JP3240566B2 - Contact terminal structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001] The present invention relates to a connection terminal structure suitable for use in connecting a battery case of a video camera to a video camera body or the like.

2. Description of the Related Art For example, in a video camera, as shown in FIG. 10, a battery case 103 is detachably mounted on a battery case mounting surface 102 on one side of a video camera body 101. I have.

The battery case mounting surface 102 on one side of the video camera body 101 is provided with positive and negative terminals 104 and 105, and these terminals 104 and 105 are separated from the battery case mounting surface by a spring force of a spring (not shown). Protruding length,
When the tip is pressed, it is retracted to the battery case mounting surface 102 side, and when the pressing force is released, the spring protrudes a predetermined length.

[0004] Also, a positive and negative terminal plates 107 and 108 are provided on a joint surface 106 of the battery case 103 overlapping the battery case mounting surface 102.

[0005] The battery case 103 is overlapped with a pair of guide protrusions 109 and 110 provided in parallel on the upper and lower portions of the battery case mounting surface 102 so as to be aligned with a positioning line 111. When the slide 103 is slid rightward in FIG. 10, the engagement protrusions 112, 113 provided at both ends of the pair of upper and lower guide protrusions 109, 110 are engaged with the engagement grooves 1 formed at both ends of the upper and lower surfaces of the battery case 103.
The battery case 103 is fitted to the battery case mounting surface 102 of the video camera body 101 by being fitted to the battery case 14,115.

[Problems to be Solved by the Invention] In the conventional battery case 103, as shown in FIG. 10, plus and minus terminal windows 116 and 117 are formed in the joint surface 106, These terminal windows 116,1
Facing the bottom of 17, the positive and negative terminal boards 107, 10
Since the contact terminal structure was configured by attaching 8, the video camera body 101
When removing and carrying in a bag or handbag or the like, a conductive member such as a metal necklace, broach or key holder stored in the bag or handbag etc. is attached to the plus and minus terminal plates 107 and 108. If touched, it will be in a so-called short-circuit state, generating heat, burning the bag or the contents in the handbag, touching the heat-generating part, causing burns, or causing a fire. Even if a fire did not occur, power was wasted, and when trying to take a picture, the battery ran out and the picture could not be taken.

An object of the present invention is to solve the above-mentioned conventional problems and to provide a contact terminal structure that does not easily short-circuit even when the battery case is carried in a bag or handbag. It was done.

Means for Solving the Problems [0008] The present invention provides a positive and negative terminal window provided in a battery case, and a positive and negative terminal plate provided facing the positive and negative terminal windows. A contact terminal structure comprising: a shutter that faces the at least one of the plus and minus terminal windows, is slidably disposed between the battery case and the terminal plate, and that opens and closes the terminal window. The shutter, in a state where the terminal window is closed, introduces a terminal provided on the main device side to which the battery case is attached, and provides a slit through which the introduced terminal can abut on a slit side edge, and a terminal facing the shutter. In the window, before the shutter moves in the opening direction, an insulating plate is arranged at a position where the slit of the shutter faces. When mounting the battery case on the main device, the shutter by the introduced terminal in the slit continuously on the side of the direction in which the slide and placing the terminal plate on the insulating plate flush.

[Operation] In order to attach a battery case provided with the contact terminal structure of the present invention to a main body side of a video camera or the like, the battery case is superimposed on a case mounting surface of the main body side, and a terminal provided on the case mounting surface is provided. The tip of penetrates through the slit,
It contacts the insulating plate. When the battery case is slid in one direction in a state where the battery case is overlaid on the case mounting surface of the main body side in order to lock the battery case to a main body side of a video camera or the like, the terminal is brought into a side edge portion of the slit. , The shutter slides in the direction to open the terminal window, and the tip of the terminal moves from the position of the insulating plate to the position of the terminal plate continuous thereto, thereby making contact.

Embodiment Next, a battery case of a video camera provided with a contact terminal structure according to the present invention will be described as an example. 1 to 7 show a first embodiment. In the drawing, reference numeral 1 denotes a battery case, and 2 denotes a contact terminal structure of the present invention provided on a joint surface 3 overlapping the video camera body of the battery case 1.
Has positive and negative terminal windows 4,5 provided in the battery case 1, and positive and negative terminal plates 6,7 provided facing these positive and negative terminal windows 4,5.

The positive and negative terminal windows 4 and 5 are formed on a plate 8 for forming a terminal window, and the plate 8 is attached to the notch 9 of the joint surface 3 in a fitted state. At least one of the positive and negative terminal plates 6, 7 (a positive terminal plate in the embodiment) 6 is connected to one end of the positive terminal window 4 (when a shutter described later moves in the opening direction). The insulating plate 10 is disposed facing the other end of the positive terminal window 4, and the insulating plate 10 and the positive terminal plate are disposed. The surface of No. 6 is flush.

The positive terminal plate 6 and the insulating plate 10 and the plate 8
In the meantime, one end of the positive terminal window 4 is always closed, and when it is moved in one direction (the right side in FIG. 3), the one end of the positive terminal window 4 is opened to open the positive terminal. A shutter 11 for exposing the plate 6 is provided.

The shutter 11 is made of a non-conductive plastic material in a rectangular shape as shown in FIG. 3, and has one end having a width slightly larger than the diameter of the positive terminal of the video camera body. A pair of rails provided with a slit (terminal introduction portion) 12 and provided on the back surface of the plate 8
13 and 14 are attached so as to be slidable in a linear direction connecting the plus and minus terminal plates 6 and 7.

The shutter 11 is positioned near one terminal of the terminal window by a spring force of a spring 15 and is pressed against a stopper 16 provided on the back surface of the plate 8. In this state, the slit 12 is insulated. It is located on a plate 10. The negative terminal plate 7 is provided to face the entire area of the negative terminal window 5.

The contact terminal structure according to the first embodiment has the structure as described above, and includes a pair of guides provided in parallel above and below the battery case mounting surface 102 of the video camera body 101 shown in FIG. When the battery case 1 is overlapped on the battery case mounting surface 102 so as to be sandwiched between the ridges 109 and 110, the positive terminal 104 provided on the battery case mounting surface 102 is shown in FIGS. As shown, it is fitted into the slit 12 provided in the shutter 11, the tip of which is in contact with the insulating plate 10, and the negative terminal 105
Is in contact with the negative terminal plate 7.

When the battery case 1 is slid rightward in FIG. 1 from this state, the positive terminal 104
Is moved toward one end of the positive terminal window 4 relative to the battery case 1 while sliding, and the tip of the positive terminal 104 contacts the positive terminal plate 6.

Since the negative terminal 105 is in contact with the negative terminal plate 7, the positive and negative terminal plates 6, 7 contact the positive and negative terminals 104, 105 of the video camera body 101, and the battery case 1 , The current is supplied to the video camera body 101.

Then, as described above, the positive and negative terminal plates 6 and 7
At the same time when the plus and minus terminals 104 and 105 come into contact with each other, engagement protrusions 112 and 113 provided at both ends of the pair of upper and lower guide projections 109 and 110 are engaged with engagement grooves 22 provided at the upper and lower surfaces of the battery case 1. , 23 and a positioning projection 118 provided on the battery case mounting surface 102 of the video camera body 101 is fitted into a positioning recess 21 provided outside the terminal window 6, and the battery case 1 is attached to the video camera body. It is in a state of being mounted on the battery case mounting surface 102 of 101.

When the width of the slit 12 is small, the battery case 1 and the battery case
02, the battery case mounting surface 10
The position of the plus terminal 104 provided in 2 and the position of the slit 12 do not exactly match, so that the case where the plus terminal 104 does not fit in the slit 12 may occur. In such a case, the battery case 1 and the battery case mounting surface 102
When the battery case 1 is slid along the battery case mounting surface 102 so that the positive terminal 104 and the slit 12 are instantaneously aligned, the positive terminal 104 fits into the slit 12. It is good to keep it.

FIGS. 8 and 9 show a second embodiment of the present invention. In the second embodiment, as in the first embodiment, the slit 12 of the shutter 11 is
Is cut out, and only the upper part of the positive terminal plate 6 is blocked by the shutter 11. The other components are the same as those in the first embodiment, so the same components are denoted by the same reference numerals, and redundant description will be omitted.

Since the contact terminal structure of the second embodiment has the configuration as described above, when the battery case 1 is overlaid on the battery case mounting surface 102 of the video camera body 101, the positive terminal 104 comes into contact with the insulating plate 10. Then, the negative terminal 105 contacts the negative terminal plate 7.

Then, when the battery case 1 is slid rightward in FIG. 1 from this state, the shutter 11 is opened at the plus terminal 104 as in the first embodiment, and the plus terminal 104 is connected to the plus terminal plate. 6 will be contacted. In addition,
In the embodiment shown in the drawings, a positive terminal plate is disposed at one end of the positive terminal window, an insulating plate is disposed at the other end, and the shutter is slid between these terminal plates and the insulating plate. Even if a similar structure is applied to the terminal window side of
Alternatively, a similar structure may be applied to both the plus and minus terminal windows. Opening the shutter is not limited to sliding.

[Effects of the Invention] The contact terminal structure of the present invention has the configuration as described above, and since at least one of the plus and minus terminal plates is blocked by the shutter, a bag, a handbag, etc. Even when carrying the product in a bag or handbag, chains, necklaces, key holders, or other conductors housed in the bag or handbag come into contact with both the positive and negative terminal plates, short-circuit, and generate heat, causing This has the effect of eliminating the danger of burning or burning of the object, touching a heated conductor or the like, causing a burn or causing a fire, and preventing wasteful power consumption due to a short circuit or the like. . Further, since the shutter is opened and closed by the terminal on the main body side, it is not necessary to provide a special shutter opening and closing member on the main body side, so that the structure on the main body side can be simplified accordingly.

[Brief description of the drawings]

FIG. 1 is a perspective view of a battery case provided with a contact terminal structure of the present invention, FIG. 2 is a perspective view of a main part, FIG. 3 is an exploded perspective view of a main part, and FIG. FIG. 5, FIG. 5 is a sectional view of the same, FIG. 6 is a plan view of a state in which a shutter is opened,
7 is a sectional view of the same, FIG. 8 is a sectional view of the second embodiment before the shutter is opened, FIG. 9 is a sectional view of the same shutter opened, and FIG. 10 is a perspective view of a conventional example. It is. 1 ... Battery case, 2 ... Contact terminal structure, 4,5 ...
... plus and minus terminal windows, 6, 7 ... plus and minus terminal plates, 11 ... shutter, 12 ... slit (terminal introduction part).

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01M 2/10

Claims (1)

(57) [Claims] 1. A positive and negative terminal window provided in a battery case, a positive and negative terminal plate provided facing the positive and negative terminal windows, and at least one of the positive and negative terminal windows. A shutter slidably disposed between the battery case and the terminal plate, facing the other, and a shutter for opening and closing the terminal window, wherein the shutter attaches the battery case in a state where the terminal window is closed. A terminal provided on the main device side is introduced, and a slit is provided so that the introduced terminal can abut on a slit side edge. In a terminal window facing the shutter, a state before the shutter moves in the opening direction. In the above, an insulating plate is arranged at a position facing the slit of the shutter, and when attaching the battery case to the main device, the insulating plate is disposed. A contact terminal structure, wherein the terminal plate is disposed so as to be flush with the insulating plate and to be continuous with a side in a direction in which the shutter is slid by a terminal introduced into the terminal.