A rotary spray gun for irrigation equipment

Abstract

The present invention discloses a rotary spray gun for irrigation equipment, including an underground spray gun body and a movable spray head assembly, wherein the underground spray gun body is equipped with a movable spray head assembly, and the movable spray head assembly includes a hollow rod, connecting arms are fixed on both sides of the top of the hollow rod, and the connecting arm is fixedly connected to a rotating head at one end away from the hollow rod, an umbrella cover is arranged at the top of the rotating head truncated cone structure, and a water-dividing tooth is arranged in an array at the bottom end of the rotating head truncated cone structure, a spring is arranged in the middle of the hollow rod, and a water-blocking plate with a hollow middle part is fixedly connected to the bottom end of the hollow rod. The rotating head structure of the underground spray gun body in the present invention can be raised when in use, and can be retracted into the cavity when idle to play a protective role. In addition, the umbrella cover at the top of the rotating head truncated cone structure cooperates with the sealing cone surface of the inner wall of the platform to achieve sealing, which can effectively prevent external factors such as dust, sand, and weeds in the wild from entering and causing the nozzle to be blocked when idle.

Description

Technical Field

[0001] The invention relates to the technical field of garden irrigation, in particular to a rotary spray gun for irrigation equipment. Background Art

[0002] The most common equipment for garden irrigation should be the rotary underground spray gun in parks, football fields, large industrial park bases and other places. This type of rotary underground spray gun is driven by water power and does not require an external power supply. It relies on the water pressure in the pipe to provide power for the rotation of the spray gun. Moreover, since there is no cable, safety is also guaranteed.

[0003] Since this type of rotary underground spray gun is mostly used in landscaping in public places, the exposed rotary nozzle will not only be blocked by external factors such as dust, sand, weeds, etc. in the wild when not working, but will also be deformed and damaged by the impact of vehicles and personnel. In addition, the rotary underground spray gun in the prior art can usually only be switched between two use states: normally open and normally closed. In the normally open state, water is sprayed by rotating, but the spraying range cannot be adjusted according to the shape of the grass. In other words, when the rotary underground spray gun is set on the grass near the roadside, spraying water by rotating will not only lead to a waste of water resources, but also wet the road and pedestrians, bringing a bad user experience.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a rotary spray gun for irrigation equipment is proposed. Summary of the invention

[0005] The object of the present invention is to provide a rotary spray gun for irrigation equipment to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A rotary spray gun for irrigation equipment, comprising an underground spray gun body and a movable spray head assembly, wherein the underground spray gun body is equipped with a movable spray head assembly, wherein the movable spray head assembly comprises a hollow rod, a connecting arm, a rotating head, an umbrella cover, a water-dividing tooth, a spring and a water-blocking plate, wherein connecting arms are fixed on both sides of the top of the hollow rod, and the connecting arm is fixedly connected to the rotating head at one end away from the hollow rod, an umbrella cover is arranged at the top of the truncated cone structure of the rotating head, and water-dividing teeth are arranged in an array at the bottom end of the truncated cone structure of the rotating head, a spring is sleeved in the middle of the hollow rod, and a water-blocking plate with a hollow middle portion is fixedly connected to the bottom end of the hollow rod;

[0008] The rotating head, connecting arm, hollow rod and water blocking plate form an integrated structure from top to bottom, and the rotating head is composed of a top umbrella cover and water dividing teeth arranged in an array at the bottom to form a truncated cone structure;

[0009] The bottom end of the flow channel inside the hollow rod is connected to the hollow middle hole of the water blocking plate, and the top end of the flow channel inside the hollow rod drives the rotating head to rotate by the ejected high-speed water flow.

[0010] Furthermore, the part of the underground spray gun body inserted into the ground is composed of a ground cone, and a connecting threaded port fixed to the water pipe thread is fixed at the bottom end of the ground cone.

[0011] Furthermore, a bracket is fixed in the middle of the ground cone, and a rotary bearing is arranged in the middle of the bracket, and a key groove provided on the inner ring of the rotary bearing matches with a key protrusion in the middle of the hollow rod.

[0012] Furthermore, the part of the underground spray gun body exposed above the ground is composed of a platform, and the platform is longitudinally connected to the internal cavity of the ground cone. A sealing cone surface is opened on the inner wall of the platform, and the sealing cone surface is sealed with the umbrella cover at the top of the truncated cone structure of the rotating head.

[0013] Furthermore, an adjustable nozzle with an opening of 180 degrees is provided on one side of the bottom of the outer edge of the platform, and slopes are symmetrically provided at both ends of the top of the outer edge of the platform.

[0014] Furthermore, the slope is located above the adjustable nozzle, and the slope is located above both ends of the adjustable nozzle opening.

[0015] Furthermore, a ball is movably embedded inside the slope, and the ball hangs down to the bottom of the slope outside the slope in a natural state, and when the ball is squeezed, it protrudes from the top of the slope inside the slope to limit the rotating head.

[0016] Furthermore, a retaining frame is fixed to the outer edge of the platform, and a shield is rotatably arranged inside the retaining frame. The height of the shield spans the adjustable nozzle and the slope, and the shield of the semicircular ring structure is sealed and matched with the adjustable nozzle.

[0017] The rotary spray gun for irrigation equipment provided by the present invention has the following beneficial effects:

[0018] 1. During the use of the present invention, when the buried spray gun body of the present application needs to cover the surrounding turf 360 degrees for spraying, the balls located in the slope above the two ends of the adjustable nozzle will naturally hang down at the bottom of the slope outside the slope, and will not hinder the ejection of the rotating head from the platform opening. When the buried spray gun body of the present application needs to adjust the spraying range according to different turf shapes, the shield inside the retaining frame is twisted to leave the shielded adjustable nozzle on the side of the platform. By adjusting the opening angle of the adjustable nozzle on the side of the platform, the spray range can be adjusted within a range of 180 degrees. The spraying range of the rotating head is steplessly adjusted. During the process of twisting the baffle, the ball is squeezed and protrudes from the top of the slope on the inner side of the slope to limit the rotating head. At this time, the rising channel of the rotating head at the platform opening is blocked, and the rotating head can only stay on the inner side of the adjustable nozzle. The sprayed water can only be sprayed out from the reserved adjustable nozzle. This design allows the underground spray gun body of the present application to add stepless adjustment of the spraying range in addition to the two usage states of normally open and normally closed, so that the spraying range of the rotating head can be adjusted according to the shape of the ground, thereby reducing water waste and improving irrigation efficiency.

[0019] 2. During the use of the present invention, during irrigation operations, under the impact of high-pressure water flow, on the one hand, the water-blocking plate drives the top of the rotating head out of the platform opening through the connecting arms on both sides of the top of the hollow rod, and on the other hand, the water flows out from the inner cavity of the hollow rod and impacts the bottom water teeth of the truncated cone structure of the rotating head to make it rotate. After the operation is stopped and the water pressure is removed, the hollow rod and the top rotating head thereof shrink into the cavity under the action of the restoring force of the spring, so that the rotating head structure of the underground spray gun body of the present application can be raised when in use and shrink into the cavity when idle to play a protective role. In addition, the umbrella cover at the top of the truncated cone structure of the rotating head cooperates with the sealing cone surface of the inner wall of the platform to achieve sealing, which can effectively prevent external factors such as dust, sand, weeds, etc. from entering the field and causing clogging of the spray head when idle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the adjustable spraying range state of the buried spray gun body of the present invention;

[0022] Figure 2 This is a schematic diagram of the fully open state of the underground spray gun body of the present invention;

[0023] Figure 3 This is a schematic diagram of the front view of the underground spray gun body of the present invention;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the underground spray gun body of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the shell body of the underground spray gun of the present invention;

[0026] Figure 6 for Figure 5 A partial enlarged view of the middle A;

[0027] Figure 7 It is a schematic diagram of the structure of the movable nozzle assembly of the present invention.

[0028] In the figure: 1. underground spray gun body; 2. movable nozzle assembly; 201. hollow rod; 202. connecting arm; 203. rotating head; 204. umbrella cover; 205. water-dividing teeth; 206. spring; 207. water-blocking plate; 3. ground cone; 4. connecting thread; 5. bracket; 6. rotating bearing; 7. platform; 8. sealing cone; 9. adjustable nozzle; 10. slope; 11. ball; 12. retaining frame; 13. shield. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figures 1 to 7 The rotary spray gun for irrigation equipment of the present invention comprises an underground spray gun body 1 and a movable spray head assembly 2, wherein the underground spray gun body 1 has the movable spray head assembly 2 built therein.

[0031] Specifically, the movable nozzle assembly 2 includes a hollow rod 201, a connecting arm 202, a rotating head 203, an umbrella cover 204, a water dividing tooth 205, a spring 206 and a water blocking plate 207. The connecting arms 202 are fixed on both sides of the top of the hollow rod 201, and the end of the connecting arm 202 away from the hollow rod 201 is fixedly connected to the rotating head 203. The top of the truncated cone structure of the rotating head 203 is provided with an umbrella cover 204, and the bottom of the truncated cone structure of the rotating head 203 is provided with a water dividing tooth 205. The middle part of the hollow rod 201 is provided with a spring 206. The hollow rod 201 is provided with a spring 206, and a water blocking plate 207 with a hollow middle portion is fixedly connected to the bottom end of the hollow rod 201. The rotating head 203, the connecting arm 202, the hollow rod 201 and the water blocking plate 207 form an integrated structure from top to bottom. The rotating head 203 is composed of a top umbrella cover 204 and water-dividing teeth 205 arranged in an array at the bottom to form a truncated cone-shaped structure. The bottom end of the internal flow channel of the hollow rod 201 is connected to the hollow middle hole of the water blocking plate 207, and the top end of the internal flow channel of the hollow rod 201 drives the rotating head 203 to rotate by the ejected high-speed water flow.

[0032] When in use, the ground cone 3 at the bottom of the buried spray gun body 1 is inserted into the ground, and the connecting thread 4 at the bottom of the ground cone 3 is connected and fixed to the water pipe. During irrigation operations, the system draws water from the water source through a water pump and pumps it to the inner cavity of the ground cone 3 through the water pipe. Under the impact of the high-pressure water flow, on the one hand, the water blocking plate 207 drives the rotating head 203 to be pushed out of the opening of the platform 7 through the connecting arms 202 on both sides of the top of the hollow rod 201. On the other hand, the water flows out from the inner cavity of the hollow rod 201 and impacts the water teeth 205 at the bottom of the truncated cone structure of the rotating head 203 to make it rotate. The keyway provided on the inner ring of the rotating bearing 6 in the middle of the bracket 5 Cooperating with the key convex in the middle of the hollow rod 201, the ejection and rotation processes of the core rod do not interfere with each other. After the operation is stopped and the water pressure is removed, the hollow rod 201 and the top rotating head 203 thereof are retracted into the cavity under the action of the restoring force of the spring 206, so that the rotating head 203 structure of the underground spray gun body 1 of the present application can be raised when in use, and retracted into the cavity when idle to play a protective role. In addition, the umbrella cover 204 at the top of the truncated cone structure of the rotating head 203 cooperates with the sealing cone surface 8 on the inner wall of the platform 7 to achieve sealing, which can effectively prevent external factors such as dust, sand, weeds, etc. from entering the field and causing the nozzle to be blocked when idle.

[0033] See also Figures 4 to 6The part of the underground spray gun body 1 inserted into the ground is composed of a ground cone 3, and a connecting thread 4 fixed to the bottom end of the ground cone 3 is fixed with a water pipe thread. A bracket 5 is fixed in the middle of the ground cone 3, and a rotating bearing 6 is arranged in the middle of the bracket 5, and the key groove provided on the inner ring of the rotating bearing 6 is matched with the key convex in the middle of the hollow rod 201. The part of the underground spray gun body 1 exposed to the ground is composed of a platform 7, and the platform 7 is longitudinally connected with the internal cavity of the ground cone 3. A sealing cone surface 8 is provided on the inner wall of the platform 7, and the sealing cone surface 8 is sealed with the umbrella cover 204 at the top of the truncated cone structure of the rotating head 203, and an adjustable opening of 180 degrees is provided on one side of the bottom of the outer edge of the platform 7. The nozzle 9 is provided, and slopes 10 are symmetrically provided at both ends of the top of the outer edge of the platform 7, the opening position of the slope 10 is located above the adjustable nozzle 9, and the slope 10 is located above both ends of the opening of the adjustable nozzle 9, a ball 11 is movably embedded inside the slope 10, and the ball 11 naturally hangs down at the bottom of the slope outside the slope 10, and when the ball 11 is squeezed, it protrudes from the top of the slope inside the slope 10 to limit the rotating head 203, a retaining frame 12 is fixed on the outer edge of the platform 7, and a shield plate 13 is rotatably provided inside the retaining frame 12, the height of the shield plate 13 spans the adjustable nozzle 9 and the slope 10, and the shield plate 13 with a semicircular ring structure is sealed with the adjustable nozzle 9.

[0034] When the buried spray gun body 1 of the present application needs to cover the surrounding turf 360 degrees for spraying, the shield 13 completely blocks the adjustable nozzle 9 on the side of the platform 7 to prevent water from overflowing. The balls 11 located in the slope 10 above the two ends of the adjustable nozzle 9 hang down at the bottom of the slope outside the slope 10 in a natural state, and will not hinder the ejection of the rotating head 203 from the opening of the platform 7. At this time, the rotating head 203 is ejected from the opening of the platform 7 under the impact of the water flow, and the water flow achieves all-round coverage of the surrounding turf through self-rotation. When the buried spray gun body 1 of the present application needs to adjust the spraying range according to different turf shapes, the shield 13 inside the retaining frame 12 is twisted to leave the shielded adjustable nozzle 9 on the side of the platform 7. By adjusting the opening angle of the adjustable nozzle 9 on the side of the platform 7, the spraying range of the rotating head 203 can be steplessly adjusted within a range of one hundred and eighty degrees.

[0035] When it is necessary to cover the range on the other side, it is only necessary to reverse the overall direction of the buried spray gun body 1. In the process of twisting the baffle 13, the end of the baffle 13 will squeeze the ball 11 in the slope 10 opened above the two ends of the adjustable nozzle 9, so that the ball 11 is squeezed and protrudes from the top of the slope on the inner side of the slope 10 to limit the rotating head 203. At this time, the rising channel of the rotating head 203 located at the opening of the platform 7 is blocked, and the rotating head 203 can only stay on the inner side of the adjustable nozzle 9, and the sprayed water can only be sprayed out from the reserved adjustable nozzle 9. This design allows the buried spray gun body 1 of the present application to increase the stepless adjustment of the spraying range in addition to the two usage states of normally open and normally closed, so that the spraying range of the rotating head 203 can be adjusted according to the shape of the ground, thereby reducing water waste while improving irrigation efficiency.

[0036] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various implementations with various modifications suitable for specific uses.

Claims

1. A rotary spray gun for irrigation equipment, characterized in that: The invention comprises an underground spray gun body (1) and a movable spray head assembly (2), wherein the underground spray gun body (1) is provided with a movable spray head assembly (2), wherein the movable spray head assembly (2) comprises a hollow rod (201), a connecting arm (202), a rotating head (203), a spring (206) and a water blocking plate (207), wherein connecting arms (202) are fixed on both sides of the top end of the hollow rod (201), and one end of the connecting arm (202) facing away from the hollow rod (201) is fixedly connected to the rotating head (203), an umbrella cover (204) is arranged at the top end of the truncated cone structure of the rotating head (203), and water dividing teeth (205) are arranged in an array at the bottom end of the truncated cone structure of the rotating head (203), a spring (206) is sleeved in the middle of the hollow rod (201), and a water blocking plate (207) with a hollow middle portion is fixedly connected to the bottom end of the hollow rod (201); The rotating head (203), the connecting arm (202), the hollow rod (201) and the water blocking plate (207) form an integrated structure from top to bottom, and the rotating head (203) is composed of a top umbrella cover (204) and water dividing teeth (205) arranged in an array at the bottom to form a truncated cone-shaped structure; The bottom end of the internal flow channel of the hollow rod (201) is connected to the hollow pores of the water blocking plate (207), and the top end of the internal flow channel of the hollow rod (201) drives the rotating head (203) to rotate by ejecting high-speed water flow; The part of the underground spray gun body (1) exposed to the ground is composed of a platform (7), and the platform (7) is longitudinally connected to the internal cavity of the ground cone (3). The inner wall of the platform (7) is provided with a sealing cone surface (8), and the sealing cone surface (8) is sealed with an umbrella cover (204) at the top of the truncated cone structure of the rotating head (203); An adjustable nozzle (9) is provided on one side of the bottom of the outer edge of the platform (7), and slopes (10) are symmetrically provided at both ends of the top of the outer edge of the platform (7); A ball (11) is movably embedded inside the slope (10), and the ball (11) naturally hangs at the bottom of the slope outside the slope (10), and when the ball (11) is squeezed, it protrudes from the top of the slope inside the slope (10) to limit the rotation head (203); A retaining frame (12) is fixed to the outer edge of the platform (7), and a shielding plate (13) is rotatably arranged inside the retaining frame (12). The height of the shielding plate (13) spans the adjustable nozzle (9) and the slope (10), and the shielding plate (13) with a semicircular ring structure is sealed and matched with the adjustable nozzle (9).

2. The rotary spray gun for irrigation equipment according to claim 1, characterized in that: The part of the underground spray gun body (1) inserted into the ground is composed of a ground cone (3), and a connecting thread (4) fixed to a water pipe thread is fixed at the bottom end of the ground cone (3).

3. The rotary spray gun for irrigation equipment according to claim 2, characterized in that: A bracket (5) is fixed in the middle of the ground cone (3), and a rotary bearing (6) is arranged in the middle of the bracket (5), and a key groove provided on the inner ring of the rotary bearing (6) matches with a key protrusion in the middle of the hollow rod (201).

4. The rotary spray gun for irrigation equipment according to claim 1, characterized in that: The opening of the adjustable nozzle is one hundred and eighty degrees.

5. The rotary spray gun for irrigation equipment according to claim 1, characterized in that: The slope (10) is located above the adjustable nozzle (9), and the slope (10) is located above both ends of the opening of the adjustable nozzle (9).

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