CN212407602U

CN212407602U - Valve element and water mixing valve using same

Info

Publication number: CN212407602U
Application number: CN202020902721.2U
Authority: CN
Inventors: 冼茂忠
Original assignee: Foshan Aiting Electric Appliance Co ltd
Current assignee: Foshan Aiting Electric Appliance Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-26
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a case and applied this case mix water valve, which comprises a housin, set up the cavity along vertical setting in the casing, be provided with inlet opening and apopore on the casing, the inlet opening with the apopore communicates respectively the cavity, be provided with adjustment mechanism on the casing, be provided with sealed piece in the cavity, adjustment mechanism links and connects sealed piece is in order to adjust sealed piece blocks or switches on the degree of rivers between inlet opening and the apopore. The utility model provides a case and applied muddy water valve of this case of the temperature of mixed water can be adjusted.

Description

Valve element and water mixing valve using same

Technical Field

The utility model relates to a bathroom field, especially a case and applied water mixing valve of this case.

Background

In a traditional shower room, a water mixing valve is generally used for mixing hot water and cold water, so that the mixed water can reach the water temperature required by a user.

The water mixing valve in the market is applied to users at present, and the temperature of a constant temperature point of shower equipment is different due to different use environments of each user, for example, when a low-capacity water heater is used by a user, the water pressure output of hot water is lower than that of cold water, so that the temperature of the constant temperature point is lower; if the user uses central hot water supply, the water pressure output of the hot water is higher than that of cold water, so that the temperature of a constant temperature point is higher. Too high or too low temperature all can make the health produce certain uncomfortable to the user, and the muddy water valve regulation and control structure of prior art is all too complicated, or simple structure nevertheless can't accurate realization temperature control, or the structure is complicated leads to the cost of case and muddy water valve to be high.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is, be to the difficult regulation and control temperature of prior art's muddy water valve structure or the structure is too complicated and with high costs problem, provide a simple structure with low costs case and muddy water valve technical scheme.

The utility model provides a solution of its technical problem is:

the utility model provides a valve element, which comprises a housin, set up the cavity along vertical setting in the casing, be provided with inlet opening and apopore on the casing, the inlet opening with the apopore communicates respectively the cavity, be provided with adjustment mechanism on the casing, be provided with sealed piece in the cavity, adjustment mechanism links the connection sealed piece, in order to adjust sealed piece blocks or switches on the degree of rivers between inlet opening and the apopore.

The beneficial effects of the utility model are that, during the use, the user can manually adjust adjustment mechanism, adjusts sealed piece and blocks or switches on the rivers degree between inlet opening and the apopore to realize adjusting the velocity of flow through the fluid of inlet opening, thereby through the velocity of flow of control hot water or cold water in the in-service use, thereby realize controlling the hot water and cold water mixing ratio, and then realize the regulation and control of temperature.

As a further improvement of the above technical scheme, a mounting port is formed in the housing, the mounting port is communicated with the inside of the cavity, the adjusting mechanism includes a sealing plug, a connecting rod and a limiting ring arranged on the inner wall of the cavity, the limiting ring is arranged between the water inlet hole and the water outlet hole, the sealing plug is connected with the connecting rod, the sealing plug is detachably connected with the mounting port, the connecting rod is fixedly connected with the sealing block, the outer diameter of the sealing block is larger than the aperture of the limiting ring, and the connecting rod penetrates through the limiting ring to be connected with the sealing block.

Above-mentioned further improved technical scheme's beneficial effect is, the steam generator is simple in structure, it is convenient to set up, this installing port can be dismantled and connected to the sealing plug, thereby when in-service use, but this sealing plug of user manual adjustment, make the sealing plug and installing port take place relative motion, and then realize adjusting the connecting rod with the relative position of casing, thereby adjust the position of sealed piece, when the connecting rod drives sealed piece motion, can utilize the spacing ring to restrict sealed piece's motion trail effectively, furthermore, sealed piece is greater than the internal diameter of spacing ring, in-service use, the user accessible control seals the degree that the piece opened or the passageway that airtight spacing ring internal diameter encloses, thereby reach the speed of rivers to the apopore of control inlet opening.

As a further improvement of the above technical solution, the sealing plug is screwed to the mounting opening.

The technical scheme has the advantages that the structure is simple, the arrangement is convenient, and when the sealing plug is used, a user can conveniently utilize the thread fit between the sealing plug and the mounting port to adjust the relative position between the sealing plug and the mounting port.

As a further improvement of the above technical solution, a spring is disposed in the cavity, one end of the spring is connected to the limit ring or the inner wall of the cavity, the other end of the spring is connected to the connecting rod, and the sealing plug can abut against the connecting rod.

Above-mentioned further improved technical scheme's beneficial effect is, this simple structure, it is convenient to set up, in the in-service use, when the sealing plug expert closely cooperates through the screw thread with the installing port, at this moment, the spring is in the state of compressed, and when the rotatory sealing plug of user, make the sealing plug during the direction motion of keeping away from the installing port, the spring resets gradually under self elastic action, and simultaneously, under the effect of the spring force that this spring resets, the connecting rod moves toward the direction of sealing plug under the effect of spring force, thereby realize the relative position of adjustment sealing piece and inlet opening, the water yield that the inlet opening flowed into in the messenger's unit interval reduces.

As a further improvement of the above technical scheme, the sealing plug is fixedly connected with a filter screen, and the filter screen is arranged between the water outlet hole and the limiting ring.

Above-mentioned further improved technical scheme's beneficial effect is, this simple structure, convenient to set up, during the use, through the setting of this filter screen, can filter the water that flows through the water of spacing ring again from the apopore outflow effectively.

As a further improvement of the technical scheme, the filter screen is arranged in a tubular shape, the inner diameter of the filter screen is not smaller than that of the limiting ring, and the filter screen is abutted to the limiting ring.

Above-mentioned further modified technical scheme's beneficial effect is, this simple structure, it is convenient to set up, when the filter screen is the tubulose setting, in the use, the filter screen surrounds the passageway that the internal diameter of spacing ring formed to, water through the spacing ring inboard must just can follow the apopore through the filter screen and flow, and the filtration rate is better, in addition, when the sealing plug is dismantled, can conveniently take out the filter screen, and it is more convenient that the filter screen is changed or clean, the filter screen with when the spacing ring offsets, the filter screen offsets toward the spacing ring direction end and spacing ring, avoids having water and flows out from the delivery port not through the filter screen.

As a further improvement of the technical scheme, the filter screen is arranged in a plate shape, and the filter screen covers a channel defined by the inner diameter of the limiting ring.

Above-mentioned further improved technical scheme's beneficial effect is, this simple structure, convenient to set up, when the filter screen is platelike setting to the water of the passageway that the internal diameter of spacing ring encloses can all be filtered by the filter screen.

As a further improvement of the above technical solution, a sealing groove is formed in an outer side surface of the housing, the sealing groove surrounds the outer side surface of the housing, and the water inlet hole and the water outlet hole are separated by the sealing groove.

The technical scheme has the advantages of simple structure, convenient arrangement and better sealing effect.

As a further improvement of the technical scheme, the outer side surface of the sealing block is attached to the inner wall of the cavity, and the sealing block is connected with the inner wall of the cavity in a sliding mode.

Above-mentioned further improved technical scheme's beneficial effect is, simple structure, convenient to set up, through the setting of this sealed piece, can realize controlling the velocity of flow of the water that gets into from the inlet opening, when needs are by rivers, sealed piece moves between inlet opening and the spacing ring, can realize blocking the rivers between inlet opening and the apopore.

As a further improvement of the technical scheme, one side face of the sealing block is attached to the inner wall of the cavity, and the outer contour of the sealing block is not smaller than the aperture of the water inlet hole.

Above-mentioned further improved technical scheme's beneficial effect is, simple structure, convenient to set up, through the setting of sealed piece, can realize controlling the inflow velocity of flow of inlet opening, when needs are by rivers, sealed piece covers the inlet opening.

As a further improvement of the technical scheme, the outer side surface of the limiting ring is provided with an external thread, the inner wall of the cavity is provided with an internal thread, and the external thread is connected with the internal thread in a matching mode.

Above-mentioned further improved technical scheme's beneficial effect is, this simple structure, set up conveniently, through the setting of this structure, can realize installing or dismantling the spacing ring conveniently.

The utility model also provides a mix water valve, including mixing the water valve main part, be provided with the end of intaking more than two in mixing the water valve main part, go out the water end it sets up to intake between end and the play water end that corresponds a case, its inlet opening passes through the pipe connection and corresponds the end of intaking, its apopore passes through the pipe connection and corresponds go out the water end.

The beneficial effects of above-mentioned technical scheme are that, during the use, the different or the same liquid can be connected respectively to the end of intaking more than two on the muddy water valve, thereby the user adjusts the velocity of flow that control liquid flows through the case through the adjustment mechanism to on the case to the realization is mixed liquid and is followed the play water end again and flow according to different proportions.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic front view of a valve cartridge of the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1 of the present invention;

fig. 3 is an isometric view of fig. 2 of the present invention;

fig. 4 is a partial cross-sectional view of fig. 1 of the present invention;

fig. 5 is an isometric view of a mixing valve of the present invention;

fig. 6 is an exploded view of fig. 5 of the present invention.

In the drawings: 1-shell, 2-water inlet, 3-water outlet, 4-sealing block, 5-cavity, 6-mounting port, 7-sealing plug, 8-connecting rod, 9-spring, 10-limiting ring, 11-filter screen, 12-external thread, 13-sealing groove, 14-internal thread, 15-water mixing valve body, 16-water inlet, 17-water outlet and 18-flange.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

In the preferred embodiment of the valve core and water mixing valve of the present invention, as shown in fig. 1 and 2, it comprises a casing 1, the casing 1 is a cylinder, an opening is opened on one end surface, and a cavity 5 is vertically formed inside the cylinder. The outer side surface of the shell 1 is provided with a water inlet hole 2 and a water outlet hole 3, the water inlet hole 2 and the water outlet hole 3 are respectively communicated with a cavity 5, and an adjusting mechanism is arranged in the cavity 5 and used for adjusting the width of an inlet and outlet channel of water flow, namely the speed of the water flow. The adjustment mode is through adjustment mechanism adjustment setting sealed piece 4 in the cavity 5 is linked through this adjustment mechanism linkage sealed piece 4, uses sealed piece 4 regulates and control and is in rivers degree between inlet opening 2 and the apopore 3. The adjustment mechanism includes a link 8 for adjusting the seal block 4, as shown in fig. 3 and 4, for adjusting the up and down movement of the seal block 4.

The lateral surface of casing 1 still is provided with a seal groove 13, seal groove 13 encircles the outside of casing 1 and personally submits a closed loop, and the user can be at the erection seal circle in seal groove 13, thereby will when the case was installed in mixing the water valve, can utilize seal groove 13 and the sealing washer that corresponds realize separating into water upper reaches and play water low reaches from the outside to guarantee that rivers all flow into through inlet opening 2, through the rivers passageway in cavity 5, flow out from apopore 3.

A limiting ring 10 is arranged in the cavity 5, as shown in fig. 3, an external thread 12 is arranged on the outer side surface of the limiting ring 10, an internal thread 14 is arranged on the inner wall of the cavity 5, the external thread 12 is matched with the internal thread 14, and the axis of the limiting ring 10 is arranged along the depth direction of the groove. In other embodiments, the stop collar 10 may be integrally formed directly within the cavity 5. The inner side of the stop collar 10 is formed with an opening, preferably a trapezoidal opening, for engaging the top end of the sealing block 4, which top end of the sealing block 4 may be arranged in a preferred embodiment as an umbrella shape for engaging the opening.

The position of the limiting ring 10 is between the water inlet hole 2 and the water outlet hole 3, so that water entering from the water inlet hole 2 can reach the water outlet hole 3 only through a water flow channel surrounded by the inner diameter of the limiting block.

A mounting opening 6 is formed below the cavity 5, i.e. below the outlet opening 3, while the inner wall of the cavity 5 is provided with corresponding threads and with a sealing plug 7, the lower end of which extends outside the cavity 5 to form a handle for facilitating the screwing operation. The mounting port 6 is connected with the sealing plug 7 in a threaded fit manner, and the sealing plug 7 completely seals the mounting port 6 while the sealing plug 7 is in threaded fit with the mounting port 6.

Still fixed a tubulose filter screen 11 that has set up in the cavity 5 of sealing plug 7 upside, tubulose filter screen 11 is used for filtering rivers in the cavity 5, owing to will filter screen 11 sets up the downstream direction of seal block 4 and spacing ring 10 has guaranteed need not close the upstream valve switch of peripheral hardware when changing and checking filter screen 11, and only in this case equipment, will sealing plug 7 twists the back off, can carry out the maintenance and the change of filter screen 11, and is very convenient.

When the sealing plug 7 is matched with the mounting port 6 through threads, the sealing plug 7 and the mounting port 6 can move along the depth direction of the cavity 5 in the relative rotation process, at the moment, the filter screen 11 and the sealing plug 7 can be fixedly connected, for example, but not limited to, the filter screen 11 and the sealing plug 7 are fixedly connected in a fixing mode, for example, a bolt is connected, the filter screen 11 and the sealing plug 7 are kept relatively static, but after the filter screen 11 moves along with the sealing plug 7, the filter screen 11 abuts against the limiting ring 10 until the filter screen 11 abuts against the limiting ring 10, and the side edge of the filter screen 11, which is close to the limiting ring 10, abuts against the end face of the limiting ring 10 to be attached, so that the filtration rate.

The filter screen 11 and the sealing plug 7 can be fixed in a snap fit manner, and in addition, the filter screen and the sealing plug can be fixed by adopting screw connection, bonding or welding, or various combinations of the connection manners.

Besides, the filter screen 11 can be a plate-shaped structure instead of a tubular structure, and the filter screen 11 covers a channel formed by the inner diameter of the limiting ring 10 and is arranged around the connecting rod 8.

The utility model discloses because filter screen 11 sets up the low reaches at the sealed piece 4 of adjusting rivers in the case, made things convenient for filter screen 11 to dismantle.

The sealing block 4 is arranged between the limiting ring 10 and the bottom of the cavity 5, and the outer diameter of the sealing block 4 is larger than the inner diameter of the limiting ring 10, so that the limiting ring 10 limits the movement space of the sealing block 4, the sealing block can only move between the bottom of the cavity 5 and the limiting ring 10, and the water inlet hole 2 is arranged in the space. The water outlet 3 is arranged in the downstream direction of the sealing block 4 of the limiting ring 10, namely between the top end of the sealing plug 7 and the limiting ring 10, so that a water flow channel of the valve core is formed from the water inlet 2 to the water outlet 3 through a matching channel of the sealing block 4 and the inner diameter of the limiting ring 10. By screwing the sealing plug 7, the matching degree of the inner diameters of the sealing block 4 and the limiting ring 10 can be adjusted through the connecting rod 8, a water flow channel is closed from the maximum water flow to the minimum water flow, the adjustment has the linear characteristic, the structure is simple, the damage is not easy to damage, and the valve core is more durable.

As an embodiment, since the outer diameter of the sealing block 4 is larger than the inner diameter of the limiting ring 10, the sealing block 4 can seal the degree of the channel surrounded by the inner diameter of the limiting ring 10 to block or conduct the water flow between the water inlet hole 2 and the water outlet hole 3, and the size and speed of the water flow can be adjusted.

The sealing block 4 is fixedly connected with the connecting rod 8, the connecting rod 8 passes through a channel formed by the inner diameter of the limiting ring 10, a flange 18 is arranged on the connecting rod 8, as shown in fig. 3, a spring 9 can be sleeved on the connecting rod 8 through the flange 18, and one end of the spring 9 is abutted against the flange 18; the other end of the spring 9 abuts against the bottom surface of the cavity or against the limiting ring 10 or the inner wall of the fixed connection cavity, preferably, the other end of the spring 9 abuts against the bottom surface of the cavity. The sealing plug 7 bears against the rod 8, with the spring 9 in a compressed state. When the velocity of flow of intaking of inlet opening 2 is reduced to needs, the manual rotatory sealing plug 7 of user's accessible for sealing plug 7 is toward the direction motion of keeping away from spacing ring 10, thereby spring 9 extends under the effect of its self elasticity, drives the direction motion of connecting rod 8 toward sealing plug 7, and then, sealing block 4 is under the pulling of connecting rod 8, toward the direction motion that is close to spacing ring 10, realizes reducing the water intake speed of inlet opening 2 gradually.

Among the prior art at present, in order to guarantee that the quality of water of the play water behind the muddy water valve of muddy water valve flow through is good, can install a filter screen 11 in the muddy water valve generally, this filter screen 11 is used for filtering the water that flows through muddy water valve. However, the filter net 11 needs to be replaced or cleaned after a certain period of use. Before the replacement, the user needs to close the main water gate communicating with the water path of the mixing valve and then replace the filter screen 11, which is relatively troublesome for the user.

And the utility model discloses in the preferred embodiment, when the rotatory sealing plug 7 of user until sealing plug 7 break away from with the screw-thread fit of installing port 6, dismantle sealing plug 7 back promptly, under the effect of the elasticity of spring 9, sealed piece 4 moves the end of its stroke, sealed piece 4 will seal the passageway that the internal diameter of living spacing ring 10 formed this moment to close the water inlet channel.

As another embodiment, if the sealing block 4 controls the water flow rate by controlling the opening degree of the water inlet 2, the outer side surface of the sealing block 4 should be tightly attached to the inner wall of the groove, that is, the outer diameter of the sealing block 4 needs to be excessive or interference fit with the inner diameter of the cavity 5, so that the outer side surface of the sealing block 4 is slidably connected to the inner wall of the cavity 5, the water inlet 2 can be directly blocked when the sealing block 4 moves below the position of the water inlet 2, and before that, the flow rate of the inlet water flow can be controlled when the water inlet 2 is opposite to the position.

When a user rotates the sealing plug 7 until the sealing plug 7 is disengaged from the thread fit with the mounting opening 6, namely the sealing plug 7 is disassembled, the sealing block 4 moves to the tail end of the stroke under the action of the elastic force of the spring 9, and at the moment, if the thickness of the sealing block 4 is larger than that of the water inlet hole 2, the position of the sealing block 4 can be a position which completely covers and seals the water inlet hole 2 or a position of the sealing block 4 is between the water inlet hole 2 and the limiting ring 10; if the thickness of the sealing block 4 is not larger than the water inlet hole 2, the position of the sealing block 4 needs to be below the water inlet hole 2.

As another embodiment, the sealing block 4 may adopt another structure to achieve the above-mentioned effect of controlling the water inlet speed of the water inlet 2. The sealing block 4 can adopt a structure with only one side surface plugging structure, namely, the structure of the sealing block 4 is only arranged aiming at the aperture size of the water inlet hole 2, and the structure is attached to the inner wall of the cavity 5 and is only used for plugging the water inlet hole 2. When a user rotates the sealing plug 7 until the sealing plug 7 is separated from the thread fit with the mounting opening 6, namely the sealing plug 7 is dismounted, the sealing block 4 moves to the tail end of the stroke under the action of the elastic force of the spring 9, the water inlet hole 2 can be just blocked by the size of the volume of the sealing block, and at the moment, the side surface, attached to the inner wall of the cavity 5, of the sealing block 4 completely covers and seals the water inlet hole 2.

When the user needs to replace the filter screen 11, the user does not need to additionally close the water gate of the external device, and the operation is more convenient. After the user changes or washs filter screen 11, the user passes through screw-thread fit to sealing plug 7 during installing port 6, sealing plug 7 supports connecting rod 8, continue rotatory sealing plug 7 this moment and make sealing plug 7 continue toward the direction motion of installing port 6, make sealing plug 7 drive connecting rod 8 overcome spring 9's elasticity and toward the motion of cavity 5 bottom, thereby make sealed piece 4 switch on the rivers passageway between inlet opening 2 and apopore 3, as a preferred embodiment, when sealed piece 4 moves to the stroke end along the direction of keeping away from sealing plug 7, the velocity of water through spacing ring 10 internal diameter can set up to reach the fastest.

The utility model also provides an use muddy water valve product embodiment of above-mentioned case, as shown in fig. 5 and fig. 6, can set up the end 16 of intaking more than two on mixing water valve main part 15, can set up two under the general condition. The two water inlets 16 may be connected to two different water pipes, respectively, for mixing different liquids, such as diluting some traditional Chinese medicines with water, mixing more than two kinds of water with different temperatures, a cola beverage mixing valve, etc. The water mixing valve main body 15 is further provided with a water outlet end 17, the water outlet end 17 is arranged corresponding to the water inlet end 16, and a communication pipeline is arranged between the water inlet end 16 and the water outlet end 17 and realizes flow rate control of water flow by adopting the valve core. The shell 1 of the valve core is arranged between the water inlet end 16 and the water outlet end 17 and is used for blocking and controlling the water inlet pipe, so that the liquid in the water inlet pipe can reach the water outlet end 17 only after entering the water inlet hole 2 and then flowing out of the water outlet hole 3.

The utility model provides an above-mentioned case and muddy water valve technical scheme has realized the velocity of flow control in the case owing to adopted the cooperation mode of sealed piece 4 and spacing ring 10. More preferably, set up the filter screen to the shutoff position low reaches of sealed piece 4 and spacing ring 10, promptly 3 the place ahead of apopore have made things convenient for the maintenance and the change to the filter screen, and need not to close the gate of whole upstream water pipe, very convenient operation. And the whole product has simple structure and low abrasion degree, and the control of the water flow is more linear.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A valve cartridge comprising a housing (1), characterized in that: set up cavity (5) along vertical setting in casing (1), be provided with inlet opening (2) and apopore (3) on casing (1), inlet opening (2) with apopore (3) communicate respectively cavity (5), be provided with adjustment mechanism on casing (1), be provided with sealed piece (4) in cavity (5), adjustment mechanism linkage connection sealed piece (4) are in order to adjust sealed piece (4) block or switch on the degree of rivers between inlet opening (2) and apopore (3).

2. A valve cartridge according to claim 1, wherein: the shell (1) is provided with a mounting port (6), and the mounting port (6) is communicated with the cavity (5); adjustment mechanism includes sealing plug (7), connecting rod (8) and sets up spacing ring (10) at cavity (5) inner wall, spacing ring (10) set up in inlet opening (2) with between apopore (3), sealing plug (7) are connected connecting rod (8), sealing plug (7) can be dismantled and connect installing port (6), connecting rod (8) fixed connection sealed piece (4), the external diameter of sealed piece (4) is greater than the aperture of spacing ring (10), connecting rod (8) pass spacing ring (10) are connected sealed piece (4).

3. A valve cartridge according to claim 2, wherein: the sealing plug (7) is connected with the mounting port (6) through threads.

4. A valve cartridge according to claim 2, wherein: a spring (9) is arranged in the cavity (5), one end of the spring (9) is connected with the limiting ring (10) or the inner wall of the cavity, the other end of the spring (9) is connected with the connecting rod (8), and the sealing plug (7) can be abutted against the connecting rod (8).

5. A valve cartridge according to claim 2, wherein: the sealing plug (7) is fixedly connected with a filter screen (11), and the filter screen (11) is arranged between the water outlet hole (3) and the limiting ring (10).

6. A valve cartridge according to claim 5, wherein: the filter screen (11) is in a tubular shape, the inner diameter of the filter screen (11) is not smaller than that of the limiting ring (10), and the filter screen (11) is abutted to the limiting ring (10).

7. A valve cartridge according to claim 1, wherein: the lateral surface laminating of sealed piece (4) cavity (5) inner wall, sealed piece (4) sliding connection cavity (5) inner wall.

8. A valve cartridge according to claim 1, wherein: a sealing groove (13) is formed in the outer side face of the shell (1), the sealing groove (13) surrounds the outer side face of the shell (1), and the sealing groove (13) is used for separating a water inlet upstream and a water outlet downstream from the outer side.

9. A valve cartridge according to claim 2, wherein: the outer side surface of the limiting ring (10) is provided with an external thread (12), the inner wall of the cavity (5) is provided with an internal thread (14), and the external thread (12) is connected with the internal thread (14) in a matching mode.

10. The utility model provides a mix water valve, includes mixes water valve main part (15), be provided with two or more intake end (16), play water end (17) on mixing water valve main part (15), its characterized in that: a valve element according to any one of claims 1-9, provided between the inlet end (16) and the corresponding outlet end (17), the inlet opening (2) of which is connected to the corresponding inlet end (16) by means of a pipe and the outlet opening (3) of which is connected to the corresponding outlet end (17) by means of a pipe.