CN207781503U - A kind of magnetic latching relay - Google Patents
A kind of magnetic latching relay Download PDFInfo
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- CN207781503U CN207781503U CN201820025526.9U CN201820025526U CN207781503U CN 207781503 U CN207781503 U CN 207781503U CN 201820025526 U CN201820025526 U CN 201820025526U CN 207781503 U CN207781503 U CN 207781503U
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- iron core
- magnet steel
- yoke
- magnetic
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Abstract
The utility model discloses a kind of magnetic latching relays, including：Pedestal, terminal assemblies, direct-push magnetic keep driving device, iron core assembly and moving contact, it is provided with stationary contact on the terminal assemblies, the moving contact is provided with movable contact, the direct-push magnetic keeps driving device to be mounted on the pedestal and drives the iron core assembly reciprocating motion, the moving contact links with the iron core assembly, and the movable contact is oppositely arranged with the stationary contact；Wherein, it includes coil rack, electromagnetic coil, yoke, magnet steel and magnet steel holder that the magnetic, which keeps driving device,；Around being located on the coil rack, the yoke is disposed around the coil rack side and forms peripheral frame the electromagnetic coil；The magnet steel holder is removably installed in the yoke, and includes the accommodating chamber for placing the magnet steel thereon.Yoke is to enclose frame like structure, and global formation processing property is good.Magnet steel is easy to disassemble, convenient for needing the when of adjusting magnetic force to adjust magnet steel.
Description
Technical field
The utility model is related to technical field of circuit control, a kind of especially magnetic latching relay.
Background technology
Magnetic latching relay is a kind of new type of relay developed in recent years and a kind of automatic switch and other
Electromagnetic relay is the same, has automatic switching on and cutting action to circuit.The difference is that magnetic latching relay is to remove excitation
A kind of bistable relay of state when still maintaining excitation later.Existing magnet steel adjacent windings skeleton setting, dismounting is difficult,
It is difficult to be operated when needing to adjust magnetic force.
Invention content
The purpose of this utility model is to provide a kind of magnetic latching relay, need to adjust magnet steel adjustment easy to disassemble when magnetic force.
The technical scheme that the utility model is provided is as follows：A kind of magnetic latching relay, including：Pedestal, directly pushes away terminal assemblies
Formula magnetic keeps driving device, iron core assembly and moving contact, and stationary contact, the moving contact setting are provided on the terminal assemblies
There are movable contact, the direct-push magnetic to keep driving device to be mounted on the pedestal and drive the iron core assembly reciprocating motion, institute
It states moving contact to link with the iron core assembly, the movable contact is oppositely arranged with the stationary contact；Wherein,
It includes coil rack, electromagnetic coil, yoke, magnet steel and magnet steel holder that the magnetic, which keeps driving device,；The electricity
Around being located on the coil rack, the yoke is disposed around the coil rack side and forms peripheral frame magnetic coil；The magnet steel branch
Frame is removably installed in the yoke, and includes the accommodating chamber for placing the magnet steel thereon.
The technical program, yoke be disposed around coil rack surrounding enclose frame like structure, can be prepared with global formation, technique
Property is good.Magnet steel is detachably connected on by magnet steel holder in the peripheral frame, easy to disassemble, convenient for needing the when of adjusting magnetic force to adjust magnetic
Steel.
Specifically, the magnet steel holder includes buckling parts and receiving portion；Wherein, the buckling parts is fastened on the yoke
Fixed on side, described accommodation section is connect with the buckling parts, and described accommodation section is located at the inside of the yoke side, described
Receiving portion pieces together the accommodating chamber with yoke side adjacent thereto.
It is further preferred that iron core assembly includes：
Iron core is moved back and forth by magnetic fields in coil rack,
Contact is supported, is plastic part, is directly or indirectly installed with moving contact thereon, and,
Connecting rod, one end are anchored on the iron core and are set by the fastening in the contact is supported of plastic packaging material envelope, the other end
In the mounting hole set.
