TW201434416A - Childcare apparatus - Google Patents

Abstract

The present invention provides a childcare apparatus in which a movable portion can reciprocate smoothly on a holding portion, and which enables the restriction occurrence of noise. Also the present invention provides a childcare apparatus which can prevent a carrying load from the movable portion from being applied directly to the holding portion during the stop of the movable portion, and in which the movable portion will not move inadvertently regardless of the operator's intention. The former childcare apparatus comprises a holding portion 20 which has rotatable rollers 21 provided thereon and can be optionally fixed, and a movable portion 30 which is mounted on the holding portion 20 and is adapted to support a seat 11a and a back portion 11b. The movable portion 30 has curved rails 31 each adapted to abut each corresponding roller 21 of the holding portion 20. Thus, the movable portion 30 slides on the holding portion 20. The latter childcare apparatus comprises a holding portion 20 provided above legs 13; a movable portion 30 which is substantially horizontally mounted on the holding portion 20 such that it can reciprocate on the holding portion 20, and is provided below a childcare apparatus body 11, and has mating members 32 at its bottom portion; and a locking portion 40. The locking portion 40 is provided on the holding portion 20, and includes engagement members 41 each adapted to engage with and lift each corresponding mating member 32; an operational lever 42; and link mechanisms 45 each arranged between each engagement member 41 and the operational lever 42. In this apparatus, horizontal movement of the operational lever 42 causes vertical movement of each engagement member 41 via each corresponding link mechanism 45.

Description

Childcare equipment Field of invention

The present invention relates to a childcare device for use as a chair or bed for a child such as a newborn, an infant, or a child.

Background of the invention

The childcare device has been developed as a chair or a bed user, and includes a pair of left and right front and rear legs provided with casters at the lower end, a pair of left and right side plates connected to the upper ends of the front and rear legs, and a pair of side plates, and There is a body part for a childcare device for covering one of the side panels (for example, see Patent Document 1).

In the childcare device disclosed in Patent Document 1, the body part of the childcare device has a seat portion, a step ladder connected to the front and the lower side of the seat portion, and a back portion that is connected from the rear end of the seat portion in the vertical direction and connected to each other. Rest on the head above the back. The parts are free to move obliquely to each other at the joint. Therefore, the childcare device has a function as a child's chair, and has a function as a child's bed by tilting the movement so that the foot, the seat, and the back are approximately horizontal.

also. The front and rear feet are rotated about the mounting shaft with respect to the side plates freely. Thereby, the position of the body part of the childcare device can be raised or lowered. Further, the seat portion and the back portion of the body portion of the childcare device are covered with a thin plate such as synthetic resin.

The childcare device uses a holding portion provided on the upper portion of the leg and having a curved track that is convex downward, and has a lower portion of the body portion of the childcare device formed by the seat portion and the back, and is on the track of the holding portion. The movable part of the roller that reciprocates and rotates freely.

In the above-mentioned childcare device, the roller provided under the movable portion reciprocates on the curved rail of the holding portion, and the movable portion can reciprocate on the holding portion. In this way, the seat and the back for the child to ride can be shaken freely relative to the foot, and the child riding on the childcare device can be comfortably shaken.

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2003-24189

Summary of invention

However, in such a childcare device, there is a problem that noise occurs when the roller attached to the movable portion reciprocates on the rail attached to the holding portion. Further, in such a childcare device, when the movable portion is stopped, the load from the movable portion is directly applied to the holding portion, and the roller or the rail is broken. Further, when the movable portion is stopped, the movable portion is not moved by the operator's intention for some reason.

The present invention has been made in view of the above, and it is an object of the invention to provide a childcare device capable of suppressing noise generation by reciprocatingly moving a movable portion to a holding portion. Another object of the present invention is to stop at the movable portion In a state in which a gap is provided between the holding portion and the movable portion, the movable portion can be locked with respect to the holding portion, thereby preventing the load from the movable portion from being directly applied to the holding portion when the movable portion is stopped, and the operation is not performed. Childcare equipment that moves the movable part with the will of the person.

The childcare device according to the first aspect of the invention includes a body part having a seat portion and a back, a leg portion for supporting the body portion of the childcare device, a holding portion provided above the leg portion, and a roller that is rotatable upwardly. And a movable portion placed on the holding portion to contact the curved track of the holding portion and disposed under the body portion of the childcare device; and the movable portion reciprocates on the holding portion. According to the above invention, since the track surface is downward, dust such as dust is not accumulated on the rail, whereby the movable portion can smoothly reciprocate on the holding portion, and noise generation can be suppressed.

In the childcare device according to the above aspect of the invention, the upper edge and the lower edge of the roller cross section perpendicular to the moving direction of the movable portion preferably have a convex curved shape, and a cross section of the rail perpendicular to the moving direction of the movable portion It has a curved shape with a convex shape above. Alternatively, in the childcare device according to the above aspect of the invention, the upper edge and the lower edge of the roller cross section perpendicular to the moving direction of the movable portion preferably have a convex curved shape and a track perpendicular to the moving direction of the movable portion. The cross section has a V shape that is convex upward. Thereby, when the movable portion reciprocates on the holding portion, the movable portion can be prevented from moving in the axial direction of the roller. Therefore, it is possible to prevent the movable portion from colliding with a part of the holding portion, and noise generation can be suppressed.

