JP2010160991A - Resin component for battery terminal and battery terminal with resin component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a resin component capable of preventing two parts from separating or falling off even if a hinge connecting them is broken, and a battery terminal with a resin component made up by assembling such a resin component. <P>SOLUTION: The battery terminal with a resin component 1 is structured of a battery terminal 2 and a resin component (a resin component for the battery terminal) 3 mounted on the battery terminal 2. The resin component 3 is provided with a lower terminal cover 18, an upper terminal cover 19, a hinge 20, lock parts 21, and a terminal stopper 22, all of them integrated. The resin component 3 is assembled into the battery terminal 2 as the battery terminal 2 is pinched with the lower terminal cover 18 and the upper terminal cover 19, and that pinched state is maintained by the lock part 21. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a resin component assembled to a battery terminal and a battery terminal with a resin component formed by assembling the resin component.

  A battery terminal and an anticorrosion cover as a resin part assembled to the battery terminal are disclosed in, for example, Patent Document 1 below.

  In FIG. 5, the battery terminal 141 has a pair of annular portions 145a and 145b arranged in the vertical direction. Battery post insertion holes 147 for inserting the battery posts 103 are formed in the annular portions 145a and 145b, respectively. The annular portions 145a and 145b have a tightening gap 149 formed by dividing one circumferential direction of the battery post insertion hole 147, and are opened by the tightening gap 149.

  The annular portions 145a and 145b are connected to each other on the tightening gap 149 side by a pair of tightening portions 155 and 155. On the opposite side of the tightening gap 149, the joining plates 151a and 151b are overlapped to form a wire connection portion. Terminal fixing bolts 153 are erected on the joining plate 151a.

  A pair of tightening portions 155 and 155 connecting the upper and lower annular portions 145a and 145b are formed with through holes 157 penetrating in the left-right direction. A tightening bolt 159 that crosses the tightening gap 149 is inserted into the through hole 157.

  The tightening bolt 159 penetrating the through hole 157 cooperates with the nut 161 screwed to the tip, so that the pair of tightening portions 155 and 155 on both sides of the tightening gap 149 can be tightened in a direction close to each other. It has become. When tightening is performed, the battery post insertion holes 147 of the annular portions 145a and 145b are reduced in diameter.

  The anticorrosion cover 163 is disposed so as to be interposed between the battery terminal 141 and the battery. The anticorrosion cover 163 has a terminal lower cover (bottom plate portion) 165, and annular portions 145 a and 145 b and a side wall 167 surrounding the side surface of the electric wire connecting portion are formed around the terminal lower cover 165. Yes. An insertion hole 169 for inserting the battery post 103 is formed in the center of the terminal lower cover 165.

  At one end of the terminal lower cover 165, an insertion portion 171 inserted into the tightening gap 149 is provided upright. A through hole 173 into which the fastening bolt 159 is inserted is formed in the sandwiching portion 171. The sandwiching portion 171 is formed in a tapered shape in which both surfaces taper toward the tip.

  In the above configuration, the sandwiching portion 171 of the anticorrosion cover 163 is inserted into the tightening gap 149 of the annular portions 145a and 145b. The anticorrosion cover 163 and the battery terminal 141 are combined together, and the battery post 103 is inserted into the insertion hole 169 and the battery post insertion hole 147.

  When a tightening bolt 159 is inserted into the pair of tightening portions 155 and 155 and the sandwiching portion 171 and the nut 161 is screwed and tightened, the pair of tightening portions 155 and 155 come close to each other, and the annular portions 145a and 145b become Close contact with the outer peripheral surface of the battery post 103.

  The anticorrosion cover 163 is made of synthetic resin and is provided to prevent the battery terminal 141 from being corroded. When the anticorrosion cover 163 is assembled to the battery terminal 141, the battery terminal 141 becomes a battery terminal with an anticorrosion cover.

Japanese Patent Laid-Open No. 10-12214 (page 3-4, FIG. 1-4)

  The above prior art has a problem that workability is poor because the integrated state of the anticorrosion cover 163 and the battery terminal 141 is unstable until the fastening bolt 159 is inserted into the insertion portion 171. ing. Further, regarding the replacement of the anticorrosion cover 163 and the like, there is a problem that workability is poor because the fastening bolt 159 is inserted and removed. Therefore, the inventor of the present application considered assembling the anticorrosion cover 163 to the battery terminal 141 without using the fastening bolt 159.

  FIG. 5 shows an anticorrosion cover 201 examined by the present inventors. The anticorrosion cover 201 has a terminal lower cover 203 disposed at the lower part of the battery terminal 202. A terminal upper cover 205 is coupled to one of the left and right sides of the terminal lower cover 203 via a hinge 204. The anticorrosion cover 201 bends the hinge 204 to sandwich the battery terminal 202 between the terminal lower cover 203 and the terminal upper cover 205, and is provided on the locking protrusion 206 provided on the terminal lower cover 203 and the terminal upper cover 205. When the locking frame 207 is locked, the assembly to the battery terminal 202 is completed.

  Incidentally, the anticorrosion cover 201 examined by the present inventor has the following problems, and the inventor of the present invention thinks that it is necessary to solve this problem. That is, in the anticorrosion cover 201, when the hinge 204 is broken for some reason, the terminal upper cover 205 may be separated from the terminal lower cover 203 and dropped.

  The present invention has been made in view of the above circumstances, and a resin component capable of preventing separation and dropping even when a hinge connecting two portions is broken, and a resin formed by assembling this resin component An object is to provide a battery terminal with parts.

  The resin component for a battery terminal of the present invention according to claim 1 made to solve the above-mentioned problem is a component made of a synthetic resin assembled to a battery terminal connected to a battery post of the battery, wherein the battery A hinge that is bent at the front side of the terminal, a terminal upper cover that is coupled to one end of the hinge, a terminal lower cover that is coupled to the other end, and one lock portion that is provided on each of the left and right sides of the terminal upper cover And the other lock portions respectively provided on the left and right sides of the terminal lower cover, and when the battery terminal is sandwiched from above and below by the terminal upper cover and the terminal lower cover, the one lock Portion and the other lock portion are connected to the battery terminal. It is characterized in that respectively engage at the position of the left and right side portions of the Le.

  According to the present invention having such a feature, when the resin component is assembled to the battery terminal, the locked state of the terminal upper cover and the terminal lower cover is formed at the positions of the left and right sides of the battery terminal. Even if the hinge breaks, the locked state of the positions of the left and right sides of the battery terminal is maintained, so that the terminal upper cover does not fall off from the terminal lower cover. Even if the hinge breaks, the upper and lower pinching with respect to the battery terminal is maintained.

  A resin component for a battery terminal according to a second aspect of the present invention is the resin component for a battery terminal according to the first aspect, wherein the resin component for a battery terminal is coupled to a rear portion of the lower cover of the terminal so as to be in contact with a side portion of the battery. It is characterized by further having a terminal stopper for positioning.

  According to the present invention having such characteristics, for example, when the battery terminal is connected to the battery post, the movement of the battery terminal in the rotational direction is restricted by the terminal stopper coming into contact with the side portion of the battery.

  A battery terminal with a resin component according to claim 3 of the present invention, which has been made to solve the above problems, is a battery in which the resin component for a battery terminal according to claim 1 or 2 is connected to a battery post of the battery. It is characterized by being assembled to the terminal.

  According to the present invention having such a feature, the resin part is assembled to the battery terminal, and the resin part can separate and drop the two parts even when the hinge connecting the two parts is broken. It is possible to prevent.

  According to the first aspect of the present invention, even if the hinge connecting the two parts is broken, the two parts can be prevented from being separated and dropped off.

  According to the second aspect of the present invention, there is an effect that it is possible to have a detent (positioning) function.

  According to the third aspect of the present invention, there is an effect that it is possible to provide an assembled resin part that does not separate and fall off.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows one Embodiment of the resin component for battery terminals of this invention, and the battery terminal with a resin component, (a) is a top view which shows the state which opened the terminal upper cover before an assembly | attachment, (b) It is a top view which shows the state after an assembly | attachment. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows one Embodiment of the resin component for battery terminals of this invention, and the battery terminal with a resin component, (a) is a side view which shows the state which opened the terminal upper cover before an assembly | attachment, (b) It is a side view which shows the state after an assembly | attachment. It is a figure which shows one Embodiment of the resin component for battery terminals of this invention, and the battery terminal with a resin component, (a) is a perspective view which shows the state after an assembly | attachment, (b) is connected to the battery post of a battery It is a side view which shows the state of having performed. It is a disassembled perspective view of the battery terminal of a prior art example. It is explanatory drawing which concerns on a problem, (a) is a top view which shows the state which opened the terminal upper cover before an assembly | attachment, (b) is a top view which shows the state after an assembly | attachment.

  Hereinafter, description will be given with reference to the drawings. FIG. 1 is a view showing an embodiment of a resin component for a battery terminal and a battery terminal with a resin component according to the present invention, and FIG. 1 (a) is a plan view showing a state in which the terminal upper cover before assembly is opened. FIG. 1 (b) is a plan view showing a state after assembly, FIG. 2 (a) is a side view showing a state in which a terminal upper cover is opened before assembly, and FIG. 2 (b) is a side view showing a state after assembly. FIG. 3 (a) is a perspective view showing a state after assembly, and FIG. 3 (b) is a side view showing a schematic state connected to a battery post of the battery.

  1 to 3, reference numeral 1 denotes a battery terminal with a resin component according to the present invention. The battery terminal 1 with a resin component includes a battery terminal 2 and a resin component (battery terminal resin component) 3 that is assembled to the battery terminal 2. In the battery terminal 1 with resin parts, the battery terminal 2 is connected to the battery post 5 of the battery 4. The battery 4 and the battery post 5 are known (general and general), and the battery post 5 is formed so as to have a tapered peripheral side surface having a distal end diameter smaller than a proximal end diameter. Yes. The resin component 3 is provided in order for the battery terminal 2 to have an anticorrosion function and a detent (positioning) function. Further, as will be described later, the resin component 3 is formed so as to prevent separation and dropping even when the resin component 3 is broken. Hereinafter, the structure of the battery terminal 2 and the resin component 3 will be described.

  The battery terminal 2 is manufactured by pressing a conductive metal plate. In this embodiment, Sn plating is applied. As the battery terminal 2, a known one (a general one having versatility) is used.

  The battery terminal 2 includes a pair of annular portions 6 and 7, a pair of tightening portions 8 and 8, and a wire connection portion 9 formed of a pair of joining plates. Further, the battery terminal 2 includes a terminal fixing bolt 10 held by the electric wire connection portion 9 and a nut (not shown) that is screwed to the terminal fixing bolt 10. Furthermore, the battery terminal 2 has a fastening bolt 16 described later and a nut 17 that is screwed into the fastening bolt 16. An external connection terminal (not shown) is connected to the wire connection portion 9.

  In the present specification, the axial direction of the battery post 5 is defined as the vertical direction, the tip of the battery post 5 is defined as the upper side, and the base end is defined as the lower side. Therefore, the annular part 6 is arranged on the upper side and the annular part 7 is arranged on the lower side.

  A battery post insertion hole 11 for inserting the battery post 5 is formed in a substantially center of the annular portion 6 so as to penetrate in the vertical direction. The battery post insertion hole 11 is formed so as to come into contact with the peripheral side surface of the battery post 5. The battery post insertion hole 11 is formed in an annular shape in accordance with the diameter on the tip side of the battery post 5. The battery post insertion hole 11 is formed in a state where a portion between the tightening portions 8 and 8 is divided.

  A battery post insertion hole 12 for inserting the battery post 5 is formed in a substantially center of the annular portion 7 so as to penetrate in the vertical direction. The battery post insertion hole 12 is formed so as to contact the peripheral side surface of the battery post 5. The battery post insertion hole 12 is formed in an annular shape in accordance with the diameter of the base end side of the battery post 5. The battery post insertion hole 12 is formed in a state where a portion between the tightening portions 8 and 8 is divided.

  Reference numeral 13 denotes a part of the battery post insertion hole 11, 12 that is cut off.

  The fastening portions 8 and 8 are portions that connect the annular portions 6 and 7 so as to overlap each other with a space therebetween, and are formed in a shape that curves in a U-shape in the front-rear direction. The fastening portions 8 and 8 are arranged and formed on the left and right sides of the part 13 that is partially cut off. The tightening portions 8, 8 are arranged in parallel in the left-right direction with a tightening gap 14 communicating with a partially cut portion 13. Bolt insertion holes 15 are formed inside the tightening portions 8 and 8.

  A fastening bolt 16 that passes through and passes through the fastening gap 14 is inserted into the bolt insertion hole 15. The tightening bolt 16 cooperates with the nut 17 screwed to the tip, so that the tightening portions 8 on both sides of the tightening gap 14 can be tightened in directions close to each other (tightening occurs). And the battery post insertion holes 11 and 12 are reduced in diameter).

  The resin component 3 is a member interposed between the battery 4 and the battery terminal 2, and uses a synthetic resin material in order to provide corrosion resistance to the battery liquid (to provide an anticorrosion function). Are molded. In this embodiment, the resin component 3 is made of an inexpensive material such as PP (polypropylene) (not limited to this). Further, the resin component 3 is formed to have a terminal stopper 22 to be described later in order to have a function of preventing the battery terminal 2 from rotating (positioning) with respect to the battery 4. In addition, since it has said each function, the resin component 3 can also be called an anticorrosion cover or a terminal stopper.

  The resin component 3 includes a terminal lower cover 18, a terminal upper cover 19, a hinge 20, a lock portion 21, and a terminal stopper 22. The resin part 3 has the above-mentioned parts integrated. The resin component 3 is assembled to the battery terminal 2 by sandwiching the battery terminal 2 between the terminal lower cover 18 and the terminal upper cover 19 and maintaining the sandwiched state by the lock portion 21.

  The terminal lower cover 18 is formed as a plate-like part interposed between the lower part of the battery terminal 2 and the upper part 23 of the battery 4. A circular insertion hole (reference numeral omitted) for the battery post 5 is formed through the terminal lower cover 18. The left and right side portions 24 and 25 of the terminal lower cover 18 are respectively formed with locking projections 26 that are one of the lock portions 21 (corresponding to the other in the claims). The side portions 24 and 25 are formed to be stepped as shown in a plan view. The locking projections 26 are arranged and formed below the steps of the side portions 24 and 25.

  The terminal upper cover 19 is formed as a plate-like portion that overlaps the upper portion of the battery terminal 2. An insertion hole escape portion 27 is formed in the center portion of the terminal upper cover 19 so as to escape from the battery post insertion hole 11 of the battery terminal 2. The left and right side portions 28, 28 of the terminal upper cover 19 are respectively formed with locking frame portions 29 serving as the other (corresponding to one in the claims) of the lock portion 21. The locking frame portion 29 is formed so as to be hooked on the locking projection 26 of the terminal lower cover 18. The locking frame portion 29 is formed to have a thickness that is flush with the upper side of the steps of the side portions 24 and 25 in the terminal lower cover 18 when hooked on the locking projection 26.

  The hinge 20 is a portion that is bent (curved in a U-shape in the front-rear direction) on the front side of the battery terminal 2 (the side where the tightening portions 8 and 8 are present). It is formed to be much thinner than the terminal upper cover 19. The hinge 20 has a substantially strip shape, and has a terminal upper cover 19 at one end and a terminal lower cover 18 at the other end. The hinge 20 is formed to connect the two parts of the terminal upper cover 19 and the terminal lower cover 18.

