CN112301676A

CN112301676A - Drum washing machine

Info

Publication number: CN112301676A
Application number: CN201910706585.1A
Authority: CN
Inventors: 张志强; 胡盟奇; 苏谦; 王洪齐
Original assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Electric Appliance Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2021-02-02
Anticipated expiration: 2039-08-01
Also published as: CN112301676B

Abstract

The invention belongs to the field of washing machines, and particularly relates to a drum washing machine. The invention aims to solve the problem that a drain pipe positioned outside a shell is easy to collide with other objects in the transportation process, so that the drain pipe is damaged. The drum washing machine of the present invention includes a casing, a drain pipe and a bracket. The bracket is connected with the side wall of the shell, and a first mounting groove and a second mounting groove are arranged on the bracket at intervals. Through the setting, in the transportation, can establish the drain pipe card in first mounting groove, establish the power cord card in the second mounting groove to the realization is to the fixed of drain pipe and power cord, and then avoids drain pipe and external object contact in the transportation, in order to avoid the drain pipe to damage.

Description

Drum washing machine

Technical Field

The invention belongs to the field of washing machines, and particularly relates to a drum washing machine.

Background

The drum washing machine comprises an inner drum, an outer drum, a drain pipe and a shell; the urceolus and inner tube all set up in the shell to the rotatable setting of inner tube is provided with the mounting hole inside the urceolus on the shell, and the one end of drain pipe passes the mounting hole and communicates with the urceolus, and the other end of drain pipe is located the outside of shell. When the drum washing machine works, clothes are placed in the inner drum, and water is injected into the inner drum; then, the driving device drives the inner drum to rotate in the outer drum so as to wash the clothes; after washing, the water in the outer tub is drained through a drain pipe.

Above-mentioned drum type washing machine, in the transportation, the drain pipe that is located the casing outside collides with other objects easily, leads to damaging.

Accordingly, there is a need in the art for a new drum washing machine to solve the above problems.

Disclosure of Invention

In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that the drain pipe located outside the casing is likely to collide with other objects during transportation of the existing drum washing machine, which results in damage, an embodiment of the present invention provides a drum washing machine, including: the water draining device comprises a shell, a water draining pipe and a bracket; the support is connected with the side wall of the shell, a first mounting groove and a second mounting groove are formed in the support at intervals, the drain pipe is arranged outside the shell, one end of the drain pipe is connected with the shell, and part of the drain pipe is clamped in the first mounting groove; the second mounting groove is used for accommodating a power line.

In the preferred technical scheme of the drum washing machine, the bracket comprises a first clamping plate, a second clamping plate and a connecting plate for connecting the first clamping plate and the second clamping plate, the first clamping plate and the second clamping plate are arranged in parallel and at intervals, the connecting plate is arranged between the first clamping plate and the second clamping plate, and the connecting plate is connected with the shell; the first clamping connection plate and the second clamping connection plate are provided with the first mounting groove and the second mounting groove respectively.

In a preferred embodiment of the drum washing machine, the connecting plate is detachably connected to the housing.

In the above preferred technical solution of the drum washing machine, the connection plate is provided with a first connection hole, the housing is provided with a second connection hole, and the connection bolt is inserted into the first connection hole and the second connection hole.

In a preferred technical solution of the above drum washing machine, the drum washing machine further includes a reinforcement, a fixing portion is provided at a tail end of the reinforcement, and a third connection hole is provided on the fixing portion; the fixing part is clamped between the connecting plate and the shell, and the connecting bolt is further arranged in the third connecting hole in a penetrating mode; the reinforcing member is attached to the side wall of the outer case.

In the above preferred technical solution of the drum washing machine, a flange protruding toward the housing is provided at the end of the connecting plate, and a clamping block is provided inside the flange; the side face of the fixing portion, facing the shell, is provided with a clamping groove extending along the side parallel to the shell, and the clamping block is clamped in the clamping groove.

In a preferred technical solution of the above drum washing machine, the drum washing machine further includes a fixing bolt and an outer drum, the outer drum is disposed inside the outer casing, and the outer drum is provided with a fixing threaded hole; the shell is provided with a first fixing hole, the reinforcing piece is provided with a second fixing hole, and the fixing bolt penetrates through the first fixing hole and the second fixing hole to be matched with the fixing threaded hole.