The technical program, contact support are connect with iron core by connecting rod, the contact support of connecting rod and plastic material
It is connected to the plastic packaging realization in the process for preparing contact support, simplifies technique, and is connected more firm.
Preferably, the connecting rod is " T " shape, and one " cross " is fixture block, and one is " perpendicular " for montant；The contact is supported
Close on the connecting end surface of the iron core side；The fixture block is entered by plastic packaging in the connecting end surface.
The technical program enhances the bonding strength that connecting rod is supported with contact, the company of ensure that by a fixture block structure
Reliability when extension bar is supported to move synchronously with contact.
It is fastened specifically, the connecting rod is placed in cold-heading in the mounting hole.
Preferably, it is arranged fluted on the iron core outer ring surface, the groove is adapted with the position of the mounting hole.
The technical program, groove structure ensure that cold-heading action does not interfere with the fit dimension of iron core outer ring surface, Ke Yibao
Iron core assembly is in the accuracy for carrying out sliding movement after the completion of prepared by card.
Preferably, the pin of diffraction coil is provided on the magnet steel holder, the bottom surface of the pin and the pedestal is hung down
Directly.
A kind of magnetic latching relay provided by the utility model can bring following at least one advantageous effect：
1, contact support is connect with iron core by connecting rod, wherein connecting rod and iron core by cold-heading rivet clasp, connecting rod and
The connection that the contact of plastic material is supported then is realized during preparing the plastic packaging of contact support, simple for process, saves cost.Card
Block structure can enhance the bonding strength that connecting rod is supported with contact.Groove structure ensure that cold-heading action does not interfere with outside iron core
The fit dimension of anchor ring, it is ensured that iron core assembly is in the accuracy for carrying out sliding movement after the completion of preparation.
2, yoke be disposed around coil rack surrounding enclose frame like structure, can be prepared with global formation, good manufacturability.Magnet steel
It is detachably connected in the peripheral frame by magnet steel holder, it is easy to disassemble, convenient for needing the when of adjusting magnetic force to adjust magnet steel.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to the above-mentioned of magnetic latching relay
Characteristic, technical characteristic, advantage and its realization method are further described.
Fig. 1 is the floor map of direct-push single-point reversing switch formula magnetic latching relay internal structure.
Fig. 2 is the sectional view of direct-push single-point reversing switch formula magnetic latching relay internal structure.
Fig. 3 is the sectional view of reversing switch formula reversing switch formula magnetic latching relay internal structure.
Fig. 4 is outlet terminal in Fig. 3, contact is supported and the three-dimensional cooperation figure of moving contact.
Fig. 5 is the dimensional structure diagram of moving contact.
Fig. 6-a are the dimensional structure diagrams of the iron core assembly of Fig. 1 and Fig. 2 repeat circuits.
Fig. 6-b are the dimensional structure diagrams of the iron core assembly of Fig. 3 repeat circuits.
Fig. 7-a are the sectional views of the inside composition of the iron core assembly of Fig. 1 and Fig. 2 repeat circuits.
Fig. 7-b are the inside composition sectional views of the iron core assembly of Fig. 3 repeat circuits.
Fig. 8 be yoke, magnet steel holder and magnet steel three-dimensional assembly diagram.
Fig. 9 is the dimensional structure diagram of magnet steel holder.
Figure 10 is the three-dimensional structure diagram of coil rack.
Drawing reference numeral explanation：100, pedestal, the 200, first outlet terminal, the 201, second outlet terminal, 210, input terminal,
220, stationary contact, 300, moving contact, 310, guide part, 320, over-hang part, 330, mounting portion, 330, movable contact, 400, iron core it is total
At, 410, contact support, 420, connecting rod, 421, fixture block, 430, iron core, 431, mounting hole, 432, groove, 500, yoke,
510, magnet steel holder, 511, buckling parts, 512, receiving portion, 513, dismounting hole, 520, magnet steel, 530, coil rack, 531, line
Circle, 532, pin, 600, reaction spring.
Specific implementation mode
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, in each figure only schematically show with the relevant part of the utility model, they are simultaneously
Its practical structures as product is not represented.
Embodiment one
As depicted in figs. 1 and 2, the present embodiment discloses a kind of reversing switch formula magnetic latching relay, including：Pedestal 100, end
Sub-component, direct-push magnetic keep driving device, iron core assembly 400, moving contact 300 and contact to support 410.
Pedestal 100 is a shell structure, can accommodate the internal components of relay portion in the inner, above be stamped a lid by pedestal
100 lids close.Terminal assemblies are mounted on pedestal 100, are installed with stationary contact 220 thereon, terminal assemblies are electrically connected with inlet wire and outlet
It connects.Iron core assembly 400 includes iron core 430 and contact supports 410, and contact supports that 410 connect with iron core 430, in direct-push magnetic
Under the action of keeping driving device, iron core 430 keeps the coil rack 530 of driving device to slide straightly along direct-push magnetic, directly pushes away
It is the common structure of the prior art that formula magnetic, which keeps driving device, and the mechanism of action forms magnetic field, magnetic field force by variable-current
Driving iron core 430 does straight reciprocating motion.
It is tower structure that contact, which supports 410, and straight reciprocating motion is done with it under the drive of iron core 430.Moving contact
Movable contact 330 is installed on 300, movable contact 330 is oppositely arranged with stationary contact 220, and terminal assemblies are electrically connected with moving contact 300.
Moving contact 300 is installed in contact and supports in 410, and the 410 direction upper limits slid in iron core are supported by contact.Namely contact branch
Holding 410 can drive moving contact 300 to move, while moving contact 300 supports that 410 can both keep opposing stationary with contact, also may be used
To support having certain stroke namely floating type limit on 410 in contact.Moving contact 300 can be in both cases
It supports 410 to drive by contact to slide straightly, realize the on-off action with stationary contact 220.
It is further preferred that when moving contact 300 supports 410 floating type limit by contact, it can be in moving contact 300 and iron
Reaction spring 600 is added between core assembly 400.With reference to shown in Fig. 2, when iron core assembly 400 moves up to stationary contact 220
When with 330 exactly in contact with of movable contact, yoke 500 of the iron core 430 apart from top also has a certain distance, at this time iron core assembly 400
It can also continue to move upwards, moving contact can not continue to move up.And since contact supports that 410 can be with respect to 300 displacement of moving contact, then
Iron core assembly 400 will not immediately be limited by moving contact 300 and will continue to move up compression reaction spring 600, until iron core 430 is attracted
To yoke 500.Reaction spring 600 is in confined state at this time, and bounce can act on stationary contact 220 and movable contact
So that it is closed fastening on 330 interface, increases reliability of structure.Meanwhile movable contact and stationary contact after long-term use
Contact surface the problem of also will appear surface abrasion, reaction spring 600 can also play the role of compensation, ensure iron core 430
Movable contact 330 can be closed with stationary contact 220 in stroke.
Illustratively, with reference to shown in Fig. 2, Fig. 5.Moving contact 300 includes guide part 310, over-hang part 320 and mounting portion
330, guide part 310 can support 410 to enclose inside it along contact and set the track to be formed sliding, to ensure movable contact 330 and stationary contact
Point 220 to just coordinating；Over-hang part 320 is connect with guide part 310, and is extended to and supported on 410 backwards to described dynamic tactile with contact
One side end face of point is oppositely arranged.Reaction spring 600 is between mounting portion 330 and iron core assembly 400.Further, it moves and touches
First 300 include two over-hang parts 320 and two guide parts 310, is located at the both sides of mounting portion 330, i.e. a guide part
310 and an over-hang part 320 be located at the side of mounting portion.Two over-hang parts 320 can further be connected by conducting wire.It of courses,
The quantity of over-hang part and guide part can be more, for example quantity is 4,8.
It should be noted that terminal assemblies include input terminal 210 and the first outlet terminal 200, stationary contact 220 in Fig. 1
It is arranged on outlet terminal 200, input terminal 210 is connect with the over-hang part 320 of moving contact 300 by conducting wire, iron core assembly
Moving back and forth realizes the on-off action of one group of stationary contact and movable contact.
