JP6818803B2 - Portable device - Google Patents

Description

The present application relates to a portable device having a housing formed of a case and a cover.

A portable device that can lock and unlock a vehicle door, start an engine or a hybrid system, and the like without using a mechanical key has a built-in battery such as a button battery (see, for example, Patent Document 1).
In addition, conventionally, a battery is built in a housing formed by fitting two upper and lower parts, and when replacing the battery, it is recommended for each product such as a coin or a flat-blade screwdriver in a recess provided in the battery lid. There is a portable device in which a tool is inserted and a force is applied to disengage and separate the two parts (see, for example, Patent Document 2).

In such a portable device housing, for example, a plurality of fitting claws are formed on one component (cover), and a plurality of fitting grooves corresponding to the fitting claws are formed on the other component (case). By fitting them together, the two parts are combined. In that case, the shapes of the plurality of fitting claws and the plurality of fitting grooves are all substantially the same shape. Further, since the fitting portion formed by the fitting claw and the fitting groove is a disassembling method using a moment of force, the starting load due to frictional force or the like becomes large.

Japanese Unexamined Patent Publication No. 2003-90152 (FIGS. 1 and 3) Japanese Unexamined Patent Publication No. 2004-87995 (paragraph 0012, FIG. 6)

When the cover and the case are fitted by the fitting claw and the fitting groove, when the housing consisting of the cover and the case is disassembled by the user operation, if the fitting of the fitting claw cannot be disengaged by an appropriate force, the fitting is performed. Excessive force is applied to remove the fitting, which may result in damage to each fitting claw or force, and deformation of the cover and case.

In the technique of Patent Document 2, since the fitting portion which is considered to be hard to come off by the user operation is different, it cannot be a means for solving the above-mentioned problem. Further, in the fitting claw shape shown in Patent Document 1, the hooking amount (the area of the mating surface formed with the mating groove and the mating surface (opposing area)) is small, so that a strong fitting is ensured. Can not. Hereinafter, a surface that is a part of the fitting portion and is in contact with the cover and the case so as to apply a force (prevents the separation) when the cover and the case are separated is referred to as a fitting surface.

In a portable device of an electronic key system, the user needs to be able to easily replace the battery, and further, it is necessary to be able to easily reassemble. On the other hand, it is desirable that the cover and case constituting the outer shape of the portable device use a fitting structure with fitting claws or the like without using additional parts / processes such as screwing from the viewpoint of design design or cost.

The present application has been made to solve the above-mentioned problems, and an object of the present application is to provide a portable device in which the fitting portion between the cover and the case can be easily removed.

The portable device according to the present application is a portable device having a housing formed by fitting a cover and a case, and a force portion for separating the cover and the case is provided on the side surface of the cover or the case to apply a force. A plurality of fitting claws extending in a direction away from the applied portion are formed on the outer circumference or the inner circumference of the side surface on which the portion is formed, and a plurality of fitting claws are formed on the inner circumference or the outer circumference of the side surface of the case or cover. A fitting groove is formed to fit with, and among a plurality of fitting portions of the fitting claw and the fitting groove, the fitting surface in the fitting portion located on both sides of the applying portion and closest to the applying portion. A gap is provided at a position close to the applied portion, and an inclined surface is formed in which the gap becomes smaller as the distance from the applied portion increases.

According to the portable device of the present application, of the fitting portions of the cover and the case constituting the housing, a gap is provided at a position close to the applying portion on the fitting surface in the fitting portion close to the applying portion. , It is possible to separate the fitting portion with a small amount of force.

It is a perspective view which shows the portable device of Embodiment 1. FIG. It is an exploded view which shows the portable device of Embodiment 1. It is a figure explaining the fitting part of the cover and case of the portable device of Embodiment 1. FIG. It is a figure explaining the fitting part of the case and the cover of the portable device of Embodiment 1. FIG. 5 is a cross-sectional view and a partially enlarged view of the housing of the portable device according to the first embodiment. It is a perspective view and a partially enlarged view of the cover of the portable device of Embodiment 1. FIG. FIG. 5 is a side view and a partially enlarged view of the cover of the portable device of the first embodiment as viewed from the right side. It is a side view and a partially enlarged view of the cover of the portable device of Embodiment 1 as seen from the rear side. It is a bottom view of the housing of the portable device of Embodiment 1, a cross-sectional view of a fitting part, and a partially enlarged view. It is a perspective view which shows the portable device of Embodiment 2. It is a figure explaining the fitting part of the cover and the case of the portable device of Embodiment 2. 2 is a side view and a partially enlarged view of the cover of the portable device of the second embodiment as viewed from the left side. 2 is a bottom view of the housing of the portable device of the second embodiment, a cross-sectional view of the fitting portion, and a partially enlarged view. It is a perspective view which shows the portable device of Embodiment 3. It is an exploded view which shows the portable device of Embodiment 3. It is a top view of the portable device of Embodiment 3, and a cross-sectional portion and a partially enlarged view of a housing. FIG. 5 is a cross-sectional view and a partially enlarged view of a fitting portion of the housing of the portable device according to the third embodiment. FIG. 3 is a plan view, a cross-sectional view, and a partially enlarged view of a cover of the portable device according to the third embodiment. It is an exploded view which shows the portable device of Embodiment 4. It is a bottom view of the housing of the portable device of Embodiment 4, a cross-sectional view of a fitting part, and a partially enlarged view. FIG. 5 is a plan view and a cross-sectional view, and a perspective view and a partially enlarged view of the case of the portable device according to the fourth embodiment. It is the top view and the side view which showed the process of separating from the mating state when separating a cover and a case. It is a figure for demonstrating the force acting on a cover and a case when separating a cover and a case.

Embodiment 1.
Hereinafter, the portable device according to the first embodiment of the present application will be described with reference to FIGS. 1 to 9.
FIG. 1 is a perspective view showing the portable device of the first embodiment, and FIG. 2 is an exploded view showing the portable device of the first embodiment. Hereinafter, the portable device of the present application will be described as a portable device used in an electronic key system used in, for example, an automobile, a motorcycle, an outboard motor, etc., but the portable device is not limited to the electronic key system and is a portable device of other electronic devices. It is also available for.

In FIGS. 1 and 2, the portable device 10 is composed of a housing 12 including a cover 1 and a case 2. Of the surface of the portable device 10, the surface on which the button 13 is provided and operated is referred to as an upper surface, and the surface opposite to the upper surface is referred to as a lower surface.
Further, the side where the ring portion 12B formed in the housing 12 of the portable device 10 is provided is the front side, and the opposite side is the rear side. Further, in FIG. 1, the visible side of the longitudinal side surface of the portable device 10 is the left side, and the invisible side is the right side. Further, hereinafter, the upper surface side of the portable device 10 is referred to as the upper side, and the lower surface side is referred to as the lower side.

As shown in FIG. 2, the portable device 10 is mainly composed of a housing 12 including a cover 1 and a case 2, a button 13 housed in the housing 12, a waterproof packing 14, a substrate 15, and a battery 16. ..
Specifically, the waterproof packing 14 is arranged on the substrate 15, and the button 13 is arranged on the waterproof packing 14. The button 13 is inserted into the hole 1a of the cover 1 and exposed on the upper surface (operation surface) of the portable device 10.

The housing 12 is formed by fitting a cover 1 and a case 2 having rectangular openings having substantially the same shape with the openings facing each other. Further, as will be described later, the cover 1 and the case 2 can be separated by a user operation.
A ring portion 12B is formed on one side surface of the housing 12 in the lateral direction. Further, in the central portion of the side surface of the housing 12 on the other side (rear side) in the lateral direction, a concave shape is formed at the boundary between the cover 1 and the case 2 and serves as a force-applying portion 1A when the cover 1 and the case 2 are separated. The insertion portion 12A is configured. The concave insertion portion 12A is formed by forming a recess at the upper end of the rear side surface of the case 2 in the lateral direction and combining the case 2 with the case 2.

The concave insertion portion 12A is formed of a groove having a predetermined depth, and has a shape that makes it easy to insert a member such as a coin or a screwdriver. Then, as will be described later, when the housing 12 is separated, for example, the user inserts a coin into the insertion portion 12A and rotates the coin so as to tilt the surface of the coin. As a result, the recess forming the insertion portion 12A is applied, the fit between the cover 1 and the case 2 can be removed, and the cover 1 and the case 2, that is, the housing 12 can be disassembled.

Electronic components such as an antenna, a push button switch, and an IC, and a negative electrode (not shown) are mounted on the substrate 15. The battery 16 comes into contact with a negative electrode on the substrate 15 and a positive electrode (not shown) arranged on the case 2, and the substrate 15 is driven by being supplied with electric power from the battery 16.

Next, the details of the fitting portion between the cover 1 and the case 2 will be described with reference to FIGS. 3 and 4.
First, a method of fitting the cover 1 and the case 2 will be described with reference to FIGS. 3 and 4. FIG. 3 is an exploded view of the housing 12 when viewed from above, FIG. 3A shows a case where the ring portion 12B of the housing 12 is on the upper left side, and FIG. 3B shows a ring of the housing 12. It is a figure which shows the case where the part 12B is set to the lower left. FIG. 4 is an exploded view of the housing 12 when viewed from the lower surface, FIG. 4A shows a case where the ring portion 12B of the housing 12 is on the upper left side, and FIG. 4B shows a ring of the housing 12. It is a figure which shows the case where the part 12B is set to the lower right.

As shown in FIG. 3, fitting grooves 21F to 21Bb are formed along the inside of the side surface of the case 2.
Specifically, fitting grooves 21Fa and 21Fb extending in the lateral direction are formed on the inside of the front side surface of the case 2 in the lateral direction slightly below the opening of the case 2. Further, on the inside of the side surface on the rear side in the lateral direction of the case 2, fitting grooves 21Ba and 21Bb are formed at positions facing the fitting grooves 21Fa and 21Fb.

Further, inside the left side surface of the case 2 in the longitudinal direction, three fitting grooves 21La, 21Lb, 21Lc extending in the longitudinal direction at the same height as the fitting grooves 21Fa, 21Fb and the fitting grooves 21Ba, 21Bb. Is formed. The fitting grooves 21La, 21Lb, and 21Lc are formed so as to be arranged in the order of the fitting grooves 21La, 21Lb, and 21Lc from the side closer to the front side surface of the case 2.
Further, on the inside of the right side surface in the longitudinal direction of the case 2, three fitting grooves 21Ra, 21Rb, 21Rc having the same shape as the fitting grooves 21La to 21Lc are located at positions facing the fitting grooves 21La, 21Lb, 21Lc. Is formed.

Further, as shown in FIG. 4, fitting claws 11F to 11Bb are formed along the outer circumference of the side surface of the cover 1.
Specifically, fitting claws 11Fa and 11Fb extending in the lateral direction are formed on the front side surface of the cover 1 in the lateral direction slightly below the opening of the cover 1. Further, on the outside of the side surface on the rear side in the lateral direction of the cover 1, fitting claws 11Ba and 11Bb are formed at positions facing the fitting claws 11Fa and 11Fb.

Further, inside the left side surface of the cover 1 in the longitudinal direction, three fitting claws 11La, 11Lb, 11Lc extending in the longitudinal direction at the same height as the fitting claws 11Fa, 11Fb and the fitting claws 11Ba, 11Bb. Is formed. The fitting claws 11La, 11Lb, 11Lc are formed so as to be arranged in the order of the fitting claws 11La, 11Lb, 11Lc from the side closer to the front side surface of the cover 1.
Further, on the inside of the right side surface in the longitudinal direction of the cover 1, three fitting claws 11Ra, 11Rb, 11Rc having the same shape as the fitting claws 11La to 11Lc are located at positions facing the fitting claws 11La, 11Lb, 11Lc. Is formed.

The fitting claws 11Fa and 11Fb are fitted with the fitting grooves 21Fa and 21Fb, respectively, and the fitting claws 11Ra, 11Rb and 11Rc are fitted with the fitting grooves 21Ra, 21Rb and 21Rc, respectively, and the fitting claws 11La and 11Lb are fitted. , 11Lc are fitted with the fitting grooves 21La, 21Lb, 21Lc, respectively, and the fitting claws 11Ba, 11Bb are fitted with the fitting grooves 21Ba, 21Bb, respectively. In this way, each fitting claw 11 (the subscript is omitted when generically referred to) and the fitting groove 21 (subscript is omitted when generically referred to) form a fitting portion.
By removing these fitting portions, the cover 1 and the case 2 are separated, and the housing 12 is disassembled. The circumference of the portion (fitting portion) for fitting the cover 1 and the case 2 is substantially rectangular.

Next, with reference to FIG. 5, details of the central fitting portion formed on the side surfaces of the cover 1 and the case 2 will be described. FIG. 5 is a cross-sectional view and a partially enlarged view of a portion where a fitting portion is formed by the fitting claw 11Lb of the cover 1 of the portable device 10 and the fitting groove 21Lb of the case 2.
The cross section of the fitting claw 11Lb is mountain-shaped, and the cross-sectional shape of the fitting claw 11Lb is substantially the same at any position. On the other hand, the cross section of the fitting groove 21Lb has a valley shape corresponding to the mountain shape of the fitting claw 11Lb.

As shown in the circled portion of the dotted line in FIG. 5B, the surface where the fitting groove 21Lb and the fitting claw 11Lb come into contact with each other is called a fitting surface, and the claw hooking amount is ΔLb. As shown in FIG. 5, the surface (fitting surface) to which a force is applied when the cover 1 and the case 2 are separated is inclined with respect to the direction in which the cover 1 and the case 2 are separated (vertical direction). Therefore, the fitting groove 21Lb and the fitting claw 11Lb can be easily disengaged.

The fitting claws 11La, 11Ra, 11Rb, 11Fa, and 11Fb of the cover 1 have the same cross-sectional shape as the fitting claws 11Lb. Further, the fitting grooves 21La, 21Ra, 21Rb, 21Fa, and 21Fb of the case 2 have the same shape as the fitting grooves 21Lb.
On the other hand, as will be described later, the fitting claws 11Rc, 11Lc, 11Ba, and 11Bb of the cover 1 on the side close to the concave insertion portion 12A, which is the applying portion 1A, have a different shape from the fitting claw 11Lb.

Next, the shapes of the fitting claws 11Rc, 11Lc, 11Ba, and 11Bb of the cover 1 will be described with reference to FIGS. 6 to 9.
FIG. 6A is a perspective view of the cover 1, and FIGS. 6B and 6C are partially enlarged views of the fitting claws 11Rc and 11Ba. FIG. 7A is a side view of the cover 1 as viewed from the right side, and FIG. 7B is an enlarged view of the vicinity of the fitting claw 11Rc. FIG. 8A is a side view of the cover 1 as viewed from the rear side, and FIG. 8B is an enlarged view of the vicinity of the fitting claw 11Ba. 9 (a) is a bottom view of the portable device 10, FIG. 9 (b) shows the fitting claws 11Rc, 11Rb, 11Ra of the cover 1 and the fitting groove 21Rc of the case 2 in the line BB of FIG. 9 (a). A cross-sectional view of a portion where 21Rb and 21Ra are formed, FIG. 9C is an enlarged cross-sectional view of the fitting claw 11Rc and the fitting groove 21Rc, and FIG. 9D is a cross-sectional view of the fitting claw 11Rb and the fitting groove 21Rb. It is an enlarged view.

The fitting claw 11Rc shown in FIGS. 6 (b) and 7 (b) cuts a part of the surface SU1 forming the fitting surface among the fitting claws having the same cross section as the fitting claw 11Lb of FIG. It has a shape in which an inclined surface SR1 is formed which is inclined toward the concave insertion portion 12A (rear side surface) which becomes the applied portion 1A of the case 2 due to the lack.

That is, the inclined surface SR1 is inclined so as to approach the surface SU1 as it moves away from the concave insertion portion 12A from one end closer to the concave insertion portion 12A of the fitting claw 11Rc. In other words, the inclined surface SR1 has a larger cross-sectional area as it is separated from the concave insertion portion 12A (rear side surface) which is the applying portion 1A when viewed from the direction of the rear side surface of the cover 1. It is tilted. Further, on the fitting surface with the fitting groove 21Rc, at the position closest to the concave insertion portion 12A, the gap is the largest, and as the distance from the concave insertion portion 12A (rear side surface) serving as the applying portion 1A increases. , The gap becomes smaller, the gap disappears from a certain position, and the fitting claw 11Rc and the fitting groove 21Rc come into contact with each other.

Further, the fitting claw 11Ba shown in FIGS. 6 (c) and 8 (b) is a part of the surface SU2 forming the fitting surface among the fitting claws having the same cross section as the fitting claw 11Lb of FIG. The case 2 has a shape in which an inclined surface SR2 is formed which is inclined toward a concave insertion portion 12A (rear side surface) which is a force portion 1A of the case 2.

That is, the inclined surface SR2 is inclined so as to approach the surface SU2 as it moves away from the concave insertion portion 12A from one end closer to the concave insertion portion 12A of the fitting claw 11Ba. In other words, the inclined surface SR2 is inclined so that the cross-sectional area increases as it approaches the right side surface from the concave insertion portion 12A on the rear side of the cover 1. Further, on the fitting surface with the fitting groove 21Ba, the gap is the largest at the position closest to the concave insertion portion 12A serving as the applying portion 1A, and as the distance from the concave inserting portion 12A serving as the applying portion 1A increases. , The gap becomes smaller, the gap disappears from a certain position, and the fitting claw 11Ba and the fitting groove 21Ba come into contact with each other.

Although not shown, the fitting claw 11Lc is also formed with an inclined surface SL1 having the same shape as the inclined surface SR1. That is, the inclined surface SL1 is inclined so as to approach the surface SL1 from one end closer to the concave insertion portion 12A, which is the applying portion 1A of the fitting claw 11Lc, as the distance from the concave insertion portion 12A increases. In other words, the inclined surface SL1 has a larger cross-sectional area as it is separated from the concave insertion portion 12A (rear side surface) which is the applying portion 1A when viewed from the direction of the rear side surface of the cover 1. It is tilted. In addition, of the fitting surface with the fitting groove 21Lc, the concave insertion portion 12A (rear side) having the largest gap and serving as the applying portion 1A at the position closest to the concave inserting portion 12A serving as the applying portion 1A. The gap becomes smaller and disappears from a certain position, and the fitting claw 11Lc and the fitting groove 21Lc come into contact with each other.

Further, the fitting claw 11Bb is also formed with an inclined surface SL2 similar to the inclined surface SR2. That is, the inclined surface SL2 is inclined so as to approach the surface SL2 as it moves away from the concave insertion portion 12A from one end closer to the concave insertion portion 12A that becomes the applying portion 1A of the fitting claw 11Bb. In other words, the inclined surface SL2 is inclined so that the cross-sectional area increases as it approaches the left side surface from the concave insertion portion 12A on the rear side of the cover 1. Further, on the fitting surface with the fitting groove 21Bb, the gap is the largest at the position closest to the concave insertion portion 12A serving as the applying portion 1A, and as the distance from the concave inserting portion 12A serving as the applying portion 1A increases. , The gap becomes smaller, the gap disappears from a certain position, and the fitting claw 11Bb and the fitting groove 21Bb come into contact with each other.

Therefore, as shown in FIG. 9, the fitting claw 11Rc and the fitting groove 21Rc are in contact with each other on the front surface of the portable device 10. That is, a force is applied to the contact surface when the cover 1 and the case 2 are separated. On the other hand, the fitting claw 11Rc and the fitting groove 21Rc are not in contact with each other at the position in the direction of the concave insertion portion 12A which is the applying portion 1A. That is, since the cover 1 and the case 2 are not in contact with each other in the direction of separation, the force required at the time of initial movement is reduced. On the other hand, the engagement amount ΔLc (not shown) of the fitting claw 11Rc with respect to the fitting groove 21Rc does not change at any cross-sectional position, so that the fitting force does not change.

Although not shown, the fitting claw 11Ba and the fitting groove 21Ba are in contact with each other on the right side surface of the portable device 10. That is, a force is applied to the contact surface when the cover 1 and the case 2 are separated. On the other hand, the fitting claw 11Ba and the fitting groove 21Ba are not in contact with each other at a position close to the concave insertion portion 12A which is the applying portion 1A. That is, since the cover 1 and the case 2 are not in contact with each other in the direction of separation, the force required at the time of initial movement is reduced. On the other hand, since the amount of engagement ΔBa with respect to the fitting claw 11Ba and the fitting groove 21Ba does not change at any cross-sectional position, the fitting force does not change.

If one end of the inclined surface SR1 coincides with one end closer to the concave insertion portion 12A that becomes the applying portion 1A of the fitting claw 11Rc, the other end is the applying portion of the fitting claw 11Rc. It does not necessarily have to coincide with one end far from the concave insertion portion 12A which is 1A. That is, it is not always necessary to form the inclined surface SR1 from one end to the other of the fitting claw 11Rc, and the inclined surface SR1 extends from one end closer to the concave insertion portion 12A to be the applying portion 1A to the middle of the fitting claw 11Rc. It may be formed. This also applies to the inclined surface SL1 of the fitting claw 11Lc, the inclined surface SR2 of the fitting claw 11Ba, and the inclined surface SL2 of the fitting claw 11Bb.

Next, with reference to FIGS. 6, 22 and 23, a fitting state between the cover 1 and the case 2 when the housing 12 is disassembled when the battery 16 is replaced or the like will be described.
First, when the housing 12 is disassembled, for example, as shown in FIG. 22 (1), a disk-shaped coin 301 is inserted into the concave insertion portion 12A of the portable device 10. Next, as shown in FIG. 22 (2), the cover 1 and the case 2 are rotated by rotating the coin 301 in the direction of the arrow A1 so as to tilt the surface of the coin 301 while the coin 301 is inserted into the insertion portion 12A. A force is applied in the direction of separation. That is, as shown in FIG. 23, a force for lifting the rear side surfaces of the cover 1 and the case 2 in the vertical direction is applied.

As a result, first, the fitting claw 11Ba of the cover 1 and the fitting groove 21Ba of the case 2, and the fitting claw 11Bb of the cover 1 and the case 2 are fitted closest to the insertion portion 12A of the recess where the force is directly applied by the coin 301. The mating between the joint grooves 21Bb is disengaged. As shown in FIG. 23, this fitting is performed by using the fulcrum S1 on the opposite side of the force point F1 (forced portion), and the lever principle (W1 is the action point of the fitting claw 11Ra (11La), W2 is the fitting claw. The force applied by the coin 301 is most difficult to be transmitted from the action point of 11Rb (11Lb) and W3 is the action point of the fitting claw 11Rc (11Lc).
Subsequently, the fitting claw 11Rc of the cover 1 and the fitting groove 21Rc of the case 2 close to the insertion portion 12A, and the fitting claw 11Lc of the cover 1 and the fitting groove 21Lc of the case 2 are disengaged. The force applied by the coin 301 is also relatively difficult to be transmitted to this fitting portion.

However, due to the inclined surface SR1 of the fitting claw 11Rc, the inclined surface SL1 of the fitting claw 11Lc, the inclined surface SR2 of the fitting claw 11Ba, and the inclined surface SL2 of the fitting claw 11Bb, the closer to the concave insertion portion 12A, the more the coin rotates. Occasionally, when the cover 1 and the case 2 start to move, there is no contact between the fitting surfaces, and the force required for the initial movement is reduced. As a result, the required moment of force can be reduced, so that these four matings can be easily disengaged.

Therefore, excessive force is applied to the fitting claw 11Ba and the fitting groove 21Ba, the fitting claw 11Bb and the fitting groove 21Bb, the fitting claw 11Rc and the fitting groove 21Rc, and the fitting claw 11Lc and the fitting groove 21Lc. , It is possible to prevent deformation or damage of each part. Further, it is possible to prevent the cover 1 or the case 2 from being bent or deformed due to an excessive force applied to the cover 1 or the case 2 without being disengaged.

Then, as shown in FIG. 22 (3), when the coin 301 is further rotated in the direction of the arrow A2 while being inserted into the concave insertion portion 12A, further force is applied in the direction of separating the cover 1 and the case 2. Be done.
As a result, the fitting claw 11Rb of the cover 1 and the fitting groove 21Rb of the case 2, which are separated from the concave insertion portion 12A in the longitudinal direction of the housing 12, and the fitting claw 11Lb of the cover 1 Fitting between the fitting groove 21Lb of the case 2, fitting between the fitting claw 11Ra of the cover 1 and the fitting groove 21Ra of the case 2, fitting of the fitting claw 11Ra of the cover 1 and the fitting groove 21Ra of the case 2 The mating between them comes off. These four fittings are relatively far from the concave insertion portion 12A, and the force applied by the coin 301 is relatively easily transmitted, so that they can be easily disengaged.

Therefore, in order to make it easier for the cover 1 and the case 2 to be disengaged by user operation, it is not necessary to reduce the fitting force by reducing the fitting position or adjusting the amount of the fitting portion, so that the fitting force may be reduced due to an impact such as dropping. It is possible to prevent the fitting from coming off. In addition, the airtightness between the cover 1 and the case 2 can be kept high, and the waterproof property is excellent.

As described above, in the portable device of the first embodiment, the applying portion 1A for separating the cover 1 and the case 2 is provided on the side surface of the cover 1 or the case 2, and a plurality of fitting claws 11 are provided on the side surface of the cover 1. A plurality of fitting grooves 21 are formed on the side surface of the case 2 to be fitted with the fitting claws 11, and among the fitting portions of the fitting claws 11 and the fitting grooves 21, the fitting portions are closest to the applying portion 1A. The size of the portable device body is increased by providing a gap in the fitting surface of the fitting portion at a position close to the force portion 1A and forming a surface that inclines so that the gap becomes smaller as the distance from the force portion 1A increases. This does not require an increase in cost, and makes it easier for the user to disassemble the housing 12 when replacing the battery.

Embodiment 2.
Next, the portable device according to the second embodiment of the present application will be described with reference to FIGS. 10 to 13.
10 is a perspective view showing the portable device of the second embodiment, FIG. 11A is an exploded view when the housing 12 is viewed from above, and FIG. 11B is an exploded view when the housing 12 is viewed from below. An exploded view, FIG. 12 is a left side view and a partially enlarged view of the housing 12, FIG. 13 (a) is a bottom view of the portable device 10, and FIG. 13 (b) is a sectional view taken along line BB of FIG. 13 (a). 13 (c) is an enlarged cross-sectional view of the fitting claw 11La and the fitting groove 21La, and FIG. 13 (d) is an enlarged cross-sectional view of the fitting claw 11Lc and the fitting groove 21Lc.
Is.

In FIGS. 10 and 11, the portable device 10 has a housing 12 composed of a cover 1 and a case 2. Specifically, the housing 12 is formed by fitting a cover 1 and a case 2 having rectangular openings having substantially the same shape with the openings facing each other. Further, the cover 1 and the case 2 can be separated by a user operation.
At the boundary between the cover 1 and the case 2 on the left side surface of the housing 12 in the longitudinal direction, a concave insertion portion that becomes a force portion 1A by combining with the cover 1 at the upper end of the left side surface in the longitudinal direction of the case 2. A recess forming 12C is formed. The concave insertion portion 12C is formed of a groove having a predetermined depth, and has a shape that makes it easy to insert a member such as a coin or a screwdriver.

Further, as in the first embodiment, the fitting claw 11Lc of the cover 1 and the fitting groove 21Lc of the case 2, and the fitting claw 11La of the cover 1 and the case adjacent to the concave insertion portion 12C serving as the applying portion 1A. In the fitting portion of the fitting groove 21La of No. 2, a gap is provided at a position close to the force portion 1A, and a surface is formed so as to be inclined so that the gap becomes smaller as the distance from the force portion 1A increases.
Then, when the housing 12 is separated, for example, the user inserts a coin into the concave insertion portion 12C and rotates the coin so as to tilt the surface of the coin. As a result, the fit between the cover 1 and the case 2 is disengaged, the cover 1 and the case 2 are separated, and the cover 1 and the case 2, that is, the housing 12 can be disassembled.
Other configurations are the same as those in FIGS. 3 and 4 of the first embodiment, and the same or corresponding parts are designated by the same reference numerals and the description thereof will be omitted. In FIG. 11, the fitting claws 11Ba and 11Bb in the lateral direction of the cover 1 and the fitting grooves 21Ba and 21Bb in the lateral direction of the case 2 are not shown because they cannot be seen in the figure.

Next, with reference to FIGS. 12 and 13, details of the fitting portions formed on the side surfaces of the cover 1 and the case 2 will be described.
Of the fitting claws 11 of the cover 1 and the fitting grooves 21 of the case 2, the fitting claws and fitting groove shapes excluding the fitting claws 11La and 11Lc and the fitting grooves 21La and 21Lc are the fitting grooves of FIG. Since it has the same shape as the joint claw 11Lb and the fitting groove 21Lb, the description thereof will be omitted.

The fitting claw 11Lc shown in FIG. 12 has a concave insertion portion of the case 2 by cutting out a part of the surface forming the fitting surface of the fitting claw having the same cross section as the fitting claw 11Lb of FIG. It has a shape in which an inclined surface SL3 inclined toward 12C is formed. That is, the inclined surface SL3 is inclined so as to approach the surface SL3 as it moves away from the concave insertion portion 12C from one end closer to the concave insertion portion 12C of the fitting claw 11Lc.

In other words, the inclined surface SL3 is inclined so that the cross-sectional area increases as the distance from the concave insertion portion 12C increases when viewed along the side surface from the direction of the side surface on the rear side of the cover 1. In addition, the gap is the largest at the position closest to the concave insertion portion 12C on the fitting surface with the fitting groove 21Lc, and the gap becomes smaller as the distance from the concave insertion portion 12C increases, and the gap disappears from a certain position. , The fitting claw 11Lc and the fitting groove 21Lc come into contact with each other.

The fitting claw 11La shown in FIG. 12 has a concave insertion portion of the case 2 by cutting out a part of the surface forming the fitting surface of the fitting claw having the same cross section as the fitting claw 11Lb of FIG. It has a shape in which an inclined surface SL4 inclined toward 12C is formed. That is, the inclined surface SL4 is inclined so as to approach the surface SL4 as it moves away from the concave insertion portion 12C from one end closer to the concave insertion portion 12C of the fitting claw 11La.

In other words, the inclined surface SL4 is inclined so that the cross-sectional area increases as the distance from the concave insertion portion 12C increases when viewed along the side surface from the direction of the side surface on the rear side of the cover 1. In addition, among the fitting surfaces with the fitting groove 21La, the gap is the largest at the position closest to the concave insertion portion 12C, and the gap becomes smaller as the distance from the concave insertion portion 12C increases, and the gap disappears from a certain position. , The fitting claw 11La and the fitting groove 21La come into contact with each other.

Therefore, as shown in FIG. 13, the fitting claw 11Lc and the fitting groove 21Lc are in contact with each other on the front surface of the portable device 10. That is, when the cover 1 and the case 2 are separated, a force is applied to the contact surface (fitting surface). On the other hand, at the position in the direction of the concave insertion portion 12C, the fitting claw 11Lc and the fitting groove 21Lc are not in contact with each other. That is, the force required at the time of initial movement when separating the cover 1 and the case 2 becomes small. Since the amount of the fitting claw 11Lc applied to the fitting groove 21Lc does not change at any cross-sectional position, the fitting force does not change.

Further, as shown in FIG. 13, the fitting claw 11La and the fitting groove 21La are in contact with each other on the rear surface of the portable device 10. That is, when the cover 1 and the case 2 are separated, a force is applied to the contact surface (fitting surface). On the other hand, at the position in the direction of the concave insertion portion 12C, the fitting claw 11La and the fitting groove 21La are not in contact with each other. That is, the force required at the time of initial movement when separating the cover 1 and the case 2 becomes small. Since the amount of the fitting claw 11La applied to the fitting groove 21La does not change at any cross-sectional position, the fitting force does not change.
Therefore, in the portable device of the second embodiment as well as the portable device of the first embodiment, the user can easily disassemble the housing 12 at the time of battery replacement or the like.

Embodiment 3.
Next, the portable device according to the third embodiment of the present application will be described with reference to FIGS. 14 to 18. FIG. 14 is a perspective view of the portable device, and FIG. 15 is an exploded view of the portable device.
In the first and second embodiments, an example in which the housing 12 of the portable device is composed of the cover 1 and the case 2 is shown, but in the third embodiment, a cover is further added, and the cover is formed from two covers sandwiching the case. It is the one that has become.

In FIGS. 14 and 15, in addition to the components of the cover 1 and the case 2, the cover 3 is added to the surface of the case 2 opposite to the cover 1 to form the housing 12. At the boundary between the cover 3 and the case 2, a recess is formed at the upper end of the side surface in the lateral direction on the rear side of the cover 3 to form a concave insertion portion 12D serving as a force portion 1A by combining with the case 2. There is. The concave insertion portion 12D is formed of a groove having a predetermined depth, and has a shape that makes it easy to insert a member such as a coin or a screwdriver. Other configurations are the same as those in FIG. 2 of the first embodiment, and the same or corresponding portions are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 15, in the portable device 10, the substrate 15 and the waterproof packing 14 are arranged on the case 2, and the button 13 is arranged on the substrate 15. The button 13 is inserted into the hole 1a of the cover 1 and exposed on the upper surface (operation surface) of the portable device 10. The cover 3 is provided on the surface of the case 2 opposite to the cover 1, and the battery 16 is arranged between the substrate 15 and the cover 3 via the case 2.

Next, with reference to FIGS. 16 to 18, details of the fitting portions formed on the side surfaces of the cover 1 and the case 2 and the case 2 and the cover 3 will be described.
16 (a) is a top view of the portable device 10, FIG. 16 (b) is a sectional view taken along line BB of FIG. 16 (a), and FIG. 16 (c) is an enlarged view of a broken line portion shown in FIG. 16 (b). 17 (a) is a cross-sectional view of the fitting portion of the housing, FIG. 17 (b) is an enlarged view of the broken line portion shown in FIG. 17 (a), and FIG. 18 (a) is a plan view of the cover 3 and FIG. 18 (a). b) is a cross-sectional view taken along the line BB of FIG. 18 (a), and FIG. 18 (c) is an enlarged view of the broken line portion shown in FIG. 18 (b).

In FIG. 16C, of the three fitting claws 31La, 31Lb, and 31Lc on the left side surface of the cover 3, the cross section of the fitting claw 31Lb in the middle has a mountain shape, while the fitting of the case 2 The cross section of the groove 21Lb has a valley shape corresponding to the fitting claw 31Lb. As a result, as shown by the dotted circled portion in the drawing, it is the surface (fitting surface) where the fitting groove 21Lb and the fitting claw 31Lb come into contact with each other, and when the cover 3 and the case 2 are separated. The surface on which the force is applied is inclined with respect to the separation direction (vertical direction). Therefore, it is easy to disengage the fitting groove 21Lb and the fitting claw 31Lb.

Further, as shown in FIGS. 17 and 18, the fitting claw 31Lc close to the concave insertion portion 12D serving as the applying portion 1A has a portion having the same cross section as that of FIG. 16 and a part of the fitting claw cut out. As a result, the cover 3 has a shape in which an inclined surface SL5 that inclines toward the concave insertion portion 12D (rear side surface) is formed. Since this has the same shape and effect as the inclined surface SR1 described in the first embodiment, the description thereof will be omitted.

On the other hand, as shown in FIG. 16C, the cross section of the fitting claw 12Lb of the cover 1 is trapezoidal, and the contact surface of the case 2 with the fitting groove 22Lb is horizontal. The cross section of the fitting claw 12Lb has substantially the same shape as this figure at any position. As a result, the contact surface (fitting surface) is perpendicular to the separation direction (vertical direction) when the cover 1 and the case 2 are to be separated from each other. The fitting portion of the fitting groove 22Lb is less likely to come off than the fitting portion of the fitting claw 31Lb and the fitting groove 21Lb.

Although not shown, the cross section of the other fitting portion has substantially the same shape as that of FIG. Further, regarding the portion of the fitting claw of the cover 3 in which the initial load is desired to be reduced when the cover 3 is separated from the case 2, the concave insertion portion serving as the applying portion 1A is based on the same concept as in the first embodiment. An inclined surface SL5 is provided to a part of the fitting claw 31La of the fitting portion close to 12D so that the gap on the fitting surface becomes smaller.
Further, in the description of the present embodiment, an example in which the concave insertion portion 12D to be the applying portion 1A is formed at the boundary between the cover 3 and the case 2 is shown, but when the cover 1 and the case 2 are disassembled, the cover 1 and the case 2 are described. It may be formed at the boundary of case 2.
Further, as shown in FIG. 16D, the case 2 may not be exposed to the outside of the housing. That is, only the cover 1 and the cover 3 are exposed to the outside of the housing. When disassembling the case 2 and the cover 1, or the case 2 and the cover 3, a recessed insertion portion 12D serving as the applying force portion 1A may be formed at the boundary between the cover 1 and the cover 3.

In the configuration of the third embodiment, since the substrate 15 is housed in the area surrounded by the cover 1 and the case 2 where the fitting portion is hard to come off, the user cannot easily access the substrate 15, so that the substrate 15 is modified. Can be prevented. On the other hand, the batteries arranged in the case 2 can be replaced by separating the cover 3 from the case 2.

Embodiment 4.
Next, the portable device according to the fourth embodiment of the present application will be described with reference to FIGS. 19 to 21. 19 is an exploded view of the portable device, FIG. 20 (a) is a bottom view of the portable device 10, FIG. 20 (b) is a sectional view taken along line BB of FIG. 20 (a), and FIG. 20 (c) is FIG. 20 (b). 21 (a) is a plan view of the case 2, FIG. 21 (b) is a cross-sectional view taken along the line BB of FIG. 21 (a), and FIG. 21 (c) is a view of FIG. 21 (c). An enlarged view of the broken line portion shown in b), FIG. 21 (d) is a perspective view of the cover 1, and FIG. 21 (e) is an enlarged view of the broken line portion shown in FIG. 21 (d).

In the embodiment described above, an example in which the fitting claw 11 of the cover 1 is inclined is shown, but as shown in FIGS. 19 to 21, the inclined surface SL6 is provided in the fitting groove 23Lc of the case 2. , It is possible to obtain the same effect as described above. Since the other configurations are the same as those in the first embodiment, the same or corresponding parts are designated by the same reference numerals and the description thereof will be omitted.

That is, in FIGS. 19 to 21, the applying portion 1A of the fitting groove 23Lc (corresponding to 21Lc in FIG. 3) close to the concave insertion portion 12A (applying portion 1A) of the fitting groove 21 of the case 2. At a position close to, an inclined surface SL6 (see FIG. 21) is provided, which has the smallest cross-sectional area when viewed from the applying portion 1A and is inclined so that the cross-sectional area increases as the distance from the applying portion 1A increases. In addition, among the fitting surfaces of the cover 1 with the fitting claw 13Lc (corresponding to 11Lc in FIG. 4), the gap is the largest at a position close to the concave insertion portion 12A, and the gap increases as the distance from the concave insertion portion 12A increases. Becomes smaller, the gap disappears from a certain position, and the fitting claw 13Lc and the fitting groove 23Lc come into contact with each other.

Embodiment 5.
In the first embodiment, an example is shown in which the cover 1 and the case 2 are provided with 10 fitting portions and 4 fitting portions to which the present application is applied are provided, but the actual decomposability such as 3 or less or 5 or more. Alternatively, the number of fitting points may be changed in consideration of the disassembly method and the like. In this case, the above-mentioned inclined surface may be formed on the fitting claw close to the concave insertion portion 12A.

Further, in the portable device of the embodiment described above, the fitting claw 11 is provided on the cover 1 and the fitting groove 21 is provided on the case 2. However, in reverse, the fitting groove is provided on the cover 1. , The case 2 may be provided with a fitting claw. Further, a fitting claw may be formed on the cover 1 and a fitting claw may be formed on the case 2, and a fitting portion may be formed between the fitting claws.
Further, as shown in FIG. 16 used in the description of the third embodiment, a fitting structure having a fitting claw and a fitting groove may be provided along either the inner circumference or the outer circumference of the side surfaces of the cover 3 and the case 2. Good.

