WO2012142903A1

WO2012142903A1 - Shower head

Info

Publication number: WO2012142903A1
Application number: PCT/CN2012/073244
Authority: WO
Inventors: 李东
Original assignee: 深圳市通跃达工贸有限公司
Priority date: 2011-04-22
Filing date: 2012-03-29
Publication date: 2012-10-26
Also published as: CN102179324A

Abstract

A shower head comprises a water-saving device (2) disposed at a water inlet side of a nozzle (1). The water-saving device (2) is rotatably connected to the nozzle (1), and a rotation center line thereof is an axial center line of the water-saving device (2). The water-saving device (2) is provided with at least two guiding holes (211) of different sizes, and water enters the nozzle (1) through the guiding holes (211). Since the sizes of the guiding holes are different, the water flow of the nozzle varies when different guiding holes are in communication with the nozzle, so as to provide users with different water flow modes, thereby meeting different use requirements. The adjustment manner is flexible and convenient, which not only avoids a waste of water, but also prevents the water heater from being turned off, thereby maintaining a constant water temperature, and improving comfort of the user having a shower.

Description

A showerhead This application claims priority to Chinese Patent Application No. 2011-10102773.7, the entire disclosure of which is hereby incorporated by reference in its entirety in its entirety in the the the the the the the the Technical field

The invention relates to the field of daily necessities, and in particular to a shower.

Background technique

With the continuous improvement of social civilization, environmental protection has become a social development trend. Water conservation is a kind of environmental protection and has become a trend in today's society.

Many environmentalists have found that a lot of water is wasted during the shower. Especially in the process of washing the hair, showering, bathing, the user either keeps the original water flow and wastes a lot of water; either the water needs to be broken by the on-off valve, and the water is turned back on when it needs water. For gas water heaters, switching the water will cause the water heater to start and stop. After re-use, it will cause the water temperature to change, which is inconvenient for the user.

Therefore, how to ensure water conservation on the basis of ensuring the user's comfort during the shower is a technical problem that a person skilled in the art needs to solve at present.

Summary of the invention

The object of the present invention is to provide a shower which can effectively improve the comfort of the user and can effectively save water and meet the social environmental protection needs.

In order to achieve the above object, the present invention provides a shower, comprising a water saving device disposed on a water inlet side of the spray head, the water saving device being rotatably coupled to the spray head, and a rotation center line thereof being an axis of the water saving device To the center line; the water saving device has at least two different sizes of flow guiding holes through which water enters the spray head.

Preferably, the top end of the handle of the shower is provided with a first water guiding member, and the end of the nozzle is provided with a second water guiding member; the water saving device is connected to the first water guiding member and the second guiding Middle of the water component. Preferably, the first water guiding member and the second water guiding member are fixedly connected by bolts; the water saving device includes an adjusting member that is provided with the guiding hole, and the adjusting member further has a bolt for passing the bolt Connecting holes, and the size of the connecting holes is larger than a circumferential dimension of the bolt.

Preferably, the water saving device further includes a first gasket and a second gasket disposed on the water inlet side and the water outlet side of the regulating member, respectively.

Preferably, the second water guiding member has a plurality of water guiding channels, and the water outlets of each of the water guiding channels are in communication with the water inlet of the nozzle.

Preferably, the number of the flow guiding holes is four, and the sectional area of each of the flow guiding holes is sequentially decreased in a predetermined ratio, and the center thereof is evenly distributed along the circumferential direction of the water saving device.

Preferably, further comprising an elastic positioning member mounted on the first water guiding member or the second water guiding member, the adjusting member having a radially extending groove that cooperates with the elastic positioning member.

Preferably, the elastic positioning member includes a spring and a positioning piece that is engaged with the spring, and the positioning piece cooperates with the groove.

Preferably, the top of the first water guiding member is provided with a semi-circular sinking groove, and the sinking groove is provided with a rubber plug; the rubber plug has a downwardly facing pressure receiving groove; the first water guiding member Corresponding to the water-passing holes on the rubber plug, respectively, and located in the middle of the sinking groove and the ₇ | groove.

