CN216980354U - Capacitor with self-positioning structure - Google Patents

Abstract

The utility model discloses a capacitor with a self-positioning structure, which comprises a capacitor core, a soldering lug and a shell, wherein the soldering lug is welded on the capacitor core; the shell defines an accommodating cavity, a positioning clamping groove is formed in the side face of the accommodating cavity, and the soldering lug is arranged in the positioning clamping groove so as to position the capacitor core and the soldering lug; therefore, the positioning clamping groove is formed in the inner side face of the shell to complete the positioning function, so that the encapsulating process is simplified, and the operation is simple; and the positioning effect is good, thereby greatly reducing the reject ratio.

Description

Capacitor with self-positioning structure

Technical Field

The utility model relates to the technical field of capacitors, in particular to a capacitor with a self-positioning structure.

Background

In the related technology, the film capacitor adopting the soldering lugs on the same side as the electrodes has higher production cost mainly because the encapsulation procedure in the production process is complex in operation and high in reject ratio; the embedment process of this type of present condenser is mainly after the welded condenser core inserts the plastic casing, clip soldering lug and plastic casing or fill in the leatheroid between condenser core and plastic casing through the iron clamp, lock modes such as frock with the position of fixed condenser core and soldering lug, then carry out first time and take off iron clamp or leatheroid and frock and carry out embedment and solidification for the second time after the embedment, this mode operation is complicated, waste time and energy, and clip, the easily not hard up and difficult management and control of leatheroid, probably lead to the soldering lug interval to exceed the tolerance range, thereby make the yield low.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, one object of the present invention is to provide a capacitor with a self-positioning structure, in which a positioning slot is disposed on an inner side surface of a housing to complete a positioning function, so that a potting process is simplified and an operation is simple; and the positioning effect is good, thereby greatly reducing the reject ratio.

In order to achieve the above object, an embodiment of the present invention provides a capacitor with a self-alignment structure, including: a capacitor core; the soldering lug is welded on the capacitor core; the casing, the chamber is injectd to the casing, it is provided with positioning groove to hold the chamber side, the soldering lug sets up in the positioning groove, in order to right the condenser core with the soldering lug is fixed a position.

The capacitor with the self-positioning structure comprises a capacitor core, a soldering lug and a shell, wherein the soldering lug is welded on the capacitor core; the shell defines an accommodating cavity, a positioning clamping groove is formed in the side face of the accommodating cavity, and the soldering lug is arranged in the positioning clamping groove so as to position the capacitor core and the soldering lug; therefore, the positioning clamping groove is formed in the inner side face of the shell to complete the positioning function, so that the encapsulating process is simplified, and the operation is simple; and the positioning effect is good, thereby greatly reducing the reject ratio.

In addition, the capacitor with the self-positioning structure proposed above according to the embodiment of the present invention may further have the following additional technical features:

optionally, one end of the soldering lug is soldered on the capacitor core, and the other end of the soldering lug is disposed outside the housing.

Optionally, the positioning clamping groove is of an L-shaped structure, and forms a U-shaped structure with the side surface of the accommodating cavity.

Optionally, the middle part of the soldering lug is arranged in the positioning clamping groove.

Optionally, the positioning clamping groove comprises a first positioning column and a second positioning column, and the first positioning column, the second positioning column and the side face of the accommodating cavity form a U-shaped structure.

Optionally, the middle part of the soldering lug is arranged in the positioning clamping groove.

Optionally, the number of the soldering lugs is the same as that of the positioning clamping grooves.

Optionally, the housing is potted with epoxy to encapsulate the capacitor core within the housing.

Drawings

FIG. 1 is a schematic structural diagram of a capacitor with a self-locating structure according to one embodiment of the present invention;

FIG. 2 is an exploded view of a capacitor with a self-locating feature according to one embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a capacitor with a self-locating structure according to another embodiment of the present invention;

FIG. 4 is an exploded view of a capacitor with a self-locating feature according to another embodiment of the present invention;

fig. 5 is a schematic diagram of a completed potting structure of a capacitor with a self-positioning structure according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

A capacitor with a self-positioning structure according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the capacitor with a self-positioning structure according to the embodiment of the present invention includes a capacitor core 10, a tab 20, and a case 30.

Wherein, the soldering lug 20 is welded on the capacitor core 10; the housing 30 defines a containing cavity, a positioning clamping groove 31 is arranged on the side surface of the containing cavity, and the soldering lug 20 is arranged in the positioning clamping groove 31 so as to position the capacitor core 10 and the soldering lug 20.

One end of tab 20 is soldered to capacitor element 10, and the other end of tab 20 is disposed outside case 30.

As an embodiment, as shown in fig. 2, the positioning slot 31 has an L-shaped structure and forms a U-shaped structure with the side of the accommodating cavity.

As shown in fig. 1, the middle portion of the soldering lug 20 is disposed in the positioning notch 31.

That is, a gap is provided between the middle portion of the tab 20 and the capacitor core 10, so that the middle portion side of the tab 20 can be disposed in the U-shaped structure of the positioning notch 31, so that the tab 20 and the capacitor core 10 are integrally defined on the side of the case 30.

As another embodiment, as shown in fig. 4, the positioning card slot 31 includes a first positioning column 311 and a second positioning column 312, and the first positioning column 311 and the second positioning column 312 form a U-shaped structure with the side surface of the accommodating cavity.

As shown in fig. 3, the middle portion of the soldering lug 20 is disposed in the positioning notch 31.

That is to say, the first positioning column 311 and the second positioning column 312 are respectively disposed at two sides of the side surface of the housing 30, so that the middle portion of the soldering lug 20 can be fitted between the first positioning column 311 and the second positioning column 312, and thus the middle portion of the soldering lug 20 can be integrally disposed in the U-shaped structure of the positioning slot 31, and the soldering lug 20 and the capacitor core 10 are integrally defined on the side surface of the housing 30.

The potting step in the above embodiment is as follows: the welded capacitor core 10 and the soldering lug 20 are integrally sleeved on a positioning clamping groove 31 of the shell 30, and then primary filling and sealing, secondary filling and sealing and curing are carried out, so that the actions of manual installation and disassembly of positioning tools (clips, leatheroid, tools and the like) before and after filling and sealing in a filling and sealing process are omitted; thereby achieving self-positioning.

As an example, the number of solder tabs 20 is the same as the number of positioning card slots 31.

As shown in fig. 1 to 4, the number of the soldering lugs 20 and the number of the positioning card slots 31 are two.

As one example, the case 30 is filled with epoxy to encapsulate the capacitor element 10 in the case 30.

In summary, the capacitor with the self-positioning structure provided by the embodiment of the utility model comprises a capacitor core, a soldering lug and a shell, wherein the soldering lug is welded on the capacitor core; the shell defines a containing cavity, a positioning clamping groove is formed in the side face of the containing cavity, and the soldering lug is arranged in the positioning clamping groove so as to position the capacitor core and the soldering lug; therefore, the positioning clamping groove is formed in the inner side face of the shell to complete the positioning function, so that the encapsulating process is simplified, and the operation is simple; and the positioning effect is good, thereby greatly reducing the reject ratio.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (8)

1. A capacitor with a self-locating structure, comprising:

a capacitor core;

the soldering lug is welded on the capacitor core;

the casing, the casing is injectd and is held the chamber, it is provided with positioning slot to hold the chamber side, the soldering lug sets up in the positioning slot, it is right with the condenser core with the soldering lug advances line location.

2. The capacitor with self-locating feature of claim 1, wherein said solder tab is soldered at one end to said capacitor core and at the other end to said housing.

3. The capacitor with self-positioning structure as claimed in claim 2, wherein said positioning slot is of L-shaped configuration and forms a U-shaped configuration with the side of said receiving cavity.

4. The capacitor with self-locating feature of claim 3, wherein a middle portion of said solder tab is disposed within said locator slot.

5. The capacitor with self-positioning structure as claimed in claim 2, wherein said positioning slot comprises a first positioning column and a second positioning column, and said first positioning column and said second positioning column form a U-shaped structure with the side of said receiving cavity.

6. The capacitor with self-locating feature of claim 5, wherein a middle portion of said solder tab is disposed within said locator slot.

7. The capacitor with self-locating structure of any one of claims 1 to 6, wherein the number of solder tabs is the same as the number of locator card slots.

8. The capacitor with self-locating structure of any one of claims 1 to 6, wherein the housing is filled with epoxy to encapsulate the capacitor core within the housing.

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