Rubber valve seat sealing pressurization detection device

Abstract

The utility model discloses a rubber valve seat sealing pressurization detection device, which relates to the technical field of rubber valve seat detection and comprises a detection assembly composed of a pipeline mechanism and an indication mechanism. The operation of pressurization testing can be achieved through the pipeline mechanism, the pipeline mechanism has a protection function, when the pressure exceeds a set value, pressure can be automatically relieved, the device is protected against damage, the maximum pressure value can be freely adjusted and controlled for use, and the indication mechanism can indicate the change of the pressure in the pipeline mechanism during testing. Therefore, whether the sealing performance of the valve assembly is qualified or not is judged, use is convenient, and the problems that an existing sealing pressurization detection device for the rubber valve seat is not provided with a protection structure, the maximum pressure-bearing parameters of rubber valve seats of different specifications are different, if continuous pressurization exceeds the maximum pressure-bearing value of the rubber valve seat, the rubber valve seat is damaged, and the sealing performance of the valve assembly is not qualified are solved. And as the pressure exceeds the maximum pressure bearing value of the rubber valve seat, the subsequent measurement result is not accurate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rubber valve seat detection technical field, more specifically, especially relate to a kind of rubber valve seat sealing pressure-increasing detection device. BACKGROUND

[0002] Rubber valve seat is the key component in valve and plays a sealing role, and is usually made of elastic sealing material, and obtains tight level sealing through small actuator thrust, and the compression valve seat sealing stress makes the material elastic deformation, so as to squeeze into the rough surface of the metal parts used, and block all leakage paths, so the sealing performance of rubber valve seat needs to be detected, and currently, when the sealing performance of rubber valve seat is detected, the valve equipped with rubber valve seat is installed on the detection pipeline, and then the pressure-increasing of the detection pipeline is realized to test operation.

[0003] The existing rubber valve seat sealing pressure-increasing detection device does not have a protection structure, and the maximum pressure-bearing parameters of rubber valve seats of different specifications are different, so if the pressure continues to increase beyond the maximum pressure-bearing value of the rubber valve seat, the rubber valve seat will be damaged, and since the pressure has exceeded the maximum pressure-bearing value of the rubber valve seat, the subsequent measurement results also lack accuracy, have poor flexibility, and have low practicality. UTILITY MODEL CONTENT

[0004] The disclosed embodiment relates to a rubber valve seat sealing pressure-increasing detection device, which has a detection assembly, and can realize detection of various parameters such as the sealing performance of the valve body and the rubber valve seat, is convenient and flexible to use, and has a pipeline mechanism and an indicating mechanism, the pipeline mechanism can realize pressure-increasing test operation, and has a protection function, automatically releases pressure when the pressure exceeds the set value, protects the device from damage, freely adjusts and uses the maximum pressure value, can adapt to the test use of different types of valve assemblies, and the indicating mechanism can indicate the change of the internal pressure of the pipeline mechanism during testing, so as to judge whether the sealing performance of the valve assembly is qualified, is convenient to use, has high flexibility, adaptability and practicality.

[0005] The first aspect of the present disclosure provides a rubber valve seat sealing pressure-increasing detection device, which comprises a valve assembly, the valve assembly comprises a valve body and a rubber valve seat, and the rubber valve seat is fixedly installed in the interior of the valve body; further comprising a detection assembly, the detection assembly is composed of a pipeline mechanism and an indicating mechanism;

[0006] The pipeline mechanism comprises a booster pipeline, a pressure block, a positioning block and an adjusting rod, the valve body is detachably fixed on the side of the booster pipeline, the pressure block is inserted into the top of the booster pipeline, the positioning block is inserted into the top of the booster pipeline, and the adjusting rod is rotatably connected to the top of the booster pipeline.

[0007] In at least some embodiments, the top of the booster pipeline is provided with a pressure channel, the side of the pressure channel is provided with a pressure relief channel, the pressure block and the positioning block are arranged in the pressure channel, and the pressure block is arranged at the bottom of the positioning block.

[0008] In at least some embodiments, the bottom of the positioning block is provided with a balance spring, and the two ends of the balance spring are respectively abutted against the bottom of the positioning block and the top of the pressure block, so that the pressure block can block the pressure relief channel when the pressure block is in the lowest position.

[0009] In at least some embodiments, the rod body of the adjusting rod is provided with threads on the outside, and the adjusting rod is screwed into the inside of the positioning block through the threads.

[0010] In at least some embodiments, the side of the linkage rod is provided with a linkage rack, the outside of the indicating shaft is provided with an indicating gear, the teeth of the indicating gear and the linkage rack are in meshing transmission, the outside of the indicating shaft is provided with a pressure pointer, and the top of the booster pipeline is provided with a scale disc.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] The detection assembly can detect various parameters such as the sealing performance of the valve body and the rubber valve seat, is convenient and flexible to use, has the pipeline mechanism and the indicating mechanism, can realize the operation of pressure boosting test through the pipeline mechanism, has the protection function, can automatically release pressure when the pressure exceeds the set value, protects the device from being damaged, can freely regulate and use the maximum pressure value, can adapt to the test of different types of valve assemblies, the indicating mechanism can indicate the change of the pressure in the pipeline mechanism during the test, so as to judge whether the sealing performance of the valve assembly is qualified, is convenient to use, and improves the flexibility, adaptability and practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the utility model when testing the valve assembly.

[0015] Figure 3 is the utility model Figure 2 The internal structure diagram of the internal pressure of the booster pipeline is greater than the set value.

[0016] Figure 4 The utility model detects the structure diagram after disassembling the assembly.

[0017] Figure 5 is the utility model Figure 2 The structure diagram of the A part is enlarged.

[0018] In the figure, the corresponding relationship of component name and drawing number is:

[0019] 1, valve assembly; 101, valve body; 102, rubber valve seat;

[0020] 2, pipeline mechanism; 201, booster pipeline; 2011, pressure channel; 2012, pressure relief channel; 202, pressure block; 203, positioning block; 2031, balance top spring; 204, adjusting rod;

[0021] 3, indicating mechanism; 301, linkage rod; 3011, linkage rack; 302, indicating shaft; 3021, indicating gear. DETAILED DESCRIPTION

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples.

[0023] As shown in the accompanying Figure 1 to the accompanying Figure 5 :

[0024] Example 1: the utility model provides a rubber valve seat sealing booster detection device, including valve assembly 1, valve assembly 1 includes valve body 101 and rubber valve seat 102, rubber valve seat 102 is fixedly installed in the inside of valve body 101, still including detection assembly, detection assembly is composed of pipeline mechanism 2 and indicating mechanism 3;

[0025] Pipeline mechanism 2 includes booster pipeline 201, pressure block 202, positioning block 203 and adjusting rod 204, valve body 101 is detachably fixedly installed at the side of booster pipeline 201, and pressure block 202 is inserted at the top of booster pipeline 201, positioning block 203 is inserted at the top of booster pipeline 201, and adjusting rod 204 is rotatably connected at the top of booster pipeline 201; indicating mechanism 3 includes linkage rod 301 and indicating shaft 302, linkage rod 301 is fixedly installed at the top of pressure block 202, and the rod body of linkage rod 301 passes through the inside of adjusting rod 204, indicating shaft 302 is rotatably connected at the top of booster pipeline 201.

[0026] In the embodiment of the present disclosure, the side of the linkage rod 301 is provided with a linkage rack 3011, the outside of the indicating shaft 302 is provided with an indicating gear 3021, the teeth of the indicating gear 3021 and the linkage rack 3011 are in meshing transmission, the outside of the indicating shaft 302 is provided with a pressure pointer, the top of the pressure pipeline 201 is provided with a scale disc, in use, after the valve body 101 is installed on the side of the pressure pipeline 201 and the valve body 101 is switched to the closed state, the valve assembly 1 can be tested by pressurizing the inside of the pressure pipeline 201 through the pressure boosting device, the bottom of the positioning block 203 is provided with a balance top spring 2031, and the two ends of the balance top spring 2031 abut against the bottom of the positioning block 203 and the top of the pressure block 202 respectively, under the action of the balance top spring 2031, when the pressure block 202 is at the lowest position, the pressure block 202 can block the pressure relief channel 2012, when the pressure inside the pressure pipeline 201 gradually increases, the pressure will act on the bottom of the pressure block 202, so that the pressure block 202 moves upward against the elastic force of the balance top spring 2031, when the pressure block 202 moves, the linkage rod 301 can be driven to move synchronously, when the linkage rod 301 moves, the linkage rack 3011 can drive the indicating shaft 302 to rotate through the indicating gear 3021, when the indicating shaft 302 rotates, the pressure pointer can be driven to rotate and change its position indicated on the scale disc, so that when the pressure is sufficient during subsequent testing, the sealing performance of the valve assembly 1 can be determined by observing the position of the pressure pointer indicated on the scale disc, which is stable in use and convenient to test.

[0027] In the embodiment of the present disclosure, the top of the pressure pipeline 201 is provided with a pressure channel 2011, the side of the pressure channel 2011 is provided with a pressure relief channel 2012, the pressure block 202 and the positioning block 203 are arranged inside the pressure channel 2011, and the pressure block 202 is located at the bottom of the positioning block 203, in use, the pipeline mechanism 2 has a protection structure, when the pressure inside the pipeline mechanism 2 is greater than a set value, at this time, the pressure block 202 will continuously move upward to unblock the pressure relief channel 2012, so that the pressure pipeline 201 will be linked with the pressure relief channel 2012 through the pressure channel 2011 to remove the excess pressure, after the excess pressure is removed, under the action of the balance top spring 2031, the pressure block 202 will restore the blocking state of the pressure relief channel 2012, which is stable in use.

[0028] In the embodiment of the present disclosure, the rod body of the adjusting rod 204 is externally provided with threads, and the adjusting rod 204 is screwed in the interior of the positioning block 203 through the rod body threads, in use, the set value of the internal pressure of the pipeline mechanism 2 can be freely regulated and controlled for use by the adjusting rod 204, when the adjusting rod 204 rotates, it can drive the positioning block 203 to move and change the use position through the rod body threads, when the positioning block 203 changes the use position, the initial extension length of the balance top spring 2031 will be changed, that is, the pressure value required when the pressure block 202 moves upward to remove the plugging state of the pressure relief channel 2012, the regulation and control is convenient, can adapt to the stable test use of different types of valve assemblies 1, and the flexibility and adaptability of the device are improved.

