CN202840357U - Leak-proof sealing terminal board - Google Patents
Leak-proof sealing terminal board Download PDFInfo
- Publication number
- CN202840357U CN202840357U CN 201220529595 CN201220529595U CN202840357U CN 202840357 U CN202840357 U CN 202840357U CN 201220529595 CN201220529595 CN 201220529595 CN 201220529595 U CN201220529595 U CN 201220529595U CN 202840357 U CN202840357 U CN 202840357U
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- terminal board
- housing
- plug
- jack
- leak
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Abstract
The utility model discloses a leak-proof sealing terminal board and belongs to electric power sealing equipment. The leak-proof sealing terminal board comprises the terminal board and a plurality of plugs which are installed on the terminal board from the positive side and the reverse side. The terminal board comprises a stainless steel outer shell, a plurality of glass insulators, thrusting needles and protrusions, wherein the plurality of glass insulators are arranged inside the stainless steel outer shell, the thrusting needles are in one-to-one correspondence with the glass insulators, and the protrusions are used for connecting the terminal board and the plugs. The stainless steel outer shell is fixedly connected with the glass insulators through a sintering process, and the glass insulators are also fixedly connected with the corresponding thrusting needles through the sintering process. The leak-proof sealing terminal board has the advantages of being good in air impermeability, capable of reaching 5*10-8 megapascals. cubic meters/second, simple in structure, easy to produce, novel in structure, convenient to use, applicable to electric power high-voltage switch equipment and sealed container class electric power equipment and capable of adapting to various bad environment and effectively solving the problem of insulating gas leakage.
Description
Technical field
The utility model relates to a kind of electric power water-tight equipment, specifically, relates to a kind of leak-tight seal terminal board.
Background technology
Along with society, economic development, the increasing of engineering construction complexity, the miniaturization of user's switching devices, non-maintaining, intelligentized requirement are more and more higher.Under this background, cabinet type Cubicle Gas-Insulated Switchgear more and more is caused extensive concern.
Cabinet type Cubicle Gas-Insulated Switchgear is to adopt hypobaric SF6 gas, N2 gas or mist as dielectric; be arc-extinguishing medium with vacuum or SF6; the medium pressure elements such as bus, circuit breaker, isolating switch are concentrated be enclosed in the casing; the modern insulation technology of integrated use, cut-off the new high-tech product that integrates Based Intelligent Control, protection, supervision, measurement, communication that technology, manufacturing technology, sensing technology, digital technology are produced, have that volume is little, lightweight, fail safe is good, reliability is high, can adapt to and the advantage such as use under the severe environmental conditions.
In recent years, gas-insulated switchgear has obtained promptly propagation and employment in China, particularly along with the switching devices such as China's Construction of Intercity Network and transformation, track traffic and large industrial enterprise have proposed the new requirements at the higher level such as miniaturization, intellectuality, non-maintaining, full operating mode, high-performance, high-quality gas-filling cabinet demand at home are more and more stronger.
All live parts of gas-insulated switchgear and switch all are sealed in the insulation gas filled electric power water-tight equipment, and the outlet of its cable insulating gas easily occurs leaks.In the described insulating gas, some gas is suffocating substance, and also some gas is not only poisonous, and has corrosivity.So, in case leaking of insulating gas occurs, just being easy to cause staff's anoxic, Poisoning choke, even can strong impulse and toxic action being arranged to human body and respiratory system, this has also consisted of the subject matter of electric power water-tight equipment aspect security protection.
Summary of the invention
The purpose of this utility model is to overcome defects, the leak-tight seal terminal board that provides a kind of energy efficient solution to break off relations edge Leakage Gas problem.
For addressing the above problem, the technical scheme that the utility model adopts is:
A kind of leak-tight seal terminal board is characterized in that: comprise that terminal board and several are installed in the plug on the terminal board from positive and negative two sides; Described terminal board comprise stainless steel casing, several be located at glass insulator in the stainless steel casing, with glass insulator contact pin one to one, and the convex body that is used for link daughter board and plug; Be fixedly connected with by sintering process between described stainless steel casing and the glass insulator, described glass insulator also is fixedly connected with by sintering process with corresponding contact pin.
A kind of improvement as technique scheme:
Described plug is the bayonet connection type plug, and described convex body is helicla flute bayonet type convex body, is provided with the helicla flute bayonet socket;
Described plug comprises housing, be located at jack in the housing, be located at the housing periphery attachment cap, be located at the attachment cap front side the transition cover, be threaded in the locking cap on the transition cover front end outer wall and be located at clamp on the locking cap front end; The inwall at described attachment cap rear portion is provided with rivet; Be filled with the jack working of plastics in the housing inner chamber of described jack periphery; Be provided with the jack cover plate in the inner chamber of described housing front end, the front side of jack cover plate is provided with collar; The front end plug-in mounting of described housing is fixed in the inner chamber of transition cover rear portion, and the position that the front end port of housing and transition cover join is provided with sealing ring; The front end port of described transition cover and the position that locking cap joins are provided with shading ring;
The front end of described convex body is plugged in the space between attachment cap and the housing, and the helicla flute bayonet fittings by rivet and convex body tightens together; The two ends of described contact pin are corresponding being plugged in the jack of the plug on the positive and negative two sides of terminal board respectively.
Another kind as technique scheme improves:
Described plug is screw connected plug, and described convex body is screw connected convex body, and its outer wall is provided with external screw thread;
Described plug comprises housing, be located at jack in the housing, be located at the housing periphery attachment cap, be located at the attachment cap front side the transition cover, be threaded in the locking cap on the transition cover front end outer wall and be located at clamp on the locking cap front end; The inwall at described attachment cap rear portion is provided with internal thread; Be filled with the jack working of plastics in the housing inner chamber of described jack periphery; Be provided with the jack cover plate in the inner chamber of described housing front end, the front side of jack cover plate is provided with collar; The front end plug-in mounting of described housing is fixed in the inner chamber of transition cover rear portion, and the position that the front end port of housing and transition cover join is provided with sealing ring; The front end port of described transition cover and the position that locking cap joins are provided with shading ring;
The front end of described convex body is plugged in the space between attachment cap and the housing, is threaded connection with attachment cap to tighten together; The two ends of described contact pin are corresponding being plugged in the jack of the plug on the positive and negative two sides of terminal board respectively.
Say further:
Evenly be provided with several installing holes on the described terminal board and be used for the fixedly screw of pcb board.
Be provided with seal washer on the face that joins with the power equipment casing on the described terminal board.
Owing to having adopted technique scheme, compared with prior art, the utlity model has following advantage: 1, air-tightness is good, can reach 5 * 10-8MPa.cm3/S; 2, simple in structure, be easy to produce; 3, novel structure, easy to use; 4, be applicable to power high voltage switchgear, airtight container class power equipment, can adapt to various adverse circumstances, but efficient solution broken off relations the problem of edge Leakage Gas.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of leak-tight seal terminal board described in the utility model;
Fig. 2 is the structural representation of terminal board described in the utility model;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation of embodiment 1 described plug of the present utility model;
Fig. 5 is the structural representation of embodiment 2 described plugs of the present utility model.
Embodiment
Embodiment 1:
With reference to Fig. 1-3, the described leak-tight seal terminal board of the present embodiment, comprise that terminal board 1 and several are installed in the plug 2 on the terminal board 1 from positive and negative two sides, evenly be provided with several on the described terminal board 1 and be used for connecting installing holes 13 of power equipment casing and be used for the fixedly screw 15 of pcb board.Be provided with seal washer 3 on the face that joins with the power equipment casing on the described terminal board 1.
Described terminal board comprise stainless steel casing, several be located at glass insulator 12 in the stainless steel casing, with glass insulator 12 contact pin 11 one to one, and the convex body 14 that is used for link daughter board 1 and plug 2.Be fixedly connected with by sintering process between described stainless steel casing and the glass insulator 12, described glass insulator 12 also is fixedly connected with by sintering process with corresponding contact pin 11.
Described plug 2 is the bayonet connection type plug, and described convex body 14 is helicla flute bayonet type convex body, is provided with the helicla flute bayonet socket.
As shown in Figure 4, described plug 2 comprises: housing 29a, be located at jack 28a in the housing 29a, be located at housing 29a periphery attachment cap 25a, be located at attachment cap 25a front side transition cover 211a, be threaded in the locking cap 22a on the transition cover 211a front end outer wall and be located at clamp 21a on the locking cap 22a front end.The inwall at described attachment cap 25a rear portion is provided with rivet 26a.Be filled with jack working of plastics 27a in the housing 29a inner chamber of described jack 28a periphery.Be provided with jack cover plate 24a in the inner chamber of described housing 29a front end, the front side of jack cover plate 24a is provided with collar 210a.The front end plug-in mounting of described housing 29a is fixed in the inner chamber of transition cover 211a rear portion, and the position that the front end port of housing 29a and transition cover 211a join is provided with sealing ring 23a.The position that the front end port of described transition cover 211a and locking cap 22a join is provided with shading ring 212a.
The front end of described convex body 14 is plugged in the space between attachment cap 25a and the housing 29a, and the helicla flute bayonet fittings by rivet 26a and convex body 14 tightens together.The two ends of described contact pin 11 are corresponding being plugged in the jack 28a of the plug 2 on the terminal board 1 positive and negative two sides respectively.
Embodiment 2:
With reference to Fig. 1-3, the described leak-tight seal terminal board of the present embodiment, comprise that terminal board 1 and several are installed in the plug 2 on the terminal board 1 from positive and negative two sides, evenly be provided with several on the described terminal board 1 and be used for connecting installing holes 13 of power equipment casing and be used for the fixedly screw 15 of pcb board.Be provided with seal washer 3 on the face that joins with the power equipment casing on the described terminal board 1.
Described terminal board comprise stainless steel casing, several be located at glass insulator 12 in the stainless steel casing, with glass insulator 12 contact pin 11 one to one, and the convex body 14 that is used for link daughter board 1 and plug 2.Be fixedly connected with by sintering process between described stainless steel casing and the glass insulator 12, described glass insulator 12 also is fixedly connected with by sintering process with corresponding contact pin 11.
Described plug 2 is screw connected plug, and described convex body 14 is screw connected convex body, and its outer wall is provided with external screw thread.
As shown in Figure 5, described plug 2 comprises: housing 29b, be located at jack 28b in the housing 29b, be located at housing 29b periphery attachment cap 25b, be located at attachment cap 25b front side transition cover 211b, be threaded in the locking cap 22b on the transition cover 211b front end outer wall and be located at clamp 21b on the locking cap 22b front end.The inwall at described attachment cap 25b rear portion is provided with internal thread.Be filled with jack working of plastics 27b in the housing 29b inner chamber of described jack 28b periphery.Be provided with jack cover plate 24b in the inner chamber of described housing 29b front end, the front side of jack cover plate 24b is provided with collar 210b.The front end plug-in mounting of described housing 29b is fixed in the inner chamber of transition cover 211b rear portion, and the position that the front end port of housing 29b and transition cover 211b join is provided with sealing ring 23b.The position that the front end port of described transition cover 211b and locking cap 22b join is provided with shading ring 212b.
The front end of described convex body 14 is plugged in the space between attachment cap 25b and the housing 29b, is threaded connection with attachment cap 25b to tighten together.The two ends of described contact pin 11 are corresponding being plugged in the jack 28b of the plug 2 on the terminal board 1 positive and negative two sides respectively.
Claims (5)
1. leak-tight seal terminal board is characterized in that: comprise that terminal board (1) and several are installed in the plug (2) on the terminal board (1) from positive and negative two sides; Described terminal board comprise stainless steel casing, several be located at glass insulator (12) in the stainless steel casing, with glass insulator (12) contact pin (11) one to one, and the convex body (14) that is used for link daughter board (1) and plug (2); Be fixedly connected with by sintering process between described stainless steel casing and the glass insulator (12), described glass insulator (12) also is fixedly connected with by sintering process with corresponding contact pin (11).
2. leak-tight seal terminal board according to claim 1, it is characterized in that: described plug (2) is the bayonet connection type plug, and described convex body (14) is helicla flute bayonet type convex body, is provided with the helicla flute bayonet socket;
Described plug (2) comprises housing (29a), be located at jack (28a) in the housing (29a), be located at the peripheral attachment cap (25a) of housing (29a), be located at attachment cap (25a) front side transition cover (211a), be threaded in the locking cap (22a) on transition cover (211a) the front end outer wall and be located at clamp (21a) on locking cap (22a) front end; The inwall at described attachment cap (25a) rear portion is provided with rivet (26a); Be filled with jack working of plastics (27a) in housing (29a) inner chamber of described jack (28a) periphery; Be provided with jack cover plate (24a) in the inner chamber of described housing (29a) front end, the front side of jack cover plate (24a) is provided with collar (210a); The front end plug-in mounting of described housing (29a) is fixed in the inner chamber of transition cover (211a) rear portion, and the position that the front end port of housing (29a) and transition cover (211a) join is provided with sealing ring (23a); The position that the front end port of described transition cover (211a) and locking cap (22a) join is provided with shading ring (212a);
The front end of described convex body (14) is plugged in the space between attachment cap (25a) and the housing (29a), tightens together by the helicla flute bayonet fittings of rivet (26a) with convex body (14); The two ends of described contact pin (11) respectively correspondence are plugged in the jack (28a) of the plug (2) on the positive and negative two sides of terminal board (1).
3. leak-tight seal terminal board according to claim 1, it is characterized in that: described plug (2) is screw connected plug, and described convex body (14) is screw connected convex body, and its outer wall is provided with external screw thread;
Described plug (2) comprises housing (29b), be located at jack (28b) in the housing (29b), be located at the peripheral attachment cap (25b) of housing (29b), be located at attachment cap (25b) front side transition cover (211b), be threaded in the locking cap (22b) on transition cover (211b) the front end outer wall and be located at clamp (21b) on locking cap (22b) front end; The inwall at described attachment cap (25b) rear portion is provided with internal thread; Be filled with jack working of plastics (27b) in housing (29b) inner chamber of described jack (28b) periphery; Be provided with jack cover plate (24b) in the inner chamber of described housing (29b) front end, the front side of jack cover plate (24b) is provided with collar (210b); The front end plug-in mounting of described housing (29b) is fixed in the inner chamber of transition cover (211b) rear portion, and the position that the front end port of housing (29b) and transition cover (211b) join is provided with sealing ring (23b); The position that the front end port of described transition cover (211b) and locking cap (22b) join is provided with shading ring (212b);
The front end of described convex body (14) is plugged in the space between attachment cap (25b) and the housing (29b), is threaded connection with attachment cap (25b) to tighten together; The two ends of described contact pin (11) respectively correspondence are plugged in the jack (28b) of the plug (2) on the positive and negative two sides of terminal board (1).
4. it is characterized in that according to claim 2 or 3 described leak-tight seal terminal boards: evenly be provided with several installing holes (13) on the described terminal board (1) and be used for the fixedly screw of pcb board (15).
5. leak-tight seal terminal board according to claim 4 is characterized in that: described terminal board (1)
Be provided with seal washer (3) on the face that upper and power equipment casing joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529595 CN202840357U (en) | 2012-10-08 | 2012-10-08 | Leak-proof sealing terminal board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529595 CN202840357U (en) | 2012-10-08 | 2012-10-08 | Leak-proof sealing terminal board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840357U true CN202840357U (en) | 2013-03-27 |
Family
ID=47951975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220529595 Expired - Lifetime CN202840357U (en) | 2012-10-08 | 2012-10-08 | Leak-proof sealing terminal board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551870A (en) * | 2020-12-08 | 2021-03-26 | 贵州华烽电器有限公司 | Sintering method of glass body in stainless steel shell |
-
2012
- 2012-10-08 CN CN 201220529595 patent/CN202840357U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551870A (en) * | 2020-12-08 | 2021-03-26 | 贵州华烽电器有限公司 | Sintering method of glass body in stainless steel shell |
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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: Linyi Longli Electronic Co.,Ltd. Assignor: Gao Wenbin Contract record no.: 2013370000227 Denomination of utility model: Leak-proof sealing terminal board Granted publication date: 20130327 License type: Exclusive License Record date: 20131030 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Linyi Longli Electronic Co.,Ltd. Assignor: Gao Wenbin Contract record no.: 2013370000227 Date of cancellation: 20150916 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANDONG LONGLI ELECTRONICS CO.,LTD. Assignor: Gao Wenbin Contract record no.: 2015370000171 Denomination of utility model: Leak-proof sealing terminal board Granted publication date: 20130327 License type: Exclusive License Record date: 20150922 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: SHANDONG LONGLI ELECTRONICS Co.,Ltd. Assignor: Gao Wenbin Contract record no.: 2015370000171 Date of cancellation: 20210812 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |