JP4640910B2 - Electronic device with battery holding structure - Google Patents

Description

The present invention relates to electronic apparatus having a resolver Tteri holding structure to hold the battery within the electronic device, such as a simplified controller.

  Conventionally, in order to supply power to an electronic device such as a simplified controller, for example, as shown in FIG. 2A, a battery 20 may be housed inside the device and used as a power source. And when storing this battery 20 in an electronic device, it is necessary to make it easy to insert the battery 20 as shown in the figure. In addition, it is necessary to take into account the dimensional error of the battery itself. Therefore, a battery storage space having a margin in comparison with the size of the battery itself is required. For this reason, a general electronic device usually includes a battery storage space 51 inside the electronic device having an extra space in which a certain gap G is generated around the battery when the battery is held in addition to the size of the battery itself. . In particular, battery packs that are packed by combining cells that are often used in electronic devices have variations in dimensions, so that a storage space with a margin is indispensable.

  Thus, conventionally, since the battery 20 is stored in a battery storage space that is slightly larger than the size of the battery itself, the battery has rattled inside the electronic device. In order to prevent this rattling, a metal fitting 61 or sponge 62 having a spring structure is attached to the back of the cover 30 that covers the battery 20 as shown in FIGS. 2B and 3A. Therefore, it is necessary to hold the battery 20 in the storage space using these elastic forces (see, for example, Patent Document 1).

  Further, as shown in FIG. 3B, a spring 63 is provided in a part of the battery storage space 51, and the battery 20 is always pressed against the cover 30 by the urging force of the spring 63 to prevent the battery from rattling. There was also a structure to do.

  Further, there is a structure in which a battery is fastened in the battery storage space using a special holding belt to prevent the battery from shaking in the storage space (see, for example, Patent Document 2).

Japanese Patent Laying-Open No. 2003-118397 (page 4, FIG. 2) JP-A-10-145984 (page 3, FIG. 13)

  According to the battery holding structure of the electronic device disclosed in Patent Literature 1 and Patent Literature 2, additional parts such as a spring, a sponge, and a band are specially used, so that the number of parts increases and the battery storage operation becomes difficult. There are drawbacks. Another drawback is that the cost of the electronic device itself is increased and the assembling property of the electronic device is lowered. Furthermore, when the spring, sponge, band or the like deteriorates, there is a drawback that it is impossible to prevent the battery from shaking in the battery storage space.

An object of the present invention is to provide an electronic apparatus having a resolver Tteri holding structure can firmly hold a long period the battery inside the electronic device with a simple configuration.

In order to solve the above-described problems, an electronic device including the battery holding structure according to the present invention
In an electronic device having a battery holding structure for holding a battery including a cable having an elastic repulsive force in a bent state inside the electronic device,
An opening for inserting the battery; a bottom wall with which the bottom surface of the battery contacts when the battery is stored ; a side wall adjacent to the bottom wall and with which a side surface in the longitudinal direction of the battery contacts; A battery storage space comprising a protrusion protruding from the vicinity of the opening;
At least a part of the battery storage space is formed adjacent to the opposite side of the protrusion of the battery storage space in a state of being deviated by a certain amount with respect to the longitudinal central axis of the battery storage space. A cable storage space adapted to communicate with the battery storage space;
The cable storage space is configured such that when the battery is stored in the battery storage space and the cable is bent and stored in the cable storage case, the battery has an elastic repulsion force of the cable itself and the cable storage space. The bottom wall and the side wall are caused by the repulsive force acting in the direction of communication with the battery housing space combined with the elastic repulsive force generated by pressing a part of the cable housed on the wall of the battery housing space of the cable housing space. While being pressed, it is arranged with a volume so as not to jump out of the battery storage space by the protrusion.

  By bending and storing the cable in the cable storage space, the battery is urged toward the protruding portion side by using this elastic repulsion force. Thus, the battery can be reliably prevented from engaging with the protrusion and the battery riding on the protrusion and jumping out of the battery storage space, and the battery is securely held inside the electronic device.

The present invention Ru can Rukoto obtain an electronic apparatus having a resolver Tteri holding structure to securely hold over time the battery inside the electronic device with a simple structure by implementing.

  Hereinafter, a battery holding structure of an electronic device according to an embodiment of the present invention will be described with reference to the drawings. 1A is a view of the battery holding structure of the electronic device according to the embodiment of the present invention as seen from the battery insertion side, and FIG. 1B is a cross-sectional view taken along the line II in FIG. .

  A battery holding structure for an electronic device according to an embodiment of the present invention is a housing made of, for example, PP (polypropylene), as can be seen from FIGS. 1 (a) and 1 (b) partially showing the electronic device. 10, a battery storage space 11 formed in a part of the housing 10, and a cable storage space 12 formed in part in communication with the battery storage space 11. Although not shown in the figure, the printed circuit board is accommodated in the casing of the electronic device in a state where a large number of electronic components are mounted on the printed circuit board. In the case of this embodiment, the battery 20 housed inside the electronic device has an elongated rectangular parallelepiped shape, and a cable 21 having a certain length is led out from an end portion in the longitudinal direction. Note that the cable 21 is made of a material and dimensions that generate an elastic repulsion force that tends to return itself when bent. Further, a connector 22 is connected to the end of the cable 21 so as to be connected to a connector of a printed circuit board (not shown) accommodated in the electronic device so that electric power is supplied from the battery to the electronic component mounted on the printed circuit board. It has become.

  The battery storage space 11 has a slightly larger volume than the outer shape of the battery 20 to be held, and one side thereof opens as a battery insertion opening 11a. In addition, a bottom wall 11b with which one end of the battery 20 abuts is formed in the battery storage space 11, and a protrusion 13 for preventing battery pop-out is formed in the vicinity of the battery insertion opening of the bottom wall 11b. ing.

  The cable storage space 12 is formed adjacent to the opposite side of the protrusion 13 of the battery storage space 11, and a part thereof communicates with the battery storage space 11. In addition, the communication part of the battery storage space 11 and the cable storage space 12 has a clearance enough to allow the cable 21 to be inserted as shown in FIG. Further, the cable storage space 12 is formed to be deviated by a certain amount with respect to the central axis in the longitudinal direction of the battery storage space 11 as shown in FIG. The volume of the cable storage space 12 has a predetermined volume according to the length of the cable 21 to be stored. When the cable 21 provided in the battery 20 is stored in a bent state, the volume of the battery 20 is bent and a part of the cable 21 is pressed against the wall 12b of the cable storage space 12 to generate an elastic repulsion force. The volume is such that the repulsive force acts on the battery lead-out side end of the cable 21 and presses the battery 20 against the protrusion side of the battery storage space 11.

  Further, a cover (not shown) is detachably attached to the openings of the cable storage space 12 and the battery storage space 11 by latch engagement.

  Next, a specific battery holding method and its operation in the battery holding structure of the electronic device having the above configuration will be described. First, the battery 20 including the cable 21 and the connector 22 is inserted into the battery storage space 11 through the opening 11 a of the battery storage space 11. Then, one end of the battery 20 is positioned in a recess formed by the protrusion 13 and the bottom wall 11b. At the same time, the cable 21 is stored in the cable storage space 12 in a bent state. Then, the connector 22 of the cable 21 is fitted into a mating connector of a printed board (not shown) housed in the electronic device.

  As a result, the battery 20 is restricted from moving at one end by the protrusion 13 on the bottom wall 11b. In addition, since the cable 21 is stored in the cable storage space 12 in a bent state, the elastic repulsion force of the cable itself and the elastic repulsion force generated by pressing a part of the cable 21 against the wall portion 12b of the cable storage space 12 are combined. A cable repulsive force F is applied, and this cable repulsive force F acts toward one end of the battery 20 (the lower end of the battery 20 in the figure). And the component force which acts on the battery end surface side of the said cable repulsive force F presses the battery 20 against the bottom wall 11b of the battery storage space 11, and prevents the battery 20 from jumping out of the battery storage space 11 in cooperation with the protrusion 13. To do. Moreover, the component force which acts on the battery side surface of the cable repulsive force F presses the battery 20 against the side wall 11c of the battery storage space 11 so that the battery 20 is held in the battery storage space without rattling.

