CN208970469U - 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
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- CN208970469U CN208970469U CN201821885858.0U CN201821885858U CN208970469U CN 208970469 U CN208970469 U CN 208970469U CN 201821885858 U CN201821885858 U CN 201821885858U CN 208970469 U CN208970469 U CN 208970469U
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- quick
- circuit breaker
- brake component
- miniature circuit
- make miniature
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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 utility model 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 utility model 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 63A.Make office building, house and
The illumination of similar building, the overload of distribution line and equipment and short-circuit protection are used, and can also be used as route infrequently on-off
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.
Utility model content
In order to overcome the shortcomings of background technique, the utility model provide it is a kind of can quick-make miniature circuit breaker, mainly
Solve the problems, such as that present breaker closing is slow.
The technical scheme adopted by the utility model is
It is a kind of can quick-make miniature circuit breaker, including shell is equipped with static contact and rotatable branch in the shell
Frame is hinged with moving contact on the bracket, further includes 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 convex
It rises, the retaining wall being correspondingly arranged on the bracket with the protrusion, the moving contact side is equipped with the static contact, and the other side is equipped with
Energy-stored spring,
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, and the brake component 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.
There are three the retention bead is set.
The beneficial effects of the utility model are: the utility model provide it is a kind of can quick-make miniature circuit breaker, close a floodgate
When quickly moving contact is driven to be closed by energy-stored spring energy storage, using effect is more preferably.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the utility model one embodiment.
Fig. 2 is the schematic diagram of internal structure of the utility model one embodiment.
Fig. 3 is the sectional perspective schematic diagram of the utility model one embodiment.
Fig. 4 is the enlarged diagram in Fig. 3 at A.
Fig. 5 is the sectional perspective schematic diagram of the utility model one embodiment.
Fig. 6 is the handle of the utility model one embodiment and the stereoscopic schematic diagram (first position) of brake component.
Fig. 7 is the handle of the utility model one embodiment and the schematic cross-sectional view (first position) of brake component.
Fig. 8 is the handle of the utility model one embodiment and the stereoscopic schematic diagram (second position) of brake component.
Fig. 9 is the handle of the utility model one embodiment and the schematic cross-sectional view (second position) of brake component.
Figure 10 is the bracket of the utility model one embodiment and the stereoscopic schematic diagram of moving contact.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing: as shown, it is a kind of can quick-make it is small-sized disconnected
Road device, including shell 1, the shell 1 is interior to be equipped with static contact 11 and rotatable bracket, is hinged with moving contact 3 on the bracket,
It further include operation handle 4, the operation handle is equipped with the brake component 5 rotated with the operation handle, and the brake component is circumferential
Wall is equipped with protrusion 51, the retaining wall 21 being correspondingly arranged on the bracket with the protrusion, and the moving contact side is equipped with described quiet
Contact, the other side are equipped with energy-stored spring 31,
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 utility model mentions
For 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, made
Use better effect.
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
The raised first position being correspondingly arranged in the escape groove in position and the fixation hole and the boss limit after the installation is completed
Protrusion is correspondingly arranged at the second position above the brake component.When installation, after brake component is packed into it is lower pressing in place with
Boss clamping engagement (or clearance fit) rotates afterwards, so that the upper surface of brake component is located at the lower section of retention bead, prevents from braking
Part abjection.
In the present embodiment, as shown, there are three the retention bead sets.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
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.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as pair
The limitation of the utility model.Embodiment is not construed as limitations of the present invention, but any spirit based on the utility model
Improvements introduced should be all within the protection scope of the utility model.
Claims (7)
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 handle circumferential direction wall is equipped with open slot (41), is equipped with boss (411) in the open slot, and the brake component is axially set
There is the fixation hole (52) being engaged by clamping with the boss, described the inner wall of the open slot is equipped with retention bead (412), the brake component week
It is correspondingly provided with escape groove (53) to the retention bead, the brake component is correspondingly arranged at institute including retention bead described when protruding into
State the first position in escape groove and the fixation hole and the boss after the installation is completed the retention bead be correspondingly arranged at it is described
The second position above brake component.
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 retention bead is set
There are three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885858.0U CN208970469U (en) | 2018-11-16 | 2018-11-16 | It is a kind of can quick-make miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885858.0U CN208970469U (en) | 2018-11-16 | 2018-11-16 | It is a kind of can quick-make miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970469U true CN208970469U (en) | 2019-06-11 |
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ID=66765409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821885858.0U Active CN208970469U (en) | 2018-11-16 | 2018-11-16 | It is a kind of can quick-make miniature circuit breaker |
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| CN (1) | CN208970469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326495A (en) * | 2018-11-16 | 2019-02-12 | 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 CN201821885858.0U patent/CN208970469U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326495A (en) * | 2018-11-16 | 2019-02-12 | 浙江天正电气股份有限公司 | It is a kind of can quick-make miniature circuit breaker |
| CN109326495B (en) * | 2018-11-16 | 2023-12-29 | 浙江天正电气股份有限公司 | But quick closing's miniature circuit breaker |
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