CN108321032A - A kind of movable contact spring and its safety relay for safety relay - Google Patents
A kind of movable contact spring and its safety relay for safety relay Download PDFInfo
- Publication number
- CN108321032A CN108321032A CN201810202832.XA CN201810202832A CN108321032A CN 108321032 A CN108321032 A CN 108321032A CN 201810202832 A CN201810202832 A CN 201810202832A CN 108321032 A CN108321032 A CN 108321032A
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- Prior art keywords
- push card
- spring
- safety relay
- movable contact
- reed body
- Prior art date
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 69
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 51
- 230000003068 static effect Effects 0.000 claims description 9
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 230000010485 coping Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
- H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H2050/028—Means to improve the overall withstanding voltage, e.g. creepage distances
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Adornments (AREA)
Abstract
The invention discloses a kind of movable contact spring and its safety relay for safety relay, which includes the reed body of straight plate shape shape；The affixed movable contact of one side on the head of reed body, the tail portion of reed body, which is equipped with, to be used for and the dynamic mutually fixed interconnecting piece of spring lead-out tablet；The head of reed body is additionally provided with outwardly extending extension, which includes being bent into the first extension of substantially 90 degree directions extensions along the another side of the end on the head of reed body and being bent into the second extensions that substantially 90 degree directions extend towards the caudal directions of reed body again by the end of the first extension.The characteristics of present invention can have assembly is easy to realize while ensureing forced guiding effect, and assembly precision is high, the part rejection being less prone in assembly, and the actuating of relay can be prevented abnormal, raising relay safety.
Description
Technical field
The present invention relates to relay technical fields, more particularly to a kind of movable contact spring and its safety for safety relay
Relay.
Background technology
Relay (English name：Relay it is) a kind of electric control device, is when the variation of input quantity (energizing quantity) reaches rule
When provisioning request, make controlled volume that a kind of electric appliance of scheduled Spline smoothing occur in electrical output circuit.It has control system
(also known as input circuit) and by the interactive relationship between control system (also known as output loop).It is usually applied to automation control
In circuit, it is actually one kind " automatic switch " that control high current running is gone with low current.Therefore it plays in circuit automatic
The effects that adjusting, safeguard protection, conversion circuit.
Safety relay (also referred to as forced guiding relay) is one kind in relay, safety relay and common relay
Device the difference is that, well-regulated action can be made when breaking down, it have forced guiding contact point structure, just in case send out
Safety is also ensured that when raw contact clinkering phenomenon.The safety relay of the prior art, forced guiding are mainly set by push card
Limiting slot is set, what movable contact spring was realized in locating slot, that is, movable contact spring is that two of the limiting slot positioned at push card are opposite
Between cell wall, when push card travels forward, a cell wall of push card pushes movable contact spring to travel forward, and works as push card backward
When movement, another cell wall of push card pushes movable contact spring to move backward.The safety relay of this structure is primarily present as follows
Drawback：
1, relatively difficult to achieve in assembly, assembly precision is difficult to ensure, easily causes unnecessary part rejection；
2, push card causes the actuating of relay abnormal easily with shell friction；
3, when movable contact spring root is broken, movable contact spring can obliquely be fallen in pedestal, existed and missed with quiet spring part
The possibility of connection affects the safety of relay.
Invention content
It is an object of the invention to overcome the deficiency of the prior art, provide a kind of movable contact spring for safety relay and its
Safety relay, by movable contact spring structure and pair with movable contact spring it is matched push card structure improvement, ensure force
While guiding role, there is assembly easily to realize, assembly precision is high, the part rejection being less prone in assembly, and can prevent
The characteristics of only actuating of relay is abnormal, raising relay safety.
The technical solution adopted by the present invention to solve the technical problems is：A kind of movable contact spring for safety relay, packet
Include the reed body of straight plate shape shape；The affixed movable contact of one side on the head of reed body, the tail portion of reed body, which is equipped with, to be used for
With the dynamic mutually fixed interconnecting piece of spring lead-out tablet；The head of reed body is additionally provided with outwardly extending extension, which includes
It is bent into the first extension of substantially 90 degree directions extensions along the another side of the end on the head of reed body and by first
The end of extension is bent into the second extension that substantially 90 degree directions extend towards the caudal directions of reed body again.
The width dimensions of the extension are identical as the width dimensions on the head of reed body.
Broad-ruler of the width dimensions on the head of the reed body more than the middle part of reed body, the tail portion of reed body
It is very little.
A kind of safety relay, including magnetic circuit part, dynamic spring part, quiet spring part, push card and pedestal；The dynamic spring portion
Point, quiet spring part, push card and magnetic circuit part be separately mounted on pedestal, and sound contact made to be in matched position, push away
Dynamic card is connected between magnetic circuit part and dynamic spring part, and dynamic spring part, quiet spring part have multiple contact sets；The dynamic spring portion
It includes above-mentioned movable contact spring and dynamic spring leading foot to divide, and the tail portion of the reed body is mutually fixed with dynamic spring leading foot, moves spring leading foot
It is inserted on pedestal；The push card, which is equipped with, pushes arm, the promotion arm of push card to fit in by the head of the reed body
In the recess that end, first extension, second extension are surrounded；When the one side of the promotion arm of push card is pushed to
When the end on the head of the reed body, the movable contact spring is moved towards stationary contact direction, and the another of arm is pushed when push card
When one side pushes second extension to, the movable contact spring is moved towards away from stationary contact direction, when sound contact is glued
Lian Shi, push card can not continue to move to, to ensure that the mutual linking between contact sets.
The push card pushes end and second extension of the arm clearance fit on the head of the reed body
Between.
The another side of the one side of the promotion arm of the push card and/or the promotion arm of push card outwardly protrudes for middle part
Arcwall face.
The bottom surface of first extension is matched with the top surface of the promotion arm of push card, with limit push card along with push away
Dynamic card moves perpendicular direction and is in contact with the shell of relay, which is fixed on the base, by magnetic circuit part, dynamic spring
The contact part of part and quiet spring part, push card are accommodated in the inner.
The push card is equipped with the slot for being used for that movable contact spring is coordinated to be inserted into, and the promotion arm is located in slot.
The recess of the movable contact spring is stuck in downwards on the promotion arm of the push card, when the tail portion of reed body is broken
When, movable contact spring is hung in push card, to prevent misconnection between movable contact spring and static contact spring piece from leading to, improves the safety of safety relay
Energy.
The centre of the shell is equipped with downward convex ribs in the moving direction along push card；The centre of the pedestal,
In the moving direction along push card, it is equipped with groove；When shell is mutually fixed with pedestal, the convex ribs of shell coordinate in the recessed of pedestal
In slot；In the push card then be equipped with allow convex ribs by through-hole.
The convex ribs of the shell and the groove of pedestal are the multistage for being set as corresponding matching respectively.
The centre of the pedestal is equipped with the first barricade in the moving direction along push card；The multiple contact sets difference
The both sides of the first barricade are symmetrically arranged at, the groove is located at first gear coping.
In the pedestal, at the position between two adjacent contacts groups corresponding to same one side of the first barricade, also set
There is the second barricade, to prevent splash between contact from interfering with each other.
In the pedestal, at the position between the movable contact spring and static contact spring piece corresponding to same contact sets, it is additionally provided with third gear
Wall.
In the pedestal, equipped with for installing the base cavity of magnetic circuit part；In base cavity, it is equipped with and uses along horizontal direction
The magnetic circuit part is pushed into the track groove of base cavity.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention is additionally provided with outwardly extending extension as a result of the head of the reed body in movable contact spring, this prolongs
Extending portion include along the another side of the end on the head of reed body be bent into substantially 90 degree directions extend the first extension with
And the second extension that substantially 90 degree directions extend is bent into towards the caudal directions of reed body by the end of the first extension again
Portion, surrounding a recess by the end on the head of reed body, first extension, second extension, (being equivalent to makes
Movable contact spring forms J-type structure), and be equipped in push card and push arm, the promotion arm of push card is fitted in into dynamic spring
(recess is actually opening down cooperation on pushing arm, it may also be said to be that movable contact spring hangs over push card in the recess of piece
Push on arm), to realize the forced guiding effect of relay in front-rear direction；That is, when push card moves forward, pushes and move spring
Piece travels forward, and when push card moves backward, the dogleg section (i.e. the second extension) of movable contact spring hauls pushing away for push card
Swing arm, and then push card move backward together, when adhesion occurs in sound contact, push card can not continue to move to, to ensure
Mutual linking between contact sets.
