CN218730755U - Dual control mechanism for circuit breaker in drawer cabinet - Google Patents

Abstract

The utility model discloses a dual control mechanism for circuit breaker in drawer cabinet, belonging to the technical field of power switch switching, comprising a cabinet body and a drawer, wherein the drawer is used for inserting a connecting circuit in the cabinet body, an automatic executing mechanism, a manual executing mechanism and a switching mechanism are arranged in the drawer, the automatic executing mechanism and the manual executing mechanism are both used for connecting or disconnecting the circuit, and the switching mechanism is used for switching and controlling the connection of the automatic executing mechanism and the manual executing mechanism with the circuit; the switching mechanism comprises a driving assembly, a transmission assembly and a switching assembly. The utility model discloses a set up switching mechanism in the drawer and realize the switching between automatic actuating mechanism and the manual actuator, replaced electric control through mechanical structure, promoted the reliability, drive the structure that the slip rack removed through drive gear, can make the input of output to the input enlarge, can effectively drive auto-change over device work, shared space is little.

Description

Dual control mechanism for circuit breaker in drawer cabinet

Technical Field

The utility model belongs to the technical field of switch switches, especially, relate to a dual control mechanism for circuit breaker in drawer cabinet.

Background

The intelligent power cut and transmission management system is developed aiming at the problems of disordered flow, complex signature and approval, easy misoperation, incomplete power cut and transmission record storage, difficult process tracking and the like in the traditional power cut and transmission process. On the premise of strictly observing safety specifications and management rules of high-voltage and low-voltage power transmission and power transmission, scheme innovation is carried out on the whole power transmission and power transmission process by using the Internet of things, big data and cloud computing, the problem of low document circulation efficiency in each link of the power transmission and power transmission management process is solved, safety of the process is guaranteed by multiple technologies, and the power transmission and power transmission process is safe and efficient.

At present, many coal mines replace the traditional power distribution system with an intelligent power cut and transmission management system, so that the original power distribution system needs to be modified; the drawer type power distribution cabinet is used as more equipment in a power distribution system, an automatic execution mechanism is required to be added in a drawer to realize mutual matching with an intelligent power transmission and reception management system, but the manual control of the existing drawer switch is lost after the automatic execution mechanism is added, and the circuit cannot be effectively controlled if the automatic execution mechanism breaks down; some devices provided with a switching mechanism are mostly controlled by depending on electrical components, and the reliability is poor.

There is therefore a need to devise a dual control mechanism for a circuit breaker in a chest of drawers that solves these problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a dual control mechanism for circuit breaker in drawer cabinet has realized the switching between manual actuator and the automatic actuating mechanism through set up switching mechanism in the drawer, can control the break-make of circuit when the automatic actuating mechanism breaks down.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a dual-control mechanism for a circuit breaker in a drawer cabinet comprises a cabinet body and a drawer, wherein the drawer is used for being inserted into a circuit connected in the cabinet body, an automatic actuating mechanism, a manual actuating mechanism and a switching mechanism are arranged in the drawer, the automatic actuating mechanism and the manual actuating mechanism are used for switching on or switching off the connection of the circuit, and the switching mechanism is used for switching and controlling the connection of the automatic actuating mechanism and the manual actuating mechanism with the circuit;

the switching mechanism comprises a driving assembly, a transmission assembly and a switching assembly, wherein the driving assembly and the transmission assembly are arranged on the inner wall of the drawer and are in sliding connection with the transmission assembly, and the switching assembly is arranged between the automatic execution mechanism and the manual execution mechanism and is in transmission connection with the transmission assembly.

Preferably, the driving assembly comprises a mounting frame fixed on the inner wall of the drawer, a fixed rack is arranged on the inner wall of the mounting frame, a limit groove is formed in the other inner wall opposite to the fixed rack, a sliding rack is arranged in the limit groove, a push rod is arranged between the fixed rack and the sliding rack and on the inner wall of the drawer, a reset spring is fixedly arranged at one end of the push rod, a driving gear is arranged on the push rod in a rotating mode, the driving gear is meshed with the fixed rack and the sliding rack, a through groove is further formed in the limit groove, a driving block is arranged on the sliding rack in a rotating mode, and the driving assembly is connected with the transmission assembly in a sliding mode.

So set up, can turn into the twice of input displacement with output displacement through the combination of drive gear and slip rack, realize the drive to switching mechanism through a small amount of displacement, ensured that switching mechanism can normally work.

Preferably, the transmission assembly comprises a rotating body, one end of the rotating body is rotationally connected with the inner wall of the drawer, reset sliding grooves are formed in the outer wall of the rotating body in a stacking mode along the axis, a first sliding groove and a second sliding groove are arranged between the two reset sliding grooves in a crossed mode, the first sliding groove and the second sliding groove are respectively communicated with the end portions of the two reset sliding grooves, a shifting block is fixedly arranged at the other end of the rotating body, and the shifting block is in transmission connection with the switching assembly.

So set up, realized the rotation repeatedly of rotator through the combination between rotator and a plurality of spout, can effectively drive through the shifting block and adjust the pole and remove to carry out the switching between manual actuator and the automatic actuating mechanism.

Preferably, the switching module sets up including rotating the reversing bar of drawer bottom, the both ends of reversing bar are fixed with automatic gear and manual gear respectively, the fixed branch that is provided with on the reversing bar lateral wall, the free end of branch articulates there is the connecting rod, the free end of connecting rod articulates there is the slider, the outside laminating of slider is provided with fixed frame, fixed frame is fixed to be set up the drawer bottom be provided with the switching spring in the fixed frame, the switching spring is used for promoting the slider is followed fixed frame slides follow on another relative lateral wall of reversing bar the vertical symmetry of branch is provided with the fixed column.

So set up, switch spring and slider can guarantee the star lake meshing between the gear after accomplishing to switch through the combination of branch and connecting rod, guaranteed the stability of connecting between each part after switching.

Preferably, the driving block is rotatably connected with the sliding rack through a connecting shaft, the horizontal section of the driving block is in a shuttle shape, the width of the first sliding chute is equal to that of the second sliding chute, and the length of the driving block is not less than that of the first sliding chute.

By the arrangement, the driving block can be ensured to penetrate through the intersection of the first sliding groove and the second sliding groove.

The utility model has the advantages and positive effects that:

1. the utility model discloses a set up switching mechanism in the drawer and realize the switching between automatic execution mechanism and the manual execution mechanism, replaced electric control through mechanical structure, promoted the reliability.

2. The structure that drives the sliding rack to move through the driving gear can enable the moving distance of the sliding rack to be twice of that of the input end, and the small input through the button drives the long-distance output, so that the switching mechanism can be effectively driven to work, and the occupied space is small.

3. The control to the switching mechanism is realized through the mutual cooperation of a plurality of groups of sliding grooves on the rotating body, the stability of the connection of the switching mechanism with the automatic actuating mechanism and the manual actuating mechanism is ensured through the switching spring and the connecting rod mechanism, the whole mechanism is simple, and the maintenance is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 exercise.

FIG. 1 is a schematic view of the axial structure of the present invention after installation in a drawer;

FIG. 2 is a schematic top view of the present invention after installation in a drawer;

FIG. 3 is a schematic cross-sectional view taken along line I-I in FIG. 2;

FIG. 4 is an enlarged view of the structure at A in FIG. 2;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

fig. 6 is a perspective view showing the distribution positions of the sets of sliding grooves on the rotating body according to the present invention;

fig. 7 is a schematic view of the structure of each set of sliding grooves after the side wall of the rotator of the present invention is unfolded.

The reference numerals are illustrated below:

1. a cabinet body; 2. a drawer; 3. a manual actuator; 4. an automatic actuator; 5. a switching mechanism; 501. a mounting frame; 502. fixing a rack; 503. a push rod; 504. a drive gear; 505. a return spring; 506. a limiting groove; 507. a sliding rack; 508. a through groove; 509. a rotating body; 510. a connecting shaft; 511. a first chute; 512. a second chute; 513. a reset chute; 514. a drive block; 515. shifting blocks; 516. a reversing lever; 517. fixing a column; 518. a connecting rod; 519. a slider; 520. a switching spring; 521. a fixing frame; 522. an automatic gear; 523. a manual gear; 524. a strut; 6. a wiring terminal; 7. a handle; 8. and a switch button.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-7, a dual control mechanism for a circuit breaker in a drawer cabinet comprises a cabinet body 1 and a drawer 2, wherein the drawer 2 is used for being inserted into a circuit connected in the cabinet body 1, an automatic actuator 4, a manual actuator 3 and a switching mechanism 5 are arranged in the drawer 2, the automatic actuator 4 and the manual actuator 3 are both used for connecting or disconnecting the circuit, and the switching mechanism 5 is used for switching and controlling the connection between the automatic actuator 4 and the manual actuator 3 and the circuit;

the switching mechanism 5 comprises a driving assembly, a transmission assembly and a switching assembly, wherein the driving assembly and the transmission assembly are arranged on the inner wall of the drawer 2 and are in sliding connection with the transmission assembly, and the switching assembly is arranged between the automatic execution mechanism 4 and the manual execution mechanism 3 and is in transmission connection with the transmission assembly.

Specifically, the driving assembly comprises a mounting frame 501 fixed on the inner wall of the drawer 2, a fixed rack 502 is arranged on one inner wall of the mounting frame 501, a limit groove 506 is formed in the other inner wall opposite to the fixed rack 502, a sliding rack 507 is arranged in the limit groove 506, a push rod 503 is arranged on the inner wall of the drawer 2 between the fixed rack 502 and the sliding rack 507, a return spring 505 is fixedly arranged at one end of the push rod 503, a driving gear 504 is rotatably arranged on the push rod 503, the driving gear 504, the fixed rack 502 and the sliding rack 507 are meshed with each other, a through groove 508 is further formed in the limit groove 506, a driving block 514 is rotatably arranged on the sliding rack 507, the driving assembly is slidably connected with the transmission assembly through the driving block 514, the output displacement can be converted into twice of the input displacement through the combination of the driving gear 504 and the sliding rack 507, the driving of the switching mechanism 5 is realized through a small amount of displacement, and the switching mechanism 5 can normally work.

Specifically, the transmission subassembly includes rotator 509, rotator 509's one end and 2 inner walls of drawer are rotated and are connected, rotator 509's outer wall is gone up to pile up along the axis and has been seted up the spout 513 that resets, it has first spout 511 and second spout 512 to cross between two spouts 513 to reset, and first spout 511 and second spout 512 are linked together with the tip of two spouts 513 that resets respectively, rotator 509's the other end is fixed and is provided with shifting block 515, shifting block 515 is connected with the switching component transmission, so set up and realized rotator 509's rotation repeatedly through the combination between rotator 509 and a plurality of spouts, can effectively drive the regulation pole through shifting block 515 and remove, thereby carry out the switching between manual actuator 3 and the automatic actuating mechanism 4.

Specifically, the switching assembly comprises a reversing rod 516 rotatably arranged at the bottom of the drawer 2, an automatic gear 522 and a manual gear 523 are respectively fixed at two ends of the reversing rod 516, a supporting rod 524 is fixedly arranged on one side wall of the reversing rod 516, a connecting rod 518 is hinged to the free end of the supporting rod 524, a sliding block 519 is hinged to the free end of the connecting rod 518, a fixed frame 521 is attached to the outer side of the sliding block 519, the fixed frame 521 is fixedly arranged at the bottom of the drawer 2, a switching spring 520 is arranged in the fixed frame 521, the switching spring 520 is used for pushing the sliding block 519 to slide along the fixed frame 521, fixed columns 517 are symmetrically arranged on the other opposite side wall of the reversing rod 516 along the supporting rod 524, the gears can be engaged with each other after switching is completed through the combination of the supporting rod 524 and the connecting rod 518, and the stability of connection between the various parts after switching is ensured

Further, the driving block 514 is rotatably connected with the sliding rack 507 through a connecting shaft 510, the horizontal section of the driving block 514 is in a shuttle shape, the width of the first sliding groove 511 is equal to that of the second sliding groove 512, and the length of the driving block 514 is not less than that of the first sliding groove 511, so that the driving block 514 can penetrate through the intersection of the first sliding groove 511 and the second sliding groove 512, and meanwhile, the rotatably arranged driving block 514 can be matched with a plurality of sliding grooves to slide.

The working process of the embodiment is as follows: before using, a worker firstly installs the automatic execution mechanism 4 and the manual execution mechanism 3 in the drawer 2, then connects the automatic execution mechanism 4 with the manual execution mechanism 3 through a wire, then connects the wiring terminal 6 with a plug on the drawer 2 through a wire, and then switches the switching mechanism 5 to the manual execution mechanism 3, at the moment, the worker can control the on-off of the circuit through manual operation, when the worker is in the manual execution mechanism 3, the manual gear 523 on the reversing rod 516 can be meshed with the gear in the manual execution mechanism 3, then the worker inserts the drawer 2 into the cabinet body 1, at the moment, the worker can control the manual execution mechanism 3 by rotating the handle 7 on the outer wall of the drawer 2, so that the manual execution mechanism 3 controls the on-off of the circuit.

If automatic control is needed, a worker presses a switching button 8 on the outer wall of the drawer 2, the button pushes a driving gear 504 to move through a push rod 503 after being pressed, the driving gear 504 and a fixed gear rack 502 are meshed with each other, so that the driving gear 504 rotates when moving, and a sliding rack 507 and the driving gear 504 are also meshed with each other, so that the driving gear 504 drives the sliding rack 507 to slide in a limiting groove 506 when moving, and meanwhile, the sliding rack 507 is further driven to move along with the rotation of the moving driving gear 504, so that the moving distance of the sliding rack 507 is twice as long as the moving distance of the driving gear 504;

when the sliding rack 507 moves, the connecting shaft 510 is driven to move in the through groove 508, and at the same time, the connecting shaft 510 drives the driving block 514 to move, as shown in fig. 7, the depth of the first sliding groove 511 at the position a where the driving block 514 is located at this time exceeds the depth of the reset sliding groove 513, so that the driving block 514 slides along the first sliding groove 511 when moving, the rotating body 509 rotates when the driving block 514 slides along the first sliding groove 511, the shifting block 515 moves from the left side to the right side along with the rotation of the rotating body 509, in this process, the shifting block 515 contacts with the fixed rod and pushes the reversing rod 516 to rotate through the fixed rod 517, and when the reversing rod 516 rotates, the supporting rod 524 also moves along with the rotation of the reversing rod 516, during the moving process, the supporting rod 524 pushes the sliding block 519 to slide in the fixed frame 521 through the connecting rod 518 connected with the free end, the reversing spring is compressed, the connecting position of the supporting rod 524 and the connecting rod 518 moves towards the other side of the sliding block 519 under the pushing action of the shifting block 515, the switching spring 520 extends after the connecting position of the supporting rod 524 and the connecting rod 518 moves to the other side of the sliding block 519, the sliding block 519 is pushed to move, the manual gear 523 on the reversing rod 516 is separated from the manual actuating mechanism 3, the manual actuating mechanism resets to cut off a circuit, then the automatic gear 522 is meshed with a gear in the automatic actuating mechanism 4, and at the moment, a worker can remotely operate and control the on-off of the circuit through the automatic actuating mechanism 4.

After the switching mechanism 5 completes the process of switching from the manual actuator 3 to the automatic actuator 4, the sliding block will also slide along the first sliding slot 511 into the reset sliding slot 513 on the other side, as shown in fig. 7, at the position b of the driving block 514, the depth of the reset sliding slot 513 exceeds the depth of the first sliding slot 511, so when the operator releases the switching button 8, the reset spring 505 will push the push rod 503 to move and reset, and the driving gear 504 will drive the sliding rack 507 to reset, the driving block 514 will slide along the reset sliding slot 513 to the position c connected with the second sliding slot 512, and the depth of the second sliding slot 512 exceeds the depth of the reset sliding slot 513, so when the operator presses the switching button 8 again, the driving block 514 will slide along the second sliding slot 512, thereby driving the rotating body 509 to rotate in the reverse direction, and the driving reversing lever 516 to switch again, and when the driving block 514 slides along the second sliding slot 512 to the position d connected with the reset sliding slot 513, the depth of the reset sliding slot 513 exceeds the second sliding slot 513, and therefore, when the operator releases the driving block 514 to the reset sliding along the reset sliding slot 513.

If an emergency occurs or the automatic actuating mechanism 4 breaks down, a worker can switch the switching mechanism 5 to the manual actuating mechanism 3 by pressing the switching button 8 on the drawer 2 again when the circuit cannot be controlled to be switched on or off, and then the circuit is disconnected by rotating the handle 7, so that the safety of the circuit and the safety of the electric appliance are ensured.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (5)

1. A dual control mechanism for a circuit breaker in a drawer cabinet comprises a cabinet body (1) and a drawer (2), wherein the drawer (2) is used for being inserted into a connecting circuit in the cabinet body (1), and is characterized in that: an automatic execution mechanism (4), a manual execution mechanism (3) and a switching mechanism (5) are arranged in the drawer (2), the automatic execution mechanism (4) and the manual execution mechanism (3) are used for connecting or disconnecting a circuit, and the switching mechanism (5) is used for switching and controlling the connection between the automatic execution mechanism (4) and the manual execution mechanism (3) and the circuit;

the switching mechanism (5) comprises a driving assembly, a transmission assembly and a switching assembly, wherein the driving assembly and the transmission assembly are arranged on the inner wall of the drawer (2) and are in sliding connection with the transmission assembly, and the switching assembly is arranged between the automatic execution mechanism (4) and the manual execution mechanism (3) and is in transmission connection with the transmission assembly.

2. A dual control mechanism for a circuit breaker in a chest of drawers as claimed in claim 1, characterised in that: drive assembly is including fixing mounting bracket (501) on drawer (2) inner wall be provided with fixed rack (502) on mounting bracket (501) inner wall, with spacing groove (506) have been seted up on another inner wall that fixed rack (502) are relative, be provided with slip rack (507) in spacing groove (506) fixed rack (502) with between slip rack (507 be provided with push rod (503) on drawer (2) inner wall, the fixed reset spring (505) that is provided with of one end of push rod (503), it is provided with drive gear (504) to rotate on push rod (503), just drive gear (504) with fixed rack (502) with equal intermeshing of slip rack (507) logical groove (508) has still been seted up in spacing groove (506), it is provided with drive block (514) to rotate on slip rack (507), drive assembly passes through drive block (514) with drive assembly sliding connection.

3. A dual control mechanism for a circuit breaker in a chest of drawers as claimed in claim 2, characterised in that: the transmission assembly comprises a rotating body (509), one end of the rotating body (509) is connected with the inner wall of the drawer (2) in a rotating mode, a reset sliding groove (513) is formed in the outer wall of the rotating body (509) in a stacking mode along the axis, a first sliding groove (511) and a second sliding groove (512) are arranged between the reset sliding grooves (513) in a crossed mode, the first sliding groove (511) and the second sliding groove (512) are communicated with the two ends of the reset sliding groove (513) respectively, a shifting block (515) is fixedly arranged at the other end of the rotating body (509), and the shifting block (515) is in transmission connection with the switching assembly.

4. A dual control mechanism for a circuit breaker in a chest of drawers as claimed in claim 3, characterised in that: the switching assembly comprises a reversing rod (516) rotatably arranged at the bottom of the drawer (2), an automatic gear (522) and a manual gear (523) are fixed at two ends of the reversing rod (516) respectively, a supporting rod (524) is fixedly arranged on one side wall of the reversing rod (516), a connecting rod (518) is hinged to the free end of the supporting rod (524), a sliding block (519) is hinged to the free end of the connecting rod (518), a fixed frame (521) is arranged on the outer side of the sliding block (519) in a fit mode, the fixed frame (521) is fixedly arranged at the bottom of the drawer (2), a switching spring (520) is arranged in the fixed frame (521), the switching spring (520) is used for pushing the sliding block (519) to slide along the fixed frame (521), and fixed columns (517) are longitudinally and symmetrically arranged on the other opposite side wall of the reversing rod (516) along the supporting rod (524).

5. The dual control mechanism for a circuit breaker inside a chest of drawers as claimed in claim 4, wherein: the driving block (514) is rotatably connected with the sliding rack (507) through a connecting shaft (510), the horizontal section of the driving block (514) is in a shuttle shape, the width of the first sliding groove (511) is equal to that of the second sliding groove (512), and the length of the driving block (514) is not less than that of the first sliding groove (511).

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