TWM569136U - Water spray valve set - Google Patents

Abstract

A water spray valve group is installed inside a first-class channel of a water jet head body, and corresponds to a nozzle, the water spray valve group includes a positioning liner, a guiding member, a valve plug and an elastic member, and the positioning liner is installed Inside the flow channel and inside the nozzle, the guiding member is mounted in an inner hole of the positioning liner, and includes a circumferential surface, an end surface, a concave hole recessed by the end surface, and a plurality of concave holes a water guide connected to the inner hole, the valve plug corresponding to the flow channel and installed in the inner hole of the positioning liner, the elastic member is elastically between the guiding member and the valve plug, and the elastic force thereof is constant The valve plug tends to keep the flow path closed while at the same time making the end face abut against the nozzle. With the setting of the water spray valve group, the operation of the water spray can be made smoother.

Description

Water spray valve group

The present invention relates to a spray head, and more particularly to a spray valve set installed inside the spray head.

There is a water jet head (Taiwan Certificate No. M556473) comprising a body, a pneumatic device mounted inside the body, a plate machine portion, a nozzle and a suction tube. When the trigger portion is pressed, the sucking action generated by the air pressure device can cause the extraction tube to extract the liquid in a container and eject it from the nozzle to achieve the purpose of use.

And the nozzle body for mounting the nozzle is provided with a water spray valve for changing the volume and increasing the liquid discharge pressure to produce a better atomization effect. The general water spray valve has a column shape, but the water spray valve is subjected to a liquid. The push is easily swayed, causing the water spray operation to be unsmooth.

Therefore, the object of the present invention is to provide a water spray valve group which can produce a better spray effect and which can make the water spray operation smooth.

Therefore, the novel water spray valve group is installed inside a first-class channel of a water jet head body, and corresponds to a nozzle, the water spray valve group includes a positioning liner, a guiding member, a valve plug and an elastic member, the positioning The liner is mounted inside the flow channel and inside the nozzle. The positioning liner has a hollow cylindrical shape and includes a ring wall defining an inner hole communicating with the flow channel. The guiding member is mounted in the inner hole of the positioning liner, and includes a circumferential surface spaced apart from the annular wall, an end surface intersecting the circumferential surface and opposite to the nozzle, and an end surface recessed by the end surface A recessed hole, a plurality of water guiding grooves recessed by the end surface and connected to the circumferential surface by the recessed hole. The valve plug corresponds to the flow passage and is mounted in the inner bore of the positioning liner. The elastic member is elastically biased between the guiding member and the valve plug, and the elastic force thereof constantly keeps the valve plug corresponding to the tendency of the flow passage to be closed, and at the same time, the end surface abuts against the nozzle.

The utility model has the advantages that: the positioning liner can make the guiding member and the valve plug and the elastic member have better relative positioning, and the elastic member can utilize the elastic force of the elastic member to enable the guiding member and the valve plug Producing a better limit effect allows the water spray operation to be quite smooth.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the novel water spray valve assembly 100 is mounted inside a first-stage channel 101 of a water jet head body 1 and corresponds to a nozzle 2 having a spray hole 201 . The water jet head body 1 can be adjusted and screwed to the water jet head body 1. The water jet head body 1 cooperates with a trigger 3 and a sucking group 4 to achieve the purpose of pumping water to a container (not shown). The trigger 3 and the sucking group 4 are prior art and are not the focus of the present invention. The flow path 101 of the water jet head body 1 has an enlarged diameter end 102, a narrow diameter end 103, and an The shoulder surface 104 between the enlarged diameter end 102 and the narrow diameter end 103. The water spray valve assembly 100 includes a positioning liner 10, a guiding member 20, a valve plug 30 and an elastic member 40.

The positioning liner 10 is mounted on the enlarged diameter end 102 of the flow channel 101 and is located inside the nozzle 2. The positioning liner 10 extends along an axis L and has a hollow cylindrical shape, and includes a defining one for communicating with the flow. a ring wall 12 of the inner hole 11 of the channel 101. The ring wall 12 has a stepped shape and has an enlarged end 121 that is locked to the outside of the enlarged diameter end 102, and is connected to the side of the enlarged diameter end 102 and is inserted through The straight section 122 of the enlarged diameter end 102, the end of the straight section 122 abuts against the shoulder surface 104.

The guiding member 20 is formed in a hollow cylindrical shape which is open in one direction, and is installed in the inner hole 11 of the positioning liner 10, and includes a peripheral wall 21 formed around the axis L and a side disposed on the side of the peripheral wall 21. And perpendicular to the end wall 22 of the axis L, the peripheral wall 21 and the end wall 22 together define a counterbore 23 that communicates with the inner bore 11. The guiding member 20 further includes a circumferential surface 24 spaced apart from the annular wall 12 and having a step shape, an end surface 25 intersecting the circumferential surface 24 and opposite to the nozzle 2, and a recessed surface defined by the end surface 25. The recessed hole 26 is formed by a plurality of recesses 27 which are recessed by the end surface 25 and communicate with the recessed surface 26 to the peripheral surface 24. The circumferential surface 24 has a large diameter section 241 and a small diameter section 242 that is coupled to one side of the large diameter section 241. The end wall 22 is disposed at the end of the small diameter section 242, and the large diameter section 241 has a plurality of parallel The grooves 243 of the axis L are disposed at equal intervals around the axis L and are spiral.

The valve plug 30 corresponds to the flow passage 101 and is mounted in the inner bore 11 of the positioning liner 10. The valve plug 30 has a disc-shaped valve plate 31, and a shaft 32 connected to the valve plate 31 and extending along the axis L. The shaft 32 is bored inside the counterbore 23. The valve plate 31 has a conical surface 311 that faces the narrow diameter end 103 and has a conical shape.

The elastic member 40 of the present embodiment is a compression spring, and the elastic member 40 is mounted in the counterbore 23, and the opposite ends are respectively respectively abutted against the end wall 22 of the guiding member 20 and the valve plate 31 of the valve plug 30. The elastic force between them constantly keeps the valve plug 30 in a tendency to close the narrow-diameter end 103 of the flow path 101 while at the same time making the end face 25 abut against the nozzle 2.

In order to further understand the functions, technical means, and expected effects of the cooperation of the various components of the present invention, the following description will be further described, and it is believed that the present invention can be more deeply and specifically understood.

As shown in FIG. 3, when the spray valve assembly 100 of the present invention is installed inside the flow passage 101 of the water jet head body 1, and the trigger 3 has not been operated, the elastic force of the elastic member 40 causes the end surface 25 of the guide member 20 to abut. Stopped on the inner side of the nozzle 2, and also the resisting surface 311 of the valve plug 30 is abutted against the shoulder surface 104 and the narrow diameter end 103. At this time, the water in the flow channel 101 does not escape from the nozzle hole. 201 flows out.

When the operator presses the trigger 3 and shakes the sucking group 4 to generate a sucking action, as shown in FIG. 1 and FIG. 4, water is sent from the narrow-diameter end 103 toward the expanded-diameter end 102 (FIG. 4). The water pressure pushes the valve plate 31 of the valve plug 30 away from the shoulder surface 104 and the narrow diameter end 103 (at this time, the elastic member 40 is compressed and contains a returning release). Elasticity), water will flow from the gap between the valve plate 31 and the annular wall 12, through the gap between the peripheral wall 21 and the annular wall 12, and the grooves 243, and then along the guiding trough 27, the discharge hole 26, the injection hole 201 is sprayed, so as to achieve the purpose of spraying water mist.

Further, as shown in the stationary state of FIG. 3 and the water spray state of FIG. 4, the guide member 20 can be stably positioned in the positioning liner 10, and the valve plug 30 is generated along the axis L only in the water spray state. When the trigger 3 is not operated, the elastic force of the elastic member 40 can cause the valve plug 30 to block the narrow diameter end 103.

Therefore, the present invention utilizes the entire arrangement of the water spray valve assembly 100, and causes water to generate a uniform thrust on the resisting surface 311 of the valve plate 31 of the valve plug 30, and the valve plug 30 can generate stable movement, so that the water spray operation is relatively smooth. Smooth.

In summary, the novel water spray valve group has a simple overall structure, is easy to manufacture, and can indeed achieve the purpose of the present invention.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧ sprinkler head

101‧‧‧ flow path

102‧‧‧Expanded end

103‧‧‧narrow end

104‧‧‧ Shoulder

2‧‧‧ nozzle

201‧‧‧ orifice

3‧‧‧ Trigger

4‧‧‧Sucking group

100‧‧‧Sprinkle valve group

10‧‧‧ positioning liner

L‧‧‧ axis

11‧‧‧ 内孔

12‧‧‧Circle

121‧‧‧ Expanded end

122‧‧‧ Straight section

20‧‧‧Guide

21‧‧‧Week wall

22‧‧‧End wall

23‧‧‧ counterbore

24‧‧‧ Weekly

241‧‧‧ Large diameter section

242‧‧‧Small path

243‧‧‧ Groove

25‧‧‧ end face

26‧‧‧ recessed hole

27‧‧‧Guide

30‧‧‧ Valve plug

31‧‧‧Valve plate

311‧‧‧Resistance

32‧‧‧ shaft

40‧‧‧Flexible parts

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is an exploded perspective view of an embodiment of the water spray valve assembly of the present invention and a water spray valve group and a nozzle; 2 is a partially enlarged schematic view of FIG. 1; FIG. 3 is an incomplete cross-sectional view of the embodiment; and FIG. 4 is a schematic view of a water spray operation of the embodiment.

Claims (7)

A water spray valve assembly is installed inside a first-class channel of a water jet head body and corresponds to a nozzle. The water spray valve group comprises: a positioning liner installed inside the flow channel and located inside the nozzle, the positioning liner is Hollow cylindrical and including a ring wall defining an inner bore communicating with the flow channel; a guiding member mounted in the inner bore of the positioning liner and including a circumference spaced from the annular wall a surface, an end surface that is connected to the circumferential surface and opposite to the nozzle, a concave hole recessed by the end surface, and a water guiding groove which is recessed by the end surface and communicates with the concave surface to the circumferential surface; Corresponding to the flow channel and installed in the inner hole of the positioning liner; and an elastic member that is elastically between the guiding member and the valve plug, the elastic force of which keeps the valve plug closed corresponding to the flow channel The trend is to simultaneously bias the end face against the nozzle. The water spray valve group according to claim 1, wherein the guide member has a hollow cylindrical shape that is open in one direction, and has a peripheral wall formed around an axis and an end wall disposed on one side of the peripheral wall. The peripheral wall and the end wall together define a counterbore that communicates with the inner bore, the elastic member is mounted in the counterbore, and the elastic member is a compression spring. The water spray valve set according to claim 2, wherein the guide member further comprises a circumferential surface spaced apart from the annular wall and having a step shape, an end surface intersecting the circumferential surface and opposite to the nozzle, A recessed hole recessed in the end surface, and a water guide groove which is recessed by the end surface and communicates with the recessed hole to the circumferential surface. The water spray valve group according to claim 3, wherein the circumferential surface of the guide member has a large diameter section, and a small diameter section that is connected to one side of the large diameter section, the end wall is disposed on the small diameter section At the end, the large diameter section has a plurality of grooves parallel to the axis, and the water guiding grooves are disposed at equal intervals around the axis and are spiral. The water spray valve group according to claim 2, wherein the valve plug has a disc-shaped valve plate, and a shaft connected to the valve plate, the shaft is disposed inside the elastic member. The water spray valve group of claim 5, wherein the flow prop of the water jet head body has an enlarged diameter end for mounting the positioning liner, a narrow diameter end, and a diameter between the expanded diameter end and the narrow diameter end a shoulder surface of the valve plug having a conical surface facing the narrow diameter end, the elastic force of the elastic member is constant such that the resisting surface abuts the joint between the shoulder surface and the narrow diameter end trend. The water spray valve assembly of claim 6, wherein the positioning liner is mounted on the expanded end of the flow passage and located inside the nozzle, the positioning liner extends along the axis and has a hollow cylindrical shape, and includes a Defining a ring wall communicating with the inner hole of the flow channel, the ring wall is in a class shape, and has an enlarged end that is locked to the outside of the expanded diameter end, and a connecting end on the side of the expanded diameter end a straight section of the enlarged end, the end of the straight section abutting the shoulder surface.