CN205258890U - Washing machine - Google Patents

Abstract

The utility model discloses a washing machine, which belongs to the field of household electrical appliances and solves the problem that water treatment cannot be frequently selected and replaced in the prior art. The technical solution for solving the problem mainly includes a cabinet and a control seat. cylinder, the inner cylinder is located in the outer cylinder, the control seat includes a base and a cover plate, the base is provided with a water treatment device, the water treatment device includes a shell and an inner core, the shell has a first inner cavity, and the inner core is installed in the first inner cavity Inside, the shell includes a first upper shell and a first lower shell, the first lower shell has a water inlet hole and a water outlet hole, the inner core has a water treatment channel connecting the water inlet hole and the water outlet hole, the first upper shell and the water outlet hole The first lower shell is detachably connected, the cover plate is installed on the base and the first lower shell is positioned on the base, the cover plate is provided with a core changing hole, and the first upper shell exposes the cover plate through the core changing hole. The utility model is mainly used for washing clothes.

Description

a washing machine

technical field

The utility model relates to a household appliance, in particular to a washing machine.

Background technique

In the existing washing machines, although the washing water is purified or softened, most of the purification or softening processes are relatively simple, and only the purification function or the softening function can be realized, and the user cannot be provided with a certain right to use. That is, the user cannot consider purifying or softening the washing water according to actual needs, so the user's needs cannot be better met.

Contents of the invention

The purpose of the utility model is to provide a washing machine with multiple water treatment methods, which is convenient for users to replace inner cores with different water treatment functions according to needs.

In order to achieve the above object, the utility model adopts the following technical scheme: a washing machine, including a cabinet assembly, a water inlet assembly, a water treatment device, an outer cylinder and an inner cylinder, the water inlet assembly is arranged in the cabinet assembly and enters water into the outer cylinder The water treatment device is connected with the water inlet assembly to perform water treatment on the incoming water. The water treatment device includes a shell and an inner core, the inner core is detachably installed in the shell, and the shell includes a first upper shell and a second shell. A lower casing, the first lower casing is fixedly connected to the chassis assembly, the first upper casing is detachably connected to the first lower casing, and the outer wall of the casing assembly is provided with a corresponding first upper casing and used It is used to disassemble the first upper shell and the core replacement hole of the inner core.

As a preferred solution, the chassis assembly includes a box and a support, so the support is fixedly connected to the box, and the first lower casing is fixed on the support.

In a further preferred solution, a fixing member is provided under the support member, and the fixing member is connected to the first lower casing through screws, and the screw is connected to the first lower casing through the fixing member and the support member.

In a further preferred solution, the bottom of the first lower casing is provided with a water outlet joint, and a water outlet hole is provided in the water outlet joint, and a first through hole for the water outlet joint to pass is provided on the support member. The bottom of the part is provided with a protective cover covering the bottom end of the water outlet joint, the protective cover is correspondingly located below the first through hole, and the fixing part is a protective cover.

In a further preferred solution, a water inlet joint is provided at the bottom of the first lower casing, a water inlet hole is provided in the water inlet joint, and a second through hole for the water inlet joint to pass through is provided on the support member , the protective cover covers the bottom end of the water inlet joint.

In a further preferred solution, the outer surface of the water outlet joint is provided with a first rib, the protective cover presses the first rib against the lower end of the first through hole, and the protective cover and the support member clamp the first rib. The ribs position the water outlet joint, the outer surface of the water inlet joint is provided with a second rib, and the protective cover presses the second rib against the lower end of the second through hole, and the protective cover and the support member clamp the second rib. The ribs position the water inlet connector.

As a preferred solution, the washing machine is a pulsator washing machine, and the cabinet assembly also includes a control seat arranged on the top of the box body, the control seat includes a seat body and a cover plate, and the cover plate is closed on the seat body, so The supporting member is a seat body, the core changing hole is set on the cover plate, the outer peripheral side of the first lower shell has a first positioning rib, and the cover plate is pressed on the first positioning rib to press the first lower shell The body is pressed tightly on the seat body.

In a further preferred solution, the first positioning rib surrounds the first lower housing for a circle, and the bottom of the core replacement hole on the cover plate is provided with a pressure ring that presses on the first positioning rib.

In a further preferred solution, the seat body is provided with a positioning groove for accommodating the first lower casing, and the first through hole and the second through hole are located on the bottom surface of the positioning groove.

As a preferred solution, the washing machine is a drum washing machine, the box body has a top wall body, the core changing hole is arranged on the top wall body of the box body, a bracket is provided on the top of the box body, and the support member is fixedly connected to the bracket body .

In a further preferred solution, the support includes a bottom plate and a connecting arm, one end of the connecting arm is connected to the bottom plate as a whole, the other end of the connecting arm is fixedly connected to the top wall of the box, and the bottom plate is provided with a screw for The screw through holes passing through, the first through hole and the second through hole are provided on the base plate.

In a further preferred solution, the connecting arms are distributed around the circumference of the bottom plate, and a positioning groove for accommodating the first lower casing is formed between the connecting arms and the bottom plate.

As a preferred solution, the inner core is a soft water filter element, the soft water filter element includes a second lower shell and a second upper shell, the second upper shell is detachably connected to the second lower shell, the The first upper casing presses on the second upper casing to position the soft water filter element, the second lower casing has a second inner cavity filled with soft water medium, and the second lower casing is provided with a The first water inlet connecting pipe, the pipe hole of the first water inlet connecting pipe communicates with the water inlet hole, the top of the pipe hole of the first water inlet connecting pipe communicates with the second inner cavity, the second lower shell The bottom is provided with a first water outlet through hole connecting the second inner cavity with the first inner cavity, and the pipe hole of the first water inlet connecting pipe, the second inner cavity and the first water outlet through hole are sequentially connected to form a water treatment channel.

As a preferred solution, the inner core is a water purification filter, and the water purification filter includes a third lower casing, a third upper casing and a third top cover, and the third upper casing and the third lower casing The detachable sealing connection, the third top cover is fixed on the top of the third upper case, the first upper case presses on the third top cover to position the water purification filter element, and the third lower case has two A first-stage filter chamber, the third upper case has a first-stage filter chamber, a water inlet chamber is formed between the first upper case and the third top cover, and a second water inlet chamber is provided in the third upper case An intermediate connecting pipe is provided in the third lower housing, the second water inlet connecting pipe is connected to the intermediate connecting pipe, the intermediate connecting pipe is connected to the water inlet joint, and the pipe hole of the second water inlet connecting pipe passes through the intermediate connecting pipe The pipe hole of the second water inlet connects with the water inlet hole, and the top of the second water inlet pipe extends into the water inlet chamber so that the pipe hole of the second water inlet pipe communicates with the water inlet chamber, and the water inlet chamber is connected with the top of the primary filter chamber connected, the bottom of the primary filter cavity communicates with the top of the secondary filter cavity, the third lower housing is provided with a second water outlet through hole that communicates the secondary filter cavity with the first inner cavity, and the intermediate connecting pipe The pipe hole of the pipe, the pipe hole of the second water inlet connecting pipe, the water inlet cavity, the primary filter cavity, the secondary filter cavity and the second water outlet through hole are connected in sequence to form a water treatment channel.

As a preferred solution, the first upper shell and the first lower shell are connected by rotating buckle or thread, the first upper shell is sleeved on the outer side of the upper end of the first lower shell, and the first upper shell The inner side wall of the body is provided with a first limit protrusion, and the outer wall of the first lower housing is provided with a second limit protrusion, and the second limit protrusion is located at the movement track of the first limit protrusion. end.

After adopting the above technical solution, the utility model has the following advantages: the user only needs to separate the first upper casing from the first lower casing to replace the inner core according to different usage requirements, and then can replace different functions through the core replacement hole. As long as the inner core of the first lower shell is taken out and put into the inner core that needs to be used, such as the soft water inner core or the water purification inner core, the replacement operation is very simple and convenient. The first upper shell and the first The connection method of the lower case can also adopt a simple and practical method, such as screw connection, buckle connection, etc., which is convenient for the user to operate with one hand, and saves time and effort.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the schematic diagram of the utility model embodiment one;

Fig. 2 is the top view of the control seat in the first embodiment;

Fig. 3 is the axonometric view of the control seat in the first embodiment;

Fig. 4 is an exploded view of the control seat and the water treatment device in Embodiment 1;

Figure 5 is a schematic diagram of the connection between the water treatment device and the water inlet valve and the detergent box in Embodiment 1;

Fig. 6 is the front view of the control seat in the first embodiment;

Fig. 7 is a sectional view of A-A direction in Fig. 6;

Figure 8 is an enlarged view of II in Figure 7;

Figure 9 is an enlarged view of III in Figure 8;

Fig. 10 is the enlarged view of I place in Fig. 4;

Fig. 11 is the enlarged view of place IV in Fig. 8;

Figure 12 is an enlarged view at V in Figure 8;

Figure 13 is an axonometric view of the water purification filter element in Embodiment 1;

Figure 14 is an enlarged view at VI in Figure 8;

Fig. 15 is a cross-sectional view of the water softening filter element in Embodiment 1;

Figure 16 is an axonometric view of the water softening filter element in Embodiment 1;

Figure 17 is an axonometric view of the housing in Embodiment 1;

Figure 18 is an enlarged view at VII in Figure 17;

Figure 19 is a front view of the housing in Embodiment 1;

Fig. 20 is a sectional view of B-B direction in Fig. 19;

Figure 21 is an enlarged view at VIII in Figure 20;

Fig. 22 is a schematic diagram of the second embodiment of the utility model;

Fig. 23 is the top view of embodiment two (casing has no top wall body);

Fig. 24 is a schematic diagram of the supporting member in the second embodiment.

detailed description

Embodiment one:

As shown in Figures 1 to 11, the utility model provides a pulsator washing machine. The cabinet assembly includes a cabinet 1 and a control seat 2. The cabinet 1 is provided with an outer cylinder 11 and an inner cylinder 12, and the inner cylinder 12 is located in the outer cylinder 11. , the control seat 2 is installed on the top of the cabinet 1, the control seat 2 includes a seat body 21 and a cover plate 22, the seat body 21 is provided with a clothes insertion port 200, the seat body 21 is provided with a water treatment device 3, and the water treatment device 3 is located at The rear side of the clothes delivery port 200 is provided with a detergent box 23 on the rear side of the clothes delivery port 200. The water inlet assembly includes a water inlet valve 24 and a water inlet pipe 241. The water inlet valve 24 is installed on the detergent box 23. The water treatment device 3 includes an outer shell 31 and an inner core 32, the outer shell 31 has a first inner cavity 3100, the inner core 32 is installed in the first inner cavity 3100, the outer shell 31 includes a first upper shell 311 and a first lower shell 312, the first lower shell 310 The casing 312 has a water inlet hole 3101 and a water outlet hole 3102. The inner core 32 has a water treatment channel connecting the water inlet hole 3101 and the water outlet hole 3102. The water inlet valve 24 communicates with the water inlet hole 3101 through the water inlet pipe 241, and the water outlet hole 3102 passes through The water outlet pipe 231 communicates with the detergent box 23, and the detergent box 23 drains water into the outer cylinder. In this embodiment, the seat body 21 is used as a support for supporting and positioning the water treatment device 3, the cover plate 22 is installed on the seat body 21 and the first lower casing 312 is positioned on the seat body 21, the first upper casing 311 and the first The lower casing 312 is detachably connected, and the cover plate 22 is provided with a core replacement hole 221. The user operates the first upper casing 311 through the core replacement hole 221. After the first upper casing 311 is disassembled, the core replacement hole 221 can be used. Take out the inner core 32 from the outer shell 31, then replace the inner core 32 and put it into the outer shell 31, and then install the first upper shell 311.

In the utility model, since the water enters the water treatment device 3 through the water inlet valve 24, it must pass through the water treatment channel of the inner core 32 before entering the detergent box 23, so it can be ensured that the washing machine is treated before using water, such as soft water treatment or water treatment. Of course, the water inlet valve 24 can also be set as a three-way valve, which is connected to the detergent box 23 and the water treatment device 3 respectively. When water treatment is required, the control water enters the water treatment device 3. Go directly to the detergent box 23. In addition, to replace the inner core 32 according to different usage requirements, the user only needs to separate the first upper shell 311 from the first lower shell 312, and then the inner core with different functions can be replaced through the core replacement hole 221 of the cover plate 22. 32, as long as the inner core 32 in the first lower casing 312 is taken out, and the inner core 32 to be used is put in, such as the water purification filter element 32A or the soft water filter element 32B, the replacement operation is very simple and convenient, the first upper casing 311 The connection with the first lower housing 312 can also be in a simple and practical way, such as screw connection, snap connection, etc., which is convenient for the user to operate with one hand, and saves time and effort.

In order to prevent the first inner chamber 3100 from forming a negative pressure and affecting the flow of water, a vent joint 3122 is provided on the first lower housing 312. There is a vent hole in the vent joint 3122 that communicates with the first inner chamber 3100. The vent joint 3122 is connected to There is a vent pipe 3123, and the vent pipe 3123 is connected to the detergent box 23, so as to ensure that the pressure inside the first inner chamber 3100 is the same as that outside, so that the water in the first inner chamber 3100 can flow freely under the action of gravity.

Regarding the positioning of the first lower case 312, the outer peripheral side of the first lower case 312 has a first positioning rib 3121, and the cover plate 22 presses on the first positioning rib 3121 to position the first lower case 312 on the base 21. . The first positioning rib 3121 surrounds the first lower housing 312 for a circle, and the bottom of the cover plate 22 at the core replacement hole 221 is provided with a pressure ring 222 pressing on the first positioning rib 3121 . It is conceivable that the first positioning ribs 3121 can also be arranged in sections and distributed discretely around the first lower casing 312 , and the pressure ring 222 can also be arranged in sections. When the cover plate 22 is connected to the seat body 21, the first lower casing 312 is naturally pressed on the seat body 21 without additional steps, which is very convenient. Of course, for the fixing of the first lower casing 312 to be more stable and reliable, the seat body 21 is provided with a positioning groove 2100 matching with the bottom of the first lower casing 312 .

Since the first upper shell 311 and the first lower shell 312 need to be disassembled when the inner core 32 is replaced, it may cause the bottom of the first lower shell 312 to be unstable. Therefore, in order to further increase the first lower shell 312 The fixing stability of the seat body 21 is provided with a fixing piece, and the fixing piece is connected with the first lower casing 312 by screws, and the screw passes through the fixing piece, and the seat body 21 is connected with the first lower casing 312. In this embodiment, since the bottom of the first lower housing 312 is provided with a water outlet joint 33, the water outlet hole 3102 is located in the water outlet joint 33, and the seat body 21 is located in the positioning groove 2100 and is provided with a first passage for the water outlet joint 33 to pass through. The hole 2101, the fixing part is the protective cover 25, the protective cover 25 is correspondingly located under the positioning groove 2100, and the protective cover 25 covers the bottom end of the water outlet joint 33. In order to simplify the structure and make the design more compact, a water inlet joint 34 is provided at the bottom of the first lower housing 312, the water inlet hole 3101 is located in the water inlet joint 34, and the seat body 21 is located in the positioning groove 2100. The second through hole 2102 through which the water inlet connector 34 passes, and the protective cover 25 covers the bottom end of the water inlet connector 34 . In this way, the protective cover 25 covers the water outlet connector 33 and the water inlet connector 34 at the same time, so as to prevent the water outlet connector 33 and the water inlet connector 34 from shifting during the transportation or use of the washing machine and cause the water treatment device 3 to leak.

As can be seen in conjunction with Fig. 8, Fig. 10 and Fig. 15, the water inlet joint 34 and the water outlet joint 33 extend downward into the protective cover 25, and then pass out from the side of the protective cover 25, and the protective cover 25 has holes for setting screws The wing plate 251 of 81, the screw through hole 81 is also set on the seat body 21, then the screw column 82 is set at the bottom of the first lower housing 312, and the screw 8 passes through the screw through hole 81 of the protective cover 25 and the seat body in turn The screw through hole 81 of 21 is fixedly connected with screw column 82 behind, thereby protective cover 25 is fixed. The fixed structure of the protective cover 25 can be used to promote better positioning of the water inlet joint 34 and the water outlet joint 33. Referring back to FIG. The convex rib 331 is pressed on the lower end of the first through hole 2101, the protective cover 25 and the seat body 21 clamp the first convex rib 331 to position the water outlet joint 33, the outer surface of the water inlet joint 34 is provided with a second convex rib 341, and the protective cover 25 presses the second rib 341 on the lower end of the second through hole 2102, and the protective cover 25 and the seat body 21 clamp the second rib 341 to position the water inlet joint 34. Corresponding to the first rib 331, a first step 2103 is provided at the lower end of the first through hole 2101, and the first rib 331 is pressed in the first step 2103, and corresponding to the second rib 341, in the A second step 2104 is provided at the lower end of the second through hole 2102 , and the second rib 341 is pressed into the second step 2104 .

The bottom of the first lower housing 312 is respectively provided with a first connecting hole 3103 sealingly fitted with the water outlet joint 33 and a second connecting hole 3104 sealingly fitted with the water inlet joint 34, and the water outlet joint 33 extends into the first connecting hole 3103 , but the upper end of the water outlet joint 33 does not protrude from the first connecting hole 3103, so as to avoid affecting the axial positioning of the inner core 32, a sealing ring 9 is provided between the outer wall of the water outlet joint 33 and the first connecting hole 3103, and the water inlet The joint 34 directly passes through the second connecting hole 3104, and the upper end of the water inlet joint 34 will participate in the radial limit of the inner core 32, and a sealing ring is arranged between the outer wall of the water inlet joint 34 and the second connecting hole 3104 9. In addition, the water outlet connector 33 and the water inlet connector 34 can also be integrally formed directly with the first lower casing 312 .

In this embodiment, two types of replaceable inner cores 32 are provided, including a water purification filter element 32A and a water softening filter element 32B. Since the principles and processes of water purification and softening water are somewhat different, the water purification filter element 32A and the water softening filter element 32B are the first The fixation in the lower housing 312 will be slightly different, and in FIG. 8 the water purification filter element 32A is placed, so the structure of the water purification filter element 32A will be described first.

8, 12 to 14, the water purification filter element 32A includes a third lower case 32A1, a third upper case 32A2 and a third top cover 32A3, the third upper case 32A2 and the third lower case 32A1 are detachable The sealing connection, for example, is realized by rotating the buckle to cooperate with the seal ring 9, or threaded connection, the present embodiment adopts the former, the third top cover 32A3 is fixed on the top of the third upper casing 32A2, and the first upper casing 311 presses The water purification filter element 32A is positioned on the third top cover 32A3, the third lower casing 32A1 has a secondary filter cavity 3200, the third upper casing 32A2 has a primary filter cavity 3201, the first upper casing 311 and the third top cover A water inlet cavity 3203 is formed between the covers 32A3, a second water inlet connecting pipe 32A4 is provided in the third upper casing 32A2, an intermediate connecting pipe 32A5 is provided in the third lower casing 32A1, and the second water inlet connecting pipe 32A4 is connected with the intermediate connecting pipe 32A5 , the intermediate connecting pipe 32A5 is connected with the water inlet joint 34, the pipe hole 3204 of the second water inlet connecting pipe communicates with the water inlet hole 3101 through the pipe hole 3205 of the intermediate connecting pipe, and the top of the second water inlet connecting pipe 32A4 extends into the water inlet chamber 3203 so that the first The pipe hole 3204 of the second water inlet connects with the water inlet chamber 3203, the water inlet chamber 3203 communicates with the top of the primary filter chamber 3201, the bottom of the primary filter chamber 3201 communicates with the top of the secondary filter chamber 3200, and the third lower shell The body 32A1 is provided with a second water outlet through hole 3206 that communicates the secondary filter cavity 3200 with the first inner cavity 3100 . The pipe hole 3205 of the intermediate pipe, the pipe hole 3204 of the second water inlet pipe, the water inlet chamber 3203, the primary filter chamber 3201, the secondary filter chamber 3200 and the second water outlet through hole 3206 are sequentially connected to form a water treatment channel.

A radial limiting rib 3111 is provided on the first upper housing 311, and a radial limiting groove 3207 cooperating with the radial limiting rib 3111 is arranged on the third top cover 32A3, and the radial limiting groove 3207 is a ring groove, and the radial limiting rib 3111 can be an arc-shaped rib or an annular rib, the radial limiting rib 3111 extends downward, the opening of the radial limiting groove 3207 faces upward, and the radial limiting rib 3111 extends downward. The cooperation between the positioning rib 3111 and the radial limiting groove 3207 will not affect the rotation action when the first upper shell 311 and the first lower shell 312 are screwed together. It is conceivable that radial limiting grooves 3207 are set on the first upper casing 311 and radial limiting grooves 3207 are set on the third top cover 32A3, which is also feasible. Specifically, the third top cover 32A3 is fixed on the top of the third upper casing 32A2, and a step surface 3208 is provided on the top of the cavity wall of the primary filter cavity 3201, and the third top cover 32A3 is packed into the primary filter cavity 3201 and is formed by the step surface. 3208, and then the third top cover 32A3 is pressed tightly by the first upper casing 311. The third top cover 32A3 completely sinks into the third upper casing 32A2, so the radial limiting groove 3207 cooperates with the radial limiting rib 3111 to radially limit the top of the water purification filter element 32A, while the third upper casing The top of the body 32A2 is not only higher than the third top cover 32A3, but also higher than the top of the first lower casing 312, and the first upper casing 311 presses on the third upper casing 32A2 to axially position the top of the water purification filter element 32A. At the same time, after removing the first upper casing 311, the user can conveniently hold the top of the third upper casing 32A2 to lift the entire water purification filter element 32A. On the outer wall of the third upper casing 32A2, there are three to four radial limiting ribs 3209 arranged on the outer wall of the third upper casing 32A2. The rib 3209 abuts against the inner side wall of the first lower case 312 , thereby limiting the middle part of the third upper case 32A2 radially.

The bottom of the water purification filter element 32A is radially limited by the water inlet joint 34. The specific radially limited structure is provided on the bottom of the third lower housing 32A1 and at the bottom of the pipe hole 3205 connected in the middle. There is an upwardly concave third sink platform 3210, the third sink platform 3210 is coaxial with the pipe hole 3205 of the intermediate connecting pipe and the diameter of the third sinking platform 3210 is greater than the diameter of the pipe hole 3205 of the intermediate connecting pipe, and the water inlet joint 34 is inserted into the third sinking platform. In the platform 3210 , a sealing ring 9 is provided between the outer wall of the water inlet joint 34 and the inner wall of the third sunken platform 3210 , so as to realize the connection between the intermediate connecting pipe 32A5 and the water inlet joint 34 . In the same principle, a similar second sinking platform 3211 is provided at the bottom of the pipe hole 3204 of the second water inlet connecting pipe, so that the intermediate connecting pipe 32A5 can be inserted into the second sinking platform 3211 for sealing connection. When the water purification filter element 32A is pressed against the inner bottom surface of the first lower casing 312, the axial positioning of the bottom end of the water purification filter element 32A is naturally realized.

In order to facilitate the user to replace the inner core 32, only the radial limiting ribs 3209 on the outer wall of the water purification filter element 32A will contact the inner wall of the first lower housing 312, that is to say, the outer wall of the third lower housing 32A1 is in contact with the inner wall of the first lower housing 312. There is a gap between the inner side walls of the first lower case 312, and there is a gap between other parts of the outer side walls of the third upper case 32A2 and the inner side walls of the first lower case 312, so the water purification filter element 32A and the first The contact area of the lower case 312 is very small, so the friction will naturally be relatively small, and it is not easy to cause the water purification filter element 32A to be stuck due to the different axis of the first lower case 312 during replacement, and the radial limit ribs 3209 extends along the axial direction of the third upper casing 32A2 , which not only realizes radial positioning, but also facilitates the user to install the water purification filter element 32A into the first lower casing 312 . In order to install the water purification filter element 32A more smoothly, a transition surface 3212 is also provided at the lower end of the radial limiting rib 3209, which can be inclined or arc-shaped.

In addition, the bottom of the third upper housing 32A2 is provided with an intermediate through hole 3213 connecting the bottom of the primary filter cavity 3201 and the top of the secondary filter cavity 3200. In this embodiment, the intermediate through hole 3213 is larger in diameter. hole, which is equivalent to the bottom end of the third lower housing 32A1 being open, which can facilitate the replacement of the medium in the primary filter cavity 3201 and the cleaning of the primary filter cavity 3201, so the outer side of the second water inlet connection 32A4 The wall is provided with a disc body 3214 that isolates the medium in the primary filter cavity 3201 from the medium in the secondary filter cavity 3200, and there is a gap 3215 between the outer wall of the disc body 3214 and the hole wall of the middle through hole 3213. The width of 3215 is smaller than the particle size of the medium in the primary filter cavity 3201 , and the disc body 3214 is provided with a flow hole 3216 for the water in the primary filter cavity 3201 to flow into the secondary filter cavity 3200 .

The medium in the primary filter chamber 3201 is generally coarsely filtered, and the accumulation medium, such as activated carbon, is mainly used to absorb impurities such as rust, sediment and residual chlorine in the water. The secondary filter chamber 3200 performs fine filtration, using braided materials or porous solids. In this embodiment, the filter membrane 3219 is used to not only filter fine impurities, but also filter the fine powder separated from the medium in the primary filter chamber 3201. Lose. The fixing method of the filter membrane 3219 is referred to in Fig. 14. Specifically, the filter membrane 3219 adopts a cylindrical structure, and an upper positioning groove 3217 is arranged on the outer bottom surface of the third upper housing 32A2, and the upper end of the filter membrane 3219 is formed by the upper positioning groove 3217. Positioning, the lower positioning groove 3218 is set on the inner bottom surface of the third lower casing 32A1, the lower end of the filter membrane 3219 is positioned by the lower positioning groove 3218, and the second water outlet through hole is set on the side wall of the third lower casing 32A1 3206 , under the action of water flow pressure, the filter membrane 3219 will be close to the inner wall of the third lower casing 32A1 without deformation. Since the filter membrane 3219 is used, the rotation angle between the third lower case 32A1 and the third upper case 32A2 should be reduced to prevent the upper end of the filter membrane 3219 from being damaged when the third lower case 32A1 and the third upper case 32A2 are connected. The driving causes the filter membrane 3219 to be distorted, so the sealing ring 9 is preferably rotated and snap-fitted to realize the sealing connection between the third lower casing 32A1 and the third upper casing 32A2, instead of threaded connection.

The structure of the soft water filter element 32B is relatively simple, because no layer softening is required, and only a cavity filled with soft water medium is needed. Therefore, with reference to Fig. 15 and Fig. 16 , the base 21 is not shown, but those skilled in the art can The basic structure is conceived from FIG. 8 . As can be seen in Fig. 15 and Fig. 16, the soft water filter element 32B includes a second lower case 32B1 and a second upper case 32B2, and the second upper case 32B2 is detachably connected with the second lower case 32B1, here with the net The difference of the water filter element 32A is that the threaded connection is optimized, the structure is simple, and the threaded connection itself has a sealing effect. Of course, in order to further improve the sealing effect, a sealing ring 9 is embedded on the inner top surface of the second upper casing 32B2, and the second upper casing 32B2 After being connected with the second lower case 32B1, the sealing ring 9 is pressed on the top surface of the second lower case 32B1, the first upper case 311 is pressed on the second upper case 32B2 to position the soft water filter element 32B, and the second The second lower housing 32B1 has a second inner cavity 3220 filled with soft water medium. The second lower housing 32B1 is provided with a first water inlet connecting pipe 32B3 connected to the water inlet joint 34. The pipe hole 3221 of the first water inlet connecting pipe is connected to the water inlet The water hole 3101 communicates, the top of the pipe hole 3221 of the first water inlet connection communicates with the second inner cavity 3220 , and the bottom of the second lower housing 32B1 is provided with a first hole that communicates the second inner cavity 3220 with the first inner cavity 3100 . In addition to the axial positioning of the soft water filter element 32B by the first upper shell 311 and the first lower shell 312, the water outlet through hole 3222 is radially limited on the top and bottom of the soft water filter element 32B, firstly on the second upper shell. The outer wall of the housing 32B2 is provided with an annular rib 3223 extending around the circumference of the second upper housing 32B2, and the annular rib 3223 cooperates with the inner wall of the first lower housing 312 to realize the radial limitation of the top of the soft water filter element 32B. position, followed by a structure similar to the second sinking platform 3204 of the second water inlet connection pipe hole 3204, and the first sinking platform 3224 is also provided at the bottom of the first water inlet connection pipe hole 3221, and the first sinking platform 3224 It is coaxial with the pipe hole 3204 of the second water inlet pipe and the diameter of the first sunken platform 3224 is larger than the diameter of the pipe hole 3204 of the second water inlet pipe. The water inlet joint 34 is inserted into the first sunken platform 3224. A sealing ring 9 is arranged between the outer side wall of the first sunken platform 3224 and the inner side wall of the first sinking platform 3224, so as to realize the radial limit to the bottom of the soft water filter element 32B. The pipe hole 3221 of the first water inlet connecting pipe, the second inner cavity 3220 and the first water outlet through hole 3222 are sequentially connected to form a water treatment channel.

In order to facilitate the user to take out the soft water filter element 32B from the first lower casing 312, as shown in Figure 16, two slots 3225 are provided on the top surface of the second upper casing 32B2 to facilitate the insertion of the user's fingers. The groove 3225 is center-symmetrical about the axis of the second upper case 32B2.

In this embodiment, corresponding to the water purification filter element 32A and the soft water filter element 32B, there are two first upper casings 311, so that the user can observe what kind of inner core 32 is installed in the outer casing 31 through the first upper casing 311. Of course, a first upper casing 311 will be added in this way. In addition, only one first upper casing 311 may be provided, and when the soft water filter element 32B is used, the radial limiting ribs 3111 of the first upper casing 311 press on the top of the soft water filter element 32B.

