JP4143548B2 - Electronics - Google Patents

Description

  The present invention relates to a battery fixing structure for electronic devices, particularly portable electronic devices.

  Some electronic devices have a configuration in which a secondary battery is detachably mounted. However, the secondary battery usually does not require high external accuracy and has a large dimensional tolerance. In a part where a battery of an electronic device is to be mounted, a concave portion having a corresponding size is usually formed in the casing of the main body of the electronic device, and a battery box having a configuration in which the concave portion is covered with a lid that can be opened and closed is formed. In general, the dimensions of the battery box are also set to allow a sufficient margin in consideration of battery tolerance.

  In such battery mounting, in particular, when the size of the battery is relatively small within the tolerance range, and the size of the battery box of the main body is large within the tolerance range, Depending on the combination, the play may be relatively large and the wearing state may become unstable. Further, in this case, the electrical contact state between the battery and the electronic device main body becomes unstable, and there is a possibility that poor contact is likely to occur. In particular, in a portable electronic device, vibration may be applied when carrying the battery, and the battery is preferably fixed stably and firmly.

  On the other hand, conventionally, as a configuration capable of elastically deforming an electrode constituting an electrical contact, a configuration for stabilizing the contact of the contact using its elastic force is known, and a cushion material is used. A configuration for stabilizing the wearing state is also known. Such examples are disclosed in Patent Documents 1 to 4 and the like.

FIG. 5 shows a schematic diagram of a typical conventional example of a battery fixing structure configured to stabilize the battery mounting state using a cushion material. In this conventional example, a cushion material 52 is attached to the side surface of the battery mounting recess 51 formed in the housing of the electronic device main body 50. When the battery 60 is mounted in the battery mounting recess 51, the cushion material 52 is elastically deformed, and the elastic force causes the battery 60 to be pressed against the side surface opposite to the side where the cushion material 52 is provided. Thus, the battery 60 is stably mounted without rattling.
Japanese Utility Model Publication No. 06-082754 Japanese Patent Laid-Open No. 2002-075305 Japanese Patent Laid-Open No. 03-127446 Japanese Patent Laid-Open No. 06-243847

  However, the above-described conventional technique has a problem that the cushion material 52 is easily peeled off.

  That is, in the configuration shown in FIG. 5, the battery 60 normally has one end of the battery 60 placed in the battery mounting recess 51, and the end of the inserted side contacts the side surface of the battery mounting recess 51. The battery 60 is mounted by swinging the battery 60 as indicated by an arrow and putting the other end of the battery 60 into the battery mounting recess 51. At this time, the end of the battery 60 on the side that is to be inserted into the battery mounting recess 51 later is the end surface of the cushion material 52 on the opening side of the battery mounting recess 51 when the end is inserted into the battery mounting recess 51. Abut. As a result, a force is applied to the cushion material 52 in the direction of peeling from the attached side surface.

  For this reason, there is a possibility that a part of the cushion material 52 may be peeled off or dropped while the battery 60 is repeatedly attached and detached. If the cushion material 52 is peeled off, the contact state with the battery 60 becomes unstable, and the function of stabilizing the mounting state of the battery 60 may not be performed. Furthermore, if the cushion material 52 falls off, the battery 60 cannot be mounted stably.

  The present invention aims to solve the above-described problems of the prior art, that is, the object of the present invention is to contact the battery to be mounted on the side surface of the battery mounting recess of the electronic device main body and to install the battery. In the battery fixing structure provided with the cushioning material that stabilizes the battery, the cushioning material is unlikely to be peeled off, and a battery fixing structure having high durability against repeated attachment and detachment of the battery is provided.

To achieve the above object, the present invention, the electronic equipment is an electronic device battery mounting recess is formed in the electronic apparatus main body for detachably securing the battery, on the side surface of the battery mounting recess The guide portion protruding toward the inside of the battery mounting recess and a cushion material are provided, and the surface of the cushion material facing the inside of the battery mounting recess is on the end side on the opening side of the battery mounting recess. It is located in the outer peripheral side of a battery mounting recessed part from a guide part, and is located inside a battery mounting recessed part from a guide part in the bottom part side of a battery mounting recessed part, It is characterized by the above-mentioned.

