JP2006060181A - Rivet for sealing plate and sealing plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent kinds of inconvenience caused by the presence of an external terminal on a rivet 3 used for a sealing plate 1 for sealing an opening of an outer case of an electrical element such as a battery, a condenser or a capacitor. <P>SOLUTION: The rivet 3 is used for the sealing plate 1 for sealing the opening of the outer case of the electrical element such as a battery, a condenser or a capacitor. The rivet 3 comprises a protruding portion 3b which passes through a sealing plate body 2 and protrudes outside the sealing plate body 2, and a wire connecting portion 4 is provided on the protruding portion 3b. The wire connecting portion 4 is directly connected with an external wire which can eliminate an external terminal. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a sealing plate for sealing an opening of an exterior case in an electric element such as a battery, a capacitor, or a capacitor, and a rivet used for the sealing plate.

  An electric element such as a battery, a capacitor, or a capacitor has a bottomed cylindrical outer case that houses the element main body, a sealing plate that seals the opening of the outer case, and the sealing plate that penetrates in the thickness direction. There are two rivets and two external terminals fixed to the surface of the sealing plate by the rivets, and electrical wiring outside the element is connected to the external terminals. In a sealing plate used for a large electric element, the sealing plate is made of a resin material, and the rivet used for this is integrated by insert molding. The shaft diameter of the rivet is about 0.5 to 2 cm, and the external terminal and For the mechanical fixing and electrical connection, a female screw is provided at the end of the rivet. On the other hand, in the sealing plate used for the medium-sized electric element, the sealing plate has a laminated structure of resin and rubber, and the shaft diameter of the rivet used for this is 1 cm or less, usually about 0.1 to 0.6 cm. . In the sealing plate used for this medium-sized electric element, the following structure has been conventionally employed for mechanically fixing the rivet and the external terminal to the sealing plate and electrically connecting the rivet and the external terminal.

  That is, Japanese Utility Model Publication No. 52-128049 (Patent Document 1) uses a rivet having a large-diameter flange (flange) at the center in the longitudinal direction and inserts one end of a rivet into a rivet insertion hole provided in an external terminal. Then, by crushing one end of the rivet protruding to the opposite side of the insertion hole, the external terminal is fixed to the rivet, and the other end of the rivet is inserted into the rivet insertion hole provided on the sealing plate, and protrudes to the opposite side of the insertion hole. It has been proposed to fix the rivet to the sealing plate by crushing the other end of the rivet.

  Japanese Patent Laid-Open No. 3-74833 (Patent Document 2) uses a rivet having a large-diameter head at one end, and inserts a rivet from the outside of the sealing plate into a sealing plate and a rivet insertion hole provided in an external terminal. Then, it has been proposed to fix the rivet and the external terminal to the sealing plate by inserting a washer into the rivet end protruding to the opposite side and then crushing the rivet end.

  JP-A-64-719 (Patent Document 3) uses a rivet having a large-diameter collar at the center in the longitudinal direction, and inserts one end of a rivet into a rivet insertion hole provided in an external terminal. Fix the external terminal to the rivet by crushing one end of the rivet protruding to the opposite side of the rivet, and insert the other end of the rivet into the rivet insertion hole provided in the sealing plate, and the other end of the rivet protruding to the opposite side of the insertion hole It has been proposed to fix the rivet to the sealing plate by inserting the washer into the slab and then crushing the other end of the rivet.

  Furthermore, in order to facilitate the electrical connection between the rivet and the external terminal, that is, to reduce the contact resistance, the contact surface of the rivet and the external terminal is joined by resistance welding or ultrasonic welding or soldering. Has been made.

  For example, in Japanese Utility Model Publication No. 6-50333 (Patent Document 4), an external terminal having a protruding piece formed on a joint surface with a rivet, a rivet having a flat portion formed on the head, and the protruding piece on a flat portion. It has been proposed to join an external terminal to a rivet by biting and welding.

  Further, in the above Japanese Patent Application Laid-Open No. 64-719 (Patent Document 3), the external terminal is plated with metal, energized and pressed between one end and the rivet to melt the metal plating, and the external terminal is connected to the rivet. It has been proposed to join.

  Japanese Patent Laid-Open No. 2001-223234 (Patent Document 5) discloses that a burr is provided on the surface of an external terminal in contact with the surface of the sealing plate, and the rivet and the external terminal are inserted into the soft insulating plate of the sealing plate. It has been proposed to join an external terminal to a rivet by welding and bonding.

  However, according to the above prior art, since the external terminal is fixed to the rivet fixed to the sealing plate and the external wiring is connected to the external terminal, there are the following disadvantages.

  Since an external terminal is required in addition to a rivet as a component part of the sealing plate, the number of assembling steps is large, and the cost for parts and assembly is high. Moreover, since there are many connection parts, an electrical energy loss and a noise are easy to generate.

  In addition, since the external terminal is fixed to the rivet, there is a risk that the fixing may be loosened, detached, or peeled off. If this occurs, the contact resistance between the rivet and the external terminal will increase. May cause electrical energy loss and noise.

  In addition, when the external terminal is welded to the rivet, it is normal that the distance between the welded portion and the resin sealing plate is not sufficient, so that the sealing plate may be softened by heat during welding. It may be deformed. In welded parts, there are many cases where the rivet and the external terminal are in surface contact, and the heat diffusion from the weld surface is large, or there are many cases where the heat capacity and thermal conductivity of the rivet and the external terminal are different. The degree of freedom becomes narrow, making process control difficult, and making welding difficult. Further, since the resin of the sealing plate and the metal of the rivet have a large difference in the coefficient of thermal expansion, the degree of adhesion between them is reduced or peeling occurs. In addition, since the metal in the vicinity of the welded portion melts and further volatilizes during welding, the volatile metal may adhere to the element portion and peripheral components, resulting in a decrease in function and performance.

Japanese Utility Model Publication No. 52-128049 Japanese Patent Laid-Open No. 3-74833 JP-A-64-719 Japanese Utility Model Publication No. 6-50333 JP 2001-223234 A

  In view of the above, the present invention provides a sealing plate that can eliminate the above-mentioned various disadvantages caused by the presence of external terminals, that is, the above-described conventional technique has external terminals as components. An object of the present invention is to provide a rivet used for this purpose.

  In order to achieve the above object, a sealing plate rivet according to claim 1 of the present invention is a rivet used for a sealing plate for sealing an opening of an exterior case in an electric element such as a battery, a capacitor, or a capacitor. It has a protruding portion that penetrates the plate body and protrudes to the outside of the sealing plate body, and a wiring connection portion is provided in the protruding portion.

  According to a second aspect of the present invention, there is provided a sealing plate having the rivet according to the first aspect described above, that is, an opening of an outer case in an electric element such as a battery, a capacitor or a capacitor. A rivet used for a sealing plate to be sealed, having a protruding portion that protrudes outside the sealing plate main body through the sealing plate main body, and has a rivet provided with a wiring connection portion on the protruding portion. This relates to a sealing plate that is characterized.

  The present invention has the following effects.

  That is, in the rivet for sealing plate and the sealing plate of the present invention having the above-described configuration, a wiring connecting portion is provided in a protruding portion that penetrates the sealing plate main body and protrudes to the outside of the sealing plate main body. External wiring is connected directly. Therefore, since the external terminals are omitted from the component parts, it is possible to eliminate all the inconveniences caused by the presence of the external terminals. Specifically, it is as follows.

  Since the external terminal is omitted as a component of the sealing plate, the number of assembling steps and costs can be reduced accordingly. Further, since the number of connecting parts is reduced, it is possible to reduce electric energy loss and noise generated.

  Since the external terminal is not fixed to the rivet, there is no need to consider the occurrence of loosening, coming off, or peeling.

  Since the external terminal is not welded to the rivet, the sealing plate will not be softened or deformed by heat during welding, and the degree of freedom in welding conditions will be narrowed, making process control difficult and welding It will not be difficult to do. Further, the degree of adhesion between the sealing plate and the rivet does not decrease, and peeling does not occur. In addition, since no volatile metal is generated by welding, the volatile metal does not adhere to the element part and peripheral parts and does not cause deterioration in function or performance.

  Moreover, since the rivet also serves as an external terminal in terms of function, the sealing plate can be reduced in size.

  The present invention includes the following embodiments.

(1) In a sealing plate integrally formed with a resin material for a sealing plate by inserting a rivet, the rivet penetrates the sealing plate and protrudes from the upper portion of the sealing plate, and an electrical connection portion is formed at the protruding portion of the rivet. ing. The electrical connection portion is used for electrical connection with the outside. The electrical connection portion has, for example, a hollow portion as its shape. The electrical connection portion can be selected depending on the position of the mating connection portion and the assemblability. For example, the electrical connection portion may be on the central axis of the rivet or may have a predetermined angle with respect to the central axis.

(2) The mating connection part provided with the connecting portion is a wiring electric wire (single wire, double wire, stranded wire conductor, etc.), a hard or flexible conductive sheet, a circuit board, a bus bar, etc. . In the case of wiring wires, they are inserted into holes, grooves or slits and electrically connected by soldering / welding. At this time, mechanical bonding may be used in combination by winding an electric wire for wiring around the joint, or applying an external force that crushes the hole or slit during soldering / welding. Further, in the circuit board, the connection part of the present invention is electrically connected to the connected part of the circuit board with solder or the like, or the connection part having a male and female relationship with the connection part of the present invention is formed on the circuit board. In some cases, it is electrically connected by soldering or welding.

(3) When the mating connection part is a conductive sheet or bus bar, a flat part is provided in the wiring connection part at the end of the rivet, and the mating connection part is welded in a state where the mating connection part is in wide surface contact with the flat part ( Ultrasonic welding, resistance welding, etc.) are preferable in terms of connection strength and electrical characteristics. Further, it is more preferable to provide a protrusion on the surface of at least one of the rivet connection portion and the mating connection portion, or to roughen the surface.

(4) Use of flexible mating connection parts can reduce the burden on the connection even when the electrical element is used under conditions with large temperature changes or vibrations. In addition, the degree of freedom of space arrangement after connection can be increased.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows a cross section of the main part of a sealing plate 1 according to an embodiment of the present invention.

  A sealing plate 1 according to the embodiment is a sealing plate 1 used for sealing an opening of an exterior case (not shown) in an electric element such as a battery, a capacitor, or a capacitor, and as a component thereof, It has a resin sealing plate body 2 and at least two conductive rivets 3 integrated with the sealing plate body 2 by insert molding (only one is shown in the figure). . The rivet 3 is provided so as to penetrate the sealing plate main body 2 in the thickness direction (vertical direction in the figure).

(1) Rivet 3 The rivet 3 has an embedded portion 3a embedded in the resin material of the sealing plate main body 2, and the outer side of the sealing plate main body 2 (upper side in the figure) is placed above the embedded portion 3a. The outer projecting portion 3b projecting to the outside is integrally formed, and the outer projecting portion 3b is provided with a wiring connecting portion 4 for directly connecting an external wiring (not shown) outside the electric element. In addition, an inner projecting portion 3c projecting inward (upper and lower sides in the figure) of the sealing plate body 2 is integrally formed at the lower portion of the embedded portion 3a, and internal wiring (inside the electric element) is formed on the inner projecting portion 3c. A wiring connection portion 5 is provided for directly connecting (not shown).

  A metal is used as the material of the rivet 3. As the metal, for example, aluminum, copper, zinc, nickel, iron, or alloys thereof are used, and aluminum is used in the aluminum electrolytic capacitor. In addition, a conductive resin highly filled with conductive particles such as carbon powder and carbon fiber is also used.

  The shape of the rivet 3 is the sealing plate 1 in which the rivet 3 is inserted and formed integrally with the resin material for the sealing plate. The rivet 3 penetrates the sealing plate body 2 and protrudes above and below the sealing plate body 2. In the portion penetrating the main body 2, an annular protrusion 6 is provided on the outer peripheral surface of the rivet 3 so as to be firmly adhered to the sealing plate resin, or a treatment agent that enhances adhesion such as a coupling agent is applied, Alternatively, the rivet 3 and the sealing plate resin can be more firmly adhered to each other by performing a process for roughening the surface. Although there is no restriction | limiting in particular about the processing method of the rivet 3, If a cost aspect is considered, it will select suitably from a header, a press, forging, or cutting. The shapes of the protruding portions 3b and 3c and the wiring connecting portions 4 and 5 are not particularly limited, and a shape suitable for the bonding is appropriately selected according to the shape of the external bonded portion.

First embodiment ...
In the example of FIGS. 1 and 2, the outer protrusion 3b and the inner protrusion 3c are coaxially arranged with respect to the embedded portion 3a. The outer projecting portion 3b is formed in a cylindrical shape, and the wiring connection portion 4 is provided with a hole portion (lateral hole portion) 7 penetrating in the radial direction. Further, the inner projecting portion 3c is also formed in a cylindrical shape, and the wiring connecting portion 5 is provided with a two-sided flat surface portion 8, and a hole (horizontal hole portion) is formed so as to penetrate the flat surface portion 8 in the thickness direction. ) 9 is provided. When connecting external wiring to the outer wiring connection portion 4, the end of the external wiring is inserted into the hole 7, the external wiring is wound around the cylindrical wiring connection portion 4, and soldered or welded as necessary. Fix it.

Second embodiment ...
In the example of FIG. 3, the outer protrusion part 3b and the inner protrusion part 3c are coaxially arrange | positioned with respect to the to-be-embedded part 3a. The outer projecting portion 3b is formed in a cylindrical shape, and the wiring connection portion 4 is provided with a hole portion (lateral hole portion) 7 penetrating in the radial direction. In addition, the inner projecting portion 3 c is also formed in a cylindrical shape, and a two-sided flat surface portion 8 is provided in the wiring connection portion 5, and a notch portion 10 is provided at the tip of the flat surface portion 8.

Third embodiment ...
In the example of FIG. 4, the outer protrusion 3b and the inner protrusion 3c are arranged coaxially with respect to the embedded portion 3a. The outer protruding portion 3b is formed in a cylindrical shape, and a step portion 11 is provided in the wiring connection portion 4 thereof. Further, the inner projecting portion 3 c is also formed in a cylindrical shape, and the step portion 12 is provided in the wiring connection portion 5. The shape of the stepped portions 11 and 12 is adjusted so as to be easily mounted depending on the shape of the external wiring.

Fourth embodiment ...
In the example of FIG. 5, the outer protrusion 3b and the inner protrusion 3c are coaxially disposed with respect to the embedded portion 3a. The outer protruding portion 3b is formed in a cylindrical shape, and a stepped portion 11 is provided in the wiring connecting portion 4, and further, a hole portion (lateral hole portion) 7 penetrating in the radial direction so as to intersect with the stepped portion 11 is provided. Yes. Further, the inner projecting portion 3c is also formed in a cylindrical shape, and a step portion 12 is provided in the wiring connection portion 5, and further, a hole portion (lateral hole portion) 9 penetrating in the radial direction is provided so as to intersect with the step portion 12. It has been. The shape of the stepped portions 11 and 12 is adjusted so as to be easily mounted depending on the shape of the external wiring.

Fifth Example ...
In the example of FIG. 6, the outer protrusion part 3b and the inner protrusion part 3c are coaxially arrange | positioned with respect to the to-be-embedded part 3a. The outer projecting portion 3b is formed in a cylindrical shape, and the wiring connection portion 4 is provided with a groove-like slit portion 13 having a flat- (minus) shape. Further, the inner projecting portion 3c is also formed in a cylindrical shape, and the wiring connecting portion 5 is provided with a two-sided flat surface portion 8, and a hole (horizontal hole portion) is formed so as to penetrate the flat surface portion 8 in the thickness direction. ) 9 is provided.

Sixth Example ...
In the example of FIG. 7, the outer protrusion part 3b and the inner protrusion part 3c are coaxially arrange | positioned with respect to the to-be-embedded part 3a. The outer projecting portion 3b is formed in a cylindrical shape, and the wiring connection portion 4 is provided with a groove-like slit portion 13 having a flat- (minus) shape, and further penetrates in the radial direction so as to intersect with the slit portion 13. A hole (horizontal hole) 7 is provided. Further, the inner projecting portion 3c is also formed in a cylindrical shape, and the wiring connecting portion 5 is provided with a two-sided flat surface portion 8, and a hole (horizontal hole portion) is formed so as to penetrate the flat surface portion 8 in the thickness direction. ) 9 is provided.

Seventh Example ...
In the example of FIG. 8, the outer protrusion part 3b and the inner protrusion part 3c are coaxially arranged with respect to the embedded part 3a. The outer protruding portion 3b is formed in a cylindrical shape, and the wiring connection portion 4 is provided with a groove-like slit portion 14 having a plane + (plus) shape. Further, the inner projecting portion 3c is also formed in a cylindrical shape, and the wiring connecting portion 5 is provided with a two-sided flat surface portion 8, and a hole (horizontal hole portion) is formed so as to penetrate the flat surface portion 8 in the thickness direction. ) 9 is provided.

Eighth Example ...
In the example of FIG. 9, the outer protrusion 3b and the inner protrusion 3c are coaxially arranged with respect to the embedded portion 3a. The outer protruding portion 3b is formed in a cylindrical shape, and a male screw portion 15 is provided in the wiring connection portion 4 thereof. Further, the inner projecting portion 3c is also formed in a cylindrical shape, and the wiring connecting portion 5 is provided with a two-sided flat surface portion 8, and a hole (horizontal hole portion) is formed so as to penetrate the flat surface portion 8 in the thickness direction. ) 9 is provided.

Ninth Example ...
In the example of FIG. 10, the outer protrusion part 3b and the inner protrusion part 3c are coaxially arrange | positioned with respect to the to-be-embedded part 3a. The outer projecting portion 3b is formed in a columnar shape, and a hole (vertical hole) 16 that opens to the tip end surface of the wiring connecting portion 4 is provided coaxially. In addition, the inner projecting portion 3c is also formed in a cylindrical shape, and the wiring connecting portion 5 is provided with a two-sided flat surface portion 8. ) 9 is provided. The hole 16 has a cylindrical inner surface.

Tenth embodiment
In the example of FIG. 11, the outer protruding portion 3 b is coaxially disposed with respect to the embedded portion 3 a, but the inner protruding portion 3 c is disposed so as to be part of the circumference. The outer projecting portion 3b is formed in a cylindrical shape, and a hole (vertical hole) 17 that opens to the tip end surface of the wiring connecting portion 4 is provided coaxially. Moreover, the inner side protrusion part 3c is formed in the flange shape which bent the flat plate in the L shape, and the hole 18 is provided in the flat plate part 3d. The hole 17 has a conical inner surface.

Eleventh Example ...
In the example of FIG. 12, the outer protrusion part 3b and the inner protrusion part 3c are coaxially arranged with respect to the embedded part 3a. The outer protruding portion 3b is formed in a tapered surface tapered toward the upper end, and a hole portion (vertical hole portion) 19 opened on the distal end surface is coaxially provided in the wiring connection portion 4. Further, the inner projecting portion 3c is formed in a tapered surface tapered toward the lower end, and a hole portion (vertical hole portion) (not shown) opened in the tip end surface is coaxially formed in the wiring connection portion 5. Is provided.

  As described above, the shapes of the projecting portions 3b and 3c and the wiring connection portions 4 and 5 can be variously set.

  In addition, as a place common to each said Example, the sealing board main body 2 is shape | molded by flat form as a whole, and as mentioned above, the rivet 3 is integrated by insert molding. The sealing plate body 2 is made of a heat-resistant resin such as a novolac type phenol resin, a resol type phenol resin, a polyphenylene sulfide resin, a polyamide resin, an olefin resin, a polyolefin polymerized with a metallocene catalyst, a polyimide resin, or a polyester resin. Material is used.

  Further, when the step portion 11 and the slit portions 13 and 14 are provided in the wiring connection portion 4 of the rivet 3, a conductive wiring board is connected to the step portion 11 and the slit portions 13 and 14. The connection form will be described below. This wiring board is often used when a plurality of electric elements such as a battery, a capacitor or a capacitor are connected.

  That is, as shown in FIG. 13, when the step portion 11 is provided in the wiring connection portion 4 of the rivet 3, a flat surface (axial direction) parallel to the longitudinal direction (axial direction) of the rivet 3 is provided on the step portion 11. Flat surface) 11a and a flat surface (axis-perpendicular direction flat surface) 11b orthogonal to the longitudinal direction of the rivet 3 are provided so as to intersect with each other. As shown in FIG. 14 and FIG. A conductive wiring board 22 is welded to the axially flat surface 11a, and a plurality (four in the figure) of electric elements 21 are connected in series.

  In addition, as shown in FIG. 16, when the step portion 11 is similarly provided in the wiring connection portion 4 of the rivet 3, a flat surface (axis) parallel to the longitudinal direction (axial direction) of the rivet 3 is provided on the step portion 11. Direction flat surface) 11a and a flat surface (axis-perpendicular direction flat surface) 11b orthogonal to the longitudinal direction of the rivet 3 are provided so as to intersect with each other, as shown in FIG. A conductive wiring board 22 is welded to the directional flat surface 11a, and a plurality (three in the figure) of electric elements 21 are connected in parallel.

  In the case of the series in FIG. 14 and the case of the parallel in FIG. 17, the orientation of the flat surface 11a differs by 90 degrees due to the direction of the wiring board 22 (see FIGS. 13 and 16).

  Further, in both cases of serial connection and parallel connection, the rivet 3 and the wiring board 22 are joined by ultrasonic welding as shown in FIG. 18 (A) or resistance welding as shown in FIG. 18 (B). In the case of ultrasonic welding shown in FIG. 6A, ultrasonic welding is performed in a state where the rivet 3 and the wiring board 22 are sandwiched by a jig 23 composed of a combination of an upper jig 24 and a lower jig 25. In the case of resistance welding shown in FIG. 5B, resistance welding is performed with the rivet 3 and the wiring board 22 sandwiched between electrodes 26 formed by a combination of the upper electrode 27 and the lower electrode 28. Thus, when performing ultrasonic welding or resistance welding, the material of the rivet 3 is preferably pure aluminum or an aluminum alloy. The material of the wiring board 22 may be either a hard conductor or a soft conductor, but is preferably pure copper or a copper alloy having a small voltage drop.

  In addition, as shown in FIG. 19, when a welding projection is provided on one or both of the rivet 3 and the wiring board 22, the bonding strength can be further increased. In FIG. 4A, a welding projection 29 is provided on the wiring board 22, and in FIG. 4B, the welding projection 20 is provided on the flat surface 11a of the rivet 3 as an uneven shape.

  Further, as shown in FIG. 20, when a groove-like slit portion 13 having a flat- (minus) shape is provided in the wiring connecting portion 4 of the rivet 3, as shown in FIG. Then, the conductive wiring board 22 is fitted, and thereafter, caulking, welding, or the like is performed and fixed. Even when the plane- (minus) -shaped slit portion 13 is provided, the direction of the slit portion 13 depends on the direction of the wiring board 22 between the case where the plurality of electric elements 21 are connected in series and the case where they are connected in parallel. It will be different by 90 degrees (FIG. 21 shows a parallel case).

  Further, as shown in FIGS. 23A and 22B, when a groove-like slit portion 14 having a plane + (plus) shape is provided in the wiring connection portion 4 of the rivet 3, as shown in FIGS. Then, a conductive wiring board 22 is fitted into the slit portion 14, and thereafter, caulking, welding, or the like is performed and fixed. When this plane + (plus) -shaped slit portion 14 is provided, a case where a plurality of electric elements 21 are connected in parallel (FIG. 23A) and a case where they are connected in series (FIG. 23B) Since the grooves orthogonal to each other are selectively used, there is no need to change the direction of the slit portion 14, and there is an advantage that the degree of freedom in selecting the connection method (whether it is used in parallel or in series) is increased. .

  Although not shown, if the wiring board 22 is provided with a convex portion, the convex portion is fitted into the holes 16 and 17 and the hole portion 19 of the rivet 3 and then fixed by performing welding or the like. Thus, a plurality of electric elements can be connected.

When the rivet 3 and the wiring board 22 are welded as described above, the following effects are exhibited.
(1) Since the loosening of the screw which tends to occur when the wiring board 22 is screwed to the rivet 3 can be prevented in advance, it is possible to avoid a disconnection trouble.
(2) In the case of screwing, it is necessary to add the weight of the screw. However, since the screw is unnecessary, the weight can be reduced. Can do.
(3) Since screw processing is not required, the screw processing step can be reduced, so that the effect of reducing the cost of the rivet 3 or the sealing plate 1 alone can be expected.

Sectional drawing of the principal part of the sealing board which concerns on 1st Example of this invention. It is the single item figure of the rivet used for the sealing board which concerns on the Example, The figure (A) is the perspective view, The figure (B) is a B direction arrow line view in the figure (A). The perspective view of the rivet used for the sealing board which concerns on 2nd Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 3rd Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 4th Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 5th Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 6th Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 7th Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 8th Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 9th Example of this invention The perspective view of the rivet used for the sealing board which concerns on 10th Example of this invention. The perspective view of the rivet used for the sealing board which concerns on 11th Example of this invention. The principal part perspective view of the sealing board which concerns on 3rd Example of this invention. The perspective view which shows an example of an electrical element connection form Partial enlarged view of FIG. The principal part perspective view of the sealing board which concerns on 3rd Example of this invention. The perspective view which shows the other example of an electrical element connection form It is a figure which shows the welding process of a rivet and a wiring board, Comprising: (A) is explanatory drawing of ultrasonic welding, (B) is explanatory drawing of resistance welding. It is a figure which shows the example which added the protrusion for welding to the welding part of a rivet and a wiring board, (A) is explanatory drawing at the time of adding the welding protrusion to the welding part of a wiring board, (B) is welding of a rivet Explanatory diagram when welding projection is added to the part The principal part perspective view of the sealing board which concerns on 5th Example of this invention. The perspective view which shows the other example of an electrical element connection form The principal part perspective view of the sealing board which concerns on 7th Example of this invention. It is a perspective view which shows the other example of an electrical element connection form, Comprising: (A) is a perspective view at the time of connecting a some electrical element in parallel, (B) is a perspective view at the time of connecting a some electrical element in series Figure

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sealing plate 2 Sealing plate main body 3 Rivets 3a Embedded part 3b Outer protrusion part (protrusion part)
3c Inner protruding portion 3d Flat plate portion 4, 5 Wiring connection portion 6 Protrusion 7, 9, 18 Hole portion 8 Flat portion 10 Notch portion 11, 12 Step portion 11a, 11b Flat surface 13, 14 Slit portion 15 Male screw portion 16, 17 , 19 Hole 20, 29 Welding projection 21 Electrical element 22 Wiring board 23 Welding jig 24 Upper jig 25 Lower jig 26 Welding electrode 27 Upper electrode 28 Lower electrode

Claims (2)

A rivet (3) used for a sealing plate (1) for sealing an opening of an exterior case in an electric element such as a battery, a capacitor or a capacitor,
It has a protruding part (3b) that penetrates the sealing plate body (2) and protrudes outside the sealing plate body (2), and a wiring connection part (4) is provided in the protruding part (3b). Rivets for sealing plates.   A sealing plate comprising the rivet (3) according to claim 1.

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