WO2017152841A1

WO2017152841A1 - Washing machine damping boom structure and washing machine

Info

Publication number: WO2017152841A1
Application number: PCT/CN2017/075963
Authority: WO
Inventors: 许升; 吕艳芬; 宋华诚
Original assignee: 青岛海尔洗衣机有限公司
Priority date: 2016-03-10
Filing date: 2017-03-08
Publication date: 2017-09-14
Also published as: CN107177960A; CN107177960B; JP6843149B2; JP2019512301A

Abstract

A washing machine damping boom structure and a washing machine, the damping doom structure comprising a boom (300), the boom (300) being suspended inside the outer drum (100) of the washing machine, the boom (300) being provided with a damping structure (200) used for damping the horizontal and vertical bouncing movements of the outer drum (100), and the damping structure (200) being mounted on the wall of the outer drum (100) and being able to move horizontally and vertically relative to same. By adding a damping structure (200) between the boom (300) and the outer drum (100), the present washing machine damping boom structure can effectively suppress the horizontal translational movement of the inner and outer drum assembly when draining water; during low speed rotation of the washing machine, if there is large eccentricity, up and down bouncing movements of the barrel assembly occur, and a spring on the bottom of the boom (300) cannot alone suppress the up and down bouncing movements; the damping structure (200) is mounted on the wall of the outer drum and is able to move horizontally and vertically relative to same, thereby suppressing the up and down bouncing movements of the drum.

Description

Washing machine damping boom structure and washing machine

Technical field

The present invention relates to the technical field of washing machines, and in particular to a washing machine damping boom structure and a washing machine.

Background technique

Now the pulsator washing machine mainly relies on the spring element in the boom to reduce the vibration, generally with a mounting angle of about 7° in the vertical direction. Therefore, the spring resistance of the boom is mainly decomposed into the vertical force, and the component in the horizontal plane is very Small, that is, mainly suppressing vibration in the vertical direction, and cannot effectively suppress vibration in the horizontal plane.

The prior application No. 201410599273.2, entitled Chinese Patent of Washing Bucket Damping Device and Washing Bucket, discloses a washing bucket damping device including a boom, a crossbar and a sliding sleeve connecting the boom and the crossbar The crossbar is mounted on the washing tub, the mounting part on the boom is mounted on the washing machine casing, the lower mounting part is mounted on the washing tub, the crossbar controls the lateral shaking and vibration of the washing tub, and the boom controls the shaking of the washing bucket in the depth direction And vibration, which can reduce the vibration of the washing tub when working in the washing tub, reduce the working noise and the vibration of the whole washing machine.

The washing barrel damping device of the above patent can effectively suppress the inner and outer barrel assemblies in the horizontal direction during dehydration by adding a cross bar between the boom and the outer tub and a sliding sleeve connecting the boom and the cross bar. shock. However, when the washing machine is rotated at a low speed, if the eccentricity is large, the barrel assembly may be swayed up and down. At this time, only the spring at the bottom of the boom cannot suppress the turbulence of the upper and lower sides of the bucket.

In view of this, the present invention has been specifically proposed.

Summary of the invention

In order to solve the above problems, a first object of the present invention is to provide a damper hanger structure for a washing machine, and in particular, the following technical solution is adopted:

A washing machine damping boom structure comprises a boom mounted on an outer tub of the washing machine, wherein the hanging rod is provided with a damping structure for buffering the outer bucket to be tilted in the lateral direction and the longitudinal direction, and damping The structure is mounted on the outer tub wall and is movable relative to it in the lateral and longitudinal directions.

Further, the damping structure includes a longitudinal damper portion for buffering the longitudinal sway of the outer tub and a lateral damper portion for buffering the lateral sway of the outer tub, the longitudinal damper portion and the lateral damper portion being connected to each other by the connection damping block, The boom passes through the longitudinal damper.

Further, the damping structure comprises a mounting seat and a rotating sliding rod, the mounting seat is fixed on the outer wall of the outer tub, and one end of the rotating sliding rod is mounted on the mounting seat and can move up and down relative to the mounting seat and a certain angle circumference Rotating, the longitudinal damper and the lateral damper are mounted on the rotating slide.

Further, the mounting seat includes an upper mounting seat and a lower mounting seat disposed in parallel on an outer wall of the outer tub; the rotating sliding bar comprises a vertical rod and a lateral U-shaped fork rod, and the two ends of the vertical rod are respectively located The upper and lower sides of the transverse U-shaped fork are respectively installed in the upper mount and the lower mount, and the lateral U-shaped fork is located between the upper mount and the lower mount; the longitudinal damping part and the lateral damping part are installed On the lateral U-shaped fork.

Further, the longitudinal damper portion includes a first damper block and a second damper block, and the first damper block and the second damper block respectively have corresponding longitudinal grooves, and the longitudinal grooves are at the first damper block and the second damper block Forming a longitudinal damping contact for the passage of the boom after installation;

The first damping block and the second damping block are respectively made of an elastic damping material, or a damping piece is disposed in the longitudinal damping contact portion formed by the first damping block and the second damping block.

Further, the lateral damping portion includes a third damping block, a fourth damping block, a fifth damping block and a sixth damping block, and the third damping block and the fourth damping block are clamped on one branch of the lateral U-shaped fork The fifth damper block and the sixth damper block are clamped on both sides of the other struts of the lateral U-shaped yoke, and the fourth damper block and the sixth damper block are connected by the connecting rod;

The third damping block, the fourth damping block, the fifth damping block and the sixth damping block are respectively made of elastic damping material, or between the third damping block and the fourth damping block, and the fifth damping block Damping sheets are respectively disposed between the sixth damping block and the damping pieces are respectively sleeved on the poles of the lateral U-shaped forks.

Further, the longitudinal damping portion and the connecting damping block are clamped on both sides of the connecting rod.

Further, the upper mounting seat and the lower mounting seat respectively have a cutout and a pin block assembled with the cutout, and the vertical rod of the rotating slider can enter along the side of the cutout and mount the pin block The limit is entered into the gap, and the diameter of the lateral U-shaped fork of the rotating slider is smaller than the distance between the upper mount and the lower mount.

A second object of the present invention is to provide a washing machine using the above-described washing machine damping boom structure, and in particular, adopts the following technical solutions:

A washing machine comprises an outer tub, a boom and a casing, wherein the outer tub is disposed in the casing, one end of the boom is mounted on the outer tub, and the other end is mounted on the casing, and at least two opposite middle portions of the boom are A damping structure for buffering the outer tub in the lateral and longitudinal directions is installed between the outer tubs.

Further, the boom is mounted in a direction parallel to the central axis of the outer tub.

The damper hanger structure of the washing machine of the invention adds a damping structure between the boom and the outer tub, which can effectively suppress internal and external The barrel assembly is translated in the horizontal direction during dehydration. In the low-speed rotation of the washing machine, if the eccentricity is large, the bucket assembly may be swayed up and down. At this time, only the spring at the bottom of the boom cannot suppress the turbulence of the upper and lower sides of the bucket, and the damper structure of the present invention is installed on the outer tub wall and can It moves in the lateral and longitudinal directions relative to it, thereby suppressing the up and down movement of the tub.

Therefore, the damper structure added between the boom and the outer tub of the present invention can move up and down at the joint of the outer tub and the boom body, and the range of the left and right swing is wider without jamming.

DRAWINGS

1 is an assembled view of a vertical boom damping structure of a washing machine in accordance with an embodiment of the present invention;

2 is a top plan view of a vertical boom damping structure of a washing machine in accordance with an embodiment of the present invention;

3 is an assembled view of a tilting boom damping structure of a washing machine according to an embodiment of the present invention;

Figure 4 is a top plan view of the inclined boom damping structure of the washing machine of the embodiment of the present invention;

Figure 5 is an assembled view of a tilting boom damping structure of a washing machine in accordance with still another embodiment of the present invention;

Figure 6 is a plan view showing a tilting boom damping structure of a washing machine in accordance with still another embodiment of the present invention;

Figure 7 is an assembled view of a damping structure of a damper hanger structure of a washing machine in accordance with an embodiment of the present invention;

Figure 8 is an exploded view of the damping structure of the damper hanger structure of the washing machine of the embodiment of the present invention.

DESCRIPTION OF REFERENCE NUMERALS: 100-outer tub 101-boom base 200-damping structure 201-vertical bar 202-transverse U-shaped fork bar 203-first damping block 204-second damping block 205-connecting damping block 206 - third damping block 207 - fourth damping block 208 - fifth damping block 209 - sixth damping block 210 - longitudinal damping contact 211 - lateral damping contact 212 - connecting rod 213 - upper mount 214 - lower mount 215 - Pin block 300 - Boom 301 - Upper mounting portion 302 - Lower mounting portion.

detailed description

The washing machine damping boom structure and the washing machine of the present invention are described in detail below with reference to the accompanying drawings:

As shown in FIG. 1-8, a washing machine damper hanger structure includes a boom 300 mounted on an outer tub 100 of a washing machine, and the boom 300 is provided with a buffer for the outer bucket in the horizontal direction. And a longitudinally damped damping structure 200 mounted on the outer tub wall and movable relative to it in the lateral and longitudinal directions.

For the existing pulsator washing machine, the lateral direction referred to in this embodiment refers to the direction parallel to the horizontal plane after the pulsator washing machine is placed on the horizontal ground, that is, the horizontal direction; the longitudinal direction refers to the pulsator washing machine placed on the horizontal ground. The direction perpendicular to the horizontal plane after the upper, that is, the vertical direction or the up and down direction.

The washing machine damping boom structure of the embodiment adds a damping structure 200 between the boom 300 and the outer tub 100, which may have Effectively inhibits the translation of the inner and outer barrel assemblies in the horizontal direction during dehydration. In the low-speed rotation of the washing machine, if the eccentricity is large, the bucket assembly may be swayed up and down. At this time, only the spring at the bottom of the boom 200 cannot suppress the turbulence of the upper and lower sides of the bucket, and the damper structure 200 of the present invention is mounted on the outer tub wall. And it can move relative to it in the lateral direction and the longitudinal direction, thereby suppressing the up and down movement of the barrel.

Therefore, the damping structure 200 added between the boom 300 and the outer tub 100 in the present embodiment can move up and down at the joint of the outer tub and the boom body, and the range of swinging left and right is wider without jamming.

Further, the damper structure 200 of the present embodiment includes a longitudinal damper portion for buffering the longitudinal sway of the outer tub and a lateral damper portion for buffering the lateral sway of the outer tub, and the longitudinal damper portion and the lateral damper portion are connected to each other by the connection damping block 205. The boom 300 passes through the longitudinal damper.

The damping structure 200 of the embodiment is characterized in that the outer bucket is swayed during the working process of the washing machine, and is damped from both the longitudinal direction and the lateral direction, and the longitudinal damper portion and the lateral damper portion are respectively provided, which are more targeted for the outer tub. 100 has a better cushioning effect. In addition, the longitudinal damper portion and the lateral damper portion are connected to each other by connecting the damping blocks, so that the lateral buffering and the longitudinal buffering can make the lateral swaying and the longitudinal swaying interaction and cancel each other, and the overall buffering effect is stronger.

Specifically, the damping structure of the embodiment comprises a mounting seat and a rotating sliding rod, the mounting seat is fixed on the outer wall of the outer tub 100, and one end of the rotating sliding rod is mounted on the mounting seat and can move up and down relative to the mounting seat and at an angle Rotating circumferentially, the longitudinal damper and the lateral damper are mounted on the rotating slide.

After the rotating slide bar of the embodiment is mounted on the mounting seat, not only can be laterally moved relative to the mounting seat, but also combined with the lateral damping knot portion, buffering the lateral sway of the outer tub, and can move up and down relative to the mounting seat, combined with longitudinal damping. Department, buffering the longitudinal movement of the outer tub.

In order to realize the connection mode of the lateral rotation and the up and down movement between the rotating slide bar and the mounting, the embodiment provides an embodiment:

Specifically, the mounting seat includes an upper mounting seat 213 and a lower mounting seat 214 disposed in parallel on an outer wall of the outer tub 100; the rotating sliding bar includes a vertical rod 201 and a lateral U-shaped fork rod 202, and a vertical rod The two ends of the 201 are respectively located on the upper and lower sides of the lateral U-shaped fork 202, and are respectively installed in the upper mount 213 and the lower mount 214, and the lateral U-shaped fork 202 is located between the upper mount 213 and the lower mount 214. The longitudinal damper and the lateral damper are mounted on the lateral U-shaped yoke 202.

The lateral U-shaped fork 202 of the rotating slider of the present embodiment includes two struts arranged in parallel, and one ends of the two struts are integrally connected by a connecting rod to form a U-shaped structure. The rotating slide main body of the embodiment has a U-shaped structure, one end is closed for easy installation, and the other end opening is convenient for installation of the longitudinal damping portion and the lateral damping portion.

The vertical rod 201 of the rotating slide bar of the present embodiment is disposed at the connecting rod end of the lateral U-shaped fork rod 202, and is located at the middle position of the connecting rod, and the middle portion of the vertical rod 201 is fixed with the connecting rod of the lateral U-shaped fork rod 202. Connected, or integrally formed, so that the vertical rod 201 has two upper and lower connecting ends, and the upper and lower connecting ends are respectively installed in the upper mounting seat 213 and the lower mounting seat 214 for relative rotation.

Further, the upper mounting seat 213 and the lower mounting seat 214 of the embodiment respectively have a cutout and a pin block 215 assembled with the cutout, and the vertical rod 201 of the rotating slider can enter along one side of the cutout. The pin block 215 is loaded into the gap for limiting, and the diameter of the lateral U-shaped fork bar 202 of the rotating slide bar is smaller than the distance between the upper mount 213 and the lower mount 214. In this way, it can be ensured that the vertical rod 201 of the rotary slide can be moved up and down in the vertical direction, and the larger up and down movement of the outer tub 100 can be buffered.

In order to realize the longitudinal buffering action of the longitudinal damper portion of the present embodiment, the longitudinal damper portion of the present embodiment includes a first damper block 203 and a second damper block 204, and the first damper block 203 and the second damper block 204 are respectively disposed correspondingly to the longitudinal direction. The groove, the longitudinal groove forms a longitudinal damping contact 210 for the passage of the boom 300 after the first damping block 203 and the second damping block 204 are oppositely mounted.

In order to realize the longitudinal damping effect of the suspension rod 300 passing through the longitudinal damper portion, the longitudinal damping effect is adopted. In this embodiment, the following two methods are adopted:

1. The first damping block 203 and the second damping block 204 are respectively made of an elastic damping material, such that the longitudinal damping contact portion 210 formed between the first damping block 203 and the second damping block 204 can directly generate the suspension bar 300. The group acts as a damping force.

2. A damping piece is disposed in the longitudinal damping contact portion 210 formed by the first damping block 203 and the second damping block 204, and a damping piece is added between the first damping block 203 and the second damping block 204 and the rod body of the boom 300. Longitudinal damping is provided for the shaft of the boom 300. In addition, in order to maintain the upper and lower limits of the damper sheet, limit bosses are provided at upper and lower ends of the longitudinal grooves of the first damper block 203 and the second damper block 204.

In order to achieve the lateral buffering action of the lateral damper portion of the present embodiment, the lateral damper portion of the present embodiment includes a third damper block 206, a fourth damper block 207, a fifth damper block 208, and a sixth damper block 209, and a third damper block 206 and the fourth damping block 207 are clamped on both sides of one of the lateral U-shaped forks 202, and the fifth damping block 208 and the sixth damping block 209 are clamped on the other of the lateral U-shaped forks 202. On both sides, the fourth damping block 207 and the sixth damping block 209 are connected by a connecting rod 212.

Similarly, the third damping block 206, the fourth damping block 207, the fifth damping block 208, and the sixth damping block 209 are respectively made of an elastic damping material.

Alternatively, a damping piece is respectively disposed between the third damping block 206 and the fourth damping block 207, and between the fifth damping block 208 and the sixth damping block 209, and the damping piece is respectively sleeved on the supporting pole of the lateral U-shaped fork on. In order to achieve the safety of the damping piece The third damper block 206 and the fourth damper block 207 are respectively disposed with corresponding lateral grooves, and the fifth damper block 208 and the sixth damper block 209 are respectively provided with lateral grooves, and the lateral grooves are respectively disposed at the third. The damping block 206 is mounted opposite to the fourth damping block 207 and the fifth damping block 208 and the sixth damping block 209 to form a lateral damping contact portion 211.

The longitudinal damper portion of the present embodiment is coupled to the connecting damper block 205 on both sides of the connecting rod 212. Specifically, the connecting damper block 205 is connected to the second damper block 204 of the longitudinal damper portion, and the connecting rod 212 is sandwiched between the two. between.

As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 and FIG. 6 , a washing machine of the present embodiment includes an outer tub 100 , a boom 300 and a casing. The outer tub 100 is disposed in the casing and is suspended. One end of the rod 300 is mounted on the outer tub 100, and the other end is mounted on the casing, and a damping between the middle portion of the at least two opposite booms 300 and the outer tub 100 for damping the lateral and longitudinal sway of the outer tub is installed. Structure 200.

The upper end of the boom 300 of the present embodiment is an upper mounting portion 301, and the limit position is mounted on the housing. The lower end of the boom 300 is a lower mounting portion 302, and is limited to be mounted on the boom base 101 at the bottom of the outer tub 100.

As shown in FIGS. 1 and 2, the boom 300 of the washing machine of the present embodiment is mounted in a direction parallel to the central axis of the outer tub, that is, the boom 300 is vertically mounted. In this way, the horizontal component force generated by the oblique installation of the boom 300 can be prevented from acting on the damping structure 200, so that the damping structure 200 can better buffer the horizontal and vertical sway of the outer tub 100.

As shown in FIG. 3 and FIG. 4, the washing machine hanger 300 of the embodiment can also adopt the traditional inclined installation mode, which has the advantage that the installation of the damping structure can be realized without changing the existing suspension rod installation manner. 200, the buffering effect of the horizontal and up and down movement of the outer tub 100 is achieved.

As shown in FIG. 5 and FIG. 6 , the washing machine hanger 300 of the embodiment adopts a tilting installation manner, and the damping structure 200 is only installed on the two booms 300 disposed diagonally, thereby ensuring the level and the upper and lower sides of the outer tub 100. The swaying buffering effect reduces the number of installations of the damping structure and reduces the cost.

Specifically, when the boom of the embodiment adopts the vertical installation mode, in order to ensure a safe distance between the casing and the outer tub assembly, it may be necessary to increase the size of the casing to meet the installation requirements.

The damping structure of the present embodiment provides frictional damping by the damping block or the damping piece installed in the damping block, and buffers the expansion of the outer drum assembly in the horizontal and upper and lower directions.

The mounting structure of the damper structure of the embodiment on the outer tub 100 is oscillated from side to side and up and down.

The damping structure of this embodiment may add a damping structure to all of the four booms, or may be added to the two diagonal booms, preferably two diagonally.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any technology that is familiar with the present patent. Those skilled in the art can make some modifications or modifications to equivalent embodiments by using the technical content of the above-mentioned hints without departing from the technical scope of the present invention, but the technology according to the present invention does not deviate from the technical solution of the present invention. Substantially above Any simple modifications, equivalent changes, and modifications made to the embodiments are still within the scope of the present invention.

Claims

A washing machine damping boom structure comprises a boom mounted on an outer tub of the washing machine, wherein the hanging rod is provided with a damping structure for buffering the outer bucket to be tilted in the lateral direction and the longitudinal direction, and damping The structure is mounted on the outer tub wall and is movable relative to it in the lateral and longitudinal directions.
A washing machine damping boom structure according to claim 1, wherein said damping structure comprises a longitudinal damping portion for buffering longitudinal expansion of the outer tub and a lateral damping portion for buffering lateral expansion of the outer tub, longitudinal The damper portion and the lateral damper portion are connected to each other by a connection damping block, and the boom passes through the longitudinal damper portion.
The damper hanger structure of a washing machine according to claim 2, wherein the damper structure comprises a mounting seat and a rotating sliding rod, the mounting seat is fixed on an outer wall of the outer tub, and one end of the rotating sliding rod is mounted. The longitudinal damper portion and the lateral damper portion are mounted on the rotating slide bar on the mounting seat and rotatable relative to the mounting seat up and down and at a certain angle.
A washing machine damping boom structure according to claim 3, wherein said mounting base comprises an upper mounting seat and a lower mounting seat disposed in parallel on an outer wall of the outer tub; said rotating sliding bar comprises vertical Rod and lateral U-shaped fork, the two ends of the vertical rod are respectively located on the upper and lower sides of the lateral U-shaped fork, and are respectively installed in the upper mount and the lower mount, and the lateral U-shaped fork is located on the upper mount and the lower Between the mounts; the longitudinal damper and the lateral damper are mounted on the lateral U-shaped fork.
The damper hanger structure of a washing machine according to claim 3, wherein the longitudinal damper portion comprises a first damper block and a second damper block, and the first damper block and the second damper block respectively correspond to the longitudinal direction a groove, the longitudinal groove forming a longitudinal damping contact portion for the hanger to pass after the first damping block and the second damping block are oppositely mounted;

The first damping block and the second damping block are respectively made of an elastic damping material, or a damping piece is disposed in the longitudinal damping contact portion formed by the first damping block and the second damping block.
A washing machine damping boom structure according to claim 4, wherein said lateral damping portion comprises a third damping block, a fourth damping block, a fifth damping block and a sixth damping block, and the third damping block The fourth damping block is clamped on both sides of one of the lateral U-shaped forks, and the fifth damping block and the sixth damping block are clamped on both sides of the other side of the lateral U-shaped fork, the fourth damping The block and the sixth damping block are connected by a connecting rod;

The third damping block, the fourth damping block, the fifth damping block and the sixth damping block are respectively made of elastic damping material, or between the third damping block and the fourth damping block, and the fifth damping block Damping sheets are respectively disposed between the sixth damping block and the damping pieces are respectively sleeved on the poles of the lateral U-shaped forks.
A washing machine damping boom structure according to claim 6, wherein the longitudinal damping portion and the connecting damping block are clamped on both sides of the connecting rod.
A washing machine damping boom structure according to claim 4, wherein said upper mount and The lower mounting seat is respectively provided with a notch and a pin block assembled with the notch, and the vertical bar of the rotating sliding bar can enter along the side of the opening and the pin block is inserted into the notch for limiting, the sliding sliding The diameter of the lateral U-shaped fork of the rod is smaller than the distance between the upper and lower mounts.
A washing machine comprising an outer tub, a boom and a casing, wherein the outer tub is disposed in the casing, one end of the boom is mounted on the outer tub, and the other end is mounted on the casing, wherein at least two opposite hanging bodies are A damping structure for damping the outer tub in the lateral and longitudinal directions is installed between the middle portion of the rod and the outer tub.
A washing machine according to claim 9, wherein said boom is mounted in a direction parallel to a central axis of the outer tub.