CN209328824U - Breaker - Google Patents
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- CN209328824U CN209328824U CN201822154974.1U CN201822154974U CN209328824U CN 209328824 U CN209328824 U CN 209328824U CN 201822154974 U CN201822154974 U CN 201822154974U CN 209328824 U CN209328824 U CN 209328824U
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- iron core
- installation
- reaction spring
- spring
- reaction
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Abstract
The utility model breaker, including shell and be installed on the intracorporal magnetictrip of shell, magnetictrip includes being installed on the intracorporal iron core of shell, reaction spring and the coil being wound in outside iron core, and reaction spring is that iron core acts and provides reaction force；When, there are when short trouble, iron core is overcome the reaction force of reaction spring mobile to side by the electromagnetism power drive of coil, and circuit is cut off in triggering unlocking mechanism tripping in route；Shell is equipped with for adjusting 3 one end installation site of counter-force bullet, and then changes the gear switch structure of the reaction force of reaction spring.The utility model circuit breaker electric magnetic release is when, there are when short trouble, iron core triggers unlocking mechanism tripping cutting circuit in route；It is additionally provided with gear switch structure on shell, by changing the installation site of spring one end, to change the deformation quantity of reaction spring, and then the short circuit current action value of magnetictrip is controlled, improves the suitability of magnetictrip and the overall performance of breaker.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, in particular to a kind of breaker.
Background technique
Electromagnetism magnetictrip is as a kind of protective device, when route short circuit currents are more than setting value, electromagnetism electromagnetism
Buckle releaser movement, makes operating mechanism thread off, circuit breaker trip, realizes the protection to route where breaker and load equipment.
Currently, the instantaneous trip device of miniature circuit breaker generallys use electromagnetic coil magnetictrip, electromagnetic coil electromagnetism
Buckle releaser generally has a skeleton, coil, dynamic iron core, fixed core, mandril, spring, and structure is complicated, and assembling process is cumbersome, and
The restoring force that iron core is subject to cannot be adjusted, after magnetictrip completes assembly, the short circuit current of magnetictrip is dynamic
It will be unable to adjust as value, magnetictrip must be dismantled if action value is unqualified and replaces built-in spring, thereby increases and it is possible to without suitable rule
The spring of lattice is replaceable.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of simple and compact for structure, performance safety
Stablize, magnetictrip circuit easy for assemble or unload.
To achieve the above object, the utility model adopts the technical scheme that
A kind of breaker, including shell include installation with the intracorporal magnetictrip of shell, the magnetictrip is installed on
In the intracorporal iron core 2 of shell, reaction spring 3 and the coil 4 being wound in outside iron core 2, reaction spring 3 provides anti-work for the movement of iron core 2
Firmly；When in route there are when short trouble, iron core 2 by the electromagnetism power drive of coil overcome the reaction force of reaction spring 3 to
Side is mobile, triggering unlocking mechanism tripping cutting circuit；The shell is equipped with for adjusting 3 one end installation position of reaction spring
It sets, and then changes the gear switch structure of the reaction force of reaction spring 3.
Further, the shell includes pedestal 1 and the lid with the fastening of pedestal 1, and iron core 2, reaction spring 3 and coil 4 are installed
In in pedestal 1, the gear switch structure is set on pedestal 1；Reaction spring 3 is located at the side of iron core 2, and unlocking mechanism is located at iron
The other side of the heart 2, gear switch structure are located at a upper side of iron core 2, and one end and shelves after elastic deformation occur for reaction spring 3
Position switching construction connection, the other end are abutted with one end of iron core 2, provide reaction force for the movement of iron core 2.
Further, the gear switch structure includes multiple installation grooves 52 with the installation cooperation of 3 one end of reaction spring, peace
It is formed between dress groove 52 for limiting the mobile spacing block set 51 in 3 one end of reaction spring.
Further, the bottom protrusion of the pedestal 1 of the shell is equipped with arc bump 53, and the multiple installation groove 52 is set to
The inner sidewall of arc bump 53, the directions of multiple installation grooves 52 is towards the center of circle of arc bump 53.
Further, the reaction spring 3 is leaf spring, and the side of one end towards the installation groove 52 of reaction spring 3 offers
Installation gap 301 is connected with the positive stop strip with the installation cooperation of installation gap 301 between the two sides side wall of the installation groove 52
521。
Further, the gear switch structure includes multiple protrusions that protrusion is set to base bottom, shape between multiple protrusions
At the installation groove with the installation cooperation of 3 one end of reaction spring.
Further, the iron core 2 includes mounting post 21, limit plate 22 and mandril 23；Limit plate 22 is connected to mounting post 21
One end, limit plate 22 stretches out the side wall of mounting post 21, the other end of reaction spring 3 and limit plate 22 towards the one of mounting post 21
Side abuts, and the end of mandril 23 is towards unlocking mechanism.
Further, the reaction spring 3 is equipped with the retention bead contacted with limit plate 22 towards the protrusion of limit plate 22
31。
Further, the bottom of the pedestal 1 of the shell is equipped with the installation cavity 105 for installing iron core 2 and coil 4, peace
Behave affectedly body 105 bottom end protrusion be equipped with limit plate 22 installation cooperation first boss 15, install cavity 105 bottom it is another
One end protrusion is equipped with the second boss 16 with the installation cooperation of mandril 23.
Further, the first boss 15 is equipped with the first circle with the installation cooperation of the end of limit plate 22 towards limit plate 22
Cambered surface 151, the limit plate 22 are equipped with the second circular arc with the installation cooperation of the first arc surface 151 towards the end of first boss 15
Face 221.
Further, the second boss 16 is equipped with the mandril mounting groove 161 with the installation cooperation of mandril 23.
The utility model circuit breaker electric magnetic release includes iron core, reaction spring and the coil being wound in outside iron core, counter-force
Spring provides reaction force for iron core movement；When, there are when short trouble, iron core is overcome by the electromagnetism power drive of coil in route
The reaction force of reaction spring is mobile to side, triggering unlocking mechanism tripping cutting circuit；Gear switch knot is additionally provided on shell
Structure, by changing the installation site of spring one end, to change the deformation quantity of reaction spring, thus required gram when changing iron core movement
The resistance of clothes, and then the short circuit current action value of magnetictrip is controlled, improve magnetictrip suitability and
The overall performance of breaker.
The utility model gear switch structure in arcuation protrusion by being arranged the one of multiple installation grooves and reaction spring
End installation cooperation, spacing block set limit the displacement of one end of reaction spring, and the mounting structure of reaction spring is reliable and stable.Work as counter-force
One end of spring is assemblied in the different installation grooves of pedestal, and the deformation quantity for playing reaction spring is different, so as to adjust counter-force bullet
The required resistance overcome the when reset force of spring, i.e. change iron core movement, and then the transient current action value of adjustable product.Together
When, by changing the thickness equal-specification parameter of reaction spring, also adjustable reset force, increases the adjustable of transient current action value
Section.Positive stop strip in the installation gap and installation groove of one end of reaction spring installs cooperation, further increases reaction spring
The stability of installation.The retention bead of reaction spring one end is conducive to the limit plate position for improving reaction spring and iron core
Stability, while reaction spring part when actual production process being convenient for take.
Detailed description of the invention
Fig. 1 is the internal structure chart of the utility model breaker；
Fig. 2 is the internal structure chart of the utility model circuit breaker base；
Fig. 3 is the structural schematic diagram of the utility model magnetictrip；
Fig. 4 is the structural schematic diagram in an orientation of the utility model reaction spring；
Fig. 5 is the structural schematic diagram in another orientation of the utility model reaction spring；
Fig. 6 is the structural schematic diagram of the utility model iron core；
Fig. 7 is the part-structure figure of the utility model pedestal.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 7 provides, the specific embodiment party of the breaker of the utility model is further illustrated
Formula.The breaker of the utility model is not limited to the following description.
As shown in Figure 1, the utility model breaker includes shell and is installed on the intracorporal electronic building brick of shell.Shell includes bottom
Seat 1 and the lid fastened with pedestal 1, are equipped with magnetictrip in pedestal 1.Magnetictrip is installed on the middle part side of pedestal 1,
The other side of magnetictrip is equipped with unlocking mechanism, when, there are when short trouble, magnetictrip mandril is by electromagnetism in route
The unlocking mechanism separating brake for pushing dynamic ejection triggering side, cuts off circuit, and then has the function that protect circuit.The utility model is disconnected
Road device is simple and compact for structure, and performance safety is stablized.
As shown in Figure 1, the magnetictrip of the utility model breaker includes being installed on the intracorporal iron core 2 of shell, counter-force bullet
Spring 3 and the coil 4 being wound in outside iron core 2, reaction spring 3 provide reaction force for the movement of iron core 2；It is former when there is short circuit in route
When barrier, iron core 2 is overcome the reaction force of reaction spring 3 mobile to side by the electromagnetism power drive of coil, and triggering unlocking mechanism is de-
Button cutting circuit；The shell is equipped with for adjusting 3 one end installation site of reaction spring, and then changes the anti-of reaction spring 3
The gear switch structure of active force.The utility model circuit breaker electric magnetic release includes iron core, reaction spring and is wound in iron core
Outer coil, reaction spring provide reaction force for iron core movement；When in route there are when short trouble, electricity of the iron core by coil
Magnetic drive overcomes the reaction force of reaction spring mobile to side, triggering unlocking mechanism tripping cutting circuit；It is also set on shell
There is gear switch structure, by changing the installation site of spring one end, to change the deformation quantity of reaction spring, to change iron core
The required resistance overcome when movement, and then the short circuit current action value of magnetictrip is controlled, improve magnetictrip
Suitability and breaker overall performance.
As shown in Figure 1, the above-mentioned gear switch structure of the utility model is set on pedestal 1；Reaction spring 3 is located at iron core 2
Side, unlocking mechanism are located at the other side of iron core 2, and gear switch structure is located at a upper side of iron core 2, and reaction spring 3 occurs
One end after elastic deformation is connect with gear switch structure, and the other end is abutted with one end of iron core 2, is provided for the movement of iron core 2 anti-
Active force.The internal structure layout of the utility model breaker is simple and compact.It should be noted that the utility model is not to disconnected
The inside integral layout of road device limits, and gear switch structure is also not limited to the position in the present embodiment, e.g., gear switch knot
Structure can also be set to the lower section of iron core 2.
As shown in Fig. 1,3,6, the structural schematic diagram of the utility model iron core.The utility model iron core 2 include mounting post 21,
Limit plate 22 and mandril 23；Limit plate 22 is connected to one end of mounting post 21, and limit plate 22 stretches out the side wall of mounting post 21, counter-force
The other end of spring 3 is abutted with the side of limit plate 22 towards mounting post 21, and the end of mandril 23 is towards unlocking mechanism.In circuit
When flowing through running current, the reaction force of reaction spring 3 is greater than magnetic force suffered by iron core 2, former when there is short circuit in circuit
When barrier, the magneticaction that iron core 2 is received is greater than the reaction force of reaction spring 3, and iron core 2 overcomes the reaction force court of reaction spring 3
It is acted to the side of unlocking mechanism, triggering unlocking mechanism unlock.
As shown in Fig. 2, the bottom protrusion of the pedestal 1 of the shell is equipped with arc bump 53, the utility model gear switch
Structure includes multiple installation grooves 52 with the installation cooperation of 3 one end of reaction spring, is formed between installation groove 52 anti-for limiting
The mobile spacing block set 51 in 3 one end of power spring；The multiple installation groove 52 is set to the inner sidewall of arc bump 53, multiple installations
The direction of groove 52 is towards the center of circle of arc bump 53.In embodiment in figure, set on arc bump 53 recessed there are three installing
Slot 52 forms two spacing block sets 51 between installation groove 52, it is clear that more can also be arranged in installation groove, spacing block set.
The utility model gear switch structure is installed by the way that multiple installation grooves 52 and one end of reaction spring 3 are arranged in arcuation protrusion
Cooperation, spacing block set limit the displacement of one end of reaction spring, and the mounting structure of reaction spring 3 is reliable and stable.Obviously, this is practical
Novel gear switching construction is not limited to above-described embodiment, and gear switch structure can also be set to the multiple of base bottom for protrusion
Protrusion, it is multiple protrusion between formed with 3 one end of reaction spring installation cooperation installation groove.When one end of reaction spring 3 is assembled
In the different installation grooves 52 of pedestal 1, the deformation quantity for playing reaction spring 3 is different, so as to adjust the reset of reaction spring 3
The required resistance overcome when power, i.e. change iron core movement, and then the transient current action value of adjustable product.Meanwhile by changing
Become the thickness equal-specification parameter of reaction spring 3, also adjustable reset force, increases the adjustable section of transient current action value.
As shown in Fig. 2,4,5, the utility model reaction spring 3 is leaf spring, and one end of reaction spring 3 is towards installation groove 52
Side offer installation gap 301, be connected between the two sides side wall of the installation groove 52 with installation gap 301 installation match
The positive stop strip 521 of conjunction.When installation, the installation gap 301 of one end of reaction spring 3 and the positive stop strip 521 in installation groove 52 are pacified
Assembly is closed, and the stability of reaction spring installation is further increased.In addition, reaction spring 3 is equipped with and limit towards the protrusion of limit plate 22
The retention bead 31 that position plate 22 contacts, retention bead 31 are bending arc-shaped, and the retention bead of 3 one end of reaction spring has
Conducive to the stability for 22 position of limit plate for improving reaction spring 3 and iron core 2, while convenient for counter-force bullet when actual production process
3 part of spring is taken.It should be noted that reaction spring 3 or spring, retention bead can also be triangle convex
Deng.
As shown in Fig. 2, in order to improve the stability of the utility model magnetictrip installation, the utility model breaker
The fixed structure for increasing magnetictrip mounting stability is additionally provided in pedestal 1.The bottom of the pedestal 1 of the shell is equipped with
For installing the installation cavity 105 of iron core 2 and coil 4, the bottom end protrusion of installation cavity 105 is equipped with to be installed with limit plate 22
The first boss 15 of cooperation, the bottom other end protrusion of installation cavity 105 are equipped with the second boss 16 with the installation cooperation of mandril 23.
The installation cavity bottom protrusion of the utility model is equipped with matches with the first protrusion of the limit plate of iron core installation cooperation and mandril installation
The second protrusion closed, increases the stability of iron core installation.Specifically, the first boss 15 is equipped with and limit towards limit plate 22
First arc surface 151 of the end installation cooperation of plate 22, the limit plate 22 are equipped with and first towards the end of first boss 15
Second arc surface 221 of the installation cooperation of arc surface 151.The second boss 16 is equipped with pacifies with the mandril of the installation cooperation of mandril 23
Tankage 161.When installation, the first arc surface 151 of second arc surface of the setting of first boss 15 221 and limit plate 22, which is installed, to be cooperated.
Mandril mounting groove 161 and the installation of mandril 23 in second boss 16 cooperate, and position to the installation site of iron core, improve iron core
The stability of installation.
Illustrate the installation process of the magnetictrip of the utility model breaker below with reference to Fig. 1-7.
First coil 4 is set on iron core 2, mounted coil 4 and iron core 2 are installed in installation cavity 105, first
First arc surface 151 of second arc surface of the setting of boss 15 221 and limit plate 22, which is installed, to be cooperated.Mandril peace in second boss 16
Tankage 161 and the installation of mandril 23 cooperate, and position to the installation site of iron core, improve the stability of iron core installation；
Then, one end of reaction spring 3 is installed in one of installation groove 52, the other end of reaction spring 3 with
Limit plate 22 is abutted towards the side of mounting post 21, completes the assembly of magnetictrip.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (10)
1. a kind of breaker, including shell and it is installed on the intracorporal magnetictrip of shell, it is characterised in that: the magnetictrip
Including being installed on the intracorporal iron core of shell (2), reaction spring (3) and being wound in the coil (4) of iron core (2) outside, reaction spring (3) is
Iron core (2) movement provides reaction force；When, there are when short trouble, iron core (2) is overcome by the electromagnetism power drive of coil in route
The reaction force of reaction spring (3) is mobile to side, triggering unlocking mechanism tripping cutting circuit；
The shell is equipped with the gear switch structure for adjusting reaction spring (3) one end installation site.
2. breaker according to claim 1, it is characterised in that: the shell includes pedestal (1) and fastens with pedestal (1)
Lid, iron core (2), reaction spring (3) and coil (4) be installed in pedestal (1), and the gear switch structure is set to pedestal (1)
On；
Reaction spring (3) is located at the side of iron core (2), and unlocking mechanism is located at the other side of iron core (2), and gear switch structure is located at
The side of iron core (2), one end that reaction spring (3) occurs after elastic deformation are connect with gear switch structure, the other end and iron core
(2) one end abuts, and provides reaction force for iron core (2) movement.
3. breaker according to claim 1 or 2, it is characterised in that: the gear switch structure includes multiple and counter-force
The installation groove (52) of cooperation is installed in spring (3) one end, is formed between installation groove (52) for limiting reaction spring (3) one end
Mobile spacing block set (51).
4. breaker according to claim 3, it is characterised in that: the bottom protrusion of the pedestal (1) of the shell is equipped with arc
Shape convex block (53), the multiple installation groove (52) are set to the inner sidewall of arc bump (53), the side of multiple installation grooves (52)
To the center of circle towards arc bump (53).
5. breaker according to claim 3, it is characterised in that: the reaction spring (3) is leaf spring, reaction spring (3)
The side of one end towards installation groove (52) offer installation gap (301), the two sides side wall of the installation groove (52) it
Between be connected with installation gap (301) installation cooperation positive stop strip (521).
6. breaker according to claim 1 or 2, it is characterised in that: the gear switch structure includes that protrusion is set to bottom
Seat bottom multiple protrusions, it is multiple protrusion between formed with reaction spring (3) one end installation cooperation installation groove.
7. breaker according to claim 1 or 2, it is characterised in that: the iron core (2) includes mounting post (21), limit
Plate (22) and mandril (23)；Limit plate (22) is connected to one end of mounting post (21), and limit plate (22) stretches out mounting post (21)
The other end of side wall, reaction spring (3) is abutted with the side of limit plate (22) towards mounting post (21), the end court of mandril (23)
To unlocking mechanism.
8. breaker according to claim 7, it is characterised in that: the reaction spring (3) is protruded towards limit plate (22)
Equipped with the retention bead (31) contacted with limit plate (22).
9. breaker according to claim 7, it is characterised in that: the bottom of the pedestal (1) of the shell is equipped with for pacifying
The installation cavity (105) of iron core (2) and coil (4) is filled, the bottom end protrusion of installation cavity (105) is equipped with and limit plate (22)
The first boss (15) of cooperation is installed, the bottom other end protrusion of installation cavity (105) is equipped with and mandril (23) installation cooperation
Second boss (16).
10. breaker according to claim 9, it is characterised in that: the first boss (15) sets towards limit plate (22)
There is the first arc surface (151) with the end of limit plate (22) installation cooperation, the limit plate (22) is towards first boss (15)
End be equipped with the first arc surface (151) installation cooperation the second arc surface (221), the second boss (16) be equipped with
The mandril mounting groove (161) of mandril (23) installation cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154974.1U CN209328824U (en) | 2018-12-24 | 2018-12-24 | Breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154974.1U CN209328824U (en) | 2018-12-24 | 2018-12-24 | Breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328824U true CN209328824U (en) | 2019-08-30 |
Family
ID=67727868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822154974.1U Active CN209328824U (en) | 2018-12-24 | 2018-12-24 | Breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328824U (en) |
-
2018
- 2018-12-24 CN CN201822154974.1U patent/CN209328824U/en active Active
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| GR01 | Patent grant |