TWI677448B - Baby carriage connecting device - Google Patents

Abstract

The device includes: a front connecting member for connecting the front feet of two strollers to each other; a rear connecting member for connecting the rear feet of two strollers to each other; an upper connecting member for connecting two babies The cart frames of the car are connected to each other; the first link member has one end fixed to the front connecting member; the second link member has one end fixed to the rear connecting member and is rotatably connected to the first link The other end of the member; the third link member has one end that is rotatably connected to each of the other ends of the first link member and the second link member; and the fourth link member that has free rotation The ground is connected to one end of the other end of the third link member and fixed to the other end of the upper link member. Two strollers can be firmly connected and can be switched from the unfolded state to the folded state.

Description

Baby carriage connecting device

The present invention relates to a baby carriage coupling device for connecting two baby carriages in a horizontal arrangement.

Previously, as twin strollers, there were two types of infants traveling side by side or two infants traveling side by side. The twin stroller is a one-piece body with two baby seats. Therefore, even in the case of an infant, it is not possible to use only one person.

In addition, in the case of a one-year-old baby, if the baby carriage purchased for the first baby and the baby carriage purchased for the second baby can be connected as needed, such as a twin stroller It is more convenient to use.

However, in order to connect and use two baby carriages for one person, it is necessary to sufficiently secure the connection strength. In addition, in a state in which two one-person strollers are connected, it is desired to facilitate the storage of switching from the unfolded state to the folded state when not in use.

The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to provide a stroller coupling device capable of firmly connecting two strollers and switching the two strollers in a connected state from an unfolded state to a folded state.

In order to solve the above problems, a first aspect of the present invention is a stroller connecting device, It is used for connecting two baby carriages in a horizontal arrangement; it is characterized by comprising: a front connecting member for connecting the front feet of the two baby carriages to each other; and a rear connecting member for connecting the two baby carriages. The baby's rear foot is connected to each other; the upper connecting member is used to connect the two stroller racks to each other; the first link member has one end fixed to one of the front connecting members; the second link member , Which has one end fixed to the rear connecting member, and the other end which is rotatably connected to the other end of the first link member; and a third link member, which is rotatably connected to the first link member And one end of each other end of the second link member; and a fourth link member having one end rotatably connected to the other end of the third link member and the other end fixed to the upper link member .

The second aspect of the present invention is the first aspect, in which the first link member, the second link member, and the third coupling are connected in a lateral view when the baby stroller is mounted on the stroller. The central joints that are freely connected to the other ends of the lever members are substantially the same as the joints that are freely connected to the upper ends of the front and rear legs of the stroller.

The third aspect of the present invention is the first aspect or the second aspect, wherein the third link member and the fourth link member can be rotated freely when viewed from a lateral direction in a state of being mounted on the stroller The ground joint is substantially the same as the joint portion that rotatably connects the handrail of the stroller to the trolley frame.

The fourth aspect of the present invention is any one of the first to third aspects, wherein the first link member, the second link member, the third link member, and the fourth link member At least one of them has an article storage portion.

The fifth aspect of the present invention is any one of the first to fourth aspects, wherein the left and right ends of the front connecting member are provided with a front part of the front foot that is releasably connected to the two strollers. And the left and right ends of the rear connecting member are provided with the rear foot rear fasteners releasably connected to the two strollers; and connected to the upper portion The left and right ends of the component are provided with upper holders of the stroller frame releasably connected to the two strollers.

A sixth aspect of the present invention is the fifth aspect, wherein at least one of the front leg, the rear leg, and the stroller frame of the stroller has a non-circular cross-sectional shape, and the front holder and the rear portion At least one of the anchor and the upper anchor has a fixing surface that matches the non-circular cross-sectional shape.

The seventh aspect of the present invention is any one of the first to sixth aspects, wherein the device is in a folded state since the first link member and the third link member are pulled to the second link member side. When the device is switched to the unfolded state when the device is installed in the unfolded state, the rotation is provided in a manner that the angle between the first link member and the third link member is restricted in the unfolded state of the device Restricted institutions.

According to the present invention, it is possible to provide a baby carriage coupling device capable of firmly connecting two baby carriages and switching the two baby carriages in a connected state from a deployed state to a folded state.

1‧‧‧Baby stroller connecting device

2‧‧‧Front connecting member

3‧‧‧ rear connecting member

4‧‧‧ Upper connecting member

5‧‧‧The first link member

6‧‧‧The second link member

7‧‧‧3rd link member

8‧‧‧ 4th link member

9‧‧‧ central axis of rotation

10‧‧‧upper axis of rotation

11‧‧‧ Central Joint

12‧‧‧upper joint

13‧‧‧rotation restriction mechanism

14‧‧‧ article storage department

15‧‧‧Front retainer

16‧‧‧ rear anchor

17‧‧‧ Upper holder

18‧‧‧ opening and closing film

19‧‧‧ buckle

20‧‧‧ Projection on the side of the stopper

21‧‧‧ Projection on the side of the connecting member

30‧‧‧Fixer, baby carriage connecting device

31‧‧‧ retainer

32‧‧‧ retainer

33‧‧‧ retainer

34‧‧‧ retainer

35‧‧‧ retainer

36‧‧‧ retainer

50‧‧‧ stroller

51‧‧‧body

52‧‧‧seats

53‧‧‧ cover

54‧‧‧ basket

55‧‧‧Frame Department

56‧‧‧ front wheel

57‧‧‧ rear wheel

58‧‧‧ Forefoot

59‧‧‧ hind feet

60‧‧‧Handrail

61‧‧‧ Trolley stand

62‧‧‧stage

63‧‧‧ Rear cross member

64‧‧‧foot mounting section

65‧‧‧ Fulcrum pin

66‧‧‧Handlebar

66a‧‧‧Bend

66b‧‧‧Upper pole

66c‧‧‧ Lower pole

67‧‧‧Grip lever

68‧‧‧ Upper bracket

69‧‧‧ Upper pin

70‧‧‧Front linkage (front linkage)

71‧‧‧Rear linkage (rear linkage)

72‧‧‧ lower pin

73‧‧‧ front link pin

74‧‧‧ rear link pin

75‧‧‧Lower bracket

76‧‧‧Opening and closing locking mechanism

FIG. 1 is a perspective view showing a stroller coupling device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where the baby carriage connecting device shown in FIG. 1 is mounted on a baby carriage (only a part of which is shown) in an expanded state.

FIG. 3 is a perspective view showing a state where the stroller connecting device shown in FIG. 1 is mounted on a stroller (only a part of which is shown) in a folded state.

FIG. 4 is a front view schematically showing a state in which two baby carriages are horizontally connected by the baby carriage connection device shown in FIG. 1.

FIG. 5 is a perspective view showing a link structure of the stroller coupling device shown in FIG. 1 in an expanded state.

FIG. 6 shows the structure of the connecting rod of the stroller coupling device shown in FIG. 1 in an unfolded state. Side view.

Fig. 7 is a side view showing a link structure of the stroller coupling device shown in Fig. 1 in a folded state.

FIG. 8 is a diagram for explaining a structure of a holder of the stroller coupling device shown in FIG. 1. FIG.

FIG. 9 is a side view showing a connecting rod structure in a state where the baby carriage coupling device shown in FIG. 1 is mounted on the baby carriage in an unfolded state.

Fig. 10 is a side view showing a link structure in a state where the stroller coupling device shown in Fig. 1 is mounted on the stroller in a folded state.

Fig. 11 is a perspective view showing a stroller coupling device according to another embodiment of the present invention.

Fig. 12 is a side view of the stroller coupling device shown in Fig. 11 viewed from the side.

FIG. 13 is a perspective view showing the stroller coupling device shown in FIG. 11 in a folded state.

FIG. 14 is a perspective view showing a state where the stroller connecting device shown in FIG. 11 is mounted on a stroller (only a part of which is shown) in an expanded state.

FIG. 15 is a perspective view showing a state where the stroller coupling device shown in FIG. 11 is mounted on a stroller (only a part of which is shown) in a folded state.

Fig. 16 is a perspective view showing an example of a baby carriage connected using the baby carriage connection device shown in Figs. 1 and 11.

FIG. 17 is a perspective view showing a body structure of the stroller shown in FIG. 16.

FIG. 18 is a side view showing a link structure of the stroller shown in FIG. 16 in an expanded state.

FIG. 19 is a side view showing a link structure of the stroller shown in FIG. 16 in a folded state.

Fig. 20 is a diagram showing another example of the fixing device of the stroller coupling device.

Fig. 21 is a view showing another example of the fixing device of the stroller coupling device.

Fig. 22 is a view showing another example of the fixture of the stroller coupling device.

Fig. 23 is a view showing another example of the fixing device of the stroller coupling device.

Fig. 24 is a view showing another example of the fixing device of the stroller coupling device.

Fig. 25 is a diagram showing another example of the fixture of the stroller coupling device.

Fig. 26 is a view showing another example of the fixture of the stroller coupling device.

Hereinafter, a baby carriage coupling device according to an embodiment of the present invention will be described with reference to the drawings.

First, an example of two baby carriages connected horizontally using the baby carriage connection device of this embodiment will be described with reference to FIGS. 16 to 19.

In addition, the stroller connected using the stroller coupling device of this embodiment can be shown in the unfolded state (when used) in the link structure shown in FIG. 18 and in the folded state (when stored) in the link structure shown in FIG. 19. Between changes. The structure of the stroller will be described below with a focus on the expanded state.

As shown in FIG. 16, the stroller 50 includes a vehicle body 51, a seat 52 supported by the vehicle body 51, a cover 53 disposed above the seat 52, and a basket 54 disposed below the seat 52.

As shown in FIG. 17, the vehicle body 51 includes a frame portion 55 and front frame 56 and rear wheel 57 that support the frame portion 55 to move freely. The frame portion 55 is a portion constituting a frame structure of the vehicle body 51. That is, the frame portion 55 includes a pair of front legs 58 disposed on both sides of the stroller 50 (body 51) in the left-right direction (width direction); a pair of rear legs 59 and a pair of armrests 60; a single trolley frame 61, It is configured by connecting the left and right handrails 60; as a step portion 62 that connects the lower portions of the left and right front feet 58 to each other; The front wheel 56 is disposed below the front leg 58 and the rear leg 57 is disposed below the rear leg 59.

On one side in the left-right direction of the vehicle body 51, the upper end portion of each of the front foot 58 and the rear foot 59 and the foot mounting portion 64 of the lower end of the armrest 60 are rotatably connected to each other via a fulcrum pin 65. The same applies to the other side of the vehicle body 51.

The trolley stand 61 includes a pair of left and right handle bars 66 and a grip bar 67 that extends to connect the upper portions of the handle bars 66. Each of the handle bars 66 has a shape that can be distinguished from two parts of the upper lever portion 66b and the lower lever portion 66c by a curved portion 66a in the middle. However, the upper rod portion 66b and the lower rod portion 66c are integrally formed by bending and forming a single metal pipe.

The upper bracket 68 is fixed to the lower pole portion 66c via a rivet so as not to be movable. An upper end portion of the armrest 60 is attached to the upper bracket 68 via an upper pin 69. With this, the armrest 60 and the handle bar 66 of the trolley frame 61 are rotatable with each other by the upper pin 69 as a fulcrum.

The lower end of the lower lever portion 66c of the handle lever 66 is rotatably connected to the rear end of the front link lever (front link member) 70 through the lower pin 72 and the front end of the rear link lever (rear link member) 71. unit. The front end of the front link lever 70 is rotatably connected to the front leg 58 via a front link pin 73. The rear end of the rear link lever 71 is rotatably connected to the rear leg 59 via a rear link pin 74.

Further, a lower bracket 75 is fixed to the rear leg 59. When the stroller 50 is in the unfolded state, the lower end of the handle bar 66 abuts against the lower bracket 75 and is supported by the rear foot 59 in the up-down direction. An opening and closing lock mechanism 76 is provided around the lower pin 72 to restrict the stroller 50 to the unfolded state and the folded state. The lower bracket 75 may be formed integrally with the rear leg 59.

The front foot 58, the rear foot 59, the armrest 60, the handle bar 66, the front link 70 and the rear link 71 are respectively connected to the left and right of the frame portion 55 of the vehicle body 51 to form a link mechanism. The structure of the left and right link mechanisms is the same. The restriction of the vehicle body 51 is released by the opening / closing locking mechanism 76, and the constituent parts of the link mechanism are rotated around the connection points of each of them, thereby changing the stroller 50 between the unfolded state and the folded state.

When the stroller 50 in the expanded state is viewed from the left and right directions of the vehicle body 51, the lever portion 66b above the handlebar 66, the armrest 60, and the front foot 58 are aligned in a straight line.

Next, a baby carriage coupling device according to this embodiment will be described with reference to the drawings.

As shown in FIGS. 1 to 3, the baby carriage connecting device 1 of this embodiment includes a front connecting member 2 for connecting the front feet 58 of two baby carriages 50 to each other, and a rear foot of the two baby carriages 50. 59 connects the rear connecting member 3 to each other; and the upper connecting member 4 connects the stroller frames 61 of the two strollers 50 to each other. The front connection member 2, the rear connection member 3, and the upper connection member 4 are substantially rod-shaped members extending in the left-right direction and have a common length with each other.

The stroller coupling device 1 further includes a first link member 5, a second link member 6, and a third link member 7 for connecting the front link member 2, the rear link member 3, and the upper link member 4 to each other. 、 和 四 连接 杆 机构 8。 8 and the fourth link member 8.

One end of the first link member 5 is fixed to the center portion in the left-right direction of the front link member 2, and one end of the second link member 6 is fixed to the center portion in the left-right direction of the rear link member 3. The other end of the first link member 5 is rotatable around a central rotation axis 9 extending in the left-right direction, and is connected to the other end of the second link member 6.

One end of the third link member 7 is rotatably connected to the other end of the first link member 5 and the second link member 6 about the central rotation axis 9. One end of the fourth link member 8 is connected to the other end of the third link member 7 so as to be rotatable around the upper axis of rotation 10 extending in the left-right direction. The other end of the fourth link member 8 is fixed to the left-right center portion of the upper link member 4.

As shown in FIG. 4, the stroller connection device 1 of this embodiment connects the sides of two strollers 50 arranged in a horizontal direction to each other.

As shown in FIGS. 5 to 7, the stroller coupling device 1 having the above configuration includes a central joint portion 11 and an upper joint portion 12, and the first to fourth link members 5 to 8 are wound around both joint portions 11 and 12. Rotating can switch the entire device between the device unfolded state (FIG. 6) and the device folded state (FIG. 7).

As shown in FIG. 1 to FIG. 3, in the stroller coupling device 1, when switching from the folded state of the device to the unfolded state of the device, a distance between the first link member 5 and the third link member 7 is provided. The rotation restricting mechanism 13 is restricted in angle when the device is deployed. That is, the rotation restricting mechanism 13 restricts the first link in a state where the front link of the third link member 7 is in contact with the surface on the front side of the first link member 5 in a state where the device shown in FIG. 1 is deployed. The relative rotation operation of the member 5 and the third link member 7 is configured.

The third link member 7 is formed with an article storage portion 14 that functions as a cup holder or a storage box. The article storage portion 14 is formed so as to be capable of placing an article in the unfolded state. The formation location of the article storage portion 14 is not limited to the third link member 7, and the article storage portion 14 may be formed on the first link member 5, the second link member 6, or the fourth link member 8.

As shown in FIGS. 1 to 3, the left and right ends of the front connecting member 2 of the stroller coupling device 1 are provided with front and rear anchors 15 releasably connected to the front feet 58 of the two strollers 50. Similarly, left and right ends of the rear connecting member 3 are provided with rear anchors 16 that are releasably connected to the rear feet 59 of the two strollers 50. Furthermore, on the left and right ends of the upper connection member 4, upper holders 17 of handle bars 66 releasably connected to the two strollers 50 are provided.

As shown in FIG. 8, the front foot 58, the rear foot 59, and the handle bar 66 of the stroller 50 each have a non-circular cross-sectional shape, and each of the front holder 15, the rear holder 16, and the upper holder 17 has a non-circular cross-sectional shape. The non-circular cross-sectional shape of the front foot 58, the rear foot 59, and the handle bar 66 of the baby carriage 50 has a fixed surface that matches the non-circular cross-sectional shape.

Each of the front holder 15, the rear holder 16, and the upper holder 17 has opening and closing pieces 18 rotatably connected to the front connecting member 2, the rear connecting member 3, and the rear connecting member 4. One end of the locking piece 19 is rotatably connected to the other end of the opening and closing piece 18. A protrusion 20 having a tapered surface is formed on the inner surface of the front end portion of the locking piece 19, and the tapered surface of the protrusion 20 is engaged with the tapered surface of the protrusion 21 formed on the side of the connecting member 2, 3, and 4. Through the two tapered surfaces, the protrusions 20 on the sides of the holders 15, 16, and 17 and the protrusions 21 on the sides of the connecting members 2, 3, and 4 are slid to tightly fasten the two protrusions 20, 21.

As described above, the front fixture 15, the rear fixture 16, and the upper fixture 17 of the stroller coupling device 1 are fixed to the front foot 58, rear foot 59, and The rotation of the handle bar 66, the front holder 15, the rear holder 16, and the upper holder 17 around the longitudinal axes of the front foot 58, the rear foot 59, and the handle bar 66 is restricted. Therefore, the two baby carriages 50 can be firmly connected by the baby carriage connection device 1.

As shown in FIGS. 9 and 10, the stroller connecting device 1 of this embodiment is mounted on the stroller 50, and when viewed from the lateral direction, the first link member 5 and the second link member 6 The central joint portion 11 rotatably connected to the other ends of the third link member 7 is substantially the same as the joint portion rotatably connected to the upper ends of the front foot 58 and the rear foot 59 of the stroller 50.

In addition, the baby carriage coupling device 1 of the present embodiment is attached to the baby carriage 50, and the third link member 7 and the fourth link member 8 are rotatably connected to the upper joint portion when viewed from the lateral direction. 12. It is approximately the same as the joint portion that rotatably connects the armrest 60 of the stroller 50 to the handlebar 66.

In addition, the stroller coupling device 1 of this embodiment is installed in the stroller 50. When viewed from the lateral direction, the first link member 5, the second link member 6, and the third link member 7 are respectively It is approximately the same as the front foot 58, the rear foot 59, and the armrest 60 of the stroller. In the expanded state, the first link member 5 and the third link member 7 are substantially linear as a whole.

As described above, the central joint portion 11 and the upper joint portion 12 of the stroller coupling device 1 are substantially consistent with the respective joint portions of the stroller 50 when viewed from the lateral direction. When the folded state shown in 10 is switched, the shape of the stroller coupling device 1 changes in accordance with the change of the shape of the stroller 50. Therefore, during the folding operation, it is not necessary to apply extra force to the stroller coupling device 1, and a smooth folding operation can be realized.

In addition, the rotation axes 9, 10 of the joint portions 11, 12 of the stroller coupling device 1 and the rotation axes of the joint portions of the stroller 50 need not be completely the same, even if the two rotation axes are slightly different As a result, folding operations are also possible.

As described above, according to the baby carriage connecting device 1 of this embodiment, the baby carriage connecting device 1 in which a plurality of components are integrated can be arranged in a horizontally and firmly connected manner.

In addition, since the stroller connection device 1 has an integrated structure, the fixing position of each of the anchors 15, 16, and 17 relative to the stroller 50 can be automatically determined, thereby preventing misassembly.

In addition, the joints 11 and 12 of the stroller coupling device 1 and the joints of the stroller 50 cooperate to smoothly switch the two strollers 50 in the coupled state from the unfolded state to the folded state.

In addition, in the case of using each of the strollers 50 individually, it is possible to easily use them individually by removing the holders 15, 16, 17 of the stroller coupling device 1.

Moreover, since the article storage unit 14 is provided in the stroller coupling device 1, added value can be increased.

Next, a stroller coupling device according to another embodiment of the present invention will be described with reference to FIGS. 11 to 15. In addition, in FIG. 11 to FIG. 15, the components shown in FIG. 1 having the functions common to those in the above embodiment are denoted by the same symbols.

The stroller connection device 30 of this embodiment and the stroller connection device 1 shown in FIG. 1 have a common link structure, but the third link member 7 is not provided with an article storage portion, and the fourth link The length of the lever member 8 is different in that it is large.

That is, in the stroller coupling device 30 of the present embodiment, as shown in FIGS. 11 to 13, the third link member 7 has a shape similar to the armrest 60 of the stroller 50 (see FIG. 16). Therefore, as shown in FIGS. 14 and 15, the degree of design harmony can be improved between the armrest 60 of the stroller 50 and the third link structure 7 of the stroller coupling device 30.

Moreover, in the stroller coupling device 30 of this embodiment, since the length dimension of the fourth link member 8 is set to be large, as shown in FIG. 14 and FIG. 15, the handle bar 66 of the stroller 50 can be used. And the fourth link member 8 of the stroller coupling device 30 to improve design harmony Degree.

Regarding the other functions and effects of the stroller connection device 30 of this embodiment, the same effects as those of the stroller connection device 1 shown in FIG. 1 can be obtained.

In addition, in the present invention, the fixture for fixing the stroller coupling device to the stroller is not limited to the above-mentioned structure, and various fixtures can be used.

Figures 20 to 26 show examples of several such fixtures. For example, as shown in FIG. 20, the holder 30 provided with a face fastener can be used. Moreover, as shown in FIG. 21, the holder 31 which uses the attachment structure of the elastic deformation deformation of a member can also be used. Further, as shown in FIG. 22, a fastener 32 of a type having a hinge structure and screwing may be used. Moreover, as shown in FIG. 23, the holder 33 provided with a latch can also be used. Further, as shown in FIG. 24, a holder 34 having a ratchet structure may be used. Moreover, as shown in FIG. 25, the holder 35 fixed by the attraction | suction force of a magnet can also be used. Further, as shown in FIG. 26, a holder 36 having a sliding mechanism may be used.

Claims (7)

A stroller connecting device is used for connecting two baby carriages in a horizontal arrangement, and includes: a front connecting member for connecting the front feet of the two baby carriages to each other; and a rear connecting member for The two rear strollers are connected with the rear feet; the upper connection member is used to connect the stroller frames of the two strollers; the first link member has one end fixed to one of the front connection members; the second A link member having one end fixed to the rear connecting member and the other end rotatably connected to the other end of the first link member; a third link member having rotatably connected to the first link member One end of each other end of the link member and the second link member; and a fourth link member having one end rotatably connected to the other end of the third link member, and fixed to the upper link member The other end. For example, the baby carriage connecting device of claim 1, wherein each of the first link member, the second link member, and the third link member is viewed from a lateral direction when the baby stroller is installed in the stroller. The central joint part rotatably connected at the other end is substantially the same as the joint part that rotatably connects the upper ends of the front foot and the rear foot of the stroller. For example, the baby stroller connecting device of claim 1 or 2, wherein the third link member and the fourth link member are rotatably connected to the upper joint portion when viewed from a lateral direction when the baby stroller is installed in the stroller. It is approximately the same as the arm part of the stroller which is rotatably connected to the joint part of the stroller frame. The baby carriage coupling device according to claim 1 or 2, wherein at least one of the first link member, the second link member, the third link member, and the fourth link member is formed Article storage section. For example, the baby carriage connection device of claim 1 or 2, wherein the left and right ends of the front connection member are provided with the front foot and front fixtures releasably connected to the two baby carriages; and the rear connection member The left and right ends are provided with the rear foot and rear anchors releasably connected to the two strollers; and the left and right ends of the upper connecting member are provided with the stroller releasably connected to the two strollers. Upper bracket holder. For example, the baby carriage connecting device of claim 5, wherein at least one of the front foot, the rear foot, and the stroller frame of the baby carriage has a non-circular cross-sectional shape; and the front fastener, the rear fastener, At least one of the upper fixtures has a fixing surface that matches the non-circular cross-sectional shape. For example, the baby carriage connecting device according to claim 1 or 2, wherein the device is pulled from the folded state of the device that pulls the first link member and the third link member to the side of the second link member, and is switched to the unfolded state When the device is in the unfolded state of the baby carriage, a rotation restricting mechanism is provided so that an angle between the first link member and the third link member is restricted in the unfolded state of the device.