CN206471294U - The magnetic latching relay of compact magnetic structure - Google Patents
The magnetic latching relay of compact magnetic structure Download PDFInfo
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- CN206471294U CN206471294U CN201720103181.XU CN201720103181U CN206471294U CN 206471294 U CN206471294 U CN 206471294U CN 201720103181 U CN201720103181 U CN 201720103181U CN 206471294 U CN206471294 U CN 206471294U
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Abstract
The utility model discloses a kind of magnetic latching relay of compact magnetic structure, including magnetic circuit system；Magnetic circuit system includes coil, iron core, yoke, armature, magnet steel and magnetic conductive part, coil is made up of bobbin and the enamel-covered wire being wrapped on bobbin, iron core is inserted in the through hole of bobbin, yoke is L-type, one side of yoke is mutually fixed with the tail end of iron core, the termination of the another side of yoke is set to the edge of a knife, and armature coordinates the knife-edge part in yoke；One end of magnetic conductive part is inserted into the through hole of bobbin and is in contact with the head of iron core, and default gap is provided between the other end of magnetic conductive part and the another side of yoke, and magnet steel is fitted in the gap using interference mode；The another side of yoke is provided with magnetic shielding structure, magnetic resistance during increasing magnetic loop by this.The utility model is improved by the structure to magnetic circuit system, with the characteristics of assembling is simple, process is few, armature is light, magnetic circuit cost is low.
Description
Technical field
The utility model is related to a kind of magnetic latching relay, the magnetic of more particularly to a kind of compact magnetic structure keep after
Electrical equipment.
Background technology
The structure of existing magnetic latching relay is made up of magnetic circuit system, contact system, pushing mechanism and pedestal.Magnetic circuit system
Typically it is made up of the magnetic circuit of two almost symmetries, including static magnetic conduction body component, movable magnetic conduction body component and coil, contact system
Including moving spring part, quiet spring part, pushing mechanism typically taken on by pushing block, pushing mechanism be connected to movable magnetic conduction body component with
Between dynamic spring part.Relay coil leads to direct impulse voltage, and magnetic circuit system work, pushing block promotes dynamic spring part, makes contact
Contact, the actuating of relay, coil leads to reverse impulse voltage, and magnetic circuit system work, pushing block promotes dynamic spring part, contact is broken
Open, relay involution.
A kind of magnetic circuit system of magnetic latching relay of prior art includes coil, iron core, yoke and armature part, coil
It is made up of bobbin and the enamel-covered wire being wrapped on bobbin, iron core is inserted in the through hole of bobbin, yoke is two and shape
Respectively L-type, two each of yokes are connected with the two ends of iron core respectively on one side, and each another side of two yokes is respectively intended to
It is connected with armature part, armature part is constituted by armature, magnet steel and by moulding of the armature together with magnet steel injection, is held in the mouth
Iron part is in I-shaped, and the armature of the magnetic circuit system of the magnetic latching relay of this structure is partially due to be to adopt armature with magnet steel
With integral molded plastic, cause that process is various, too high to injection mold required precision, armature part is heavy, and volume is larger, cost compared with
High shortcoming.
The magnetic circuit system of another magnetic latching relay of prior art include coil, iron core, yoke, armature, magnet steel and
Magnetic conductive part, coil is made up of bobbin and the enamel-covered wire being wrapped on bobbin, and iron core is inserted in the through hole of bobbin, and yoke is
L-type, one side of yoke is mutually fixed with the tail end of iron core, and the termination of the another side of yoke is as the edge of a knife, and armature coordinates in yoke
Knife-edge part, magnetic conductive part coordinate in the another side of yoke, one end of magnetic conductive part is mutually fixed with the another side of yoke, magnetic conductive part it is another
It is provided between end and the another side of yoke in a gap, gap of the alinco assembled between yoke and the other end of magnetic conductive part, this
The magnetic circuit system of the magnetic latching relay of structure is planted, wherein magnet steel will away from precision to opening between yoke, the other end of magnetic conductive part
Ask high, open and formed away from being riveted by one end of yoke, magnetic conductive part because of alinco assembled, when open away from it is small when, alinco assembled stress is larger,
It is easily caused magnet steel cracking or fragmentation；When open away from it is big when, magnet steel can not fit with yoke, increase magnetic circuit reluctance, influence product
Uniformity.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art to be kept there is provided a kind of magnetic of compact magnetic structure
Relay, by improving the structure of magnetic circuit system, with assembling is simple, the spy that process is few, armature is light, magnetic circuit cost is low
Point.
The utility model solves the technical scheme that its technical problem used：A kind of magnetic of compact magnetic structure is kept
Relay, including magnetic circuit system；Magnetic circuit system includes coil, iron core, yoke, armature, magnet steel and magnetic conductive part, and coil is by bobbin
Constituted with the enamel-covered wire being wrapped on bobbin, iron core is inserted in the through hole of bobbin, and yoke is L-type, one side of yoke and iron
The tail end of core is mutually fixed, and the termination of the another side of yoke is set to the edge of a knife, and armature coordinates the knife-edge part in yoke, one end of magnetic conductive part
It is inserted into the through hole of bobbin and is in contact with the head of iron core, is provided between the other end of magnetic conductive part and the another side of yoke
Default gap, magnet steel is fitted in the gap using interference mode；The another side of the yoke is provided with magnetic shielding structure, to increase
Magnetic resistance when big magnetic loop is by this.
The magnetic conductive part is U-shaped, and a U-shaped side for magnetic conductive part is inserted into the through hole of bobbin as one end of magnetic conductive part
In and be in contact with the head of iron core, U-shaped another side of magnetic conductive part is used as the other end of magnetic conductive part and the another side of yoke
Between be provided with the default gap.
In the magnet steel, the one side being in contact with the other end of magnetic conductive part is N poles or S poles.
The head of the iron core is provided with the breach for the U-shaped side for being used for being adapted to the magnetic conductive part.
A U-shaped side for the magnetic conductive part is engaged between the through hole of bobbin and the head of iron core for interference.
The magnetic conductive part is between the edge of a knife of yoke and the pole-face of iron core, and magnetic conductive part is less than the edge of a knife and iron core of yoke
Pole-face between line so that when armature is drawn to the pole-face of iron core, armature will not be contacted with magnetic conductive part.
The armature is provided with kink, and armature rides over the knife-edge part of yoke, one side of the kink of armature by kink
It is engaged for the pole-face with iron core, the another side of the kink of armature is used for being engaged with the another side of the yoke.
The magnetic shielding structure is magnet isolation tank, and the magnet isolation tank is located at the another side of the yoke and the joint of magnet steel and institute
Between being engaged of end for stating the another side of yoke and the another side of the kink of the armature.
The another side of the kink of the armature is set to arcuate structure or provided with kink again.
The recess that the arcuate structure of the another side of the kink of the armature or again kink are formed is towards the yoke
The another side of iron.
Compared with prior art, the beneficial effects of the utility model are：
The utility model as a result of by one end of magnetic conductive part be inserted into the through hole of bobbin and with the head of iron core
It is in contact, default gap is provided between the other end of magnetic conductive part and the another side of yoke, magnet steel is adapted to using interference mode
In the gap；This structure of the present utility model is to utilize bobbin to be plastic material, the characteristics of elasticity is preferable, by magnetic conduction
Opening away from minus tolerance (close-fitting) is designed between the other end of part and the another side of yoke, so, magnet steel just can well and magnetic conduction
Part, yoke laminating, now magnetic conductive part, yoke are changed into the bobbin of magnetic conductive part and bobbin contact position to the chucking power of magnet steel
Deformation power, its value is smaller, therefore stress is also smaller suffered by magnet steel, will not cause magnet steel ftracture or fragmentation；It it also avoid magnet steel
The problem of being fitted with gap away from larger caused magnet steel is opened, so as to avoid existing magnetic circuit problem, with assembling is simple, process
Less, the characteristics of armature is light, magnetic circuit cost is low.
The utility model is described in further detail below in conjunction with drawings and Examples；But it is of the present utility model a kind of tight
The magnetic latching relay of type magnetic structure of gathering is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the structure sectional view of embodiment the utility model (non-casing)；
Fig. 2 is the structure sectional view of embodiment magnetic circuit system of the present utility model；
Fig. 3 is the structural decomposition diagram of embodiment magnetic circuit system of the present utility model；
Fig. 4 is the organigram of the yoke of embodiment magnetic circuit system of the present utility model；
Structural representation when Fig. 5 is armature and the iron core adhesive of embodiment magnetic circuit system of the present utility model；
Fig. 6 is the structural representation when armature of embodiment magnetic circuit system of the present utility model is separated with iron core.
Embodiment
Embodiment
Referring to shown in Fig. 1 to Fig. 6, a kind of magnetic latching relay of compact magnetic structure of the present utility model, this implementation
The magnetic structure of example is horizontal, naturally it is also possible to be vertical；The magnetic latching relay includes magnetic circuit system 3, contact system 4, pushed away
Motivation structure 2 and pedestal 1, magnetic circuit system 3 include coil 31, iron core 32, yoke 33, armature 34, magnet steel 35 and magnetic conductive part 36, coil
31 are made up of bobbin 311 and the enamel-covered wire 312 being wrapped on bobbin, and iron core 32 is inserted in the through hole of bobbin 311, yoke
33 be L-type, and one side 331 of yoke is mutually fixed with the tail end of iron core 32, and the termination of the another side 332 of yoke is set to the edge of a knife 333, rank
Iron 34 coordinates at the edge of a knife 333 of yoke, one end of magnetic conductive part 36 be inserted into the through hole of bobbin 311 and with the head of iron core 32
Portion is in contact, and default gap is provided between the other end of magnetic conductive part 36 and the another side 332 of yoke, and magnet steel 35 uses interference side
Formula is fitted in the gap；The another side of the yoke is provided with magnetic shielding structure, magnetic resistance during increasing magnetic loop by this.
In the present embodiment, magnetic conductive part 36 is U-shaped, and a U-shaped side 361 for magnetic conductive part is inserted into as one end of magnetic conductive part
It is in contact in the through hole of bobbin 311 and with the head of iron core 32, U-shaped another side 362 of magnetic conductive part is used as magnetic conductive part
The default gap is provided between the another side 332 of the other end and yoke.
In the present embodiment, in magnet steel 35, the one side being in contact with the other end 362 of magnetic conductive part is S poles.
In the present embodiment, the head of iron core 32 is provided with the breach 321 for the U-shaped side for being used for being adapted to the magnetic conductive part.
In the present embodiment, it was between a U-shaped side 361 for magnetic conductive part and the through hole of bobbin and the head of iron core 32
It is full of and is engaged.
In the present embodiment, magnetic conductive part 36 is between the edge of a knife 333 of yoke and the pole-face 322 of iron core 32, and magnetic conductive part 36
Less than the line between the edge of a knife of yoke and the pole-face of iron core so that when armature 34 is drawn to the pole-face 322 of iron core, armature 34 will not
Contacted with magnetic conductive part 36.
In the present embodiment, armature 34 is provided with kink 341, and armature is ridden at the edge of a knife 333 of yoke by kink 341,
One side 342 of the kink of armature is used for being engaged with the pole-face 322 of iron core, the another side 343 of the kink of armature be used for
The another side 332 of the yoke is engaged.
The magnetic shielding structure is magnet isolation tank 334, and the magnet isolation tank 334 is located at another side 332 and the magnet steel 35 of the yoke
The another side 332 of joint and the yoke and the end of another side 343 of kink of the armature be engaged place
Between.
In the present embodiment, the another side 343 of the kink of armature is provided with kink 344 again, it is of course also possible to by armature
The another side 343 of kink is designed as arcuate structure.
In the present embodiment, the recess 345 that the kink again 344 of the another side of the kink of armature is formed is towards the yoke
The another side 332 of iron.
