CN208315472U - A kind of relay of shock resistance electric current - Google Patents
A kind of relay of shock resistance electric current Download PDFInfo
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- CN208315472U CN208315472U CN201820743541.7U CN201820743541U CN208315472U CN 208315472 U CN208315472 U CN 208315472U CN 201820743541 U CN201820743541 U CN 201820743541U CN 208315472 U CN208315472 U CN 208315472U
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- pedestal
- armature
- spring plate
- pushing mechanism
- terminal
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Abstract
The utility model relates to relay fields, refer in particular to a kind of relay of shock resistance electric current, including pedestal, contact assembly, transmission component and electromagnetic coil assembly；The contact assembly includes the second spring plate, the first spring plate and fixing terminal for being successively fixedly installed on one end of pedestal, and first spring plate is set between the fixing terminal and the second spring plate；The electromagnetic coil assembly includes coil and the U-shaped yoke for being arranged in the coil, and the coil and U-shaped yoke are all set in the other end of the pedestal；The transmission component includes the pushing mechanism and armature for pushing the first spring plate, and the pushing mechanism and pedestal are slidably connected and are located at the top of pedestal, and one end of the pushing mechanism is resisted against first spring plate.The contact assembly of the application is isolated with electromagnetic coil assembly via pedestal, and dash current can be resisted, and protective relay improves reliability, eliminates safe hidden trouble.
Description
Technical field
The utility model relates to relay technical fields, refer in particular to a kind of relay of shock resistance electric current.
Background technique
Relay is a kind of electronic control device, is usually applied in automatic control circuit, it is actually with lesser
Electric current removes a kind of switch of control larger current.Therefore the effects of playing automatic adjustment, safeguard protection, conversion circuit in circuit.
Traditional electromagnetic relay is that spring plate and armature rivet, and spring plate is equipped with public terminal, and public terminal is set to
One end of pedestal, external circuit terminal are set to the other end of pedestal, and electromagnetic coil assembly be set to external circuit terminal with it is public
Between terminal, when high current is connected with public terminal in external circuit terminal, in the formation dash current in a flash of conducting, it is easy to burn
Bad electromagnetic coil assembly causes relay to be scrapped, and reduces reliability, and there are security risks；In addition to this, general relay
Only one spring plate, normal-closed end and normally open end are non-deformable, and it is too small to be easy to appear contact force when spring plate is with normally opened end in contact
The case where leading to poor contact, reliability are low.
Summary of the invention
The purpose of this utility model is that a kind of relay of shock resistance electric current is provided in view of the deficiencies of the prior art, it can
Dash current is resisted, contact performance is good, improves reliability, eliminates safe hidden trouble.
To achieve the goals above, the utility model adopts the following technical solution: including pedestal, contact assembly, transmission group
Part and electromagnetic coil assembly；The contact assembly includes the second spring plate for being successively fixedly installed on one end of pedestal, first dynamic
Elastic slice and fixing terminal, first spring plate are set between the fixing terminal and the second spring plate；The electromagnetic coil
Component includes coil and the U-shaped yoke for being arranged in the coil, and the coil and U-shaped yoke are all set in the another of the pedestal
End；The transmission component includes the pushing mechanism and armature for pushing the first spring plate, and the pushing mechanism and pedestal slide
Connection and the top for being located at pedestal, one end of the pushing mechanism are resisted against first spring plate, the pushing mechanism it is another
The top of one end and the armature is clamped, and the armature is movably set in pedestal, the U-shaped yoke for adsorb the armature with
So that armature opposite base is mobile, the armature drives the first spring plate to be connected the second spring plate via pushing mechanism, described the
One spring plate squeezes the second spring plate deformation.
Further, the electromagnetic coil assembly further includes bobbin, and the coil is wound in the bobbin, the line
Coil is located in the pedestal, and the bobbin is equipped with armature cushion block, and the armature cushion block is from bobbin far from contact assembly
One end extends towards the direction far from the contact assembly and towards the direction of the bottom surface close to bobbin, the bottom surface of the armature
It is contradicted with the armature cushion block.
Further, the transmission component further includes limiting position of armature component, and the middle part of the limiting position of armature component is equipped with limit
Position foot, the both ends of the limiting position of armature component are connected in the bobbin, and the lower end of the armature is limited in the position-limit foot.
Further, the U-shaped yoke is set there are two iron prop, and two iron props are arranged in parallel, close to pushing mechanism one
The iron prop of side extends upward actuation portion, and the actuation portion is right against the armature, described far from pushing mechanism side
Iron prop is arranged in the bobbin, and the iron prop close to pushing mechanism side is equipped with spacing block set.
Further, the upper end of the pedestal is equipped with loading plate portion, and the pushing mechanism and the loading plate portion are sliding
Dynamic connection and the top for being located at loading plate portion, the loading plate portion extend upward block flange, and the block flange is used
The pushing mechanism described in block, the loading plate portion are additionally provided with limit hole, and the limit hole engages with the spacing block set.
Further, the contact assembly further includes and the first terminal of the first spring plate riveting and the second spring plate riveting
The Second terminal connect, the Second terminal, first terminal, fixing terminal are successively fixedly installed on one end of pedestal.
Further, the pedestal is equipped with accommodating cavity, and the bobbin is located in the accommodating cavity, the middle part of the pedestal
Equipped with the first isolation board and the second isolation board, first isolation board is described for the fixing terminal and first terminal to be isolated
Second isolation board is for being isolated the first terminal and Second terminal.
It further, further include shell, the upper shell is equipped with ventilative through hole, and the pedestal is installed in the shell.
Further, the bottom of the pedestal is equipped with reinforcement block.
The utility model has the beneficial effects that the contact assembly of the application is isolated with electromagnetic coil assembly via pedestal, it can
Dash current is resisted, protective relay, contact performance is good, improves reliability, eliminates safe hidden trouble.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the configuration schematic diagram of the utility model；
Fig. 3 is the main view of the pedestal of the utility model；
Fig. 4 is the cross-sectional view in Fig. 3 along the direction A-A；
Fig. 5 is the structural schematic diagram of the bobbin of the utility model；
Fig. 6 is the main view of the bobbin of the utility model；
Fig. 7 is the cross-sectional view in Fig. 6 along the direction B-B；
Fig. 8 is structural representation after the hiding shell of the utility model, pedestal, the first spring plate, first terminal and fixing terminal
Figure.
Appended drawing reference
1- pedestal；11- loading plate portion；12- block flange；13- limit hole；14- accommodating cavity；The first isolation board of 15-；
The second isolation board of 16-；17 reinforcement blocks；The first spring plate of 21-；The first movable contact of 211-；212- bending part；The second spring plate of 22-；
The second movable contact of 221-；23- fixing terminal；231- stationary contact；24- first terminal；25- Second terminal；3- pushing mechanism；31-
It is oriented to convex；4- armature；41- groove；5-U type yoke；51- iron prop；52- actuation portion；53- spacing block set；61- bobbin；611-
Armature cushion block；612-U type yoke through-hole；62- coil；63- limiting position of armature component；631- position-limit foot；64- coil terminals；Outside 7-
Shell；71- ventilative through hole.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.The utility model is carried out below in conjunction with attached drawing
Detailed description.
Please refer to a kind of relay of shock resistance electric current shown in Fig. 1 to Fig. 8, including pedestal 1, contact assembly, transmission component
And electromagnetic coil assembly；The contact assembly include successively be fixedly installed on one end of pedestal the second spring plate 21, first it is dynamic
Elastic slice 22 and fixing terminal 23, first spring plate 21 are set between the fixing terminal 23 and the second spring plate 22；Institute
Stating electromagnetic coil assembly includes coil 62 and the U-shaped yoke 5 for being arranged in the coil 62, and the coil 62 and U-shaped yoke 5 are all provided with
It is placed in the other end of the pedestal 1；The transmission component includes the pushing mechanism 3 and armature 4 for pushing the first spring plate 21,
The pushing mechanism 3 is slidably connected and is located at the top of pedestal 1 with pedestal 1, and one end of the pushing mechanism 3 is resisted against described the
The top of one spring plate 21, the other end of the pushing mechanism 3 and the armature 4 is clamped, and the armature 4 is movably set in pedestal
1, the U-shaped yoke 5 is for adsorbing the armature 4 so that 4 opposite base 1 of armature is mobile, and the armature 4 is via pushing mechanism
The second spring plate 21 is connected in 3 the first spring plates 21 of driving, and first spring plate (21) squeezes second spring plate (22) and becomes
Shape.
The contact assembly further includes the first movable contact 211, the second movable contact 221 and stationary contact 231, the described first dynamic touching
Point 211 is fixedly installed on the upper end of first spring plate 21, and second movable contact 221 is fixedly installed on described second and moves
The upper end of piece 22, the stationary contact 231 are fixedly installed on the upper end of the fixing terminal 23；The pushing mechanism 3 is equipped with guiding
Convex 31, first spring plate 21 is equipped with the bending part 212 matched with the guiding convex 31, when U-shaped yoke 5 adsorbs armature 4,
So that 4 opposite base 1 of armature is mobile, mobile armature 4 drives 3 opposite base 1 of pushing mechanism to slide, and pushing mechanism 3 is sliding
The second movable contact 221 of the second spring plate 22 is connected in the first movable contact 211 that the first spring plate 21 can be driven when dynamic.
In practical application, when coil 62 does not have electric current, the first spring plate 21, armature 4 and pushing mechanism 3 are remained stationary,
First movable contact 211 is contacted with stationary contact 231, and the first spring plate 21 is connected with fixing terminal 23 at this time, and fixing terminal 23 is normal
Closed end；Coil 62 is passed through electric current, and the U-shaped yoke 5 generates magnetic field, and U-shaped yoke 5 adsorbs the armature 4, mobile armature 4 into
One step pushes the pushing mechanism 3 being clamped with the top of armature 4, and the pushing mechanism 3 moved horizontally is with action-oriented convex 31 toward identical
Direction moves horizontally, and is then oriented to convex 31 bending parts 212 for being resisted against the first spring plate 21, further, the described first dynamic touching
Point 211 contacts after separating with stationary contact 231 with the second movable contact 221, and the first spring plate 21 and the second spring plate 22 are connected at this time,
Second spring plate 22 is normally open end.
First spring plate 21, the second spring plate 22 and fixing terminal 23 are fixedly installed on one end of the pedestal 1,
The coil 62 and U-shaped yoke 5 are all set in the other end of the pedestal 1, the first spring plate 21 and fixing terminal 23 or the second
When spring plate 22 is connected, dash current will not influence electromagnetic coil assembly.
First spring plate 21 and second spring plate 22 can deform, first spring plate 21 and described the
When two spring plates 22 contact, first spring plate 21 squeezes second spring plate 22 and deforms, and greatly improves contact force, mentions
High contact performance.
The contact assembly of the application is isolated with electromagnetic coil assembly via pedestal 1, and dash current can be resisted, and protects relay
Device improves reliability, eliminates safe hidden trouble.
It please refers to shown in Fig. 5 to Fig. 7, in the present embodiment, the electromagnetic coil assembly further includes bobbin 61, the coil
62 are wound in the bobbin 61, and the bobbin 61 is located in the pedestal 1, and the bobbin 61 is equipped with armature cushion block 611,
The one end of the armature cushion block 611 from bobbin 61 far from contact assembly is towards the direction far from the contact assembly and towards by near line
The direction of the bottom surface of coil 61 extends, and the bottom surface of the armature 4 and the armature cushion block 611 contradict.Electromagnetic coil assembly
It further include two coil terminals 64, the coil 62 is entwined by a copper wire, the both ends of this copper wire and two lines
It encloses terminal 64 to connect, after two coil terminals 64 are connected, coil 62 generates magnetic field.The bobbin 61 is equipped with described for wearing
The U-shaped yoke through-hole 612 of U-shaped yoke 5, the U-shaped yoke through-hole 612 are the U-shaped yoke through-hole 612 of square, can prevent the U
Type yoke 5 rotates with bobbin 61, improves stability.The top card of the other end of the pushing mechanism 3 and the armature 4
It connects, the cross section of the armature cushion block 611 is triangle, and the bottom surface of the armature 4 and armature cushion block 611 contradict, armature cushion block
611 sides contradicted with armature 4 are inclined-plane, and when the armature 4 is not attracted with U-shaped yoke 5, armature 4 is formed with vertical direction
When one acute angle, armature 4 and U-shaped yoke 5 are attracted, armature 4 is parallel with vertical direction.When armature 4 and U-shaped yoke 5 are not attracted,
The armature cushion block 611 can make armature 4 keep tiltedly vertical, and the acute angle that armature 4 is formed with vertical direction remains unchanged, and improves armature
4 stability.
It please refers to shown in Fig. 2, Fig. 8, in the present embodiment, the transmission component further includes limiting position of armature component 63, the rank
The middle part of iron limiting component 63 is equipped with position-limit foot 631, and the both ends of the limiting position of armature component 63 are connected in the bobbin 61,
The lower end of the armature 4 is limited in the position-limit foot 631.The lower end of the armature 4 is equipped with a groove 41, the position-limit foot
631 protrude into the groove 41, and the limiting position of armature component 63 is realized the designated position that armature 4 is limited to bobbin 61, mentioned
The stability that height limits.
It please refers to shown in Fig. 1, Fig. 2, in the present embodiment, the U-shaped yoke 5 is set there are two iron prop 51, two iron props
51 are arranged in parallel, and two iron props 51 are arranged along the vertical direction, and the iron prop 51 close to 3 side of pushing mechanism upwardly extends
Actuation portion 52 out, the actuation portion 52 are right against the armature 4, and the iron prop 51 far from 3 side of pushing mechanism is arranged in institute
Bobbin 61 is stated, the iron prop 51 close to 3 side of pushing mechanism is equipped with spacing block set 53.By increasing the actuation portion 52
Highly, increase the actuation portion 52 and the area in the actuation face of the armature 4, improve and be attracted effect.The spacing block set 53
For limiting the pushing mechanism 3.
It please refers to shown in Fig. 2, Fig. 4, in the present embodiment, the upper end of the pedestal 1 is equipped with loading plate portion 11, the promotion
Component 3 and the loading plate portion 11 are slidably connected and are located at the top in loading plate portion 11, and the loading plate portion 11 is upwards
Extending block flange 12, the block flange 12 is excessively mobile to prevent thrust dynamic component 3 for pushing mechanism 3 described in block,
The loading plate portion 11 is additionally provided with limit hole 13, and the limit hole 13 engages with the spacing block set 53.The loading plate
Portion 11 for carrying the pushing mechanism 3, when pushing mechanism 3 move horizontally apart from it is excessive when, be easy to cause that damage first by pressure dynamic
Elastic slice 21 and the second spring plate 22, the block flange 12 adjust the pushing mechanism 3 for pushing mechanism 3 described in block
Move horizontally distance, protect the first spring plate 21 and the second spring plate 22.The limit hole 13 blocks with the spacing block set 53
It closes, is cooperated by the way that the spacing block set 53 is arranged with limit hole 13, the U-shaped yoke 5 can be made to install stronger, prevented because of institute
It states the frequent shock of armature 4 and loosens or shifts, influence the performance of relay.
It please refers to shown in Fig. 1, Fig. 2, in the present embodiment, the contact assembly further includes the with the riveting of the first spring plate 21
One terminal 24, the Second terminal 25 with the riveting of the second spring plate 22, the Second terminal 22, first terminal 21, fixing terminal 23
Successively it is fixedly installed on one end of pedestal 1.The first terminal 24, Second terminal 25 and fixing terminal 23 are drawn there are two being all provided with
Foot can be used for controlling multiple circuits simultaneously, realize the effect more with a control.
It please refers to shown in Fig. 3, Fig. 4, in the present embodiment, the pedestal 1 is equipped with accommodating cavity 14, and the bobbin 61 is located in
The accommodating cavity 14, the middle part of the pedestal 1 are equipped with the first isolation board 15 and the second isolation board 16, and first isolation board 15 is used
In the fixing terminal 23 and first terminal 24 is isolated, second isolation board 16 is for being isolated the first terminal 24 and second
Terminal 25.The accommodating cavity 14 prevents dash current from burning out electromagnetic coil group for electromagnetic coil assembly and contact assembly to be isolated
Part improves the reliability of relay.First isolation board 15 and the second isolation board 16 can be made of plastics, and described first
When terminal 24 and fixing terminal 23 be connecteds via the first spring plate 21, first isolation board 15 is used to preventing electric current from not passing through the
One spring plate 21, directly breakdown first terminal 24 and Second terminal 25, cause relay out of hand.It is similar with above-mentioned principle,
Second isolation board 16 is for protecting first terminal 24 and Second terminal 25 not to be punctured by electric current.
It please referring to shown in Fig. 1, Fig. 2, further includes shell 7 in the present embodiment, 7 upper end of shell is equipped with ventilative through hole 71,
The pedestal 1 is installed in the shell 7.After the shell 7 is encapsulated with pedestal 1, in relay in use, after inner body is conductive
It can generate heat, the air inside relay is caused to expand, the part and shell 7 being easily damaged inside relay, the ventilative through hole
71 for being discharged the expanded air inside relay, and protective relay improves reliability.
It please refers to shown in Fig. 3, Fig. 4, in the present embodiment, the bottom of the pedestal 1 is equipped with reinforcement block 17.In first terminal
24, during Second terminal 25 and fixing terminal 23 are pressed into pedestal 1, pedestal 1 is easy to cause to be subject to crushing, the reinforcement block 17 is used
Anti-pressure ability in the bottom for reinforcing pedestal 1, prevents the pedestal 1 from deforming.
The above is only the utility model preferred embodiment, is not made in any form to the utility model
Limitation, although the utility model is disclosed as above with preferred embodiment, is not intended to limit the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, makes when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, but it is all without departing from the content of the technical scheme of the utility model, foundation
The utility model technology refers to any simple modification, equivalent change and modification to the above embodiments, belongs to practical
In the range of new technique scheme.
Claims (9)
1. a kind of relay of shock resistance electric current, it is characterised in that: including pedestal (1), contact assembly, transmission component and electromagnetic wire
Coil assembly；The contact assembly includes the second spring plate (22), the first spring plate for being successively fixedly installed on one end of pedestal
(21) and fixing terminal (23), first spring plate (21) be set to the fixing terminal (23) and the second spring plate (22) it
Between；The electromagnetic coil assembly includes coil (62) and the U-shaped yoke (5) for being arranged in the coil (62), the coil (62)
The other end of the pedestal (1) is all set in U-shaped yoke (5)；The transmission component includes for pushing the first spring plate
(21) pushing mechanism (3) and armature (4), the pushing mechanism (3) are slidably connected with pedestal (1) and are located at the upper of pedestal (1)
Side, one end of the pushing mechanism (3) is resisted against first spring plate (21), the other end of the pushing mechanism (3) and institute
The top clamping of armature (4) is stated, the armature (4) is movably set in pedestal (1), and the U-shaped yoke (5) is for adsorbing the rank
For iron (4) so that armature (4) opposite base (1) is mobile, the armature (4) drives the first spring plate via pushing mechanism (3)
(21) the second spring plate (22) are connected, first spring plate (21) squeezes the second spring plate (22) deformation.
2. a kind of relay of shock resistance electric current according to claim 1, it is characterised in that: the electromagnetic coil assembly is also
Including bobbin (61), the coil (62) is wound in the bobbin (61), and the bobbin (61) is located in the pedestal
(1), the bobbin (61) is equipped with armature cushion block (611), and the armature cushion block (611) is from bobbin (61) far from contact assembly
One end extend towards the direction far from the contact assembly and towards the direction of bottom surface close to bobbin (61), the armature
(4) bottom surface and the armature cushion block (611) contradicts.
3. a kind of relay of shock resistance electric current according to claim 2, it is characterised in that: the transmission component further includes
The middle part of limiting position of armature component (63), the limiting position of armature component (63) is equipped with position-limit foot (631), the limiting position of armature component
(63) both ends are connected in the bobbin (61), and the lower end of the armature (4) is limited in the position-limit foot (631).
4. a kind of relay of shock resistance electric current according to claim 2, it is characterised in that: the U-shaped yoke (5) is equipped with
Two iron props (51), two iron props (51) are arranged in parallel, and the iron prop (51) close to pushing mechanism (3) side prolongs upwards
It stretches out actuation portion (52), the actuation portion (52) is right against the armature (4), the iron prop far from pushing mechanism (3) side
(51) bobbin (61) are arranged in, the iron prop (51) close to pushing mechanism (3) side is equipped with spacing block set (53).
5. a kind of relay of shock resistance electric current according to claim 4, it is characterised in that: the upper end of the pedestal (1)
Equipped with loading plate portion (11), the pushing mechanism (3) and the loading plate portion (11) are slidably connected and are located at loading plate
The top in portion (11), the loading plate portion (11) extend upward block flange (12), and the block flange (12) is for keeping off
The only pushing mechanism (3), the loading plate portion (11) are additionally provided with limit hole (13), the limit hole (13) and the limit
Convex block (53) engaging.
6. a kind of relay of shock resistance electric current according to claim 2, it is characterised in that: the contact assembly further includes
First terminal (24) with the first spring plate (21) riveting, the Second terminal (25) with the second spring plate (22) riveting, described the
Two-terminal (25), first terminal (24), fixing terminal (23) are successively fixedly installed on one end of pedestal (1).
7. a kind of relay of shock resistance electric current according to claim 6, it is characterised in that: the pedestal (1), which is equipped with, holds
It sets chamber (14), the bobbin (61) is located in the accommodating cavity (14), and the middle part of the pedestal (1) is equipped with the first isolation board
(15) and the second isolation board (16), first isolation board (15) are used to that the fixing terminal (23) and first terminal to be isolated
(24), second isolation board (16) is for being isolated the first terminal (24) and Second terminal (25).
8. a kind of relay of shock resistance electric current according to claim 1, it is characterised in that: it further include shell (7), it is described
Shell (7) upper end is equipped with ventilative through hole (71), and the pedestal (1) is installed in the shell (7).
9. a kind of relay of shock resistance electric current according to claim 1, it is characterised in that: the bottom of the pedestal (1)
Equipped with reinforcement block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743541.7U CN208315472U (en) | 2018-05-17 | 2018-05-17 | A kind of relay of shock resistance electric current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743541.7U CN208315472U (en) | 2018-05-17 | 2018-05-17 | A kind of relay of shock resistance electric current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208315472U true CN208315472U (en) | 2019-01-01 |
Family
ID=64711695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820743541.7U Active CN208315472U (en) | 2018-05-17 | 2018-05-17 | A kind of relay of shock resistance electric current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208315472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556268A (en) * | 2019-09-19 | 2019-12-10 | 深圳高登新能源技术有限公司 | Push type relay |
| CN113963993A (en) * | 2020-07-21 | 2022-01-21 | 海信（山东）冰箱有限公司 | Mute electromagnetic relay and refrigerator |
-
2018
- 2018-05-17 CN CN201820743541.7U patent/CN208315472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556268A (en) * | 2019-09-19 | 2019-12-10 | 深圳高登新能源技术有限公司 | Push type relay |
| CN113963993A (en) * | 2020-07-21 | 2022-01-21 | 海信（山东）冰箱有限公司 | Mute electromagnetic relay and refrigerator |
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