JP2010040258A - Battery terminal unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inexpensive terminal unit including a battery terminal capable of being applied to various kinds of batteries. <P>SOLUTION: The battery terminal unit U is provided with a battery terminal 20 having a post fitting part 21 to be connected to a battery post 12 provided erectingly on a battery 10 and a bolt holding part 22 which is integrally provided with the post fitting part 21 and houses a head part of the stud bolt 24 and holds the stud bolt 24 in an upright state, and a rotation regulating member 40 made of synthetic resin fixed on the battery terminal 20. The rotation regulating member 40 is provided with a body 41 capable of regulating a fixation angle of the battery terminal 20 to the battery post 12 by making the battery post 12 contact with the battery 10 in a state that it is connected with the battery post 12 and a press-fit part provided integrally with the body 41 and press-inserted into an opening formed on a side face of the bolt holding part 22 so as to put the rotation regulating member 40 into a fixed condition with the battery terminal 20. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a battery terminal unit.

Conventionally, what was described in following patent document 1 is known as an example of the battery terminal connected with respect to the battery post erected on the upper surface of batteries, such as a car. The battery terminal has a post fitting portion that is fitted and connected to the battery post, a wire connection portion that is connected to the electric wire, and a handle portion that connects the post fitting portion and the wire connection portion. A detent piece is formed protruding from the portion. When the post fitting portion is fitted and connected to the battery post, even if a tightening torque is applied to tighten the bolt of the post fitting portion, the rotation stopper piece comes into contact with the side surface of the battery, so that the battery terminal Can be prevented.
JP-A-11-135102

  By the way, in what was described in patent document 1 mentioned above, while a rotation prevention piece is integrally formed in a battery terminal, the length dimension which adapts to the positional relationship of the contact location by the side of a battery, and a battery post, and It has a shape.

  On the other hand, for example, depending on the type of battery, the installation position of the battery post may be changed. Even for the same type of battery, the installation position of the battery terminal relative to the battery according to the external environment of the battery, etc. Is changed, and the contact portion on the battery side with respect to the rotation stopper piece may be changed accordingly. As described above, since the positional relationship between the contact portion on the battery side and the battery post can be variously changed, it is necessary to manufacture various types of battery terminals having different lengths and shapes of the rotation stopper pieces. For this reason, there has been a problem that the cost required for manufacturing the battery terminal and the like is also increased.

  The present invention has been completed based on the above-described circumstances, and an object thereof is to reduce the cost.

  The battery terminal unit according to the present invention includes a post fitting portion connected to a battery post erected on the battery, and a head portion of the stud bolt that is provided integrally with the post fitting portion and accommodates the stud bolt. In a battery terminal unit comprising a battery terminal having a bolt holding portion that is held in an upright state and a rotation restriction member made of a synthetic resin attached to the battery terminal, the rotation restriction member includes the battery terminal A main body that can regulate the mounting angle of the battery terminal with respect to the battery post by contacting the battery while being connected to the battery post, and is provided integrally with the main body and formed on a side surface of the bolt holding portion. The pressure that causes the rotation restricting member to be fixed to the battery terminal by being press-fitted into the opened opening. And a part.

  In this way, even when conditions such as the positional relationship between the battery-side contact portion and the battery post with respect to the main body portion are different, the above-described conditions for the rotation restricting member that is relatively inexpensive to manufacture compared to the battery terminal If a battery that conforms to the above is prepared, it is possible to use a common product for battery terminals that are relatively expensive to manufacture, and it is possible to respond at low cost as a whole. Furthermore, since the rotation restricting member is fixed to the battery terminal by a press-fitting portion that is press-fitted into an opening formed on the side surface of the bolt holding portion of the battery terminal, rattling is unlikely to occur between the two. Therefore, a high rotation restricting function can be exhibited.

The following configuration is preferable as an embodiment of the present invention.
(1) A bolt rotation restricting portion capable of restricting the rotation of the stud bolt with respect to the bolt holding portion by engaging the head of the stud bolt at the lip of the opening in the bolt holding portion. Is provided, and the press-fitting portion is provided with a retaining protrusion capable of retaining the rotation restricting member from the battery terminal by being engaged with the bolt rotation restricting portion. In this way, the rotation restricting member can be fixed to the battery terminal with a high holding force.

(2) The press-fitting portion protrudes along the attachment direction with respect to the battery terminal from the main body portion, and is inserted into the opening, and the insertion portion intersects the attachment direction from the peripheral surface of the insertion protrusion. A first rib projecting in the direction of 1 and squeezable by a lip of the opening, and projecting in a second direction opposite to the first direction from the peripheral surface of the insertion projection. A second rib that can be crushed by the lip of the opening, and a plurality of at least one of the first rib and the second rib are provided. If it does in this way, when an insertion protrusion is inserted in an opening part, a 1st rib and a 2nd rib will be crushed by the edge of an opening part, and holding of a rotation control member will be made. At this time, since at least one of the first rib and the second rib is provided in plural, so-called rolling in which the insertion protrusion is inclined around the axis in the opening can be prevented.

(3) The press-fitting portion protrudes from the main body portion along the attachment direction with respect to the battery terminal and is inserted into the opening, and an insertion protrusion intersects the attachment direction from the peripheral surface of the insertion protrusion. A first rib projecting in the direction of 1 and squeezable by a lip of the opening, and projecting in a second direction opposite to the first direction from the peripheral surface of the insertion projection. A second rib that can be crushed by the lip of the opening, and the insertion protrusion is provided with a thinning portion, and the thinning portion is viewed from the front in the mounting direction. The first rib and the second rib are formed so as to deviate from a line connecting protruding ends of the second rib. If it does in this way, when an insertion protrusion is inserted in an opening part, a 1st rib and a 2nd rib will be crushed by the edge of an opening part, and holding of a rotation control member will be made. Since the insertion protrusion is provided with a thinned portion, it is possible to prevent sinking of the insertion protrusion and improve the dimensional accuracy of the insertion protrusion, so that a desired holding force can be obtained more reliably. It is done. Here, as the first rib and the second rib are crushed, a compressive force acts on the insertion protrusion, and the compression force is the same as the first rib and the second rib when the insertion protrusion is viewed from the front in the mounting direction. It becomes the largest on the line connecting the protruding ends of the two ribs. However, since the thinned portion is formed so as to deviate from the above line, even if a compressive force acts on the insertion protrusion due to the crushing of the first rib and the second rib, the meat escapes to the thinned portion. It has become difficult. Therefore, a high holding force can be obtained.

(4) The insertion protrusion has a third rib that protrudes from a peripheral surface thereof in a third direction intersecting the first direction and the second direction and can be crushed by a lip of the opening. When the insertion protrusion is viewed from the front in the mounting direction, the lightening portion is formed so as to be separated from the line passing the protruding end of the third rib along the third direction. Yes. In this way, when the press-fitting portion is press-fitted into the opening, the third rib protruding toward the third direction is crushed, so that there is more rattling between the battery terminal and the rotation restricting member. Is less likely to occur. Here, when the third rib is crushed, the compressive force acting on the insertion protrusion is on a line along the third direction and passing through the protruding end of the third rib when the insertion protrusion is viewed from the front in the mounting direction. Become the largest. However, since the thinned portion is formed so as to deviate from the above line, even if a compressive force acts on the insertion protrusion as the ribs are crushed, the meat is difficult to escape to the thinned portion. Therefore, a higher holding force can be obtained.

(5) The press-fitting portion protrudes along the attachment direction with respect to the battery terminal from the main body portion, and is inserted into the opening, and an insertion protrusion intersects the attachment direction from the peripheral surface of the insertion protrusion. A first rib projecting in the direction of 1 and squeezable by a lip of the opening, and projecting in a second direction opposite to the first direction from the peripheral surface of the insertion projection. A second rib that can be crushed by the lip of the opening is provided, and the first rib and the second rib are offset from each other. If it does in this way, when an insertion protrusion is inserted in an opening part, a 1st rib and a 2nd rib will be crushed by the edge of an opening part, and holding of a rotation control member will be made. Here, since the first rib and the second rib are arranged offset with respect to each other, the compressive force acting on the insertion protrusion as the first rib and the second rib are crushed is easily dispersed, and the press-fitting is performed. Necessary operating force can be reduced. Therefore, the workability of attaching the rotation restricting member to the battery terminal is improved.

(6) A plurality of the press-fitting portions are arranged side by side along a direction orthogonal to the axial direction of the battery post and the mounting direction of the rotation restricting member with respect to the battery terminal. If it does in this way, it will become difficult to incline a rotation control member around the axis line of a battery post with respect to a battery terminal. Therefore, a high rotation restricting function can be exhibited.

(7) The main body portion is provided with an elastic locking piece that can enter the opening portion together with the press-fit portion and can be locked to a locking portion formed on a wall constituting the bolt holding portion. Yes. In this way, the rotation restricting member can be fixed to the battery terminal with a high holding force by the elastic locking piece in addition to the press-fit portion. Since the stress that can act on the elastic locking piece in the locked state is smaller than that of the press-fitting portion, the elastic locking piece hardly undergoes thermal deformation, and the deterioration of the holding force with time can be prevented.

(8) The elastic locking piece is provided integrally with the press-fit portion by forming a thinned portion in the press-fit portion, and can be retracted into the thinned portion during elastic deformation. In this way, by integrating the elastic locking piece with the press-fit portion, the strength of the elastic locking piece is increased and a high holding force is obtained. In addition, sinking of the press-fit portion can be prevented by the thinned portion, and the dimensional accuracy of the press-fit portion can be improved, so that a desired holding force can be obtained more reliably.

(9) The press-fitting portion protrudes from the main body portion along the attachment direction with respect to the battery terminal and is inserted into the opening portion, and intersects the attachment direction from the peripheral surface of the insertion protrusion portion. A first rib protruding toward the first direction and squeezable by a lip of the opening, and protruding from a peripheral surface of the insertion protrusion toward a second direction opposite to the first direction. A second rib that can be crushed by a lip of the opening, and the elastic locking piece and the lightening portion are provided on the insertion protrusion, and the first direction and the second direction. They are arranged side by side in the crossing direction. In this way, when the insertion protrusion is inserted into the opening, the first rib and the second rib are crushed by the lip of the opening, and the elastic locking piece is locked to the locking portion. Thus, the rotation restricting member is held against the battery terminal. Here, stress in the direction along the first direction and the second direction from the crushed first and second ribs acts on the mouth edge of the opening in the bolt holding portion. Since the elastic locking piece and the cutout portion are arranged in a direction intersecting the first direction and the second direction, the locking depth of the locking portion with respect to the elastic locking piece is reduced by the stress. There is nothing to do. Therefore, a high holding force can be obtained.

  According to the present invention, cost reduction can be achieved.

<Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. In this embodiment, the battery terminal unit U which consists of the battery terminal 20 connected to the battery 10 mounted in the motor vehicle, and the rotation control member 40 attached to the battery terminal 20 is illustrated. In the following, the vertical direction is based on FIGS. 3 to 5, 7 to 9, 11, 13, 14, and 16. In addition, a part of each drawing shows an X-axis, a Y-axis, and a Z-axis, and each axial direction is drawn to be a direction shown in each drawing.

  As shown in FIGS. 10 to 13, the battery 10 includes a battery body 11 having a substantially box shape and a substantially columnar battery post 12 erected from the upper surface 11 a. The battery post 12 is made of lead or the like, and is installed in the vicinity of the corner position of the upper surface 11a of the battery body 11. The battery post 12 includes a pair of side surfaces 11b and 11c that form corner portions of the battery body 11 together with the upper surface 11a of the battery body 11. A predetermined distance is left between each. A battery terminal 20 to be described below is connected to the battery post 12.

  The battery terminal 20 is formed in a desired shape by press-molding a metal plate. As shown in FIGS. 1 to 3, the battery terminal 20 includes a post fitting portion 21 that is fitted and connected to the battery post 12. The bolt holding part 22 that holds the stud bolt 24 to which the metal fitting (not shown) is provided at the end of the electric wire is connected to the bolt holding part 22 in an upright state by the connecting part 23. Yes. The post fitting part 21, the connecting part 23, and the bolt holding part 22 are arranged in a straight line along the X-axis direction (attachment direction of the rotation restricting member 40 to the battery terminal 20). Among these, the rotation restricting member 40 is attached to the bolt holding part 22 from the side opposite to the post fitting part 21 side. In the attached state, the post fitting part 21 is connected from the battery post 12 side. The part 23, the bolt holding part 22, and the rotation restricting member 40 are arranged in this order along the X-axis direction (FIG. 10). In the state where the post fitting portion 21 is fitted to the battery post 12, the bolt holding portion 22 does not protrude outside from the side surface 11b along the Z-axis direction and the Y-axis direction in the battery body 11. A predetermined interval (an interval corresponding to the length of the lateral wall 41b of the rotation restricting member 40 described below) is provided between the side surface 11b and the side surface 11b (FIGS. 11 and 12).

  The post fitting portion 21 includes a substantially arc-shaped tightening portion 25 that is externally fitted to the battery post 12, and a pair of extending portions that extend outward in the radial direction of the battery post 12 from both ends of the tightening portion 25. 26. The tightening portion 25 is formed by turning one piece raised from the connecting portion 23, and the extending portion 26 is formed by bending both ends of the one portion outward. The tightening portion 25 can be elastically bent in the radial direction so as to increase or decrease the inner diameter, and the inner diameter dimension in the free state is set larger than the outer diameter dimension of the battery post 12. 12 can be loosely fitted. Both extending portions 26 have a substantially rectangular flat plate shape, and in a free state, the extending portions 26 are inclined so that the distance between the extending portions increases toward the extending end side. Bolt insertion holes 26a through which the bolts 27 can be inserted are formed through both the extension portions 26, and the bolts 27 are inserted into the both bolt insertion holes 26a from the outside of the one extension portion 26, and the tip portions thereof are formed. A nut 28 is tightened in a state of protruding to the outside of the other extension portion 26. By adjusting the tightening state of the bolts 27 and nuts 28, the distance between the two extending portions 26 can be increased or decreased, and the inner diameter dimension of the tightening portion 25 is increased or decreased in conjunction with it (reduced or expanded). Therefore, the post fitting portion 21 can be held in a connected state with a desired holding force with respect to the battery post 12.

  As shown in FIGS. 4 and 5, the bolt holding portion 22 has a substantially box shape lower than the post fitting portion 21. The bolt holding portion 22 accommodates the head 24 a of the stud bolt 24 therein and the stud bolt 24. Can be held in a standing state in which the shaft portion 24b protrudes upward. The stud bolt 24 has a substantially cylindrical shape in which the head portion 24a has a quadrangular shape in plan view, whereas the shaft portion 24b has a thread formed on the outer peripheral surface thereof. The metal fittings and the like are fixed to the shaft portion 24b of the stud bolt 24 by tightening a nut (not shown) with the metal fittings and the like provided at the ends of the electric wires attached thereto.

  The bolt holding portion 22 is formed in a substantially box shape by bending a piece portion that extends to the connecting portion 23 and extends in the Y-axis direction. Specifically, the bolt holding portion 22 includes a bottom wall 22a that is continuous with the connecting portion 23, a first side wall 22b that rises from one end side in the Y-axis direction of the bottom wall 22a along the Z-axis direction, and a first side wall 22b. A ceiling wall 22c extending along the Y-axis direction so as to face the bottom wall 22a from the rising end of the wall, and along the Z-axis direction from the extending end of the ceiling wall 22c toward the other end of the bottom wall 22a in the Y-axis direction The head 24a of the stud bolt 24 is accommodated in the internal accommodation space which is comprised from the 2nd side wall 22d which protrudes and opposes the 1st side wall 22b, and is surrounded by each wall 22a-22d.

  As shown in FIG. 5 and FIG. 6, the stud bolt 24 is provided on the bottom wall 22 a except for both ends in the Y-axis direction and one end in the X-axis direction (end opposite to the connecting portion 23 side). A lifting portion 29 for lifting the head portion 24 a is formed so as to protrude above the end portions, and the lifting portion 29 is also formed on the connecting portion 23. A bolt insertion hole 30 through which the shaft portion 24b of the stud bolt 24 passes is formed at a substantially central position of the ceiling wall 22c. Further, a holding piece 31 capable of holding the bolt holding portion 22 in a box shape by engaging with the outer surface of the lifting portion 29 is formed at a substantially central position at the protruding end of the second side wall 22d (FIG. 1). And FIG. 3).

  As described above, the bolt holding portion 22 is configured by the walls 22a to 22d that are continuous in the Y-axis direction, and two side surfaces open to the outside along the X-axis direction. Of the pair of openings 32 and 33 formed on both side surfaces of the bolt holding part 22, the opening 32 on the side opposite to the post fitting part 21 side (outer end part in the X-axis direction in the entire battery terminal 20). A bolt rotation restricting piece 34 that can restrict the rotation of the stud bolt 24 by engaging with the head 24 a of the stud bolt 24 is provided upright on the mouth edge of the stud bolt 24. As shown in FIGS. 4 and 5, the bolt rotation restricting piece 34 extends in the Z-axis direction from the side edge of the bottom wall 22 a constituting the lip of the opening 32 (the lower edge of the lip of the opening 32). A rising portion 34a that rises along the edge, and a bolt engaging portion 34b that protrudes inward along the X-axis direction from the tip of the rising portion 34a and is arranged between the bottom wall 22a and the ceiling wall 22c. As a whole, it is substantially L-shaped. The front end surface of the bolt engaging portion 34 b of the bolt rotation restricting piece 34 is engaged with the side surface of the head 24 a of the stud bolt 24. The tip end portion of the bolt engaging portion 34b is substantially the same position as the side end position of the lifting portion 29 in the bottom wall 22a in the Y-axis direction. Further, a slight clearance is secured between the bolt engaging portion 34b and the ceiling wall 22c.

  As shown in FIG. 4, the bolt rotation restricting piece 34 has a width dimension smaller than the opening of the opening 32 and about half the size, and a substantially central position in the Y-axis direction of the bolt holding part 22. The opening 32 is partially blocked. Therefore, it can be said that the opening part 32 is divided | segmented substantially equally by right and left by the bolt rotation control piece 34 installed in the entrance, and is provided with a pair of division | segmentation opening part 32a. The space between the side walls 22b and 22d of the bolt holding part 22 and the bolt rotation restricting piece 34 is a space that is connected to the back side of each divided opening 32a and a dead space in which the stud bolt 24 does not exist. It has become. In the present embodiment, the rotation restricting member 40 described below is held in the attached state by using the space that is the dead space.

  The rotation restricting member 40 is made of synthetic resin, and can be attached to the battery terminal 20 and integrated with the battery terminal 20 so as to be able to restrict the mounting angle of the battery terminal 20 with respect to the battery 10. (FIG. 10). Specifically, as shown in FIGS. 1 and 6, the rotation restricting member 40 includes a main body portion 41 that can contact the battery 10, and a press-fit that protrudes from the main body portion 41 and can be press-fitted into the battery terminal 20. Part 42. The rotation restricting member 40 is attached to the battery terminal 20 along the X-axis direction. In the following, the mounting direction (left side in FIG. 6) of the rotation restricting member 40 with respect to the battery terminal 20 is defined as the front, and the opposite direction (right side in FIG. 6) is defined as the rear.

  As shown in FIG. 7, the body portion 41 has a substantially crank-shaped cross section when viewed from the side (front in the Y-axis direction), and includes a terminal receiving portion 43 that receives the battery terminal 20 in the Z-axis direction. Z-axis direction in contact with the vertical wall 41a along the horizontal wall 41b along the X-axis direction addressed to the upper surface 11a of the battery body 11, and the side surface 11b along the Z-axis direction and the Y-axis direction in the battery body 11 And a rotation restricting wall 41c along. The dimension of the main body 41 in the Y-axis direction is larger than that of the battery terminal 20 and is about twice as large.

  As shown in FIG. 1 and FIG. 6, the vertical wall 41a is almost straight along the Z-axis direction, whereas the front side portion of the figure is formed almost straight along the Y-axis direction. The back side portion of the figure is formed to be inclined with respect to the Y-axis direction. A straight portion along the Y-axis direction of the vertical wall 41a constitutes a terminal receiving portion 43 that is directed to the side end surface of the bolt holding portion 22 (the opening edge of the opening portion 32) of the battery terminal 20. The inclined portion of the vertical wall 41a is retracted from the battery terminal 20, and the dimension of the horizontal wall 41b in the Y-axis direction is also reduced toward the back side of FIGS. 1 and 6 by the retracted amount. . The lateral wall 41b has a substantially straight shape along the X-axis direction and the Y-axis direction over the entire region, and is substantially parallel to the upper surface 11a of the battery body 11 that is a contact target. The rotation restricting wall 41c is substantially straight along the Y-axis direction and the Z-axis direction over the entire region, and is substantially parallel to the side surface 11b of the battery main body 11 that is a contact target.

  Moreover, on the outer surface of each wall 41a-41c which comprises the main-body part 41, ie, the surface on the opposite side to the battery 10 or the battery terminal 20, as shown in FIG.6 and FIG.9, it is Z-axis direction and X-axis direction. Five vertical reinforcement walls 44 are formed at a predetermined interval in the Y-axis direction. Among the vertical reinforcing walls 44, the ones at both ends in the Y-axis direction and the one at the center are within a range covering the entire length of the vertical wall 41a, the horizontal wall 41b, and the rotation restricting wall 41c in the X-axis direction or the Z-axis direction. Whereas the remaining two cover the entire length of the vertical wall 41a and the horizontal wall 41b in the X-axis direction or the Z-axis direction, the rotation restriction wall 41c is partway (up to the horizontal reinforcing wall 45 described below). ). On the other hand, a horizontal reinforcing wall 45 is formed on the outer surface of the rotation restricting wall 41c along the X-axis direction and the Y-axis direction while traversing each vertical reinforcing wall 44. The horizontal reinforcing wall 45 is formed in a range extending over the entire length of the rotation restricting wall 41c in the Y-axis direction, and is connected to the intersecting vertical reinforcing walls 44.

  Of the inner surface of the rotation restricting wall 41c, that is, the surface facing the side surface 11b of the battery body 11, the region excluding the region overlapping with the outer vertical reinforcing walls 44 and the horizontal reinforcing walls 45 is shown in FIGS. As shown in FIG. 8, a plurality of recesses 46 having a slight depth are formed, and the contact area of the rotation restricting wall 41c with the side surface 11b of the battery body 11 is reduced by the area of the recesses 46. In other words, a convex portion 47 having a substantially lattice shape is formed in a region overlapping the vertical reinforcing wall 44 and the horizontal reinforcing wall 45 in the inner surface of the rotation restricting wall 41c, and only the convex portion 47 is formed. Is brought into contact with the side surface 11 b of the battery body 11. Furthermore, a laterally long hole 48 is formed through a part of the formation region of the recess 46 in the rotation restricting wall 41c. Two holes 48 are provided at a position adjacent to the lower side of the outer horizontal reinforcing wall 45 and a position spaced a predetermined distance downward from the outer horizontal reinforcing wall 45, and both are parallel to the horizontal reinforcing wall 45. Thereby, the heat generated from the battery 10 can be released.

  Next, the press-fit portion 42 will be described in detail. As shown in FIGS. 1 and 6, a pair of press-fit portions 42 are provided on the inner surface of the terminal receiving portion 43 (the surface facing the battery terminal 20 side) of the main body portion 41. The pair of press-fit portions 42 are arranged on the inner surface of the terminal receiving portion 43 in the Y-axis direction, that is, the Z-axis direction (the axial direction of the battery post 12) and the X-axis direction (the mounting direction of the rotation restricting member 40 with respect to the battery terminal 20). They are arranged side by side in the orthogonal direction. A predetermined interval is provided between the two press-fit portions 42, and the size thereof substantially coincides with the interval between the two divided openings 32 a in the battery terminal 20. A pair of receiving projections 49 that are abutted against the end surface of the battery terminal 20 are provided on the inner surface of the terminal receiving portion 43 at positions adjacent to the outer sides in the Y-axis direction with respect to both the press-fit portions 42.

  The press-fit portion 42 includes an insertion protrusion 50 that protrudes from the inner surface of the terminal receiving portion 43 (the surface facing the battery terminal 20) along the X-axis direction (attachment direction to the battery terminal 20), and the circumferential surface of the insertion protrusion 50. A plurality of ribs 51 to 53 projecting along the Y-axis direction or the Z-axis direction (direction intersecting the mounting direction with respect to the battery terminal 20) and being crushed by the lip of the opening 32, and the peripheral surface of the insertion protrusion 50 And a retaining protrusion 54 that protrudes along the Y-axis direction and can be locked to the bolt rotation restricting piece 34.

