CN106128859A - A kind of stage clip and comprise the pusher relay of this stage clip - Google Patents
A kind of stage clip and comprise the pusher relay of this stage clip Download PDFInfo
- Publication number
- CN106128859A CN106128859A CN201610759175.XA CN201610759175A CN106128859A CN 106128859 A CN106128859 A CN 106128859A CN 201610759175 A CN201610759175 A CN 201610759175A CN 106128859 A CN106128859 A CN 106128859A
- Authority
- CN
- China
- Prior art keywords
- stage clip
- withholding
- section
- armature
- clip body
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Clamps And Clips (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of stage clip and the pusher relay comprising this stage clip.Described stage clip includes that stage clip body, stage clip body are provided with the section of withholding extended to the oblique upper of the facade towards armature, described in the face of withholding of the section of withholding and stage clip body towards the angle constituting obtuse angle structure between the facade of armature.Pusher relay includes base, be arranged on base and the magnetic circuit part that coupled by push rod and contact portion；The coil that described magnetic circuit part mainly by the iron core being arranged on base, is sleeved on iron core, the yoke being arranged in coil side, the armature being arranged on yoke with See-saw effect and the stage clip at armature back side applying spring force form, described stage clip includes stage clip body, stage clip body is provided with the section of withholding extended to the oblique upper of the facade towards armature, described in the face of withholding of the section of withholding and stage clip body towards the angle constituting obtuse angle structure between the facade of armature.
Description
Technical field
The present invention relates to relay, the stage clip of the relay of a kind of spring structure with pressure, and comprise this stage clip
Pusher relay.
Background technology
Relay, as the basic controlling assembly of electrical system, has obtained universality application on electromechanical equipment.Existing continue
The various structures of electrical equipment, the most also includes pusher relay.
Shown in Figure 1, existing pusher relay mainly by base 1, be arranged on base 1 and coupled by push rod 8
Magnetic circuit part and contact portion；And magnetic circuit part mainly by the iron core 3 being arranged on base 1, the coil 2 being sleeved on iron core 3,
The yoke 5 being arranged in coil 2 side, the armature 4 being arranged in See-saw effect on yoke 5 and armature 4 back side apply bullet
The stage clip 6 of spring force forms.Its operation principle is about, when adding electric current, the excitatory electricity of coil 2 at leading foot 7 two ends of coil 2
Stream can produce magnetic flux, magnetic flux by iron core 3, between yoke 5 and armature 4 working gas gap composition magnetic circuit, and working gas gap produce
Raw electromagnetic attraction；When exciting curent rising reaches a certain value, electromagnetic attraction moment will overcome the bullet of the movable contact spring of contact portion
Property countertorque, makes armature 4 rotate, thus drives push rod 8 to promote the movable contact spring 8 of contact portion, it is achieved the contact of contact portion is closed
Close；When exciting curent is reduced to certain value, the elastic reaction square of contact portion movable contact spring is more than electromagnetic attraction moment, armature 4
Returning to original state, the contact of contact portion disconnects.In the whole See-saw effect action of armature 4, armature 4 is existed by stage clip 6
Rotation process is carried out spacing, prevent armature 4 from departing from yoke 5.Thus, stage clip is on the relay including aforementioned relay
Important composition parts, it is desirable to it does not need only have certain elastic compression power, and this thrust is unsuitable excessive, otherwise can
Rotation to armature applies frictional resistance, affects the mechanical life of relay.The mechanical life of relay refers to, in coil pin
End applies rated voltage, and tip side does not apply load, and make-to-break ratio is set to 300 beats/min, and continues to monitor product action 100
～10,000,000 times (different series product requires different mechanical life), confirm that its electric parameter is the most qualified.
At present, in the structure design of relay, the structure design of stage clip typically has two ways.
