JP2007207793A - Waterproof structure of portable apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof structure which can waterproof a portable apparatus without using a sealing member such as packing in a joint, etc. of a main body case constructed by joining partition cases together. <P>SOLUTION: An operation component which requires external operation force is so installed that an operating portion of the operation component may be stored inside the case, and an auxiliary operation member 6 having a flange protruding on the periphery is provided which is removably joined to the operation component. In the joint of the main body case, a through-hole 12-6 to pass the auxiliary operation member 6 through is formed across both partition cases. In the inner peripheral surface of the through-hole, a concave portion is formed with which the flange of the auxiliary operation member 6 is to be slidably engaged. Furthermore, in other part than the through-hole 12-6 in the joint of both partition cases, an engagement concave portion is formed in one partition case while an engagement convex portion 12-4 is formed in the other partition case. Both partition cases are joined together by inserting the flange of the auxiliary operation member 6 into the concave portion formed in the inner peripheral surface of the through-hole and engaging the concave and convex portions of the partition cases with each other. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention prevents rainwater from entering the case when rainwater or the like is applied to a portable device that is configured with the electronic device in a case and used outdoors. The present invention relates to a waterproof structure for protecting from the like.

  A portable device is generally configured by storing a desired electronic device in a case that can be divided, so that when used outdoors, rainwater or the like can be prevented from entering the case from the divided joint portion. A waterproof structure is required. The general waterproof structure used conventionally is configured as shown in Patent Document 1.

  That is, FIG. 10 shows the configuration shown in this Patent Document 1, and the packing accommodating groove 12- is formed on the joint surface with the upper case 11 of the lower case 12 of the main body case 1 divided into two parts. 6 is inserted into the groove 12-6, and the packing 14 made of an elastic material similar to the joint surface of the case is inserted, the upper case 11 is covered from above, and the upper and lower cases are tightened with the screws 15. The packing 14 is pressed to seal the gap between the joints of both cases. Then, a desired electronic device is accommodated in a main body case 1 which is formed by sealing the upper and lower cases 11 and 12 to constitute a portable device.

With such a configuration, the gap between the joint surfaces of the upper and lower cases is sealed by the packing 14, so that rainwater and the like can be prevented from entering the case, and the internal electronic devices can be protected from rainwater and the like. Further, when it is necessary to pull out a cylindrical part 3 such as a signal or power cable from the case 1, as shown in FIG. 11, an O-ring 3 having an inner diameter that matches the outer diameter of the cylindrical part 3. 1, semicircular grooves 11-2 and 12-2 having diameters that match the outer diameter of the O-ring 3-1 are respectively provided in the portions through which the cylindrical parts of the upper and lower cases 11 and 12 pass. The O-ring 3-1 is inserted into 11-2 and 12-2. Furthermore, a fitting groove 12-6 is fitted to the joint surface of the lower case 12 with the upper case 11 over almost the entire circumference, and a convex strip 11- fitted to the fitting groove 12-6 on the joint surface of the upper case. 8 and the fitting groove 12-6 is filled with a sealing material 15 made of silicone resin, and the upper case 12 is placed on the upper case 12-8 so as to be fitted into the protrusion 11-8 in the groove 12-6. Cover the case 11 and fasten with screws 15 to join. As a result, the ridges 11-8 of the upper case 11 press the sealing material 16 filled in the fitting grooves 12-6 of the lower case 12, thereby sealing the gaps between the joint surfaces.

With such a configuration, the joint surface of the case 1 and the penetrating portion of the cylindrical part are sealed, and intrusion of rainwater or the like into the case 1 can be prevented.
JP-A-10-324360

  Each of the above-described conventional waterproof structures has a problem that the manufacturing cost is high because fitting of a dedicated packing or filling of a sealing material is required on the joint surface of the divided case. And, for example, when installing an operation part that needs to be operated manually, such as a power switch of an electronic device housed in the case, which needs to be operated from the outside of the case, the case penetration part of the operation part that is particularly slid There is a problem that waterproof sealing becomes extremely difficult.

  In order to solve such a problem, the present invention can be portable with a low manufacturing price that can be waterproofed with a simple structure of the case through portion of the operation component without using a dedicated packing or the like. It is an object to provide a waterproof structure for a device.

  In order to solve the above-mentioned problem, the first invention forms a closed main body case by joining two divided cases, and an electronic device is accommodated in the main body case. In the portable device configured as described above, an operation component that requires external operation is attached to the electronic device so that an operation portion of the operation component is contained in the case, and is separably coupled to the operation component. A through hole having a size that is provided with an auxiliary operation member provided with a plate-shaped ridge projecting from the main body case and that can be moved in the operation direction through which the auxiliary operation member penetrates across the divided cases. Formed in the inner peripheral surface of the through hole, the groove of the auxiliary operation member is slidably fitted, the flange of the auxiliary operation member is inserted into the groove, and the two split cases The through hole in the joint Provide a groove for fitting in one split case and a protrusion for fitting in the other split case so that they can be fitted to each other except for the minute part, Both split cases are joined together.

  According to a second aspect of the present invention, a closed main body case is formed by joining two divided cases, and an electronic device is accommodated in the main body case. An opening for exchanging a part of the components of the electronic device is formed by cutting, and in a portable device configured to be detachably attached to the main body case, the opening of the main body case is formed. A groove that collects and drains water that enters from the seam is formed around the joint between the cover and the body case, which covers the opening, from the vicinity of the joint, and the cover that closes the opening is located below the body case. The cover is provided with a notch so as to open the drainage groove at the end.

  According to the first aspect of the invention, the joint surface of the two-part main body case is unevenly fitted, and the operation member connected to the operation part of the electronic device is used as the operation member in the portion that penetrates the main body case. Since the provided scissors are slidably fitted into the groove formed in the case, it is possible to prevent intrusion of rainwater etc. from the dividing surface of the main body case and the through part of the operation member, and the installation of a special packing And no need to fill with a sealing material, the manufacturing price can be reduced.

  According to the second invention, rainwater that has entered from the gap between the detachable cover that covers the replacement opening of the constituent parts of the main body case and the main body case is collected in a drainage groove provided around the opening. Since it is discharged outside the case, it is possible to prevent rainwater or the like from entering the case. Therefore, waterproofing can be performed without using packing or a sealing material even in the part replacement opening.

  Embodiments shown in the drawings of the present invention will be described below.

  FIG. 1 shows the overall configuration of the present invention, (A) is a front view, (B) is a left side view, (C) is a right side view, (D) is a top view, (E) is a bottom view, (F) is a rear view. FIG. 2 is an exploded perspective view thereof.

  In these drawings, reference numeral 1 denotes a main body case formed by joining a box-shaped upper case 11 and a lower case 12 which are divided. The case 1 includes an antenna 2, a cable 3, and a round LED indicator lamp 9 that are drawn from a printed circuit board 7 on which an internal electronic device is mounted as a cylindrical part that protrudes from the outer peripheral side wall of the case 1. Furthermore, a slide switch 5 that needs to be operated from the outside is attached to the printed circuit board 7, and an auxiliary operation member 6 that is separably engaged with the slide switch 5 passes through the outer peripheral side wall of the case 1 in a predetermined operation direction. It is slidably mounted. In addition, an opening 11-1 for replacing the battery is provided below the upper case 11 in a portion for housing a replacement component, for example, a battery. The opening 11-1 is detachable and slidable. The cover 13 is closed.

  Since the main body case 1 configured in this way has many seams, the following waterproof measures are taken according to the present invention to prevent water such as rainwater from entering into the case from this portion. It has been subjected.

  First, as shown in FIGS. 7 to 9, the antenna 2, the cable 3, and the case 1 of the round LED indicator lamp 9, which are cylindrical parts, have the antenna 2, Rubber O-rings 2-1, 3-1, and 9-1 having inner diameters corresponding to the respective diameters are attached to the cable 3 and the round LED indicator lamp 9, and each O of the upper case 11 and the lower case 12 is attached. Semi-circular grooves 11-2, 11-3 and 11-9 having diameters corresponding to the outer diameters of the respective O-rings are respectively formed in the upper case 11 and the semi-circular grooves 12-2. , 12-3 and 12-9 are provided in the lower case 12, and O-rings 2-1, 3-1, and 9-1 attached to the cylindrical parts are respectively fitted in the respective grooves to seal the gaps in the through portions. To do.

  In order to prevent water from entering the slide switch 5 that requires operation from the outside, the operation knob 5-1 of the slide switch 5 penetrates the case 1 as shown in detail in FIGS. It is attached to the printed circuit board 7 in the case 1 so as not to project directly to the outside. The auxiliary operation member 6 is mounted through the through holes 11-6 and 12-6 of the case 1 so as to face the slide switch 5. The auxiliary operation member 6 has an operation knob 6-1 on the distal end side, a flat plate-like flange 6-2 protruding over the entire circumference, and a slide of the operation knob 5-1 of the slide switch 5 on the proximal end side. Engagement protrusions 6-3 are formed so as to be sandwiched from both sides in the direction so as to be separable from each other. The through hole of the portion of the case 1 through which the auxiliary operation member 6 passes is widened so that the auxiliary operation member 6 can slide by the stroke of the operation knob 5-1 necessary for the operation of the slide switch (FIG. 5), grooves 11-61 (upper case 11) and 12-61 (lower case 12) into which the flange 6-2 of the auxiliary operation member 6 is fitted are formed on the inner peripheral surface thereof. The case 1 (11, 12) is slidably supported by fitting the flange 6-1 into these grooves.

  As shown in detail in FIG. 6, on the other joint surface of the upper case 11 and the lower case 12, a fitting groove 11-4 is fitted on the upper case 11 side, and this groove is fitted on the lower case 12 side. A convex ridge 12-4 for fitting is provided, and when the upper case 11 and the lower case 12 are joined, the groove 11-4 and the ridge 12-4 are concavo-convexly fitted.

  Further, the opening 11-1 for exchanging components provided in the upper case 11 is closed with the cover 13. The joint between the cover 13 and the case 11 (see FIG. 1A). As shown in FIG. 3, the peripheral wall 11-12 that protrudes from the opening surface and surrounds the opening 11-1 is provided on the outer periphery of the opening 11-1 of the upper case 11, as shown in FIG. When the cover 13 is covered with the cover 13 and closed, the inner surface is joined to the peripheral wall 11-12. Further, strip walls 11-14 projecting in parallel with the outer walls of the peripheral walls 11-12 on both the left and right sides of the opening 11-1 are provided, and the peripheral walls 11-12, 11-14, A drainage groove 11-13 opened upward is formed between the lower end of the upper case 11 and the upper part. Further, a water collecting groove 11-15 is provided in the peripheral wall portion on the upper side of the opening 11-1, extending from the middle to the left and right outer sides and communicating with the draining groove 11-13. A notch 13-1 (see FIGS. 1 and 2) is formed at a position facing the drainage grooves 11-13 provided on the left and right sides of the opening 11-1 at the lower end of the opening / closing cover 13 covering the opening 11-1. The drainage groove 11-13 is opened to the outside of the case.

  The upper case and the lower case 12 housing the printed circuit board 7 on which the antenna 2, the cable 3, the slide switch 5, the round LED indicator lamp 9 and other required electronic devices are mounted are disposed on the end surfaces of the peripheral side walls. By connecting the formed groove 11-4 and the protruding line 12-4 in a concavo-convex manner, the antenna 2, the cable 3, and the round LED indicator lamp 9 and the auxiliary operation member 6 corresponding to the through-mounting member correspond to each other. Hold by the through hole. At this time, an O-ring is attached as a seal member to the fixed penetrating component. The auxiliary operating member 6 of the movable penetrating part has its flange 6-2 in grooves 11-61 and 12-61 provided on the inner peripheral surfaces of the through holes 11-6 and 12-6 on the peripheral side walls of the cases 11 and 12. It is clamped by the cases 11 and 12 by being inserted. The joined upper and lower cases 11, 12 are tightened and joined with screws 15, so that the integrated main body case 1 is finished.

  An auxiliary operation member 6 that is attached through the peripheral side wall of the case for operating the slide switch 5 from the outside is inserted into the peripheral side wall through through holes 11-6 and 12-6 that are movable in the operation direction. Since the operation member provided with a flat plate-like flange 6-2 projecting to the periphery on the inner peripheral surface of the through hole is inserted into the grooves 11-61, 12-61 having a movable depth, the upper and lower cases 11, When the operation knob 6-1 is operated in the vertical direction as indicated by the arrow shown in FIG. 5 while being sandwiched by 12, the collar 6-2 of the auxiliary operation member 6 slides in the groove 12-61. Then, the auxiliary operation member 6 moves up and down. This movement is transmitted to the operation knob 5-1 of the slide switch 5 engaged with the engagement protrusion 6-3 of the auxiliary operation member 6, and the opening / closing of the switch 5 is operated. A replacement device such as a battery is placed in a component replacement opening 11-1 provided in the upper case 11, and a slide-type opening / closing cover 13 is covered to close the device, whereby a portable device is obtained.

  By configuring in this way, the penetrating portion through which the fixed penetrating part of the peripheral side wall of the box-shaped main body case 1 penetrates is sealed by an O-ring, and the divided upper case 11 and lower case mating surface and movable penetrating The penetrating part through which the part penetrates is an uneven fitting by fitting between the groove 11-4 and the protrusion 12-4 and fitting between the auxiliary operating member flange 6-2 and the sliding grooves 11-61 and 12-61. It will be sealed by joining. For this reason, it is possible to prevent rainwater from entering the case main body 1 from the mating surfaces of the component penetration part and the upper and lower cases even if rainwater or the like is applied to the main body case 1 when being carried. Since it is not necessary to interpose a special packing or sealing material in the penetrating part of the movable penetrating part, the configuration is simplified.

  Furthermore, since a gap is formed at the joint between the cover 13 and the case 11 at the part where the opening / closing cover 13 is covered with the part replacement opening 11-1 provided in the case 11, rainwater will flow from this part if left unattended. Infiltrate. In the present invention, as described above, the drain 11-11 is provided on both the left and right sides of the peripheral wall 11-2 so as to surround the opening 11-1, and the cover 13 and the case 11 when the cover 13 is covered. A drainage groove 11-15 extending from the middle position to the left and right sides and communicating with the drainage groove 11-13 is provided on the upper side of the peripheral wall 11-12 located at the joint with Since the notch 13-1 is provided at a location facing the use groove 11-13, water such as rainwater entering from the gap between the cover 13 and the case 11 is collected in the collection groove 11-15. Into the drainage groove 11-13. Since the lower end of the drainage groove 11-13 is opened by a notch 13-1 provided in the cover 13, the water flowing into the drainage groove 11-13 flows from the notch 13-1 of the lower cover. It is discharged to the outside and is prevented from flowing into the case from the opening 11-1.

  As described above, the part replacement opening 11-1 can also be provided with a function of preventing intrusion of rainwater or the like without using a special seal member, and an effect of simplifying the structure can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS It is a plane block diagram which shows the Example of this invention, (A) is a front view, (B) Left side view, (C) is a right side view, (D) is a top view, (E) is a bottom view, F) is a rear view. It is a disassembled perspective view which shows the Example of this invention. It is a front view which shows the state which removed the cover of the Example of this invention. It is a longitudinal cross-sectional view which expands and shows the cross section of the DD line | wire in FIG. It is a cross-sectional view which expands and shows the a part in FIG. It is a longitudinal cross-sectional view which expands and shows the cross section of the EE line in FIG. It is a longitudinal cross-sectional view which expands and shows the cross section of the CC line | wire in FIG. It is a longitudinal cross-sectional view which expands and shows the cross section of the AA in FIG. It is a longitudinal cross-sectional view which expands and shows the cross section of the BB line in FIG. The structure of a prior art example is shown, (A) is an exploded perspective view, (b) is a partial expanded sectional view. The structure of another prior art example is shown, (A) is a top view, (B) is a longitudinal cross-sectional view which shows the cross section of the GG line in (A).

Explanation of symbols

1: Main body case 11: Upper case 11-1: Parts replacement opening 11-12: Peripheral wall 11-13: Drainage groove 11-15: Water collecting groove 11-4: Fitting groove 12: Lower case 12- 4: Fitting ridge 13: Opening / closing cover 2: Antenna 3: Cable 5: Slide switch 5-1: Slide switch operation knob 6: Auxiliary operation member 6-1: Operation knob 6-2: 鍔 6-3; Engagement Protrusion

Claims (2)

  In a portable device configured to form a closed main body case by joining two divided cases to each other and housing the electronic device in the main body case, the electronic device is external to the electronic device. An auxiliary operation member having a plate-like ridge projecting from the outer periphery is attached to the operation part so that the operation part of the operation part fits in the case and is detachably coupled to the operation part. The auxiliary operation member penetrates the two divided cases at the divided joint portion of the main body case, and a through hole having a size movable in the operation direction is formed. The auxiliary hole is formed on an inner peripheral surface of the through hole. Provided with a groove in which the flange of the operation member is slidably fitted, and the flange of the auxiliary operation member is inserted into this groove, and further fitted to the portions other than the through hole portion of the joint portion of the two split cases. One to be combined The split case is provided with a fitting groove, and the other divided case is provided with a fitting protrusion, and the two grooves are joined to each other by fitting the groove and the protrusion to each other. Waterproof structure of equipment.   The two divided cases are joined to each other to form a closed main body case, and the electronic device is accommodated in the main body case, and a part of the main body case is cut away to form the main body case. In a portable device formed by forming an opening for replacement of some components and detachably attaching a cover that closes the opening to the main body case, around the opening of the main body case, A groove that collects and drains water entering from the joint is formed from the vicinity of the joint of the cover and the main body case to the lower end of the case, and the cover that closes the opening is the drain groove at the lower end of the main body case. A waterproof structure for a portable device, wherein the cover is provided with a notch so as to open the cover.

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