CN216247059U - Device for detecting inner and outer sealing performance of gasket - Google Patents
Device for detecting inner and outer sealing performance of gasket Download PDFInfo
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- CN216247059U CN216247059U CN202122955884.4U CN202122955884U CN216247059U CN 216247059 U CN216247059 U CN 216247059U CN 202122955884 U CN202122955884 U CN 202122955884U CN 216247059 U CN216247059 U CN 216247059U
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Abstract
The utility model belongs to the field of gasket sealing performance detection, and particularly relates to a device for detecting the internal and external sealing performance of a gasket. Including the inner seal spare, go up the outer seal spare and outer seal spare down, go up outer seal spare and outer seal spare detachably sealing connection down to can form the seal chamber, go up outer seal spare and be equipped with the installation position that is used for installing the gasket that awaits measuring on one of them in the outer seal spare down, the inner seal spare is installed in the seal chamber, the inner seal spare compresses tightly the gasket that awaits measuring and separates into first minute chamber and second minute chamber with the seal chamber with the cooperation of installation position, go up one of them in outer seal spare and the lower outer seal spare and be equipped with the first exit with first minute chamber intercommunication, it imports and exports with the second that the second divides the chamber intercommunication to go up to be equipped with on another one in outer seal spare and the lower outer seal spare. The utility model has the advantages that: simple structure, assembly detection operation is simple and convenient, and the gasket that awaits measuring is not fragile, and is with low costs.
Description
Technical Field
The utility model belongs to the field of gasket sealing performance detection, and particularly relates to a device for detecting the internal and external sealing performance of a gasket.
Background
Gasket seals are the predominant type of seal in removable connections for pressure vessels, process equipment, power machinery, and the like in industrial settings. The leakage of the gasket causes energy and raw material waste, and the leakage of the gasket causes equipment scrap, personal casualties and environmental pollution.
Gaskets are often required to be used in a variety of complex conditions, sometimes requiring seals to withstand the pressure of the medium from within, such as high pressure pipes; sometimes a seal to withstand the pressure of the medium from the outside, such as a vacuum environment; sometimes a seal is needed which is subjected to medium pressure from both the inner and the outer direction simultaneously, such as in deep sea applications.
Therefore, when a new gasket is developed and applied, the sealing performance of the gasket must be comprehensively detected, so that technical support is provided for design selection and problem repair. The sealing detection device in the current market has a complex structure and high price, and is not beneficial to large-area popularization and use.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide a device for detecting internal and external sealing performance of a gasket, which is used to solve the problems of complex structure, high cost and inconvenient detection of the prior art.
In order to achieve the above and other related objects, the present invention provides a device for detecting internal and external sealing performance of a gasket, including an inner sealing element, an upper outer sealing element and a lower outer sealing element, where the upper outer sealing element and the lower outer sealing element are detachably connected in a sealing manner and can form a sealing cavity, one of the upper outer sealing element and the lower outer sealing element is provided with an installation location for installing a gasket to be tested, the inner sealing element is installed in the sealing cavity, the inner sealing element and the installation location cooperate to press the gasket to be tested and divide the sealing cavity into a first sub-cavity and a second sub-cavity, one of the upper outer sealing element and the lower outer sealing element is provided with a first inlet and a second outlet, and the other of the upper outer sealing element and the lower outer sealing element is provided with a second inlet and a second outlet, which are communicated with the second sub-cavity.
Optionally, one of the first inlet/outlet and the second inlet/outlet is an air inlet, the other of the first inlet/outlet and the second inlet/outlet is an air outlet, and an air detection mechanism is disposed at the air outlet.
Optionally, a first gas alarm is arranged in the first sub-cavity, and a second gas alarm is arranged in the second sub-cavity.
Optionally, the device for detecting the inner and outer sealing performance of the gasket further comprises a heating furnace, the upper outer sealing element, the lower outer sealing element and the inner sealing element are arranged in the heating furnace, and the first inlet and the second inlet are connected with air pipes extending out of the heating furnace.
Optionally, the upper outer sealing member and the lower outer sealing member are detachably connected through a locking member, a sealing ring located on the periphery of the sealing cavity is arranged between the upper outer sealing member and the lower outer sealing member, and the locking member is located on the periphery of the sealing ring.
Optionally, the sealing ring is made of graphite or vermiculite.
Optionally, the inner seal is threadedly connected with one of the upper outer seal and the lower outer seal, which is provided with the mounting location.