In the above-mentioned childcare device, it is preferable that the movable portion has a cushioning member at one or both ends of the longitudinal direction of the rail, and the abutting roller A roller stop that limits the movement of the roller to the track. Thereby, when the movable portion reciprocates on the holding portion, the vicinity of the end portion of the long direction of the rail of the movable portion can be alleviated, so that generation of noise can be suppressed.

In the childcare device of the above invention, the roller is provided with a plurality of rollers, and the track is provided at a plurality of positions corresponding to the respective rollers. Thereby, the movable portion can reciprocate more stably on the holding portion.

The childcare device according to the second aspect of the present invention includes a body part having a seat portion and a back, a leg portion for supporting the body portion of the childcare device, a holding portion provided above the leg portion and having a curved track, and having a mounting portion The holding portion has a movable portion that reciprocates and rotates on the rail of the holding portion and is disposed under the body portion of the childcare device, and a direction perpendicular to a moving direction of the movable portion. The upper edge and the lower edge of the cross section have a convex curved shape, and a cross section of the rail in a direction perpendicular to a moving direction of the movable portion has a curved shape that is convex downward, and the movable portion reciprocates on the holding portion. Thereby, when the movable portion reciprocates on the holding portion, the movable portion can be prevented from moving in the axial direction of the roller. Therefore, it is possible to prevent the movable portion from colliding with a part of the holding portion, and noise generation can be suppressed.

A childcare device according to a third aspect of the present invention includes a body part having a seat portion and a back portion; a leg portion for supporting the body portion of the childcare device; a holding portion provided above the leg portion; and reciprocatingly movable in an approximately horizontal direction And being disposed on the holding portion and disposed under the body of the childcare device, and having a movable portion of the engaged member at the bottom portion; and having the card portion disposed on the holding portion and engaged with the engaged member Lifting member The engaging member, the operating lever, and the locking portion connected to the link mechanism between the engaging member and the operating lever. Further, by the horizontal movement of the operating lever, the engaging member moves the engaging member in the vertical direction. According to the above aspect of the invention, it is possible to provide a gap between the holding portion and the movable portion while the movable portion is stopped, and to lock the movable portion with respect to the holding portion, thereby preventing the load from the movable portion when the movable portion is stopped. A childcare device that is directly applied to the holding portion and that does not move the movable portion without the operator's wishes.

In the childcare device according to the above aspect of the invention, the link mechanism preferably has a horizontally-moving member that slides on the holding portion and a connecting member that is rotatably coupled to the horizontally-moving member, and the connecting member of the connecting mechanism is rotatably coupled. At the same time, the horizontal moving member is coupled to the operating lever. Thereby, the force acting in the horizontal direction of the operating lever can be converted into the vertical direction force of the engaging member by the horizontal moving member and the connecting member.

In the childcare device according to the above aspect of the invention, it is preferable that a plurality of engaged members are provided in the movable portion, and a plurality of engaging members are provided in the locking portion, and each of the engaging members is provided at a position corresponding to each of the engaged members. Thereby, the lock portion can be more stably fixed by lifting the movable portion up to the vertical direction.

In the childcare device according to the above aspect of the invention, it is preferable that the holding portion is provided in the vertical direction and the engaging member is guided to move in the vertical direction. Thereby, the engaging member can be moved more stably in the vertical direction.

In the childcare device according to the above aspect of the invention, the engaged member of the movable portion is preferably in the shape of a rod, and the engaging member has a concave portion corresponding to the shape of the engaged member. Thereby, since the engaging member can be easily and stably engaged with the engaged member, the locking portion can more stably hold the movable portion up to the vertical direction and be fixed.

According to the childcare apparatus of the first and second aspects of the invention, since the movable portion can reciprocate smoothly on the holding portion, generation of noise can be suppressed. Further, according to the childcare device of the third aspect of the invention, the movable portion is stopped, and a gap is provided between the holding portion and the movable portion to lock the movable portion with respect to the holding portion, thereby preventing the movable portion from being stopped from the movable portion. The loading weight is directly applied to the holding portion, and the movable portion is not moved without the operator's intention.

10‧‧‧Children's equipment

11‧‧‧Children's equipment body

11a‧‧‧Seat

11b‧‧‧ Back

11c‧‧‧ Arms

11d‧‧‧Steps

11e‧‧‧ head

12‧‧‧ side panels

13‧‧‧foot

13a‧‧‧Front foot

13b‧‧‧ hind feet

13c‧‧‧ casters

13d‧‧‧ casters

13e‧‧‧stop

20‧‧‧ Keeping Department

21‧‧‧Roller

21a‧‧‧Upper edge

21b‧‧‧ lower edge

21c‧‧‧Axis

22‧‧‧Support members

22a‧‧‧Sheet members

26‧‧‧Clamping member guiding track

26a‧‧‧Ditch

30‧‧‧movable department

30a‧‧‧ hollow part

31‧‧‧ Track

31a‧‧‧End

32‧‧‧Bucked components

33‧‧‧Roller stop

33a‧‧‧ cushioning members

40‧‧‧Locking

41‧‧‧ engaging members

41a‧‧‧ recess

42‧‧‧Operator

45‧‧‧ linkage mechanism

47‧‧‧Horizontal moving member

48‧‧‧Connected components

48a‧‧‧End

48b‧‧‧The other end

50‧‧‧ Keeping Department

51‧‧‧ Track

60‧‧‧movable department

61‧‧‧Roller

61a‧‧‧Upper edge

61b‧‧‧ lower edge

61c‧‧‧Axis

Figure 1 is a perspective view of the childcare equipment of the present invention.