Preferably, the number of the flow guiding holes is three, and the cross-sectional area of each of the flow guiding holes is sequentially decreased in a predetermined ratio; the contact surface of the water saving device is equally divided into four regions, each of which is The orifices are located in three of the zones, and the other zone is the sealing contact surface that blocks the flow of water.

Preferably, the bottom edge of the rubber stopper extends outward.

Preferably, the top of the rubber stopper is provided with a concave portion in the non-water-passing hole region.

Preferably, the water saving device further includes a first outer ring sealing jaw provided on the water inlet side of the regulating member, and a second outer ring sealing jaw and an inner ring sealing jaw provided on the water outlet side of the regulating member.

Preferably, the first outer ring seal, the second outer ring seal and the inner ring seal are both type "0" seals and are respectively embedded in the seal grooves of the mounting portion thereof.

The shower provided by the present invention comprises a water saving device disposed on the water inlet side of the spray head, the water saving device being rotatably connected with the spray head, and a rotation center line thereof is an axial center line of the water saving device; The water saving device has at least two different sizes of flow guiding holes through which water enters the shower head. During the shower, the user turns the water-saving device to connect the different diversion holes of the water-saving device to the nozzle. Due to the different sizes of the diversion holes, the different diversion holes communicate with the nozzle to make the nozzle effluent The quantity changes, providing users with different water volume modes to meet different usage needs. When the shampoo, hatchback, etc. require less water or even no water, the rotating water-saving device connects the smallest diversion hole with the nozzle to adjust the water volume to a minimum. The adjustment method is flexible and convenient, which can avoid waste. More water can avoid turning off the water heater, keeping the water temperature constant and improving the comfort of the shower.

In a preferred embodiment, the first water guiding member and the second water guiding portion are fixedly connected by bolts, and the water saving device includes an adjusting member that is provided with the guiding hole, and the adjusting member has a a connecting hole through which the bolt passes, and the size of the connecting hole is larger than a circumferential dimension of the bolt. When the water saving device rotates, the first water guiding member, the second water guiding member and the bolt are relatively static, and the different guiding holes of the adjusting member communicate with the first water guiding member and the second water guiding member to realize water volume adjustment. A first water guiding member and a second water guiding member are added at a joint between the nozzle and the handle, and the first water guiding member and the second water guiding member are fixedly connected together by a bolt, and the adjusting member rotates with the bolt as a central axis. The structure is simple and easy to implement, which can effectively reduce the difficulty of the water saving device and reduce the manufacturing cost of the water-saving shower.

In another preferred embodiment, the shower provided by the present invention further includes an elastic positioning member mounted on the first water guiding member or the second water guiding member, the adjusting member having the A radially extending slot that cooperates with the resilient positioning member. When the water flow needs to be adjusted, the adjusting member is rotated, the radially extending groove rotates with the adjusting member, and the elastic positioning member is in a compressed state. When the proper angle is rotated, the elastic positioning member corresponds to the position of the groove, and the elastic positioning member is reset, and the groove is inserted into the groove. The relative position between the adjusting member and the first water guiding member or the second water guiding member is also fixed, and the relative position of the water saving device to the head and the handle is also determined. The elastic positioning member can make the rotation angle of the water saving device determined according to the position of the groove, so that the adjustment water amount is more convenient and reliable.

DRAWINGS

Figure 1 is a cross-sectional view showing a specific embodiment of a shower provided by the present invention;

Figure 2 is an exploded perspective view of the shower of Figure 1;

Figure 3 is an exploded view of another angle of the shower of Figure 1;

4 is a schematic structural view of a first embodiment of a first water guiding member according to the present invention; FIG. 5 is a schematic structural view of a second embodiment of a second water guiding member provided by the present invention; Figure 6 is a schematic structural view of a specific embodiment of the adjusting member provided by the present invention; Figure 7 is a cross-sectional view showing another embodiment of the shower provided by the present invention;

Figure 8 is a partial enlarged view of the portion A of Figure 7;

Figure 9 is a schematic axial exploded view of the shower shown in Figure 7;

Figure 10 is an exploded view of the shower shown in Figure 7;

Figure 11 is a plan view of the rubber stopper shown in Figure 10.

detailed description

The core of the invention is to provide a shower which can effectively improve the user's comfort, and can effectively save water and meet the social environmental protection needs.

The axial direction involved in this paper is defined by the direction of water flow; the top, end and other orientation words described in this paper are also defined by the flow of water from bottom to top as a reference, assuming that the shower is set in the same way as the user. In the high or higher position, water enters the shower from the bottom and is ejected from the top. It should be understood that the orientation words used herein should not limit the scope of protection of this patent.

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

1 to FIG. 3, FIG. 1 is a cross-sectional view showing a specific embodiment of a shower provided by the present invention; FIG. 2 is an exploded view of the angle of the shower shown in FIG. 1. FIG. Spilled view of another angle of explosion.

The shower provided by the present invention comprises a water saving device 2 disposed on the water inlet side of the spray head 1, the water saving device 2 is rotatably connected with the spray head 1, and the rotation center line is the axial center line of the water saving device 2; The water saving device 2 has at least two different sizes of flow guiding holes 211 through which water enters the shower head 1. During the shower, the user rotates the water saving device 2 to connect the different flow guiding holes 211 of the water saving device 2 with the nozzle 1. Since the size of the guiding holes 211 is different, the different guiding holes 211 communicate with the nozzle 1 to cause the nozzle The amount of water discharged by 1 changes, providing users with different water volume modes to meet different needs of use. When applying shampoo, shower gel, etc., requiring less water or even no need of water, the rotating water-saving device 2 connects the minimum diversion hole 211 with the nozzle 1 to adjust the water amount to a minimum, and the adjustment mode is flexible and convenient. It can avoid wasting more water, and can avoid turning off the water heater, keeping the water temperature constant and improving the comfort of the shower. Referring to FIG. 4 and FIG. 5, FIG. 4 is a schematic structural view of a first embodiment of a first water guiding component according to the present invention; FIG. 5 is a schematic structural view of a second embodiment of a second water guiding component according to the present invention.

In a specific embodiment, the top of the handle 3 of the shower is provided with a first water guiding member 11, and the end of the nozzle 1 is provided with a second water guiding member 31; the water saving device 2 is connected to the first water guiding member 11 and In the middle of the second water guiding member 31, the water saving device 2 is disposed between the handle 3 and the head 1, and is connected to the second water guiding member 31 via the first water guiding member 11. The first water guiding member 11 may have a water passing hole 111 corresponding to a position of a flow guiding hole 211 of the water saving device 2, so that water flowing in the handle 3 enters the water saving only through the water passing hole 111. In device 2, it then enters nozzle 1. The second water guiding member 31 may have a plurality of water guiding holes 311, and the water outlets of the water guiding holes 311 are connected to the water inlet of the nozzle 1. The water flows through the water guiding holes 311 into the nozzle 1, so that the water pressure entering the nozzle 1 is lowered, the water flow is more uniform, and the impact force when the water is discharged is small, thereby further improving the user's comfort.

Obviously, the water-saving device 2 provided by the present invention can be disposed between the nozzle 1 and the handle 3, and can be disposed at other positions on the water inlet side of the nozzle 1, as long as the two ends of the water-saving device 2 can be fixedly connected with the water inlet pipe. The water-saving device 2 can be rotated, and the different flow guiding holes 211 are communicated with the shower head 1, so that the object of the present invention can be achieved and the requirements of the present invention can be met, and should be within the scope of the present invention.

For example, if the structure from the outlet of the water heater to the nozzle 1 is divided into four parts, specifically: flexible hose section, rigid handle section, water saving device 2 and nozzle 1, the water saving device 2 can be installed in the flexible hose section In the middle, it can be installed between the flexible hose section and the rigid handle 3 section, or can be installed between the handle 3 and the nozzle 1, so that the requirements of the present invention can be satisfied.

However, since both the head 1 and the handle 3 have appropriate hardness, it is easier to provide the first water guiding member 11 and the second water guiding member 31 at the ends thereof, so that the difficulty in connecting the water saving device 2 can be reduced, and the flower can be reduced. The processing cost of sprinkling; while the hardness of the flexible hose section is small, it is difficult to provide a water guiding member at the end thereof, and it is difficult to achieve sealing performance. Therefore, placing the water saving device 2 between the head 1 and the handle 3 is advantageous for improving the reliability of the shower and reducing the cost of the shower.

At the same time, the water-saving device 2 is installed between the nozzle 1 and the handle 3 to make the user more convenient in adjusting the flow rate, especially when the user takes the shower in the hand, the water-saving device 2 can be rotated in the hand, which is more convenient. Comfortable. In a preferred embodiment, the first water guiding member 11 and the second water guiding member 31 are fixedly connected by bolts 4, and the water saving device 2 includes an adjusting member 21 provided with a flow guiding hole 211, the adjusting member 21 having a bolt 4 through the connection hole, and the size of the connection hole is larger than the circumferential dimension of the bolt 4. When the water saving device 2 rotates, the first water guiding member 11, the second water guiding member 31 and the bolt 4 are relatively stationary, and the different guiding holes 211 of the adjusting member 21 and the first water guiding member 11 and the second water guiding member 31 are Connected to achieve water volume adjustment. A first water guiding member 11 and a second water guiding member 31 are added at a joint of the head 1 and the handle 3, and the first water guiding member 11 and the second water guiding member 31 are fixedly connected together by a bolt 4, and the adjusting member is fixed. 21 rotates with the bolt 4 as a central axis. The structure is simple and easy to implement, and the difficulty of the water saving device 2 can be effectively reduced, and the processing cost of the water saving type shower can be further reduced.

Obviously, the first water guiding member 11 and the second water guiding member 31 can also be connected by other structures capable of fixing the two together.

Further, the water saving device 2 may further include a first gasket 22 and a second gasket 23 which are provided on the water inlet side and the water outlet side of the regulating member 21, respectively. Both the first gasket 22 and the second gasket 23 can be adapted to the structure of the adjusting member 21. For example, the adjusting member 21 has a fitting groove, and the sealing gasket is provided with a projection, and the adjusting member 21 is provided with a projection. Then, the sealing hole is provided with a matching hole, so that the first sealing gasket 22 and the second sealing gasket 23 can improve the reliability of the structure by self-adaptation, reduce the usage amount of the fixing component, and improve the water saving device 2 and the a water guiding component

11 and the sealing property of the second water guiding member 31.

Please refer to FIG. 6, FIG. 6 is a schematic structural view of a specific embodiment of the adjusting member provided by the present invention.

In a specific embodiment, the number of the air guiding holes 211 on the adjusting member 21 may be four, and the cross-sectional area of each of the guiding holes 211 is sequentially decreased in a predetermined ratio, and the center thereof is along the circumference of the water saving device 2. Uniform distribution. That is, a guide hole 211 is provided every 90 degrees around the bolt 4, so that the flow rate adjustment can be realized every time the water-saving device 2 is rotated by 90.

For example: the cross-sectional area of the four diversion holes 211 divides the water volume into four gears, and the ratio of the first gear to the fourth gear is 1:0.75:0.5:0.25, then the rotating water saving device 2 can make the nozzle 1 The traffic changes accordingly. Select the second gear during normal use, use the fourth gear when applying shampoo or shower gel; When using the peak period, because the water pressure is relatively low, you can choose the first gear in the shower, when applying shampoo or shower gel Use the fourth gear..., so that the user’s water consumption can be It is greatly reduced, and it is not necessary to switch the water heater frequently, which ensures a relatively constant water temperature and improves user comfort.

Obviously, the number of the guiding holes 211 can be set to two, three or other numbers as needed, and the number of the guiding holes 211 is different, and the mode of adjustment is different, and the designer can design various types according to the adjustment requirements of the user. Different showers. These showers should be within the scope of the present invention.

In addition, taking the above-mentioned four-speed water volume as an example, the H殳 initial gear is the first gear, and two to four gears can be sequentially arranged in the forward direction, so that when the water-saving device 2 is rotated, the water flow can be sequentially reduced in time. , you can also rotate directly counterclockwise to the minimum flow of the fourth gear. Or the clockwise side and the counterclockwise side of the first gear are the second gear and the third gear, respectively, and the specific setting of the air guiding hole 211 can also be designed according to requirements.

In a further technical solution, the shower provided by the present invention further comprises an elastic positioning member 5 mounted on the first water guiding member 11 or the second water guiding member 31, and the adjusting member 21 has a diameter matching with the elastic positioning member 5. To the extension slot. When it is necessary to adjust the water flow rate, the adjusting member 21 is rotated, the radially extending groove rotates with the adjusting member 21, and the elastic positioning member 5 is in a compressed state. After rotating at an appropriate angle, the elastic positioning member 5 corresponds to the position of the groove, and the elastic positioning member 5 The relative position between the water-saving device 2 and the head 1 and the handle 3 is also determined by resetting, snapping into the groove, and simultaneously fixing the relative position between the regulating member 21 and the first water guiding member 11 or the second water guiding member 31. The elastic positioning member 5 can make the rotation angle of the water saving device 2 determined according to the position of the groove, so that the adjustment water amount is more convenient and reliable.

Specifically, the above-described elastic positioning member 5 may include a spring 51 and a positioning piece 52 that is engaged with the spring 51, and the positioning piece 52 is engaged with the groove. When the water saving device 2 rotates, the first water guiding member 11 or the second water guiding member 31 acts on the positioning piece 52, and the positioning piece 52 pushes the spring 51 in a compressed state; when the position of the spring 51 corresponds to the position of the groove, The spring 51 is reset, pushing the positioning piece 52 into the groove.

In contrast to the above technical solution, the elastic positioning member 5 may be disposed on the first water guiding member 11 or the second water guiding member 31, and at the same time, a groove is provided on the regulating member 21 of the water saving device 2, such a structure and phase The technical solutions are basically the same, and can achieve the object of the present invention and should also be within the scope of the present invention.

Further, a prismatic structure may be provided on the outer circumference of the adjustment member 21 to cause the adjustment member 21 The outer surface is not a smooth surface, which improves the flexibility and convenience of the adjustment of the rotating parts, making flow adjustment more convenient.

Please refer to FIG. 7 to FIG. 11. FIG. 7 is a cross-sectional view showing another embodiment of the shower provided by the present invention; FIG. 8 is a partially enlarged view of the portion A of FIG. 7; Fig. 10 is an exploded view of the shower shown in Fig. 7; Fig. 11 is a plan view of the rubber stopper shown in Fig. 10.

In another specific embodiment, the top of the first water guiding member 11 is provided with a semi-circular sinking groove 60. The sinking groove 60 is embedded with a rubber plug 61 having a shape matching with the rubber plug 61. a uniform and downwardly open 7|pressure groove, that is, the rubber stopper 61 has a hollow structure, has a closed side wall and a top, and the opening is downwardly buckled in the sinking groove 60; the eccentric water-passing hole 111 and the water-passing hole The 611 corresponds to the upper and lower sides, and is located at an intermediate position between the sinking groove 60 and the rubber stopper 61, respectively.

The number of the flow guiding holes 211 on the adjusting member 21 is three, and the sectional area of each of the guiding holes 211 is sequentially decreased in a predetermined ratio; the contact surface of the adjusting member 21 is equally divided into four areas, and the respective guiding holes 211 are respectively Located in three of these locations, the other location is the sealed contact surface that blocks the flow of water.

The water inlet side of the adjusting member 21 is provided with a first outer ring sealing jaw 71, and the water outlet side of the adjusting member 21 is provided with a second outer ring sealing jaw 72 and an inner ring sealing jaw 73, a first outer ring sealing jaw 71, a second outer Both the ring seal 圏 72 and the inner ring seal 圏 73 are both "0" type seal 圏 and are respectively embedded in the seal grooves of the mounting portion thereof, and the rest of the structure is substantially the same as that of the above embodiment, and will not be repeated.

The rubber stopper 61 is provided with a pressure receiving groove, the bottom edge of which extends outward, and the outer surface of the upper half has a ring-shaped annular protrusion. Under the action of water pressure, the side wall of the rubber stopper 61 can be closely attached to the inner wall of the sinking groove, resulting in The water flow is elasticized and blocked, and the top of the rubber stopper can be closely attached to the regulating member 21 to block the flow of water. When the water outlet hole is made small when the gear is adjusted, the pressure in the rubber stopper 61 is increased, and the upward force of the rubber stopper 61 is simultaneously increased. When the contact surface at the top of the rubber stopper 61 has no water outlet hole, the internal pressure of the rubber stopper 61 reaches a maximum value, and the water flow is substantially blocked to form a temporary water shutoff function, and the semicircular design of the hole rubber stopper 61 can uniformly distribute the water pressure. Avoid excessive pressure on the local (unilateral).

Compared with the sealing sheet, the "0" type sealing jaw can reduce friction and ensure the rotation of the adjusting member more flexibly under the premise of ensuring the sealing performance, thereby improving the durability.

In addition, the top of the rubber stopper 61 is provided with a concave portion 612 in the non-water-passing hole region, and the concave portion 612 is provided to reduce the contact area between the rubber stopper 61 and the adjusting member 21, and after the partial surface contact is changed into a line contact, the further The friction is reduced, thereby increasing the rotational flexibility of the adjustment member 21. The above description of a shower provided by the present invention is described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, and the description of the above embodiments is only to assist in understanding the method of the present invention and its core idea. It should be noted that those skilled in the art can make various modifications and changes to the present invention without departing from the spirit and scope of the invention.

Claims

Rights request

What is claimed is: 1. A showerhead comprising: a water saving device disposed on a water inlet side of a spray head, the water saving device being rotatably coupled to the spray head, and a center line of rotation of which is an axial centerline of the water saving device The water saving device has at least two different sizes of flow guiding holes through which water enters the spray head.

The shower head according to claim 1, wherein a top end of the handle of the shower is provided with a first water guiding member, and a tip end of the nozzle is provided with a second water guiding member; The first water guiding member and the second water guiding member are intermediate.

The shower head according to claim 2, wherein the first water guiding member and the second water guiding member are fixedly connected by bolts; the water saving device includes an adjustment for setting the guiding hole And a regulating hole that has a connecting hole through which the bolt passes, and the connecting hole has a size larger than a circumferential dimension of the bolt.

The shower head according to claim 3, wherein the water saving device further comprises a first gasket and a second gasket which are respectively disposed on the water inlet side and the water outlet side of the regulating member.

The shower head according to claim 3, wherein the second water guiding member has a plurality of water guiding grooves, and the water outlets of each of the water guiding grooves are in communication with the water inlet of the nozzle.

The shower head according to any one of claims 3 to 5, wherein the number of the flow guiding holes is four, and the cross-sectional area of each of the flow guiding holes is sequentially decreased in a predetermined ratio, and The center is uniformly distributed along the circumferential direction of the water saving device.

The shower head according to any one of claims 3 to 5, further comprising an elastic positioning member mounted on the first water guiding member or the second water guiding member, the adjusting member There is a radially extending groove that cooperates with the resilient positioning member.

The shower head according to claim 7, wherein the elastic positioning member comprises a spring and a positioning piece that is engaged with the spring, the positioning piece being engaged with the groove.

The shower head according to any one of claims 2, 3 or 5, wherein the top of the first water guiding member is provided with a semi-circular sinking groove, and the sinking groove is provided with a rubber plug; The rubber plug has a downwardly-shaped 7|pressure groove; the first water-conducting member and the water-passing hole on the rubber plug correspond to each other, and are respectively located at an intermediate position between the sinking groove and the _7- pressure groove.

10. The shower head according to claim 9, wherein the number of the flow guiding holes is The cross-sectional area of each of the flow guiding holes is sequentially decreased in a predetermined ratio; the contact surface of the water-saving device is equally divided into four areas, and each of the guiding holes is respectively located in three of the positions, and One location is the sealing contact surface that blocks the flow of water.

11. A showerhead according to claim 9, wherein the bottom edge of the rubber plug extends outwardly.

The shower head according to any one of claims 9 to 11, characterized in that the top of the rubber stopper is provided with a concave portion in the non-water-passing hole region.

The shower according to any one of claims 9 to 11, wherein the water saving device further comprises a first outer ring sealing jaw provided on the water inlet side of the adjusting member, and is disposed on the water outlet side of the adjusting member The second outer ring seals the inner and outer ring seals.

The shower head according to claim 13, wherein the first outer ring seal 圏, the second outer ring seal 圏 and the inner ring seal 圏 are both "0" type seals, and are respectively embedded in the mounting. The sealing groove of the part.