CN219677073U - Aluminum electrolytic capacitor cover plate - Google Patents
Aluminum electrolytic capacitor cover plate Download PDFInfo
- Publication number
- CN219677073U CN219677073U CN202320978970.3U CN202320978970U CN219677073U CN 219677073 U CN219677073 U CN 219677073U CN 202320978970 U CN202320978970 U CN 202320978970U CN 219677073 U CN219677073 U CN 219677073U
- Authority
- CN
- China
- Prior art keywords
- electrolytic capacitor
- port
- end cover
- sealing plug
- cover plate
- 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.)
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Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 239000004411 aluminium Substances 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 150000001398 aluminium Chemical class 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model relates to the technical field of aluminum electrolytic capacitors, in particular to an aluminum electrolytic capacitor cover plate. Its technical scheme includes end cover, sealing plug, casing, the casing upper end is provided with the port, the port top is provided with the end cover, the end cover inner wall all is provided with intermeshing's screw thread with the port outer wall, the port lower extreme is provided with outer convex surface, the casing upper end is provided with the concave surface, the inside core that is provided with of casing, the inside anodal pin and the negative pole pin that is provided with respectively of core, the inside sealing plug that is provided with of end cover, outer convex surface inner wall is provided with sealed pad. According to the utility model, the end cover is arranged at the upper end of the electrolytic capacitor, so that the pins and the core of the electrolytic capacitor are protected, the pin is fixedly placed and is meshed and extruded by the threads, the joint is tightly jointed with the sealing plug by the extrusion of the sealing gasket, the sealing performance of the joint is good, the stability is high, and the installation is time-saving.
Description
Technical Field
The utility model relates to the technical field of aluminum electrolytic capacitors, in particular to an aluminum electrolytic capacitor cover plate.
Background
The electrolytic capacitor is one of the capacitors, the metal foil is the positive electrode, the oxide film closely attached to the metal with the positive electrode is the dielectric medium, and the cathode is composed of conductive materials, electrolyte and other materials.
Retrieve publication number CN207852491U discloses an aluminium electrolytic capacitor with pressure release function, including aluminium shell and negative pole lead wire, the upper end of aluminium shell is provided with first pressure release groove, and the inboard of aluminium shell is fixed with the strengthening rib to the downside of aluminium shell is provided with the second pressure release groove, the lower extreme of negative pole lead wire is connected with the electric capacity core, and the upper end of electric capacity core is fixed with the anodal lead wire, and the outside of negative pole lead wire and anodal lead wire is connected with sealing connection stopper, sealing connection stopper is provided with sealing connection circle with the junction of aluminium shell upper end, be provided with the blotter between electric capacity core and the aluminium shell. This aluminium electrolytic capacitor with pressure release function is provided with first pressure release groove and second pressure release groove on the aluminium shell, can effectually alleviate the work to the inside pressure that receives of this aluminium electrolytic capacitor, and then can avoid this aluminium electrolytic capacitor internal pressure too big to make this aluminium electrolytic capacitor explosion condition, improves the use value of this aluminium electrolytic capacitor.
The use of the electrolytic capacitor has obvious priority in the publication No. CN207852491U, but the upper end opening position of the electrolytic capacitor is lack of an end cover for protecting the core and the pins, and the traditional electrolytic capacitor cover plate is directly plugged into the shell through self elasticity to be fixed, so that the stability is poor, the sealing of the cover plate is reduced, the cover plate is installed for a long time, and therefore, the aluminum electrolytic capacitor cover plate is provided for solving the existing problems.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides an aluminum electrolytic capacitor cover plate.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an aluminium electrolytic capacitor apron, includes end cover, sealing plug, casing, the casing upper end is provided with the port, the port top is provided with the end cover, end cover inner wall and port outer wall all are provided with intermeshing's screw thread, the port lower extreme is provided with outer convex surface, the casing upper end is provided with the concave surface, the inside core that is provided with of casing, the inside anodal pin and the negative pole pin that is provided with respectively of core, the inside sealing plug that is provided with of end cover, outer convex surface inner wall is provided with sealed pad.
When the aluminum electrolytic capacitor cover plate in the scheme is used, the end cover is sleeved on the outer wall of the sealing plug, the positive electrode pin and the negative electrode pin are both in sliding connection with the inside of the sealing ring, the rotating end cover rotates on the outer wall of the port, the stroke port guarantees that the positive electrode pin and the negative electrode pin are prevented from being influenced by the rotation of the end cover, the sealing plug is extruded to move downwards, the sealing plug is extruded to the inner wall of the concave surface through the outer convex surface, the concave surface is outwards expanded, the outer convex surface is pulled by the concave surface force, the sealing gasket is driven to be attached to the outer wall of the sealing plug, and gaps are avoided at the joint.
Preferably, the inner diameter of the outer convex surface gradually decreases downwards. The outer protrusion guides downward movement of the sealing plug.
Preferably, the concave surface is connected with the outer convex surface, and the inner diameter of the concave surface is consistent.
Preferably, the sealing rings which are symmetrically distributed are embedded in the sealing plug, and the anode pins and the cathode pins are both in sliding connection with the inside of the sealing rings. The sealing washer is to anodal pin and negative pole pin slip cup joint, and anodal pin and negative pole pin are effective through the sealing plug, and do not receive the influence of sealing plug extrusion force.
Preferably, an explosion-proof valve is arranged inside the sealing plug. The explosion-proof valve releases high pressure inside the shell.
Preferably, a travel port is formed in the upper end of the end cover, and the upper ends of the positive electrode pin and the negative electrode pin are both located in the travel port. The stroke port guarantees the stability of the positive electrode pin and the negative electrode pin.
Preferably, the outer wall of the upper end of the sealing plug is funnel-shaped, and when the funnel-shaped outer diameter is larger than the inner diameter sealing plug of the concave surface and enters the outer convex surface, the inner part of the sealing plug is gradually extruded, so that the resistance during extrusion is reduced.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the upper end of the electrolytic capacitor is provided with the end cover for protecting the pins and the cores, the end cover is clamped with the shell of the electrolytic capacitor through the placement of rotary extrusion, the cutting degree of the extrusion sealing gasket at the clamping position is improved, the opposite opening position is further reinforced through screw engagement and fixation, and the end cover is screwed and installed, so that the time consumption for installation is reduced.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
fig. 3 is a schematic top view of the present utility model.
Reference numerals: 1. an end cap; 2. a sealing plug; 3. a port; 4. a concave surface; 5. a housing; 6. an outer convex surface; 7. a negative electrode pin; 8. an explosion-proof valve; 9. a positive electrode pin; 10. a travel port; 11. a sealing ring, 12 and a core; 13. and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-3, the cover plate of the aluminum electrolytic capacitor provided by the utility model comprises an end cover 1, a sealing plug 2 and a shell 5, wherein a port 3 is arranged at the upper end of the shell 5, the end cover 1 is arranged above the port 3, mutually meshed threads are arranged on the inner wall of the end cover 1 and the outer wall of the port 3, an outer convex surface 6 is arranged at the lower end of the port 3, the inner diameter of the outer convex surface 6 gradually reduces downwards, a concave surface 4 is arranged at the upper end of the shell 5, the concave surface 4 is connected with the outer convex surface 6, the inner diameter of the concave surface 4 is consistent, a core 12 is arranged in the shell 5, an anode pin 9 and a cathode pin 7 are respectively arranged in the core 12, the sealing plug 2 is arranged in the end cover 1, symmetrically distributed sealing rings 11 are embedded in the sealing plug 2, the anode pin 9 and the cathode pin 7 are slidingly inserted in the sealing rings 11, an explosion-proof valve 8 is arranged in the sealing plug 2, a sealing gasket 13 is arranged on the inner wall of the outer wall of the upper end of the sealing plug 2, and the inner diameter of the concave surface 4 is larger than the inner diameter of the concave surface 4.
The procedure is based on example 1: the positive pin 9 and the negative pin 7 are both in sliding connection inside the sealing ring 11, the rotating end cover 1 rotates on the outer wall of the port 3, the sealing plug 2 is extruded to move downwards, the sealing is extruded on the inner wall of the concave surface 4 through the outer convex surface 6, the concave surface 4 is outwards expanded, the outer convex surface 6 is pulled by the force of the concave surface 4, the sealing gasket 13 is driven to be attached to the outer wall of the sealing plug 2, the sealing effect of the joint is improved, meanwhile, the screw thread clamping connection is increased, the screw thread clamping connection is fixed, the fixing effect is improved, and the rotating pressurizing fixing end cover 1 is convenient and time-saving.
Example two
As shown in fig. 1-3, compared with the first embodiment, the present embodiment further includes: the upper end of the end cover 1 is internally provided with a travel port 10, and the upper ends of the positive electrode pin 9 and the negative electrode pin 7 are both positioned in the travel port 10.
In this embodiment, when the end cover 1 rotates, the stroke port 10 ensures the stability of the negative electrode pin 7 and the positive electrode pin 9, ensures the effective rotation of the end cover 1, and extrudes the sealing plug 2.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an aluminium electrolytic capacitor apron, includes end cover (1), sealing plug (2), casing (5) upper end is provided with port (3), its characterized in that: the utility model discloses a port, port (3) top is provided with end cover (1), end cover (1) inner wall and port (3) outer wall all are provided with intermeshing's screw thread, port (3) lower extreme is provided with outer convex surface (6), casing (5) upper end is provided with concave surface (4), casing (5) inside is provided with core (12), core (12) inside is provided with anodal pin (9) and negative pole pin (7) respectively, end cover (1) inside is provided with sealing plug (2), outer convex surface (6) inner wall is provided with sealing gasket (13).
2. An aluminum electrolytic capacitor cover plate as recited in claim 1, wherein: the inner diameter of the outer convex surface (6) gradually decreases downwards.
3. An aluminum electrolytic capacitor cover plate as recited in claim 1, wherein: the concave surface (4) is connected with the outer convex surface (6), and the inner diameter of the concave surface (4) is consistent.
4. An aluminum electrolytic capacitor cover plate as recited in claim 1, wherein: sealing plug (2) inside embedding installs symmetric distribution's sealing washer (11), anodal pin (9) and negative pole pin (7) are all pegged graft in sealing washer (11) inside in the slip.
5. An aluminum electrolytic capacitor cover plate as recited in claim 1, wherein: an explosion-proof valve (8) is arranged in the sealing plug (2).
6. An aluminum electrolytic capacitor cover plate as recited in claim 1, wherein: the upper end of the end cover (1) is internally provided with a travel port (10), and the upper ends of the positive electrode pin (9) and the negative electrode pin (7) are both positioned in the travel port (10).
7. An aluminum electrolytic capacitor cover plate as recited in claim 1, wherein: the outer wall of the upper end of the sealing plug (2) is funnel-shaped, and the funnel-shaped outer diameter is larger than the inner diameter of the concave surface (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320978970.3U CN219677073U (en) | 2023-04-26 | 2023-04-26 | Aluminum electrolytic capacitor cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320978970.3U CN219677073U (en) | 2023-04-26 | 2023-04-26 | Aluminum electrolytic capacitor cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219677073U true CN219677073U (en) | 2023-09-12 |
Family
ID=87897042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320978970.3U Active CN219677073U (en) | 2023-04-26 | 2023-04-26 | Aluminum electrolytic capacitor cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219677073U (en) |
-
2023
- 2023-04-26 CN CN202320978970.3U patent/CN219677073U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 18 Xuefu Road, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province, 413002 Patentee after: Yiyang Rongxin Electronics Co.,Ltd. Address before: No. 18, Xuefu Road, Longling Industrial Park, Heshan District, Yueyang City, Hunan Province, 413002 Patentee before: Yiyang Rongxin Electronics Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |