JPH11219696A - Terminal for connecting battery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a terminal for connecting battery whose shape is simplified, manufacturability and yield are enhanced, and costs are suppressed. SOLUTION: A terminal 10 for connecting battery is equipped at one end with an electrode fitting part 11 having an approx. inverted Ω-shape plane to be pressure contacted with a battery post 2 firmly and at the other end with an electric wire terminal connecting part 12 in a plate shape for connecting a terminal 4 of electric wire 3, and the connecting part 12 is provided with a bolt inserting hole 13 in circular shape, and a stud bolt 14 for connecting the electric wire terminal is fixed in this hole 13. A small diametric recess 14c smaller than the shank part 14a of stud bolt is formed at the boundary between the shank 14a and the head part 14b of the stud bolt 14, and the recess 14c is inserted through the hole 13 which is circular, and then the hole 13 is deformed elliptically so that the stud bolt 14 can be fixed to the terminal connecting part 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery connecting terminal for mounting a terminal connected to an electric wire to an electrode (battery post) of a battery mounted on a vehicle or the like.

[0002]

2. Description of the Related Art As a battery connection terminal of this kind,
9A and 10A are shown.

A battery connection terminal 1 shown in FIG.
0A is for attaching a plate-shaped terminal 4 to which a wire 3 is connected to a battery post 2 of a battery 1 mounted on a vehicle. That is, this battery connection terminal 10A
Has an electrode fitting portion 11 having a substantially inverted Ω shape in a plane which is fixedly pressed to the battery post 2 on one end side, and is bent into a U shape in a plate shape for connecting the terminal 4 of the electric wire 3 to the other end side. Wire terminal connection portion 12A. A circular bolt through hole 13 is formed in the electric wire terminal connection portion 12A as shown in a blank development view of FIG. 9B.

A stud bolt 1 for connecting a wire terminal is inserted into a bolt through hole 13 of the wire terminal connecting portion 12A.
Insert the shank portion 14a formed with the 4 'thread portion,
The stud bolt 14 'of the stud bolt 14' is fixed to the wire terminal connection portion 12A so as to stand up by holding the square plate-shaped head portion 14b of the stud bolt 14 'between the U-shaped wire terminal connection portion 12A. I have.

The battery connecting terminal 10A is attached to the battery post 2 of the battery 1 after the electrode fitting 11 having a substantially reverse Ω shape is inserted into the battery post 2 and then the battery fitting 2 is connected to the battery fitting. 11 a pair of opposing pieces 1 on the tip side
Each bolt insertion hole 16 formed in each of the bolts 5 and 15 has a bolt 17.
Is inserted and tightened and fixed by a washer 18 and a nut 19.

A battery connecting terminal 10B shown in FIG. 10 (a) has an electrode fitting portion 11B having a substantially reverse Ω-shaped plane and pressed and fixed to the battery post 2 at one end bent in a U-shape. And the terminal 4 of the electric wire 3 at the other end.
And a pair of wire terminal connecting portions 12B, 12
B ′. A circular bolt through-hole 13 is formed in the upper wire terminal connection portion 12B as shown in a blank development view of FIG. 10B.

Then, the upper wire terminal connecting portion 12B
A shank portion 14a formed with a thread portion of a stud bolt 14 'for connecting an electric wire terminal is inserted into the bolt through hole 13 of the above, and a square plate of the stud bolt 14' is inserted between a pair of upper and lower electric wire terminal connecting portions 12B, 12B '. The stud bolt 14 ′ is fixed so as to rise from above the upper wire terminal connection portion 12 B by sandwiching the head portion 14 b having the shape of a circle.

The battery connecting terminal 10B is attached to the battery post 2 of the battery 1 after the electrode fitting portion 11B having a substantially reverse Ω shape is inserted into the battery post 2 and then the battery connecting terminal 10B is connected to the battery fitting portion 11B. The bolt 17 is inserted into a U-shaped bent portion (this portion becomes a bolt insertion port) on the distal end side of 11B, and is tightened and fixed by a washer 18 and a nut 19. .

A similar technique relating to the battery connection terminal 10B shown in FIG.
No. 42 discloses this.

