7, above-mentioned contact protuberance 810 can support the internal face of the separation rib 650 that is formed at above-mentioned the 1st insulator 620.

As Figure 6 and Figure 7, above-mentioned contact protuberance 810 be arranged in the joint portion 230 that is formed at said bucket 200 each face from the face of a side of fall-part 210 bendings, therefore, under situation, can be close to the inner wall at end face of above-mentioned separation rib 650 in conjunction with said stator 600.

Particularly, the degree that above-mentioned contact protuberance 810 protrudes should be can not contact with the front of above-mentioned the 1st insulator 620, but is positioned at the inboard of above-mentioned separation rib 650, the height of the degree that can contact with the inner wall at end face face of above-mentioned separation rib.

Here, above-mentioned contact protuberance 810 is to make by having constrictive rubber material, and is close on the face of above-mentioned joint portion.

And above-mentioned contact protuberance 810 should be formed at above position, 2 places corresponding mutually in above-mentioned each joint portion at least, but also can all be formed with above-mentioned contact protuberance 810 in above-mentioned each joint portion 230.

This is for by utilizing above-mentioned contact protuberance 810 with the maximization of the position of the separation rib 650 of support stator 600, thereby can prevent that gravity from focusing on regional area or any one contact protuberance 810 of above-mentioned separation rib 650.

In addition, the circular arc that above-mentioned contact protuberance 810 forms should be identical with the circular arc that the separation rib 650 of said stator 600 forms, and above-mentioned contact protuberance 810 should be that rounding forms.

This is for by making between above-mentioned contact protuberance 810 and the above-mentioned separation rib 650 the face contact, thereby makes the above-mentioned separation rib 650 of support that above-mentioned contact protuberance 810 can be stable.Certainly, because the feature in shape of above-mentioned contact protuberance 810, equally also can disperse the suffered gravity of separation rib 650, thereby can prevent to focus on the breakage of the region of interest that regional area causes owing to gravity.

In addition, in an embodiment of the present invention,, also be formed with the mobile portion 820 that prevents that prevents that above-mentioned contact protuberance 810 from moving at the fall-part 210 of said bucket 200 and the boundary between the joint portion 230.

Special needs to be pointed out is, be incorporated in said stator 600 under the situation of said bucket 200, the position that the above-mentioned mobile end that prevents that portion 820 from protruding the separation rib 650 that is formed up to said stator 600 touches (perhaps, though not contact, immediate position).

This is for by utilizing above-mentioned move prevent that portion 820 from preventing that said stator 600 is partial to a side, thereby a said stator 600 and barrel 200 mutual being connected can be finished accurately.And, even, also can prevent moving of said stator 600 to greatest extent owing to the driving of rotor causes moving of said stator 600.

Cohesive process between the motor of the roller washing machine of the embodiment of the invention that foundation constitutes as mentioned above and the bucket 200 is as follows.

At first, stator 600 is placed in each joint portion 230 of the rear surface formation of bucket 200.

At this moment, be formed at the separation rib 650 of the 1st insulator 620 of said stator 600, respectively contact protuberance 810 what be placed in above-mentioned each joint portion 230.

Therefore, said stator 600 is the correct state that is placed in binding site in the support that obtains above-mentioned contact protuberance 810.

Particularly, because above-mentioned contact protuberance 810 is to be made by the rubber material that has certain frictional force and can compress, therefore, more firm being close between above-mentioned contact protuberance 810 and the above-mentioned separation rib 650 can be made, thereby moving of said stator 600 can be prevented.

In addition, as mentioned above, be placed in said stator 600 under the state of bucket 200,, can prevent that said stator 600 from tilting owing to move the effect that prevents portion 820.

Therefore, be formed at the 2nd connecting hole 621 of the 1st insulator 620 of said stator 600 and the 2nd connecting hole 631 that is formed at the 2nd insulator 630, will align mutually with the 1st connecting hole 231 of the joint portion 230 that is formed at bucket 200.

Then, attaching parts 101 are connected in each connecting hole 231,621,631 of above-mentioned mutual alignment, thereby finish the combination between said bucket 200 and the said stator 600.

And, by above-mentioned a series of process finish stator 600 is fixed in the work of bucket 200 rear surface after, in conjunction with the cylinder 3 of said bucket 200 inside and an end of thin axle 4, then, rotor 5 is incorporated into the other end of above-mentioned thin axle 4.

At this moment, above-mentioned thin axle 4 is that bearing shell 7 by the rear surface that is formed at said bucket 200 is supported.

By above-mentioned a series of process, finish the work that motor is incorporated into bucket 200.

Right of the present invention is not confined to aforesaid embodiment, but is decided by the record in claims.Under the situation that does not exceed the technology of the present invention scope of putting down in writing in claims, the operator of relevant industries can carry out various deformation and modification to size, shape or material.

For example, as Fig. 9 and shown in Figure 10, under situation, in the fall-part 210 of said bucket 200,, can also be formed with the additional ribs 830 of the outside wall surface that supports above-mentioned separation rib 650 with the outside wall surface position adjacent of the separation rib 650 of above-mentioned the 1st insulator 620 in conjunction with said stator 600.

This structure can be stable the internal face and the outside wall surface of support separation rib 650.Promptly, contact protuberance 810 supports the internal face of above-mentioned separation rib 650,830 of above-mentioned additional ribs support the outside wall surface of above-mentioned separation ribs 650, thereby can make finishing that the work of the alignment of carrying out for the rear surface that said stator 600 is incorporated into bucket 200 is more prone to.

Moreover, when washing machine moves, even because the rotation of rotor 5, bucket 200 and stator 600 produce vibration, because therefore the above-mentioned whole position that respectively contacts the separation rib 650 of protuberance 810 and additional ribs 830 support said stator 600 can prevent the breakage of the connecting portion between said stator 600 and the said bucket 200.

Claims

1. the driving part structure of a roller washing machine is characterized in that:

The rear surface of washing machine drum is with radial a plurality of fall-parts and the non-fall-part of being formed with, and the center side position of above-mentioned each fall-part is protruded respectively and is formed with the joint portion;

Stator comprises: form serrate iron core portion; Be wound in the coil of above-mentioned sawtooth; Be incorporated into each joint portion of above-mentioned sawtooth respectively, and around the 1st insulator of the front of above-mentioned iron core portion, and around the 2nd insulator of the back of above-mentioned iron core portion; Be used for separating the position and the separation rib that is wound with the position of above-mentioned coil of each joint portion that is incorporated into said bucket in the front of above-mentioned the 1st insulator;

Rotor is positioned at the outside of said stator, and together constitutes motor with said stator;

The contact protuberance, be arranged in said bucket at least one joint portion each face from the face of a side of fall-part bending, under situation, be close to the inner wall at end face of above-mentioned separation rib in conjunction with said stator, and in order to prevent that it from moving, and has certain frictional force.

2. the driving part structure of roller washing machine according to claim 1 is characterized in that:

Above-mentioned contact protuberance is close on the face of above-mentioned joint portion, thereby combines with above-mentioned joint portion.

3. the driving part structure of roller washing machine according to claim 1 and 2 is characterized in that:

Above-mentioned contact protuberance is to make by having constrictive rubber material.

4. the driving part structure of roller washing machine according to claim 1 is characterized in that:

Above-mentioned contact protuberance is formed at the joint portion more than 2 of the mutual correspondence in above-mentioned each joint portion at least respectively.

5. the driving part structure of roller washing machine according to claim 1 is characterized in that:

Above-mentioned contact protuberance constitutes identical circular arc with above-mentioned separation rib, and rounding forms.

6. the driving part structure of roller washing machine according to claim 1 is characterized in that:

Border region between above-mentioned fall-part and above-mentioned joint portion is formed with the mobile portion that prevents that prevents that above-mentioned contact protuberance from moving.

7. the driving part structure of roller washing machine according to claim 6 is characterized in that:

Under the situation in conjunction with said stator, the position that the end that is formed up to above-mentioned separation rib touches is protruded in the above-mentioned portion of preventing that moves, though perhaps not contact, immediate position.

8. the driving part structure of roller washing machine according to claim 1 is characterized in that:

Under the situation in conjunction with said stator, the fall-part of said bucket also is formed with around the ribs of the outside wall surface of above-mentioned separation rib.