  Thus, since the cable storage space 12 is formed with a certain amount of deviation with respect to the longitudinal center axis of the battery storage space 11, the cable repulsive force of the cable 21 stored in the cable storage space 12 is affected by the battery 20. Are pressed against both the bottom wall and the side wall of the battery storage space 11 at the same time, and the protrusions 13 prevent the battery 20 from popping out, so that the battery 20 can be held in the battery storage space 11 without rattling.

  Subsequently, the openings of the battery storage space 11 and the cable storage space 12 are closed with a cover (not shown). Thus, the battery 20 is protected and erroneous operation is prevented.

  As described above, the battery holding structure using the elasticity of the cable of the battery itself without using a spring, sponge, or band can suppress the rattling of the battery 20 without adding any special parts. it can. That is, the battery 20 can be stored in the electronic device without rattling due to the elastic repulsive force of the cable 21, and the battery 20 can be stored without protruding from the battery storage space 11 by the protrusion 13. In addition, since the battery 20 can be held inside the electronic device by a simple operation of simply bending the cable 21 and pushing it into the cable storage space 12 and inserting the battery 20 into the battery storage space 11, The troublesome work of attaching the cover while pushing the energized battery into the battery storage space so as not to jump out is not required.

  In addition, the elastic repulsion force by the cable 21 can be freely set by selecting the volume of the cable storage space 12, the length and thickness of the cable, and the material of the cable.

  Further, the battery storage space and the cable storage space may be integrated to form a single storage space. However, the bent state of the cable 21 can be more positively managed when the cable storage space 12 is separately formed with a certain amount of deviation with respect to the central axis of the battery storage space 11 as in the present embodiment. In addition, since the battery can be pressed against both the side wall and the bottom wall of the battery storage space using the cable repulsive force, the battery holding structure is preferable.

As described above, it is possible to prevent rattling when storing the battery without adding special parts to prevent rattling or dropping of the battery. by the amount that does not require a component well as a low cost, it is possible to obtain an electronic apparatus having firmly possible battery-retaining structure hold the battery over time.

  It is not limited to the battery holding structure of the simple controller, and can be widely applied to any electronic device that houses a battery having a cable having an elastic repulsion force in a bent state.

FIG. 1A is a view of a battery holding structure of an electronic device according to an embodiment of the present invention as viewed from the battery insertion side (FIG. 1A), and FIG. 1A is a cross-sectional view taken along line II in FIG. FIG. 2A is a view of a conventional battery holding structure of an electronic device as viewed from the battery insertion side (FIG. 2A), and FIG. 2B is a cross-sectional view illustrating a state where the battery of FIG. )). Sectional drawing (FIG. 3 (a)), FIG.2 (b), FIG.3 (a) corresponding to FIG.2 (b) which showed the battery holding structure of the conventional electronic device different from FIG.2 (b) And FIG. 3B is a cross-sectional view (FIG. 3B) corresponding to FIG. 2B showing a battery holding structure of another conventional electronic device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Case 11 Battery storage space 11a Battery insertion opening part 11b Bottom wall 11c Side wall 12 Cable storage space 12b Wall part 20 Battery 21 Cable 22 Connector 13 Protrusion part

Claims (1)

In an electronic device having a battery holding structure for holding a battery including a cable having an elastic repulsive force in a bent state inside the electronic device,
An opening for inserting the battery; a bottom wall with which the bottom surface of the battery contacts when the battery is stored ; a side wall adjacent to the bottom wall and with which a side surface in the longitudinal direction of the battery contacts; A battery storage space comprising a protrusion protruding from the vicinity of the opening;
At least a part of the battery storage space is formed adjacent to the opposite side of the protrusion of the battery storage space in a state of being deviated by a certain amount with respect to the longitudinal central axis of the battery storage space. A cable storage space adapted to communicate with the battery storage space;
The cable storage space is configured such that when the battery is stored in the battery storage space and the cable is bent and stored in the cable storage case, the battery has an elastic repulsion force of the cable itself and the cable storage space. The bottom wall and the side wall are caused by the repulsive force acting in the direction of communication with the battery housing space combined with the elastic repulsive force generated by pressing a part of the cable housed on the wall of the battery housing space of the cable housing space. An electronic device having a battery holding structure, wherein the electronic device is pressed and is disposed with a volume that does not protrude from the battery storage space by the protrusion.

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