A pressure switch installation and verification device for a water dispenser

Abstract

The utility model discloses a pressure switch installation and verification device for a water dispenser, which relates to the technical field of pressure switch verification, and includes a verification machine body, wherein a groove is provided on the front side of the top of the verification machine body, and two detection ends are fixedly connected to the bottom surface of the inner wall of the groove, and the left and right sides of the bottom surface of the inner wall of the groove are both slidably connected with a first C-shaped rack, and the front and rear sides of the inner wall of the groove are both rotatably connected with two gears, and the gears are meshed with the first C-shaped rack, and the left and right sides of the inner wall of the groove are both movably plugged with a second C-shaped rack. The utility model fixes the pressure switch on the detection end, closes the two second C-shaped racks inward at the same time, and rotates the gears in a group of two, driving the two first C-shaped racks to open to both sides. At this time, the limit sleeves in a group of two protect the detection end and the pressure switch, which can ensure that the pressure switch will not rush out of the verification device when the air pressure is high, thereby ensuring the safety of the staff.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure switch calibration, in particular to a pressure switch installation calibration device for a water dispenser. Background Art

[0002] A pressure switch is a switch that has extremely strict requirements on sealing and the pressure value it can withstand. There are strict manufacturing standards and specifications for pressure switches during manufacturing, especially the sealing performance of the main structure of the pressure switch and the pressure value it can withstand. There are strict specifications and requirements. The sealing performance of the main structure of the pressure switch and the pressure value it can withstand will seriously affect the use effect and product quality of the pressure switch. Therefore, a device for calibrating the pressure switch is needed.

[0003] The existing patent (Announcement No.: CN208970711U) discloses a gas pressure switch detection test device, including an indicator light, a voltage-stabilized power supply, a counter connected to the indicator light through a wire, a double-delay relay connected to the voltage-stabilized power supply wire, and a solenoid valve connected to the double-delay relay. The gas pressure switch to be tested is installed on the gas pressure switch mounting seat, and different air pressures are adjusted by the pressure regulating valve to detect the working conditions of each gear of the gas pressure switch, as well as performance parameters such as continuity, overpressure, air tightness, and gas pressure switch threshold. The durability of the gas pressure switch can also be tested in combination with the counter. In the process of implementing this solution, it was found that the following problems exist in the prior art and have not been well solved: the above device is tested by installing the gas pressure switch on the gas pressure switch mounting seat, but when the air pressure on the upper side of the gas pressure switch mounting seat is high, it is easy for the gas pressure switch to rush out of the detection device through the higher air pressure, endangering the physical safety of the staff. Utility Model Content

[0004] In order to improve the above-mentioned experiment of installing the air pressure switch on the air pressure switch mounting seat, when the air pressure on the upper side of the air pressure switch mounting seat is high, the air pressure switch is easily rushed out of the detection device through the high air pressure, endangering the safety of the staff, the utility model provides a pressure switch installation and verification device for a water dispenser.

[0005] The utility model provides a pressure switch installation and calibration device for a water dispenser, which adopts the following technical scheme:

[0006] A pressure switch installation verification device for a water dispenser comprises a verification machine body, a groove is provided on the front side of the top of the verification machine body, two detection ends are fixedly connected to the bottom surface of the inner wall of the groove, and first C-shaped racks are slidably connected to the left and right sides of the bottom surface of the inner wall of the groove;

[0007] Two gears are rotatably connected to both sides of the inner wall of the groove, and the gears are meshed with the first C-shaped rack;

[0008] The left and right sides of the inner wall of the groove are both movably connected with a second C-shaped rack, the upper side of the second C-shaped rack on the left side is movably connected with a C-shaped rod, the bottom surface of the cross bar of the C-shaped rod is fixedly connected with a tension spring, and the bottom end of the tension spring is fixedly connected with the upper side of the second C-shaped rack on the left side;

[0009] A fixing groove is provided on the top surface of the second C-shaped rack on the right side, and the side surface of the inner wall of the fixing groove is slidably connected to the inside of the vertical rod on the right side of the C-shaped rod.

[0010] The above technical solution can ensure that the pressure switch will not rush out of the calibration device when the air pressure is high, thereby ensuring the safety of the staff and improving the accuracy of the pressure switch detection.

[0011] Optionally, in the above-mentioned pressure switch installation and verification device for a water dispenser, the side surface of the horizontal bar of the first C-shaped rack and the bottom surface of the horizontal bar of the second C-shaped rack are fixedly connected to a limiting sleeve.

[0012] Through the above technical solution, it is convenient to protect the detection end and the pressure switch through the limit sleeve.

[0013] Optionally, in the above-mentioned pressure switch installation and verification device for a water dispenser, the number of the limit sleeves is four, two of the four limit sleeves form a group, and the shape of the limit sleeves is arc-shaped.

[0014] Through the above technical solution, the contact area between the arc-shaped side surface of the limiting sleeve and the side surface of the detection end is larger.

[0015] Optionally, in the above-mentioned pressure switch installation and verification device for a water dispenser, the second C-shaped rack is meshed with a gear, an arc-shaped groove is provided on the right side of the second C-shaped rack on the left side, and an arc-shaped silicone strip is fixedly connected to the left side of the second C-shaped rack on the right side.

[0016] Through the above technical solution, the arc-shaped silicone strip and the arc-shaped groove increase the sealing performance of the interior of the groove.

[0017] Optionally, in the above-mentioned pressure switch installation and verification device for a water dispenser, two air inlet pipes are fixedly plugged into the rear side of the verification machine body, and the front end of the air inlet pipe is fixedly plugged into the inside of the detection end.

[0018] Through the above technical solution, it is convenient to transmit the air pressure to the inside of the pressure switch through the air inlet pipe and the detection end.

[0019] Optionally, in the above-mentioned pressure switch installation and verification device for a water dispenser, four support blocks are fixedly connected to the four corners of the bottom surface of the verification machine body, and the support blocks are hard rubber blocks.

[0020] Through the above technical solution, the support block made of hard rubber material can increase the overall stability of the verification machine body and ensure that the bottom surface of the verification machine body does not contact the ground, thereby increasing the overall heat dissipation effect of the verification machine body.

[0021] Optionally, in the above-mentioned pressure switch installation and verification device for a water dispenser, an operation screen is fixedly connected to the rear side of the front side of the verification machine body, and two pressure gauges are fixedly connected to the front side of the operation screen.

[0022] Through the above technical solution, it is convenient to control the calibration machine body through the operation screen, and the air pressure inside the pressure switch can be conveniently observed through the pressure gauge.

[0023] In summary, the utility model includes at least one of the following beneficial effects: 1. The pressure switch is fixed on the detection end, and the two second C-shaped racks are closed inward at the same time, so that the two gears in a group rotate, driving the two first C-shaped racks to open to both sides. At this time, the two limit sleeves in a group protect the detection end and the pressure switch, which can ensure that the pressure switch will not rush out of the calibration device when the air pressure is high, thereby ensuring the safety of the staff;

[0024] 2. When the two second C-shaped racks are closed inward and their opposite sides are in contact, the arc-shaped silicone strip can move into the arc-shaped groove. Then the right vertical rod of the C-shaped rod is inserted into the fixed groove. The groove can be sealed by the two second C-shaped racks, further ensuring the physical safety of the staff and the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0026] Figure 2 It is a partial three-dimensional structural cross-sectional view of the main body of the inspection machine of the utility model;

[0027] Figure 3 It is a partial three-dimensional structural schematic diagram of the second C-shaped rack of the utility model.

[0028] In the figure: 1. Verification machine body; 101. Support block; 102. Operation screen; 103. Pressure gauge; 2. Groove; 3. Detection end; 4. First C-shaped rack; 5. Gear; 6. Second C-shaped rack; 601. Limit sleeve; 602. Arc groove; 603. Arc silicone strip; 7. C-shaped rod; 8. Tension spring; 9. Fixing groove. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-3 The utility model is described in further detail.

[0030] Please refer to the attached figure in the instruction manual Figure 1 , Figure 2 and Figure 3 The utility model provides an embodiment: a pressure switch installation verification device for a water dispenser, comprising a verification machine body 1, a groove 2 is provided on the front side of the top of the verification machine body 1, two detection ends 3 are fixedly connected to the bottom surface of the inner wall of the groove 2, and the left and right sides of the bottom surface of the inner wall of the groove 2 are slidably connected to a first C-shaped rack 4;

[0031] Two gears 5 are rotatably connected to both sides of the inner wall of the groove 2, and the gears 5 are meshed with the first C-shaped rack 4;

[0032] The left and right sides of the inner wall of the groove 2 are movably connected with a second C-shaped rack 6, the upper side of the left second C-shaped rack 6 is movably connected with a C-shaped rod 7, the bottom surface of the cross bar of the C-shaped rod 7 is fixedly connected with a tension spring 8, and the bottom end of the tension spring 8 is fixedly connected with the upper side of the left second C-shaped rack 6;

[0033] A fixing groove 9 is formed on the top surface of the second C-shaped rack 6 on the right side, and the side surface of the inner wall of the fixing groove 9 is slidably connected to the inside of the right vertical rod of the C-shaped rod 7 .

[0034] See the attached drawings in the specification Figure 1 , Figure 2 and Figure 3 The side surface of the horizontal bar of the first C-shaped rack 4 and the bottom surface of the horizontal bar of the second C-shaped rack 6 are fixedly connected with a limiting sleeve 601, and the limiting sleeve 601 is used to conveniently protect the detection end 3 and the pressure switch.

[0035] See the attached drawings in the specification Figure 1 , Figure 2 and Figure 3 The number of the limiting sleeves 601 is four, and two of the four limiting sleeves 601 form a group. The limiting sleeves 601 are in an arc shape, and the side surface of the arc-shaped limiting sleeve 601 has a larger contact area with the side surface of the detection end 3.

[0036] See the attached drawings in the specification Figure 1 , Figure 2 and Figure 3 The second C-shaped rack 6 is meshed with the gear 5. An arc groove 602 is provided on the right side of the left second C-shaped rack 6. An arc silicone strip 603 is fixedly connected to the left side of the right second C-shaped rack 6. The arc silicone strip 603 and the arc groove 602 increase the sealing performance of the inside of the groove 2.

[0037] See the attached drawings in the specification Figure 1 , Figure 2 and Figure 3 Two air inlet pipes are fixedly connected to the rear side of the test machine body 1, and the front end of the air inlet pipe is fixedly connected to the inside of the detection end 3, so that the air pressure can be conveniently delivered to the inside of the pressure switch through the detection end 3 through the air inlet pipe.

[0038] See the attached drawings in the specification Figure 1 , Figure 2 and Figure 3 Four support blocks 101 are fixedly connected to the four corners of the bottom surface of the verification machine body 1. The support blocks 101 are hard rubber blocks. The support blocks 101 made of hard rubber can increase the overall stability of the verification machine body 1 and can ensure that the bottom surface of the verification machine body 1 does not contact the ground, thereby increasing the overall heat dissipation effect of the verification machine body 1.

[0039] See the attached drawings in the specification Figure 1 , Figure 2 and Figure 3 An operation screen 102 is fixedly connected to the rear side of the front side of the test machine body 1, and two pressure gauges 103 are fixedly connected to the front side of the operation screen 102. The test machine body 1 can be controlled through the operation screen, and the air pressure inside the pressure switch can be conveniently observed through the pressure gauges 103.

[0040] Working principle: When using the pressure switch for the water dispenser to install the calibration device, when performing the air pressure test, first fix the pressure switch to be tested on the upper side of the detection end 3, then close the two second C-shaped racks 6 inward at the same time, and cause the gears 5 in a group of two to rotate, driving the two first C-shaped racks 4 to open to the left and right sides. At this time, the limit sleeves 601 in a group of two protect the detection end 3 and the pressure switch on its upper side, which can ensure that the pressure switch will not rush out of the calibration device when the air pressure is high, thereby ensuring the safety of the staff;

[0041] When the two second C-shaped racks 6 are closed inward at the same time and their opposite sides are in contact, the second C-shaped rack 6 on the right side can drive the arc-shaped silicone strip 603 to move to the inside of the arc-shaped groove 602 opened on the side of the second C-shaped rack 6 on the left side, and then the right vertical rod of the C-shaped rod 7 is inserted into the inside of the fixed groove 9, so that the groove 2 can be sealed by the two second C-shaped racks 6, thereby further ensuring the physical safety of the staff and the accuracy of detection.

[0042] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A pressure switch installation verification device for a water dispenser, comprising a verification machine body (1), characterized in that: A groove (2) is provided on the front side of the top of the inspection machine body (1); two detection ends (3) are fixedly connected to the bottom surface of the inner wall of the groove (2); and first C-shaped racks (4) are slidably connected to the left and right sides of the bottom surface of the inner wall of the groove (2); Two gears (5) are rotatably connected to both sides of the inner wall of the groove (2), and the gears (5) are meshed with the first C-shaped rack (4); A second C-shaped rack (6) is movably inserted on both sides of the inner wall of the groove (2); a C-shaped rod (7) is movably inserted on the upper side of the second C-shaped rack (6) on the left side; a tension spring (8) is fixedly connected to the bottom surface of the crossbar of the C-shaped rod (7); and the bottom end of the tension spring (8) is fixedly connected to the upper side of the second C-shaped rack (6) on the left side; A fixing groove (9) is provided on the top surface of the second C-shaped rack (6) on the right side, and the side surface of the inner wall of the fixing groove (9) is slidably connected to the inside of the right vertical rod of the C-shaped rod (7).

2. A pressure switch installation and verification device for a water dispenser according to claim 1, characterized in that: The side surface of the horizontal bar of the first C-shaped rack (4) and the bottom surface of the horizontal bar of the second C-shaped rack (6) are both fixedly connected to the limiting sleeve (601).

3. A pressure switch installation and verification device for a water dispenser according to claim 2, characterized in that: The number of the limiting sleeves (601) is four, two of the four limiting sleeves (601) form a group, and the limiting sleeves (601) are in an arc shape.

4. A pressure switch installation and verification device for a water dispenser according to claim 1, characterized in that: The second C-shaped rack (6) is meshed with the gear (5); an arc-shaped groove (602) is provided on the right side of the second C-shaped rack (6) on the left side; and an arc-shaped silicone strip (603) is fixedly connected to the left side of the second C-shaped rack (6) on the right side.

5. The pressure switch installation and verification device for a water dispenser according to claim 1, characterized in that: Two air inlet pipes are fixedly plugged into the rear side of the verification machine body (1), and the front ends of the air inlet pipes are fixedly plugged into the interior of the detection end (3).

6. A pressure switch installation and verification device for a water dispenser according to claim 1, characterized in that: Four support blocks (101) are fixedly connected to the four corners of the bottom surface of the calibration machine body (1), and the support blocks (101) are hard rubber blocks.

7. A pressure switch installation and verification device for a water dispenser according to claim 1, characterized in that: An operating screen (102) is fixedly connected to the rear side of the front side of the test machine body (1), and two pressure gauges (103) are fixedly connected to the front side of the operating screen (102).

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