CN109326495A - It is a kind of can quick-make miniature circuit breaker - Google Patents
It is a kind of can quick-make miniature circuit breaker Download PDFInfo
- Publication number
- CN109326495A CN109326495A CN201811363074.6A CN201811363074A CN109326495A CN 109326495 A CN109326495 A CN 109326495A CN 201811363074 A CN201811363074 A CN 201811363074A CN 109326495 A CN109326495 A CN 109326495A
- Authority
- CN
- China
- Prior art keywords
- quick
- circuit breaker
- brake component
- miniature circuit
- retention bead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims abstract description 20
- 230000014759 maintenance of location Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003825 pressing Methods 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/521—Details concerning the lever handle
Landscapes
- Breakers (AREA)
Abstract
It is a kind of can quick-make miniature circuit breaker.Mainly solve the problems, such as that present breaker closing is slow.It is characterized by: the operation handle is equipped with the brake component (5) rotated with the operation handle, the brake component circumferential direction wall is equipped with raised (51), the retaining wall (21) being correspondingly arranged on the bracket with the protrusion, the moving contact side is equipped with the static contact, the other side is equipped with energy-stored spring (31), and the retention bead is correspondingly arranged at the second position above the brake component after the installation is completed with the boss for the raised first position being correspondingly arranged in the escape groove including retention bead described when protruding into and the fixation hole.The present invention provide it is a kind of can quick-make miniature circuit breaker, quickly moving contact is driven to be closed by energy-stored spring energy storage when combined floodgate, using effect is more preferably.
Description
Technical field
The invention belongs to Low Voltage Electrical Apparatus, in particular to it is a kind of can quick-make miniature circuit breaker.
Background technique
Miniature circuit breaker has the characteristics of advanced structure, reliable performance, strong breaking capacity and small size, main to use
In exchange 50HZ or 60HZ, voltage rating 400V hereinafter, rated operational current is the place below 125A.Make office building, house
The overload and short-circuit protection of illumination, distribution line and equipment with similar building are used, and be can also be used as route and are infrequently led to
Disconnected operation is used with conversion, is mainly used for the various places such as industrial, commercial, high-rise and residential premises.
Main component inside miniature circuit breaker is operating mechanism and contact apparatus, by configuring corresponding delay, instantaneously
Mechanism realizes division route, overload, short-circuit protection function.Utilize short circuit current in the touching of dynamic and static contact on breaking technology
Electrodynamic repulsion force is generated at point, to shift to an earlier date arcing before instantaneous mechanism is not operating, reaches limit by the arc resistance that electric arc is formed
The purpose of stream.
In the prior art, when closing operation, handle rotation drives U-shaped bolt and then drives screw-home movement, hasp strap moving contact
System closure.In operation, handle torsional spring torque increases with handle rotation angle, contact system torsional spring torque by
Cumulative big closure in the process.Therefore the closing speed of contact system is still related with manual operation speed, thus influences conjunction
The reliability of lock and the operation lifetime of product.Therefore, breaker needs quick-make function to improve the reliability of product.
Summary of the invention
In order to overcome the shortcomings of background technique, the present invention provide it is a kind of can quick-make miniature circuit breaker, mainly solve
The slow problem of present breaker closing.
The technical scheme adopted by the invention is that:
It is a kind of can quick-make miniature circuit breaker, including shell is equipped with static contact and rotatable bracket, institute in the shell
It states and is hinged with moving contact on bracket, further include operation handle,
The operation handle is equipped with the brake component rotated with the operation handle, and the brake component circumferential direction wall is equipped with protrusion,
The retaining wall being correspondingly arranged on the bracket with the protrusion, the moving contact side are equipped with the static contact, and the other side is equipped with storage
Energy spring,
The protrusion is correspondingly arranged at first position and the fixation hole in the escape groove including retention bead described when protruding into
The retention bead is correspondingly arranged at the second position above the brake component after the installation is completed with the boss.
The retaining wall is equipped with tip, and the protrusion is equipped with the groove that cooperation is compressed with the tip.
It is equipped with the first sliding surface at the top of the retaining wall, the protrusion bottom is equipped with to be slidably matched with first sliding surface
Second sliding surface.
First sliding surface is arc-shaped surface.
The bracket is equipped with shaft, and torsional spring is arranged in the shaft, and the torsional spring is the energy-stored spring, the torsion
One of spring twists leg the back compressed with the moving contact.
There are also latching on the bracket, the torsional spring other end presses on the lock outer wall.
The handle circumferential direction wall is equipped with open slot, is equipped with boss in the open slot, the brake component be axially arranged with
The fixation hole that the boss is engaged by clamping, described the inner wall of the open slot are equipped with retention bead, the brake component circumferential direction and the limit
Protrusion is correspondingly provided with escape groove, the brake component include when protruding into the retention bead be correspondingly arranged at first not allowed in slot
Position and with the fixation hole and the boss after the installation is completed the retention bead be correspondingly arranged above the brake component the
Two positions.
There are three the retention bead is set.
The beneficial effects of the present invention are: the present invention provide it is a kind of can quick-make miniature circuit breaker, when combined floodgate passes through storage
Energy spring energy-storage quickly drives moving contact to be closed in turn, and using effect is more preferably.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of one embodiment of the invention.
Fig. 2 is the schematic diagram of internal structure of one embodiment of the invention.
Fig. 3 is the sectional perspective schematic diagram of one embodiment of the invention.
Fig. 4 is the enlarged diagram in Fig. 3 at A.
Fig. 5 is the sectional perspective schematic diagram of one embodiment of the invention.
Fig. 6 is the handle of one embodiment of the invention and the stereoscopic schematic diagram (first position) of brake component.
Fig. 7 is the handle of one embodiment of the invention and the schematic cross-sectional view (first position) of brake component.
Fig. 8 is the handle of one embodiment of the invention and the stereoscopic schematic diagram (second position) of brake component.
Fig. 9 is the handle of one embodiment of the invention and the schematic cross-sectional view (second position) of brake component.
Figure 10 is the bracket of one embodiment of the invention and the stereoscopic schematic diagram of moving contact.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings: as shown, it is a kind of can quick-make miniature circuit breaker,
Including shell 1, it is equipped with static contact 11 and rotatable bracket in the shell 1, is hinged with moving contact 3 on the bracket, also wraps
Include operation handle 4, the operation handle is equipped with the brake component 5 rotated with the operation handle, on the brake component circumferential direction wall
Equipped with protrusion 51, the retaining wall 21 being correspondingly arranged on the bracket with the protrusion, the moving contact side is equipped with the static contact,
The other side is equipped with energy-stored spring 31, and the protrusion includes the retention bead is correspondingly arranged in the escape groove when protruding into first
Position and the fixation hole and the boss after the installation is completed the retention bead be correspondingly arranged above the brake component second
Position.
When needing to be closed, rotational handle, brake component is rotated clockwise with handle on handle, but protrusion connects with retaining wall
Touching pushes bracket to rotate counterclockwise, which pushes moving contact to rotate counterclockwise by push plate 29, and energy-stored spring starts energy storage,
Handle is continued to rotate, convex block is staggered with retaining wall, and energy-stored spring releases energy, and pushes moving contact rapid closing.The present invention provides one
Kind can quick-make miniature circuit breaker, quickly moving contact is driven to be closed by energy-stored spring energy storage when combined floodgate, uses effect
Fruit is more preferably.
In the present embodiment, as shown, the retaining wall is equipped with tip 211, the protrusion is equipped with and the tip
211 compress the groove 511 of cooperation.When retaining wall and convex block compress, tip can be inserted into groove, it is easier to which stress uses
Better effect.
In the present embodiment, as shown, being equipped with the first sliding surface 212 at the top of the retaining wall, the protrusion bottom is equipped with
The second sliding surface 512 being slidably matched with first sliding surface.Realize the effect of guiding.
In the present embodiment, as shown, first sliding surface is arc-shaped surface.
In the present embodiment, as shown, the bracket is equipped with shaft, torsional spring, the torsion are arranged in the shaft
Spring is the energy-stored spring, and one of the torsional spring twists leg the back compressed with the moving contact.Herein using torsional spring, when
It so can also be using other elastic components, such as spring etc..
In the present embodiment, as shown, the torsional spring other end presses on the lock there are also lock 25 on the bracket
Detain outer wall.
In the present embodiment, it as shown, the handle circumferential direction wall is equipped with open slot 41, is equipped in the open slot convex
Platform 411, the brake component are axially arranged with the fixation hole 52 being engaged by clamping with the boss, and described the inner wall of the open slot is equipped with limit convex
412 are played, the brake component is circumferential to be correspondingly provided with escape groove 53 with the retention bead, and the brake component includes limit when protruding into
Position protrusion be correspondingly arranged at the first position not allowed in slot and with the fixation hole and the boss limit after the installation is completed
Position protrusion is correspondingly arranged at the second position above the brake component.When installation, after brake component is packed into place to lower pressing
It is rotated afterwards with boss clamping engagement (or clearance fit), so that the upper surface of brake component is located at the lower section of retention bead, prevent from making
Moving part abjection.
In the present embodiment, as shown, there are three the retention bead sets.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
The embodiment being described with reference to the drawings is exemplary, it is intended to is used to explain the present invention, and be should not be understood as to this hair
Bright limitation.Embodiment is not construed as limitation of the present invention, but any based on spiritual improvements introduced of the invention, all should be
Within protection scope of the present invention.
Claims (8)
1. one kind can quick-make miniature circuit breaker, including shell (1) is equipped with static contact (11) in the shell (1) and can
The bracket of rotation is hinged with moving contact (3) on the bracket, further includes operation handle (4), it is characterised in that:
The operation handle is equipped with the brake component (5) rotated with the operation handle, and the brake component circumferential direction wall is equipped with convex
It rises (51), the retaining wall (21) being correspondingly arranged on the bracket with the protrusion, the moving contact side is equipped with the static contact, separately
Side is equipped with energy-stored spring (31),
The protrusion include when protruding into the retention bead be correspondingly arranged at first position in the escape groove and
The retention bead is correspondingly arranged at the second above the brake component to the fixation hole after the installation is completed with the boss
It sets.