  The insertion protrusion 50 has a substantially block shape as a whole, and has a slightly elongated rectangular shape when viewed from the front in the X-axis direction, as shown in FIG. The insertion protrusion 50 can be inserted into the divided opening 32a in the battery terminal 20, and the height dimension (dimension in the Z-axis direction) and the width dimension (dimension in the Y-axis direction) are the divided openings 32a. It is set a little smaller than that. The projecting dimension of the insertion protrusion 50 from the terminal receiving portion 43 (dimension in the X-axis direction) is substantially the same as the dimension of the bolt rotation restricting piece 34 in the battery terminal 20 in the X-axis direction (FIG. 6).

  As shown in FIGS. 1 and 8, the ribs 51 to 53 are a first rib 51 that protrudes upward (first direction) along the Z-axis direction from the upper surface of the peripheral surface of the insertion protrusion 50; Of the peripheral surface of the insertion protrusion 50, a second rib 52 that protrudes downward from the lower surface along the Z-axis direction (second direction opposite to the first direction), and the peripheral surface of the insertion protrusion 50 Of the outer side (surface opposite to the surface facing the other insertion protrusion 50) from the outer side along the Y-axis direction (third direction opposite to the other insertion protrusion 50 side) ) And the third rib 53 protruding toward the surface. Each of the ribs 51 to 53 has a substantially semicircular shape when viewed from the front in the X-axis direction, and is configured to extend along the X-axis direction, and has a length over the entire length of the insertion protrusion 50 in the X-axis direction. In addition, a tapered surface for ensuring smooth entry into the opening 32 is chamfered on the front end surface (tip surface in the mounting direction) of each of the ribs 51 to 53.

  The first rib 51 and the second rib 52 have substantially the same width dimension and are set larger than the third rib 53. The first rib 51 is disposed at a substantially central position in the Y-axis direction of the insertion protrusion 50, while the second rib 52 is spaced a predetermined distance from the Y-axis direction central position of the insertion protrusion 50. A pair is arranged at the position side by side in the Y-axis direction. In other words, the first rib 51 is arranged at a substantially middle position between the pair of second ribs 52 arranged in the Y-axis direction in the insertion protrusion 50, and conversely, both the second ribs 52 are inserted protrusions. In FIG. 50, the first rib 51 is disposed in the Y-axis direction. That is, the 1st rib 51 and the 2nd rib 52 are distribute | arranged to the position (shift position) mutually offset about the Y-axis direction. Specifically, among the first ribs 51 and the second ribs 52, the end portions in the width direction overlap in the Y-axis direction, but the centers in the width direction do not overlap in the Y-axis direction and are shifted from each other. It has become. In addition, it can be said that both the second ribs 52 are arranged at symmetrical positions around the central position in the Y-axis direction in the insertion protrusion 50.

  The first rib 51 and the second rib 52 have substantially the same protruding dimension from the peripheral surface of the insertion protrusion 50. The dimension obtained by adding the projecting dimension of the first rib 51 and the projecting dimension of the second rib 52 is larger than the dimension difference in the Z-axis direction between the insertion projecting part 50 and the divided opening part 32a. More specifically, the protruding dimension of the first rib 51 or the protruding dimension of the second rib 52 alone is larger than the above dimensional difference. Therefore, when the insertion protrusion 50 is inserted into the divided opening 32a, the first rib 51 and the second rib 52 are crushed by the opening edge of the opening 32, thereby obtaining a desired holding force ( FIG. 14).

  A pair of third ribs 53 are arranged side by side in the Z-axis direction at a position spaced a predetermined distance from the center position in the Z-axis direction on the outer side surface of the insertion protrusion 50. Both the third ribs 53 are arranged at symmetrical positions around the central position in the Z-axis direction in the insertion protrusion 50. On the other hand, the retaining protrusion 54 is formed from an inner side surface (a surface facing the other insertion protrusion 50) of the peripheral surface of the insertion protrusion 50, that is, a side surface opposite to the installation surface of the third rib 53. It protrudes inward along the Y-axis direction (a fourth direction opposite to the third direction).

  The retaining protrusion 54 has a substantially block shape as a whole, and is formed in a substantially trapezoidal shape as viewed from the front in the X-axis direction, that is, a tapered shape that becomes narrower toward the protruding end side. The width dimension of the protruding proximal end portion of the retaining protrusion 54 is larger than that of the first rib 51 and the second rib 52. The retaining protrusion 54 is disposed at the lower end position on the side surface of the insertion protrusion 50 and is disposed at a position overlapping the lower third rib 53 in the Z-axis direction. The retaining protrusion 54 is disposed at the tip position of the insertion protrusion 50 in the X-axis direction. Further, a taper surface for ensuring a smooth entry into the opening 32 is chamfered and formed on the front end surface (tip surface in the mounting direction) of the retaining protrusion 54 (FIG. 6).

  As shown in FIG. 6, the dimension obtained by adding the projecting dimension of the third rib 53 from the side surface of the insertion projecting part 50 (dimension in the Y-axis direction) and the projecting dimension at the time of retaining is as shown in FIG. And the dimensional difference in the Y-axis direction between the divided opening 32a. Furthermore, even if the protrusion dimension of the retaining protrusion 54 alone is larger than the above dimension difference. Therefore, when the insertion protrusion 50 is inserted into the divided opening 32a, the third rib 53 and the retaining protrusion 54 are crushed by the opening edge of the opening 32 (FIG. 14). In particular, the retaining protrusion 54 is slightly cut by the rising portion 34a of the bolt rotation restricting piece 34 that constitutes the opening edge of the opening 32, but can be forcibly fitted to enter the back side of the rising portion 34a. (FIG. 13). The rear end face of the retaining protrusion 54 facing away from the mounting direction with respect to the battery terminal 20, that is, the face facing the terminal receiving portion 43 side is with respect to the rising portion 34 a of the bolt rotation restricting piece 34. The locking surface 54a is locked. The locking surface 54a is formed substantially straight along the Y-axis direction and the Z-axis direction. A portion of the terminal receiving portion 43 of the main body portion 41 corresponding to each locking surface 54a is used for removing a pin of a mold for forming the retaining protrusion 54 when the rotation restricting member 40 is molded with resin. A die cutting hole 43a is formed (FIGS. 8 and 9). Further, the protruding dimension of the third rib 53 is smaller than the protruding dimensions of the first rib 51, the second rib 52, and the retaining protrusion 54 (FIG. 8).

  As described above, when the rotation restricting member 40 is attached to the battery terminal 20, the rotation restricting member 40 does not rattle in a state where it cannot be removed by the ribs 51 to 53 of the press-fit portion 42 and the retaining protrusion 54, that is, in a so-called fitted-in state. It is supposed to be retained.

  This embodiment has the structure as described above, and the operation thereof will be described subsequently. First, an operation of attaching the rotation restricting member 40 to the battery terminal 20 in a state where the stud bolt 24 is accommodated in the bolt holding portion 22 is performed.

  At the time of attachment, the pair of press-fitting portions 42 in the rotation restricting member 40 are aligned with the pair of divided openings 32a constituting the opening 32 of the bolt holding portion 22 in the battery terminal 20, and along the X-axis direction. The rotation restricting member 40 is moved relatively close to the battery terminal 20. When the insertion protrusions 50 of the respective press-fit portions 42 are inserted into the respective divided openings 32a, the first rib 51, the second rib 52, and the third rib 53 are associated with the upper edges of the divided openings 32a. Crushing by interfering with the edge, lower edge, and outer side edges. At this time, the retaining protrusion 54 is forcedly fitted while being slightly cut by interfering with the rising portion 34a of the bolt rotation restricting piece 34 constituting the inner side edge of the opening edge of the divided opening 32a. Viewed from the movement restricting member 40 side, it enters the back side of the rising portion 34a.

  When each press-fit portion 42 is press-fitted into each divided opening portion 32a to a normal depth, both receiving projections 49 in the terminal receiving portion 43 are abutted against the side end surface of the bolt holding portion 22, so that Pushing is regulated (FIGS. 10 to 12). In this attached state, as shown in FIGS. 14 and 15, the frictional resistance obtained by crushing each of the ribs 51 to 53 and the locking surface 54 a of the retaining protrusion 54 are formed on the bolt rotation restricting piece 34. The rotation restricting member 40 is held in a non-removable state with respect to the battery terminal 20 by the locking force obtained by locking to the rising portion 34a. Specifically, the rotation restricting member 40 is held in the Z-axis direction by the first ribs 51 and the second ribs 52 and in the Y-axis direction by the third ribs 53 so as not to be relatively displaceable with respect to the battery terminal 20. The retaining protrusion 54 holds the X-axis direction so that relative displacement in the detaching direction is impossible (a retaining state). Therefore, the rotation restricting member 40 is prevented from rattling with respect to the battery terminal 20 in any of the X axis direction, the Y axis direction, and the Z axis direction. In addition, since the second ribs 52 and the third ribs 53 are arranged at a predetermined distance from each other in the insertion protrusion 50, the insertion protrusion 50 has its axis (X axis) in the divided opening 32a. ) It ’s harder to tilt around. Furthermore, since the press-fit portions 42 are arranged side by side in the Y-axis direction in the main body portion 41, the main body portion 41 tilts around the Z axis or tilts around the X axis with respect to the battery terminal 20. Is extremely difficult to occur. In this way, a battery terminal unit U is obtained in which the rotation restricting member 40 is integrated with the battery terminal 20 without rattling.

  Subsequently, an operation of attaching the battery terminal unit U to the battery 10 is performed. First, the post fitting portion 21 of the battery terminal 20 is fitted to the battery post 12 of the battery 10. At this time, as shown in FIGS. 10 to 13, the rotation regulating wall 41 c constituting the main body 41 of the rotation regulating member 40 is brought into contact with the side surface 11 b of the battery body 11. When the battery terminal 20 is placed on the upper surface 11a of the battery body 11, the bolt 27 and the nut 28 of the post fitting portion 21 are appropriately tightened using a tool. Then, the fastening portion 25 of the post fitting portion 21 is elastically deformed so as to reduce its inner diameter, and its inner peripheral surface is pressed against the outer peripheral surface of the battery post 12, so that the battery terminal 20 is brought into contact with the battery post 12. On the other hand, it is held in an attached state.

  At this time, there is a possibility that the battery terminal 20 is rotationally displaced about its axis (Z axis) around the battery post 12 due to the torque generated as the bolt 27 is tightened. However, as shown in FIGS. 10 and 11, the protrusions 47 of the rotation restricting wall 41 c along the Y axis direction and the Z axis direction of the rotation restricting member 40 integrated with the battery terminal 20 are parallel to each other. Since it is in contact with the side surface 11b of the battery main body 11, the rotation operation of the battery terminal 20 as described above is regulated in advance. Thereby, the attachment angle of the battery terminal 20 with respect to the battery post 12 can be maintained in the state shown in FIG.

  By the way, the battery 10 to which the above-described battery terminal unit U is attached may be changed depending on, for example, the vehicle type and grade on which it is mounted, and the installation position of the battery post 12 in the battery body 11 changes accordingly. May be. Then, the relative positional relationship between the battery post 12 and the side surface 11b (the contact position on the battery 10 side), which is the position where the rotation restricting wall 41c of the rotation restricting member 40 is in contact with the battery body 11, is changed. Will be. On the other hand, since the positional relationship between the post fitting portion 21 and the rotation restricting wall 41c is constant, the battery terminal unit U cannot cope with the change on the battery 10 side. Therefore, in the present embodiment, the rotation restricting member 40 whose body part 41 has a shape suitable for the change on the battery 10 side is manufactured separately, and the rotation restricting member 40 is attached to the battery terminal 20. I am trying to use it. That is, for the battery terminal 20 that is made of metal and relatively expensive to manufacture, a common product is used, whereas the rotation restricting member 40 that is made of synthetic resin and relatively inexpensive to manufacture is subject to various conditions. Matched dedicated products are manufactured and used in a wide variety.

  Specifically, when the distance in the X-axis direction between the battery post 12 and the side surface 11b of the battery body 11 in the battery 10 is larger than that shown in FIG. 11, as shown in FIG. 11 is manufactured in which the length L 'in the X-axis direction of the lateral wall 41b' constituting the main body 41 'as the regulating member 40' is larger than the length L of the one shown in FIG. To do. In this rotation restricting member 40 ′, the vertical reinforcing wall 44 ′ is extended together with the horizontal wall 41 b ′, but other configurations are not changed. Then, when the battery terminal unit U ′ is manufactured by attaching the rotation restricting member 40 ′ to the battery terminal 20, the battery terminal unit U ′ is attached to the battery 10. Then, in a state where the post fitting portion 21 is fitted to the battery post 12, the rotation restriction wall 41 c ′ is brought into contact with the side surface 11 b of the battery 10, so that the rotation restriction function of the battery terminal 20 is satisfactorily exhibited. can do.

  If the distance in the X-axis direction between the battery post 12 and the side surface 11b of the battery body 11 in the battery 10 is smaller than that shown in FIG. What is necessary is just to manufacture what the length dimension of the X-axis direction of the horizontal wall 41b which comprises the part 41 becomes smaller than the length dimension L of what is shown in FIG. In addition to the case where the type of the battery 10 is changed as described above, for example, the attachment angle of the battery terminal 20 with respect to the battery post 12 is changed, and accordingly, the rotation restricting wall 41c of the rotation restricting member 40 is applied. The part on the battery main body 11 side that is in contact may be changed to the side surface 11c along the Z-axis direction and the X-axis direction, but even in such a case, the rotation restricting member 40 having a shape corresponding to that is manufactured. This makes it possible to easily cope with this.

  As described above, the battery terminal unit U of the present embodiment includes the post fitting portion 21 connected to the battery post 12 erected on the battery 10 and the stud bolt integrally provided on the post fitting portion 21. A battery terminal 20 having a bolt holding portion 22 that accommodates 24 heads 24a and holds the stud bolt 24 in an upright state; and a rotation restricting member 40 made of synthetic resin attached to the battery terminal 20. The rotation restricting member 40 includes a main body 41 capable of restricting the mounting angle of the battery terminal 20 with respect to the battery post 12 by contacting the battery 10 with the battery terminal 20 connected to the battery post 12, and the main body 41. , And the rotation restricting member 4 by being press-fitted into the opening 32 formed on the side surface of the bolt holding portion 22. The and a press-fitting portion 42 to be stationary with respect to the battery terminal 20.

  In this way, even when the conditions such as the positional relationship between the side surfaces 11b and 11c, which are contact portions on the battery 10 side with respect to the main body portion 41, and the battery post 12 are different, the manufacturing cost is relative to that of the battery terminal 20. If a low-priced rotation restricting member 40 that meets the above conditions is prepared, a common product can be used for the battery terminal 20 that is relatively expensive to manufacture, and can be handled at a low cost as a whole. It becomes. Furthermore, the rotation restricting member 40 is fixed to the battery terminal 20 by the press-fit portion 42 that is press-fitted into the opening 32 formed on the side surface of the bolt holding portion 22 of the battery terminal 20. It is difficult for rattling to occur, and a high rotation restricting function can be exhibited. Further, since the press-fit portion 42 is inserted into a space where the stud bolt 24 in the bolt holding portion 22 does not exist, that is, is arranged using a dead space in the bolt holding portion 22, the battery terminal 20 is There is no increase in size, and design change of the battery terminal 20 is not required, resulting in low cost.

  By the way, if a lid connected to the main body of the rotation restricting member by a hinge is provided and the battery terminal 20 is sandwiched and held between the lid and the main body, Clearance is likely to occur, and rattling occurs between the two, and the accuracy of the angle at which the rotation can be restricted becomes low, and it is easy to win. Compared with this, in the present embodiment, the rotation restricting member 40 is firmly fixed to the battery terminal 20 by press-fitting, so that the angle of the battery terminal 20 can be regulated with relatively high accuracy. It has become.

