CN217378292U

CN217378292U - Miniature drum washing machine

Info

Publication number: CN217378292U
Application number: CN202221374456.0U
Authority: CN
Inventors: 何灼文
Original assignee: Guangzhou Yizhi Home Technology Co Ltd
Current assignee: Guangzhou Yizhi Home Technology Co Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-06
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a miniature drum type washing machine, include: the outer barrel is provided with a clothes throwing opening at one end, and a balancing weight is fixedly connected to the outer side wall of the outer barrel close to the clothes throwing opening; a frame for supporting the outer tub; a bottom support for forming the external decorative surface at the bottom of the washing machine; the supporting column is used for connecting the framework and the outer cylinder; a bottom angle is fixedly arranged on the surface of the bottom support; one of the bottom angles is arc-shaped; after the urceolus passes through the support column and installs to the skeleton, the support column is located the below of urceolus, and circular-arc base angle is located support column and balancing weight between the projection of collet bottom for the focus of urceolus, skeleton and collet is located the coplanar, with the stable structure who forms washing machine. The utility model discloses can adjust washing machine's focus position, the vibration volume of the whole barrel of effectual control reduces washing machine's vibration noise, guarantees that washing machine is in balanced position in procedures such as washing and dehydration, improves washing machine operation stationarity, promotes the user and uses experience and feel.

Description

Miniature drum washing machine

Technical Field

The utility model relates to a washing machine field, concretely relates to miniature drum type washing machine.

Background

The washing machine belongs to one of electric appliances in daily life, and with the improvement of life quality, the appearance of the miniature roller washing machine meets the cleaning requirements of people on special clothes.

However, in the using process, the washing machine needs to bear larger weight and internal centrifugal force, the machine body is easy to vibrate unstably, and the inner drum and the outer drum are easy to collide to cause damage, so that the using safety and the service life of the washing machine are influenced, and the noise generated in the shaking process also influences the using experience of a user.

Therefore, there is a need to provide a new structure to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The weak point to prior art, the utility model aims to provide a miniature drum type washing machine adjusts washing machine's focus position, and the vibration volume of the whole barrel of effectual control reduces washing machine's vibration noise, guarantees that washing machine is in balanced position in procedures such as washing and dehydration, improves washing machine operation stationarity, promotes the user and uses experience and feel.

The technical scheme of the utility model outlines as follows:

a miniature drum washing machine comprising:

the outer barrel is provided with a clothes throwing opening at one end, and a balancing weight is fixedly connected to the outer side wall of the outer barrel close to the clothes throwing opening;

a frame for supporting the outer tub;

a bottom support for forming the external decorative surface of the bottom of the washing machine;

the supporting column is used for connecting the framework and the outer cylinder;

a bottom angle is fixedly arranged on the surface of the bottom support; one of the bottom angles is arc-shaped;

the urceolus passes through the support column is installed extremely behind the skeleton, the support column is located the below of urceolus, and circular-arc base angle is located the support column with the balancing weight is in between the projection of collet bottom, make the urceolus, the skeleton reaches the focus of collet is in the coplanar to form washing machine's stable structure.

Preferably, the supporting column is a damping buffer column; and the projection of the support column on the lateral plane of the washing machine is vertical to the bottom plane of the washing machine.

Preferably, the lower connection part of the supporting column is located at the gravity center of a side triangle of the washing machine formed by the counterweight block and the front and rear bottom corners.

Preferably, the upper connection position of the supporting column is located at the gravity center of a side triangle of the washing machine formed by the two balancing weights and the bottom corner.

Preferably, the bottom of the supporting column is arranged between the bottom of the framework and the bottom support so as to lower the gravity center of the washing machine.

Preferably, the supporting column comprises a buffer piece and a connecting piece; wherein,

the connecting piece is fixed on the outer side of the bottom of the framework, and a clamping space is formed in the connecting piece;

one end of the buffer piece is positioned in the clamping space and is rotationally connected with the connecting piece, and the other end of the buffer piece is used for being connected with the outer barrel.

Preferably, the bottom support comprises at least two bottom angles, and the bottom angle in the shape of a circular arc is positioned at the front part of the bottom support.

