WO2019242513A1

WO2019242513A1 - Inner and outer drum fixing frame structure of drum washing machine, and drum washing machine

Info

Publication number: WO2019242513A1
Application number: PCT/CN2019/090492
Authority: WO
Inventors: 刘玉祯; 张纯锋; 肖磊; 苑传庆
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2018-06-19
Filing date: 2019-06-10
Publication date: 2019-12-26
Also published as: CN110616545B; CN110616545A

Abstract

An inner and outer drum fixing frame structure of a drum washing machine, and the drum washing machine. The inner and outer drum fixing frame structure of the drum washing machine comprises a supporting frame (1) provided for mounting an inner drum and an outer drum of the drum washing machine, and a plurality of counterweight blocks (2, 3) detachably provided on the supporting frame; the plurality of counterweight blocks (2, 3) is symmetrically distributed about a central axis of the inner drum and the outer drum of the drum washing machine.

Description

Internal and external cylinder fixing frame structure of drum washing machine and drum washing machine

This application claims priority from a Chinese patent application with a filing date of June 19, 2018 and application number 201810629681.6, the entire contents of which are incorporated herein by reference.

Technical field

The present disclosure relates to the technical field of washing equipment, for example, to an inner and outer cylinder fixing frame structure of a drum washing machine and a drum washing machine.

Background technique

The drum washing machines in the related art generally have the following two ways of fixing the inner and outer drums: The inner and outer drum assemblies of domestic drum washing machines are relatively small, generally using a hanging spring structure with a fixed shell support, and the inner and outer drum assemblies of the washing machine are suspended; industrial The inner and outer cylinder assembly of a washing machine is relatively heavy. Generally, a bracket is used to fix the inner and outer cylinder assembly. The bracket is made of welding and then fixed on the ground. The inner and outer cylinder assembly is rigidly connected to the bracket. The manufacturing process of the bracket is relatively complicated. Due to the large volume, a large storage space is required, and the welding place is susceptible to rust.

A general washing machine is provided with a base, and the base plays a supporting role. A spring is mounted on the base, and after the inner and outer cylinders are mounted on the bracket, the bracket is mounted on the spring. The center of gravity of the inner and outer drum assembly of the washing machine refers to the center of gravity of all the moving parts supported on the spring as a whole. Due to the existence of the bracket, the center of gravity of the inner and outer cylinder assembly is shifted downward from the center axis of the inner and outer cylinder, which makes the machine operate with greater vibration and noise, which increases the failure rate and reduces work efficiency.

Summary of the Invention

The disclosure provides a drum washing machine inner and outer drum fixing frame structure and a drum washing machine, which can solve the technical problems of complicated bracket structure and large space occupied in the related art, and the center of gravity of the inner and outer drum assembly being offset from the central axis of the inner and outer drum.

An inner and outer cylinder fixing frame structure of a drum washing machine includes a support frame provided to install the inner and outer cylinders of the drum washing machine, and a plurality of weight blocks detachably provided on the support frame. The central axis of the inner and outer drums of the drum washing machine is symmetrically distributed.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural view of one direction of an inner and outer cylinder fixing frame structure of a drum washing machine according to an embodiment; FIG.

2 is a schematic structural view of another direction of the inner and outer cylinder fixing frame structure of the drum washing machine according to an embodiment;

3 is an enlarged view at A of FIG. 2;

FIG. 4 is a partial structural schematic diagram of an inner and outer cylinder fixing frame structure of a drum washing machine according to an embodiment; FIG.

FIG. 5 is a partial structural schematic diagram of FIG. 4;

FIG. 6 is an enlarged view at B in FIG. 5;

7 is a schematic structural diagram of a left fixing plate of an inner and outer cylinder fixing frame structure of a drum washing machine according to an embodiment;

8 is a schematic structural diagram of a front fixing plate of an inner and outer cylinder fixing frame structure of a drum washing machine according to an embodiment;

9 is a schematic structural diagram of an upper left counterweight of a drum washing machine inner and outer cylinder fixing frame structure according to an embodiment;

FIG. 10 is a partial structural schematic diagram of a drum washing machine according to an embodiment.

In the picture:

10. Inside and outside cylinder;

1. Support frame; 2. Upper counterweight; 3. Lower counterweight; 4. Motor mounting frame; 5. Base; 6. Elastic parts;

11, left fixing plate; 12, right fixing plate; 13, front fixing plate; 14, rear fixing plate; 15, fastening band; 111, protrusion; 131, flange; 132, groove;

21, upper left counterweight; 22, upper right counterweight; 211, first mounting port; 212, first raised portion; 213, second raised portion;

31. Front lower weight block; 32. Rear lower weight block.

detailed description

Referring to FIGS. 1 to 9, this embodiment provides a structure for fixing the inner and outer cylinders of a drum washing machine. The structure for fixing the inner and outer cylinders of a drum washing machine includes a supporting frame 1 configured to install the inner and outer cylinders of the drum washing machine. There are counterweights, which are symmetrically distributed about the central axis of the inner and outer cylinders of the drum washing machine.

The support frame 1 is provided with counterweights symmetrically distributed about the central axis of the inner and outer cylinders of the drum washing machine. By adjusting the weight and position of the counterweights, the center of gravity of the inner and outer cylinders of the drum washing machine coincides with the central axis of the inner and outer drums of the drum washing machine. , And the front and back balance, improve the stability of the whole machine during operation; the weight block is detachably connected to the support frame 1 to facilitate assembly and disassembly, and improve production efficiency.

The support frame 1 includes a detachably attachable fixing plate and a fastening band 15, the inner and outer cylinders of the drum washing machine can be mounted on the fixing plate, the fastening band 15 is wound around the outer surface of the outer cylinder of the drum washing machine, and the fixing plate and the fastening band 15 cooperate It can support and fix the inner and outer drums of the drum washing machine.

The counterweight includes an upper counterweight 2 and a lower counterweight 3, a first end of the fastening band 15 is connected to the fixed plate, a second end of the fastening band 15 is connected to the upper counterweight 2, and a lower counterweight 3 Set on a fixed plate. By adjusting the weight of the upper weight block 2, the center of gravity of the inner and outer drum assembly of the drum washing machine coincides with the central axis of the inner and outer drum of the drum washing machine, and by adjusting the position of the lower weight block 3, the inner and outer drum assembly of the drum washing machine is balanced forward and backward to improve Stability when the whole machine is running.

The fixing plate includes a left fixing plate 11, a right fixing plate 12, a front fixing plate 13, and a rear fixing plate 14 which are detachably connected. The left fixing plate 11 and the right fixing plate 12 are opposite to each other, and the front fixing plate 13 and the rear fixing plate 14 are on the left. The fixing plate 11 and the right fixing plate 12 are disposed at a parallel interval.

The left fixing plate 11 has the same structure as the right fixing plate 12. The left fixing plate 11 is L-shaped. The first side of the left fixing plate 11 is arranged vertically, the second side of the left fixing plate 11 is arranged horizontally, and one end of the fastening band 15 is connected to the first side arranged vertically. The front fixing plate 13 and the rear fixing plate 14 have the same structure. One end of the front fixing plate 13 is located at the connection between the first vertical side and the second horizontal side of the left fixing plate 11. The contact area between the front fixing plate 13 and the left fixing plate 11 is increased to make the connection more stable. A flange 131 is provided at an edge of the front fixing plate 13 to facilitate connection and fixing. The upper surfaces of the front fixing plate 13 and the rear fixing plate 14 are set as arc-shaped surfaces matching the shape of the outer surface of the outer tub of the drum washing machine, which is convenient for installing the inner and outer drums of the drum washing machine.

As shown in FIG. 4, both ends of the front fixing plate 13 are respectively engaged with the left fixing plate 11 and the right fixing plate 12, and both ends of the rear fixing plate 14 are respectively engaged with the left fixing plate 11 and the right fixing plate 12. As shown in FIG. 5 to FIG. 7, a protrusion 111 is provided on the left fixing plate 11. In one embodiment, the protrusion 111 is a hook, and the front fixing plate 13 is provided with a groove 132 that cooperates with the protrusion 111. In one embodiment, the groove 132 is a clamping groove, and the protrusion 111 can cooperate with the groove 132. The groove 132 is formed on an edge of the flange 131.

As shown in FIG. 2, the upper counterweight 2 includes a left upper counterweight 21 and a right upper counterweight 22 that are symmetrically distributed about the central axis of the inner and outer drums of the drum washing machine. The firmware is connected, and the upper left weight block 21 and the upper right weight block 22 are connected to the fastening band 15 through fasteners. Therefore, the upper weight block 2 not only plays a role of counterweight, but also plays a connecting role, reducing the number of parts and simplifying the structure. In this embodiment, the fastener may be a bolt.

The upper left weight block 21 and the upper right weight block 22 have the same structure, and only the upper left weight block 21 is described here. The shape of the upper left weight block 21 is set in an arc-shaped plate shape that matches the outer surface of the outer tub of the drum washing machine. As shown in FIG. 9, a first mounting port 211 is provided on the upper left weight block 21 for receiving an end of the fastening tape 15. A first protrusion 212 is provided on one side of the first mounting port 211. A protrusion 212 is provided with a first hole. A second protruding portion 213 is also provided on the upper left weight block 21, and a second hole is formed in the second protruding portion 213. Both the first hole and the second hole are set as mounting fasteners, so that the upper left weight block 21 is provided. Connected to the fastening band 15 or connected to the upper right weight block 22, the first raised portion 212 and the second raised portion 213 are located on opposite sides of the upper left weight block 21.

As shown in FIGS. 2 and 4, the lower weight block 3 includes a front lower weight block 31 and a rear lower weight block 32. The two front lower weight blocks 31 are symmetrically distributed about the central axis of the inner and outer drums of the drum washing machine. The rear lower weights 32 are symmetrically distributed about the central axis of the inner and outer drums of the drum washing machine. The arrangement of the front lower weight block 31 and the rear lower weight block 32 is convenient for adjusting the front-rear balance of the inner and outer cylinder assemblies of the drum washing machine. As shown in FIGS. 1 and 2, a motor mounting bracket 4 is provided at the lower end of the rear fixing plate 14, and the motor mounting bracket 4 is configured to install a motor, so that the whole machine is heavy at the rear and light at the front, so by adjusting the front lower weight 31 and rear lower weight 32 make the whole machine balanced front and rear.

As shown in FIG. 2, four fastening bands 15 are provided. The lower ends of two fastening bands 15 are connected to the left fixing plate 11, the upper ends are connected to the upper left weight block 21, and the lower ends of the other two fastening bands 15 are connected to The right fixing plate 12 is connected, and the upper end is connected to the upper right weight block 22. The four fastening bands 15 are symmetrically distributed about the central axis of the inner and outer drums of the drum washing machine.

One of the front lower weights 31 is connected to the left fixing plate 11, the front fixing plate 13, and the fastening belt 15 at the same time, and one of the rear lower weights 32 is connected to the left fixing plate 11, the rear fixing plate 14, and the fastening belt 15 at the same time. connection. Therefore, the front lower weight block 31 and the rear lower weight block 32 not only function as a counterweight, but also function as a connection.

The structure and weight of the front lower weight block 31 and the rear lower weight block 32 are set according to actual needs and the size of the occupied space, which are not limited here. As shown in FIG. 5 and FIG. 6, the front lower weight 31 has a trapezoidal plate shape and is connected to the flange 131 of the front fixing plate 13. The flange 131 is connected to the left fixing plate 11 and the fastening band 15.

When the structure of the inner and outer cylinder fixing racks of the drum washing machine is installed, firstly, the grooves 132 at both ends of the front fixing plate 13 are simultaneously matched with the protrusions 111 of the left fixing plate 11 and the right fixing plate 12, and then a front lower weight 31 is placed in front. At the connection between the fixing plate 13 and the left fixing plate 11, the fastening band 15 is closely attached to the vertical side of the left fixing plate 11, and the left fixing plate 11, the front fixing plate 13, the front lower weight 31 and Fastening band 15. The installation of the right fixing plate 12 and the rear lower weight block 32 is similar to this, and is not repeated here.

In addition, as shown in FIG. 1, the inner and outer cylinder fixing frame structure of the drum washing machine further includes a base 5. An elastic member 6 is provided on the base 5, and the left fixing plate 11 and the right fixing plate 12 are both connected to the elastic member 6. In this embodiment, four elastic members 6 are evenly arranged on the base 5 to maintain balance.

Referring to FIG. 10, this embodiment further provides a drum washing machine, which includes an inner and outer drum 10 and the above-mentioned inner and outer drum fixing structure of the drum washing machine. The inner and outer drum 10 is installed on the inner and outer drum fixing structure of the drum washing machine. The inner and outer drum fixing frame structure of the drum washing machine is detachable as a whole, which facilitates assembly and improves production efficiency; by setting weights on the support frame 1 symmetrically distributed about the central axis of the inner and outer drums of the drum washing machine, by adjusting the weight and position of the weights In this way, the center of gravity of the inner and outer drum assembly of the drum washing machine coincides with the center axis of the inner and outer drum, and the front and back balance, which improves the stability of the whole machine during operation.

Claims

An inner and outer cylinder fixing frame structure of a drum washing machine includes a support frame (1) provided to install the inner and outer cylinders of the drum washing machine, and a plurality of weight blocks detachably provided on the support frame (1). The weights are symmetrically distributed about the central axis of the inner and outer cylinders of the drum washing machine.
The fixed structure of the inner and outer cylinder of the drum washing machine according to claim 1, wherein the support frame (1) comprises a detachably connected fixing plate and a fastening band (15), and the weight block includes an upper weight block ( 2) and a lower weight (3), a first end of the fastening band (15) is connected to the fixing plate, and a second end of the fastening band (15) is connected to the upper weight ( 2) connection, the lower weight block (3) is arranged on the fixed plate;
The fixed structure of the inner and outer cylinders of the drum washing machine according to claim 2, wherein the upper weight (2) comprises an upper left weight (21) and an upper right weight which are symmetrically distributed about a central axis of the inner and outer cylinders of the drum washing machine. A weight (22), the upper left weight (21) and the upper right weight (22) are connected by a first fastener, the upper left weight (21) and the upper right The block (22) is connected to the fastening band (15) by a second fastener.
The inner and outer cylinder fixing frame structure of the drum washing machine according to claim 3, wherein the fixing plate comprises a left fixing plate (11), a right fixing plate (12), a front fixing plate (13) and a rear fixing plate which are detachably connected. (14) The left fixing plate (11) and the right fixing plate (12) are oppositely disposed, and the front fixing plate (13) and the rear fixing plate (14) are located on the left fixing plate (11) It is arranged in parallel with the right fixing plate (12).
The inner and outer cylinder fixing frame structure of the drum washing machine according to claim 4, wherein the first end of the front fixing plate (13) is engaged with the left fixing plate (11), and the front fixing plate (13) The second end is engaged with the right fixing plate (12), the first end of the rear fixing plate (14) is engaged with the left fixing plate (11), and the second end of the rear fixing plate (14) The end is engaged with the right fixing plate (12).
The inner and outer cylinder fixing frame structure of the drum washing machine according to claim 5, wherein the left fixing plate (11) has the same structure as the right fixing plate (12), and the left fixing plate (11) is provided with a protrusion ( 111), the front fixing plate (13) is provided with a groove (132) that cooperates with the protrusion (111).
The fixed structure of the inner and outer cylinder of the drum washing machine according to claim 4, wherein the lower weight (3) comprises two front lower weights (31) and two rear lower weights (32), so that The two front lower weights (31) are symmetrically distributed about the central axis of the inner and outer drums of the drum washing machine, and the two rear lower weights (32) are symmetrically distributed about the central axis of the inner and outer drums of the drum washing machine.
The inner and outer cylinder fixing frame structure of a drum washing machine according to claim 7, wherein the fastening band (15) comprises two first fastening bands and two second fastening bands, and the two first fastening bands The lower end of the belt is connected to the left fixing plate (11), the upper ends of the two first fastening belts are connected to the upper left weight block (21), and the lower ends of the two second fastening belts are connected to all The right fixing plate (12) is connected, and the upper ends of the two second fastening bands are connected to the upper right weight (22).
The fixed structure of the inner and outer cylinder of the drum washing machine according to claim 8, wherein one of the front lower weights (31) is simultaneously with the left fixing plate (11), the front fixing plate (13), and among them One of the first fastening straps is connected, and one of the rear lower weights (32) is simultaneously connected to the left fixing plate (11), the rear fixing plate (14), and one of the other first fastening pieces. Fixed tape connection.
A drum washing machine includes an inner and outer drum (10) and the inner and outer drum fixing frame structure of the drum washing machine according to any one of claims 1-9, the inner and outer drum (10) is installed on the inner and outer cylinder fixing frame structure of the drum washing machine on.