One, is directly riveted on elastic stage clip on yoke, offers the through hole supplying stage clip to pass (see figure on armature
Shown in 1；Or, see the Chinese patent literature that Publication No. CN2382124, publication date are on June 7th, 2000).This mode is not only
It is easily caused yoke to deform in riveting process；And, the armature difficulty of processing of perforate increases, the most whole relay
Assembling difficulty also increases (to be needed to pass the elastic pressuring spring riveted on yoke in the perforate of armature, and makes the end of stage clip
Withhold at the armature back side)；It addition, the thrust that armature is applied by the stage clip of this mode is bigger, armature can be caused to rotate
During by the bigger resistance of stage clip.These factors all can cause the mechanical parameter instability of the relay of institute's molding, and then
Mechanical life of relay is caused and has a strong impact on.
Its two, elastic stage clip is arranged on base, the armature that base is assembled is carried out spacing (see Publication No.
CN101777460, publication date are the Chinese patent literature on July 14th, 2010).This mode is usually and is fixed on stage clip one side
On base, it is not only higher to the assembly technical requirement of part；And, easily produce plastics bits, in order to solve asking of plastics bits
Topic, it will usually be fixed with a glue at the plug-in mounting position of stage clip, the manufacturing cost of relay can be increased the most again.
In sum, the design structure of existing stage clip it is existed molding difficulty is big, assemble the technical problem that difficulty is big,
It is unfavorable for the mechanical parameter stability of the applied relay of effective guarantee, there is direct unfavorable shadow the mechanical life of relay
Ring；It addition, the manufacturing cost of relay can be increased.
Summary of the invention
One of goal of the invention of the present invention is: for the particularity of above-mentioned relay and existing stage clip technology not
Foot, it is provided that a kind of simple in construction, convenient formation, elastic compression power are easy to control, assemble the stage clip that difficulty is little.
The two of the goal of the invention of the present invention are: for the stage clip of one of the deficiency of above-mentioned existing relay and purpose,
There is provided and a kind of assemble that difficulty is little, low cost of manufacture, be conducive to improving and ensure mechanical parameter stability, comprise one of purpose pressure
The pusher relay of spring.
One of goal of the invention of the present invention be the technical scheme is that a kind of stage clip, and described stage clip is applied to band stage clip
The relay of structure, including stage clip body, described stage clip body is provided with the button extended to the oblique upper of the facade towards armature
Pressure section, described in the face of withholding of the section of withholding and stage clip body towards the angle constituting obtuse angle structure between the facade of armature.
Preferably, described in the section of withholding be bending structure, the bending bottom surface of the section of withholding is the face of withholding.
Preferably, face of withholding and the stage clip body of the section of withholding described in towards the angle between the facade of armature are
110～150 °.
Preferably, described in there is between the section of withholding and stage clip body the stretch section of horizontal expansion, described in the section of withholding
The hair clip kinking structure contrary with composition both direction between stretch section, between stretch section and stage clip body, whole stage clip is S-shaped
Shape.
Preferably, the wing plate being respectively arranged at two ends with bending of described stage clip body, described stage clip body and wing plate
Between exterior angle be rounding structure.
The two of the goal of the invention of the present invention be the technical scheme is that a kind of push-down relay comprising above-mentioned stage clip
Device, including base, is arranged on base and the magnetic circuit part that coupled by push rod and contact portion；Described magnetic circuit part is mainly by cloth
The iron core, the coil being sleeved on iron core that are placed on base, it is arranged in the yoke of coil side, is arranged in yoke with See-saw effect
Armature on ferrum and apply the stage clip composition of spring force at the armature back side, described stage clip includes stage clip body, described stage clip this
Body is provided with the section of withholding extended to the oblique upper of the facade towards armature, described in the section of withholding face of withholding and stage clip body towards
The angle of obtuse angle structure is constituted between the facade of armature.
Preferably, described in the section of withholding be bending structure, the bending bottom surface of the section of withholding is the face of withholding.
Preferably, face of withholding and the stage clip body of the section of withholding described in towards the angle between the facade of armature are
110～150 °.
Preferably, described in there is between the section of withholding and stage clip body the stretch section of horizontal expansion, described in the section of withholding
The hair clip kinking structure contrary with composition both direction between stretch section, between stretch section and stage clip body, whole stage clip is S-shaped
Shape.
Preferably, the wing plate being respectively arranged at two ends with bending of described stage clip body, described stage clip body and wing plate
Between exterior angle be rounding structure.
Preferably, described base is provided with the installing rack being erected between magnetic circuit part and contact portion, described
Yoke embedding slot, armature embedding slot, stage clip embedding slot and push rod fitting recess sequentially it is provided with on installing rack.
The invention has the beneficial effects as follows:
Armature is compressed spacing by the section of withholding that stage clip the most of the present invention is extended by oblique upper, its be not only simple in structure and
Convenient formation, and the elastic compression power of the section of withholding can easily be accommodated control, in order to and being matched with design requirement, it is pacified on relay
During dress, it is not necessary to contact type connects fixing and perforation, assembles difficulty little, reliable, practical, be conducive to improving the manufacture effect of relay
Rate, reduction manufacturing cost；
The section of withholding of stage clip the most of the present invention takes shape on stage clip body by stretch section, and it is on relay during combination application, bullet
Power is compared with big and little with the frictional force of armature, and then can effectively realize spacing to the armature rotated, and can reduce again and turn armature
Dynamic resistance；Additionally, the v-shaped structure of the stage clip section of withholding so that it can form contacting of " point " or " line " with armature, so exists
While ensureing position-limiting action, it is greatly reduced again the contact area of stage clip and armature, when further reducing armature rotation
Frictional force, enable the stability of relay mechanical life effectively and reliably to improve；
The wing plate structure of stage clip the most of the present invention, when making stage clip assemble on relay base, both can guarantee that stage clip was steady on base
Admittedly be embedded in, can reduce again, even avoid it to assemble and friction soft flocks in application process produces, and then ensure inside relay
Cleaning, be conducive to reducing further the manufacturing cost of relay, improve the stability of relay, extend the use longevity of relay
Life；
4. invention relay contains stage clip of the present invention, thus has above-mentioned 1,2 and the advantage of 3 so that relay of the present invention
The overall package difficulty of device is little, low cost of manufacture, is also conducive to improving and ensureing the stability of relay mechanical parameter simultaneously, has
Being beneficial to effectively and reliably promote the mechanical life of relay, reliability is high, practical.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of existing pusher relay.
Fig. 2 is a kind of structural representation of stage clip of the present invention.
Fig. 3 is the rearview of stage clip shown in Fig. 2.
Fig. 4 is a kind of structural representation of invention relay.
Fig. 5 is a kind of structural representation of armature in Fig. 4.
Fig. 6 is the rearview of armature shown in Fig. 5.
Fig. 7 is a kind of structural representation of base in Fig. 4.
Fig. 8 is the rearview of base shown in Fig. 7.
Fig. 9 is the package assembly schematic diagram of invention relay.
Code name implication in figure: 1 base；2 coils；3 iron cores；4 armature；5 yokes；6 stage clips；61 stage clips
Body；62 stretch sections；63 sections of withholding；64 wing plates；7 leading foots；8 push rods；9 normally closed static contact spring pieces；10 move spring
Sheet；11 normally opened static contact spring pieces.
Detailed description of the invention
Embodiment 1
Seeing shown in Fig. 2, Fig. 3 and Fig. 4, the present invention is the stage clip 6 of the relay being applied to spring structure with pressure, and it includes that lamellar is tied
The stage clip body 61 of structure.
In order on the base 1 of relay easily, easily, cleaning, reliably assemble, the two ends of stage clip body 61 are divided
Not being provided with the wing plate 64 of direction, armature 4 place bending, the exterior angle between stage clip body 61 and wing plate 64 is rounding structure,
I.e. form arc transition, and the outer, bottom of wing plate 64 is rounding structure.So, on relay during application, stage clip 6 can
Effectively fix on base 1 in the way of circular arc interference setting-in, the most also ensure that stage clip 6 is during setting-in and later simultaneously
Soft flocks is not produced during use.
Above-mentioned stage clip body 61 is provided with withholds the spacing section of withholding 63 to armature 4, and this section of withholding 63 is by stretch section 62
It is shaped on stage clip body 61.The stretch section 62 upper lateral inside one end of stage clip body 61 is extended (towards separately
One end), constitute the hair clip kinking of a heavy camber between stretch section 62 and stage clip body 61.It is shaped in stretch section 62 afterbody
The section of withholding 63 in afterbody bending certain angle, the section of withholding after bending 63 (towards the direction of armature 4) forward of stretch section 62
From the center of the horizontal back bending in the oblique upper of stretch section 62 to stretch section 62, i.e. constitute one between the section of withholding 63 and stretch section 62
The hair clip kinking structure of heavy camber, and the bottom surface of the section of withholding 63 and stretch section 62 and stage clip body 61 towards armature 4 facade not
At grade.
Institute between the hair clip kinking structure and the section of withholding 63 and the stretch section 62 that are constituted between stretch section 62 and stage clip body 61
Hair clip kinking structure in opposite direction constituted, thus constitute the hair clip kinking structure that both direction is contrary, whole stage clip 6 is S-shaped,
I.e. form the hollow out being similar to S-shaped shape, so ensure that elasticity.
The section of withholding of bending 63 is in order to reduce contact area with armature 4, reduce contact friction force, and the section of withholding 63 is V-arrangement
In the middle part of bending structure, i.e. stretch section 62, the section of withholding 63 at top bends with V-arrangement, the button that bottom surface is the section of withholding 63 of V-arrangement bending
Pressure surface.Owing to the section of withholding 63 of bending is extended to the oblique upper of the facade towards armature at stage clip body 61, so that withholding
The face of withholding of section 63 and stage clip body 61 are towards the angle constituting obtuse angle structure between the facade of armature.It is said that in general, this angle
Span be 110～150 °, such as 110 °, 130 °, 140 ° or 150 ° etc., depending on specifically making design requirement.
Certainly, the bending deformation of the above-mentioned section of withholding can also use the bending knots such as U-bend folding, arc bending or circular bending
Structure replaces.
Embodiment 2
Seeing Fig. 2 to shown in 9, the present invention is to comprise the pusher relay of stage clip shown in embodiment, concrete, this relay bag
Include base 1, be arranged on base 1 and the magnetic circuit part that coupled by push rod 8 and contact portion.
Wherein, the arrangement being respectively provided on two sides with part magnetic circuit part of base 1 and the arrangement of contact portion, magnetic
Base 1 between road part arrangement and contact portion arrangement is provided with the installing rack of setting, and this installing rack is from close
The arrangement of magnetic circuit part rises, and is sequentially provided with yoke embedding slot, armature embedding slot, stage clip embedding slot and push rod fitting recess.
Magnetic circuit part is mainly made up of iron core 3, coil 2, armature 4, yoke 5 and stage clip.Iron core 3 is installed on base 1
In iron core hole, the end face at base 1 is erect.Coil 2 is sleeved on the periphery of iron core 3, and the leading foot 7 of coil 2 is arranged in base 1
On bottom surface.In the yoke embedding slot that the yoke 5 of fork bifurcation structure is inlaid on installing rack, it is in the side of coil 2.The yoke of nearly L-shaped
In the armature embedding slot that ferrum 5 is inlaid on installing rack, along shape in the middle inside (i.e. kink) of armature 4 and the outside of yoke 5
Becoming linear contact lay, the two is with this linear contact lay as swinging axle, and armature 4 forms the layout of See-saw effect on yoke 5, and armature 4 extends
Above iron core 3.In the stage clip embedding slot that the stage clip 6 of nearly laminated structure is inlaid on installing rack, stage clip 6 is executed at armature 4 back side
Adding spring force, spacing to armature 4, the concrete structure of stage clip 6 is same as in Example 1, does not repeats them here.
Contact portion is mainly made up of normally closed static contact spring piece 9, movable contact spring 10 and normally opened static contact spring piece 11, on these three reed respectively
Being provided with contact, movable contact spring 10 is between normally closed static contact spring piece 9 and normally opened static contact spring piece 11, and under the action of push rod 8, movable contact spring 10 exists
The switching of contact action is formed between normally closed static contact spring piece 9 and normally opened static contact spring piece 11.
In the push rod fitting recess that push rod 8 is arranged on the installing rack of base, one end of push rod 8 abuts with the bottom of armature 4,
The other end abuts with movable contact spring 10.Push rod 8 coordinates with armature 4, the magnetic torque of transmission magnetic circuit part and the spring force of contact portion
Square.
Embodiment 3
Other content of the present embodiment is same as in Example 2, and difference is: the contact portion of relay is mainly quiet by one
Reed and a movable contact spring composition.
Various embodiments above only in order to the present invention to be described, is not intended to limit；Although with reference to the various embodiments described above to this
Bright it is described in detail, it will be understood by those within the art that: the present invention still can be to the various embodiments described above
In concrete technical scheme modify, or wherein portion of techniques feature is carried out equivalent, and these amendments or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention.
Claims (10)
1. a stage clip, described stage clip (6) is applied to the relay of spring structure with pressure, and including stage clip body (61), its feature exists
Be provided with the section of withholding (63) extended to the oblique upper of the facade towards armature in: described stage clip body (61), described in the section of withholding
(63) face of withholding and stage clip body (61) are towards the angle constituting obtuse angle structure between the facade of armature.
Stage clip the most according to claim 1, it is characterised in that the section of withholding described in: (63) is bending structure, the section of withholding (63)
Bending bottom surface is the face of withholding.
Stage clip the most according to claim 1 or claim 2, it is characterised in that the face of withholding of the section of withholding described in: (63) and stage clip body
(61) towards the angle between the facade of armature be 110～150 °.
Stage clip the most according to claim 1 or claim 2, it is characterised in that have between the section of withholding described in: (63) and stage clip body (61)
Have the stretch section (62) of horizontal expansion, described between the section of withholding (63) and stretch section (62), stretch section (62) and stage clip body
(61) constituting the hair clip kinking structure that both direction is contrary between, whole stage clip (6) is S-shaped.
Stage clip the most according to claim 1, it is characterised in that: the wing being respectively arranged at two ends with bending of described stage clip body (61)
Plate (64), the exterior angle between described stage clip body (61) and wing plate (64) is rounding structure.
6. comprise a pusher relay for stage clip described in claim 1, including base (1), be arranged in base (1) upper and by
Magnetic circuit part that push rod (8) couples and contact portion；Described magnetic circuit part is mainly by the iron core (3) being arranged on base (1), set
The coil (2), the yoke (5) being arranged in coil (2) side that are contained on iron core (3), it is arranged in See-saw effect on yoke (5)
Armature (4) and armature (4) back side apply spring force stage clip (6) composition, described stage clip (6) includes stage clip body
(61), it is characterised in that: described stage clip body (61) is provided with the section of withholding extended to the oblique upper of the facade towards armature (4)
(63) face of withholding of the section of withholding described in, (63) and stage clip body (61) are towards the folder constituting obtuse angle structure between the facade of armature
Angle.
Comprise the pusher relay of stage clip the most according to claim 6, it is characterised in that the section of withholding described in: (63) is bending
Structure, the bending bottom surface of the section of withholding (63) is the face of withholding.
8. according to claim 6 or 7, comprise the pusher relay of stage clip, it is characterised in that the section of withholding described in: (63)
Withholding face and stage clip body (61) is 110～150 ° towards the angle between the facade of armature.
9. according to claim 6 or 7, comprise the pusher relay of stage clip, it is characterised in that the section of withholding described in: (63) with
There is between stage clip body (61) stretch section (62) of horizontal expansion, described between the section of withholding (63) and stretch section (62), elastic
Constituting in opposite direction two hair clip kinking structure between section (62) and stage clip body (61), whole stage clip (6) is S-shaped.
Comprise the pusher relay of stage clip the most according to claim 6, it is characterised in that: described stage clip body (61)
Being respectively arranged at two ends with the wing plate (64) of bending, the exterior angle between described stage clip body (61) and wing plate (64) is rounding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759175.XA CN106128859B (en) | 2016-08-30 | 2016-08-30 | A kind of compression spring and the pusher relay comprising the compression spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759175.XA CN106128859B (en) | 2016-08-30 | 2016-08-30 | A kind of compression spring and the pusher relay comprising the compression spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106128859A true CN106128859A (en) | 2016-11-16 |
| CN106128859B CN106128859B (en) | 2018-05-22 |
Family
ID=57273087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610759175.XA Active CN106128859B (en) | 2016-08-30 | 2016-08-30 | A kind of compression spring and the pusher relay comprising the compression spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106128859B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1031948A (en) * | 1996-07-18 | 1998-02-03 | Omron Corp | Electromagnetic relay |
| CN2382124Y (en) * | 1999-08-17 | 2000-06-07 | 厦门宏发电声有限公司 | Electromagnetic relay |
| CN101582352A (en) * | 2009-05-08 | 2009-11-18 | 厦门宏发电声股份有限公司 | Relay for limiting position of armature by reed |
| CN202405188U (en) * | 2011-12-19 | 2012-08-29 | 厦门宏发汽车电子有限公司 | Relay utilizing connection sheet to limit armature |
| CN205984819U (en) * | 2016-08-30 | 2017-02-22 | 四川宏发电声有限公司 | Pressure spring and contain pusher relay of this pressure spring |
-
2016
- 2016-08-30 CN CN201610759175.XA patent/CN106128859B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1031948A (en) * | 1996-07-18 | 1998-02-03 | Omron Corp | Electromagnetic relay |
| CN2382124Y (en) * | 1999-08-17 | 2000-06-07 | 厦门宏发电声有限公司 | Electromagnetic relay |
| CN101582352A (en) * | 2009-05-08 | 2009-11-18 | 厦门宏发电声股份有限公司 | Relay for limiting position of armature by reed |
| CN202405188U (en) * | 2011-12-19 | 2012-08-29 | 厦门宏发汽车电子有限公司 | Relay utilizing connection sheet to limit armature |
| CN205984819U (en) * | 2016-08-30 | 2017-02-22 | 四川宏发电声有限公司 | Pressure spring and contain pusher relay of this pressure spring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106128859B (en) | 2018-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205984819U (en) | Pressure spring and contain pusher relay of this pressure spring | |
| CN103236376A (en) | Magnetic latching relay of dissymmetrical solenoid-type structure | |
| CN106356251A (en) | Latch relay | |
| CN202855650U (en) | Push-and-pull type magnetic latching relay | |
| CN203134717U (en) | Magnetic retaining relay with asymmetrical solenoid-type structure | |
| CN102915879A (en) | Push-pull magnetic latching relay | |
| CN201514903U (en) | Limiting type double-breakpoint electromagnetic relay | |
| CN108550503B (en) | Direct current contactor | |
| CN106128859A (en) | A kind of stage clip and comprise the pusher relay of this stage clip | |
| CN110137038A (en) | The magnetic latching relay of the effectively disconnected electric arc that goes out | |
| CN104485195B (en) | A kind of electric magnet with buffer structure | |
| CN203733721U (en) | Electromagnetic suction mechanism for control and protection switch | |
| CN217214330U (en) | Electromagnetic drive device with double stroke and electromagnetic device | |
| CN205542622U (en) | Magnetic latching relay for synchro switch | |
| CN201247739Y (en) | Double-contact relay | |
| CN206148372U (en) | Relay promotes card structure and contains relay of this promotion card | |
| CN203536311U (en) | Track-type transmission electromagnetic relay | |
| CN202549733U (en) | Relay | |
| CN110010417B (en) | Contactor | |
| CN202816812U (en) | Electromagnetic system of energy-saving contactor | |
| CN201725697U (en) | Electromagnet control device for control and protective switching device | |
| CN208225809U (en) | A kind of AUTOMOTIVE RELAY | |
| CN208225807U (en) | A kind of magnetic steel built-in type AUTOMOTIVE RELAY | |
| CN106328446A (en) | Magnetic latching relay, magnetic circuit structure and work method thereof | |
| CN201562638U (en) | Normally-opened relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |