CN109686620A - It claps and closes Direct Action Type normally closed relay - Google Patents

It claps and closes Direct Action Type normally closed relay Download PDF

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Publication number
CN109686620A
CN109686620A CN201811459012.5A CN201811459012A CN109686620A CN 109686620 A CN109686620 A CN 109686620A CN 201811459012 A CN201811459012 A CN 201811459012A CN 109686620 A CN109686620 A CN 109686620A
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CN
China
Prior art keywords
movable contact
spring
slide bar
contact spring
armature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811459012.5A
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Chinese (zh)
Inventor
宋文荣
苏朋
郭顺可
陈烜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yingluohua New Energy Technology Co Ltd
Zhejiang Innuovo New Energy Technology Co Ltd
Original Assignee
Zhejiang Yingluohua New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Yingluohua New Energy Technology Co Ltd filed Critical Zhejiang Yingluohua New Energy Technology Co Ltd
Priority to CN201811459012.5A priority Critical patent/CN109686620A/en
Publication of CN109686620A publication Critical patent/CN109686620A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • H01H50/56Contact spring sets
    • H01H50/58Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • H01H2050/446Details of the insulating support of the coil, e.g. spool, bobbin, former

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Abstract

The object of the present invention is to provide a kind of lower, small volume that consumes energy, lower-cost bats to close Direct Action Type normally closed relay.A kind of bat conjunction Direct Action Type normally closed relay, including shell, magnetic circuit part is equipped in the shell, movable contact part and stationary contact part, the magnetic circuit part includes bobbin, one end of L-shaped yoke is fixed with iron core, the other end of L-shaped yoke is located on the upside of bobbin and matches with armature, the suction side of the armature is located at iron core left or right side, the touch end of the armature is located on the upside of yoke and is located on the downside of catch bar lower end, the movable contact part includes movable contact spring and movable contact, the stationary contact part includes static contact spring piece and stationary contact, stationary contact and movable contact correspond and are located at below movable contact, the movable contact spring is in contact with main spring end, movable contact spring moves down under the action of main spring, the coil is powered so that a side end of the suction side to iron core far from yoke is mobile, and make to touch end drive movable contact spring It moves up.

Description

It claps and closes Direct Action Type normally closed relay
Technical field
The present invention relates to a kind of bats to close Direct Action Type normally closed relay.
Background technique
Existing Direct Action Type relay, such as application No. is 201610276487.5 patents to disclose a kind of high voltage direct current relay Device magnetic circuit system, including U-shaped yoke, the lower magnetic conductive cylinder being fixed in U-shaped yoke, the bobbin being set in outside lower magnetic conductive cylinder, under End is located at the dynamic iron core in lower magnetic conductive cylinder, yoke plate is equipped with above dynamic iron core, between yoke plate lower end surface and dynamic iron core upper surface It is formed with stroke gap, the upper magnetic conductive cylinder being arranged in a ring is formed on the periphery in stroke gap, dynamic iron core can be in upper magnetic conductive cylinder It inside pumps, upper magnetic conductive cylinder is mutually fixed with the yoke plate, and dynamic iron core is fixed with catch bar lower end, catch bar upper section Positioned at yoke plate so that and fixed with movable contact spring, by moving up and down to drive moving up and down for movable contact spring for dynamic iron core so that Movable contact and stationary contact point contact or disjunction on movable contact spring.
Due to the presence of dynamic iron core and lower magnetic conductive cylinder, bobbin certainly will be made greatly, while in order to guarantee on dynamic iron core energy Lower movement, the coil turn wound on bobbin is more, so that relay volume is larger, energy consumption is higher, and relay parts It is more, higher cost.
Summary of the invention
The object of the present invention is to provide a kind of lower, small volume that consumes energy, lower-cost bats to close the normally closed relay of Direct Action Type Device.
