JP4062362B2 - Concave mounting mechanism and convex mounting mechanism - Google Patents

Description

The present invention relates to a concave-side mechanism and a convex-side mechanism for attaching and detaching a battery pack and an adapter to / from a video camera such as a VTR integrated video camera.

  Conventionally, a battery mounting structure in a VTR-integrated video camera is generally a structure in which a battery case is fixed to the rear surface of the video camera body with screws or the like, and a battery pack is detachably stored in the battery case. It was. In some cases, three flanged pins are attached to the front of the battery pack (anton-bauer large battery pack), and three dharma holes are formed on the rear surface of the video camera body. In some cases, the battery pack was detachably attached directly to the rear surface of the video camera body without being inserted into the battery case by inserting a pin into the dharma hole and sliding it horizontally.

  However, the structure using the battery case increases the number of parts and the number of assembly steps, and the cost is extremely high. In addition, the structure in which the battery pack is mounted by sliding it horizontally on the back of the video camera body using three flanged pins and three dharma holes is easy to play due to vibrations, etc. A mechanism is required and the cost is extremely high. In addition, when attaching the battery pack, the three flanged pins must be accurately aligned with the three dharma holes, and there is a problem that the battery pack attaching operation is troublesome.

The concave side mounting mechanism of the present invention is a concave side mounting mechanism that is mechanically and electrically coupled to a convex side mounting mechanism that is optimally applied to a video camera in which a battery pack, an adapter, and the like are detachably mounted. A male side member electrically connected to a female side member which is an electrical coupling portion provided below the convex side mounting mechanism and embedded in a coupling surface of the convex side mounting mechanism; and the female has a tapered guide for centering the side member, and a concave side member that mates with the convex side member embedded with respect to the coupling surface, the convex side attachment mechanism and the said concave side attachment mechanism Are coupled to the convex member, the concave member on the coupled surface side is a recess provided in the coupling surface, and has a width and depth corresponding to the concave member. Inserted into the recesses provided on the left and right and bottom of the convex side member, The mating surface is a concave side attachment mechanism guide projection is provided at a position corresponding to the guide means provided on the coupling surface.
The convex side mounting mechanism of the present invention is a convex side mounting mechanism that is mechanically and electrically coupled to a concave side mounting mechanism that is optimal for application to a battery pack, an adapter, or the like that is detachably attached to a video camera. a side attachment mechanism mechanically and convex side attachment mechanism for electrically coupling, provided embedded on the binding surface of the convex side attachment mechanism, male provided in the lower part of the concave side attachment mechanism a female member is a member electrically you bind electrical coupling portion, et provided embedded with respect to the coupling surface is concave with te supermarkets like guide for centering the female member and a convex side member to the side members and the fitting, when the convex side attachment mechanism and the said concave side attachment mechanism is attached, concave side member of the binding surface for mating with the convex side member, the a recess provided in the coupling surface, corresponding to the recessed side member Are inserted into recesses provided at the left and right and bottom of the convex side member at a depth, and the coupling surface is provided with guide means at a position corresponding to the guide projection provided on the coupled surface. Is a convex-side mounting mechanism.

The concave-side mounting mechanism and the convex-side mounting mechanism of the present invention are provided on the coupled surface of the concave-side mounting mechanism when a convex-side member such as a battery pack or an adapter is detachably coupled to the concave-side mechanism such as a video camera. The convex side member provided on the coupling surface of the convex side mounting mechanism is centered by the tapered guide of the concave side member provided, and the guide projection and guide means of the concave side mounting mechanism and the convex side mounting mechanism are provided. The male side member of the convex side mounting mechanism can be smoothly inserted into the female side member of the concave side mounting mechanism by the guide function of the concave side mounting mechanism, and the concave side member of the coupled surface of the concave side mounting mechanism is the convex side mounting mechanism. The insertion surface of the convex side member is inserted into the recesses provided on the right and left sides and the lower side of the convex side member, so that the coupled surface of the concave side mounting mechanism and the coupling surface of the convex side mounting mechanism are stably adhered to each other. Are combined.

  The battery pack is moved from the upper side to the lower side along the rear surface of the video camera body in order to prevent adverse effects due to vibration of the mechanical connection of the battery pack to the video camera body and electrical connection. Using the pack's own weight, the battery pack can be mechanically and detachably connected to the video camera body using a concavo-convex fitting part with a locking mechanism and a connector, and at the same time, it can be electrically connected and detached. did.

  The battery pack attachment structure to the camcorder body is sturdy, and the battery pack can be stably fixed to the camcorder body without any rattling, and there is no need for the dovetail when attaching the battery pack to the camcorder body. The object that the positioning can be performed roughly and the battery pack can be easily mounted is realized by configuring the concave and convex fitting portion with a groove and a groove.

  When removing the battery pack from the camcorder body, you can pinch the battery pack at the same time as releasing the lock by pressing the unlocking knob with your thumb etc., and you can easily remove the battery pack with one touch operation For this purpose, with the battery pack coupled to the rear surface of the video camera body, the unlocking knob of the locking mechanism is placed in a recess formed at the corner between the front surface and one side surface of the battery pack. Realized by placing.

  The purpose of making the battery pack attached to the video camera main body highly stable and strong is realized by arranging the concave and convex fitting portions at the upper and lower, left and right central portions of the battery pack.

  An embodiment of a VTR integrated video camera to which the present invention is applied will be described below with reference to the drawings.

[Description of the entire video camera]
First, an entire VTR-integrated video camera (hereinafter simply referred to as a video camera) will be described with reference to FIGS.

The video camera 1 includes a video camera main body 2, and an imaging device and a cassette type VTR (both not shown) are built in the front side and the rear side of the video camera main body 2.
A lens 3 such as a zoom lens is replaceably attached by a lens mount 4 on the optical axis of the image pickup apparatus on the front surface 2a which is a vertical side surface on the front side of the video camera body 2.
A pair of front and rear leg portions 5 a of a handle 5 formed in a substantially downward U-shape, which will be described in detail later, are screwed with a plurality of screws 6 on the upper surface 2 b of the video camera body 2.

A shoulder pad 7 bent in an approximately arch shape is attached to the lower surface 2c of the video camera body 2 by screwing or the like.
An attachment mechanism 8 for selectively attaching a plurality of camera accessory parts to be described later is attached to the rear surface 2d as a coupled surface, which is a vertical side surface on the rear side of the video camera body 2. A plurality of connectors 9 are provided on the lower surface of the rear surface 2d.

[Description of battery pack mounting mechanism]
Next, the attachment mechanism 8 for attaching the battery pack to the rear surface 2d of the video camera body 2 will be described with reference to FIGS.

First, when it is a camera accessory, the battery pack 11 constitutes a flat, rectangular parallelepiped small battery pack composed of a lithium battery or the like.
The mounting mechanism 8 includes a concave side mounting mechanism with a lock mechanism 12 for mechanically detachably connecting the battery pack 11 to the video camera body 2 and a concave / convex fitting that is a mechanical coupling portion as the convex side mounting mechanism. The joint 13 is provided with a male-side member for electrically detachably connecting the battery pack to the video camera main body 2 and a power-supply connector 14 as an electrical connection portion as a female-side member .

The concave / convex fitting portion 13 includes a concave side member 131 that is vertically screwed by a plurality of screws 130 at substantially the center of the upper and lower sides and the left and right sides of the rear surface 2d as the coupled surface of the video camera body 2, and a battery pack. 11 is formed of a convex member 132 formed by integral molding or the like on the upper and lower sides of the vertical front surface 11a serving as a coupling surface of 11 and substantially at the center of the left and right sides. In addition, this convex side member 132 is formed in the center part of the upper side in the recess 133 formed in the front surface 11a.

  A concave member 131 is formed in the groove 134 and a convex member 132 is formed in the groove 135. The right and left side surfaces of the dovetail groove 134 and the dovetail 135 are formed in tapered guides 136 and 137 that are tapered in the direction of arrow a, which is the lower side, and are symmetrical.

  The locking mechanism 12 is inserted into a pair of upper and lower horizontal guide grooves 120 and 121 formed in parallel with the rear surface 2d on the back side of the dovetail groove 134 of the concave side member 131, and the arrows b and b in the left-right direction are inserted. A lock slider 123 and a lock release lever 124 having a lock claw 22 configured to be slidable in the ′ direction, and compression that is a biasing means for slidably biasing the lock slider 123 and the lock release lever 124 in the direction of arrow b. A coil spring 125, an unlocking knob 126 fixed to the tip of the unlocking lever 124, and a locking recess 127 formed on one side surface of the convex member 132 and engaged with the lock pawl 121. It is configured.

  Then, the unlocking knob 126 slightly protrudes from the rear surface 2d of the video camera body 2 to the left as viewed in the direction of the arrow c in FIG. 14, and the front surface 11a of the battery pack 11 is associated with the unlocking knob 126. 14 is formed in the corner portion with the left side surface 11b when viewed from the direction of the arrow c in FIG.

  The connector 14 includes a male side member 142 having a plurality of vertical connector pins 141 screwed vertically by a plurality of screws 140 directly below the concave side member 131 on the rear surface 2d of the video camera body 2. And a female side member 144 having a plurality of vertical pin insertion holes 143 formed downward by integral molding or the like directly below the convex side member 132 on the front surface of the battery pack 11. The male member 142 is provided with a slide shutter 145.

A pair of left and right vertical guide protrusions 146 are formed on the lower end side of the rear surface 2d of the video camera body 2, and guide means cut into the front surface 11a of the battery pack 11 upward from the lower end thereof. A pair of left and right vertical guide grooves 147 are formed. Further, a pair of left and right vertical guide protrusions 148 are formed on the left and right side edges of the male side member 142 of the connector 14 in parallel with the rear surface 2d, and a pair of left and right vertical guide grooves 149 are formed on the left and right sides of the female side member 144. Is formed.

[Battery pack installation]
When the battery pack 11 is attached to the rear surface 2d of the video camera body 2, as shown by a one-dot chain line in FIG. 16, the cameraman uses the thumb of the right hand and the other four fingers (index finger, middle finger, ring finger, little finger). As shown by the one-dot chain line in FIG. 2, the lower end side of the recess 132 on the front surface 11a of the battery pack 11 is a concave side member. The front surface 11a is brought into contact with the rear surface 2a in parallel with the rear surface 2a in the direction of the arrow c as shown by a one-dot chain line in FIGS.

Next, the battery pack 11 is pulled down from the position indicated by the one-dot chain line to the position indicated by the solid line in FIGS.
Then, as shown by solid lines in FIGS. 2 and 3, the convex member 132 is automatically guided in the direction of the arrow a by the pair of left and right tapered guides 136 and 137 in the direction of arrow a. It is automatically fitted into the groove 134.

At this time, the centering of the connector 14 is automatically performed by the tapered guides 136 and 137, and the plurality of pin insertion holes 143 of the connector 14 are smoothly inserted into the plurality of connector pins 141 from the direction of the arrow a.
At this time, the pair of left and right guide grooves 147 and 149 are inserted into the pair of left and right guide protrusions 146 and 148 from the direction of arrow a.

  When the dovetail 135 is completely fitted in the dovetail groove 134, it has been pushed by the one tapered guide 137 of the dovetail 135 in the direction of the arrow b 'as shown by the one-dot chain line in FIG. The lock claw 122 is moved and restored in the direction of the arrow b by the compression coil spring 123 as shown by a solid line in FIG. 4, and the lock claw 122 is inserted into the lock recess 127 of the convex member 132 as shown in FIG. The battery pack 11 is automatically locked to the video camera body 2 by being engaged from the arrow b direction.

At this time, the recess 128 of the battery pack 11 is inserted into the unlocking knob 126.
Therefore, according to the attachment mechanism 8 of the battery pack 11, the battery pack 11 can be directly attached to the rear surface 2d of the video camera body 2 without being put in the battery case.

  In addition, when the battery pack 11 is attached, after the recess 133 of the battery pack 11 is roughly inserted into the outer periphery of the concave member 131 from the direction of the arrow c, a one-touch operation for moving the battery pack 11 in the direction of the arrow a is performed. The battery pack 11 can be mechanically easily coupled to the video camera body 2 by the concave / convex fitting portion 13 and the battery 11 can be easily electrically connected to the video camera body 2 by the connector 14. The power of the battery pack 11 can be supplied to the video camera body 2.

Therefore, the battery pack 11 can be attached to the rear surface 2d of the video camera main body 2 very easily and easily.
Since the centering of the connector 14 can be automatically performed by the pair of left and right tapered guides 136 and 137 of the concave and convex fitting portion 13, the plurality of pin insertion holes 143 of the connector 14 are formed into the plurality of connector pins 141. It can be inserted smoothly without any error.

  And since the fitting direction of the dovetail 135 with respect to the dovetail groove 134 of the concavo-convex fitting portion 13 and the insertion direction of the plurality of pin insertion holes 143 with respect to the plurality of connector pins 141 of the connector 14 are the direction of the arrow a which is downward from above. These fittings and insertions can be reliably performed using the weight of the battery pack 11.

  Accordingly, the battery pack 11 can be mechanically and securely coupled to the video camera body 2 and can be electrically connected with high reliability, thereby preventing adverse effects due to vibrations and the like.

  Further, by utilizing the weight of the battery pack 11, the pair of left and right tapered guides 137 of the dovetail 135 can be firmly attached to the pair of left and right tapered guides 136 of the dovetail groove 134 by the wedge action. Can be stably coupled to the video camera main body 2 so that there is no backlash.

[Removing battery pack]
When detaching the battery pack 11 from the rear surface 2d of the video camera body 2, first, as shown by a one-dot chain line in FIG. 3, the photographer is almost in the vertical direction of the left and right side surfaces 11b and 11c of the battery pack 11 of the battery pack 11. Hold the thumb on the unlocking knob 126 with the thumb of the right hand at the center and the other four fingers (index finger, middle finger, ring finger, little finger), and place the thumb on the unlocking knob 126. Press in the ′ direction.

  Then, as shown by a one-dot chain line in FIG. 4, the lock slider 123 is slid in the direction of the arrow b ′ against the compression coil spring 125 by the unlocking lever 124, and the lock claw 122 locks the convex member 132. The battery pack 11 is released from the recess 127 for use, and the battery pack 11 is unlocked.

  On the other hand, at this moment, the unlocking knob 126 pushed with the thumb enters the inside of the recess 128 of the battery pack 11 in the direction of the arrow b ', and the left side surface 11b of the battery pack 11 can be grabbed with the thumb. it can.

  That is, the recess 128 is formed in the corner portion between the front surface 11a and the left side surface 11b of the battery pack 11 so as to correspond to the unlocking knob 126, so that the unlocking knob 126 is moved in the direction of the arrow b 'with the thumb of the right hand. To release the lock of the battery pack 11, and at the same time, the right and left side surfaces 11 b and 11 c of the battery pack 11 can be easily and reliably grasped by the thumb of the right hand and the other four fingers.

  Therefore, after that, if the battery pack 11 is pulled up along the rear surface 2d in the upward arrow a 'direction, the arrow a from the dovetail groove 134 of the concave-convex fitting portion 13 as shown by the one-dot chain line in FIG. At the same time, the plurality of pin insertion holes 143 of the connector 14 are extracted from the plurality of connector pins 141 in the direction of the arrow a ′.

At this time, the pair of left and right guide protrusions 146 and the guide groove 147 can prevent the battery pack 11 from being twisted, and can smoothly lift the battery pack 11 in the direction of the arrow a ′.
Therefore, after that, the battery pack 11 can be easily removed in the direction of the arrow c in FIG. 14, and the removal operation of the battery pack 11 can be easily and easily performed in the same manner as the attachment operation described above.

[Explanation of camera accessories]
Next, a plurality of types of camera accessory parts that can be selectively attached to the rear surface 2d of the video camera body 2 will be described with reference to FIGS.

  That is, the camera accessory shown in FIG. 5 shows a small battery adapter 19 in which a small battery 18 is replaceably housed in a small battery case 17 fixed to the rear surface 16 b of the adapter 16. The battery case 17 is configured such that an upper lid 17a can be freely opened and closed, and a small battery 18 is configured to be attached to and detached from the battery case 17 from above.

  Next, the camera accessory shown in FIG. 6 shows a large battery adapter 23 in which a large battery 22 is replaceably housed in a large battery case 21 fixed to the rear surface 16b of the adapter 16. The battery case 21 is configured such that a horizontal lid 21a can be opened and closed, and a large battery 22 can be attached and detached from the side.

  Next, the camera accessory shown in FIG. 7 shows a large battery pack adapter 27 in which a large battery pack 26 manufactured by Anton Bauer is removably attached to a battery mounting base 25 fixed to the rear surface 16 b of the adapter 16. The large battery pack 26 is configured to be attached and detached by being inserted into the rear surface 25a of the battery mounting base 25 from the lateral direction by means of three flanged pins 26a and connectors 26b.

Next, the camera accessory shown in FIG. 8 shows a camera adapter 29 formed integrally with the rear surface 16 b of the adapter 16.
The small and large battery adapters 19 and 23, the large battery pack adapter 27, and the adapter 16 of the camera adapter 29 are all configured in the same structure. All the structures on the front surface 11a side of the battery pack 11 of the concave-convex fitting portion 13 and the connector 14 which is an electrical connection portion are formed.

  Accordingly, the small and large battery adapters 19 and 23, the large battery pack adapter 27 and the camera adapter 29 are selectively attached to the rear surface 2d of the video camera body 2 in exactly the same manner as the battery pack 11 attachment / detachment operation described above. Can be locked.

  However, in the camera adapter 29, a signal connection connector 30 a in addition to the power supply connection connector 14 is vertically attached to one side of the upper side of the front surface 16 a of the adapter 16. Therefore, the connector 30a is inserted into a concave portion 31 formed on one side of the upper side of the rear surface 2d of the video camera body 2, and the connector 30a is vertically attached to the lower end in the concave portion 31. It is configured to be inserted and connected to 30b from above (in the direction of arrow a).

  Further, the camera adapter 29 needs to be firmly fixed to the video camera body 2 because the camera adapter 29 is connected to the controller (not shown) by the cable 32. Therefore, the lock screw 33 attached to the upper center portion of the adapter 16 is screwed into the lock screw mounting hole 34 formed in the upper center portion of the rear end of the video camera body 2 from above (in the direction of arrow a) to be firmly locked. To do.

[Explanation of handle]
Next, the handle 5 will be described with reference to FIGS.

  The handle 5 includes a handle body 151 in which a pair of front and rear leg portions 5a and a handle portion 5b in which the upper end portions of the leg portions 5a are connected in a gently curved shape in the front-rear direction are integrally formed with each other. A plurality of types of finger-hanging portions 152, 153, 154 and the like that are replaceably attached to the lower portion of the handle portion 5b of the main body 151 are configured in a vertically divided structure.

  The handle body 151 is formed of aluminum die cast, synthetic resin, or the like, and a plurality of paired front and rear legs 5b of the handle body 151 are formed on the upper surface 2a of the video camera body 2 as shown in FIGS. The screw 6 is screwed.

  On the other hand, a plurality of types of finger hanging portions 152, 153, 154 are formed of aluminum die cast, synthetic resin, wood, etc. For example, the finger hanging portion 152 shown in FIG. 10 has a lower surface 152a formed flat, and another finger hanging portion 153 is formed. A lower surface 153a of the finger is formed in a corrugated shape, and an anti-slip 154b of the finger is formed on the outer periphery of the other finger-hanging portion 154 on the lower surface 154a side by bonding or the like.

  The plurality of types of finger-holding portions 152, 153, and 154 have the same structure, and are attached to the lower side of the handle portion 5b of the handle main body 151 in a replaceable manner by a pair of front and rear screws 155 and 156. An opening / closing lid 157 is detachably attached to the upper portion of the front end side of the handle portion 5b with a screw 158.

An illumination light attachment portion 36 and a viewfinder attachment portion 37 are provided on the upper portion and the front surface of the handle main body 151 of the handle 5.
Then, the handle 5 is configured in a vertically divided structure by the handle main body 151 and a plurality of types of finger-holding portions 152, 153, and 154, so that a hollow portion 38 extending over the entire length of the handle 5 is formed inside the handle 5. It can be easily processed into a hollow structure.

The hollow portion 38 in the handle 5 is connected to the video camera main body 40 through a pair of front and rear vents 39 formed on the upper surface 2b of the video camera main body 2 at a position directly below the pair of front and rear legs 5a. .
Therefore, by using this handle 5, the heat in the video camera main body 40 can be effectively circulated through the pair of front and rear vents 39 and the hollow portion 38 in the handle 5, so that the heat dissipation in the video camera main body 40 can be achieved. The effect can be promoted.

When the cameraman carries the video camera 1, the thumb of one hand is placed on the handle 5 b of the handle 5 as shown by a one-dot chain line in FIG. 14 and the other four fingers (index finger, The handle 5 is gripped so that the middle finger, the ring finger, the little finger) are applied to the finger-holding portion 152 of the handle 5 from below.
Therefore, in particular, the photographer's individual needs such as the material (aluminum, synthetic resin, wood, etc.), structure (presence of non-slip etc.), shape (flat, corrugated, etc.) etc. It is preferable that they can be exchanged corresponding to

  At this time, a plurality of types of finger hooks 152, 153, 154 and the like are prepared in advance in the handle 5, and by simply removing the pair of front and rear screws 155, 156, the types of finger hooks 152 corresponding to the needs of the photographer, 153, 154, etc. can be exchanged easily and freely.

  Next, in night photography or the like, as shown in FIG. 14, an illumination light 41 is attached to the illumination light attachment portion 36 at the upper front end of the handle 5, and the light cable 42 is connected to the rear surface 2 d of the video camera body 2. The connector 43 at the rear end of the light cable 42 is inserted into one of the connectors 9 on the rear surface 2d for use.

  At that time, by attaching and detaching the finger hooks 152, 153, and 154, the light cable 42 can be inserted into the hollow portion 38 of the handle 5 as shown in FIG. Thus, when the handle 5 is held with one hand, the light cable 42 does not get in the way, and the operability of the video camera 1 is very good.

  As shown in FIGS. 10 and 11, a pair of front and rear cutouts 44 are provided at the front and rear ends of the handle main body 151 and the finger hooks 152, 153, and 154 so that the light cable 42 can be easily inserted into the hollow portion 38. , 45 are formed.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made based on the technical idea of the present invention.
For example, the concave-side member 131 and the convex-side member 132 of the concave-convex fitting portion 13 and the male-side member 142 and female-side member 144 of the connector 14 are replaced with the video camera body 2 and the battery pack or adapter 16 on the opposite sides. Also good. At that time, the tapered guides 136 and 137 of the concave-convex fitting portion 13 are turned upside down.

It is a perspective view explaining the attachment mechanism of the battery pack with respect to the video camera main body in one Example of the video camera to which this invention is applied. It is a rear view in the vertical cross section explaining the said attachment mechanism. 3A is a cross-sectional view taken along the line AA in FIG. 2, and FIG. 3B is a cross-sectional view taken along the line BB in FIG. FIG. 4 is a cross-sectional view taken along the line CC in FIG. It is a perspective view explaining the attachment mechanism of the small battery adapter with respect to the video camera main body. It is a perspective view explaining the attachment mechanism of the large-sized battery adapter with respect to a video camera main body. It is a perspective view explaining the attachment mechanism of the large sized battery unit adapter with respect to a video camera main body. It is a perspective view explaining the attachment mechanism of the camera adapter with respect to the video camera main body. It is a perspective view of a handle. It is a side view explaining a plurality of kinds of finger grips of the handle. It is an exploded plan view of a handle. It is sectional drawing in the DD arrow of FIG. It is sectional drawing which shows the assembly state and disassembly state in the cross section by the EE arrow of FIG. It is a side view of the whole video camera. It is a top view of the whole video camera. It is a rear view of the whole video camera.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Video camera 2 Video camera body 2d Rear surface of video camera body 11 Battery pack 11a Front surface of battery pack 12 Lock mechanism 121 Lock claw 123 Lock mechanism lock slider 124 Lock mechanism unlock lever 125 Lock mechanism compression coil Spring 126 Unlocking knob of locking mechanism 127 Recessing portion of locking mechanism of locking mechanism 128 Recessing portion of battery pack 13 Concavity and convexity fitting portion 131 Concave side member of concavity and convexity fitting portion 132 Convex side member of concavity and convexity fitting portion 133 Recess 134 Groove with uneven fitting portion 135 With concave / convex fitting portion 136, 137 Tapered guide of uneven fitting portion 14 Connector 141 Connector pin 142 Connector male side member 143 Connector pin insertion hole 144 Connector Female side member

Claims (2)

A concave mounting mechanism mechanically and electrically coupled to the convex mounting mechanism,
A male side member electrically connected to a female side member which is an electrical coupling portion provided at a lower portion of the convex side mounting mechanism and embedded in a coupling surface of the convex side mounting mechanism;
Has a tapered guide for centering the female member, and a concave side member to the convex side member and fitting embedded with respect to the coupling surface,
When the convex mounting mechanism and the concave mounting mechanism are coupled, the concave member on the coupled surface side that fits with the convex member is a recess provided in the coupling surface, Inserted into the recesses provided on the left and right sides and the lower part of the convex side member at a width and depth corresponding to the concave side member,
A concave mounting mechanism, characterized in that a guide projection is provided at a position corresponding to the guide means provided on the coupling surface on the coupled surface. A convex mounting mechanism mechanically and electrically coupled to the concave mounting mechanism,
Provided embedded on the binding surface of the convex side attachment mechanism, and the female member is a male member and electrically coupled to that Electrical coupling portion provided on a lower portion of the concave side attachment mechanism,
The embedded against the coupling surface is provided et been, for centering the female member
And a convex side member to be fitted to the concave member having a Te supermarkets shaped guide,
When the convex side attachment mechanism and the said concave side attachment mechanism is attached, concave side member of the binding surface for mating with the convex side member, a recess provided in the coupling surface, the Inserted into the recesses provided on the left and right and the bottom of the convex member at a width and depth corresponding to the concave member,
A convex side mounting mechanism, wherein the coupling surface is provided with guide means at a position corresponding to a guide projection provided on the coupled surface.

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