CN209087661U - A kind of safety knife switch - Google Patents
A kind of safety knife switch Download PDFInfo
- Publication number
- CN209087661U CN209087661U CN201821729045.2U CN201821729045U CN209087661U CN 209087661 U CN209087661 U CN 209087661U CN 201821729045 U CN201821729045 U CN 201821729045U CN 209087661 U CN209087661 U CN 209087661U
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- China
- Prior art keywords
- plate
- touch panel
- guard plate
- knife
- protection
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Abstract
The utility model provides a kind of safety knife switch, including moving touch panel, protective plate and static contact panel, the dynamic touch panel bottom surface is equipped with knife plate, the knife plate two sides are equipped with the first guard plate, the second guard plate is equipped between first guard plate and the knife plate, the first spring is equipped between the top of second guard plate and the dynamic touch panel, the protective plate protects square hole there are two setting, protection inclined plate is equipped in the protection square hole, the second guard plate block is equipped on the outside of the protection inclined plate, second spring is equipped between the bottom end and the protection square hole side of the protection inclined plate, conductive trough is equipped at the top of the static contact panel, arc fishplate bar is equipped in the conductive trough, the top and bottom of the arc fishplate bar are equipped with third spring between the conductive trough side respectively, the middle part of the arc fishplate bar is equipped with conducting block, the conductive trough is equipped with quiet Contact；The utility model can protect plug-in strip in separating brake, and buffer zone electrical accessory always during divide-shut brake prevents from getting an electric shock.
Description
Technical field
The utility model relates to electrical plug-in strip fields, and in particular to a kind of safety knife switch.
Background technique
In the power system, the application of plug-in strip is very extensive, and the safety of plug-in strip is very important, but general lock
Knife protects not in place in separating brake, is easily accessible sundries, has an impact to the electrical property of plug-in strip, especially plug-in strip in separating brake and
It closes a floodgate and realizes on powered off and on time point, the device for power on/off is electrification, in this special occasion, is easy to happen touching
Electric event.
Utility model content
In order to overcome drawbacks described above, the utility model provides a kind of safety knife switch, and plug-in strip, division can be protected in separating brake
Buffer zone electrical accessory always during lock, prevents from getting an electric shock.
The utility model provides the following technical solution:
A kind of safety knife switch, including dynamic touch panel, protective plate and static contact panel, the protective plate are set to the dynamic touch panel and institute
It states between static contact panel, the protective plate is hinged with the dynamic touch panel and the static contact panel respectively, and the dynamic touch panel bottom surface is equipped with two
A knife plate, the knife plate is vertical with the dynamic touch panel to be connect, and the knife plate two sides are equipped with the first guard plate, first safety
Be equipped with the second guard plate between plate and the knife plate, second guard plate respectively with first guard plate and the knife plate it
Between be equipped with and sliding slot and connected by the sliding slot, equipped with the first spring between the top of second guard plate and the dynamic touch panel
And it is connected by first spring；
The protective plate is set there are two square hole is protected, and the protection square hole is in the protective plate, the protection square hole
Equipped with symmetrical two protection inclined plate, the second guard plate block, the top of the protection inclined plate are equipped on the outside of the protection inclined plate
Movable axis is equipped between the protection square hole top sides and by the activity axis connection, the bottom end of the protection inclined plate and
It is equipped with second spring between the protection square hole side and is connected by the second spring；
It is set at the top of the static contact panel there are two conductive trough, is equipped with symmetrical two arc fishplate bars in the conductive trough, two
Gap is equipped between the arc fishplate bar, the top and bottom of the arc fishplate bar are equipped between the conductive trough side respectively
Third spring is simultaneously connected by the third spring, and the middle part of the arc fishplate bar is equipped with conducting block, the conductive trough be equipped with
The corresponding static contact in the conducting block position；The knife plate, the protection square hole and the conductive groove location correspond to each other.
Preferably, insulation handle is equipped at the top of the dynamic touch panel.
Preferably, the dynamic touch panel, the protective plate, the static contact panel, first guard plate, second safety
Plate, the protection inclined plate, the second guard plate block and the arc fishplate bar are made of isolation material.
Preferably, between the dynamic touch panel bottom surface and the protection plate top surface and protective plate bottom surface and the static contact panel
Rubber pad is equipped between top surface.
Preferably, it is equipped between the protective plate and the static contact panel and buckles and snapped connection by described.
Preferably, first guard plate is vertical with the dynamic touch panel connect, first guard plate, the knife plate and
Second guard plate is parallel to each other.
The beneficial effects of the utility model are: the second guard plate of the first spring of the first guard plate and connection, it can be fine
The side for protecting knife plate, when so that knife plate not leaving static contact panel completely, knife plate can be made to be not exposed to the external world, guarantee peace
Entirely, it is unlikely to lead to electric shock accidents because not fully powered-off；Connecting the protection inclined plate of second spring and protecting has second on inclined plate
The position of guard plate block, the second guard plate block has corresponded to the position of static contact, presses to static contact in conductive trough in knife plate
The first guard plate and the second guard plate are blocked in position, and leaving behind knife plate can pass through, and are exposed to knife plate in conductive trough, in knife
When plate does not enter protection square hole, second spring stretches naturally, so that two protection inclined plate contacts are close to, provide and blocks for conductive trough
Protection；And there is conducting block corresponding with static contact position on the arc fishplate bar and arc fishplate bar of third spring connection, in knife plate
Before not entering into, third spring stretches naturally, and two static contacts, conducting blocks are all that discrete state is separating brake, when knife plate enters
Between two arc fishplate bars, it is connected between two static contacts to close a floodgate.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model static contact panel and protection plate structure schematic diagram；
Fig. 2 is that touch panel structural schematic diagram is moved in the utility model position；
Fig. 3 is the utility model structure disengaged position schematic diagram；
In the figure, it is marked as 1, dynamic touch panel；11, the first guard plate；12, the second guard plate；13, the first spring；14, knife plate；
2, protective plate；21, inclined plate is protected；22, second spring；23, the second guard plate block；3, static contact panel；31, arc fishplate bar；32,
Three springs；33, conducting block；34, static contact.
Specific embodiment
As shown in Figure 1-3, the utility model includes dynamic touch panel 1, protective plate 2 and static contact panel 3, protective plate 2 is set to dynamic touching
Between plate 1 and static contact panel 3, protective plate 2 is hinged with dynamic touch panel 1 and static contact panel 3 respectively, and dynamic 1 bottom surface of touch panel is set there are two knife plate 14,
Knife plate 14 is vertical with dynamic touch panel 1 to be connect, and 14 two sides of knife plate are equipped with the first guard plate 11, between the first guard plate 11 and knife plate 14
Equipped with the second guard plate 12, it is all provided between the second guard plate 12 and knife plate 14 between the second guard plate 12 and the first guard plate 11
There is sliding slot and is connected by sliding slot, the first spring 13 is equipped between the top and dynamic touch panel 1 of the second guard plate 12 and passes through first
Spring 13 connects, and the second guard plate 12 of the first spring 13 of the first guard plate 11 and connection can be good at protecting knife plate 14
Side, when so that knife plate 14 not leaving static contact panel 3 completely, knife plate 14 can be made to be not exposed to the external world, guarantee safety, be unlikely to
Lead to electric shock accidents because not fully powered-off, protective plate 2 is set there are two square hole is protected, and protection square hole runs through protective plate 2, protects square hole
It is interior to be equipped with symmetrical two protection inclined plate 21, it protects and is equipped with the second guard plate block 23 on the outside of inclined plate 21, protect the top of inclined plate 21
End and protection square hole top sides are equipped with movable axis between and by the activity axis connections, protect bottom end and the protection of inclined plate 21
Be equipped with second spring 22 between square hole side and connected by second spring 22, connect the protection inclined plate 21 of second spring 22 and
There is the second guard plate block 23 on protection inclined plate 21, the position of the second guard plate block 23 has corresponded to the position of static contact 34,
Knife plate 14 presses to the position of static contact 34 in conductive trough, blocks the first guard plate 11 and the second guard plate 12, leaves behind knife plate 14
It can pass through, be exposed to knife plate 14 in conductive trough, when knife plate 14 does not enter protection square hole, second spring 22 stretches naturally,
So that two protection inclined plate 21 contacts are close to, are provided for conductive trough and block protection；Conductive trough there are two setting at the top of static contact panel 3, leads
Be equipped with symmetrical two arc fishplate bars 31 in electric slot, be equipped with gap between two arc fishplate bars 31, the top of arc fishplate bar 31 and
Bottom is equipped with third spring 32 between conductive trough side respectively, and the middle part of arc fishplate bar 31 is equipped with conducting block 33, and conductive trough is set
There is static contact 34 corresponding with 33 position of conducting block, has on the arc fishplate bar 31 and arc fishplate bar 31 being connect with third spring 32
Conducting block 33 corresponding with 34 position of static contact, before knife plate 14 does not enter into, third spring 32 stretches naturally, two stationary contacts
Piece 34, conducting block 33 are all that discrete state is separating brake, when knife plate 14 enters between two arc fishplate bars 31, two static contacts 34 it
Between be connected to for close a floodgate；Knife plate 14, protection square hole and conductive groove location correspond to each other；
Be equipped with insulation handle at the top of dynamic touch panel 1, facilitate and control raising and depressing for dynamic touch panel 1, move touch panel 1, protective plate 2,
Static contact panel 3, the first guard plate 11, the second guard plate 12, protection inclined plate 21, the second guard plate block 23 and arc fishplate bar 31 are equal
It is made of isolation material, is all provided between 3 top surface of 2 bottom surface of protective plate and static contact panel between dynamic 2 top surface of 1 bottom surface of touch panel and protective plate
There is rubber pad, work as a buffer, is equipped between protective plate 2 and static contact panel 3 and buckles and be connected by a snap, facilitate control protective plate
Division between 2 and static contact panel 3 facilitates maintenance, and the first guard plate 11 is vertical with dynamic touch panel 1 to be connect, the first guard plate 11, knife plate
14 and second guard plate 12 it is parallel to each other.
The principles of the present invention and advantage are as follows: by moving raising and pressing for the slippage state manual control braking touch panel 1 on touch panel 1
Close, when needing to close a floodgate, dynamic touch panel 1 depressed, during pressure, into protection square hole in the second guard plate 12 it is first
Protection inclined plate 21 is first touched, continues to depress, the second guard plate 12 receives the effect of power with protection inclined plate 21, at this time the first spring
13 and second spring 22 will all be compressed, until the first guard plate 11, the second guard plate 12 are all kept off by the second guard plate block 23
Firmly, the first spring 13 and second spring 22 are compressed to utmostly, and at the same time, knife plate 14 enters conductive trough, and by
The gap between two arc fishplate bars 31 is gradually opened, effect of two arc fishplate bars 31 by power is connect with arc fishplate bar 31
Third spring 32 is compressed, until conducting block 33 touches static contact 34, so far, is passed through between the static contact 34 of conductive trough two sides
Reach electrical communication by two conducting blocks 33 and knife plate 14, in this case, dynamic touch panel 1 is pressed together on 2 top surface of protective plate completely；
In the state of separating brake, the first spring 13 stretches naturally, and the second guard plate 12 will block knife plate 14, and knife plate 14 only has
Bottom part exposure air, and the bottom of the second guard plate 12 is protruded than the bottom of knife plate 14, knife plate 14 are to sink into two the
Between two guard plates 12；Second spring 22 stretches naturally, and the bottom of protection inclined plate 21 is propped up, and two protection inclined plates 21 squeeze
Contact, so that protection square hole is blocked, conductive slot part is also blocked, and will not directly expose；Third spring 32 stretches naturally, leads
Electric block 33 is in discrete state with static contact 34.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (6)
1. a kind of safety knife switch, which is characterized in that including dynamic touch panel, protective plate and static contact panel, the protective plate is set to described
Between dynamic touch panel and the static contact panel, the protective plate is hinged with the dynamic touch panel and the static contact panel respectively, the dynamic touch panel
Bottom surface is set there are two knife plate, and the knife plate is vertical with the dynamic touch panel to be connect, and the knife plate two sides are equipped with the first guard plate, institute
It states and is equipped with the second guard plate between the first guard plate and the knife plate, between second guard plate and first guard plate,
It is equipped with sliding slot between second guard plate and the knife plate and is connected by the sliding slot, the top of second guard plate
It is equipped with the first spring between the dynamic touch panel and is connect by first spring；
The protective plate is set there are two square hole is protected, and the protection square hole runs through the protective plate, is equipped in the protection square hole
Symmetrical two protection inclined plate, the protection inclined plate outside are equipped with the second guard plate block, the top of the protection inclined plate and institute
State protection square hole top sides and be equipped with movable axis between and by the activity axis connection, the bottom end for protecting inclined plate with it is described
It is equipped with second spring between protection square hole side and is connected by the second spring；
It is set at the top of the static contact panel there are two conductive trough, the conductive trough is interior to be equipped with symmetrical two arc fishplate bars, described in two
Gap is equipped between arc fishplate bar, the top and bottom of the arc fishplate bar are equipped with third between the conductive trough side respectively
Spring is simultaneously connected by the third spring, and the middle part of the arc fishplate bar is equipped with conducting block, is equipped with and institute in the conductive trough
State the corresponding static contact in conducting block position；The knife plate, the protection square hole and the conductive groove location correspond to each other.
2. a kind of safety knife switch according to claim 1, which is characterized in that be equipped with insulation handle at the top of the dynamic touch panel.
3. a kind of safety knife switch according to claim 1, which is characterized in that the dynamic touch panel, the protective plate, described quiet
Touch panel, first guard plate, second guard plate, the protection inclined plate, the second guard plate block and the arc
Shape fishplate bar is made of isolation material.
4. a kind of safety knife switch according to claim 1, which is characterized in that the dynamic touch panel bottom surface and the protective plate top
Rubber pad is equipped between the protective plate bottom surface and the stationary contact plate top surface between face.
5. a kind of safety knife switch according to claim 1, which is characterized in that set between the protective plate and the static contact panel
Have and buckles and snapped connection by described.
6. a kind of safety knife switch according to claim 1, which is characterized in that first guard plate and the dynamic touch panel hang down
Direct-connected to connect, first guard plate, the knife plate and second guard plate are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821729045.2U CN209087661U (en) | 2018-10-25 | 2018-10-25 | A kind of safety knife switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821729045.2U CN209087661U (en) | 2018-10-25 | 2018-10-25 | A kind of safety knife switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209087661U true CN209087661U (en) | 2019-07-09 |
Family
ID=67120567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821729045.2U Active CN209087661U (en) | 2018-10-25 | 2018-10-25 | A kind of safety knife switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209087661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300227A (en) * | 2021-06-08 | 2021-08-24 | 江苏澄暨阳电力设备有限公司 | Low-voltage switchgear with protective structure |
-
2018
- 2018-10-25 CN CN201821729045.2U patent/CN209087661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300227A (en) * | 2021-06-08 | 2021-08-24 | 江苏澄暨阳电力设备有限公司 | Low-voltage switchgear with protective structure |
| CN113300227B (en) * | 2021-06-08 | 2024-03-29 | 江苏澄暨阳电力设备有限公司 | Low-voltage switchgear with protection structure |
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