Valve body air tightness detection mechanism

Abstract

The utility model discloses a valve body air tightness detection mechanism which comprises a base, one side of the top of the base is provided with a detector main body, the other side of the top of the base is provided with a frame body, the middle position of the top end of the frame body is provided with a lifting electric cylinder in a penetrating manner, and the bottom end of the lifting electric cylinder is provided with a sealing pressing plate. The dismounting assembly is arranged between the top of the detection seat and the bottom of the positioning sleeve, and the mounting seat is fixed outside the connecting sleeve through threaded connection during use, so that the purpose of stably mounting the positioning sleeve on the detection seat can be achieved, and the positioning sleeve is used for positioning the position of the valve body to carry out air tightness detection work; and the contact surface of the top of the mounting seat and the bottom end of the valve body is sealed through an annular second sealing gasket, so that the effects that the positioning sleeve can be conveniently and stably connected to the detection seat and the positioning sleeves of different sizes are detached and replaced to adapt to the valve bodies of different diameters are achieved, and the practicability of the detection mechanism is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve body detection, in particular to a valve body air tightness detection mechanism. Background Art

[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and regulate and control the conveying medium. The air tightness of the valve is an important criterion for determining its quality. Therefore, during the production process of the valve, an air tightness detection mechanism is required to perform air tightness detection on the valve body.

[0003] For example, a valve body air tightness detection mechanism disclosed in the utility model with the authorization announcement number CN219830235U. It solves the problem that the air tightness detection of the valve body is not well sealed and affects the detection accuracy in the prior art. It includes a detection stand, a detection stand, a proportional valve positioning cavity is provided on the detection stand, and a locking connection mechanism for locking the proportional valve is provided on one side of the proportional valve positioning cavity, a rotating adjustment component for adjusting the air tightness of the proportional valve is provided on the detection stand and located at the lower end of the proportional valve, a sealing gas transmission structure is provided at the upper end of the detection stand, and an air tightness detection component is provided in the middle of the proportional valve, a lifting type clamping component for clamping the proportional valve is provided on the detection stand, and a top pressure positioning structure is provided on the side of the detection stand away from the end rotation adjustment component. The advantages of the utility model are: convenient operation, good sealing, and effectively improve the air tightness detection accuracy of the valve body. However, during the application process, the technical solution can only be applied to a valve body of one specification for air tightness detection, and there is a technical problem that the detection positioning seat cannot be disassembled and replaced to apply to valve bodies of different sizes for air tightness detection. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a valve body air tightness detection mechanism, which can solve the technical problem that the air tightness detection work can only be applied to valve bodies of one specification, and there is a technical problem that the detection positioning seat cannot be disassembled and replaced to apply to valve bodies of different sizes for air tightness detection.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a valve body air tightness detection mechanism, including a base, a detector body is arranged on one side of the top of the base, a frame is arranged on the other side of the top of the base, a lifting electric cylinder is passed through the middle position of the top of the frame, a sealing pressure plate is arranged at the bottom end of the lifting electric cylinder, a first sealing gasket is arranged at the bottom end of the sealing pressure plate, a detection seat is arranged at the middle position of the other side of the top of the base, a detection air pipe is arranged at the bottom end of one side of the detector body, a positioning sleeve is arranged at the top of the detection seat, a mounting seat is arranged at the bottom end of the positioning sleeve, a connecting sleeve is arranged at the middle position of the top of the detection seat, a second sealing gasket is arranged at the edge of the top of the mounting seat, and a limited position stabilization component is arranged at the bottom of one side of the interior of the frame.

[0006] As a preferred technical solution of the utility model, the mounting seat is annular, the mounting seat is sleeved on the outside of the connecting sleeve, and the second sealing gasket is annular.

[0007] As a preferred technical solution of the utility model, the inner side of the mounting seat is provided with an internal thread, and the outer side of the connecting sleeve is provided with an external thread matching the internal thread.

[0008] As a preferred technical solution of the utility model, one side of the detection air pipe passes through the bottom end of one side of the frame and is fixedly connected to one side of the detection seat, and the detection air pipe and the detection seat are communicated.

[0009] As a preferred technical solution of the utility model, the limit stabilization assembly includes a cylinder, which is inserted into one side of the interior of the frame, an adjusting screw is inserted into one side of the interior of the cylinder, a limit plate is provided on one side of the adjusting screw, a limiting block is provided in the cylinder on the other side of the adjusting screw, and an adjusting screw sleeve is provided on one side of the cylinder.

[0010] As a preferred technical solution of the utility model, one side of the adjusting screw rod passes through the interior of the adjusting screw sleeve, and the limiting plate is arc-shaped.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By arranging a disassembly and assembly component between the top of the detection seat and the bottom of the positioning sleeve, the mounting seat is fixed to the outside of the connecting sleeve by threaded connection when in use, so as to achieve the purpose of firmly mounting the positioning sleeve on the detection seat, so that the positioning sleeve can be used to locate the position of the valve body for air tightness detection, and the contact surface between the top of the mounting seat and the bottom of the valve body is sealed by the second annular sealing gasket, so that the positioning sleeve can be firmly connected to the detection seat and the positioning sleeves of different sizes can be disassembled and replaced to be suitable for valve bodies of different diameters, thereby further improving the practicality of the detection mechanism;

[0013] 2. By setting a limited position stabilization component at the bottom of one side of the frame, when in use, the valve body is positioned on the positioning sleeve and then the adjusting screw sleeve is turned to push the limit plate to move inside the frame and fit the outside of the valve body through the threaded connection to achieve the purpose of limiting and stabilizing the valve body, thereby avoiding the sealing pressure plate from tilting the valve body when pressing down on it and affecting the sealing effect, thereby ensuring the accuracy of the detection mechanism's air tightness detection of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the utility model;

[0016] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 It is a schematic diagram of a partial cross-sectional structure of a cylinder body of the utility model in a front view.

[0018] Among them: 1. Base; 2. Detector body; 3. Frame; 4. Detection air pipe; 5. Detection seat; 6. Cylinder; 7. Limit plate; 8. Sealing pressure plate; 9. Lifting electric cylinder; 10. First sealing gasket; 11. Adjusting screw; 12. Positioning sleeve; 13. Connecting sleeve; 14. Mounting seat; 15. Second sealing gasket; 16. Adjusting screw sleeve; 17. Limiting block. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Example

[0021] Please refer to Figure 1-4As shown, the utility model provides a valve body air tightness detection mechanism, including a base 1, a detector body 2 is arranged on one side of the top of the base 1, a frame body 3 is arranged on the other side of the top of the base 1, a lifting electric cylinder 9 is penetrated at the middle position of the top of the frame body 3, a sealing pressure plate 8 is arranged at the bottom end of the lifting electric cylinder 9, and a first sealing gasket 10 is arranged at the bottom end of the sealing pressure plate 8, and a detection seat 5 is arranged at the middle position of the other side of the top of the base 1, and a positioning sleeve 12 is arranged on the top of the detection seat 5, and the valve body that needs to be airtightly detected is positioned and placed on the detection seat 5 through the positioning sleeve 12, and then the sealing pressure plate 8 and the first sealing gasket 10 are pushed down by the lifting electric cylinder 9 to press the valve body and block the top opening, and a detection air pipe 4 is arranged at the bottom end of one side of the detector body 2, one side of the detection air pipe 4 passes through the bottom end of one side of the frame body 3 and is fixedly connected with one side of the detection seat 5, and the detection air pipe 4 and the detection seat 5 are connected, and when the detection is carried out, the gas is transported to the detection seat 5 through the detection air pipe 4 through the detector body 2 and introduced into the valve body to detect the air tightness of the valve body;

[0022] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, an annular mounting seat 14 is provided at the bottom end of the positioning sleeve 12, a connecting sleeve 13 is provided at the middle position of the top end of the detection seat 5, and an annular second sealing gasket 15 is provided at the edge of the top end of the mounting seat 14. The contact surface between the top of the mounting seat 14 and the bottom end of the valve body is sealed by the annular second sealing gasket 15. The mounting seat 14 is sleeved on the outside of the connecting sleeve 13, and an internal thread is provided on the inner side of the mounting seat 14. An external thread matching the internal thread is provided on the outer side of the connecting sleeve 13, and the mounting seat 14 is fixed to the outside of the connecting sleeve 13 by threaded connection, so that the positioning sleeve 12 can be stably mounted on the detection seat 5, and the positioning sleeve 12 is also convenient to disassemble, thereby realizing the effect of being convenient to stably connect the positioning sleeve 12 to the detection seat 5 and disassemble and replace positioning sleeves 12 of different sizes to suit valve bodies of different diameters, further improving the practicality of the detection mechanism;

[0023] When in use, the mounting seat 14 is fixed to the outside of the connecting sleeve 13 by threaded connection, and the positioning sleeve 12 can be firmly installed on the detection seat 5, so that the positioning sleeve 12 can be used to locate the valve body for air tightness detection, and the contact surface between the top of the mounting seat 14 and the bottom of the valve body is sealed by the annular second sealing gasket 15, and it is also convenient to disassemble and replace the positioning sleeves 12 of different sizes to adapt to valve bodies of different diameters;

[0024] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 4As shown, a limited position stabilization component is provided at the bottom of one side of the interior of the frame 3, and the limited position stabilization component includes a cylinder 6, the cylinder 6 is penetrated at one side of the interior of the frame 3, an adjusting screw 11 is inserted at one side of the interior of the cylinder 6, an adjusting screw sleeve 16 is provided at one side of the cylinder 6, one side of the adjusting screw 11 passes through the interior of the adjusting screw sleeve 16, and an arc-shaped limiting plate 7 is provided at one side of the adjusting screw 11. The adjusting screw sleeve 16 is rotated to adjust the adjusting screw 11 through threaded connection to push the limiting plate 7 to move toward the inside of the frame 3 and fit the outside of the valve body, so as to achieve the purpose of limiting and stabilizing the valve body positioned on the positioning sleeve 12, and a limiting block 17 is provided in the cylinder 6 on the other side of the adjusting screw 11, and the adjusting screw 11 can be limited to the interior of the cylinder 6 by the limiting block 17, thereby effectively avoiding the sealing pressure plate 8 from tilting the valve body when pressing down the valve body to affect the sealing effect, and ensuring the accuracy of the detection mechanism for air tightness detection of the valve body;

[0025] When in use, the valve body is positioned and placed on the positioning sleeve 12, and then the adjusting screw sleeve 16 is rotated to adjust the adjusting screw 11 through the threaded connection to push the limiting plate 7 to move to the inside of the frame 3 and fit the outside of the valve body, so as to limit and stabilize the valve body;

[0026] Specific working principle:

[0027] When using the air tightness detection mechanism, first select a suitable positioning sleeve 12 according to the size of the valve body, and fix the mounting seat 14 on the outside of the connecting sleeve 13 through a threaded connection, so that the positioning sleeve 12 can be firmly installed on the detection seat 5, so that the positioning sleeve 12 can be used to locate the position of the valve body for air tightness detection. Then, the valve body is positioned and placed on the positioning sleeve 12, and at the same time, the contact surface between the top of the mounting seat 14 and the bottom of the valve body is sealed by the annular second sealing gasket 15, and then the adjusting screw sleeve 16 is rotated to adjust the adjusting screw 11 through the threaded connection to push the limit plate 7 to move toward the inside of the frame 3 and fit the outside of the valve body to limit and stabilize the valve body. After the detection starts, the sealing pressure plate 8 and the first sealing gasket 10 are pushed down by the lifting electric cylinder 9 to press the valve body and block the top opening, and the air is transmitted to the detection seat 5 through the detection air pipe 4 through the detector body 2 and introduced into the valve body to detect the air tightness of the valve body.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A valve body air tightness detection mechanism, comprising a base (1), characterized in that: A detector body (2) is arranged on one side of the top of the base (1), a frame (3) is arranged on the other side of the top of the base (1), a lifting electric cylinder (9) is inserted in the middle position of the top of the frame (3), a sealing pressure plate (8) is arranged at the bottom end of the lifting electric cylinder (9), a first sealing gasket (10) is arranged at the bottom end of the sealing pressure plate (8), a detection seat (5) is arranged in the middle position of the other side of the top of the base (1), a detection air pipe (4) is arranged at the bottom end of one side of the detector body (2), a positioning sleeve (12) is arranged at the top of the detection seat (5), a mounting seat (14) is arranged at the bottom end of the positioning sleeve (12), a connecting sleeve (13) is arranged at the middle position of the top of the detection seat (5), a second sealing gasket (15) is arranged at the edge of the top of the mounting seat (14), and a limited position stabilization component is arranged at the bottom of one side of the frame (3).

2. The valve body air tightness detection mechanism according to claim 1, characterized in that: The mounting seat (14) is annular in shape, and is sleeved on the outside of the connecting sleeve (13). The second sealing gasket (15) is annular in shape.

3. The valve body air tightness detection mechanism according to claim 1, characterized in that: The inner side of the mounting seat (14) is provided with an internal thread, and the outer side of the connecting sleeve (13) is provided with an external thread matching the internal thread.

4. The valve body air tightness detection mechanism according to claim 1, characterized in that: One side of the detection air pipe (4) passes through the bottom end of one side of the frame (3) and is fixedly connected to one side of the detection seat (5), and the detection air pipe (4) and the detection seat (5) are in communication.

5. The valve body air tightness detection mechanism according to claim 1, characterized in that: The position-limiting stabilizing component comprises a cylinder (6), the cylinder (6) being inserted into one side of the interior of the frame (3), an adjusting screw (11) being inserted into one side of the interior of the cylinder (6), a position-limiting plate (7) being arranged on one side of the adjusting screw (11), a limiting block (17) being arranged in the cylinder (6) on the other side of the adjusting screw (11), and an adjusting screw sleeve (16) being arranged on one side of the cylinder (6).

6. The valve body air tightness detection mechanism according to claim 5, characterized in that: One side of the adjusting screw rod (11) passes through the interior of the adjusting screw sleeve (16), and the limiting plate (7) is arc-shaped.

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