CN210325666U

CN210325666U - Prevent mistake combined floodgate device suitable for circuit breaker

Info

Publication number: CN210325666U
Application number: CN201921849374.5U
Authority: CN
Inventors: 潘伟杰
Original assignee: Shanghai Fanatong Electron Co ltd
Current assignee: Shanghai Fanatong Electron Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-04-14
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a device for preventing false switching-on of a breaker, which comprises a breaker body, the breaker body is movably connected with a hand brake, a connecting frame is arranged below the hand brake, a baffle plate is arranged above the connecting frame, the bottom of the baffle is connected with two screw rods, the bottom ends of the screw rods are in threaded connection with the sleeve, a through hole is arranged at the position of the connecting frame, which is close to the sleeve, the sleeve is positioned in the through hole and is movably connected with the through hole through a bearing, a limiting mechanism is arranged between the sleeve and the screw rod, the bottom end of one sleeve is provided with a double-shaft motor, the bottom end of the other sleeve is fixedly connected with a movable shaft, the output end of the double-shaft motor is connected with a first rotating shaft and a second rotating shaft respectively, the first rotating shaft is fixedly connected with the inner wall of the sleeve, and the second rotating shaft is connected with the movable shaft through a transmission mechanism. Has the advantages that: the switching-on operation of the circuit breaker caused by various conditions can be avoided.

Description

Prevent mistake combined floodgate device suitable for circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field particularly, relates to a prevent mistake combined floodgate device suitable for circuit breaker.

Background

The breaker is a switching device which can close, bear and break the current under the condition of a normal loop and close and bear and break the current under the condition of an abnormal loop within a specified time, can be used for distributing electric energy, does not frequently start an asynchronous motor, protects a power supply circuit, a motor and the like, can automatically cut off the circuit when serious overload or short circuit, undervoltage and other faults occur, and has the function equivalent to the combination of a fuse type switch, an over-underheating relay and the like.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent mistake closing device suitable for circuit breaker to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-misoperation closing device suitable for a circuit breaker comprises a circuit breaker body, wherein a hand brake is movably connected to the circuit breaker body, a connecting frame is arranged below the hand brake, the connecting frame is connected with the circuit breaker body through a connecting mechanism, a baffle is arranged above the connecting frame, two screw rods are connected to the bottom of the baffle, the bottom ends of the screw rods are positioned in a sleeve and are in threaded connection with the sleeve, a through hole is formed in the position, close to the sleeve, of the connecting frame, the sleeve is positioned in the through hole and is movably connected with the through hole through a bearing, a limiting mechanism is arranged between the sleeve and the screw rods, a double-shaft motor is arranged at the bottom end of one sleeve, a movable shaft is fixedly connected to the bottom end of the other sleeve, the output end of the double-shaft motor is respectively connected with a first rotating shaft and a second rotating shaft, and the first rotating, the second rotating shaft is connected with the movable shaft through a transmission mechanism.

Further, drive mechanism includes the action wheel, follows driving wheel and belt, the fixed surface of pivot two is connected with the action wheel, the fixed surface of loose axle is connected with from the driving wheel, the action wheel with connect through the belt between the follow driving wheel.

Further, stop gear includes spacing chamber, slider, connecting rod, baffle and spacing collar, the centre of a circle department of screw rod opens there is spacing chamber, the inside in spacing chamber is equipped with the slider, the bottom and the connecting rod fixed connection of slider, the connecting rod is kept away from the one end of slider is located the outside in spacing chamber and is connected with the baffle, the baffle with telescopic inner wall fixed connection, the bottom fixedly connected with spacing collar in spacing chamber.

Furthermore, the connecting mechanism comprises a bolt and a screw hole, the screw hole is formed in each of two ends of the connecting frame, and the bolt is connected in the screw hole in an internal thread mode.

Further, the top and the bottom of circuit breaker body all are connected with the mounting panel, it has the mounting hole to open on the mounting panel.

Furthermore, the bottom end of the connecting frame is fixedly connected with a protective box, and the second rotating shaft and the movable shaft are both located inside the protective box.

Furthermore, the bottom end of the protective box is hinged with a box plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the device is used for preventing the mistake combined floodgate of circuit breaker, when external environment vibrations are severe and be in the special case and need keep the circular telegram, can avoid the circuit breaker because of the combined floodgate operation that multiple condition caused, make the circuit breaker satisfy actual demand.

(2) The transmission mechanism can enable the second rotating shaft and the movable shaft to synchronously rotate, the limiting mechanism can avoid the screw from being separated from the sleeve, and the connecting mechanism can enable the connecting frame to be fixedly connected with the circuit breaker body.

(3) The mounting holes in the mounting plate can be penetrated through screws, so that the circuit breaker body is fixedly connected with corresponding connectors, the protective box plays a role in protecting the double-shaft motor and the transmission mechanism, the protective box can be opened through the box plate, and the condition inside the protective box can be observed conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an anti-false switching device suitable for a circuit breaker according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a connection device in an anti-false-closing device for a circuit breaker according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a structure on a connecting frame in an anti-false switching-on device suitable for a circuit breaker according to the embodiment of the present invention.

Reference numerals:

1. a circuit breaker body; 2. a hand brake; 3. a connecting frame; 4. a baffle plate; 5. a screw; 6. a sleeve; 7. a through hole; 8. a bearing; 9. a double-shaft motor; 10. a movable shaft; 11. a first rotating shaft; 12. a second rotating shaft; 13. a driving wheel; 14. a driven wheel; 15. a belt; 16. a limiting cavity; 17. a slider; 18. a connecting rod; 19. a partition plate; 20. a limiting ring; 21. a bolt; 22. a screw hole; 23. mounting a plate; 24. mounting holes; 25. a protective box.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-3, an apparatus for preventing false switching on of a circuit breaker according to an embodiment of the present invention includes a circuit breaker body 1, the top and the bottom of the breaker body 1 are both connected with a mounting plate 23, the mounting plate 23 is provided with a mounting hole 24, and a screw can pass through the mounting hole 24 on the mounting plate 23 to connect and fix the breaker body 1 with a corresponding connector, a hand brake 2 is movably connected on the breaker body 1, a connecting frame 3 is arranged below the hand brake 2, the connecting frame 3 is connected with the circuit breaker body 1 through a connecting mechanism, the connecting mechanism comprises a bolt 21 and a screw hole 22, screw holes 22 are formed in two ends of the connecting frame 3, bolts 21 are connected to the screw holes 22 in an internal thread mode, and it should be noted that corresponding grooves are formed in the circuit breaker body 1 and enable the bolts 21 to penetrate through;

a baffle 4 is arranged above the connecting frame 3, the bottom of the baffle 4 is connected with two screw rods 5, the bottom ends of the screw rods 5 are positioned in a sleeve 6 and are in threaded connection with the sleeve 6, a through hole 7 is formed in the connecting frame 3 close to the sleeve 6, the sleeve 6 is positioned in the through hole 7 and is movably connected with the through hole 7 through a bearing 8, and a limiting mechanism is arranged between the sleeve 6 and the screw rods 5;

for the limiting mechanism, the limiting mechanism comprises a limiting cavity 16, a sliding block 17, a connecting rod 18, a partition plate 19 and a limiting ring 20, the limiting cavity 16 is formed in the center of the screw 5, the sliding block 17 is arranged inside the limiting cavity 16, the limiting cavity 16 is matched with the sliding block 17, the bottom end of the sliding block 17 is fixedly connected with the connecting rod 18, one end, far away from the sliding block 17, of the connecting rod 18 is located on the outer side of the limiting cavity 16 and is connected with the partition plate 19, the partition plate 19 is fixedly connected with the inner wall of the sleeve 6, the bottom end of the limiting cavity 16 is fixedly connected with the limiting ring 20, and the limiting ring 20 is used for limiting the sliding block 17 and preventing the sliding block 17 from being separated from the limiting;

the bottom end of one of the sleeves 6 is provided with a double-shaft motor 9, the bottom end of the other sleeve 6 is fixedly connected with a movable shaft 10, one end of the movable shaft 10 is connected with the sleeve 6, the other end of the movable shaft 10 is positioned outside the sleeve 6, the output end of the double-shaft motor 9 is respectively connected with a first rotating shaft 11 and a second rotating shaft 12, the first rotating shaft 11 is fixedly connected with the inner wall of the sleeve 6, and the second rotating shaft 12 is connected with the movable shaft 10 through a transmission mechanism;

for the transmission mechanism, the transmission mechanism includes a driving wheel 13, a driven wheel 14 and a belt 15, the driving wheel 13 is fixedly connected to the outer surface of the second rotating shaft 12, the driven wheel 14 is fixedly connected to the outer surface of the movable shaft 10, and the driving wheel 13 and the driven wheel 14 are connected through the belt 15;

the bottom fixedly connected with protective housing 25 of link 3, pivot two 12 with loose axle 10 all is located protective housing 25's inside, protective housing 25 play the effect of protection double-shaft motor 9 and drive mechanism, protective housing 25's bottom hinged joint has the boxboard, can open protective housing 25 through the boxboard, is convenient for observe the inside condition of protective housing 25.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the connecting frame 3 is sleeved on the outer surface of the circuit breaker body 1, the connecting frame 3 is positioned below the hand brake 2, corresponding grooves are formed in two sides of the circuit breaker body 1 to enable the bolts 21 to penetrate through, the circuit breaker body 1 and the connecting frame 3 are connected and fixed through the bolts 21, the baffle 4 is in contact with the connecting frame 3 at first, when the circuit breaker body 1 is in a vibration environment and needs to be continuously electrified, the double-shaft motor 9 is started, it needs to be noted that the double-shaft motor 9 is connected with a corresponding controller, the double-shaft motor 9 drives the first rotating shaft 11 and the second rotating shaft 12 to rotate, the second rotating shaft 12 drives the driving wheel 13 to rotate, the driving wheel 13 drives the driven wheel 14 to rotate through the belt 15, the movable shaft 10 rotates along with the driven wheel 14, the first rotating shaft 11 and the movable shaft 10 rotate to enable the sleeve 6 to rotate, the screw 5 in the sleeve 6 moves upwards to drive, baffle 4 blocks the unable downward rotation of order hand brake 2 and carries out the operation of closing a floodgate, baffle 19 in the sleeve 6 passes through connecting rod 18 and is connected with slider 17, because of stopping of spacing collar 20, slider 17 can't break away from in the spacing chamber 16, thereby the scope of screw rod 5 rebound has been restricted, screw rod 5 has also been avoided breaking away from sleeve 6, the device is used for preventing of circuit breaker from closing a floodgate, when external environment vibrations are severe and be in the special case and need keep the circular telegram, can avoid the circuit breaker because of the combined floodgate operation that the multiple condition caused, make the circuit breaker satisfy actual demand.

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 anti-misoperation closing device suitable for the circuit breaker is characterized by comprising a circuit breaker body (1), wherein a hand brake (2) is movably connected onto the circuit breaker body (1), a connecting frame (3) is arranged below the hand brake (2), the connecting frame (3) is connected with the circuit breaker body (1) through a connecting mechanism, a baffle (4) is arranged above the connecting frame (3), the bottom of the baffle (4) is connected with two screw rods (5), the bottom end of each screw rod (5) is positioned in a sleeve (6) and is in threaded connection with the sleeve (6), the connecting frame (3) is close to the sleeve (6) and is provided with a through hole (7), the sleeve (6) is positioned in the through hole (7) and is movably connected with the through hole (7) through a bearing (8), and a limiting mechanism is arranged between the sleeve (6) and the screw rods (5), one of them the bottom of sleeve (6) is equipped with double-shaft motor (9), another the bottom fixedly connected with loose axle (10) of sleeve (6), the output of double-shaft motor (9) is connected with pivot one (11) and pivot two (12) respectively, pivot one (11) with sleeve (6) inner wall fixed connection, pivot two (12) with connect through drive mechanism between loose axle (10).

2. The device for preventing false switching-on of the circuit breaker according to claim 1, wherein the transmission mechanism comprises a driving wheel (13), a driven wheel (14) and a belt (15), the driving wheel (13) is fixedly connected to the outer surface of the second rotating shaft (12), the driven wheel (14) is fixedly connected to the outer surface of the movable shaft (10), and the driving wheel (13) and the driven wheel (14) are connected through the belt (15).

3. The device of claim 1, wherein the limiting mechanism comprises a limiting cavity (16), a slider (17), a connecting rod (18), a partition plate (19) and a limiting ring (20), the limiting cavity (16) is formed in the center of the screw (5), the slider (17) is arranged inside the limiting cavity (16), the bottom end of the slider (17) is fixedly connected with the connecting rod (18), one end, far away from the slider (17), of the connecting rod (18) is located on the outer side of the limiting cavity (16) and connected with the partition plate (19), the partition plate (19) is fixedly connected with the inner wall of the sleeve (6), and the limiting ring (20) is fixedly connected with the bottom end of the limiting cavity (16).

4. The device for preventing false switching-on of a circuit breaker according to claim 1, wherein the connecting mechanism comprises a bolt (21) and a screw hole (22), the screw hole (22) is formed in each of two ends of the connecting frame (3), and the bolt (21) is connected to the screw hole (22) in a threaded manner.

5. The device for preventing false switching-on of the circuit breaker according to claim 1, wherein the top and the bottom of the circuit breaker body (1) are both connected with a mounting plate (23), and the mounting plate (23) is provided with a mounting hole (24).

6. The device for preventing false switching-on of the circuit breaker according to claim 1, wherein a protective box (25) is fixedly connected to the bottom end of the connecting frame (3), and the second rotating shaft (12) and the movable shaft (10) are both located inside the protective box (25).

7. The device for preventing false switching-on of a circuit breaker as claimed in claim 6, wherein the bottom end of the protection box (25) is hinged with a box plate.