Preferably, the bottom of the outer cylinder is extended convexly to form a hanging part, a first fixing hole is formed in the hanging part, and a second fixing hole is formed in the end part of the supporting column; and an external connecting piece penetrates through the first fixing hole and the second fixing hole to fixedly connect the hanging part with the supporting column.

Preferably, the outer side wall of the outer cylinder radially protrudes and extends to form a connecting plate, and the balancing weight is provided with a groove matched with the connecting plate; when the balancing weight is fixedly connected with the outer barrel, the connecting plate is located in the groove.

Preferably, a positioning block is formed on the connecting plate, and a matched gap is formed in the groove; when the notch is clamped with the corresponding positioning block, the balancing weight is assembled to the corresponding position.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model increases the total mass of the outer cylinder by installing the balancing weight on the outer side wall of the outer cylinder so as to increase the integral inertia of the outer cylinder, thereby reducing the vibration amount when the washing machine operates, and inhibiting the problem of dynamic unbalance in the operation process of the whole washing cylinder by using the static inertia of the balancing weight;

2. the outer cylinder is supported by arranging the support columns between the bottom of the outer cylinder and the framework, so that the support columns can rock with the outer cylinder with a certain amplitude while sharing part of gravity, and the vibration amplitude and the noise of the outer cylinder are offset and reduced;

3. the circular-arc bottom angle is arranged at the bottom of the bottom support, so that the contact area and the mutual friction area between the bottom of the bottom support and the placing surface are effectively increased compared with the circular bottom angle, and the vibration and displacement of the washing machine are improved; meanwhile, the arc-shaped bottom angle enables the bearing surface at the front part of the bottom support of the washing machine to be in a whole arc shape, and the distance between the edge of the bearing surface and the gravity center of the washing machine is increased, so that the washing machine cannot tilt forward on an inclined plane or press the front part of the washing machine forcibly;

4. the balancing weight, the supporting column and the arc-shaped bottom angle are combined and arranged on the washing machine, the arc-shaped bottom angle is arranged in the position relation between the projections of the supporting column and the balancing weight on the bottom of the bottom support, and the balancing weight, the supporting column and the arc-shaped bottom angle are mutually matched to adjust the gravity center position of the washing machine, so that the vibration quantity of the whole barrel is effectively controlled, the vibration of the washing machine is improved, the vibration noise of the washing machine is reduced, the washing machine is ensured to be in a balance position in the washing, dewatering and other procedures, the operation stability of the washing machine is improved, the reliability is high, and the use experience of a user is improved; and it has strengthened the outer cylinder structure, lengthened the life of the cylinder, simple structure is with low costs, the additional spare part is few, the packaging efficiency is high, make full use of washing machine's inner space for increase this stable structure need not change the shell size of the existing washing machine, optimize washing machine's overall structure.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of a miniature drum washing machine according to the present invention;

FIG. 2a is a first side view of the micro drum washing machine of the present invention;

fig. 2b is a second side view of the miniature drum washing machine of the present invention;

FIG. 3 is a schematic structural view of the middle frame of the present invention;

FIG. 4 is a schematic view of the installation structure of the support post of the present invention;

FIG. 5 is a schematic view of the mounting structure of the middle outer tube and the support post of the present invention;

fig. 6 is a schematic view of the explosion structure of the middle bottom bracket of the present invention;

fig. 7 is a schematic bottom view of the bottom bracket of the present invention;

FIG. 8 is a schematic structural view of the middle outer barrel of the present invention;

FIG. 9 is a first schematic view of the mounting structure of the counterweight block of the present invention;

fig. 10 is a schematic view of the mounting structure of the middle weight block of the present invention.

In the figure: 1. a washing machine;

10. an outer cylinder; 11. a laundry input port; 12. a balancing weight; 121. a groove; 1211. a notch; 122. a connecting through hole; 123. an arc-shaped section; 13. a hanging part; 131. a suspension plate; 1311. a first fixing hole; 14. a connecting plate; 141. connecting columns; 142. positioning blocks;

20. a framework; 21. a support pillar; 211. a buffer member; 2111. a second fixing hole; 2112. a third fixing hole; 212. a connecting member; 2121. a clamping space; 2122. a fourth fixing hole; 22. a base plate; 221. an avoidance groove;

30. a bottom support; 31. a bottom corner; 311. a circular arc base angle; 312. a rounded bottom corner; 313. mounting holes; 32. mounting grooves; 321. and (6) mounting the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The embodiment of the utility model provides a miniature drum type washing machine, combine shown in fig. 1-10, include:

the clothes drying device comprises an outer barrel 10, wherein a clothes input opening 11 is formed in one end of the outer barrel 10, and a balancing weight 12 is fixedly connected to the outer side wall, close to the clothes input opening 11, of the outer barrel 10;

a frame 20 for supporting the outer tub;

a bottom support 30 for forming the outer surface of the bottom of the washing machine;

a support column 21 for connecting the frame 20 and the outer cylinder 10;

the surface of the bottom support 30 is fixedly provided with a bottom angle 31; one of the bottom corners 31 is arc-shaped;

after the outer barrel 10 is installed in the framework through the supporting column 21, the supporting column 21 is located below the outer barrel 10, and the arc-shaped bottom angle 311 is located between the supporting column 21 and the projection of the counterweight block 12 at the bottom of the bottom support, so that the centers of gravity of the outer barrel 10, the framework 20 and the bottom support 30 are located in the same plane, and a stable structure of the washing machine 1 is formed.

An outer tub 10 having an inner tub built therein for treating laundry; the inner cylinder rotates and reciprocates to drive clothes to be washed; the outer cylinder 10 and the inner cylinder are clamped together to form a water injection space, when the washing machine 1 works, water is injected into the space between the outer cylinder 10 and the inner cylinder through the water inlet holes in the side wall of the inner cylinder, and washing water enters the cylinder through the water inlet holes in the side wall of the inner cylinder to clean clothes; in the washing and dewatering processes of the inner drum, due to uneven distribution of the clothes, the washing machine 1 is eccentric, so that the inner drum collides with the outer drum 10, and the inner drum is damaged, and therefore the balance adjustment of the inner drum is needed; therefore, the total mass of the outer cylinder 10 is increased by installing the counter weight 12 on the outer side wall of the outer cylinder 10 to increase the inertia of the whole outer cylinder 10, so that the vibration range of the outer cylinder 10 is controlled in a certain area, namely the vibration quantity of the washing machine 1 during operation is reduced, and the problem of dynamic unbalance in the whole washing cylinder during operation is suppressed by using the static inertia of the counter weight 12.

One end of the support column 21 is connected with the outer cylinder 10, and the other end of the support column is connected to the bottom of the framework, namely after the installation is completed, the support column 21 is located at the lower position of the outer cylinder 10; the supporting columns 21 form a supporting structure of the outer cylinder 10 to share a part of gravity, and simultaneously shake with the outer cylinder 10 at a certain amplitude to offset and reduce the vibration amplitude and noise of the outer cylinder 10, thereby forming a vibration damping structure of the outer cylinder 10.

The arc-shaped bottom angle 311 is fixed at the bottom of the bottom support 30 and close to the front bottom position, and effectively increases the contact area and mutual friction area between the bottom surface of the bottom support 30 and the placing surface compared with the circular bottom angle 312, so that the vibration and displacement of the washing machine 1 are improved; meanwhile, the arc-shaped bottom angle 311 makes the front bearing surface of the washing machine 1 be a whole arc shape, and the distance between the edge of the bearing surface and the gravity center of the washing machine 1 is increased, so that the washing machine 1 does not tilt forward on an inclined surface or press the front part of the washing machine 1 forcibly.

