CN214736763U

CN214736763U - Double-drum washing machine

Info

Publication number: CN214736763U
Application number: CN202120473372.1U
Authority: CN
Inventors: 王鹏; 栾强利; 刘玉春; 张新新; 石伟泽
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-11-16
Anticipated expiration: 2031-03-04

Abstract

The utility model provides a binocular washing machine, include: a box body; the upper cylinder is arranged in the box body; the lower cylinder is arranged in the box body and is positioned below the upper cylinder; and a vibration damping connection comprising: a central column; the upper cover is annularly arranged at the top end of the central column and is combined with the central column to form a supporting part of the upper cylinder body; the base is annularly arranged at the bottom of the central column, and the bottom end of the base is connected with the lower barrel; and the rubber pile is arranged between the upper cover and the base and used for reducing the vibration force of the upper barrel and the lower barrel. The utility model carries out integrated design on the barrel component by arranging the vibration reduction connecting piece between the upper barrel and the lower barrel, which not only helps to save the occupied space of the barrel component and reduce the height of the whole machine; the upper barrel body and the lower barrel body can be flexibly isolated to weaken the mutual influence of the two barrel bodies, so that the vibration amplitude and the noise of the barrel body assembly are reduced.

Description

Double-drum washing machine

Technical Field

The utility model belongs to the technical field of domestic appliance, especially, relate to a binocular washing machine.

Background

In the prior art, two drums of a double-drum washing machine are mostly designed in a split structure, the split drum structure design not only increases the number of parts, but also increases the number of connection points of a suspension system and a box body, and in order to meet the requirement of the suspension system which the two drums respectively possess, the whole occupied space of the drum assembly is large, and the height of the whole box body is increased.

Although the integrated double-drum design can solve the problem that the drum assembly occupies a large space, the drums can generate strong vibration during operation, and even if one drum does not operate, the other drum also can be influenced by the operation vibration of the other drum, so that higher requirements are put on the reliability of the whole machine, namely higher requirements on the strength, the material, the processing and the manufacturing of the washing machine assembly. Therefore, the problem of mutual influence of vibration between the two cylinders needs to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above-mentioned technical problem, provide a binocular washing machine, have the complete machine size, and vibrate small in noise's advantage.

In order to achieve the purpose, the invention adopts the technical scheme that:

a dual drum washing machine comprising:

a box body;

the upper cylinder is arranged in the box body;

the lower cylinder is arranged in the box body and is positioned below the upper cylinder; and

a vibration damping connection comprising:

a central column;

the upper cover is annularly arranged at the top end of the central column and is combined with the central column to form a supporting part of the upper cylinder body;

the base is annularly arranged at the bottom of the central column, and the bottom end of the base is connected with the lower barrel; and

the rubber pile is arranged between the upper cover and the base and used for reducing the vibration force of the upper barrel and the lower barrel.

The utility model carries out integrated design on the barrel assembly by arranging the vibration reduction connecting piece between the upper barrel and the lower barrel, which not only helps to reduce the number of parts of the washing machine and save the occupied space of the barrel assembly, thereby reducing the height of the whole machine; the upper cylinder body and the lower cylinder body can be flexibly isolated to weaken the mutual influence of the two cylinder bodies, so that the requirements of the double-cylinder washing machine on the strength, the material and the reliability of the whole machine are reduced; additionally, the utility model provides a damping effect of damping connecting piece is obvious, and simple structure, reduction in production cost when guaranteeing complete machine stability.

According to some embodiments of the present application, the outer edge of the upper cover extends downward to form an upper surrounding wall, and a distance between the top end of the upper surrounding wall and the center pillar is smaller than a distance between the bottom end of the upper surrounding wall and the center pillar. The upper surrounding wall arranged obliquely outwards can buffer the amplitude of left and right swinging of the barrel assembly during vibration, the damping force of the vibration reduction connecting piece can be properly reduced, the vibration frequency of the washing machine is lower when the washing machine runs at a high speed, the swinging amplitude is smaller, and the improvement of the unbalance loading resistance and the vibration absorption rate of the washing machine is facilitated.

