CN213401026U

CN213401026U - Magnetic latching relay with microswitch

Info

Publication number: CN213401026U
Application number: CN202022692451.XU
Authority: CN
Inventors: 胡冲; 陈诚盛; 黄志强
Original assignee: Zhejiang Guangwei Electronics Co ltd
Current assignee: Zhejiang Guangwei Electronics Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-06-08
Anticipated expiration: 2030-11-18

Abstract

The application relates to a magnetic latching relay with a microswitch, which comprises a base, an electromagnetic mechanism, a linkage mechanism and a contact mechanism, wherein the electromagnetic mechanism, the linkage mechanism and the contact mechanism are arranged in the base; a microswitch is arranged in the base and positioned on one side of the linkage mechanism, which is far away from the contact mechanism, and the trigger end of the microswitch faces the linkage mechanism; the base is provided with a abdicating hole with an opening facing to the connecting end of the microswitch, and the connecting end of the microswitch extends out of the base from the abdicating hole; and one end of the linkage mechanism, which is close to the microswitch, is linked with the electromagnetic mechanism. The control system has the advantages that the control of a plurality of groups of external circuits can be synchronously realized, and the control range of the relay is further expanded.

Description

Magnetic latching relay with microswitch

Technical Field

The application relates to the field of relays, in particular to a magnetic latching relay with a microswitch.

Background

The magnetic latching relay is a novel relay which utilizes the magnetic principle to control the opening and the cutting of a circuit, the normally open state or the normally closed state of the magnetic latching relay is completely obtained from the action of permanent magnetic steel, and the switching of the switch state is completed by means of the triggering of pulse electric signals with certain width.

Chinese patent document No. CN206322647U, granted in the related art, discloses a magnetic latching relay capable of resisting short-circuit current, the device includes a magnetic circuit system, a contact system, and a pushing structure, the pushing structure includes a movable contact, a movable spring piece, and a movable spring leading-out piece, the movable spring leading-out piece is provided at one side of the movable spring piece in the thickness direction and away from the movable contact; the static spring part comprises a static contact, a static spring piece and a static spring leading-out piece, and the static spring leading-out piece is also arranged on one side of the movable spring piece in the thickness direction and away from the movable contact, so that the direction of current flowing through the static spring leading-out piece is opposite to the direction of current flowing through the movable spring piece; when external circuit switched on under the action that promotes the structure, above-mentioned utility model can improve and move, the closed pressure of static contact to make circuit stability more when the switch-on.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the pushing structure can only singly complete the on/off of one external circuit, and is difficult to control multiple external circuits, and the control range is small.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the control range of the magnetic latching relay is small, the magnetic latching relay with the microswitch is provided.

The application provides a take micro-gap switch's magnetic latching relay adopts following technical scheme:

a magnetic latching relay with a microswitch comprises a base, an electromagnetic mechanism, a linkage mechanism and a contact mechanism, wherein the electromagnetic mechanism, the linkage mechanism and the contact mechanism are arranged in the base; a microswitch is arranged in the base and positioned on one side of the linkage mechanism, which is far away from the contact mechanism, and the trigger end of the microswitch faces the linkage mechanism; the base is provided with a abdicating hole with an opening facing to the connecting end of the microswitch, and the connecting end of the microswitch extends out of the base from the abdicating hole; and one end of the linkage mechanism, which is close to the microswitch, is linked with the electromagnetic mechanism.

By adopting the technical scheme, when the linkage mechanism slides under the driving of the electromagnetic mechanism, the linkage mechanism moves towards the direction close to or far away from the trigger end of the microswitch; when the linkage mechanism slides towards the direction close to the trigger end of the microswitch, the microswitch is conducted; meanwhile, as the linkage mechanism gradually moves away from the contact mechanism, the external circuit connected to the contact mechanism is disconnected; along with the slippage of the linkage mechanism, the control of a plurality of groups of external circuits can be synchronously realized, thereby further expanding the control range of the relay.

Preferably, be provided with in the base and let the holding tank of hole intercommunication, micro-gap switch blocks in to the holding tank.

Through adopting above-mentioned technical scheme, the holding tank can provide a relatively independent space for micro-gap switch to the interference that produces micro-gap switch when can reducing electromagnetic mechanism and link gear action has improved micro-gap switch's stability.

Preferably, the electromagnetic mechanism comprises a coil assembly and an armature assembly arranged on one side of the coil assembly; the central shaft of the armature component is rotationally arranged on the base, the linkage mechanism comprises a pushing sheet which is arranged on one side of the armature component in a sliding manner, and one end of the pushing sheet is close to the trigger end of the microswitch; the push sheet is provided with a slot, and one end of the armature component is inserted into the slot.

By adopting the technical scheme, after the coil assembly is electrified, the armature assembly is driven to rotate around the central shaft, and along with the rotation of the armature assembly, the armature assembly drives the pushing sheet to slide towards the direction close to or far away from the microswitch; the armature component can smoothly drive the pushing sheet to slide through the inserting and matching of the slot and one end of the armature component.

Preferably, a first terminal and a second terminal are arranged in the base, and the contact mechanism comprises a moving contact and a static contact which are arranged oppositely; one end of the moving contact is arranged on the pushing sheet, and the other end of the moving contact is contacted with the first wiring terminal; the static contact is arranged on the side wall of the second wiring terminal facing the moving contact.

By adopting the technical scheme, when the pushing sheet slides towards the direction close to the second terminal under the driving of the armature component, the moving contact slides towards the direction close to the static contact along with the pushing sheet; the mutual conduction of the first terminal and the second terminal is realized through the mutual interference of the moving contact and the static contact; the movable contact and the static contact can keep a conflict state under the action of the armature component, so that the stability of an external circuit during conduction is improved.

Preferably, the pushing sheet is provided with a yielding groove with an opening facing the first terminal, and the first terminal passes through the yielding groove.

Through adopting above-mentioned technical scheme, the setting in groove of stepping down enables first wiring end and must insert to the base inside more smoothly to reduced and promoted the piece and to the interference that first wiring end produced when installing first wiring end, optimized the installation overall arrangement of first wiring end.

Preferably, a sliding sheet is arranged on the pushing sheet, a sliding groove with an opening facing the sliding sheet is arranged on the base, and the sliding sheet extends out of the base from the sliding groove; the sliding sheet is arranged in the sliding groove in a sliding mode.

By adopting the technical scheme, when an emergency occurs, the sliding sheet can be used for manually sliding the pushing sheet, so that the moving contact and the static contact can be manually separated when the emergency occurs; the design is more humanized.

Preferably, be provided with the baffle that is located between electromagnetic mechanism and the first wiring end in the base, the baffle is provided with the limiting plate on the lateral wall towards the second wiring end, be provided with the draw-in groove towards the first wiring end on the limiting plate, first wiring end card is gone into to the draw-in groove in.

By adopting the technical scheme, the electromagnetic mechanism and the first wiring terminal can be separated by the partition plate, and the creepage distance between the electromagnetic mechanism and the first wiring terminal is increased by the partition plate, so that the mutual interference between the electromagnetic mechanism and the first wiring terminal can be reduced, and the working stability of the electromagnetic mechanism and the first wiring terminal is further improved; and through the first wiring terminal clamped in the clamping groove, the first wiring terminal can be more stably and firmly fixed in the base.

Preferably, a pressure plate positioned above the armature assembly is arranged in the base, a through jack is arranged on the pressure plate, and a central shaft of the armature assembly is inserted into and rotatably arranged in the jack; and a cover plate tightly pressed on the outer side of the pressing plate is arranged on the base.

Through adopting above-mentioned technical scheme, the clamp plate can carry on spacingly with the position of armature subassembly, and the rethread apron compresses tightly the clamp plate downwards on the base lateral wall to just can realize the fixed to the clamp plate, make things convenient for the installation of clamp plate fixed, improve the effect of equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. along with the slippage of the linkage mechanism, the control of a plurality of groups of external circuits can be synchronously realized, so that the control range of the relay is further expanded;

2. when an emergency occurs, the sliding sheet can realize manual sliding of the pushing sheet, so that the moving contact and the static contact can be manually separated when the emergency occurs; the design is more humanized.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial structure schematic view of fig. 1 after the cover plate is hidden.

Fig. 3 is a partial structural schematic view of fig. 2.

FIG. 4 is a schematic view showing a partial structure where the pushing piece is highlighted in the embodiment of the present application.

Description of reference numerals: 1. a base; 11. a hole of abdication; 12. accommodating grooves; 13. a chute; 14. a partition plate; 15. a limiting plate; 16. a card slot; 17. pressing a plate; 18. a jack; 19. a cover plate; 2. an electromagnetic mechanism; 21. a coil assembly; 23. an armature assembly; 3. a linkage mechanism; 31. a push sheet; 311. a yielding groove; 32. a slot; 33. sliding blades; 4. a contact mechanism; 41. a moving contact; 42. static contact; 5. a microswitch; 61. a first terminal; 62. a second terminal.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a magnetic latching relay with a microswitch. Referring to fig. 1 and 2, the magnetic latching relay with the microswitch comprises a base 1 with a hollow interior, wherein an electromagnetic mechanism 2, a linkage mechanism 3 and a contact mechanism 4 for switching on and off an external circuit are sequentially installed in the base 1. A micro switch 5 for switching on and off another group of external circuits is also arranged in the base 1, and the micro switch 5 and the contact mechanism 4 are respectively positioned at two ends of the linkage mechanism 3.

As shown in fig. 2 and 3, the electromagnetic mechanism 2 includes a coil assembly 21 fixedly installed in the base 1, and an armature assembly 23 installed between the coil assembly 21 and the linkage mechanism 3. The central axis of the armature assembly 23 is rotatably mounted on the side wall of the base 1, and the central axis of the armature assembly 23 is arranged along the height direction of the base 1. The coil assembly 21 is fixedly provided with yokes symmetrically arranged at two sides of the armature assembly 23, and when the coil assembly 21 is electrified, the armature assembly 23 can be driven to swing around a central shaft under the action of the yokes.

As shown in fig. 1 and 2, a pressure plate 17 positioned at the top of the armature assembly 23 is mounted on the base 1, a through insertion hole 18 is formed in the pressure plate 17, and the position of the insertion hole 18 is opposite to the central axis of the armature assembly 23. The central shaft of the armature assembly 23 is inserted into the insertion hole 18, and the central shaft of the armature assembly 23 is rotatably disposed on the pressure plate 17 through the insertion hole 18. The top of the base 1 is also fixedly covered with a cover plate 19 positioned on the side of the pressure plate 17 away from the armature component 23, and the cover plate 19 is used for covering the top opening of the base 1. Therefore, the stability of the components in the base 1 during working can be improved, and the external interference is reduced.

As shown in fig. 3 and 4, the linkage mechanism 3 includes a pushing piece 31 disposed on one side of the armature assembly 23, and the pushing piece 31 is slidably disposed in the base 1 along the length direction of the base 1. The pushing piece 31 is provided with a slot 32 with an opening facing the armature assembly 23, and the side wall of the armature assembly 23 facing the pushing piece 31 is provided with an insert block through which the armature assembly 23 is inserted into the slot 32. When the armature assembly 23 swings, the armature assembly 23 drives the pushing piece 31 to slide along the length direction of the base 1. One end of the pushing piece 31 is close to the trigger end of the micro switch 5.

As shown in fig. 2 and 3, a receiving groove 12 is formed in the base 1 on one side of the pushing piece 31, the micro switch 5 is clamped into the receiving groove 12, and the trigger end of the micro switch 5 faces the sliding direction of the pushing piece 31. Still be provided with on the lateral wall of base 1 with the hole of stepping down 11 of holding tank 12 intercommunication, microswitch 5's link is worn out to the base 1 outside through the hole of stepping down 11. The slot 32 is located at one end of the pushing piece 31 close to the microswitch 5, so that the pushing piece 31 can be ensured to trigger the microswitch 5 more sensitively.

As shown in fig. 2 and 3, a first terminal 61 and a second terminal 62 are disposed in the base 1 at an end of the pushing piece 31 facing away from the microswitch 5. The first terminal 61 is opposite to the second terminal 62, and the contact mechanism 4 includes a movable contact 41 fixedly mounted on the first terminal 61 and a stationary contact 42 fixedly mounted on the second terminal 62. The moving contact 41 is disposed opposite to the stationary contact 42.

As shown in fig. 2 and 3, the pushing piece 31 is provided with a relief groove 311 that opens toward the first terminal 61, and the lower end of the first terminal 61 is inserted into the relief groove 311. The width of the relief groove 311 is larger than the width of the first terminal 61, and the first terminal 61 is maintained in a fixed state when the push tab 31 is actuated.

As shown in fig. 1 and fig. 2, a sliding piece 33 is fixedly mounted on a side wall of the pushing piece 31 departing from the first terminal 61, a sliding slot 13 with an opening facing the sliding piece 33 is arranged at the bottom of the base 1, and the sliding piece 33 extends out of the base 1 through the sliding slot 13. And the slide piece 33 is slidably disposed in the slide groove 13 in the swinging direction of the push piece 31.

As shown in fig. 2 and 3, a partition 14 located between the electromagnetic mechanism 2 and the first terminal 61 is fixedly installed in the base 1, a limit plate 15 facing the second terminal 62 is fixedly installed on the partition 14, and the limit plate 15 is located below the first terminal 61. The limiting plate 15 is provided with a clamping groove 16 with an opening facing the first terminal 61, the first terminal 61 is clamped in the clamping groove 16, and the side wall of the first terminal 61, which is away from the second terminal 62, is attached to the partition 14.

The implementation principle of the magnetic latching relay with the microswitch in the embodiment of the application is as follows: when the pushing piece 31 slips under the driving of the electromagnetic mechanism 2, the pushing piece 31 will move towards or away from the triggering end of the micro switch 5. When the pushing piece 31 slides towards the direction close to the trigger end of the microswitch 5, the microswitch 5 will be switched on. Meanwhile, as the pushing piece 31 moves away from the second terminal 62, the moving contact 41 and the stationary contact 42 are separated from each other, and the external circuit connected to the first terminal 61 and the second terminal 62 is instantly disconnected. Therefore, synchronous control of multiple groups of external circuits is realized, and the control range of the relay is further expanded.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A magnetic latching relay with a microswitch comprises a base (1), an electromagnetic mechanism (2), a linkage mechanism (3) and a contact mechanism (4), wherein the electromagnetic mechanism (2), the linkage mechanism (3) and the contact mechanism are arranged in the base (1); the method is characterized in that: a microswitch (5) is arranged in the base (1) and positioned on one side of the linkage mechanism (3) far away from the contact mechanism (4), and the trigger end of the microswitch (5) faces the linkage mechanism (3); the base (1) is provided with a yielding hole (11) with an opening facing to the connecting end of the microswitch (5), and the connecting end of the microswitch (5) extends out of the base (1) from the yielding hole (11); one end of the linkage mechanism (3) close to the microswitch (5) is linked with the electromagnetic mechanism (2).

2. The magnetic latching relay with microswitch of claim 1, wherein: be provided with in base (1) and holding tank (12) with stepping down hole (11) intercommunication, micro-gap switch (5) are blocked in to holding tank (12).

3. The magnetic latching relay with microswitch of claim 2, wherein: the electromagnetic mechanism (2) comprises a coil component (21) and an armature component (23) arranged on one side of the coil component (21); the central shaft of the armature component (23) is rotationally arranged on the base (1), the linkage mechanism (3) comprises a pushing sheet (31) which is slidably arranged on one side of the armature component (23), and one end of the pushing sheet (31) is close to the trigger end of the microswitch (5); an inserting groove (32) is formed in the pushing sheet (31), and one end of the armature component (23) is inserted into the inserting groove (32).

4. The magnetic latching relay with microswitch of claim 3, wherein: a first terminal (61) and a second terminal (62) are arranged in the base (1), and the contact mechanism (4) comprises a moving contact (41) and a fixed contact (42) which are oppositely arranged; one end of the moving contact (41) is arranged on the pushing sheet (31), and the other end of the moving contact (41) is contacted with the first terminal (61); the fixed contact (42) is arranged on the side wall of the second terminal (62) facing the movable contact (41).

5. The magnetic latching relay with microswitch of claim 4, wherein: the pushing sheet (31) is provided with a yielding groove (311) with an opening facing the first wiring terminal (61), and the first wiring terminal (61) penetrates through the yielding groove (311).

6. The magnetic latching relay with microswitch of claim 5, wherein: a sliding piece (33) is arranged on the pushing piece (31), a sliding groove (13) with an opening facing the sliding piece (33) is arranged on the base (1), and the sliding piece (33) extends out of the base (1) from the sliding groove (13); the sliding sheet (33) is arranged in the sliding groove (13) in a sliding mode.

7. The magnetic latching relay with microswitch of claim 4, wherein: be provided with baffle (14) that are located between electromagnetic mechanism (2) and first wiring end (61) in base (1), baffle (14) are provided with limiting plate (15) on the lateral wall towards second wiring end (62), be provided with draw-in groove (16) towards first wiring end (61) on limiting plate (15), first wiring end (61) card is gone into to draw-in groove (16).

8. The magnetic latching relay with microswitch of claim 3, wherein: a pressure plate (17) positioned above the armature component (23) is arranged in the base (1), a through jack (18) is arranged on the pressure plate (17), and a central shaft of the armature component (23) is inserted into and rotatably arranged in the jack (18); and a cover plate (19) tightly pressed on the outer side of the pressure plate (17) is arranged on the base (1).