Withstand voltage test tool

Abstract

The utility model provides a withstand voltage test tool, and relates to the technical field of withstand voltage tests. The pressure-resistant test tool comprises a pressure-resistant shell, a mounting piece and a plugging piece, the pressure-resistant shell is used for being connected with a test bed, the mounting piece is in sealing connection with the pressure-resistant shell, the mounting piece is used for being partially inserted into a connecting seat through a communicating hole and is used for being in sealing connection with the inner wall of the communicating hole, and the plugging piece is used for being partially inserted into the connecting seat through the communicating hole and is used for being in sealing connection with the inner wall of the communicating hole. And the plugging piece is connected with the mounting piece and is used for being hermetically connected with the connecting seat. Therefore, when a withstand voltage test is carried out on the connecting seat, the external thread of the connecting seat does not need to be connected with a withstand voltage test tool, so that the problem that the cleaning of foreign matters on the external thread is relatively time-consuming is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pressure resistance test, in particular to a pressure resistance test tool. BACKGROUND

[0002] A pressure sensor is usually arranged in a gas flow meter. Before the pressure sensor is assembled, the pressure change seat of the pressure sensor needs to be tested for pressure resistance to ensure the reliability and safety of the pressure change seat.

[0003] In the prior art, a pressure resistance test tool is used to test the pressure resistance of the pressure change seat. The pressure change seat has external threads, and the pressure resistance test tool has internal threads. The external threads are connected with the internal threads to connect the pressure change seat with the pressure resistance test tool and perform pressure resistance test. After the pressure resistance test is completed, the pressure change seat is detached from the pressure resistance test tool.

[0004] However, since the pressure change seat is connected with the pressure resistance test tool by threads, after the pressure change seat is detached from the pressure resistance test tool, the metal chips and other debris on the external threads of the pressure change seat need to be cleaned, which is time-consuming. CONTENT OF THE INVENTION

[0005] The present application provides a pressure resistance test tool to solve the problem that it is time-consuming to clean the debris on the pressure change seat after the pressure change seat is detached from the pressure resistance test tool in the prior art.

[0006] The pressure resistance test tool provided by the present application is used for the connecting seat of a pressure sensor, the connecting seat has a communication hole, and the pressure resistance test tool comprises:

[0007] A pressure resistance shell is used to connect with a test bench;

[0008] An installation part is sealingly connected with the pressure resistance shell, the installation part is used to be partially inserted into the connecting seat through the communication hole, and the installation part is used to be sealingly connected with the inner wall of the communication hole;

[0009] A plugging part is used to be partially inserted into the connecting seat through the communication hole and connected with the installation part, and the plugging part is used to be sealingly connected with the connecting seat.

[0010] In some possible implementation manners, the pressure resistance test tool provided by the present application further comprises a first sealing part, the installation part has a first annular groove, the first sealing part is at least partially located in the first annular groove, and the first sealing part is used to abut against the inner wall of the communication hole.

[0011] In some possible embodiments, the pressure test tool provided by the present application, the mounting member comprises a first section, a second section and a third section arranged in sequence, the sealing member is connected with the first section, the third section is connected with the pressure shell, and the first annular groove is arranged on the second section.

[0012] The first annular groove has opposite first and second side walls, the first side wall is close to the third section, and a projection of the first side wall on the second side wall is at least partially located outside the second side wall.

[0013] In some possible embodiments, the pressure test tool provided by the present application, the mounting member has a flow guide channel, the flow guide channel has a communication inlet and an outlet, the inlet is arranged on the third section and communicates with the inside of the pressure shell, the outlet is arranged between the first annular groove and the first section, and the outlet communicates with the outside of the mounting member.

[0014] In some possible embodiments, the pressure test tool provided by the present application, the mounting member has a limiting portion, the limiting portion is used for cooperating with part of the connecting seat to limit the connecting seat.

[0015] In some possible embodiments, the pressure test tool provided by the present application, the mounting member is a plurality of mounting members, each of the mounting members is arranged at the circumferential side of the pressure shell in a spaced manner, the mounting members are used for one-to-one corresponding connection with the connecting seats, and the sealing members are arranged one-to-one corresponding to the mounting members.

[0016] In some possible embodiments, the pressure test tool provided by the present application, the sealing member comprises a head portion and a rod portion, the rod portion is arranged on one side of the head portion, the rod portion is used for being inserted into the connecting seat and detachably connected with the mounting member, and at least one of the head portion and the rod portion is used for sealed connection with the connecting seat.

[0017] In some possible embodiments, the pressure test tool provided by the present application further comprises at least one second sealing member, the head portion has a second annular groove, the second annular groove is arranged on the circumferential side of the rod portion, the second sealing member is at least partially located in the second annular groove, and the second sealing member is used for abutting against the connecting seat.

[0018] In some possible embodiments, the pressure test tool provided by the present application further comprises a third sealing member, the pressure shell has at least one mounting hole, the mounting member is partially inserted into the mounting hole, and the third sealing member is used for sealingly connecting the mounting member and the hole wall of the mounting hole.

[0019] This application discloses a pressure-resistant testing fixture. During pressure testing, a mounting component is connected to a pressure-resistant housing. The mounting component is partially inserted into a connecting hole in the connector, and a sealing component is also inserted into the connecting hole, with the sealing component connected to the mounting component. Therefore, when performing pressure testing on the connector, the connector can be connected to the pressure-resistant testing fixture without using the external thread of the connector. Furthermore, after the pressure test is completed, there is no need to clean the external thread, thus solving the problem of time-consuming foreign matter removal from the external thread. Attached Figure Description

[0020] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0021] Figure 1 A diagram showing the usage status of the withstand voltage testing fixture provided in the embodiments of this application;

[0022] Figure 2 for Figure 1 Partial sectional view;

[0023] Figure 3 for Figure 2 A sectional view of the mounting component;

[0024] Figure 4 for Figure 2 Cross-sectional view of the central sealing component;

[0025] Figure 5 for Figure 2 A cross-sectional view of the connecting seat.

[0026] The accompanying drawings have illustrated specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments.

[0027] Explanation of reference numerals in the attached figures:

[0028] 100 - Connecting seat; 110 - Connecting hole; 120 - External thread;

[0029] 200 - Pressure-resistant housing; 210 - First end; 220 - Connecting section; 221 - Mounting hole; 222 - Fourth connecting part; 230 - Second end;

[0030] 300 - Mounting component; 310 - First section; 311 - Connecting hole; 312 - Second connecting part; 320 - Second section; 321 - First annular groove; 322 - First sidewall; 323 - Second sidewall; 324 - Limiting part; 330 - Third section; 331 - Third connecting part; 340 - Guide channel; 341 - Air inlet; 342 - Air outlet;

[0031] 400 - closure; 410 - head; 411 - second annular groove; 420 - stem; 421 - first connecting portion;

[0032] 500 - first seal;

[0033] 600 - second seal. DETAILED DESCRIPTION

[0034] The exemplary embodiments will be described in detail below with reference to a few examples thereof as illustrated in the accompanying drawings. In the following description, unless some feature, structure, or characteristic is recited differently, the same reference numerals are used in different drawings to denote identical or similar elements. The implementations described in the following exemplary embodiments are not meant to represent all implementations consistent with the present disclosure. Instead, they are merely examples of apparatuses and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0035] The gas flow meter comprises a flow meter base table, a gas volume corrector and a pressure sensor. The flow meter base table calculates the cumulative volume flow of the gas under working conditions. The pressure sensor is used to measure the pressure in the gas pipeline. The gas volume corrector calculates the cumulative volume flow of the gas under standard reference conditions, i.e., the standard cumulative flow, according to the pressure measured by the pressure sensor.

[0036] In the prior art, the pressure sensor comprises a pressure variable seat. A pressure test tool is usually used to test the pressure resistance of the pressure variable seat. The pressure variable seat has external threads, and the pressure test tool has internal threads. The pressure variable seat is inserted into the pressure test tool so that the internal threads are connected with the external threads, thereby connecting the pressure variable seat with the pressure test tool. The pressure variable seat has a communication hole that communicates between two ends of the pressure variable seat, and one side of the communication hole extends into the pressure test tool. The other end of the communication hole is plugged and sealed by a plug. Then, the pressure resistance of the pressure variable seat can be tested. After the pressure test is completed, the pressure variable seat is disconnected from the pressure test tool, and the pressure variable seat is removed from the pressure test tool. Since the pressure variable seat and the pressure test tool are connected by threads, when the pressure variable seat is installed on the pressure test tool, force is needed to rotate the pressure variable seat relative to the pressure test tool so that the connection between the pressure variable seat and the pressure test tool is more stable. After the pressure variable seat is removed from the pressure test tool, dust and dirt, etc. may fall off the external threads of the pressure variable seat. The existence of the foreign matter will affect the sealing of the pressure sensor. Therefore, the foreign matter on the external threads of the pressure variable seat needs to be cleaned before the pressure variable seat is assembled. However, cleaning the foreign matter is time-consuming.

