JP2015026499A - Battery housing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery housing structure which prevents the situation where a battery terminal is not recovered from a deformed state to an original state.SOLUTION: A battery case 5 comprises a battery mounting surface 511 and a peripheral wall part 52. The peripheral wall part 52 is erected around the battery mounting surface 511. In the peripheral wall part 52, a hook 54 is formed which extends in a longitudinal direction. The hook 54 includes a protrusion 541 which protrudes in an inside direction that is a direction toward the inside of the peripheral wall part 52. In an inside direction of the hook 54, a positive electrode terminal 570 is disposed. The positive electrode terminal 570 includes a first plate part 571 and a second plate part 572. The first plate part 571 includes a contact portion 575 which can be contacted to a positive electrode 891 of a battery 89. The first plate part 571 opposes the hook 54. The second plate part 572 is folded, in a folding portion 577, relatively to the first plate part 571. The second plate part 572 is neighboring to the protrusion 541 and abutted to the hook 54.

Description

  The present invention relates to a battery housing structure for housing a battery.

  Conventionally, battery storage structures for storing batteries are known. The battery housing structure has a housing portion, a negative electrode terminal, and a positive electrode terminal. The storage portion has a concave shape with the top opened. The negative electrode terminal and the positive electrode terminal are located inside the wall portion around the storage portion. The negative electrode terminal has a spring shape. The positive electrode terminal is formed of a metal plate. The positive electrode terminal includes a first plate portion having a portion that contacts the battery, and a second plate portion bent with respect to the first plate portion. By supporting the second plate portion in the storage portion, the positive terminal is held inside the storage portion (see, for example, Patent Document 1).

Japanese Patent No. 4025557

  When the battery is stored in the storage unit, stress is applied to the positive electrode terminal. When stress is applied, the angle between the first plate portion and the second plate portion changes, and the positive electrode terminal is elastically deformed. When the battery is removed from the storage unit, the stress applied to the positive electrode terminal disappears, and the positive electrode terminal returns to its original shape. However, if the application of stress to the positive electrode terminal is repeated, the battery terminal may not return to its original state from the deformed state.

  The objective of this invention is providing the battery storage structure which prevents that a battery terminal does not return to the original state from the deformed state.

  A battery storage structure according to the present invention is defined by a bottom surface portion and a peripheral wall portion that stands up around the bottom surface portion and forms an opening facing the bottom surface portion, and a battery storage portion capable of storing a battery. A projecting portion provided in a part of the peripheral wall portion, extending in an opposing direction, which is a direction in which the bottom surface portion and the opening portion oppose each other, and projecting in an inward direction, which is a direction toward the inside of the peripheral wall portion. A flexible hook provided at the tip, a battery terminal disposed in the inner direction of the hook, and a contact portion provided on the battery terminal, facing the hook and capable of contacting the battery. A first plate portion; and a second plate portion that is connected to the first plate portion in the battery terminal, is adjacent to the projecting portion in the facing direction, and is inclined toward the hook and contacts the hook. Yes. When the battery is accommodated in the battery accommodating portion, the battery presses the first plate portion of the battery terminal toward the hook side. At this time, the battery terminal presses the hook via the second plate portion. For this reason, when a battery is accommodated in a battery accommodating part, it will be disperse | distributed to a battery terminal and a hook, and stress will be provided. Since the hook has flexibility, it can bend when stress is applied. For this reason, compared with the case where the hook is not provided, the stress provided to a battery terminal can be made small. Therefore, with respect to the angle between the first plate portion and the second plate portion, the change in the angle due to the stress can be reduced as compared with the case where the hook is not provided. Since the change in the angle is small, when the battery is removed, the angle between the first plate portion and the second plate portion easily returns to the original angle. Therefore, it is possible to prevent the battery terminal from returning from the deformed state to the original state.

  The battery housing structure includes a wall portion that is formed separately from the battery housing portion, faces the hook on the opposite side of the battery terminal across the hook, and is located within the flexible range of the hook. The length between the wall and the hook may be less than the length of the protrusion. In this case, the wall portion can limit the amount of deflection of the hook to be less than the length of the protrusion. For this reason, it can prevent that a hook is bent from the protrusion length of a protrusion part, a battery terminal cannot be hold | maintained with the protrusion part of a hook, and a battery terminal remove | deviates from a battery accommodating part.

  The battery housing structure is provided in the battery housing portion so as to face a portion other than the second plate portion in the battery terminal, and can contact the battery terminal when the battery is housed in the battery housing portion. An abutting portion may be provided. In this case, when the battery is stored in the battery storage unit, the contact portion can support the battery terminal. Therefore, stress is also applied to the contact portion, and the stress is further dispersed. Therefore, the stress applied to the battery terminal is further reduced, and it is possible to more reliably prevent the battery terminal from returning from the deformed state to the original state.

  In the battery housing structure, the contact portion may be provided integrally with the hook. In this case, when the battery is stored in the battery storage unit, the battery terminal can be supported by the portion of the hook adjacent to the protrusion and the contact portion. In addition, the abutting portion can move as the hook is bent. For this reason, compared with the case where a contact part does not move, the stress provided to the part contact | abutted to the contact part in a battery terminal can be made small. Therefore, it can prevent that a battery terminal deform | transforms with the stress provided to the part contact | abutted in the contact part in a battery terminal.

  In the battery housing structure, the contact portion may be provided on a proximal end side of the hook with respect to the protruding portion in the facing direction. In this case, since the contact portion is provided on the proximal end side with respect to the protruding portion, the amount of deflection of the hook can be reduced as compared with the case where the contact portion is provided at the same position as the protruding portion in the facing direction. Therefore, it is possible to prevent the hook from being deformed or broken due to excessive bending.

  In the battery housing structure, the second plate portion is bent with respect to the first plate portion at a bent portion between the second plate portion and the first plate portion, toward the hook. It may tilt. In this case, by bending the second plate portion with respect to the first plate portion at the bent portion, the positive electrode terminal 570 can exert an elastic force by the first plate portion and the second plate portion.

1 is a perspective view of a tape printer 1 and a tape cassette 30. FIG. 2 is an exploded perspective view of an upper cover 201, a lower cover 202, and a battery case 5. FIG. 3 is a perspective view of a peripheral structure of a battery case 5. FIG. 3 is a perspective view of a battery case 5. FIG. 3 is a perspective view of a battery case 5. FIG. It is the top view which looked at the hook 54 periphery of the battery case 5 from the front. FIG. 6 is a cross-sectional view of the battery case 5 when the periphery of the hook 54 is viewed from above. FIG. 7 is a cross-sectional view taken in the direction of arrows II in FIG. It is sectional drawing to which the peripheral structure of the hook 54 of FIG. 8 was expanded. 3 is a perspective view of a positive electrode terminal 570. FIG. 6 is a cross-sectional view showing a process in which the positive electrode terminal 570 is attached to the battery case 5. FIG. FIG. 6 is a cross-sectional view of the battery case 5 when the periphery of the hook 54 with the positive electrode terminal 570 attached to the battery case 5 is viewed from above. 4 is a cross-sectional view showing a state in which a battery 89 is attached to the battery case 5. FIG.

  Embodiments of the present invention will be described with reference to the drawings. In the description of the present embodiment, the lower right side, the upper left side, the lower left side, the upper right side, the upper side, and the lower side of FIG. 1 are respectively the front side, the rear side, the left side, the right side, the upper side of the tape printer 1 and the tape cassette 30. Lower side. Note that the front, rear, left, right, top and bottom directions of the tape printer 1 and the tape cassette 30 are defined for the sake of convenience. The tape printer 1 and the tape cassette 30 are not necessarily oriented upward as shown in FIG. Not necessarily in posture.

  In the present embodiment, various tapes stored in the tape cassette 30 (for example, a thermal paper tape, a printing tape 57 described later, a double-sided adhesive tape, a tube tape, and a film tape) are collectively referred to as a tape. Types of tapes stored in the tape cassette 30 (for example, tape width, printing mode, tape color, character color, etc.) are collectively referred to as tape types.

  The tape printer 1 will be described. The tape printer 1 is a general-purpose tape printer that can use various types of tape cassettes such as a thermal type, a receptor type, a laminate type, and a tube type. Thermal type tape cassettes are equipped with thermal paper tape. The receptor type tape cassette includes a printing tape and an ink ribbon. The laminate type tape cassette includes a double-sided adhesive tape, a film tape, and an ink ribbon. A tube-type tape cassette includes a heat-shrinkable tube tape and an ink ribbon.

  As shown in FIGS. 1 and 2, the tape printer 1 includes a main body cover 2 having a substantially rectangular parallelepiped shape. The main body cover 2 includes an upper cover 201 that forms the upper part of the main body cover 2 and a lower cover 202 that forms the lower part. The upper cover 201 forms an exterior wall on the side of the tape printer 1 and the upper portion of the tape printer 1 when a cassette cover 6 (described later) is opened. The lower cover 202 forms an exterior wall on the bottom and side surfaces of the tape printer 1. As shown in FIG. 1, three switches 3 for operating the tape printer 1 such as a power switch of the tape printer 1 are arranged on the front surface of the main body cover 2. On the right surface of the tape printer 1, a USB (Universal Serial Bus) jack (not shown) and the like are provided. The tape printer 1 is connected to a personal computer (not shown; hereinafter referred to as a PC) via a USB cable (not shown) connected to a USB jack. The tape printer 1 prints characters on a tape based on data of characters (characters, numbers, figures, etc.) transmitted from a PC.

  A cassette cover 6 that is opened and closed when the tape cassette 30 is replaced is provided on the upper surface of the tape printer 1. The cassette cover 6 is a lid portion having a substantially rectangular shape in plan view. The cassette cover 6 is pivotally supported at the left and right ends above the back surface of the main body cover 2 and is rotatable between a closed position (not shown) and an open position shown in FIG. The main body cover 2 is provided with a cassette mounting portion 8 which is an area where the tape cassette 30 can be attached and detached. A wall portion forming the cassette mounting portion 8 is a part of the upper cover 201. The cassette mounting portion 8 is covered when the cassette cover 6 is in the closed position, and is exposed when the cassette cover 6 is in the open position. A discharge slit 111 is provided on the left side surface of the main body cover 2. The discharge slit 111 discharges the printed tape from the cassette mounting portion 8.

  The structure of the main body cover 2 below the cassette cover 6 will be described. The cassette mounting portion 8 includes a cavity 80. The cavity 80 is a recess that is recessed so as to substantially correspond to the shape of the bottom surface of the cassette case 31.

  As shown in FIG. 1, a head holder 74 is erected on the front portion of the cassette mounting portion 8. The head holder 74 is formed of a single plate-like member that extends in the left-right direction. On the front surface of the head holder 74, a thermal head (not shown) including a heating element (not shown) is provided. A ribbon take-up shaft 95 is erected on the rear side of the head holder 74. The ribbon take-up shaft 95 is a shaft that can be attached to and detached from the ribbon take-up spool 44 of the tape cassette 30. A tape drive shaft 100 is erected on the left side of the head holder 74. The tape drive shaft 100 is a shaft body that can be attached to and detached from the tape drive roller 46 of the tape cassette 30. An auxiliary shaft 110 is erected on the right rear side of the tape drive shaft 100. The auxiliary shaft 110 is a shaft body that can be attached to and detached from the first tape support hole 65 of the tape cassette 30. A guide shaft 120 is erected on the right rear portion of the cassette mounting portion 8. The guide shaft 120 is a shaft body that can be attached to and detached from a guide hole (not shown) provided at the right rear corner of the tape cassette 30. A tape drive motor (not shown), which is a stepping motor, is disposed below the cassette mounting portion 8. The ribbon take-up shaft 95 and the tape drive roller 46 are connected to the tape drive motor via a plurality of gears (not shown), and rotate as the tape drive motor is driven. In this case, printing is performed by the thermal head while the tape in the tape cassette 30 is conveyed, and the printed tape is discharged from the discharge slit 111.

  Although not shown, an arm-shaped platen holder extending in the left-right direction is disposed on the front side of the head holder 74. The platen holder is pivotally supported around the shaft support 121 so as to be swingable. A platen roller and a movable conveyance roller are rotatably supported at the left end of the platen holder. The platen roller can be brought into contact with and separated from the thermal head relative to the thermal head (not shown). The movable conveying roller can be brought into contact with and separated from the tape driving roller 46 relative to the tape driving roller 46 mounted on the tape driving shaft 100. When the cassette cover 6 is closed, the platen holder moves toward the printing position. At the printing position, the platen holder is close to the cassette mounting portion 8. Specifically, when the receptor type tape cassette 30 is mounted on the cassette mounting portion 8, the platen roller presses the thermal head via the print tape 57 and the ink ribbon 60. At the same time, the movable conveyance roller presses the tape driving roller 46 via the printing tape 57. At the printing position, the tape printer 1 can perform printing using the tape cassette 30 mounted on the cassette mounting unit 8. A cut mechanism (not shown) is provided on the right side of the discharge slit 111. The cutting mechanism cuts the printed tape at a predetermined position.

  As shown in FIGS. 2 and 3, a battery case 5 is disposed at the rear of the tape printer 1. The battery case 5 is sandwiched and held between the upper cover 201 and the lower cover 202. The battery case 5, the upper cover 201, and the lower cover 202 are all made of synthetic resin and are formed by injection molding using a mold. The battery case 5 can store six batteries 89 (see FIG. 13). Details of the battery case 5 and its peripheral structure will be described later.

  The tape cassette 30 will be described with reference to FIG. The tape cassette 30 is a general-purpose cassette that can be mounted on the above-described thermal type, receptor type, laminate type, tube type, and the like by appropriately changing the type of tape accommodated therein and the presence or absence of an ink ribbon. . In FIG. 1, as an example, a tape cassette 30 mounted in a receptor type is shown.

  The tape cassette 30 includes a cassette case 31 that is a casing thereof. The cassette case 31 as a whole has a substantially rectangular shape (box shape) having rounded corners in plan view. The cassette case 31 includes an upper case 311 and a lower case 312. A discharge guide portion 49 that guides the tape discharged from the tape cassette 30 is provided at the left front corner 324 of the tape cassette 30. Inside the tape cassette 30, a tape spool (not shown) around which the printing tape 57 is wound and an ink ribbon roll around which the ink ribbon 60 is wound are housed. When printing using the tape cassette 30 is performed, the printing tape 57 and the ink ribbon 60 are conveyed, and printing is performed by the thermal head. After the printing is performed, the printing tape 57 is discharged from the discharge slit 111 via the discharge guide portion 49.

  The battery case 5 will be described in detail with reference to FIGS. 4 and 7 show a state in which the positive electrode terminal 570 (see FIGS. 2 and 3; described later) is removed. As shown in FIGS. 2 to 4, the battery case 5 includes a battery mounting surface 511 and a peripheral wall portion 52, and is formed in a concave shape that is recessed forward. The battery mounting surface 511 is a rectangular surface that is long in the left-right direction and forms the bottom surface of the concave battery case 5 (the rear surface of the portion recessed forward). Although not shown, in a state where six batteries 89 are mounted on the battery case 5, the batteries 89 are arranged in the left-right direction and are arranged in a zigzag manner in the front-rear direction. The battery mounting surface 511 has unevenness in the front-rear direction corresponding to the shape of the battery 89 to be mounted. The peripheral wall 52 is erected rearward around the battery mounting surface 511. The rear end portion of the peripheral wall portion 52 forms an opening 53 that faces the battery mounting surface 511.

  The opening 53 is covered with a battery cover (not shown), and the battery case 5 is exposed to the outside of the tape printer 1 when the battery cover is removed. The battery cover is detachably supported by the left and right ends of the battery case 5.

  The peripheral wall portion 52 supports the negative electrode terminal 582 and the positive electrode terminals 570 and 581. The negative electrode terminal 582 is a conductive terminal that can contact the negative electrode (not shown) of the battery 89. The negative terminal 582 protrudes inside the battery case 5 in a spiral shape. The positive terminals 570 and 581 are conductive terminals that can contact the positive electrode 891 (see FIG. 13) of the battery 89 housed in the battery case 5. The positive terminal 581 is formed in a spiral shape that is flat in the vertical direction. Details of the structure of the positive electrode terminal 570 will be described later.

  Six sets of the positive terminals 570 and 581 and the negative terminal 582 are provided inside the peripheral wall 52 so as to face each other in the vertical direction. More specifically, the lower wall portion 522 of the peripheral wall portion 52 includes a positive electrode terminal 570, a negative electrode terminal 582, a positive electrode terminal 581, a negative electrode terminal 582, a positive electrode terminal 581, and a negative electrode terminal 582 in the left direction from the right side. Arranged in order. The positive terminals 570 and 581 are opposed to three negative terminals 582 on the wall 521 side described later. The negative terminal 582 faces the three positive terminals 581 on the wall 521 side. The position in the front-rear direction of the center of the negative electrode terminal 582 (the center when viewed from above) is behind the position in the front-rear direction of the centers of the positive terminals 570 and 581.

  The wall portion 522 includes a lower end wall 522A and a support portion 522B. The lower end wall 522A is a wall portion that forms the lower end of the wall portion 522, and extends in the left-right direction. The support portion 522B is erected upward from the lower end wall 522A, and the upper end portion thereof extends toward the positive terminals 570 and 581 and the negative terminal 582. The left and right ends and the front end of each of the two positive terminals 581 and the three negative terminals 582 are disposed in a gap between the upper end portion and the lower end wall 522A of the support portion 522B. Further, left and right ends of a first plate portion 571 (described later) of the positive electrode terminal 570 are disposed in a gap between the support portion 522B and the lower end wall 522A (see FIG. 12).

  Although not shown, the upper wall 521 (see FIG. 2) of the peripheral wall 52 has a negative terminal 582, a positive terminal 581, a negative terminal 582, a positive terminal 581, a negative terminal 582, The positive terminals 581 are arranged in this order. The position in the front-rear direction of the center of the positive electrode terminal 581 (center when viewed from below) is the rear side of the position of the center of the negative electrode terminal 582 in the front-rear direction.

  As shown in FIGS. 2 and 4, the wall portion 521 includes an upper end wall 521A and a support portion 521B. The upper end wall 521A is a wall portion that forms the upper end of the wall portion 521, and extends in the left-right direction. The support portion 521B is erected downward from the upper end wall 521A, and the lower end portion thereof extends toward the positive terminal 581 and the negative terminal 582. The left and right ends and the front end of the three positive terminals 581 and the three negative terminals 582 are arranged in a gap between the lower end of the support portion 521B and the upper end wall 521A.

  The peripheral structure of the positive electrode terminal 570 will be described. In the following description, the front-rear direction, which is the direction in which the battery mounting surface 511 and the opening 53 face each other, may be referred to as “opposing direction”. Further, the direction toward the inner side of the peripheral wall portion 52 may be referred to as an “inner direction”. As shown in FIGS. 5 and 6, a plane portion 523 that is a plane facing upward is provided at the center in the front-rear direction of the right end portion of the lower end wall 522 </ b> A. A hook 54 is erected on the plane portion 523. As shown in FIGS. 4 and 5, the hook 54 extends in the forward direction in the facing direction. The hook 54 forms a part of the lower end wall 522A. The front end (front end) of the hook 54 is located at the front end of the battery case 5. The hook 54 has flexibility in the vertical direction. A protrusion 541 that protrudes inward is provided at the tip of the hook 54 (see FIG. 9).

  In the following description, the portion of the hook 54 that extends in the forward direction is referred to as a column portion 542. As shown in FIGS. 4 and 7, a pair of convex portions 543 and 544 projecting upward are provided at both left and right ends of the column portion 542. The convex portions 543 and 544 are provided integrally with the hook 54. The convex portions 543 and 544 are located on the proximal end side (rear side) of the hook 54 with respect to the protruding portion 541 in the facing direction (front-rear direction). More specifically, the convex portions 543 and 544 are provided from the rear side of the protruding portion 541 in the column portion 542 to the central portion in the front-rear direction of the column portion 542. The upper ends of the convex portions 543 and 544 are below the upper end of the protruding portion 541 (see FIG. 9). The convex portions 543 and 544 are opposed to a first rectangular portion 574 (described later) of the positive electrode terminal 570 (see FIG. 12).

  As shown in FIG. 5, a wall portion 534 extending in the front direction is provided on the right side of the hook 54 in the flat portion 523. On the left side of the hook 54 in the flat surface portion 523, a wall portion 535 extending in the forward direction is erected. The wall parts 534 and 535 form a part of the lower end wall 522A. The wall portion 534 and the front end portion of the wall portion 535 have an arc shape corresponding to the shape of the upper portion of the wall portions 534 and 535 on the back surface 512 (front surface) of the battery case 5.

  A wall portion that forms the back surface 512 of the battery case 5 and the battery mounting surface 511 is referred to as a bottom wall 51. As shown in FIGS. 5 and 6, a hole 513 is formed by the walls 534 and 535, the hook 54, and the right rear end of the bottom wall 51. By providing the hole portion 513, the space on the front side of the back surface 512 of the battery case 5 and the space on the inner side of the peripheral wall portion 52 are connected. The above-described support portion 522B (see FIG. 4) is connected to the end portion on the right rear side of the bottom wall 51 forming the hole portion 513, and protrudes downward on the lower surface side of the support portion 522B. A protruding portion 524 is provided. The protrusion 524 extends in the front-rear direction and is located on the right side of the hook 54 in the left-right direction.

  A positive terminal 570 is disposed in the inner direction of the hook 54. As shown in FIGS. 8 and 9, an opposing wall 203 whose upper end faces the hook 54 is disposed on the opposite side of the positive electrode terminal 570 with respect to the hook 54 (that is, the lower side of the hook 54). The facing wall 203 is erected upward from the lower cover 202. That is, the opposing wall 203 is formed separately from the battery case 5. The opposing wall 203 and the hook 54 are spaced apart in the vertical direction and are located within the flexible range of the hook 54. As shown in FIG. 9, the length L <b> 1 between the facing wall 203 and the hook 54 is less than the protruding length L <b> 2 of the hook 54 of the protruding portion 524.

  The configuration of the positive terminal 570 will be described in detail. As shown in FIG. 10, the positive electrode terminal 570 includes a first plate portion 571, a second plate portion 572, and an extending portion 573. The first plate portion 571 is a plate portion facing the hook 54 (see FIG. 9). The 1st board part 571 and the hook 54 are spaced apart in the up-down direction (refer FIG. 9). The first plate portion 571 includes a first rectangular portion 574, a contact portion 575, and a second rectangular portion 576. The first rectangular portion 574 is a rectangular plate portion that is long in the front-rear direction.

  The contact portion 575 is a portion that protrudes upward in a circular shape at the central portion of the first rectangular portion 574. More specifically, the contact portion 575 includes a flat portion 575A and an inclined portion 575B. The flat surface portion 575A is a circular flat surface that forms the central portion of the contact portion 575. The inclined portion 575B is inclined so as to be positioned downward from the periphery of the flat portion 575A as the distance from the center of the flat portion 575A increases (see FIG. 9). When the battery 89 is attached to the battery case 5, the flat portion 575A of the contact portion 575 contacts the positive electrode 891 of the battery 89 (see FIG. 13).

  The second rectangular portion 576 is a rectangular plate portion that is connected to the first rectangular portion 574 and extends forward from the center in the left-right direction at the front end of the first rectangular portion 574. The second plate portion 572 is connected to the front end of the second rectangular portion 576 of the first plate portion 571. The second plate portion 572 is inclined toward the hook 54 and comes into contact with the hook 54. In the present embodiment, the second plate portion 572 is bent with respect to the first plate portion 571 at a bent portion 577 between the second rectangular portion 576 and the second plate portion 572 and extends obliquely downward in the front direction. . When the battery 89 is attached to the battery case 5, the front end of the second plate portion 572 contacts the hook 54 (see FIG. 13). The second plate portion 572 is adjacent to the protruding portion 541 in the facing direction (see FIG. 9).

  The extending portion 573 is a plate portion extending in the right direction from the right portion of the front end portion of the first rectangular portion 574. The extending portion 573 protrudes to the outside of the battery case 5 through a hole 513 provided in the battery case 5 (see FIG. 5). The outer shape of the right end portion of the extending portion 573 is formed in a semicircular shape in plan view. A circular hole 578 penetrating in the vertical direction is provided at the right end of the extending portion 573. Although not shown, a harness (not shown) is connected to the right end of the extending portion 573. At this time, the electric wire of the harness is passed through the hole portion 578 and wound around the right end portion of the extending portion 573, and is electrically connected to the positive electrode terminal 570 by soldering. The harness is electrically connected to a control board (not shown) provided inside the tape printer 1.

  A manner of mounting the positive electrode terminal 570 to the battery case 5 at the time of manufacture will be described. The positive terminal 570 is inserted forward from the front side of the battery case 5 through the hole 513 with the rear end of the positive terminal 570 facing rearward. As shown in FIG. 11, the second plate portion 572 of the positive electrode terminal 570 and the protruding portion 541 of the hook 54 come into contact with each other. The positive electrode terminal 570 is restricted from moving upward by the extending portion 573 coming into contact with the protruding portion 524 (see FIG. 5). For this reason, a force is generated between the second plate portion 572 and the protruding portion 541, and at least one of the hook 54 and the positive electrode terminal 570 is bent. In the example shown in FIG. 11, the hook 54 is bent downward. In addition, when the positive electrode terminal 570 bends, for example, the second plate portion 572 bends upward about the bent portion 577.

  When the second plate portion 572 moves rearward from the protruding portion 541, the bending of the hook 54 and the second plate portion 572 is eliminated, and the rear surface of the protruding portion 541 is directed to the front side of the second plate portion 572 as shown in FIG. It will be in the position. The protruding portion 541 prevents the positive terminal 570 from coming out to the front side. Also, as shown in FIG. 12, the lower end of the second plate portion 572 is disposed between the convex portions 543 and 544 in the left-right direction.

  As described above, the battery case 5 is supported by being sandwiched between the upper cover 201 and the lower cover 202. As shown in FIGS. 8 and 9, when the lower cover 202 and the battery case 5 are attached to each other, the facing wall 203 of the lower cover 202 is disposed below the hook 54.

  As described above, the battery case 5 of the present embodiment is configured. As shown in FIG. 13, when the battery 89 is attached to the battery case 5, the positive electrode 891 of the battery 89 presses the contact portion 575 of the first plate portion 571 toward the hook 54 (downward). When the contact portion 575 is pressed to the hook 54 side, the positive terminal 570 moves to the hook 54 side. The second plate portion 572 of the positive electrode terminal 570 contacts the column portion 542 of the hook 54, and the upper end of the first rectangular portion 574 contacts the convex portions 543 and 544 (see FIG. 12).

  When the contact portion 575 is pressed toward the hook 54, the positive terminal 570 presses the column portion 542 of the hook 54 via the second plate portion 572. For this reason, the stress from the battery 89 is applied to the positive terminal 570 and the hook 54. Since the hook 54 has flexibility, it can bend downward when stress is applied. In the example shown in FIG. 13, the hook 54 is slightly bent downward. Since the hook 54 bends, the stress applied to the positive terminal 570 can be reduced as compared with the case where the hook 54 is not provided. Therefore, as for the angle between the first plate portion 571 and the second plate portion 572 in the bent portion 577, the change in the angle due to stress can be reduced as compared with the case where the hook 54 is not provided. Since the change in angle is small, when the battery 89 is removed, the angle between the first plate portion 571 and the second plate portion 572 tends to return to the original angle. Therefore, it is possible to prevent the positive electrode terminal 570 from returning from the deformed state to the original state (the state before being pressed by the battery 89). Further, since the change in the angle between the first plate portion 571 and the second plate portion 572 due to stress can be reduced as compared with the case where the hook 54 is not provided, the load applied to the bent portion 577 is reduced. it can. Therefore, the positive electrode terminal 570 can be prevented from being bent at the bent portion 577.

  In addition, since the upper end of the first rectangular portion 574 comes into contact with the convex portions 543 and 544 (see FIG. 12), the convex portions 543 and 544 can support the positive electrode terminal 570 in addition to the column portion 542. For this reason, the stress is also applied to the convex portions 543 and 544. Therefore, the stress is further dispersed as compared with the case where the convex portions 543 and 544 do not contact the positive electrode terminal 570. Therefore, the stress applied to the positive electrode terminal 570 is further reduced, and the positive electrode terminal 570 can be more reliably prevented from returning from the deformed state to the original state.

  Further, the positive terminal 570 pressed by the battery 89 can be supported at a plurality of points. Therefore, the amount of deflection of the hook 54 can be reduced as compared with the case where only the second plate portion 572 is supported by the column portion 542. Therefore, even if the opposing wall 203 is not provided, when the hook 54 is bent, it is possible to more reliably prevent the positive terminal 570 from dropping due to the hook 54 being bent too much.

  The convex portions 543 and 544 are provided integrally with the hook 54. For this reason, the convex portions 543 and 544 can move downward as the hook 54 bends. For this reason, compared with the case where convex part 543,544 does not move, the stress provided to the 1st rectangular part 574 which is a part contact | abutted to convex part 543,544 can be made small. Therefore, it is possible to prevent the positive electrode terminal 570 from being deformed by the stress applied to the first rectangular portion 574.

  Further, since the second plate portion 572 is bent with respect to the first plate portion 571 in the bent portion 577, the positive electrode terminal 570 exhibits an elastic force by the first plate portion 571 and the second plate portion 572. be able to. In addition, since the positive electrode terminal 570 returns from the deformed state to the original state due to the provision of the hook 54, the positive electrode terminal 570 becomes almost flat and the positive electrode terminal 570 is not caught by the protruding portion 541. It is possible to prevent 570 from falling off the hook 54. Further, since the positive electrode terminal 570 returns to the original state, the elastic force of the positive electrode terminal 570 can be maintained. For this reason, the contact pressure of the positive electrode terminal 570 to the battery 89 can be maintained.

  Further, when the positive electrode terminal 570 is attached to the battery case 5 at the time of manufacture, the hook 54 is bent (see FIG. 11). For this reason, the operator can easily attach the positive electrode terminal 570 to the battery case 5 and can improve the workability at the time of manufacture. Further, since the worker can bend the hook 54 and attach the positive terminal 570 (see FIG. 11), the positive terminal when the positive terminal 570 is attached to the battery case 5 as compared with the case where the hook 54 is not bent. The deformation amount of 570 can be reduced. Therefore, the load on the positive electrode terminal 570 when the positive electrode terminal 570 is attached to the battery case 5 can be reduced. Therefore, it is possible to prevent the positive electrode terminal 570 from being deformed when the positive electrode terminal 570 is attached to the battery case 5.

  Further, since the operator can attach the positive electrode terminal 570 by bending the hook 54, the positive electrode terminal 570 can be attached to the battery case 5 even if the protruding amount of the protruding portion 541 is larger than when the hook 54 is not provided. . For this reason, compared with the case where the hook 54 is not provided, the amount of engagement of the protrusion 541 with respect to the positive electrode terminal 570 (length L2 in the vertical direction of the rear surface of the protrusion 541 on which the second plate portion 572 of the positive electrode terminal 570 is hooked) can be increased. . Therefore, it is possible to prevent the positive terminal 570 from falling off the hook 54 more reliably.

  Further, since the opposing wall 203 is provided, the length that the hook 54 can be bent is limited to a length L1 (see FIG. 9) between the opposing wall 203 and the hook 54. The length L1 between the opposing wall 203 and the hook 54 is less than the protruding length L2 of the protruding portion 541 at the hook 54 (see FIG. 9). Therefore, the amount of bending of the hook 54 can be limited to less than the protruding length L2 of the protruding portion 541 by the facing wall 203. Therefore, the hook 54 is bent from the protruding length L2 of the protruding portion 541 so that the positive terminal 570 cannot be held by the protruding portion 541, and the positive terminal 570 can be prevented from being detached from the battery case 5.

  Further, the convex portions 543 and 544 are provided on the proximal end side (rear side) of the hook 54 from the protruding portion 541 in the facing direction (front-rear direction). For this reason, compared with the case where the convex parts 543 and 544 are provided in the same position as the protrusion part 541 in an opposing direction, the bending amount of the hook 54 can be reduced. Accordingly, it is possible to prevent the hook 54 from being bent excessively and being deformed or broken.

  Further, the lower cover 202 on which the facing wall 203 is formed has a function of forming an exterior wall of the tape printer 1. For this reason, compared with the case where the opposing wall 203 and the exterior wall of the tape printer 1 are formed separately, for example, the number of dies can be reduced and the cost can be reduced.

  In the present embodiment, the structure for housing the battery 89 such as the battery case 5 and the facing wall 203 is an example of the “battery housing structure” of the present invention. The battery mounting surface 511 is an example of the “bottom surface portion” in the present invention. The positive electrode terminal 570 is an example of the “battery terminal” in the present invention. The battery case 5 is an example of the “battery storage portion” in the present invention. The facing wall 203 is an example of the “wall portion” in the present invention. The convex portions 543 and 544 are examples of the “contact portion” in the present invention.

  The present invention is not limited to the above embodiment, and various modifications can be made. For example, the facing wall 203 may not be provided. Further, the convex portions 543 and 544 were in contact with the first rectangular portion 574. However, the protrusions 543 and 544 are deleted, and a contact portion that is provided opposite to the portion other than the second plate portion 572 and that contacts the positive electrode terminal 570 when the battery 89 is stored in the battery case 5 is provided. Also good. For example, the pillar portion 542 of the hook 54 may be extended in the right direction, and an abutting convex portion (not shown) that is a convex portion that can abut on the extending portion 573 may be formed in the extended portion. In this case, the contact convex portion is located on the proximal end side of the hook from the protruding portion 541. Even in this case, it is possible to obtain the same effect as when the convex portions 543 and 544 are provided. In addition, the contact protrusions and the protrusions 543 and 544 are provided integrally with the hook 54, but the present invention is not limited thereto. For example, the contact protrusion and the protrusions 543 and 544 are provided separately from the hook 54, such as being formed on the wall portion 534. May be. Moreover, although the contact convex part, convex part 543,544, etc. were provided in the base end side from the protrusion part 541, it is not limited to this. For example, when a part of the positive electrode terminal 570 has a part positioned in front of the protruding part 541, the convex part may be formed so as to contact the part. The second rectangular portion 576 may be omitted, and the second plate portion 572 may be directly connected to the first rectangular portion 574.

  Moreover, although the 2nd board part 572 was bend | folded with respect to the 1st board part 571 in the bending part 577, it contact | abutted to the hook 54, It is not limited to this. For example, the second plate portion 572 may be inclined toward the hook 54 while being curved with respect to the first plate portion 571. Even in this case, the battery terminal 570 can exert an elastic force. In addition, since the hook 54 is provided, a change in angle due to stress can be reduced with respect to the angle between the first plate portion 571 and the second plate portion 572. Therefore, it is possible to prevent the positive electrode terminal 570 from returning from the deformed state to the original state. Further, since the hook 54 is provided, the load applied to the curved portion can be reduced. Therefore, the positive electrode terminal 570 can be prevented from being broken.

5 Battery case 54 Hook 89 Battery 202 Lower cover 203 Opposing wall 511 Battery mounting surface 541 Protruding portion 543, 544 Protruding portion 570, 581 Positive terminal 571 First plate portion 572 Second plate portion 573 Extending portion 574 First rectangular portion 576 First Two rectangular parts 577 Bent part 891 Positive electrode

Claims (6)

A battery housing portion that is defined by a bottom surface portion and a peripheral wall portion that stands up around the bottom surface portion and forms an opening facing the bottom surface portion;
Protruding portion provided at a part of the peripheral wall portion, extending in a facing direction that is a direction in which the bottom surface portion and the opening portion face each other, and projecting in an inner direction that is a direction toward the inner side of the peripheral wall portion. A flexible hook provided in the section;
A battery terminal disposed in the inner direction of the hook;
A first plate having a contact portion provided on the battery terminal, facing the hook and capable of contacting the battery;
A battery comprising: a second plate portion that is connected to the first plate portion at the battery terminal, is adjacent to the projecting portion in the facing direction, and is inclined toward the hook and contacts the hook. Storage structure. The battery is formed separately from the battery housing portion, and includes a wall portion that faces the hook on the opposite side of the battery terminal across the hook and is located within a flexible range of the hook,
The battery storage structure according to claim 1, wherein a length between the wall portion and the hook is less than a length that the protruding portion protrudes.   A contact portion provided in the battery storage portion so as to face a portion other than the second plate portion in the battery terminal and capable of contacting the battery terminal when the battery is stored in the battery storage portion. The battery housing structure according to claim 1, wherein the battery housing structure is a battery housing structure.   The battery housing structure according to claim 3, wherein the contact portion is provided integrally with the hook.   The battery housing structure according to claim 4, wherein the contact portion is provided on a proximal end side of the hook with respect to the protruding portion in the facing direction.   The second plate portion is inclined toward the hook by being bent with respect to the first plate portion at a bent portion between the second plate portion and the first plate portion. The battery housing structure according to any one of claims 1 to 5.

Images