Sealing performance testing device for valve production

Abstract

The utility model provides a sealing performance testing device for valve production, which comprises a bottom plate, a water storage tank is fixedly mounted at the top of the bottom plate, a water source is stored in the water storage tank, a mounting frame is fixedly mounted at the top of the bottom plate and positioned on one side of the water storage tank, and a vertical telescopic rod is mounted on the mounting frame and positioned above the water storage tank. When the valve airtightness detection device is used for detecting the airtightness of a valve, the rubber pads on the two vertical plates abut against the valve to position the valve, the air pump is controlled to work to convey air into the corrugated hose, the air enters the valve through the through hole and the through hole, and the electric push rod is controlled to enable the valve to extend into a water source of the water storage tank. When no bubble exists in water in the water storage tank of the valve and the numerical value of the pressure gauge does not change, the air tightness of the valve is qualified, otherwise, the air tightness of the valve is unqualified, so that the situation that the numerical value of the pressure gauge does not change due to the fact that air in the valve is discharged through a sand hole when the sand hole leaks air in the valve is effectively avoided, and the detection precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve inspection equipment, in particular to a sealing performance inspection device used for valve production. Background Art

[0002] Valves are control components in fluid delivery systems, and have functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion or overflow pressure relief. When manufacturing valves, air tightness testing devices are often used to test the air tightness of valves. Traditional air tightness testing devices for valve production are generally not convenient for testing valves of different sizes, which increases the difficulty of testing valves of different sizes.

[0003] The patent document with the authorization number CN216483784U discloses the following contents: comprising a mounting seat, an air filter box is fixedly mounted on the top of the mounting seat, and an air extraction pipe is fixedly arranged on the right end of the air filter box, an air pump is fixedly mounted on the right end of the air extraction pipe, and an air delivery pipe is fixedly arranged on the right end of the air pump, and a connecting box is fixedly mounted on one end of the air pump, a mounting pipe is fixedly mounted on the bottom of the connecting box, and a screw is threadedly connected to the outer wall of the mounting pipe, a mounting plate is fixedly mounted on the top of the screw, and a clamping ring is movably mounted on the bottom of the screw, and a fixing device is fixedly mounted on the bottom of the mounting pipe. There is a sealing ring, and the inner wall of the sealing ring is provided with a valve body; a pressure detector is provided at the bottom of the valve body, and a switch valve is provided at the right end of the valve body, a detection frame is fixedly provided on the top of the mounting seat, and a mounting plate is fixedly provided on the top of the detection frame; a mounting bolt is movably installed on the top of the mounting plate, and a supporting spring is fixedly provided on the inner wall of the mounting plate, and an extrusion plate is fixedly provided on the right end of the supporting spring. When used, the difficulty of detecting valves of different sizes is reduced, which brings convenience to people's daily detection; however, in actual use, there are still the following defects:

[0004] When testing the valve, air is supplied to the positioned valve through an air pump, and then the air tightness of the valve is judged by observing the changes in the value of the pressure detector. When there is a sand hole in the valve and air is leaking, the gas in the valve is discharged through the sand hole, so that the value of the pressure detector will not change, affecting the detection accuracy;

[0005] Therefore, the present application proposes a sealing performance testing device for valve production. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a sealing performance testing device for valve production, which solves the problems mentioned in the background technology.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A sealing performance inspection device for valve production comprises a bottom plate, a water storage tank is fixedly installed on the top of the bottom plate, water is stored in the water storage tank, a mounting frame is fixedly installed on the top of the bottom plate and on one side of the water storage tank, a telescopic rod in a vertical direction is installed on the mounting frame and above the water storage tank, a mounting block is fixed at the bottom end of the telescopic rod, and an electric push rod connected to the mounting block is installed on the mounting frame;

[0009] Two sliders are slidably mounted on the bottom of the mounting block, and vertical plates are fixedly mounted on the bottom of the two sliders. The vertical plates are provided with through holes, a pressure gauge connected to the through holes is fixedly mounted on one of the vertical plates, a corrugated hose connected to the through holes is fixedly mounted on the other vertical plate, and an air pump connected to the corrugated hose is fixedly mounted on the top of the mounting frame;

[0010] A rubber pad is fixedly installed on one side of the two vertical plates close to each other. The rubber pad is provided with a through hole connected to the through hole. A driving member acting on the two sliders is installed on the mounting block, which is used to make the two sliders slide in the opposite direction or stop sliding on the mounting block.

[0011] Further: the driving member includes a bidirectional threaded rod which is horizontally and rotatably mounted on the mounting block, and the bidirectional threaded rod is threadedly connected to the two sliding blocks.

[0012] Further: an adjusting piece acting on the bidirectional threaded rod is installed on the mounting block, and is used to make the bidirectional threaded rod rotate on the mounting block.

[0013] Furthermore: the adjusting member includes a rotating rod which is horizontally and rotatably mounted on the mounting block, and the rotating rod is connected to the bidirectional threaded rod through a bevel gear assembly.

[0014] Furthermore: there are multiple telescopic rods, and the multiple telescopic rods are arranged in a horizontal linear array, and mounting blocks are fixedly installed at the bottom of the multiple telescopic rods.

[0015] Furthermore: an air purification mechanism is installed on the top of the mounting frame, and air intake pipes are fixedly installed on the air intake ends of the multiple air pumps, and the air intake pipes are connected to the air purification mechanism.

[0016] Further: the air purification mechanism comprises:

[0017] The air purification box has an open top and is fixedly mounted on a mounting frame, a plurality of air inlet pipes are connected to the interior of the air purification box, an air inlet connected to the interior of the air purification box is provided on the air purification box, a filter plate for sealing the interior of the air purification box is inserted in the air purification box, and a box cover for sealing the open end is fixedly mounted on the air purification box by screws.

[0018] Furthermore: ventilation pipes are fixedly installed on the sides of the two vertical plates close to each other, and the ventilation pipes are connected with the through holes and extend to the outside of the rubber pad.

[0019] The utility model provides a sealing performance testing device for valve production. Compared with the prior art, it has the following beneficial effects:

[0020] 1. When testing the air tightness of the valve, make the rubber pads on the two vertical plates contact the valve to position the valve, control the air pump to deliver gas to the corrugated hose, and the gas enters the valve through the perforations and through holes. At the same time, control the electric push rod to extend the valve to the water source of the water tank. When there are no bubbles in the water in the valve water tank and the pressure gauge value does not change, it can be known that the air tightness of the valve is qualified. Otherwise, the air tightness of the valve is unqualified. This effectively avoids the situation where the gas in the valve is discharged through the sand holes when the valve has sand holes and leaks, resulting in the pressure gauge value not changing, thereby improving the detection accuracy;

[0021] 2. By setting the number of telescopic rods to be multiple, the bottoms of the multiple telescopic rods are fixedly installed with mounting blocks, so that the device can fix multiple valves at the same time, thereby achieving the effect of simultaneously performing air tightness detection on multiple valves and improving detection efficiency;

[0022] 3. Through the design of the air purification mechanism, when the air pump works to transport gas to the corrugated hose, the air purification mechanism purifies the air, effectively preventing dust in the air from entering the corrugated hose and adhering to the inner wall of the corrugated hose, thereby reducing the gas transportation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A three-dimensional structural schematic diagram of the utility model is shown;

[0025] Figure 2 The schematic diagram of the installation structure of the air purification mechanism of the utility model is shown;

[0026] Figure 3 A schematic diagram of the installation structure of the adjusting member of the utility model is shown;

[0027] Figure 4 A schematic diagram of the installation structure of the driving member of the utility model is shown;

[0028] As shown in the figure: 1. Base plate; 11. Water tank; 12. Mounting frame; 121. Electric push rod; 2. Telescopic rod; 21. Mounting block; 22. Slider; 23. Vertical plate; 231. Rubber pad; 232. Through hole; 24. Pressure gauge; 25. Corrugated hose; 26. Air pump; 261. Inlet pipe; 3. Driving part; 31. Bidirectional threaded rod; 4. Adjusting part; 41. Rotating rod; 42. Bevel gear assembly; 5. Air purification mechanism; 51. Air purification box; 52. Air inlet; 53. Filter plate; 54. Box cover; 6. Ventilation pipe. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1

[0031] In order to solve the technical problems in the background technology, a sealing performance testing device for valve production is provided as follows:

[0032] Combination Figure 1-Figure 4 As shown, the utility model provides a sealing performance inspection device for valve production, comprising a bottom plate 1, a water tank 11 is fixedly installed on the top of the bottom plate 1, and water is stored in the water tank 11. A mounting frame 12 is fixedly installed on the top of the bottom plate 1 and on one side of the water tank 11. A telescopic rod 2 in a vertical direction is installed on the mounting frame 12 and above the water tank 11. A mounting block 21 is fixed at the bottom end of the telescopic rod 2, and an electric push rod 121 connected to the mounting block 21 is installed on the mounting frame 12; two sliders 22 are slidably installed at the bottom of the mounting block 21, and a vertical plate 23 is fixedly installed at the bottom of the two sliders 22. A through hole is provided on the vertical plate 23. Hole, a pressure gauge 24 connected to the perforation is fixedly mounted on one of the vertical plates 23, a corrugated hose 25 connected to the perforation is fixedly mounted on the other vertical plate 23, an air pump 26 connected to the corrugated hose 25 is fixedly mounted on the top of the mounting frame 12, specifically, the air outlet end of the air pump 26 is connected to the corrugated hose 25; a rubber pad 231 is fixedly mounted on one side of the two vertical plates 23 close to each other, a through hole 232 connected to the perforation is opened on the rubber pad 231, a driving member 3 acting on the two sliders 22 is installed on the mounting block 21, and the driving member 3 is used to make the two sliders 22 slide in the opposite direction or stop sliding on the mounting block 21.

[0033] When testing the air tightness of the valve, the valve is located on the opposite sides of the two vertical plates 23, and the two ends of the valve are respectively sleeved outside the two through holes 232. The two sliders 22 are driven by the driving member 3 to slide in opposite directions on the mounting block 21 and approach each other, so that the rubber pads 231 on the two vertical plates 23 form a conflict with the valve to position the valve, and the air pump 26 is controlled to work to transport gas into the corrugated hose 25. The gas enters the valve through the perforation and the through hole 232. At the same time, the electric push rod 121 is controlled to make the mounting block 21 move downward along the telescopic rod 2, so that the valve extends. To the water source of the water tank 11, when there are no bubbles in the water in the valve water tank 11 and the value of the pressure gauge 24 does not change, it can be known that the valve air tightness is qualified, otherwise the valve air tightness is unqualified, which effectively avoids the situation where when there is sand hole leakage in the valve, the gas in the valve is discharged through the sand hole, resulting in the pressure gauge 24 value not changing, thereby improving the detection accuracy; by setting the rubber pads 231 on the two vertical plates 23 to form a conflict with the valve, the fit between the two vertical plates 23 and the valve is increased, and the sealing between the two vertical plates 23 and the valve is increased.

[0034] Embodiment 2

[0035] like Figure 1-Figure 4 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0036] In this embodiment, the driving member 3 includes a bidirectional threaded rod 31 which is horizontally and rotatably mounted on the mounting block 21. The bidirectional threaded rod 31 is threadedly connected to the two sliders 22. When in use, the bidirectional threaded rod 31 is rotated to make the two sliders 22 slide in opposite directions on the mounting block 21. The operation is simple. Since the bidirectional threaded rod 31 is threadedly connected to the two sliders 22 and has self-locking properties, the positions of the two sliders 22 can be fixed without rotating the bidirectional threaded rod 31, which is convenient for use.

[0037] In this embodiment, an adjusting member 4 acting on the bidirectional threaded rod 31 is installed on the mounting block 21, which is used to make the bidirectional threaded rod 31 rotate on the mounting block 21; the adjusting member 4 includes a rotating rod 41 which is horizontally and rotatably mounted on the mounting block 21, and the rotating rod 41 and the bidirectional threaded rod 31 are connected by a bevel gear assembly 42. The bevel gear assembly 42 includes two bevel gears meshing with each other, one of which is coaxially fixed to the rotating rod 41, and the other is coaxially fixed to the bidirectional threaded rod 31. By setting the adjusting member 4, it is convenient to make the bidirectional threaded rod 31 rotate on the mounting block 21. When in use, the rotating rod 41 can drive the bidirectional threaded rod 31 to rotate through the bevel gear assembly 42, and the operation is simple. Through the design of the bevel gear assembly 42, the rotating rod 41 is perpendicular to the bidirectional threaded rod 31, which further facilitates the operation of the staff.

[0038] In this embodiment, there are multiple telescopic rods 2, which are arranged in a horizontal linear array, and mounting blocks 21 are fixedly installed at the bottom of the multiple telescopic rods 2. By setting the number of telescopic rods 2 to be multiple, and the bottom of the multiple telescopic rods 2 to be fixedly installed with mounting blocks 21, the device can fix multiple valves at the same time, thereby achieving the effect of simultaneously performing air tightness detection on multiple valves and improving detection efficiency.

[0039] Embodiment 3

[0040] like Figure 1-Figure 4 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0041] In this embodiment, an air purification mechanism 5 is installed on the top of the mounting frame 12, and an air intake pipe 261 is fixedly installed at the air intake end of each of the multiple air pumps 26. The air intake pipe 261 is connected to the air purification mechanism 5. Through the design of the air purification mechanism 5, when the air pump 26 works to transport gas to the corrugated hose 25, the air purification mechanism 5 purifies the air, effectively preventing dust in the air from entering the corrugated hose 25 and adhering to the inner wall of the corrugated hose 25, thereby reducing the gas transportation efficiency.

[0042] In this embodiment, the air purification mechanism 5 includes: an air purification box 51, the top of which is open and fixedly mounted on the mounting frame 12, the multiple air inlet pipes 261 are all connected to the interior of the air purification box 51, the air purification box 51 is provided with an air inlet 52 connected to the interior thereof, a filter plate 53 for sealing the interior thereof is inserted in the air purification box 51, the filter plate 53 adopts a high-efficiency filter, and a box cover 54 for sealing the open end thereof is fixedly mounted on the air purification box 51 by screws. When in use, when the air pump 26 is working, the gas in the air purification box 51 is extracted and transported to the corrugated hose 25 through the air inlet pipe 261, and the external air enters the air purification box 51 through the air inlet 52. The external air enters the air purification box 51 and contacts the filter plate 53, thereby achieving the effect of filtering dust in the air through the filter plate 53.

[0043] In this embodiment, a ventilation pipe 6 is fixedly installed on one side of the two vertical plates 23 close to each other. The ventilation pipe 6 is connected to the through hole and extends to the outside of the rubber pad 231. Through the design of the ventilation pipe 6, when the valve is clamped and positioned by the two vertical plates 23, the two ends of the valve are respectively mounted on the outside of the two ventilation pipes 6, thereby effectively avoiding the situation where the valve shell blocks the two through holes and affects the gas circulation when the valve is clamped and positioned by the two vertical plates 23.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sealing performance testing device for valve production, characterized in that: It includes a bottom plate, a water tank is fixedly installed on the top of the bottom plate, water is stored in the water tank, a mounting frame is fixedly installed on the top of the bottom plate and on one side of the water tank, a telescopic rod in a vertical direction is installed on the mounting frame and above the water tank, a mounting block is fixed on the bottom end of the telescopic rod, and an electric push rod connected to the mounting block is installed on the mounting frame; Two sliders are slidably mounted on the bottom of the mounting block, and vertical plates are fixedly mounted on the bottom of the two sliders. The vertical plates are provided with through holes, a pressure gauge connected to the through holes is fixedly mounted on one of the vertical plates, a corrugated hose connected to the through holes is fixedly mounted on the other vertical plate, and an air pump connected to the corrugated hose is fixedly mounted on the top of the mounting frame; A rubber pad is fixedly installed on one side of the two vertical plates close to each other. The rubber pad is provided with a through hole connected to the through hole. A driving member acting on the two sliders is installed on the mounting block, which is used to make the two sliders slide in the opposite direction or stop sliding on the mounting block.

2. A sealing performance testing device for valve production according to claim 1, characterized in that: The driving member comprises a bidirectional threaded rod which is horizontally rotatably mounted on the mounting block, and the bidirectional threaded rod is threadedly connected to the two sliding blocks.

3. A sealing performance testing device for valve production according to claim 2, characterized in that: An adjusting piece acting on the bidirectional threaded rod is installed on the mounting block, and is used to make the bidirectional threaded rod rotate on the mounting block.

4. The sealing performance testing device for valve production according to claim 3 is characterized in that: The adjusting member comprises a rotating rod which is horizontally rotatably mounted on the mounting block, and the rotating rod is connected to the bidirectional threaded rod via a bevel gear assembly.

5. The sealing performance testing device for valve production according to claim 1 is characterized in that: There are multiple telescopic rods, which are arranged in a horizontal linear array, and mounting blocks are fixedly mounted on the bottoms of the multiple telescopic rods.

6. The sealing performance testing device for valve production according to claim 1, characterized in that: An air purification mechanism is installed on the top of the mounting frame, and air intake pipes are fixedly installed on the air intake ends of the multiple air pumps, and the air intake pipes are connected to the air purification mechanism.

7. The sealing performance testing device for valve production according to claim 6, characterized in that: The air purification mechanism comprises: The air purification box has an open top and is fixedly mounted on a mounting frame, a plurality of air inlet pipes are connected to the interior of the air purification box, an air inlet connected to the interior of the air purification box is provided on the air purification box, a filter plate for sealing the interior of the air purification box is inserted in the air purification box, and a box cover for sealing the open end is fixedly mounted on the air purification box by screws.

8. The sealing performance testing device for valve production according to claim 1, characterized in that: A ventilation pipe is fixedly installed on one side of the two vertical plates close to each other. The ventilation pipe is connected with the through hole and extends to the outside of the rubber pad.

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