CN210034619U - Novel valve body sealing performance detection equipment - Google Patents
Novel valve body sealing performance detection equipment Download PDFInfo
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- CN210034619U CN210034619U CN201920464631.7U CN201920464631U CN210034619U CN 210034619 U CN210034619 U CN 210034619U CN 201920464631 U CN201920464631 U CN 201920464631U CN 210034619 U CN210034619 U CN 210034619U
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- valve body
- pressure sensor
- sealing performance
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Abstract
The utility model discloses a novel valve body sealing performance check out test set, include: the oil inlet of the push rod pump is connected with the tank body, the first valve block is connected with the oil outlet of the push rod pump, the first valve block is provided with an electromagnetic valve and a pressure sensor, the other port of the first valve block is connected with the inlet of the valve body, the second valve block is connected with the outlet of the valve body, the electromagnetic valve and the pressure sensor are arranged on the second valve block, and the other port of the second valve block is connected with the top end of the tank body to form a loop. Through the complete medium of design switch on return circuit, set up high accuracy pressure sensor and zero leakage solenoid valve at each port of valve body, can realize that the valve body sealing performance test under the actual working medium, and the test progress is high, and the reliability is high, has very big help to promoting product quality.
Description
Technical Field
The utility model relates to a valve body seals technical field, specifically relates to a novel valve body sealing performance check out test set.
Background
The good sealing performance of the valve body is a basic condition for ensuring the normal work of the valve body, the conventional equipment mostly adopts compressed air to detect whether the valve body leaks or not, some ports of the valve body are blocked, then the compressed air is filled into the valve body from the other port, after the pressure is stable, the inflation is stopped, the equipment is kept still for a period of time, the pressure reduction value is observed, the sealing performance of the valve body is qualified if the pressure reduction is within a specified range, otherwise, the sealing performance of the valve body is unqualified if the pressure reduction exceeds the specified range. The airtight detection method has the disadvantages that when a medium non-gas flows in the valve body, the sealing performance of the valve body under an actual working medium cannot be verified; the second disadvantage is that the method has low measurement precision, which may cause misjudgment and affect the product quality.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: the existing airtight detection method has low measurement precision, and when a medium non-gas flows in the valve body, the sealing performance of the valve body under an actual working medium cannot be verified.
The technical scheme of the utility model as follows:
a novel valve body sealing performance detection device comprises:
a tank body filled with a working medium,
a push rod pump, wherein an oil inlet of the push rod pump is connected with the tank body,
a first valve block connected with the oil outlet of the push rod pump, the first valve block is provided with an electromagnetic valve and a pressure sensor, the other port of the first valve block is connected with the inlet of the valve body,
and the second valve block is connected with the outlet of the valve body, an electromagnetic valve and a pressure sensor are installed on the second valve block, and the other port of the second valve block is connected with the top end of the tank body to form a loop.
Furthermore, the first valve block is connected with an oil outlet of the push rod pump through a stainless steel pipe.
Furthermore, the first valve block is connected with the inlet of the valve body through a stainless steel pipe.
Furthermore, the first valve block is provided with a first electromagnetic valve, a second electromagnetic valve, a first pressure sensor and a second pressure sensor.
Furthermore, a third electromagnetic valve, a fourth electromagnetic valve, a third pressure sensor and a fourth pressure sensor are mounted on the second valve block.
Further, the solenoid valve is a zero leakage solenoid valve, such as a model GS027300N zero leakage solenoid valve.
Further, the pressure sensor is a high-precision pressure sensor, such as a high-precision pressure sensor model X213190-GPT.
The utility model discloses a theory of operation does: the push rod pump is used for providing a power source, all the electromagnetic valves are opened, the medium is used for conducting air in the loop to the greatest extent under the action of the push rod pump, the electromagnetic valve at the tail end of the loop is closed, the push rod pump continues to pressurize the loop, and the electromagnetic valve at the front end of the loop is closed after the pressure is kept at a certain value. And after the set time, observing the pressure reduction value, wherein the valve body sealing performance is qualified if the pressure reduction is within a specified range, and otherwise, judging that the valve body sealing performance is unqualified if the pressure reduction exceeds the specified range.
Compared with the prior art, the beneficial effects of the utility model are that: through the complete medium of design switch on return circuit, set up high accuracy pressure sensor and zero leakage solenoid valve at each port of valve body, can realize that the valve body sealing performance test under the actual working medium, and the test progress is high, and the reliability is high, has very big help to promoting product quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of the present invention;
the pressure sensor comprises a tank body 1, a push rod pump 2, a valve block I3, a valve block II 4, a solenoid valve I51, a solenoid valve II 52, a solenoid valve III 53, a solenoid valve IV 54, a pressure sensor I61, a pressure sensor II 62, a pressure sensor III 63, a pressure sensor IV 64 and a valve body 7.
Detailed Description
The novel valve body sealing performance detection device shown in fig. 1 comprises:
a tank body 1 filled with a working medium,
a push rod pump 2, wherein an oil inlet of the push rod pump 2 is connected with the tank body 1,
the valve block I3 is connected with an oil outlet of the push rod pump 2 through a stainless steel pipe, the valve block I3 is provided with a first electromagnetic valve 51, a second electromagnetic valve 52, a first pressure sensor 61, a second pressure sensor 62, the other port of the valve block I3 is connected with an inlet of the valve body 7 through the stainless steel pipe,
and the second valve block 4 is connected with the outlet of the valve body 7, a third electromagnetic valve, a fourth electromagnetic valve 53, a fourth electromagnetic valve 54, a third pressure sensor, a fourth pressure sensor 63, a fourth pressure sensor 64 are arranged on the second valve block 4, and the other port of the second valve block 4 is connected with the top end of the tank body 1 to form a loop.
The electromagnetic valves are all zero-leakage electromagnetic valves with the model number of GS027300N, and the pressure sensors are all high-precision pressure sensors with the model number of X213190-GPT.
As shown in fig. 2, for example, when the lin1 and Out1 are in a conducting state, when the sealing performance of the valve body 7 is detected, the push rod pump 2 provides a power source to open all the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve 51, 52, 53 and 54, the medium exhausts the air in the conducting loop under the action of the push rod pump 2, the third electromagnetic valve at the tail end of the loop and the fourth electromagnetic valve 53 and 54 are closed, the push rod pump 2 continues to pressurize the loop, and after the pressure is kept at a certain value, the first electromagnetic valve at the front end of the loop and the second electromagnetic valve 51 and 52 are closed. After the set time, the pressure reduction value is observed, the sealing performance of the valve body 7 is qualified if the pressure reduction is within the specified range, otherwise, the sealing performance of the valve body 7 is judged to be unqualified if the pressure reduction exceeds the specified range.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (7)
1. The utility model provides a novel valve body sealing performance check out test set which characterized in that includes:
a tank body (1) filled with working medium,
a push rod pump (2), wherein an oil inlet of the push rod pump (2) is connected with the tank body (1),
a first valve block (3) connected with an oil outlet of the push rod pump (2), wherein the first valve block (3) is provided with an electromagnetic valve and a pressure sensor, the other port of the first valve block (3) is connected with an inlet of the valve body (7),
and a second valve block (4) connected with the outlet of the valve body (7), wherein the second valve block (4) is provided with an electromagnetic valve and a pressure sensor, and the other port of the second valve block (4) is connected with the top end of the tank body (1) to form a loop.
2. The novel valve body sealing performance detection device is characterized in that the valve block I (3) is connected with an oil outlet of the push rod pump (2) through a stainless steel pipe.
3. The novel valve body sealing performance detection device is characterized in that the valve block I (3) is connected with an inlet of the valve body (7) through a stainless steel pipe.
4. The novel valve body sealing performance detection device is characterized in that a first electromagnetic valve, a second electromagnetic valve (51, 52) and a first pressure sensor and a second pressure sensor (61, 62) are mounted on the first valve block (3).
5. The novel valve body sealing performance detection device as claimed in claim 1, wherein a third electromagnetic valve, a fourth electromagnetic valve (53, 54), a third pressure sensor and a fourth pressure sensor (63, 64) are mounted on the second valve block (4).
6. The novel valve body sealing performance detection device as claimed in any one of claims 1 to 5, wherein the solenoid valve is a zero-leakage solenoid valve.
7. The novel valve body sealing performance detection device as claimed in any one of claims 1 to 5, wherein the pressure sensor is a high-precision pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920464631.7U CN210034619U (en) | 2019-04-08 | 2019-04-08 | Novel valve body sealing performance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920464631.7U CN210034619U (en) | 2019-04-08 | 2019-04-08 | Novel valve body sealing performance detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034619U true CN210034619U (en) | 2020-02-07 |
Family
ID=69358232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920464631.7U Active CN210034619U (en) | 2019-04-08 | 2019-04-08 | Novel valve body sealing performance detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034619U (en) |
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2019
- 2019-04-08 CN CN201920464631.7U patent/CN210034619U/en active Active
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