CN219908202U - Pulsator washing machine - Google Patents

Abstract

The utility model provides a pulsator washing machine, comprising: a case; a cylinder; a rod body; the rod body upper seat is arranged at the top end of the rod body; the spring lower seat is arranged at the bottom end of the rod body; the sliding piece is sleeved on the rod body in a sliding way and positioned between the upper seat of the rod body and the lower seat of the spring, and is connected with the cylinder body; a first spring disposed between the slider and the spring lower seat; the damping piece is arranged between the sliding piece and the spring lower seat, is tightly sleeved on the outer side of the rod body and is in sliding connection with the rod body; the second spring is arranged between the damping piece and the spring lower seat and sleeved on the outer side of the rod body; the cylinder body moves towards the bottom end of the rod body in a vibration state so as to sequentially compress the first spring and the second spring; when the second spring is compressed, the damping piece and the rod body slide and rub, and the damping piece is applied by the rod body to the second spring in a damping force towards the top end of the rod body. The damping force of the cylinder can be automatically adjusted according to the vibration amplitude of the cylinder.

Description

Pulsator washing machine

Technical Field

The utility model relates to the technical field of household appliances, in particular to a pulsator washing machine.

Background

The height direction of the box body of the pulsator washing machine is from the top end to the bottom end. The box body is used as a shell of the pulsator washing machine and is of a hollow structure. The box body is internally provided with a containing cavity which is used for providing installation space for the components such as the cylinder body, the suspension rod and the like. The box body is provided with a top opening which is used as a clothes taking and placing opening. The top opening of the box body is provided with a box cover, and the box cover is covered at the top opening. The case cover is used for opening and closing the top opening of the case body, and then opening or closing the accommodating cavity in the case body. The barrel is arranged in the box body, is vertically arranged, and has an opening at the top and is opposite to the opening at the top of the box body. The clothes can be put into the cylinder through the openings of the box body and the cylinder, so as to wash the clothes. The inside of the box body is provided with a driving device which is in transmission connection with the cylinder body so as to drive the inside of the cylinder body to rotate, thereby realizing clothes washing.

The driving device drives the cylinder body to vibrate up and down when in rotary motion in the horizontal direction, and the cylinder body rotates at a high speed to accelerate vibration when dehydrating and washing. And when the rotation speed of the cylinder body is slower, the vibration of the cylinder body is reduced. The damping force to restriction barrel vibration can't be adjusted in a flexible way to current jib, if the damping force is too little, then the too big circumstances of barrel assembly vibrations appear probably, appear the ram shut down or hit the condition of box. If the damping force is too large, the vibration of the case may occur too much, thereby causing the vibration of the case to be too large, causing noise.

Disclosure of Invention

The present utility model solves at least one of the technical problems in the related art to a certain extent.

To this end, the present utility model is directed to a pulsator washing machine including:

the box body is in the height direction from the top end to the bottom end, and the top end of the box body is provided with a taking and placing opening;

the cylinder body is arranged in the box body, the top end of the cylinder body is provided with an opening, and the opening corresponds to the taking and placing opening;

the rod body is arranged between the cylinder body and the box body;

the rod body upper seat is arranged at the top end of the rod body and is connected with the box body;

the spring lower seat is arranged at the bottom end of the rod body;

the sliding piece is sleeved on the rod body in a sliding way and is positioned between the upper seat of the rod body and the lower seat of the spring, and the sliding piece is connected with the cylinder body;

the first spring is sleeved on the outer side of the rod body, is arranged between the sliding piece and the spring lower seat and is used for applying elastic force to the sliding piece in the direction towards the top end of the rod body;

the damping piece is arranged between the sliding piece and the spring lower seat, is tightly sleeved on the outer side of the rod body and is in sliding connection with the rod body;

the second spring is arranged between the damping piece and the spring lower seat and sleeved on the outer side of the rod body;

the sliding piece moves towards the bottom end of the rod body under the vibration state of the cylinder body so as to sequentially compress the first spring and the second spring; and when the second spring is in a compressed state, the damping piece and the rod body are in sliding friction, and the damping piece is applied to the second spring in a damping force direction towards the top end of the rod body by the rod body.

In the utility model, when the vibration of the cylinder body is larger, the compression amount of the first spring is larger, the downward movement amount of the sliding piece is larger, only the first spring is compressed and deformed at the moment, and the elastic force of the first spring applied to the sliding piece in the direction towards the top end of the rod body can slow down the downward sliding and the vibration of the sliding piece and the cylinder body. Because the vibration of the cylinder is larger at this moment, the sliding piece slides to be in contact with the damping piece and drives the damping piece to slide downwards along the rod body, and the second spring is compressed by the sliding piece at this moment. At the moment, the second spring applies elastic force towards the top end of the rod body and sliding friction force generated by sliding friction between the damping piece and the rod body to the damping piece and the sliding piece, so that downward movement and vibration of the sliding piece, the damping piece and the cylinder body can be relieved. Therefore, the first spring and the second spring are prevented from being pressed together due to overlarge vibration of the cylinder body, collision sound caused by the pressing together of the springs is prevented, the damping piece and the second spring are arranged to enable the suspension rod to restrain the damping increase of the vibration of the cylinder body, the kinetic energy of the vibration of the cylinder body can be consumed faster, and the effect of quick shock absorption is achieved.

In some embodiments of the utility model, the damping member includes: the first connecting seat is sleeved on the outer side of the rod body; the second connecting seat is connected with the first connecting seat, the second connecting seat is sunken towards the direction away from the first connecting seat to form a sunken part, and a cavity is formed in the sunken part; the first damping block is arranged in the cavity, and at least part of the second connecting seat presses the first damping block to limit the first damping block to press the rod body.

In some embodiments of the present utility model, a flange is disposed on a side of the second connecting seat, which is close to the first connecting seat, the flange extends radially to the rod body, a bottom end of the second spring is connected to the spring lower seat, and a top end of the second spring abuts against the flange.

In some embodiments of the utility model, the slider comprises: the rod body lower seat is sleeved on the rod body, the rod body lower seat is connected with the cylinder body, and the rod body lower seat can drive the cylinder body to move along the length direction of the rod body; the spring upper seat is sleeved on the rod body and is arranged close to the bottom end of the rod body relative to the lower seat of the rod body, the spring upper seat is connected with the lower seat of the rod body, and the spring upper seat can move along the length direction of the rod body; the lower body of rod is close to the inner wall of spring seat up to the spring seat up extends there is first rampart, the inside of spring seat up is provided with holds the chamber of holding of at least part first rampart, hold the intracavity and be provided with the second damping piece, the second damping piece compresses tightly the body of rod sets up.

In some embodiments of the present utility model, a flared surface is provided on an inner wall of the first annular wall adjacent to the sprung base, the flared surface extending from the inner wall of the first annular wall to an outer wall of the first annular wall.

In some embodiments of the present utility model, the lower rod seat is provided with an extension protruding away from the upper spring seat, and the extension is provided to extend along the length direction of the rod body.

In some embodiments of the utility model, the first annular wall is inserted into the receiving cavity of the sprung base, the first annular wall abutting against an inner wall of the sprung base.

In some embodiments of the utility model, the first spring and the second spring have the same rotational direction.

In some embodiments of the utility model, a plurality of springs are further included, wherein at least two of the springs are different in length, the plurality of springs being nested between the slider and the undershot.

In some embodiments of the present utility model, the rod body includes a straight rod section and a connection section, the straight rod section extends from the top end to the bottom end of the box body, the connection sections are respectively disposed at two ends of the extending direction of the straight rod section, the rod body upper seat is abutted with the connection section at the top end of the straight rod section, and the spring lower seat is abutted with the connection section at the bottom end of the straight rod section.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a side view of a hanger bar of an pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 2 is a front view of a hanger bar of an pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 3 is a schematic view of a structure of a hanger bar of an pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 4 is a schematic view of a boom of an pulsator washing machine in accordance with a second embodiment of the present utility model;

fig. 5 is a schematic view of a hanger bar of an pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 6 is a schematic view illustrating a structure of a split lever body upper seat of a pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 7 is a schematic view showing a structure of a split spring lower seat of a pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 8 is a schematic view illustrating an installation position of a damping member of an pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 9 is a second schematic structural view of a split spring lower seat of the pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 10 is a schematic view showing a construction in which a first spring is removed from a hanger bar of an pulsator washing machine in accordance with an embodiment of the present utility model;

FIG. 11 is a front view of a hanger bar of an pulsator washing machine in accordance with an embodiment of the present utility model;

FIG. 12 is a cross-sectional view taken along the direction A-A in FIG. 11;

FIG. 13 is an enlarged schematic view of portion B of FIG. 12;

FIG. 14 is an enlarged schematic view of portion C of FIG. 12;

fig. 15 is a schematic view illustrating the construction of a second spring, a spring upper seat, and a lever lower seat of the pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 16 is a schematic view illustrating the structure of a lower rod body seat, an upper spring seat and a damping member of the pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 17 is a schematic view illustrating an installation position of a second damping block of the pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 18 is a schematic view showing a disassembled structure of a damping member of an pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 19 is a schematic view showing a structure of a lower seat spring upper seat of a rod body of a pulsator washing machine in accordance with an embodiment of the present utility model;

fig. 20 is a schematic diagram showing a disassembled structure of a damping member of an pulsator washing machine in accordance with an embodiment of the present utility model.

In the above figures: a rod body 1; a straight bar section 11; a connecting section 12; a rod upper seat 21; a rod lower seat 22; an extension 221; a first annular wall 222; flared surface 2211; a spring upper seat 23; a receiving chamber 231; a spring lower seat 24; a second damping block 25; a first spring 26; a second spring 31; a damper 32; a first connection base 321; a second connection base 322; a flange 3221; a recess 3222; a first damping block 323; protruding ribs 324.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

Hereinafter, embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 20, the pulsator washing machine provided by the present utility model includes: the device comprises a box body, a cylinder body and a suspender.

The direction of the top end to the bottom end of the box body is the height direction of the box body, the box body is used as the shell of the pulsator washing machine, the box body is arranged into a hollow structure, and the appearance shape of the box body can be designed according to the requirement. A housing cavity 231 is provided in the case, and the housing cavity 231 is used for providing a mounting space for the components such as the cylinder body, the suspension rod and the like.

The box body is provided with a top opening which is used as a clothes taking and placing opening. The top opening of the box body is provided with a box cover, and the box cover is covered at the top opening. The cover is used to open and close the top opening of the case, and further to open or close the accommodating chamber 231 in the case.

The barrel is arranged in the box body, is vertically arranged, and has an opening at the top and is opposite to the opening at the top of the box body. The clothes can be put into the cylinder through the openings of the box body and the cylinder, so as to wash the clothes. A driving device (not shown in the figure) is arranged in the box body and is in transmission connection with the cylinder body so as to drive the inside of the cylinder body to rotate, thereby realizing clothes washing.

The cartridge includes an outer barrel (not identified in the figures) and an inner barrel (not identified in the figures). The outer barrel is arranged in the box body, and the inner barrel is rotatably arranged in the outer barrel. The inner tub has a washing chamber therein, and laundry is accommodated in the washing chamber and rotated by rotation of the drum assembly when the pulsator washing machine performs a washing operation, and the laundry is washed by a collision motion with the tub. The driving device is arranged outside the outer barrel and is in transmission connection with the inner barrel so as to drive the inner barrel to rotate. Wherein, the driving device can adopt a driving motor.

A main control board is arranged on the box body. The main control board is electrically connected with the driving device. The main control board can be controlled to rotate the inner barrel, so that washing, dehydration and other washing processes of the barrel are realized.

The hanger rod is arranged in the accommodating cavity 231 of the box body and is arranged on the periphery of the barrel body, and is used for hanging the barrel body in the box body. The suspension rods are arranged in a plurality and are arranged at intervals around the circumference of the cylinder body, so that the cylinder body can be stably arranged in the box body.

The suspender can control the vibration of the cylinder body, so that the cylinder assembly can vibrate normally, and abnormal sound and displacement are avoided from being generated when the cylinder assembly impacts the box body in the operation process.

The damping force of the suspender plays a critical role in vibration control, and the damping force of the suspender must be within a preset range to play a good vibration control effect. If the damping force is too small, the barrel assembly may vibrate too much, and the ram is stopped or the case is bumped. If the damping force is too large, the vibration of the case may occur too much, thereby causing the vibration of the case to be too large, causing noise.

The boom includes: the rod body 1, the rod body upper seat 21, the sliding piece, the spring lower seat 24, the first spring 26, the second spring 31 and the damping piece 32.

The body of rod 1 sets up between barrel and box, and body of rod 1 includes straight-bar section 11 and linkage segment 12, and the straight-bar section 11 of body of rod 1 extends in the direction from the box top to the bottom, and linkage segment 12 sets up respectively at the both ends of the extending direction of straight-bar section 11, and linkage segment 12 is connected respectively at the top and the bottom of straight-bar section 11 promptly.

The slider includes: a lower rod body seat 22 and an upper spring seat 23. The top end of the rod body 1 is connected with the rod body upper seat 21 through the connecting section 12 arranged at the top end of the straight rod section 11, and the rod body upper seat 21 is connected with the inner wall of the box body. The bottom end of the rod body 1 is connected with the spring lower seat 24 through a connecting section 12 arranged at the bottom end of the straight rod section 11.

The lower rod seat 22 and the upper spring seat 23 are sleeved between the top end and the bottom end of the rod body 1, namely, the lower rod seat 22 and the upper spring seat 23 are sleeved on the straight rod section 11 of the rod body 1 and are arranged between the upper rod seat 21 and the lower spring seat 24. In the extending direction of the straight rod section 11 of the rod body 1, the rod body lower seat 22 is arranged close to the top end of the box body relative to the spring upper seat 23, and the rod body lower seat 22 is connected with the spring upper seat 23.

The first spring 26 is arranged between the upper spring seat 23 and the lower spring seat 24, the top end of the first spring 26 is sleeved on the periphery of the upper spring seat 23 so as to be connected with the upper spring seat 23, the bottom end of the first spring 26 is abutted against the lower spring seat 24, and the first spring 26 is sleeved on the middle part of the lower spring seat 24 so as to apply elastic force to the upper spring seat 23 in a direction towards the top end of the rod body 1. The lengths of the first spring 26 and the second spring 31 are different, the length of the first spring 26 is larger than that of the second spring 31, and the first spring 26 is sleeved outside the second spring 31.

The lower rod seat 22 is connected with the outer tub, when the inner tub rotates to cause the outer tub to vibrate in the washing or dehydrating stage of the pulsator washing machine, the first spring 26 is arranged to enable the cylinder to drive the lower rod seat 22 to compress the first spring 26 along the straight rod section 11 of the rod 1 and reciprocate along the straight rod section 11 of the rod 1, and the first spring 26 can buffer the vibration of the cylinder to slow down and inhibit the vibration of the outer tub.

The inner wall of the lower rod body seat 22, which is close to the upper spring seat 23, is provided with a first annular wall 222 extending towards the upper spring seat 23, a containing cavity 231 for containing at least part of the first annular wall 222 is arranged in the upper spring seat 23, a second damping block 25 is arranged in the containing cavity 231, and the second damping block 25 is pressed against the rod body 1. The second damping block 25 is slidably connected to the rod 1. The second damping block 25 may be made of a flexible material, and the second damping block 25 is in interference fit with the rod body 1, so that when the second damping block 25 slides relative to the rod body 1, a friction force exists between the second damping block 25 and the rod body 1. The straight rod section 11 of the rod body 1 is provided through the accommodating cavity 231 and the second damping block 25.

When the inner tub rotates to cause the outer tub to vibrate during the washing or dehydrating stage of the pulsator washing machine, the tub drives the lower shaft seat 22 and the upper spring seat 23 to compress the first spring 26 along the straight shaft section 11 of the shaft 1 and reciprocate along the straight shaft section 11 of the shaft 1, the first spring 26 applies an elastic force to the upper spring seat 23 in a direction toward the top end of the shaft 1 to buffer the vibration of the tub, thereby damping and suppressing the vibration of the outer tub. Meanwhile, when the cylinder drives the lower rod seat 22 and the upper spring seat 23 to compress the first spring 26 along the straight rod section 11 of the rod body 1 and reciprocate along the straight rod section 11 of the rod body 1, the second damping block 25 presses the rod body 1, and sliding friction force exists between the second damping block 25 and the rod body 1, so that vibration of the lower rod seat 22 and the upper spring seat 23 is slowed down and inhibited, and vibration of the cylinder is slowed down and inhibited.

In some embodiments, the inner wall of the first annular wall 222 adjacent to the sprung base 23 is provided with a flared surface 2211, the flared surface 2211 extending from the inner wall of the first annular wall 222 to the outside of the first annular wall 222. It may be provided that the first annular wall 222 is an annular wall, and the flared surface 2211 is disposed obliquely to the axial direction of the first annular wall 222 so as to form a flare on the inner side of the first annular wall 222.

When the second damping block 25 is assembled to the inside of the first annular wall 222, the inner diameter of the end, close to the sprung base 23, of the first annular wall 222 is larger than the inner diameter of the end, far away from the sprung base 23, of the first annular wall 222 by the aid of the arrangement of the flared surface 2211, the second damping block 25 can be more conveniently assembled to the inside of the first annular wall 222 from the larger inner diameter end of the first annular wall 222, and the flared surface 2211 plays a role in guiding and assembling in the assembling process of the second damping block 25.

Meanwhile, the second damping block 25 is tightly pressed and connected with the rod body 1, and the second damping block 25 can be made of flexible materials. The shape of the second damping block 25 is adapted to the inner wall of the first annular wall 222, and the radial length of the second damping block 25 can be greater than that of the inner wall of the second annular wall, so that the effect that the second damping block 25 compresses the rod body 1 is better. Thus, where the radial length of the second damping mass 25 may be greater than the radial length of the inner wall of the second annular wall, the provision of the flared surface 2211 may be more convenient to mount the second damping mass 25 inside the first annular wall 222 from the end of the first annular wall 222 having the larger inner diameter.

The side that the second damping piece 25 contacted with the inboard of first rampart 222 is provided with a plurality of protruding muscle 324, and a plurality of protruding muscle 324 protrusion are in the side setting of second damping piece 25, and protruding muscle 324 contacts with the inner wall of first rampart 222 can improve the compaction effect of second damping piece 25 and first rampart 222, and then improves the compaction effect of second damping piece 25 and body of rod 1. The length direction of the plurality of protruding ribs 324 is in the same direction as the direction in which the second damping block 25 is mounted in the first annular wall 222, so that a guiding effect can be provided for mounting the second damping block 25 in the first annular wall 222, and the second damping block 25 is mounted in the first annular wall 222.

The first annular wall 222 is inserted into the accommodation chamber 231 of the sprung base 23, and the first annular wall 222 abuts against the inner wall of the sprung base 23. The inner wall of the upper spring seat 23 abuts against the first annular wall 222 to limit the deformation of the first annular wall 222, and the second damping block 25 is further limited in the first annular wall 222, so that the first damping block 323 is tightly pressed on the outer side of the rod body 1, and sliding friction force for inhibiting the upper spring seat 23 from moving downwards after sliding movement between the first damping block 323 and the rod body 1 is ensured.

In some embodiments, the lower rod seat 22 is provided with an extension 221 protruding away from the upper spring seat 23, and the extension 221 extends along the length direction of the rod 1.

In this embodiment, a second spring 31 is disposed between the damping member 32 and the lower spring seat 24, the bottom end of the second spring 31 is connected to the lower spring seat 24, the top end of the second spring 31 abuts against the damping member 32, and the second spring 31 is sleeved outside the rod body 1 disposed between the damping member 32 and the lower spring seat 24.

The cylinder is in a vibrating state, and the upper spring seat 23 moves towards the bottom end of the rod body 1 to sequentially compress the first spring 26 and the second spring 31. When the upper spring seat 23 compresses the first spring 26 to move so that the upper spring seat 23 abuts against the damping member 32, the upper spring seat 23 continues to slide to press the damping member 32 to slide downward, and the second spring 31 is compressed. When the second spring 31 is compressed, on the one hand, the second spring 31 applies a force to the damper 32 in a direction toward the tip of the rod body 1, thereby slowing down the downward movement of the damper 32 and the sprung base 23. On the other hand, the damper 32 generates sliding friction with the rod body 1, and the damper 32 receives a damping force applied thereto by the rod body 1 in a direction toward the tip end of the rod body 1, thereby slowing down the downward movement of the damper 32 and the sprung base 23.

Specifically, the damper 32 includes: a first connection base 321, a second connection base 322, and a first damping block 323.

The first connecting seat 321 and the second connecting seat 322 are sleeved on the outer side of the rod body 1, and the first connecting seat 321 is arranged close to the top end of the straight rod section 11 relative to the second connecting seat 322. The second connecting base 322 is connected with the second connecting base 322. The second connecting seat 322 is recessed in a direction away from the first connecting seat 321 to form a recess 3222, the inner wall of the recess 3222 forms a cavity, and the cavity is arranged between the first connecting seat 321 and the second connecting seat 322.

The first damping block 323 is disposed in the cavity, and at least a portion of a side wall of the recess 3222 on the second connecting seat 322 compresses the first damping block 323 to define that the first damping block 323 compresses the rod body 1, so that the first damping block 323 is in interference fit with the rod body 1, and sliding friction force can be generated when the first damping block 323 slides relative to the rod body 1.

The second connecting seat 322 is provided with a flange 3221 at one side close to the first connecting seat 321. The flange 3221 is connected to the recess 3222, and the flange 3221 is provided to protrude in a radial direction of the rod body 1. The bottom of the second spring 31 is connected to the lower spring seat 24, and the top of the second spring 31 is sleeved on the outer wall of the recess 3222, so that the top of the second spring 31 is fixedly connected with the damping member 32. It may be provided that the top end of the second spring 31 abuts against the flange 3221 so as to limit the second spring 31 between the flange 3221 of the second connector and the spring lower seat 24, and prevent the second spring 31 from freely moving in the length direction of the rod body 1.

The side that first damping piece 323 contacted with the inboard of depressed part 3222 is provided with a plurality of protruding muscle 324, and a plurality of protruding muscle 324 protrusion set up in the side of first damping piece 323, and protruding muscle 324 wants the contact with the inner wall of depressed part 3222 can improve the compaction effect of first damping piece 323 and depressed part 3222, and then improves the compaction effect of first damping piece 323 and body of rod 1. The length direction of the plurality of protruding ribs 324 is arranged in the same direction as the direction in which the first damping block 323 is installed in the recess 3222, so that a guiding effect can be provided for the cavity in which the first damping block 323 is installed in the recess 3222, and the first damping block 323 is installed in the recess 3222.

In this embodiment, the vibration of the drum is proportional to the weight of the laundry, and the weight of the laundry is also large, and the vibration of the drum is also large. When the inner tub rotates to cause the outer tub to vibrate during the washing or dehydrating stage of the pulsator washing machine, the tub drives the lower shaft seat 22 to compress the first spring 26 along the straight shaft section 11 of the shaft 1 and reciprocate along the straight shaft section 11 of the shaft 1, and the first spring 26 buffers the vibration of the tub to thereby slow down and suppress the vibration of the outer tub.

When the vibration of the cylinder is smaller, the compression amount of the first spring 26 is smaller, the downward movement amount of the lower rod seat 22 and the upper spring seat 23 is smaller, at this time, only the first spring 26 is compressed and deformed, the direction of the first spring 26 applied to the upper spring seat 23 is the elastic force towards the top end of the rod body 1 and the sliding friction force generated by the sliding friction between the second damping block 25 and the rod body 1, so that the downward sliding and vibration of the upper spring seat 23 and the cylinder can be slowed down, and the vibration of the upper spring seat 23 and the cylinder can be reduced. At this time, the first spring 26 does not slide to abut against the damper 32, and the second spring 31 is not compressed, i.e., the second spring 31 and the damper 32 exert no force on the cylinder and the sprung base 23 when the vibration of the cylinder is small.

When the vibration of the cylinder is larger, the compression amount of the first spring 26 is larger, the downward movement amount of the lower rod seat 22 and the upper spring seat 23 is larger, at this time, only the first spring 26 is compressed and deformed, the direction of the first spring 26 applied to the upper spring seat 23 is the elasticity towards the top end of the rod body 1 and the sliding friction force generated by the sliding friction of the second damping block 25 and the rod body 1, so that the downward sliding and vibration of the upper spring seat 23 and the cylinder can be relieved. Because the vibration of the cylinder is larger at this time, the upper spring seat 23 slides to contact with the damping member 32 and drives the damping member 32 to slide down the rod body 1, and the second spring 31 is compressed at this time. At this time, the second spring 31 applies an elastic force directed toward the top end of the rod body 1 and a sliding friction force generated by sliding friction between the damping member 32 and the rod body 1 to the damping member 32 and the upper spring seat 23, so as to slow down downward movement and vibration of the upper spring seat 23, the damping member 32 and the cylinder. Thereby prevent that the barrel from vibrating too big and leading to first spring 26, second spring 31 to press and to and prevent to produce the collision sound that the spring pressed and was put together, damping piece 32 and second spring 31's setting makes the jib restrain the damping increase of barrel vibration, can be faster consume the kinetic energy of barrel vibration, reach quick absorbing effect, this embodiment along with what jib of impeller washing machine wait to wash clothing can realize the automatic matching with the spring rate and the damping of barrel vibration looks adaptation, promoted the shock attenuation effect of jib greatly.

In some embodiments, the first spring 26 and the second spring 31 have the same rotational direction. That is, when the first spring 26 is left-handed, the second spring 31 is left-handed, and when the first spring 26 is right-handed, the second spring 31 is right-handed, so that the compression deformation stability of the spring assembly in the compression process is better, and thus, the working stability of the tub of the washing machine is better and the vibration is smaller.

In some embodiments, the boom includes a plurality of springs in addition to the first spring 26 and the second spring 31, wherein at least two of the springs are different in length, the plurality of springs being nested between the sprung base 23 and the unsprung base 24. Each spring is provided with a damping piece 32 matched with the spring, so that the automatic conversion of various stiffness damping can be realized according to the vibration of the cylinder.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A pulsator washing machine, comprising:

the box body is in the height direction from the top end to the bottom end, and the top end of the box body is provided with a taking and placing opening;

the cylinder body is arranged in the box body, the top end of the cylinder body is provided with an opening, and the opening corresponds to the taking and placing opening;

the rod body is arranged between the cylinder body and the box body;

the rod body upper seat is arranged at the top end of the rod body and is connected with the box body;

the spring lower seat is arranged at the bottom end of the rod body;

the sliding piece is sleeved on the rod body in a sliding way and is positioned between the upper seat of the rod body and the lower seat of the spring, and the sliding piece is connected with the cylinder body;

the first spring is sleeved on the outer side of the rod body, is arranged between the sliding piece and the spring lower seat and is used for applying elastic force to the sliding piece in the direction towards the top end of the rod body;

the damping piece is arranged between the sliding piece and the spring lower seat, is tightly sleeved on the outer side of the rod body and is in sliding connection with the rod body;

the second spring is arranged between the damping piece and the spring lower seat and sleeved on the outer side of the rod body;

the sliding piece moves towards the bottom end of the rod body under the vibration state of the cylinder body so as to sequentially compress the first spring and the second spring; and when the second spring is in a compressed state, the damping piece and the rod body are in sliding friction, and the damping piece is applied to the second spring in a damping force direction towards the top end of the rod body by the rod body.

2. The pulsator washing machine as claimed in claim 1, wherein,

the damping member includes:

the first connecting seat is sleeved on the outer side of the rod body;

the second connecting seat is connected with the first connecting seat, the second connecting seat is sunken towards the direction away from the first connecting seat to form a sunken part, and a cavity is formed in the sunken part;

the first damping block is arranged in the cavity, and at least part of the second connecting seat presses the first damping block to limit the first damping block to press the rod body.

3. The pulsator washing machine as claimed in claim 2, wherein,

the second connecting seat is close to one side of the first connecting seat and is provided with a flange, the flange extends towards the radial direction of the rod body, the bottom end of the second spring is connected with the spring lower seat, and the top end of the second spring is abutted to the flange.

4. The pulsator washing machine as claimed in claim 1, wherein,

the slider includes:

the rod body lower seat is sleeved on the rod body, the rod body lower seat is connected with the cylinder body, and the rod body lower seat can drive the cylinder body to move along the length direction of the rod body;

the spring upper seat is sleeved on the rod body and is arranged close to the bottom end of the rod body relative to the lower seat of the rod body, the spring upper seat is connected with the lower seat of the rod body, and the spring upper seat can move along the length direction of the rod body;

the lower body of rod is close to the inner wall of spring seat up to the spring seat up extends there is first rampart, the inside of spring seat up is provided with holds the chamber of holding of at least part first rampart, hold the intracavity and be provided with the second damping piece, the second damping piece compresses tightly the body of rod sets up.

5. The pulsator washing machine as claimed in claim 4, wherein,

the inner wall of the first annular wall, which is close to the upper spring seat, is provided with a flaring surface, and the flaring surface extends from the inner wall of the first annular wall to the outer wall of the first annular wall.

6. The pulsator washing machine as claimed in claim 4, wherein,

the lower rod body seat is provided with an extension part in a protruding mode in a direction away from the upper spring seat, and the extension part extends along the length direction of the rod body.

7. The pulsator washing machine as claimed in claim 4, wherein,

the first annular wall is inserted into the accommodating cavity of the sprung base, and the first annular wall is abutted with the inner wall of the sprung base.

8. The pulsator washing machine as claimed in claim 4, wherein,

the bottom of the first spring is abutted to the spring lower seat, the top of the first spring is abutted to the spring upper seat, and the rotation directions of the first spring and the second spring are the same.

9. The pulsator washing machine as claimed in claim 1, wherein,

the sliding piece is provided with a plurality of sliding pieces, and the sliding piece is provided with a plurality of springs, wherein the lengths of at least two springs are different, and the springs are nested and arranged between the sliding piece and the spring lower seat.

10. The pulsator washing machine as claimed in claim 1, wherein,

the rod body comprises a straight rod section and a connecting section, the straight rod section extends from the top end of the box body to the bottom end in the direction, the connecting sections are respectively arranged at two ends of the extending direction of the straight rod section, the upper seat of the rod body is abutted to the connecting section at the top end of the straight rod section, and the lower seat of the spring is abutted to the connecting section at the bottom end of the straight rod section.