JPH09106802A - Battery connection terminal provided with cover and cover for battery connection terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily deal with the change of pitches between battery posts. SOLUTION: A cover 5 is composed of a pair of cover composing bodies 6, 7 and these bodies are provided with a storage part 8 to store connection bodies 3 of a battery connection terminal 1 and joining cylindrical parts 9, 10 which are fitted mutually in a manner that they can slide mutually and the length can be adjusted. Each joining cylindrical part 9, 10 are enabled to be opened and closed and a cover part 28 is installed in the storage part 8. Both joining cylindrical parts 9, 10 are opened and temporarily assembled, a battery connection terminal 1 is stored from a side, the joining parts are closed, and locking is done. Battery posts are inserted into insertion holes 4 of both connection bodies 3 and after the posts are fixed by nuts, the cover part 28 is closed. In the case where the pitch between posts is changed, the battery connection terminal is changed to a corresponding one and at the same time the joining cylindrical parts 9, 10 are stretched or contracted to adjust the length. The difference of pitches to some degree can be solved by adjusting the length of knitted electric wires 2 and the joining cylindrical parts 9, 10.

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 with a cover and a cover.

[0002]

2. Description of the Related Art In an electric vehicle, for example, a plurality of batteries are arranged in parallel, and a battery connection terminal is used to sequentially connect battery posts standing on the batteries to form a driving power supply. Conventionally, as a battery connecting terminal with a cover, the one described in JP-A-7-130353 is known, which will be described below with reference to FIG.

This device has a battery connecting terminal 61 and an insulating cover 62 for covering the battery connecting terminal 61. In the battery connection terminal 61, connection fittings 64 are fitted to both ends of a braided electric wire 63, and a bolt-shaped battery post 65 is attached to each connection fitting 64.
It has a structure in which an insertion hole 66 for inserting is inserted.
The one cover 62 includes a bottom plate 67 on which the battery connection terminals 61 can be positioned and placed, and an upper box 68 detachably attached to the upper surface of the bottom plate 67. 69 is provided.

That is, the battery connecting terminal 61 is the bottom plate 6
7 and the upper box 68 is put on the cover 7 so as to be housed in the cover 62 in advance.
It is passed between the battery posts 65 set to 0.
Then, the post 65 is inserted into each insertion hole 66 of the connection fitting 64 through the opening 71 of the bottom plate 67, and the lid portion 69 of the upper box 68 is inserted.
The nuts 72 are screwed and fixed to the projecting ends of the battery posts 65 while opening, and then the lid 69 is closed to fix the posts 65 of the adjacent batteries 70.
The battery connection terminals 61 are connected to each other and the battery connection terminals 61 are covered with the cover 62.

[0005]

By the way, when connecting two battery posts 65, the two connected battery posts 65 may be connected depending on the arrangement of the battery 70 or the position where the posts 65 are erected. The battery posts 65 are not always arranged at regular intervals. However, in the conventional case, since the interval between the two insertion holes 66 is fixed when the battery connection terminal 61 is mounted in the cover 62, the battery post is mounted when the pitch between the battery posts 65 changes as described above. There was a problem that it could not be done.

Further, when the batteries 70 are lined up, their positional displacements inevitably occur. However, even if the pitch between the battery posts 65 is slightly deviated due to such positional displacements, the battery connecting terminals 61 are I can not wear it. Therefore, there is a drawback that the work is troublesome, for example, it is necessary to shift the position of the battery 70 again to correct the pitch between the battery posts 65.

The present invention has been completed based on the above circumstances, and provides a battery connecting terminal with a cover and a battery connecting terminal cover which can easily cope with a change in the pitch between battery posts. The purpose is to provide.

[0008]

As a means for achieving the above object, the invention of claim 1 is capable of connecting two battery posts which have connecting portions at both ends of a conductor and are separated from each other. In a battery connection terminal with a cover, wherein a cover for covering the battery connection terminal is attached to the battery connection terminal, the length of the conductor of the battery connection terminal is adjustable, and the cover has the conductor. It is characterized in that the accommodating portion capable of accommodating the respective connecting portions is provided at both ends of the insertable portion, and the length of the insertable portion is adjustable. The invention of claim 2 is characterized in that, in the invention of claim 1, the cover is configured to be openable and closable so that the battery connection terminal can be inserted from the side.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the cover is provided with an openable / closable lid, and the battery connection terminal is mounted in the cover. It is characterized in that the connection portion can be attached to the corresponding battery post by opening the lid portion. According to a fourth aspect of the present invention, in each of the first, second and third aspects of the present invention, each accommodating portion of the cover is formed as a separate body, and the connecting tubular portion provided in each accommodating portion is long. The present invention is characterized in that the insertion portion is formed by slidably fitting along the depth direction.

According to a fifth aspect of the present invention, there is provided a cover which is provided to cover a battery connecting terminal used for connecting between two battery posts which have connecting portions at both ends of a conductor and which are separated from each other, A storage part is provided at each end of the insertion part through which the conductor of the battery connection terminal can be inserted, and the length of the insertion part is adjustable. It is characterized by

[0011]

According to the invention of claim 1, when the pitch of the battery posts is changed, a battery connecting terminal having a length corresponding to the pitch is prepared, and the insertion portion of the cover is inserted. You can easily adapt by changing the length. Further, even a slight pitch deviation can be easily dealt with by adjusting the length of the conductor portion of the battery connection terminal and the length of the insertion portion of the cover. According to the invention of claim 2, in addition to the above, by opening the cover, the battery connection terminal can be mounted from the side, and the mounting work in the cover can be simplified.

According to the third aspect of the present invention, in addition to the above, the battery connection terminal can be connected to the battery post from the state where the battery connection terminal is housed in the cover in advance, which is excellent in workability. According to the invention of claim 4, in addition to the above, the structure of the cover itself can be simplified.

Further, according to the cover of the invention of claim 5, even when the pitch of the battery post is changed and the length of the battery connecting terminal is changed, it is possible to easily cope with the change by changing the length of the insertion portion. be able to. Further, if the length of the conductor portion of the battery connection terminal is adjustable, it is possible to cope with a slight pitch deviation while adjusting the length of the insertion portion together with the conductor portion.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIG.
A description will be given with reference to FIG. As shown in FIG. 1, the battery connecting terminal 1 used in the present embodiment has, at both ends of a braided electric wire 2 formed into a strip shape by braiding a large number of electric wires,
The connection body 3 made of a metal plate is wound into a flat tubular shape and is fixed to the connection body 3. The connection body 3 has a shape in which the connection body 3 is penetrated through an insertion hole 4 of a bolt-shaped battery post 51 to be described later. The battery connection terminal 1 can be adjusted in length a little while bending the braided electric wire 2, and the size between the insertion holes 4 can be adjusted.

The cover 5 provided to cover the battery connection terminal 1 is composed of a pair of left and right cover components 6, 7. Each cover structure 6 and 7 is formed of a synthetic resin material and is formed in a substantially symmetrical shape. Next, the structure of each cover structure 6, 7 will be described in detail. Each of the cover structures 6 and 7 is composed of accommodating portions 8 and 8 for accommodating the connection body 3 of the battery connection terminal 1 and connecting tube portions 9 and 10 for inserting the braided electric wire 2.

The connecting tubular portion 9 of one cover structure 6 (on the right side in FIG. 1) is formed into a rectangular tubular shape having a constant cross-sectional area as a whole, and has a lower fixed portion 12 and an upper movable portion 13. And a movable part 13 with respect to the fixed part 12 via a hinge part 14 provided on the back side surface of FIG.
Is provided so that it can swing and open. The fixed portion 12 and the movable portion 13 have a window hole 18 opened in a lock piece 17 provided on the free end edge side of the movable portion 13 and fitted into a lock projection portion 19 formed on the outer surface of the fixed portion 12. As a result, it is locked in the closed state to form the above-mentioned square tube. An end face plate 15 is stretched on the end face of the movable portion 13 adjacent to the housing portion 8. An inward flange 20 for locking is formed over the entire circumference at the end of the connecting tube portion 9 on the side of connection with the mating connecting tube portion 10.

The connecting cylinder portion 10 of the other cover structure 7 is
The connecting end side with the mating connecting cylinder part 9 is made smaller so that it can be slidably fitted into the inner circumference of the inward facing collar 20 provided on the mating connecting cylinder part 9, and as a whole the step. It is formed so as to form a square tube shape. The connecting tubular portion 10 is also divided into a lower fixed portion 22 and an upper movable portion 23, and the hinge portion 24 is provided on the back side so that the movable portion 23 can swing and open relative to the fixed portion 22. . Similarly, the fixed portion 22 and the movable portion 23 are formed by fitting the window hole 18 of the lock piece 17 protrudingly provided on the free end side of the movable portion 23 into the lock protruding portion 19 formed on the outer surface of the fixed portion 22. It is locked in a closed state by means of to form the above-mentioned stepped rectangular tube. Similarly, an end face plate 26 is stretched on the end face of the movable portion 23 adjacent to the housing portion 8. Further, an outward flange 25 for locking is formed over the entire circumference at the end edge of the stepped portion 10a of the connecting tubular portion 10.

The accommodating portion 8 of each cover structure 6, 7 is formed symmetrically. Hereinafter, the housing portion 8 of the right cover structure 6 will be described, and the housing portion 8 of the left cover structure 7 will be denoted by the same reference numeral and redundant description will be omitted. The housing portion 8 includes a bottom portion 27 and a lid portion 28. The bottom portion 27 is the fixed portion 12 of the connecting tubular portion 9.
And a window hole 30 through which the battery post 51 and the washer 52 (see FIG. 2) can be inserted is opened on the bottom surface thereof.

An abutment portion 31 is provided at a position outside the window hole 30 in the bottom portion 27, and can be engaged with the inside edge of the lower surface of the connecting body 3 of the battery connecting terminal 1 inside. A locking projection 34 is provided (see FIG. 3). Further, side walls 32 are provided upright on both side edges along the axial direction of the bottom portion 27, and a pair of sandwiching protrusions 33 are formed on the inner surface of each side wall 32 on the side closer to the fixed portion 12 and the side farther from it. There is. That is, the connecting body 3 of the battery connecting terminal 1 is fitted while being sandwiched from the four sides by the abutting portion 31, the locking protruding portion 34, and the both holding protruding portions 33, and the bottom portion 27.
It is adapted to be held and stored in a predetermined position inside.

The lid portion 28 has a peripheral wall 3 on three edges of the ceiling plate 35.
The edge having the shape of 6 and not having the peripheral wall 36 is swingably connected to the end face plate 15 of the movable portion 13 of the connecting tube portion 9 via the hinge portion 37. More specifically, when the connecting cylinder portion 9 is closed, the lid portion 28 is openably and closably covered on the upper surface side of the bottom portion 27 via the hinge portion 37. The lid portion 28 abuts against the peripheral wall 36 at a position opposite to the side where the hinge portion 37 is provided.
The outer side of the bottom wall of the bottom wall
It is adapted to be fitted inside the side wall 32 of 7 to be closed. The lid portion 28 is locked in the closed state by fitting and locking the claw portions 39 provided on both side walls 36 of the lid portion 28 into the locking grooves 40 formed on the inner surface of the side wall 32 of the bottom portion 27. It has become so.

At the lower edges of the left and right peripheral walls 36 of the lid portion 28, escape recesses 42 for letting out the sandwiching protrusions 33 provided on the side walls 32 of the bottom portion 27 are cut out, and the ceiling plate 35 is formed. Since the end edge of the position opposite to the side where the hinge portion 37 is provided is formed to project beyond the peripheral wall 36,
An operation unit 43 for opening and closing is formed.

This embodiment has the above-described structure,
Next, the usage method will be described. As shown in FIGS. 2 and 3, when connecting between the battery posts 51 of two batteries 50 arranged side by side, first, both battery posts 5 are connected.
A battery connection terminal 1 corresponding to the pitch p1 between 1 is prepared. At the same time, as shown in FIG. 1, the connecting tubular portions 9 and 10 of both cover structures 6 and 7 are left open, and the stepped portion 10a side, which is one size smaller than the connecting tubular portion 10, is replaced with the mating portion. Both cover structural bodies 6 and 7 are temporarily assembled so as to be fitted inside the connecting tubular portion 9.

In this state, since the front side surface of the temporarily assembled cover 5 is open over the entire length, the battery connecting terminal 1 is laterally fitted into both cover structures 6, 7 through the opening. Then, the connectors 3 at both ends are fitted and housed in the bottom portions 27 of the left and right housing parts 8 in the same manner as described above. During this time, the temporarily assembled connecting tube portions 9 and 10 are adjusted so that the length thereof corresponds to the battery connecting terminal 1 while sliding on each other.

Subsequently, the connecting cylinder portions 9 and 10 of both cover components 6 and 7 are locked by rotating the movable portions 13 and 23 respectively. Then, as shown in FIG. 2, the stepped portion 10a, which is slightly smaller than the connecting cylinder portion 10, is fitted to the inner peripheral side of the mating connecting cylinder portion 9, and the length can be continuously adjusted. The collars 20 and 25 are connected to each other, and the collars 20 and 25 are engaged with each other to prevent the collars from coming off. Note that the lid portion 28 of each accommodation portion 8 is left open.

When the battery connecting terminal 1 and the cover 5 are assembled as described above, as shown in FIG. 2, the insertion holes 4 of both connecting bodies 3 of the battery connecting terminal 1 are accommodated in the cover constituting bodies 6 and 7. The battery post 51 is inserted through the window hole 30 provided in the bottom portion 27 of the portion 8. that time,
If there is a gap in the pitch between the battery posts 51 and the insertion holes 4 of the battery connection terminal 1, hold both ends of the cover 5 and pull it outward or push it inward to lengthen the length of the connecting tube portions 9, 10. When the height is adjusted, the pitch between the insertion holes 4 is adjusted to the pitch between the battery posts 51 while the braided electric wire 2 of the battery connection terminal 1 is slightly flexed and deformed accordingly. Is inserted.
At this time, since the connector 3 is housed in a state of being sandwiched and held by both the sandwiching protrusions 33, the abutting portions 31, and the locking protrusions 34, the connector 3 floats up from the bottom 27 of the container 8. The insertion work can be done smoothly without any trouble.

Then, by utilizing the fact that the lid portion 28 is opened, the battery post 51 protruding on the upper surface of the connection body 3 is formed.
The nut 54 with a seat is screwed onto the upper end of the and tightened and fixed. Finally, when the lid portion 28 is closed and locked, as shown in FIG. 3, the battery posts 51 of the adjacent batteries 50 are connected.
The spaces are connected by the battery connection terminal 1, and the battery connection terminal 1 is covered with the cover 5.

Depending on the type of battery, as shown in the battery 50a of FIG. 4, the pitch p2 between the battery posts 51 to be connected may be longer than the pitch p1 of the first embodiment. In that case, the battery connecting terminal 1a having a length corresponding to the pitch p2 between the battery posts 51 is prepared. Then, as in the first embodiment,
Both cover structures 6 and 7 are temporarily assembled, the battery connection terminal 1a is inserted from the side, and the both connection bodies 3 are fitted and accommodated in the bottom portions 27 of the left and right accommodating portions 8. During this time, the connecting cylinders 9 and 10 temporarily assembled are slidingly adjusted to each other so that the length thereof corresponds to the battery connecting terminal 1a.

Subsequently, the connecting cylinder portions 9 and 10 of both cover structures 6 and 7 are closed and locked, and then the insertion holes 4 of both connection bodies 3 are inserted into the battery posts 51. At that time, if there is a deviation in the pitch between the battery posts 51 and between the insertion holes 4 of the battery connection terminals 1a, similarly, both ends of the cover 5 may be pulled outward or pushed inward to connect the connecting tubular portion. When the lengths of 9 and 10 are adjusted, the pitch between the insertion holes 4 is adjusted to the pitch between the battery posts 51 while the braided electric wire 2 of the battery connection terminal 1a is flexibly deformed.
Is inserted into the battery post 51. Similarly, by utilizing the fact that the lid portion 28 is opened, the nut 54 with a seat is screwed and fixed to the upper end of the battery post 51 to be fixed, and finally the lid portion 28 is closed and locked. As shown in FIG.
The battery connection terminals 1a are connected to each other and the battery connection terminals 1a are covered with the cover 5.

On the contrary, when the pitch between the battery posts 51 to be connected is small, the battery connecting terminals corresponding to the pitch are prepared and the connecting cylinder portion 9 of the cover 5 is connected.
Adjust 10 to the corresponding length. Further, even when the pitch between the battery posts changes depending on the arrangement of the batteries, it is possible to deal with the same problem.

As described above, according to the present embodiment, when the pitch between the battery posts 51 to be connected is changed, the battery connecting terminals 1 and 1a suitable for them are prepared, while the cover 5 is connected. It is possible to easily cope with this by simply expanding and contracting the tubular portions 9 and 10 and adjusting the length thereof. Further, even if the pitch between the battery posts 51 is deviated, the braided electric wire 2 of the battery connection terminal 1
By adjusting the length while sliding both connecting cylinder portions 9 and 10, the pitch between both insertion holes 4 can be adjusted to that between battery posts 51, and battery post 51 can be inserted. It can be performed. That is, it is not necessary to re-install the battery one by one.

Further, in a state where both cover structures 6 and 7 are temporarily assembled, one side surface is opened over the entire length and the battery connection terminals 1 and 1a can be fitted from the side, so that the battery connection is made in the cover 5. The work of mounting the terminals 1, 1a can be easily performed. A lid 2 that can be opened and closed in both housings 8
8 is provided, the battery connection terminals 1, 1a can be connected to the battery post 51 from a state in which the battery connection terminals 1, 1a are housed in the cover 5 in advance, and the connector 3 is in a state in which lifting is restricted. Since it is held in the housing portion 8 by the above, the workability of assembling is also excellent.

<Other Embodiments> The present invention is not limited to the embodiment 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) Since the collars 20 and 25 provided on the connecting tubular portions 9 and 10 function as retaining stoppers for the both, they are not necessarily provided over the entire circumference and may be provided only partially.

(2) The accommodating portions of the cover may be connected to each other by an expandable and contractible cylindrical body such as a bellows. (3) The conductor of the battery connection terminal is not limited to the braided electric wire exemplified in the above embodiment, and other conductors whose length can be adjusted may be used.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an assembling operation of a battery connecting terminal.

FIG. 3 is a partially cutaway front view after assembly.

FIG. 4 is a partially cutaway front view showing an assembled state when the pitch of the battery posts is changed.

FIG. 5 is an exploded perspective view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Battery connection terminal 2 ... Braided electric wire (conductor) 3 ... Connection body 4 ... Insertion hole 5 ... Cover 6, 7 ... Cover structure body 8 ... Storage part 9, 10 ... Connection cylinder part 12 ... Fixed part 13 ... Movable part 14 ... Hinge part 20 ... Tsuba 22 ... Fixed part 23 ... Movable part 24 ... Hinge part 25 ... Tsuba 28 ... Lid part 37 ... Hinge part 50 ... Battery 1a ... Battery connection terminal 50a ... Battery

Claims (5)

[Claims] 1. A battery connection with a cover in which a cover for covering the battery connection terminal is attached to a battery connection terminal capable of connecting between two battery posts that have connection portions at both ends of a conductor and are separated from each other. In the terminal, the length of the conductor of the battery connection terminal can be adjusted, and the cover is provided with accommodating portions capable of accommodating the respective connecting portions at both ends of an insertion portion through which the conductor can be inserted. And a cover-equipped battery connecting terminal, wherein the length of the insertion portion is adjustable. 2. The battery connection terminal with a cover according to claim 1, wherein the cover is formed so as to be openable and closable so that the battery connection terminal can be inserted from the side. 3. An accommodating portion of the cover is provided with an openable / closable lid portion, and by opening the lid portion from a state in which the battery connection terminal is mounted in the cover, the battery post is made to correspond to the corresponding battery post. The battery connection terminal with a cover according to claim 1 or 2, which is attachable to the battery connection terminal. 4. Each of the accommodating portions of the cover is formed as a separate member, and the connecting tubular portions provided in each of the accommodating portions are slidably fitted along the lengthwise direction to allow the insertion portion to be inserted. Claims 1 and 2 are characterized in that
Alternatively, the battery connection terminal with the cover according to claim 3. 5. A cover provided to cover a battery connection terminal used for connecting between two battery posts spaced apart from each other and having connection portions at both ends of a conductor, wherein the battery connection terminal is electrically conductive. A cover for a battery connecting terminal, characterized in that at both ends of the insertion part through which the body can be inserted, accommodating parts for accommodating the respective connection parts are respectively provided, and the insertion part is adjustable in length. .