CN219085901U

CN219085901U - Auxiliary alarm switch structure of molded case circuit breaker

Info

Publication number: CN219085901U
Application number: CN202223143134.8U
Authority: CN
Inventors: 刘俭; 赵瑞峰; 刘襄萍
Original assignee: Shanghai Renmin Electrical Apparatus Works Co Ltd
Current assignee: Shanghai Renmin Electrical Apparatus Works Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-26
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to an auxiliary alarm switch structure of a molded case circuit breaker, which comprises a cover (1), a base (2), a spring (3), a push rod (4) and a micro switch (5), wherein the cover (1) and the base (2) are fastened through a hole shaft and a hasp assembly, the micro switch (5) is fixed at the front part of the base (2), the push rod (4) is assembled at the bottom of the base (2), and the spring (3) for resetting the push rod (4) is assembled at the right side of the upper end of the push rod (4). The utility model makes the subsequent processing of the auxiliary alarm switch easy by the installation mode of combining the hole shaft and the hasp form between the base and the cover, has firmer structure, small volume, convenient installation, reliability and high efficiency and can easily realize modularization in the use process or the transportation process.

Description

Auxiliary alarm switch structure of molded case circuit breaker

Technical Field

The utility model relates to the technical field of piezoelectric devices, in particular to an auxiliary alarm switch structure of a molded case circuit breaker.

Background

The plastic shell type breaker is used for distributing electric energy in a power distribution network, is used as an overload, short-circuit and undervoltage protection device of a circuit and power supply equipment, and can be used for transmitting fault signals by assembling an alarm push rod.

The auxiliary alarm switch mainly comprises a base, a cover, a push rod, a spring and a micro switch, and the micro switch is extruded by the push rod and the spring to output an alarm signal. The existing auxiliary alarm device is fixedly installed in a bracket and then installed in the circuit breaker, has large volume and inconvenient installation, and cannot meet the development trend of small and light existing circuit breakers.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the auxiliary alarm switch structure which has the advantages of simple structure, small volume, convenient installation and easy realization of modularization.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an auxiliary alarm switch structure of moulded case circuit breaker, includes lid, base, spring, ejector pin and micro-gap switch, lid and base pass through hole axle and hasp assembly fastening, and micro-gap switch is fixed in the base front portion, and the ejector pin is assembled in the base bottom for the spring assembly that resets the ejector pin is in ejector pin upper end right side.

Further, the front part of the base is provided with a positioning shaft, and the micro switch is fixed on the base through the positioning shaft.

Further, the base is internally provided with a guide groove, the right side of the upper end of the ejector rod is provided with a shaft, the shaft is limited in the guide groove, and the spring is sleeved on the shaft.

Further, an action key is arranged at the lower part of the micro switch, and a crank arm is arranged at the upper part of the ejector rod.

Further, the top of the crank arm and the position of the action key are located on the same axis.

Further, the upper part of the micro-switch is provided with a binding post, the upper part of the base is provided with a plurality of separation grooves, and the binding posts are correspondingly inserted into the separation grooves, so that the binding posts are separated.

Further, the base is provided with a plurality of short shafts on the matching surface with the cover, and the short shafts are respectively arranged at the upper part, the middle part and the lower part of the base.

Further, the cover is provided with a plurality of holes at the corresponding positions of the short shafts, and the short shafts are correspondingly inserted into the holes to realize the matching of the cover and the base.

Further, be equipped with many hasp recesses on the base, the lid outside corresponds to be equipped with the hasp board that extends to one side, and the cooperation of hasp board and hasp recess realizes the assembly between lid and the base, through the cooperation between the hole axle, makes the installation need not deliberately aim at the position and can close base and lid completion assembly.

Further, be equipped with the arch that has inclination in the hasp recess, be equipped with the fretwork on the buckle, the arch inlays in the fretwork, realizes spacing each other between lid and the base, makes lid and base mutually support through the hasp assembly, connects closely, and is convenient for dismouting.

Compared with the prior art, the utility model has the following advantages:

(1) Compared with the prior art, the novel modularized intelligent power supply device is simple in structure, small in size, convenient and fast to install, reliable and efficient, and modularization can be achieved easily.

(2) The base and the cover are installed in a mode that the hole shaft is combined with the hasp, the base is provided with a plurality of short shafts, the cover is provided with a plurality of holes at corresponding positions, and the short shafts are correspondingly inserted into the holes during installation. The base is provided with a plurality of hasp grooves which are matched with the hasp plates at the outer side of the cover, and the hasp grooves are provided with hollowed-out parts, wherein the bulges of the hollowed-out parts can be embedded in the hasp plates. Compared with the installation mode of the screw, the mode that the hole shaft is combined with the hasp does not need to reserve the position of the screw hole on the base and the cover, so that the structure is more compact, and the size is smaller. During assembly, an installation tool is not needed, and the assembly can be easily completed only by aligning the hole shaft to the position.

Drawings

FIG. 1 is a schematic perspective view of an auxiliary alarm switch of the present utility model;

FIG. 2 is a schematic view of the structure of the auxiliary alarm switch cover of the present utility model;

FIG. 3 is a schematic diagram of the structure of the inside of the auxiliary alarm switch of the present utility model;

fig. 4 is a schematic structural view of the auxiliary alarm switch base of the present utility model.

In the figure: 1. a cover; 2. a base; 3. a spring; 4. a push rod; 41. a crank arm; 42. a shaft; 43. a positioning block; 5. a micro-switch; 51. an action key; 52. binding posts; 6. positioning a shaft; 7. a snap groove; 8. a hole; 9. a short shaft; 10. a buckle plate is arranged; 11. a separation groove; 12. a guide groove; 13. and a limiting block.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples.

Examples

As shown in fig. 1 and 3, an auxiliary alarm switch structure of a molded case circuit breaker comprises a cover 1, a base 2, a spring 3, a push rod 4 and a micro switch 5, wherein the cover 1 and the base 2 are fastened through hole shafts and snap fasteners, as shown in fig. 3, the base 2 is provided with a plurality of short shafts 9 on the matching surface with the cover 1, the short shafts 9 are respectively arranged on the upper part of the base 2, the middle part and the lower part of the base 2, in the embodiment, 5 short shafts 9 are arranged in total, 5 holes 8 are arranged on the cover 1 at the positions corresponding to the short shafts 9, and the short shafts 9 are correspondingly inserted into the holes 8 to realize the matching of the cover 1 and the base 2; as shown in fig. 3 and fig. 4, a plurality of hasp grooves 7 are formed in the base 2, in this embodiment, 4 hasp grooves 7 are formed in the base, as shown in fig. 2, a hasp plate 10 extending to one side from 4 positions is correspondingly formed on the outer side of the cover 1, protrusions with inclination angles are arranged in the hasp grooves 7, hollow parts are formed in the hasp plate 10, and the protrusions are embedded in the hollow parts, so that mutual limiting between the cover 1 and the base 2 is achieved. The cover 1 and the base 2 are mutually matched and tightly connected by the two assembling and fastening modes.

As shown in fig. 3, the front part of the base 2 is provided with a positioning shaft 6, the micro switch 5 is fixed on the front part of the base 2 through the positioning shaft 6, as shown in fig. 4, the inside of the base 2 is provided with a guide groove 12, the ejector rod 4 is assembled at the bottom of the base 2, the right side of the upper end of the ejector rod 4 is provided with a shaft 42, the shaft 42 is limited in the guide groove 12, the spring 3 is sleeved on the shaft 42, and the spring 3 provides up-down reciprocating power for resetting the ejector rod 4. As shown in fig. 4, the lower part of the micro switch 5 is provided with an action key 51, the upper part of the push rod 4 is provided with a crank arm 41, and the top of the crank arm 41 and the position of the action key 51 are positioned on the same axis. As shown in fig. 4, a limiting block 13 is arranged on the base 2, and the limiting block 13 is matched with one side of the crank arm 41 to limit the sliding of the ejector rod 4 in the horizontal position. As shown in fig. 1 and 3, the microswitch 5 is provided with a binding post 52 at the upper part, a plurality of separation grooves 11 are provided at the upper part of the base 2, and the binding posts 52 are inserted into the separation grooves 11 correspondingly, so that the binding posts 52 are separated.

As shown in fig. 1, the base 2 and the cover 1 mount the micro-switch 5, the push rod 4 and the spring 3, the push rod 4 is driven by the push rod in the circuit breaker to move upwards, the spring 3 sleeved on the push rod 4 provides up-and-down reciprocating power, the other side crank arm 41 corresponds to the micro-switch action button 51, and the micro-switch 5 outputs a status signal through the action of the push rod on the push rod 4, so that the functions of tripping and alarming of the circuit breaker and the like are realized.

In summary, the auxiliary alarm switch is easy to process in the following process by the installation mode of combining the hole shaft between the base and the cover with the hasp form, and the auxiliary alarm switch is firmer in the use process or the transportation process, has a simple structure, small size, is convenient and fast to install, is reliable and efficient, and can easily realize modularization.

Claims

1. The utility model provides an auxiliary alarm switch structure of moulded case circuit breaker, includes lid (1), base (2), spring (3), ejector pin (4) and micro-gap switch (5), its characterized in that, lid (1) and base (2) are fastened through hole axle and hasp assembly, and micro-gap switch (5) are fixed in base (2) front portion, and ejector pin (4) assemble in base (2) bottom for spring (3) that resets ejector pin (4) assemble in ejector pin (4) upper end right side.

2. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 1, wherein a positioning shaft (6) is arranged at the front part of the base (2), and the micro switch (5) is fixed on the base (2) through the positioning shaft (6).

3. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 1, wherein a guide groove (12) is formed in the base (2), a shaft (42) is arranged on the right side of the upper end of the ejector rod (4), the shaft (42) is limited in the guide groove (12), and the spring (3) is sleeved on the shaft (42).

4. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 1, wherein the lower part of the micro switch (5) is provided with an action key (51), and the upper part of the ejector rod (4) is a crank arm (41).

5. The auxiliary alarm switch structure of a molded case circuit breaker according to claim 4, wherein the top of the crank arm (41) and the position of the action key (51) are located on the same axis.

6. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 1, wherein the upper part of the micro switch (5) is provided with a binding post (52), the upper part of the base (2) is provided with a plurality of separation grooves (11), and the binding posts (52) are correspondingly inserted into the separation grooves (11) to separate the binding posts (52).

7. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 1, wherein the base (2) is provided with a plurality of short shafts (9) on the matching surface with the cover (1), and the short shafts (9) are respectively arranged at the upper part, the middle part and the lower part of the base (2).

8. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 6, wherein the cover (1) is provided with a plurality of holes (8) at positions corresponding to the short shafts (9), and the short shafts (9) are correspondingly inserted into the holes (8) to realize the matching of the cover (1) and the base (2).

9. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 1, wherein a plurality of snap-in grooves (7) are formed in the base (2), a plurality of snap-in plates (10) extending to one side are correspondingly arranged on the outer side of the cover (1), and the snap-in plates (10) are matched with the snap-in grooves (7) to realize assembly between the cover (1) and the base (2).

10. The auxiliary alarm switch structure of the molded case circuit breaker according to claim 9, wherein protrusions with inclination angles are arranged in the snap grooves (7), hollowed-out parts are arranged on the snap plates (10), and the protrusions are embedded in the hollowed-out parts to achieve mutual limiting between the cover (1) and the base (2).