CN219105948U

CN219105948U - Transmission device of automatic transfer switch electric appliance

Info

Publication number: CN219105948U
Application number: CN202223049197.7U
Authority: CN
Inventors: 项乔邦; 黄文体; 郭德鑫
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-05-30
Anticipated expiration: 2032-11-16

Abstract

The utility model provides a transmission of automatic change-over switch electrical apparatus, its includes the support and slides respectively and set up two racks on the support, is equipped with two guide structures that are used for restricting two rack travel direction respectively on the support to and be located two micro-gap switches on two rack travel paths respectively, be equipped with rotatable gear between two racks, gear and two rack meshing, can drive two racks and remove along the direction that guide structure restricted respectively when the gear rotates respectively, two racks all are equipped with the actuating mechanism that is used for driving switch electrical apparatus action, and the rack is closed a floodgate through actuating mechanism drive corresponding switch electrical apparatus when moving to the closing position, and triggers corresponding micro-gap switches, only can realize mechanical interlocking function, and two micro-gap switches can judge whether corresponding racks move in place, and then judge whether switch electrical apparatus closes a floodgate in place, prevent that early motion stops to cause the combined floodgate not to put in place, improved the reliability of product combined floodgate.

Description

Transmission device of automatic transfer switch electric appliance

Technical Field

The utility model relates to the field of piezoelectric devices, in particular to a transmission device of an automatic transfer switching device.

Background

The utility model provides a transmission of automatic change-over switch electrical apparatus for control the break-make of common power supply and stand-by power supply, current transmission adopts the mode transmission of link mechanism mostly, and the mode transmission of link mechanism is also partly adopting gear drive's mode, but has that gear quantity is many, easy card is put and the poor problem of transmission efficiency, still need set up track or stock that is used for the direction moreover, leads to occupation space big on the vertical direction, leads to whole transmission's volume too big.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the transmission device of the automatic transfer switch electric appliance, which has the advantages of small number of parts, simple structure and small volume.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic transfer switch electrical apparatus's transmission, its includes the support and slides respectively and set up two racks on the support, is equipped with two guide structures that are used for restricting two rack travel direction respectively on the support to and be located two micro-gap switches on two rack travel path respectively, be equipped with rotatable gear between two racks, gear and two rack meshing, can drive two racks and remove along the direction that guide structure restricted respectively when the gear rotates respectively, two racks all are equipped with the actuating mechanism that is used for driving switch electrical apparatus action, and the rack is closed a floodgate through actuating mechanism drive corresponding switch electrical apparatus when moving to the closing position, and triggers corresponding micro-gap switch.

Preferably, the support is provided with two avoidance grooves corresponding to the two driving mechanisms respectively, the two avoidance grooves are respectively used for avoiding handles of the switching device, and the handles can penetrate through the support to be matched with the driving mechanisms.

Preferably, the guide structure comprises a guide groove arranged on the support and a sliding block which penetrates through the guide groove to be in sliding fit, the sliding block is connected with the rack and used for limiting the rack to move along the length direction of the guide groove, and a limiting part which is in limiting fit with one side of the rack away from the support is arranged on the sliding block.

Preferably, the driving mechanism comprises a push plate and a rocker arm connected between the push plate and the rack, and the push plate is used for pushing a handle of the switching device to act.

Preferably, the push plate comprises two pushing parts and a connecting part connected between one ends of the two pushing parts, and a pushing groove is arranged between the two pushing parts and is used for being sleeved on a handle of the switching device.

Preferably, the connecting part is provided with a bending part extending to one side of the rocker arm far away from the support, the bending part is connected with the rocker arm, and the pushing part and the bending part are respectively positioned in two planes with different heights.

Preferably, the bending part comprises a contact part contacted with the rocker arm, the contact part is correspondingly arranged above the driving mechanism, and the rocker arm is connected with the contact part through a bolt.

Preferably, rotatable rollers are respectively arranged on the two pushing parts, and the pushing parts push the handles through the rollers.

Preferably, the moving directions of the two racks are opposite, and only one rack can move to the corresponding closing position.

Preferably, the device further comprises two indication holes which are respectively and correspondingly arranged with the two racks.

According to the transmission device of the automatic transfer switching device, the two racks are directly driven to move through one gear, and the corresponding switching device is driven to switch on or off through the driving mechanism connected with the racks, so that a mechanical interlocking function can be realized, whether the corresponding racks move in place or not can be judged by the two micro switches, whether the switching device is in place or not can be judged, the situation that the switching device is not in place due to the fact that the movement stops in advance is prevented, and the reliability of switching on of a product is improved.

In addition, by transmitting the driving force through the rocker arm, the use of complex links and gears for transmitting the driving force can be avoided.

Drawings

FIG. 1 is a schematic diagram of the transmission mechanism of the automatic transfer switching device of the present utility model;

FIGS. 2-4 are views of a double split position, a normal position and a standby position, respectively, of the transmission of the present utility model;

fig. 5 is an enlarged view of a portion of fig. 1 in accordance with the present utility model.

Detailed Description

The following describes further embodiments of the transmission device of the automatic transfer switching device according to the present utility model, with reference to the examples given in the accompanying drawings. The transmission device of the automatic transfer switching device of the present utility model is not limited to the description of the following embodiments.

As shown in fig. 1, the transmission device of the automatic transfer switching device comprises a bracket 1 and two racks which are respectively arranged on the bracket 1 in a sliding manner, wherein the bracket 1 is provided with two guide structures which are respectively used for limiting the moving directions of the two racks, and two microswitches which are respectively positioned on the moving paths of the two racks, a rotatable gear 9 is arranged between the two racks, the gear 9 is meshed with the two racks, the two racks can be respectively driven to move along the limiting directions of the respective guide structures when the gear 9 rotates, the two racks are respectively provided with a driving mechanism for driving the switching device to act, the racks are driven to switch on by the driving mechanism when moving to a switch-on position, and the corresponding microswitches are triggered when the corresponding switching device is switched on.

According to the transmission device of the automatic transfer switching device, the gear 9 directly drives the two racks to move, and the driving mechanism connected with the racks drives the corresponding switching device to switch on and off, so that a mechanical interlocking function can be realized, the two micro switches can judge whether the corresponding racks move in place, further judge whether the switching device is in place or not, prevent the switching from being in place due to the fact that early movement stops, and improve the reliability of switching on of products.

As shown in fig. 1-4, the automatic transfer switch device of the present utility model includes two switch devices, the two switch devices are a common switch 14 and a standby switch 15, the common switch 14 and the standby switch 15 are respectively used for controlling on-off of a common power supply and a standby power supply, the two rocker arms are a common rocker arm 5 and a standby rocker arm 13, the two micro switches are a common micro switch 6 and a standby micro switch 12, the two racks are a common rack 7 and a standby rack 11, the gear 9 is connected with the motor 2 through a shaft sleeve, the motor 2 controls the gear 9 to rotate, the two racks are a common rack 7 and a standby rack 11, the gear 9 drives a handle 100 of the common switch 14 and the standby switch 15 through the common rack 7 and the standby rack 11 respectively, fig. 2 is a double-off position, the common rack 7 and the standby power supply are both off, the common rack 7 and the standby rack 11 are both in a first-off position, at this time, the common rack 7 is moved to a closing position, the standby rack 11 is moved to a second-off position, the common power supply is turned on, and the standby rack 11 is turned off. The movement directions of the common rack 7 and the standby rack 11 are opposite, and only one rack can move to the corresponding closing position, and the other rack is positioned at the corresponding second separation position.

As shown in fig. 1, the support 1 is provided with two avoidance grooves 16 corresponding to two driving mechanisms respectively, the two avoidance grooves 16 are respectively used for avoiding a handle 100 of the switching device, the handle 100 can pass through the support 1 to be matched with the driving mechanisms, the distance from a rack to the corresponding switching device can be reduced, the length of the driving mechanism is further reduced, and the use of a plurality of gears 9 for transmission is avoided.

As shown in fig. 1, the guiding structure comprises a guiding groove (not shown in the drawing) arranged on the bracket 1, and a sliding block 8 passing through the guiding groove in a sliding fit manner, wherein the sliding block 8 is in interference connection with the rack, the sliding block 8 is used for limiting the rack to move only along the length direction of the guiding groove, and a limiting piece 80 in limiting fit with one side, far away from the bracket 1, of the sliding block 8 is arranged on the sliding block 8.

The guide structure of this embodiment, through setting up the guide way on support 1, set up the slider 8 that passes guide way and rack, need not set up guide rail and similar structure between support 1 and rack, can avoid increasing the space that occupies in the direction of height, has small and compact structure's characteristics.

As shown in fig. 1, the driving mechanism includes a push plate 3 and a rocker arm connected between the push plate 3 and a rack, the push plate 3 is used for pushing a handle 100 of the switching device to act, and the driving force is transmitted through the rocker arm, so that the use of complex connecting rods and gears for transmitting the driving force can be avoided.

As shown in fig. 5, the push plate 3 includes two pushing parts 31, and a connecting part 32 connected between one ends of the two pushing parts 31, a pushing groove 33 is provided between the two pushing parts 31, the pushing groove 33 is used for being sleeved on the handle 100 of the switching device, and the two pushing parts 31 respectively push the handle 100 when the push rod moves. Preferably, the two pushing parts 31 are respectively provided with a rotatable roller 4, and the pushing parts 31 push the handle 100 through the rollers 4, so that the friction force is small.

Further, the connecting portion 32 is provided with a bending portion 34 extending to one side of the rocker arm away from the bracket 1, the bending portion 34 is connected with the rocker arm, the pushing portion 31 and the bending portion 34 are respectively located in two planes with different heights, and extend to one side of the rocker arm away from the bracket 1 through the bending portion 34 and then are connected with the rocker arm, so that the length in the transverse direction can be reduced. Specifically, the bending portion 34 includes a contact portion 35 that contacts with the rocker arm, the contact portion 35 is correspondingly disposed above the avoidance groove 16, the driving mechanism passes through the avoidance groove 16, the contact portion 35 is correspondingly disposed above the avoidance groove 16, the rocker arm and the contact portion 35 are respectively provided with a connecting hole 36 that is connected with a bolt, the rocker arm and the contact portion 35 are connected through the bolt, and the avoidance groove 16 can also play a role in avoiding the end portion of the bolt. Of course, the rocker arm and the contact portion 35 may be connected by other means, such as riveting, etc., which are within the scope of the present utility model.

Further, the rack is in interference connection with the rocker arm, a slot structure (not shown in the figure) is arranged on the rack, the rocker arm is provided with an insertion structure for being inserted into the slot structure in interference fit, the interference connection mode has the characteristic of convenient assembly, a guide structure (not shown in the figure) for limiting the two rocker arms to move along the length direction is arranged on the support 1, the guide structure can prevent the rocker arms from being inclined, and the guide structure can be two limiting blocks which are oppositely arranged, so that the rocker arms can move between the two limiting blocks, and the utility model belongs to the protection scope of the utility model.

Further, the switch further comprises two indication holes (not shown in the figure) which are respectively and correspondingly arranged with the two racks, and the positions of the racks can be observed through the indication holes, so that the switching-on and switching-off state of the switch electrical appliance can be judged.

When the motor 2 needs to move to the common position in fig. 3, the motor starts to rotate clockwise from the position in fig. 2 or 4, the shaft sleeve 10 drives the gear 9 to rotate, the gear 9 pushes the common rack 7 to move upwards, the common rack 7 drives the common rocker arm 5 and the push plate 3 to push the common switch 14 to close, the common rack 7 presses the common micro switch 6, the common micro switch 6 outputs a common closing signal, and the gear 9 rotates to enable the standby rack 11 to move downwards so as to prevent the standby switch 15 from closing;

when the motor 2 needs to move to the standby position of fig. 4, starting to rotate anticlockwise from the position of fig. 2 or 3, the shaft sleeve 10 drives the gear 9 to rotate, the gear 9 pushes the standby rack 11 to move upwards, the standby rack 11 drives the standby rocker arm 13 and the push plate 3 to push the standby switch 15 to switch on, the standby rack 11 drives the standby micro switch 12, the standby micro switch 12 outputs a common switch-on signal, and the gear 9 rotates to enable the common rack 7 to move downwards so as to prevent the common switch 14 from switching on;

when the movable rack is required to move to the double-split position of fig. 2, the symmetrical positions of the common rack 7 and the standby rack 11 are not contacted with the common micro switch 6 and the standby micro switch 12, no micro signal is output, and the gear 9 is used for locking the common rack 7 and preventing the common switch 14 and the standby switch 15 from being closed, so that the mechanical interlocking function is realized.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. The utility model provides a transmission of automatic transfer switching device which characterized in that: including support (1) and slide respectively and set up two racks on support (1), be equipped with two guide structures that are used for restricting two rack movement direction respectively on support (1) to and be located two micro-gap switches on two rack movement paths respectively, be equipped with rotatable gear (9) between two racks, gear (9) and two rack meshing, can drive two racks and remove along the direction that the respective guide structure restricted respectively when gear (9) rotate, two racks all are equipped with the actuating mechanism that is used for driving the action of switch electrical apparatus, and the rack is closed through actuating mechanism drive corresponding switch electrical apparatus when moving to the closing position, and triggers corresponding micro-gap switch.

2. The transmission device of an automatic transfer switching device according to claim 1, wherein: the support (1) is provided with two avoidance grooves (16) corresponding to the two driving mechanisms respectively, and the two avoidance grooves (16) are respectively used for avoiding a handle (100) of the switching device.

3. The transmission device of an automatic transfer switching device according to claim 1, wherein: the guide structure comprises a guide groove arranged on the support (1) and a sliding block (8) which penetrates through the guide groove in a sliding fit mode, the sliding block (8) is connected with the rack, the sliding block (8) is used for limiting the rack to move along the length direction of the guide groove, and a limiting part (80) which is in limiting fit with one side, far away from the support (1), of the rack is arranged on the sliding block (8).

4. The transmission device of an automatic transfer switching device according to claim 1, wherein: the driving mechanism comprises a push plate (3) and a rocker arm connected between the push plate (3) and the rack, and the push plate (3) is used for pushing a handle (100) of the switching device to act.

5. The transmission of an automatic transfer switching device as claimed in claim 4, wherein: the push plate (3) comprises two pushing parts (31) and a connecting part (32) connected between one ends of the two pushing parts (31), a pushing groove (33) is arranged between the two pushing parts (31), and the pushing groove (33) is used for being sleeved on a handle (100) of the switching electric appliance.

6. The transmission device of an automatic transfer switching device according to claim 5, wherein: the connecting part (32) is provided with a bending part (34) extending to one side of the rocker arm far away from the support (1), the bending part (34) is connected with the rocker arm, and the pushing part (31) and the bending part (34) are respectively positioned in two planes with different heights.

7. The transmission of an automatic transfer switching device as claimed in claim 6, wherein: the bending part (34) comprises a contact part (35) contacted with the rocker arm, the contact part (35) is correspondingly arranged above the driving mechanism, and the rocker arm is connected with the contact part (35) through a bolt.

8. The transmission device of an automatic transfer switching device according to claim 5, wherein: rotatable rollers (4) are respectively arranged on the two pushing parts (31), and the pushing parts (31) push the handle (100) through the rollers (4).

9. The transmission device of an automatic transfer switching device according to claim 1, wherein: the moving directions of the two racks are opposite, and only one rack can move to a corresponding closing position.

10. The transmission device of an automatic transfer switching device according to claim 1, wherein: the device also comprises two indication holes which are respectively and correspondingly arranged with the two racks.