CN208157348U - A kind of instantaneous adjustable tripping device and its mold cased circuit breaker - Google Patents
A kind of instantaneous adjustable tripping device and its mold cased circuit breaker Download PDFInfo
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- CN208157348U CN208157348U CN201820729032.9U CN201820729032U CN208157348U CN 208157348 U CN208157348 U CN 208157348U CN 201820729032 U CN201820729032 U CN 201820729032U CN 208157348 U CN208157348 U CN 208157348U
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- iron core
- tripping device
- mounting rack
- dynamic
- adjustable tripping
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Abstract
The utility model provides a kind of instantaneous adjustable tripping device and its mold cased circuit breaker, wherein instantaneous adjustable tripping device includes：Conducting connecting part；Static iron core is fixed on conducting connecting part；Dynamic iron core is articulated on the mounting rack being fixedly connected with conducting connecting part by first rotating shaft, has driving draw bar rotation when for short circuit, and draw bar drives operating mechanism movement, makes the first drive block of dynamic/static contact disjunction；Spring, for driving dynamic iron core to separate disconnection with static iron core；Adjustment structure is arranged on mounting rack, dynamic iron core can be driven to rotate, to adjust the spacing between dynamic iron core and static iron core.By the way that adjustment structure is arranged, the distance between sound iron core can be adjusted in assembly, reach preset snap action current value, compared with prior art, more secure and reliable ensure that the quality of product, in addition, the amount of parts of above-mentioned instantaneous adjustable tripping device is few, and assembly is efficient and convenient, improves production efficiency.
Description
Technical field
The utility model relates to mold cased circuit breaker technical fields, and in particular to a kind of instantaneous adjustable tripping device and its modeling
Shell type breaker.
Background technique
Mold cased circuit breaker can automatically cut off electric current after electric current is more than escape setting, and usually there is overload delay to protect
Two kinds of functions of shield and short-circuit instantaneous protection.Short-circuit instantaneous protection is when short trouble occurs in load, and electric current is more than normal current
Several times, sound iron core generate electromagnetic force be greater than reaction force spring active force, dynamic iron core to static iron core direction rotate
And be pulled together, dynamic iron core drives draw bar to rotate in action process, and then is acted by draw bar band pneumatic operating mechanism,
To make dynamic/static contact disjunction.
Currently, the structure of instantaneous protection trip gear is more complicated, and the distance between sound iron core be it is nonadjustable, by
It is not high in the machining accuracy of reaction force spring, it is difficult to ensure that between the sound iron core of the instantaneous protection trip gear of batch production
Distance reach preset value, so that snap action current value can be changed, therefore security reliability is not high.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome the knot of instantaneous protection trip gear in the prior art
Structure is more complicated, and the distance between sound iron core is nonadjustable technological deficiency, so that it is simple to provide a kind of structure, sound iron
The adjustable instantaneous adjustable tripping device of distance between core.
The utility model also provides a kind of mold cased circuit breaker with above-mentioned instantaneous adjustable tripping device.
For this purpose, the utility model provides a kind of instantaneous adjustable tripping device, including：
Conducting connecting part；
Static iron core is fixed on the conducting connecting part；
Dynamic iron core is articulated on the mounting rack being fixedly connected with the conducting connecting part by first rotating shaft, is had and is used for
Draw bar rotation is driven when short-circuit, the draw bar driving operating mechanism movement makes the first drive block of dynamic/static contact disjunction；
Spring is located on the mounting rack, for driving the dynamic iron core to separate disconnection with the static iron core；
Adjustment structure is arranged on the mounting rack, and the dynamic iron core can be driven to rotate, with adjust the dynamic iron core with
Spacing between the static iron core.
As a preferred embodiment, the adjustment structure is adjusting screw, after the through-hole for passing through the mounting rack
It is abutted with one end of the dynamic iron core.
As a preferred embodiment, there are two the first rotations for being arranged in the first rotating shaft two sides for the dynamic iron core tool
Arm, the second rotating arm, the end of the first rotating arm, which is equipped with, cooperates the second drive block abutted with the adjusting screw, and
With the first drive block of draw bar cooperation driving.
As a preferred embodiment, the spring is set in the first rotating shaft, one end and the fixed company of the mounting rack
It connects, the other end is abutted with second rotating arm.
As a preferred embodiment, the spring is two torsional springs being sheathed in the first rotating shaft, two torsions
The both ends of spring are fixedly connected with the mounting rack respectively, and centre, which has, cooperates the bullet abutted with the reset surface of second rotating arm
Property connecting rod.
As a preferred embodiment, the conducting connecting part is Z-shaped, is connect including disposed in parallel with connecting terminal
First conductive plate, third conductive plate and the second conduction for the static iron core and the mounting rack to be fixedly mounted being vertically arranged
Plate.
A kind of mold cased circuit breaker, including instantaneous adjustable tripping device as described above.
A kind of instantaneous adjustable tripping device and its mold cased circuit breaker provided by the utility model, have the following advantages that：
1. the instantaneous adjustable tripping device of the utility model, including conducting connecting part, static iron core, dynamic iron core, mounting rack, bullet
Spring and adjustment structure, wherein dynamic iron core is articulated on the mounting rack being fixedly connected with conducting connecting part by first rotating shaft, tool
There is driving draw bar rotation when for short circuit, draw bar drives operating mechanism movement, makes the first drive block of dynamic/static contact disjunction；
Adjustment structure is arranged on mounting rack, dynamic iron core can be driven to rotate, to adjust the spacing between dynamic iron core and static iron core.This
The instantaneous adjustable tripping device of utility model, by be arranged adjustment structure, assembly when can adjust between sound iron core away from
From, preset value is reached, compared with prior art, more secure and reliable, in addition, the components of above-mentioned instantaneous adjustable tripping device
Quantity is few, and assembly is efficient and convenient, improves production efficiency.
2. the instantaneous adjustable tripping device of the utility model, there are two be arranged in the first of first rotating shaft two sides to dynamic iron core tool
Rotating arm, the second rotating arm, the end of first rotating arm, which is equipped with, cooperates the second drive block abutted with adjusting screw, and with lead
Draw the first drive block of bar cooperation driving.When assembling and setting, first rotating arm being rotated by adjusting screw of dynamic iron core,
Make the second rotating arm towards the direction movement close to or far from static iron core, so as to adjust the spacing between sound iron core, above-mentioned knot
Structure set-up mode is simple, easy to assembly.
3. the instantaneous adjustable tripping device of the utility model, spring is two torsional springs being sheathed in first rotating shaft, two
The both ends of torsional spring are fixedly connected with mounting rack respectively, and centre has the elasticity abutted with the cooperation of the reset surface of the second rotating arm even
Bar makes the reset force of dynamic iron core rapidly and parking position accuracy using the reset mode of torsion spring cooperation elastic link.
4. the instantaneous adjustable tripping device of the utility model, conducting connecting part is Z-shaped, including disposed in parallel and wiring
First conductive plate of terminal connection, third conductive plate and what is be vertically arranged lead for static iron core and the second of mounting rack to be fixedly mounted
Battery plate.The structure of conducting connecting part is simple, easy to assembly with static iron core and mounting rack.
5. the mold cased circuit breaker of the utility model, including instantaneous adjustable tripping device as described above, therefore have naturally
Have because using all advantages brought by above-mentioned instantaneous adjustable tripping device.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the prior art or specific embodiment of the present invention, below to existing
There is attached drawing used in technology or specific embodiment description to be briefly described, it should be apparent that, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of instantaneous adjustable tripping device in embodiment 1.
Fig. 2 is that the structural schematic diagram after draw bar is removed in Fig. 1.
Fig. 3 is the main view of Fig. 2.
Fig. 4 is the assembling structure schematic diagram of dynamic iron core, spring and adjustment structure.
Fig. 5 is the structural schematic diagram that Fig. 4 turns over certain angle.
Fig. 6 is the assembling structure schematic diagram of conducting connecting part, static iron core, mounting rack.
Fig. 7 is the decomposition texture schematic diagram of conducting connecting part, static iron core, mounting rack.
Fig. 8 is that instantaneous adjustable tripping device is mounted on the structural schematic diagram on mold cased circuit breaker in embodiment 1.
Appended drawing reference：1, conducting connecting part；11, the first conductive plate；12, the second conductive plate；13, third conductive plate；2, quiet
Iron core；3, dynamic iron core；31, first rotating arm；311, the first drive block；312, the second drive block；32, the second rotating arm；4, pacify
It shelves；41, first rotating shaft；5, adjusting screw；6, torsional spring；61, elastic link；7, draw bar.
Specific embodiment
The technical solution of the utility model is described with reference to the accompanying drawings of the specification, it is clear that following embodiments are not
It is the embodiment of the utility model whole.Based on the utility model described embodiment, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of other creative works is made, the protection scope of the utility model is belonged to.
It should be noted that term " first ", " second " are used for description purposes only in the description of the present invention, and
It cannot be understood as indicating or implying relative importance.In addition, involved in the utility model different embodiments disclosed below
And technical characteristic can be combined with each other as long as they do not conflict with each other.
Embodiment 1
The present embodiment provides a kind of instantaneous adjustable tripping devices, as shown in Figure 1-3, include：Conducting connecting part 1；Static iron core
2, it is fixed on conducting connecting part 1；Dynamic iron core 3 is articulated in by first rotating shaft 41 and to be fixedly connected with conducting connecting part 1
On mounting rack 4, driving draw bar 7 is rotated when having for short circuit, and draw bar 7 drives operating mechanism movement, makes dynamic/static contact point
The first disconnected drive block 311；Spring is located on mounting rack 4, for driving dynamic iron core 3 to separate disconnection with static iron core 2；Adjust knot
Structure is arranged on mounting rack 4, dynamic iron core 3 can be driven to rotate, to adjust the spacing between dynamic iron core 3 and static iron core 2.This reality
The instantaneous adjustable tripping device for applying example can adjust the distance between sound iron core in assembly, make by the way that adjustment structure is arranged
It reaches preset value, and compared with prior art, more secure and reliable ensure that the quality of product, in addition, above-mentioned instantaneous adjustable tripping
The amount of parts of device is few, and assembly is efficient and convenient, improves production efficiency.
In the present embodiment, adjustment structure is adjusting screw 5, passes through one with dynamic iron core 3 after the through-hole of mounting rack 4
End abuts.
The instantaneous adjustable tripping device of the present embodiment, as shown in figure 4, there are two be arranged in first rotating shaft 41 to the tool of dynamic iron core 3
The first rotating arm 31 of two sides, the second rotating arm 32, the end of first rotating arm 31 are equipped with for cooperating with adjusting screw 5 and abutting
Two drive blocks 312, and the first drive block 311 with the cooperation driving of draw bar 7.When assembling and setting, the first rotation of dynamic iron core 3
Arm 31 is rotated by adjusting screw 5, and the second rotating arm 32 is driven to move towards the direction close to or far from static iron core 2,
So as to adjust the spacing between sound iron core, above structure set-up mode is simple, easy to assembly.
In the present embodiment, spring is set in first rotating shaft 41, and one end is fixedly connected with mounting rack 4, the other end and second
Rotating arm 32 abuts.
In the present embodiment, as shown in figure 5, spring is two torsional springs 6 being sheathed in first rotating shaft 41, two torsional springs 6
Both ends are fixedly connected with mounting rack 4 respectively, and centre, which has, cooperates the elastic link 61 abutted with the reset surface of the second rotating arm 32.
The reset mode for cooperating elastic link 61 using torsion spring 6 makes the reset force of dynamic iron core 3 rapidly and parking position accuracy.
The instantaneous adjustable tripping device of the present embodiment, as shown in Figures 6 and 7, conducting connecting part 1 are Z-shaped, including are set in parallel
The first conductive plate 11 being connect with connecting terminal for setting, third conductive plate 13 and be vertically arranged for static iron core 2 to be fixedly mounted
With the second conductive plate 12 of mounting rack 4.The structure of conducting connecting part 1 is simple, easy to assembly with static iron core 2 and mounting rack 4.
The working principle of instantaneous adjustable tripping device：
When normal work, the operating current for flowing through conducting connecting part 1 can magnetize static iron core 2 and dynamic iron core 3, and static iron core 2 is right
The attraction that dynamic iron core 3 generates is less than spring to the reaction force of dynamic iron core 3, and sound iron core is in disjunction state；
When loading terminal shortcircuit, the short circuit current for flowing through conducting connecting part 1 can be increased rapidly, and static iron core 2 generates dynamic iron core 3
Attraction be significantly larger than the reaction force of spring, dynamic iron core 3 overcomes the reaction force of spring to rapid close to 2 direction of static iron core
Rotation, is pulled together with static iron core 2, and during rotation, the first drive block 311 that one end is arranged in is hit dynamic iron core 3
Draw bar 7, and then drive dynamic/static contact to disconnect by operating mechanism, realize separating brake.
Embodiment 2
The present embodiment provides a kind of mold cased circuit breakers, as shown in figure 8, include pedestal and be set on the base as implement
Instantaneous adjustable tripping device described in example 1, therefore have naturally because using all brought by above-mentioned instantaneous adjustable tripping device
Advantage.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in the protection scope of the utility model.
Claims (7)
1. a kind of instantaneous adjustable tripping device, it is characterised in that：Including：
Conducting connecting part (1)；
Static iron core (2) is fixed on the conducting connecting part (1)；
Dynamic iron core (3) is articulated on the mounting rack (4) being fixedly connected with the conducting connecting part (1) by first rotating shaft (41),
Driving draw bar (7) rotation when with for short circuit, draw bar (7) the driving operating mechanism movement, makes dynamic/static contact disjunction
The first drive block (311)；
Spring is located on the mounting rack (4), for driving the dynamic iron core (3) to separate disconnection with the static iron core (2)；
Adjustment structure is arranged on the mounting rack (4), the dynamic iron core (3) can be driven to rotate, to adjust the dynamic iron core
(3) spacing between the static iron core (2).
2. instantaneous adjustable tripping device according to claim 1, it is characterised in that：The adjustment structure is adjusting screw
(5), it is abutted after passing through the through-hole of the mounting rack (4) with one end of the dynamic iron core (3).
3. instantaneous adjustable tripping device according to claim 2, it is characterised in that：There are two cloth for dynamic iron core (3) tool
First rotating arm (31), the second rotating arm (32) in the first rotating shaft (41) two sides are set, the first rotating arm (31)
End, which is equipped with, cooperates the second drive block (312) abutted with the adjusting screw (5), and cooperates with the draw bar (7) and drive
Dynamic the first drive block (311).
4. instantaneous adjustable tripping device according to claim 3, it is characterised in that：The spring is set in described first turn
On axis (41), one end is fixedly connected with the mounting rack (4), and the other end is abutted with second rotating arm (32).
5. instantaneous adjustable tripping device according to claim 4, it is characterised in that：The spring is to be sheathed on described first
Two torsional springs (6) in shaft (41), the both ends of two torsional springs (6) are fixedly connected with the mounting rack (4) respectively, intermediate
With the elastic link (61) abutted with the cooperation of the reset surface of second rotating arm (32).
6. instantaneous adjustable tripping device described in -5 any one according to claim 1, it is characterised in that：The conducting connecting part
(1) be Z-shaped, including the first conductive plate (11) disposed in parallel being connect with connecting terminal, third conductive plate (13) and vertically
What is be arranged is used to be fixedly mounted the second conductive plate (12) of the static iron core (2) and the mounting rack (4).
7. a kind of mold cased circuit breaker, it is characterised in that：Including instantaneous adjustable tripping as claimed in any one of claims 1 to 6
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729032.9U CN208157348U (en) | 2018-05-16 | 2018-05-16 | A kind of instantaneous adjustable tripping device and its mold cased circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729032.9U CN208157348U (en) | 2018-05-16 | 2018-05-16 | A kind of instantaneous adjustable tripping device and its mold cased circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208157348U true CN208157348U (en) | 2018-11-27 |
Family
ID=64387917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820729032.9U Active CN208157348U (en) | 2018-05-16 | 2018-05-16 | A kind of instantaneous adjustable tripping device and its mold cased circuit breaker |
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| Country | Link |
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| CN (1) | CN208157348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449064A (en) * | 2018-12-15 | 2019-03-08 | 浙江正泰电器股份有限公司 | Electromagnetic tripping apparatus and breaker |
-
2018
- 2018-05-16 CN CN201820729032.9U patent/CN208157348U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449064A (en) * | 2018-12-15 | 2019-03-08 | 浙江正泰电器股份有限公司 | Electromagnetic tripping apparatus and breaker |
| WO2020119336A1 (en) * | 2018-12-15 | 2020-06-18 | 浙江正泰电器股份有限公司 | Electromagnetic tripping device and circuit breaker |
| CN109449064B (en) * | 2018-12-15 | 2024-05-14 | 浙江正泰电器股份有限公司 | Electromagnetic trip device and circuit breaker |
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