Dual-power automatic change-over switch mechanism

Abstract

The utility model relates to the field of automatic change-over switches, and discloses a dual-power automatic change-over switch mechanism, which comprises a motor, a support fixed on the motor, a first incomplete gear fixedly connected to the output end of the motor, a second incomplete gear rotationally arranged on the support and meshed with the first incomplete gear, and a shaft rod fixed on the second incomplete gear. A rotating assembly is fixedly connected to the shaft rod and comprises two rotating pieces, symmetrically-distributed connecting shafts are rotationally arranged on the rotating pieces, the connecting shafts are fixed between the two rotating pieces, a first connecting rod mechanism and a second connecting rod mechanism are rotationally arranged on the rotating assembly, and the second connecting rod mechanism comprises a first connecting rod and a second connecting rod which are in sliding connection. The first connecting rod mechanism and the second connecting rod mechanism are the same in structure. According to the utility model, the rotating assembly is arranged on the shaft rod, the rotating assembly is used for driving the two connecting rod mechanisms to move, the connecting rod mechanisms drive the movable assembly to rotate, and the limiting groove is matched with the limiting rod, so that the opening and closing positions of the mechanism are accurate, and a reliable mechanical interlocking function is formed.

Description

Technical Field

[0001] The utility model relates to the field of automatic transfer switches, in particular to a dual-power automatic transfer switch mechanism. Background Art

[0002] The switching mechanism of a dual-power automatic transfer switch, consisting of two sets of disconnectors, typically consists of two linkages, each driven by a separate rotation mechanism. One linkage controls the opening and closing of the primary switch, while the backup switch is driven by a second, identical linkage. Because the linkages are stacked one above the other and oriented in the same direction, the positions of their rotation axes are asymmetrical. This results in a deviation between the angles at which the linkages drive the primary closing and backup closing switches, and also leads to significant deviations in the opening positions.

[0003] The switching mechanism of a dual-power automatic transfer switch, consisting of two sets of disconnect switches, typically uses two sets of linkage mechanisms to drive the switches separately. This requires space for both the primary and backup power sources, requiring the linkage mechanisms to move freely, which increases the size of the switch.

[0004] The driving link mechanism of a dual-power automatic transfer switch typically features a movable slot on the end of the connecting rod. A rotating plate drives one end of the connecting rod slot to compress a compression spring. When the compression spring releases, a rotating plate located at the other end of the connecting rod slot prepares the mechanism for reverse compression. When the connecting rod mechanism releases, sufficient space must be provided on both sides of the rotating shaft to ensure the mechanism releases properly, primarily during the closing phase of the switch. This requires a significant amount of space for the mechanism.

[0005] The compression spring of the existing dual power automatic transfer switch is achieved by pushing the spring baffle at the front end of the spring through the connecting plate. During the compression process, the connecting plate is subjected to force, resulting in inflexible movement and even jamming, which can easily lead to unstable conversion process. Utility Model Content

[0006] The purpose of the utility model is to provide a dual power automatic transfer switch mechanism to solve the problems in the prior art.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A dual power automatic transfer switch mechanism includes a motor, a bracket fixedly provided on the motor, an incomplete gear 1 fixedly connected to the output end of the motor, an incomplete gear 2 rotatably provided on the bracket, and the incomplete gear 2 meshing with the incomplete gear 1.

[0009] A shaft is fixed on the incomplete gear 2, and a rotating assembly is fixed on the shaft. The rotating assembly includes two rotating plates. The rotating plates are rotatably provided with symmetrically distributed connecting shafts, and the connecting shafts are fixed between the two rotating plates. A connecting rod mechanism 1 and a connecting rod mechanism 2 are rotatably provided on the rotating assembly. The connecting rod mechanism 2 includes a connecting rod 1 and a connecting rod 2 that are slidably connected. The structures of the connecting rod mechanism 1 and the connecting rod mechanism 2 are the same.

[0010] Furthermore, a limiting rod is fixed on the bracket, the limiting rod is located on one side of the incomplete gear 2, and limiting grooves are symmetrically provided on the incomplete gear 2, and the limiting grooves cooperate with the limiting rod.

[0011] Furthermore, a shaft sleeve is fixed between the two rotating pieces, and the shaft rod is connected to the shaft sleeve.

[0012] Furthermore, one end of the connecting rod is rotatably connected to the connecting shaft, and the other end is rotatably connected to the movable component.

[0013] Furthermore, at least one straight groove is provided on the connecting rod 1, a sliding rod is slidably provided in the straight groove, and the sliding rod is fixedly connected to the connecting rod 2.

[0014] Furthermore, the movable component includes a connecting rod, which is rotatably connected to the connecting rod 2, a movable rod 1 is rotatably provided on the connecting rod, a movable rod 2 is slidably provided on the connecting rod, a spring baffle is provided on the movable rod 2, a pressure plate is fixed on the connecting rod, a spring is provided on the movable rod 1, and one end of the spring is connected to the spring baffle.

[0015] Beneficial effects of the utility model:

[0016] 1. The automatic transfer switch mechanism of this utility model is to install a rotating assembly on the shaft, use the rotating assembly to drive the movement of two connecting rod mechanisms, and the connecting rod mechanisms drive the movable assembly to rotate to perform the corresponding dual power supply opening and closing operations. In addition, the first and second connecting rods are slidably connected, so the transmission is stable and non-hysteretic, and the movement is flexible.

[0017] 2. The automatic transfer switch mechanism of the utility model has a simple structure and a stable transmission process. It uses the engagement of incomplete gear 1 and incomplete gear 2 for driving. At the same time, the limit groove and the limit rod cooperate to ensure that the opening and closing positions of the mechanism are accurate, forming a reliable mechanical interlocking function. The incomplete gear 2 stops after it is converted to the required angle, preventing the conversion position deviation and over-travel damage to the mechanism during manual conversion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the structure of the automatic transfer switch mechanism of the utility model;

[0020] Figure 2This is a partial structural diagram of the automatic transfer switch mechanism of the utility model;

[0021] Figure 3 It is a structural diagram of the rotating assembly of the utility model;

[0022] Figure 4 It is a top view of the automatic transfer switch mechanism of the utility model;

[0023] Figure 5 This is a schematic structural diagram of the second connecting rod mechanism of the utility model;

[0024] Figure 6 It is a partial structural diagram of the automatic transfer switch mechanism of the utility model. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] A dual power automatic transfer switch mechanism is used in dual power equipment to drive and control the dual power equipment, such as Figures 1-6 As shown, the automatic transfer switch mechanism includes a motor 1, a bracket 12 is fixedly provided on the motor 1, the motor 1 is fixedly installed on one side of the bracket 12, and the output end of the motor 1 passes through the bracket 12 and is fixedly connected to an incomplete gear 1 13, and an incomplete gear 2 21 is rotatably provided on the bracket 12 and located on one side of the incomplete gear 1 13, and the incomplete gear 2 21 is engaged with the incomplete gear 1 13.

[0027] When the motor 1 drives the incomplete gear 13 to rotate, the incomplete gear 2 21 is driven to rotate by the incomplete gear 13. A limit rod 22 is fixed on the bracket 12. The limit rod 22 is located on one side of the incomplete gear 2 21, and the incomplete gear 2 21 is provided with symmetrically distributed limit grooves. During the rotation of the incomplete gear 2 21, the limit groove cooperates with the limit rod 22 to ensure the limit position of the incomplete gear 2 21, so that the automatic transfer switch mechanism is switched to the correct position, the mechanism's opening and closing positions are accurate, and a reliable mechanical interlocking function is formed.

[0028] The axis of the incomplete gear 2 21 is fixedly installed with a shaft rod, which passes through the bracket 12 and is fixedly connected to the rotating component 3. The rotating component 3 includes two rotating plates 31, each of which is provided with an axis groove. A shaft sleeve 33 is fixed between the two rotating plates 31. The two ends of the shaft sleeve 33 are connected to the axis groove. The shaft rod passes through the axis groove and the shaft sleeve 33, so that the incomplete gear 2 21 drives the rotating component 3 to rotate.

[0029] The rotating piece 31 is rotatably provided with connecting shafts 32 which are symmetrically distributed. The connecting shafts 32 are fixedly installed between the two rotating pieces 31 .

[0030] A connecting rod mechanism 1 4 and a connecting rod mechanism 2 5 are rotatably provided on the rotating component 3. The connecting rod mechanism 1 4 and the connecting rod mechanism 2 5 are symmetrically connected to the rotating component 3 and have the same structure. One end of the connecting rod mechanism 1 4 is rotatably connected to a connecting shaft 32, and the other end is rotatably connected to the movable component. The other connecting shaft 32 is rotatably connected to the connecting rod mechanism 2 5.

[0031] The connecting rod mechanism 2 5 includes a connecting rod 1 50 and a connecting rod 2 53. One end of the connecting rod 1 50 is rotatably connected to the connecting shaft 32, and the connecting rod 2 53 is rotatably connected to the movable component. At least one straight groove is provided on the connecting rod 1 50, and a sliding rod 58 is slidably provided in the straight groove. The sliding rod 58 is fixedly connected to the connecting rod 2 53.

[0032] The movable component includes a connecting rod 56, which is rotatably connected to the connecting rod 2 53. A movable rod 1 54 is rotatably provided on the connecting rod 56, a movable rod 2 51 is slidably provided on the connecting rod 56, a spring baffle 57 is provided on the movable rod 2 51, and a pressure plate 55 is fixed on the connecting rod 56. The pressure plate 55 limits the movable rod 1 54, the movable rod 2 51 and the connecting rod 2 53 on the connecting rod 56. A spring 52 is mounted on the movable rod 1 54, one end of the spring 52 is connected to the spring baffle 57, and the position of the spring 52 is limited by the spring baffle 57.

[0033] Here's how it works:

[0034] The motor 1 drives the incomplete gear 1 13 to engage the incomplete gear 2 21 to rotate the shaft, and the two sets of vertically symmetrical rotating pieces 31 rotate synchronously with the shaft, driving the two movable connecting shafts 32 to move, thereby realizing the compression and release of the connecting rod mechanism.

[0035] The two linkages are symmetrically designed, and driven by the same rotating assembly 3, the incomplete gear 21 on the shaft cooperates with the mechanical limit rod 22 to ensure accurate opening and closing positions of the mechanism, forming a reliable mechanical interlocking function. The incomplete gear 21 stops after reaching the required angle, preventing position deviation during switching and damage to the mechanism due to overtravel during manual switching.

[0036] The connecting rod mechanism 2 5 is composed of a connecting rod 1 50 and a connecting rod 2 53 that are slidably connected. During the conversion control process, the connecting rod 1 50 is stably rotated and connected to the connecting shaft 32 without any sticking. In addition, the connecting rod 1 50 and the connecting rod 2 53 are slidably connected, which can realize the drive control of the conversion mechanism, meet the process requirements of the conversion mechanism, and have flexible and reliable activities and stable transmission without delay.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A dual power automatic transfer switch mechanism, comprising a motor (1), characterized in that: The motor (1) is fixedly provided with a bracket (12), an incomplete gear 1 (13) is fixedly connected to the output end of the motor (1), an incomplete gear 2 (21) is rotatably provided on the bracket (12), and the incomplete gear 2 (21) is meshed with the incomplete gear 1 (13); A shaft is fixed on the incomplete gear 2 (21), and a rotating assembly (3) is fixed on the shaft. The rotating assembly (3) includes two rotating plates (31). The rotating plates (31) are rotatably provided with connecting shafts (32) that are symmetrically distributed. The connecting shaft (32) is fixed between the two rotating plates (31). A connecting rod mechanism 1 (4) and a connecting rod mechanism 2 (5) are rotatably provided on the rotating assembly (3). The connecting rod mechanism 2 (5) includes a connecting rod 1 (50) and a connecting rod 2 (53) that are slidably connected. The structures of the connecting rod mechanism 1 (4) and the connecting rod mechanism 2 (5) are the same.

2. A dual power automatic transfer switch mechanism according to claim 1, characterized in that: A limiting rod (22) is fixed on the bracket (12), and the limiting rod (22) is located on one side of the incomplete gear 2 (21). The incomplete gear 2 (21) is symmetrically provided with limiting grooves, and the limiting grooves cooperate with the limiting rod (22).

3. A dual power automatic transfer switch mechanism according to claim 1, characterized in that: A shaft sleeve (33) is fixed between the two rotating pieces (31), and the shaft rod is connected to the shaft sleeve (33).

4. A dual power automatic transfer switch mechanism according to claim 1, characterized in that: One end of the connecting rod (50) is rotatably connected to the connecting shaft (32), and the other end is rotatably connected to a movable component.

5. A dual power automatic transfer switch mechanism according to claim 4, characterized in that: The connecting rod 1 (50) is provided with at least one straight groove, in which a sliding rod (58) is slidably provided, and the sliding rod (58) is fixedly connected to the connecting rod 2 (53).

6. A dual power automatic transfer switch mechanism according to claim 5, characterized in that: The movable assembly includes a connecting rod (56), the connecting rod (56) is rotatably connected to the second connecting rod (53), a movable rod (54) is rotatably provided on the connecting rod (56), and a movable rod (51) is slidably provided on the connecting rod (56). The second movable rod (51) is provided with a spring baffle (57), and the connecting rod (56) is fixed with a pressure plate (55). A spring (52) is provided on the movable rod (54), and one end of the spring (52) is connected to the spring baffle (57).

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