2. one kind according to claim 1 can quick-make miniature circuit breaker, it is characterised in that: the retaining wall is equipped with
Tip (211), the protrusion are equipped with the groove (511) that cooperation is compressed with the tip (211).
3. one kind according to claim 2 can quick-make miniature circuit breaker, it is characterised in that: set at the top of the retaining wall
Have the first sliding surface (212), the protrusion bottom is equipped with the second sliding surface (512) being slidably matched with first sliding surface.
4. one kind according to claim 3 can quick-make miniature circuit breaker, it is characterised in that: first sliding surface
For arc-shaped surface.
5. one kind according to claim 4 can quick-make miniature circuit breaker, it is characterised in that: the bracket is equipped with
Shaft, is arranged with torsional spring in the shaft, and the torsional spring is the energy-stored spring, one of the torsional spring twist leg compress with it is described
The back of moving contact.
6. one kind according to claim 5 can quick-make miniature circuit breaker, it is characterised in that: on the bracket also
It latches (25), the torsional spring other end presses on the lock outer wall.
7. one kind according to claim 6 can quick-make miniature circuit breaker, it is characterised in that: the handle circumferential direction wall
It is equipped with open slot (41), is equipped with boss (411) in the open slot, the brake component is axially arranged with matches with boss clamping
The fixation hole (52) of conjunction, described the inner wall of the open slot are equipped with retention bead (412), the brake component circumferential direction and the retention bead pair
Escape groove (53) should be equipped with, the brake component include when protruding into the retention bead be correspondingly arranged at first not allowed in slot
Set and with the fixation hole and the boss after the installation is completed the retention bead be correspondingly arranged above the brake component second
Position.
8. one kind according to claim 7 can quick-make miniature circuit breaker, it is characterised in that: the retention bead is set
There are three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363074.6A CN109326495B (en) | 2018-11-16 | 2018-11-16 | But quick closing's miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363074.6A CN109326495B (en) | 2018-11-16 | 2018-11-16 | But quick closing's miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109326495A true CN109326495A (en) | 2019-02-12 |
| CN109326495B CN109326495B (en) | 2023-12-29 |
Family
ID=65258341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811363074.6A Active CN109326495B (en) | 2018-11-16 | 2018-11-16 | But quick closing's miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109326495B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1137037A2 (en) * | 2000-03-17 | 2001-09-26 | AEG Niederspannungstechnik GmbH & Co. KG | Remote control using microswitches for electrical switchgear |
| US6323748B1 (en) * | 1999-08-27 | 2001-11-27 | Eaton Corporation | Circuit interrupter with improved handle |
| CN103337426A (en) * | 2013-05-31 | 2013-10-02 | 浙江天正电气股份有限公司 | Micro breaker having rapid closing device |
| CN103632897A (en) * | 2013-10-31 | 2014-03-12 | 上海永继电气股份有限公司 | Operating mechanism of miniature circuit breaker |
| CN206040567U (en) * | 2016-04-29 | 2017-03-22 | 上海良信电器股份有限公司 | Elastic energy storage drive mechanism |
| CN107026031A (en) * | 2017-05-05 | 2017-08-08 | 佳电气有限公司 | instantaneous closing structure and switching device |
| CN207938552U (en) * | 2018-04-06 | 2018-10-02 | 环宇集团浙江高科股份有限公司 | A kind of breaker snap close operation mechanism |
| CN208970469U (en) * | 2018-11-16 | 2019-06-11 | 浙江天正电气股份有限公司 | It is a kind of can quick-make miniature circuit breaker |
-
2018
- 2018-11-16 CN CN201811363074.6A patent/CN109326495B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6323748B1 (en) * | 1999-08-27 | 2001-11-27 | Eaton Corporation | Circuit interrupter with improved handle |
| EP1137037A2 (en) * | 2000-03-17 | 2001-09-26 | AEG Niederspannungstechnik GmbH & Co. KG | Remote control using microswitches for electrical switchgear |
| CN103337426A (en) * | 2013-05-31 | 2013-10-02 | 浙江天正电气股份有限公司 | Micro breaker having rapid closing device |
| CN103632897A (en) * | 2013-10-31 | 2014-03-12 | 上海永继电气股份有限公司 | Operating mechanism of miniature circuit breaker |
| CN206040567U (en) * | 2016-04-29 | 2017-03-22 | 上海良信电器股份有限公司 | Elastic energy storage drive mechanism |
| CN107026031A (en) * | 2017-05-05 | 2017-08-08 | 佳电气有限公司 | instantaneous closing structure and switching device |
| CN207938552U (en) * | 2018-04-06 | 2018-10-02 | 环宇集团浙江高科股份有限公司 | A kind of breaker snap close operation mechanism |
| CN208970469U (en) * | 2018-11-16 | 2019-06-11 | 浙江天正电气股份有限公司 | It is a kind of can quick-make miniature circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109326495B (en) | 2023-12-29 |
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