Adjustable and closable spray head

Abstract

The utility model discloses an adjustable closable spray head, which relates to the technical field of spray heads and comprises a base, a middle seat and a surface cover, the middle seat is sleeved outside the upper end of the base and is in threaded connection with the base, and the surface cover is sleeved outside the upper end of the middle seat and is in threaded connection with the middle seat; an adjusting plug at the top end of the base can extend into the water flow channel at the top of the middle base to adjust the gap between the base and the middle base; according to the utility model, the tightness degree between the water outlet channel on the middle seat and the adjusting plug on the base is adjusted through the thread structure, so that the water outlet amount and the opening and closing of the spray head can be controlled, the use of parts is reduced, the production cost is reduced, meanwhile, the damage of the parts is avoided, the maintenance frequency is reduced, and the service life of the product is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of spray heads, in particular to an adjustable and closable spray head. Background Art

[0002] Irrigation system is a general term for all levels of ditches or pipelines, as well as corresponding buildings and facilities for water diversion, water transmission, water distribution, water storage and water withdrawal in irrigation areas. It is an engineering system that draws water from water sources and transmits and distributes water to farmland for irrigation through channels, pipelines and ancillary buildings. It can be divided into two types: channel irrigation system and pipeline irrigation system. In pipeline irrigation systems, atomizing nozzles are often required to atomize and spray the water in the pipeline.

[0003] However, the atomizing nozzles commonly used in the prior art can only adjust the water flow intensity and the spray range by rotating the nozzle cap, and do not have the function of independently realizing the water spraying shutdown.

[0004] The Chinese patent with the announcement number CN 218609932 U discloses a novel atomizing nozzle, including a connecting seat, a No. 1 nozzle, a No. 1 sealing ring, a sealing gasket, a No. 2 nozzle, a No. 2 sealing ring, and a nozzle cap. The bottom of the No. 1 nozzle is equipped with a connecting seat, the No. 1 nozzle includes a No. 1 nozzle body, a No. 1 adjusting screw, a No. 1 spray hole, and a No. 1 placement groove. The No. 1 nozzle body is provided with a No. 1 adjusting screw at the periphery, and the No. 1 nozzle body is provided with a No. 1 spray hole and a No. 1 placement groove near the top, and the No. 1 placement groove is located between the No. 1 spray hole and the No. 1 adjusting screw; the No. 2 nozzle includes a No. 2 nozzle body, a No. 2 adjusting screw, a No. 2 spray hole, a No. 2 placement groove, a No. 2 rotating vertical line, and a No. 1 internal thread. The outer bottom of the No. 2 nozzle body is provided with a No. 1 adjusting screw. A No. 2 rotating vertical line is arranged around the circumference, a No. 2 adjusting screw is arranged on the periphery of the No. 2 nozzle body, and the No. 2 adjusting screw is located above the No. 2 rotating vertical line, a No. 2 spray hole and a No. 2 placement groove are arranged near the top of the No. 2 nozzle body, and a No. 1 internal thread used in conjunction with the No. 1 adjusting screw is arranged on the inner side of the bottom of the No. 2 nozzle body; the sealing gasket is located between the No. 1 nozzle and the No. 2 nozzle, and the nozzle cap comprises a nozzle cap body, a water outlet hole, a No. 3 rotating vertical line, and a No. 2 internal thread. The outer circumference of the bottom of the nozzle cap body is provided with a No. 3 rotating vertical line, the top of the nozzle cap body is provided with a water outlet hole, and the inner side of the bottom of the nozzle cap body is provided with a No. 2 internal thread used in conjunction with the No. 2 adjusting screw.

[0005] This patent changes the water output of the nozzle and opens and closes it by adjusting the tightness of the thread to control the degree of compression on the sealing gasket. However, this method is prone to damage to the sealing gasket after long-term use due to the compression of the sealing gasket, making it impossible to close the nozzle, and it is easy to leak during use.

[0006] Therefore, an adjustable and closable spray head becomes a problem that people need to solve urgently. Utility Model Content

[0007] The technical problem to be solved by the utility model is to provide an adjustable and closable spray head with a simpler structure, a longer service life and a better control effect.

[0008] In order to solve the above technical problems, the utility model provides a technical solution: an adjustable and closable spray head, comprising a base, a middle seat and a surface cover, wherein the middle seat is sleeved on the outside of the upper end of the base and is threadedly connected thereto, and the surface cover is sleeved on the outside of the upper end of the middle seat and is threadedly connected thereto;

[0009] The base includes a base body, a first adjusting thread, a first sealing ring groove, a first spray hole and an adjusting plug, wherein the first adjusting thread is arranged on the periphery of the base body, the first sealing ring groove is arranged on the periphery of the base body and above the first adjusting thread, a first sealing ring is arranged in the first sealing ring groove, the first spray hole is arranged on the side wall of the base body above the first sealing ring groove, and the adjusting plug is arranged on the top of the base body;

[0010] The middle seat comprises a middle seat body, a second adjusting thread, a second sealing ring groove, a second spray hole and a water outlet channel, wherein the second adjusting thread is arranged on the periphery of the middle seat body, the second sealing ring groove is arranged on the periphery of the middle seat body and is located above the second adjusting thread, a second sealing ring is arranged in the second sealing ring groove, the second spray hole is arranged on the side wall of the middle seat body above the second sealing ring groove, the water outlet channel is arranged inside the middle seat body and extends from the second sealing ring groove to the top end to communicate with the second spray hole, and the adjusting plug is inserted into the water outlet channel to adjust the gap between the two;

[0011] The surface cover is connected with the second adjusting thread and is sleeved on the upper end of the middle seat.

[0012] Furthermore, the regulating plug is thicker at the bottom and thinner at the top, the water outlet channel is wider at the bottom and narrower at the top, and the regulating plug part extends into the water outlet channel.

[0013] Furthermore, a water outlet groove is provided at the top of the middle seat, and the water outlet groove is symmetrically arranged with respect to the center of the top surface of the middle seat and is a strip-shaped groove.

[0014] Furthermore, the water outlet groove extends inward from the outer edge of the middle seat and is arranged from deep to shallow.

[0015] The advantages of the utility model over the prior art are that the utility model adjusts the tightness between the water outlet channel on the middle seat and the adjusting plug on the base through the threaded structure, thereby being able to control the water output of the nozzle and the opening and closing, reducing the use of parts and components, reducing production costs, while avoiding damage to parts, reducing the number of repairs, and increasing the service life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram of an adjustable and closable spray head.

[0017] Figure 2 The utility model is a side view of an adjustable and closable spray head.

[0018] Figure 3 yes Figure 2 Cross-sectional view at AA in the middle.

[0019] Figure 4 The utility model is an exploded view of an adjustable and closable spray head.

[0020] Figure 5 It is a schematic diagram of the structure of the base.

[0021] Figure 6 It is a structural diagram of the middle seat.

[0022] Figure 7 It is a schematic diagram of the structure of the cover.

[0023] As shown in the figure: 1. Base, 101. Base body, 102. First adjusting thread, 103. First sealing ring groove, 104. First spray hole, 105. Adjusting plug, 106. First anti-slip pattern, 2. Middle seat, 201. Middle seat body, 202. Second adjusting thread, 203. Second sealing ring groove, 204. Second spray hole, 205. Water outlet channel, 206. Water outlet groove, 207. First internal thread, 208. Second anti-slip pattern, 3. Surface cover, 301. Cover body, 302. Water outlet, 303. Second internal thread, 304. Third anti-slip pattern, 4. First sealing ring, 5. Second sealing ring. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inside", "outside", "vertical", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present utility model, "first feature", "second feature" and "third feature" may include one or more of the features. In addition, the terms "first", "second" and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" and "third" may explicitly or implicitly include one or more of the features.

[0026] The adjustable and closable spray head of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0027] Combined with Figure 1-7 , the utility model is introduced in detail.

[0028] An adjustable and closable spray head comprises a base 1, a middle base 2 and a surface cover 3, wherein the middle base 2 is sleeved on the outer portion of the upper end of the base 1 and is threadedly connected thereto, and the surface cover 3 is sleeved on the outer portion of the upper end of the middle base 2 and is threadedly connected thereto;

[0029] The base 1 includes a base body 101, a first adjusting thread 102, a first sealing ring groove 103, a first spray hole 104 and an adjusting plug 105. The first adjusting thread 102 is arranged on the periphery of the base body 101, the first sealing ring groove 103 is arranged on the periphery of the base body 101 and is above the first adjusting thread 102, a first sealing ring 4 is arranged in the first sealing ring groove 103, and the first sealing ring 4 can prevent water from seeping out from between the base 1 and the middle seat 2. The first spray hole 104 is arranged on the side wall of the base body 101 above the first sealing ring groove 103, and the adjusting plug 105 is arranged at the top of the base body 101. The adjusting plug 105 is used to adjust the water flow between the base 1 and the middle seat 2 until it is completely blocked, and can be used as a switch.

[0030] The middle seat 2 includes a middle seat body 201, a second adjusting thread 202, a second sealing ring groove 203, a second spray hole 204 and a water outlet channel 205. The second adjusting thread 202 is arranged on the periphery of the middle seat body 201, the second sealing ring groove 203 is arranged on the periphery of the middle seat body 201 and is located above the second adjusting thread 202, a second sealing ring 5 is arranged in the second sealing ring groove 203, and the second sealing ring 5 can prevent water leakage between the middle seat 2 and the cover 3. The second spray hole 204 is arranged on the side wall of the middle seat body 201 above the second sealing ring groove 203, the water outlet channel 205 is arranged inside the middle seat body 201 and extends from the second sealing ring groove 203 to the top end to communicate with the second spray hole 204, the adjusting plug 105 is inserted into the water outlet channel 205 to adjust the size of the gap between the two, and the water output is controlled by adjusting the size of the gap.

[0031] The surface cover 3 is connected to the second adjusting thread 202 and is sleeved on the upper end of the middle seat.

[0032] In one embodiment of the present application, the adjusting plug 105 is thicker at the bottom and thinner at the top, the water outlet channel 205 is wide at the bottom and narrower at the top, and a portion of the adjusting plug 105 extends into the water outlet channel 205. Both of them have a small top and a large bottom structure. Therefore, after the adjusting plug 105 is extended into the water outlet channel 205, it can continuously and tightly block the water flow, and can increase the gap when it is rotated and pulled out, thereby increasing the water flow rate.

[0033] In one embodiment of the present application, a water outlet groove 206 is provided at the top of the middle seat 2. The water outlet groove 206 is symmetrically arranged about the center of the top surface of the middle seat 2 and is a strip-shaped groove. The water flow rate can also be controlled through the water outlet groove 206, and the water flow can be further atomized. Specifically, the surface cover 3 can be rotated to adjust the distance between the water outlet groove 206 and the inner wall of the top of the surface cover 3, thereby controlling the water flow to the water outlet hole 302.

[0034] Preferably, the water outlet groove 206 extends inward from the outer edge of the middle seat and is arranged from deep to shallow. The water sprayed from the second spray hole 204 flows from the edge of the water outlet groove 206 to the middle direction, and then sprays from the middle to the water outlet hole 302 on the top of the cover 3. The design from shallow to deep can continuously squeeze the water flow to create an atomization effect, while increasing the water flow pressure and the spray range is farther.

[0035] In one embodiment of the present application, a first internal thread 207 is provided at the lower end of the inner wall of the middle seat body 201, and the first internal thread 207 is connected to the first adjusting thread 102. The gap between the adjusting plug 105 and the water outlet channel 205 is adjusted through the threaded connection between the two to control the nozzle switch and the water flow.

[0036] In one embodiment of the present application, the face cover 3 includes a cover body 301 and a water outlet 302. The inner wall of the cover body 301 is provided with a second internal thread 303, and the second internal thread 303 is connected to the second adjustment thread 202. The water outlet 302 is arranged at the top of the cover body 301. The distance between the water outlet 206 and the top of the face cover 3 can be controlled through the threaded connection structure between the face cover 3 and the middle seat 2, thereby adjusting the water output, atomization effect, spray range, etc.

[0037] In one embodiment of the present application, the lower outer wall of the base 1 is provided with a first anti-slip pattern 106, the lower outer wall of the middle seat 2 is provided with a second anti-slip pattern 208, and the lower outer wall of the surface cover 3 is provided with a third anti-slip pattern 304. Anti-slip patterns are provided on each component to facilitate installation and disassembly.

[0038] The specific implementation process of the utility model of an adjustable and closable spray head is as follows:

[0039] When the spray head is used, the base 1 is threadedly connected with the middle seat 2, and the middle seat 2 is threadedly connected with the surface cover 3 in sequence. After the base 1 and its external auxiliary components are connected to the water pipe, water flows out from the first spray hole 104 of the base 1 to the middle seat 2, and then sprays out from the second spray hole 204 on the middle seat 2 to the surface cover 3, flows through the water outlet groove 206 on the top of the middle seat 2, and then sprays out from the water outlet hole 302 on the top of the surface cover 3.

[0040] During use, the base 1 and the middle seat 2 can be tightened so that the adjusting plug 105 and the water outlet channel 205 are completely blocked to achieve closure; then the middle seat 2 and the base 1 are gradually loosened to increase the gap between the adjusting plug 105 and the water outlet channel 205, thereby opening the spray head and increasing the water flow.

[0041] At the same time, the distance between the water outlet 206 and the top of the surface cover 3 can be adjusted by rotating the middle seat 2 and the surface cover 3, thereby adjusting the water output, atomization effect, atomization range, etc.

[0042] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An adjustable and closable spray head, comprising a base (1), a middle base (2) and a cover (3), wherein the middle base (2) is sleeved on the outer portion of the upper end of the base (1) and is threadedly connected thereto, and the cover (3) is sleeved on the outer portion of the upper end of the middle base (2) and is threadedly connected thereto, and wherein: The base (1) comprises a base body (101), a first adjusting thread (102), a first sealing ring groove (103), a first spray hole (104) and an adjusting plug (105), wherein the first adjusting thread (102) is arranged on the periphery of the base body (101), the first sealing ring groove (103) is arranged on the periphery of the base body (101) and above the first adjusting thread (102), a first sealing ring (4) is arranged in the first sealing ring groove (103), the first spray hole (104) is arranged on the side wall of the base body (101) above the first sealing ring groove (103), and the adjusting plug (105) is arranged at the top of the base body (101); The middle seat (2) comprises a middle seat body (201), a second adjusting thread (202), a second sealing ring groove (203), a second spray hole (204) and a water outlet channel (205); the second adjusting thread (202) is arranged on the periphery of the middle seat body (201); the second sealing ring groove (203) is arranged on the periphery of the middle seat body (201) and is located above the second adjusting thread (202); a second sealing ring (5) is arranged in the second sealing ring groove (203); the second spray hole (204) is arranged on the side wall of the middle seat body (201) above the second sealing ring groove (203); the water outlet channel (205) is arranged inside the middle seat body (201) and extends from the second sealing ring groove (203) to the top end to communicate with the second spray hole (204); the adjusting plug (105) is inserted into the water outlet channel (205) to adjust the gap between the two; The surface cover (3) is connected to the second adjusting thread (202) and is sleeved on the upper end of the middle seat (2).

2. The adjustable and closable spray head according to claim 1, characterized in that: The regulating plug (105) is thick at the bottom and thin at the top, the water outlet channel (205) is wide at the bottom and narrow at the top, and a portion of the regulating plug (105) extends into the water outlet channel (205).

3. The adjustable and closable spray head according to claim 2, characterized in that: The top of the middle seat (2) is provided with a water outlet groove (206), which is symmetrically arranged with respect to the center of the top surface of the middle seat (2) and is a strip-shaped groove.

4. The adjustable and closable spray head according to claim 3, characterized in that: The water outlet groove (206) extends inward from the outer edge of the middle seat (2) and is arranged from deep to shallow.

5. The adjustable and closable spray head according to claim 4, characterized in that: A first internal thread (207) is provided at the lower end of the inner wall of the middle seat body (201), and the first internal thread (207) is connected to the first adjustment thread (102).

6. The adjustable and closable spray head according to claim 5, characterized in that: The surface cover (3) comprises a cover body (301) and a water outlet hole (302); the inner wall of the cover body (301) is provided with a second internal thread (303); the second internal thread (303) is connected to the second adjustment thread (202); and the water outlet hole (302) is arranged at the top of the cover body (301).

7. The adjustable and closable spray head according to claim 6, characterized in that: The outer wall at the lower end of the base (1) is provided with a first anti-slip pattern (106), the outer wall at the lower end of the middle seat (2) is provided with a second anti-slip pattern (208), and the outer wall at the lower end of the surface cover (3) is provided with a third anti-slip pattern (304).

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