CN210489507U - Moving contact for inflating cabinet switch - Google Patents
Moving contact for inflating cabinet switch Download PDFInfo
- Publication number
- CN210489507U CN210489507U CN201921465381.5U CN201921465381U CN210489507U CN 210489507 U CN210489507 U CN 210489507U CN 201921465381 U CN201921465381 U CN 201921465381U CN 210489507 U CN210489507 U CN 210489507U
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- contact
- support piece
- touch panel
- notch
- hole
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- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
A moving contact for an inflatable cabinet switch comprises two contact plates and a support piece, wherein the support piece is arranged at the lower ends of the two contact plates, the support piece comprises two groove cavities and a connecting plate, a shaft hole is formed in the connecting plate, the two contact plates are respectively arranged in the two groove cavities, the two contact plates are symmetrically arranged around the central axis of the support piece, one end of each contact plate is provided with a notch, the lower end of the notch is provided with a through hole, the bottom end of the notch is communicated with the through hole, the upper end parts of the outer sides of the two contact plates are respectively provided with a groove at the two sides of the notch, the four grooves are respectively of an elliptical structure, and the upper end parts of the inner sides of the two contact plates are respectively provided with protrusions of an elliptical structure at the two sides of the notch, the instant heating of the power failure is reduced, thereby improving the breaking capacity of the switch and indirectly reducing the arc extinguishing time of the switch.
Description
Technical Field
The utility model belongs to the technical field of power equipment and specifically relates to a moving contact for aerifing cabinet switch is related to.
Background
The moving contact is a necessary part of the gas-filled cabinet, and after the moving contact is in contact connection with the upper fixed contact, a circuit breaker loop is electrified, however, the existing moving contact is unreasonable in design, so that the electrified effect of the moving contact after gas filling is poor, or the structure of the moving contact is easy to deform, and the operation of the whole work is influenced;
the patent: CN 205028836U, patent name: a movable contact of an inflatable cabinet is provided with a notch, a groove and a bulge, so that the movable contact is conveniently connected with an upper static contact to electrify a loop, but the notch is communicated with the groove, one side of the movable contact is provided with a convex point, and the structural shape of the convex point can only be contacted with the static contact by one point, so that the movable contact still has poor contact after being inflated;
the patent: CN 206806182U, patent name: the movable contact structure in the gas-filled cabinet circuit breaker adopts a split structure, and an upper clamping block which is easy to wear can be independently replaced, so that the cost can be reduced, but poor conduction still exists in the aspects of clamping effect and conductivity;
in the prior art, the planar moving contact and the static contact have poor surface-to-surface contact clamping effect, and are in point-to-surface contact after the single salient point is arranged, although the clamping effect is good, the phenomena of dislocation of clamping positions easily occurs in the inflating process or other conditions, so that the moving contact and the static contact have poor contact, or the static contact and the salient point are not in contact, and the structural form of the planar moving contact and the static contact has deformation and the like when being subjected to the pressure of inflation air pressure.
Disclosure of Invention
The utility model provides a area of contact is bigger, and the circular telegram effect is better, and can reduce outage in the twinkling of an eye electric field strength, technical scheme that the cost is lower, the utility model discloses a technical scheme does:
the utility model provides a moving contact for aerify cabinet switch, includes two touch panels and support piece, two the lower extreme of touch panel is provided with support piece, support piece includes two vallecular cavities and connecting plate, be provided with the shaft hole on the connecting plate, two the touch panel sets up respectively two the vallecular cavity, two the touch panel sets up about support piece center pin symmetry, and the one end of touch panel is equipped with the breach, the lower extreme of breach is provided with the through-hole, the bottom and the through-hole intercommunication of breach, two the upper end in the outside of touch panel just is provided with the recess respectively in the both sides of breach, four the recess sets up to oval structure, two the inboard upper end of touch panel just is provided with the arch of oval structure respectively in the both sides of breach.
The number of the protrusions is four, and the spherical surfaces of the four formed elliptical structures can be in contact with the fixed contact.
The bottom of the support piece is connected with an operating mechanism, a bearing seat is arranged on the operating mechanism, clamping grooves are formed in two sides of the bearing seat, a pin hole is formed in the lower end of the touch plate, the clamping grooves are matched with the touch plate, the bearing seat is connected with the touch plate through a pin hole pin, and the operating mechanism can drive the support piece and the touch plate to rotate.
Compared with the prior art, the utility model discloses the improvement of structure can provide more areas with the static contact, reduce contact resistance value, increase electric conductive property, provide the contact point of dispersion, the heat-sinking capability is stronger relatively, reduces the outage in the twinkling of an eye and generates heat, reduces electric field strength to improve the breaking capacity of switch, indirectly reduce the arc extinguishing time of switch.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the supporting member of the present invention;
FIG. 3 is a schematic structural view of the present invention with the supporting member removed;
in the attached drawing, the device comprises a contact plate 1, a contact plate 2, a protrusion 3, a groove 4, a pin hole 5, a notch 6, a through hole 7, a support piece 8, a groove cavity 9, a connecting plate 10, an operating mechanism 11 and a clamping groove.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to fig. 1, fig. 2, fig. 3 and the specific embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the moving contact for the switch of the gas insulated switchgear includes two contact plates 1 and support members 7, the support members 7 are disposed at the lower ends of the two contact plates 1, each support member 7 includes two slot cavities 8 and a connecting plate 9, a shaft hole is disposed on each connecting plate 9, the two contact plates 1 are disposed in the two slot cavities respectively, the two contact plates 1 are symmetrically disposed about the central axis of each support member 7, a notch 5 is disposed at one end of each contact plate 1, a through hole 6 is disposed at the lower end of each notch 5, the bottom end of each notch 5 is communicated with the through hole 6, grooves 3 are disposed at the upper end portions of the outer sides of the two contact plates 1 and at the two sides of the notch 5 respectively, the four grooves 3 are disposed in an elliptical structure, and protrusions 2 of an elliptical structure are disposed at the upper end portions of the inner sides.
The number of the protrusions 2 is four, and four spherical surfaces of the elliptical structure can be in contact with the fixed contact.
The bottom of support piece 7 is connected with operating device 10, is provided with the bearing frame on the operating device 10, the bearing frame both sides are provided with draw-in groove 11, the lower extreme of touch panel 1 is provided with pinhole 4, and draw-in groove 11 cooperatees with touch panel 1, and the bearing frame passes through pinhole 4 pin joint with touch panel 1, and operating device can drive support piece 7 and touch panel 1 rotatory.
The four protrusions 2 on the inner side of the moving contact plate 1 can greatly increase the contact area and the contact probability when the moving contact is contacted with the static contact, the four protrusions 2 are arranged to be of an elliptical structure, the contact process of the protrusions 2 and the static contact of a planar structure is influenced by the operating mechanism 10 or the inflation pressure, the clamping force of the contact plate and the clamping force of the static contact are different, so that the contact angles of the contact plate and the static contact are different, the elliptical structure of the protrusions 2 can be touched with the static contact at multiple angles, and the four protrusions 2 are in contact with the static contact in a larger area, so that the contact resistance value is reduced, and the;
the contact plate 1 is provided with a notch 5, the four bulges 2 have obvious breaking points, the detection and judgment are easier in the assembly test process, the matching arrangement of the groove 3 and the bulges 2 and the arrangement of the groove 3 and the bulges 2 on the two sides of the notch 5 and not communicated with the notch 5 can enhance the compression resistance and the deformation resistance; the four bulges 2 are arranged to enable the moving contact to be in point-surface contact with the fixed contact, and are dispersed contact points, so that the heat dissipation capacity is relatively stronger, the instant heating of power failure is reduced, the electric field intensity is reduced, the on-off capacity of the switch is improved, and the arc extinguishing time of the switch is indirectly reduced.
The gap 5 and the through hole 6 that set up on the touch panel 1 communicate to and be provided with support piece 7 on the touch panel 1, support piece 7 carries out the reinforcing effect to touch panel 1.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (3)
1. The utility model provides a moving contact for aerify cabinet switch, includes two touch panel (1) and support piece (7), two the lower extreme of touch panel (1) is provided with support piece (7), its characterized in that, support piece (7) include two vallecular cavity (8) and connecting plate (9), be provided with the shaft hole on connecting plate (9), two touch panel (1) sets up respectively two in the vallecular cavity, two touch panel (1) sets up about support piece (7) center pin symmetry, and the one end of touch panel (1) is equipped with breach (5), the lower extreme of breach (5) is provided with through-hole (6), the bottom and through-hole (6) intercommunication of breach (5), two the upper end in the outside of touch panel (1) just is provided with recess (3) respectively in the both sides of breach (5), four recess (3) set up to oval structure, two the upper end in touch panel (1) inboard just is provided with oval structure's both sides respectively And (2) a bulge.
2. Moving contact for gas-filled cubicles switches according to claim 1, characterized in that said projections (2) are four in number and form a spherical surface with four elliptical structures able to contact with the stationary contact.
3. The moving contact of an air-filled cabinet switch as claimed in claim 1, wherein the bottom of the supporting member (7) is connected with an operating mechanism (10), the operating mechanism (10) is provided with a bearing seat, two sides of the bearing seat are provided with clamping grooves (11), the lower end of the touch plate (1) is provided with a pin hole (4), the clamping groove (11) is matched with the touch plate (1), the bearing seat is in pin connection with the touch plate (1) through the pin hole (4), and the operating mechanism can drive the supporting member (7) and the touch plate (1) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465381.5U CN210489507U (en) | 2019-09-05 | 2019-09-05 | Moving contact for inflating cabinet switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465381.5U CN210489507U (en) | 2019-09-05 | 2019-09-05 | Moving contact for inflating cabinet switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210489507U true CN210489507U (en) | 2020-05-08 |
Family
ID=70539584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921465381.5U Active CN210489507U (en) | 2019-09-05 | 2019-09-05 | Moving contact for inflating cabinet switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210489507U (en) |
-
2019
- 2019-09-05 CN CN201921465381.5U patent/CN210489507U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Moving contact for switch of inflatable cabinet Effective date of registration: 20211022 Granted publication date: 20200508 Pledgee: Hengfeng Bank Co.,Ltd. Jining Branch Pledgor: Shengdao Tiande Electric (Shandong) Co.,Ltd. Registration number: Y2021980011179 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221101 Granted publication date: 20200508 Pledgee: Hengfeng Bank Co.,Ltd. Jining Branch Pledgor: Shengdao Tiande Electric (Shandong) Co.,Ltd. Registration number: Y2021980011179 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A moving contact used for the switch of the inflation cabinet Effective date of registration: 20221230 Granted publication date: 20200508 Pledgee: Hengfeng Bank Co.,Ltd. Jining Branch Pledgor: Shengdao Tiande Electric (Shandong) Co.,Ltd. Registration number: Y2022980029514 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231220 Granted publication date: 20200508 Pledgee: Hengfeng Bank Co.,Ltd. Jining Branch Pledgor: Shengdao Tiande Electric (Shandong) Co.,Ltd. Registration number: Y2022980029514 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A moving contact for the switch of an inflatable cabinet Granted publication date: 20200508 Pledgee: Hengfeng Bank Co.,Ltd. Jining Branch Pledgor: Shengdao Tiande Electric (Shandong) Co.,Ltd. Registration number: Y2024980010808 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |