CN210142621U - Vacuum switch tube with long end cover service life - Google Patents
Vacuum switch tube with long end cover service life Download PDFInfo
- Publication number
- CN210142621U CN210142621U CN201921138753.3U CN201921138753U CN210142621U CN 210142621 U CN210142621 U CN 210142621U CN 201921138753 U CN201921138753 U CN 201921138753U CN 210142621 U CN210142621 U CN 210142621U
- Authority
- CN
- China
- Prior art keywords
- end cover
- static
- insulating cylinder
- conducting rod
- movable
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 60
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000005728 strengthening Methods 0.000 claims description 24
- 229910000679 solder Inorganic materials 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a vacuum switch tube with a longer end cover service life, which relates to the field of electrical equipment and comprises an insulating cylinder, wherein a static conducting rod and a dynamic conducting rod are arranged on the insulating cylinder; the bottom of an insulating cylinder is provided with a movable end cover, one end of a movable conducting rod, which is positioned outside the insulating cylinder, penetrates through the movable end cover, a plurality of reinforcing ribs are arranged on the movable end cover, each reinforcing rib comprises an annular reinforcing rib and a longitudinal reinforcing rib, the annular reinforcing ribs surround the outer wall of the movable end cover along the static end cover, and the longitudinal reinforcing ribs are arranged in parallel with the central line of the insulating cylinder. The utility model discloses can prolong the life of moving, quiet end cover, reduce use cost.
Description
Technical Field
The utility model relates to an electrical equipment field, concretely relates to longer vacuum switch tube of end cover life-span.
Background
The vacuum switch tube is a core component of a solid insulation ring main unit, and generally comprises an insulation shell made of glass or ceramic, wherein a shielding cover, a moving contact and a static contact are arranged inside the shell, the moving contact is connected with a moving conducting rod, the static contact is connected with a static conducting rod, and one end of each of the moving conducting rod and the static conducting rod extends out of the shell.
The movable end cover is connected with the movable end cover through the fixing ring, when the vacuum switch tube is installed, the guide sleeve is sleeved on the fixing ring firstly and then is spun, and the movable end cover is subjected to the action of rotating moment in the spinning process due to the connection of the movable end cover and the fixing ring, so that the movable end cover is easy to deform and damage under the action of the moment; simultaneously, the vacuum switch tube is at the assembly and the in-process that opens and shuts, and quiet end cover all can reach the exogenic action, and long-term use can lead to quiet end cover impaired, can influence vacuum switch tube's normal use after moving, quiet end cover is impaired, leads to the vacuum tube to scrap even, can increase use cost and potential safety hazard.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a longer vacuum switch tube of end cover life-span can guarantee the holistic life of vacuum switch tube, reduces use cost.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a vacuum switch tube with a longer end cover service life comprises an insulating cylinder, wherein a static conducting rod and a dynamic conducting rod are arranged on the insulating cylinder, one end of the static conducting rod is positioned outside the insulating cylinder, the other end of the static conducting rod is connected with a static contact, one end of the dynamic conducting rod is positioned outside the insulating cylinder, the other end of the dynamic conducting rod is connected with a dynamic contact,
the top of the insulating cylinder is provided with a static end cover, the top end of the static conducting rod penetrates through the static end cover and is positioned outside the static end cover, and the static end cover is provided with a plurality of reinforcing ribs; the bottom of an insulating cylinder is provided with moves the end cover, move the conducting rod and be located the outside one end of an insulating cylinder and pass and move the end cover, it is provided with a plurality of strengthening ribs to move on the end cover, the strengthening rib includes annular strengthening rib and vertical strengthening rib, annular strengthening rib follows quiet end cover, move the end cover outer wall and encircle the cladding, vertical strengthening rib and the central line parallel arrangement of an insulating cylinder.
Furthermore, the static contact and the moving contact are both transverse magnetic field contacts, a plurality of longitudinal chutes are formed in the outer sides of the static contact and the moving contact, longitudinal chamfers with an angle of 10 degrees are arranged on the end faces of the static contact and the moving contact, and a plurality of transverse straight grooves corresponding to the longitudinal chutes are formed in the end faces of the static contact and the moving contact.
Furthermore, a shielding cylinder is arranged inside the insulating cylinder, and the static contact and the moving contact are both located in the shielding cylinder.
Furthermore, a corrugated pipe is arranged between the movable end cover and the movable conducting rod, one end of the corrugated pipe is connected with the inner wall of the movable end cover, the other end of the corrugated pipe is connected with the movable conducting rod, and the connection part of the corrugated pipe is positioned in the shielding cylinder.
Furthermore, a fixing ring is arranged between the movable end cover and the movable conducting rod.
Furthermore, be provided with the welding material circle between movable end cover and the solid fixed ring, welding material circle joint is in the gap between movable end cover and the solid fixed ring.
Furthermore, a first sealing ring is arranged between the static end cover and the insulating cylinder, and a second sealing ring is arranged between the movable end cover and the insulating cylinder.
Furthermore, a first circle of round solder wires is arranged between the static end cover and the first sealing ring, and a second circle of round solder wires is arranged between the movable end cover and the second sealing ring.
Furthermore, an equalizing ring is further arranged in the insulating cylinder and located at the bottom of the static end cover.
Compared with the prior art, the utility model has the advantages of:
(1) in the vacuum switch tube with longer service life of the end cover, the top of the insulating cylinder is provided with the static end cover, the top end of the static conducting rod passes through the static end cover and is positioned outside the static end cover, and the static end cover is provided with a plurality of reinforcing ribs; the bottom of the insulating cylinder is provided with a movable end cover, one end of the movable conducting rod, which is positioned outside the insulating cylinder, penetrates through the movable end cover, and the movable end cover is provided with a plurality of reinforcing ribs. The strengthening rib in this embodiment includes annular strengthening rib and vertical strengthening rib, and annular strengthening rib is along quiet end cover, move the end cover outer wall and encircle the cladding, and vertical strengthening rib and the central line parallel arrangement of insulating cylinder, when using, the setting of strengthening rib can improve quiet end cover, move the intensity of end cover, and then reduce quiet end cover, move the damaged degree of end cover under the exogenic action, can prolong the life of moving end cover, quiet end cover, reduce use cost and vacuum switch pipe potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of a vacuum interrupter with a long end cap life according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
In the figure: 1-insulating cylinder, 2-static conducting rod, 3-dynamic conducting rod, 4-static contact, 5-dynamic contact, 6-longitudinal chute, 7-static end cover, 8-first sealing ring, 9-dynamic end cover, 10-shielding cylinder, 11-corrugated pipe, 12-fixed ring, 13-solder ring, 14-second sealing ring, 15-first circle solder wire, 16-second circle solder wire and 17-equalizing ring.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a vacuum switch tube with a long end cover service life, including an insulating cylinder 1, the insulating cylinder 1 is provided with a static conducting rod 2 and a dynamic conducting rod 3, one end of the static conducting rod 2 is located outside the insulating cylinder 1, the other end passes through a static contact 4, one end of the dynamic conducting rod 3 is located outside the insulating cylinder 1, the other end is connected with a dynamic contact 5, the insulating cylinder 1 is internally provided with a shielding cylinder 10, the static contact 4 and the dynamic contact 5 are both located in the shielding cylinder 10, the static contact 4 and the dynamic contact 5 are both horizontal magnetic field contacts, the outer sides of the static contact 4 and the dynamic contact 5 are provided with a plurality of longitudinal chutes 6, the outer edges of the static contact 4 and the dynamic contact 5 are both provided with a chamfer structure with an angle of 10 degrees, the end face of the static contact 4 and the dynamic contact 5 is provided with a plurality of horizontal straight grooves corresponding to, the longitudinal inclined groove 6 and the outer edge chamfering structure can effectively pass through and increase arc extinguishing capacity, and further the on-off strength of the switch is increased.
The top of the insulating cylinder 1 is provided with a static end cover 7, the top end of the static conducting rod 2 penetrates through the static end cover 7 and is positioned outside the static end cover 7, and the static end cover 7 is provided with a plurality of reinforcing ribs; the bottom of the insulating cylinder 1 is provided with a movable end cover 9, one end of the movable conducting rod 3, which is positioned outside the insulating cylinder 1, penetrates through the movable end cover 9, and the movable end cover 9 is provided with a plurality of reinforcing ribs.
The strengthening rib in this embodiment includes annular strengthening rib and vertical strengthening rib, annular strengthening rib is along quiet end cover 7, move the 9 outer walls of end cover and encircle the cladding, vertical strengthening rib and the central line parallel arrangement of insulating cylinder 1, when using, the setting of strengthening rib can improve quiet end cover 7, move the intensity of end cover 9, and then reduce quiet end cover 7, move end cover 9 impaired intensity under the exogenic action, can prolong the rigidity and the life of moving the end cover, quiet end cover, reduce use cost and potential safety hazard.
A corrugated pipe 11 is arranged between the movable end cover 9 and the movable conducting rod 3, one end of the corrugated pipe 11 is connected with the inner wall of the movable end cover 9, the other end of the corrugated pipe is connected with the movable conducting rod 3, the connection part is positioned in the shielding cylinder 10, an equalizing ring 17 is further arranged in the insulating cylinder 1, and the equalizing ring 17 is positioned at the bottom of the static end cover 7.
Still be provided with solid fixed ring 12 between movable end cover 9 and the movable conducting rod 3, be provided with welding material circle 13 between movable end cover 9 and the solid fixed ring 12, welding material circle 13 joint is in the gap between movable end cover 9 and the seal ring 14.
Referring to fig. 2 and 3, a first sealing ring 8 is arranged between the stationary end cap 7 and the insulating cylinder 1, a second sealing ring 14 is arranged between the moving end cap 9 and the insulating cylinder 1, a first circle of circular solder wire 15 is arranged between the stationary end cap 7 and the first sealing ring 8, and a second circle of circular solder wire 16 is arranged between the moving end cap 9 and the second sealing ring 14.
The arrangement of the solder ring 13, the first circle of round solder wire 15 and the second circle of round solder wire 16 can avoid the damage of the moving end cover 9 and the static end cover 7 under the rigid action when the moving end cover 9 and the static end cover 7 are under the action of external force and the connected components, thereby prolonging the service life of the moving end cover and the static end cover and reducing the use cost.
The utility model provides a solder circle 13, first circle solder wire 15 and second circle solder wire 16 choose for use AgCu28Or AgCu28Ni0.7The high-strength and high-fluidity brazing alloy is good in toughness and flowability, and can ensure the high-temperature brazing strength and the air tightness of the vacuum switch tube.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (9)
1. The utility model provides a longer vacuum switch tube of end cover life-span, includes insulating cylinder (1), be provided with static conducting rod (2) and move conducting rod (3) on insulating cylinder (1), the one end of static conducting rod (2) is located the outside of insulating cylinder (1), and static contact (4) are connected to the other end, the one end of moving conducting rod (3) is located the outside of insulating cylinder (1), and a moving contact (5), its characterized in that are connected to the other end:
the top of the insulating cylinder (1) is provided with a static end cover (7), the top end of the static conducting rod (2) penetrates through the static end cover (7) and is positioned outside the static end cover, and the static end cover (7) is provided with a plurality of reinforcing ribs; the bottom of insulating cylinder (1) is provided with moves end cover (9), move conducting rod (3) and be located insulating cylinder (1) outside one end and pass and move end cover (9), it is provided with a plurality of strengthening ribs on end cover (9) to move, the strengthening rib includes annular strengthening rib and vertical strengthening rib, annular strengthening rib follows quiet end cover (7), move end cover (9) outer wall and encircle the cladding, the central line parallel arrangement of vertical strengthening rib and insulating cylinder (1).
2. A vacuum interrupter with an extended end cap life as defined in claim 1, wherein: the magnetic field type magnetic field switch is characterized in that the static contact (4) and the moving contact (5) are both transverse magnetic field contacts, a plurality of longitudinal chutes (6) are formed in the outer sides of the static contact (4) and the moving contact (5), longitudinal chamfers with an angle of 10 degrees are arranged on the end faces of the static contact (4) and the moving contact (5), and a plurality of transverse straight grooves corresponding to the longitudinal chutes (6) are formed in the opposite end faces of the static contact (4) and the moving contact (5).
3. A vacuum interrupter with an extended end cap life as defined in claim 1, wherein: a shielding cylinder (10) is arranged inside the insulating cylinder (1), and the static contact (4) and the moving contact (5) are both located in the shielding cylinder (10).
4. A vacuum interrupter with an extended end cap life as defined in claim 3, wherein: the corrugated pipe (11) is arranged between the movable end cover (9) and the movable conducting rod (3), one end of the corrugated pipe (11) is connected with the inner wall of the movable end cover (9), the other end of the corrugated pipe is connected with the movable conducting rod (3), and the connection position of the corrugated pipe and the movable conducting rod is located in the shielding cylinder (10).
5. A vacuum interrupter with an extended end cap life as defined in claim 4, wherein: and a fixing ring (12) is also arranged between the movable end cover (9) and the movable conducting rod (3).
6. A vacuum interrupter with an extended end cap life as defined in claim 4, wherein: move and be provided with solder ring (13) between end cover (9) and solid fixed ring (12), solder ring (13) joint is in moving the gap between end cover (9) and solid fixed ring (12).
7. A vacuum interrupter with an extended end cap life as defined in claim 4, wherein: a first sealing ring (8) is arranged between the static end cover (7) and the insulating cylinder (1), and a second sealing ring (14) is arranged between the movable end cover (9) and the insulating cylinder (1).
8. A vacuum interrupter with an extended end cap life as defined in claim 7, wherein: a first circle of circular welding wires (15) are arranged between the static end cover (7) and the first sealing ring (8), and a second circle of circular welding wires (16) are arranged between the movable end cover (9) and the second sealing ring (14).
9. A vacuum interrupter with an extended end cap life as defined in claim 1, wherein: still be provided with equalizer ring (17) in insulating cylinder (1), equalizer ring (17) are located quiet end cover (7) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138753.3U CN210142621U (en) | 2019-07-19 | 2019-07-19 | Vacuum switch tube with long end cover service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138753.3U CN210142621U (en) | 2019-07-19 | 2019-07-19 | Vacuum switch tube with long end cover service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210142621U true CN210142621U (en) | 2020-03-13 |
Family
ID=69736643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921138753.3U Expired - Fee Related CN210142621U (en) | 2019-07-19 | 2019-07-19 | Vacuum switch tube with long end cover service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210142621U (en) |
-
2019
- 2019-07-19 CN CN201921138753.3U patent/CN210142621U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200313 |