CN220927248U

CN220927248U - Drum washing machine

Info

Publication number: CN220927248U
Application number: CN202322464878.8U
Authority: CN
Inventors: 孙树波
Original assignee: Hisense Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-10
Anticipated expiration: 2033-09-11

Abstract

The utility model relates to a drum washing machine, which belongs to the technical field of washing machines and comprises a box body, a barrel body, a first connecting piece, a first friction piece, a second connecting piece, a first abutting piece, a second abutting piece, a first adjusting piece and a second adjusting piece, wherein the second connecting piece is inserted into the first connecting piece, and the outer wall of the second connecting piece is abutted against the first friction piece and the second friction piece respectively; the second abutting piece is arranged between the second friction piece and the first connecting piece; the first abutting piece is arranged between the first friction piece and the first connecting piece, the first adjusting piece is used for pushing the first abutting piece to abut against the first friction piece, and the second adjusting piece is used for pushing the second abutting piece to abut against the second friction piece; the first abutting piece and the second abutting piece are close to or far away from each other, so that friction force between the first friction piece and the second friction piece and friction force between the second friction piece and the second connecting piece are changed, and further increase or decrease of damping force is achieved.

Description

Drum washing machine

Technical Field

The application relates to the technical field of washing machines, in particular to a drum washing machine.

Background

The prior drum washing machine comprises an inner drum for accommodating clothes and rotating for washing, and an outer drum for accommodating the inner drum and fixed with the box body of the washing machine, wherein the outer drum is positioned between the inner drum and the box body, and the drum washing machine repeatedly moves through the huge centrifugal force generated when the inner drum rotates, and the clothes are washed cleanly under the combined action of the washing liquid and water.

The drum washing machine may vibrate in an inner drum rotated during washing, the vibration generated when the inner drum rotates may be transferred to the entire washing machine through the outer drum, causing the vibration of the washing machine to generate noise and displacement, and the damper is installed in the drum washing machine to reduce the vibration and noise.

At present, a common shock absorber of a drum washing machine is a friction type shock absorber, the design value of friction damping is fixed and not adjustable, when the shock absorber is used for a period of time, the damping force of the shock absorber can be attenuated and cannot reach the design value, a series of problems such as vibration noise and the like can be generated, the shock absorber cannot be commonly used on products with different capacities or different series, and different shock absorbers are required to be designed for the products with different capacities or different series, so that the design cost and the production cost are increased.

Disclosure of utility model

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

Therefore, the application aims to provide a drum washing machine, wherein a first abutting piece is arranged between a first friction piece and a first connecting piece, a second abutting piece is arranged between a second friction piece and the first connecting piece, a first adjusting piece is used for pushing the first abutting piece to abut against the first friction piece, and a second adjusting piece is used for pushing the second abutting piece to abut against the second friction piece; the first abutting piece and the second abutting piece are close to or far away from each other, so that friction force between the first friction piece and the second friction piece and friction force between the second friction piece and the second connecting piece are changed, and further increase or decrease of damping force is achieved.

In order to achieve the above object, the present utility model provides a drum washing machine comprising:

A case;

the cylinder body is arranged in the box body;

The first connecting piece is hollow, and an opening communicated with the inside of the first connecting piece is formed in one end of the first connecting piece;

The first friction piece and the second friction piece are respectively arranged in the first connecting piece;

The second connecting piece is inserted into the first connecting piece, and the outer wall of the second connecting piece is respectively abutted against the first friction piece and the second friction piece;

The first abutting piece is arranged between the first friction piece and the first connecting piece, and the second abutting piece is arranged between the second friction piece and the first connecting piece;

The first connecting piece and the second connecting piece are respectively connected with the cylinder body and the box body;

the first adjusting piece is used for pushing the first abutting piece to abut against the first friction piece, and the second adjusting piece is used for pushing the second abutting piece to abut against the second friction piece;

the first adjusting piece and the second adjusting piece respectively push the first abutting piece and the second abutting piece, so that the first abutting piece and the second abutting piece are close to or far away from each other, and friction force between the first friction piece and the second connecting piece is changed.

In the technical scheme, a first abutting piece is arranged between a first friction piece and a first connecting piece, a second abutting piece is arranged between a second friction piece and the first connecting piece, a first adjusting piece is used for pushing the first abutting piece to abut against the first friction piece, and a second adjusting piece is used for pushing the second abutting piece to abut against the second friction piece; the first abutting piece and the second abutting piece are close to or far away from each other, so that friction force between the first friction piece and the second friction piece and friction force between the second friction piece and the second connecting piece are changed, and further increase or decrease of damping force between the first connecting piece and the second connecting piece is achieved.

In some embodiments of the present application, an installation cavity is formed in an inner peripheral wall of the first connecting member near one end of the opening, the installation cavity penetrates through one side of the opening, and the first friction member and the second friction member are respectively disposed in the installation cavity.

In some embodiments of the present application, a first accommodating cavity is formed on a side of the first abutting part facing the second connecting part, the first friction part is disposed in the first accommodating cavity, a second accommodating cavity is formed on a side of the second abutting part facing the second connecting part, and the second friction part is disposed in the second accommodating cavity.

In some embodiments of the present application, an end cover is disposed at one end of the installation cavity near the opening, an insertion port is disposed on the end cover, and the second connector passes through and slides on the insertion port.

In some embodiments of the application, a buckle is provided on the outer peripheral wall of the end cover, a clamping groove is provided on the outer wall of one end of the first connecting piece, which is close to the opening, and the buckle is used for being clamped in the clamping groove.

In some embodiments of the present application, the first adjusting member is a first stud, and a first nut is screwed to an end of the first stud, which is far away from the first abutting member, and the first nut is fixed on an outer wall of the first connecting member;

The second adjusting piece is a second stud, one end of the second stud, which is far away from the second abutting piece, is in threaded connection with a second nut, and the second nut is fixed on the outer wall of the first connecting piece.

In some embodiments of the present application, the first adjusting member is a first stud, the second adjusting member is a second stud, a first threaded hole and a second threaded hole are formed in the first connecting member, the first stud is in threaded connection with the first threaded hole, and the second stud is in threaded connection with the second threaded hole.

In some embodiments of the application, the thickness of the first friction member is greater than the thickness of the first abutment member, and the thickness of the second friction member is greater than the thickness of the second abutment member.

The present utility model also provides a drum washing machine, comprising:

A case;

the cylinder body is arranged in the box body;

The first damping piece and the second damping piece are respectively arranged in the first connecting piece;

the second connecting piece is inserted into the first connecting piece, and the outer wall of the second connecting piece is respectively abutted against the first damping piece and the second damping piece;

The first adjusting piece is used for pushing the first damping piece to be abutted against the second connecting piece, and the second adjusting piece is used for pushing the second damping piece to be abutted against the second connecting piece;

The first adjusting piece and the second adjusting piece respectively push the first damping piece and the second damping piece, so that the first damping piece and the second damping piece are close to or far away from each other, and friction force between the first damping piece and the second connecting piece is changed.

In the technical scheme, the first damping piece and the second damping piece are respectively arranged in the first connecting piece, and the first adjusting piece and the second adjusting piece respectively push the first damping piece and the second damping piece to enable the first damping piece and the second damping piece to be close to or far away from each other so as to change the friction force between the first damping piece and the second connecting piece respectively, and further realize the increase or decrease of the damping force between the first connecting piece and the second connecting piece.

In some embodiments of the present application, the first damping member includes a first abutting member and a first friction member, the first abutting member is disposed between the first friction member and the first connection member, the second damping member includes a second abutting member and a second friction member, and the second abutting member is disposed between the second friction member and the first connection member.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic view of an overall structure of a drum washing machine according to an embodiment of the present application;

fig. 2 is a structural view illustrating assembly of a first coupling member and a second coupling member of a drum washing machine according to an embodiment of the present application;

Fig. 3 is an exploded view illustrating the structures of the first and second coupling members of the drum washing machine according to the embodiment of the present application;

Fig. 4 is a front view illustrating the construction of first and second coupling members of a drum washing machine according to an embodiment of the present application;

FIG. 5 is a sectional view of the drum washing machine in the direction A-A of FIG. 4 according to an embodiment of the present application;

Fig. 6 is a B-B directional sectional view of the drum washing machine in accordance with an embodiment of the present application;

Fig. 7 is an enlarged view of C in fig. 5 of the drum washing machine according to an embodiment of the present application;

fig. 8 is a schematic view illustrating a structure of a first coupling member of a drum washing machine according to an embodiment of the present application;

Fig. 9 is a structural view of a first connection member and an end cover assembly of a drum washing machine according to an embodiment of the present application;

Fig. 10 is a front view illustrating a structure in which a first coupling member and an end cover of a drum washing machine according to an embodiment of the present application are assembled;

Fig. 11 is a sectional view of the drum washing machine in the direction D-D of fig. 10 according to an embodiment of the present application;

fig. 12 is a schematic view of an end cover structure of a drum washing machine according to an embodiment of the present application;

Fig. 13 is a schematic view illustrating the structures of a first abutment and a second abutment of a drum washing machine according to an embodiment of the present application;

fig. 14 is a top view illustrating structures of first and second abutments of a drum washing machine according to an embodiment of the present application;

fig. 15 is a structural view illustrating assembly of a first friction member, a second friction member, and a second coupling member of a drum washing machine according to an embodiment of the present application;

Fig. 16 is an assembly structure view of first and second connection members of a drum washing machine according to an embodiment of the present application;

Fig. 17 is a sectional view of the drum washing machine in the direction E-E of fig. 16 according to an embodiment of the present application;

fig. 18 is a structural view of an assembly of first and second friction members, first and second abutting members of a drum washing machine according to an embodiment of the present application;

fig. 19 is a structural plan view of an assembly of first and second friction members, first and second abutting members of a drum washing machine according to an embodiment of the present application;

Fig. 20 is a structural view of first and second friction members of a drum washing machine according to an embodiment of the present application.

In the above figures: 100. a case; 200. a cylinder; 300. a first connector; 301. a mounting cavity; 302. a clamping groove; 400. a first friction member; 500. a second friction member; 600. A second connector; 700. a first abutment; 701. a first accommodation chamber; 800. a second abutment; 801. a second accommodation chamber; 900. a first adjustment member; 110. a second adjustment member; 120. an end cap; 121. an interface; 122. and (5) a buckle.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication with each other, for example; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

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.

The drum washing machine comprises a box body, a drum body, a door body and a driving piece, clothes are placed in the drum body, water is injected into the drum body after the door body is closed, the drum body is driven to rotate by the driving piece, and the clothes are cleaned by utilizing the inertia of the water.

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

As shown in fig. 1 to 7, in an exemplary embodiment of the drum washing machine of the present utility model, the drum washing machine includes a cabinet 100, a drum 200, a first connection member 300, a first friction member 400, a second friction member 500, a second connection member 600, a first abutment member 700, a second abutment member 800, a first adjustment member 900, a second adjustment member 110, the drum 200 being disposed in the cabinet 100; the first connecting piece 300 is hollow, and one end of the first connecting piece 300 is provided with an opening communicated with the first connecting interior; the first friction member 400 and the second friction member 500 are respectively disposed in the first coupling member 300.

The second connecting piece 600 is inserted into the first connecting piece 300, and the outer wall of the second connecting piece 600 is respectively abutted against the first friction piece 400 and the second friction piece 500; the first abutting piece 700 is arranged between the first friction piece 400 and the first connecting piece 300, and the second abutting piece 800 is arranged between the second friction piece 500 and the first connecting piece 300; the first and second connectors 300 and 600 are connected to the cylinder 200 and the case 100, respectively.

The first adjuster 900 is configured to push the first abutment 700 against the first friction member 400, and the second adjuster 110 is configured to push the second abutment 800 against the second friction member 500; the first and second adjustment members 900 and 110 push the first and second abutment members 700 and 800, respectively, such that the first and second abutment members 700 and 800 approach or depart from each other to change friction forces between the first and second friction members 400 and 500 and the second connection member 600, respectively.

Through the above technical solution, the first abutting piece 700 is disposed between the first friction piece 400 and the first connecting piece 300, the second abutting piece 800 is disposed between the second friction piece 500 and the first connecting piece 300, the first adjusting piece 900 is used for pushing the first abutting piece 700 to abut against the first friction piece 400, and the second adjusting piece 110 is used for pushing the second abutting piece 800 to abut against the second friction piece 500; the first and second abutting pieces 700 and 800 are moved toward or away from each other to change friction forces between the first and second friction pieces 400 and 500 and the second connecting piece 600, respectively, thereby achieving an increase or decrease in damping force between the first and second connecting pieces.

When the drum washing machine needs to increase the damping force to reduce vibration, the first and second adjusting members 900 and 110 are manually adjusted, the pushing force of the first adjusting member 900 to the first abutting member 700 increases, the first abutting member 700 presses the first friction member 400, the pushing force of the second adjusting member 110 to the second abutting member 800 increases, the second abutting member 800 presses the second friction member 500, the first and second friction members 400 and 500 move toward each other, that is, the first and second friction members 400 and 500 are synchronously moved toward each other, friction forces between the first and second friction members 400 and 500 and the second connecting member 600 increase, respectively, thereby achieving an increase in damping force between the drum 200 and the cabinet 100. Greatly reduces vibration and noise of the drum washing machine during normal operation, reduces noise pollution to surrounding environment, and improves use comfort of users.

When the drum washing machine needs to reduce the damping force, the first and second adjusting members 900 and 110 are manually adjusted, the first adjusting member 900 is away from the first abutting member 700, the first abutting member 700 presses the first friction member 400 to be reduced, the second adjusting member 110 is away from the second abutting member 800, the second abutting member 800 presses the second friction member 500 to be reduced, the first and second friction members 400 and 500 move in opposite directions, i.e., the first and second friction members 400 and 500 are synchronously away from each other, and the friction force between the first and second friction members 400 and 500 and the second connecting member 600 is reduced, respectively, thereby reducing the damping force between the drum 200 and the cabinet 100.

In some embodiments, the first connector 300, the first friction member 400, the second friction member 500, the second connector 600, the first abutment member 700, the second abutment member 800, the first adjustment member 900, and the second adjustment member 110 constitute a vibration damping device, and the vibration damping device is disposed between the tub 200 and the cabinet 100, and is used to damp the tub 200 of the drum washing machine.

As shown in fig. 8 to 12, in some embodiments, the inner peripheral wall of the first connecting member 300 near the open end is provided with a mounting cavity 301, and the mounting cavity 301 penetrates through one side of the opening, and the first friction member 400 and the second friction member 500 are respectively disposed in the mounting cavity 301. The mounting cavity 301 communicates with the interior of the first coupling member 300 to facilitate the mounting and dismounting of the first and second friction members 400 and 500.

In some embodiments, the first friction member 400 includes, but is not limited to, being made of high density polyurethane or rubber, and has good elasticity and excellent resilience, effectively enhancing vibration damping effect.

In some embodiments, the second friction member 500 includes, but is not limited to, being made of high density polyurethane or rubber, and has good elasticity and excellent resilience, effectively enhancing vibration damping effect.

In some embodiments, the first connector 300 is a cylindrical tube, and the second connector 600 is a cylindrical tube, so that the second connector 600 is convenient to be plugged into the first connector 300, and convenient to operate.

In some embodiments, the mounting cavity 301 is an annular groove, the first friction member 400 is arc-shaped, the second friction member 500 is arc-shaped, and the first friction member 400 and the second friction member 500 are disposed in the annular groove, so that the mounting is simple.

As shown in fig. 13 to 15, in some embodiments, a first accommodating cavity 701 is formed on a side of the first abutting member 700 facing the second connecting member 600, the first friction member 400 is disposed in the first accommodating cavity 701, a second accommodating cavity 801 is formed on a side of the second abutting member 800 facing the second connecting member 600, and the second friction member 500 is disposed in the second accommodating cavity 501. The dislocation movement of the first friction member 400 and the second friction member 500 is prevented, namely, the first abutting member 700 abuts against the first friction member 400 only, the second abutting member 800 abuts against the second friction member 500 only, and the use stability of the first friction member 400 and the second friction member 500 is improved.

In some embodiments, the first abutment 700 and the second abutment 800 are made of a material with higher strength and hardness, when the first abutment 700 is pushed by the first adjuster 900, the first abutment 700 can uniformly transmit the extrusion force to the first friction member 400, and when the second abutment 800 is pushed by the second adjuster 110, the second abutment 800 can uniformly transmit the extrusion force to the second friction member 500; ensuring that the first friction member 400 and the second friction member 500 move closer to or farther away from each other in synchronization, the movement is smoother.

In some embodiments, first limiting portions are provided on both sides of the second abutment 800 of the first abutment 700 and the second abutment Xiang Kaojin, the first limiting portions being configured to limit the circumferential movement of the first friction member 400, and second limiting portions are provided on both sides of the second abutment 800, which are circumferentially adjacent to the first abutment 700, and the second limiting portions being configured to limit the circumferential movement of the second friction member 500.

As shown in fig. 10 to 17, in some embodiments, an end cap 120 is disposed at an end of the mounting cavity 301 near the opening, and an insertion port 121 is formed on the end cap 120, and the second connector 600 passes through and slides on the insertion port 121. The second connector 600 is inserted into the first connector 700 after passing through the insertion port 121.

In some embodiments, the outer peripheral wall of the side of the end cover 120 facing the installation cavity 301 is provided with an outer edge extending towards the installation cavity 301, so that the tightness of the installation cavity 301 can be effectively ensured.

In some embodiments, the outer peripheral wall of the end cover 120 is provided with a buckle 122, and the outer wall of the end of the first connecting piece 300, which is close to the opening, is provided with a clamping groove 302, and the buckle 122 is used for being clamped in the clamping groove 302.

In some embodiments, the outer peripheral wall of the end cap 120 is provided with a clamping groove 302, and the outer wall of the end, close to the opening, of the first connecting piece 300 is provided with a buckle 122, and the buckle 122 is used for being clamped in the clamping groove 302.

As shown in fig. 16 to 17, in some embodiments, the first adjusting member 900 is a first stud, and an end of the first stud, which is far away from the first abutment member 700, is connected with a first nut in a threaded manner, and the first nut is fixed to the outer wall of the first connecting member 300; the second adjusting member 110 is a second stud, and a second nut is screwed to an end of the second stud, which is far away from the second abutting member 800, and the second nut is fixed to the outer wall of the first connecting member 300. Rotating the first and second studs may cause the first and second studs to move toward or away from each other, thereby causing the first stud to move away from or toward the first abutment 700 and the second stud to move away from or toward the second abutment 800.

In some embodiments, the first connector 300 is provided with a first mounting hole for the first stud to pass through and a second mounting hole for the second stud to pass through.

In some embodiments, the first mounting hole is a through hole, the second mounting hole is a through hole, the mounting of the first stud and the second stud is facilitated, the first stud and the second stud can be rotated only by connecting the first stud to the first nut in a threaded manner, and connecting the second stud to the second nut in a threaded manner, so that the first stud and the second stud can move in opposite directions or in opposite directions.

In some embodiments, the first connector 300 is provided with a first threaded hole and a second threaded hole, the first stud is in threaded connection with the first threaded hole, and the second stud is in threaded connection with the second threaded hole. The scheme does not need to be provided with a nut, saves cost, is simple to install, only needs to rotate the first stud and the second stud, the first stud moves in the first threaded hole, the second stud moves in the second threaded hole, and then the first stud is far away from or close to the first abutting piece 700, and the second stud is far away from or close to the second abutting piece 800.

As shown in fig. 18-20, in some embodiments, the thickness of the first friction member 400 is greater than the thickness of the first abutment member 700, and the thickness of the second friction member 500 is greater than the thickness of the second abutment member 800. So that the inner circumferential wall of the first friction member 400 is completely in contact with the outer circumferential wall of the second coupling member 600 and the inner circumferential wall of the second friction member 500 is completely in contact with the outer circumferential wall of the second coupling member 600, the friction effect between the first friction member 400 and the second friction member 500, respectively, and the second coupling member 600 is ensured.

In some embodiments, the first connector 300 is connected to the cartridge 200, and the second connector 600 is connected to the case 100; so that the vibration kinetic energy of the cylinder 200 is transferred to the first connecting piece 300, and a mounting hole is formed at one end of the first connecting piece 300, which is close to the cylinder 200, and is used for mounting the first connecting piece 300 and the cylinder 200; the second connecting member 600 has a fixing hole formed at one end thereof adjacent to the case 100, and the second connecting member 600 is connected to the case 100 by a fastener.

In some embodiments, the first connector 300 is connected to the case 100, and the second connector 600 is connected to the cartridge 200; so that the vibration kinetic energy of the cylinder 200 is transferred to the second connector 600, and a mounting hole is formed at one end of the first connector 300, which is close to the case 100, for mounting the first connector 300 and the case 100; the second connector 600 has a fixing hole formed at one end thereof adjacent to the cylinder 200, and the second connector 600 is connected to the cylinder 200 by a fastener.

In some embodiments, the barrel 200 includes an inner barrel and an outer barrel, the inner barrel is used for loading cleaning objects, the outer barrel is sleeved outside the inner barrel, the motion states of the inner barrel and the outer barrel are mutually influenced through a driving device, and the inner barrel vibrates to drive the outer barrel to vibrate, so that when the outer barrel is damped, the operation state of the inner barrel also tends to be stable.

In some embodiments, two first connectors 300 are connected to the outer wall of the barrel 200, and the two first connectors 300 are symmetrically disposed about the longitudinal axis of the barrel 200, so that the overall stress of the barrel 200 is uniform, and the barrel 200 is prevented from being offset toward one side. Because the interval between the first friction piece 400 and the second friction piece 500 can be adjusted, the friction force between the first friction piece 400 and the second friction piece 500 and the second connecting piece 600 can be adjusted, so that the washing machine can be used for washing machines of different models, the running stability of the washing machine during high-speed rotation of the inner cylinder can be met, and the vibration resistance of the whole machine is improved.

In some embodiments, the first connector 300 is hinged to the cylinder 200, and the second connector 600 is hinged to the case 100, so that the first connector 300 can rotate relative to the cylinder 200, and the second connector 600 can rotate relative to the case 100, so that the first connector 300 and the second connector 600 can absorb the vibration of the cylinder 200, and the connection failure of the cylinder 200 and the first connector 300 in the severe shaking process is avoided.

In some embodiments, the first connector 300 and the second connector 600 are mounted in a vertical or near vertical orientation. I.e., the vibration damping device is installed between the cylinder 200 and the case 100 in a vertical direction or a nearly vertical direction.

In some embodiments, the included angle between the central axis of the first connector 300 and the vertical direction may be an acute angle, and when the included angle is closer to zero, the vibration damping effect of the first connector 300 on the vibration of the outer cylinder in the up-down direction is stronger.

In some embodiments, the shape of the first connector 300 includes, but is not limited to, other shapes that may be cylindrical, rectangular, or oval, etc. for ease of installation.

In some embodiments, the shape of the second connector 600 includes, but is not limited to, other shapes that may be cylindrical, rectangular, or oval, etc. for ease of installation.

In some embodiments, the second connector 600 is at least partially inserted into the first connector 300, and the first friction member 400 and the second friction member 500 are respectively disposed between the first connector 300 and the second connector 600, and friction force is generated between the first friction member 400 and the second friction member 500 and the second connector 600, respectively.

In some embodiments, the first connector 300 and the second connector 600 are coaxially disposed to dampen vibration of the outer tub.

In some embodiments, the first friction member 400 and the second friction member 500 have the same structural shape, and the first abutment member 700 and the second abutment member 800 have the same structural shape, which is convenient for mass production.

In some embodiments, the first friction member 400 and the second friction member 500 are spaced along the outer wall of the second coupling member 600 to ensure that a gap is provided between the first friction member 400 and the second friction member 500 to facilitate the mutual approach.

In some embodiments, the second connecting member 600 may be made of cast iron, aluminum alloy or steel, or other materials, and the second connecting member 600 is made of materials that ensure high strength and hardness, and is easy to process and manufacture.

In one exemplary embodiment of the drum washing machine of the present utility model, the drum washing machine includes a cabinet 100, a drum 200, a first connection member 300, a first damping member, a second connection member 600, a first adjustment member 900, and a second adjustment member 110; the cylinder 200 is disposed in the case 100; the first connecting piece 300 is hollow, and one end of the first connecting piece 300 is provided with an opening communicated with the first connecting interior; the first damping member and the second damping member are respectively disposed in the first connecting member 300; the second connecting piece 600 is inserted into the first connecting piece 300, and the outer wall of the second connecting piece 600 is respectively abutted against the first damping piece and the second damping piece.

The first and second connectors 300 and 600 are connected to the cylinder 200 and the case 100, respectively; the first adjusting member 900 is configured to push the first damping member to abut against the second connecting member 600, and the second adjusting member 110 is configured to push the second damping member to abut against the second connecting member 600; the first and second adjusting members 900 and 110 push the first and second damping members, respectively, so that the first and second damping members approach or depart from each other to change friction forces between the first and second damping members and the second connecting member 600, respectively.

Through the above technical solution, the first damping member and the second damping member are respectively disposed in the first connecting member 300, and the first adjusting member 900 and the second adjusting member 110 are respectively away from or near the first damping member and the second damping member, so that the first damping member and the second damping member are close to or far away from each other, so as to change the friction force between the first damping member and the second connecting member 600, thereby increasing or decreasing the damping force.

When the drum washing machine needs to increase the damping force to reduce vibration, the first and second adjusting members 900 and 110 are manually adjusted, the driving force of the first adjusting member 900 to the first damping member increases, the first damping member presses the second connecting member 600, the driving force of the second adjusting member 110 to the second damping member increases, the second damping member presses the second connecting member 600, the first and second damping members move toward each other, that is, the first and second damping members are synchronously moved close to each other, and the friction force between the first and second damping members and the second connecting member 600 increases, respectively, thereby increasing the damping force between the drum 200 and the cabinet 100. Greatly reduces vibration and noise of the drum washing machine during normal operation, reduces noise pollution to surrounding environment, and improves use comfort of users.

When the drum washing machine needs to reduce the damping force, the first and second adjusting members 900 and 110 are manually adjusted, the first adjusting member 900 is away from the first damping member, the second adjusting member 110 is away from the second damping member, and the first and second damping members move in opposite directions, i.e., the first and second damping members are synchronously away from each other, and the friction force between the first and second damping members and the second connecting member 600 is reduced, respectively, thereby reducing the damping force between the drum 200 and the cabinet 100.

In some embodiments, the first adjusting member 900 is a first stud, the second adjusting member 110 is a second stud, the first connecting member 300 is provided with a first threaded hole and a second threaded hole, the first stud is in threaded connection with the first threaded hole, and the second stud is in threaded connection with the second threaded hole.

In some embodiments, an end of the first stud remote from the first abutment 700 is threaded with a first nut, the first nut being fixed to an outer wall of the first connector 300; the end of the second stud remote from the second abutment 800 is threaded with a second nut fixed to the outer wall of the first coupling 300. The first stud and the second stud are rotated, so that the first stud and the second stud move oppositely or reversely, the first stud is further away from or close to the first damping piece, and the second stud is further away from or close to the second damping piece.

In some embodiments, the first damping member includes a first abutment member 700, a first friction member 400, the first abutment member 700 being disposed between the first friction member 400 and the first coupling member 300; the second damping member includes a second abutting member 800 and a second friction member 500, and the second abutting member 800 is disposed between the second friction member 500 and the first connecting member 300.

In some embodiments, the first friction member 400 and the second friction member 500 are each made of a material having good elasticity, including but not limited to high density polyurethane or rubber, with excellent resilience and vibration damping effect.

In some embodiments, the first connector 300, the first damper, the second connector 600, the first adjuster 900, and the second adjuster 110 form a damper, and the damper is disposed between the cylinder 200 and the case 100, and is used for absorbing and relieving vibration of the drum washing machine during washing and noise generated during operation, so that impact force of the drum washing machine on the ground during high-speed operation can be reduced, noise generated during operation can be reduced, and operation efficiency and service life of the drum washing machine can be improved.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A drum washing machine, characterized in that it comprises:

A case;

the cylinder body is arranged in the box body;

The first abutting piece and the second abutting piece are close to or far away from each other by adjusting the first adjusting piece and the second adjusting piece, so that friction force between the first friction piece and the second friction piece and friction force between the second friction piece and the second connecting piece are changed, and damping between the first connecting piece and the second connecting piece is changed.

2. The drum washing machine as claimed in claim 1, wherein the first connection member has a mounting cavity formed in an inner circumferential wall of the first connection member near one end of the opening, the mounting cavity penetrating through one side of the opening, and the first and second friction members are respectively disposed in the mounting cavity.

3. The drum washing machine of claim 1, wherein a first receiving chamber is provided at a side of the first abutting member facing the second connecting member, the first friction member is provided in the first receiving chamber, a second receiving chamber is provided at a side of the second abutting member facing the second connecting member, and the second friction member is provided in the second receiving chamber.

4. The drum type washing machine as claimed in claim 2, wherein an end cap is provided at one end of the installation cavity adjacent to the opening, an insertion port is provided at the end cap, and the second connector passes through and slides on the insertion port.

5. The drum type washing machine as claimed in claim 4, wherein a buckle is provided on the outer circumferential wall of the end cover, a clamping groove is provided on an outer wall of the first connecting member near the opening, and the buckle is used for being clamped in the clamping groove.

6. The drum washing machine as claimed in any one of claims 1 to 5, wherein the first adjusting member is a first stud, a first nut is screwed to an end of the first stud, which is far away from the first abutting member, and the first nut is fixed to an outer wall of the first connecting member;

7. The drum washing machine as claimed in any one of claims 1 to 5, wherein the first adjusting member is a first stud, the second adjusting member is a second stud, a first threaded hole and a second threaded hole are formed in the first connecting member, the first stud is in threaded connection with the first threaded hole, and the second stud is in threaded connection with the second threaded hole.

8. The drum washing machine as claimed in any one of claims 1 to 5, wherein the thickness of the first friction member is greater than the thickness of the first abutment member, and the thickness of the second friction member is greater than the thickness of the second abutment member.

9. A drum washing machine, characterized in that it comprises:

A case;

the cylinder body is arranged in the box body;

The first adjusting piece and the second adjusting piece are adjusted, so that the first damping piece and the second damping piece are close to or far away from each other, friction force between the first damping piece and the second damping piece and friction force between the second damping piece and the second connecting piece are changed, and damping between the first connecting piece and the second connecting piece is changed.

10. The drum washing machine as claimed in claim 9, wherein the first damping member includes a first abutting member, a first friction member, the first abutting member is disposed between the first friction member and the first connection member, the second damping member includes a second abutting member, a second friction member, and the second abutting member is disposed between the second friction member and the first connection member.