CN109585233A - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN109585233A CN109585233A CN201811621744.XA CN201811621744A CN109585233A CN 109585233 A CN109585233 A CN 109585233A CN 201811621744 A CN201811621744 A CN 201811621744A CN 109585233 A CN109585233 A CN 109585233A
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- China
- Prior art keywords
- circuit breaker
- locking piece
- locking
- button
- miniature circuit
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- 230000003068 static effect Effects 0.000 claims description 19
- 239000011324 bead Substances 0.000 claims description 18
- 230000014759 maintenance of location Effects 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 12
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 7
- 230000009979 protective mechanism Effects 0.000 description 7
- 206010014357 Electric shock Diseases 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
Abstract
The present invention relates to Low Voltage Electrical Apparatus, and in particular to a kind of miniature circuit breaker comprising button mechanism, circuit breaker housing, locking mechanism and locking mechanism position limiting structure；When miniature circuit breaker is in "on" position, locking mechanism and locking mechanism position limiting structure keep out cooperation, be retracted into locking mechanism can not from the second tapping in circuit breaker housing；When pulling button mechanism outside towards circuit breaker housing 6, locking mechanism unlock is retracted into it in circuit breaker housing from the second tapping by button mechanism, and releases limit cooperation with the shell of breaker rigging position；Miniature circuit breaker of the present invention, the shell of its locking mechanism and breaker rigging position, which limits, to be cooperated, it ensure that the assembly of miniature circuit breaker is reliable and steady operation, its locking mechanism position-limit mechanism, under miniature circuit breaker "on" position, keep out cooperation with locking mechanism, the shell of locking mechanism and breaker rigging position prevented to release limit cooperation, be conducive to further increase miniature circuit breaker assembly is reliable and steady operation.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, and in particular to a kind of miniature circuit breaker.
Background technique
The use of breaker can effectively improve safety and the reliability service of electrical equipment, in order to meet different electrical equipments
Installation need, a kind of wherein breaker of the miniature circuit breaker as important kind, structure is varied and whole tends to be small
Type.Existing miniature circuit breaker, has the following problems more:
1, in the energized state, there is the risk accidentally extracted, first not after being installed in place in existing miniature circuit breaker
Conducive to the reliable and stable work of breaker, two come that there is also security risks.
2, existing miniature circuit breaker mostly carries out separating brake/closing operation to breaker using handle, then needs biggish operation
Space carries out separating brake/closing operation to breaker using operation handle in the case where breaker installation space is more becoming tight and gathers,
It is brought to user inconvenient.
3, existing miniature circuit breaker can guarantee that breaker installation is reliable even if having locking mechanism to a certain extent
And steady operation, but still remain locking mechanism failure or external force and filled in locking mechanism, damage locking mechanism and short circuit
The case where limit cooperation of shell with position, the reliable assembling of existing miniature circuit breaker and steady operation is made to still remain shakiness
Determine factor, and there is also the risks that miniature circuit breaker is pulled out in the case where electrification.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of miniature circuit breaker is provided, locking mechanism and disconnected
The shell of road device rigging position limits cooperation, ensure that the assembly of miniature circuit breaker is reliable and steady operation, locking mechanism limit
Position mechanism keeps out cooperation with locking mechanism, prevents locking mechanism and breaker rigging position under miniature circuit breaker "on" position
Shell release limit cooperation, be conducive to further increase miniature circuit breaker assembly is reliable and steady operation.
To achieve the above object, present invention employs following technical solutions:
A kind of miniature circuit breaker comprising button mechanism 1, circuit breaker housing 6, locking mechanism and locking mechanism limit knot
Structure；The setting of button mechanism 1 is slidably matched in 6 one end of circuit breaker housing with it, and locking mechanism is pivotably arranged to breaker shell
On body 6, circuit breaker housing 6 includes that one side and the second aperture 62 with locking mechanism corresponding matching is arranged in, and locking mechanism is inclined
That sets protrudes from 6 outside of circuit breaker housing from the second aperture 62, limits and cooperates with the shell of breaker rigging position；
When the miniature circuit breaker is in "on" position, locking mechanism and locking mechanism position limiting structure keep out cooperation, make to lock
Determining mechanism can not be retracted into circuit breaker housing 6 from the second aperture 62；When pulling button mechanism 1 outside towards circuit breaker housing 6, press
Button mechanism 1 by locking mechanism unlock be retracted into it in circuit breaker housing 6 from the second aperture 62, and with breaker rigging position
Shell release limit cooperation.
Preferably, the locking mechanism includes the second locking piece 5 and the second Lock spring 3, and the second locking piece 5 includes second
Lock body 56 and second locking piece at 56 both ends of the second lock body is separately positioned on by swing arm 55, the second locking piece
Protrusion 52, the second lock body 56 is pivotably arranged in circuit breaker housing 6, and the second locking piece is by swing arm 55 and button mechanism 1
Driving cooperation, the second Lock spring 3 protrude the second locking piece protrusion 52 in 6 outside of circuit breaker housing across the second aperture 62,
And limit and cooperate with the shell of breaker rigging position, towards pulling button mechanism 1 outside circuit breaker housing 6, button mechanism 1 passes through the
Two locking pieces are driven the rotation of the second locking piece 5 by swing arm 55, move the second locking piece protrusion 52 into circuit breaker housing 6, from
And release limit cooperation of the second locking piece protrusion 52 with the shell of breaker rigging position.
Preferably, when the miniature circuit breaker is in "on" position, locking mechanism position limiting structure is kept out with the second locking piece 5
Cooperation, limitation the second locking piece 5 rotation prevent the shell of the second locking piece protrusion 52 and breaker rigging position from releasing limit and match
It closes.
Preferably, second locking piece 5 further includes that limiting in the second lock body 56 with locking mechanism is arranged in
Structure keeps out the auxiliary section of cooperation, and when miniature circuit breaker is in "on" position, locking mechanism position limiting structure is kept out with auxiliary section matches
Close, limitation the second locking piece 5 rotation, after miniature circuit breaker separating brake, locking mechanism position limiting structure and mating part from.
Preferably, the locking mechanism position limiting structure includes the first retention bead 110 being arranged on button mechanism 1, small
When type breaker is in "on" position, the first retention bead 110 and the second lock body 56 keep out cooperation, the second locking of limitation
Part 5 rotates, and after miniature circuit breaker separating brake, the first retention bead 110 is separated with the second lock body 56.
Preferably, the auxiliary section of second locking piece 5 be arranged in the second lock body 56 first cooperation it is convex
51 are played, and the first fitting projection 51 and the second locking piece protrusion 52 are located at the same side of the rotation center of the second locking piece 5；It is described
When miniature circuit breaker is in "on" position, the first retention bead 110 and the first fitting projection 51 keep out cooperation, the second locking of limitation
Part 5 rotates, and after miniature circuit breaker separating brake, the first retention bead 110 is separated with the first fitting projection 51.
It preferably, further include operating mechanism 7, moving contact 57 and static contact 570, button mechanism 1 drives phase with operating mechanism 7
Even, operating mechanism 7 is connected with moving contact 57, and moving contact 57 and static contact 570 are used cooperatively；The miniature circuit breaker is in separating brake
When state, push button mechanism 1, button mechanism 1 drives operating mechanism 7 to act, and operating mechanism 7 drives moving contact 57 and static contact
56 closures.
Preferably, the locking mechanism position limiting structure is arranged on operating mechanism 7, and miniature circuit breaker is in "on" position
When, locking mechanism position limiting structure and the second locking piece 5 keep out cooperation, limitation the second locking piece 5 rotation, miniature circuit breaker separating brake
Afterwards, locking mechanism position limiting structure is separated with the second locking piece 5.
Preferably, the button mechanism 1 includes button head 10, button body 11 and first connecting rod 9, and the setting of button head 10 exists
11 one end of button body and prominent in 6 outside of circuit breaker housing, 9 one end of first connecting rod is connected with button body 11, the other end and
Operating mechanism 7 is connected；Button mechanism 1 is mobile towards combined floodgate direction, and button mechanism 1 drives operating mechanism 7 dynamic by first connecting rod 9
Make, operating mechanism 7 drives moving contact 57 and static contact 570 to be closed；Button mechanism 1 is mobile towards separating brake direction, and button mechanism 1 passes through
First connecting rod 9 drives operating mechanism 7 to act, and operating mechanism 7 drives moving contact 57 and static contact 570 to disconnect.
Preferably, the operating mechanism 7 includes driving member 8, second connecting rod 70, lock 71, tripping 73, supporter 72 and the
One reset spring 74, driving member 8 and supporter 72 are pivotably arranged to respectively in circuit breaker housing 6, and lock 71 and tripping 73 divide
It is not pivotably arranged on supporter 72, button mechanism 1 is connected by the first connecting rod 9 of button mechanism 1 with the driving of driving member 8, is passed
Moving part 8 is connected by second connecting rod 70 with 71 driving of lock, lock 70 and 73 snap fit of tripping, supporter 72 and moving contact 57
It is connected, and supporter 72 is connected by first back-moving spring 74 with 6 elasticity of circuit breaker housing；The miniature circuit breaker, which is in, to close a floodgate
When state, after tripping 73 is driven, tripping 73 and lock 71 is made to release snap fit, operating mechanism 7 acts, and supporter 72 drives
Moving contact 57 and static contact 570 disconnect.
Preferably, the driving member 8 further includes third position limit arm 81, and locking mechanism position limiting structure includes third position limit arm
81,81 one end of third position limit arm is connected with driving member 8, when miniature circuit breaker is in "on" position, 81 other end of third position limit arm
Cooperation is kept out with the second locking piece 5, the second locking piece 5 of limitation rotates, after miniature circuit breaker separating brake, third position limit arm 81 and second
Locking piece 5 separates.
Preferably, the auxiliary section of second locking piece 5 be arranged in the second lock body 56 third cooperation it is convex
53 are played, the second locking piece protrusion 52 and third fitting projection 53 are located at 56 the same end of the second lock body；Push button mechanism 1
Miniature circuit breaker is set to close a floodgate, while button mechanism 1 drives driving member 8 to rotate by the first connecting rod 9 of button mechanism 1, driving member 8
It drives third position limit arm 81 to swing, limits third position limit arm 81 and third fitting projection 53 and cooperate, limit the second locking piece 52
Rotation.
Preferably, the locking mechanism position limiting structure includes first connecting rod 9, when miniature circuit breaker is in combined floodgate transition, the
Second locking piece 5 of one connecting rod 9 and locking mechanism keeps out cooperation, limits the rotation of the second locking piece 5, prevents the second locking piece 5
It releases limit with the shell of breaker rigging position to cooperate, after miniature circuit breaker separating brake, first connecting rod 9 divides with the second locking piece 5
From.
Preferably, the auxiliary section of second locking piece 5 be arranged in the second lock body 56 second cooperation it is convex
54 are played, and the second fitting projection 54 and the second locking piece protrusion 52 are located at rotation center the same side of the second locking piece 5；It is described small
When type breaker is in "on" position, the one end of first connecting rod 9 being inserted into button body 11 is supported with the second fitting projection 54
Gear cooperation, the second locking piece 5 of limitation rotate, and after miniature circuit breaker separating brake, first connecting rod 9 is separated with the second fitting projection 54.
Preferably, the button mechanism 1 further includes connecting rod erecting bed 12, and connecting rod erecting bed 12 is arranged in button body 11
On, 9 one end of first connecting rod is inserted on connecting rod erecting bed 12 and protrudes in 12 side of connecting rod erecting bed, forms the first drive rod
91, when miniature circuit breaker is in "on" position, the first drive rod 91 and the second fitting projection 54 keep out cooperation.
Preferably, the button mechanism 1 further includes button mechanism driving protrusion 13, and 13 setting of button mechanism driving protrusion exists
In the button mechanism main body 11 of button mechanism 1, is driven and cooperated by swing arm 55 with the second locking piece of the second locking piece 5；Pulling is pressed
Button mechanism 1, button mechanism 1 drive the second locking piece by swing arm 55, make 5 turns of the second locking piece by button mechanism driving protrusion 13
Dynamic, the second locking piece protrusion 52 of the second locking piece 5 and the shell of breaker rigging position release limit cooperation.
Preferably, the first connecting rod 9 cooperates with locking mechanism driving, pulls button mechanism 1 outside towards circuit breaker housing 6,
First connecting rod 9 drives the second locking piece by swing arm 55, rotates the second lock body 56, and the second lock body 56 drives the
Two locking piece protrusions 52 are moved into circuit breaker housing 6, make the shell solution of the second locking piece protrusion 52 with breaker rigging position
Except limit cooperates.
Preferably, the first connecting rod 9 is U-shaped bar, and 9 one end of first connecting rod passes through the connecting rod erecting bed 12 of button mechanism 1
And it is prominent in 12 side of connecting rod erecting bed, form the first drive rod 91, the second locking of the first drive rod 91 and the second locking piece 5
Part is driven by swing arm 55 to be cooperated；Button mechanism 1 is pulled, button mechanism 1 drives the second locking piece by dynamic by the first drive rod 91
Arm 55 rotates the second locking piece 5, the second locking piece protrusion 52 and the shell solution of breaker rigging position of the second locking piece 5
Except limit cooperates.
Miniature circuit breaker of the invention comprising locking mechanism, locking mechanism are pivotably arranged in circuit breaker housing, and are locked
The second aperture for determining the slave circuit breaker housing of mechanism biases protrudes from the outside of circuit breaker housing, the shell with breaker rigging position
Limit cooperation ensure that the stabilization and reliability of miniature circuit breaker assembly of the present invention, be conducive to the use for improving miniature circuit breaker
Safety and job stability, and prevent the miniature circuit breaker for being assemblied in breaker rigging position, quilt in the case where electrification
It extracts, can effectively reduce the electric shock risk of user；Miniature circuit breaker of the invention further includes locking mechanism position limiting structure, small-sized disconnected
When road device is in "on" position, locking mechanism position limiting structure and locking mechanism keep out cooperation, open locking mechanism can not from second
It is retracted into circuit breaker housing at hole, avoids locking mechanism failure or nonanticipating external force, fill locking mechanism and breaker
Shell with position releases the case where limit cooperates, and is conducive to the stabilization for further increasing miniature circuit breaker assembly of the present invention
Property and reliability, prevent miniature circuit breaker from accidentally being extracted in electrification, avoid user occur electric shock risk.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of miniature circuit breaker of the present invention；
Fig. 2 is the partial structural diagram of miniature circuit breaker of the present invention, and it illustrates the drivings of the button mechanism of button mechanism
Matching relationship of second locking piece of boss and the second locking piece by swing arm；
Fig. 3 is the partial structural diagram of miniature circuit breaker of the present invention, it illustrates the assembling structure of the second locking piece with
And second locking piece the first fitting projection and button mechanism the first retention bead matching relationship；
Fig. 4 is the partial structural diagram of miniature circuit breaker of the present invention, wherein the first retention bead of button mechanism and the
First fitting projection of two locking pieces limits cooperation, limitation the second locking piece rotation；
Fig. 5 is the fit structure schematic diagram of button mechanism of the present invention and the second locking piece；
Fig. 6 is the structural schematic diagram of miniature circuit breaker of the present invention, and it illustrates the specific structures of operating mechanism, and operation
Mechanism, button mechanism, moving contact, static contact matching relationship；
Fig. 7 is the partial structural diagram of miniature circuit breaker of the present invention, and it illustrates the third position limit arms of driving member and
The third fitting projection matching relationship of two locking pieces；
Fig. 8 is the partial structural diagram of miniature circuit breaker of the present invention, and it illustrates the third position limit arms of driving member and
The limit of the third fitting projection of two locking pieces cooperates；
Fig. 9 is the structural schematic diagram of miniature circuit breaker of the present invention, and it illustrates the second fitting projections of the second locking piece；
Figure 10 is the partial structural diagram of miniature circuit breaker of the present invention, it illustrates the first drive rod of first connecting rod with
Second fitting projection of the second locking piece limits cooperation；
Figure 11 is the partial structural diagram of miniature circuit breaker of the present invention, it illustrates the first drive rod of first connecting rod with
Positional relationship of second locking piece of the second locking piece by swing arm；
Figure 12 is the partial structural diagram of miniature circuit breaker of the present invention, wherein the first drive rod and second of first connecting rod
Second locking piece of locking piece is driven by swing arm to be cooperated, and rotates the second locking piece, the second locking piece of the second locking piece
Protrusion is moved into circuit breaker housing.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1-12 is provided, the specific embodiment party of miniature circuit breaker of the invention is further illustrated
Formula.Miniature circuit breaker of the invention is not limited to the following description.
Miniature circuit breaker of the invention comprising button mechanism 1, circuit breaker housing 6, locking mechanism and locking mechanism limit
Bit architecture；The setting of button mechanism 1 is slidably matched in 6 one end of circuit breaker housing with it, and locking mechanism is pivotably arranged to open circuit
On device shell 6, circuit breaker housing 6 includes that one side and the second aperture 62 with locking mechanism corresponding matching is arranged in, and locks machine
Structure biasing protrudes from 6 outside of circuit breaker housing from the second aperture 62, limits and cooperates with the shell of breaker rigging position；
When the miniature circuit breaker is in "on" position, locking mechanism and locking mechanism position limiting structure keep out cooperation, make to lock
Determining mechanism can not be retracted into circuit breaker housing 6 from the second aperture 62；When pulling button mechanism 1 outside towards circuit breaker housing 6, press
Button mechanism 1 by locking mechanism unlock be retracted into it in circuit breaker housing 6 from the second aperture 62, and with breaker rigging position
Shell release limit cooperation.
Miniature circuit breaker of the invention comprising locking mechanism, locking mechanism are pivotably arranged in circuit breaker housing 6, and
Second aperture 62 of the slave circuit breaker housing 6 of locking mechanism biasing protrudes from 6 outside of circuit breaker housing, with breaker rigging position
Shell limit cooperation, ensure that the stabilization and reliability of miniature circuit breaker of the present invention assembly, be conducive to improve miniature circuit breaker
Safety in utilization and job stability, and the miniature circuit breaker for being assemblied in breaker rigging position is prevented, in the feelings of electrification
It is pulled out under condition, can effectively reduce the electric shock risk of user；Miniature circuit breaker of the invention further includes locking mechanism position limiting structure,
When miniature circuit breaker is in "on" position, locking mechanism position limiting structure and locking mechanism keep out cooperation, make locking mechanism can not be from
Be retracted into circuit breaker housing 6 at second aperture 62, avoid locking mechanism fail or nonanticipating external force, make locking mechanism with
The shell of breaker rigging position releases the case where limit cooperates, and is conducive to further increase miniature circuit breaker dress of the present invention
The stability and reliability matched, prevent miniature circuit breaker from accidentally being extracted in electrification, avoid user that electric shock risk occurs.
It should be pointed out that miniature circuit breaker be assembled to breaker rigging position and assemble in place after, locking mechanism i.e. with
The shell of breaker rigging position limits cooperation, and after miniature circuit breaker closes a floodgate, locking mechanism position limiting structure is kept out with locking mechanism
Cooperate, after miniature circuit breaker separating brake, locking mechanism position limiting structure is separated with locking mechanism, and locking mechanism and breaker assemble position
The shell set still keeps limit to cooperate.
It should be pointed out that the locking mechanism biasing protrudes from 6 outside of circuit breaker housing from the second aperture 602, refer to
The mechanism one end that is locked out protrude from the outside of circuit breaker housing 6 from the second aperture 602.
It should be pointed out that the locking mechanism and locking mechanism position limiting structure keep out cooperation, refer to locking structure and
The contact of locking mechanism position limiting structure is connected, and the limitation locking mechanism rotation of locking mechanism position limiting structure.
Preferably, miniature circuit breaker of the invention includes the second locking piece 5, and the second locking piece 5 is pivotably arranged to breaker
On shell 6,5 one end of the second locking piece and the driving of button mechanism 1 cooperate, and it is prominent in breaker that the other end passes through the second aperture 602
6 outside of shell, and limit and cooperate with the shell of breaker rigging position, when miniature circuit breaker is in "on" position, locking mechanism
Position limiting structure and the second locking piece 5 keep out cooperation, and limitation the second locking piece 5 rotation prevents the protrusion of the second locking piece 5 second
The one end in 602 outside of aperture and the shell of breaker rigging position release limit cooperation.
Miniature circuit breaker of the invention, 5 one end of the second locking piece and the driving of button mechanism 1 cooperate, the other end and open circuit
The shell of device rigging position limits cooperation, the reliability and job stability that guarantee miniature circuit breaker assembles, at miniature circuit breaker
When "on" position, locking mechanism position limiting structure and the second locking piece 5 keep out cooperation, are further ensured that miniature circuit breaker assembly
Reliability and job stability, the mode of double locking, it is ensured that miniature circuit breaker will not accidentally be pulled out in the case where electrification by user
Out, the case where avoiding user from getting an electric shock.
It is one embodiment of miniature circuit breaker of the present invention as shown in Fig. 1,6,9.
Miniature circuit breaker of the invention comprising circuit breaker housing 6, button mechanism 1 and setting are in circuit breaker housing 6
Operating mechanism 7, moving contact 57, the static contact 570 in portion；The button mechanism 1 is slidably arranged in one end of circuit breaker housing 6, presses
Button mechanism 1 is connected with the driving of operating mechanism 7, and operating mechanism 7 is connected with moving contact 57, and moving contact 57 makes with the cooperation of static contact 570
With；When the miniature circuit breaker is in gate-dividing state, push button mechanism 1, button mechanism 1 drives operating mechanism 7 to act, operation
Mechanism 7 drives moving contact 57 and static contact 570 to be closed；When the miniature circuit breaker is in "on" position, drawing button mechanism 1,
Button mechanism 1 drives operating mechanism 7 to act, and operating mechanism 7 drives moving contact 57 and static contact 570 to disconnect.With existing use
Operation handle carries out separating brake/closing operation miniature circuit breaker and compares, and miniature circuit breaker of the invention passes through push button mechanism 1
Separating brake/closing operation is carried out, smaller operating space is needed, it is convenient for the user to operate.
It is pointed out that direction as shown in Figure 1, presses down on button mechanism 1, is i.e. button mechanism 1 is moved towards combined floodgate direction
It is dynamic, button mechanism 1 is pulled up, i.e. button mechanism is mobile towards separating brake direction.
Miniature circuit breaker of the invention further includes locking mechanism and locking mechanism position limiting structure, and locking mechanism includes the second lock
Determine part 5, the second locking piece 5 is pivotably arranged in circuit breaker housing 6, and one end and the driving of button mechanism 1 cooperate, and the other end passes through disconnected
The shell of road device shell 6 and breaker rigging position, which limits, to be cooperated；When miniature circuit breaker is in "on" position, locking mechanism limit
Mechanism and the limit of the second locking piece 5 cooperate, and limitation the second locking piece 5 rotation prevents the second locking piece 5 and breaker rigging position
Shell release limit cooperation；Drawing button mechanism 1, button mechanism 1 drive the rotation of the second locking piece 5, make the second locking piece 5 with
The shell of breaker rigging position releases limit cooperation.
Preferably, miniature circuit breaker of the invention further includes being arranged in the second lock body 56 of the second locking piece 5
The auxiliary section that cooperation is kept out with locking mechanism position limiting structure, when miniature circuit breaker is in "on" position, locking mechanism limit knot
Cooperation is kept out in structure and auxiliary section, and the second locking piece 5 of limitation rotates, after miniature circuit breaker separating brake, locking mechanism position limiting structure with match
Close part from.
Preferably, as shown in Figures 3 and 4, the locking mechanism position limiting structure includes the first limit being arranged on button mechanism 1
Position protrusion 110, when miniature circuit breaker is in "on" position, the second locking piece master of the first retention bead 110 and the second locking piece 5
Body 56 keeps out cooperation, and the second locking piece 5 of limitation rotates, after miniature circuit breaker separating brake, the first retention bead 110 and the second locking piece
Main body 56 separates.Further, as shown in Figures 3 and 4, the auxiliary section is that first be arranged in the second lock body 56 is matched
Protrusion 51 is closed, when miniature circuit breaker is in "on" position, the first retention bead 110 and the limit of the first fitting projection 51 cooperate.Tool
Body, direction as shown in Figures 3 and 4 presses down on button mechanism 1, miniature circuit breaker is made to close a floodgate, while button mechanism 1 drives the
One retention bead 110, which is moved down and limited with the first fitting projection 51, to be cooperated, and the rotation of the second locking piece 5 is limited.
Preferably, as shown in Figures 9 and 10, the locking mechanism position limiting structure includes the first connecting rod 9 of button mechanism 1, small
When type breaker is in "on" position, first connecting rod 9 and the second locking piece 5 keep out cooperation, limitation the second locking piece 5 rotation, resistance
Only the shell of the second locking piece 5 and breaker rigging position releases limit cooperation, after miniature circuit breaker separating brake, first connecting rod 9 with
The separation of second locking piece 5.Preferably, the auxiliary section is the second fitting projection 54 being arranged in the second lock body 56,
One end and second when miniature circuit breaker is in "on" position, in the button body 11 for being inserted into button mechanism 1 of first connecting rod 9
Fitting projection 54 keeps out cooperation, and the second locking piece 5 of limitation rotates, and after miniature circuit breaker separating brake, first connecting rod 9 and the second cooperation are convex
Play 54 separation.Further, as shown in Figures 9 and 10, described 9 one end of first connecting rod passes through the connecting rod erecting bed 12 of button mechanism 1
And it is prominent in 12 side of button erecting bed, form the first drive rod 91, when miniature circuit breaker is in "on" position, the first drive rod
91 and second fitting projection 54 keep out cooperation.Specifically, direction as shown in Figures 9 and 10, presses down on button mechanism 1, makes small-sized
Breaker closing, while button mechanism 1 drives the first drive rod 91 to move down and limit with the second fitting projection 54 to cooperate, limitation the
The rotation of two locking pieces 5.
Preferably, as shown in figs 6-8, the locking mechanism position limiting structure is arranged on operating mechanism 7, at miniature circuit breaker
When "on" position, locking mechanism position limiting structure and the second locking piece 5 keep out cooperation, and limitation the second locking piece 5 rotation is small-sized disconnected
After the device separating brake of road, locking mechanism position limiting structure is separated with the second locking piece 5.Further, as shown in figs 6-8, the behaviour
Making mechanism 7 includes driving member 8, and driving member 8 is rotatably arranged in circuit breaker housing 6, and button mechanism 1 is by first connecting rod 9 and passes
The driving of moving part 8 is connected, and driving member 8 includes third position limit arm 81, and locking mechanism position limiting structure is third position limit arm 81, small-sized open circuit
When device is in "on" position, third position limit arm 81 and the limit of the second locking piece 5 cooperate, and limitation the second locking piece rotation is small-sized disconnected
After the device separating brake of road, third position limit arm 81 and the second locking piece 5 release limit cooperation.Further, as shown in figs 6-8, described to match
Conjunction portion is the third fitting projection 53 being arranged in the second lock body 56 of the second locking piece 5, and miniature circuit breaker, which is in, to be closed
When lock state, third position limit arm 81 and the limit of third fitting projection 53 cooperate.Specifically, as shown in figs 6-8, pressing down on button
Mechanism 1, makes miniature circuit breaker close a floodgate, and button mechanism 1 drives rotating member 8 to rotate by first connecting rod 9, and rotating member 8 drives third
81 clockwise oscillation of position limit arm simultaneously limits cooperation, limitation the second locking piece 5 rotation with third fitting projection 53.
Preferably, as described in figures 1 and 5, the button mechanism 1 includes button head 10, button body 11 and first connecting rod 9,
The setting of button head 10 is in 11 one end of button body and protrudes in 6 outside of circuit breaker housing, in order to the convenient operation button of user
Mechanism 1,9 one end of first connecting rod are inserted into button body 11, and 9 other end of first connecting rod is connected with operating mechanism 7, button mechanism
1 is connected by first connecting rod 9 with the driving of operating mechanism 7.Specifically, direction, the setting of button head 10 exist as described in figures 1 and 5
11 one end of button body, 9 one end of first connecting rod are inserted on 11 other end of button body.
Preferably, as shown in Fig. 2, the button mechanism 1 further includes the button mechanism driving being arranged in button body 11
Second locking piece of protrusion 13, button mechanism driving protrusion 13 and the second locking piece 5 is driven by swing arm 55 to be cooperated, to breaker shell
The outer drawing button mechanism 1 of body 6, button mechanism driving protrusion 13 drive the second locking piece to be acted by swing arm 55, make the second locking piece 5
Rotation, the second locking piece protrusion 52 of the second locking piece 5 are moved into circuit breaker housing 6, to release the second locking piece protrusion
52 cooperate with the limit of the shell of breaker rigging position.Specifically, direction as shown in Figure 2, the button mechanism driving protrusion
13 are arranged on the left of 11 lower end of button body, pull up button mechanism 1, and button mechanism driving protrusion 13 drives the second locking piece
It is acted by swing arm 55, rotates clockwise the second locking piece 5, so that the second locking piece protrusion 52 be made to be moved to the right (i.e. to disconnected
It is moved in road device shell 6).
Preferably, as shown in FIG. 11 and 12, the first connecting rod 9 is U-shaped structure, and one end is inserted into button body 11
On, it is driven and is cooperated by swing arm 55 with the second locking piece of the second locking piece 5, to the outer drawing button mechanism 1 of circuit breaker housing 6, the
One connecting rod 9 drives the second locking piece to be acted by swing arm 55, rotates the second locking piece 5, and the second locking piece of the second locking piece 5 is convex
It plays 52 to move into circuit breaker housing 6, to release the limit of the second locking piece protrusion 52 with the shell of breaker rigging position
Cooperation.Specific direction as shown in FIG. 11 and 12,9 upper end of first connecting rod are inserted into the connecting rod installation of 11 lower end of button body
It is on platform 12 and prominent in 12 side of connecting rod erecting bed, the first drive rod 91 is formed, button mechanism 1, the first drive rod are pulled up
91 upper ends drive the second locking piece to be acted by swing arm 55, rotate clockwise the second locking piece 5, to keep the second locking piece raised
52 move (move into circuit breaker housing 6) to the right.
Preferably, as shown in figure 5, the button mechanism 1 further includes connecting rod erecting bed 12, the setting of connecting rod erecting bed 12 is being pressed
In button main body 11,9 one end of first connecting rod is inserted on connecting rod erecting bed 12 and protrudes in 12 side of connecting rod erecting bed, forms first
Drive rod 91.Specifically, direction as shown in Figure 5, the connecting rod erecting bed 12 is arranged on the right side of 11 lower end of button body, with second
Locking piece 5 is oppositely arranged, and 9 upper end of first connecting rod is inserted on connecting rod erecting bed 12 and prominent on rear side of connecting rod erecting bed 12, shape
At the first drive rod 91.
Preferably, as shown in Figures 3 and 4, the button mechanism 1 further includes the first retention bead 110, the first retention bead
110 are arranged in 11 side of button body of button mechanism 1.Specific direction as shown in Figures 3 and 4, first retention bead 110
It is arranged on the right side of 11 lower end of button body.
Preferably, as shown in figure 5, the locking mechanism 5 includes the second Lock spring 3, locking mechanism main body 56 and divides
Second locking piece at 56 both ends of locking mechanism main body is not set by swing arm 55, the second locking piece protrusion 52, the second locking piece by
Swing arm 55 and the driving of button mechanism 1 cooperate, and the second Lock spring 3 makes the second locking piece protrusion 52 pass through the of circuit breaker housing 6
Two apertures 62 are prominent in 6 outside of circuit breaker housing, and limit and cooperate with the shell of breaker rigging position.Specifically, such as Fig. 5 institute
Show direction, second Lock spring 3 is mounted in circuit breaker housing 6 by the first installation axle 2, and the second Lock spring 3 is to turn round
Spring, one end are connected with circuit breaker housing 6, and the other end is connected with the upper end of the second lock body 56, and the second locking piece is by dynamic
Arm 55 is connected with the upper end bending of the second lock body 56, and to 1 direction bending of button mechanism, the second locking piece protrusion 52 is set
It sets on the right side of 56 lower end of the second lock body, open circuit is pivotably arranged to by the first pivot 4 in the middle part of the second lock body 56
On device shell 6.
Preferably, as shown in Figures 3 and 4, second locking piece 5 further includes the first fitting projection 51, the first fitting projection
51 are arranged in the second lock body 56 of the second locking piece 5, and the first fitting projection 51 and the second locking piece protrusion 56
In the same side of the rotation center of the second locking piece 5.Specifically, as shown in Figures 3 and 4, the setting of the first fitting projection 51 exists
The left side of second lock body 56, between the first pivot 4 and the second locking piece protrusion 52, and the first fitting projection 51 with
The distance of first pivot 4 < first fitting projection 51 is at a distance from the second locking piece protrusion 52.
Preferably, as shown in Figures 6 and 7, second locking piece 5 further includes third fitting projection 53, third fitting projection
53 are arranged in the second lock body 56 of the second locking piece 5, and the second locking piece protrusion 52 and third of the second locking piece 5
Fitting projection 53 is located at the same end of the second lock body 56.Specifically, direction as shown in Figures 6 and 7, the third cooperation is convex
It plays 53 to be arranged on front side of the lower end of the second lock body 56, be disposed adjacent with the second locking piece protrusion 52, third fitting projection
53 are located at the left side of the second locking piece protrusion 52.
Preferably, as shown in Figures 9 and 10, second locking piece 5 further includes the second fitting projection 54, the second fitting projection
54 are arranged in the second lock body 56 of the second locking piece 5, and the second lock of the second fitting projection 54 and the second locking piece 5
Determine the same side that part protrusion 52 is located at the rotation center of the second locking piece 5.Specifically, direction as shown in Figures 9 and 10, described second
The left side of the second lock body 56 is arranged in fitting projection 54, and the second fitting projection 54 is located at the first pivot 4 and the second locking
Between part protrusion 52, the upper end of the second fitting projection 54 is concordant with the first pivot 4.Preferably, second locking piece 5 is integrated
Formula structure.
Preferably, as shown in fig. 6, the operating mechanism 7 includes driving member 8, second connecting rod 70, lock 71, tripping 73, branch
Gripping member 72 and first back-moving spring 74, driving member 8 and supporter 72 are pivotably arranged to respectively in circuit breaker housing 6, latch 71 Hes
Tripping 73 is pivotably arranged to respectively on supporter 72, and button mechanism 1 is connected by its first connecting rod 9 with the driving of driving member 8, is driven
Part 8 is connected by 71 driving of the lock of second connecting rod more than 70, lock 70 and 73 snap fit of tripping, supporter 74 and 57 phase of moving contact
Even.Specifically, as shown in fig. 6, the setting of the driving member 8 between button mechanism 1 and supporter 72, passes through the second pivot and pivots
It is arranged in circuit breaker housing 6, supporter 72 is pivotably arranged in circuit breaker housing 6 by third pivot, and tripping 73 passes through the
Three pivots are pivotably arranged on supporter 72, and lock 71 is pivotably arranged on supporter 72 by the 4th pivot.
Preferably, as shown in figs 6-8, the driving member 8 includes third position limit arm 81,81 one end of third position limit arm and transmission
Part 8 is connected.Push button mechanism 1 makes miniature circuit breaker close a floodgate, while button mechanism 1 drives 8 turns of driving member by first connecting rod 9
Dynamic, driving member 8 drives 81 clockwise oscillation of third position limit arm, keeps third position limit arm 81 and the third cooperation of the second locking piece 5 convex
Play 53 limit cooperations.
As shown in fig. 6, miniature circuit breaker of the invention further include be arranged in short current protective mechanism below operating mechanism 7 and
The overload protecting mechanism in 7 left side of operating mechanism is set, short current protective mechanism includes magnetictrip, when there is short trouble,
Magnetictrip drives tripping 73 to rotate, and tripping 73 and lock 71 is made to release snap fit, and operating mechanism 7 acts, supporter 72
Moving contact 57 and static contact 570 is driven to disconnect, overload protecting mechanism includes bimetal leaf, when there is overload fault, bimetal leaf
It drives tripping 73 to rotate, tripping 73 and lock 71 is made to release snap fit, operating mechanism 7 acts, and supporter 72 drives moving contact
57 disconnect with static contact 570.
Preferably, as shown in fig. 6,73 Wei " Shang of the tripping " structure comprising the first arm of tripping, the second arm of tripping and jump
Third arm is detained, the second arm of tripping is in a straight line with tripping third arm, and the first arm of tripping is located at the second arm of tripping and tripping
Between third arm, and it is vertical with straight line where the two, 71 snap fits of the first arm of tripping and lock, the second arm of tripping and overload are protected
Mechanism driving cooperation is protected, tripping third arm and short current protective mechanism driving cooperate.
It should be pointed out that the lock 71 and the snap fit of tripping 73 refer to: 71 one end of lock and tripping 73 1
End overlap joint, and limits the movement of tripping 73, and once latches 71 and be destroyed with the bonding relation of tripping 73, then tripping 73 no longer by
The limitation of lock 71.
Preferably, as shown in FIG. 11 and 12, the circuit breaker housing 6 includes spring retainer protrusion 603, the first Lock spring
3 one end are connected with the second locking piece 5, and the other end is connected with spring retainer protrusion 603.Further, as shown in figure 12, drawing is pressed
Button mechanism 1, button mechanism 1 drive the rotation of the second locking piece 5, make the second locking piece of the second locking piece 5 by swing arm 55 and spring
The limit cooperation of retention bead 603 avoids the second locking piece 5 from occurring excessively to swing to limit the slewing area of the second locking piece 5,
The driving for destroying button mechanism 1 and the second locking piece 5 cooperates.Specifically, as shown in FIG. 11 and 12, button mechanism 1 is pulled up,
First drive rod 91 of button mechanism 1 drives the second locking piece 5 to rotate clockwise, and limits the second locking piece by swing arm 55 and spring
603 limit cooperation of position protrusion, if first drive rod 91 is excessively pulled, then having can without the limitation of spring retainer protrusion 603
The first drive rod 91 can be made to be moved to its upside by the downside of swing arm 55 by the second locking piece, and the second locking piece 5 can be first
It is resetted under the driving of Lock spring 3, then makes the first drive rod 91 that can not return back to the second locking piece by 52 downside of swing arm.It is above-mentioned
Situation is equally applicable to the button mechanism driving protrusion 13 of button mechanism 1 of the present invention and the second locking piece is driven by swing arm 55 and cooperated
Embodiment.
Preferably, as shown in Figure 1, being one embodiment of miniature circuit breaker of the invention.
Miniature circuit breaker of the invention comprising circuit breaker housing 6, button mechanism 1 and setting are in circuit breaker housing 6
Operating mechanism 7, short current protective mechanism, overload protecting mechanism, arc-extinguishing mechanism, leading-out terminal and end of incoming cables.The button mechanism 1 is sliding
Dynamic to be arranged on the right side of 6 upper end of circuit breaker housing, leading-out terminal setting is in 6 upper end of circuit breaker housing and is located on the left of button mechanism, goes out
Arc mechanism and short current protective mechanism or so are disposed side by side on 6 lower end of circuit breaker housing, and operating mechanism 7 is arranged in short current protective mechanism
Between button mechanism 1, overload protecting mechanism is arranged between leading-out terminal and arc-extinguishing mechanism, and is located at 7 left side of operating mechanism, into
Line end setting is in 6 lower end of circuit breaker housing and is located at below arc-extinguishing mechanism and short current protective mechanism.Miniature circuit breaker of the invention,
Its 6 inner space of circuit breaker housing both ensure that 6 Nei Ge mechanism of circuit breaker housing or element by reasonable planning and distribution
Reliable assembling and reasonable layout, and ensure that organic cooperation between each mechanism or element, keep the inside of circuit breaker housing 6 empty
Between be fully utilized, be conducive to the overall volume for reducing miniature circuit breaker of the present invention, meet miniature circuit breaker volume day
Become the development trend to become smaller.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of miniature circuit breaker, which is characterized in that it include button mechanism (1), circuit breaker housing (6), locking mechanism and
Locking mechanism position limiting structure；Button mechanism (1) setting is slidably matched in circuit breaker housing (6) one end with it, locking mechanism
Be pivotably arranged on circuit breaker housing (6), circuit breaker housing (6) include be arranged in one side and with locking mechanism corresponding matching
Second aperture (62), protruding from the outside of circuit breaker housing (6) from the second aperture (62) for locking mechanism biasing, is assembled with breaker
The shell of position limits cooperation；
When the miniature circuit breaker is in "on" position, locking mechanism and locking mechanism position limiting structure keep out cooperation, make locking machine
Structure can not be retracted into circuit breaker housing (6) at the second aperture (62)；Button mechanism (1) is pulled outside towards circuit breaker housing (6)
When, locking mechanism unlock is retracted into it at the second aperture (62) in circuit breaker housing (6) by button mechanism (1), and with it is disconnected
The shell of road device rigging position releases limit cooperation.
2. miniature circuit breaker according to claim 1, it is characterised in that: the locking mechanism includes the second locking piece (5)
With the second Lock spring (3), the second locking piece (5) is including the second lock body (56) and is separately positioned on the second locking piece
Second locking piece at main body (56) both ends is raised (52) by swing arm (55), the second locking piece, and the second lock body (56) pivots
It is arranged on circuit breaker housing (6), the second locking piece is cooperated by swing arm (55) and button mechanism (1) driving, the second Lock spring
(3) so that the second locking piece raised (52) is passed through the second aperture (62) prominent on the outside of circuit breaker housing (6), and assembled with breaker
The shell of position limits cooperation, pulls button mechanism (1) outside towards circuit breaker housing (6), button mechanism (1) passes through the second locking piece
By swing arm (55) driving the second locking piece (5) rotation, move the second locking piece raised (52) into circuit breaker housing (6), from
And the limit for releasing the shell of the second locking piece raised (52) and breaker rigging position cooperates.
3. miniature circuit breaker according to claim 2, it is characterised in that: when the miniature circuit breaker is in "on" position,
Locking mechanism position limiting structure and the second locking piece (5) keep out cooperation, and limitation the second locking piece (5) rotation prevents the second locking piece
The shell of raised (52) and breaker rigging position releases limit cooperation.
4. miniature circuit breaker according to claim 2, it is characterised in that: second locking piece (5) further includes that setting exists
The auxiliary section that cooperation is kept out with locking mechanism position limiting structure in second lock body (56), miniature circuit breaker are in combined floodgate shape
When state, cooperation is kept out in locking mechanism position limiting structure and auxiliary section, and limitation the second locking piece (5) rotates, after miniature circuit breaker separating brake,
Locking mechanism position limiting structure and mating part from.
5. miniature circuit breaker according to claim 2, it is characterised in that: the locking mechanism position limiting structure includes that setting exists
The first retention bead (110) on button mechanism (1), when miniature circuit breaker is in "on" position, the first retention bead (110) with
Second lock body (56) keeps out cooperation, and limitation the second locking piece (5) rotates, after miniature circuit breaker separating brake, the first limit convex
(110) are played to separate with the second lock body (56).
6. miniature circuit breaker according to claim 5, it is characterised in that: the auxiliary section of second locking piece (5) is to set
Set the first fitting projection (51) on the second lock body (56), and the first fitting projection (51) and the second locking piece protrusion
(52) it is located at the same side of the rotation center of the second locking piece (5)；When the miniature circuit breaker is in "on" position, the first limit
Cooperation is kept out in raised (110) and the first fitting projection (51), and limitation the second locking piece (5) rotates, after miniature circuit breaker separating brake, the
One retention bead (110) is separated with the first fitting projection (51).
7. miniature circuit breaker according to claim 2, it is characterised in that: further include operating mechanism (7), moving contact (57) and
Static contact (570), button mechanism (1) are connected with operating mechanism (7) driving, and operating mechanism (7) is connected with moving contact (57), move touching
Head (57) and static contact (570) are used cooperatively；When the miniature circuit breaker is in gate-dividing state, push button mechanism (1), button
Mechanism (1) drives operating mechanism (7) movement, and operating mechanism (7) drives moving contact (57) and static contact (56) to be closed.
8. miniature circuit breaker according to claim 7, it is characterised in that: the locking mechanism position limiting structure setting is operating
In mechanism (7), when miniature circuit breaker is in "on" position, locking mechanism position limiting structure and the second locking piece (5) keep out cooperation, limit
It makes the second locking piece (5) to rotate, after miniature circuit breaker separating brake, locking mechanism position limiting structure is separated with the second locking piece (5).
9. miniature circuit breaker according to claim 7, it is characterised in that: the button mechanism (1) include button head (10),
Button body (11) and first connecting rod (9), button head (10) setting is in button body (11) one end and protrudes in circuit breaker housing
(6) outside, first connecting rod (9) one end are connected with button body (11), and the other end is connected with operating mechanism (7)；Button mechanism (1)
Mobile towards combined floodgate direction, button mechanism (1) is driven by first connecting rod (9) driving operating mechanism (7) movement, operating mechanism (7)
Moving contact (57) and static contact (570) are closed；Button mechanism (1) is mobile towards separating brake direction, and button mechanism (1) passes through first connecting rod
(9) driving operating mechanism (7) movement, operating mechanism (7) drive moving contact (57) and static contact (570) to disconnect.
10. miniature circuit breaker according to claim 9, it is characterised in that: the operating mechanism (7) include driving member (8),
Second connecting rod (70), lock (71), tripping (73), supporter (72) and first back-moving spring (74), driving member (8) and supporter
(72) it is pivotably arranged to respectively on circuit breaker housing (6), latches (71) and tripping (73) is pivotably arranged to supporter respectively
(72) on, button mechanism (1) is connected by the first connecting rod (9) of button mechanism (1) with driving member (8) driving, and driving member (8) is logical
It crosses second connecting rod (70) to be connected with lock (71) driving, latches (70) and tripping (73) snap fit, supporter (72) and dynamic touching
Head (57) is connected, and supporter (72) is connected by first back-moving spring (74) with circuit breaker housing (6) elasticity；It is described small-sized disconnected
When road device is in "on" position, after tripping (73) is driven, tripping (73) and lock (71) is made to release snap fit, operating mechanism
(7) it acts, supporter (72) drives moving contact (57) and static contact (570) to disconnect.
The driving member (8) further includes third position limit arm (81), and locking mechanism position limiting structure includes third position limit arm (81), third
Position limit arm (81) one end is connected with driving member (8), when miniature circuit breaker is in "on" position, third position limit arm (81) other end with
Second locking piece (5) keeps out cooperation, limitation the second locking piece (5) rotation, after miniature circuit breaker separating brake, third position limit arm (81) with
Second locking piece (5) separation.
The auxiliary section of second locking piece (5) is the third fitting projection (53) being arranged on the second lock body (56),
Second locking piece protrusion (52) and third fitting projection (53) are located at the second lock body (56) the same end；Push button mechanism
(1) miniature circuit breaker is made to close a floodgate, while button mechanism (1) drives driving member (8) by the first connecting rod (9) of button mechanism (1)
Rotation, driving member (8) drive third position limit arm (81) to swing, and limit third position limit arm (81) with third fitting projection (53) and match
It closes, limitation the second locking piece (52) rotation.
The locking mechanism position limiting structure includes first connecting rod (9), when miniature circuit breaker is in combined floodgate transition, first connecting rod (9)
Keep out cooperation with the second locking piece (5) of locking mechanism, limit the rotation of the second locking piece (5), prevent the second locking piece (5) with
The shell of breaker rigging position releases limit and cooperates, after miniature circuit breaker separating brake, first connecting rod (9) and the second locking piece (5)
Separation.
The auxiliary section of second locking piece (5) is the second fitting projection (54) being arranged on the second lock body (56),
And second fitting projection (54) and the second locking piece raised (52) be located at rotation center the same side of the second locking piece (5)；It is described
When miniature circuit breaker is in "on" position, the one end of first connecting rod (9) being inserted on button body (11) and the second cooperation are convex
It plays (54) and keeps out cooperation, limitation the second locking piece (5) rotates, and after miniature circuit breaker separating brake, first connecting rod (9) and the second cooperation are convex
Play (54) separation.
The button mechanism (1) further includes connecting rod erecting bed (12), and connecting rod erecting bed (12) is arranged on button body (11), the
One connecting rod (9) one end is inserted on connecting rod erecting bed (12) and protrudes in connecting rod erecting bed (12) side, forms the first drive rod
(91), when miniature circuit breaker is in "on" position, cooperation is kept out in the first drive rod (91) and the second fitting projection (54).
The button mechanism (1) further includes that button mechanism drives raised (13), and button mechanism drives raised (13) to be arranged in button
In the button mechanism main body (11) of mechanism (1), is driven and cooperated by swing arm (55) with the second locking piece of the second locking piece (5)；It draws
Dynamic button mechanism (1), button mechanism (1) drive raised (13) to drive the second locking piece by swing arm (55), make by button mechanism
Second locking piece (5) rotation, the second locking piece raised (52) of the second locking piece (5) and the shell of breaker rigging position release
Limit cooperation.
The first connecting rod (9) and locking mechanism driving cooperate, and pull button mechanism (1) outside towards circuit breaker housing (6), first connects
Bar (9) drives the second locking piece by swing arm (55), rotates the second lock body (56), and the second lock body (56) drives
Second locking piece protrusion (52) is moved into circuit breaker housing (6), makes the second locking piece raised (52) and breaker rigging position
Shell release limit cooperation.
The first connecting rod (9) is U-shaped bar, and first connecting rod (9) one end passes through the connecting rod erecting bed (12) of button mechanism (1) and dashes forward
It out in connecting rod erecting bed (12) side, is formed the first drive rod (91), the second of the first drive rod (91) and the second locking piece (5)
Locking piece is driven by swing arm (55) to be cooperated；It pulls button mechanism (1), button mechanism (1) passes through the first drive rod (91) driving the
Two locking pieces rotate the second locking piece (5) by swing arm (55), the second locking piece raised (52) of the second locking piece (5) and disconnected
The shell of road device rigging position releases limit cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621744.XA CN109585233A (en) | 2018-12-28 | 2018-12-28 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621744.XA CN109585233A (en) | 2018-12-28 | 2018-12-28 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109585233A true CN109585233A (en) | 2019-04-05 |
Family
ID=65933265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811621744.XA Pending CN109585233A (en) | 2018-12-28 | 2018-12-28 | Miniature circuit breaker |
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| CN (1) | CN109585233A (en) |
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| CN110400727A (en) * | 2019-08-01 | 2019-11-01 | 浙江正泰电器股份有限公司 | Breaker |
| CN111968891A (en) * | 2020-08-17 | 2020-11-20 | 浙江思创电力科技股份有限公司 | Locking device and circuit breaker |
| WO2021093875A1 (en) * | 2019-11-15 | 2021-05-20 | 浙江正泰电器股份有限公司 | Plug-in circuit breaker |
| WO2021093879A1 (en) * | 2019-11-15 | 2021-05-20 | 浙江正泰电器股份有限公司 | Plug-in circuit breaker |
| CN113161204A (en) * | 2021-04-07 | 2021-07-23 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Emergency locking device for circuit breaker |
| WO2021208488A1 (en) * | 2020-04-13 | 2021-10-21 | 浙江正泰电器股份有限公司 | Circuit breaker |
| WO2021208492A1 (en) * | 2020-04-13 | 2021-10-21 | 浙江正泰电器股份有限公司 | Circuit breaker |
| US11972919B2 (en) | 2019-11-15 | 2024-04-30 | Zhejiang Chint Electrics Co., Ltd. | Plug-in circuit breaker |
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