CN217687759U - Valve sealing performance detection equipment - Google Patents
Valve sealing performance detection equipment Download PDFInfo
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- CN217687759U CN217687759U CN202221387571.1U CN202221387571U CN217687759U CN 217687759 U CN217687759 U CN 217687759U CN 202221387571 U CN202221387571 U CN 202221387571U CN 217687759 U CN217687759 U CN 217687759U
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Abstract
The utility model discloses a valve tightness detection device, which comprises a detection frame, a detection station, a positioning assembly, a valve body and a detection assembly; the valve body is arranged on the detection frame through the detection station, one side of the detection station close to the valve body is provided with a first vent groove, the first vent groove is connected with a vent pipe, and at least one detection station is arranged; the positioning assembly comprises two L-shaped positioning plates, the two positioning plates are respectively rotatably arranged on two sides of the detection station through connecting rods, a driving mechanism for controlling the positioning plates to be close to or far away from the valve body is in transmission connection with the positioning plates, and the driving mechanism is arranged in the detection station; the detection assembly comprises a pressing plate movably arranged above the valve body, a pressure detection piece is arranged on the pressing plate, a second driving piece is connected to the upper surface of the pressing plate in a transmission mode, and the second driving piece is installed on the upper portion of the detection frame. The utility model discloses compress tightly, fix a position the valve body, prevent the valve body off normal to reach better sealed effect.
Description
Technical Field
The utility model relates to a valve detection area especially relates to a valve seal nature check out test set.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. In order to prevent the fluid from leaking at the valve, the valve needs to be subjected to tightness detection before leaving the factory, and the tightness detection standard of the valve is as follows: when the valve is opened, the valve body should bear internal pressure detection twice the working pressure value of the valve, and the sealing performance is qualified if the internal pressure is kept stable; or the two sides of the valve bear dozens of working pressure values respectively under the condition of closing, and the sealing performance is qualified if no fluid leaks.
When the valve is used for detecting the sealing property, the valve is required to be installed on a detection station firstly, then the valve is pressed by a pressing plate to form a closed space, gas or other fluid is introduced into the valve body, and whether the pressure inside the valve is stable or not is detected. However, when the pressure plate presses the valve body, the valve body is prone to deviation, so that the sealing effect is poor, and an accurate detection result cannot be achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve tightness check out test set to the realization prevents the valve body off normal, thereby reaches better sealed effect.
In order to solve the technical problem, the utility model provides a valve sealing performance detection device, which comprises a detection frame, a detection station, a positioning assembly, a valve body and a detection assembly;
the valve body is arranged on the detection frame through the detection station, a first vent groove is formed in one side, close to the valve body, of the detection station, a vent pipe is connected to the first vent groove, and at least one detection station is arranged;
the positioning assembly comprises two L-shaped positioning plates, the two positioning plates are rotatably arranged on two sides of the detection station through connecting rods respectively, a driving mechanism for controlling the positioning plates to be close to or far away from the valve body is in transmission connection with the positioning plates, and the driving mechanism is arranged inside the detection station;
the detection assembly comprises a pressing plate movably arranged above the valve body, a pressure detection piece is arranged on the pressing plate, a second driving piece is connected to the upper surface of the pressing plate in a transmission mode, and the second driving piece is installed on the upper portion of the detection frame.
Further, actuating mechanism include with the locating plate rotates the connecting rod of connecting, the connecting rod is kept away from the one end of locating plate is located detect the station inside and the swivelling joint have the regulating block, the regulating block rotates to be installed detect on the station inner wall, be provided with the slide bar on the regulating block outer wall, slide bar outer wall sliding connection has the slider, the transmission is connected with first driving piece on the slider outer wall, first driving piece fixed mounting be in detect on the frame.
Further, the first driving member and the second driving member may include any one of an air cylinder, a hydraulic cylinder, or an electric push rod.
Furthermore, the detection station is close to a positioning ring is arranged on the surface of the valve body, and the outer wall of the positioning ring is connected with the bottom of the valve body in an inserting mode.
Furthermore, the outer wall of one side, which is contacted with the bottom of the valve body, of the positioning plate is in a slope shape.
Furthermore, a second air vent groove is formed in the pressing plate, and an air outlet end of the second air vent groove is communicated with the pressure detection piece.
Furthermore, a sealing gasket is arranged on the surface of the pressure plate close to the valve body.
Compared with the prior art, the utility model discloses following beneficial effect has at least: first driving piece drives the slider and removes, drives the locating plate through regulating block and connecting rod and is close to detection station department to compress tightly the valve body, realize the installation, the location of valve body, compress tightly and spacing the valve body, take place skew or slope when avoiding the valve body to receive external force, lead to detecting with fluid from valve body and detection station contact surface leakage, improve the accuracy of testing result.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of the internal structure of the inspection station in an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a structure of a portion a in an embodiment of the present invention;
fig. 4 is a top view of an external structure of a detection station according to an embodiment of the present invention.
Detailed Description
The valve tightness detection device of the present invention will now be described in greater detail with reference to the drawings, in which preferred embodiments of the present invention are shown, it being understood that those skilled in the art may modify the invention herein described while still achieving the advantageous effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a valve tightness detection device, which includes a detection frame 1, a detection station 2, a positioning assembly 3, a valve body 4, and a detection assembly 5;
the valve body 4 passes through it installs to detect station 2 on the test rack 1, it is close to detect station 2 one side of valve body 4 is provided with first air channel 21, be connected with breather pipe 22 on the first air channel 21, detect station 2 is provided with one at least, arranges valve body 4 in on detecting station 2, lets in the fluid through breather pipe 22 and first air channel 21 in to valve body 4, and the fluid can be air or other test fluids to the leakproofness to valve body 4 tests.
Locating component 3 includes the locating plate 31 of two L types, two locating plate 31 rotates through connecting rod 32 respectively to be installed detect 2 both sides of station, the drive connection has the actuating mechanism who is used for controlling locating plate 31 to be close to or keep away from valve body 4 on the locating plate 31, actuating mechanism installs detect 2 insides of station, drive locating plate 31 through actuating mechanism and be close to valve body 4, locating plate 31 compresses tightly valve body 4 bottom to carry on spacingly to valve body 4, take place skew or slope when avoiding valve body 4 to receive external force, lead to the fluid for detection to leak from valve body 4 and detection station 2 contact surface department.
Referring to fig. 3, the detection assembly 5 includes a pressure plate 51 movably disposed above the valve body 4, a pressure detection member 53 is disposed on the pressure plate 51, a second driving member 54 is connected to an upper surface of the pressure plate 51 in a transmission manner, the second driving member 54 is mounted on an upper portion of the detection frame 1, and the pressure plate 51 is driven by the second driving member 54 to move downward, so that the pressure plate 51 compresses the valve body 4, a closed space is formed inside the valve body 4, and thus fluid can be introduced into the valve body 4, and the pressure detection member 53 detects a pressure change of the valve body 4, thereby achieving a purpose of detecting a sealing property of the valve body 4.
Referring to fig. 2, the driving mechanism includes a connecting rod 33 rotatably connected to the positioning plate 31, one end of the connecting rod 33 away from the positioning plate 31 is located inside the detection station 2 and rotatably connected to an adjusting block 34, the adjusting block 34 is rotatably mounted on an inner wall of the detection station 2, a sliding rod 35 is disposed on an outer wall of the adjusting block 34, a sliding block 36 is slidably connected to an outer wall of the sliding rod 35, a first driving member 37 is rotatably connected to an outer wall of the sliding block 36, the first driving member 37 is fixedly mounted on the detection frame 1, the first driving member 37 drives the sliding block 36 to move in a vertical direction, the sliding block 36 drives the sliding rod 35 and the adjusting block 34 to perform a circular motion through an internally disposed sliding slot, the adjusting block 34 pulls the connecting rod 33 towards the inside of the detection station 2, the connecting rod 33 pulls the bottom of the positioning plate 31, and the positioning plate 31 rotates around the connecting rod 32 towards a direction away from the detection station 2, so that the valve body 4 can be placed on the detection station 2; when the first driving part 37 drives the sliding block 36 to move to the position where the adjusting block 34 is in the horizontal state, the positioning plate 31 approaches to the detection station 2 and presses the valve body 4, so that the valve body 4 is installed and positioned.
First driving piece 37 and second driving piece 54 include any one of cylinder, pneumatic cylinder or electric putter, and the cylinder carries out straight reciprocating motion in the cylinder through the guide piston with the pneumatic cylinder, and electric putter is mainly the novel straight line actuating mechanism who comprises mechanisms such as motor push rod and controlling means, can regard as the rotating electrical machines in the aspect of the structure one kind to extend, all can make the output shaft along axial motion the time, has the auto-lock characteristic, reaches the effect that compresses tightly valve body 4.
Detect station 2 and be close to valve body 4 be provided with holding ring 38 on the surface, holding ring 38 outer wall with 4 bottom plug-in connection of valve body set up holding ring 38 on detecting station 2, realize valve body 4's preliminary location, the installation of the valve body 4 of being convenient for, and holding ring 38 and 4 bottom plug-in connection of valve body, improve valve body 4 and detect the sealed effect between the station 2.
The outer wall of one side of the positioning plate 31 contacting with the bottom of the valve body 4 is set to be in a slope shape, and the outer wall of one side of the positioning plate 31 contacting with the bottom of the valve body 4 is set to be in a slope shape, so that the positioning plate 31 is suitable for positioning the valve bodies 4 with different bottom thicknesses.
The pressure plate 51 is provided with a second vent groove 52 therein, an air outlet end of the second vent groove 52 is communicated with the pressure detection part 53, the fluid in the valve body 4 enters the pressure detection part 53 through the second vent groove 52, and the internal pressure of the valve body 4 is detected through the pressure detection part 53.
Referring to fig. 4, a sealing washer 55 is disposed on a surface of the pressing plate 51 close to the valve body 4, and the sealing washer 55 is disposed on a contact surface of the pressing plate 51 and the valve body 4, so that a sealing effect between the pressing plate 51 and the valve body 4 is improved, and accuracy of a detection result is improved.
In summary, the first driving member 37 drives the sliding block 36 to move, the positioning plate 31 is driven by the adjusting block 34 and the connecting rod 33 to approach the detection station 2, and the bottom of the valve body 4 is pressed, so that the valve body 4 is mounted and positioned, the valve body 4 is pressed and limited, the valve body 4 is prevented from being deviated or inclined when being subjected to an external force, the detection fluid is prevented from leaking from the contact surface between the valve body 4 and the detection station 2, and the accuracy of the detection result is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The valve sealing performance detection equipment is characterized by comprising a detection frame, a detection station, a positioning assembly, a valve body and a detection assembly;
the valve body is arranged on the detection frame through the detection station, a first vent groove is formed in one side, close to the valve body, of the detection station, a vent pipe is connected to the first vent groove, and at least one detection station is arranged;
the positioning assembly comprises two L-shaped positioning plates, the two positioning plates are rotatably arranged on two sides of the detection station through connecting rods respectively, a driving mechanism for controlling the positioning plates to be close to or far away from the valve body is in transmission connection with the positioning plates, and the driving mechanism is arranged inside the detection station;
the detection assembly comprises a pressing plate movably arranged above the valve body, a pressure detection piece is arranged on the pressing plate, a second driving piece is connected to the upper surface of the pressing plate in a transmission mode, and the second driving piece is installed on the upper portion of the detection frame.
2. The valve tightness testing device according to claim 1, wherein the driving mechanism includes a connecting rod rotatably connected to the positioning plate, an end of the connecting rod away from the positioning plate is located inside the testing station and rotatably connected to an adjusting block, the adjusting block is rotatably mounted on an inner wall of the testing station, a sliding rod is disposed on an outer wall of the adjusting block, a sliding block is slidably connected to an outer wall of the sliding rod, a first driving member is drivingly connected to an outer wall of the sliding block, and the first driving member is fixedly mounted on the testing frame.
3. The valve seal testing apparatus of claim 2, wherein the first and second actuators comprise any of a pneumatic cylinder, a hydraulic cylinder, or an electric push rod.
4. The valve tightness detection device according to claim 1, wherein a positioning ring is arranged on the surface of the detection station close to the valve body, and the outer wall of the positioning ring is connected with the bottom of the valve body in an inserted manner.
5. The valve tightness detecting device according to claim 1, wherein an outer wall of a side of the positioning plate contacting with the bottom of the valve body is provided with a slope.
6. The valve tightness detection device according to claim 1, wherein a second vent groove is formed in the pressure plate, and a gas outlet end of the second vent groove is communicated with the pressure detection member.
7. The valve tightness testing apparatus of claim 1 wherein a sealing gasket is disposed on a surface of said pressure plate adjacent to said valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221387571.1U CN217687759U (en) | 2022-06-06 | 2022-06-06 | Valve sealing performance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221387571.1U CN217687759U (en) | 2022-06-06 | 2022-06-06 | Valve sealing performance detection equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217687759U true CN217687759U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221387571.1U Active CN217687759U (en) | 2022-06-06 | 2022-06-06 | Valve sealing performance detection equipment |
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| CN (1) | CN217687759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030153A (en) * | 2023-10-08 | 2023-11-10 | 宁德时代新能源科技股份有限公司 | Battery testing tool, use method and control method of battery testing tool |
-
2022
- 2022-06-06 CN CN202221387571.1U patent/CN217687759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030153A (en) * | 2023-10-08 | 2023-11-10 | 宁德时代新能源科技股份有限公司 | Battery testing tool, use method and control method of battery testing tool |
| CN117030153B (en) * | 2023-10-08 | 2024-02-06 | 宁德时代新能源科技股份有限公司 | Battery testing tool, use method and control method of battery testing tool |
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