JP5501778B2 - Waterproof equipment - Google Patents

Description

  The present invention relates to a waterproof structure for a lid member of a portable waterproof device.

  As a waterproof structure of a lid member in a conventional waterproof device, those disclosed in Patent Documents 1, 2, 3 and the like are contact surfaces for circumferential sealing that abut against a sealing contact surface around a housing opening with respect to the lid member It employs a waterproof structure in which an annular packing member having a gap is arranged.

JP 2001-021979 A JP 2003-142841 A Japanese Patent No. 3182003

  In the waterproof structure disclosed in Patent Documents 1, 2, 3, etc., the single annular packing member has a circumferential sealing surface. When the lid member is operated to open and close, a part of the circumferential contact surface of the annular packing member may be damaged, or dust may adhere to the contact surface. Therefore, it cannot be said that a sufficient waterproof function is always performed on the circumferential sealing surface of the single annular packing member.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a portable waterproof device having a more reliable waterproof function.

In order to solve the above problems, the waterproof device of the present invention is a portable waterproof device, which is provided in the waterproof device, requires a waterproof property to the outside, and has a recess having an insertion slot into which an accessory is inserted from the outside. A first surface provided in the entire circumference of the mouth of the insertion port crossing the direction in which the accessory is inserted, and the entire circumference of the mouth of the insertion port in parallel with the direction in which the accessory is inserted. A concave portion having a second surface provided on the lid, and a lid member covering the concave portion, a first seal member in contact with the first surface, and the second surface in order to waterproof the concave portion. A lid means having a second seal member, and the abutting portion of the second seal member that abuts on the second surface has a triangular cross section, and one of its corners is It protrudes in an annular shape on the outer peripheral side and touches the second surface Characterized in that the accessory insertion direction bent in the opposite direction.

  According to the present invention, a portable waterproof device having a more reliable waterproof function can be provided.

The perspective view which shows the external appearance of the digital camera as a waterproof apparatus which is one Embodiment of this invention The perspective view which shows the state which opened the battery cover in the digital camera of FIG. The exploded perspective view which looked at the battery cover shown in FIG. 2 from the outer side The exploded perspective view which looked at the battery cover of FIG. 3 from the inner side Front view of the battery cover of FIG. Side view of the battery lid of FIG. Rear view of the battery lid of FIG. It is AA sectional drawing of FIG. 5, Comprising: The figure which shows the cross section of a battery cover, a battery insertion port, and a battery storage chamber FIG. 3 is a partially enlarged view around the locking knob and the lock member in the locked state of the battery cover shown by the arrow B in FIG. 3. FIG. 3 is a partially enlarged view around the locking knob and the lock member in the battery lid openable state (unlockable state) shown by the arrow B in FIG. 3. FIG. 3 is a partially enlarged view around the locking knob and the lock member in the unlocked state of the battery cover shown by the arrow B in FIG. 3. Sectional drawing which shows the contact state of the battery insertion slot of FIG. 8, and the annular packing of a battery cover Sectional drawing which shows the contact state of the battery insertion slot of FIG. 8, and the inner peripheral packing of a battery cover

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  A digital camera (hereinafter referred to as a camera) 1 as a portable waterproof device according to an embodiment of the present invention includes an imaging optical system, an imaging unit including an imaging element, and an imaging control unit as shown in FIGS. The camera exterior 2 has a waterproof structure. The camera exterior 2 has a photographing window 4 and a strobe window 5 on its front surface, and a release button 6 and a power switch button 7 on its upper surface. Has been.

  In the following description, in the normal photographing holding state of the camera 1, the subject side is the front side, and the direction parallel to the photographing optical axis O of the photographing optical system is the Z direction (front-rear direction). The directions perpendicular to the Z direction are the X direction and the vertical direction as the Y direction when viewed from the front side. Regarding the battery lid 11 (described later), the battery storage chamber 3b (described later) side is defined as the inside, and the lid side is defined as the outside.

  In the camera 1, a side panel portion 3 forming a part of the camera exterior 2 provided with a battery housing chamber 3b, which is a recess into which a battery 9 as an accessory is inserted, is disposed on the left end (FIG. 2). . And the battery cover 11 as a cover means for covering and sealing the opening 3a of the battery storage chamber 3b for waterproofing is provided at the left end of the side panel portion 3 via the rotating shaft 15 (FIG. 3) along the Z direction. It is rotatably supported.

  The side panel portion 3 has an opening 3a for attaching and detaching the battery 9 to and from the battery storage chamber 3b along the X direction at the insertion opening of the battery storage chamber 3b, and the battery insertion direction (X direction) outside the opening 3a. A first surface which is a contacted surface along the intersecting YZ plane, and is formed in an annular belt-like plane portion 3d provided at the entire circumference of the mouth of the insertion port, and perpendicular to the belt-like plane portion 3d, It is a second surface which is a contact surface along the battery insertion direction (X direction) and is located outside the belt-like flat portion 3d and is an annular shape provided around the mouth of the insertion port. An inner peripheral belt-like surface portion 3e is provided (FIGS. 8, 12, and 13). In addition, the outer side of the inner peripheral belt-like surface portion 3e is an inclined surface 3f. In the upper part of the side panel portion 3, a battery lid locking hole 3g in the Y direction is arranged.

  As shown in FIGS. 3 and 4, the battery lid 11 includes a lid outer plate 21 as a lid member to which the locking knob 12, the lock knob 13, and the rotation shaft 15 are assembled, and an inner peripheral packing as a second seal member. An inner packing support frame 22 as a lid member for holding 26, an annular packing support frame 23 as a lid member for holding an annular packing 25 as a first seal member, a packing retainer 24, and a ground connection piece 35. Consists of.

  The locking knob 12 has a locking plate 31 and a click spring 32 integrated with the screw 42 on the inner surface side in the X direction, and is slidable in the Y direction with respect to the lid exterior plate 21 via the screw 43. It is supported.

  The locking plate 31 is provided with a locking projection 31a at the top in the Y direction and a locking projection 31b at the bottom in the Y direction. The locking projection 31a is engaged with the battery lid locking locking hole 3g of the side panel portion 3 by the sliding movement of the locking knob 12 to hold the battery lid 11 in a hermetically closed state, and the inside of the battery storage chamber 3b. To be watertight.

  The lock knob 13 is rotatably supported with respect to the lid exterior plate 21 in a state in which a lock member 33 and a click spring 34 are integrated with screws 41 on the inner surface side in the X direction.

  The lock member 33 is a disc member centered on the axis of the lock knob 13, and a part of the outer peripheral portion thereof abuts on the lock projection 31 b, restricts the movement of the locking plate 31, and performs a lock release operation. It has a movement restricting portion 33a for blocking, and a part of the outer peripheral portion is notched, and has a relief portion 33b that does not block the lock protrusion 31b from entering.

  In the battery lid 11, when the lock knob 13 is in the locked position, the movement restricting portion 33 a faces the lock protrusion 31 b of the locking plate 31 to prevent the locking plate 31 from moving downward, so that the battery Keep the lid locked. When the lock knob 13 is in the lock release position, the escape portion 33b faces the lock projection 31b of the locking plate 31 and allows the lock projection 31b to enter. That is, it is possible to move downward of the locking plate 31, and the locking projection 31 a is brought into a non-projecting state from the upper part of the battery lid 11, so that the battery lid 11 can be opened and closed.

  The inner packing support frame 22 holds the rotary shaft 15 in the lower portion along the Z direction, and the rotary shaft 15 is also held by a metal reinforcing member 36 fixed to the support frame 22. Both end portions are rotatably supported by the side panel portion 3. On the inner surface side of the inner packing support frame 22, an annular protrusion 22 a that protrudes inward along the outer circumferential direction and fits into the annular groove 26 a of the inner packing 26 is provided.

  The inner circumferential packing 26 is a belt-shaped packing member made of silicon rubber or the like having a substantially square frame shape having a large opening and surrounding the opening (FIGS. 3 and 4), and is formed along the left surface portion rectangular frame. And an annular groove 26a that protrudes toward the outer peripheral side of the annular shape, and a protrusion 26b that has a triangular portion with a tip portion serving as a contact portion. Note that minute protrusions (burrs) 26c formed by the parting portion remain at the apex portion of the protrusion 26b (FIG. 13).

  The annular packing support frame 23 has a frame portion 23b fitted into the opening of the inner circumferential packing 26 on the outer side in the X direction, and a recess 23a into which the annular packing 25 is fitted on substantially the entire inner side of the frame portion 23b in the X direction. Have.

  The annular packing 25 is an annular packing member made of silicon rubber or the like having an outer periphery smaller than the outer periphery of the inner packing 26 (FIGS. 3 and 4), and is directed to the inside in the X direction perpendicular to the YZ plane along the outer periphery. And projecting portions 25c, 25f, 25e, 25g, 25h, 25i arranged on a straight line and projecting portions 25j, 25k, 25m, 25n, and 25o are formed, and the inside of the annular protrusion is a flat portion 25k along the YZ plane (FIG. 12).

  The packing presser 24 is a flat plate member that presses the flat surface portion 25k of the annular packing 25.

  As shown in FIGS. 3, 4, and 8, assembling the members of the packing and packing support plate of the battery lid 11, first, the protrusion 22 a and the groove on the inner side of the inner packing support frame 22 in the X direction. 26a is inserted, and the inner periphery packing 26 is mounted. Further, the inner periphery packing support frame 22 and the annular packing support frame 23 are connected to each other with the frame portion 23b of the annular packing support frame 23 fitted inside the inner periphery packing 26 and the inner periphery packing 26 being sandwiched by screws 45 and 46. Integrate.

  The annular packing 25 is fitted into the recess 23 a of the annular packing support frame 23. Further, the packing presser 24 is brought into contact with the flat surface portion 25 k of the annular packing 25, and the packing presser 24 is fixed to the annular packing support frame 23 in a state where the annular packing 25 is pressed by screws 47, 48 and 49.

  Therefore, the lid outer plate 21 in which the locking knob 12 and the lock knob 13 are incorporated is fixed to the inner peripheral packing support frame 22 and the annular packing support frame 23 with screws 43 and 44. The screw 44 also fixes the ground connection piece 35 and the metal reinforcing member 36 together.

  The battery lid 11 assembled as described above is pivotally attached to the side panel portion 3 via the pivot shaft 15.

  The opening / closing operation | movement of the battery cover 11 is demonstrated using FIGS. First, in order to close the battery insertion opening 3a with the battery cover 11 and bring it into a locked state, the lock knob 13 is turned to the unlocked position and the locking knob 12 is lowered in the Y direction (FIG. 11). Then, the battery lid 11 is rotated to bring the opening 3a into a closed state (FIG. 8). Therefore, the locking knob 12 is slid upward in the Y direction (FIG. 10), and the locking protrusion 31a is engaged with the battery lid locking locking hole 3g of the side panel portion 3. Further, when the lock knob 13 is rotated to the lock position, the tip of the lock projection 31b of the lock plate 31 is opposed to the movement restricting portion 33a of the lock knob 13, and the lock knob 12 is moved to the lock position. (FIG. 9). That is, the battery cover 11 is held in the closed state.

  To release the battery cover 11, the lock knob 13 is rotated to the unlocked position so that the lock projection 31b of the locking plate 31 can enter the escape portion 33b of the lock member 33 (FIG. 10). The knob 12 is slid downward in the Y direction, and the locking projection 31a is removed from the battery lid locking locking hole 3g (FIG. 11). In this state, the battery lid 11 can be rotated in a direction to open the opening 3a.

  The state of each packing member in the closed state of the battery lid 11 will be described with reference to FIGS. In the closed state of the battery lid 11, the annular packing 25 and the inner peripheral packing 26 are deformed by the respective projecting portions coming into contact with the belt-like flat surface portion 3d and the inner peripheral belt-like surface portion 3e of the side panel portion 3 and deformed. The opening 3a of the insertion opening is in a double sealed state.

  More specifically, when the battery lid 11 rotates in the closing direction, the tip of the protrusion of the annular packing 25 comes into contact with and presses the belt-like flat surface portion 3d (FIG. 12).

  At that time, in the XY cross section, the tip of the protrusion 25c on the upper side (FIG. 4) is biased in the upward direction Ya, so the amount of deviation from the neutral plane C with respect to the root 25b of the protrusion 25c. A reaction force of δ × contact force F1 acts. On the other hand, since the tip of the lower protrusion 25e (FIG. 4) is biased in the downward direction Yb, the amount of deviation δ × contact force F2 from the neutral plane C with respect to the root 25d of the protrusion 25e. Reaction force acts. Therefore, the tip of the protrusion 25c is bent and bent (displaced) in the upward direction Ya (the outward direction of the annular packing 25), which is a preferable deformation direction, for the reason described later. Moreover, the front-end | tip part of the protrusion 25e bends in the downward direction Yb direction (outward direction of the annular packing 25) which is a preferable deformation direction, and bends (displaces).

  In addition, since the rotation axis 15 of the battery lid 11 is displaced outward in the X direction from the belt-like flat portion 3d as shown in FIG. 12, along with the rotation of the battery lid 11 in the closing direction after the contact, The frictional force component due to the tip end abutment of the protrusion 25c on the upper side acts in the upward direction Ya, which is a more preferable direction. However, the frictional force component due to the tip end abutment of the lower protrusion 25e acts in a direction opposite to the preferred direction downward Yb. Therefore, it is necessary to sufficiently take the deviation amount δ.

  As for the left side protrusion 25f and right side protrusion 25g (FIG. 4) in the XZ cross section of the annular packing 25, the tip is left or right as in the case of the upper protrusion 25c and the lower protrusion 25e. Since it is biased in the same manner, it abuts against the belt-like flat surface portion 3d and bends toward the left or right direction (both outward directions of the annular packing 25), which will be described later, by being pressed.

  The annular packing 25 has protrusions 25m, 25k, and 25j arranged at the corners bent as described above and bent at a predetermined curvature of 90 ° in the circumferential direction (FIG. 4). If the upper end protrusion 25c, the lower end protrusion 25e, the left end protrusion 25f, and the right end protrusion 25g are bent toward the inner side of the ring and bent, the protrusions 25m, 25k, Each tip portion of 25j is raised on the YZ plane, which is not preferable in terms of adhesion of the packing.

  However, in the annular packing 25 according to this embodiment, as described above, the tip ends of the upper side protrusion 25c, the lower side protrusion 25e, the left side protrusion 25f, and the right side protrusion 25g are each in a preferable direction. Since the projections 25h, 25i, and 25j at the corners are not raised because they bend outward in the direction, the annular packing 25 is brought into close contact with the belt-like flat part 3d, and a reliable waterproof state is obtained.

  When the battery cover 11 is rotated in the closing direction, the inner peripheral packing 26 is fitted while the protrusion 26b along the outer periphery is deformed to the inner periphery of the inner peripheral belt-like surface portion 3e of the side panel portion 3 as shown in FIG. Include. At the initial stage of insertion, the tip of the protrusion 26b enters while sliding on the inclined surface 3f provided outside the inner belt-like surface 3e, and finally the tip of the protrusion 26b is outward in the battery insertion direction (X direction). As a result, the inner peripheral belt-like surface portion 3e is sealed.

  In the above-described insertion deformation state of the inner packing 26, the tip of the protrusion 26b is held in a state of being bent outward in the X direction, so that the minute protrusion (burr) 26c formed on the tip is formed as an inner belt. A state in which the surface portion 3e is not in direct contact is obtained. Therefore, the problem of confidentiality or watertightness can be avoided.

Further, since the tip end of the protrusion 26b is held in a state of being bent outward in the battery insertion direction (X direction), the battery cover 11 is also formed by the inner peripheral packing 26 in addition to the repulsive force due to the compression of the annular packing 26. It is in a state to receive turning force in the opening direction. Therefore, when the battery lid 11 is unlocked, the battery lid 11 opens a slight amount in the opening direction, so that it is reliably recognized that the battery lid 11 is not locked.
In the battery lid 11, the lid exterior plate 21 is provided with a through hole 21 b. Further, the inner circumferential packing support frame 22 is provided with a through hole 22b at a position separated from the through hole 21b. These holes allow water, particularly seawater, to be introduced into and discharged from the inner packing support frame 22. These are sand that has entered the inner circumferential packing support frame 22 from an opening 21c provided in the lid exterior plate 21 that exposes the locking knob 12 to the outside and an opening 21d that enables the locking knob 13 to rotate, It is for discharging garbage and the like together with seawater. Sand or the like easily enters from the opening 21c for the locking knob 12 or the opening 21d for the locking knob 13, and the sand or the like that has entered the inner packing support frame 22 is an operation member such as the locking knob 12. Or into the sliding portion of the lock knob 13, the operational feeling is deteriorated and the sliding is obstructed, and finally the operation thereof is defective. For this reason, if the through-hole 21b and the through-hole 22b are provided as described above, seawater will flow from one hole to the other so that the sand will be washed away, and the sand will be discharged. Deterioration and malfunction of the operation member can be prevented. That is, a through hole 21b or a through hole 22b, which is a first hole for introducing a fluid such as water into the lid member, and a second hole for discharging a fluid such as water out of the lid member. It can be used for a waterproof device provided with a certain through-hole 21b or through-hole 22b and a locking knob 12 and a lock knob 13 which are operating members slidably provided in the lid member.

  As described above, according to the camera 1 of the present embodiment, the annular packing 25 and the inner packing 26 have a more reliable sealing property in order to seal the battery insertion port by the battery lid 11 that can be opened and closed. By acting, a waterproof structure that performs a double waterproof function can be obtained.

  That is, in the annular packing 25, the protrusions 25m, 25k, 25j at the annular corner portions are less likely to rise in the contact compression state with the belt-like flat surface portion 3d, and a reliable sealed state is obtained. On the other hand, in the inner periphery packing 26, it is avoided that the parting protrusion 26c generated at the time of molding is in direct contact with the inner periphery band-shaped surface portion 3e, and a reliable sealed state is obtained. Further, the projecting portion 26b is deformed toward the outside in the contact compression state of the inner circumferential packing 26 to the inner circumferential belt-like surface portion 3e, and a restoring force is generated. Works. Therefore, when the battery cover 11 is in the closed position and is not locked, the battery cover 11 is slightly opened in the opening direction, and it is easy to recognize that the battery cover 11 is not locked.

  In the present embodiment, the waterproof structure of the battery lid 11 for waterproofing the opening 3a of the battery storage chamber 3b is taken as an example of the accessory storage chamber. The waterproof structure described above can also be applied to a storage medium storage chamber such as a memory card, or a waterproof structure of the lid means of the external connector connecting portion.

  Even if the inner packing 26 and the annular packing 25 which are the two packing members in the present embodiment are produced by integral molding, the same effects can be obtained.

  In addition, the inner packing 26 and the annular packing 25 in the present embodiment are held on the battery lid 11 side, but the packing member is held on the side panel 3 side, and the belt-like flat portion and inner belt-like surface portion are connected to the battery. It is also possible to adopt a waterproof structure provided on the lid side.

  Note that the surface of the inner peripheral belt-like surface portion 3e is provided with an antifouling coating, so that it is difficult for dust to deteriorate the waterproof function, and the protrusion 26b is in pressure contact with the surface of the inner peripheral belt-shaped surface portion 3e. Therefore, when the battery lid 11 is in the closed state, if the battery lid 11 is opened after the dust has adhered to the surface of the inner peripheral belt-like surface portion 3e outside the battery lid 11, the dust adhered to the protrusions 26b is swept out. Dust removal will be performed. Therefore, the possibility of deterioration of the waterproof property is reduced by the subsequent closing operation of the battery lid 11, and the reliability of the waterproof property is improved. Therefore, if the battery housing chamber 3b, which is the recess, can be waterproofed only by the inner peripheral belt-like surface portion 3e and the inner peripheral packing 26 having the protrusion 26b, depending on the degree of waterproofness required for the portable device, the recess There is no need to provide the belt-like flat portion 3d at the mouth, and the mouth itself may be the inner belt-like surface portion 3e continuously to the wall surface of the recess.

  The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention at the stage of implementation. Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements.

  The waterproof device of the present invention can be used as a portable waterproof device having a more reliable waterproof function.

3a ... Opening (insertion slot)
3b ... Battery storage chamber (recess)
3d: Band-shaped plane part (first surface)
3e ... inner peripheral belt-like surface portion (second surface)
9 ... Battery (Accessory)
11 ... Battery lid (lid means)
21 .. lid exterior plate (lid member)
22 ... Inner packing support frame (lid member)
23 ... Annular packing support frame (lid member)
25 ... annular packing (first seal member)
26 ... Inner circumference packing (second seal member)
26b ... Projection (corner)

Claims (3)

In portable waterproof equipment,
A recess provided in the waterproof device, which requires waterproofing to the outside, and has an insertion port into which an accessory is inserted from the outside, and intersects the direction in which the accessory is inserted, and the entire circumference of the mouth of the insertion port A recess having a first surface provided on the second surface provided on the entire circumference of the mouth of the insertion port in parallel with the direction in which the accessory is inserted,
In order to waterproof the concave portion, lid means having a lid member that covers the concave portion, a first seal member that contacts the first surface, and a second seal member that contacts the second surface;
Equipped with,
The abutting portion of the second seal member that abuts on the second surface has a triangular cross section, and one of the corners projects annularly to the outer peripheral side, and abuts on the second surface. A waterproof device characterized by bending in the direction opposite to the accessory insertion direction . The said 2nd seal member generates force in the direction which opens the said insertion port to the said cover member, when said 2nd seal member contact | abuts to said 2nd surface. The waterproof equipment described . The waterproof according to claim 1, wherein the second surface is formed at a base of the insertion port, and the first surface is further formed in the insertion port than the second surface. machine.

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