Optionally, the upper outer sealing piece faces the first groove formed in one side of the lower outer sealing piece, the lower outer sealing piece faces the second groove formed in one side of the upper outer sealing piece, the installation position is a step surface arranged in the first groove or the second groove, the inner sealing piece is in threaded connection with the first groove or the second groove, and the inner sealing piece rotates and ascends to be matched with the step surface to extrude the gasket to be tested.
Optionally, the inner sealing member is provided with scale marks distributed along the lifting direction of the inner sealing member.
Optionally, the inner sealing member is provided with a conversion groove for matching with a connection conversion head.
As described above, the device for detecting the internal and external sealing performance of the gasket according to the present invention has at least the following advantageous effects: simple structure, assembly detection easy operation is convenient, and not fragile gasket that awaits measuring is with low costs, through the performance of inner seal spare and installation position cooperation in the gasket that awaits measuring of sealed intracavity detection for the bolt moment of torsion only acts on the gasket that awaits measuring, has reduced the interference, has improved detection precision and degree of accuracy.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a gasket inner and outer sealing performance detection apparatus according to the present invention;
FIG. 2 is an assembly view of a first embodiment of the device for detecting internal and external sealing performance of a gasket according to the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the device for detecting internal and external sealing performance of a gasket according to the present invention;
FIG. 4 is a schematic structural diagram of a third embodiment of the device for detecting inner and outer sealing performance of a gasket according to the present invention;
FIG. 5 is a schematic structural diagram of a fourth embodiment of the device for detecting inner and outer sealing performance of a gasket according to the present invention;
FIG. 6 is a schematic structural diagram of a fifth embodiment of the device for detecting inner and outer sealing performance of a gasket according to the present invention;
fig. 7 is a schematic structural diagram of a sixth embodiment of the device for detecting inner and outer sealing performance of a gasket according to the present invention.
Description of reference numerals
1-an upper outer seal; 2-lower outer seal; 3-an inner seal; 4-mounting position; 5-a first subchamber; 6-second subchamber; 7-a first inlet/outlet; 8-a second inlet/outlet; 9-a gas detection mechanism; 10-a first gas alarm; 11-a second gas alarm; 12-a heating furnace; 13-trachea; 14-a retaining member; 15-sealing ring; 16-graduation mark; 17-a transfer tank; 18-a pad to be tested; 19-a first groove; 20-a second groove; 21-a flow meter; 22-collecting bag.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 7, in some embodiments, the present application provides a gasket inner and outer sealing performance detection apparatus, including an inner sealing member 3, an upper outer sealing member 1, and a lower outer sealing member 2, where the upper outer sealing member 1 and the lower outer sealing member 2 are detachably and sealingly connected and can form a sealed cavity, and one of the upper outer sealing member 1 and the lower outer sealing member 2 is provided with a mounting location 4 for mounting a gasket 18 to be tested. The inner sealing element 3 is arranged in the sealing cavity, and the inner sealing element 3 is matched with the mounting position 4 to press the gasket 18 to be tested and divide the sealing cavity into a first sub-cavity 5 and a second sub-cavity 6. One of the upper outer sealing piece 1 and the lower outer sealing piece 2 is provided with a first inlet and outlet 7 communicated with the first sub-cavity 5, and the other of the upper outer sealing piece 1 and the lower outer sealing piece 2 is provided with a second inlet and outlet 8 communicated with the second sub-cavity 6.
Above-mentioned inside and outside sealing performance detection device of gasket, simple structure, the gasket assembly of awaiting measuring is got and is put the convenience, and difficult damage gasket goes up external seal and forms sealed chamber with external seal detachably sealing connection down, and the gasket that awaits measuring is extrudeed with the installation position cooperation to the internal seal for the effort that the gasket that awaits measuring received is single, reduces interference factor, improves the degree of accuracy that detects.
Referring to fig. 3 to 5, in some embodiments, one of the first port 7 and the second port 8 is an air inlet, the other of the first port 7 and the second port 8 is an air outlet, and the air outlet is provided with a gas detection mechanism 9. The gas detection mechanism 9 may be a wet colored cloth strip or a color developing reagent liquid, the color developing reagent liquid is contained in the container, and the leaked gas is introduced into the container through a pipeline.
Optionally, referring to fig. 3, in an embodiment, the upper outer sealing member 1 is provided with a first inlet/outlet 7 communicating with the first sub-chamber 5, and the lower outer sealing member 2 is provided with a second inlet/outlet 8 communicating with the second sub-chamber 6. When the pressure inside the gasket 18 to be detected is detected, the second inlet and outlet 8 is an air inlet, the second inlet and outlet 8 is connected with the high-pressure chlorine gas cylinder, the first inlet and outlet 7 is an air outlet, the first inlet and outlet 7 is coated with wet colored cloth strips, high-pressure media are introduced, whether the wet colored cloth strips fade or not is observed, if the wet colored cloth strips fade, leakage is caused, if the wet colored cloth strips do not fade, leakage is not caused, and the sealing performance of the gasket to be detected when the gasket to be detected bears the internal pressure of different sizes can be detected by adjusting the air pressure of the introduced gas.
Optionally, referring to fig. 4, in an embodiment, the upper outer sealing member 1 is provided with a first inlet/outlet 7 communicating with the first sub-chamber 5, and the lower outer sealing member 2 is provided with a second inlet/outlet 8 communicating with the second sub-chamber 6. When the external pressure of the gasket 18 to be detected is detected, the first inlet and outlet 7 is an air inlet, the first inlet and outlet 7 is connected with a high-pressure chlorine gas cylinder, the second inlet and outlet 8 is an air outlet, the second inlet and outlet 8 is coated with wet colored cloth strips, high-pressure media are introduced, whether the wet colored cloth strips fade or not is observed, if the wet colored cloth strips fade, leakage is caused, if the wet colored cloth strips do not fade, leakage is not caused, and the sealing performance of the gasket to be detected when the gasket to be detected bears the external pressure of different sizes can be detected by adjusting the air pressure of the introduced gas.
Optionally, referring to fig. 5, in an embodiment, the upper outer sealing member 1 is provided with a first inlet/outlet 7 communicating with the first sub-chamber 5, and the lower outer sealing member 2 is provided with a second inlet/outlet 8 communicating with the second sub-chamber 6. Wherein, when detecting the gasket to be detected18 when inside pressurized, second import and export 8 is the air inlet, high-pressure chlorine gas cylinder is connected to second import and export 8, first import and export 7 is the gas outlet, first import and export 7 department is equipped with color reagent liquid, first import and export 7 is connected with the pipeline, the end submergence of giving vent to anger of pipeline is in the container that is equipped with color reagent liquid, import high-pressure medium from the second import and export, observe color reagent liquid and whether change, thereby judge whether have high-pressure medium to leak outward, can also adjust the atmospheric pressure of importing gas and detect the sealing performance of gasket that awaits measuring when bearing the internal pressure of equidimension not. The color reagent liquid can be litmus reagent or limewater; when the color reagent liquid is clear lime water, the gas medium can be CO2Or is CO2And NH3If the clear lime water turns turbid, the mixed gas indicates that the high-pressure medium leaks out.
Referring to fig. 6, in one embodiment, a first gas alarm 10 is provided in the first chamber section 5 and a second gas alarm 11 is provided in the second chamber section 6. Wherein, the upper outer sealing element 1 is provided with a first inlet and outlet 7 communicated with the first sub-cavity 5, and the lower outer sealing element 2 is provided with a second inlet and outlet 8 communicated with the second sub-cavity 6. When the sealing performance of the gasket 18 to be detected when the inside and the outside are pressed in two directions is detected, the first inlet and outlet 7 is an air inlet, the first inlet and outlet 7 is connected with a high-pressure carbon dioxide gas cylinder, and the second gas alarm 11 is CO2A gas alarm; the second inlet and outlet 8 is an air inlet, the second inlet and outlet 8 is connected with a high-pressure nitrogen gas cylinder, and the first gas alarm 10 is N2The gas alarm, first import and export and second import and export simultaneously let in high-pressure medium to whether report to the police through two gas alarms and judge the sealing performance when the gasket bears inside and outside two-way pressure, can also adjust the atmospheric pressure of letting in gas and detect the sealing performance of the gasket that awaits measuring when bearing the two-way pressure of equidimension not, the size of two-way pressure can be the same, also can be different, can adjust test pressure according to the detection demand.
Referring to fig. 7, in an embodiment, the device for detecting the internal and external sealing performance of the gasket further includes a heating furnace 12, the upper external sealing element 1, the lower external sealing element 2, and the internal sealing element 3 are disposed in the heating furnace 12, and the first inlet/outlet 7 and the second inlet/outlet 8 are connected to gas pipes 13 extending out of the heating furnace 12. When the sealing performance of the gasket to be detected in the high-temperature environment needs to be detected, the temperature in the heating furnace is adjusted through the heating furnace, and therefore the sealing performance of the gasket to be detected in the high-temperature environment is detected.
Optionally, the air tube 13 and the sealing ring 15 may be made of high temperature resistant materials. The sealing ring 15 can be made of graphite or vermiculite, the service temperature of the sealing ring made of graphite is up to 500 ℃, the service temperature of the sealing ring made of vermiculite is up to 800 ℃, the sealing ring 15 can be effectively prevented from being damaged in a high-temperature environment, the sealing performance of the detection device is guaranteed, and therefore the detection accuracy is improved.
Optionally, the upper outer sealing element 1 is provided with a first inlet and outlet 7 communicated with the first sub-chamber 5, the lower outer sealing element 2 is provided with a second inlet and outlet 8 communicated with the second sub-chamber 6, and the ventilation direction can be changed according to detection requirements, for example, when the inside of the gasket 18 to be detected is pressed, the first inlet and outlet 7 is an air outlet, the second inlet and outlet 8 is an air inlet, when the outside of the gasket 18 to be detected is pressed, the sealing performance is detected, the first inlet and outlet 7 is an air inlet, and the second inlet and outlet 8 is an air outlet. In this embodiment, the sealing performance of the gasket 18 to be tested when being pressed is detected, the first inlet/outlet 7 is an air outlet, the second inlet/outlet 8 is an air inlet, the second air inlet 8 is connected with a high-pressure air bottle, a flow meter 21 is arranged on an air pipe connected with the first air inlet 7, and leaked air is collected through a collecting bag 22.
Referring to fig. 1 to 7, in some embodiments, the upper outer sealing member 1 and the lower outer sealing member 2 are detachably connected through a locking member 14, a sealing ring 15 located at the periphery of the sealing cavity is arranged between the upper outer sealing member 1 and the lower outer sealing member 2, the locking member 14 is located at the periphery of the sealing ring 15, and the sealing ring 15 is arranged around the periphery of the sealing cavity, so that gas in the sealing cavity is prevented from leaking out of a connecting gap of the locking member 14, and the sealing performance is ensured.
Alternatively, retaining member 14 may be a bolt.
Referring to fig. 1-7, in some embodiments, the inner seal 3 is threaded with one of the upper outer seal 1 and the lower outer seal 2 provided with a mounting location 4.
Optionally, the lower outer sealing element 2 is provided with a mounting location 4, and the inner sealing element 3 is in threaded connection with the lower outer sealing element 2 and cooperates with the mounting location to press a gasket 18 to be tested, which is mounted on the mounting location 4.
Referring to fig. 1 to 7, in some embodiments, a first groove 19 is provided on a side of the upper outer seal member 1 facing the lower outer seal member 2, a second groove 20 is provided on a side of the lower outer seal member 2 facing the upper outer seal member 1, the mounting location 4 is a step surface provided in the first groove 19 or in the second groove 20, the inner seal member 3 is in threaded connection with the first groove 19 provided with the step surface or with the second groove 20 provided with the step surface, that is, the inner seal member 3 is connected with one of the first groove and the second groove provided with the step surface, and the inner seal member 3 rotates and moves up and down to cooperate with the step surface to press the gasket 18 to be tested.
Optionally, the mounting position 4 is a step surface arranged in the second groove 20, the inner sealing element 3 is in threaded connection with the second groove 20 provided with the step surface, and the inner sealing element 3 rotates and moves up and down to be matched with the step surface to press the gasket 18 to be measured.
Optionally, the inner sealing member 3 is provided with scale marks 16 distributed along the lifting direction thereof, and the height variation value of the gasket to be measured is recorded through the scale marks 16.
Optionally, the inner seal 3 is provided with a transition slot 17 for mating with a connection transition head. Wherein, the converting groove 17 can be the multilateral groove, for example interior hexagonal structure, rectangle structure, triangle-shaped structure etc. connect converting head one end and converting groove 17 stall cooperation, connect converting head's the other end and the cooperation of torque wrench, drive the rotatory compression of the gasket that awaits measuring through torque wrench and the cooperation of connecting converting head and adjust the measuring of compression of gasket that awaits measuring, record the measuring of moment of torsion change value that measuring gasket compression change value corresponds to detect measuring gasket compression, the influence of moment of torsion to the gasket sealing performance that awaits measuring.
The utility model provides an inside and outside sealing performance detection device of gasket, simple structure, easy dismounting avoids the dismouting in-process to cause the damage to the gasket that awaits measuring to be convenient for change the direction of business turn over gas as required, thereby the sealing performance of gasket that awaits measuring when equidirectional pressurized in the test need not to adopt equipment such as displacement sensor, vacuum pump, helium mass spectrograph, has both reduced the trouble, has improved the detection precision, the cost is reduced again.
In the description of the present specification, reference to the description of the terms "present embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an inside and outside sealing performance detection device of gasket which characterized in that: including the inner seal spare, go up the outer seal spare and outer seal spare down, go up outer seal spare and outer seal spare detachably sealing connection down to can form the seal chamber, go up outer seal spare and be equipped with the installation position that is used for installing the gasket that awaits measuring on one of them in the outer seal spare down, the inner seal spare is installed in the seal chamber, the inner seal spare compresses tightly the gasket that awaits measuring and separates into first minute chamber and second minute chamber with the seal chamber with the cooperation of installation position, go up one of them in outer seal spare and the lower outer seal spare and be equipped with the first exit with first minute chamber intercommunication, it imports and exports with the second that the second divides the chamber intercommunication to go up to be equipped with on another one in outer seal spare and the lower outer seal spare.
2. The gasket inner and outer sealing performance detection apparatus according to claim 1, characterized in that: one of the first inlet and the second outlet is an air inlet, the other of the first inlet and the second outlet is an air outlet, and an air detection mechanism is arranged at the air outlet.
3. The gasket inner and outer sealing performance detection apparatus according to claim 1, characterized in that: a first gas alarm is arranged in the first sub-cavity, and a second gas alarm is arranged in the second sub-cavity.
4. The gasket inner and outer sealing performance detection apparatus according to claim 1, characterized in that: the gasket inner and outer sealing performance detection device further comprises a heating furnace, the upper outer sealing piece, the lower outer sealing piece and the inner sealing piece are arranged in the heating furnace, and air pipes extending out of the heating furnace are connected to the first inlet and the second inlet.
5. The gasket inner and outer sealing performance detection apparatus according to claim 1 or 4, wherein: go up the outer seal spare with connect through retaining member detachably between the outer seal spare down, go up the outer seal spare with be equipped with between the outer seal spare down and be located the peripheral sealing washer of seal chamber, the retaining member is located the periphery of sealing washer.
6. The gasket inner and outer sealing performance detection apparatus according to claim 5, wherein: the sealing ring is made of graphite or vermiculite.
7. The gasket inner and outer sealing performance detection apparatus according to claim 1, characterized in that: the inner sealing piece is in threaded connection with one of the upper outer sealing piece and the lower outer sealing piece, wherein the mounting position is arranged in the upper outer sealing piece and the lower outer sealing piece.
8. The gasket inner and outer sealing performance detection apparatus according to claim 7, wherein: go up the external seal orientation be equipped with first recess on one side of external seal spare down, the external seal orientation down be equipped with the second recess on one side of going up the external seal spare, the installation position is the step face of setting in first recess or setting in the second recess, the internal seal spare is with first recess or the second recess threaded connection who is equipped with the step face, the rotatory lift of internal seal spare extrudees the gasket that awaits measuring with the cooperation of step face.
9. The gasket inner and outer sealing performance detection apparatus according to claim 8, wherein: and the inner sealing piece is provided with scale marks distributed along the lifting direction of the inner sealing piece.
10. The gasket inner and outer sealing performance detection apparatus according to claim 1, characterized in that: and the inner sealing piece is provided with a conversion groove matched with the connecting conversion head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955884.4U CN216247059U (en) | 2021-11-29 | 2021-11-29 | Device for detecting inner and outer sealing performance of gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955884.4U CN216247059U (en) | 2021-11-29 | 2021-11-29 | Device for detecting inner and outer sealing performance of gasket |
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| CN216247059U true CN216247059U (en) | 2022-04-08 |
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| CN202122955884.4U Active CN216247059U (en) | 2021-11-29 | 2021-11-29 | Device for detecting inner and outer sealing performance of gasket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116793592A (en) * | 2023-08-28 | 2023-09-22 | 成都成高阀门股份有限公司 | Sealing element inspection device and detection method thereof |
-
2021
- 2021-11-29 CN CN202122955884.4U patent/CN216247059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116793592A (en) * | 2023-08-28 | 2023-09-22 | 成都成高阀门股份有限公司 | Sealing element inspection device and detection method thereof |
| CN116793592B (en) * | 2023-08-28 | 2023-11-21 | 成都成高阀门股份有限公司 | Sealing element detection method by using sealing element detection device |
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