A housing structure of a laundry treatment device and a laundry treatment device

Abstract

The present invention relates to a housing structure of a laundry treatment device and a laundry treatment device. The housing structure includes a rear U-shaped plate, which is bent through two vertical flanges to form a cross-section in the shape of "U" and encloses the left and right side walls and the rear wall of the housing of the laundry treatment device; at least one handle part is respectively provided on the left and right side walls of the housing, and a ventilation opening communicating with the inside of the housing is further provided on the rear U-shaped plate. By setting the housing of the laundry treatment device to include a rear U-shaped plate for the left and right side walls and the rear wall, the housing structure of the machine body is simplified, the strength is improved, and the assembly efficiency is enhanced; at the same time, a ventilation opening is integrally provided on the rear U-shaped plate, which is beneficial to the dissipation of heat and ventilation inside the washing machine; furthermore, the air duct provided inside the machine body is connected to the ventilation opening to achieve the purpose of gas exchange with the outside through the ventilation opening provided on the housing. At the same time, the structure of the present invention is simple, the effect is remarkable, and it is suitable for popularization and use.

Description

Technical Field

[0001] The present invention relates to the field of clothing treatment devices, and particularly to a clothing treatment device having two clothing treatment drums, and particularly to a housing structure applied to the above-mentioned clothing treatment device. Background Art

[0002] As household appliances, clothing treatment devices have been widely used in people's lives. There are also various types of housing structures for clothing treatment devices. Some housing structures of clothing treatment devices are integral structures, and some are multi-piece assembled structures. The housing structure of the integral structure clothing treatment device has the disadvantages of high processing cost and high requirements for material properties. Due to the connection method, the housing structure of the multi-piece assembled clothing treatment device often has problems such as difficult forming and low strength.

[0003] The housing of the clothing treatment device is generally composed of a support frame with a certain strength covered by a housing cover plate. In the existing clothing treatment device, generally, multiple support rods are used to form the edges of a cuboid to enclose the cuboid, and then the contact points of the respective support rods are fixed to form the support frame of the clothing treatment device.

[0004] For example, in the Chinese patent with the patent number 200920241062.6, a housing of a clothing treatment device, its structure includes a front panel, a rear panel, a left side panel, and a right side panel. The upper frame composed of a left upper beam, an upper front beam, and a right upper beam is fixedly connected to the top of the rear panel; the lower frame composed of a left lower beam, a lower front beam, and a right lower beam is fixedly connected to the bottom of the rear panel; the left side panel is fixedly installed between the left upper beam and the left lower beam, the front panel is fixedly installed between the upper front beam and the lower front beam, and the right side panel is fixedly installed between the right upper beam and the right lower beam.

[0005] However, when the existing support frame is applied to a double-drum clothing treatment device, the provided support strength is insufficient and cannot provide sufficient installation support strength for the upper and lower two drums.

[0006] In view of this, the present invention is specifically proposed. Summary of the Invention

[0007] The purpose of the present invention is to provide a housing structure of a clothing treatment device to effectively support and cover two clothing treatment drums placed one above the other; another purpose is to achieve the purpose of convenient handling of the clothing treatment device; and yet another purpose is to provide a housing structure of a clothing treatment device to reasonably set ventilation channels on the machine body and reduce the temperature inside the machine housing. To achieve the purpose of the invention, the following technical solutions are adopted:

[0008] A housing structure of a clothing treatment device, which includes a rear U-shaped plate. After being bent by two vertical flanges, the rear U-shaped plate forms a "U"-shaped cross-section, enclosing the left and right side walls and the rear wall of the housing of the clothing treatment device. At least one handle part is respectively provided on the left and right side walls of the housing, and a ventilation opening communicating with the inside of the housing is also provided on the rear U-shaped plate.

[0009] Furthermore, the left and right side walls of the housing are symmetrically arranged relative to the vertical central dividing line of the rear U-shaped plate; at least two handle parts are respectively provided in the middle of the left and right side walls of the housing, and each handle part is arranged at the same horizontal height of the rear U-shaped plate; preferably, one handle part is respectively provided on the left side and the right side of the left and right side walls of the housing.

[0010] Furthermore, the handle part includes a handle body fixedly installed on the rear U-shaped plate. A groove recessed towards the inside of the clothing treatment device is provided on the handle body, and the opening of the groove is arranged towards the outside of the clothing treatment device; preferably, the opening of the groove is arranged towards the outside of the clothing treatment device and is inclined downward.

[0011] Furthermore, a first clothing treatment cylinder and a second clothing treatment cylinder are stacked up and down in the clothing treatment device, and the handle part is arranged at the height between the first clothing treatment cylinder and the second clothing treatment cylinder.

[0012] Furthermore, the ventilation opening is arranged at the upper part of the left or right side wall of the clothing treatment device formed by the rear U-shaped plate and is connected to the end of the air duct provided in the clothing treatment device, so that external air can flow relatively with the inside of the air duct through the ventilation opening; preferably, a grid-shaped shielding cover is provided at the ventilation opening, and the grid-shaped shielding cover is correspondingly installed to cover the ventilation opening to prevent external water flow from flowing into the inside of the housing of the clothing treatment device.

[0013] Furthermore, the grid-shaped shielding cover includes a plurality of horizontally spaced transverse shielding ribs. Each transverse shielding rib is inclined gradually from the upper side to the lower side towards the outside of the housing of the clothing treatment device to guide the external water flow of the clothing treatment device to flow around the ventilation opening along the transverse shielding rib; preferably, the upper sides of each transverse shielding rib are arranged in the same vertical plane, and the lower sides of each transverse shielding rib and the upper sides of the adjacent lower transverse shielding ribs are respectively spaced by a certain gap to ensure that the air flow passes through the ventilation opening through the gap; further preferably, the lower sides of each transverse shielding rib are lower than or flush with the height of the adjacent lower transverse shielding rib.

[0014] Furthermore, both ends of each transverse shielding rib are respectively fixed to a support ring. The outer circumference of the support ring is equal to the aperture of the ventilation opening and is correspondingly sealed and connected; preferably, at least one vertically extending vertical shielding rib is also provided on the grid-shaped shielding cover. Both ends of each vertical shielding rib are respectively fixedly connected to the support ring, and the vertical shielding rib sequentially penetrates through each transverse shielding rib and is fixedly connected; further preferably, the grid-shaped shielding cover and the rear U-shaped plate of the clothing treatment device are integrally provided.

[0015] Further, a plurality of pressings are respectively arranged on the left side wall and the right side wall of the clothing treatment device at intervals from top to bottom, and the pressings arranged on the left side wall and the right side wall are symmetrically arranged; preferably, at least part of the ventilation opening overlaps with a pressing on the side wall of the clothing treatment device; more preferably, a pressing is respectively arranged adjacent to the upper and lower sides of the handle part.

[0016] Further, a plurality of screw holes are arranged at the bottoms of the left side wall and the right side wall of the clothing treatment device at horizontal intervals for the rear U-shaped plate to be fixedly connected to the support frame of the clothing treatment device through screws passing through the screw holes; preferably, a drain port is arranged on one side at the lower end of the rear side wall of the clothing treatment device, a water inlet is arranged on one side at the upper end of the rear side wall, and a power cord installation port is arranged on the other side; more preferably, a maintenance installation port is further arranged on the rear side wall, a rear back cover plate is detachably installed on the rear U-shaped plate, and the rear back cover plate fixedly installed correspondingly covers the maintenance installation port.

[0017] The present invention further relates to a clothing treatment device, which is provided with a first clothing treatment cylinder and a second clothing treatment cylinder for treating clothes, and is installed with the housing structure described in any one of the above.

[0018] Adopting the above technical solutions, the advantages of the present invention over the prior art are as follows:

[0019] By setting the housing of the clothing treatment device to include a rear U-shaped plate with left and right side walls and a rear wall, the housing structure of the machine body is simplified, the strength is improved, and the assembly efficiency is improved; at the same time, a ventilation opening is integrally arranged on the rear U-shaped plate, which is beneficial to the dissipation of heat and ventilation inside the washing machine; in addition, the air duct arranged inside the machine body is communicated with the ventilation opening, so as to achieve the purpose of gas exchange with the outside through the ventilation opening arranged on the housing.

[0020] By setting a detachable rear back cover plate on the housing of the clothing treatment device, the housing structure of the machine body is simplified, the strength is improved, and the assembly efficiency is improved; at the same time, a detachable rear back cover plate is arranged on the rear wall of the rear U-shaped plate, which is convenient for assembling and maintaining the internal area distribution of the machine.

[0021] At the same time, the structure of the present invention is simple, the effect is remarkable, and it is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the side plate structure of the clothing treatment device in an embodiment of the present invention;

[0023] Figure 2 Schematic diagram of the rear view structure of the clothing treatment device in an embodiment of the present invention;

[0024] Figure 3 Schematic diagram of the upper rear back plate structure of the clothing treatment device in an embodiment of the present invention;

[0025] Figure 4 Schematic diagram of the lower back panel structure of the laundry treatment apparatus according to an embodiment of the present invention;

[0026] Figure 5 Schematic diagram of the rear U-shaped panel structure of the laundry treatment apparatus according to an embodiment of the present invention;

[0027] Figure 6 Schematic diagram of the rear U-shaped panel structure of the laundry treatment apparatus according to another embodiment of the present invention;

[0028] Figure 7 Schematic diagram of the support frame structure of the laundry treatment apparatus according to an embodiment of the present invention;

[0029] Figure 8 Embodiment of the present invention Figure 7 Enlarged schematic diagram of part I;

[0030] Figure 9 Embodiment of the present invention Figure 7 Enlarged schematic diagram of part II;

[0031] Figure 10 Schematic diagram of the skeleton structure of the laundry treatment apparatus according to an embodiment of the present invention;

[0032] Figure 11 and Figure 12 Schematic diagram of the installation structure of the laundry treatment apparatus from different perspectives according to an embodiment of the present invention.

[0033] Description of main components: 100 - support frame, 1 - vertical beam, 2 - upper cylinder base, 3 - base, 4 - middle reinforcement, 5 - upper vertical beam, 7 - handle part, 8 - rear reinforcement, 9 - side plate, 10 - press molding, 11 - ventilation opening, 12 - shielding cover, 13 - screw hole, 14 - upper back panel, 15 - lower back panel, 16 - rear U-shaped panel, 17 - drain port, 18 - water inlet, 19 - power cord threading opening, 20 - upper maintenance installation opening, 21 - lower maintenance installation opening, 22 - vertical flanging, 23 - installation hole, 24 - maintenance installation opening, 25 - rear cover plate, 26 - upper cylinder front reinforcement, 27 - upper reinforcement, 28 - rear fixing plate, 50 - flanging, 51 - front side plate, 52 - side side plate, 53 - horizontal flanging, 54 - vertical flanging. Detailed Description of the Invention

[0034] The present invention will be further described in detail below in conjunction with the embodiments.

[0035] As Figures 1 to 12As shown in the figure, in an embodiment of the present invention, a laundry treatment device is introduced, which includes a support frame 100. The support frame 100 is surrounded by a housing on its outer side to form an outer shell. Inside the outer shell, a first laundry treatment cylinder and a second laundry treatment cylinder are stacked up and down. The first laundry treatment cylinder and the second laundry treatment cylinder are respectively installed on the support frame via springs and / or shock-absorbing members. The first laundry treatment cylinder and the second laundry treatment cylinder can simultaneously have the functions of washing and drying clothes, or only have a single washing function, or only have a single drying function. Preferably, in the embodiment of the present invention, the first laundry treatment cylinder provided above only has a drying function, and the second laundry treatment cylinder provided below simultaneously has the functions of washing and drying.

[0036] Embodiment 1

[0037] As Figure 1 shown in the figure, in this embodiment, a side plate of a laundry treatment device is introduced. At least one handle portion 7 for a user to hold when moving the laundry treatment device is provided on the side plate 9 of the laundry treatment device, and a ventilation port 11 communicating with the inside of the laundry treatment device is also provided on the side plate 9.

[0038] By providing a handle portion on the side plate of the laundry treatment device, the user can directly hold the handle portion to conveniently and quickly move the laundry treatment device. At the same time, by providing a ventilation port on the side plate, the air duct of the laundry treatment device can be connected to the outside through the side ventilation port, so that the air exchange channel of the laundry treatment device is arranged on the side of the laundry treatment device, thereby facilitating the assembly of the laundry treatment device and improving the assembly efficiency.

[0039] In this embodiment, at least two handle portions 7 are provided in the middle of the side plate 9, and each handle portion 7 is arranged at the same horizontal height of the side plate. Preferably, one handle portion 7 is respectively provided on the left side and the right side of the side plate 9. By providing one handle portion at the front and rear ends of the left and right side walls of the laundry treatment device respectively, when two people move the relatively heavy laundry treatment device, four hands can simultaneously provide handling operations on the machine body.

[0040] In this embodiment, the handle portion 7 includes a handle body fixedly installed on the side plate 9. A groove recessed toward the inside of the laundry treatment device is provided on the handle body, and the opening of the groove faces the outside of the laundry treatment device. Preferably, the opening of the groove faces the outside of the laundry treatment device and is inclined downward.

[0041] In this embodiment, the laundry treatment device includes a first laundry treatment cylinder and a second laundry treatment cylinder stacked up and down. The handle portion 7 is arranged at the height between the first laundry treatment cylinder and the second laundry treatment cylinder. By arranging the handles on both sides at the same height, it is convenient for the user to move the laundry treatment device.

[0042] In this embodiment, the ventilation opening 11 is arranged at the upper part of the side plate 9 and is connected to the end of the air duct arranged inside the laundry treatment device, so that external air can flow relatively inside the air duct through the ventilation opening. By arranging the ventilation opening at the upper part of the side plate, the ventilation opening of the air duct of the laundry treatment device is arranged at the upper part of the machine body, so that the gas flowing out or into the ventilation opening is the air flow on the upper side of the machine body, thereby reducing the interference of the ventilation air flow on the user operating the machine and improving the user experience effect.

[0043] In this embodiment, a grid-shaped shielding cover 12 is arranged at the ventilation opening 11, and the grid-shaped shielding cover 12 is correspondingly installed and covered at the ventilation opening 11 to prevent external water flow from flowing into the inside of the housing of the laundry treatment device. By arranging a grid-shaped shielding cover at the ventilation opening, the water flow attached to the outer wall of the housing of the laundry treatment device is blocked, and the water flow is prevented from flowing into the ventilation opening together with the gas, thereby ensuring the normal use of the laundry treatment device.

[0044] In this embodiment, the grid-shaped shielding cover 12 includes a plurality of horizontally spaced transverse shielding ribs, and each transverse shielding rib is inclined downward from the upper side to the outside of the housing of the laundry treatment device, so as to guide the external water flow of the laundry treatment device to flow around the ventilation opening along the transverse shielding rib; preferably, the upper sides of each transverse shielding rib are arranged in the same vertical plane, and the lower sides of each transverse shielding rib and the upper sides of the adjacent lower transverse shielding ribs are respectively spaced by a certain gap to ensure that the air flow passes through the ventilation opening through the gap; further preferably, the lower sides of each transverse shielding rib are lower than or flush with the height of the adjacent lower transverse shielding rib.

[0045] In this embodiment, both ends of each transverse shielding rib are respectively fixed to a support ring, and the outer circumference of the support ring is equal to the aperture of the ventilation opening and is correspondingly and sealingly connected; preferably, at least one vertically extending vertical shielding rib is further arranged on the grid-shaped shielding cover, both ends of each vertical shielding rib are respectively fixedly connected to the support ring, and the vertical shielding rib sequentially penetrates through each transverse shielding rib and is fixedly connected; further preferably, the grid-shaped shielding cover and the side plate of the laundry treatment device are integrally arranged.

[0046] In this embodiment, a plurality of beadings 10 are arranged at intervals from top to bottom on the side plate 9 of the laundry treatment device. By respectively arranging a plurality of beadings on the upper and lower parts of the side wall, the support strength of the side wall of the laundry treatment device is improved, thereby enhancing the overall strength of the laundry treatment device and reducing the vibration during the operation of the machine. Preferably, at least part of the ventilation opening overlaps with a beading on the side plate of the laundry treatment device, so as to arrange the ventilation opening in the beading, thereby enhancing the peripheral strength at the ventilation opening. Further preferably, a beading is respectively arranged adjacent to the upper and lower sides of the handle part to enhance the torsional resistance in the up and down directions of the handle part, thereby enhancing the firmness when the user holds the handle part and avoiding the occurrence of the handle part falling off.

[0047] In this embodiment, a plurality of screw holes 13 arranged at horizontal intervals are provided at the bottom of the side plate 9 for fixedly connecting the side plate 9 to the support frame 100 of the laundry treatment device through screws passing through the screw holes 13.

[0048] Embodiment Two

[0049] As Figures 2 to 4 shown, in this embodiment, a rear plate structure of a laundry treatment device is introduced. The laundry treatment device has a support frame 100, and the support frame 100 includes two vertically extending vertical beams 1 provided at the rear side of the laundry treatment device; on the rear side of the support frame 100, an upper rear back plate 14 and a lower rear back plate 15 which are fixedly installed on the support frame 100 and are arranged in a staggered manner up and down are provided.

[0050] By providing two detachable rear back covers arranged up and down on the rear plate of the laundry treatment device, it is convenient for assembling and repairing the upper and lower areas of the machine. At the same time, by providing rear back plates arranged in a staggered manner up and down on the rear plate to respectively correspond to the first laundry treatment cylinder and the second laundry treatment cylinder, the purpose of respectively assembling, inspecting, and maintaining the first laundry treatment cylinder and the second laundry treatment cylinder is realized, and the convenience of inspecting the internal components of the machine body shell is improved.

[0051] In this embodiment, the support frame 100 includes a rear strengthening member 8 provided at the middle height at the rear side of the laundry treatment device. The two ends of the rear strengthening member 8 are respectively fixedly connected to the two vertical beams 1. The upper rear back plate 14 is arranged above the rear strengthening member, and the lower rear back plate 15 is arranged below the rear strengthening member 8; preferably, the rear strengthening member 8 extends horizontally, and the two ends of the rear strengthening member 8 are respectively fixedly connected to the two vertical beams 1 on the rear side of the support frame 100; further preferably, side plates 9 are respectively covered and laid on both sides of the support frame. Horizontal flanges bent in the approaching direction are respectively provided at the rear sides of the two side plates 9, and the horizontal flanges are in corresponding fitting contact with the corresponding rear vertical beam 1 on the corresponding side. The left and right sides of the upper rear back plate 14 and the lower rear back plate 15 are respectively in corresponding fitting contact with the flanges of the side plates 9.

