Double-spring atomizing pump with good atomizing effect

Abstract

The utility model relates to the technical field of atomizing pumps, in particular to a double-spring atomizing pump with a good atomizing effect, which comprises a liquid inlet pipeline, and the upper end of the liquid inlet pipeline is communicated with a pump body. During use, the upper pump rod is pressed to move downwards, the main spring, the piston and the lower pump rod are driven to move downwards, the auxiliary spring is compressed, gas in the pump chamber is compressed, and when the piston is in contact with the second limit to stop moving, the upper pump rod is continuously pressed to drive the lower pump rod to continuously move downwards, a gap is formed between the piston and the lower pump rod, and due to the action of air pressure, the gas in the pump chamber is compressed. The one-way plug extrudes the first spring to move upwards, a gap is formed between the one-way plug and the pump chamber, and liquid enters the pump chamber after entering the liquid inlet pipeline from the liquid storage box under the action of air pressure, enters the liquid flowing channel of the upper pump rod through a hole groove in the lower end of the upper pump rod and is sprayed out through the spraying opening. And the pump body and the liquid inlet pipeline are completely sealed, so that the effect of more stable spraying is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spray pumps, in particular to a double-spring spray pump with good spray effect. Background Art

[0002] A double-spring spray pump is a device that uses the synergistic action of two springs to achieve liquid atomization and spraying. It usually consists of a pump body, a piston, two springs with different elastic coefficients (generally divided into a main spring and an auxiliary spring), a straw, a nozzle and other main components.

[0003] Currently, most double-spring spray pumps use a pump ball to control the opening and closing of the liquid inlet. A search revealed a Chinese utility model patent publication numbered CN214487451U, which discloses a double-spring spray pump comprising a pump housing, a piston rod, a lower valve, a piston, an upper spring, a lower spring, and a steel ball. The pump housing comprises a pump chamber, a liquid inlet at the lower end of which the steel ball is positioned above the liquid inlet. The piston rod is disposed from top to bottom within the pump chamber and has a hollow passage extending vertically therethrough. The liquid inlet hole at the lower end of the hollow passage is located on the side of the piston rod. The lower end of the piston rod is provided with the lower valve. The piston and upper spring are sleeved around the outer circumference of the piston rod, and the upper spring utilizes its spring force to press the lower end of the piston against the upper end of the lower valve. The lower end of the lower spring abuts the lower end of the pump chamber, while the upper end of the lower spring abuts the lower end of the lower valve. The steel ball is positioned below the lower spring. The double-spring spray pump provided by this utility model delivers more stable liquid pumping and a more ideal spray effect.

[0004] However, the device lacks a one-way valve with strong sealing properties. Double-spring spray pumps are widely used and are also greatly affected by external factors. When the spray pump is subjected to vibration or temperature changes, the seal between the pump bead and the pump body is affected, resulting in unstable spray and even liquid leakage causing environmental pollution. Not only that, the device also lacks an anti-backflow function. At the end of use, the liquid directly flows back to the liquid storage tank, which may contaminate the unused liquid in the entire liquid storage tank. Utility Model Content

[0005] The purpose of the utility model is to provide a double-spring spray pump with good spray effect, so as to solve the problems raised in the above background technology.

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

[0007] A double-spring spray pump with good spray effect includes a liquid inlet pipe, the upper end of the liquid inlet pipe is connected to a pump body, a pump chamber is opened inside the pump body, the pump body is slidably connected to a one-way plug near the inner wall of the liquid inlet pipe, the upper surface of the one-way plug is fixedly connected to a spring 1, the top end of the spring 1 is fixedly connected to a limiting ring, and the side of the limiting ring away from the axis is fixedly connected to the pump body.

[0008] Preferably, the upper surface of the limiting ring is fixedly connected to a secondary spring, the top of the secondary spring is fixedly connected to a lower pump rod, the outer surface of the lower pump rod is rotatably connected to a piston, the inner wall of the lower pump rod is rotatably connected to an upper pump rod, the inner wall of the piston is rotatably connected to the upper pump rod, the upper surface of the piston is fixedly connected to a main spring, the upper pump rod is sleeved inside the main spring, and the outer surface of the upper pump rod is rotatably connected to the pump body.

[0009] Preferably, a hole groove is provided at one end of the upper pump rod close to the lower pump rod, and the three hole grooves are symmetrical about the upper pump rod. A liquid flow channel is provided inside the upper pump rod.

[0010] Preferably, the pump body includes pump body one, pump body two and pump body three, the bottom of pump body one is connected to pump body two, the bottom of pump body two is connected to pump body three, the pump body one is fixedly connected with a first limiter near the inner wall of pump body two, the pump body two is fixedly connected with a second limiter near the inner wall of pump body three, and the pump body three is fixedly connected with a third limiter near the inner wall of the liquid inlet pipe.

[0011] Preferably, the third limiting outer surface is slidably connected to a one-way plug, and the one-way plug is in a contracted shape from a side close to the spring one to a side away from the spring one.

[0012] Preferably, the liquid inlet pipe is U-shaped from one end close to the pump body to one end away from the pump body.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. This double-spring spray pump with good spray effect is set by the one-way plug and spring 1. When in use, press the upper pump rod to make it move downward, driving the main spring, piston and lower pump rod to move downward, compressing the secondary spring, and the gas in the pump chamber is compressed. When the piston contacts the second limit and stops moving, continue to press the upper pump rod, driving the lower pump rod to continue to move downward. At this time, a gap is generated between the piston and the lower pump rod. Due to the action of air pressure, the one-way plug squeezes spring 1 to move upward, and a gap is generated between the one-way plug and the pump chamber. Under the action of air pressure, the liquid enters the liquid inlet pipe from the liquid storage tank and then enters the pump chamber, enters the liquid flow channel of the upper pump rod through the hole groove at the lower end of the upper pump rod, and is sprayed out through the nozzle. When the air pressure is restored, spring 1 pushes the one-way plug back into place and presses against the one-way plug to ensure that the pump body and the liquid inlet pipe are completely sealed, thereby achieving a more stable spray effect.

[0015] 2. This double-spring spray pump has a good spray effect. Through the setting of the liquid inlet pipe, when the air pressure is restored, the liquid flows back to the U-shaped liquid inlet pipe. Due to the action of gravity, it stays in the liquid inlet pipe and will not flow back to the liquid storage tank, thereby achieving the effect of preventing liquid backflow from contaminating the liquid in the liquid storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation of the one-way plug and the limiting ring of the utility model;

[0019] Figure 4 It is a cross-sectional schematic diagram of the pump body of the utility model;

[0020] Figure 5 This is a schematic diagram of the disassembly of the lower pump rod and the upper pump rod of the utility model;

[0021] Figure 6 This is a schematic diagram of the disassembly of the lower pump rod and piston of the utility model.

[0022] In the figure: 1. Liquid inlet pipe; 2. Pump body; 3. Pump chamber; 4. One-way plug; 5. Spring 1; 6. Limit ring; 7. Auxiliary spring; 8. Lower pump rod; 9. Piston; 10. Upper pump rod; 11. Main spring; 12. Hole groove; 13. Liquid flow channel; 14. Pump body 1; 15. Pump body 2; 16. Pump body 3; 17. First limit; 18. Second limit; 19. Third limit. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-6 As shown, the utility model provides a technical solution:

[0025] A double-spring spray pump with good spray effect includes a liquid inlet pipe 1, the upper end of the liquid inlet pipe 1 is connected to a pump body 2, a pump chamber 3 is opened inside the pump body 2, a one-way plug 4 is slidably connected to the inner wall of the pump body 2 near the liquid inlet pipe 1, a spring 5 is fixedly connected to the upper surface of the one-way plug 4, the top of the spring 5 is fixedly connected to a limiting ring 6, and the side of the limiting ring 6 away from the axis is fixedly connected to the pump body 2. When in use, the upper pump rod 10 is pressed to move it downward, and due to the action of air pressure, the one-way plug 4 squeezes the spring 5. 5 moves upward, and a gap is generated between the one-way plug 4 and the pump chamber 3. Under the action of air pressure, the liquid enters the liquid inlet pipe 1 from the liquid storage tank and then enters the pump chamber 3. The liquid enters the liquid flow channel 13 of the upper pump rod 10 through the hole groove 12 at the lower end of the upper pump rod 10 and is ejected through the nozzle. When the air pressure is restored, the spring 15 pushes the one-way plug 4 back to its original position and presses against the one-way plug 4. The one-way plug 4 is pushed by the spring 15 to tightly block the liquid inlet pipe 1, thereby ensuring the sealing of the pump chamber 3 and ensuring uniform flow, making the spray more stable and the effect better.

[0026] In this embodiment, preferably, the upper surface of the limiting ring 6 is fixedly connected to the auxiliary spring 7, the top of the auxiliary spring 7 is fixedly connected to the lower pump rod 8, the outer surface of the lower pump rod 8 is rotatably connected to the piston 9, the inner wall of the lower pump rod 8 is rotatably connected to the upper pump rod 10, the inner wall of the piston 9 is rotatably connected to the upper pump rod 10, the upper surface of the piston 9 is fixedly connected to the main spring 11, the upper pump rod 10 is sleeved inside the main spring 11, and the outer surface of the upper pump rod 10 is rotatably connected to the pump body 2, pressing the upper pump rod 10 to make it move downward, driving the main spring 11 to move downward, driving the piston 9 to The downward movement drives the lower pump rod 8 to move downward, compressing the auxiliary spring 7 downward, and the gas in the pump chamber 3 is compressed. When the piston 9 contacts the second limit 18 to stop moving, it continues to press the upper pump rod 10, driving the lower pump rod 8 to continue to move downward. At this time, a gap is generated between the piston 9 and the lower pump rod 8. Due to the action of air pressure, the one-way plug 4 squeezes the spring 5 to move upward, and a gap is generated between the one-way plug 4 and the pump chamber 3. Under the action of air pressure, the liquid enters the liquid inlet pipe 1 from the liquid storage tank and then enters the pump chamber 3. The double spring setting can better control the pressure changes in the pump body 2.

[0027] In this embodiment, preferably, a hole groove 12 is opened at one end of the upper pump rod 10 close to the lower pump rod 8, and the three hole grooves 12 are symmetrical about the upper pump rod 10. A liquid flow channel 13 is opened inside the upper pump rod 10. When in use, the liquid enters the liquid inlet pipe 1 from the liquid storage tank under the action of air pressure and then enters the pump chamber 3, enters the liquid flow channel 13 of the upper pump rod 10 through the hole groove 12 at the lower end of the upper pump rod 10, and is then sprayed out through the nozzle. The hole groove 12 is opened at the lower end of the upper pump rod 10, and the liquid flow channel 13 is opened inside to ensure that the liquid is sprayed out smoothly.

[0028] In this embodiment, preferably, the pump body 2 includes a pump body 14, a pump body 2 15 and a pump body 3 16. The bottom of the pump body 14 is connected to the pump body 2 15, and the bottom of the pump body 2 15 is connected to the pump body 3 16. The inner wall of the pump body 14 near the pump body 2 15 is fixedly connected with a first limit 17, the inner wall of the pump body 2 15 near the pump body 3 16 is fixedly connected with a second limit 18, and the inner wall of the pump body 3 16 near the liquid inlet pipe 1 is fixedly connected with a third limit 19. When in use, when the piston 9 contacts the second limit 18 and stops moving, Continue to press the upper pump rod 10 to drive the lower pump rod 8 to continue to move downward. At this time, a gap is generated between the piston 9 and the lower pump rod 8. Due to the action of air pressure, the one-way plug 4 squeezes the spring 5 to move upward, and a gap is generated between the one-way plug 4 and the pump chamber 3. Under the action of air pressure, the liquid enters the liquid inlet pipe 1 from the liquid storage tank and then enters the pump chamber 3. The second limit 18 limits the downward movement limit of the piston 9, ensuring that the movement path of the upper pump rod 10, the piston 9 and the lower pump rod 8 is fixed, thereby ensuring that the air pressure inside the pump body 2 changes stably, completing liquid suction and liquid spraying.

[0029] In this embodiment, preferably, the outer surface of the third limit 19 is slidably connected with a one-way plug 4, and the one-way plug 4 is in a contracted shape from the side close to the spring 15 to the side away from the spring 15. The third limit 19 limits the downward movement limit of the one-way plug 4. When in use, due to the action of air pressure, the one-way plug 4 squeezes the spring 5 to move upward, and the one-way plug 4 moves away from the third limit 19, creating a gap between the one-way plug 4 and the pump chamber 3. Under the action of air pressure, the liquid enters the liquid inlet pipe 1 from the liquid storage tank and then enters the pump chamber 3. When the air pressure is restored, the one-way plug 4 approaches the third limit 19, and the spring 5 pushes the one-way plug 4 back into place and presses against the one-way plug 4 to prevent it from moving.

[0030] In this embodiment, preferably, the liquid inlet pipe 1 is U-shaped from one end close to the pump body 2 to the end away from the pump body 2. During use, when the upper pump rod 10 is stopped being pressed, the air pressure in the pump chamber 3 is restored, and the liquid flows back to the U-shaped liquid inlet pipe 1. Due to the action of gravity, it stays in the liquid inlet pipe 1 and will not flow back to the liquid storage tank, thereby achieving the effect of preventing liquid reflux from contaminating the liquid in the liquid storage tank.

[0031] Working principle: When the double-spring spray pump with good spray effect of this embodiment is in use, the upper pump rod 10 is pressed to make it move downward, driving the main spring 11 to move downward, driving the piston 9 to move downward, driving the lower pump rod 8 to move downward, compressing the secondary spring 7 downward, and the gas in the pump chamber 3 is compressed. When the piston 9 contacts the second limit 18 to stop moving, the upper pump rod 10 is continued to be pressed, driving the lower pump rod 8 to continue to move downward. At this time, a gap is generated between the piston 9 and the lower pump rod 8. Due to the action of air pressure, the one-way plug 4 squeezes the spring 15 to move upward, and a gap is generated between the one-way plug 4 and the pump chamber 3. Under the action of air pressure, the liquid enters the liquid inlet pipe 1 from the liquid storage tank and then enters the pump chamber 3, enters the liquid flow channel 13 of the upper pump rod 10 through the hole groove 12 at the lower end of the upper pump rod 10, and is sprayed out through the nozzle. When the air pressure is restored, the spring 15 pushes the one-way plug 4 back to its position and presses against the one-way plug 4, and the remaining liquid flows back to the liquid inlet pipe 1.

[0032] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-spring spray pump with good spray effect, characterized by: The invention comprises a liquid inlet pipe (1), wherein the upper end of the liquid inlet pipe (1) is connected to a pump body (2), a pump chamber (3) is provided inside the pump body (2), a one-way plug (4) is slidably connected to the inner wall of the pump body (2) close to the liquid inlet pipe (1), a spring (5) is fixedly connected to the upper surface of the one-way plug (4), a top end of the spring (5) is fixedly connected to a limiting ring (6), and a side of the limiting ring (6) away from the axis is fixedly connected to the pump body (2); The upper surface of the limiting ring (6) is fixedly connected to a secondary spring (7), the top of the secondary spring (7) is fixedly connected to a lower pump rod (8), the outer surface of the lower pump rod (8) is rotatably connected to a piston (9), the inner wall of the lower pump rod (8) is rotatably connected to an upper pump rod (10), the inner wall of the piston (9) is rotatably connected to the upper pump rod (10), the upper surface of the piston (9) is fixedly connected to a main spring (11), the inner part of the main spring (11) is sleeved with the upper pump rod (10), and the outer surface of the upper pump rod (10) is rotatably connected to the pump body (2); The pump body (2) includes a pump body 1 (14), a pump body 2 (15) and a pump body 3 (16), wherein the bottom of the pump body 1 (14) is connected to the pump body 2 (15), and the bottom of the pump body 2 (15) is connected to the pump body 3 (16), the pump body 1 (14) is fixedly connected to a first limiter (17) near the inner wall of the pump body 2 (15), the pump body 2 (15) is fixedly connected to a second limiter (18) near the inner wall of the pump body 3 (16), and the pump body 3 (16) is fixedly connected to a third limiter (19) near the inner wall of the liquid inlet pipe (1); The liquid inlet pipe (1) is U-shaped from one end close to the pump body (2) to one end away from the pump body (2).

2. A double-spring spray pump with good spray effect according to claim 1, characterized in that: A hole groove (12) is provided at one end of the upper pump rod (10) close to the lower pump rod (8), and the three hole grooves (12) are symmetrical about the upper pump rod (10). A liquid flow channel (13) is provided inside the upper pump rod (10).

3. A double-spring spray pump with good spraying effect according to claim 1, characterized in that: The outer surface of the third limiter (19) is slidably connected to a one-way plug (4), and the one-way plug (4) is in a contracted shape from a side close to the spring one (5) to a side away from the spring one (5).

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