Battery cover structure

Abstract

To provide a battery lid structure which can suppress upsizing of a housing even if the overall length of a battery lid is long.SOLUTION: A battery lid 70 is configured such that it has, on one and the other ends in the shorter direction perpendicular to the longer direction of the battery lid 70, a lid engagement part 71a on one side and a lid engagement part 71b on the other side. A housing 11 is configured such that it has: an engagement part 42 of a fixing member 14a which is biased toward the battery lid 70, assembled in a manner covering a battery housing part 13, so as to be engaged with the lid engagement part 71a on the one side; and an engagement part 42 of a fixing member 14b which is biased toward the battery lid 70 so as to be engaged with the lid engagement part 71b on the other side.SELECTED DRAWING: Figure 8

Description

[Technical field]

[0001] The present invention relates to a battery lid structure for assembling a battery lid to a case. [Background technology]

[0002] Conventionally, in mobile terminals and the like, the fixing structure for the battery lid that is attached to the housing so as to cover the battery housing portion in which the battery is housed has often been a locking structure in which a lock lever of the housing is slid onto a hook or the like provided on the upper end of the battery lid in the longitudinal direction to lock it while a claw or the like provided on the lower end of the battery lid in the longitudinal direction engages with an engagement portion or the like on the housing.

[0003] For example, in the optical information reading device disclosed in Patent Document 1 below, a cylindrical secondary battery is adopted as the battery section in order to improve the grip feeling, etc., and the battery cover that closes the battery storage section in which this battery section is housed is attached to the housing by pressing down with a lock button of the lower case whose upper end in the longitudinal direction is slid while the lower end in the longitudinal direction is engaged with the lower case. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2015-172984 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, the cylindrical secondary battery as described above tends to have a longer longitudinal dimension than the rectangular secondary battery, and when the overall length of the battery is longer, the overall length of the battery cover for covering the battery is also longer. Therefore, in a battery cover structure in which the battery cover engages with the housing at the lower end in the longitudinal direction and is slide-locked at the upper end in the longitudinal direction, the longer the battery cover is, the more likely it is to warp, etc., and the more likely the engaging portion is to come off due to the warping of the battery cover. In order to make the engaging portion less likely to come off even if the battery cover is warped, etc., it is necessary to enlarge the engaging portion, which results in a problem of enlarging the housing. This problem may occur not only with cylindrical secondary batteries, but also with secondary batteries of other shapes, such as rectangular ones.

[0006] The present invention has been made to solve the above-mentioned problems, and its object is to provide a battery lid structure that can suppress the increase in size of the housing even if the overall length of the battery lid is long. [Means for solving the problem]

[0007] In order to achieve the above object, the invention described in claim 1 of the claims is as follows: a housing (11, 11a) in which a battery accommodating portion (13) for accommodating a battery (30) is formed; a battery cover (70) attached to the housing so as to cover the battery housing portion in which the battery is housed; A battery cover structure (1, 1a) comprising: The battery lid is formed with a one-side lid engaging portion (71a) and an other-side lid engaging portion (71b) at one end side and the other end side in a short side direction perpendicular to the long side direction of the battery lid, The housing is provided with one-side housing engagement parts (14a, 16a) that are biased to engage with the one-side lid engagement part with respect to the battery lid assembled to cover the battery housing part, and another-side housing engagement parts (14b, 16b) that are biased to engage with the other-side lid engagement part. 、 a first tilt shaft and a second tilt shaft are provided at portions of the housing that face each other in the short side direction with the battery accommodating portion interposed therebetween, the one-side housing engagement portion is supported with respect to the one-side tilting shaft so as to be switchable between a tilted state in which the one-side housing engagement portion is engaged with the one-side cover engagement portion and a tilted state in which the one-side housing engagement portion is disengaged from the one-side cover engagement portion, The other-side housing engagement portion is supported so as to be switchable between a tilted state in which it engages with the other-side cover engagement portion and a tilted state in which it is disengaged from the other-side cover engagement portion with respect to the other-side tilting shaft.It is characterized by: Effect of the Invention

[0009] In the invention of claim 1, the battery lid is formed with a one-side lid engagement portion and an other-side lid engagement portion at one end and the other end of the short side direction perpendicular to the longitudinal direction of the battery lid, and the housing is provided with a one-side housing engagement portion that is biased to engage with the one-side lid engagement portion and an other-side housing engagement portion that is biased to engage with the other-side lid engagement portion with respect to the battery lid assembled to cover the battery storage portion.

[0010] In this way, since the engaging parts with the housing are provided on both sides of the battery lid in the short direction, the overall length (longitudinal length) of the battery lid can be made shorter than when the engaging parts with the housing are provided in the longitudinal direction of the battery lid. Also, since the engaging parts on one side and the engaging parts on the other side can be brought closer to each other, the engaging parts do not become easily disengaged due to warping of the battery lid, and therefore the engaging parts do not become larger. Therefore, a battery lid structure can be realized that can suppress the increase in size of the housing even if the overall length of the battery lid is long. In particular, one-side and other-side tilting shafts are provided in portions of the housings facing each other in the short side direction with the battery housing portion interposed therebetween, the one-side housing engagement portion is supported relative to the one-side tilting shaft so as to be switchable between a tilted state in which it engages with the one-side lid engagement portion and a tilted state in which the engagement with the one-side lid engagement portion is released, and the other-side housing engagement portion is supported relative to the other-side tilting shaft so as to be switchable between a tilted state in which it engages with the other-side lid engagement portion and a tilted state in which the engagement with the other-side lid engagement portion is released. This allows the engagement state and the disengagement state to be switched with a simple mechanism, making the switching operation smooth.

[0011] Claim 3 In the invention, the direction in which the one-side housing engagement portion is biased is opposite to the direction in which the other-side housing engagement portion is biased, so that even if an external force such as a drop acts on the one-side housing engagement portion in the disengagement direction, that external force will act on the other-side housing engagement portion in the engagement direction, making it difficult for the battery lid to come off the housing. [Brief description of the drawings]

[0016] [Figure 1] 1 is a side view showing a mobile terminal employing a battery lid structure according to a first embodiment. [Diagram 2] 2 is a rear view of the mobile terminal of FIG. 1 as seen from the battery cover side. [Diagram 3] 2 is an exploded perspective view of the main components of the mobile terminal of FIG. 1. [Figure 4]Figure 4(A) is a block diagram illustrating the electrical configuration of a mobile terminal, Figure 4(B) is a block diagram illustrating the electrical configuration of a wireless tag processing unit, and Figure 4(C) is a block diagram illustrating the electrical configuration of an information code reading unit. [Diagram 5] 3 is an enlarged cross-sectional view showing a part of the X1-X1 cross section of FIG. 2. [Figure 6] 11 is a perspective view showing a state in which the battery cover is brought close to the battery housing part of the housing. FIG. [Figure 7] 13 is a perspective view showing a state in which both convex portions of the battery cover are fitted into corresponding concave portions of the housing. FIG. [Figure 8] Figure 8(A) is an explanatory diagram explaining the positional relationship between the lever body and engagement portion when pressed against the spring force and the frame body of the battery lid, and Figure 8(B) is an explanatory diagram explaining the positional relationship between the lever body and engagement portion and the frame body of the battery lid after the pressing force is released. [Figure 9] FIG. 11 is an exploded perspective view showing a main part of a battery lid structure according to a second embodiment. [Figure 10] 11 is a side view showing a mobile terminal employing a battery lid structure according to a third embodiment. FIG. [Figure 11] 11 is a rear view of the mobile terminal of FIG. 10 as viewed from the battery cover side. [Figure 12] 11 is an exploded perspective view showing the main components of the mobile terminal of FIG. 10. FIG. [Figure 13] FIG. 11 is a plan view showing the battery cover of FIG. [Figure 14] 14 is a side view of the battery lid in FIG. 13 as viewed from the lid engagement portion side. [Figure 15] 14 is a side view of the battery lid of FIG. 13 as viewed from the flat portion side. [Figure 16] 16(A) is an enlarged cross-sectional view showing a portion of the X2-X2 cross section of FIG. 11, FIG. 16(B) is an enlarged cross-sectional view showing a portion of the X3-X3 cross section of FIG. 11, and FIG. 16(C) is an enlarged cross-sectional view showing a portion of the X4-X4 cross section of FIG. 11. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] [First embodiment] Hereinafter, a first embodiment in which a battery lid structure 1 of the present invention is applied to a mobile terminal will be described with reference to the drawings. As shown in Figures 1 and 2, the mobile terminal 10 of this embodiment is configured as a portable information reading device that is carried by a reading operator and used in various places, and in addition to the function of an information code reader that optically reads information codes such as barcodes and two-dimensional codes, it also has the function of reading and writing information stored in wireless tags such as RFID tags using radio waves transmitted and received via an antenna as a medium, and is configured to perform reading in two ways.

[0018] The outer shell of mobile terminal 10 is formed by housing 11 constituting battery cover structure 1 and battery cover 70 attached to the lower longitudinal side of the rear surface of housing 11. A reading port 12 for taking in reflected light from the information code into housing 11 is provided on the upper longitudinal side (the up-down direction in FIG. 2) of the rear surface of housing 11. Also, a battery housing section 13 for housing battery 30 (described later) is provided on the lower longitudinal side of the rear surface of housing 11 as shown in FIG. 3, and this battery housing section 13 is covered by battery cover 70.

[0019] A control unit 21 that controls the entire mobile terminal 10 is provided inside the housing 11 (see FIG. 4(A)). This control unit 21 is mainly configured with a microcomputer and has a CPU, a system bus, an input / output interface, etc., and configures an information processing device together with a storage unit 22. The storage unit 22 stores in advance a program for executing a reading process that optically reads an information code, a program for executing a reading process that reads a wireless tag by non-contact communication, etc., so as to be executable by the control unit 21.

[0020] 4(A), the control unit 21 is connected to the operation unit 23, the LED 24a, the vibrator 24b, the buzzer 24c, the external interface 25, and the like. The operation unit 23 is equipped with a trigger switch, a numeric keypad, and the like, and is configured to provide the control unit 21 with an operation signal corresponding to the operation of the operation unit 23, and the control unit 21 performs an operation corresponding to the content of the operation signal upon receiving the operation signal. The LED 24a, the vibrator 24b, and the buzzer 24c are configured to be controlled by the control unit 21, and each of them operates upon receiving an instruction from the control unit 21. The external interface 25 is configured as an interface for performing wireless or wired communication with the mobile terminal 10, an external device, and the like, and is configured to perform communication processing in cooperation with the control unit 21.

[0021] The mobile terminal 10 also includes a wireless tag processing unit 27 and an information code reading unit 28 that function as an information reading unit that is controlled by the control unit 21 and can read external information. The RFID tag processing unit 27 cooperates with the antenna 26 and the control unit 21 to communicate with the RFID tag T by electromagnetic waves and to read data stored in the RFID tag T or write data to the RFID tag T. The RFID tag processing unit 27 is configured as a circuit that transmits by a known radio wave method, and as shown roughly in Fig. 4(B), has a transmitting circuit 27a, a receiving circuit 27b, a matching circuit 27c, etc.

[0022] The information code reading unit 28 functions to optically read the information code, and as shown in FIG. 4(C), is configured to include an illumination unit 28a composed of a plurality of LEDs and lenses, an imaging lens 28b, and a light receiving sensor 28c composed of a CCD area sensor, and functions to read the information code C (barcode or two-dimensional code) attached to the reading object R in cooperation with the control unit 21. Specifically, when the illumination light Lf emitted from the illumination unit 28a is irradiated onto the information code C, the reflected light Lr from the information code C passes through the reading port 12 and the imaging lens 28b and is received by the light receiving sensor 28c, and a light receiving signal corresponding to the image of the information code C is output from the light receiving sensor 28c. This light receiving signal is stored in the storage unit 22 as image data and is used in a decoding process for deciphering the information recorded in the information code C.

[0023] A power supply unit 29 is provided within the housing 11. This power supply unit 29 is configured with a known power supply circuit and the like, and is configured to supply power to various electric components including the control unit 21 and each connected module, by utilizing a cylindrical secondary battery (hereinafter, also simply referred to as battery 30) housed in the battery housing unit 13 of the housing 11 as a power supply source (battery).

[0024] 2, fixing members 14a and 14b for attaching a battery cover 70 are provided on the back side of the housing 11. The fixing members 14a and 14b are symmetrical and arranged to face each other across the battery housing portion 13 in a short direction (left-right direction in FIG. 2) perpendicular to the long direction (up-down direction in FIG. 2) of the housing 11. As shown in FIG. 3, the fixing members 14a and 14b are each configured to include a lever 40, a lever holder 50, a spring 61, a tilting screw 62, and a fixing screw 63.

[0025] The lever 40 is formed to include a lever body 41 that is pressed by the user, and an engagement portion 42 for engaging with the battery lid 70. The lever 40 is supported so as to be switchable between a tilted state in which the lever body 41 and the engagement portion 42 approach the battery accommodating portion 13 and a tilted state in which the lever body 41 and the engagement portion 42 move away from the battery accommodating portion 13, with a tilting screw 62 attached to a base portion 43 of the lever 40 as a tilting axis. The lever 40 is also biased by a spring 61 so as to be in a tilted state in which the lever body 41 and the engagement portion 42 move away from the battery accommodating portion 13.

[0026] Therefore, the direction in which the engaging portion 42 of the fixed member 14a is biased is opposite to the direction in which the engaging portion 42 of the fixed member 14b is biased. The engaging portion 42 of the fixed member 14a corresponds to an example of a "one-side housing engaging portion", and the tilting screw 62 of the fixed member 14a corresponds to an example of a "one-side tilting shaft". The engaging portion 42 of the fixed member 14b corresponds to an example of a "other-side housing engaging portion", and the tilting screw 62 of the fixed member 14b corresponds to an example of a "other-side tilting shaft".

[0027] The lever holder 50 is a holder for protecting the lever 40, and is fixed near the battery accommodating section 13 by using a tilting screw 62, a fixing screw 63, etc. The lever holder 50 has an opening 51 formed therein through which the lever body 41 biased by a spring 61 is exposed.

[0028] In addition, the housing 11 has a pair of recesses 15a for positioning the battery lid 70 at a position that is longitudinally above the battery accommodating section 13, and a flat portion 15b for positioning the battery lid 70 at a position that is longitudinally below the battery accommodating section 13.

[0029] Next, the detailed shape of the battery cover 70 will be described. At one end side and the other end side in the short direction (left and right direction in Figure 2) perpendicular to the longitudinal direction (up and down direction in Figure 2) of the battery lid 70, one side lid engagement portion 71a with which the engagement portion 42 of the fixing member 14a engages, and the other side lid engagement portion 71b with which the engagement portion 42 of the fixing member 14b engages are formed so as to be symmetrical to each other.

[0030] One-side lid engaging portion 71a includes a frame 72 in which a long hole 73 that is elongated along the longitudinal direction of battery lid 70 is formed, and this frame 72 is arranged such that, when battery lid 70 is assembled to housing 11, engaging portion 42 of fixing member 14a is inserted from the inside into long hole 73 to engage therewith, as shown in Fig. 5. Similarly, the other-side lid engaging portion 71b is arranged such that, when battery lid 70 is assembled to housing 11, engaging portion 42 of fixing member 14b is inserted from the inside into long hole 73 to engage therewith.

[0031] In addition, a pair of convex portions 74 for positioning are formed on the upper longitudinal side of the battery lid 70, utilizing both concave portions 15a of the housing 11, and a flat portion 75 for positioning is formed on the lower longitudinal side of the battery lid 70, utilizing the flat portion 15b of the housing 11.

[0032] Next, the assembly of the battery lid 70 to the housing 11 using the battery lid structure 1 according to this embodiment will be described with reference to the drawings. For convenience, the battery 30 is omitted from illustration in Fig. 6 and Fig. 7. For convenience, the engagement portion 42 is hatched, and the frame 72 and the long hole 73 of the battery lid 70 are illustrated by two-dot chain lines in Fig. 8(A) and (B).

[0033] First, as shown in FIG. 6, the battery cover 70 is brought close to the battery housing portion 13 of the housing 11, and then, as shown in FIG.

[0034] 8(A), by pressing both levers 40, the lever body 41 and the engaging portion 42 of the fixed member 14a and the lever body 41 and the engaging portion 42 of the fixed member 14b are pressed inward against the bias of the spring 61, and the flat portion 75 of the battery lid 70 is brought into surface contact with the flat portion 15b of the housing 11. At this time, the engaging portions 42 pressed inward face the long holes 73 of the fixed members 14a and 14b, respectively.

[0035] 8(B), the engaging portion 42 of the fixing member 14a is biased by the spring 61 to engage with the long hole 73 of the one-side lid engaging portion 71a, and the engaging portion 42 of the fixing member 14b is biased by the spring 61 to engage with the long hole 73 of the other-side lid engaging portion 71b. As a result, the battery lid 70 is assembled to the housing 11 by utilizing the one-side lid engaging portion 71a and the other-side lid engaging portion 71b on both sides in the short direction of the battery lid 70.

[0036] Then, with the battery lid 70 attached to the housing 11 as described above, by pressing both levers 40, the lever body 41 and the engaging portion 42 of the fixed member 14a and the lever body 41 and the engaging portion 42 of the fixed member 14b are pushed inward against the bias of the spring 61 (see FIG. 8(A)), whereby the engagement between the engaging portion 42 and the long hole 73 is released. This allows the battery lid 70 to be removed from the housing 11.

[0037] As described above, in the battery lid structure 1 of this embodiment, the battery lid 70 has one-side lid engagement portion 71a and the other-side lid engagement portion 71b formed on one end side and the other end side of the short side direction perpendicular to the longitudinal direction of the battery lid 70, and the housing 11 is provided with an engagement portion 42 of the fixing member 14a that is biased to engage with the one-side lid engagement portion 71a and an engagement portion 42 of the fixing member 14b that is biased to engage with the other-side lid engagement portion 71b for the battery lid 70 assembled to cover the battery storage portion 13.

[0038] In this way, since the engaging parts with the housing 11 are provided on both sides of the battery lid 70 in the short direction, the overall length (longitudinal length) of the battery lid 70 can be made shorter than when the engaging parts with the housing 11 are provided in the longitudinal direction of the battery lid. In addition, since the engaging parts on one side and the engaging parts on the other side can be brought closer to each other, the engaging parts do not become easily detached due to warping of the battery lid 70, and therefore the engaging parts do not become large. Therefore, it is possible to realize a battery lid structure 1 that can suppress an increase in size of the housing 11 even when the overall length of the battery lid 70 is long.

[0039] In particular, since the direction in which the engaging portion 42 of the fixing member 14a is biased is opposite to the direction in which the engaging portion 42 of the fixing member 14b is biased, even if an external force such as a drop acts on the engaging portion 42 of the fixing member 14a in the disengagement direction, the external force will act on the engaging portion 42 of the fixing member 14b in the engagement direction, making it possible to prevent the battery lid 70 from coming off the housing 11.

[0040] Furthermore, the engaging portion 42 of the fixed member 14a is supported so as to be switchable between a tilted state in which it engages with the one-side lid engaging portion 71a and a tilted state in which it is disengaged from the one-side lid engaging portion 71a with respect to the tilting screw 62 serving as the one-side tilting axis, and the engaging portion 42 of the fixed member 14b is supported so as to be switchable between a tilted state in which it engages with the other-side lid engaging portion 71b and a tilted state in which it is disengaged from the other-side lid engaging portion 71b with respect to the tilting screw 62 serving as the other-side tilting axis. This allows the engaged state and disengaged state to be switched with a simple mechanism, so that the switching operation using the lever body 41 can be performed smoothly.

[0041] [Second embodiment] Next, a battery lid structure according to a second embodiment will be described with reference to the drawings. In the second embodiment, the lever holding structure in both fixing members of the housing is mainly different from that in the first embodiment. Therefore, the same reference numerals are used for the substantially same components as those in the first embodiment, and the description thereof will be omitted.

[0042] in particular, As shown in Figure 9, In the case 11a of the battery lid structure 1a according to the present embodiment, fixing members 16a and 16b having symmetrical shapes are adopted instead of the fixing members 14a and 14b of the above-mentioned case 11. The fixing members 16a and 16b are each configured to include a lever 40a, a lever holder 50a, a spring 61a, and a fixing screw 63a.

[0043] The lever 40a is formed to include a lever body 41a that is pressed by the user, and an engagement portion 42a for engaging with the battery lid 70. The lever 40a is supported by a lever holder 50a so as to be switchable between a sliding state in which the lever body 41a and the engagement portion 42a approach the battery accommodating portion 13, and a sliding state in which the lever body 41a and the engagement portion 42a move away from the battery accommodating portion 13. The lever 40a is also biased by a spring 61a so as to be in a sliding state in which the lever body 41a and the engagement portion 42a move away from the battery accommodating portion 13.

[0044] Therefore, the direction in which the engaging portion 42a of the fixed member 16a is biased is opposite to the direction in which the engaging portion 42a of the fixed member 16b is biased. Note that the engaging portion 42a of the fixed member 16a can correspond to an example of a "one-side housing engaging portion," and the engaging portion 42a of the fixed member 16b can correspond to an example of a "other-side housing engaging portion."

[0045] In this embodiment, the lever holder 50a is configured as a holder that holds the lever 40a slidably along the short side direction, and is fixed near the battery accommodating section 13 using a fixing screw 63a or the like. The lever holder 50a is formed with an opening 51a through which the lever main body 41a biased by a spring 61a is exposed.

[0046] In the battery cover structure 1a configured in this manner, by pressing both levers 40a, the lever body 41a and the engagement part 42a of the fixed member 16a and the lever body 41a and the engagement part 42a of the fixed member 16b are pushed inward against the bias of the spring 61a, so that both engagement parts 42a face the long holes 73 of the battery cover 70 that covers the battery housing part 13. By releasing the pressing operation of both levers 40 from this state, the engagement part 42a of the fixed member 16a is biased by the spring 61a to engage with the long hole 73 of the one-side cover engagement part 71a, and the engagement part 42a of the fixed member 16b is biased by the spring 61a to engage with the long hole 73 of the other-side cover engagement part 71b. As a result, the battery cover 70 is assembled to the housing 11a by utilizing the one-side cover engagement part 71a and the other-side cover engagement part 71b on both sides in the short direction of the battery cover 70.

[0047] Then, from the state in which the battery cover 70 is attached to the housing 11a as described above, by pressing both levers 40a, the lever body 41a and the engaging portion 42a of the fixed member 16a and the lever body 41a and the engaging portion 42a of the fixed member 16b are pushed inward against the bias of the spring 61a, thereby disengaging the engaging portion 42a from the long hole 73. This allows the battery cover 70 to be removed from the housing 11a.

[0048] Even in this case, since the engaging portions with the housing 11a are provided on both sides of the battery lid 70 in the short direction, the overall length (longitudinal length) of the battery lid 70 can be shortened compared to the case where the engaging portions with the housing 11a are provided in the longitudinal direction of the battery lid. Also, since the engaging portions on one side and the engaging portions on the other side can be brought closer to each other, the engaging portions do not become easily detached due to warping of the battery lid 70, and therefore the engaging portions do not become large. Therefore, it is possible to realize a battery lid structure 1a that can suppress the increase in size of the housing 11a even if the overall length of the battery lid 70 is long.

[0049] [Third embodiment] Next, a battery lid structure according to a third embodiment will be described with reference to the drawings. In the third embodiment, the main difference from the first embodiment is the engagement structure between the battery lid and the case, so the same components as those in the first embodiment are given the same reference numerals and the description thereof is omitted.

[0050] As shown in FIGS. 10 to 12, a mobile terminal 10b employing a battery lid structure 1b according to this embodiment has an outer shell formed by a housing 11b and a battery lid 70b attached to the lower longitudinal side of the rear surface of this housing 11b.

[0051] The battery lid 70b is configured to have, instead of the one-side lid engagement portion 71a and the other-side lid engagement portion 71b of the battery lid 70 described above, a one-side lid engagement portion 80a provided at one end side in the short direction and an other-side lid engagement portion 80b provided at the other end side in the short direction.

[0052] As shown in Figures 13 to 15, the one-side lid engagement portion 80a is configured to include a one-side elastic portion 81a, a one-side extension portion 82a that is connected to the one-side elastic portion 81a so as to extend in the removal direction of the battery lid 70b (the up and down direction in Figure 15), and a protrusion portion 86a.

[0053] The one-side elastic portion 81a extends from the edge of one end side of the short side direction of the battery cover main body 80 along the removal direction of the battery cover 70b, and is formed with a curved extension end side so as to be elastically deformable. The one-side extension portion 82a extends from the extension end of the one-side elastic portion 81a along the removal direction, and is formed so as to have a substantially U-shaped cross section together with the one-side elastic portion 81a. The outer side surface 83a of the one-side extension portion 82a is formed flat. The protrusion portion 86a is formed to be interposed between the extension end surface 84a and the extension end surface 85a of the one-side extension portion 82a by protruding outward from the longitudinal center portion of the extension end portion of the one-side extension portion 82a.

[0054] The other side lid engagement portion 80b has a symmetrical shape to the one side lid engagement portion 80a and is configured to include an other side elastic portion 81b, an other side extension portion 82b that connects to the other side elastic portion 81b so as to extend in the removal direction of the battery lid 70b, and a protrusion portion 86b.

[0055] The other-side elastic portion 81b extends from the edge of the other end side of the short side direction of the battery lid main body 80 along the removal direction of the battery lid 70b, and is formed with a curved extension end side so as to be elastically deformable. The other-side extension portion 82b extends from the extension end of the other-side elastic portion 81b along the removal direction, and is formed so as to have a substantially U-shaped cross section together with the other-side elastic portion 81b. The outer side surface 83b of the other-side extension portion 82b is formed flat. The protrusion portion 86b is formed so as to be interposed between the extension end surface 84b and the extension end surface 85b of the other-side extension portion 82b by protruding outward from the longitudinal center portion of the extension end portion of the other-side extension portion 82b.

[0056] The housing 11b is configured to include, instead of the fixing members 14a and 14b, a fixing member 17a provided at one end side in the short side direction and a fixing member 17b provided at the other end side in the short side direction, as compared to the housing 11 described above.

[0057] As shown in Figs. 16(A) to (C), the fixing member 17a is formed to include a step portion 91a and a step portion 92a with which the one-side extension portion 82a engages, and a locking portion 95a with which the protrusion portion 86a is locked, when the battery cover 70b is assembled. The step portion 91a is formed so that the one-side extension portion 82a, which has climbed over an inner surface 93a connected to the step portion 91a, engages with the extension end surface 84a and the side surface 83a in a state in which the one-side extension portion 82a, which has climbed over an inner surface 94a connected to the step portion 92a, is biased outward in accordance with the elastic deformation of the one-side elastic portion 81a, engages with the extension end surface 85a and the side surface 83a. The step portion 91a and the step portion 92a may correspond to an example of a "one-side housing engagement portion".

[0058] The fixing member 17b is symmetrical to the fixing member 17a, and is formed to include a step portion 91b and a step portion 92b with which the other-side extending portion 82b engages, and a locking portion 95b with which the protrusion portion 86b is locked, when the battery cover 70b is assembled, as shown in Figs. 16(A) to (C). The step portion 91b is formed so that the other-side extending portion 82b, which has climbed over an inner surface 93b connected to the step portion 91b, engages with the extending end surface 84b and the side surface 83b in a state in which the other-side extending portion 82b, which has climbed over an inner surface 94b connected to the step portion 92b, is biased outward in accordance with the elastic deformation of the other-side elastic portion 81b. The step portion 92b is formed so that the other-side extending portion 82b, which has climbed over an inner surface 94b connected to the step portion 92b, engages with the extending end surface 85b and the side surface 83b in a state in which the other-side extending portion 82b, which has climbed over an inner surface 94b connected to the step portion 92b, is biased outward in accordance with the elastic deformation of the other-side elastic portion 81b. The step portion 91b and the step portion 92b may correspond to an example of the "other-side housing engagement portion."

[0059] In the battery cover structure 1b thus configured, when the battery cover 70b is assembled to the housing 11b, both of the convex portions 74 of the battery cover 70b are fitted into the concave portions 15a of the housing 11b, respectively, and the flat portion 75 of the battery cover 70b is brought into surface contact with the flat portion 15b of the housing 11b. At this time, in the one-side cover engaging portion 80a, the one-side extending portion 82a that has climbed over the inner surfaces 93a and 94a engages with the step portions 91a and 92a at the side surface 83a and the extending end surfaces 84a and 85a, and the protrusion portion 86a engages with the locking portion 95a. In addition, in the other-side cover engaging portion 80b, the other-side extending portion 82b that has climbed over the inner surfaces 93b and 94b engages with the step portions 91b and 92b at the side surface 83b and the extending end surfaces 84b and 85b, and the protrusion portion 86b engages with the locking portion 95b. Thereby, the battery cover 70b is attached to the housing 11b by utilizing the one-side cover engaging portion 80a and the other-side cover engaging portion 80b on both sides in the short side direction of the battery cover 70b.

[0060] Then, from the state where battery cover 70b is attached to housing 11b as described above, by operating protrusion 86a and protrusion 86b so as to approach each other, the locked state between protrusion 86a and locking portion 95a is released and the locked state between protrusion 86b and locking portion 95b is released. In this state, the engagement between one-side extension 82a and steps 91a, 92a and the engagement between the other-side extension 82b and steps 91b, 92b are also released, so that battery cover 70b can be removed from housing 11b.

[0061] As described above, in the battery lid structure 1b of this embodiment, the battery lid 70b has a one-side lid engagement portion 80a and an other-side lid engagement portion 80b formed on one end side and the other end side of the short side direction perpendicular to the longitudinal direction of the battery lid 70b, and the one-side lid engagement portion 80a has a one-side elastic portion 81a and a one-side extension portion 82a that connects to the one-side elastic portion 81a so as to extend in the removal direction of the battery lid 70b, and the other-side lid engagement portion 80b has an other-side elastic portion 81b and an other-side extension portion 82b that connects to the other-side elastic portion 81b so as to extend in the removal direction of the battery lid 70b. The housing 11b is provided with step portions 91a, 92a with which the one-side extension portion 82a engages when biased by the one-side elastic portion 81a, and step portions 91b, 92b with which the other-side extension portion 82b engages when biased by the other-side elastic portion 81b, relative to the battery lid 70b assembled to cover the battery accommodating portion 13.

[0062] Even in this case, since the engaging parts with the housing 11b are provided on both sides of the short side of the battery cover 70b, the overall length (longitudinal length) of the battery cover can be shortened compared to the case where the engaging parts with the housing 11b are provided in the longitudinal direction of the battery cover. In addition, since the engaging parts on one side and the engaging parts on the other side can be brought closer to each other, the engaging parts do not become easily detached due to warping of the battery cover 70b, and the engaging parts do not become large. When removing the battery cover 70b from the housing 11b, the one-side elastic part 81a is elastically deformed so that the engagement between the one-side extension part 82a and the step parts 91a, 92a is released, and the other-side elastic part 81b is elastically deformed so that the engagement between the other-side extension part 82b and the step parts 91b, 92b is released, so that the battery cover 70b can be easily removed. Therefore, it is possible to realize the battery cover structure 1b that can suppress the increase in size of the housing 11b even when the overall length of the battery cover 70b is long.

[0063] In particular, since the direction in which the one-side extension portion 82a is biased by the one-side elastic portion 81a is opposite to the direction in which the other-side extension portion 82b is biased by the other-side elastic portion 81b, even if an external force such as a fall acts on the one-side extension portion 82a in the disengagement direction, the external force will act on the other-side extension portion 82b in the engagement direction, making it possible to prevent the battery lid 70b from coming off the housing 11b.

[0064] [Other embodiments] The present invention is not limited to the above-described embodiment, and may be embodied as follows, for example. (1) The battery cover 70 is not limited to being configured so that the long holes 73 for engagement are formed in the frame 72 provided at one end side and the other end side in the short side direction, but may be configured so that engagement holes of other shapes are formed. In this case, the engagement portion 42 of the housing 11 and the engagement portion 42a of the housing 11a can be formed in a shape corresponding to the above-mentioned engagement holes.

[0065] (2) The battery cover structures 1, 1a, 1b according to the present invention are not limited to application to the mobile terminal 10 configured as described above, but may also be applied to mobile terminals having other functions, or to stationary terminals, etc. [Explanation of symbols]

[0066] 1,1a,1b…Battery lid structure 10,10b…Mobile terminal 11, 11a, 11b…Housing 13…Battery compartment 14a, 16a, 17a...Fixing members (one-side housing engagement portion) 14b, 16b, 17b...Fixing members (other-side housing engagement parts) 30...battery 40,40a…Lever 42, 42a... Engagement portion (one-side housing engagement portion, other-side housing engagement portion) 50,50a…Lever holder 61,61a…Spring 62...Tilting screw (one side tilting shaft, other side tilting shaft) 70,70b…Battery cover 71a, 80a...One side lid engaging part 71b, 80b...Other side lid engagement part 81a...One side elastic part 81b...Other side elastic part 82a...One side extension part 82b...Other side extension part 91a, 92a...Step portion (one-side housing engagement portion) 91b, 92b...Step portion (other side housing engagement portion)

Claims

1. a housing in which a battery housing portion for housing a battery is formed; a battery cover attached to the housing so as to cover the battery housing portion in which the battery is housed; A battery cover structure comprising: The battery lid is formed with a one-side lid engaging portion and an other-side lid engaging portion at one end side and the other end side in a short side direction perpendicular to a long side direction of the battery lid, the housing is provided with a one-side housing engagement portion that is biased to engage with the one-side lid engagement portion with respect to the battery lid assembled to cover the battery housing portion, and an other-side housing engagement portion that is biased to engage with the other-side lid engagement portion, a first tilt shaft and a second tilt shaft are provided at portions of the housing that face each other in the short side direction with the battery accommodating portion interposed therebetween, the one-side housing engagement portion is supported with respect to the one-side tilting shaft so as to be switchable between a tilted state in which the one-side housing engagement portion is engaged with the one-side cover engagement portion and a tilted state in which the one-side housing engagement portion is disengaged from the one-side cover engagement portion, A battery lid structure characterized in that the other-side housing engagement portion is supported relative to the other-side tilting axis so as to be switchable between a tilted state in which it engages with the other-side lid engagement portion and a tilted state in which it is disengaged from the other-side lid engagement portion.

2. A housing having a battery housing portion for housing a battery; a battery cover attached to the housing so as to cover the battery housing portion in which the battery is housed; A battery cover structure comprising: The battery lid is formed with a one-side lid engaging portion and an other-side lid engaging portion at one end side and the other end side in a short side direction perpendicular to a long side direction of the battery lid, the housing is provided with a one-side housing engagement portion that is biased to engage with the one-side lid engagement portion with respect to the battery lid assembled to cover the battery housing portion, and an other-side housing engagement portion that is biased to engage with the other-side lid engagement portion, the one-side housing engagement portion is supported so as to be switchable between a sliding state in which the one-side housing engagement portion engages with the one-side lid engagement portion by moving away from the battery accommodating portion and a sliding state in which the one-side housing engagement portion disengages from the one-side lid engagement portion by moving closer to the battery accommodating portion, A battery lid structure characterized in that the other-side housing engagement portion is supported so as to be switchable between a sliding state in which it engages with the other-side lid engagement portion by moving away from the battery accommodating portion, and a sliding state in which it disengages from the other-side lid engagement portion by moving closer to the battery accommodating portion.

3. 3. The battery lid structure according to claim 1, wherein the one-side housing engaging portion is biased in a direction opposite to the direction in which the other-side housing engaging portion is biased.

Images