JP5140839B2 - Infant bath chair - Google Patents

Description

  The present invention relates to a bath chair used by an infant or an infant during bathing.

Japanese Patent Application Laid-Open Nos. 2004-121491 and 2002-119391 disclose bath chairs for infants. The child bath chairs disclosed in these publications include a base member having a seat surface portion, a back member having a backrest surface portion and attached to the base member so as to be tilted backward, and positioned above the front portion of the base member. And a front guard member extending in the width direction.
JP 2004-121491 A JP 2002-119391 A

  In the child bath chair disclosed in the above publication, the back member can be adjusted to recline with respect to the base member, but the scale around the rotating shaft that rotatably connects the back member and the base member. Easy to accumulate. Since the bathroom is humid, mold may be generated from the scale, which is not preferable for hygiene purposes.

  An object of the present invention is to provide an infant bath chair that can always be kept clean.

An infant bath chair according to the present invention is used by an infant when taking a bath, and includes a base member having a seat surface portion and a back member having a backrest surface portion and detachably attached to the base member. . The back member is supported by the base member so as to be able to tilt backward and forward. According to this invention, since the back member can be removed, the periphery of the rotation shaft that rotatably connects the back member and the base member can be kept clean. In a preferred embodiment, the base member has a pair of rear standing wall portions facing both side surfaces of the back member at both ends in the width direction of the rear portion thereof. A first engagement shaft and a second engagement shaft that are displaceable between a position protruding from the front surface and a position retracting inward are provided on one of the rear vertical wall portion of the base member and the side surface of the back member. The first shaft hole and the second shaft hole for receiving the first engagement shaft and the second engagement shaft are provided on the other side. A plurality of second shaft holes are provided, and they are located at an equal distance from the first shaft hole.

  In the above embodiment, a plurality of first shaft holes and a plurality of second shaft holes are provided. Preferably, the plurality of second shaft holes are located equidistant from one first shaft hole, and the plurality of first shaft holes are located equidistant from one second shaft hole.

  In a further preferred embodiment, the first engagement shaft and the second engagement shaft are provided on both side surfaces of the back member. The back member moves the first engagement shaft to the retracted position against the urging force of the first urging member, and a first urging member that urges the first engagement shaft to bring it into the protruding position. A first operating member for urging, a second urging member that urges the second engaging shaft to be brought into the protruding position, and a retracted position against the urging force of the second urging member. And a second operating member for moving to the position. Preferably, the base member has a recessed region that is recessed by a predetermined depth on the inner wall surface of the pair of rear standing wall portions, and the first shaft hole and the second shaft hole are provided in the recessed region. The first engagement shaft and the second engagement shaft are provided so as to be stopped at an intermediate position between the protruding position and the retracted position, and at the intermediate position, the first engagement shaft and the second engagement shaft are provided. Although the shaft has escaped from the first shaft hole and the second shaft hole, the shaft projects from both side surfaces of the back member by a height at which the shaft cannot escape from the recessed region.

  In one embodiment, the back member is provided so as to be able to tilt forward until it is in a positional relationship substantially parallel to the base member. With such a configuration, a compact folding form can be realized.

  Preferably, the base member includes a column portion that rises upward from the central portion in the width direction of the front portion thereof, and a front guard portion that extends from the upper end portion of the column portion to both sides in the width direction. The front guard part is preferably detachably attached to the pillar part.

  Preferably, the base member has a pair of front standing wall portions protruding upward at both widthwise end portions of the front portion thereof.

  1 to 3 show an infant bath chair according to an embodiment of the present invention. With reference to these drawings, first, an overall form appearing in the appearance of an infant bath chair will be described.

  The infant bath chair 1 is used by an infant or an infant when taking a bath, and includes a base member 10 having a seat surface portion 11 and a back member 50 having a backrest surface portion 51. As will be described in detail later, the back member 50 is detachably attached to the base member 10, and in the illustrated embodiment, is supported by the base member 10 so as to be able to tilt backward and forward.

  The base member 10 includes a column portion 14 that rises upward from a central portion in the width direction of a front portion thereof, and a front guard portion 15 that extends from the upper end portion of the column portion 14 to both sides in the width direction. As will be described later, the front guard portion 15 is detachably attached to the column portion 14. A sphere 16 that attracts the interest of the infant is rotatably accommodated in the center of the upper surface of the front guard portion 15.

  The base member 10 has a pair of rear standing wall portions 12 facing both side surfaces of the back member 50 at both ends in the width direction of the rear portion, and is raised upward at both width direction ends of the front portion. A pair of front standing wall portions 13 is provided.

  The back member 50 has a pair of side wall portions 52 projecting forward from both side portions thereof. The infant sitting on the bath chair is supported by the pair of side wall portions 52 on the left and right sides of the body, and further, the both feet are positioned between the pair of front standing wall portions 13 and the column portion 14. A stable posture can be maintained.

  4 to 8 show the back member 50. The back member 50 has a first engagement shaft 53 and a second engagement shaft 54 that are displaceable between a position protruding from both side wall surfaces and a position retracting inward. Correspondingly, two first shaft holes 23 adapted to receive the first engagement shafts 53 on the inner wall surfaces of the pair of rear standing wall portions 12 of the base member facing both side wall surfaces of the back member 50. , And two second shaft holes 24 adapted to receive the second engagement shaft 54 (see FIG. 9). In the illustrated embodiment, the relatively small first engagement shaft 53 is positioned above the relatively large second engagement shaft 54.

  6 to 8 schematically show parts housed in the back member 50. As illustrated, the pair of first engagement shafts 53 are fixed to the pair of first engagement members 55, and the pair of second engagement shafts 54 are fixed to the pair of engagement members 56. . The pair of first engaging members 55 is urged so as to always move outward in the width direction by a first spring 59 supported at one end by a first fixed spring receiver 63 fixed to the back member 50. . The other end of the first spring 59 is in contact with a first spring contact portion 57 fixed to the first engagement member 55. Similarly, the pair of second engaging members 56 are always urged to move outward in the width direction by a second spring 60 supported at one end by a second fixed spring receiver 64 fixed to the back member 50. Has been. The other end of the second spring 60 is in contact with a second spring contact portion 58 fixed to the second engagement member 56. In addition, it cannot be overemphasized that it replaces with the springs 59 and 60 and the other biasing member which exhibits an elastic biasing force may be used.

  In the state shown in FIG. 6, the pair of first engagement members 55 and the pair of second engagement members 56 are located on the outermost side in the width direction, and the pair of first engagement shafts 53 and the pair of The second engagement shaft 54 is provided at a projecting position that projects greatly from both side surfaces of the back member 50.

  As can be seen from FIG. 5 and FIG. 6, a pair of first operating members 61 for performing the moving operation are fixedly attached to the pair of first engaging members 55. A pair of second operating members 62 for performing the moving operation are fixedly attached to the pair of second engaging members 56. The pair of first operating members 61 and the pair of second operating members 62 are exposed to the outside from the back surface of the back member 50. If the pair of first operation members 61 are brought close to each other with fingers, the first engagement shaft 53 is brought into the retracted position where the first engagement shaft 53 retracts into the back member 50 against the urging force of the first spring 59. It is. Similarly, when the pair of second operation members 62 are brought close to each other with fingers, the second engagement shaft 54 moves backward into the back member 50 against the biasing force of the second spring 60. Brought into position.

  As shown in FIG. 6, a third engagement member 67 positioned between the pair of first engagement members 55 and the pair of second engagement members 56 and extending in the vertical direction is accommodated in the back member 50. Has been. The third engagement member 67 is provided so as to be displaceable in the vertical direction. An operation pawl 72 for performing the moving operation of the third engagement member 67 is exposed to the outside from the back surface of the back member 50.

  The third engagement member 67 is always urged to move upward by a third spring 66 supported at one end by a third fixed spring receiver 65 fixed to the back member 50. The pair of first engagement members 55 has a first protrusion 68 protruding toward the center in the width direction of the back member 50, and the pair of second engagement members 56 is located in the center in the width direction of the back member 50. It has the 2nd protrusion 69 which protruded toward. The third engaging member 67 has a third protrusion 70 at a position where it can face the first protrusion 68 of the pair of first engaging members 55, and the second protrusion 69 of the pair of second engaging members 56. The fourth protrusion 71 is provided at a position where it can face each other.

  FIG. 7 shows a state after the pair of first operating members 61 and the pair of second operating members 62 are operated so as to approach each other from the state shown in FIG. In the state shown in FIG. 7, the third protrusion 70 of the third engagement member 67 and the first protrusion 68 of the pair of first engagement members 55 are in contact with each other, and therefore, the pair of first engagement shafts 53. Remains in an intermediate position slightly protruding from both side surfaces of the back member 50. Similarly, the fourth protrusion 71 of the third engagement member 67 and the second protrusion 69 of the pair of second engagement members 56 are in contact with each other, so that the pair of second engagement shafts 54 is connected to the back member 50. It stays in the middle position that protrudes slightly from both sides.

  In FIG. 8, the operation pawl 72 of the third engagement member 67 is operated to move the third engagement member 67 to a lower position, and the first operation member 61 and the second operation member 62 are further operated to operate the first engagement member 67. And the state after moving the 2nd engagement members 55 and 56 toward the center of the width direction of the back member 50 is shown. In the illustrated state, the third protrusion 70 and the fourth protrusion 71 of the third engagement member 67 are respectively connected to the first protrusion 68 of the pair of first engagement members 55 and the pair of second engagement members 56. Since the pair of first engagement shafts 53 and the pair of second engagement shafts 54 are respectively displaced from the second protrusions 69, the retracted positions are completely retracted from both side surfaces of the back member 50. Has been brought to.

  Next, the base member 10 will be described with reference to FIGS. 9 and 10. The inner wall surface of the pair of rear standing wall portions 12 of the base member 10 is provided with a recessed region 22 that is recessed by a predetermined depth. Two first shaft holes 23 and two second shaft holes 24 are provided in the recessed region 22. The two second shaft holes 24 are located at the same distance from the one first shaft hole 23 located above, and the two first shaft holes 23 are located on the front side (left side in FIG. 9). It is located at an equal distance from the second shaft hole 24.

  As shown in FIG. 9, the cylindrical portion of the front guard portion 15 is accommodated in the columnar concave portion of the column portion 14. The column part 14 has the fixed nail | claw 17 which protrudes upwards from the bottom part of a cylindrical recessed part. The front guard portion 15 has an engagement piece 19 having an engagement hole 18 that can be locked to the fixed claw 17. The engagement piece 19 is urged by a spring 21 in a direction to be locked to the fixed claw 17. The front guard portion 15 has an operation button 20 for moving the engagement piece 19.

  In the state shown in FIG. 9, since the fixing claw 17 of the column portion 14 and the engagement piece 19 of the front guard portion 15 are locked, the front guard portion 15 cannot be removed from the column portion 14. When the push button 20 is pressed from the state shown in FIG. 9, the engagement state between the engagement piece 19 and the fixed claw 17 is released, so that the front guard portion 15 can be removed from the column portion 14. .

  FIGS. 11-14 has shown the state which changed the attitude | position of the back member 50 variously. Each state will be described.

  First, in the state shown in FIG. 11, the first engagement shaft 53 is fitted into the first shaft hole 23 located above, and the second engagement shaft 54 is fitted into the second shaft hole 24 located above the rear part. The rear member 50 is tilted forward until the positional relationship is substantially parallel to the base member 10. FIG. 11 shows a form when the bath chair is not used, that is, a compactly folded form.

  From the state shown in FIG. 11, the second operating member 62 is operated to retract the second engagement shaft 54. In this operation, since the second protrusion 69 of the second engagement member 56 and the fourth protrusion 71 of the third engagement member 67 abut, the second engagement shaft 54 is located between the protruding position and the retracted position. Stay in the middle position. That is, at this intermediate position, the second engagement shaft 54 has escaped from the second shaft hole 24 but cannot be escaped from the recessed region 22 provided on the inner surface of the pair of rear standing wall portions 12. Only protrudes from both side surfaces of the back member 50. From this state, when the rear member 50 is rotated backward about the first engagement shaft 53, the state shown in FIG. 12 is obtained.

  In the state shown in FIG. 12, the second engagement shaft 54 is fitted in the second shaft hole 24 positioned below the front part, and the back member 50 is slightly tilted rearward and can be used as a chair. From the state shown in FIG. 12, the first operating member 61 is operated to retract the first engaging shaft 53. In this operation, since the first protrusion 68 of the first engagement member 55 and the third protrusion 70 of the third engagement member 67 abut, the first engagement shaft 53 is located between the protruding position and the retracted position. Stay in the middle position. In other words, in this intermediate position, the first engagement shaft 53 protrudes from the first shaft hole 23 but protrudes from both side surfaces of the back member 50 by a height that cannot escape from the recessed region 22. From this state, when the rear member 50 is rotated backward about the second engagement shaft 54, the state shown in FIG. 13 is obtained.

  In the state shown in FIG. 13, the first engagement shaft 53 is fitted in the first shaft hole 23 positioned below, and the back member 50 is greatly inclined backward. When the first operating member 61 is operated from the state shown in FIG. 13 to cause the first engagement shaft 53 to escape from the first shaft hole 23 and the back member 50 is further rotated rearward, the state shown in FIG. can get. In the state shown in FIG. 14, the position of the back member 50 is fixed when the back surface of the back member 50 abuts against the rear end contact portion 25 of the base member 10.

  When removing the back member 50 from the base member 10, first, the operation pawl 72 of the third engagement member 67 is operated to move the third engagement member 67 to a lower position. 2 The operating member 62 is operated to retract the first engagement shaft 53 and the second engagement shaft 54 to the complete retracted position. Since the first engagement shaft 53 and the second engagement shaft 54 are completely retracted from both side wall surfaces of the back member 50, the back member 50 can be detached from the base member 10.

  In the illustrated embodiment, the back member 50 is provided with the first engagement shaft 53 and the second engagement shaft 54, and the base member 10 is provided with the first shaft hole 23 and the second shaft hole 24. As such, the base member may be provided with the first and second engagement shafts, and the back member may be provided with the first and second shaft holes. As yet another embodiment, the back member can be removed from the base member, but it may be a bath chair in which the inclination angle of the back member is fixed.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

  The present invention can be advantageously used as an infant bath chair that can be kept clean.

1 is a perspective view of an infant bath chair according to an embodiment of the present invention. It is a front view of the bath chair for infants. It is a side view of the bath chair for infants. It is a figure which shows a back member, (a) is a top view, (b) is a front view, (c) is a side view. It is a rear view of a back member. It is a figure showing the internal mechanism of a back member diagrammatically. It is a figure which shows the state after operating the 1st operation member and the 2nd operation member from the state shown in FIG. It is a figure which shows the state after operating the 1st operation member and the 2nd operation member in the state which moved the 3rd engagement member below. It is side surface sectional drawing of a base member. It is front sectional drawing of a base member. It is side surface sectional drawing of a bus chair, and has shown the state which inclined the back member forward. It is side surface sectional drawing of a bus chair, and has shown the state which inclined the back member slightly back. It is side surface sectional drawing of a bus chair, and has shown the state which inclined the back member largely back. It is side surface sectional drawing of a bus chair, and has shown the state which made the back member lie backward and greatly laid down.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Infant bath chair, 10 base member, 11 seat surface part, 12 rear standing wall part, 13 front standing wall part, 14 pillar part, 15 front guard part, 16 sphere, 17 fixing claw, 18 engaging hole, 19 engaging piece , 20 Push button, 21 Spring, 22 Recessed area, 23 1st shaft hole, 24 2nd shaft hole, 25 Rear end contact part, 50 Back member, 51 Backrest part, 52 Side wall part, 53 First engagement shaft, 54 Second engagement shaft, 55 First engagement member, 56 Second engagement member, 57 First spring contact portion, 58 Second spring contact portion, 59 First spring, 60 Second spring, 61 First operation Member, 62 second operation member, 63 first fixed spring receiver, 64 second fixed spring receiver, 65 third fixed spring receiver, 66 third spring, 67 third engagement member, 68 first protrusion, 69 second protrusion , 70 Third projection, 71 Fourth projection, 72 Sakutsume.

Claims (9)

A bath chair used by infants when taking a bath,
A base member having a seat surface portion;
Has a backrest surface portion, Bei example and a back member which is removably attached to said base member,
The back member is supported by the base member so as to be able to tilt backward and forward,
The base member has a pair of rear standing wall portions facing both side surfaces of the back member at both ends in the width direction of the rear portion,
A first engagement shaft and a second engagement which are displaceable between a position protruding from the surface and a position retracting inward on one of the rear standing wall portion of the base member and the side surface of the back member A first shaft hole and a second shaft hole for receiving the first engagement shaft and the second engagement shaft on the other side ;
A plurality of the second shaft holes are provided, and they are located at an equal distance from the first shaft hole . The infant bath chair according to claim 1 , wherein a plurality of the first shaft holes and the second shaft holes are provided. The plurality of second shaft holes are equidistant from one first shaft hole,
The infant bath chair according to claim 2 , wherein the plurality of first shaft holes are located at an equal distance from one second shaft hole. The first engagement shaft and the second engagement shaft are provided on both side surfaces of the back member,
The back member is
A first urging member that urges the first engagement shaft to be brought into the protruding position;
A first operating member for moving the first engagement shaft to the retracted position against the biasing force of the first biasing member;
A second urging member that urges the second engagement shaft to bring it into the protruding position;
The child operation according to any one of claims 1 to 3 , further comprising: a second operation member for moving the second engagement shaft to the retracted position against an urging force of the second urging member. Bath chair. The base member has a recessed region recessed by a predetermined depth on the inner wall surface of the pair of rear standing wall portions,
The first shaft hole and the second shaft hole are provided in the recessed region,
The first engagement shaft and the second engagement shaft are provided so as to be able to stop at an intermediate position between the protruding position and the retracted position,
In the intermediate position, the first engagement shaft and the second engagement shaft have escaped from the first shaft hole and the second shaft hole, but the back surface has a height that cannot escape from the recessed region. The infant bath chair according to claim 4 , which protrudes from both side surfaces of the member. The infant back chair according to any one of claims 1 to 5 , wherein the back member is provided so as to be able to tilt forward until the rear member is in a substantially parallel positional relationship with the base member. The base member includes a column portion that rises upward from a central portion in the width direction of a front portion thereof, and a front guard portion that extends on both sides in the width direction from an upper end portion of the column portion . The infant bath chair according to any one of 6 above. The infant front chair according to claim 7 , wherein the front guard part is detachably attached to the pillar part. The said base member is a bath chair for infants in any one of Claims 1-8 which have a pair of front part standing wall part which protruded upwards in the width direction both ends of the front part.

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