Pressure-resistant spraying device

Abstract

The utility model discloses a pressure-resistant spraying device, which comprises a kettle body structure, the outer wall of the spray head structure is in threaded connection with the inner wall of the kettle body structure; the spray head structure comprises a water spray head, and the inner wall of the water spray head is fixedly connected with an inflator and a water outlet hose. According to the device, a can body structure, a spray head structure, a can sleeve and a sprinkling can are connected through cooperation of an L-shaped sliding groove and a sliding block, the overall strength of the sprinkling can is enhanced, a threaded pressing rod is in threaded connection with the inner wall of the sprinkling can, a threaded sleeve is in threaded connection with the outer wall of the sprinkling can, double-threaded connection is achieved, meanwhile, a sealing ring is matched, and the connecting position is more stable; pressure relief is conducted by pulling the pull rod, excessive internal pressure is avoided, opening and closing reset of the trigger and the rubber pad can be achieved through the arrangement of the extrusion spring, connecting parts are reduced, operation is easy, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure-resistant spraying, in particular to a pressure-resistant spraying device. Background Art

[0002] With the continuous development of agriculture, gardening, industrial cleaning and other fields, the demand for spraying devices is increasing. For the convenience of use, a device such as a spray bottle that is convenient for spraying has been derived. However, traditional spray bottles often have some problems during use, such as insufficient pressure resistance. Under high pressure, the single bottle body structure is easily deformed and damaged, affecting the use effect and life. The connection is too simple, usually a single nozzle is connected to the bottle body with a thread. When the pressure is too high, leakage is likely to occur, resulting in waste of resources and environmental pollution. Moreover, during the disassembly process, due to the excessive internal pressure, the nozzle structure may be blown off by the internal gas or damage the bottle body, causing injury to the user and posing a safety hazard. In addition, the operation of the traditional spray device is complicated, with many connecting parts. Multiple springs are often required on the trigger and pressure relief structure for opening and closing and resetting, which is costly. Utility Model Content

[0003] In view of the deficiencies of the prior art, the technical solution adopted by the utility model to solve its technical problems is: a pressure-resistant spraying device, comprising: a kettle body structure; a nozzle structure, the outer wall of the nozzle structure is threadedly connected to the inner wall of the kettle body structure; the nozzle structure comprises a water spray head, the inner wall of the water spray head is fixedly connected to an air pump and a water outlet hose, the inner wall of the side of the water spray head is rotatably connected to a trigger, the outer wall of the bottom of the water spray head is fixedly connected to a threaded pressure rod, the outer wall of the threaded pressure rod is slidably connected to a threaded sleeve, the inner wall of the bottom of the water spray head is slidably connected to a rubber pad, the outer wall of the top of the rubber pad is fixedly connected to a sliding rod, the outer wall of the sliding rod is slidably connected to a limiting ring, the outer wall of the sliding rod away from the rubber pad is fixedly connected to a pull rod, and the outer wall of the limiting ring is fixedly connected to an extrusion spring.

[0004] Preferably, the outer wall of the extrusion spring away from the limiting ring is fixedly connected to the outer wall of the rubber pad, the outer walls of the air pump and the sliding rod are slidably connected to the inner wall of the trigger, the outer wall of the top of the limiting ring is slidably connected to the outer wall of the bottom of the trigger, the air pump and the water outlet hose are arranged inside the threaded pressure rod, and the interior of the threaded pressure rod is communicated with the interior of the water spray head. The air pump drives the piston to move upward through the air pump rod. At this time, negative pressure is formed in the space below the piston, and the atmospheric pressure presses the air into the space below the piston. When the air pump rod is pressed downward, the air pump drives the piston to move downward, the air below the piston is compressed, and the pressure increases. When the pressure rises to a certain level, the air will push open the air pump. The one-way valve at the bottom of the cylinder enters the interior of the watering can. When the trigger is pressed, the inner wall of the trigger is connected to the inner wall of the sprinkler head through rotation, forming a lever principle, so that the other end of the trigger lifts the needle valve core on the needle valve in the sprinkler head, and the channel between the valve core and the valve seat is opened. The extrusion spring is compressed and stores force. When the trigger is released, the extrusion spring releases the elastic force and pushes the trigger to reset through the limit ring. At the same time, the valve core is also reset to close the water flow channel. Pull the pull rod to make the slide rod slide upward along the limit ring. The extrusion spring is compressed and stores force, separating the rubber pad at the bottom from the inner wall of the sprinkler head, opening the channel between the threaded pressure rod and the sprinkler head. Release the pull rod to reset the rubber pad through the extrusion spring to close the channel.

[0005] Preferably, the pot body structure includes a pot cover, the outer wall of the pot cover is symmetrically fixedly connected with a handle, the inner wall of the pot cover is symmetrically provided with an L-shaped groove, the inner wall of the L-shaped groove is slidably connected with a slider, the outer wall of the slider is fixedly connected with a watering can, the outer wall of the watering can is symmetrically fixedly connected with a pull plate, the outer wall of the top of the watering can is fixedly connected with a sealing ring, and the outer wall of the bottom of the watering can is provided with a groove.

[0006] Preferably, the inner wall of the pot cover is slidably connected to the outer wall of the watering can, and the watering can is slid into the pot cover, and the slider on the watering can slides along the L-shaped groove on the inner wall of the pot cover. When the slider slides to the bottom of the L-shaped groove, the handle and the pull plate are pushed in the opposite direction, so that the slider is stuck in the horizontal part of the L-shaped groove, thereby fixing the watering can in the pot cover.

[0007] Preferably, the inner wall of the threaded sleeve is threadedly connected to the outer wall of the spray pot, the outer wall of the threaded pressure rod is threadedly connected to the inner wall of the spray pot, the outer wall of the threaded pressure rod is in contact with the outer wall of the sealing ring, the air pump and the water outlet hose are arranged inside the spray pot, and are threadedly connected to the inner wall of the spray pot through the outer wall of the threaded pressure rod at the bottom of the water spray head, and the outer wall of the threaded pressure rod is in contact with the sealing ring on the outer wall of the top of the spray pot and is squeezed to increase the sealing of the connection, and at the same time, the threaded sleeve is slid downward along the threaded pressure rod and threadedly connected to the outer wall of the spray pot.

[0008] The beneficial effects of the utility model are as follows:

[0009] 1. The utility model sets up a pot body structure, and the pot cover and the watering pot are connected to each other through the cooperation of the L-shaped slide groove and the slider. The installation and disassembly are convenient and quick, and the maintenance or cleaning of the watering pot is convenient. At the same time, the overall strength of the watering pot is enhanced, and the pressure resistance of the device is improved, so that it can work stably under higher pressure and is not easy to be damaged. The groove design at the bottom of the watering pot makes the watering pot itself have a certain pressure resistance, further improving the pressure resistance of the pot body structure, ensuring safety and reliability during use.

[0010] 2. The utility model realizes a double-threaded connection by setting a nozzle structure, a threaded pressure rod and a threaded connection between the inner wall of the spray pot, and a threaded sleeve and a threaded connection between the outer wall of the spray pot. At the same time, a sealing ring is used to make the connection more stable, the installation is firm, and the disassembly is also relatively easy. When the pot body structure and the nozzle structure need to be disassembled, the pressure can be released by pulling the pull rod to avoid excessive internal pressure causing the nozzle structure to be ejected or damage to the pot body during the disassembly process, effectively protecting the safety of the device and the user, and through the setting of an extrusion spring, the opening and closing of the trigger and the rubber pad can be reset, reducing connecting parts, making the operation simple and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the main view of the utility model;

[0012] Figure 2 It is a structural diagram of the threaded sleeve of the utility model;

[0013] Figure 3 This utility model Figure 2 Schematic diagram of the structure at A;

[0014] Figure 4 It is a structural diagram of the kettle body structure of the utility model;

[0015] Figure 5 It is a structural diagram of the nozzle structure of the utility model;

[0016] Figure 6 It is a structural diagram of the utility model water sprinkler head;

[0017] Figure 7 It is a structural diagram of the extrusion spring of the utility model.

[0018] In the figure: 1. Pot body structure; 11. Pot cover; 12. Handle; 13. L-shaped slide; 14. Slider; 15. Spray pot; 16. Pull plate; 17. Sealing ring; 18. Groove; 2. Spray head structure; 21. Spray head; 22. Air pump; 23. Water outlet hose; 24. Trigger; 25. Threaded pressure rod; 26. Threaded sleeve; 27. Rubber pad; 271. Slide rod; 272. Limiting ring; 273. Pull rod; 274. Extrusion spring. DETAILED DESCRIPTION

[0019] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

[0020] Example:

[0021] See also Figure 1 - Figure 7 The utility model provides a technical solution: a pressure-resistant spraying device, comprising: a pot body structure 1; a nozzle structure 2, the outer wall of the nozzle structure 2 is threadedly connected to the inner wall of the pot body structure 1; the nozzle structure 2 includes a water spray head 21, the inner wall of the water spray head 21 is fixedly connected to an air pump 22 and a water outlet hose 23, the inner wall of the side of the water spray head 21 is rotatably connected to a trigger 24, the outer wall of the bottom of the water spray head 21 is fixedly connected to a threaded pressure rod 25, the outer wall of the threaded pressure rod 25 is slidably connected to a threaded sleeve 26, the inner wall of the bottom of the water spray head 21 is slidably connected to a rubber pad 27, the outer wall of the top of the rubber pad 27 is fixedly connected to a sliding rod 271, the outer wall of the sliding rod 271 is slidably connected to a limiting ring 272, the outer wall of the sliding rod 271 away from the rubber pad 27 is fixedly connected to a pull rod 273, and the outer wall of the limiting ring 272 is fixedly connected to an extrusion spring 274.

[0022] The outer wall of the extrusion spring 274 away from the limit ring 272 is fixedly connected to the outer wall of the rubber pad 27, the outer walls of the air pump 22 and the slide rod 271 are slidably connected to the inner wall of the trigger 24, the outer wall of the top of the limit ring 272 is slidably connected to the outer wall of the bottom of the trigger 24, the air pump 22 and the water outlet hose 23 are arranged inside the threaded pressure rod 25, and the interior of the threaded pressure rod 25 is connected to the interior of the water spray head 21. The air pump 22 drives the piston upward through the air pump rod. At this time, the space below the piston forms a negative pressure, and the atmospheric pressure presses the air into the space below the piston. When the air pump rod is pressed downward, the air pump drives the piston downward, the air below the piston is compressed, and the pressure increases. When the pressure rises to a certain level, the air will push open the one-way valve at the bottom of the air pump and enter the interior of the spray pot, and the trigger is released. When 24 is pressed, the inner wall of the trigger 24 is rotationally connected to the inner wall of the sprinkler head 21, forming a lever principle, so that the other end of the trigger 24 lifts the needle valve core on the needle valve in the sprinkler head 21, and the channel between the valve core and the valve seat is opened. The extrusion spring 274 is compressed and stored. When the trigger 24 is released, the extrusion spring 274 releases its elastic force and pushes the trigger 24 to reset through the limit ring 272. At the same time, the valve core is also reset, closing the water flow channel. Pulling the pull rod 273 causes the slide rod 271 to slide upward along the limit ring 272. The extrusion spring 274 is compressed and stored, separating the rubber pad 27 at the bottom from the inner wall of the sprinkler head 21, opening the channel between the threaded pressure rod 25 and the sprinkler head 21, and releasing the pull rod 273. The rubber pad 27 is reset by the extrusion spring 274, closing the channel.

[0023] The pot body structure 1 includes a pot cover 11, the outer wall of the pot cover 11 is symmetrically fixedly connected to a handle 12, the inner wall of the pot cover 11 is symmetrically provided with an L-shaped slide groove 13, the inner wall of the L-shaped slide groove 13 is slidably connected to a slider 14, the outer wall of the slider 14 is fixedly connected to a spray pot 15, the outer wall of the spray pot 15 is symmetrically fixedly connected to a pull plate 16, the outer wall of the top of the spray pot 15 is fixedly connected to a sealing ring 17, and the outer wall of the bottom of the spray pot 15 is provided with a groove 18.

[0024] The inner wall of the pot cover 11 is slidably connected to the outer wall of the spray pot 15, and the spray pot 15 is slid into the pot cover 11. The slider 14 on the spray pot 15 slides along the L-shaped groove 13 on the inner wall of the pot cover 11. When the slider 14 slides to the bottom of the L-shaped groove 13, it pushes the handle 12 and the pull plate 16 in the opposite direction, so that the slider 14 is stuck in the horizontal part of the L-shaped groove 13, thereby fixing the spray pot 15 in the pot cover 11.

[0025] The inner wall of the threaded sleeve 26 is threadedly connected to the outer wall of the spray pot 15, the outer wall of the threaded pressure rod 25 is threadedly connected to the inner wall of the spray pot 15, the outer wall of the threaded pressure rod 25 is in contact with the outer wall of the sealing ring 17, the air pump 22 and the water outlet hose 23 are arranged inside the spray pot 15, and the outer wall of the threaded pressure rod 25 at the bottom of the water spray head 21 is threadedly connected to the inner wall of the spray pot 15, and the outer wall of the threaded pressure rod 25 is in contact with the sealing ring 17 on the outer wall of the top of the spray pot 15, and is squeezed to increase the sealing of the connection. At the same time, the threaded sleeve 26 is slid downward along the threaded pressure rod 25 and is threadedly connected to the outer wall of the spray pot 15.

[0026] Working principle: When the spraying device needs to be used, the pot body structure 1 is first installed, and the spray pot 15 is slid into the pot sleeve 11. The slider 14 on the spray pot 15 slides along the L-shaped groove 13 on the inner wall of the pot sleeve 11. When the slider 14 slides to the bottom of the L-shaped groove 13, the handle 12 and the pull plate 16 are pushed in the opposite direction, so that the slider 14 is stuck in the horizontal part of the L-shaped groove 13, thereby fixing the spray pot 15 in the pot sleeve 11. The connection between the pot sleeve 11 and the spray pot 15 enhances the overall strength of the spray pot 15. At the same time, the groove 18 at the bottom of the spray pot 15 also makes the spray pot 15 itself have a certain degree of pressure resistance, making the pot body structure 1 more pressure-resistant. When the spray pot 15 needs to be maintained or cleaned, the spray pot 15 is rotated in the opposite direction to slide the slider 14 out of the horizontal part of the L-shaped groove 13, and then the spray pot 15 is removed from the pot sleeve 11. The pull plate 16 allows for convenient operation of the spray pot 15.

[0027] After the pot body structure 1 is installed, the liquid to be sprayed is poured into the pot mouth at the top of the spray pot 15, and then the air pump 22 and the water outlet hose 23 on the nozzle structure 2 are placed into the spray pot 15, and then the outer wall of the threaded pressure rod 25 at the bottom of the water spray head 21 is threadedly connected to the inner wall of the spray pot 15, and the outer wall of the threaded pressure rod 25 contacts the sealing ring 17 on the outer wall of the top of the spray pot 15 and is squeezed to increase the sealing of the connection. At the same time, the threaded sleeve 26 is slid downward along the threaded pressure rod 25 and threadedly connected to the outer wall of the spray pot 15. The double threaded connection between the spray pot 15 and the threaded pressure rod 25 and the threaded sleeve 26 makes the connection more stable, avoiding deformation of the pot mouth connection caused by excessive internal pressure.

[0028] After installation, air is pumped into the spray bottle 15 through the air pump 22 to increase the pressure in the spray bottle 15. When water needs to be sprayed, when the trigger 24 is pressed, the inner wall of the trigger 24 is rotated and connected with the inner wall of the water spray head 21, forming a lever principle, so that the other end of the trigger 24 lifts the needle valve core on the needle valve in the water spray head 21. At this time, the liquid in the bottle is squeezed into the water outlet hose 23 by the pressure in the bottle, and the water flows through the water outlet hose 23 and is squeezed into the needle valve, and then flows out through the gap between the valve core and the valve seat, and is sprayed through the nozzle on the water spray head 21. At the same time, the bottom of one end is pressed to slide downward along the slide rod 271 through the limit ring 272, and the extrusion spring 274 is compressed and stored. When the trigger 24 is released, the extrusion spring 274 releases its elastic force and passes through the limit ring 272 pushes the trigger 24 to reset, and the valve core is also reset at the same time, so that the water flow channel is closed and water stops flowing. When the kettle body structure 1 and the nozzle structure 2 need to be disassembled, in order to avoid excessive internal pressure and the nozzle structure 2 being pushed away by the internal pressure during the disassembly process, or the kettle body being damaged due to excessive pressure in the bottle, the pull rod 273 can be pulled to make the slide rod 271 slide upward along the limit ring 272, and the extrusion spring 274 is compressed and stored to separate the rubber pad 27 at the bottom from the inner wall of the water head 21, opening the channel and relieving the pressure in the spray pot 15, so that the pressure inside and outside the spray pot 15 is consistent, and the pull rod 273 is released, and the rubber pad 27 is reset by the extrusion spring 274 to close the channel, which can effectively avoid damage to the spray pot 15 due to internal pressure.

[0029] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making any creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in this utility model shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.

Claims

1. A pressure-resistant spraying device, characterized in that: include: Pot body structure (1); A nozzle structure (2), wherein the outer wall of the nozzle structure (2) is threadedly connected to the inner wall of the kettle body structure (1); The nozzle structure (2) comprises a water spray head (21), the inner wall of the water spray head (21) is fixedly connected to an air pump (22) and a water outlet hose (23), the inner wall of the side of the water spray head (21) is rotatably connected to a trigger (24), the outer wall of the bottom of the water spray head (21) is fixedly connected to a threaded pressure rod (25), the outer wall of the threaded pressure rod (25) is slidably connected to a threaded sleeve (26), the inner wall of the bottom of the water spray head (21) is slidably connected to a rubber pad (27), the outer wall of the top of the rubber pad (27) is fixedly connected to a sliding rod (271), the outer wall of the sliding rod (271) is slidably connected to a limiting ring (272), the outer wall of the sliding rod (271) away from the rubber pad (27) is fixedly connected to a pull rod (273), and the outer wall of the limiting ring (272) is fixedly connected to an extrusion spring (274).

2. A pressure-resistant spraying device according to claim 1, characterized in that: The outer wall of the extrusion spring (274) away from the limiting ring (272) is fixedly connected to the outer wall of the rubber pad (27), the outer walls of the air pump (22) and the slide rod (271) are slidably connected to the inner wall of the trigger (24), and the outer wall of the top of the limiting ring (272) is slidably connected to the outer wall of the bottom of the trigger (24).

3. A pressure-resistant spraying device according to claim 1, characterized in that: The pot body structure (1) comprises a pot cover (11), the outer wall of the pot cover (11) is symmetrically fixedly connected with a handle (12), the inner wall of the pot cover (11) is symmetrically provided with an L-shaped sliding groove (13), the inner wall of the L-shaped sliding groove (13) is slidably connected with a slider (14), the outer wall of the slider (14) is fixedly connected with a watering pot (15), the outer wall of the watering pot (15) is symmetrically fixedly connected with a pull plate (16), the outer wall of the top of the watering pot (15) is fixedly connected with a sealing ring (17), and the outer wall of the bottom of the watering pot (15) is provided with a groove (18).

4. A pressure-resistant spraying device according to claim 3, characterized in that: The inner wall of the pot sleeve (11) is slidably connected to the outer wall of the spray pot (15).

5. A pressure-resistant spraying device according to claim 1, characterized in that: The inner wall of the threaded sleeve (26) is threadedly connected to the outer wall of the spray pot (15), the outer wall of the threaded pressure rod (25) is threadedly connected to the inner wall of the spray pot (15), and the outer wall of the threaded pressure rod (25) contacts the outer wall of the sealing ring (17).

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