  Further, a bolt rotation restricting piece capable of restricting the rotation of the stud bolt 24 with respect to the bolt holding portion 22 by engaging with the head 24 a of the stud bolt 24 at the lip of the opening 32 in the bolt holding portion 22. 34 is provided, and the press-fit portion 42 is provided with a retaining protrusion 54 that can be retained by the bolt rotation restricting piece 34 to prevent the rotation restricting member 40 from being detached from the battery terminal 20. In this way, the rotation restricting member 40 can be fixed to the battery terminal 20 with a high holding force. The bolt rotation restricting piece 34 has an existing structure in the battery terminal 20, and in the present embodiment, the existing structure is used to prevent the rotation restricting member 40 from being removed. It is not necessary to provide a new retaining structure for the battery terminal, so that it is not necessary to change the design of the battery terminal 20 and it can be handled at low cost.

  Further, the press-fit portion 42 projects from the main body portion 41 along the mounting direction with respect to the battery terminal 20 and is inserted into the opening 32, and intersects the mounting direction from the circumferential surface of the insertion projection 50. The first rib 51 that protrudes in the first direction and can be crushed by the lip of the opening 32, and protrudes from the peripheral surface of the insertion protrusion 50 in the second direction opposite to the first direction. A second rib 52 that can be crushed by the lip of the opening 32 is provided. Of the first rib 51 and the second rib 52, two (plural) second ribs 52 are provided. In this way, when the insertion protrusion 50 is inserted into the opening 32, the first rib 51 and the second rib 52 are crushed by the lip of the opening 32, so that the rotation restricting member 40. Retention is made. At this time, since the two second ribs 52 are provided, it is possible to prevent so-called rolling in which the insertion protrusion 50 is inclined around the axis within the opening 32.

  Further, the first rib 51 and the second rib 52 are arranged offset from each other. In this way, when the insertion protrusion 50 is inserted into the opening 32, the first rib 51 and the second rib 52 are crushed by the lip of the opening 32, so that the rotation restricting member 40. Retention is made. Here, since the first rib 51 and the second rib 52 are arranged to be offset from each other, the compressive force acting on the insertion protrusion 50 is dispersed as the first rib 51 and the second rib 52 are crushed. This makes it easier to reduce the operating force required for press-fitting. Accordingly, the workability of attaching the rotation restricting member 40 to the battery terminal 20 is improved.

  Further, two press-fit portions 42 are provided along the direction (Y-axis direction) orthogonal to the axial direction (Z-axis direction) of the battery post 12 and the mounting direction (X-axis direction) of the rotation restricting member 40 with respect to the battery terminal 20. (Plural) are arranged side by side. In this way, the rotation restricting member 40 is less likely to tilt around the axis of the battery post 12 with respect to the battery terminal 20. Therefore, a high rotation restricting function can be exhibited.

<Embodiment 2>
A second embodiment of the present invention will be described with reference to FIGS. In this Embodiment 2, what changed the form of the press-fit part 42-A is shown. In the second embodiment, the same structure as that of the first embodiment is denoted by the same reference numeral, and the suffix -A is added to the end thereof, and redundant description of the structure, operation, and effect is omitted. .

  As shown in FIGS. 17 and 18, a lightening portion 55 is provided in the insertion protrusion 50 -A constituting the press-fit portion 42 -A. The lightening portion 55 is formed so as to open on the upper surface of the peripheral surface of the insertion protrusion 50-A, that is, on the installation surface of the first rib 51-A, and a pair of the lightening portions 55 is located at a position sandwiching the first rib 51-A. It is arranged. Therefore, it can be said that both the lightening portions 55 are disposed at positions offset from the first rib 51-A in the Y-axis direction. Both the thinned portions 55 are arranged at positions where the centers thereof are slightly shifted outward in the Y-axis direction with respect to the centers of the second ribs 52 -A. The thinned portion 55 has a vertically long rectangular shape when viewed from the front in the X-axis direction. Further, the lightening portion 55 is formed by leaving the front end portion of the insertion protrusion 50-A by a predetermined thickness and opening only upward. The thinned portion 55 makes it difficult for sink marks to occur in the insertion protrusion 50-A when the rotation restricting member 40-A is resin-molded. The press-fit portion 42-A is provided with only one third rib 53-A, and its position in the Z-axis direction is substantially the same as that of the retaining protrusion 54-A.

  Then, the width dimension and the depth dimension (height dimension) in the thinned portion 55 are as shown in FIG. 17 when the insertion protrusion 50-A is viewed from the front in the X-axis direction and the first rib 51-A. The size is set such that the two lines L1 connecting the protruding end and the protruding end of the second rib 52-A deviate (do not intersect or overlap). Further, the depth dimension of the thinned portion 55 deviates from a line L2 along the Y-axis direction and passing through the protruding end of the third rib 53-A when the insertion protrusion 50-A is viewed from the front in the X-axis direction. It is set to such a size.

  Here, when the press-fit portion 42-A is press-fitted into the divided opening 32a of the battery terminal 20, the ribs 51-A to 53-A are crushed as shown in FIG. Accordingly, a compression force acts on the insertion protrusion 50-A. This compressive force is greatest in the Z-axis direction on the line L1 connecting the protruding end of the first rib 51-A and the protruding end of the second rib 52-A, while in the Y-axis direction. Is the largest on the line L2 along the Y-axis direction and passing through the protruding end of the third rib 53-A. Since the thinned portion 55 according to the present embodiment is formed in a range avoiding the lines L1 and L2 where the compressive force accompanying the press-fitting is maximized (see FIG. 17), the insertion protrusion when the compressive force is applied. The 50-A meat is difficult to escape into the meat removal portion 55. As a result, the compressed state of each of the ribs 51-A to 53-A crushed with the press-fitting can be maintained high, and a high frictional resistance can be obtained, thereby obtaining a high holding force.

  As described above, according to the present embodiment, the insertion protrusion 50-A is provided with the thinned portion 55, and the thinned portion 55 is viewed from the front in the mounting direction. The first rib 51-A and the second rib 52-A are formed so as to be separated from the line L1 connecting the protruding ends of the first rib 51-A and the second rib 52-A. In this way, when the insertion protrusion 50-A is inserted into the opening 32, the first rib 51-A and the second rib 52-A are crushed by the lip of the opening 32. The rotation restricting member 40-A is held. Since the thinning portion 55 is provided in the insertion protrusion 50-A, the insertion protrusion 50-A can be prevented from sinking, and the dimensional accuracy of the insertion protrusion 50-A can be improved. The desired holding force can be obtained more reliably. Here, as the first rib 51-A and the second rib 52-A are crushed, a compression force acts on the insertion protrusion 50-A. The compression force is applied to the insertion protrusion 50-A. When viewed from the front in the mounting direction, it becomes the largest on the line L1 connecting the protruding ends of the first rib 51-A and the second rib 52-A. However, since the thinned portion 55 is formed so as to deviate from the line L1, the compressive force acts on the insertion protrusion 50-A as the first rib 51-A and the second rib 52-A are crushed. However, it is difficult for the meat to escape to the meat removal portion 55. Therefore, a high holding force can be obtained.

  Further, when the insertion protrusion 50-A is viewed from the front in the mounting direction, the thinned portion 55 is formed so as to be separated from the line L2 passing along the third direction and passing through the protruding end of the third rib 53-A. . In this way, when the press-fit portion 42-A is press-fitted into the opening 32, the third rib 53-A protruding in the third direction is crushed, so that the battery terminal 20 and the rotation restricting member Shaking is less likely to occur with 40-A. Here, when the third rib 53-A is crushed, the compressive force acting on the insertion protrusion 50-A is along the third direction when the insertion protrusion 50-A is viewed from the front in the mounting direction. It becomes the largest on the line L2 passing through the protruding end of the three ribs 53-A. However, since the thinned portion 55 is formed so as to be separated from the line L2, even if a compressive force acts on the insertion protrusion 50-A as the ribs 51-A to 53-A are crushed, Meat is difficult to escape to the meat removal portion 55. Therefore, a higher holding force can be obtained.

<Embodiment 3>
A third embodiment of the present invention will be described with reference to FIGS. In the third embodiment, a structure in which a locking structure by an elastic locking piece 56 is employed instead of the locking structure by the retaining protrusion 54 of the first embodiment described above is shown. In the third embodiment, the same structure as that of the first embodiment is denoted by the same reference numeral, and the suffix -B is added to the end thereof, and redundant description of the structure, operation, and effect is omitted. .

  As shown in FIGS. 20 to 22, an elastic locking piece 56 that can be elastically locked to the battery terminal 20 -B is integrally formed with the insertion protrusion 50 -B that constitutes the press-fit portion 42 -B. Is provided. As shown in FIG. 22, the elastic locking piece 56 is formed by an outer portion of the insertion protrusion 50-B with respect to the thinning portion 57 by forming a thinning portion 57 in the insertion protrusion 50-B. Yes. Specifically, the thinned portion 57 is arranged at a position eccentrically shifted outward in the Y-axis direction in the insertion protrusion 50-B, and in the X-axis direction while leaving the protruding tip of the insertion protrusion 50-B. Along with this, the battery terminal 20-B is opened to the opposite side. The thinned portion 57 has a substantially rectangular shape that is vertically long when viewed from the front in the X-axis direction, and is disposed at substantially the same position as the second outer rib 52-B in the Y-axis direction (FIG. 27). Further, as shown in FIG. 21, the lightening portion 57 is also formed so as to penetrate the terminal receiving portion 43-B. Note that the third rib 53 and the retaining protrusion 54 of the first embodiment are omitted from the press-fit portion 42-B according to the present embodiment. Further, the receiving projection 49 of the first embodiment is omitted from the main body 41-B.

  As shown in FIG. 22, the elastic locking piece 56 can be elastically deformed with both end portions in the X-axis direction and both end portions in the Z-axis direction (FIG. 27) as fulcrums. It is evacuated in the extraction part 57. The elastic locking pieces 56 and the lightening portions 57 are arranged side by side in the Y-axis direction, that is, in the direction orthogonal to the Z-axis direction and the X-axis direction in the insertion protrusion 50-B. On the outer surface of the elastic locking piece 56, a locking projection 58 that can be locked to the battery terminal 20-B is provided. As shown in FIG. 20, the locking protrusion 58 is disposed at a substantially central position in the Z-axis direction and at a front end position (a front end portion on the battery terminal 20 -B side) of the elastic locking piece 56. The locking protrusion 58 has a substantially block shape that protrudes outward along the Y-axis direction from the outer surface of the elastic locking piece 56, and smoothly enters the opening 32-B on the front end surface thereof. The taper surface for securing is chamfered. On the other hand, the end surface of the locking protrusion 58 opposite to the tapered surface is a locking surface 58a for the battery terminal 20-B, and is a surface that is substantially straight along the Y-axis direction and the Z-axis direction. Is done. As shown in FIGS. 21 and 23, the terminal receiving portion 43 is provided with a die-cutting hole 43b for die-cutting each locking projection 58 when the rotation restricting member 40-B is resin-molded. Is formed.

  On the other hand, on both side walls 22b-B and 22d-B constituting the bolt holding portion 22-B in the battery terminal 20-B, as shown in FIGS. 20 and 22, the locking protrusion 58 of the elastic locking piece 56 is provided. A locking hole 35 that can be locked is formed. The locking hole 35 opens along the Y-axis direction while penetrating the side walls 22b-B and 22d-B in the plate thickness direction. The locking hole 35 has a substantially rectangular shape that is vertically long when viewed from the front in the Y-axis direction. A locking projection 58 of the elastic locking piece 56 is inserted into the locking hole 35, and the surface of the locking hole 35 on the side of the rotation restricting member 40. Thus, the locking surface 58a of the locking projection 58 is locked.

  When the rotation restricting member 40-B is attached to the battery terminal 20-B having the above-described configuration, as shown in FIG. 22, both the press-fit portions 42-B are positioned with respect to the both divided openings 32a-B. While aligning, the rotation restricting member 40-B is moved closer to the battery terminal 20-B along the X-axis direction. When the insertion protrusions 50-B of both the press-fit portions 42-B are inserted into the two divided openings 32a-B, the first rib 51-B and the second rib 52-B are opened to the divided openings 32a-B. The upper and lower edges of the edge are crushed and both locking projections 58 are pressed by the outer side edges (both side walls 22b-B and 22d-B) of the opening edge of the divided opening 32a-B. Thus, both elastic locking pieces 56 are elastically deformed and retracted into the lightening portion 57. Then, as shown in FIGS. 24 and 25, when the insertion protrusion 50-B is inserted into the divided opening 32a-B to the normal depth, the locking protrusion 58 is engaged as shown in FIG. The locking surface 58 a is locked to the circumferential surface of the locking hole 35 while entering the locking hole 35. In this attached state, as shown in FIG. 27, the frictional resistance obtained by crushing the first rib 51-B and the second rib 52-B, and the locking projection 58 as shown in FIG. The rotation restricting member 40-B is held in a non-removable state with respect to the battery terminal 20-B by the locking force obtained by locking the locking surface 58a with the peripheral surface of the locking hole 35. Is done.

  As described above, according to the present embodiment, the main body 41-B enters the opening 32-B together with the press-fit portion 42-B, and the side wall 22b- constituting the bolt holding portion 22-B. An elastic locking piece 56 that can be locked in the locking hole 35 formed in B, 22d-B is provided. In this way, the rotation restricting member 40-B can be fixed to the battery terminal 20-B with a high holding force by the elastic locking piece 56 in addition to the press-fit portion 42-B. Since the stress that can act on the elastic locking piece 56 in the locked state is smaller than that of the press-fit portion 42 -B, the elastic locking piece 56 hardly undergoes thermal deformation, and the holding force increases with time. Deterioration can be prevented.

  Further, the elastic locking piece 56 is provided integrally with the press-fit portion 42-B by forming the thinned portion 57 in the press-fit portion 42-B, and can be retracted into the thinned portion 57 during elastic deformation. Yes. In this way, by integrating the elastic locking piece 56 with the press-fit portion 42-B, the strength of the elastic locking piece 56 is increased and a high holding force is obtained. In addition, sinking of the press-fit portion 42-B can be prevented by the lightening portion 57 and the dimensional accuracy of the press-fit portion 42-B can be improved, so that a desired holding force can be obtained more reliably.

  In addition, the elastic locking piece 56 and the lightening portion 57 are provided in the insertion protrusion 50-B, and are arranged in a direction (Y-axis direction) intersecting the first direction and the second direction (Z-axis direction). It is arranged with. In this way, when the insertion protrusion 50-B is inserted into the opening 32-B, the first rib 51-B and the second rib 52-B are crushed by the edge of the opening 32-B. At the same time, the elastic locking piece 56 is locked in the locking hole 35, whereby the rotation restricting member 40-B is held with respect to the battery terminal 20-B. Here, at the mouth edge of the opening portion 32-B in the bolt holding portion 22-B, the direction along the first direction and the second direction from the crushed first rib 51-B and second rib 52-B However, the elastic locking piece 56 and the thinned portion 57 are arranged so as to be arranged in a direction intersecting the first direction and the second direction, and therefore, the elastic locking piece 56 and the thinned portion 57 are elastic by the stress. The locking depth of the locking hole 35 with respect to the locking piece 56 is not reduced. Therefore, a high holding force can be obtained.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In each of the above-described embodiments, even when the protruding dimension of the first rib from the inserting protrusion or the protruding dimension of the second rib alone is larger than the dimensional difference between the inserting protrusion and the divided opening, For example, although the projecting dimension of the first rib or the projecting dimension of the second rib is smaller than the above difference in size, the dimension obtained by adding the projecting dimension of the first rib and the projecting dimension of the second rib is You may make it become larger than a dimension difference. If it does in this way, a press fit part can be press-fit with respect to a division | segmentation opening part. The relationship between the projecting dimension of the third rib and the projecting dimension of the retaining protrusion can be the same as described above.

  (2) Besides the above-described embodiments, the number of ribs installed in the insertion protrusion can be changed as appropriate. Specifically, the present invention includes one in which two or more first ribs are installed on the insertion protrusion, and one in which only one or three or more second ribs or third ribs are installed.

  (3) Besides the above-described embodiments, the installation position of each rib in the insertion protrusion can be changed as appropriate. Specifically, the first rib and the second rib may be arranged at the same position in the Y-axis direction. Further, the first rib may be arranged eccentrically at the insertion protrusion. Moreover, you may arrange | position a 2nd rib or a 3rd rib in the center of an insertion protrusion.

  (4) In addition to the above-described embodiments, the shape of each rib can be changed as appropriate. Specifically, each rib may be a triangle, a rectangle, a trapezoid, an ellipse, or the like when viewed from the front in the X-axis direction.

  (5) In addition to the above-described embodiments, the shape of the insertion protrusion can be appropriately changed. Specifically, the insertion protrusion may be triangular, trapezoidal, circular, elliptical, or the like when viewed from the front in the X-axis direction.

  (6) Besides the above-described embodiments, the number and arrangement of the press-fit portions in the terminal receiving portion can be changed as appropriate. Specifically, only one press-fitting part or three or more press-fitting parts may be installed. Moreover, it is good also as the arrangement | positioning which shifted several press-fit part to the Z-axis direction.

  (7) In each of the above-described embodiments, the insertion protrusion is provided with the first rib to the third rib. However, if at least one rib is present, press-fitting is possible. One or two of the three ribs may be omitted.

  (8) In the first and second embodiments described above, the one provided with the retaining projection is shown, but the one in which the retaining projection is omitted is also included in the present invention.

  (9) In each of the above-described embodiments, the opening in the bolt holding part of the battery terminal is shown to be divided into two parts, but forms that are not divided are also included in the present invention. For example, in the bolt holding part, the bolt rotation restricting piece is eccentrically arranged near either side wall of both side walls, and the opening is not divided and arranged eccentrically near the other side wall. The present invention is also applicable. In addition, the present invention can be applied to a battery terminal in which the bolt rotation restricting piece is omitted.

  (10) In addition to the second embodiment described above, the number, shape, and arrangement of the lightening portions in the insertion protrusion can be appropriately changed. With regard to the number of installations, only one or three or more thinning portions may be installed in the insertion protrusion. Concerning the shape and arrangement, the present invention also includes those in which the hollow portion is opened downward along the Z-axis direction, those opened along the X-axis direction, and those opened along the Y-axis direction. included.

  (11) In addition to the second embodiment described above, the thinned portion may be formed in a range intersecting with a line connecting the first rib and the second rib. Moreover, you may form a thinning part in the range which cross | intersects the line along the Y-axis direction which passes along a 3rd rib.

  (12) In addition to the third embodiment described above, the “locking portion” described in the claims may have a shape in which the side wall is recessed or a shape in which the side wall protrudes.

The disassembled perspective view of the battery terminal unit which concerns on Embodiment 1 of this invention. Top view of battery terminals Battery terminal side view Rear view of battery terminal Battery terminal partially cut away side view Partially cutaway plan view showing an exploded state of the battery terminal unit Side view of rotation restricting member Front view of rotation restricting member Rear view of rotation restricting member Perspective view of battery terminal unit mounted on battery Side view of the battery terminal unit mounted on the battery Top view of the battery terminal unit mounted on the battery Front view of the battery terminal unit mounted on the battery Sectional view along line xiv-xiv in FIG. Partially cutaway plan view of the battery terminal unit Side view of a battery terminal unit provided with a rotation restricting member whose shape has been changed according to the battery The front view of the rotation control member which concerns on Embodiment 2 of this invention. Top view of the rotation restricting member Front sectional view showing the press-fitted portion press-fitted into the bolt holding portion of the battery terminal The disassembled perspective view of the battery terminal unit which concerns on Embodiment 3 of this invention. Rear view of rotation restricting member Exploded plan view of battery terminal unit Side view of rotation restricting member Perspective view of battery terminal unit mounted on battery Side view of the battery terminal unit mounted on the battery Flat cross-sectional view of the battery terminal unit Xxvii-xxvii line sectional view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Battery 12 ... Battery post 20 ... Battery terminal 21 ... Post fitting part 22 ... Bolt holding part 22b ... 1st side wall (wall)
22d ... 2nd side wall (wall)
24 ... Stud bolt 24a ... Head 32 ... Opening 34 ... Bolt rotation restricting piece (bolt turning restricting portion)
35 ... Locking hole (locking part)
DESCRIPTION OF SYMBOLS 40 ... Turning control member 41 ... Main-body part 42 ... Press-fit part 50 ... Insertion protrusion 51 ... 1st rib 52 ... 2nd rib 53 ... 3rd rib 54 ... Detachment protrusion 55 ... Meat removal part 56 ... Elastic locking piece 57 ... Meat removal part L1 ... Line L2 ... Line U ... Battery terminal unit

Claims (10)

A post fitting portion connected to a battery post erected on the battery, and a bolt holding unit that is provided integrally with the post fitting portion and accommodates the head of the stud bolt and holds the stud bolt in an erected state A battery terminal having a portion;
In a battery terminal unit comprising a synthetic resin rotation restricting member attached to the battery terminal,
The rotation restricting member is
A main body capable of regulating the mounting angle of the battery terminal with respect to the battery post by contacting the battery with the battery terminal connected to the battery post;
A press-fitting portion that is provided integrally with the main body and is press-fitted into an opening formed on a side surface of the bolt holding portion so that the rotation restricting member is fixed to the battery terminal. Battery terminal unit. A bolt rotation restricting portion that can restrict the rotation of the stud bolt with respect to the bolt holding portion by being engaged with the head of the stud bolt at the mouth edge of the opening in the bolt holding portion. And
2. The battery terminal unit according to claim 1, wherein the press-fit portion is provided with a retaining protrusion capable of retaining the rotation restricting member from the battery terminal by being engaged with the bolt rotation restricting portion. The press-fitting portion protrudes from the main body portion along the mounting direction with respect to the battery terminal and is inserted into the opening, and a first direction intersecting the mounting direction from the circumferential surface of the insertion protrusion. A first rib that can be crushed by the mouth edge of the opening, and a second rib that protrudes from the peripheral surface of the insertion protrusion in a direction opposite to the first direction. A second rib that can be crushed by the lip,
The battery terminal unit according to claim 1, wherein a plurality of at least one of the first rib and the second rib is provided. The press-fitting portion protrudes from the main body portion along the mounting direction with respect to the battery terminal and is inserted into the opening, and a first direction intersecting the mounting direction from the circumferential surface of the insertion protrusion. A first rib that can be crushed by the mouth edge of the opening, and a second rib that protrudes from the peripheral surface of the insertion protrusion in a direction opposite to the first direction. A second rib that can be crushed by the lip,
The insertion protrusion is provided with a lightening portion, which connects the protruding ends of the first rib and the second rib when the insertion protrusion is viewed from the front in the mounting direction. The battery terminal unit according to any one of claims 1 to 3, wherein the battery terminal unit is formed so as to deviate from an elliptical line. The insertion protrusion is provided with a third rib that protrudes from a peripheral surface thereof in a third direction intersecting the first direction and the second direction and can be crushed by a lip of the opening. And
The said lightening part is formed so that it may remove | deviate from the line which passes along the 3rd direction and the protrusion end of the said 3rd rib seeing the said insertion protrusion from the front of the said attachment direction. Battery terminal unit. The press-fitting portion protrudes from the main body portion along the mounting direction with respect to the battery terminal and is inserted into the opening, and a first direction intersecting the mounting direction from the circumferential surface of the insertion protrusion. A first rib that can be crushed by the mouth edge of the opening, and a second rib that protrudes from the peripheral surface of the insertion protrusion in a direction opposite to the first direction. A second rib that can be crushed by the lip,
The battery terminal unit according to any one of claims 1 to 5, wherein the first rib and the second rib are arranged to be offset from each other. The said press-fit part is arranged in multiple numbers along the direction orthogonal to the axial direction of the said battery post, and the attachment direction of the said rotation control member with respect to the said battery terminal. The battery terminal unit described in 1. The main body portion is provided with an elastic locking piece that is inserted into the opening together with the press-fitting portion and that can be locked to a locking portion formed on a wall constituting the bolt holding portion. The battery terminal unit according to any one of claims 1 to 7. The battery terminal according to claim 8, wherein the elastic locking piece is provided integrally with the press-fitting part by forming a thinned part in the press-fitted part, and is retractable in the thinned part during elastic deformation. unit. The press-fitting portion protrudes from the main body portion along the attachment direction with respect to the battery terminal and is inserted into the opening portion, and a first crossing the attachment direction from a peripheral surface of the insertion protrusion portion. A first rib that protrudes in the direction and can be crushed by a lip of the opening, and protrudes in a second direction opposite to the first direction from the peripheral surface of the insertion protrusion. A second rib that can be crushed by the lip of
The battery terminal according to claim 9, wherein the elastic locking piece and the lightening portion are provided in the insertion protrusion and are arranged side by side in a direction intersecting the first direction and the second direction. unit.

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