CN208922972U - A kind of new vacuum-tube - Google Patents
A kind of new vacuum-tube Download PDFInfo
- Publication number
- CN208922972U CN208922972U CN201821662807.1U CN201821662807U CN208922972U CN 208922972 U CN208922972 U CN 208922972U CN 201821662807 U CN201821662807 U CN 201821662807U CN 208922972 U CN208922972 U CN 208922972U
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- CN
- China
- Prior art keywords
- conductive rod
- bellows
- fixedly connected
- end cover
- cover board
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Abstract
The utility model discloses a kind of new vacuum-tubes, including porcelain cylinder, the bottom inside wall of the porcelain cylinder is fixedly connected with moved end cover board, moving conductive rod is slidably connected on the moved end cover board, the top of the moved end cover board is equipped with sliding mouth corresponding with moving conductive rod, and the lateral wall of the moving conductive rod is fixedly connected with supporting mechanism.In the utility model, pass through the mating reaction of the first ball, spacing collar, the second ball, bellows, moving conductive rod and moved end cover board, the top for having reached bellows is connect by multiple first balls with spacing collar, the bottom of bellows is connect by multiple second balls with moved end cover board, the effect that moving conductive rod rotation drives bellows to rotate simultaneously, realizing prevents moving conductive rod from rotating the function of causing bellows torque excessive；By the mating reaction of porcelain cylinder and silastic-layer, achieve the effect that silastic-layer is wrapped in the outer surface of porcelain cylinder, realizing prevents the external insulation layer of vacuum extinction pipe to be easy the function of being punctured by high-voltage electricity.
Description
Technical field
The utility model relates to technology in vacuum tube field more particularly to a kind of new vacuum-tubes.
Background technique
Vacuum tube also known as vacuum switch tube are the core components of mesohigh power switch, and main function is to answer extensively
For in some electric system such as metallurgy, mine, petroleum, chemical industry, railway, broadcast, communication, industrial high-frequency heating, using in pipe
The excellent insulating properties of vacuum makes after mesohigh circuitry cuts power supply blow-out and to inhibit electric current rapidly, avoids accident and unexpected hair
It is raw.
Vacuum tube can be installed on anode by present vacuum tube during use, be caused due to turning moving conductive rod
Bellows torque is excessive, and the service life of vacuum tube is caused to reduce either air leakage failure.
Utility model content
Purpose of the utility model is to solve existing in the prior art the excessive problem of bellows torque, and propose
A kind of new vacuum-tube.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of new vacuum-tube, including porcelain cylinder, the bottom inside wall of the porcelain cylinder is fixedly connected with moved end cover board, described dynamic
Moving conductive rod is slidably connected on end casing, the top of the moved end cover board is equipped with sliding mouth corresponding with moving conductive rod, described
The lateral wall of moving conductive rod is fixedly connected with supporting mechanism, and the top of the moving conductive rod is connected with quiet conduction by contact mechanism
Bar, the inside top wall of the porcelain cylinder are fixedly connected with quiet conducting block, the top of the static conductive rod through quiet conducting block and to
Outer extension, the static conductive rod are fixedly connected with quiet conducting block.
Preferably, the supporting mechanism includes the spacing collar for being fixedly attached to moving conductive rod lateral wall, the moving conductive rod
Lateral wall rotation be socketed with bellows, the top of the bellows is connect by multiple first balls with spacing collar, the limit
It is equipped with first annular slot corresponding with the first ball at the top of the bottom of position circle and bellows, the bottom of the bellows passes through
Multiple second balls are connect with moved end cover board, are equipped at the top of the bottom of the bellows and moved end cover board and the second ball pair
The second annular groove answered.
Preferably, the contact mechanism includes the dynamic race cambered surface being fixedly connected at the top of moving conductive rod, the dynamic race cambered surface
Top be fixedly connected with moving contact, the bottom of the static conductive rod is fixedly connected with quiet race cambered surface, the quiet bottom for running cambered surface
Portion is fixedly connected with static contact, and the moving contact and static contact offset.
Preferably, the lateral wall fixing sleeve of the static conductive rod is connected to shielding cylinder, and the bellows and spacing collar are located at screen
It covers in cylinder.
Preferably, the lateral wall of the porcelain cylinder is fixedly connected with silastic-layer.
Preferably, the material of the moving contact and static contact is copper cobalt tantalum.
The technical solution that the embodiments of the present invention provide can include the following benefits:
1, it by the mating reaction of the first ball, spacing collar, the second ball, bellows, moving conductive rod and moved end cover board, reaches
The top for having arrived bellows is connect by multiple first balls with spacing collar, and the bottom of bellows by multiple second balls and is moved
End casing connection, the effect that moving conductive rod rotation drives bellows to rotate simultaneously, realizing prevents moving conductive rod rotation from leading to wave
The excessive function of line pipe torque；
2, by the mating reaction of porcelain cylinder and silastic-layer, the effect that silastic-layer is wrapped in the outer surface of porcelain cylinder has been reached
Fruit, realizing prevents the external insulation layer of vacuum extinction pipe to be easy the function of being punctured by high-voltage electricity.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of new vacuum-tube structural schematic diagram；
Fig. 2 be the utility model proposes a kind of new vacuum-tube schematic diagram of internal structure.
In figure: 1 porcelain cylinder, 2 quiet race cambered surfaces, 3 it is dynamic run cambered surfaces, 4 silastic-layers, 5 moved end cover boards, 6 moving conductive rods, 7 bellowss,
8 first balls, 9 spacing collars, 10 moving contacts, 11 static contacts, 12 static conductive rods, 13 quiet conducting blocks, 14 shielding cylinders, 15 second rollings
Pearl.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, the bottom inside wall of a kind of new vacuum-tube, including porcelain cylinder 1, porcelain cylinder 1 is fixedly connected with moved end lid
Plate 5, moving conductive rod 6 is slidably connected on moved end cover board 5, and the top of moved end cover board 5 is equipped with sliding corresponding with moving conductive rod 6
Mouthful, the lateral wall of moving conductive rod 6 is fixedly connected with supporting mechanism, and supporting mechanism includes being fixedly attached to 6 lateral wall of moving conductive rod
Spacing collar 9, the lateral wall rotation of moving conductive rod 6 is socketed with bellows 7, the top of bellows 7 by multiple first balls 8 with
Spacing collar 9 connects, and the bottom of spacing collar 9 and the top of bellows 7 are equipped with first annular slot corresponding with the first ball 8, wave
The bottom of line pipe 7 is connect by multiple second balls 15 with moved end cover board 5, and the bottom of bellows 7 and the top of moved end cover board 5 are equal
It can rotate moving conductive rod 6 when due to installation vacuum extinction pipe equipped with second annular groove corresponding with the second ball 15, but turn
Dynamic moving conductive rod 6 will drive the rotation of bellows 7, and the torque that will lead to bellows 7 is excessive, shorten the service life of vacuum extinction pipe
Shorten or directly result in vacuum extinction pipe and scrap, the lateral wall of moving conductive rod 6 has been fixedly attached spacing collar 9, and spacing collar 9 passes through
Multiple first balls 8 are connect with the top of bellows 7, and the bottom of bellows 7 is connected by multiple second balls 15 with moved end cover board 5
It connects, can achieve the rotation of moving conductive rod 6, drive multiple first balls 8 and multiple second balls 15 to rotate simultaneously, realize ripple
The effect that pipe 7 and moving conductive rod 6 rotate when leading to.
Wherein the top of moving conductive rod 6 is connected with static conductive rod 12 by contact mechanism, and the inside top wall of porcelain cylinder 1 is fixed
It is connected with quiet conducting block 13, the top of static conductive rod 12 through quiet conducting block 13 and extends outwardly, static conductive rod 12 and quiet conduction
Block 13 is fixedly connected, and contact mechanism includes the dynamic race cambered surface 3 for being fixedly connected on 6 top of moving conductive rod, and the top for moving race cambered surface 3 is solid
Surely it is connected with moving contact 10, the bottom of static conductive rod 12 is fixedly connected with quiet race cambered surface 2, and the quiet bottom for running cambered surface 2 is fixedly connected
There is static contact 11, moving contact 10 and static contact 11 offset, and the lateral wall fixing sleeve of static conductive rod 12 is connected to shielding cylinder 14, bellows
7 and spacing collar 9 be located in shielding cylinder 14, the material of moving contact 10 and static contact 11 is copper cobalt tantalum, when operating current is close to zero
When, the increase of contact spacing is belonged to, the plasma of vacuum arc is spread around quickly, after arc current zero passage, moving contact
Gap dielectric has rapidly electric conductor to become insulator between 10 and static contact 11, and then electric current is broken, and the beginning terminates, and just produces feelings
Under condition, static contact 11 and moving contact 10 offset, and copper cobalt tantalum contact material has the ability of stronger offer metal vapors, very
Empty arc voltage is low, and electric arc arcing energy is few, and the invigoration effect of copper and cobalt element ensure that the intensity and hardness of material, makes copper cobalt
Tantalum material contact can satisfy arc ablation resistance in electric current breaking course and in terms of requirement.
Wherein, the lateral wall of porcelain cylinder 1 is fixedly connected with silastic-layer 4, present vacuum extinction pipe during use,
The external insulation layer that will appear vacuum extinction pipe is easy the case where being punctured by high-voltage electricity, wraps up one layer in the lateral wall of porcelain cylinder 1
Silastic-layer 4 can keep away the generation of such case.
In the utility model, when needing for vacuum extinction pipe to be mounted in complete machine, since conducting rod 6 can be able to rotate, it is
Bellows 7 is prevented because torque caused by the rotation of moving conductive rod 6 is excessive, spacing collar 9 by multiple first ball 8 with
The top of bellows 7 connects, and the bottom of bellows 7 is connect by multiple second balls 15 with moved end cover board 5, can achieve dynamic lead
Electric pole 6 rotates, and drives multiple first balls 8 and multiple second balls 15 to rotate simultaneously, realizes bellows 7 and moving conductive rod 6
The effect rotated when logical belongs to the increase of contact spacing when operating current is close to zero, the plasma of vacuum arc quickly to
Surrounding is spread, and after arc current zero passage, gap dielectric has electric conductor to become insulator rapidly between moving contact 10 and static contact 11,
Then electric current is broken, and the beginning terminates, and in the case of positive production, static contact 11 and moving contact 10 offset, the lateral wall packet of porcelain cylinder 1
One layer of silastic-layer 4 is wrapped up in, is that the external insulation layer of vacuum extinction pipe in order to prevent is easy the function of being punctured by high-voltage electricity, wraps up one layer
Silastic-layer 4 is the prior art, does not do excessive narration herein.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of new vacuum-tube, including porcelain cylinder (1), which is characterized in that the bottom inside wall of the porcelain cylinder (1) is fixedly connected with
Moved end cover board (5) slidably connects moving conductive rod (6) on the moved end cover board (5), and the top of the moved end cover board (5) is equipped with
Sliding mouth corresponding with moving conductive rod (6), the lateral wall of the moving conductive rod (6) are fixedly connected with supporting mechanism, and described move is led
The top of electric pole (6) is connected with static conductive rod (12) by contact mechanism, and the inside top wall of the porcelain cylinder (1) is fixedly connected with
The top of quiet conducting block (13), the static conductive rod (12) through quiet conducting block (13) and extends outwardly, the static conductive rod
(12) it is fixedly connected with quiet conducting block (13).
2. a kind of new vacuum-tube according to claim 1, which is characterized in that the supporting mechanism includes being fixedly attached to
The lateral wall rotation of the spacing collar (9) of moving conductive rod (6) lateral wall, the moving conductive rod (6) is socketed with bellows (7), described
The top of bellows (7) is connect by multiple first balls (8) with spacing collar (9), the bottom of the spacing collar (9) and bellows
(7) first annular slot corresponding with the first ball (8) is equipped at the top of, the bottom of the bellows (7) passes through multiple second
Ball (15) is connect with moved end cover board (5), is equipped at the top of the bottom of the bellows (7) and moved end cover board (5) and second
Corresponding second annular groove of ball (15).
3. a kind of new vacuum-tube according to claim 1, which is characterized in that the contact mechanism includes being fixedly connected on
Dynamic race cambered surface (3) at the top of moving conductive rod (6) is fixedly connected with moving contact (10) at the top of the dynamic race cambered surface (3), described quiet
The bottom of conducting rod (12) is fixedly connected with quiet race cambered surface (2), and the quiet bottom for running cambered surface (2) is fixedly connected with static contact
(11), the moving contact (10) and static contact (11) offset.
4. a kind of new vacuum-tube according to claim 1, which is characterized in that the lateral wall of the static conductive rod (12) is solid
Surely it is socketed with shielding cylinder (14), bellows (7) and spacing collar (9) are located in shielding cylinder (14).
5. a kind of new vacuum-tube according to claim 1, which is characterized in that the lateral wall of the porcelain cylinder (1) is fixed to be connected
It is connected to silastic-layer (4).
6. a kind of new vacuum-tube according to claim 3, which is characterized in that the moving contact (10) and static contact (11)
Material be copper cobalt tantalum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662807.1U CN208922972U (en) | 2018-10-15 | 2018-10-15 | A kind of new vacuum-tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662807.1U CN208922972U (en) | 2018-10-15 | 2018-10-15 | A kind of new vacuum-tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208922972U true CN208922972U (en) | 2019-05-31 |
Family
ID=66709262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821662807.1U Expired - Fee Related CN208922972U (en) | 2018-10-15 | 2018-10-15 | A kind of new vacuum-tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208922972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630608A (en) * | 2020-12-01 | 2021-04-09 | 平高集团有限公司 | Circuit breaker arc extinguish chamber model for alternating current-direct current withstand voltage test |
| CN113593971A (en) * | 2021-08-02 | 2021-11-02 | 西安交通大学 | Integrated structure vacuum arc-extinguishing chamber and vacuum switch using same |
-
2018
- 2018-10-15 CN CN201821662807.1U patent/CN208922972U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630608A (en) * | 2020-12-01 | 2021-04-09 | 平高集团有限公司 | Circuit breaker arc extinguish chamber model for alternating current-direct current withstand voltage test |
| CN112630608B (en) * | 2020-12-01 | 2024-03-26 | 平高集团有限公司 | Breaker arc-extinguishing chamber model for AC/DC withstand voltage test |
| CN113593971A (en) * | 2021-08-02 | 2021-11-02 | 西安交通大学 | Integrated structure vacuum arc-extinguishing chamber and vacuum switch using same |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |