CN209747417U - Power circuit breaker with good flame-retardant effect - Google Patents
Power circuit breaker with good flame-retardant effect Download PDFInfo
- Publication number
- CN209747417U CN209747417U CN201920885415.XU CN201920885415U CN209747417U CN 209747417 U CN209747417 U CN 209747417U CN 201920885415 U CN201920885415 U CN 201920885415U CN 209747417 U CN209747417 U CN 209747417U
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- CN
- China
- Prior art keywords
- circuit breaker
- breaker body
- power circuit
- flame retardant
- fixed block
- 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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- 239000003063 flame retardant Substances 0.000 title claims abstract description 27
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 title claims abstract description 15
- 239000003292 glue Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Breakers (AREA)
Abstract
The utility model discloses a power circuit breaker with good flame retardant effect, which belongs to the technical field of circuit breakers and comprises a circuit breaker body, wherein the front surface wall of the circuit breaker body is rotatably connected with an insulating handle, two clamping blocks are arranged on two sides of the inner surface wall of the circuit breaker body, four clamping grooves are arranged on the clamping blocks, four clamping grooves are clamped between every two clamping grooves and connected with a flame retardant plate, a wiring terminal is arranged at the top end of the circuit breaker body, a fixed block is arranged above the circuit breaker body, a fixed pin is screwed on the fixed block, the fixed block plays a role of installing the fixed pin by arranging the fixed pin and the fixed block, the fixed pin can be screwed to press the wiring terminal, the thermal effect of current after the operation for a period of time is avoided, the screw of the wiring terminal is loosened, and the wiring, the wiring terminal is easy to burn out due to heating.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, concretely relates to electric power circuit breaker that flame retardant efficiency is good.
Background
the breaker is a switching device which can close, bear and break the current under the condition of normal loop and close, bear and break the current under the condition of abnormal loop in a specified time, the breaker is divided into a high-voltage breaker and a low-voltage breaker according to the using range, the dividing of the high-voltage and low-voltage boundary lines is fuzzy, the breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power circuit, the motor and the like are protected, the circuit can be automatically cut off when the fault occurs such as serious overload, short circuit, undervoltage and the like, the function of the breaker is equivalent to the combination of a fuse type switch and an over-under-heat relay and the like, and the parts are generally not required to be changed after the fault current is broken, the breaker is widely applied, and the generation, the transmission and the use of, 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 existing power circuit breaker is not easy to burn out due to the fact that a screw of a wiring terminal is loosened and the wiring terminal is not screwed in time due to the action of a heat effect of current after the power circuit breaker operates for a period of time, and unnecessary safety accidents are easy to happen due to the fact that the wiring terminal is heated and burnt out due to the fact that the flame-retardant effect of the power circuit breaker is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power circuit breaker that flame retardant efficiency is good to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a good electric power circuit breaker of flame retardant efficiency, includes the circuit breaker body, the preceding table wall of circuit breaker body rotates and is connected with insulated handle, the interior table wall both sides of circuit breaker body all are provided with two fixture blocks, four the draw-in groove has all been seted up on the fixture block, four the draw-in groove block between two liang is connected with fire-retardant board, binding post has been seted up on the top of circuit breaker body, and the top of circuit breaker body is provided with the fixed block, the fixed block top spin closes and is connected with the fixed.
Preferably, a bolt is screwed and connected to the front surface wall of the circuit breaker body.
Preferably, a groove is formed in the front surface wall of the circuit breaker body.
Preferably, an insulating pad is arranged below the fixing pin.
Preferably, the connecting terminals are arranged in two, and the two connecting terminals are respectively arranged on two sides of the top end of the breaker body.
Preferably, the fixed block and the circuit breaker body are fixed by gluing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. This power circuit breaker is through setting up fixture block, fire-retardant board and draw-in groove, the draw-in groove on the fixture block is convenient for the fire-retardant board of block, and fire-retardant board can prevent the burning of circuit breaker when power circuit breaker burns, avoids taking place the unnecessary incident.
2. This power circuit breaker is through setting up fixed pin and fixed block, and the fixed block plays the effect of installation fixed pin, and the accessible closes the fixed pin soon, makes the fixed pin press in binding post department, avoids the heat effect of operation work after a period electric current to act on for the binding post screw is not hard up, and binding post screws untimely, easily causes binding post to generate heat and burns out.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a top view of the present invention
Fig. 4 is a schematic structural view of the flame retardant plate of the present invention.
In the figure: 1. a fixing pin; 2. a fixed block; 3. a bolt; 4. a circuit breaker body; 5. an insulated handle; 6. a groove; 7. an insulating pad; 8. a wiring terminal; 9. a clamping block; 10. a flame retardant sheet; 11. a clamping groove.
Detailed Description
the present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Please refer to fig. 1-4, the utility model provides a good power circuit breaker of flame retardant efficiency, including circuit breaker body 4, circuit breaker body 4's preceding table wall rotates and is connected with insulated handle 5, and circuit breaker body 4's interior table wall both sides all are provided with two fixture blocks 9, have all seted up draw-in groove 11 on four fixture blocks 9, and four draw-in grooves 11 block between two liang are connected with fire-retardant board 10, and binding post 8 has been seted up on circuit breaker body 4's top, and circuit breaker body 4's top is provided with fixed block 2, and the spin-on closure of fixed block 2 is connected with fixed.
Among the above-mentioned scheme, draw-in groove 11 on the fixture block 9 is convenient for the fire-retardant board of block 10, fire-retardant board 10 when power circuit breaker burning, can prevent the burning of circuit breaker, 2 accessible of fixed block close fixed pin 1 soon, make fixed pin 1 press in binding post 8 department, avoid the heat effect of operation work after a period aftercurrent for binding post 8 screw is not hard up, binding post 8 screws untimely, easily cause binding post 8 to generate heat and burn out.
Specifically, a bolt 3 is screwed and connected to the front surface wall of the breaker body 4; the disassembly and assembly of the circuit breaker body 4 are facilitated.
Specifically, a groove 6 is formed in the front surface wall of the breaker body 4; the inner surface wall of the groove 6 is convenient for being attached with an anti-counterfeit label.
Specifically, an insulating pad 7 is arranged below the fixing pin 1; the fixed pin 1 and the wiring terminal 8 are prevented from being electrified.
Specifically, two wiring terminals 8 are arranged, and the two wiring terminals 8 are respectively arranged on two sides of the top end of the circuit breaker body 4; which facilitates the simultaneous connection of two lines.
Specifically, the fixed block 2 and the circuit breaker body 4 are fixed by gluing; the firmness between the fixed block 2 and the circuit breaker body 4 is convenient to increase.
The utility model discloses a theory of operation and use flow: during the use, operating personnel accessible closes fixed pin 1 on the fixed block 2 soon, make fixed pin 1 press in binding post 8 department, prevent the heat effect of operation work after a period electric current, make binding post 8 screw not hard up, binding post 8 screws untimely, easily cause binding post 8 to generate heat and burn out, draw-in groove 11 on the fixture block 9 is convenient for the fire-retardant board 10 of block, fire-retardant board 10 is when power circuit breaker burning, can prevent the circuit breaker and continue burning, avoid taking place unnecessary incident, insulating handle 5 is convenient for open or close circuit breaker body 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a power circuit breaker that flame retardant efficiency is good, includes circuit breaker body (4), its characterized in that: the front surface wall of circuit breaker body (4) rotates and is connected with insulated handle (5), the interior table wall both sides of circuit breaker body (4) all are provided with two fixture blocks (9), four draw-in groove (11), four have all been seted up on fixture block (9) draw-in groove (11) block between two liang is connected with fire-retardant board (10), binding post (8) have been seted up on the top of circuit breaker body (4), and the top of circuit breaker body (4) is provided with fixed block (2), it is connected with fixed pin (1) to go up the spin closure in fixed block (2).
2. The power circuit breaker with good flame retardant effect according to claim 1, characterized in that: and a bolt (3) is screwed and connected to the front surface wall of the breaker body (4).
3. The power circuit breaker with good flame retardant effect according to claim 2, characterized in that: a groove (6) is formed in the front surface wall of the breaker body (4).
4. The power circuit breaker with good flame retardant effect according to claim 1, characterized in that: an insulating pad (7) is arranged below the fixing pin (1).
5. The power circuit breaker with good flame retardant effect according to claim 1, characterized in that: binding post (8) are provided with two altogether, and two binding post (8) set up the both sides on the top of circuit breaker body (4) respectively.
6. The power circuit breaker with good flame retardant effect according to claim 1, characterized in that: the fixed block (2) and the breaker body (4) are fixed through glue.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920885415.XU CN209747417U (en) | 2019-06-13 | 2019-06-13 | Power circuit breaker with good flame-retardant effect |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920885415.XU CN209747417U (en) | 2019-06-13 | 2019-06-13 | Power circuit breaker with good flame-retardant effect |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209747417U true CN209747417U (en) | 2019-12-06 |
Family
ID=68723757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920885415.XU Expired - Fee Related CN209747417U (en) | 2019-06-13 | 2019-06-13 | Power circuit breaker with good flame-retardant effect |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209747417U (en) |
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2019
- 2019-06-13 CN CN201920885415.XU patent/CN209747417U/en not_active Expired - Fee Related
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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: 20191206 |