Device for verifying valve

Abstract

The utility model discloses a device for verifying a valve, which comprises a box body, an accommodating cavity for accommodating engine oil or diesel oil is formed inside the box body, an oil filling port and an air filling port which are communicated with the accommodating cavity are arranged at the top of the box body, an air pipe joint is arranged at the air filling port, an oil filling joint is arranged at the oil filling port, and a valve is arranged in the oil filling port. A sealing plug is arranged at an opening of the refueling connector, a mounting opening is formed in the lower end of the side wall of the box body, and a valve connector used for being connected with a valve to be verified is arranged on the mounting opening. The device provided by the utility model can effectively verify the quality of the valve on the whole, can be used for design and model selection, factory inspection and the like, can verify a plurality of valves at the same time, and improves the detection efficiency and accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of valve detection equipment, and more specifically, to a device for verifying a valve. Background Art

[0002] As a key component in industrial process control, valves are widely used in many fields such as petroleum, chemical, electric power, pharmaceutical, food, etc. The reliability of valves directly affects the safety and efficiency of the entire system. Therefore, testing and verifying valves is an important means to ensure their normal operation.

[0003] In the prior art, the inspection method of valves is single, and the inspection of purchased parts is only carried out by checking the model, which cannot determine the performance of the valve and its performance in a specific liquid environment. Usually, valve leakage occurs during the post-installation test or after the product is delivered, and the valve needs to be replaced. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a device for verifying valves, so as to solve the problem that the valve inspection method in the prior art is single and leakage is easy to occur after installation and use.

[0005] To achieve the above purpose, the technical solution of the utility model is:

[0006] A device for verifying a valve comprises a box body, wherein a holding cavity for containing engine oil or diesel is formed inside the box body, a refueling port and a gas filling port connected to the holding cavity are formed on the top of the box body, an air pipe joint is installed at the gas filling port, a refueling connector is installed at the refueling port, a sealing plug is provided at the opening of the refueling connector, an installation port is formed at the lower end of the side wall of the box body, and a valve connector for connecting the valve to be verified is provided on the installation port.

[0007] Furthermore, a plurality of the installation ports are provided on the four side walls of the box body, corresponding to a plurality of valve connectors, and the plurality of valve connectors are arranged in different sizes for connecting a plurality of different models of valves to be verified.

[0008] Furthermore, an oil outlet is provided at the lower end of the side wall of the box body, an oil outlet joint is installed at the oil outlet, an oil outlet valve is provided on the oil outlet joint, and the outlet end of the oil outlet valve is connected to the recovery box through an oil outlet pipe.

[0009] Furthermore, the outlet end of the refueling connector is provided with a side ear strip extending radially outward, and the side ear strip is provided with a side ear hole; the sealing plug includes a plug cover and a plug body connected to the plug cover, the size of the plug body is adapted to the inner diameter of the refueling connector, and the circumferential side of the plug cover is provided with a side ear plate extending radially outward, and the side ear plate is provided with a limiting column adapted to the side ear hole.

[0010] Furthermore, a plurality of the side ear strips and the side ear plates are arranged in a circular array and correspond to each other.

[0011] Furthermore, a pressure gauge is installed on the box.

[0012] The beneficial effects of the utility model are:

[0013] The device for verifying valves provided by the utility model, when in use, installs the valve that needs to be verified or tested on the valve connector, and the remaining valve connectors can be sealed with plugs, and then the valve is closed, and engine oil or diesel is added to the box through the refueling joint, and then the refueling joint is sealed, and a certain amount of air is added to the box through the air pipe joint of the air filling port to appropriately increase the pressure in the box, and then it is left to stand for about an hour to check whether there is leakage at the valve; the overall valve quality can be effectively verified, and it can be used for design selection, factory inspection and other work, and multiple valves can be verified at the same time, which improves the detection efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application 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 present application, and for ordinary technicians in this field, other embodiments can also be obtained based on these drawings.

[0015] Figure 1 It is a structural schematic diagram of a device for verifying a valve in the utility model.

[0016] Figure 2 It is a structural schematic diagram of the utility model in which the refueling joint, the air pipe joint and some valve connecting heads are omitted.

[0017] Figure 3 This utility model Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] Description of reference numerals:

[0020] 1. Box body; 11. Accommodating chamber; 12. Refueling port; 13. Gas filling port; 14. Installation port; 2. Air pipe joint; 3. Refueling joint; 31. Side ear strip; 32. Side ear hole;

[0021] 4. Sealing plug; 41. Plug cover; 42. Plug body; 43. Side ear plate; 44. Limiting column;

[0022] 5. Valve connector; 6. Pressure gauge. DETAILED DESCRIPTION

[0023] The structure provided by the utility model is explained and illustrated in detail below in conjunction with the accompanying drawings of the specification.

[0024] refer to Figures 1 to 4 As shown, this embodiment specifically discloses a device for verifying a valve, including a box body 1, a housing 1 having a housing chamber 11 for containing engine oil or diesel, a top of the box body 1 having a refueling port 12 and a gas filling port 13 connected to the housing chamber 11, a trachea connector 2 installed at the gas filling port 13, a refueling connector 3 installed at the refueling port 12, a sealing plug 4 provided at the opening of the refueling connector 3 for sealing the opening of the refueling connector 3 after refueling is completed; a mounting port 14 is provided at the lower end of the side wall of the box body 1, and a valve connector 5 for connecting the valve to be verified is provided on the mounting port 14.

[0025] In this embodiment, the box body 1 can be welded and formed by Q235 or Q355 steel plates, which has high strength, good welding performance and processing performance, can resist corrosion from engine oil and diesel, and can withstand at least 0.8Mpa of air pressure. The valve connector 5 can be any one of ZG1 / 2", ZG3 / 4", ZG1", ZG1 / 4" and other pipe threaded connectors. In some embodiments, multiple installation ports of different sizes can also be processed on the four sides of the box body, front, back, left, and right, so as to facilitate the connection of multiple types of valve connectors 5, and then can be used to install and test valves of different types at the same time; thereby improving the detection efficiency.

[0026] In this embodiment, when in use, the valves that need to be verified and tested can be installed on the corresponding valve connectors 5 respectively, and the remaining redundant valve connectors 5 can be sealed with plugs, and then the switch of the valve to be verified is closed, the sealing plug 4 of the refueling connector 3 is opened, at least 2 / 3 of the engine oil or diesel is added to the box body 1, and then the sealing plug 4 is covered, and 0.8Mpa of air pressure is flushed into the box body 1 through the air pipe connector 2. The air pipe connector 2 can be a female head of an air pipe quick connector. The pressure of the air flushed can be adaptively adjusted, and no specific limitation is made here. After flushing the air, maintain a certain pressure and let it stand at room temperature for about 1 hour. Check whether there is any leakage at the valve to be verified to complete the detection; in order to observe the internal pressure of the box body 1, in some embodiments, a pressure gauge 6 is also installed on the box body 1.

[0027] In some embodiments, an outer box is also included, which can accommodate the entire box 1 and various joints as well as valves and other components installed on the corresponding joints; after the test at room temperature is completed, the entire box 1 together with the valve can continue to be placed in the outer box at the same time, and a heating component and a cooling component are provided in the outer box. The heating component and the cooling component are controlled in a cycle to perform a 24-hour temperature cycle test. Similarly, the test time can be adjusted as needed. After the test is completed, the valve can be taken out and the condition of the valve can be checked, so as to detect the high and low temperature resistance of the valve.

[0028] In some embodiments, an oil outlet is also provided at the lower end of the side wall of the box body 1, and an oil outlet joint is installed at the oil outlet, and an oil outlet valve is provided on the oil outlet joint, and the outlet end of the oil outlet valve is connected to the recovery box through an oil outlet pipe; wherein, the oil outlet, the oil outlet valve, the oil outlet pipe and the recovery box are not shown in the figure; in this embodiment, by providing the oil outlet pipe and the recovery box, the engine oil or diesel after verification and use can be recovered, thereby avoiding waste and saving the verification test cost.

[0029] refer to Figure 4 As shown, the outlet end of the refueling connector 3 is provided with a radially outwardly extending side ear strip 31, and a side ear hole 32 is formed on the side ear strip 31; the sealing plug 4 includes a plug cover 41 and a plug body 42 connected to the plug cover 41, the size of the plug body 42 is adapted to the inner diameter of the refueling connector 3, and the circumferential side of the plug cover 41 is provided with a radially outwardly extending side ear plate 43, and a limiting column 44 adapted to the side ear hole 32 is formed on the side ear plate 43; the limiting column 44 passes through the side ear hole and is connected to a positioning piece to achieve limiting fixation; the connection stability performance between the sealing plug 4 and the refueling connector 3 can be improved, and the internal pressure of the box body 1 can be ensured during the sealing test; in order to further improve the sealing stability after connection, a plurality of side ear strips 31 and side ear plates 43 are arranged in a circumferential array, and the side ear hole 32 on each side ear strip 31 corresponds to the limiting column 44 on the corresponding side ear plate 43.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the description of this specification, the description with reference to the terms "this embodiment", "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any at least one embodiment or example. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement and simple improvement made to the essential content of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for verifying a valve, characterized in that: It comprises a box body, wherein a accommodating cavity for accommodating engine oil or diesel is formed inside the box body, a refueling port and a gas filling port connected to the accommodating cavity are formed on the top of the box body, an air pipe joint is installed at the gas filling port, a refueling connector is installed at the refueling port, a sealing plug is provided at the opening of the refueling connector, an installation port is provided at the lower end of the side wall of the box body, and a valve connector for connecting the valve to be verified is provided on the installation port.

2. The device for verifying a valve according to claim 1, characterized in that: The four side walls of the box body are provided with a plurality of installation ports, corresponding to which are connected a plurality of valve connectors. The plurality of valve connectors are arranged in different sizes and are used to connect a plurality of different models of valves to be verified.

3. The device for verifying a valve according to claim 1, characterized in that: An oil outlet is also provided at the lower end of the side wall of the box body, an oil outlet joint is installed at the oil outlet, an oil outlet valve is arranged on the oil outlet joint, and the outlet end of the oil outlet valve is connected to the recovery box through an oil outlet pipe.

4. The device for verifying a valve according to claim 1, characterized in that: The outlet end of the refueling connector is provided with a side ear strip extending radially outward, and the side ear strip is provided with a side ear hole; the sealing plug includes a plug cover and a plug body connected to the plug cover, the size of the plug body is adapted to the inner diameter of the refueling connector, and the circumferential side of the plug cover is provided with a side ear plate extending radially outward, and the side ear plate is provided with a limiting column adapted to the side ear hole.

5. The device for verifying a valve according to claim 4, characterized in that: The side ear strips and the side ear plates are arranged in a plurality of circular arrays and correspond to each other.

6. The device for verifying a valve according to claim 1, characterized in that: A pressure gauge is also installed on the box body.

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