JP2001223038A - Terminal with nut and mounting method of terminal with nut - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive and small-sized terminal with a nut and a mounting method of terminal with a nut wherein the mounting work can be carried out simply and wherein the falling out of terminal can be surely prevented. SOLUTION: The terminal 24 and the nut 25 have been prepared as a separate body beforehand, when the terminal 24 is mounted on a stud bolt 21, the stud bolt 21 is screwed into the terminal 24, and when the nut 25 is made to move to the terminal 23 side, a flange 26a is made to be engaged with engaging pieces 25a to 25c and the nut 26 and the terminal 24 are unified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal with a nut and a method of mounting the terminal with a nut, which can easily attach a terminal provided at an end of an electric wire to a stud bolt of a vehicle body panel.

[0002]

2. Description of the Related Art In general, a terminal such as a ground wire is connected to a stud bolt provided at an arbitrary position on a vehicle body panel or the like by a nut as shown in FIG.

In FIG. 4, reference numeral 1 denotes a stud bolt provided at a grounding position of a vehicle body panel. The stud bolt 1 is inserted into an insertion hole 2a of a ground terminal 2 provided at an end of an electric wire W. It has become. The ground terminal 2 is fixed to the stud bolt 1 by screwing a nut 3 to the stud bolt 1. By stud bolt 1
Screwed.

However, in such a terminal structure comprising the terminal 2 and the nut 3, the terminal 2 and the nut 3
Are separated from each other, and when the nut 3 is loosened due to vibration of the vehicle body, the engine, or the like, the nut 3 may come off the stud bolt 1 and the terminal 2 may come off the stud bolt 1.

[0005] To solve such a problem, for example, there is a terminal structure as shown in FIG. In FIG. 5, reference numeral 5 denotes a stud bolt provided at a grounding portion of the vehicle body panel. The stud bolt 5 is adapted to be inserted into an insertion hole of a ground terminal 7 provided at an end of the electric wire W. . The terminal 7 is integrated with a nut 10 rotatably provided in the hollow member 9 by caulking and fixing a caulking piece 7a to a flange portion 9a of a hollow member 9 provided so as to be inserted into the stud bolt 5. I have.

[0006] After inserting the nut 7 into the stud bolt 5 through the insertion hole of the terminal 7 with the nut 10 fitted in the nut screw 11, the nut 7 is screwed into the stud bolt 5 by the nut screw 11, whereby the terminal 7 is connected. It is adapted to be fixed to the stud bolt 5.

In this terminal structure, since the nut 10 is fixed to the terminal 7 by caulking and the nut 10 and the terminal 7 are integrated, it is ensured that the nut 10 comes off from the stud bolt 5 due to vibration. Can be prevented.

[0008]

However, in such a conventional terminal structure, since the nut 10 and the terminal 7 are integrated, the nut 10 is
If it is attached to the stud bolt 5 in a state where it is fitted to the terminal 7, it becomes difficult to position the insertion hole of the terminal 7 and the attachment position of the stud bolt 5 (since the attachment position of the insertion hole and the stud bolt 5 is difficult to see). A problem arises that the workability of the mounting work is deteriorated.

Further, since a step of caulking and fixing the nut 10 to the terminal 7 is required, a feed line for the nut 10 and a caulking device are required, which increases the manufacturing cost of the terminal structure. Problem has occurred.

Also, as shown in FIG.
When the nut 10 is crimped to the terminal 7, the crimped portion A of the terminal 7 and the electric wire 6 is bent.
Collides with the caulking device and hinders the caulking operation.
To increase the distance between the swaged portion A and the nut 10, the terminal 7
It is necessary to lengthen the lower part 7b of as shown by the distance L,
There has been a problem that the terminal structure is enlarged accordingly.

Accordingly, the present invention provides a low-cost, terminal-attaching operation which can be easily performed, and which can reliably prevent the terminal from coming off the bolt member.
Another object of the present invention is to provide a small-sized terminal with a nut and a method for mounting the terminal with a nut.

[0012]

According to the first aspect of the present invention,
In order to solve the above problems, a terminal with a nut that can be integrated by connecting a nut and a terminal connectable to an end of an electric wire, wherein a flange portion is formed at an end of the nut, The terminal is characterized in that an insertion hole that can communicate with the bolt member is formed, and a plurality of engagement pieces with which the flange portion can be engaged are formed around the insertion hole.

According to a second aspect of the present invention, there is provided a method of mounting the terminal with the nut according to the first aspect on a bolt member provided on a mating member, wherein the terminal is connected to the bolt member. After the nut is screwed into the stud bolt and the nut is moved toward the terminal, the flange portion is engaged with the engagement piece of the terminal. .

In the method for mounting a terminal with a nut according to the first aspect and the terminal with a nut according to the second aspect, the terminal and the nut are separately provided in advance, and the terminal is bolted when the terminal is mounted on the bolt member. When the nut is screwed into the bolt after being inserted through the member, the flange portion of the nut is engaged with the engagement piece of the terminal, so that the nut and the terminal can be integrated.

As a result, the operation of attaching the terminal to the bolt member can be easily performed, and the nut is prevented from coming off the bolt member due to vibration or the like after the attachment, so that the terminal with the nut comes off from the bolt member. It can be reliably prevented.

Further, since it is not necessary to fix the nut to the terminal by crimping, a feed line for the nut and a caulking device can be eliminated, thereby preventing an increase in the manufacturing cost of the terminal with the nut. In addition to this, it is only necessary to engage the separate nut with the terminal, so even if the lower part of the terminal is bent 90 °, there is no need to consider the positional relationship between the wire connection and the nut. In addition, it is possible to prevent the terminal with nut from becoming large.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 3 are views showing an embodiment of a terminal with a nut and a method of mounting the terminal with a nut according to the present invention.

First, the configuration will be described. 1 and 2, reference numeral 21 denotes a stud bolt (bolt member) provided at a grounding point of a vehicle body panel (counterpart member) 22. The stud bolt 21 has an earth terminal crimped to an end of an electric wire 23.
The 24 insertion holes 24a are inserted. Around the insertion hole 24a of the ground terminal 24, a plurality of engagement pieces 25a to
The engaging pieces 25a to 25c are bent outward.

Reference numeral 26 denotes a nut.
26 is capable of being screwed to the stud bolt 21 and has a flange 26a formed at an end thereof. The flange 26a is adapted to engage with the engagement pieces 25a to 25c. 1 and 2, reference numeral 27 denotes a nut screw into which the nut 26 is fitted.

Next, the terminal with the nut is connected to the stud bolt 21.
The method of attaching the first to the second will be described with reference to FIG.

First, as shown in FIG. 2 (a), after inserting the insertion hole 24a of the terminal 24 into the stud bolt 21, the nut 26 is fitted to the nut screw 27. Then, nut 26
Is screwed into the stud bolt 21 and the nut 26 is moved toward the terminal 24 by the nut screw 27 so that the flange portion 26a of the nut 26 is engaged with the engagement piece 25a of the terminal 24.
Engage with 25c. As a result, the terminal 24 is firmly fixed to the stud bolt 21 by the nut 26 as shown in FIG.

As described above, in this embodiment, the terminal 24 and the nut 25 are separately provided in advance, and the terminal 24 is connected to the stud bolt 21.
When the terminal 24 is screwed into the stud bolt 21 and the nut 25 is moved toward the terminal 23, the flange 26a is engaged with the engaging pieces 25a to 25c to integrate the nut 26 with the terminal 24 Therefore, the work of attaching the terminal 24 to the stud bolt 21 can be easily performed, and the nut 26 is prevented from coming off the stud bolt 21 due to vibration or the like after the attachment, so that the terminal with the nut can be stud bolted.
Departure from 21 can be reliably prevented.

Further, since it is not necessary to caulk and fix the nut 26 to the terminal 24, a feed line for the nut 26, a caulking device, and the like can be eliminated, thereby preventing an increase in the manufacturing cost of the terminal with a nut. In addition, since it is only necessary to engage the separate nut 26 with the terminal 24, even if the lower part of the terminal 24 is bent to 90 °, the positional relationship between the crimped portion of the electric wire 23 and the nut 25 is increased. Does not need to be considered, and it is possible to prevent the terminal with the nut from being enlarged.

In this embodiment, the engagement pieces 25a to 25c
Is bent outward, but the present invention is not limited to this, and the same effect can be obtained by bending the engagement piece 28 inward as shown in FIG.

[0026]

According to the first and second aspects of the present invention, the operation of attaching the terminal to the bolt member can be easily performed, and the nut is prevented from coming off from the bolt member due to vibration or the like after the attachment. The attached terminal can be reliably prevented from coming off the bolt member.

Further, since it is not necessary to caulk and fix the nut to the terminal, a feed line for the nut, a caulking device, and the like can be eliminated, thereby preventing an increase in the manufacturing cost of the terminal with the nut. In addition to this, it is only necessary to engage the separate nut with the terminal, so even if the lower part of the terminal is bent 90 °, there is no need to consider the positional relationship between the wire connection and the nut. In addition, it is possible to prevent the terminal with nut from becoming large.

[Brief description of the drawings]

FIG. 1 is a view showing an embodiment of a terminal with a nut and a method of mounting the terminal with a nut according to the present invention, and is an external view of a stud bolt, a terminal, a nut, and a nut screw.

FIGS. 2A and 2B are diagrams showing a procedure for attaching a terminal with a nut to a stud bolt.

FIG. 3 is a view showing another shape of the engagement piece of the embodiment.

FIG. 4 is a view showing a conventional terminal structure in which a nut and a terminal are separate bodies, and is an external view of a stud bolt, a terminal, a nut, and a nut screw.

FIG. 5 is a diagram showing a conventional terminal structure in which a nut and a terminal are integrated, and is an external view of a stud bolt, a terminal, a nut, and a nut screw.

FIG. 6 is a view showing another shape of a conventional terminal.

[Explanation of symbols]

 21 Stud bolt (bolt member) 22 Body panel (counterpart member) 23 Electric wire 24 Terminal 24a Insertion hole 25a-25c Engagement piece 26 Nut 26a Flange

Claims (2)

[Claims] 1. A terminal with a nut which can be integrated by connecting a nut and a terminal connectable to an end of an electric wire, wherein a flange is formed at an end of the nut, and
A terminal with a nut, wherein an insertion hole capable of communicating with the bolt member is formed, and a plurality of engagement pieces with which the flange portion can be engaged are formed around the insertion hole. 2. A method of attaching a terminal with a nut according to claim 1 to a bolt member provided on a mating member, wherein after the terminal is inserted through the bolt member, the nut is screwed into the stud bolt. Moving the nut toward the terminal so that the flange portion is engaged with the engagement piece of the terminal.