JP2019220272A - Battery housing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery accommodating device in which a battery accommodating portion and a battery pressing portion are provided as separate bodies and can be easily replaced even if the battery pressing portion is damaged. A battery accommodating device (1) is configured such that a battery accommodating part (2) accommodating a dry battery and the battery accommodating part (2) are separately provided, and firmly fixed to the battery accommodating part (2) when firmly fixed to the battery accommodating part (2). A non-destructive and non-separable structure), and a battery pressing unit 3 that presses the dry batteries housed in the battery housing unit 2. [Selection diagram] Fig. 3

Description

  The present invention relates to a battery accommodating device including a battery accommodating section for accommodating a dry battery.

Conventionally, as a battery accommodating device for connecting a plurality of dry batteries, for example, there is a battery holder described in Patent Document 1.
In such a battery holder, the leading edge of a synthetic resin outer plate that covers the side surface of the dry battery accommodated in the battery accommodating portion is curved so as to be along the outer surface of the dry battery, and the leading edge holds the dry battery when the dry battery is accommodated. The battery is configured not to fall out of the storage section.

Japanese Utility Model Laid-Open No. 4-102157

  In the related art, a portion for holding the dry battery (hereinafter, referred to as a “battery holding portion”), such as the leading edge, is configured to be easily deformed for accommodating and removing the dry battery. Therefore, for example, when the battery is frequently used and the battery is frequently exchanged, or when the battery is exchanged in a complicated state such as outdoors or in a dark place, the deformation load of the battery holding portion becomes large and the battery is damaged. It's easy to do. As a result, frequent repairs of the battery housing device are required.

  However, in the above-described related art, since the battery holding portion is formed integrally with the battery housing portion, when the battery holding portion is damaged, it is necessary to replace the entire battery housing device, and the repair cost increases. In addition, when the strength of the battery holding portion is increased by the material, it is necessary to change the material of the entire battery housing device or to integrally form different materials, which may increase the cost.

  Therefore, the present invention has been made in view of such a problem, and the battery housing portion and the battery holding portion are separated from each other so that even if the battery holding portion is damaged, the battery holding portion can be easily replaced. It is an object to provide a device.

  In order to solve the above problem, a battery housing device according to a first aspect of the present invention includes a battery housing portion for housing a dry battery and the battery housing portion in a state where the dry battery housed in the battery housing portion can be taken out. And a locking portion for urging the housing to be biased. The locking portion is a component formed separately from the battery housing portion and is fixed to the battery housing portion.

  According to the present invention, since the battery accommodating portion and the battery holding portion are formed separately, even if the locking portion (battery holding portion) of a resin battery is damaged, for example, only the component can be easily replaced. Becomes possible. In addition, since only the damaged parts need to be replaced, repair costs can be reduced. Further, since they are separate bodies, both can be easily made of different materials, and it is possible to suppress an increase in cost.

It is a front view of the battery storage device concerning an embodiment. It is a perspective view of the battery accommodating device which concerns on embodiment. FIG. 2 is an exploded perspective view of the battery housing device according to the embodiment. It is a rear view of the state where the electrode component of the battery accommodating part which concerns on embodiment was removed. FIG. 2 is a sectional view taken along line AA of FIG. 1. (A) is an E section enlarged view of FIG. 5, (b) is BB sectional drawing of FIG. It is a rear view of the battery holding part which concerns on embodiment. It is a front view of the battery press part which concerns on embodiment. FIG. 9 is a view on arrow G of FIG. 8. FIG. 9 is a sectional view taken along line HH of FIG. 8. (A) is a sectional view taken along line KK of FIG. 9, and (b) is a sectional view taken along line LL of FIG. 9. FIG. 4 is a sectional view taken along line DD of FIG. 3. (A) is a rear view in a state where the electrode component of the battery accommodating part according to the embodiment is mounted, and (b) is a rear view of the battery accommodating device according to the embodiment. It is a figure showing the state where the battery was stored in the battery storage device concerning an embodiment. FIG. 15 is a sectional view taken along line NN of FIG. 14. 1 is a cross-sectional view illustrating an example of an industrial wireless transmitter housing a battery housing device according to an embodiment. In the drawing, portions other than the portion including the holder accommodating portion are represented only by the outline.

  Hereinafter, an embodiment of a battery accommodating device according to the present invention will be described with reference to the drawings as appropriate. The drawings are schematic. Therefore, it should be noted that the relationship between the thickness and the planar dimension, the ratio, and the like may be different from the actual one, and the drawings include portions having different dimensional relationships and ratios. There are cases. The embodiments described below exemplify an apparatus and a method for embodying the technical idea of the present invention, and the technical idea of the present invention is based on the material, shape, structure, and arrangement of component parts. Are not specified in the following embodiments.

(Embodiment)
(overall structure)
As shown in FIGS. 1 to 3, the battery housing device 1 according to the embodiment of the present invention includes a battery housing portion 2 and a battery holding portion 3. As shown in FIG. 3, the battery accommodating section 2 and the battery holding section 3 are formed separately, and by fixing the battery holding section 3 to the battery accommodating section 2, as shown in FIGS. 1 and 2. The battery housing device 1 is configured.

(Configuration of Battery Housing 2)
As shown in FIGS. 1 to 3, the battery housing portion 2 is formed in a box shape having a substantially rectangular opening in a front view (FIG. 1), and has a wall portion at one end side and the other end side in the longitudinal direction. It has certain short wall portions 10 and 11 and long wall portions 13 and 14 which are wall portions on both side surfaces in the longitudinal direction. Further, a partition wall 12 is provided at both ends at a center position in a longitudinal direction, and sill portions 15a and 15b are provided at both ends at a center position in a short direction. The battery housing section 2 is formed of a synthetic resin such as polycarbonate.

The lower half inside the long wall portions 13 and 14 is configured to rise in a concave shape along the shape of the dry battery to be accommodated.
The short wall portions 10 and 11 and the partition wall 12 are configured at the same height, and the long wall portions 13 and 14 are configured to be lower than the short wall portions 10 and 11 and the partition wall 12.
Further, the threshold portions 15a and 15b are configured to further divide each room partitioned by the partition wall 12 into two. Further, the sill sections 15a and 15b are configured to be lower than the long wall sections 13 and 14, and have a curved skirt along the outer shape of the dry battery to be accommodated. That is, the cross section is formed in a substantially mountain-like shape (see FIG. 6B).

Thus, four battery chambers 16a, 16b, 16c, and 16d, which are divided by the partition wall 12 and the sill sections 15a and 15b, are formed in the battery housing section 2, respectively. That is, in this embodiment, one dry battery is accommodated in each of the four battery chambers 16a to 16d.
The side wall 13a, which is the wall of the battery chamber 16a of the long wall 13, is provided with a cutout 100a having a substantially rectangular cutout in plan view at the center in the longitudinal direction. Similarly, a cutout 100b is formed at the center of the side wall 13b of the battery chamber 16b in the longitudinal direction, a cutout 100c is formed at the center of the side wall 14a of the battery chamber 16c, and a side wall 14b of the battery chamber 16d. Is provided with a notch 100d at its longitudinal center.

The cutouts 100a to 100d are cut from the lower end to the upper end of each side wall, and divide the side walls 13a, 13b, 14a and 14b into two in the longitudinal direction.
With this configuration, when the battery holding portion 3 is not fixed, when dry batteries are accommodated in the battery chambers 16a to 16d, a part of the side surface of each dry battery is exposed to the outside through the cutout portions 100a to 100d. Has become.

Further, negative electrodes 4a, 4b, 4c and 4d and positive electrodes 5a, 5b, 5c and 5d are mounted inside the battery housing 2.
In addition, concave portions 20, 21, 22, and 23 capable of loosely accommodating the positive terminal of the dry battery are formed at the mounting positions of the plus electrodes 5a, 5b, 5c, and 5d on the inner wall portion of the battery housing portion 2. In addition,
The negative electrodes 4a to 4d are electrodes that are in conductive contact with the negative terminals of the dry batteries housed in the battery chambers 16a to 16d, and are formed of a metal coil spring. The positive electrodes 5a to 5d are electrodes that are in conductive contact with the positive terminals of the dry batteries housed in the battery chambers 16a to 16d, and are formed of a metal leaf spring.

Although not shown, the negative electrodes 4b to 4d extend the ends of the metal wires of the metal wires forming the coil spring opposite to the coil side straight. Each end of the end is bent in a U-shape.
The plus electrodes 5a to 5d are pushed by the plus terminals when the batteries are accommodated, and are elastically deformed toward the depths of the recesses 20, 21, 22, and 23 at the respective mounting positions. Then, it is configured to press itself against the plus terminal of the dry battery by the elastic force at that time.

  The negative electrode 4b and the positive electrode 5a are intermediate electrodes for connecting the battery chambers 16a and the dry batteries housed in the battery chamber 16b in series. The negative electrode 4d and the positive electrode 5c are intermediate electrodes for connecting the battery chamber 16c and the dry battery housed in the battery chamber 16d in series. That is, in the present embodiment, the dry batteries are not directly connected to each other, but are connected via the intermediate electrode with the partition wall 12 interposed therebetween.

In the present embodiment, although not shown, the negative electrode 4a and the positive electrode 5d are electrically connected, and the negative electrode 4c and the positive electrode 5b are not electrically connected. That is, the battery storage device 1 of the present embodiment has a configuration in which four dry batteries stored in the battery chambers 16a to 16d are connected in series.
As shown in FIGS. 2 and 3, a terminal plate 24 that is electrically connected to the negative electrode 4c is provided on a portion of the short wall portion 11b that forms the battery chamber 16c on the outer wall portion 11e side. The terminal plate 24 has a role as an external terminal (-). Although not shown, the terminal plate 24 is attached such that a part thereof is bent toward the rear side of the battery housing portion 2. And, it is configured to conduct to the minus electrode 4c on the back side of the battery accommodating portion 2 via a conducting portion 24C (described later) which is a bent portion.

In addition, a fitting convex portion 25 for positioning when the battery pressing portion 3 is attached is provided at a lower portion in the short direction center of the outer wall portion 11e of the short wall portion 11.
In addition, mounting holes 19a and 19b and mounting holes 19c and 19d for mounting the battery holding portion 3 are provided at lower ends on both sides of the notches 100a and 100b of the side walls 13a and 13b of the battery chambers 16a and 16b. ing. Further, mounting holes 19e and 19f and mounting holes 19g and 19h for mounting the battery holding portion 3 are provided at lower ends on both sides of the notches 100c and 100d of the side walls 14a and 14b of the battery chambers 16c and 16d. ing.

  The positive electrode 5a is attached by being bent in a substantially L-shape as shown in FIGS. 5 and 6 (a). Specifically, the conducting portion 50Ca, which is a short side portion of a substantially L shape, extends from the wall portion 12ia side to the lower portion on the rear wall portion 12ib side through the through hole 17a provided in the lower portion of the concave portion 20. It is attached to be. The electrode portion 50Ea, which is the long side of the inverted L-shaped portion on the wall 12ia side of the positive electrode 5a, is a portion that directly contacts the positive terminal of the dry battery. In addition, the positive electrode 5a has a substantially L-shaped corner 50Ra convexly curved downward, and when the battery holding portion 3 is fixed to the battery accommodating portion 2, as shown in FIG. The portion 50Ra is housed in a spring retracting portion 35a (described later) of the battery holding portion 3. Here, the curved formation of the corners is for preventing plastic deformation due to repeated attachment and detachment of the dry battery.

The positive electrode 5c has the same configuration as the positive electrode 5a, and extends from the wall 12ic to the lower portion on the rear wall 12id side through the through hole 17b provided in the lower portion of the concave portion 22. It is mounted to extend. Note that the positive electrode 5c is the same as the positive electrode 5a except that the reference numeral “a” at the end of each component is replaced with “c”.
The plus electrodes 5b and 5d are also bent and attached in a substantially L shape.

  As shown in FIG. 4, the battery housing portion 2 further includes screw holes 27a, 27b, 27c and 27d for screwing the plus electrodes 5a to 5d, and through holes 17a for attaching the plus electrodes 5a and 5c. 17b and through holes 18a and 18b for attaching the plus electrodes 5b and 5d. In addition, there are provided through holes 28a and 28b for mounting the negative electrodes 4b and 4d and for inserting the spring holding portions 34a and 34b, and through holes 29a and 29b for mounting the negative electrodes 4a and 4c. .

  The screw holes 27a and 27c are provided on the back side of the top 150a of the mountain-shaped sill 15a formed on the front side of the battery accommodating section 2, and the screw holes 27b and 27d are formed on the mountain-shaped sill 15b. Is provided on the back side of the top 150b. That is, in the present embodiment, the screw holes 27a to 27d are formed along the rear side of the thickest portions of the threshold portions 15a and 15b.

This thick structure is suitable for forming tappings for the screw holes 27a to 27d, and is hardly bent even when an impact is applied to the housing such as when the battery housing device 1 is dropped. Of the screw thread is prevented.
The screw holes 27b and 27d are provided at positions near the ends unlike the centers of the sill portions 15a and 15b of the battery housing portion 2 in the longitudinal direction.

The through holes 17a and 17b are through holes formed to communicate with the recesses 20 and 22 and penetrate the bottom of the battery housing portion 2, and the through holes 18a and 18b communicate with the recesses 21 and 23 to accommodate the battery housing. The through hole is formed through the bottom of the portion 2.
The through holes 28 a and 28 b are provided on both sides of the partition wall 12. Further, grooves 280a and 280b for fixing the minus electrodes 4b and 4d are formed alongside the through holes 28a and 28b.

The grooves 280a and 280b are grooves for guiding the negative electrodes 4b and 4d and preventing them from coming off, and have a width slightly larger than the diameter of the metal wire forming the coil spring of the negative electrodes 4b and 4d.
The through holes 29a and 29b are guide long holes for screwing the minus electrodes 4a and 4c at both ends of the battery housing 2 on the back surface of the battery housing 2, and constitute a coil spring of the minus electrodes 4a and 4c. Has a width slightly wider than the diameter of the metal wire.

(Configuration of Battery Holder 3)
As shown in FIG. 3, the battery holding portion 3 is configured to be fixed from the back side of the battery housing portion 2. As shown in FIGS. 3, 8, and 9, the battery holding portion 3 has a substantially rectangular and plate-like base portion 30 along the back surface shape of the battery housing portion 2, and a longitudinal portion of the base portion 30. The holding claw portions 31a and 31b are provided upright on one side surface in the direction, and the holding claw portions 31c and 31d provided upright on the other side surface.

Further, the battery pressing portion 3 includes fixing claw portions 32a, 32b, 32c, and 32d erected on one side surface of the base portion 30 in the longitudinal direction, and fixing claw portions 32e erected on the other side surface. 32 f, 32 g, and 32 h, and a positioning fitting recess 33 erected at the center of the other end of the base 30 in the longitudinal direction.
Furthermore, the battery holding part 3 is provided with spring holding parts 34 a and 34 b erected at both ends of the base part 30 at a substantially central position in the longitudinal direction, and at a substantially central position in the longitudinal direction of the base part 30 and one in the longitudinal direction. A spring retracting portion 35a formed on the upper surface on the side surface and a spring retracting portion 35b formed on the upper surface on the other side are provided.

  Further, as shown in FIG. 8, the battery holding part 3 has a screw head retreating part 36a formed at the center in the short direction of one longitudinal end part on the front side of the base part 30, and the longitudinal direction located on the opposite side. And a screw head retracting portion 36b formed at the front center of the fitting concave portion 33 at the other end. Furthermore, screw head retreating parts 36c and 36d formed in parallel in the longitudinal direction are provided in the center part on the front side of the base part 30.

Furthermore, the battery holding part 3 has a spring position fixing part 37a provided at the other end in the longitudinal direction with respect to the spring retreat part 35a on the front side, and one end in the longitudinal direction with respect to the spring retreat part 35b. And a spring position fixing portion 37b provided.
As shown in FIG. 8 and FIG. 9, the holding claw 31 a is provided with a rectangular plate-shaped horizontal holding claw 310 a, and is provided on the upper portion of the horizontal holding claw 310 a at a predetermined interval and protrudes upward. The book has upper holding claw portions 311a and 312a.

The holding claw portion 31b includes a rectangular plate-shaped horizontal holding claw portion 310b, and two upper holding claw portions 311b and 312b that are provided above the horizontal holding claw portion 310b at predetermined intervals and project upward. It has.
As shown in FIG. 8 and FIG. 10, the pressing claw portion 31 c includes a rectangular plate-shaped horizontal pressing claw portion 310 c erected at a position facing the pressing claw portion 31 b, and a horizontal pressing claw portion 310 c. An upper portion is provided with two upper holding claw portions 311c and 312c provided at a predetermined interval and projecting upward.

The pressing claw portion 31d is provided with a rectangular plate-shaped horizontal pressing claw portion 310d erected at a position opposed to the pressing claw portion 31a, and a predetermined interval above the horizontal pressing claw portion 310d and upward. It is provided with two upper holding claw portions 311d and 312d provided to protrude.
That is, the holding claws 31a to 31d have the same shape as shown in FIGS. In addition, as shown in FIGS. 2 and 3, when fixed to the battery accommodating portion 2, it is provided at a position overlapping with the notches 100 a to 100 d and has a width smaller than the width of the notches 100 a to 100 d. Have been.

  As shown in FIG. 11 (a), the holding claws 31a and 31d have a configuration in which the lower halves of the horizontal holding claws 310a and 310d are curved and rise so that the battery accommodating section 2 is accommodated inside. The upper halves of the horizontal holding claws 310a and 310d are configured to rise vertically and straight. In addition, the upper holding claws 312a and 311d have a configuration in which the upper holding claws 312a and 311d are curved and rise in an R shape that forms a slightly smaller diameter than the radius of the dry battery accommodated in the battery accommodating section 2. This is the same for the upper holding claws 311b and 312d.

The holding claws 31b to 31d have the same shape as the holding claw 31a.
The fixing claw portions 32a and 32b are arranged at both ends of the pressing claw portion 31a as shown in FIGS. The fixing claw portion 32a includes a rectangular plate-shaped claw portion 320a, and a toe portion 321a provided at a distal end portion of the claw portion 320a so as to protrude inward in the short direction of the battery holding portion 3. Similarly, the fixing nail portion 32b includes a nail plate portion 320b, and a toe portion 321b provided at the tip of the nail plate portion 320b so as to protrude inward in the short side direction of the battery holding portion 3.

The fixing claws 32c and 32d also have the same configuration as the fixing claws 32a and 32b, and include nail claws 320c and 320d and toes 321c and 321d.
The fixing claws 32e to 32h are also formed to face each other with the longitudinal center line HH in FIG. 7 interposed therebetween, and have the same structure as the fixing claws 32a to 32d.

  Further, as shown in FIG. 11B, the fixing nail portions 32a and 32h have the nail plate portions 320a and 320h in a curved shape along the outer shape of the lower half of the side wall portions 13a and 14b of the battery housing portion 2. It has a standing configuration. In addition, the toe portions 321a and 321h are configured to protrude inward facing each other. The same applies to the fixing claws 32b and 32g, 32c and 32f, 32d and 32e.

Further, the fixing claw portions 32a to 32h are formed in the same shape, and when the battery holding portion 3 is fixed to the battery accommodating portion 2, each of the toe portions 321a to 321h has the same end of the mounting holes 19a to 19h. It is configured to have a positional relationship and a height that fits those of the reference numerals.
As shown in FIGS. 3, 9 and 10, the spring holding portions 34 a and 34 b have a shape in which an elongated plate shape is curved so as to protrude outward, and the upper ends 340 a and 340 b extend in the longitudinal direction of the battery holding portion 3. Has a configuration protruding from one end side and the other end side.

  As shown in FIG. 12, the upper end portion 340a has an inclined surface 341a that becomes lower from the outside to the inside of the battery holding portion 3. This inclined surface 341a hits the root of the coil spring of the coil spring of the negative electrode 4b. The portion of the base where the vortex starts is formed so as to start from the upright portion inclining outward. Therefore, the inclined surface 341a is formed in the same shape as the inclination of the base. Since the diameter of the through hole 28a is larger than the metal wire of the coil spring in mounting the coil spring, it is necessary to prevent the negative electrode 4b from shifting in the lateral direction (to the left in FIG. 12). In order to fix.

The upper end 340b has the same configuration as the upper end 340a, and has an inclined surface 341b. The movement of the negative electrode 4d is fixed by the inclined surface 341b.
As shown in FIG. 8, the spring retreating portions 35a and 35b are formed of grooves having a semicircular cross section. These semicircular arc shapes are formed in a shape along the curved shapes of the corners 50Ra and 50Rb of the plus electrodes 5a and 5c.

The screw head retreating portion 36a is formed of a substantially elliptical, non-penetrating recess having one end on the long axis side missing in a plan view, and the screw head retreating portion 36b is formed of a substantially elliptical, non-penetrating recess in a plan view. Have been. Further, the screw head retreating portions 36c and 36d are formed of circular non-penetrating depressions in plan view.
The screw head retracting portions 36a to 36d all have a role of retracting by accommodating the heads of the screws for fixing the plus electrodes 5a and 5c provided on the back surface of the battery accommodating portion 2, and the battery holding portion 3 is retracted. It is provided at a position where the head of each screw can be housed when fixed to the battery housing portion 2. Further, the screw head retreating portions 36a and 36b are configured to have an elliptical shape to secure a stroke when slidingly attached in the longitudinal direction.

  The spring position fixing portions 37a and 37b are formed by circular recesses in plan view, and when the battery pressing portion 3 is fixed to the battery housing portion 2, the fixing convex portions 26a and 26b formed on the back surface of the battery housing portion 2. (To be described later). Accordingly, the spring position fixing portions 37a and 37b have a positional relationship, a shape and a depth capable of fitting the fixing convex portions 26a and 26b of the plus electrodes 5a and 5c when the battery holding portion 3 is fixed to the battery housing portion 2. Is configured.

  The battery holding portion 3 is made of a synthetic resin such as polycarbonate, and the plate-like holding claws 31a to 31d and the fixing claw portions 32a to 32h are arranged at least at room temperature in the reverse R direction of the battery holding portion 3. It is configured to be elastically deformable.

(Circuit configuration on the back side)
Next, a circuit configuration on the back side of the battery housing section 2 will be described.
As shown in FIG. 13 (a), the ends of the negative electrodes 4b and 4d are inserted into the guide grooves 280a and 280b via the through holes 28a and 28b (see FIG. 4). Are located in Although not shown, U-shaped portions at the tips of the minus electrodes 4b and 4d are arranged along the outer peripheries of the screw holes 27a and 27b.
The plus electrodes 5a and 5c are connected to the back side of the battery housing 2 through the through holes 17a and 17b in a state where the conducting portions 50Ca and 50Cc and the corners 50Ra and 50Rc overlap from above the minus electrodes 4b and 4d. Are located.

  Here, the conducting parts 50Ca and 50Cc and the corners 50Ra and 50Rc are substantially L-shaped in plan view from the back side, and are located near one end of the substantially L-shaped long side on the short side. Are formed with through holes for inserting the fixing projections 26a and 26b, and a screw hole is formed at a position near the other end of the long side. The long sides of the conductive portions 50Ca and 50Cc extend to positions where one ends thereof cover the screw holes 27a and 27b and the periphery thereof.

  In the present embodiment, the through hole for inserting the screw portion of the conducting portion 50Ca is coaxially overlapped with the screw hole 27a, and the fixing convex portion 26a is inserted into the fixing through hole of the fixing convex portion 26a. Place in state. As a result, the long side of the conductive portion 50Ca comes into contact with the minus electrode 4b, and the other end overlaps the U-shaped portion at the tip of the minus electrode 4b surrounding the screw hole 27a. By screwing with the screw 270a in this state, the plus electrode 5a and the minus electrode 4b are fixed with both conducting.

The negative electrode 4d is also screwed with the screw 270b via the conductive portion 50Cc in the same arrangement configuration as the negative electrode 4b, so that the positive electrode 5c and the negative electrode 4d are electrically connected. Fixed.
On the other hand, as shown in FIG. 13A, the negative electrode 4a is disposed on the back side of the battery housing 2 via the through hole 29a. Although not shown, the negative electrode 4c is also disposed on the back side of the battery housing 2 via the through hole 29b.

These are extended along the elongated through-holes 29a and 29b to a position where the U-shaped portion at the distal end surrounds the screw holes 27c and 27d.
In addition, the positive electrode 5d is disposed on the back side of the battery accommodating portion 2 in a state where the conducting portion 50Cd overlaps the negative electrode 4a via the through hole 18b (see FIG. 4).
Here, the conductive portion 50Cd is substantially L-shaped in plan view from the back side, and the fixing convex portion 26c is inserted at a position near one end near the short side of the substantially L-shaped long side. A through hole for communication is formed, and a through hole for screw portion insertion is formed at a position near the other end of the long side. The long side portion of the conductive portion 50Cd extends to a position where one end portion covers the screw hole 27c and the periphery thereof.

  In the present embodiment, the conducting portion 50Cd has its screw portion insertion through hole coaxially overlapped with the screw hole 27c, and the fixing projection 26c is inserted through the fixing through portion 26c. Place in state. As a result, the long side portion of the conductive portion 50Cd contacts the minus electrode 4a, and the other end overlaps the U-shaped portion at the tip of the minus electrode 4a surrounding the screw hole 27c. By screwing with the screw 270c in this state, the plus electrode 5d and the minus electrode 4a are fixed in a state where both are conductive.

Further, the negative electrode 4c is fixed in a state of being electrically connected to the conductive portion 24C of the terminal plate 24.
Here, the conductive portion 24 </ b> C has a shape that is bent in a two-stage trapezoidal shape in a plan view on the back side of the battery housing portion 2. Specifically, at the point where it is bent along the longitudinal direction from the front side to the back side, it first bends obliquely inward and extends to the side next to the screw hole 27d, then further bends and extends straight toward the screw hole 27d, and It has a shape extending to a position covering the hole 27d and the periphery thereof. A through hole for inserting a screw portion is formed at a position overlapping with the screw hole 27d on the distal end side of the conductive portion 24C.

  In the present embodiment, the conducting portion 24C is arranged in a state where the through hole for inserting the screw portion is coaxially overlapped with the screw hole 27d. As a result, the conductive portion 24C comes into contact with the minus electrode 4c, and the tip portion overlaps the U-shaped portion at the tip of the minus electrode 4c surrounding the screw hole 27d. By screwing with the screw 270d in this state, the minus electrode 4c and the terminal plate 24 are fixed in a state where both are electrically connected.

(How to fix the battery holder 3)
Next, a method of fixing the battery holding portion 3 to the battery housing portion 2 will be described.
As shown in FIG. 3, the battery holding part 3 is fixed from the back side of the battery housing part 2.
Specifically, first, the battery accommodating portion 2 is fitted between the holding claws 31a and 31d and between the holding claws 31b and 31c. At this time, the positioning is performed so that the spring holding portions 34a and 34b are inserted into the through holes 28a and 28b, and the fitting protrusion 25 of the battery housing portion 2 fits into the fitting recess 33 of the battery holding portion 3. I do.

  Here, the distance between the tips of the toes of the holding claws 31a and 31d and the distance between the ends of the toes of the holding claws 31b and 31c are smaller than the width of the battery housing 2 in the width direction. It is getting smaller. For this reason, the battery accommodating part 2 is fitted between the retaining claw parts 31a and 31d and 31b and 31c while elastically deforming the retaining claw parts 31a to 31d outward at the side of the long wall side of the battery accommodation part 2. .

  Subsequently, when the fitting projection 25 is fitted into the fitting recess 33, the holding claws 31a and 31d and 31b and 31c are located between the cutouts 100a and 100d and 100b and 100c. In addition, the fixing claw portions 32a to 32h are in a state where the attachment holes 19a to 19h having the same reference numerals at the ends thereof face each other. 4 and 9, the screw heads screwed into the screw holes 27a to 27d have screw head retreating parts 36a to 36d on the rear part of the battery housing part 2 and the front part of the battery pressing part 3. And the corners 50Ra and 50Rc of the plus electrodes 5a and 5c are accommodated in the spring retreating portions 35a and 35b. In addition, the fixing convex portions 26a and 26b are fitted into the spring position fixing portions 37a and 37b.

For example, as shown in FIG. 6A, the corner 50Ra is housed in the spring retreating portion 35a, and the fixing protrusion 26a is fitted in the spring position fixing portion 37a.
Subsequently, the fixing claw portions 32a to 32h are pushed from the outside and the toe portions 321a to 321h are fitted into the mounting holes 19a to 19h, whereby the fixing claw portions 32a to 32h are fitted to the battery accommodating portion 2 and the battery presser is pressed. The fixing of the part 3 is completed. At this time, the toe portions 321a to 321h of the fixing claws 32a to 32h are turned back, and the fixing claws 32a to 32h are firmly connected to the battery accommodating section 2.

After the fixing is completed, as shown in FIG. 13B, the back surface of the battery housing 2 is covered by the base 30 of the battery presser 3.
Further, when replacing the battery holding portion 3, it is necessary to remove the battery holding portion 3 from the battery housing portion 2. However, the battery holding portion 3 is firmly connected to the battery housing portion 2 by the fixing claws 32a to 32h. It is in a state. Therefore, the worker removes the fixing claws 32a to 32h by hand while destroying them.

The reason that the battery holding portion 3 is not removed unless it is damaged after being attached to the battery housing portion 2 once is to prevent the worker from easily removing it.
It should be noted that replacement is necessary when the battery holder 3 is damaged, and the damaged battery holder 3 is a component that cannot be reused. Further, the battery holder 3 of the present embodiment has a structure that can be replaced without requiring a tool.

Therefore, when the battery holder 3 is replaced, the operator only has to manually remove the remaining parts left in the battery housing unit 2 and the replacement can be easily performed.
The reason why the battery holding portion 3 was not fixed from the back side with screws is as follows.

(1) If a large number of removal operations are performed, the tap grooves of the screw holes 27a to 27d formed of resin may be deformed or worn, and the battery holder 3 may not be able to be attached.
(2) There is a possibility that the worker may get an electric shock.
Here, when replacing a battery or the like, the back surface of the battery holding portion 3 is a portion that directly touches a worker's hand. For this reason, for example, when there is a risk of electric leakage such as when water has entered the gap between the battery holding section 2 and the battery holding section 3, the screw as a metal part is exposed from the back surface of the battery holding section 3. In such a case, the screw and the electrode may be short-circuited, resulting in electric shock.

(Action)
Next, the operation of each part when a dry battery is housed in the battery housing device 1 having the above configuration will be described.
As shown in FIG. 14, in the battery housing device 1, dry batteries B are housed in battery chambers 16a to 16d, respectively. The dry battery B has a protruding plus terminal P at one end in the longitudinal direction and a flat disk-shaped minus terminal M at the other end.

In the state accommodated in the normal orientation, each plus terminal P makes contact with a corresponding one of the plus electrodes 5a to 5d, and each minus terminal M contacts with a corresponding one of the minus electrodes 4a to 4d, respectively. It is in the state of having done.
Since the plus electrode 5d and the minus electrode 4a are electrically connected, the four dry batteries B accommodated are connected in series. In this state, for example, as shown in FIG. 16, when the battery housing device 1 is housed in the holder housing portion 401 of the industrial wireless transmitter 400, the external terminal (+) and the external terminal (-) become It is electrically connected to the plus terminal and the minus terminal of the power supply circuit of the wireless transmitter 400. As a result, it is possible to supply power to the industrial wireless transmitter 400.

Here, the terminal portion 50Cb which is a portion on the outer wall portion 10e side on the back side of the inner wall portion 10ia of the positive electrode 5b has a role as an external terminal (+).
On the other hand, when the dry battery B is stored in the battery chambers 16a to 16d, as shown in FIGS. 14 and 15, the dry battery B is pressed by the horizontal pressing claw portions 310a to 310d of the pressing claw portions 31a to 31d of the battery pressing portion 3. Is in a state where a part of the lateral side is pressed from the outside. In addition, the upper holding claws 311a to 311d and 312a to 312d of the holding claws 31a to 31d place a part of the upper side of the dry battery B from above.

  Here, when the dry batteries are not receivable, the holding claws 31a and 31d are in a state in which a part thereof is bent inside the storage position of the dry batteries as shown in FIG. 6B. . Therefore, when the dry battery B is accommodated, the holding claws 31a and 31d are elastically deformed outward along the shape of the battery as shown in FIG. The elastic force due to this elastic deformation presses the inner surfaces of the holding claw portions 31a and 31d against the dry battery B, thereby disabling the dry battery B toward the housing. The same applies to the holding claws 31b and 31c.

(Operation and Effect of Embodiment)
The battery accommodating device 1 according to the embodiment includes a battery accommodating portion 2 accommodating a dry battery, and a positive electrode 5a to 5d provided inside the battery accommodating portion 2 at a portion opposed to a positive terminal of the dry battery and in contact with the positive terminal. And negative electrodes 4a to 4d which are provided inside the battery housing portion 2 and opposed to the negative terminal of the dry battery and come into contact with the negative terminal, and a battery which can be detached from the dry battery housed in the battery housing portion 2. An engaging portion (3) biasing toward the housing of the housing portion (2) is provided. Further, the battery holding portion 3 is configured separately from the battery housing portion 2 and is fixed to the battery housing portion 2.

  With this configuration, since the battery accommodating portion 2 and the battery holding portion 3 are separate bodies, even if the locking portion (battery holding portion 3) of the battery formed of, for example, resin is damaged, only the parts thereof can be easily replaced. Can be replaced. In addition, since only the battery holder 3 needs to be replaced, the repair cost can be reduced. Also, since they are separate bodies, it is easy to configure them both from different materials or from different colors. As a result, it is possible to suppress an increase in material cost when the strength is changed by the material, and to improve appearance by changing the color.

