CN213277963U

CN213277963U - Switch breaker with long service life

Info

Publication number: CN213277963U
Application number: CN202022226853.0U
Authority: CN
Inventors: 季正泉; 苏娟
Original assignee: Jiangsu Jintai Power Technology Co ltd
Current assignee: Jiangsu Jintai Power Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-25
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a long service life's switch circuit breaker, including the circuit breaker main part, the front end movable mounting of circuit breaker main part has mechanical handle, the upper end fixed mounting of circuit breaker main part has last terminal, it arranges in the upper end of circuit breaker main part to go up the terminal equidistance, the lower extreme fixed mounting of circuit breaker main part has lower terminal, lower terminal equidistance is arranged at the lower extreme of circuit breaker main part. The utility model discloses having and can be with the last terminal at both ends about the circuit breaker main part and lower terminal protection in inside, avoid the dust to fall on the department of connecting of last terminal with lower terminal, cause the corruption of connecting the department, improve the life of this circuit breaker, the connecting rod of installation can be spacing at certain home range with last protective housing and lower protective housing, avoid last protective housing and lower protective housing to drop, can carry out the spacing of slip direction with last protective housing to the connecting rod simultaneously, be convenient for go up the laminating installation effect of protective housing and lower protective housing.

Description

Switch breaker with long service life

Technical Field

The utility model relates to a circuit breaker technical field specifically is a long service life's switch circuit breaker.

Background

There are many electrical devices in the circuit such as relays, circuit breakers and various types of electrical instruments, many of them are functional equipments, such as a circuit breaker, which is a device for switching off a circuit when a short circuit accident occurs in the circuit, the main contact of the circuit breaker is manually or electrically switched on, after the main contact is closed, the free tripping mechanism locks the main contact at the closing position, the coil of the over-current trip and the thermal element of the thermal trip are connected in series with the main circuit, the coil of the under-voltage trip is connected in parallel with the power supply, the circuit breaker is also called an automatic air switch, the motor can be used for switching on and off a load circuit, and can also be used for controlling a motor which is not frequently started, the function of the motor is equivalent to the sum of the functions of part or all of electric appliances such as a knife switch, an overcurrent relay, a voltage loss relay, a thermal relay, a leakage protector and the like, and the motor is an important protective electric appliance in a low-voltage distribution network.

However, in the conventional circuit breaker, because the wiring terminals of the relay are arranged at the upper end and the lower end of the circuit breaker for convenient wiring, the wiring terminals exposed outside are easily corroded by dust in the air, so that the wiring terminals are easy to age and damage, and the service life of the circuit breaker is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's switch circuit breaker to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a long service life's switch circuit breaker, includes the circuit breaker main part, the front end movable mounting of circuit breaker main part has mechanical handle, the upper end fixed mounting of circuit breaker main part has last terminal, it arranges in the upper end of circuit breaker main part to go up the terminal equidistance, the lower extreme fixed mounting of circuit breaker main part has lower terminal, lower terminal equidistance is arranged at the lower extreme of circuit breaker main part.

Preferably, the upper end movable mounting of circuit breaker main part has last protective housing, the lower extreme movable mounting of circuit breaker main part has lower protective housing, it is the homogeneous structure with lower protective housing to go up the protective housing, the rear side of going up the protective housing upper end is run through and is provided with the preformed hole, preformed hole and last terminal looks adaptation can avoid the dust to fall on the department of connecing of last terminal and lower terminal, cause the corruption of connecing the department of connecing, improve the life of this circuit breaker.

Preferably, swing joint has the connecting rod between the front end of circuit breaker main part is located the last terminal, go up the protective housing and pass through connecting rod and circuit breaker main part swing joint, the rear side movable mounting of circuit breaker main part upper end has the tap ball, can carry out the spacing of slip direction with the upper protective housing to the connecting rod, is convenient for go up the laminating installation of protective housing and lower protective housing.

Preferably, the lower extreme of tap ball is located the inside fixedly connected with pull rod of circuit breaker main part, the outer end fixed mounting of pull rod has reset spring, the lower extreme fixed mounting of pull rod has the tapered end, the transverse cutting area of tapered end is greater than reset spring's transverse cutting area, and the pull rod and the tapered end of installation can be fixed tapered end and hasp, are convenient for to the fixed of upper protective housing and lower protective housing.

Preferably, the right-hand member movable mounting of tapered end lower extreme has the hasp, the rear end of connecting rod passes the circuit breaker main part and extends to the inside of circuit breaker main part, the rear end of connecting rod is located the inside and the hasp fixed connection of circuit breaker main part, the right-hand member fixedly connected with of hasp pops out the spring, the inner wall fixed connection of the right-hand member of popping out the spring and circuit breaker main part right-hand member can make the upper protective housing drive the connecting rod and move to circuit breaker main part is inside, makes tapered end and the automatic lock of hasp, is convenient for fix.

Preferably, the upper end of the upper binding post is fixedly provided with a contraction opening, the outer end of the lower portion of the upper binding post is in threaded connection with an outer hexagonal nut, the transverse cutting area of the lower portion of the upper binding post is larger than that of the upper portion of the upper binding post, the outer hexagonal nut can be manually rotated through a hexagonal tool and can be moved upwards, and the contraction opening is contracted to fix the lead.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses the last protective housing of installation can be with last terminal and the lower terminal protection at both ends about the circuit breaker main part in inside with the protective housing down, avoid the dust to fall on the department of connecting of last terminal and lower terminal, cause the corruption of connecting the department, improve the life of this circuit breaker, the connecting rod of installation can be spacing at certain home range with last protective housing and lower protective housing, avoid last protective housing and lower protective housing to drop, can carry out the spacing of slip direction with last protective housing to the connecting rod simultaneously, be convenient for go up the laminating installation of protective housing and lower protective housing, and it is comparatively convenient to work a telephone switchboard, manual during the wiring is connected the inside at the shrink mouth with the end of a thread, then through the manual outer hexagon nut of rotation of hexagonal instrument and make outer hexagon nut rebound, make the shrink mouth shrink fixed with the wire.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the connecting rod of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of the terminal of the present invention;

in the figure: 1. a circuit breaker main body; 2. a mechanical handle; 3. an upper binding post; 4. connecting a wiring column downwards; 5. an upper protective shell; 6. a lower protective shell; 7. reserving a hole; 8. a connecting rod; 9. tapping a ball; 10. a pull rod; 11. A return spring; 12. a lock head; 13. locking; 14. ejecting a spring; 15. a constriction; 16. an outer hexagonal nut.

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 a technical solution: the utility model provides a long service life's switch circuit breaker, includes circuit breaker main part 1, and the front end movable mounting of circuit breaker main part 1 has mechanical handle 2, and the upper end fixed mounting of circuit breaker main part 1 has

last terminal

3, and 3 equidistance of going up terminal are arranged in the upper end of circuit breaker main part 1, and the lower extreme fixed mounting of circuit breaker main part 1 has lower terminal 4, and lower terminal 4 equidistance is arranged at the lower extreme of circuit breaker main part 1.

Further, the upper end movable mounting of circuit breaker main part 1 has last protective housing 5, the lower extreme movable mounting of circuit breaker main part 1 has lower protective housing 6, it is the same kind of structure with lower protective housing 6 to go up protective housing 5, the rear side of going up the upper end of protective housing 5 runs through and is provided with preformed hole 7, preformed hole 7 and last terminal 3 looks adaptation, the last terminal 3 and the lower terminal 4 protection at both ends about circuit breaker main part 1 can be protected inside with lower terminal 5 of installation, avoid the dust to fall in the department of connecting electricity of last terminal 3 with lower terminal 4, cause the corruption of connecting the department of electricity, the life of this circuit breaker is improved.

Further, swing joint has connecting rod 8 between the front end of circuit breaker main part 1 is located last terminal 3, go up protective housing 5 through connecting rod 8 and circuit breaker main part 1 swing joint, the rear side movable mounting of circuit breaker main part 1 upper end has tap ball 9, connecting rod 8 of installation can be spacing at certain home range with last protective housing 5 and lower protective housing 6, avoid going up protective housing 5 and lower protective housing 6 to drop, can carry out the spacing of slip direction with last protective housing 5 to connecting rod 8 simultaneously, be convenient for go up protective housing 5 and lower protective housing 6's laminating installation.

Further, the lower extreme of taking a percentage ball 9 is located the inside fixedly connected with pull rod 10 of circuit breaker main part 1, and the outer end fixed mounting of pull rod 10 has reset spring 11, and the lower extreme fixed mounting of pull rod 10 has tapered end 12, and the transverse cutting area of tapered end 12 is greater than reset spring 11's transverse cutting area, and the pull rod 10 and the tapered end 12 of installation can be fixed tapered end 12 and hasp 13, are convenient for to the fixed of upper protective housing 5 and lower protective housing 6.

Further, a lock catch 13 is movably mounted at the right end of the lower end of the lock head 12, the rear end of the connecting rod 8 penetrates through the breaker main body 1 and extends into the breaker main body 1, the rear end of the connecting rod 8 is located inside the breaker main body 1 and is fixedly connected with the lock catch 13, a pop-up spring 14 is fixedly connected to the right end of the lock catch 13, the right end of the pop-up spring 14 is fixedly connected with the inner wall of the right end of the breaker main body 1, when the breaker is opened, the pull rod 10 drives the lock head 12 to separate the lock head 12 from the lock catch 13, the spring is popped up under the automatic resilience of the pop-up spring 14, the spring is reset under the resilience of the reset spring 11, the upper protection shell 5 and the lower protection shell 6 are opened, the upper protection shell 5 and the lower protection shell 6 are manually pushed when the inspection or wiring is completed, the upper protection shell 5 drives the connecting rod 8, is convenient for fixing.

Further, the upper end of the upper binding post 3 is fixedly provided with a contraction port 15, the outer end of the lower portion of the upper binding post 3 is in threaded connection with an outer hexagonal nut 16, the transverse cutting area of the lower portion of the upper binding post 3 is larger than that of the upper portion of the upper binding post, the wire head is manually connected inside the contraction port 15 during wiring, then the outer hexagonal nut 16 is manually rotated through a hexagonal tool, the outer hexagonal nut 16 is made to move upwards, and the contraction port 15 is made to contract to fix a wire.

The utility model discloses a theory of operation: firstly, the circuit breaker is fixed through a screw, then a tap ball 9 is manually drawn when the circuit breaker is opened, a pull rod 10 drives a lock head 12 to separate the lock head 12 from a lock catch 13, the circuit breaker is popped out under the action of the automatic resilience force of a pop-up spring 14 and is reset under the action of the elasticity of a reset spring 11, an upper protective shell 5 and a lower protective shell 6 are opened, the upper protective shell 5 and the lower protective shell 6 are manually pushed when the inspection or wiring is finished, the upper protective shell 5 drives a connecting rod 8 to move towards the inside of a circuit breaker main body 1, the lock head 12 is automatically buckled with the lock catch 13, the wire end is manually connected inside a contraction opening 15 when the wiring is finished, then an outer hexagon nut 16 is manually rotated through a hexagon tool, the contraction opening 15 is contracted to fix a wire, and the upper protective shell 5 and the lower protective shell 6 can be limited within a certain moving range by the installed connecting rod 8, avoid upper protective housing 5 and lower protective housing 6 to drop, can carry out the spacing of slip direction with upper protective housing 5 to connecting rod 8 simultaneously, be convenient for the laminating installation of upper protective housing 5 and lower protective housing 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A long service life's switch circuit breaker, includes circuit breaker main part (1), its characterized in that: the front end movable mounting of circuit breaker main part (1) has mechanical handle (2), the upper end fixed mounting of circuit breaker main part (1) has last terminal (3), the upper end of going up terminal (3) is fixed and is provided with shrinkage pool (15), the outer end threaded connection of going up terminal (3) lower part has outer hexagon nut (16), the crosscut area of going up terminal (3) lower part is greater than the crosscut area on its upper portion, go up terminal (3) equidistance and arrange in the upper end of circuit breaker main part (1), the lower extreme fixed mounting of circuit breaker main part (1) has lower terminal (4), lower terminal (4) equidistance is arranged at the lower extreme of circuit breaker main part (1), the upper end movable mounting of circuit breaker main part (1) has upper protective housing (5), the lower extreme movable mounting of circuit breaker main part (1) has lower protective housing (6), go up protective housing (5) and lower protective housing (6) are the same kind of structure, the rear side of going up protective housing (5) upper end runs through and is provided with preformed hole (7), preformed hole (7) and last terminal (3) looks adaptation, swing joint has connecting rod (8) between the front end of circuit breaker main part (1) is located terminal (3), go up protective housing (5) through connecting rod (8) and circuit breaker main part (1) swing joint, rear side movable mounting of circuit breaker main part (1) upper end has tap ball (9).

2. A long-life switching disconnector according to claim 1, characterized in that: the lower extreme of tap ball (9) is located inside fixedly connected with pull rod (10) of circuit breaker main part (1), the outer end fixed mounting of pull rod (10) has reset spring (11), the lower extreme fixed mounting of pull rod (10) has tapered end (12), the transverse cutting area of tapered end (12) is greater than reset spring (11) transverse cutting area.

3. A long-life switching disconnector according to claim 2, characterized in that: the utility model discloses a circuit breaker, including tapered end (12), circuit breaker main part (1), connecting rod (8), hasp (13), spring (14) are popped out to the right-hand member movable mounting of tapered end (12) lower extreme, the rear end of connecting rod (8) passes circuit breaker main part (1) and extends to the inside of circuit breaker main part (1), the rear end of connecting rod (8) is located the inside and hasp (13) fixed connection of circuit breaker main part (1), the right-hand member fixed connection of hasp (13), the right-hand member of popping out spring (14) and the inner wall fixed connection of circuit breaker main part.