Master controller
By using ratchet gear limiting mechanism and simplified mechanical lock zero and self-reset components in the main command controller, the problems of unreliable gear limiting and inconvenient operation in the existing technology are solved, and the main command controller with simple structure, stable and reliable performance and long service life is realized.
Patent Information
- Application Number
- CN202421291052.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The gear limiting mechanism of the contact system of the existing main command controller is complex in design, the gear limiting is unreliable, and the service life is short; the structure of the self-reset component of the operating mechanism is complex, resulting in large resistance to tilting and resetting of the joystick and inconvenient operation.
The ratchet gear limiting mechanism is adopted to simplify the gear limiting structure and improve the limit reliability through the limiting coordination between the ratchet and the roller; in the operating mechanism, simple mechanical lock components and self-reset components are designed, including self-locking plates, locking part positioning parts, spherical grooves and reset push plates, and return spring components to realize the rapid mechanical locking and automatic reset of the joystick.
It realizes a main command controller with simple structure, stable and reliable performance and long service life, which is convenient to operate and flexible gear switching.
Smart Images
Figure CN222562470U_ABST
Abstract
Description
Technical Field
[0001] The utility model specifically relates to a 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 frequent connection and disconnection of circuits, and is often used in conjunction with magnetic starters to remotely control the starting, braking, speed regulation and reversing of wound asynchronous motors. It is widely used in the control system 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 structural design of the gear limit mechanism of the existing master controller's contact system is relatively complex, and the gear limit of the gear limit mechanism is unreliable and has a short service life. In addition, the structural design of the self-reset component of the operating mechanism is complex, resulting in greater resistance to the toggle and reset of the operating mechanism's joystick, and inconvenient operation. Summary of the invention
[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a master controller with simple structure, stable and reliable performance, long service life and convenient operation.
[0004] To achieve the above-mentioned purpose, the utility model adopts a master controller, including a mechanism frame, an operating mechanism arranged on the mechanism frame, and two groups of contact modules arranged on the mechanism frame and cooperating with the operating mechanism, wherein the contact module includes a ratchet gear position limiting mechanism arranged on the mechanism frame, and a contact group cooperating with the ratchet gear position limiting mechanism, wherein the ratchet gear position limiting mechanism includes a driving shaft cooperating with the operating mechanism and used to drive the contact group to perform opening and closing, a ratchet arranged on the driving shaft, a support plate arranged on the mechanism frame, and a contact group symmetrically arranged on the support plate and Two limit levers and tension springs are matched with the ratchet, one end of the two limit levers is rotatably set on the positioning rod of the support plate, and the other end of the two limit levers is respectively provided with a gear slot, and the support plate is provided with a limit lever matched with the gear slot, and the tension spring is connected between the two limit levers, and the middle part of the two limit levers is respectively provided with rollers matched with the ratchet, and the ratchet is provided with multiple gear slots matched with the rollers, the gear slots move with the ratchet and are buckled on the rollers, and constitute the limit cooperation between the ratchet and the roller.
[0005] The beneficial effect of the above structure is that a ratchet gear position limiting mechanism is arranged between the operating mechanism and the contact group, and the ratchet gear position limiting mechanism adopts a ratchet gear position limiting structure design, which is simple in design, reliable in gear position limiting, reliable and durable, and has a longer service life. The limit lever cooperates with the ratchet through a roller, and a tension spring is arranged between the two limit levers, and the tension of the tension spring can ensure the limiting force of the two limit levers and the ratchet, thereby ensuring that the gear position switching of the ratchet gear position limiting mechanism is flexible. Therefore, the master controller has the advantages of simple structure, stable and reliable performance, and long service life.
[0006] In particular, the operating mechanism comprises an upper half shaft rotatably arranged in a mechanism frame, a lower half shaft rotatably arranged in the mechanism frame, a slider for driving the lower half shaft to rotate, a self-reset component arranged on the mechanism frame and matched with the lower half shaft, a joystick linked to the slider and used to drive the upper half shaft, and a mechanical lock component arranged in the mechanism frame and matched with the joystick, the upper half shaft is linked to be provided with a sector gear, the gear shaft in the mechanism frame is provided with a transmission gear meshing with the sector gear, the gear shaft is linked to be provided with a bevel gear, a driving bevel gear meshing with the bevel gear is provided on the driving shaft of one group of contact modules, a transmission sector gear is linked to be provided on the lower half shaft, and a driving gear meshing with the driving sector gear is provided on the driving shaft of another group of contact modules. The operating mechanism can drive two groups of contact modules through the lower half shaft and the upper half shaft, so that the operating mechanism can control the on and off of multiple groups of contacts, and has a wider range of applications.
[0007] In particular, the mechanical locking component assembly includes a self-locking plate arranged in the mechanism frame, a locking zero positioning piece arranged on the self-locking plate corresponding to the joystick, a positioning hole matched with the joystick arranged on the locking zero positioning piece, a spherical groove connected with the positioning hole arranged on the locking zero positioning piece, a locking part matched with the positioning hole arranged at the tail of the joystick, and the locking part moves with the joystick and slides into the positioning hole along the spherical groove. The mechanical locking component assembly has a simple structural design, the locking zero positioning piece can accurately position the joystick, the spherical groove guides the locking part of the joystick, and the locking part of the joystick can slide into the positioning hole along the spherical groove, so that the master controller can achieve rapid mechanical zero locking.
[0008] In particular, the self-reset assembly includes two reset push plates symmetrically arranged in the mechanism frame, a reset spring assembly arranged between the two reset plates, one end of the two reset push plates respectively rotates the positioning shaft arranged in the mechanism frame, the other end of the two reset push plates has two push arms, a positioning plate is arranged between the two push plate arms corresponding to the mechanism frame, the lower half shaft is provided with a toggle sleeve matched with the two push arms, the two push arms respectively abut on the toggle sleeve, and form a linkage match between the two push arms and the toggle sleeve. The joystick cooperates with the self-reset assembly through the lower half shaft and the toggle sleeve, so as to ensure that the joystick can automatically reset to the initial position, which is convenient for user operation. During operation, the operator toggles the joystick, and the joystick toggles the reset push plate through the lower half shaft and the toggle sleeve, resets and pushes the compressed reset spring assembly, and when the operator releases the joystick, the reset spring assembly returns to its original state, so that the joystick returns to the center position.
[0009] In particular, the reset spring assembly includes two pull plates and reset springs arranged on the two pull plates, one end of the two pull plates is respectively provided with guide holes sleeved on the two reset push plates, and the other ends of the two pull plates are respectively provided with limit parts abutting against the two ends of the reset spring. The two pull plates are sleeved on the two reset push plates, thereby facilitating the assembly of the reset spring assembly and the two reset push plates, and the assembly is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a stereogram of an embodiment of the utility model.
[0011] Figure 2 This is the internal structure of an embodiment of the utility model.
[0012] Figure 3 It is a three-dimensional diagram of a contact module according to an embodiment of the present utility model.
[0013] Figure 4 It is a three-dimensional diagram of the self-resetting assembly according to an embodiment of the utility model.
[0014] Figure 5 It is a three-dimensional diagram of the mechanical lock components of the embodiment of the present utility model. DETAILED DESCRIPTION
[0015] like Figures 1 to 5As shown, the embodiment of the utility model is a master controller, including a mechanism frame 10, an operating mechanism 20 arranged on the mechanism frame 10, and two groups of contact modules 30 arranged on the mechanism frame 10 and cooperating with the operating mechanism 20. The contact module 30 includes a ratchet gear position limiting mechanism 31 arranged on the mechanism frame 10, and a contact group 32 cooperating with the ratchet gear position limiting mechanism 31. The ratchet gear position limiting mechanism 31 includes a driving shaft 311 cooperating with the operating mechanism 20 and used to drive the contact group 32 to perform opening and closing, a ratchet 312 arranged on the driving shaft 311, a support plate 313 arranged on the mechanism frame 10, two limit levers 314 symmetrically arranged on the support plate 313 and cooperating with the ratchet 312, and a pull Spring 315, one end of the two limit levers 314 is rotatably set on the positioning rod 3131 of the support plate 313, and the other end of the two limit levers 314 is respectively provided with a gear slot 3141, and the support plate 313 is provided with a limit rod 3132 that matches the gear slot 3141, and the tension spring 315 is connected between the two limit levers 314, and the middle part of the two limit levers 314 is respectively provided with a roller 316 that matches the ratchet 312, and the ratchet 312 is provided with a plurality of gear slots 3121 that match the roller 316, and the plurality of gear slots 3121 moves with the ratchet 312 and is respectively buckled on the roller 316, and constitutes a limiting match between the ratchet 312 and the roller 316.
[0016] like Figure 2 , 45, the operating mechanism 20 includes an upper half shaft 21 rotatably arranged in the mechanism frame 10, a lower half shaft 22 rotatably arranged in the mechanism frame 10, a slider 23 for driving the lower half shaft 22 to rotate, a self-reset component 24 arranged on the mechanism frame 10 and matched with the lower half shaft 22, a joystick 25 linked to the slider 23 and used to drive the upper half shaft 21, and a mechanical lock component 26 arranged in the mechanism frame 10 and matched with the joystick 25. The upper half shaft 21 is linked to a sector gear 211 The gear shaft 101 in the mechanism frame 10 is provided with a transmission gear 212 meshing with a sector gear 211, and the gear shaft 101 is provided with a bevel gear 213 in linkage, and a driving bevel gear 3110 meshing with the bevel gear 213 is provided on the driving shaft 311 of one group of contact modules 30, and a transmission sector gear 221 is provided in linkage on the lower half shaft 22, and a driving gear 3111 meshing with the driving sector gear 221 is provided on the driving shaft 311 of another group of contact modules 30. The operating mechanism can drive two groups of contact modules through the lower half shaft and the upper half shaft, so that the operating mechanism can control the on and off of multiple groups of contacts, and has a wider range of applications. The mechanical locking component assembly 26 comprises a self-locking plate 261 arranged in the mechanism frame 10, a locking zero positioning piece 262 arranged on the self-locking plate 261 corresponding to the joystick 25, a positioning hole 2621 matching the joystick 25 is arranged on the locking zero positioning piece 262, a spherical groove 2622 communicating with the positioning hole 2621 is arranged on the locking zero positioning piece 262, a locking part 251 matching the positioning hole 2621 is arranged at the tail of the joystick 25, and the locking part 251 moves with the joystick 25 and slides into the positioning hole 2622 along the spherical groove 2621. The mechanical locking component assembly has a simple structural design, the locking zero positioning piece can accurately position the joystick, the spherical groove guides the locking part of the joystick, and the locking part of the joystick can slide into the positioning hole along the spherical groove, so that the master controller can achieve rapid mechanical zero locking. The self-reset component 24 includes two reset push plates 241 symmetrically arranged in the mechanism frame 10 and a reset spring component 242 arranged between the two reset plates 24. One ends of the two reset push plates 241 are respectively rotatably arranged on the positioning shaft 102 in the mechanism frame 10. The other ends of the two reset push plates 241 have two push arms 2411. A positioning plate 243 is arranged between the corresponding two push plate arms 2411 in the mechanism frame 10. A toggle sleeve 220 cooperating with the two push arms 2411 is arranged on the lower half shaft 22. The two push arms 2411 respectively abut against the toggle sleeve 220, and constitute a linkage cooperation between the two push arms 2411 and the toggle sleeve 220.The joystick cooperates with the self-reset assembly through the lower half shaft and the toggle sleeve, so as to ensure that the joystick can automatically reset to the initial position, which is convenient for user operation. During operation, the operator toggles the joystick, and the joystick toggles the reset push plate through the lower half shaft and the toggle sleeve to reset and push the compressed reset spring assembly. When the operator releases the joystick, the reset spring assembly returns to its original state, so that the joystick returns to the center position. The reset spring assembly 242 includes two pull plates 2421 and a reset spring 2422 arranged on the two pull plates 2421. One end of the two pull plates 2421 is respectively provided with a guide hole 24211 sleeved on the two reset push plates 24, and the other end of the two pull plates 2421 is respectively provided with a limit portion 24212 that abuts against the two ends of the reset spring 2422. The two pull plates are sleeved on the two reset push plates, so as to facilitate the assembly of the reset spring assembly and the two reset push plates, and the assembly is more convenient.
[0017] A ratchet gear limit mechanism is provided between the operating mechanism and the contact group. The ratchet gear limit mechanism adopts a ratchet limit structure design. The structure design is simple, the gear limit is reliable, durable and has a longer service life. The limit lever cooperates with the ratchet through a roller, and a tension spring is provided between the two limit levers. The tension of the tension spring can ensure the limit force of the two limit levers and the ratchet, thereby ensuring the gear switching of the ratchet gear limit mechanism is flexible. Therefore, the master controller has the advantages of simple structure, stable and reliable performance and long service life.
Claims
1. A master controller, characterized in that: It includes a mechanism frame, an operating mechanism arranged on the mechanism frame, and two groups of contact modules arranged on the mechanism frame and linked with the operating mechanism. The contact module includes a ratchet gear position limiting mechanism arranged on the mechanism frame, and a contact group linked with the ratchet gear position limiting mechanism. The ratchet gear position limiting mechanism includes a driving shaft linked with the operating mechanism and used to drive the contact group to perform opening and closing, a ratchet arranged on the driving shaft, a support plate arranged on the mechanism frame, two limiting levers symmetrically arranged on the support plate and matched with the ratchet, and a tension spring. One end of the two limiting levers is rotatably arranged on the positioning rod of the support plate, and the other end of the two limiting levers is respectively provided with a gear slot, and the support plate is provided with a limiting rod matched with the gear slot. The tension spring is connected between the two limiting levers, and the middle parts of the two limiting levers are respectively provided with rollers matched with the ratchet, and the ratchet is provided with a plurality of gear slots matched with the roller. The gear slot moves with the ratchet and is buckled on the roller, and constitutes a limiting match between the ratchet and the roller.
2. The master controller according to claim 1, characterized in that: The operating mechanism includes an upper half shaft rotatably arranged in a mechanism frame, a lower half shaft rotatably arranged in the mechanism frame, a slider for driving the lower half shaft to rotate, a self-resetting component arranged on the mechanism frame and matched with the lower half shaft, a joystick linked to the slider and used to drive the upper half shaft, and a mechanical lock component arranged in the mechanism frame and matched with the joystick. The upper half shaft is linked with a sector gear, the gear shaft in the mechanism frame is provided with a transmission gear meshing with the sector gear, and the gear shaft is linked with a bevel gear, a driving bevel gear meshing with the bevel gear is arranged on the driving shaft of one group of contact modules, a transmission sector gear is linked with the lower half shaft, and a driving gear meshing with the driving sector gear is arranged on the driving shaft of another group of contact modules.
3. The master controller according to claim 2, characterized in that: The mechanical locking component includes a self-locking plate arranged in the mechanism frame, a locking positioning piece arranged on the self-locking plate at a corresponding operating lever, a positioning hole matching the operating lever is arranged on the locking positioning piece, a spherical groove connected to the positioning hole is arranged on the locking positioning piece, a locking part matching the positioning hole is arranged at the tail of the operating lever, and the locking part moves with the operating lever and slides along the spherical groove into the positioning hole.
4. The master controller according to claim 2 or 3, characterized in that: The self-reset component includes two reset push plates symmetrically arranged in the mechanism frame and a reset spring component arranged between the two reset plates. One ends of the two reset push plates are respectively rotated to set the positioning shafts in the mechanism frame. The other ends of the two reset push plates have two push arms. A positioning plate is arranged between the two corresponding push plate arms in the mechanism frame. A toggle sleeve cooperating with the two push arms is arranged on the lower half shaft. The two push arms respectively abut against the toggle sleeves and constitute a linkage cooperation between the two push arms and the toggle sleeves.
5. The master controller according to claim 4, characterized in that: The reset spring assembly includes two pull plates and reset springs arranged on the two pull plates. One end of the two pull plates is respectively provided with guide holes sleeved on the two reset push plates, and the other end of the two pull plates is respectively provided with limit parts that abut against the two ends of the reset springs.