Further, in the above description, an example is shown in which the shape around the fitting portion of the cover 1 (3) and the case 2 is substantially rectangular, but in the present application, the cover 1 (3) and the case 2 are applied. It can also be applied to a portable device in which the shape around the fitting portion of the above is a shape other than a rectangle (for example, an ellipse, a polygon, a curved shape, etc.). In this case, on the side surfaces of the cover 1 and the case 2, the side surfaces of the cover 1 are placed on both sides of the applying force portion 1A (for example, the coin insertion portion) to which a force is applied when the cover 1 (3) and the case 2 are separated. A plurality of fitting claws extending in a direction away from the applying portion 1A may be formed along the outer circumference or the inner circumference of the.

Then, among those plurality of fitting claws, the fitting claw close to the applying portion 1A has the smallest cross-sectional area and is separated from the applying portion at the position closest to the applying portion. An inclined surface that is inclined so that the cross-sectional area becomes larger may be provided. In addition, among the fitting surfaces with the fitting claw, the gap is the largest at the position closest to the applying portion, and as the distance from the applying portion increases, the gap becomes smaller and the gap disappears from a certain position. The fitting groove may have a structure of contact.

Further, in the present application, a force is applied to a predetermined portion of the housing by a method other than inserting and rotating a coin or the like (for example, opening by hand or using a special member) to cover 1 (3). It can also be applied to a portable device that separates the case 2 from the case 2.
Further, the number of buttons of the portable device is not limited to one as described above, and can be set to any number, and the buttons and the cover may be molded as one part.
Further, the present application can be applied to a device for forming a housing by fitting a cover and a case by a fitting claw and a fitting groove, in addition to a portable device for locking / unlocking a vehicle door or starting an engine. It is possible.

Although the present disclosure describes various exemplary embodiments and examples, the various features, embodiments, and functions described in one or more embodiments are those of a particular embodiment. It is not limited to application, but can be applied to embodiments alone or in various combinations.
Therefore, innumerable variations not illustrated are envisioned within the scope of the techniques disclosed in the present application. For example, it is assumed that at least one component is modified, added or omitted, and further, at least one component is extracted and combined with the components of other embodiments.

1, 3: Cover, 2: Case, 12: Housing, 1A: Forced part, 15: Board, 16: Battery,
11Fa, 11Fb, 11Ba, 11La-11Lc, 11Ra-11Rc: fitting claws,
21Fa, 21Fb, 21Ba, 21La-21Lc, 21Ra-21Rc: Fitting groove,
12A, 12C, 12D: concave insertion part,
SL1, SL2, SL3, SL4, SL5: Inclined surface.

Claims (10)

In a portable device having a housing formed by fitting a cover and a case, a force portion for separating the cover and the case is provided on the cover or a side surface of the case, and the force portion is provided. A plurality of fitting claws extending in a direction away from the applied portion are formed on the outer circumference or the inner circumference of the formed side surface, and the plurality of fittings are formed on the inner circumference or the outer circumference of the side surface of the case or the cover. A fitting groove that fits with the mating claw is formed, and among a plurality of fitting portions of the fitting claw and the fitting groove, the fitting portion is located on both sides of the force portion and is closest to the force portion. A portable device characterized in that a gap is provided at a position close to the force portion on the fitting surface at the joint portion, and an inclined surface is formed in which the gap becomes smaller as the distance from the force portion increases. The circumference of the portion where the cover and the case are fitted is rectangular, and the applying portions are provided on the side surface of the cover or the case in the lateral direction, and a plurality of the applying portions are provided on both side surfaces in the longitudinal direction of the cover. The first aspect of the invention, wherein each of the fitting claws is formed, and a plurality of fitting grooves for fitting with the fitting claw are formed on both side surfaces in the longitudinal direction of the case. Portable device. The circumference of the portion where the cover and the case are fitted is rectangular, and the applying portions are provided on the side surface of the cover or the case in the longitudinal direction, and a plurality of the applying portions are provided on both side surfaces of the cover in the lateral direction. The first aspect of the present invention, wherein each of the fitting claws is formed, and a plurality of fitting grooves for fitting with the fitting claw are formed on both side surfaces of the case in the lateral direction. Portable device. The circumference of the portion where the cover and the case are fitted is rectangular, and the applying portion is provided on the side surface of the cover or the case in the longitudinal direction, and a plurality of portions are provided on both side surfaces in the longitudinal direction of the cover. The portable device according to claim 1, wherein each fitting claw is formed, and a plurality of fitting grooves for fitting with the fitting claw are formed on both side surfaces in the longitudinal direction of the case. Machine. The case according to any one of claims 1 to 4, wherein the housing formed by the cover and the case houses a substrate on which electronic components are mounted and a battery for supplying electric power to the substrate. Portable device. The portable device according to any one of claims 1 to 5, wherein the force-applying portion is composed of a concave insertion portion formed at a boundary between the cover and the case. The cover is composed of two covers sandwiching the case, and a concave insertion portion for separating the cover and the case at the boundary between one of the two covers and the case, or the boundary between the two covers. The portable device according to any one of claims 1 to 6, wherein a force-bearing unit composed of the above is provided. The fitting portion between the cover on the side without the force-applying portion and the case is characterized in that it has a structure that is hard to come off as compared with the fitting portion between the cover on the side with the force-applying portion and the case. The portable device according to claim 7. The method according to any one of claims 1 to 8, wherein the inclined surface whose void becomes smaller as the distance from the applied portion is formed is formed by forming an inclined surface on the fitting claw. Portable device. The method according to any one of claims 1 to 8, wherein the inclined surface whose void becomes smaller as the distance from the applied portion is formed is formed by forming an inclined surface in the fitting groove. Portable device.

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