CN212230368U - Protective cover of molded case circuit breaker - Google Patents
Protective cover of molded case circuit breaker Download PDFInfo
- Publication number
- CN212230368U CN212230368U CN202020791336.5U CN202020791336U CN212230368U CN 212230368 U CN212230368 U CN 212230368U CN 202020791336 U CN202020791336 U CN 202020791336U CN 212230368 U CN212230368 U CN 212230368U
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- CN
- China
- Prior art keywords
- cover plate
- circuit breaker
- protection
- protection casing
- cover
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a moulded case circuit breaker's protection casing belongs to circuit breaker technical field, and this protection casing is installed in circuit breaker body outside, is used for the protection operating panel and a plurality of wiring bolt on the circuit breaker body, the protection casing mainly comprises first cover plate and second cover plate, first cover plate with the position of wiring bolt corresponds, the second cover plate with operating panel's position corresponds, first cover plate with connect through rotation of axes between the second cover plate, the rotation axis is fixed circuit breaker body both sides makes first cover plate with but the second cover plate independent rotation opens and shuts. The protection cover can be opened and closed independently by a single cover plate when the protection cover is opened through the first cover plate and the second cover plate, the circuit breaker areas corresponding to the two cover plates are different, even if the cover plate on one area is opened, the protection of the other area cannot be influenced, the operation of a user is facilitated, and the use is safer.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, in particular to moulded case circuit breaker's protection casing.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.
The circuit breaker direct exposed installation that has when using, some install the protection casing in order to prevent dust and damp, but traditional protection casing generally adopts the plastic casing of a body structure to fix the outside at the circuit breaker, can only holisticly open the protection casing when opening and shutting, can not independently open corresponding region, when needing the operation circuit breaker panel, the port of wiring also can expose externally, it produces danger to miss the port very easily, and all need open the protection casing when operation circuit breaker or carrying out the circuit breaker and connect the broken string operation, frequent protection casing of opening can influence its dustproof damp-proof effect like this.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at just can only wholly open easy mistake and touch there is the potential safety hazard in order to solve above-mentioned circuit breaker safety cover, need frequently open the problem that influences the protecting effect during operation circuit breaker and provide a moulded case circuit breaker's protection casing, have the protection casing and can open the specified region alone, operate safelyr, can be at protection casing closed state operation circuit breaker, the better advantage of protecting effect.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a moulded case circuit breaker's protection casing, this protection casing is installed in the circuit breaker body outside, is used for the protection operating panel and a plurality of wiring bolt on the circuit breaker body, the protection casing mainly comprises first cover plate and second cover plate, first cover plate with wiring bolt's position corresponds, the second cover plate with operating panel's position corresponds, first cover plate with connect through rotation of axes between the second cover plate, the rotation axis is fixed circuit breaker body both sides make first cover plate with but the second cover plate independent rotation opens and shuts.
Preferably, the surface of the free end of the first cover plate is provided with a plurality of wire clamping grooves, and the wire clamping grooves sequentially correspond to the wiring bolts.
Preferably, the wiring bolt is installed on the wire holder, and the free end of first cover plate sets up the recess, and the recess laminates with the wire holder edge, makes wire clamping groove and the wire holder edge cooperation centre gripping insert wiring bolt's electric wire.
Preferably, a window is formed in the surface of the second cover plate, and the position of the window corresponds to the operation panel.
Preferably, a transparent film is laid on the window.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the protection cover can be opened and closed independently by a single cover plate when the protection cover is opened through the first cover plate and the second cover plate, the circuit breaker areas corresponding to the two cover plates are different, even if the cover plate on one area is opened, the protection of the other area cannot be influenced, the operation of a user is facilitated, and the use is safer.
2. Through set up card wire casing on first cover plate for the card that will insert the circuit breaker is held tightly, prevents that the circuit from becoming flexible, and the window of second cover plate can conveniently not open the protection casing and watch operating panel, and the transparent film of laying makes the user can follow outside operation operating panel's button on the window moreover, avoids the circuit breaker to be stained with the dust because of the protection casing is often opened.
Drawings
Fig. 1 is a schematic view of the protective cover mounting structure of the present invention.
Fig. 2 is the schematic diagram of the structure of the circuit breaker body of the present invention.
Fig. 3 is a schematic view of the connection structure of the first cover plate and the second cover plate of the present invention.
Fig. 4 is a schematic structural diagram of a first cover plate of the present invention.
In the figure: 1. the protective cover comprises a protective cover body, 2, a first cover plate, 3, a second cover plate, 4, a wire clamping groove, 5, a window, 6, a transparent film, 7, a breaker body, 8, a rotating shaft, 9, a wire holder, 10, a wiring bolt, 11, an operation panel, 12 and a groove.
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 work belong to the protection scope of the present invention.
