CN220627635U

CN220627635U - Dual-power transfer switch

Info

Publication number: CN220627635U
Application number: CN202322361077.9U
Authority: CN
Inventors: 南乐余
Original assignee: Yueqing Donghai Electric Appliance Co ltd
Current assignee: Yueqing Donghai Electric Appliance Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-03-19
Anticipated expiration: 2033-08-31

Abstract

The utility model provides a dual power transfer switch, comprising: the switch body is provided with an indication window; the indication piece is slidably arranged on the switch body and is provided with a rack and an indication mark which is arranged corresponding to the indication window; the driving shaft is suitable for driving the contact mechanism to act, a tooth-shaped piece which rotates in linkage with the driving shaft is arranged on the driving shaft, and the tooth-shaped piece is provided with a tooth part meshed with the rack. When the drive shaft rotates, the tooth part on the tooth-shaped part is matched with the rack on the indicating part, so that the indicating part is driven to move, different indication marks on the indicating part are correspondingly arranged with the indication window, and thus, workers can intuitively know the working state of the switch, misoperation is not easy, and the safety performance is higher.

Description

Dual-power transfer switch

Technical Field

The utility model relates to the technical field of dual power supplies, in particular to a dual power supply change-over switch.

Background

The double-power change-over switch is used for ensuring continuous power supply of the power supply, and can be switched on and off the standby power supply through the double-power change-over switch when the common power supply suddenly fails or fails, so that the electric equipment can still normally operate.

The dual-power transfer switch has common and standby working states, so that working states of the dual-power transfer switch are difficult to visually know for on-site workers, misoperation is easy to occur, and equipment and personal safety are affected.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defects that the double-power transfer switch in the prior art is easy to operate by mistake and affects the safety of equipment and personnel, thereby providing the double-power transfer switch with high safety performance.

The utility model provides a dual-power transfer switch, which comprises a switch body, an indicating piece and a driving shaft, wherein the switch body is provided with an indicating window; the indication piece is slidably arranged on the switch body and is provided with a rack and an indication mark which is arranged corresponding to the indication window; the driving shaft is suitable for driving the contact mechanism to act, a tooth-shaped piece which rotates in linkage with the driving shaft is arranged on the driving shaft, and the tooth-shaped piece is provided with a tooth part meshed with the rack.

The switch body is provided with a first micro switch and a second micro switch which are respectively arranged at two sides of the driving shaft and can be driven by an actuating piece to switch working states, wherein the actuating piece is matched with the first micro switch when the switch body is in a common working state; when the switch body is in a standby working state, the actuating piece is matched with the second micro switch.

The actuating piece is the tooth part, wherein when the switch body is in a common working state, one side of the tooth part is matched with the deflector rod of the first micro switch; when the switch body is in a standby working state, the tooth part is matched with the deflector rod of the second micro switch.

The actuating piece is the indicating piece, wherein when the switch body is in a common working state, one end of the moving direction of the indicating piece is matched with the deflector rod of the first micro switch; when the switch body is in a standby working state, the other end of the moving direction of the indicating piece is matched with the deflector rod of the second micro switch.

The indicating piece is in sliding fit with the switch body through a guide structure, and the guide structure comprises a sliding groove arranged on the indicating piece and at least one guide piece which is arranged on the switch body and can be inserted into the sliding groove.

The guide members are two, and the two guide members are arranged at intervals along the horizontal direction.

The guide piece is a cylinder integrally formed on the switch body.

The switch body is provided with a motor which is suitable for driving the driving shaft to rotate.

The driving shaft is sleeved with a cam which rotates in a linkage way, and the cam is provided with an inserting hole for inserting an operating handle or a screwdriver.

The technical scheme of the utility model has the following advantages:

1. the dual-power transfer switch provided by the utility model comprises the switch body, the indicating piece and the driving shaft, when the driving shaft rotates, the tooth parts on the tooth-shaped piece are matched with the racks on the indicating piece, so that the indicating piece is driven to move, different indicating marks on the indicating piece are correspondingly arranged with the indicating window, thus a worker can intuitively know the working state of the switch, misoperation is not easy, and the safety performance is higher.

2. According to the dual-power transfer switch provided by the utility model, the actuating part is the tooth part or the indicating part, and the tooth part or the indicating part can be matched with the deflector rods of the two microswitches, so that other parts are not needed, the structure is simpler, and the production cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a dual power transfer switch of the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a perspective view of the housing of FIG. 1 with portions removed;

fig. 4 is a perspective view of another embodiment of two microswitches of a dual power transfer switch.

Reference numerals illustrate: 1. a switch body; 2. an indication window; 3. an indicator; 4. a rack; 5. a drive shaft; 6. a tooth; 7. a tooth portion; 8. a first microswitch; 9. a second microswitch; 10. a chute; 11. a guide member; 12. a motor; 13. a cam; 14. and a jack.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

The present embodiment provides a dual power transfer switch, as shown in fig. 2, including a switch body 1, an indicator 3, a motor 12, a first micro switch 8, a second micro switch 9, and a cam 13.

The switch body 1 is provided with an indication window 2.

An indicator 3 slidably mounted on the switch body 1, as shown in fig. 1 and 2, the indicator 3 having a rack 4 provided on the back surface thereof and an indication mark provided on the front surface thereof and provided corresponding to the indication window 2. The indicator 3 is in sliding fit with the switch body 1 through a guide structure, the guide structure comprises a chute 10 arranged on the indicator 3, and two guide pieces 11 which are arranged on the switch body 1 and can be inserted into the chute 10, the two guide pieces 11 are arranged at intervals along the horizontal direction, and in the embodiment, the guide pieces 11 are integrally formed in a cylinder on the switch body 1.

A motor 12 fixed on the switch body 1 and provided with a driving shaft 5 driven to rotate by the motor, wherein the driving shaft 5 is suitable for driving the contact mechanism to act, as shown in fig. 3, the driving shaft 5 is provided with a tooth-shaped piece 6 and a cam 13 which are in linkage rotation with the driving shaft, the tooth-shaped piece 6 is provided with a tooth part 7 meshed with the rack 4, and the cam 13 is provided with an inserting hole 14 for an operating handle or a screwdriver to be inserted. In this embodiment, the driving shaft 5 is a waist-shaped shaft, the tooth-shaped member 6 and the cam 13 are provided with waist-shaped holes matched with the waist-shaped shaft, as an alternative embodiment, the driving shaft 5 can be a square shaft, and the tooth-shaped member 6 and the cam 13 are provided with square holes matched with the square shaft, so that linkage matching is realized. It should be noted that, the motor 12 drives the contact mechanism through the driving shaft 5 as in the prior art, so the specific structure and the working principle thereof will not be described in detail.

The first micro switch 8 and the second micro switch 9 are fixed on the switch body 1 and are respectively arranged at two sides of the driving shaft 5, and the first micro switch 8 and the second micro switch 9 can be driven by an actuating piece to switch the first micro switch 8 and the second micro switch 9 in working states, wherein the actuating piece is matched with the first micro switch 8 when the switch body 1 is in a common working state; when the switch body 1 is in a standby working state, the actuating piece is matched with the second micro switch 9. In this embodiment, the actuating member is the tooth portion 7, where, when the switch body 1 is in a normal working state, one side of the tooth portion 7 is matched with a lever of the first micro switch 8; when the switch body 1 is in a standby working state, the tooth part 7 is matched with a deflector rod of the second micro switch 9. In this embodiment, the first micro switch 8 and the second micro switch 9 are used for controlling the motor 12 to stop working, and when the driving shaft 5 rotates anticlockwise to switch the normal working state, one side of the tooth part 7 is matched with the shift lever of the first micro switch 8, so as to control the motor 12 to stop working; when the driving shaft 5 rotates clockwise to switch the inner working state, the other side of the tooth part 7 is matched with the deflector rod of the second micro switch 9, so that the motor 12 is controlled to stop working. It should be noted that, the first micro switch 8 and the second micro switch 9 may also be used to control an indicator light, for example, when the switch is switched to a normal or standby working state, the corresponding indicator light will be turned on, so as to prompt a worker, and for those skilled in the art, the control function of the micro switch may be flexibly selected according to the actual requirement.

As an alternative embodiment, as shown in fig. 4, the actuating member is the indicator 3, where when the switch body 1 is in a normal working state, one end of the moving direction of the indicator 3 is matched with the deflector rod of the first micro switch 8; when the switch body 1 is in a standby working state, the other end of the moving direction of the indicator 3 is matched with the deflector rod of the second micro switch 9.

The dual-power transfer switch provided by the utility model comprises the switch body 1, the indicating piece 3 and the driving shaft 5, when the driving shaft 5 rotates, the tooth part 7 on the tooth-shaped piece 6 is matched with the rack 4 on the indicating piece 3, so that the indicating piece 3 is driven to move, different indication marks on the indicating piece 3 are correspondingly arranged with the indication window, thus a worker can intuitively know the working state of the switch, misoperation is not easy, and the safety performance is higher.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A dual power transfer switch, comprising:

a switch body (1) provided with an indication window (2);

an indicator (3) slidably mounted on the switch body (1), the indicator (3) having a rack (4) and an indication mark provided corresponding to the indication window (2);

the driving shaft (5) is suitable for driving the contact mechanism to act, a tooth-shaped piece (6) which rotates in a linkage way is arranged on the driving shaft (5), and the tooth-shaped piece (6) is provided with a tooth part (7) meshed with the rack (4).

2. The dual power transfer switch according to claim 1, wherein the switch body (1) is provided with a first micro switch (8) and a second micro switch (9) which are respectively arranged at two sides of the driving shaft (5) and can be driven by an actuating piece to switch working states, wherein the actuating piece is matched with the first micro switch (8) when the switch body (1) is in a common working state; when the switch body (1) is in a standby working state, the actuating piece is matched with the second micro switch (9).

3. The dual power transfer switch according to claim 2, characterized in that the actuating member is the tooth (7), wherein one side of the tooth (7) cooperates with a lever of the first microswitch (8) when the switch body (1) is in a normal operating state; when the switch body (1) is in a standby working state, the tooth part (7) is matched with a deflector rod of the second micro switch (9).

4. The dual power transfer switch according to claim 2, wherein the actuating member is the indicator member (3), wherein when the switch body (1) is in a normal operation state, one end of the indicator member (3) in the moving direction is engaged with the lever of the first microswitch (8); when the switch body (1) is in a standby working state, the other end of the moving direction of the indicating piece (3) is matched with the deflector rod of the second micro switch (9).

5. A dual power transfer switch according to any of claims 1-4, characterized in that the indicator member (3) is in sliding fit with the switch body (1) by means of a guiding structure comprising a chute (10) provided on the indicator member (3) and at least one guiding member (11) on the switch body (1) insertable into the chute (10).

6. A dual power transfer switch according to claim 5, characterized in that there are two of said guides (11), two of said guides (11) being arranged at intervals in the horizontal direction.

7. The dual power transfer switch according to claim 5, characterized in that the guide (11) is a cylinder integrally formed on the switch body (1).

8. A dual power transfer switch according to claim 1, characterized in that the switch body (1) is provided with a motor (12) adapted to drive the drive shaft (5) in rotation.

9. The dual power transfer switch according to claim 1, wherein the driving shaft (5) is sleeved with a cam (13) which rotates in linkage with the driving shaft, and the cam (13) is provided with a jack (14) for inserting an operating handle or a screwdriver.