CN211654619U

CN211654619U - Interlocking mechanism of power distribution control equipment

Info

Publication number: CN211654619U
Application number: CN202020510791.3U
Authority: CN
Inventors: 易华南; 熊甜甜; 刘成洋
Original assignee: Shanghai Chengxing Electric Technology Co ltd
Current assignee: Shanghai Chengxing Electric Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-10-09
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a distribution control equipment's interlocking device, including the mechanism bottom plate, mechanism bottom plate one side sets up the baffle of activity, set up micro-gap switch and mechanism swing arm and spring bolt on the mechanism bottom plate, the mechanism swing arm includes first swing arm, second swing arm and third swing arm, first swing arm is connected with the spring bolt, the second swing arm corresponds with the micro-gap switch position, the third swing arm is connected with the baffle, the spring bolt tail end sets up reset spring, make spring bolt automatic re-setting, the spring bolt is compressed and is driven first swing arm swing, and then drive the second swing arm and touch micro-gap switch, the swing of third swing arm just drives the relative mechanism bottom plate of baffle and slides, loosen and is pressed the spring bolt, automatic re-setting under reset spring's promotion, and then drive first swing arm playback, the second swing arm leaves micro-gap switch, the third swing arm drives the baffle playback. The utility model discloses simple structure, reliable, the installation of being convenient for, no weldment, the dismouting of being convenient for, structural design is ingenious, and is small, makes the installation drawer have more installation space.

Description

Interlocking mechanism of power distribution control equipment

Technical Field

The utility model relates to a low-voltage cabinet accessory field, concretely relates to easy dismounting installs small distribution control equipment's interlocking device.

Background

The 'mechanical interlocking' of the low-voltage switch cabinet is an important measure for ensuring the safety of equipment and personnel and preventing misoperation, and national standards clearly stipulate that metal closed switch equipment should have the functions of preventing an isolating switch from being switched off and on with a load, and preventing a circuit breaker, a load switch and a contactor from being switched off and on by mistake; the switch such as a breaker, a load switch and the like is prevented from being closed when the grounding switch is in a closed position; the grounding switch is prevented from being switched on by mistake during the electrification; prevent the electrified compartment of mistake people etc.. The interlocking mechanism is mainly used for a drawer of an electric operation type switch, and the existing interlocking mechanism has a complex structure, so that the product has large volume, inconvenient installation, complex process and high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the interlocking mechanism of the power distribution control equipment, which has the advantages of compact structural design, reasonable design, simple assembly, convenience in installation and small occupied size, is developed by the department.

In order to solve the technical problem, the utility model provides an interlocking mechanism of distribution control equipment, which comprises a mechanism bottom plate, a movable baffle is arranged at one side of the mechanism bottom plate, a micro switch, a mechanism swing arm and a lock tongue are arranged on the mechanism bottom plate, the mechanism swing arm at least comprises a first swing arm, a second swing arm and a third swing arm, the first swing arm is connected with the lock tongue, the second swing arm corresponds to the micro switch, the third swing arm is connected with the baffle, a reset spring is arranged at the tail end of the lock tongue to automatically reset the compressed lock tongue, the lock tongue is compressed to drive the first swing arm to swing, thereby driving the second swing arm to touch the microswitch, the third swing arm swings and drives the baffle plate to slide relative to the mechanism bottom plate, the pressed lock tongue is released, the lock tongue automatically resets under the pushing of the reset spring, and then the first swing arm is driven to return, the second swing arm leaves the microswitch, and the third swing arm drives the baffle to return.

Further, the spring bolt passes through bolted connection with the mechanism swing arm.

Furthermore, a first bending plate is arranged on one side of the mechanism bottom plate, and the inner side of the first bending plate is abutted to a return spring.

Furthermore, one side of the mechanism bottom plate corresponding to the first bending plate is provided with a second bending plate, the baffle is provided with a transverse long hole, the baffle is attached to the second bending plate, the transverse long hole is connected with the second bending plate through a bolt, and the baffle moves along the transverse long hole relative to the second bending plate.

Furthermore, the end part of the second swing arm is provided with a bending touch panel, and when the lock tongue is pressed, the bending touch panel triggers the microswitch.

Furthermore, the center of the mechanism swing arm is fixed with the mechanism bottom plate through a bolt, and the mechanism swing arm rotates by taking the bolt as an axis.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses simple structure, reliable, the installation of being convenient for, no weldment, the dismouting of being convenient for, structural design is ingenious, makes small, and the circular telegram is reliable, low in manufacturing cost, and it is convenient to maintain, makes the installation drawer have more installation space.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 inventive effort.

Fig. 1 is a schematic structural diagram of an interlocking mechanism of a power distribution control device according to the present invention;

fig. 2 is a schematic structural view of the interlocking mechanism of the distribution control device of the present invention assembled with the drawer mechanism 7 of the present department;

the device comprises a base plate 1, a first bending plate 11, a second bending plate 12, a baffle 2, a transverse long hole 21, a microswitch 3, a mechanism swing arm 4, a first swing arm 41, a second swing arm 42, a bending contact plate 421, a third swing arm 43, a bolt 5, a reset spring 6, a drawer mechanism 7 and a drawer mechanism crank hole 71.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1, the interlocking mechanism of the power distribution control equipment comprises a mechanism bottom plate 1, a movable baffle 2 is arranged on one side of the mechanism bottom plate 1, a microswitch 3, a mechanism swing arm 4 and a bolt 5 are arranged on the mechanism bottom plate 1, and the bolt 5 is connected with the mechanism swing arm 4 through a bolt. The center of the mechanism swing arm 4 is fixed with the mechanism bottom plate 1 through a bolt, and the mechanism swing arm 4 rotates by taking the bolt as an axis. The mechanism swing arm 4 at least comprises a first swing arm 41, a second swing arm 42 and a third swing arm 43, the first swing arm 41 is connected with the bolt 5, the second swing arm 42 corresponds to the microswitch 3 in position, and the third swing arm 43 is connected with the baffle 2. The mechanism bottom plate 1 one side sets up first bending plate 11, and the inboard butt reset spring 6 of first bending plate 11, reset spring 6 is inserted to the tail end of spring bolt 5, unclamps to the spring bolt 5 press the back, makes the spring bolt 5 automatic re-setting of compressed. One side that mechanism bottom plate 1 and first bending plate 11 correspond sets up second bending plate 12, sets up horizontal slot hole 21 on the baffle 2, and baffle 2 sets up with the laminating of second bending plate 12, uses bolted connection horizontal slot hole 21 and second bending plate 12, and baffle 2 moves along horizontal slot hole 21 relative to second bending plate 12. Spring bolt 5 is compressed and is driven first swing arm 41 swing, and second swing arm 42 tip sets up the touch panel 421 of bending, when pressing spring bolt 5, the touch panel 421 of bending triggers micro-gap switch 3, and the swing of third swing arm 43 just drives 2 relative mechanism bottom plates 1 of baffle and slides, loosens the spring bolt 5 of being pressed, and spring bolt 5 automatic re-setting under reset spring 6's promotion, and then drives first swing arm 41 playback, and second swing arm 42 leaves micro-gap switch 3, and third swing arm 43 drives 2 playback of baffle, the utility model discloses simple structure, reliable, the installation of being convenient for, the weldment that does not have, the dismouting of being convenient for, structural design is ingenious, makes small, and the circular telegram is reliable, low in manufacturing cost, and it is convenient to maintain, makes the installation drawer have more installation space.

Fig. 2 is the utility model discloses a distribution control equipment's interlocking device uses the sketch with the drawer mechanism 7 assembly of this department, and the theory of operation is: according to the technical scheme, the lock tongue 5 is pressed down, the mechanism swing arm 4 rotates to drive the baffle 2 to move, the drawer mechanism crank hole 71 is blocked, meanwhile, the contact of the micro switch 3 is touched, the normally open and normally closed contact of the micro switch 3 is exchanged, a circuit breaker coil is powered on or powered off, the on and off of the circuit breaker switch are controlled, the product and the drawer mechanism 1 are matched to form an electric operation type mechanical interlocking mechanism, the main function is that the baffle 2 blocks the drawer mechanism crank hole 71, and the drawer mechanism 7 is prevented from being inserted into the crank to be rocked out. The following is a detailed description:

reset spring bolt 5, open baffle 2, insert the crank, auxiliary position micro-gap switch 3 loses the electricity this moment, and clockwise operation impels the drawer to experimental position or hookup location, dials out the crank, and micro-gap switch 3 has got the electricity. State position in operation the position-assisted microswitch 3 is in a de-energized state.

In the running state, the bolt 5 is reset by the reset spring 6, the mechanism operation hole is blocked, and when the bolt 5 is completely pressed, the auxiliary position micro switch 3 can be driven to act. And a padlock can be added at the button of the lock tongue 5, so that the lock tongue cannot be unlocked, and the installation and operation are ensured.

It should be noted that the above description of the embodiments is only for the purpose of facilitating understanding of the present invention, but not for the purpose of limiting the same, and those skilled in the art can make various changes, modifications, substitutions, integrations and variations without departing from the spirit and scope of the present invention, therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.

Claims

1. An interlock mechanism for a power distribution control device, comprising: the automatic reset mechanism comprises a mechanism bottom plate, wherein a movable baffle is arranged on one side of the mechanism bottom plate, a microswitch, a mechanism swing arm and a lock tongue are arranged on the mechanism bottom plate, the mechanism swing arm comprises a first swing arm, a second swing arm and a third swing arm, the first swing arm is connected with the lock tongue, the second swing arm corresponds to the microswitch in position, the third swing arm is connected with the baffle, a reset spring is arranged at the tail end of the lock tongue, the compressed lock tongue automatically resets, the lock tongue is compressed to drive the first swing arm to swing, further drive the second swing arm to trigger the microswitch, the third swing arm swings and drives the baffle to slide relative to the mechanism bottom plate, the pressed lock tongue is released, the lock tongue automatically resets under the push of the reset spring, further drives the first swing arm to reset, and the second swing arm leaves the microswitch, the third swing arm drives the baffle to return.

2. The interlock mechanism for an electrical distribution control apparatus of claim 1, wherein: the lock tongue is connected with the mechanism swing arm through a bolt.

3. The interlock mechanism for an electrical distribution control apparatus of claim 1, wherein: a first bending plate is arranged on one side of the mechanism bottom plate, and the inner side of the first bending plate is abutted to the reset spring.

4. An interlock mechanism for a power distribution control device in accordance with claim 3, wherein: the mechanism bottom plate with one side that first bending plate corresponds sets up the second bending plate, set up horizontal slot hole on the baffle, the baffle with the laminating setting of second bending plate is connected with bolted connection horizontal slot hole with the second bending plate, the baffle is relative the second bending plate is followed horizontal slot hole motion.

5. The interlock mechanism for an electrical distribution control apparatus of claim 1, wherein: and a bending touch panel is arranged at the end part of the second swing arm, and when the lock tongue is pressed, the bending touch panel triggers the microswitch.

6. The interlock mechanism of an electric distribution control apparatus according to any one of claims 1 to 5, characterized in that: the center of the mechanism swing arm is fixed with the mechanism bottom plate through a bolt, and the mechanism swing arm rotates by taking the bolt as an axis.