  Here, as described above, the battery housing device 1 according to the embodiment is used, for example, housed in the holder housing portion 401 of the industrial wireless transmitter 400 shown in FIG. The industrial wireless transmitter 400 is used, for example, as a remote controller for heavy equipment outside or in a building under construction. For this reason, if the battery runs out during remote operation of the heavy equipment, the replacement state is likely to be inferior if the replacement is performed on site, for example, with gloves, or in the dark. As a result, the battery holding portion 3 is easily damaged. In such a situation, with the battery accommodating device 1 according to the embodiment, only the damaged battery holder 3 can be replaced, so that the repair cost can be reduced. It is also possible to carry a spare battery holder 3 so that when it is damaged, it can be replaced on the spot and repaired quickly.

Further, in the battery accommodating device 1 according to the embodiment, the battery holding portion 3 further includes a base portion 30 having a shape conforming to the shape of the back surface of the battery accommodating portion 2. It is configured to cover the back surface of the battery housing 2.
According to this configuration, the screw portion of the electrode portion on the back side of the battery housing portion 2 can be covered and hidden by the base portion 30 at the time of fixing, so that the screw portion of the electrode portion formed on the back portion is externally formed. Can be prevented from being exposed. In addition, since it becomes easy to screw or the like on the back surface of the battery housing portion 2, the size of the battery housing device 1 can be reduced as compared with the case where a coupling space or the like is formed on the front side. .

  Further, in the battery housing device 1 according to the embodiment, the battery housing portion 2 further has cutout portions 100a to 100d formed by cutting out a part of a side wall facing a side surface of the stored dry battery. The battery holding portion 3 includes holding claw portions 31a to 31d which are provided upright at positions corresponding to the formation positions of the cutout portions 100a to 100d at both end portions of the base portion 30. Then, when the battery pressing portion 3 is fixed to the battery accommodating portion 2, the horizontal pressing claw portions 310a to 310d of the pressing claw portions 31a to 31d, the upper pressing claw portions 311a to 311d, and the notching portions 100a to 100d. 312a to 312d are configured to urge the side surface and part of the upper surface thereof along the outer shape of the dry battery.

  With this configuration, the dry battery can be pressed down from above by the claw portion, so that it is possible to more reliably prevent the dry battery from dropping out of the battery housing portion 2. In addition, since the battery holding portion 3 is formed separately, it is possible to increase the length of the holding claws 31a to 31d. Therefore, the battery holding portion 3 is made of a relatively hard material (for example, polycarbonate resin). Even in the case of the configuration, the bending can be easily performed.

Further, in the battery housing device 1 according to the embodiment, the locking portion 3 further includes fixing claw portions 32a to 32h for fixing itself to the battery housing portion 2. The battery accommodating section 2 has mounting holes 19a to 19h for fitting the fixing claws 32a to 32h. Then, the locking claw portions 32a to 32h are fitted into the mounting holes 19a to 19h so that the locking portion 3 is held.
With this configuration, it is possible to reduce the component cost and the number of assembling steps as compared with a configuration in which components such as screws are used to hold the components.

Further, in the battery housing device 1 according to the embodiment, the battery holding portion 3 is further fixed and fixed to the battery housing portion 2 by the fixing claws 32a to 32h, and is detached from the battery housing portion 2. At this time, at least a part of the coupling portion (the fixing claw portions 32a to 32h) is coupled with such a strength as to be damaged.
With this configuration, it is possible to adopt a configuration in which the battery holding unit 3 cannot be easily removed from the battery housing unit 2, and it is possible to prevent wear due to attachment and detachment of the battery holding unit 3.

  Further, the battery housing device 1 according to the embodiment is further partitioned into a partition wall 12 provided at both ends in the short direction at a central position in the longitudinal direction inside the battery housing portion 2, and a partition wall 12. Sill parts 15a and 15b are provided at the center position in the short direction of each of the divided rooms and are provided at both ends in the long direction. The partition wall 12 and the threshold portions 15a and 15b form four battery chambers 16a, 16b, 16c and 16d.

With this configuration, it is possible to avoid direct contact between dry batteries by the partition wall 12. Thereby, for example, the occurrence of problems such as an increase in contact resistance due to an oxide film formed by rubbing the terminals of the dry battery and an easy falling off of the battery due to an unstable holding state of the battery is prevented or reduced. It becomes possible.
Further, in the battery housing device 1 according to the embodiment, the sill portions 15a and 15b are further formed in a mountain shape having a skirt of a curved surface along the outer shape of the dry battery to be housed. Furthermore, screw holes 27a to 27d for fixing the electrodes formed on the back surface of the battery housing 2 are provided. These screw holes 27a to 27d are provided on the back side of the tops of the mountain-shaped sill parts 15a and 15b.

  With this configuration, the screwing position for fixing the electrode can be concentrated at the central position in the short direction of the battery housing portion 2. This makes it possible to prevent the screwed portion from directly receiving an impact when receiving a drop impact or the like. That is, it is possible to prevent the occurrence of cracks due to the screwed portion preventing the resin portion from bending when receiving an impact.

Further, the battery holding device 1 according to the embodiment further includes spring holding portions 34a and 34b for holding the minus electrodes 4b and 4d from the side (outer side in the lateral direction) when the battery holding portion 3 is fixed to the battery holding portion 2. Was provided.
With this configuration, it is possible to suppress the lateral movement of the negative electrodes 4b and 4d, and it is possible to prevent the occurrence of poor contact with the dry battery.

In addition, the battery housing device 1 according to the embodiment further includes inclined surfaces 341a and 341b in which the upper ends 340a and 340b of the spring holding portions 34a and 34b decrease from the outside in the short direction of the battery holding portion 3 toward the inside. It has.
With this configuration, the inclined surfaces 341a and 341b abut the minus electrodes 4b and 4d along the bent shape of the metal wire forming the coil spring of the minus electrodes 4b and 4d, and the lateral movement of the minus electrodes 4b and 4d. Can be suppressed more reliably.

(Modification)
In the above-described embodiment, the battery holding portion 3 is configured to cover the back side of the battery housing portion 2 with the base portion 30. However, the configuration is not limited to this. For example, when there is no need to cover the rear side, such as when no wiring is provided on the back side of the battery housing part 2, only the claw portion for holding the battery is separately fixed to the battery housing part. Alternatively, another configuration may be used.

  Further, in the above-described embodiment, a configuration in which coil springs are used as the negative electrodes 4a to 4d and leaf springs are used as the positive electrodes 5a to 5d has been described as an example. However, the configuration is not limited to this. For example, the minus electrodes 4a to 4d may be constituted by leaf springs, and if the minus electrodes 4a to 4d are constituted by springs having a sufficient biasing force, the plus electrodes 5a to 5d need not be constituted by spring members. Absent. Further, as long as the same action is exerted, other springs may be employed instead of the coil spring or the leaf spring.

In the above embodiment, four dry batteries are accommodated and the dry batteries are connected in series. However, the present invention is not limited to this configuration. For example, a configuration in which four dry batteries are connected in parallel may be adopted. Further, the present invention is not limited to the configuration in which four dry batteries are accommodated, and may have another configuration such as a configuration in which one to three dry batteries are accommodated or a configuration in which five or more batteries are accommodated.
Further, in the above-described embodiment, the dry batteries are accommodated in the battery accommodating portion 2 in two rows and two columns. However, the present invention is not limited to this structure, and another structure may be adopted.

DESCRIPTION OF SYMBOLS 1 Battery accommodation apparatus 2 Battery accommodation part 3 Battery holding part 4a-4d Negative electrode 5a-5d Positive electrode 10,11 Short wall part 10ia, 10ib, 11ia, 11ib Inner wall part 10e, 11e Outer wall part 12 Partition wall 12ia, 12ib, 12ia , 12ib Wall part 13, 14 Long wall part 13a, 13b, 14a, 14b Side wall part 15a, 15b Sill part 16a-16d Battery compartment 17a, 17b, 18a, 18b, 29a, 29b Through hole 19a-19h Mounting hole 20-23 recess 24 Terminal board 25 Fitting convex part 26a-26c Fixing convex part 27a-27d Screw hole 30 Base part 31a-31d Holding claw part 32a-32h Fixing claw part 33 Fitting concave part 34a, 34b Spring holding part 35a, 35b Spring retracting parts 36a to 36d Screw head retracting parts 37a, 37b Spring position Fixing part 50Ca, 50Cc, 50Cd Conducting part 50Cb Terminal part 50Ea to 50Ed Electrode part 50Ra, 50Rc Corner 50Ta to 50Td Upper end 100a to 100d Notch 150a, 150b Top 280a, 280b Groove 310a to 310d Side pressing claw -311d, 312a-312d Upper holding claw portion 320a-320h Nail plate portion 321a-321h Toe portion 400 Industrial wireless transmitter 401 Holder storage portion B1-B4 Dry battery P1-P4 Positive terminal M1-M4 Negative terminal S1-S4 Shoulder

Claims (7)

A battery compartment for containing dry batteries,
In a battery housing device including a locking portion for urging a dry battery housed in the battery housing portion to a housing of the battery housing portion so as to be able to be taken out,
The battery accommodating device, wherein the locking portion is a component formed separately from the battery accommodating portion, and is fixed to the battery accommodating portion.   The locking portion includes a base portion having a shape along the back shape of the battery housing portion, and is configured such that the base portion covers the back portion of the battery housing portion when fixed to the battery housing portion. The battery storage device according to claim 1. The battery accommodating portion has a notch formed by notching a part of a side wall facing a side surface of the accommodated dry battery,
The locking portion includes a claw portion erected at a position corresponding to a formation position of the notch portion on both side ends of the base portion, and when fixed to the battery housing portion, the notch portion The battery accommodating device according to claim 2, wherein the claw portion is configured to urge the side surface and a part of the upper surface of the dry battery along an outer shape of the dry battery via the intermediary portion. The locking portion includes a fixing claw portion for fixing itself to the battery housing portion,
The battery accommodating portion includes a mounting hole for fitting the fixing claw portion,
The battery housing device according to claim 1, wherein the locking portion is held by fitting the fixing claw portion into the mounting hole.   The battery accommodating device according to claim 4, wherein the locking portion is formed of a synthetic resin.   2. The locking portion is fixed in a state of being firmly connected to the battery accommodating portion, and is coupled with such a strength that at least a part of the coupling portion is damaged when being removed from the battery accommodating portion. 3. The battery accommodating device according to any one of claims 5 to 5. A cross-section having a skirt formed along the outer shape of the dry battery and provided at both ends in the length direction at the center of a direction perpendicular to the length direction of the stored dry battery inside the battery storage portion. A substantially mountainous threshold,
A positive electrode provided in a portion of the inside of the battery accommodating portion facing the positive terminal of the dry battery, and in contact with the positive terminal,
A negative electrode that is provided inside the battery accommodating portion and faces the negative terminal of the dry battery and contacts the negative terminal,
7. A screw hole for screwing the plus electrode and the minus electrode, provided on a back surface of the mountain-shaped top of the sill portion on a back surface of the battery housing unit. 8. The battery storage device according to any one of claims 1 to 4.

Images