Metallic mixed rubber plug

Abstract

This invention relates to a metal-mixed rubber plug that prevents short circuits between the leads and the metal reinforcing plate by forming holes for the cathode and anode leads of a capacitor to pass through and holes for fixing a metal reinforcing plate. The metal-mixed rubber plug for a capacitor according to the invention is made of a rubber body and a metal reinforcing portion integrally formed on the upper end of the body. The body includes two through holes for the anode and cathode leads to pass through, and a plurality of fixing holes disposed at different positions from the through holes. The reinforcing portion includes a main hole having a diameter arranged near the upper end of the through holes, and a secondary hole having a diameter adjacent to the upper end of the fixing holes.

Description

Technical Field

[0001] The present invention relates to a metal-mixed rubber plug for a capacitor, and more specifically, to a metal-mixed rubber plug that prevents short circuits between the leads and the metal reinforcing plate by forming holes for the cathode and anode leads of the capacitor to pass through and holes for fixing a metal reinforcing plate. Background Technology

[0002] To prevent internal electrolyte leakage, the capacitor has a rubber stopper made of rubber at the end of its cylindrical casing to seal the inside. However, due to its flexibility, the rubber stopper can bend under conditions such as high temperatures as the capacitor expands internally, potentially leading to electrolyte leakage.

[0003] To prevent the above problems, such as Figure 1 As shown in (a), a product has been developed in which a metal reinforcing plate 20 is disposed on the upper part of the rubber stopper 10 to prevent the rubber stopper 10 from flexibly bending. However, in the manufacturing process of the rubber stopper 10, in order to form a through hole 12 for the lead wire to pass through while fixing the metal reinforcing plate 20, a forming pin is used for forming. Therefore, the through hole 12 is manufactured with an inclined surface formed on the upper inner side, and the uppermost end of the inclined portion of the through hole 12 has a structure that contacts the metal reinforcing plate 20.

[0004] The existing rubber stopper with the above structure has an inclined surface formed at the upper end of the through hole 12, and the metal reinforcing plate 20 is disposed adjacent to the uppermost end of the inclined surface. Therefore, as Figure 1 As shown in (b), when the lead wire passing through the through hole 12 bends, the lead wire will come into contact with the metal reinforcing plate 20, which may cause a short circuit.

[0005] Therefore, there is an urgent need for a metal-rubber hybrid plug that can stably and firmly fix the metal reinforcing plate during the rubber plug molding process, while preventing short circuits between the lead wire and the metal reinforcing plate. Summary of the Invention

[0006] Technical issues The present invention is proposed to solve the above-mentioned problems, and its purpose is to provide a metal-mixed rubber plug with a structure that can prevent short circuits between the cathode and anode leads and the metal reinforcing plate.

[0007] Another object of the present invention is to provide a metal-rubber hybrid plug that enhances the adhesion between a rubber sheet and a metal reinforcing plate.

[0008] Furthermore, other objectives not explicitly stated in this invention may be further considered within the scope that can be readily deduced from the following detailed description and its effects.

[0009] Technical solution The metal-rubber plug for a capacitor according to the present invention is made of a rubber body and a metal reinforcing part integrally formed on the upper end of the body. The body includes two through holes for anode and cathode leads to pass through, and a plurality of fixing holes disposed at different positions from the through holes. The reinforcing part may include a main hole having a diameter disposed around the upper end of the through holes, and a secondary hole having a diameter disposed around the upper end of the fixing holes.

[0010] The through hole and the fixing hole can be arranged in a direction orthogonal to each other along their extension lines, and the fixing hole can be manufactured to be inclined downward from the uppermost end inward.

[0011] Beneficial effects According to the metal-mixed rubber plug of the present invention, since the area around the uppermost end of the through hole of the main body and the area around the uppermost end of the main hole of the reinforcing part are arranged at a certain length interval, even if the lead wire passing through the through hole bends, it will not come into contact with or be adjacent to the main hole of the reinforcing part, thereby having the effect of safely preventing short circuits caused by the lead wire coming into contact with the reinforcing part.

[0012] Furthermore, since the through holes and fixing holes of the main body and the main holes and auxiliary holes of the reinforcing part are formed in a step-like manner, it has the effect of improving the adhesion between the main body and the reinforcing part. Attached Figure Description

[0013] Figure 1 (a) is a three-dimensional view of an existing metal-rubber hybrid stopper. Figure 1 (b) is Figure 1 (a) shows a cross-sectional view of AA.

[0014] Figure 2 This is a perspective view of a metal-mixed rubber stopper according to an embodiment of the present invention.

[0015] Figure 3 This is an exploded perspective view of a metal-mixed rubber stopper according to an embodiment of the present invention.

[0016] Figure 4 (a) is Figure 2 The sectional view of BB shown. Figure 4 (b) is Figure 2 The cross-sectional view of CC is shown. Detailed Implementation

[0017] The objectives, specific advantages, and novel features of the present invention will become clearer from the following detailed description and preferred embodiments, taken in conjunction with the accompanying drawings. Furthermore, the terminology used is defined in connection with the functions of the present invention and may vary depending on the intent or convention of the user or operator. Therefore, the definitions of these terms should be understood within the context of the entire specification.

[0018] When assigning reference numerals to components in the various figures, it should be noted that for the same component, even if it is indicated in different figures, the same component should have as many reference numerals as possible. Furthermore, when describing embodiments of the invention, detailed descriptions of related well-known structures or functions will be omitted if it is determined that such detailed descriptions would obscure the gist of the embodiments of the invention.

[0019] Furthermore, when describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the corresponding components from other components and are not used to limit the nature, order, or sequence of the corresponding components. When it is stated that a component is "connected," "joined," or "engaged" with another component, it should be understood that the component can be directly connected or joined to another component, or that other components can be "connected," "joined," or "engaged" between the components.

[0020] The structure and function of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] Figure 2 A perspective view of a metal-mixed rubber stopper 100 according to an embodiment of the present invention is shown. Figure 3 An exploded perspective view of a metal-mixed rubber stopper 100 according to an embodiment of the present invention is shown. Figure 4 They are shown respectively Figure 2 The cross-sectional views of BB and CC are shown.

[0022] According to an embodiment of the present invention, the metal-mixed rubber stopper 100 is made of a rubber body 200 and a metal reinforcing part 300 integrally formed on the upper end of the body 200.

[0023] The main body 200 includes two through holes 210 for the anode and cathode leads to pass through, and a plurality of fixing holes 220. The through holes 210 are formed during the manufacturing process of the rubber stopper 100 by a molding pin (not shown) provided in the molding apparatus penetrating the interior of the main body 200. The through holes 210 are channels for the cathode and anode leads of the capacitor to pass through. The through holes 210 are formed into a cylindrical shape with the same diameter at the upper and lower ends. Preferably, the main body 200 has two through holes 210, and they can be configured to be spaced apart from each other at predetermined intervals in the left-right or up-down direction on the main body 200.

[0024] The fixing hole 220 is a part formed during the manufacturing process of the rubber stopper 100 by a fixing pin (not shown) provided in the molding device. The fixing pin is a component that allows the auxiliary hole 320 of the reinforcing part 300 to be inserted to fix the position of the reinforcing part 300 when the metal reinforcing part 300 and the rubber sheet formed into the main body part 200 are pressed and molded. In order to allow the auxiliary hole 320 of the reinforcing part 300 to be easily inserted and fixed to the fixing pin, the fixing pin can be manufactured in a shape that is wider at the bottom and narrower at the top.

[0025] The fixing hole 220 can be formed as a groove that penetrates only a portion of the main body 200. The fixing hole 220, formed by a fixing pin that is wider at the bottom and narrower at the top, includes an inclined portion 222 that slopes inward and downward from the uppermost end, and a wall portion 224 extending downward from the inclined portion 222. Preferably, the main body 200 has two fixing holes 220, and they can be configured to be spaced apart from each other at a predetermined interval in the left-right or up-down direction on the main body 200.

[0026] At this time, the through hole 210 and the fixing hole 220 can be arranged in different positions so that their extension lines are orthogonal. For example, when the two through holes 210 are arranged at intervals along the left and right directions of the main body 200, the two fixing holes 220 can be arranged at intervals along the up and down directions of the main body 200.

[0027] The reinforcing part 300 is a plate-like structure made of metal, including multiple main holes 310 and multiple secondary holes 320. The main holes 310 have a diameter arranged around the upper end of the through holes 210. That is, the uppermost periphery of the through holes 210 and the uppermost periphery of the main holes 310 are spaced apart by a certain length. Therefore, even if a lead wire passing through the through holes 210 bends, it will not contact or abut against the main holes 310 of the reinforcing part 300, thus providing the advantage of safely preventing short circuits caused by contact between the lead wire and the reinforcing part 300. Preferably, the reinforcing part 300 has two main holes 310, which can be configured to be spaced apart from each other at a predetermined interval in the left-right or up-down direction on the reinforcing part 300.

[0028] The secondary hole 320 has a diameter surrounding the upper end of the fixing hole 220. That is, the area surrounding the uppermost end of the fixing hole 220 and the area surrounding the uppermost end of the secondary hole 320 can be configured to be adjacent to or in contact with each other. This is because the secondary hole 320 of the reinforcing part 300 is inserted and fixed by a fixing pin (not shown) and then formed, thus the area surrounding the uppermost end of the fixing hole 220 and the uppermost end of the secondary hole 320 are in contact with each other. Preferably, the reinforcing part 300 has two secondary holes 320, and they can be configured to be spaced apart from each other at a predetermined interval along the left-right or up-down direction on the reinforcing part 300.

[0029] At this time, the main hole 310 and the secondary hole 320 can be arranged in different positions so that their extension lines are orthogonal. For example, when the two main holes 310 are arranged at intervals along the left and right directions of the reinforcing part 300, the two secondary holes 320 can be arranged at intervals along the up and down directions of the reinforcing part 300.

[0030] Furthermore, in the metal-mixed rubber plug 100 according to an embodiment of the present invention, since the through hole 210 and fixing hole 220 of the main body 200 and the main hole 310 and secondary hole 320 of the reinforcing part 300 are formed in a step-differential manner, the adhesion between the main body 200 and the reinforcing part 300 is improved.

[0031] The terms "comprising," "constituting," or "having" used above, unless otherwise specified, indicate that the corresponding components may be included. Therefore, they should not be construed as excluding other components, but rather as including other components. All terms, including technical and scientific terms, unless otherwise defined, shall have the meaning commonly understood by one of ordinary skill in the art to which this invention pertains. Commonly used terms, such as those defined in dictionaries, should be interpreted as consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense unless explicitly specified in this invention.

[0032] The above description is merely an example illustrating the technical concept of the present invention. Those skilled in the art can make various modifications and variations without departing from the basic characteristics of the invention. Therefore, the embodiments disclosed in this invention are not intended to limit the technical concept of the invention, but rather to illustrate it, and the scope of the technical concept of the invention is not limited to these embodiments. The scope of protection of this invention should be interpreted by the appended claims, and all technical concepts within their equivalent scope should be understood to be included within the scope of this invention.

Claims

1. A metal-rubber hybrid plug for a capacitor, comprising a rubber body and a metal reinforcing portion integrally formed at the upper end of the body, characterized in that, The main body includes two through holes for the anode and cathode leads to pass through, and multiple fixing holes disposed at different positions from the through holes. The reinforcing part includes a main hole with a diameter arranged around the upper end of the through hole, and a secondary hole with a diameter arranged around the upper end of the fixing hole.

2. The metal-mixed rubber stopper according to claim 1, characterized in that, The fixing hole is manufactured to slope inwards and downwards from the top.

3. The metal-mixed rubber stopper according to claim 1, characterized in that, The through hole and the fixing hole are arranged in a direction orthogonal to each other along their extensions.

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