In above-mentioned drum type washing machine's preferred technical scheme, fixing bolt includes cylinder, nut and protective sheath, the cylinder with the nut is connected, the cylinder includes the orientation the first section of nut and deviating from the second section of nut, be provided with fixed external screw thread on the second section, the protective sheath is established in the first section.

In a preferred embodiment of the drum washing machine, the reinforcement is a metal member.

In a preferred embodiment of the drum washing machine, the number of the brackets is plural, and the plural brackets are disposed at intervals along an edge of the side wall of the casing.

As can be understood by those skilled in the art, the drum washing machine according to the embodiment of the present invention includes a housing, a drain pipe, and a bracket. The bracket is connected with the side wall of the shell, and a first mounting groove and a second mounting groove are arranged on the bracket at intervals. Through the setting, in the transportation, can establish the drain pipe card in first mounting groove, establish the power cord card in the second mounting groove to the realization is to the fixed of drain pipe and power cord, and then avoids drain pipe and external object contact in the transportation, in order to avoid the drain pipe to damage.

Drawings

A preferred embodiment of a drum washing machine according to the present invention will be described with reference to the accompanying drawings in conjunction with the drum washing machine. The attached drawings are as follows:

fig. 1 is a schematic structural diagram of a drum washing machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the bracket and the housing of the drum washing machine according to the embodiment of the present invention;

FIG. 3 is a first schematic structural view of the stent of FIG. 2;

fig. 4 is a structural schematic diagram two of the bracket in fig. 2.

Description of reference numerals:

10: a housing;

20: a power line;

30: a support;

40: a reinforcement;

50: fixing the bolt;

60: a connecting bolt;

70: a drain pipe;

101: a second connection hole;

102: a first fixing hole;

301: a first clamping connection plate;

302: a second clamping plate;

303: a connecting plate;

304: a first mounting groove;

305: a second mounting groove;

306: a first connection hole;

307: a clamping block;

401: a third connection hole;

402: a card slot;

403: a second fixing hole;

501: a nut;

502: a cylinder;

503: and (6) a protective sleeve.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.

Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the direction or positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that a device or a member must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The preferred technical solution of the drum washing machine of the present invention is described below with reference to the above drum washing machine.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a drum washing machine according to an embodiment of the present invention; FIG. 2 is a schematic view of the connection between the bracket and the housing of the drum washing machine according to the embodiment of the present invention; FIG. 3 is a first schematic structural view of the stent of FIG. 2; fig. 4 is a structural schematic diagram two of the bracket in fig. 2. As shown in fig. 1 to 4, the present embodiment provides a drum washing machine including: a housing 10, a drain pipe 70, and a bracket 30; the bracket 30 is connected with the side wall of the casing 10, a first mounting groove 304 and a second mounting groove 305 are arranged on the bracket 30 at intervals, the drain pipe 70 is arranged outside the casing 10, one end of the drain pipe 70 is connected with the casing 10, and part of the drain pipe 70 is clamped in the first mounting groove 304; the second mounting groove 305 is used for accommodating the power cord 20.

In this embodiment, the drum washing machine further includes an outer drum and an inner drum, both of which are disposed in the housing 10, and the inner drum is disposed inside the outer drum, and the inner drum is rotatably connected to the outer drum; the central lines of the outer barrel and the inner barrel are parallel to the horizontal plane or have a certain included angle with the horizontal plane, an opening is formed in the first side wall of the shell 10, the bottom ends of the outer barrel and the inner barrel are closed, and the top ends of the outer barrel and the inner barrel are arranged towards the opening so that clothes can be placed in the inner barrel through the opening or taken out of the inner barrel through the opening. Specifically, a sealing door is provided on the casing 10, and the sealing door is hinged to the casing 10 and is used for sealing the opening so as to prevent the clothes in the inner tub from falling from the opening when the drum washing machine is in operation.

In this embodiment, the side wall of the inner cylinder is provided with holes, so that water can be injected into the outer cylinder during operation, and the water flows into the inner cylinder through the holes and further contacts with the clothes in the inner cylinder. Specifically, a mounting hole is provided on a side wall of the casing 10, a drain port communicating with the inside of the outer tub is provided at a lower portion of the outer tub, and one end of the drain pipe 70 passes through the mounting hole to communicate with the drain port, so that water in the outer tub and the inner tub is drained through the drain pipe 70 after washing is finished. The mounting hole may be provided on the first side wall, or the mounting hole may be provided on a second side wall opposite to the first side wall, or the mounting hole may be provided on a third side wall located between the first side wall and the second side wall.

The bracket 30 is disposed on a sidewall of the housing 10 in this embodiment, and specifically, the bracket 30 may be disposed on the same sidewall as the mounting hole; preferably, the bracket 30 and the mounting hole are both disposed on a second sidewall opposite the first sidewall.

In this embodiment, the structure of the bracket 30 may be various, as long as the bracket 30 is ensured to have the first mounting groove 304 and the second mounting groove 305 arranged at intervals; for example: the bracket 30 may include a fixing plate which is vertically disposed with the side wall of the housing 10 and is parallel to the horizontal plane; a first mounting groove 304 and a second mounting groove 305 are arranged at an interval at one end of the fixing plate, which is far away from the shell 10; specifically, the fixing plate may be connected to the housing 10 by welding, but the fixing plate may also be integrally formed with the housing 10 by casting or injection molding. Of course, the bracket 30 may further include a metal pillar, both ends of which may be connected with the housing 10 by welding, and the metal pillar is bent to form the first mounting groove 304 and the second mounting groove 305.

In this embodiment, the power cord 20 is used for supplying power to each electric device of the drum washing machine, and the power cord 20 is clamped in the second mounting groove 305, so that the power cord 20 is prevented from being damaged due to the fact that the power cord 20 is in contact with an external object in the transportation process.

Preferably, the first installation groove 304 is reasonably provided with a cross-sectional dimension, so that when the drain pipe 70 is clamped in the first installation groove 304, the drain pipe 70 is in interference fit with the installation groove to avoid the drain pipe 70 being separated from the first installation groove 304 in the transportation process. Similarly, the reasonable cross-sectional dimension of the second mounting groove 305 can prevent the power cord 20 from being separated from the second mounting groove 305 during transportation by providing the power cord 20 in the second mounting groove 305 in an interference fit manner when the power cord 20 is clamped in the second mounting groove 305.

With continued reference to fig. 1, in the present embodiment, the bracket 30 may be multiple, and a plurality of brackets 30 are disposed at intervals along the side wall edge of the housing 10. So set up, can establish the drain pipe 70 card in the first mounting groove 304 on each support 30, the edge setting of drain pipe 70 encircleing the shell 10 lateral wall can be fixed for all drain pipes 70 of shell 10 outside, further avoids drain pipe 70 and external object contact in the transportation, further avoids drain pipe 70 to be damaged. Similarly, the power lines 20 can be clamped in the second mounting grooves 305 of the brackets 30, the power supply is arranged around the edge of the side wall of the housing 10, all the power lines 20 outside the housing 10 can be fixed, the power lines 20 are further prevented from contacting with external objects in the transportation process, and the power lines 20 are further prevented from being damaged.

Specifically, the number of the brackets 30 is not limited in this embodiment, for example: the number of brackets 30 may be two, three, four, etc. Preferably, the number of the brackets 30 is even, and a plurality of the brackets 30 are symmetrically disposed on the side wall of the housing 10.

The manufacturing process of the drum washing machine provided by the embodiment comprises the following steps: after the drum washing machine is assembled, the drain pipe 70 is inserted into the first mounting groove 304, the power line 20 is inserted into the second mounting groove 305, and then the drum washing machine is placed in the packing case to transport the drum washing machine.

In the drum washing machine provided by the present embodiment, the bracket 30 is connected to the sidewall of the casing 10, the bracket 30 is provided with a first mounting groove 304 and a second mounting groove 305 at intervals, the drain pipe 70 is disposed outside the casing 10, one end of the drain pipe 70 is connected to the casing 10, and the drain pipe 70 is clamped in the first mounting groove 304; the power cord 20 is connected with the electric equipment in the drum washing machine, and the power cord 20 is clamped in the second mounting groove 305; the bracket 30 may fix the drain pipe 70 during transportation to prevent the drain pipe 70 from contacting an external object, thereby preventing the drain pipe 70 from being damaged.

With continued reference to fig. 3 and 4. In this embodiment, the bracket 30 includes a first clamping plate 301, a second clamping plate 302, and a connecting plate 303 connecting the first clamping plate 301 and the second clamping plate 302, the first clamping plate 301 and the second clamping plate 302 are arranged in parallel and at an interval, the connecting plate 303 is arranged between the first clamping plate 301 and the second clamping plate 302, and the connecting plate 303 is connected to the housing 10; first mounting groove 304 and second mounting groove 305 are provided on both first clamping plate 301 and second clamping plate 302. The first clamping plate 301 and the second clamping plate 302 can fix the drain pipe 70 and the power line 20 at the same time to further prevent the drain pipe 70 and the power line 20 from contacting with external objects.

Specifically, the first clamping plate 301 and the second clamping plate 302 may be perpendicular to the side wall of the housing 10, and certainly, may have a certain included angle with the side wall of the housing 10, as long as the connection of the drain pipe 70 and the power line 20 with the first clamping plate 301 and the second clamping plate 302 is not affected. It is to be noted that the center line of first mounting groove 304 provided on first card plate 301 is arranged collinearly with the center line of first mounting groove 304 provided on second card plate 302, and likewise, the center line of second mounting groove 305 provided on first card plate 301 is arranged collinearly with the center line of second mounting groove 305 provided on second card plate 302.

In this embodiment, the connecting plate 303 and the first clamping plate 301 and the second clamping plate 302 may be connected by welding, but the connecting plate 303 and the first clamping plate 301 and the second clamping plate 302 may also be integrally formed by casting or injection molding.

In this embodiment, the connection plate 303 is detachably connected to the housing 10. With such an arrangement, the bracket 30 can be detached from the casing 10 during the use of the drum washing machine, so as to prevent the bracket 30 from occupying space.

In this embodiment, the detachable connection between the connection plate 303 and the housing 10 may be various, for example: a clamping block can be arranged on the connecting plate 303, a clamping groove is correspondingly arranged on the side wall of the shell 10, and the clamping block is clamped in the clamping groove to realize the connection between the connecting plate 303 and the shell 10; of course, it is also possible to provide slots on the housing 10, and correspondingly insert part of the connection plate 303 into the slots, so as to complete the connection between the connection plate 303 and the housing 10.

With continued reference to fig. 2-4, in the present embodiment, preferably, the connecting plate 303 is provided with a first connecting hole 306, the housing 10 is provided with a second connecting hole 101, and the connecting bolt 60 is inserted into the first connecting hole 306 and the second connecting hole 101. The detachable connection between the connection plate 303 and the housing 10 is realized by the connection bolt 60, the structure is simple, and the connection is reliable.

Further, a plurality of first connection holes 306 are arranged on the connection plate 303 at intervals, correspondingly, a plurality of second connection holes 101 are arranged on the housing 10, each first connection hole 306 is opposite to one second connection hole 101, and a connection bolt 60 is arranged in each first connection hole 306 and the second connection hole 101 opposite to the first connection hole 306; the plurality of coupling bolts 60 may improve the coupling strength between the coupling plate 303 and the housing 10.

With continued reference to fig. 1 and 2, in the present embodiment, the drum washing machine further includes a reinforcing member 40, a fixing portion is disposed at a terminal of the reinforcing member 40, and a third connecting hole 401 is disposed on the fixing portion; the fixing portion is clamped between the connecting plate 303 and the housing 10, and the connecting bolt 60 is further inserted into the third connecting hole 401; the reinforcing member 40 is attached to the sidewall of the outer case 10. The reinforcing member 40 may protect the housing 10 from damage to the housing 10 caused by contact between external objects and the housing 10.

Preferably, the reinforcing member 40 may have a plate shape, or the reinforcing member 40 may have a regular shape such as a cylindrical shape or a prismatic shape, although the reinforcing member 40 may have other irregular shapes.

Specifically, when there are a plurality of brackets 30, fixing portions may be provided at both ends of the reinforcing member 40, the fixing portions each being provided with a third connecting hole 401, one of the fixing portions being provided between one of the brackets 30 and the housing 10, and the bracket 30, the fixing portion, and the housing 10 being connected together by the connecting bolt 60; similarly, another fixing portion is provided between the other bracket 30 and the housing 10, and the bracket 30, the fixing portion, and the housing 10 are connected together by the connecting bolt 60. Both ends of the reinforcing member 40 are connected to the housing 10 by the connecting bolts 60, so that the rigidity of the side wall of the housing 10 can be improved to prevent the side wall of the housing 10 from deforming after being stressed.

Preferably, the reinforcing member 40 may be provided in plurality, and a plurality of reinforcing members 40 are arranged at intervals, and accordingly, two brackets 30 are provided for each reinforcing member 40 to fix both ends of the reinforcing member 40 to the casing 10.

Specifically, the reinforcing member 40 may be a non-metal member mainly made of a non-metal material such as plastic or rubber; in the present embodiment, the reinforcing member 40 is preferably a metal member mainly made of a metal material such as copper, iron, or aluminum; with this arrangement, it is possible to ensure that the reinforcing member 40 has high strength.

Continuing with fig. 2-4, in this embodiment, the end of the connecting plate 303 is provided with a flange protruding toward the housing 10, and the inner side of the flange is provided with a latch 307; a side surface of the fixing portion facing the housing 10 is provided with a catching groove 402 extending in parallel to the housing 10 side, and the catching block 307 is caught in the catching groove 402. Besides the connection of the reinforcing element 40 and the bracket 30 through the connecting bolt 60, the reinforcing element 40 and the bracket 30 are also connected through the fixture blocks 307 and the fixture grooves 402, so that the connection strength between the reinforcing element 40 and the bracket 30 is further improved. In addition, during assembly, the latch 307 may be first latched in the latch groove 402 to achieve pre-assembly between the bracket 30 and the reinforcement 40, and then the bracket 30 and the reinforcement 40 are integrally mounted on the housing 10 by the connecting bolt 60, so as to facilitate assembly of the drum washing machine.

With continued reference to fig. 2, in the present embodiment, the drum washing machine further includes a fixing bolt 50 and an outer drum, the outer drum is disposed inside the casing 10, and a fixing threaded hole is provided on the outer drum; the housing 10 is provided with a first fixing hole 102, the reinforcement 40 is provided with a second fixing hole 403, and the fixing bolt 50 passes through the first fixing hole 102 and the second fixing hole 403 to be matched with the fixing threaded hole. It should be noted that, during the use process, the fixing bolt 50 needs to be detached to prevent the fixing bolt 50 from affecting the operation of the drum washing machine. So set up, can realize fixing between urceolus and the shell 10 through fixing bolt 50, and then avoid the urceolus to rock in shell 10 in the transportation, and then avoid taking place between urceolus and the shell 10 to collide with. In addition, the fixing bolt 50 presses the reinforcement 40 against the outer shell 10 during transportation to further improve the strength of the connection between the outer shell 10 and the reinforcement 40.

Specifically, the number of the fixing bolts 50 may be plural, and accordingly, a plurality of first fixing holes 102 are provided at intervals on the housing 10, a plurality of second fixing holes 403 are provided on the reinforcing member 40, and a plurality of fixing threaded holes are provided on the outer cylinder; each fixing bolt 50 is inserted into one first fixing hole 102 and the corresponding second fixing hole 403 of the first fixing hole 102, and is engaged with one first fixing threaded hole. This arrangement can further improve the strength of the connection between the outer cylinder and the housing 10.