The utility model discloses a combination sets up balancing weight 12 on washing machine 1, support column 21 and circular-arc base angle 311, and set up circular-arc base angle 311 and be located the position relation of support column 21 and balancing weight 12 between the bottom projection of collet 30, adjust washing machine 1's focus position with mutually supporting, guarantee that the barrel is according to the vibration volume of the whole barrel of effectual control of predetermined inclination or pitch angle design, the vibration of washing machine 1 has been improved, reduce washing machine 1's vibration noise, guarantee that washing machine 1 is in balanced position in procedures such as washing and dehydration, improve washing machine 1 operation stationarity, high reliability, promote user experience; in addition, the structure of the outer barrel 10 is reinforced, the service life of the barrel is prolonged, the structure is simple, the cost is low, the number of additional parts is small, the assembly efficiency is high, the internal space of the washing machine 1 is fully utilized, the size of the shell of the existing washing machine 1 is not required to be changed when the stable structure is added, and the overall structure of the washing machine 1 is optimized.

Wherein, the arc-shaped base angle 311 is located between the support column 21 and the projection of the counterweight block 12 on the bottom of the bottom support 30, it can be understood that, when viewed along the horizontal direction, for the counterweight block 12, the support column 21 and the arc-shaped base angle 311, the counterweight block 12 is located at the front end of the barrel of the washing machine 1, the support column 21 is located at the rear end of the barrel of the washing machine 1, the arc-shaped base angle 311 is located at the middle position of the counterweight block 12 and the support column 21, and the three form a triangular structure integrally to adjust the gravity center position of the washing machine 1 and ensure the stability of the washing machine 1.

In one embodiment, the support column 21 is a damping bumper column; and the projection of the support column 21 on the side plane of the washing machine 1 is vertical to the bottom plane of the washing machine 1. Specifically, the outer barrel 10 is connected and fixed on the framework 20 through the damping buffer column installed below the outer barrel 10, and when the washing machine 1 works, the damping buffer column consumes the energy of vibration of the outer barrel 10 by means of friction damping, so that the vibration of the outer barrel 10 is transmitted to the framework 20 and the bottom support 30 in a small mode, the damping buffer column is provided with a certain pressing stroke, and the vibration reciprocating motion can be provided within a certain range. Therefore, the stress of the supporting column 21 can be effectively ensured to be more uniform and stable, and the stability of the outer cylinder 10 in operation is ensured.

In an embodiment, as shown in fig. 1, fig. 2a and fig. 2b, the lower connection point of the supporting column 21 is located at the center of gravity of a side triangle of the washing machine 1 formed by the counterweight 12 and the front and rear bottom corners 31. The upper connection point of the supporting column 21 is located at the gravity center of the side triangle of the washing machine 1 formed by the two balancing weights 12 and the bottom corner 31.

Specifically, the weight block 12 includes an upper weight block fixed on the upper portion of the outer cylinder 10 and a lower weight block fixed on the lower portion of the outer cylinder 10; the bottom support 30 comprises at least two bottom angles 31 which are respectively arranged at the front part and the rear part of the bottom support 30; after the assembly is completed, the connection position of the supporting column 21 and the framework 20 is located at the gravity center of the triangle formed by the lower balancing weight and the front and rear bottom angles 31 at the side of the washing machine 1, that is, as shown in fig. 2a, the lower balancing weight is located at a position A in the figure, the front and rear bottom angles 31 are respectively located at positions C and B in the figure, the triangle ABC formed at the side of the washing machine 1 is formed, and O in the figure ₁ The center of gravity of the triangle ABC is located, and the connecting position of the supporting column 21 and the framework 20 is located at O in the figure ₁ At least one of (1) and (b); the connection position of the support column 21 and the outer tub 10 is located at the gravity center of the triangle at the side of the washing machine 1 formed by the upper balancing weight, the lower balancing weight and the rear bottom angle 31, that is, as shown in fig. 2B, the position A is the lower balancing weight, the position B is the rear bottom angle 31, and the position D is the upper balancing weight, so as to form a triangle ABD at the side of the washing machine 1, and the position O is the upper balancing weight ₂ The connection position of the support column 21 and the outer cylinder 10 is located at the position of the gravity center of the triangular ABD and is O in the figure ₂ At least one of (1) and (b); the projection of the support column 21 on the side plane of the washing machine 1 is perpendicular to the bottom plane of the washing machine 1, that is, the projection of the support column 21 on the framework 20 is perpendicular to the bottom surface of the bottom support 30; this arrangement ensures that the support post 21 does not move forward or backward during the up and down motionMoment of force, make support column 21 keep vibrating in the vertical direction, prevent that the washing machine 1 organism from taking place to move forward, retreat.

In an embodiment, the framework 20 is detachably connected to the bottom support 30, the bottom support 30 forms a bottom facing structure of the micro drum washing machine 1, the framework 20 is mounted on the bottom support 30 for supporting a drum of the washing machine 1, and the framework 20 and the bottom support 30 form a box structure of the washing machine 1 in combination.

For the micro drum washing machine 1, it is usually placed on a table, but since the washing machine 1 will generate vibration during the washing and dewatering process, the vibration will cause the washing machine 1 to displace to some extent, which requires an anti-slip structure at the bottom of the washing machine 1 to limit its movement and ensure its safety.

The arc-shaped bottom corner 311 is located on the bottom surface of the bottom base 30, as shown in fig. 6 and 7, an installation groove 32 matched with the arc-shaped bottom corner 311 in shape is formed on the bottom surface of the bottom base 30, a plurality of installation columns 321 are formed in the installation groove 32, and corresponding installation holes 313 are formed in the arc-shaped bottom corner 311; when the mounting post 321 is inserted into the mounting hole 313, the arc-shaped bottom corner 311 is fitted into the mounting groove 32, that is, the mounting post 321 and the mounting hole 313 form a positioning structure of the arc-shaped bottom corner 311; the mounting hole 313 and the mounting post 321 are connected together through the external connecting piece 212 to tightly abut the arc-shaped bottom corner 311 in the mounting groove 32, so that the mounting is simple and convenient, the internal space of the washing machine 1 is not occupied, and the miniaturization design of the washing machine 1 is facilitated; the thickness of the arc-shaped bottom corner 311 is greater than the depth of the mounting groove 32, that is, after the assembly is completed, the arc-shaped bottom corner 311 partially protrudes out of the mounting groove 32, so that the vibration and displacement of the washing machine 1 are limited, and the waterproof structure of the washing machine 1 is formed.

Further, the bottom bracket 30 comprises at least two bottom angles 31, wherein one bottom angle 31 is the circular arc bottom angle 311, and the circular arc bottom angle 311 is located at the front of the bottom bracket 30. In the present embodiment, as shown in fig. 6 and 7, the bottom bracket 30 includes a circular bottom corner 311 at the front and two circular bottom corners 312 at the rear, which are symmetrically arranged along the axis as shown in fig. 7.

It should be understood that the rest of the bottom corners 31 may be circular or arc-shaped, and the bottom corners 31 are disposed on the bottom support 30 to cooperate with each other, so as to ensure the stability and waterproof performance of the placement of the washing machine 1, further enhance the friction between the bottom support 30 and the placement surface, and improve the vibration and displacement of the washing machine 1.

The bottom corner 31 is made of a flexible material which is helpful for reducing vibration, preferably, the bottom corner 31 can be made of rubber or silica gel, and the like, has large friction with a placing surface, has certain viscoelasticity, and can absorb noise within a certain range.

In one embodiment, as shown in fig. 3, 4 and 5, the bottom of the support column 21 is mounted between the bottom of the frame 20 and the bottom support 30 to lower the center of gravity of the washing machine 1. Specifically, skeleton 20 includes a bottom plate 22, support column 21 with bottom plate 22 is fixed, and after the assembly was accomplished, support column 21 bottom was located bottom plate 22 below forms an upside-down mounting structure, effectively reduces the focus of barrel, promotes the stationarity of whole washing machine 1.

Further, as shown in fig. 4, the supporting column 21 includes a buffer 211 and a connecting member 212; wherein,

the connecting piece 212 is fixed at the outer side of the bottom of the framework 20, and a clamping space 2121 is formed in the connecting piece 212;

one end of the buffer member 211 is located in the clamping space 2121 and is rotatably connected to the connecting member 212, and the other end is used to connect to the outer cylinder 10.

