Electronic water pump airtightness detection equipment

Abstract

The utility model discloses electronic water pump airtightness detection equipment, which belongs to the technical field of electronic water pumps and comprises a workbench, a plurality of groups of supporting columns are mounted at the top of the workbench, a water pump is placed at the upper ends of the plurality of groups of supporting columns, a first round pipe is mounted at the water inlet end of the water pump, and a second round pipe is mounted at the water outlet end of the water pump. A mounting plate is mounted at the left end of the top of the workbench, a plurality of groups of nozzles are opened through a control valve during detection, the nozzles inject water in a first annular cavity into the joint of a first outer annular cover and a first circular pipe, and whether the air tightness of the joint of the first outer annular cover and the first circular pipe is normal or not is judged by observing whether bubbles exist in the joint or not; if bubbles are generated at the joint, it is indicated that air leakage exists at the joint of the first outer annular cover and the first circular pipe, and the detection result is inaccurate, otherwise, the detection result is accurate, through interaction of the components, the air tightness between the first outer annular cover and the first circular pipe and the air tightness between the second outer annular cover and the second circular pipe can be conveniently detected, and the accuracy of detection data is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic water pumps, and more specifically to an airtightness detection device for electronic water pumps. Background Art

[0002] Electronic water pumps use piezoelectric materials as power devices, completely realizing electronicization from control to drive, and completely controlling liquid transmission with an electronic integrated system, thereby achieving adjustability and precision of liquid transmission. Testing is a new type of water pump that uses specified methods to test the specified technical performance indicators of a certain object (gas, liquid, solid), and is suitable for quality assessment in various industries, such as: civil engineering, water conservancy, food, chemistry, environment, machinery, machinery, etc.

[0003] The existing Chinese patent publication number CN216559575U is an electronic water pump air simulation online detection device, which includes a box body, two support frames are fixedly installed on the top of the box body, and the bottom of the inner cavity of the two support frames is provided with a limit groove, the inner side of the limit groove is hinged with a ring sleeve, the inner side of the ring sleeve is fixedly sleeved with a connecting pipe, the opposite sides of the connecting pipe are fixedly installed with springs, and the outer side of the top of the connecting pipe is fixedly installed with a sealing ring.

[0004] The above-mentioned device connects the input and output ends of the electronic water pump to connecting pipes respectively and seals them with sealing rings. During long-term use, the sealing rings will wear out, and it is impossible to determine whether the sealing rings are tightly connected to the input and output ends of the electronic water pump to be tested later, resulting in low reliability of the test data. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an electronic water pump airtightness detection device to solve the above-mentioned problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electronic water pump airtightness detection device, comprising a workbench, wherein a plurality of groups of support columns are installed on the top of the workbench, and water pumps are placed on the upper ends of the plurality of support columns, a circular pipe is installed at the water inlet end of the water pump, and a circular pipe is installed at the water outlet end of the water pump, a mounting plate is installed at the left end of the top of the workbench, an electric push rod is installed on the side wall of the mounting plate, a cylinder is installed at the output end of the electric push rod, an inner annular cover is installed on the right end of the cylinder, an outer annular cover is installed on the right end of the cylinder located outside the inner annular cover, the inner wall of the circular tube is in contact with the outer wall of the inner annular cover, and the outer wall of the circular tube is in contact with the inner wall of the outer annular cover, the top rear end of the workbench is installed, an electric push rod second is installed on the top of the mounting frame, the output end of the electric push rod second is installed The cam is secured to the bottom of the cam face, and the cam face has a lockhole that is fixed to the top of the cam face, and the lockhole has a lockhole that is formed on the cam face, and a lockhole that is formed on the bottom of the cam face.

[0007] Preferably, a slide groove is provided on the front side wall of the mounting frame, and a lifting assembly is installed between the inner wall of the slide groove and the top of the mounting frame. The lifting assembly includes a motor, and the motor is fixedly installed on the top of the mounting frame, and the output end of the motor passes through the inside of the slide groove.

[0008] Preferably, a threaded rod is installed at the output end of the motor, the bottom of the threaded rod is rotatably connected to the bottom of the slide groove, the threaded rod is threadedly connected to a threaded block, the outer wall of the threaded block is installed with an easy-to-disassemble component, the easy-to-disassemble component is connected to a limiting component, and the limiting component is in contact with the outer wall of the water pump.

[0009] Preferably, the easily disassembled component includes a limiting groove, which is opened at the top of the threaded block and passes through the outer wall of the front end of the threaded block. The limiting block is plugged into the inner part of the limiting groove, and the outer wall of the limiting block is connected to the limiting component.

[0010] Preferably, a rotating shaft is installed on the top of the threaded block, the outer wall of the rotating shaft is rotatably connected to a limit plate, and the bottom of the limit plate is in contact with the top of the limit block.

[0011] Preferably, the limiting assembly includes a connecting rod, which is fixedly connected to the outer wall of the limiting block. Arc plates are installed on both left and right ends of the connecting rod, and the inner walls of the two groups of arc plates are in contact with the outer wall of the water pump.

[0012] Compared with the existing technology, the utility model provides an electronic water pump air tightness detection device, which has the following beneficial effects:

[0013] Air pumps 1 and 2 are used to deliver external air to the interior of annular cavity 2 through air pipes 1 and 2. As the gas inside annular cavity 2 increases, the air pressure squeezes the elastic inner wall of annular cavity 2, causing the inner walls of outer annular cover 1 and outer annular cover 2 to continuously squeeze the outer walls of circular tube 1 and circular tube 2, ensuring that there is no gap at the connection between them, achieving good sealing, and ensuring the accuracy of the data during detection;

[0014] During the detection, several groups of nozzles are opened through the control valve, and the nozzles inject the water inside the annular cavity into the connection between the outer annular cover 1 and the circular tube 1. By observing whether there are bubbles at the connection, it is determined whether the air tightness of the connection between the outer annular cover 1 and the circular tube 1 is normal. If bubbles are generated at the connection, it means that there is an air leak at the connection between the outer annular cover 1 and the circular tube 1, and the test result is inaccurate. Otherwise, it is accurate. Through the interaction of the above components, it is convenient to detect the air tightness between the outer annular cover 1 and the outer annular cover 2 and the circular tube 1 and the circular tube 2, thereby ensuring the accuracy of the test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a novel electronic water pump air tightness detection device provided by the present utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the internal structure of the trachea shown;

[0017] Figure 3 for Figure 1 A schematic structural diagram of the internal structure of the chute 17 shown;

[0018] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0019] Figure 5 for Figure 2 An enlarged schematic diagram of part B is shown;

[0020] Figure 6 for Figure 3 An enlarged schematic diagram of part C is shown.

[0021] In the figure: 1. Workbench; 2. Mounting plate; 3. Electric push rod 1; 4. Cylinder 1; 5. Air pipe 1; 6. Water pump; 7. Round pipe 1; 8. Support column; 9. Round pipe 2; 10. Air pipe 2; 11. Mounting frame; 12. Lifting assembly; 121. Motor; 122. Threaded rod; 123. Threaded block; 13. Electric push rod 2; 14. Cylinder 2; 15. Limit assembly; 151. Curved plate; 152. Connecting rod; 16. Air pump Precision detection equipment; 17. Slide; 18. Outer annular cover 1; 19. Control valve; 20. Nozzle; 21. Annular cavity 1; 22. Inner annular cover 1; 23. Annular cavity 2; 24. Air pump 1; 25. Air pipe 1; 26. Inner annular cover 2; 27. Air pump 2; 28. Air pipe 2; 29. Outer annular cover 2; 30. Easy-to-disassemble component; 301. Limit groove; 302. Limit block; 303. Rotating shaft; 304. Limit plate. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6 , the utility model provides a technical solution:

[0024] An electronic water pump air tightness detection device includes a workbench 1, a plurality of groups of support columns 8 are installed on the top of the workbench 1, a water pump 6 is placed on the upper end of the plurality of support columns 8, a circular pipe 7 is installed at the water inlet end of the water pump 6, a circular pipe 2 is installed at the water outlet end of the water pump 6, a mounting plate 2 is installed at the left end of the top of the workbench 1, an electric push rod 3 is installed on the side wall of the mounting plate 2, a cylinder 4 is installed at the output end of the electric push rod 3, an inner annular cover 22 is installed at the right end of the cylinder 4, and an outer annular cover is installed at the right end of the cylinder 4 located outside the inner annular cover 22 The inner wall of the circular tube 17 is in contact with the outer wall of the inner annular cover 122, and the outer wall of the circular tube 17 is in contact with the inner wall of the outer annular cover 18. The mounting frame 11 is installed on the top of the workbench 1 at the rear end. The electric push rod 13 is installed on the top of the mounting frame 11. The output end of the electric push rod 13 is installed on the cylinder 14. The bottom of the cylinder 14 is installed with the inner annular cover 26. The outer annular cover 29 is installed on the bottom of the cylinder 14 outside the inner annular cover 26. The inner wall of the circular tube 29 is in contact with the outer wall of the inner annular cover 26. The outer wall of the tube 29 is in contact with the inner wall of the outer annular cover 29. The outer annular cover 29 and the outer annular cover 18 are both provided with an annular cavity 1 21 and an annular cavity 23. The two sets of annular cavities 1 21 are filled with water. The inner walls of the two sets of annular cavities 23 near the end of the circular tube 1 7 and the circular tube 2 9 are made of elastic and airtight material. The inner walls of the outer annular cover 29 and the outer annular cover 18 are both installed with a plurality of groups of nozzles 20. The plurality of groups of nozzles 20 are connected to the annular cavity 1 21. The outer walls of the outer annular cover 29 and the outer annular cover 18 are both equipped with control Valve 19, the control valve 19 is connected to the nozzle 20, the outer wall of cylinder 1 4 and the outer wall of cylinder 2 14 are respectively installed with air pump 1 24 and air pump 2 27, an air supply pipe 1 25 is installed between air pump 1 24 and a group of annular cavity 2 23, and an air supply pipe 2 28 is installed between air pump 2 27 and another group of annular cavity 2 23. The outer walls of cylinder 1 4 and cylinder 2 14 are respectively installed with air pipe 1 5 and air pipe 2 10. An airtightness detection device 16 is installed at the top right end of the workbench 1, and the airtightness detection device 16 is respectively connected to air pipe 1 5 and air pipe 2 10.

[0025] Furthermore, a slide groove 17 is opened on the front side wall of the mounting frame 11, and a lifting assembly 12 is installed between the inner wall of the slide groove 17 and the top of the mounting frame 11. The lifting assembly 12 includes a motor 121, which is fixedly installed on the top of the mounting frame 11, and the output end of the motor 121 passes through the interior of the slide groove 17.

[0026] Furthermore, a threaded rod 122 is installed at the output end of the motor 121, and the bottom of the threaded rod 122 is rotatably connected to the bottom of the inner groove 17. The threaded rod 122 is threadedly connected to a threaded block 123, and the outer wall of the threaded block 123 is installed with a convenient disassembly component 30. The convenient disassembly component 30 is connected to the limiting component 15, and the limiting component 15 contacts the outer wall of the water pump 6. When the motor 121 is started, the output end of the motor 121 drives the threaded block 123 to move downward along the groove 17 through the threaded rod 122, so that the threaded block 123 drives the limiting component 15 through the convenient disassembly component 30 to fix the water pump 6.

[0027] Furthermore, the disassembly component 30 includes a limit groove 301, which is opened at the top of the threaded block 123 and passes through the front outer wall of the threaded block 123. The limit groove 301 is internally plugged into and connected to the limit block 302, and the outer wall of the limit block 302 is connected to the limit component 15.

[0028] Furthermore, a rotating shaft 303 is installed on the top of the threaded block 123, and the outer wall of the rotating shaft 303 is rotatably connected to the limiting plate 304. The bottom of the limiting plate 304 is in contact with the top of the limiting block 302. The limiting plate 304 is rotated to make it leave the entrance end of the limiting groove 301, thereby facilitating the removal of the limiting block 302 installed with the limiting component 15 from the inside of the limiting groove 301 for replacement.

[0029] Furthermore, the limit assembly 15 includes a connecting rod 152, which is fixedly connected to the outer wall of the limit block 302. Arc plates 151 are installed on both ends of the connecting rod 152. The inner walls of the two sets of arc plates 151 are in contact with the outer wall of the water pump 6. As the threaded block 123 moves downward, the limit block 302 drives the arc plates 151 to move downward through the connecting rod 152 until the water pump 6 is fixed.

[0030] Working principle: Place the water pump 6 on the support column 8, start the electric push rod 13 and the electric push rod 2 13 respectively, the output end of the electric push rod 13 drives the outer annular cover 18 to contact the outer wall of the circular tube 1 7 through the cylinder 1 4, and the inner annular cover 1 22 is inserted into the inner wall of the circular tube 1 7, the output end of the electric push rod 2 13 drives the outer annular cover 2 29 to contact the outer wall of the circular tube 2 9 through the circular tube 2 9, and the inner annular cover 2 26 is inserted into the inner wall of the circular tube 2 9, then start the air pump 1 24 and the air pump 2 27 respectively, the air pump 1 24 and the air pump 2 27 transport the external air to the inside of the annular cavity 2 23 through the air pipe 1 25 and the air pipe 2 28, as the gas inside the annular cavity 2 23 increases, the air pressure will squeeze the inner wall of the annular cavity 2 23, so that the outer annular The inner walls of the annular cover 18 and the outer annular cover 29 continuously squeeze the outer walls of the circular tube 17 and the circular tube 29 to ensure that there is no gap at the connection between them. Then, the airtightness detection equipment 16 controls the air pipe 15 and the air pipe 2 10 to respectively transport gas to the inside of the cylinder 14 and the cylinder 2 14 to detect the airtightness of the water pump 6. At the same time, the control valve 19 is used to open several groups of nozzles 20. The nozzles 20 inject the water in the annular cavity 121 into the connection between the outer annular cover 18 and the circular tube 17. By observing whether there are bubbles at the connection, it can be determined whether the airtightness of the connection between the outer annular cover 18 and the circular tube 17 is normal. If bubbles are generated at the connection, it means that there is a leak at the connection between the outer annular cover 18 and the circular tube 17, and the test result is inaccurate. Otherwise, it is accurate.

[0031] 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. An electronic water pump airtightness detection device, comprising a workbench (1), wherein a plurality of support columns (8) are mounted on the top of the workbench (1), characterized in that: A water pump (6) is placed on the upper end of several groups of support columns (8), a circular tube (7) is installed at the water inlet end of the water pump (6), a circular tube (9) is installed at the water outlet end of the water pump (6), a mounting plate (2) is installed at the left end of the top of the workbench (1), an electric push rod (3) is installed on the side wall of the mounting plate (2), a cylinder (4) is installed at the output end of the electric push rod (3), an inner annular cover (22) is installed at the right end of the cylinder (4), an outer annular cover (18) is installed at the right end of the cylinder (4) outside the inner annular cover (22), and the inner wall of the circular tube (7) is fixed to the outer ring cover (18). The outer wall of the circular tube (7) is in contact with the outer wall of the outer circular cover (18), the outer wall of the circular tube (7) is in contact with the inner wall of the outer circular cover (18), the top rear end of the workbench (1) is equipped with a mounting frame (11), the top of the mounting frame (11) is equipped with an electric push rod (13), the output end of the electric push rod (13) is equipped with a cylinder (14), the bottom of the cylinder (14) is equipped with an inner circular cover (26), the bottom of the cylinder (14) outside the inner circular cover (26) is equipped with an outer circular cover (29), the inner wall of the circular tube (9) is in contact with the inner circular cover (26), and the outer wall of the circular tube (9) is in contact with the inner circular cover (26). The outer wall of the circular tube 2 (9) is in close contact with the inner wall of the outer annular cover 2 (29). The outer annular cover 2 (29) and the outer annular cover 1 (18) are both provided with an annular cavity 1 (21) and an annular cavity 2 (23). The inner walls of the outer annular cover 2 (29) and the outer annular cover 1 (18) are both provided with a plurality of groups of nozzles (20). The plurality of groups of nozzles (20) are in communication with the annular cavity 1 (21). The outer walls of the outer annular cover 2 (29) and the outer annular cover 1 (18) are both provided with a control valve (19). The control valve (19) is connected to the nozzle (20). The cylindrical tube 1 ( An air pump 1 (24) and an air pump 2 (27) are installed on the outer wall of cylinder 4 and the outer wall of cylinder 2 (14), respectively. An air delivery pipe 1 (25) is installed between the air pump 1 (24) and one group of annular cavities 2 (23), and an air delivery pipe 2 (28) is installed between the air pump 2 (27) and another group of annular cavities 2 (23). An air pipe 1 (5) and an air pipe 2 (10) are installed on the outer walls of cylinder 1 (4) and cylinder 2 (14), respectively. An airtightness detection device (16) is installed on the right end of the top of the workbench (1), and the airtightness detection device (16) is connected to air pipe 1 (5) and air pipe 2 (10), respectively.

2. The electronic water pump airtightness detection device according to claim 1, characterized in that: A slide groove (17) is provided on the front side wall of the mounting frame (11), and a lifting assembly (12) is installed between the inner wall of the slide groove (17) and the top of the mounting frame (11). The lifting assembly (12) includes a motor (121). The motor (121) is fixedly installed on the top of the mounting frame (11), and the output end of the motor (121) passes through the interior of the slide groove (17).

3. The electronic water pump airtightness detection device according to claim 2, characterized in that: The output end of the motor (121) is provided with a threaded rod (122), the bottom of the threaded rod (122) is rotatably connected to the inner bottom of the chute (17), the threaded rod (122) is threadedly connected to a threaded block (123), the outer wall of the threaded block (123) is provided with a convenient disassembly component (30), the convenient disassembly component (30) is connected to a limit component (15), and the limit component (15) is in contact with the outer wall of the water pump (6).

4. The electronic water pump airtightness detection device according to claim 3, characterized in that: The easily disassembled assembly (30) comprises a limiting groove (301), the limiting groove (301) being provided at the top of the threaded block (123) and penetrating the front outer wall of the threaded block (123), the limiting block (302) being plugged into the interior of the limiting groove (301), and the outer wall of the limiting block (302) being connected to the limiting assembly (15).

5. The electronic water pump airtightness detection device according to claim 4, characterized in that: A rotating shaft (303) is installed on the top of the threaded block (123), and the outer wall of the rotating shaft (303) is rotatably connected to a limiting plate (304), and the bottom of the limiting plate (304) is in contact with the top of the limiting block (302).

6. The electronic water pump airtightness detection device according to claim 4, characterized in that: The limiting assembly (15) comprises a connecting rod (152), the connecting rod (152) being fixedly connected to the outer wall of the limiting block (302), and arc-shaped plates (151) being installed at both left and right ends of the connecting rod (152), and the inner walls of the two sets of arc-shaped plates (151) being in contact with the outer wall of the water pump (6).

Images