High-reliability master controller

Abstract

The utility model relates to a high-reliability master controller, which comprises a support, an operating mechanism arranged on the support, a shell arranged on the support, and a main circuit board arranged in the shell corresponding to the lower part of the operating mechanism, the operating mechanism comprises a spherical lining arranged in the support, an operating rod rotationally arranged on the spherical lining, two crankshafts rotationally arranged in the support and two sets of self-positioning assemblies arranged at one ends of the two crankshafts respectively, and shifting holes matched with the operating rod are formed in the two crankshafts respectively. One end of the operating rod is inserted into the shifting hole in a penetrating mode, linkage matching of the two crankshafts and the operating rod is formed, two supporting pieces are arranged at the positions, corresponding to the upper portion of the main circuit board, of the other ends of the two crankshafts in a linkage mode, and two magnets matched with the Hall sensing pieces of the main circuit board are arranged on the two supporting pieces. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly and good protection performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to a main order controller, specifically relates to a high reliability main order controller. BACKGROUND

[0002] The main order controller (also called main order switch) is mainly used in the electrical transmission device, and is used for distributing orders or other control line interlocking and conversion by switching contacts in a certain order. The main order controller is suitable for frequently connecting and disconnecting circuits, and is usually used for remote control of the starting, braking, speed regulation and reversing of the wound asynchronous motor in cooperation with the magnetic starter, and is widely used in the control system of the driving motor of various hoisting machinery. The main order controller comprises a mechanism frame, an operating mechanism arranged on the mechanism frame and a contact system arranged in the mechanism frame. The existing electronic main order controller has poor protection performance, rainwater is easy to enter the inside of the main order controller, the circuit board in the main order controller is invalid due to being soaked by rainwater, and the working reliability of the main order controller is not high. In addition, the self-resetting assembly on the operating lever of the main order controller has a complex structure, so that the operation of the main order controller is not convenient. In addition, the main order controller also has the defects of complex structure, unreliable performance and inconvenient assembly. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art, and provides a high reliability main order controller which has a simple structure, stable and reliable performance, is convenient to assemble and has good protection performance.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts a high reliability main order controller, which comprises a support, an operating mechanism arranged on the support, a shell arranged on the support, a main circuit board arranged in the shell corresponding to the lower part of the operating mechanism, the operating mechanism comprises a spherical bushing arranged in the support, an operating lever rotatably arranged on the spherical bushing, two crankshafts rotatably arranged in the support, two groups of self-positioning assemblies arranged on one end of the two crankshafts respectively, the two crankshafts are provided with a push hole matched with the operating lever respectively, one end of the operating lever is inserted into the push hole, and the two crankshafts and the operating lever are linked and matched, two supporting pieces are arranged on the other end of the two crankshafts and are linked with the upper part of the main circuit board, and two magnets matched with the Hall inductor of the main circuit board are arranged on the two supporting pieces.

[0005] The main line board of the main controller is arranged in the shell, the shell can play a role of waterproof and dustproof, and the service life of the main line board is prolonged.

[0006] In particular, the protective sleeve is arranged between the operating lever and the support, the operating lever passes through the protective sleeve and is connected to the handle, and the self-resetting assembly is arranged in the protective sleeve on the operating lever.

[0007] In particular, the self-resetting assembly comprises a spring sliding seat arranged on the operating lever, a spring seat arranged on the operating lever, and a self-resetting spring, one end of the spring sliding seat abuts against the support, the other end of the spring sliding seat has a convex ring part matched with the self-resetting spring, the spring seat is provided with a positioning groove matched with the self-resetting spring, and the two ends of the self-resetting spring are clamped in the positioning groove and the convex ring part respectively.

[0008] In particular, the handle is provided with a fixing block matched with the operating lever, the fixing block is provided with a fixing hole matched with the operating lever, one end of the operating lever is inserted into the fixing hole, and the fixing block is provided with a bolt connected to one end of the operating lever.

[0009] In particular, the handle is provided with a fixing block matched with the operating lever, the fixing block is provided with a fixing hole matched with the operating lever, one end of the operating lever is inserted into the fixing hole, and the fixing block is provided with a bolt connected to one end of the operating lever.

[0010] Specifically, the self-positioning assembly includes a positioning component linked to one end of the crankshaft, a support component located within the housing corresponding to the positioning component, a spring located in a positioning groove within the support component, and a positioning roller mounted on the spring and cooperating with the positioning component. The positioning component has a raised arc surface that mates with the positioning roller, and the center of the raised arc surface has an arc-shaped positioning groove that engages with the positioning roller. The self-positioning assembly automatically positions the crankshaft. During operation, the operator moves a control lever, which in turn moves the crankshaft, causing the positioning component to move. The positioning roller slides on the raised arc surface. When the operator releases the control lever, the positioning roller slides into the arc-shaped positioning groove, thus achieving automatic crankshaft positioning and ensuring the reliability of the master controller. Attached Figure Description

[0011] Figure 1 This is a perspective view of an embodiment of the present utility model.

[0012] Figure 2 This is a cross-sectional view of an embodiment of the present utility model.

[0013] Figure 3 This is a structural diagram of the internal structure of an embodiment of the present utility model.

[0014] Figure 4 This is an exploded view of the self-positioning component according to an embodiment of the present invention. Detailed Implementation

[0015] like Figures 1-4 As shown, this utility model embodiment is a highly reliable master controller, including a support 10, an operating mechanism 20 disposed on the support 10, a housing 11 disposed on the support 10, and a main circuit board 12 disposed in the housing 11 below the operating mechanism 20. The operating mechanism 20 includes a spherical bushing 21 disposed in the support 10, a control lever 22 rotatably disposed on the spherical bushing 21, two crankshafts 23 rotatably disposed in the support 10, and two sets of self-positioning components 40 respectively disposed on one end of the two crankshafts 26. The two crankshafts 23 are respectively provided with actuation holes 231 that cooperate with the control lever 22. One end of the control lever 22 is inserted into the actuation hole 231, and the two crankshafts 23 and the control lever 22 are linked together. Two support members 24 are linkedly disposed on both ends of the two crankshafts 23 corresponding to the upper part of the main circuit board 12. The two support members 24 are provided with two magnets 25 that cooperate with the Hall sensor 121 of the main circuit board 12.

[0016] like Figure 2 , 3As shown, a protective sleeve 14 is provided between the control lever 22 and the support 10. The other end of the control lever 22 passes through the protective sleeve 14 and is connected to the handle 15. A self-resetting component 30 is provided on the control lever 22 corresponding to the protective sleeve 14. The protective sleeve between the control lever and the support improves the protection performance of the master controller. The self-resetting component 30 includes a spring slide 31 fitted on the control lever 22, a spring seat 32 provided on the control lever 22, and a self-resetting spring 33. One end of the spring slide 31 abuts against the support 10, and the other end of the spring slide 31 has a protruding ring portion 311 that cooperates with the self-resetting spring 33. The spring seat 32 is provided with a positioning groove 321 that cooperates with the self-resetting spring 33. The two ends of the self-resetting spring 33 are respectively engaged in the positioning groove 321 and the protruding ring portion 311. During operation, the operator moves the control lever, compressing the self-resetting spring on the spring slide. When the operator releases the control lever, the self-resetting spring pushes the spring slide back to its original position, thus automatically resetting the control lever to the zero position. This self-resetting component facilitates user operation and makes operation more convenient. The handle 15 contains a fixing block 16 that mates with the control lever 22. The fixing block 16 has a fixing hole 161 that mates with the control lever 22. One end of the control lever 16 passes through the fixing hole 161, and the fixing block 16 has a bolt 17 that connects to one end of the control lever 22. The control lever is connected to the handle via the fixing block, facilitating assembly and improving the assembly efficiency of the master controller. A snap-fit ​​cavity 151 is provided within the handle 15 corresponding to the fixing block 16. The fixing block 16 engages within the snap-fit ​​cavity 151, forming a snap-fit ​​connection between the fixing block 16 and the handle 15. The fixing block and the handle are assembled using a snap-fit ​​method, which facilitates the assembly of the fixing block and the handle and improves assembly efficiency.

[0017] like Figures 2-4 As shown, the self-positioning assembly 40 includes a positioning element 41 linked to one end 26 of the crankshaft, a support element 42 corresponding to the positioning element 41 and disposed within the housing 11, a spring 43 disposed within a positioning groove 421 of the support element 42, and a positioning roller 44 disposed on the spring 43 and cooperating with the positioning element 41. The positioning element 41 is provided with a raised arc surface 411 that cooperates with the positioning roller 44, and the center of the raised arc surface 411 is provided with an arc-shaped positioning groove 412 that engages with the positioning roller 44. The self-positioning assembly can automatically position the crankshaft. During operation, the operator moves the control lever, which drives the crankshaft to move, and the crankshaft drives the positioning element to move. The positioning roller can slide on the raised arc surface. When the operator releases the control lever, the positioning roller slides into the arc-shaped positioning groove, thereby achieving automatic positioning of the crankshaft and ensuring the reliability of the master controller.

[0018] The main circuit board and the two control circuit boards are arranged in the shell, and the shell can play a waterproof and dustproof role, which is conducive to prolonging the service life of the main circuit board and the control circuit boards. The operation mechanism has simple structure design, the magnet of the support member is driven by the two crankshafts, the magnet of the support member triggers the Hall inductor on the control circuit board, so that the multiple signal outputs of the main controller are realized, and different use requirements can be met. Therefore, the main controller has the advantages of simple structure, stable and reliable performance, convenient assembly and good protection performance.

Claims

1. A high-reliability master controller, characterized by: The utility model provides a kind of operating mechanism, including support, operating mechanism being arranged on support, shell being arranged on support, main circuit board being arranged in shell corresponding to the lower portion of operating mechanism, the operating mechanism includes spherical bushing being arranged in support, operating lever being rotatably arranged on spherical bushing, two crankshafts being rotatably arranged in support, two sets of self-positioning components being respectively arranged on the one end of two crankshafts, the two crankshafts are respectively provided with the push hole matched with operating lever, the one end of operating lever is inserted in push hole, and the linkage cooperation of two crankshafts and operating lever is formed, the other end of two crankshafts is correspondingly linked with two supports above main circuit board, and two magnets are arranged on two supports and matched with the Hall inductor of main circuit board.

2. The high-reliability master controller of claim 1, wherein: The operating lever is provided with a protective sleeve between the operating lever and the support, the other end of the operating lever passes through the protective sleeve and is connected to the handle, and a self-resetting component is arranged on the operating lever corresponding to the protective sleeve.

3. The high-reliability master controller of claim 2, wherein: The self-resetting component includes a spring slide seat sleeved on the operating lever, a spring seat arranged on the operating lever, and a self-resetting spring, one end of the spring slide seat abuts against the support, the other end of the spring slide seat has a protruding ring portion matched with the self-resetting spring, the spring seat is provided with a positioning groove matched with the self-resetting spring, and the self-resetting spring is clamped at both ends of the positioning groove and the protruding ring portion.

4. The high-reliability master controller of claim 2 or 3, wherein: The handle is provided with a fixed block matched with the operating lever, the fixed block is provided with a fixed hole matched with the operating lever, the one end of the operating lever is inserted in the fixed hole, and the fixed block is provided with a bolt connected to the one end of the operating lever.

5. The high-reliability master controller of claim 4, wherein: The handle is provided with a clamping cavity corresponding to the fixed block, and the fixed block is clamped in the clamping cavity to form the clamping cooperation of the fixed block and the handle.

6. The high-reliability master controller of claim 1 or 2, wherein: The self-positioning component includes a positioning member linked to one end of the crankshaft, a support arranged in the shell corresponding to the positioning member, a spring arranged in the positioning groove of the support, and a positioning roller arranged on the spring and matched with the positioning member, the positioning member is provided with a protruding arc surface matched with the positioning roller, and the middle part of the protruding arc surface is provided with an arc positioning groove engaged with the positioning roller.

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