JP2001035478A - Protection cover of battery terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protection cover applicable to several sorts of battery terminals having different sizes. SOLUTION: A battery terminal 1L fitted with electric wire furnished with a clamp part 4 to be connected with a battery post is stored in the body part 11 of a protection cover 10, and a mounting pin 31 is fitted in a mounting hole 20 provided in the center in longitudinal direction of the body part 11, and a lid 30 mounted on the body part 11 is rotated round the pin 31, and thus the whole is protected. The body part 11 can store two sorts of battery terminals 1L whose fastener rings 5 of clamp part 4 have different diameters and is furnished at the front and rear ends with locational parts 13F and 13R equipped with circular arc surfaces having different diameters. Either of the locational parts 13F and 13R to store the fastener ring 5 is selected according to the sort of battery terminal 1L used, and the lid 30 can be attached as facing according to the selected locational part 13F/13R.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective cover for a battery terminal.

[0002]

2. Description of the Related Art Generally, a battery terminal connected to a battery post is covered with a protective cover for preventing a short circuit with a vehicle body. As this kind of protective cover, one described in Japanese Patent Application Laid-Open No. 7-85858 is known. The protective cover is provided with a lid at one end of a main body attached to the electric wire connection part of the battery terminal so as to be openable and closable by a hinge. By closing the lid, the cover can cover a clamp part for tightening the battery post. Is available.

[0003]

However, the diameter of the battery post may vary depending on the capacity of the battery or the like. In such a case, two types of battery terminals corresponding to the diameter of the battery post are required, and accordingly, protective covers having different sizes must be prepared. That is, the production of two types of dedicated protective covers has a problem that the production cost is high, and furthermore, it is necessary to manage the products separately for each type, which makes the parts management troublesome. Was. The present invention has been completed on the basis of the above circumstances, and has as its object to provide a protective cover capable of accommodating battery terminals of a plurality of sizes.

[0004]

As means for achieving the above object, the invention according to claim 1 includes a clamp portion which is tightened and connected to a battery post, and an electric wire connection portion which connects an electric wire. A protective cover for covering and protecting a battery terminal, comprising: a main body unit that wraps around the electric wire connection unit and is attached thereto; and a lid unit that opens and closes above and to the side of the clamp unit. A positioning portion to be fitted to the clamp portion is provided, and a plurality of positioning portions having different sizes are provided, and a plurality of positioning portions covering any one of the positioning portions are provided. It is characterized in that a mounting portion capable of mounting the lid portion to the main body portion in a direction is provided.

According to a second aspect of the present invention, in the first aspect, a pair of the positioning portions having different sizes from each other are provided on both sides of the main body portion, and the lid portion connects the positioning portions to each other. It is characterized in that the mounting direction is reversed so that it can be covered alternatively.

[0006]

<Operation and effect of the invention><Invention of claim 1> The lid is openably and closably attached to the main body via the mounting portion in a direction covering the positioning portion fitted to the clamp portion of the one battery terminal. In the case of another battery terminal having a different size of the clamp portion, the cover portion is attached in a different direction from that of the one battery terminal so as to cover the positioning portion fitted to the clamp portion. To That is, a single type of protective cover can cover a plurality of types of battery terminals having different sizes of the clamp portion. Since there is no need to manufacture a dedicated protective cover for each battery terminal having a different clamp size, manufacturing costs can be kept low, and an increase in the number of parts is suppressed, making parts management easy. Can be.

<Invention of Claim 2> By inverting the mounting direction of the lid portion with respect to the main body portion, the lid portion can be covered in two different directions so that both positioning portions can be covered using a common mounting portion. Since it can be mounted, it is not necessary to provide a mounting portion for each positioning portion.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. In this embodiment, a protective cover corresponding to two types of battery terminals will be described.

First, the structure of the battery terminals 1L and 1S to be protected by the protective cover 10 will be described. Battery terminal 1
L and 1S are formed of a conductive metal, and are connected to a battery post (not shown) at the tip of an electric wire connection portion 2 for peeling the end of the electric wire W and caulking the exposed core wire as shown in FIG. The clamp portion 4 is connected by the connecting portion 3. The clamp portion 4 has a substantially short cylindrical fastening ring 5 for fastening the battery post (specifically, the tip end side is tapered). A pair of projecting pieces 6 are formed on the fastening ring 5 so as to project forward, and a fastening bolt 7 is attached to the tip thereof. By tightening the tightening bolts 7, the diameter of the tightening ring 5 can be reduced, so that the battery post can be tightened.

In this embodiment, the battery terminal 1
There are two types of battery posts for connecting L and 1S, thick and thin, depending on the difference in battery capacity and the like.
And two types of battery terminals 1L and 1S having different diameters of the tightening ring 5 are used.

Next, the structure of the protective cover 10 will be described. This protective cover 10 is made of a synthetic resin material,
As shown in FIG. 5, a lid 30 formed separately from the main body 11 is attached to the main body 11 in which the electric wire connection portion 2 and the tightening ring 5 are fitted so as to be openable and closable. The upper part and the side of the clamp part 4 are covered in a state where is closed.

The main body 11 is formed so that the bottom surface and front and rear side surfaces are open and the whole is substantially gate-shaped, and the battery terminals 1L and 1S and a part of the end of the electric wire W are opened from the bottom surface side opening. Can be fitted. The front and rear end portions of the main body 11 are formed slightly wider than the central portion 12, and the positioning portions 13 </ b> F which accommodate the fastening rings 5 of the battery terminals 1 </ b> L and 1 </ b> S and can position the battery terminals 1 </ b> L and 1 </ b> S. 13R. In addition,
The shapes and the like of the positioning portions 13F and 13R will be described later in detail.

As shown in FIG. 3, a hinge portion 14 is arranged along the length direction on the lower edge of one of the side walls forming the central portion 12 of the main body portion 11, and the hinge portion 14 is provided. A closing lid 15 is connected to be openable and closable through the intermediary. The closing cover 15 has a function of preventing the battery terminals 1L and 1S from coming off by closing a portion of the main body 11 corresponding to the wire connection portion 2 (see FIG. 6).

As shown in FIG. 4, a lock piece 16 having a locking claw 17 formed at the end thereof is provided at an edge of the closing lid 15 opposite to the hinge portion 14. As shown in FIG. Then, when the closing lid 15 is closed, as shown in FIG.
Is pushed into the inside of a hooking band 18 protruding from a corresponding position on the outer side surface of the main body 11 to lock the closing lid 15 in a closed state.

As shown in FIG. 3, a total of three receiving projections 19 are provided along the width direction on the ceiling surface of the main body 11. These receiving projections 19 have battery terminals 1.
The L and 1S electric wire connection portions 2 can be brought into contact with each other.
The insertion depth positions of the battery terminals 1L and 1S with respect to are defined.

A pair of mounting holes 2 for mounting the lid 30 are provided in the center of the side surface of the main body 11 in the longitudinal direction.
0 is provided. A pair of mounting pins 31 (which will be described in detail later) that can be inserted into the mounting holes 20 are provided on the inner surface of the lid portion 30 so as to protrude from the inner surface of the lid portion 30 so as to correspond to the mounting holes 20. It is attached to the main body 11 such that it can be displaced in the vertical direction in FIG.

As shown in FIG. 2, the lid 30 is attached to the main body 11 in a standing position, so that the positioning portions 13F and 13R are opened in the front-rear direction. Then, by closing the lid portion 30, the positioning portion 13 covers the main body portion 11 from above.
F, 13R and an open area in the front-rear direction thereof can be covered.

The entire cover 30 is formed wider than the main body 11. In particular, a portion on the rotation end side is a stepped widened portion 33 wider than the base portion 32 on the base end side. The width of the widened portion 33 is determined by the battery terminals 1L and 1L.
It is set to a size that can accommodate the S tightening bolt 7. The width of the base 32 is determined by the positioning portion 13 of the main body 11.
F, 13R slightly larger than the size, especially the base 3
The two end portions on the both sides at the back of 2 are narrow mounting portions 34.
The mounting portion 34 is formed to have such a width as to sandwich the central portion 12 of the main body 11, and the pair of mounting pins 31 protrude from the inner surface. As shown in FIG. 3, the mounting pin 31 is formed in a round pin shape and has a length protruding from the mounting hole 20 to the inside of the main body 11. The height of the mounting pin 31 protruding from the ceiling surface of the main body 11 is substantially the same as the height of the receiving ridge 19 described above.

In order to hold the lid 30 in a closed position, a pair of locking arms 35 each having a claw 36 at the tip thereof are provided in the lid 30, as shown in FIGS. I have. The locking arm 35 is provided with a stepped portion 37 at the boundary between the ceiling surface of the widened portion 33 in the lid 30 and the base 32.
Are provided in a state of being connected to both of them, and can be bent and deformed in the outer bending space S. The claw portion 36 is provided so as to protrude inside the locking arm 35, and can be locked to a pair of locking receiving portions 21 </ b> F and 21 </ b> R formed in the body portion 11. The locking receiving portions 21F, 21R are formed such that the outer surfaces of both positioning portions 13F, 13R are recessed in a stepped shape leaving an upper portion and a portion closer to the center, and are locked at a stepped portion bordering the upper portion. The claw portion 36 of the arm 35 can be locked. Also, on the upper surface of the lid 30 shown in FIG.
An operation unit 38 for opening the lid 30 is provided to protrude outside.

As described above, the fastening ring 5 for the battery terminals 1L and 1S is accommodated at the front and rear ends in the longitudinal direction of the main body 11 as shown in FIGS. Positioning unit 13 that functions for 1S positioning
F and 13R are provided. And the lid 3
By inverting the mounting direction of the “0” with respect to the main body 11, either one of the positioning portions 13F and 13R can be selectively covered.

More specifically, since the mounting hole 20 for mounting the lid portion 30 is provided at the center in the longitudinal direction of the main body portion 11, the lid portion 30 has an open portion as shown in FIGS. 8 with respect to the main body 11 in a direction in which the front portion faces frontward and a direction in which the open portion faces rearward as shown in FIG.
The positioning portions 13F and 13R can be covered even when they are attached in any direction different by 0 degrees. That is, the mounting hole 20 of the main body 11 that receives the mounting pin 31 of the lid 30
Can be commonly used for the two mounting directions of the lid 30.

As shown in FIG. 3, these positioning portions 13F and 13R have the same width on the outer surface, and as shown in FIG.
1F and 21R are provided one by one, so that even if the lid 30 is attached in any of the front and rear directions, the lid 30
Can be kept closed.

As shown in FIG. 3, the inner circumferential surfaces of these positioning portions 13F and 13R are provided with a tightening ring 5 of the clamp portion 4.
Are formed in a circular arc shape so that they can be closely adhered along the outer periphery before being fastened. Then, the diameter of the arcuate surfaces 22F, 22R is determined by the front and rear positioning portions 13F, 1
The settings are different for each of the 3Rs. Specifically, the diameter of the arc surface 22F of the front positioning portion 13F is larger than that of the arc surface 22R of the rear positioning portion 13R, and the front arc surface 22F is, as shown in FIG.
Of the two types of battery terminals 1L and 1S described above, the battery terminals 1L and 1S are formed to have a size capable of accommodating the tightening ring 5 of the large battery terminal 1L, and the rear arc surface 22R is, as shown in FIG. It is formed in a size that can accommodate the fastening ring 5.

As shown in FIG. 3, two prism-shaped receiving ridges 23 are formed on each of the positioning portions 13F and 13R near both ends of the ceiling surface.
Being able to come into contact with the tightening ring 5, the insertion depth position of the battery terminals 1 </ b> L, 1 </ b> S is defined together with the above-mentioned receiving rim 19, and the peripheral edge on the bottom side of the housed tightening ring 5 and the positioning portion The bottom surfaces of 13F and 13R are flush with each other.

In the lid 15 facing the front and rear positioning portions 13F and 13R, holding pieces 24F and 24R each having an arcuate edge protrude are provided. The holding pieces 24F and 24R are provided with the closing lid 15.
Is formed so as to protrude slightly outward from the outer surface thereof. Then, in a state in which the tightening ring 5 is accommodated in one of the positioning portions 13F, 13R, as shown in FIG. 6 or FIG. It is designed to regulate the moonlight.

This embodiment has the above-described structure, and its operation will be described below. The case where the protection cover 10 is attached to the battery terminal 1L having the larger fastening ring 5 first among the two types of battery terminals 1L and 1S is shown. In this case, since the fastening ring 5 is accommodated by the front positioning portion 13F, as shown in FIGS. 2 and 5, the mounting pin 31 is attached to the mounting hole while the opening of the lid 30 faces forward. 20 and the lid 30 is attached to the main body 11.
Attach to At this time, the lid 30 is attached to the main body 11 in a standing posture.

When the battery terminal 1L is fitted from the open portion on the bottom surface side of the main body 11, the tightening ring 5 is housed in a state of being substantially in close contact with the arc surface 22F of the positioning portion 13F as shown in FIG. The part 2 and a part of the electric wire W are accommodated from the central part 12 of the main body 11 to the rear positioning part 13R, and the extending end of the electric wire W is led out from the rear positioning part 13R. At this time, the battery terminal 1 </ b> L comes into contact with each of the receiving ridges 19 and the receiving ridges 23, so that the insertion depth into the main body 11 is regulated.

Subsequently, the closing lid 15 is closed and the lock piece 16 is closed.
Of the battery terminal 1 by inserting the locking claw 17 into the hooking band 18 of the main body 11 and locking it.
L is accommodated in the main body 11 and
F can hold down the peripheral edge on the bottom surface side of the fastening ring 5 to fix the battery terminal 1L.

Next, with the cover 30 opened, the battery post is fitted into the fastening ring 5 and the fastening bolt 7 is tightened, so that the battery terminal 1L and the battery post are electrically connected. Thereafter, as shown by the arrow in FIG. 7, when the lid 30 is displaced downward and left about the mounting pin 31, the claw 36 of the locking arm 35 is displaced.
Abuts on the upper end of the positioning portion 13F of the main body 11.
When the lid 30 is further rotated, the locking arm 35 is bent and deformed into the bending space S, so that the lid 30 is displaced downward. Then, when the claw portion 36 enters the locking receiving portion 21F, the locking arm 35 elastically returns,
When the claw portion 36 is locked by the locking receiving portion 21F,
The lid 30 is held by the main body 11 in a closed state. At this time, the upper and side portions of the clamp portion 4 of the battery terminal 1L accommodated in the positioning portion 13F are covered by the lid portion 30. Thus, the entire battery terminal 1L is protected by the protective cover 10.

The lid 30 thus closed is operated so that the operating portion 38 is flipped up, so that the claw portion 36 of the locking arm 35 and the lock receiving portion 21F are locked. The state is released, and the lid 30 can be returned to the posture in which the lid 30 stands up with respect to the main body 11 again.

On the other hand, a case where the protective cover 10 is attached to the battery terminal 1S having a small fastening ring 5 will be described. In this case, since the fastening ring 5 is housed in the main body 11 by the rear positioning portion 13R, FIG.
As shown in (2), the mounting pin 31 is inserted into the mounting hole 20 while the cover 30 is oriented so that the open portion faces rearward, and the cover 30 is mounted on the main body 11 in advance.

When the battery terminal 1S is mounted in the main body 11 as described above, the tightening ring 5 is housed in a state of being substantially in close contact with the circular arc surface 22R of the positioning portion 13R as shown in FIG. The peripheral edge on the bottom surface side is pressed by the pressing piece 24R. Then, as shown by the arrow in FIG. 10, the lid portion 30 is pivotally displaced to the lower right, so that the claw portion 36 of the locking arm 35 is positioned.
The lid 30 is locked by the lock receiving portion 21R on the outer surface of the 3R, and the lid portion 30 is held in a closed state covering the upper side and the side of the clamp portion 4.

As described above, according to the present embodiment,
One protective cover 10 can support two types of battery terminals 1L, 1S, and each size of battery terminals 1L, 1S.
The manufacturing cost can be reduced, the number of parts can be prevented from increasing, and parts management can be facilitated as compared with the case where the protective covers 10 dedicated to 1S are manufactured. Furthermore, a common mounting hole 2
0, the lid 30 can be attached in two directions that can cover both the positioning portions 13F and 13R. Therefore, the mounting holes 2 are provided for each of the positioning portions 13F and 13R.
It is not necessary to provide 0. Also, the positioning portions 13F, 13
Even when compared with the case where only one of R is provided, the main body 1
The protection cover 10 corresponding to the two types of battery terminals 1L and 1S can be provided without increasing the size of the battery cover 1 so much.

<Other Embodiments> The present invention is not limited to the embodiments described above with reference to the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition, various changes can be made without departing from the scope of the invention. (1) In the above-described embodiment, the case where two positioning portions are provided in the main body corresponding to two types of battery terminals has been described. However, when three or more types of battery terminals are used,
You may make it provide three or more positioning parts. In that case, each positioning portion is provided so as to protrude from the main body portion in a different direction, and each positioning portion is provided with a mounting hole for receiving a mounting pin of the lid portion. Then, by attaching the lid in a direction that can cover the positioning portion for accommodating the clamp portion of the battery terminal to be used, it is possible to provide a protective cover that also supports three or more types of battery terminals.

(2) Contrary to the above embodiment, a mounting pin may be provided on the main body and a mounting hole may be provided on the lid. (3) Further, as in the above-described embodiment, the present invention is not limited to a mode in which the lid is pivotally supported by the main body by fitting the pin and the hole. The present invention also includes a structure in which the lid is pivotally supported by the provision of the shaft rod. (4) In the above-described embodiment, the battery terminal is attached after the cover is attached to the main body in the corresponding direction, but this attaching procedure may be reversed.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of a protective cover.

FIG. 3 is a bottom view of the protective cover.

FIG. 4 is a front view of a protective cover.

FIG. 5 is a side view showing a state in which a lid is attached in a direction corresponding to a large battery terminal.

FIG. 6 is a bottom view of a protective cover attached to a large battery terminal.

FIG. 7 is a side view showing the operation of closing the lid.

FIG. 8 is a side view showing a state in which a lid is attached in a direction corresponding to a small battery terminal.

FIG. 9 is a bottom view of a protective cover attached to a small battery terminal.

FIG. 10 is a side view showing the operation of closing the lid.

[Explanation of symbols]

 1L, 1S… Battery terminal 2… Electric wire connection part 4… Clamp part 10… Protective cover 11… Main body part 13F, 13R… Positioning part 20… Mounting hole (mounting part) 30… Lid part 31… Mounting pin (mounting part) W …Electrical wire

Claims (2)

[Claims] 1. A protective cover for covering and protecting a battery terminal having a clamp portion which is tightened and connected to a battery post and an electric wire connecting portion for connecting an electric wire, wherein the protective cover covers the electric wire connecting portion. A main body to be attached,
A lid portion that can open and close the upper and side sides of the clamp portion; a positioning portion that is fitted to the clamp portion is provided in the main body portion; and the positioning portions have different sizes from each other. A battery provided with a plurality of components and an attachment portion capable of attaching the lid portion to the main body portion in a plurality of directions covering any one of the positioning portions. Terminal protection cover. 2. A pair of positioning portions having different sizes are provided on both sides of the main body portion, and the mounting direction is reversed so that the lid portion can selectively cover each of the positioning portions. 2. The battery terminal protection cover according to claim 1, wherein the battery terminal protection cover can be attached by being attached.