CN212209241U - Stable metallized film capacitor - Google Patents
Stable metallized film capacitor Download PDFInfo
- Publication number
- CN212209241U CN212209241U CN202020510871.9U CN202020510871U CN212209241U CN 212209241 U CN212209241 U CN 212209241U CN 202020510871 U CN202020510871 U CN 202020510871U CN 212209241 U CN212209241 U CN 212209241U
- Authority
- CN
- China
- Prior art keywords
- core
- sealing plug
- rubber sealing
- groove
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 21
- 239000011104 metalized film Substances 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 239000003292 glue Substances 0.000 claims abstract description 15
- 239000000084 colloidal system Substances 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 abstract description 4
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 239000000565 sealant Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Images
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
A stabilized metallized film capacitor including a housing; the inner wall of the shell is provided with positioning ribs distributed in an annular array mode, the inner area surrounded by the positioning ribs is a core mounting groove, a core is assembled in the core mounting groove, and the positioning ribs are used for supporting and fixing the core; a sector area between adjacent positioning ribs is a glue pouring groove, and sealing glue is poured into the glue pouring groove; a rubber sealing plug is embedded into the top of the interior of the shell and is arranged on the top of the positioning rib, the core is electrically connected with a pin, and the pin penetrates through the rubber sealing plug; the utility model discloses the core can be fixed in advance to the location rib for the core is fixed at the assigned position by the centre gripping, and when filling epoxy, the core can not receive the influence, the effectual stability of guaranteeing the core.
Description
Technical Field
The utility model belongs to the technical field of the condenser processing, in particular to stable form metallized film capacitor.
Background
The film capacitor is a capacitor with a structure that metal foil is used as an electrode, and the metal foil and plastic films such as polyethylene, polypropylene, polystyrene or polycarbonate are overlapped from two ends and then are wound into a cylinder shape;
film capacitor needs embedment epoxy in production for electric core is fixed sealed, however because the core lacks the support location structure, makes during the embedment, and the core can be strikeed by epoxy and the slope, and the pin is misaligned with the perforation on the rubber sealing plug, and it is more troublesome to lead to the pin to wear out, needs the pin of bending.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists provides stable form metallized film capacitor, and concrete technical scheme is as follows:
a stabilized metallized film capacitor including a housing; the inner wall of the shell is provided with positioning ribs distributed in an annular array mode, the inner area surrounded by the positioning ribs is a core mounting groove, a core is assembled in the core mounting groove, and the positioning ribs are used for supporting and fixing the core; a sector area between adjacent positioning ribs is a glue pouring groove, and sealing glue is poured into the glue pouring groove; the rubber sealing plug is embedded into the top of the interior of the shell and arranged at the top of the positioning rib, and the core is electrically connected with a pin which penetrates through the rubber sealing plug.
Furthermore, the bottom end of the positioning rib extends to the inner bottom surface of the shell, the positioning rib extends out of the core, and the length of the positioning rib is smaller than that of the shell.
Further, the rubber sealing plug is mounted flush with the housing, and the bottom surface of the rubber sealing plug abuts against the surface of the core.
Furthermore, the bottom surface of the rubber sealing plug is provided with an assembling groove which is spliced with the positioning rib, and the bottom surface of the rubber sealing plug extends into the core installing groove.
Furthermore, the outer wall of the top of the rubber sealing plug is provided with an upper sealing tooth, and the top of the inner wall of the shell is provided with a second sealing groove matched with the upper sealing tooth.
Furthermore, the inner wall of the assembly groove is provided with a lower sealing tooth, and the top end of the inner wall of the positioning rib is provided with a first sealing groove matched with the lower sealing tooth.
Furthermore, a positioning hole is formed in the rubber sealing plug, the pin penetrates through the positioning hole, and the sealing colloid is filled between the pin and the positioning hole.
The utility model has the advantages that:
1. the positioning ribs can fix the core in advance, so that the core is clamped and fixed at a specified position, and when epoxy resin is poured, the core is not affected, and the stability of the core is effectively ensured;
2. the positioning ribs can also be used as fixing parts of the rubber sealing plug, so that the rubber sealing plug is effectively prevented from loosening, and the sealing performance of the capacitor is improved.
Drawings
Fig. 1 shows a schematic of the structure of a stabilized metallized film capacitor of the present invention;
fig. 2 shows a schematic view of the internal structure of the housing of the present invention;
FIG. 3 is a schematic view of the connection structure of the housing and the core of the present invention;
FIG. 4 is a schematic view of the rubber gasket of the present invention;
fig. 5 shows a schematic view of the overall cross-sectional structure of the capacitor of the present invention;
FIG. 6 shows an enlarged schematic view of FIG. 5 at A;
shown in the figure: 1. the sealing structure comprises a shell, 11, a positioning rib, 111, a first sealing groove, 12, a glue pouring groove, 13, a core mounting groove, 14, a second sealing groove, 2, a core, 21, a pin, 3, a rubber sealing plug, 31, an assembling groove, 32, a positioning hole, 33, an upper sealing tooth, 34 and a lower sealing tooth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A stabilized metallized film capacitor comprising a housing 1; the inner wall of the shell 1 is provided with positioning ribs 11 distributed in an annular array manner, the inner region surrounded by the plurality of positioning ribs 11 is a core mounting groove 13, a core 2 is assembled in the core mounting groove 13, and the positioning ribs 11 are used for supporting and fixing the core 2; the positioning ribs 11 can fix the core in advance, so that the core is clamped and fixed at a specified position, and when epoxy resin is poured, the core is not affected, and the stability of the core is effectively ensured;
a sector area between adjacent positioning ribs 11 is a glue filling groove 12, and sealing glue is filled into the glue filling groove 12; the sealant is exemplified by epoxy resin, and the resin is filled in each sealant filling groove 12 to eliminate air and avoid core corrosion;
a rubber sealing plug 3 is embedded in the top of the interior of the shell 1, the rubber sealing plug 3 is arranged on the top of the positioning rib 11, the core 2 is electrically connected with a pin 21, and the pin 21 penetrates through the rubber sealing plug 3; the rubber sealing plug 3 is used for integrally sealing the shielding core from the outside to seal the shell 1.
As an improvement of the above technical solution, the bottom end of the positioning rib 11 extends to the inner bottom surface of the housing 1, the positioning rib 11 extends outward from the core 2, and the length of the positioning rib 11 is smaller than that of the housing 1; the length design of location rib 11 is longer, can support conflict core 2 by the at utmost, improves the stability of core 2.
As an improvement of the above technical solution, the rubber sealing plug 3 is mounted flush with the housing 1, and the bottom surface of the rubber sealing plug 3 abuts against the surface of the core 2; the parallel and level sets up the roughness that is used for improving the condenser top, the assembly of being convenient for.
As an improvement of the above technical solution, the bottom surface of the rubber sealing plug 3 is provided with an assembly groove 31 inserted with the positioning rib 11, and the bottom surface of the rubber sealing plug 3 extends into the core mounting groove 13; the assembly of the rubber sealing plug 3 and the positioning ribs 11 can be realized by utilizing the assembly grooves 31, so that the contact surface is increased, and the installation strength of the rubber sealing plug 3 is improved.
As an improvement of the above technical solution, the outer wall of the top of the rubber sealing plug 3 is provided with an upper sealing tooth 33, and the top of the inner wall of the housing 1 is provided with a second sealing groove 14 matched with the upper sealing tooth 33; the upper sealing teeth 33 and the second sealing groove 14 can prevent the rubber sealing plug 3 from loosening, and the connection strength of the rubber sealing plug 3 and the housing 1 is improved.
As an improvement of the above technical solution, the inner wall of the assembly groove 31 is provided with a lower seal tooth 34, and the top end of the inner wall of the positioning rib 11 is provided with a first seal groove 111 matched with the lower seal tooth 34; the lower seal tooth 34 and the first seal groove 111 can improve the connection strength between the lower seal tooth 34 and the positioning rib 11, and further prevent the rubber seal plug 3 from loosening.
As an improvement of the above technical solution, a positioning hole 32 is formed in the rubber sealing plug 3, the pin 21 penetrates through the positioning hole 32, and the sealing colloid is filled between the pin 21 and the positioning hole 32; the gap between the positioning holes 32 is filled with a sealant, which can further eliminate air.
When the capacitor is manufactured, the rolled core 2 is inserted into the core mounting groove 13 in the shell 1, so that the outer wall of the core 2 is attached to the positioning ribs 11, the positioning ribs 11 distributed in an annular shape support the core 2, the positioning ribs 11 extend out of the core 2, and the length of the extending part is the same as the height of the assembling groove 31;
pouring epoxy resin into the glue pouring groove 12 one by one, and paying attention to the fact that the height of the glue pouring is flush with the top surface of the core 2;
after the epoxy resin is filled, the rubber sealing plug 3 is plugged into the housing 1, the overhanging part of the positioning rib 11 is inserted into the assembly groove 31, meanwhile, the upper sealing strip 33 is embedded into the corresponding second sealing groove 14, and the lower sealing strip 34 is embedded into the corresponding first sealing groove 111; the pins 21 pass through the corresponding positioning holes 32;
finally, epoxy is poured into the positioning holes 32, thereby eliminating the gaps.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A stabilized metallized film capacitor, comprising: comprising a housing (1); the inner wall of the shell (1) is provided with positioning ribs (11) distributed in an annular array manner, the inner area surrounded by the plurality of positioning ribs (11) is a core mounting groove (13), a core (2) is assembled in the core mounting groove (13), and the positioning ribs (11) are used for supporting and fixing the core (2); a sector area between the adjacent positioning ribs (11) is a glue pouring groove (12), and sealing glue is poured into the glue pouring groove (12); the rubber sealing plug (3) is embedded into the top of the interior of the shell (1), the rubber sealing plug (3) is arranged at the top of the positioning rib (11), the core (2) is electrically connected with a pin (21), and the pin (21) penetrates through the rubber sealing plug (3).
2. A stabilized metallized film capacitor according to claim 1, wherein: the bottom end of the positioning rib (11) extends to the inner bottom surface of the shell (1), the positioning rib (11) extends out of the core (2), and the length of the positioning rib (11) is smaller than that of the shell (1).
3. A stabilized metallized film capacitor according to claim 1, wherein: the rubber sealing plug (3) is mounted in parallel with the shell (1), and the bottom surface of the rubber sealing plug (3) is abutted to the surface of the core (2).
4. A stabilized metallized film capacitor according to claim 2 or 3, characterized in that: the bottom surface of the rubber sealing plug (3) is provided with an assembling groove (31) which is connected with the positioning rib (11) in an inserting mode, and the bottom surface of the rubber sealing plug (3) extends into the core installing groove (13).
5. A stabilized metallized film capacitor according to claim 4, characterized in that: the outer wall of the top of the rubber sealing plug (3) is provided with an upper sealing tooth (33), and the top of the inner wall of the shell (1) is provided with a second sealing groove (14) matched with the upper sealing tooth (33).
6. A stabilized metallized film capacitor according to claim 4, characterized in that: lower seal teeth (34) are arranged on the inner wall of the assembling groove (31), and a first seal groove (111) matched with the lower seal teeth (34) is arranged at the top end of the inner wall of the positioning rib (11).
7. A stabilized metallized film capacitor according to claim 4, characterized in that: the rubber sealing plug (3) is internally provided with a positioning hole (32), the pin (21) penetrates through the positioning hole (32), and the sealing colloid is filled between the pin (21) and the positioning hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020510871.9U CN212209241U (en) | 2020-04-09 | 2020-04-09 | Stable metallized film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020510871.9U CN212209241U (en) | 2020-04-09 | 2020-04-09 | Stable metallized film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209241U true CN212209241U (en) | 2020-12-22 |
Family
ID=73830045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020510871.9U Expired - Fee Related CN212209241U (en) | 2020-04-09 | 2020-04-09 | Stable metallized film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212209241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334463A (en) * | 2021-12-10 | 2022-04-12 | 江苏荣生电子有限公司 | Electrode foil and capacitor using same |
-
2020
- 2020-04-09 CN CN202020510871.9U patent/CN212209241U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334463A (en) * | 2021-12-10 | 2022-04-12 | 江苏荣生电子有限公司 | Electrode foil and capacitor using same |
| CN114334463B (en) * | 2021-12-10 | 2022-09-13 | 江苏荣生电子有限公司 | Capacitor with improved structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |