CN220980330U - Switching valve for shower - Google Patents

Abstract

The utility model discloses a switching valve for shower, which comprises a valve body, a key assembly and a switching assembly; a water inlet cavity, a water outlet cavity and a connecting cavity are formed in the valve body; the water inlet cavity is communicated with the connecting cavity through the first water outlet, and the water outlet cavity is communicated with the connecting cavity through the second water inlet; the switching assembly comprises a piston and an elastic piece, the piston is arranged in the connecting cavity and can reciprocate between a first position and a second position, the elastic piece is used for providing elastic force for the piston, the elastic piece can move from the first position to the second position when the piston is pressed, the first water outlet is communicated with the second water inlet when the piston is positioned at the first position, and the piston blocks the first water outlet from being communicated with the second water inlet when the piston is positioned at the second position; the key assembly comprises a key, and the key is connected with the piston and is used for providing pressing force for the piston. The switching valve can realize the change of water pressure of water flow and has the advantages of simple structure, convenient operation, low production cost, long service life and the like.

Description

Switching valve for shower

Technical Field

The utility model belongs to the technical field of bathroom equipment, and particularly relates to a switching valve for shower.

Background

Existing shower systems have various water outlet modes, such as massage, soft, turbine, jiang Shu, etc., and in order to facilitate switching of the water outlet modes, some shower systems can implement automatic switching of the water outlet modes according to water pressure changes. At present, a valve for realizing water pressure change in a shower system still adopts a traditional shower switch water valve, and the valve is closed when the water outlet mode of the shower system is switched every time, then the valve is opened, so that the operation is complex, and the service life of the valve is influenced.

Disclosure of utility model

In view of the above, the present utility model discloses a switching valve for a shower to overcome or at least partially solve the above problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a switching valve for shower, which comprises a valve body, a key assembly and a switching assembly;

A water inlet cavity, a water outlet cavity and a connecting cavity are formed in the valve body; the water inlet cavity is provided with a first water inlet and a first water outlet, the water inlet cavity is communicated with the connecting cavity through the first water outlet, the water outlet cavity is provided with a second water inlet and a second water outlet, and the water outlet cavity is communicated with the connecting cavity through the second water inlet;

the switching assembly comprises a piston and an elastic piece, wherein the piston is arranged in the connecting cavity and can reciprocate between a first position and a second position, and the elastic piece is used for providing elastic force for the piston, wherein the elastic force is kept at the first position, and the piston can move from the first position to the second position when being pressed;

When the piston is positioned at the first position, the first water outlet is communicated with the second water inlet, and when the piston is positioned at the second position, the piston blocks the first water outlet from being communicated with the second water inlet;

The key assembly comprises a key, and the key is connected with the piston and used for providing pressing force for the piston.

Further, an opening is formed in the cavity wall of the connecting cavity, and the rear end of the piston penetrates out of the connecting cavity from the opening and is connected with the key.

Further, the switching assembly further comprises a first set and a second set;

The first sleeve member is fixed at one end, close to the opening, in the connecting cavity, the second sleeve member is fixed at one end, far away from the opening, in the connecting cavity, and the piston penetrates through the first sleeve member and the second sleeve member and can axially move relative to the first sleeve member and the second sleeve member.

Further, the elastic piece is a spring, the front end of the piston is provided with a containing groove, the spring is located in the containing groove and has compression pretightening force, one end of the spring is abutted to the piston, and the other end of the spring is abutted to the second sleeve member.

Further, a first sealing ring is arranged between the piston and the first sleeve member, a second sealing ring is arranged between the piston and the second sleeve member, a third sealing ring is sleeved at the middle position of the piston, and the third sealing ring is used for blocking the first water outlet from being communicated with the second water inlet.

Further, a first positioning block or a first positioning groove is formed in the outer circumference of the first sleeve, and a first positioning groove or a first positioning block matched with the first positioning block or the first positioning groove is formed in the valve body;

The outer circumference of the second sleeve member is provided with a second positioning block or a second positioning groove, and the valve body is provided with a second positioning groove or a second positioning block matched with the second positioning block or the second positioning groove.

Further, a protruding rib or a groove is formed in the piston along the axial direction, and a groove or a protruding rib matched with the protruding rib or the groove is formed in the first sleeve member or the second sleeve member.

Further, the opening is covered with a limit cover plate, the limit cover plate is provided with a through hole, the rear end of the piston penetrates through the through hole, the outer circumference of the piston is provided with a limit flange, the limit flange is positioned in the connecting cavity, and the outer diameter of the limit flange is larger than the aperture of the through hole.

Further, the key assembly further comprises a swinging rod;

The swinging rod is rotationally connected with the valve body, one end of the swinging rod is abutted with the key, and the other end of the swinging rod is abutted with the rear end of the piston.

Further, the water inlet seat and the water inlet joint are also included;

The water inlet seat is internally provided with a water inlet channel, the water inlet end of the water inlet channel is fixedly connected with the water inlet joint, and the water outlet end of the water inlet channel is fixedly connected with the first water inlet.

The utility model has the advantages and beneficial effects that:

According to the switching valve, the water inlet cavity, the water outlet cavity and the connecting cavity are formed in the valve body, the piston is arranged in the connecting cavity, when the piston is pressed, the piston can overcome the elasticity of the elastic piece to move the piston, the water inlet cavity is blocked from being communicated with the water outlet cavity through the connecting cavity, so that water flow cannot pass through the switching valve, the water flow pressure output by the switching valve is zero, when the piston is not pressed, the piston does not block the water inlet cavity from being communicated with the water outlet cavity through the connecting cavity, so that water flow can normally pass through the switching valve, the water flow pressure output by the switching valve is normal water pressure, and the change of the water flow pressure can be realized only by one click.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a perspective view of a switching valve according to an embodiment of the present utility model;

FIG. 2 is a front view of a switching valve in one embodiment of the utility model;

FIG. 3 is a vertical cross-section of the switching valve along the y-axis with the piston in a first position in accordance with one embodiment of the present utility model;

FIG. 4 is a vertical cross-section of the switching valve along the x-axis with the piston in the first position in an embodiment of the utility model;

Fig. 5 is a top view of a switching valve in an embodiment of the utility model.

In the figure: 1. a valve body; 2. a water inlet cavity; 3. a water outlet cavity; 4. a connecting cavity; 5. a first water inlet; 6. a first water outlet; 7. a second water inlet; 8. a second water outlet; 9. a piston; 10. a key; 11. a first set; 12. a second set; 13. a spring; 14. a receiving groove; 15. a first seal ring; 16. a second seal ring; 17. a third seal ring; 18. a second positioning block; 19. a limit cover plate; 20. a limit flange; 21. a swinging rod; 22. a water inlet seat; 23. a water inlet joint; 24. a water inlet channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.

In one embodiment of the utility model, a switching valve for a shower is disclosed, and as shown in fig. 1 to 5, the switching valve comprises a valve body 1, a key assembly and a switching assembly; wherein, button subassembly and switching component set up on the valve body, and switching component is used for switching the break-make of the internal water route of valve, and button subassembly is used for driving switching component.

Specifically, a water inlet cavity 2, a water outlet cavity 3 and a connecting cavity 4 are formed in the valve body 1, the water inlet cavity 2 and the water outlet cavity 3 are mutually independent cavities, the water inlet cavity 2 and the water outlet cavity 3 can be arranged on one side of the connecting cavity 4, and of course, the water inlet cavity 2 and the water outlet cavity 3 can also be arranged on different sides of the connecting cavity 4; the water inlet cavity 2 is provided with a first water inlet 5 and a first water outlet 6, the water inlet cavity 2 is communicated with the connecting cavity 4 through the first water outlet 6, the water outlet cavity 3 is provided with a second water inlet 7 and a second water outlet 8, and the water outlet cavity 3 is communicated with the connecting cavity 4 through the second water inlet 7; in this way, water flow can flow into the water inlet cavity 2 through the first water inlet 5, then flows into the connecting cavity 4 through the first water outlet 6, then flows into the water outlet cavity 3 through the second water inlet 7, and finally flows out through the second water outlet 8. The first water inlet can be connected with the water inlet pipe to realize water inlet of the switching valve, and the second water outlet can be communicated with the shower head capable of automatically switching the water outlet mode according to water pressure change.

The switching assembly comprises a piston 9 and an elastic member, the piston 9 is arranged in the connecting cavity 4 and can reciprocate between a first position and a second position, the elastic member is used for providing elastic force for the piston 9, the elastic member overcomes the elastic force of the elastic member when the piston 9 is pressed, the piston 9 moves from the first position to the second position, and when the piston 9 is not pressed, the elastic member pushes the piston 9 to move from the second position to the first position.

When the piston 9 is located at the first position, the first water outlet 6 is communicated with the second water inlet 7, water flow can flow into the valve body 1 through the first water inlet 5 and then flow out of the second water outlet 8, and at the moment, the whole switching valve is in an open state, and the water flow can normally pass through the switching valve. When the piston 9 is located at the second position, the piston 9 blocks the first water outlet 6 from being communicated with the second water inlet 7, water in the water inlet cavity 2 cannot flow into the water outlet cavity 3, at the moment, the whole switching valve is in a closed state, and the water cannot normally pass through the switching valve. Therefore, the quick switching-off of the switching valve can be realized by pressing the piston briefly, the change of the output water pressure is realized, and the operation is simpler and more convenient. And moreover, the switching valve can be switched off through the movement of the piston, so that the abrasion of the switching valve is smaller, and the service life is longer.

The key assembly comprises a key 10, wherein the key 10 is connected with the piston 9 and is used for providing pressing force for the piston 9; in this way, the user can press the key 10 to drive the piston 9 to move from the first position to the second position, so as to realize the on-off of the water flow flowing through the switching valve.

In summary, in the switching valve of this embodiment, through setting up inlet chamber, water outlet chamber and connecting chamber in the valve body, and set up the piston in the connecting chamber, when pressing the piston, the piston can overcome the elasticity of elastic component and carry out the piston motion, block inlet chamber and play water chamber intercommunication through the connecting chamber, make rivers unable through the switching valve, so that the rivers water pressure of switching valve output is zero, when not pressing the piston, the piston does not block inlet chamber and go out water chamber intercommunication through the connecting chamber, make rivers water pressure that switching valve output is normal water pressure, just can realize rivers water pressure's change through one pressing, make it can cooperate with the shower head that can be according to the water pressure change automatic switch-over water outlet mode, this switching valve has simple structure, the simple operation, low in production cost and advantages such as long service life.

In this embodiment, as shown in fig. 1 to 4, an opening is formed in the wall of the connection chamber 4, and the rear end of the piston 9 passes through the opening from the connection chamber 4 and is connected to the key 10. Thus, the piston 9 can be driven to move by pressing the key 10.

And, as shown in fig. 1, 3 to 5, the switching assembly further comprises a first set 11 and a second set 12.

The first sleeve member 11 is fixed at one end, close to the opening, in the connecting cavity 4, a sealing member is arranged between the first sleeve member 11 and the cavity wall of the connecting cavity 4 for sealing between the first sleeve member and the cavity wall, the second sleeve member 12 is fixed at one end, far away from the opening, in the connecting cavity 4, a sealing member is also arranged between the second sleeve member 12 and the cavity wall of the connecting cavity 4 for sealing between the second sleeve member 12 and the cavity wall, and the rear end and the front end of the piston 9 respectively penetrate through the first sleeve member 11 and the second sleeve member 12; specifically, the rear end of the piston 9 passes out of the first sleeve 11, the front end of the piston 9 is located in the second sleeve 12, and the piston 9 is axially movable with respect to the first sleeve 11 and the second sleeve 12. By providing the first sleeve 11 and the second sleeve 12, the movement of the piston 9 in the connecting chamber 4 can be smoother, and the manufacturing difficulty and the manufacturing cost of the valve body 1 can be reduced. In this embodiment, the first and second sets are separate components from the valve body; of course, in other embodiments, the first sleeve, the second sleeve, and the valve body may be of unitary construction.

Further, as shown in fig. 3 and 4, the elastic member is a spring 13, the front end of the piston 9 is provided with a receiving groove 14, the spring 13 is located in the receiving groove 14, and the spring 13 has a compression pre-tightening force, so that the spring 13 can have enough elastic force, when the piston 9 is not pressed, the piston 9 is kept at the first position, one end of the spring 13 is abutted against the piston 9, the other end of the spring 13 is abutted against the second sleeve member 12, and the piston 9 can be driven to move from the second position to the first position. Of course, the elastic member may be an elastic member such as a spring plate.

In addition, as shown in fig. 3 and 4, a first sealing ring 15 is arranged between the piston 9 and the first sleeve 11, a second sealing ring 16 is arranged between the piston 9 and the second sleeve 12, sealing between the piston 9 and the first sleeve 11 is realized by arranging the first sealing ring 15, sealing between the piston 9 and the second sleeve 12 is realized by arranging the second sealing ring 16, a third sealing ring 17 is sleeved at the middle position of the piston 9, the third sealing ring 17 is used for blocking communication between the first water outlet 6 and the second water inlet 7, namely, when the piston 9 is positioned at the second position, the third sealing ring 17 is just positioned between the first water outlet 6 and the second water inlet 7 to block communication between the first water outlet 6 and the second water outlet 7, and when the piston 9 is positioned at the first position, the third sealing ring 17 is positioned below the first water outlet 6 and the second water outlet 7 to be communicated.

In this embodiment, be equipped with first locating block on the outer circumference of first external member, be equipped with on the valve body with first locating block complex first constant head tank, when first external member assembly in the valve body, first locating block just in time is located first constant head tank, realizes the location of first external member and valve body, prevents that first external member from rotating in the valve body. Wherein the positions of the first positioning block and the first positioning groove can be interchanged.

Moreover, as shown in fig. 5, the second positioning block 18 is arranged on the outer circumference of the second sleeve member 12, the valve body 1 is provided with a second positioning groove matched with the second positioning block 18, and when the second sleeve member 12 is assembled in the valve body 1, the second positioning block 18 is just positioned in the second positioning groove, so that the positioning of the second sleeve member 12 and the valve body 1 is realized, and the second sleeve member 12 is prevented from rotating in the valve body 1. The positions of the second positioning block and the second positioning groove can be interchanged.

In addition, be equipped with protruding muscle along the axial on the piston, be equipped with on the first external member with protruding muscle complex recess, when first external member cover on the piston, protruding muscle just in time is located the recess, can prevent like this that the piston from rotating in first external member, sealing nature and stability when guaranteeing the piston and reciprocating motion. Of course, in other embodiments, the recess may be provided on the piston and the raised bead may be provided on the first sleeve member. Or the structures of the convex ribs and the grooves can be arranged on the piston and the second sleeve, and the rotation limit of the piston is realized through the second sleeve.

In this embodiment, as shown in fig. 1 to 3, the opening is covered with a limit cover plate 19, the limit cover plate 19 is provided with a through hole, the rear end of the piston 9 passes through the through hole, the outer circumference of the piston 9 is provided with a limit flange 20, the limit flange 20 is located in the connecting cavity 4, and the outer diameter of the limit flange 20 is larger than the aperture of the through hole. Thus, the piston 9 can be limited when reciprocating, and the piston 9 is prevented from excessive movement and separation from the connecting cavity 4.

In addition, as shown in fig. 1 to 4, the key assembly further includes a swing lever 21. Wherein, the swinging rod can be circular arc.

Specifically, the rocking beam 21 is rotatably connected to the valve body 1, one end of the rocking beam 21 abuts against the key 10, the other end of the rocking beam 21 abuts against the rear end of the piston 9, and when the key 10 is pressed, the pressing force is transmitted to the piston 9 through the rocking beam 21, and the piston 9 is driven to move. By providing the swing lever 21, the direction of the pressing force can be changed, and the pressing force originally parallel to the horizontal direction can be changed to the pressing force perpendicular to the horizontal direction, thereby facilitating the setting of the key 10.

In addition, as shown in fig. 1 to 4, the switching valve further includes a water inlet seat 22 and a water inlet joint 23.

Specifically, a water inlet channel 24 is formed in the water inlet seat 22, a water inlet end of the water inlet channel 24 is fixedly connected with the water inlet joint 23, and can be connected with the water inlet pipe through the water inlet joint 23, a water outlet end of the water inlet channel 24 is fixedly connected with the first water inlet 5, for example, through a snap connection between the water inlet seat 22 and the valve body 1, so that the water inlet channel 24 is communicated with the first water inlet 5. Screw holes can be formed in the water inlet seat, and the water inlet seat is fixedly connected with an external structure through bolts and the screw holes.

The foregoing is merely a specific embodiment of the utility model and other modifications and variations can be made by those skilled in the art in light of the above teachings. It is to be understood by persons skilled in the art that the foregoing detailed description is provided for the purpose of illustrating the utility model more fully, and that the scope of the utility model is defined by the appended claims.

Claims (10)

1. The switching valve for shower is characterized by comprising a valve body (1), a key assembly and a switching assembly;

A water inlet cavity (2), a water outlet cavity (3) and a connecting cavity (4) are formed in the valve body (1); the water inlet cavity (2) is provided with a first water inlet (5) and a first water outlet (6), the water inlet cavity (2) is communicated with the connecting cavity (4) through the first water outlet (6), the water outlet cavity (3) is provided with a second water inlet (7) and a second water outlet (8), and the water outlet cavity (3) is communicated with the connecting cavity (4) through the second water inlet (7);

The switching assembly comprises a piston (9) and an elastic piece, wherein the piston (9) is arranged in the connecting cavity (4) and can reciprocate between a first position and a second position, and the elastic piece is used for providing elastic force for the piston (9) which is kept at the first position, and the piston (9) can move from the first position to the second position when the piston (9) is pressed;

Wherein when the piston (9) is located at the first position, the first water outlet (6) is communicated with the second water inlet (7), and when the piston (9) is located at the second position, the piston (9) blocks the first water outlet (6) from being communicated with the second water inlet (7);

The key assembly comprises a key (10), wherein the key (10) is connected with the piston (9) and is used for providing pressing force for the piston (9).

2. A switching valve for a shower according to claim 1, characterized in that the connecting chamber (4) has an opening in the chamber wall, the rear end of the piston (9) being passed out of the connecting chamber (4) through the opening and being connected to the key (10).

3. The switching valve of a shower according to claim 2, characterized in that the switching assembly further comprises a first set (11) and a second set (12);

The first sleeve member (11) is fixed at one end, close to the opening, in the connecting cavity (4), the second sleeve member (12) is fixed at one end, far away from the opening, in the connecting cavity (4), and the piston (9) penetrates through the first sleeve member (11) and the second sleeve member (12) and can axially move relative to the first sleeve member (11) and the second sleeve member (12).

4. A switching valve for a shower according to claim 3, wherein the elastic member is a spring (13), the front end of the piston (9) is provided with a receiving groove (14), the spring (13) is located in the receiving groove (14) and has a compression pre-tightening force, one end of the spring (13) is abutted to the piston (9), and the other end of the spring (13) is abutted to the second sleeve member (12).

5. A switching valve for a shower according to claim 3, characterized in that a first sealing ring (15) is arranged between the piston (9) and the first sleeve (11), a second sealing ring (16) is arranged between the piston (9) and the second sleeve (12), a third sealing ring (17) is sleeved at the middle position of the piston (9), and the third sealing ring (17) is used for blocking the first water outlet (6) from being communicated with the second water inlet (7).

6. A switching valve for a shower according to claim 3, wherein a first positioning block or a first positioning groove is provided on the outer circumference of the first sleeve (11), and a first positioning groove or a first positioning block which is matched with the first positioning block or the first positioning groove is provided on the valve body (1);

The outer circumference of the second sleeve member (12) is provided with a second positioning block (18) or a second positioning groove, and the valve body (1) is provided with a second positioning groove or a second positioning block matched with the second positioning block (18) or the second positioning groove.

7. A switching valve for a shower according to claim 3, characterized in that the piston (9) is provided with a raised rib or groove in the axial direction, and the first sleeve (11) or the second sleeve (12) is provided with a groove or raised rib cooperating with the raised rib or groove.

8. The shower switching valve according to claim 2, wherein the opening is covered with a limit cover plate (19), a through hole is formed in the limit cover plate (19), the rear end of the piston (9) passes through the through hole, a limit flange (20) is arranged on the outer circumference of the piston (9), the limit flange (20) is positioned in the connecting cavity (4), and the outer diameter of the limit flange (20) is larger than the aperture of the through hole.

9. A switching valve for a shower according to claim 1, characterized in that the key assembly further comprises a swinging lever (21);

The swing rod (21) is rotatably connected with the valve body (1), one end of the swing rod (21) is abutted with the key (10), and the other end of the swing rod (21) is abutted with the rear end of the piston (9).

10. The switching valve of a shower according to any one of claims 1 to 9, further comprising a water inlet seat (22) and a water inlet joint (23);

a water inlet channel (24) is formed in the water inlet seat (22), the water inlet end of the water inlet channel (24) is fixedly connected with the water inlet joint (23), and the water outlet end of the water inlet channel (24) is fixedly connected with the first water inlet (5).