JPH0616449Y2 - Fuse plug socket assembly jig - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a jig for assembling a fuse plug socket which is inserted in the middle of each load line from a battery power source as an on-vehicle electrical component.

[Conventional technology]

A fuse plug socket used as one of in-vehicle electrical components is used, for example, in the course of a line that supplies power from a battery power source to various electronic devices of an automobile,
When the electronic device of each load line is overloaded, the internal fuse is blown to protect the electronic device.

Such a fuse plug socket generally comprises a plug having a built-in fuse therein and a socket body into which the fuse is inserted, and the socket body is provided with an opening into which one or a plurality of plugs can be inserted. The link at the tip of the plug is provided with a small hole, and the bolt inserted into this small hole is screwed into the terminal nut inserted and fixed in the socket to fix the plug to the socket.

Wiring to a power supply or a load is connected to the terminal of the said bolt, and a pair of terminals provided corresponding to a pair of links of one plug become an input / output terminal.

When assembling a fuse plug socket having such a shape, the terminal nut is inserted into the socket body, and the skirt portion of the socket body is formed so as to prevent the skirt of the socket body from being opened so as to prevent the skirt from spreading. A rugged assembly jig is used.

[Problems to be solved by the device]

However, in the fuse plug socket having the above-described configuration, when the bolt that is screwed into the terminal nut that is inserted into the socket body is fastened to the link at the tip of the plug by tightening the bolt with a considerable force, the terminal nut is rotated by the rotational force. When trying to rotate, the skirt is forcibly opened and the terminal nut rotates.

This rotation of the terminal nut cannot be prevented by a conventional assembling jig, and if idle occurs, the operator uses other tools in combination to prevent the rotation.

As a measure to prevent such idle rotation of the terminal nut, a method of changing the product shape and a method of devising an assembling jig can be considered, but at present, the strength is increased by increasing the thickness of the product shape. Measures are being taken.

However, the method of dealing with torque close to 100 kgf · cm by only changing the product shape may not always be able to deal with it due to the space limitation of the product.

The present invention has been made in view of the present situation of measures for preventing the idle rotation of the terminal nut of the fuse plug socket described above, and its purpose is to improve the conventional jig used for assembling the fuse plug socket, It is an object of the present invention to provide a jig in which a rib that can be inserted into an internal groove is provided, and a tip shape of the rib is adapted to a nut head to prevent rotation of the nut during assembly work.

[Means for Solving the Problems]

As a means for solving the above problems, according to the present invention, at least one fuse plug having a built-in fuse and a socket for inserting and fixing a pair of connecting links to connect to an input / output terminal are assembled. At this time, a pair of ribs are provided upright so as to be opposed to both ends of the base member so as to contact both side surfaces of the socket for receiving and fixing the same, and the pair of connecting members provided upright on the base member between the ribs. The base member and at least a pair of ribs having a width that can be inserted into the groove formed in the socket corresponding to the link, and the leading edge of which fits to the shape of the nut head side edge fitted in the groove. The structure of the fuse plug socket assembling jig, which is composed of the connected supporting members, is adopted.

[Action]

The fuse plug socket to which the jig according to the present invention configured as described above is to be used is at least one fuse plug having a built-in fuse and having a pair of connecting links, and an internal member along the inserting direction of the connecting link. It is composed of a socket in which a bolt inserted through a small hole at the tip of a link is screwed into a nut fitted in a groove provided to fix a fuse plug so that the link is connected to an input / output terminal.

When assembling such a fuse plug socket,
First, the socket body is inserted into the jig according to the present invention. In this case, the rib provided at the center of the jig is simultaneously inserted into the groove inside the socket body. A nut is fitted into this groove portion in advance at a predetermined position.

Next, the link for connecting the fuse plug is inserted into the socket body. Then, the bolt connecting the terminal of the connection cord is inserted into the small hole at the tip of the link, and this is screwed into the nut.
At that time, the socket body is pressed by hand, and the rib is strongly abutted on the nut head so that the nut does not rotate. Even if the bolt is tightened by a power device having a large torque such as an automatic screw tightening device in such a state, the rotation of the nut is prevented by the rib, and the assembling work is performed very efficiently.

〔Example〕

An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is an exploded perspective view of a jig according to the present invention and a fuse plug socket assembled using this jig.

The fuse plug socket comprises a fuse plug 1 and a socket 5, as shown in the figure. The fuse plug 1 has a fuse built in the plug body 2 and has a pair of connecting links 3 and 3. Small holes 4 are provided at the tips of the links.

The socket 5 comprises a box-shaped socket body 6, and an opening formed by an edge member 7 that receives the plug body 2 is formed in one surface of the socket body 6, and the connection links 3, 3 of the plug 1 are inserted therein. There are provided link holes 8, 8. In addition, the above-mentioned opening and link hole are provided for each plug 1 one set, and when two or more plugs are combined as shown in the figure, the number of sets corresponding to the number of plugs It is provided.

Inside the socket body 6, an inner groove 9 is provided along the insertion direction of the connecting link 3 of the plug 1, and the end of the groove is formed as an opening 10 in an open shape. Corresponding to the connecting link 3, a pair of groove portions 9 are provided back to back with a wall therebetween. A nut, which will be described later, is inserted and fitted into each of the groove portions 9.

Further, the other surface of the socket body 6 is also formed to be open at the opening 10, and the bolt is inserted through this opening.

The nut 12 has a nut head 13 having, for example, a hexagonal shape or another polygonal shape as illustrated, and a screw hole 14 provided therein. The threaded hole 14 is screwed with the tip screw portion of a bolt 15 inserted into the link hole 4 of the plug, whereby the plug 1 is fixed and the connecting link 3 of the plug comprises a bolt terminal. Connected to the terminal.

A jig as shown is used when assembling the fuse plug socket having the above-described structure.

This jig includes a pair of ribs 22 provided upright on both ends of a horizontal base member 21, and a pair of ribs 23 provided on the base member between the ribs in this embodiment. And a support member 24 connected to the lower part of the.

The pair of ribs 22 are provided so as to be in contact with both side surfaces of the socket body 6 as shown in FIG. 2 in order to receive and fix the plug socket during the assembling work.

Each of the two pairs of ribs 23 is formed to have a width that can be inserted into the groove portion 9 formed inside the socket body 6 and conform to the side edge shape of the nut head fitted into the groove portion.
For example, if the head 13 of the nut 12 has a hexagonal shape as shown in the drawing, the tip is cut out in a triangular shape.

The support member 24 may have any shape, and is formed so that its lower end can be fixed on the table when used (not shown).

When the fuse plug socket is assembled using the jig of this embodiment having such a structure, the socket 5 is first inserted and fixed in this jig as shown in FIG. in this case,
While receiving the socket 5 between the ribs 22 and 22, the other ribs 23 and 23 are inserted into the groove 9 in the socket 5,
The upper end of the nut 12 is brought into close contact with the side edge of the head portion 13 of the nut 12 previously inserted.

When the connecting link 3 of the plug 1 is inserted into the socket 5 in this state, the link hole 4 at the tip of the link is aligned with the screw hole 14 of the nut 12. Therefore, the bolt 15 is inserted into the link hole 4 and slightly screwed into the screw hole 14 of the nut 12, and the bolt is screwed into the nut by an automatic screw tightening device (not shown) through a cross groove formed in the bolt head. Fully screw.

When performing the above-mentioned screw tightening work, if the socket main body 6 is sufficiently pressed against the jig by hand, the tip of the rib 23 of the jig to be inserted serves as a rotation stopper so that the nut stays in the groove. The bolt can be fastened without rotating.

Before bolting, as shown in the cross section of FIG.
It goes without saying that the bolt is inserted into the small hole of the cord terminal C of the wire harness W in advance.

〔effect〕

As described in detail above, the jig according to the present invention forms another pair of ribs to be inserted into the groove inside the socket between a pair of ribs for receiving and fixing the socket, and the tip of the rib is on the head side of the nut. Since it is formed to match the edge shape, you can press the socket inserted in the jig by hand,
It is possible to prevent the nut from attempting to rotate when the bolt is screwed into the nut, which greatly contributes to work efficiency.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of the jig of the present invention and a fuse plug socket assembled by using this jig, and FIG. 2 is a state in which the socket is inserted into the jig as seen from line II-II of FIG. A sectional view, FIG. 3 is a sectional view taken along the line III-III in FIG. 1 ... Fuse plug, 5 ... Socket, 12 ... Nut, 15 ... Bolt, 21 ... Base member, 22 ... Rib, 23 ... Rib, 24 ... Support member.

Claims (1)

[Scope of utility model registration request] 1. A fuse plug socket comprising at least one fuse plug having a built-in fuse and a socket for inserting and fixing a pair of connecting links to connect to input / output terminals. Therefore, a pair of ribs is provided upright on both ends of the base member so as to contact both side surfaces of the socket, and is formed in the socket in correspondence with the pair of connecting links that are provided upright on the base member between the ribs. At least a pair of ribs each having a width that can be inserted into the groove portion and having a tip edge conforming to a shape of a nut head side edge fitted in the groove portion, and a support member connected to the base member. Characteristic fuse plug socket assembly jig.