JP6567367B2 - Battery terminal block - Google Patents

Description

  The present invention relates to a battery terminal block that is attached to a battery and relays power supply from the battery.

  Conventionally, power supply from a battery in a vehicle to a load component in the vehicle is often performed via a battery terminal block that relays power supply from the battery (see, for example, Patent Document 1).

  FIG. 8 shows a fuse unit as an example of a conventional battery terminal block. The fuse unit 5 attached to the battery 6 is covered with a protective cover 8. FIG. 8A shows a state where the fuse unit 5 is covered with the protective cover 8, and FIG. 8B shows a state where the protective cover 8 is removed.

  The fuse unit 5 is electrically connected to a rod-shaped electrode 62 protruding from the terminal mounting surface 61 in the battery 6. The electrical connection between the fuse unit 5 and the rod-shaped electrode 62 is made via the battery terminal 7 that is directly connected to the rod-shaped electrode 62. The battery terminal 7 is provided with terminal bolts 71 to which the fuse unit 5 is electrically connected and fixed.

  The fuse unit 5 includes a resin housing 51, a battery connection portion 52 connected to a terminal bolt 71 of the battery terminal 7, and a load connection portion 53 to which a load component is connected. The fuse unit 5 is connected to the battery connecting portion 52 and the load connecting portion 52 via a fusing portion (not shown) that blows when a current exceeding a predetermined allowable current flows inside the housing 51. Is granted.

  After the fuse unit 5 is connected to the rod-shaped electrode 62 via the battery terminal 7, the whole including the battery connection portion 52 and the load connection portion 52 is protected by the protective cover 8 together with the rod-shaped electrode 62 and the battery terminal 7. Covered.

JP 2012-209188 A

  Here, when the battery is in a so-called raised state, for example, when it becomes impossible to supply power necessary for a load component such as an engine cell motor, a jump start for supplying power from another battery to the load component is performed. Sometimes done. At the time of jump start, a starter cable having an alligator terminal attached to the end is used. By attaching the alligator terminal of the starter cable to the rod-shaped electrode 62, the terminal bolt 71 of the battery terminal 7, etc., power is supplied from another battery.

  At this time, in the example of FIG. 8, since the fuse unit 5 is covered by the protective cover 8 together with the rod-shaped electrode 62 and the battery terminal 7, it is necessary to remove the protective cover 8 at the time of jump start. Thus, in the fuse unit 5 of FIG. 8, the jump start work is complicated.

  The present invention aims to provide a battery terminal block that can perform jump start easily by paying attention to the above problems.

  In order to solve the above problems, the battery terminal block of the present invention is electrically connected to an electrode provided on a terminal mounting surface of the battery, and at least a connection portion with the electrode is covered with a protective cover, A battery terminal block for transferring electric power from the battery to a load component that operates by the electric power, and is formed in a plate shape with a resin housing and metal and is electrically connected to the electrode A battery connecting portion that is exposed from the housing and is covered with the protective cover so as to be substantially parallel to a plane including the terminal mounting surface when electrically connected to the electrode, and a metal A load connecting portion formed by: being connected to the battery connecting portion in the housing and electrically connecting the load component; and the battery connecting portion being the electrode When it is electrically connected and covered by the protective cover, it extends from the battery connecting portion so as to be exposed from the protective cover, and is in a standing posture with respect to the battery connecting portion. And an exposed terminal formed by bending and bending.

  According to the battery terminal block of the present invention, the exposed terminal is formed so as to be exposed from the protective cover. Thereby, at the time of jump start, it becomes possible to operate such that the exposed terminal is used as an attachment point of the alligator terminal of the starter cable outside the protective cover. That is, according to the battery terminal block of the present invention, it is not necessary to remove the protective cover at the time of jump start, and jump start can be easily performed.

  Further, in the battery terminal block of the present invention, the exposed terminal is bent back from the upright posture, so that the height from the terminal mounting surface is lower than the height of at least one of the protective cover and the housing. A leaf spring terminal formed so as to be elastically deformable into a sleeping position, and provided with a lock portion that is provided in the housing and releasably engages with the leaf spring terminal in the sleeping position, When the locking is released, it is preferable that the leaf spring terminal is restored to the standing posture by its restoring force.

  According to this preferred battery terminal block, at the time of jump start, the locking portion is released outside the protective cover to raise the leaf spring terminal, and the leaf spring terminal is connected to the alligator terminal of the starter cable. It can be used as an attachment location. At times other than jump start, the leaf spring terminal is elastically deformed to the low lying position as described above and is locked to the lock portion, thereby suppressing inadvertent contact with the leaf spring terminal. Can do.

  In the battery terminal block of the present invention, it is preferable that the battery connection portion and the load connection portion are connected via a fusing portion that blows when a current exceeding a predetermined allowable current flows.

  This suitable battery terminal block is a fuse unit in which electric power from the battery is supplied to the load component via the fusing part. According to this preferred battery terminal block, as described above, the exposed terminal that can be used as the attachment point of the alligator terminal of the starter cable extends from the battery connection portion, that is, the current path from the battery. In FIG. 1, it is located upstream from the fusing part. For this reason, also at the time of jump start, electric power is supplied to the load component through the fusing part, and the jump start can be performed while maintaining the function as the fuse unit.

  Further, in this preferred battery terminal block, the battery connection portion, the load connection portion, the exposed terminal, and the fusing portion are formed by being integrally cut out from a single metal plate. Further preferred.

  According to this more preferable battery terminal block, these members can be formed while suppressing the electrical resistance among the battery connection portion, the load connection portion, the exposed terminal, and the fusing portion, while suppressing the material cost and the like. .

  According to the battery terminal block of the present invention, jump start can be easily performed.

It is a perspective view of the fuse unit as one embodiment of the battery terminal block of the present invention. It is a figure which removes the resin-made housing and shows the fuse unit shown by FIG. It is a figure which shows the fuse unit covered with the protective cover. It is sectional drawing which shows the V1-V1 cross section in FIG. It is a figure which shows the V2 arrow in FIG. It is a figure which shows the fuse unit of the state which the leaf | plate spring terminal returned to the attitude | position which stood up. It is sectional drawing which shows the V2-V2 cross section in FIG. It is a figure which shows the fuse unit as an example of the conventional battery terminal block.

  A fuse unit as an embodiment of the battery terminal block of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a fuse unit as an embodiment of the battery terminal block of the present invention, and FIG. 2 is a diagram showing the fuse unit shown in FIG. 1 with its resin housing removed. It is.

  The fuse unit 1 is electrically connected to a rod-shaped electrode 22 provided so as to protrude from the terminal mounting surface 21 in the battery 2 mounted on the vehicle. Further, the electrical connection between the fuse unit 1 and the rod-shaped electrode 22 is performed via a metal battery terminal 3 that is directly connected to the rod-shaped electrode 22.

  The battery terminal 3 is formed in a substantially rectangular parallelepiped shape. The battery terminal 3 is provided with a connection hole 31 through which the rod-shaped electrode 22 is inserted in the thickness direction. A slit 32 is formed from the inside of the connection hole 31 to the edge of the battery terminal 3. . In addition, a fastening screw 33 is passed through the battery terminal 3 from one side surface to the other side surface in a direction orthogonal to the slit 32. A nut 34 is attached to the tip of the screw portion of the fastening screw 33. The rod-shaped electrode 22 is inserted into the connection hole 31 and the fastening screw 33 is screwed in so that the interval between the slits 32 is narrowed. As a result, the rod-shaped electrode 22 is tightened by the inner edge of the connection hole 31. Thereby, the battery terminal 3 is electrically connected and fixed to the rod-shaped electrode 22.

  The battery terminal 3 is attached to the rod-shaped electrode 22 and has a posture extending from the rod-shaped electrode 22 toward the outer edge 21 a of the terminal mounting surface 21. A terminal bolt 35 is erected at the end of the battery terminal 3 on the outer edge 21a side to which the fuse unit 1 is electrically connected and fixed.

  The fuse unit 1 includes a resin housing 11, one battery connection portion 12 connected to the terminal bolt 35 of the battery terminal 3, and four load connection portions 131,. Load components 131,... 134 are electrically connected to load components (not shown) that operate by power from the battery 2. And the battery connection part 12 and each load connection part 131, ... 134 are connected via the two fusing parts 141 and 142 which melt | fuse when the electric current exceeding a predetermined allowable current flows inside the housing 11. Has been. The fuse unit 1 is given a fuse function by the fusing parts 141 and 142. The housing 11 is provided with a window 111 that exposes the two fusing parts 141 and 142, and a resin-made transparent cover 112 is fitted into the window 111. It can be visually recognized through the transparent cover 112 whether or not the melted portions 141 and 142 are melted. Further, the transparent cover 112 prevents the metal from being scattered when the fusing parts 141 and 142 are cut.

  Further, the battery connection part 12, the four load connection parts 131,..., 134, and the two fusing parts 141, 142, as shown in FIG. One bus bar 16 is provided. The bus bar 16 is formed by being cut out integrally from a single metal plate and bent.

  The battery connection portion 12 is a part of the bus bar 16, is formed in a plate shape with metal, and is electrically connected to the rod-shaped electrode 22 of the battery 2 via the battery terminal 3. The battery connection portion 12 is exposed and extended from the housing 11 so as to be substantially parallel to a plane including the terminal mounting surface 21 when electrically connected to the rod-shaped electrode 22.

  The battery connection portion 12 is formed with a through hole 121 through which the terminal bolt 35 of the battery terminal 3 passes. When the nut 36 is fastened to the terminal bolt 35 penetrating through the through hole 121, the battery connecting portion 12 is electrically connected to the battery terminal 3 and fixed. In this way, the battery connecting portion 12 is electrically connected to the rod-shaped electrode 22 of the battery 2 via the battery terminal 3.

  Each of the four load connecting portions 131,... 134 is also a part of the bus bar 16 and is formed in a metal plate shape. Of the four load connection portions 131,... 134, one load connection portion 131 has a surface that is flush with the surface of the battery connection portion 12 exposed from the housing 11. Two fusing parts 141 are connected. The load connecting portion 131 is provided with a through hole 131 a in a portion exposed from the housing 11. A terminal bolt 131b whose head is embedded in the housing 11 is passed through the through hole 131a, and the threaded portion of the terminal bolt 131b is erected on the load connecting portion 131. Yes. A lamp terminal or the like provided at the end of the cable leading to the load component is fixed to the terminal bolt 131b by tightening a nut.

  Of the four load connecting portions 131,..., The other three load connecting portions 132,... 134 are males connected to female terminals of connectors provided at the end of the cable leading to the load component. It is a terminal. The housing 11 has a terminal mounting surface 21 when the battery connection portion 12, the one load connection portion 131, and the portion that forms the vicinity of the two fusing portions 141 and 142 are electrically connected to the rod-shaped electrode 22. It is substantially parallel to the plane containing it. Further, the end of the housing 11 opposite to the battery connecting portion 12 side extends substantially perpendicular to the plane including the terminal mounting surface 21, that is, substantially parallel to the side surface of the battery 2. Thus, the housing 11 has a substantially L-shaped side surface. In the housing 11, a portion extending substantially parallel to the side surface of the battery 2 is a connector housing in which each of the three load connection portions 132,.

  Of these three load connecting portions 132,..., Two load connecting portions 132, 133 are ends of the one load connecting portion 131 connected to the battery connecting portion 12 through one fusing portion 141. It is provided at the edge. The two load connecting portions 132 and 133 are bent at the end edges so as to be substantially orthogonal to the load connecting portion 131 and extend in a tab shape. The remaining load connecting portion 134 is a strip-like portion connected to the battery connecting portion 12 via another fusing portion 142, and is bent so as to be substantially orthogonal to the battery connecting portion 12 in the middle. It extends in a tab shape.

  The fusing parts 141 and 142 are formed in a band shape narrower than the battery connection part 12 and the four load connection parts 131,..., 134, and low melting point metals 141a and 142a are attached to the middle thereof. At the time of melting, the low melting point metal 141a, 142a is melted.

  The housing 11 is formed by insert molding with respect to the bus bar 16. In insert molding, the battery connecting portion 12 and one load connecting portion 131 are exposed, the screw portion of the terminal bolt 131b passes through the through hole 131a of the load connecting portion 131, and three load connecting portions 132,... To fit within the connector housing.

  Here, after the fuse unit 1 of the present embodiment is connected to the rod-shaped electrode 22 via the battery terminal 3, almost the entire portion including the connection portion with the rod-shaped electrode 22 is covered with a protective cover as follows.

  FIG. 3 is a diagram illustrating a fuse unit covered with a protective cover. In FIG. 3, the protective cover 4 is indicated by a dotted line. As shown in FIG. 3, the fuse unit 1 includes the battery connection portion 12 and the load connection portions 131,... 134 as a whole together with the rod-shaped electrode 22 of the battery 2 and the battery terminal 3. 4 is covered.

  In the fuse unit 1 of the present embodiment, the battery connecting portion 12 is exposed from the protective cover 4 when the battery connecting portion 12 is electrically connected to the rod-shaped electrode 22 and covered with the protective cover 4. A leaf spring terminal 15 extending in a strip shape is provided. The leaf spring terminal 15 is also a part of the bus bar 16 and is exposed from the housing 11. The leaf spring terminal 15 is bent and raised so as to be in an upright posture with respect to the battery connection portion 12 and can be bent back by elastic deformation.

  Furthermore, in the fuse unit 1 of the present embodiment, a lock portion 113 that is releasably locked to the leaf spring terminal 15 that is bent back by elastic deformation is integrally formed with the housing 11. When the locking by the lock portion 113 is released, the leaf spring terminal 15 is restored to the standing posture by the restoring force. FIG. 3 shows a state in which the lock portion 113 is locked to the leaf spring terminal 15 in the bent back state.

  4 is a cross-sectional view showing a V1-V1 cross section in FIG. 3, and FIG. 5 is a view showing a V2 arrow in FIG. FIG. 5 (A) shows a view along arrow V2 in FIG. 4, and FIG. 5 (B) shows an enlarged view of a region A1 in FIG. 5 (A). 4 and 5, the illustration of the protective cover 4 shown in FIG. 3 is omitted.

  As shown in FIGS. 3 to 5, the leaf spring terminal 15 of the fuse unit 1 has a height from the terminal mounting surface 21 of the battery 2 higher than the height of the housing 11 by bending back from the standing posture. It is formed so that it can be elastically deformed into a lowered sleeping posture. Since the housing 11 is covered with the protective cover 4, the leaf spring terminal 15 in the lying position is lower than the height of the protective cover 4 from the terminal mounting surface 21. Further, the leaf spring terminal 15 is formed so that the tip thereof is positioned closer to the battery connecting portion 12 than the side end surface 11 a of the housing 11 when in a lying position.

  The lock portion 113 is releasably locked to the leaf spring terminal 15 in the lying position, and includes a rod-shaped portion 113a, a standing plate portion 113b, and a locking claw portion 113c. The rod-shaped portion 113 a is a portion that protrudes from the side end surface 114 on the battery connection portion 12 side in the housing 11. The standing plate portion 113b is a portion that rises in a band plate shape from the tip of the rod-like portion 113a so as to be substantially parallel to the plate spring terminal 15 in the standing posture shown in FIG. The locking claw portion 113c is a portion that protrudes from the middle of the surface of the standing plate portion 113b on the side of the leaf spring terminal 15 and is locked to the distal end portion of the leaf spring terminal 15 that is bent back in the arrow D1 direction. . The standing plate portion 113b is formed in a thickness that can be elastically deformed by the elasticity of the resin in the direction of an arrow D2 in which the locking claw portion 113c contacts and separates from the distal end portion of the leaf spring terminal 15 in a bent state. When the operator places a finger on the tip of the standing plate portion 113b and elastically deforms the standing plate portion 113b so that the locking claw portion 113c is separated from the tip portion of the leaf spring terminal 15, the leaf spring terminal 15 is It is restored to the standing posture by the restoring force.

  FIG. 6 is a view showing the fuse unit in a state where the leaf spring terminal is restored to the upright posture. FIG. 7 is a cross-sectional view showing a V2-V2 cross section in FIG. In FIG. 7, illustration of the protective cover 4 shown in FIGS. 3 and 6 is omitted.

  As described above, when the worker elastically deforms the standing plate portion 113b and releases the lock by the lock portion 113, the leaf spring terminal 15 is brought into a posture standing by its restoring force, as indicated by an arrow D3 in FIG. Reinstate as shown. As described above, the leaf spring terminal 15 is provided so as to extend from the battery connecting portion 12 in a band plate shape so as to be exposed from the protective cover 4 when the fuse unit 1 is covered by the protective cover 4. For this reason, as shown in FIG. 6, the plate spring terminal 15 after the repositioning is in an upright state outside the protective cover 4.

  In the present embodiment, when the above-described jump start is performed with the battery 2 raised, the leaf spring terminal 15 in the upright position as described above serves as an attachment location for the alligator terminal of the starter cable. Used.

  According to the fuse unit 1 of the present embodiment described above, the leaf spring terminal 15 is formed so as to be exposed from the protective cover 4. Thereby, at the time of a jump start, the operation | movement of using the leaf | plate spring terminal 15 as an attachment location of the alligator terminal of a starter cable outside the protective cover 4 is attained. That is, according to the fuse unit 1 of the present embodiment, it is not necessary to remove the protective cover 4 at the time of jump start, and jump start can be easily performed.

  Further, according to the fuse unit 1 of the present embodiment, the leaf spring terminal 15 is bent back from the standing posture, so that the height from the terminal mounting surface 21 is lower than the height of the housing 11. The elastic deformation is possible. The leaf spring terminal 15 is releasably locked in a sleeping position by a lock portion 113 provided on the housing 11, and when the lock portion 113 is released, the leaf spring terminal 15 is restored. The position is restored to a standing posture by force. Thereby, at the time of jump start, the locking portion 113 is released outside the protective cover 4 and the leaf spring terminal 15 is raised, and the leaf spring terminal 15 is attached to the alligator terminal of the starter cable. It can be used as an operation. Further, at times other than jump start, the leaf spring terminal 15 is elastically deformed to a low lying position as described above and is locked to the lock portion 113, so that inadvertent contact with the leaf spring terminal 15 or the like. Can be suppressed. Further, the leaf spring terminal 15 is formed so that the tip thereof is positioned closer to the battery connecting portion 12 than the side end surface 11 a of the housing 11 when in a lying position. In this respect as well, inadvertent contact with the leaf spring terminal 15 can be suppressed.

  In addition, the fuse unit 1 of the present embodiment is connected to the battery connection portion 12 and the load connection portions 131,..., 134 via fusing portions 141 and 142 that are blown when a current exceeding a predetermined allowable current flows. The fuse function is added. According to the fuse unit 1, the leaf spring terminal 15 that can be used as an attachment location of the alligator terminal of the starter cable extends from the battery connection portion 12 as described above. That is, the leaf spring terminal 15 is located upstream of the fusing parts 141 and 142 in the current path from the battery 2. For this reason, at the time of jump start, electric power is supplied to the load components via the fusing parts 141 and 142, and jump start can be performed while maintaining the fuse function.

  Further, in the fuse unit 1 of the present embodiment, as shown in FIG. 2, the battery connection portion 12, the load connection portions 131,..., 134, the leaf spring terminal 15, and the fusing portions 141 and 142 are as shown in FIG. The bus bar 16 is formed by integrally cutting from a single metal plate. According to the fuse unit 1, the material cost and the like can be suppressed while suppressing the electrical resistance between the battery connection portion 12, the load connection portions 131,..., 134, the leaf spring terminal 15, and the fusing portions 141 and 142. Thus, these members can be formed.

  In addition, embodiment described above showed only the typical form of this invention, and this invention is not limited to these embodiment. That is, various modifications can be made without departing from the scope of the present invention. Of course, such modifications are included in the scope of the present invention as long as the configuration of the battery terminal block of the present invention is provided.

  For example, in the above embodiment, the fuse unit 1 that is electrically connected to the rod-shaped electrode 22 of the battery 2 via the battery terminal 3 is illustrated as an example of the battery terminal block according to the present invention. However, the battery terminal block according to the present invention is not limited to this, and may be, for example, one that is directly electrically connected and fixed to the electrode of the battery.

  Moreover, in said embodiment, the fuse unit 1 which was provided with the fuse parts 141 and 142 and was provided with the fuse function as an example of the battery terminal block said to this invention is illustrated. However, the battery terminal block referred to in the present invention is not limited to this, and may be a simple terminal block. However, it is needless to say that the provision of the fuse function provides the advantage that the battery power can be supplied to the load components while suppressing the outflow of overcurrent.

  In the above embodiment, as an example of the battery terminal block according to the present invention, the load terminal connection and the four load connection portions 131,... A fuse unit 1 having a substantially L-shaped shape is illustrated. However, the battery terminal block referred to in the present invention is not limited to this, and the specific configuration of the number and application of the load connecting portions, the shape of the housing, etc. is not questioned.

  In the above embodiment, as an example of the leaf spring terminal according to the present invention, the leaf spring terminal whose height from the terminal mounting surface 21 in the lying position is lower than any height of the housing 11 and the protective cover 4. 15 is illustrated. However, the leaf spring terminal referred to in the present invention is not limited to this, and the height from the terminal mounting surface in the lying position may be higher than that of the housing but lower than that of the protective cover.

1 Fuse unit (example of battery terminal block)
DESCRIPTION OF SYMBOLS 2 Battery 3 Battery terminal 4 Protective cover 11 Housing 12 Battery connection part 15 Leaf spring terminal 16 Bus bar 21 Terminal mounting surface 22 Bar-shaped electrode 113 Lock part 131,132,133,134 Load connection part 141,142 Fusing part

Claims (4)

The battery is electrically connected to an electrode provided on a terminal mounting surface of the battery, and at least a connection portion with the electrode is covered with a protective cover, and the electric power from the battery is transferred to a load component operated by the electric power. A battery terminal block for delivery,
A resin housing;
A member that is formed in a plate shape and is electrically connected to the electrode, and is exposed from the housing so as to be substantially parallel to a plane including the terminal mounting surface when electrically connected to the electrode. A battery connection that extends and is covered by the protective cover;
A load connection portion formed of metal and connected to the battery connection portion in the housing, and the load component is electrically connected;
When the battery connecting portion is electrically connected to the electrode and covered with the protective cover, the battery connecting portion extends from the battery connecting portion so as to be exposed from the protective cover, and is connected to the battery connecting portion. A battery terminal block comprising: an exposed terminal that is bent and raised so as to be in an upright posture. The exposed terminal can be elastically deformed into a sleeping position in which the height from the terminal mounting surface is lower than the height of at least one of the protective cover and the housing by bending back from the standing position. A formed leaf spring terminal,
A lock portion provided in the housing and releasably locked to the leaf spring terminal in the sleeping position;
2. The battery terminal block according to claim 1, wherein when the locking by the lock portion is released, the leaf spring terminal is restored to the upright posture by its restoring force.   3. The battery terminal block according to claim 1, wherein the battery connection portion and the load connection portion are connected via a fusing portion that blows when a current exceeding a predetermined allowable current flows.   4. The battery according to claim 3, wherein the battery connection portion, the load connection portion, the exposed terminal, and the fusing portion are formed by being integrally cut out from a single metal plate. Terminal block.

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