Pressure multiplication type multifunctional water pumping device

Abstract

The utility model provides a pressure multiplication type multifunctional water pumping device which comprises a cylinder body and an airflow source, the cylinder body is connected with a first piston and a second piston, the cylinder body is provided with an isolation seat between the first piston and the second piston, and the first piston and the second piston are connected through a piston rod; a first air chamber is formed between the side, back to the second piston, of the first piston and the cylinder body, a second air chamber is formed between the side, close to the second piston, of the first piston and the isolation base, a third air chamber is formed between the side, close to the first piston, of the second piston and the isolation base, and a water chamber is formed between the side, back to the first piston, of the second piston and the cylinder body. The control valve is arranged on the outer side of the cylinder body; the adjusting rod is adjustably inserted into the cylinder body and can abut against the first piston. The control valve comprises a first state and a second state; a water through hole is formed in the cylinder body, a filter screen is arranged in the water through hole, and a cleaning body is arranged at the tail end of the piston rod. The stroke of the air cylinder can be adjusted according to needs, and the impurity cleaning function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumping devices, in particular to a pressure multiplication type multifunctional water pumping device. Background Art

[0002] In pneumatic pumping devices, cylinders play an important role. Cylinders are a commonly used actuator that converts the power of compressed air into mechanical motion. Piston cylinders are the most common type, which use air pressure to push the piston to move in the cylinder barrel to produce linear motion. However, in different applications, the stroke requirements of the cylinder vary, so cylinders of various specifications are usually required. In addition, when some impurities are mixed into the water body of the pumping device, the water quality will be polluted and the long-term use of the pumping device will be affected. Therefore, it is very necessary to design a pumping device that can conveniently and flexibly adjust the cylinder stroke and clean up impurities in the water. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a pressure multiplier type multifunctional water pumping device, which can adjust the stroke of the cylinder as needed and has an impurity cleaning function.

[0004] The utility model adopts the following technical solutions:

[0005] A pressure multiplication type multifunctional water pumping device comprises a cylinder body and an air flow source, wherein the cylinder body is slidably and sealedly connected with a first piston and a second piston, the cylinder body is provided with an isolation seat between the first piston and the second piston, and the first piston and the second piston are connected through a piston rod; a first air chamber is formed between the side of the first piston facing away from the second piston and the cylinder body, a second air chamber is formed between the side of the first piston close to the second piston and the isolation seat, a third air chamber is formed between the side of the second piston close to the first piston and the isolation seat, and a water chamber is formed between the side of the second piston facing away from the first piston and the cylinder body;

[0006] It also includes an adjusting rod and a control valve arranged outside the cylinder body;

[0007] The adjusting rod is adjustably inserted into the cylinder body and can abut against the first piston;

[0008] The control valve includes a first state and a second state. When the control valve is in the first state, the second air chamber is connected to the airflow source. When the control valve is in the second state, the first air chamber, the third air chamber and the airflow source are connected. The cylinder body is provided with a water hole connected to the water chamber. A filter is provided in the water hole. A cleaning body is provided at the end of the piston rod, and the cleaning body acts on the filter.

[0009] Preferably, it also includes an air guide component, which includes a first air intake pipe, a second air intake pipe, a third air intake pipe, a bypass joint and an air guide pipe; the bypass joint connects the first air intake pipe and the third air intake pipe, the second air intake pipe is connected to a control valve, and the air guide pipe connects the bypass joint and the control valve.

[0010] Preferably, a first air inlet hole connecting the first air inlet pipe and the first air chamber is provided on the side wall of the first air chamber; a second air inlet hole connecting the second air inlet pipe and the second air chamber is provided on the side of the isolation seat close to the second air chamber; and a third air inlet hole connecting the third air inlet pipe and the third air chamber is provided on the side of the isolation seat close to the third air chamber.

[0011] Preferably, the cylinder body includes a first cover body, a second cover body, a first cylinder body, and a second cylinder body, the first cylinder body connects the first cover body and the isolation seat, the second cylinder body connects the isolation seat and the second cover body, and the first cover body, the second cover body, the isolation seat, the first cylinder body and the second cylinder body are detachably connected by a plurality of long screws.

[0012] Preferably, the peripheral wall of the second piston is provided with a scraper acting on the inner wall of the cylinder body.

[0013] Preferably, the control valve is connected to the cylinder body as a whole by screws.

[0014] The beneficial effects of the utility model are:

[0015] The utility model discloses a pressure multiplication type multifunctional water pumping device, which is provided with a first piston and a second piston, and an adjusting rod is adjustably inserted into the cylinder body and can resist the first piston. By rotating the adjusting rod, the length of the adjusting rod extending into the cylinder body is controlled, thereby adjusting the travel distance of the first piston and the second piston when they make a reciprocating motion. Specifically, by adjusting the control valve to allow air to enter the second air chamber, the gas pushes the first piston and the second piston to move forward, the volume of the water chamber increases, and under the action of atmospheric pressure, the water enters the water chamber, thereby realizing the water pumping device to pump water inward, and at the same time, the filter screen filters the impurities in the water entering the water chamber; by adjusting the control valve to allow air to enter the first air chamber and the third air chamber at the same time, the pressure in the cylinder body is doubled, pushing the first and second pistons to move in the opposite direction, the volume of the water chamber is reduced, and the water in the water chamber is discharged, thereby realizing the water pumping device to pump water outward, and in addition, when the cleaning body at the end of the piston rod presses against the filter screen, the impurities on the filter screen can be removed.

[0016] The utility model discloses a pressure multiplication type multifunctional water pumping device, which can adjust the strokes of a first piston and a second piston as required and has an impurity cleaning function, and is therefore suitable for various occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a cross-sectional structural diagram of the utility model.

[0019] Figure 2 It is a three-dimensional structural diagram of the utility model.

[0020] Description of reference numerals:

[0021] Cylinder body 1, first cover body 11, second cover body 12, first cylinder body 13, second cylinder body 14, isolation seat 15, second air inlet hole 151, third air inlet hole 152, long screw 16, water hole 17, filter screen 171;

[0022] A first air chamber 21, a first air inlet 211, a second air chamber 22, a third air chamber 23, and a water chamber 24;

[0023] A first piston 31, a second piston 32, a piston rod 4, a cleaning body 41, an adjusting rod 5, and a control valve 6;

[0024] Air guide assembly 7, first air inlet pipe 71, second air inlet pipe 72, third air inlet pipe 73, diverter joint 74, air guide pipe 75, scraper 8, screw 9. DETAILED DESCRIPTION

[0025] The drawings are only used for illustrative purposes and should not be construed as limitations of this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product.

[0026] For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The technical solution of the utility model is further described below in conjunction with the drawings and embodiments.

[0027] As shown in the accompanying drawings, a pressure multiplication type multifunctional water pumping device comprises a cylinder body 1 and an air flow source. The cylinder body 1 is slidably and sealedly connected with a first piston 31 and a second piston 32. The cylinder body 1 is provided with an isolation seat 15 between the first piston 31 and the second piston 32. The first piston 31 and the second piston 32 are connected by a piston rod 4. A first air chamber 21 is formed between the side of the first piston 31 facing away from the second piston 32 and the cylinder body 1, a second air chamber 22 is formed between the side of the first piston 31 close to the second piston 32 and the isolation seat 15, a third air chamber 23 is formed between the side of the second piston 32 close to the first piston 31 and the isolation seat 15, and a water chamber 24 is formed between the side of the second piston 32 facing away from the first piston 31 and the cylinder body 1.

[0028] It also includes an adjusting rod 5 and a control valve 6 arranged outside the cylinder body 1;

[0029] The adjusting rod 5 is adjustably inserted into the cylinder body 1 and can abut against the first piston 31. The adjusting rod 5 and the cylinder body 1 are connected by threads.

[0030] Furthermore, by rotating the adjusting rod 5, the length of the adjusting rod 5 extending into the cylinder 1 is controlled, thereby adjusting the stroke distance of the first piston 31 and the second piston 32 when they make a reciprocating motion. In some embodiments, the adjustable length of the adjusting rod 5 is 30% of the length of the cylinder 1.

[0031] The control valve 6 includes a first state and a second state. When the control valve 6 is in the first state, the second air chamber 22 is connected to the airflow source. When the control valve 6 is in the second state, the first air chamber 21, the third air chamber 23 and the airflow source are connected. The cylinder body 1 is provided with a water hole 17 connected to the water chamber 24. A filter screen 171 is provided in the water hole 17. A cleaning body 41 is provided at the end of the piston rod 4. The cleaning body 41 acts on the filter screen 171. In some embodiments, the control valve 6 is a solenoid valve.

[0032] In some embodiments, a brush is used as the cleaning body 41. When the volume of the water chamber 24 is the smallest, the cleaning body 41 presses against the filter screen 171 to clear the holes on the filter screen 171.

[0033] In some embodiments, an air guide component 7 is also included, which includes a first air inlet pipe 71, a second air inlet pipe 72, a third air inlet pipe 73, a diverter joint 74 and an air guide pipe 75; the diverter joint 74 connects the first air inlet pipe 71 and the third air inlet pipe 73, the second air inlet pipe 72 is connected to the control valve 6, and the air guide pipe 75 connects the diverter joint 74 and the control valve 6.

[0034] In some embodiments, a first air inlet hole 211 connecting the first air inlet pipe 71 and the first air chamber 21 is provided on the side wall of the first air chamber 21; a second air inlet hole 151 connecting the second air inlet pipe 72 and the second air chamber 22 is provided on the side of the isolation seat 15 close to the second air chamber 22; a third air inlet hole 152 connecting the third air inlet pipe 73 and the third air chamber 23 is provided on the side of the isolation seat 15 close to the third air chamber 23.

[0035] Further, the control valve 6 is adjusted to be in the first state, the gas flows into the second air inlet pipe 72 and then flows into the second air chamber 22 through the second air inlet hole 151, the gas pushes the first piston 31 and the second piston 32 to move forward, the volume of the water chamber 24 increases, and under the action of atmospheric pressure, the water enters the water chamber 24, thereby realizing the pumping device to pump water inward, and at the same time the filter 171 filters the impurities in the water entering the water chamber 24; the control valve 6 is adjusted to be in the second state, the gas flows into the first air inlet pipe 71 and the third air inlet pipe 73 at the same time, and then flows into the first air chamber 21 and the third air chamber 23 through the first air inlet hole 211 and the third air inlet hole 152, the pressure in the cylinder body 1 doubles, pushing the first piston 31 and the second piston 32 to move in the opposite direction, the volume of the water chamber 24 decreases, and the water in the water chamber 24 is discharged, thereby realizing the pumping device to pump water outward, in addition, when the cleaning body 41 at the end of the piston rod 4 presses against the filter 171, the impurities on the filter 171 can be removed.

[0036] In some embodiments, the cylinder body 1 includes a first cover body 11, a second cover body 12, a first barrel 13, and a second barrel 14. The first barrel 13 connects the first cover body 11 and the isolation seat 15, and the second barrel 14 connects the isolation seat 15 and the second cover body 12. The first cover body 11, the second cover body 12, the isolation seat 15, the first barrel 13, and the second barrel 14 are detachably connected through a plurality of long screws 16. When it is necessary to clean or repair the cylinder body 1, the staff can remove the long screw 16 from the cylinder body 1, so that the cylinder body 1 can be further disassembled into the first cover body 11, the second cover body 12, the first barrel 13, the second barrel 14, and the isolation seat 15, so that the staff can operate the components of the cylinder body 1 as needed.

[0037] After long-term use, scale will be generated on the inner wall of the water chamber 24. To solve this problem, in some embodiments, the peripheral wall of the second piston 32 is provided with a scraper 8 acting on the inner wall of the cylinder body 1. The scraper 8 can move with the second piston 32 to scrape off the scale on the inner wall of the water chamber 24. As an example, the scraper 8 used is made of elastic rubber.

[0038] In some embodiments, the control valve 6 is connected to the cylinder body 1 as a whole through screws 9 .

[0039] Working principle: The adjusting rod 5 can be adjustably inserted into the cylinder body 1 and can resist the first piston 31. By rotating the adjusting rod 5, the length of the adjusting rod 5 extending into the cylinder body 1 is controlled, and then the travel distance of the first piston 31 and the second piston 32 when they make a reciprocating motion is adjusted, thereby meeting the different travel requirements of the first piston 31 and the second piston 32.

[0040] Further, the control valve 6 is adjusted to be in the first state, the gas flows into the second air inlet pipe 72 and then flows into the second air chamber 22 through the second air inlet hole 151, the gas pushes the first piston 31 and the second piston 32 to move forward, the volume of the water chamber 24 increases, and under the action of atmospheric pressure, the water enters the water chamber 24, so that the pumping device pumps water inward, and at the same time the filter 171 filters the impurities in the water entering the water chamber 24; the control valve 6 is adjusted to be in the second state, and the gas flows into the first air inlet pipe 72 and then flows into the second air chamber 22 through the second air inlet hole 151, the gas pushes the first piston 31 and the second piston 32 to move forward, the volume of the water chamber 24 increases, and under the action of atmospheric pressure, the water enters the water chamber 24, so that the pumping device pumps water inward, and at the same time the filter 171 filters the impurities in the water entering the water chamber 24; The air flows into the first air chamber 21 and the third air chamber 23 through the first air inlet hole 211 and the third air inlet hole 152, and the pressure in the cylinder body 1 is doubled, pushing the first piston 31 and the second piston 32 to move in the opposite direction, and the volume of the water chamber 24 is reduced, and the water in the water chamber 24 is discharged, thereby realizing the water discharge of the pumping device. In addition, when the cleaning body 41 at the end of the piston rod 4 presses against the filter screen 171, the impurities on the filter screen 171 can be removed, thereby realizing the impurity cleaning function of the pumping device.

[0041] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A pressure multiplication type multifunctional water pumping device, comprising a cylinder body and an air flow source, characterized in that: The cylinder body is slidably and sealedly connected with a first piston and a second piston, the cylinder body is provided with an isolation seat between the first piston and the second piston, and the first piston and the second piston are connected by a piston rod; a first air chamber is formed between the side of the first piston facing away from the second piston and the cylinder body, a second air chamber is formed between the side of the first piston close to the second piston and the isolation seat, a third air chamber is formed between the side of the second piston close to the first piston and the isolation seat, and a water chamber is formed between the side of the second piston facing away from the first piston and the cylinder body; It also includes an adjusting rod and a control valve arranged outside the cylinder body; The adjusting rod is adjustably inserted into the cylinder body and can abut against the first piston; The control valve includes a first state and a second state. When the control valve is in the first state, the second air chamber is connected to the airflow source. When the control valve is in the second state, the first air chamber, the third air chamber and the airflow source are connected. The cylinder body is provided with a water hole connected to the water chamber. A filter is provided in the water hole. A cleaning body is provided at the end of the piston rod, and the cleaning body acts on the filter.

2. A pressure multiplication type water pumping device according to claim 1, characterized in that: It also includes an air guide component, which includes a first air intake pipe, a second air intake pipe, a third air intake pipe, a diverter joint and an air guide pipe; the diverter joint connects the first air intake pipe and the third air intake pipe, the second air intake pipe is connected to a control valve, and the air guide pipe connects the diverter joint and the control valve.

3. A pressure multiplication type water pumping device according to claim 2, characterized in that: A first air inlet hole connecting the first air inlet pipe and the first air chamber is arranged on the side wall of the first air chamber; a second air inlet hole connecting the second air inlet pipe and the second air chamber is arranged on the side of the isolation seat close to the second air chamber; a third air inlet hole connecting the third air inlet pipe and the third air chamber is arranged on the side of the isolation seat close to the third air chamber.

4. A pressure multiplying multifunctional pumping device according to claim 1, characterized in that: The cylinder body includes a first cover body, a second cover body, a first cylinder body, and a second cylinder body. The first cylinder body is connected to the first cover body and the isolation seat, and the second cylinder body is connected to the isolation seat and the second cover body. The first cover body, the second cover body, the isolation seat, the first cylinder body and the second cylinder body are detachably connected by a plurality of long screws.

5. The multifunctional pressure multiplication pumping device according to claim 1, characterized in that: The peripheral wall of the second piston is provided with a scraper acting on the inner wall of the cylinder body.

6. A pressure multiplication type water pumping device according to claim 1, characterized in that: The control valve is connected to the cylinder body through screws to form a whole.

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