CN211016955U

CN211016955U - Circuit breaker

Info

Publication number: CN211016955U
Application number: CN202020044912.XU
Authority: CN
Inventors: 周维峰; 林凯; 胡广召
Original assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Current assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-07-14
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a circuit breaker, which comprises a shell, wherein a connecting terminal, a static contact, a moving contact, a swing rod, a moving contact operating mechanism, an arc extinguish chamber and an electromagnetic tripping mechanism are arranged on the shell, the swing rod can drive the moving contact operating mechanism to drive the moving contact to be connected with or disconnected from the static contact, the electromagnetic tripping mechanism can drive the circuit breaker to be opened, the connecting terminal is distributed at the front end and the rear end of the shell, the static contact, the moving contact, the swing rod, the moving contact operating mechanism, the arc extinguish chamber and the electromagnetic tripping mechanism are distributed at the middle part of the shell, a wire laying groove for a wire to penetrate is also arranged in the shell, a plurality of wire laying grooves are arranged side by side, a magnetic ring installation cavity is also arranged between the rear end of the electromagnetic tripping mechanism and the connecting terminal, a magnetic ring is, the use is safe.

Description

Circuit breaker

Technical Field

The utility model relates to a low-voltage apparatus technical field, in particular to circuit breaker.

Background

The circuit breaker is the most widely used terminal protection electrical apparatus in the electrical apparatus terminal distribution device, in the prior art, the circuit breaker comprises a shell, the shell is provided with a wiring terminal, a fixed contact, a movable contact, a swing rod, a movable contact operating mechanism and an electromagnetic tripping mechanism, the swing rod can drive the movable contact operating mechanism to drive the movable contact to be connected with or disconnected from the fixed contact, the electromagnetic tripping mechanism can drive the circuit breaker to open, the internal structure is complicated, the circuit installation is more disordered, the wires are easily interlaced and wound together when being connected, the trend of the connecting wires cannot be clearly observed, and the circuit breaker is not convenient to maintain and detect.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a circuit breaker, the overall arrangement is more reasonable, can be clear observe the trend of connecting wire when the circuit installation be convenient for wiring and maintenance, also relatively more safety when using.

The utility model discloses a circuit breaker, including the casing, be equipped with binding post, static contact, moving contact, pendulum rod, moving contact operating device, explosion chamber and electromagnetic tripping device on the casing, the pendulum rod swing can drive moving contact operating device and drive being connected or breaking off of moving contact and static contact, and electromagnetic tripping device can drive circuit breaker separating brake, its characterized in that: the wiring terminal is distributed at the front end and the rear end of the shell, the static contact, the moving contact, the swing rod, the moving contact operating mechanism, the arc extinguish chamber and the electromagnetic tripping mechanism are distributed in the middle of the shell, a wire laying groove for the wire to penetrate is further formed in the shell, the wire laying groove is provided with a plurality of wires and is arranged side by side, a magnetic ring installation cavity is further arranged between the rear end of the electromagnetic tripping mechanism and the wiring terminal, and a magnetic ring is arranged in the magnetic ring installation.

By adopting the technical scheme, the wires can be arranged in the shell in a penetrating manner more orderly, the trend of connection of the wires can be clearly known, the detection and the maintenance can be more convenient, the installation of the magnetic ring can be facilitated, and the internal structure layout is more reasonable.

The utility model discloses a further setting again: the shell comprises a first shell and a second shell, the first shell and the second shell are in plug-in fit, a mounting seat is further arranged between the first shell and the second shell, mounting grooves for mounting a wiring terminal, a fixed contact, a moving contact, a swing rod, a moving contact operating mechanism, an arc extinguish chamber and an electromagnetic tripping mechanism are formed in the mounting seat, a wiring cavity is further formed in the first shell, a plurality of stand columns which are arranged side by side are arranged in the wiring cavity, the stand columns are arranged at intervals, and wiring grooves are formed between two adjacent rows of stand columns and the first shell and the mounting seat.

Adopt the aforesaid to further set up again, can assemble each part into a whole through the mount pad, on the whole assembly after will installing the casing again, can be so that more convenient in the assembly, the chamber of laying wire can divide into a plurality of wire laying grooves through the stand, can be convenient for wear to establish of wire, utilization inner space that can be abundant.

The utility model discloses a further setting again: the first shell is also provided with a power taking mechanism, the power taking mechanism comprises a button, a first power taking torsion spring and a second power taking torsion spring, one end of the button is arranged in the first shell, the other end of the button extends out of the first shell, the button is arranged on the first shell in a sliding manner, one end of the button arranged in the first shell is provided with a groove and a limiting block, the upper end surface of the limiting block can be abutted against the inner side wall of the shell to form limiting, the first shell is provided with a first mounting column and a second mounting column, the first mounting column comprises a first mounting column a and a first mounting column b, the first power taking torsion spring is sleeved on the first mounting column a, the second power taking torsion spring is sleeved on the first mounting column b, the second mounting column comprises a second mounting column b, each second mounting column is sleeved with a conducting ring, one end of the first power taking torsion spring is electrically connected with the conducting ring on the second mounting column a, the other end of the first power taking torsion spring extends to the upper part of the second mounting column b and penetrates, one end of the second electricity-taking torsion spring is used for voltage access, and the other end of the second electricity-taking torsion spring is electrically connected with the conducting ring on the second mounting column a.

Adopt the aforesaid to further set up again, this get electric mechanism's structure is more reasonable, can reduce the connection of wire, and is more firm in the assembly, and is more stable in the time of the use, presses the button in needs detection circuitry, and the first electricity of getting torsional spring setting is connected with the conducting ring electricity on the second erection column b in the one end of second erection column b top for it carries out work to get electric mechanism, can also utilize the elasticity of torsional spring to reset, and it is more convenient to use.

The utility model discloses a further setting: the first shell is further provided with a supporting table at the position of the wire laying cavity, the mounting seat is provided with a pressing block at the position of the wire laying cavity, and the pressing block is pressed in the wire laying cavity and abutted against the supporting table.

Adopt above-mentioned further setting, the compact heap can restrict the wire of each shop's inslot with shop's line chamber cooperation and cluster out by shop's inslot for it is more stable when using, and the brace table can give the effect of a support in the compact heap in addition, thereby plays the supporting role to the mount pad, can prevent that the compact heap from directly pressing and establish on the wire.

The utility model discloses a further setting: the wire laying grooves comprise a primary wire laying groove and a secondary wire laying groove, the diameter of a notch of the primary wire laying groove is smaller than that of a notch of the secondary wire laying groove, a first arc-shaped groove for a wire to penetrate is formed in the bottom of the secondary wire laying groove, and a second arc-shaped groove for the wire to penetrate is formed in the position, corresponding to the secondary wire laying groove, of the pressing block.

By adopting the further arrangement, wires with different diameters can be installed in the corresponding wire laying grooves, and the space in the shell can be fully utilized, so that the wiring is more convenient and reasonable.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of a compact block on the mounting base of the present invention;

FIG. 5 is a schematic view of the structure of the mounting base of the present invention;

fig. 6 is a schematic structural view of a first casing of the present invention;

fig. 7 is an enlarged view of a portion a of fig. 6.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

the utility model discloses a circuit breaker, which comprises a shell 1, wherein a connecting terminal 2, a static contact 3, a moving contact 4, a swing rod 5, a moving contact operating mechanism 6, an arc extinguish chamber 7 and an electromagnetic tripping mechanism 8 are arranged on the shell 1, the swing rod 5 can drive the moving contact operating mechanism 6 to drive the moving contact 4 to be connected with or disconnected from the static contact 3, the electromagnetic tripping mechanism 8 can drive the circuit breaker to open, the technical characteristics are common in the prior art, so the technical characteristics are not further explained in the embodiment, in the implementation case of the utility model, the connecting terminal 2 is distributed at the front end and the rear end of the shell 1, the static contact 3, the moving contact 4, the swing rod 5, the moving contact operating mechanism 6, the arc extinguish chamber 7 and the electromagnetic tripping mechanism 8 are distributed at the middle part of the shell 1, and a wire laying groove 9 for a lead to, the wire laying groove 9 is provided with a plurality of wires and is arranged side by side, a magnetic ring mounting cavity 10 is further arranged between the rear end of the electromagnetic tripping mechanism 8 and the wiring terminal 2, a magnetic ring 11 is arranged in the magnetic ring mounting cavity 10, wires can be arranged in the shell 1 more orderly, the trend of connection of the wires can be clearly known, detection and maintenance can be more convenient, the installation of the magnetic ring 11 can be facilitated, and the internal structure layout is more reasonable.

The shell 1 comprises a first shell 111 and a second shell 112, the first shell 111 and the second shell 112 are matched in an inserting manner, an installation base 12 is further arranged between the first shell 111 and the second shell 112, installation grooves 13 for installing a wiring terminal 2, a fixed contact 3, a movable contact 4, a swing rod 5, a movable contact operating mechanism 6, an arc extinguish chamber 7 and an electromagnetic tripping mechanism 8 are arranged on the installation base 12, a wiring cavity 14 is further arranged on the first shell 111, a plurality of upright posts 15 which are arranged side by side are arranged on the wiring cavity 14, the upright posts 15 are arranged at intervals, wiring grooves 9 are formed between two adjacent rows of upright posts 15 and the first shell 111 and the installation base 12, all components can be assembled into a whole through the installation base, the assembled whole is assembled on the shell 1, the assembly is more convenient, the wiring cavity 14 can be divided into a plurality of wiring grooves 9 through the upright posts 15, the wire can be conveniently penetrated and arranged, and the internal space can be fully utilized.

The first shell 111 is further provided with a power taking mechanism, the power taking mechanism comprises a button 17, a first power taking torsion spring 18 and a second power taking torsion spring 19, one end of the button 17 is arranged in the first shell 111, the other end of the button 17 extends out of the first shell 111, the button 17 is arranged on the first shell 111 in a sliding manner, one end of the button 17 arranged in the first shell 111 is provided with a groove 20 and a limiting block 21, the upper end surface of the limiting block 21 can be abutted against the inner side wall of the first shell 111 to form limiting, so that the button 17 is prevented from falling out of the first shell 111, the first shell 111 is provided with a first mounting post 22 and a second mounting post 23123, the first mounting post 22 comprises a first mounting post a2211 and a first mounting post b2212, the first power taking torsion spring 18 is sleeved on the first mounting post a2211, the second power taking torsion spring 19 is sleeved on the first mounting post b2312, the second mounting post 22123 comprises a second mounting post a2311 and a second mounting post 2312, and each second mounting post 23116 is sleeved on each second mounting post, one end of a first electricity taking torsion spring 18 is electrically connected with a conducting ring 16 on a second mounting post a2311, the other end of the first electricity taking torsion spring extends to the upper portion of a second mounting post b2312 and penetrates through a groove 20, so that one end of the first electricity taking torsion spring 18 extending to the second mounting post b2312 can be matched with a button 17 in a linkage mode, one end of a second electricity taking torsion spring 19 is used for voltage connection, the other end of the second electricity taking torsion spring is electrically connected with the conducting ring 16 on the second mounting post a2311, the first electricity taking torsion spring 18 is electrically connected with a second electricity taking torsion spring 19 through the conducting ring 16 on the second mounting post a2311, the structure of the electricity taking mechanism is more reasonable, connection of conducting wires can be reduced, assembling is firmer and more stable in use, the button 17 is pressed down when a circuit needs to be detected, one end of the first electricity taking torsion spring 18 arranged above the second mounting post b2312 is electrically connected with the, the elastic force of the torsion spring can be used for resetting, and the use is more convenient.

Still be equipped with a supporting bench 25 in lieing in shop's line chamber 14 position on first casing 111, mount pad 12 lies in shop's line chamber 14 position and is equipped with compact heap 26, compact heap 26 is pressed and is established in shop's line chamber 14 and contradicts on a supporting bench 25, compact heap 26 and shop's line chamber 14 cooperation can restrict the wire in each shop's line groove 9 and cluster out by shop's line groove 9 in, it is more stable when using to make, and a supporting bench 25 can give the effect of a support of compact heap 26, thereby play the supporting role to mount pad 12, can prevent that compact heap 26 directly presses and establish on the wire.

The wire laying groove 9 comprises a first-level wire laying groove 911 and a second-level wire laying groove 912, the notch diameter of the first-level wire laying groove 911 is smaller than the notch diameter of the second-level wire laying groove 912, the first arc-shaped groove 27 for the wire to penetrate is formed in the bottom of the second-level wire laying groove 912, the second arc-shaped groove 28 for the wire to penetrate is formed in the position, corresponding to the second-level wire laying groove 912, of the pressing block 26, the wires with different diameters can be installed in the corresponding wire laying grooves, the space in the shell 1 can be fully utilized, and the wire laying is convenient and reasonable.

Claims

1. The utility model provides a circuit breaker, including the casing, is equipped with binding post, static contact, moving contact, pendulum rod, moving contact operating device, explosion chamber and electromagnetic tripping device on the casing, and the pendulum rod swing can drive moving contact operating device and drive being connected or breaking off of moving contact and static contact, and electromagnetic tripping device can drive circuit breaker separating brake, its characterized in that: the wiring terminal is distributed at the front end and the rear end of the shell, the static contact, the moving contact, the swing rod, the moving contact operating mechanism, the arc extinguish chamber and the electromagnetic tripping mechanism are distributed in the middle of the shell, a wire laying groove for the wire to penetrate is further formed in the shell, the wire laying groove is provided with a plurality of wires and is arranged side by side, a magnetic ring installation cavity is further arranged between the rear end of the electromagnetic tripping mechanism and the wiring terminal, and a magnetic ring is arranged in the magnetic ring installation.

2. A circuit breaker according to claim 1, wherein: the shell comprises a first shell and a second shell, the first shell and the second shell are in plug-in fit, a mounting seat is further arranged between the first shell and the second shell, mounting grooves for mounting a wiring terminal, a fixed contact, a moving contact, a swing rod, a moving contact operating mechanism, an arc extinguish chamber and an electromagnetic tripping mechanism are formed in the mounting seat, a wiring cavity is further formed in the first shell, a plurality of stand columns which are arranged side by side are arranged in the wiring cavity, the stand columns are arranged at intervals, and wiring grooves are formed between two adjacent rows of stand columns and the first shell and the mounting seat.

3. A circuit breaker according to claim 2, wherein: the first shell is also provided with a power taking mechanism, the power taking mechanism comprises a button, a first power taking torsion spring and a second power taking torsion spring, one end of the button is arranged in the first shell, the other end of the button extends out of the first shell, the button is arranged on the first shell in a sliding manner, one end of the button arranged in the first shell is provided with a groove and a limiting block, the upper end surface of the limiting block can be abutted against the inner side wall of the shell to form limiting, the first shell is provided with a first mounting column and a second mounting column, the first mounting column comprises a first mounting column a and a first mounting column b, the first power taking torsion spring is sleeved on the first mounting column a, the second power taking torsion spring is sleeved on the first mounting column b, the second mounting column comprises a second mounting column b, each second mounting column is sleeved with a conducting ring, one end of the first power taking torsion spring is electrically connected with the conducting ring on the second mounting column a, the other end of the first power taking torsion spring extends to the upper part of the second mounting column b and penetrates, one end of the second electricity-taking torsion spring is used for voltage access, and the other end of the second electricity-taking torsion spring is electrically connected with the conducting ring on the second mounting column a.

4. A circuit breaker as claimed in claim 1, 2 or 3, wherein: the first shell is further provided with a supporting table at the position of the wire laying cavity, the mounting seat is provided with a pressing block at the position of the wire laying cavity, and the pressing block is pressed in the wire laying cavity and abutted against the supporting table.

5. A circuit breaker according to claim 4, wherein: the wire laying grooves comprise a primary wire laying groove and a secondary wire laying groove, the diameter of a notch of the primary wire laying groove is smaller than that of a notch of the secondary wire laying groove, a first arc-shaped groove for a wire to penetrate is formed in the bottom of the secondary wire laying groove, and a second arc-shaped groove for the wire to penetrate is formed in the position, corresponding to the secondary wire laying groove, of the pressing block.