JPH10312781A - Battery storage structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the reduction of the packaging area of a printed wiring board, prevent short-circuiting of the circuit of the printed wiring board by a liquid leakage, and facilitate the replacement of a battery by storing and holding the battery in a battery storage case, storing the battery storage case in a storage section, and guiding a lead wire through the slit of the battery storage case. SOLUTION: One end of a lead wire 13 is connected to the positive and negative electrodes of a battery 12, the other end is connected to a plug 10 constituting a connector 8, and the positive and negative electrodes of the battery 12 are connected to the circuit of a printed wiring board 6 via lead wires 13, 7 when the plug 10 is coupled with a socket 9. A rectangular window 3 is bored on the surface of an apparatus casing 2, and a storage section 4 is formed from the peripheral end edge of the window 3 toward the inside of the apparatus casing 2. The battery 12 and connector 8 are held in the battery storage case 15, the lead wire 7 is guided through the slit 19a of a back plate 19, and the battery storage case 15 is inserted into the storage section 4 from the window 3 and stored in it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for accommodating batteries connected to circuits provided in various electronic equipment housings.

[0002]

2. Description of the Related Art Generally, such a battery storage structure is shown in FIG.
As shown in FIG. 0, a battery storage case 52 having an open top is mounted on a printed wiring board 51 provided in a device housing (not shown). A pair of contact pieces 53, 53 (one contact piece 53 is not shown) formed of a conductive material are provided on the inner side surfaces of the opposite side plates of the battery storage case 52. 53 is connected to the circuit of the printed wiring board 51. The battery 50 housed in the battery housing case 52 is printed wiring when the positive and negative electrode portions 50a, 50b (the electrode portion 50b is not shown) of the battery 50 contact the contact pieces 53, 53. It is connected to the circuit of the plate 51.

[0003]

However, in the above-described conventional battery storage structure, the battery storage case 52 is provided.
Is mounted on the printed wiring board 51, so that the mounting area of the printed wiring board 51 is reduced, and when the battery leaks,
There is a risk of short-circuiting the formed circuit. In addition, when the printed wiring board 51 is arranged inside the housing of the device, it is difficult to insert the hand into the inside of the device, and there is a problem that the replacement work of the battery 50 becomes complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object to reduce the mounting area of a printed wiring board and to prevent the circuit of a printed wiring board from leaking liquid. It is an object of the present invention to provide a battery accommodating structure that prevents short circuit of the battery and allows easy replacement of the battery.

[0005]

In order to achieve this object, a battery housing structure according to the present invention comprises a battery housing a battery connected to a circuit of a printed wiring board provided in an equipment housing in the equipment housing. A storage structure, in which a lead wire connected to each of the positive electrode and the negative electrode of the battery is connected to a lead wire derived from a circuit of a printed wiring board via a connector, and a holding portion for holding the battery and the connector is provided. It is provided on the device housing so that a part thereof appears on the surface of the device housing. Therefore, no battery is mounted on the printed wiring board. The replacement of the battery is performed on the surface of the device housing.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing a battery housing structure according to the present invention, FIG. 2 is a perspective view showing a connection state in which a battery and a connector are connected via lead wires, and FIG.
(A) is a plan view, and (b) is III in (a).
FIG. 3B is a cross-sectional view taken along the line III-B. In these figures, reference numeral 2 denotes a housing of an electronic device (not shown). A rectangular window 3 is formed in the surface of the housing, and the window 3 is integrally formed from the peripheral edge of the window 3 toward the inside of the device housing 2. A vertically-equipped rectangular cylindrical storage section 4 is formed. Reference numeral 6 denotes a printed wiring board provided in the device housing 2, and the window 3 is provided at a position separated from the printed wiring board 6. The lead wire 7 connected to the circuit of the printed wiring board 6 and led out is introduced into the storage unit 4 through an insertion hole (not shown) formed on the back surface of the storage unit 4, and the distal end thereof is connected to the connector 8. It is connected to a socket 9 formed in a substantially rectangular shape.

Reference numeral 12 denotes a battery.
One end of a lead wire 13 is connected to each of the negative electrodes,
The other end is connected to a plug 10 which is formed in a substantially rectangular shape and forms a connector 8. The positive and negative electrodes of the battery 12 are connected to the lead wire 1 by fitting the plug 10 into the socket 9.
It is connected to the circuit of the printed wiring board 6 via 3 and 7.

Reference numeral 15 denotes a battery storage case,
6. A pair of opposed side plates 17 and 18, a back plate 19 and a bottom plate 20 have a substantially U-shaped cross section with an open top. The external dimensions of the battery storage case 15 formed by the side plates 17 and 18 and the bottom plate 20 are slightly smaller than the internal dimensions of the storage section 4 of the device housing 2 described above. Both ends of the front plate 16 slightly protrude from both side plates 17 and 18 to form a flange 16.
a is formed, and a concave portion 16b is formed at the center of the edge of each of the flange portions 16a.

A claw portion 17a is provided at an upper portion in the longitudinal center of the inner side surface of one side plate 17 so as to protrude toward the inside of the battery housing case 15. A substantially central portion is formed in an arc-shaped cross section, and a projection 18 a is provided at an upper end thereof so as to protrude toward the inside of the battery storage case 15. Slit 1 with an open top on back plate 19
9a are formed, and the bottom plate 20 is formed with a concave portion 20a.

In such a configuration, the battery 12 and the connector 8 are inserted through the opening of the battery housing case 15 and
When the battery 2 is placed in the concave portion 20a of the bottom plate 20, a part of the upper surface of the battery 12 is engaged with the projection 18b, and the connector 8 and the battery 12 are held in the battery storage case 15. At this time, the lead wire 7 connected to the socket 9 of the connector 8 is led out of the slit 19 a of the back plate 19. In this state, the battery storage case 15 is
By inserting the flange 16a into the storage unit 4 from the window 3 until the flange 16a contacts the edge of the window 3, the battery storage case 15
Is stored in the storage unit 4. When pulling out the battery storage case 15 stored in the storage section 4 from the storage section 4, it is performed by inserting a driver or the like into the recess 16b of the front plate 16.

As described above, the battery 12 is stored in the battery storage case 1.
Since the battery 12 is housed and held in the printed wiring board 5 and is separated from the printed wiring board 6, the battery 12 is not mounted on the printed wiring board 6. Therefore, the mounting area of the printed wiring board 6 does not decrease, and even if the battery leaks, the printed wiring board 6 is not affected. Also, since the battery storage case 15 for storing and holding the battery 12 is stored in the storage unit 4 having the window 3 on the surface of the device 2, the battery storage case 15 can be easily taken out of the storage unit 4. The connection state of the connector 8 can be easily inspected, so that poor connection can be prevented. Further, since the lead wire 7 is led out from the slit 19a of the battery storage case 15, the battery 12 can be easily taken out together with the connector 9 by grasping the lead wire 7 with a finger. 12 can be easily replaced.

Also, a claw 17 is provided in the battery storage case 15.
a and the projection 18b, the battery 1
Since the connector 2 and the connector 8 are securely held in the battery storage case 15 and are led out from the slit 19a, the lead wires 7 and 13 are also securely held in the battery storage case 15. For this reason, when the battery storage case 15 is inserted and removed from the storage unit 4, the lead wires 7, 13
Since no slack occurs in the lead wires 7,
13 can be prevented from being pinched between the battery storage case 15 and the device housing 2, and disconnection can be prevented. In addition, since the longitudinal direction of the battery 12 stored in the battery storage case 15 and the storage direction of the battery storage case 15 in the storage unit 4 are made to coincide with each other, the external dimensions of the window 3 can be reduced. This is effective when the window 3 cannot be opened greatly in the device housing 2.

FIG. 4 is a perspective view showing a second embodiment of the present invention. The difference between the second embodiment and the first embodiment is that the battery storage case 15
In the storage direction of the battery 12 stored therein. That is,
With respect to the storage direction of the battery storage case 15 in the storage unit 4,
The longitudinal direction of the battery 12 stored in the battery storage case 15 is orthogonal. Therefore, the depth of the storage unit 4 may be formed so as to correspond to the diameter of the battery 12.
Therefore, the depth of the storage unit 4 can be reduced, which is effective when the depth of the device housing 2 is small.

FIGS. 5 and 6 show a third embodiment of the present invention. FIG. 5 is a perspective view, and FIG.
(A) -VI (a) sectional view, (b) is the VI in FIG.
It is a sectional view taken along the line (b) -VI (b). In the third embodiment, a battery housing window 2 is formed on an upper surface plate of a device housing 2, and a substantially flat battery cover 2 for opening and closing the window 3 is provided.
5 is provided. By engaging an engaging member 26 having an L-shaped cross section integrally formed with the battery lid 25 with one edge of the window 3, the battery lid 25 is rotatably supported around the engaging member 26. It was done.

A concave portion 25a is formed at the center of the edge of the battery cover 25 opposite to the engaging member 26, and elastic engaging pieces 27, each of which has a claw at the tip, are formed at both ends of the edge. 27 is erected. On the back surface of the battery cover 25, a holding piece 28 is provided so as to face the engaging member 26, and the interval between the holding piece 28 and the engaging member 26 is formed slightly larger than the entire length of the battery 12. Have been. On the back surface of the battery cover 25, arc-shaped first holding pieces 29, 29 each having a diameter substantially equal to that of the battery 12 and a part of a peripheral surface thereof being cut out, are provided in opposition to each other. A retaining piece 30 for holding the battery 12 together with the retaining piece 29 is projected.

As shown in FIG. 6A, the distance between the tip of the first holding piece 29 and the retaining piece 30 in side view is slightly smaller than the diameter of the battery 12. The interval between the pair of first holding pieces 29 is slightly larger than the entire length of the connector 8. Between the pair of first holding pieces 29, 29, a second holding piece 31 having a substantially inverted L-shaped cross section and a claw portion formed at a tip thereof is provided upright on the back surface of the battery lid 12. As shown in FIG.
Of the holding piece 31 from the back surface of the battery lid 12 is formed slightly longer than the length obtained by adding the height of the connector 8 to the diameter of the battery 12.

In such a configuration, the first holding piece 2
While elastically deforming the battery 9, the battery 12 is
Is inserted into the first holding piece 29 from the notch, and both end faces of the battery 12 are sandwiched between the engagement piece 26 and the holding piece 28. Therefore, the battery 12 is prevented from moving in the full length direction by the engagement piece 26 and the holding piece 28 and the first holding piece 29 is prevented from falling out of the notch by the retaining piece 30, so that the battery cover 25 Is held on the back side. Next, when the connector 8 is engaged in the second holding piece 31 while the second holding piece 31 is elastically deformed, the connector 8 is moved in the height direction by the battery 12 and the second holding piece 31. Is restricted, and the claw at the tip of the second holding piece 31 prevents the second holding piece 31 from coming off. At the same time, both end surfaces of the connector 8 are connected to a pair of first holding pieces 29,
29, the movement in the length direction is restricted by the pair of first holding pieces 29, 29, and the connector 8
Are held on the back surface of the battery cover 25.

After the battery 12 and the connector 8 are held on the battery cover 25 in this manner, the engagement piece 26 of the battery cover 25 is engaged with one edge of the window 3, and the engagement piece 26 is pivoted about the rotation center. The battery cover 25 is rotated to engage the claw portion with the other end of the window 3 while elastically deforming the elastic engagement piece 27, and the window 3 is closed by the battery cover 25. When replacing the battery 12, a screwdriver or the like is inserted into the concave portion 25 a of the battery lid 25 to elastically deform the elastic engaging piece 27 and engage the claw portion of the elastic engaging piece 27 with the other edge of the window 3. Cancel. Then, the battery cover 25 is
6 about the center of rotation to open the window 3 and
The battery cover 25 is removed from the device housing 2 by releasing the engagement between the window 6 and one end of the window 3.

Since the battery cover 25 can be removed from the device housing 2 in this manner, the replacement of the battery 12 is facilitated. In addition, it is only necessary to provide the window 3 in the device housing 2 and the member for holding the battery 12 and the connector 8 is formed by the battery cover 25 formed in a flat shape, so that the structure is simplified and the parts are simplified. Since the number of points is also reduced, manufacturing costs are reduced. Since the battery cover 25 is formed in a flat plate shape, attachment and detachment of the battery 12 are facilitated.

FIG. 7 shows a fourth embodiment of the present invention.
(A) is a sectional view, and (b) is a plan view. In the fourth embodiment, the battery cover 25 of the third embodiment described above is used.
In addition, an elongated rectangular window 25b is formed along the longitudinal direction of the battery 12 held by the battery lid 25.
The thickness of the rear surface side of the portion where 5b is formed is formed thin. By forming the window 35a in this manner, the battery 12 can be checked from the outside without removing the battery cover 25 from the device housing 2, so that forgetting to insert the battery can be prevented.

FIG. 8 is a perspective view showing a fifth embodiment of the present invention. In the fifth embodiment, the battery cover 25 is configured to open and close the window 3 via a battery cover 25 and a hinge 35 attached to the device housing 2.
As described above, the battery cover 25 is configured so as not to be detached from the device housing 2 by the hinge 35.
Can be prevented from being lost. Also, the battery cover 2 by the hinge 35
By setting the opening and closing direction of 5 to be a direction orthogonal to the longitudinal direction of the battery 12 held by the battery cover 25, the height of the battery cover 25 when opened from the window 3 can be reduced. Therefore, even when a sufficient space for battery replacement cannot be obtained above the window 3, battery replacement can be easily performed.

FIG. 9 shows a sixth embodiment of the present invention.
(A) is a transverse sectional view, (b) is a longitudinal sectional view. This sixth
In the embodiment, a cover 40 for closing the window 3 is provided.
And a battery storage case 44 for storing and holding the battery 12 and the connector 8. The peripheral end of the window 3 is formed in a stepped shape, and the outer peripheral end of the cover 40 is also formed with a step that engages with this step. Two pairs of opposing elastic engaging pieces 41 each having a claw projecting so as to face each other (a pair of elastic engaging pieces 41 are not shown) are provided upright. A pair of opposing elastic engagement pieces 42, 42 each having a claw projecting in the opposite direction from the front end thereof are provided on the back surface of the other side of the cover 40 facing the other side.

The battery housing case 44 is formed in a box shape having an open top by a bottom plate and a surrounding wall erected from the peripheral edge of the bottom plate, and a pair of side plates of two opposite side plates forming the surrounding wall. On the upper portions of the elastic engagement pieces 41,
The holes 45a, 45a with which the claw portions engage are formed so as to face each other. On one side plate 46 of another pair of side plates forming the surrounding wall, a slit 46a for leading a lead wire having an open top is formed.

In such a configuration, the battery 12 and the connector 8 are stored in the battery storage case 44, and the lead wire 7 is led out from the slit 46a. The cover 40 is placed over the opening of the battery case 44 so that the battery case 4
By engaging the claw portion of the elastic engagement piece 41 of the cover 40 with the hole 45 a of the cover 4, the battery storage case 44
I support. Next, the battery storage case 44 is inserted into the device housing 2 from the window 3, and the cover 40 is closed as shown in FIG.
The window 3 is closed by the cover 40 and the battery housing case 44 is housed in the device housing 2 by engaging the claw portion with the edge of the window 3 while elastically deforming the elastic engagement piece 42 of the above.

In the sixth embodiment, since the battery 12 is covered by the battery housing case 44 and the cover 40, even if the battery leaks, the battery does not leak from the battery housing case 44. Short circuit of the printed wiring board can be prevented. In addition, since the battery storage case 44 is supported by the cover 40, it is not necessary to form a storage unit for storing the battery storage case 44 inside the device housing 2, and therefore, the processing of the device housing 2 becomes easy.

[0026]

As described above, according to the present invention, it is possible to prevent a reduction in the mounting area of the printed wiring board,
Short circuit of a circuit formed on the printed wiring board due to leakage of the liquid from the battery can be prevented. In addition, since the user does not need to insert his hand to the inside of the device housing when replacing the battery, the replacement of the battery is facilitated.

Further, according to the second aspect of the invention, even if the battery liquid leaks, it does not leak from the battery storage case, and thus a short circuit of the circuit formed on the printed wiring board can be more reliably prevented. Since the battery can be easily removed from the battery storage case via the lead wire led out from the lead wire lead-out portion, the battery replacement work becomes easier. Also,
Since the lead wire is securely held in the battery storage case,
Disconnection of the lead wire when inserting and removing the battery storage case from the storage section can be prevented.

According to the third aspect, the structure is simplified, the number of parts is reduced, and the manufacturing cost is reduced.

According to the fourth aspect of the present invention, even if the battery fluid leaks, the battery does not leak from the battery housing case, so that a short circuit of the circuit formed on the printed wiring board can be more reliably prevented, and the equipment can be prevented. Processing of the housing becomes easy.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a battery housing structure according to the present invention.

FIG. 2 is a perspective view showing a state in which a lead wire derived from a battery in the battery housing structure according to the present invention is connected to a connector.

3A is a plan view of a battery housing structure according to the present invention, and FIG. 3B is a cross-sectional view taken along the line III (b) -III (b) in FIG.

FIG. 4 is an exploded perspective view showing a second embodiment of the battery housing structure according to the present invention.

FIG. 5 is a perspective view showing a third embodiment of the battery housing structure according to the present invention.

6A is a sectional view taken along line VI (a) -VI (a) in FIG. 5, and FIG. 6B is a sectional view taken along line VI (b) -VI (b) in FIG.

FIGS. 7A and 7B show a fourth embodiment of the battery housing structure according to the present invention, wherein FIG. 7A is a cross-sectional view and FIG.

FIG. 8 is a perspective view showing a fifth embodiment of the battery housing structure according to the present invention.

FIGS. 9A and 9B show a sixth embodiment of the battery housing structure according to the present invention, wherein FIG. 9A is a cross-sectional view and FIG.

FIG. 10 is a perspective view showing a conventional battery storage structure.

[Explanation of symbols]

2 ... device housing, 3 ... window, 4 ... storage unit, 6 ... printed wiring board, 7, 13 ... lead wire, 8 ... connector, 12 ... battery,
15, 44: battery storage case, 19a: slit, 2
5, 40 ... Battery cover.

Claims (4)

[Claims] A battery housing structure for housing a battery connected to a circuit of a printed wiring board provided in an equipment housing in the equipment housing, wherein a lead wire connected to each of a positive electrode and a negative electrode of the battery is connected to a connector. A battery connected to a lead wire derived from a circuit of a printed wiring board via a printed circuit board, and a holding portion for holding the battery and the connector provided in the device housing such that a part thereof appears on the surface of the device housing. Storage structure. 2. The battery storage structure according to claim 1, wherein
The holding unit is composed of a battery storage case for storing the battery and the connector, and a storage unit for storing the battery storage case so that the battery storage case can be inserted and removed from the surface of the device housing. A battery accommodating structure characterized by having a lead wire lead-out portion leading out inside. 3. The battery storage structure according to claim 1, wherein
A battery housing structure, wherein the holding portion is a battery lid that is openable and closable on the surface of a device housing and has a holding portion for holding a battery and a connector. 4. The battery storage structure according to claim 1, wherein
The holding unit includes a battery cover that can be opened and closed on the surface of the device housing, and a battery storage case that is detachably supported by the battery cover so as to close an opening of the battery cover and stores and holds a battery and a connector. A battery storage structure comprising a storage case provided with a lead wire lead-out portion for leading a lead wire into a device housing.