The magnetic latching relay of a kind of compact magnetic structure of the present utility model, as shown in figure 5, solid arrow is shown
The magnetic flux path of magnet steel 35, (can be designed to that magnetic resistance is very big as needed, magnetic flux path does not pass through because of magnet isolation tank 334
At this), first magnetic flux path of magnet steel 35 is：The N poles of magnet steel 35, the another side 332 of yoke, the edge of a knife 333, the armature of yoke
Kink one side 342, the first working gas gap S1, iron core 32, magnetic conductive part 36, the S poles of magnet steel 35；The Article 2 magnetic of magnet steel 35
Path is：：The N poles of magnet steel 35, the another side 332 of yoke, the edge of a knife 333 of yoke, the another side 343 of the kink of armature,
Second working gas gap S2, the another side 332 of yoke, iron core 32, magnetic conductive part 36, the S poles of magnet steel 35；The magnetic flux of magnet steel 35 leads to respectively
The first working gas gap S1 and the second working gas gap S2 are crossed, wherein the second working gas gap S2 air gap is minimum, air-gap reluctance is smaller, its
Loop magnetic resistance is small, and the magnetic flux for flowing through the second working gas gap S2 is larger, and the first working gas gap S1 air gap is larger, air-gap reluctance compared with
Greatly, its loop magnetic resistance is also larger, and the magnetic flux by the first working gas gap S1 is smaller, therefore, and armature 34 is maintained at position shown in Fig. 5
Put.After coil electricity, the magnetic flux that coil is produced is as shown in dotted arrow in Fig. 5, and it passes through the first working gas gap S1 magnetic flux
It is identical with the flow direction of magnet steel 35, therefore total magnetic flux enhancing；By the second working gas gap S2 magnetic flux with the magnetic flux of magnet steel 35 on the contrary,
Therefore total magnetic flux weakens.When the first working gas gap S1 total magnetic flux is more than the second working gas gap S2 total magnetic flux, armature 34 is moved
Make, now the position of armature 34 is as shown in fig. 6, now the first working gas gap S1 air gap is smaller, and magnetic resistance is small, corresponding magnetic flux compared with
Greatly；Second working gas gap S2 air gap is larger, and magnetic resistance is big, and corresponding magnetic flux is smaller, therefore, and armature 34 is maintained at as shown in Figure 6
Position.Flow direction and above-mentioned Fig. 5 that coil is produced dotted line are on the contrary, the transfer process of armature 34 and above-mentioned principle phase during release
Together.
In magnet steel 35, the one side being in contact with the other end 362 of magnetic conductive part can also be N poles, by adjusting coil current
Direction can just be realized.
A kind of magnetic latching relay of compact magnetic structure of the present utility model, is employed one end of magnetic conductive part 36
361 are inserted into the through hole of bobbin 311 and are in contact with the head of iron core 32, in the other end 362 and the yoke of magnetic conductive part
Default gap is provided between another side 332, magnet steel 35 is fitted in the gap using interference mode；It is of the present utility model this
It using bobbin 311 is plastic material that kind of structure, which is, elasticity preferably the characteristics of, by the another of the other end 362 of magnetic conductive part and yoke
Opening away from minus tolerance (close-fitting) is designed between one side, so, magnet steel 35 can just fit with magnetic conductive part 36, yoke 33 well, this
When magnetic conductive part 36, yoke 33 be changed into magnetic conductive part 36 and the bobbin of the contact position of bobbin 311 to the chucking power of magnet steel 35
Deformation power, its value is smaller, therefore stress is also smaller suffered by magnet steel, and magnet steel will not be caused to ftracture or fragmentation；Magnet steel is it also avoid to open
The problem of gap being fitted with away from larger caused magnet steel, so as to avoid existing magnetic circuit problem, with assembling is simple, process is few,
The characteristics of armature is light, magnetic circuit cost is low.
Above-mentioned simply preferred embodiment of the present utility model, not makees any formal limitation to the utility model.Though
Right the utility model is disclosed above with preferred embodiment, but is not limited to the utility model.It is any to be familiar with this area
Technical staff, in the case where not departing from technical solutions of the utility model scope, all using the technology contents of the disclosure above
Technical solutions of the utility model are made with many possible variations and modification, or is revised as equivalents equivalent embodiment.Therefore,
Every content without departing from technical solutions of the utility model, according to the utility model technical spirit to made for any of the above embodiments
What simple modification, equivalent variation and modification, all should fall in the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of magnetic latching relay of compact magnetic structure, including magnetic circuit system；Magnetic circuit system includes coil, iron core, yoke
Iron, armature, magnet steel and magnetic conductive part, coil are made up of bobbin and the enamel-covered wire being wrapped on bobbin, and iron core is inserted in bobbin
Through hole in, yoke is L-type, and one side of yoke is mutually fixed with the tail end of iron core, and the termination of the another side of yoke is set to the edge of a knife, rank
Iron coordinates the knife-edge part in yoke；It is characterized in that：One end of magnetic conductive part be inserted into the through hole of bobbin and with the head of iron core
Portion is in contact, and default gap is provided between the other end of magnetic conductive part and the another side of yoke, and magnet steel is adapted to using interference mode
In the gap；The another side of the yoke is provided with magnetic shielding structure, magnetic resistance during increasing magnetic loop by this.
2. the magnetic latching relay of compact magnetic structure according to claim 1, it is characterised in that：The magnetic conductive part is
U-shaped, a U-shaped side for magnetic conductive part is inserted into the through hole of bobbin as one end of magnetic conductive part and connected with the head of iron core
Touch, U-shaped another side of magnetic conductive part as between the other end of magnetic conductive part and the another side of yoke provided with it is described it is default between
Gap.
3. the magnetic latching relay of compact magnetic structure according to claim 1, it is characterised in that：In the magnet steel,
The one side being in contact with the other end of magnetic conductive part is N poles or S poles.
4. the magnetic latching relay of compact magnetic structure according to claim 2, it is characterised in that：The head of the iron core
Portion is provided with the breach for the U-shaped side for being used for being adapted to the magnetic conductive part.
5. the magnetic latching relay of compact magnetic structure according to claim 2, it is characterised in that：The magnetic conductive part
A U-shaped side is engaged between the through hole of bobbin and the head of iron core for interference.
6. the magnetic latching relay of compact magnetic structure according to claim 1, it is characterised in that：At the magnetic conductive part
Between the edge of a knife of yoke and the pole-face of iron core, and magnetic conductive part makes less than the line between the edge of a knife of yoke and the pole-face of iron core
Armature when being drawn to the pole-face of iron core, armature will not be contacted with magnetic conductive part.
7. the magnetic latching relay of compact magnetic structure according to claim 1, it is characterised in that：The armature is provided with
Kink, armature rides over the knife-edge part of yoke by kink, and one side of the kink of armature is used for matching with the pole-face of iron core
Close, the another side of the kink of armature is used for being engaged with the another side of the yoke.
8. the magnetic latching relay of compact magnetic structure according to claim 7, it is characterised in that：The magnetic shielding structure
For magnet isolation tank, the magnet isolation tank is located at the another side of the another side of the yoke and the joint of magnet steel and the yoke and described
Between being engaged of the end of the another side of the kink of armature.
9. the magnetic latching relay of compact magnetic structure according to claim 7, it is characterised in that：The armature it is curved
The another side of folding part is set to arcuate structure or provided with kink again.
10. the magnetic latching relay of compact magnetic structure according to claim 9, it is characterised in that：The armature
The recess that the arcuate structure of the another side of kink or again kink are formed is towards the another side of the yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103181.XU CN206471294U (en) | 2017-01-23 | 2017-01-23 | The magnetic latching relay of compact magnetic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103181.XU CN206471294U (en) | 2017-01-23 | 2017-01-23 | The magnetic latching relay of compact magnetic structure |
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| Publication Number | Publication Date |
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| CN206471294U true CN206471294U (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720103181.XU Active CN206471294U (en) | 2017-01-23 | 2017-01-23 | The magnetic latching relay of compact magnetic structure |
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| Country | Link |
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| CN (1) | CN206471294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11373829B2 (en) | 2018-09-30 | 2022-06-28 | Tyco Electronics (Shenzhen) Co. Ltd. | Electromagnetic relay |
-
2017
- 2017-01-23 CN CN201720103181.XU patent/CN206471294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11373829B2 (en) | 2018-09-30 | 2022-06-28 | Tyco Electronics (Shenzhen) Co. Ltd. | Electromagnetic relay |
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