CN214588519U - Universal circuit breaker key lock with electric protection - Google Patents
Universal circuit breaker key lock with electric protection Download PDFInfo
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- CN214588519U CN214588519U CN202121192645.1U CN202121192645U CN214588519U CN 214588519 U CN214588519 U CN 214588519U CN 202121192645 U CN202121192645 U CN 202121192645U CN 214588519 U CN214588519 U CN 214588519U
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- circuit breaker
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- rotating plate
- locking rotating
- locking
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Abstract
The utility model discloses an universal breaker key lock with electric protection, which comprises a mounting seat, a lock core, a locking rotating plate and a microswitch; the mounting seat comprises a supporting plate and a supporting block, one end of the lock cylinder correspondingly extends into the mounting hole in the supporting plate, the other end of the lock cylinder is fixedly connected with a locking rotating plate, the locking rotating plate is abutted against the supporting block, and the microswitch is arranged on the mounting seat; when the lock cylinder rotates to a locking position, the locking rotating plate is abutted against a closing half shaft of the circuit breaker, the locking rotating plate touches the microswitch, and a normally open contact of the microswitch is connected in series with a closing electromagnet of the circuit breaker; when the lock cylinder rotates to the separation position, the locking rotating plate is separated from a closing half shaft of the circuit breaker, the locking rotating plate is separated from the microswitch, and a normally closed contact of the microswitch is connected with a closing electromagnet of the circuit breaker in series. The advantages are that: but locking commentaries on classics board locking circuit breaker's combined floodgate semi-axis guarantees that the combined floodgate electro-magnet can not get electric when the position of circuit breaker locking, avoids the electro-magnet to get electric for a long time and causes the scaling loss.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to a take electrical protection's universal circuit breaker key lock.
Background
When a key lock in the conventional universal circuit breaker is in a locking position, a closing electromagnet of the circuit breaker can be powered on to perform closing action, but a circuit breaker mechanism cannot normally close, so that a coil is burnt out after the closing electromagnet is powered on for a long time, the circuit cannot be closed again, and even a fire disaster occurs; meanwhile, when the key lock is in a locking position, an electrical indication signal is not output externally, obvious indication is not output for a user, the above reasons are integrated, and the danger caused by misoperation of the user is avoided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take electrical protection's universal circuit breaker key lock to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a universal breaker key lock with electric protection comprises a mounting seat, a lock cylinder, a locking rotating plate and a microswitch; the installation seat comprises a support plate and support blocks which are arranged in parallel at intervals, the support plate and the support blocks vertically extend upwards, an installation hole which horizontally penetrates through two opposite sides of the support plate is formed in the support plate, one end of the lock cylinder correspondingly extends into the installation hole, the other end of the lock cylinder is fixedly connected with a locking rotating plate, one side, far away from the support plate, of the locking rotating plate abuts against one side, close to the support plate, of the support block, and the micro switch is arranged on the installation seat; when the lock cylinder rotates to a locking position, the locking rotating plate pushes against a closing half shaft of the circuit breaker, the locking rotating plate touches the microswitch, and a normally open contact of the microswitch is connected in series with a closing electromagnet of the circuit breaker; when the lock cylinder rotates to the separation position, the locking rotating plate is separated from a closing half shaft of the circuit breaker, the locking rotating plate is separated from the microswitch, and a normally closed contact of the microswitch is connected with a closing electromagnet of the circuit breaker in series.
Preferably, the lock cylinder comprises a first connector, a stop block and a second connector which are coaxially arranged, the diameter of the first connector is larger than that of the stop block, and the diameter of the stop block is larger than that of the second connector; the first connecting head correspondingly extends into the mounting hole, and the locking rotating plate is correspondingly connected to the second connecting head.
Preferably, the stop block is engaged with a nut coaxial with the stop block at the periphery, and two opposite sides of the nut perpendicular to the axis of the nut are respectively in corresponding contact with the support plate and the locking rotating plate.
Preferably, the locking rotating plate comprises a connecting plate, a touch plate and a connecting block which are integrally formed or respectively and independently arranged and fixedly connected, one end of the connecting plate is connected with one end of the touch plate through the connecting block, and the connecting plate is parallel to the touch plate.
Preferably, the connecting plate is provided with a connecting hole, the first connecting head correspondingly extends into the connecting hole, and one side of the connecting plate, which is close to the supporting plate, is correspondingly attached and contacted with the nut.
Preferably, one side, far away from the supporting plate, of the touch plate is correspondingly abutted against the supporting block, and one end, far away from the connecting plate, of the touch plate extends out of the mounting seat.
Preferably, one end of the touch plate, which is far away from the connecting plate, is of an arc structure protruding outwards.
The utility model has the advantages that: 1. the locking rotating plate can lock a switching-on half shaft of the circuit breaker to enable the circuit breaker not to be switched on, the microswitch can protect a switching-on electromagnet of the circuit breaker, the switching-on electromagnet cannot be electrified when the circuit breaker is locked, and burning loss caused by long-term electrification of the electromagnet is avoided. 2. The microswitch can output a circuit breaker locking state signal to the outside, provides obvious indication for an operator, avoids danger caused by misoperation of the operator, and improves the reliability and the safety of the use of the universal circuit breaker.
Drawings
Fig. 1 is a schematic structural diagram of a key lock according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mounting seat in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the lock cylinder in the embodiment of the present invention;
fig. 4 is a schematic structural view of a locking rotating plate in the embodiment of the present invention;
fig. 5 is a schematic structural view of a micro switch and an installation position in an embodiment of the present invention;
fig. 6 is a schematic structural view of the key lock installed on the circuit breaker according to the embodiment of the present invention;
FIG. 7 is an electrical schematic of a key lock locking position in an embodiment of the present invention;
fig. 8 is an electrical schematic diagram of a key lock disengagement position in an embodiment of the present invention.
In the figure: 1. a mounting seat; 2. a support plate; 3. a support block; 4. mounting holes; 5. a first connector; 6. a stopper; 7. a second connector; 8. a connecting plate; 9. connecting blocks; 10. a touch plate; 11. connecting holes; 12. a hollow-out section; 13. a nut; 14. a microswitch; 15. a key lock; 16. and a switching-on half shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
As shown in fig. 1 to 8, in the present embodiment, an electrical protection universal breaker key lock is provided, which comprises a mounting base 1, a lock cylinder, a locking rotating plate and a microswitch 14; the mounting seat 1 comprises a supporting plate 2 and supporting blocks 3 which are arranged in parallel at intervals, the supporting plate 2 and the supporting blocks 3 vertically extend upwards, mounting holes 4 which horizontally penetrate through two opposite sides of the supporting plate 2 are formed in the supporting plate 2, one end of the lock cylinder correspondingly extends into the mounting holes 4, the other end of the lock cylinder is fixedly connected with a locking rotating plate, one side, far away from the supporting plate 2, of the locking rotating plate abuts against one side, close to the supporting plate 2, of the supporting block 3, and the microswitch 14 is arranged on the mounting seat 1; when the lock cylinder rotates to a locking position, the locking rotating plate pushes against a closing half shaft 16 of the circuit breaker, the locking rotating plate touches the microswitch 14, and a normally open contact of the microswitch 14 is connected in series with a closing electromagnet of the circuit breaker; when the lock cylinder rotates to the separation position, the locking rotating plate is separated from a closing half shaft 16 of the circuit breaker, the locking rotating plate is separated from the microswitch 14, and a normally closed contact of the microswitch 14 is connected in series with a closing electromagnet of the circuit breaker.
In this embodiment, the key lock 15 locks the closing half shaft 16 of the circuit breaker through the locking rotating plate, so as to realize the function that the circuit breaker cannot be closed. When the lock core rotated to the locking position, locking revolving plate pin the combined floodgate semi-axis 16 of circuit breaker, realize the unable combined floodgate of circuit breaker, simultaneously, locking revolving plate touches micro-gap switch 14, micro-gap switch 14's normally open contact and combined floodgate electro-magnet are established ties, realize the circuit breaker when the locking position, closed electro-magnet can't be got electric, avoid the long-time circular telegram of combined floodgate electro-magnet to burn out, guarantee the circuit breaker can not combined floodgate when the protection electro-magnet, circuit breaker locking's electrical indication signal can be exported to another group of normally closed contact of micro-gap switch 14, make clear and definite circuit breaker locking state instruction for operating personnel, avoid the danger that operating personnel maloperation brought. When the lock core rotates to the separation position, the locking rotating plate is separated from a closing half shaft 16 of the circuit breaker, the closing half shaft 16 of the circuit breaker can normally rotate, the locking rotating plate is separated from the microswitch 14, the contact of the microswitch 14 is switched, the normally closed contact of the microswitch 14 is connected with a closing electromagnet in series, the closing electromagnet is electrified, the circuit breaker can normally close, the other group of normally open contacts of the microswitch 14 is switched to be in a state output signal, the locking state is switched to be in a closing state, and the output of an external signal is realized.
In this embodiment, as shown in fig. 3, the lock cylinder includes a first connector 5, a stopper 6, and a second connector 7, which are coaxially disposed, a diameter of the first connector 5 is greater than a diameter of the stopper 6, and a diameter of the stopper 6 is greater than a diameter of the second connector 7; the first connector 5 correspondingly extends into the mounting hole 4, and the locking rotating plate is correspondingly connected to the second connector 7.
In this embodiment, the stopper 6 is engaged with a nut 13 coaxial therewith on the outer periphery thereof, and opposite sides of the nut 13 perpendicular to the axis thereof are respectively in corresponding contact with the support plate 2 and the locking rotating plate.
In this embodiment, as shown in fig. 4, the locking rotating plate includes a connecting plate 8, a touch plate 10 and a connecting block 9, which are integrally formed or separately and fixedly connected, one end of the connecting plate 8 is connected to one end of the touch plate 10 through the connecting block 9, and the connecting plate 8 and the touch plate 10 are parallel to each other.
For the convenience of manufacture, the locking rotating plate is generally manufactured by integral molding, and the connecting plate 8, the touch plate 10 and the connecting block 9 are integrally molded. In order to reduce the weight of the locking rotating plate, a hollow-out portion 12 may be provided on the touch plate 10, and the shape of the hollow-out portion 12 is the same as that of the touch plate 10.
In this embodiment, be provided with connecting hole 11 on the connecting plate 8, first connector 5 corresponds and stretches into in the connecting hole 11, one side that the connecting plate 8 is close to backup pad 2 with nut 13 corresponds the laminating contact.
In this embodiment, one side of the touch plate 10 away from the supporting plate 2 correspondingly abuts against the supporting block 3, and one end of the touch plate 10 away from the connecting plate 8 extends out of the mounting base 1.
In this embodiment, an end of the touch plate 10 away from the connecting plate 8 is an arc structure protruding outward.
In this embodiment, as shown in fig. 6 to 8, the key lock 15 is integrally assembled on the cover plate of the universal circuit breaker through the mounting base 1, and is used for locking the closing half shaft 16 of the circuit breaker, so that the circuit breaker cannot be closed.
In this embodiment, the key lock 15 has the following working principle:
when the lock core rotated to the locking position, the one end that touches board 10 is the arc structure was contradicted at the combined floodgate semi-axis 16 of circuit breaker, the combined floodgate semi-axis 16 of circuit breaker can't rotate, realize the unable combined floodgate of circuit breaker, simultaneously, touch board 10 touches micro-gap switch 14, micro-gap switch 14's normally open contact and combined floodgate electro-magnet are established ties, realize the circuit breaker when the locking position, the closed electro-magnet can't be electrified, avoid combined floodgate electro-magnet to be circular telegram for a long time and burn out, ensure that the circuit breaker can not close a floodgate when the protection electro-magnet, the electrical indication signal of circuit breaker locking can be exported to another group's normally closed contact of micro-gap switch 14, make clear and definite circuit breaker locking state instruction for operating personnel, avoid the danger that operating personnel maloperation brought. When the lock core rotated to the isolated position, the one end that touches board 10 and be the arc structure was separated with the combined floodgate semi-axis 16 of circuit breaker, the combined floodgate semi-axis 16 of circuit breaker can normally be rotatory, the board is changeed with micro-gap switch 14 separation to the locking simultaneously, micro-gap switch 14 contact switching, micro-gap switch 14's normally closed contact and combined floodgate electro-magnet are established ties, the combined floodgate electro-magnet is electrified, the circuit breaker can normally be combined floodgate, another group of normally open contact of micro-gap switch 14 carries out the switching of state output signal, but locking state switching is switched into combined floodgate state, realize external signal output.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the utility model provides a but electrified pneumatic protection's conventional circuit breaker key lock, locking commentaries on classics board locking circuit breaker's combined floodgate semi-axis makes it can not close a floodgate, and micro-gap switch can protect the combined floodgate electro-magnet of circuit breaker, guarantees that combined floodgate electro-magnet can not be got electricity when the position that the circuit breaker pins, avoids the electro-magnet to get electricity for a long time and causes the scaling loss. The microswitch can output a circuit breaker locking state signal to the outside, provides obvious indication for an operator, avoids danger caused by misoperation of the operator, and improves the reliability and the safety of the use of the universal circuit breaker.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (7)
1. The utility model provides a take electrical protection's conventional circuit breaker key lock which characterized in that: comprises a mounting seat, a lock cylinder, a locking rotating plate and a microswitch; the installation seat comprises a support plate and support blocks which are arranged in parallel at intervals, the support plate and the support blocks vertically extend upwards, an installation hole which horizontally penetrates through two opposite sides of the support plate is formed in the support plate, one end of the lock cylinder correspondingly extends into the installation hole, the other end of the lock cylinder is fixedly connected with a locking rotating plate, one side, far away from the support plate, of the locking rotating plate abuts against one side, close to the support plate, of the support block, and the micro switch is arranged on the installation seat; when the lock cylinder rotates to a locking position, the locking rotating plate pushes against a closing half shaft of the circuit breaker, the locking rotating plate touches the microswitch, and a normally open contact of the microswitch is connected in series with a closing electromagnet of the circuit breaker; when the lock cylinder rotates to the separation position, the locking rotating plate is separated from a closing half shaft of the circuit breaker, the locking rotating plate is separated from the microswitch, and a normally closed contact of the microswitch is connected with a closing electromagnet of the circuit breaker in series.
2. The key lock with electrical protection for universal circuit breaker of claim 1, wherein: the lock core comprises a first connector, a stop block and a second connector which are coaxially arranged, the diameter of the first connector is larger than that of the stop block, and the diameter of the stop block is larger than that of the second connector; the first connecting head correspondingly extends into the mounting hole, and the locking rotating plate is correspondingly connected to the second connecting head.
3. The key lock with electrical protection for universal circuit breaker of claim 2, wherein: the periphery of the stop block is engaged with a nut coaxial with the stop block, and two opposite sides of the nut vertical to the axis of the nut are respectively in corresponding contact with the support plate and the locking rotating plate.
4. The key lock with electrical protection for universal circuit breaker of claim 3, wherein: the locking rotating plate comprises a connecting plate, a touch plate and a connecting block which are integrally formed or respectively and independently arranged and fixedly connected, one end of the connecting plate is connected with one end of the touch plate through the connecting block, and the connecting plate is parallel to the touch plate.
5. The key lock with electrical protection for universal circuit breaker of claim 4, wherein: the connecting plate is provided with a connecting hole, the first connecting head correspondingly extends into the connecting hole, and one side of the connecting plate, which is close to the supporting plate, is correspondingly attached and contacted with the nut.
6. The key lock with electrical protection for universal circuit breaker of claim 5, wherein: one side, far away from the supporting plate, of the touch plate is correspondingly abutted to the supporting block, and one end, far away from the connecting plate, of the touch plate extends out of the mounting seat.
7. The key lock with electrical protection for universal circuit breaker of claim 6, wherein: and one end of the touch plate, which is far away from the connecting plate, is of an arc structure protruding outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121192645.1U CN214588519U (en) | 2021-05-31 | 2021-05-31 | Universal circuit breaker key lock with electric protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121192645.1U CN214588519U (en) | 2021-05-31 | 2021-05-31 | Universal circuit breaker key lock with electric protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214588519U true CN214588519U (en) | 2021-11-02 |
Family
ID=78330017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121192645.1U Active CN214588519U (en) | 2021-05-31 | 2021-05-31 | Universal circuit breaker key lock with electric protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214588519U (en) |
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2021
- 2021-05-31 CN CN202121192645.1U patent/CN214588519U/en active Active
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