Pump pressure detection device of electric water toothpick

Abstract

A pumping pressure detection device of an electric water toothpick comprises a bottom plate, the bottom plate is provided with a fixing seat, one side of the fixing seat is provided with a water path connecting device and an air path connecting device, the water path connecting device comprises a water pipe rack, the water pipe rack is provided with a water tank, the water tank is connected with a water pipe, the water pipe is fixed in the vertical direction of the water pipe rack, and the water pipe rack is provided with a ruler. The air channel connecting device comprises a digital display barometer, a first air pipe and a second air pipe, the digital display barometer is connected with the first air pipe, a one-way valve is arranged between the first air pipe and the second air pipe, a clamp frame is arranged on one side of the fixing base and hinged to a manual pressing rod, an ejector pin pressing plate is arranged at the end of the manual pressing rod, and an ejector pin is arranged at the bottom of the ejector pin pressing plate. A PCBA control panel is arranged on the upper portion of the ejector pin pressing plate, the ejector pin starts a pump of the machine core to be tested, and the PCBA control panel controls the starting times of the pump of the machine core so as to measure the water spraying amount of the pump and the air pressure generated when the pump works. According to the utility model, the measurement is simple and convenient, omission or exceeding is avoided, and the misjudgment of the measurement is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of production of electric tooth washer, in particular to a pump pressure detection device for an electric tooth washer. Background Art

[0002] Currently, there are two types of electric toothbrush washers on the market: air-powered and direct-flow water-powered. The air-powered type is popular among users because of its advantages of less water consumption and greater cleaning power. However, the water spraying power and water output of the air-powered type of toothbrush washers are directly affected by the air pressure generated by the pump and whether the assembly of other assembly mechanisms (air path mechanisms) of the product are standardized. Therefore, after the assembly of the movement part of the electric toothbrush washers is completed, a full inspection of the water spraying volume and the working air pressure of the pump is required to ensure the performance of the product after the assembly of the movement shell of the electric toothbrush washers is completed.

[0003] In the existing technology, the pump pressure detection of the electric toothbrush is characterized by the amount of water sprayed and the air pressure generated when the pump is working. Among them, the amount of water sprayed can be measured by the height of the water column in the water pumping pipe when the product is working. For a qualified movement product, the height of the water column generated by the pump water pumping is more than 160mm after the movement is started three times. Therefore, the movement needs to be started three times in each process of measuring the amount of water sprayed. Due to manual operation, the number of starts in the measurement of the movement is easily missed or exceeded, resulting in misjudgment of the detection; Among them, the air pressure generated by the pump when working is measured by a barometer. For a qualified movement product, the working air pressure of the pump needs to reach more than 140kpa, but the air pressure generated when the pump is working is an instantaneous air pressure. Ordinary barometers cannot memorize the peak air pressure, and it is necessary for humans to pay special attention to observe the instantaneous maximum air pressure of the barometer. Therefore, the movement of the electric toothbrush is time-consuming and labor-intensive in the usual detection process, and it is also easy to misjudge. Utility Model Content

[0004] The utility model aims to provide a pump pressure detection device for an electric tooth washer, aiming to solve the problem that the detection process of the movement of the existing electric tooth washer is time-consuming and labor-intensive and prone to misjudgment.

[0005] In view of this, the technical solution provided by the utility model is: a pump pressure detection device for an electric tooth washer, comprising a base plate, a fixing seat is provided on one side of the base plate, the fixing seat is provided with a fixing groove for fixing the movement of the electric tooth washer, the movement to be tested is fixed by the fixing groove, one side of the fixing seat is provided with a water connection device and an air connection device for measurement, the water connection device comprises a water pipe rack, a water tank is provided at the bottom of the water pipe rack, a water pipe is connected to the water tank, the water pipe is fixed along the vertical direction of the water pipe rack, a ruler is provided on the water pipe rack and the zero scale of the ruler is consistent with the bottom height of the water pipe, the movement to be tested is connected to the water pipe to realize water connection, the air connection device comprises a number A digital barometer, a first air pipe, and a second air pipe, wherein the digital barometer is connected to the first air pipe, a one-way valve is arranged between the first air pipe and the second air pipe, the movement to be tested is connected to the second air pipe to realize air circuit connection, a fixture frame is arranged on one side of the fixing seat, a manual pressure rod is hinged on the fixture frame, a thimble pressure plate is arranged on the end of the manual pressure rod, a thimble corresponding to the movement control pump start button of the electric toothbrush is arranged at the bottom of the thimble pressure plate, a PCBA control board for testing is arranged on the upper part of the thimble pressure plate, the thimble is electrically connected to the PCBA control board, the manual pressure rod is rotated, the thimble starts the pump of the movement to be tested, and the PCBA control board controls the number of times the pump of the movement is started to measure the amount of water sprayed by the pump and the air pressure generated when the pump is working.

[0006] Furthermore, a three-way pipe is provided between the first air pipe and the one-way valve, the three-way pipe is also connected to a vent pipe, and the vent pipe is connected to a vent valve. After the movement is measured, the vent valve can be pressed, and the pressure in the first air pipe is released through the vent valve, so that the device can be replaced and connected to other movement products with testing.

[0007] Furthermore, the bottom plate is provided with a pair of lifting rods, and the ejector pressing plate is provided with linear bearings corresponding to the lifting rods, and the lifting rods are sleeved in the linear bearings. Through the linear bearings, a sliding connection is formed between the lifting rods and the ejector pressing plate, and the ejector pressing plate moves up and down through the lifting rods to limit the sliding, thereby improving the ejector pressing accuracy.

[0008] Furthermore, a start button is also provided on the base plate, and the start button is electrically connected to the digital barometer, and the start button is electrically connected to the PCBA control board.

[0009] In the utility model, the number of times of the pump of the movement can be set through the PCBA control board. Since the measurement of the amount of water sprayed requires the pump to be started three times, the PCBA control board can be set to start the pump three times according to the actual test requirements. After the ejector circuit is connected to the circuit of the pump of the movement, the detection of the movement only needs to rotate the manual pressure rod to realize the electrical connection to start the measurement. The measurement result can be easily read through the height of the water extracted from the water pipe. The measurement is simple, convenient and practical, and will not be missed or exceeded, thereby avoiding misjudgment of the measurement.

[0010] The utility model sets a one-way valve between the first air pipe and the second air pipe. Due to the one-way action of the one-way valve, the air pressure on the first air pipe will not be leaked through the one-way valve, so that the maximum instantaneous air pressure on the first air pipe can be maintained. Therefore, the air pressure generated by the pump during operation is transmitted to the digital display barometer through the one-way valve for stable display, thereby facilitating the reading of air pressure. Moreover, the matching pump needs to be started three times, and the maximum instantaneous air pressure generated by the three starts can be maintained on the digital display air pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model.

[0012] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0013] Figure 3 It is a schematic diagram of the structure of a movement detection device connected to an electric tooth washer.

[0014] Among them: 1-bottom plate, 2-fixed seat, 2a-fixed slot, 3-water tank, 4-water pipe rack, 5-ruler, 6-water pipe, 7-digital barometer, 8-first air pipe, 9-three-way pipe, 10-second air pipe, 11-check valve, 12-air release pipe, 13-air release valve, 14-clamp rack, 15-manual pressure rod, 16-thimble pressure plate, 17-lifting rod, 18-linear bearing, 19-PCBA control board, 20-start button, 21-thimble, 22-electric tooth washer. DETAILED DESCRIPTION

[0015] The following is a brief description of the implementation of the present utility model in conjunction with the accompanying drawings.

[0016] A pump pressure detection device for an electric tooth washer, referring to 1- Figure 3, including a bottom plate 1, a fixing seat 2 is provided on one side of the bottom plate 1, and the fixing seat 2 is provided with a fixing groove 2a for fixing the movement of the electric tooth washer 22, and the movement to be tested is fixed by the fixing groove 2a, so as to facilitate the placement and fixing of the movement during the test, and a water connection device and an air connection device for measurement are provided on one side of the fixing seat 2, and the water connection device includes a water pipe rack 4, and a water tank 3 is provided at the bottom of the water pipe rack 4, and the water tank 3 is connected to a water pipe 6, and the water pipe 6 is fixed along the vertical direction of the water pipe rack 4, and the water pipe rack 4 is provided with a water tank 3. A scale 5 is provided which is arranged parallel to the water pipe 6, and the zero scale of the scale 5 is consistent with the bottom height of the water pipe 6. The movement to be tested is connected to the water pipe 6 to realize the water connection. After the movement is connected to the water pipe 6, during the measurement process, the amount of water sprayed by the pump of the movement can be drawn from the water tank 3 through the water pipe 6. The height of the water in the water pipe 6 can be easily read through the scale 5 on one side of the water pipe 6. The air circuit connection device includes a digital barometer 7, a first air pipe 8, and a second air pipe 10. The digital barometer 7 is connected to the first air pipe 8 and the second air pipe 10. The first air pipe 8 is connected, and a one-way valve 11 is provided between the first air pipe 8 and the second air pipe 10. The movement to be tested is connected to the second air pipe 10 to realize the air circuit connection. After the movement is connected to the second air pipe 10, during the measurement process, the pump pressure generated by the pump of the movement when working is displayed by the digital barometer 7, which is convenient for the tester to read. The one-way valve 11 acts in one direction, and the air pressure on the first air pipe 8 will not be released through the one-way valve 11, so that the maximum instantaneous air pressure on the first air pipe 8 can be maintained. Therefore, the air pressure generated by the pump when working The pressure is transmitted through the one-way valve 11 to the digital pressure gauge 7 for stable display. In the present embodiment, in order to facilitate the removal and replacement of the movement after the test is completed, a three-way pipe 9 is provided between the first air pipe 8 and the one-way valve 11. The three-way pipe 9 is also connected to a bleed pipe 12, and the bleed pipe 12 is connected to a bleed valve 13. The bleed valve 13 is a manual press-type bleed valve 13. After the measurement of the movement is completed, the bleed valve 13 can be pressed to open the bleed valve 13, and the pressure in the first air pipe 8 can be discharged through the bleed pipe 12 for pressure relief.

[0017] A fixture frame 14 is provided on one side of the fixing seat 2, and a manual pressure rod 15 is hingedly connected to the fixture frame 14. A thimble pressure plate 16 is provided at the end of the manual pressure rod 15. A thimble 21 corresponding to the movement control pump start button of the electric tooth washer 22 is provided at the bottom of the thimble pressure plate 16. A plurality of thimbles 21 are provided. A PCBA control board 19 for testing is provided on the upper part of the thimble pressure plate 16. The thimble 21 is electrically connected to the PCBA control board 19. By rotating the manual pressure rod 15, the thimble pressure plate 16 can be lowered and the thimble 21 is pressed against the circuit to start the pump of the movement to be tested. After the thimble 21 is electrically connected to the pump of the movement, the PCBA control board 19 program is used to control the start frequency of the pump of the movement. The number is used to measure the water volume of the pump and the air pressure generated when the pump is working, so as to achieve the purpose of the test. In this embodiment, during the water volume measurement process, it is necessary to start the movement three times and then observe whether the water column height generated by the pump reaches the judgment standard of 160mm or more. Correspondingly, the PCBA control board 19 program controls the start-up number of the movement pump to be three times. Therefore, after the movement pump is started by the manual pressure rod 15, the PCBA control board 19 will control the start pulse of the movement pump to start three times, avoiding the need to press the movement pump switch key multiple times for each measurement in the prior art. The measurement is simple, convenient and practical, and will not be missed or exceeded, thereby avoiding misjudgment of the measurement.

[0018] In this embodiment, the base plate 1 is provided with a pair of lifting rods 17, and the ejector pressure plate 16 is provided with a linear bearing 18 corresponding to the lifting rod 17. The lifting rod 17 is sleeved in the linear bearing 18. Through the linear bearing 18, a sliding connection is formed between the lifting rod 17 and the ejector pressure plate 16. The ejector pressure plate 16 moves up and down through the lifting rod 17 to limit the sliding, thereby improving the ejection accuracy of the ejector 21.

[0019] In the present invention, a start button 20 is also provided on the bottom plate 1, and the start button 20 is electrically connected to the digital display barometer 7, and the start button 20 is electrically connected to the PCBA control board 19. The start button 20 can be used to conveniently start the test device.

[0020] The above embodiments only express the implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A pump pressure detection device for an electric tooth washer, characterized in that: It includes a bottom plate, a fixing seat is provided on one side of the bottom plate, the fixing seat is provided with a fixing groove for fixing the movement of the electric tooth washer, the movement to be tested is fixed by the fixing groove, a water connection device and an air connection device for measurement are provided on one side of the fixing seat, the water connection device includes a water pipe rack, a water tank is provided at the bottom of the water pipe rack, a water pipe is connected to the water tank, the water pipe is fixed along the vertical direction of the water pipe rack, a ruler is provided on the water pipe rack parallel to the water pipe, and the zero scale of the ruler is consistent with the bottom height of the water pipe, the movement to be tested is connected to the water pipe to realize water connection, the air connection device includes a digital barometer, a first air pipe, a second air pipe, the A digital barometer is connected to the first air pipe, a one-way valve is provided between the first air pipe and the second air pipe, the movement to be tested is connected to the second air pipe to realize air circuit connection, a fixture frame is provided on one side of the fixing seat, a manual pressure rod is hinged on the fixture frame, a thimble pressure plate is provided on the end of the manual pressure rod, a thimble corresponding to the movement control pump start button of the electric toothbrush is provided at the bottom of the thimble pressure plate, a PCBA control board for testing is provided on the upper part of the thimble pressure plate, the thimble is electrically connected to the PCBA control board, the manual pressure rod is rotated, the thimble starts the pump of the movement to be tested, and the PCBA control board controls the number of times the pump of the movement is started to measure the amount of water sprayed by the pump and the air pressure generated when the pump is working.

2. The pump pressure detection device of the electric tooth washer according to claim 1, characterized in that: A three-way pipe is provided between the first air pipe and the one-way valve, the three-way pipe is also connected to an air release pipe, and the air release pipe is connected to an air release valve.

3. The pump pressure detection device of the electric tooth washer according to claim 1, characterized in that: The bottom plate is provided with a pair of lifting rods, the ejector plate is provided with linear bearings corresponding to the lifting rods, and the lifting rods are sleeved in the linear bearings.

4. The pump pressure detection device of the electric tooth washer according to claim 1, characterized in that: A start button is also provided on the bottom plate, and the start button is electrically connected to the digital barometer, and the start button is electrically connected to the PCBA control board.

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