Exhaust valve detection device

Abstract

The utility model relates to an exhaust valve detection device, comprising a test assembly which comprises an accommodating member, the accommodating member is internally provided with an accommodating cavity, the accommodating cavity is used for accommodating liquid and gas, the side wall of the accommodating member is provided with a first through hole and a second through hole, the first through hole and the second through hole are both communicated with the accommodating cavity, and the first through hole and the second through hole are communicated with the accommodating cavity; the first through hole is used for being connected with an exhaust valve to be detected, the height of the first through hole is lower than that of the second through hole, and a transparent part is arranged at the end part of the accommodating part; and the detection end of the first detection piece faces the transparent piece. The exhaust valve detection device provided by the utility model can improve the accuracy of exhaust valve detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially, relate to a exhaust valve detection device. BACKGROUND

[0002] The exhaust valve of non-bonding flexible pipe needs to be detected after production, so as to judge whether the exhaust valve meets the standard. At present, high pressure gas is input to the input end of the exhaust valve, whether the gas flows out from the output end of the exhaust valve is detected, so as to detect whether the exhaust valve meets the standard, but the exhaust valve is often in the working environment of water, some exhaust valves are normal in ventilation detection, but the exhaust valve has problems after working in water, therefore the detection of the existing detection device is not accurate. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem in providing a exhaust valve detection device, can improve the accuracy of exhaust valve detection.

[0004] In order to solve the above technical problem, the utility model provides a exhaust valve detection device, include: test subassembly, including containing piece, the containing cavity is equipped in the containing piece, the containing cavity is used for containing liquid and gas, the side wall of containing piece is equipped with first through -hole and second through -hole, first through -hole with second through -hole all with containing cavity is communicated, first through -hole is used for with the exhaust valve to be detected is connected, and the height of first through -hole is lower than the height of second through -hole, the end of containing piece is equipped with transparent piece, first detection piece, the detection end of first detection piece is toward transparent piece.

[0005] In an embodiment of the utility model, the containing cavity is also equipped with second detection piece, and the second detection piece is used for detecting the pressure of the containing cavity, and the first detection piece and the second detection piece are connected with the controller.

[0006] In an embodiment of the utility model, the second through -hole is also connected with low pressure valve, and the low pressure valve is connected with gas supply piece, and the gas supply piece is also used for being connected with the exhaust valve to be detected.

[0007] In an embodiment of the utility model, the both ends of containing piece are equipped with end cap, and the end cap is equipped with observation hole, the containing piece is equipped with clamping slot, the transparent piece is located in the clamping slot, and the end cap is in abutment with the transparent piece.

[0008] In an embodiment of the utility model, the first sealing piece is arranged between the transparent piece and the bottom of the clamping slot.

[0009] In one embodiment of the utility model, the end cover includes a convex part, the convex part is in abutment with the transparent piece, the sum of the thickness of the sealing gasket, the thickness of the transparent piece and the distance that the convex part extends into the clamping groove is greater than the depth of the clamping groove.

[0010] In one embodiment of the utility model, the accommodating piece is further provided with a third through hole and a fourth through hole, the third through hole is connected with a sealing plug, and the fourth through hole is connected with a pressure relief valve.

[0011] In one embodiment of the utility model, a base is further included, the accommodating piece is connected with a first support, the first detection piece is connected with a second support, and the first support and the second support are both connected with the base.

[0012] In one embodiment of the utility model, the base includes a first guide piece and a second guide piece, the first guide piece is provided with a first sliding groove, the second guide piece is provided with a second sliding groove, a straight line where the first sliding groove is located is parallel to a straight line where the second sliding groove is located, the end of the first guide piece and the end of the second guide piece are both connected with a stop block, the first support is connected with the first sliding groove through a fastener, and the second support is connected with the second sliding groove through a fastener.

[0013] In one embodiment of the utility model, the base further includes a third guide piece, the third guide piece is provided with a third sliding groove, a straight line where the third sliding groove is located is perpendicular to a straight line where the first sliding groove is located, the first guide piece and the second guide piece are both connected with a connecting plate, and the connecting plate is connected with the third sliding groove through a fastener.

[0014] The above technical scheme of the utility model has the following advantages compared with the prior art:

[0015] The exhaust valve detection device provided by the utility model can simulate the working environment of the exhaust valve to be detected, so that the detection result of the exhaust valve is more real and the accuracy is higher, in the detection process of the exhaust valve, the first detection piece is used to judge whether bubbles are generated in the liquid, so that whether the exhaust valve works is judged, and the detection and judgment of the exhaust valve are more convenient. The second detection piece is used to detect the pressure in the accommodating cavity, so that the working of the exhaust valve to be detected is detected by the two detection pieces at the same time, and the accuracy of the detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily understood clearly, the utility model is further described in detail below according to the specific embodiments of the utility model and in combination with the drawings.

[0017] Figure 1 It is a structure schematic view of the exhaust valve detection device of the utility model;

[0018] Figure 2 is a structural schematic view of the test assembly;

[0019] Figure 3 is a partial structural sectional view of Figure 2

[0020] Figure 4 is a top view of the base.

[0021] Explanation of the drawing marks: 1, base; 2, test assembly; 3, first detection piece; 4, exhaust valve to be detected; 5, sealing plug; 6, pressure relief valve; 11, first guide piece; 12, second guide piece; 13, connecting plate; 14, stop block; 15, third guide piece; 21, containing piece; 22, end cover; 23, first support; 24, transparent piece; 25, first sealing piece; 26, first through hole; 27, second through hole; 28, third through hole; 29, fourth through hole; 31, second support; 41, second sealing piece; 51, third sealing piece. DETAILED DESCRIPTION

[0022] The utility model will be further explained in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0023] Referring to Figures 1 to 3 The exhaust valve detection device of the utility model includes test assembly 2, test assembly 2 includes containing piece 21, the containing cavity is equipped with in containing piece 21, the containing cavity is used for containing liquid and gas, the side wall of containing piece 21 is equipped with first through hole 26 and second through hole 27, first through hole 26 and second through hole 27 all communicate with containing cavity, first through hole 26 is used for being connected with exhaust valve 4 to be detected, and the height where first through hole 26 is located is lower than the height where second through hole 27 is located, the end of containing piece 21 is equipped with transparent piece 24, first detection piece 3, the detection end of first detection piece 3 is towards transparent piece 24.

[0024] ​The exhaust valve detection device of the embodiment connects the exhaust valve 4 to be detected with the first through hole 26, injects liquid into the containing cavity, makes the liquid level higher than the position of the first through hole 26, then injects gas into the containing cavity through the second through hole 27, makes the pressure in the containing cavity increase, the pressure in the containing cavity is lower than the exhaust pressure of the exhaust valve, thereby simulating the working environment of the exhaust valve 4 to be detected, applying a pressure greater than the exhaust pressure of the exhaust valve to the exhaust valve 4 to be detected, if the exhaust valve 4 to be detected is normal, the exhaust valve 4 to be detected exhausts gas, the gas forms bubbles in the liquid, the first detection member 3 can detect the formation of bubbles, if the exhaust valve 4 to be detected is abnormal, no bubbles are formed in the liquid, or the exhaust valve exhausts gas when the pressure applied to the exhaust valve 4 to be detected has not reached the exhaust pressure, bubbles are formed in the liquid. The setting of the containing member 21 can simulate the working environment of the exhaust valve 4 to be detected, thereby making the detection result of the exhaust valve more real and the accuracy higher, in the process of detecting the exhaust valve, the first detection member 3 judges whether bubbles are generated in the liquid, thereby judging whether the exhaust valve works, and the detection and judgment of the exhaust valve are more convenient.

[0025] The test assembly 2 comprises a containing member 21, the containing member 21 is in the shape of a cylinder as a whole, the containing member 21 is internally provided with a cylindrical containing cavity, the containing cavity is used for containing liquid and gas, in the process of detecting the exhaust valve, the containing cavity is injected with liquid, the liquid can be regarded as water. The side wall of the containing member 21 is provided with a first through hole 26 and a second through hole 27, the first through hole 26 and the second through hole 27 penetrate through the side wall of the containing member 21, thereby making the first through hole 26 and the second through hole 27 both communicate with the containing cavity. The first through hole 26 is used for connecting the exhaust valve 4 to be detected, and the height of the first through hole 26 is lower than the height of the second through hole 27, thereby making the liquid level of the liquid in the containing cavity higher than the position of the first through hole 26, and the liquid level is lower than the position of the second through hole 27. Preferably, the first through hole 26 is located at the bottom of the containing member 21, and the second through hole 27 is located at the top of the containing member 21, thereby making the bubbles in the liquid more obvious after the exhaust valve 4 to be detected exhausts gas. Preferably, the side of the containing member 21 abutting with the exhaust valve 4 to be detected is provided with a second sealing member 41, thereby preventing the liquid and gas from leaking between the exhaust valve 4 to be detected and the containing member 21.

[0026] The end of the receiving member 21 is provided with a transparent member 24, which can be regarded as a transparent glass plate. Specifically, both ends of the receiving member 21 are provided with transparent members 24, and both ends of the receiving member 21 are also provided with end caps 22. The end caps 22 are provided with observation holes, the central axis of which is collinear with the central axis of the receiving cavity. The end of the receiving member 21 is provided with a slot, which communicates with the receiving cavity. The transparent member 24 is located in the slot, and the end caps 22 abut against the transparent member 24, thereby fixing the position of the transparent member 24. Through the observation holes, it is possible to observe whether there are bubbles escaping from the liquid in the receiving cavity. Preferably, a first sealing element 25 is provided between the transparent element 24 and the bottom of the slot. The first sealing element 25 can be regarded as a sealing ring. The first sealing element 25 fits against the bottom and edge of the slot. The end cap 22 also includes a protrusion that abuts against the transparent element 24. The sum of the thickness of the sealing gasket, the thickness of the transparent element 24, and the distance the protrusion extends into the slot is greater than the depth of the slot. Specifically, the end cap 22 and the receiving element 21 are connected by bolts. During the connection process between the end cap 22 and the receiving element 21, the first sealing element 25 can be squeezed, thereby reducing the thickness of the first sealing element 25 and improving the sealing performance of the receiving cavity.

[0027] The first detection element 3 can be considered a visual detection element. The detection end of the first detection element 3 faces the transparent element 24, enabling it to detect whether air bubbles are escaping from the liquid within the containment cavity. A second detection element, which can be considered a pressure sensor, is also provided within the containment cavity to detect the pressure within the cavity. Both the first and second detection elements are connected to an external controller. When the exhaust valve detection device is operating, after the exhaust valve 4 under test exhausts air, the first detection element 3 can detect the emergence of air bubbles in the liquid, and the second detection element can detect the increase in pressure within the containment cavity. Thus, by using two detection elements to detect the operation of the exhaust valve 4 under test, the accuracy of the detection results is ensured.

[0028] The second through hole 27 of the receiving member 21 is also connected to a low-pressure valve, which is connected to an air supply component. The air supply component is also used to connect to the exhaust valve 4 to be tested. The air supply component can apply air pressure to the low-pressure valve and the exhaust valve. The exhaust pressure of the low-pressure valve is less than the exhaust pressure of the exhaust valve 4 to be tested. The low-pressure valve ensures air pressure within the receiving cavity, thereby simulating the working environment of the exhaust valve 4 to be tested. Preferably, a third sealing element 51 is provided on the side of the low-pressure valve that abuts against the receiving member 21 to prevent gas leakage between the low-pressure valve and the receiving member 21.

[0029] The top of the receiving component 21 is also provided with a third through hole 28 and a fourth through hole 29. Liquid can be injected or drawn into the receiving cavity from the outside through the third through hole 28. The third through hole 28 is connected to a sealing plug 5. During the operation of the exhaust valve detection device, the sealing plug 5 blocks the third through hole 28, keeping the receiving cavity sealed. The fourth through hole 29 is connected to a pressure relief valve 6. The pressure relief valve 6 is a manual pressure relief valve. When the end cover 22 needs to be removed or the exhaust valve 4 to be tested needs to be replaced, the pressure relief valve 6 is used to release pressure in the receiving cavity, making the air pressure inside the receiving cavity the same as the air pressure outside the receiving cavity. Multiple receiving components 21 can be provided, so that multiple exhaust valves 4 to be tested can be tested simultaneously. Multiple pressure relief valves 6 are connected in sequence. Preferably, the mounting positions of the low-pressure valve and the exhaust valve 4 to be tested on the receiving member 21 are provided with mounting planes, that is, the positions of the first through hole 26 and the second through hole 27 on the outer side wall of the receiving member 21 are flat, thereby making the low-pressure valve and the exhaust valve 4 to be tested fit the receiving member 21 better, thereby improving the sealing performance.

[0030] Reference Figure 4 As shown, the base 1 supports the receiving component 21 and the first detection component 3. The receiving component 21 is connected to a first bracket 23, and the first detection component 3 is connected to a second bracket 31. Both the first bracket 23 and the second bracket 31 are connected to the base 1. Specifically, the base 1 includes a first guide component 11 and a second guide component 12 arranged parallel to each other and located on the same plane. The first guide component 11 has a first sliding groove, and the second guide component 12 has a second sliding groove. The first bracket 23 is connected to the first sliding groove by fasteners, which include bolts and movable blocks. The movable blocks can slide within the first sliding groove. By rotating the bolts, the movable blocks abut against the side wall of the first sliding groove, thereby fixing the position of the first bracket 23. The second bracket 31 is connected to the second sliding groove by fasteners. The connection method between the second bracket 31 and the second sliding groove is the same as that between the first bracket 23 and the first sliding groove, and will not be described again. The straight line of the first sliding groove is parallel to the straight line of the second sliding groove, so that the first bracket 23 and the second bracket 31 are parallel, and the detection end of the detection component can face the transparent component 24. Both the ends of the first guide member 11 and the second guide member 12 are connected to a stop block 14. The stop block 14 can prevent the first bracket 23 or the second bracket 31 from disengaging from the corresponding guide member when adjusting the position of the first bracket 23 and the second bracket 31.

[0031] The base 1 also includes a third guide 15, which has a third slide groove. The line of the third slide groove is perpendicular to the line of the first slide groove. The first guide 11 and the second guide 12 are both connected to a connecting plate 13. The connecting plate 13 is connected to the third slide groove by fasteners, so that the movable range of the receiving part 21 and the first detection part 3 is larger and the position is more flexible. The connection method between the connecting plate 13 and the third slide groove is the same as the connection method between the first bracket 23 and the first slide groove, and will not be described again.

[0032] In use, connect the exhaust valve 4 to be tested to the first through hole 26, and inject liquid into the receiving cavity through the third through hole 28. After the liquid level reaches the designated position, seal the third through hole 28 with the sealing plug 5. Then start the gas supply device and inject gas into the receiving cavity through the low-pressure valve to raise the pressure in the receiving cavity to the designated value. Apply a pressure greater than the exhaust valve's exhaust pressure to the exhaust valve 4 to be tested. When the first detection element 3 detects the formation of bubbles in the liquid and the second detection element detects that the pressure in the receiving cavity has risen to the designated value, it proves that the exhaust valve 4 to be tested is working normally, and the pressure valve to be tested is venting gas. When the first detection element 3 does not detect the formation of bubbles in the liquid and the second detection element does not detect that the pressure in the receiving cavity has risen to the designated value, it proves that the exhaust valve 4 to be tested is not working normally. When the exhaust valve 4 to be tested is not subjected to an exhaust pressure greater than the exhaust valve's exhaust pressure, but the first detection element 3 detects the formation of bubbles in the liquid and the second detection element detects that the pressure in the receiving cavity has risen, it proves that the exhaust valve 4 to be tested is not working normally. After completing one test of the exhaust valve 4 to be tested, the low-pressure valve is depressurized by the external solenoid valve, and the pressure in the containment chamber drops to the specified value. Then the exhaust valve 4 to be tested is tested again. After the exhaust valve 4 to be tested is tested a specified number of times, the test of the exhaust valve 4 to be tested is completed.

[0033] This utility model discloses an exhaust valve testing device. Through the inclusion of a housing 21, it simulates the working environment of the exhaust valve 4 under test, thereby making the test results more realistic and accurate. During the exhaust valve testing process, the first detection element 3 determines whether air bubbles are generated in the liquid, thus indicating whether the exhaust valve is working, and making the testing and judgment of the exhaust valve more convenient. The second detection element detects the pressure within the housing cavity, thus simultaneously testing the operation of the exhaust valve 4 under test through two detection elements, ensuring the accuracy of the test results.

[0034] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. An exhaust valve detection device, characterized in that, include: The test assembly includes a container with a cavity for containing liquid and gas. The side wall of the container has a first through hole and a second through hole, both of which communicate with the cavity. The first through hole is used to connect to the exhaust valve to be tested, and the height of the first through hole is lower than the height of the second through hole. The end of the container has a transparent part. The first detection element has its detection end facing the transparent element.

2. The exhaust valve detection device according to claim 1, characterized in that: The cavity is also equipped with a second detection element, which is used to detect the pressure in the cavity. Both the first and second detection elements are connected to the controller.

3. The exhaust valve detection device according to claim 1, characterized in that: The second through hole is also connected to a low-pressure valve, which is connected to an air supply component, and the air supply component is also used to connect to the exhaust valve to be tested.

4. The exhaust valve detection device according to claim 1, characterized in that: The receiving component has end caps at both ends, each end cap having an observation hole. The receiving component has a slot, and the transparent component is located within the slot. The end caps abut against the transparent component.

5. The exhaust valve detection device according to claim 4, characterized in that: A first sealing element is provided between the transparent component and the bottom of the slot.

6. The exhaust valve detection device according to claim 5, characterized in that: The end cap includes a protrusion that abuts against the transparent element. The sum of the thickness of the first sealing element, the thickness of the transparent element, and the distance by which the protrusion extends into the slot is greater than the depth of the slot.

7. The exhaust valve detection device according to claim 1, characterized in that: The receiving component is also provided with a third through hole and a fourth through hole, the third through hole being connected to a sealing plug and the fourth through hole being connected to a pressure relief valve.

8. The exhaust valve detection device according to claim 1, characterized in that: It also includes a base, the receiving element is connected to a first bracket, the first detection element is connected to a second bracket, and both the first bracket and the second bracket are connected to the base.

9. The exhaust valve detection device according to claim 8, characterized in that: The base includes a first guide and a second guide. The first guide has a first groove, and the second guide has a second groove. The straight line of the first groove is parallel to the straight line of the second groove. Both the first guide and the second guide are connected to a stop block at their ends. The first bracket is connected to the first groove by a fastener, and the second bracket is connected to the second groove by a fastener.

10. The exhaust valve detection device according to claim 9, characterized in that: The base also includes a third guide member, which has a third slide groove. The line of the third slide groove is perpendicular to the line of the first slide groove. Both the first guide member and the second guide member are connected to a connecting plate. The connecting plate is connected to the third slide groove by fasteners.

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