CN207458855U - Single-break formula electromagnetic relay - Google Patents
Single-break formula electromagnetic relay Download PDFInfo
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- CN207458855U CN207458855U CN201720913682.4U CN201720913682U CN207458855U CN 207458855 U CN207458855 U CN 207458855U CN 201720913682 U CN201720913682 U CN 201720913682U CN 207458855 U CN207458855 U CN 207458855U
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Abstract
The utility model is related to a kind of single-break formula electromagnetic relays, including housing, are provided with electromagnet in the housing and are driven when electromagnet energization generates magnetic force towards electromagnet ontology movement or when electromagnet power-off is formed away from the armature of electromagnet ontology movement；And a moving contact, a static contact；The armature towards electromagnet ontology move when, armature drives moving contact to be contacted with static contact；When armature is away from electromagnet ontology, moving contact departs from static contact.The utility model is simple in structure, design is reasonable, disclosure satisfy that current loading it is little in the case of requirement and functional reliability it is good.
Description
Technical field
The utility model is related to a kind of single-break formula electromagnetic relays.
Background technology
The relay used at present is since structure design is unreasonable, and in the case where current loading is little, relay is still adopted
With the contact form of multiple spot, the waste of resource is caused, and multiple spot contact relay is of high cost, adds the use cost of client,
The requirement of client cannot be met.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of single-break formula electromagnetism reasonable in design
Relay, meet current loading it is little in the case of requirement.
The technical scheme for implementing the utility model is as follows：
Single-break formula electromagnetic relay including housing, is provided with electromagnet and is generated when electromagnet is powered in the housing
Magnetic force, which drives, to be moved towards electromagnet ontology or when electromagnet power-off is formed away from the armature of electromagnet ontology movement；
And a moving contact, a static contact；
The armature towards electromagnet ontology move when, armature drives moving contact to be contacted with static contact；Armature is away from electromagnetism
During iron body, moving contact departs from static contact.
The housing is connected by base enclosure with base enclosure to be formed whole cap and forms, and is formed between base enclosure and cap on accommodating
State the assembly space of electromagnet, armature, moving contact and static contact.
Assembly fixture is provided in the housing and is plugged in dynamic wire connection terminal, quiet that positioning is formed on assembly fixture respectively
Wire connection terminal；
One end of the dynamic wire connection terminal is in hull outside as wiring, and the other end is connected with movable contact spring, moves terminals
The middle part of son, which is plugged in assembly fixture, forms positioning, and one end of movable contact spring is connected with dynamic wire connection terminal, and the other end is used for fit on
State moving contact；
One end of the static terminal block is in hull outside as wiring, and the other end is in the lower section for extending to moving contact
For assembling above-mentioned static contact, it is plugged in the middle part of static terminal block in assembly fixture and forms positioning；
It is provided between the movable contact spring and armature and hauls movable contact spring after electromagnet energization with by moving contact and static contact
The pulling mechanism of contact；After electromagnet power-off, under movable contact spring, armature reset force, moving contact departs from static contact.
The pulling mechanism includes connecting plate, pulling plate, and one end of connecting plate is connected with armature, the other end of connecting plate and drawing
One end connection of plate, the other end of pulling plate and the end of movable contact spring assembling moving contact form and connect.
Moving contact, the one side of static contact are provided with arc extinguishing magnet steel in housing.
The assembly fixture one side is provided with skeleton, which has the first platform, the second platform and by the first platform, second
The tubular connection piece of platform connection forms the placement space of electromagnet coil between the first platform, the second platform, magnet coil
Both ends extend to hull outside, have the passage for electromagnet core insertion in tubular connection piece；It is flat that above-mentioned armature is in second
Below platform, after electromagnet coil power, the suction-combining force that iron core generates moves armature towards electromagnet ontology direction.
It is formed and connected by yoke between the skeleton and assembly fixture, one end of the yoke, which is plugged in be formed in assembly fixture, determines
Position, the other end extend to above the first platform and offer the insertion hole for the insertion of electromagnet core end.
Spring support is connected on the yoke, which includes the first spring leaf, second spring piece, the first spring
One end of piece is fixedly connected with one end of second spring piece, and forms angle between the first spring leaf and second spring piece,
First spring leaf, the junction of second spring piece offer notch, and one end of armature passes through the notch and connecting plate
Connection, the other end of armature is in below the second platform, and after electromagnet coil power, iron core generates the suction-combining force by armature direction electricity
Magnet body direction moves；
The other end of first spring leaf is connected on yoke.
The other end of the second spring piece offers the pilot hole through the first spring leaf, fixes and sets in armature lower surface
It is equipped with the lead being interspersed in pilot hole.
The other end of the second spring piece is fixedly connected with one end that armature is in below the second platform.
Employ above-mentioned technical proposal, when electromagnet obtains it is electric after, generate the suction-combining force simultaneously by armature towards electromagnet ontology inhale
It closing, by armature moving contact is driven to be contacted with static contact, such relay is connected, and after electromagnet dead electricity, armature is away from electricity
During magnet body, moving contact departs from static contact, and relay disconnects.The utility model is simple in structure, design is reasonable, disclosure satisfy that
Requirement and functional reliability in the case of current loading is little is good.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the rear view three-dimensional structure of Fig. 1；
Fig. 3 is the fractionation explosion figure structure schematic representation of the utility model；
Fig. 4 conceals the dimensional structure diagram after cap for Fig. 1；
Fig. 5 is that the structure diagram after assembly fixture and electromagnet is hidden in figure；
Fig. 6 is the dimensional structure diagram of cap in the utility model；
Fig. 7 is assembly fixture and dynamic wire connection terminal, the assembling structure floor map of static terminal block in the utility model；
Fig. 8 is the dimensional structure diagram of Fig. 7；
Fig. 9 is the side perspective structure diagram of assembly fixture in the utility model；
Figure 10 is the left view dimensional structure diagram of Fig. 9；
Figure 11 is the structure diagram of the utility model middle skeleton；
Figure 12 is the structure diagram after the utility model middle skeleton, iron core and yoke assembling；
Figure 13 is the fitting plane structure diagram that wire connection terminal and movable contact spring are moved in the utility model；
Figure 14 is the dimensional structure diagram of pulling plate in the utility model；
Figure 15 is the structure diagram of spring support in the utility model；
Figure 16 is the side structure schematic view of armature in the utility model；
In attached drawing：1 is housing, and 2 be electromagnet, and 3 be armature, and 4 be moving contact, and 5 be static contact, and 6 be base enclosure, and 7 be cap,
8 be assembly fixture, and 9 be dynamic wire connection terminal, and 10 be static terminal block, and 11 be movable contact spring, and 12 be horizontal slot, and 13 be horizontal location
Mouthful, 14 be horizontal protrusions, and 15 is at riveting, 16 are bending part, and 17 be the first slot, and 18 be aligning receptacle, and 19 be protrusion,
20 be static contact mounting plate, and 21 be folded end, and 22 be connecting plate, and 23 be pulling plate, and 24 be arc extinguishing magnet steel, and 25 be pedestal, 26
For L-type cavity, 27 be L-type magnetic conductive board, and 28 be skeleton, and 29 be the first platform, and 30 be the second platform, and 31 be tubular connection piece, 32
It is electromagnet core for placement space, 33,34 be passage, and 35 be yoke, and 36 be positioning protrusion, and 37 be the second slot, and 38 be slotting
Mouthful, 39 be card slot, and 40 be spring support, and 41 be the first spring leaf, and 42 be second spring piece, and 43 be notch, and 44 be pilot hole,
45 be connector, and 46 be bulge loop, and 47 be pilot hole, and 48 be lead, and 49 is allow bit space, and 50 be engaging lug, and 51 be flanging, 52
For clearance space.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, it is described
Embodiment is the part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained on the premise of without creative work, all belongs to
In the scope of the utility model protection.
As shown in Fig. 1-16, single-break formula electromagnetic relay, including housing 1, be provided in the housing electromagnet 2 and
It is driven when electromagnet energization generates magnetic force towards electromagnet ontology movement or when electromagnet power-off is formed away from electromagnet ontology fortune
Dynamic armature 3.
And 4, static contacts 5 of a moving contact.
Armature towards electromagnet ontology move when, armature drives moving contact to be contacted with static contact；Armature is away from electromagnet sheet
During body, moving contact departs from static contact.
In specific implementation, housing is connected by base enclosure 6 with base enclosure to be formed whole cap 7 and forms, between base enclosure and cap
Form the assembly space for housing above-mentioned electromagnet, armature, moving contact and static contact；Accommodating space is respectively provided in base enclosure, cap,
After base enclosure connects into housing with cap, two accommodating spaces form a closed assembly space；Base enclosure may be employed often with cap
Snap-in structure is connected together or forms entirety by increasing connector (screw or bolt) connection.For the ease of inciting somebody to action
Being installed to using in equipment for relay, has engaging lug 50 in base enclosure or cap.
Assembly fixture 8 is provided in housing and is plugged in respectively, the dynamic wire connection terminal 9 of positioning is formed on assembly fixture, quiet is connect
Line terminals 10；One end of dynamic wire connection terminal is in the outside above housing as wiring, and the other end is connected with movable contact spring 11, moves
It is plugged in the middle part of wire connection terminal in assembly fixture and forms positioning, one end of movable contact spring is riveted with dynamic wire connection terminal, and the other end is downward
Bending is formed, and in the folded end 21 for assembling above-mentioned moving contact 4；When moving contact is contacted with static contact, touched equipped with dynamic
Movable contact spring one end of head, to lower swing, departs from at movable contact spring and dynamic wire connection terminal riveting 15 needing moving contact with static contact
When, movable contact spring can upwards be resetted in the elastic force of itself.The middle part of assembly fixture 8 is formed forms the resigning stepped down to movable contact spring
Space 49, movable contact spring allow bit space upper-lower height in the range of activity.In specific implementation, dynamic wire connection terminal is connected with movable contact spring
One end formed bending, the bending at this so that it is dynamic between wire connection terminal lower surface and movable contact spring upper surface formed gap sky
Between 52, to swing up and down leaving space for movable contact spring；Plane where movable contact spring folded end and plane where moving spring body it
Between form the included angle As of 6-15 degree, moving contact is installed on folded end and also forms corresponding angle, the i.e. inclined peace of moving contact
Dress, the static contact so placed with lower horizontal also form angle, and such structure can ensure between moving contact and static contact
Contact validity, reliability.
Assembly fixture offers horizontal slot 12 as shown in Fig. 9,10, in the upper horizontal direction of assembly fixture, moves terminals
The arrangement of horizontal direction is formed in the middle part insertion horizontal slot of son, opens up that there are two the levels that separate in the bottom of horizontal slot
Positioning port 13, moving the middle part of wire connection terminal has the horizontal protrusions 14 of insertion horizontal location mouth, when two horizontal protrusions one
After in one corresponding insertion horizontal location mouth, dynamic wire connection terminal is just mounted on assembly fixture, can not be transported in horizontal, vertical direction
It is dynamic.
One end of static terminal block 10 is in the outside below housing as wiring, and the other end is in and extends to moving contact
Lower section is plugged in assembly fixture in the middle part of static terminal block for assembling above-mentioned static contact 5 and forms positioning；The tool of static terminal block
Body structure forms bending part 16 in the middle part of static terminal block, and the lower section of horizontal slot be in the be vertically arranged in assembly fixture
One slot 17, above-mentioned bending part are in the first slot, and the first slot bottom offers aligning receptacle 18, on bending part 16
Protrusion 19 be inserted into, protrusion insertion aligning receptacle after, just static terminal block is assembled on assembly fixture, static contact terminal is filling
With can not horizontal, vertical direction movement on frame.The upper end of static terminal block bends out the static contact assembling for being easily installed static contact
Platform 20, the static contact mounting plate 20 are in 21 lower section of folded end of movable contact spring 11, and such moving contact moves downward can
It is contacted with static contact, moving contact moves upwards then to be departed from static contact.
It is provided between movable contact spring and armature and hauls what movable contact spring contacted moving contact with static contact after electromagnet energization
Pulling mechanism；After electromagnet power-off, under movable contact spring, armature reset force, moving contact departs from static contact.Pulling mechanism includes
Connecting plate 22, pulling plate 23, one end of connecting plate are connected with armature, and the other end of connecting plate and one end of pulling plate connect, pulling plate
The end of the other end and movable contact spring assembling moving contact, which is formed, to be connected.In the present embodiment：The upper and lower ends of connecting plate are to same lateral bending
Folding forms C-shaped, and lower end and the armature of connecting plate rivet, and upper end is connected with pulling plate one end, and pulling plate, connecting plate are using flexible
Metal material.The both sides of pulling plate and movable contact spring connecting pin bend inwards to form flanging 51, by moving contact be in two flangings it
Between, to strengthen the intensity at the pulling plate end.The assembly method of static contact and moving contact uses usual way, such as rivets.
Electric arc is generated when being separated in order to avoid moving contact with static contact, in moving contact, the one side of static contact in housing
It is provided with arc extinguishing magnet steel 24.By the setting of arc extinguishing magnet steel, the magnetic fields direction of magnet steel is that electric arc is made to be moved towards moving contact
Vertical direction movement, the magnetic field energy that magnet steel generates by between dynamic and static contact when the larger current disjunction issuable electric arc
It elongates, accelerates arc extinction, improve the folding ability and reliability of relay.In specific implementation, seat is formed in base enclosure inner wall
Body (plastic insulation material is made, can be with base enclosure same material) 25, extends L-type cavity 26 into pedestal from base enclosure outer wall,
Above-mentioned arc extinguishing alinco assembled is in L-type cavity, and such to set one be that positioning is convenient, second is that easily contact site establish magnetic field-
Generate arc extinguishing effect；Arc extinguishing magnet steel is square body, and arc extinguishing magnet steel one side sets the L being bonded with arc extinguishing magnet steel in L-type cavity
Type magnetic conductive board 27, the effect of magnetic conductive board are exactly to establish magnetic field together with magnet steel.
8 one side of assembly fixture is provided with skeleton 28, and in implementation, this skeleton is arranged vertically in housing, which has first
Platform 29, the second platform 30 and the tubular connection piece 31 for connecting the first platform, the second platform, the first platform, the second platform
Between formed electromagnet coil (not shown) placement space 32, the both ends of magnet coil extend to hull outside, are used for
Wiring；There is the passage 34 being inserted into for electromagnet core 33 in tubular connection piece；Above-mentioned armature is in below the second platform, electromagnetism
After iron coil is powered, the suction-combining force that iron core generates moves armature towards electromagnet ontology direction.
It is formed and connected by yoke 35 between skeleton and assembly fixture, one end of the yoke, which is plugged in be formed in assembly fixture, determines
Position, the other end extend to above the first platform and offer the insertion hole for the insertion of electromagnet core end.In specific implementation, yoke
The bending of iron upper end is treated to connect in the upper end of iron core 33 above the first platform, and middle part has a positioning protrusion 36, in assembly fixture
The second slot 37 is formed for being inserted into the middle part of yoke in the one side of the first slot 17, and the second slot bottom has for positioning protrusion
Yoke, is so assembled on assembly fixture by the socket 38 of insertion；The upper surface of first platform offer be recessed inwardly on yoke
The card slot 39 that the bending end at end is adapted, such yoke are formed with skeleton stent and positioned.
Spring support 40 is connected on yoke, which includes the first spring leaf 41, second spring piece 42, the first bullet
One end of reed is fixedly connected with one end of second spring piece, and forms angle between the first spring leaf and second spring piece, this
The first spring leaf, the second spring piece shown in embodiment is to be bent to form using a spring leaf from centre position.
First spring leaf, the junction of second spring piece offer notch 43, and one end of armature passes through the notch with being connected
Plate connects, and the other end of armature is in below the second platform, and after electromagnet coil power, iron core generates the suction-combining force by armature one end
Formed at notch upwards and towards the movement of electromagnet ontology direction, the other end of armature then declines；First spring leaf it is another
End is connected on yoke, i.e., has pilot hole 44 on the first spring leaf, have on yoke side wall in 45 plugging in fitting hole of connector
Form connection (such as riveting, screw connection).Armature in the application is that one end size is big, one end size is small as illustrated
Shape, the small one end of size pass through notch, and the big one end of size is in the suction-combining force generated below the second platform by iron core and is attracted,
In the course of work, to form fulcrum at notch, both ends are swung up and down armature；The lower end of electromagnet core is with sizes greater than iron core
The bulge loop 46 of body, after increasing electromagnet energization, the suction-combining force and magnetic field range of iron core, when electromagnet core assembles in place
Afterwards, bulge loop 46 is in the lower section of the second platform, but the top in armature, maintains gap therebetween, which is not more than
After electromagnet is powered, the suction-combining force scope of iron core generation.
Here the realization of the following two kinds connection mode may be employed with armature in second spring piece：
First way, the other end of second spring piece offers the pilot hole 47 through the first spring leaf, under armature
Surface is fixedly installed the lead 48 being interspersed in pilot hole.Such structure, lead are inserted into pilot hole, primarily serve
The guiding role that armature moves up and down；After electromagnet dead electricity, the disengaging of moving contact and static contact, mainly by the elastic force of movable contact spring
It resets upwards and the big one end of armature size falls, and the small one end of armature size drives and is pushed up on connecting plate 22 and drive pulling plate
23 rise.
The second way, the other end (the big one end of size) and the armature of second spring piece are in one below the second platform
End is fixedly connected (screw or bolt or the common connection mode of riveting).Like this, after electromagnet dead electricity, moving contact and stationary contact
The disengaging of head, on the basis of the first, adds the reset force of spring support, moving contact to be driven to depart from static contact.Cause
For electromagnet obtain it is electric after, the big one end of armature size moves upwards together with second spring piece, and passes through connecting plate, pulling plate
Drop-down, makes moving contact be contacted with static contact, and after electromagnet dead electricity, due to generating folder between the first spring leaf and second spring piece
Under the reset itself elastic force of angle and second spring piece, big one end moves downward with armature size, and such structure is compared with upper
The first way in face, structure is firm, and reset capability is strong.
Claims (10)
1. single-break formula electromagnetic relay, including housing, which is characterized in that be provided with electromagnet in the housing and work as electromagnetism
Tie Tong electricity generates magnetic force and drives towards electromagnet ontology movement or when electromagnet power-off is formed away from the rank of electromagnet ontology movement
Iron；
And a moving contact, a static contact；
The armature towards electromagnet ontology move when, armature drives moving contact to be contacted with static contact；Armature is away from electromagnet sheet
During body, moving contact departs from static contact.
2. single-break formula electromagnetic relay as described in claim 1, which is characterized in that the housing is connected by base enclosure and with base enclosure
It forms whole cap to form, the dress for housing above-mentioned electromagnet, armature, moving contact and static contact is formed between base enclosure and cap
With space.
3. single-break formula electromagnetic relay as described in claim 1, which is characterized in that assembly fixture is provided in the housing, with
And the dynamic wire connection terminal that positioning is formed on assembly fixture, static terminal block are plugged in respectively；
One end of the dynamic wire connection terminal is in hull outside as wiring, and the other end is connected with movable contact spring, moves wire connection terminal
Middle part, which is plugged in assembly fixture, forms positioning, and one end of movable contact spring is connected with dynamic wire connection terminal, and the other end is above-mentioned dynamic for assembling
Contact；
One end of the static terminal block is in hull outside as wiring, and the other end is used in the lower section for extending to moving contact
Above-mentioned static contact is assembled, is plugged in the middle part of static terminal block in assembly fixture and forms positioning；
It is provided between the movable contact spring and armature and hauls what movable contact spring contacted moving contact with static contact after electromagnet energization
Pulling mechanism；After electromagnet power-off, under movable contact spring, armature reset force, moving contact departs from static contact.
4. single-break formula electromagnetic relay as claimed in claim 3, which is characterized in that the pulling mechanism includes connecting plate, draws
Plate, one end of connecting plate are connected with armature, and the other end of connecting plate and one end of pulling plate connect, the other end and movable contact spring of pulling plate
The end for assembling moving contact forms connection.
5. single-break formula electromagnetic relay as described in claim 1, which is characterized in that in moving contact, static contact in housing
One side is provided with arc extinguishing magnet steel.
6. single-break formula electromagnetic relay as claimed in claim 3, which is characterized in that the assembly fixture one side is provided with skeleton,
The skeleton has the first platform, the second platform and the tubular connection piece for connecting the first platform, the second platform, the first platform, the
The placement space of electromagnet coil is formed between two platforms, the both ends of electromagnet coil extend to hull outside, tubular connection piece
In have for electromagnet core insertion passage；Above-mentioned armature is in below the second platform, after electromagnet coil power, iron core production
Raw the suction-combining force moves armature towards electromagnet ontology direction.
7. single-break formula electromagnetic relay as claimed in claim 6, which is characterized in that pass through yoke between the skeleton and assembly fixture
Iron forms connection, and one end of the yoke, which is plugged in assembly fixture, forms positioning, and the other end is extended to above the first platform and opened up
There is the insertion hole for the insertion of electromagnet core end.
8. single-break formula electromagnetic relay as claimed in claim 7, which is characterized in that spring support is connected on the yoke,
The spring support includes the first spring leaf, second spring piece, and one end of the first spring leaf is fixed with one end of second spring piece to be connected
It connects, and angle is formed between the first spring leaf and second spring piece,
First spring leaf, the junction of second spring piece offer notch, and one end of armature is connected through the notch with connecting plate,
The other end of armature is in below the second platform, and after electromagnet coil power, iron core generates the suction-combining force by armature towards electromagnet
Body direction moves；
The other end of first spring leaf is connected on yoke.
9. single-break formula electromagnetic relay as claimed in claim 8, which is characterized in that the other end of the second spring piece opens up
There is the pilot hole through the first spring leaf, the lead being interspersed in pilot hole is fixedly installed in armature lower surface.
10. single-break formula electromagnetic relay as claimed in claim 8, which is characterized in that the other end of the second spring piece with
One end that armature is in below the second platform is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913682.4U CN207458855U (en) | 2017-07-26 | 2017-07-26 | Single-break formula electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913682.4U CN207458855U (en) | 2017-07-26 | 2017-07-26 | Single-break formula electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458855U true CN207458855U (en) | 2018-06-05 |
Family
ID=62248829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720913682.4U Active CN207458855U (en) | 2017-07-26 | 2017-07-26 | Single-break formula electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207458855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359080A (en) * | 2017-07-26 | 2017-11-17 | 上海西艾爱电子有限公司 | Single-break formula electromagnetic relay |
| CN110739184A (en) * | 2019-09-09 | 2020-01-31 | 成都阿尔刚雷绝缘连电插座制造有限公司 | kinds of relay with quick response |
-
2017
- 2017-07-26 CN CN201720913682.4U patent/CN207458855U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359080A (en) * | 2017-07-26 | 2017-11-17 | 上海西艾爱电子有限公司 | Single-break formula electromagnetic relay |
| CN110739184A (en) * | 2019-09-09 | 2020-01-31 | 成都阿尔刚雷绝缘连电插座制造有限公司 | kinds of relay with quick response |
| CN110739184B (en) * | 2019-09-09 | 2022-04-15 | 成都阿尔刚雷绝缘连电插座制造有限公司 | Quick response relay |
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