2, the present invention is matched as a result of by the bottom surface of the first extension with the top surface of the promotion arm of push card, to
Push card can be limited and be in contact with the shell of relay along moving perpendicular direction with push card, that is, being equivalent to can be with
Push card top is limited, push card and shell friction are prevented, causes the actuating of relay abnormal.
3, the present invention is hung over as a result of by movable contact spring on the promotion arm of push card, when tail portion (the i.e. root of reed body
Portion) it is broken, then movable contact spring will be hung in the promotion arm of push card, and reed body will not vacantly be fallen downwards, thus
Be not in the logical situation of misconnection, can ensure the safety of safety relay.And if existing safety relay reed root
Portion is broken, and reed would be possible to anchor portion occur obliquely to fall in pedestal, and then is connected and moved spring leading foot and quiet
Spring part affects the safety of relay.
4, the present invention is equipped with downward convex ribs as a result of the centre of shell in the moving direction along push card；
The centre of pedestal is equipped with groove in the moving direction along push card；When shell is mutually fixed with pedestal, the convex ribs of shell are matched
It closes in the groove of pedestal.The present invention plays the role of three by the cooperation of convex ribs and groove：First, convex ribs are to push card
It is mobile to play guiding restriction effect, reduce because deflection occurs in push card, the overtravel of contact caused to become smaller, influence after
The service life of electric appliance；Second is that convex ribs and base engagement, increase between the contact sets of left and right the creepage distance on (i.e. the first barricade both sides) and
The air gap；Third, convex ribs are pressed on pedestal, the position-limiting action to shell is played, ensures case surface and push card, move spring
Distance ensures the flexibility of push card and dynamic spring.
5, the present invention is as a result of in the base, same one side corresponding to the first barricade two adjacent contacts groups it
Between position at, be additionally provided with the second barricade, splash interferes with each other between can preventing contact, and the splash reduced between contact sets is dirty
Dye, ensures the reliability of contact.
6, the present invention is as a result of in the base, the position between the movable contact spring and static contact spring piece corresponding to same contact sets
Place, is additionally provided with third barricade, can protect between quiet spring and increase contact and insulate；When contact (normally open end) occurs viscous dead, third
Barricade limits quiet spring and is moved toward dynamic spring direction, ensures that normal-closed end contactor gap is sufficiently large, conversely, normal-closed end is viscous dead, it is ensured that
Normally open end contactor gap；Third barricade can also increase the creepage distance between contact, and increase is insulated between contact.
7, the present invention is equipped with along horizontal direction as a result of in base cavity and is used for the magnetic circuit part being pushed into bottom
The track groove of seat chamber.Base cavity uses rail mounted structure, and when magnetic circuit part is packed into, base track slot has the yoke of magnetic circuit part
Guiding role, can prevent coil loading procedure from being collided with pedestal causes enameled wire impaired.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But the present invention one kind for safety after
The movable contact spring and its safety relay of electric appliance are not limited to embodiment.
Description of the drawings
Fig. 1 is the D structure schematic diagram of the movable contact spring (being connected to dynamic spring leading foot) of the present invention；
Fig. 2 is the D structure schematic diagram of the safety relay (non-casing) of the present invention；
Fig. 3 is the vertical view of the safety relay (non-casing) of the present invention；
Fig. 4 is the sectional view of the line A-A along Fig. 3；
Fig. 5 is the portions the B enlarged diagram in Fig. 4；
Fig. 6 is the distribution schematic diagram of the contact sets of the safety relay of the present invention；
Fig. 7 is the D structure schematic diagram of the pedestal of the safety relay of the present invention；
Fig. 8 is the vertical view of the pedestal of the safety relay of the present invention；
Fig. 9 is the organigram of the shell (shell chamber is downward) of the safety relay of the present invention；
Figure 10 is the organigram of the shell (shell chamber is facing forward) of the safety relay of the present invention；
Figure 11 is the D structure schematic diagram of the push card of the safety relay of the present invention；
Figure 12 is the vertical view of the push card of the safety relay of the present invention；
Figure 13 is the schematic diagram of the magnetic circuit part of the safety relay of the present invention.
Specific implementation mode
Embodiment
A kind of movable contact spring 1 for safety relay shown in Figure 1, of the invention, includes the reed of straight plate shape shape
Ontology 10；The affixed movable contact 12 of one side on the head 11 of reed body, the tail portion 13 of reed body, which is equipped with, to be used for drawing with dynamic spring
14 mutually fixed interconnecting piece of foot, the interconnecting piece can be arranged to riveted holes；The head 11 of reed body is additionally provided with outwardly extending
Extension, the extension include being bent into substantially 90 degree directions along the another side of the end 15 on the head of reed body to extend
First extension 16 and by the first extension end again towards the caudal directions of reed body be bent into substantially 90 degree directions
The second extension 17 extended.
In the present embodiment, width dimensions and the reed sheet of the extension (i.e. the first extension 16 and the second extension 17)
The width dimensions on the head 11 of body are identical.
In the present embodiment, the width dimensions on the head 11 of the reed body are more than the broad-ruler at the middle part of reed body
It is very little, also greater than the width dimensions of the tail portion 13 of reed body.
Shown in Fig. 1 to Figure 13, a kind of safety relay of the invention, including magnetic circuit part 2, dynamic spring part, quiet spring
Part 3, push card 5 and pedestal 4；The dynamic spring part, quiet spring part 3, push card 5 and magnetic circuit part 2 are separately mounted to pedestal 4
On, and the movable contact 12 of spring part and the stationary contact 31 of quiet spring part 3 is made to be in matched position, push card 5 is connected to
Between magnetic circuit part 2 and dynamic spring part, and there are multiple contact sets, the present embodiment to be equipped with 6 contacts for dynamic spring part, quiet spring part
Group, wherein four contact sets use normally opened structure, other two contact sets to use normally closed structure (as shown in Figure 6)；The dynamic spring
Part includes above-mentioned movable contact spring 1 and dynamic spring leading foot 14, and the tail portion 13 of the reed body is fixed with dynamic 14 phase of spring leading foot,
Setting rivets convex bud on dynamic spring leading foot 14, passes through the matching of the convex bud of riveting of the riveted holes and dynamic spring leading foot of reed body
It closes, and uses riveting method, movable contact spring 1 and dynamic spring leading foot 14 is made to be fixed together, dynamic spring leading foot 14 is then inserted into pedestal 4
On；The push card 5, which is equipped with, pushes arm 51, the promotion arm 51 of push card to fit in the end on the head by the reed body
15, in the recess 18 that first extension 16, second extension 17 are surrounded；When the one of the promotion arm 51 of push card 5
When side pushes the end 15 on the head of the reed body to, the movable contact spring 1 is moved towards 31 direction of stationary contact, works as push card
When the another side of 5 51 arm of promotion pushes second extension 17 to, the movable contact spring 1 is moved towards away from 31 direction of stationary contact
Dynamic, when adhesion occurs in sound contact, push card 5 can not continue to move to, to ensure that the mutual linking between contact sets.
In the present embodiment, the push card push 51 clearance fit of arm the head of the reed body end 15 with
Between second extension 17.
In the present embodiment, the another side of the one side of the promotion arm 51 of the push card and/or the promotion arm of push card
The arcwall face outwardly protruded for middle part.
In the present embodiment, the bottom surface of first extension 16 is matched with the top surface of the promotion arm 51 of push card, with limit
Push card 5 processed is in contact with the shell 6 of relay along moving perpendicular direction with push card, which is fixed on pedestal 4
On, magnetic circuit part 2, dynamic spring part and the contact part of quiet spring part, push card 5 are accommodated in the inner.
In the present embodiment, the push card 5 is equipped with the slot 52 for being used for that movable contact spring is coordinated to be inserted into, and the promotion arm 51 is located at
In slot 52.
In the present embodiment, set in slot 52 there are two arm 51 is pushed, two push the top surface of arms 51 to extend respectively with first
Portion 16 matches.
In the present embodiment, the recess 18 of the movable contact spring 1 is stuck in downwards on the promotion arm 51 of the push card 5, works as reed
When the tail portion 13 of ontology is broken, movable contact spring 1 is hung in push card 5, to prevent misconnection between movable contact spring and static contact spring piece logical,
Improve the security performance of safety relay.
In the present embodiment, the centre of the shell 6 is equipped with downward convex ribs 61 in the moving direction along push card；Institute
The centre for stating pedestal 4 is equipped with groove 41 in the moving direction along push card；When shell 6 is fixed with 4 phase of pedestal, shell
Convex ribs 61 coordinate in the groove 41 of pedestal.In push card 5 be equipped with allow convex ribs 61 by through-hole 53.
In the present embodiment, the convex ribs 61 of the shell and the groove 41 of pedestal are the multistage for being set as corresponding matching respectively.
In the present embodiment, the centre of the pedestal 4 is equipped with the first barricade 42 in the moving direction along push card；It is described
Multiple contact sets are respectively symmetrically located at the both sides of the first barricade 42, and the groove 41 is located at the top of the first barricade 42.First gear
There are three contact sets for every side distribution of wall 42.
In the present embodiment, in the pedestal 4, between two adjacent contacts groups corresponding to same one side of the first barricade
At position, it is additionally provided with the second barricade 43, to prevent splash between contact from interfering with each other.That is, being set respectively on the both sides of the first barricade
There are two the second barricades 43, for separating the three of every side contact sets.
In the present embodiment, in the pedestal 4, at the position between the movable contact spring and static contact spring piece corresponding to same contact sets,
It is additionally provided with third barricade 44.That is, being respectively equipped with three third barricades 43 on the both sides of the first barricade, it is used for touching three of every side
Dynamic and static spring in point group separates.
In the present embodiment, in the pedestal 4, equipped with for installing the base cavity 45 of magnetic circuit part 2；In base cavity 45,
The track groove 46 for being used for that the magnetic circuit part 2 is pushed into base cavity is equipped with along horizontal direction.
A kind of movable contact spring and its safety relay for safety relay of the present invention, uses the reed in movable contact spring
The head 11 of ontology is additionally provided with outwardly extending extension, the extension include along the head of reed body end 15 it is another
Be bent on one side substantially 90 degree directions extend the first extension 16 and by the first extension end again towards reed body
Caudal directions be bent into the second extensions 17 that substantially 90 degree directions extend, by the end 15 on the head of reed body, described
First extension 16, second extension 17 surround a recess 18 (being equivalent to makes movable contact spring form J-type structure),
And it is equipped in push card and pushes arm 51, the promotion arm 51 of push card is fitted in in the recess 18 of movable contact spring (recess reality
It is opening down coordinate on pushing arm on border, it may also be said to be that movable contact spring is hung on the promotion arm of push card), to front and back
Realize the forced guiding effect of relay in direction；That is, when push card 5 moves forward, movable contact spring is pushed to travel forward, and when promotion
For card when moving backward, the dogleg section (i.e. the second extension) of movable contact spring hauls the promotion arm of push card, and and then push card is together
It moves backward, when adhesion occurs in sound contact, push card can not continue to move to, to ensure that the mutually interconnection between contact sets
Lock.
A kind of movable contact spring and its safety relay for safety relay of the present invention, uses the first extension 16
Bottom surface matched with the top surface of the promotion arm 51 of push card, mutually hang down so as to limit push card 5 along being moved with push card
Straight direction is in contact with the shell of relay, that is, 5 top of push card can be limited by being equivalent to, prevent push card with
Shell friction causes the actuating of relay abnormal.
A kind of movable contact spring and its safety relay for safety relay of the present invention, uses and hangs over movable contact spring 1
On the promotion arm 51 of push card, when the tail portion of reed body 13 (i.e. root) is broken, then movable contact spring 1 will hang over push card
Promotion arm 51 in, reed body will not vacantly be fallen downwards, thus the logical situation of misconnection will not occur, can ensure safety
The safety of relay.And if existing safety relay reed root is broken, reed would be possible to reed portion occur
Divide and obliquely fall in pedestal, and then connect and move spring leading foot and quiet spring part, affects the safety of relay.
A kind of movable contact spring and its safety relay for safety relay of the present invention, uses the centre of shell 6,
Along the moving direction of push card, it is equipped with downward convex ribs 61；In the centre of pedestal 4, in the moving direction along push card, if
Fluted 41；When shell 6 is fixed with 4 phase of pedestal, the convex ribs 61 of shell coordinate in the groove 41 of pedestal.The present invention passes through convex
The cooperation of muscle 61 and groove 41 plays the role of three：First, convex ribs 61 play guiding restriction effect to the movement of push card 5,
It reduces because deflection occurs in push card, causes the overtravel of contact to become smaller, influence the service life of relay；Second is that convex ribs 61
With base engagement, the creepage distance on (i.e. the first barricade both sides) and the air gap between the contact sets of left and right are increased；Third, convex ribs 61
It is pressed on pedestal 4, plays the position-limiting action to shell 6, ensure that case surface at a distance from push card, dynamic spring, ensures push card
With the flexibility of dynamic spring.
A kind of movable contact spring and its safety relay for safety relay of the present invention, uses in pedestal 4, right
It should be additionally provided with the second barricade 43 at the position between two adjacent contacts groups on same one side of the first barricade, can prevent touching
Splash interferes with each other between point, reduces the splash pollution between contact sets, ensures the reliability of contact.The present invention also uses
In pedestal 4, at the position between the movable contact spring and static contact spring piece corresponding to same contact sets, it is additionally provided with third barricade 44, it can
It is insulated with protecting between quiet spring and increase contact；When contact (normally open end) occurs viscous dead, third barricade limits quiet spring toward dynamic spring side
To movement, ensure that normal-closed end contactor gap is sufficiently large, conversely, normal-closed end is viscous dead, it is ensured that normally open end contactor gap；Third gear
Wall can also increase the creepage distance between contact, and increase is insulated between contact.
A kind of movable contact spring and its safety relay for safety relay of the present invention, uses in base cavity 45,
The track groove 46 for being used for that the magnetic circuit part is pushed into base cavity is equipped with along horizontal direction.Base cavity 45 uses rail mounted knot
Structure, when magnetic circuit part is packed into, base track slot has guiding role to the yoke 21 of magnetic circuit part 2, coil can be prevented to be packed into
Journey causes enameled wire impaired with pedestal collision.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
Disclosed above with preferred embodiment, however, it is not intended to limit the invention.Any technical person familiar with the field is not taking off
In the case of from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, every without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (14)
1. a kind of movable contact spring for safety relay includes the reed body of straight plate shape shape；The one of the head of reed body
The affixed movable contact in face, the tail portion of reed body, which is equipped with, to be used for and the dynamic mutually fixed interconnecting piece of spring lead-out tablet；It is characterized in that：Reed
The head of ontology is additionally provided with outwardly extending extension, which includes the another side along the end on the head of reed body
Be bent into substantially 90 degree directions extend the first extension and by the first extension end again towards the tail portion of reed body
Direction is bent into the second extension that substantially 90 degree directions extend.
2. the movable contact spring according to claim 1 for safety relay, it is characterised in that：The broad-ruler of the extension
It is very little identical as the width dimensions on the head of reed body；The width dimensions on the head of the reed body are more than in reed body
Portion, reed body tail portion width dimensions.
3. a kind of safety relay, including magnetic circuit part, dynamic spring part, quiet spring part, push card and pedestal；The dynamic spring portion
Point, quiet spring part, push card and magnetic circuit part be separately mounted on pedestal, and sound contact made to be in matched position, push away
Dynamic card is connected between magnetic circuit part and dynamic spring part, and dynamic spring part, quiet spring part have multiple contact sets；Its feature exists
In：The dynamic spring part includes movable contact spring as claimed in claim 1 or 2 and dynamic spring leading foot, the tail portion of the reed body
It is mutually fixed with dynamic spring leading foot, dynamic spring leading foot is inserted on pedestal；The push card, which is equipped with, pushes arm, the promotion arm of push card
It fits in the end on the head by the reed body, the recess that first extension, second extension are surrounded；
When the end on the head that the one side of the promotion arm of push card pushes the reed body to, the movable contact spring is towards stationary contact side
To movement, when the another side of the promotion arm of push card pushes second extension to, the movable contact spring is towards away from stationary contact
The movement of point direction, when adhesion occurs in sound contact, push card can not continue to move to, mutual between contact sets to ensure that
It is chain.
4. safety relay according to claim 3, it is characterised in that：The promotion arm clearance fit of the push card is in institute
It states between the end on the head of reed body and second extension.
5. safety relay according to claim 3, it is characterised in that：The push card promotion arm one side and/
Or the another side of the promotion arm of push card is the arcwall face that middle part outwardly protrudes.
6. safety relay according to claim 3, it is characterised in that：The bottom surface of first extension and push card
It pushes the top surface of arm to match, is connected with the shell of relay with limiting push card along moving perpendicular direction with push card
It touches, which is fixed on the base, and magnetic circuit part, dynamic spring part and the contact part of quiet spring part, push card are contained in
It is interior.
7. safety relay according to claim 3, it is characterised in that：The push card, which is equipped with, is used for that movable contact spring is coordinated to insert
The slot entered, the promotion arm are located in slot.
8. safety relay according to claim 3, it is characterised in that：The recess of the movable contact spring is stuck in downwards described push away
On the promotion arm of dynamic card, when the tail portion of reed body is broken, movable contact spring is hung in push card, to prevent movable contact spring and
Misconnection is logical between static contact spring piece, improves the security performance of safety relay.
9. safety relay according to claim 6, it is characterised in that：The centre of the shell, along push card
Moving direction is equipped with downward convex ribs；The centre of the pedestal is equipped with groove in the moving direction along push card；Work as shell
When mutually being fixed with pedestal, the convex ribs of shell coordinate in the groove of pedestal；Then be equipped in the push card allow convex ribs by it is logical
Hole.
10. safety relay according to claim 9, it is characterised in that：The convex ribs of the shell and the groove of pedestal point
It is not the multistage for being set as corresponding matching.
11. safety relay according to claim 9, it is characterised in that：The centre of the pedestal, along push card
Moving direction is equipped with the first barricade；The multiple contact sets are respectively symmetrically located at the both sides of the first barricade, and the groove is located at
One gear coping.
12. safety relay according to claim 3, it is characterised in that：In the pedestal, corresponding to the first barricade
At the position between two adjacent contacts groups on one side, it is additionally provided with the second barricade, to prevent splash between contact from interfering with each other.
13. safety relay according to claim 3, it is characterised in that：In the pedestal, corresponding to same contact sets
At position between movable contact spring and static contact spring piece, it is additionally provided with third barricade.
14. safety relay according to claim 3, it is characterised in that：In the pedestal, equipped with for installing magnetic circuit part
The base cavity divided；In base cavity, the track groove for being used for that the magnetic circuit part is pushed into base cavity is equipped with along horizontal direction.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202832.XA CN108321032B (en) | 2018-03-13 | 2018-03-13 | Movable contact spring for safety relay and safety relay thereof |
| PCT/CN2018/086657 WO2019174119A1 (en) | 2018-03-13 | 2018-05-14 | Movable contact spring for safety relay and safety relay therefor |
| DE112018007265.7T DE112018007265T5 (en) | 2018-03-13 | 2018-05-14 | MOVING CONTACT SPRING FOR SAFETY RELAYS AND SAFETY RELAYS OF MOVING CONTACT SPRING |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202832.XA CN108321032B (en) | 2018-03-13 | 2018-03-13 | Movable contact spring for safety relay and safety relay thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108321032A true CN108321032A (en) | 2018-07-24 |
| CN108321032B CN108321032B (en) | 2024-01-26 |
Family
ID=62900837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810202832.XA Active CN108321032B (en) | 2018-03-13 | 2018-03-13 | Movable contact spring for safety relay and safety relay thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108321032B (en) |
| DE (1) | DE112018007265T5 (en) |
| WO (1) | WO2019174119A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473317A (en) * | 2018-11-19 | 2019-03-15 | 浙江宏舟新能源科技有限公司 | A kind of high voltage direct current relay with magnet steel arc extinguishing |
| CN110379679A (en) * | 2019-07-09 | 2019-10-25 | 厦门宏发电声股份有限公司 | Small high-power relay with pressing connecting terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782356B (en) * | 2021-07-23 | 2023-06-16 | 宁波金宸科技有限公司 | Relay based on hydraulic transmission |
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| CN1926652A (en) * | 2004-07-14 | 2007-03-07 | 松下电工株式会社 | Electromagnetic relay |
| JP2010033718A (en) * | 2008-07-24 | 2010-02-12 | Panasonic Electric Works Co Ltd | Electromagnetic relay |
| JP2010033719A (en) * | 2008-07-24 | 2010-02-12 | Panasonic Electric Works Co Ltd | Electromagnetic relay |
| CN102693875A (en) * | 2011-03-23 | 2012-09-26 | 松下电器产业株式会社 | Electromagnetic relay |
| CN207966864U (en) * | 2018-03-13 | 2018-10-12 | 厦门宏发电声股份有限公司 | Movable contact spring and its safety relay for safety relay |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101777459B (en) * | 2010-03-12 | 2012-10-10 | 厦门宏发电声股份有限公司 | Electromagnetic relay with simple structure and strong shock resistance |
| CN206301742U (en) * | 2016-11-30 | 2017-07-04 | 漳州宏发电声有限公司 | A kind of relay of the simple accurate locking position mechanism of promotion of band |
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2018
- 2018-03-13 CN CN201810202832.XA patent/CN108321032B/en active Active
- 2018-05-14 DE DE112018007265.7T patent/DE112018007265T5/en active Pending
- 2018-05-14 WO PCT/CN2018/086657 patent/WO2019174119A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1926652A (en) * | 2004-07-14 | 2007-03-07 | 松下电工株式会社 | Electromagnetic relay |
| JP2010033718A (en) * | 2008-07-24 | 2010-02-12 | Panasonic Electric Works Co Ltd | Electromagnetic relay |
| JP2010033719A (en) * | 2008-07-24 | 2010-02-12 | Panasonic Electric Works Co Ltd | Electromagnetic relay |
| CN102693875A (en) * | 2011-03-23 | 2012-09-26 | 松下电器产业株式会社 | Electromagnetic relay |
| CN207966864U (en) * | 2018-03-13 | 2018-10-12 | 厦门宏发电声股份有限公司 | Movable contact spring and its safety relay for safety relay |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473317A (en) * | 2018-11-19 | 2019-03-15 | 浙江宏舟新能源科技有限公司 | A kind of high voltage direct current relay with magnet steel arc extinguishing |
| CN110379679A (en) * | 2019-07-09 | 2019-10-25 | 厦门宏发电声股份有限公司 | Small high-power relay with pressing connecting terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019174119A1 (en) | 2019-09-19 |
| DE112018007265T5 (en) | 2020-11-26 |
| CN108321032B (en) | 2024-01-26 |
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