CN212182246U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN212182246U CN212182246U CN202021276856.9U CN202021276856U CN212182246U CN 212182246 U CN212182246 U CN 212182246U CN 202021276856 U CN202021276856 U CN 202021276856U CN 212182246 U CN212182246 U CN 212182246U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- main body
- breaker main
- bolt
- base support
- 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.)
- Active
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000004880 explosion Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 15
- 239000000428 dust Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a miniature circuit breaker, including base support, bolt gasket, positioning bolt, set screw and protective face mask, one side on base support surface is provided with the bolt gasket, and one side on bolt gasket surface installs positioning bolt, and positioning bolt's one end extends to the outside of base support to one side screw thread department on positioning bolt surface installs the nut, one side on base support top is provided with dismantles the structure, and dismantles one side on structure top and install the circuit breaker main part, one side on circuit breaker main part top is provided with the terminal spread groove. The utility model discloses not only make its can be fast convenient taking off, the convenience is maintained in the debugging of reinforcing circuit breaker, avoids the dust to fall on the inside spare part of circuit breaker, prolongs the life of circuit breaker, still practices thrift the installation space of wall, improves the in-service use effect of device.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically is a miniature circuit breaker.
Background
A miniature circuit breaker is a terminal protection electrical appliance which is most widely used in a building electrical terminal distribution device, is a mechanical switching electrical appliance which can connect, bear and break current under normal circuit conditions and can also connect, bear and break current for a certain time under specified abnormal circuit conditions, and is used for single-phase and three-phase short circuit, overload, overvoltage and other protection below 125A.
The miniature circuit breakers in the market are various in types and can basically meet the use requirements of people, but certain defects still exist, and the following problems exist.
(1) When the existing miniature circuit breaker is fixedly installed, a large number of screws are adopted for connection, so that the miniature circuit breaker cannot be conveniently disassembled, and when the circuit is complex, the difficulty of installation, maintenance and disassembly is increased, so that inconvenience is brought to the operation of workers;
(2) the existing miniature circuit breaker is easy to accumulate dust on the surface after long-time use, and the dust enters the interior of the circuit breaker through a gap of a shell of the circuit breaker, so that the service life of the circuit breaker is shortened;
(3) when a plurality of groups of the existing miniature circuit breakers are used together, the miniature circuit breakers are mostly placed independently, and occupy too much wall space or cabinet space, so that the actual use effect of the device is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniature circuit breaker to solve the problem that the circuit breaker provided in the above-mentioned background art occupies too much space when overhauing the dismouting inconvenient, saving the dust easily and multiunit uses.
In order to achieve the above object, the utility model provides a following technical scheme: a miniature circuit breaker comprises a base support, a bolt gasket, a positioning bolt, a fixing screw and a protective mask, wherein the bolt gasket is arranged on one side of the surface of the base support, the positioning bolt is arranged on one side of the surface of the bolt gasket, one end of the positioning bolt extends to the outside of the base support, a nut is arranged at the thread position on one side of the surface of the positioning bolt, a dismounting structure is arranged on one side of the top end of the base support, a circuit breaker main body is arranged on one side of the top end of the dismounting structure, a terminal connecting groove is arranged on one side of the top end of the circuit breaker main body, an operating handle is hinged to one side of the inside of the circuit breaker main body, an insulating sleeve is bonded on one side of the surface of the operating handle, the fixing screw with equal spacing is arranged on one side of the surface of the circuit, and an arc extinguish chamber is arranged in the circuit breaker main body at one side of the contact accessory.
Preferably, a contact center support is arranged on one side inside the circuit breaker main body, and a locking rod is arranged inside the circuit breaker main body on one side of the contact center support.
Preferably, a blocking block is fixed on the outer wall of one side of the breaker main body, a main connecting plate is fixed on the outer wall of the breaker main body above the blocking block, and an auxiliary connecting plate is fixed on the outer wall of one side of the breaker main body.
Preferably, the inside of dismantling the structure has set gradually first joint board, second joint board and joint groove, the both sides on base support top all are fixed with first joint board, and one side slidable mounting on first joint board top has the second joint board.
Preferably, one side of the inside of the second clamping plate is provided with a clamping groove, and one side of the top end of the second clamping plate is provided with a fixing bolt.
Preferably, a trip bar is installed inside the circuit breaker body on one side of the latch bar, a thermal bimetallic strip is installed inside the circuit breaker body on one side of the trip bar, and a solenoid magnet is installed on one side of the top end of the thermal bimetallic strip.
Compared with the prior art, the beneficial effects of the utility model are that: the miniature circuit breaker can be taken down quickly and conveniently, the debugging and maintenance convenience of the circuit breaker is enhanced, dust is prevented from falling on parts inside the circuit breaker, the service life of the circuit breaker is prolonged, the installation space of a wall surface is saved, and the actual use effect of the device is improved;
(1) the second clamping plate at the bottom end of the breaker main body is mutually clamped with the first clamping plate in a sliding manner through the first clamping plate and the positioning bolt, so that the breaker main body is connected with the base bracket, then the fixing bolt is driven into the first clamping plate and the second clamping plate to avoid the phenomenon that the breaker main body and the nut deviate, then the back surface of the breaker main body is attached to the wall surface, a plurality of groups of bolt gaskets are taken out and placed on the inner wall of the base bracket, then the positioning bolt penetrates through the outer part of the base bracket and is driven into the inner part of the wall surface, then the nut is screwed to the top end of the positioning bolt, so that the installation and fixing work of the breaker main body is completed, when the breaker main body is maintained and debugged in the later period, the fixing bolt can be screwed out of the outer part of the second clamping plate, the breaker main body is manually pulled, so that the second clamping plate and the first, after the breaker body and the base bracket are completely separated, the breaker body is separated from the base bracket, so that the breaker body can be quickly and conveniently taken down, and the debugging and maintenance convenience of the breaker is enhanced;
(2) the protective cover can be turned downwards when the circuit breaker main body is not required to be operated, and the protective cover is utilized to prevent dust from falling on the surface of the circuit breaker main body, so that the dust is prevented from falling on parts inside the circuit breaker main body, and the service life of the circuit breaker is prolonged;
(3) through being provided with vice connecting plate and main connecting plate, take out multiunit circuit breaker main part, slide into the inside of main connecting plate with the vice connecting plate on the outer wall of a set of circuit breaker main part, make the two mutual joint, vice connecting plate can be to playing support and spacing effect to accomplish the concatenation of multiunit circuit breaker main part, reduce the installation gap between the circuit breaker, reduce the installation area of circuit breaker, practice thrift the installation space of wall, improve the in-service use effect of device.
Drawings
Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;
fig. 2 is a schematic side view of a cross-sectional structure of the main body of the circuit breaker of the present invention;
fig. 3 is a schematic top view of the circuit breaker main body of the present invention;
FIG. 4 is an enlarged schematic view of the disassembly structure of the present invention;
in the figure: 1. a base support; 2. a bolt washer; 3. positioning the bolt; 4. a nut; 5. a circuit breaker main body; 6. an operating handle; 7. an insulating sleeve; 8. fixing screws; 9. disassembling the structure; 901. a first clamping connection plate; 902. a second clamping plate; 903. a clamping groove; 10. a protective mask; 11. a contact center support; 12. a lock catch lever; 13. a trip bar; 14. a thermal bimetallic strip; 15. fixing the bolt; 16. a solenoid magnet; 17. an arc extinguishing chamber; 18. a contact accessory; 19. a terminal connecting groove; 20. a blocking block; 21. a main connection plate; 22. and an auxiliary connecting plate.
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.
Referring to fig. 1-4, the present invention provides an embodiment: a miniature circuit breaker comprises a base support 1, a bolt gasket 2, a positioning bolt 3, a fixing screw 8 and a protective mask 10, wherein the bolt gasket 2 is arranged on one side of the surface of the base support 1, the positioning bolt 3 is arranged on one side of the surface of the bolt gasket 2, one end of the positioning bolt 3 extends to the outside of the base support 1, a nut 4 is arranged at the thread of one side of the surface of the positioning bolt 3, and a dismounting structure 9 is arranged on one side of the top end of the base support 1;
a first clamping plate 901, a second clamping plate 902 and a clamping groove 903 are sequentially arranged in the dismounting structure 9, the first clamping plate 901 is fixed on two sides of the top end of the base support 1, and the second clamping plate 902 is slidably mounted on one side of the top end of the first clamping plate 901;
a clamping groove 903 is formed in one side of the interior of the second clamping plate 902, and a fixing bolt 15 is mounted on one side of the top end of the second clamping plate 902;
the second clamping plate 902 at the bottom end of the breaker main body 5 is mutually clamped with the first clamping plate 901 in a sliding manner, so that the breaker main body 5 is connected with the base bracket 1, then the fixing bolt 15 is driven into the first clamping plate 901 and the second clamping plate 902, the phenomenon that the breaker main body 5 and the nut 4 deviate is avoided, then the back surface of the breaker main body 5 is attached to the wall surface, a plurality of groups of bolt gaskets 2 are taken out and placed on the inner wall of the base bracket 1, then the positioning bolt 3 penetrates through the outer part of the base bracket 1 and is driven into the inner part of the wall surface, then the nut 4 is screwed to the top end of the positioning bolt 3, so that the installation and fixation work of the breaker main body 5 is completed, when the breaker main body 5 is maintained and debugged in the later period, the fixing bolt 15 can be screwed out of the outer part of the second clamping plate 902, the breaker main body 5 is manually pulled, so that the second clamping plate 902 and, after the breaker main body 5 and the base support 1 are completely separated, the breaker main body 5 is separated from the base support 1, so that the breaker main body 5 can be quickly and conveniently taken down, and the debugging and maintenance convenience of the breaker is enhanced;
a breaker main body 5 is installed on one side of the top end of the dismounting structure 9, a terminal connecting groove 19 is formed in one side of the top end of the breaker main body 5, an operating handle 6 is hinged to one side of the inside of the breaker main body 5, an insulating sleeve 7 is bonded to one side of the surface of the operating handle 6, fixing screws 8 with equal intervals are installed on one side of the surface of the breaker main body 5, a protective mask 10 is installed on one side of the surface of the breaker main body 5, a contact accessory 18 is installed at one end of the inside of the breaker main body 5, and an arc extinguish chamber 17 is installed inside the breaker;
a contact center support 11 is arranged on one side inside the breaker main body 5, a lock catch rod 12 is arranged inside the breaker main body 5 on one side of the contact center support 11, a trip rod 13 is arranged inside the breaker main body 5 on one side of the lock catch rod 12, a thermal bimetallic strip 14 is arranged inside the breaker main body 5 on one side of the trip rod 13, and a solenoid magnet 16 is arranged on one side of the top end of the thermal bimetallic strip 14;
the operating handle 6 is pushed manually, the operating handle 6 drives the lock catch rod 12 and the contact center support 11 to work in a cooperative mode in sequence, the insulating sleeve 7 can provide effective guarantee for the safety of workers, the circuit breaker can be protected from short circuit, overload, overvoltage and the like through cooperative work of parts such as the thermal bimetallic strip 14, the solenoid magnet 16, the arc extinguish chamber 17 and the like, when the circuit breaker main body 5 does not need to be operated, the protective mask 10 can be turned downwards, dust is prevented from falling on the surface of the circuit breaker main body 5 through the protective mask 10, accordingly, the dust is prevented from falling on the parts inside the circuit breaker main body 5, and the service life of the circuit breaker is prolonged;
a blocking block 20 is fixed on the outer wall of one side of the breaker main body 5, a main connecting plate 21 is fixed on the outer wall of the breaker main body 5 above the blocking block 20, and an auxiliary connecting plate 22 is fixed on the outer wall of one side of the breaker main body 5;
take out multiunit circuit breaker main part 5, slide into the inside of main connecting plate 21 with the auxiliary connecting plate 22 on the 5 outer walls of a set of circuit breaker main part, make the two joint each other, auxiliary connecting plate 22 can be to playing support and spacing effect to accomplish multiunit circuit breaker main part 5's concatenation, reduce the installation gap between the circuit breaker, reduce the installation area of circuit breaker, practice thrift the installation space of wall.
The working principle is as follows: when the circuit breaker main body 5 is used, the second clamping plate 902 at the bottom end of the circuit breaker main body 5 and the first clamping plate 901 are mutually clamped in a sliding mode, so that the circuit breaker main body 5 is connected with the base support 1, then the fixing bolt 15 is driven into the first clamping plate 901 and the second clamping plate 902, the phenomenon that the circuit breaker main body 5 and the nut 4 deviate is avoided, then the back surface of the circuit breaker main body 5 is attached to the wall surface, a plurality of groups of bolt gaskets 2 are taken out and placed on the inner wall of the base support 1, then the positioning bolt 3 penetrates through the outer part of the base support 1 and is driven into the wall surface, then the nut 4 is screwed to the top end of the positioning bolt 3, so that the installation and fixing work of the circuit breaker main body 5 is completed, when the circuit breaker main body 5 is subjected to later maintenance and debugging, the fixing bolt 15 can be screwed out of the outer part of the second clamping plate 902, the circuit breaker main body 5 is manually pulled, so that, after the breaker main body 5 and the base support 1 are completely separated, namely, the breaker main body 5 is separated from the base support 1, so that the breaker main body 5 can be quickly and conveniently taken down, the debugging and maintenance convenience of the breaker is enhanced, when the breaker is used, the operating handle 6 is manually pushed, the locking rod 12 and the contact center support 11 are driven by the operating handle 6 to sequentially cooperate with each other, the insulating sleeve 7 can provide effective guarantee for the safety of workers, the circuit can be protected from short circuit, overload, overvoltage and the like by the breaker through the cooperation of the parts such as the thermal bimetallic strip 14, the solenoid magnet 16, the arc extinguish chamber 17 and the like, when the breaker main body 5 does not need to be operated, the protective mask 10 can be turned downwards, the dust is prevented from falling on the surface of the breaker main body 5 by the protective mask 10, the dust is prevented from falling on the parts inside the breaker main body 5, the service life of, can take out multiunit circuit breaker main part 5, slide into the inside of main connecting plate 21 with the auxiliary connecting plate 22 on the 5 outer walls of a set of circuit breaker main part, make the two joint each other, auxiliary connecting plate 22 can be to playing support and spacing effect to accomplish multiunit circuit breaker main part 5's concatenation, reduce the installation gap between the circuit breaker, reduce the installation area of circuit breaker, practice thrift the installation space of wall, improve the in-service use effect of device.
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.
Claims (6)
1. The utility model provides a miniature circuit breaker, includes base support (1), bolt gasket (2), positioning bolt (3), set screw (8) and protective face mask (10), its characterized in that: the novel multifunctional electric breaker is characterized in that a bolt gasket (2) is arranged on one side of the surface of a base support (1), a positioning bolt (3) is installed on one side of the surface of the bolt gasket (2), one end of the positioning bolt (3) extends to the outside of the base support (1), a nut (4) is installed at one side of the surface of the positioning bolt (3), a dismounting structure (9) is arranged on one side of the top end of the base support (1), a breaker main body (5) is installed on one side of the top end of the dismounting structure (9), a terminal connecting groove (19) is arranged on one side of the top end of the breaker main body (5), an operating handle (6) is hinged to one side of the inside of the breaker main body (5), an insulating sleeve (7) is bonded to one side of the surface of the operating handle (6), equidistant fixing screws (8) are installed on one side of the surface of the breaker main body (, contact annex (18) are installed to the inside one end of circuit breaker main part (5), and circuit breaker main part (5) internally mounted of contact annex (18) one side has explosion chamber (17).
