JP2012038623A - Cap assembling structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the detachment of two caps capable of rotating relatively to each other by using a simple structure, and also to improve the assembling workability of the two caps.SOLUTION: A cap assembling structure 1 connects two caps 2 and 3 so that they can rotate relatively to each other. The cap assembling structure 1 comprises: a rotary shaft 25 arranged on the cap 2, which is one of the two caps; a shaft support part 42 arranged on the cap 3, which is the other one of the two caps, for rotatably supporting the rotary shaft 25; and a detachment prevention rib 23 arranged on the cap 2, which is one of the two caps, for preventing the detachment of the rotary shaft 25 from the shaft support part 42 by engaging with the cap 3, which is the other one of the two caps, while the two caps 2 and 3 are in a rotating state.

Description

  The present invention relates to an assembling structure for assembling two caps, for example, a cap assembling structure that can be applied to assembling a terminal cap or the like that covers a vehicle battery.

  As an assembly structure for assembling the two caps, there are a terminal cap provided in the vehicle battery and a bracket to which the terminal cap is attached.

  The terminal cap is formed of an insulating resin, and is used so as to cover the battery post of the vehicle battery and the battery terminal connected thereto to prevent a short circuit with the vehicle body. This terminal cap is attached to a bracket made of an insulating resin that covers an electric wire crimping portion, an auxiliary terminal, and the like of the battery terminal so as to be freely opened and closed. In such an assembly structure of two caps, it is necessary to increase the locking force when the terminal cap as one cap is closed to the bracket as the other cap to prevent the terminal cap from falling off the bracket. .

  13 and 14 show a terminal cap mounting structure described in Patent Document 1. FIG.

  The terminal cap 100 is formed in a box shape by an upper plate portion 101 and a peripheral wall portion 102 integrally formed around the upper plate portion 101 so as to cover the battery post. A pair of support pieces 105 protrudes from the peripheral wall portion 102 toward the bracket 120, and the rotation shaft 110 is stretched over the pair of support pieces 105. The rotation shaft 110 is a shaft body for attaching the terminal cap 100 to the bracket 120 so as to be opened and closed.

  On the other hand, the bracket 120 is formed in a box shape covering the electric wire crimping portion and the like, and an arc-shaped fitting shaft support portion 125 that detachably holds the rotating shaft 110 is provided on the upper surface thereof. The terminal cap 100 can be opened and closed by rotating the terminal cap 100 in a state where the rotating shaft 110 is engaged with the fitting shaft supporting portion 125.

  In the conventional terminal cap 100, an elastic piece 130 projects from the inner wall surface, and an engagement hole 131 is formed in the elastic piece 130. On the other hand, an elastic piece 140 is provided on the bracket 120 so as to face the elastic piece 130. The elastic piece 140 is engaged with the engagement hole 131 of the elastic piece 130 on the terminal cap 100 side. A mating protrusion 141 is formed.

  As shown in FIG. 14, in a state where the terminal cap 100 is attached to the bracket 120, the engagement protrusion 141 is engaged with the engagement hole 131, and the rotation shaft 110 is engaged with the fitting shaft support portion 125 by this engagement. The elastic piece 130 is urged in the fitting direction. Thereby, it is possible to prevent the rotation shaft 110 from being detached from the fitting shaft support portion 125, and it is possible to prevent the terminal cap 100 from dropping from the bracket 120.

JP-A-11-250951

  However, in the conventional assembly structure, in order to prevent the terminal cap 100 from falling off, the elastic piece 130 having the engagement hole 131 is provided on the terminal cap 100 and the elastic piece 140 having the engagement protrusion 141 is provided on the bracket 120. There is a need. For this reason, the structure for preventing dropout is complicated.

  Further, press fitting is required when fitting the rotating shaft 110 to the fitting shaft support portion 125, which has a problem of poor assembling workability.

  Further, when the terminal cap 100 is opened, the elastic piece 140 provided on the bracket 120 becomes an obstacle to the opening operation, so that it is difficult to open and close the terminal cap 100.

  Therefore, the present invention not only enables the cap of the two caps such as the terminal cap and the bracket to be removed with a simple structure, but also improves the workability of assembling the two caps, and also makes it easy to open and close the cap. It is an object of the present invention to provide a cap assembling structure that can be performed.

  The invention according to claim 1 is a cap assembly structure that couples two caps so as to be relatively rotatable, and includes a rotation shaft provided on one cap and the rotation shaft provided on the other cap. A shaft support portion that is rotatably supported, and one of the caps is engaged with the other cap while the two caps are rotated to prevent the rotation shaft from coming off from the shaft support portion. It is provided with a detachment prevention rib.

  The invention according to claim 2 is the cap assembling structure according to claim 1, wherein the rotating shaft is slid and assembled from one end side of the bearing portion of the shaft support portion, and the detachment prevention rib is Provided on one end side of the rotation shaft and inserted into a rib insertion groove provided on the other cap in a state of relative rotation of the one cap with respect to the other cap, the removal of the rotation shaft from the bearing portion is prevented. It is characterized by blocking.

  The invention according to claim 3 is the cap assembly structure according to claim 1 or 2, wherein the one cap is a terminal cap that covers an upper portion of the battery post, and the other cap connects a fuse to the battery post. The terminal cap extends from the both sides of the upper plate portion in the same direction. The upper plate portion has a post head fitting portion that fits the head portion of the battery post on the inside. Formed on both side wall portions and a support shaft portion provided on one of the side wall portions in a direction orthogonal to the both side walls, and the support shaft portion is disposed in parallel with the side wall portion. The bus is formed by a shaft and a lateral slide prevention rib that supports one end of the opening / closing shaft and projects from the side wall portion, and the bracket is disposed along the upper surface of the battery. An upper plate portion that covers the upper plate portion, both side wall portions that extend in the same direction from both side portions of the upper plate portion, and a shaft support portion that is provided on one of the side wall portions in a direction orthogonal to the both side wall portions. The shaft support portion extends from the upper plate portion, and the tip end side is formed in an arc shape toward the inside, and the opening / closing shaft is slid from one side to support the opening / closing shaft rotatably. An opening / closing bearing portion and the opening / closing bearing portion which is provided on one side of the opening / closing bearing portion and in which the lateral slide prevention rib is inserted in a relative rotation state of the terminal cap with respect to the bracket to prevent relative movement of the terminal cap with respect to the bracket And a rib insertion groove for preventing the opening / closing shaft from coming off from the rib.

  According to the first aspect of the present invention, the two caps are assembled so as to be relatively rotatable by supporting the rotation shaft provided on one cap on the shaft support portion of the other cap. For this reason, the workability of assembling the two caps is improved. According to the first aspect of the present invention, the disengagement prevention rib provided on one of the caps engages with the other cap while the two caps are pivoted to prevent the pivot shaft from coming off. Prevent cap from falling off. In this way, the disengagement prevention rib engages with the other cap and engages the two caps, so that the two caps can be prevented from coming off with a simple structure.

  Further, in the invention according to claim 1, since the member that obstructs the relative rotation of the two caps is not provided, the cap can be easily opened and closed.

  According to the second aspect of the invention, since the rotation shaft is supported by the shaft support portion by being slid and inserted from one end side of the bearing portion of the shaft support portion, the rotation shaft is easily assembled to the shaft support portion. It is possible to improve the workability of assembling the two caps.

  According to the second aspect of the present invention, the disengagement prevention rib is inserted into the rib insertion groove provided in the other cap, so that the rotation shaft is prevented from coming off from the bearing portion and the two caps are removed. This is a structure for preventing the drop-off, and it is possible to prevent the drop-off by simply inserting the anti-detachment rib into the rib insertion groove. Accordingly, the two caps can be prevented from falling off with a simple structure.

  According to the third aspect of the present invention, the terminal cap that is one of the caps is formed with the opening and closing shaft and the lateral slide prevention rib that supports the opening and closing shaft, and the opening and closing shaft is slid into the bracket that is the other cap. And a rib insertion groove into which the lateral slide prevention rib is inserted, and the opening and closing shaft is rotatably supported by the opening and closing bearing portion by slidingly inserting the opening and closing shaft into the opening and closing bearing portion. The terminal cap is assembled to the bracket so as to be relatively rotatable. Thus, in the structure assembled by slidingly inserting the opening / closing shaft into the opening / closing bearing portion, the terminal cap can be easily assembled to the bracket.

  Also, the side slide prevention rib of the terminal cap is inserted into the rib insertion groove of the bracket, thereby preventing the relative movement of the terminal cap with respect to the bracket, thereby preventing the opening / closing shaft from coming off from the opening / closing bearing portion. . In such a structure, the terminal cap can be prevented from falling off simply by inserting the lateral slide prevention rib into the rib insertion groove. For this reason, it is possible to prevent the terminal cap from falling off with a simple structure.

  Further, since the terminal cap and the bracket do not have a member that hinders relative rotation of the terminal cap, the terminal cap can be easily opened and closed.

It is a perspective view which shows the cap assembly | attachment structure of one Embodiment of this invention. It is a perspective view of the terminal cap as one cap. It is a top view of a terminal cap. It is a side view of a terminal cap. It is a front view of a terminal cap. It is a perspective view of the bracket as the other cap. It is a top view of a bracket. It is a side view of a bracket. It is a front view of a bracket. It is a top view which shows the assembly | attachment operation | movement to the bracket of a terminal cap. It is a top view of the state which opened the terminal cap. It is the BB sectional view taken on the line of FIG. 11 which shows the state which opened the terminal cap. It is a perspective view which shows the conventional cap assembly structure. It is a fragmentary sectional view which shows the conventional cap assembly structure.

  Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments.

  FIGS. 1-12 shows the cap assembly structure 1 of one Embodiment of this invention, FIG. 1 is a perspective view of the state which assembled | attached the cap. 2 to 5 show the terminal cap 2 as one cap, and FIGS. 6 to 9 show the bracket 3 as the other cap. 10 is a plan view showing the assembly operation of the terminal cap 2, FIG. 11 is a plan view of the terminal cap 2 in an opened state, and FIG. 12 is a sectional view taken along the line BB in FIG. is there.

  The embodiment shown in FIGS. 1 to 12 is an embodiment in which two caps are applied to a terminal cap 2 and a bracket 3 provided in a vehicle battery, the terminal cap 2 being one cap and the bracket 3 being the other cap. It has become.

  As shown in FIG. 1, the cap assembly structure 1 is constructed such that the terminal cap 2 is assembled to the bracket 3 with the terminal cap 2 as one cap positioned on the upper side and the bracket 3 serving as the other cap positioned on the lower side. It has been.

  The terminal cap 2 is a cap that covers the upper part of a battery post (not shown) of the in-vehicle battery. 2 is a perspective view of the terminal cap 2, FIG. 3 is a plan view, FIG. 4 is a side view, and FIG. 5 is a front view.

  The terminal cap 2 is entirely formed of an insulating resin. As shown in FIGS. 2 to 5, the terminal cap 2 includes a flat plate-like upper plate portion 11, side wall portions 12 and 13 extending downward from left and right side portions of the upper plate portion 11, and the upper plate portion 11. The front wall portion (one side wall portion) 14 extending downward from the side portion on the bracket 3 side in FIG. 3 and the rear wall portion extending downward from the side portion on the side away from the bracket 3 in the upper plate portion 11. 15 is formed in a box shape. In this case, the front wall portion 14 and the rear wall portion 15 are provided so as to be orthogonal to the left and right side wall portions 12 and 13.

  As shown in FIG. 5, a post head fitting portion 16 that fits with the head of the battery post is formed inside the lower surface of the upper plate portion 11. A battery terminal and a battery terminal (not shown) connected to the battery post are covered with a box-shaped terminal cap 2, thereby preventing a short circuit with the vehicle body.

  A support shaft portion 21 is provided on the front wall portion 14 of the terminal cap 2. The support shaft portion 21 includes a lateral slide prevention rib 23 projecting from the front wall portion 14 toward the bracket 3, and an opening / closing shaft 25 disposed in parallel with a distance from the lateral slide prevention rib 23 to the front wall portion 14. And is formed by. The opening / closing shaft 25 is in a state of being supported by the horizontal slide prevention rib 23 by one side end 25 a being integrally connected to the horizontal slide prevention rib 23.

  The lateral slide prevention rib 23 has a thin plate shape standing along a direction orthogonal to the front wall portion 14 (a direction parallel to the left and right side wall portions 12 and 13). Projecting from the front wall 14. The side slide prevention rib 23 engages with the bracket 3 when the terminal cap 2 is opened as will be described later, and functions to prevent the terminal cap 2 from falling off the bracket 3 by this engagement. The lateral slide preventing rib 23 serves as a disengagement preventing rib that prevents the opening / closing shaft 25 from coming off from the opening / closing bearing portion 42 of the bracket 3 to be described later.

  The opening / closing shaft 25 is rotatably supported by the opening / closing bearing portion 42 by being inserted into the opening / closing bearing portion 42 provided on the bracket 3. The opening / closing shaft 25 rotates the terminal cap 2 that is one of the caps. It is a dynamic axis. The opening / closing shaft 25 as a rotation shaft is inserted into the opening / closing bearing portion 42 from the other end portion 25 b on the opposite side to the lateral slide preventing rib 23.

  The bracket 3 is a cap that covers the bus bar that connects the fuse to the battery post, and is entirely formed of an insulating resin. 6 is a perspective view of the bracket 3, FIG. 7 is a plan view, FIG. 8 is a side view, and FIG. 9 is a front view.

  As shown in FIGS. 6 to 9, the bracket 3 includes an upper plate portion 31, side wall portions 32 and 33 extending downward from left and right side portions of the upper plate portion 31, and left and right side wall portions 32 and 33. A front wall portion 34 and a rear wall portion (one side wall portion) 35 provided so as to be orthogonal to each other are formed in a gate shape. In this case, the rear wall portion 35 faces the support shaft portion 21 of the terminal cap 2 by being positioned on the terminal cap 2 side.

  The upper plate portion 31 of the bracket 3 covers the bus bar 5 (see FIG. 11). The bus bar 5 is disposed along the upper surface of the battery post, and is bent downward inside the bracket 3 as shown in FIG. A fuse (not shown) is connected to the bent end of the bus bar 5. In FIG. 1, reference numeral 6 denotes a fuse box having a fuse to which a bus bar 5 is connected. The fuse box 6 is protected by the bracket 3 by being connected to the lower part of the bracket 3.

  As shown in FIGS. 6 to 9, a shaft support portion 41 is provided on the rear wall portion 35 of the bracket 3. The shaft support portion 41 supports the opening / closing shaft 25 as a rotation shaft so as to be rotatable. The shaft support portion 41 is formed by an opening / closing bearing portion 42 that supports the opening / closing shaft 25 and a rib insertion groove 43 into which the lateral slide prevention rib 23 is inserted.

  The open / close bearing portion 42 extends from the upper plate portion 31 in the direction of the terminal cap 2 and is formed by curving the extended distal end side in an arc shape toward the inner side (lower side). An opening / closing shaft 25 as a rotation shaft is slid into the opening / closing bearing portion 42. In this embodiment, the opening / closing shaft 25 is divided into three parts at intervals along the insertion direction of the opening / closing shaft 25. (See FIG. 6 and FIG. 7).

  The rib insertion groove 43 is formed in the upper plate portion 31 so as to correspond to the opening / closing bearing portion 42. As shown in FIGS. 6 and 7, the rib insertion groove 43 is formed on the insertion side where the opening / closing shaft 25 is slid into the opening / closing bearing portion 42. The groove width of the rib insertion groove 43 is set to a dimension in which the lateral slide prevention rib 23 can be inserted, whereby the lateral slide prevention rib 23 is inserted and engaged.

  Next, the operation of assembling the terminal cap 2 to the bracket 3 will be described with reference to FIG.

  As shown in FIG. 10, the terminal cap 2 is arranged so that the opening / closing shaft 25 is inserted into the opening / closing bearing portion 42 of the bracket 3 from the rib insertion groove 43 side. In this state, the entire terminal cap 2 is moved to the bracket 3 side, and the open / close shaft 25 is slid into the open / close bearing portion 42 from the other end 25b. The slide insertion of the opening / closing shaft 25 is stopped when the lateral slide preventing rib 23 comes into contact with the insertion side end surface 42a of the opening / closing bearing portion 42. When the opening / closing shaft 25 is slid into the opening / closing bearing portion 42, the opening / closing shaft 25 engages with the opening / closing bearing portion 42, and the terminal cap 2 is rotatably assembled to the bracket 3 by this engagement. The lateral slide preventing ribs 23 are positioned corresponding to the rib insertion grooves 43 of the bracket 3 by inserting the opening / closing shaft 25 into the opening / closing bearing portion 42.

  In such an embodiment, the terminal cap 2 can be assembled to the bracket 3 simply by slidingly inserting the opening / closing shaft 25 of the terminal cap 2 into the opening / closing bearing portion 42. For this reason, the opening / closing shaft 25 can be easily assembled to the opening / closing bearing portion 42, and the workability of assembling the terminal cap 2 to the bracket 3 is improved.

  11 and 12 show a state in which the terminal cap 2 assembled to the bracket 3 is rotated in the opening direction by the above-described operation. The terminal cap 2 is opened by rotating relative to the bracket 3 about the opening / closing shaft 25. By this rotation, the lateral slide prevention rib 23 of the terminal cap 2 is inserted into the rib insertion groove 43 of the bracket 3. By inserting the lateral slide prevention rib 23 into the rib insertion groove 43, the relative linear movement of the terminal cap 2 with respect to the bracket 3 is prevented. By preventing this relative linear movement, the opening / closing shaft 25 of the terminal cap 2 is prevented from coming out of the opening / closing bearing portion 42 of the bracket 3. Therefore, the terminal cap 2 is prevented from falling off the bracket 3.

  In such a structure, the terminal cap 2 can be prevented from falling off from the bracket 3 simply by inserting the lateral slide preventing rib 23 into the rib insertion groove 43, and thus the terminal cap 2 can be prevented from falling off with a simple structure. can do.

  Moreover, since the terminal cap 2 and the bracket 3 in this embodiment do not have a member that obstructs relative rotation of the terminal cap 2, the terminal cap 2 can be easily opened and closed.

  In the above embodiment, the terminal cap 2 that covers the battery post and the bracket 3 that covers the bus bar 5 have been described as two caps. However, the present invention is not limited to this, and other devices for storing stationery, electronic devices, etc. The same applies to the two caps.

1 Cap assembly structure 2 Terminal cap (one cap)
3 Bracket (the other cap)
5 Busbar 11 Upper plate part 12, 13 Side wall part 14 Front wall part (one side wall part)
16 Post head fitting part 21 Support shaft part 23 Side slide prevention rib (detachment prevention rib)
25 Opening / closing shaft 31 Upper plate portion 32, 33 Side plate portion 35 Rear wall portion (one side wall portion)
41 Shaft support portion 42 Opening / closing bearing portion 43 Rib insertion groove

Claims (3)

A cap assembly structure for connecting two caps so as to be relatively rotatable,
A rotating shaft provided on one cap;
A shaft support provided on the other cap and rotatably supporting the rotation shaft;
A disengagement prevention rib that is provided on any one of the caps and engages with the other cap when the two caps are pivoted to prevent the pivot shaft from being detached from the shaft support portion; Cap assembly structure. The cap assembly structure according to claim 1,
The pivot shaft is assembled by being slid and inserted from one end side of the bearing portion of the shaft support portion,
The disengagement prevention rib is provided on one end side of the rotation shaft, and is inserted into a rib insertion groove provided on the other cap in a state of relative rotation of the one cap with respect to the other cap, from the bearing portion. A cap assembling structure that prevents the pivot shaft from coming off. The cap assembly structure according to claim 1 or 2,
The one cap is a terminal cap covering the top of the battery post;
The other cap is a bracket that covers a bus bar for connecting a fuse to the battery post,
The terminal cap includes an upper plate portion having a post head fitting portion to be fitted to a head portion of the battery post on the inside, both side wall portions extending in the same direction from both side portions of the upper plate portion, and these The support shaft portion provided on one of the side wall portions in the direction orthogonal to the both side walls of the
The support shaft portion is formed by an opening / closing shaft disposed in parallel with the side wall portion, and a lateral slide prevention rib that protrudes from the side wall portion while supporting one side end of the opening / closing shaft,
The bracket includes an upper plate portion that covers the bus bar disposed along the upper surface of the battery, both side wall portions that extend in the same direction from both side portions of the upper plate portion, and both the side wall portions. It is formed with a shaft support portion provided on one of the side wall portions in the orthogonal direction,
The shaft support portion is extended from the upper plate portion, the tip end side is formed in an arc shape inward, and the open / close shaft is slid from one side to support the open / close shaft rotatably. The opening / closing shaft from the opening / closing bearing portion is provided on one side of the opening / closing bearing portion so that the lateral slide prevention rib is inserted in a state of relative rotation of the terminal cap with respect to the bracket to prevent relative movement of the terminal cap with respect to the bracket. A cap assembling structure, characterized in that it is formed with a rib insertion groove for preventing the slippage of the cap.

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