JP2018009881A - Battery fixing device and watch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery fixing device capable of surely fixing a battery into a battery storage recess part, without looseness and to provide a watch including the battery fixing device.SOLUTION: The battery fixing device includes a battery 9 and a housing 11 on which the battery 9 is mounted. The housing 11 includes: a battery storage recess part 11a which regulates the position in the surface direction of the battery 9 and stores the battery 9; and a battery pressing part 18 which inserts the battery 9 stored in the battery storage recess part 11a into the bottom part of the battery storage recess part 11a and regulates the position in the thickness direction of the battery 9. Therefore, the position in the surface direction of the battery 9 stored in the battery storage recess part is regulated by the battery storage recess part 11a of the housing 11 and the battery 9 is inserted into the bottom part of the battery storage recess part 11a by the battery pressing part 18, to regulate the position in the thickness direction of the battery 9, so that the battery 9 is not loosened in the battery storage recess part 11a. Thus, the battery 9 can be surely fixed into the battery storage recess part 11a.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a battery fixing device used for electronic devices such as a wristwatch, a mobile phone, and a portable information terminal, and a timepiece having the same.

  For example, in a battery fixing device for a wristwatch, as described in Patent Document 1, a housing for a watch module incorporated in a wristwatch case is provided with a battery housing recess for housing a battery, and a ground plate is attached to the ground plate. In addition, there is known a configuration in which a battery holding portion for elastically pressing the battery in the battery housing recess is provided.

JP 2012-108041 A

  In this type of battery fixing device, the battery holding portion provided on the base plate protrudes toward the open side of the battery housing recess, and the protruding battery holding portion includes a contact portion that contacts the battery, and the contact portion. And a pressing portion that is provided on the tip side and is pressed by a back cover attached to the back surface of the watch case to press the contact portion against the battery.

  In such a wristwatch battery fixing device, when the battery is pressed into the battery housing recess, the contact portion of the battery pressing portion provided on the base plate is in contact with the battery located on the open side of the battery housing recess. Since the pressing portion pressed by the back cover presses the contact portion against the battery, the battery is merely elastically pressed into the battery housing recess only by the contact portion of the battery pressing portion. There is a problem that the battery is easily rattled and cannot be reliably fixed in the battery housing recess.

  The problem to be solved by the present invention is to provide a battery fixing device that can securely fix the battery in the battery housing recess without rattling, and a timepiece including the battery fixing device.

  The present invention includes a battery and a housing on which the battery is mounted. The housing restricts a position in the surface direction of the battery to store the battery, and the battery storage recess stores the battery. A battery holding device is provided, wherein a battery holding portion is provided that sandwiches the formed battery between the bottom portion of the battery housing recess and regulates the position in the thickness direction of the battery.

  According to the present invention, the position in the surface direction of the battery stored therein can be regulated by the battery storage recess of the housing, and the battery is sandwiched between the bottom of the battery storage recess by the battery pressing portion of the housing. In addition, since the position in the thickness direction of the battery can be regulated, the battery does not rattle in the battery housing recess, and the battery can be securely fixed in the battery housing recess.

1 is an enlarged front view showing an embodiment in which the present invention is applied to a wristwatch. It is the enlarged front view which showed the timepiece module integrated in the inside of the wristwatch shown in FIG. FIG. 3 is an enlarged side view of the timepiece module shown in FIG. 2. FIG. 3 is an enlarged back view of the timepiece module shown in FIG. 2. It is an expanded sectional view in the AA arrow of the timepiece module shown in FIG. It is the expansion perspective view which looked at the housing of the timepiece module shown in FIG. 5 from the back side.

Hereinafter, an embodiment in which the present invention is applied to a wristwatch will be described with reference to FIGS.
As shown in FIG. 1, the wristwatch includes a wristwatch case 1. A watch band 2 is attached to the 12 o'clock side and 6 o'clock side of the watch case 1. Switch parts 3 are provided on the 2 o'clock side, 3 o'clock side, 4 o'clock side, and 8 o'clock side of the wristwatch case 1, respectively.

  In addition, a watch module 4 is provided inside the watch case 1 as shown in FIGS. The timepiece module 4 includes an analog block 5 and a circuit block 6, which are stacked one above the other. The analog block 5 includes a timepiece movement (none of which is shown) having a gear train mechanism, and is configured such that a dial 7 (see FIG. 3) is arranged on the upper surface thereof.

  That is, as shown in FIGS. 1, 3 and 5, the analog block 5 has a pointer shaft 8a of the train wheel mechanism in the timepiece movement protruding above the dial 7 through the through-hole 7a of the dial 7. A pointer 8 such as a second hand, a minute hand, and an hour hand is attached to the upper end portion of the protruding pointer shaft 8a, and when the pointer 8 moves the dial 7 above, the time is indicated and displayed as shown in FIG. It is configured as follows.

  As shown in FIGS. 4 and 5, the circuit block 6 includes a housing 11 on which electronic components such as a button-type battery 9 and an antenna 10 are mounted, and a first circuit board 12 disposed on the upper surface of the housing 11. A second circuit board 13 disposed on the lower surface of the housing 11, and a base plate 14 for assembling the housing 11, the first circuit board 12, and the second circuit board 13 to the lower side of the analog block 5. ing.

  In this case, as shown in FIGS. 4 to 6, the housing 11 is provided with a battery housing recess 11 a for housing the battery 9, located approximately at 7 o'clock. Further, the housing 11 is provided with an antenna housing portion 11b for housing the antenna 10 so as to be positioned on the approximately 1 o'clock side in a state adjacent to the battery housing recess portion 11a.

  This antenna 10 is a patch antenna for GPS (global positioning system). As shown in FIGS. 4 to 6, the lower portion of the antenna 10 is disposed in the antenna housing portion 11 b of the housing 11, and the upper portion of the analog block 5 passes through the first substrate opening 12 a of the first circuit board 12. It is comprised so that it may be arrange | positioned in the antenna accommodating part 5b.

  As shown in FIG. 5, the first circuit board 12 is disposed on the lower surface of the analog block 5 in a state of being disposed on the upper surface of the housing 11, and in this state, the timepiece movement (not shown) of the analog block 5 is arranged. It is configured to be electrically connected. The first circuit board 12 is provided with a first board opening 12 a in which the upper part of the antenna 10 is disposed, corresponding to the antenna housing part 11 b of the housing 11.

  As shown in FIGS. 4 and 5, the second circuit board 13 is configured to be disposed on the lower surface of the housing 11 except for a portion corresponding to the battery housing recess 11 a of the housing 11. That is, the second circuit board 13 is provided with a second substrate opening 13 a for accommodating the battery 9 in the battery housing recess 11 a of the housing 11 corresponding to the battery housing recess 11 a of the housing 11. Yes.

  As shown in FIGS. 4 and 5, a metal base plate 14 is disposed on the lower surface of the second circuit board 13. The ground plane 14 is provided with a ground plane opening 14 a for accommodating the battery 9 in the battery accommodating recess 11 a of the housing 11 corresponding to the second substrate opening 13 a of the second circuit board 13. The ground plate 14 is provided with an electrode plate 15 for pressing the battery 9 stored in the battery storage recess 11 a of the housing 11.

  As shown in FIGS. 4 and 5, the electrode plate 15 has one end 15a formed integrally with the base plate 14, thereby being connected to the base plate 14, and the other end 15b being the outer periphery of the battery housing recess 11a. The battery 9 disposed in the battery housing recess 11a is pressed into the battery housing recess 11a, and the battery 9 and the ground plate 14 are electrically connected. Are configured to connect to each other.

  Further, as shown in FIGS. 3 to 5, a plurality of hook portions 16 are provided on the outer peripheral portion of the base plate 14 so as to protrude upward toward the outer peripheral surface of the analog block 5. As shown in FIG. 3, each of the plurality of hook portions 16 is provided with a rectangular locking hole 16 a at its upper end, and a protrusion provided on the locking hole 16 a so as to protrude from the outer peripheral surface of the analog block 5. It is comprised so that the part 5a may engage.

  That is, as shown in FIG. 3 and FIG. 5, the plurality of hook portions 16 include a ground plane 14, a second circuit board 13, a housing 11, a first circuit board 12, and an analog block 5 in order from the lower side. When overlapped, the protrusions 5a provided on the outer peripheral surface of the analog block 5 are engaged with the locking holes 16a at the upper end of the analog block 5 and extend upward along the outer peripheral surfaces. Has been.

  As a result, as shown in FIGS. 3 and 5, the ground plane 14 has the second circuit board 13, the housing 11, the first circuit board 12, and the analog block 5 superimposed on each other. When the projections 5 a provided on the outer peripheral surface of the analog block 5 are engaged with the locking holes 16 a of the plurality of hook portions 16, the second circuit board 13 is arranged. The housing 11, the first circuit board 12, and the analog block 5 are integrally assembled.

  By the way, as shown in FIGS. 4-6, the battery fixing apparatus 17 which fixes the battery 9 accommodated in the battery accommodating recessed part 11a is provided in the housing 11. As shown in FIG. The battery fixing device 17 is provided in the housing 11 and regulates the position of the battery 9 in the surface direction to store the battery 9 and the battery 9 stored in the battery storage recess 11a. And a battery retainer 18 that is sandwiched between the bottom of the housing recess 11a and regulates the position of the battery 9 in the thickness direction.

  In this case, as shown in FIGS. 4 to 6, the battery housing recess 11 a has an inner peripheral surface formed substantially the same size as the outer peripheral surface of the battery 9. That is, the battery housing recess 11a is configured such that when the battery 9 is housed therein, the outer peripheral surface of the battery 9 is disposed in close contact with the inner peripheral surface of the battery housing recess 11a. Thereby, the battery accommodating recess 11a is configured to regulate the position in the surface direction of the battery 9 when the battery 9 is accommodated therein.

  As shown in FIGS. 4 to 6, the battery holding portion 18 is provided integrally with the housing 11 in a state where the battery holding portion 18 is located on the side close to the antenna 10 in the battery housing recess 11 a. In other words, the battery holding portion 18 is provided on the side close to the antenna 10 in the battery housing recess 11 a and is provided across the open side of the battery 9.

  In this case, as shown in FIGS. 4 to 6, the battery retainer 18 is bridged between the edges of the battery housing recess 11 a at a position avoiding the center of the battery 9. Accordingly, the battery housing recess 11a is configured such that a portion located on the side opposite to the antenna 10 is opened wider than the battery pressing portion 18 side, and the battery 9 can be easily inserted from the widely opened portion. .

  Moreover, the space | interval of the bottom part of this battery accommodating recessed part 11a and the battery holding | suppressing part 18 is formed in the same length as the thickness of the battery 9, as shown in FIGS. For this reason, when the battery 9 is stored in the battery storage recess 11a, the battery 9 is configured to be fixed in a state where it is sandwiched between the bottom of the battery storage recess 11a and the battery presser 18 without rattling. ing.

  Further, as shown in FIGS. 4 to 6, the battery housing recess 11 a is located on the opposite side of the battery holding part 18, that is, the peripheral part 11 d located on the opposite side of the antenna 10 with respect to the central part of the battery 9. The peripheral edge portion 11 d of the battery housing recess 11 a is formed to be lower than the thickness of the battery 9. Thereby, the battery housing recess 11 a is configured to facilitate the insertion of the battery 9 from a position on the peripheral edge 11 d side lower than the thickness of the battery 9.

  Further, as shown in FIGS. 4 and 5, the battery 9 is housed in the battery housing recess 11 a and is sandwiched between the bottom of the battery housing recess 11 a and the battery holding portion 18. The open portion is pressed into the battery housing recess 11a by the electrode plate 15 provided on the base plate 14, and is electrically connected to the base plate 14 in this state.

Next, the operation of the battery fixing device 17 in such a watch module 4 will be described.
When the battery 9 is fixed by the battery fixing device 17, the battery 9 is inserted into the battery housing recess 11a from the open side of the battery housing recess 11a located on the side opposite to the antenna 10, and the inserted battery 9 is inserted into the battery housing recess 11a. The battery is held between the bottom of the battery housing recess 11a and the battery retainer 18.

  At this time, the battery holding part 18 is bridged between the edges on the open side of the battery housing recess 11a approaching the antenna 10 at a position avoiding the center part of the battery 9, so that the opposite side to the antenna 10 The location of the battery housing recess 11a located at is opened wider than the battery presser 18 side. For this reason, the battery 9 can be easily inserted into the battery housing recess 11a from the wide open side of the battery housing recess 11a.

  Further, at this time, the peripheral portion 11d of the battery housing recess 11a located on the opposite side of the battery holding portion 18 with respect to the center of the battery housing recess 11a, that is, the battery housing recess 11a located on the opposite side of the antenna 10 Since the peripheral edge portion 11d is formed lower than the thickness of the battery 9, the battery 9 can also be easily inserted into the battery housing recess 11a.

  When the battery 9 inserted from the open side of the battery housing recess 11a located on the side opposite to the antenna 10 is disposed in the battery housing recess 11a, the battery 9 is placed at the bottom of the battery housing recess 11a and the battery presser. 18 is sandwiched between. At this time, the battery holding portion 18 is provided on the side close to the antenna 10 in the battery housing recess 11 a and is provided across the open side of the battery 9. The battery 9 can be securely and satisfactorily sandwiched between the bottoms of the two.

  At this time, the distance between the bottom of the battery housing recess 11 a and the battery retainer 18 is formed to the same length as the thickness of the battery 9. For this reason, the battery 9 is sandwiched and fixed between the bottom of the battery housing recess 11a and the battery retainer 18 without rattling. Therefore, the position of the battery 9 in the surface direction is regulated by the battery housing recess 11a, and the position of the battery 9 in the thickness direction is regulated by being sandwiched between the bottom of the battery housing recess 11a and the battery pressing portion 18. In this state, the battery housing recess 11a is securely and satisfactorily fixed without rattling.

  In this state, the opened portion of the battery 9 is pressed by the electrode plate 15. At this time, the electrode plate 15 is bent around the one end portion 15a of the electrode plate 15 formed integrally with the base plate 14, and the other end portion 15b of the electrode plate 15 is provided on the outer peripheral portion of the battery housing recess 11a. Lock to the stop projection 11c. As a result, the electrode plate 15 presses the open side of the battery 9 into the battery housing recess 11a. For this reason, the battery 9 is also more reliably fixed in the battery housing recess 11 a by the electrode plate 15.

  Thus, in the state where the battery 9 is fixed in the battery housing recess 11a, the battery 9 does not rattle in the battery housing recess 11a. Therefore, even if the GPS antenna 10 is disposed in the vicinity of the battery 9, Radio interference of the antenna 10 due to the looseness of the battery 9 can be prevented, whereby variation in the reception sensitivity of the antenna 10 can be prevented, and the reception sensitivity of the antenna 10 can be stabilized.

  Thus, according to the battery fixing device 17 in the watch module 4 of the wristwatch, the battery housing recess 11a for housing the battery 9 by regulating the position in the surface direction of the battery 9 in the housing 11 in which the battery 9 is mounted, A battery retainer 18 is provided that sandwiches the battery 9 housed in the battery housing recess 11a between the bottom of the battery housing recess 11a and regulates the position of the battery 9 in the thickness direction. The storage recess 11a and the battery retainer 18 can securely fix the battery 9 in the battery storage recess 11a without rattling.

  That is, in the battery fixing device 17 of the timepiece module 4, the position in the surface direction of the battery 9 housed therein can be regulated by the battery housing recess 11 a of the housing 11, and the battery retainer 18 of the housing 11 The position of the battery 9 in the thickness direction can be regulated by sandwiching the battery 9 with the bottom of the battery housing recess 11a. For this reason, the battery 9 does not rattle in the battery housing recess 11a, and the battery 9 can be securely fixed in the battery housing recess 11a. Thereby, the radio wave interference of the antenna 10 due to the play of the battery 9 can be prevented, and the reception sensitivity of the antenna 10 can be stabilized.

  Further, in this battery fixing device 17, the GPS antenna 10 is mounted on the housing 11, the battery holding portion 18 is located on the side close to the antenna 10 in the battery housing recess 11 a and crosses the open side of the battery 9. By being provided, it is possible to reliably and satisfactorily prevent the battery holding portion 18 from rattling the battery 9 in the battery 9 housed in the battery housing recess 11 a, particularly at a location approaching the antenna 10. For this reason, the radio wave interference of the antenna 10 due to the looseness of the battery 9 can be surely prevented, so that variations in the reception sensitivity of the antenna 10 can be prevented and the reception sensitivity of the antenna 10 can be stabilized.

  In the battery fixing device 17, the battery retainer 18 is bridged between the edges of the battery housing recess 11 a at a position avoiding the center of the battery 9, so that the center of the battery 9 is the boundary. Thus, the open area of the battery housing recess 11a located on the opposite side of the battery retainer 18 can be made wider than the open area on the battery retainer 18 side, so that the battery retainer 18 between the edges of the battery housing recess 11a. The battery 9 can be easily and satisfactorily inserted into the battery housing recess 11a from a wide open area.

  Moreover, in this battery fixing device 17, the battery retainer 18 is bridged between the edges of the battery storage recess 11a, so that the battery retainer 18 spanned between the edges of the battery storage recess 11a. Since the battery 9 inserted in the battery housing recess 11a can be securely pressed and stored in the battery housing recess 11a, the battery 9 can be prevented from rattling and the battery 9 is good in the battery housing recess 11a. Can be fixed to.

  In this case, in the battery fixing device 17, since the distance between the bottom of the battery housing recess 11 a and the battery pressing portion 18 is formed to the same length as the thickness of the battery 9, The battery 9 inserted into the battery storage recess 11a can be securely pressed and stored in the battery storage recess 11a, thereby reliably preventing the battery 9 from rattling in the thickness direction. Can be reliably and satisfactorily fixed.

  Further, the battery housing recess 11a is formed such that at least the peripheral portion 11d located on the opposite side of the antenna 10 from the center of the battery 9 is formed lower than the thickness of the battery 9, so that the battery housing recess 11a is opened. Since the region side can be further widened, the battery 9 can be further easily inserted into the battery housing recess 11a.

  Further, the battery fixing device 17 includes the electrode plate 15 that presses the open surface of the battery 9 located on the side opposite to the antenna 10 with respect to the battery holding portion 18. Can be pressed into the battery housing recess 11a, so that the battery 9 can be reliably and satisfactorily fixed in the battery housing recess 11a.

  That is, the electrode plate 15 has one end portion 15a formed integrally with the base plate 14, so that the electrode plate 15 is connected to the base plate 14, and the other end portion 15b is provided on the outer peripheral portion of the battery housing recess 11a. The battery 9 disposed in the battery housing recess 11a can be pressed well into the battery housing recess 11a by the electrode plate 15 by being detachably locked to the battery housing. 9 and the ground plane 14 can be electrically connected.

  In the above-described embodiment, the case where the peripheral edge portion 11d of the battery housing recess portion 11a located on the side opposite to the antenna 10 is formed lower than the thickness of the battery 9 is described. A configuration in which the entire periphery of the peripheral edge portion 11 d of the battery housing recess 11 a is formed lower than the thickness of the battery 9 may be adopted.

  In the above-described embodiment, the case where the present invention is applied to a wristwatch has been described. However, the present invention is not necessarily a wristwatch, and may be applied to various watches such as a travel watch, an alarm clock, a table clock, and a wall clock. Can do. Further, the present invention is not necessarily a watch, and can be widely applied to electronic devices such as mobile phones and portable information terminals.

As mentioned above, although one Embodiment of this invention was described, this invention is not restricted to this, The invention described in the claim and its equal range are included.
The invention described in the claims of the present application will be appended below.

(Appendix)
The invention according to claim 1 includes a battery and a housing for mounting the battery, wherein the housing regulates a position in the surface direction of the battery and stores the battery, A battery holding portion for holding the battery stored in the battery storage recess between the bottom of the battery storage recess and regulating a position in the thickness direction of the battery; Device.

  According to a second aspect of the present invention, in the battery fixing device according to the first aspect, an antenna is mounted on the housing, and the battery holding portion is located on a side closer to the antenna in the battery housing recess. And it is provided across the open side of the said battery, It is a battery fixing device characterized by the above-mentioned.

  According to a third aspect of the present invention, in the battery fixing device according to the first or second aspect, the battery pressing portion is located between the edges of the battery housing recess at a position avoiding the central portion of the battery. It is a battery fixing device characterized by being spanned.

  According to a fourth aspect of the present invention, in the battery fixing device according to any one of the first to third aspects, the distance between the bottom of the battery housing recess and the battery pressing portion is the same as the thickness of the battery. The battery fixing device is characterized in that the battery fixing device is formed.

  According to a fifth aspect of the present invention, in the battery fixing device according to any one of the second to fourth aspects, the periphery of the battery housing recess is opposite to the antenna at least at the center of the battery. The battery fixing device is characterized in that a portion located on the side is formed lower than the thickness of the battery.

  According to a sixth aspect of the present invention, in the battery fixing device according to any one of the second to fifth aspects, the electrode plate that presses the open surface of the battery located on the opposite side of the antenna from the battery pressing portion. It is provided with the battery fixing device characterized by the above-mentioned.

  A seventh aspect of the present invention is the battery fixing device according to any one of the second to sixth aspects, wherein the antenna is a GPS patch antenna.

  The invention according to claim 8 is a timepiece including the battery fixing device according to any one of claims 1 to 7.

DESCRIPTION OF SYMBOLS 1 Watch case 4 Watch module 5 Analog block 6 Circuit block 9 Battery 10 Antenna 11 Housing 11a Battery accommodating recessed part 11b Antenna accommodating part 11c Locking protrusion 11d Peripheral part 12 1st circuit board 12a 1st board | substrate opening part 13 2nd circuit Substrate 13a Second substrate opening 14 Ground plate 15 Electrode plate 15a One end 15b Other end 16 Hook 17 Battery fixing device 18 Battery retainer

Claims (8)

A battery and a housing for mounting the battery,
The housing is sandwiched between a battery housing recess for housing the battery by regulating the position of the battery in the surface direction, and the battery housed in the battery housing recess between the bottom of the battery housing recess. And a battery holding part that regulates a position in the thickness direction of the battery.   2. The battery fixing device according to claim 1, wherein an antenna is mounted on the housing, and the battery holding portion is located on a side of the battery housing recess that is close to the antenna and crosses an open side of the battery. The battery fixing device characterized by the above-mentioned.   3. The battery fixing device according to claim 1, wherein the battery holding portion is bridged between edges of the battery housing recess at a position avoiding a central portion of the battery. Battery fixing device.   4. The battery fixing device according to claim 1, wherein an interval between a bottom portion of the battery housing recess and the battery pressing portion is formed to have the same length as a thickness of the battery. Battery fixing device.   5. The battery fixing device according to claim 2, wherein a peripheral portion of the battery housing recess is located at a position opposite to the antenna at least at the center of the battery. A battery fixing device, wherein the battery fixing device is formed lower than the thickness.   The battery fixing device according to any one of claims 2 to 5, further comprising an electrode plate that presses an open surface of the battery that is located on the opposite side of the antenna from the battery pressing portion. Battery fixing device.   The battery fixing device according to any one of claims 2 to 6, wherein the antenna is a GPS patch antenna. A timepiece comprising the battery fixing device according to any one of claims 1 to 7.

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