Operating mechanism of isolating switch

Abstract

The utility model discloses an operating mechanism of an isolating switch, which comprises a bottom shell, an upper cover arranged at the top of the bottom shell and a main shaft rotationally arranged on the bottom shell and the upper cover, two ends of the main shaft respectively penetrate through the bottom shell and the upper cover, a handle is arranged at the top of the main shaft, a driving plate is arranged on the outer side of the main shaft, and a driving block is arranged at the bottom of the driving plate. A second transverse rod matched with the shifting block is fixedly connected to the main shaft, a rotating shaft is rotationally connected to the interior of the bottom shell, a buckle arm is arranged on the outer side of the rotating shaft, a protruding part matched with the buckle arm is arranged on the outer side of the shifting disc, a torsional spring is installed in the bottom shell and located below the shifting disc, and a groove is formed in the outer side wall of the shifting disc. According to the utility model, the rotation of the main shaft can be remotely controlled through the arrangement of the driving plate, the buckling arm, the torsional spring and the electromagnetic mechanism, so that the remote control opening function is realized, the use convenience is improved, and the use requirements of people are better met.

Description

Technical Field

[0001] The utility model relates to the technical field of isolating switches, in particular to an operating mechanism of an isolating switch. Background Art

[0002] The isolating switch is an electrical device commonly used in power systems. Its main function is to disconnect or connect the circuit. Its main feature is that it has no arc extinguishing ability and can only open and close the circuit when there is no load current.

[0003] The existing isolating switches are mainly opened and closed by a manual operating handle, and the opening operation cannot be remotely controlled, which cannot well meet people's use needs. Utility Model Content

[0004] The purpose of the utility model is to provide an operating mechanism of an isolating switch to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an operating mechanism of an isolating switch, comprising a bottom shell, an upper cover installed on the top of the bottom shell, and a main shaft rotatably installed on the bottom shell and the upper cover, the two ends of the main shaft respectively pass through the bottom shell and the upper cover, a handle is installed on the top of the main shaft, a dial is provided on the outside of the main shaft, a dial block is provided on the bottom of the dial, a second cross bar matched with the dial block is fixedly connected to the main shaft, a rotating shaft is rotatably connected inside the bottom shell, a buckle arm is provided on the outside of the rotating shaft, a protrusion matched with the buckle arm is provided on the outside of the dial, a torsion spring is installed inside the bottom shell and below the dial, a groove is provided on the outer side wall of the dial, one end of the torsion spring extends to the inside of the groove, a vertical block is provided on the buckle arm, a third spring is installed inside the bottom shell, a stop block corresponding to the third spring is provided on one side of the buckle arm, an electromagnetic mechanism for limiting the buckle arm is installed inside the bottom shell, and a bending portion is provided at one end of the buckle arm close to the electromagnetic mechanism.

[0006] As a preferred scheme of the utility model, the electromagnetic mechanism includes a bracket, which is fixedly installed inside the bottom shell, a U-shaped yoke is provided on the outer side of the bracket, a coil is provided on the bracket, a hook core is provided inside the bracket, a limiting core is installed at the opening of the U-shaped yoke, and the limiting core is fixedly connected to the bracket, a collision block is slidably installed on the outer side of the limiting core, a first spring is installed between the collision block and the limiting core, one end of the hook core extends to the inside of the collision block, and a limiting block is provided at one end of the hook core, a second spring is installed between the collision block and the hook core, and the second spring is located inside the limiting core.

[0007] As a preferred solution of the utility model, a retaining ring is installed on the outer side of the main shaft.

[0008] As a preferred solution of the utility model, a first cross bar is provided on the main shaft.

[0009] As a preferred solution of the utility model, a power socket is installed inside the bottom shell.

[0010] Compared with the prior art, the beneficial effect of the utility model is that the utility model can remotely control the rotation of the main shaft through the dial, snap arm, torsion spring and electromagnetic mechanism, thereby realizing the remote control opening function, improving the convenience of use, and better meeting people's use needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0013] Figure 3 It is an exploded view of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the dial of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the buckle arm of the utility model;

[0016] Figure 6 It is a structural schematic diagram of the main shaft of the utility model;

[0017] Figure 7 It is a structural schematic diagram of the electromagnetic mechanism of the utility model;

[0018] Figure 8 It is a cross-sectional view of the electromagnetic mechanism of the utility model;

[0019] Fig. 9 It is a structural schematic diagram of the iron core with hook of the utility model.

[0020] In the figure: 1, bottom shell; 2, upper cover; 3, handle; 4, main shaft; 5, dial; 6, buckle arm; 7, electromagnetic mechanism; 71, bracket; 72, coil; 73, U-shaped yoke; 74, limit iron core; 75, first spring; 76, collision block; 77, hook iron core; 78, second spring; 79, limit block; 8, first cross bar; 9, groove; 10, raised part; 11, third spring; 12, vertical block; 13, retaining ring; 14, power socket; 15, torsion spring; 16, dial block; 17, rotating shaft; 18, bending part; 19, stop block; 20, second cross bar. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 9 The utility model provides a technical solution: an operating mechanism of an isolating switch, comprising a bottom shell 1, an upper cover 2 installed on the top of the bottom shell 1, and a main shaft 4 rotatably installed on the bottom shell 1 and the upper cover 2, a buckle is provided at the bottom of the bottom shell 1 to facilitate the installation of the bottom shell 1 on the isolating switch, two ends of the main shaft 4 respectively penetrate the bottom shell 1 and the upper cover 2, a handle 3 is installed on the top of the main shaft 4, a dial 5 is provided on the outside of the main shaft 4, a dial block 16 is provided at the bottom of the dial 5, and the dial block 16 pushes the second cross bar 20 , so that the main shaft 4 rotates, a second cross bar 20 matched with the dial block 16 is fixedly connected to the main shaft 4, a rotating shaft 17 is rotatably connected inside the bottom shell 1, a buckle arm 6 is provided on the outside of the rotating shaft 17, a protrusion 10 matched with the buckle arm 6 is provided on the outside of the dial 5, and the buckle arm 6 cooperates with the protrusion 10 to prevent the dial 5 from rotating, a torsion spring 15 is installed inside the bottom shell 1 and below the dial 5, and a groove 9 is provided on the outer wall of the dial 5, and the groove 9 is convenient for the torsion spring 15 to make the dial The disk 5 rotates, one end of the torsion spring 15 extends to the inside of the groove 9, a vertical block 12 is provided on the buckle arm 6, a third spring 11 is installed inside the bottom shell 1, and a stopper 19 corresponding to the third spring 11 is provided on one side of the buckle arm 6. The stopper 19 facilitates the third spring 11 to push the buckle arm 6 to rotate. An electromagnetic mechanism 7 for limiting the buckle arm 6 is installed inside the bottom shell 1. The electromagnetic mechanism 7 can also release the limiting effect on the buckle arm 6. One end of the buckle arm 6 close to the electromagnetic mechanism 7 is provided There is a bending portion 18. When remote opening is required, the coil 72 is energized to attract the impact block 76. The impact block 76 no longer limits the snap arm 6. The third spring 11 pushes the snap arm 6 to rotate around the rotating shaft 17 through the impact block 19. One end of the snap arm 6 no longer presses against the protrusion 10, and the dial 5 is no longer blocked by the snap arm 6. Then the torsion spring 15 rotates the dial 5, and the dial 5 drives the dial block 16 to rotate. The dial block 16 rotates the main shaft 4 through the second cross bar 20, thereby realizing remote control opening.

[0023] Among them, the electromagnetic mechanism 7 includes a bracket 71, which is fixedly installed inside the bottom shell 1, and a U-shaped yoke 73 is provided on the outer side of the bracket 71. The U-shaped yoke 73 is used to guide and concentrate the magnetic field to enhance the magnetic field strength. A coil 72 is provided on the bracket 71. When the coil 72 is energized to generate magnetism, the hook core 77 is magnetized, and the hook core 77 becomes a magnet to attract the collision block 76, so that the collision block 76 is away from the bending portion 18 to release the limit on the buckle arm 6. A hook core 77 is provided inside the bracket 71, and a limiting core 74 is installed at the opening of the U-shaped yoke 73, and the limiting core 74 is fixedly connected to the bracket 71. A collision block 76 is slidably installed on the outer side of the limiting core 74, and the limiting block 79 is used to limit the collision block 76 to prevent the collision block 76 from separating from the limiting core 74. A first spring 75 is installed, one end of the hook core 77 extends to the inside of the collision block 76, and one end of the hook core 77 is provided with a limit block 79, and a second spring 78 is installed between the collision block 76 and the hook core 77, and the first spring 75 and the second spring 78 are both used to apply thrust to the collision block 76, and the collision block 76 pushes the bending portion 18 to limit the buckle arm 6, ensuring that one end of the buckle arm 6 is tightly against the protrusion 10 to prevent the dial 5 from rotating under the action of the torsion spring 15, using the first spring 75 and the second spring 78 two springs, play a double insurance role, even if one of the springs fails, the other spring can still play a role, and the reliability is higher, and the stiffness coefficients of the second spring 78 and the first spring 75 are greater than the stiffness coefficient of the third spring 11, and the second spring 78 is located inside the limit core 74.

[0024] A retaining ring 13 is installed on the outer side of the main shaft 4, and the retaining ring 13 is used to prevent the main shaft 4 from axial displacement.

[0025] A first cross bar 8 is disposed on the main shaft 4 , and the first cross bar 8 is used to facilitate the handle 3 to drive the main shaft 4 to rotate.

[0026] A power socket 14 is installed inside the bottom shell 1 , and the power socket 14 is connected to the coil 72 by wires, and an external wire is connected to the power socket 14 through a plug, so that the coil 72 is energized.

[0027] Specifically, when the remote control is to open the gate, the coil 72 is energized to generate magnetism, the hook core 77 is magnetized, and the hook core 77 becomes a magnet to attract the collision block 76, so that the collision block 76 is away from the bending portion 18 to release the limiting effect on the snap arm 6, and then the third spring 11 pushes the stop block 19 to make the snap arm 6 rotate with the rotating shaft 17 as the center, and one end of the snap arm 6 is away from the protruding portion 10, and the snap arm 6 no longer blocks the dial 5. The dial 5 rotates under the action of the torsion spring 15, and the dial 5 drives the dial block 16 to rotate, and the dial block 16 rotates the main shaft 4 through the second cross bar 20, thereby realizing remote control of opening the gate.

[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0030] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An operating mechanism of an isolating switch, comprising a bottom shell (1), an upper cover (2) mounted on the top of the bottom shell (1), and a main shaft (4) rotatably mounted on the bottom shell (1) and the upper cover (2), wherein two ends of the main shaft (4) respectively penetrate the bottom shell (1) and the upper cover (2), and a handle (3) is mounted on the top of the main shaft (4), characterized in that: A dial (5) is provided on the outer side of the main shaft (4), a shift block (16) is provided on the bottom of the dial (5), a second cross bar (20) matched with the shift block (16) is fixedly connected to the main shaft (4), a rotating shaft (17) is rotatably connected inside the bottom shell (1), a buckle arm (6) is provided on the outer side of the rotating shaft (17), a protrusion (10) matched with the buckle arm (6) is provided on the outer side of the dial (5), a torsion spring (15) is installed inside the bottom shell (1) and below the dial (5), The outer wall of the dial (5) is provided with a groove (9), one end of the torsion spring (15) extends into the interior of the groove (9), a vertical block (12) is provided on the buckle arm (6), a third spring (11) is installed inside the bottom shell (1), a stop block (19) corresponding to the third spring (11) is provided on one side of the buckle arm (6), an electromagnetic mechanism (7) for limiting the buckle arm (6) is installed inside the bottom shell (1), and a bending portion (18) is provided at one end of the buckle arm (6) close to the electromagnetic mechanism (7).

2. The operating mechanism of the isolating switch according to claim 1, characterized in that: The electromagnetic mechanism (7) comprises a bracket (71), the bracket (71) is fixedly mounted inside the bottom shell (1), a U-shaped yoke (73) is provided on the outside of the bracket (71), a coil (72) is provided on the bracket (71), a hooked iron core (77) is provided inside the bracket (71), a limiting iron core (74) is installed at the opening of the U-shaped yoke (73), and the limiting iron core (74) is fixedly connected to the bracket (71), and the limiting iron core A collision block (76) is slidably installed on the outer side of (74), a first spring (75) is installed between the collision block (76) and the limiting iron core (74), one end of the hook iron core (77) extends to the inside of the collision block (76), and a limiting block (79) is provided at one end of the hook iron core (77), a second spring (78) is installed between the collision block (76) and the hook iron core (77), and the second spring (78) is located inside the limiting iron core (74).

3. The operating mechanism of the isolating switch according to claim 1, characterized in that: A retaining ring (13) is installed on the outer side of the main shaft (4).

4. The operating mechanism of the isolating switch according to claim 1, characterized in that: A first crossbar (8) is provided on the main shaft (4).

5. The operating mechanism of the isolating switch according to claim 1, characterized in that: A power socket (14) is installed inside the bottom shell (1).

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