Similar therewith, as shown in Fig. 3, Fig. 4 and Fig. 6-b, reversing switch formula magnetic latching relay includes two and sets relatively
The stationary contact 220 set is respectively installed on the first outlet terminal 200 and the second outlet terminal 201, correspondingly, contact is supported
Also backwards to setting, there are two movable contacts 330 on 410, and the outer contact that stretches out supports that 410 are oppositely arranged with stationary contact 220 respectively,
The on-off action of two groups of dynamic and static contacts may be implemented in the reciprocating motion of iron core assembly, this structure can play the work of reversing switch
With.The structure of its moving contact 300 can be according to above-mentioned design, and what need to only be adapted to supports contact 410 changes as that can house two
Reversed moving contact 300, with reference to shown in Fig. 3 and Fig. 4, over-hang part 320, which is extended to, to be supported on 410 to contact backwards to corresponding described
One side end face of movable contact is arranged corresponding thereto, and reaction spring 600 is located between two moving contacts 300.
Embodiment two
On the basis of embodiment one, with reference to shown in Fig. 6-a and Fig. 7-a, to be protected suitable for magnetic shown in Fig. 1 and Fig. 2
The iron core assembly structure of relay is held, iron core assembly 400 further includes connecting rod 420, and it is plastic part, connecting rod that contact, which supports 410,
420 one end enters contact by plastic packaging and supports that fastening, the other end of connecting rod are located in the mounting hole 431 on iron core 430 tightly in 410
Gu illustratively, connecting rod 420 is placed in cold-heading in mounting hole 431 and fastens, the connection of other rivet clasps can also be used in addition to this
Mode.Namely the moulding process of the iron core assembly 400 is：First the mounting hole of iron core 430 is placed in by one section of connecting rod 420
It in 431, is then fixed by cold-heading, plastic packaging molded contact supports 410 after the completion, and connecting rod 420 is coated on plastic part contact
410 inside are supported to complete fastening.
Illustratively, referring to Figure 5, connecting rod 420 is " T " shape, and one " cross " is fixture block 421, and one is " perpendicular " for montant；
It includes the connecting end surface for closing on 430 side of iron core that contact, which supports 410,；Fixture block 421 is entered by plastic packaging in connecting end surface.Cross a card
421 structure of block enhances the bonding strength that connecting rod 420 supports 410 with contact, ensure that connecting rod 420 supports 410 with contact
Reliability when moving synchronously.It of courses, the fixture block structure of more than one can be further included in connecting rod 420.
Preferably, it is arranged fluted 432 on 430 outer ring surface of iron core, groove 432 is adapted with the position of connecting rod 420.If
The reason of setting groove structure is that cold-heading or other riveting process all can apply mechanicals efforts to iron core outer ring surface, this can not
The meeting avoided causes the variation of iron core outer ring surface shape, and the variation of this shape in order to prevent influences the cooperation ruler of iron core outer ring surface
It is very little, the accuracy of its sliding movement is then influenced, groove 432 can opened up on the outer ring surface of 431 opposite positions of installation.Figure
Reversing switch formula magnetic latching relay of the iron core assembly structure suitable for Fig. 3 in 6-b and Fig. 7-b.
Embodiment three
On the basis of embodiment one or two, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 8, direct-push magnetic keeps driving device
Including coil rack 530, electromagnetic coil 531, yoke 500, magnet steel 520 and magnet steel holder 510.
On coil rack 530, yoke 500 is disposed around 530 surrounding of coil rack and forms peripheral frame 531 winding of electromagnetic coil；
Magnet steel holder 510 is removably installed in yoke 500, and includes the accommodating chamber for placing magnet steel 520 thereon.Yoke
500 be disposed around 530 surrounding of coil rack enclose frame like structure, can be prepared with global formation, good manufacturability.Magnet steel 520 passes through
Magnet steel holder 510 is detachably connected in the peripheral frame, easy to disassemble, convenient for adjusting magnet steel 520 when needing to adjust magnetic force.Magnet steel
The dismounting hole 513 for dismounting is additionally provided on holder 520.
Illustratively, as shown in Figure 8 and Figure 9, magnet steel holder 510 includes buckling parts 511 and receiving portion 512；Wherein, it fastens
Portion 511 is fastened on the side of yoke 500 and fixes, and receiving portion 512 is connect with buckling parts 511, and receiving portion 512 is located at yoke
The inside of 510 sides, receiving portion 512 piece together accommodating chamber with side adjacent thereto.
Referring to Fig.1 shown in 0, the pin 532 of diffraction coil 531, pin 532 and pedestal are provided on magnet steel holder 530
100 plane perpendicular.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the preferred of the present invention
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of magnetic latching relay, which is characterized in that including：Pedestal, terminal assemblies, direct-push magnetic keep driving device, iron
Core assembly and moving contact are provided with stationary contact on the terminal assemblies, and the moving contact is provided with movable contact, the direct-push
Magnetic keeps driving device to be mounted on the pedestal and drives the iron core assembly reciprocating motion, and the moving contact and the iron core are total
At linkage, the movable contact is oppositely arranged with the stationary contact；Wherein,
It includes coil rack, electromagnetic coil, yoke, magnet steel and magnet steel holder that the magnetic, which keeps driving device,；The electromagnetic wire
Around being located on the coil rack, the yoke is disposed around the coil rack side and forms peripheral frame circle；The magnet steel holder can
Dismounting is installed in the yoke, and includes the accommodating chamber for placing the magnet steel thereon.
2. magnetic latching relay according to claim 1, it is characterised in that：The magnet steel holder includes buckling parts and receiving
Portion；Wherein, the buckling parts is fastened on the side of the yoke fixed, and described accommodation section is connect with the buckling parts, and institute
The inside that receiving portion is located at the yoke side is stated, described accommodation section pieces together the receiving with yoke side adjacent thereto
Chamber.
3. magnetic latching relay according to claim 1, which is characterized in that the iron core assembly includes：Iron core, by magnetic field
It acts in the coil rack and moves back and forth,
Contact is supported, is plastic part, is directly or indirectly installed with moving contact thereon, and,
Connecting rod, by the fastening in the contact is supported of plastic packaging material envelope, the other end, which is anchored on, to be arranged on the iron core for one end
In mounting hole.
4. magnetic latching relay according to claim 3, which is characterized in that the connecting rod is " T " shape, and one " cross " is
Fixture block, one is " perpendicular " for montant；The contact supports to include the connecting end surface for closing on the iron core side；The fixture block is entered by plastic packaging
In the connecting end surface.
5. magnetic latching relay according to claim 4, which is characterized in that the connecting rod is placed in cold in the mounting hole
Upsetting fastens.
6. magnetic latching relay according to claim 5, it is characterised in that：Be arranged on the iron core outer ring surface it is fluted,
The groove is adapted with the position of the mounting hole.
7. according to any magnetic latching relays of claim 1-3, it is characterised in that：Be provided on the magnet steel holder around
The pin of ray circle, the plane perpendicular of the pin and the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025526.9U CN207781503U (en) | 2018-01-08 | 2018-01-08 | A kind of magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025526.9U CN207781503U (en) | 2018-01-08 | 2018-01-08 | A kind of magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207781503U true CN207781503U (en) | 2018-08-28 |
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ID=63223950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820025526.9U Active CN207781503U (en) | 2018-01-08 | 2018-01-08 | A kind of magnetic latching relay |
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|---|---|
| CN (1) | CN207781503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524274A (en) * | 2018-11-19 | 2019-03-26 | 中电科仪器仪表有限公司 | A kind of RF switch high reliability relay |
-
2018
- 2018-01-08 CN CN201820025526.9U patent/CN207781503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524274A (en) * | 2018-11-19 | 2019-03-26 | 中电科仪器仪表有限公司 | A kind of RF switch high reliability relay |
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