TWM541905U - Sprinkler head improved structure - Google Patents

Description

Sprinkler improved structure

This creation is related to the construction of the sprinkler head, especially a sprinkler that prevents water leakage.

FIG. 10 is a conventional water jet head structure including a body 51 and a nozzle 52. The body 51 has a first-stage channel 53 disposed at a front end of the body 51 to receive the flow path 53. And the two are screwed by a fixing sleeve 54, and the water supply source or other liquid is input into the flow path 53 of the body 51, and then the pressure is raised by the nozzle 52 to be ejected.

However, in the above structure, since the whole of the water jet head is composed of a plurality of members connected to each other and has a gap therebetween, especially in a high-pressure use state, the liquid easily leaks out from the gap between the members, resulting in use. inconvenient. On the other hand, after the use and closing of the supply of the liquid, there is still liquid remaining in the flow path 53, which will slowly flow out from the nozzle 52 until the liquid in the flow path 53 is completely discharged, thus making The place where the water jet head is stored is all the liquid remaining in the flow path 53 and is difficult to clean. If the liquid is a chemical such as a pesticide or an insecticide, there is a concern that the environment is polluted.

In view of this, how to improve the above problems is the primary issue that the creative office wants to solve.

The main purpose of the present invention is to provide a water jet head improved structure, the body of which is an integrally formed cylindrical structure without gaps and does not allow liquid to leak out. In addition, a valve member is provided at the outlet for closing the outlet to prevent liquid leakage and to achieve convenient use.

For the purpose of the foregoing, the present invention provides a water jet head improved structure, comprising: a body having a first-class road and forming a water inlet section and a water outlet section at both ends, wherein the water inlet section is provided with a The joint portion of the liquid supply source and a first step portion are connected, and the water outlet portion is provided with a second step portion, so that the inner diameter of the water outlet portion is smaller than the inner diameter of the flow passage; a built-in member having a head a portion is received in the flow passage in the first step portion; the inner member is provided with a first passage communicating with the flow passage; a valve member is disposed in the water discharge portion of the flow passage; an elastic member Abutting the second step portion and supporting the valve member to normally abut the insert member and close the first passage.

In one embodiment, the outer ring of the valve member is provided with a water stop ring to close the water outlet portion; the valve member is provided with a second passage connecting the flow channel and the water outlet portion.

Further, the second passage communicates with one end of the water outlet to form an expanded shape.

In another embodiment, the body is provided with an extension at one end of the corresponding water outlet section, and the water outlet section extends to the extension section.

Further, the portion of the outlet section that extends to the extension extends obliquely.

In another embodiment, the body is additionally provided with an injection port, and the inner member is provided with a through hole communicating with the first passage, and the injection port is correspondingly connected with the through hole.

The above objects and advantages of the present invention are not to be understood in detail from the detailed description and the accompanying drawings.

Referring to Figures 1 and 2, there is shown a first embodiment of the improved spray head of the present invention, comprising an integrally formed body 1 having a flow passage 11 extending through the ends, the flow The channel 11 is formed with a water inlet section 12 and a water outlet section 13, wherein the water inlet section 12 is provided with a joint portion 121 for connecting a liquid supply source (not shown). In the embodiment, the joint portion 121 An external tubular member is threadedly engaged for the screw segment to introduce liquid into the flow passage 11; the outlet portion 13 is provided with a second step portion 131 such that the inner diameter of the outlet portion 13 is smaller than the flow passage 11 The inner diameter is small, thereby increasing the outlet pressure of the liquid.

The inside of the flow channel 11 is provided with a built-in member 2, wherein one end of the insert member 2 has an expanded head portion 21, and the insert member 2 is provided with a first passageway extending from the head portion 21 to the other end. 22. The water inlet section 12 of the flow channel 11 is provided with a first step portion 122, and the inner member 2 extends through the flow channel 11 and the head portion 21 abuts the first step portion 122. It is placed in the flow path 11. In the present embodiment, the head 21 blocks the flow passage 11, but the first passage 22 communicates with the flow passage 11, so that the liquid system injected from the inlet portion 12 flows through the first passage 22 to The water discharge section 13. On the other hand, a first water stop ring 31 is disposed around the inner casing 2 to be in close contact with the peripheral wall of the flow passage 11 to prevent liquid leakage.

A valve member 4 is disposed in the water discharge section 13 of the flow passage 11; wherein the valve member 4 is provided with an elastic member (here, a spring 41), one end of the spring 41 abuts against the second step portion 131, and the other end The valve member 4 is erected, and the valve member 4 is pushed by its elastic force, and one end of the valve member 4 has a block 42 which is pushed by the spring 41 to seal the valve member 4 The block 42 normally abuts the insert 2 and thereby closes the first passage 22. Further, the valve member 4 is provided with a second water stop ring 32 under the blocking block 42 to close the gap between the blocking block 42 and the first passage 22 to prevent liquid leakage.

The valve member 4 can be pushed away by the liquid in the first passage 22, thereby forming the first passage 22 into a flow state. In detail, as shown in Fig. 3, when the liquid continues to be injected from the water inlet section 12, the pressure in the first passage 22 increases to increase the force pushing the valve member 4 when the force is greater than the top of the spring 41. When the force of the valve member 4 is pushed, the valve member 4 is pushed open to move the blocking block 42 away from the first passage 22, and the closed state of the first passage 22 is released, and the liquid flows from the first passage 22 The water discharge section 13. In the present embodiment, the valve member 4 is pushed open to enter the water discharge section 13, so that the water discharge section 13 forms an annular water outlet, so that the liquid is ejected by forming a water column of a ring shape.

In addition, in the embodiment, as shown in the second and third embodiments, the body 1 is additionally provided with an injection port 14 for connecting an external supply source (not shown). In the embodiment, the supply is provided. The source is a gas; and the inner member 2 is provided with a through hole 23 communicating with the first passage 22, and the injection port 14 is in communication with the through hole 23. Accordingly, external air can be injected from the injection port 14 when the liquid pressure is low, and injected into the first passage 22 through the through hole 23, thereby increasing the pressure in the first passage 22 to help push the valve open. Item 4.

According to the above configuration, the present invention constitutes the flow path 11 by the integrally formed body 1, so that the body 1 does not have a slit, thereby preventing liquid leakage, and achieving clean and fresh use convenience. On the other hand, after the liquid supply source is no longer injecting the liquid, the valve member 4 normally closes the first passage 22, so that the amount of liquid remaining in the flow passage 11 and flowing out of the body 1 is small. It is better to maintain the cleanliness of the storage environment.

The figure shown in Fig. 4 is the second embodiment of the creation, and the present embodiment is based on the first embodiment described above, and the structural changes made to the valve member 4. In this embodiment, the outer peripheral ring of the valve member 4 is provided with a third water stop ring 33, which is in close contact with the water discharge portion 13 to close the water outlet portion 13; on the other hand, the valve member 4 is provided with a communication. The flow path 11 and the second passage 43 of the water discharge section 13. Accordingly, in the embodiment, as shown in FIG. 5, after the liquid is pushed open by the valve member 4, since the water discharge portion 13 is closed by the third water stop ring 33, the liquid flows into the second passage 43 and The third water stop ring 33 is bypassed, thereby forming a solid water column to be ejected.

The figure shown in Fig. 6 is the third embodiment of the creation, and the present embodiment is based on the second embodiment described above, and the structural changes made to the valve member 4 are made. In this embodiment, the second passage 43 communicates with one end of the water discharge section 13 to form an expanded section 431 whose outer diameter is gradually expanded. Accordingly, in the embodiment, as shown in FIG. 7, when the liquid pushes the valve member 4, since the water discharge portion 13 is closed by the third water stop ring 33, the liquid flows into the second passage 43 and Further, the third water stop ring 33 is ejected and ejected; further, the expanded portion 431 of the second passage 43 causes an expanded discharge to be formed when the liquid passes, and thus is suitable for a large-area spraying application.

The figure shown in Fig. 8 is the fourth embodiment of the creation, and the present embodiment is based on the first embodiment described above, and the structural changes made to the body 1. In this embodiment, the body 1 is provided with an extension 15 at one end of the corresponding water outlet section 13 , and the water outlet section 13 extends to the extension section 15 . Accordingly, the length of the water discharge section 13 is longer than that of the first embodiment described above, and the liquid has to be ejected over a relatively long distance, so that the water column to be ejected can be concentrated.

The figure shown in Fig. 9 is the fifth embodiment of the creation, and the present embodiment is based on the foregoing fourth embodiment, and the structural changes made to the water discharge section 13 are made. In the present embodiment, the portion of the water discharge section 13 extending to the extension section 15 extends obliquely, whereby the liquid can be ejected obliquely.

However, the above description of the embodiments is merely illustrative of the present invention and is not intended to limit the present invention. Therefore, the replacement of equivalent elements should still be within the scope of the present invention.

In summary, it can be made clear to the skilled person that the creation can achieve the aforementioned objectives, and it has already met the requirements of the Patent Law and submitted an application according to law.

1‧‧‧ Ontology 11‧‧‧Flower 12‧‧‧ Inlet Section 121‧‧‧Combination Department 122‧‧‧First Stage 13‧‧‧Water Discharge Section 131‧‧‧Second Order 14‧‧‧ Note 15‧‧‧ Extension 2‧‧‧ Built-in parts 21‧‧‧ Head 22‧‧‧ First passage 23‧‧‧ Through hole 31‧‧‧ First water stop 32‧‧‧Second water stop Ring 33‧‧ Third water stop ring 4‧‧ Valves 41‧‧‧ Spring 42‧‧‧ Blocks 43‧‧‧Second passage 431‧‧‧Expansion 51‧‧‧ Body 52‧‧‧ Nozzle 53‧‧‧Flower 54‧‧‧Fixed sleeve

1 is a perspective exploded view of the first embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of the first embodiment of the present invention; FIG. 3 is a schematic view showing the state of use of the first embodiment of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 5 is a schematic view showing the state of use of the second embodiment of the present invention; FIG. 6 is a schematic cross-sectional view showing the third embodiment of the present invention; Fig. 8 is a schematic cross-sectional view showing a fourth embodiment of the present invention; Fig. 9 is a schematic cross-sectional view showing a fifth embodiment of the present invention; and Fig. 10 is a schematic cross-sectional view showing a conventional structure.

1‧‧‧ Ontology

11‧‧‧ flow path

12‧‧‧Inlet section

121‧‧‧Combination Department

122‧‧‧First Order

13‧‧‧Outlet

131‧‧‧Second Order

14‧‧‧Injection

2‧‧‧ Built-in parts

21‧‧‧ head

22‧‧‧First Passage

23‧‧‧through hole

31‧‧‧First water stop ring

32‧‧‧Second water stop

4‧‧‧ valve parts

41‧‧‧ Spring

42‧‧‧ Blocking block

Claims (6)

An improved structure of a water jet head, comprising: a body having a first-class road and forming a water inlet section and a water outlet section at both ends, wherein the water inlet section is provided with a joint portion for connecting a liquid supply source and a first step portion, wherein the water outlet portion is provided with a second step portion such that an inner diameter of the water outlet portion is smaller than an inner diameter of the flow passage; a built-in member having a head portion abutting the first step portion a resilient member is disposed in the flow passage of the flow passage; a valve member is disposed in the water outlet portion of the flow passage; an elastic member abuts the second step portion, and The valve member is erected such that it normally abuts the insert and closes the first passage. The water jet head improved structure according to claim 1, wherein the outer peripheral ring of the valve member is provided with a water stop ring to close the water outlet portion; the valve member is provided with a second passage connecting the flow passage and the water outlet portion. The sprinkler head modification structure of claim 2, wherein the second passage communicates with one end of the water discharge section to form an expanded shape. The water jet head improvement structure according to claim 1, wherein the body is provided with an extension at one end of the corresponding water outlet section, and the water outlet section extends to the extension section. The sprinkler head modification structure of claim 4, wherein the portion of the outlet section that extends to the extension extends obliquely. The water jet head improvement structure according to any one of claims 1 to 5, wherein the body is additionally provided with an injection port, and the inner member is provided with a through hole communicating with the first channel, the injection port and the through hole Corresponding connection.