[0010]

However, in each of the conventional battery connecting terminals 10A and 10B, the head portion 14b of the stud bolt 14 'is fixed.
The wire terminal connection portion 12A must be bent in a U-shape, and the lower wire terminal connection portion 12B 'must be bent so as to surround the head portion 14b. (Manufacturability) was poor.
Further, as shown in FIGS. 9B and 10B, the blank shape was large, so that the yield was low and the cost was high.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is intended for a battery connecting device capable of simplifying a shape, improving manufacturability, improving yield, and reducing cost. The purpose is to provide terminals.

[0012]

According to a first aspect of the present invention, there is provided an electrode fitting portion having a substantially inverted Ω-shaped flat surface which is fixedly pressed to a battery post at one end, and a terminal of an electric wire is connected to the other end. In the battery connection terminal having a plate-shaped wire terminal connecting portion, a circular bolt through hole is formed in the wire terminal connecting portion, and a stud bolt for wire terminal connection is fixed in the bolt through hole. At the boundary between the shank portion and the head portion of the stud bolt, a small-diameter concave portion having a smaller diameter than the shank portion is formed, and after penetrating the small-diameter concave portion of the stud bolt into the circular bolt through hole of the wire terminal connection portion, The stud bolt may be fixed to the wire terminal connection portion by deforming a bolt through hole into an elliptical shape.

In this battery connection terminal, the circular bolt through hole of the wire terminal connection portion is deformed into an elliptical shape so that the stud bolt is fixed, so that the wire terminal connection portion does not need to be bent. The cost and the yield can be further improved by improving the performance and simplifying the shape.

According to a second aspect of the present invention, in the battery connecting terminal according to the first aspect, a slit for deforming the bolt through hole is provided in a circular bolt through hole of the electric wire terminal connecting portion. It is assumed that.

In this battery connection terminal, the circular bolt through hole is easily deformed into an elliptical shape through a slit provided in the circular bolt through hole of the electric wire terminal connection portion.
The stud bolt is easily and securely fixed to the wire terminal connection portion.

According to a third aspect of the present invention, there is provided the battery connecting terminal according to the first aspect, wherein convex portions for deforming bolt through holes are provided on both sides of the electric wire terminal connecting portion. It is.

In this battery connection terminal, the circular bolt through hole is reliably deformed into an elliptical shape via the bolt through hole deformation projections provided on both sides of the wire terminal connection portion, and the stud bolt is connected to the electric wire terminal. It is easily and securely fixed to the terminal connection part.

[0018]

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

FIG. 1 is a perspective view showing a battery connection terminal according to an embodiment of the present invention, FIG. 2A is a perspective view of a stud bolt used for the battery connection terminal, and FIG.
Fig. 3 is a side view of the stud bolt, Fig. 3 is a blank development view of the battery connection terminal, and Fig. 4A is an explanatory view showing a state before deformation of a bolt through hole of a wire terminal connection portion of the battery connection terminal. FIG. 4B is an explanatory view showing a state after deformation of a bolt through hole of the electric wire terminal connection portion.

The battery connection terminal 10 shown in FIG.
This is for mounting a plate-shaped terminal 4 to which an electric wire 3 is connected to a substantially conical pillar-shaped battery post (electrode) 2 of a battery 1 mounted on an electric vehicle. That is, the battery connection terminal 10 has an electrode fitting portion 11 having a substantially inverted Ω shape in a plane which is fixedly pressed to the battery post 2 on one end side, and a bolt for connecting the terminal 4 of the electric wire 3 to the other end side. It has a plate-shaped electric wire terminal connection part 12 also serving as a holding part. A circular bolt through-hole 13 is formed in the electric wire terminal connecting portion 12 as shown in a blank development view of FIG.

As shown in FIGS. 2 (a) and 2 (b), the stud bolt 14 for connecting the electric wire terminal, which is fixed in the circular bolt through hole 13 of the electric wire terminal connection portion 12, has a shank having a threaded portion. Portion 14a and a square plate-shaped head portion 14b, and the shank portion 14a and the head portion 14b are provided.
A small-diameter concave portion 14c having a diameter smaller than that of the shank portion 14a and having a concave shape is formed at a boundary portion between the two. 4 (a),
(B) As shown in FIG.
4c is passed through the circular bolt through hole 13 of the wire terminal connecting portion 12, and then the bolt through hole 13 is inserted into the elliptical bolt through hole 1.
3 ', the shank portion 14a of the stud bolt 14 is connected to the wire terminal connection portion 1 as shown in FIG.
2 so as to stand upright.

The battery connecting terminal 10 is attached to the battery post 2 of the battery 1 after the electrode fitting portion 11 having a substantially reverse Ω shape is inserted into the battery post 2, 11 a pair of opposing pieces 1 on the tip side
Each bolt insertion hole 16 formed in each of the bolts 5 and 15 has a bolt 17.
, And fixed by tightening with a washer 18 and a nut 19. Further, a plate-shaped terminal 4 to which the electric wire 3 is connected is inserted through the shank portion 14 a of the stud bolt 14 on the electric wire terminal connecting portion 12, and this is inserted into the washer 5. And by tightening and fixing with a nut 6.

The battery connection terminal 10 of the embodiment described above
According to FIG. 4, when the stud bolt 14 is assembled to the electric wire terminal connecting portion 12 of the battery connecting terminal 10, FIG.
As shown in (a), a small-diameter recess 14 c of a stud bolt 14 is
After fitting, the two side portions 12 of the wire terminal connection portion 12
An external force F is applied to the holes 12a and 12a to deform the circular bolt through hole 13 into an elliptical bolt through hole 13 ', thereby holding the small diameter recess 14c of the stud bolt 14. This small diameter recess 14
Since the diameter of c is smaller than the diameter of shank portion 14a, wire terminal connecting portion 1 is located between shank portion 14a and head portion 14b.
2, the stud bolt 14 is held and fixed.

This eliminates the need for bending the end portion of the wire terminal connection portion 12 and, as shown in FIG. 3, makes the blank shape smaller than the conventional one (indicated by the one-dot chain line in FIG. 3). , The yield also improves. Further, since it is not necessary to surround and hold the head portion 14b of the stud bolt 14 by bending the end portion of the wire terminal connection portion 12, the shape can be simplified, the productivity can be improved, and the yield can be improved. And cost reduction can be achieved.

FIG. 5 (a) is a perspective view showing a battery connection terminal according to another embodiment of the present invention, FIG. 5 (b) is a blank development view of the battery connection terminal, and FIG. 6 (a) is the same battery. FIG. 6B is an explanatory view showing a state before deformation of a bolt through hole of a wire terminal connecting portion of a connection terminal, and FIG. 6B is an explanatory view showing a state after deformation of the bolt through hole.

In the battery connection terminal 10 ', a pair of slits 13a, 13a for deforming the bolt through hole are formed in the circular bolt through hole (13) of the electric wire terminal connection portion 12'.

As a result, the same operation and effect as those of the battery connection terminal 10 of the above embodiment can be obtained.
(A) As shown in FIG.
By applying a force F to the pair of slits 13a, 13a in the vertical direction on the pair of slits 13a, 13a, the circular bolt through hole 13 can be easily formed into an elliptical bolt through hole 13 'as shown in FIG. It can be deformed, and the stud bolt 14 can be easily and reliably fixed to the wire terminal connection portion 12 '.

FIG. 7A is a perspective view showing a battery connecting terminal according to another embodiment of the present invention, FIG. 7B is a blank development view of the battery connecting terminal, and FIG. FIG. 8B is an explanatory diagram showing a state before deformation of the bolt through hole of the wire terminal connecting portion of the connection terminal, and FIG. 8B is an explanatory diagram showing a state after deformation of the bolt through hole.

In the battery connection terminal 10 ", convex portions 12b, 12b for deforming bolt through holes are integrally formed on both sides 12a, 12a of the electric wire terminal connection portion 12", respectively.

As a result, the same operation and effect as those of the battery connection terminal 10 of the above-described embodiment can be obtained.
(A) As shown in FIG.
By applying a force F to each of the projections 12b of the projections 2a and 12a, the circular bolt through hole 13 can be reliably deformed into an elliptical bolt through hole 13 'as shown in FIG. The bolt 14 can be easily and securely fixed to the electric wire terminal connection portion 12 ″.

According to the above embodiments, the battery connection terminal to be mounted on the battery post of the battery mounted on the vehicle of the electric vehicle has been described. However, the vehicle is not limited to the electric vehicle, but may be gasoline (engine).
Of course, the present invention can be applied to other vehicles such as a hybrid car that runs on electricity and a motor.

[0032]

As described above, according to the first aspect of the present invention, the circular bolt through hole of the wire terminal connecting portion is deformed into an elliptical shape to fix the stud bolt. This eliminates the need for bending the connecting portion, thereby further improving the manufacturability, reducing the cost by simplifying the shape, and improving the yield.

According to the second aspect of the present invention, since the circular bolt through hole of the wire terminal connecting portion is provided with the slit, the circular bolt through hole can be easily deformed into an elliptical shape through the slit. In addition, the stud bolt can be easily and reliably fixed to the wire terminal connecting portion.

According to the third aspect of the present invention, since the convex portion for deforming the bolt through hole is provided on both sides of the wire terminal connecting portion, the circular bolt through hole can be reliably formed into an oval shape through the convex portion. It can be deformed, and the stud bolt can be easily and reliably fixed to the wire terminal connection portion.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a battery connection terminal according to an embodiment of the present invention.

2A is a perspective view of a stud bolt of the battery connection terminal, and FIG. 2B is a side view of the stud bolt.

FIG. 3 is a blank developed view of the battery connection terminal.

FIG. 4A is an explanatory view showing a state before deformation of a bolt through hole of a wire terminal connecting portion of the battery connecting terminal,
(B) is explanatory drawing which shows the state after deformation | transformation of the bolt through-hole of the same electric wire terminal connection part.

FIG. 5A is a perspective view showing a battery connection terminal according to another embodiment of the present invention, and FIG. 5B is a blank development view of the battery connection terminal.

FIG. 6 (a) is an explanatory view showing a state before deformation of a bolt through hole of a wire terminal connection portion of a battery connection terminal according to another embodiment, and FIG. 6 (b) is a bolt through hole of the same wire terminal connection portion. It is explanatory drawing which shows the state after deformation | transformation.

FIG. 7A is a perspective view showing a battery connection terminal according to another embodiment of the present invention, and FIG. 7B is a blank developed view of the battery connection terminal.

FIG. 8A is an explanatory view showing a state before deformation of a bolt through hole of a wire terminal connection portion of a battery connection terminal according to another embodiment, and FIG. 8B is a view showing a bolt through hole of the same wire terminal connection portion. It is explanatory drawing which shows the state after deformation | transformation.

9A is a perspective view showing a conventional battery connection terminal, and FIG. 9B is a blank development view of the battery connection terminal.

10A is a perspective view showing another conventional battery connecting terminal, and FIG. 10B is a blank developed view of the battery connecting terminal.

[Explanation of symbols]

 Reference Signs List 2 Battery post 3 Electric wire 4 Terminal 10, 10 ', 10 "Battery connection terminal 11 Electrode fitting portion 12, 12', 12" Electric wire terminal connection portion 12a, 12a Both side portions 12b Convex portion 13 Circular bolt through hole 13 ' Oval bolt through hole 13a Slit 14 Stud bolt 14a Shank part 14b Head part 14c Small diameter recess

Claims (3)

[Claims] 1. An end having an electrode fitting portion having a substantially inverted Ω-shape in a plane fixedly pressed to a battery post, and a plate-shaped wire terminal connection portion for connecting a wire terminal to the other end. A circular bolt through hole is formed in the electric wire terminal connection portion, and a stud bolt for fixing the electric wire terminal is fixed in the bolt through hole. In the battery connection terminal, a boundary between the shank portion of the stud bolt and the head portion is provided. A small-diameter concave portion having a smaller diameter than the shank portion is formed in the portion, and after penetrating the small-diameter concave portion of the stud bolt into the circular bolt through hole of the electric wire terminal connecting portion, the bolt through hole is deformed into an elliptical shape to form A battery connection terminal, wherein a stud bolt is fixed to the wire terminal connection portion. 2. The battery connection terminal according to claim 1, wherein a slit for deforming the bolt through hole is provided in a circular bolt through hole of the electric wire terminal connection part. Terminal. 3. The battery connection terminal according to claim 1, wherein a protrusion for deforming a bolt through hole is provided on both sides of the electric wire terminal connection portion.