CN214502796U

CN214502796U - Valve reliability tester

Info

Publication number: CN214502796U
Application number: CN202120952907.3U
Authority: CN
Inventors: 周宏华
Original assignee: Shanghai Qinneng Industrial Co ltd
Current assignee: Shanghai Qinneng Industrial Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-10-26
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a valve reliability tester relates to valve test field, because often need switch the valve in the use to the valve, just lead to the cooperation between the internals very easily to produce the difference, and then influence the leakproofness of valve, in case the valve leakproofness variation, the staff is difficult to find the scheduling problem usually, now proposes following scheme, which comprises a valve body, the inside of valve body is formed with the valve pocket, a liquid cavity has been seted up to one side of valve pocket, be provided with the drain pipe with the valve pocket intercommunication in the liquid cavity, first feed liquor chamber and second feed liquor chamber have been seted up to one side that the valve pocket deviates from a liquid cavity, one side that the valve body was provided with first feed liquor chamber and second feed liquor chamber is provided with a plurality of coupling assembling. The utility model discloses simple structure can detect the leakproofness of valve, and the staff of being convenient for simultaneously watches the testing result, knows the particular case in the valve, can be timely maintain convenient to use to the valve.

Description

Valve reliability tester

Technical Field

The utility model relates to a valve test field especially relates to a valve reliability tester.

Background

The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. Valves used for fluid control range from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, ranging in variety and specification from the very tiny instrument valves up to industrial pipeline valves with nominal diameters of up to 10 m. The valve can be used for controlling various types of fluid such as water, steam, oil products, gas, slurry, various corrosive media, liquid metal, radioactive fluid and the like to flow, the working pressure of the valve can be ultrahigh pressure from 0.0013MPa to 1000MPa, and the working temperature can be from ultralow temperature of minus 270 ℃ to high temperature of 1430 ℃.

In addition, the valve is frequently required to be opened and closed in the use process, so that the matching among internal parts is easy to generate difference, the sealing performance of the valve is further influenced, and once the sealing performance of the valve is poor, a worker is difficult to find, and the valve reliability tester is further provided.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a valve reliability tester, the device can detect the leakproofness of valve, and the staff of being convenient for simultaneously watches the testing result, knows the particular case of valve, can be timely maintain convenient to use to the valve.

(II) technical scheme

The utility model provides a valve reliability tester, includes the valve body, the inside of valve body is formed with the valve pocket, a liquid cavity has been seted up to one side of valve pocket, be provided with the drain pipe with the valve pocket intercommunication in the liquid cavity, first feed liquor chamber and second feed liquor chamber have been seted up to one side that the valve pocket deviates from a liquid cavity, one side that the valve body was provided with first feed liquor chamber and second feed liquor chamber is provided with a plurality of coupling assembling, and is a plurality of coupling assembling communicates with the valve pocket through first feed liquor chamber and second feed liquor chamber, be provided with the case subassembly in the valve pocket, the first feed liquor chamber of case subassembly along valve pocket axis motion control and the intercommunication or the disconnection in liquid cavity, one side that a liquid cavity was seted up to the valve pocket is provided with interface channel, the valve body still is provided with test assembly with drain pipe vertically one side, test assembly communicates with the valve pocket through interface channel.

Further, the method comprises the following steps: the valve cavity comprises a first cavity, a second cavity and a third cavity, the first cavity is communicated with the first liquid inlet cavity, the third cavity is communicated with the second liquid inlet cavity, the second cavity is communicated with the liquid outlet cavity, the diameter of the second cavity is smaller than that of the first cavity and that of the third cavity, and the contact surfaces of the first cavity, the third cavity and the second cavity are respectively provided with a first lug and a second lug.

Further, the method comprises the following steps: the valve core assembly comprises a connecting rod, a first sealing plug and a second sealing plug, the first sealing plug and the second sealing plug are connected with two ends of the connecting rod, the first sealing plug is located in a first cavity, the second sealing plug is located in a third cavity, the diameters of the first sealing plug and the second sealing plug are larger than the inner diameter of the second cavity, the connecting rod is located in the second cavity, when the second sealing plug is in contact with a second bump, the second liquid inlet cavity and the liquid outlet cavity are in a disconnected state, the first liquid inlet cavity and the liquid outlet cavity are in a communicated state, when the first sealing plug is in contact with the first bump, the first liquid inlet cavity and the liquid outlet cavity are in a disconnected state, the second liquid inlet cavity and the liquid outlet cavity are in a communicated state, and a sealing gasket for sealing is arranged on one side, close to each other, of the first sealing plug and the second sealing plug.

Further, the method comprises the following steps: the testing assembly comprises a first transparent box, a display block, a fixing plate and an installation part, wherein the fixing plate and the installation part are connected with the valve body, the first transparent box is connected with the fixing plate, a second transparent box is arranged in the first transparent box, a guide pipe penetrating through and extending out of the first transparent box is arranged on one side of the second transparent box, one side of the guide pipe, which deviates from the second transparent box, is connected with the installation part, the guide pipe is communicated with the connecting channel through the installation part, a plurality of elastic parts are arranged on the inner wall, which deviates from the guide pipe, of the second transparent box, the elastic parts are arranged between the display block and the inner wall, which deviates from the guide pipe, of the second transparent box, the display block is arranged in the second transparent box, through holes are arranged on both sides of the second transparent box, the display block moves along the axis of the second transparent box to open or close the through holes, and the height of the through holes is smaller than that of the display block, so that the display block controls the opening or closing of the through hole.

Further, the method comprises the following steps: coupling assembling includes regulator, ring flange, pipeline and the connecting pipe of being connected with the valve body, connecting pipe and valve pocket intercommunication, the both ends of ring flange are connected with connecting pipe and regulator respectively, the regulator is used for controlling the liquid velocity of flow, be provided with the filter between regulator and the pipeline, the pipeline set up in the filter deviate from one side of ring flange and with the connecting pipe intercommunication.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

the device is through installing structures such as case subassembly, coupling assembling, the test subassembly, connecting channel, valve pocket and valve body, wherein through filling test liquid and circulation liquid into the valve pocket, make second feed liquor chamber and play liquid cavity be in the off-state, and first feed liquor chamber and play liquid cavity are in the connected state, at this moment test liquid can enter into the test subassembly in, the position of control display piece, then filling the liquid that leads to through in to the valve pocket through coupling assembling and first feed liquor chamber and transporting, and the concrete situation in knowing the valve body that the staff then can understand through the concrete position of display piece. The utility model discloses simple structure can detect the leakproofness of valve, and the staff of being convenient for simultaneously watches the testing result, knows the particular case in the valve, can be timely maintain convenient to use to the valve.

Drawings

Fig. 1 is a schematic sectional structure view.

Fig. 2 is a schematic structural diagram.

Fig. 3 is a partially enlarged structural diagram of a portion a in the figure.

Reference numerals: 1. a valve body; 2. a valve cavity; 21. a first cavity; 22. a second cavity; 23. a third cavity; 3. a first liquid inlet chamber; 4. a second liquid inlet cavity; 5. a liquid outlet cavity; 6. a valve core assembly; 61. a connecting rod; 62. a first sealing plug; 63. a second sealing plug; 7. a connecting assembly; 71. a connecting pipe; 72. a flange plate; 73. a regulator; 74. a filter; 75. a pipeline; 8. testing the component; 81. a fixing plate; 82. a first transparent case; 83. a second transparent box; 84. a conduit; 85. a mounting member; 86. a display block; 87. an elastic member; 88. a through hole; 9. a connecting channel; 10. a liquid outlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figure 1, the valve reliability tester provided by the utility model comprises a valve body 1, a valve cavity 2 is formed inside the valve body 1, a liquid outlet cavity 5 is arranged at one side of the valve cavity 2, a liquid outlet pipe 10 communicated with the valve cavity 2 is arranged in the liquid outlet cavity 5, a first liquid inlet cavity 3 and a second liquid inlet cavity 4 are arranged at one side of the valve cavity 2, which is far away from the liquid outlet cavity 5, a plurality of connecting assemblies 7 are arranged at one side of the valve body 1, which is provided with the first liquid inlet cavity 3 and the second liquid inlet cavity 4, the connecting assemblies 7 are communicated with the valve cavity 2 through the first liquid inlet cavity 3 and the second liquid inlet cavity 4, a valve core assembly 6 is arranged in the valve cavity 2, the valve core assembly 6 controls the connection or disconnection of the first liquid inlet cavity 3 and the liquid outlet cavity 5 along the axis of the valve cavity 2, a connecting passage 9 is arranged at one side of the valve cavity 2, a testing assembly 8 is arranged at one side of the valve body 1, which is vertical to the liquid outlet pipe 10, the test assembly 8 communicates with the valve chamber 2 via a connecting channel 9.

As shown in fig. 1-2, the valve cavity 2 includes a first cavity 21, a second cavity 22 and a third cavity 23, the first cavity 21 is communicated with the first liquid inlet cavity 3, the third cavity 23 is communicated with the second liquid inlet cavity 4, the second cavity 22 is communicated with the liquid outlet cavity 5, the diameter of the second cavity 22 is smaller than the diameters of the first cavity 21 and the third cavity 23, and the contact surfaces of the first cavity 21, the third cavity 23 and the second cavity 22 are respectively provided with a first bump and a second bump.

As shown in fig. 1-2, the valve core assembly 6 includes a connecting rod 61, and a first sealing plug 62 and a second sealing plug 63 connected to two ends of the connecting rod 61, the first sealing plug 62 is located in the first cavity 21, the second sealing plug 63 is located in the third cavity 23, the diameters of the first sealing plug 62 and the second sealing plug 63 are larger than the inner diameter of the second cavity 22, the connecting rod 61 is located in the second cavity 22, and when the second sealing plug 63 contacts with the second bump, the second liquid inlet cavity 4 and the liquid outlet cavity 5 are in a disconnected state, the first liquid inlet cavity 3 and the liquid outlet cavity 5 are in a communicated state, when the first sealing plug 62 is contacted with the first bump, the first liquid inlet cavity 3 and the liquid outlet cavity 5 are disconnected, the second liquid inlet cavity 4 and the liquid outlet cavity 5 are communicated, and a sealing gasket for sealing is arranged on one side, close to each other, of the first sealing plug 62 and the second sealing plug 63.

As shown in fig. 1-2, the connecting assembly 7 includes a regulator 73, a flange 72, a pipe 75 and a connecting pipe 71 connected to the valve body 1, the connecting pipe 71 is communicated with the valve chamber 2, two ends of the flange 72 are respectively connected to the connecting pipe 71 and the regulator 73, the regulator 73 is used for controlling the flow rate of the liquid, a filter 74 is disposed between the regulator 73 and the pipe 75, and the pipe 75 is disposed on a side of the filter 74 away from the flange 72 and is communicated with the connecting pipe 71.

As shown in fig. 1, when the valve body 1 needs to be communicated, firstly, the connection assembly 7 fills test liquid into the third cavity 23 through the second liquid inlet cavity 4, when the test liquid enters the third cavity 23, the valve core assembly 6 can move along the axis direction of the valve cavity 2 due to the change of pressure, when the valve core assembly 6 moves along the axis direction of the valve cavity 2, the first sealing plug 62 and the second sealing plug 63 can be driven to move, the second sealing plug 63 can move to contact with the second bump, so that the second liquid inlet cavity 4 and the liquid outlet cavity 5 are in a disconnected state, the first sealing plug 62 can move to form a gap with the first bump, so that the first liquid inlet cavity 3 and the liquid outlet cavity 5 are in a communicated state, at this time, the regulator 73 is rotated, so that the connection assembly 7 fills liquid to be transported into the first cavity 21 through the first liquid inlet cavity 3, the circulation is performed while the test liquid in the third chamber 23 enters the test element 8 through the connecting channel 9, causing the test element 8 to change.

As shown in fig. 2, when the valve body 1 needs to be disconnected, the third cavity 23 is not filled with the test liquid, the connection assembly 7 is used for filling the first cavity 21 with the flow-through liquid through the first liquid inlet cavity 3, when the flow-through liquid enters the first cavity 21, the valve core assembly 6 can move along the axial direction of the valve cavity 2 due to the change of pressure, when the valve core assembly 6 moves along the axial direction of the valve cavity 2, the first sealing plug 62 and the second sealing plug 63 can be driven to move, the first sealing plug 62 can be in contact with the first bump through movement, so that the first liquid inlet cavity 3 and the liquid outlet cavity 5 are in a disconnected state, the valve body 1 is disconnected, and the valve is closed.

As shown in fig. 3, the testing assembly 8 includes a first transparent box 82, a display block 86, a fixing plate 81 and a mounting member 85 connected to the valve body 1, the first transparent box 82 is connected to the fixing plate 81, a second transparent box 83 is disposed in the first transparent box 82, a conduit 84 penetrating and extending out of the first transparent box 82 is disposed on one side of the second transparent box 83, one side of the conduit 84 facing away from the second transparent box 83 is connected to the mounting member 85, the conduit 84 is communicated with the connecting channel 9 through the mounting member 85, a plurality of elastic members 87 are disposed on an inner wall of the second transparent box 83 facing away from the conduit 84, the plurality of elastic members 87 are interposed between the display block 86 and an inner wall of the second transparent box 83 facing away from the conduit 84, the display block 86 is disposed in the second transparent box 83, through holes 88 are disposed on two sides of the second transparent box 83, the display block 86 moves along an axis of the second transparent box 83 to open or close the through holes 88, the height of the through hole 88 is smaller than that of the display block 86 so that the display block 86 controls the opening or closing of the through hole 88.

As shown in fig. 1 and 3, when the valve body 1 is in the connected state, the test liquid enters the second transparent box 83 through the connecting channel 9 and the conduit 84, and first presses the display block 86, so that the display block 86 moves downward, and presses the elastic member 87, so as to generate elastic potential energy, the elastic member 87 uses a spring, when the display block 86 is in the middle of the second transparent box 83 under pressure, the regulator 73 communicated with the second liquid inlet chamber 4 is closed, the regulator 73 communicated with the first liquid inlet chamber 3 is opened, when the air tightness between the second sealing plug 63 and the second cavity 22 is reduced, the second liquid inlet chamber 4 and the liquid outlet chamber 5 are changed from the disconnected state to the connected state, so as to be able to cause the pressure change in the second transparent box 83, so that the display block 86 moves under the elastic potential energy of the elastic member 87, when a worker observes that the display block 86 is in the middle of the second transparent box 83 and does not move, it is indicated that the airtightness of the valve is in a normal state and that the airtightness of the valve is not good when the display block 86 is found at the side of the second transparent case 83 adjacent to the guide tube 84.

As shown in fig. 2-3, when the valve body 1 is in the disconnected state, the first cavity 21 and the liquid outlet cavity 5 are in the disconnected state, and the third cavity 23 and the liquid outlet cavity 5 are in the connected state, when the sealing performance in the valve body 1 is good, the display block 86 is located at the side of the second transparent box 83 close to the connecting channel 9 under the action of the elastic member 87, and when the sealing performance in the valve body 1 is low, a passage is formed between the first cavity 21 and the liquid outlet cavity 5, and then the circulating liquid enters the third cavity 23 through the second cavity 22, and further enters the second transparent box 83 through the third cavity 23 and the connecting channel 9, and presses the display block 86, so that the position of the display block 86 changes, and once the operator finds that the position of the display block 86 is not located at the side of the second transparent box 83 close to the connecting channel 9, the sealing performance in the valve body 1 is poor, and further the valve body 1 needs to be inspected.

The working principle is as follows: firstly, no matter the valve is in a connected state or a disconnected state, once the air tightness of the valve is deteriorated, the liquid in the first cavity 21 or the second cavity 22 enters the testing assembly 8 through the connecting pipe 71, the position of the display block 86 is controlled, when the valve is in the connected state, a worker observes that the display block 86 is in the middle of the second transparent box 83 and is not moved, the air tightness of the valve is in a normal state, when the display block 86 is found to be in the side of the second transparent box 83 close to the guide pipe 84, the air tightness of the valve is poor, when the valve is closed, when the worker finds that the position of the display block 86 is not in the side of the second transparent box 83 close to the connecting channel 9, the poor air tightness in the valve body 1 is displayed, and the worker can clearly know the specific situation in the valve body 1 through the specific position of the display block 86, and then the valve is overhauled as required.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a valve reliability tester, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cavity (2) is formed inside the valve body (1), a liquid outlet cavity (5) is formed in one side of the valve cavity (2), a liquid outlet pipe (10) communicated with the valve cavity (2) is arranged in the liquid outlet cavity (5), a first liquid inlet cavity (3) and a second liquid inlet cavity (4) are formed in one side of the valve cavity (2) deviating from the liquid outlet cavity (5), a plurality of connecting assemblies (7) are arranged on one side of the valve body (1) provided with the first liquid inlet cavity (3) and the second liquid inlet cavity (4), the connecting assemblies (7) are communicated with the valve cavity (2) through the first liquid inlet cavity (3) and the second liquid inlet cavity (4), a valve core assembly (6) is arranged in the valve cavity (2), the valve core assembly (6) moves along the axis of the valve cavity (2) to control the communication or disconnection between the first liquid inlet cavity (3) and the liquid outlet cavity (5), and a connecting channel (9) is arranged on one side of the valve cavity (2) provided with the liquid outlet cavity (5), the valve body (1) is provided with a testing component (8) on one side perpendicular to the liquid outlet pipe (10), and the testing component (8) is communicated with the valve cavity (2) through a connecting channel (9).

2. The valve reliability tester of claim 1, wherein: the valve cavity (2) comprises a first cavity body (21), a second cavity body (22) and a third cavity body (23), the first cavity body (21) is communicated with the first liquid inlet cavity (3), the third cavity body (23) is communicated with the second liquid inlet cavity (4), the second cavity body (22) is communicated with the liquid outlet cavity (5), the diameter of the second cavity body (22) is smaller than that of the first cavity body (21) and the third cavity body (23), and the contact surfaces of the first cavity body (21), the third cavity body (23) and the second cavity body (22) are respectively provided with a first bump and a second bump.

3. The valve reliability tester of claim 2, wherein: the valve core assembly (6) comprises a connecting rod (61), and a first sealing plug (62) and a second sealing plug (63) which are respectively connected with two ends of the connecting rod (61), wherein the first sealing plug (62) is positioned in a first cavity (21), the second sealing plug (63) is positioned in a third cavity (23), the diameters of the first sealing plug (62) and the second sealing plug (63) are both larger than the inner diameter of the second cavity (22), the connecting rod (61) is positioned in the second cavity (22), when the second sealing plug (63) is contacted with a second bump, the second liquid inlet cavity (4) and the liquid outlet cavity (5) are in a disconnected state, the first liquid inlet cavity (3) and the liquid outlet cavity (5) are in a communicated state, and when the first sealing plug (62) is contacted with the first bump, the first liquid inlet cavity (3) and the liquid outlet cavity (5) are in a disconnected state, the second liquid inlet cavity (4) and the liquid outlet cavity (5) are communicated, and a sealing gasket for sealing is arranged on one side, close to each other, of the first sealing plug (62) and the second sealing plug (63).

4. The valve reliability tester of claim 1, wherein: the testing assembly (8) comprises a first transparent box (82), a display block (86), a fixing plate (81) and a mounting piece (85), wherein the fixing plate (81) and the mounting piece (85) are connected with the valve body (1), the first transparent box (82) is connected with the fixing plate (81), a second transparent box (83) is arranged in the first transparent box (82), a guide pipe (84) penetrating through and extending out of the first transparent box (82) is arranged on one side of the second transparent box (83), one side, deviating from the second transparent box (83), of the guide pipe (84) is connected with the mounting piece (85), the guide pipe (84) is communicated with the connecting channel (9) through the mounting piece (85), a plurality of elastic pieces (87) are arranged on the inner wall of one side, deviating from the guide pipe (84), of the second transparent box (83), of the elastic pieces (87) are arranged between the display block (86) and the inner wall of one side, deviating from the guide pipe (84), of the second transparent box (83), the display block (86) is arranged in the second transparent box (83), through holes (88) are formed in two sides of the second transparent box (83), the display block (86) moves along the axis of the second transparent box (83) to enable the through holes (88) to be opened or closed, and the height of the through holes (88) is smaller than that of the display block (86) to enable the display block (86) to control the opening or closing of the through holes (88).

5. The valve reliability tester of claim 1, wherein: coupling assembling (7) include connecting pipe (71) that regulator (73), ring flange (72), pipeline (75) and be connected with valve body (1), connecting pipe (71) and valve chamber (2) intercommunication, the both ends of ring flange (72) are connected with connecting pipe (71) and regulator (73) respectively, regulator (73) are used for controlling the liquid flow rate, be provided with filter (74) between regulator (73) and pipeline (75), pipeline (75) set up in filter (74) deviate from one side of ring flange (72) and communicate with connecting pipe (71).