CN215988498U

CN215988498U - Mechanical and electrical interlocking device of circuit breaker

Info

Publication number: CN215988498U
Application number: CN202122701925.7U
Authority: CN
Inventors: 齐元武
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-06
Filing date: 2021-11-06
Publication date: 2022-03-08
Anticipated expiration: 2031-11-06

Abstract

The utility model discloses a mechanical and electrical interlocking device of a circuit breaker, which relates to the technical field of interlocking devices and comprises a fixed plate arranged in an L shape, wherein the middle part of one side of a vertical section of the fixed plate is fixedly connected with a microswitch, two ends of the upper surface of a horizontal section of the fixed plate are fixedly connected with first mounting plates, a movable rod is arranged between the two first mounting plates, and one end part of the movable rod is fixedly connected with a first movable plate. The plurality of bumps attached to the contact of the microswitch greatly reduce the contact area between the push plate and the contact of the microswitch, so that the damage to the microswitch when the device is used is reduced, the service life of the device is prolonged, the rotating plate rotates through the damping rotating shaft, the friction force applied to the rotating plate when the rotating plate rotates is increased, the rotating plate cannot rotate freely, and the influence of mistaken touch on the device is reduced while the working personnel control the closing.

Description

Mechanical and electrical interlocking device of circuit breaker

Technical Field

The utility model relates to the technical field of interlocking devices, in particular to a mechanical and electrical interlocking device of a circuit breaker.

Background

The safety interlocking device is an automatic device for safety purposes, the interlocking device enables two actions to have a mutual restriction relationship through a mechanical or electrical mechanism, and the interlocking device is widely adopted in the production process in order to ensure normal work, realize automatic control and prevent accidents;

the traditional mechanical and electrical interlocking device of the circuit breaker controls the closing through the contact of the connecting rod and the microswitch, however, the contact surface of the connecting rod and the microswitch is easy to generate friction to cause damage, the service life of the device is shortened, meanwhile, the mistaken touch is easy to generate, the accuracy of the interlocking device is influenced, so that the closing coil cannot be effectively protected, and the normal use of the circuit breaker is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical and electrical interlocking device of a circuit breaker, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a mechanical and electrical interlocking device of a circuit breaker comprises a fixed plate which is arranged in an L shape, wherein a microswitch is fixedly connected to the middle part of one side of a vertical section of the fixed plate, first mounting plates are fixedly connected to both ends of the upper surface of a horizontal section of the fixed plate, a movable rod is arranged between the two first mounting plates, a first movable plate is fixedly connected to the end part of one end of the movable rod, the end part of the other end of the movable rod extends to the outer side of the first mounting plates and is fixedly connected with a push plate, a groove is formed in the middle part of one side surface of the push plate, which is far away from the movable rod, the cross section of the groove is arranged in an arc shape, a plurality of convex blocks which are distributed in an annular array are fixedly connected to the groove wall of the groove, the convex blocks are arranged in a hemispherical shape, the plurality of convex blocks are attached to a contact of the microswitch, a second mounting plate is fixedly connected to one side of the upper surface of the first mounting plate, two first mounting plates are arranged close to each other, and the rotating plate is movably connected with the axle center of the surface of one side, close to the second mounting plate, of the rotating plate through a damping rotating shaft.

Preferably, two round rods are arranged between the rotating plates, two ends of each round rod are fixedly connected with the two rotating plates respectively, and the two round rods are located at two ends of one side of each rotating plate respectively.

Preferably, the inside of first fly leaf is run through and is provided with the spout with round bar looks adaptation, and the round bar that is located commentaries on classics board one side bottom runs through and sets up inside the spout, two be provided with the second fly leaf between the second mounting panel.

Preferably, the inside of second fly leaf is run through and is provided with the spout with round bar looks adaptation, and the round bar that is located commentaries on classics board one side top runs through and sets up inside the spout, the top middle part fixedly connected with control lever of second fly leaf.

Preferably, the equal first gag lever post of fixedly connected with in the middle part of the both ends of movable rod, two a side surface that first mounting panel is close to each other all sets up the first gag lever post groove with first gag lever post looks adaptation, and the tip of first gag lever post is located first gag lever post inslot portion.

Preferably, the equal fixedly connected with second gag lever post in the middle part of the both ends of control lever, two the second gag lever post groove with second gag lever post looks adaptation is all seted up to the side table that the second mounting panel is close to each other, and the tip of second gag lever post is located second gag lever post inslot portion.

The utility model has the technical effects and advantages that:

1. according to the utility model, the groove with the arc-shaped cross section is formed on the surface of one side of the push plate, and the groove wall of the groove is fixedly connected with the plurality of bumps which are attached to the contact of the microswitch, so that the contact area between the push plate and the microswitch contact is greatly reduced, the damage to the microswitch when the device is used is reduced, and the service life of the device is prolonged;

2. according to the utility model, the vertical movement of the control rod drives the rotating plate to rotate, so that the first movable plate and the movable rod horizontally move between the two first mounting plates, and thus a plurality of bumps are contacted with the contact of the microswitch, the switch-on control is realized.

Drawings

Fig. 1 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

Fig. 3 is a schematic top-down view of the overall structure of the present invention.

Fig. 4 is a perspective view of the overall structure of the present invention.

Fig. 5 is a perspective view of the rotating plate structure of the present invention.

In the figure: 1. a fixing plate; 2. a microswitch; 3. a first mounting plate; 31. a second mounting plate; 4. a movable rod; 5. a first movable plate; 6. rotating the plate; 61. a damping rotating shaft; 7. a round bar; 8. a chute; 9. a second movable plate; 10. a chute; 11. a control lever; 12. pushing the plate; 121. a groove; 13. a bump; 14. a first limit rod; 15. a first stop lever slot; 16. a second limiting rod; 17. a second stop lever groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a mechanical and electrical interlocking device of a circuit breaker as shown in figures 1-5, which comprises a fixed plate 1 which is arranged in an L shape, wherein a microswitch 2 is fixedly connected to the middle part of one side of the vertical section of the fixed plate 1, when a push plate 12 is close to the microswitch 2, a contact of the microswitch 2 is extruded by a plurality of bumps 13, so that the microswitch 2 is communicated, a closing coil is electrified, when the push plate 12 is far away from the microswitch 2, the contact of the microswitch 2 is separated from the bumps 13, so as to cut off a circuit of the closing coil, first mounting plates 3 are fixedly connected to both ends of the upper surface of the horizontal section of the fixed plate 1, a movable rod 4 is arranged between the two first mounting plates 3, a first movable plate 5 is fixedly connected to one end part of the movable rod 4, the first movable plate 5 and the movable rod 4 can horizontally move between the two first mounting plates 3, the other end part of the movable rod 4 extends to the outer side of the first mounting plates 3 and is fixedly connected with the push plate 12, one side surface middle part that movable rod 4 was kept away from to push pedal 12 is seted up flutedly 121, and the cross-section of recess 121 sets up to the arc, the cell wall fixedly connected with of recess 121 is a plurality of lugs 13 that are the annular array and distribute, and lug 13 sets up to the hemisphere, the contact laminating of a plurality of lugs 13 and micro-gap switch 2, the area of contact between push pedal 12 and the micro-gap switch 2 contact has greatly been reduced, thereby reduce the damage that this device caused to micro-gap switch 2 when using, the life of this device has been improved.

Specifically, upper surface one side fixedly connected with second mounting panel 31 of first mounting panel 3, one side that two first mounting panels 3 are close to each other all is provided with changes board 6, and change board 6 and be close to a side surface axle center department of second mounting panel 31 through damping pivot 61 rather than swing joint, the frictional force that receives when having increased change board 6 and rotating, make and change 6 unable free rotations of board, the staff of being convenient for has reduced the mistake when carrying out control to the combined floodgate and has touched the influence to this device, the precision of this device has been improved.

Secondly, two round rods 7 are arranged between the two rotating plates 6, two ends of each round rod 7 are respectively fixedly connected with the two rotating plates 6, the two round rods 7 are respectively positioned at two ends of one side of each rotating plate 6, a sliding groove 8 matched with the round rods 7 is arranged in the first movable plate 5 in a penetrating way, and the round bar 7 at the bottom end of one side of the rotating plate 6 is arranged in the sliding chute 8 in a penetrating way, a second movable plate 9 is arranged between the two second mounting plates 31, the sliding chute 10 matched with the round bar 7 is arranged in the second movable plate 9 in a penetrating way, and the round rod 7 at the top end of one side of the rotating plate 6 is arranged in the sliding groove 10 in a penetrating way, when the control rod 11 and the second movable plate 9 move downwards, the round rod 7 arranged at the top end of the rotating plate 6 slides in the sliding groove 10, and then the rotating plate 6 is driven to rotate, so that the round rod 7 arranged at the bottom end of the rotating plate 6 slides in the sliding groove 8, and the first movable plate 5 and the movable rod 4 are driven to horizontally move between the two first mounting plates 3.

Secondly, a control rod 11 is fixedly connected to the middle portion of the top end of the second movable plate 9, the control rod 11 can vertically move between the two second mounting plates 31, the middle portions of the two ends of the movable rod 4 are fixedly connected with first limiting rods 14, the surfaces of the two first mounting plates 3, which are close to each other, are provided with first limiting rod grooves 15 matched with the first limiting rods 14, the end part of the first limiting rod 14 is positioned in the first limiting rod groove 15, the first limiting rod 14 and the first limiting rod groove 15 are matched to guide and limit the horizontal movement of the movable rod 4, the middle parts of the two ends of the control rod 11 are fixedly connected with second limiting rods 16, the side surfaces of the two second mounting plates 31 which are close to each other are respectively provided with a second limiting rod groove 17 matched with the second limiting rods 16, and the end of the second limit rod 16 is located inside the second limit rod groove 17, and the second limit rod 16 and the second limit rod groove 17 are matched to guide and limit the vertical movement of the control rod 11.

The working principle of the utility model is as follows:

when the device is used, the control rod 11 vertically moves to drive the rotating plate 6 to rotate, the rotating plate 6 drives the round rod 7 to slide in the sliding groove 8 when rotating, thereby pushing the first movable plate 5 and the movable rod 4 to move horizontally between the two first mounting plates 3, causing the convex block 13 to contact with the contact of the micro switch 2, communicating the micro switch 2, realizing the control of closing, the semi-spherical convex block 13 greatly reduces the contact area between the push plate 12 and the contact of the micro switch 2, thereby the wearing and tearing that cause when this device uses have improved the life of this device, and change board 6 and rotate through damping pivot 61, have increased the frictional force that receives when changeing board 6 and rotating, make changeing 6 unable free rotation of board, and the staff of being convenient for has reduced the mistake when controlling closing a floodgate and has touched the influence to this device, has improved the precision of this device to effectively protect closing a floodgate coil.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A mechanical and electrical interlocking device of a circuit breaker comprises a fixing plate (1) which is arranged in an L shape, and is characterized in that: the middle part of one side of the vertical section of the fixed plate (1) is fixedly connected with a microswitch (2), the two ends of the upper surface of the horizontal section of the fixed plate (1) are fixedly connected with first mounting plates (3), a movable rod (4) is arranged between the two first mounting plates (3), a first movable plate (5) is fixedly connected with one end part of the movable rod (4), the other end part of the movable rod (4) extends to the outer side of the first mounting plate (3) and is fixedly connected with a push plate (12), a groove (121) is formed in the middle part of one side surface of the push plate (12) far away from the movable rod (4), the cross section of the groove (121) is arc-shaped, a plurality of lugs (13) distributed in an annular array are fixedly connected with the groove wall of the groove (121), the lugs (13) are hemispherical, and the lugs (13) are attached to the contact of the microswitch (2), upper surface one side fixedly connected with second mounting panel (31) of first mounting panel (3), two one side that first mounting panel (3) are close to each other all is provided with commentaries on classics board (6), and changes board (6) and is close to a side surface axle center department of second mounting panel (31) through damping pivot (61) rather than swing joint.

2. A circuit breaker mechanical-electrical interlock as defined in claim 1, wherein: two be provided with two round bar (7) between commentaries on classics board (6), and the both ends of round bar (7) respectively with two commentaries on classics board (6) fixed connection, two round bar (7) are located the one side both ends of changeing board (6) respectively.

3. A circuit breaker mechanical-electrical interlock as defined in claim 2, wherein: the inside of first fly leaf (5) is run through and is provided with spout (8) with round bar (7) looks adaptation, and just is located round bar (7) of commentaries on classics board (6) one side bottom and runs through and set up inside spout (8), two be provided with second fly leaf (9) between second mounting panel (31).

4. A circuit breaker mechanical-electrical interlock as defined in claim 3, wherein: the inside of second fly leaf (9) is run through and is provided with spout (10) with round bar (7) looks adaptation, and is located round bar (7) on one side top of commentaries on classics board (6) and runs through and sets up inside spout (10), the top middle part fixedly connected with control lever (11) of second fly leaf (9).

5. A circuit breaker mechanical-electrical interlock arrangement as defined in claim 4, wherein: the equal fixedly connected with first gag lever post (14) in both ends middle part of movable rod (4), two a side surface that first mounting panel (3) are close to each other all sets up first gag lever post groove (15) with first gag lever post (14) looks adaptation, and the tip of first gag lever post (14) is located inside first gag lever post groove (15).

6. A circuit breaker mechanical-electrical interlock as defined in claim 5, wherein: the equal fixedly connected with second gag lever post (16) in both ends middle part of control lever (11), two a side table that second mounting panel (31) are close to each other all sets up second gag lever post groove (17) with second gag lever post (16) looks adaptation, and the tip of second gag lever post (16) is located inside second gag lever post groove (17).