JP4469152B2 - Battery and connector connection structure, electric movable device - Google Patents

Description

    The present invention relates to a connection structure between a battery and a connector, and an electric movable device.

  The prior art will be described by taking an electric wheelchair as an example. Patent Document 1 discloses an electric wheelchair in which a power supply device is provided below a seating portion on which a user sits. The power supply device includes a bottom plate on which the battery is placed and a power supply cover that is attached to the upper surface of the battery placed on the bottom plate. The bottom plate on which the battery is placed has a pair of two arms protruding upward and a locking portion provided at the tip of the arms. The power supply cover has a pair of two arms projecting downward and a locked portion provided at the tip of the arm.

According to this, with the battery placed on the upper surface of the bottom plate, the power supply cover is lowered from the upper side of the battery in a non-rotating state and attached to the upper surface of the battery, so that the terminal of the power supply cover and the terminal of the battery are Are electrically connected, and the locking portion of the arm portion of the bottom plate and the locked portion of the arm portion of the power supply cover are detachably locked.
JP 10-5283 A

  According to the above-described technology, the positional relationship between the battery latching portion and the power cover latched portion on the bottom plate is not always clear, and the operator visually recognizes the positions of the latching portion and the latched portion with the naked eye. However, the operation of attaching the power supply cover to the battery is necessary, and there is a problem that it takes time to install. Furthermore, according to the above-described technique, it is not a method of turning the connector and connecting it to the battery.

  The present invention has been made in view of the above circumstances, and if the connector is turned with the first pivotal support part and the second pivotal support part fitted, the connector can be connected to the battery with a simple operation. It is an object of the present invention to provide a connection structure between a battery and a connector that employs a simple method, and an electric movable device.

The connection structure between the battery and the connector according to aspect 1 includes a battery having a first pivot portion having a concave shape or a convex shape and a first locking portion having a concave shape or a convex shape, and
A second pivoting portion which is convex or concave and can be turned relative to the first pivoting portion of the battery, and a second engagement which is convex or concave and is detachably locked to the first locking portion of the battery. And a connector having a stop,
With the first pivot part of the battery and the second pivot part of the connector fitted to each other, at least one of the battery and the connector is relative to the other around the first pivot part and the second pivot part. By turning, the first locking portion of the battery and the second locking portion of the connector are brought close to each other and detachably locked with each other.

  In this case, if the connector is pivoted around the first pivot part and the second pivot part and the first latching part of the battery and the second latching part of the connector are latched, the connector is connected to the battery. be able to. As a result, the connector terminal and the battery terminal are electrically connected. Here, the concave shape or the convex shape of the first pivot portion and the second pivot portion means an uneven structure having a function of maintaining the first pivot portion and the second pivot portion so that the connector can be turned. The concave shape or the convex shape of the first locking portion and the second locking portion means a concavo-convex structure having a function of locking the swung connector to the battery.

  According to the connection structure between the battery and the connector according to aspect 2, in addition to having the characteristics of aspect 1, one of the first pivot part of the battery and the second pivot part of the connector has a rotating shaft shape. The other of the first pivot part and the second pivot part of the connector has a notch for inserting one of the rotary shafts and has a hole shape for rotatably holding the one, and the first member of the battery. When the stop portion and the second locking portion of the connector are locked, the locking of the first pivot portion of the battery and the second pivot portion of the connector is maintained.

  In this case, the connector can be turned around the first pivot part and the second pivot part, and the connector can be connected to the battery. One of the first pivot part of the battery and the second pivot part of the connector has a rotary shaft shape, and the other is a hole shape having a notch into which the one of the rotary shaft shape is inserted. The first pivot part and the second pivot part can be fitted with each other so as to be rotatable. Further, the notch facilitates the detachment operation of the first pivot part and the second pivot part and facilitates the operation of removing the connector from the battery. Also in aspect 2, when the first locking portion of the battery and the second locking portion of the connector are locked, the locking of the first pivot portion of the battery and the second pivot portion of the connector is maintained. Thus, the connector can be further prevented from coming off.

  According to the connection structure between the battery and the connector according to aspect 3, in addition to having the characteristics of aspect 1, the battery has a connector guide for guiding the second pivot of the connector toward the first pivot of the battery. It is characterized by that. By the guiding action of the connector guide portion, the second pivot portion of the connector can be favorably and quickly guided toward the first pivot portion of the battery. For this reason, even in a dark place such as at night, a person with poor vision, a person with physical disabilities, even when connecting the connector to a place where it is difficult to see, or Even when the connector is connected to the battery while riding on the electric wheelchair, the second pivot part of the connector can be easily guided and fitted toward the first pivot part of the battery. As a result, the connector can be easily connected to the battery.

  According to the connection structure between the battery and the connector according to aspect 4, in addition to having the characteristics of aspect 1, the connector guide portion has the second pivot portion of the connector facing the first pivot portion of the battery in the width direction of the connector. A first connector guide for guiding and a second connector guide for guiding the second pivot of the connector to the first pivot of the battery in a direction crossing the width direction of the connector. Due to the guiding action of the first connector guide portion and the second connector guide portion, the second pivot portion of the connector can be favorably and quickly guided toward the first pivot portion of the battery.

  According to the connection structure between the battery and the connector according to the aspect 5, in addition to the characteristics of the aspect 1, the second locking portion of the connector includes an operation part that can be elastically deformed and a convex shape provided on the operation part. A second locking portion main body that is recessed and is removably locked to the first locking portion of the battery as it turns, and that is released from the first locking portion of the battery when the operation portion is operated in the release direction; It is characterized by having. In this case, if a person or the like operates the operating portion in the direction of detachment, the second locking portion main body of the connector can be easily detached from the first locking portion of the battery. Accordingly, the connector can be easily removed from the battery even in a dark place such as at night, a person with weak visual acuity, or a person with physical disabilities.

  According to the connection structure between the battery and the connector according to aspect 6, in addition to having the characteristics of aspect 1, the battery has a connector housing chamber for housing the connector and a connector guide space for guiding the connector to the connector housing chamber. The connector guide space and the connector housing chamber are connected to each other. As described above, the connector guide space and the connector housing chamber are continuously provided, so that the connector guided by the connector guide space can be easily housed in the connector housing chamber.

  According to the connection structure between the battery and the connector according to aspect 7, in addition to the characteristic of aspect 1, the battery has a drain hole for discharging water in the battery. In this case, even when water such as condensed water is generated inside the battery, the water can be discharged to the outside of the battery through the drain hole, thereby improving the durability of the battery. it can.

  According to the connection structure between the battery and the connector according to aspect 8, in addition to having the characteristics of aspect 1, a battery housing member having a pocket portion that detachably accommodates the battery and an inlet / outlet that allows the battery to be taken in and out of the pocket portion. Is further provided, and the battery housing member has an opening window through which the first pivotal support portion of the battery housed in the pocket portion is exposed. In this case, since the first pivotal support part of the battery housed in the pocket part of the battery housing member is exposed, the battery is housed in the pocket part of the battery housing member and concealed in the pocket part. The second pivot part of the connector can be fitted to the first pivot part of the battery exposed from the opening. Then, the connector can be connected to the battery by turning the connector relative to the battery. Furthermore, since the battery is accommodated in the pocket portion of the battery accommodating member, the protection against the battery can be enhanced.

  According to the connection structure between the battery and the connector according to aspect 9, in addition to having the characteristics of aspect 1, the battery housing member has a cover portion that covers one or both of the opening window and the doorway from the outside. Features. In this case, the battery housed in the pocket portion of the battery housing member can be protected by the cover portion, and the battery protection can be further enhanced.

The electric movable device according to aspect 10 includes an object holding unit that holds an object, a rotating body that rotates during traveling, a driving unit that drives the rotating body, a traveling operation unit that operates the driving unit during traveling, In the electric movable device including a power feeding unit that feeds power to the driving unit, and an object holding unit, a rotating body, a driving unit, a travel operation unit, and a frame that holds the power feeding unit
The power supply unit includes a battery having a concave or convex first pivot portion and a concave or convex first locking portion;
A second pivoting portion which is convex or concave and can be turned relative to the first pivoting portion of the battery, and a second engagement which is convex or concave and is detachably locked to the first locking portion of the battery. And a connector having a stop,
With the first pivot part of the battery and the second pivot part of the connector fitted to each other, at least one of the battery and the connector is relative to the other around the first pivot part and the second pivot part. By turning, the first locking portion of the battery and the second locking portion of the connector are brought close to each other and detachably locked with each other. In this case, the connector can be turned around the first pivot part and the second pivot part, and the connector can be connected to the battery. As a result, the connector terminal and the battery terminal are electrically connected. In addition, the battery-mounted electric movable device includes a wheelchair having an electric running function, an electric stationary chair, a transfer bed having an electric transfer function, a bed having an electric hoisting function, an electric drive A bicycle of an expression, an electric vehicle, etc. can be illustrated.

  According to the electric movable device according to aspect 11, in addition to having the characteristics of aspect 10, it is used in an electric wheelchair, and the object holding unit is configured to seat a seat on which a person is seated and a person's back seated on the seat. It has a backrest portion to support, and a battery is provided on at least one side of the seating portion and the backrest portion. In this case, the battery can be mounted on the electric wheelchair. When the battery is provided on the seating portion side of the electric wheelchair, the battery is easily concealed by the seating portion. When the battery is provided on the backrest side of the electric wheelchair, it is easy to perform an operation of mounting the battery on the electric wheelchair while suppressing the bending degree of the operator's waist.

  According to the electric movable device according to the aspect 12, in addition to the characteristics of the aspect 10, a battery accommodating member having a pocket portion that detachably accommodates the battery and an inlet / outlet that allows the battery to be taken in and out of the pocket portion is provided in the frame. The battery housing member is provided with an opening window through which the first pivotal support portion of the battery housed in the pocket portion is exposed. In this case, since the first pivotal support part of the battery housed in the pocket part of the battery housing member is exposed, the battery is housed in the pocket part of the battery housing member, and the first part exposed from the opening of the battery housing member of the battery. The connector can be connected to the battery by fitting the second pivot portion of the connector to the one pivot portion and turning the connector relative to the battery. Furthermore, since the battery is accommodated in the pocket portion of the battery accommodating member, the protection against the battery can be enhanced.

  According to the electric movable device according to aspect 13, in addition to the characteristic of aspect 10, the battery housing member has a cover portion that covers one or both of the opening window and the entrance / exit from the outside. . In this case, the battery housed in the pocket portion of the battery housing member can be protected by the cover portion, and the battery protection can be further enhanced.

  According to the present invention, a novel system for connecting a connector to a battery by turning the connector around the first pivot and the second pivot with the first pivot and the second pivot supported in each other. The present invention that employs can provide a connection structure between a battery and a connector, and an electric movable device.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a battery 1. FIG. 2 shows a state in which the connector 3 is connected to the battery 1. As shown in FIG. 1, a battery 1 according to the present embodiment is housed in a battery case 10 made of resin formed by joining a first case 10 m and a second case 10 n, and the battery case 10. The battery unit 11 is replaceable (for example, a nickel-hydrogen battery or a lithium battery). The battery case 10 has a vertically long flat box shape, a bottom surface 10a and an upper surface 10b facing each other, a set of two side surfaces 10c facing each other, and a small area 2 facing each other. And a pair of side surfaces 10d. The battery 1 is thin and is indicated by t1 (see FIG. 1).

  On the lower side of the battery 1, there are formed a connector housing chamber 13 for housing the connector 3 and a connector guide space 14 having a groove shape connected to the connector housing chamber 13. The connector guide space 14 and the connector housing chamber 13 are continuously provided so as to be L-shaped in cross section so as to open at the bottom surface 10a and the one side surface 10c. As a result, it is easy to guide the connector 3 toward the connector housing chamber 13 by the connector guiding space 14 and accommodate the connector 3 in the connector housing chamber 13.

  In the battery 1, a protrusion 15 is formed in the vicinity of the boundary area between the connector guide space 14 and the connector housing chamber 13. The protrusion 15 has a concave first pivot portion 16. The first pivot 16 extends straight along the horizontal direction (arrow D direction), has a hole shape having a notch 17 that opens upward, and is positioned below the battery case 10. Is formed. In the battery case 10, a concave first locking portion 21 having a locking function is formed on the wall surface 13 x partitioning the connector housing chamber 13 so as to be positioned below the first pivotal support portion 16. A plurality of first terminals 18 made of a conductive material are exposed and arranged in the connector housing chamber 13 of the battery case 10. The first terminal 18 is connected to the battery unit 11 by an unillustrated lead wire, and is directed downward in the use state shown in FIG.

  On the bottom surface 10 a of the battery case 10, a water drain hole 19 that allows the inside and outside of the battery case 10 to communicate is formed. Even when water such as condensed water is generated inside the battery case 10, the water can be discharged to the outside through the drain hole 19. On the concave portion 22 on the upper side of the battery case 10, a handle portion 23 held by a human finger is bridged. A plurality of bulged portions 24 are formed in a distributed manner on the side surface 10 c facing away from the first pivotal support portion 16 of the battery case 10. When the battery case 10 is placed on an installation surface such as a table surface or a floor surface with the bulging portion 24 facing down, a gap can be formed between the battery case 10 and the installation surface by the bulging portion 24. Thus, it is possible to prevent water and dirt on the installation surface from adhering to the battery case 10.

  FIG. 3 shows the connector 3. FIG. 4 shows the connector 3 viewed from the direction of arrow A1 in FIG. FIG. 5 shows the connector 3 viewed from the direction of arrow A2 in FIG. The connector 3 includes a resin-made connector case 30 having a size that can be easily operated by a human fingertip, and a pair of two each formed so as to protrude in a direction away from the connector case 30 on the end side of the connector case 30. On the opposite side of the second pivot part 32 of the connector 3, the convex part 31 that is laid between the two bulge parts 31 facing each other, the second pivot part 32 having a rotating shaft shape It has the 2nd latching | locking part 33 formed. The second pivotal support portion 32 having a rotating shaft shape has a circular shape in a cross section, and secures a turning property and a turning property. The tip 31x of the bulging portion 31 is formed as an arc surface so as to improve the sliding performance. The rotating shaft-shaped second pivotal support portion 32 is retracted by ΔM from the circular arc surface 31 x of the bulging portion 31. In this case, when the tip 31x of the bulging portion 31 is moved along the battery 1, excessive sliding of the rotary shaft-like second pivot portion 32 is avoided, which is advantageous in avoiding damage to the second pivot portion 32. is there.

  As shown in FIG. 3, the second locking portion 33 of the connector 3 includes an elastic arm-shaped operation portion 37 formed on the opposite side of the connector case 30 with respect to the second pivotal support portion 32 having a rotational axis shape. And a second locking portion main body 34 having a convex shape, that is, a claw shape, provided on the outer surface of the operation portion 37 so as to face the connector case 30. One end 37a of the operation unit 37 is connected to the connector case 30, while the other end 37b of the operation unit 37 is a free end. Therefore, the operation part 37 has a spring property and can be elastically deformed in the unlocking direction (the direction of the arrow X3 shown in FIG. 3) and in the locking direction (the direction of the arrow X4 shown in FIG. 3). The other end 37b of the operation portion 37 is formed with a non-slip portion 38 having a minute concavo-convex shape that increases the friction resistance of the fingertip.

  The 2nd latching | locking part main body 34 has a locking function, and has the inclined surface 34a and the standing surface 34b which improves retaining property. A plurality of second terminals 40 are exposed and arranged in parallel on the surface of the connector case 30. The second terminal 40 is made of a conductive material, and, as shown in FIG. 3, one end is held on the surface of the connector case 30 and the other end is a free end, so that it is elastic in the directions of the arrows X5 and X6. It can be deformed. The second terminal 40 of the connector 3 is formed at a position where it can be electrically contacted with the first terminal 18 of the battery 1.

  As shown in FIGS. 4 and 5, the connector case 30 includes a concave curved surface 30 a that can be adapted to a human finger W <b> 1 in order to enhance the holding property, and a lead-out portion 30 c that leads out the covered cable 41 with a built-in conductor. Have. The conducting wire of the covering cable 41 is electrically connected to the second terminal 40, and consequently electrically connected to the battery unit 11 of the battery 1.

  As shown in FIG. 1, a connector guide portion is formed in a groove-like connector guide space 14 formed on the lower side of the battery case 10. The connector guide portion guides the connector 3 while positioning the connector 3 toward the connector housing chamber 13 of the battery 1. Specifically, the connector guide portion positions the connector 3 in the width direction (arrow D direction) of the battery 1 while guiding the connector 3 and positions the connector 3 in the thickness direction of the battery 1. The second connector guide portion 28 for guiding is formed.

  As shown in FIG. 8, the first connector guide portion 26 includes a guide surface 26f having a constant width D1 in the battery case 10 and a width D1 that is continuous with the guide surface 26f toward the upper side (in the direction of arrow D). ) The guide surface 26s gradually increases. As shown in FIGS. 6 and 7, the second connector guide portion 28 is configured such that the rotary shaft-shaped second pivot portion 32 provided in the connector 3 is connected to the hole-shaped first pivot portion 16 of the battery 1. Guidance is provided in a direction that intersects the width direction (that is, the thickness direction of the battery 1, the direction of the arrow H shown in FIG. 6).

  As shown in FIGS. 6 and 7, the second connector guide portion 28 includes a flat guide surface 28 f having a constant depth h from the side surface 10 c of the battery case 10 and connected to the first pivotal support portion 16, and a flat guide surface. 28f and an inclined guide surface 28s that gradually decreases in depth h toward the upper side. According to the present embodiment, the connector 3 is positioned three-dimensionally by the first connector guide portion 26 and the second connector guide portion 28 even in a dark place such as at night, even if the person has a visual impairment. Therefore, it is possible to fit the rotating shaft-like second pivot part 32 of the connector 3 in a good and quick manner in a short time toward the hole-like first pivot part 16 through the notch 17 of the battery 1. As a result, the advantage that the connector 3 can be easily connected to the battery 1 is obtained.

  Next, the case where the connector 3 is connected to the battery 1 will be described mainly with reference to FIGS. First, as shown in FIG. 6, the connector 3 separated from the battery 1 is grasped with fingers or the like, and the second pivotal support portion 32 of the connector 3 faces the side surface 10 c of the battery 1. In this state, the connector 3 is moved in the direction of arrow W2 shown in FIG. Accordingly, the tip 31x of the bulging portion 31 of the connector case 30 is pressed against the flat guide surface 28f of the second connector guide portion 28 of the battery 1 or the inclined guide surface 28s. In this way, while pressing the connector 3 against the second connector guide portion 28 of the battery 1, the connector guide portion 26 faces the connector housing chamber 13 of the battery 1, that is, downward (in the direction of arrow Y 1). , 28. At this time, since the tip 31x of the bulging portion 31 is formed in an arcuate surface, the tip 31x can smoothly slide along the battery 1, and the moving operability can be improved. In this case, as shown in FIGS. 6 and 7, the second terminal 40 and the lead-out portion 30 c of the connector 3 face in the lateral direction while facing away from each other.

  When the connector 3 is moved downward as described above, as shown in FIG. 7, the second pivotal support portion 32 having the shape of the rotation shaft provided in the connector 3 is formed in the hole-shaped first from the notch 17. It will automatically fit into the pivot 16. In this case, as described above, the connector 3 moves the second pivotal support portion 32 of the connector 3 in the shape of the hole of the battery 1 by the positioning guide action of the first connector guide portion 26 and the second connector guide portion 28. Good and quick guidance can be achieved while positioning toward the first pivotal support 16.

  As shown in FIG. 7, in a state where the rotating shaft-like second pivotal support portion 32 of the connector 3 is fitted in the hole-shaped first pivotal support portion 16 of the battery 1, the connector 3 is temporarily held so as to be pivotable. The natural fall of 3 is suppressed. In this state, as shown in FIG. 7, the second pivotal support portion 32 having a rotational axis shape of the connector 3 is positioned relatively above the connector 3, and the operation portion 37 of the connector 3 is the second pivotal support portion. It is located relatively lower than 32. Further, as shown in FIG. 7, the lead-out portion 30 c of the connector case 30 is oriented laterally, and the second terminal 40 of the connector 3 is oriented laterally so as to face the first terminal 18.

  In the state where the rotary shaft-like second pivot portion 32 of the connector 3 is fitted and temporarily held in the hole-shaped first pivot portion 16 of the battery 1 as described above, the rotary shaft-like second pivot portion 32 of the connector 3 is As a turning center, the connector 3 is turned approximately 90 degrees in the lateral direction (the direction of arrow S1 shown in FIG. 7). In this case, the second pivotal support portion 32 of the connector 3 has a circular shaft-shaped rotational shaft shape, and the hole-shaped first pivotal support portion 16 of the battery 1 can function as a rotational bearing. It is good.

  As a result of turning the connector 3 as described above, the operation portion 37 of the connector 3 is pressed and elastically deformed by the wall surface 13x of the connector housing chamber 13 (the wall surface having the first locking portion 21). That is, the arm-shaped operating portion 37 is automatically elastically deformed in the direction of the arrow X3 shown in FIG. 9 and then exerts the spring force in the opposite direction. The main body 34 is automatically locked to the concave first locking portion 21 of the battery 1. That is, if the worker turns the connector 3 around the first pivot part 16 and the second pivot part 32 toward the connector housing chamber 13, the claw-shaped second is performed without performing a special locking operation. The locking portion main body 34 is automatically locked to the concave first locking portion 21 and the first locking means functions.

  Here, as shown in FIG. 7, the concave first locking portion 21 has an inclined surface 21 a and an elevation surface 21 b that enhances the retaining property. As shown in FIG. 7, the claw-shaped second locking portion main body 34 has an inclined surface 34 a and an elevation surface 34 b that enhances the retaining property. The retaining property is enhanced by the engagement between the vertical surfaces 34b and 21b.

  In this case, since the arm-like operation portion 37 exerts a spring force in the locking direction (arrow X4 direction), the claw-like second locking portion main body 34 is securely locked to the concave first locking portion 21. The Further, as shown in FIG. 9, the hole-shaped first pivot part 16 and the second pivot part 32 having a rotational axis shape are locked to each other, and the second pivot part 32 is detached by the wall 15 m of the protrusion 15. Is prevented. That is, the 1st pivot part 16 and the 2nd pivot part 32 function as a 2nd locking means. The connector 3 is locked to the battery 1 in a state where the connector 3 is accommodated in the connector accommodating chamber 13 on the bottom side of the battery 1 by the first locking means and the second locking means described above. In other words, when the first locking portion 21 of the battery 1 and the second locking portion 33 of the connector 3 are locked, the first pivot portion 16 of the battery 1 and the second pivot portion 32 of the connector 3 are engaged. Since the stop is maintained, disconnection of the connector 3 from the battery 1 is prevented.

  In the state where the connector 3 is connected to the battery 1 as described above, as shown in FIG. 9, the second terminal 40 of the connector 3 turns upward, and the first terminal 18 mounted downward on the battery 1 Press contact with a predetermined pressing force. Therefore, the first terminal 18 and the second terminal 40 are in electrical contact, and electrical continuity between the battery 1 and the connector 3 is ensured.

  That is, according to the present embodiment, as described above, if the second pivotal support portion 32 of the rotating shaft of the connector 3 is lowered from above and fitted into the hole-shaped first pivotal support portion 16 of the battery 1 and temporarily held, The positional relationship between the second locking portion main body 34 and the concave first locking portion 21 is automatically set, and the positional relationship between the first terminal 18 and the second terminal 40 is also automatically set. Thereafter, the connector 3 may be turned toward the connector housing chamber 13. Therefore, according to this embodiment, even if it is a dark place at night etc., even if it is a person with weak visual acuity, even if it is a person whose physical operation is inconvenient, the attachment operation | work of the connector 3 becomes easy. Further, when the battery 1 is provided on the back side of the wheelchair, the person in the wheelchair holds the connector 3 in his hand and turns his hand to the back side of the wheelchair, so that the person remains in the wheelchair. However, the connector 3 can be easily connected to the battery 1 and is convenient. In particular, since the guiding action of the first connector guide portion 26 and the second connector guide portion 28 described above can be obtained, the connector 3 can be connected to the battery 1 even when the vehicle is still in a wheelchair. Become.

  In the state where the connector 3 is connected to the battery 1 as described above, the other end 37 b of the operation unit 37 is disposed in an exposed state below the bottom surface 10 a of the battery 1 as shown in FIG. 9. Therefore, when the connector 3 is removed, the operation portion 37 can be operated in the unlocking direction (arrow X3 direction) with a fingertip, the lead-out portion 30c of the connector case 30 is directed downward, and the covered cable 41 is It will be derived | led-out toward the lower side, and it will be advantageous in reducing the lateral space required for arrangement | positioning of the covering cable 41. FIG. As shown in FIGS. 2 and 9, when the connector 3 is connected to the battery 1, the connector 3 is attached to the bottom surface 10 a side of the battery 1, so that the dustproof and dripproof properties of the connector 3 can be improved. it can.

  According to the present embodiment, when the connector 3 connected to the battery 1 is removed from the battery 1, the operation unit 37 of the connector 3 is elastically moved in the unlocking direction (arrow X3 direction) with a finger or the like in the state shown in FIG. Deform. Then, the claw-like second locking part main body 34 of the operation part 37 is detached from the concave first locking part 21. Further, the connector 3 is swung in the lateral direction (in the direction of arrow S2 shown in FIG. 9) with the second pivotal support portion 32 of the rotation axis shape of the connector 3 as the pivot center, and then the second pivotal support portion 32 of the connector 3 and the battery 1 are rotated. The connector 3 can be easily detached from the battery 1 by detaching the first pivotal support portion 16.

  FIGS. 10-13 shows the form which applied the connection structure of the connector 3 to the electric wheelchair 6 which is a typical example of an electric movable apparatus. FIG. 10 shows a rear view of the electric wheelchair 6. As shown in FIG. 10, the electric wheelchair 6 rotationally drives a target object holding unit 60 that holds a person as a target object, and a set of two wheels 64 and a wheel 64 as rotating bodies that rotate during traveling. A traveling operation unit 67 having a pair of driving motors 65 as driving units to be operated, a stick-like manual operation element 66 for a person to control the driving motor 65 during traveling, and a traveling operation unit 67. And a frame 69 having a footrest 69p. The frame 69 holds the object holding unit 60, the wheels 64, the drive motor 65, the travel operation unit 67, and the power feeding unit 68.

  As shown in FIG. 10, the object holding unit 60 includes a seating part 61 for seating a person's waist and a backrest part 62 for supporting the back of the person seated on the seating part 61. The battery housing member 8 is detachably or fixedly attached to the frame 69 on the backrest 62. The battery accommodating member 8 accommodates the battery 1 in a detachable manner, and is formed of a flexible sheet material that is waterproofed or drip-proofed. The battery housing member 8 includes a first pocket portion 81 that houses the flat battery 1 in a vertical manner so as to be detachable, and a second pocket portion 82 that is adjacent to the first pocket portion 81. The first pocket portion 81 accommodates the battery 1 used during traveling, and is provided on the side relatively close to the traveling operation portion 67. The second pocket portion 82 accommodates the spare battery 1 </ b> B or small items, and is provided on a side relatively far from the traveling operation portion 67.

  An inlet / outlet port 81a for inserting / removing the battery 1 into / from the first pocket portion 81 is formed on the upper portion of the first pocket portion 81, and a flexible first cover portion 83 is extended. . An opening window 85 is formed in the lower portion of the first pocket portion 81 so as to be exposed. The opening window 85 exposes the first pivot portion 16 and the connector housing chamber 13 of the battery 1 so that the connector 3 can be connected even when the battery 1 is housed in the first pocket portion 81. (See FIGS. 10 to 12).

  As shown in FIG. 10, a second entrance / exit 82a for inserting / removing the battery 1 to / from the second pocket portion 82 is formed on the upper portion of the second pocket portion 82, and a flexible second A cover portion 84 is extended. Note that an opening window 85 is not formed below the second pocket portion 82.

  The first cover portion 83 functions as a lid that covers both the first entrance 81a and the opening window 85 of the first pocket portion 81 from the outside, and is waterproofed or drip-proofed. The first cover portion 83 can further enhance the protection against the battery 1 accommodated in the first pocket portion 81. The 2nd cover part 84 functions as a lid | cover which covers the 2nd entrance / exit 82a of the 2nd pocket part 82 from the outside, and is waterproofed or drip-proofed. By the second cover portion 84, the protection against the spare battery 1B and small items housed in the second pocket portion 82 can be further enhanced.

  A first surface fastener 91 is provided on the inner surface of the lower portion 83 d of the first cover portion 83 that faces the first pocket portion 81. Similarly, the 1st surface fastener 91 as a joining element is provided in the inner surface which faces the 2nd pocket part 82 among the lower parts 84d of the 2nd cover part 84. As shown in FIG. A second hook-and-loop fastener 92 as a joining element is provided on the outer surface of the lower part of the first pocket portion 81 and the second pocket portion 82 in the battery housing member 8. The first surface fastener 91 and the second surface fastener 92 can face each other, and can be attached to each other so as to be detachable. If the 1st surface fastener 91 and the 2nd surface fastener 92 are stuck so that attachment or detachment is possible, in the state where the 1st cover part 83 and the 2nd cover part 84 covered the 1st entrance 81a and the 2nd entrance 82a. The battery housing member 8 is detachably fixed. Therefore, the protection with respect to the battery 1 and small articles accommodated in the 1st pocket part 81 and the 2nd pocket part 82 can be improved further. FIG. 10 shows a state in which the first cover portion 83 and the second cover portion 84 are extended upward.

  FIG. 11 shows a state in which the first pivotal support portion 16 of the battery 1 housed in the first pocket portion 81 of the battery housing member 8 is exposed from the opening window 85 of the first pocket portion 81 of the battery housing member 8. Show. Moreover, FIG. 11 is just before fitting the 2nd pivotal support part 32 of the rotating shaft shape of the connector 3 hold | maintained with the fingertip of the operator to the 1st pivotal support part 16 exposed from the opening window 85 as mentioned above. Shows the state. The opening window 85 and the first pivot portion 16 of the battery 1 exposed from the opening window 85 are provided on the back surface of the electric wheelchair 6 within a range in which fingers of a person riding on the electric wheelchair 6 can reach. . For this reason, if the hand holding the connector 3 is turned to the back side of the electric wheelchair 6, the connector 3 can be easily connected to the battery 1 even if the hand is still on the electric wheelchair 6. Convenient.

  Furthermore, as shown in FIG. 11, the second hook-and-loop fastener 92 is exposed on the outer surface on the upper side of the opening window 85 of the first pocket portion 81. FIG. 12 shows a state in which the connector 3 is normally connected to the battery 1 exposed from the opening window 85 of the first pocket portion 81 by the connection operation described above. In this state, the first cover portion 83 is moved in the direction of the arrow R3, and the first surface fastener 91 on the lower portion 83d side of the first cover portion 83 is attached to the second surface fastener 92 of the battery housing member 8, The opening window 85 of the first pocket portion 81 of the battery housing member 8 can be covered with the first cover portion 83.

  As a result, the connection structure between the connector 3 and the battery 1 exposed from the opening window 85 can be covered with the first cover portion 83, and the protection against the connection structure between the connector 3 and the battery 1 can be enhanced. Note that the end of the covered cable 41 led out from the connector 3 is connected to the travel operation unit 67. However, you may decide to connect the front-end | tip of the covering cable 41 to the drive motor 65 side as needed.

  When removing the battery 3 from the first pocket portion 81, the first cover 83 is lifted upward with the first surface fastener 91 and the second surface fastener 92 removed, and the battery 1 with the connector 3 removed. May be extracted from the entrance / exit 81 a of the first pocket portion 81.

  FIG. 13 illustrates a typical configuration in which the battery housing member 8 is attached to the frame 69 of the electric wheelchair 6. In this case, as shown in FIG. 13, a pair of two columns 70 are arranged in parallel on the back side of the frame 69 with a gap therebetween. The support column 70 is arranged in a vertically long shape, and has a grip portion 71 operated by a caregiver who cares for a person sitting in a wheelchair.

  A plurality of erection parts 100 extending in the lateral direction are bridged on a set of two columns 70 so that the backrest function can be exhibited. A plurality of installation parts 100 are arranged in parallel in the vertical direction. In this case, the erection part 100 is formed of a flexible sheet material, and an inner surface fastener 101 as a joining element provided inside the sheet material and a joining element provided outside the sheet material. And an outer surface fastener 102. The erection unit 100 is detachably held on the column 70 in a state where both ends of the erection unit 100 having a horizontally long shape are bent in an inverted U shape in the direction of arrow W4 (see FIG. 13) and wound around the column 70. Yes. In this case, although not shown, an intermediate fixture such as a double-sided tape is attached to the outer peripheral surface of the column 70, and the inner surface fastener 101 of the erection unit 100 is fixed to the column 70 via this intermediate fixture, thereby The part 100 can be fixed to the column 70. However, the fixing means for fixing the erection unit 100 to the column 70 is not limited to this.

  And as shown in FIG. 13, while arrange | positioning one side 8a of the battery accommodating member 8 in the front side (side toward the front of a wheelchair) of the support | pillar 70, the other one side 8b (pocket parts 81 and 82) of the battery accommodating member 8 is provided. Is folded in the direction of arrow R1 (see FIG. 13) in an inverted U-shape that is upside down and inverted, and placed on the rear side of the column 70 (the side toward the rear of the wheelchair). Further, a surface fastener 8 m as a joining element provided on the other side 8 b of the battery housing member 8 is attached to the outer surface fastener 102 of the installation part 100 by being attached thereto.

  In this case, since the pocket portions 81 and 82 of the battery housing member 8 are located toward the rear side of the wheelchair, the battery 1 can be easily attached and detached. In addition, since the height position of the battery 1 is moderate and the operator does not have to bend over his / her waist, the battery 1 can be attached and detached even for a normal person and a person who is physically disabled. It will be easy. In addition, the backrest part 62 can be comprised by the some construction part 100 and the battery accommodating member 8. FIG. However, another backrest part 62 formed of elements other than the erection part 100 and the battery housing member 8 may be attached to the frame 69 of the electric wheelchair 6.

Even when the size of the frame 69 of the electric wheelchair is changed, if the battery housing member 8 is mounted using the erection part 100 as shown in FIG. The frame 69 of the electric wheelchair whose size has been changed can be shared, and versatility can be ensured.
Further, since the battery accommodating member 8 capable of accommodating the battery 1 is detachably attached to the frame 69, the conventional battery holder equipped in the wheelchair can be eliminated, which is advantageous for reducing the weight of the conductive wheelchair. It becomes.

(Other)
According to the above-described embodiment, the connector 3 is attached to the lower side of the vertically long battery 1. However, the present invention is not limited to this. According to the above-described embodiment, the first pivot portion 16 of the battery 1 has a hole shape and the second pivot portion 32 of the connector 3 has a rotational axis shape. Conversely, the first pivot part 16 of the battery 1 may have a rotational axis shape, and the second pivot part 32 of the connector 3 may have a hole shape. That is, the first pivot part 16 of the battery 1 may be convex and the second pivot part 32 of the connector 3 may be concave.

  According to the above-described embodiment, the connector guide portion is provided in the battery 1. However, the present invention is not limited to this, and the battery guide 1 may not be provided in some cases. According to the above-described embodiment, the connector 3 is turned by about 90 degrees in the lateral direction with the rotation shaft-like second pivotal support portion 32 of the connector 3 as the turning center, but the turning angle is not limited to this. The angle may be less than 90 degrees or greater than 90 degrees. While the connector 3 is pressed against the second connector guide portion 28 of the battery 1, the connector 3 is moved toward the connector housing chamber 13 of the battery 1 (downward, in the direction of the arrow Y1). Depending on the application, the connector 3 may be moved upward.

  According to the above-described embodiment, the battery 1 has a vertically long flat box shape, but is not limited thereto, and may have a horizontally long flat box shape. In this case, it is suitable to arrange the battery 1 in a state of being horizontally aligned under the seating portion 61 of the electric wheelchair 6. FIG. 13 illustrates a typical form in which the battery housing member 8 that houses the battery 1 is attached to the frame 69 of the electric wheelchair 6, but the form in which the battery housing member 8 is attached to the frame 69 of the electric wheelchair 6 is shown here. It is not limited.

  According to the above-described embodiment, the battery 1 has a flat box shape, but is not limited thereto, and may be a square shape or a pseudo square shape. In addition, the present invention is not limited to the embodiment described above and shown in the drawings, and can be implemented with appropriate modifications without departing from the scope of the invention. According to the above-described embodiment, the battery housing member 8 includes the first pocket portion 81 and the second pocket portion 82, but may include only the first pocket portion 81, or may include the third pocket portion, It may have a fourth pocket portion. The following technical idea can also be grasped from the above description.

  (Additional Item 1) A battery housing member that is mounted on an electric movable device such as an electric wheelchair and that detachably accommodates a battery, the pocket portion accommodating the battery, and the battery with respect to the pocket portion. And a battery accommodating member. In this case, the battery can be mounted on an electric movable device such as an electric wheelchair.

  (Additional Item 2) In Additional Item 1, the battery storage member has an opening window that exposes the first pivotal support portion of the battery stored in the pocket portion. In this case, even when the battery is accommodated in the pocket portion, the first pivotal support portion of the battery is exposed from the opening window, so that the connector can be connected to the battery via the first pivotal support portion.

  (Additional Item 3) A construction part that is held in a bridge state by a plurality of support columns that are arranged in parallel with each other to form a frame of an electric movable device such as an electric wheelchair, and a battery that is held by the construction part and accommodates a battery A battery housing member mounting structure, comprising: a battery housing member having a pocket portion. In this case, the battery can be mounted on the electric movable device. Furthermore, even when the size of the frame is changed, the battery housing member and the installation portion can be shared by the frame of the electric wheelchair whose size has been changed.

(Additional Item 4) An object holding unit that holds an object, a rotating body that rotates during traveling, a driving unit that drives the rotating body, a traveling operation unit that operates the driving unit during traveling, and power supply to the driving unit In an electric movable device comprising a power feeding unit, a target object holding unit, a rotating body, a driving unit, a travel operation unit, and a frame that holds the power feeding unit.
A plurality of support columns that are arranged in parallel at intervals from each other, a support portion that is held in a bridge state in the horizontal direction on the support posts, and a battery storage member that has a pocket portion that is held in the support portion and stores a battery. An electric movable device such as an electric wheelchair characterized by comprising: In this case, the battery can be mounted on the electric movable device. Furthermore, even when the size of the frame is changed, the battery housing member and the installation portion can be shared by the frame of the electric wheelchair whose size has been changed.

  The present invention can be used for a connection structure between a battery and a connector used in an electric movable device or the like. The electric movable device includes a wheelchair with an electric running function, an electric stationary chair, a transfer bed with an electric transfer function, a movable bed with an electric hoisting function, an electric bicycle, An electric vehicle etc. can be illustrated.

It is a perspective view of the battery which removed the connector. It is a perspective view of the battery attached in the state which accommodated the connector in the connector storage chamber. It is a figure which shows a connector. It is a side view of the connector visually recognized from the arrow A1 direction of FIG. It is a side view of the connector visually recognized from the arrow A2 direction of FIG. It is sectional drawing which shows the state which has pressed the connector against the connector guide part of a battery. It is sectional drawing which shows the state which fitted and temporarily hold | maintained the 2nd pivot part of the connector in the 1st pivot part of the battery. It is a front view which shows the state which has pressed the connector against the connector guide part of a battery. It is sectional drawing which shows the state which connected the connector to the battery by latching the 2nd latching | locking part of a connector to the 1st latching | locking part of a battery. It is a rear view of the electric wheelchair which attached the battery accommodating member which accommodates a battery. The perspective view which shows the state just before fitting the rotating shaft-shaped 2nd pivotal support part of the connector hold | maintained with the fingertip of the operator into the hole-shaped 1st pivotal support part exposed from the opening window of the 1st pocket part of a battery accommodating member. FIG. The perspective view which shows the state which covers the opening window of the 1st pocket part of a battery accommodating member with a 1st cover part by sticking the 1st surface fastener of a 1st cover part on the 2nd surface fastener of a battery accommodating member so that attachment or detachment is possible. FIG. It is a perspective view which shows the state which attaches a battery accommodating member to the support | pillar of the flame | frame of an electric wheelchair.

Explanation of symbols

  1 is a battery, 10 is a battery case, 13 is a connector housing chamber, 14 is a connector guide space, 16 is a first pivotal support portion, 17 is a notch, 18 is a first terminal, 21 is a first locking portion, and 19 is a drain Hole 26, first connector guide part 28, second connector guide part 3, connector 3, connector case 30, second pivot part 32, second locking part 33, operation part 37, and 40 2 terminals, 41 covered cable, 6 electric wheelchair (electrically movable device), 60 object holding part, 61 seating part, 62 backrest part, 65 drive motor (drive part), 66 manually operated , 67 is a traveling operation section, 68 is a power feeding section, 69 is a frame, 70 is a support, 8 is a battery housing member, 81 is a first pocket section, 81a is an entrance / exit, 82 is a second pocket section, 82a is an entrance / exit, 83 Is the first cover part, 84 is the second cover part Show.

Claims (13)

A battery having a first pivot portion having a concave shape or a convex shape and a first locking portion having a concave shape or a convex shape;
A second pivot part that is convex or concave and is pivotable relative to the first pivot part of the battery, and a convex or concave part that is detachably locked to the first locking part of the battery. A second locking portion that has a second locking portion,
At least one of the battery and the connector around the first pivot part and the second pivot part with the first pivot part of the battery and the second pivot part of the connector fitted together. The battery is characterized in that the first locking portion of the battery and the second locking portion of the connector are brought close to each other and removably locked to each other by pivoting the battery with respect to the other. And connector connection structure.   2. The first pivot portion of the battery and the second pivot portion of the connector have a rotating shaft shape, and the first pivot portion of the battery and the second pivot portion of the connector according to claim 1. The other of the two has a notch for inserting the one of the rotating shafts and has a hole shape for rotatably holding the one, and the first locking portion of the battery and the connector of the connector When the second locking portion is locked, the locking of the first pivot portion of the battery and the second pivot portion of the connector is maintained. Connection structure.   3. The battery according to claim 1, wherein the battery has a connector guide portion that guides the second pivot portion of the connector toward the first pivot portion of the battery. Connection structure.   4. The connector guide portion according to claim 3, wherein the connector guide portion guides the second pivot portion of the connector toward the first pivot portion of the battery in the width direction of the connector, and the connector. A connection structure between a battery and a connector, comprising: a second connector guide portion that guides the second pivot portion to the first pivot portion of the battery in a direction crossing the width direction of the connector.   The said 2nd latching | locking part of the said connector in any one of Claims 1-4 WHEREIN: The operation part which can be elastically deformed, and the convex or concave shape provided in the said operation part comprises, and the said turning Accordingly, the second locking portion main body is detachably locked to the first locking portion of the battery and is detached from the first locking portion of the battery in accordance with the operation of the operating portion in the detaching direction. A connection structure between the battery and the connector.   6. The connector guide according to claim 1, wherein the battery includes a connector housing chamber that houses the connector and a connector guide space that guides the connector to the connector housing chamber. A connection structure between a battery and a connector, wherein the space and the connector housing chamber are connected in a cross section.   7. The battery-connector connection structure according to claim 1, wherein the battery has a drain hole for discharging water in the battery. The battery housing member according to any one of claims 1 to 7, further comprising a pocket portion that detachably accommodates the battery, and an inlet / outlet port that allows the battery to be taken in and out of the pocket portion. And
The battery housing member has an opening window through which the first pivotal support portion of the battery housed in the pocket portion is exposed.   9. The battery / connector connection structure according to claim 8, wherein the battery housing member has a cover portion that covers one or both of the opening window and the doorway from the outside. An object holding unit that holds an object, a rotating body that rotates during traveling, a driving unit that drives the rotating body, a traveling operation unit that operates the driving unit during traveling, and a power feeding unit that supplies power to the driving unit And an electric movable device comprising the object holding unit, the rotating body, the drive unit, the travel operation unit, and a frame that holds the power feeding unit.
The power feeding unit is
A battery having a first pivot portion having a concave shape or a convex shape and a first locking portion having a concave shape or a convex shape;
A second pivot part that is convex or concave and is pivotable relative to the first pivot part of the battery, and a convex or concave part that is detachably locked to the first locking part of the battery. A second locking portion that has a second locking portion,
At least one of the battery and the connector around the first pivot part and the second pivot part with the first pivot part of the battery and the second pivot part of the connector fitted together. The first locking portion of the battery and the second locking portion of the connector are brought close to each other so as to be detachably locked with each other. Type mobile device.   11. The electric wheelchair according to claim 10, wherein the object holding part includes a seating part for seating a person and a backrest part for supporting a back of the person seated on the seating part, and the seating part and The electric movable device, wherein the battery is provided on at least one side of the backrest portion. 12. The battery housing member according to claim 9, wherein a battery housing member is provided in the frame, the battery housing member having a pocket portion that detachably accommodates the battery, and an inlet / outlet port that allows the battery to be taken in and out of the pocket portion. And
The battery-operated member has an opening window through which the first pivot portion of the battery housed in the pocket portion is exposed.   13. The electric movable device according to claim 12, wherein the battery housing member has a cover portion that covers one or both of the opening window and the entrance / exit from the outside.

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