To achieve the above object, the present invention adopts the following technical scheme: Direct Action Type normally closed relay, including shell are closed in a kind of bat Body, the shell is interior to be equipped with magnetic circuit part, movable contact part and stationary contact part, and the magnetic circuit part includes bobbin and setting Coil on bobbin, the bobbin are formed with the perforative through slot in left and right, are equipped with iron core in through-hole, and the one of L-shaped yoke End is fixed with iron core, and the other end of L-shaped yoke is located on the upside of bobbin and matches with armature, and the armature both ends are respectively It touches end and suction side, the suction side of the armature is located at iron core left or right side, the touch end of the armature is located on yoke Side is simultaneously located on the downside of catch bar lower end, and the movable contact part includes the movable contact spring being fixed on catch bar and is arranged in movable contact spring The movable contact of left and right ends, the stationary contact part include static contact spring piece and the stationary contact mutually fixed with static contact spring piece, the stationary contact It corresponds and is located at below movable contact with movable contact, the movable contact spring is in contact with main spring end, and movable contact spring is in the master It is moved down under the action of spring, the coil is powered so that the suction side of armature is moved to iron core far from a side end of yoke It is dynamic, and move up the touch end of armature to drive catch bar and movable contact spring to move up.
The present invention substitutes the movement of dynamic iron core by the movement of armature, so that bobbin is laterally arranged without vertically setting It sets, is only arranged to reduce the space in relay height, while in bobbin cored, there is no magnetic conduction sleeve, bobbin can be done It is smaller, the number of turns and volume of coil are smaller, the power consumption smaller diminution to realize relay volume when use.Wherein, armature with Yoke is connected and fixed mode using the fixed form of armature in conventional clapper type relay.The components of magnetic circuit part of the present invention Less, manufacture production assembly cost is lower, and adapts to small size shell so that invention relay keeps miniaturization.The present invention Relay only work as in the case of coil is powered and can just make armature movable so that relay has normally closed function when being not powered on Energy.Wherein, compressed spring or extension spring can be used in main spring, to guarantee connecing for movable contact and stationary contact in the case of being not powered on Touching.
Preferably, being connected with several power of returning springs between the movable contact spring and shell, the power of the returning spring one end drag hook is Connecting pin is simultaneously connect with movable contact spring, and the power of the returning spring other end drag hook is fixing end and rhampotheca on slide bar, the slide bar with Shell is fixed, and the fixing end of the power of the returning spring is located above movable contact spring.
Wherein, power spring is returned to move up for auxiliary push-rod after being powered, it is quick between quick sound contact to realize Disjunction.The drag hook for returning power spring upper end is that simultaneously for rhampotheca on slide bar, several power of returning spring upper end drag hooks can be on slide bar for fixing end Sliding is to carry out self position adjusting, to guarantee the stabilization of movable contact spring.
Preferably, be arranged with pallet on the catch bar, the pallet has up and down through passing through for catch bar Upper through-hole, and the pallet is mutually fixed with shell, the main spring is set between pallet and movable contact spring, and the main spring is arranged On catch bar.
The fixation of pallet and shell can be carried out using various ways as needed, for example is formed on shell to pallet Card slot, or carry out the integrated molding of shell and pallet and manufacture, or pallet dispensing is immobilized in the shell etc..Pallet is for leading The limit of spring upper end, main spring are set in catch bar and between pallet and movable contact springs.
Preferably, the power of the returning spring includes that power spring is returned and power spring is returned on the right side in a left side, the slide bar include left slide bar and Right slide bar, the movable contact spring left and right ends are respectively formed with left movable contact spring protrusion and right movable contact spring protrusion, and the left movable contact spring is convex It rises and right movable contact spring protrusion is each formed with hook groove, the hook groove is located on the upside of the movable contact spring, the hook of the left movable contact spring protrusion Slot is for cooperating a left side to return power spring connecting pin, and the hook groove of the right movable contact spring protrusion is for cooperating the right side to return power spring connecting pin.
It is acted on slide bar since movable contact spring both ends are tightened up respectively, power spring is returned on a left side and power spring is returned always in the right side The active force that horizontally rotates of movable contact spring is prevented with one, to guarantee precisely aligning for movable contact and stationary contact, guarantees sound Contact reliably can accurately contact, to guarantee the performance of invention relay.Wherein, hook groove is located on the upside of movable contact spring, that is, returns power Not between movable contact spring and static contact spring piece, electric arc that the disjunction of sound contact generates will not be to returning power spring at any position of spring It impacts, returns power spring and be not damaged.Any position not between movable contact spring and static contact spring piece, the disjunction of sound contact produces Raw electric arc will not be impacted to power spring is returned, and returned power spring and be not damaged.
Preferably, the shell is made of enclosure body and cover board, the enclosure body is formed with for accommodating magnetic circuit Partially, the accommodating chamber of movable contact part and stationary contact part is connected with connecting rod between the left slide bar and right slide bar to constitute U Shape structure, one end of the left slide bar and one end of right slide bar are fixed with enclosure body, the other end of the left slide bar and the right side The connecting rod is connected between the other end of slide bar, the enclosure body is formed with for positioning left slide bar end and right slide bar The fixation hole of end, first shell protrusion is formed in the accommodating chamber of the enclosure body, and the first shell protrusion has a left side The right side is run through and towards the connecting rod locating slot of cover board side opening, and the connecting rod is located in the connecting rod locating slot;Or the left side Slide bar and right slide bar are respectively a part in a fixed link, and the fixed link is in U-shape, and fixed link both ends and shell are solid Fixed, the enclosure body is formed with the fixation hole for positioning fixed boom end;The left slide bar and right slide bar are same A part in fixed link;The fixed link at least one end is fixed with enclosure body.
When left slide bar and right slide bar are linked together by a connecting rod to constitute U-shaped, connecting rod can be done shorter, To reduce components consumptive material, the inclination of power spring is returned at this time;The connecting rod locating slot of first shell protrusion is for the upper and lower of connecting rod Limit tilts to avoid left slide bar and right slide bar;When left slide bar and right slide bar are respectively a part of the fixed link of a U-shaped When, convenient for returning the assembly of power spring, power spring will be returned by, which not needing, is pulled open so as to the inclination of power spring be returned, elastic force can be used smaller Return power spring;When left slide bar and right slide bar are a part in the same fixed link, so that the fixation of fixed link and shell is more For convenience, at this time one " font or U-shaped or L shape etc. may be selected in fixed link selected shape as needed and fixed form, fixed link Various shape.Wherein, the fixation of left and right slide bar and shell can be realized in such a way that dispensing is fixed.
Preferably, the touch end of the armature is fixed with collets, the collets upper surface is formed with recessed arc Face slot, the spherical type in catch bar lower end, the catch bar lower end is always positioned in the arch groove.
Collets are arranged to add to creepage distance, on collets the setting of arch groove to avoid catch bar lower end and absolutely Edge block is separated, so that moving up for collets immediately can be such that catch bar moves up.
Preferably, being formed with several the first positioning protrusion outwardly protruded, the armature on the touch end of the armature Touch end on be formed with the first locating slot of several indents, the collets are fixed on the touch end of the armature, and institute It states collets and is formed with the second locating slot matched with first positioning protrusion, the collets are formed with and described second The second positioning protrusion that locating slot matches;The yoke upper surface is recessed to be formed with deep gouge, and the deep gouge is used for insulation The resigning of block lower end.Above-mentioned setting so that collets without departing from armature touch end so that the fixed of collets and armature is imitated Fruit is more preferable.
Preferably, being fixed with elastic component in the inner walls, the elastic component is located at inner walls and armature attracts Between end, when the coil is energized, the suction side of the armature is mobile to contact with elastic component to separate core side.
The setting of leaf spring is for limiting armature, to position to armature, to prevent armature after relay power-off Shaking after reset.Wherein it is possible to select various modes to carry out the fixation of leaf spring end and shell as needed, as insertion slot type is tight Match, dispensing is fixed, fastener is fixed.
Preferably, being fixed with fixed plate in the shell, the fixed plate is formed with up and down through so that catch bar is logical The lower through-hole crossed, fixed plate lower end surface extends downwardly or upper surface is upwardly extended to be formed with the guide protrusions of annular;The shell It is formed with second shell protrusion in vivo, the second shell convexes to form the fixed plate locating slot for accommodating the fixed plate, institute It states second shell to convex to form up and down through the lower recessing groove to step down to push rod, the lower recessing groove and the fixed plate are fixed Position slot communicates.
Fixed plate and guide protrusions are smooth and steady when guaranteeing that catch bar moves up and down for being oriented to catch bar It is fixed;Wherein, the setting of guide protrusions can be such that fixed plate does thinner.
Preferably, the movable contact spring upper surface is recessed to be formed with annular groove, the main spring lower end is located at the ring In shape slot, the annular groove or arc groove matched with circlip is formed on the catch bar, the movable contact spring is supported on the card On the upside of spring;Or the catch bar from top to bottom includes at least first segment and second segment, it is straight that the first segment diameter is less than second segment To be formed with step structure, the movable contact spring is set in outside first segment and is supported on above second segment, the first segment housing diameter Equipped with support plate, under the action of main spring, the support plate is limited between second segment and movable contact spring.Above-mentioned setting is convenient for The fixation of movable contact spring and catch bar, support plate or circlip are all used to be supported movable contact spring.
The present invention has the advantages that volume is smaller, power consumption is lower, production assembly cost is lower.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that the present invention removes cover board;
Fig. 2 is another structural schematic diagram that the present invention removes cover board;
Fig. 3 present invention removes a kind of structural schematic diagram for returning power spring;
Fig. 4 is a kind of structural schematic diagram of enclosure body of the invention;
Fig. 5 is a kind of structural schematic diagram of left slide bar and right slide bar of the invention.
Specific embodiment
Below according to the drawings and specific embodiments, the invention will be further described.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Direct Action Type normally closed relay, including shell are closed in a kind of bat of the invention, Shell is made of enclosure body 1 and cover board, and enclosure body 1 is formed with for accommodating magnetic circuit part, movable contact part and stationary contact Partial accommodating chamber 10.
As shown in Fig. 1 to Fig. 3, magnetic circuit part includes bobbin 2 and the coil that is arranged on bobbin, the formation of bobbin 2 There is the perforative through slot in left and right, iron core 21 is equipped in through-hole, one end of L-shaped yoke 22 and iron core 21 are fixed, L-shaped yoke 22 The other end is located at 2 upside of bobbin and matches with armature 23, and 23 both ends of armature are respectively to touch end 231 and suction side 232, The suction side 232 of armature 23 is located at 21 left side of iron core, and the touch end 231 of armature 23 is located at 22 upside of yoke and is located at catch bar 3 On the downside of lower end.
Movable contact part includes the movable contact spring 4 being fixed on catch bar 3 and the movable contact that 4 left and right ends of movable contact spring are arranged in 41, stationary contact part includes static contact spring piece 5 and the stationary contact 51 fixed with 5 phase of static contact spring piece, and stationary contact 51 and movable contact 41 1 are a pair of Should and be located at the lower section of movable contact 41, movable contact spring 4 is in contact with 31 end of main spring, movable contact spring 4 under the action of main spring 31 to Lower movement, coil is powered so that the suction side 232 of armature 23 is moved to iron core 21 far from a side end of yoke 22, and makes armature 23 touch end 231 is moved up to drive catch bar 3 and movable contact spring 4 to move up.
Several power of returning springs are connected between movable contact spring 4 and shell, returning power spring includes that power spring 32 is returned and power bullet is returned on the right side in a left side Spring 33 returns power spring one end drag hook and is connecting pin 321 and connect with movable contact spring 4, and returning power spring other end drag hook is fixing end 331 And rhampotheca, on slide bar, slide bar axis is vertically arranged with rod axis is pushed, and the fixing end 331 for returning power spring is located on movable contact spring 4 Side.Slide bar includes left slide bar 34 and right slide bar 35, and 4 left and right ends of movable contact spring are respectively formed with left movable contact spring protrusion 42 and right dynamic spring Piece protrusion 43, left movable contact spring protrusion 42 and right movable contact spring protrusion 43 are each formed with hook groove 40, and hook groove 40 is located at 4 upside of movable contact spring, The hook groove of left movable contact spring protrusion 42 is used to cooperate the left connecting pin for returning power spring 32, and the hook groove of right movable contact spring protrusion 43 is for cooperating Return the connecting pin of power spring 33 in the right side.
As shown in Fig. 2, Fig. 4, Fig. 5, connecting rod 36 is connected between left slide bar 34 and right slide bar 35 to constitute U-shaped structure, One end of left slide bar 34 and one end of right slide bar 35 are fixed with enclosure body 1, the other end of left slide bar 34 and right slide bar 35 The connecting rod 36 is connected between the other end, enclosure body 1 is formed with for positioning 35 end of left 34 end of slide bar and right slide bar The fixation hole 19 in portion, first shell protrusion 11 is formed in the accommodating chamber 10 of enclosure body 1, and first shell protrusion 11 has left and right Run through and towards the connecting rod locating slot 13 of cover board side opening, connecting rod 36 is located in connecting rod locating slot 13.
As shown in Fig. 1 to Fig. 5, pallet 6 is arranged on catch bar 3, pallet 6 has up and down through so that catch bar 3 passes through Upper through-hole, first shell protrusion 11 lower end surfaces upwardly extend to be formed with the pallet holding tank 14 of accommodating tray 6, first shell Protrusion 11 is formed with downward through the upper recessing groove 12 to step down to catch bar upper end, upper recessing groove 12,14 and of pallet holding tank Connecting rod locating slot 13 communicates.Pallet 6 is stuck in pallet holding tank 14 and dispensing is fixed, and main spring 31 is set to pallet 6 and moves Between reed 4, main spring 31 is set on catch bar 3.4 upper surface of movable contact spring is recessed to be formed with annular groove 45, main spring 31 Lower end is located in annular groove 45, and the annular groove or arc groove matched with circlip 30 is formed on catch bar 3, and movable contact spring 4 supports In 30 upside of circlip.
As shown in Fig. 1 to Fig. 3, the touch end 231 of armature 23 is fixed with collets 7, and 7 upper surface of collets is formed with recessed Arch groove 71, the spherical type in 3 lower end of catch bar, 3 lower end of catch bar is always positioned in arch groove 71.The touch end of armature 23 It is formed with several the first positioning protrusion outwardly protruded on 231, is formed with the first of several indents on the touch end 231 of armature 23 Locating slot, the injection molding of collets 7 are formed on the touch end 231 of armature 23, and collets 7 are formed with to be matched with the first positioning protrusion The second locating slot, collets are formed with the second positioning protrusion matched with the second locating slot.Wherein, under 22 upper surface of yoke It is recessed to be formed with deep gouge 221, deep gouge 221 is for the resigning to 7 lower end of collets.
Enclosure body 1 accommodates and is fixed with elastic component 8 on cavity wall, and elastic component, which is located at, accommodates cavity wall and armature suction side Between 232, when the coil is energized, the suction side of the armature is mobile to contact with elastic component to separate core side.The present embodiment Elastic component 8 be leaf spring, leaf spring 8 is bent so that one end of leaf spring 8 and enclosure body 1 are fixed, when coil is powered, the attraction of armature End 232 to far from core side it is mobile with another end in contact of leaf spring, leaf spring 8 bends to constitute V-structure, the constituted V-arrangement of leaf spring 8 Opening up setting.
Fixed plate 9 is fixed in the accommodating chamber 10 of enclosure body 1, fixed plate 9 is formed with up and down through so that catch bar 3 is logical The lower through-hole crossed, 9 lower end surface of fixed plate are extended downwardly to be formed with the guide protrusions 91 of annular.Enclosure body 1 is formed with second Case protrusion 16, second shell protrusion 16 are formed with the fixed plate locating slot 17 for accommodating fixed plate 9, and second shell protrusion 16 is formed Have up and down through the lower recessing groove 18 to step down to push rod, lower recessing groove 18 is communicated with fixed plate locating slot 17.
The present invention substitutes the movement of dynamic iron core by the movement of armature, so that bobbin is laterally arranged without vertically setting It sets, is only arranged to reduce the space in relay height, while in bobbin cored, there is no magnetic conduction sleeve, bobbin can be done It is smaller, the number of turns and volume of coil are smaller, and to realize the diminution of relay volume, power consumption is smaller when use.Wherein, armature with Yoke is connected and fixed mode using the fixed form of armature in conventional clapper type relay.The components of magnetic circuit part of the present invention Less, manufacture production assembly cost is lower, and adapts to small size shell so that invention relay keeps miniaturization.The present invention Relay only work as in the case of coil is powered and can just make armature movable so that relay has normally closed function when being not powered on Energy.The present invention has the advantages that volume is smaller, power consumption is lower, production assembly cost is lower.

Claims (10)

1. Direct Action Type normally closed relay is closed in a kind of bat, it is characterised in that be equipped with magnetic circuit part, dynamic touching including shell, in the shell Point part and stationary contact part, the magnetic circuit part include bobbin and the coil that is arranged on bobbin, the bobbin shape At there is the perforative through slot in left and right, it is equipped with iron core in through-hole, one end and the iron core of L-shaped yoke are fixed, the other end of L-shaped yoke It is matched on the upside of bobbin and with armature, the armature both ends are respectively to touch end and suction side, the attraction of the armature End is located at iron core left or right side, and the touch end of the armature is located on the upside of yoke and is located on the downside of catch bar lower end, described dynamic Contact part includes the movable contact spring being fixed on catch bar and the movable contact that movable contact spring left and right ends are arranged in, the stationary contact portion Divide including static contact spring piece and the stationary contact mutually fixed with static contact spring piece, the stationary contact and movable contact correspond and be located under movable contact Side, the movable contact spring are in contact with main spring end, and movable contact spring moves down under the action of the main spring, and the coil is logical Electricity is so that the suction side of armature is moved to iron core far from a side end of yoke, and moves up the touch end of armature to drive Catch bar and movable contact spring move up.
2. Direct Action Type normally closed relay is closed in bat according to claim 1, it is characterised in that connect between the movable contact spring and shell Several power of returning springs are connected to, the power of the returning spring one end drag hook is connecting pin and connect with movable contact spring that the power of the returning spring is another Holding drag hook is that fixing end simultaneously on slide bar, fix rhampotheca with shell by the slide bar, and the fixing end of the power of the returning spring is located at dynamic spring Above piece.
3. Direct Action Type normally closed relay is closed in bat according to claim 1, it is characterised in that be arranged with support on the catch bar Disk, the pallet has up and down through the upper through-hole passed through for catch bar, and the pallet is mutually fixed with shell, the main bullet Spring is set between pallet and movable contact spring, and the main spring is set on catch bar.
4. Direct Action Type normally closed relay is closed in bat according to claim 2, it is characterised in that the power of the returning spring is returned including a left side Power spring is returned on power spring and the right side, and the slide bar includes left slide bar and right slide bar, and the movable contact spring left and right ends are respectively formed with a left side Movable contact spring protrusion and right movable contact spring protrusion, the left movable contact spring protrusion and right movable contact spring protrusion are each formed with hook groove, the hook groove On the upside of the movable contact spring, the hook groove of the left movable contact spring protrusion is for cooperating a left side to return power spring connecting pin, the right dynamic spring The hook groove of piece protrusion is for cooperating the right side to return power spring connecting pin.
5. Direct Action Type normally closed relay is closed in bat according to claim 4, it is characterised in that the shell by enclosure body and Cover board is constituted, and the enclosure body is formed with the accommodating chamber for accommodating magnetic circuit part, movable contact part and stationary contact part, institute It states and is connected with connecting rod between left slide bar and right slide bar to constitute U-shaped structure, one end of the left slide bar and one end of right slide bar It is fixed with enclosure body, the connecting rod is connected between the other end of the left slide bar and the other end of right slide bar, it is described Enclosure body is formed with the fixation hole for positioning left slide bar end and right slide bar end, shape in the accommodating chamber of the enclosure body First shell is raised at having, and there is left and right to run through and towards the connecting rod locating slot of cover board side opening, institute for the first shell protrusion Connecting rod is stated to be located in the connecting rod locating slot;Or the left slide bar and right slide bar are respectively one in a fixed link Point, the fixed link is in U-shape, and fixed link both ends are fixed with shell, and the enclosure body is formed with for positioning fixed rod end The fixation hole in portion;The left slide bar and right slide bar are a part in the same fixed link;The fixed link at least one End is fixed with enclosure body.
6. Direct Action Type normally closed relay is closed in bat according to claim 1, it is characterised in that the touch end of the armature is fixed There are collets, the collets upper surface is formed with recessed arch groove, the spherical type in catch bar lower end, the catch bar Lower end is always positioned in the arch groove.
