CN2599732Y

CN2599732Y - Step-by-step relay

Info

Publication number: CN2599732Y
Application number: CNU032283555U
Authority: CN
Inventors: 陈国昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-18
Filing date: 2003-01-18
Publication date: 2004-01-14
Anticipated expiration: 2013-01-18

Abstract

The utility model relates to the technology filed of stepping relay, which comprises a shell, an electromagnet arranged inside the shell, a pushing bar arranged near the electromagnet. The fore end of the pushing bar contacts with one layer ratchet on multi-layer ratchet wheel fixed in the shell with active connection. The other layers ratchets of the multi-layer ratchet wheel contact with one end of a lever fixed in the shell with active connection. The other end of the lever is connected with an elastic sheet metal with active contactor. The active contactor contacts with a static contactor. The utility model is characterized in that: the pushing bar is arranged vertically with the upper end contacting a pushing plate on the shell; a metal plate matching with the electromagnet is arranged on the pushing bar near the upper end and the metal plate can drive the pushing bar to move up and down. The lower end of the pushing bar as pushing end matches the upper ratchet on the multi-layer ratchet wheel. The utility model has the advantages of manual control and impulse current control, which widens the application range.

Description

Stepping relay

Technical field

The utility model relates to a kind of stepping relay, especially relates to the multistable stepping relay technical field of many controlled function.

Background technology

General electromagnetic relay is behind coil electricity, output contact is responsing excitation amount and change state, after inferior, must keep electric current in the coil just can make relay continue to keep this state, when coil current is cut off or is reduced to a certain value, output contact just returns to initial condition immediately, is a kind of device of monostable mode therefore.Have the inventor to develop a kind of does not need to keep electric current for this reason, energy-conservation, wiring is simple, safe and reliable, multistable stepping relay with various control function, its patent No. is 98227393.2, it comprises coil, armature, the contact, it is characterized in that its core component is a ratchet mechanism, totally three layers on ratchet, on, the following two-layer break-make that is used for controlling the contact, step motion is made in the middle level, one side of ratchet has push rod, push rod one end links to each other with armature, the opposite side of ratchet has braking location ratchet, it has a lot of advantages such as multistable, multi-functional control, advantage such as energy-conservation, but also there is the place of some blemisies in an otherwise perfect thing, as has only electric current could control its change state, can't adopt manual control, in some use occasion as having a power failure, impulse current generator has broken down or mechanical positioning control, just can't control, change its operating state, so it is normal to influence people relay, be convenient to use; This relay adopts traditional securing member to fix, so install and fix convenient and swift inadequately; Braking location detent design is reasonable inadequately, damages easily, influences the useful life of relay; Push rod end design is also reasonable inadequately, easily ratchet is pushed away excessively, causes misoperation, and we do further improvement every all needs.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of stepping relay at prior art, and its structural design is more reasonable, not only energy impulse Current Control can also be manually or mechanical part control, make the range of application of this relay wider.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this kind stepping relay, it includes shell, electromagnet is installed in the shell, it is connected with control line connector on shell, near electromagnet, settled and with the electromagnet suction and to have scolded the push rod that moves, the end that pushes away of push rod cooperates and contacts with one deck ratchet on the multilayer ratchet that is fixed on versatilely in the shell, and the ratchet of this other layer of multilayer ratchet be fixed on lever one end in the shell versatilely and cooperate and contact, the other end connecting band dynamic elasticity sheet metal of this lever, be fixed on that movable end has moving contact on the elastic sheet metal in the shell, moving contact cooperates with the fixed contact that is fixed on housings and contacts, moving contact and fixed contact are connected with the connector of charged line on the shell respectively, it is characterized in that described push rod is vertical the setting, the upper end of push rod cooperates with push pedal on the shell and contacts, simultaneously push rod cooperates with electromagnet and drives the metallic plate of push rod knee-action near being mounted with near the upper end, and the lower end of push rod just becomes the end that pushes away that cooperates with ratchet on the multilayer ratchet.

As improvement, its inboard of above-mentioned shell is fixed with torsion spring by reference column, and an end of torsion spring is fixed on the shell, and the other end is fastened on the push rod.

Improve, above-mentioned lever is connected with vertical side lever near multilayer ratchet one side again, and the side lever upper end is carried out socket with limit lever one end in the fixed housing versatilely and is connected the close push pedal inboard of the other end of limit lever.

Can also improve, its each side both sides, bottom of above-mentioned shell form draw-in groove, block the card that can stretch on the draw-in groove, form elastic foot on the little cross bar in the middle of the card, and elastic foot is inserted on the location hole of shell bottom surface.

At last, above-mentioned pushing away of push rod lower end held the ratchet that forms indent.

Compared with prior art, advantage of the present utility model is: relay has adopted the dual mode of push pedal control and pulse current control, not only pulse current can be controlled its operating state, and manually or the mechanical position limitation parts also can control its operating state, widened its range of application greatly; Structural design is more reasonable, adopted new limit lever, it is exactly to rotate along fixed axis point to wave, and be not easy to damage, and the ratchet of indent has been adopted in the lower end of push rod, easily the multilayer ratchet is promoted and locate, be not easy to cause its misoperation, more stable work, good reliability, the card structure has been adopted in the relay bottom, installs and uses convenient and quick; This relay construction design is more reasonable, with better function in a word, use is more convenient, is fit to promote the use of.

Description of drawings

The structure cutaway view of Fig. 1 stepping relay one side;

The structure cutaway view of Fig. 2 stepping relay opposite side;

Fig. 3 stepping relay upward view.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Anticipate as shown in the figure, this kind stepping relay, it includes shell 1, critical pieces such as electromagnet 13, push rod 3, lever 6, limit lever 17, elastic sheet metal 7, moving contact 8, fixed contact 9, multilayer ratchet 4, connector 10,11, production and assembly for convenience, shell 1 adopts goes up lower casing, be fixed up with securing member, 1 li on shell roughly centre position has installed and fixed electromagnet 13, the control coil of electromagnet 13 is connected with the control line connector of bilateral on shell, makes extraneous next pulse current can control the adhesive of electromagnet 13.Near electromagnet, settled and with the electromagnet suction and to have scolded the push rod 3 that moves, push rod 3 is vertical settings, the upper end of push rod 3 cooperates with push pedal 2 on the shell and contacts, the lower end of push rod 3 just becomes and pushes away end, cooperate with ratchet on the multilayer ratchet 4 and to contact, push rod 3 forms positioning port 27 near near the upper end simultaneously, flange position 26 for the metallic plate 14 that drives the push rod knee-action relies on, the ratchet 12 that indent is arranged is held in pushing away of push rod 3 lower ends, it cooperates with one deck ratchet on the multilayer ratchet of 1 li on shell and contacts, multilayer ratchet 4 is to be enclosed within on the pivot pin of shell side, under the promotion of external force, rotate,, multilayer ratchet location is rotated owing to adopted the ratchet 12 of indent, avoid rotating excessive, thereby cause the misoperation of relay.The ratchet of multilayer ratchet 4 other layers be fixed on lever 6 one ends in the shell versatilely and upwarp position 5 and cooperate and contact, the other end of this lever 6 connects drive one elastic sheet metal 7 by bayonet socket 18, elastic sheet metal 7 one ends are fixed on 1 li on shell, and be connected with the connector 11 of charged line on the shell, the other end is a movable end, be provided with moving contact 8, corresponding simultaneously shell 1 opposite side setting has been fixed fixed contact 9, another connector 10 of corresponding charged line on fixed contact and the shell connects, and moving contact 8 cooperates with fixed contact 9 and contacts.At this embodiment, we have adopted the multilayer ratchet 4 of three layers of ratchet, outer ratchet is held to cooperate with pushing away of push rod 3 and is contacted, other two-layer ratchet and lever 6 one ends upwarp position 5 and cooperate and contact, fix two groups lever 6 and sound contact sets accordingly in 1 li configuration of shell, form two groups charged line.The ratchet of multilayer ratchet can design multilayer in principle, decide as required, can be used for controlling the charged line of many groups, the ratchet of multilayer ratchet can be designed to identical simultaneously, or stagger mutually, realize the open close synchronization action of charged line, or the action of staggering mutually, these principles are just no longer launched to be described here, everybody can the reference background technology in the description of patent documentation.Above-mentioned metallic plate 14 downsides lean against on the fixed head 31 of electromagnet, upside has flange position 26, flange position 26 just relies on the positioning port 27 of push rod 3 upper ends, the flexibility of metallic plate 14 positioning and fixing and knee-action for convenience, fixed head 31 upside two ends stamp out the pin 28 of indent, and metallic plate 14 downsides stamp out socket 29, cooperate the location to live metallic plate 14 with socket by pin, flexible brace 30 is arranged simultaneously, its underpart is connected between the fixed head 31, top bends, and is pressed in the back side of metallic plate 14, thereby metallic plate 14 and fixed head 31 are coupled together.For push rod is resetted easily, improve the flexibility of work, the inboard of shell 1 is fixed with torsion spring 24 by reference column 25, and an end of torsion spring 24 is fixed on the shell 1, and the other end is fastened on the push rod 3.Prevent that the multilayer ratchet from rotating the position, we have also taked new position-limit mechanism, make lever 6 be connected with vertical side lever 16 near multilayer ratchet one side, side lever 16 upper ends are carried out socket with limit lever 17 1 ends in the fixed housing versatilely and are connected, the other end of limit lever 17 is near push pedal 2 inboards, when in case push rod 3 is depressed like this, when driving 4 rotations of multilayer ratchet by ratchet 12, multilayer ratchet 4 can not rotate the position, if the multilayer ratchet turns over a lattice ratchet again under action of inertia, just certainly will drive side lever 16 rises, driving limit lever 17 again rotates, and push pedal 2 positions move down, and have just limited the rotation of limit lever 17, so avoided the rotation of multilayer ratchet 4 to cross a phenomenon.The installation of push pedal 2 for convenience, push pedal 2 one sides are the positions, card division 23 that are stuck in the lower casing, opposite side is movable position 21, push pedal 2 is the evagination pin in the position, card division molds, open positioning port at last lower casing accordingly, position fixing by protruding pin and positioning port, when last lower casing with securing member fixedly the time, push pedal 2 one sides are blocked, push pedal 2 movable positions also mold interior evagination pin, be out location notch 22 but go up lower casing accordingly, cooperate with location notch, make the directed spacing activity up and down of movable position 21 energy by protruding pin.The last installation of relay for convenience, each side both sides, the bottom of shell 1 form draw-in groove 32, block the card 15 that can stretch on the draw-in groove, form elastic foot 19 on the little cross bar 33 in the middle of the card 15, elastic foot is inserted on the location hole 20 of shell bottom surface, when people will install relay, as long as the card 15 with pulling both sides makes card be shifted to both sides, then near on the mounting panel, be stuck on the mounting panel card 15 just passable, very convenient.Simultaneously on shell 1 can also print or engrave the use connection diagram of relay.

The operation principle of this stepping relay is such, when the connector of electromagnet 13 feeds a pulse current, electromagnet 13 adhesives, make metallic plate 14 be drawn onto the surface of electromagnet, because the flange position 26 of metallic plate 14 is to rely on the positioning port 27 of push rod 3, move down with regard to oppressing the elastic force that push rod 3 overcomes torsion spring 24, the ratchet of push rod 3 lower ends cooperates by the ratchet with multilayer ratchet 4 outsides, making multilayer ratchet 4 rotate a case puts, and also having rotated a case, put other layer ratchet of multilayer ratchet 4, because the cause of multilayer ratchet ratchet design, lever 6 has also been taken place or under deflection, thereby driving metallic elastic sheet 7 pops up or depresses downwards, make the sound contact that cooperatively interacts free contact or separation, thereby realize the open close control to charged line, when electromagnet 13 no powers, push rod 3 automatically resets under the resilient force of torsion spring 24.When using manually or during mechanical position limitation control, when hand or mechanical part promotion push pedal 2, the movable position of push pedal 2 just along stuck point to lower compression, the elastic force that promotion push rod 3 overcomes torsion spring moves down, the ratchet 12 of push rod 3 lower ends cooperates by the ratchet with multilayer ratchet 4 outsides, making multilayer ratchet 4 rotate a case puts, and also having rotated a case, put other layer ratchet of multilayer ratchet 4, because the cause of ratchet ratchet design, lever 6 has also been taken place or under deflection, thereby driving metallic elastic sheet 7 pops up or depresses downwards, make the sound contact that cooperatively interacts free contact or separate, thereby realize open close control, when hand or mechanical part are withdrawn charged line, push rod 3 automatically resets under the resilient force of torsion spring 24, also drives push pedal 2 and automatically resets.

Claims

1, a kind of stepping relay, it includes shell (1), electromagnet (13) is installed in the shell, it is connected with control line connector on shell, near electromagnet (13), settled and with the electromagnet suction and to have scolded the push rod (3) that moves, the end that pushes away of push rod cooperates and contacts with one deck ratchet on the multilayer ratchet (4) that is fixed on versatilely in the shell, and the ratchet of this other layer of multilayer ratchet (4) be fixed on lever (6) one ends in the shell versatilely and cooperate and contact, the other end connecting band dynamic elasticity sheet metal (7) of this lever (6), be fixed on that movable end has moving contact (8) on the elastic sheet metal in the shell, moving contact cooperates with the fixed contact that is fixed on housings (9) and contacts, moving contact and fixed contact respectively with shell on the connector (11 of charged line, 10) connect, it is characterized in that described push rod (3) is vertical the setting, the upper end of push rod (3) cooperates with push pedal (2) on the shell and contacts, simultaneously push rod (3) cooperates with electromagnet and drives the metallic plate (14) of push rod knee-action near being mounted with near the upper end, and the lower end of push rod just becomes with multilayer ratchet (4) goes up the end that pushes away that ratchet cooperates.

2, relay according to claim 1, it is characterized in that described metallic plate (14) downside leans against on the fixed head (31) of electromagnet, upside has flange position (26), the flange position leans against on the positioning port (27) of push rod upper end, and flexible brace (30) is connected between metallic plate (14) and the fixed head (31) simultaneously.

3, relay according to claim 2 it is characterized in that described fixed head (31) upside two ends stamp out the pin (28) of indent, and the metallic plate downside stamps out socket (29), cooperates the location to live metallic plate (14) with socket by pin.

4, relay according to claim 1 is characterized in that its inboard of described shell (1) is fixed with torsion spring (24) by reference column (25), and an end of torsion spring (24) is fixed on the shell, and the other end is fastened on the push rod (3).

5, relay according to claim 1, it is characterized in that described lever (6) is connected with vertical side lever (16) near multilayer ratchet one side, side lever upper end is carried out socket with limit lever (17) one ends in the fixed housing versatilely and is connected close push pedal (2) inboard of the other end of limit lever (17).

6, relay according to claim 1, it is characterized in that described multilayer ratchet (4) contains two-layer above ratchet at least, one deck ratchet of multilayer ratchet is held to cooperate with pushing away of push rod (3) and is contacted, other layer ratchet and lever (6) one ends upwarp position (5) and cooperate and contact, lever and the sound contact sets of organizing are fixed in configuration more in shell accordingly, form the charged lines of organizing more.

7, relay according to claim 6, it is characterized in that described multilayer ratchet (4) contains three layers ratchet, outer ratchet is held to cooperate with pushing away of push rod (3) and is contacted, other two-layer ratchet and lever (6) one ends upwarp position (5) and cooperate and contact, in shell, dispose the lever and the sound contact sets of fixing two groups accordingly, form two groups charged line.

8, relay according to claim 1, it is characterized in that described push pedal (2) one side is the position, card division (23) that is stuck in the lower casing, opposite side is movable position (21), push pedal (2) molds protruding pin in the position, card division, open positioning port at last lower casing accordingly, position fixing by protruding pin and positioning port, when last lower casing with securing member fixedly the time, push pedal (2) one sides are blocked, push pedal activity position (21) also molds protruding pin, be out location notch (22) but go up lower casing accordingly, cooperate with location notch, make the directed spacing activity up and down of movable position (21) energy by protruding pin.

9, relay according to claim 1, it is characterized in that its each side both sides, bottom of described shell (1) form draw-in groove (32), block the card (15) that can stretch on the draw-in groove, form elastic foot (19) on the little cross bar (33) in the middle of the card, elastic foot is inserted on the location hole (20) of shell bottom surface.

10, relay according to claim 1 is characterized in that the end that pushes away of described push rod (3) lower end forms the ratchet (12) of indent.