According to some embodiments of the application, the base comprises a base top plate and a lower wall formed by downward-inclined extension of an outer edge of the base top plate, and a distance between a top end of the lower wall and the center column is smaller than a distance between a bottom end of the lower wall and the center column. The swing range of left and right directions when the barrel subassembly vibrates can further be cushioned to the lower wall that leans out the setting, further improves washing machine's anti unbalance loading ability and vibration absorption rate.

According to some embodiments of the present application, a bottom end of the central column extends laterally outward to form a base, and an auxiliary rubber is filled between the base and the base. The filling of the auxiliary rubber can further reduce the vibration amplitude and the noise of the whole machine of the double-drum washing machine, and can fix the position of the base.

According to some embodiments of the application, the base is pressed and fixed by the rubber pile and the auxiliary rubber, and a gap is formed between the inner side wall of the base and the outer peripheral wall of the central column. The base does not directly contact with the center post, but fixes with the auxiliary rubber through the rubber heap, and this design can avoid the center post to become the vibration transfer path between upper barrel and the lower barrel to further reduce whole quick-witted vibration range and noise.

According to some embodiments of the application, the bottom of going up the barrel is equipped with first connecting portion, first connecting portion include the top with go up barrel fixed connection's first backup pad and be fixed in first backup pad bottom and with the first connecting plate that the damping connecting piece links to each other. The contact area between barrel and the damping connecting piece in the reducible barrel of going up of setting of first connecting portion to reduce the interact between the barrel.

According to some embodiments of the application, the center of the first connecting plate is provided with a through hole, the top of the center column is provided with an installation cavity with an opening at the top end, the wall of the installation cavity is provided with threads, and a bolt is arranged to penetrate through the screw hole and then is screwed in the installation cavity. The tightness of the connection between the upper cylinder and the vibration reduction connecting piece is further enhanced to ensure the supporting effect of the vibration reduction connecting piece on the upper cylinder, thereby ensuring the stability of the whole machine assembly and the reliability of the product.

According to some embodiments of the application, a non-slip washer is provided between the bolt head and the first connecting plate. The fastening connection of barrel and damping connecting piece is gone up in further strengthening, prevents to go up the barrel and the not hard up influence damping effect of bolt of damping connecting piece junction and even causes danger.

According to some embodiments of the application, the bottom of barrel is equipped with the second connecting portion down, the second connecting portion include the top with barrel fixed connection's second backup pad down and be fixed in second backup pad bottom and with the second connecting plate that the damping connecting piece links to each other. The contact area between barrel and the damping connecting piece under the reducible setting of second connecting portion to reduce the interact between the barrel.

According to some embodiments of the present application, the bottom end of the lower wall extends laterally outward to form a connecting edge, and the connecting edge is provided with a screw hole; the second connecting plate is provided with a through hole corresponding to the screw hole, and a bolt is arranged to sequentially penetrate through the screw hole and the through hole and then is fastened and connected with the nut. The tightness of the connection between the lower cylinder and the vibration reduction connecting piece is further enhanced, so that the supporting effect of the lower cylinder on the vibration reduction connecting piece and the upper cylinder is ensured, and the stability of the assembly of the whole machine and the reliability of a product are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the barrel assembly of the present invention;

fig. 2 is a schematic structural view of the barrel assembly of the present invention at another angle;

FIG. 3 is a partial enlarged view of the joint of the barrel assembly of the present invention;

FIG. 4 is a schematic view of the connection between the cylinder and the vibration damping connector of the present invention;

fig. 5 is a sectional view of the vibration damping connector of the present invention.

In the above figures: 1. an upper cylinder body; 11. a first connection portion; 2. a lower cylinder body; 21. a second connecting portion; 3. a drum; 4. a vibration damping connection member; 41. a central column; 411. a base; 42. an upper cover; 421. an upper enclosure wall; 43. a base; 431. a top plate; 432. a lower wall; 44. rubber piles; 45. an auxiliary rubber; 5. a bolt; 6. an anti-slip gasket; 7. and a nut.

Detailed Description

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

In the description of the present invention, it is to 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 those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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.

Fig. 1 is a schematic structural view of the barrel assembly of the present invention; fig. 1 is a schematic structural view of the barrel assembly of the present invention at another angle; fig. 3 is a partial enlarged view of the joint of the barrel assembly of the present invention.

Referring to fig. 1 to 3, the dual drum washing machine according to the present embodiment includes:

the washing machine comprises a casing, a door body, a first door body, a second door body and a second door body, wherein the casing forms the appearance of the main body of the washing machine, the casing is internally provided with the box body, the door body is usually connected to the box body and can be pivotally connected to the box body, and clothes can be plugged into or taken out of the washing machine by opening the door body;

the barrel component comprises an upper barrel 1 and a lower barrel 2 which are fixedly arranged in the box body and used for containing washing water; wherein, the upper cylinder body 1 is positioned above the whole machine, and the lower cylinder body 2 is positioned below the whole machine. The upper cylinder 1, the lower cylinder 2 and the box body are all provided with preset distances. The two corresponding door bodies are also arranged and are respectively arranged corresponding to the two cylinder bodies.

Two drums 3 rotatably installed in the two drums, respectively, and defining a side having a door as a front side of the washing machine, such that each front side of the drum 3 has an inlet, which can be opened or closed by pivoting the door, and when the door is rotated to open the inlet, laundry can be inserted into or taken out of the drum 3, and when the door is rotated to close the inlet, the washing machine can enter a washing mode; the drum 3 has a plurality of through holes through which the washing water in the drum may be introduced into the drum 3, and the drum 3 may affect the drum to generate vibration and noise during the rotation.

In order to reduce the overall size of the double-drum washing machine and reduce the vibration and noise of the washing machine during the washing process, the embodiment provides the damping connecting piece 4, the upper drum body 1 and the lower drum body 2 are connected through the damping connecting piece, so that the upper drum body 1 and the lower drum body 2 form an integrated drum body structure, the integrated drum body structure can effectively isolate the vibration between the upper drum body and the lower drum body while reducing the overall size, and the machine damage caused by the vibration is avoided. Specifically, the following technical means may be implemented, or the following technical means may be combined:

FIG. 4 is a schematic view of the connection between the cylinder and the vibration damping connector of the present invention; fig. 5 is a sectional view of the vibration damping connector of the present invention.

Referring to fig. 1-4, the bottom end of the upper cylinder 1 is provided with a first connecting part 11 connected to the shock-absorbing connecting member 4, and the first connecting part 11 is composed of two vertically arranged first supporting plates and a first connecting plate located at the bottom ends of the two first supporting plates. Specifically, both ends of the first connecting plate are respectively fixedly connected with the bottom ends of the two first supporting plates, and the top ends of the two first supporting plates are connected with the upper barrel body 1. The upper cylinder 1 is connected with the damping connecting piece 4 through a first connecting plate.

The top of barrel 1 is provided with second connecting portion 21 with first connecting portion 11 relatively down, and second connecting portion 21 comprises two vertical second backup pads and the second connecting plate of setting up equally. The difference from the first connecting portion 11 is that two ends of the second connecting plate are respectively fixedly connected with the top ends of the two second supporting plates, and the bottom ends of the two second supporting plates are connected with the lower barrel 2. The lower cylinder 2 is connected with the shock-absorbing connector 4 through a connecting plate at the top end of the second connecting part 21.

In the present embodiment, for example, four sets of the first connecting portions 11 and the second connecting portions 21 are provided corresponding to each other, and are located at four corners of the bottom end of the opposing surface of the upper cylinder 1 and the lower cylinder 2. It should be understood that, this application does not limit the number of first connecting portion 11 and second connecting portion 12, and may only set up a set at the center of last barrel 1 and lower barrel 2 opposite face, and also may set up two sets at the both ends of last barrel 1 and lower barrel 2 opposite face, and it is only necessary to satisfy the relative setting of first connecting portion 11 and second connecting portion 21, and ensure the equilibrium stability after last barrel 1 installs.

The structure of the vibration damping connecting member 4 provided in the present embodiment will be described in detail below with reference to fig. 5:

specifically, as shown in fig. 5, the damping connecting member 4 includes:

(supporting structure of damping attachment 4)

And the central column 41 is positioned in the center of the vibration damping connecting piece 4 and plays a role in supporting and fixing the whole structure of the vibration damping connecting piece 4 in the longitudinal direction.

The upper cover 42 is arranged at the top end of the central column 41 in a surrounding mode, the outer edge of the upper cover 42 is inclined downwards to form an upper surrounding wall 421, and the distance between the top end of the upper surrounding wall 421 and the central column 41 is smaller than the distance between the bottom end of the upper surrounding wall 421 and the central column 41. The structural design can buffer the amplitude of the left-right direction swing of the barrel component during vibration, can properly reduce the damping force of the vibration reduction connecting piece 4, enables the vibration frequency of the washing machine to be lower during high-speed operation, enables the swing amplitude to be smaller, and is beneficial to improving the unbalance loading resistance and the vibration absorption rate of the washing machine.

And a base 43 disposed below the upper surrounding wall 421 and surrounding the central pillar 41. The base 43 includes a base top plate 431 at the longitudinal center of the center pillar, and a lower peripheral wall 432 formed by extending an outer edge of the base top plate 431 downward. Meanwhile, the distance between the top end of the lower surrounding wall 432 and the central column 41 is smaller than the distance between the bottom end of the lower surrounding wall 432 and the central column 41. The inclined design can further buffer the amplitude of the left-right swinging of the barrel component during vibration, can properly reduce the damping force of the vibration reduction connecting piece 4, enables the vibration frequency of the washing machine to be lower during high-speed operation, enables the swinging amplitude to be smaller, and further improves the unbalance loading resistance and the vibration absorption rate of the washing machine.

In the present embodiment, the center post 41 and the upper cover 42 are combined to form a support portion of the upper cylinder 1, the first connecting portion 11 is tightly connected to the support portion, and the support portion moves together with the upper cylinder 1 when the upper cylinder 1 vibrates, and this structure mainly plays a role of supporting and connecting the vibration damping connecting member 4 and the upper cylinder 1, and does not have a vibration damping effect. The base 43 is a support portion of the lower cylinder 2, to which the second connecting portion 21 is fastened, and moves together with the lower cylinder 2 when the lower cylinder 2 vibrates, and this structure mainly plays a role of supporting and connecting the vibration damping connector 4 and the lower cylinder 2, and does not have a vibration damping effect. A vibration reduction cavity is formed between the supporting part of the upper cylinder body 1 and the supporting part of the lower cylinder body 2 and is used for accommodating damping substances with vibration reduction effect.

(variable damping Structure of vibration damping attachment 4)

And a rubber pile 44 disposed in a vibration damping chamber formed between the support portion of the upper cylinder 1 and the support portion of the lower cylinder 2. The rubber pile 44 can play a role in vibration isolation and buffering, can absorb the vibration force of the upper barrel 1 or the lower barrel 2, flexibly isolates and connects the upper barrel 1 and the lower barrel 2, weakens the mutual influence between the two barrels, further can reduce the requirements on the overall strength, the material and the reliability of the double-barrel washing machine, and reduces the production cost while effectively weakening the overall vibration.

Further, a base 411 is formed by extending the bottom end of the central pillar 41 outwards and transversely, an auxiliary rubber 45 can be filled between the base 411 and the base 43, the filling of the auxiliary rubber can further reduce the vibration amplitude and noise of the whole machine of the double-drum washing machine, and in the present embodiment, the base 43 is not in direct contact with the central pillar 41, but is fixed with the auxiliary rubber 45 through the rubber pile 44, so as to prevent the vibration of the lower drum 2 from being transmitted to the upper drum 1 through the central pillar 41.

(vibration damping connecting structure of vibration damping connecting member 4)

In this embodiment, a through hole is formed in the center of the first connecting plate, an installation cavity with an upper end opening is formed in the top end of the central column 41, threads are formed in the cavity wall of the installation cavity, and a bolt 5 is arranged to penetrate through the through hole in the first connecting plate and then is screwed into the installation cavity in the upper end of the central column 41, so that the upper cylinder 1 and the vibration reduction connecting piece 4 are fastened and connected.

Further, an anti-slip gasket 6 is arranged between the head of the bolt 5 and the first connecting plate and used for preventing the bolt 5 from loosening, and the tightness of the connection between the upper cylinder 1 and the vibration reduction connecting piece 4 is further enhanced.

In this embodiment, the bottom end of the bottom wall 432 extends outwards and laterally to form a connecting edge, a through hole is formed on the connecting edge, a screw hole is formed in the second connecting plate corresponding to the through hole of the bottom wall 432, and a bolt 5 is also arranged to sequentially penetrate through the screw hole in the bottom wall 432 and the through hole in the second connecting plate and then to be fastened and connected with the nut 7, so as to fasten and connect the upper cylinder 1 and the vibration damping connecting piece 4.

In the embodiment, the number of the vibration reduction connecting pieces 4 is not suitable to be too many, on one hand, because the length of the casing is limited, too many vibration reduction connecting pieces 4 cannot be placed; on the other hand, too many damping connecting pieces 4 are arranged, so that the connecting points of the cylinder box 1 or the base 12 are increased, and the output path of the cylinder vibration force is increased. Therefore, the number of the damping connecting pieces 4 is preferably 1 to 4 on the premise of satisfying the balance and stability of the cylinder.

The double-drum washing machine provided by the embodiment integrally designs the drum components by arranging the vibration reduction connecting piece 4 between the upper drum 1 and the lower drum 2, and the design is favorable for reducing the number of parts of the washing machine, saving the occupied space of the drum components and further reducing the height of the whole machine; the vibration of the upper barrel 1 and the lower barrel 2 can be isolated to a certain extent, and the mutual influence of the two barrels is weakened, so that the requirements of the double-barrel washing machine on the strength, the material and the reliability of the whole machine are reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A dual drum washing machine, comprising:

a box body;

the upper cylinder is arranged in the box body;

a vibration damping connection comprising:

a central column;

2. The dual drum washing machine as claimed in claim 1, wherein the outer rim of the upper cover is downwardly inclined to extend to form an upper peripheral wall, and the distance between the top end of the upper peripheral wall and the center pillar is smaller than the distance between the bottom end of the upper peripheral wall and the center pillar.

3. The dual drum washing machine as claimed in claim 1, wherein the base includes a base top plate, and a bottom wall formed by an outer edge of the base top plate extending obliquely downward, a distance between a top end of the bottom wall and the center pillar being smaller than a distance between a bottom end thereof and the center pillar.

4. The dual drum washing machine as claimed in claim 1, wherein the bottom end of the center column extends laterally outward to form a base, and auxiliary rubber is filled between the base and the pedestal.

5. The dual drum washing machine as claimed in claim 4, wherein the base is pressed and fixed by the rubber pile and the auxiliary rubber with a gap between an inner side wall thereof and an outer peripheral wall of the center pillar.

6. The dual drum washing machine as claimed in claim 1, wherein the lower end of the upper drum is provided with a first coupling part including a first support plate having a top end fixedly coupled to the upper drum, and a first coupling plate fixed to a bottom end of the first support plate and coupled to the vibration reduction coupling member.

7. The double-drum washing machine as claimed in claim 6, wherein the first connecting plate is provided with a screw hole at the center, the top of the central column is provided with a mounting cavity with an opening at the top end, the wall of the mounting cavity is provided with threads, and a bolt is arranged to penetrate through the screw hole and then is screwed into the mounting cavity.

8. The dual drum washing machine as claimed in claim 7 wherein a non-slip washer is provided between the bolt head and the first connecting plate.

9. The double-drum washing machine according to claim 3, wherein the bottom end of the lower drum is provided with a second connecting part, and the second connecting part comprises a second support plate having a top end fixedly connected with the lower drum, and a second connecting plate fixed to a bottom end of the second support plate and connected with the vibration damping connector.

10. The dual drum washing machine as claimed in claim 9, wherein the bottom end of the bottom wall extends laterally outward to form a connecting edge, and the connecting edge is provided with a through hole; the second connecting plate is provided with a screw hole corresponding to the through hole, and a bolt is arranged to sequentially penetrate through the screw hole and the through hole and then is fastened and connected with the nut.