CN116616632A - Shower apparatus - Google Patents

Abstract

The invention discloses shower equipment, which comprises a spray head, a shower rod and a switching valve, wherein the spray head is arranged on the shower rod; the switching valve can output different water flow pressures according to whether the first piston is pressed or not, and the spray head can output different water flow pressures according to the switching valve to switch the water channel so as to realize switching of the water outlet mode. The shower device can realize the operation of switching the water outlet mode of the spray head at the lower part of the shower device, is more convenient to use, and has the advantages of simple structure, good shower experience and the like.

Description

Shower apparatus

Technical Field

The invention belongs to the technical field of bathroom equipment, and particularly relates to shower equipment.

Background

The shower is taken as necessary equipment in a bathroom, brings great convenience to the life of people, and in order to meet the demands of different users on water consumption modes, the shower needs to have various water outlet modes, such as massage type, soft type, turbine type, jiang Shu type and the like, and the modes can be switched for use. However, the existing shower with the function of switching the water outlet mode has the problem that the switching operation end is arranged on the shower nozzle of the shower, so that a user needs to lift the head upwards for operation in the switching process, the switching operation is inconvenient, and the shower experience is seriously affected.

Disclosure of Invention

In view of the above, the present invention discloses a shower apparatus to overcome or at least partially solve the above problems.

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

the invention provides shower equipment, which comprises a shower nozzle, a shower rod and a switching valve, wherein the shower nozzle is arranged on the shower rod, and the switching valve is connected with a water inlet end of the shower nozzle;

the switching valve comprises a valve body, wherein a water inlet cavity and a water outlet cavity are formed in the valve body, the water inlet cavity is used for water inlet through a first water inlet, and the water outlet cavity is used for water outlet through a first water outlet;

the valve body is internally provided with a first piston and a first elastic piece, the first piston can reciprocate between a first position and a second position, the first elastic piece is used for providing elastic force for the first piston, which is kept at the first position, so that the water inlet cavity is communicated with the water outlet cavity, the water flowing out of the first water outlet is not zero in water pressure, and when the first piston is pressed, the first piston moves from the first position to the second position, the water inlet cavity is blocked from being communicated with the water outlet cavity, and the water flowing out of the first water outlet is zero in water pressure;

the spray head comprises a driving cavity, a water inlet channel and at least two water outlet channels, the driving cavity is provided with a second water inlet and a second water outlet, the first water outlet provides water flow pressure for the driving cavity through the second water inlet, the second water outlet is communicated with the water inlet channels, a water distribution disc is arranged between the water inlet channels and each water outlet channel, the water distribution disc can axially rotate, and the water inlet channels are switched to be communicated with different water outlet channels;

the driving cavity is internally provided with a second piston and a second elastic piece, the second piston can reciprocate between a third position and a fourth position, the second elastic piece is used for providing elastic force for the second piston, the second piston is kept at the third position when the water flow pressure in the driving cavity is zero, the water flow pressure in the driving cavity is not zero, the second piston moves from the third position to the fourth position under the action of the water flow pressure, and the water distribution plate is driven to rotate, so that the water channel switching is realized.

Further, a connecting cavity is formed in the valve body;

the connecting cavity is provided with a third water inlet and a third water outlet, the connecting cavity is communicated with the water inlet cavity through the third water inlet, the connecting cavity is communicated with the water outlet cavity through the third water outlet, the first piston and the first elastic piece are arranged in the connecting cavity, the first piston can reciprocate in the connecting cavity, the first piston is positioned at the first position, the third water inlet is communicated with the third water outlet, the first piston is positioned at the second position, and the first piston blocks the third water inlet from being communicated with the third water outlet.

Further, an opening is formed in the cavity wall of the connecting cavity, and the rear end of the first piston penetrates out of the connecting cavity from the opening;

the one end that is close to in the connection chamber is fixed with first external member, the one end that is kept away from in the connection chamber the opening is fixed with the second external member, first piston passes first external member with the second external member, and can be relative first external member with the second external member carries out axial displacement.

Further, the opening upper cover has spacing apron, it has the through-hole to open on the spacing apron, the rear end of first piston passes the through-hole, be equipped with spacing flange on the outer circumference of first piston, just spacing flange is located connect the intracavity, the external diameter of spacing flange is greater than the aperture of through-hole.

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

Further, the second water inlet and the second water outlet are arranged along the direction of the second piston to reciprocate, so that when the second piston is located at the third position, the second piston blocks the second water inlet from being communicated with the second water outlet, and when the second piston is located at the fourth position, the second water inlet is communicated with the second water outlet.

Further, the spray head also comprises a main driving disc and a secondary driving disc which are coaxially arranged;

the secondary driving disc and the primary driving disc are sequentially arranged above the water distribution disc from bottom to top, a first bevel gear is arranged on the lower end face of the secondary driving disc, a second bevel gear meshed with the first bevel gear is arranged on the upper end face of the water distribution disc, and the primary driving disc and the secondary piston are linked to enable the secondary piston to sequentially pass through the primary driving disc and the secondary driving disc to drive the water distribution disc to rotate along a preset direction.

Further, a driving rod is fixed at the rear end of the second piston, the driving rod extends to one side of the main driving disc, a driving groove or a driving protrusion is arranged on the driving rod, and a driving protrusion or a driving groove matched with the driving groove or the driving protrusion is arranged on the outer circumference of the main driving disc.

Further, the spray head also comprises a fixing seat;

the water distribution disc is arranged on the lower side of the fixed seat, the main driving disc is arranged on the upper side of the fixed seat, a first limit lug is arranged on the outer circumference of the main driving disc, a second limit lug and a third limit lug which are arranged at intervals are arranged on the upper side of the fixed seat, and the first limit lug is positioned between the second limit lug and the third limit lug.

Further, the switching valve is arranged at the middle position or the bottom position of the shower rod, and the first water outlet and the second water inlet are communicated through a connecting pipe.

The invention has the advantages and beneficial effects that:

the shower device can switch the water outlet mode of the spray head through the switching valve, and has the advantages of convenience in use, convenience in operation, simple structure, low production cost, long service life, good shower experience and the like.

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 invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a perspective view of a shower apparatus in one embodiment of the invention;

fig. 2 is a perspective view of a shower apparatus according to another embodiment of the present invention;

FIG. 3 is a perspective view of a switching valve according to an embodiment of the present invention;

FIG. 4 is a front view of a switching valve in one embodiment of the invention;

FIG. 5 is a vertical cross-section of the switching valve along the y-axis with the first piston in the first position in one embodiment of the invention;

FIG. 6 is a vertical cross-section of the switching valve along the x-axis with the first piston in the first position in one embodiment of the invention;

FIG. 7 is a top view of a switching valve in one embodiment of the invention;

FIG. 8 is a perspective view of a spray head according to one embodiment of the present invention;

FIG. 9 is a front view of a spray head in one embodiment of the invention;

FIG. 10 is a top view of a showerhead according to one embodiment of the invention;

FIG. 11 is a vertical cross-section of the spray head along the axis of the second piston in a fourth position of the second piston in one embodiment of the present invention;

FIG. 12 is a vertical cross-section of a sprinkler head along the axis of a ball joint in one embodiment of the present invention;

fig. 13 is a partial enlarged view of fig. 12.

In the figure: 1. a spray head; 2. a shower bar; 3. switching the valve; 4. a valve body; 5. a water inlet cavity; 6. a water outlet cavity; 7. a first water inlet; 8. a first water outlet; 9. a first piston; 10. a first elastic member; 11. a drive chamber; 12. a second water inlet; 13. a second water outlet; 14. a water distribution plate; 15. a second piston; 16. a second elastic member; 17. a connecting cavity; 18. a third water inlet; 19. a third water outlet; 20. a first set; 21. a second set; 22. a limit cover plate; 23. a limit flange; 24. a key; 25. a swinging rod; 26. a main drive disk; 27. a slave drive disk; 28. a driving rod; 29. a driving groove; 30. driving the protrusion; 31. a fixing seat; 32. a first limit bump; 33. the second limit bump; 34. a third limit bump; 35. a circumferential projection; 36. a circumferential groove; 37. a limiting frame; 38. a protruding rib; 39. a spring cover; 40. a guide groove; 41. a spherical joint; 42. a thread sleeve; 43. a connecting seat; 44. connecting a water channel; 45. a first seal ring; 46. a second seal ring; 47. a third seal ring; 48. a second positioning block; 49. a water inlet seat; 50. a water inlet joint; 51. a water inlet channel.

Detailed Description

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

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

In one embodiment of the invention, as shown in fig. 1, the shower device comprises a shower nozzle 1, a shower rod 2 and a switching valve 3, wherein the shower nozzle 1 is arranged on the shower rod 2, the switching valve 3 is connected with the water inlet end of the shower nozzle 1, and the switching valve 3 can be arranged on the shower rod 2, so that the control of the shower nozzle 1 is realized through the switching valve 3. In this embodiment, the nozzle is a top nozzle. Of course, in other embodiments, the spray head may be a hand-held shower head; also, as shown in fig. 2, the switching valve 3 may be fixed at the shower faucet.

Specifically, as shown in fig. 3 to 7, the switching valve 3 includes a valve body 4, a water inlet cavity 5 and a water outlet cavity 6 are formed in the valve body 4, the water inlet cavity 5 and the water outlet cavity 6 are mutually independent cavities, the water inlet cavity 5 is filled with water through a first water inlet 7, the water outlet cavity 6 is filled with water through a first water outlet 8, so that the valve body 4 is filled with water from the first water inlet 7, and then is discharged from the first water outlet 8. The first water inlet can be connected with a water inlet pipe of the shower device, so that water inlet of the shower device is realized.

The valve body 4 is internally provided with a first piston 9 and a first elastic piece 10, and the first piston 9 can reciprocate between a first position and a second position; when the first piston 9 is not pressed, the first elastic piece 10 provides the first piston 9 with elastic force kept at the first position, so that the water inlet cavity 5 is communicated with the water outlet cavity 6, water flow can flow into the valve body 4 through the first water inlet 7 and then flow out through the first water outlet 8, at the moment, the whole switching valve is in an open state, and water flow can normally pass through the switching valve, so that the water flow pressure flowing out of the first water outlet 8 is not zero; when the first piston 9 is pressed, the first piston 9 overcomes the elasticity of the first elastic piece 10, moves from the first position to the second position, and blocks the communication between the water inlet cavity 5 and the water outlet cavity 6, so that water cannot flow out through the first water outlet 8, at the moment, the whole switching valve is in a closed state, and water cannot normally pass through the switching valve, so that the water flowing out of the first water outlet 8 has zero flowing water pressure; therefore, the quick switching-off of the switching valve can be realized by briefly pressing the first piston, and further, 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 first piston, so that the abrasion of the switching valve is smaller, and the service life is longer.

In addition, as shown in fig. 11, the spray head 1 includes a driving chamber 11, a water inlet passage, and at least two water outlet passages; wherein, different water outlet channels correspond to different water outlet modes. The driving cavity 11 is provided with a second water inlet 12 and a second water outlet 13, the first water outlet 8 provides water flow water pressure for the driving cavity 11 through the second water inlet 12, namely, the first water outlet 8 is communicated with the second water inlet 12, the second water outlet 13 is communicated with the water inlet channels, a water distribution disc 14 is arranged between the water inlet channels and each water outlet channel, namely, water in the water inlet channels passes through the water distribution disc 14 and then enters into one of the water outlet channels, the water distribution disc 14 can axially rotate, and the water inlet channels are switched to be communicated with different water outlet channels, so that switching of different water outlet modes is realized.

The second piston 15 and the second elastic member 16 are arranged in the driving cavity 11, the second piston 15 can reciprocate between a third position and a fourth position, the second elastic member 16 is used for providing elastic force for the second piston 15, so that the second piston 15 is kept at the third position when the water flow pressure in the driving cavity 11 is zero, the second piston 15 moves from the third position to the fourth position under the action of the water flow pressure when the water flow pressure in the driving cavity 11 is not zero, and the water distribution plate 14 is driven to rotate through the linkage of the second piston 15 and the water distribution plate 14, so that the water channel switching is realized; namely, when the water flow entering the driving cavity 11 through the second water inlet 12 has water pressure, under the action of the water pressure, the second piston 15 overcomes the elastic force of the second elastic piece 16 and is pushed to a fourth position from a third position by the water pressure so as to drive the water distributing disc 14 to rotate; when the water flow entering the driving chamber 11 through the second water inlet 12 has no water pressure, the second elastic member 16 pushes the second piston 15 to move from the fourth position to the third position. Therefore, the water outlet mode can be switched by switching the water pressure of the water output by the valve, so that the water outlet mode of the shower device can be switched more conveniently, and the shower experience is better.

To sum up, the shower device in this embodiment can switch the water outlet mode of shower nozzle through setting up the switching valve on the shower pole, has convenient to use, simple operation, simple structure, low in production cost, long service life and shower experience advantage such as feel well.

In this embodiment, as shown in fig. 5 and 6, a connecting chamber 17 is also formed in the valve body 4.

Specifically, the connecting cavity 17 is provided with a third water inlet 18 and a third water outlet 19, the connecting cavity 17 is communicated with the water inlet cavity 5 through the third water inlet 18, the connecting cavity 17 is communicated with the water outlet cavity 6 through the third water outlet 19, so that water flow can flow into the water inlet cavity 5 through the first water inlet 7, then flow into the connecting cavity 17 through the third water inlet 18, then flow into the water outlet cavity 6 through the third water outlet 19, and finally flow out through the first water outlet 8. The first piston 9 and the first elastic element 10 are arranged in the connecting cavity 17, the first piston 9 can reciprocate in the connecting cavity 17, when the first piston 9 is located at the first position, the third water inlet 18 is communicated with the third water outlet 19, water flow can sequentially pass through the water inlet cavity 5, the connecting cavity 17 and the water outlet cavity 6 and finally flow out through the first water outlet 8, when the first piston 9 is located at the second position, the first piston 9 blocks the third water inlet 18 from being communicated with the third water outlet 19, water in the water inlet cavity 5 cannot enter the water outlet cavity 6 through the connecting cavity 17, and water flow cannot flow out from the first water outlet 8.

As shown in fig. 3 to 6, an opening is formed in the wall of the connecting chamber 17, and the rear end of the first piston 9 passes through the connecting chamber 17 from the opening, thereby facilitating the pressing of the first piston 9.

In addition, as shown in fig. 5 and 6, a first sleeve 20 is fixed at one end, close to the opening, in the connecting cavity 17, a sealing member is arranged between the first sleeve 20 and the cavity wall of the connecting cavity 17 for sealing between the first sleeve 20 and the second sleeve 21 is fixed at one end, far away from the opening, in the connecting cavity 17, a sealing member is also arranged between the second sleeve 21 and the cavity wall of the connecting cavity 17 for sealing between the second sleeve 21, and the rear end and the front end of the first piston 9 respectively pass through the first sleeve 20 and the second sleeve 21; specifically, the rear end of the first piston 9 passes out of the first sleeve 20, the front end of the first piston 9 is located in the second sleeve 21, and the first piston 9 is axially movable with respect to the first sleeve 20 and the second sleeve 21. Through setting up first external member and second external member, can make the first piston more smooth and easy at the intracavity motion of connecting to also can reduce the manufacturing degree of difficulty and the manufacturing cost of valve body. 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 to 5, the opening is covered with a limit cover plate 22, the limit cover plate 22 is provided with a through hole, the rear end of the first piston 9 passes through the through hole, the outer circumference of the first piston 9 is provided with a limit flange 23, the limit flange 23 is positioned in the connecting cavity 17, and the outer diameter of the limit flange 23 is larger than the aperture of the through hole. In this way, the first piston 9 can be restrained from moving excessively and being separated from the connecting chamber 17 when the first piston 9 reciprocates.

In the present embodiment, as shown in fig. 3 to 6, the switching valve 3 further includes a key 24 and a swing lever 25.

Specifically, the swing lever 25 is rotatably connected to the valve body 4, one end of the swing lever 25 abuts against the key 24, and the other end of the swing lever 25 abuts against the rear end of the first piston 9. Thus, when the key is pressed, the pressing force can be transmitted to the first piston through the swinging rod, and the first piston is driven to move. Moreover, the swinging rod can be arc-shaped, and the direction of the pressing force can be changed by arranging the swinging rod, so that the pressing force which is originally parallel to the horizontal direction is changed into the pressing force which is perpendicular to the horizontal direction, and the key is convenient to set.

As shown in fig. 5 and 6, the first elastic member 10 is a spring, the front end of the first piston 9 is provided with a receiving groove, the first elastic member 10 is positioned in the receiving groove, and the first elastic member 10 has a compression preload so that the first elastic member 10 can have a sufficient elastic force, when the first piston 9 is not pressed, the first piston 9 is held at the first position, one end of the first elastic member 10 abuts against the first piston 9, and the other end of the first elastic member 10 abuts against the second sleeve 21, thereby driving the first piston 9 to move from the second position to the first position. Of course, the first elastic member may be an elastic device such as a spring plate.

In addition, as shown in fig. 5 and 6, a first sealing ring 45 is arranged between the first piston 9 and the first sleeve 20, a second sealing ring 46 is arranged between the first piston 9 and the second sleeve 21, sealing between the first piston 9 and the first sleeve 20 is realized by arranging the first sealing ring 45, sealing between the first piston 9 and the second sleeve 21 is realized by arranging the second sealing ring 46, a third sealing ring 47 is sleeved at the middle position of the first piston 9, the third sealing ring 47 is used for blocking communication between the third water inlet 18 and the third water outlet 19, namely, when the first piston 9 is positioned at the second position, the third sealing ring 47 is positioned between the third water inlet 18 and the third water outlet 19 to block communication between the third water inlet 18 and the third water outlet 19, and when the first piston 9 is positioned at the first position, the third sealing ring 47 is positioned below the third water inlet 18 and the third water outlet 19 to block communication between the third water inlet 18 and the third water outlet 19.

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.

And, as shown in fig. 7, a second positioning block 48 is arranged on the outer circumference of the second sleeve member 21, a second positioning groove matched with the second positioning block 48 is arranged on the valve body 4, and when the second sleeve member 21 is assembled in the valve body 4, the second positioning block 48 is just positioned in the second positioning groove, so that the positioning of the second sleeve member 21 and the valve body 4 is realized, and the second sleeve member 21 is prevented from rotating in the valve body 4. The positions of the second positioning block and the second positioning groove can be interchanged.

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

Here, as shown in fig. 3 to 6, the switching valve further includes a water inlet seat 49 and a water inlet joint 50.

Specifically, a water inlet channel 51 is formed in the water inlet seat 49, a water inlet end of the water inlet channel 51 is fixedly connected with the water inlet joint 50, and can be connected with a water inlet pipe of the shower apparatus through the water inlet joint 50, a water outlet end of the water inlet channel 51 is fixedly connected with the first water inlet 7, for example, through a snap connection between the water inlet seat 49 and the valve body 4, so that the water inlet channel 51 is communicated with the first water inlet 7. 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, for example, the water inlet seat is fixedly connected with a shower rod.

In this embodiment, as shown in fig. 11, the second water inlet 12 and the second water outlet 13 are disposed along the direction of the reciprocating motion of the second piston 15, the second water inlet 12 is disposed at a position close to the front end of the second piston 15, the second water outlet 13 is disposed at a position far away from the front end of the second piston 15, so that when the second piston 15 is located at the third position, the sealing structure on the second piston 15 is just located between the second water inlet 12 and the second water outlet 13, and the second water inlet 12 is blocked from communicating with the second water outlet 13, at this time, the nozzle does not discharge water, and the sealing structure may be a sealing ring. When the water flow entering the driving cavity 11 from the second water inlet 12 has water pressure, the water pressure can push the second piston 15 to move, when the second piston 15 is positioned at the fourth position, the second water inlet 12 and the second water outlet 13 are both positioned at the front end of the sealing structure on the second piston 15, the second water inlet 12 is communicated with the second water outlet 13, and at the moment, the spray head discharges water.

As shown in fig. 8 to 13, the head 1 further includes a master drive disk 26 and a slave drive disk 27 coaxially provided, that is, the master drive disk 26 and the slave drive disk 27 are fixed on the same shaft and can be rotated synchronously.

Specifically, the slave drive disk 27 and the master drive disk 26 are sequentially arranged above the water distribution disk 14 from bottom to top, a first bevel gear is arranged on the lower end surface of the slave drive disk 27, a second bevel gear meshed with the first bevel gear is arranged on the upper end surface of the water distribution disk 14, and the master drive disk 26 is in linkage with the second piston 15. In this way, the second piston 15 drives the main driving disc 26 to rotate when reciprocating, the auxiliary driving disc 27 is driven to rotate by the main driving disc 26, and finally the auxiliary driving disc 27 drives the water distributing disc 14 to rotate by the engagement of the first bevel gear and the second bevel gear. Since the slave driving disk 27 and the water diversion disk 14 are connected through the bevel gear, the slave driving disk 27 can only drive the water diversion disk 14 to rotate along one direction, so that the second piston 15 can drive the water diversion disk 14 to rotate along the preset direction through the master driving disk 26 and the slave driving disk 27 in sequence.

In addition, as shown in fig. 8 to 11, a driving rod 28 is fixed to the rear end of the second piston 15, and the driving rod 28 extends to one side of the main driving disk 26; the driving rod and the second piston can be in an integrated structure, or the driving rod and the second piston are fixedly connected in a connecting mode such as screw connection, clamping connection or bonding connection. The driving rod 28 is provided with a driving groove 29, the outer circumference of the main driving disk 26 is provided with a driving protrusion 30 matched with the driving groove 29, when the second piston 15 reciprocates, the driving rod 28 is driven to reciprocate, and the driving rod 28 drives the main driving disk 26 to rotate through the matching of the driving groove 29 and the driving protrusion 30. Of course, in other embodiments, the positions of the drive recess and drive projection may be interchanged.

In this embodiment, as shown in fig. 8 to 13, the spray head further includes a fixing seat 31.

Specifically, the water dividing tray 14 and the slave driving tray 27 are disposed at the lower side of the fixing base 31, the master driving tray 26 is disposed at the upper side of the fixing base 31, and a connection shaft between the master driving tray 26 and the slave driving tray 27 passes through the fixing base 31. The outer circumference of the main driving disk 26 is provided with a first limit lug 32, the upper side of the fixed seat 31 is provided with a second limit lug 33 and a third limit lug 34 which are arranged at intervals, the first limit lug 32 is positioned between the second limit lug 33 and the third limit lug 34, and the first limit lug 32 can only move between the second limit lug 33 and the third limit lug 34, so that the main driving disk 26 can only rotate within a certain range, and the main driving disk 26 is prevented from driving the water distribution disk 14 to excessively rotate.

In addition, as shown in fig. 13, a circumferential protrusion 35 is provided on the lower end surface of the main driving disk 26, a circumferential groove 36 matched with the circumferential protrusion 35 is provided on the upper side surface of the fixing seat 31, and the limit of the main driving disk 26 can be realized by matching the circumferential protrusion 35 and the circumferential groove 36, so that the main driving disk 26 can only axially rotate relative to the fixing seat 31, and the rotation stability of the main driving disk 26 is ensured. Wherein the positions of the circumferential projection and the circumferential groove may be interchanged. Of course, in other embodiments, the circumferential protrusion and the circumferential groove may be provided on the upper end surface of the driving disk and the lower side surface of the fixing base, which is also within the scope of the present invention.

Further, as shown in fig. 8 to 10, the fixing seat 31 is provided with a limiting frame 37, the limiting frame 37 is respectively abutted against the upper side of the driving rod 28 and the side, far away from the driving groove 29, of the driving rod 28, so that the driving rod 28 can only move along the direction of the reciprocating motion of the second piston 15, the upper side surface of the driving rod 28 is provided with a protruding rib 38 arranged along the direction of the reciprocating motion of the second piston 15, and the driving rod 28 is contacted with the limiting frame 37 through the protruding rib 38, so that the acting area of the driving rod 28 and the limiting frame 37 can be reduced, and the friction force between the driving rod 28 and the limiting frame 37 can be further reduced.

In this embodiment, as shown in fig. 8, 9 and 11, the second elastic member 16 is a spring, a spring cover 39 is fixed on the cavity of the driving cavity 11, a receiving groove is formed at the rear end of the second piston 15, the second elastic member 16 is located in the receiving groove, one end of the second elastic member 16 abuts against the second piston 15, the other end of the second elastic member 16 abuts against the spring cover 39, and the second elastic member 16 has a compression pre-tightening force, so that it has enough elastic force to enable the second piston 15 to be located in the third position when the water flow has no water pressure. Of course, the second elastic member may be an elastic device such as a spring plate.

As shown in fig. 11, a guide groove 40 is provided in the drive chamber 11, the guide groove 40 is located at the front end position of the second piston 15, so that the front end of the second piston 15 is located in the guide groove 40 regardless of whether the second piston 15 is located at the third position or the fourth position, and the guide groove 40 is used for guiding the reciprocating movement of the second piston 15.

Further, as shown in fig. 12, the spray head further comprises a spherical joint 41, a threaded sleeve 42 and a connecting seat 43, a connecting water channel 44 is formed in the spherical joint 41, a spherical cavity is formed in the connecting seat 43, the spherical joint 41 is positioned in the spherical cavity and can rotate in the spherical cavity, and steering adjustment of the spray head can be realized by adjusting the angle of the spherical joint 41 in the spherical cavity; when the spherical joint 41 is positioned in the spherical cavity, the water outlet end of the connecting water channel 44 is communicated with the second water inlet 12, the water inlet end of the connecting water channel 44 is communicated with the first water outlet, the threaded sleeve 42 is sleeved on the connecting seat 43 through a threaded structure, and when the angle position of the spherical joint 41 relative to the spherical cavity is adjusted, the threaded sleeve 42 is screwed on the connecting seat 43, so that the relative fixation of the spherical joint 41 and the connecting seat 43 is realized.

In addition, as shown in fig. 1, the switching valve 3 is arranged at the bottom of the shower rod 2, so that a user can conveniently control the spray head 1 through the switching valve 3, remote switching of the water outlet mode of the spray head 1 is realized, the operation is more convenient, and the first water outlet 8 and the second water inlet 12 can be communicated through a connecting pipe. Of course, in other embodiments, the switch valve may be located in a central position of the shower wand.

The foregoing is merely a specific embodiment of the invention 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 invention more fully, and that the scope of the invention is defined by the appended claims.

Claims (10)

1. The shower equipment is characterized by comprising a shower nozzle (1), a shower rod (2) and a switching valve (3), wherein the shower nozzle (1) is arranged on the shower rod (2), and the switching valve (3) is connected with the water inlet end of the shower nozzle (1);

the switching valve (3) comprises a valve body (4), a water inlet cavity (5) and a water outlet cavity (6) are formed in the valve body (4), the water inlet cavity (5) is used for water inlet through a first water inlet (7), and the water outlet cavity (6) is used for water outlet through a first water outlet (8);

a first piston (9) and a first elastic piece (10) are arranged in the valve body (4), the first piston (9) can reciprocate between a first position and a second position, the first elastic piece (10) is used for providing elastic force for the first piston (9) which is kept at the first position, so that the water inlet cavity (5) is communicated with the water outlet cavity (6), the water pressure of water flowing out of the first water outlet (8) is not zero, and when the first piston (9) is pressed, the first piston (9) moves from the first position to the second position, the water inlet cavity (5) is blocked from being communicated with the water outlet cavity (6), and the water pressure of water flowing out of the first water outlet (8) is zero;

the spray head (1) comprises a driving cavity (11), a water inlet channel and at least two water outlet channels, the driving cavity (11) is provided with a second water inlet (12) and a second water outlet (13), the first water outlet (8) provides water flow water pressure for the inside of the driving cavity (11) through the second water inlet (12), the second water outlet (13) is communicated with the water inlet channels, a water distribution disc (14) is arranged between each water inlet channel and each water outlet channel, and the water distribution disc (14) can axially rotate and is switched to be communicated with different water outlet channels;

be equipped with second piston (15) and second elastic component (16) in driving chamber (11), second piston (15) can carry out reciprocating motion between third position and fourth position, second elastic component (16) are used for second piston (15) provide elasticity, make second piston (15) keep in third position when the rivers water pressure in driving chamber (11) is zero, the rivers water pressure in driving chamber (11) is not zero, second piston (15) are under the effect of rivers water pressure by third position motion to fourth position, drive shunt dish (14) rotate, realize the water course switch.

2. A shower device according to claim 1, wherein the valve body (4) is further formed with a connecting chamber (17);

the connecting cavity (17) is provided with a third water inlet (18) and a third water outlet (19), the connecting cavity (17) is communicated with the water inlet cavity (5) through the third water inlet (18), the connecting cavity (17) is communicated with the water outlet cavity (6) through the third water outlet (19), the first piston (9) and the first elastic piece (10) are arranged in the connecting cavity (17), the first piston (9) can reciprocate in the connecting cavity (17), the third water inlet (18) is communicated with the third water outlet (19) when the first piston (9) is located at the first position, and the first piston (9) blocks the third water inlet (18) from being communicated with the third water outlet (19) when the first piston (9) is located at the second position.

3. A shower device according to claim 2, wherein the connecting chamber (17) has an opening in a chamber wall thereof, the rear end of the first piston (9) passing from the opening out of the connecting chamber (17);

a first sleeve member (20) is fixed at one end, close to the opening, in the connecting cavity (17), a second sleeve member (21) is fixed at one end, far away from the opening, in the connecting cavity (17), and the first piston (9) penetrates through the first sleeve member (20) and the second sleeve member (21) and can axially move relative to the first sleeve member (20) and the second sleeve member (21).

4. A shower apparatus according to claim 3, wherein the opening is covered with a limit cover plate (22), the limit cover plate (22) is provided with a through hole, the rear end of the first piston (9) passes through the through hole, a limit flange (23) is arranged on the outer circumference of the first piston (9), the limit flange (23) is positioned in the connecting cavity (17), and the outer diameter of the limit flange (23) is larger than the aperture of the through hole.

5. A shower device according to claim 3, wherein a first sealing ring (45) is arranged between the first piston (9) and the first sleeve member (20), a second sealing ring (46) is arranged between the first piston (9) and the second sleeve member (20), a third sealing ring (47) is sleeved at the middle position of the first piston (9), and the third sealing ring (47) is used for blocking the third water inlet (18) from being communicated with the third water outlet (19).

6. The shower device according to claim 1, wherein the second water inlet (12) and the second water outlet (13) are arranged in a direction of the second piston (15) for reciprocating movement such that the second piston (15) blocks the second water inlet (12) from communicating with the second water outlet (13) when in the third position and the second water inlet (12) communicates with the second water outlet (13) when the second piston (15) is in the fourth position.

7. A shower device according to claim 1, wherein the spray head (1) further comprises a master drive disc (26) and a slave drive disc (27) coaxially arranged;

the secondary driving disc (27) and the primary driving disc (26) are sequentially arranged above the water diversion disc (14) from bottom to top, a first bevel gear is arranged on the lower end face of the secondary driving disc (27), a second bevel gear meshed with the first bevel gear is arranged on the upper end face of the water diversion disc (14), and the primary driving disc (26) and the second piston (15) are linked, so that the second piston (15) can sequentially pass through the primary driving disc (26) and the secondary driving disc (27) to drive the water diversion disc (14) to rotate along a preset direction.

8. A shower device according to claim 7, wherein a drive rod (28) is fixed to the rear end of the second piston (15), the drive rod (28) extending to one side of the main drive disc (26), the drive rod (28) being provided with a drive recess (29) or drive protrusion, and the main drive disc (26) being provided on its outer circumference with a drive protrusion (30) or drive recess co-operating with the drive recess (29) or drive protrusion.

9. The shower device according to claim 7, wherein the spray head (1) further comprises a fixed seat (31);

the utility model discloses a water diversion disk, including fixing base (31) and main drive disk (26), water diversion disk (14) with from drive disk (27) setting is in the downside of fixing base (31), main drive disk (26) set up the upside of fixing base (31), be equipped with first spacing lug (32) on the outer circumference of main drive disk (26), be equipped with spacing second spacing lug (33) and third spacing lug (34) that set up on the upside of fixing base (31), first spacing lug (32) are located between second spacing lug (33) and third spacing lug (34).

10. The shower device according to any one of claims 1 to 9, wherein the switching valve (3) is arranged in a middle or bottom position of the shower bar (2), and the first water outlet (8) and the second water inlet (12) are communicated through a connecting pipe.