2. A miniature circuit breaker according to claim 1, wherein: one side of the interior of the breaker main body (5) is provided with a contact center support (11), and a lock catch rod (12) is arranged in the breaker main body (5) on one side of the contact center support (11).
3. A miniature circuit breaker according to claim 1, wherein: the circuit breaker is characterized in that a blocking block (20) is fixed on the outer wall of one side of the circuit breaker main body (5), a main connecting plate (21) is fixed on the outer wall of the circuit breaker main body (5) above the blocking block (20), and an auxiliary connecting plate (22) is fixed on the outer wall of one side of the circuit breaker main body (5).
4. A miniature circuit breaker according to claim 1, wherein: the detachable structure is characterized in that a first clamping plate (901), a second clamping plate (902) and a clamping groove (903) are sequentially arranged inside the detachable structure (9), the first clamping plate (901) is fixed on two sides of the top end of the base support (1), and the second clamping plate (902) is slidably mounted on one side of the top end of the first clamping plate (901).
5. A miniature circuit breaker according to claim 4, wherein: a clamping groove (903) is formed in one side of the interior of the second clamping plate (902), and a fixing bolt (15) is installed on one side of the top end of the second clamping plate (902).
6. A miniature circuit breaker according to claim 2, wherein: the circuit breaker is characterized in that a trip bar (13) is mounted inside a circuit breaker main body (5) on one side of a lock catch bar (12), a thermal bimetallic strip (14) is mounted inside the circuit breaker main body (5) on one side of the trip bar (13), and a solenoid magnet (16) is mounted on one side of the top end of the thermal bimetallic strip (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021276856.9U CN212182246U (en) | 2020-07-03 | 2020-07-03 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021276856.9U CN212182246U (en) | 2020-07-03 | 2020-07-03 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212182246U true CN212182246U (en) | 2020-12-18 |
Family
ID=73761192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021276856.9U Active CN212182246U (en) | 2020-07-03 | 2020-07-03 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212182246U (en) |
-
2020
- 2020-07-03 CN CN202021276856.9U patent/CN212182246U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212182246U (en) | Miniature circuit breaker | |
| CN111668069A (en) | Electromagnetic relay | |
| CN215527629U (en) | A durable molded case circuit breaker for easy maintenance | |
| CN220253119U (en) | Circuit breaker installation device for pole | |
| CN209571725U (en) | A kind of total protector for the Fast-Maintenance that can not have a power failure | |
| CN214797146U (en) | Circuit breaker for metal closed ring network switch equipment | |
| CN215578396U (en) | Insulating shell of automatic air circuit breaker | |
| CN213277964U (en) | Short-circuit prevention structure of household appliance | |
| CN220085912U (en) | Grounding switch with protective cover | |
| CN206921758U (en) | A kind of circuit breaker static contact mounting structure | |
| CN110047710B (en) | A slot type molded case circuit breaker | |
| CN215679609U (en) | 10kV circuit fault comprehensive monitoring alarm device | |
| CN207082489U (en) | A kind of circuit breaker static contact mounting means structure-improved | |
| CN214541770U (en) | 10kV fixed external series gap lightning flashover protector | |
| CN215069840U (en) | Safety water-contact-free electric shock protector | |
| CN213958854U (en) | Indoor high-voltage circuit breaker control mechanism | |
| CN212257259U (en) | Novel electrical isolation switch | |
| CN213584636U (en) | High-airtightness combined type solid insulation switch equipment | |
| CN212625359U (en) | High-voltage vacuum circuit breaker accessory | |
| CN215955162U (en) | A high-voltage line isolation switch | |
| CN221573848U (en) | Grid-type arc-extinguishing chamber of frame circuit breaker | |
| CN215681257U (en) | Intelligent power distribution cabinet with arc extinguishing function | |
| CN219370927U (en) | Circuit breaker with direct current quick arc extinguishing structure | |
| CN215732921U (en) | Block terminal for electric power engineering | |
| CN221447699U (en) | Integrated distribution box convenient for plugging and unplugging wiring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |