CN211929314U

CN211929314U - Aluminum electrolytic capacitor capable of effectively preventing vibration

Info

Publication number: CN211929314U
Application number: CN202020659261.5U
Authority: CN
Inventors: 王耀华
Original assignee: Jiangsu Jinfuji Electronic Co ltd
Current assignee: Jiangsu Jinfuji Electronic Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-11-13
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses an aluminum electrolytic capacitor that can effectively antivibration, including the antivibration shell, the inside cover of antivibration shell is equipped with the aluminum hull, the inside of aluminum hull is provided with the core package, be provided with antivibration mechanism between antivibration shell and the aluminum hull, antivibration mechanism comprises the answer spring, a plurality of piston barrels of inner wall fixedly connected with of antivibration shell, the equal slip interlude of one end of a plurality of piston barrels is connected with the piston rod, the outer wall cover of piston barrel and piston rod is equipped with pre-compaction spring, the one end fixedly connected with snubber block of piston rod, one side of snubber block and the one end fixed connection of answer spring, the other end of answer spring and the outer wall fixed connection of aluminum hull, the inner. The utility model discloses a setting of antivibration shell and antivibration mechanism has realized carrying out the purpose of offsetting to the vibration or the extrusion force that the condenser received to improve the stability of core package, and then improved the stability of condenser work, prolonged the life of condenser.

Description

Aluminum electrolytic capacitor capable of effectively preventing vibration

Technical Field

The utility model relates to the technical field of electrolytic capacitors, in particular to an aluminum electrolytic capacitor capable of effectively preventing vibration.

Background

The aluminium electrolytic capacitor is made up by using aluminium cylinder as cathode, in which a liquid electrolyte is held, and inserting a bent aluminium strip as anode, and is a general electrolytic capacitor made up by using aluminium material and having good electric property, wide application range and high reliability, and can be extensively used for matching household appliances of air conditioner, radio recorder, washing machine and communication machine, etc. and electronic complete machine, instrument and meter.

The aluminum electrolytic capacitor needs to improve the anti-vibration capability in places with higher requirements on the anti-vibration performance of the capacitor, such as the periphery of an automobile engine, a high-power inverter, a frequency converter, an electric welding machine and the like, and a common capacitor does not have a good anti-vibration device, so that the capacitor generates larger vibration during working, thereby damaging a core bag, influencing the working of the capacitor and prolonging the service life of the capacitor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aluminium electrolytic capacitor that can effective antivibration to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aluminum electrolytic capacitor that can effectively antivibration, includes the antivibration shell, the inside cover of antivibration shell is equipped with the aluminum hull, the inside of aluminum hull is provided with the core package, be provided with antivibration mechanism between antivibration shell and the aluminum hull, antivibration mechanism comprises the answer spring, a plurality of piston barrels of the inner wall fixedly connected with of antivibration shell, it is a plurality of the one end of piston barrel slides and alternates and is connected with the piston rod, the outer wall cover of piston barrel and piston rod is equipped with pre-compaction spring, the one end fixedly connected with snubber block of piston rod, one side and the one end fixed connection who answers the spring of snubber block, the other end of answer spring and the outer wall fixed connection of aluminum hull, the inner wall bottom fixedly connected with spring steel sheet of antivibration shell, the.

Preferably, one end of the pre-pressing spring is fixedly connected with the inner wall of the anti-vibration shell, and the other end of the pre-pressing spring is fixedly connected with the other side of the damping block.

Preferably, the core package is formed by winding an anode foil, a piece of isolation paper and a cathode foil, the top of the anode foil is riveted with an anode guide pin, and the top of the cathode foil is riveted with a cathode guide pin.

Preferably, the outer layer of the core bag is wound with a plurality of circles of electrolytic paper, the outermost layer of the core bag is wound with a plurality of circles of adhesive tape, and the inner wall of the adhesive tape is wound and connected with the outer wall of the outermost layer of electrolytic paper.

Preferably, the top of aluminum hull is provided with the apron of sealing, the bottom fixedly connected with lantern ring of the apron of sealing, the inner wall fixedly connected with protection pad of the lantern ring, the diameter of lantern ring slightly is greater than the diameter of core package, the lantern ring forms interference fit with the core package.

Preferably, one end of the anode guide pin and one end of the cathode guide pin sequentially penetrate through the sealing cover plate, the aluminum shell and the vibration-proof shell to extend to the outside.

The utility model discloses a technological effect and advantage:

(1) the utility model realizes the purpose of offsetting the vibration or extrusion force received by the capacitor through the arrangement of the anti-vibration shell and the anti-vibration mechanism, thereby improving the stability of the core cladding, further improving the working stability of the capacitor and prolonging the service life of the capacitor;

(2) the utility model discloses a setting of the lantern ring has realized carrying out certain spacing effect to the core package, has further improved the stability of core package.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic front sectional view of the present invention.

Fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

Fig. 4 is a schematic diagram of the core package structure of the present invention.

In the figure: 1. a vibration-proof housing; 2. an aluminum shell; 3. pre-pressing a spring; 4. a piston cylinder; 5. a piston rod; 501. a damper block; 6. a return spring; 7. a spring steel sheet; 8. a core package; 801. an anode foil; 802. release paper; 803. a cathode foil; 9. an anode guide pin; 10. a cathode guide pin; 11. an adhesive tape; 12. sealing the cover plate; 13. a collar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an aluminum electrolytic capacitor which can effectively prevent vibration as shown in figures 1-4, comprising a vibration-proof shell 1, wherein the vibration-proof shell 1 is internally sheathed with an aluminum shell 2, the aluminum shell 2 is internally provided with a core cladding 8, a vibration-proof mechanism is arranged between the vibration-proof shell 1 and the aluminum shell 2, the vibration-proof mechanism consists of a return spring 6, the inner wall of the vibration-proof shell 1 is fixedly connected with a plurality of piston cylinders 4, one ends of the piston cylinders 4 are all slidably and alternately connected with a piston rod 5, the outer walls of the piston cylinders 4 and the piston rod 5 are sheathed with a pre-pressing spring 3, the piston cylinders 4 and the piston rod 5 are sheathed inside the pre-pressing spring 3, so that the pre-pressing spring 3 can not bend and deform towards two sides, one end of the piston rod 5 is fixedly connected with a damping block 501, one side of the damping block 501 is fixedly connected with one, the bottom of the inner wall of the anti-vibration shell 1 is fixedly connected with a spring steel sheet 7, the top of the spring steel sheet 7 is in contact with the bottom of the aluminum shell 2, and the spring steel sheet 7 offsets vibration received at the bottom of the anti-vibration shell 1;

one end of a pre-pressing spring 3 is fixedly connected with the inner wall of the anti-vibration shell 1, the other end of the pre-pressing spring 3 is fixedly connected with the other side of the shock absorption block 501, a core package 8 is formed by winding an anode foil 801, isolation paper 802 and a cathode foil 803, the isolation paper 802 arranged between the anode foil 801 and the cathode foil 803 obstructs charge movement to enable charges to be accumulated on a conductor to cause charge accumulation and storage, the top of the anode foil 801 is riveted with an anode guide pin 9, the top of the cathode foil 803 is riveted with a cathode guide pin 10, when voltage is applied between the anode guide pin 9 and the cathode guide pin 10, a capacitor stores charges, the outer layer of the core package 8 is wound with a plurality of circles of electrolytic paper, the outermost layer of the core package 8 is wound with a plurality of circles of adhesive tapes 11, the inner wall of the adhesive tapes 11 is wound and connected with the outer wall of the outermost layer of electrolytic paper, the top of the, the inner wall fixedly connected with protection pad of lantern ring 13, the diameter of lantern ring 13 slightly is greater than the diameter of core package 8, lantern ring 13 forms interference fit with core package 8, and lantern ring 13 carries out certain spacing to core package 8, avoids core package 8 to take place to remove and the inner wall of aluminum hull 2 collides mutually, leads to internal damage, influences the use, and the one end of positive pole guide pin 9 and negative pole guide pin 10 runs through in proper order and seals apron 12, aluminum hull 2 and antivibration shell 1 and extend to the outside.

The utility model discloses the theory of operation: during the use, install aluminum electrolytic capacitor in the position that needs, receive vibrations or when being extrudeed when the outside of antivibration shell 1, pre-compaction spring 3 is compressed, make piston rod 5 slide in the inside of piston cylinder 4 simultaneously, extrude snubber block 501, snubber block 501 extrudes answer spring 6, make answer spring 6 compressed, answer spring 6 receives the effect extension of answer power, drive snubber block 501 reverse motion, snubber block 501 drives pre-compaction spring 3 and piston rod 5 and gets back to initial state, thereby the vibration or the extrusion force that receives antivibration shell 1 offset, when the bottom of antivibration shell 1 receives the extrusion force, 7 work of spring steel sheet offsets the extrusion force, thereby realize the purpose of protecting to inside core package 8.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminium electrolytic capacitor that can effectively antivibration, includes antivibration shell (1), its characterized in that, the inside cover of antivibration shell (1) is equipped with aluminum hull (2), the inside of aluminum hull (2) is provided with core package (8), be provided with antivibration mechanism between antivibration shell (1) and aluminum hull (2), antivibration mechanism comprises answer spring (6), the inner wall fixedly connected with of antivibration shell (1) is a plurality of piston tube (4), a plurality of one end of piston tube (4) slip interlude and be connected with piston rod (5), the outer wall cover of piston tube (4) and piston rod (5) is equipped with pre-compaction spring (3), the one end fixedly connected with snubber block (501) of piston rod (5), one side of snubber block (501) and the one end fixed connection of answer spring (6), the other end of answer spring (6) and the outer wall fixed connection of aluminum hull (2), the bottom of the inner wall of the anti-vibration shell (1) is fixedly connected with a spring steel sheet (7), and the top of the spring steel sheet (7) is in contact with the bottom of the aluminum shell (2).

2. The aluminum electrolytic capacitor capable of effectively preventing vibration as recited in claim 1, wherein one end of the pre-pressing spring (3) is fixedly connected with the inner wall of the vibration-proof shell (1), and the other end of the pre-pressing spring (3) is fixedly connected with the other side of the damper block (501).

3. The aluminum electrolytic capacitor capable of effectively preventing vibration according to claim 1, wherein the core package (8) is formed by winding an anode foil (801), a separator (802) and a cathode foil (803), an anode guide pin (9) is riveted on the top of the anode foil (801), and a cathode guide pin (10) is riveted on the top of the cathode foil (803).

4. The aluminum electrolytic capacitor capable of preventing vibration effectively as claimed in claim 1, wherein the outer layer of the core package (8) is wound with a plurality of circles of electrolytic paper, the outermost layer of the core package (8) is wound with a plurality of circles of adhesive tape (11), and the inner wall of the adhesive tape (11) is wound and connected with the outer wall of the outermost layer of electrolytic paper.

5. The aluminum electrolytic capacitor capable of preventing vibration effectively as claimed in claim 1, wherein a sealing cover plate (12) is arranged on the top of the aluminum case (2), a sleeve ring (13) is fixedly connected to the bottom of the sealing cover plate (12), a protective pad is fixedly connected to the inner wall of the sleeve ring (13), the diameter of the sleeve ring (13) is slightly larger than that of the core bag (8), and the sleeve ring (13) and the core bag (8) form an interference fit.

6. The aluminum electrolytic capacitor capable of effectively preventing vibration according to claim 3, wherein one end of the anode guide pin (9) and one end of the cathode guide pin (10) sequentially penetrate through the sealing cover plate (12), the aluminum shell (2) and the vibration-proof shell (1) to extend to the outside.