Battery terminal with resin component
The battery terminal design with a pressing force conversion member and locking mechanism addresses hinge detachment issues, providing secure attachment and improved assembly accuracy.
Patent Information
- Application Number
- JP2024021913
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-02-16
- Publication Date
- 2025-08-28
AI Technical Summary
Conventional battery terminals with resin parts face issues where the hinge can detach if damaged, compromising the ability to hold the battery terminal securely.
A battery terminal design featuring a pressing force conversion member that converts the fastening force into a pressing force to secure the terminal, combined with a locking mechanism to prevent detachment, even if the hinge is broken.
The design effectively prevents the resin part from detaching from the battery terminal, ensuring secure attachment and improved assembly accuracy, even when the hinge is compromised.
Smart Images

Figure 2025125764000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to a battery terminal with a resin part. [Background technology]
[0002] Conventionally, a known battery terminal with a resin part includes a battery terminal connected to a battery post of a battery and a resin part assembled to the battery terminal (see, for example, Patent Document 1). The resin part in the battery terminal with a resin part is also called a battery terminal stopper. This resin part includes a lower terminal cover disposed between the battery terminal and the battery, and an upper terminal cover connected to the lower terminal cover via a hinge and sandwiching and holding the battery terminal between the lower terminal cover and the upper terminal cover. The resin part is also configured to have a rotation prevention portion (terminal stopper) to prevent (position) the battery terminal relative to the battery. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2010-160990 Summary of the Invention [Problem to be solved by the invention]
[0004] In a conventional battery terminal with a resin part, if the hinge of the resin part is damaged, the terminal upper cover may fall off, making it difficult for the resin part to hold the battery terminal.
[0005] The present invention has been made in view of the problems inherent in the prior art, and an object of the present invention is to provide a battery terminal with a resin part that can prevent detachment even if the hinge connecting two portions of the resin part is damaged. [Means for solving the problem]
[0006] A battery terminal with a resin part according to an aspect of the present invention includes a battery terminal connected to a battery post of a battery, and a resin part assembled to the battery terminal. The battery terminal includes a main body having a pair of plate-shaped parts, each of which has a post insertion hole through which the battery post is inserted and a slit continuous to the post insertion hole, a plate nut disposed between the pair of plate-shaped parts and extending from one end to the other end of the pair of plate-shaped parts with the slit between them, a fastening bolt disposed on the other end side of the plate nut and fastened into a fastening hole formed in the other end of the plate nut, and a pressing force conversion member that converts a fastening force generated between the fastening bolt and the plate nut by fastening the fastening bolt to the fastening hole, into a pressing force that presses the main body from one end side to the other end side of the plate nut to reduce the distance between the slit. and the battery; a terminal lower cover arranged between the battery and the battery; a terminal upper cover connected to the terminal lower cover via a hinge and sandwiching and holding the battery terminal between it and the terminal lower cover; and a locking portion arranged on the terminal upper cover and the terminal lower cover and engaging the terminal upper cover to the terminal lower cover. The pressing force conversion member has a base having a through portion through which the shank of the fastening bolt is inserted along the axial direction of the battery post, a pair of upright portions formed to protrude along the axial direction from both side portions of the base in a direction intersecting the axial direction, and a restricting portion formed on at least one of the pair of upright portions, which abuts against the pressing force conversion member receiving portion formed on the terminal upper cover when the terminal upper cover is engaged with the terminal lower cover by the locking portion and restricts movement of the terminal upper cover in the axial direction. [Effects of the Invention]
[0007] According to the present invention, it is possible to provide a battery terminal with a resin part that can be prevented from falling off even if a hinge connecting two portions of the resin part is broken. [Brief explanation of the drawings]
[0008] [Figure 1]1 is a perspective view showing a state in which a battery terminal with a resin part according to the present embodiment is attached to a battery; [Figure 2] 1 is a perspective view showing a state before the battery terminal with a resin part according to the present embodiment is attached to a battery. FIG. [Figure 3] FIG. [Figure 4] FIG. [Figure 5] FIG. 5 is an enlarged view of part A in FIG. [Figure 6] FIG. [Figure 7] 1 is a perspective view showing a state in which the terminal upper cover is open in the battery terminal with a resin part according to the present embodiment. FIG. [Figure 8] 1 is a plan view showing a state in which the terminal upper cover is open in the battery terminal with a resin part according to the present embodiment. FIG. [Figure 9] 1 is a perspective view showing a state in which the terminal upper cover is closed in the battery terminal with a resin part according to the embodiment; FIG. [Figure 10] 1 is a plan view showing a state in which the terminal upper cover is closed in the battery terminal with a resin part according to the embodiment; [Figure 11] 10 is a perspective view showing a state in which a pressing force conversion member is moved in the left-right direction by fastening a fastening bolt and a plate nut in the battery terminal with a resin part according to the present embodiment. FIG. [Figure 12] 10 is a plan view showing a state in which a pressing force conversion member is moved in the left-right direction by fastening a fastening bolt and a plate nut in the battery terminal with a resin part according to the present embodiment. FIG. [Figure 13] FIG. 13 is a cross-sectional view taken along line BB in FIG. [Figure 14] 12 is a front view of the battery terminal with resin part shown in FIG. 11, as viewed from the front side. FIG. [Figure 15] FIG. 15 is a cross-sectional view taken along line CC in FIG. [Figure 16] FIG. 16 is an enlarged view of part D in FIG. DETAILED DESCRIPTION OF THE INVENTION
[0009] The battery terminal with a resin part according to this embodiment will be described in detail below with reference to the drawings. Note that the dimensional proportions in the drawings are exaggerated for the sake of convenience and may differ from the actual proportions.
[0010] As shown in FIGS. 1 and 2, a battery terminal 1 with a resin part according to this embodiment is to be assembled to a battery post 51 of a battery 50, and includes a battery terminal 2 and a resin part 3.
[0011] 1 and 2 is the direction along the central axis of the battery post 51 and corresponds to the height direction (up-down direction) of the battery terminal 1 with resin parts. The Y direction shown in FIGS. 1 and 2 corresponds to the short-side direction (width direction) of the battery terminal 1 with resin parts and is perpendicular to the X direction. The Z direction shown in FIGS. 1 and 2 corresponds to the longitudinal direction (front-rear direction) of the battery terminal 1 with resin parts and is perpendicular to the X and Y directions.
[0012] A battery 50 to which the battery terminal 1 with a resin part according to this embodiment is attached is mounted, for example, on a vehicle or the like as an electricity storage device. The battery 50 is configured to include, for example, a battery housing 52 that houses various components that constitute the battery 50, and a battery post 51 provided on the battery housing 52. The battery post 51 is formed of a metal material such as lead and is provided on a post-upright surface 53 of the battery housing 52. The post-upright surface 53 is the surface of the battery housing 52 on which the battery post 51 is disposed. In this embodiment, the post-upright surface 53 is the upper surface (top surface) of the battery 50 when it is mounted on a vehicle or the like.
[0013] The battery post 51 is formed in a cylindrical shape and protrudes from the post erection surface 53 so that its central axis is perpendicular to the post erection surface 53. In this embodiment, the battery post 51 is erected in a recess 54 formed near a corner position of the post erection surface 53. That is, the battery post 51 is erected on the bottom surface of the recess 54 formed in the post erection surface 53, which is the upper surface of the battery 50. The battery post 51 is also tapered so that the outer diameter decreases toward the tip in the axial direction. That is, the battery post 51 is formed in a tapered shape such that the outer diameter of the tip is smaller than the outer diameter of the base end. A battery terminal 2 is attached to the battery post 51 configured in this manner.
[0014] The battery terminal 1 with resin part according to this embodiment restricts the rotation of the battery terminal 2 about the central axis of the battery post 51 using the resin part 3, thereby restricting the assembly angle of the battery terminal 2 relative to the battery post 51. By restricting the assembly angle of the battery terminal 2 relative to the battery post 51 in this manner, the assembly accuracy of the battery terminal 2 can be improved.
[0015] The battery terminal 2 is attached to a battery post 51 to electrically connect the battery 50 to a metal fitting or the like provided at the end of an electric wire on the main body side of a vehicle or the like in which the battery 50 is mounted. As shown in Figures 3 to 6, the battery terminal 2 has a stud bolt 10, a main body 21, and a tightening mechanism 22.
[0016] The stud bolt 10 comprises a shank 10a and a head 10b, which are integrally formed from a conductive metal material. The shank 10a is the portion to which a connection terminal (not shown) or the like is connected. The shank 10a is formed in a cylindrical shape, and a thread groove is formed on the outer circumferential surface. The head 10b is a base portion provided at one end (lower end) of the shank 10a. The head 10b is formed as a portion with a larger diameter than the shank 10a, and is a base portion on which the shank 10a is erected. In this embodiment, the head 10b is formed in a rectangular shape.
[0017] In this embodiment, the protruding direction of the stud bolt 10 is the same as the axial direction of the battery post 51, but this is not limiting and the protruding direction of the stud bolt 10 may be different from the axial direction of the battery post 51. In other words, the protruding direction of the stud bolt 10 can be set appropriately taking into consideration interference with surrounding components, etc.
[0018] The main body 21 is formed, for example, by pressing a conductive metal plate. The main body 21 is integrally formed with a pair of plate-like portions 21a and a bent connecting portion 21b. The pair of plate-like portions 21a are formed in a substantially rectangular shape in a plan view, and each has a post insertion hole 21c through which the battery post 51 is inserted. The post insertion hole 21c is formed in the center of the pair of plate-like portions 21a, which are arranged apart from each other, penetrating the pair of plate-like portions 21a so that their centers are substantially aligned.
[0019] A bolt holding portion 23 that holds the stud bolt 10 is formed on one end side in the longitudinal direction (Z direction) of the pair of plate-like portions 21a. The stud bolt 10 is held in the body portion 21 with its head 10b sandwiched between the pair of plate-like portions 21a, and its shank 10a, to which a nut (not shown) is fastened, protrudes outside the body portion 21 from a through-hole 23a that penetrates one of the plate-like portions 21a. A connection terminal or the like provided on a connection portion of a fuse unit connected to a device (not shown) or on the end of an electric wire connected to the device is inserted into the stud bolt 10, and the connection terminal or the like is fixed to the stud bolt 10 by fastening a nut to the shank 10a. This electrically connects the battery 50 and the device via the battery terminal 2.
[0020] A slit 21d that is continuous with the post insertion hole 21c is formed on the other end side of each of the pair of plate-like portions 21a in the longitudinal direction (Z direction). When the slit 21d receives a pressing force from both sides in the short direction (Y direction) of the pair of plate-like portions 21a, the spacing between the slit 21d is reduced, reducing the diameter of the post insertion hole 21c and fixing the post insertion hole 21c to the battery post 51. In addition, reinforcing portions 24 are formed by stamping or the like on each of the pair of plate-like portions 21a located on both sides of the slit 21d in the width direction (Y direction) to increase the rigidity of the pair of plate-like portions 21a.
[0021] The pair of plate-like portions 21a, 21a have substantially rectangular fitting recesses 21e, 21f formed at both ends in the short-side direction (Y direction) of the pair of plate-like portions 21a, 21a, respectively, into which a portion of the fastening mechanism 22 fits. Furthermore, a semicircular guide recess 21g is formed within the fitting recess 21f of the pair of plate-like portions 21a, 21a. Furthermore, a guide slit 21h is formed within the fitting recess 21f of the pair of plate-like portions 21a, 21a at a portion of the pair of plate-like portions 21a, 21a that abuts against the upright portion 29 of the pressing force conversion member 27, and guides the movement of the pressing force conversion member 27 along the X direction. In this embodiment, the guide slits 21h are formed in a pair with the guide recess 21g sandwiched between them in the Z direction. Furthermore, the width Wa of the guide slit 21h in the Y direction (see FIG. 5) is set to be substantially the same as or slightly smaller than the width Wb of the upright portion 29 in the Y direction (see FIG. 6).
[0022] With the battery post 51 inserted into the post insertion hole 21c, the tightening mechanism 22 tightens the main body 21 to reduce the diameter of the post insertion hole 21c, thereby fastening the main body 21 to the battery post 51. The tightening mechanism 22 is configured to include a plate nut 25, a fastening bolt 26, and a pressing force conversion member 27.
[0023] The plate nut 25 is disposed between the pair of plate-shaped portions 21a, 21a and extends in the Y direction from one end to the other end of the pair of plate-shaped portions 21a, 21a across the slit 21d. The plate nut 25 is configured to have a plate-shaped portion 25a, a plate-nut-side abutting portion 25b, and a tapered end portion 25c. The plate-shaped portion 25a, the plate-nut-side abutting portion 25b, and the tapered end portion 25c are integrally formed from a conductive metal material.
[0024] The plate-shaped portion 25a is a main body portion of the plate nut 25 and is formed in a rectangular plate shape. The plate-shaped portion 25a is disposed between the pair of plate-shaped portions 21a, 21a and extends in the Y direction from one end to the other end of the pair of plate-shaped portions 21a, 21a across the slit 21d. The plate-nut-side abutting portion 25b is disposed on one end side of the plate nut 25 and abuts against the plate-shaped portions 21a, 21a of the main body portion 21. When the plate nut 25 is assembled to the main body portion 21, the plate-nut-side abutting portion 25b fits into and is housed in the fitting recesses 21e formed in the pair of plate-shaped portions 21a, 21a. When housed in the fitting recesses 21e, the plate-nut-side abutting portion 25b abuts against one end of the pair of plate-shaped portions 21a, 21a in the Y direction.
[0025] A fastening hole 25d is formed on the other end side in the Y direction of the plate-shaped portion 25a. This fastening hole 25d is formed on the other end side in the Y direction of the plate-shaped portion 25a, and penetrates the plate-shaped portion 25a in the up-and-down direction (X direction). A thread groove is formed on the inner peripheral surface of the fastening hole 25d, so that the fastening bolt 26 can be screwed into it.
[0026] The tapered end 25c is disposed on the other end side of the plate nut 25 in the Y direction and is a portion that engages with the pressing force conversion member 27. A first tapered surface 25e is formed on this tapered end 25c. This first tapered surface 25e is a surface that faces and abuts against a second tapered surface 29b formed on the pressing force conversion member 27. In this embodiment, the tapered end 25c is formed so as to protrude on both sides in the Z direction at the other end of the plate-shaped portion 25a in the Y direction, and the first tapered surfaces 25e are formed on each protruding portion. That is, the first tapered surfaces 25e are provided on the portions of the tapered end 25c that protrude on both sides in the Z direction, and a pair of first tapered surfaces 25e are provided on both sides in the Z direction.
[0027] The fastening bolt 26 is disposed on the other end side of the plate nut 25 and is fastened to a fastening hole 25d formed in the other end of the plate nut 25. The fastening bolt 26 is configured to have a shank 26a and a head 26b, and the shank 26a and head 26b are integrally formed from a conductive metal material. The shank 26a is a portion that is screwed into the fastening hole 25d of the plate nut 25. The shank 26a is formed in a cylindrical shape and has a threaded outer surface. The head 26b is a base portion provided at one end (upper end) of the shank. The head 26b is formed as a portion with a larger diameter than the shank 26a and is a base portion on which the shank 26a is erected. In this embodiment, the head 26b is formed in a hexagonal shape.
[0028] The pressing force conversion member 27 converts the fastening force F1 generated between the fastening bolt 26 and the plate nut 25 into a pressing force F2 that presses the main body 21 from one end side toward the other end side of the plate nut 25 (see FIG. 13). The fastening force F1 is a force that is generated between the fastening bolt 26 and the plate nut 25 when the fastening bolt 26 is fastened to the fastening hole 25d. The pressing force F2 is a force that presses the main body 21 from one end side toward the other end side of the plate nut 25, thereby reducing the spacing of the slit 21d. The pressing force conversion member 27 is a member that is movable along the axial direction (X direction) in conjunction with movement of the fastening bolt 26 along the axial direction (X direction), and is provided so as to be movable relative to the plate nut 25 in the Y direction while abutting against the first tapered surface 25e of the plate nut 25.
[0029] The pressing force conversion member 27 is configured to have a base 28 formed in the shape of a rectangular plate, and a pair of upright portions 29, 29 formed integrally with the base 28 and extending from two opposing sides of the four sides of the base 28 to one side (downward) in the X direction. The pair of upright portions 29, 29 face each other in the Z direction. The pressing force conversion member 27 is formed, for example, by pressing a metal plate, and is formed into a U-shape as a whole.
[0030] Base 28 is formed with through-hole 28a, which is a portion through which fastening bolt 26 is inserted along the X direction. Through-hole 28a is formed in the shape of an elongated hole extending along the Y direction. Base 28 also is formed with movement restricting portion 28b, which abuts against plate nut 25 at a predetermined position in the X direction and restricts movement of pressing force conversion member 27 toward plate nut 25 along the X direction.
[0031] The pair of upright portions 29, 29 extend from two opposing sides of the four sides of the base 28, which is formed in a rectangular plate shape, to one side (downward) in the X direction. The upright portions 29 are provided in pairs facing each other along the Z direction. That is, the upright portions 29 are provided on each of two sides of the base 28 along the Y direction. Each of the pair of upright portions 29, 29 is arranged so as to be able to abut against the main body 21 and the plate nut 25. Each of the pair of upright portions 29, 29 has a pressure conversion member-side abutment portion 29a that can abut against the main body 21 and a second tapered surface 29b that can abut against the first tapered surface 25e of the plate nut 25. The pressure conversion member-side abutment portion 29a is formed on one end surface of each upright portion 29 in the Y direction, and the second tapered surface 29b is formed on the other end surface of each upright portion 29 in the Y direction.
[0032] Further, a pair of restricting portions 29c, 29d are formed on each of the pair of upright portions 29. The restricting portions 29c, 29d are formed on the end face of each upright portion 29 on the side where the pressure conversion member-side contact portion 29a is provided, and are formed as a pair with a gap in the up-down direction (X direction). The restricting portion 29c, which is arranged on one side in the Y direction (the front side) and one side in the X direction (the upper side), abuts against the pressing force conversion member receiving portion 32b formed on the terminal upper cover 32, thereby restricting movement of the terminal upper cover 32 in the axial direction (X direction) (see FIG. 13).
[0033] In this embodiment, the width Wb (see Figure 6) of each upright portion 29 in the Y direction is set to be approximately the same as or slightly larger than the width Wa (see Figure 5) of the guide slit 21h formed in the main body portion 21 in the Y direction.
[0034] In the battery terminal 2 configured as described above, the plate nut 25 is assembled to the main body 21, the pressing force conversion member 27 is attached to the shank 26a of the fastening bolt 26, and the shank 26a is threaded into the fastening hole 25d of the plate nut 25, thereby assembling the various parts together. Then, in the process of rotating the fastening bolt 26 about its axis using a tool or the like and fastening it into the fastening hole 25d, the first tapered surface 25e and the second tapered surface 29b come into contact with each other, tightening the main body 21 in the Y direction. This narrows the spacing between the slits 21d continuing to the post insertion holes 21c, and the post insertion holes 21c of the main body 21 are tightened and fixed to the battery post 51. Furthermore, with the post insertion holes 21c of the main body 21 tightened to the battery post 51, the upright portions 29 of the pressing force conversion member 27 are press-fitted (engaged) into the guide slits 21h formed in the main body 21.
[0035] 7 and 8, the resin part 3 has a lower terminal cover 31, an upper terminal cover 32, and a locking portion 34. The resin part 3 is a member interposed between the battery terminal 2 and the battery 50, and is formed using a synthetic resin material to provide corrosion protection. The resin part 3 is also configured to have a first anti-rotation portion 35 and a second anti-rotation portion 36, which will be described later, to provide a function of preventing rotation (positioning) of the battery terminal 2 relative to the battery 50. Because the resin part 3 has each of the above-mentioned functions, it is also called a corrosion protection cover or a terminal stopper.
[0036] The terminal lower cover 31 is disposed between the lower part of the battery terminal 2 and the upper part of the battery 50. This terminal lower cover 31 is a part that can be attached to the battery terminal 2. The terminal lower cover 31 is attached to the plate-like part 21a on the lower side of the battery terminal 2, i.e., the lower side of the battery terminal 2, and covers the lower side of the battery terminal 2. The terminal lower cover 31 has a wall surface formed on the plate-like member, thereby forming an accommodating recess 31a that accommodates the battery terminal 2. In addition, the terminal lower cover 31 is formed with a protruding piece part 31b to restrict movement of the battery terminal 2 in the removal direction (upward in this embodiment) when the battery terminal 2 is supported by the terminal lower cover 31.
[0037] Furthermore, the lower terminal cover 31 is formed with a first anti-rotation portion 35 and a second anti-rotation portion 36.
[0038] The first anti-rotation portion 35 is formed on the lower terminal cover 31 and includes a first plate-shaped portion 35a that faces a first contact surface 55 (see FIG. 1) of the battery housing 52 in the assembled state, and a plurality of ribs 35b that reinforce the first plate-shaped portion 35a. The first plate-shaped portion 35a extends along the Z direction and is capable of contacting the first contact surface 55 of the battery housing 52 that is aligned with the Z direction. By contacting the first contact surface 55 in the assembled state, the first anti-rotation portion 35 can restrict rotation of the battery terminal 2 about the X-axis with the central axis of the battery post 51 as the center of rotation.
[0039] The second anti-rotation portion 36 is formed on the lower terminal cover 31 and has a second plate-shaped portion 36a that faces the second abutment surface 56 (see FIG. 1) of the battery housing 52 in the assembled state. The second plate-shaped portion 36a extends along the Y direction and is a portion that can abut against the second abutment surface 56 of the battery housing 52 that is aligned along the Y direction. By abutting against the second abutment surface 56 in the assembled state, the second anti-rotation portion 36 can restrict rotation of the battery terminal 2 about the X-axis with the central axis of the battery post 51 as the center of rotation.
[0040] The terminal upper cover 32 is connected to the terminal lower cover 31 via hinges 33, and sandwiches and holds the battery terminal 2 between itself and the terminal lower cover 31. The terminal upper cover 32 is connected to the terminal lower cover 31 so as to be able to open and close. When the terminal upper cover 32 is in a closed state with the battery terminal 2 provisionally locked to the terminal lower cover 31, the battery terminal 2 is held between itself and the terminal lower cover 31. The terminal upper cover 32 has an arc-shaped notch 32a, into which the battery post 51 is inserted, formed in a portion that overlaps with the post insertion hole 21c of the battery terminal 2 when the terminal upper cover 32 is closed relative to the terminal lower cover 31. The notch 32a is formed in a shape corresponding to the shape of the battery post 51. When the terminal upper cover 32 is in a closed state in which the battery terminal 2 is held between itself and the terminal lower cover 31, opening of the terminal upper cover 32 is restricted by a locking portion 34, thereby fixing the battery terminal 2 to the resin part 3.
[0041] In addition, the terminal upper cover 32 is formed with a pressing force conversion member receiving portion 32b that abuts against the regulating portion 29c formed on the pressing force conversion member 27 to regulate movement of the terminal upper cover 32 in the axial direction (X direction).
[0042] The locking portion 34 is disposed on the terminal upper cover 32 and the terminal lower cover 31, and locks the terminal upper cover 32 to the terminal lower cover 31. In this embodiment, the locking portion 34 is configured to have a locking protrusion 34a formed on the terminal lower cover 31, and a locking frame portion 34b formed on the terminal upper cover 32 and locked to the locking protrusion 34a. The locking portion 34 is formed on the end of the terminal upper cover 32 and the terminal lower cover 31 opposite the end where the hinge 33 is formed.
[0043] The following describes the work involved in assembling the battery terminal 2 to the resin part 3, and the work involved in fixing the battery terminal 1 with the resin part to the battery 50.
[0044] 7 and 8, the battery terminal 2 is assembled to the resin part 3. Next, as shown in Figures 9 and 10, the terminal upper cover 32 is closed by rotating the hinge 33, and the locking frame portion 34b of the terminal upper cover 32 is locked with the locking protrusion portion 34a of the terminal lower cover 31. As a result, the battery terminal 2 is sandwiched and fixed between the terminal lower cover 31 and the terminal upper cover 32, and the terminal upper cover 32 restricts movement of the battery terminal 2 in the X direction.
[0045] Then, the battery terminal 1 with resin parts is assembled to the battery post 51 of the battery 50. At this time, the fastening bolt 26 of the fastening mechanism 22 is fastened to the fastening hole 25d of the plate nut 25, and the battery terminal 1 with resin parts is fixed to the battery post 51 (see FIGS. 11 to 16).
[0046] When the fastening bolt 26 is fastened into the fastening hole 25d of the plate nut 25, the pressing force conversion member 27 moves along the Y direction. As the pressing force conversion member 27 moves along the Y direction, the pair of upright portions 29, 29 of the pressing force conversion member 27 are press-fitted (engaged) into the guide slits 21h, 21h of the battery terminal 2, and movement of the pressing force conversion member 27 in the Y direction and the Z direction is restricted. In addition, the restricting portion 29c of the pressing force conversion member 27 sandwiches the pressing force conversion member receiving portion 32b provided on the terminal upper cover 32 of the resin part 3 between the main body 21 of the battery terminal 2 and the restricting portion 29c of the pressing force conversion member 27, thereby restricting movement of the terminal upper cover 32 in the X direction.
[0047] When removing the battery terminal 1 with resin parts from the battery post 51, the fastening bolt 26 is loosened to release the fastening of the plate nut 25 with the fastening hole 25d. At this time, the pair of upright portions 29, 29 of the pressing force conversion member 27 are press-fitted (engaged) into the guide slits 21h, 21h of the battery terminal 2, so even when the fastening bolt 26 is loosened, the pressing force conversion member 27 is held by the main body 21 of the battery terminal 2. Because the pressing force conversion member 27 is held by the main body 21 of the battery terminal 2, the state in which the pressing force conversion member 27 restricts movement of the terminal upper cover 32 in the X direction is also maintained.
[0048] As described above, the battery terminal 1 with a resin part according to this embodiment includes a battery terminal 2 connected to a battery post 51 of a battery 50 and a resin part 3 assembled to the battery terminal 2. The battery terminal 2 has a main body 21 having a pair of plate-shaped portions 21a, 21a, each of which has a post insertion hole 21c through which the battery post 51 is inserted and a slit 21d connecting to the post insertion hole 21c. The battery terminal 2 has a plate nut 25 disposed between the pair of plate-shaped portions 21a, 21a and extending from one end to the other end of the pair of plate-shaped portions 21a, 21a across the slit 21d. The battery terminal 2 has a fastening bolt 26 disposed on the other end side of the plate nut 25 and fastened to a fastening hole 25d formed in the other end of the plate nut 25, and a pressing force conversion member 27 that converts a fastening force F1 into a pressing force F2. A fastening force F1 is generated between the fastening bolt 26 and the plate nut 25 by fastening the fastening bolt 26 to the fastening hole 25d, and a pressing force F2 presses the main body 21 from one end side toward the other end side of the plate nut 25 to reduce the spacing of the slit 21d. The resin part 3 has a terminal lower cover 31 arranged between the battery terminal 2 and the battery 50, and a terminal upper cover 32 connected to the terminal lower cover 31 via a hinge 33 and sandwiching and holding the battery terminal 2 between the terminal lower cover 31 and the resin part 3. The resin part 3 has a locking portion 34 disposed on the terminal upper cover 32 and the terminal lower cover 31 and locking the terminal upper cover 32 to the terminal lower cover 31. The pressing force conversion member 27 has a base 28 having a through portion 28a through which the shaft portion 26a of the fastening bolt 26 is inserted along the axial direction (X direction) of the battery post 51. The pressing force conversion member 27 has a pair of upright portions 29, 29 formed to protrude along the axial direction (X direction) from both side portions of the base portion 28 in a transverse direction (Y direction) that intersects with the axial direction (X direction), and a restricting portion 29c formed on one of the pair of upright portions 29, 29. When the terminal upper cover 32 is locked to the terminal lower cover 31 by the locking portion 34, the restricting portion 29c abuts against a pressing force conversion member receiving portion 32b formed on the terminal upper cover 32 to restrict movement of the terminal upper cover 32 in the axial direction (X direction).
[0049] The restricting portion 29c of the pressing force conversion member 27 clamps the pressing force conversion member receiving portion 32b provided on the terminal upper cover 32 of the resin part 3 between the main body 21 of the battery terminal 2, thereby restricting movement of the terminal upper cover 32 in the X direction. Therefore, even if the hinge 33 connecting the terminal upper cover 32 and the terminal lower cover 31 is damaged, the terminal upper cover 32 is held by the pressing force conversion member 27, and the terminal upper cover 32 is prevented from falling off.
[0050] As described above, according to this embodiment, a battery terminal 1 with a resin part can be provided that can prevent detachment even if the hinge 33 connecting the two parts of the resin part 3 (the terminal upper cover 32 and the terminal lower cover 31) is damaged.
[0051] In the battery terminal 1 with a resin part, the main body 21 of the battery terminal 2 may have a guide slit 21h formed at a portion that abuts against the upright portion 29 of the pressing force conversion member 27 on one end side of the plate-shaped portion 21a, and that guides movement of the pressing force conversion member 27 along the axial direction (X direction).
[0052] When the fastening bolt 26 is fastened to the fastening hole 25d of the plate nut 25, the pair of upright portions 29, 29 of the pressing force conversion member 27 are inserted into the guide slits 21h, 21h of the battery terminal 2, thereby guiding the movement of the pressing force conversion member 27 in the X and Y directions.
[0053] In the battery terminal 1 with resin part, the width Wa of the guide slit 21h in the transverse direction (Y direction) may be smaller than the width Wb of the upright portion 29 in the transverse direction (Y direction) (Wa <Wb)。
[0054] When the fastening bolt 26 is fastened to the fastening hole 25d of the plate nut 25, the pair of upright portions 29, 29 of the pressing force conversion member 27 are press-fitted (engaged) into the guide slits 21h, 21h of the battery terminal 2. This makes it possible to restrict movement of the pressing force conversion member 27 in the Y direction and the Z direction.
[0055] Although the present embodiment has been described above, the present embodiment is not limited to this, and various modifications are possible within the scope of the gist of the present embodiment. [Explanation of symbols]
[0056] 1 Battery terminal with resin part 2 battery terminals 3 Resin parts 21 Main body 21a Plate-shaped part 21c Post insertion hole 21d slit 21h Guide slit 25 Plate Nut 25d fastening hole 26 Fastening bolt 27 Pressure conversion member 28 Base 28a Penetration 29 Upright part 29c Regulatory Department 31 Terminal bottom cover 32 Terminal upper cover 32b Pressure conversion member receiving portion 33 Hinge 34 Rock Club 50 Battery 51 Battery Post
Claims
1. a battery terminal connected to a battery post of the battery; a resin part that is assembled to the battery terminal, The battery terminals are a main body having a pair of plate-shaped portions each having a post insertion hole through which the battery post is inserted and a slit connected to the post insertion hole; a plate nut disposed between the pair of plate-shaped portions and extending from one end to the other end of the pair of plate-shaped portions across the slit; a fastening bolt disposed on the other end side of the plate nut and fastened to a fastening hole formed in the other end of the plate nut; a pressing force conversion member that converts the fastening force generated between the fastening bolt and the plate nut by fastening the fastening bolt and the fastening hole into a pressing force that presses the main body from one end side of the plate nut toward the other end side in order to reduce the spacing of the slit, The resin part is a terminal lower cover disposed between the battery terminal and the battery; a terminal upper cover connected to the terminal lower cover via a hinge, the terminal upper cover sandwiching and holding the battery terminal between the terminal lower cover and the terminal upper cover; a locking portion disposed on the terminal upper cover and the terminal lower cover, for locking the terminal upper cover to the terminal lower cover; The pressing force conversion member is a base having a through-portion through which a shank of the fastening bolt is inserted along the axial direction of the battery post; a pair of upright portions formed to protrude along the axial direction from both side portions of the base portion in a direction intersecting the axial direction; a restricting portion formed on at least one of the pair of upright portions, which, when the terminal upper cover is locked to the terminal lower cover by the locking portion, contacts a pressing force converting member receiving portion formed on the terminal upper cover to restrict movement of the terminal upper cover in the axial direction, Battery terminal with resin parts.
2. The main body of the battery terminal has a guide slit formed at a portion on one end side of the plate-shaped portion that abuts against the upright portion of the pressing force conversion member, and the guide slit guides movement of the pressing force conversion member along the axial direction. The battery terminal with a resin part according to claim 1 .
3. a width of the guide slit in the transverse direction is smaller than a width of the upright portion in the transverse direction; The battery terminal with a resin part according to claim 2 .
Citation Information
Patent Citations
Resin component for battery terminal and battery terminal with resin component
JP2010160990A