7. Direct Action Type normally closed relay is closed in bat according to claim 6, it is characterised in that shape on the touch end of the armature At there are several the first positioning protrusion outwardly protruded, the first locating slot of several indents is formed on the touch end of the armature, The collets are fixed on the touch end of the armature, and the collets are formed with and match with first positioning protrusion The second locating slot, the collets are formed with the second positioning protrusion matched with second locating slot;On the yoke End face is recessed to be formed with deep gouge, and the deep gouge is for the resigning to collets lower end.
8. Direct Action Type normally closed relay is closed in bat according to claim 1, it is characterised in that be fixed in the inner walls Elastic component, the elastic component is between inner walls and armature suction side, when the coil is energized, the suction side of the armature to It is mobile to be contacted with elastic component far from core side.
9. Direct Action Type normally opened relay is closed in bat according to claim 1, it is characterised in that be fixed with fixation in the shell Plate, the fixed plate are formed with up and down through the lower through-hole passed through for catch bar, and fixed plate lower end surface extends downwardly or upper end Extend upwardly to be formed with the guide protrusions of annular;Second shell protrusion is formed in the shell, the second shell is convex It rises and is formed with the fixed plate locating slot for accommodating the fixed plate, the second shell has convexed to form up and down through to allow push rod The lower recessing groove of position, the lower recessing groove are communicated with the fixed plate locating slot.
10. Direct Action Type normally opened relay is closed in bat according to claim 3, it is characterised in that the movable contact spring upper surface is recessed To be formed with annular groove, the main spring lower end is located in the annular groove, is formed on the catch bar and matches with circlip Annular groove or arc groove, the movable contact spring is supported on the upside of the circlip;Or the catch bar from top to bottom includes at least One section and second segment, the first segment diameter are less than second segment diameter to be formed with step structure, and the movable contact spring is set in the It outside one section and is supported on above second segment, is arranged with support plate outside the first segment, under the action of main spring, the support plate It is limited between second segment and movable contact spring.
CN201811459012.5A 2018-12-01 2018-12-01 It claps and closes Direct Action Type normally closed relay Pending CN109686620A (en)

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Application Number Priority Date Filing Date Title
CN201811459012.5A CN109686620A (en) 2018-12-01 2018-12-01 It claps and closes Direct Action Type normally closed relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811459012.5A CN109686620A (en) 2018-12-01 2018-12-01 It claps and closes Direct Action Type normally closed relay

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CN109686620A true CN109686620A (en) 2019-04-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1838360A (en) * 2006-04-05 2006-09-27 王兆春 Electromagnetic relay
JP2009110693A (en) * 2007-10-26 2009-05-21 Panasonic Electric Works Co Ltd Electromagnetic relay
CN201562638U (en) * 2009-11-27 2010-08-25 宁波天波纬业电器有限公司 Normally-opened relay
CN202695307U (en) * 2012-06-27 2013-01-23 宁波天波港联电子有限公司 Relay
CN206194657U (en) * 2016-12-05 2017-05-24 浙江英洛华新能源科技有限公司 High -voltage direct -current relay movable contact spring anti -deflection mechanism
CN209298027U (en) * 2018-12-01 2019-08-23 浙江英洛华新能源科技有限公司 It claps and closes Direct Action Type normally closed relay

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1838360A (en) * 2006-04-05 2006-09-27 王兆春 Electromagnetic relay
JP2009110693A (en) * 2007-10-26 2009-05-21 Panasonic Electric Works Co Ltd Electromagnetic relay
CN201562638U (en) * 2009-11-27 2010-08-25 宁波天波纬业电器有限公司 Normally-opened relay
CN202695307U (en) * 2012-06-27 2013-01-23 宁波天波港联电子有限公司 Relay
CN206194657U (en) * 2016-12-05 2017-05-24 浙江英洛华新能源科技有限公司 High -voltage direct -current relay movable contact spring anti -deflection mechanism
CN209298027U (en) * 2018-12-01 2019-08-23 浙江英洛华新能源科技有限公司 It claps and closes Direct Action Type normally closed relay

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