JP2002367595A - Battery terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery terminal facilitating fitting work. SOLUTION: This battery terminal has a battery terminal body 32 and a fastening device 33 acting as a fastening means. The fastening device 33 is composed of a bolt 55; a nut with gear 56 having a first gear 61 in the outer circumference and a screw part screwing with the bolt 55 in the inner circumference; a rotating member with gear 57 for a fastening tool having a second gear 62 meshing with the first gear 61 and operated from the upper side of an annular part; and a bracket 58 rotatably holding the rotating member with gear 57 on the upper side of the annular part and keeping the arrangement to the nut with gear 56.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery terminal provided with a battery terminal body having a battery post insertion hole, and a fastening means for reducing the diameter of the battery post insertion hole in a radial direction.

[0002]

2. Description of the Related Art In FIG. 8, a conventionally used battery terminal 1 is manufactured by pressing a conductive metal plate, and a pair of annular portions 3 and 4 for a battery post 2 and a pair of Joint plates 5, 6
And

[0003] A pair of annular portions 3, 4 are connected to respective ends of connecting portions 7, 7 as fastening portions bent in a substantially U-shape, and are disposed so as to overlap in the vertical direction. I have. Further, post insertion holes 8, 8 for inserting the battery post 2 are formed in the centers of the annular portions 3, 4, respectively. Contact portions 9, 9 for contacting the battery post 2 are formed in the post insertion holes 8, 8 in a bent manner. The annular portions 3, 4 are divided at one place in the circumferential direction of the post insertion holes 8, 8, and fastening gaps 10, 10 are formed open there.

[0004] A pair of joining plates 5 and 6 are respectively connected to the opposite sides of the connecting portions 7 and 7 of the annular portions 3 and 4. Also,
The joining plates 5 and 6 are arranged so as to overlap in the vertical direction. The lower joining plate 6 has side walls 11, 11, the tips of which face upward.
Outside the side walls 11, the side walls 12, 12 of the upper joint plate 5, the tip of which faces downward, are arranged. A terminal fixing bolt 13 that penetrates the upper joining plate 5 is provided upright on the lower joining plate 6. The terminal fixing bolt 13 is accommodated in a space formed by the joining plates 5 and 6.

The external connection terminal 14 inserted and fixed to the terminal fixing bolt 13 is connected to the electric wire 1 on the vehicle body side.
5 and is fastened by a nut 17 together with a washer 16. The external connection terminal 14 includes: an electric contact portion 19 having a bolt insertion hole 18;
The electric contact portion 19 is provided with an electric wire connecting portion 20 which is continuous with the electric contact portion 19 and crimps an end of the electric wire 15.

In the above configuration, the battery terminal 1 is attached to the battery post 2 by connecting the bolt 21 inserted through the connecting portions 7 of the annular portions 3 and 4 to the nut 2.
2, and the tightening gaps 10, 10 are narrowed. At this time, the contact portions 9 of the post insertion holes 8 contact the battery post 2.

[0007]

In the prior art, the nut 22 is tightened from the side (horizontal direction) of the battery post 2 with a tool such as an impact wrench to attach the battery terminal 1 to the battery post 2. I was working. However, in the recent overcrowding of the installed components in the engine room,
The above-mentioned tool easily interferes with the installation parts, which has affected the work relating to the mounting of the battery terminal 1.

[0008] The present invention has been made in view of the above-mentioned circumstances, and has as its object to provide a battery terminal capable of facilitating work related to mounting.

[0009]

According to a first aspect of the present invention, there is provided a battery terminal in which a battery post insertion hole into which a battery post is inserted is partially cut off. A battery having an annular portion penetrating in the up-down direction, and a pair of fastening portions provided in parallel with the annular portion with an insertion space penetrating in the left-right direction and a fastening gap communicating with the partially cut portion. A battery terminal comprising: a terminal main body; and a tightening means for reducing the diameter of the battery post insertion hole by bringing the pair of tightening portions closer to each other via the tightening gap, wherein the tightening means includes the insertion space. And a screw having a first gear on the outer periphery and a threaded portion formed on the inner periphery for screwing to the bolt. A rotating member with a gear for a tightening tool having a second nut meshed with the first gear and operated from the upper side of the annular portion; and the rotating member with the gear rotatable on the upper side of the annular portion. And a bracket for maintaining the arrangement with the geared nut while holding the gear.

According to a second aspect of the present invention, in the battery terminal according to the first aspect, the structure of the fastening means is selected as required for upper fastening as required. I have.

According to the first aspect of the present invention,
The operation of the fastening means is performed above the annular portion of the battery terminal body. The operation is started by rotating the geared rotary member above the annular portion. Then, when the geared rotating member rotates and the geared nut is rotated, the screwing of the geared nut and the bolt proceeds, and the pair of tightening portions are tightened in a direction approaching each other. As a result, the battery post insertion hole shrinks in the diameter reducing direction, and the battery post insertion hole is pressed against the battery post, thereby completing the connection of the battery terminal.

According to the second aspect of the present invention,
The above configuration is selected as the fastening means when it is necessary for upper fastening.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing an embodiment of the battery terminal of the present invention. FIG. 2 is a front view, FIG. 3 is a right side view, and FIG. 4 is a shape explanatory view of a connecting portion as a fastening portion viewed from a fastening gap.

1 to 3, the battery terminal 31 has a battery terminal body 32 and a fastening device 33 (corresponding to fastening means described in the claims) composed of a plurality of components. The tapered battery post 34 is wound around the tapered battery post 34 having a diameter on the distal end side smaller than the diameter on the proximal end side.

The battery terminal main body 32 includes:
It is manufactured by pressing a metal plate having conductivity, and includes a pair of annular portions 35 and 36, a pair of connecting portions 37 and 37 (corresponding to a fastening portion described in the claims), and a pair of annular portions 35 and 36. It has joining plates 38 and 39. The battery terminal main body 32 includes a pair of joining plates 3.
It has a terminal fixing bolt 40 held by 8, 39. In addition, when the axial direction of the battery post 34 is defined as the vertical direction, and the distal end side of the battery post 34 is defined as the upper side and the base end side is defined as the lower side, in this specification, the annular portion 35 is the upper side and the annular portion 36 is the lower side. These are arranged. Similarly, these are arranged so that the joining plate 38 is on the upper side and the joining plate 39 is on the lower side.

The annular portion 35 has a flat upper substrate 41. At the approximate center of the upper substrate 41, a battery post insertion hole 42 for inserting the battery post 34 is provided.
Are formed in the vertical direction. Engaging portions 43, 43 each having a front end directed downward, are coupled to both left and right end portions of the upper substrate 41, respectively.

The battery post insertion hole 42 is a portion that comes into contact with the peripheral side surface of the battery post 34 and is formed by bending the upper substrate 41 so that the tip is directed downward. The battery post insertion hole 42 is formed in an annular shape in accordance with the diameter of the tip of the battery post 34. Furthermore, the battery post insertion hole 42
The portion between the connecting portions 37, 37 is formed in a divided state. Reference numeral 44 indicates a part of the battery post insertion hole 42 which is partially cut.

The annular portion 36 has a flat lower substrate 45. A battery post insertion hole 46 for inserting the battery post 34 is provided substantially at the center of the lower substrate 45.
Are formed in the vertical direction. Further, engaging portions 47, 47 (only one is shown, the same applies hereinafter) are formed at both left and right end portions of the lower substrate 45, the leading ends of which are directed upward.

The battery post insertion hole 46 is a portion that comes into contact with the peripheral side surface of the battery post 34 and is formed by bending the lower substrate 45 so that the tip faces downward. Further, the battery post insertion hole 46 is formed in an annular shape in accordance with the diameter of the base end side of the battery post 34. Furthermore, the battery post insertion hole 46 is
The portion between the connecting portions 37, 37 is formed in a divided state. Reference numeral 48 indicates a part of the battery post insertion hole 46 which is partially cut.

The engaging portions 43, 43 of the upper substrate 41 and the engaging portions 47, 47 of the lower substrate 45 are arranged such that their tips face each other. Further, the tips are arranged in a state of contact or close proximity.

The connecting portions 37, 37 are portions for connecting the upper substrate 41 and the lower substrate 45 so that they are vertically overlapped, and are formed in a U-shaped curved state (see FIG. 4). I have. That is, one end of each of the connecting portions 37 is connected to the front end of the upper substrate 41 (to the left and right sides of the partially cut portion 44 at the front end), and the other end is connected to the front end of the lower substrate 45. (Coupled to the left and right sides of the partially cut portion 48 at the front end). In addition, the connecting portions 37 are connected to the partially cut portions 44, 4.
8 are provided side by side in the left-right direction with a fastening gap 49 communicating with the base member 8. Insertion spaces 50, 50 (see FIG. 4, only one of which is shown) penetrating in the left-right direction are formed inside the U-shaped curved shape (see FIG. 4).

The joining plate 38 includes a contact plate portion 51 connected to the rear end of the upper substrate 41 and downward side walls 52, 52 (only one is shown) connected to both left and right ends of the contact plate portion 51.
And is configured. The contact plate portion 51 is a rectangular flat plate, and a bolt insertion hole for the terminal fixing bolt 40 is formed in the center thereof.

The joining plate 39 includes a bolt standing plate portion 53 connected to the rear end of the lower substrate 45 and the bolt standing plate portion 53.
Side walls 54, 54 coupled to the left and right ends and the rear end of the
54 (only two are shown). Outside the side walls 54, 54, the side walls 52, 52 of the joining plate 38 are arranged.

The external connection terminals 1 as described in the prior art are formed by the joining plates 38, 39 and the terminal fixing bolts 40.
4 (see FIG. 8).

The tightening device 33 brings the connecting portions 37, 37 closer to each other via the tightening gap 49, and shrinks the battery post insertion holes 42, 46 in the radial direction, and includes a bolt 55 and a geared nut 56. , A rotating member 57 with gears, and a bracket 58.

The bolt 55 is inserted into the insertion space 50 formed by the connecting portion 37,
9 and a head 60 that is in contact with the battery terminal main body 32 and is prevented from rotating.

The nut 56 with a gear is screwed into a screw portion 59 protruding from the insertion space 50, and a screw portion (not shown) corresponding to the screw portion 59 is formed on the inner periphery thereof. A first gear 61 as shown is formed on the outer periphery of the geared nut 56.

The geared rotating member 57 rotates the geared nut 56 and the geared nut 56 and the bolt 5
5, a second gear 62 meshing with the first gear 61, a shaft (not shown) having one end coupled to the second gear 62, and a shaft (not shown). And a tool engaging part 63 coupled to the other end of the tool.

The bracket 58 is an L-shaped plate member. The bracket 58 is configured to hold the geared rotating member 57 rotatably on the upper substrate 41 side of the battery terminal main body 32 while maintaining the arrangement with the geared nut 56. Has become.

More specifically, the bracket 58 is an L-shaped plate member composed of a flat plate extending in the vertical direction and a flat plate extending in the horizontal direction, and the flat plate extending in the vertical direction is provided with the connecting portion 37 and the gear. It is arranged between a nut 56 (the bolt 55 is inserted in the center). The flat plate along the horizontal direction is a rotating member 57 with a gear in a state where the first gear 61 and the second gear 62 are engaged.
(The shaft is inserted in the center. The tool engagement portion 63 is arranged on the upper surface side, and the second gear 62 is arranged on the lower surface side).

It should be noted that the bracket 5 allows the bolt 5
5 (or the rotating shaft of the first gear 61) and the second gear 6
2 is orthogonal to the rotation axis L2. Also,
Rotation axis L2 of second gear 62 and battery post insertion hole 4
The axes L3 of 2, 46 are parallel to each other.

Next, connection of the battery terminal 31 to the battery post 34 based on the above configuration will be described. In addition, it is assumed that installation components (not shown) are installed in the vicinity of a battery (not shown) provided with the battery post 34 in a state of being densely arranged in the horizontal direction.

First, the battery post 34 is moved in the direction of the arrow P (corresponding to the vertical direction) to bring the battery post insertion holes 42 and 46 into contact with the peripheral side surface of the battery post 34. Next, the battery terminal main body 32 is arranged in a predetermined direction. Subsequently, the tool engagement portion 63 is rotated in the direction of the arrow Q with a tool (not shown) such as an impact wrench from above the battery terminal main body 32 (from the vertical direction) to perform a tightening operation related to connection.

In the tightening operation, the tool engaging portion 6
When 3 rotates in the direction of arrow Q, the action is applied to the first gear 61 that meshes with the second gear 62, and the nut with gear 56 rotates in the direction of arrow R. Thereby, the nut 5 with the gear
The screwing between the bolt 6 and the bolt 55 progresses, and the connecting portions 37, 37 are tightened in a direction approaching each other (see the arrow S direction).
Then, the battery post insertion holes 42 and 46 are contracted in the diameter reducing direction, and the battery post insertion holes 42 and 46 are pressed against the peripheral side surface of the battery post 34. The connection of the battery terminal 31 is completed.

As described above, the battery terminal 31 can be connected to the battery post 34 by operating a tool (not shown) such as an impact wrench from above the battery terminal body 32 (from the vertical direction). Therefore, interference between the above-mentioned tool (not shown) and the installation parts (not shown) around the battery can be reliably avoided, and the work related to the connection of the battery terminal 31 (the work related to attachment) can be easily performed.

Next, another embodiment of the battery terminal according to the present invention will be described with reference to FIGS. 5 is a plan view, FIG. 6 is a front view, and FIG. 7 is a right side view. The same components as those described above are denoted by the same reference numerals and description thereof will be omitted.

5 to 7, the battery terminal 71 has the same battery terminal body 32 as described above, and a tightening device 72 (corresponding to a tightening means described in the claims) composed of a plurality of components. And wound around the battery post 34.

In the same manner as described above, the tightening device 72 brings the connecting portions 37, 37 as tightening portions close to each other via the tightening gap 49, and shrinks the battery post insertion holes 42, 46 in the diameter reducing direction. , Bolt 5
5, a nut 73 with a gear, a rotating member 74 with a gear
And a bracket 75.

The nut with gear 73 is screwed to a screw portion 59 protruding from the insertion space 50, and a screw portion (not shown) corresponding to the screw portion 59 is formed on the inner periphery thereof. A first gear 76 as shown is formed on the outer periphery of the geared nut 73.

The rotating member with gear 74 rotates the nut with gear 73 and the nut with gear 73 and the bolt 5.
5, and a second gear 77 that meshes with the first gear 76, a shaft 78 on which the second gear 77 is formed, and one end of the shaft 78. And a tool engaging portion 79 to be coupled.

The bracket 75 is a U-shaped plate member. The bracket 75 holds the rotating member 74 with gears rotatably on the upper substrate 41 side of the battery terminal body 32 while maintaining the arrangement with the nut 73 with gears. Has become.

More specifically, the bracket 75 is a U-shaped plate member composed of a flat plate extending in the vertical direction and upper and lower flat plates extending in the horizontal direction. It is arranged between the geared nut 73 (the bolt 55 is inserted in the center). The flat plate along the upper horizontal direction rotatably holds the rotating member with gear 74 in a state where the first gear 76 and the second gear 77 are engaged with each other (a shaft 78 is inserted through the center). The tool engagement portion 79 is arranged on the upper surface side, and the second gear 77 is arranged on the lower surface side.) Further, the lower flat plate along the horizontal direction holds the other end of the shaft 78 rotatably.

Note that the bracket 75 allows the bolt 5
5 (or the rotation axis of the first gear 76) and the second gear 7
7 is orthogonal to the rotation axis L4 with an interval. Further, the rotation axis L4 of the second gear 77 and the axis L3 of the battery post insertion holes 42 and 46 are parallel to each other.

The connection of the battery terminal 71 to the battery post 34 based on the above configuration will be described. In addition, it is assumed that installation components (not shown) are installed in the vicinity of a battery (not shown) provided with the battery post 34 in a state of being densely arranged in the horizontal direction.

First, the battery post 34 is moved in the direction of the arrow P (corresponding to the vertical direction) to bring the battery post insertion holes 42 and 46 into contact with the peripheral side surface of the battery post 34. Next, the battery terminal main body 32 is arranged in a predetermined direction. Subsequently, the tool engaging portion 79 is rotated in the direction of the arrow Q with a tool (not shown) such as an impact wrench from above the battery terminal main body 32 (from the vertical direction) to perform a tightening operation for connection.

In the tightening operation, the tool engaging portion 7
When 9 rotates in the direction of arrow Q, the action is exerted on the first gear 76 meshing with the second gear 77, and the nut 73 with gear rotates in the direction of arrow R. As a result, the geared nut 7
The screwing between the bolt 3 and the bolt 55 progresses, and the connecting portions 37 are tightened in a direction approaching each other (see the arrow S direction).
Then, the battery post insertion holes 42 and 46 are contracted in the diameter reducing direction, and the battery post insertion holes 42 and 46 are pressed against the peripheral side surface of the battery post 34. The connection of the battery terminal 71 is completed.

As described above, the battery terminal 71 can be connected to the battery post 34 by operating a tool (not shown) such as an impact wrench from above the battery terminal main body 32 (from the vertical direction). Therefore, interference between the above-mentioned tool (not shown) and the installation parts (not shown) around the battery can be reliably avoided, and the work related to the connection of the battery terminal 71 (the work related to attachment) can be easily performed.

As can be seen from the above two embodiments, it is possible to divert the battery terminal main body 32 and the corresponding parts described in the conventional example. Thus, when it is necessary to tighten from above due to a problem in the layout of the engine room, the above-described tightening device 33 or 72 may be used. If there is no problem in layout, the type of tightening from the side described in the conventional example may be used. Needless to say, costs can be reduced. In addition, it goes without saying that the present invention can be variously modified and implemented without departing from the gist of the present invention. That is, in the above description, the battery terminal main body 32 is formed by press working. However, the present invention is not limited thereto, and the battery terminal main body 32 may be formed by casting or the like. become). Further, if formed by pressing, a type formed of a band-shaped metal plate having an electrode gripping part fitted externally to the battery post and a pair of legs extending opposite from both ends of the electrode gripping part. (Japanese Patent Application Laid-Open No. 11-20417 previously proposed by the applicant of the present application)
9) can be applied to the battery terminal body.

[0049]

As described above, according to the first aspect of the present invention, the operation of the fastening means can be performed above the annular portion of the battery terminal body. That is, it can be performed by upper tightening. This allows
Interference between the fastening tool with respect to the fastening means and the installation components around the battery can be reliably avoided, and the work relating to the attachment of the battery terminal can be facilitated.

According to the second aspect of the present invention,
It can be selected when necessary for top tightening.
Therefore, cost can be reduced.

[Brief description of the drawings]

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

FIG. 2 is a front view of the battery terminal of FIG. 1;

FIG. 3 is a right side view of the battery terminal of FIG. 1;

FIG. 4 is an explanatory diagram of a shape of a connecting portion as a fastening portion viewed from a fastening gap.

FIG. 5 is a plan view showing another embodiment of the battery terminal according to the present invention.

FIG. 6 is a front view of the battery terminal of FIG. 5;

FIG. 7 is a right side view of the battery terminal of FIG. 5;

FIG. 8 is an external perspective view of a conventional battery terminal.

[Explanation of symbols]

 31, 71 Battery Terminal 32 Battery Terminal Main Body 33, 72 Tightening Device (Tightening Means) 34 Battery Post 35, 36 Annular Portion 37 Connecting Portion (Tightening Portion) 38, 39 Joint Plate 40 Terminal Fixing Bolt 41 Upper Board 42, 46 Battery Post Insertion holes 43, 47 Engaging parts 44, 48 Partially cut part 45 Lower substrate 49 Tightening gap 50 Insertion space 51 Contact plate part 52, 54 Side wall 53 Bolt standing plate part 55 Bolt 56, 73 Geared nut 57, 74 Rotating member with gear 58, 75 Bracket 59 Screw part 60 Head 61, 76 First gear 62, 77 Second gear 63, 79 Tool engagement part 78 Shaft

Claims (2)

[Claims] An annular portion formed in a vertical direction with a part of a battery post insertion hole for inserting a battery post inserted therein, an insertion space penetrating in a left and right direction, and the part of the partially cut part. A battery terminal main body having a pair of tightening portions provided in parallel with the annular portion with a tightening gap communicating therewith, and the battery post insertion hole by bringing the pair of tightening portions closer to each other through the tightening gap A tightening means for reducing the diameter in the radial direction, comprising: a bolt inserted into the insertion space, a first gear on the outer periphery, and screwed to the bolt on the inner periphery. A nut with a gear formed with a screw portion to be tightened, and a second gear meshing with the first gear, the tightening being operated from above the annular portion A rotating member with a gear for a tool, and a bracket for maintaining the arrangement of the nut with a gear while rotatably holding the rotating member with the gear on the upper side of the annular portion. Battery terminal. 2. The battery terminal according to claim 1, wherein the structure of the tightening means is selected as required for upper tightening.