CN201281645Y - Device for detecting gastight of underwater airtight cabin - Google Patents

Device for detecting gastight of underwater airtight cabin Download PDF

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Publication number
CN201281645Y
CN201281645Y CNU2008201400660U CN200820140066U CN201281645Y CN 201281645 Y CN201281645 Y CN 201281645Y CN U2008201400660 U CNU2008201400660 U CN U2008201400660U CN 200820140066 U CN200820140066 U CN 200820140066U CN 201281645 Y CN201281645 Y CN 201281645Y
Authority
CN
China
Prior art keywords
airtight
cabin body
valve seat
rapid
testing fixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201400660U
Other languages
Chinese (zh)
Inventor
程海陵
陈海珍
王国维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
No705 Research Institute Of China Shipbuilding Industry Corp Kunming Branch
Original Assignee
No705 Research Institute Of China Shipbuilding Industry Corp Kunming Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by No705 Research Institute Of China Shipbuilding Industry Corp Kunming Branch filed Critical No705 Research Institute Of China Shipbuilding Industry Corp Kunming Branch
Priority to CNU2008201400660U priority Critical patent/CN201281645Y/en
Application granted granted Critical
Publication of CN201281645Y publication Critical patent/CN201281645Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an air tightness testing device for underwater sealed cabins. The testing device comprises a casing (8), an air-tight valve seat (7), a seal cover (1), a one-way valve is provided between the air-tight valve seat (7) and the seal cover (1), a fast joint (6) is positioned at an air inlet part of the one-way valve for connecting with a foreign high pressure hose which connects with an air source, therefore, testing of air tightness can be more simple and fast and occupied operating space is small, and the utility model is especially suitable for occasions of high integrity, small space, big test objects and a large amount of test objects.

Description

The airtight testing fixture of a kind of underwater sealing cabin body
Technical field
The utility model relates to airtight testing fixture, particularly relates to the airtight testing fixture of a kind of underwater sealing cabin body.
Background technology
Whether the sealing of underwater sealing cabin body is directly connected to the safety of personnel and product.The common way of present airtight inspection is, take off gland bonnet after, will be with manometric retaining valve, as five-way valve, directly be screwed on the housing of pressurized capsule body and inflate, after the cabin internal gas pressure reaches requirement, close and directly housing is put into water tank behind the gas admittance valve it is carried out airtight inspection.The maximum drawback of this measure is, if will cause sealing omission to gland bonnet with valve, will cause a large amount of gas leaks and take off valve, is difficult to guarantee the pressure index requirement of leakage check.
In order to take into account the airtight inspection of gland bonnet, improved way is to increase a permanent retaining valve below gland bonnet, during inflation, gland bonnet is taken off, retaining valve links to each other with outer source of the gas by a five-way valve, after the charge pressure hit the target, retaining valve and five-way valve is disconnected, again gland bonnet is loaded onto, owing to used retaining valve, when taking off five-way valve, can not produce gas leak, can check the impermeability of gland bonnet and housing simultaneously.
Yet in actual use, many pressurized capsule bodies all is to be loaded in the water in the vehicle.Many because of carrying equipment in the vehicle, function is complicated, integrated level is high, the operating space is narrow and small, it is many to be examined the pressurized capsule body, and physical dimension is big, and the leakage check of most cabins body is just to carry out when debug time water in that vehicle is whole, can't pull down any cabin body this moment at all, mean and must carry out leakage check work in limited space in vehicle.Because the restriction in space, at this moment, by the five-way valve inflation that links to each other with outer source of the gas, fitting operation is all very difficult, even can't carry out with each cabin body.In addition, the spool of the retaining valve of usefulness is a metal material at present, material and processing cost height, and under the not high condition of pressurized capsule internal pressure, the shortcoming that exists leakproofness to reduce.
Summary of the invention
The utility model provides a kind of little space sealing inspection that is suitable at above-mentioned defective, and is as the device of the airtight inspection of closed cabin body, simple, convenient, quick.
The airtight testing fixture of underwater sealing cabin body that the utility model proposes, the airtight valve seat, the gland bonnet that comprise housing, fixedly connected with housing, between airtight valve seat and gland bonnet, be provided with a retaining valve, this retaining valve comprises swivel nut, nut and spool, be installed on the airtight valve seat by sealing gasket, gland bonnet is installed on the retaining valve, form a sealed whole with housing, a rapid-acting coupling is equipped with at the air intake place on the described retaining valve, rapid-acting coupling can be threaded line pipe, in its end elastic chuck is housed.During inflation, rapid-acting coupling is connected with a high-pressure hose, and the other end of high-pressure hose is connected to source of the gas by five-way valve, tensimeter.The installation of high-pressure hose does not need tool using, only needs manual can finishing, and is inserted into rapid-acting coupling during installation, pulls down the elastic chuck pull-up simultaneously flexible pipe that Shi Zexu presses the rapid-acting coupling end earlier and gets final product.The spool of the airtight testing fixture retaining valve of described underwater sealing cabin body adopts non-metallic elastic material, as rubber or plastics.
The utility model only need carry out simple high pressure flexible pipe plug operation under the limited service condition in space, simplified the course of work, has improved work efficiency, and it is low that the non-metallic elastic material spool is processed simple cost, and low pressure seal is good.Can change the length of high-pressure hose according to actual conditions, make the airtight inspection of the pressurized capsule body that is not easy to pull down become a reality, the results showed the purpose and the request for utilization that can reach invention.
Description of drawings
Fig. 1 is the structural drawing of the airtight testing fixture of the utility model underwater sealing cabin body
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
The airtight testing fixture of underwater sealing cabin body as shown in Figure 1, comprise housing 8, the airtight valve seat 7 of fixedlying connected, gland bonnet 1 with housing 8, be provided with a retaining valve between airtight valve seat 7 and the gland bonnet 1, this retaining valve comprises swivel nut 3, nut 5 and spool 4, be installed on the airtight valve seat 7 by sealing gasket 2, gland bonnet 1 is installed on the retaining valve, form a sealed whole with housing, a rapid-acting coupling 6 is equipped with at the air intake place on the described retaining valve, can connect with the external high-pressure hose that is connected source of the gas.The flexible dop in rapid-acting coupling 6 ends.Spool 4 is non-metallic elastic materials, and as elastomeric material or plastics, its processing is simple, and cost is low.The order of connection of rapid-acting coupling and source of the gas is during inflation: rapid-acting coupling → high-pressure hose → five-way valve → source of the gas, inflation is finished, and pulls out high-pressure hose and can carry out airtight inspection, as lower header or pressurize.Rapid-acting coupling 6 is pipe thread, need twine unsintered tape when being screwed into; Swivel nut 3 need dip in the senior general double-tube glue stick of CH31 to reach locking effect when packing valve seat 7 into, for convenient dress swivel nut 3, be reserved with the tooling hole identical with rapid-acting coupling at its afterbody; Putting into rubber spool 4 in nut 5 screws with swivel nut 3 and gets final product; Airtight valve seat 7 is looked the cabin body technology and can be cast or be welded on the housing 8, and airtight valve seat 7, swivel nut 3 are the stainless steel bar machine work and form, and the butt-end packing form of plain cushion or ○Xing Mifengquan 9 is adopted in sealing.Owing to adopt rapid-acting coupling, airtight inspection is more simple and efficient, it is little to take the operating space, be particularly useful for integrated level height, space little, examined the occasion that part is big, quantity is many.

Claims (4)

1, the airtight testing fixture of a kind of underwater sealing cabin body, comprise housing (8), airtight valve seat (7) of fixedlying connected and gland bonnet (1) with housing (8), between airtight valve seat (7) and gland bonnet (1), be provided with a retaining valve, this retaining valve comprises swivel nut (3), nut (5) and spool (4), be installed on the airtight valve seat (7) by sealing gasket (2), gland bonnet (1) is installed on the retaining valve, form a sealed whole with housing, it is characterized in that: a rapid-acting coupling (6) is equipped with at the air intake place on the described retaining valve, can connect with the external high-pressure hose that is connected source of the gas.
2, the airtight testing fixture of underwater sealing cabin body according to claim 1 is characterized in that rapid-acting coupling (6) is threaded line pipe, the flexible dop in the end of rapid-acting coupling.
3, the airtight testing fixture of underwater sealing cabin body according to claim 1 and 2 is characterized in that described spool (4) is non-metallic elastic material.
4, the airtight testing fixture of underwater sealing cabin body according to claim 3 is characterized in that described spool (4) is elastomeric material or plastics.
CNU2008201400660U 2008-10-22 2008-10-22 Device for detecting gastight of underwater airtight cabin Expired - Fee Related CN201281645Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201400660U CN201281645Y (en) 2008-10-22 2008-10-22 Device for detecting gastight of underwater airtight cabin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201400660U CN201281645Y (en) 2008-10-22 2008-10-22 Device for detecting gastight of underwater airtight cabin

Publications (1)

Publication Number Publication Date
CN201281645Y true CN201281645Y (en) 2009-07-29

Family

ID=40928519

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201400660U Expired - Fee Related CN201281645Y (en) 2008-10-22 2008-10-22 Device for detecting gastight of underwater airtight cabin

Country Status (1)

Country Link
CN (1) CN201281645Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103808470A (en) * 2012-11-15 2014-05-21 中国科学院沈阳自动化研究所 Underwater sealed cabin leakage detecting device
CN107490458A (en) * 2017-07-31 2017-12-19 河南平高电气股份有限公司 A kind of air valve leak detection assembly and air valve leak hunting method
CN110487484A (en) * 2019-08-09 2019-11-22 长沙金信诺防务技术有限公司 A kind of device and method detecting watertight compartment system watertight state
CN113260180A (en) * 2021-06-30 2021-08-13 深之蓝(天津)水下智能科技有限公司 Underwater sealed cabin and underwater equipment with electronic element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103808470A (en) * 2012-11-15 2014-05-21 中国科学院沈阳自动化研究所 Underwater sealed cabin leakage detecting device
CN107490458A (en) * 2017-07-31 2017-12-19 河南平高电气股份有限公司 A kind of air valve leak detection assembly and air valve leak hunting method
CN110487484A (en) * 2019-08-09 2019-11-22 长沙金信诺防务技术有限公司 A kind of device and method detecting watertight compartment system watertight state
CN113260180A (en) * 2021-06-30 2021-08-13 深之蓝(天津)水下智能科技有限公司 Underwater sealed cabin and underwater equipment with electronic element
CN113260180B (en) * 2021-06-30 2021-10-01 深之蓝(天津)水下智能科技有限公司 Underwater sealed cabin and underwater equipment with electronic element

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Kunming 705 Institute Technology Development General Co., Ltd.

Assignor: Kunming branch of research institute of China Shipbuilding Industry Corporation the 7th 0 five

Contract record no.: 2011530000050

Denomination of utility model: Device for detecting gastight of underwater airtight cabin

Granted publication date: 20090729

License type: Exclusive License

Record date: 20110715

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090729

Termination date: 20131022