JP2005037921A - Mounting structure of adapter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the mounting structure of an adapter by which a sure relative position is decided without being affected by the shape errors of components in the mounting structure of a camera body and the adapter mounted in the camera body. <P>SOLUTION: A tripod screw 17 provided at the upper surface part of a battery adapter 15 attached to the camera body is screwed with the tripod screw of the camera body, and the positioning pin 16 thereof is fit in a positioning hole provided on the camera body. An armature support 19 having an electrode contact part 18 for electric connection to a battery armature provided in the battery chamber of the camera body is inserted in the battery chamber. A waterproof seal 20 realizing a waterproof state between the support 19 and the battery chamber is arranged around the root of the support 19. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an adapter mounting structure that is detachable from an electronic device such as a camera, and more particularly to an improvement in an adapter mounting structure that incorporates a battery pack for supplying power to an electronic device such as a camera. is there.

  Generally used cameras are provided with a battery storage chamber in the main body. A dedicated battery or dry battery is loaded in the battery storage chamber, and power is supplied to each circuit in the camera. Various functions are executed.

  By the way, the size of the battery storage chamber is limited and the capacity of the battery is also determined, so that the number of photographs to be taken is also limited. For this reason, when a large number of photographs are taken, it is necessary to possess a plurality of batteries, and the batteries must be replaced during the photographing.

  In recent years, a battery adapter that can be freely attached to and detached from the camera body and incorporates a large-capacity battery pack has been developed in order to meet such demands. Such a battery adapter is attached to the camera body using, for example, a tripod screw hole provided on the bottom surface of the camera body.

In addition, a technique is known in which a camera body and an electric drive device mounted on the bottom surface of the camera body are aligned by a relative alignment pin and a tripod screw (for example, see Patent Document 1).
JP-A-57-58133

  As described above, the mounting structure of the camera body and the device mounted on the camera body as described in Patent Document 1 includes the camera body and the electric drive device mounted on the bottom surface of the camera body. They are aligned by their relative alignment pins and tripod screws. By this alignment, the camera contact and the contact of the conductive drive device are electrically connected.

  However, in the technique described in Patent Document 1, the camera body and the device mounted on the camera body are positioned at only two locations, that is, a relative alignment pin and a tripod screw. As a result of this positioning, the camera contact and the contact of the conductive drive device are conducted.

  However, when positioning is performed with only the two positions of the relative positioning pin and the tripod screw with relatively poor positional accuracy, there is a shape error in each part. Depending on how the camera body and the electric drive device are attached, There was a possibility that the relative position would shift. In such a case, due to the generated shift, the camera contact and the contact of the conductive drive device may not be conducted, which may affect the photographing itself.

  The present invention has been made in view of the above points, and in a mounting structure of a camera body and an adapter attached to the camera body, a reliable relative position is determined without being affected by the shape error of parts. It is an object of the present invention to provide an adapter mounting structure that can be used.

  That is, the invention according to claim 1 is a mounting structure of an adapter attached to a camera body, in which a tripod screw that engages with a tripod screw of the camera body and a positioning hole that fits into a positioning hole provided in the camera body. In order to make electrical connection with a pin and a battery contact piece provided in the battery chamber of the camera body, a contact stand having an electrical contact piece inserted into the battery chamber, and provided around the contact piece base, Waterproof means for waterproofing between the contact block and the battery chamber.

  With such a configuration, it is possible to reliably determine the relative position between the camera body and the adapter without being affected by the shape error of the parts, and to perform waterproofing between the contact piece base and the battery chamber. .

  According to a second aspect of the present invention, in the first aspect of the present invention, the waterproof means includes an O-ring made of a rubber member.

  With such a configuration, a waterproof effect can be obtained with a simple configuration.

  According to a third aspect of the present invention, in the mounting structure of the adapter attached to the camera body, a tripod screw that is screwed into a tripod screw of the camera body, a positioning pin that fits into a positioning hole provided in the camera body, In order to make an electrical connection with a battery contact piece provided in the camera body, a contact piece base having an electrical contact piece inserted into the camera body is provided.

  With this configuration, it is possible to reliably determine the relative position between the camera body and the adapter without being affected by the shape error of the parts.

  According to a fourth aspect of the invention, there is provided the waterproof means according to the third aspect of the invention, wherein the waterproof means is provided around the contact piece base and waterproofs between the contact piece base and the camera body. Is further provided.

  With such a configuration, waterproofing between the contact block and the camera body can be performed.

  According to a fifth aspect of the present invention, in the invention according to the fourth aspect, the waterproof means is formed of an O-ring made of a rubber member.

  With such a configuration, a waterproof effect can be obtained with a simple configuration.

  According to the present invention, there is provided an adapter mounting structure capable of determining a reliable relative position without being affected by a shape error of a part in a camera main body and an adapter mounting structure attached to the camera main body. be able to.

  According to the first aspect of the present invention, the relative position between the camera body and the adapter is reliably determined without being affected by the shape error of the parts, and the waterproofing between the contact block and the battery chamber is ensured. It can be carried out.

  According to invention of Claim 2, a waterproof effect can be acquired by simple structure.

  According to the third aspect of the present invention, the relative position between the camera body and the adapter can be determined reliably without being affected by the shape error of the parts.

  According to invention of Claim 4, waterproofing between a contact stand and a camera main body can be performed.

  According to the fifth aspect of the present invention, a waterproof effect can be obtained with a simple configuration.

  According to the present invention, it is possible to provide a small electrostatic shutter device and a digital camera that can be actually mounted on a camera or the like in a shutter device using the principle of an electrostatic actuator.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is an external perspective view showing a configuration of a battery adapter of a camera that is an electronic apparatus according to an embodiment of the present invention, and FIG. 2 shows a configuration of a camera body to which the battery adapter of FIG. 1 is attached. FIG.

  A grip portion 2 for gripping and holding the camera body 1 is formed on the front surface portion of the camera body 1. In addition, a mount portion 3 for mounting a lens barrel (not shown) is provided in the approximate center of the front portion of the camera body 1. Reference numeral 4 denotes a main mirror for guiding an incident light beam to a finder (not shown).

  A battery cover 6 that can be freely opened and closed is provided at the bottom of the camera body 1 and below the grip 2. A battery chamber 7 is provided in the battery lid 6 so that a battery as a power source of the camera can be loaded. In FIG. 2, the battery cover 6 is shown as being removed from the camera body 1 for the sake of explanation.

  A fitting wall 10 for fitting with the battery cover 6 of the camera is provided around the battery insertion opening of the battery chamber 7 in order to form an opening larger than the opening for battery storage. Further, a tripod screw 9 which is a female screw for attaching a tripod or the like (not shown) and a positioning hole 8 for positioning the tripod or the like are formed on the bottom surface of the camera body 1.

  On the other hand, the battery adapter 15 is formed with a positioning pin 16 and a tripod screw 17 at a position facing the positioning hole 8 and the tripod screw 9 on the surface facing the bottom surface of the camera body 1, respectively. The tripod screw 17 is constituted by a male screw that is screwed with the tripod screw 9 on the camera body 1 side. Further, a contact column (contact table) 19 having an electrode contact portion 18 that comes into contact with an electrical contact (not shown) inside the camera body is formed at a position facing the battery lid 6. In the vicinity of the base of the contact post 19, there is a part slightly thicker than the thickness of the contact support 19, and a waterproof seal (O-ring) 20 as a waterproof means is arranged around it. Yes.

  Now, as shown in FIG. 2, the battery cover 6 of the camera body 1 is removed, and the contact column 19 is inserted into the battery chamber 7 as shown by the arrow A in the figure. Then, the waterproof seal 20 is fitted to the peripheral wall which is the fitting wall 10 with the battery lid 6 provided around the mouth of the battery chamber 7 and is brought into contact with the inner peripheral wall. Thereby, waterproofing is made between the battery chamber 7 of the camera body 1 and the outside. Further, the positioning pin 16 is fitted into the positioning hole 8, and the tripod screw 17 is screwed with the tripod screw 9. As a result, the battery adapter 15 is positioned with respect to the camera body 1.

  It should be noted that the waterproof seal 20 may be provided around the contact post 19 itself in a thin portion above the thickness rather than a portion having a thickness slightly larger than the thickness of the contact post 19 described above. In this case, the waterproof seal 20 'comes into contact with the inner wall 7a in the battery chamber 7, and similarly has a waterproof function between the battery chamber 7 and the outside (FIG. 9). reference).

  Note that the horizontal cross-sectional shape of the contact column 19 is slightly smaller than the horizontal cross-sectional shape of the battery chamber 7 of the camera body 1. The tripod screw 17 is loosely fitted with a tripod screw hole on the upper surface of the battery adapter 15.

  A recess for accommodating the battery cover 6 of the camera body 1 is also formed on the upper surface of the battery adapter 15, thereby forming a battery cover storage part 22. When the contact piece 19 is inserted into the battery chamber 7, the battery cover 6 is removed from the camera body 1. Therefore, when the battery adapter 15 is used, the battery lid 6 is fitted into the battery lid housing portion 22 so that the removed battery lid 6 is not lost.

  A tripod screw dial 23 for screwing the tripod screw 17 with the tripod screw 9 of the camera body 1 is provided on the front surface of the battery adapter 15. By rotating the tripod screw dial 23 in a predetermined direction, the screwing state of the tripod screw 17 and the tripod screw 9 is adjusted, and the battery adapter 15 and the camera body 1 are attached and detached. .

  Further, a battery lid member 26 for inserting and removing the battery pack 25 from the battery adapter 15 main body is provided on a side portion of the battery adapter 15. The battery lid member 26 is provided with a lock operation member 27 for fixing and opening the battery pack 25 to and from the battery adapter 15 body.

  The camera body 1 and the battery adapter 15 described above are made of mold or plastic.

  3A and 3B show the structure of the battery pack (exchange package). FIG. 3A is an external perspective view seen from one direction, and FIG. 3B is a perspective view seen from the opposite direction (back side) to FIG.

  The battery pack 25 has a structure in which a battery pack body 30 is attached to a battery lid member 26.

  The battery lid member 26 is provided with a lock claw 33 for fixing the battery pack body 30 to the battery adapter 15. The lock claw 33 is rotatable, and rotates in a predetermined direction in conjunction with the operation of the lock operation member 27 so that the battery lid member 26 is fixed to the battery adapter 15 or opened.

  Further, a waterproof seal (O-ring) 34 is disposed around the battery lid member 26 on the battery electrode side described later than the lock claw 33. The waterproof seal 34 abuts against a peripheral wall (not shown) of the battery adapter 15 to seal the inside of the battery adapter in a watertight manner. This constitutes a waterproof means.

  On the other hand, a plurality (three in this case) of electrodes 31 are provided on the opposite side of the battery pack body 30 from the battery lid member 26.

  FIG. 4 is an exploded perspective view showing the attachment structure of the battery lid member 26 and the battery pack main body 30.

  As will be described later, the battery lid member 26 is fixed to the mounting member 36 with screws. A contact portion 37 is formed on the attachment portion 36 so as to contact the contact surface 30 a of the battery pack body 30. Further, a rubber cushion 38 as a cushioning material is attached to the attachment member 36, and comes into contact with the contact surface 30 a of the battery pack body 30 via the rubber cushion 38.

  On the other hand, in the vicinity of the contact surface 30a on the side surface of the battery pack main body 30, for example, protrusions 40 and 41 having a substantially rectangular cross section are formed. The protrusion 40 is fitted into a notch 42 formed in the attachment member 36. On the other hand, the protrusion 41 is inserted into a notch 44 formed in a “U-shaped” stop member 43. Then, the stopper member 43 is screwed to the attachment portion 46 of the attachment member 36 with a screw 45.

  As a result, the battery pack body 30 is held by the notch 42 and the notch 44 of the stop member 43 by the protrusion 40 and the protrusion 41 with the contact surface 30 a abutting against the contact portion 37 and the rubber cushion 38. That is, the battery pack main body 30 is held by the notch 42 and the notch 44 of the stop member 43 by the protrusion 40 and the protrusion 41, and the surface of the abutting portion 37 due to the elastic force of the abutting rubber cushion 38. Swing around the fulcrum.

  Therefore, the fitting between the protrusion 40 and the notch 42 is loosely fitted in a gap fit state in all directions, and the fitting between the protrusion 41 and the notch 44 is loosely fitted in a gap fit state in all directions. When the stop member 43 is screwed with the screw 45, the battery pack main body 30 is called in the longitudinal direction of the battery pack main body 30 in the direction in which the mounting member 36 exists, and the contact surface 30a, the contact portion 37, and the rubber cushion 38 is brought into contact.

  Thus, the battery pack main body 30 and the battery lid member 26 constitute a relative movement mechanism or a swing mechanism that is a moving means that moves relatively by the elastic force of the rubber cushion 38.

  The above-described waterproof seal 34 is disposed between the battery lid member 26 and the attachment member 36 on the battery pack main body 30 side with respect to the lock claw 33. Thus, even if the lock claw 33 is submerged, the battery pack body 30 is not submerged.

  FIG. 5 is an exploded perspective view showing the structure of the battery lid member 26 and the mounting member 36 described above.

  The battery lid member 26 has an opening 26a at a substantially central portion thereof. A long hole 50a formed at the center of the lock plate 50 having the two lock claws 33 is engaged with the mounting portion 27a of the lock operation member 27 through the opening 26a and the opening 51a of the click spring 51. And screwed by screws 53. As a result, the lock plate 50 can rotate integrally with the lock operation member 27.

  Slits 26b and 26c are formed around the battery lid member 26, and lock claws 33 and 33 of the lock plate 50 are fitted into the slits 26b and 26c. Accordingly, when the lock operation member 27 is operated and the lock plate 50 rotates in a predetermined direction, the lock claws 33 and 33 are exposed from the slits 26 b and 26 c so that the battery lid member 26 is locked to the battery adapter 15. Become. When the lock plate 50 rotates in the direction opposite to the predetermined direction, the lock claws 33 and 33 are not exposed from the slits 26b and 26c, and the battery lid member 26 is unlocked.

  A waterproof seal member 54 is attached to the battery lid member 26 at a position corresponding to the notch (hole) 42 of the attachment member 36. Further, the battery lid member 26 is provided with a plurality of attachment portions 26e, which are screwed by screws 55 through screw holes 36a formed in the attachment member 36 so as to sandwich the waterproof seal 34 which is an O-ring. . Thereby, the battery lid member 26 and the attachment member 36 are fixed.

  6A and 6B are exploded perspective views showing the structure of the battery adapter 15 with the battery lid member 26 removed, wherein FIG. 6A is a view showing an upper cover, and FIG. 6B is a view showing a waterproof seal. c) is a view showing a lower cover.

  As shown in FIG. 6, the battery adapter 15 includes an upper cover 60 that is a first exterior member including a frame 62, a lower cover 61 that is a second exterior member, the upper cover 30, and the lower cover 61. And a waterproof seal (seal member) 65 for watertightly closing.

  The frame (loop forming portion) 62 is formed integrally with the upper cover 60 on the side where the battery lid member 26 is attached in the battery adapter 15. The upper cover 60 and the lower cover 61 form an opening 59, and the cover between the two covers is watertightly closed by a waterproof seal. However, in order to ensure the waterproofing of the opening 59, An integrally formed frame 62 is prepared.

  That is, the portion of the opening 59 formed by the frame 62 is watertightly closed independently of the waterproofing of the upper and lower covers by the waterproof seal 34 disposed around the battery lid member 26 as described above. The frame (loop forming portion) 62 and the waterproof seal 34 constitute a first waterproof means.

  Although not shown here, it is needless to say that the frame may be formed not on the upper cover 60 but on the lower cover 61 as long as the frame is integrally formed.

  In FIG. 6, a projecting sealing projection 63 that is continuous over the entire circumference is formed at a position facing the lower cover 61 around the upper cover 60. Similarly, a concave seal groove 64 that is continuous over the entire circumference is formed at a position facing the upper cover 60 in the periphery of the lower cover 61. A waterproof seal 65 is embedded along the seal groove 64. The sealing projection 63, the seal groove 64, and the waterproof seal 65 constitute a second waterproof means.

  Further, the sealing protrusion 63 may be set on the lower cover 61, and the seal groove 64 may be set on the upper cover 60.

  In FIG. 6B, the waterproof seal 65 is shown in a ring shape, but is not limited thereto, and may be a linear one.

  The upper cover 60 is attached to the lower cover 61 in a state where the waterproof seal 65 is embedded in the seal groove 64 of the lower cover 61. This attachment is performed by screwing a plurality of screws 67 to the attachment portion 69 of the lower cover 61 through a plurality of screw holes 68 provided in the upper cover 60. At this time, the sealing protrusion 63 described above presses the waterproof seal 64 so that the upper cover 60 and the lower cover 61 except the opening 59 are watertightly closed.

  FIG. 7A is a sectional view partially showing an example in which the battery adapter with the battery pack body 30 removed is attached to the camera body, and FIG. 7B shows the state of the battery positioning table and the protective sheet in the state of FIG. FIG. 8A is a cross-sectional view partially showing an example in which the battery adapter with the battery pack main body 30 loaded is attached to the camera main body, and FIG. 8B is a battery positioning table and protective sheet in the state of FIG. FIG.

  A contact post 19 is inserted into the battery chamber 7 of the camera body 1, a waterproof seal 20 is fitted and brought into contact with the peripheral wall 10 at the mouth of the battery chamber 7, and a positioning pin 16 is fitted into the positioning hole, and a tripod screw 17 is screwed with the tripod screw 9. As a result, the battery adapter 15 is accurately attached to the camera body 1.

  The tripod screw dial 23 is sealed in the upper cover 60 by a metal tripod screw fastening plate 72, for example. A waterproof seal 71 is disposed between the tripod screw fastening plate 72 and the upper cover 60, and is screwed to the upper cover 60 by screws 73.

  A waterproof seal 65 is disposed at a position facing the lower cover 61 of the frame 62.

  A protective sheet stopper plate 75 for fixing a flexible protective sheet 76 described later is provided at a predetermined position of the lower cover 61. The protective sheet 76 is fixed to the lower cover 61 with a screw 77 through a protective sheet retaining plate 75.

  In the protective sheet 76, a plurality (three places) of battery contact piece holes (openings) 80 are formed at predetermined positions. The battery contact hole 80 is formed at a position corresponding to the battery contact 81 attached to a predetermined position of the lower cover 61.

  As shown in FIGS. 8A and 8B, the battery contact piece 81 can obtain electrical contact with the battery electrode 31 in a state where the battery pack body 30 is loaded in the battery adapter 15. Placed in position.

  The battery positioning table 83 is provided to align the battery pack body 30 with a predetermined position in the battery adapter 15. A plurality of guide portions (rib-shaped protrusions) 84 for guiding the battery pack main body 30 are formed inside the battery positioning base 83.

  The battery pack main body 30 is swingably held by the battery lid member 26 as described above. Therefore, the position where the battery electrode 31 which is the other end side of the battery pack body 30 is provided is not fixed in position. Therefore, a battery positioning table 83 is provided in order to position the battery pack body 30 with certainty.

  When the battery pack body 30 is detached from the battery adapter 15, the protective sheet 76 is mixed with a metal piece such as a clip or the like in the battery adapter 15, and as a result, the battery pack body 30 is loaded. The battery electrode 31 prevents the battery contact piece 81 from being short-circuited by a clip or the like. Thereby, the short circuit of the battery by mixing of a metal piece can be prevented.

  That is, one side of the protective sheet 76 is fixed by the screw 77, but as shown in FIGS. 7A and 7B, when the battery pack body 30 is not loaded, the other is the battery positioning base. It is in a state of being bent so that the end portion comes into contact with 83. In this state, the battery contact piece 81 does not enter the battery contact hole 80 provided in the protective sheet 76, and the battery contact piece 81 cannot be observed from the appearance. Therefore, even if a metal piece is mixed in the battery adapter 15 in this state, the battery contact piece 81 is prevented from being short-circuited by the protective sheet 76.

  When the battery pack body 30 is inserted with the metal piece mixed in the battery adapter 15, the metal piece is caught by the protective sheet 76. Therefore, the battery pack main body 30 is not held by the battery positioning base 83, and the battery lid member 26 is not closed. Therefore, it can be seen that there is an abnormality in the battery adapter 15, and the possibility of a short circuit of the battery pack body 30 can be prevented in advance.

  Further, in the state where the battery pack body 30 is loaded in the battery adapter 15, the protection sheet 76 is placed along the wall surface by the battery pack body 30 as shown in FIGS. 8 (a) and 8 (b). It can be bent at a right angle. At this time, the battery contact piece 81 is exposed from the battery contact piece hole 80. Thus, the battery contact piece 81 and the battery electrode 31 are electrically connected.

  In the above-described embodiment, the battery adapter attached to the camera body has been described as an example. However, the present invention is not limited to this, and any device having a waterproof function capable of inserting and removing the replacement battery can be applied. It is.

  In addition to this, it goes without saying that various modifications can be made without departing from the scope of the present invention.

It is the external appearance perspective view which showed the structure of the battery adapter of the camera which is an electronic device which concerns on one embodiment of this invention. It is an external appearance perspective view which shows the structure of the camera main body with which the battery adapter of FIG. 1 is mounted | worn. The structure of a battery pack is shown, (a) is the external appearance perspective view seen from one direction, (b) is the perspective view seen from the opposite direction to (a). 4 is an exploded perspective view showing a mounting structure for a battery lid member 26 and a battery pack body 30. FIG. FIG. 3 is an exploded perspective view showing structures of a battery lid member 26 and an attachment member 36. It is a disassembled perspective view which shows the structure of the battery adapter 15 in the state which removed the battery cover member 26, (a) is a figure which showed the upper cover, (b) is a figure which showed the book | form vertical seal, (c) is It is the figure which showed the lower cover. (A) is sectional drawing which shows partially the example which mounted | wore the camera main body with the battery adapter of the state which removed the battery pack main body 30, (b) demonstrates the mode of the battery positioning stand and protective sheet of the state of (a) It is a figure to do. (A) is sectional drawing which shows partially the example which mounted | wore the camera main body with the battery adapter of the state which loaded the battery pack main body 30, (b) demonstrates the mode of the battery positioning stand and protective sheet of the state of (a). It is a figure to do. It is the figure which showed the other example of arrangement | positioning of a waterproof seal.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Camera body, 2 ... Grip part, 6 ... Battery cover, 7 ... Battery chamber, 8 ... Positioning hole, 9 ... Tripod screw, 15 ... Battery adapter, 16 ... Positioning pin, 17 ... Tripod screw, 19 ... Contact pillar 20 ... Waterproof seal (O-ring), 22 ... Battery lid housing, 23 ... Tripod screw dial, 25 ... Battery pack, 26 ... Battery lid member, 27 ... Lock operation member, 30 ... Battery pack body, 30a ... Abutting Surface, 31 ... Battery electrode, 33 ... Lock claw, 34 ... Waterproof seal (O-ring), 36 ... Mounting member, 37 ... Abutting part, 38 ... Rubber cushion, 59 ... Opening, 60 ... Upper cover, 61 ... Lower cover 62 ... Frame, 63 ... Sealing protrusion, 64 ... Seal groove, 65 ... Waterproof seal (seal member), 76 ... Protection sheet, 80 ... Battery contact hole, 81 ... Battery contact piece, 83 ... Battery positioning stand

Claims (5)

In the mounting structure of the adapter attached to the camera body,
A tripod screw that is screwed into the tripod screw on the camera body,
A positioning pin that fits into a positioning hole provided in the camera body;
In order to make an electrical connection with a battery contact provided in the battery chamber of the camera body, a contact stand having an electrical contact inserted into the battery chamber;
A waterproof means provided around the contact table and waterproofing between the contact table and the battery chamber;
An adapter mounting structure characterized by comprising:   2. The adapter mounting structure according to claim 1, wherein the waterproof means comprises an O-ring made of a rubber member. In the mounting structure of the adapter attached to the camera body,
A tripod screw that is screwed into the tripod screw on the camera body,
A positioning pin that fits into a positioning hole provided in the camera body;
In order to make an electrical connection with a battery contact provided in the camera body, a contact base having an electrical contact inserted into the camera body;
An adapter mounting structure characterized by comprising: Waterproof means provided around the contact piece for waterproofing between the contact piece and the camera body;
The adapter mounting structure according to claim 3, further comprising:   5. The adapter mounting structure according to claim 4, wherein the waterproof means is composed of an O-ring made of a rubber member.

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