WO2018205988A1

WO2018205988A1 - Washing machine damping assembly and washing machine

Info

Publication number: WO2018205988A1
Application number: PCT/CN2018/086465
Authority: WO
Inventors: 吕佩师; 张刚金; 田云; 周春霞; 巩广富
Original assignee: 青岛海尔洗衣机有限公司
Priority date: 2017-05-12
Filing date: 2018-05-11
Publication date: 2018-11-15
Also published as: JP2020519377A; CN107059336A

Abstract

A washing machine damping assembly and a washing machine, the damping assembly comprising: a boom (1), one end of the boom (1) being connected to the washing machine box body/outer drum; also comprising a first elastic structure (2), one end of the first elastic structure (2) being provided with a hanging rod (21) connected to the washing machine box body/outer drum, the other end being connected to the boom (1) by means of a connecting member (23) slidably arranged on the boom (1); and a second elastic structure (3), the second elastic structure (3) being arranged inside the first elastic structure (2), one end thereof also been connected to the boom (1); the boom (1) is arranged to move axially relative to the hanging rod (21) and, when moving, to cause the first elastic structure (2) and the second elastic structure (3) to deform. The present damping assembly significantly enhances the damping effect, occupies little space, and reduces noise during the washing process; the damping assembly cannot easily collide with the internal structure of the washing machine.

Description

Damping part of washing machine and washing machine

Technical field

The present invention relates to a laundry device, and more particularly to a vibration damping member of a washing machine and a washing machine equipped with the vibration damping member.

Background technique

The vibration damping unit of the existing pulsator washing machine mainly comprises a boom and a vibration damping component, one end of the boom is connected to the washing machine box body, and the vibration damping component is suspended on the suspension seat of the outer drum of the washing machine, due to the volume of the vibration damping component Larger, it will occupy a larger space on the outside of the bottom of the outer tub of the washing machine, and the volume of the bottom of the outer tub of the washing machine is relatively large in order to accommodate the installation of the vibration damping component. Sometimes, when the washing machine is dehydrated and started to run, the outer tub of the washing machine will sway or sway as the motor starts, forming a large amplitude. The vibration-damping component interferes with the bottom of the tub, causing abnormal vibration and noise, which affects the experience.

The present invention has been made in view of this.

Summary of the invention

An object of the present invention is to overcome the deficiencies of the prior art and to provide a vibration damping component of a washing machine that increases the vibration damping effect, reduces the internal space of the washing machine, and reduces the running noise of the washing machine.

Another object of the present invention is to provide a washing machine to which the above-described vibration damping member is attached.

In order to achieve the first object of the invention, the present invention adopts the following technical solutions:

A vibration damping component of a washing machine, comprising: a boom, one end of the boom is connected with the washing machine cabinet/outer bucket, and further comprises

a first elastic structure, one end of the first elastic structure is provided with a hanging rod connected to the outer tub/box of the washing machine, and the other end is connected with the hanging rod by sliding a connecting member disposed on the hanging rod;

a second elastic structure, the second elastic structure is disposed in the first elastic structure, and one end thereof is also connected to the suspension rod;

The boom is disposed to be axially movable relative to the hanger and to deform the first resilient structure and the second resilient structure when moved.

Further, the first elastic structure includes a hanging spring, and the hanging spring includes a hanging spring body, a hanging rod disposed at one end of the hanging spring body, and a connecting member disposed at the other end thereof;

The connecting member is a hanging spring fixing seat, and is detachably connected to the hanging spring body. The second elastic structure is disposed in the hanging spring body, and is located between the hanging spring fixing seat and the other end of the hanging rod. Preferably, the hanging The spring mount is screwed to the hanging spring body.

The hanging spring body is integrally formed with the hanging rod; or the hanging spring body is fixedly connected with the hanging rod; or the hanging spring body is detachably connected with the hanging rod.

Further, the second elastic structure includes

Damping spring, first spring seat, second spring seat;

The first spring seat and the second spring seat are respectively disposed at two ends of the damper spring and abut against the damper spring, and the second elastic structure abuts against the hang spring fixing seat through the second spring seat, and passes through the first The spring seat is connected to the other end of the boom;

The hanging rod sequentially passes through the hanging spring fixing seat, the second spring seat, the damping spring and the first spring seat, and the other end of the lifting rod is provided with a positioning structure for preventing the first spring seat from sliding down by the damping spring . The other end of the rod is connected; the first spring seat has a tendency to slip off the boom under the elastic force of the damping spring, and the first spring seat can be prevented from slipping off the boom by providing the positioning structure.

Further, a center of the hanging spring fixing seat is provided with a through hole, and the hanging rod extends through the through hole and extends into the hanging spring body to be connected with the second elastic structure;

The through hole includes a first through hole portion that is slidably engaged with the boom, and a second through hole portion;

a second spring seat and a partial damper spring are disposed in the second through hole portion, and the second spring seat is abutted in the second through hole portion by the damper spring;

The aperture of the first through hole portion is smaller than the second through hole portion, and the intersection of the two is provided with a limiting structure for preventing the second spring seat from sliding down by the damping spring.

Further, a damping groove for storing the damping grease is disposed inside the first through hole portion of the hanging spring fixing seat, and a hanging spring reinforcing rib is disposed outside the hanging spring fixing seat of the damping groove. Preferably, the damping groove passes along The hole is axially extended, and the hanging spring reinforcing rib is disposed corresponding to the damping groove. More preferably, the damping groove is uniformly disposed along the circumferential direction of the first through hole portion, and the hanging spring reinforcing rib is disposed corresponding to the damping groove.

Further, a center of the first spring seat and the second spring seat are provided with a through hole through which the boom passes, and the through hole of the second spring seat is at least partially slidably engaged with the boom;

a groove for storing damping grease is disposed in the through hole of the second spring seat and the sliding rod, and the second spring seat is provided with a reinforcing rib on the outer side of the groove. Preferably, the groove is along the second spring seat. The through hole extends axially, and the reinforcing rib is disposed corresponding to the groove. More preferably, the groove is uniformly disposed along the circumferential direction of the through hole, and the reinforcing rib is disposed corresponding to the groove.

Further, the second elastic structure further includes a damping unit disposed between the second spring seat and the hanging spring fixing seat, one end of which is slidably engaged with the second through hole portion of the hanging spring fixing seat, and the other end extends into the first The inside of the through hole of the two spring seat; the one end of the damper unit extending into the through hole of the second spring seat is a truncated cone structure, and the end of the end is smallest in size; the center of the damper unit is provided with a through hole, and the sling is penetrated The through hole is slidably engaged with the through hole.

Further, at least three damping ribs are disposed in the through hole of the damper unit. Preferably, the damper is uniformly disposed along the circumferential direction of the through hole of the damper unit;

At least one slot is provided at each end of the through hole of the damper unit. Preferably, the slots at both ends of the through hole are staggered.

In order to achieve the second object of the invention, the present invention adopts the following technical solutions:

A washing machine equipped with the above-mentioned vibration damping component, the washing machine further comprising at least a washing machine casing and a washing machine outer tub, wherein the washing machine casing is provided with a mounting structure matched with the hanging rod, and is connected with the hanging rod; a bottom mounting side of the outer tub of the washing machine is provided with a mounting structure that cooperates with the hanging rod, and is connected with the hanging rod;

Alternatively, the washing machine box is provided with a mounting structure that cooperates with the hanging rod, and is connected with the hanging rod; the bottom circumferential side of the outer barrel of the washing machine is provided with a mounting structure matched with the hanging rod, and the hanging structure Rod connection.

Further, one end of the boom away from the first elastic structure is a hook-shaped structure, or a positioning structure for preventing the boom from being separated from the washing machine casing/outer bucket, and the washing machine casing/outer bucket is provided with the hook shape a hanging hole or a mounting hole matched with the positioning structure; the end of the hanging rod away from the first elastic structure is a hook structure, or a positioning structure for preventing the hanging rod from being separated from the outer tub/case of the washing machine, outside the washing machine The barrel/case is provided with a hanging hole matched with the hook structure or a mounting hole matched with the positioning structure.

After adopting the technical solution described in the present invention, the following beneficial effects are brought about:

1. The structure of the vibration damping component of the present invention is simple in design, and the vibration damping effect is obviously enhanced by the cooperation of the first elastic structure and the second elastic structure.

2. The structure of the vibration damping member of the present invention is simple in design, and the suspension spring and the second elastic structure are disposed in the middle portion of the vibration damping member, so that both ends of the vibration damping member are only Compared with the smaller boom and the hanging rod, the washing machine only occupies a relatively small position, and because the space in the middle position of the washing machine is large, the structure of the damping part can be designed larger and the assembly length is longer. Damping springs and hanging springs for better vibration damping.

3. The invention provides a damping unit between the hanging spring fixing seat and the second spring seat, and a groove for storing damping grease is arranged in the through holes of the two, and a damping rib is further arranged in the through hole of the damping unit to increase The overall damping force of the damping component is suitable for a larger-capacity pulsator washing machine. In addition, one end of the damper unit extending into the second spring seat is set as a truncated cone, so that the damping force provided by the damper unit is variable, and the second spring seat is squeezed. The greater the force of the pressure damping unit, the greater the damping force generated by the damping unit.

4. The invention saves the installation space of the outer tub of the washing machine, can effectively reduce the volume of the outer tub of the washing machine, simplifies the design of the outer tub of the washing machine, and makes the operation of the washing machine more reliable.

DRAWINGS

Figure 1: is a longitudinal sectional view of a vibration damping member of the present invention;

Figure 2: Exploded view of the damping member of the present invention;

Figure 3 is a partial enlarged view of Y of Figure 1;

Figure 4 is a schematic view of the hanging spring fixing seat of the present invention;

Figure 5 is a schematic view of a second spring seat of the present invention;

Figure 6 is a schematic view of a damping unit of the present invention;

Among them: 1, the boom; 2, the first elastic structure / hanging spring; 21, hanging rod; 22, hanging spring body; 23, hanging spring fixing seat; 231, damping groove; 232, hanging spring reinforcing rib; a first through hole portion; 234, a second through hole portion; 3, a second elastic structure; 31, a damping spring; 32, a first spring seat; 33, a second spring seat; 331, a groove; 34, damping unit; 341, damping ribs; 342, slotting; 4, boom seat; 5, hanging rod seat.

detailed description

The embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that the orientation or positional relationship of the terms "upper", "lower", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, only for the purpose of The invention is not limited by the scope of the invention, and is not intended to be a limitation of the invention.

In the description of the present invention, it should be noted that the terms "mounting" and "connecting" are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise explicitly stated and defined. Ground connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings.

As shown in FIG. 1 to FIG. 6 , a vibration damping component of a washing machine includes a boom 1 , and one end of the boom 1 is connected to a washing machine cabinet/outer bucket, and further includes

a first elastic structure 2, one end of the first elastic structure 2 is provided with a hanging rod 21 connected to the outer tub/case of the washing machine, and the other end is connected with the hanging rod 1 by sliding connecting members arranged on the hanging rod 1;

a second elastic structure 3, the second elastic structure 3 is disposed in the first elastic structure 2, and one end thereof is also connected to the boom 1;

The boom 1 is disposed to be axially movable relative to the hanger 21 and to deform the first elastic structure 2 and the second elastic structure 3 when moved.

In the above aspect, the vibration damping member of the washing machine of the present invention is generally used in a pulsator washing machine. One end of the boom 1 is connected to the washing machine casing/outer tub through the boom base 4; the hanging rod 21 is connected to the outer tub/box of the washing machine through the hanging rod seat 5. Both the first elastic structure 2 and the second elastic structure 3 have elasticity, deform under the action of an external force, and return to the original state after the external force is removed. The elastic portions of the first elastic structure 2 that are deformed may be springs, or one spring and the other elastic portion. The boom 1 is disposed to be axially movable relative to the hanging rod 21, and deforms the first elastic structure 2 and the second elastic structure 3 when moving, thereby providing a damping force. One end of the hanging rod 21 is disposed at one end of the first elastic structure 2, and the other end is connected to the washing machine box or the outer tub. One end of the hanging rod 1 is connected to the outer tub or the box of the washing machine, and the hanging rod 1 is also set by sliding. The connecting member thereon is connected to the other end of the first elastic structure 2, and it is also connected to the second elastic structure 3.

Further, the first elastic structure 2 includes a hanging spring 2, and the hanging spring 2 includes a hanging spring body 22, a hanging rod 21 disposed at one end of the hanging spring body 22, and a connecting member disposed at the other end thereof;

The connecting member is a hanging spring fixing seat 23, and is detachably connected to the hanging spring body 22. The second elastic structure 3 is disposed in the hanging spring body 22, and is located at the other end of the hanging spring fixing seat 23 and the hanging rod 1. Preferably, the hanging spring fixing seat 23 is screwed to the hanging spring body 22.

The hanging spring body 22 is integrally formed with the hanging rod 21; or the hanging spring body 22 is fixedly connected with the hanging rod 21; or the hanging spring body 22 is detachably connected with the hanging rod 21.

In the above solution, the hanging spring fixing base 23 and the hanging spring body 22 are detachably connected, and the connecting manner may be a snapping, a screwing connection, etc. In the present embodiment, a preferred embodiment is the hanging spring fixing seat 23 and the The hanging spring body 22 is screwed. The function of the hanging spring fixing seat 23 is to connect the fixing hanging spring 2, and the second elastic structure 3 is disposed in the hanging spring body 22 between the hanging spring fixing seat 23 and the other end of the hanging rod 1.

Further, the second elastic structure 3 includes

Damping spring 31, first spring seat 32, second spring seat 33;

The first spring seat 32 and the second spring seat 33 are respectively disposed at two ends of the damper spring 31 and abut against the damper spring 31. The second elastic structure 3 passes through the second spring seat 33 and the hang spring mount. The 23 phases abut against each other and are connected to the other end of the boom 1 through the first spring seat 32;

The boom 1 sequentially passes through the hanging spring fixing seat 23, the second spring seat 33, the damper spring 31 and the first spring seat 32, and the other end of the boom 1 is provided to prevent the first spring seat 32 from being damped. The spring 31 acts as a slidable positioning structure. The other end of the rod is connected; the first spring seat 32 has a tendency to slip off the boom 1 under the elastic force of the damper spring 31, and the first spring seat 32 can be prevented from slipping off the boom 1 by providing a positioning structure. .

In the above solution, the damper spring 31 is interposed between the first spring seat 32 and the second spring seat 33, respectively abutting against the two, and the boom 1 drives the first spring seat 32 to be displaced, thereby The damping spring 31 is deformed to generate a damping force. The other end of the boom 1 is one end of the boom 1 that is not connected to the washing machine casing/outer tub. The positioning structure of the other end of the boom 1 may be a structure that is detachably connected to the boom 1 or a structure integrally formed with the boom 1. If the end of the boom 1 can pass through the hanging spring holder 23 in sequence. The second spring seat 33, the damper spring 31 and the first spring seat 32, the positioning structure of the boom 1 is preferably integrally formed with the boom 1, if the end of the boom 1 cannot pass through the hanging spring mount 23 in sequence. The second spring seat 33, the damper spring 31 and the first spring seat 32, the positioning structure of the boom 1 must be detachably connected to the boom 1.

Further, the center of the hanging spring fixing seat 23 is provided with a through hole, and the hanging rod 1 extends through the through hole into the hanging spring body 22 to be connected with the second elastic structure 3;

The through hole includes a first through hole portion 233 that is slidably engaged with the boom 1, and a second through hole portion 234;

a second spring seat 33 and a partial damper spring 31 are disposed in the second through hole portion 234, and the second spring seat 33 is abutted in the second through hole portion 234 by the damper spring 31;

The aperture of the first through hole portion 233 is smaller than the second through hole portion 234, and the intersection of the two is provided with a limiting structure for preventing the second spring seat 33 from sliding down by the damping spring 31.

In the above aspect, the second spring seat 33 is abutted in the second through hole portion 234 by the damper spring 31, preventing the second spring seat 33 and the damper spring 31 from being in the second through hole portion. The movement of 234 in the radial direction, the limiting structure limits the second spring seat 33 and the damping spring 31 in the hanging spring body. Since the aperture of the first through hole portion 233 is smaller than the second through hole portion 234, the intersection of the two through hole portions can directly serve as a limiting structure for preventing the second spring seat 33 from sliding down and acting on the damping spring 31. The limiting structure Preferably, the limiting surface generated by the inner diameter of the different through holes is provided; or a limiting structure for preventing the second spring seat 33 from sliding down by the damping spring 31 is additionally provided at the intersection of the two through holes.

Further, a damping groove 231 for storing a damping grease is disposed inside the first through hole portion 233 of the hanging spring fixing seat 23, and a hanging spring reinforcing bar 232 is disposed outside the hanging spring fixing seat 23 of the damping groove 231. Preferably, The damper groove 231 extends along the axial direction of the through hole, and the damper rib 232 is disposed corresponding to the damper groove 231. More preferably, the damper groove 231 is evenly disposed along the circumferential direction of the first through hole portion 233. The hanging spring reinforcing rib 232 is disposed corresponding to the damping groove 231.

In the above solution, the damping grease is a widely used high-resistance grease, which is mainly designed for retarding, buffering and waterproof sealing of a slow switching mechanism with large resistance requirements, so that the moving parts are more stable, smooth and accurate. Operation. The storage of damping grease in the damping groove 231 increases the damping performance while also reducing wear. The hanging spring reinforcing rib 232 increases the strength of the hanging spring fixing seat 23. When the damping groove 231 extends axially along the through hole, the damping force generated by the relative sliding between the suspension rod 1 and the hanging spring fixing seat 23 is small, and the damping force is provided without causing the damping force to be too large to affect the same. Relative sliding with the boom 1. The damping groove 231 is uniformly disposed circumferentially along the first through hole portion 233 in order to uniformly distribute the provided damping force so as not to cause unnecessary skew or the like. Further, it is more preferable that the hanging spring fixing seat 23 has a certain length to prevent the hanging spring fixing seat 23 from being skewed during use, and the second spring seat 33 and the partial damping spring provided inside the hanging spring fixing seat 23. Produces friction and interferes with abnormal sounds.

Further, a center of the first spring seat 32 and the second spring seat 33 are provided with a through hole through which the boom 1 passes, and the through hole of the second spring seat 33 is at least partially slidably engaged with the boom 1;

A groove 331 for storing a damping grease is disposed in the through hole of the second spring seat 33 and the suspension rod 1 , and the second spring seat 33 is provided with a reinforcing rib 332 disposed outside the groove 331 . Preferably, the groove The 331 extends axially along the through hole of the second spring seat 33. The reinforcing rib 332 is disposed corresponding to the groove 331. More preferably, the groove 331 is uniformly disposed along the circumferential direction of the through hole, and the reinforcing rib 332 corresponds to the groove. 331 settings.

In the above solution, the groove 331 for storing the damping grease is disposed in the through hole of the second spring seat 33 in order to increase the damping force of the second spring seat 33 without causing the damping force to be too large to affect the suspension rod 1 The relative sliding also reduces wear; the reinforcing rib 332 is disposed on the outer side thereof to increase the strength of the second spring seat 33. The axial extension is to obtain a suitable damping force, and the circumferential direction is evenly arranged in order to uniformly distribute the generated damping force, so as to avoid an accident such as skew due to uneven damping force.

Further, the second elastic structure 3 further includes a damping unit 34 disposed between the second spring seat 33 and the hanging spring fixing seat 23, and one end and the second through hole portion 234 of the hanging spring fixing seat 23. The other end of the damper unit 34 extends into the through hole of the second spring seat 33; the outer end of the damper unit 34 extends into the through hole of the second spring seat 33 as a truncated cone structure, and the end of the end has the smallest dimension; the damper unit 34 The center of the hole is provided with a through hole, and the boom 1 penetrates through the through hole and is slidably engaged with the through hole.

In the above solution, the damping unit 34 provides a suitable damping force, while also making the sliding connection between the second spring seat 33, the hanging spring fixing seat 23 and the boom 1 more reliable, reducing the skew of each component. The possibility increases the overall reliability. The damper unit 34 is slidably engaged with the second through hole portion 234 of the hanging spring fixing seat 23 to prevent it from extending in the radial direction of the hanging spring fixing seat 23. One end of the damper unit 34 that protrudes into the through hole of the second spring seat 33 is a truncated cone structure, so that the damping force formed by the damper unit is variable. During the dehydration operation of the washing machine, the second spring seat 33 presses the damper unit 34 when pressed, so that the through hole of the damper unit 34 is reduced, and the resistance formed by the boom 1 is increased. The greater the pressing force of the second spring seat 33, the greater the damping force of the damping unit.

Further, at least three dams 341 are disposed in the through holes of the damper unit 34. Preferably, the dams 341 are uniformly disposed along the circumferential direction of the through holes of the damper unit 34; At least one slot 342 is provided. Preferably, the slots 342 at both ends of the through hole are staggered.

In the above solution, a plurality of damping ribs 341 are provided for increasing the friction damping force of the damping unit 34, thereby enhancing the reliability of the damping unit 34, and the circumferential direction is uniformly arranged to make the damping force uniform, so as to avoid accidental deformation of the damping unit 34 or The skew occurs, which in turn affects the position and action between the second spring seat 33, the damper spring 31, or the circlip spring mount 23. The slot 342 is provided at both ends of the through hole of the damper unit 34 in order to increase the elasticity of the damper unit 34 and prolong its service life. The slits 342 at both ends of the through hole are staggered to increase the strength of the damper unit 34 while increasing the elasticity.

Further, the present invention further provides a washing machine comprising the vibration damping component as described above, the washing machine further comprising at least a washing machine casing and a washing machine outer tub, wherein the washing machine casing is provided with the hanging The mounting structure of the rod 1 is matched with the boom 1; the bottom circumferential side of the outer tub of the washing machine is provided with a mounting structure for engaging with the hanging rod 21, and is connected with the hanging rod 21;

Alternatively, the washing machine housing is provided with a mounting structure that cooperates with the hanging rod 21, and is connected to the hanging rod 21; the bottom circumferential side of the outer tub of the washing machine is provided with a mounting structure that cooperates with the hanging rod 1. And connected to the boom 1.

In the above solution, one end of the boom 1 and the hanging rod 21 away from the first elastic structure 2 may be a hook structure, or may be a snapped structure or a screwed structure. In general, a hook structure is preferred.

Further, one end of the boom 1 away from the first elastic structure 2 is a hook structure, or a positioning structure for preventing the boom 1 from being separated from the washing machine box/outer barrel, and the washing machine box/outer barrel is provided with a hanging hole matched with the hook structure or a mounting hole matched with the positioning structure;

One end of the hanging rod 21 away from the first elastic structure 2 is a hook-shaped structure, or a positioning structure for preventing the hanging rod 21 from being separated from the outer tub/case of the washing machine, and the outer tub/case of the washing machine is provided with the hook A hanging hole that fits the shape structure or a mounting hole that cooperates with the positioning structure.

Embodiment 1

As shown in FIG. 1-6, in the embodiment, the vibration damping member of the washing machine is disposed on the pulsator washing machine.

The vibration damping component of the washing machine includes a boom 1, one end of the boom 1 is connected to the washing machine cabinet/outer bucket, and further includes

As shown in FIG. 1-6, specifically, the first elastic structure 2 includes a hanging spring 2, and the hanging spring 2 includes a hanging spring body 22, a hanging rod 21 disposed at one end of the hanging spring body 22, and a hanging rod 21 disposed at the other end thereof. The connecting member is a hanging spring fixing seat 23, the hanging spring fixing seat 23 is screwed with the hanging spring body 22, and the second elastic structure 3 is disposed in the hanging spring body 22 at the hanging spring The fixing seat 23 is located between the other end of the boom 1.

The hanging spring body 22 is integrally formed with the hanging rod 21.

The second elastic structure 3 includes a damper spring 31, a first spring seat 32, and a second spring seat 33. The first spring seat 32 and the second spring seat 33 are respectively disposed at two ends of the damper spring 31. And abutting against the damping spring 31, the second elastic structure 3 abuts against the hanging spring fixing seat 23 through the second spring seat 33, and is connected to the other end of the boom 1 through the first spring seat 32; the boom 1 sequentially passes through the hanging spring fixing seat 23, the second spring seat 33, the damping spring 31 and the first spring seat 32, and at the other end of the boom 1 is provided to prevent the first spring seat 32 from sliding down in the damping spring 31 The positioning structure of the strip. Connecting the other end of the rod;

A through hole is defined in the center of the hanging spring fixing seat 23, and the hanging rod 1 extends through the through hole into the hanging spring body 22 to be connected with the second elastic structure 3; the through hole includes a sliding fit with the suspension rod 1. a first through hole portion 233 and a second through hole portion 234; a second spring seat 33 and a partial damper spring 31 are disposed in the second through hole portion 234, and the second spring seat 33 is received by the damper spring 31 Relying in the second through hole portion 234; the aperture of the first through hole portion 233 is smaller than the second through hole portion 234, and the intersection of the two is disposed to prevent the second spring seat 33 from sliding down the damper spring 31 Bit structure.

A damping groove 231 for storing damping grease is disposed inside the first through hole portion 233 of the hanging spring fixing seat 23, and a hanging spring reinforcing bar 232 is disposed outside the hanging spring fixing seat 23 of the damping groove 231. The damping groove 231 is provided. The axial direction of the through hole extends and is uniformly disposed along the circumferential direction of the first through hole portion 233, and the hanging spring reinforcing rib 232 is disposed corresponding to the damping groove 231.

A through hole through which the boom 1 passes is disposed at a center of the first spring seat 32 and the second spring seat 33, and a through hole of the second spring seat 33 is at least partially slidably engaged with the boom 1;

A groove 331 for storing damping grease is disposed in the through hole of the second spring seat 33 and the suspension rod 1 , and the second spring seat 33 is provided with a reinforcing rib 332 disposed on the outer side of the groove 331 . The through holes of the two spring seats 33 extend axially and are evenly disposed along the circumferential direction of the through holes, and the reinforcing ribs 332 are disposed corresponding to the grooves 331.

The second elastic structure 3 further includes a damping unit 34 disposed between the second spring seat 33 and the hanging spring fixing seat 23, and one end of which is slidably engaged with the second through hole portion 234 of the hanging spring fixing seat 23, The other end of the damper unit extends into the through hole of the second spring seat; the outer side of the damper unit that protrudes into the through hole of the second spring seat is a truncated cone structure, and the end of the damper unit has the smallest dimension; the center of the damper unit 34 is provided with a through hole. The boom 1 extends through the through hole and is in sliding engagement with the through hole.

At least three dams 341 are disposed in the through hole of the damper unit 34, and the dams 341 are evenly disposed along the circumferential direction of the through hole of the damper unit 34; at least one slot 342 is disposed at both ends of the through hole of the damper unit 34. The slots 342 at both ends of the through hole are staggered.

The pulsator washing machine of the embodiment includes at least a washing machine casing and a washing machine outer tub, and the washing machine casing is provided with a mounting structure matched with the boom 1 and connected with the boom 1; The bottom circumferential side of the tub is provided with a mounting structure that cooperates with the hanging rod 21 and is connected to the hanging rod 21.

One end of the boom 1 and the hanging rod 21 away from the first elastic structure 2 is a hook-shaped structure, and the washing machine casing and the outer tub of the washing machine are provided with hanging holes that cooperate with the hook-shaped structure.

Embodiment 2

As shown in FIG. 1 to FIG. 6, in the embodiment, the vibration damping member of the washing machine is disposed on the pulsator washing machine.

Different from the first embodiment is

The hanging rod 21 is connected to the washing machine box, and the other end of the boom 1 is connected to the outer tub of the washing machine.

The washing machine box is provided with a mounting structure that cooperates with the hanging rod 21, and is connected with the hanging rod 21; the bottom circumferential side of the outer tub of the washing machine is provided with a mounting structure matched with the hanging rod 1, and The boom 1 is connected.

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. Any simple modifications, equivalent changes and modifications made to the above embodiments are still within the scope of the present invention. The above is an embodiment of the present invention, and it should be noted that various modifications and improvements can be made by those skilled in the art without departing from the principles of the present invention. protected range.

Claims

A vibration damping component of a washing machine, comprising: a boom, one end of the boom being connected to the washing machine cabinet/outer bucket, characterized in that: further comprising

a first elastic structure, one end of the first elastic structure is provided with a hanging rod connected to the outer tub/box of the washing machine, and the other end is connected with the hanging rod by sliding a connecting member disposed on the hanging rod;

a second elastic structure, the second elastic structure is disposed in the first elastic structure, and one end thereof is also connected to the suspension rod;

The boom is disposed to be axially movable relative to the hanger and to deform the first resilient structure and the second resilient structure when moved.
A vibration damping member for a washing machine according to claim 1, wherein:

The first elastic structure includes a hanging spring, and the hanging spring includes a hanging spring body, a hanging rod disposed at one end of the hanging spring body, and a connecting member disposed at the other end;

The connecting member is a hanging spring fixing seat, and is detachably connected to the hanging spring body. The second elastic structure is disposed in the hanging spring body, and is located between the hanging spring fixing seat and the other end of the hanging rod. Preferably, the hanging The spring mount is screwed to the hanging spring body.
A vibration damping member for a washing machine according to claim 1 or 2, wherein said second elastic structure comprises

Damping spring, first spring seat, second spring seat;

