CN216354027U

CN216354027U - Moving contact seat for installing circuit breaker

Info

Publication number: CN216354027U
Application number: CN202122747144.1U
Authority: CN
Inventors: 王希春; 赵冠强
Original assignee: Laiwu Wanjin Machinery Co ltd
Current assignee: Laiwu Wanjin Machinery Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a moving contact seat for installing a circuit breaker. The technical scheme comprises the following steps: casing, waterproof component, electricity ally oneself with seat and electrode holder, four group's installation section of thick bamboo are installed to the inside equidistance of casing, and the internally mounted of installation section of thick bamboo has the electricity to ally oneself with the seat, and the internally mounted of electricity ally oneself with the seat has the contact, and the shell fragment that extends electricity and ally oneself with the seat bottom is installed to the bottom both sides of contact, and the electrode holder is installed at the top of electricity ally oneself with the seat, and waterproof component is installed to the inside both sides of installation section of thick bamboo, installs the carousel in the waterproof component, and the installation axle is installed to inside one side of carousel. According to the utility model, the turntable is arranged on the outer side of the mounting shaft, and the cable is contacted with the rubber cover on the outer side of the turntable when being inserted into the connecting groove, so that the vertical upward thrust is exerted on the turntable, the turntable is enabled to turn around the mounting shaft, and the waterproof buckle can be tightly clamped on the outer side of the cable, so that the cable is protected from water.

Description

Moving contact seat for installing circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a moving contact seat for installing a circuit breaker.

Background

The circuit breaker is a device used for circuit connection and current voltage-stabilizing transmission in a circuit system, and can replace manual and automatic circuit cutting-off when current in the circuit abnormally fluctuates by connecting the circuit breaker into the circuit system, so that the overall safety of the circuit system is ensured, and the loss caused by circuit faults is reduced to the minimum.

Through the search, patent publication No. CN213877977U discloses a moving contact base mounting mechanism of a circuit breaker, two sides and a body of a moving contact base are provided with a first cylindrical mounting post and a second cylindrical mounting post, a first boss is arranged on a base, a first shaft is integrally arranged on the first boss, a first annular groove is arranged at the periphery of a connection part of the first shaft and the first boss, a second boss is arranged on an upper cover, a second shaft is arranged on the second boss and the body of the second boss, a second annular groove is arranged at the periphery of the connection part of the second shaft and the second boss, and the end part of the second cylindrical mounting post is abutted in the second annular groove after the second shaft is sleeved by the second cylindrical mounting post.

The movable contact base mounting mechanism of the existing circuit breaker has the following defects:

1. when a cable is installed, a moving contact seat installation mechanism of the conventional circuit breaker cannot provide water resistance for the cable, so that part of the circuit breaker installed in an outdoor distribution box is caused, the risk of electric leakage exists when the cables are connected with each other to transmit current, a circuit system is easy to break down, and the aging of equipment is easy to accelerate when the connection part of the circuit breaker and the cable is exposed in a humid environment for a long time;

2. when the moving contact seat installation mechanism of the existing circuit breaker is used for connecting the circuit breaker and a cable, the moving contact seat of the traditional circuit can often cause the circuit to have poor contact because of untight installation, and then can cause influence on the current transmission stability in a circuit system, the serious circuit can be directly burnt, and the circuit is easy to have serious safety accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a movable contact seat for installing a circuit breaker.

The technical scheme of the utility model is as follows: the utility model provides a moving contact seat for circuit breaker installation usefulness, includes casing, waterproof component, electricity allies oneself with seat and electrode holder, the fixing base is installed to the both sides of casing, eight screw thread seats of group are installed to the bottom equidistance of casing, four group's installation section of thick bamboos are installed to the inside equidistance of casing, the internally mounted of installation section of thick bamboo has electricity allies oneself with the seat, the internally mounted of electricity allies oneself with the seat has the contact, the shell fragment that extends electricity allies oneself with the seat bottom is installed to the bottom both sides of contact, the electrode holder is installed at the top of electricity allies oneself with the seat, waterproof component is installed to the inside both sides of installation section of thick bamboo, install the carousel in the waterproof component, the installation axle is installed to inside one side of carousel, the rubber casing is installed in the outside of carousel.

Preferably, the buckle is installed to one side of screw thread seat, and the both ends of buckle install spacing terminal.

Preferably, the bottom of carousel is installed waterproof knot, and the inside one side of waterproof knot installs the silica gel piece.

Preferably, the inside of installation section of thick bamboo is installed the spread groove, and the bottom of spread groove is equipped with the through wires hole.

Preferably, the top of the contact is provided with a copper rod extending out, and the copper rod is electrically connected with the bottom of the electrode holder.

Preferably, clamping discs are installed on two sides of the electrode holder, and connecting sheets extending out of the shell are installed at the top of the electrode holder.

Compared with the prior art, the utility model has the following beneficial technical effects:

through installing the carousel in the outside of installation axle, contact with the rubber casing in the carousel outside when utilizing the cable to insert the spread groove, and then apply perpendicular ascending thrust to the carousel, make the carousel overturn around the installation axle, so that carry out the centre gripping through two sets of carousels to the outside of cable conductor fixed, and can make the inseparable block of waterproof knot in the outside of cable conductor, so that carry out water proof to the cable conductor, avoid cable conductor and device electric connection's position to receive moisture corrosion, install the shell fragment through the bottom at the electricity federation seat, the shell fragment is applyed the elasticity to the one end of cable conductor, make the cable conductor receive behind the elasticity that the shell fragment was applyed, can be inseparable be connected with the device, thereby the transmission stability of electric current in the circuit has been increased, bad contact probability when having reduced the installation of moving contact base, the practicality of device has been increased.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a front external view of the present invention;

fig. 4 is a partial structural view of the waterproof assembly of the present invention.

Reference numerals: 1. a housing; 101. a fixed seat; 102. a threaded seat; 103. buckling; 104. a limit terminal; 2. a waterproof assembly; 201. a turntable; 202. installing a shaft; 203. a rubber cover; 204. a silica gel sheet; 205. a waterproof buckle; 3. mounting the cylinder; 301. connecting grooves; 302. threading holes; 4. an electrical coupler seat; 401. a contact; 402. a spring plate; 403. a copper rod; 5. an electrode holder; 501. a clamping disc; 502. and (7) connecting the sheets.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the moving contact base for installing a circuit breaker provided by the present invention comprises a housing 1, a waterproof assembly 2, an electrical connection base 4 and an electrode base 5, wherein two sides of the housing 1 are provided with fixing bases 101, the bottom of the housing 1 is equidistantly provided with eight sets of screw thread bases 102, the interior of the screw thread bases 102 is provided with screws through a screw thread structure, the interior of the housing 1 is equidistantly provided with four sets of installation cylinders 3, the interior of the installation cylinder 3 is provided with the electrical connection base 4, the interior of the electrical connection base 4 is provided with a contact 401, two sides of the bottom of the contact 401 are provided with elastic pieces 402 extending out of the bottom of the electrical connection base 4, the top of the electrical connection base 4 is provided with the electrode base 5, two sides of the interior of the installation cylinder 3 are provided with the waterproof assembly 2, the interior of the waterproof assembly 2 is provided with a rotating disc 201, one side of the interior of the rotating disc 201 is provided with an installation shaft 202, the outer side of the rotating disc 201 is provided with a rubber cover 203, the bottom of the rotating disc 201 is provided with a waterproof button 205, and a silicon sheet 204 is arranged on one side of the inner part of the waterproof button 205.

The operating principle of the movable contact base for installing the circuit breaker based on the embodiment 1 is as follows: connecting piece 502 and the inside circuit system electric connection of circuit breaker through the wire, with casing 1 fixed mounting in the bottom of circuit breaker through fixing base 101, insert the inside of installation section of thick bamboo 3 perpendicularly through wires hole 302 with the cable conductor, the both sides of cable conductor and the one side contact of carousel 201, and then promote the upset of carousel 201, make waterproof knot 205 carry out the centre gripping to the cable conductor, silica gel piece 204 increases the frictional force between waterproof knot 205 inner wall and the cable conductor, one end electric connection through shell fragment 402 and cable conductor, and exert elasticity to the one end of cable conductor, make cable conductor and the 4 electric connection of electric connection seat, through copper pole 403 with the inside current transmission of electric connection seat 4 to electrode holder 5, the inside that again immerges the circuit breaker of electrode holder 5 carries out current transmission.

Example two

As shown in fig. 1 to 4, compared with the first embodiment, the movable contact base for installing a circuit breaker according to the present invention further includes: buckle 103 is installed to one side of screw seat 102, and spacing terminal 104 is installed at the both ends of buckle 103, and the internally mounted of installation section of thick bamboo 3 has spread groove 301, and the bottom of spread groove 301 is equipped with through wires hole 302, and copper pole 403 that extends is installed at the top of contact 401, and copper pole 403 and electrode holder 5's bottom electric connection.

In this embodiment, the clamping discs 501 are installed on two sides of the electrode holder 5, and the connecting sheet 502 extending out of the housing 1 is installed on the top of the electrode holder 5.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a move contact seat for circuit breaker installation usefulness, includes casing (1), waterproof assembly (2), electricity federation seat (4) and electrode holder (5), its characterized in that: fixing base (101) are installed to the both sides of casing (1), eight screw thread seats (102) are installed to the bottom equidistance of casing (1), four group's installation section of thick bamboos (3) are installed to the inside equidistance of casing (1), the internally mounted of installation section of thick bamboo (3) has electricity to ally oneself with seat (4), the internally mounted of electricity ally oneself with seat (4) has contact (401), shell fragment (402) that extend electricity and ally oneself with seat (4) bottom are installed to the bottom both sides of contact (401), electrode holder (5) are installed at the top of electricity allies oneself with seat (4), waterproof component (2) are installed to the inside both sides of installation section of thick bamboo (3), install carousel (201) in waterproof component (2), installation axle (202) are installed to inside one side of carousel (201), rubber casing (203) are installed in the outside of carousel (201).

2. A movable contact mount for mounting a circuit breaker as claimed in claim 1, wherein: a buckle (103) is installed on one side of the threaded seat (102), and limit terminals (104) are installed at two ends of the buckle (103).

3. A movable contact mount for mounting a circuit breaker as claimed in claim 1, wherein: waterproof button (205) are installed to the bottom of carousel (201), and the inside one side of waterproof button (205) is installed silica gel piece (204).

4. A movable contact mount for mounting a circuit breaker as claimed in claim 1, wherein: the internally mounted of installation section of thick bamboo (3) has spread groove (301), and the bottom of spread groove (301) is equipped with through wires hole (302).

5. A movable contact mount for mounting a circuit breaker as claimed in claim 1, wherein: the top of the contact (401) is provided with a copper rod (403) which extends out, and the copper rod (403) is electrically connected with the bottom of the electrode seat (5).

6. A movable contact mount for mounting a circuit breaker as claimed in claim 1, wherein: clamping discs (501) are installed on two sides of the electrode holder (5), and connecting sheets (502) extending out of the shell (1) are installed at the top of the electrode holder (5).