CN213936076U

CN213936076U - Circuit breaker with double-breakpoint contact structure arranged in parallel

Info

Publication number: CN213936076U
Application number: CN202023148611.0U
Authority: CN
Inventors: 朱建丰
Original assignee: Jiangsu Tianxiang Intelligent System Co ltd
Current assignee: Jiangsu Tianxiang Intelligent System Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-10
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a circuit breaker with a double-breakpoint contact structure arranged in parallel, which comprises an insulating mounting plate and an opening and closing mechanism; insulating the mounting plate: mounting holes are symmetrically formed in four corners of the upper surface of the insulating mounting plate, insulating support plates are symmetrically arranged in four corners of the upper surface of the insulating mounting plate, an insulating plate is arranged at the top end of the whole formed by the two insulating support plates in the same longitudinal direction, the two insulating support plates in the same longitudinal direction are connected through reinforcing plates which are uniformly and vertically distributed, conducting bolts which are symmetrically distributed in the front and back direction are arranged on the upper surface of each insulating plate, and rubber nuts are connected to the top ends of the conducting bolts in a threaded mode; the opening and closing mechanism comprises: all set up in the upper surface of insulation board, the mechanism that opens and shuts includes T-slot, insulating backup pad and T shape pole, and this circuit breaker with parallel arrangement's double break point contact structure realizes that the personnel keep away from the conductive equipment when the circuit that opens and shuts and operates, ensures personal safety.

Description

Circuit breaker with double-breakpoint contact structure arranged in parallel

Technical Field

The utility model relates to a circuit breaker technical field specifically is a circuit breaker of two breakpoint contact structures with parallel arrangement.

Background

The circuit breaker is a switching device which can close, bear and break the current under the condition of a normal circuit and can close, bear and break the current under the condition of an abnormal circuit within a specified time, the arc voltage shared by a double-breakpoint contact and a single-breakpoint contact is different, the arc voltage of each column is halved, and arc extinguishing is easier, so the circuit breaker is wider in use, the existing circuit breaker with the parallel-arranged double-breakpoint contact structure is positioned by magnetic adsorption after opening and closing are finished, the potential safety hazard of the device is larger, the direction of the circuit when the circuit is opened and closed cannot be stably guided, the circuit breaker is inconvenient for personnel to operate, stable connection and disconnection of the circuit cannot be realized, the reliability of power failure cannot be enhanced, the personnel cannot be operated far away from conductive equipment when the circuit is opened and closed, the personal safety cannot be guaranteed, and the personnel cannot be operated conveniently when the circuit is opened and closed, the structural strength of the device cannot be enhanced, the reliability and stability of the device are affected, and therefore, the realization of the circuit breaker with the double-breakpoint contact structure arranged in parallel for solving the problems is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a circuit breaker with parallel arrangement's two breakpoint contact structures, realize that personnel keep away from conductive equipment when the circuit opens and shuts and operate, ensure personal safety, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a circuit breaker with double-breakpoint contact structures arranged in parallel comprises an insulating mounting plate and an opening and closing mechanism;

insulating the mounting plate: mounting holes are symmetrically formed in four corners of the upper surface of the insulating mounting plate, insulating support plates are symmetrically arranged in four corners of the upper surface of the insulating mounting plate, an insulating plate is arranged at the top end of the whole formed by the two insulating support plates in the same longitudinal direction, the two insulating support plates in the same longitudinal direction are connected through reinforcing plates which are uniformly and vertically distributed, conducting bolts which are symmetrically distributed in the front and back direction are arranged on the upper surface of each insulating plate, and rubber nuts are connected to the top ends of the conducting bolts in a threaded mode;

the opening and closing mechanism comprises: all set up in the upper surface of insulation board, stable direction when opening and shutting the circuit makes things convenient for personnel to operate, realizes the stable intercommunication and the circuit that opens and shuts to the circuit, and the reliability of reinforcing outage realizes that personnel keep away from conductive equipment when opening and shutting the circuit and operates, ensures personal safety, and personnel are convenient for operate when opening and shutting the circuit, reinforcing means's structural strength, the reliable stability of improvement device.

Further, the mechanism that opens and shuts includes T-slot, insulating backup pad and T shape pole, the equal front and back symmetry of insulating backup pad sets up in the upper surface of insulation board, and the medial surface that insulating backup pad is close to the horizontal center of insulation board all is equipped with vertical T-slot, and the equal sliding connection in inside in T-slot has T shape pole, and the direction when the stable direction is opened and shut the circuit makes things convenient for personnel to operate.

Furthermore, the mechanism that opens and shuts still includes electrically conductive frame circle, conducting rod and insulating sliding plate, electrically conductive frame circle sets up respectively in the interior end that T shape pole is close to the horizontal center of insulation board, lies in the equal sliding connection of same two horizontal electrically conductive frame circles inside and has the conducting rod, and the right-hand member head of two conducting rods all is connected with the left surface fixed of insulating sliding plate, realizes the stable intercommunication and the circuit that opens circuit to the circuit, strengthens the reliability of outage.

Further, the mechanism that opens and shuts still includes deflector, bar mouth and rubber pole, the deflector sets up in the upper surface of the insulation board on right side, and the left surface of deflector is equipped with the location spout, and location spout and insulating sliding plate sliding connection, the right side inner wall of location spout are equipped with the bar mouth, and the right flank of insulating sliding plate is equipped with the rubber pole, rubber pole and bar mouth sliding connection, realize that personnel keep away from conductive equipment when the circuit that opens and shuts and operate, ensure personal safety.

Further, be equipped with evenly distributed's antiskid circle on the body of rod of rubber pole, the upper surface right side of insulating mounting panel is equipped with the bracing piece of front and back symmetric distribution, the top of bracing piece all with the right flank fixed connection of deflector, the personnel be convenient for operate when carrying out the circuit that opens and shuts, reinforcing device's structural strength, improve the reliable stability of device.

Compared with the prior art, the beneficial effects of the utility model are that: this circuit breaker with parallel arrangement's double break point contact structure has following benefit:

when circuit wiring work needs to be carried out, the rubber rod is held by hands, the rubber rod is enabled to slide upwards in the strip-shaped opening, the anti-slip ring is convenient for personnel to control the position of the rubber rod, the insulating sliding plate is driven to slide upwards in the positioning sliding groove on the left side surface of the guide plate, the conductive rod is further driven to slide with the conductive frame ring in the same transverse direction, the T-shaped rod is driven to slide upwards in the corresponding T-shaped groove when the height of the conductive rod rises, the conductive frame ring is driven to be away from the corresponding conductive bolt until the threaded hole in the middle of the rubber rod corresponds to the through hole in the middle of the positioning block at the upper end of the right side surface of the guide plate, the threaded hole in the middle of the rubber rod is in threaded connection with the through hole in the middle of the positioning block at the upper end of the right side surface of the guide plate by utilizing the external positioning bolt, the position of the rubber rod is fixed, circuit breaking work is realized, the convenience is brought for the personnel to carry out the wiring work, and the safety of the personnel in circuit opening and closing operation is effectively guaranteed, the personnel of being convenient for operate, improve work efficiency.

Drawings

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

fig. 2 is a schematic view of the opening and closing mechanism of the present invention.

In the figure: 1 insulating mounting plate, 2 insulating plates, 3 reinforcing plates, 4 insulating support plates, 5 conductive bolts, 6 rubber nuts, 7 opening and closing mechanisms, 71T-shaped grooves, 72 insulating support plates, 73T-shaped rods, 74 conductive frame rings, 75 conductive rods, 76 insulating sliding plates, 77 guide plates, 78 strip-shaped openings, 79 rubber rods, 8 anti-skidding rings, 9 support rods and 10 mounting holes.

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. 1-2, the present invention provides a technical solution: a circuit breaker with a double-break contact structure arranged in parallel comprises an insulating mounting plate 1 and an opening and closing mechanism 7;

insulating mounting panel 1: four corners of the upper surface of the insulating mounting plate 1 are symmetrically provided with mounting holes 10, four corners of the upper surface of the insulating mounting plate 1 are symmetrically provided with insulating support plates 4, the top end of the whole composed of two insulating support plates 4 positioned in the same longitudinal direction is provided with an insulating plate 2, the two insulating support plates 4 positioned in the same longitudinal direction are connected through reinforcing plates 3 uniformly and vertically distributed, the upper surface of the insulating plate 2 is provided with conducting bolts 5 symmetrically distributed front and back, the top ends of the conducting bolts 5 are connected with rubber nuts 6 through threads, the insulating mounting plate 1 is fixedly mounted in a proper horizontal or vertical working area through the mounting holes 10 by using external bolts, a connector lug of an external electric wire is wound on the outer arc surface of any conducting bolt 5 on the left side, the connector lug of the external electric wire is fixed by using the corresponding rubber nut 6, and then the connector lug of the other end of the external electric circuit is wound on the outer arc surface of the conducting bolt 5 positioned in the same transverse direction on the same circuit, the other end of the connector lug of the external electric wire is fixed by using the corresponding rubber nut 6 again, meanwhile, the electric wires of two lines can be connected, the electric wires at two ends of the same line are ensured to be fixed to the outer arc surface of the conductive bolt 5 in the same transverse direction, and the insulating support plate 4 and the reinforcing plate 3 play roles in positioning and supporting;

opening and closing mechanism 7: the opening and closing mechanism 7 comprises a T-shaped groove 71, an insulating support plate 72 and a T-shaped rod 73, the insulating support plate 72 is symmetrically arranged on the upper surface of the insulating plate 2 in front and back direction, the vertical T-shaped groove 71 is arranged on the inner side surface of the insulating support plate 72 close to the transverse center of the insulating plate 2, the T-shaped rod 73 is connected inside the T-shaped groove 71 in a sliding manner, the opening and closing mechanism 7 further comprises a conductive frame ring 74, a conductive rod 75 and an insulating sliding plate 76, the conductive frame ring 74 is respectively arranged at the inner end of the T-shaped rod 73 close to the transverse center of the insulating plate 2, the conductive rods 75 are connected inside two conductive frame rings 74 in the same transverse direction in a sliding manner, the right end of each conductive rod 75 is fixedly connected with the left side surface of the insulating sliding plate 76, the opening and closing mechanism 7 further comprises a guide plate 77, a strip-shaped opening 78 and a rubber rod 79, the guide plate 77 is arranged on the upper surface of the insulating plate 2 on the right side, a positioning chute is arranged on the left side surface of the guide plate 77 and is connected with the insulating sliding plate 76 in a sliding manner, a strip-shaped opening 78 is arranged on the inner wall of the right side of the positioning chute, a rubber rod 79 is arranged on the right side surface of the insulating sliding plate 76, the rubber rod 79 is connected with the strip-shaped opening 78 in a sliding manner, the rubber rod 79 is held by hand to enable the rubber rod 79 to slide upwards in the strip-shaped opening 78, the insulating sliding plate 76 is driven to slide upwards in the positioning chute on the left side surface of the guide plate 77, the conductive rod 75 is driven to slide with the conductive frame ring 74 in the same transverse direction, the T-shaped rod 73 is driven to simultaneously slide upwards in the corresponding T-shaped groove 71 under the height rise of the conductive rod 75, the conductive frame ring 74 is driven to be away from the corresponding conductive bolt 5 until a threaded hole in the middle of the rubber rod 79 corresponds to a through hole in the middle of a positioning block at the upper end of the right side surface of the guide plate 77, an external positioning bolt is utilized to connect a threaded hole in the middle of the rubber rod 79 and a through hole in the middle of the positioning block at the upper end of the right side surface of the guide plate 77 in a threaded manner, the position of the rubber rod 79 is fixed, so that the personnel can conveniently carry out wiring work, and the insulating support plate 72 plays a role of fixing and supporting.

Wherein: be equipped with evenly distributed's antiskid circle 8 on the body of rod of rubber pole 79, the upper surface right side of insulating mounting panel 1 is equipped with the bracing piece 9 of front and back symmetric distribution, the top of bracing piece 9 all with the right flank fixed connection of deflector 77, antiskid circle 8 is convenient for personnel to control the position of rubber pole 79, the reliable stability of bracing piece 9 reinforcing means.

When in use: the insulating mounting plate 1 is fixedly mounted in a proper horizontal or vertical working area through the mounting hole 10 by using an external bolt, when circuit wiring work needs to be carried out, the rubber rod 79 is held by a hand, the rubber rod 79 slides upwards in the strip-shaped opening 78, the anti-slip ring 8 is convenient for personnel to control the position of the rubber rod 79, the insulating sliding plate 76 is driven to slide upwards in the positioning sliding chute on the left side surface of the guide plate 77, the conductive rod 75 is further driven to slide with the conductive frame ring 74 positioned in the same transverse direction, the T-shaped rod 73 is driven to simultaneously slide upwards in the corresponding T-shaped groove 71 under the condition that the height of the conductive rod 75 is increased, the conductive frame ring 74 is driven to be far away from the corresponding conductive bolt 5 until a threaded hole in the middle of the rubber rod 79 corresponds to a through hole in the middle of a positioning block on the right side surface of the guide plate 77, and the threaded hole in the middle of the rubber rod 79 is in threaded connection with the through hole in the middle of the positioning block on the upper end of the right side surface of the guide plate 77 by using the external positioning bolt, fixing the position of the rubber rod 79, facilitating the wiring work of personnel and realizing the circuit breaking work, winding the connector lug of an external electric wire to the outer arc surface of any one of the left conductive bolts 5, fixing the connector lug of the external electric wire by using the corresponding rubber nut 6, then winding the connector lug of the other end of the external circuit and the outer arc surface of the conductive bolt 5 positioned on the same horizontal direction on the same circuit, fixing the connector lug of the other end of the external electric wire by using the corresponding rubber nut 6 again, simultaneously performing the wiring work on the electric wires of two lines, ensuring that the electric wires at two ends of the same line are both fixed to the outer arc surface of the conductive bolt 5 positioned on the same horizontal direction, and canceling the threaded connection between the external positioning bolt and the threaded hole in the middle of the rubber rod 79 and the through hole in the middle of the positioning block at the upper end of the right side surface of the guide plate 77 when the circuit needs to be communicated, the rubber rod 79 is held by hand, the rubber rod 79 slides downwards in the strip-shaped opening 78 to drive the conductive rod 75 to move downwards, further the T-shaped rod 73 is driven to simultaneously slide downwards in the corresponding T-shaped groove 71, the conductive frame ring 74 is driven to be continuously close to the corresponding conductive bolt 5 until a threaded hole in the middle of the rubber rod 79 corresponds to a through hole in the middle of a positioning block at the lower end of the right side surface of the guide plate 77, the bottom end of the conductive frame ring 74 is contacted with the upper end of the corresponding conductive bolt 5 at the moment, the current is communicated with a circuit through the conductive frame ring 74 and the corresponding conductive rod 75 in the same transverse direction, and an external positioning bolt is in threaded connection with a threaded hole in the middle of the rubber rod 79 and the through hole in the middle of the positioning block at the lower end of the right side surface of the guide plate 77, so as to ensure the stability of circuit communication, the reliable stability of the device is enhanced by the support rod 9 and the reinforcing plate 3, and the safety of personnel during the circuit opening and closing process is ensured, the operation of personnel is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circuit breaker of two breakpoint contact structures with parallel arrangement which characterized in that: comprises an insulating mounting plate (1) and an opening and closing mechanism (7);

insulating mounting plate (1): mounting holes (10) are symmetrically formed in four corners of the upper surface of the insulating mounting plate (1), insulating support plates (4) are symmetrically arranged in four corners of the upper surface of the insulating mounting plate, an insulating plate (2) is arranged at the top end of the whole formed by two insulating support plates (4) which are positioned in the same longitudinal direction, the two insulating support plates (4) which are positioned in the same longitudinal direction are connected through reinforcing plates (3) which are uniformly and vertically distributed, conductive bolts (5) which are symmetrically distributed in the front and back are arranged on the upper surface of each insulating plate (2), and rubber nuts (6) are connected to the top ends of the conductive bolts (5) in a threaded mode;

opening and closing mechanism (7): are all arranged on the upper surface of the insulating plate (2).

2. The circuit breaker of claim 1, wherein: the opening and closing mechanism (7) comprises a T-shaped groove (71), an insulating support plate (72) and a T-shaped rod (73), the insulating support plate (72) is symmetrically arranged on the upper surface of the insulating plate (2) front and back, the vertical T-shaped groove (71) is formed in the inner side face, close to the transverse center of the insulating plate (2), of the insulating support plate (72), and the T-shaped rod (73) is connected to the inside of the T-shaped groove (71) in a sliding mode.

3. The circuit breaker of claim 2 with a parallel arrangement of dual-break contact structures, wherein: the opening and closing mechanism (7) further comprises conductive frame rings (74), conductive rods (75) and an insulating sliding plate (76), wherein the conductive frame rings (74) are respectively arranged at the inner ends, close to the transverse center of the insulating plate (2), of the T-shaped rods (73), the conductive rods (75) are respectively connected inside the two conductive frame rings (74) in the same transverse direction in a sliding mode, and the right end heads of the two conductive rods (75) are fixedly connected with the left side face of the insulating sliding plate (76).

4. A circuit breaker with parallel arrangement of double-break contacts structure according to claim 3, characterized in that: mechanism (7) still includes deflector (77), bar mouth (78) and rubber pole (79), deflector (77) set up in the upper surface of insulation board (2) on right side, and the left surface of deflector (77) is equipped with the location spout, location spout and insulation sliding plate (76) sliding connection, and the right side inner wall of location spout is equipped with bar mouth (78), and the right flank of insulation sliding plate (76) is equipped with rubber pole (79), rubber pole (79) and bar mouth (78) sliding connection.

5. The circuit breaker of claim 4, wherein: the anti-skidding ring (8) which is uniformly distributed is arranged on the rod body of the rubber rod (79), the supporting rods (9) which are symmetrically distributed front and back are arranged on the right side of the upper surface of the insulating mounting plate (1), and the top ends of the supporting rods (9) are fixedly connected with the right side surface of the guide plate (77).