CN209183486U - Second level tripping mechanism in on-load switch - Google Patents
Second level tripping mechanism in on-load switch Download PDFInfo
- Publication number
- CN209183486U CN209183486U CN201821672020.3U CN201821672020U CN209183486U CN 209183486 U CN209183486 U CN 209183486U CN 201821672020 U CN201821672020 U CN 201821672020U CN 209183486 U CN209183486 U CN 209183486U
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- Prior art keywords
- buckling
- rotating plate
- plate
- rotation
- semiaxis
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Abstract
The utility model discloses second level tripping mechanisms in a kind of on-load switch, including bracket, rotation is provided with rotating plate on the bracket, operating shaft and semiaxis, buckling groove is provided on the semiaxis, cam is fixedly installed in the operating shaft, the cam and rotating plate contradict the transmission of formation operation axis and rotating plate, also rotation is provided with buckling plate on the bracket, described buckling plate one end is set to cam side, the other end is buckling end and is set on the upside of buckling groove, the buckling end is provided with drives buckling plate rotation to realize the combined floodgate contradicted with buckling groove protrusion for being compressed by rotating plate, it is additionally provided on the buckle for making the raised reduction torsion spring for being detached from buckling groove that closes a floodgate after semiaxis rotates.The reaction time for reducing combined floodgate reduces the snapping power of combined floodgate, and then reduces the tripping force of reset spring, and guarantees the reliability that mechanism closes a floodgate.
Description
Technical field
Second level tripping machine the utility model relates to on-load switch parts technical field, in especially a kind of on-load switch
Structure.
Background technique
On-load switch is mainly used for cut-offfing and closing load current, on-load switch and high-tension fuse cooperation can also be made
With instead of breaker.Since on-load switch is easy to use, reasonable price, therefore on-load switch obtains extensively in distribution network systems
Use.But the second level in existing on-load switch takes off mouth mechanism, in separating brake, the buckling surface position of buckle is in below semiaxis,
Energy storage axle rotation is operated when combined floodgate, energy storage axle overhead cam rotates clockwise that rotating plate is driven to rotate, what cancellation rotated buckle
Limit is redropped after buckle snapping face is gone to above semiaxis below semiaxis and is buckled on semiaxis, completes closing operation,
This structure is generally equipped on semiaxis because snapping face will go to top below semiaxis and need certain run duration for half
The reset spring that axis rotation resets, semiaxis, which resets, needs certain resetting time, during exercise between switch when being greater than resetting time
It could successfully close, if resetting time is greater than run duration, then switch is possible to empty to close, in order to guarantee that switch can be just
Often combined floodgate can generally increase the coefficient of elasticity of the reset spring of semiaxis to increase resetting time, but increase semiaxis reset spring bullet
Property coefficient will affect the separating brake of tripping coil, so that low-voltage tripping and the tripping of fuse are very difficult, influence making for equipment
With.
Utility model content
In view of the deficiencies of the prior art, the utility model provides second level tripping mechanism in a kind of on-load switch, reduces conjunction
The reaction time of lock reduces the snapping power of combined floodgate, and then reduces the tripping force of reset spring, and guarantees that mechanism closes a floodgate reliable
Property.
The utility model provides second level tripping mechanism in a kind of on-load switch, including bracket, rotates setting on the bracket
There are rotating plate, operating shaft and semiaxis, buckling groove is provided on the semiaxis, cam is fixedly installed in the operating shaft, it is described convex
Wheel contradicts the transmission of formation operation axis and rotating plate with rotating plate, and also rotation is provided with buckling plate, the buckling plate one on the bracket
End is set to cam side, and the other end is buckling end and is set on the upside of buckling groove that the buckling end is provided with for by rotating plate
It compresses and buckling plate rotation is driven to realize the combined floodgate protrusion contradicted with buckling groove, be additionally provided on the buckle for being rotated in semiaxis
Make the raised reduction torsion spring for being detached from buckling groove that closes a floodgate afterwards.
The beneficial effect being arranged in this way is: using the above scheme, in separating brake, buckling plate is constantly in buckling groove on semiaxis
Top, wait closing operation, when needing to close a floodgate, rotate operating shaft, operating shaft band moving cam rotates, and cam rotation is to supporting
Rotating plate is touched, so that rotating plate is driven to rotate, so that close a floodgate on buckling plate protrusion and buckling groove joint, while closing a floodgate and protruding out into button
It closes slot and buckling groove is inconsistent, form the limit rotated to buckling plate, complete closing operation, this structure buckling plate is always in semiaxis
Top is waited, and not needing rotation waiting time can directly fasten, so the reset spring of semiaxis does not need too big power,
Combined floodgate protrusion is constantly in closing position, and snapping power compares that previous structure is smaller, so the tripping force that tripping coil needs
Reduction small, that fuse tripping power is also adapted.Improve combined floodgate reliability and the mechanical life of mechanism of mechanism.
The utility model is further arranged to the buckling plate and includes the buckle being hinged and support for being rotated by rotating plate
Pressure zone moves the pawl of buckle rotation, and the linkage torsional spring for making pawl and buckle link is provided between the pawl and buckle,
The side of rotating plate is arranged in the pawl, and the buckle and semiaxis, which contradict, to be arranged.
The beneficial effect being arranged in this way is: using the above scheme, by buckling plate split settings at this form, structure letter
It is single, and by the linkage of linkage torsional spring realization a pawl and buckle, play the role of limit and buffering, avoids being wholely set
Rigid connection be arranged further mention in this way since for a long time by biggish active force, unitary rigid connection is easily deformed damage
The stability of high structure, prolonged mechanical service life.
It includes connecting plate, the first roller and the second roller, the connection that the utility model, which is further arranged to the rotating plate,
Plate one end is hinged end and hinged with bracket, and the other end is that working end and contradicting with pawl is arranged, and the second roller rotation is set
It sets in the working end of connecting plate, first roller, which is rotatably arranged between working end and connecting pin and contradicts with cam, to be arranged.
The beneficial effect being arranged in this way is: using the above scheme, this structure taken, contact area increased by roller,
Guarantee the stability of contact, guarantees using effect.
Detailed description of the invention
Fig. 1 is the structural scheme of mechanism of the side view of the utility model embodiment；
Fig. 2 is the cross section view of A-A in the utility model embodiment Fig. 1.
Specific embodiment
It can be seen that the utility model discloses second level tripping mechanism in a kind of on-load switch, including bracket 1 by Fig. 1, Fig. 2,
Rotation is provided with rotating plate 5, operating shaft 2 and semiaxis 3 on the bracket 1, and buckling groove 31, the operation are provided on the semiaxis 3
Cam 21 is fixedly installed on axis 2, the cam 21 contradicts the transmission of formation operation axis 2 and rotating plate 5, the bracket 1 with rotating plate 5
On also rotation be provided with buckling plate 4, described 4 one end of buckling plate is set to 21 side of cam, the other end be buckling end and with semiaxis 3
Setting is contradicted, the buckling end is provided with drives buckling plate rotation to realize the conjunction fastened with buckling groove 31 for being compressed by rotating plate 5
Lock protrusion 43 is additionally provided with the reset that buckling groove 31 is detached from for the protrusion 43 that makes to close a floodgate after the rotation of semiaxis 3 on the buckle 41
Torsional spring 44, in separating brake, buckling plate 4 is constantly in the top of buckling groove 31 on semiaxis 3, waits closing operation, is needing to close a floodgate
When, operating shaft 2 is rotated, operating shaft 2 is rotated with moving cam 21, and the rotation of cam 21 is to contradict rotating plate 5, to drive 5 turns of rotating plate
Dynamic, so that protrusion 43 of closing a floodgate on buckling plate 4 is in contact with buckling groove 31, while protrusion 43 of closing a floodgate enters buckling groove 31 and buckling groove
31 is inconsistent, forms the limit that rotate to buckling plate 4, completion closing operation, this structure buckling plate 4 always above semiaxis 3 into
Row waits, and not needing rotation waiting time can directly fasten, so the reset spring of semiaxis 3 does not need too big power, closes a floodgate
Protrusion 43 is constantly in closing position, and snapping power compares that previous structure is smaller, so the tripping force that tripping coil needs is also small,
The reduction that fuse tripping power is also adapted.Improve combined floodgate reliability and the mechanical life of mechanism of mechanism.
Above-mentioned buckling plate 4 includes the buckle 41 being hinged and drives buckle 41 to rotate for being rotated to compress by rotating plate 5
Pawl 42 is provided with the linkage torsional spring for making pawl 42 and buckle 41 link, the tug between the pawl 42 and buckle 41
The side of rotating plate 5 is arranged in son 42, and the buckle 41 is contradicted with semiaxis 3 to be arranged.By 4 split settings of buckling plate at this form,
Structure is simple, and the linkage of pawl 42 and buckle 41 is realized by a linkage torsional spring, plays the role of limit and buffering, keeps away
Exempt from the rigid connection being wholely set, since by biggish active force, unitary rigid connection is easily deformed damage, sets so for a long time
Set the stability for further increasing structure, prolonged mechanical service life.
Above-mentioned rotating plate 5 includes connecting plate 51, the first roller 52 and the second roller 53, and described 51 one end of connecting plate is hinged end
And it is hinged with bracket 1, the other end is working end and contradicts setting with pawl 42, and second roller 53 is rotatably arranged on connecting plate
51 working end, first roller 52, which is rotatably arranged between working end and connecting pin and contradicts with cam 21, to be arranged.Pass through
Roller increases contact area, guarantees the stability of contact, guarantees using effect.
The above embodiments are only the preferred embodiment of the utility model, and the right of the utility model cannot be limited with this
Range, therefore, equivalent variations made according to the patent scope of the utility model, such as using similar technique, similar structures
Equivalent product is still fallen within the scope of the utility model.
Claims (3)
1. second level tripping mechanism in a kind of on-load switch, including bracket, rotation is provided with rotating plate, operating shaft and half on the bracket
Axis is provided with buckling groove on the semiaxis, and cam is fixedly installed in the operating shaft, and the cam and rotating plate contradict to form behaviour
Make the transmission of axis and rotating plate, it is characterised in that: also rotation is provided with buckling plate on the bracket, and described buckling plate one end is set to
Cam side, the other end are buckling end and are set on the upside of buckling groove that the buckling end is provided with for being compressed drive by rotating plate
The combined floodgate protrusion contradicted with buckling groove is realized in buckling plate rotation, is additionally provided on the buckling plate for making to close after semiaxis rotates
The reduction torsion spring of lock protrusion disengaging buckling groove.
2. second level tripping mechanism in on-load switch according to claim 1, it is characterised in that: the buckling plate includes mutual
Hinged buckle and the pawl for being compressed drive buckle rotation by rotating plate rotation, are provided between the pawl and buckle and are used for
The side of rotating plate is arranged in the linkage torsional spring for making pawl and buckle link, the pawl, and the buckle and semiaxis, which contradict, to be arranged.
3. second level tripping mechanism in on-load switch according to claim 1 or 2, it is characterised in that: the rotating plate includes connecting
Fishplate bar, the first roller and the second roller, the one end of the connection board are hinged end and hinged with bracket, the other end be working end and with
Pawl contradicts setting, and second roller is rotatably arranged on the working end of connecting plate, and first roller is rotatably arranged on work
It contradicts between end and connecting pin and with cam and is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672020.3U CN209183486U (en) | 2018-10-15 | 2018-10-15 | Second level tripping mechanism in on-load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672020.3U CN209183486U (en) | 2018-10-15 | 2018-10-15 | Second level tripping mechanism in on-load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209183486U true CN209183486U (en) | 2019-07-30 |
Family
ID=67361350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821672020.3U Expired - Fee Related CN209183486U (en) | 2018-10-15 | 2018-10-15 | Second level tripping mechanism in on-load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209183486U (en) |
-
2018
- 2018-10-15 CN CN201821672020.3U patent/CN209183486U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 325000 No.4, dawi Road, Xinqiao street, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: XINJI ELECTRIC APPLIANCE Co.,Ltd. Address before: Ouhai District of Zhejiang Province, Wenzhou City, 325000 new high tech Industrial Park, Dave Road No. 4 Patentee before: XINJI ELECTRIC APPLIANCE Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20211015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |