CN216450516U

CN216450516U - Capacitor with self-positioning structure

Info

Publication number: CN216450516U
Application number: CN202122529408.6U
Authority: CN
Inventors: 潘建军; 林骁恺; 戴祥; 周鹏飞; 袁超
Original assignee: XIAMEN FARATRONIC CO Ltd
Current assignee: XIAMEN FARATRONIC CO Ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-06
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a capacitor with a self-positioning structure, which comprises a capacitor core, a soldering lug, a shell and a positioning plate, wherein one end of the soldering lug is welded on the capacitor core; the shell defines an accommodating cavity, the capacitor core is arranged in the accommodating cavity, and the other end of the soldering lug is arranged outside the shell; the positioning plate is arranged between the capacitor core and the soldering lug and is matched with the shell so as to position the capacitor core and the soldering lug on the shell; therefore, the positioning function is completed through the positioning plate, 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 position of modes such as leatheroid with fixed condenser core and soldering lug between condenser core and plastic casing through the iron clamp, then take off the iron clamp after carrying out the first time embedment and carry out embedment and solidification for the second again, this mode operation is complicated, waste time and energy, and it is easy not hard up and be difficult to the management and control to press from both sides the clamp, 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, which completes the positioning function through the positioning plate, thereby simplifying the encapsulation process and simplifying the operation; 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; one end of the soldering lug is welded on the capacitor core; the capacitor core is arranged in the accommodating cavity, and the other end of the soldering lug is arranged outside the shell; and the positioning plate is arranged between the capacitor core and the soldering lug and is matched with the shell so as to position the capacitor core and the soldering lug on the shell.

The capacitor with the self-positioning structure comprises a capacitor core, a soldering lug, a shell and a positioning plate, wherein one end of the soldering lug is welded on the capacitor core; the shell defines an accommodating cavity, the capacitor core is arranged in the accommodating cavity, and the other end of the soldering lug is arranged outside the shell; the positioning plate is arranged between the capacitor core and the soldering lug and is matched with the shell so as to position the capacitor core and the soldering lug on the shell; therefore, the positioning function is completed through the positioning plate, 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, the positioning plate is detachably disposed between the capacitor core and the soldering lug.

Optionally, a groove is formed in the positioning plate, a fixing block is arranged on the shell, and the fixing block is matched with the groove to position the capacitor core and the soldering lug on the shell.

Optionally, the groove is slidably engaged with the fixing block, so that the positioning plate is detachably disposed between the capacitor core and the soldering lug.

Optionally, the housing is filled with epoxy to encapsulate the capacitor core and the alignment plate within the housing.

Drawings

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

FIG. 2 is a schematic diagram of a completed potting of a capacitor with a self-locating structure according to one embodiment of the utility model;

FIG. 3 is an exploded view of a capacitor with a self-locating feature according to one embodiment of the present invention;

fig. 4 is an exploded view from another perspective of a capacitor with a self-aligned structure in accordance with one 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 drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

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 the self-positioning structure according to the embodiment of the present invention includes a capacitor core 10, a solder tab 20, a case 30, and a positioning plate 40.

Wherein, one end of the soldering lug 20 is welded on the capacitor core 10; the housing 30 defines an accommodating cavity 31, the capacitor core 10 is arranged in the accommodating cavity 31, and the other end of the soldering lug 20 is arranged outside the housing 30; the positioning plate 40 is disposed between the capacitor core 10 and the tab 20 and cooperates with the case 30 to position the capacitor core 10 and the tab 20 on the case 30.

As one embodiment, the positioning plate 40 is detachably disposed between the capacitor core 10 and the tab 20.

It should be noted that, when one end of the soldering lug 20 is soldered on the capacitor core 10, a certain gap is reserved between the soldering lug and the capacitor core 10 to accommodate the positioning plate 40, so that the positioning plate 40 can move up and down in the gap.

As an embodiment, the positioning plate 40 is provided with a groove 41, the housing 30 is provided with a fixing block 32, and the fixing block 32 is fitted with the groove 41 to position the capacitor core 10 and the tab 20 on the housing 30.

It should be noted that the recess 41 is disposed at the middle portion of the side surface of the positioning plate 40, and the fixing block 32 is disposed at the middle portion of the inner side surface of the housing 30.

As an embodiment, the groove 41 is slidably engaged with the fixing block 32 so that the positioning plate 40 is detachably disposed between the capacitor element 10 and the tab 20.

It should be noted that, as shown in fig. 3, the fixing block 32 has a trapezoidal structure, and the groove 41 has a shape matching the trapezoidal structure of the fixing block 32.

As one embodiment, the case 30 is filled with epoxy to enclose the capacitor core 10 and the alignment plate 40 within the case 30.

The capacitor with the self-positioning structure can be suitable for capacitor cores and soldering lugs in various size ranges and is arranged in a plastic shell after being welded, so that self-positioning is realized; partial process actions in the filling and sealing process are omitted: and (5) manually installing and disassembling the positioning tool before and after potting. The filling and sealing process of the capacitor with the self-positioning structure acts as follows: the positioning plate 40 is inserted between the welded capacitor core 10 and the soldering lug 20, and then the whole is put into the case 30, and finally the first potting, the second potting and the curing are performed.

In summary, the capacitor with the self-positioning structure provided by the embodiment of the utility model comprises a capacitor core, a soldering lug, a shell and a positioning plate, wherein one end of the soldering lug is welded on the capacitor core; the shell defines an accommodating cavity, the capacitor core is arranged in the accommodating cavity, and the other end of the soldering lug is arranged outside the shell; the positioning plate is arranged between the capacitor core and the soldering lug and is matched with the shell so as to position the capacitor core and the soldering lug on the shell; therefore, the positioning function is completed through the positioning plate, 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 otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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 schematic representations of the terms used above should not be understood to necessarily refer 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

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

a capacitor core;

one end of the soldering lug is welded on the capacitor core;

the capacitor core is arranged in the accommodating cavity, and the other end of the soldering lug is arranged outside the shell;

and the positioning plate is arranged between the capacitor core and the soldering lug and is matched with the shell so as to position the capacitor core and the soldering lug on the shell.

2. The capacitor with self-positioning structure of claim 1, wherein said alignment plate is removably disposed between said capacitor core and said solder tab.

3. The capacitor with self-positioning structure of claim 2 wherein said alignment plate has a recess and said housing has a mounting block, said mounting block cooperating with said recess to position said capacitor core and said solder lug on said housing.

4. The capacitor with self-positioning structure as claimed in claim 3, wherein said recess is slidably engaged with said fixing block so that said positioning plate is detachably disposed between said capacitor core and said solder tab.

5. The capacitor with self-positioning structure of claim 1, wherein said housing is filled with epoxy to encapsulate said capacitor core and said alignment plate within said housing.