WO2018121719A1 - Vibration reduction component for laundry machine, and laundry machine - Google Patents

Abstract

A vibration reduction component for a laundry machine, comprising: a vibration reduction unit including a main body (3) and a vibration reduction element, wherein the vibration reduction element is deformed with respect to the main body (3) to provide a damping force; a first rod (1) having one end connected to the vibration reduction element; and a second rod (2) having one end connected to the main body (3), wherein the other end of the first rod (1) is mounted to a housing (7) of a laundry machine, and the other end of the second rod (2) is mounted to an outer drum (8) of the laundry machine. Also provided is a laundry machine equipped with the vibration reduction component. The laundry machine at least further comprises a housing (7) and an outer drum (8), the housing (7) is provided with a mounting structure for engagement with the first rod (1) and connected to the first rod (1), and the outer drum (8) is provided with a mounting structure for engagement with the second rod (2) and connected to the second rod (2). The vibration reduction component of the present invention has a compact size to reduce the possibility of colliding with an internal structure of a laundry machine, thus reducing noise during a laundry process.

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 in order to adapt to the installation of the vibration-damping parts, the volume of the bottom of the outer tub of the washing machine is relatively large. 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 member for a washing machine that 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 vibration damping unit comprising a body and a damping element, wherein the damping element provides a damping force relative to the deformation of the body;

a first boom having one end connected to the damping element;

Also included is a second boom having one end connected to the body;

The other end of the first boom is connected to the washing machine cabinet, and the other end of the second boom is connected to the outer tub of the washing machine;

Alternatively, the other end of the first boom is connected to the outer tub of the washing machine, and the other end of the second boom is connected to the washing machine casing.

Further, the damping element is disposed in the body, the first boom extends into the body and is coupled to the damping element; the first boom is disposed to be axially movable relative to the second boom, and is moved while moving The damping element is deformed.

Further, the damping element includes

a damping spring, one end of which is in contact with one end of the body;

a spring seat disposed at the other end of the damper spring and in contact with the damper spring;

a damping unit disposed on a side of the spring seat facing away from the damping spring and slidably engaged with the body;

The first boom passes through the damper spring, the spring seat and the damper unit in sequence, and a positioning structure for preventing the damper unit from sliding down in the damper spring is disposed at the end of the first boom, and the damper unit is in the damper spring Under the elastic force, there is a tendency to slip off from the first boom, and the positioning unit can be prevented from slipping off the first boom.

Further, the damping unit includes a damping block supporting seat, a damping block and a rubber pad which are sleeved on the damping block supporting seat, the damping block supporting seat is provided with a hook, and the hook passes through the damping block and the rubber pad Engaged with the spring seat to restrain the damping block and the rubber pad between the damping block support seat and the spring seat, the outer peripheral surface of the damping block is in contact with the inner wall of the body to generate friction damping when the two are relatively moved force.

Further, a center of the damping block support seat is provided with a through hole, the first boom passes through the through hole, and a first extending rod is located at one end of the body body and is provided with a radially extending protrusion. It is stuck on the side of the damping block support seat facing away from the spring seat so that the first boom is caught in the through hole.

Further, the plurality of hooks are provided, and the spring seat is provided with a through hole that cooperates with the hook, the hook passes through a through hole in the spring seat, and is stuck on the spring seat back to the damping block One side of the seat.

Further, the body includes an outer sleeve and a first fixing seat and a second fixing seat fixedly disposed at two ends of the outer sleeve; the first fixing seat and the second fixing seat are correspondingly provided with the first hanging rod and the second hanging a through hole through which the rod passes, and the first suspension rod is slidably engaged with the first fixed seat, and the second hanging rod is relatively fixed with the second fixed seat;

Preferably, the first fixing seat and the second fixing seat are fixedly connected to both ends of the outer sleeve by rolling riveting.

Further, the second boom is disposed at one end of the body body with a radially extending protrusion, and the second fixing seat of the protrusion card is located at one side of the outer sleeve, so that the second suspension rod is stuck in the lower fixing seat. Inside the hole.

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 first boom, and the first a boom connection; a bottom mounting side of the outer tub of the washing machine is provided with a mounting structure that cooperates with the second boom, and is connected with the second boom;

Alternatively, the washing machine casing is provided with a mounting structure that cooperates with the second boom, and is connected with the second boom; the bottom circumferential side of the washing machine outer tub is provided with the first boom Install the structure and connect it to the first boom.

Further, one end of the first boom and the second boom away from the vibration damping unit 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.

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

1. The structural design of the vibration damping component of the present invention is simple. By moving the vibration damping unit to the middle portion of the vibration damping component, the two ends of the vibration damping unit are only relatively small hangers, so that only the comparison is occupied on the outer tub of the washing machine. Small position, and because the damping part is located in the middle position of the washing machine, the space inside the washing machine is large, so the structure of the damping part can be designed larger, and the damping spring with longer length is assembled to achieve better Damping effect.

2. The invention integrates the damping block with the body to increase the damping force of the whole damping member, and is suitable for a large-capacity pulsator washing machine.

3. The damping block of the invention is installed between the spring seat and the damping block support seat, and the spring seat and the damping block support seat are connected by a buckle, which has the advantages of simple and reliable installation and low manufacturing cost.

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 is a longitudinal sectional view of a vibration damping unit of the present invention;

Figure 3 is a partial enlarged view of Y of Figure 2;

Figure 4 is a schematic view showing the structure of a washing machine of the present invention;

Among them: 1, the first boom 2, the second boom 3, the body 4, the damping element 5, the upper boom seat 6, the lower boom seat 7, the washing machine box 8, the washing machine barrel 9, the rubber sleeve 31, the first A fixing base 32, a second fixing base 33, an outer sleeve 41, a damping spring 42, a spring seat 43, a damping block supporting seat 44, a damping block 45, a rubber pad 431, and a hook.

detailed description

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

As shown in FIG. 1, a vibration damping component of a washing machine includes a first boom 1, a second boom 2, and a vibration damping unit connected between the first boom 1 and the second boom 2, The damping unit is located at a central portion of the entire damping member, and the first boom 1 and the second boom 2 are distributed at both ends of the damping unit.

The damping unit comprises a body 3 and a damping element 4, the body 3 having a cavity for receiving the damping element 4 to provide support and protection for the damping element 4. One end of the first boom 1 is connected to the damping element 4, and one end of the second boom 2 is connected to the body 3. The first boom 1 can move axially relative to the body 3 and the second boom 2, and simultaneously drive The damping element 4 is deformed relative to the body 3, and when the damping element 4 is deformed, a damping force is generated.

As shown in the drawing, the other end of the first boom 1 is used for fitting to the washing machine casing 7, and the other end of the second boom 2 is for fitting to the outer tub 8 of the washing machine, and the outer tub 8 of the washing machine will directly vibrate. The second boom 2 is moved to make the first boom 1 and the second boom 2 relatively displaced. When the first boom 1 and the second boom 2 move relative to each other, the damping element 4 is deformed, and the damping component is 4 The energy of the vibration is absorbed by the deformation.

Due to the gravity of the outer tub 8 of the washing machine, the damping element 4 is mainly subjected to tensile stress, and the first boom 1 and the second boom 2 can move in opposite directions under the action of the gravity of the outer tub 8 of the washing machine, and are compressed and reduced. a vibration element 4, the damping element 4 is disposed in the body 3, the first boom 1 extends into the body 3 and is connected to the damping element 4, and the first boom 1 can drive the damping element 4 on the body 3. The inner axial movement moves, and the second boom 2 moves synchronously with the body 3 under the action of the gravity of the outer tub 8 of the washing machine.

As shown in FIG. 2, specifically, the damping element 4 includes

The damper spring 41 is mounted in the body 3, and one end thereof is in contact with one end of the body 3;

a spring seat 42 disposed at the other end of the damper spring 41 and in contact with the damper spring 41, the spring seat 42 being axially slidable within the body 3;

The damper unit is disposed on a side of the spring seat 42 facing away from the damper spring 41 and is slidably engaged with the body 3.

The first boom 1 passes through the damper spring 41, the spring seat 42 and the damper unit in sequence, and a positioning structure for preventing the damper unit from sliding down the damper spring 41 is provided at the end of the first boom 1, damping The unit has a tendency to slip off the first boom 1 under the elastic force of the damping spring 41. By providing the positioning structure, the damping unit can be prevented from slipping off the first boom 1, and the first boom 1 is driven to reduce vibration. The spring 41, the spring seat 42 and the damper unit are simultaneously moved, and the damper spring 41 is in a compressed state under the action of the gravity of the outer tub 8 of the washing machine.

As shown in FIG. 3, in particular, the damper unit includes a damper block support 43, an annular damper block 44 and a rubber pad 45 that are fitted over the damper block support 43. The damping block support seat 43 has a stepped cylindrical structure to facilitate the insertion and positioning of the damping block 44. The outer circumferential surface of the damping block 44 is in contact with the inner wall of the body 3 to generate frictional resistance when the two are relatively moved. The frictional resistance is increased, and the damping block 44 is made of a wear resistant material having a high coefficient of friction.

The center of the damper block support 43 is provided with an axially extending hook 431. The hook 431 is engaged with the spring seat 42 through the damper block 44 and the rubber pad 45. The spring seat 42 and the damper block support After the seat 43 is engaged, the damping block and the rubber pad 45 are restrained in the annular region between the two and clamped and fixed. By providing the hook 431, the spring seat 42 and the damper block support 43 can be conveniently assembled together, and the damper block 44 can be fixed. This arrangement can also conveniently replace the damper block 44 for later maintenance. Convenience.

A center of the damper block support seat 43 is provided with a through hole, the first boom 1 is inserted through the through hole, and one end of the first boom 1 is located at one end of the body 3 and is provided with a radially extending protrusion. The positioning structure for preventing the damping unit from slipping off the first boom 1 is a truncated cone whose diameter is larger than the inner diameter of the through hole at the center of the damping block support seat 43 so that the protrusion is stuck on the damping block support The side of the seat 43 facing away from the spring seat 42 causes the first boom 1 to be caught in the through hole.

Preferably, the plurality of hooks 431 are distributed in a circular array, and the spring seat 42 is provided with a through hole that cooperates with the hook 431, and the hook 431 passes through the spring seat 42. The upper through hole is caught on the side of the spring seat 42 facing away from the damper block support seat 43, and the hook 431 has a certain elasticity to facilitate installation and disassembly.

The body 3 includes an outer sleeve and a first fixing seat 31 and a second fixing seat 32 fixedly disposed at two ends of the outer sleeve 33. The outer sleeve 33 is a straight tube through which the upper and lower ends are connected, and the first fixing seat 31 and the second fixing seat 32 are installed at the nozzle of the outer sleeve 33 to block the nozzle, the first fixing seat 31 and the The second fixing base 32 is correspondingly provided with a through hole through which the first suspension rod 1 and the second suspension rod 2 pass, and the first suspension rod 1 is slidably engaged with the first fixing base 31, and the second suspension rod 2 and the second fixing base 2 32 is relatively fixed.

The first fixing base 31 and the second fixing base 32 are fixedly connected to the two ends of the outer sleeve 33 by rolling riveting. Specifically, after the first fixing base 31 and the second fixing base 32 are mounted on the outer sleeve 33, By rolling the outer sleeve 33, the outer sleeve 33 is partially recessed and caught on the surfaces of the first fixing seat 31 and the second fixing seat 32, and the first fixing seat 31 and the second fixing seat 32 are pressed. A tight fit is formed, and the rolling may be one turn or multiple turns.

Preferably, the end of the second boom 2 located in the body 3 is also provided with a radially extending protrusion, which is also in the shape of a truncated cone, the diameter of which is larger than the inner diameter of the through hole of the second fixing seat 32, the convex The ejector second fixing seat 32 is located on one side of the outer sleeve 33 so that the second boom 2 is caught in the through hole of the lower holder.

Preferably, a rubber sleeve 9 is further disposed between the protrusion of the second boom 2 and the second fixing seat 32, and the rubber sleeve 9 is sleeved on the second boom 2.

In another embodiment, the vibration damping member may be turned upside down so that the first boom 1 and the second boom 2 are interchanged, that is, the other end of the first boom 1 is assembled to the outer tub 8 of the washing machine. The other end of the second boom 2 is fitted to the washing machine casing 7.

As shown in Fig. 4, a washing machine equipped with the above-described vibration damping member further includes a washing machine case 7 and a washing machine outer tub 8, and other conventional structures possessed by the existing washing machine.

Specifically, the washing machine casing 7 is provided with a mounting structure that cooperates with the first boom 1 and is connected to the first boom 1; the bottom circumferential side of the washing machine outer tub 8 is provided with the first The mounting structure of the two booms 2 is matched and connected to the second boom 2.

Preferably, one end of the first boom 1 and the second boom 2 away from the vibration damping unit is a hook-shaped structure, as can be formed by bending. The washing machine casing 7 and the washing machine outer tub 8 are provided with hanging holes that cooperate with the hook-shaped structure, and the hook structure of the first boom 1 is hooked on the washing machine casing 7, and the hook of the second boom 2 The structure is hooked on the outer tub 8 of the washing machine.

In another embodiment, one end of the hook structure of the first boom 1 and the second boom 2 is respectively provided with a boom seat, wherein the upper end is engaged with the washing machine box 7 as an upper boom seat 5, The lower end is engaged with the outer tub 8 of the washing machine as a lower boom base 6, and the upper boom base 5 and the lower boom base 6 are respectively mounted on the washing machine casing 7 and the washing machine outer tub 8, the first boom 1 and the The two booms 2 are respectively connected to the washing machine casing 7 and the washing machine outer tub 8 through the boom seat.

In another embodiment, the damping member is turned 180 degrees, the hook structure of the first boom 1 is hooked on the outer tub 8 of the washing machine, and the hook structure of the second boom 2 is hooked on the washing machine cabinet. 7 on.

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 (10)

1. A vibration damping component of a washing machine, comprising

   a vibration damping unit comprising a body and a damping element, wherein the damping element provides a damping force relative to the deformation of the body;

   a first boom having one end connected to the damping element;

   The method further includes: a second boom, one end of which is connected to the body;

   The other end of the first boom is connected to the washing machine cabinet, and the other end of the second boom is connected to the outer tub of the washing machine;

   Alternatively, the other end of the first boom is connected to the outer tub of the washing machine, and the other end of the second boom is connected to the washing machine casing.
2. The vibration damping component of a washing machine according to claim 1, wherein the damping element is disposed in the body, the first boom extends into the body and is connected to the damping element; the first boom It is arranged to be axially movable relative to the second boom and to deform the damping element when moving.
3. A vibration damping member for a washing machine according to claim 1 or 2, wherein said damping member comprises

   a damping spring, one end of which is in contact with one end of the body;

   a spring seat disposed at the other end of the damper spring and in contact with the damper spring;

   a damping unit disposed on a side of the spring seat facing away from the damping spring and slidably engaged with the body;

   The first boom passes through the damper spring, the spring seat and the damper unit in sequence, and a positioning structure for preventing the damper unit from sliding down in the damper spring is disposed at the end of the first boom. .
4. A vibration damping member for a washing machine according to claim 3, wherein said damping unit comprises: a damping block supporting seat, a damping block fitted on the damping block supporting seat, and a rubber pad, said damping block supporting seat a hook is disposed thereon, and the hook is engaged with the spring seat through the damping block and the rubber pad to restrain the damping block and the rubber pad between the damping block support seat and the spring seat, the damping block outer circumference The face is in contact with the inner wall of the body to generate a frictional damping force when the two are relatively moved.
5. The vibration damping component of a washing machine according to claim 4, wherein a center of the damping block support seat is provided with a through hole, the first boom passes through the through hole, and the first boom is located One end of the body is provided with a radially extending projection which is caught on the side of the damping block support seat facing away from the spring seat so that the first suspension rod is caught in the through hole.
6. The vibration damping component of a washing machine according to claim 4, wherein: the plurality of hooks are provided, and the spring seat is provided with a through hole that cooperates with the hook, and the hook passes through The through hole in the spring seat is caught on the side of the spring seat facing away from the damper block support.
7. A vibration damping member for a washing machine according to claim 2, wherein said body comprises: an outer sleeve and a first fixing seat and a second fixing seat fixedly disposed at both ends of the outer sleeve; said first fixing seat Corresponding to the second fixing seat, a through hole for the first suspension rod and the second suspension rod is provided, and the first suspension rod is slidably engaged with the first fixing base, and the second suspension rod is relatively fixed with the second fixing base;

   Preferably, the first fixing seat and the second fixing seat are fixedly connected to both ends of the outer sleeve by rolling riveting.
8. The vibration damping component of a washing machine according to claim 7, wherein the second boom is provided with a radially extending protrusion at one end of the body, and the second fixing seat of the convex card is located in the outer casing. One side of the tube is such that the second boom is caught in the through hole of the lower holder.
9. 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 case and a washing machine outer tub, wherein

   The washing machine box is provided with a mounting structure that cooperates with the first boom, and is connected with the first boom; the bottom circumferential side of the washing machine outer tub is provided with a mounting structure that cooperates with the second boom And connected to the second boom;

   Alternatively, the washing machine casing is provided with a mounting structure that cooperates with the second boom, and is connected with the second boom; the bottom circumferential side of the washing machine outer tub is provided with the first boom Install the structure and connect it to the first boom.
10. A washing machine according to claim 9, wherein one end of the first boom and the second boom away from the vibration damping unit is a hook-shaped structure, and the washing machine casing and the outer drum of the washing machine are provided with The hook-shaped structure cooperates with the hanging hole.

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