JPH0526701Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an electrical connector for a battery for connection to a post of the battery.

[Conventional technology]

In automobiles, etc., the 6th type of electrical connector was conventionally used to connect batteries and in-vehicle electrical components.
What is shown in FIG. 7 and FIG. 7 has been proposed. In the same figure, 1 is a post 2 of a battery (not shown).
A crimping part 3 bent into a substantially circular shape so as to be crimped onto the circumferential surface of the post 2.
and a fastening part 6 which is tightened with a bolt 4 and a nut 5 so as to apply a predetermined coupling friction force to the crimping part 3. A wire connection part 7 is formed at one end of the fastening part 6 to connect a cable for distributing power to an electrical component (not shown), and the other end of the fastening part 6 is formed to directly distribute power from a battery to other electrical components. The auxiliary terminal 8 is fastened together to the connecting terminal 1 by the bolt 4 and nut 5. As shown in FIG. 7, the structure of this auxiliary terminal 8 is that a fitting part 9 and a bolt insertion hole 10 are provided at one end to be fitted and connected to the fastening part 6 of the connecting terminal 1. A terminal piece 9' is integrally formed at the other end. To connect the auxiliary terminal 8 to the connection terminal 1, the fitting part 9 of the auxiliary terminal 8 is fitted into the fastening part 6 of the connection terminal 1, and the bolt insertion hole 10 is inserted into the bolt insertion hole 10 of the connection terminal 1. ′
, and then these bolt insertion holes 1
By tightening the bolts 4 and nuts 5 inserted through the holes 0 and 10', the connecting terminal 1 is fastened to the battery post 2, and the connecting terminal 1 and the auxiliary terminal 8 are electrically connected. It is something that will be done.

[The problem that the idea attempts to solve]

However, in such a conventional battery electrical connector, after the auxiliary terminal 8 is fitted and connected to the connecting terminal 1, the connecting terminal 1 is placed over the battery post 2, and then the connecting terminal 1 and Since the structure is such that the auxiliary terminal 8 is fastened together with the bolt 4 and nut 5, the bolt 4 and nut 5
It takes time to tighten, and the workability of the connection is poor.
Moreover, variations occur in the tightening force of the bolts 4 and nuts 5, and sometimes the post 2 or the connecting terminal 1 is deformed due to excessive tightening force, or an effective connection is maintained due to insufficient tightening force. This resulted in problems such as poor contact.

[Means to solve the problem]

The present invention was developed by focusing on such conventional problems, and in particular, in order to electrically connect the connecting terminal and the auxiliary terminal without using fastening parts such as bolts or nuts, one end of the auxiliary terminal is To,
The end face is formed into a substantially C-shape, and a fitting part that can be held elastically at the end of the connection terminal is provided to ensure the connection between the auxiliary terminal and the connection terminal, and also to provide a fulcrum for the tensioning lever. By passing the supporting shaft through the auxiliary terminal and the connecting terminal, the bonding force between the auxiliary terminal and the connecting terminal can be maintained, and the electrical connection can be achieved while omitting the use of bolts and nuts shown in the conventional example. The object of the present invention is to provide an electrical connection tool for a battery that can ensure electrical connection between the tool and the battery post, and furthermore, can reliably connect and disconnect the electrical connection tool with a single touch. .

〔Example〕

The present invention will be explained in detail below based on the embodiments shown in FIGS. 1 to 5.

Reference numeral 11 denotes an electrical connector for a battery, and this electrical connector 11 includes a terminal piece 13 having a substantially U-shaped planar shape and a substantially semicircular arc portion 12, and a terminal piece 13 having a substantially U-shaped planar shape. A pressing piece 14 facing the arcuate portion 12 of
, and sub-support shafts 15 are provided at both ends of this pressing piece 14.
The sub-support shaft 15 is loosely fitted so as to be guided into an arc-shaped elongated hole 16 formed in both side walls of the terminal piece 13. 15' is long hole 1
The main support shaft is passed through a shaft hole 17 drilled at the center of the circular arc of 6, and is bent into a U-shape from one end of the sub-support shaft 15. The tension lever 18 is rotatably supported. Further, a shaft hole 19 through which the sub-support shaft 15 is inserted is provided in a protruding manner on both side walls of the tension lever 18 . Reference numeral 20 denotes a wire connection portion formed rearward from one side wall of the terminal piece 13;
Reference numeral 1 designates an auxiliary terminal piece that is fitted and connected to the other side wall of the terminal piece 13 and extends rearward. As shown in FIGS. 2 to 5, the structure of this auxiliary terminal piece 21 is that a pair of gripping pieces 22 whose end surfaces are approximately C-shaped are formed at one end, and a connecting piece 21 is formed at the other end.
It is formed in a. 21b is a through hole through which the main support shaft 15' is passed, and 21c is a stopper projection for regulating the insertion position of the auxiliary terminal piece 21.

Therefore, the gripping piece 22 of this auxiliary terminal piece 21 is
By fitting the terminal piece 13 to the other side wall, the terminal piece 1 is held by the gripping piece 22 of the auxiliary terminal piece 21.
3. As a result, the auxiliary terminal piece 21
is electrically connected and held to the terminal piece 13. Reference numeral 23 denotes a locking claw for keeping the tightening lever 18 locked; 24 is a cover made of hard resin that is placed over the electrical connector 11; A connector housing 26 into which the auxiliary terminal 21 is inserted is integrally formed.

The structure of this embodiment has been described above, and its operation will be described next. To assemble the auxiliary terminal piece 21 to the terminal piece 13, as described above, after fitting the gripping piece 22 of the auxiliary terminal piece 21 to the other end of the terminal piece 13, insert the tightening lever onto the terminal piece 13. 18 and align each hole 16, 19, 17, 21b, insert the main spindle 15' and the sub spindle 1 into these holes.
By inserting and connecting 5, the intended battery electrical connection device is constructed.

As shown in FIG. 1, the connector 11 constructed in this manner can be assembled by fitting the battery post 2 into the terminal piece 13 having the above structure, and then lowering the tension lever 18 which is erected. Secondary spindle 15
The pressing piece 14 that is pivotally supported on the battery post 2
As a result, the pressing piece 14 and the arc portion 12 clamp the battery post, and the electrical connector 11 is connected to the battery post 2. On the contrary, by raising the tension lever 18 that has been pushed down, the pressing piece 14 causes the battery post 2 to tighten.
As a result, the electrical connector 11 can be removed from the battery post 2. When connecting the electrical connector 11 to the battery post 2, the cover 24, which is connected via the thin hinge 25 to the connector housing 26 attached to the auxiliary terminal 21, is placed over the electrical connector 11. As a result, the electrical connector 11 is insulatively protected.

[Effect of idea]

Therefore, according to the electrical connector for a battery of this invention, the auxiliary terminal 21 is provided with a gripping portion 22 for assisting the electrical connection with the terminal piece 13, and the gripping portion 22 is connected to the terminal piece 13 and other parts. Since the auxiliary terminal 21 and the terminal piece 13 are electrically connected by fitting to the ends, the terminal piece 13 and the auxiliary terminal 21 can be connected without using connecting parts such as bolts and nuts as in the conventional case. As a result, it is possible to reduce costs by reducing the number of parts, improve assembly work efficiency, and shorten assembly work time. Further, since the terminal piece 13 is held in elastic contact with the gripping piece 22 provided on the auxiliary terminal 21, effects such as stable electrical connection can be obtained.

Furthermore, according to this invention, the electrical connector can be detached from the battery post, and vice versa, by a simple operation of raising and lowering the tension lever 18, that is, by a one-touch operation without using any tools. Therefore, there is an effect that the workability of attaching and detaching the electrical connector is improved.

[Brief explanation of drawings]

Fig. 1 is an explanatory perspective view showing an embodiment of the electrical connection for a battery according to the present invention, Fig. 2 is a plan view of the electrical connector, Fig. 3 is an explanatory side view thereof, and Fig. 4 is a front view thereof. FIG. 5 is a sectional view taken along the line A--A in FIG. 2, FIG. 6 is a perspective view of the conventional example, and FIG. 7 is an exploded perspective view thereof. 11... Electrical connection tool, 12... Arc part, 13...
...Terminal piece, 14...Press piece, 15...Sub-support shaft, 1
5'...Main support shaft, 16...Long hole, 17...Shaft hole,
18...Tightening lever, 19...Shaft hole, 20...Wire connection part, 21...Auxiliary terminal piece, 22...Gripping piece, 23...Latching claw, 24...Cover, 25...
Thin hinge, 26... Connector housing.

Claims (1)

[Scope of utility model registration request] A terminal piece 13 having a substantially U-shaped cross section is provided with a wire connecting portion 20 to which an electric wire is connected at one end, and a gripping piece 22 is provided at the other end to elastically fit with the other end. Fit the terminal piece 21 and connect the auxiliary terminal piece 2
The lever 18 is pivotally supported via a main support shaft 15' passing through the main support shaft 15' and both ends thereof, and the lever 18 is positioned inside the main support shaft 15' and has an arc-shaped length centered on the main support shaft 15'. A hole 16 is provided, and an auxiliary support shaft 15 passing through the elongated hole 16 is attached to the lever 18, the lever 18 is configured to sandwich the battery post 2 between the terminal piece 13 and the pressing piece 14, and the auxiliary terminal An electrical connection tool for a battery, characterized in that a mating terminal is connected to the piece 21.