[0029] The specific use mode and effect of the embodiment are as follows:

[0030] In the utility model, after the valve body 101 is installed on the side of the pressurizing pipeline 201, after the valve body 101 is switched to the closed state, the valve assembly 1 can be tested by pressurizing the interior of the pressurizing pipeline 201 through the pressurizing equipment, when the internal pressure of the pressurizing pipeline 201 gradually increases, the pressure will act on the bottom of the pressure block 202, so that the pressure block 202 moves upward against the elastic force of the balance top spring 2031, when the pressure block 202 moves, it can drive the linkage rod 301 to move synchronously, when the linkage rod 301 moves, the linkage rack 3011 can drive the indicating shaft 302 to rotate through the indicating gear 3021, when the indicating shaft 302 rotates, it can drive the pressure pointer to rotate and change the position indicated on the dial, so that when the pressure is sufficient in the subsequent test, the sealing performance of the valve assembly 1 can be obtained by observing the position of the pressure pointer indicated on the dial, the pipeline mechanism 2 has a protection structure, when the internal pressure of the pipeline mechanism 2 is greater than the set value, at this time, the pressure block 202 will continuously move upward to remove the plugging of the pressure relief channel 2012, so that the pressurizing pipeline 201 will be linked with the pressure relief channel 2012 through the pressure channel 2011, and the excess pressure is removed, when the excess pressure is removed, under the action of the balance top spring 2031, the pressure block 202 will restore the plugging state of the pressure relief channel 2012, the set value of the internal pressure of the pipeline mechanism 2 can be freely regulated and controlled for use by the adjusting rod 204, when the adjusting rod 204 rotates, it can drive the positioning block 203 to move and change the use position through the rod body threads, when the positioning block 203 changes the use position, the initial extension length of the balance top spring 2031 will be changed, that is, the pressure value required when the pressure block 202 moves upward to remove the plugging state of the pressure relief channel 2012, the regulation and control is convenient, can adapt to the stable test use of different types of valve assemblies 1.

[0031] In this paper, the following points need attention:

[0032] 1.The accompanying drawings are only related to the structure involved in the embodiments of the present disclosure, and other structures can be referred to the general design.

[0033] 2.In the case of no conflict, the embodiments and features in the embodiments of the present disclosure can be combined to obtain new embodiments.

[0034] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A rubber valve seat seal pressure boost detection apparatus comprising: Valve assembly (1), the valve assembly (1) includes valve body (101) and rubber valve seat (102), the rubber valve seat (102) is fixedly installed in the inside of valve body (101), it is characterized by: still including detection assembly, the detection assembly is composed of pipeline mechanism (2) and indicating mechanism (3); The pipeline mechanism (2) includes booster pipeline (201), pressure block (202), positioning block (203) and adjusting rod (204), the valve body (101) is detachably fixedly installed on the side of booster pipeline (201), and the pressure block (202) is inserted on the top of booster pipeline (201), the positioning block (203) is inserted on the top of booster pipeline (201), and the adjusting rod (204) is rotatably connected on the top of booster pipeline (201), the indicating mechanism (3) includes linkage rod (301) and indicating shaft (302), the linkage rod (301) is fixedly installed on the top of pressure block (202), and the rod body of linkage rod (301) passes through the inside of adjusting rod (204), the indicating shaft (302) is rotatably connected on the top of booster pipeline (201).

2. A rubber valve seat seal pressure detection device as claimed in claim 1, wherein: The top of the booster pipeline (201) is provided with a pressure channel (2011), and the side of the pressure channel (2011) is provided with a pressure relief channel (2012), the pressure block (202) and the positioning block (203) are arranged in the inside of the pressure channel (2011), and the pressure block (202) is located at the bottom of the positioning block (203).

3. A rubber valve seat seal pressure detection device as claimed in claim 2, wherein: The bottom of the positioning block (203) is provided with a balance top spring (2031), and the two ends of the balance top spring (2031) are respectively abutted against the bottom of the positioning block (203) and the top of the pressure block (202), under the action of the balance top spring (2031), the pressure block (202) can block the pressure relief channel (2012) when being in the lowest position.

4. A rubber valve seat seal pressure detection device as claimed in claim 3, wherein: The rod body of the adjusting rod (204) is provided with a screw thread outside, and the adjusting rod (204) is screwed in the inside of the positioning block (203) through the rod body.

5. A rubber valve seat seal pressure detection device as defined in claim 4, wherein: The side of the linkage rod (301) is provided with a linkage rack (3011), and the outside of the indicating shaft (302) is provided with an indicating gear (3021), the indicating gear (3021) and the gear teeth of the linkage rack (3011) are engaged and driven, and the outside of the indicating shaft (302) is provided with a pressure pointer, and the top of the booster pipeline (201) is provided with a scale disc.

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