Double-handle master controller

Abstract

The utility model relates to a double-handle master controller, which comprises a mechanism frame, two contact groups and an operating mechanism, the operating mechanism comprises two crankshafts which are rotatably arranged on the mechanism frame respectively, two operating rods which are arranged on the two crankshafts in a linkage manner, two double-end gears which are in linkage fit with the two crankshafts respectively, and two driving gears which are arranged on main shafts of the two contact groups and are meshed with the two double-end gears respectively; the two groups of self-resetting assemblies are respectively arranged on the mechanism frame and are matched with the two crankshafts, each self-resetting assembly comprises two self-resetting plates and a self-resetting spring group, a shifting shaft is arranged between the other ends, corresponding to the two self-resetting plates, of the crankshafts, moves along with the crankshafts and is respectively propped against the other ends of the two self-resetting plates, and the self-resetting spring groups are arranged between the two self-resetting plates. And the two self-resetting plates are in linkage fit with the shifting shaft. The utility model has the advantages of simple structure, stable and reliable performance, convenient operation and convenient assembly.

Description

Technical Field

[0001] The utility model relates to a master command controller, in particular to a double-handle master command controller. Background Art

[0002] The master controller (also known as the master switch) is mainly used in electrical transmission devices to open and close contacts in a certain order to achieve the purpose of issuing commands or other control circuit interlocking and conversion. It is suitable for frequently connecting and disconnecting circuits, and is often used in conjunction with magnetic starters to remotely control the starting, braking, speed regulation and reversing of wound-rotor asynchronous motors. It is widely used in the control systems of traction motors of various types of lifting machinery. The master controller includes a mechanism frame, an operating mechanism arranged on the mechanism frame, and a contact system arranged in the mechanism frame. The existing double-handle master controller has a complex structural design of the self-resetting component, which leads to a large resistance to the toggling and resetting of the joystick of the operating mechanism, and is inconvenient to operate. In addition, the double-handle master controller also has the defects of complex structure, cumbersome assembly, and unreliable performance. Summary of the invention

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a double-handle master controller with simple structure, stable and reliable performance, convenient operation and convenient assembly.

[0004] To achieve the above-mentioned purpose, the utility model adopts a double-handle main command controller, including a mechanism frame, two groups of contact groups respectively arranged on the mechanism frame, and an operating mechanism arranged on the mechanism frame for controlling the closing of the two groups of contact groups. The operating mechanism includes two crankshafts respectively rotatably arranged on the mechanism frame, two joysticks linked to the two crankshafts, two double-headed gears respectively linked to the two crankshafts, two driving gears arranged on the main shafts of the two groups of contact groups and respectively meshed with the two double-headed gears, and two groups of self-resetting components respectively arranged on the mechanism frame and matched with the two crankshafts. The self-resetting components include two self-resetting plates rotatably arranged on the mechanism frame, a self-resetting spring group arranged between one ends of the two self-resetting plates, a toggle shaft between the other ends of the two self-resetting plates on the crankshaft, the toggle shaft moves with the crankshaft and respectively abuts against the other ends of the two self-resetting plates, and constitutes a linkage cooperation between the two self-resetting plates and the toggle shaft.

[0005] The beneficial effects of the above structure are: two crankshafts are driven to move by two joysticks, and the two crankshafts drive two groups of contact groups through double-headed gears and driving gears respectively, thereby realizing the opening and closing of the two groups of contact groups. The structural design of the operating mechanism is simple and the operation is more convenient. In addition, two groups of self-reset components matched with the two crankshafts are arranged in the mechanism frame. When the operator moves the joystick, the joystick drives the crankshaft to move, and the crankshaft drives the self-reset plate to move through the toggle shaft. The self-reset plate compresses the self-reset spring group. When the operator releases the joystick, the self-reset spring group drives the crankshaft and the joystick to automatically reset. Thereby realizing the automatic reset of the joystick, the operation is more convenient, and the operation feel is better. Therefore, the double-handle master controller has the advantages of simple structure, stable and reliable performance, convenient operation, and convenient assembly.

[0006] In particular, the self-resetting spring group includes a first push rod arranged on one end of one of the self-resetting plates, a second push rod arranged on one end of the other self-resetting plate, and a self-resetting spring sleeved on the first push rod and the second push rod, the second push rod is provided with a guide groove matched with the first push rod, one end of the first push rod is inserted into the guide groove, and a sliding connection is formed between the first push rod and the second push rod. The self-resetting spring group adopts a modular structure design, so as to facilitate the assembly of the self-resetting spring group and the two self-resetting plates, the assembly efficiency is higher, and it can ensure that the self-resetting plates can drive the two crankshafts to reset reliably.

[0007] In particular, two positioning pins are provided on the mechanism frame corresponding to the two self-resetting plates, and positioning arc grooves are provided in the middle of the two self-resetting plates. The positioning pins are inserted into the positioning arc grooves and form a rotational connection and cooperation between the self-resetting plates and the positioning pins. The two self-resetting plates are engaged with the positioning pins of the mechanism frame through the positioning arc grooves, thereby facilitating the assembly of the two self-resetting plates with the mechanism frame, and ensuring that the two self-resetting plates can rotate reliably on the mechanism frame, which is beneficial to improving the working reliability of the self-resetting assembly.

[0008] In particular, a shaft sleeve is provided on the toggle shaft, and a driving plane matched with the shaft sleeve is provided on the other end of the two self-resetting plates. The shaft sleeve moves with the toggle shaft and contacts the driving plane, and forms a linkage match between the two self-resetting plates and the shaft sleeve. The toggle shaft drives the two self-resetting plates through the shaft sleeve, and the shaft sleeve contacts the driving plane of the self-resetting plate, which can avoid the shaft sleeve and the driving plane from being stuck, thereby ensuring that the transmission between the shaft sleeve and the two self-resetting plates is more reliable.

[0009] In particular, the two crankshafts are respectively provided with a section of arc-shaped teeth, and the two double-headed gears are respectively provided with two transmission gears meshing with the arc-shaped teeth of the two crankshafts, and the two transmission gears and the two crankshafts are linked. The two crankshafts drive the two double-headed gears through the arc-shaped teeth, thereby ensuring that the two crankshafts can reliably drive the two double-headed gears, which is conducive to improving the working reliability of the dual-handle master controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a stereogram of an embodiment of the utility model.

[0011] Figure 2 It is a cross-sectional view of an embodiment of the utility model.

[0012] Figure 3 This is an internal structure diagram of an embodiment of the utility model.

[0013] Figure 4 It is a structural diagram of the self-resetting component of an embodiment of the utility model. DETAILED DESCRIPTION

[0014] like Figures 1 to 4 As shown, the embodiment of the utility model is a double-handle master controller, including a mechanism frame 10, two groups of contact groups 11 respectively arranged on the mechanism frame 10, and an operating mechanism 20 arranged on the mechanism frame for controlling the opening and closing of the two groups of contact groups 11. The operating mechanism 20 includes two crankshafts 21 respectively arranged on the mechanism frame 10, two joysticks 22 linked to the two crankshafts 21, two double-headed gears 23 respectively linked to the two crankshafts 21, and two gears 23 arranged on the main shafts 111 of the two groups of contact groups 11 and respectively meshed with the two double-headed gears 23. A driving gear 24, two groups of self-resetting components 30 are respectively arranged on the mechanism frame 10 and matched with the two crankshafts 21, the self-resetting components 30 include two self-resetting plates 31 rotatably arranged on the mechanism frame 10, a self-resetting spring group 32 arranged between one ends of the two self-resetting plates 31, and a toggle shaft 211 between the other ends of the two self-resetting plates 31 on the crankshaft 21. The toggle shaft 211 moves with the crankshaft 21 and respectively contacts the other ends of the two self-resetting plates 31, and constitutes a linkage cooperation between the two self-resetting plates 31 and the toggle shaft 211.

[0015] like Figure 2 , 3As shown in Figure 4, the self-resetting spring group 32 includes a first push rod 321 arranged on one end of one of the self-resetting plates 31, a second push rod 322 arranged on one end of the other self-resetting plate 31, and a self-resetting spring 323 sleeved on the first push rod 321 and the second push rod 322. The second push rod 322 is provided with a guide groove 3221 matched with the first push rod 321. One end of the first push rod 321 is inserted into the guide groove 3221, and the first push rod 321 and the second push rod 322 are slidably connected. The self-resetting spring group adopts a modular structure design, so as to facilitate the assembly of the self-resetting spring group and the two self-resetting plates, with higher assembly efficiency, and can ensure that the self-resetting plates can drive the two crankshafts to reliably reset. Two positioning pins 101 are arranged on the mechanism frame 10 corresponding to the two self-resetting plates 31, and a positioning arc groove 311 is arranged in the middle of the two self-resetting plates 31. The positioning pin 101 is inserted into the positioning arc groove 311, and forms a rotational connection and cooperation between the self-resetting plate 31 and the positioning pin 101. The two self-resetting plates are engaged with the positioning pins of the mechanism frame through the positioning arc groove, so as to facilitate the assembly of the two self-resetting plates and the mechanism frame, and ensure that the two self-resetting plates can be reliably rotated on the mechanism frame, which is conducive to improving the working reliability of the self-resetting assembly. A shaft sleeve 212 is arranged on the toggle shaft 211, and a driving plane 312 cooperating with the shaft sleeve 212 is arranged on the other end of the two self-resetting plates 31. The shaft sleeve 212 moves with the toggle shaft 211 and contacts the driving plane 312, and forms a linkage cooperation between the two self-resetting plates 31 and the shaft sleeve 212. The toggle shaft drives the two self-resetting plates through the shaft sleeve, and the shaft sleeve contacts the driving plane of the self-resetting plate, which can avoid the shaft sleeve and the driving plane from getting stuck, thereby ensuring that the transmission between the shaft sleeve and the two self-resetting plates is more reliable. The two crankshafts 21 are respectively provided with a section of arc-shaped teeth 213, and the two double-headed gears 23 are respectively provided with two transmission gears 231 meshing with the arc-shaped teeth 213 of the two crankshafts 21, and the two transmission gears 231 and the two crankshafts 21 are linked. The two crankshafts drive the two double-headed gears through the arc-shaped teeth, thereby ensuring that the two crankshafts can reliably drive the two double-headed gears, which is conducive to improving the working reliability of the dual-handle master controller.

[0016] Two crankshafts are driven by two joysticks, and the two crankshafts drive two sets of contact groups through double-headed gears and driving gears respectively, so as to realize the opening and closing of the two sets of contact groups. The structural design of the operating mechanism is simple and the operation is more convenient. In addition, two sets of self-reset components matching the two crankshafts are arranged in the mechanism frame. When the operator moves the joystick, the joystick drives the crankshaft to move, and the crankshaft drives the self-reset plate to move through the toggle shaft. The self-reset plate compresses the self-reset spring group. When the operator releases the joystick, the self-reset spring group drives the crankshaft and the joystick to automatically reset. Thereby, the joystick is automatically reset, the operation is more convenient, and the operation feel is better. Therefore, the double-handle master controller has the advantages of simple structure, stable and reliable performance, convenient operation, and convenient assembly.

Claims

1. A dual-handle master controller, characterized in that: It includes a mechanism frame, two groups of contact groups respectively arranged on the mechanism frame, and an operating mechanism arranged on the mechanism frame for controlling the closing of the two groups of contact groups. The operating mechanism includes two crankshafts respectively rotatably arranged on the mechanism frame, two joysticks linked to the two crankshafts, two double-headed gears respectively linked to the two crankshafts, two driving gears arranged on the main shafts of the two groups of contact groups and respectively meshed with the two double-headed gears, and two groups of self-resetting components respectively arranged on the mechanism frame and matched with the two crankshafts. The self-resetting components include two self-resetting plates rotatably arranged on the mechanism frame, a self-resetting spring group arranged between one ends of the two self-resetting plates, a toggle shaft on the crankshaft corresponding to the other ends of the two self-resetting plates, the toggle shaft moves with the crankshaft and respectively contacts the other ends of the two self-resetting plates, and forms a linkage cooperation between the two self-resetting plates and the toggle shaft.

2. The dual-handle master controller according to claim 1, characterized in that: The self-resetting spring group includes a first push rod arranged on one end of one of the self-resetting plates, a second push rod arranged on one end of the other self-resetting plate, and a self-resetting spring sleeved on the first push rod and the second push rod. The second push rod is provided with a guide groove that matches the first push rod. One end of the first push rod is inserted into the guide groove, and a sliding connection is formed between the first push rod and the second push rod.

3. The dual-handle master controller according to claim 1 or 2, characterized in that: Two positioning pins are arranged on the mechanism frame corresponding to the two self-resetting plates, and positioning arc grooves are arranged in the middle of the two self-resetting plates. The positioning pins are inserted into the positioning arc grooves to form a rotational connection cooperation between the self-resetting plates and the positioning pins.

4. The dual-handle master controller according to claim 1 or 2, characterized in that: The toggle shaft is provided with a shaft sleeve, and the other ends of the two self-resetting plates are provided with a driving plane matched with the shaft sleeve. The shaft sleeve moves with the toggle shaft and contacts the driving plane, and forms a linkage match between the two self-resetting plates and the shaft sleeve.

5. The dual-handle master controller according to claim 1 or 2, characterized in that: The two crankshafts are respectively provided with a section of arc-shaped teeth, and the two double-headed gears are respectively provided with two transmission gears meshing with the arc-shaped teeth of the two crankshafts, thereby forming a linkage cooperation between the two transmission gears and the two crankshafts.

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