Drip-proof sprayer assembly of semi-automatic spraying vehicle

Abstract

The utility model relates to the technical field of spray head assemblies, in particular to a drip-proof spray head assembly of a semi-automatic spraying vehicle. The connecting pipe penetrates through the right side of the annular wall of the vacuum pipe; a blocking piece is arranged in the connecting pipe and arranged in the connecting pipe in a blocking mode. Leakage-proof mechanisms are arranged on the left and right sides of the separation blade; the connecting plate is movably blocked in the vacuum tube; a piston is fixed at the bottom of the connecting plate; a left second limiting pipe and a right second limiting pipe are fixed to the connecting plate, second limiting rods are movably inserted into the second limiting pipes, and the second limiting rods are fixed to an inner top plate of the vacuum pipe. The adjusting mechanism is connected with the water splashing disc; blockage is formed at the spray head, liquid residues in the spray head are reduced, liquid connected with the spray head is reduced, and liquid leakage is avoided; when the nozzle is closed, negative pressure can be formed, and the water splashing disc can rise to be arranged in the nozzle, so that liquid in the nozzle is prevented from dripping, and the practicability is improved.

Description

Technical Field

[0001] This utility model relates to the field of nozzle assembly technology, specifically to a drip-proof nozzle assembly for a semi-automatic sprinkler truck. Background Technology

[0002] When a semi-automatic sprinkler truck is spraying, the pump body is usually shut off when the nozzle body is closed, but the nozzle body is still connected to the pipeline. Under the action of gravity, residual liquid will inevitably drip down, which will cause pollution to roads and other places when the semi-automatic sprinkler truck is moving. To address this, a drip-proof nozzle assembly for semi-automatic sprinkler trucks is proposed. Utility Model Content

[0003] The purpose of this utility model is to address the defects and shortcomings of the existing technology by providing a drip-proof nozzle assembly for a semi-automatic sprinkler truck. This assembly creates a blockage at the nozzle, reducing the amount of liquid residue inside the nozzle and thus preventing leakage. When the nozzle is closed, a negative pressure is created, allowing the splash plate to rise inside the nozzle and prevent liquid from dripping out, thereby improving practicality.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: it includes a nozzle body and a splash plate; a splash plate is provided below the nozzle body;

[0005] It also includes:

[0006] A vacuum tube, wherein the vacuum tube is connected through to the upper end of the nozzle body;

[0007] The connecting tube is connected through the right side of the annular wall of the vacuum tube; a baffle is provided inside the connecting tube, and the annular wall of the baffle is arc-shaped; a first rotating shaft is fixed at the upper end of the baffle, and the first rotating shaft is screwed onto the connecting tube through a sealed bearing; a leak-proof mechanism is provided on both the left and right sides of the baffle.

[0008] A rotating motor, the output shaft of which is connected to a first rotating shaft; the rotating motor is connected to an external power source; the rotating motor is fixed to a connecting pipe by a bracket;

[0009] The second rotating shaft is screwed onto the connecting pipe via a bearing and is located to the left of the first rotating shaft. A first gear is fixedly mounted on the first rotating shaft and a second gear is fixedly mounted on the second rotating shaft. The first gear and the second gear are meshed together.

[0010] The screw is screwed into the vacuum tube via a bearing; a No. 3 gear is fixedly fitted on the screw, a No. 4 gear is fixedly fitted on the upper end of the No. 2 rotating shaft, a rack is meshed on the front side of the No. 4 gear, and a through hole is opened on the right side of the annular wall of the vacuum tube, and the rack is movably inserted into the through hole.

[0011] An internally threaded tube, wherein the internally threaded tube is screwed onto the lower part of the screw rod;

[0012] A connecting plate is movably installed inside a vacuum tube; a piston is fixed to the bottom of the connecting plate; two second-order limiting tubes are fixed to the connecting plate on the left and right, and a second-order limiting rod is movably inserted into the second-order limiting tube, and the second-order limiting rod is fixed to the inner top plate of the vacuum tube.

