CN204634144U - Linac grided electron gun - Google Patents
Linac grided electron gun Download PDFInfo
- Publication number
- CN204634144U CN204634144U CN201520167818.2U CN201520167818U CN204634144U CN 204634144 U CN204634144 U CN 204634144U CN 201520167818 U CN201520167818 U CN 201520167818U CN 204634144 U CN204634144 U CN 204634144U
- Authority
- CN
- China
- Prior art keywords
- base
- grid assembly
- connecting tube
- cathode grid
- cylinder connector
- 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
Linac grided electron gun, comprise cavity shell, cathode grid assembly, connecting tube, sputter ion pump, active flange circle, base, described cavity shell comprises cone cylinder connector and insulation magnetic ring component, and described cavity shell is connected by blind flange with base, and described cathode grid assembly is positioned at base, described cathode grid assembly is fixed by screw and cone cylinder connector, described screw upper end is fastened with gland, and base side wall is connected with connecting tube, and described connecting tube is connected with sputter ion pump by active flange circle.With lug plate on described cone cylinder connector.Described blind flange has sealing ring.This device can change filament, cathode grid assembly, convenient and swift, can be applied to better in electron accelerator industrial production, and high, the overall Flouride-resistani acid phesphatase of long service life, operational reliability, anti-vibration.
Description
Technical field
The utility model relates to electron accelerator field, is specifically related to a kind of grided electron gun of linac.
Background technology
Electron gun accelerates the luminous a kind of device of electronics bombardment target screen, and it launches the electron beam with certain energy, necessarily line and speed and angle.The electron gun of gate modulation structure is widely adopted with the advantage of its low control voltage.The problems such as conventional grided electron gun easily occurs that rifle body is short for useful life in the course of the work, and filament, cathode grid assembly difficulty is changed, maintenance difficult, cleaning difficulty.
Summary of the invention
The utility model provides a kind of linac grided electron gun, and have long service life, operational reliability is high, easy-maintaining, the advantages such as easy to clean.
The technical solution adopted in the utility model is:
Linac grided electron gun, comprise cavity shell, cathode grid assembly, connecting tube, sputter ion pump, active flange circle, base, described cavity shell comprises cone cylinder connector and insulation magnetic ring component, and described cavity shell is connected by blind flange with base, and described cathode grid assembly is positioned at base, described cathode grid assembly is fixed by screw and cone cylinder connector, described screw upper end is fastened with gland, and base side wall is connected with connecting tube, and described connecting tube is connected with sputter ion pump by active flange circle.
With lug plate on described cone cylinder connector.
Described blind flange has sealing ring.
The beneficial effect that the utility model realizes is:
This device can change filament, cathode grid assembly, convenient and swift, can be applied to better in electron accelerator industrial production, and high, the overall Flouride-resistani acid phesphatase of long service life, operational reliability, anti-vibration.
Accompanying drawing explanation
Figure 1 shows that the structural representation of linac grided electron gun.
Figure 2 shows that the cutaway view of Fig. 1 along A-A direction.
Wherein, 1-bores cylinder connector, 2-insulate magnetic ring component, 3-cathode grid assembly, 4-screw, 5-gland, 6-sealing ring, 7-blind flange, 8-bolt, 9-nut, 10-connecting tube, the active flange circle of 11-, 12-screw, 13-base, 14-sputter ion pump, 15-lug plate.
Embodiment
Linac grided electron gun, comprise cavity shell, cathode grid assembly 3, connecting tube 10, sputter ion pump 14, active flange circle 11, base 13, described cavity shell comprises cone cylinder connector 1 and insulation magnet ring 2 assembly, described cavity shell is connected by blind flange 7 with base 13, described cathode grid assembly 3 is positioned at base 13, described cathode grid assembly 3 is fixed by screw 4 and cone cylinder connector 1, described screw 4 upper end is fastened with gland 5, base 13 sidewall is connected with connecting tube 10, described connecting tube 10 is connected with sputter ion pump 14 by active flange circle 11.With lug plate 15 on described cone cylinder connector 1.Described blind flange 7 has sealing ring 6.
Claims (3)
1. linac grided electron gun, it is characterized in that, comprise cavity shell, cathode grid assembly (3), connecting tube (10), sputter ion pump (14), active flange circle (11), base (13), described cavity shell comprises cone cylinder connector (1) and insulation magnet ring (2) assembly, described cavity shell is connected by blind flange (7) with base (13), described cathode grid assembly (3) is positioned at base (13), described cathode grid assembly (3) is fixed by screw (4) and cone cylinder connector (1), described screw (4) upper end is fastened with gland (5), base (13) sidewall is connected with connecting tube (10), described connecting tube (10) is connected with sputter ion pump (14) by active flange circle (11).
2. linac grided electron gun according to claim 1, is characterized in that, with lug plate (15) on described cone cylinder connector (1).
3. linac grided electron gun according to claim 2, is characterized in that, described blind flange (7) has sealing ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167818.2U CN204634144U (en) | 2015-03-25 | 2015-03-25 | Linac grided electron gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167818.2U CN204634144U (en) | 2015-03-25 | 2015-03-25 | Linac grided electron gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204634144U true CN204634144U (en) | 2015-09-09 |
Family
ID=54053120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520167818.2U Expired - Fee Related CN204634144U (en) | 2015-03-25 | 2015-03-25 | Linac grided electron gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204634144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657952A (en) * | 2015-12-16 | 2016-06-08 | 舟山雷大电子科技有限公司 | Electron linear accelerator diode electron gun with replaceable cathode |
| CN105977119A (en) * | 2016-07-12 | 2016-09-28 | 电子科技大学 | Method for determining virtual anode position of grid control electron gun |
-
2015
- 2015-03-25 CN CN201520167818.2U patent/CN204634144U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657952A (en) * | 2015-12-16 | 2016-06-08 | 舟山雷大电子科技有限公司 | Electron linear accelerator diode electron gun with replaceable cathode |
| CN105657952B (en) * | 2015-12-16 | 2018-04-03 | 舟山雷大电子科技有限公司 | A kind of replaceable electron linear accelerator diode gun of negative electrode |
| CN105977119A (en) * | 2016-07-12 | 2016-09-28 | 电子科技大学 | Method for determining virtual anode position of grid control electron gun |
| CN105977119B (en) * | 2016-07-12 | 2017-11-17 | 电子科技大学 | A kind of grided electron gun virtual anode method for determining position |
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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: 20150909 Termination date: 20180325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |