A breathable valve and clothing processing device

Abstract

The present invention discloses a breathable valve, comprising a shell, a passage communicating with the outside is provided in the shell, a valve plate connected to the shell on one side and suspended on the opposite side is provided in the passage; the valve plate is made of a memory alloy, and generates or restores deformation with changes in ambient temperature to open or block the passage. The present invention also introduces a clothing processing device, which comprises a drum installed in the shell and forming a sealed water container when the washing machine is in a washing state; at least one breathable hole is provided on the drum, and the above-mentioned breathable valve is respectively installed at each breathable hole. The breathable valve provided by the present invention cleverly utilizes the characteristic of memory alloy that deforms with temperature, so that the breathable holes of the sealed water-containing drum are only opened in the drying stage, which is easy to implement and does not require an additional control structure, and is suitable for popularization and use.

Description

Technical Field

[0001] The present invention relates to a clothing processing device in a household appliance, and more specifically, to a clothing processing device having a hole-free drum and a drying function, and more particularly to a drum-type washer-dryer in which the drum is composed of a hole-free drum without dehydration holes, and more particularly to an air vent valve at an air inlet and outlet of the drum of the above-mentioned clothing processing device. Background Art

[0002] With the improvement of people's living standards, washing and drying machines, clothes dryers and other equipment with clothes drying functions have gradually entered the homes of the general public. However, the existing washing and drying machines, clothes dryers and other equipment generally connect the air duct to the outer drum, and set the fan in the air duct to extract the hot and humid air in the outer drum, thereby reducing the humidity in the drum to dry the clothes.

[0003] Washing machines can be roughly divided into pulsator type, agitator type and drum type washing machines. Generally speaking, washing machines remove stains from laundry through the action of water and detergent.

[0004] A pulsator washing machine washes by rotating the pulsator in the center of the washing tank left and right. An agitator washing machine washes by rotating the rotating blades in the center of the washing tank left and right, using the friction between the water flow and the laundry. A drum washing machine washes by rotating the drum to beat the laundry.

[0005] A drum-type washing machine generally has a shell, an outer drum for containing washing water is installed inside the shell, a drum for containing laundry is arranged inside the outer drum, and a motor and a shaft for driving the drum to rotate are arranged on the back of the outer drum.

[0006] Nowadays, a large amount of dirt is generally retained between the inner and outer drums of washing machines, whether they are pulsator type or drum type. In order to avoid contamination of the washing water, the applicant has previously proposed a hole-free drum washing machine that combines the inner and outer drums into one, so as to overcome the problem of dirt retained between the inner and outer drums.

[0007] Therefore, how to apply the hole-free drum technology to a washing and drying machine with drying function has become a research and development hotspot. At the same time, since the hole-free drum needs to rotate during the drying process, how to set a valve seat at the air vent of the hole-free drum to ensure smooth connection between the rotating hole-free drum and the air duct and prevent the washing water in the drum from flowing out of the air vent has become a technical problem that needs to be solved urgently.

[0008] In view of this, the present invention is proposed. Summary of the invention

[0009] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a breathable valve, wherein the breathable valve plate is made of a memory alloy, and the shape memory property is used to open or close the drying channel, thereby ensuring the water tightness of the drum and achieving the purpose of gas flow between the air duct and the drum. In addition, by adjusting and replacing the composition of the memory alloy of the breathable valve plate, the direction of the airflow through the breathable valve can be changed, and the application range is relatively wide.

[0010] The present invention also provides a drum washing machine so that the drum can simultaneously have the dual functions of accommodating washing water and washing clothes by its own rotation, thereby avoiding the accumulation of dirt in the outer drum of the washing machine and achieving the purpose of eliminating the need to clean the drum; a further object of the present invention is to provide a breathable structure of a hole-free drum washer-dryer so as to achieve the purpose of ventilating the hole-free drum and the air duct and drying the clothes in the drum.

[0011] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0012] The present invention provides a breathable valve, comprising a shell, a passage communicating with the outside is arranged in the shell, a valve plate is arranged in the passage, one side of the valve plate is connected to the shell and the opposite side is suspended; the valve plate is made of a memory alloy, and generates or restores deformation with changes in ambient temperature to open or block the passage.

[0013] A further solution of the breathable valve provided by the present invention is: the shell includes a valve seat arranged around the periphery of the breathable airflow, and the channel is formed inside the valve seat; a valve cover is buckled on the first end of the valve seat, and the side of the valve plate connected to the shell is clamped between the valve cover and the valve seat.

[0014] In the above scheme, the breathable valve includes a valve seat, a valve plate and a valve cover. The valve seat plays a supporting role, and the valve cover presses the valve seat and plays a role of fixing the valve plate. The valve seat and the valve cover structure can isolate the contents of the drum from the valve plate to prevent the metal valve plate from cutting the clothes. The valve seat is a sleeve-shaped structure, and a channel for the ventilation airflow is formed inside the sleeve-shaped valve seat. Furthermore, the cross-section of the valve seat in the ventilation airflow direction is any one or a combination of polygonal, circular, and elliptical shapes; preferably, the cross-section of the valve seat is a rectangle with transitional rounded corners.

[0015] A further solution of the air valve provided by the present invention is: a plurality of valve plates are provided at the first end of the valve seat, and the valve plates are spliced ​​together to block the channel of the valve seat; as the ambient temperature increases, each valve plate deforms and bends toward the second end opposite to the first end to make the channel conductive; and after the temperature drops to the initial state, each valve plate restores its deformation to block the channel.

[0016] In the above scheme, the valve plate on the breathable valve is made of memory alloy, which is a material with shape memory properties and can restore the memory shape at a specific temperature. Its material is usually selected from nickel-titanium alloy, gold-cadmium alloy, and copper-zinc alloy. When the breathable valve is applied to a clothing processing device using a non-porous drum, during the washing and rinsing stages, the breathable valve is at room temperature, and the valve plate is in an extended state, blocking the passage of the breathable valve to keep it closed to prevent the washing and rinsing water from leaking out; and during the drying stage, the higher temperature drying airflow is sent to the breathable valve, and the suspended side of the valve plate is bent to one side under the bending deformation caused by the temperature rise, so as to open the passage and send the drying airflow into or out of the drum.

[0017] A further solution of the air valve provided by the present invention is: each valve plate is connected to the outer peripheral side of the valve seat and is clamped between the valve seat and the valve cover, and each valve plate is suspended near the valve seat axis side; or, a fixed column abutting the valve cover is provided in the middle of the valve seat along the air flow direction, and one side of each valve plate connected to the valve seat is clamped between the fixed column and the valve cover, and each valve plate is suspended near the outer peripheral side of the valve seat.

[0018] In the above scheme, the fixing post is extended from the second end of the valve seat to the first end, and the fixing post is in contact with the valve cover to sandwich the valve plate between the fixing post and the valve cover. The portion of the valve plate sandwiched by the valve seat (or the fixing post) and the valve cover is provided with a plurality of through holes, each of which is respectively penetrated by a plug-in post, and both ends of the plug-in post are respectively connected to the valve cover and the valve seat (or the fixing post).

[0019] A further solution of the air valve provided by the present invention is: the first end of the valve seat is divided into two parts along any straight line on the radial cross section, and the two parts are respectively covered with a first valve plate and a second valve plate; the relatively distant sides of the first valve plate and the second valve plate are respectively clamped between the outer periphery of the valve seat and the valve cover, and the relatively close sides are suspended, or the relatively close sides of the first valve plate and the second valve plate are clamped between the fixed column and the valve cover, and the relatively distant sides are suspended, and any straight line on the radial cross section of the first end coincides with the fixed column; preferably, any straight line is the center line on the radial cross section of the first end of the valve seat, and the relatively close sides of the first valve plate and the second valve plate that are suspended are correspondingly fitted, or at least partially overlapped; preferably, the memory alloys used for the first valve plate and the second valve plate have different compositions, so that the deformation degrees of the first valve plate and the second valve plate under the same heating conditions are different.

[0020] In the above scheme, in one embodiment, the cross section of the valve seat is a rectangle, and any straight line on the radial cross section of the first end of the valve seat is a diagonal line. At this time, the first valve plate and the second valve plate are right triangles of equal area, and the two are connected to the periphery of the valve seat only at the right angle sides on the side away from each other. When the materials of the first valve plate and the second valve plate are selected from memory alloys with different compositions, they have different degrees of deformation at the same heating temperature, which can change the airflow angle through the breathable valve.

[0021] A further solution of the air valve provided by the present invention is: a first groove recessed in a direction away from the valve seat is provided on a side of the valve cover facing the outer periphery of the valve seat, a step structure corresponding to the first groove is provided on the outer periphery of the valve seat facing the valve cover, and the first groove and the step structure cooperate to clamp the valve plate; or, a second groove recessed in a direction away from the valve cover is provided on a side of the fixed column facing the valve cover, and the second groove cooperates with the valve cover to clamp the valve plate.

[0022] A further solution of the air valve provided by the present invention is: a grid structure is respectively provided at the second end of the valve cover and the valve seat, and the channel is connected to the outside of the shell through the hollow part of the grid structure; the valve plate is in corresponding contact with the grid structure toward the side of the valve seat, and the valve plate at least covers the hollow part.

[0023] The present invention also provides a clothes processing device, which includes a drum installed in a shell and forming a sealed water container when the washing machine is in a washing state; the drum is provided with at least one air hole, and each air hole is provided with an air valve as described above.

[0024] A further solution of the clothing processing device provided by the present invention is: the shell of the air valve is correspondingly assembled in the air hole, the outer periphery of the shell is sealed and fitted with the inner wall of the air hole, and the two ends of the channel provided in the shell are connected to the inside and outside of the drum.

[0025] A further solution of the clothing processing device provided by the present invention is: at least one air hole equipped with the air valve is respectively provided at the opposite ends of the drum, and the air holes at the two ends of the drum are respectively connected with the air inlet end and the air outlet end of the air duct outside the drum in a one-to-one manner; the air hole provided at one end of the drum is connected with the air inlet end of the air duct, and the valve cover of the air valve at the air hole is arranged to face the inside of the drum; the air hole provided at the other end of the drum is connected with the air outlet end of the air duct, and the valve cover of the air valve at the air hole is arranged to face the outside of the drum.

[0026] In the above scheme, a drying device and a drying air duct are provided outside the outer cylinder, and the fan drives the drying airflow to circulate between the inner and outer cylinders through the air inlet and air outlet in the drying air duct. The drying device can adopt a heat pump system, and the heating module is the condenser of the heat pump system, and the condensing module is the evaporator of the heat pump system; the drying device can also adopt other methods, the heating module can be an electric heating tube or a PTC heater, and the condenser can be water-cooled, air-cooled or the cold end of a semiconductor module.

[0027] A further solution of the clothing processing device provided by the present invention is: among the several air valves arranged at the air inlet end of the drum corresponding to the air duct, the composition of the memory alloy used in each valve plate is different, and the degree of deformation of the valve plate is different under the same heating conditions, so that the incoming air is guided into the drum in different directions to form turbulence.

[0028] In the above scheme, a plurality of air holes with air valves can be arranged in the radial direction of one end of the drum corresponding to the drying air inlet, and the air holes are arranged at different positions in the radial direction. For example, the air holes are at different distances from the axis of the drum. At this time, the valve plates used in the air valves at different positions are adjusted and replaced with memory alloys with different degrees of deformation, so that the directions of the drying air flows entering the drum through the air valves can be staggered or diffused, thereby generating turbulent or evenly divergent airflow, thereby improving the drying effect.

[0029] A further solution of the clothes processing device provided by the present invention is: in order to prevent the drying airflow from flowing through the gap between the inner and outer drums and affecting the drying effect, the present invention is provided with an air blocking structure, which can be provided on the drum, the outer drum, the sealing gasket or the inner door of the drum. For example, an elastically extended air blocking structure can be provided on the sealing gasket.

[0030] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0031] 1. The present invention provides ventilation holes on the drum that are connected to the outside, so that the inside of the drum without dehydration holes can be ventilated with the outside, so that the airflow in the external air duct and the airflow in the drum can circulate with each other, and the clothes in the drum can be dried; in addition, by setting the drum of the clothes processing device as a sealed container without dehydration holes, the drum can have the dual functions of a water-containing outer drum and a stirring drum at the same time, avoiding the occurrence of dirt remaining on the outer wall of the drum and the inner wall of the outer drum caused by the flow of washing water between the inner and outer drums, improving the cleanliness of the drum of the clothes processing device, and achieving the purpose of washing without washing;

[0032] 2. The breathable valve provided by the present invention fixes one side of the memory alloy valve plate to the housing of the breathable valve and sets the other side freely. Under the deformation caused by temperature change, the suspended side of the valve plate bends the valve plate shielding the channel in the direction of the airflow to open the breathable channel, thereby increasing the valve plate opening of the breathable valve and improving the breathability effect.

[0033] 3. A plurality of memory alloy valve plates can be arranged in the air valve provided by the present invention. When valve plates of different compositions are arranged in the same air valve, the bending deformations of the valve plates under the same temperature conditions can be different, thereby changing the direction of the air flow; and by arranging air valves with different positions and valve plate materials in the radial direction of the corresponding air inlet end of the drum, the direction of the air flow sent into the drum can be staggered or diffused, thereby improving the drying effect.

[0034] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0036] Figure 1 is a schematic structural diagram of a washing machine in an embodiment of the present invention;

[0037] Figure 2 and Figure 3 is a schematic structural diagram of the air-permeable valve in Example 2 of the present invention;

[0038] Figure 4 and Figure 5 is a schematic diagram of the cross-sectional structure of the air-permeable valve in different states in Example 1 of the present invention;

[0039] Figure 6 is a schematic diagram of the structure of the valve plate in an embodiment of the present invention;

[0040] Figure 7 and Figure 8 is a schematic diagram of the cross-sectional structure of the air-permeable valve in different states in Example 2 of the present invention;

[0041] Fig. 9 It is a schematic diagram of the cross-sectional structure of the air-permeable valve in different states in Example 3 of the present invention.

[0042] Description of the main components in the figure: outer shell 1, outer cylinder 2, drum 3, air duct 4, air valve 5, machine door 16, drum cover 17, fan 40, dehumidification device 41, heating device 42, outer cylinder mouth 201, outer cylinder side wall 202, outer cylinder bottom 203, drum mouth 301, drum side wall 302, drum bottom 303, valve seat 51, valve seat first end 511, valve seat second end 512, first groove 513, valve cover 52, fixing column 521, step structure 522, second groove 523, channel 53, shell 54, valve plate 55, first valve plate 551, second valve plate 552, grid structure 56, perforation 57.

[0043] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0045] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] like Figures 1 to 9 As shown, an embodiment of the present invention introduces a clothing processing device, which includes a drum 3 for independently holding washing water when washing clothes, thereby avoiding the problem that the washing water cross-flows inside and outside the drum 3 during the washing process of the washing machine, causing the washing water to be contaminated by dirt and bacteria accumulated outside the drum; a drying system is used to dry the load in the drum to obtain dry clothes, etc., thereby achieving the effect of improving the quality of life of users.

[0048] In an embodiment of the present invention, the drying system includes an air duct 4 which is connected to the drum 3 at both ends to form a circulating air path; a fan 40 is installed in the air duct 4, so that a circulating airflow flowing in a single direction is formed in the circulating air path formed by the drum 3 and the air duct 4; a dehumidification device 41 is also installed in the air duct 4 to dehumidify the circulating airflow flowing therethrough, so as to achieve the effect of reducing the humidity of the airflow in the circulating air path and drying the load in the drum 3; at the same time, in an embodiment of the present invention, in order to increase the drying rate of the load in the drum 3 and accelerate the vaporization of water adsorbed in the load, a heating device 42 can be set in the air duct 4 to heat the circulating airflow flowing therethrough, thereby achieving the effect of increasing the temperature in the drum 3, heating the load in the drum 3 and accelerating the drying rate.

[0049] In the embodiment of the present invention, when the clothes processing device executes the drying program, the drying system is controlled to start, and the fan 10 is used to form a circulating airflow in the circulating air path formed by the air duct 4 and the drum 3. When the circulating airflow flows through the drum 3, it fully contacts the load in the drum 3, and after carrying the moisture in the load, it becomes wet and hot drying air, flows out of the drum 3 and flows into the air duct 4; after the wet and hot drying air flows into the air duct 4, it contacts the dehumidification device 41 in the air duct 4, so that the wet and hot drying airflow is converted into a dry drying airflow and then flows back into the drum 3, and the circulation is repeated in this way. Preferably, in order to improve the drying rate, a heating device 42 can be installed in the air duct 4, so that the dry drying airflow after the dehumidification treatment by the dehumidification device 41 contacts the heating device 42, and is heated to form a high-temperature dry drying airflow before flowing back into the air duct.

[0050] In the embodiment of the present invention, the drying system can be any existing device that can dehumidify and dry clothes, for example, a heat pump system; the heat pump system is composed of a compressor, an evaporative radiator, a throttling device and a condensing heat absorber connected end to end in sequence to form a circulation flow channel for circulating the cooling medium; the condensing heat absorber and the evaporative radiator are installed in the air duct 4 of the clothing treatment device in sequence along the flow direction of the circulating airflow, so that the airflow flowing out of the drum 3 first exchanges heat with the condensing heat absorber to condense and separate the water vapor contained therein, and then exchanges heat with the evaporative radiator to heat and form a high-temperature dry airflow, and finally the high-temperature dry airflow flows back into the drum 3 to reduce the humidity in the drum and increase the temperature in the drum 3, thereby achieving the effect of drying the load in the drum 3. Thus, the condensing heat absorber of the heat pump system constitutes the dehumidification device 41, and the evaporative radiator constitutes the heating device 42, so as to achieve the effect of drying the load in the drum.

[0051] In the embodiment of the present invention, in order to ensure that the drum 3 is rotatably installed in the housing 1 of the laundry processing device and connected to the air duct 4 fixed in the housing 1, the following settings are performed:

[0052] like Figure 1 As shown, in the embodiment of the present invention, the laundry processing device comprises a housing 1, an outer drum 2 is arranged inside the housing 1, and the outer drum 2 is connected to the washing machine housing 1 via shock-absorbing suspension springs and shock-absorbing support rods at the top and bottom, respectively, so as to achieve the purpose that the outer drum 2 can be installed in the washing machine housing 1 in a vibrating manner. A coaxially arranged drum 3 is arranged inside the outer drum 2; the outer drum 2 and the drum 3 are respectively composed of a cylindrical outer drum side wall 202 and a drum side wall 302, and the corresponding ends of the outer drum 2 and the drum 3 on the same side are provided with openings opened opposite to each other to form a drum opening 301 and an outer drum opening 201, respectively, and the corresponding ends on the other side are sealed to form a drum bottom 303 and an outer drum bottom 203, respectively. At the same time, a machine door 16 that can be opened outwards is installed at the front end of the washing machine housing 1, so as to achieve the corresponding closure or opening of the outer drum opening 201 by opening and closing the machine door 16; and a drum cover 17 that can be opened outwards is installed on the drum 3, so as to achieve the corresponding closure or opening of the drum opening 301 by opening and closing the drum cover 17. Thus, the effect of installing the drum 3 which can rotate relative to the axis and form a closed water container during washing in the outer drum 2 is achieved. The two ends of the air duct 4 are respectively connected to the outer drum 2, and a vent hole connected to the outer drum 2 is arranged on the drum 3, and a vent valve 5 is installed at the vent hole. The valve plate of the vent valve 5 is made of a memory alloy, and the shape memory property is used to open or close the drying channel under certain temperature conditions. While ensuring the sealing of the water inlet in the drum, the purpose of forming a circulating air path through the air duct 4 and the drum 3 rotating around the axis through the outer drum 2 and drying the load in the drum 3 can also be achieved.

[0053] In the embodiment of the present invention, the center of the drum bottom 303 is coaxially arranged with the motor shaft of the washing machine driving motor to drive the drum 1 to rotate, and the drum 1 and the driving motor are both fixedly mounted on the outer drum 3. Preferably, the drum bottom 303 and the driving motor are respectively arranged on both sides of the outer drum bottom 203, the driving motor is fixedly connected to the outer drum 2, the motor shaft of the driving motor passes through the outer drum bottom 203 through a bearing, and is coaxially fixedly connected with the drum bottom 303, and the motor shaft of the driving motor can rotate relative to the outer drum 2, so as to achieve the purpose of installing the drum 3 and the driving motor on the outer drum 2, and allowing the drum 3 to rotate alone under the action of the driving motor to wash the internal clothes. Preferably, the motor shaft of the driving motor directly constitutes the drum shaft, and the drum shaft is coaxially fixedly connected with the drum bottom 303 of the drum 3.

[0054] Example 1

[0055] like Figures 4 to 6 As shown, this embodiment provides a breathable valve 5, including a shell 54, a channel 53 communicating with the outside is provided in the shell 54, and a valve plate 55 is provided in the channel 53, one side of which is connected to the shell 54 and the opposite side is suspended; the valve plate 55 is made of a memory alloy, and generates or restores deformation with changes in ambient temperature to conduct or block the channel 53.

[0056] In this embodiment, Figure 4 and Figure 5 As shown, the shell 54 includes a valve seat 51 arranged around the periphery of the air flow, and the channel 53 is formed inside the valve seat 51; a valve cover 52 is fastened to the first end 511 of the valve seat 51, and the side of the valve plate 55 connected to the shell 54 is clamped between the valve cover 52 and the valve seat 51.

[0057] In this embodiment, Figure 6 As shown, the portion of the valve plate 55 clamped by the valve seat 51 and the valve cover 52 is provided with a plurality of through holes 57 , each through hole 57 is respectively penetrated by a plug-in column, and both ends of the plug-in column are respectively connected to the valve cover 52 and the valve seat 51 .

[0058] In this embodiment, the air-permeable valve 5 includes a valve seat 51, a valve plate 55 and a valve cover 52. The valve seat 51 plays a supporting role, and the valve cover 52 presses the valve seat 51 and plays a role in fixing the valve plate 55. The valve seat 51 and the valve cover 52 structure can isolate the contents of the drum 3 from the valve plate 55 to prevent the metal valve plate from cutting the clothes. The valve seat 51 is a sleeve-shaped structure, and a channel 53 for the ventilation airflow to flow is formed inside the sleeve-shaped valve seat 51. Furthermore, the cross-section of the valve seat 51 in the ventilation airflow direction is any one or a combination of polygonal, circular, and elliptical.

[0059] In this embodiment, the outer periphery of the valve plate 55 is in corresponding contact with the inner wall of the channel 53 surrounded by the sleeve-shaped valve seat 51, so that the valve plate 55 covers the radial cross-section of the channel 53. Under the restrictive action of the valve cover 52, the valve plate 55 can only bend and deform along the direction of the channel 53, so that the air valve 5 constitutes a one-way air valve 5 that can only be opened under the action of drying and heating.

[0060] Example 2

[0061] like Figure 2 , Figure 3 , Figure 7 and Figure 8 As shown, this embodiment provides a breathable valve 5, including a shell 54, a channel 53 communicating with the outside is provided in the shell 54, and a valve plate 55 is provided in the channel 53, one side of which is connected to the shell 54 and the opposite side is suspended; the valve plate 55 is made of a memory alloy, and generates or restores deformation with changes in ambient temperature to conduct or block the channel 53.

[0062] In this embodiment, the housing 54 includes a valve seat 51 arranged around the periphery of the air flow, and the passage 53 is formed inside the valve seat 51; a valve cover 52 is buckled on the first end 511 of the valve seat 51, and the side of the valve plate 55 connected to the housing 54 is sandwiched between the valve cover 52 and the valve seat 51. The difference between this embodiment and embodiment 1 is that the cross section of the valve seat 51 in the air flow direction of this embodiment is a rectangle with transitional rounded corners.

[0063] In this embodiment, Figure 7 As shown, a first end of the valve seat 51 is provided with a plurality of valve plates 55, and the valve plates 55 are spliced ​​together to block the passage 53 of the valve seat; Figure 8 As shown, each valve plate 55 deforms and bends toward the second end 522 opposite to the first end 511 as the ambient temperature rises, so as to make the channel 53 conductive; and after the temperature drops to the initial state, each valve plate 55 restores its deformation and blocks the channel 53.

[0064] In this embodiment, the valve plate 55 on the air-permeable valve 5 is made of a memory alloy, which is a material with shape memory properties and can restore the memory shape at a specific temperature. The material is usually selected from nickel-titanium alloy, gold-cadmium alloy, and copper-zinc alloy. When the air-permeable valve 5 is applied to a clothing processing device using a non-porous drum, during the washing and rinsing stages, the air-permeable valve 5 is at room temperature, and the valve plate 55 is in an extended state, blocking the channel 53 of the air-permeable valve 5 to keep it closed to prevent the washing and rinsing water from leaking out; and during the drying stage, the higher temperature drying airflow is sent to the air-permeable valve 5, and the suspended side of the valve plate 55 is bent to one side under the bending deformation caused by the temperature rise, so as to conduct the channel 53 and send the drying airflow into or out of the drum 3.

[0065] In this embodiment, each valve disc 55 is connected to the outer peripheral side of the valve seat 51 and is sandwiched between the valve seat 51 and the valve cover 52 . Each valve disc 55 is suspended near the axis side of the valve seat 51 .

[0066] In this embodiment, Figure 7 As shown, the first end 511 of the valve seat 51 is divided into two parts along the midline on the radial section, and the two parts are respectively covered with a first valve plate 551 and a second valve plate 552; the relatively distant sides of the first valve plate 551 and the second valve plate 552 are respectively clamped between the outer periphery of the valve seat 51 and the valve cover 52, and the relatively close sides are suspended; the relatively close sides of the first valve plate 551 and the second valve plate 552 that are suspended are correspondingly fitted, or at least partially overlapped.

[0067] In this embodiment, the memory alloys used in the first valve plate 551 and the second valve plate 552 have different compositions, so that the first valve plate 551 and the second valve plate 552 have different deformation degrees under the same temperature increase condition, which can change the airflow angle through the air permeable valve 5.

[0068] In this embodiment, Figure 8 As shown, a first groove 513 recessed away from the valve seat 51 is provided on one side of the valve cover 52 facing the periphery of the valve seat 51 , and a step structure 522 corresponding to the first groove is provided on the periphery of the valve seat toward the valve cover. The first groove 513 and the step structure 522 cooperate to clamp the valve plate 55 .

[0069] In this embodiment, Figure 7 As shown, the valve cover 52 and the second end 512 of the valve seat 51 are respectively provided with a grid structure 56, and the channel 53 is connected to the outside of the shell 54 through the hollow part of the grid structure 56; the valve plate 55 is in contact with the grid structure 56 on the side facing the valve seat 51, and the valve plate 55 at least covers the hollow part.

[0070] Example 3

[0071] like Fig. 9 As shown, this embodiment is another implementation scheme of the breathable valve 5, which is different from embodiment 2 in that:

[0072] In this embodiment, a fixing column 521 abutting against the valve cover 52 is provided in the middle of the valve seat 51 along the air flow direction, and the side of each valve plate 55 connected to the valve seat 51 is clamped between the fixing column 521 and the valve cover 52, and each valve plate 55 is suspended near the outer peripheral side of the valve seat 51.

[0073] In this embodiment, the fixing column 521 extends from the second end 512 of the valve seat 51 to the first end 511, and its width is consistent with the width of the valve seat 51, so that the valve plate 55 installed thereon can play the role of blocking the channel 53. The fixing column 521 is partially in contact with the valve cover 52 to achieve the valve plate 55 being clamped between the fixing column 521 and the valve cover 52. The fixing column 521 is provided with a second groove 523 that is recessed in a direction away from the valve cover 52 on one side facing the valve cover 52, and the second groove 523 cooperates with the valve cover 52 to clamp the valve plate 55. Preferably, a portion of the valve plate 55 clamped by the fixing column 521 and the valve cover 52 is provided with a plurality of through holes, and each through hole 57 is respectively penetrated by a plug-in column, and both ends of the plug-in column are respectively connected to the valve cover 52 and the fixing column 521.

[0074] In this embodiment, the first end 511 of the valve seat 51 is divided into two parts along the center line on the radial cross section, and the two parts are respectively covered with the first valve plate 551 and the second valve plate 552; the relatively close sides of the first valve plate 551 and the second valve plate 552 are clamped between the fixed column 521 and the valve cover 52, and the relatively far sides are suspended, and the center line of the radial cross section of the first end 511 coincides with the fixed column 521.

[0075] The other implementations of this embodiment are the same as those of Embodiment 2.

[0076] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. A laundry processing device comprising a drum mounted in a housing and constituting a sealed water container when the washing machine is in a washing state; characterized in that: The drum is provided with air holes, and air valves are respectively provided at the air holes; The air-permeable valve comprises a shell, a passage communicating with the outside is provided in the shell, a valve plate is provided in the passage, one side of the valve plate is connected to the shell, and the other side is suspended in the air; the valve plate is made of a memory alloy, and generates or restores deformation with the change of ambient temperature to open or block the passage; The housing of the air vent valve is correspondingly assembled in the air vent, the outer periphery of the housing is sealed and fitted with the inner wall of the air vent, and the two ends of the channel provided in the housing are connected with the inside and outside of the drum; At least one air hole equipped with the air valve is respectively provided at the opposite ends of the drum, and the air holes at the two ends of the drum are respectively connected with the air inlet end and the air outlet end of the air duct outside the drum in a one-to-one correspondence; the air hole provided at one end of the drum is connected with the air inlet end of the air duct, and the valve cover of the air valve at the air hole is arranged toward the inside of the drum; the air hole provided at the other end of the drum is connected with the air outlet end of the air duct, and the valve cover of the air valve at the air hole is arranged toward the outside of the drum; Among the several air-permeable valves provided at the air inlet end of the corresponding air duct of the drum, the composition of the memory alloy used in each valve plate is different. Under the same temperature rising conditions, the valve plates deform to different degrees, and guide the incoming air into the drum in different directions to form turbulence.

2. The clothes treating device according to claim 1, characterized in that: The shell comprises a valve seat arranged around the periphery of the air flow, and the passage is formed inside the valve seat; a valve cover is buckled on the first end of the valve seat, and a side of the valve sheet connected to the shell is clamped between the valve cover and the valve seat.

3. The clothes treating device according to claim 2, characterized in that: A plurality of valve plates are provided at the first end of the valve seat, and the valve plates are spliced ​​together to block the channel of the valve seat; as the ambient temperature increases, the valve plates deform and bend toward the second end opposite to the first end to make the channel conductive; and after the temperature drops to the initial state, the valve plates restore their deformation to block the channel.

4. The clothes treating device according to claim 3, characterized in that: Each valve plate is connected to the outer peripheral side of the valve seat and is clamped between the valve seat and the valve cover, and each valve plate is suspended near the valve seat axis side; or, a fixing column abutting the valve cover is provided in the middle of the valve seat along the air flow direction, and one side of each valve plate connected to the valve seat is clamped between the fixing column and the valve cover, and each valve plate is suspended near the outer peripheral side of the valve seat.

5. The clothes processing device according to any one of claims 1 to 4, characterized in that: The first end of the valve seat is divided into two parts along any straight line on the radial section, and the two parts are respectively covered with a first valve plate and a second valve plate; the composition of the memory alloy used in the first valve plate and the second valve plate is different, so that the deformation degree of the first valve plate and the second valve plate under the same temperature rising conditions is different.

6. The clothes treating device according to claim 5, characterized in that: The relatively far sides of the first valve disc and the second valve disc are respectively clamped between the outer periphery of the valve seat and the valve cover, and the relatively close sides are suspended in the air. Alternatively, the relatively close sides of the first valve disc and the second valve disc are clamped between the fixed column and the valve cover, and the relatively far sides are suspended in the air, and any straight line of the radial cross section of the first end coincides with the fixed column.

7. The clothes treating device according to claim 6, characterized in that: Any straight line is a center line on a radial cross section of the first end of the valve seat, and relatively close sides of the first valve plate and the second valve plate that are suspended are correspondingly fitted, or at least partially overlapped.

8. The clothes processing device according to any one of claims 1 to 3, characterized in that: A first groove is provided on the side of the valve cover facing the outer periphery of the valve seat, which is recessed away from the valve seat; a step structure corresponding to the first groove is provided on the outer periphery of the valve seat towards the valve cover, and the first groove and the step structure cooperate to clamp the valve plate; or, a second groove is provided on the side of the fixing column facing the valve cover, which is recessed away from the valve cover, and the second groove cooperates with the valve cover to clamp the valve plate.

9. The clothes processing device according to any one of claims 1 to 3, characterized in that: The second ends of the valve cover and the valve seat are respectively provided with a grid structure, and the channel is connected to the outside of the shell through the hollow part of the grid structure; the valve plate is in corresponding contact with the grid structure facing the side of the valve seat, and the valve plate at least covers the hollow part.

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