In this embodiment, the first upper shell 311 is screwed to the first lower shell 312, and the first upper shell 311 is sleeved on the outer side of the upper end of the first lower shell 312, in order to let the user feel the first upper shell 311 and the first lower casing 312 have been sealed and connected reliably, and there is no need to tighten them too much. As shown in Figure 17 and Figure 18, a first stop protrusion 3105 is provided on the inner side wall of the first upper casing 311, and the first lower The outer wall of the housing 312 is provided with a second limiting protrusion 3106 , and the second limiting protrusion 3106 is located at the end point of the movement track of the first limiting protrusion 3105 . Here, the end point of the movement track of the first limiting protrusion 3105 means that the first limiting protrusion 3105 follows the movement of the first upper casing 311 to a position where the first upper casing 311 and the first lower casing 312 are sealed and connected reliably. . The first limiting protrusion 3105 is located at the bottom end of the inner wall of the first upper housing 311 , and the second limiting protrusion 3106 is located at the lower end of the external thread on the outer wall of the first lower housing 312 . When the user tightens the first upper casing 311, the first upper casing 311 will be plastically deformed due to the blocking of the second limiting protrusion 3106, and it can be felt that the first limiting protrusion 3105 has passed the second limiting protrusion. When the protrusion 3106 jumps, there will be a slight "click" sound, and the user can know that the first upper casing 311 and the first lower casing 312 have been sealed and connected reliably, and the user does not need to tighten the first upper casing. The casing 311 , so that it is convenient to unscrew the first upper casing 311 when the inner core 32 is replaced next time. The interference between the first limiting protrusion 3105 and the second limiting protrusion 3106 is about 1.5-2 mm. The cross-sectional shape of the first limiting protrusion 3105 can be trapezoidal, triangular, semicircular or rectangular, and the cross-sectional shape of the first limiting protrusion 3105 can be trapezoidal, triangular or semicircular. In addition, two second limiting protrusions 3106 can also be arranged consecutively, as shown in Figure 19 to Figure 21, a limiting groove 3107 is formed between the two second limiting protrusions 3106, and the user feels the first limiting. After the positioning protrusion 3105 passes over the first and second positioning protrusions 3106, it stops rotating the first upper casing 311, so that the first positioning protrusion 3105 falls into the positioning groove, so that the washing machine is running. Vibration will not make the first position-limiting protrusion 3105 break away from the position-limiting groove, and the first upper case 311 will not accidentally rotate relative to the first lower case 312, so that the first upper case 311 and the first lower case The body 312 connection becomes tighter or looser.

Embodiment two:

The utility model is also applicable to a drum washing machine, as shown in Figure 22 and Figure 23 is a drum washing machine, the cabinet assembly includes a cabinet 1, a control seat 2 and a support 4, the control seat 2 is installed on the top of the front end of the cabinet 1, It can be seen from FIG. 22 that the top of the water treatment device 3 is exposed from the top wall of the box body 1 , and the core replacement hole 221 is provided on the top wall body of the box body 1 . In conjunction with Fig. 23, after omitting the top wall of the box body 1, it can be seen that the top of the box body 1 is provided with a bracket 13, and the support member 4 is fixedly connected to the bracket 13, and the bracket 13 is also used to fix the detergent box 23 at the same time. The water inlet valve 24 is connected to the water treatment device 3 through the water inlet pipe 241 , and the water treatment device 3 is connected to the detergent box 23 through the water outlet pipe 231 . The structure of the support 4 is shown in Figure 24, the support 4 includes a base plate 41 and a connecting arm 42, one end of the connecting arm 42 is connected with the base plate 41 as a whole, the other end of the connecting arm 42 is fixedly connected with the bracket 13, the connecting arm The other end of 42 can be fixedly connected with the bracket 13 by using screws, riveting or welding, etc. The bottom plate 41 is provided with a screw through hole 81 for the screw to pass through, and the first through hole 2101 and the second through hole 2102 Set on the bottom plate 41. In view of the cylindrical shape of the water treatment device 3, the bottom plate 41 adopts a circular plate, the connecting arms 42 are distributed around the circumference of the bottom plate 41, and a positioning groove for accommodating the first lower casing is formed between the connecting arms 42 and the bottom plate 41, and the connecting arms The inner side wall 421 of 42 adopts an arc surface, and the inner side wall 421 of the connecting arm 42 refers to the side wall facing the housing. The inner side wall 421 of the two connecting arms 42 as shown in FIG. . The number of connecting arms 42 can be increased.

Regarding the structure of the water treatment device 3 and the replacement of the inner core, reference may be made to Embodiment 1.

In addition to the above-mentioned preferred embodiment, the utility model also has other embodiments, and those skilled in the art can make various changes and deformations according to the utility model, as long as they do not depart from the spirit of the utility model, all should belong to the claims of the utility model The range defined in .

Claims (15)

1. a washing machine, comprise chassis component, water inlet component, water treatment facilities, urceolus and inner core, described water inlet component is located at chassis component and is intake in urceolus, water treatment facilities is connected with water inlet component carrying out water treatment, it is characterized in that: described water treatment facilities comprises shell and inner core, described inner core is removably mounted in shell, described shell comprises the first upper shell and the first lower house, described the first lower house is fixedly connected with chassis component, described the first upper shell and the first lower house removably connect, the outer wall of described chassis component is provided with corresponding the first upper shell and for dismounting the first upper shell, inner core change core hole.

2. washing machine according to claim 1, is characterized in that: described chassis component comprises casing and support member, so support member is fixedly connected with casing, described the first lower house is fixed on support member.

3. washing machine according to claim 2, is characterized in that: described support member below is provided with fixture, and described fixture is connected with the first lower house by screw, and described screw is connected with the first lower house through fixture, support member.

4. washing machine according to claim 3, it is characterized in that: the bottom of described the first lower house is provided with water out adapter, in described water out adapter, be provided with apopore, described support member is provided with the first through hole passing through for water out adapter, described support member bottom is provided with the protective cover of the bottom that covers water out adapter, described protective cover correspondence is positioned at the below of the first through hole, and described fixture is protective cover.

5. washing machine according to claim 4, it is characterized in that: the bottom of described the first lower house is provided with water supply connector, in described water supply connector, be provided with inlet opening, described support member is provided with the second through hole passing through for water supply connector, and described protective cover covers the bottom of water supply connector.

6. washing machine according to claim 5, it is characterized in that: the lateral surface of described water out adapter is provided with the first convex tendon, described protective cover is pressed in the first convex tendon the lower end of the first through hole, described protective cover and support member clamp the first convex tendon water out adapter are located, the lateral surface of described water supply connector is provided with the second convex tendon, described protective cover is pressed in the second convex tendon the lower end of the second through hole, and described protective cover and support member clamp the second convex tendon water supply connector is located.

7. washing machine according to claim 5, it is characterized in that: described washing machine is rotary drum washing machine, described chassis component also comprises the control block that is located at casing top, described control block comprises pedestal and cover plate, described cover plate covers on pedestal, and described support member is pedestal, described in change core hole and establish on the cover board, the circumferential lateral surface of described the first lower house has the first positioning bar, and described cover plate is pressed on the first positioning bar the first lower house is pressed on pedestal.

8. washing machine according to claim 7, is characterized in that: described the first positioning bar is around the first lower house one week, is positioned at the bottom of changing core hole and is provided with the trim ring being pressed on the first positioning bar on described cover plate.

9. washing machine according to claim 7, is characterized in that: described pedestal is provided with the locating slot of accommodating the first lower house, and described the first through hole and the second through hole are positioned on the bottom surface of locating slot.

10. washing machine according to claim 5, is characterized in that: described washing machine is roller washing machine, and described casing has roof body, described in change on the roof body that core hole is located at casing, casing top is provided with support, support member is fixedly connected on support.

11. washing machines according to claim 10, it is characterized in that: described support member comprises base plate and linking arm, one end and the base plate of described linking arm connect as one, the other end of linking arm is fixedly connected with support, described base plate is provided with the screwing through hole passing for screw, and described the first through hole and the second through hole are located on base plate.

12. washing machines according to claim 11, is characterized in that: described linking arm, around the circumferential distribution of base plate, forms the locating slot of accommodating the first lower house between linking arm and base plate.

13. according to the arbitrary described washing machine of claim 5 to 12, it is characterized in that: described inner core is soft water filter core, described soft water filter core comprises the second lower house and the second upper shell, described the second upper shell is connected with the second lower house removable seal, described the first upper shell is pressed on the second upper shell soft water filter core is located, described the second lower house has the second inner chamber of filling soft water medium, in described the second lower house, being provided with the first water inlet being connected with water supply connector takes over, the pore that described the first water inlet is taken over is communicated with inlet opening, the top of the pore that described the first water inlet is taken over is communicated with the second inner chamber, the bottom of described the second lower house is provided with the first water outlet through hole that the second inner chamber is communicated with the first inner chamber, the pore that the first water inlet is taken over, the second inner chamber and the first water outlet through hole are communicated with formation water treatment passage successively.

14. according to the arbitrary described washing machine of claim 5 to 12, it is characterized in that: described inner core is water purification catridge, described water purification catridge comprises the 3rd lower house, the 3rd upper shell and the 3rd top cover, described the 3rd upper shell is connected with the 3rd lower house removable seal, described the 3rd top cover is fixed on the top of the 3rd upper shell, described the first upper shell is pressed on the 3rd top cover water purification catridge is located, described the 3rd lower house has cascade filtration chamber, described the 3rd upper shell has single filter chamber, between described the first upper shell and the 3rd top cover, form intake antrum, in described the 3rd upper shell, being provided with the second water inlet takes over, in described the 3rd lower house, be provided with middle adapter, described the second water inlet is taken over and is connected with middle adapter, described middle adapter is connected with water supply connector, the pore that described the second water inlet is taken over is communicated with inlet opening by the pore of middle adapter, intake antrum is stretched at the top that described the second water inlet is taken over makes the pore of the second water inlet adapter be communicated with intake antrum, described intake antrum is communicated with the top in single filter chamber, the bottom in described single filter chamber is communicated with the top in cascade filtration chamber, described the 3rd lower house is provided with the second water outlet through hole that cascade filtration chamber is communicated with the first inner chamber, the pore of described middle adapter, the pore that the second water inlet is taken over, intake antrum, single filter chamber, cascade filtration chamber and the second water outlet through hole are communicated with formation water treatment passage successively.

15. according to the arbitrary described washing machine of claim 1 to 12, it is characterized in that: described the first upper shell with the first lower house by rotary buckle or be threaded, described the first upper shell is enclosed within the outside of the first lower house upper end, the madial wall of described the first upper shell is provided with the first spacing preiection, the lateral wall of described the first lower house is provided with the second spacing preiection, and described the second spacing preiection is positioned at the terminal of the first spacing preiection movement locus.