CN210516651U - Switching-on and switching-off indicator for molded case circuit breaker - Google Patents
Switching-on and switching-off indicator for molded case circuit breaker Download PDFInfo
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- CN210516651U CN210516651U CN201921793394.5U CN201921793394U CN210516651U CN 210516651 U CN210516651 U CN 210516651U CN 201921793394 U CN201921793394 U CN 201921793394U CN 210516651 U CN210516651 U CN 210516651U
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Abstract
The utility model relates to a divide-shut brake indicator for moulded case circuit breaker, it is including fixing the fixing base that sets up in the lid in the circuit breaker, with the articulated indicator that sets up of fixing base and set up the ejector pin that slides in fixing base inner shell axial, ejector pin one end and moving contact linkage cooperation, the other end then with the drive division linkage cooperation of indicator, be equipped with first piece that resets between ejector pin and the fixing base, be equipped with the second piece that resets between indicator and the fixing base, utilize the axial action of ejector pin to drive the indicator action, cover the size of via hole in can reducing for this via hole and ejector pin looks adaptation have cancelled clearance between the two, can prevent that electric arc from passing by this via hole, improve whole moulded case circuit breaker's insulating properties, improve the reliability and the stability of product.
Description
Technical Field
The utility model relates to a low-voltage apparatus field, concretely relates to divide-shut brake indicator for moulded case circuit breaker.
Background
The plastic case circuit breaker is a commonly used protective electric appliance, has the functions of switching on and off load current and protecting overload and short circuit of the load current, and is widely applied to overload and short circuit protection of various power distribution systems and motors. Present moulded case circuit breaker is equipped with divide-shut brake indicating mechanism mostly, it has the function that separating brake and combined floodgate state switch, but present divide-shut brake indicating mechanism adopts swing arm formula structure mostly, set up with the moving contact is articulated, the rotation that utilizes the moving contact drives divide-shut brake indicating mechanism swing completion status indication, but because it adopts wobbling mode, the event needs to set up a banding groove in moulded case circuit breaker's the well lid, so that divide-shut brake indicating mechanism swings at this inslot, because there is great clearance between the two, and divide-shut brake indicating mechanism mostly adopts the metal to make, can lead to its electric arc that produces the moving contact to well lid department, lead to the arc extinguishing effect poor, insulating nature is not good, the unstable problem of performance.
In addition, in order to solve the problem, a mode is also provided in the market at present, the moving contact is used for driving the ejector rod, the top end of the ejector rod protrudes out of the upper surface of the upper cover, and the protruding and non-protruding directions are used for indicating two states.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a divide-shut brake indicator for moulded case circuit breaker.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a divide-shut brake indicator for moulded case circuit breaker, its is including fixing the fixing base that sets up in the lid in the circuit breaker, with the articulated indicator that sets up of fixing base and set up the ejector pin that slides at fixing base inner shell axial, ejector pin one end and moving contact linkage cooperation, the other end then with the drive division linkage cooperation of indicator, be equipped with the first piece that resets between ejector pin and the fixing base, be equipped with the second piece that resets between indicator and the fixing base.
The indicating part comprises a switching-off indicating part and a switching-on indicating part which are distributed in a fan shape, and a driving part for driving the indicating part to rotate around the hinged part.
The switching-off indicating part and the switching-on indicating part are arranged in parallel along a sector.
The driving part is positioned at the lower side of the opening indicating part or the closing indicating part and is positioned at the upper end of the sliding path of the ejector rod.
And a touch switch for sending a switching-on/off signal is arranged on one side of the fixed seat.
The driving part can close the tact switch when resetting.
The fixing base is provided with a through hole, the ejector rod is arranged in the through hole, and the upper end of the ejector rod penetrates through the fixing base to be in contact with the driving part.
The ejector pin circumference is equipped with the locating part, be equipped with first piece that resets between locating part and the fixing base.
The utility model has the advantages that: the axial action that utilizes the ejector pin drives the indicator action, covers the size of via hole in can reducing for this via hole and ejector pin looks adaptation have cancelled the clearance between the two, can prevent that electric arc from passing by this via hole, improve whole moulded case circuit breaker's insulating properties, improve the reliability and the stability of product.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the indicator of the present invention.
Fig. 4 is the utility model discloses use the separating brake schematic diagram in moulded case circuit breaker.
Fig. 5 is the utility model discloses use the combined floodgate schematic diagram in moulded case circuit breaker.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a divide-shut brake indicator for moulded case circuit breaker for moving contact divide-shut brake state indication.
The switching-on and switching-off indicator comprises a fixed seat 6 which can be fixedly arranged in a middle cover of the circuit breaker, an indicator 1 which is hinged with the fixed seat and a mandril 7 which is arranged in an inner shell of the fixed seat and slides axially, the fixed seat is directly fixed in the middle cover 10 of the circuit breaker through screws, an indicating piece is hinged above the fixed seat, the indicating piece is arranged in a rotating way relative to the hinge shaft, the mandril passes through the fixed seat and then abuts against the lower end of the indicating piece, the indicating piece is provided with a driving part, the ejector rod enables the indicating part to swing through the ejector driving part to realize state indicating switching, one end of the ejector rod is in linkage fit with the moving contact to directly convert the opening and closing actions of the moving contact 8 into axial lifting actions of the ejector rod, be equipped with first piece 4 that resets between ejector pin and the fixing base, be equipped with the second between indicator and the fixing base and reset 2 for resetting of indicator and ejector pin.
The indicating part comprises a switching-off indicating part and a switching-on indicating part which are distributed in a fan shape, and a driving part 11 which is used for driving the indicating part to rotate around the hinged part 3. The switching-off indicating part and the switching-on indicating part are arranged in parallel along a sector. Both can realize clearer difference through different colours or "separating brake" and "combined floodgate" word, and both angles just satisfy the stroke of moving contact divide-shut brake, are convenient for both to switch, set up an observation window 9 on moulded case circuit breaker, and this separating brake instruction division and combined floodgate instruction division switch in this observation window department, accomplish the state indication.
The driving part is positioned at the lower side of the switching-off indicating part or the switching-on indicating part, and the driving part is positioned at the upper end of the sliding path of the ejector rod and drives the indicating part to swing by utilizing the up-and-down movement of the ejector rod.
And a touch switch 5 for sending an opening and closing signal is arranged on one side of the fixed seat, and the driving part can close the touch switch when resetting. When the switch is switched on and off, the light touch switch is triggered by the action of the driving part, so that the switch-on and switch-off electronic signal is output.
The fixing base is provided with a through hole, the ejector rod is arranged in the through hole, and the upper end of the ejector rod penetrates through the fixing base to be in contact with the driving part. The utility model discloses a set up the installation of ejector pin, including ejector pin, fixing base, the ejector pin circumference is equipped with the locating part, be equipped with first piece that resets between locating part and the fixing base, utilize the fixing base cladding ejector pin completely, further cover the clearance between ejector pin and the well lid, prevent that electric arc from wearing out from this clearance, can also improve holistic insulating properties in addition.
Secondly, the opening and closing indicating piece is made of plastic, so that the risk that arc striking can occur when metal materials are adopted in the prior art is avoided.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (8)
1. The utility model provides a divide-shut brake indicator for moulded case circuit breaker which characterized in that: the circuit breaker comprises a fixed seat which can be fixedly arranged in a middle cover of the circuit breaker, an indicating piece which is hinged with the fixed seat and a push rod which is arranged in the fixed seat and slides in the axial direction of an inner shell of the fixed seat, wherein one end of the push rod is in linkage fit with a moving contact, the other end of the push rod is in linkage fit with a driving part of the indicating piece, a first reset piece is arranged between the push rod and the fixed seat, and a second reset piece is arranged between the indicating piece and the fixed.
2. The switching-on and switching-off indicator for the molded case circuit breaker according to claim 1, wherein: the indicating part comprises a switching-off indicating part and a switching-on indicating part which are distributed in a fan shape, and a driving part for driving the indicating part to rotate around the hinged part.
3. The opening and closing indicator for the molded case circuit breaker according to claim 2, wherein: the switching-off indicating part and the switching-on indicating part are arranged in parallel along a sector.
4. The opening and closing indicator for the molded case circuit breaker according to claim 2 or 3, wherein: the driving part is positioned at the lower side of the opening indicating part or the closing indicating part and is positioned at the upper end of the sliding path of the ejector rod.
5. The switching-on and switching-off indicator for the molded case circuit breaker according to claim 1, wherein: and a touch switch for sending a switching-on/off signal is arranged on one side of the fixed seat.
6. The switching-on and switching-off indicator for the molded case circuit breaker according to claim 5, wherein: the driving part can close the tact switch when resetting.
7. The switching-on and switching-off indicator for the molded case circuit breaker according to claim 1, wherein: the fixing base is provided with a through hole, the ejector rod is arranged in the through hole, and the upper end of the ejector rod penetrates through the fixing base to be in contact with the driving part.
8. The switching-on and switching-off indicator for the molded case circuit breaker according to claim 1, wherein: the ejector pin circumference is equipped with the locating part, be equipped with first piece that resets between locating part and the fixing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793394.5U CN210516651U (en) | 2019-10-24 | 2019-10-24 | Switching-on and switching-off indicator for molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793394.5U CN210516651U (en) | 2019-10-24 | 2019-10-24 | Switching-on and switching-off indicator for molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516651U true CN210516651U (en) | 2020-05-12 |
Family
ID=70573416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921793394.5U Active CN210516651U (en) | 2019-10-24 | 2019-10-24 | Switching-on and switching-off indicator for molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516651U (en) |
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2019
- 2019-10-24 CN CN201921793394.5U patent/CN210516651U/en active Active
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