JP2013153095A - Drip-proof structure for battery housing part and electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drip-proof structure for a battery housing part and an electronic device, the drip-proof structure being capable of preventing a water droplet from entering the inside of a case of the device at the time of battery replacement.SOLUTION: In a first approach part, a periphery of a battery cover 15 that openably covers a battery housing part 10 of an inner case 4 approaches a periphery of a battery opening part 3a of a lower case 3, and the first approach part is hermetically sealed by a first packing 13a when the battery cover 15 is closed. In a second approach part, a periphery of the battery housing part 10 of the inner case 4 approaches the periphery of the battery opening part 3a of the lower case 3, and the second approach part is hermetically sealed by a second packing 13b. Accordingly, at the time of outdoor use in rainy weather, a water droplet can be reliably prevented from entering the inside of the battery housing part 10 from the first approach part. At the time of outdoor battery replacement in rainy weather, a water droplet can be prevented from entering the inside of a device case 1 from the second approach part.

Description

  The present invention relates to a drip-proof structure for a battery storage unit and an electronic device used in electronic devices such as a portable information terminal, a mobile phone, and a notebook personal computer.

  For example, as described in Patent Document 1, an electronic device such as a mobile phone has a configuration including a battery storage structure that detachably stores a battery pack in a battery storage unit provided in a device case. Are known.

JP 2007-31255 A

  This type of battery storage structure is configured by uniting the upper case, the lower case, and the middle case with screws, and the battery storage part for storing the battery pack in the middle case of this device case is the lower case. It is comprised so that it may expose outside from the battery opening part. In this case, the battery pack is provided with a ring mounting groove on the outer peripheral surface thereof, and the waterproof ring mounted in the ring mounting groove is in elastic contact with the inner surface of the battery storage unit to prevent water droplets from entering the battery storage unit. It is configured.

  Moreover, in this battery storage structure, the step part is provided in the inner surface of the battery storage part located in the bottom side rather than the location where the waterproof ring of a battery pack contacts elastically. Thereby, in this battery storage structure, when the battery pack is taken out from the battery storage part in a state where water is accumulated in the gap located outside the waterproof ring of the battery pack, water drops are temporarily received by the step part. This makes it difficult for water droplets to flow into the bottom of the battery housing.

  However, in such a battery storage structure, when the battery pack is used outdoors in rainy weather, the waterproof ring of the battery pack is in elastic contact with the inner surface of the battery storage section, so that water droplets such as rainwater enter the battery storage section. If there is a gap between the middle case with the battery compartment and the lower case with the battery opening, water droplets will enter the device case from the gap and the There is a risk of adversely affecting the electronic circuits in the equipment.

  Also, when replacing batteries outdoors in the rain, if there is a gap between the middle case with the battery compartment and the lower case with the battery opening, In addition to the risk of water droplets entering the battery pack, when the battery pack is removed from the battery compartment, water droplets that have accumulated on the outside enter the battery compartment, and the water droplets that enter the step are provided on the inner surface of the battery compartment. Even if it is once received by the unit, the received water droplets may flow into the bottom of the battery storage unit.

  In such a case, if the connection electrode or the card mounting portion is exposed in the battery housing portion, the water droplet once received by the step portion flows into the bottom portion of the battery housing portion. However, there is a problem that the device enters the device case through the connection electrode or the card mounting portion and adversely affects the electronic circuit in the electronic device.

  The problem to be solved by the present invention is to provide a drip-proof structure for a battery housing part and an electronic device that can prevent water droplets from entering the device case when the battery is replaced.

  The present invention includes a first case, a second case, and a third case disposed inside the first case and the second case, and a battery in which the battery is accommodated in the third case. In the drip-proof structure of the battery housing portion provided in a state where the housing portion is opened to the outside from the battery opening portion of the second case, and the battery lid is closed so that the battery lid can be opened and closed, the battery lid The first approaching part where the peripheral part of the battery and the peripheral part of the battery opening of the second case approach each other is airtight by the first drip-proof member when the battery cover closes the battery opening, The second approaching portion where the peripheral portion of the battery housing portion of the third case and the peripheral portion of the battery opening portion of the second case approach each other is sealed by a second drip-proof member. This is a drip-proof structure for the battery storage unit.

  According to the present invention, when used outdoors in the rain, the battery lid is closed to close the battery opening of the second case, so that the peripheral edge of the battery lid and the peripheral edge of the battery opening of the second case Water droplets can be prevented from entering the battery compartment from the first approach part between the battery and the battery compartment when the battery is replaced outdoors when it rains. However, it is possible to prevent the infiltrated water droplets from entering the device case from the second approaching portion between the peripheral portion of the battery housing portion of the third case and the peripheral portion of the battery opening portion of the second case. .

It is the front view which showed one Embodiment which applied this invention to the portable information terminal. FIG. 2 is a rear view of the portable information terminal shown in FIG. 1. FIG. 3 is an enlarged cross-sectional view of a main part of the portable information terminal shown in FIG. FIG. 3 is an enlarged cross-sectional view of a main part of the portable information terminal shown in FIG. FIG. 3 is an enlarged perspective view of a main part showing a state in which a battery cover of the portable information terminal shown in FIG. 2 is opened. FIG. 6 is an enlarged perspective view illustrating a battery pack stored in a battery storage unit of the portable information terminal illustrated in FIG. 5. FIG. 6 is an enlarged plan view of a main part showing the inside of a battery storage part of the portable information terminal shown in FIG. 5. FIG. 8 is an enlarged plan view of a main part showing a state in which a memory lid of the battery storage unit shown in FIG. 7 is removed. FIG. 8 is an enlarged perspective view illustrating a memory lid in the battery storage unit illustrated in FIG. 7. FIG. 6 is an enlarged perspective view in which a main part is cut away in the CC arrow direction of the portable information terminal shown in FIG. 5.

Hereinafter, an embodiment in which the present invention is applied to a portable information terminal will be described with reference to FIGS.
As shown in FIGS. 1 and 2, the portable information terminal includes a device case 1. As shown in FIGS. 1 to 3, the device case 1 includes an upper case 2, a lower case 3, and a middle case 4.