Specifically, an avoiding groove 221 is formed in the bottom plate 22, the connecting member 212 is fixed to the periphery of the avoiding groove 221 from the outer side of the bottom plate 22, and the end of the buffer member 211 penetrates through the avoiding groove 221 and extends into the clamping space 2121 of the connecting member 212 to complete connection; wherein, the connecting piece 212 is fixedly connected with the bottom plate 22 through fasteners such as screws or bolts; the both ends of bolster 211 are cylindricly, third fixed orifices 2112 has been seted up to the bottom of bolster 211, fourth fixed orifices 2122 has been seted up to the connecting piece 212 corresponding position, passes through outside connecting piece 212 third fixed orifices 2112 and fourth fixed orifices 2122 and fix it together, in order to with bolster 211 pivot joint to on the connecting piece 212, and after the assembly, bolster 211 can center on connecting piece 212 rotates.

Further, as shown in fig. 5 and 8, a hanging portion 13 is protruded from the bottom of the outer cylinder 10, a first fixing hole 1311 is formed in the hanging portion, and a second fixing hole 2111 is formed at an end of the supporting column 21; the external connection member 212 passes through the first fixing hole 1311 and the second fixing hole 2111 to fixedly connect the hanging portion 13 with the support column 21. Specifically, the second fixing hole 2111 is located at the end of the buffer member 211, the hanging portion 13 is integrally formed with the outer tube 10, and the hanging portion 13 includes two hanging plates 131, when installed, the two hanging plates 131 clamp the end of the buffer member 211 and align the first fixing hole 1311 with the second fixing hole 2111 to achieve fastening through the external connecting member 212.

The connection mode in the embodiment effectively enhances the stability and reliability of the connection between the support column 21 and the outer cylinder 10 and the framework 20, plays a role in buffering the vibration of the washing machine 1, and further ensures the running stability of the washing machine 1; and above-mentioned assembly structure is simple, improves production assembly efficiency to make full use of washing machine 1 inner space avoids producing the influence to washing machine 1 whole size.

In an embodiment, the supporting columns 21 include two groups, two groups of the supporting columns 21 are respectively disposed on two sides of the outer cylinder 10, and one or more supporting columns 21 are disposed in the same group. Wherein, two sets of support columns 21 are splayed and symmetrically supported at two sides of the bottom of the outer barrel 10, that is, the support columns 21 and the vertical direction have a certain included angle.

As shown in fig. 1 and 5, one supporting column 21 may be disposed in the same group, that is, two supporting columns 21 are disposed on two sides of the outer tub 10, so as to form a supporting and vibration buffering structure for the outer tub 10.

It should be understood that two or more support columns 21 (not shown in the drawings) may be disposed in the same group, that is, two or more support columns 21 are disposed on one side of the outer tub 10, and the same number of support columns 21 are symmetrically disposed on the other side of the outer tub, so that the stress of the frame 20 is effectively ensured to be uniform and stable, and the vibration during the operation of the washing machine 1 is further reduced, thereby improving the user experience.

In an embodiment, as shown in fig. 9 and 10, a connecting plate 14 is extended on an outer side wall of the outer cylinder 10 in a radial direction, and the counterweight 12 is formed with a groove 121 adapted to the connecting plate 14; when the balancing weight 12 is fixedly connected with the outer cylinder 10, the connecting plate 14 is located in the groove 121. A connecting column 141 is formed on the connecting plate 14, the connecting column 141 is perpendicular to the connecting plate 14, a connecting through hole 122 is formed on the counterweight block 12, when the connecting plate 14 is located in the groove 121, the connecting column 141 is inserted into the connecting through hole 122, the connecting column 141 and the connecting through hole 122 are connected through fasteners such as screws or bolts, namely, the connecting column 141 simultaneously forms a connecting structure and a positioning structure of the counterweight block 12; specifically, the screw is inserted into the connecting through hole 122 along the axial direction of the outer cylinder 10 to fixedly connect the outer cylinder 10 with the counterweight 12, so that the influence of the screw on the outer cylinder 10 can be avoided, and the problems of water leakage caused by the screw penetrating through the outer cylinder 10 and sealing structure arranged at the screw after the water leakage are avoided.

Preferably, the weight block 12 in this embodiment is fixedly connected by only one screw, and has good stability, simple structure, low cost, few additional components, and high production and assembly efficiency.

Furthermore, a positioning block 142 is formed on the connecting plate 14, and a matching notch 1211 is formed in the groove 121; when the notch 1211 is engaged with the corresponding positioning block 142, the weight member 12 is assembled to the corresponding position. The positioning block 142 protrudes from the sidewall of the connecting plate 14, and the notch 1211 is formed on the inner sidewall of the groove 121, so that the positioning and fool-proof effects can be achieved for the installation of the plurality of counterweights 12.

Further, the number of the balancing weights 12 is at least two, and one side of the balancing weight 12 facing the laundry inlet 11 has an arc-shaped section 123 concentric with the edge of the laundry inlet 11, so that the balancing weight 12 is effectively prevented from blocking the laundry inlet 11, and a large gap is prevented from being generated between the outer tub 10 and the balancing weight 12.

In this embodiment, as shown in fig. 8, the number of the balancing weights 12 is 4, and the balancing weights are symmetrically distributed on two sides of the outer tub 10, and include two upper balancing weights located at the upper part of the outer tub 10 and two lower balancing weights located at the lower part of the outer tub 10. It should be understood that the number of the weight blocks 12 may be plural.

The specific size and shape of the weight 12 need to take into consideration the washing amount of the tub of the washing machine 1, the self-weight of the tub 10, and other factors.

In summary, as shown in fig. 1-10, the balance weight 12 disposed at the front end of the washing machine 1 in the present invention makes the washing machine 1 receive a forward tilting force, the supporting pillar 21 connected to the rear portion of the outer tub 10 can form a hanging and pulling force on the outer tub 10 while buffering the vibration of the tub, the arc-shaped base angle 311 is fixed at the bottom of the washing machine 1 and located between the balance weight 12 and the supporting pillar 21, the arc-shaped edge of the arc-shaped base angle 311 can prevent the washing machine 1 from tilting forward on an inclined plane or by pressing the front portion of the washing machine 1 hard, the balance weight 12, the supporting pillar 21 and the arc-shaped base angle 311 are combined to form a triangular structure, the position of the center of gravity of the washing machine 1 is adjusted, and a stable structure of the washing machine 1 is formed.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. A miniature drum washing machine, characterized by comprising:

a frame for supporting the outer tub;

2. The micro drum washing machine according to claim 1, wherein: the supporting column is a damping buffer column; and the projection of the support column on the lateral plane of the washing machine is vertical to the bottom plane of the washing machine.

3. The micro drum washing machine according to claim 2, wherein: the lower connection part of the supporting column is positioned at the gravity center of a side triangle of the washing machine formed by the balancing weight and the front and the rear bottom angles.

4. The micro drum washing machine according to claim 2 or 3, wherein: the upper connection part of the supporting column is positioned at the gravity center of a side triangle of the washing machine formed by the two balancing weights and the bottom angle.

5. The micro drum washing machine according to claim 3, wherein: the bottom of the supporting column is arranged between the bottom of the framework and the bottom support so as to reduce the gravity center of the washing machine.

6. The micro drum washing machine according to claim 2, wherein: the supporting column comprises a buffer piece and a connecting piece; wherein,

7. The micro drum washing machine according to claim 1, wherein: the bottom support comprises at least two bottom angles, and the bottom angles are in a circular arc shape and are positioned at the front part of the bottom support.

8. The micro drum washing machine according to claim 1, wherein: the bottom of the outer cylinder is extended in a protruding manner to form a hanging part, a first fixing hole is formed in the hanging part, and a second fixing hole is formed in the end part of the supporting column; and an external connecting piece penetrates through the first fixing hole and the second fixing hole to fixedly connect the hanging part with the supporting column.

9. The micro drum washing machine according to claim 1, wherein: the outer side wall of the outer barrel is extended with a connecting plate in a radial protruding manner, and the balancing weight is provided with a groove matched with the connecting plate; when the balancing weight is fixedly connected with the outer barrel, the connecting plate is located in the groove.

10. The micro drum washing machine according to claim 9, wherein: a positioning block is formed on the connecting plate, and a matched notch is formed in the groove; when the notch is clamped with the corresponding positioning block, the balancing weight is assembled to the corresponding position.