CN203251137U - Operating Mechanism of Double Power Automatic Transfer Switch - Google Patents

Abstract

The utility model provides an operation mechanism of a double-power automatic switch, which comprises the following components: a motor, a motor shaft, a fixed connecting board, a turntable and a connecting shaft. The fixed connecting board is fixed on the motor. The motor shaft passes through the fixed connecting board and is rotatably matched with the fixed connecting board. The motor shaft passes through the connecting shaft and is fixedly connected with the connecting shaft. The connecting shaft passes through the turntable and is fixedly connected with the turntable. The turntable is provided with two pairs of guiding columns. Two sides of the fixed connecting board are provided with operation handles for pushing a switch. One end of the operation handle, which is next to the turntable, is provided with a pushing handle shaft, and the operation handle extends into the part between the two pairs of the guiding columns. The position relationship of the guiding columns on the turntable is characterized in that: when one pair of guiding columns cause the operation handle in an open position, the other pair of guiding columns causes the operation handle at the other side in a closed state. The operation mechanism of the double-power automatic switch provided by the utility model has the following beneficial effects: improving shape of the guiding column, reducing contact abrasion, nitriding the guiding column and the pushing handles, improving strength and wearing resistance of the material, and prolonging service life.

Description

Operating Mechanism of Double Power Automatic Transfer Switch

technical field

The utility model relates to an automatic switching operation mechanism of a double power supply automatic switching switch.

Background technique

The dual-power automatic transfer switch is a device that can reliably switch between two power sources, and the switching operating mechanism is an important parameter in the dual-power automatic transfer switch. The switching operation mechanism of the dual-power automatic transfer switch generally includes a motor, a fixed plate, a turntable, etc. The turntable is provided with a guide shaft. When the motor is started, the guide shaft pushes the operating handle to switch the switch. Both the guide shaft and the operating handle are made of ordinary iron, the hardness is not high, and the wear resistance is average. The guide shaft is a square column with a rectangular cross-section. When working, when the guide shaft pushes the operating handle, the edge of the guide shaft The contact between the surface and the cylindrical outer surface of the operating handle is very easy to cause wear to the cylindrical outer surface, which greatly shortens the service life of the machine.

Contents of the invention

The technical problem to be solved by the utility model is to provide an operating mechanism for a dual-power automatic switching switch, which can effectively overcome the defects in the background technology and prolong the service life of the machine.

The technical solution adopted by the utility model to solve the technical problem is: the operating mechanism of the dual power supply automatic switching switch, including a motor, a motor shaft, a fixed connection plate, a rotating disk, and a connection shaft, and the fixed connection plate is fixed on the motor. The fixed connection plate and the connection shaft are provided with a hole through which the shaft of the power supply passes. The motor shaft passes through the fixed connection plate and is rotatably matched with the fixed connection plate. The motor shaft passes through the connection shaft and is connected with the connection shaft. Fixed connection, the rotating disk is provided with a hole for the connecting shaft to pass through, and the connecting shaft passes through the rotating disk and is fixedly connected with the rotating disk;

The rotating disc is provided with two pairs of cylindrical guide columns, and the two pairs of guiding columns are symmetrically fixed on the surface of the rotating disc;

Both sides of the fixed connecting plate are provided with operating handles for pushing the switch, and the end of the operating handle close to the rotating disk is provided with a cylindrical pushing handle shaft, and the pushing handle shafts respectively extend into the two pairs of guide columns. between;

The positional relationship between the two pairs of guide posts on the rotating disk is: when one pair of guide posts pushes the handle shaft to make the operating handle on one side in the position of opening the switch, the other pair of guide posts pushes the handle shaft to make the other The operating handle on one side is in the position where the switch is closed.

A micro switch is arranged on the fixed connecting plate.

While adopting the above-mentioned technical solution, the utility model can also adopt or adopt the following further technical solutions in combination:

The fixed connection plate is provided with a micro-adjustment guide hole, the micro-adjustment guide hole is a waist-shaped hole, and the micro-switch is connected to the fixed connection plate through the micro-switch to adjust the fixed plate and the screw, and can Move within the confines of the waist-shaped hole.

The micro switch is provided with a micro switch lever on a side close to the rotating disk, and the rotating disk is provided with a limit protrusion cooperating with the micro switch lever.

The limit protrusions are symmetrically arranged on the edge of the rotating disk, and are respectively located between the same pair of guide posts. The positions of the two limit protrusions on the edge of the rotating disk meet the condition: When the handle shaft is pushed to make the operating handle switch on this side open or close the required angle, the limit protrusion located between the pair of guide posts will contact with the microswitch lever matched with it.

The guide column and the push handle shaft are made of iron and subjected to nitriding treatment.

The beneficial effects of the utility model are: 1. By improving the shape of the guide post, the contact wear between the guide post and the push handle shaft is reduced, and the guide post and the push handle shaft are made of ordinary iron Nitriding improves the strength and wear resistance of the material and greatly increases the service life of the machine.

2. The design of the waist-shaped hole enables the position of the micro switch on the fixed connecting plate to be fine-tuned within a certain range, and the limit can be flexibly adjusted to match the small gap in the size of the product components.

3. Through the cooperation of the micro switch lever on the micro switch and the limit protrusion on the rotating disk, it can limit the rotating disk, prevent the rotating disk from turning over, and play an effective role in protecting the operating mechanism. .

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of Embodiment 1 provided by the utility model.

Figure 2 is an exploded view of Figure 1.

FIG. 3 is a top view of FIG. 1 .

FIG. 4 is a schematic diagram of the overall structure of Embodiment 2 provided by the present invention.

FIG. 5 is an exploded view of FIG. 4 .

FIG. 6 is a top view of FIG. 4 .

Detailed ways

Embodiment 1, with reference to accompanying drawing 1-3.

The operating mechanism of the dual power supply automatic switching switch of the present utility model comprises a motor 10, a motor shaft 9, a fixed connection plate 1, a rotating disc 2, and a connection shaft 3, and the fixed connection plate 1 is fixed on the motor 10 by screws, and the The fixed connection plate 1 and the connection shaft 3 are respectively provided with holes through which the power supply shaft 9 passes, and the described motor shaft 9 passes through the fixed connection plate 1 and rotates with the fixed connection plate 1, and the described motor shaft 9 passes through Through the connecting shaft 3 and fixedly connected with the connecting shaft 3, the rotating disk 2 is provided with a hole for the connecting shaft 3 to pass through, and the connecting shaft 3 passes through the rotating disk 2 and is fixedly connected with the rotating disk 2 by screws , when the motor 10 starts, the rotating disc 2 rotates with the motor shaft 9 together with the connecting shaft 3 driven by the motor shaft 9 .

Two pairs of cylindrical guide pillars 4 are arranged on the rotating disk 2 , and the two pairs of guiding pillars 4 are symmetrically fixed on the surface of the rotating disk 2 .

Both sides of the fixed connection plate 1 are provided with an operating handle 11 to push the power switch to open or close. The operating handle 11 is provided with a cylindrical push handle shaft 12 at one end close to the rotating disk 2, and the push handle shaft 12 extends into two pairs of guide columns respectively. 4, when the rotating disk 2 rotates, the two pairs of guide columns 4 respectively move the push handle shaft 12 between them, thereby driving the operating handle 11 to switch between the open and closed positions of the power switch.

The positional relationship of the two pairs of guide columns 4 on the rotating disk 2 is: when one pair of guide columns 4 pushes the handle shaft 12 between them so that the operating handle 11 on one side is in the position of turning on the switch, the other pair of guide columns 4 The guide column 4 makes the operating handle 11 on the other side in the position of the switch closed state through the push handle shaft 12 between them; through such a positional relationship setting, the dual power supply automatic switching switch can be placed between the power supplies on both sides according to actual needs. to switch between options.

The guide post 4 and the push handle shaft 12 are made of iron and have been nitrided; the guide post 4 and the push handle shaft 12 are the parts with the most contact and wear in the whole mechanism. After nitriding, the strength and wear resistance of the material are improved, and the service life of the machine is greatly increased.

The fixed connection plate 1 is provided with a micro-adjustment guide hole 8, the micro-adjustment guide hole 8 is a waist-shaped hole, and the micro switch 7 and the micro switch adjustment fixed plate 5 are respectively arranged on the upper surface and the lower surface of the fixed connection plate 1 , the screw passes through the micro-adjustment guide hole 8 to fix the micro-switch 7 and the micro-switch adjustment fixing plate 5 on the fixed connection plate 1, the fixed position of the micro-switch 7 can be moved within the range of the waist-shaped hole, and can be adjusted flexibly The position limit is matched with the tiny gap in the size of the product components; the function of the micro switch to adjust the fixed plate 5 is to make the position of the micro switch 7 on the fixed connecting plate 1 fixed more firmly.

The micro switch 7 is provided with a micro switch lever 13 on a side close to the rotating disk 2, and the rotating disk 2 is provided with a limit protrusion 6 that cooperates with the micro switch lever 13; The limit projections 6 are symmetrically arranged on the edge of the rotating disk 2, and are respectively located between the same pair of guide posts 4, that is, two limit projections 6 are arranged on the edge of the rotating disk 2, and they are respectively located on the two pairs of guide columns. Between the guide posts 4, the position of the two limit protrusions 6 on the edge of the turntable 2 satisfies the condition: when the turntable turns over a pair of guide posts 4, by pushing the handle shaft 12, the switch of the operating handle 11 on this side is turned on Or when the required angle is closed, the limit protrusion 6 between the pair of guide columns 4 contacts with the microswitch lever 13 matched therewith. In this way, once the rotating disk 2 has turned over the angle required by the switch, the limit protrusion 6 will contact the corresponding microswitch lever 13, preventing the excessive rotation of the rotating disk 2, and preventing the guide post 4 from over-rotating with the push handle shaft 12. Wear and tear caused by extrusion effectively protects the machine.

During actual operation, start the motor 10, the motor shaft 9 rotates, and drives the connecting shaft 3 and the rotating disk 2 to rotate, and the guide post 4 on the rotating disk 2 moves and pushes the handle shaft 12, so that the operating handle 11 pushes the power supply 14 to open the switch Switching to the closed state, the switching direction of the power supply is unified, assuming that the upward is open and the downward is closed, as shown in Figure 3, when the operating handle 11 on one side is pushed upward, the operating handle 11 on the other side is pushed downward , to realize the switching of the power supply on both sides.

Embodiment 2, with reference to accompanying drawing 4-6.

The switching operation mechanism of the utility model can also be used for the automatic switch of a single power supply. 10 starts, the motor shaft 9 drives the connecting shaft 3 and the rotating disk 2 to rotate, and the guide column 4 on the rotating disk 2 is moved to push the handle shaft 12, so that the operating handle 11 pushes the power supply 14 to switch between the open and closed states of the switch.

The reference numerals in Fig. 4-6 have the same meanings as those in Fig. 1-3.

The above-mentioned embodiments are used to further illustrate the utility model, but the utility model is not limited to these specific implementations. Those skilled in the art should realize that the present invention covers all alternatives, improvements and equivalents that may be included within the scope of the claims.

Claims (5)

1. the operating mechanism of double power supply automatic switching switch, comprise motor (10), motor shaft (9), fixed connecting plate (1), rolling disc (2), connecting axle (3), it is characterized in that: described fixed connecting plate (1) is fixed on the motor (10), described motor shaft (9) passes fixed connecting plate (1) and is rotatably assorted with fixed connecting plate (1), described motor shaft (9) passes connecting axle (3) and is fixedly connected with connecting axle (3), and described connecting axle (3) passes rolling disc (2) and is fixedly connected with rolling disc (2);

Described rolling disc (2) is provided with two pairs of columniform leads (4), and described two pairs of leads (4) are fixed on rolling disc (2) surface symmetrically;

The both sides of described fixed connecting plate (1) are provided with the operating grip (11) of pull switch, described operating grip (11) is being provided with columniform driving handle axle (12) near rolling disc (2) one ends, and described driving handle axle (12) stretches into respectively between two pairs of leads (4);

Described two pairs of leads (4) at the position relationship on the rolling disc (2) are: when a pair of lead (4) wherein by driving handle axle (12) so that the operating grip of a side (11) when being in the position of opening switch, another to lead (4) then by driving handle axle (12) so that the operating grip of opposite side (11) is in the position of switch closed condition;

Described fixed connecting plate (1) is provided with sensitive switch (7).

2. the operating mechanism of double power supply automatic switching switch according to claim 1, it is characterized in that: described fixed connecting plate (1) is provided with micro-positioning regulators pilot hole (8), described micro-positioning regulators pilot hole (8) is mounting hole, sensitive switch (7) is connected on the fixed connecting plate (1) by sensitive switch adjustment fixing plate (5) and screw, and can move in the scope of described mounting hole.

3. the operating mechanism of double power supply automatic switching switch according to claim 1, it is characterized in that: described sensitive switch (7) is provided with sensitive switch lever (13) in the side near described rolling disc (2), and described rolling disc (2) is provided with the spacing preiection (6) that cooperates with described sensitive switch lever (13).

4. the operating mechanism of double power supply automatic switching switch according to claim 3, it is characterized in that: described spacing preiection (6) is arranged on the edge of rolling disc (2) symmetrically, and lays respectively at between a pair of lead (4).

5. the operating mechanism of double power supply automatic switching switch according to claim 1 is characterized in that: described lead (4) and driving handle axle (12) adopt iron to make, and through nitrogen treatment.

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