CN210110546U

CN210110546U - Aluminum electrolytic capacitor with compression resistance function

Info

Publication number: CN210110546U
Application number: CN201921393793.2U
Authority: CN
Inventors: 陈凤佳
Original assignee: ZHONGSHAN WANKO ELECTRONIC Co Ltd
Current assignee: ZHONGSHAN WANKO ELECTRONIC Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-02-21
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses an aluminum electrolytic capacitor with compression-resistant function, the capacitor body comprises an electrolytic chamber, an insulating end cover is hermetically arranged at the opening of the electrolytic chamber, and an anode rod and a cathode rod are arranged on the insulating end cover; resistance to compression mechanism includes barrel and last barrel down, barrel bottom is provided with the recess down, the spring has been cup jointed to the electrolysis chamber outside, down the barrel with be provided with two semicircle boards between the spring, the semicircle board is provided with first arch, the barrel is just right down the semicircle board is provided with the second arch, first arch is kept away from the one end of semicircle board is provided with first rubber pad, the second arch is kept away from the one end of barrel is provided with the second rubber pad down, upward be provided with the through-hole on the barrel, the disc is installed to the through-hole internal rotation, the disc is just right anode rod and cathode rod are provided with the electrode perforation. The utility model has the advantages of resistance to compression, structural strength is high, the stable performance, longe-lived.

Description

Aluminum electrolytic capacitor with compression resistance function

Technical Field

The utility model relates to the technical field of capacitors, concretely relates to aluminum electrolytic capacitor with resistance to compression function.

Background

The aluminum electrolytic capacitor is made up by using aluminium cylinder as negative electrode, in which the liquid electrolyte is filled, and inserting a bent aluminium strip as positive electrode. While the aluminum electrolytic capacitor is steadily increasing in the field of traditional consumer electronics, its application field is expanded in many emerging fields such as energy-saving lamps, frequency converters, new energy sources and the like along with structure transformation and technical progress.

However, at present, the large-capacity aluminum electrolytic capacitor generally has the defects of insufficient structural strength and poor compressive strength, for example, the aluminum electrolytic capacitor is deformed by extrusion or impact even under different atmospheric pressures, so that the electrolyte is forced to leak, and the service life of the aluminum electrolytic capacitor is seriously influenced. Therefore, it is necessary to provide a pressure-resistant aluminum electrolytic capacitor to solve the above problems, the pressure-resistant aluminum electrolytic capacitor at the present stage is additionally provided with a pressure-resistant manner of a protective shell, the protective shell is pressed, and the deformation of the protective shell can also influence the deformation of the electrolytic chamber of the capacitor, thereby causing leakage; there is also a pressure-resistant form that a deformation-resistant mechanism is placed in the electrolytic chamber to resist the deformation of the electrolytic chamber, and since the inside of the aluminum electrolytic capacitor can react, the self material of the deformation-resistant mechanism can react, which is not favorable for the performance of the aluminum electrolytic capacitor.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide an aluminum electrolytic capacitor with compression resistance function that can better resist compression, structural strength is high, the stable performance, long-lived.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an aluminum electrolytic capacitor with pressure-resistant function comprises a capacitor body and a pressure-resistant mechanism; the capacitor body comprises an electrolytic chamber with an opening at one end, electrolyte is arranged in the electrolytic chamber, an insulating end cover is arranged at the opening of the electrolytic chamber in a sealing manner, an anode rod and a cathode rod are arranged on the insulating end cover, and the anode rod and the cathode rod are inserted into the electrolytic chamber; the compression-resistant mechanism comprises a lower barrel body and an upper barrel body, the lower barrel body is connected with the upper barrel body in a threaded fit manner, the bottom of the lower cylinder body is provided with a groove, the electrolysis chamber is arranged in the groove, the outer side of the electrolysis chamber is sleeved with a spring, the inner diameter of the spring is larger than the outer diameter of the electrolysis chamber, two semicircular plates are arranged between the lower cylinder body and the spring, a first bulge is arranged at one end of the semicircular plate, which is opposite to the lower cylinder body, a second bulge is arranged at the lower cylinder body, which is opposite to the semicircular plate, the first bulges and the second bulges are arranged in a staggered way, one end of the first bulges, which is far away from the semicircular plate, is provided with a first rubber pad, a second rubber pad is arranged at one end of the second bulge far away from the lower cylinder body, a through hole is arranged on the upper cylinder body, the through hole is rotatably provided with a disc, and the disc is provided with electrode perforations right facing the anode rod and the cathode rod.

When using, barrel in the rotation, make and go up barrel and barrel separation down, install two semicircle boards in the barrel down, during the installation, first arch sets up with the protruding crisscross of second, with the spring mounting between two semicircle rings, and make the semicircle board support on the second rubber blanket, the barrel supports on first rubber blanket down, place the electrolysis chamber in the recess of barrel down, cover the barrel, and pass the electrode perforation on the disc with anode bar and cathode bar, barrel in the rotation, make and go up the barrel and sticis on the insulating end cover and compress tightly the electrolysis chamber, the disc is at the through-hole internal rotation during, can not damage anode bar and cathode bar. The utility model discloses when receiving external force extrusion, lower barrel can disperse power to the protruding and first rubber pad of second and transmit to the semicircle board through second rubber pad and first arch on, the dispersion of lining has been carried out to the period, and first rubber pad and second rubber pad have the elasticity and the hardness of removal, can resist partial external force and absorb deformation, the influence of lower barrel shape variable to the electrolysis chamber has been reduced, and simultaneously, the semicircle board supports on the spring, the spring has sufficient holding power and can resist external force, and there is certain clearance with the electrolysis chamber, can not transmit power and deformation to the electrolysis chamber, guarantee the normal operating of work in the electrolysis chamber.

Preferably, the diameter of the disc is smaller than that of the through hole, an annular groove is formed in the side wall of the through hole, a protruding block is arranged on the disc opposite to the annular groove, and the protruding block is connected in the annular groove in a sliding mode.

Therefore, the disc can rotate in the through hole, when the upper barrel rotates, the disc keeps static relative to the electrolytic chamber, so that shearing force cannot be generated on the anode rod and the cathode rod, and the performance of the anode rod and the performance of the cathode rod are protected on the premise that the upper barrel and the lower barrel are connected.

Preferably, the first protrusion is a semicircular protrusion, and the second protrusion is a circular protrusion.

Thus, the lower cylinder body and the semicircular plate can be connected more tightly.

Preferably, the widths of the first protrusions and the second protrusions are the same, the distance between two adjacent first protrusions is equal to the width of the second protrusions, and the distance between two adjacent second protrusions is equal to the width of the first protrusions.

Like this, because first arch and the bellied crisscross setting of second, the first protruding width of first arch and second is unanimous to make first arch and second arch for the grafting setting, can keep the stability of semicircle board installation like this, and pressure dispersion is even, avoids forming the too big condition of partial pressure.

As optimization, the outer side of the lower cylinder body is uniformly provided with third bulges.

Therefore, the partial thickness of the lower cylinder body is increased, and when the lower cylinder body is subjected to larger pressure, the pressure of the absorption part can be resisted preferentially, so that the pressure resisting effect is achieved.

To sum up, the utility model has the advantages of better resistance to compression, structural strength is high, the stable performance, longe-lived.

Drawings

Fig. 1 is a schematic structural diagram of an aluminum electrolytic capacitor with pressure-resistant function according to the present invention.

FIG. 2 is a schematic view of the structure A-A in FIG. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In specific implementation, as shown in fig. 1-2, an aluminum electrolytic capacitor with pressure-resistant function comprises a capacitor body and a pressure-resistant mechanism; the capacitor body comprises an electrolytic chamber 1 with an opening at one end, electrolyte is arranged in the electrolytic chamber 1, an insulating end cover 11 is arranged at the opening of the electrolytic chamber 1 in a sealing manner, an anode rod 12 and a cathode rod 13 are arranged on the insulating end cover 11, and the anode rod 12 and the cathode rod 13 are inserted into the electrolytic chamber 1; the compression resistance mechanism comprises a lower barrel 14 and an upper barrel 15, the lower barrel 14 is in threaded fit connection with the upper barrel 15, a groove is formed in the bottom of the lower barrel 14, the electrolytic chamber 1 is placed in the groove, a spring 16 is sleeved on the outer side of the electrolytic chamber 1, the inner diameter of the spring 16 is larger than the outer diameter of the electrolytic chamber 1, two semicircular plates 17 are arranged between the lower barrel 14 and the spring 16, the semicircular plates 17 are provided with first bulges 18 just at one ends of the lower barrel 14, the lower barrel 14 is provided with second bulges 19 just at the semicircular plates 17, the first bulges 18 and the second bulges 19 are arranged in a staggered mode, one ends, far away from the semicircular plates 17, of the first bulges 18 are provided with first rubber pads 2, one ends, far away from the lower barrel 14, of the second bulges 19 are provided with second rubber pads 21, through holes are formed in the upper barrel 15, the through hole is rotatably provided with a disc 22, and the disc 22 is provided with electrode through holes facing the anode rod 12 and the cathode rod 13.

Specifically, the first protrusion 18 and the semicircular plate 17 are integrally cast, so that the stability and firmness of the first protrusion can be guaranteed; the same second bulge is integrally cast and formed with the lower cylinder body.

Specifically, two semicircular plates 17 are arranged to facilitate installation into the lower barrel 14, so that the compression resistance effect is guaranteed.

In this embodiment, the diameter of the disc 22 is smaller than that of the through hole, an annular groove is formed in the side wall of the through hole, a protruding block 23 is arranged on the disc opposite to the annular groove, and the protruding block 23 is slidably connected in the annular groove.

In this embodiment, the first protrusion 18 is a semicircular protrusion, and the second protrusion 19 is a circular protrusion.

In this embodiment, the widths of the first protrusions 18 and the second protrusions 19 are the same, the distance between two adjacent first protrusions 18 is equal to the width of the second protrusions 19, and the distance between two adjacent second protrusions 19 is equal to the width of the first protrusions 18.

In this embodiment, the outer side of the lower cylinder 14 is uniformly provided with third protrusions 24.

The use principle and the flow are as follows:

the barrel in the rotation, make and go up barrel and barrel separation down, install two semicircle boards in the barrel down, during the installation, first arch and the protruding crisscross setting of second, install the spring between two semicircle rings, and make the semicircle board support on the second rubber pad, the barrel supports on first rubber pad down, place the electrolysis chamber in the recess of barrel down, cover the barrel, and pass the electrode perforation on the disc with anode bar and cathode bar, the barrel is gone up in the rotation, make and go up the barrel sticiss on the insulating end cover and compress tightly the electrolysis chamber, the disc is at the through-hole internal rotation during, anode bar and cathode bar can not be damaged.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An aluminum electrolytic capacitor with pressure-resistant function is characterized by comprising a capacitor body and a pressure-resistant mechanism; the capacitor body comprises an electrolytic chamber with an opening at one end, electrolyte is arranged in the electrolytic chamber, an insulating end cover is arranged at the opening of the electrolytic chamber in a sealing manner, an anode rod and a cathode rod are arranged on the insulating end cover, and the anode rod and the cathode rod are inserted into the electrolytic chamber; the compression-resistant mechanism comprises a lower barrel body and an upper barrel body, the lower barrel body is connected with the upper barrel body in a threaded fit manner, the bottom of the lower cylinder body is provided with a groove, the electrolysis chamber is arranged in the groove, the outer side of the electrolysis chamber is sleeved with a spring, the inner diameter of the spring is larger than the outer diameter of the electrolysis chamber, two semicircular plates are arranged between the lower cylinder body and the spring, a first bulge is arranged at one end of the semicircular plate, which is opposite to the lower cylinder body, a second bulge is arranged at the lower cylinder body, which is opposite to the semicircular plate, the first bulges and the second bulges are arranged in a staggered way, one end of the first bulges, which is far away from the semicircular plate, is provided with a first rubber pad, a second rubber pad is arranged at one end of the second bulge far away from the lower cylinder body, a through hole is arranged on the upper cylinder body, the through hole is rotatably provided with a disc, and the disc is provided with electrode perforations right facing the anode rod and the cathode rod.

2. The aluminum electrolytic capacitor with pressure resistance as recited in claim 1, wherein the diameter of the disc is smaller than that of the through hole, an annular groove is disposed on a side wall of the through hole, a protrusion is disposed on the disc opposite to the annular groove, and the protrusion is slidably connected in the annular groove.

3. The aluminum electrolytic capacitor with pressure resistant function as recited in claim 2, wherein the first protrusion is a semicircular protrusion, and the second protrusion is a circular protrusion.

4. The aluminum electrolytic capacitor with pressure resistant function as recited in claim 3, wherein the first protrusions and the second protrusions have the same width, the distance between two adjacent first protrusions is equal to the width of the second protrusions, and the distance between two adjacent second protrusions is equal to the width of the first protrusions.

5. The aluminum electrolytic capacitor with pressure resistant function as recited in claim 4, wherein the third protrusions are uniformly arranged on the outer side of the lower cylinder.