With reference to fig. 2, in the present embodiment, the fixing bolt 50 includes a cylinder 502, a nut 501 and a protecting sleeve 503, the cylinder 502 is connected to the nut 501, the cylinder 502 includes a first section facing the nut 501 and a second section facing away from the nut 501, the second section is provided with a fixing external thread, and the protecting sleeve 503 is sleeved on the first section. With this arrangement, the column 502 is in contact with the first fixing hole 102 and the second fixing hole 403 through the protective sleeve 503, and the contact area between the column 502 and the first fixing hole 102 and the second fixing hole 403 can be increased compared to the case where the column 502 is in direct contact with the first fixing hole 102 and the second fixing hole 403, so as to prevent the first fixing hole 102 and the second fixing hole 403 from being deformed.

Specifically, the protective cover 503 may be mainly made of plastic, rubber, or the like.

To sum up, the drum washing machine according to the embodiment of the present invention includes a housing 10, a drain pipe 70, and a bracket 30. The bracket 30 is coupled to a sidewall of the housing 10, and the bracket 30 is provided with a first mounting groove 304 and a second mounting groove 305 at an interval. Through the above arrangement, in the transportation process, the drain pipe 70 can be clamped in the first mounting groove 304, and the power line 20 can be clamped in the second mounting groove 305, so that the drain pipe 70 and the power line 20 can be fixed, and the drain pipe 70 is prevented from contacting with an external object in the transportation process, so that the drain pipe 70 is prevented from being damaged.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A drum washing machine characterized by comprising: the water draining device comprises a shell, a water draining pipe and a bracket; the support is connected with the side wall of the shell, a first mounting groove and a second mounting groove are formed in the support at intervals, the drain pipe is arranged outside the shell, one end of the drain pipe is connected with the shell, and part of the drain pipe is clamped in the first mounting groove; the second mounting groove is used for accommodating a power line.

2. A drum washing machine according to claim 1, characterized in that the bracket comprises a first clamping plate, a second clamping plate and a connecting plate connecting the first clamping plate and the second clamping plate, the first clamping plate and the second clamping plate are arranged in parallel and at intervals, the connecting plate is arranged between the first clamping plate and the second clamping plate, and the connecting plate is connected with the housing;

the first clamping connection plate and the second clamping connection plate are provided with the first mounting groove and the second mounting groove respectively.

3. A drum washing machine according to claim 2, characterized in that the connection plate is detachably connected with the casing.

4. A drum washing machine according to claim 3, characterized in that the connecting plate is provided with a first connecting hole, the housing is provided with a second connecting hole, and a connecting bolt is inserted into the first connecting hole and the second connecting hole.

5. A drum washing machine according to claim 4, characterized in that the drum washing machine further comprises a reinforcement member, the end of the reinforcement member is provided with a fixing portion, and the fixing portion is provided with a third connecting hole; the fixing part is clamped between the connecting plate and the shell, and the connecting bolt is further arranged in the third connecting hole in a penetrating mode; the reinforcing member is attached to the side wall of the outer case.

6. A drum washing machine according to claim 5, characterized in that the end of the connecting plate is provided with a flange protruding towards the shell, and the inner side of the flange is provided with a fixture block; the side face of the fixing portion, facing the shell, is provided with a clamping groove extending along the side parallel to the shell, and the clamping block is clamped in the clamping groove.

7. A drum washing machine according to claim 5, characterized in that the drum washing machine further comprises a fixing bolt and an outer drum, the outer drum is arranged inside the outer shell, and a fixing threaded hole is arranged on the outer drum; the shell is provided with a first fixing hole, the reinforcing piece is provided with a second fixing hole, and the fixing bolt penetrates through the first fixing hole and the second fixing hole to be matched with the fixing threaded hole.

8. A drum washing machine according to claim 7, characterized in that the fixing bolt comprises a cylinder, a nut and a protecting sleeve, the cylinder is connected with the nut, the cylinder comprises a first section facing the nut and a second section facing away from the nut, the second section is provided with a fixing external thread, and the protecting sleeve is sleeved on the first section.

9. A drum washing machine according to claim 5, characterized in that the reinforcement is a metal piece.

10. A drum washing machine according to any one of claims 1-9, characterized in that the rack is plural, and the plural racks are arranged at intervals along the edge of the side wall of the casing.