CN209216900U - A kind of magnetic latching relay improving structure with magnetic shielding cover - Google Patents
A kind of magnetic latching relay improving structure with magnetic shielding cover Download PDFInfo
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- CN209216900U CN209216900U CN201920092734.5U CN201920092734U CN209216900U CN 209216900 U CN209216900 U CN 209216900U CN 201920092734 U CN201920092734 U CN 201920092734U CN 209216900 U CN209216900 U CN 209216900U
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- shielding cover
- magnetic
- magnetic shielding
- latching relay
- plastic shell
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Abstract
The utility model relates to magnetic latching relay technical fields, it discloses a kind of magnetic latching relays that structure is improved with magnetic shielding cover, plastic shell including relay, it is arranged in inside the plastic shell and extends to a pair of conductive piece outside the plastic shell, the signal wire terminals for being arranged on the plastic shell and being connected with magnetic latching relay Inside coil, magnetic shielding cover of the housing on the plastic shell, the magnetic shielding cover by the pair of conductive sheet and by the signal wire terminals while be respectively provided with opening, and it is located at the notch that retraction is respectively arranged with close to the position of the pair of conductive sheet and the signal wire terminals on the open edge, to be respectively formed high pressure resistant anti-breakdown safe distance.The utility model makes magnetic latching relay while having the ability and high pressure resistant anti-breakdown ability that external magnetic field influences of resisting.
Description
Technical field
The utility model relates to magnetic latching relay technical fields, and in particular to a kind of to improve structure with magnetic shielding cover
Magnetic latching relay.
Background technique
Magnetic latching relay is a kind of bistable relay for keeping contact that state is opened or closed by itself permanent magnetic,
The magnetic path being made of iron-core coil, yoke, permanent magnet etc. is contained inside it, by the electric current side for controlling iron-core coil
To the conversion for making the generation pole polarity on yoke, and the disconnection of contact is realized by the magnetic action power of permanent magnet or is closed
It closes.Current divider (conductive sheet) is also connected on the shell of typical magnetic latching relay and for connecting voltage input signal line
Connector.
But common integral type magnetic latching relay in the prior art, internal magnetic circuit system are usually the knot of open type
Structure, external shell are plastic construction, and the magnetic latching relay of this structure does not have antimagnetic function.When magnetic latching relay is answered
When for existing in (such as in the intelligent electric meter in power industry) interference environment of extraneous high-intensity magnetic field, inside magnetic latching relay
Magnetic circuit system be easy interference by extraneous alternating magnetic field, and then the contacts status of relay may be made to change, thus
The failure for causing relay misoperation to make or be failure to actuate occurs.
In order to reduce the interference of extraneous high-intensity magnetic field, need to consider that metal screen is arranged on the plastic shell of magnetic latching relay
Cover cover.But relay metallic shield in the prior art has the following problems: magnetic latching relay housing metallic shield
Afterwards, the distance at connector position of the metallic shield apart from conductive sheet, voltage input signal line is shorter, causes it to prevent high pressure resistant anti-
The performance of breakdown declines, and thus will lead to some potential safety problems.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of magnetic for improving structure with magnetic shielding cover to keep relay
Device, it is intended to so that magnetic latching relay has the ability and high pressure resistant anti-breakdown ability that external magnetic field influences of resisting simultaneously.
Specific technical solution is as follows:
A kind of magnetic latching relay improving structure with magnetic shielding cover, plastic shell, setting including relay are in institute
A pair of conductive piece outside the plastic shell is stated inside plastic shell and extended to, is arranged on the plastic shell and and magnetic
Magnetic shielding cover of the signal wire terminals, housing that guard relay Inside coil is connected on the plastic shell, the magnetic
Shielding case by the pair of conductive sheet and by the signal wire terminals while be respectively provided with opening, and in institute
It is located on the open edge stated and is respectively arranged with retraction close to the position of the pair of conductive sheet and the signal wire terminals
Notch, to be respectively formed between the edge of the notch and the pair of conductive sheet, the edge of the notch and the signal
There is high pressure resistant anti-breakdown safe distance between line terminals.
In above-mentioned technical proposal, by the way that magnetic shielding cover is arranged, and in the open edge local location setting of magnetic shielding cover
The notch of retraction, one side are conducive to magnetic shielding cover and obtain good Magnetic Shielding Effectiveness, and magnetic latching relay is supported
Anti- external magnetic field influences, and on the other hand can improve the high pressure resistant anti-breakdown ability of magnetic latching relay again, is conducive to eliminate peace
Full hidden danger.
As a preferred embodiment of the present invention, a pair of conductive piece and the signal wire terminals are placed in modeling
Expect the front and rear sides of shell, the opening respectively include being located at before the magnetic shielding cover it is preceding it is open, be located at the magnetic screen
It covers subsequent rear open.
In order to facilitate the installation of, it is provided with and passes through close to the left side of plastic shell or right side position on the magnetic shielding cover
Lead to the opening of described preceding open and rear opening.
The opening that preceding open and rear opening is penetrated through by being arranged on magnetic shielding cover, so that magnetic shielding cover obtains certain bullet
Property, be conducive to that magnetic shielding cover housing on the plastic shell of relay and is more conveniently formed good cooperation in assembly.
Preferably, in the left side for being located proximate to plastic shell, right side of the magnetic latching relay Inside coil
One of side, the another one side in the left side for being located proximate to plastic shell of the opening, right side.
The position being open by optimal setting, so that being open far from magnetic latching relay Inside coil, thus to greatest extent
Ensure that magnetic latching relay resist external magnetic field influence ability.
As the improvement project of the utility model, it is provided with positioning convex platform on the medial surface of the magnetic shielding cover, described
Position corresponding with the positioning convex platform is provided with location dimples, the positioning convex platform and the location dimples phase on plastic shell
Adaptation.
By the way that positioning convex platform and location dimples is respectively set on magnetic shielding cover and plastic shell, it can be ensured that magnetic shielding cover
It is accurately positioned after assembly, and prevents the displacement of magnetic shielding cover.
Preferably, the positioning convex platform is punching press boss, and the location dimples are punching press pit.
Above-mentioned positioning convex platform is formed with the location dimples using impact style, has advantage easily manufactured, at low cost.
Edge on the magnetic shielding cover medial surface and positioned at the notch as a further improvement of the utility model,
Position is provided with the face for facilitating the retraction of the magnetic shielding cover disassembly.
By the face of the edge position setting retraction on the medial surface of magnetic shielding cover and close to notch, it is convenient to use and opens
Son or screwdriver dismantle magnetic shielding cover, which thereby enhance the convenience of magnetic latching relay maintenance.
Preferably, the surface of the magnetic shielding cover is provided with one layer of sprayed plastic coat.
One layer of sprayed plastic coat is arranged in the surface of above-mentioned magnetic shielding cover, is conducive to improve safety.
The beneficial effects of the utility model are:
First, a kind of magnetic latching relay improving structure with magnetic shielding cover of the utility model, by the way that magnetic cup is arranged
Cover is covered, and the notch of the open edge local location setting retraction in magnetic shielding cover, one side are conducive to magnetic shielding cover and obtain
Good Magnetic Shielding Effectiveness is obtained, magnetic latching relay is enabled to resist external magnetic field influence, on the other hand can improve magnetic guarantor again
The high pressure resistant anti-breakdown ability for holding relay, is conducive to eliminate safe hidden trouble.
Second, a kind of magnetic latching relay improving structure with magnetic shielding cover of the utility model, by magnetic screen
Setting penetrates through the opening of preceding open and rear opening on cover so that magnetic shielding cover obtains certain elasticity, be conducive to when assembling compared with
Magnetic shielding cover housing on the plastic shell of relay and is easily formed into good cooperation.
A kind of third, magnetic latching relay improving structure with magnetic shielding cover of the utility model, passes through optimal setting
The position of opening, so that being open far from magnetic latching relay Inside coil, to ensure that magnetic latching relay to greatest extent
Resist external magnetic field influence ability.
4th, a kind of magnetic latching relay improving structure with magnetic shielding cover of the utility model, by magnetic screen
Positioning convex platform and location dimples is respectively set on cover and plastic shell, it can be ensured that it is accurately positioned after magnetic shielding cover assembly,
And prevent the displacement of magnetic shielding cover.
5th, a kind of magnetic latching relay improving structure with magnetic shielding cover of the utility model, by magnetic screen
Positioning convex platform and location dimples is respectively set on cover and plastic shell, it can be ensured that it is accurately positioned after magnetic shielding cover assembly,
And prevent the displacement of magnetic shielding cover.
6th, a kind of magnetic latching relay improving structure with magnetic shielding cover of the utility model, positioning convex platform and institute
It states location dimples to be formed using impact style, there is advantage easily manufactured, at low cost.
7th, a kind of magnetic latching relay improving structure with magnetic shielding cover of the utility model, by magnetic screen
The face of edge position setting retraction on the medial surface of cover and close to notch, is convenient to use opener or screwdriver to magnetic shielding cover
It is dismantled, which thereby enhances the convenience of magnetic latching relay maintenance.
8th, a kind of magnetic latching relay improving structure with magnetic shielding cover of the utility model, the table of magnetic shielding cover
One layer of sprayed plastic coat is arranged in face, is conducive to improve safety.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional structure signal of magnetic latching relay that structure is improved with magnetic shielding cover of the utility model
Figure；
Fig. 2 is the three dimensional structure diagram of the magnetic shielding cover in Fig. 1；
Fig. 3 is the three dimensional structure diagram after the magnetic shielding cover rotation angle in Fig. 2；
Fig. 4 is that the magnetic latching relay in Fig. 1 removes the three dimensional structure diagram after magnetic shielding cover.
In figure: 1, plastic shell, 2, conductive sheet, 3, signal wire terminals, 4, magnetic shielding cover, 5, notch, 6, preceding opening, 7,
It is open afterwards, 8, opening, 9, positioning convex platform, 10, location dimples, 11, the face being retracted.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
It is as shown in Figures 1 to 4 a kind of reality of magnetic latching relay that structure is improved with magnetic shielding cover of the utility model
Example is applied, plastic shell 1 including relay is arranged in 1 inside of plastic shell and extends to outside the plastic shell 1
The signal wire terminals being connected on the plastic shell 1 and with magnetic latching relay Inside coil are arranged in a pair of conductive piece 2
3, magnetic shielding cover 4 of the housing on the plastic shell 1, the magnetic shielding cover 4 by the pair of conductive sheet 2 one side and
It is respectively provided with opening 6,7 on one side by the signal wire terminals 3, and is located on the open edge close to described one
It is respectively arranged with the notch 5 of retraction, to the position of conductive sheet 2 and the signal wire terminals 3 to be respectively formed the notch 5
Have between edge and the pair of conductive sheet 2, between the edge of the notch 5 and the signal wire terminals 3 high pressure resistant anti-
The safe distance of breakdown.
In above-mentioned technical proposal, by the way that magnetic shielding cover 4 is arranged, and in the edge local location of the opening of magnetic shielding cover 46,7
The notch 5 of retraction is set, and one side is conducive to magnetic shielding cover 4 and obtains good Magnetic Shielding Effectiveness, so that magnetic latching relay
External magnetic field influence can be resisted, the high pressure resistant anti-breakdown ability of magnetic latching relay on the other hand can be improved again, be conducive to
It eliminates safe hidden trouble.
As a preferred embodiment of the present invention, a pair of conductive piece 2 is placed in the signal wire terminals 3
The front and rear sides of plastic shell 1, described open 6,7 respectively include being located at preceding open the 6 of 4 front of magnetic shielding cover, are located at institute
State the subsequent rear opening 7 of magnetic shielding cover 4.
In order to facilitate the installation of, it is provided on the magnetic shielding cover 4 close to the left side of plastic shell 1 or right side position
Penetrate through the opening 8 of the preceding opening 6 and rear opening 7.
By the way that the opening 8 of perforation preceding opening 6 and rear opening 7 is arranged on magnetic shielding cover 4, so that the acquisition of magnetic shielding cover 4 one
Fixed elasticity is conducive in assembly more conveniently on the plastic shell 1 of relay and to form 4 housing of magnetic shielding cover good
Cooperation.
Preferably, in the left side for being located proximate to plastic shell 1, right side of the magnetic latching relay Inside coil
One of side, the left side for being located proximate to plastic shell 1, the another one side in right side of the opening 8.
By the position of optimal setting opening 8, so that being open 8 far from magnetic latching relay Inside coil, thus maximum limit
The ability resisting external magnetic field and influencing that ensure that magnetic latching relay of degree.
As the improvement project of the utility model, it is provided with positioning convex platform 9 on the medial surface of the magnetic shielding cover 4, in institute
State position corresponding with the positioning convex platform 9 on plastic shell 1 and be provided with location dimples 10, the positioning convex platform 9 with it is described fixed
Position pit 10 is adapted.
By the way that positioning convex platform 9 and location dimples 10 is respectively set on magnetic shielding cover 4 and plastic shell 1, it can be ensured that magnetic
Shielding case 4 is accurately positioned after assembling, and prevents the displacement of magnetic shielding cover 4.
Preferably, the positioning convex platform 9 is punching press boss, and the location dimples 10 are punching press pit.
Above-mentioned positioning convex platform 9 and the location dimples 10 are formed using impact style, with easily manufactured, at low cost excellent
Gesture.
Side on 4 medial surface of magnetic shielding cover and positioned at the notch 5 as a further improvement of the utility model,
The face 11 for the retraction for facilitating the magnetic shielding cover 4 to dismantle is provided with along position.
By the face 11 of the edge position setting retraction on the medial surface of magnetic shielding cover 4 and close to notch 5, facilitating makes
Magnetic shielding cover 4 is dismantled with opener or screwdriver, which thereby enhances the convenience of magnetic latching relay maintenance.
Preferably, the surface of the magnetic shielding cover 4 is provided with one layer of sprayed plastic coat.
One layer of sprayed plastic coat is arranged in the surface of above-mentioned magnetic shielding cover 4, is conducive to improve safety.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (8)
1. a kind of magnetic latching relay for improving structure with magnetic shielding cover, which is characterized in that plastic shell including relay,
It is arranged in inside the plastic shell and extends to a pair of conductive piece outside the plastic shell, is arranged in the plastic shell
Magnetic screen of the signal wire terminals, housing being connected above and with magnetic latching relay Inside coil on the plastic shell
Cover, the magnetic shielding cover by the pair of conductive sheet and by the signal wire terminals while be respectively provided with it is spacious
Mouthful, and be located on the open edge and set respectively close to the position of the pair of conductive sheet and the signal wire terminals
Be equipped with the notch of retraction, to be respectively formed between the edge of the notch and the pair of conductive sheet, the edge of the notch with
There is high pressure resistant anti-breakdown safe distance between the signal wire terminals.
2. a kind of magnetic latching relay for improving structure with magnetic shielding cover according to claim 1, which is characterized in that institute
A pair of conductive piece for stating and the signal wire terminals are placed in the front and rear sides of plastic shell, and the opening respectively includes position
It is preceding open, subsequent rear open positioned at the magnetic shielding cover before the magnetic shielding cover.
3. a kind of magnetic latching relay for improving structure with magnetic shielding cover according to claim 2, which is characterized in that
The left side of plastic shell or right side position are provided with the described preceding open and rear opening of perforation on the magnetic shielding cover
Opening.
4. a kind of magnetic latching relay for improving structure with magnetic shielding cover according to claim 3, which is characterized in that institute
The left side for being located proximate to plastic shell of magnetic latching relay Inside coil, one of side in right side are stated, it is described
The left side for being located proximate to plastic shell of opening, the another one side in right side.
5. a kind of magnetic latching relay for improving structure with magnetic shielding cover according to claim 3, which is characterized in that institute
It states and is provided with positioning convex platform on the medial surface of magnetic shielding cover, position corresponding with the positioning convex platform is set on the plastic shell
Location dimples are equipped with, the positioning convex platform is adapted with the location dimples.
6. a kind of magnetic latching relay for improving structure with magnetic shielding cover according to claim 5, which is characterized in that institute
Stating positioning convex platform is punching press boss, and the location dimples are punching press pit.
7. a kind of magnetic latching relay for improving structure with magnetic shielding cover according to claim 3, which is characterized in that
It is provided on the magnetic shielding cover medial surface and positioned at the edge position of the notch retraction for facilitating the magnetic shielding cover disassembly
Face.
8. a kind of magnetic latching relay for improving structure with magnetic shielding cover according to claim 1, which is characterized in that institute
The surface for stating magnetic shielding cover is provided with one layer of sprayed plastic coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092734.5U CN209216900U (en) | 2019-01-21 | 2019-01-21 | A kind of magnetic latching relay improving structure with magnetic shielding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092734.5U CN209216900U (en) | 2019-01-21 | 2019-01-21 | A kind of magnetic latching relay improving structure with magnetic shielding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209216900U true CN209216900U (en) | 2019-08-06 |
Family
ID=67467441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920092734.5U Active CN209216900U (en) | 2019-01-21 | 2019-01-21 | A kind of magnetic latching relay improving structure with magnetic shielding cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209216900U (en) |
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2019
- 2019-01-21 CN CN201920092734.5U patent/CN209216900U/en active Active
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