CN109830402B - Sealing structure of sealing type high-voltage direct-current relay - Google Patents
Sealing structure of sealing type high-voltage direct-current relay Download PDFInfo
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- CN109830402B CN109830402B CN201910111493.9A CN201910111493A CN109830402B CN 109830402 B CN109830402 B CN 109830402B CN 201910111493 A CN201910111493 A CN 201910111493A CN 109830402 B CN109830402 B CN 109830402B
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- shell
- upper shell
- main board
- lower shell
- board body
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- 238000007789 sealing Methods 0.000 title claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 32
- 239000003292 glue Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Casings For Electric Apparatus (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a sealing structure of a sealed high-voltage direct current relay, which comprises an upper shell and a lower shell, wherein the upper shell comprises a plate-shaped main plate body, and the lower shell is a shell body with an upward opening; the upper end of the lower shell is provided with an annular step, and the peripheral edge of the main board body of the upper shell is adapted to the annular step of the lower shell; an annular gap is arranged on the peripheral edge of the main board body of the upper shell, and a dispensing groove is formed by surrounding the annular gap and the side wall of the annular step of the lower shell; the bottom surface of the periphery of the main board body of the upper shell is also provided with an annular boss downwards so as to be propped against the annular step of the lower shell by utilizing the annular boss of the bottom surface of the periphery of the main board body of the upper shell, thereby increasing the contact area between the side surface of the periphery of the main board body of the upper shell and the side wall on the annular step of the lower shell. The invention can not only improve the connection strength between the upper shell and the lower shell, but also improve the strength of the upper shell and reduce the deformation; meanwhile, the loss of glue can be avoided.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a sealing structure of a sealed high-voltage direct-current relay.
Background
A relay is an electronically controlled device having a control system (also known as an input loop) and a controlled system (also known as an output loop), commonly used in automatic control circuits, which in effect is an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays roles of automatic regulation, safety protection, circuit switching and the like. The direct current relay is one of relays, and most of the existing direct current relays adopt a direct-acting type (also called a solenoid direct-acting type) scheme of a movable reed, wherein a contact part of the direct current relay comprises two fixed contacts and a movable component, the movable component comprises a movable reed part and a push rod component, the movable reed part is composed of the movable reed and movable contacts arranged at two ends of the movable reed, and the movable reed is usually of a straight type. In order to realize sealing, the sealing structure of the sealed high-voltage direct current relay is realized by dispensing plastic packaging of an upper shell and a lower shell, a step is generally formed on the inner side of the upper end of the lower shell, the upper shell covers the lower shell by taking the step surface as a stop surface, the bottom surface of the edge of the upper shell is a plane, the plane is lapped on the step surface of the upper end of the lower shell, a notch is formed on the edge of the upper shell, a dispensing groove is formed by the notch and the side wall of the step of the lower shell, and plastic packaging fixation is realized by dispensing on the dispensing groove. (1) the connection strength between the upper and lower housings is poor; (2) When dispensing, the glue easily flows into the relay, so that the glue is lacked; (3) the edge of the upper shell is not enough in strength and easy to deform.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a sealing structure of a sealed high-voltage direct current relay, which can improve the connection strength between an upper shell and a lower shell and can improve the strength of the upper shell and reduce deformation through structural improvement; meanwhile, the loss of glue can be avoided.
The technical scheme adopted for solving the technical problems is as follows: the sealing structure of the sealed high-voltage direct-current relay comprises an upper shell and a lower shell, wherein the upper shell comprises a plate-shaped main plate body, and the lower shell is a shell body with an upward opening; an annular step is arranged on the inner side of the upper end of the lower shell, and the peripheral edge of the main board body of the upper shell is matched with the annular step of the lower shell; an annular notch is arranged on the peripheral edge of the main board body of the upper shell, a dispensing groove is formed by the annular notch and the side wall on the annular step of the lower shell, and plastic package fixation of the relay is realized by dispensing on the dispensing groove; the bottom surface of the periphery of the main board body of the upper shell is also provided with an annular boss downwards so as to be propped against the annular step of the lower shell by utilizing the annular boss of the bottom surface of the periphery of the main board body of the upper shell, thereby increasing the contact area between the side surface of the periphery of the main board body of the upper shell and the side wall on the annular step of the lower shell.
The main plate body of the upper shell is approximately circular, and the lower shell is a cylindrical shell body.
The side of the peripheral edge of the main board body of the upper shell is also provided with a notch for positioning and preventing errors, and the side wall of the annular step of the lower shell is provided with a convex rib matched with the notch of the main board body of the upper shell.
Compared with the prior art, the invention has the beneficial effects that:
The invention adopts the structure that the annular boss is downwards arranged on the bottom surface of the peripheral edge of the main board body of the upper shell so as to be propped against the annular step of the lower shell by utilizing the annular boss of the bottom surface of the peripheral edge of the main board body of the upper shell, thereby increasing the contact area between the side surface of the peripheral edge of the main board body of the upper shell and the side wall on the annular step of the lower shell. According to the structure, the circle of boss is added to the bottom surface of the peripheral edge of the main board body of the upper shell, so that the matching section of the side surface of the peripheral edge of the main board body of the upper shell and the side wall of the annular step of the lower shell is increased, glue at a part after glue dispensing flows into a gap between the side surface of the peripheral edge of the main board body and the side wall of the annular step of the lower shell, so that the connection strength of the upper shell and the lower shell is increased.
The invention is described in further detail below with reference to the drawings and examples; the sealing structure of the sealed high-voltage direct-current relay is not limited to the embodiment.
Drawings
FIG. 1 is a top plan view of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 2;
FIG. 4 is a structural top view of the upper housing of the present invention;
Fig. 5 is a sectional view taken along line C-C of fig. 4.
Detailed Description
Examples
Referring to fig. 1 to 5, a sealing structure of a sealed high voltage dc relay of the present invention includes an upper case 1 and a lower case 2, wherein the upper case 1 includes a plate-shaped main plate body 11, and the lower case 2 is a case-shaped body with an opening facing upward; an annular step 21 is arranged on the inner side of the upper end of the lower shell 2, and the peripheral edge 12 of the main board body 11 of the upper shell 1 is matched with the annular step 21 of the lower shell; an annular gap 13 is arranged on the peripheral edge 12 of the main board body 11 of the upper shell 1, a dispensing groove 20 is formed by the annular gap 13 and a side wall 22 on an annular step 21 of the lower shell, and plastic package fixation of the relay is realized by dispensing on the dispensing groove 20; the bottom surface of the peripheral edge 12 of the main board body 11 of the upper casing 1 is further provided with an annular boss 3 downwards so as to be abutted against the annular step 21 of the lower casing 2 by using the annular boss 3 of the bottom surface of the peripheral edge 12 of the main board body 11 of the upper casing 1, thereby increasing the contact area between the side surface of the peripheral edge 12 of the main board body 11 of the upper casing 1 and the side wall 22 on the annular step 21 of the lower casing 2.
In this embodiment, the main plate 11 of the upper housing 1 has a substantially circular shape, and the lower housing 2 has a cylindrical shell.
In this embodiment, the side surface of the peripheral edge 12 of the main board body 11 of the upper shell 1 is further provided with a notch 14 for positioning error proofing, and the side wall 22 on the annular step 21 of the lower shell 2 is provided with a convex rib 23 for matching with the notch 14 of the main board body 11 of the upper shell 1. The upper shell 1 is provided with two notches 14 for positioning error proofing, and the notches 14 are matched with the convex ribs 23 of the lower shell 2 to play a role in positioning error proofing. Since the three mounting feet of the lower housing 2 are mounted with directivity, the relay body is rotatable 360 ° with respect to the lower housing, but is fixed dead with respect to the upper housing, and thus is positioned by the upper and lower housings, thereby positioning the relative positions of the relay parts. The peripheral edge of this embodiment refers to a solid portion of the edge of the entire periphery of the main board body, including the upper edge, the side edge, and the lower edge.
The invention discloses a sealing structure of a sealed high-voltage direct-current relay, which adopts the structure that an annular boss 3 is downwards arranged on the bottom surface of the peripheral edge 12 of a main board body 11 of an upper shell 1, so that the annular boss 3 on the bottom surface of the peripheral edge 12 of the main board body 11 of the upper shell 1 is abutted against an annular step 21 of a lower shell 2, and the contact area between the side surface of the peripheral edge 12 of the main board body 11 of the upper shell 1 and a side wall 22 on the annular step 21 of the lower shell 2 is increased. According to the structure, the circle of boss 3 is added to the bottom surface of the peripheral edge 12 of the main board body 11 of the upper shell 1, so that the matching section of the side surface of the peripheral edge 12 of the main board body 11 of the upper shell 1 and the side wall 22 on the annular step 21 of the lower shell 2 is increased, a part of glue after glue dispensing flows into a gap between the side surface of the peripheral edge 12 of the main board body 11 of the upper shell 1 and the side wall 22 on the annular step 21 of the lower shell 2, so that the connection strength of the upper shell 1 and the lower shell 2 is increased, and in addition, the thickness of the peripheral edge 12 of the main board body 11 of the upper shell 1 is increased, which is equivalent to the thickness increase of the part, so that the strength of the main board body 11 of the upper shell 1 is improved, the deformation is reduced, and meanwhile, the loss of glue is avoided.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (3)
1. The sealing structure of the sealed high-voltage direct-current relay comprises an upper shell and a lower shell, wherein the upper shell comprises a plate-shaped main plate body, and the lower shell is a shell body with an upward opening; an annular step is arranged on the inner side of the upper end of the lower shell, and the peripheral edge of the main board body of the upper shell is matched with the annular step of the lower shell; an annular notch is arranged on the peripheral edge of the main board body of the upper shell, a dispensing groove is formed by the annular notch and the side wall on the annular step of the lower shell, and plastic package fixation of the relay is realized by dispensing on the dispensing groove; the method is characterized in that: the bottom surface of the peripheral edge of the main board body of the upper shell is also provided with an annular boss downwards so as to be propped against the annular step of the lower shell by utilizing the annular boss of the bottom surface of the peripheral edge of the main board body of the upper shell, thereby increasing the contact area between the side surface of the peripheral edge of the main board body of the upper shell and the side wall on the annular step of the lower shell; and the glue of a part after glue dispensing flows into a gap between the side surface of the peripheral edge of the main board body and the side wall on the annular step of the lower shell, so that the connection strength of the upper shell and the lower shell is increased.
2. The sealing structure of the sealed high-voltage direct-current relay according to claim 1, wherein: the main plate body of the upper shell is approximately circular, and the lower shell is a cylindrical shell body.
3. The sealing structure of the sealed high-voltage direct-current relay according to claim 1, wherein: the side of the peripheral edge of the main board body of the upper shell is also provided with a notch for positioning and preventing errors, and the side wall of the annular step of the lower shell is provided with a convex rib matched with the notch of the main board body of the upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111493.9A CN109830402B (en) | 2019-02-12 | 2019-02-12 | Sealing structure of sealing type high-voltage direct-current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111493.9A CN109830402B (en) | 2019-02-12 | 2019-02-12 | Sealing structure of sealing type high-voltage direct-current relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109830402A CN109830402A (en) | 2019-05-31 |
| CN109830402B true CN109830402B (en) | 2024-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910111493.9A Active CN109830402B (en) | 2019-02-12 | 2019-02-12 | Sealing structure of sealing type high-voltage direct-current relay |
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| CN (1) | CN109830402B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921335A (en) * | 2021-10-09 | 2022-01-11 | 安徽中骄智能科技有限公司 | Sealing structure and sealing method for plastic sealing new energy high-voltage direct-current relay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011035856A (en) * | 2009-08-06 | 2011-02-17 | Panasonic Corp | Waterproof portable terminal apparatus |
| CN207282483U (en) * | 2017-09-29 | 2018-04-27 | 成都腾诺科技有限公司 | A kind of chip assembling structure |
| CN209374349U (en) * | 2019-02-12 | 2019-09-10 | 厦门宏发电力电器有限公司 | The sealing structure of sealed high voltage direct current relay |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200324736Y1 (en) * | 2003-05-19 | 2003-08-27 | 현대엔지니어링 주식회사 | Manhole cover having sealing and locking means |
| KR20050078941A (en) * | 2004-02-03 | 2005-08-08 | (주) 시흥 | A waterproof manhole |
| JP3149090U (en) * | 2008-12-25 | 2009-03-12 | 岡谷電機産業株式会社 | Case for electronic parts |
| CN202059701U (en) * | 2011-05-17 | 2011-11-30 | 泰德兴精密电子（昆山）有限公司 | Structure for welding upper shell and lower shell applied in electronic product |
| CN102623243A (en) * | 2012-04-11 | 2012-08-01 | 中国电子科技集团公司第四十研究所 | Double-lead anti-interference temperature relay |
| JP6136259B2 (en) * | 2012-12-28 | 2017-05-31 | 岩崎電気株式会社 | Case seal structure and ring-shaped seal member |
| CN105120023B (en) * | 2015-08-31 | 2016-08-17 | 广东欧珀移动通信有限公司 | Shell assembly and mobile terminal |
| CN205196177U (en) * | 2015-11-17 | 2016-04-27 | 杭州禾声科技有限公司 | A waterproof construction and electronic equipment for electronic equipment |
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2019
- 2019-02-12 CN CN201910111493.9A patent/CN109830402B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011035856A (en) * | 2009-08-06 | 2011-02-17 | Panasonic Corp | Waterproof portable terminal apparatus |
| CN207282483U (en) * | 2017-09-29 | 2018-04-27 | 成都腾诺科技有限公司 | A kind of chip assembling structure |
| CN209374349U (en) * | 2019-02-12 | 2019-09-10 | 厦门宏发电力电器有限公司 | The sealing structure of sealed high voltage direct current relay |
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| CN109830402A (en) | 2019-05-31 |
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