CN213519803U - Long service life's frame circuit breaker - Google Patents

Abstract

The utility model discloses a long service life's frame circuit breaker, which comprises a base, the lower extreme of base is equipped with the spout that two symmetries set up, sliding connection has the slider in the spout, the upper end fixedly connected with bracing piece of slider, be equipped with frame circuit breaker body directly over the base, be equipped with the backup pad between frame circuit breaker body and the base, the upper end of bracing piece run through the base and with the lower extreme fixed connection of backup pad, be sliding connection between bracing piece and the base, the cover is equipped with the spring on the bracing piece, the both ends of spring respectively with the spout in the upper end lateral wall fixed connection of top lateral wall and slider, the connecting block that two symmetries of lower extreme fixedly connected with of frame circuit breaker body set up, the upper end of base is equipped with the spread groove corresponding with the connecting block. The utility model discloses a latch mechanism's setting carries out the dismouting to the frame circuit breaker fast, avoids smooth silk problem to appear, prolonged life to a certain extent.

Description

Long service life's frame circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a long service life's frame circuit breaker.

Background

The intelligent frame type circuit breaker is suitable for a power distribution network with alternating current of fifty hertz, rated voltage of three hundred eighty volts and six hundred sixty volts and rated current of two hundred amperes to six thousand three hundred amperes, and is mainly used for distributing electric energy and protecting the lines and the power supply equipment from the damage of faults of overload, undervoltage, short circuit, single-phase grounding and the like.

Traditional frame circuit breaker is installed through the mode of screw fixation mostly, and in the maintenance dismouting in-process, twist many times repeatedly and move the screw after, cause smooth silk phenomenon easily to lose fixed action, life is shorter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving in the maintenance and overhaul dismouting in-process, relapse after twisting the screw many times, cause smooth silk phenomenon easily to lose the fixed action, life is shorter, and the long service life's that provides frame circuit breaker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a frame circuit breaker with long service life comprises a base, wherein the lower end of the base is provided with two symmetrically-arranged sliding grooves, sliding blocks are connected in the sliding grooves in a sliding mode, the upper end of each sliding block is fixedly connected with a supporting rod, a frame circuit breaker body is arranged right above the base, a supporting plate is arranged between the frame circuit breaker body and the base, the upper end of each supporting rod penetrates through the base and is fixedly connected with the lower end of the corresponding supporting plate, the supporting rods are connected with the base in a sliding mode, springs are sleeved on the supporting rods, the two ends of each spring are fixedly connected with the side wall at the top end in the corresponding sliding groove and the side wall at the upper end of the corresponding sliding block respectively, the lower end of each frame circuit breaker body is fixedly connected with two symmetrically-arranged connecting blocks, the upper end of the base is provided with a connecting groove corresponding, the article placing groove is internally provided with a clamping block, the side wall of the connecting block is provided with a clamping groove corresponding to the clamping block, one end of the clamping block penetrates through the article placing groove and extends into the clamping groove, a rotating rod is fixedly inserted in the clamping block, the upper end of the rotating rod penetrates through the clamping block and is rotatably connected with the side wall of the top end in the article placing groove, the lower end of the rotating rod penetrates through the base, and the rotating rod is rotatably connected with the base.

Preferably, both sides of slider all are equipped with the recess, the recess internal rotation is connected with the ball, the ball offsets with the spout inside wall.

Preferably, the both sides of base all fixedly connected with fixed block, insert on the lateral wall of fixed block and be equipped with locking screw, be threaded connection between locking screw and the fixed block.

Preferably, the rotating rod is rotatably sleeved with two stabilizing rings, and the two stabilizing rings are respectively and fixedly connected with the opposite side walls in the object placing groove.

Preferably, the lower end of the rotating rod is fixedly connected with a rotating disc.

Preferably, the upper end of the supporting plate is fixedly connected with a rubber pad.

Has the advantages that:

1. when the connecting block is completely inserted, the rotating rod is rotated to drive the clamping block to rotate, one end of the clamping block is rotated into the clamping groove, so that the connecting block is prevented from being separated from the connecting groove, at the moment, the pressing of the frame circuit breaker body is stopped, the sliding block is pulled to move upwards through the restoring force of the spring, the sliding block drives the supporting plate through the supporting rod, and the lower end of the frame circuit breaker body is supported by the supporting plate, the overall stability is improved, the utility model can rapidly assemble and disassemble the frame circuit breaker through the arrangement of the clamping mechanism, thereby avoiding the problem of wire sliding and prolonging the service life to a certain extent;

2. through the setting of ball, can reduce the resistance when the slider removes, through the setting of fixed block and locking screw, can convenience of customers fix the base on the wall, through the setting of stabilizing ring, can improve the stability when the bull stick rotates, through the setting of carousel, can convenience of customers rotate the bull stick, through the setting of rubber pad, can improve the compactness between backup pad and the frame circuit breaker body.

Drawings

Fig. 1 is a schematic structural diagram of a long-life frame circuit breaker according to the present invention;

fig. 2 is a schematic view of a local top-down structure of a long-life fixture block of a frame circuit breaker according to the present invention;

fig. 3 is a schematic diagram of a structure at a position a of the frame circuit breaker with a long service life.

In the figure: 1-base, 2-rotating rod, 3-clamping block, 4-connecting block, 5-sliding block, 6-spring, 7-supporting rod, 8-supporting plate, 9-fixing block and 10-frame breaker body.

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.

Referring to fig. 1-3, a long-life frame circuit breaker includes a base 1, wherein both sides of the base 1 are fixedly connected with fixing blocks 9 for fixing the base 1 on a wall by matching with locking screws, the side walls of the fixing blocks 9 are inserted with the locking screws, and the locking screws are in threaded connection with the fixing blocks 9;

in the embodiment, the lower end of the base 1 is provided with two symmetrically arranged sliding grooves, the sliding grooves are connected with sliding blocks 5 in a sliding mode and used for driving the supporting rods 7 to move upwards, grooves are formed in two sides of each sliding block 5, balls are rotatably connected in the grooves and used for reducing resistance when the sliding blocks 5 move, the balls abut against the inner side walls of the sliding grooves, and the supporting rods 7 are fixedly connected to the upper ends of the sliding blocks 5 and used for driving the supporting plates 8 to move upwards;

in the embodiment, a frame breaker body 10 is arranged right above a base 1, a supporting plate 8 is arranged between the frame breaker body 10 and the base 1 and used for supporting the frame breaker body 10, a rubber pad is fixedly connected to the upper end of the supporting plate 8 and used for improving the tightness between the supporting plate 8 and the frame breaker body 10, the upper end of a supporting rod 7 penetrates through the base 1 and is fixedly connected with the lower end of the supporting plate 8, the supporting rod 7 is in sliding connection with the base 1, a spring 6 is sleeved on the supporting rod 7 and used for driving a sliding block 5 to move upwards, and two ends of the spring 6 are respectively fixedly connected with the side wall of the top end in a sliding chute and the side wall of;

in the embodiment, the lower end of the frame circuit breaker body 10 is fixedly connected with two symmetrically arranged connecting blocks 4 for preventing the frame circuit breaker body 10 from loosening, the upper end of the base 1 is provided with a connecting groove corresponding to the connecting blocks 4, the lower end of the connecting blocks 4 extends into the connecting groove, and the inner side wall of the connecting groove is provided with an object placing groove;

in the embodiment, a clamping block 3 is arranged in the storage groove and used for preventing the connecting block 4 from loosening, a clamping groove corresponding to the clamping block 3 is arranged on the side wall of the connecting block 4, one end of the clamping block 3 penetrates through the storage groove and extends into the clamping groove, a rotating rod 2 is fixedly inserted in the clamping block 3 and used for driving the clamping block 3 to rotate, the upper end of the rotating rod 2 penetrates through the clamping block 3 and is rotatably connected with the side wall of the top end in the storage groove, the lower end of the rotating rod 2 penetrates through the base 1, and the rotating rod 2 is rotatably connected with the base 1;

in this embodiment, the rotating rod 2 is rotatably sleeved with two stabilizing rings for improving the stability of the rotating rod 2 during rotation, the two stabilizing rings are respectively and fixedly connected with the opposite side walls in the object placing groove, and the lower end of the rotating rod 2 is fixedly connected with a rotating disc for facilitating a user to rotate the rotating rod 2;

in this embodiment, the base 1 is fixed on the wall, the frame breaker body 10 is moved to the position right above the base 1, the connecting block 4 is aligned with the connecting groove, the frame breaker body 10 is pressed downward, the lower end of the connecting block 4 is inserted into the connecting groove, the frame breaker body 10 abuts against the upper end of the supporting plate 8 during the downward movement process to drive the supporting plate 8 to move downward, the supporting rod 8 drives the slider 5 to move downward through the supporting rod 7, the slider 5 moves downward to stretch the spring 6, when the connecting block 4 is completely inserted, the rotating rod 2 is rotated to drive the fixture block 3 to rotate, one end of the fixture block 3 is rotated into the clamping groove to prevent the connecting block 4 from being separated from the connecting groove, at this time, the pressing of the frame breaker body 10 is stopped, the slider 5 is pulled to move upward through the restoring force of the spring 6, the slider 5 drives the supporting plate 8 through, play the supporting role to frame circuit breaker body 10 lower extreme through backup pad 8, improve overall stability, the utility model discloses a latch mechanism's setting carries out the dismouting to frame circuit breaker fast, avoids smooth silk problem to appear, prolonged life to a certain extent.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A long service life's frame circuit breaker, includes base (1), its characterized in that: the lower end of the base (1) is provided with two symmetrically arranged sliding grooves, a sliding block (5) is connected in the sliding grooves, the upper end of the sliding block (5) is fixedly connected with a supporting rod (7), a frame breaker body (10) is arranged right above the base (1), a supporting plate (8) is arranged between the frame breaker body (10) and the base (1), the upper end of the supporting rod (7) penetrates through the base (1) and is fixedly connected with the lower end of the supporting plate (8), the supporting rod (7) is in sliding connection with the base (1), a spring (6) is sleeved on the supporting rod (7), two ends of the spring (6) are respectively fixedly connected with the side wall at the top end in the sliding grooves and the side wall at the upper end of the sliding block (5), and two symmetrically arranged connecting blocks (4) are fixedly connected with the lower end of the frame breaker body (10, the upper end of base (1) is equipped with the spread groove corresponding with connecting block (4), the lower extreme of connecting block (4) extends to in the spread groove, be equipped with on the spread groove inside wall and put the thing groove, it is equipped with fixture block (3) in the thing groove to put, be equipped with the draw-in groove corresponding with fixture block (3) on the lateral wall of connecting block (4), the one end of fixture block (3) is run through and is put the thing groove and extend to the draw-in groove in, fixture block (3) internal fixation is inserted and is equipped with bull stick (2), the upper end of bull stick (2) is run through fixture block (3) and is connected with putting the rotation of thing inslot tip lateral wall, the lower extreme of bull stick (2) runs through base (1), be connected for rotating between bull stick (2.

2. A long-life frame circuit breaker as claimed in claim 1, wherein: the two sides of the sliding block (5) are provided with grooves, balls are rotationally connected in the grooves, and the balls are abutted to the inner side walls of the sliding grooves.

3. A long-life frame circuit breaker as claimed in claim 1, wherein: the base is characterized in that fixed blocks (9) are fixedly connected to two sides of the base (1), locking screws are inserted into the side walls of the fixed blocks (9), and the locking screws are in threaded connection with the fixed blocks (9).

4. A long-life frame circuit breaker as claimed in claim 1, wherein: two stabilizing rings are sleeved on the rotating rod (2) in a rotating mode and are fixedly connected with the opposite side walls in the object placing grooves respectively.

5. A long-life frame circuit breaker as claimed in claim 1, wherein: the lower end of the rotating rod (2) is fixedly connected with a rotating disc.

6. A long-life frame circuit breaker as claimed in claim 1, wherein: the upper end of the supporting plate (8) is fixedly connected with a rubber pad.

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