CN217036534U

CN217036534U - Low-voltage cabinet drawer electric interlock

Info

Publication number: CN217036534U
Application number: CN202220600314.5U
Authority: CN
Inventors: 王莉芳; 杜汪洋
Original assignee: Wuhan Heli Electric Appliance Co ltd
Current assignee: Wuhan Heli Electric Appliance Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-22
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses an electric interlocking device for a drawer of a low-voltage cabinet, which comprises an installation box, wherein a partition plate is arranged on the inner wall of the installation box, the top of the partition plate is connected with the drawer in a sliding manner, an interlocking mechanism is arranged on the inner wall of the drawer, a driving mechanism is arranged on the side wall of the installation box and below the drawer, the interlocking mechanism comprises a limiting baffle and a fixed box, and the utility model relates to the technical field of electric control. This electronic interlocking of low-voltage cabinet drawer, when needing to pull out the drawer from the install bin, the pulling is adjusted the pole, it triggers first switch through the movable rod to adjust the pole rotation, first switch action control driving motor corotation drives the drawer and follows the roll-off in the install bin, when needing to impel the install bin with the drawer, promote to adjust the pole, it triggers the second switch to adjust the pole rotation, second switch action control driving motor reversal drives the drawer and slides in the install bin, actuating mechanism convenient operation, can in time make the reaction according to operating personnel's action.

Description

Electric interlocking of low-voltage cabinet drawer

Technical Field

The utility model relates to the technical field of electrical control, in particular to an electric interlocking for a drawer of a low-voltage cabinet.

Background

The drawer type switch cabinet is a closed shell made of steel plates, and electric elements of the wire inlet and outlet loop are all installed in the drawer capable of being drawn out, so that a functional unit capable of completing a certain type of power supply task is formed. The functional unit of the drawer type switch cabinet is separated from the bus or the cable by a grounded metal plate or a functional plate made of plastic, and three areas of the bus, the functional unit and the cable are formed. There is also a separation between each functional unit. The drawer type switch cabinet has higher reliability, safety and interchangeability, is an advanced switch cabinet, and most of the produced switch cabinets are drawer type switch cabinets. The power distribution center is suitable for industrial and mining enterprises and high-rise buildings which require high power supply reliability and serves as a centralized control power distribution center.

For a heavy-current drawer, due to the fact that the push-pull force of the drawer is quite large, a general mechanism cannot realize push-pull only through manual operation, and an auxiliary power-assisted mechanism needs to be additionally arranged, but the push-pull interlocking mechanisms of the drawer functional unit are various, the GCK plate pulling type mechanism for door opening operation reduces the protection grade, and the electric interlocking mechanism of the existing drawer unit cannot make timely reaction to assist an operator to pull and pull the drawer according to the push-pull action of the operator on the drawer.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an electric interlocking mechanism for a drawer of a low-voltage cabinet, which solves the problem that an electric interlocking mechanism of the existing drawer unit cannot respond timely to pull and pull of an operator to pull the drawer according to the push-pull action of the operator to the drawer.

In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a low-voltage cabinet drawer electric interlock, includes the install bin, the inner wall of install bin is provided with the division board, the top sliding connection of division board has the drawer, the drawer inner wall is provided with interlocking device, the lateral wall of install bin just is located the below of drawer and is provided with actuating mechanism, interlocking device includes limit baffle and fixed case, limit baffle's top and the bottom fixed connection of division board, one side of fixed case and the inner wall fixed connection of drawer, one side fixed connection of fixed incasement wall has the mounting panel, the bottom sliding connection of mounting panel has the movable rod, the top of movable rod runs through the mounting panel and extends to the top of mounting panel, the top fixedly connected with limiting plate of movable rod, the top fixedly connected with gag lever post of limiting plate, the top of gag lever post runs through fixed case and extends to the outside of fixed case, the bottom of fixed incasement wall just is located the below sliding connection of movable rod and has first switch, rotate through the pivot between the front of fixed incasement wall and the back and be connected with the regulation pole, the one end of adjusting the pole is rotated with the bottom of movable rod and is connected, the surface of movable rod just is located the below fixedly connected with anticreep pole of regulation pole, the regulation pole other end runs through the drawer and extends to the outside of drawer.

Preferably, the bottom of limiting plate and the fixed surface that is located the movable rod are connected with first spring, the one end of keeping away from the limiting plate of first spring and the top fixed connection of mounting panel.

Preferably, the outside of the drawer is slidably connected with a push rod, a second switch is arranged outside the drawer and below the push rod, and one end of the push rod penetrates through the drawer and extends to the inside of the fixed box.

Preferably, one end, located inside the fixed box, of the ejector rod is connected with a first linkage rod in a rotating mode, one end, far away from the ejector rod, of the first linkage rod is connected with a second linkage rod in a rotating mode, one end, far away from the first linkage rod, of the second linkage rod is fixedly connected with the first switch, and a second spring is arranged between one end, far away from the first switch, of the second linkage rod and the inner wall of the fixed box.

Preferably, the driving mechanism comprises a driving motor and a rack plate, the driving motor is fixedly connected with the top of the partition plate, the rack plate is fixedly connected with the bottom of the drawer, and an output shaft of the driving motor is fixedly connected with a worm.

Preferably, the top in division board is provided with U type groove, the inside rotation in U type groove is connected with the installation axle, the one end fixedly connected with of installation axle and the worm wheel of worm looks adaptation, the other end fixedly connected with of installation axle and rack plate looks engaged with gear.

Advantageous effects

The utility model provides an electric interlocking device for a drawer of a low-voltage cabinet. Compared with the prior art, the method has the following beneficial effects:

(1) the low-voltage cabinet drawer electric interlocking device comprises a partition plate arranged on the inner wall of an installation box, a drawer is connected to the top of the partition plate in a sliding manner, an interlocking mechanism is arranged on the inner wall of the drawer, a driving mechanism is arranged on the side wall of the installation box and positioned below the drawer, the interlocking mechanism comprises a limiting baffle and a fixed box, the top of the limiting baffle is fixedly connected with the bottom of the partition plate, one side of the fixed box is fixedly connected with the inner wall of the drawer, one side of the inner wall of the fixed box is fixedly connected with an installation plate, the bottom of the installation plate is connected with a movable rod in a sliding manner, the top end of the movable rod penetrates through the installation plate and extends to the top of the installation plate, the top end of the movable rod is fixedly connected with a limiting plate, the top end of the limiting rod penetrates through the fixed box and extends to the outside of the fixed box, and the bottom of the inner wall of the fixed box and positioned below the movable rod are connected with a first switch in a sliding manner, an adjusting rod is rotatably connected between the front surface and the back surface of the inner wall of the fixed box through a rotating shaft, one end of the adjusting rod is rotatably connected with the bottom end of a movable rod, an anti-falling rod is fixedly connected on the surface of the movable rod and is positioned below the adjusting rod, the other end of the adjusting rod penetrates through the drawer and extends to the outside of the drawer, an ejector rod is slidably connected on the outside of the drawer, a second switch is arranged on the outside of the drawer and is positioned below the ejector rod, one end of the ejector rod penetrates through the drawer and extends to the inside of the fixed box, one end of the ejector rod, which is positioned inside the fixed box, is rotatably connected with a first linkage rod, one end of the first linkage rod, which is far away from the ejector rod, is rotatably connected with a second linkage rod, one end of the second linkage rod, which is far away from the first linkage rod, is fixedly connected with the first switch, a second spring is arranged between one end of the second linkage rod, which is far away from the first switch, and the inner wall of the fixed box, when the drawer needs to be pulled out from the installation box, the pull is adjusted the pole, adjusts the pole and rotates and trigger first switch through the movable rod, and first switch action control driving motor corotation drives the drawer and follows the sliding-out in the install bin, when needing to impel the drawer in the install bin, promotes to adjust the pole, adjusts the pole and rotates and trigger the second switch, and second switch action control driving motor reversal drives the drawer and slides in the install bin, and actuating mechanism convenient operation can in time make the reaction according to operating personnel's action.

(2) This low-voltage cabinet drawer electric interlocking, include driving motor and rack plate through actuating mechanism, the top fixed connection of driving motor and division board, the bottom fixed connection of rack plate and drawer, driving motor's output shaft fixedly connected with worm, the top of division board is provided with U type groove, the inside rotation in U type groove is connected with the installation axle, the one end fixedly connected with of installation axle and the worm wheel of worm looks adaptation, the other end fixedly connected with of installation axle and the gear that the rack plate meshed mutually, through adopting the worm gear transmission, can act as the reduction gear, can utilize the auto-lock characteristic of worm gear again, make the drawer stop and fix in the optional position in the in-process of taking out, make things convenient for the staff to operate.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a perspective view of the drive mechanism of the present invention;

FIG. 4 is a top cross-sectional view of the interlock mechanism of the present invention;

FIG. 5 is an enlarged view of a portion of the utility model at A in FIG. 2;

fig. 6 is a perspective view of the divider plate of the present invention.

In the figure: the device comprises a mounting box 1, a partition plate 2, a drawer 3, an interlocking mechanism 4, a limit baffle 41, a fixed box 42, a mounting plate 43, a movable rod 44, a limit plate 45, a limit rod 46, a first switch 47, an adjusting rod 48, an anti-drop rod 49, a first spring 410, a top rod 411, a second switch 412, a first linkage rod 413, a second linkage rod 414, a second spring 415, a driving mechanism 5, a driving motor 51, a rack plate 52, a worm 53, a mounting shaft 54, a worm wheel 55, a gear 56 and a U-shaped groove 6.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an electric interlocking device for a drawer of a low-voltage cabinet comprises an installation box 1, wherein a partition plate 2 is arranged on the inner wall of the installation box 1, a plurality of drawers 3 are slidably connected to the top of the partition plate 2, an interlocking mechanism 4 is arranged on the inner wall of each drawer 3, a driving mechanism 5 is arranged on the side wall of the installation box 1 and below the drawer 3, the interlocking mechanism 4 comprises a limit baffle 41 and a fixed box 42, the top of the limit baffle 41 is fixedly connected with the bottom of the partition plate 2, one side of the fixed box 42 is fixedly connected with the inner wall of the drawer 3, one side of the inner wall of the fixed box 42 is fixedly connected with a mounting plate 43, the bottom of the mounting plate 43 is slidably connected with a movable rod 44, the top end of the movable rod 44 penetrates through the mounting plate 43 and extends to the top of the mounting plate 43, the top end of the movable rod 44 is fixedly connected with a limit plate 45, the bottom of the limit plate 45 is fixedly connected with a first spring 410 positioned on the surface of the movable rod 44, one end of the first spring 410, which is far away from the limit plate 45, is fixedly connected with the top of the mounting plate 43, the top of the limit plate 45 is fixedly connected with a limit rod 46, the top end of the limit rod 46 penetrates through the fixed box 42 and extends to the outside of the fixed box 42, the bottom of the inner wall of the fixed box 42 and is positioned below the movable rod 44 are slidably connected with a first switch 47, the first switch 47 is slidably connected with the bottom of the inner wall of the fixed box 42 through a slide rail, the first switch 47 is electrically connected with the driving motor 51 through a lead wire and can independently control the start and stop of the driving motor 51, when the first switch 47 is triggered, the drawer 3 slides out, an adjusting rod 48 is rotatably connected between the front surface and the back surface of the inner wall of the fixed box 42 through a rotating shaft, one end of the adjusting rod 48 is rotatably connected with the bottom end of the movable rod 44, an anti-off rod 49 is fixedly connected on the surface of the movable rod 44 and is positioned below the adjusting rod 48, and the other end of the adjusting rod 48 penetrates through the drawer 3 and extends to the outside of the drawer 3, a top rod 411 is connected to the outside of the drawer 3 in a sliding manner, a second switch 412 is arranged outside the drawer 3 and below the top rod 411, the second switch 412 is electrically connected with the driving motor 51 through a conducting wire and can independently control the start and stop of the driving motor 51, when the second switch 412 is triggered, the drawer 3 slides into the installation box 1, one end of the top rod 411 penetrates through the drawer 3 and extends into the fixed box 42, one end of the top rod 411, which is positioned inside the fixed box 42, is rotatably connected with a first linkage rod 413, one end of the first linkage rod 413, which is far away from the top rod 411, is rotatably connected with a second linkage rod 414, the second linkage rod 414 is arranged in parallel with a sliding rail of the first switch 47, one end of the second linkage rod 414, which is far away from the first linkage rod 413, is fixedly connected with the first switch 47, a second spring 415 is arranged between one end of the second linkage rod 414, which is far away from the first switch 47, and the inner wall of the fixed box 42, the driving mechanism 5 comprises the driving motor 51 and a rack plate 52, driving motor 51 has the function of just reversing, be connected with control system and power through the wire, driving motor 51 and division board 2's top fixed connection, rack plate 52 and drawer 3's bottom fixed connection, driving motor 51's output shaft fixedly connected with worm 53, division board 2's top is provided with U type groove 6, the internal rotation in U type groove 6 is connected with installation axle 54, the one end fixedly connected with of installation axle 54 and the worm wheel 55 of worm 53 looks adaptation, the other end fixedly connected with of installation axle 54 and rack plate 52 looks engaged with gear 56.

When the drawer 3 is required to be pulled out of the installation box 1, the adjusting rod 48 is pulled, the adjusting rod 48 rotates anticlockwise to rotate and drives the limiting rod 46 to move through the movable rod 44 and the limiting plate 45, the limiting rod 46 moves downwards to be separated from the limiting baffle plate 41, the drawer 3 and the installation box 1 lose limiting, the adjusting rod 48 rotates continuously to drive the movable rod 44 to move downwards continuously to trigger the first switch 47, the first switch 47 acts to drive the driving motor 51 to rotate forwards, the driving motor 51 works to drive the worm 53 to rotate, the worm 53 rotates to drive the worm wheel 55, the installation shaft 54 and the gear 56 to rotate together through meshing, the gear 56 rotates to drive the rack plate 52 and the drawer 3 to move together through meshing to slide the drawer 3 out of the installation box 1, when the drawer 3 is required to be pushed into the installation box 1, the adjusting rod 48 is pushed, the adjusting rod 48 rotates to push the second switch 412 to act clockwise, the second switch 421 drives the driving motor 51 to rotate reversely to drive the drawer 3 to slide into the installation box 1, when the adjusting rod 48 rotates clockwise, the push rod 411 is pushed to drive the first linkage rod 413 and the second linkage rod 414 to move, and the second linkage rod 414 moves to drive the first switch 47 to slide, so that the first switch 47 is prevented from being touched by the movable rod 44 by mistake when the drawer 3 is closed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a low-voltage cabinet drawer electric interlocking, includes install bin (1), the inner wall of install bin (1) is provided with division board (2), its characterized in that: the top sliding connection of division board (2) has drawer (3), drawer (3) inner wall is provided with interlocking device (4), the lateral wall of install bin (1) and the below that is located drawer (3) are provided with actuating mechanism (5), interlocking device (4) include limit baffle (41) and fixed box (42), the top of limit baffle (41) and the bottom fixed connection of division board (2), the inner wall fixed connection of one side of fixed box (42) and drawer (3), one side fixedly connected with mounting panel (43) of fixed box (42) inner wall, the bottom sliding connection of mounting panel (43) has movable rod (44), the top of movable rod (44) runs through mounting panel (43) and extends to the top of mounting panel (43), the top fixedly connected with limiting plate (45) of movable rod (44), the top fixedly connected with gag lever post (46) of limiting plate (45), the top of gag lever post (46) runs through fixed case (42) and extends to the outside of fixed case (42), the bottom of fixed case (42) inner wall and the below sliding connection who is located movable rod (44) have first switch (47), rotate through the pivot between the front of fixed case (42) inner wall and the back and be connected with regulation pole (48), the one end of adjusting pole (48) is rotated with the bottom of movable rod (44) and is connected, the surface of movable rod (44) just is located below fixedly connected with anticreep pole (49) of adjusting pole (48), it runs through drawer (3) and extends to the outside of drawer (3) to adjust pole (48) other end.

2. The low-voltage cabinet drawer electric interlock according to claim 1, characterized in that: the bottom of limiting plate (45) just is located the fixed surface of movable rod (44) and is connected with first spring (410), the top fixed connection of the one end of keeping away from limiting plate (45) of first spring (410) and mounting panel (43).

3. The low-voltage cabinet drawer electric interlock according to claim 1, characterized in that: the outside sliding connection of drawer (3) has ejector pin (411), the outside of drawer (3) just is located the below of ejector pin (411) and is provided with second switch (412), the one end of ejector pin (411) runs through drawer (3) and extends to the inside of fixed case (42).

4. The low-voltage cabinet drawer electric interlock according to claim 3, characterized in that: the push rod (411) is located the inside one end of fixed case (42) and rotates and be connected with first gangbar (413), the one end that push rod (411) were kept away from in first gangbar (413) rotates and is connected with second gangbar (414), the one end and first switch (47) fixed connection of first gangbar (413) are kept away from in second gangbar (414), be provided with second spring (415) between the one end that first switch (47) were kept away from in second gangbar (414) and the inner wall of fixed case (42).

5. The low-voltage cabinet drawer electric interlock according to claim 1, characterized in that: actuating mechanism (5) are including driving motor (51) and rack plate (52), driving motor (51) and the top fixed connection of division board (2), the bottom fixed connection of rack plate (52) and drawer (3), the output shaft fixed connection of driving motor (51) has worm (53).

6. The low-voltage cabinet drawer electric interlock according to claim 5, characterized in that: the top of division board (2) is provided with U type groove (6), the inside rotation in U type groove (6) is connected with installation axle (54), the one end fixedly connected with of installation axle (54) and worm (53) looks adaptation worm wheel (55), the other end fixedly connected with of installation axle (54) and rack plate (52) engaged with gear (56).