CN114023577A - Holding mechanism of high-speed switch - Google Patents

Abstract

The invention discloses a retaining mechanism of a high-speed switch, which comprises a closing magnetic yoke and an opening magnetic yoke which are sequentially arranged outside a driving shaft lever from top to bottom, wherein a magnetic guide yoke is arranged between opposite sides of the closing magnetic yoke and the opening magnetic yoke, a tile-shaped magnet is fixedly arranged on the inner surface of the magnetic guide yoke, and a magnetic conductive ring is fixedly arranged on the inner surface of the tile-shaped magnet. This high speed switch's retaining mechanism utilizes closing yoke, separating brake yoke, magnetic yoke, tile shape magnet, magnetic ring package assembly to form a strong magnetic circuit field, and when the drive core moved up and down in the magnetic ring and targetting in place, strong magnetic circuit field formed strong magnetic attraction with the drive core, can firmly keep in the deciliter position, has avoided traditional low pressure duplex high speed change over switch during operation, utilizes the suction that produces between permanent magnet and the iron suction plate to fix, is difficult to the problem of remain stable.

Description

Holding mechanism of high-speed switch

Technical Field

The invention relates to the technical field of electrical switches, in particular to a retaining mechanism of a high-speed switch.

Background

In the domestic switch field, two paths of power supply change-over switches used in a low-voltage grid system circuit at present are switched on and operated from the fault acquisition of a main power supply circuit to the switching-on of a standby power supply, and the switching-over completion time is in the second level, so that a plurality of electrical equipment are interrupted or operational overvoltage and inrush current conditions are generated, and loss and damage are caused to the electrical equipment when the work is interrupted.

Referring to the Chinese patent, the invention provides a switch eddy current permanent magnet operating device (publication number: CN202487442U), which comprises a coil A and a coil B fixed on the upper part of a shell frame, and a permanent magnet A and a permanent magnet B fixed on the lower part of the shell frame, wherein a pair of permanent magnets are arranged at the lower end of the shell frame, and the permanent magnets attract an iron suction plate after the action, so that the state after the opening is more stable.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a retaining mechanism of a high-speed switch, which solves the problem that the existing low-voltage double-mechanism double-power-supply high-speed change-over switch is difficult to keep stable in the high-speed switch switching process because the fixation is carried out by utilizing the suction force generated between a permanent magnet and an iron suction plate when the existing low-voltage double-mechanism double-power-supply high-speed change-over switch works.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a holding mechanism of a high-speed switch comprises a closing magnetic yoke and an opening magnetic yoke which are sequentially installed outside a driving shaft lever from top to bottom, wherein a magnetic guide yoke is arranged between opposite sides of the closing magnetic yoke and the opening magnetic yoke, a tile-shaped magnet is fixedly installed on the inner surface of the magnetic guide yoke, a magnetic conductive ring is fixedly installed on the inner surface of the tile-shaped magnet, a driving iron core is fixedly installed on the outer surface of the driving shaft lever, the driving iron core is located inside the magnetic conductive ring, magnetic isolating rings are arranged on opposite sides of the closing magnetic yoke and the opening magnetic yoke, and a positioning mechanism and an installing mechanism are arranged between the closing magnetic yoke and the opening magnetic yoke and the magnetic isolating rings; the positioning mechanism comprises two magnetic isolation rings, wherein one sides of the two magnetic isolation rings, which are far away from each other, penetrate through the rotating fixing column, a positioning block is fixedly connected to one side of the fixing column, circular grooves are formed in the opposite sides of the closing magnetic yoke and the opening magnetic yoke, the inner surfaces of the circular grooves are connected with the outer surface of the fixing column in a sliding mode, one sides of the circular grooves are communicated with each other and provided with limiting grooves, the inner surfaces of the limiting grooves are connected with the outer surface of the positioning block in a sliding mode, one sides of the limiting grooves are communicated with each other and provided with positioning grooves, and the inner surfaces of the positioning grooves are connected with the outer surface of the positioning block in a sliding mode.

Preferably, threaded holes are formed among the closing magnetic yoke, the opening magnetic yoke and the magnetic conduction yoke, and countersunk bolts are connected to the inner surfaces of the threaded holes in a threaded mode.

Preferably, the closing magnetic yoke, the opening magnetic yoke, the magnetic conductive yoke and the magnetic conductive ring are all made of high-carbon element magnetic conductive materials.

Preferably, the assembly structure of the closing magnetic yoke, the opening magnetic yoke, the tile-shaped magnet and the magnetic conductive ring forms a strong magnetic loop field, and the driving iron core can be firmly kept at the opening and closing position when moving up and down in place in the magnetic conductive ring.

Preferably, the mounting mechanism comprises a sliding groove formed on the opposite sides of the closing magnetic yoke and the opening magnetic yoke, and a sliding sleeve is connected to the inner surface of the sliding groove in a sliding manner.

Preferably, one side of the sliding sleeve, which is close to the magnetism isolating ring, is fixedly connected with a connecting block, and one side of the connecting block is integrally formed with a clamping block.

Preferably, the inner wall of the magnetism isolating ring is provided with a clamping groove, and the inner surface of the clamping groove is clamped with the outer surface of the clamping block.

Preferably, the inside fixedly connected with elastic support piece of spout inner wall, elastic support piece is close to one side fixedly connected with trapezoidal piece at a distance from the magnetic ring, and one side of trapezoidal piece and one side contact of sliding sleeve.

Preferably, both sides at separating brake yoke top all are fixed with the fixed pulley, two the opposite side of connecting block all is fixed with the stay cord, two the surface of stay cord all passes through the surface of fixed pulley and extends to the inside of separating brake yoke, logical groove has been seted up to the inside of separating brake yoke, the both sides that lead to the inslot wall all slide and have the movable block, and the bottom of movable block can contact and extrude the trapezoidal piece with the inclined plane of trapezoidal piece, two the opposite side of movable block all is fixed with the elastic cord, the bottom of stay cord extends to the inside that leads to the groove and is fixed with the one end of elastic cord.

(III) advantageous effects

The invention provides a holding mechanism of a high-speed switch. Compared with the prior art, the method has the following beneficial effects:

(1) the holding mechanism of the high-speed switch is characterized in that a magnetic guide yoke is arranged between one opposite side of a closing magnetic yoke and an opening magnetic yoke, a tile-shaped magnet is fixedly arranged on the inner surface of the magnetic guide yoke, a magnetic conduction ring is fixedly arranged on the inner surface of the tile-shaped magnet, a driving iron core is fixedly arranged on the outer surface of a driving shaft rod and is positioned in the magnetic conduction ring, magnetic isolation rings are arranged on the opposite sides of the closing magnetic yoke and the opening magnetic yoke, a strong magnetic loop field is formed by the assembling structure of the closing magnetic yoke, the opening magnetic yoke, the magnetic guide yoke, the tile-shaped magnet and the magnetic conduction ring, when the driving iron core moves up and down in place in the magnetic conduction ring, strong magnetic attraction is formed between the strong magnetic loop field and the driving iron core, the driving iron core can be firmly held at an opening and closing position, and the phenomenon that the attraction force generated between a permanent magnet and an iron attraction plate is used for fixing when a traditional low-voltage double-power high-speed switch works is avoided, the stability is difficult to maintain.

(2) This high speed switch's retaining mechanism, through closing magnetic yoke and separating brake yoke all with separate and be provided with positioning mechanism and installation mechanism between the magnetic ring, utilize fixed column and circular slot adaptation among the positioning mechanism, slide through locating piece and spacing groove, and move to one side in the constant head tank, can carry out accurate location with separating the position that the magnetic ring needs to install, and realize preliminary fixed process, then the spout in the cooperation installation mechanism, the sliding sleeve, connecting block and fixture block, with fixture block and draw-in groove joint, it is spacing to utilize elastic support piece and trapezoidal piece to carry out, and realize further fixed process, not only can realize the installation and the dismantlement process to separating the magnetic ring, novel structure, and easy operation, convenient and fast use.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is a perspective view of a partial structure of the opening yoke of the present invention;

FIG. 3 is a perspective view of the external structure of the magnetism isolating ring of the present invention;

FIG. 4 is a front view of a first internal structure of the opening yoke and the magnetism isolating ring of the present invention;

FIG. 5 is a perspective view of the external structure of the mounting mechanism of the present invention;

FIG. 6 is a front view of a second internal structure of the opening yoke and the magnetism isolating ring of the present invention.

In the figure, 1-driving shaft lever, 2-closing magnetic yoke, 3-opening magnetic yoke, 4-magnetic yoke, 5-tile-shaped magnet, 6-magnetic conductive ring, 7-driving iron core, 8-positioning mechanism, 81-fixed column, 82-positioning block, 83-circular groove, 84-limiting groove, 85-positioning groove, 9-mounting mechanism, 91-sliding groove, 92-sliding sleeve, 93-connecting block, 94-clamping block, 95-clamping groove, 96-elastic supporting piece, 97-trapezoidal block, 98-fixed pulley, 99-pulling rope, 910-through groove, 911-moving block, 912-elastic rope, 10-magnetic isolating ring, 11-threaded hole and 12-countersunk head bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a holding mechanism of a high-speed switch comprises a closing magnetic yoke 2 and an opening magnetic yoke 3 which are sequentially arranged outside a driving shaft lever 1 from top to bottom, wherein a magnetic guide yoke 4 is arranged between the opposite sides of the closing magnetic yoke 2 and the opening magnetic yoke 3, threaded holes 11 are respectively arranged among the closing magnetic yoke 2, the opening magnetic yoke 3 and the magnetic guide yoke 4, the inner surface of each threaded hole 11 is in threaded connection with a countersunk bolt 12, a tile-shaped magnet 5 is fixedly arranged on the inner surface of the magnetic guide yoke 4, a magnetic conduction ring 6 is fixedly arranged on the inner surface of the tile-shaped magnet 5, the assembling structure of the magnetic yoke 2, the opening magnetic yoke 3, the magnetic guide yoke 4, the tile-shaped magnet 5 and the magnetic conduction ring 6 forms a strong magnetic loop field, when a driving iron core 7 moves up and down in place in the magnetic conduction ring 6, the high-carbon magnetic conduction material can be firmly held at the opening and closing position, and the closing magnetic yoke 2, the opening magnetic yoke 3, the magnetic conduction yoke 4 and the magnetic conduction ring 6 are all made of high-carbon magnetic conduction materials, a driving iron core 7 is fixedly installed on the outer surface of the driving shaft lever 1, the driving iron core 7 is located inside the magnetic conductive ring 6, magnetic isolation rings 10 are arranged on the opposite sides of the closing magnetic yoke 2 and the opening magnetic yoke 3, and a positioning mechanism 8 and an installation mechanism 9 are arranged between the closing magnetic yoke 2 and the opening magnetic yoke 3 and the magnetic isolation rings 10; the positioning mechanism 8 comprises two magnetism isolating rings 10, one side of each magnetism isolating ring 10 is far away from each other and is penetrated through a rotating fixed column 81, one side of the fixed column 81 is fixedly connected with a positioning block 82, opposite sides of a closing magnetic yoke 2 and a separating magnetic yoke 3 are respectively provided with a circular groove 83, the inner surface of the circular groove 83 is in sliding connection with the outer surface of the fixed column 81, one side of the circular groove 83 is communicated with a limiting groove 84, the inner surface of the limiting groove 84 is in sliding connection with the outer surface of the positioning block 82, one side of the limiting groove 84 is communicated with a positioning groove 85, the inner surface of the positioning groove 85 is in sliding connection with the outer surface of the positioning block 82, a strong magnetic loop field is formed by the assembling structure of the closing magnetic yoke 2, the separating magnetic yoke 3, the magnetic yoke 4, the tile-shaped magnet 5 and the magnetic conductive ring 6, when the driving iron core 7 moves up and down in place in the magnetic conductive ring 6, a strong magnetic attraction force is formed between the strong magnetic loop field and the driving iron core 7 can be firmly kept at the separating and combining position, the problem that the traditional low-voltage double-mechanism dual-power-supply high-speed change-over switch is difficult to keep stable because the attraction force generated between the permanent magnet and the iron suction plate is used for fixing when the traditional low-voltage double-mechanism dual-power-supply high-speed change-over switch works is solved.

Referring to fig. 4-6, the mounting mechanism 9 includes a sliding groove 91 formed on the opposite side of the closing yoke 2 and the opening yoke 3, a sliding sleeve 92 is slidably connected to the inner surface of the sliding groove 91, a connecting block 93 is fixedly connected to one side of the sliding sleeve 92 close to the magnetism isolating ring 10, a latch 94 is integrally formed on one side of the connecting block 93, a slot 95 is formed on the inner wall of the magnetism isolating ring 10, the inner surface of the slot 95 is in snap-fit connection with the outer surface of the latch 94, an elastic support 96 is fixedly connected to the inside of the inner wall of the sliding groove 91, a trapezoidal block 97 is fixedly connected to one side of the elastic support 96 close to the magnetism isolating ring 10, one side of the trapezoidal block 97 contacts with one side of the sliding sleeve 92, a fixing column 81 in the positioning mechanism 8 is adapted to the circular groove 83, slides through the positioning block 82 and the limiting groove 84, and moves to one side into the positioning groove 85, so as to accurately position where the magnetism isolating ring 10 needs to be mounted, and realize the process of preliminary fixing, then cooperate with runner 91, sliding bush 92, joint block 93 and fixture block 94 in the mounting mechanism 9, clamp the fixture block 94 with the draw-in groove 95, utilize elastic support 96 and trapezoidal block 97 to carry on the spacing, and realize the process of further fixing, not only can realize the installation and dismantlement process to the magnetic isolating ring 10, and novel in construction, easy operation, easy to use, both sides of the top of the opening yoke 3 are fixed with the fixed pulley 98, set up the fixed pulley 98 and turn to the stay cord 99, the opposite side of two joint blocks 93 is fixed with the stay cord 99, the surface of two stay cords 99 is all extended to the inside of the opening yoke 3 through the surface of the fixed pulley 98, open slot 910 has been offered in the inside of the opening yoke 3, both sides of the inner wall of open slot 910 have movable blocks 911, the movable block 911 extends to the outside of the opening yoke 3 and can be operated manually, and the bottom of the movable block 911 can contact with the inclined plane of the trapezoidal block 97 and extrude the trapezoidal block 97, elastic ropes 912 are fixed on opposite sides of the two moving blocks 911, the bottom ends of the pull ropes 99 extend into the through groove 910 and are fixed with one ends of the elastic ropes 912, the two moving blocks 911 are manually operated to move towards two sides, elastic potential energy is generated through the elastic ropes 912 and can pull the pull ropes 99 to move towards one side, the connecting block 93 is pulled to move towards one side after the fixed pulley 98 turns, after the moving block 911 extrudes the inclined plane of the trapezoidal block 97, after the elastic potential energy is generated through the elastic ropes 912, the connecting block 93 can move towards one side, the limit between the clamping block 94 and the clamping groove 95 is relieved, the rapid dismounting process of the magnetism isolating ring 10 is achieved, the operation is simple, and the use is convenient.

And those not described in detail in this specification are well within the skill of those in the art.

Before use, the fixing column 81 on the magnetism isolating ring 10 is inserted into the circular grooves 83 on the closing magnetic yoke 2 and the opening magnetic yoke 3, so that the fixing column 81 slides along the circular grooves 83, thereby driving the outer surface of the positioning block 82 to move on the inner surface of the limiting groove 84, when the positioning block 82 moves to the joint of the limiting groove 84 and the positioning groove 85, the fixing column 81 is rotated, the fixing column 81 rotates, so that the positioning block 82 slides into the positioning groove 85 and moves to the deepest part of the positioning groove 85, the position where the magnetism isolating ring 10 needs to be installed can be accurately positioned, and the primary fixing process is realized, at the moment, the connecting block 93 is pushed to one side, so that the connecting block 93 moves to one side, thereby driving the sliding sleeve 92 to move to one side, the connecting block 93 moves to one side, so that the clamping block 94 is clamped into the clamping groove 95, at the moment, the trapezoidal block 97 is ejected under the action of the elastic support piece 96, and the trapezoidal block 97 limits the sliding sleeve 92, when the low-voltage dual-mechanism high-speed switch is used, the low-voltage dual-power-supply high-speed switch is switched when the driving shaft lever 1 drives the driving iron core 7 to move up and down, a strong magnetic loop field is formed by the combined structure of the closing magnetic yoke 2, the opening magnetic yoke 3, the magnetic conductive yoke 4, the tile-shaped magnet 5 and the magnetic conductive ring 6, and when the driving iron core 7 moves up and down in place in the magnetic conductive ring 6, strong magnetic attraction is formed between the strong magnetic loop field and the driving iron core 7, the driving iron core 7 can be firmly kept at an opening and closing position, so that the problem that the traditional low-voltage dual-mechanism high-speed switch is difficult to keep stable due to the fact that attraction generated between a permanent magnet and an iron attraction plate is used for fixing when the traditional low-voltage dual-power-supply high-speed switch works is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a high speed switch's hold mechanism, includes from last to installing closing yoke (2) and separating brake yoke (3) in driving shaft pole (1) outside down in proper order, its characterized in that: a magnetic guide yoke (4) is arranged between the opposite sides of the closing magnetic yoke (2) and the opening magnetic yoke (3), a tile-shaped magnet (5) is fixedly installed on the inner surface of the magnetic guide yoke (4), a magnetic conduction ring (6) is fixedly installed on the inner surface of the tile-shaped magnet (5), a driving iron core (7) is fixedly installed on the outer surface of the driving shaft rod (1), the driving iron core (7) is located inside the magnetic conduction ring (6), magnetic isolation rings (10) are arranged on the opposite sides of the closing magnetic yoke (2) and the opening magnetic yoke (3), and a positioning mechanism (8) and an installation mechanism (9) are arranged between the closing magnetic yoke (2) and the opening magnetic yoke (3) and the magnetic isolation rings (10);

the positioning mechanism (8) comprises two magnetic isolation rings (10), one sides of the two magnetic isolation rings are far away from each other and penetrate through the rotating fixing column (81), a positioning block (82) is fixedly connected to one side of the fixing column (81), circular grooves (83) are formed in the opposite sides of the closing magnetic yoke (2) and the opening magnetic yoke (3), the inner surfaces of the circular grooves (83) are in sliding connection with the outer surface of the fixing column (81), one sides of the circular grooves (83) are communicated with each other and provided with limiting grooves (84), the inner surfaces of the limiting grooves (84) are in sliding connection with the outer surface of the positioning block (82), one sides of the limiting grooves (84) are communicated with each other and provided with positioning grooves (85), and the inner surfaces of the positioning grooves (85) are in sliding connection with the outer surface of the positioning block (82).

2. A holding mechanism of a high speed switch according to claim 1, wherein: threaded holes (11) are formed among the closing magnetic yoke (2), the opening magnetic yoke (3) and the guide magnetic yoke (4), and countersunk bolts (12) are connected to the inner surface of the threaded holes (11) in a threaded mode.

3. A holding mechanism of a high speed switch according to claim 1, wherein: the closing magnetic yoke (2), the opening magnetic yoke (3), the magnetic conductive yoke (4) and the magnetic conductive ring (6) are all made of high-carbon element magnetic conductive materials.

4. A holding mechanism of a high speed switch according to claim 1, wherein: the combined structure of the closing magnetic yoke (2), the opening magnetic yoke (3), the magnetic yoke (4), the tile-shaped magnet (5) and the magnetic conductive ring (6) forms a strong magnetic loop field, and the driving iron core (7) can be firmly kept at the opening and closing position when moving up and down in place in the magnetic conductive ring (6).

5. A holding mechanism of a high speed switch according to claim 1, wherein: the mounting mechanism (9) comprises a sliding groove (91) formed in the opposite side of the closing magnetic yoke (2) and the opening magnetic yoke (3), and the inner surface of the sliding groove (91) is connected with a sliding sleeve (92) in a sliding mode.

6. A holding mechanism of a high speed switch according to claim 5, wherein: one side of the sliding sleeve (92) close to the magnetism isolating ring (10) is fixedly connected with a connecting block (93), and one side of the connecting block (93) is integrally formed with a clamping block (94).

7. A holding mechanism of a high speed switch according to claim 1, wherein: the inner wall of the magnetism isolating ring (10) is provided with a clamping groove (95), and the inner surface of the clamping groove (95) is clamped with the outer surface of the clamping block (94).

8. A holding mechanism of a high speed switch according to claim 5, wherein: the inner part of the inner wall of the sliding groove (91) is fixedly connected with an elastic supporting piece (96), one side, close to the magnetism isolating ring (10), of the elastic supporting piece (96) is fixedly connected with a trapezoidal block (97), and one side of the trapezoidal block (97) is in contact with one side of the sliding sleeve (92).

9. A holding mechanism of a high speed switch according to claim 8, wherein: both sides at separating brake yoke (3) top all are fixed with fixed pulley (98), two the opposite side of connecting block (93) all is fixed with stay cord (99), two the surface of stay cord (99) all passes through the surface of fixed pulley (98) and extends to the inside of separating brake yoke (3), logical groove (910) have been seted up to the inside of separating brake yoke (3), the both sides that lead to groove (910) inner wall all slide and have movable block (911), and the bottom of movable block (911) can contact and extrude trapezoidal block (97) with the inclined plane of trapezoidal block (97), two the opposite side of movable block (911) all is fixed with elastic rope (912), the bottom of stay cord (99) extends to the inside that leads to groove (910) and is fixed with the one end of elastic rope (912).

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