CN215183741U - Electromagnetic holding relay - Google Patents

Abstract

The utility model belongs to the technical field of relays, in particular to an electromagnetic latching relay, which comprises a shell, a transmission piece, an electromagnetic driving component and a spring plate component, wherein the electromagnetic driving component comprises an electromagnetic coil, an iron core fixing frame and a magnetic rotating block, the magnetic rotating block is rotationally connected on the iron core fixing frame and positioned at one side of the electromagnetic coil, two ends of the magnetic rotating block are respectively positioned at one side of two ends of the electromagnetic coil, the transmission piece is arranged inside the shell, the spring plate component is positioned in a spring plate groove, when the electromagnetic core is electrified, the electromagnetic core generates magnetism, and magnetizes the magnetizing rotor to rotate, drives the driving sheet to move when the magnetizing rotor rotates, drives the elastic sheet component to deform when the driving sheet moves, separates the elastic sheet component from the execution circuit, the binding force of contact of the elastic sheet assembly and the execution circuit is further improved, and the stability of the relay is improved.

Description

Electromagnetic holding relay

Technical Field

The utility model belongs to the technical field of the relay, especially, relate to an electromagnetism latching relay.

Background

An electromagnetic relay is an automatic switch which uses a smaller current and a lower voltage to control a larger current and a higher voltage. The function of controlling the large current with the small current is realized by means of an electromagnet arranged in an electromagnetic relay, and by introducing the small current into a coil of the electromagnet, the electromagnet generates a magnetic field, and attracts or loosens an armature by utilizing the generation or disappearance of the magnetic field, so that the attraction or disconnection between the conductive elastic sheets is driven, and the conduction of a large current loop is realized. Electromagnets are important components of electromagnetic relays.

The control circuit of the electromagnetic relay is communicated with the armature of the actuating circuit through the contacts, but the contacts of the existing relay are not contacted tightly enough, so that the phenomenon of accidental separation of the contacts is easy to occur, and inconvenience is caused to the relay control actuating circuit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetism latching relay aims at solving the electromagnetic relay among the prior art, and control circuit and execution circuit's contact produces the separation easily, leads to the fact inconvenient technical problem to relay control execution circuit.

In order to achieve the above object, an embodiment of the present invention provides an electromagnetic latching relay, including casing, transmission piece, electromagnetic drive assembly and shell fragment subassembly, the electromagnetic drive assembly includes solenoid, iron core mount and magnetism turning block, the inside of casing is provided with electromagnetism mounting groove and shell fragment groove, the iron core mount is fixed in the electromagnetism mounting groove, solenoid is fixed in on the iron core mount, the magnetism turning block rotate connect in on the iron core mount and be located one side of solenoid, the both ends of magnetism turning block are located respectively both ends one side of solenoid, the transmission piece set up in the inside of casing, the shell fragment subassembly is located the shell fragment inslot, the both ends of transmission piece with the shell fragment subassembly with the magnetism turning block is connected.

Optionally, the electromagnetic driving assembly further includes two wire guiding columns, one ends of the two wire guiding columns are fixed to the iron core fixing frame, and the other ends of the two wire guiding columns extend to the outside of the housing.

Optionally, a transmission groove is further formed in the housing, and the transmission piece is slidably connected to the inside of the transmission groove.

Optionally, a first connecting port and a second connecting port are respectively arranged at two ends of the transmission piece, a connecting strip is arranged on one side of the magnetic rotating block close to the first connecting port, the connecting strip penetrates through the first connecting port, and the elastic piece assembly penetrates through the second connecting port.

Optionally, the surface of the housing is provided with a rotation limiting opening, and the connecting strip extends from the rotation limiting opening to the outside of the housing.

Optionally, a reinforcing plate is arranged between the connecting strip and the magnetic rotating block.

Optionally, the iron core mount includes coil pedestal and two stoppers, the coil pedestal is fixed in the electromagnetism mounting groove, solenoid coil convolute in on the coil shaft, two the stopper is fixed in respectively the both ends of coil pedestal, the both ends of magnetism turning block all are provided with rotates the spacing groove, the tip of stopper extends to rotate the spacing inslot.

Optionally, the iron core fixing frame further comprises two rotating support plates, the two rotating support plates are respectively located on the upper side and the lower side of the limiting block and are connected with the limiting block in a clamping mode, and the magnetic rotating block is located between the two rotating support plates and is connected with the two rotating support plates in a rotating mode.

And a supporting strip is arranged between the two rotating supporting plates.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the electromagnetism latching relay have one of following technological effect at least: the relay comprises a shell, a transmission piece, an electromagnetic driving assembly and a spring piece assembly, wherein the electromagnetic driving assembly comprises an electromagnetic coil, an iron core fixing frame and a magnetic rotating block, an electromagnetic installation groove and a spring piece groove are formed in the shell, the iron core fixing frame is fixed in the electromagnetic installation groove, the electromagnetic coil is fixed on the iron core fixing frame, the magnetic rotating block is rotatably connected to the iron core fixing frame and positioned on one side of the electromagnetic coil, two ends of the magnetic rotating block are respectively positioned on one side of two ends of the electromagnetic coil, the transmission piece is arranged in the shell, the spring piece assembly is positioned in the spring piece groove, two ends of the transmission piece are connected with the spring piece assembly and the magnetic rotating block, when the electromagnetic core is electrified, the electromagnetic core generates magnetism and magnetizes the magnetizing rotating body to enable the magnetizing rotating body to rotate, the transmission piece is driven to move when the magnetizing rotating body rotates, the spring piece assembly is driven to deform when the transmission piece moves, the shell fragment subassembly separates with execution circuit, finally realize the control to execution circuit, can strengthen the drive power to the shell fragment subassembly through setting up of magnetization rotor, only need can control the direction of rotation of magnetization rotor through the electric current direction of control flow through electromagnetic core, the magnetization rotor rotates with the direction of difference, can realize normally opening or the normal close of shell fragment subassembly and execution circuit, in order to further promote the cohesion of shell fragment subassembly and execution circuit contact, promote the stability of relay.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an electromagnetic latching relay according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a hidden upper cover of an electromagnetic latching relay according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a bottom case of an electromagnetic latching relay according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an electromagnetic driving assembly of an electromagnetic latching relay according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a first conductive sheet and an elastic component of an electromagnetic latching relay according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a driving strap of an electromagnetic latching relay according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-shell 11-bottom box 12-upper cover

13-positioning hole 14-sealing positioning bulge 15-electromagnetic mounting groove

16-elastic sheet groove 17-first slot 18-limit groove

19-second slot 20-first conducting strip 21-terminal mounting hole

22-fixed end 23-first electrifying end 30-second conducting strip

31-contact end 32-second current end 33-buffer slope

40-transmission piece 41-first connection port 42-second connection port

50-electromagnetic drive assembly 51-electromagnetic iron core 52-iron core fixing frame

53-magnetization rotor 54-wire column 60-shrapnel component

61-first contact 62-elastic drive plate 63-first conductive plate

64-second conductive plate 111-rotation limiting opening 231-manganese-copper alloy section

232-pure copper section 233-signal sampling salient point 521-coil shaft bracket

522-limiting block 523-rotating supporting plate 531-connecting strip

532 reinforcing plate 631 first bending-avoiding protrusion 641 second bending-avoiding protrusion

221, a limit salient point 112 and a transmission groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, an electromagnetic latching relay is provided, which includes a housing 10, a first conductive sheet 20, a transmission sheet 40, a second conductive sheet 30, an electromagnetic driving assembly 50, and a spring assembly 60, wherein the housing 10 includes a bottom case 11 and an upper cover 12, a plurality of positioning posts are disposed on a bottom surface of the upper cover 12, positioning holes 13 corresponding to the positioning posts are disposed on a surface of the bottom case 11, a sealing positioning protrusion 14 is disposed on a top portion of the bottom case 11, the positioning posts are inserted into the positioning holes 13 when the upper cover 12 is disposed on the top portion of the bottom case 11, the positioning protrusion is attached to an inner side surface of the upper cover 12, an electromagnetic mounting groove 15 and a spring groove 16 are disposed inside the bottom case 11, the electromagnetic mounting groove 15 and the spring groove 16 are disposed inside the bottom case 11, the spring assembly 60 is disposed inside the spring groove 16, one end of the first conductive sheet 20 is fixedly connected with the elastic sheet assembly 60, the other end of the first conductive sheet 20 extends to the outside of the bottom case 11, a first contact 61 is fixed on the elastic sheet assembly 60, the second conductive sheet 30 is fixed on the bottom case 11 and is arranged opposite to the first contact 61, and the electromagnetic driving assembly 50 is fixed in the electromagnetic installation groove 15 and is used for controlling the deformation of the elastic sheet assembly 60, so that the first contact 61 is in contact with or disconnected from the second conductive sheet 30.

Specifically, the electromagnetic latching relay comprises a housing 10, a first conductive sheet 20, a second conductive sheet 30, an electromagnetic driving assembly 50 and a spring sheet assembly 60, wherein the housing 10 comprises a bottom case 11 and an upper cover 12, a plurality of positioning columns are arranged on the bottom surface of the upper cover 12, positioning holes 13 corresponding to the positioning columns are arranged on the surface of the bottom case 11, a sealing positioning bulge 14 is arranged on the top of the bottom case 11, when the upper cover 12 is arranged on the top of the bottom case 11, the positioning column is inserted into the positioning hole 13, the positioning bulge is attached to the inner side surface of the upper cover 12, the bottom box 11 is internally provided with an electromagnetic mounting groove 15 and a spring plate groove 16, so as to facilitate the installation of the elastic sheet assembly 60 and the electromagnetic driving assembly 50, one end of the first conductive sheet 20 is fixedly connected with the elastic sheet assembly 60, the other end of the first conductive sheet 20 extends to the outside of the bottom box 11, a first contact 61 is fixed on the elastic sheet assembly 60, and the second conductive sheet 30 is fixed on the bottom box 11 and is arranged opposite to the first contact 61; the ammeter connects on first conducting strip 20 and second conducting strip 30, drive elastic sheet subassembly 60 deformation when electromagnetic drive subassembly 50 circular telegram, first contact 61 is normally opened with second conducting strip 30, when electromagnetic drive subassembly 50 outage, first contact 61 is normally closed with second conducting strip 30, realize the control of relay to the ammeter, bottom surface reference column through upper cover 12, the location of upper cover 12 and end box 11 is realized in setting up of the surperficial locating hole 13 of end box 11, through the protruding inseparable cooperation that realizes upper cover 12 and end box 11 in location, make the relay structure compacter, simplify the relay structure, make things convenient for the dismouting and the maintenance of relay.

In another embodiment of the present invention, the first conductive plate 20 includes a fixed end 22 and a first power-on end 23, a first slot 17 is provided on the side wall of the bottom case 11, the first slot 17 communicates with the elastic sheet slot 16, the fixed end 22 is inserted into the first slot 17 and is fixedly connected to the elastic sheet assembly 60, the first power-on end 23 extends to the outside of the bottom case, a limit protrusion 221 is provided on the fixed end 22, a limit groove 18 is provided on the side wall of the first slot 17, and the limit protrusion 221 passes through the elastic sheet assembly 60 and extends to the inside of the limit groove 18.

Specifically, the limit protrusions 221 and the limit grooves 18 can fix and limit the fixed end 22, so as to improve the stability of the first conductive sheet 20 when being fixed to the bottom case 11.

In another embodiment of the present invention, the second conductive sheet 30 includes a contact terminal 31 and a second conduction terminal 32, the top of the bottom case 11 is provided with a second slot 19, the second slot 19 communicates with the sheet slot 16, the contact terminal 31 is inserted into the second slot 19, the second conduction terminal 32 extends to the outside of the bottom case, the contact terminal 31 is provided with a second contact, and the second contact is opposite to the first contact 61. Specifically, the second slot 19 may facilitate the fixing of the second conductive plate 30 to the bottom case 11, and the second contact may facilitate the contact between the second conductive plate 30 and the elastic member 60.

In another embodiment of the present invention, the extending direction of the first conducting terminal 23 and the second conducting terminal 32 is the same, the first conducting terminal 23 and the end portion of the second conducting terminal 32 are arranged in parallel, and the end portions of the first conducting terminal 23 and the second conducting terminal 32 are all provided with the terminal mounting hole 21. Specifically, the connection of the first conductive sheet 20 and the second conductive sheet 30 to the execution circuit can be facilitated by this arrangement.

In another embodiment of the present invention, the first power-on terminal 23 includes a manganin section 231 and a pure copper section 232 connected to the manganin section 231, the manganin section 231 is connected to the fixing terminal 22, and the terminal mounting hole 21 of the first power-on terminal 23 is located on the pure copper section 232. In particular, the montelukast alloy segments are used to pass shunt signals to the execution circuits in order to control the execution circuits.

In another embodiment of the present invention, 3 signal sampling bumps 233 are disposed on the top surface of the manganin segment 231. In particular, the signal sampling bumps 233 can facilitate sampling of the split signals.

In another embodiment of the present invention, a buffering inclined plane 33 is disposed on the second current-carrying end 32, and the buffering inclined plane 33 extends toward the bottom of the bottom case. Specifically, the buffer slopes 33 can facilitate the fixation of the terminals on the second conductive plate 30 while achieving that the terminal mounting holes 21 of the first conductive plate 20 and the second conductive plate 30 are kept in the agreed plane.

In another embodiment of the present invention, the elastic sheet assembly 60 includes an elastic driving plate 62, a first conductive plate 63 and a second conductive plate 64 stacked in sequence, the end of the elastic driving plate 62 is connected to the electromagnetic driving assembly 50, the first contact 61 is fixed on the elastic driving plate 62, and the second conductive plate 64 is welded on the fixed end 22. Specifically, the elastic driving plate 62 can facilitate the deformation of the elastic sheet assembly 60, and facilitate the driving of the electromagnetic driving assembly 50.

In another embodiment of the present invention, the first conductive plate 63 is provided with a first bending prevention protrusion 631. Specifically, the first bending prevention protrusion 631 may facilitate deformation of the first conductive plate 63.

In another embodiment of the present invention, a second bending-avoiding protrusion 641 is disposed on the second conductive plate 64, and the protrusion height of the second bending-avoiding protrusion 641 is greater than the protrusion height of the first bending-avoiding protrusion 631. Specifically, the second bending-avoiding protrusion 641 may facilitate deformation of the second conductive plate 64.

In another embodiment of the present invention, the electromagnetic driving assembly 50 includes an electromagnetic core 51, an iron core fixing frame 52 and a magnetizing rotor 53, the iron core fixing frame 52 is fixed in the electromagnetic installation groove 15, the electromagnetic core 51 is fixed in on the iron core fixing frame 52, the magnetizing rotor 53 is rotatably connected to the iron core fixing frame 52 and is located on one side of the electromagnetic core 51, both ends of the magnetizing rotor 53 are respectively located on one side of both ends of the electromagnetic core 51, the driving plate 40 is disposed in the inside of the casing 10, the spring plate assembly 60 is located in the spring plate groove 16, both ends of the driving plate 40 and the spring plate assembly 60 and the magnetizing rotor 53 are connected.

Specifically, when electromagnetic core 51 circular telegram, electromagnetic core 51 produces magnetism, and magnetize to magnetization rotor 53, make magnetization rotor 53 rotate, it removes to drive transmission piece 40 when magnetization rotor 53 rotates, drive shell fragment subassembly 60 deformation when transmission piece 40 removes, shell fragment subassembly 60 and execution circuit separation, finally realize the control to execution circuit, can strengthen the drive power to shell fragment subassembly 60 through magnetization rotor 53's setting, only need can control magnetization rotor 53's rotation direction through the electric current direction of control flow through electromagnetic core 51, magnetization rotor 53 rotates with the direction of difference, can realize shell fragment subassembly 60 and execution circuit's normally opening or normally closed, in order to further promote the cohesion of shell fragment subassembly 60 and execution circuit contact, promote the stability of relay.

In another embodiment of the present invention, the electromagnetic driving assembly 50 further includes two wire pillars 54, one end of each of the two wire pillars 54 is fixed to the iron core fixing frame 52, and the other end of each of the wire pillars 54 extends to the outside of the housing 10. In particular, the two wire posts 54 may facilitate access to external wires as well as facilitate winding of the coil.

In another embodiment of the present invention, a transmission groove 112 is further disposed inside the housing 10, and the transmission strap 40 is slidably connected inside the transmission groove 112. Specifically, the drive slot 112 may provide for ease of installation and sliding of the drive strap 40.

In another embodiment of the present invention, the two ends of the driving strap 40 are respectively provided with a first connecting port 41 and a second connecting port 42, the magnetizing rotator 53 is provided with a connecting strip 531 near one side of the first connecting port 41, the connecting strip 531 passes through the first connecting port 41, and the elastic component 60 passes through the second connecting port 42. Specifically, the connection between the driving strap 40 and the magnetizing rotator 53 and the spring assembly 60 can be achieved through the above structure.

In another embodiment of the present invention, a rotation limiting opening 111 is formed on the surface of the housing 10, and the connecting bar 531 extends from the rotation limiting opening 111 to the outside of the housing 10. Specifically, the rotation limiting opening 111 can limit the rotation of the magnetizing rotator 53, and can facilitate the shifting of the magnetizing rotator 53.

In another embodiment of the present invention, a reinforcing plate 532 is disposed between the connecting bar 531 and the magnetizing rotor 53. Specifically, a reinforcing plate 532 is provided to enhance the connection between the connecting bar 531 and the magnetizing rotator 53.

In another embodiment of the present invention, the iron core fixing frame 52 includes a coil bobbin bracket 521 and two stoppers 522, the coil bobbin bracket 521 is fixed in the electromagnetic installation groove 15, the electromagnetic iron core 51 is wound on the coil bobbin, two the stoppers 522 are fixed in respectively the two ends of the coil bobbin bracket 521, the two ends of the magnetization rotating body 53 are provided with the rotation limiting grooves, and the ends of the stoppers 522 extend to the rotation limiting grooves. Specifically, the rotation of the magnetizing rotator 53 may be restricted by the rotation of the rotation restricting groove and the stopper 522.

In another embodiment of the present invention, the iron core fixing frame 52 further includes two rotation supporting plates 523, two the rotation supporting plates 523 are respectively located on the upper and lower sides of the stopper 522 and connected to the stopper 522, the magnetization rotating body 53 is located two the rotation supporting plates 523 are connected to each other in a rotating manner, and the rotation supporting plates 523 are connected to each other in a rotating manner. Specifically, the rotation support plate 523 may facilitate the rotational coupling of the magnetizing rotator 53 with the core holder 52 and reinforce the structure of the core holder 52.

In another embodiment of the present invention, a support bar is disposed between the two rotating support plates 523. In particular, the support bars may reinforce the structure between the rotation support plates 523.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. An electromagnetic hold-down relay, characterized in that: including casing, driving plate, electromagnetic drive subassembly and shell fragment subassembly, the electromagnetic drive subassembly includes solenoid, iron core mount and magnetism turning block, the inside of casing is provided with electromagnetism mounting groove and shell fragment groove, the iron core mount is fixed in the electromagnetism mounting groove, solenoid is fixed in on the iron core mount, the magnetism turning block rotate connect in on the iron core mount and be located solenoid's one side, the both ends of magnetism turning block are located respectively solenoid's both ends one side, the driving plate set up in the inside of casing, the shell fragment subassembly is located the shell fragment inslot, the both ends of driving plate with the shell fragment subassembly with the magnetism turning block is connected.

2. An electromagnetic latching relay according to claim 1, characterized in that: the electromagnetic driving assembly is further provided with two lead columns, one ends of the two lead columns are fixed on the iron core fixing frame, and the other ends of the lead columns extend to the outside of the shell.

3. An electromagnetic latching relay according to claim 1, characterized in that: the inside of casing still is provided with the driving groove, drive plate sliding connection in the inside of driving groove.

4. An electromagnetic latching relay according to claim 1, characterized in that: the two ends of the transmission piece are respectively provided with a first connecting port and a second connecting port, one side of the magnetic rotating block, which is close to the first connecting port, is provided with a connecting strip, the connecting strip penetrates through the first connecting port, and the elastic piece assembly penetrates through the second connecting port.

5. The electromagnetic latching relay of claim 4, wherein: the surface of casing is provided with rotates spacing mouthful, the connecting strip is followed it extends to rotate spacing mouthful the outside of casing.

6. The electromagnetic latching relay of claim 4, wherein: and a reinforcing plate is arranged between the connecting strip and the magnetic rotating block.

7. An electromagnetic latching relay according to claim 1, characterized in that: the iron core mount includes coil pedestal and two stoppers, the coil pedestal is fixed in the electromagnetism mounting groove, solenoid coil convolute in on the coil shaft, two the stopper is fixed in respectively the both ends of coil pedestal, the both ends of magnetism turning block all are provided with rotates the spacing groove, the tip of stopper extends to rotate the spacing inslot.

8. An electromagnetic latching relay according to claim 7, characterized in that: the iron core fixing frame further comprises two rotating supporting plates, the two rotating supporting plates are respectively located on the upper side and the lower side of the limiting block and are connected with the limiting block in a clamping mode, and the magnetic rotating blocks are located between the two rotating supporting plates and are connected with the two rotating supporting plates in a rotating mode.

9. The electromagnetic latching relay of claim 8, wherein: and a supporting strip is arranged between the two rotating supporting plates.

Images