  According to this configuration, when the battery is mounted, on the surface of the battery mounting recess where the cushion material is provided, the end of the battery first contacts the guide portion without contacting the cushion material. Then, as the battery is inserted along the guide portion, the end portion of the battery eventually reaches a position where the cushion material is located inside the battery mounting recess rather than the guide portion, where the cushion material Will be in contact. At this time, the contact position of the end portion of the battery does not become the end surface of the cushion material on the opening side of the battery mounting recess, but is a side surface facing the inside of the battery mounting recess. Therefore, at this time, almost no force is applied to the cushion material in the direction of peeling it.

  In the present invention, it is preferable that the surface of the cushion material facing the inside of the battery mounting recess has a smooth shape without a step. As a result, the end of the battery does not get caught when it contacts the surface of the cushion facing the inside of the battery mounting recess, so that excessive force is not applied to the cushion, and the battery is smooth. It becomes possible to be able to attach to.

  The guide portion is preferably configured such that the guide surface facing the inside of the battery mounting recess is positioned inside the battery mounting recess as it goes toward the bottom side of the battery mounting recess. As a result, the battery mounting recess has a shape that substantially widens toward the opening side, so that it becomes easy to insert the battery, and the battery becomes more suitable as the battery is inserted to the bottom side. It can be guided to the correct position.

  It is also preferable to round the end portion of the guide portion on the opening side of the battery mounting recess. Accordingly, when the battery is inserted, the insertion operation can be performed more smoothly by preventing the end of the battery from being caught by the end surface of the guide portion on the opening side of the battery mounting recess.

  In the present invention, as described above, the surface of the cushion material positioned inside the battery mounting recess is positioned on the opening side of the battery mounting recess and on the outer periphery side of the battery mounting recess with respect to the guide, and the battery mounting In order to be positioned inside the battery mounting recess on the bottom side of the recess, it is necessary to appropriately set the shape and positional relationship between the cushion material and the guide portion. As an example of such a setting, the surface of the cushion material facing the inside of the battery mounting recess and the guide surface of the guide portion facing the inside of the battery mounting recess toward the opening side of the battery mounting recess. A configuration having a portion located along an inclined plane inclined in the outer peripheral direction of the concave portion, a portion of the cushion material facing the inside of the battery mounting concave portion extending along the inclined plane, and a bottom surface of the battery mounting concave portion A configuration can be used in which the angle between the perpendicular and the angle between the portion of the guide surface extending along the inclined plane and the perpendicular of the bottom surface of the battery mounting recess is larger.

  Moreover, it is preferable to provide a cushion material in the side surface facing the part in which the connection terminal which contacts the external terminal of a battery was provided of the battery mounting recessed part. Accordingly, the battery is pressed toward the connection terminal side by the elastic force of the cushion material, and the contact state of the battery can be kept good by this pressing force.

  According to the present invention, by arranging the cushion material on the side surface of the battery mounting recess, it is possible to stably hold the battery and maintain a good contact state, while the end of the battery is cushioned when the battery is mounted. This prevents the material from coming into contact with the end surface of the battery mounting recess on the opening side, thereby preventing the cushion material from being peeled off or falling off and enhancing the durability.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 to 4 are schematic views of an example of an electronic apparatus including the battery fixing structure of the present embodiment, FIGS. 1 and 2 are perspective views, FIG. 3 is an enlarged view of a guide portion and a cushion material portion, and FIG. These are sectional drawings along the AA line of FIG.

  As shown in these drawings, a battery mounting recess 2 is formed in the electronic device main body 1, and the opening surface of the recess can be covered with a lid member (not shown). Although not shown in detail in one side surface of the battery mounting recess 2, a connection terminal 5 is provided. When the connection terminal 5 comes into contact with an external terminal (not shown) of the battery 10, A connection is made.

  A rib-shaped guide portion 3 protruding toward the inside of the battery mounting recess 2 is provided on the side surface of the battery mounting recess 2 opposite to the side surface on which the connection terminal 5 is provided. The end surface of the guide portion 3 facing the inside of the battery mounting recess 2 constitutes a guide surface 3a with which the end surface abuts when the battery 10 is mounted, as will be described later. The guide surface 3a is slightly inclined toward the outer peripheral side of the battery mounting recess 2 from the direction perpendicular to the bottom surface of the battery mounting recess 2 toward the opening side of the battery mounting recess 2, and the opening of the battery mounting recess 2 The near end is rounded.

  In addition, a cushion material mounting surface 6 is formed in the battery mounting recess 2 by a part of the side surface provided with the guide portion 3 that is different from the guide surface 3a, and the cushion material 4 is attached to the cushion material mounting surface 6. It is attached. The cushion material mounting surface 6 is also inclined toward the outer peripheral side of the battery mounting recess 2 from the direction perpendicular to the bottom surface of the battery mounting recess 2 toward the opening side of the battery mounting recess 2. The cushion material 4 having a constant thickness is affixed to the inclined cushion material mounting surface 6, so that the surface of the cushion material 4 facing the inside of the battery mounting recess 2 is also an inclined surface.

  At this time, as can be seen from FIG. 3, the cushion material 4 has a surface facing the inside of the battery mounting recess 2 at the end of the battery mounting recess 2 on the opening side of the battery mounting recess 2 from the guide surface 3 a. On the other hand, the end of the battery mounting recess 2 on the bottom side is positioned inside the battery mounting recess 2 from the guide surface 3a. Therefore, as shown in FIG. 4, the angle β between the surface of the cushioning material 4 and the perpendicular of the bottom surface of the battery mounting recess 2 is the same as the perpendicular of the bottom surface of the battery mounting recess 2 of the guide surface 3 a. And the positional relationship between the guide surface 3 a and the cushion material mounting surface 6 is set to an appropriate position in consideration of the thickness of the cushion material 4.

  Next, the operation of mounting the battery 10 in the battery mounting recess 2 will be described.

  First, as shown in FIGS. 1 and 3, the battery 10 is slanted so that the end of the connection terminal 5, that is, the left side of the figure is downward, and is inserted into the battery mounting recess 2 from this end. . Next, the battery 10 is inserted into the battery mounting recess 2 while keeping the inserted left end portion in a state where the battery 10 is swung as shown by an arrow in FIG. The right end opposite to that is inserted into the battery mounting recess 2.

  When the right end portion of the battery 10 is inserted into the battery mounting recess 2, the end portion first comes into contact with the guide surface 3a. At this time, since the guide surface 3a is inclined as described above, that is, is widened toward the opening side of the battery mounting recess 2, and the end portion on the opening side is rounded. 10 can be inserted into the battery mounting recess 2 without difficulty. When the right end of the battery 10 is inserted deeply, the battery 10 is guided by the right end of the battery 10 being in contact with the inclined guide surface 3 so that the external terminal is connected to the connection terminal. Guided in the direction toward the 5 side. That is, the battery 10 can be led to an appropriate position side where stable contact can be obtained.

  When the battery 10 is inserted with the right end thereof along the guide surface 3 a in this way, the right end of the battery 10 eventually comes into contact with the cushion material 4. At this time, since the end of the cushion material 4 on the opening side of the battery mounting recess 2 is located on the outer peripheral side of the battery mounting recess 2 with respect to the guide surface 3 a, the end of the battery 10 is It does not contact the end surface, but contacts the side surface of the cushion material 4 facing the inside of the battery mounting recess 2. When the battery 10 is further pushed in, the cushion material 4 is elastically deformed, and the battery 10 is pressed against the connection terminal 5 side by the elastic force of the cushion material 4. By providing the cushion material 4 in this way, the tolerance of the battery 10 and the battery device recess 2 is absorbed, and the battery 10 is applied with a substantially constant pressing force even if there is some dimensional variation. Can be fixed stably. At this time, in the present embodiment, the pressing force of the cushion material 4 is configured to be applied in a direction in which the external terminal of the battery 10 is directed toward the connection terminal 5 of the electronic device main body 1, so that the contact state of the battery 10 is ensured. Can be kept in a good state.

  According to the present embodiment described above, when the battery 10 is completely mounted, the battery 10 comes into contact with the cushion material 4 provided on the side surface of the battery mounting recess 2 and is stably fixed by applying its elastic force. In addition, a good contact state can be maintained. At this time, when the battery 10 is mounted, the end of the battery 10 comes into contact with the cushion material 4. This contact occurs on the end surface of the cushion material 4 on the opening side of the battery mounting recess 2 as in the prior art. The end of the battery 10 contacts only the surface of the cushion material 4 facing the inside of the battery mounting recess 2. For this reason, in this embodiment, when the battery 10 is mounted, when the end of the battery 10 comes into contact with the cushion material 4, the cushion material 4 has almost no force in the direction in which the cushion material 4 is peeled off as in the prior art. It is not applied, and most of the force is applied in the direction of pressing the cushion material 4 toward the cushion material mounting surface 6. For this reason, peeling of the cushion material 4 can be prevented and durability can be enhanced.

  In the present embodiment, the guide surface 3a has an example in which most of the guide surface 3a is planar. However, the entire guide surface 3a may have a gently curved shape. Even in the case of the curved shape, the guide surface 3a is preferably positioned so as to be located inside the battery mounting recess 2 toward the bottom surface side of the battery mounting recess 2, and as described above, With one end inserted into the battery mounting recess 2, it becomes possible to insert the other end into the battery mounting recess 2 without difficulty and to guide it to a preferred mounting position as the battery 10 is pushed in. it can.

  Similarly, the cushion material mounting surface 6 and the surface of the cushion material 4 may be curved. However, the surface of the cushion material 4 facing the inside of the battery mounting recess 2 is preferably a smooth surface without a step, so that when the battery 10 is mounted, the end of the battery 10 is the cushion material. 4, it is possible to prevent an excessive force from being applied to the cushion material 4, and the battery 10 can be mounted smoothly.

It is a perspective view of an example electronic device provided with the battery fixing structure of the embodiment of the present invention. It is the perspective view which looked at the electronic device of FIG. 1 from the other direction. It is an enlarged view of the part of a guide part and a cushion material of the electronic device of FIG. FIG. 3 is a cross-sectional view taken along line AA in FIG. 2, in which an overall view is shown in the upper part, and an enlarged view of a part surrounded by an alternate long and short dash line is shown in the lower part. It is sectional drawing which shows the battery fixing structure of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,50 Electronic device main body 2,51 Battery mounting recessed part 3 Guide part 3a Guide surface 4,52 Cushion material 5 Connection terminal 6 Cushion material attachment surface 10,60 Battery

Claims (6)

A battery mounting recess for removably fixing the battery is an electronic device formed in the electronic device body ,
The side surface of the battery mounting recess is provided with a guide portion protruding toward the inside of the battery mounting recess and a cushion material, and the surface of the cushion material facing the inside of the battery mounting recess is The opening side of the battery mounting recess is positioned on the outer peripheral side of the battery mounting recess from the guide portion, and the bottom side of the battery mounting recess is positioned inside the battery mounting recess from the guide portion. to have, electronic equipment. The cushion material, the surface facing the inside of the battery mounting recess has a smooth shape with no step, according to claim 1, the electronic equipment. 3. The electron according to claim 1, wherein a guide surface of the guide portion facing the inside of the battery mounting recess is positioned inside the battery mounting recess toward the bottom side of the battery mounting recess. equipment. The edge part of the opening side of the said battery mounting recessed part of the guide surface which faces the inside of the said battery mounting recessed part of the said guide part is rounded. , electronic equipment. The surface of the cushion material that faces the inside of the battery mounting recess, and the guide surface of the guide portion that faces the inside of the battery mounting recess are formed toward the opening side of the battery mounting recess. A portion located along each inclined plane inclined in the outer peripheral direction, a portion extending along the inclined plane of the surface of the cushion material facing the inside of the battery mounting recess, and the battery The angle between the vertical line of the bottom surface of the mounting recess and the angle between the portion of the guide surface extending along the inclined plane and the vertical line of the bottom surface of the battery mounting recess is 5. according to any one, the electronic equipment. The electronic device according to any one of claims 1 to 5, wherein the cushion material is provided on a side surface of the battery mounting recess facing a portion provided with a connection terminal that contacts an external terminal of the battery. equipment.

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