CN205752002U - A kind of shielding cylinder and the fixed structure of ceramic cartridge - Google Patents
A kind of shielding cylinder and the fixed structure of ceramic cartridge Download PDFInfo
- Publication number
- CN205752002U CN205752002U CN201620552263.8U CN201620552263U CN205752002U CN 205752002 U CN205752002 U CN 205752002U CN 201620552263 U CN201620552263 U CN 201620552263U CN 205752002 U CN205752002 U CN 205752002U
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- Prior art keywords
- shielding cylinder
- ceramic cartridge
- groove
- stud
- fixed structure
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Abstract
The utility model discloses the fixed structure of a kind of shielding cylinder and ceramic cartridge, relate to electrical equipment, including shielding cylinder and ceramic cartridge, the inwall of ceramic cartridge is provided with step in a circle, interior step is provided with some longitudinal notch consistent with ceramic cartridge direction, interior step bottom is radially additionally provided with some grooves, the outer wall of described shielding cylinder is provided with a circle convex tendon, the bottom surface of convex tendon coordinates with the end face of interior step, it is additionally provided with on the outer wall of shielding cylinder and the stud of described groove fit, groove is identical with the quantity of stud, this utility model utilizes the convex tendon on shielding cylinder and stud just can be firmly positioned in by shielding cylinder on the interior step of ceramic cartridge, avoid vacuum interrupter because of shielding cylinder come off occur fault, greatly improve reliability and stability.
Description
Technical field
This utility model relates to electrical equipment, is specifically related to the fixed structure of a kind of shielding cylinder and ceramic cartridge.
Background technology
In the vacuum switch tube of ceramic structure, shielding cylinder mainly has soldering with ceramic cartridge fixing means and is mechanically fixed
Two kinds, but concrete grammar is varied, is respectively arranged with merits and demerits.
Two joint ceramic structures in, shielding cylinder be fixed on two joint ceramic joining middle sealing rings on, Welding, structure
Simply, reliably.And in a joint ceramic structure, shielding cylinder and ceramic cartridge fixing means have soldering and are mechanically fixed two kinds of shapes
Formula, mechanical anchoring methods i.e. shielding cylinder is mostly unsymmetric structure, often affects ceramic package surface and internal electric field distribution
Uniformity, the suitability is restricted；When using method for welding due to the shielding cylinder material therefor coefficient of expansion when high temperature with
The coefficient of expansion of pottery is different, in order to reliably, often answer to reduce sealing-in added with transition material between shielding cylinder and pottery
Power, so makes structure and technique become complicated, too increases cost.
Chinese Patent Application No. is that CN201520346404.6 discloses a kind of ceramic cartridge and metallic shield cylinder room machine
Fixing grip device, described grip device is located at inside ceramic cartridge, and described fixture includes main shaft and chuck body, described
Chuck body includes that ball bearing and bearing mount, described ball bearing have three, and is that circumference is uniformly located at axle along main shaft
Holding on installing rack, bearing mount center is located at by described main shaft, and is rigidly connected with bearing mount.Although said apparatus rises
To the effect that shielding cylinder and ceramic cartridge are fixed up, but, still fall within and be mechanically fixed, affect ceramic package surface and interior
The uniformity of portion's Electric Field Distribution, the suitability is restricted.
Utility model content
The purpose of this utility model is the fixed structure providing a kind of shielding cylinder with ceramic cartridge, to solve prior art
In the above-mentioned multinomial defect that causes.
A kind of shielding cylinder and the fixed structure of ceramic cartridge, including shielding cylinder and ceramic cartridge, on the inwall of ceramic cartridge
Being provided with step in a circle, interior step is provided with some longitudinal notch consistent with ceramic cartridge direction, and interior step bottom is along its footpath
To being additionally provided with some grooves, the outer wall of described shielding cylinder is provided with a circle convex tendon, and the bottom surface of convex tendon coordinates with the end face of interior step,
It is additionally provided with identical with the quantity of the stud of described groove fit, groove and stud on the outer wall of shielding cylinder.
Preferably, the quantity of described longitudinal notch and the quantity of groove are identical.
Preferably, specially one one end of described stud is sphaerocepharous column nail.
Preferably, described longitudinal notch width 2-6mm, the big 0.5-0.8mm of diameter of the width ratio stud of longitudinal notch.
Preferably, described longitudinal notch mutually staggers on axis direction with groove.
Preferably, described longitudinal notch is identical with the quantity of groove and is 2-6, and two adjacent longitudinal notch with
And distance between groove is equal.
Preferably, described longitudinal notch is identical with the quantity of groove and is 4-6, and described interior step is joined with shielding cylinder
It is additionally provided with metal layer on the face closed.
The utility model has the advantage of: this utility model utilize the convex tendon on shielding cylinder and stud just can by shielding cylinder jail
Admittedly be positioned on the interior step of ceramic cartridge, it is to avoid vacuum interrupter comes off the fault occurred because of shielding cylinder, is greatly improved
Reliability and stability.Also realize completely knocked-down one-step seal-exhaust technique for vacuum interrupter to lay the foundation simultaneously.Will during assembling
Shielding cylinder is rotated to an angle after putting into the longitudinal notch of ceramic cartridge and makes stud overlap with groove i.e. by the stud of shielding cylinder again
Can position.In the design, shielding cylinder is in two contact centre positions after moving contact pulls open, is also at earthenware simultaneously
The centre position of shell, so, ceramic cartridge surface and internal electric field distribution ratio are more uniform.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of this utility model embodiment 1.
Fig. 2 is a kind of shielding cylinder described in the utility model and the positive section view of ceramic cartridge in the fixed structure of ceramic cartridge
Figure.
Fig. 3 is the sectional view in Fig. 1 along A-A direction.
Fig. 4 is a kind of shielding cylinder described in the utility model and the structural representation of shielding cylinder in the fixed structure of ceramic cartridge
Figure.
Fig. 5 is a kind of shielding cylinder described in the utility model and the positive section view of shielding cylinder in the fixed structure of ceramic cartridge
Figure.
Fig. 6 is the assembling schematic diagram of this utility model embodiment 2.
Wherein, 1-shielding cylinder, 2-ceramic cartridge, step in 3-, 4-longitudinal notch, 5-groove, 6-convex tendon, 7-stud, 8-
Metal layer.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below
In conjunction with detailed description of the invention, this utility model is expanded on further.
Embodiment 1
As shown in Figures 1 to 4, a kind of shielding cylinder 1 and the fixed structure of ceramic cartridge 2, including shielding cylinder 1 and ceramic cartridge
2, the inwall of ceramic cartridge 2 is provided with step 3 in a circle, and interior step 3 is provided with some longitudinal directions consistent with ceramic cartridge 2 direction
Notch 4, interior step 3 bottom is radially additionally provided with some grooves 5, and the outer wall of described shielding cylinder 1 is provided with a circle convex tendon 6, convex
The bottom surface of muscle 6 coordinates with the end face of interior step 3, and the outer wall of shielding cylinder 1 is additionally provided with the stud 7 coordinated with described groove 5, groove
5 is identical with the quantity of stud 7.
It should be noted that the quantity of described longitudinal notch 4 is identical with the quantity of groove 5.
In the present embodiment, specially one one end of described stud 7 is sphaerocepharous column nail.
In the present embodiment, described longitudinal notch 4 wide 2-6mm, the big 0.5-of diameter of the width ratio stud 7 of longitudinal notch 4
0.8mm。
In the present embodiment, described longitudinal notch 4 mutually staggers on axis direction with groove 5.
Additionally, described longitudinal notch 4 is identical with the quantity of groove 5 and is 2-6, and two adjacent longitudinal notch 4
And distance between groove 5 is equal.
Embodiment 2
As shown in Figure 2 and Figure 5, a kind of shielding cylinder 1 and the fixed structure of ceramic cartridge 2, including shielding cylinder 1 and ceramic cartridge
2, the inwall of ceramic cartridge 2 is provided with step 3 in a circle, and interior step 3 is provided with some longitudinal directions consistent with ceramic cartridge 2 direction
Notch 4, interior step 3 bottom is radially additionally provided with some grooves 5, and the outer wall of described shielding cylinder 1 is provided with a circle convex tendon 6, convex
The bottom surface of muscle 6 coordinates with the end face of interior step 3, and the outer wall of shielding cylinder 1 is additionally provided with the stud 7 coordinated with described groove 5, groove
5 is identical with the quantity of stud 7.
It should be noted that the quantity of described longitudinal notch 4 is identical with the quantity of groove 5.
In the present embodiment, specially one one end of described stud 7 is sphaerocepharous column nail.
In the present embodiment, described longitudinal notch 4 wide 2-6mm, the big 0.5-of diameter of the width ratio stud 7 of longitudinal notch 4
0.8mm。
In the present embodiment, described longitudinal notch 4 mutually staggers on axis direction with groove 5.
Additionally, described longitudinal notch 4 is identical with the quantity of groove 5 and is 2-6, and two adjacent longitudinal notch 4
And distance between groove 5 is equal, in order to improve its fastness further, the face that described interior step 3 coordinates with shielding cylinder 1
It is provided with layer of metal layer 8, carries out soldering with AgCu28 or AgCu28Ni0.75 solder, simultaneously at shielding cylinder 2 convex tendon 6 plane
The THICKNESS CONTROL of material, at 0.3-0.5mm, can reduce stress of sealing, additionally has multiple notch on interior step and also makes sealing-in answer
Power reduces, and improves the reliability of soldering, and wherein, the manufacture method of metal layer is: molybdenum powder and manganese powder mix according to a certain percentage
After conjunction, it is sintered in ceramic plane at 1300-1600 DEG C, then at one layer of nickel of plating.If on the interior step 3 of ceramic cartridge 2 not
Do metal layer 8, if temporary needs is welded with shielding cylinder 1 again, metal can be carried out with NiTi solder and weld with ceramic, but
Nickel to be controlled and the respective component ratio of titanium so that it is have suitable welding temperature.
Molybdenum powder and manganese powder each 50%, burn in ceramic plane 1300-1600 DEG C, nickel plating.
Based on above-mentioned, this utility model utilizes the convex tendon 6 on shielding cylinder 1 and stud 7 just can be positioned securely by shielding cylinder 1
On the interior step of ceramic cartridge 2, it is to avoid vacuum interrupter comes off the fault occurred because of shielding cylinder 1, greatly improves reliable
Property and stability.Also realize completely knocked-down one-step seal-exhaust technique for vacuum interrupter to lay the foundation simultaneously.By shielding cylinder 1 during assembling
Stud 7 put into the longitudinal notch 4 of ceramic cartridge 2 after shielding cylinder 1 is rotated to an angle make stud 7 overlap i.e. with groove 5 again
Can position.In the design, shielding cylinder 1 is in two contact centre positions after moving contact pulls open, is also at pottery simultaneously
The centre position of shell 2, so, ceramic cartridge 2 surface and internal electric field distribution ratio are more uniform.
As known by the technical knowledge, this utility model can be by other essence without departing from its spirit or the reality of essential feature
The scheme of executing realizes.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only
's.All in the range of this utility model or be equal to the change in the range of this utility model all by this utility model bag
Contain.
Claims (7)
1. shielding cylinder and a fixed structure for ceramic cartridge, including shielding cylinder and ceramic cartridge, it is characterised in that ceramic cartridge
Inwall be provided with step in a circle, interior step is provided with some longitudinal notch consistent with ceramic cartridge direction, under interior step
Portion is radially additionally provided with some grooves, and the outer wall of described shielding cylinder is provided with a circle convex tendon, the bottom surface of convex tendon and interior step
End face coordinates, and the outer wall of shielding cylinder is additionally provided with identical with the quantity of the stud of described groove fit, groove and stud.
A kind of shielding cylinder the most according to claim 1 and the fixed structure of ceramic cartridge, it is characterised in that: described cannelure
The quantity of mouth is identical with the quantity of groove.
A kind of shielding cylinder the most according to claim 1 and the fixed structure of ceramic cartridge, it is characterised in that: described stud has
Body be an one end be sphaerocepharous column nail.
A kind of shielding cylinder the most according to claim 3 and the fixed structure of ceramic cartridge, it is characterised in that: described cannelure
Mouth wide 2-6mm, the big 0.5-0.8mm of diameter of the width ratio stud of longitudinal notch.
A kind of shielding cylinder the most according to claim 1 and the fixed structure of ceramic cartridge, it is characterised in that: described cannelure
Mouth mutually staggers on axis direction with groove.
A kind of shielding cylinder the most according to claim 5 and the fixed structure of ceramic cartridge, it is characterised in that: described cannelure
Mouth is identical with the quantity of groove and is 2-6, and the distance between adjacent two longitudinal notch and groove is equal.
A kind of shielding cylinder the most according to claim 5 and the fixed structure of ceramic cartridge, it is characterised in that: described cannelure
Mouth is identical with the quantity of groove and is 4-6, and the face that described interior step coordinates with shielding cylinder is additionally provided with metal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552263.8U CN205752002U (en) | 2016-06-07 | 2016-06-07 | A kind of shielding cylinder and the fixed structure of ceramic cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552263.8U CN205752002U (en) | 2016-06-07 | 2016-06-07 | A kind of shielding cylinder and the fixed structure of ceramic cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752002U true CN205752002U (en) | 2016-11-30 |
Family
ID=57360535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620552263.8U Active CN205752002U (en) | 2016-06-07 | 2016-06-07 | A kind of shielding cylinder and the fixed structure of ceramic cartridge |
Country Status (1)
| Country | Link |
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| CN (1) | CN205752002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845493A (en) * | 2016-06-07 | 2016-08-10 | 温州浙光电子有限公司 | Fixing structure of shielding cylinder and ceramic tube shell and installation method of the fixing structure |
| CN111613477A (en) * | 2020-05-20 | 2020-09-01 | 宁波益舜电气有限公司 | Shielding cylinder and production process thereof |
-
2016
- 2016-06-07 CN CN201620552263.8U patent/CN205752002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845493A (en) * | 2016-06-07 | 2016-08-10 | 温州浙光电子有限公司 | Fixing structure of shielding cylinder and ceramic tube shell and installation method of the fixing structure |
| CN111613477A (en) * | 2020-05-20 | 2020-09-01 | 宁波益舜电气有限公司 | Shielding cylinder and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190115 Address after: 325600 No. 261 Wei19 Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province Patentee after: Astro-opto Technology Co. Ltd. Address before: 325600 Weixiu Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province (in Yueqing Dongfeng High Voltage Electrical Appliances Co., Ltd.) Patentee before: Wenzhou Zheguang Electronics Co., Ltd. |