CN219529901U - A valve plate assembly and water valve - Google Patents

Abstract

The utility model discloses a valve block assembly and a water valve, wherein the valve block assembly comprises a fixed valve block and a movable valve block, the movable valve block is attached to the fixed valve block and is suitable for rotating around the axis of the fixed valve block relative to the fixed valve block, the fixed valve block is provided with a first through hole, a second through hole and a first groove with an opening facing the movable valve block, and the bottom surface of the first groove is provided with a water inlet hole; the movable valve plate is provided with a third through hole and a second groove with an opening facing the fixed valve plate, and the first groove is communicated with the second groove; the movable valve plate is suitable for rotating in a first rotating position, a second rotating position and a third rotating position relative to the fixed valve plate, wherein in the first rotating position, the first groove is communicated with the third through hole, in the second rotating position, the second groove is communicated with the first through hole, and in the third rotating position, the second groove is communicated with the second through hole. The water valve adopting the technical scheme has the advantages that the water inlet is positioned at the bottom of the water valve while the bottom of the water valve is provided with two water outlets and the top of the water valve is provided with one water outlet, so that the water valve is convenient to butt against an external waterway, and the waterway structure complexity is reduced.

Description

A valve plate assembly and water valve

technical field

The utility model relates to the field of bathroom products, in particular to a valve plate assembly and a water valve.

Background technique

The water valve in the bathroom usually needs to be provided with three water outlets to realize the functions of shower, bathtub and shower. In order to reduce the complexity of the waterway, a water valve has appeared in the prior art, which is provided with two water outlets at the bottom and one water outlet at the top, so as to facilitate the realization of the functions of shower, bathtub and shower. However, because the water inlet hole of the valve plate assembly used in this water valve is located on the side of the valve plate assembly, in the prior art, the water inlet of the water valve is arranged on the side wall in order not to increase the volume of the water valve, but it is located on the side wall of the valve plate assembly. The water inlet on the side wall will increase the complexity of the waterway structure and increase the cost.

Utility model content

The purpose of this utility model is to overcome the above-mentioned defects or problems in the background technology, and provide a valve assembly and a water valve, wherein the valve assembly maintains two water outlet holes at the bottom and one water outlet hole at the top, and at the same time makes the water inlet hole It is located at the bottom, and the water valve using the valve plate assembly can make the water inlet at the bottom without increasing the original volume, which is convenient for docking with the external waterway and reduces the complexity of the waterway structure.

In order to achieve the above object, the utility model adopts the following technical solutions:

The first technical solution relates to a valve plate assembly, which includes a fixed valve plate and a movable valve plate, and the movable valve plate is attached to the fixed valve plate and is suitable for The valve plate rotates, the fixed valve plate is provided with a first through hole, a second through hole and a first groove opening towards the moving valve plate, and the bottom surface of the first groove is provided with a water inlet hole; the The movable valve plate is provided with a third through hole and a second groove opening towards the fixed valve plate, and the first groove communicates with the second groove; the movable valve plate is suitable for facing the fixed valve plate Rotate at the first rotation position, the second rotation position and the third rotation position, in the first rotation position, the first groove communicates with the third through hole, in the second rotation position, the first The second groove communicates with the first through hole, and at the third rotation position, the second groove communicates with the second through hole.

The second technical solution is based on the first technical solution, wherein the fixed valve plate is further provided with a third groove, and the opening of the third groove faces the movable valve plate.

The third technical solution relates to a water valve, which includes: the valve plate assembly according to technical solution 1 or 2; In the casing, the bottom cover is in sealing fit with the fixed valve plate of the valve plate assembly and connected in a non-rotational manner, and its bottom surface is provided with a valve corresponding to the water inlet hole, the first through hole and the second through hole. The water inlet, the first water outlet and the second water outlet; and the rotating part, which includes a valve stem and a driving part, the driving part is placed in the housing, and it is in sealing cooperation with the moving valve plate of the valve plate assembly And the non-rotational connection, the valve stem is in sealing fit with the driving member and the non-rotational connection is provided with a third water outlet communicating with the third through hole.

The fourth technical solution is based on the third technical solution, and further includes a wear-resistant pad, the wear-resistant pad is placed between the housing and the rotating part and is connected to the driving member in a non-rotational manner.

The fifth technical solution is based on the fourth technical solution, wherein a notch is provided on the wear-resistant pad, and the notch opens toward the outer shell.

The sixth technical solution is based on the fourth technical solution, wherein an oil storage tank is provided on the driving member, and the opening of the oil storage tank faces the wear-resistant pad.

The seventh technical solution is based on the third technical solution, wherein the driving member is provided with an abutment portion, and the casing is provided with a first limit surface and a second limit surface distributed in the circumferential direction, when the movable valve When the plate rotates from the first rotation position to the second rotation position, the abutting portion abuts against the first limiting surface, and when the movable valve plate rotates from the first rotation position to the In the third rotation position, the abutting portion abuts against the second limiting surface.

The eighth technical solution is based on the third technical solution, which further includes a first stopper and a first elastic member, the first stopper is installed on the driving member, and one end of the first elastic member is against the The other end of the first stopper is against the driving member; the housing is also provided with a first slot, a second slot and a third slot; the first stopper is adapted to at least partially enter the the first groove, the second groove or the third groove and withdraw from the first groove, the second groove or the third groove when the driving member rotates; In the first rotation position, the second rotation position or the third rotation position, the first stop member enters the first groove, the second groove or the third groove respectively.

The ninth technical solution is based on the eighth technical solution, wherein it further includes a second stopper and a second elastic member, the second stopper is installed on the driving member and surrounds the first stopper with the first stopper. The rotation axis of the driving member is arranged symmetrically, one end of the second elastic member abuts against the second stopper and the other end abuts against the driving member; the housing is also provided with a fourth groove, and the first groove and The fourth groove is arranged symmetrically around the rotation axis of the driving member, and the second groove and the third groove are arranged symmetrically around the rotating axis of the driving member; the second stopper is suitable for being acted by elastic force When the first stopper enters the first groove, the second groove or the third groove, it correspondingly enters the fourth groove, the third groove or the second groove, and The driving member exits the fourth groove, the third groove or the second groove when rotating.

From the above description of the utility model, it can be known that, compared with the prior art, the utility model has the following beneficial effects:

1. Since the bottom surface of the first groove is provided with a water inlet hole, the second groove is always connected to the first groove, so it can be positioned at the second rotation position or the third rotation position by rotating the movable valve plate, so that The second groove of the second groove can communicate with the first through hole and the second through hole respectively so as to realize the switching of the two water outlets at the bottom; and when the movable valve plate is in the first transmission position, the first groove can communicate with the third through hole and The second groove is not connected with any through hole so as to realize top water outlet. At the same time, since the water inlet hole is opened on the bottom surface of the first groove, water ingress from the side is avoided, and it is convenient to connect with the external waterway, thereby reducing the complexity of the waterway structure and reducing the cost.

2. Since the moving valve and the fixed valve are usually made of ceramics, and in order to seal, the bonding surface of the moving valve and the fixed valve needs to be polished very smooth, so there will be a phenomenon of light glue, which will hinder the relative movement of the moving valve. Fixed valve rotates. The technical solution reduces the contact area between the movable valve plate and the fixed valve plate by providing a third groove on the fixed valve plate and making its opening face the movable valve plate, thereby reducing the hindrance of the light glue phenomenon to the rotation of the fixed valve plate.

3. By connecting the fixed part with the fixed valve plate in a non-rotating manner, the rotating part is connected with the movable valve plate in a non-rotating manner. Therefore, the moving valve plate and the fixed valve plate can be rotated relative to each other by rotating the shell or rotating the valve stem to switch the waterway. Easy to operate.

4. By installing a wear-resistant pad between the shell and the rotating part, and connecting the wear-resistant pad with the drive part in a non-rotating manner, the wear is slowed down and the service life of the water valve is extended.

5. By providing a gap on the wear pad and an oil storage tank with an opening facing the wear pad on the driving part, lubricating oil can be stored in the gap and the oil storage tank, which further reduces wear and prolongs the service life of the water valve.

6. By setting the abutting part on the driving member and setting the first limit surface and the second limit surface on the shell, and make the movable valve plate rotate from the first rotation position to the second rotation position or the third rotation position respectively At this time, the abutting portion can abut against the first limiting surface or the second limiting surface respectively, thereby limiting the rotation stroke of the movable valve plate and ensuring that the water valve can be switched among the three water outlet modes.

7. By adding the first stopper and the first elastic member, and setting the first groove, the second groove and the third groove on the shell, the movable valve plate is respectively located at the first rotation position, the second rotation position or the second rotation position. When the three rotation positions are used, the first stop member can enter the first groove, the second groove or the third groove correspondingly, which is convenient for the user to locate the switching position and is convenient to use.

8. By adding the second stopper and the second elastic member, and adding the fourth slot on the shell, the second stopper and the first stopper, the first slot and the fourth slot, the second slot and the fourth slot The three slots are arranged symmetrically around the rotation axis of the drive member, so that when the first stopper enters the first slot, the second slot and the third slot respectively, the second stopper enters the fourth slot and the third slot respectively Or the second groove, which increases the stability of positioning. It should be noted that in this technical solution, the original second and third grooves can not only enter the first gear but also the second gear, and only the fourth groove is added to save the processing cost .

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the accompanying drawings that need to be used in the description of the embodiments are briefly introduced below. Obviously, the accompanying drawings in the following description are some embodiments of the utility model. For those skilled in the art, other drawings can also be obtained based on these drawings without creative efforts.

Figure 1 is an exploded view of the water valve in this embodiment.

Fig. 2 is a perspective view of the movable valve plate in this embodiment.

Fig. 3 is a perspective view of the fixed valve plate in this embodiment.

Fig. 4 is a perspective view of the valve stem in this embodiment.

Fig. 5 is a perspective view of the driving member in this embodiment.

Fig. 6 is a bottom view of the bottom cover in this embodiment.

Fig. 7 is a schematic diagram of the position of the abutting portion, the first limiting surface and the second limiting surface in this embodiment.

Fig. 8 is a schematic structural diagram of the water valve in this embodiment.

Fig. 9 is a schematic diagram of the relative positions of the movable valve plate and the fixed valve plate when water is discharged from the third water outlet in this embodiment.

Fig. 10 is a schematic diagram of the relative positions of the movable valve plate and the fixed valve plate when water is discharged from the first water outlet in this embodiment.

Fig. 11 is a schematic diagram of the relative positions of the movable valve plate and the fixed valve plate when water is discharged from the second water outlet in this embodiment.

Explanation of main reference signs:

Fixed valve plate 1, movable valve plate 2, first through hole 3, second through hole 4, first groove 5, water inlet hole 6, third through hole 7, second groove 8, third groove 9 , shell 10, bottom cover 11, water inlet 12, first water outlet 13, second water outlet 14, valve stem 15, driver 16, third water outlet 17, wear-resistant pad 18, gap 19, oil storage tank 20, The first limiting surface 21, the second limiting surface 22, the abutment portion 23, the first stopper 24, the first elastic member 25, the second stopper 26, the second elastic member 27, the abutting portion 28, The boss 29, the first special-shaped pad 30, the second special-shaped pad 31, and the third special-shaped pad 32.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention, and should not be regarded as excluding other embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the claims, description and above-mentioned drawings of the present utility model, unless otherwise clearly defined, such as the use of the terms "first", "second" or "third", etc., are for the purpose of distinguishing different objects, rather than using to describe a specific order.

In the claims, description and above-mentioned drawings of the present utility model, unless otherwise clearly defined, for orientation words, such as using the terms "center", "horizontal", "longitudinal", "horizontal", "vertical", "top ", "Bottom", "Inner", "Outer", "Up", "Down", "Front", "Back", "Left", "Right", "Clockwise", "Counterclockwise" and other directions Or the positional relationship is based on the orientation and positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed in a specific orientation And operation, so it can not be understood as limiting the specific protection scope of the present utility model.

In the claims, description and above-mentioned drawings of the utility model, unless otherwise clearly defined, if the term "fixed" or "fixed connection" is used, it should be understood in a broad sense, that is, there is no displacement relationship and relative rotation between the two. Any way of connection, that is to say, includes non-detachable fixed connection, detachable fixed connection, integral connection and fixed connection through other devices or elements.

In the claims, description and above-mentioned drawings of the present utility model, if the terms "comprising", "having" and their variants are used, it is intended to mean "including but not limited to".

The "rotation axis of the driving member 16" in this embodiment is equivalent to the "rotation axis of the movable valve plate 2".

The "non-rotating connection through non-rotating surface" in this embodiment means that the non-rotating connection in this embodiment is generally through a non-rotating surface, and other ways of anti-rotating connection can also be used. Non-rotating connection through non-rotating surface means that the junction surface of two non-rotating connected objects is a non-rotating surface, and non-rotating surface refers to other curved surfaces except the curved surface formed by the busbar rotating around an axis.

This embodiment provides a water valve, as shown in Figure 1, this water valve includes a valve plate assembly, a fixed part, a rotating part, a wear-resistant pad 18, a first stopper 24, a first elastic member 25, a second The stopper 26 and the second elastic member 27 .

As shown in Figures 1-3, the valve plate assembly includes a movable valve plate 2 and a fixed valve plate 1. Both the movable valve plate 2 and the fixed valve plate 1 are made of ceramics. The movable valve plate 2 is attached to the fixed valve plate 1 and It is suitable for rotating relative to the fixed valve plate 1 around the axis of the fixed valve plate 1. The fixed valve plate 1 is provided with a first through hole 3, a second through hole 4, and a first groove 5 and a third groove opening toward the movable valve plate 2. Groove 9, the bottom surface of the first groove 5 is provided with water inlet 6, and water inlet 6 is positioned at the middle part of fixed valve plate 1, and first groove 5 extends from the middle part of fixed valve plate 1 to the edge, and the third groove 9 , The first through holes 3 and the second through holes 4 are distributed on the edge of the fixed valve plate 1 in the circumferential direction. The movable valve plate 2 is provided with a third through hole 7 and a second groove 8 whose opening faces the fixed valve plate 1. The second groove 8 extends from the middle of the driven valve plate 2 to the edge, and the third through hole 7 is located on the movable valve plate. 2 edges. The first groove 5 communicates with the second groove 8 . Specifically, the movable valve plate 2 and the fixed valve plate 1 form a joint surface at the joint, and the first groove 5, the third groove 9, the first through hole 3 and the second through hole 4 are all opened for the joint. and the openings do not intersect each other, the second groove 8 and the third through hole 7 are also opened on the bonding surface and do not intersect each other, the openings of the first groove 5 and the second groove 8 at least partially intersect on the bonding surface so that Make the first groove 5 communicate with the second groove 8 . The movable valve plate 2 is suitable for rotating relative to the fixed valve plate 1 at the first rotation position, the second rotation position and the third rotation position. In the first rotation position, the first groove 5 communicates with the third through hole 7, and in the second rotation position At the position, the second groove 8 communicates with the first through hole 3 , and at the third rotation position, the second groove 8 communicates with the second through hole 4 . Specifically, in this embodiment, when the movable valve plate 2 is at the first rotation position, as shown in FIG. The openings on the joint surface, the openings of the second groove 8, the first through hole 3 and the second through hole 4 on the joint surface do not intersect each other; when the movable valve plate 2 is in the second rotation position, as shown in Figure 10 As shown, the opening of the first groove 5 on the fitting surface does not intersect the opening of the third through hole 7 on the fitting surface, and the opening of the second groove 8 on the fitting surface intersects the opening of the first through hole 3 on the fitting surface. The opening on the fitting surface does not intersect the opening of the second through hole 4 on the fitting surface; when the movable valve plate 2 is in the third rotation position, as shown in Figure 11, the first groove 5 is on the fitting surface The opening on the top does not intersect the opening of the third through hole 7 on the fitting surface, and the opening of the second groove 8 on the fitting surface intersects the opening of the second through hole 4 on the fitting surface and does not intersect with the opening of the second through hole 4 on the fitting surface. An opening of a through hole 3 on the bonding surface.

As shown in FIG. 1 and FIGS. 6-8 , the fixed part includes a shell 10 and a bottom cover 11 that are fixed to each other. In this embodiment, the shell 10 and the bottom cover 11 are fastened by buckling. The valve plate assembly is placed in the housing 10, and the bottom cover 11 is in sealing fit with the fixed valve plate 1 of the valve plate assembly and is connected through a non-rotating surface to prevent rotation. Specifically, the bottom cover 11 and the fixed valve plate 1 in the valve plate assembly pass through The second special-shaped gasket 31 is sealed and fitted, and is connected in a non-rotational manner by providing protrusions and depressions on the edges. The bottom surface of the bottom cover 11 is provided with a water inlet 12 , a first water outlet 13 and a second water outlet 14 corresponding to the water inlet 6 , the first through hole 3 and the second through hole 4 . In this embodiment, the end surface of the bottom cover 11 facing away from the fixed valve plate 1 is also attached with a third special-shaped gasket 32 for sealing connection with the external waterway. As shown in Figure 7, the housing 10 is provided with a first limiting surface 21 and a second limiting surface 22 distributed circumferentially on its inner wall, as well as a first groove (not shown in the figure), a second groove (shown in the figure). Not shown in), the third groove (not shown in the figure) and the fourth groove (not shown in the figure), the first groove, the second groove, the third groove and the fourth groove according to the first groove, The order of the third groove, the fourth groove, and the second groove is arranged circumferentially sequentially, the first groove and the fourth groove are arranged symmetrically around the rotation axis of the driver 16, and the second groove and the third groove are also arranged around the rotation axis of the driver 16 Symmetrical setting.

As shown in Fig. 1, Fig. 4-Fig. 5 and Fig. 7-Fig. 8, the rotating part includes a valve stem 15 and a driving part 16, and the driving part 16 is placed in the housing 10, and it is sealed with the moving valve plate 2 of the valve plate assembly. And through the anti-rotation connection of the non-rotating surface, specifically, the driving member 16 is sealed with the movable valve plate 2 of the valve plate assembly through the first special-shaped gasket 30, and is connected with the movable valve plate 2 by setting protrusions and depressions on the edge. Stop connection. An oil storage tank 20 is also provided on the driving member 16 . The valve stem 15 and the driving member 16 are sealed and fitted through a sealing ring and connected through a non-rotating surface to prevent rotation. The valve stem 15 protrudes outside the casing 10 to facilitate docking with external waterways and operation. Specifically, one end of the valve rod 15 is provided with a propping portion 28 , and the inner wall of the driving member 16 is provided with two bosses 29 , and the propping portion 28 is plugged between the two bosses 29 to realize a non-rotating connection. As shown in FIG. 8 , both the valve stem 15 and the driver 16 are hollow, the valve stem 15 forms a third water outlet 17 communicating with the inner cavity of the driver 16 , and the inner cavity of the driver 16 communicates with the third through hole 7 . Since the valve rod 15 is connected to the drive member 16 in a fixed rotation manner and the drive member 16 is connected to the movable valve plate 2 in a fixed rotation direction, the valve rod 15 can be rotated to drive the drive member 16 and then drive the movable valve plate 2 to rotate. As shown in Figure 7, an abutment portion 23 is also provided on the edge of the outer wall of the driving member 16, and when the movable valve plate 2 rotates from the first rotation position to the second rotation position, the abutment portion 23 abuts against the first limiting surface 21. When the movable valve plate 2 rotates from the first rotation position to the third rotation position, the abutting portion 23 abuts against the second limiting surface 22 .

As shown in FIG. 1 and FIG. 8 , the wear-resistant pad 18 is placed between the housing 10 and the rotating part and realizes a non-rotating surface anti-rotation connection with the driving member 16 through protrusions and depressions. The wear-resistant pad 18 is ring-shaped and has a notch 19 on it, and the opening of the notch 19 faces the shell 10 . The oil storage groove 20 on the driving member 16 opens toward the wear pad 18 .

As shown in Figure 1, both the first stopper 24 and the second stopper 26 are mounted on the driver 16 and both are arranged symmetrically around the rotation axis of the driver 16, and one end of the first elastic member 25 is against the first stopper. The other end of the positioning member 24 abuts against the driving member 16 , and one end of the second elastic member 27 abuts against the second blocking member 26 and the other end abuts against the driving member 16 . The first stopper 24 is adapted to enter the first groove, the second groove or the third groove at least partly under the action of elastic force and withdraw from the first groove, the second groove or the third groove when the driving member 16 rotates. The position piece 26 is suitable for being acted by elastic force when the first stop piece 24 respectively enters the first groove, the second groove or the third groove and correspondingly enters the fourth groove, the third groove or the second groove and exits when the driving member 16 rotates Fourth slot, third slot or second slot. When the movable valve plate 2 is at the first rotation position, the second rotation position or the third rotation position, the first stop member 24 enters the first groove, the second groove or the third groove respectively.

In specific use, the bottom cover 11 of the water valve can be fixed to the external waterway, and then the valve stem 15 can be rotated to drive the movable valve plate 2 to rotate relative to the fixed valve plate 1 to switch the waterway. For the same reason, due to the relativity of rotation, the valve stem 15 can also be fixed to the external waterway, and the waterway can be switched by rotating the casing 10 or the bottom cover 11 . In this embodiment, the bottom cover 11 is fixed to the external water channel, and the valve stem 15 is rotated to switch the water channel. When the valve rod 15 is rotated to drive the movable valve plate 2 so that the movable valve plate 2 is in the first rotation position, as shown in Figure 8 and Figure 9, the water flows from the water inlet 12 to the water inlet 6 and then flows through the first concave The groove 5 then flows from the third through hole 7 to the third water outlet 17 . Although the second groove 8 is connected to the first groove 5, the second groove 8 is not connected to the first through hole 3 or the second through hole 4, so in this case the water flow still can only flow from the third through hole. 7 flows to the third water outlet 17; when the movable valve plate 2 is in the second rotation position, as shown in Figure 10, since the opening of the first groove 5 on the fitting surface does not intersect with the third through hole 7 on the fitting surface The opening on the fitting surface, the opening of the second groove 8 on the fitting surface intersects the opening of the first through hole 3 on the fitting surface and does not intersect the opening of the second through hole 4 on the fitting surface, so The water flows from the water inlet 12 to the water inlet 6, then flows through the first groove 5 and the second groove 8, and finally flows from the first through hole 3 to the first water outlet 13; when the movable valve plate 2 is in the third rotation position 11, the opening of the first groove 5 on the fitting surface does not intersect the opening of the third through hole 7 on the fitting surface, and the opening of the second groove 8 on the fitting surface intersects The opening of the second through hole 4 on the bonding surface does not intersect the opening of the first through hole 3 on the bonding surface, so the water flows from the water inlet 12 to the water inlet 6 and then flows through the first groove 5 and The second groove 8 finally flows from the second through hole 4 to the second water outlet 14 .

In this embodiment, since the bottom surface of the first groove 5 is provided with a water inlet 6, the second groove 8 is always connected to the first groove 5, so the movable valve plate 2 can be respectively positioned at the second rotation position by rotating the valve plate 2. Or in the third rotation position, the second groove 8 can communicate with the first through hole 3 and the second through hole 4 respectively so as to realize the switching of the two water outlets at the bottom; and when the movable valve plate 2 is in the first transmission position At this time, the first groove 5 can communicate with the third through hole 7 while the second groove 8 does not communicate with any through hole, so as to realize top water outlet. At the same time, since the water inlet hole 6 is opened on the bottom surface of the first groove 5, water entering from the side is avoided, and it is convenient to connect with the external waterway, thereby reducing the complexity of the waterway structure and reducing the cost.

In this embodiment, since the movable valve plate 2 and the fixed valve plate 1 are usually made of ceramics, and in order to seal, the joint surface of the movable valve plate 2 and the fixed valve plate 1 needs to be polished very smooth, so there will be a phenomenon of light glue , and then prevent the movable valve plate 2 from rotating relative to the fixed valve plate 1. In this embodiment, the third groove 9 is provided on the fixed valve plate 1 and its opening faces the movable valve plate 2, thereby reducing the contact area between the movable valve plate 2 and the fixed valve plate 1, thereby reducing the effect of light glue on the fixed valve plate. Slice 1 is hindered by rotation.

In this embodiment, the fixed part is connected to the fixed valve plate 1 in a non-rotating manner, and the rotating part is connected to the movable valve plate 2 in a non-rotating manner. Therefore, the movable valve plate 2 can be connected to the fixed valve plate by rotating the housing 10 or rotating the valve stem 15. The sheet 1 is relatively rotated to switch the waterway, which is convenient for operation.

In this embodiment, wear-resistant pads 18 are provided between the housing 10 and the rotating part, and the wear-resistant pads 18 and the driving member 16 are connected through a non-rotating surface to slow down wear and prolong the service life of the water valve.

In this embodiment, by providing a notch 19 on the wear-resistant pad 18 and an oil storage tank 20 with an opening facing the wear-resistant pad 18 on the driver 16, lubricating oil can be stored in the notch 19 and the oil storage tank 20, which further reduces wear. The service life of the water valve is extended.

In this embodiment, by setting the abutting portion 23 on the driver 16 and setting the first limit surface 21 and the second limit surface 22 on the housing 10, the movable valve plate 2 is rotated from the first rotation position to the During the second rotation position or the third rotation position, the abutting portion 23 can abut against the first limit surface 21 or the second limit surface 22 respectively, thereby limiting the rotation stroke of the movable valve plate 2 and ensuring that the water valve can be rotated in three positions. Switch between different water jet modes.

In this embodiment, by adding the first stopper 24 and the first elastic member 25, and setting the first groove, the second groove and the third groove on the housing 10, the movable valve plate 2 is respectively positioned at the first rotation position. 1. In the second rotation position or the third rotation position, the first stop member 24 can enter the first groove, the second groove or the third groove respectively, which is convenient for the user to locate the switching position and is convenient to use.

In this embodiment, by adding the second stopper 26 and the second elastic member 27, and adding the fourth groove on the shell 10, wherein the second stopper 26 and the first stopper 24, the first groove and the second The four grooves, the second groove and the third groove are all arranged symmetrically around the rotation axis of the driving member 16, so that when the first stop member 24 enters the first groove, the second groove and the third groove respectively, the second stop member 26 corresponds to entering the fourth groove, the third groove or the second groove respectively, which increases the stability of positioning. It should be noted that in this embodiment, the original second groove and the third groove can not only enter the first stopper 24 but also the second stopper 26. Only the fourth groove is additionally added, which saves Processing costs.

The above specification and description of the embodiments are used to explain the protection scope of the present utility model, but do not constitute a limitation to the protection scope of the present utility model. Through the enlightenment of the utility model or the above-mentioned embodiments, those of ordinary skill in the art can obtain the understanding of the utility model through logical analysis, reasoning or limited experiments in combination with common knowledge, common technical knowledge in the field and/or prior art. The modifications, equivalent replacements or other improvements of the embodiments or some of the technical features thereof shall be included in the protection scope of the present utility model.

Claims (9)

1. A valve plate assembly, characterized in that it includes a fixed valve plate (1) and a moving valve plate (2), the moving valve plate (2) is attached to the fixed valve plate (1) and is suitable for winding The axis of the fixed valve plate (1) rotates relative to the fixed valve plate (1), and the fixed valve plate (1) is provided with a first through hole (3), a second through hole (4) and an opening facing the fixed valve plate (1). The first groove (5) of the moving valve plate (2), the bottom surface of the first groove (5) is provided with a water inlet hole (6); the moving valve plate (2) is provided with a third through hole (7) and opening towards the second groove (8) of the fixed valve plate (1), the first groove (5) communicates with the second groove (8); the moving valve plate (2 ) is adapted to rotate at the first rotation position, the second rotation position and the third rotation position relative to the fixed valve plate (1), and at the first rotation position, the first groove (5) communicates with the first rotation position Three through holes (7), in the second rotation position, the second groove (8) communicates with the first through hole (3), in the third rotation position, the second groove ( 8) Connecting with the second through hole (4). 2. A valve plate assembly according to claim 1, characterized in that the fixed valve plate (1) is further provided with a third groove (9), and the opening of the third groove (9) faces the Describe the movable valve plate (2). 3. A water valve, characterized in that, comprising: The valve plate assembly as claimed in claim 1 or 2; The fixed part includes a shell (10) and a bottom cover (11) fixed to each other, the valve plate assembly is placed in the shell (10), the bottom cover (11) and the valve plate assembly are fixed The valve plate (1) is tightly fitted and non-rotatingly connected, and its bottom surface is provided with a water inlet corresponding to the water inlet hole (6), the first through hole (3) and the second through hole (4) (12), a first water outlet (13) and a second water outlet (14); and Rotary part, which includes a valve stem (15) and a driving member (16), the driving member (16) is placed in the housing (10), and it is in sealing fit with the moving valve plate (2) of the valve plate assembly And anti-rotation connection, the valve rod (15) is sealed and connected with the driving member (16) and anti-rotation connection, and it is provided with a third water outlet (17) communicating with the third through hole (7). 4. A water valve according to claim 3, characterized in that, it also comprises a wear-resistant pad (18), and the wear-resistant pad (18) is placed between the housing (10) and the rotating part And it is non-rotatably connected with the driving member (16). 5. A water valve according to claim 4, characterized in that a notch (19) is provided on the wear-resistant pad (18), and the notch (19) opens toward the casing (10). 6. A water valve according to claim 4, characterized in that, the driving member (16) is provided with an oil storage tank (20), and the opening of the oil storage tank (20) faces the wear-resistant pad (18 ). 7. The water valve according to claim 3, characterized in that, the abutting portion (23) is provided on the driving member (16), and the first circumferentially distributed The limit surface (21) and the second limit surface (22), when the movable valve plate (2) rotates from the first rotation position to the second rotation position, the abutment portion (23) abuts against connected to the first limit surface (21), when the movable valve plate (2) rotates from the first rotation position to the third rotation position, the abutment portion (23) abuts against the The second limiting surface (22). 8. The water valve according to claim 3, further comprising a first stopper (24) and a first elastic member (25), the first stopper (24) is installed on In the driving part (16), one end of the first elastic part (25) abuts against the first stopper (24) and the other end abuts against the driving part (16); the housing (10) is also provided with There are a first groove, a second groove and a third groove; the first stopper (24) is adapted to enter at least part of the first groove, the second groove or the third groove under the action of elastic force And withdraw from the first groove, the second groove or the third groove when the driving member (16) rotates; the movable valve plate (2) is located at the first rotation position, the second In the rotation position or the third rotation position, the first stopper (24) enters the first groove, the second groove or the third groove respectively. 9. A water valve according to claim 8, characterized in that it further comprises a second stopper (26) and a second elastic member (27), the second stopper (26) is mounted on The drive member (16) is arranged symmetrically with the first stop member (24) around the rotation axis of the drive member (16), and one end of the second elastic member (27) is against the second stop The other end of the position piece (26) is against the drive piece (16); the housing (10) is also provided with a fourth groove, and the first groove and the fourth groove surround the drive piece (16). The rotation axis is arranged symmetrically, and the second groove and the third groove are arranged symmetrically around the rotation axis of the driving member (16); the second stopper (26) is suitable for acting on the first When the stopper (24) respectively enters the first groove, the second groove or the third groove, it enters the fourth groove, the third groove or the second groove correspondingly, and in the The driving member (16) exits the fourth groove, the third groove or the second groove when rotating.