[0013] An adjustment mechanism is provided, which is mounted on the second rotating shaft and connected to the splash plate.

[0014] Preferably, the leak-proof mechanism comprises:

[0015] Leak-proof ring, wherein the leak-proof ring is fitted to the ring wall of the baffle; a first rotating shaft is movably inserted into the leak-proof ring;

[0016] Two fixing plates are provided, one on the outside of the leak-proof ring, and the fixing plates are fixed inside the connecting pipe.

[0017] The springs are two in number and are respectively fixed between the fixing plate and the leak-proof ring;

[0018] Two No. 1 limiting tubes are provided, and each is fixed to the leak-proof ring.

[0019] There are two No. 1 limiting rods, which are movably inserted into the No. 1 limiting tube and fixed to the fixing plate.

[0020] Preferably, the rack is fixed to the front side wall, and the rack is movably engaged in the through hole.

[0021] Preferably, the adjusting mechanism comprises:

[0022] The first connecting rod is a "U" shaped structure and is fixed to the splash plate.

[0023] There are two connecting rods, which are fixed to the two upper ends of the first connecting rod respectively. The second connecting rod has an "L" shaped structure.

[0024] The adjusting ring is fixed to the inner ends of the two No. 2 connecting rods and is threaded onto the No. 2 rotating shaft.

[0025] Preferably, the protective cover is fixed to the right side of the annular wall of the vacuum tube, the connecting pipe is inserted and fixed inside the protective cover, and two sliding grooves are opened on the protective cover, with the second connecting rod movably inserted into the sliding grooves.

[0026] Preferably, the rubber ring is fixed to the bottom of the nozzle body, and the angle of the inner ring of the rubber ring is set to be consistent with the angle of the splash plate.

[0027] Compared with the prior art, the beneficial effects of this utility model are:

[0028] 1. Create a blockage at the nozzle body to reduce the amount of liquid residue inside the nozzle body and the amount of liquid connected to the nozzle body, thus preventing leakage.

[0029] 2. When the nozzle is closed, a negative pressure is created, and the splash plate can rise and be located inside the nozzle body to prevent liquid from dripping from the nozzle body, thus improving practicality. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of this utility model.

[0031] Figure 2 This is a cross-sectional view of the nozzle body, vacuum tube, connecting tube, and protective cover in this utility model.

[0032] Figure 3 yes Figure 2 Enlarged view of part A in the image.

[0033] Figure 4 yes Figure 2 Enlarged view of part B in the image.

[0034] Figure 5 yes Figure 2 Enlarged view of section C in the image.

[0035] Figure 6 yes Figure 2 Enlarged view of part D in the image.

[0036] Figure 7 This is a schematic diagram of the anti-leakage ring in this utility model.

[0037] Explanation of reference numerals in the attached figures:

[0038] 1. Nozzle body; 2. Splash plate; 3. Vacuum tube; 4. Connecting tube; 5. Baffle plate; 6. No. 1 rotating shaft; 7. Leak-proof mechanism; 7-1. Leak-proof ring; 7-2. Fixing plate; 7-3. Spring; 7-4. No. 1 limiting tube; 7-5. No. 1 limiting rod; 8. Rotating motor; 9. No. 2 rotating shaft; 10. No. 1 gear; 11. No. 2 gear; 12. Screw; 13. No. 4 gear; 14. Rack; 15. Sliding strip; 16. Internal threaded tube; 17. Connecting plate; 18. Piston; 19. No. 2 limiting tube; 20. No. 2 limiting rod; 21. Adjusting mechanism; 22-1. No. 1 connecting rod; 22-2. No. 2 connecting rod; 22-3. Adjusting ring; 23. Protective cover; 23-1 sliding groove; 24. Rubber ring. Detailed Implementation

[0039] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0040] The specific implementation method adopts the following technical solution:

[0041] Please see Figure 1-7 This embodiment includes a nozzle body 1 and a splash plate 2; the splash plate 2 is provided below the nozzle body 1;

[0042] It also includes:

[0043] Vacuum tube 3, which is connected through to the upper end of nozzle body 1;

[0044] A connecting pipe 4 is connected through the right side of the annular wall of the vacuum tube 3; a baffle 5 is provided inside the connecting pipe 4, the baffle 5 is installed inside the connecting pipe 4, and the annular wall of the baffle 5 has an arc-shaped structure; a first rotating shaft 6 is fixed to the upper end of the baffle 5, and the first rotating shaft 6 is screwed onto the connecting pipe 4 through a sealed bearing; a leak-proof mechanism 7 is provided on both the left and right sides of the baffle 5, the leak-proof mechanism 7 comprising:

[0045] Leak-proof ring 7-1, wherein the leak-proof ring 7-1 is fitted to the ring wall of the baffle 5; the first rotating shaft 6 is movably inserted into the leak-proof ring 7-1;

[0046] Fixing plate 7-2, there are two fixing plates 7-2, and they are respectively located on the outside of the leak-proof ring 7-1. The fixing plates 7-2 are fixed inside the connecting pipe 4.

[0047] Spring 7-3, there are two springs 7-3, and they are respectively fixed between the fixing plate 7-2 and the leak-proof ring 7-1;

[0048] There are two No. 1 limiting tubes 7-4, and they are fixed on the anti-leakage ring 7-1 respectively.

[0049] There are two No. 1 limiting rods 7-5, which are movably inserted into the No. 1 limiting tube 7-4 respectively, and the No. 1 limiting rods 7-5 are fixed on the fixing plate 7-2.

[0050] The rotating motor 8 has its output shaft connected to the first rotating shaft 6; the rotating motor 8 is connected to an external power source; the specific model of the rotating motor 8 is purchased and installed directly from the market according to actual usage requirements; the rotating motor 8 is fixed to the connecting pipe 4 by a bracket.

[0051] The second rotating shaft 9 is screwed onto the connecting pipe 4 via a bearing. The second rotating shaft 9 is located to the left of the first rotating shaft 6. A first gear 10 is fixedly mounted on the first rotating shaft 6, and a second gear 11 is fixedly mounted on the second rotating shaft 9. The first gear 10 and the second gear 11 are meshed together.

[0052] The screw 12 is screwed into the vacuum tube 3 via a bearing; a third gear 13 is fixedly fitted onto the screw 12; a fourth gear 14 is fixedly fitted onto the upper end of the second rotating shaft 9; a rack 15 is meshed on the front side of the fourth gear 14; a through hole is opened on the right side of the annular wall of the vacuum tube 3; the rack 15 is movably inserted into the through hole; a slide bar 16 is welded and fixed to the front side wall of the rack 15; the slide bar 16 is movably locked in the through hole.

[0053] Internally threaded tube 17, wherein the internally threaded tube 17 is threadedly fitted onto the lower part of the screw 12;

[0054] The connecting plate 18 is movably installed inside the vacuum tube 3; a piston 19 is glued and fixed to the bottom of the connecting plate 18; two second-level limiting tubes 20 are fixed on the connecting plate 18, and a second-level limiting rod 21 is movably inserted inside the second-level limiting tube 20, and the second-level limiting rod 21 is fixed to the inner top plate of the vacuum tube 3.

[0055] An adjustment mechanism 22 is mounted on the second rotating shaft 9 and connected to the splash plate 2; the adjustment mechanism 22 includes:

[0056] Connecting rod 22-1, which is a U-shaped structure, is fixed to the splash plate 2;

[0057] There are two connecting rods 22-2, which are fixed to the two upper ends of the first connecting rod 22-1 respectively. The connecting rods 22-2 are L-shaped.

[0058] Adjusting ring 22-3 is fixed to the inner ends of the two second connecting rods 22-2, and the adjusting ring 22-3 is screwed onto the second rotating shaft 9;

[0059] The protective cover 23 is fixed to the right side of the annular wall of the vacuum tube 3. The connecting tube 4 is inserted and fixed inside the protective cover 23. Two sliding grooves 23-1 are opened on the protective cover 23. The second connecting rod 22-2 is movably inserted into the sliding groove 23-1.

[0060] The rubber ring 24 is glued to the bottom of the nozzle body 1, and the angle of the inner ring of the rubber ring 24 is set to be consistent with the angle of the splash plate 2.

[0061] When using this utility model, start the rotating motor 8, the first rotating shaft 6 rotates, which drives the baffle 5 to rotate, so that water can flow through. When the baffle 5 rotates, the anti-leak ring 7-1 is pushed outward. When the nozzle body 1 is closed, start the rotating motor 8 to rotate the baffle 5 to close the anti-leak ring 7-1. Under the action of the spring 7-3, the anti-leak ring 7-1 is made to stick to the baffle 5 to prevent water leakage.

[0062] When the first rotating shaft 6 rotates, the first gear 10 rotates, driving the second gear 11 to rotate, which in turn drives the second rotating shaft 9 to rotate, driving the fourth gear 14 to rotate, causing the rack 15 to move and mesh with the third gear 13, which in turn drives the screw 12 to rotate. Under the action of the second limiting rod 21 and the second limiting tube 20, the connecting plate 18 and the piston 19 rise, forming a negative pressure to prevent the liquid in the nozzle body 1 from dripping.

[0063] When the second rotating shaft 9 rotates, the adjusting ring 22-3 rises under the action of the thread, which drives the first connecting rod 22-1 and the second connecting rod 22-2 to rise, causing the splash plate 2 to be plugged into the nozzle body 1, further playing a role in preventing leakage.

[0064] Compared with the prior art, the beneficial effects of this utility model are:

[0065] 1. A baffle plate 5 is provided. When the first rotating shaft 6 rotates, it drives the baffle plate 5 to rotate, forming a blockage at the nozzle body 1, reducing the residue of liquid in the nozzle body 1 and reducing leakage.

[0066] 2. A leak-proof mechanism 7 is provided. When the nozzle body 1 is closed, the rotating motor 8 is started to rotate the baffle 5 to close the leak-proof ring 7-1. Under the action of the spring 7-3, the leak-proof ring 7-1 is made to stick to the baffle 5 to further prevent water leakage.

[0067] 3. Equipped with vacuum tube 3 and piston 19, when the first rotating shaft 6 rotates, the first gear 10 rotates, driving the second gear 11 to rotate, which in turn drives the second rotating shaft 9 to rotate, driving the fourth gear 14 to rotate, causing the rack 15 to move and mesh with the third gear 13, driving the screw 12 to rotate. Under the action of the second limiting rod 21 and the second limiting tube 20, the connecting plate 18 and piston 19 rise, forming a negative pressure to prevent liquid from dripping from the nozzle body 1.

[0068] 4. The splash plate 2 can be raised and installed inside the nozzle body 1 to further prevent leakage.

[0069] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A drip-proof nozzle assembly for a semi-automatic sprinkler truck, comprising a nozzle body (1) and a splash plate (2); the splash plate (2) is provided below the nozzle body (1). Its features are, It also includes: Vacuum tube (3), wherein the vacuum tube (3) is connected through to the upper end of the nozzle body (1); A connecting pipe (4) is connected through the right side of the annular wall of the vacuum tube (3); a baffle (5) is provided inside the connecting pipe (4), the baffle (5) is plugged inside the connecting pipe (4), and the annular wall of the baffle (5) is an arc-shaped structure; a first rotating shaft (6) is fixed at the upper end of the baffle (5), and the first rotating shaft (6) is screwed onto the connecting pipe (4) through a sealed bearing; a leak-proof mechanism (7) is provided on both the left and right sides of the baffle (5). Rotary motor (8), the output shaft of which is connected to the first rotating shaft (6); Rotary motor (8) is connected to an external power source; Rotary motor (8) is fixed on the connecting pipe (4) by a bracket; The second rotating shaft (9) is screwed onto the connecting pipe (4) via a bearing. The second rotating shaft (9) is located to the left of the first rotating shaft (6). A first gear (10) is fixedly mounted on the first rotating shaft (6), and a second gear (11) is fixedly mounted on the second rotating shaft (9). The first gear (10) and the second gear (11) are meshed together. The screw (12) is screwed into the vacuum tube (3) through a bearing; a No. 3 gear (13) is fixedly mounted on the screw (12), and a No. 4 gear (14) is fixedly mounted on the upper end of the No. 2 rotating shaft (9). A rack (15) is meshed on the front side of the No. 4 gear (14), and a through hole is opened on the right side of the annular wall of the vacuum tube (3). The rack (15) is movably inserted into the through hole. The internally threaded tube (17) is threadedly fitted onto the lower part of the screw (12); A connecting plate (18) is movably installed inside the vacuum tube (3); a piston (19) is fixed at the bottom of the connecting plate (18); two second-order limiting tubes (20) are fixed on the connecting plate (18), and a second-order limiting rod (21) is movably inserted inside the second-order limiting tube (20), and the second-order limiting rod (21) is fixed on the inner top plate of the vacuum tube (3); Adjustment mechanism (22) is set on the second rotating shaft (9) and is connected to the splash plate (2).

2. The anti-drip nozzle assembly for a semi-automatic sprinkler truck according to claim 1, characterized in that: The leak-proof mechanism (7) includes: Leak-proof ring (7-1), wherein the leak-proof ring (7-1) is fitted to the ring wall of the baffle (5); the first rotating shaft (6) is movably inserted on the leak-proof ring (7-1); Fixing plate (7-2), there are two fixing plates (7-2), and they are respectively located on the outside of the leak-proof ring (7-1). The fixing plates (7-2) are fixed inside the connecting pipe (4); Spring (7-3), there are two springs (7-3), and they are respectively fixed between the fixing plate (7-2) and the leak-proof ring (7-1); Two No. 1 limiting tubes (7-4) are provided, and each is fixed on a leak-proof ring (7-1). There are two No. 1 limiting rods (7-5), which are movably inserted into the No. 1 limiting tube (7-4) and fixed on the fixing plate (7-2).

3. The anti-drip nozzle assembly for a semi-automatic sprinkler truck according to claim 1, characterized in that: The rack (15) is fixed to the slide bar (16) on the front side wall, and the slide bar (16) is movably locked in the through hole.

4. The anti-drip nozzle assembly for a semi-automatic sprinkler truck according to claim 1, characterized in that: The adjustment mechanism (22) includes: The first connecting rod (22-1) is a "U" shaped structure and is fixed to the splash plate (2); There are two connecting rods (22-2), which are fixed to the two upper ends of the first connecting rod (22-1) respectively. The second connecting rod (22-2) has an "L" shaped structure. Adjusting ring (22-3) is fixed to the inner end of the two second connecting rods (22-2) and is threaded onto the second rotating shaft (9).

5. The anti-drip nozzle assembly for a semi-automatic sprinkler truck according to claim 4, characterized in that: The protective cover (23) is fixed on the right side of the ring wall of the vacuum tube (3), and the connecting tube (4) is inserted and fixed inside the protective cover (23). Two sliding grooves (23-1) are opened on the protective cover (23), and the second connecting rod (22-2) is movably inserted into the sliding groove (23-1).

6. The anti-drip nozzle assembly for a semi-automatic sprinkler truck according to claim 1, characterized in that: The rubber ring (24) is fixed to the bottom of the nozzle body (1), and the angle of the inner ring of the rubber ring (24) is set in the same way as the angle of the splash plate (2).

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