CN210141357U - Valve assembly and domestic appliance - Google Patents

Abstract

The utility model provides a valve member and life utensil, the valve member includes: the valve comprises a valve body, a valve cavity and a valve core, wherein the valve cavity is formed in the valve body and is provided with an inlet, an outlet and a mounting opening; the filtering piece is positioned in the valve cavity and can be assembled and disassembled with the valve body; the valve cover is detachably connected with the valve body and shields the mounting opening; and the sealing element is matched with the valve cover and the valve body and seals a gap between the valve cover and the mounting opening. The valve member that this scheme provided, the user can open the valve gap according to the demand to will filter the piece via the installing port and tear out and change or wash, avoided filtering the problem that blocks up, simultaneously, also need not the user and change valve member frequently, the product is environmental protection more, economy, and the utilization sealing member that wherein sets up is to the structure that valve and valve gap are sealed, can further compromise the leakproofness between valve gap and the valve body, make between valve gap and the valve body loading and unloading many times be difficult to leak.

Description

Valve assembly and domestic appliance

Technical Field

The utility model relates to a valve field particularly, relates to a valve member and a life utensil.

Background

In the processes of production, manufacture, connection and the like, plastic chips, carbon particles as filter materials or other foreign matters are inevitably generated in a pipeline system, and when the foreign matters flow in the pipeline, the foreign matters easily enter positions of a diaphragm of a booster water pump, a sealing surface of a valve and the like, so that the problem of internal sealing failure of the parts is caused.

In view of the above problems, the prior art solutions are: the water inlet of the valve is additionally provided with a filtering piece for filtering foreign matters, and when foreign matters exist in the pipeline, the filtering piece directly intercepts the foreign matters, so that the foreign matters are prevented from entering the sealing surfaces of the pump and the valve, and the problem of failure of internal sealing is solved. However, such valves have problems: once the filter element is blocked, the valve can be replaced, and the cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, an object of the present invention is to provide a valve assembly.

Another object of the present invention is to provide a living appliance.

To achieve the above object, an embodiment of the first aspect of the present invention provides a valve assembly, including: the valve comprises a valve body, a valve cavity and a valve core, wherein the valve cavity is formed in the valve body and is provided with an inlet, an outlet and a mounting opening; the filtering piece is positioned in the valve cavity and can be assembled and disassembled with the valve body; the valve cover is detachably connected with the valve body and shields the mounting opening; and the sealing element is matched with the valve cover and the valve body and seals a gap between the valve cover and the mounting opening.

The valve component provided by the above embodiment of the utility model, the filter element is positioned in the valve cavity of the valve body, so as to intercept foreign matters flowing through the valve cavity, and solve the problem of sealing failure caused by foreign matter circulation and clamping stagnation, and in the design, the filter element and the valve body can be assembled and disassembled, and the valve cover and the valve body can be detachably connected to correspondingly control the opening and closing of the mounting port through the assembling and disassembling of the filter element and the valve body, so that a user can open the valve cover according to the requirement, and the filter element can be disassembled through the mounting port for replacement or cleaning, thereby avoiding the problem of filter element blockage, meanwhile, the user does not need to frequently replace the valve component, realizing the cyclic use of the valve component, so that the product is more environment-friendly and economical, and the sealing performance between the valve cover and the valve body can be further considered, and the leakage is not easy to occur when, effectively prevent valve gap and installing port department weeping and pollute the problem of the environment on every side, promote the use of product and experience and reliability.

In addition, the present invention provides the valve assembly in the above embodiment, which may further have the following additional technical features:

in the above technical scheme, one of the valve cover and the valve body is provided with a positioning groove, a part of the sealing element is located in the positioning groove, and the other of the valve cover and the valve body is abutted against the sealing element and presses the sealing element into the positioning groove.

In this scheme, set for the position groove on valve gap or valve body and be used for fixing a position the sealing member, like this, can restrict the removal of sealing member, avoid the sealing member dislocation to arouse the sealed inefficacy problem to promote the position precision of sealing member, thereby promote the sealed cooperation accuracy nature of sealing member and valve gap and valve body, further promote sealed reliability.

In any one of the above technical solutions, the valve cover includes a first inserting portion and a first thread structure located on the first inserting portion, the valve body includes a second inserting portion and a second thread structure located on the second inserting portion, the first inserting portion and the second inserting portion are inserted in an inserting manner, and the first thread structure is in threaded connection with the second thread structure to lock the valve cover and the valve body.

In this scheme, the valve gap sets up first portion of inlaying and inserts and be located the first helicitic texture that inlays the portion of inserting, the valve body sets up the second and inlays the portion of inserting and be located the second helicitic texture that the second inlays the portion of inserting, utilize first portion of inlaying and the cooperation of inlaying of second portion of inlaying and inserting, can realize counterpointing between valve gap and the valve body and realize counterpointing between first helicitic texture and the second helicitic texture, thereby promote the equipment precision and the firm nature of equipment between promotion valve gap and the valve body, so can correspondingly make the sealing member to more stable between valve gap and the valve body, reliable, and through this structure, make and can close soon between valve body and the valve gap and screw up and realize the locking, have the convenient advantage of loading and unloading, thereby realized between valve gap and the valve body taking into account of loading and unloading convenience and sealing reliability.

In any of the above technical solutions, the first insertion portion and the second insertion portion clamp the sealing member.

In this scheme, make first portion of inlaying and insert and the tight sealing member of second portion of inlaying and realize that valve body and valve gap are sealed, like this, the valve body realizes integratedly with the seal part with the assembly part of valve gap (like the position of inlaying and inserting and threaded connection between first portion of inlaying and the second portion of inlaying and inserting) and seal part, the size chain between the assembly part of valve gap and valve body and the seal part is shorter, and thus can further promote the sealed reliability of equipment and the stability between valve gap and the valve body, and this structure can realize that the sealing member hides the arrangement, slow down the ageing of sealing member, and reduce the impaired risk of sealing member, prolong product life.

In any one of the above technical solutions, one of the first inserting portion and the second inserting portion includes a groove, and the other includes an extending portion extending into the groove, wherein the sealing member is disposed on a surface of the extending portion corresponding to the bottom wall of the groove, and the sealing member is compressed by the bottom wall of the groove.

In this scheme, set up the sealing member between the relative surface of stretching into portion and recess diapire, thus, stretch into the portion and close soon and stretch into the assembling process in the recess, also will stretch into the portion and close the in-process of screwing up soon with the recess promptly, along with stretching into the volume increase of stretching into of portion to the recess, make the corresponding increase of the volume that compresses tightly of sealing member, and not only convenient assembling, and can compensate to the tolerance volume between the part through the equipment, and thus, the valve gap, adaptability between valve body and the sealing member is better, the leakproofness of product is also more secure, and this structure closes soon at valve gap and valve body and screws up after, the resilience volume of utilizing the sealing member can promote interlock pretension between first helicitic texture and the second helicitic texture, be difficult for getting off between valve gap and the valve body like this, assembly reliability and stability are better.

In any of the above technical solutions, the sealing member includes an O-ring.

In this scheme, the sealing member includes O type sealing washer, when guaranteeing sealing reliability, has simple structure, easily assembly, advantage such as with low costs.

In any one of the above technical solutions, the valve cover is provided with a limiting structure, and the limiting structure is connected with the filtering member and locks the filtering member and the valve cover.

In this scheme, set up limit structure on the valve gap in order to be used for filtering piece and lock in the valve gap, thus, when opening the valve gap, usable valve gap will filter a piece and pull out, and need not to withhold from the valve intracavity and get and filter a piece, the loading and unloading operation of filtering piece is simpler, and convenient, and utilize limit structure also can realize the valve gap and filter a piece location, in valve gap and the valve body assembling process like this, can realize simultaneously filtering piece location in the valve body, the step of filtering piece and the independent loading and unloading of valve body has been saved, and more do benefit to and guarantee to filter the assembly precision of piece in the valve body, promote.

In any one of the above technical solutions, the limiting structure includes a limiting rib, the limiting rib is configured into a ring shape with a circumferential closed or a circumferential unclosed ring shape, one end of the filter element is inserted into an area enclosed by the limiting rib, and the filter element is clamped and limited by the limiting rib.

In this scheme, it is spacing to set up that annular spacing muscle cramps the one end of filtering piece, realizes the valve gap and filters the locking of equipment between the piece, has simple structure, filters the piece and the valve gap between easy dismounting's advantage, and limit structure is convenient for wash like this also, when realizing the dismouting purpose, avoids collecting together or jamming the foreign matter on the valve gap, promotes the inside cleanness of product.

In any of the above technical solutions, the filter member includes a filter screen, the filter screen encloses a cavity, and two opposite ends of the cavity are respectively provided with an opening.

In this scheme, set up the filter screen and close to enclose that both ends have the open-ended cavity, like this, pull down the back with the filter screen, can wash by water in to the cavity from the opening of cavity one end to wash out the spot in the filter screen from the opening of the other end, it is more convenient to filter the washing of piece, and the figurative filter screen of cavity also can realize enlarging filter area, thereby promote filtration efficiency, and reduce the frequency of changing and washing of filtering the piece, promote the convenient to use nature of product.

In any of the above technical solutions, the cavity is in a cylindrical shape, and the openings are formed at two axial ends of the cavity.

In this scheme, the cavity is the barrel shape, like this, when washing the cavity, can more easily rush out the dirt on the cavity inner wall, avoid the dirt to remain, further promote washing convenience and the cleaning performance to filtering the piece.

In any of the above technical solutions, the valve chamber includes a first passage and a second passage, the first passage is provided with the inlet, and the second passage is provided with the outlet; the mounting opening is formed at one end of the first channel, the cavity is located in the first channel, one opening of the cavity corresponds to the valve cover and is blocked by the valve cover, the other opening of the cavity is communicated with the inlet, an annular gap is defined by the outer side face of the cavity and the inner wall face of the first channel in a surrounding mode, and the second channel is communicated with the annular gap.

In this scheme, form the annular space between the internal face of lateral surface and the first passageway of cavity, the foreign matter is blocked in the cavity, and the liquid of straining is discharged into the second passageway via the annular space, and such structure can utilize the filter area of filter screen more fully, promotes filtration efficiency to effectively guarantee the filter effect.

In the above technical scheme, a closing-up portion is constructed in the first passage, one end of the first passage, which is far away from the mounting opening, is formed with the inlet, the closing-up portion is located between the mounting opening and the inlet, one end of the filter piece, which is far away from the valve cover, is abutted against the closing-up portion, and the annular space is located in an interval between the mounting opening and the closing-up portion of the first passage.

In this scheme, utilize binding off portion can realize filtering and fix a position and support in the valve body, thus, filter the structure that forms both ends and support via valve gap and binding off portion, it is more stable in the valve body to filter the piece, be difficult to the pine and take off, make the filter effect of filtering the piece more have the reliability, and in this scheme, binding off portion and filtering piece support by, can play sealed effect that blocks, avoid the foreign matter to get into the annular gap via the gap between filtering piece and the first passageway inner wall, further promote the filtration interception effect of filtering the piece to the foreign matter, and can avoid the foreign matter to get into the problem that causes in the annular gap and filter the piece jamming.

In any of the above solutions, the valve assembly further comprises: the valve core is movably connected with the valve body; a coil assembly adapted to drive the valve element between an on position, in which the valve element brings about conduction between the inlet and the outlet, and an off position, in which the valve element brings about cutoff between the inlet and the outlet.

In this scheme, coil pack drives the valve core and moves between the position of switching on and off, utilizes coil pack and valve core to realize the switch of valve member, and control is simpler, more accurate.

An embodiment of the second aspect of the present invention provides a life appliance, including a valve assembly as described in any of the above technical solutions.

The utility model discloses the life utensil that above-mentioned embodiment provided is through being provided with among the above-mentioned arbitrary technical scheme the valve assembly to have above whole beneficial effect, no longer give consideration to here.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a valve assembly according to an embodiment of the present invention;

fig. 2 is an enlarged partial schematic view of the valve assembly shown in fig. 1.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

10 valve body, 11 inlet, 12 outlet, 13 mounting port, 14 first channel, 141 annular gap, 142 closing part, 15 second channel, 16 second thread structure, 17 positioning groove, 18 extending part, 20 filtering piece, 21(a/b) opening, 22 limiting rib, 30 valve cover, 31 first thread structure, 32 groove, 40 sealing piece, 50 valve core, 60 coil component and 70 fastening support.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The valve assembly and the domestic appliance according to some embodiments of the present invention will be described with reference to fig. 1 and 2.

As shown in fig. 1, an embodiment of the first aspect of the present invention provides a valve assembly, including: a valve body 10, a filter member 20, a valve cover 30, and a sealing member 40.

A valve cavity is formed in the valve body 10, and the valve cavity is provided with an inlet 11, an outlet 12 and a mounting port 13, and it can be understood that the inlet 11, the outlet 12 and the mounting port 13 are respectively communicated with the valve cavity. The inlet 11 and the outlet 12 are used for the valve assembly to be connected into the respective pipe system.

The filter 20 is located in the valve cavity to intercept foreign matters flowing through the valve cavity and solve the problem of sealing failure caused by circulation and clamping stagnation of the foreign matters. Wherein the filter member 20 and the valve body 10 are detachable, so that the filter member 20 can be detached from the valve body 10.

The bonnet 30 is used for covering the mounting opening 13 by the bonnet 30, wherein the bonnet 30 is detachably connected with the valve body 10 to correspondingly control the opening and closing of the mounting opening 13 through the assembling and disassembling of the bonnet 30 and the valve body 10, namely, the bonnet 30 and the valve body 10 form a detachable connection, so that the bonnet 30 and the valve body 10 can be assembled together according to requirements, the bonnet 30 covers the mounting opening 13 in a state that the bonnet 30 is assembled with the valve body 10, and the bonnet 30 and the valve body 10 can be opened according to requirements to open the mounting opening 13. Like this, the user can open valve gap 30 as required to tear out to filter 20 via installing port 13 and change or wash, avoided filtering the problem that filter 20 blockked up, simultaneously, also need not the user and frequently more change valve subassembly, realized valve subassembly circulation and used, make the product environmental protection more, economy.

The sealing member 40 is engaged with the bonnet 30 and the valve body 10 and seals a gap between the bonnet 30 and the mounting opening 13. Can further compromise the leakproofness between valve gap 30 and the valve body 10 like this for loading and unloading are difficult to between valve gap 30 and the valve body 10 and leak many times, prevent effectively that valve gap 30 and installing port 13 from leaking the problem that the liquid pollutes surrounding environment, promote the use of product and experience and the reliability.

Example 1:

as shown in fig. 2, in addition to the features in the above embodiment, further defined are: one of the valve cover 30 and the valve body 10 is provided with a positioning groove 17, a part of the sealing member 40 is positioned in the positioning groove 17, and the other of the valve cover 30 and the valve body 10 abuts against the sealing member 40 and presses the sealing member 40 in the positioning groove 17. Thus, the movement of the sealing member 40 can be limited, the sealing failure caused by the dislocation of the sealing member 40 can be avoided, and the position precision of the sealing member 40 can be improved, so that the sealing matching precision of the sealing member 40 and the valve cover 30 and the valve body 10 can be improved, and the sealing reliability can be further improved.

For example, as shown in fig. 2, the sealing member 40 may be an O-ring, that is, the cross section of the sealing member 40 is substantially O-shaped, which has the advantages of simple structure, easy assembly, low cost, etc. while ensuring the sealing reliability. Accordingly, the positioning groove 17 may be an annular groove, so that the O-ring is positioned and limited in the annular positioning groove 17.

Preferably, as shown in fig. 2, the width of the positioning groove 17 is slightly larger than the width of the cross section of the O-ring, so that the positioning groove 17 and the O-ring are in clearance fit, and the assembly of the two is more convenient. It can be understood that the width of the positioning groove 17 is not too wide, so as to better realize the positioning and limiting effects of the O-ring. And through the width dimension of control constant head tank 17 for the O type sealing washer, can make constant head tank 17 can limit the compressive capacity of O type sealing washer to a certain extent, can avoid the O type sealing washer to be conquashed like this, promote the reliability of product. Of course, in other embodiments, the transition fit between the positioning groove 17 and the O-ring may be realized in a matching relationship.

Of course, the present disclosure is not limited thereto, and the sealing member 40 may be designed to be a U-shaped sealing ring, a V-shaped sealing ring, a Y-shaped sealing ring, etc. by a designer in the art according to specific requirements.

Example 2:

as shown in fig. 1, in addition to the features of any of the above embodiments, further defined are: the bonnet 30 includes a first insertion portion (see the groove 32 illustrated in fig. 1 in particular) and a first thread structure 31 on the first insertion portion, the valve body 10 includes a second insertion portion (see the protruding portion 18 illustrated in fig. 1 in particular) and a second thread structure 16 on the second insertion portion, the first insertion portion and the second insertion portion are in insertion fit, and the first thread structure 31 and the second thread structure 16 are in threaded connection to lock the bonnet 30 and the valve body 10.

For example, one of the first insertion portion and the second insertion portion includes a groove 32, and the other includes an extending portion 18, as shown in fig. 1, specifically, the first insertion portion is the groove 32, the second insertion portion is the extending portion 18, as an example, the outer side surface of the extending portion 18 is provided with a second thread structure 16, correspondingly, the second thread structure 16 is an external thread, the inner side surface of the groove 32 is provided with a first thread structure 31, correspondingly, the first thread structure 31 is an internal thread, the extending portion 18 extends into the groove 32 in a screwing manner, and the first thread structure 31 is in threaded connection with the second thread structure 16 in a process of screwing the extending portion 18 into the groove 32, so as to achieve threaded locking of the valve cover 30 and the valve body 10. Can promote the equipment precision and the firm nature of equipment between promotion valve gap 30 and the valve body 10 like this to correspondingly make sealing member 40 more stable, reliable to the sealed between valve gap 30 and the valve body 10, and through this structure, make and to close soon between valve body 10 and the valve gap 30 and screw up and realize the locking, have the convenient advantage of loading and unloading, can realize exempting from the instrument and dismantle, thereby realized between valve gap 30 and the valve body 10 that loading and unloading convenience and sealing reliability's compromise promotes.

Of course, the present disclosure is not limited thereto, and in other embodiments, the valve cover 30 may be assembled with the valve body 10 by using a flange structure.

Example 3:

as shown in fig. 1, in addition to the features in embodiment 2 described above, there are further defined: the first and second insertion portions clamp the sealing member 40. That is, the seal is achieved by the projection 18 and the groove 32 pinching the seal 40. Thus, the valve body 10 and the assembly part and the sealing part of the valve cover 30 are integrally arranged, the size chain between the assembly part and the sealing part of the valve cover 30 and the valve body 10 is short, so that the reliability and the stability of assembly sealing between the valve cover 30 and the valve body 10 can be further improved, the sealing element 40 can be hidden and arranged, the aging of the sealing element 40 is slowed down, the risk of damage to the sealing element 40 is reduced, and the service life of a product is prolonged.

For example, as shown in fig. 2, the seal 40 is provided on a surface of the protruding portion 18 corresponding to the bottom wall of the groove 32, and the seal 40 is pressed by the bottom wall of the groove 32. Like this, along with the volume of stretching into of portion 18 in to recess 32 increases, make the corresponding increase of the volume of compressing tightly of sealing member 40, and not only convenient assembling, and can compensate through the tolerance volume of assembling between the pair part, like this, valve gap 30, the adaptability between valve body 10 and the sealing member 40 is better, the leakproofness of product is also more secure, and this structure is after valve gap 30 and valve body 10 close the screw up soon, the resilience volume that utilizes sealing member 40 can promote interlock pretension between first helicitic texture 31 and the second helicitic texture 16, be difficult to the pine between valve gap 30 and the valve body 10 like this and take off, assembly reliability and stability are better.

Furthermore, as shown in fig. 2, a positioning groove 17 is formed on the surface of the protruding portion 18 corresponding to the bottom wall of the groove 32, a portion of the sealing member 40 is located in the positioning groove 17 to position the sealing member 40, the bottom wall of the groove 32 presses against the sealing member 40, and the bottom wall of the groove 32 and the bottom wall of the positioning groove 17 clamp the sealing member 40 to form a sealing fit connection between the valve cover 30 and the valve body 10.

Example 4:

as shown in fig. 1, in addition to the features of any of the above embodiments, further defined are: the valve cover 30 is provided with a limiting structure, and the limiting structure is connected with the filtering piece 20 and locks the filtering piece 20 and the valve cover 30. Like this, when opening valve gap 30, usable valve gap 30 will filter 20 and pull out, and need not to withhold from the valve intracavity and filter 20, it is simpler, convenient to filter the loading and unloading operation of 20, and utilize limit structure also can realize valve gap 30 and filter 20 location, in valve gap 30 and the valve body 10 assembling process, can realize simultaneously filtering 20 and fix a position in valve body 10, the step of filtering 20 and the independent loading and unloading of valve body 10 has been saved, and more do benefit to the assembly precision of guaranteeing to filter 20 in valve body 10, promote the filter effect.

Further, as shown in fig. 1 and fig. 2, the limiting structure includes a limiting rib 22, the limiting rib 22 is configured into a circumferentially closed or circumferentially unsealed ring shape, and one end of the filter element 20 is inserted into an area enclosed by the limiting rib 22 and is clamped and limited by the limiting rib 22. The filter has the advantages of simple structure and convenience in disassembly and assembly between the filter piece 20 and the valve cover 30, the limiting structure is convenient to clean, the disassembly and assembly are realized, foreign matters accumulated or stuck on the valve cover 30 are avoided, and the internal cleanness of the product is improved.

Example 5:

as shown in fig. 1, in addition to the features of any of the above embodiments, further defined are: the filter element 20 comprises a filter net enclosing a cavity, and two opposite ends of the cavity are respectively provided with an opening 21 (see the opening 21a and the opening 21b in fig. 1 in particular). Like this, pull down the filter screen the back, can follow the opening 21 (like opening 21a) of cavity one end and wash by water in to wash out the spot in the filter screen from the opening 21 (like opening 21b) of the other end, it is more convenient to filter the washing of piece 20, and the figurative filter screen of cavity also can realize enlarging filter area, thereby promote filtration efficiency, and reduce the frequency of changing and washing of filtering piece 20, promote the convenient to use nature of product.

Further, as shown in fig. 1, the chamber has a cylindrical shape, and openings 21 (see, specifically, openings 21a and 21b in fig. 1) are formed at both ends of the chamber in the axial direction. Like this, when washing the cavity, can more easily wash out the dirt on the cavity inner wall, avoid the dirt to remain, further promote the washing convenience and the cleaning performance to filtering piece 20.

Example 6:

as shown in fig. 1, in addition to the features of any of the above embodiments, further defined are: the valve cavity comprises a first passage 14 and a second passage 15, the first passage 14 is provided with an inlet 11, and the second passage 15 is provided with an outlet 12; the mounting port 13 is formed at one end of the first passage 14, the cavity is located in the first passage 14, an opening 21a of the cavity corresponds to the valve cover 30 and is blocked by the valve cover 30, an opening 21b is communicated with the inlet 11, an annular gap 141 is defined by the outer side surface of the cavity and the inner wall surface of the first passage 14 in a surrounding mode, and the second passage 15 is communicated with the annular gap 141. Therefore, foreign matters can be blocked in the cavity, filtered liquid is discharged into the second channel 15 through the annular gap 141, the structure can more fully utilize the filtering area of the filtering net, the filtering efficiency is improved, and the filtering effect is effectively ensured.

Further, a necked-in portion 142 is configured in the first passage 14, for example, as shown in fig. 1, the necked-in portion 142 may be defined by an inwardly protruding step formed on an inner wall surface of the first passage 14, such that a portion of the necked-in portion 142 of the first passage 14 is narrowed relative to a region of the first passage 14 between the mounting opening 13 and the necked-in portion 142. Like this, in binding off portion 142 department, the in-process that the fluid that the import 11 got into flows to installing port 13 direction via binding off portion 142, behind binding off portion 142, flow area enlarges suddenly for fluid expands to disperse all around, forms radial outside flow trend, more does benefit to like this and makes the foreign matter be held up in the cavity by the filter screen, and the liquid of straining gets into in the annular space 141 to further discharge into second passageway 15 via annular space 141, thereby has promoted filtration efficiency, has avoided the choked flow.

Further, as shown in fig. 1, an end of the first passage 14 away from the mounting opening 13 is formed with an inlet opening 11, the closing-in portion 142 is located between the mounting opening 13 and the inlet opening 11, an end of the filter member 20 away from the valve cover 30 abuts against the closing-in portion 142, and the annular gap 141 is located in an interval between the mounting opening 13 and the closing-in portion 142 of the first passage 14. Utilize closing up portion 142 to realize filtering piece 20 location and support in valve body 10, like this, filter piece 20 forms the structure that both ends supported via valve gap 30 and closing up portion 142, filter piece 20 more stable in valve body 10, be difficult to the pine take off, make the filter effect of filtering piece 20 have more the reliability, and in this scheme, closing up portion 142 supports with filtering piece 20 and leans on, can play sealed effect that blocks, avoid filtering piece 20 and the gap entering annular gap 141 between the inner wall of first passageway 14 via the foreign matter, further promote the filtration interception effect of filtering piece 20 to the foreign matter, and can avoid the foreign matter to get into the problem that causes filtering piece 20 jamming in annular gap 141.

Preferably, the first channel 14 includes a first section and a second section, the first section and the second section can be assembled and connected or connected as an integral type, the second section is inclined relative to the first section, a turning transition is formed between the first section and the second section, an inlet 11 is arranged at one end of the first section far away from the second section, a mounting opening 13 is arranged at one end of the second section far away from the first section, and a closing opening 142 is formed on the second section.

Example 7:

as shown in fig. 1, in addition to the features of any of the above embodiments, further defined are: the valve assembly further comprises: a valve core 50 and a coil assembly 60.

The valve core 50 is movably connected with the valve body 10; the coil assembly 60 is adapted to drive the valve element 50 to move between a conducting position, in which the valve element 50 conducts between the inlet 11 and the outlet 12, and a blocking position, in which the valve element blocks between the inlet 11 and the outlet 12. The coil assembly 60 and the valve core 50 are used for realizing the opening and closing of the valve assembly, and the control is simpler and more accurate.

Further, as shown in fig. 1, the valve assembly further includes a fastening bracket 70, the fastening bracket 70 is disposed between the valve body 10 and the coil assembly 60, and the fastening bracket 70 is connected to the valve body 10 and is used for assembling and fixing the valve assembly with other components.

The specific embodiment is as follows:

as shown in fig. 1 and 2, the valve assembly is an electromagnetic valve, specifically, for example, a water inlet electromagnetic valve, and of course, according to the requirement, the valve assembly may also be a waste water electromagnetic valve, and specifically, the electromagnetic valve includes a valve cover 30, a sealing member 40, a filtering member 20, a valve body 10, a valve core 50, a fastening bracket 70, a coil assembly 60, and the like, the valve body 10 and the valve cover 30 are in threaded connection and can be detached from each other, the filtering member 20 is a filtering net, the filtering net is located in the valve body 10 and is connected with the valve cover 30, so that the filtering net is detached from the valve body 10 along with detachment between the valve cover 30 and the valve body 10, and thus, the filtering net can be detached for cleaning, the problem of blockage of foreign matters in a water path is. The sealing element 40 is an O-shaped sealing ring, and the O-shaped sealing ring is used for sealing connection between the valve cover 30 and the valve body 10, so that the water leakage problem is prevented.

The working principle of the detachable and washable water inlet electromagnetic valve in the design is as follows: when the life appliance where the electromagnetic valve is located is started, the coil assembly 60 is electrified to generate a magnetic field, the valve core 50 is sucked downwards and opened, as shown by a dotted arrow in fig. 1, water enters the valve body 10 from the inlet 11 and flows out from the outlet 12 through the filter screen and the valve core 50.

Wherein, in filter screen department, the foreign matter of aquatic is intercepted by the filter screen, the foreign matter when the interception is more and more, the discharge that the filter screen sees through can be more and less little, when the unsatisfied complete machine requirement of discharge, the valve lid 30 is opened in the manual turning of accessible, it washs to take out the filter screen, after the washing is accomplished, in putting back the filter screen into valve body 10, then manually close valve lid 30 in valve body 10 soon, close the back in place soon, because the effect of screw in power, valve lid 30 compression sealing member 40, reach sealed effect, after guaranteeing dismouting valve lid 30 many times, valve lid 30 and valve body 10 still can keep good sealed effect.

An embodiment of the second aspect of the present invention provides a domestic appliance comprising a valve assembly as described in any of the above embodiments.

The utility model discloses the life utensil that above-mentioned embodiment provided is through being provided with the valve assembly in above-mentioned arbitrary embodiment to have above whole beneficial effect, no longer describe here.

In detail, the domestic appliance is provided with a pipeline system for flowing fluid such as water, and the valve assembly is arranged in the pipeline system and used for controlling the partial cut-off and conduction of the pipeline system.

For example, the household appliance may be a water purifier, a water heater, a washing machine, etc. Further, the valve assembly may be a water inlet solenoid valve of a plumbing system in a living appliance.

To sum up, the valve assembly and the living appliance provided by the utility model, the filtering piece is positioned in the valve cavity of the valve body, so as to intercept foreign matters flowing through the valve cavity, and solve the problem of sealing failure caused by foreign matter circulation and clamping stagnation, in the design, the filtering piece and the valve body can be assembled and disassembled, and the valve cover and the valve body can be detachably connected so as to assemble and disassemble the corresponding control installation port and close the installation port through the filtering piece and the valve body, thus, a user can open the valve cover according to the requirement, and the filtering piece is disassembled through the installation port to be replaced or cleaned, thereby avoiding the problem of blockage of the filtering piece, meanwhile, the valve assembly does not need to be frequently replaced by the user, realizing the recycling of the valve assembly, ensuring that the product is more environment-friendly and economical, and the sealing performance between the valve cover and the valve body is further considered, so that the valve cover and the valve, effectively prevent valve gap and installing port department weeping and pollute the problem of the environment on every side, promote the use of product and experience and reliability.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. A valve assembly, comprising:

the valve comprises a valve body, a valve cavity and a valve core, wherein the valve cavity is formed in the valve body and is provided with an inlet, an outlet and a mounting opening;

the filtering piece is positioned in the valve cavity and can be assembled and disassembled with the valve body;

the valve cover is detachably connected with the valve body and shields the mounting opening;

and the sealing element is matched with the valve cover and the valve body and seals a gap between the valve cover and the mounting opening.

2. A valve assembly according to claim 1,

one of the valve cover and the valve body is provided with a positioning groove, a part of the sealing element is positioned in the positioning groove, and the other of the valve cover and the valve body is abutted against the sealing element and presses the sealing element into the positioning groove.

3. A valve assembly according to claim 1 or 2,

the valve gap includes first portion of inserting and is located first helicitic texture on the first portion of inserting that inlays, the valve body includes the second portion of inserting and is located second helicitic texture on the second portion of inserting inlays, first portion of inserting with the cooperation is inserted in the second portion of inserting that inlays, just first helicitic texture with second helicitic texture threaded connection is in order to lock the valve gap with the valve body.

4. A valve assembly according to claim 3,

the first insertion portion and the second insertion portion clamp the sealing member.

5. A valve assembly according to claim 4,

one of the first inserting portion and the second inserting portion comprises a groove, the other one comprises an extending portion, the extending portion extends into the groove, the sealing element is arranged on the surface of the extending portion, corresponding to the bottom wall of the groove, and the sealing element is pressed by the bottom wall of the groove.

6. A valve assembly according to claim 1 or 2,

the seal comprises an O-ring seal.

7. A valve assembly according to claim 1 or 2,

the valve cover is provided with a limiting structure, and the limiting structure is connected with the filtering piece and locks the filtering piece and the valve cover.

8. A valve assembly according to claim 7,

the limiting structure comprises a limiting rib, the limiting rib is in a ring shape with the circumferential direction being closed or not closed, one end of the filtering piece is inserted into the region surrounded by the limiting rib, and the limiting rib is hooped and limited.

9. A valve assembly according to claim 1 or 2,

the filtering piece comprises a filtering net, the filtering net surrounds into a cavity, and two opposite ends of the cavity are respectively provided with an opening.

10. A valve assembly according to claim 9,

the cavity is in a cylinder shape, and the openings are formed at two axial ends of the cavity.

11. A valve assembly according to claim 9,

the valve cavity comprises a first passage and a second passage, the first passage is provided with the inlet, and the second passage is provided with the outlet;

the mounting opening is formed at one end of the first channel, the cavity is located in the first channel, one opening of the cavity corresponds to the valve cover and is blocked by the valve cover, the other opening of the cavity is communicated with the inlet, an annular gap is defined by the outer side face of the cavity and the inner wall face of the first channel in a surrounding mode, and the second channel is communicated with the annular gap.

12. A valve assembly according to claim 11,

the structure has the binding off portion in the first passageway, the first passageway is kept away from the one end of installing the mouth is formed with the import, the binding off position is located the installing port with between the import, filter the piece keep away from the one end of valve gap with the binding off portion supports and leans on, the annular space is located the first passageway the installing port extremely in the interval between the binding off portion.

13. A valve assembly according to claim 1 or 2, further comprising:

the valve core is movably connected with the valve body;

a coil assembly adapted to drive the valve element between an on position, in which the valve element brings about conduction between the inlet and the outlet, and an off position, in which the valve element brings about cutoff between the inlet and the outlet.

14. A domestic appliance comprising a valve assembly according to any one of claims 1 to 13.

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