Auxiliary mounting accessory for aluminum electrolytic capacitor

Abstract

The utility model discloses an auxiliary installation accessory for an aluminum electrolytic capacitor. The auxiliary installation accessory comprises a circular-ring-shaped fixing main body, a plurality of backstop sheets which are bent inwards along the periphery of the circular-ring-shaped fixing main body, and fixing plug-ins which extend upwards along the periphery of the circular-ring-shaped fixing main body and are perpendicular to the backstop sheets. Wherein the circular ring-shaped fixing main body is used for sleeving an opening of an aluminum shell of the aluminum electrolytic capacitor so as to hoop the aluminum shell; the backstop sheet is used for abutting against the surface of a cover plate of the aluminum electrolytic capacitor. And the fixed plug-in is used for being plugged on an external circuit board so as to install and fix the aluminum electrolytic capacitor on the external circuit board. The auxiliary mounting accessory for the aluminum electrolytic capacitor can be used for stably mounting and fixing the capacitor cover plate, so that the aluminum electrolytic capacitor is further stably fixed on the circuit board.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum electrolytic capacitors, and in particular relates to an auxiliary installation accessory for aluminum electrolytic capacitors. Background Art

[0002] The basic function of capacitors is charging and discharging. With the continuous improvement of capacitor performance, aluminum electrolytic capacitors have been widely used in consumer electronics, communication products, computers and peripheral products, new energy, automation control, automotive industry, optoelectronic products, high-speed railways, aviation and military equipment, etc. In the field of consumer electronics technology, the application of aluminum electrolytic capacitors has been expanding in many emerging fields such as energy-saving lamps, inverters, new energy, etc., with the structural transformation and technological progress. It has the characteristics of small size, large storage capacity and high cost performance.

[0003] At present, aluminum electrolytic capacitors are generally composed of a core package consisting of positive and negative aluminum foil and electrolytic paper winding, a cylindrical aluminum shell, and a sealing cover plate with positive and negative terminal terminals. The cover plate is provided with positive and negative terminal lead-out holes, and the positive and negative terminals are installed on the cover plate through through holes. For vertically installed electrolytic capacitors, in addition to being used to encapsulate the core package in the aluminum shell, the cover plate also has an important function of fixing the electrolytic capacitor. The positive and negative terminals on the cover plate are welded to the circuit board, so that the aluminum electrolytic capacitor is fixed on the circuit board as a whole. However, this aluminum electrolytic capacitor cover plate is only suitable for small volumes and relatively stable application environments. For large-volume aluminum electrolytic capacitors or for use in complex environments with shaking or vibration, it is difficult to stably fix the aluminum electrolytic capacitor by welding the positive and negative terminals to the circuit board.

[0004] It can be seen that, with respect to the above-mentioned current prior art, it is necessary to conduct research and development to provide a solution, to provide an auxiliary mounting accessory for an aluminum electrolytic capacitor, to stably mount and fix the capacitor cover, and to further stably fix the aluminum electrolytic capacitor on the circuit board, to ensure that the positive and negative terminals of the cover are not damaged.

[0005] The disclosure of the above background technology content is only used to assist in understanding the inventive concept and technical solution of the utility model. It does not necessarily belong to the prior art of this patent application. In the absence of clear evidence that the above content has been disclosed on the filing date of this patent application, the above background technology should not be used to evaluate the novelty and creativity of the present application. Utility Model Content

[0006] The utility model aims to provide an auxiliary installation accessory for aluminum electrolytic capacitors to solve at least one of the above-mentioned background technical problems.

[0007] To achieve the above purpose, the technical solution of the embodiment of the utility model is implemented as follows:

[0008] An auxiliary installation accessory for an aluminum electrolytic capacitor comprises a circular ring-shaped fixing body, a plurality of stopper sheets bent inwardly along the periphery of the circular ring-shaped fixing body, and a plurality of fixing plug-ins extending upwardly along the periphery of the circular ring-shaped fixing body and perpendicular to the stopper sheets; wherein the circular ring-shaped fixing body is used to be sleeved on the opening of the aluminum shell of the aluminum electrolytic capacitor to tighten the aluminum shell; the stopper sheets are used to abut against the surface of the cover plate of the aluminum electrolytic capacitor; and the fixing plug-in is used to be plugged into an external circuit board to install and fix the aluminum electrolytic capacitor to the external circuit board.

[0009] In some embodiments, the inner diameter of the annular fixing body is equal to the outer diameter of the aluminum shell of the aluminum electrolytic capacitor.

[0010] In some embodiments, the inner wall of the annular fixed body is welded to the outer wall of the aluminum shell of the aluminum electrolytic capacitor.

[0011] In some embodiments, the stopper is in the shape of an annular sheet, and the stopper is integrally connected to the annular fixing body.

[0012] In some embodiments, both surfaces of the stopper are planes, wherein the inner surface of the stopper is used to fit onto the cover surface of the aluminum electrolytic capacitor, and the outer surface of the stopper is used to fit onto the surface of the circuit board on which the aluminum electrolytic capacitor is mounted.

[0013] In some embodiments, the plurality of stoppers form a circular hole that is concentric with the opening of the aluminum shell of the aluminum electrolytic capacitor.

[0014] In some embodiments, the lengths of the plurality of stoppers are equal or unequal, and the plurality of stoppers are arranged at equidistant intervals.

[0015] In some embodiments, the fixing plug-in is disposed between two adjacent stop pieces, and the number of the fixing plug-in is equal to the number of the stop pieces.

[0016] In some embodiments, the number of the fixing plug-ins is three, and the three fixing plug-ins are connected to form an equilateral triangle.

[0017] In some embodiments, the thickness of the stopper sheet is equal to the thickness of the annular fixing body.

[0018] The beneficial effects of the technical solution of the utility model are:

[0019] Compared with the prior art, the auxiliary mounting accessory of the aluminum electrolytic capacitor of the utility model can stably mount and fix the capacitor cover plate, thereby further stably fixing the aluminum electrolytic capacitor on the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 It is a three-dimensional structural diagram of an auxiliary mounting accessory for an aluminum electrolytic capacitor according to an embodiment of the utility model;

[0022] Figure 2 This is another angle view of the auxiliary mounting accessory for aluminum electrolytic capacitors according to one embodiment of the utility model;

[0023] Figure 3 This is another angle view of the auxiliary mounting accessory of the aluminum electrolytic capacitor according to one embodiment of the utility model;

[0024] Figure 4 The utility model is a diagram showing the combination of an auxiliary mounting accessory of an aluminum electrolytic capacitor and a capacitor according to an embodiment of the utility model. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the embodiments of the utility model clearer and more understandable, and to enable people in the technical field to better understand the solutions of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0026] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, connection can be used for fixing or for circuit connection.

[0027] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, unless otherwise clearly specified and defined, the meaning of "multiple" is two or more, and the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0029] Reference Figure 1-Figure 4 As shown, as an embodiment of the utility model, an auxiliary mounting accessory 200 for an aluminum electrolytic capacitor is provided, the auxiliary mounting accessory comprises a circular ring-shaped fixing body 20, a plurality of stopper sheets 22 bent inwardly along the periphery of the circular ring-shaped fixing body 20, and a fixing plug-in 21 extending upwardly along the periphery of the circular ring-shaped fixing body 20 and perpendicular to the stopper sheets 22; wherein the circular ring-shaped fixing body 20 is used to be sleeved on the opening of the aluminum shell 10 of the aluminum electrolytic capacitor to tighten the aluminum shell 10; the stopper sheets 22 are used to abut against the cover surface of the aluminum electrolytic capacitor; the fixing plug-in 21 is used to be plugged into an external circuit board to install and fix the aluminum electrolytic capacitor to the external circuit board.

[0030] In some embodiments, the inner diameter of the annular fixed body 20 is equal to the outer diameter of the aluminum shell 10 of the aluminum electrolytic capacitor, so that the annular fixed body 20 and the aluminum shell 10 are closely matched. In some embodiments, the annular fixed body 20 is welded to the outer wall of the aluminum shell 10 of the aluminum electrolytic capacitor through its inner wall, so as to be firmly connected to the aluminum shell 10. In some embodiments, the inner wall of the annular fixed body 20 is laser welded to the outer wall of the aluminum shell 10 of the aluminum electrolytic capacitor. It should be noted that in some embodiments, the annular fixed body 20 can also be fixed to the aluminum shell by stamping the annular fixed body 20 or taking other methods.

[0031] Please refer to Figure 2 , Figure 3 As shown, in some embodiments, the stopper sheet 22 is an annular sheet, and the stopper sheet 22 is integrally connected to the annular fixed body 20. Both surfaces of the stopper sheet 22 are planes, wherein the inner surface of the stopper sheet 22 is attached to the surface of the cover plate of the aluminum electrolytic capacitor, and the outer surface is attached to the surface of the circuit board on which the aluminum electrolytic capacitor is installed. In some embodiments, a plurality of stopper sheets 22 surround a circular hole that is concentric with the opening of the aluminum shell of the aluminum electrolytic capacitor, so that the terminal on the cover plate of the aluminum electrolytic capacitor extends from the circular hole. The lengths of the plurality of stopper sheets are equal or unequal, and the plurality of stopper sheets are arranged at equal intervals; in an embodiment of the utility model, the lengths of the plurality of stopper sheets are equal; the number of the stopper sheets is three, and the three stopper sheets are arranged at equal intervals.

[0032] Please refer to Figure 3 As shown, in some embodiments, the fixing plug-in 21 is disposed between two adjacent stopper sheets 22, and the number of the fixing plug-in 21 is equal to the number of the stopper sheets 22. In the embodiment of the utility model, the number of the fixing plug-in 21 is three, and the three fixing plug-ins 21 are connected to form an equilateral triangle.

[0033] Please refer to Figure 3 , Figure 4 As shown, in some embodiments, the end of the fixing plug 21 is on the same horizontal plane as the end of the lead terminal on the cover plate of the aluminum electrolytic capacitor, so that the fixing plug 21 is fixed to the circuit board to stably connect and fix the cover plate to the circuit board, thereby installing and fixing the aluminum electrolytic capacitor on the circuit board.

[0034] In the embodiment of the utility model, the thickness of the stopper sheet 22 is equal to the thickness of the annular fixing body 20; it should be noted that in some other embodiments, the thickness of the stopper sheet 22 is less than the thickness of the annular fixing body 20. Similarly, the thickness of the fixing plug 21 is equal to the thickness of the annular fixing body 20, or less than the thickness of the annular fixing body 20.

[0035] In some embodiments, the width of the fixing plug 21 is less than or equal to the interval between two adjacent stop pieces 22 .

[0036] It is understandable that the above content is a further detailed description of the invention of the utility model in combination with specific / preferred implementation methods, and it cannot be determined that the specific implementation of the invention of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the invention of the utility model belongs, without departing from the concept of the invention of the utility model, they can also make several substitutions or modifications to these described implementation methods, and these substitutions or modifications should be deemed to belong to the scope of protection of this patent. In the description of this specification, the description of reference terms such as "an embodiment", "some embodiments", "preferred embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model.

[0037] In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradicting each other. Although the embodiments and advantages of the utility model have been described in detail, it should be understood that various changes, substitutions and modifications may be made herein without departing from the scope defined by the appended claims.

[0038] In addition, the scope of the invention is not intended to be limited to the specific embodiments of the processes, machines, manufactures, material compositions, means, methods, and steps described in the specification. It will be readily understood by those skilled in the art that the above disclosures, processes, machines, manufactures, material compositions, means, methods, or steps currently existing or to be developed later that perform substantially the same functions as the corresponding embodiments described herein or obtain substantially the same results as the embodiments described herein may be utilized. Therefore, the appended claims are intended to include these processes, machines, manufactures, material compositions, means, methods, or steps within their scope.

Claims

1. An auxiliary mounting accessory for an aluminum electrolytic capacitor, characterized in that: It includes a circular ring-shaped fixing body, a plurality of stopper sheets bent inwardly along the periphery of the circular ring-shaped fixing body, and a plurality of fixing plug-ins extending upward along the periphery of the circular ring-shaped fixing body and perpendicular to the stopper sheets; wherein the circular ring-shaped fixing body is used to be sleeved on the opening of the aluminum shell of the aluminum electrolytic capacitor to tighten the aluminum shell; the stopper sheets are used to abut against the cover surface of the aluminum electrolytic capacitor; and the fixing plug-in is used to be plugged into an external circuit board to install and fix the aluminum electrolytic capacitor to the external circuit board.

2. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 1, characterized in that: The inner diameter of the annular fixed body is equal to the outer diameter of the aluminum shell of the aluminum electrolytic capacitor.

3. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 1, characterized in that: The inner wall of the annular fixed body is welded to the outer wall of the aluminum shell of the aluminum electrolytic capacitor.

4. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 1, characterized in that: The stopper piece is an annular piece, and the stopper piece is integrally connected with the annular fixing body.

5. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 1, characterized in that: Both surfaces of the stopper are planes, wherein the inner surface of the stopper is used to fit onto the cover surface of the aluminum electrolytic capacitor, and the outer surface of the stopper is used to fit onto the surface of the circuit board on which the aluminum electrolytic capacitor is mounted.

6. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 1, characterized in that: A plurality of stopper plates surround a circular hole having the same center as the opening of the aluminum shell of the aluminum electrolytic capacitor.

7. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 1, characterized in that: The lengths of the plurality of stop pieces are equal or unequal, and the plurality of stop pieces are arranged at equal intervals.

8. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 1, characterized in that: The fixing plug-in is arranged between two adjacent stop pieces, and the number of the fixing plug-in is equal to the number of the stop pieces.

9. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 8, characterized in that: The number of the fixing plug-ins is three, and the three fixing plug-ins are connected to form an equilateral triangle.

10. The auxiliary mounting accessory for aluminum electrolytic capacitors according to claim 9, characterized in that: The thickness of the stop sheet is equal to the thickness of the annular fixing body.

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