CN218372853U

CN218372853U - Vibration reduction mechanism and washing machine

Info

Publication number: CN218372853U
Application number: CN202221859205.1U
Authority: CN
Inventors: 马乾; 许梁; 朱站伟
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-01-24
Anticipated expiration: 2032-07-19

Abstract

The utility model belongs to the technical field of clothing treatment facility, a damping mechanism and washing machine is disclosed, including the damping subassembly, the both ends of damping subassembly ball pivot respectively in first installation department and the second installation department that the interval set up, the damping subassembly includes a set of or articulated multiunit expansion bracket in proper order, and the expansion bracket includes alternately articulated first connecting rod and second connecting rod. When the second installation part vibrates, the two ends of the vibration reduction assembly rotate relative to the first installation part and the second installation part respectively in an adaptive mode, and meanwhile the expansion bracket of the vibration reduction assembly stretches or contracts in an adaptive mode. The first connecting rod and the second connecting rod of expansion bracket occupy less space when contracting to extreme position, when damping mechanism was applied to between the urceolus and the box of washing machine, can satisfy different models washing machine and use according to the number that the expansion bracket was arranged to the space adaptability between urceolus and the box, moreover, the expansion bracket can provide great flexible volume to make this damping mechanism can play sufficient buffering damping effect.

Description

Vibration reduction mechanism and washing machine

Technical Field

The utility model relates to a clothing treatment facility technical field especially relates to a damping mechanism and washing machine.

Background

During the operation of the washing machine, due to the unbalance loading of the clothes and the centrifugal force, different degrees of vibration can be generated, and particularly during the operation of a dehydration program with extremely high rotating speed, the centrifugal force generated by the unbalance loading of the clothes is larger, so that the vibration amplitude of the outer cylinder of the washing machine is larger. Therefore, a vibration damping mechanism is usually disposed between the tub and the cabinet of the washing machine to absorb vibration generated during operation of the tub of the washing machine and prevent excessive transmission of the vibration to the cabinet of the washing machine.

The vibration damping mechanism of the existing washing machine is basically of a hanger rod type structure and specifically comprises a hanger rod and a vibration damping component, wherein the vibration damping component usually comprises a spring. One end of the suspension rod is connected to the box body of the washing machine, and the vibration reduction component is suspended on the suspension seat of the outer cylinder of the washing machine. The suspension rod type damping mechanism occupies a larger space between the outer cylinder and the box body of the washing machine, and cannot be installed and used for the washing machine with a compact structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damping mechanism and washing machine, damping mechanism occupation space is little, can arrange according to the space adaptability between washing machine urceolus and the box, satisfies different model washing machines and uses, and can play sufficient buffering damping effect.

To achieve the purpose, the utility model adopts the following technical proposal:

the first aspect provides a damping mechanism, including damping assembly, damping assembly's both ends are ball pivot respectively in first installation department and the second installation department that the interval set up, damping assembly includes a set of or articulated multiunit expansion bracket in proper order, the expansion bracket includes cross articulated first connecting rod and second connecting rod.

As the utility model provides a damping mechanism's preferred scheme, first connecting rod with press from both sides between the second connecting rod and be equipped with first damping gasket.

As the utility model provides a damping mechanism's preferred scheme, first connecting rod face to one side of second connecting rod and/or the second connecting rod face to one side of first connecting rod is concave to be equipped with first holding tank, first damping gasket set up in the first holding tank.

As the utility model provides a damping mechanism's preferred scheme still includes first mounting, first mounting runs through first connecting rod first damping gasket and the second connecting rod, and with first connecting rod with second connecting rod normal running fit.

As the utility model provides a damping mechanism's preferred scheme, damping subassembly's both ends all are provided with tip looks articulated third connecting rod and fourth connecting rod, the third connecting rod is kept away from the one end of fourth connecting rod articulates in corresponding the first connecting rod of expansion bracket, the fourth connecting rod is kept away from the one end of third connecting rod articulates in corresponding the second connecting rod of expansion bracket.

As the utility model provides a damping mechanism's preferred scheme, the third connecting rod with between the first connecting rod the fourth connecting rod with between the second connecting rod and the third connecting rod with all be provided with second damping gasket between the fourth connecting rod.

As the utility model provides a damping mechanism's preferred scheme, first installation department with all be provided with articulated seat on the second installation department, be provided with spherical groove on the articulated seat, the third connecting rod with the hinged end of fourth connecting rod rotates and is connected with the connecting piece, be provided with the bulb on the connecting piece, the bulb rotate connect in the spherical groove.

As the utility model provides a damping mechanism's preferred scheme, the connecting piece is kept away from the one end interval of bulb is provided with two otic placodes, two be connected with the second mounting between the otic placode, the second mounting runs through the third connecting rod with the fourth connecting rod, and with the third connecting rod with fourth connecting rod normal running fit.

As the utility model provides a damping mechanism's preferred scheme, damping mechanism still includes one or more damping spring, damping spring connect in first installation department with between the second installation department.

In a second aspect, a washing machine is provided, which comprises a box body and an outer drum located in the box body, wherein a gap is formed between the outer drum and the box body, and one or more damping mechanisms are arranged in the gap.

The utility model has the advantages that:

the utility model provides a damping mechanism, including damping subassembly, damping subassembly's both ends ball pivot respectively in first installation department and the second installation department that the interval set up, damping subassembly includes a set of or articulated multiunit expansion bracket in proper order, and the expansion bracket includes alternately articulated first connecting rod and second connecting rod, can realize the extension and the shrink of expansion bracket when first connecting rod and second connecting rod rotate relatively. When the second installation part vibrates, two ends of the vibration reduction assembly respectively rotate relative to the first installation part and the second installation part in an adaptive mode, and meanwhile, the expansion bracket(s) of the vibration reduction assembly extend or contract in an adaptive mode to absorb vibration generated by the second installation part and alleviate impact of the second installation part on the first installation part. The first connecting rod and the second connecting rod of expansion bracket occupy less space when contracting to extreme position, when damping mechanism was applied to between the urceolus and the box of washing machine, can satisfy different models washing machine and use according to the number that the expansion bracket was arranged to the space adaptability between urceolus and the box, moreover, the expansion bracket can provide great flexible volume to make this damping mechanism can play sufficient buffering damping effect.

The utility model also provides a washing machine, including the box with be located the internal urceolus of box, there is the clearance between urceolus and the box, be provided with one or more foretell damping mechanism in the clearance, this damping mechanism occupation space is little, does benefit to the miniaturization that realizes washing machine, and the damping subassembly can provide great flexible volume, plays sufficient buffering damping effect, well absorbs the vibration that the washing machine urceolus produced when the operation, avoids vibrating excessively to transmit to the washing machine box on.

Drawings

Fig. 1 is a first view of a damping mechanism provided in an embodiment of the present invention;

fig. 2 is a second view of a vibration reduction mechanism provided in accordance with an embodiment of the present invention;

fig. 3 is a first exploded view of the telescopic frame according to the embodiment of the present invention;

fig. 4 is a second exploded schematic view of the telescopic frame according to the embodiment of the present invention;

fig. 5 is a first cross-sectional view of a damping mechanism provided by an embodiment of the present invention;

fig. 6 is a second cross-sectional view of a damping mechanism provided in an embodiment of the present invention;

fig. 7 is an exploded view of a third link and a fourth link according to an embodiment of the present invention;

fig. 8 is an exploded view of a hinge base and a connector according to an embodiment of the present invention.

In the figure:

1. a vibration reduction assembly; 2. a hinged seat; 3. a connecting member;

11. a telescopic frame; 12. a first damping shim; 13. a first fixing member; 14. a third link; 15. a fourth link; 16. a second damping shim; 17. a second accommodating groove; 18. a second fixing member;

111. a first link; 112. a second link; 113. a first accommodating groove;

21. a spherical groove; 22. connecting columns;

31. a ball head; 32. an ear plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides a vibration damping mechanism, which can be used between the outer drum and the cabinet of the washing machine to absorb the vibration generated during the operation of the outer drum of the washing machine, so as to avoid the excessive transmission of the vibration to the cabinet of the washing machine. This damping mechanism includes damping component 1, and damping component 1's both ends ball pivot respectively in the first installation department and the second installation department that the interval set up, and damping component 1 includes a set of or articulated multiunit expansion bracket 11 in proper order, and expansion bracket 11 includes first connecting rod 111 and the second connecting rod 112 of cross-hinged, can realize the extension and the shrink of expansion bracket 11 when first connecting rod 111 and second connecting rod 112 rotate relatively.

When the second installation part vibrates, two ends of the vibration damping assembly 1 respectively rotate relative to the first installation part and the second installation part in an adaptive mode, and meanwhile, the expansion bracket(s) 11 of the vibration damping assembly 1 extend or contract in an adaptive mode to absorb the vibration generated by the second installation part and alleviate the impact of the second installation part on the first installation part. The first link 111 and the second link 112 of the telescopic frame 11 occupy a small space when retracted to the extreme positions. When the vibration damping mechanism is applied between the outer cylinder and the box body of the washing machine (the box body comprises the first installation part and the outer cylinder comprises the second installation part), the number of the expansion brackets 11 can be adaptively arranged according to the gap between the outer cylinder and the box body, so that the use requirements of different models of washing machines are met, and the expansion brackets 11 can provide larger expansion amount, so that the vibration damping mechanism can play a sufficient role in buffering and damping.

Illustratively, referring to fig. 1 and 2, the telescopic frame 11 is provided in plurality, and can provide a sufficient amount of expansion and contraction. The middle portion of the first link 111 is hinged to the middle portion of the second link 112. In two telescopic frames 11 which are adjacently arranged at the left and the right, the end part of a first connecting rod 111 of the left telescopic frame 11 is hinged with the end part of a second connecting rod 112 of the right telescopic frame 11; the end of the second link 112 of the left telescopic frame 11 is hinged to the end of the first link 111 of the right telescopic frame 11 to enable sequential hinging between the plurality of telescopic frames 11.

As shown in fig. 3 and 4, the first damping washer 12 is interposed between the first link 111 and the second link 112. During the relative extension and closing of the first link 111 and the second link 112, the two and the first damping pad 12 therebetween rub against each other to provide damping force for the vibration damping mechanism, so as to achieve the purpose of reducing vibration.

Referring to fig. 3 and 4, a first receiving groove 113 is concavely formed on one side of the first link 111 facing the second link 112 and one side of the second link 112 facing the first link 111, and a part of the first damping shim 12 is embedded into the first receiving groove 113 of the first link 111 and another part of the first damping shim 12 is embedded into the first receiving groove 113 of the second link 112, so as to prevent the first damping shim 12 from slipping when the first link 111 and the second link 112 rotate relatively, and prevent the first damping shim 12 from coming off.

Of course, in other embodiments, the first accommodating groove 113 for accommodating the first damping shim 12 may be provided only on one side of the first link 111 facing the second link 112; or a first receiving groove 113 for receiving the first damping pad 12 is provided only at one side of the second link 112 facing the first link 111.

It can be understood that the first damping shim 12 is not only arranged between the first connecting rod 111 and the second connecting rod 112 in the same telescopic frame 11, but also arranged between the first connecting rod 111 and the second connecting rod 112 of two adjacent telescopic frames 11, so as to provide sufficient damping force for the extension and contraction processes of the telescopic frame 11, and achieve the purpose of reducing vibration.

Referring to fig. 2, 3 and 4, the first link 111 and the second link 112 are connected by a first fixing member 13. The first fixing member 13 penetrates the first link 111, the first damping washer 12, and the second link 112, and is rotatably engaged with the first link 111 and the second link 112. The first link 111 and the second link 112 rotate relatively at the position of the first fixing member 13, the center of the first fixing member 13 is the rotation center, and the first damping pad 12 rubs against the first link 111 and the second link 112 to provide a damping force while rotating. In the present embodiment, the first fixing member 13 is preferably a rivet.

Referring to fig. 1 and 2, a third connecting rod 14 and a fourth connecting rod 15 with hinged ends are arranged at both ends of the damping assembly 1. One end of the third connecting rod 14 far away from the fourth connecting rod 15 is hinged to the first connecting rod 111 of the corresponding telescopic frame 11, and one end of the fourth connecting rod 15 far away from the third connecting rod 14 is hinged to the second connecting rod 112 of the corresponding telescopic frame 11. Illustratively, as shown in fig. 1, one end of the right third link 14 is hinged to the end of the first link 111 of the rightmost expansion bracket 11, the other end is hinged to the end of the right fourth link 15, and one end of the right fourth link 15 far away from the right third link 14 is hinged to the end of the second link 112 of the rightmost expansion bracket 11. Further, the hinged ends of the third connecting rod 14 and the fourth connecting rod 15 on both sides of the damping assembly 1 are respectively and spherically hinged on the first mounting part and the second mounting part.

Referring to fig. 5 and 6, second damping shims 16 are disposed between the third link 14 and the first link 111, between the fourth link 15 and the second link 112, and between the third link 14 and the fourth link 15. During the rotation of the third link 14 relative to the first link 111 and the fourth link 15, and during the rotation of the fourth link 15 relative to the second link 112, the two corresponding rods and the middle second damping pad 16 rub against each other, so as to provide damping force for the vibration damping mechanism, and achieve the purpose of reducing vibration.

Referring to fig. 7, the sides of the third link 14 and the fourth link 15 facing each other are provided with a second receiving groove 17, and the second receiving groove 17 is used for receiving a second damping shim 16 to prevent the second damping shim 16 from slipping out.

Referring to fig. 5, with respect to the second damping shim 16 between the third link 14 and the first link 111, a portion thereof is inserted into the first receiving groove 113 of the first link 111, and another portion thereof is inserted into the second receiving groove 17 of the third link 14. The first fixing member 13 penetrates the first link 111, the second damping washer 16, and the third link 14, and is rotatably engaged with the first link 111 and the third link 14. Similarly, for the second damping washer 16 between the fourth link 15 and the second link 112, a part thereof is embedded in the first receiving groove 113 of the second link 112, and another part thereof is embedded in the second receiving groove 17 of the fourth link 15. The corresponding first fixing member 13 passes through the second link 112, the second damping washer 16, and the fourth link 15, and is rotatably engaged with the second link 112 and the fourth link 15.

Referring to fig. 6, for the second damping shim 16 between the third link 14 and the fourth link 15, a portion thereof is embedded in the second receiving groove 17 of the third link 14, and another portion thereof is embedded in the second receiving groove 17 of the fourth link 15. The third link 14 and the fourth link 15 are connected by a second fixing member 18, and the second fixing member 18 passes through the third link 14, the corresponding second damping washer 16 and the fourth link 15 and is rotatably engaged with the third link 14 and the fourth link 15.

Referring to fig. 1, 2 and 8, the first installation part and the second installation part are both provided with a hinge seat 2, the hinge seat 2 is provided with a spherical groove 21, the hinge ends of the third connecting rod 14 and the fourth connecting rod 15 are rotatably connected with a connecting piece 3, the connecting piece 3 is provided with a ball head 31, and the ball head 31 is rotatably connected in the spherical groove 21, so as to realize the spherical hinge of the two ends of the vibration damping assembly 1 and the first installation part and the second installation part. The cooperation of the hinge base 2 and the ball head 31 enables the vibration damping assembly 1 to have a large rotatable range, and fully accommodate the vibration of the second mounting portion relative to the first mounting portion in all directions (i.e. the vibration of the outer cylinder relative to the box).

Further, referring to fig. 8, two lug plates 32 are spaced apart from one end of the connecting member 3 away from the ball 31, the second fixing member 18 is connected between the two lug plates 32 and penetrates through the third connecting rod 14 and the fourth connecting rod 15, and the third connecting rod 14 and the fourth connecting rod 15 are rotatable around the center of the second fixing member 18. The pivotal connection between the hinged ends of the third and

fourth links

14, 15 and the connecting member 3 is facilitated by the provision of the lug 32.

Further, referring to fig. 1 and 2, the hinge base 2 is connected to the first mounting portion or the second mounting portion through the connection post 22, which is convenient in connection.

Optionally, the damping mechanism further comprises one or more damping springs connected between the first mounting portion and the second mounting portion. The vibration reduction component is applied to the washing machine, namely, one or more vibration reduction springs are arranged between the outer cylinder and the box body of the washing machine, namely, the vibration reduction component 1 and the vibration reduction springs can be jointly used for achieving the purpose of reducing the vibration of the outer cylinder, and the vibration reduction component can be arranged as required in actual use.

The embodiment also provides a washing machine, which comprises a box body and an outer barrel positioned in the box body, wherein a gap is formed between the outer barrel and the box body, one or more damping mechanisms are arranged in the gap, the hinged seat 2 at one end of the damping component 1 is connected to the outer barrel, and the hinged seat 2 at the other end of the damping component 1 is connected to the box body. The vibration reduction mechanism occupies small space, is beneficial to realizing the miniaturization of the washing machine, and the vibration reduction component 1 can provide larger expansion amount, plays a role in sufficient buffering and vibration reduction, well absorbs the vibration generated when the outer cylinder of the washing machine operates, and avoids the excessive transmission of the vibration to the box body of the washing machine.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a damping mechanism, its characterized in that, includes damping subassembly (1), the both ends of damping subassembly (1) ball pivot respectively in first installation department and the second installation department that the interval set up, damping subassembly (1) include a set of or articulated multiunit expansion bracket (11) in proper order, expansion bracket (11) are including crossing articulated first connecting rod (111) and second connecting rod (112).

2. The vibration damping mechanism according to claim 1, characterized in that a first damping shim (12) is interposed between the first link (111) and the second link (112).

3. The vibration damping mechanism according to claim 2, characterized in that a side of the first link (111) facing the second link (112) and/or a side of the second link (112) facing the first link (111) is recessed with a first receiving groove (113), the first damping shim (12) being disposed within the first receiving groove (113).

4. The vibration damping mechanism according to claim 2, characterized in that the vibration damping assembly (1) further comprises a first fixing member (13), the first fixing member (13) penetrating the first connecting rod (111), the first damping washer (12) and the second connecting rod (112) and being rotatably engaged with the first connecting rod (111) and the second connecting rod (112).

5. The damping mechanism according to any one of claims 1 to 4, characterized in that a third connecting rod (14) and a fourth connecting rod (15) are arranged at both ends of the damping assembly (1), the ends of the third connecting rod (14) are hinged to a first connecting rod (111) corresponding to the telescopic frame (11), the end of the fourth connecting rod (15) is hinged to a second connecting rod (112) corresponding to the telescopic frame (11), and the end of the third connecting rod (14) is hinged to the fourth connecting rod (15).

6. The vibration damping mechanism according to claim 5, characterized in that second damping shims (16) are provided between the third link (14) and the first link (111), between the fourth link (15) and the second link (112), and between the third link (14) and the fourth link (15).

7. The vibration damping mechanism according to claim 5, characterized in that the first mounting portion and the second mounting portion are provided with a hinge seat (2), the hinge seat (2) is provided with a spherical groove (21), the hinge ends of the third connecting rod (14) and the fourth connecting rod (15) are rotatably connected with a connecting piece (3), the connecting piece (3) is provided with a ball head (31), and the ball head (31) is rotatably connected in the spherical groove (21).

8. The damping mechanism according to claim 7, characterized in that two lug plates (32) are arranged at an interval at one end of the connecting member (3) far away from the ball head (31), a second fixing member (18) is connected between the two lug plates (32), and the second fixing member (18) penetrates through the third connecting rod (14) and the fourth connecting rod (15) and is in rotating fit with the third connecting rod (14) and the fourth connecting rod (15).

9. The damping mechanism according to any one of claims 1 to 4, further comprising one or more damping springs connected between the first mounting portion and the second mounting portion.

10. A washing machine comprising a cabinet and an outer drum located within the cabinet, there being a gap between the outer drum and the cabinet, there being one or more damping mechanisms as claimed in any one of claims 1 to 9 located within the gap.