CN112750634B - Operating mechanism of power supply change-over switch electric appliance - Google Patents
Operating mechanism of power supply change-over switch electric appliance Download PDFInfo
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- CN112750634B CN112750634B CN202011586957.0A CN202011586957A CN112750634B CN 112750634 B CN112750634 B CN 112750634B CN 202011586957 A CN202011586957 A CN 202011586957A CN 112750634 B CN112750634 B CN 112750634B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
Abstract
The invention provides an operating mechanism of a power supply changeover switch electric appliance, which comprises an electromagnetic component, a gear component and an energy storage mechanism component, wherein one end of the electromagnetic component is fixedly connected with an electric appliance shell, the other end of the electromagnetic component is clamped to one end of the gear component, the periphery of the gear component is fixedly connected to the electric appliance shell, the energy storage mechanism component comprises a pulling plate, a cheek plate component, a lever, an upper connecting rod, a main spring and a lower connecting rod, the other end of the pulling plate is hinged to the first end of the lever, the second end of the lever is hinged to the periphery of the cheek plate component, the upper end of the upper connecting rod is hinged to the inside of the cheek plate component, the lower end of the upper connecting rod is hinged to one end of the lower connecting plate, and the lower end of the upper connecting rod is connected with the first end of the lever through the main spring. The operating mechanism of the power supply change-over switch electric appliance converts the unidirectional pulling action of the electromagnet into the linear reciprocating motion of the energy storage mechanism, thereby completing the closing and opening actions of the single-side switch electric appliance by using one electromagnet, and having reasonable and simple structural design and low cost.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to an operating mechanism of a power supply change-over switch electrical appliance.
Background
The power supply change-over switch electric appliance is a widely used terminal electric appliance, mainly controls the action of a contact system through an operating mechanism to switch on or switch off a common power supply and a standby power supply, thereby ensuring the safety of an electric power system and the continuity of production.
Disclosure of Invention
In view of the above, the present invention is directed to provide an operating mechanism of a power supply changeover switch electric appliance, so as to solve the problems of various kinds of parts and complex assembly of the operating mechanism of the switch electric appliance.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides an operating device of power transfer switch electrical apparatus, including the electromagnetism subassembly, gear assembly and energy storage mechanism subassembly, the one end fixed connection of electromagnetism subassembly is from the electric appliance shell, the other end joint of electromagnetism subassembly is to the one end of gear assembly, the peripheral fixed connection of gear assembly is to the electric appliance shell, the energy storage mechanism subassembly includes the arm-tie, the cheek subassembly, the lever, go up the connecting rod, main spring and lower connecting rod, the other end fixed connection of gear assembly is to the one end of arm-tie, the other end of arm-tie articulates the first end to the lever, the second end of lever articulates to the periphery of cheek subassembly, the upper end of going up the connecting rod articulates the inside to cheek subassembly, the lower extreme of going up the connecting rod articulates the one end to the lower connecting rod, and the lower extreme of going up the connecting rod is connected with the first end of lever through the main spring.
Further, the electromagnetic assembly comprises an electromagnet and a hook installed at one end of the electromagnet, the other end of the electromagnet is installed on the electric appliance shell, a groove used for clamping one end of the gear assembly is formed in the first end of the hook, the first end of the hook is elastically connected to the electric appliance shell through a spring, and the electromagnet is connected to the control unit through signals.
Further, the gear assembly includes upper plate, hypoplastron, the gear wheel, the pinion, manual axis, the cam, round pin dish and boss, upper plate and hypoplastron parallel arrangement each other, the equal fixed connection of one side of upper plate and hypoplastron is to the electrical apparatus shell, the lower extreme fixed connection of hypoplastron is to the upper end of cheek board subassembly, install gear wheel and pinion between upper plate and the hypoplastron respectively, gear wheel and pinion intermeshing, the fixed upper end of fixed cover of shaft lower extreme of gear wheel to the hypoplastron, installation manual axis behind the shaft upper end of gear wheel passing the upper plate, the shaft lower extreme fixed connection of pinion is to the upper end of hypoplastron, installation cam behind the shaft upper end of pinion passing the upper plate, eccentric installation round pin dish in cam upper end, and round pin dish joint to the one end of arm-tie, a plurality of bosses are evenly distributed along circumference on the gear wheel, dial and collude one end joint to a boss periphery.
Furthermore, the upper plate comprises a first plate body, a first support plate and a first support rod, the first plate body and the lower plate are arranged in parallel, one side of the first plate body is fixedly connected to the electric appliance shell, the other side of the first plate body is provided with the first support plate, the cross section of the first support plate is of a U-shaped structure, and two side walls of the first support plate are respectively sleeved on the periphery of the first support rod; the arm-tie includes second plate body, second extension board and third extension board, and the one end of second plate body is equipped with first oval slot hole, and second plate body middle part is equipped with the joint hole, and second plate body other end downside sets up second extension board and the third extension board that is parallel to each other, and round pin dish lower extreme periphery is located in first oval slot hole, round pin dish upper end joint to second plate body upper end, first extension board are located the joint is downthehole, the peripheral joint of first branch pole to second plate body upper end.
Furthermore, the lever comprises a fourth supporting plate and a second supporting rod, the cross section of the fourth supporting plate is of a U-shaped structure, second through holes are formed in two side walls of the fourth supporting plate, second oval long holes are formed in the second supporting plate and the third supporting plate respectively, the periphery of the second supporting rod is located in the second through holes and the second oval long holes respectively, and two side walls of the fourth supporting plate are hinged to the periphery of the cheek plate assembly respectively.
Furthermore, the upper connecting rod and the lower connecting rod are identical in structure, the upper connecting rod comprises a fifth support plate and a third support rod, the cross section of the fifth support plate is of a U-shaped structure, the upper end of the fifth support plate is hinged to the inside of the cheek plate assembly, the lower end of the fifth support plate is hinged to the upper end of the fifth support plate of the lower connecting rod through the third support rod, one end of a main spring is sleeved to the periphery of the second support rod, and the other end of the main spring is sleeved to the periphery of the third support rod.
Compared with the prior art, the operating mechanism of the power supply changeover switch electric appliance has the following advantages:
(1) The operating mechanism of the power supply changeover switching device converts the unidirectional pulling action of the electromagnet into the linear reciprocating motion of the energy storage mechanism, so that the closing and opening actions of the switching device on one side are completed by one electromagnet, the switching device on the other side can be completed by the same operating mechanism, the batch production and the assembly are convenient, the product cost is saved, and the structural design is reasonable and simple.
(2) Compared with the motor in the prior art, the electromagnet arranged in the operating mechanism of the power supply changeover switching device has the advantage of quick action, can realize quick opening and closing of the switching device, can be controlled by on-off current if the electromagnet is ferromagnetic, can be controlled by the strength of the current or the number of turns of a coil, and is convenient for implementation of a production process.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an operating mechanism of a power transfer switching apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an energy storage mechanism assembly according to an embodiment of the invention;
FIG. 3 is a schematic diagram of an electromagnetic assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a gear assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of the internal structure of the assembly of the gear assembly and the solenoid assembly according to the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an upper plate according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a pulling plate according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a lever according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of the assembly of the lever, the upper link, the lower link and the main spring according to the embodiment of the present invention.
Description of the reference numerals:
1-an electromagnetic assembly; 11-an electromagnet; 12-hook; 2-a gear assembly; 21-upper plate; 211-a first plate body; 212-a first plate; 213-a first strut; 22-lower plate; 23-a bull gear; 24-a pinion; 25-a manual shaft; 26-a cam; 27-pin disks; 28-boss; 3-an energy storage mechanism assembly; 31-pulling a plate; 311-a second plate body; 312-a second plate; 313-a third plate; 32-a cheek plate assembly; 33-a lever; 331-a fourth plate; 332-a second strut; 34-an upper link; 341-fifth support plate; 342-a third strut; 35-a main spring; 36-lower link.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 9, including an electromagnetic assembly 1, a gear assembly 2 and an energy storage mechanism assembly 3, one end of the electromagnetic assembly 1 is fixedly connected to the electric appliance housing, the other end of the electromagnetic assembly 1 is clamped to one end of the gear assembly 2, the periphery of the gear assembly 2 is fixedly connected to the electric appliance housing, the energy storage mechanism assembly 3 includes a pulling plate 31, a cheek plate assembly 32, a lever 33, an upper link 34, a main spring 35 and a lower link 36, the other end of the gear assembly 2 is fixedly connected to one end of the pulling plate 31, the other end of the pulling plate 31 is hinged to a first end of the lever 33, a second end of the lever 33 is hinged to the periphery of the cheek plate assembly 32, an upper end of the upper link 34 is hinged to the inside of the cheek plate assembly 32, a lower end of the upper link 34 is hinged to one end of the lower link 36, and a lower end of the upper link 34 is connected to the first end of the lever 33 through the main spring 35, the mechanism converts a one-way pulling motion of the electromagnetic assembly 1 into a linear reciprocating motion of the energy storage mechanism, thereby completing the closing and opening and closing operations of the one-closing electric appliance with the same operation mechanism, thereby facilitating mass production and saving the product and simplifying the product design and reducing the cost.
The gear assembly 2 comprises an upper plate 21, a lower plate 22, a gearwheel 23, a pinion 24, a manual shaft 25, a cam 26, a pin disc 27 and a boss 28, wherein the upper plate 21 and the lower plate 22 are arranged in parallel, one sides of the upper plate 21 and the lower plate 22 are fixedly connected to an electric appliance shell, the lower end of the lower plate 22 is fixedly connected to the upper end of a cheek plate assembly 32, the gearwheel 23 and the pinion 24 are respectively arranged between the upper plate 21 and the lower plate 22, the gearwheel 23 and the pinion 24 are mutually meshed, the gearwheel 23 and the pinion 24 are respectively placed in a preset circular through hole of the lower gear plate 22, the upper plate 21 and the lower plate 22 are connected together through a riveting shaft, the upper end of a wheel shaft of the gearwheel 23 penetrates through the upper plate 21 and then is provided with the manual shaft 25, the large gear 23 and the manual shaft 25 are linked, the upper end of a wheel shaft of the small gear 24 penetrates through the upper plate 21 and then is provided with the cam 26, the small gear 24 and the cam 26 are linked, the upper end of the cam 26 is eccentrically provided with the pin disc 27, the pin disc 27 is clamped to one end of the pulling plate 31, 6 bosses 28 are uniformly distributed on the large gear 23 along the circumferential direction, one end of the shifting hook 12 is clamped to the periphery of one boss 28, the modules of the large gear 23 and the small gear 24 are the same, the gear ratio is 3, namely the large gear 23 rotates 60 degrees, the small gear 24 rotates 180 degrees, and the large gear and the small gear are in meshing transmission, compared with chain transmission and belt transmission, the gear transmission precision is high, the dynamic load can be reduced under high-speed heavy load, stable transmission is realized, safety and reliability are realized, and the service life is long.
The upper plate 21 comprises a first plate body 211, a first support plate 212 and a first support rod 213, the first plate body 211 and the lower plate 22 are arranged in parallel, one side of the first plate body 211 is fixedly connected to the outer shell of the electric appliance, the other side of the first plate body 211 is provided with the first support plate 212, the cross section of the first support plate 212 is of a U-shaped structure, and two side walls of the first support plate 212 are respectively sleeved on the periphery of the first support rod 213; the pulling plate 31 comprises a second plate body 311, a second support plate 312 and a third support plate 313, wherein one end of the second plate body 311 is provided with a first oval long hole, the middle of the second plate body 311 is provided with a clamping hole, the lower side of the other end of the second plate body 311 is provided with the second support plate 312 and the third support plate 313 which are parallel to each other, the periphery of the lower end of the pin disc 27 is positioned in the first oval long hole, the upper end of the pin disc 27 is clamped to the upper end of the second plate body 311, the first support plate 212 is positioned in the clamping hole, and the periphery of the first support rod 213 is clamped to the upper end of the second plate body 311.
The lever 33 includes a fourth supporting plate 331 and a second supporting rod 332, the cross section of the fourth supporting plate 331 is a U-shaped structure, two side walls of the fourth supporting plate 331 are respectively provided with a second through hole, the second supporting plate 312 and the third supporting plate 313 are respectively provided with a second oval long hole, the periphery of the second supporting rod 332 is respectively located in the second through hole and the second oval long hole, and two side walls of the fourth supporting plate 331 are respectively hinged to the periphery of the cheek plate assembly 32.
The upper connecting rod 34 and the lower connecting rod 36 have the same structure, the upper connecting rod 34 comprises a fifth support plate 341 and a third support rod 342, the cross section of the fifth support plate 341 is of a U-shaped structure, the upper end of the fifth support plate 341 is hinged to the inside of the cheek plate assembly 32, the lower end of the fifth support plate 341 is hinged to the upper end of the fifth support plate 341 of the lower connecting rod 36 through the third support rod 342, one end of a main spring 35 is sleeved on the periphery of the second support rod 332, the other end of the main spring 35 is sleeved on the periphery of the third support rod 342, and the four-link energy storage mechanism of the pulling plate 31, the lever 33, the upper connecting rod 34 and the lower connecting rod 36 can realize unrelated manual operation, and can rapidly open and close the electric switch through the kinetic energy of the electromagnet 11, and the main spring 35 is in the form of a tension spring, so that the processing process is simple and the control is convenient.
When the power supply change-over switch electric appliance is in an automatic state, the electromagnet 11 is used as power for driving, when the electromagnet 11 obtains a micro-contact switch instruction, the movable iron core and the static iron core are attracted, the poking hook 12 connected with the movable iron core pulls the boss 28 cylinder on the end face of the large gear 23 under the action of the head hook characteristic, so as to drive the small gear 24 to link, as the boss 28 is uniformly distributed along the circumferential direction of the large gear 23, namely the large gear 23 rotates 60 degrees, the small gear 24 rotates 180 degrees, at the moment, the cam 26 is linked with the small gear 24, the eccentric pin disc 27 on the cam 26 pushes the pulling plate 31 to move along the vertical direction, so as to complete the switching-on action of the energy storage mechanism component 3, when the switching-on action is completed, the outer side of the pin disc 27 on the cam 26 is tightly attached to the lower edge of the first elliptical long hole, the electromagnet 11 is reset after power is cut off, so as to prepare for the next switching-off action, and vice versa, so as to realize the linear reciprocating action of the energy storage mechanism through the unidirectional pulling action of the electromagnet 11, when the power supply change-over switch electric appliance is in a manual state, the power supply change-over switch electric appliance, the gear component, the worker can drive the large gear 23 to rotate through the manual shaft on the large gear 2, so as to complete the switching-on and switching-off action.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. Operating device of power transfer switch electrical apparatus, its characterized in that: the energy storage mechanism assembly comprises an electromagnetic assembly (1), a gear assembly (2) and an energy storage mechanism assembly (3), wherein one end of the electromagnetic assembly (1) is fixedly connected with an electric appliance shell, the other end of the electromagnetic assembly (1) is clamped to one end of the gear assembly (2), the periphery of the gear assembly (2) is fixedly connected to the electric appliance shell, the energy storage mechanism assembly (3) comprises a pull plate (31), a cheek plate assembly (32), a lever (33), an upper connecting rod (34), a main spring (35) and a lower connecting rod (36), the other end of the gear assembly (2) is fixedly connected to one end of the pull plate (31), the other end of the pull plate (31) is hinged to a first end of the lever (33), the second end of the lever (33) is hinged to the periphery of the cheek plate assembly (32), the upper end of the upper connecting rod (34) is hinged to the inside of the cheek plate assembly (32), the lower end of the upper connecting rod (34) is hinged to one end of the lower connecting rod (36), and the lower end of the upper connecting rod (34) is connected with the first end of the lever (33) through the main spring (35); the electromagnetic assembly (1) comprises an electromagnet (11) and a shifting hook (12) arranged at one end of the electromagnet (11), the other end of the electromagnet (11) is arranged on an electric appliance shell, a groove used for clamping one end of the gear assembly (2) is formed in the first end of the shifting hook (12), the first end of the shifting hook (12) is elastically connected to the electric appliance shell through a spring, and the electromagnet (11) is in signal connection with a control unit; the gear assembly (2) comprises an upper plate (21), a lower plate (22), a large gear (23), a small gear (24), a manual shaft (25), a cam (26), a pin disc (27) and a boss (28), wherein the upper plate (21) and the lower plate (22) are arranged in parallel, one sides of the upper plate (21) and the lower plate (22) are fixedly connected to an electric appliance shell, the lower end of the lower plate (22) is fixedly connected to the upper end of a cheek plate assembly (32), the large gear (23) and the small gear (24) are respectively arranged between the upper plate (21) and the lower plate (22), the large gear (23) and the small gear (24) are mutually meshed, the lower end of a wheel axle of the large gear (23) is fixedly sleeved on the upper end of the lower plate (22), the upper end of the wheel axle of the large gear (23) penetrates through the upper plate (21) and then is provided with the manual shaft (25), the lower end of the small gear (24) is fixedly connected to the upper end of the lower plate (22), the upper end of the wheel axle of the small gear (24) penetrates through the upper plate (21) and then is provided with the cam (26), and the upper end of the cam (26) is eccentrically provided with the pin disc (27), and the pin disc (27) is clamped to one end of the pulling plate (31), a plurality of bosses (28) are uniformly distributed on the large gear (23) along the circumferential direction, and one end of the shifting hook (12) is clamped to the periphery of one boss (28).
2. The operating mechanism of the power transfer switching apparatus according to claim 1, wherein: the upper plate (21) comprises a first plate body (211), a first support plate (212) and a first support rod (213), the first plate body (211) and the lower plate (22) are arranged in parallel, one side of the first plate body (211) is fixedly connected to an electric appliance shell, the other side of the first plate body (211) is provided with the first support plate (212), the cross section of the first support plate (212) is of a U-shaped structure, and two side walls of the first support plate (212) are respectively sleeved on the periphery of the first support rod (213);
the pulling plate (31) comprises a second plate body (311), a second supporting plate (312) and a third supporting plate (313), one end of the second plate body (311) is provided with a first oval long hole, the middle of the second plate body (311) is provided with a clamping hole, the lower side of the other end of the second plate body (311) is provided with the second supporting plate (312) and the third supporting plate (313) which are parallel to each other, the periphery of the lower end of the pin disc (27) is located in the first oval long hole, the upper end of the pin disc (27) is clamped to the upper end of the second plate body (311), the first supporting plate (212) is located in the clamping hole, and the periphery of the first supporting rod (213) is clamped to the upper end of the second plate body (311).
3. The operating mechanism of a power transfer switching apparatus according to claim 2, wherein: the lever (33) comprises a fourth support plate (331) and a second support rod (332), the cross section of the fourth support plate (331) is of a U-shaped structure, second through holes are formed in two side walls of the fourth support plate (331), second oval long holes are formed in the second support plate (312) and the third support plate (313) respectively, the periphery of the second support rod (332) is located in the second through holes and the second oval long holes respectively, and the two side walls of the fourth support plate (331) are hinged to the periphery of the cheek plate assembly (32) respectively.
4. The operating mechanism of a power transfer switching apparatus according to claim 3, wherein: the upper connecting rod (34) and the lower connecting rod (36) are identical in structure, the upper connecting rod (34) comprises a fifth supporting plate (341) and a third supporting rod (342), the cross section of the fifth supporting plate (341) is of a U-shaped structure, the upper end of the fifth supporting plate (341) is hinged to the inside of the cheek plate assembly (32), the lower end of the fifth supporting plate (341) is hinged to the upper end of the fifth supporting plate (341) of the lower connecting rod (36) through the third supporting rod (342), one end of a main spring (35) is sleeved on the periphery of the second supporting rod (332), and the other end of the main spring (35) is sleeved on the periphery of the third supporting rod (342).
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| CN202011586957.0A CN112750634B (en) | 2020-12-28 | 2020-12-28 | Operating mechanism of power supply change-over switch electric appliance |
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| CN202011586957.0A CN112750634B (en) | 2020-12-28 | 2020-12-28 | Operating mechanism of power supply change-over switch electric appliance |
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| CN112750634B true CN112750634B (en) | 2022-12-02 |
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