CN213583662U

CN213583662U - Low-voltage circuit breaker for current limiting

Info

Publication number: CN213583662U
Application number: CN202022908341.2U
Authority: CN
Inventors: 欧柳青
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-06-29
Anticipated expiration: 2030-12-06

Abstract

The utility model discloses a low voltage circuit breaker for current-limiting, which comprises a fixing plate and i, two fixing bases of right side fixedly connected with of fixed plate, two the fixedly connected with base plate between the right side of fixing base, the right side of base plate is provided with the mounting panel, the wiring hole has all been seted up between the top of mounting panel and base plate and the bottom, the fixed chamber that extends to base plate inside is seted up on the right side of mounting panel, the right side of mounting panel is pegged graft and is had the inserted link that is located fixed intracavity. This a low voltage circuit breaker for current-limiting, correspond with the base plate through the mounting panel, insert the peg graft pole, the peg graft pole injects fixed intracavity, expanding spring will block the post bullet and advance the card hole and fix the peg graft pole, the extension rod inserts the restriction inslot and extrudees the extrusion spring simultaneously, make the extrusion spring apply the effort to the base plate direction to the mounting panel, can be very convenient fix the mounting panel on the base plate, when needing the maintenance, pull open the pull rod, make the card post break away from the card hole, it is fast to dismantle, high durability and convenient use.

Description

Low-voltage circuit breaker for current limiting

Technical Field

The utility model relates to a low-voltage circuit breaker specifically is a low-voltage circuit breaker for current-limiting.

Background

The low-voltage circuit breaker is a switching device which can not only connect and disconnect normal load current and overload current, but also connect and disconnect short-circuit current, besides the control function, the low-voltage circuit breaker also has a certain protection function in the circuit, such as overload, short circuit, undervoltage and leakage protection, the low-voltage circuit breaker has a plurality of classification modes, the low-voltage circuit breaker is classified according to the use class, the low-voltage circuit breaker has a selection type (the parameters of the protection device are adjustable) and a non-selection type (the parameters of the protection device are not adjustable), and the low-voltage circuit breaker has an air type and a vacuum type (at present, most of domestic products are air type).

The low-voltage circuit breaker plays the effect of protection circuit in the life, and family has the installation, but present low-voltage circuit breaker is when appearing damaging the needs maintenance, because the fix with screw that uses leads to dismantling the installation troublesome, inconvenient dismantlement installation when having no instrument, inconvenient use, so provide a low-voltage circuit breaker for current-limiting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low voltage circuit breaker for current-limiting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a low-voltage circuit breaker for current limiting comprises a fixed plate, wherein two fixed seats are fixedly connected to the right side of the fixed plate, a substrate is fixedly connected between the right sides of the two fixed seats, a mounting plate is arranged on the right side of the substrate, wiring holes are formed between the mounting plate and the top and the bottom of the substrate, a fixed cavity extending into the substrate is formed in the right side of the mounting plate, an insertion rod positioned in the fixed cavity is inserted into the right side of the mounting plate, a limiting plate is fixedly connected to the right end of the insertion rod, limiting grooves positioned above and below the insertion rod are formed in the right side of the mounting plate, extension rods extending into the limiting grooves are fixedly connected to the top and the bottom of the left side of the limiting plate, an extrusion spring is arranged in the limiting groove and is in contact with the extension rod on the right side of the extrusion spring, a clamping hole is formed in the, the inside in card chamber is provided with expanding spring, expanding spring is close the one end fixedly connected with in the inserted bar and extends to the downthehole card post of card, the one end fixedly connected with that the card post kept away from the card hole runs through the pull rod of base plate.

As a further aspect of the present invention: mounting holes are formed in four corners of the fixing plate, and screws are inserted into the right sides of the four mounting holes.

As a further aspect of the present invention: the length and the width of the base plate are equal to those of the mounting plate, and a knife switch is arranged on the right side of the mounting plate.

As a further aspect of the present invention: the insertion rod is matched with the fixed cavity, and the right side of the limiting plate is fixedly connected with an auxiliary handle.

As a further aspect of the present invention: the end of extension rod is the arc, the diameter in card hole is less than the diameter of grafting rod.

As a further aspect of the present invention: the top and the bottom of the telescopic spring are fixedly connected with limiting plates, and one end of the pull rod, which is far away from the clamping column, is fixedly connected with a pull ring.

As a further aspect of the present invention: the fixed cavity, the inserting rod, the limiting plate, the extending rod, the limiting groove, the extrusion spring, the clamping hole, the clamping cavity, the extension spring and the clamping column form an installing mechanism, the two installing mechanisms form a group, and the bottom installing mechanism is symmetrical to the top installing mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

correspond with the base plate through the mounting panel, insert the peg graft pole, the peg graft pole injects fixed intracavity, expanding spring will block the post bullet and advance card hole and fix the peg graft pole, the extension rod inserts restriction inslot and extrudees the extrusion spring simultaneously, make the extrusion spring apply the effort to the base plate direction to the mounting panel, can be very convenient fix the mounting panel on the base plate, when needing the maintenance, pull open the pull rod, make the card post break away from the card hole, the peg graft pole can be very light take out, it is fast to dismantle, high durability and convenient use.

Drawings

Fig. 1 is a schematic diagram of a low-voltage circuit breaker for current limiting;

fig. 2 is an enlarged schematic view of a structure at a in a low-voltage circuit breaker for current limiting;

fig. 3 is a schematic three-dimensional structure of a low-voltage circuit breaker for current limiting.

In the figure: 1. a fixing plate; 2. a fixed seat; 3. a substrate; 4. mounting a plate; 5. a wiring hole; 6. a fixed cavity; 7. a plug rod; 8. a limiting plate; 9. an extension rod; 10. a limiting groove; 11. a compression spring; 12. a clamping hole; 13. a card cavity; 14. a tension spring; 15. clamping the column; 16. a pull rod.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a low voltage circuit breaker for current limiting includes a fixed plate 1, mounting holes are formed at four corners of the fixed plate 1, screws are inserted into right sides of the four mounting holes, two fixing bases 2 are fixedly connected to a right side of the fixed plate 1, a base plate 3 is fixedly connected between right sides of the two fixing bases 2, a mounting plate 4 is disposed on a right side of the base plate 3, the base plate 3 and the mounting plate 4 have the same length and width, a knife is disposed on a right side of the mounting plate 4, wiring holes 5 are formed between the mounting plate 4 and a top and a bottom of the base plate 3, a fixing cavity 6 extending into the base plate 3 is formed on a right side of the mounting plate 4, an insertion rod 7 located in the fixing cavity 6 is inserted into the right side of the mounting plate 4, a limiting plate 8 is fixedly connected to a right end of the insertion rod 7, the right side of mounting panel 4 is seted up and is located the restriction groove 10 of peg graft 7 top and below, the equal fixedly connected with in left side top and the bottom of restriction board 8 extends to the extension rod 9 in the restriction groove 10, be provided with the extrusion spring 11 of right side and extension rod 9 contact in the restriction groove 10, the left end top of peg graft 7 has seted up card hole 12, the end of extension rod 9 is the arc, the diameter of card hole 12 is less than the diameter of peg graft 7, card chamber 13 has been seted up to the inside of base plate 3, the inside of card chamber 13 is provided with expanding spring 14, expanding spring 14 is close the one end fixedly connected with of peg graft 7 and extends to the card post 15 in calorie hole 12, the one end fixedly connected with of card hole 12 that card post 15 kept away from runs through pull rod 16 of base plate 3, the equal fixedly connected with limiting plate in top and the bottom of expanding spring 14, the one end fixedly connected with pull ring that card post 15 was kept away from, The limiting plate 8, the extension rod 9, the limiting groove 10, the extrusion spring 11, the clamping hole 12, the clamping cavity 13, the extension spring 14 and the clamping column 15 form a mounting mechanism, the two mounting mechanisms form a group, and the bottom mounting mechanism and the top mounting mechanism are structurally symmetrical.

The utility model discloses a theory of operation is: correspond with base plate 3 through mounting panel 4, insert peg rod 7, peg rod 7 injects in fixed chamber 6, expanding spring 14 will block post 15 bullet advance card hole 12 fixed with peg rod 7, extension rod 9 inserts in restriction groove 10 and extrudees extrusion spring 11 simultaneously, make extrusion spring 11 exert the effort to base plate 3 direction to mounting panel 4, can be very convenient fix mounting panel 4 on base plate 3, when needing the maintenance, pull rod 16 pulls open, make card post 15 break away from card hole 12, peg rod 7 can be very light take out, it is fast to dismantle, high durability and convenient use, when present low voltage circuit breaker is damaging needs the maintenance appearing, because the fix with screw that uses, lead to dismantling the installation trouble, inconvenient dismantlement installation when not having the instrument, the problem of inconvenient use.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a low-voltage circuit breaker for current-limiting, includes fixed plate (1), its characterized in that, two fixing base (2) of right side fixedly connected with of fixed plate (1), two fixedly connected with base plate (3) between the right side of fixing base (2), the right side of base plate (3) is provided with mounting panel (4), wiring hole (5) have all been seted up between the top of mounting panel (4) and base plate (3) and the bottom, fixed chamber (6) that extend to base plate (3) inside are seted up on the right side of mounting panel (4), the right side of mounting panel (4) is pegged graft and is had peg graft and be located fixed chamber (6) peg graft and be located peg graft pole (7), the right-hand member fixedly connected with of peg graft pole (7) limits board (8), restriction groove (10) that are located peg graft pole (7) top and below are seted up on the right side of mounting panel (4), the equal fixedly connected with in left side The extension rod (9), be provided with extrusion spring (11) of right side and extension rod (9) contact in restriction groove (10), card hole (12) have been seted up to the left end top of peg graft pole (7), card chamber (13) have been seted up to the inside of base plate (3), the inside in card chamber (13) is provided with expanding spring (14), expanding spring (14) are close the one end fixedly connected with of peg graft pole (7) and extend to card post (15) in card hole (12), the one end fixedly connected with that card hole (12) were kept away from to card post (15) runs through pull rod (16) of base plate (3).

2. The low-voltage circuit breaker for limiting current according to claim 1, wherein four corners of the fixed plate (1) are provided with mounting holes, and the right sides of the four mounting holes are inserted with screws.

3. Low voltage circuit breaker for current limiting as claimed in claim 1, characterized in that said base plate (3) is equal in length and width to the mounting plate (4), the right side of the mounting plate (4) being provided with a blade.

4. Low voltage circuit breaker for current limiting as claimed in claim 1, characterized in that said insertion rod (7) is matched with a fixed chamber (6), the right side of said limiting plate (8) being fixedly connected with an auxiliary handle.

5. Low voltage circuit breaker for limiting current according to claim 1, characterized in that the end of the extension rod (9) is arc-shaped, the diameter of the catch hole (12) being smaller than the diameter of the plug rod (7).

6. Low voltage circuit breaker for current limiting as claimed in claim 1, characterized in that a limiting plate is fixedly connected to both the top and the bottom of the extension spring (14), and a pull ring is fixedly connected to the end of the pull rod (16) remote from the catch (15).

7. The low-voltage circuit breaker for current limitation of claim 1, wherein the fixed cavity (6), the plug rod (7), the limiting plate (8), the extension rod (9), the limiting groove (10), the extrusion spring (11), the clamping hole (12), the clamping cavity (13), the expansion spring (14) and the clamping column (15) form a mounting mechanism, the two mounting mechanisms form a group, and the bottom mounting mechanism is structurally symmetrical to the top mounting mechanism.