CN207441479U - Electrolytic capacitor - Google Patents
Electrolytic capacitor Download PDFInfo
- Publication number
- CN207441479U CN207441479U CN201721412411.7U CN201721412411U CN207441479U CN 207441479 U CN207441479 U CN 207441479U CN 201721412411 U CN201721412411 U CN 201721412411U CN 207441479 U CN207441479 U CN 207441479U
- Authority
- CN
- China
- Prior art keywords
- housing
- electrolytic capacitor
- guide pin
- elastic bumps
- hole
- 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 38
- 239000003292 glue Substances 0.000 claims abstract description 45
- 239000011888 foil Substances 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a kind of electrolytic capacitor, which includes housing, sub-prime and Jiao Gai, wherein, housing is cylindrical in shape setting, and axial one end has nozzle；Sub-prime is arranged in housing, and including cathode foil, anode foil and electrolytic paper, also, cathode foil and anode foil are connected to guide pin；Glue is covered on the tube port position of housing, and seal and coordinate with nozzle, the position that Jiao Gai corresponds to guide pin away from the one side of housing is provided with elastic bumps, and each elastic bumps have the through hole for axially penetrating through the elastic bumps along Jiao Gai, guide pin passes through through hole, and is interference fitted with through hole.The utility model improves the structure of electrolytic capacitor, improves the capacity and service life of electrolytic capacitor.
Description
Technical field
The utility model is related to electrolytic capacitor technical field more particularly to a kind of electrolytic capacitors.
Background technology
Electrolytic capacitor generally includes housing, sub-prime and Jiao Gai, and sub-prime is arranged in housing, and by cathode foil, anode foil and electricity
Solution paper roll is connected to guide pin around formation, cathode foil and anode foil；Glue is covered on the tube port position of housing axial direction one end, and seals
The nozzle of housing.
Wherein, glue covers the through hole passed through for guide pin, and after Jiao Gai is installed to the tube port position of housing, guide pin can pass through should
Through hole is simultaneously exposed to outside housing, and electrolytic capacitor accesses circuit by the guide pin being exposed to outside housing.For avoid guide pin and through hole it
Between the in vivo electrolyte of shell is made to go out from the gap leakage there are gap, it will usually increase the thickness of Jiao Gai, to increase Jiao Gai
The cooperation of through hole and guide pin length, so as to ensure that there is enough sealing performances between guide pin and through hole.
But the increase of glue lid thickness can increase space in the housing of Jiao Gai occupancy, the situation of space invariance in housing
Under, the volume of sub-prime then accordingly reduces, and then the capacity of electrolytic capacitor is caused to reduce, and influences the service life of electrolytic capacitor.
Utility model content
The main purpose of the utility model is that provide a kind of electrolytic capacitor, it is intended to improve the capacity of electrolytic capacitor, increase
The service life of electrolytic capacitor.
To achieve the above object, the utility model proposes a kind of electrolytic capacitor, the electrolytic capacitor includes：
Housing, is cylindrical in shape setting, and axial one end has nozzle；
Sub-prime, in the housing, including cathode foil, anode foil and electrolytic paper, the cathode foil and the anode foil
It is connected to guide pin；
Jiao Gai arranged on the tube port position of the housing, and is sealed with the nozzle and coordinated, and the Jiao Gai is away from the housing
The position that one side corresponds to the guide pin is provided with elastic bumps, and each elastic bumps have axially penetrating through along the Jiao Gai
The through hole of the elastic bumps, the guide pin passes through the through hole, and is interference fitted with the through hole.
Preferably, the electrolytic capacitor further includes clip, and the clip hoop is arranged in the peripheral outer wall of the elastic bumps.
Preferably, the peripheral outer wall of the elastic bumps is additionally provided with along the annular of the circumferentially extending of the elastic bumps and limits
Position slot, the clip hoop are arranged in the annular spacing groove.
Preferably, the clip is set in circular ring shape, and the elastic bumps are along axially vertical transversal with the through hole
Face is circular ring section, and the maximum gauge of the circular ring section gradually subtracts along the Jiao Gai away from the direction of the housing
It is small.
Preferably, the tube port position of the housing is provided with the limiting section stretched out in the nozzle, and the limiting section is located at
The Jiao Gai deviates from the one side of the housing, and the housing is faced away from the tube port position of the housing to limit the Jiao Gai
It moves in direction.
Preferably, the tube port position of the housing is provided with lug, and the lug is towards the nozzle inner bending to be formed
State limiting section.
Preferably, the Jiao Gai has circular groove towards the one side of the sub-prime, be provided in the circular groove with
The reinforcing plate of the circular groove adaptation, the hardness of the reinforcing plate are higher than the hardness of the Jiao Gai, and the reinforcing plate corresponds to institute
The position for stating guide pin is provided with the avoid holes passed through for the guide pin.
Preferably, the housing corresponds to the position of the reinforcing plate and is provided with towards deformation in the housing to form annular
Groove.
The utility model is made each by corresponding to the position setting elastic bumps of guide pin away from the one side of housing in Jiao Gai
Elastic bumps have the through hole for axially penetrating through the elastic bumps along Jiao Gai, so as to extend the length of fit of through hole and guide pin,
Make that there is higher sealing performance between guide pin and through hole, also, the one side by the way that elastic bumps to be deviated to housing arranged on Jiao Gai,
The thickness of Jiao Gai can be reduced, reduces space in the housing that Jiao Gai is occupied, in the case of constant in the inner space of housing,
Increase the length of sub-prime, and then improve the capacity of electrolytic capacitor, improve the service life of electrolytic capacitor.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the utility model element structure schematic diagram；
Fig. 2 is the sectional view of one embodiment of the utility model electrolytic capacitor, and section view has been carried out along the axial direction of electrolytic capacitor；
Fig. 3 is the structure diagram of one embodiment of the utility model glue lid.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Housing | 204 | Guide pin |
| 20 | Sub-prime | 301 | Elastic bumps |
| 30 | Jiao Gai | 302 | Through hole |
| 101 | Limiting section | 303 | Clip |
| 102 | Annular groove | 304 | Annular spacing groove |
| 201 | Cathode foil | 305 | Circular groove |
| 202 | Anode foil | 306 | Reinforcing plate |
| 203 | Electrolytic paper | 307 | Avoid holes |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the creative labor premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
The utility model proposes a kind of electrolytic capacitors.
Referring to figs. 1 to Fig. 3, which includes housing 10, sub-prime 20 and glue lid 30, and housing 10 is cylindrical in shape setting,
Axial one end has nozzle；The nozzle of sub-prime 20 from housing 10 is installed in housing 10, including cathode foil 201, anode foil
202 and electrolytic paper 203, also, cathode foil 201 and anode foil 202 are connected to guide pin 204, wherein, connect with cathode foil 201
The guide pin 204 connect is positive guide pin, and the guide pin 204 being connected with anode foil 202 is negative guide pin；Glue lid 30 is arranged on the nozzle of housing 10
Place, and cooperation is sealed with the nozzle of housing 10, the nozzle to avoid the electrolyte in housing 10 from housing 10 leaks out.
In the present embodiment, the electrolytic paper 203 of sub-prime 20 is arranged between cathode foil 201 and anode foil 202, and it is co-wound into
Cylindrical structure.Certainly, cathode foil 201, anode foil 202 and electrolytic paper 203 can also be wound into cuboid or other column structures,
Specifically can be depending on the model of electrolytic capacitor, the present embodiment is not restricted.
With reference to Fig. 2 and Fig. 3, the position that glue lid 30 corresponds to guide pin 204 away from the one side of housing 10 is provided with elastic bumps
301, each elastic bumps 301 have the through hole 302 for axially penetrating through the elastic bumps 301 along glue lid 30, pacify when by glue lid 30
When being attached at the nozzle 101 of housing 10, guide pin 204 passes through the through hole 302 of glue lid 30, and is interference fitted with through hole 302, so as to lead
Sealing is formed between pin 204 and through hole 302.
It is understood that since elastic bumps 301 are located at glue lid 30 away from the one side of housing 10, through hole is not only extended
302 length coordinated with guide pin 204 make have higher sealing performance between guide pin 204 and through hole 302, and can reduce
The thickness of glue lid 30, and then reduce the interior space for the housing 10 that glue lid 30 occupies, therefore, the constant feelings in the inner space of housing 10
Under condition, the length of sub-prime 20 can be increased, and then increase the capacity of electrolytic capacitor, improve the service life of electrolytic capacitor.
It should be noted that the cross-sectional shape of the cross-sectional shape of through hole 302 and the guide pin 204 in through hole 302
It is similar, and the cross sectional dimensions of through hole 302 is slightly less than the cross sectional dimensions of the guide pin 204 in through hole 302, so that being located at
Guide pin 204 in through hole 302 is interference fitted with through hole 302.Wherein, the cross-sectional shape of through hole 302 is according in through hole 302
Guide pin 204 cross-sectional shape depending on, such as：Can be circle, rectangle etc..
In order to further improve the sealing performance between guide pin 204 and through hole 302, as shown in figure 3, clip 303 can be used
For hoop in the peripheral outer wall of elastic bumps 301, which applies towards guide pin 204 peripheral surface of elastic bumps 301
Active force, to increase the active force between the inner circumferential wall of through hole 302 and the peripheral outer wall of guide pin 204, further improve and lead
Sealing performance between pin 204 and through hole 302.
It is limited wherein it is possible to be set in the peripheral outer wall of elastic bumps 301 along the annular of the circumferentially extending of elastic bumps 301
Position slot 304, the hoop of clip 303 is arranged in annular spacing groove 304, so that clip 303 is subject to annular stop protrusion 304 along through hole
Position-limiting action in 302 axial direction avoids electrolytic capacitor during movement or use, and clip 303 takes off from elastic bumps 301
Fall and influence the sealing performance between guide pin 204 and through hole 302.
It is of course also possible to be directly fixedly connected with clip 303 with elastic bumps 301 by modes such as cementing, welding, have
Body can be depending on the structure of clip 303 and elastic bumps 301.
In the present embodiment, clip 303 can be made to be set in circular ring shape, and make elastic bumps 301 along the axial direction with through hole 302
Vertical cross section is set in circular ring shape, so that after clip 303 is sheathed on elastic bumps 301, it can be to elastic bumps 301
Peripheral surface active force it is more uniform, to further improve the sealing performance between guide pin 204 and through hole 302.
Wherein it is possible to the maximum gauge of the circular ring section of elastic bumps 301 is made to deviate from the direction of housing 10 along glue lid 30
It is gradually reduced, so that circular ring shape clip 303 can be directly sleeved on elastic bumps 301.
It should be noted that elastic bumps 301 stretch out the vertical cross section in direction or other shapes, example along with it
Such as：Triangle, square etc., the shape of clip 303 are also accordingly configured, and details are not described herein again.
In the present embodiment, elastic bumps 301 can be wholely set with glue lid 30, can also be by the modes such as pasting, welding
It is fixedly connected with glue lid 30, the present embodiment is not restricted.
In order to avoid glue lid 30 is deviate from out of housing 10 nozzle, in the present embodiment, as shown in figure 3, can be in housing 10
Tube port position is set towards the limiting section 101 stretched out in the nozzle of housing 10, which is located at glue lid 30 and deviates from housing 10
One side is limited with facing away from the movement of 10 direction of housing in the tube port position of housing 10 to glue lid 30, so as to avoid glue lid 30
It comes off out of housing 10 nozzle.
Wherein it is possible to the tube port position in housing 10 sets lug, it, will after glue lid 30 is installed in the nozzle of housing 10
Lug towards the nozzle inner bending of housing 10 to form limiting section 101, alternatively, the cylinder of housing 10 can also be installed in glue lid 30
After in mouthful, limiting section 101 is fixedly connected with one end end that housing 10 is connected with glue lid 30 by the modes such as welding, pasting.
Certainly, lug is set in the tube port position of housing 10, and after glue lid 30 is installed in the nozzle of housing 10, by lug towards shell
When the nozzle inner bending of body 10 is to form limiting section 101, the overall processing of housing 10 is more convenient.
In addition it is also possible to directly by the nozzle of entire housing 10 towards bucket inner bending to form the limiting section 101 of circular ring shape,
It, specifically can be according to glue lid 30 and housing 10 alternatively, be directly fixedly connected with glue lid 30 with housing 10 by modes such as cementings
Depending on shape.
In the present embodiment, as shown in Figure 2 and Figure 3, circular groove can be set towards the one side of sub-prime 20 in glue lid 30
305, and matched reinforcing plate 306 is provided in the circular groove 305, the position of guide pin 204 is corresponded in reinforcing plate 306
The avoid holes 307 for being additionally provided with and being passed through for guide pin 204 are put, are interferenceed to avoid guide pin 204 with reinforcing plate 306.Wherein, reinforcing plate
306 hardness is higher than the hardness of glue lid 30, after reinforcing plate 306 is embedded into the circular groove 305 of glue lid 30, to glue lid 30
Circular groove 305 inner circumferential wall apply towards housing 10 inner circumferential wall active force, so as to increase the circumferential direction of glue lid 30
Active force between the inner circumferential wall of outer wall and housing 10 improves sealing effect of the glue lid 30 to the nozzle of housing 10.
In the present embodiment, reinforcing plate 306 can be cirque structure or circular platy structure, with specific reference to
Depending on the structure of glue lid 30, the present embodiment is not restricted.
In the present embodiment, as shown in figure 3, the position that housing 10 corresponds to reinforcing plate 306 can be made to set towards in housing 10
Deformation is to form annular groove 102, so that the inner circumferential wall of housing 10 forms the ring protruded towards the peripheral outer wall of glue lid 30
Shape shape protrusion, circular ring shape protrusion is abutted with the peripheral outer wall of glue lid 30, so as to increase the peripheral outer wall of glue lid 30 and housing 10
Inner circumferential wall between active force, improve sealing effect of the glue lid 30 to the nozzle of housing 10.
It should be noted that the utility model is based on the position for corresponding to guide pin 204 away from the one side of housing 10 in glue lid 30
Elastic bumps 301 are installed, and each elastic bumps 301 is made to have along glue lid 30 and axially penetrate through the logical of the elastic bumps 301
Hole 302 so as to extend the length that through hole 302 coordinates with guide pin 204, makes have higher sealing between guide pin 204 and through hole 302
Performance, also, since elastic bumps 301 are arranged on glue lid 30 away from the one side of housing 10, therefore, it is possible to reduce the thickness of glue lid 30
Degree reduces space in the housing 10 that glue lid 30 occupies, and in the case of constant in the inner space of housing 10, increases sub-prime 20
Length, and then increase the capacity of electrolytic capacitor, improve the service life of electrolytic capacitor.On this basis, elastic bumps 301
Structure is not limited to above-described embodiment, moreover, in order to improve there is higher sealing performance between guide pin 204 and through hole 302, it can be with
Increase the structure of similar clip 303, alternatively, the structure based on above-mentioned elastic bumps 301 slightly deforms, the utility model does not limit
System.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Conversion or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind of electrolytic capacitor, which is characterized in that the electrolytic capacitor includes：
Housing, is cylindrical in shape setting, and axial one end has nozzle；
Sub-prime, in the housing, including cathode foil, anode foil and electrolytic paper, the cathode foil and anode foil difference
It is connected with guide pin；
Jiao Gai arranged on the tube port position of the housing, and is sealed with the nozzle and coordinated, and the Jiao Gai deviates from the one side of the housing
The position of the corresponding guide pin is provided with elastic bumps, and each elastic bumps, which have along the Jiao Gai, axially penetrates through the bullet
Property protrusion through hole, the guide pin pass through the through hole, and with the through hole be interference fitted.
2. electrolytic capacitor as described in claim 1, which is characterized in that the electrolytic capacitor further includes clip, the clip hoop
In the peripheral outer wall of the elastic bumps.
3. electrolytic capacitor as claimed in claim 2, which is characterized in that the peripheral outer wall of the elastic bumps is additionally provided with along institute
The annular spacing groove of the circumferentially extending of elastic bumps is stated, the clip hoop is arranged in the annular spacing groove.
4. electrolytic capacitor as claimed in claim 2, which is characterized in that the clip is set in circular ring shape, the elastic bumps
Along and the through hole axially vertical cross section for circular ring section, and the maximum gauge of the circular ring section is along the glue
Lid is gradually reduced away from the direction of the housing.
5. such as Claims 1-4 any one of them electrolytic capacitor, which is characterized in that the tube port position of the housing is provided with
The limiting section stretched out in the nozzle, the limiting section is located at the one side that the Jiao Gai deviates from the housing, to limit the glue
The tube port position covered in the housing faces away from the direction movement of the housing.
6. electrolytic capacitor as claimed in claim 5, which is characterized in that the tube port position of the housing is provided with lug, described convex
Ear is towards the nozzle inner bending to form the limiting section.
7. electrolytic capacitor as claimed in claim 5, which is characterized in that the Jiao Gai has circle towards the one side of the sub-prime
Groove is provided with the reinforcing plate being adapted to the circular groove in the circular groove, and the hardness of the reinforcing plate is higher than described
The hardness of Jiao Gai, the position that the reinforcing plate corresponds to the guide pin are provided with the avoid holes passed through for the guide pin.
8. electrolytic capacitor as claimed in claim 7, which is characterized in that the position that the housing corresponds to the reinforcing plate is provided with
It deforms to form annular groove in towards the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412411.7U CN207441479U (en) | 2017-10-27 | 2017-10-27 | Electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412411.7U CN207441479U (en) | 2017-10-27 | 2017-10-27 | Electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441479U true CN207441479U (en) | 2018-06-01 |
Family
ID=62290415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721412411.7U Expired - Fee Related CN207441479U (en) | 2017-10-27 | 2017-10-27 | Electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741953A (en) * | 2019-02-26 | 2019-05-10 | 上海永铭电子股份有限公司 | A kind of used in aluminium electrolytic capactiance Jiao Gai |
| CN113921270A (en) * | 2021-10-10 | 2022-01-11 | 深圳康诚达电子有限公司 | Shock-resistant aluminum electrolytic capacitor |
-
2017
- 2017-10-27 CN CN201721412411.7U patent/CN207441479U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741953A (en) * | 2019-02-26 | 2019-05-10 | 上海永铭电子股份有限公司 | A kind of used in aluminium electrolytic capactiance Jiao Gai |
| CN113921270A (en) * | 2021-10-10 | 2022-01-11 | 深圳康诚达电子有限公司 | Shock-resistant aluminum electrolytic capacitor |
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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: 20180601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |