TWI489850B - Mobile terminal device - Google Patents

Description

Mobile terminal device Field of invention

The present invention relates to a mobile terminal device having a battery cover that blocks a battery compartment in which a battery is housed.

Background of the invention

In recent years, particularly in the use of mobile terminal devices for business use, since the amount of power loss is increased by the use of, for example, a scanner device, it is necessary to periodically exchange rechargeable batteries (for example, once per day). Moreover, the battery cover is designed to be detachable by a simple operation.

Further, the battery cover must satisfy the following specifications, that is, it can be prevented from being damaged even when the mobile terminal device is dropped or the like, and the waterproof performance can be maintained.

In addition, the waterproof specification of the electronic device including the mobile terminal device is set to the following level of waterproofing, that is, in the protection level of IP × 7 in, for example, JIS/IEC (International Electrical Standards Conference), in the temperature range of 15 ° C to 35 In °C, etc., the lowermost end of the device is 1m away from the water surface, even if the test time is 30 minutes, it will not seep.

Therefore, the mobile terminal device should preferably be such that when the outer cover is closed, the cushion pressure necessary for waterproofing can be obtained, and even if the device is accidentally dropped, it is not easily broken, and the waterproof performance is not Impact resistance that is easily damaged.

For example, Patent Document 1 discloses a structure of a mobile terminal device including: a battery that is housed in a battery storage unit; and a cover that closes the battery storage port; A gasket that is kept in a sealed state is disposed between the lid body and the battery storage opening.

The gasket is formed in a state of being fitted around the inner side of the lid body, and prevents water from infiltrating from the battery receiving opening.

Further, in Patent Document 2, in the mobile terminal device, the battery cover includes a cover body which is formed by an elastic material to form an inner portion facing the battery, and is formed by sheet metal to form an outer portion; and a cover. The cover is covered; in addition, the so-called battery cover is doubled.

Further, the shaft attached to the lid body is attached to the bearing portion on the apparatus main body side, and the lid system is switched in a laterally open manner. Further, the cover has a claw and a lock lever that are hooked on the apparatus body side.

However, in Patent Document 1, since the cover system is hooked to the outer casing of the apparatus body by the hook, when the apparatus body is accidentally dropped or the like, the hook is broken or peeled off due to the impact, and is disposed in the cover body. The waterproof performance of the liner around the side is impaired.

Further, in Patent Document 2, since the lid body and the outer cover are not integrally formed, but are formed of different shapes, when the device body is accidentally dropped or the like, the claws of the outer cover and the like are damaged by the impact at the time of falling. When it is detached, there is a possibility that the bearing portion on the main body side of the device supporting the cover body is broken. Furthermore, if the cover and the cover are damaged, the waterproof performance of the battery cover may be impaired.

Advanced technical literature Patent literature

Patent Document 1: Japanese Laid-Open Patent Publication No. Hei 10-241648

Patent Document 2: JP-A-2008-130519

Invention

The present invention provides a mobile terminal device that can prevent breakage of a battery cover even when the device body is subjected to an impact force, and has excellent waterproof function.

The present invention relates to a mobile terminal device having a battery cover that blocks an opening formed in a device body and houses a battery chamber of the battery, wherein the battery cover has a laminated layer and an outer cover. The inner side cover has a body structure, and the inner side cover has a reinforcing member and a sealing member which are laminated on the outer side cover and are made of a material different from the outer side cover.

According to the present embodiment, since the inner cover has the reinforcing member and the sealing member which are laminated on the outer cover and are made of a material different from the outer cover, the outer cover is subjected to impact force and damage even if the outer cover is dropped or the like. It can also be protected by a reinforcing member, and the inside of the battery compartment is not exposed. Moreover, the waterproof function between the battery compartment and the battery cover can be maintained by the sealing member.

Simple illustration

Fig. 1 is an external view of a mobile terminal device according to an embodiment of the present invention viewed from a front side.

Fig. 2 is an external view of the mobile terminal device according to the embodiment of the present invention viewed from the back side.

Fig. 3 is an external view of the mobile terminal device viewed from the back side with the battery cover removed.

Fig. 4A is an external view of the battery cover viewed from the inner side.

Fig. 4B is an external view showing another embodiment when the battery cover is viewed from the inner surface side.

Fig. 5A is an external view when the outer cover is viewed from the inner side.

Fig. 5B is an external view showing another embodiment when the outer cover is viewed from the inner surface side.

Fig. 6A is an exploded perspective view of the battery cover when the inner cover is laminated on the inner surface of the outer cover.

Fig. 6B is an exploded perspective view showing another embodiment of the battery cover when the inner cover is laminated on the inner surface of the outer cover.

Figure 7 is an exploded perspective view of the lever arm, the operating panel and the operating knob.

Figure 8 is an assembled view of the lever arm, the operating panel and the operating knob.

Figure 9 is a plan view of the battery cover viewed from the inner side.

Fig. 10A is a diagram showing the unlocked state of the lever arm.

Figure 10B shows a locked state diagram of the lever arm.

Form for implementing the invention

Hereinafter, embodiments of the present invention will be described based on the drawings.

1 is an external view of a mobile terminal device according to an embodiment of the present invention viewed from a front side, and FIG. 2 is an external view seen from a back side thereof.

The mobile terminal device is known as a HHT (Hand Held Terminal), and can carry and can perform small-scale mobile devices such as sales management, inventory management or procurement management, and other wireless communication.

In the first embodiment, the mobile terminal device 10 is disposed on the front surface of the elongated rectangular device body 12, and has a display unit 14 such as a liquid crystal display (LCD) that outputs a menu screen or stored data, and inputs data as an operation input. The input key 16 and the selection button 18 of the data input unit have a data processing unit (calculation unit) or the like (not shown) that processes data input from the input key 16 inside the apparatus main body 12.

Further, although it is not provided in the mobile terminal device 10 of the present embodiment, the following specifications are also included, that is, a printer as a printing machine is mounted.

In the second diagram, the battery cover 22 is provided on the back side of the mobile terminal device 10, and the battery cover 22 blocks the opening 26a of the battery compartment 26 in which the battery 20 is housed (see FIG. 3).

The battery cover 22 is described later in detail. However, by operating the knob 62, the operation knob 62 can be locked (locked) or unlocked and attached to and detached from the opening 26a.

A scanner unit (indicator reading unit) (not shown) is mounted on the mobile terminal device 10, and reads a coded information that has been attached to an article (product).

Further, when the mobile terminal device 10 is used to transmit an e-mail or the like, if the user inputs the telephone number or the e-mail address or the like using the enter key 16, the communication can be designated by the long-distance wireless communication. The object sends the data. The transmitted data is transmitted from the base station to the communication target via a telephone line, a LAN line, or the like.

Fig. 3 is an external view showing the battery cover 22 removed and the mobile terminal device 10 viewed from the back side.

In the present embodiment, the battery 20 is a rechargeable battery and is detachably housed in the battery chamber 26, and the battery chamber 26 is formed on the back side of the apparatus body 12. The battery compartment 26 closes the opening 26a by the battery cover 22, whereby the waterproof function can be maintained.

The opening portion 26a is opened by a substantially half of the lower side of the longitudinal direction of the apparatus main body 12 (the Y direction of FIG. 3). Further, a lock mechanism housing portion 28 is formed on the upper side of the opening portion 26a in the center of the longitudinal direction of the apparatus main body 12.

The lock mechanism accommodating portion 28 is formed to have a drop at the intersection with the back surface of the apparatus main body 12, and the drop corresponds to a thickness portion of the battery cover 22 that covers the lock mechanism accommodating portion 28. Accordingly, when the battery cover 22 is attached to the opening portion 26a of the battery chamber 26, the back surface of the apparatus main body 12 constitutes a smooth surface (see Fig. 2).

Further, the lock mechanism housing portion 28 has an operation knob housing portion 32 at a substantially central portion in the width direction (X direction of FIG. 3) of the apparatus main body 12. Further, on the left and right end sides in the width direction of the lock mechanism housing portion 28, the lock pin 34 and the lock pin 35 are provided below the longitudinal direction of the apparatus main body 12 (the Y direction in FIG. 3), and the lever of the lock mechanism 60 to be described later is provided. The arm 61 is engaged with the lock pin 34 and the lock pin 35.

Further, the claw attachment portion 36 and the claw attachment portion 37 are notched at the left and right end portions of the battery chamber 26 below the opening portion 26a (downward in the Y direction of FIG. 3). The claws 40 and the claws 41 (see FIG. 4A and the like) of the battery cover 22 are caught by the claw attachment portion 36 and the claw attachment portion 37 and fixed.

Further, a thin wall surface 30 is formed around the opening 26a of the battery chamber 26, and a spacer 48 (see FIG. 4A or the like) which will be described later is in contact with the wall surface 30 to maintain the waterproofness of the battery chamber 26.

4A is an external view when the battery cover 22 is viewed from the inner surface side, and FIG. 4B is an external view of another embodiment (described later) when the battery cover is viewed from the inner surface side.

As shown in FIG. 4A, the battery cover 22 has a single structure in which the outer side cover 22A and the inner side cover 22B are laminated.

The battery cover 22 occludes the opening portion 26a of the battery chamber 26, and has a predetermined strength against an impact force or the like, and has an excellent waterproof function (for example, IP × 7 in IS/IEC).

5A is an external view when the outer cover 22A is viewed from the inner surface side, and FIG. 5B is an external view of another embodiment (described later) when the outer cover is viewed from the inner surface side.

As shown in FIG. 5A, the outer cover 22A is made of an elastic material such as synthetic resin (for example, polycarbonate), and has a cover main body 23 at the center. The outer cover 22A has an arm guide 38 and a lock mechanism 60 that have been formed on the upper side in the longitudinal direction (the Y direction of FIG. 5A).

The arm guide 38 is erected in the thickness direction (Z direction in FIG. 5A), and the arm guide 38 guides the lever arm 61 as a lever member to move in the width direction (X direction in FIG. 5A). The lever arm 61 is moved in the width direction by the operation of the operation knob 62.

Moreover, the claws 40 and the claws 41 are formed in the left and right end portions on the lower side in the longitudinal direction of the cover main body 23 (the Y direction in FIG. 5A). The claws 40 and 41 are attached to the claw attachment portion 36 and the claw attachment portion 37 of the apparatus main body 12. Further, the claws 40 and 41 are fitted into the claw attachment portion 36 and the claw attachment portion 37, and the outer cover 22A (battery cover 22) can be attached to the apparatus body 12 by locking the lock mechanism 60.

Further, the left and right end portions in the width direction (X direction of FIG. 5A) of the cover main body 23 are erected in the thickness direction (Z direction in FIG. 5A), and the side surface rib portion 42 and the side surface rib portion 43 are attached to each other. The long direction is continuously formed. The side ribs 42 and the side ribs 43 are formed along the wall surface 30 on the side of the opening 26a of the battery chamber 26.

6A is an exploded perspective view of the battery cover 22 when the inner cover 22B is laminated on the outer cover 22A, and FIG. 6B is another embodiment (described later) of the battery cover when the inner cover is laminated on the inner surface of the outer cover. Decompose the perspective view.

As shown in FIG. 6A, in the present embodiment, the inner cover 22B includes a reinforcing plate 46 which is formed of a material different from the outer cover 22A as a reinforcing member, and an adhesive tape 44 which is provided on the reinforcing plate 46. The side surface of the outer side cover 22A serves as a fixing mechanism; and the spacer 48 is provided on the side opposite to the side of the adhesive tape 44 of the reinforcing plate 46 as a sealing member. Accordingly, the inner cover 22B is adhered to the outer cover 22A by the adhesive tape 44.

The adhesive tape 44 is made of, for example, a rectangular frame-shaped elastic material such as a double-sided tape. The adhesive tape 44 has the following functions: the outer cover 22A and the reinforcing plate 46; and the shock is buffered. Therefore, the adhesive tape 44 requires adhesiveness and impact resistance. Moreover, in order to prevent water, the adhesive tape 44 has non-water permeability.

The reinforcing plate 46 is for reinforcing the mechanical strength of the outer cover 22A, and is made of a metal plate (for example, stainless steel) having abrasion resistance and impact resistance.

The reinforcing plate 46 includes a plate body 50 having an opening 50a at the center, and a cover portion 51 formed on the upper side of the plate body 50 in the longitudinal direction (the Y direction of FIG. 6A); a pair of left and right protrusions 56 The protrusions 57 are formed on the lower side of the longitudinal direction, and the left and right ribs 53 and the ribs 54 are formed at the left and right ends in the width direction of the panel body 50 (the X direction in FIG. 6A).

Accordingly, the plate body 50 of the reinforcing plate 46 reinforces the cover body 23 of the outer cover 22A, and the left and right ribs 53 and ribs 54 of the reinforcing plate 46 reinforce the side ribs 42 and the side ribs of the outer cover 22A. 43. Further, the projection 56 and the projection 57 of the reinforcing plate 46 reinforce the claw 40 and the claw 41 of the outer cover 22A. In addition, the cover portion 51 of the reinforcing plate 46 protects the locking mechanism 60.

Since the reinforcing plate 46 has wear resistance, even if the frame portion of the synthetic resin outer cover 22A comes into contact with other objects and is worn, it does not wear to the inside of the reinforcing plate 46. Therefore, the battery chamber 26 is not exposed, and the waterproofness inside the battery chamber 26 can be maintained.

In addition, since the reinforcing plate 46 has impact resistance, even if the synthetic resin outer cover 22A is broken due to dropping or the like, the inner cover 22B including the reinforcing plate 46 is not damaged. Therefore, the battery chamber 26 is not exposed, and the waterproofness inside the battery chamber 26 can be maintained.

Further, at the upper end of the right rib portion 54 of the reinforcing plate 46, a deformation preventing member 58 as a deformation preventing member is provided, and the deformation preventing member 58 is slightly L-shaped and is in the thickness direction (Fig. 6A). The inner side of the Z direction) protrudes.

The deformation preventing fitting 58 has a function of preventing the length of the lever arm 61 of the lock mechanism 60 from moving toward the one end side (the right end side in the X direction of FIG. 6A) toward the inner side in the thickness direction (the Z direction in FIG. 6A). Side deformation.

The liner 48 is composed of a rubber or synthetic resin having a non-water repellency. The spacer 48 is formed in a rectangular frame shape having a rectangular opening 48a at the center. Further, the opening 48a is formed to be equal to or larger than the opening 50a of the reinforcing plate 46.

The spacer 48 is adhered to one surface of the reinforcing plate 46 (the side opposite to the adhesive tape 44) by an adhesive tape or an adhesive (not shown). Accordingly, the outer cover 22A is integrally laminated to the reinforcing plate 46 and the spacer 48.

Further, the spacer 48 is pressed against the wall surface 30 around the opening portion 26a of the battery chamber 26 by a predetermined pressure, whereby the waterproof function of the battery chamber 26 can be maintained by the repulsive force.

Further, as described above, in the battery cover 22, the projections 56 and 57 of the reinforcing plate 46 of the inner cover 22B project inward in the width direction from the claws 40 and the claws 41 of the outer cover 22A. Therefore, the projection 56 and the projection 57 are hooked on the lower end side of the opening portion 26a of the battery chamber 26, and the buckle portion is reinforced.

Further, in the present embodiment, the outer cover 22A and the inner cover 22B are adhered to each other by the adhesive tape 44, thereby being laminated. However, the present invention is not limited thereto.

For example, FIG. 4B is an external view showing another embodiment of the battery cover 22 in which the spacer 91 (see FIG. 6B) is sandwiched between the outer cover 22A and the inner cover 22B.

This is illustrated by Figures 4B, 5B and 6B.

In the fifth and fourth embodiments, the left and right end portions in the width direction (X direction of FIG. 5B) of the cover main body 23 of the outer cover 22A are erected on the inner side rib of the inner surface side in the thickness direction (the Z direction in FIG. 5B). 42. The side ribs 43 are continuously formed in the longitudinal direction.

The long side ends of the side ribs 42 and the side ribs 43 are slightly closer to the center, and the projections 81 and 82 are formed in plural in the center in the thickness direction.

Further, in the sixth drawing, the left and right ribs 53 and the ribs 54 which are formed in the width direction (X direction of the sixth drawing) of the plate main body 50 of the reinforcing plate 46 are formed in the longitudinal direction. The end is slightly closer to the center, and the through hole 83 and the through hole 84 are formed in plural in the thickness direction. Further, the projections 81, the projections 82, the through holes 83, and the through holes 84 constitute a fixing mechanism.

Accordingly, the side ribs 42 that are erected on the inner surface side of the cover body 23 of the outer side cover 22A, the projections 81 and the projections 82 on the side ribs 43 are formed, and the left and right ribs formed on the reinforcing plate 46. 53. The through hole 83 of the rib 54 and the through hole 84 are fitted, whereby the outer cover 22A and the inner cover 22B can be integrally formed without being attached. In addition, the through hole 83 and the through hole 84 need not be particularly penetrated, and may be a structure in which a recess or the like can be fitted to the projection 81 and the projection 82.

Further, in Fig. 6B, a spacer 91 having a size equal to that of the adhesive tape 44 is sandwiched between the outer cover 22A and the inner cover 22B. The thickness of the spacer 91 is made slightly thicker than the gap between the outer cover 22A and the inner cover 22B. Therefore, when the spacer 91 is sandwiched, it can be adhered by the pressure of the spacer and can be made non-permeable.

Next, the locking mechanism 60 will be briefly explained.

The lock mechanism 60 is a mechanism that presses the battery cover 22 against the apparatus main body 12 side and locks the battery cover 22 when it is placed in the opening portion 26a of the battery chamber 26.

The locking mechanism 60 includes a lever arm 61 that is movably disposed on the battery cover 22 as a lever member, an operation knob 62 that operates the lever arm 61 as an operating mechanism, and a lock pin 34 of the device body 12, Lock pin 35 (refer to Fig. 3). When the battery cover 22 closes the opening portion 26a of the battery chamber 26, the lever arm 61 is engaged with the lock pin 34 of the apparatus body 12 and the lock pin 35.

Fig. 7 is an exploded perspective view of the lever arm 61, the operation panel 63, and the operation knob 62, and Fig. 8 is an assembled view thereof.

In the seventh and eighth figures, the lever arm 61 includes a frame portion 65 having a first end portion 65a and having a rectangular frame shape, and a flat plate portion 66 facing the frame portion 65 toward the seventh figure. The lower side (Z direction) has a drop and extends horizontally; and the second end portion 67 has a slight drop from the flat plate portion 66 toward the upper side (Z direction) and extends horizontally.

When the first end portion 65a and the second end portion 67 are closed to the opening portion 26a of the battery chamber 26, the lever arm 61 moves in the right direction (X direction) of FIG. 7 to be engaged with the lock pin. 34. Lock pin 35.

The operation pin 68 is provided upright on the flat plate portion 66 of the lever arm 61, and the through hole 69 is formed in the operation plate 63. The operation panel 63 is attached to the operation pin 68 of the lever arm 61 through the through hole 69. Further, in addition to the through holes 69, a plurality of (four in the figure) through holes 70 are formed in the operation plate 63. The operation knob 62 is attached using the through hole 70.

Further, the lever arm 61 is held to be movable in the width direction (X direction of the fifth and sixth A-pictures) with respect to the battery cover 22, however, the lever arm 61 does not face the thickness direction with respect to the battery cover 22 (Fig. 5A) Z direction) moves. The lever arm 61 is moved in the longitudinal direction by rotating the operation knob 62 attached to the operation panel 63.

Fig. 9 is a plan view showing the battery cover 22 viewed from the inner surface side.

In the ninth diagram, when the operation knob 62 is rotated in the direction of the arrow mark B, the lever arm 61 is moved in the direction of the arrow mark C, whereby the first end portion 65a and the second end portion 67 of the lever arm 61 are opened. It will engage with the lock pin 34 and the lock pin 35 (refer to Fig. 3).

Figs. 10A and 10B are views showing the operation state of the lever arm 61.

Fig. 10A shows the unlocked state of the lever arm 61 with respect to the lock pin 34 and the lock pin 35 (refer to Fig. 3), and Fig. 10B shows the locked state of the lever arm 61 with respect to the lock pin 34 and the lock pin 35.

As shown in FIG. 10A, in the unlocked state of the lever arm 61, the lever arm 61 is not engaged with the lock pin 34 and the lock pin 35.

In other words, in this state, the first end portion 65a and the second end portion 67 of the lever arm 61 are formed in a positional relationship in which the lock pin 34 and the lock pin 35 are separated in the longitudinal direction (X direction).

Next, as shown in Fig. 10B, when the operation knob 62 is rotated, the lever arm 61 is moved in the longitudinal direction (arrow direction C direction) through the operation plate 63 and the operation pin 68.

In addition, this operation is performed by the battery cover 22 covering the opening portion 26a of the battery chamber 26, and the operation knob 62 is housed in the operation knob housing portion 32 of Fig. 3 in this state.

Accordingly, the lever arm 61 moves in the long direction (X direction), and the upper end of the first end portion 65a and the second end portion 67 (the A side and the A' side of the 10A plane) enter the lock pin 34 and the lock. The pin 35 is engaged with the lower side (Z direction), whereby the lever arm 61, the lock pin 34, and the lock pin 35 constitute a locked state.

By this engagement, the battery cover 22 shown in Fig. 4A is closed in the opening portion 26a of the battery chamber 26. Further, the first end portion 65a and the front end of the second end portion 67 are preferably formed into a tapered surface to be easily engaged with the lock pin 34 and the lock pin 35.

Further, the upper end of the first end portion 65a and the second end portion 67 (the A surface and the A' surface of the tenth AA) are slightly above the lock pin 34 and the lowermost side of the lock pin 35 (Fig. 10A) Z direction). With this, in a state in which the first end portion 65a and the second end portion 67 are engaged with the lock pin 34 and the lock pin 35, the lever arm 61 moves slightly downward (in the Z direction of FIG. 10A).

By the movement of the lever arm 61 downward (in the Z direction of FIG. 10A), the battery cover 22 is pressed against the apparatus main body 12 side, whereby the spacer 48 is pressed against the wall surface 30 around the battery chamber 26, and is kept waterproof. performance.

Further, in the present embodiment, the lock pin 34 and the lock pin 35 are formed of a metal bar having a circular cross section. However, the present invention is not limited thereto, and may be formed in a triangular or elliptical cross section. Thereby, when the lever arm 61 is engaged with the lock pin 34 and the lock pin 35, the lever arm 61 can be easily moved downward by the corners of the lock pin 34 and the lock pin 35.

Accordingly, in the present embodiment, by rotating the operation knob 62 at the center of the battery cover 22, the lever arm 61 is moved in the longitudinal direction, and the lever arm 61 is engaged with the two locks at the left and right ends in the width direction of the apparatus body 12. Pin 34, lock pin 35.

At this time, in the present embodiment, the lever arm 61 is not fixed to the apparatus main body 12 or the battery cover 22 to be movable. Therefore, even if the apparatus main body 12 is dropped or the like, the impact is not directly transmitted to the lever arm 61. Therefore, the lever arm 61 is not deformed to maintain the locked state. Accordingly, since the battery cover 22 does not come off, the waterproof function of the battery compartment 26 can be maintained.

Further, when the operation lever 62 is operated and the lever arm 61 is moved, and the lever arm 61 is engaged with the two lock pins 34 and the lock pin 35 on the right and left sides in the width direction of the apparatus main body 12, the end of the lever arm 61 (the The 2 end portion 67) is covered by the deformation preventing fitting 58 formed on the reinforcing plate 46, whereby the second end portion 67 of the lever arm 61 can be prevented from being deformed (for example, bent toward the apparatus body 12 side) even if it is used for a long period of time.

In the present embodiment, the case where one end side (second end portion 67) of the lever arm 61 is covered by the deformation preventing fitting 58 will be described. However, the present invention is not limited thereto, and may be made to be the same by way of example. The fitting covers the both end sides of the lever arm 61.

Further, when the battery cover 22 is attached to the apparatus main body 12, the opening 22a of the battery chamber 26 is closed by the battery cover 22, and the battery cover 22 is slid downward in the longitudinal direction (the Y direction of FIG. 3). . Accordingly, after the claws 40 and 41 of the battery cover 22 are fitted into the claw attachment portion 36 and the claw attachment portion 37, the operation knob 62 is operated. Thereby, the battery cover 22 closes the opening portion 26a of the battery chamber 26 and locks it.

Further, at this time, since the projection 56 and the projection 57 of the reinforcing plate 46 are simultaneously fitted into the wall surface 30 of the opening portion 26a, the mounting strength of the battery cover 22 can be reinforced.

Further, the apparatus main body 12 is made of an elastic material such as synthetic resin, and the spacer 48 of the battery cover 22 abuts against and presses against the wall surface 30 around the battery chamber 26, so that the opening portion 26a uses the spacer 48. The repulsive force is blocked by the battery cover 22 and has no gap.

According to the present embodiment, the battery cover 22 has a structure in which the inner cover 22B and the outer cover 22A are laminated, and the inner cover 22B has the reinforcing plate 46 and the spacer 48 which are laminated on the outer cover 22A through the adhesive tape 44. The mobile terminal device 10 can have impact resistance.

Further, when the battery cover 22 is attached to the opening 26a of the battery chamber 26 and locked, the gasket 48 of the battery cover 22 presses the wall surface 30 around the battery chamber 26 and blocks the opening portion 26a of the battery chamber 26 without a gap. Therefore, the waterproofness of the battery chamber 26 can be maintained.

10. . . Mobile terminal device

12. . . Device body

14. . . Display department

16. . . Input key

18. . . Selection button

20. . . battery

twenty two. . . Battery cover

22A. . . Outer cover

22B. . . Inner cover

twenty three. . . Cover body

26. . . Battery room

26a. . . Opening

28. . . Locking mechanism storage unit

30. . . Wall

32. . . Operating knob housing

34,35. . . Lock pin

36,37. . . Claw mounting

38. . . Arm guide

40,41. . . claw

42,43. . . Side rib

44. . . Adhesive tape

46. . . Reinforcing plate

48,91. . . pad

48a, 50a. . . Opening

50. . . Board body

51. . . Cover

53. . . Left rib

54. . . Right rib

56,57. . . Protrusion

58. . . Anti-deformation accessories

60. . . Locking mechanism

61. . . Lever arm

62. . . Operating knob

63. . . Operation panel

65. . . Frame body

65a. . . First end

66. . . Flat section

67. . . Second end

68. . . Operation pin

69,70,83,84. . . Through hole

81,82. . . Protrusion

Fig. 1 is an external view of a mobile terminal device according to an embodiment of the present invention viewed from a front side.

Fig. 2 is an external view of the mobile terminal device according to the embodiment of the present invention viewed from the back side.

Fig. 3 is an external view of the mobile terminal device viewed from the back side with the battery cover removed.

Fig. 4A is an external view of the battery cover viewed from the inner side.

Fig. 4B is an external view showing another embodiment when the battery cover is viewed from the inner surface side.

Fig. 5A is an external view when the outer cover is viewed from the inner side.

Fig. 5B is an external view showing another embodiment when the outer cover is viewed from the inner surface side.

Fig. 6A is an exploded perspective view of the battery cover when the inner cover is laminated on the inner surface of the outer cover.

Fig. 6B is an exploded perspective view showing another embodiment of the battery cover when the inner cover is laminated on the inner surface of the outer cover.

Figure 7 is an exploded perspective view of the lever arm, the operating panel and the operating knob.

Figure 8 is an assembled view of the lever arm, the operating panel and the operating knob.

Figure 9 is a plan view of the battery cover viewed from the inner side.

Fig. 10A is a diagram showing the unlocked state of the lever arm.

Figure 10B shows a locked state diagram of the lever arm.

twenty two. . . Battery cover

22A. . . Outer cover

22B. . . Inner cover

twenty three. . . Cover body

40,41. . . claw

43. . . Side rib

46. . . Reinforcing plate

48. . . pad

51. . . Cover

56,57. . . Protrusion

58. . . Anti-deformation accessories

60. . . Locking mechanism

61. . . Lever arm

62. . . Operating knob

83. . . Through hole

Claims (6)

A mobile terminal device having a battery cover that blocks an opening formed in a device body and houses a battery chamber of the battery, wherein the battery cover has an outer cover formed of a resin and laminated An inner cover structure composed of a plurality of members, wherein the inner cover is laminated on the outer cover through a fixing mechanism, and has a reinforcing member and a sealing member made of a metal plate, and is provided at one end of one side of the outer cover. The battery cover is provided to be mounted on one of the battery chambers, and the reinforcing member is located inside the set of claws, and is provided with a protrusion that can hook the battery chamber to reinforce the battery. The cover is attached to the battery chamber by the aforementioned claws. The mobile terminal device of claim 1, wherein the fixing mechanism is composed of an adhesive. The mobile terminal device of claim 1, wherein the fixing mechanism is formed by a protrusion and a fitting portion with the protrusion. The mobile terminal device of claim 2, wherein the adhesive is composed of a non-permeable double-sided tape. The mobile terminal device of claim 3, wherein the outer side cover and the inner side cover have a non-permeable gasket. The mobile terminal device of claim 1, wherein the sealing member is formed of a non-permeable gasket.