JP2009123565A - Installation structure of fuse, and forming method of installation case - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installation structure of a fuse capable of preventing surely insertion of a fuse with different rated capacity and its installation case. <P>SOLUTION: This is a fuse box structure 1 which is composed of fuses 10 which are constructed of an insulating housing 13 having terminals 11 fixed in parallel of which a part is arranged so as to project in the same direction and have a blown-out part 12 to connect electrically the terminals 11 arranged inside, and have rated capacity defined corresponding to the blown-out part 12 and a fuse installation case 20 having a socket 21 to permit installation of the fuse of a prescribed capacity. An engagement projection part 14 arranged at a location corresponding to the rated capacity is provided at the fuse 10 and an engaged hole part 25 which is provided at a position engaging with the engagement projection part 15 of the fuse 10 of the rated capacity permitted to be installed on the socket 21 is formed in an interchangeable engaging shape having the all engaged hole parts 25 of the location corresponding to each rated capacity, and the socket 21 is so formed, and a filling block 30 is filled in the engaged hole part 25 that is not used. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to, for example, a fuse mounting structure and a mounting case thereof installed together with electrical components equipped in a vehicle or the like.

  In addition to devices related to traveling, vehicles are equipped with many safety devices and electrical components for improving the comfort of the vehicle, and fuses are provided to protect each device from overcurrent. With the diversification of these electrical components, it is necessary to install a large number of fuses having a plurality of types of fuse capacities.

  As described above, a fuse box used in an automobile or the like that requires a large number of fuses is usually disposed in an invisible place such as an engine room, a driver's seat, or a glow box. And many sockets electrically connected with each electrical component are provided, and a fuse of a predetermined capacity is fitted into each socket.

  If a fuse with a capacity other than the specified capacity is set in each socket, the electrical components cannot be reliably protected from overcurrent and cannot be operated reliably. Therefore, in order to prevent the insertion of fuses with different capacities, In addition to changing the color of the fuse housing, the fuse capacity is displayed on the housing so that the fuse capacity of each fuse can be identified.

  However, since the fuses are formed in the same shape regardless of the fuse capacity, it is possible to physically fit a fuse other than a predetermined capacity, and completely prevent erroneous insertion of fuses having different fuse capacities. There wasn't.

Under such circumstances, there has been proposed a fuse mounting device for preventing erroneous insertion of fuses having different fuse capacities (see Patent Document 1).
This fuse mounting device is configured with different housing thickness depending on the fuse capacity, and the fuse is formed so that the smaller fuse is thicker than the larger capacity fuse, and the socket of the fuse box has a predetermined capacity. The fuse can be inserted.

  As a result, it is possible to prevent a fuse with a small fuse capacity formed with a thick housing from fitting into a socket for a fuse with a large fuse capacity formed with a thin thickness, but a large fuse capacity with a thin housing thickness formed. It was not possible to prevent the fuse from being inserted into a socket for a fuse having a small fuse capacity and a small thickness.

JP 2001-250466 A

  It is an object of the present invention to provide a fuse mounting structure and its mounting case that can reliably prevent the insertion of fuses having different fuse capacities.

  The present invention has a plurality of terminals arranged in parallel and the terminal fixed so that each part protrudes in the same direction, and has an insulating property provided therein with a fusing part for electrically connecting the terminals to each other. The fuse mounting structure is composed of an insulating housing, a fuse having a fuse capacity determined according to the blown portion, and a fuse mounting case having a socket that allows mounting of the fuse having a predetermined fuse capacity. And a fitting means formed with a unique arrangement and / or shape corresponding to the fuse capacity, and the socket is fitted with the fitting means of a fuse allowed to be attached to the socket. It is configured to be capable of being fitted, and includes a fitted means formed with a unique arrangement and / or shape corresponding to the fuse capacity.

  As an aspect of the present invention, there is provided a plurality of corresponding mating means that allows fitting of at least two types of fuse capacity fitting means among a plurality of types of fitting means formed according to the fuse capacity to the socket. The fitting means that is formed and fitted with the fitting means of the fuse that is allowed to be mounted in the socket may be provided with a modifying means that modifies the multiple-compatible fitting means.

  Further, as an aspect of the present invention, the fitting means is constituted by a fitting convex portion formed in the insulating housing, the fitting means is constituted by a fitting concave portion formed in the socket, and A plurality of corresponding mating means are configured by a plurality of the fitted recesses, and the modification means is not used among the plurality of mating recesses arranged in the plurality of corresponding mating means. It can be comprised with the loading means loaded in a to-be-fitted recessed part.

  The present invention also relates to a method for forming a fuse mounting case having a socket that allows mounting of a fuse having a fuse capacity determined according to a fusing part provided in the interior, and the socket mounting includes mounting to the socket. A plurality of types of fitting means formed according to the fuse capacity are provided with fitting means that can be fitted with fitting means formed in a specific arrangement and / or shape according to the fuse capacity of the fuse allowed. Among them, a plurality of corresponding mating means that allow fitting with fitting means having at least two types of fuse capacities is formed, and the plural corresponding mating means is modified and formed.

  As an aspect of the present invention, the fitting means is constituted by a fitting convex portion formed in the insulating housing, the fitting means is constituted by a fitting concave portion formed in the socket, and the plurality of correspondences A mold fitting means is configured by a plurality of the fitted recesses, and the modification means is not used among the plurality of fitted recesses arranged in the plurality of corresponding mold fitted means. It can be constituted by loading means for loading in the mating recess.

  The present invention also provides a mounting case forming mold for forming a fuse mounting case having a socket that allows the mounting of a fuse having a fuse capacity determined according to a fusing part provided therein, and according to the fuse capacity. A concave fitting portion is formed on a socket forming portion that forms the socket including a concave fitting portion that can be fitted with a convex fitting portion provided in the fuse having a unique arrangement and / or shape. The recess forming pin to be formed is detachably provided.

The fuse includes a so-called blade type low-profile fuse, a flat fuse, or a mini flat fuse.
The fuse capacity is a rated capacity such as 1.0A, 2.0A, 3.0A, 4.0A, 5.0A, 7.5A, 10A, 15A, 20A, 25A, 30A, or 40A. Point to.

  According to the present invention, it is possible to provide a fuse mounting structure and its mounting case that can reliably prevent the insertion of fuses having different fuse capacities.

  First, the fuse box structure 1 will be described with reference to FIGS. 1 is a perspective view of the fuse box structure 1, FIG. 2 is an explanatory view of the fuse box structure 1 according to a plan view, and FIG. 3 is a front view and a longitudinal sectional view of the fuse 10 of the fuse 10 and the fuse 10. FIG. 4 is an explanatory view for explaining the fitting into the socket 21, and FIG. 4 is an explanatory view with a plan view of the method for forming the socket 21.

  The fuse box structure 1 includes a fuse 10 having a rated capacity determined according to the fusing part 12 and a fuse mounting case 20 having a socket 21 that allows mounting of the fuse 10 having a predetermined rated capacity.

  The fuse 10 is fixed so that two terminals 11 arranged in parallel and a part of the terminals 11 protrude in the same direction, and a fusing part 12 that electrically connects the terminals 11 to each other is accommodated in the fusing part inside. The insulating housing 13 having insulating properties housed in the space 15 is used.

  In addition, the fuse 10 includes a fitting protrusion 14 disposed at a specific position corresponding to the rated capacity, and can be fitted to the fitting protrusion 14 of the fuse 10 that is allowed to be mounted in the socket 21. And a to-be-fitted hole portion 25 arranged at a specific position corresponding to the rated capacity.

  In addition, the said socket 21 arrange | positions the some to-be-fitted hole part 25, and accept | permits fitting with the fitting protrusion 14 of all the arrangement | positioning among the several types of arrangement | positioning formed according to the said rated capacity. The compatible fitted shape was formed, and the compatible fitted shape was modified by the loading block 30 to form the fitted hole portion 25 arranged at a position corresponding to a predetermined capacity.

  In addition, the fitting protrusion 14 was constituted by a convex portion formed in the insulating housing 13, and the fitting hole portion 25 was constituted by a concave portion formed in the socket 21.

  Moreover, the said compatible fitting shape is comprised by the recessed part arrange | positioned in the socket 21, and the recessed part which is not used among the several recessed parts which have arrange | positioned the said loading block 30 in a compatible fitting shape. To be loaded.

  The above configuration will be described in detail below. The fuse box structure 1 is configured by inserting fuses 10 having various rated capacities into respective sockets 21 arranged in 2 columns × 10 rows provided in the fuse mounting case 20.

  As shown in FIG. 3, the fuse 10 includes an insulating housing 13 made of a synthetic resin and having an insulating property, a pair of metal terminals 11 that are parallel to each other at each end in the width direction of the insulating housing 13, and a terminal 11 and is formed in an inverted U shape, and is constituted by a fusing portion 12 that electrically connects the terminals 11 to each other. The terminal 11 and the fusing part 12 are integrally formed of a plate-like zinc alloy.

  The insulating housing 13 is formed in a front view T-shape composed of an upper surface flange portion 13a and a main body 13b, and fixes the upper portions of the terminals 11 arranged in parallel at a predetermined interval, and the fusing portion 12 is provided inside the main body 13b. The fusing part accommodation space 15 which accommodates is formed.

  The upper surface flange portion 13a is formed in a thin plate shape having a width protruding from both left and right outer sides of the terminals 11 arranged in parallel on the left and right sides and a depth of about four times the thickness of the terminals 11. The main body 13b is formed with a width of about half of the upper surface flange portion 13a and a depth of about 2/3, and is disposed so as to be flush with the front surface of the upper surface flange portion 13a.

  In the fuse 10 configured as described above, the terminals are energized through the fusing part 12, but when an excessive current exceeding the capacity of the fusing part 12 flows, the fusing part 12 is melted to electrically connect the terminals to each other. Cut off.

  In addition, the rated capacity according to the capacity | capacitance of the fusing part 12 is set to the fuse 10, and the set rated capacity is displayed on the upper surface flange part 13a. In this embodiment, as shown in FIGS. 1 and 2, fuses 10 (10a, 10b, 10c, 10d, 10e, 10f) with rated capacities of 7.5A, 10A, 15A, 20A, 25A and 30A are used. In addition, fuses with rated capacities of 1.0 A, 2.0 A, 3.0 A, 4.0 A, 5.0 A, and 40 A are in circulation.

  The insulating housing 13 of the fuse 10 includes a fitting protrusion 14. Specifically, the fitting protrusion 14 that protrudes in the depth direction and downward from the upper surface flange portion 13a of the insulating housing 13 is integrally formed with the insulating housing 13 at a position corresponding to each rated capacity.

  As shown in FIG. 2, the fitting protrusion 14 is disposed on either the back side of the upper surface of the upper surface flange portion 13 a that is above the rated capacity display or the front side that is below the display, and the rated capacity is 7. The fuse 10a set to 5A is the left side, the fuse 10b whose rated capacity is set to 10A is the center in the back, the fuse 10c whose rated capacity is set to 15A is the right side, and the fuse 10d whose rated capacity is set to 20A. Is the front left side, the fuse 10e with the rated capacity set to 25A is located at the front center, and the fuse 10f with the rated capacity set to 30A is located on the front right side.

  The fuse mounting case 20 is a box that is formed by injection molding of a synthetic resin and has an open upper surface as shown in FIG. Two mounting grooves 26 are provided inside, and ten sockets 21 are provided in each mounting groove 26 with a predetermined interval in the depth direction. Although not shown, the fuse mounting case 20 is covered with an openable / closable lid, and the rated capacity of the fuse 10 fitted in each socket 21 is displayed on the lid.

  Each socket 21 into which the fuse 10 is fitted is formed with a flange portion fitting groove 22 into which the upper surface flange portion 13 a of the fuse 10 is fitted and a downward hole at a position corresponding to the terminal 11 of the fuse 10. A terminal insertion hole 23 to be allowed and a body insertion part 24 formed at a position and shape corresponding to the body 13b between the terminal insertion holes 23 (see an enlarged view of a part in FIG. 2).

  And since the circuit terminal of the electrical component electrically connected with the electrical component with which the vehicle which installs the fuse box structure 1 is installed is mounted in the terminal insertion hole 23 (illustration omitted), When the fuse 10 is fitted into the socket 21 in such a manner that the terminal 11 is inserted, the terminal 11 and the circuit terminal of the electrical component are electrically connected, and the electrical circuit of the electrical component connects the terminal 11 and the fusing part 12 of the fuse 10. It is established through.

  Therefore, when an overcurrent exceeding the rated capacity of the fuse 10 flows in the electrical circuit of the electrical component, the fusing part 12 is melted and the electrical circuit is shut off, and the electrical component can be protected from the overcurrent.

  As described above, the rated capacity of the fuse is set for each socket 21 in accordance with the electrical component connected to the mounted circuit terminal, and it is necessary to prevent the insertion of the fuse 10 other than the rated capacity. .

  Therefore, a fitting hole portion 25 that allows insertion of the fitting protrusion 14 is provided along the flange portion fitting groove 22 of the socket 21. The fitted hole 25 is arranged at a position corresponding to the arrangement of the fitting projection 14 corresponding to the rated capacity of the fuse 10.

  Specifically, as shown in FIG. 2B, the fitting hole 25 is arranged either on the back side above the socket 21 or on the near side below the socket 21, and has a rated capacity of 7.5A. The socket 21a into which the fuse 10a is fitted is located on the far left side, the socket 21b into which the fuse 10b with the rated capacity 10A is fitted is located at the center on the back side, the socket 21c into which the fuse 10c with the rated capacity 15A is fitted is located on the far left, and the fuse 10d with the rated capacity 20A is fitted. The socket 21d is disposed on the front left side, the socket 21e into which the fuse 10e with the rated capacity 25A is fitted is disposed at the front center, and the socket 21f into which the fuse 10f with the rated capacity 30A is fitted is disposed on the front left side.

  Thereby, it is possible to prevent the fuse 10 from being fitted into the socket 21 whose positions of the fitted hole portion 25 and the fitting protrusion 14 do not coincide with each other. In addition, since the main body 13b is formed asymmetrically in the depth direction so as to be flush with the front surface of the upper surface flange portion 13a, when the fuse 10 is fitted in the front side and the back side by mistake, the main body 13b is It cannot be inserted into the insertion portion 24 and cannot be fitted. Therefore, the insertion of the fuse 10 other than the set rated capacity into the socket 21 with the set rated capacity can be reliably prevented.

  Therefore, even when the fuse box structure 1 is installed in a dark place where it is difficult to work in the dark such as the engine room or the feet of the driver's seat, the fuses 10 having the set rated capacity are surely secured in the plurality of sockets 21 arranged. The electrical component connected to the circuit terminal mounted in the socket 21 can be reliably protected from overcurrent and can be reliably operated.

  In addition, as shown in FIG. 4, the socket 21 in which the mating hole portion 25 is arranged at a specific position according to the set rated capacity has the mating hole portion 25 at all positions according to each rated capacity. The socket 21 is once formed in a compatible fitting shape arranged in the above, and the loading block 30 is loaded into the fitting hole portion 25 that is not used.

  The present embodiment will be described in detail. At the time of injection molding of the fuse mounting case 20, as shown in FIG. 4A, the fuses 10a to 10a having six types of rated capacities along the flange insertion grooves 22 of the socket 21 are shown. All six locations corresponding to the positions of the fitting protrusions 10f are provided with the fitting hole portions 25, and the socket 21 is formed in a compatible fitting shape that can be fitted in any of the fuses 10. .

  In this state, as shown in FIG. 4B, for example, when the socket 21 is set to the rated capacity 10A, in order to prevent the insertion of other than the fuse 10b, the fitted hole portion 25 in the center on the back side. The loading block 30 is loaded into the mating hole 25 other than the above.

As shown in FIG. 4C, the unique position corresponding to the fitting protrusion 14 of the fuse 10b of the rated capacity 10A set in the socket 21 by the loading block 30 to the fitting hole 25 which is not used is used. The socket 21b which has the to-be-fitted hole part 25 arrange | positioned in can be formed.
The loading block 30 may be loaded by adhering and fixing the loading block 30 to the fitted hole portion 25 with an adhesive, or may be detachable.

  With this configuration, the fuse mounting case 20 having the compatible fitted socket 21 in which any fuse 10 can be fitted is formed, and each socket is set according to the vehicle in which the fuse mounting case 20 is mounted. The rated capacity of 21 is set, and according to the set rated capacity, the loading block 30 is loaded into the fitting hole portion 25 that is not used, and the socket 21 corresponding to the set rated capacity can be formed.

  Therefore, since it is possible to form the fuse mounting case 20 having the socket 21 set to a desired rated capacity in the loading block 30 without forming each fuse mounting case 20 according to the type of vehicle and the type of electrical equipment to be equipped. The fuse mounting case 20 can be used, and the mounting case forming mold for forming the fuse mounting case 20 can be shared, and the production cost of the fuse mounting case 20 can be reduced.

  Moreover, as another embodiment of the method of forming the socket 21 having the fitted hole portion 25 corresponding to the set rated capacity, as shown in FIG. 5, the socket formation for forming the socket 21 by injection molding A mold 41 may be used. FIG. 5 is an explanatory view of a socket forming mold for forming a socket in the present embodiment.

  The socket forming mold 41 is a part of a mounting case forming mold for forming the fuse mounting case 20, and is integrally configured between the mounting groove forming molds 50 that form the mounting grooves 26.

  The socket forming mold 41 forms a flange portion insertion groove formation portion 42 that forms the flange portion insertion groove 22, a flange portion insertion groove formation portion 43 that forms the terminal insertion hole 23, and the main body insertion portion 24. The main body insertion part forming part 44 and the flange part fitting groove forming part 42 are configured to be detachable at predetermined positions, and are configured to be fitted hole part forming pins 45 that form the fitted hole parts 25, and are fitted. By mounting the mating hole forming pin 45 at a desired position, it is possible to form the socket 21 in which the fitting hole 25 is arranged at a position corresponding to a desired rated capacity.

  More specifically, in this embodiment, as shown by a dotted line in FIG. 5, the to-be-fitted hole portion forming pin 45 has six types of rated capacity fuses 10 a to 10 a along the edge of the flange portion fitting groove forming portion 42. The to-be-fitted hole forming pins 45 can be mounted at six locations corresponding to the positions of the fitting protrusions 14f.

  For example, in order to form the socket forming die 41 for forming the socket 21b set to the rated capacity 10A, as shown in FIG. A fitting hole forming pin 45 is attached. Then, by using the socket forming die 41 having the fitting hole portion forming pin 45 mounted at the center in the back side of the flange portion fitting groove forming portion 42, the fuse 10b of the rated capacity 10A set in the socket 21 is set. It is possible to form the socket 21b in which the fitting hole portion 25 is disposed at a position corresponding to the fitting protrusion 14.

  With this configuration, the fuse mounting case 20 in which the rated capacity of each socket 21 is set according to the vehicle in which the fuse mounting case 20 is mounted is used as the mounting case forming mold including the same socket forming mold 41. The socket 21 in which the hole-to-be-fitted portion 25 is arranged at a position corresponding to the set rated capacity by mounting the fitting-hole forming pin 45 at a position corresponding to the fitting protrusion 14 of the fuse 10 having the rated capacity. A fuse mounting case 20 having the following can be formed.

  Therefore, a desired rating can be obtained by mounting the mating hole forming pin 45 at an appropriate position of each socket forming die 41 without forming each die according to the vehicle type and the type of electrical equipment to be equipped. The fuse mounting case 20 having the socket 21 set to the capacity can be formed, and the production cost of the fuse mounting case 20 can be reduced.

  In this embodiment, the socket forming mold 41 configured as a part of the mounting case forming mold has been described. However, the socket forming mold 41 may be configured independently of the mounting case forming mold. .

  In the first and second embodiments, the fitting protrusion 14 and the fitting hole 25 are arranged at six positions corresponding to the six kinds of fuses 10a to 10f. You may comprise by arrangement | positioning less than.

  Or the structure which arrange | positions the some to-be-fitted hole part 25 in the socket 21, and accept | permits the insertion of the fuse 10 below the rated capacity set to the said socket 21 may be sufficient. According to this configuration, when the fuse 10 having the rated capacity is replaced, even if the fuse 10 having the rated capacity is not present, if the fuse 10 having the rated capacity or less is quickly inserted into the socket 21, Although the electrical component connected to the socket 21 cannot be operated in a state of exhibiting a sufficient function, it is possible to reliably prevent an overcurrent exceeding the rated capacity from flowing through the electrical component.

As described above, in the correspondence between the configuration of the present invention and the above-described embodiment,
The fitting means of the present invention corresponds to the fitting protrusion 14,
Similarly,
The fitted means corresponds to the fitted hole 25,
The fuse mounting structure corresponds to the fuse box structure 1,
Multiple compatible mating means correspond to compatible mating shapes,
The modifying means and the loading means correspond to the loading block 30,
The multi-corresponding type fitting means forming portion corresponds to the flange portion fitting groove forming portion 42 that can be fitted with the fitting hole forming pins 45 at six locations,
The mold modifying means and the recess forming pin correspond to the fitted hole forming pin 45,
The removing means corresponds to the fitted hole forming pin 45 configured to be attachable,
The present invention is not limited only to the configuration of the above-described embodiment, and many embodiments can be obtained.

The perspective view of the fuse box structure in the 1st Embodiment of this invention. Explanatory drawing about the fuse box structure in the 1st Embodiment of this invention. Explanatory drawing about the fitting to the socket of the fuse in the 1st Embodiment of this invention, and a fuse. Explanatory drawing about the formation method of the socket in the 1st Embodiment of this invention. Explanatory drawing about the socket formation metal mold | die for forming the socket in the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Fuse box structure 10, 10a-f ... Fuse 11 ... Terminal 12 ... Fusing part 13 ... Insulating housing 14 ... Fitting protrusion 20 ... Fuse mounting case 21, 21a-f ... Socket 25 ... Mated hole part 30 ... Loading block 42 ... Flange portion insertion groove forming portion 45 ... Fitted hole portion forming pin

Claims (6)

A plurality of terminals arranged in parallel, and an insulating housing having an insulating property provided inside with a fusing portion that electrically connects the terminals together while fixing the terminals so that each part protrudes in the same direction. And a fuse having a fuse capacity determined according to the fusing part,
A fuse mounting structure comprising a fuse mounting case having a socket that allows mounting of the fuse having a predetermined fuse capacity,
The fuse,
A fitting means formed with a unique arrangement and / or shape corresponding to the fuse capacity,
In the socket,
Fuse mounting structure comprising a fitting means configured to be fitted with the fitting means of a fuse that is allowed to be mounted in the socket, and having a unique arrangement and / or shape corresponding to the fuse capacity . In the socket,
Forming a plurality of corresponding mating means that allows fitting of at least two types of fuse capacity fitting means among a plurality of types of fitting means formed according to the fuse capacity;
2. The fuse mounting structure according to claim 1, wherein the fitting means for fitting with the fitting means of the fuse that is allowed to be mounted in the socket is provided with a changing means for changing the plurality of corresponding fitting means. . The fitting means is constituted by a fitting convex portion formed on the insulating housing,
The fitting means is constituted by a fitted recess formed in the socket, and the plurality of corresponding type fitted means are constituted by a plurality of the fitted recesses arranged,
The fuse mounting structure according to claim 2, wherein the modifying unit is configured by a loading unit that loads a fitting recessed portion that is not used among the plurality of recessed portions to be fitted arranged in the plurality of corresponding mating means. . A method for forming a fuse mounting case having a socket that allows mounting of a fuse having a fuse capacity determined according to a fusing part provided inside,
A fitting means that can be fitted with a fitting means that is provided in the socket and is formed with a unique arrangement and / or shape according to the fuse capacity of a fuse that is allowed to be attached to the socket,
A plurality of types of fitting means that allow fitting with fitting means of at least two types of fuse capacities among the plurality of types of fitting means formed according to the fuse capacity; A method for forming a fuse mounting case formed by modifying the joint means. The fitting means is constituted by a fitting convex portion formed on the insulating housing,
The fitting means is constituted by a fitted recess formed in the socket, and the plurality of corresponding type fitted means are constituted by a plurality of the fitted recesses arranged,
5. The fuse mounting case according to claim 4, wherein the modifying unit is configured by a loading unit that loads a fitting recessed portion that is not used among the plurality of fitted recessed portions arranged in the plurality of corresponding mated fitting units. Forming method. A mounting case forming mold for forming a fuse mounting case having a socket that allows mounting of a fuse with a fuse capacity determined according to a fusing part provided inside,
In a socket forming portion that forms the socket including a concave fitting portion that can be fitted to a convex fitting portion provided in the fuse having a unique arrangement and / or shape corresponding to the fuse capacity,
A mounting case forming mold provided with a recess forming pin that forms a recessed mating portion in a detachable manner.

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