As shown in fig. 1, the protective cover 1 of the molded case circuit breaker is installed outside the circuit breaker body 7, and is used for protecting an operation panel 11 and a plurality of wiring bolts 10 on the circuit breaker body 7, and the protective cover 1 can protect electric devices on the circuit breaker body 7 and can also play a dustproof and moistureproof effect. The protective cover 1 mainly comprises a first cover plate 2 and a second cover plate 3, the first cover plate 2 corresponds to the position of a wiring bolt 10, the second cover plate 3 corresponds to the position of an operation panel 11, the first cover plate 2 and the second cover plate 3 are rotationally connected through a rotating shaft 8, the rotating shaft 8 is fixed on two sides of a breaker body 7, so that the first cover plate 2 and the second cover plate 3 can be independently rotated to open and close, the protective cover 1 is divided into two parts through the first cover plate 2 and the second cover plate 3, each cover plate corresponds to different areas, and the cover plates are rotationally connected through the rotating shaft 8, therefore, when the protective cover 1 needs to be opened for corresponding operation, only the corresponding cover plate needs to be turned over and opened, as shown in figure 3, the schematic diagram is a state that the first cover plate 2 is opened, because the first cover plate 2 corresponds to the position of the wiring bolt 10, and the second cover plate 3 corresponds to the position of, the wiring of the wiring bolt 10 and the external wiring can be performed only by opening the first cover plate 2, the operation panel 11 on the surface of the circuit breaker body 7 needs to be operated, and the operation panel 11 can be exposed for operation only by opening the second cover plate 2.
A plurality of card wire casing 4 is seted up on the free end surface of first cover plate 2, and card wire casing 4 corresponds with wiring bolt 10 in proper order, and card wire casing 4 plays the effect that supplies the circuit to pass through, and the quantity of card wire casing 4 is the same with wiring bolt 10 quantity, and the position corresponds, guarantees that every electric wire that inserts wiring bolt 10 all can be fixed by the centre gripping.
As shown in fig. 2 and 4, the binding bolt 10 is installed on the wire holder 9, the free end of the first cover plate 2 sets up the recess 12, recess 12 and the edge laminating of wire holder 9, make the wire of card wire casing 4 and the edge cooperation centre gripping of wire holder 9 insert the electric wire of binding bolt 10, recess 12 can laminate with wire holder 9, because card wire casing 4 needs the bottom opening, make things convenient for the circuit to block in the inslot, when the first cover plate 2 laminates wire holder 9, the edge of wire holder 9 can be just with card wire casing 4 bottom opening part seal, thereby make card wire casing 4 and wire holder 9 edge form a closed hole, it is fixed with the circuit centre gripping.
As shown in fig. 1, window 5 has been seted up on the surface of second cover plate 3, the position of window 5 corresponds with operating panel 11, can conveniently observe operating panel 11's state from the outside through window 5, need not to open protection casing 1 and can inspect the operating panel 11 condition, lay transparent film 6 on the window 5, transparent film 6 has toughness, if operating personnel sets up circuit breaker body 7 if needs, need not to open protection casing 1, only need to separate transparent film 6 and can carry out the operation of button or switch, avoid protection casing 1 frequently to open and destroy its dustproof dampproofing effect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a moulded case circuit breaker's protection casing, this protection casing (1) is installed in circuit breaker body (7) outside, is used for the protection operating panel (11) and a plurality of wiring bolt (10) on circuit breaker body (7), its characterized in that, protection casing (1) mainly comprises first cover plate (2) and second cover plate (3), first cover plate (2) with the position of wiring bolt (10) corresponds, second cover plate (3) with the position of operating panel (11) corresponds, first cover plate (2) with rotate through rotation axis (8) between second cover plate (3) and connect, rotation axis (8) are fixed circuit breaker body (7) both sides make first cover plate (2) with second cover plate (3) can independently rotate and open and close.
2. The shield for molded case circuit breakers of claim 1, wherein the free end surface of the first cover plate (2) is provided with a plurality of wire-clamping grooves (4), the wire-clamping grooves (4) corresponding to the terminal bolts (10) in turn.
3. The shield of the molded case circuit breaker according to claim 2, wherein the terminal bolt (10) is installed on the terminal base (9), the free end of the first cover plate (2) is provided with a groove (12), and the groove (12) is attached to the edge of the terminal base (9) so that the wire clamping groove (4) and the edge of the terminal base (9) cooperate to clamp the wire inserted into the terminal bolt (10).
4. The shield for molded case circuit breakers according to claim 1, wherein the second cover plate (3) has a window (5) formed on a surface thereof, the window (5) corresponding to the operating panel (11).
5. A shield for a molded case circuit breaker according to claim 4, characterized in that a transparent film (6) is laid on the window (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791336.5U CN212230368U (en) | 2020-05-13 | 2020-05-13 | Protective cover of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791336.5U CN212230368U (en) | 2020-05-13 | 2020-05-13 | Protective cover of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212230368U true CN212230368U (en) | 2020-12-25 |
Family
ID=73927654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020791336.5U Expired - Fee Related CN212230368U (en) | 2020-05-13 | 2020-05-13 | Protective cover of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212230368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078032A (en) * | 2021-04-08 | 2021-07-06 | 内蒙古德广电气股份有限公司 | Combined protective cover of circuit breaker |
-
2020
- 2020-05-13 CN CN202020791336.5U patent/CN212230368U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078032A (en) * | 2021-04-08 | 2021-07-06 | 内蒙古德广电气股份有限公司 | Combined protective cover of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |