CN204349063U - A kind of nuclear power case water joint - Google Patents
A kind of nuclear power case water joint Download PDFInfo
- Publication number
- CN204349063U CN204349063U CN201420848510.XU CN201420848510U CN204349063U CN 204349063 U CN204349063 U CN 204349063U CN 201420848510 U CN201420848510 U CN 201420848510U CN 204349063 U CN204349063 U CN 204349063U
- Authority
- CN
- China
- Prior art keywords
- case
- outer locking
- locking end
- ring
- joint
- 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
Links
Abstract
The utility model relates to a kind of nuclear power case water joint, comprise Wire joint, locking member and joint filling, described Wire joint comprises the case internal fixtion end of hollow cylindrical structure and the case outer locking end of hollow cylindrical structure, the outer surface of described case internal fixtion end is provided with external screw thread, the inner surface of case outer locking end is provided with internal thread, the outer surface of case outer locking end is provided with external screw thread, the external diameter of case internal fixtion end is less than the external diameter of case outer locking end, described case outer locking end is provided with circle first sealing ring, this joint waterproofing is effective, the degree of protection of nuclear power case can be improved, improve the useful life of components and parts and the fail safe of nuclear power case in nuclear power case.
Description
Technical field
The utility model relates to a kind of joint, and particularly a kind of nuclear power case water joint, belongs to the casing technical field of nuclear power distribution box.
Background technology
Nuclear power case needs to use joint in use, and version meeting rain or aerosol when reality uses of existing joint enter in case by joint, affect the useful life of components and parts in case and may cause components and parts short circuit in case, nuclear power station is caused damage.
Utility model content
Technical problem to be solved in the utility model provides a kind of nuclear power case water joint for above drawback, and good water-proof effect, can improve the degree of protection of nuclear power case, improves the useful life of components and parts and the fail safe of nuclear power case in nuclear power case.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of nuclear power case water joint, comprise Wire joint, locking member and joint filling, described Wire joint comprises the case internal fixtion end of hollow cylindrical structure and the case outer locking end of hollow cylindrical structure, the outer surface of described case internal fixtion end is provided with external screw thread, the inner surface of case outer locking end is provided with internal thread, the outer surface of case outer locking end is provided with external screw thread, and the external diameter of case internal fixtion end is less than the external diameter of case outer locking end, and described case outer locking end is provided with circle first sealing ring;
Described locking member comprises seal tube, packing ring, hose lock-nut and transition terminal, described seal tube and case outer locking end interference fit, the height of seal tube is less than the degree of depth of case outer locking end, described hose lock-nut comprises transition terminal stiff end and flexible pipe stiff end, the external diameter of flexible pipe stiff end is less than the external diameter of transition terminal stiff end, external screw thread is provided with outside flexible pipe stiff end, described transition terminal comprises inner ring and outer ring, be connected by transition annulus between inner ring and outer ring, described inner ring, outer ring and transition annulus are integral type structure, the height of described inner ring is greater than the height of outer ring, inner ring is provided with circle second sealing ring, the cross sectional shape of described second sealing ring is isosceles trapezoid, described seal tube is cooperatively interacted by the external screw thread of the flexible pipe stiff end of hose lock-nut and the internal thread of case outer locking end and is fixed in case outer locking end, packing ring is arranged between seal tube and hose lock-nut, described transition terminal matched in clearance be arranged in the transition terminal stiff end of hose lock-nut, described joint filling is provided with internal thread, the internal thread of joint filling and the external screw thread of Wire joint case outer locking end cooperatively interact, be locked integral with locking member.
The beneficial effects of the utility model are:
1. when the utility model uses; the case internal fixtion end of Wire joint is fixed on nuclear power case; nuclear power box door plate closing back door plate and casing can be made to fit tightr; thus provide the degree of protection of nuclear power case; improve the fail safe of nuclear power case; while not only electric wire being locked by porous annex but also can the metal of protection electric wire or plastic flexible pipe locking; form the ability of the outside water proof and dust proof to flexible pipe and joint; even if inner flexible pipe water inlet; owing to also having carried out sealing protection to electric wire, water or dirt cannot enter in case.
2. the utility model carries out triple seal by the first sealing ring, the second sealing ring and seal tube, considerably increases the waterproof sealing performance of joint, substantially increases degree of protection.
3. the special setting of locking member, the fastness of locking increases, and fail safe increases, and meanwhile, damage as run into easily worn part, it is convenient to change, and only needs to change parts, reduces working service cost.
4. the cross sectional shape of the second sealing ring is isosceles trapezoid, increases with the contact area of transition terminal, reduces, adds sealing, reduce the pressure to transition terminal, improve useful life with the contact-making surface of joint filling.
Accompanying drawing explanation
Fig. 1 is the utility model cutaway view.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
A kind of nuclear power case water joint as shown in the figure, comprise Wire joint 1, locking member 2 and joint filling 3, described Wire joint 1 comprises the case internal fixtion end 4 of hollow cylindrical structure and the case outer locking end 5 of hollow cylindrical structure, the outer surface of described case internal fixtion end 4 is provided with external screw thread 41, the inner surface of case outer locking end 5 is provided with internal thread 51, the outer surface of case outer locking end 5 is provided with external screw thread 52, the radius r 1 of case internal fixtion end 4 is less than the radius r 2 of case outer locking end 5, and described case outer locking end 5 is provided with circle first sealing ring 6;
Described locking member 2 comprises seal tube 7, packing ring 8, hose lock-nut 9 and transition terminal 10, described seal tube 7 and case outer locking end 5 interference fit, the height h1 of seal tube 7 is less than the degree of depth h2 of case outer locking end 5, described hose lock-nut 9 comprises transition terminal stiff end 11 and flexible pipe stiff end 12, the radius r 3 of flexible pipe stiff end 12 is less than the radius r 4 of transition terminal stiff end 11, external screw thread is provided with outside flexible pipe stiff end 12, described transition terminal 10 comprises inner ring 13 and outer ring 14, be connected by transition annulus 15 between inner ring 13 and outer ring 14, described inner ring 13, outer ring 14 and transition annulus 15 are integral type structure, the height h3 of described inner ring 13 is greater than the height h4 of outer ring 14, inner ring 13 is provided with circle second sealing ring 16, the cross sectional shape of described second sealing ring 16 is isosceles trapezoid, described seal tube 7 is cooperatively interacted by the external screw thread of the flexible pipe stiff end 12 of hose lock-nut and the internal thread 51 of case outer locking end 5 and is fixed in case outer locking end 5, packing ring 8 is arranged between seal tube 7 and hose lock-nut 9, described transition terminal 10 matched in clearance be arranged in the transition terminal stiff end 11 of hose lock-nut, described joint filling 3 is provided with internal thread 31, the internal thread of joint filling 3 and the external screw thread 52 of Wire joint case outer locking end 5 cooperatively interact, be locked integral with locking member 2.
When the utility model uses, the case internal fixtion end of Wire joint is fixed on nuclear power case, nuclear power box door plate closing back door plate and casing can be made to fit tightr, thus provide the degree of protection of nuclear power case, improve the fail safe of nuclear power case.
The utility model carries out triple seal by the first sealing ring, the second sealing ring and seal tube, considerably increases the waterproof sealing performance of joint, substantially increases degree of protection.
The special setting of locking member, the fastness of locking increases, and fail safe increases, and meanwhile, damage as run into easily worn part, it is convenient to change, and only needs to change parts, reduces working service cost.
The cross sectional shape of the second sealing ring is isosceles trapezoid, increases with the contact area of transition terminal, reduces, adds sealing, reduce the pressure to transition terminal, improve useful life with the contact-making surface of joint filling.
Here description of the present utility model and application is illustrative; not want by scope restriction of the present utility model in the above-described embodiments; therefore, the utility model is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of the utility model protection.
Claims (1)
1. a nuclear power case water joint, it is characterized by, comprise Wire joint, locking member and joint filling, described Wire joint comprises the case internal fixtion end of hollow cylindrical structure and the case outer locking end of hollow cylindrical structure, the outer surface of described case internal fixtion end is provided with external screw thread, the inner surface of case outer locking end is provided with internal thread, the outer surface of case outer locking end is provided with external screw thread, the external diameter of case internal fixtion end is less than the external diameter of case outer locking end, and described case outer locking end is provided with circle first sealing ring;
Described locking member comprises seal tube, packing ring, hose lock-nut and transition terminal, described seal tube and case outer locking end interference fit, the height of seal tube is less than the degree of depth of case outer locking end, described hose lock-nut comprises transition terminal stiff end and flexible pipe stiff end, the external diameter of flexible pipe stiff end is less than the external diameter of transition terminal stiff end, external screw thread is provided with outside flexible pipe stiff end, described transition terminal comprises inner ring and outer ring, be connected by transition annulus between inner ring and outer ring, described inner ring, outer ring and transition annulus are integral type structure, the height of described inner ring is greater than the height of outer ring, inner ring is provided with circle second sealing ring, the cross sectional shape of described second sealing ring is isosceles trapezoid, described seal tube is cooperatively interacted by the external screw thread of the flexible pipe stiff end of hose lock-nut and the internal thread of case outer locking end and is fixed in case outer locking end, packing ring is arranged between seal tube and hose lock-nut, described transition terminal matched in clearance be arranged in the transition terminal stiff end of hose lock-nut, described joint filling is provided with internal thread, the internal thread of joint filling and the external screw thread of Wire joint case outer locking end cooperatively interact, be locked integral with locking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848510.XU CN204349063U (en) | 2014-12-29 | 2014-12-29 | A kind of nuclear power case water joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848510.XU CN204349063U (en) | 2014-12-29 | 2014-12-29 | A kind of nuclear power case water joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204349063U true CN204349063U (en) | 2015-05-20 |
Family
ID=53232309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848510.XU Expired - Fee Related CN204349063U (en) | 2014-12-29 | 2014-12-29 | A kind of nuclear power case water joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204349063U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518349A (en) * | 2014-12-29 | 2015-04-15 | 江苏有能电气成套有限公司 | Waterproof joint of nuclear power box |
| CN105305150A (en) * | 2015-09-11 | 2016-02-03 | 麦克传感器股份有限公司 | Liquid level seal connector and underwater connection signal transmission and air guide method thereof |
| CN106871944A (en) * | 2015-12-12 | 2017-06-20 | 济南华信自动化工程有限公司 | Certainty of measurement joint case high |
| CN110418536A (en) * | 2019-07-23 | 2019-11-05 | 烟台三新新能源科技有限公司 | A kind of communication equipment safeguard structure that waterproof and dustproof performance is good |
-
2014
- 2014-12-29 CN CN201420848510.XU patent/CN204349063U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518349A (en) * | 2014-12-29 | 2015-04-15 | 江苏有能电气成套有限公司 | Waterproof joint of nuclear power box |
| CN104518349B (en) * | 2014-12-29 | 2017-02-22 | 江苏有能电气成套有限公司 | Waterproof joint of nuclear power box |
| CN105305150A (en) * | 2015-09-11 | 2016-02-03 | 麦克传感器股份有限公司 | Liquid level seal connector and underwater connection signal transmission and air guide method thereof |
| CN105305150B (en) * | 2015-09-11 | 2018-03-13 | 麦克传感器股份有限公司 | Liquid level seals connector and its under water connection transmission signal and the method for air guide |
| CN106871944A (en) * | 2015-12-12 | 2017-06-20 | 济南华信自动化工程有限公司 | Certainty of measurement joint case high |
| CN110418536A (en) * | 2019-07-23 | 2019-11-05 | 烟台三新新能源科技有限公司 | A kind of communication equipment safeguard structure that waterproof and dustproof performance is good |
| CN110418536B (en) * | 2019-07-23 | 2020-10-09 | 烟台三新新能源科技有限公司 | Communication equipment protective structure with good waterproof and dustproof performances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |