CN220552716U - Pressure-resistant testing device for watertight connector - Google Patents

Pressure-resistant testing device for watertight connector Download PDF

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Publication number
CN220552716U
CN220552716U CN202321973268.4U CN202321973268U CN220552716U CN 220552716 U CN220552716 U CN 220552716U CN 202321973268 U CN202321973268 U CN 202321973268U CN 220552716 U CN220552716 U CN 220552716U
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China
Prior art keywords
pressure
watertight
testing
pressure tank
socket
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CN202321973268.4U
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Chinese (zh)
Inventor
任翀
蔺本浩
汪东平
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Laoshan National Laboratory
Qingdao Marine Science And Technology Center
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Laoshan National Laboratory
Qingdao Marine Science And Technology Center
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Abstract

The utility model relates to a pressure-resistant testing device of a watertight connector, which belongs to the technical field of detection devices and comprises a pressurizing assembly and a moisture testing assembly; the pressurizing assembly comprises a pressure tank, a water pressure testing cavity is formed in the pressure tank, the watertight connector is installed in the pressure tank, the watertight socket is sealed with the inner surface of the bottom of the pressure tank through a sealing groove, and a lead connected with the watertight socket extends to the outside of the pressure tank along the installation hole; the moisture testing assembly comprises a first moisture tester arranged at the joint of the watertight socket and the lead and used for testing the sealing performance of the watertight socket, and a second moisture tester arranged at one end of the mounting hole away from the watertight socket and used for testing the sealing performance of the sealing groove. The pressure-resistant testing device for the watertight connector can accurately and intuitively obtain a testing result, and can simultaneously test a plurality of watertight connectors with different specifications, so that the accuracy and the efficiency of the testing are improved.

Description

Pressure-resistant testing device for watertight connector
Technical Field
The utility model belongs to the technical field of detection devices, and particularly relates to a pressure-resistant testing device for a watertight connector.
Background
The watertight connector works in an underwater environment and needs to bear the action of high-pressure water, if the sealing performance is poor, water can be led to permeate into the connector, so that signal attenuation or interruption is caused, and the normal work of underwater equipment is affected. Therefore, it is necessary to perform a pressure resistance test on the watertight connector to verify its sealing performance and reliability in a high-pressure underwater environment.
In the prior art, chinese patent No. 210741768U discloses an internal and external pressure test device of a watertight connection seat, and the technical scheme is that an external water pressure test is carried out on the watertight connection seat through an external water pressure device, and whether the watertight connection seat is qualified or not is judged by observing the inner surface of the watertight connection seat, a wire, a socket and water stains in the inner cavity of a cylinder body. However, the test result of the technical scheme is not accurate enough, if water stains generated by water leakage are few, the water stains are difficult to observe by naked eyes, and erroneous judgment can be caused; and the device can only detect a watertight connection seat at a time, is difficult to satisfy the test demand of a large number of watertight connectors.
Therefore, how to improve the accuracy and efficiency of the withstand voltage test of the watertight connector is a technical problem that needs to be solved currently.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the pressure-resistant testing device for the watertight connector, which can accurately and intuitively observe the testing result through the arrangement of the moisture testing component and improve the accuracy and efficiency of the pressure-resistant testing of the watertight connector.
The utility model provides a pressure-resistant testing device of a watertight connector, comprising:
the pressurizing assembly comprises a pressure tank, a water pressure testing cavity is formed in the pressure tank, a mounting hole for mounting a watertight socket of the watertight connector is formed in the bottom of the pressure tank, the mounting hole penetrates through the bottom of the pressure tank, the watertight socket is in threaded connection with the mounting hole, the watertight socket is sealed with the inner surface of the bottom of the pressure tank through a sealing groove, and a lead connected with the watertight socket extends to the outside of the pressure tank along the mounting hole;
a moisture testing assembly comprising a first moisture tester and a second moisture tester; the first moisture tester is arranged at the joint of the watertight socket and the lead and is used for testing the sealing performance of the watertight socket; the second moisture tester is arranged at one end of the mounting hole far away from the watertight socket and used for testing the sealing performance of the sealing groove.
According to the technical scheme, whether water exists or not can be accurately and intuitively displayed through the water testing component, so that a tester can quickly draw a conclusion, the result of the pressure-resistant test of the watertight connector is more reliable, and meanwhile, the accuracy and the efficiency of the pressure-resistant test of the watertight connector are improved.
In some embodiments, the watertight socket is provided with a threaded mounting portion, an internal thread matched with the threaded mounting portion is arranged in the mounting hole, the watertight socket is in threaded connection with the mounting hole through the threaded mounting portion, and the length of the threaded mounting portion is smaller than the depth of the mounting hole. The length of screw thread installation department is less than the degree of depth of mounting hole in this technical scheme, can be convenient for install the second moisture tester.
In some of these embodiments, the first moisture tester includes a first moisture test strip attached to a root portion of the wire connected to the watertight socket for testing the sealing performance of the watertight socket itself. According to the technical scheme, the first moisture test paper is used, so that the first moisture tester is more convenient to install and observe a measurement result.
In some of these embodiments, the second moisture tester includes a second moisture test strip attached to the bottom of the mounting hole and extending into the inside of the mounting hole for testing the sealing performance of the sealing groove. According to the technical scheme, the second moisture test paper is used, so that the second moisture tester is more convenient to install and observe a measurement result.
In some embodiments, the pressure tank comprises a cylinder body, the upper end cover and the lower end cover are respectively connected with the upper end and the lower end of the cylinder body in a sealing mode, and the lower end cover is provided with a plurality of mounting holes.
In some of these embodiments, the mounting holes have different gauges to accommodate different gauges of watertight sockets. According to the technical scheme, through the mounting holes with different specifications, the pressure-resistant testing device for the watertight connector can be suitable for watertight sockets with different specifications.
In some of these embodiments, the pressurization assembly further comprises a pressurization pump in communication with the hydraulic test chamber. According to the technical scheme, through the arrangement of the pressurizing pump, the pressurizing efficiency is improved, and the stability of pressure change in the pressure tank is ensured.
In some of these embodiments, the pressurization assembly further comprises a pressure gauge for measuring the pressure value inside the pressure tank, the pressure gauge being disposed at the top of the pressure tank. According to the technical scheme, through the arrangement of the pressure gauge, the pressure condition inside the pressure tank is convenient to monitor and display, and the safe operation of the pressure-resistant testing device of the watertight connector is guaranteed.
In some of these embodiments, the watertight connector pressure test device further comprises a base for supporting, the pressure tank being detachably connected to the base. According to the technical scheme, the pressure tank is supported by the base, so that the pressure tank and the moisture testing assembly are more convenient to install and observe.
In some of these embodiments, the base is threadably connected to the pressure tank. According to the technical scheme, the detachable connection mode of threaded connection is adopted, so that the pressure tank is simpler and more convenient to assemble and disassemble.
Based on the scheme, the pressure-resistant testing device for the watertight connectors can accurately and intuitively display whether water exists or not, so that a tester can quickly draw a conclusion, test a plurality of watertight connectors at the same time, the pressure-resistant testing device can be suitable for watertight connectors with different specifications, and accuracy and efficiency of pressure-resistant testing of the watertight connectors are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a pressure-resistant testing device for watertight connectors according to the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of the watertight socket installed in the installation hole;
FIG. 4 is a schematic diagram of the distribution of mounting holes in the lower end cap of the pressure tank;
fig. 5 is a schematic structural view of the base.
In the figure:
1. a pressure tank; 2. a pressurizing pump; 3. a pressure gauge; 4. a watertight socket; 5. a first moisture tester; 6. a second moisture tester; 7. a base;
101. an upper end cap; 102. a cylinder; 103. a lower end cap; 104. a mounting hole; 105. an O-ring;
106. a first fixing member; 201. a valve;
401. sealing the groove; 402. vulcanizing rubber body of watertight socket; 403. a watertight socket metal housing;
404. a wire; 701. a support rod; 702. a support plate; 703. and a second fixing member.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
1-5, in one embodiment of the watertight connector pressure resistance testing device of the present utility model, the watertight connector pressure resistance testing device includes a pressurizing assembly and a moisture testing assembly; the pressurizing assembly comprises a pressure tank 1, a water pressure testing chamber is formed in the pressure tank 1, a mounting hole 104 for mounting a watertight socket 4 of a watertight connector is formed in the bottom of the pressure tank 1, the mounting hole 104 penetrates through the bottom of the pressure tank 1, the watertight socket 4 is connected in the mounting hole 104 in a threaded manner, the watertight socket 4 is sealed with the inner surface of the bottom of the pressure tank 1 through a sealing groove 401, and a lead 404 connected with the watertight socket 4 extends to the outside of the pressure tank 1 along the mounting hole 104; the moisture testing assembly comprises a first moisture tester 5 and a second moisture tester 6; the first moisture tester 5 is installed at the joint of the watertight socket 4 and the lead 404 and is used for testing the sealing performance of the watertight socket 4; the second moisture tester 6 is mounted at an end of the mounting hole 104 remote from the watertight socket 4 for testing the sealing performance of the sealing groove 401.
In the above-mentioned exemplary embodiment, compared with the case that whether moisture exists or not is observed by naked eyes, the watertight connector withstand voltage test device provided by the utility model can accurately and intuitively display whether the water exists or not through the moisture test assembly, so that a tester can quickly draw out a conclusion, the operation is simple, the result of the watertight connector withstand voltage test is more reliable, and meanwhile, the accuracy and the efficiency of the watertight connector withstand voltage test are improved.
To facilitate installation of the second moisture tester 6, in some embodiments, as shown in fig. 3, the watertight socket 4 is provided with a threaded mounting portion, an internal thread matching the threaded mounting portion is provided in the mounting hole 104, and the watertight socket 4 is screwed with the mounting hole 104 through the threaded mounting portion, and the length of the threaded mounting portion is smaller than the depth of the mounting hole 104.
Further, as shown in fig. 3, the first moisture tester 5 includes a first moisture test paper attached to the root portion of the wire 404 connected to the watertight socket 4 for testing the sealing performance of the watertight socket 4 itself. The first moisture test paper makes the installation of the first moisture tester 5 and the observation of the measurement result easier. It should be noted that, the first moisture test paper is a moisture test paper that changes color when meeting water, and can be adhered to the root of the wire 404 through the back adhesive thereof, if the first moisture test paper changes color in the test process, it indicates that the water in the pressure tank 1 seeps between the vulcanized rubber body 402 of the watertight socket and the metal shell 403 of the watertight socket, and the sealing is invalid at this place, that is, the sealing performance of the watertight socket 4 is unqualified.
In some embodiments, as shown in fig. 2, the second moisture tester 6 includes a second moisture test strip attached to the bottom of the mounting hole 104 and extending into the inside of the mounting hole 104 for testing the sealing performance of the sealing groove 401. The second moisture test paper facilitates the installation of the second moisture tester 6 and the observation of the measurement result. It should be noted that, the second moisture test paper is a moisture test paper that changes color when meeting water, and can be adhered to the bottom of the mounting hole 104 through the adhesive back of the second moisture test paper and extend into the inner side of the mounting hole 104, if the second moisture test paper changes color in the test process, it is noted that water in the pressure tank 1 seeps along the threaded connection position of the watertight socket 4 and the mounting hole 104, that is, the sealing groove 401 at the connection position of the watertight socket 4 and the pressure tank 1 fails in sealing.
In some embodiments, as shown in fig. 1, the pressure tank 1 includes a cylinder 102, and an upper end cover 101 and a lower end cover 103 are respectively connected to the upper end and the lower end of the cylinder 102 in a sealing manner, and a plurality of mounting holes 104 are formed in the lower end cover 103. It should be noted that, the sealing connection between the cylinder 102 and the upper end cover 101 and the lower end cover 103 may be achieved in various manners, and the cylinder 102 and the upper end cover 101 and the lower end cover 103 in this embodiment are fixedly connected through the first fixing member 106, and the connection between the cylinder 102 and the upper end cover 101 and the connection between the cylinder 102 and the lower end cover 103 are respectively provided with an O-ring 105 for sealing. Further, the first fixing member 106 may be a high-strength socket head cap screw.
In some embodiments, as shown in fig. 4, the mounting holes 104 have different gauges to accommodate different gauges of watertight sockets 4. Through the mounting holes 104 with different specifications, the watertight connector withstand voltage testing device provided by the utility model can be suitable for watertight sockets 4 with different specifications. The present embodiment provides a design with 16 mounting holes 104 (8 7/16-20UNF watertight sockets 4 and 8 1/2-20UNF watertight sockets 4 in fig. 1) in total, which can test 16 watertight connectors at the same time, and it should be noted that when the idle mounting holes 104 are provided for one test, the idle mounting holes 104 can be plugged after the watertight connectors to be tested are mounted, so as to ensure the sealing of the pressure tank 1 for smooth test.
In some embodiments, as shown in fig. 1, the pressurization assembly further includes a pressurization pump 2, the pressurization pump 2 being in communication with the hydraulic test chamber. By the arrangement of the pressurizing pump 2, the pressurizing efficiency is improved, and the stability of pressure change in the pressure tank 1 is ensured.
In order to control the pressure change in the pressure tank 1 more conveniently, in some embodiments, as shown in fig. 1, a valve 201 is arranged at the connection part of the pressurizing pump 2 and the pressure tank 1, and the valve 201 can be used for adjusting the flow rate, the pressure and other parameters of water or controlling the switch for pressurizing and releasing the pressure of the pressure tank 1.
In some embodiments, as shown in fig. 1, the pressurizing assembly further includes a pressure gauge 3 for measuring the pressure value inside the pressure tank 1, and the pressure gauge 3 is disposed at the top of the pressure tank 1. Through the setting of manometer 3, be convenient for monitor and display the inside pressure condition of overhead tank 1 to in time discover unusual or trouble, guarantee the safe operation of watertight connector withstand voltage testing arrangement.
In some embodiments, a safety valve is further arranged between the pressure gauge 3 and the pressure tank 1, and by setting the safety valve, the pressure gauge 3 can be prevented from exceeding the allowable range, and the pressure gauge 3 is protected from being damaged.
In some embodiments, as shown in fig. 1, the watertight connector pressure-resistant testing device further includes a base 7 for supporting, and the pressure tank 1 is detachably connected with the base 7. The pressure tank 1 is supported by the base 7, so that the pressure tank 1 and the moisture testing component are more convenient to install and observe.
Further, as shown in fig. 5, the base 7 is screwed with the pressure tank 1. The detachable connection mode of the threaded connection enables the disassembly and assembly of the pressure tank 1 to be simpler and more convenient.
In some embodiments, as shown in fig. 5, the base 7 includes a support rod 701 and a support plate 702, the support rod 701 is screwed with the lower end cap 103 of the pressure tank 1 through its external threads, and the support plate 702 is screwed with the internal threads of the support rod 701 through the second fixing member 703. Further, the second fixing member 703 may be a countersunk screw.
The watertight connector pressure-resistant testing device in each embodiment can accurately and intuitively display whether water exists or not, so that a tester can quickly obtain a testing result, test a plurality of watertight connectors simultaneously, be applicable to watertight connectors with different specifications, and improve the accuracy and efficiency of watertight connector pressure-resistant testing.
The following describes a method of using an embodiment of the pressure resistance test device for watertight connector according to the present utility model with reference to fig. 1 to 5:
firstly, installing a moisture test assembly, installing first moisture test paper at the root of a lead 404, and installing a watertight socket 4 in an installation hole 104 at the bottom of a pressure tank 1 to enable the watertight socket 4 to be positioned in the pressure tank 1; a second moisture test paper is installed at one end of the mounting hole 104 far away from the watertight socket 4, so that the second moisture test paper extends into the mounting hole 104. After the watertight connector pressure-resistant testing device is assembled, pressure-resistant performance testing is carried out, a pressurizing pump 2 is used for pressurizing a water pressure testing cavity of the pressure tank 1, pressure maintaining is carried out after the test pressure is reached, and pressure relief is carried out after the pressure maintaining reaches a preset duration; judging the sealing performance of the sealing groove 401 by observing the condition of the second moisture test paper, wiping water on the inner and outer surfaces of the lower end cover 103 of the pressure tank 1, removing the watertight connector, and judging the sealing performance of the watertight socket 4 by observing the condition of the first moisture test paper; it should be noted that if the second moisture test paper changes color, it indicates that the seal of the seal groove 401 fails, if the first moisture test paper changes color, it indicates that the seal between the vulcanized rubber body 402 of the watertight socket and the metal housing 403 of the watertight socket fails, and if both have no color change phenomenon, it indicates that the withstand voltage test of the watertight connector is qualified.
It should be noted that, the test pressure generally corresponds to the product of the water pressure corresponding to the working water depth of the water-tight connector and the safety coefficient, the safety coefficient generally takes 1.1-1.25, the preset time of pressure maintaining can be selected according to the needs, and the preset time of pressure maintaining in a general hydrostatic pressure test is not less than 1 hour.
In addition, it should be noted that, in this embodiment, the performance circulating water pressure test of the watertight connector may also be performed, and the following description will be given for a simple method for using the performance circulating water pressure test of the watertight connector in the embodiment with reference to fig. 1 to 5: the performance circulating water pressure test of the watertight connector comprises a circulating pressure test and a final pressure test, and the final pressure test is carried out after the circulating pressure test is carried out for a plurality of times, and is concretely as follows:
after the watertight connector pressure-resistant testing device is assembled, performing a cyclic pressure-resistant test; the specific steps of the cyclic pressure resistance test are as follows: pressurizing a water pressure testing cavity of the pressure tank 1 through a pressurizing pump 2, maintaining the pressure after the testing pressure is reached, and releasing the pressure after the maintaining pressure reaches a second preset time (generally not less than 1 minute in the process); judging the sealing performance of the sealing groove 401 by observing the condition of the second moisture test paper, and circulating for a plurality of times (generally not less than 25 times), wherein if the second moisture test paper changes color, the sealing failure of the sealing groove 401 is indicated;
if the second moisture test paper does not change color, performing a final pressure-resistant test of the next step; the final pressure resistance test comprises the following specific steps: continuing to pressurize the water pressure test chamber, maintaining the pressure after reaching the test pressure, releasing the pressure after reaching the third preset time (generally not less than 24 hours here), judging the sealing performance of the sealing groove 401 by observing the condition of the second water test paper, wiping the water on the inner and outer surfaces of the lower end cover 103 of the pressure tank 1, removing the watertight connector, judging the sealing performance of the watertight socket 4 by observing the condition of the first water test paper, indicating that the sealing groove 401 is invalid if the second water test paper changes color, indicating that the sealing between the vulcanized rubber body 402 of the watertight socket and the metal shell 403 of the watertight socket is invalid if the first water test paper changes color, and indicating that the watertight connector is qualified in pressure-resistant test if the second water test paper does not change color.
By way of illustration of various embodiments of the watertight connector pressure test device of the present utility model, it can be seen that the watertight connector pressure test device embodiments of the present utility model have at least one or more of the following advantages:
1. according to the watertight connector pressure-resistant testing device, through the arrangement of the moisture testing component, whether water exists or not can be accurately and intuitively displayed, so that a tester can obtain a testing result quickly, and the testing accuracy is improved;
2. the pressure-resistant testing device for the watertight connector provided by the utility model can be suitable for watertight connectors with different specifications through the plurality of mounting holes 104 with different specifications, and simultaneously tests the plurality of watertight connectors, thereby improving the pressure-resistant testing efficiency of the watertight connectors;
3. the pressure-resistant testing device for the watertight connector provided by the utility model realizes quick installation and disassembly of the watertight connector through the pressurizing pump 2, the pressure tank 1, the moisture testing component and the like, and is simple to operate, and the testing result is scientific and reliable.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (10)

1. A watertight connector withstand voltage testing device, characterized by comprising:
the pressurizing assembly comprises a pressure tank, a water pressure testing cavity is formed in the pressure tank, a mounting hole for mounting a watertight socket of the watertight connector is formed in the bottom of the pressure tank, the mounting hole penetrates through the bottom of the pressure tank, the watertight socket is in threaded connection with the mounting hole, the watertight socket and the inner surface of the bottom of the pressure tank are sealed through a sealing groove, and a lead connected with the watertight socket extends to the outside of the pressure tank along the mounting hole;
a moisture testing assembly comprising a first moisture tester and a second moisture tester; the first moisture tester is arranged at the joint of the watertight socket and the lead and is used for testing the sealing performance of the watertight socket; the second moisture tester is arranged at one end of the mounting hole, which is far away from the watertight socket, and is used for testing the sealing performance of the sealing groove.
2. The pressure-resistant testing device of the watertight connector according to claim 1, wherein the watertight socket is provided with a threaded mounting portion, an internal thread matched with the threaded mounting portion is arranged in the mounting hole, the watertight socket is in threaded connection with the mounting hole through the threaded mounting portion, and the length of the threaded mounting portion is smaller than the depth of the mounting hole.
3. The watertight connector pressure-resistant testing device according to claim 1, wherein the first moisture tester comprises a first moisture test paper attached to a root portion of the wire connected with the watertight socket for testing sealing performance of the watertight socket itself.
4. The pressure-resistant testing device of a watertight connector according to claim 1, wherein the second moisture tester comprises a second moisture test paper attached to the bottom of the mounting hole and extending into the inside of the mounting hole for testing the sealing performance of the sealing groove.
5. The pressure-resistant testing device of the watertight connector according to claim 1, wherein the pressure tank comprises a cylinder body, an upper end cover and a lower end cover are respectively connected to the upper end and the lower end of the cylinder body in a sealing mode, and a plurality of mounting holes are formed in the lower end cover.
6. The pressure-resistant testing device of a watertight connector according to claim 1 or 5, wherein the mounting holes have different specifications to be suitable for watertight sockets of different specifications.
7. The watertight connector pressure test device according to claim 1, wherein the pressurizing assembly further comprises a pressurizing pump, the pressurizing pump being in communication with the water pressure test chamber.
8. The pressure resistance testing device of watertight connector according to claim 1, wherein the pressurizing assembly further comprises a pressure gauge for measuring the pressure value inside the pressure tank, the pressure gauge being provided at the top of the pressure tank.
9. The pressure resistance test device for watertight connector according to claim 1, further comprising a base for supporting, the pressure tank being detachably connected to the base.
10. The pressure resistance test device of the watertight connector according to claim 9, wherein the base is screw-coupled with the pressure tank.
CN202321973268.4U 2023-07-25 2023-07-25 Pressure-resistant testing device for watertight connector Active CN220552716U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321973268.4U CN220552716U (en) 2023-07-25 2023-07-25 Pressure-resistant testing device for watertight connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321973268.4U CN220552716U (en) 2023-07-25 2023-07-25 Pressure-resistant testing device for watertight connector

Publications (1)

Publication Number Publication Date
CN220552716U true CN220552716U (en) 2024-03-01

Family

ID=90008312

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321973268.4U Active CN220552716U (en) 2023-07-25 2023-07-25 Pressure-resistant testing device for watertight connector

Country Status (1)

Country Link
CN (1) CN220552716U (en)

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