[0052] In this embodiment, at least one mounting hole 23 for the packaging positioning rod to pass through and be installed is provided on the rear strengthening member 8.

[0053] By providing the rear strengthening member, an installation position is provided for the packaging and transportation rod. During the transportation of the washing machine, the packaging and transportation rod is sequentially passed through the rear strengthening member, the first laundry treatment cylinder, and / or the second laundry treatment cylinder from the rear to the front to realize the purpose of limiting and supporting the first laundry treatment cylinder and the second laundry treatment cylinder during transportation.

[0054] In this embodiment, the upper rear backboard 14 covers the area between the rear reinforcing member 8 and the top of the support frame 100, and the left and right sides of the upper rear backboard 14 are respectively in corresponding fitting contact and fixed connection with the corresponding side vertical beams 1; the lower rear backboard 15 covers the area between the rear reinforcing member 8 and the bottom of the support frame 100, and the left and right sides of the lower rear backboard 15 are respectively in corresponding fitting and fixed connection with the corresponding side vertical beams 1; preferably, the lower side of the upper rear backboard 14 is in corresponding fitting contact and fixed connection with the upper side of the rear reinforcing member 8, and the upper side of the lower rear backboard 15 is in corresponding fitting contact and fixed connection with the lower side of the rear reinforcing member 8.

[0055] In this embodiment, the laundry treatment device includes a first laundry treatment cylinder and a second laundry treatment cylinder which are stacked up and down, and the rear reinforcing member is arranged between the first laundry treatment cylinder and the second laundry treatment cylinder.

[0056] In this embodiment, at least one pressing type 10 protruding to one side is respectively provided on the upper rear backboard 14 and the lower rear backboard 15.

[0057] In this embodiment, the bottom of the support frame 100 is composed of a base 3, and the upper side of the rear side of the base 3 is in corresponding fitting contact and fixed connection with the lower side of the lower rear backboard 15.

[0058] In this embodiment, a tabletop horizontally covering the top of the support frame is installed at the top of the support frame 100, and a folded edge bent downward is provided at the rear side of the tabletop, and the lower side of the folded edge is in corresponding fitting contact and fixed connection with the upper side of the upper rear backboard 14.

[0059] In this embodiment, the first laundry treatment cylinder or the second laundry treatment cylinder is a drying cylinder only capable of drying laundry, the rear part of the first laundry treatment cylinder and / or the second laundry treatment cylinder is fixedly installed on the support frame 100 through a mounting plate, and a notch is provided on the upper rear backboard 14 and / or the lower rear backboard 15, and the notch is arranged corresponding to and overlapping with the mounting plate at the rear part of the first laundry treatment cylinder and / or the second laundry treatment cylinder; preferably, the mounting plate 28 at the rear part of the first laundry treatment cylinder and / or the second laundry treatment cylinder is arranged in corresponding fitting with the upper rear backboard 14 and / or the lower rear backboard 15; further preferably, the mounting plate 28 at the rear part of the first laundry treatment cylinder and / or the second laundry treatment cylinder and the upper rear backboard 14 and / or the lower rear backboard 15 are respectively installed on the opposite sides of the two vertical beams 1 at the rear side of the support frame 100.

[0060] In this embodiment, the top of the upper rear panel 14 is an inclined surface that gradually bends downward from the center to both sides, so that gaps surrounded by the upper rear panel 14 and the support frame 100 are formed at both ends of the top at the rear side of the laundry treatment device; preferably, the rear part of the first laundry treatment cylinder is fixedly installed on the support frame 100 through a mounting plate 28. Water inlets 18 and power cord threading openings 19 are respectively provided at both ends of the top of the mounting plate 28, and the water inlets and the power cord threading openings are correspondingly arranged relative to the gaps between the upper rear panel 14 and the support frame 100; further preferably, a drain port 17 for installing a drain valve is provided at the rear side of the base 3.

[0061] Embodiment III

[0062] As Figures 1 to 4 shown, this embodiment introduces a laundry treatment device, the left side plate or the right side plate of which is composed of the side plate described in Embodiment I above, and the rear plate is composed of the rear plate described in Embodiment II above; the difference between the other side plate and Embodiment I is that it does not have a ventilation opening.

[0063] Embodiment IV

[0064] As Figure 5 shown, this embodiment introduces a housing structure of a laundry treatment device, which includes a rear U-shaped plate 16. After being bent through two vertical folding edges 22, the rear U-shaped plate 16 forms a cross-section in the shape of "U" to enclose the left and right side walls and the rear wall of the laundry treatment device housing; two upper and lower maintenance installation openings 20 and 21 are provided on the rear wall, and an upper rear cover plate 14 and a lower rear cover plate 15 that respectively cover the corresponding maintenance installation openings are installed on the rear wall.

[0065] By setting the housing of the laundry treatment device to include a rear U-shaped plate with left and right side walls and a rear wall, the housing structure of the machine body is simplified, the strength is improved, and the assembly efficiency is improved; at the same time, two upper and lower detachable rear cover plates are provided on the rear wall of the rear U-shaped plate, so as to facilitate the assembly and maintenance of the upper and lower regions of the machine.

[0066] In this embodiment, the laundry treatment device includes a first laundry treatment cylinder and a second laundry treatment cylinder stacked up and down. The upper maintenance installation opening 20 corresponds to at least part of the first laundry treatment cylinder and the second laundry treatment cylinder, and the lower maintenance installation opening 21 corresponds to at least part of the second laundry treatment cylinder. By providing upper and lower staggered rear panels on the rear U-shaped plate to respectively correspond to the first laundry treatment cylinder and the second laundry treatment cylinder, the purpose of respectively assembling, inspecting and maintaining the first laundry treatment cylinder and the second laundry treatment cylinder is realized, and the convenience of inspecting the internal components of the machine body housing is improved.

[0067] In this embodiment, the upper maintenance and installation opening 20 is arranged as an opening with a larger horizontal width at the upper end and a smaller horizontal width at the lower end. The upper side edge of the upper maintenance and installation opening 20 is an arc segment that gradually bends downward from the center to both sides, the two side edges are straight segments symmetrically arranged with respect to the vertical center line of the rear wall, and the lower side edge is a straight segment extending horizontally. Preferably, arc chamfers are provided at the intersections of adjacent sides of the upper maintenance opening 20.

[0068] In this embodiment, the lower maintenance and installation opening 21 is arranged as a rectangular opening, and the horizontal width of the lower maintenance and installation opening 21 is greater than the maximum horizontal width of the upper maintenance opening. Preferably, arc chamfers are respectively provided at the four end corners of the rectangular opening.

[0069] In this embodiment, the upper rear cover plate 14 and the lower rear cover plate 15 are respectively detachably and fixedly installed on one side of the rear wall. Preferably, both the upper rear cover plate 14 and the lower rear cover plate 15 are installed on the side close to the interior of the machine body to prevent the rear cover plate from protruding out of the machine body and causing scratches or damage to users or items.

[0070] In this embodiment, the upper rear cover plate 14 is fixedly installed on the rear wall, and a part of the upper rear cover plate 14 horizontally overlaps with the entire area of the upper maintenance and installation opening 20; the lower rear cover plate 15 is fixedly installed on the rear wall, and a part of the lower rear cover plate 15 horizontally overlaps with the entire area of the lower maintenance and installation opening 21. Preferably, the outer periphery of the upper rear cover plate 14 protrudes from the upper maintenance and installation opening 20 and is in corresponding contact and fit with the rear wall, and the contact and fit part is detachably fixedly installed by at least one screw; the outer periphery of the lower rear cover plate 15 protrudes from the lower maintenance and installation opening 21 and is in corresponding contact and fit with the rear wall, and the contact and fit part is detachably fixedly installed by at least one screw.

[0071] In this embodiment, the left and right side walls of the housing are symmetrically arranged with respect to the vertical midline of the rear U-shaped plate 16; at least two handle parts 7 are respectively provided in the middle of the left and right side walls of the housing, and each handle part 7 is arranged at the same horizontal height of the rear U-shaped plate. Preferably, one handle part 7 is respectively provided on the left and right sides of the left and right side walls of the housing. Further preferably, the handle part 7 is arranged at the height between the first laundry treatment tub and the second laundry treatment tub.

[0072] In this embodiment, a ventilation opening 11 is provided at the upper part of the left or right side wall of the laundry treatment device formed by the rear U-shaped plate 16. The ventilation opening 11 is connected to the end of the air duct provided inside the laundry treatment device, so that external air can flow relatively inside the air duct through the ventilation opening. Preferably, a grid-shaped shielding cover 12 is provided at the ventilation opening 11, and the grid-shaped shielding cover 12 is correspondingly installed to cover the ventilation opening to prevent external water flow from flowing into the interior of the housing of the laundry treatment device. Further preferably, the grid-shaped shielding cover 12 includes a plurality of horizontal shielding ribs arranged at intervals, and each horizontal shielding rib is inclined downward from the upper side to the outside of the housing of the laundry treatment device, so as to guide the external water flow of the laundry treatment device to flow around the ventilation opening along the horizontal shielding rib.

[0073] In this embodiment, a plurality of pressings 10 arranged at intervals from top to bottom are respectively provided on the left and right side walls of the laundry treatment device, and the pressings 10 provided on the left and right side walls are symmetrically arranged; preferably, the ventilation opening 11 at least partially overlaps with a pressing 10 on the side wall of the laundry treatment device; further preferably, a pressing 10 is respectively provided adjacent to the upper and lower sides of the handle part 7.

[0074] In this embodiment, a plurality of screw holes 13 arranged horizontally at intervals are provided at the bottoms of the left and right side walls of the laundry treatment device for the side plate to be fixedly connected to the support frame of the laundry treatment device through screws passing through the screw holes 13.

[0075] Embodiment Five

[0076] As Figure 6 shown, in this embodiment, a housing structure of a laundry treatment device is introduced, which includes a rear U-shaped plate 16. The rear U-shaped plate 16 is bent through two vertical folding edges 22 to form a cross-section in the shape of "U", enclosing the left and right side walls and the rear wall of the housing of the laundry treatment device; at least one handle part 7 is respectively provided on the left and right side walls of the housing, and a ventilation opening 11 communicating with the inside of the housing is further provided on the rear U-shaped plate 16.

[0077] By setting the housing of the laundry treatment device as a rear U-shaped plate including left and right side walls and a rear wall, the housing structure of the machine body is simplified, the strength is improved, and the assembly efficiency is improved; at the same time, a ventilation opening is integrally provided on the rear U-shaped plate, and the air duct provided inside the machine body is connected to the ventilation opening to achieve the purpose of gas exchange with the outside through the ventilation opening provided on the housing.

[0078] In this embodiment, the left and right side walls of the housing are symmetrically arranged relative to the vertical central dividing line of the rear U-shaped plate 16; at least two handle parts 7 are respectively provided in the middle of the left and right side walls of the housing, and each handle part 7 is arranged at the same horizontal height of the rear U-shaped plate 16; preferably, a handle part 7 is respectively provided on the left and right sides of the left and right side walls of the housing.

[0079] In this embodiment, the handle portion 7 includes a handle body fixedly installed on the rear U-shaped plate 16. A groove recessed toward the inside of the laundry treatment device is provided on the handle body, and the opening of the groove is arranged toward the outside of the laundry treatment device; preferably, the opening of the groove is arranged toward the outside of the laundry treatment device and is inclined downward.

[0080] In this embodiment, the laundry treatment device includes a first laundry treatment cylinder and a second laundry treatment cylinder stacked vertically. The handle portion 7 is arranged at a height between the first laundry treatment cylinder and the second laundry treatment cylinder.

[0081] In this embodiment, the ventilation opening 11 is arranged at the upper part of the left or right side wall of the laundry treatment device formed by the rear U-shaped plate 16 and is connected to the end of the air duct provided inside the laundry treatment device, so that external air can flow relatively inside the air duct through the ventilation opening. By arranging the ventilation opening at the upper part of one side wall of the machine body, the ventilation opening of the air duct of the laundry treatment device is arranged at the upper part of the machine body, so that the gas flowing out or into the ventilation opening is the air flow on the upper side of the machine body, thereby reducing the interference of the ventilation air flow on the user operating the machine and improving the user experience effect.

[0082] In this embodiment, a grid-shaped shielding cover 12 is arranged at the ventilation opening 11. The grid-shaped shielding cover 12 is correspondingly installed to cover the ventilation opening 11 to prevent external water flow from flowing into the interior of the housing of the laundry treatment device.

[0083] In this embodiment, the grid-shaped shielding cover 12 includes a plurality of horizontally spaced transverse shielding ribs. Each transverse shielding rib is inclined gradually from the upper side to the lower side toward the outside of the housing of the laundry treatment device to guide the external water flow of the laundry treatment device to flow around the ventilation opening along the transverse shielding rib; preferably, the upper sides of each transverse shielding rib are arranged in the same vertical plane, and the lower sides of each transverse shielding rib and the upper sides of the adjacent lower transverse shielding ribs are spaced apart by a certain gap respectively to ensure that the air flow passes through the ventilation opening through the gap; further preferably, the lower sides of each transverse shielding rib are lower than or flush with the height of the adjacent lower transverse shielding rib.

[0084] In this embodiment, both ends of each transverse shielding rib are respectively fixed to a support ring. The outer periphery of the support ring is the same size as the aperture of the ventilation opening and is hermetically connected correspondingly; preferably, at least one vertically extending vertical shielding rib is further provided on the grid-shaped shielding cover. Both ends of each vertical shielding rib are respectively fixed to the support ring, and the vertical shielding rib sequentially penetrates through each transverse shielding rib and is fixedly connected; further preferably, the grid-shaped shielding cover and the side plate of the laundry treatment device are integrally provided.

[0085] In this embodiment, a plurality of press types 10 are respectively arranged on the left side wall and the right side wall of the laundry treatment device at intervals from top to bottom, and the press types provided on the left side wall and the right side wall are symmetrically arranged; preferably, the ventilation opening 11 at least partially overlaps with a press type 10 on the side wall of the laundry treatment device; further preferably, a press type 10 is respectively arranged adjacent to the upper and lower sides of the handle part 7.

[0086] In this embodiment, a plurality of screw holes 13 arranged horizontally at intervals are provided at the bottoms of the left side wall and the right side wall of the laundry treatment device for fixing and connecting the side walls to the support frame 100 of the laundry treatment device through screws passing through the screw holes 13; preferably, a drain port 17 is provided on one side of the lower end of the rear side wall of the laundry treatment device, a water inlet 18 is provided on one side of the upper end of the rear side wall, and a power cord installation port 19 is provided on the other side; further preferably, a maintenance installation port 24 is further provided on the rear side wall, a rear back cover 25 is detachably installed on the rear U-shaped plate 16, and after the rear back cover 25 is fixedly installed, it correspondingly covers the maintenance installation port 24.

[0087] Embodiment Six

[0088] As Figures 10 to 12 shown, in this embodiment, a skeleton structure of a laundry treatment device is introduced. The laundry treatment device includes a support frame 100, a first laundry treatment cylinder and a second laundry treatment cylinder arranged up and down. An upper cylinder base 2 is arranged between the first laundry treatment cylinder and the second laundry treatment cylinder, and the upper cylinder base 2 is fixedly installed with the support frame 100 of the laundry treatment device.

[0089] By fixedly installing a horizontally arranged upper cylinder base in the middle of the support frame, the upper and lower laundry treatment cylinders of the laundry treatment device are respectively installed on different bases, thereby ensuring that the two laundry treatment cylinders can be effectively supported and fixedly installed respectively. Also, an upper cylinder base for supporting and fixing the first laundry treatment cylinder is arranged between the first laundry treatment cylinder and the second laundry treatment cylinder, separating the two laundry treatment cylinders, so that the noise and vibration of the two laundry treatment cylinders are separated from each other, avoiding resonance and preventing the occurrence of excessive noise and violent vibration during the operation of the machine.

[0090] In this embodiment, the support frame 100 includes a square base 3 placed horizontally. A vertical beam 1 extending vertically upward is respectively provided at each of the four end corners of the base 3. The adjacent left and right vertical beams 1 are respectively connected by a middle reinforcing member 4, and the upper cylinder base 2 is fixedly installed on the middle reinforcing member 4. By respectively arranging middle reinforcing members in the middle of the left and right sides of the support frame, an effective support plane is provided for the upper cylinder base, enabling the upper cylinder base to be reliably installed and fixed on the support frame.

[0091] In this embodiment, the upper cylinder base 2 is a horizontally extending sheet-like structure. The left and right sides of the upper cylinder base 2 are respectively placed on the corresponding middle reinforcing members 4 on the corresponding sides and are fixedly connected by screws.

[0092] In this embodiment, the middle reinforcing member 4 is a strip-shaped plate extending horizontally in a vertical plane. The left and right side walls of the upper cylinder base 2 are respectively in contact with the inner side walls of the corresponding middle reinforcing members 4 on the corresponding sides and are fixedly connected by at least one screw at the corresponding contact positions.

[0093] In this embodiment, a support press is provided in the middle of the middle reinforcing member 4 and protrudes into the support frame. The support press extends horizontally, and the lower wall of the side part of the upper cylinder base 2 is correspondingly placed on the upper side surface of the support press. By providing two relatively protruding presses on the middle reinforcing member, the upper cylinder base can be conveniently placed on the upper side surface of the press, achieving the purpose of pre-positioning and installing the upper cylinder base.

[0094] In this embodiment, upper vertical beams 5 extending vertically upward are respectively provided at the front ends of the two middle reinforcing members 4. The lower ends of the upper vertical beams 5 are fixedly connected to the middle reinforcing members 4 and / or the upper cylinder base 2.

[0095] In this embodiment, an upper cylinder front reinforcing member 26 is installed at the front end of the upper cylinder base 2. The upper cylinder front reinforcing member 26 is also fixedly connected to the two upper vertical beams 5 respectively; preferably, the upper cylinder front reinforcing member 26 is an arc-shaped plate that bends upward from the middle to both ends. The middle of the upper cylinder front reinforcing member 26 is fixedly connected to the middle of the front end of the upper cylinder base 2, and the two ends of the upper cylinder front reinforcing member 26 are respectively fixedly connected to the corresponding upper vertical beams 5 on the corresponding sides.

[0096] In this embodiment, the upper vertical beam 5 is composed of a vertically extending strip-shaped plate with a "L" cross-section. The inner side of the lower end of the upper vertical beam 5 is in contact with the outer side wall of the corresponding end angle of the side of the upper cylinder base 2. The lower end of the upper vertical beam 5 is correspondingly placed on the support press provided on the corresponding middle reinforcing member 4; preferably, the upper vertical beam 5 is fixedly connected to the upper cylinder base 2 at the corresponding contact position by at least one screw.

[0097] Embodiment Seven

[0098] As Figures 7 to 9 shown, in this embodiment, a support frame of a laundry treatment device is introduced. The laundry treatment device includes a first laundry treatment cylinder and a second laundry treatment cylinder stacked up and down. The support frame 100 includes a lower support frame 101 for placing the second laundry treatment cylinder. An upwardly extending upper support frame 102 is installed at the top of the lower support frame 101, and the first laundry treatment cylinder is installed in the upper support frame 102.

[0099] By setting the support frame as independent upper and lower support frames, the purpose of replaceable repair of parts of the frame is achieved; at the same time, the first clothes treatment cylinder and the second clothes treatment are respectively installed on the corresponding parts of the support frame to realize the modular management of the equipment, so that the same production line can produce equipment with only the second clothes treatment cylinder and equipment with both the first and second clothes treatment cylinders, thereby improving the modular degree of the equipment and reducing the production cost.

[0100] As Figure 7 shown, in this embodiment, the lower support frame 101 includes a horizontally placed square base 3, and a vertical beam 1 extending upward is provided at each of the four end corners of the base 3. At least one pair of adjacent vertical beams 1 are connected and fixed by a middle reinforcing member 4 to form a frame structure for installing the second clothes treatment cylinder; preferably, the adjacent vertical beams on the left and right sides are respectively fixed and connected by a left middle reinforcing member and a right middle reinforcing member; further preferably, the left middle reinforcing member and the right middle reinforcing member are symmetrically arranged.

[0101] In this embodiment, the upper support frame 102 includes two upper vertical beams 5 extending upward vertically and arranged near the left and right ends of the front side. The lower ends of the two upper vertical beams 5 are fixedly connected to the lower support frame 101, and the tops of the two upper vertical beams 5 are respectively connected with upper reinforcing members 27 extending backward.

[0102] In this embodiment, the lower ends of the upper vertical beams 5 of the upper support frame 102 are fixedly connected to the middle reinforcing member 4 and / or the upper ends of the vertical beams 1 of the lower support frame 101.

[0103] As Figure 8 shown, in this embodiment, the lower ends of the upper vertical beams 5 are in corresponding fitting contact with the middle reinforcing member 4 and / or the upper ends of the vertical beams 1 and are fixedly connected by nails; preferably, the outer sides of the lower ends of the upper vertical beams 5 are in corresponding fitting contact with the inner sides of the middle reinforcing member 4, and two screws are arranged up and down at the fitting contact to fixedly connect the upper vertical beams 5 and the middle reinforcing member 4. By pre-positioning the lower ends of the upper vertical beams in fitting contact with the middle reinforcing member and then fastening and assembling them with screws, the assembly stability and installation efficiency of the upper vertical beams and the lower support frame are significantly improved.

[0104] As Figure 9As shown, in this embodiment, the top of the upper vertical beam 5 is provided with a flanging 50 that bends horizontally backward. The end of the upper reinforcing member 27 is correspondingly placed on the upper side of the flanging 50 and is fixedly connected by screws. Preferably, the upper vertical beam 5 is composed of two strip-shaped side plates with an "L" cross-section, namely a front side plate 51 that is correspondingly parallel or coincident with the front side of the support frame 100, and a side side plate 52 that is correspondingly parallel or coincident with the side of the support frame 100. The upper end of the front side plate 51 is provided with a horizontally extending notch, and the upper end of the side side plate 52 is provided with a horizontally extending broken line. The broken line is arranged flush with the notch, so that the upper end of the upper vertical beam 5 bends backward by 90 degrees around the broken line, and the bent part of the upper vertical beam forms the flanging 50.

[0105] In this embodiment, the flanging 50 includes a horizontal flanging 53 that bends horizontally backward from the top of the front side plate of the upper vertical beam 5, and a vertical flanging 54 that bends vertically downward from the side of the horizontal flanging. The vertical flanging 54 is correspondingly attached to and fixedly connected by riveting with the side side plate 52 of the upper vertical beam 5. The end of the upper reinforcing member 27 is placed on the upper side of the horizontal flanging 53 and is nailed by screws. Preferably, the backward extension length of the horizontal flanging 53 is greater than the horizontal width of the side side plate 52 of the upper vertical beam 5, so that the end of the horizontal flanging 53 protrudes from the upper vertical beam 5 and is used for the upper reinforcing member 27 to be placed and attached.

[0106] In this embodiment, the upper reinforcing member 27 is a strip-shaped structure with an "L" cross-section. The inner walls on both sides of the upper reinforcing member 27 are respectively in corresponding limit contact with the upper side of the horizontal flanging 53 and the outer side of the vertical flanging 54. By correspondingly attaching the upper reinforcing member to the corresponding flanging, the assembly support point of the upper reinforcing member is improved, and the stability of the whole device is significantly improved.

[0107] In this embodiment, a middle rear reinforcing member 8 is further provided at the rear side of the lower support frame 101. The middle rear reinforcing member 8 extends horizontally, and both ends are fixedly connected to the upper parts of the two rear vertical beams 1 respectively.

[0108] In this embodiment, the rear ends of the two upper reinforcing members 27 are respectively connected to the mounting plate 28 of the first laundry treatment cylinder, and the lower end of the rear fixing plate is fixedly connected to the lower support frame. Through the above settings, the first laundry treatment cylinder with only a drying function in the upper part is correspondingly installed in the upper support frame, and the sealing and fixing of the rear side of the upper part of the machine body are ensured. The rear fixing plate of the first laundry treatment cylinder also has the function of connecting the reinforcing member and forming part of the support frame.

[0109] The implementation schemes in the above embodiments can be further combined or replaced. The embodiments are only descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention. Without departing from the design idea of the present invention, various changes and improvements made by those skilled in the art to the technical solutions of the present invention all belong to the protection scope of the present invention.

Claims

1. A laundry treating apparatus, which includes a rear U-shaped plate. After being bent along two vertical folding edges, the rear U-shaped plate forms left and right side walls and a rear wall of the housing of the laundry treating apparatus with a "U"-shaped cross section. It is characterized in that: At least one handle portion is respectively provided on the left and right side walls of the housing, and a ventilation opening communicating with the interior of the housing is further provided on the rear U-shaped plate; It further includes a support frame, and the housing of the laundry treatment device is surrounded outside the support frame; Two laundry treatment cylinders arranged vertically are provided inside the support frame, and an upper cylinder base is arranged between the two laundry treatment cylinders; The support frame includes a horizontally placed square base, and a vertical beam extending upward is respectively provided at each of the four end corners of the base. The two adjacent vertical beams on the left and right sides are respectively connected by a middle reinforcing member, and the upper cylinder base is fixedly installed on the middle reinforcing member; A support press is provided in the middle of the middle reinforcing member and protrudes toward the inside of the support frame. The support press extends in the horizontal direction, and the lower wall of the side part of the upper cylinder base is correspondingly placed on the upper side of the support press.

2. The laundry treating apparatus according to claim 1, wherein: The left and right side walls of the housing are symmetrically arranged relative to the vertical bisecting line of the rear U-shaped plate; at least two handle portions are respectively provided in the middle of the left and right side walls of the housing, and each handle portion is arranged at the same horizontal height of the rear U-shaped plate.

3. The laundry treating apparatus according to claim 2, wherein: One handle portion is respectively provided on the left side and the right side of the left and right side walls of the housing.

4. A clothing treatment device according to claim 2, characterized in that: The handle portion includes a handle body fixedly installed on the rear U-shaped plate. A groove recessed toward the inside of the laundry treatment device is provided on the handle body, and the opening of the groove is arranged facing the outside of the laundry treatment device.

5. The laundry treating apparatus according to claim 4, wherein: The opening of the groove faces the outside of the laundry treatment device and is inclined downward.

6. The laundry treating apparatus according to claim 4, wherein: The laundry treatment device includes a first laundry treatment cylinder and a second laundry treatment cylinder stacked up and down, and the handle portion is arranged at the height between the first laundry treatment cylinder and the second laundry treatment cylinder.

7. The clothing treatment device according to claim 6, characterized in that: The ventilation opening is provided at the upper part of the left side wall or the right side wall of the laundry treatment device formed by the rear U-shaped plate and is communicated with the end of the air duct provided inside the laundry treatment device, so that external air circulates relatively with the inside of the air duct through the ventilation opening.

8. A clothing treatment device according to claim 6, characterized in that: A grid-shaped shielding cover is provided at the ventilation opening, and the grid-shaped shielding cover is correspondingly installed to cover the ventilation opening to prevent external water flow from flowing into the interior of the housing of the laundry treatment device.

9. The laundry treating apparatus according to claim 7, wherein: The grid-shaped shielding cover includes a plurality of horizontal shielding ribs arranged at intervals. Each horizontal shielding rib is inclined downward from the upper side to the outside of the housing of the laundry treatment device to guide the external water flow of the laundry treatment device to flow around the ventilation opening along the horizontal shielding rib.

10. A clothing treatment device according to claim 9, characterized in that: The upper sides of each horizontal shielding rib are arranged on the same vertical plane, and there is a certain gap between the lower side of each horizontal shielding rib and the upper side of the adjacent lower horizontal shielding rib to ensure that air flows through the ventilation opening through the gap.

11. A clothes treatment device according to claim 9, characterized in that: The lower sides of each horizontal shielding rib are lower than or flush with the height of the adjacent lower horizontal shielding rib.

12. The laundry treating apparatus according to claim 9, wherein: Both ends of each horizontal shielding rib are respectively fixed to a support ring, and the outer periphery of the support ring is equal in size to the aperture of the ventilation opening and is hermetically connected correspondingly.

13. A clothes treatment device according to claim 12, characterized in that: At least one vertically extending vertical shielding rib is further provided on the grid-shaped shielding cover. Both ends of each vertical shielding rib are respectively fixedly connected to the support ring, and the vertical shielding rib sequentially penetrates through each horizontal shielding rib and is fixedly connected.

14. A clothing treatment device according to claim 12, characterized in that: The grid-shaped shielding cover and the rear U-shaped plate of the laundry treatment device are integrally provided.

15. A clothing treatment device according to claim 1, characterized in that: A plurality of pressings arranged at intervals from top to bottom are respectively provided on the left side wall and the right side wall of the laundry treatment device, and the pressings provided on the left side wall and the right side wall are symmetrically arranged.

16. A clothes treatment device according to claim 15, characterized in that: The ventilation opening at least partially overlaps with a pressing on the side wall of the laundry treatment device.

17. A laundry treatment device according to claim 15, characterized in that: One pressing is respectively closely arranged on the upper and lower sides of the handle portion.

18. A clothing treatment device according to claim 1, characterized in that: A plurality of horizontally spaced screw holes are provided at the bottoms of the left and right side walls of the laundry treatment apparatus for fixing and connecting the rear U-shaped plate and the support frame of the laundry treatment apparatus through screws passing through the screw holes.

19. A clothing treatment device according to claim 18, characterized in that: One side of the lower end of the rear side wall of the laundry treatment apparatus is provided with a drain port, and one side of the upper end of the rear side wall is provided with a water inlet, and the other side is provided with a power cord installation port.

20. A clothing treatment device according to claim 18, characterized in that: The rear side wall is further provided with a maintenance installation port, and a rear back cover plate is detachably installed on the rear U-shaped plate. After the rear back cover plate is fixedly installed, it correspondingly covers the maintenance installation port.

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