  As shown in FIGS. 1 and 2, the device case 1 is formed in a substantially rectangular box shape that is long in the vertical direction (vertical direction in FIG. 1). In this case, the device case 1 is formed with a narrow grip portion 1a on the front side (lower side in FIG. 1), and formed with a wide printer mounting portion 1b on the front end side (upper side in FIG. 1). It is configured. An input display portion 5 and a key input portion 6 are provided on the grip portion 1 a in the upper case 2 of the device case 1.

  The input display unit 5 has a transparent touch panel arranged on the surface of the display panel, and information displayed on the display panel can be seen through the transparent touch panel, and the touch panel is touched while viewing the displayed information. , Configured to input information. The key input unit 6 includes various keys such as a numeric keypad and a function key, and is configured to input information by key operation.

  Further, as shown in FIG. 1, a printer unit 7 and a printer cover 8 are provided in the printer mounting portion 1 b in the upper case 2 of the device case 1. The printer cover 8 covers a recording paper storage unit (not shown) so as to be freely opened and closed, and is rotatably attached to an edge located at the upper side of the recording paper storage unit. The recording paper storage unit is configured to store roll-shaped recording paper in a rotatable state.

  As shown in FIG. 1, the printer unit 7 includes a print head (not shown) provided on the grip 1a side in the recording paper discharge port 7a and a position opposite to the print head in the recording paper discharge port 7a. And a platen roller (not shown) provided at a location to be used. Although not shown, the printer unit 7 is configured to print information on a recording sheet fed between the print head and the platen roller by the print head.

  Further, as shown in FIGS. 1 and 2, a card reader unit 9 is provided on the front side portion (the lower end side in FIG. 1) of the device case 1. The card reader unit 9 includes a card insertion slot 9a for reading information stored in a memory card such as a magnetic card. The card reader 9 is inserted into the card insertion slot 9a and slid to be stored in the memory card. Is configured to read information.

  On the other hand, as shown in FIGS. 3 to 5, in the grip portion 1 a in the lower case 3 of the device case 1, a battery storage portion 10 for detachably storing the battery pack 11 is provided on the lower side of the lower case 3 (see FIGS. 4 and 4). In FIG. 5, it is provided in an open state on the upper side. The battery pack 11 is a rechargeable battery, and is configured to supply a sufficient current, that is, a large current to the printer unit 7 when the printer unit 7 prints information on recording paper. That is, as shown in FIG. 6, the battery pack 11 is formed in a substantially rectangular box shape. On one side surface of the battery pack 11 (the right side surface in FIG. 6), a battery electrode 11a is exposed.

  As shown in FIGS. 3 and 4, the battery storage unit 10 is provided in the middle case 4 provided in the lower case 3. In this case, the lower case 3 is provided with a battery opening 3a into which the battery pack 11 is inserted. The middle case 4 is for attaching a circuit board (not shown) on which various electronic components necessary for information processing are mounted, and the battery housing portion 10 is provided at a position corresponding to the battery opening 3 a of the lower case 3. Is formed in a concave shape.

  As shown in FIGS. 3 to 5, the battery storage unit 10 is configured to be opened and closed by a battery lid 15. The battery lid 15 is rotatably attached to a support shaft 16 provided at the edge of the battery opening 3a of the lower case 3 along a direction orthogonal to the longitudinal direction (vertical direction in FIG. 2) of the device case 1. Yes. As shown in FIG. 5, the battery lid 15 is provided on a curved lid body portion 15a continuous with the outer shape of the lower case 3 when the battery housing portion 10 is closed, and on the inner surface of the lid body portion 15a. And a frame-like portion 15b.

  As shown in FIG. 3 and FIG. 5, the first approach part where the peripheral part of the battery cover 15 and the peripheral part of the battery opening 3 a of the lower case 3 approach each other closes the battery housing part 10. In this case, the first packing 13a which is the first drip-proof member is configured to be airtight. In this case, the first approach portion includes a concave groove 3b continuously formed in a frame shape around the periphery of the battery opening 3a of the lower case 3 that opens the battery housing portion 10, and the battery lid 10 It has a frame-like convex part 15c which is formed at the tip part of the frame-like part 15b and fits into the concave groove 3b.

  The first packing 13a is a waterproof ring made of an elastic material such as rubber or elastomer. As shown in FIG. 3, the convex portion 15c of the battery lid 15 is disposed in the concave groove 3b of the lower case 3 as shown in FIG. It is comprised so that it may press-contact. Thereby, when the battery cover 15 closes the battery housing part 10, the first approach part has a frame-like convex part 15 c of the battery cover 10 in the concave groove 3 b of the lower case 3 in which the first packing 13 a is arranged. Are fitted and pressed against the first packing 13a, so that the battery opening 3a of the lower case 3 is sealed.

  Further, as shown in FIG. 3 and FIG. 4, the second drip-proof portion where the peripheral portion of the battery housing portion 10 of the middle case 4 and the peripheral portion of the battery opening 3 a of the lower case 3 come close to each other. It is comprised so that it may be sealed with the 2nd packing 13b which is a member. The second approach portion is located on the outer surface 4a of the middle case 4 located around the periphery of the battery housing 10 and the outer surface 4a of the middle case 4 located around the periphery of the battery opening 3a of the lower case 3. And the second packing 13b is arranged between the outer surface 4a of the intermediate case 4 and the inner surface 3c of the lower case 3.

  Like the first packing 13a, the second packing 13b is a waterproof ring made of an elastic material such as rubber or elastomer. As shown in FIG. 4, the middle case 4 is fastened to the lower case 3 by screws 12 as fastening members. When this is done, the outer surface 4a of the middle case 4 and the inner surface 3c of the lower case 3 are pressed against each other. Thus, the second approaching portion is arranged such that the second packing 13b is pressed between the outer surface 4a of the middle case 4 and the inner surface 3c of the lower case 3, so that the peripheral edge of the battery housing portion 10 of the middle case 4 is arranged. And the periphery of the battery opening 3a of the lower case 3 are sealed.

  Further, the peripheral edge of the upper case 2 and the peripheral edge of the lower case 3 are configured to be sealed by the third packing 13c as shown in FIG. That is, the third packing 13c is disposed in a concave groove provided along the peripheral edge of the upper case 2, and in this state, the third packing 13c is provided along the peripheral edge of the lower case 3 so as to be within the concave groove of the upper case 2. When the convex part which fits to press-contacts, it is comprised so that between the peripheral part of the upper case 2 and the peripheral part of the lower case 3 may be sealed.

  Incidentally, a connection electrode 14 is provided on the inner surface of the battery housing 10 as shown in FIGS. The connection electrode 14 is a leaf spring to which the battery electrode 11a of the battery pack 11 contacts and is connected, and has a configuration in which a part of the metal plate is bent into a U shape. In addition, the connection electrode 14 is disposed in a state of being isolated in a small chamber 4 b provided on a side surface portion of the battery storage unit 10 of the middle case 4.

  That is, as shown in FIG. 3, the small chamber 4b is provided on the side surface portion of the battery housing portion 10 so as to protrude outward, and the connection substrate 14a to which the connection electrode 14 is connected is disposed on the protruding outside. The connection electrode 14 is hermetically sealed. In this case, the connection electrode 14 is attached to the connection substrate 14a at a location corresponding to the small chamber 4b in a state in which a portion bent in a U shape is elastically protruded into the battery housing portion 10.

  As shown in FIG. 3, the connection substrate 14a is configured to seal the small chamber 4b by being adhered to the outer surface of the small chamber 4b by an adhesive 14b such as a double-sided tape. Further, the connection substrate 14a is configured such that only the wiring to which the connection terminal 14 is connected is exposed in the small room 4b, but the other wiring is not exposed in the small room 4b.

  Further, as shown in FIGS. 3 and 7, the battery storage unit 10 is inserted into the battery storage unit 10 with the connection electrode 14 corresponding to the battery electrode 11 a of the battery pack 11. It is configured as follows. In the battery storage unit 10, the inserted battery pack 11 is slid toward the connection electrode 14, so that the battery electrode 11 a of the battery pack 11 elastically contacts the connection electrode 14 protruding into the battery storage unit 10. The battery pack 11 is configured to be electrically connected.

  In this case, between the middle case 4 and the upper case, as shown in FIGS. 3 and 8, a card mounting portion 31 for mounting the memory card 30 is provided corresponding to the bottom of the battery storage portion 10. Yes. The memory card 30 is a communication card such as a SIM card. The card mounting portion 31 is a portion on which the memory card 30 is detachably mounted, and is disposed between the middle case 4 and the upper case.

  Further, as shown in FIGS. 7 to 9, a card insertion hole 33 into which the memory card 30 is inserted is provided at the bottom of the battery storage unit 10 in correspondence with the card mounting unit 31. A card lid 34 is detachably attached to the card insertion hole 33. In this case, a drip-proof portion 35 is provided at a portion where the card lid 34 is attached to the card insertion hole 33. The drip-proof portion 35 is provided along the periphery of the card cover 34 and faces the inner peripheral surface of the card insertion hole 33, and the drip-proof portion 35 is disposed in the concave groove 35 a and is arranged on the inner periphery of the card insertion hole 33. And a card lid packing 35b that is in pressure contact with the surface.

  As a result, as shown in FIGS. 7 to 9, when the card cover 34 is attached to the card insertion hole 33 provided at the bottom thereof, the battery storage unit 10 is disposed in the concave groove 35 a of the card cover 34. A portion of the card lid packing 35b protruding from the inside of the concave groove 35a is pressed against the inner peripheral surface of the card insertion hole 33, thereby sealing the card insertion hole 33 and preventing water droplets from entering the card mounting portion 31. Has been.

  By the way, as shown in FIGS. 5 and 10, the battery storage structure includes a locking member 17 that removably locks the battery pack 11 inserted in the battery storage portion 10 in the battery storage portion 10, and A guide pressing portion 18 is provided between the inner surface of the battery housing portion 10 that is opposite to the connection electrode 14 and the side surface of the battery pack 11 that faces the connection electrode 14 and presses the battery pack 11 toward the connection electrode 14. ing.

  As shown in FIG. 10, the locking member 17 slides the battery pack 11 in a state where the battery electrode 11 a of the battery pack 11 inserted into the battery storage portion 10 faces the connection electrode 14 in the battery storage portion 10. By doing so, the battery pack 11 is configured to be detachably locked in the battery storage unit 10.

  That is, as shown in FIG. 10, the locking member 17 is provided on the inner surface of the battery storage unit 10 along the sliding direction of the battery pack 11 and protrudes toward the opposite side of the connection electrode 14. When the battery pack 11 is inserted into the battery housing 10 and slid toward the connection electrode 14, the locking projection 20 is provided on each side surface along the sliding direction of the battery pack 11. And an engaging groove 21 to be engaged.

  As shown in FIG. 10, the locking projection 20 is an inverted L-shaped hook provided on the inner surface of the battery storage unit 10 along the sliding direction of the battery pack 11, and is provided along the vertical direction. A support piece 20a and a projection piece 20b provided at an end of the support piece 20a and projecting toward the opposite side of the connection electrode 14 are provided.

  As shown in FIG. 10, the engaging groove 21 is a groove provided on each side surface on both sides along the sliding direction of the battery pack 11 and engaged with the locking projection 20, and the battery pack 11 is connected to the battery housing portion. An insertion groove 21a into which the locking projection 20 is inserted when inserted into the battery 10, and a protruding piece 20b of the locking projection 20 when the battery pack 11 is slid toward the connection electrode 14 in the battery storage unit 10. Is provided with an engaging groove 21b to be inserted and engaged.

  As a result, as shown in FIG. 10, when the battery pack 11 inserted into the battery storage portion 10 slides, the protrusion 20 b is inserted into the engagement groove 21 b of the engagement groove 21. And is configured to be locked. Therefore, when the battery pack 11 is stored in the battery storage unit 10 and the protruding piece 20b of the locking projection 20 is locked to the engagement groove 21b of the engagement groove 21, the battery pack 11 is stored in the battery storage unit 10. The position of the battery pack 11 in the insertion / removal direction (vertical direction in FIG. 10) is regulated.

  On the other hand, as shown in FIGS. 3 to 5, the guide presser 18 protrudes toward the inside of the battery housing 10 at the end of the battery lid 15 located on the opposite side of the connection electrode 14 in the battery housing 10. It is provided in the state. When the battery cover 15 closes the battery housing part 10, the guide presser part 18 is formed between the inner surface 10a located on the opposite side of the connection electrode 14 of the battery housing part 10 and the side surface 11b of the battery pack 11 facing this. The battery pack 11 has an insertion pressing surface portion 22 that gradually presses the battery pack 11 toward the connection electrode 14 while being gradually inserted.

  As shown in FIGS. 3 to 5, the insertion pressing surface portion 22 faces the inner surface 10 a located on the side opposite to the connection electrode 14 of the battery housing portion 10 when the battery lid 15 closes the battery housing portion 10. The insertion guide surface portion 22a that is gradually inserted between the side surface 11b of the battery pack 11 and the pressing surface portion 22b that gradually pushes the battery pack 11 toward the connection electrode 14 when the battery cover 15 closes the battery housing portion 10. Are formed into a bent surface shape.

  Accordingly, the insertion pressing surface portion 22 is opposite to the connection electrode 14 of the battery housing portion 10 when the battery lid 15 rotates around the support shaft 16 to close the battery housing portion 10 in which the battery pack 11 is housed. The battery pack 11 is gradually inserted between the inner surface 10a located at the side and the side surface 11b of the battery pack 11 opposite to the inner surface 10a and pressed against the connection electrode 14.

  Further, as shown in FIG. 5, the guide pressing portion 18 is formed in a plate shape at the end portion of the battery lid 15 along a direction orthogonal to the sliding direction of the battery pack 11. For this reason, a reinforcing rib 23 is provided on the outer surface located on the opposite side of the inner surface of the guide presser 18 that contacts the battery pack 11. The reinforcing ribs 23 are formed in a lattice shape on the outer surface of the guide presser portion 18. Thereby, as shown in FIG. 5, the reinforcement rib 23 is comprised so that the intensity | strength of the guide pressing part 18 formed in plate shape may be reinforced.

  On the other hand, when the battery pack 11 inserted therein is slid to bring the battery electrode 11a of the battery pack 11 into contact with the connection electrode 14, as shown in FIGS. A position restricting member 24 that protrudes into the battery housing 10 so as to protrude and retract and restricts the position of the battery pack 11 in the sliding direction is provided in a state surrounded by the rib 4 c of the middle case 4. As shown in FIG. 4, a waterproof sheet 24 a is attached to the lower part of the rib 4 c of the middle case 4.

  As shown in FIG. 4, the position restricting member 24 includes a position restricting button 25 disposed on the lower side of the bottom of the battery housing 10 at a position opposite to the connection electrode 14, and the position restricting button 25 as a battery. A leaf spring 26 urged so as to be able to appear and retract toward the inside of the storage unit 10 is provided. In this case, the position restricting button 25 includes a button main body 25 a that is operably disposed in the vertical direction below the battery housing portion 10, and an insertion hole 10 b provided on the button main body 25 a at the bottom of the battery housing portion 10. And a lock portion 25b inserted so as to be able to appear and retract.

  As shown in FIG. 4, the leaf spring 26 has one end portion 26a elastically contacting the lower surface of the button body 25a of the position regulating button 25 and the other end portion 26b fixed to the lower surface of the middle case 4. In this state, the button body The lock portion 25b is pushed out into the battery housing portion 10 by elastically pushing up 25a. As a result, when the battery pack 11 is inserted into the battery housing part 10, the position restricting member 24 causes the battery pack 11 to prevent the lock part 25 b of the position restricting button 25 from resisting the spring force of the leaf spring 26. 10 is configured to be pushed downward from the inside.

  Further, as shown in FIG. 4, the position restricting member 24 connects the battery pack 11 to the connection electrode in a state where the lock portion 25b of the position restricting button 25 is pressed by the battery pack 11 inserted into the battery accommodating portion 10. 14, when the button body 25 a of the position regulating button 25 is pushed up by the spring force of the leaf spring 26 and the lock portion 25 b is pushed into the battery housing portion 10, the pushed lock The side surface 11b of the battery pack 11, that is, the side surface 11b of the battery pack 11 located on the side opposite to the battery electrode 11a is in contact with the portion 25b, and the position of the battery pack 11 in the sliding direction is regulated.

  As shown in FIGS. 2 and 5, the lower case 3 is provided with a pair of lid lock members 27 that lock the battery lid 15 so as to be detachable. The pair of lid lock members 27 includes a lock portion 27a rotatably provided on both sides of the edge of the battery opening 3a of the lower case 3 located on the opposite side of the support shaft 16 of the battery lid 15, and the lock And an operation lever 27b that is provided on the portion 27a and rotates the lock portion 27a.

  In this case, as shown in FIG. 5, the lock portion 27 a can be rotated in a semicircular lock groove 28 provided on an edge portion of the battery lid 15 on the opposite side of the support shaft 16. It is arrange | positioned and it is comprised so that the latching hook part 28a provided in this lock groove 28 may be engaged / disengaged. In addition, the lock portion 27a is configured to be rotated by the operation of the operation lever 27b, and to release the lock on the locking collar portion 28a in the lock groove 28 when the lock portion 27a is detached from the lock groove 28.

  Thereby, as shown in FIG. 2, the pair of lid lock members 27 corresponds to the lock portions 27 a corresponding to the lock grooves 28 of the battery lid 15 when the battery lid 15 closes the battery housing portion 10. In this state, when the operation lever 27b is operated to rotate the lock portion 27a, a part of the lock portion 27a is disposed in the lock groove 28, and the locking collar portion 28a in the lock groove 28 is moved to the lower case 3. The battery cover 15 is configured to be locked by being pressed toward the battery.

Next, the operation of the battery housing structure in this portable information terminal will be described.
When the battery pack 11 is attached to the battery storage unit 10, first, the battery cover 15 is rotated to open the battery storage unit 10. At this time, the operation lever 27b of the pair of lid lock members 27 is operated to disengage the lock portion 27a from the locking collar portion 28a in the lock groove 28, and the battery lid 15 is unlocked by the pair of lid lock members 27. . Thereby, when the battery cover 15 is rotated around the support shaft 16 of the battery cover 15, the battery storage unit 10 is opened.

  In this state, the battery pack 11 is inserted into the battery storage unit 10. At this time, the battery electrode 11a of the battery pack 11 is made to correspond to the connection electrode 14 of the battery housing part 10, and the battery pack 11 is inserted into the battery housing part 10 from the battery opening 3a of the lower case 3 in this state. Then, the locking protrusions 20 provided on the inner surface of the battery storage unit 10 are relatively moved and inserted into the insertion grooves 21a of the engagement grooves 21 provided on the respective side surfaces along the sliding direction of the battery pack 11. At the same time, the lock portion 25 b of the position restriction button 25 of the position restriction member 24 protruding from the bottom of the battery housing portion 10 is pushed down against the spring force of the leaf spring 26 by the battery pack 11.

  Then, the battery pack 11 is slid to press the battery electrode 11 a of the battery pack 11 against the connection electrode 14 in the battery storage unit 10. At this time, as the battery pack 11 slides, the protruding piece 20 b of the locking protrusion 20 of the battery storage unit 10 moves from the insertion groove 21 a of the engaging groove 21 of the battery pack 11 to the engaging groove 20 b of the engaging groove 21. Insert relative to the inside. Accordingly, the battery pack 11 is restricted from moving in the insertion / removal direction with respect to the battery storage unit 10, that is, the vertical position within the battery storage unit 10.

  At this time, since the side surface 11b of the battery pack 11 is separated from the lock portion 25b of the position restriction button 25 of the position restriction member 24 by the slide of the battery pack 11, the position restriction button 25 is pushed up by the spring force of the leaf spring 26. The lock portion 25b protrudes into the battery housing portion 10. When the protruding lock portion 25b of the position restricting button 25 comes into contact with the side surface 11b of the battery pack 11, the movement of the battery pack 11 in the sliding direction within the battery storage portion 101 is restricted.

  As a result, the battery pack 11 is temporarily fixed in the battery housing portion 10 while the movement in the insertion / removal direction (vertical direction) and the sliding direction (left-right direction) with respect to the battery housing portion 10 is restricted. In this state, the battery cover 15 is closed to close the battery storage unit 10. At this time, when the battery lid 15 rotates around the support shaft 16, the guide pressing portion 18 provided on the battery lid 15 and the inner surface 10 a located on the side opposite to the connection electrode 14 of the battery storage portion 10 and the battery facing this. The battery pack 11 is inserted into the side surface 11b of the pack 11 and pressed toward the connection electrode 14.

  Then, the battery lid 15 that is closed by closing the battery housing 10 is locked by the lid lock member 27. At this time, the lock portion 27 a is disposed in the lock groove 28 of the battery lid 15. In this state, when the operation lever 27b is operated to rotate the lock portion 27a, a part of the lock portion 27a is disposed in the lock groove 28, and the locking collar portion 28a in the lock groove 28 is attached to the lower case 3. Press toward. Thereby, the battery cover 15 is locked with respect to the lower case 3.

  As described above, when the battery pack 11 is stored in the battery storage unit 10 and the battery cover 15 is closed, and the battery pack 11 is used outdoors, water drops such as rainwater are formed in the battery storage unit 10 even in rainy weather. It does not penetrate and can be used satisfactorily. That is, when the battery cover 15 is closed and the battery housing part 10 is closed, the frame-shaped convex part 15c of the battery cover 10 is fitted in the concave groove 3b of the lower case 3 in which the first packing 13a is disposed. By pressing the first packing 13a, the battery opening 3a of the lower case 3 is sealed, so that it is possible to reliably prevent water droplets such as rainwater from entering the battery storage unit 10.

  On the other hand, when the battery pack 11 is taken out from the battery storage unit 10 and replaced, the battery cover 15 is unlocked by the cover lock member 27 and the battery cover 15 is rotated to open. At this time, the guide pressing portion 18 of the battery lid 15 is extracted from between the inner surface 10a of the battery housing portion 10 and the side surface 11b of the battery pack 11 opposed thereto, and the battery pack with respect to the connection electrode 14 of the battery housing portion 10 is extracted. 11 is released.

  In this state, the lock part 25b of the position restriction button 25 of the position restriction member 24 located at the bottom of the battery storage part 10 is pushed into the battery storage part 10 by the spring force of the leaf spring 26, whereby the battery pack 11 However, the movement in the sliding direction in the battery storage unit 10 is restricted and is temporarily fixed in the battery storage unit 10. For this reason, even if the battery cover 15 is opened carelessly, the battery pack 11 does not fall out of the battery storage unit 10 without permission.

  When the lock portion 25b of the position restriction button 25 is pushed down against the spring force of the leaf spring 26, the position restriction in the sliding direction with respect to the battery pack 11 by the lock portion 25b of the position restriction button 25 is released. In this state, when the battery pack 11 is slid in the direction away from the connection electrode 14, the protrusion piece 20 b of the locking protrusion 20 provided on the inner surface of the battery storage portion 10 is provided on the side surface of the battery pack 11. The groove 21 is relatively moved in the engagement groove 21 b of the joint groove 21 and is positioned in the insertion groove 21 a of the engagement groove 21. Thereby, the latching of the battery pack 11 by the latching member 17 is released, and the battery pack 11 can be taken out from the battery housing portion 10.

  Thus, when the battery lid 15 is opened and the battery pack 11 is replaced, even if water droplets such as rainwater enter the battery housing portion 10, the water droplets enter the device case 1 from the battery housing portion 10. Can be prevented. In this case, even if a water droplet such as rainwater enters the battery storage unit 10 with the battery cover 15 opened and the battery pack 11 removed from the battery storage unit 10, the battery storage unit provided in the middle case 4 It is possible to prevent rainwater from entering the device case 1 from between the outer surface 4a of the peripheral edge 10 and the inner surface 3c located around the peripheral edge of the battery opening 3a of the lower case 3.

  That is, the outer surface 4a of the middle case 4 located around the battery housing portion 10 and the inner surface 3c of the lower case 3 located around the battery opening 3a of the lower case 3 and facing the outer surface 4a of the middle case 4 A second packing 13b is arranged between the outer case 4a and the lower case of the peripheral portion of the middle case 4 when the middle case 4 is fastened to the lower case 3 with screws 12. 3 is in pressure contact with the inner surface 3c of the peripheral portion of the battery case 3, so that the space between the peripheral portion of the battery housing portion 10 of the middle case 4 and the peripheral portion of the battery opening 3a of the lower case 3 can be sealed. Thus, it is possible to prevent water droplets such as rainwater from entering the device case 1 from between the outer surface 4a of the middle case 4 and the inner surface 3c of the lower case 3.

  In addition, a card insertion hole 33 into which the memory card 30 is inserted is provided at the bottom of the battery storage unit 10 so as to correspond to the card mounting unit 31. A card lid 34 is provided in the card insertion hole 33. By being detachably attached, it is possible to prevent water droplets that have entered the battery housing portion 10 from entering the device case 1 through the card insertion hole 33, and thereby the card provided in the device case 1. The mounting portion 31 and the memory card 30 are not adversely affected by water droplets.

  In this case, a drip-proof portion 35 is provided at a portion where the card lid 34 is attached to the card insertion hole 33, and this drip-proof portion 35 is provided along the periphery of the card lid 34. The card insertion hole 33 is sealed by having a concave groove 35a facing the inner peripheral surface and a card lid packing 35b disposed in the concave groove 35a and pressed against the inner peripheral surface of the card insertion hole 33. Thus, it is possible to reliably prevent water droplets from entering the card mounting portion 31.

  That is, when the card cover 34 is attached to the card insertion hole 33 provided at the bottom of the battery storage unit 10, the battery cover 10 is disposed in the groove 35a of the card cover 34 and protrudes from the groove 35a. When a part of 35b is pressed against the inner peripheral surface of the card insertion hole 33, the card insertion hole 33 can be reliably and satisfactorily sealed, so that water droplets enter the card mounting portion 31 from the card insertion hole 33. Can be surely prevented.

  In addition, a connection electrode 14 is provided on the inner surface of the battery storage unit 10, and the connection electrode 14 is isolated in a small chamber 4 b provided on a side surface of the battery storage unit 10 of the middle case 4. By being arranged in a state, it is possible to prevent water drops that have entered the battery housing portion 10 from entering the device case 1 by the connection electrode 14.

  In this case, the small chamber 4b is provided on the side surface portion of the battery housing portion 10 so as to protrude toward the outside of the battery housing portion 10, and a connection substrate 14a to which the connection electrode 14 is connected is disposed on the outside thereof. By being sealed by 14 a, it is possible to reliably prevent water droplets such as rainwater that have entered the battery housing unit 10 from entering the device case 1.

  Further, a lock portion 25 b of the position restricting button 25 pushed up by the spring force of the leaf spring 26 of the position restricting member 24 is inserted into the insertion hole 10 b of the battery accommodating portion 10 and protrudes from the bottom of the battery accommodating portion 10. However, since the button main body 25 a of the position regulating button 25 is elastically contacted with the lower surface of the bottom of the battery housing portion 10 by the spring force of the leaf spring 26, water droplets that have entered the battery housing portion 10 It is possible to prevent the device case 1 from entering from the insertion hole 10b.

  In this case, even if the button body 25a of the position restricting button 25 is pushed down against the spring force of the leaf spring 26 and a water droplet such as rainwater enters through the insertion hole 10b of the battery housing portion 10, the battery housing portion 10 The waterproof sheet 24a provided on the positioned middle case 4 and affixed to the rib 4c surrounding the position restricting member 24 can reliably prevent water droplets such as rainwater from entering the device case 1.

  Thus, according to the drip-proof structure of the battery storage unit 10 in this portable information terminal, the upper case 2, the lower case 3, and the inner portion surrounded by the upper case 2 and the lower case 3 are arranged. A battery housing portion 10 for housing the battery pack 11 is provided in the case 4 in a state of being opened to the outside from the battery opening 3 a of the lower case 3, and the opened battery housing portion 10. In the drip-proof structure of the battery housing portion 10 that the battery lid 15 can be opened and closed, a first approach portion where the peripheral edge portion of the battery lid 15 and the peripheral edge portion of the battery opening 3a of the lower case 3 approach each other is a battery lid. The second approach portion is air-tight by the first packing 13a when the cover 15 is closed, and the peripheral portion of the battery housing portion 10 of the middle case 4 and the peripheral portion of the battery opening 3a of the lower case 3 approach each other. By packing 13b Because it is sealed Te, water droplets when the battery is changed can be prevented from entering into the device case 1.

  That is, in the drip-proof structure of the battery storage unit 10, when used outdoors in the rain, the battery cover 15 is closed to close the battery opening 3 a of the lower case 3. It is possible to reliably prevent water droplets from entering the battery housing part 10 from the first approaching part between the battery opening 3a of the lower case 3 and when the battery is exchanged outdoors in the rain. In addition, even if the battery lid 15 is opened and water droplets enter the battery housing portion 10, the water droplets that have entered the peripheral portion of the battery housing portion 10 of the middle case 4 and the peripheral portion of the battery opening 3 a of the lower case 3. It is possible to prevent the device case 1 from entering from the second approaching portion between the two.

  In this case, the first approaching portion is formed along the periphery of the peripheral edge of the battery opening 3a of the lower case 3 and the recess 3b formed along the peripheral edge of the battery lid 15 and fits into the concave groove 3b. The first packing 13a, which is a first drip-proof member, is disposed in the concave groove 3b of the lower case 3 and the convex portion 15c of the battery cover 15 is in pressure contact with the frame-shaped convex portion 15c. In addition, the battery opening 3a of the lower case 3 can be sealed, thereby reliably preventing rainwater from entering the battery storage unit 10. For this reason, when the battery pack 11 is stored in the battery storage unit 10 and the battery cover 15 is closed, when using it outdoors, it is ensured that rainwater enters the battery storage unit 10 even in rainy weather. Since it can prevent, it can be used favorably.

  In addition, the second approaching portion is located on the outer surface 4a of the middle case 4 located around the periphery of the battery housing portion 10 and on the outer surface of the middle case 4 located around the periphery of the battery opening 3a of the lower case 3. When the middle case 4 is fastened to the lower case 3 with screws 12 as fastening members, the second packing 13b as the second drip-proof member is attached to the middle case 4. By pressing the outer surface 4a of the lower case 3 and the inner surface 3b of the lower case 3, the space between the battery housing portion 10 of the middle case 4 and the battery opening 3a of the lower case 3 can be sealed. Water droplets can be reliably prevented from entering the device case 1 from between the outer surface 4a and the inner surface 3c of the lower case 3.

  Further, in the drip-proof structure of the battery storage unit 10, a card mounting unit 31 for mounting the memory card 30 is provided between the middle case 4 and the upper case 2 so as to correspond to the bottom of the battery storage unit 10. In addition, a card insertion hole 33 into which the memory card 30 is inserted is provided at the bottom of the battery storage unit 10 so as to correspond to the card mounting part 31. A card lid 32 can be attached to and detached from the card insertion hole 33. By attaching to the battery case 10, it is possible to prevent water droplets that have entered the battery storage unit 10 from entering the device case 1 through the card insertion hole 33, and thereby the card mounting portion provided in the device case 1. 31 and the memory card 30 can be prevented from being adversely affected by water droplets.

  In this case, a drip-proof portion 35 is provided at a portion where the card lid 34 is attached to the card insertion hole 33, and this drip-proof portion 35 is provided along the periphery of the card lid 34. The card insertion hole 33 is sealed by having a concave groove 35a facing the inner peripheral surface and a card lid packing 35b disposed in the concave groove 35a and pressed against the inner peripheral surface of the card insertion hole 33. Thus, it is possible to reliably prevent water droplets that have entered the battery housing portion 10 from entering the card mounting portion 31 from the card insertion hole 33.

  That is, when the card cover 34 is attached to the card insertion hole 33 provided at the bottom of the battery storage unit 10, the battery cover 10 is disposed in the groove 35a of the card cover 34 and protrudes from the groove 35a. When a part of 35b is pressed against the inner peripheral surface of the card insertion hole 33, the card insertion hole 33 can be reliably and satisfactorily sealed, so that water droplets enter the card mounting portion 31 from the card insertion hole 33. Thus, the card mounting portion 31 and the memory card 30 provided in the device case 1 can be prevented from being adversely affected by water droplets.

  Furthermore, in the drip-proof structure of the battery storage unit 10, the battery storage unit 10 includes the connection electrode 14 to which the battery electrode 11 a of the battery pack 11 stored in the battery storage unit 10 provided in the middle case 4 is connected. Is arranged in a state of being isolated in the small chamber 14 a provided on the side surface portion of the middle case 4, thereby preventing water droplets that have entered the battery housing portion 10 from entering the device case 1 by the connection electrode 14. be able to.

  In this case, the small chamber 4b is provided on the side surface portion of the battery housing portion 10 so as to protrude toward the outside of the battery housing portion 10, and a connection substrate 14a to which the connection electrode 14 is connected is disposed on the outside thereof. By being sealed by 14a, it is possible to reliably prevent water droplets that have entered the battery housing 10 from entering the device case 1. That is, the connection substrate 14a can be reliably sealed by attaching the adhesive 14b such as a double-sided tape to the outer surface of the small chamber 4b.

  Thus, according to this portable information terminal, when used outdoors in the rain, the battery lid 15 is closed to close the battery opening 3a of the lower case 3, thereby Water droplets can be prevented from entering the battery housing part 10 from the first approaching part between the battery opening 3a of the lower case 3 and when the battery is exchanged outdoors in rainy weather. Even if the battery lid 15 is opened and water droplets enter the battery housing portion 10, the water droplets that have entered the space between the peripheral edge portion of the battery housing portion 10 of the middle case 4 and the peripheral edge portion of the battery opening 3 a of the lower case 3. Intrusion into the device case 1 from the second approach portion can be prevented. Thereby, an easy-to-use portable information terminal can be provided.

  In the above-described embodiment, the case where the present invention is applied to a portable information terminal has been described. However, the present invention is not necessarily applied to a portable information terminal, and may be applied to an electronic device such as a cellular phone or a laptop personal computer. be able to.

As mentioned above, although one Embodiment of this invention was described, this invention is not restricted to this, The invention described in the claim and its equal range are included.
The invention described in the claims of the present application will be appended below.

(Appendix)
The invention according to claim 1 includes a first case, a second case, and a third case disposed inside surrounded by the first case and the second case, and the third case includes A battery housing part for housing a battery is provided in a state where the battery housing part is opened to the outside from the battery opening part of the second case, and a drip-proof structure for the battery housing part that covers the opened battery housing part so that a battery lid can be opened and closed. The first approach portion where the peripheral portion of the battery lid and the peripheral portion of the battery opening of the second case approach each other is a first drip-proof when the battery cover closes the battery opening. A second approach portion that is hermetically sealed by a member, and a peripheral portion of the battery housing portion of the third case and a peripheral portion of the battery opening portion of the second case approach each other is sealed by a second drip-proof member. A drip-proof structure for the battery storage unit.

  According to a second aspect of the present invention, in the drip-proof structure of the battery housing portion according to the first aspect, the first approach portion is formed along the periphery of the peripheral edge portion of the battery opening portion of the second case. The first drip-proof member is formed along the peripheral edge of the battery lid and fits into the concave groove, and the first drip-proof member includes the first drip-proof member. A drip-proof structure for a battery housing portion, wherein the drip-proof structure is a first packing that is disposed in a concave groove and presses the convex portion of the battery lid.

  According to a third aspect of the present invention, in the drip-proof structure of the battery housing portion according to the first or second aspect, the second approaching portion is located around the peripheral portion of the battery housing portion. An outer surface of the third case and an inner surface of the second case that is located around the peripheral edge of the battery opening of the second case and faces the outer surface of the third case; The drip member is a second packing that presses against the outer surface of the third case and the inner surface of the second case when the third case is fastened to the second case by a fastening member. And a drip-proof structure of the battery housing portion.

  According to a fourth aspect of the present invention, in the drip-proof structure of the battery housing portion according to any one of the first to third aspects, a memory card is mounted between the third case and the first case. A card insertion portion is provided corresponding to a bottom portion of the battery storage portion, and a card insertion hole for inserting the memory card is provided in the bottom portion of the battery storage portion corresponding to the card attachment portion. The battery compartment has a drip-proof structure in which a card lid is detachably attached to the card insertion hole.

  According to a fifth aspect of the present invention, in the drip-proof structure of the battery housing portion according to the fourth aspect, a drip-proof portion is provided at an attachment portion of the card lid with respect to the card insertion hole. A recess provided along the periphery of the card lid and facing the inner peripheral surface of the card insertion hole, and a card lid disposed in the concave groove and pressed against the inner peripheral surface of the card insertion hole A drip-proof structure for a battery storage unit, characterized by having a packing.

  According to a sixth aspect of the present invention, in the drip-proof structure of the battery housing portion according to any one of the first to fifth aspects, the battery housing portion provided in the third case is housed therein. The battery electrode has a drip-proof structure in which the connection electrode to which the battery electrode of the battery is connected is disposed in a state of being isolated in a small chamber provided on the side surface of the third case. is there.

  The invention according to claim 7 is the drip-proof structure of the battery housing portion according to claim 6, wherein the small chamber is sealed by a connection substrate, and the connection electrode is connected at a location corresponding to the small chamber. A drip-proof structure for a battery housing portion, which is electrically connected to a substrate.

  The invention according to claim 8 is an electronic device comprising the drip-proof structure for the battery housing portion according to claim 1.

DESCRIPTION OF SYMBOLS 1 Device case 2 Upper case 3 Lower case 3a Battery opening 3b Recess groove of battery opening 3c Inner surface of battery opening 4 Middle case 4a Outer surface of middle case 4b Small room 10 Battery storage part 11 Battery pack 11a Battery electrode 12 Screw 13a 1st packing 13b 2nd packing 14 Connection electrode 14a Connection board 15 Battery cover 15a Cover body 15b Frame-shaped part 15c Frame-shaped convex part 16 Support shaft 30 Memory card 31 Card mounting part 33 Card insertion hole 34 Card cover 35 Drip-proof Part 35a Groove of card cover 35b Card cover packing

Claims (8)

A first case, a second case, and a third case disposed inside the first case and the second case; and a battery storage portion for storing a battery in the third case. In the drip-proof structure of the battery housing portion provided in a state opened to the outside from the battery opening portion of the second case, the battery housing portion being closed so that the battery lid can be opened and closed,
The first approach part where the peripheral part of the battery lid and the peripheral part of the battery opening part of the second case approach each other is formed by the first drip-proof member when the battery cover closes the battery opening part. Airtight and
The second approaching portion where the peripheral portion of the battery housing portion of the third case and the peripheral portion of the battery opening portion of the second case approach each other is sealed by a second drip-proof member. A drip-proof structure for the battery compartment.   2. The drip-proof structure of the battery housing portion according to claim 1, wherein the first approach portion includes a concave groove formed along a periphery of the peripheral edge portion of the battery opening portion of the second case, and the battery lid. The first drip-proof member is disposed in the concave groove of the second case and is formed along the peripheral edge of the battery. A drip-proof structure for a battery housing portion, wherein the convex portion of the lid is a first packing in pressure contact.   3. The drip-proof structure of the battery housing part according to claim 1, wherein the second approaching part includes an outer surface of the third case located around the peripheral part of the battery housing part, and the second approaching part. An inner surface of the second case located around the peripheral edge of the battery opening of the case and facing the outer surface of the third case, and the second drip-proof member is formed by the third case. A drip-proof structure for a battery storage portion, wherein the drip-proof structure is a second packing that presses against the outer surface of the third case and the inner surface of the second case when the second case is fastened by a fastening member. .   4. The drip-proof structure for a battery storage unit according to claim 1, wherein a card mounting unit for mounting a memory card is provided between the third case and the first case. A card insertion hole for inserting the memory card is provided in the bottom portion of the battery storage portion corresponding to the card mounting portion. Is a drip-proof structure for the battery compartment, wherein the card lid is detachably attached.   5. A drip-proof structure for a battery storage unit according to claim 4, wherein a drip-proof part is provided at an attachment part of the card cover with respect to the card insertion hole, and the drip-proof part is provided around the card cover. And a concave groove facing the inner peripheral surface of the card insertion hole, and a card lid packing disposed in the concave groove and pressed against the inner peripheral surface of the card insertion hole. A drip-proof structure for the battery compartment.   6. The drip-proof structure of the battery storage unit according to claim 1, wherein the battery electrode of the battery stored therein is connected to the battery storage unit provided in the third case. A drip-proof structure for a battery housing part, wherein the connecting electrode is arranged in a state of being isolated in a small chamber provided on a side part of the third case.   7. The drip-proof structure for a battery storage unit according to claim 6, wherein the small chamber is sealed by a connection substrate, and the connection electrode is electrically connected to the connection substrate at a location corresponding to the small chamber. A drip-proof structure for a battery storage part. An electronic apparatus comprising the drip-proof structure for the battery housing portion according to claim 1.

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