The first spring seat and the second spring seat are respectively disposed at two ends of the damper spring and abut against the damper spring, and the second elastic structure abuts against the hang spring fixing seat through the second spring seat, and passes through the first The spring seat is connected to the other end of the boom;

The hanging rod sequentially passes through the hanging spring fixing seat, the second spring seat, the damping spring and the first spring seat, and the other end of the lifting rod is provided with a positioning structure for preventing the first spring seat from sliding down by the damping spring .
A vibration damping member for a washing machine according to any one of claims 2 to 3, wherein:

The center of the hanging spring fixing seat is provided with a through hole, and the hanging rod extends through the through hole and extends into the hanging spring body to be connected with the second elastic structure;

The through hole includes a first through hole portion that is slidably engaged with the boom, and a second through hole portion;

a second spring seat and a partial damper spring are disposed in the second through hole portion, and the second spring seat is abutted in the second through hole portion by the damper spring;

The aperture of the first through hole portion is smaller than the second through hole portion, and the intersection of the two is provided with a limiting structure for preventing the second spring seat from sliding down by the damping spring.
A vibration damping member for a washing machine according to claim 4, wherein:

a damping groove for storing damping grease is disposed inside the first through hole portion of the hanging spring fixing seat, and a hanging spring reinforcing bar is disposed outside the hanging spring fixing seat of the damping groove. Preferably, the damping groove is along the through hole axis To extend, the hanging spring reinforcing rib is disposed corresponding to the damping groove. More preferably, the damping groove is uniformly disposed along the circumferential direction of the first through hole portion, and the hanging spring reinforcing rib is disposed corresponding to the damping groove.
A vibration damping member for a washing machine according to claim 3, wherein:

a through hole through which the boom passes is disposed at a center of the first spring seat and the second spring seat, and a through hole of the second spring seat is at least partially slidably engaged with the boom;

a groove for storing damping grease is disposed in the through hole of the second spring seat and the sliding rod, and the second spring seat is provided with a reinforcing rib on the outer side of the groove. Preferably, the groove is along the second spring seat. The through hole extends axially, and the reinforcing rib is disposed corresponding to the groove. More preferably, the groove is uniformly disposed along the circumferential direction of the through hole, and the reinforcing rib is disposed corresponding to the groove.
A vibration damping member for a washing machine according to any one of claims 3 to 4, wherein:

The second elastic structure further includes a damping unit disposed between the second spring seat and the hanging spring fixing seat, one end of which is slidably engaged with the second through hole portion of the hanging spring fixing seat, and the other end extends into the second spring Inside the through hole of the seat;

One end of the damper unit extending into the through hole of the second spring seat is a truncated cone structure, and the end of the end has the smallest dimension;

The center of the damping unit is provided with a through hole, and the boom penetrates through the through hole and is slidably engaged with the through hole.
A vibration damping member for a washing machine according to claim 7, wherein:

At least three damping ribs are disposed in the through hole of the damper unit. Preferably, the damper is uniformly disposed along the circumferential direction of the through hole of the damper unit;

At least one slot is provided at each end of the through hole of the damper unit. Preferably, the slots at both ends of the through hole are staggered.
A washing machine equipped with the vibration damping member according to any one of claims 1 to 8, the washing machine further comprising at least a washing machine casing and a washing machine outer tub, wherein the washing machine casing is provided with the The hanging rod cooperates with the mounting structure and is connected with the hanging rod; the bottom circumferential side of the outer tub of the washing machine is provided with a mounting structure matched with the hanging rod, and is connected with the hanging rod;

Alternatively, the washing machine box is provided with a mounting structure that cooperates with the hanging rod, and is connected with the hanging rod; the bottom circumferential side of the outer barrel of the washing machine is provided with a mounting structure matched with the hanging rod, and the hanging structure Rod connection.
A washing machine according to claim 9, wherein:

One end of the lifting rod away from the first elastic structure is a hook-shaped structure, or a positioning structure for preventing the lifting rod from being separated from the washing machine box/outer barrel, and the washing machine box/outer barrel is provided with the hook-shaped structure. a hanging hole or a mounting hole that cooperates with the positioning structure;

One end of the hanging rod away from the first elastic structure is a hook structure, or a positioning structure for preventing the hanging rod from being separated from the outer tub/case of the washing machine, and the outer tub/case of the washing machine is provided with the hook structure Hanging holes or mounting holes that cooperate with the positioning structure.