Aluminum patch electrolytic capacitor

By introducing solder grooves and protective covers into aluminum chip electrolytic capacitors, the problem of incomplete contact between solder points and pins is solved, achieving stable connection and convenient disassembly.

CN223986499UActive Publication Date: 2026-03-10DONGGUAN LIANGHUA ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Traditional aluminum chip electrolytic capacitors have incomplete contact area between the solder joints and leads during installation and removal, leading to false connections, which affects the stability of use, and the removal efficiency is low. Furthermore, the capacitor is easily damaged when heated.

Method used

An aluminum chip electrolytic capacitor with solder grooves and a protective cover was designed. By increasing the contact area between the solder point and the pin, and protecting the position of the solder point with the protective cover, a stable connection and easy disassembly are ensured.

Benefits of technology

This achieves complete bonding between the solder joint and the pin, improving connection stability, facilitating capacitor installation and removal, and preventing capacitor damage caused by excessive heating time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an aluminum patch electrolytic capacitor, which relates to the technical field of capacitors and comprises a capacitor body, pins are connected in the capacitor body and extend to the outer side, an insulating base is arranged at the lower end of the capacitor body, and the pins penetrate through the insulating base. Abdicating grooves are formed in the two sides of the direction, corresponding to the pins, of the insulating base, welding grooves are formed in the lower ends of the abdicating grooves, the welding grooves correspond to the pins, and protection mechanisms are rotationally arranged in the abdicating grooves and correspond to the pins; the aluminum patch electrolytic capacitor; through the arrangement of the welding groove and the protective cover, the tin liquid can be completely combined and connected with the pins, so that the capacitor can be stably fixed on the mainboard, the positions of tin points can be protected through the protective cover, more positions of the pins are exposed after the protective cover is opened, and installation and disassembly are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor technical field, concretely is a kind of aluminum patch electrolytic capacitor. BACKGROUND

[0002] Aluminum patch electrolytic capacitor is a kind of common electronic component, belongs to a kind of electrolytic capacitor;It uses aluminum as electrode material, and electrolyte is used as medium, with greater electric capacity and higher voltage bearing capacity.Due to its patch packaging form, it is suitable for surface mount technology, and is widely used in modern electronic equipment.

[0003] Traditional capacitor needs to be fixed by tin-pointing when installing and disassembling the pin of capacitor, and the contact area of traditional tin-pointing and pin is not complete, which is easy to form the phenomenon of "false connection", thereby affecting the overall use;When disassembling, the tin on the pin of capacitor needs to be melted, and then disassembled, and the exposed part of traditional pin is too small, which cannot correspond to the pin part when heating, thereby affecting the disassembling efficiency of capacitor, and even the capacitor can be damaged due to too long heating time. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an aluminum patch electrolytic capacitor, which solves the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: an aluminum patch electrolytic capacitor, comprising a capacitor body, a pin connected in the capacitor body, the pin extending to the outside, an insulating base provided at the lower end of the capacitor body, the pin passing through the insulating base, a clearance groove provided on both sides of the insulating base corresponding to the pin, a welding groove provided at the lower end of the clearance groove corresponding to the pin, a protection mechanism rotatably provided in the clearance groove corresponding to the pin.

[0006] Further, the protection mechanism comprises a protective cover, the upper end of the protective cover is rotatably connected to the insulating base, a matching groove is provided at the lower end of the outer side of the protective cover, and the matching groove is matched with the pin.

[0007] Further, the outer side of the upper end of the protective cover is fixedly connected with a pull bar, and the pull bar is integrally formed with the protective cover.

[0008] Further, the two sides of the protective cover are abuttingly arranged with the inner walls of the clearance groove, and are arranged with a certain friction.

[0009] Further, the protective cover is preferably made of insulating rubber.

[0010] Further, the pin is located at the middle position of the welding groove.

[0011] With respect to the above background art, the aluminum patch electrolytic capacitor provided by the present application comprises a capacitor which is very mature at present, and a welding groove and a protective cover as core components, and the principle thereof relies on increasing the contact area between the tin point and the pin, improving the connection stability, and the protective cover can display more of the pin part, facilitating the installation and disassembly of the capacitor as a whole.

[0012] The aluminum patch electrolytic capacitor provided by the present application has the following beneficial effects compared with the prior art:

[0013] The aluminum patch electrolytic capacitor; by setting the welding groove and the protective cover, the tin liquid can be completely combined and connected with the pin, so that the capacitor can be stably fixed on the mainboard, the position of the tin point can be protected through the protective cover, and after the protective cover is opened, the position of the pin exposed is more, facilitating installation and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a whole structure schematic view;

[0015] Figure 2 The utility model provides a protective cover unfolded structure schematic view;

[0016] Figure 3 The utility model provides a welding groove and protective cover structure schematic view.

[0017] In the drawing: 1, capacitor body; 2, insulating base; 3, pin; 4, let position groove; 5, welding groove; 6, protective cover; 7, push bar; 8, matching groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-3The utility model provides a technical scheme: an aluminum patch electrolytic capacitor, including capacitor body 1, the inside connection of capacitor body 1 has pin 3, pin 3 extends to the outside, the lower end of capacitor body 1 is provided with insulating base 2, pin 3 passes through insulating base 2 and is arranged, and the direction corresponding of insulating base 2 and pin 3 is provided with the accommodation groove 4 of both sides, the lower end of accommodation groove 4 is provided with the welding groove 5 of the accommodation groove 4, and the welding groove 5 is correspondingly arranged with pin 3, and the protection mechanism is rotatably arranged in the accommodation groove 4, and the protection mechanism is correspondingly arranged with pin 3;Pin 3 extends to the outside in the inside of capacitor body 1, and the insulating base 2 is arranged at the lower end of capacitor body 1, the insulating base 2 is sleeved on pin 3, and pin 3 is bent at the lower end of insulating base 2 after passing through insulating base 2, when installing capacitor whole, need tin in the installation position, then the position corresponding of pin 3 and tin is pressed into shape, then tin is fixed at the outside end, the lower end of insulating base 2 is provided with welding groove 5 in the design, and welding groove 5 reserves space, so that pin 3 can be fully fixed with tin liquid, then when tin is pointed from the outside, the space can be reserved to facilitate the contact and fusion of the tin liquid outside and the tin liquid inside, to better fixation and connection.

[0020] As Figure 2 shown, the protection mechanism includes a protective cover 6, the upper end of the protective cover 6 is rotatably connected to the inner edge of the insulating base 2, the lower end of the protective cover 6 is provided with a matching groove 8, the matching groove 8 is matched with the pin 3, when the tin is finished, the protective cover 6 is rotated downward to protect the tin welding position, when it needs to be disassembled, the protective cover 6 is rotated upward, the tin is melted by a hot air gun or other tools, the protective cover 6 is rotatably connected to the upper end of the accommodation groove 4, that is, the insulating base 2, when the protective cover 6 is opened, the exposed area of the pin 3 is larger, which is more convenient for disassembly and installation; the matching groove 8 is matched with the pin 3, so that when the protective cover 6 is rotated to cover, the position of the pin 3 can be limited to avoid the pin 3 from being skewed and bent before use.

[0021] As Figure 2 shown, the protective cover 6 is fixedly connected with a pull bar 7 at the outer upper end, and the pull bar 7 is integrally formed with the protective cover 6; by fixing the pull bar 7 at the outer upper end of the protective cover 6, the pull bar 7 can be easily opened with tools or manually, which is convenient to operate, and the pull bar 7 is integrally formed with the protective cover 6, which is more durable.

[0022] As Figure 2As shown, the protective cover 6 is set to abut against the inner walls of the relief groove 4 on both sides, with a certain amount of friction. When the protective cover 6 rotates up and down, its position is fixed by the friction on both sides. There is a certain resistance when the protective cover 6 rotates up and down, so it is easy to stop rotating. The protective cover 6 is preferably made of insulating rubber. The protective cover 6 is made of insulating rubber, which is not only durable but also insulating. The pin 3 is located in the middle of the soldering groove 5. When the solder in the soldering groove 5 is full, it can completely wrap the pin 3, thereby forming a more stable connection and fixation.

Claims

1. An aluminum chip electrolytic capacitor comprising a capacitor body (1) with a pin (3) connected inside the capacitor body (1), the pin (3) extending to the outside, the lower end of the capacitor body (1) being provided with an insulating base (2), the pin (3) being provided through the insulating base (2), characterized in that, The insulating base (2) is provided with a clearance slot (4) on both sides of the direction corresponding to the pin (3), the lower end of the clearance slot (4) is provided with a welding slot (5), the welding slot (5) is provided correspondingly with the pin (3), the clearance slot (4) is rotatably provided with a protection mechanism, the protection mechanism is provided correspondingly with the pin (3).

2. An aluminum chip electrolytic capacitor as defined in claim 1, wherein The protection mechanism comprises a protection cover (6), the upper end of the protection cover (6) is rotatably connected with the insulating base (2), the outer lower end of the protection cover (6) is provided with a matching slot (8), and the matching slot (8) is matched with the pin (3).

3. An aluminum patch electrolytic capacitor as in claim 2 wherein, The outer upper end of the protection cover (6) is fixedly connected with a pull bar (7), and the pull bar (7) is integrally formed with the protection cover (6).

4. An aluminum patch electrolytic capacitor as in claim 2 wherein, The both sides of the protection cover (6) are abuttingly provided with the inner walls of the clearance slot (4) and are provided with a certain friction.

5. An aluminum patch electrolytic capacitor as in claim 2 wherein, The protection cover (6) is preferably made of insulating rubber.

6. An aluminum patch electrolytic capacitor as in claim 2 wherein, The pin (3) is located at the middle position of the welding slot (5).