  The terminal stopper 22 is coupled to the rear portion of the terminal lower cover 18. The terminal stopper 22 is formed as a positioning portion that can come into contact with the side portion 30 of the battery 4 and a rotation-preventing portion. In this embodiment, the terminal stopper 22 is formed in a substantially L shape in side view so as to straddle the upper portion 23 and the side portion 30 of the battery 4. The terminal stopper 25 is formed with a plurality of ribs 31 and 32 for increasing the rigidity.

  In the above-described configuration and structure, the resin component 3 has the terminal lower cover 18 set at the lower part of the battery terminal 2, and then the hinge 20 is bent at the front side of the battery terminal so that the battery terminal 2 is connected to the terminal upper cover 19 and the terminal lower cover 18. And the locking projections 26 and the locking frame portions 29 are respectively engaged at the positions of the left and right sides of the battery terminal 2 to form a locked state at two positions on the left and right. Is completed.

  Even if the hinge 20 is broken, the resin component 3 is locked at the positions of the left and right sides of the battery terminal 2, so that the terminal upper cover 19 and the terminal lower cover 18 are used to move the battery terminal 2 up and down. It is possible to maintain the state of being sandwiched from. That is, even if the hinge 20 is broken, the terminal upper cover 19 is not separated and dropped from the terminal lower cover 18.

  Since the resin component 3 is configured to bend the hinge 20 on the front side of the battery terminal 2, the bending position is different from that of the hinge 204 described in FIG. Therefore, the resin component 3 can be made narrower in the width dimension A in the left-right direction by at least the hinge 204 than the width dimension B in FIG. 5 (A <B). The resin component 3 can save more space than the anticorrosion cover 201 of FIG.

  As described above with reference to FIGS. 1 to 3, according to the present invention, even if the hinge 20 that connects the terminal upper cover 19 and the terminal lower cover 18 is broken, the lock portion 21. Can prevent separation and dropping of the two parts. According to the battery terminal 1 with a resin component of the present invention, the assembled resin component 3 is not separated and dropped off.

  It goes without saying that the present invention can be variously modified without departing from the spirit of the present invention.

  In the above description, the battery terminal 2 of the type in which the tightening portions 8 and 8 are brought close to each other by tightening the tightening bolt 16 and the nut 17 from the lateral direction is taken as an example. It is also possible to apply to a battery terminal of a type that tightens the nut and converts the tightening force to the lateral direction to bring the tightening portion close (however, the tightening bolt and nut relief portion on the hinge 20) Need to be formed).

1 Battery terminal with resin parts 2 Battery terminal 3 Resin parts (resin parts for battery terminals)
4 Battery 5 Battery post 11, 12 Battery post insertion hole 18 Terminal lower cover 19 Terminal upper cover 20 Hinge 21 Lock portion 22 Terminal stopper 23 Upper 24, 25 Side portion 26 Locking projection 28 Side portion 29 Locking frame portion 30 Side portion

Claims (3)

A component made of synthetic resin that is assembled to the battery terminal connected to the battery post of the battery,
A hinge bent at the front side of the battery terminal;
A terminal upper cover coupled to one end of the hinge and a terminal lower cover coupled to the other end;
One lock portion provided on each of the left and right sides of the terminal upper cover and the other lock portion provided on each of the left and right sides of the terminal lower cover;
And have
When the battery terminal is sandwiched from above and below by the terminal upper cover and the terminal lower cover, the one lock part and the other lock part are respectively engaged at the positions of the left and right side parts of the battery terminal. Characteristic plastic parts for battery terminals. In the resin component for a battery terminal according to claim 1,
A resin component for a battery terminal, further comprising a positioning terminal stopper which is coupled to a rear portion of the terminal lower cover and can come into contact with a side portion of the battery. A battery terminal with a resin component, wherein the resin component for a battery terminal according to claim 1 or 2 is assembled to a battery terminal connected to a battery post of the battery.

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