[0037] Based on this, the application provides a pressure test tool. When the pressure test is performed, the mounting member is connected with the pressure shell, the mounting member is partially inserted into the communication hole of the connecting seat, the blocking member is partially inserted into the communication hole, and the blocking member is connected with the mounting member. Therefore, when the connecting seat is tested, the outer thread of the connecting seat does not need to be used to connect the connecting seat with the pressure test tool, and after the pressure test is completed, the outer thread does not need to be cleaned, thereby solving the problem that it is time-consuming to clean the foreign matter on the outer thread.

[0038] The application will be described below with reference to the drawings.

[0039] Referring to Figures 1 to 5 The pressure test tool provided by the application is used for the connecting seat 100 of the pressure sensor, and the connecting seat 100 has a communication hole 110. The pressure test tool includes a pressure shell 200, at least one mounting member 300, and at least one blocking member 400. The pressure shell 200 is used to be connected with a test bench. The mounting member 300 is sealingly connected with the pressure shell 200, and the mounting member 300 is used to be partially inserted into the connecting seat 100 through the communication hole 110. The mounting member 300 is used to be sealingly connected with the inner wall of the communication hole 110. The blocking member 400 is used to be partially inserted into the connecting seat 100 through the communication hole 110 and connected with the mounting member 300. The blocking member 400 is used to be sealingly connected with the connecting seat 100.

[0040] The test bench applies a test pressure higher than the normal working pressure of the connecting seat 100 to the pressure shell 200, and the mounting member 300 transmits the test pressure to the connecting seat 100, so as to verify whether the connecting seat 100 can withstand the pressure without leakage, deformation or rupture. The connecting seat 100 can be a pressure change seat of the pressure sensor.

[0041] The mounting member 300 is sealingly connected with the pressure shell 200, the mounting member 300 is sealingly connected with the connecting seat 100, and the blocking member 400 is sealingly connected with the connecting seat 100, so as to prevent the test pressure from leaking between the mounting member 300 and the pressure shell 200, between the mounting member 300 and the connecting seat 100, and between the blocking member 400 and the connecting seat 100, and to ensure the stability of the test pressure and the accuracy of the test structure in the pressure test.

[0042] In the pressure test of the connecting seat 100, the mounting member 300 is first sealed and connected to the pressure-resistant shell 200, then the connecting seat 100 is sleeved on the mounting member 300, and the connecting seat 100 and the mounting member 300 are sealed. Then the plugging member 400 is inserted on the connecting seat 100, and the plugging member 400 is connected with the mounting member 300 through the connecting seat 100, and the plugging member 400 and the connecting seat 100 are sealed. Thus, the connecting seat 100 is installed on the pressure test tool. Alternatively, the connecting seat 100 can be connected with the mounting member 300 first, then the plugging member 400 is connected with the connecting seat 100 and the mounting member 300, and finally the mounting member 300 is connected with the pressure-resistant shell 200.

[0043] After the connecting seat 100 is connected with the pressure test tool, the pressure-resistant shell 200 can be connected with the pressure test platform, and the pressure test can be performed. After the pressure test is completed, the plugging member 400 is disconnected from the mounting member 300, and the plugging member 400 is disconnected from the connecting seat 100, and the connecting seat 100 can be removed from the mounting member 300.

[0044] The pressure test tool provided by the embodiment of the application can be connected with the pressure test tool and the pressure test can be performed without using the external thread 120 of the connecting seat 100 by connecting the mounting member 300 with the pressure-resistant shell 200, inserting the mounting member 300 in the communication hole 110 of the connecting seat 100, and inserting the plugging member 400 in the communication hole 110 and connecting the plugging member 400 with the mounting member 300. Thus, the external thread 120 of the connecting seat 100 does not need to be cleaned, and the problem of time-consuming cleaning of foreign matters on the external thread 120 can be solved.

[0045] Reference Figure 2 In some embodiments, the pressure test tool provided by the embodiment of the application further comprises a first sealing member 500, and the mounting member 300 has a first annular groove 321, and the first sealing member 500 is at least partially located in the first annular groove 321, and the first sealing member 500 is used to abut against the inner wall of the communication hole 110.

[0046] The first annular groove 321 is provided to accommodate part of the first sealing member 500 and limit the first sealing member 500. Part of the first sealing member 500 extends out of the first annular groove 321 and tightly abuts against the inner wall of the communication hole 110, so that the mounting member 300 and the connecting seat 100 can be sealed and connected by the first sealing member 500 to prevent pressure relief between the mounting member 300 and the connecting seat 100 during the pressure test.

[0047] The first seal 500 is a sealing ring, and can be made of silicone rubber or rubber, so as to prevent foreign matters from remaining in the communication hole 110 of the connecting seat 100 when the connecting seat 100 is detached from the mounting member 300, and reduce the time for cleaning the connecting seat 100.

[0048] It can be understood that the first seal 500 can be selected according to the pressure range of the pressure test tool and actual requirements.

[0049] In a specific implementation, the first seal 500 is first installed in the first annular groove 321, and then the connecting seat 100 is sleeved on the mounting member 300, or the mounting member 300 is inserted into the communication hole 110, so as to compress the first seal 500, so that the first seal 500 tightly abuts against the inner wall of the communication hole 110, and the mounting member 300 and the connecting seat 100 are sealed by the elastic effect of the first seal 500.

[0050] With reference to Figure 2 and Figure 3 In some embodiments, the mounting member 300 includes the first segment 310, the second segment 320 and the third segment 330 arranged in sequence. The plugging member 400 is connected to the first segment 310, the third segment 330 is connected to the pressure-resistant shell 200, and the first annular groove 321 is located on the second segment 320.

[0051] For example, the first segment 310, the second segment 320 and the third segment 330 are coaxially arranged. The third segment 330 is located outside the communication hole 110, so as to facilitate the connection between the third segment 330 and the pressure-resistant shell 200.

[0052] With reference to Figure 2 and Figure 3 In some embodiments, the first annular groove 321 has opposite first and second side walls 322 and 323, the first side wall 322 is close to the third segment 330, and a projection of the first side wall 322 on the second side wall 323 is at least partially located outside the second side wall 323.

[0053] For example, the first seal 500 has a first side, a second side and an outer side, the first side and the second side are oppositely arranged and have equal areas, the outer side is located between the first side and the second side, one of the first side and the second side abuts against the first side wall 322, and the other abuts against the second side wall 323.

[0054] Specifically, when the first sealing member 500 is located in the first annular groove 321, the first side surface of the first sealing member 500 abuts against the first side wall 322, and the second side surface of the first sealing member 500 partially abuts against the second side wall 323, and the part of the second side surface is located outside the second side wall 323. The end surface of the connecting seat 100 abuts against the second side surface located outside the second side wall 323, so that the first sealing member 500 seals the end surface of the connecting mounting 300 and the connecting seat 100. Alternatively, the outer side surface of the first sealing member 500 abuts against the inner wall of the communication hole 110, so that the first sealing member 500 seals the inner wall of the communication hole 110 and the connecting mounting 300. In this way, the pressure test tool can be connected with connecting seats 100 of different specifications, thereby expanding the application range of the pressure test tool.

[0055] With reference to Figure 2 and Figure 3 In some embodiments, the mounting 300 has a flow guide channel 340, the flow guide channel 340 has a communication inlet 341 and an outlet 342, the communication inlet 341 is located on the third section 330 and communicates with the inside of the pressure shell 200, and the outlet 342 is located between the first annular groove 321 and the first section 310 and communicates with the outside of the mounting 300.

[0056] The communication inlet 341 is located on the third section 330, so that the communication inlet 341 communicates with the pressure shell 200. The outlet 342 is located between the first annular groove 321 and the first section 310, so that the outlet 342 can communicate between the inner wall of the communication hole 110 and the mounting 300, and the gas sent out through the outlet 342 can be sealed between the inner wall of the communication hole 110 and the mounting 300.

[0057] For example, the flow guide channel 340 includes a first channel and a second channel, the first channel is located in the second section 320 and the third section 330, and the second channel is located between the first section 310 and the second section 320.

[0058] In this way, the inside of the pressure shell 200 and the inner wall of the communication hole 110 and the mounting 300 can be communicated through the flow guide channel 340, so that when the pressure test is performed, the test pressure can be guided to the inner wall of the communication hole 110 and the mounting 300 through the flow guide channel 340.

[0059] With reference to Figure 2 and Figure 3 In specific implementation, the mounting 300 has a limiting portion 324, the limiting portion 324 is used to cooperate with part of the connecting seat 100 to limit the connecting seat 100.

[0060] Exemplarily, the limiting portion 324 is a limiting step provided on the second section 320, and the limiting step is annularly arranged on the second section 320. The limiting step can be located between the first annular groove 321 and the first section 310.

[0061] Specifically, when the mounting member 300 is moved along the through hole 110 to insert the mounting member 300 into the connecting seat 100 through the through hole 110, part of the structure on the connecting seat 100 will abut against the limiting portion 324, thereby limiting the mounting member 300 from continuing to move along the through hole 110, so as to limit the position of the mounting member 300 in the through hole 110. At the same time, the amount of extrusion of the mounting member 300 and the connecting seat 100 on the first sealing member 500 can be limited, so as to prevent the connecting seat 100 from excessively extruding the first sealing member 500 and causing damage to the first sealing member 500.

[0062] Referring to Figure 1 and Figure 2 In some examples, the mounting member 300 is a plurality of mounting members, and the mounting members 300 are arranged at intervals on the circumferential side of the pressure-resistant shell 200, the mounting members 300 are used to be connected to the connecting seats 100 one by one, and the sealing members 400 are arranged one by one with the mounting members 300.

[0063] In this way, the plurality of connecting seats 100 can be simultaneously mounted on the pressure-resistant test tool, and then the plurality of connecting seats 100 can be simultaneously subjected to pressure-resistant test, so as to improve the pressure-resistant test efficiency.

[0064] Referring to Figure 2 and Figure 4 In some examples, the sealing member 400 includes a head portion 410 and a rod portion 420, the rod portion 420 is arranged on one side of the head portion 410, the rod portion 420 is used to be inserted into the connecting seat 100 and is detachably connected to the mounting member 300, and at least one of the head portion 410 and the rod portion 420 is used to be sealingly connected to the connecting seat 100.

[0065] The rod portion 420 is inserted into the through hole through one end of the through hole 110 of the connecting seat 100, and the head portion 410 is sealingly connected to the connecting seat 100.

[0066] Exemplarily, the head portion 410 and the rod portion 420 are coaxially connected, and a projection of the rod portion 420 on the head portion 410 is located in the head portion 410. The rod portion 420 is in a cylindrical shape.

[0067] Referring to Figure 2 and Figure 4 In some examples, the pressure-resistant test tool provided by the embodiments of the present application further includes at least one second sealing member 600, the head portion 410 has a second annular groove 411, the second annular groove 411 is annularly arranged on the circumferential side of the rod portion 420, the second sealing member 600 is at least partially located in the second annular groove 411, and the second sealing member 600 is used to abut against the connecting seat 100.

[0068] The second sealing member 600 is partially accommodated in the second annular groove 411, and extends out of the second annular groove 411 and abuts against the end surface of the one end of the connecting seat 100, so that the connecting seat 100 and the blocking member 400 are sealed by the second sealing member 600.

[0069] For example, the second sealing member 600 is a sealing ring, and the second sealing member 600 can be a silicone rubber member or a rubber member, so that no foreign matter is left on the connecting seat 100 when the blocking member 400 is detached from the connecting seat 100, and the time for cleaning the connecting seat 100 is reduced.

[0070] It can be understood that the second sealing member 600 can be selected according to the pressure range of the pressure test tool and actual needs.

[0071] In a specific implementation, the second sealing member 600 is first installed in the second annular groove 411, and then the rod portion 420 is inserted into the communication hole 110 of the connecting seat 100 through one end of the communication hole 110, so that the second sealing member 600 abuts between the head portion 410 and the connecting seat 100, and the rod portion 420 is connected to the mounting member 300 to compress the second sealing member 600, so that the second sealing member 600 abuts against the connecting seat 100 and the groove bottom of the second annular groove 411, and the connecting seat 100 and the blocking member 400 are sealed.

[0072] Referring to Figure 2 , Figure 3 and Figure 4 , the side of the rod portion 420 away from the head portion 410 has a first connecting portion 421, and the mounting member 300 has a second connecting portion 312, and the first connecting portion 421 and the second connecting portion 312 are detachably connected.

[0073] The first connecting portion 421 and the second connecting portion 312 are detachably connected, so that after the pressure test is completed, the first connecting portion 421 and the second connecting portion 312 are disconnected, and the blocking member 400 is taken out of the communication hole 110, and then the connecting seat 100 can be taken down. Thus, after the pressure test is completed, the connecting seat 100 can be easily detached from the pressure test tool.

[0074] It can be understood that the first connecting portion 421 and the second connecting portion 312 can be connected by screw threads or clamping.

[0075] For example, the first connecting portion 421 can be an external thread, and the second connecting portion 312 can be an internal thread.

[0076] Specifically, the first section 310 of the mounting member 300 has a connecting hole 311, and a second connecting portion 312 is located on the inner wall of the connecting hole 311. When connecting the plugging member 400 and the mounting member 300, the rod portion 420 of the plugging member 400 is inserted into the connecting hole 311, and the plugging member 400 is rotated relative to the mounting member 300, so that the first connecting portion 421 and the second connecting portion 312 are threadedly connected, and the second sealing member 600 can be compressed to seal the plugging member 400 and the connecting seat 100 through the elasticity of the second sealing member 600.

[0077] With reference to Figure 2 and Figure 3 In some embodiments, the pressure resistance test tool provided by the embodiments of the present application further comprises a third sealing member, and the pressure resistance shell 200 has at least one mounting hole 221, and the mounting member 300 is partially inserted into the mounting hole 221, and the third sealing member seals the hole wall connecting the mounting member 300 and the mounting hole 221.

[0078] The third sealing member is arranged to seal the mounting member 300 and the hole wall of the mounting hole 221, thereby ensuring the sealing between the mounting member 300 and the pressure resistance shell 200, and preventing the test pressure from leaking between the mounting member 300 and the pressure resistance shell 200. It can be understood that when multiple connecting seats 100 need to be tested for pressure resistance at the same time, the number of mounting members 300 and plugging members 400 is multiple, and each mounting member 300 and each plugging member 400 are arranged one-to-one corresponding to the connecting seat 100, and each mounting member 300 can be connected to the same pressure resistance shell 200.

[0079] For example, the pressure resistance shell 200 comprises a first end portion 210, a connecting section 220 and a second end portion 230 arranged in sequence, and the first end portion 210 and the second end portion 230 are arranged on opposite sides of the connecting section 220. Further, the first end portion 210, the connecting section 220 and the second end portion 230 are coaxially connected, and the connecting section 220 can be a cylinder.

[0080] The mounting hole 221 is arranged on the connecting section 220. The mounting member 300 is arranged one-to-one corresponding to the mounting hole 221. Each mounting hole 221 can be arranged in a matrix on the outer wall of the connecting section 220.

[0081] With reference to Figure 2 and Figure 3 In a specific implementation, the mounting member 300 has a third connecting portion 331, the hole wall of the mounting hole 221 has a fourth connecting portion 222, the third connecting portion 331 is connected with the fourth connecting portion 222, and the third sealing member fills the gap between the third connecting portion 331 and the fourth connecting portion 222 to seal the third connecting portion 331 and the fourth connecting portion 222.

[0082] The third sealing member can be sealing glue.

[0083] The sealing glue is arranged to fill the gap between the third connecting part 331 and the fourth connecting part 222, and to bond the third connecting part 331 and the fourth connecting part 222, thereby ensuring the sealing between the third connecting part 331 and the fourth connecting part 222, preventing the test pressure from leaking through the joint between the third connecting part 331 and the fourth connecting part 222, and ensuring the accuracy of the test result.

[0084] The third connecting part 331 is externally threaded, the fourth connecting part 222 is internally threaded, and the third sealing member is threaded sealing glue.

[0085] Specifically, the threaded sealing glue can be first applied to the periphery of the third connecting part 331, and then the mounting member 300 is partially inserted into the pressure-resistant housing 200, so that the third connecting part 331 is threadedly connected with the fourth connecting part 222, and the threaded sealing glue is filled between the third connecting part 331 and the fourth connecting part 222.

[0086] In this application, the third connecting part 331 is located on the third section 330 of the mounting member 300.

[0087] The terms "first", "second", etc. in the specification and claims of the embodiments of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0088] In the embodiments of the present application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the embodiments of the present application can be understood according to the specific circumstances.

[0089] In addition, the terms "set", "connected", and "fixed" should be construed broadly. For example, "connected" can be direct or indirect connection, fixed or detachable connection, or integral configuration; "connected" can be mechanical or electrical connection; "connected" can be direct connection, or indirect connection via an intermediate medium, or internal connection between two elements, components, or parts. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present disclosure according to the specific circumstances.

[0090] The term "plurality" means two or more, unless otherwise specified.

[0091] Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the present application cover any and all variations of the application that come within the scope of the present application, along with all of the equivalents thereof. It is intended that the specification and examples be considered exemplary only, with the true scope of the application being indicated by the appended claims.

Claims

1. A pressure resistance testing fixture for a connector (100) for a pressure sensor, the connector (100) having a communicating hole (110), characterized in that, The withstand pressure test fixture includes: A pressure-resistant housing (200) is used to connect to a test bench; Mounting component (300), wherein the mounting component (300) is sealed to the pressure-resistant housing (200), the mounting component (300) is partially inserted into the connecting seat (100) through the connecting hole (110), and the mounting component (300) is sealed to the inner wall of the connecting hole (110); A sealing element (400) is used to be partially inserted into the connecting seat (100) through the connecting hole (110) and connected to the mounting element (300). The sealing element (400) is used to seal the connection with the connecting seat (100).

2. The pressure resistance testing fixture according to claim 1, characterized in that, It also includes a first seal (500), the mounting member (300) having a first annular groove (321), the first seal (500) being at least partially located within the first annular groove (321), the first seal (500) being used to abut against the inner wall of the communicating hole (110).

3. The pressure resistance testing fixture according to claim 2, characterized in that, The mounting component (300) includes a first section (310), a second section (320) and a third section (330) arranged in sequence. The sealing component (400) is connected to the first section (310), the third section (330) is connected to the pressure-resistant housing (200), and the first annular groove (321) is located on the second section (320).

4. The pressure resistance testing fixture according to claim 3, characterized in that, The first annular groove (321) has opposing first sidewalls (322) and second sidewalls (323), the first sidewall (322) being close to the third segment (330), and the projection of the first sidewall (322) onto the second sidewall (323) being at least partially located outside the second sidewall (323).

5. The pressure resistance testing fixture according to claim 3, characterized in that, The mounting component (300) has a flow channel (340) with a communicating air inlet (341) and an air outlet (342). The air inlet (341) is located on the third section (330) and communicates with the interior of the pressure-resistant housing (200). The air outlet (342) is located between the first annular groove (321) and the first section (310) and communicates with the exterior of the mounting component (300).

6. The withstand voltage testing fixture according to claim 1, characterized in that, The mounting component (300) has a limiting part (324) for cooperating with a portion of the connecting seat (100) to limit the connecting seat (100).

7. The pressure resistance testing fixture according to any one of claims 1-6, characterized in that, There are multiple mounting components (300), and each mounting component (300) is spaced apart on the periphery of the pressure-resistant housing (200). The mounting components (300) are used to connect one-to-one with the connecting seat (100), and the sealing component (400) is provided one-to-one with the mounting component (300).

8. The withstand voltage testing fixture according to any one of claims 1-6, characterized in that, The sealing member (400) includes a head (410) and a rod (420), the rod (420) being disposed on one side of the head (410), the rod (420) being inserted into the connector (100) and detachably connected to the mounting member (300), and at least one of the head (410) and the rod (420) being used for a sealing connection with the connector (100).

9. The pressure resistance testing fixture according to claim 8, characterized in that, It also includes at least one second seal (600), the head (410) having a second annular groove (411) surrounding the circumference of the rod portion (420), the second seal (600) being at least partially located within the second annular groove (411), and the second seal (600) being used to abut against the connecting seat (100).

10. The pressure resistance testing fixture according to any one of claims 1-6, characterized in that, It also includes a third seal, wherein the pressure housing (200) has at least one mounting hole (221), the mounting member (300) is partially inserted into the mounting hole (221), and the third seal seals the mounting member (300) and the hole wall of the mounting hole (221).

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