JP2010083164A - Cover for battery terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cover for a battery terminal, improved in maintainability in such a way that the cover for the battery terminal having no hinge part covers a battery terminal structural part openably/closably, secures insulation by preventing fitting backlash due to degradation and damage of a hinge part and preventing the cover from being lost, and widely opens the battery terminal structural part. <P>SOLUTION: The cover 30 for a battery terminal covers a battery terminal structural part 10 having a battery post 12 provided in a battery 11, a battery terminal 13 connected to the battery post 12 and a battery direct mounting fuse unit 14. The battery direct mounting fuse unit 14 includes a supporting shaft 26 extended in the substantially horizontal direction. A guide groove 40 is provided in a sidewall 33 of the cover 30 for a battery terminal, the guide groove 40 being constituted of a first guide groove 37 and a second guide groove 38 continually formed from the first guide groove 37 via a junction point J, and the supporting shaft 26 is slidably fitted to the guide groove 40. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a battery terminal cover, and more specifically, a battery that covers and protects a battery direct fuse unit connected to a battery post of a battery mounted on a vehicle via a battery terminal together with the battery post and the battery terminal. It relates to the improvement of the terminal cover.

  There is a battery terminal having a configuration in which a battery direct-attached fuse unit is connected to a battery post of a battery mounted on a vehicle via a battery terminal. The battery terminal is provided with a protective cover that covers the battery terminal in order to ensure insulation between the battery terminal and an external member. As a conventional protective cover, there is known a protective cover having a fixing cover and an opening / closing cover connected to the fixing cover via a hinge portion, and the opening / closing cover can be opened / closed around the hinge portion. (See Patent Document 1).

The protective cover described in Patent Document 1 includes a fixing cover that is fixed by engaging a concave portion of the battery direct-attached fuse unit with a locking convex portion provided on the protective cover, and mainly covering the battery direct-attached fuse unit. The cover is continuously formed on the fixing cover via the hinge part, and includes an opening / closing cover mainly covering the battery terminal and the battery post, and is integrally formed of synthetic resin.
JP 2002-270082 A

  However, since the protective cover described in Patent Document 1 is connected to the fixing cover via the hinge portion formed with a thin opening / closing cover, the strength of the hinge portion is weak and accompanying the opening / closing of the opening / closing cover. There is a possibility that the hinge part may be loosened and the fixing of the opening / closing cover becomes unstable. In an extreme case, the hinge part may be broken and the opening / closing cover separated from the fixing cover may be lost, and the insulation of the battery terminal may not be ensured. Further, when performing maintenance of the battery terminal, only the battery terminal and the battery post covered with the opening / closing cover can be opened, so that workability is difficult and work efficiency is inferior.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to cover the battery terminal structure portion with a battery terminal cover that does not have a hinge portion so that the battery terminal structure can be opened and closed. It is an object of the present invention to provide a battery terminal cover that can prevent the occurrence of the battery and the loss of the cover, ensure insulation, and greatly open the battery terminal structure to improve maintainability.

In order to achieve the above-described object, the battery terminal cover according to the present invention is characterized by the following (1) to (3).
(1) A battery post provided on the battery, a battery terminal including a post connecting portion and a stud bolt connected to the battery post, and a battery direct connected to the stud bolt arranged along the outer shape of the battery. A battery terminal cover that covers a battery terminal structure having an attached fuse unit,
The battery direct fuse unit includes a support shaft extending in a substantially horizontal direction,
The battery terminal cover is formed in a box shape having a substantially rectangular plate-shaped ceiling portion, and a square cylindrical peripheral wall made up of a pair of side walls, a front wall and a rear wall erected from the ceiling portion,
The side wall is formed with a guide groove that includes a first guide groove and a second guide groove that is continuously formed from the first guide groove via a continuous contact, and into which the support shaft is slidably fitted. ,
When the support shaft is located at a first position of the first guide groove that is spaced apart from the communication contact point between the first guide groove and the second guide groove, the battery terminal cover and the battery direct attachment fuse unit And the rotation of the battery terminal cover is prevented, the battery terminal cover is held in a cover position covering the battery terminal structure,
The battery terminal cover and the battery direct-attached fuse when the battery terminal cover is moved along the shape of the first guide groove while being guided by the support shaft and the support shaft is positioned at the communication contact. The battery terminal structure can be opened by releasing the contact with the unit and allowing the battery terminal cover to rotate.
The second position of the second guide groove in which the support shaft is moved away from the connecting contact by moving the battery terminal cover along the shape of the second guide groove while guiding the rotated battery terminal cover with the support shaft. When the battery terminal cover and the battery are in contact with each other, the battery terminal cover is prevented from rotating, and the battery terminal cover is held in an open position to open the battery terminal structure. It was to so,
thing.
(2) The guide groove is formed in an approximately L-shape in which the first guide groove and the second guide groove intersect at right angles, and the battery terminal cover is approximately 90 ° around the support shaft. It can be turned,
thing.
(3) The battery terminal cover is integrally formed of synthetic resin.
thing.