Fig. 2 is a perspective view showing the holding portion of the childcare device of Fig. 1 and the movable portion and the locking portion placed on the holding portion.

Fig. 3 is a perspective view showing a state in which the holding portion, the movable portion, and the lock portion of Fig. 2 are separated.

Fig. 4 is a top view of the holding portion, the movable portion, and the lock portion of Fig. 2 as viewed from above.

Fig. 5 is a front view of the holding portion, the movable portion, and the locking portion of Fig. 2 as seen from the X direction.

Fig. 6 is a right side view of the holding portion, the movable portion, and the locking portion of Fig. 2 as seen from the Y direction.

Fig. 7 is a cross-sectional view showing the positional relationship between the holding portion and the movable portion in Fig. 2 and viewed from the X direction.

Fig. 8 is a view showing the positional relationship between the holding portion and the movable portion of Fig. 2 and Cross-sectional view of the X direction.

Fig. 9 is a P-P arrow diagram of the holding portion and the movable portion of Fig. 7.

Fig. 10 is a cross-sectional view showing the positional relationship between the holding portion, the movable portion, and the lock portion in Fig. 2, as viewed from the X direction.

Fig. 11 is a cross-sectional view showing the positional relationship between the holding portion, the movable portion, and the lock portion of Fig. 2, as viewed from the X direction.

Fig. 12 is a cross-sectional view showing a holding portion of another structure of the childcare device of Fig. 1 and a movable portion placed on the holding portion.

Detailed description of the preferred embodiment

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Fig. 1 through Fig. 11 show an embodiment of a child care device comprising a baby stand or the like according to the present invention. 1 is a perspective view of the childcare device 10 of the present invention, and FIG. 2 is a perspective view showing the holding portion 20 of the childcare device 10 of FIG. 1 , the movable portion and the locking portion 40 placed on the holding portion 20, Fig. 3 is a perspective view showing a state in which the holding portion 20, the movable portion 30, and the lock portion 40 in Fig. 2 are separated. 4 is a top view of the holding portion 20, the movable portion 30, and the lock portion 40 of FIG. 2 viewed from above, and FIG. 5 is a view showing the holding portion 20, the movable portion 30, and the lock of FIG. 2 viewed from the X direction. The front view of the solid portion 40, and Fig. 6 is a right side view of the holding portion 20, the movable portion 30, and the lock portion 40 of Fig. 2 viewed from the Y direction.

As shown in Fig. 1, the childcare device 10 includes a child rearing device body portion 11, a foot portion 13 that is disposed below the childcare device body portion 11, and supports the childcare device body portion 11. The childcare device body portion 11 has a seat portion 11a, a back portion 11b extending upward from a rear end portion of the seat portion 11a, and a seat portion 11b. One of the sides of the portion 11a is opposite to the side plates 12, 12.

Moreover, the pair of armrests 11c and 11c are covered by the side plates 12 and 12 provided on both sides of the seat portion 11a of the childcare device main body portion 11, and the step ladder 11d is provided below the seat portion 11a. Further, a headrest 11e is provided on the upper portion of the back portion 11b, and the back portion 11b is configured to be tiltable rearward with respect to the seat portion 11a.

The leg portion 13 is for supporting the childcare device body portion 11, and the leg portion 13 is composed of a pair of left and right front legs 13a, 13a and rear legs 13b, 13b. As shown in Fig. 1, each of the front legs 13a and the rear legs 13b are connected to each other so as to be movable with each other, and the childcare equipment 10 is viewed from the side, and is arranged in an X shape. Further, as will be described later, the leg portion 13 supports the childcare device body portion 11 by the holding portion 20 and the movable portion 30.

Casters 13c and 13d are provided at the lower ends of the front legs 13a and 13a and the rear legs 13b and 13b, respectively. Each of the casters 13c and 13d has a stopper 13e, and the casters 13c and 13d are fixed by the descending of the stopper 13e. Further, by fixing the casters 13c and 13d, the entire leg portion 13 is fixed to the floor surface F.

Such a childcare device 10 can be used as a child's chair as shown in Fig. 1, and can be used as a baby bed by tilting the back 11b to the rear. Further, since the front legs 13a and the rear legs 13b are coupled to each other at the intermediate portions, the distance between the casters 13c of the front legs 13a and the casters 13d of the rear legs 13b can be increased, thereby reducing the position of the body part 11 of the childcare device. By reducing the distance between the casters 13c of the forefoot 13a and the casters 13d of the respective rear legs 13b, the position of the body part 11 of the childcare apparatus can be raised.

Further, the childcare device main body portion 11 of the childcare device 10 is supported by the leg portion 13 by the holding portion 20 and the movable portion 30 as described above, and is further provided in the holding portion 20 A locking portion 40 that fixes the position of the movable portion 30 with respect to the holding portion 20 is provided between the movable portions 30. At this time, as shown in FIGS. 1 to 6, the holding portion 20 is attached to the upper portion of the leg portion 13, and the movable portion 30 is attached to the lower portion of the seat portion 11a of the childcare device main body portion 11. Among these, the movable portion 30 moves left and right in the Y direction of the second figure on the holding portion 20. Hereinafter, the holding portion 20, the movable portion 30, and the lock portion 40 will be described in detail.

7 to 11 show details of the holding portion 20, the movable portion 30, and the lock portion 40. 7 and 8 are cross-sectional views showing the positional relationship between the holding portion 20 and the movable portion 30 in Fig. 2 and viewed from the X direction, and Fig. 9 is a holding portion 20 and a movable portion 30 of Fig. 7 PP arrow diagram. Further, Fig. 10 and Fig. 11 are cross-sectional views showing the positional relationship between the holding portion 20, the movable portion 30, and the lock portion 40 in Fig. 2, as viewed from the X direction.

The holding portion 20 attached to the side of the leg portion 13 has a substantially square or slightly rectangular flat plate shape as shown in Figs. 2 and 3, and a support member 22 is attached above the four corners, and each support member 22 is formed by a pair of plates. The members 22a and 22a are formed. Further, the roller 21 is rotatably attached between one of the support members 22 to the plate-like members 22a and 22a by a shaft 21c having an X-direction as an axis in the second drawing.

On the other hand, as shown in FIGS. 2 and 3, the movable portion 30 attached to the seat portion 11a side of the childcare device main body portion 11 has a substantially square or slightly rectangular flat plate shape having a size almost the same as that of the holding portion 20. The center of the movable portion 30 forms a hollow portion 30a which is slightly square or slightly rectangular. In the movable portion 30, four rails 31 having the same shape curved in the direction of the second drawing X are formed at positions corresponding to the four corners of the rollers 21 of the holding portion 20. Specifically, as shown in FIG. 6, each of the rails 31 is formed to extend inward from the side edge of the movable portion 30. The movable portion 30 is placed on the holding portion 20, and the movable portion 30 is made 4 Each of the tracks 31 of the corners contacts the respective rollers 21 of the four corners of the holding portion 20. At this time, the movable portion 30 is in a state of being approximately parallel with respect to the holding portion 20.

Further, as shown in Fig. 9, the upper edge 21a and the lower edge 21b of the roller 21 which intersects the direction in which the movable portion 30 reciprocates perpendicularly (the Y direction in Fig. 2) are convexly curved outwardly. Further, the shape of the rail 31 in the direction perpendicular to the direction in which the reciprocating direction of the movable portion 30 intersects has a curved shape which is convex upward. Further, a gap g is provided between the roller 21 and one of the support members 22 located on both sides of the roller 21 between the plate-like members 22a and 22a. Here, the bending radius R _B of the cross section of the rail 31 shown in Fig. 9 is larger than the bending radius R _{A of the} upper edge 21a and the lower edge 21b of the cross section of the roller 21. Thereby, the roller 21 and the rail 31 are in contact with the point P in the cross-sectional view shown in Fig. 9, and the frictional force acting between the roller 21 and the rail 31 can be reduced. Then, when the movable portion 30 is in the axial direction of the shaft 21c of the roller 21 with respect to the holding portion 20 (the left-right direction of FIG. 9), the load weight applied to the movable portion 30 by the child-care device main body portion 11 is on the rail 31. Under the downward force, the roller 21 rotates to move the movable portion 30, and the roller 21 contacts the concave portion of the center of the rail 31. Thereby, in the cross section perpendicular to the direction in which the movable portion 30 reciprocates (the Y direction in FIG. 2), the position of the roller 21 can be constantly maintained at the concave portion of the center of the rail 31 (refer to 9 map).

As shown in Fig. 5, in the movable portion 30, a roller stop portion 33 composed of a cushioning member 33a such as rubber is provided below the end portion 31a of the rail 31 in the longitudinal direction. Specifically, as shown in FIG. 5, in the two rails 31 and 31 in which the reciprocating direction of the movable portion 30 (the left-right direction in FIG. 5) is arranged in parallel, the roller stop portion of one of the rails 31 is provided. 33 and roll on another track 31 The sub-stop portion 33 is disposed in the vicinity of the central portion of the movable portion 30 in the respective rails 31 and 31. When the movable portion 30 moves in the left-right direction with respect to the holding portion 20 in the fifth drawing, and the roller 21 approaches the portion near the end portion 31a of the rail 31, the roller stopping portion 33 abuts against the roller 21, and the restriction is made. The position of the movable portion 30 with respect to the holding portion 20. Further, since the roller stopping portion 33 is constituted by the cushioning member 33a such as rubber, the impact when the roller stopping portion 33 hits the roller 21 can be alleviated. Further, an example in which the roller stop portion 33 composed of the cushioning member 33a is provided at one end of the rail 31 is shown, and the roller stop portion 33 may be provided not only at one end of the rail 31 but also at both ends.

Further, the hollow portion 30a at the center of the movable portion 30 is provided with two engaged members 32 which are formed by a rod-like body extending in the X direction of Fig. 2 and which are parallel to each other. The both ends of each of the engaged members 32 are attached to the inner side surface of the hollow portion 30a at the center of each movable portion 30, and each of the engaged members 32 is disposed to be symmetrical with respect to the center vertical plane of the movable portion 30 in the X-axis direction.

The lock portion 40 that fixes the movable portion 30 with respect to the holding portion 20 is placed on the holding portion 20 as shown in Figs. 2, 3, 10, and 11 and is engaged with the movable portion 30. The member 32 is engaged with the four engaging members 41 that lift the engaged member 32, and the operating lever 42 that performs the operations of the engaging members 41 is coupled between the engaging members 41 and the operating lever 42. Two link mechanisms 45. Fig. 10 is a cross-sectional view showing the state before the engaging member 41 of the locking portion 40 is engaged with the engaging member 32 of the movable portion 30 and viewed from the X direction, and Fig. 11 shows the engagement of the locking portion 40. A cross-sectional view of the member 41 that is engaged with the engaged member 32 of the movable portion 30 and lifted up and viewed from the X direction.

Each of the engaging members 41 is provided along the holding portion 20 as shown in FIG. 2 . The engaging member guide groove 26 is movable in the vertical direction in the vertical direction, and is provided at a position corresponding to each of the engaged members 32 of the hollow portion 30a provided at the center of the movable portion 30. As shown in FIGS. 10 and 11 , each of the engaging members 41 has a concave portion 41 a formed of a curved surface corresponding to the shape of the rod-shaped body of the engaged member 32 , and can be easily engaged with the engaged member 32 .

As shown in FIGS. 10 and 11, the link mechanisms 45 connecting the respective engaging members 41 and the operating lever 42 have a level that extends across the pair of engaging members 41 and slides on the holding portion 20. The direction moving member 47 and the one end 48a are rotatably coupled to the two coupling members 48 of the horizontal direction moving member 47. At this time, each of the coupling members 48 is provided corresponding to each of the engaging members 41. The other end 48b of each of the connecting members 48 of the link mechanism 45 is rotatably coupled to the engaging member 41 guided along the groove portion 26a of the engaging member guiding rail 26. Further, the end portion of the horizontal direction moving member 47 of the link mechanism 45 is coupled to the operating lever 42. The lever is in an easily operable shape and is moved by the operator in the front-rear direction (the left and right direction of Fig. 10).

In the state in which the engaging member 41 of the lock portion 40 shown in FIG. 10 is engaged with the engaged member 32 of the movable portion 30, in the pressing direction of the operating lever 42 (the left-right direction in FIG. 10), One end 48a of the connecting member 48 attached to the horizontal moving member 47 is located on the front side (the right side of FIG. 10) than the other end 48b, and the angle formed by the straight line connecting one end 48a of the connecting member 48 to the other end 48b is formed with respect to the horizontal plane. 45 degree. In this state, the horizontal direction moving member 47 restricts its movement by the holding portion 20, so that the horizontal direction moving member 47 does not slide to the front side (the right side of Fig. 10).

On the other hand, the engaging member of the locking portion 40 shown in Fig. 11 When the engaging portion 32 of the movable portion 30 is engaged with the engaging member 32 and lifted up, the operating lever 42 is pressed to the rear direction in the pressing direction of the operating lever 42 (the left-right direction of FIG. 11) (11th) The left direction of the figure) moves the horizontal moving member 47 to the rear side. Then, one end 48a of the connecting member 48 attached to the horizontal moving member 47 is located on the rear side (the left side of FIG. 10) than the other end 48b, and a straight line connecting the one end 48a of the connecting member 48 to the other end 48b is formed with respect to the horizontal plane. The angle A is slightly greater than 90 degrees, for example 100 degrees. In this state, the horizontal direction moving member 47 restricts its movement by the holding portion 20, so that the horizontal direction moving member 47 does not slide to the rear side (the left side of Fig. 10).

Next, the operation of this embodiment configured as above will be described.

First, an operation of reciprocating the movable portion 30 attached to the seat portion 11a side of the childcare device main body portion 11 on the holding portion 20 attached to the leg portion 13 side will be described below. In a state where the movable portion 30 is stationary with respect to the holding portion 20, as shown in Fig. 7, the load applied to the movable portion 30 by the childcare device main body portion 11 acts on the downward force of the rail 31, since the movable portion 30 The entire portion is lowered, so that the roller 21 of the holding portion 20 contacts the concave portion of the center of the curved rail 31.

At this time, when the operator moves the childcare device main body portion 11 including the seat portion 11a and the back portion 11b of the childcare device 10 in the front-rear direction, the movable portion 30 moves in the Y direction of the second figure with respect to the holding portion 20, and the roller 21 Rotation causes the track 31 to move over 21, and as shown in Fig. 8, the end 31a of the track 31 reaches the vicinity of the roller 21. At this time, the movable portion 30 slightly rises relative to the holding portion 20.

In the state shown in Fig. 8, when the childcare device body portion 11 including the seat portion 11a and the back portion 11b of the childcare device 10 is liberated, the child care device is borrowed. The material body portion 11 is applied to the loading weight of the movable portion 30, and the downward force of the rail 31 acts, and the roller 21 rotates to move the rail 31 on the roller 21. At this time, the movable portion 30 is lowered relative to the holding portion 20 by the weight from the body part 11 of the childcare device, and thereafter, the movable portion 30 is again raised by the inertia of the movable portion 30 against the holding portion 20. The movable portion 30 reciprocates in the approximately horizontal direction on the holding portion 20 while being repeatedly lowered and raised with respect to the holding portion 20.

Next, the operation of fixing the position of the movable portion 30 with respect to the holding portion 20 will be described below. When the position of the movable portion 30 is not fixed and the movable portion 30 reciprocates relative to the holding portion 20, as shown in Fig. 10, the engaging member 41 of the locking portion 40 is closer to the engaged member 32 of the movable portion 30. The status of the location below.

In the state shown in FIG. 10, when the operator presses the operation lever 42 to the rear direction (the left direction of FIG. 10), the horizontal moving member 47 of the link mechanism 45 slides on the holding portion 20 to the tenth figure. The left direction. Here, one end of the connecting member 48 of the link mechanism 45 is coupled to the horizontal moving member 47 to be movable in the horizontal direction, the other end 48b is coupled to the engaging member 41, and the groove portion 26a of the guiding member 26 along the engaging member is vertically aligned. The direction moves freely. Therefore, when the horizontal direction moving member 47 slides to the left direction on the holding portion 20, one end 48a of the coupling member 48 that is rotatably attached to the horizontal direction moving member 47 is moved to the left direction. At this time, the other end 48b is not movable in the left-right direction by being coupled to the engaging member 41, and the connecting member 48 is tilted with respect to the holding portion 20 as shown in Fig. 11, and the other end 48b is erected. As a result, the other member 48 is attached. One end 48b moves to the top. Thereby, the engaging member 41 that is rotatably attached to the other end 48b of the coupling member 48 guides the rail 26 along the engaging member. The groove portion 26a is lifted up to the vertical direction. As shown in Fig. 11, the engaging member 41 is engaged with the engaged member 32, and the engaging member 41 lifts the engaged member 32. At this time, the rail 31 of the movable portion 30 is separated from the roller 21 of the holding portion 20, and the position of the movable portion 30 is fixed by the engaging member 41 and the engaged member 32.

Here, before the engaging member 41 of the lock portion 40 lifts the engaged member 32 of the movable portion 30, one end 48a of the connecting member 48 that is rotatably attached to the horizontal moving member 47 moves in the horizontal direction. The sliding of the holding portion 20 of the member 47 moves between a position on the front side of the other end 48b in the pressing direction of the operation lever 42 (see Fig. 10) and a position slightly rearward on the other end 48b (see Fig. 11). Assuming that the engaging member 41 of the locking portion 40 lifts the engaged member 32 of the movable portion 30, one end 48a of the connecting member 48 can be moved only to the front side of the other end 48b of the pressing direction of the operating lever 42 ( The situation on the right side of Figure 11). At this time, when the engaging member 42 is lifted up by the engaging member 32, when the hand is released from the operating lever 42, the other end 48b of the connecting member 48 is pressed by the loading weight applied to the movable portion 30. The force of the lower side acts such that one end 48a of the connecting member 48 is located on the front side (the right side of FIG. 11) than the other end 48b, so that the one end 48a is pressed to the force in the front direction (the right direction of FIG. 11), so that The horizontal direction moving member 47 is forcibly slid to the front direction (the right direction of FIG. 11), and returns to the state before the engaging member 41 and the engaged member 32 are engaged.

However, in the present embodiment, in a state in which the engaging member 41 is engaged with the engaged member 32 and lifted up, as shown in FIG. 11, the one end 48a of the connecting member 48 is pressed in the operating lever 42. Upper, 48b than the other end Since it is located on the rear side (the left side of FIG. 11), even after the engaging member 41 lifts the engaged member 32, the load applied to the movable portion 30 becomes the opposite end 48a even after the hand is released from the operating lever 42. When the force in the rearward direction (the left direction of FIG. 11) is pressed, the horizontal moving member 47 does not forcibly slide to the front direction (the right direction of FIG. 11), and the engaging member 41 can be held up after the engaging member 32 is lifted. State.

According to the present invention, as described above, the holding portion 20 attached to the leg portion 13 has the roller 21 that is rotatable upward, and the movable portion 30 attached to the seat portion 11a of the childcare device body portion 11 has the roller that contacts the holding portion 20. 21, and the downward curved track 31, the movable portion 30 is reciprocally movable on the holding portion 20. In this way, since the surface of the rail 31 of the movable portion 30 is downward, dust such as dust is not accumulated on the rail 31. Therefore, the movable portion 30 can smoothly move on the holding portion 20, so that generation of noise can be suppressed.

Further, the upper edge 21a and the lower edge 21b of the cross section of the roller 21 which intersects the direction in which the movable portion 30 is perpendicularly intersected have a convex curved shape, and the cross section of the rail 31 in the direction perpendicular to the moving direction of the movable portion 30 has an upper portion. It has a convex curved shape. Accordingly, when the movable portion reciprocates on the holding portion 20, the movable portion 30 can be prevented from moving in the axial direction of the roller 21. Therefore, the movable portion 30 can be prevented from colliding with a portion of the holding portion 20, and noise can be suppressed. Produced.

Further, the movable portion 30 is provided with a roller stop portion 33 having a cushioning member 33a at one end or both ends of the rail 31 and abutting the roller 21 to restrict the movement of the roller 21 to the rail 31. Thereby, since the movable portion 30 reciprocates on the holding portion 20, the roller 21 can be relaxed against the movable portion 30. Since the length of the track 31 is near the end 31a, noise generation can be suppressed.

Further, the roller 21 is provided with a plurality of plural, and the track 31 is provided in plural at positions corresponding to the respective rollers 21. Thereby, the movable portion 30 can reciprocate more stably on the holding portion 20.

In the childcare device 10, the movable portion 30 is reciprocally mounted on the holding portion 20 in a substantially horizontal direction, and is disposed under the body part 10 of the childcare device, and has the engaged member 32 at the bottom, and locks. The fixing portion 40 is provided on the holding portion 20, and the locking portion 40 has an engaging member 41 that engages with the engaged member 32 to lift the engaged member, the operating lever 42 and the engaging member 41. A link mechanism 45 with the operating lever 42. By the horizontal movement of the operating lever 42, the engaging member 41 is moved in the vertical direction by the link mechanism 45. With this, in a state where the movable portion 30 is stopped, a gap is provided between the holding portion 20 and the movable portion 30 to lock the movable portion 30 with respect to the holding portion 20, whereby the movable portion 30 can be prevented from being stopped when the movable portion 30 is stopped. The loading weight is directly applied to the holding portion 20, and the childcare device that does not move the movable portion 30 without the operator's intention.

Further, the link mechanism 45 has a horizontal direction moving member 47 that slides on the holding portion 20 and a coupling member 48 that is rotatably coupled to the horizontal direction moving member 47. The connecting member 48 of the link mechanism 45 is rotatably coupled to The engaging member 41 is simultaneously coupled to the operating lever 42 in the horizontal direction moving member 47. Thereby, the force acting in the horizontal direction of the operation lever 42 can be converted into the force in the vertical direction of the engaging member 41 by the horizontal direction moving member 47 and the coupling member 48.

Moreover, a plurality of engaged members 32 are provided in the movable portion 30 for locking The portion 40 is provided with a plurality of engaging members 41, and each of the engaging members 41 is provided at a position corresponding to each of the engaged members 32. Thereby, the lock portion 40 can more stably fix the movable portion 30 to the upper side in the vertical direction.

Moreover, the engaging member guide rail 26 is provided in the holding portion 20 so as to extend in the vertical direction and guide the engaging member 41 to move in the vertical direction. Thereby, the engaging member 41 can be moved more stably in the vertical direction.

Further, the engaged member 32 of the movable portion 30 has a rod shape, and the engaging member 41 has a concave portion 41a corresponding to the shape of the engaged member 32. Thereby, since the engaging member 41 can be easily and stably engaged with the engaged member 32, the locking portion 40 can more stably lift the movable portion 30 upward in the vertical direction.

The childcare device 10 of the present invention is not limited to the above aspect, and various modifications can be added.

In the modification of the present invention, the upper edge 21a and the lower edge 21b of the cross section of the roller 21 perpendicular to the moving direction of the movable portion 30 may have a convex curved shape and a track perpendicular to the moving direction of the movable portion 30. The section of 31 has a childcare device 10 having a convex V shape (not shown). The action of the modification of the embodiment configured as follows will be described below.

When the movable portion 30 is placed on the holding portion 20 and the rail 31 is mounted on the roller 21, the roller 21 and the rail 31 are in a cross section perpendicular to the moving direction of the movable portion 30, and are opposed to each other through the rail 31. The center line of the V-shaped apex is in symmetrical 2 point contact, and the friction between the roller 21 and the track 31 can be reduced. Then, when the movable portion 30 moves in the axial direction of the shaft 21c of the roller 21, the load applied to the movable portion 30 by the childcare device body portion 11 is heavy. The amount acts on the downward force of the rail 31 to move the movable portion 30 so that the roller 21 is located at the concave portion of the V-shape of the rail 31. Thereby, the position of the roller 21 of the cross section in the direction perpendicular to the reciprocating direction of the movable portion 30 can be maintained at the V-shaped concave portion of the rail 31.

Thereby, the cross section of the rail 31 in the direction perpendicular to the moving direction of the movable portion 30 is convexly curved upward, and similarly, when the movable portion 30 reciprocates on the holding portion 20, the movable portion 30 is suppressed. The roller 21 moves in the axial direction, whereby the movable portion 30 can be prevented from colliding with a part of the holding portion 20, and generation of noise can be suppressed.

Further, another modification of the present invention will be described using Fig. 12 . Fig. 12 is a cross-sectional view showing the holding portion 50 of another configuration of the childcare device 10 and the movable portion 60 placed on the holding portion 50. In the childcare device 10 of this modification, the difference is that only the holding portion 50 has the rail 51 instead of the roller 21, and the movable portion 60 has the roller 61 instead of the rail 31, and the other embodiments are similar to those of the first to eleventh drawings. the same. Specifically, the holding portion 50 provided on the side of the leg portion 13 has a curved rail 51 for supporting the movable portion 60 of the childcare device main body portion 11 having the seat portion 11a and the back portion 11b and the rail 51 having the holding portion 50 below. The roller 61 that reciprocates and rotates freely. Further, the upper edge 61a and the lower edge member 61b of the cross section of the roller 61 which intersects the direction in which the movable portion 60 is perpendicularly intersected have a convex curved shape, and a section of the rail 51 which intersects the moving direction of the movable portion 60 in a direction perpendicularly intersecting It has a curved shape with a convex shape below. Next, the action of the modification of the embodiment configured by the above configuration will be described below.

In a state where the movable portion 60 is stationary with respect to the holding portion 50, the load applied to the movable portion 60 exerts a downward force on the roller 61, and The roller 61 of the movable portion 60 is brought into contact with the concave portion of the center of the curved portion 51 of the holding portion 50.

Next, when the operator moves the childcare device main body portion 11 including the seat portion 11a and the back portion 11b of the childcare device 10 in the front-rear direction, the roller 61 of the movable portion 60 reciprocates on the rail 51 of the holding portion 50. At this time, the roller 61 and the rail 51 are in contact with each other in the cross-sectional view shown in Fig. 11, and the frictional force acting between the roller 61 and the rail 51 can be reduced. Then, when the movable portion 60 moves to the axial direction of the shaft 61c of the roller 61 (the left-right direction of FIG. 11), the load weight applied to the movable portion 60 by the child-care device main body portion 11 is lowered to the roller 61. The force acts to move the movable portion 60 so that the roller 61 contacts the concave portion of the center of the rail 51. Thereby, the position of the roller 61 of the cross section in the direction perpendicular to the reciprocating direction of the movable portion 60 can be maintained at the concave portion in the center of the rail 51.

According to the childcare device 10 of the modification, when the movable portion 60 reciprocates on the holding portion 50, the movable portion 60 can be prevented from moving in the axial direction of the roller 61. Therefore, the movable portion 60 and the holding portion 50 can be prevented. A part of the impact can suppress the generation of noise.

20‧‧‧ Keeping Department

21‧‧‧Roller

21a‧‧‧Upper edge

30‧‧‧movable department

31‧‧‧ Track

31a‧‧‧End

33‧‧‧Roller stop

33a‧‧‧ cushioning members

Claims (7)

The childcare device comprises: a body part of the childcare device, having a seat and a back; a foot for supporting the body part of the childcare device; a holding part disposed above the foot; and a movable part placed on the holding part and The movable portion is reciprocally movable on the holding portion, and the movable portion has a plurality of tracks. When the plurality of tracks are viewed from a direction perpendicular to a moving direction of the movable portion, the upward direction is upward. Protruding and bending, the holding portion has a plurality of rollers that are in contact with the rail and rotatable along the rail, and are arranged away from the moving portion in a direction perpendicular to a direction perpendicular to the moving direction of the movable portion. Two groups are set, and one roller is arranged in each track. The childcare device comprises: a body part of the childcare device, having a seat and a back; a foot for supporting the body part of the childcare device; a holding part disposed above the foot; and a movable part placed on the holding part and The utility model is disposed under the body part of the childcare device, and the movable portion can reciprocate on the holding portion. Further, the holding portion has a plurality of orbits, and the plurality of orbits are curved toward the lower side when viewed from a direction perpendicular to the moving direction of the movable portion, and the movable portion has a rotation that is disposed on the rail and can be rolled along the rail. The plurality of rollers are freely disposed in a direction away from the direction perpendicular to the moving direction of the movable portion, and the pair of tracks are disposed away from the moving direction of the movable portion, and two rollers are disposed on each of the tracks. The childcare device of claim 2, wherein four grooves each having a corresponding one of the rollers are formed in the holding portion, and each of the tracks is formed by a bottom surface of each of the corresponding grooves. The childcare device of claim 2, wherein four grooves each having a corresponding one of the rollers are formed in the holding portion, and each groove has a bottom surface forming a corresponding one of the tracks, and a direction perpendicularly intersecting the moving direction of the movable portion The side surface of the bottom surface is connected to the side surface of the groove, and the side surface of the groove is formed in a direction perpendicular to the moving direction of the movable portion. The childcare device of claim 2, wherein four grooves each having a corresponding one of the rollers are formed in the holding portion, each groove having a bottom surface forming a corresponding one of the rails, and a restricting surface connected to the bottom surface from a moving direction of the movable portion The restricted surface of the groove is divided into a range in which the roller can move on the track. The childcare device of claim 2, wherein four grooves each configured with a corresponding one of the rollers are formed in the holding portion, Each of the grooves has a bottom surface that forms a corresponding one of the rails, and a restricting surface that is respectively connected to both end portions of the bottom surface along the moving direction of the movable portion, and one of the grooves is defined as a range in which the restricting surface is divided into a roller that can move on the rail. The parenting device of claim 2, wherein each of the rollers is supported by a support member on both sides of the roller via a shaft, and a gap is provided between the support member and the roller.