CN208208686U - The electric leakage of leakage circuit breakers indicates protection mechanism - Google Patents
The electric leakage of leakage circuit breakers indicates protection mechanism Download PDFInfo
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- CN208208686U CN208208686U CN201820931554.7U CN201820931554U CN208208686U CN 208208686 U CN208208686 U CN 208208686U CN 201820931554 U CN201820931554 U CN 201820931554U CN 208208686 U CN208208686 U CN 208208686U
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- 238000010586 diagram Methods 0.000 description 16
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Abstract
The utility model provides a kind of electric leakage instruction protection mechanism of leakage circuit breakers, and the electric leakage instruction protection mechanism of leakage circuit breakers includes: shell (1), handle (2), instruction button (3), instruction button spring (4), electric leakage lock (5), electric leakage latch spring (6), buckle releaser mandril (7), tripping (8), lock (9) and draw bar (10).Advantage are as follows: (1) when route failure causes circuit breaker tripping to disconnect, can be realized electric leakage tripping indicative function, so that personnel convenient to overhaul quickly judge that leak current fault occurs；(2) when route failure causes circuit breaker tripping to disconnect, tripping part relevant to operation handle can be stopped, leakage circuit breakers is prevented to be closed again, so that the case where effectively preventing service personnel's maloperation and then connecting route, ensure that the safety of service personnel.
Description
Technical field
The utility model belongs to leakage circuit breakers mechanism technology field, and in particular to a kind of electric leakage instruction of leakage circuit breakers
Protection mechanism.
Background technique
With the development of low-voltage circuit breaker scientific and technological level, the electricity consumption of routine work and life is increasing, in order to ensure
The safety of electricity consumption, breaker are widely applied in smart grid, wherein the disconnection of leakage circuit breakers and closure be by
Come what is realized, some leakage circuit breakers currently produced on the market are specified when occurring in route for operation handle and transmission mechanism
Leakage current and after causing leakage circuit breakers tripping to disconnect, directly operation handle leakage circuit breakers closure can be made to connecting line
Road.Then in practical application, such case have the defects that it is certain, i.e., when route failure cause circuit breaker tripping to disconnect
When, one service personnel can not judge that leakage circuit breakers is because which kind of failure leads to its disconnection, for example, short circuit, overload or electric leakage
Etc. failures etc., to bring certain difficulty to service personnel's investigation.Secondly being easy when route needs personnel to overhaul by people's maloperation
And then route is connected, to bring very big security threat to service personnel.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of electric leakage instruction protection machine of leakage circuit breakers
Structure can effectively solve the above problems.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of electric leakage instruction protection mechanism of leakage circuit breakers, comprising: shell (1), handle (2),
Instruction button (3), instruction button spring (4), electric leakage lock (5), electric leakage latch spring (6), buckle releaser mandril (7), tripping
(8), (9) and draw bar (10) are latched；
The instruction button (3) is movable up and down to be installed in the vertical slots that the shell (1) opens up；The instruction is pressed
The cylinder (11) being fixedly mounted on the top of button spring (4) and the shell (1) is fixedly connected, the instruction button spring (4)
Bottom end be fixedly connected with barb (31) set on the instruction button (3), and then apply to the instruction button (3) upward
The pulling force of movement；
Electric leakage lock (5) is provided with positioning through hole (56), the positioning through hole (56) and is fixedly installed in shell (1)
Positioning cylinder connection, and then circle the electric leakage lock (5) can around the positioning cylinder；
It is described electric leakage latch spring (6) one end be hung in the 1st barb column (12) set by shell (1), the other end with it is described
Electric leakage lock (5) set by the 2nd barb column (51) be connected, the electric leakage latch spring (6) to the electric leakage latch (5) application around
The positioning cylinder carries out torque rotationally clockwise；
The buckle releaser mandril (7) is installed on the left side of the electric leakage lock (5), and the buckle releaser mandril (7) can control
It is mobile；When the buckle releaser mandril (7) is failure to actuate, the instruction button (3) pressed by external force and electric leakage lock (5)
Occlusion；When the buckle releaser mandril (7) moves right, electric leakage lock (5) is pushed to overcome the spring force of electric leakage latch spring (6)
It rotates counterclockwise, in rotation process, electric leakage lock (5) and instruction button (3) can not carry out occlusal contact condition, instruction button again
(3) pop-up is moved up under the spring-force driven dual of instruction button spring (4)；
The handle (2) is pivotally mounted to the shell (1) above；The tripping (8) is fixedly installed in the shell
(1) internal, one end and the handle (2) of the draw bar (10) hingedly, the other end of the draw bar (10) and the jump
It is hinged to detain (8)；The lock (9) is pivotally mounted to the shell (1) inside by latching shaft (92)；
When the buckle releaser mandril (7) is failure to actuate, the electric leakage lock (5) and the lock (9) are not contacted, the lock
Button (9) is engaged with the tripping (8), the shell (1), the handle (2), the draw bar (10), the tripping (8) and institute
It states lock (9) and constitutes four-bar linkage structure；When the buckle releaser mandril (7) moves right, electric leakage lock (5) is pushed to make counterclockwise
Rotation, electric leakage lock (5) further push lock (9) to be rotated counterclockwise around lock shaft (92), thus make the lock
(9) it is no longer engaged with the tripping (8), therefore, the shell (1), the handle (2), the draw bar (10), the tripping
(8) and the lock (9) can not constitute four-bar linkage structure.
Preferably, face (32) are stopped in instruction button (3) setting instruction button lower part；Electric leakage lock (5) setting with
Stop the electric leakage lock top that face (32) matches and stop face (53) in the instruction button lower part；Stop face (32) in the instruction button lower part
Stop face (53) with electric leakage lock top to be mutually engaged.
Preferably, the shell (1) is provided with the 2nd confined planes (14)；The instruction button (3) is provided in instruction button
Stop face (34) in portion；When the instruction button (3) is popped up, face (34) and the 2nd confined planes (14) are stopped in the instruction button top
After contact, the instruction button (3) does not continue to move up.
The electric leakage instruction protection mechanism of leakage circuit breakers provided by the utility model has the advantage that
(1) when route failure causes circuit breaker tripping to disconnect, it can be realized electric leakage tripping indicative function, thus side
Just service personnel quickly judges that leak current fault occurs；(2) when route failure causes circuit breaker tripping to disconnect, Ke Yizhi
Firmly tripping part relevant to operation handle, prevents leakage circuit breakers to be closed again, to effectively prevent service personnel's maloperation
And then the case where connecting route, it ensure that the safety of service personnel.
Detailed description of the invention
Fig. 1 is the unlocked state schematic diagram of leakage circuit breakers mechanism；
Fig. 2 is that leakage circuit breakers can closing structure schematic diagram；
Fig. 3 is the self-locking state schematic diagram of leakage circuit breakers mechanism；
When Fig. 4 is that leakage circuit breakers is self-locking, structural schematic diagram when can not be closed；
Fig. 5 be leakage circuit breakers mechanism core component assembling after before three-dimensional structure diagram；
Fig. 6 be leakage circuit breakers mechanism core component assembling after behind three-dimensional structure diagram；
Fig. 7 is the three-dimensional structure diagram of instruction button；
Fig. 8 is the three-dimensional structure diagram of electric leakage lock；
Front view when Fig. 9 is instruction button and electric leakage lock occlusive state；
Three-dimensional structure diagram behind when Figure 10 is instruction button and electric leakage lock occlusive state；
Three-dimensional structure diagram before when Figure 11 is instruction button and electric leakage lock occlusive state；
Figure 12 is instruction button and the front view latched when not being engaged that leaks electricity；
Figure 13 is three-dimensional structure diagram when instruction button pops up；
Figure 14 is the three-dimensional structure diagram of lock；
Figure 15 is the three-dimensional structure diagram of tripping；
Front view when Figure 16 is tripping and lock occlusive state；
Three-dimensional structure diagram when Figure 17 is tripping and lock occlusive state；
Figure 18 is three-dimensional structure diagram when tripping is not engaged with lock；
Figure 19 is front view when tripping is not engaged with lock.
Wherein:
1, shell；2, handle；3, instruction button；4, instruction button spring；5, electric leakage lock；6, leak electricity latch spring；7,
Buckle releaser mandril；8, tripping；9, it latches；10, draw bar；
11, cylinder；12, the 1st barb column；13, the 1st confined planes；14, the 2nd confined planes；
31, barb；32, face is stopped in instruction button lower part；33, the 3rd confined planes；34, face is stopped on instruction button top；
51, the 2nd barb column；52, left tripping face；53, face is stopped on electric leakage lock top；54, right tripping face；55, small arc surface；
56- positioning through hole；
91, tripping arc surface.92- latches shaft.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
The utility model provides a kind of electric leakage instruction protection mechanism of leakage circuit breakers, is especially mountable to low-voltage miniature leakage
In electrical circuit breakers, main function is two o'clock: (1) when route failure causes circuit breaker tripping to disconnect, can be realized electric leakage
Tripping indicative function, so that personnel convenient to overhaul quickly judge that leak current fault occurs；(2) when route failure causes open circuit
When device tripping disconnects, tripping part relevant to operation handle can be stopped, leakage circuit breakers is prevented to be closed again, thus effectively anti-
The case where having stopped service personnel's maloperation and then having connected route, ensure that the safety of service personnel.
With reference to Fig. 1-Figure 19, the electric leakage of leakage circuit breakers instruction protection mechanism include: shell 1, handle 2, instruction button 3,
Instruction button spring 4, electric leakage lock 5, electric leakage latch spring 6, buckle releaser mandril 7, tripping 8, lock 9 and draw bar 10；
Be the structure chart of instruction button with reference to Fig. 7, instruction button 3 is movable up and down be installed on shell 1 open up it is vertical
In slot, stop movement after being moved upward to shell confined planes, instruction button is stretched out outside shell at this time, forms shape shown in Figure 13
State can play leak current fault indicative function；Instruction button be equipped with the instruction button top that is matched with shell stop face 34 and with leakage
Stop face 32 in the instruction button lower part that electric lock button matches；The cylinder 11 being fixedly mounted on the top of instruction button spring 4 and shell 1
It is fixedly connected, it is set on the bottom end of instruction button spring 4 and instruction button 3 specifically, can be hung on cylinder 11 set by shell
Barb 31 is fixedly connected, and then applies the pulling force moved upwards to instruction button 3, to make instruction button pop up and stretch out
Outside shell；
With reference to Fig. 8, for the structure chart of electric leakage lock, electric leakage lock 5 is provided with positioning through hole 56, the positioning through hole 56 and solid
Dingan County is connected loaded on the positioning cylinder of shell 1, and then circle electric leakage lock 5 can around positioning cylinder；
One end of electric leakage latch spring 6 is hung in the 1st barb column 12 set by shell 1, the set by the other end and electric leakage lock 5
2 barb columns 51 are connected, main function are as follows: electric leakage latch spring 6 applies clockwise around positioning cylinder progress to electric leakage lock 5
The torque of direction rotation is in contact when electric leakage lock 5 is rotated clockwise to its left tripping face 52 with the 1st confined planes 13 set by shell
When stop operating, instruction button lower part stops face 32 and stops 53 phase of face with electric leakage lock top and be engaged at this time, passes through electric leakage latch spring 6
Power effect, it is ensured that electric leakage lock top, which stops face and stops face with instruction button lower part, is engaged reliable fit；With reference to Fig. 9, Tu10He
Figure 11, as electric leakage lock and instruction button occlusive state figure；
Apply downward power to instruction button when borrowing external force, electric leakage lock can be rotated clockwise to its left tripping face and shell
It stops operating when confined planes set by body are in contact, instruction button lower part stops face and stops face with electric leakage lock top and be mutually engaged at this time；
Buckle releaser mandril 7 is installed on the left side of electric leakage lock 5, and buckle releaser mandril 7 can move left and right；When buckle releaser mandril 7
When being failure to actuate, the instruction button 3 and electric leakage lock 5 pressed by external force are engaged；Specifically, instruction button 3 is arranged under instruction button
Stop face 32 in portion；5 setting of electric leakage lock stops the electric leakage lock top that face 32 matches with instruction button lower part and stops face 53；Instruction button
Stop face 32 and stop face 53 with electric leakage lock top and be mutually engaged in lower part.
When route failure causes circuit breaker tripping to disconnect, buckle releaser mandril 7 moves right, and pushes electric leakage lock 5
Left tripping face overcome the spring masterpiece of electric leakage latch spring 6 to rotate counterclockwise, in rotation process, electric leakage lock 5 is pressed with instruction
Button 3 can not carry out occlusal contact condition again, and with reference to Figure 12, structure chart when as electric leakage lock 5 is not engaged with instruction button 3 refers to
Show that button 3 moves up pop-up under the spring-force driven dual of instruction button spring 4 and stretches out outside shell；Electric leakage latches in electric leakage lock
It is locked under the action of spring force at some rotational angle and no longer moves.Wherein, shell 1 is provided with the 2nd confined planes 14；Instruction is pressed
Button 3 is provided with instruction button top and stops face 34；When instruction button 3 pops up, instruction button top is stopped face 34 and is connect with the 2nd confined planes 14
After touch, instruction button 3 does not continue to move up.
It is the structure chart of tripping with reference to Figure 15；It is the structure chart of lock with reference to Figure 14；In conjunction with Fig. 4 and Fig. 5, handle 2 can turn
It is dynamic to be installed on above shell 1；Tripping 8 is fixedly installed in inside shell 1, and one end of draw bar 10 and handle 2 are hinged, draw bar 10
The other end and tripping 8 it is hinged；Lock 9 is pivotally mounted to inside shell 1 by latching shaft 92；
When buckle releaser mandril 7 is failure to actuate, electric leakage lock 5 and lock 9 are not contacted, and lock 9 is engaged with tripping 8, at this time for
The state of Figure 16 and Figure 17, shell 1, handle 2, draw bar 10, tripping 8 and lock 9 constitute four-bar linkage structure；When buckle releaser mandril
7 when moving right, and electric leakage lock 5 is pushed to rotate counterclockwise, electric leakage lock 5 further push lock 9 around latch shaft 92 into
Row rotates counterclockwise, and is engaged lock 9 and tripping 8 no longer, forms the state of Figure 18 and Figure 19, therefore, shell 1, handle
2, draw bar 10, tripping 8 and lock 9 can not constitute four-bar linkage structure.
The electric leakage that the utility model also provides a kind of electric leakage instruction protection mechanism according to leakage circuit breakers indicates protection side
Method, comprising the following steps:
Step 1, when instruction button 3 is pressed down under external force, under the action of leaking electricity latch spring 6, instruction is pressed
Button 3 is mutually engaged with electric leakage lock 5, meanwhile, it is de- that electric leakage lock 5 turns to its left side under the spring-force driven dual of electric leakage latch spring 6
Buckle side 52 is in contact with the 1st confined planes 13 set by shell 1, at this point, the tripping circle in the right tripping face 54 of electric leakage lock 5 and lock 9
Cambered surface 91 does not contact, and does not interfere, and electrical leakage tripping device is in the unlocked state at this time, with reference to Fig. 1, illustrates for unlocked state
Figure；At this point, lock 9 is engaged with tripping 8, shell 1, handle 2, draw bar 10, tripping 8 and lock 9 constitute four-bar linkage structure, at this time
Tripping 8 and lock 9 form rigid connection, and operation handle 2 can be such that leakage circuit breakers is closed by four-bar linkage structure transmission；With reference to
Fig. 2, as in the unlocked state, operation handle rotate and make the state diagram of leakage circuit breakers closure.
In this step, when instruction button 3 is pressed down under external force, under the action of leaking electricity latch spring 6, instruction
Button 3 is mutually engaged with electric leakage lock 5, specifically:
When instruction button 3 is pressed down under external force, instruction button 3 overcomes the power of instruction button spring 4 to moving down
Dynamic, when being moved to a certain position, face 32 is stopped under the power effect of electric leakage latch spring 6 in the instruction button lower part of instruction button 3, with
Stop the occlusion of 53 phase of face in the electric leakage lock top of electric leakage lock 5.
Step 2, when leaking electricity, buckle releaser mandril 7 moves right and pushes the left tripping face 52 of electric leakage lock 5, leakage
Electric lock button 5 overcomes the spring masterpiece of electric leakage latch spring 6 to rotate counterclockwise, in rotation process, electric leakage lock 5 and instruction button 3
Occlusal contact condition can not be carried out again, and the small arc surface 55 of electric leakage lock 5 is contacted with the 3rd confined planes 33 of instruction button 3 at this time, is indicated
Button 3 moves up pop-up under the spring-force driven dual of instruction button spring 4 and stretches out outside shell, reaches leak current fault instruction and makees
With；Specifically, instruction button 3 is moved upward to its instruction button top under the spring-force driven dual of instruction button spring 4 stops face
34 contacted with the 2nd confined planes 14 set by shell 1 after no longer move, at this time instruction button 3 stretch out shell outside, reach leak current fault
Indicative function.
Meanwhile when electric leakage lock 5 rotates counterclockwise, pushes lock 9 to be rotated counterclockwise around the shaft, thus make to lock
Button 9 and tripping 8 are no longer engaged, and therefore, shell 1, handle 2, draw bar 10, tripping 8 and lock 9 can not constitute four-bar linkage structure,
Electrical leakage tripping device is in self-locking state at this time, is self-locking state figure with reference to Fig. 3；At this point, operation handle 2, can not make electric leakage disconnected
Road device closure.Specifically, if actuating handle leakage circuit breakers to be made is closed, that is, state shown in Fig. 4 is formed under self-locking state,
At this point, the right tripping face 54 of electric leakage lock and the tripping arc surface 91 of lock 9 must interfere, cause tripping 8 and lock 9 can not
Reliable occlusion cannot form rigid connection, and therefore, shell 1, handle 2, draw bar 10, tripping 8 and lock 9 can not constitute double leval jib
Structure, operation handle cannot be such that leakage circuit breakers is closed.
The electric leakage instruction protection mechanism of leakage circuit breakers provided by the utility model and electric leakage instruction guard method, have
Following design feature:
When there is no electric leakage, during instruction button moves down under external force, face is stopped in instruction button lower part
Face can be stopped with electric leakage lock top to be engaged, the rotation of electric leakage lock connects to its left tripping face with confined planes set by shell at this time
The position of touching, electrical leakage tripping device is in the unlocked state, and operation handle can be such that leakage circuit breakers is closed.
And when leaking electricity, buckle releaser mandril 7 rotates counterclockwise electric leakage lock 5, on the one hand, electric leakage is made to latch and refer to
Show that button is no longer engaged, instruction button pops up outside shell, reaches leak current fault indicative function；On the other hand, electric leakage 5 inverse times of lock
When needle rotates, makes tripping 8 and lock that can not be engaged and form rigid connection, destroy four-bar linkage structure, make at electrical leakage tripping device
In self-locking state, operation handle can not be such that leakage circuit breakers is closed at this time；Therefore, maintenance personal's maloperation operation handle is avoided
The problem of；
The utility model structure is simple, convenient for operation, improves electrical safety.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching should also regard the protection scope of the utility model.
Claims (3)
1. a kind of electric leakage of leakage circuit breakers indicates protection mechanism characterized by comprising shell (1), handle (2), instruction are pressed
Button (3), instruction button spring (4), electric leakage lock (5), electric leakage latch spring (6), buckle releaser mandril (7), tripping (8), lock
(9) and draw bar (10)；
The instruction button (3) is movable up and down to be installed in the vertical slots that the shell (1) opens up；The instruction button bullet
The cylinder (11) being fixedly mounted on the top of spring (4) and the shell (1) is fixedly connected, the bottom of the instruction button spring (4)
It holds and is fixedly connected with barb (31) set on the instruction button (3), and then apply to the instruction button (3) and move upwards
Pulling force；
The electric leakage lock (5) is provided with positioning through hole (56), the positioning through hole (56) and the positioning for being fixedly installed in shell (1)
Cylinder connection, and then circle the electric leakage lock (5) can around the positioning cylinder；
One end of electric leakage latch spring (6) is hung in the 1st barb column (12) set by shell (1), the other end and the electric leakage
2nd barb column (51) set by lock (5) is connected, and the electric leakage latch spring (6) latches (5) to the electric leakage and applies around described
Positioning cylinder carries out torque rotationally clockwise；
The buckle releaser mandril (7) is installed on the left side of the electric leakage lock (5), and the buckle releaser mandril (7) can move left and right；
When the buckle releaser mandril (7) is failure to actuate, the instruction button (3) pressed by external force and electric leakage lock (5) occlusion；
When the buckle releaser mandril (7) moves right, the spring masterpiece for pushing electric leakage lock (5) to overcome electric leakage latch spring (6) is inverse
Hour hands rotate, and in rotation process, electric leakage lock (5) and instruction button (3) can not carry out occlusal contact condition again, and instruction button (3) exists
Pop-up is moved up under the spring-force driven dual of instruction button spring (4)；
The handle (2) is pivotally mounted to the shell (1) above；The tripping (8) is fixedly installed in the shell (1)
Portion, one end of the draw bar (10) and the handle (2) hingedly, the other end of the draw bar (10) and the tripping (8)
Hingedly；The lock (9) is pivotally mounted to the shell (1) inside by latching shaft (92)；
When the buckle releaser mandril (7) is failure to actuate, the electric leakage lock (5) and the lock (9) are not contacted, the lock
(9) it is engaged with the tripping (8), the shell (1), the handle (2), the draw bar (10), the tripping (8) and described
It latches (9) and constitutes four-bar linkage structure；When the buckle releaser mandril (7) moves right, electric leakage lock (5) is pushed to make to turn counterclockwise
Dynamic, electric leakage lock (5) further pushes lock (9) to be rotated counterclockwise around lock shaft (92), thus makes the lock (9)
It is no longer engaged with the tripping (8), therefore, the shell (1), the handle (2), the draw bar (10), the tripping (8)
Four-bar linkage structure can not be constituted with the lock (9).
2. the electric leakage of leakage circuit breakers according to claim 1 indicates protection mechanism, which is characterized in that the instruction button
(3) face (32) are stopped in setting instruction button lower part；The electric leakage lock (5), which is arranged, stops face (32) phase with the instruction button lower part
Stop face (53) in the electric leakage lock top matched；Face (32) is stopped in the instruction button lower part and face (53) phase is stopped on electric leakage lock top
Occlusion.
3. the electric leakage of leakage circuit breakers according to claim 1 indicates protection mechanism, which is characterized in that the shell (1)
It is provided with the 2nd confined planes (14)；The instruction button (3) is provided with instruction button top and stops face (34)；The instruction button (3)
When pop-up, the instruction button top is stopped after face (34) contacts with the 2nd confined planes (14), and the instruction button (3) is no longer
It continues to move up.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931554.7U CN208208686U (en) | 2018-06-15 | 2018-06-15 | The electric leakage of leakage circuit breakers indicates protection mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931554.7U CN208208686U (en) | 2018-06-15 | 2018-06-15 | The electric leakage of leakage circuit breakers indicates protection mechanism |
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| CN208208686U true CN208208686U (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053909A (en) * | 2019-06-05 | 2020-12-08 | 施耐德电器工业公司 | Short-circuit fault indicating mechanism and circuit breaker comprising same |
-
2018
- 2018-06-15 CN CN201820931554.7U patent/CN208208686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053909A (en) * | 2019-06-05 | 2020-12-08 | 施耐德电器工业公司 | Short-circuit fault indicating mechanism and circuit breaker comprising same |
| CN112053909B (en) * | 2019-06-05 | 2024-10-18 | 施耐德电器工业公司 | Short circuit fault indication mechanism and circuit breaker including the short circuit fault indication mechanism |
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