According to the battery terminal cover having the configuration (1), since there is no hinge portion, it is possible to prevent the occurrence of mounting play due to deterioration or breakage of the hinge portion and the loss of the cover, thereby ensuring insulation. be able to. In addition, since the rotation of the battery terminal cover is allowed only at one place and is blocked at other positions, the battery terminal cover covers the battery terminal structure and the battery terminal structure is opened. It can be held in position, and the cover function can be enhanced and maintenance work can be easily performed.
Moreover, according to the cover for battery terminals of the structure of said (2), a battery terminal structure part can be open | released largely and a maintainability can be improved.
In addition, according to the battery terminal cover having the configuration of (3), even if the cover is molded with synthetic resin, since there is no hinge portion, the selection range of usable synthetic resin is expanded.

  According to the present invention, it is possible to prevent the occurrence of mounting backlash due to deterioration or breakage of the hinge part and the loss of the cover, to ensure the insulation of the battery terminal structure part, and to improve the maintainability.

  The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading through the best mode for carrying out the invention described below with reference to the accompanying drawings.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the drawings.
1 is a perspective view showing a state in which a battery terminal cover according to the present invention attached to a battery terminal structure is opened, FIG. 2 is a side view of the battery terminal cover shown in FIG. 1, and FIG. It is a perspective view of a battery direct attachment fuse unit. In the following description, the upper and lower sides and the left and right sides are defined based on the state attached to the battery.

  As shown in FIG. 1, the battery terminal structure 10 includes a battery post 12 projecting from the upper surface of the battery 11, a battery terminal 13, a battery direct-attached fuse unit (hereinafter also simply referred to as a fuse unit) 14, Is provided. The outer peripheral surface of the battery terminal structure 10 is covered with a battery terminal cover 30.

  Referring also to FIG. 3, the battery terminal 13 includes a post connecting portion 15 that is fastened to a battery post 12 protruding from the upper surface of the battery 11 and a unit connecting portion that extends to one side of the post connecting portion 15. The plate part 16 for connecting the unit is provided with a stud bolt 17 for screwing a battery connection plate part 20 and the like to be described later.

  The fuse unit 14 is for electrically connecting the battery terminal 13 and an electric circuit (not shown), and a conductive metal plate-like fuse element 18 having a fuse (not shown), and the fuse element 18 is insert-molded. It is comprised with the insulated fuse housing 19 made.

  The fuse element 18 is a single conductive metal plate formed in a substantially L shape, and is vertically arranged with a battery connection plate portion 20 that is horizontally arranged in FIG. 3 and is electrically connected to the battery terminal 13. And a circuit connection plate portion (not shown) that is electrically connected to an electric circuit (not shown). A through hole (not shown) through which the stud bolt 17 of the battery terminal 13 is inserted is formed at one end (the left end in FIG. 3) of the battery connection plate portion 20. In addition, a pair of stud bolts 22A and 22B are implanted at the other end (right end in FIG. 3) of the battery connection plate portion 20, and a starter motor terminal and an alternator terminal (not shown) are fastened.

  The fuse housing 19 is formed in a substantially L shape in which the fuse element 18 is insert-molded and bent by approximately 90 ° from an intermediate portion, and is vertically disposed with the first housing 23 disposed horizontally in FIG. A second housing 24. In the first housing 23, a stud bolt 17 of the battery terminal 13 is inserted into a through hole (not shown) of the battery connection plate portion 20, and a nut 21 is screwed to be fixed to the battery terminal 13. As a result, the first housing 23 is fixed to the battery post 12 via the battery terminal 13. The second housing 24 is suspended along the side wall surface of the battery 11 while being bent at approximately 90 °. A pair of vertical walls 25 erected from the uppermost surface 27a of the second housing 24 are formed with support shafts 26 having a circular cross section so as to protrude in the horizontal direction.

  As shown in FIG. 2, the battery terminal cover 30 of the present embodiment has a substantially rectangular plate-shaped ceiling portion 31 and a rectangular cylindrical peripheral wall 32 suspended from four sides of the ceiling portion 31, and the lower surface is open. It is formed in a box shape. The rectangular cylindrical peripheral wall 32 includes a pair of side walls 33, a front wall 34 that connects the front ends of the pair of side walls 33, and a rear wall 35 that connects the rear ends of the pair of side walls 33. The battery terminal cover 30 is formed by injection molding a synthetic resin having electrical insulation characteristics.

  The pair of side walls 33 are provided with a drooping portion 36 having one end side (the right side in FIG. 2) extending downward so as to cover the side surface of the second housing 24 when attached to the fuse housing 19. It is formed in a letter shape. Further, when the battery terminal cover 30 is attached to the fuse housing 19, the first guide groove 37 and the second guide are located in the vicinity of the lower right corner of the hanging portion 36 in FIG. A guide groove 40 composed of the groove 38 is formed. The first guide groove 37 is formed in the vertical direction, and the second guide groove 38 is formed continuously from the lower end of the first guide groove 37 in the horizontal direction. That is, the first guide groove 37 and the second guide groove 38 are formed in a substantially L shape, with the lower end portion of the first guide groove 37 and the right end portion of the second guide groove 38 being continuous via the connecting contact J. Has been.

  The height of the rear wall 35 is substantially the same as the height of the side wall 33 excluding the drooping portion 36, and the lower end portion of the rear wall 35 is the upper surface 27b of the second housing 24 (the vertical length of the drooping portion 36 as will be described later). That is, it functions as an abutting portion 39 that abuts against the upper surface 27a (a surface positioned vertically below the uppermost surface 27a) and prevents the battery terminal cover 30 from rotating. Further, a partition wall 41 for insulating the stud bolts 22A and 22B and a position regulating rib 42 for positioning the battery terminal cover 30 in the height direction are formed on the inner surface side of the ceiling portion 31 ( (See FIG. 1).

  The battery terminal cover 30 inserts the pair of vertical walls 25 of the second housing 24 while expanding the pair of side walls 33 in a direction away from each other, and fits the support shaft 26 into the guide groove 40 so as to fit the fuse unit 14. Assembled into. As a result, the battery terminal cover 30 is guided by the fitting support shaft 26 and can move along the first guide groove 37 and the second guide groove 38.

  Next, the operation of the battery terminal cover will be described with reference to FIGS. 4 (a) to 4 (e) are perspective views sequentially illustrating a state in which the battery terminal cover attached to the battery is opened, and FIG. 5 is an upper view of the battery terminal cover at the cover position guided by the first guide groove. FIG. 6 is a side view of the main part showing the state where the battery terminal structure is opened by rotating the battery terminal cover around the support shaft. 7 is a side view of the main part showing a state in which the battery terminal cover rotated about 90 ° around the support shaft is guided by the second guide groove and moved downward to be held at the open position.

  As shown by broken lines in FIGS. 4A and 5, when the battery terminal cover 30 is in the cover position, the support shaft 26 fitted into the guide groove 40 has the first guide groove 37 and the second guide groove 38. It is located in the 1st position P1 of the 1st guide groove 37 upper part spaced apart from the continuous contact J. At this time, the contact portion 39 contacts the upper surface 27b of the second housing 24 or faces through a slight gap C to prevent the battery terminal cover 30 from rotating. Is held at a cover position covering the battery terminal structure 10 to protect the battery terminal structure 10.

  4B and 5, while the battery terminal cover 30 is guided by the support shaft 26, it is lifted upward along the shape of the first guide groove 37, and the support shaft 26. Is positioned at the connecting point J between the first guide groove 37 and the second guide groove 38. Thereby, the contact portion 39 of the battery terminal cover 30 is separated from the upper surface 27b of the second housing 24 and is allowed to rotate.

  Next, as shown in FIGS. 4C and 6, the battery terminal cover 30 is approximately 90 from the position indicated by the broken line in FIG. 6 to the position indicated by the solid line with the support shaft 26 positioned at the connecting contact J as the center. ° Rotate clockwise. As a result, the battery terminal structure 10, specifically, the battery posts 12, the battery terminals 13, and the upper surfaces (the pair of stud bolts 22 </ b> A and 22 </ b> B) of the battery direct attachment fuse unit 14 are exposed to the outside (also FIG. 1). reference).

  Then, the battery terminal cover 30 is pushed down along the shape of the second guide groove 38 while being guided by the support shaft 26 from the position indicated by the broken line to the position indicated by the solid line in FIG. Is positioned at the second position P2 of the second guide groove 38 separated from the second guide groove 38. At this time, since the lower end portion (contact portion 39) of the rear wall 35 of the battery terminal cover 30 faces the side wall 11a of the battery 11 with a slight gap, the rotation of the battery terminal cover 30 is prevented, Held in the open position.

  As described above, according to the battery terminal cover 30 of the present invention, since there is no hinge portion, there is no possibility of occurrence of mounting play due to deterioration or damage of the hinge portion or loss of the cover, The insulation of the battery terminal structure part 10 can be ensured reliably. Further, when the battery terminal cover 30 is formed of a synthetic resin, the range of usable synthetic resins can be expanded.

  The battery terminal cover 30 can be opened and closed only at a predetermined position, and can be held at a cover position that covers the battery terminal structure 10 and an open position that opens the battery terminal structure 10. In addition, the battery terminal cover 30 is prevented from falling off during the maintenance work, and the maintenance can be easily performed.

  Further, when the battery terminal cover 30 is in the open position, the battery direct connection from the entire battery terminal structure 10, that is, the unit connection plate 16 of the battery terminal 13 that could not be opened by the conventional protective cover. A wide range can be opened up to the upper surface (a pair of stud bolts 22A, 22B) of the attached fuse unit 14, and the work efficiency of maintenance is improved.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimension, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

It is a perspective view which shows the state by which the cover for battery terminals which concerns on this invention attached to the battery terminal was open | released. It is a side view of the cover for battery terminals shown in FIG. It is a perspective view of a terminal terminal and a battery direct attachment fuse unit. (A)-(e) is a perspective view which shows the state in which the cover for battery terminals with which the battery was mounted | worn open. It is a principal part side view which shows the state which the cover for battery terminals in a cover position moves to the upper direction guided by the 1st guide groove, and is prepared for opening. It is a principal part side view which shows the state which the cover for battery terminals rotates centering on a support shaft, and a battery terminal structure part is open | released. It is a principal part side view which shows the state which the cover for battery terminals rotated about 90 degrees centering on the support axis | shaft is guided by the 2nd guide groove, moves below, and is hold | maintained in an open position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Battery terminal structure part 11 Battery 12 Battery post 13 Battery terminal 14 Battery direct attachment fuse unit 15 Post connection part 17 Stud bolt 26 Support shaft 30 Battery terminal cover 31 Ceiling part 32 Square cylindrical peripheral wall 33 Side wall 34 Front wall 35 Rear wall 37 First guide groove 38 Second guide groove 40 Guide groove J Continuous contact P1 First position P2 Second position

Claims (3)

A battery post provided in the battery, a battery terminal including a post connecting portion and a stud bolt connected to the battery post, and a battery direct-attached fuse unit arranged along the outer shape of the battery and connected to the stud bolt A battery terminal cover covering the battery terminal structure having
The battery direct fuse unit includes a support shaft extending in a substantially horizontal direction,
The battery terminal cover is formed in a box shape having a substantially rectangular plate-shaped ceiling portion, and a square cylindrical peripheral wall made up of a pair of side walls, a front wall and a rear wall erected from the ceiling portion,
The side wall is formed with a guide groove that includes a first guide groove and a second guide groove that is continuously formed from the first guide groove via a continuous contact, and into which the support shaft is slidably fitted. ,
When the support shaft is located at a first position of the first guide groove that is spaced apart from the communication contact point between the first guide groove and the second guide groove, the battery terminal cover and the battery direct attachment fuse unit And the rotation of the battery terminal cover is prevented, the battery terminal cover is held in a cover position covering the battery terminal structure,
The battery terminal cover and the battery direct-attached fuse when the battery terminal cover is moved along the shape of the first guide groove while being guided by the support shaft and the support shaft is positioned at the communication contact. The battery terminal structure can be opened by releasing the contact with the unit and allowing the battery terminal cover to rotate.
The second position of the second guide groove in which the support shaft is moved away from the connecting contact by moving the battery terminal cover along the shape of the second guide groove while guiding the rotated battery terminal cover with the support shaft. The battery terminal cover and the battery come into contact with each other to prevent the battery terminal cover from rotating, and the battery terminal cover is held in an open position to open the battery terminal structure. It was to so,
A battery terminal cover. The guide groove is formed in a substantially L shape in which the first guide groove and the second guide groove intersect at a right angle, and the battery terminal cover can be rotated about 90 ° about the support shaft. And
The battery terminal cover according to claim 1. The battery terminal cover is integrally formed of synthetic resin.
3. The battery terminal cover according to claim 1, wherein the battery terminal cover is a battery terminal cover.

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