CN213948548U - Novel baby carriage - Google Patents

Abstract

The utility model discloses a novel baby carriage, which comprises a carriage frame and a seat supporting piece connected on the carriage frame, wherein the carriage frame comprises a push handle, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod, the upper sides of the first connecting rod and the second connecting rod are pivoted at different positions of the push handle, the lower sides of the first connecting rod and the second connecting rod are pivoted at different positions of the third connecting rod, and the pivoting positions of the first connecting rod and the third connecting rod are positioned at the front sides of the pivoting positions of the second connecting rod and the third connecting rod; the first connecting rod is connected with a sliding seat capable of moving up and down relatively, the upper side of the fourth connecting rod is pivoted with the second connecting rod, and the lower side of the fourth connecting rod is pivoted with the rear side of the seat supporting piece; the lower side of the fifth connecting rod is pivoted with the second connecting rod or/and the third connecting rod, and the upper side of the fifth connecting rod is pivoted with the sliding seat and the seat supporting piece; with the arrangement, in the process of folding the frame, the seat supporting piece can be folded together and relatively close to each component of the frame, so that the folding operation of the baby carriage is simple and convenient; and the whole volume after the folding is small, and the carrying and the storage are convenient.

Description

Novel baby carriage

Technical Field

The utility model relates to an infant's product field especially relates to a novel baby carriage.

Background

Strollers are generally configured to be collapsible so that they can be collapsed when not in use to reduce the amount of space occupied. The stroller generally includes a frame and a seat mounted on the frame, wherein the seat can be separately mounted and then assembled on the frame, and some of the stroller have a seat support mounted on the frame, or a seat plate and a seat cloth are directly mounted on the seat support for a child to sit or lie on. When the seat support is provided, the seat support is folded in addition to the folding frame when the stroller is folded. Some strollers are designed, so that the seat support cannot be folded along with the folding of the frame, and additional operation is needed, so that the folding operation of the whole stroller is complicated, and the whole volume of the stroller is large after the stroller is folded, so that the stroller is inconvenient to store and carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned shortcoming, provide a novel perambulator, it is closed to receive and closes easy and simple to handle, receives the volume after closing moreover small.

In order to achieve the above object, the utility model adopts the following technical scheme:

a novel baby carriage comprises a carriage frame capable of being converted between an unfolding state and a folding state and a seat supporting piece connected to the carriage frame, wherein the carriage frame comprises a support, the support comprises a push handle, a first connecting rod, a second connecting rod and a third connecting rod, the upper sides of the first connecting rod and the second connecting rod are pivoted at different positions of the push handle, the lower sides of the first connecting rod and the second connecting rod are pivoted at different positions of the third connecting rod, the push handle, the first connecting rod, the second connecting rod and the third connecting rod form a four-connecting-rod structure, and the pivoting position of the first connecting rod and the third connecting rod is positioned on the front side of the pivoting position of the second connecting rod and the third connecting rod; the first connecting rod is connected with a sliding seat which can move up and down relatively; the bracket also comprises a fourth connecting rod and a fifth connecting rod, the upper side of the fourth connecting rod is pivoted with the second connecting rod, and the lower side of the fourth connecting rod is pivoted with the seat supporting piece; the lower side of the fifth connecting rod is pivoted with the second connecting rod or/and the third connecting rod, the sliding seat, the upper side of the fifth connecting rod and the seat support piece are pivoted with each other, and the third connecting rod is pivoted with any one of the sliding seat, the fifth connecting rod and the seat support piece or the third connecting rod is pivoted coaxially.

The lower side of the fourth connecting rod is pivotally connected with a seat supporting piece in a rotating mode around a first rotating shaft, the seat supporting piece is pivotally connected with the sliding seat or/and the upper side of the fifth connecting rod in a rotating mode around a second rotating shaft, and when the frame is in an unfolded state, the first rotating shaft is located on the rear side of the second rotating shaft.

The lower side of the fifth connecting rod is pivoted with the second connecting rod or/and the third connecting rod in a rotating mode around a third rotating shaft, and when the frame is in an unfolded state, the first rotating shaft is located on the third upper side of the rotating shaft.

When the lower side of the fifth connecting rod is pivoted to the third connecting rod, and the frame is in an unfolded state, the pivoting position of the lower side of the first connecting rod and the third connecting rod is positioned at the front side of the pivoting position of the fifth connecting rod and the third connecting rod.

And the pivoting position of the fifth connecting rod and the third connecting rod is positioned at the front side of the pivoting position of the second connecting rod and the third connecting rod.

The frame further comprises a front foot of which the rear side is connected with the support and a linkage device connected between the front foot and the support, the rear side of the front foot is pivoted with the second connecting rod or/and the fourth connecting rod, and the linkage device can link the front foot to rotate towards the support when the support is folded.

The linkage device comprises a linkage rod, the front side of the linkage rod is pivoted to the front foot, the second connecting rod is pivoted with the third connecting rod in a crossed manner, one side of the second connecting rod is pivoted with the pushing handle, the other side of the second connecting rod is pivoted with the rear side of the linkage rod, and the pivoted position of the rear side of the linkage rod and the other side of the second connecting rod is positioned between the front foot and the third connecting rod; or the fifth connecting rod is in cross connection with the third connecting rod, the upper side of the fifth connecting rod is pivoted with the sliding seat or/and the seat support, the lower side of the fifth connecting rod is pivoted with the rear side of the linkage rod, and the pivoting position of the rear side of the linkage rod and the other side of the fifth connecting rod is positioned between the front foot and the third connecting rod.

The rear side of the front foot is pivotally connected with the first connecting rod or/and the third connecting rod in a rotating mode around a sixth rotating shaft, the front side of the linkage rod is pivotally connected with the front foot in a rotating mode around a seventh rotating shaft, and when the frame is in an unfolded state, the seventh rotating shaft is located on the sixth front side of the rotating shaft.

The linkage device comprises a first linkage rod, a second linkage rod and a third linkage rod, wherein the upper side of the first linkage rod is pivoted with the first linkage rod, the front side of the second linkage rod is pivoted with the front foot, the rear side of the third linkage rod is pivoted with the third linkage rod, and the lower side of the first linkage rod, the rear side of the second linkage rod and the front side of the third linkage rod are pivoted with one another, and the third linkage rod is pivoted with any one of the first linkage rod, the second linkage rod and the third linkage rod, or the first linkage rod, the second linkage rod and the third linkage rod are coaxially pivoted.

The rear side of the front foot is rotatably pivoted with the first connecting rod and the third connecting rod coaxially around a sixth rotating shaft, the front side of the second linkage rod is rotatably pivoted with the front foot around a ninth rotating shaft, and the ninth rotating shaft is positioned on the front side of the sixth rotating shaft; the rear side of the third linkage rod is pivoted to the third linkage rod in an eight-rotation mode around a rotating shaft, and the rotating shaft is eight-position at the six rear sides of the rotating shaft.

The second connecting rod is in cross pivot joint with the third connecting rod, the linkage device comprises a linkage rod, the upper side of the linkage rod is in pivot joint with the front leg in a rotating mode around a seventh rotating shaft, and the lower side of the linkage rod is in pivot joint with the lower side of the second connecting rod; the front foot is pivoted with the first connecting rod or/and the third connecting rod in a rotating mode around a sixth rotating shaft, and when the frame is in an unfolded state, the seventh rotating shaft is located on the rear side of the sixth rotating shaft.

The utility model has the advantages that:

1. because the seat supporting piece of the baby carriage can be folded along with the folding of the frame, the folding operation of the baby carriage is simple and convenient as a whole; and after the baby carriage is folded, the seat supporting piece is relatively close to other components of the carriage frame, so that the folded baby carriage is small in overall size and convenient to carry and store.

2. The front legs can be folded together with the folding of the bracket due to the arrangement of the linkage device, so that the folding operation of the baby carriage is simpler and more convenient, and the folded front legs are close to the third connecting rod, so that the whole volume of the folded baby carriage is small;

3. the utility model discloses the relative frame of seat support piece of perambulator is in a higher position to not only more conveniently look after and sit/crouch the utility model discloses child in the perambulator also makes the child field of vision in the perambulator better moreover.

Drawings

Fig. 1 is a schematic plan view of a stroller according to a first embodiment of the present invention in an unfolded state;

fig. 2 is a perspective view of the stroller of the present invention in a deployed state;

fig. 3 is a schematic plan view of the stroller of the present invention in a folding process according to a first embodiment;

fig. 4 is a schematic perspective view of the stroller of the present invention in a folding process;

fig. 5 is an enlarged schematic plan view of the stroller of the first embodiment of the present invention in a folded state;

fig. 6 is an enlarged schematic perspective view of the stroller of the first embodiment of the present invention in a folded state;

fig. 7 is a schematic plan view of a second embodiment of the stroller of the present invention in an expanded state;

fig. 8 is a perspective view of a second embodiment of the stroller of the present invention in an expanded state;

fig. 9 is a schematic plan view of a stroller according to a second embodiment of the present invention in a folding process;

fig. 10 is a perspective view of the stroller of the second embodiment of the present invention in a folding process;

fig. 11 is a schematic plan view of a stroller according to a second embodiment of the present invention in a folded state;

fig. 12 is a perspective view of the stroller of the second embodiment of the present invention in a folded state;

fig. 13 is a schematic plan view of a stroller in a deployed state according to a third embodiment of the present invention;

fig. 14 is a perspective view of a stroller according to a third embodiment of the present invention in an unfolded state;

fig. 15 is a schematic plan view of a stroller according to a third embodiment of the present invention in a folding process;

fig. 16 is a schematic plan view of a stroller according to a third embodiment of the present invention in a folded state;

fig. 17 is a perspective view of the stroller of the third embodiment of the present invention in a folded state;

fig. 18 is a schematic plan view of a fourth embodiment of the stroller of the present invention in a deployed state;

fig. 19 is a perspective view of a fourth embodiment of the stroller of the present invention in an expanded state;

fig. 20 is a schematic plan view of a stroller according to a fourth embodiment of the present invention in a folding process;

fig. 21 is a perspective view of a stroller according to a fourth embodiment of the present invention in a folding process;

fig. 22 is an enlarged plan view of a fourth embodiment of the stroller of the present invention in a folded state;

fig. 23 is an enlarged perspective view of the stroller according to the fourth embodiment of the present invention in a folded state.

Detailed Description

The following describes the stroller in detail with reference to the accompanying drawings.

First embodiment

Fig. 1 to 6 show a first embodiment of the stroller of the present invention, in this embodiment, the stroller of the present invention includes a frame a capable of being switched between an unfolded state and a folded state and a seat supporting member B connected to the frame a, the frame a includes a support, the support includes a pushing handle 1, a first connecting rod 2, a second connecting rod 3, and a third connecting rod 4, the upper sides of the first connecting rod 2 and the second connecting rod 3 are pivoted to different positions of the pushing handle 1, the lower sides of the first connecting rod 2 and the second connecting rod 3 are pivoted to different positions of the third connecting rod 4, the pushing handle 1, the first connecting rod 2, the second connecting rod 3, and the third connecting rod 4 are formed into a four-bar structure, and the pivoting position of the first connecting rod 2 and the third connecting rod 4 is located at the front side of the pivoting position of the second connecting rod 3 and the third connecting rod 4; the first connecting rod 2 is connected with a sliding seat 5 which can move up and down relatively; the bracket also comprises a fourth connecting rod 6 and a fifth connecting rod 7, wherein the upper side of the fourth connecting rod 6 is pivoted with the second connecting rod 3, and the lower side of the fourth connecting rod 6 is pivoted with the seat supporting piece B; the lower side of the fifth connecting rod 7 is pivoted with the second connecting rod 3 or/and the third connecting rod 4, the upper sides of the sliding seat 5 and the fifth connecting rod 7 are pivoted with the seat support member B, and the third connecting rod is pivoted with any one of the sliding seat 5 and the fifth connecting rod 7 or is coaxially pivoted with the third connecting rod.

The lower side of the fourth link 6 is pivotally connected to the seat support B around a first pivot 61, the seat support B is pivotally connected to the upper side of the slide 5 or/and the fifth link 7 around a second pivot 70, and when the frame a is in the unfolded state, the first pivot 61 is located behind the second pivot 70.

The lower side of the fifth link 7 is pivotally connected to the second link 3 or/and the third link 4 in a manner of rotating around a third rotating shaft 71, and when the frame a is in the unfolded state, the first rotating shaft 61 is located on the upper side of the third rotating shaft 71. Specifically, when the lower side of the fifth link 7 is pivotally connected to the second link 3 only around the third pivot 71 or the lower side of the fifth link 7 is pivotally connected to the second link 3 and the third link 4 coaxially around the third pivot 71, the first pivot 61 is naturally located above the third pivot 71 when the frame a is in the unfolded state. When the lower side of the fifth link 7 is pivotally connected to the second link 3 only by rotating around the third rotating shaft 71, the first rotating shaft 61 is preferably located above the third rotating shaft 71. With such arrangement, the fifth connecting rod 7 can better support the seat supporting member B when the frame a is in the unfolded state, so that the seat supporting member B can be more stably connected to the frame a, and the safety of a child seated in the stroller of the present invention can be ensured; and during the folding process of the frame a, the upper side of the fifth link 7 can also push the sliding seat 5 to move along the first link 2 and push the seat support B to move relative to the first link 2 and rotate relative to the first link 2, thereby assisting the folding of the seat support B along with the frame a.

In this embodiment, when the lower side of the fifth link 7 is pivoted to the third link 4, when the frame is in the unfolded state, the pivoting position of the lower side of the first link 2 and the third link 4 is located in front of the pivoting position of the fifth link 7 and the third link 4. That is, if the lower side of the fifth link 7 is pivotally connected to the third link 4 around the third pivot shaft 71, the pivotal connection position between the lower side of the first link 2 and the third link 4 is located in front of the third pivot shaft 71 when the frame is in the unfolded state. So configured, the fifth link 7 can also be made to better support the seat support B.

Preferably, the pivot joint position of the fifth link 7 and the third link 4 is located at the front side of the pivot joint position of the second link 3 and the third link 4. So set up, can make the length of fifth connecting rod 7 need not to set up too long to receive the back at receipts, the 7 upside of fifth connecting rod can not surpass other subassembly rear ends of frame after backward rotating, thereby can avoid increasing the utility model discloses whole length after the perambulator is received to receipts, thereby reduce to receive the volume of receipts.

The upper side of the first connecting rod 2 is pivoted with the push handle 1 in a rotating way around a rotating shaft four 20, and when the frame A is in an unfolded state, the sliding seat 5 is positioned at the lower side of the rotating shaft four 20.

The utility model is arranged in such a way that when the baby carriage is folded, the push handle 1 rotates forwards and the lower end rotates backwards and downwards, the upper sides of the first connecting rod 2 and the second connecting rod 3 are driven to rotate backwards and downwards, because of the connection relationship of the slide 5, the upper side of the fifth connecting rod 7 and the seat support member B, when the first connecting rod 2 rotates backwards and downwards, the upper side of the fifth connecting rod 7 and the front side of the seat support member B are also driven to rotate backwards and downwards, the slide 5 is pushed to move along the first connecting rod 2 to the side where the first connecting rod 2 is connected with the push handle 1, and the slide 5 moves in such a way, the upper side of the fifth connecting rod 7 and the seat support member B move along the first connecting rod 2 in reverse, and the seat support member B moves in such a way, the lower side of the fifth connecting rod 6 is pushed to rotate backwards, and the fifth connecting rod 6 is linked, the front side of the seat support member B will rotate forward and downward (as shown in fig. 3 and 4), until the frame a is folded, the push handle 1, the first link 2, the second link 3, and the third link 4 are relatively close to each other, the fifth link 7 is also pulled to rotate to a state of being relatively close to the first link 2 and the second link 3, the seat support member B is also driven to rotate to a state of being relatively close to the push handle 1, the first link 2, the second link 3, and the third link 4, and the fourth link 6 is also rotated to a state of being relatively close to the seat support member B and the second link 3. Thus, the seat supporting piece B can be linked to fold along with the folding of the frame A, so that the folding operation of the baby carriage is very simple and convenient; and the folded baby carriage has small integral volume and is convenient to carry and store.

An additional seat which is arranged independently can be arranged on the seat supporting part B, so that when the seat supporting part B is folded along with the frame A, the seat connected with the seat supporting part B can be close to each component of the frame A; or, the seat support member B is directly provided with a seat plate and a seat cloth for the child to sit or lie.

Because the utility model discloses a seat support piece B and each subassembly of frame set up so relatively, still can make the relative frame of seat support piece is in a higher position, even make the relative frame of seat be in a higher position to not only more conveniently look after and sit/crouch the utility model discloses child in the perambulator also makes the child field of vision in the perambulator better moreover.

In this embodiment, the frame a further includes a front leg 8 having a rear side connected to the bracket, and a linkage connected between the front leg 8 and the bracket, wherein the rear side of the front leg 8 is pivotally connected to the second link 2 or/and the fourth link 4, and the linkage can link the front leg 8 to rotate toward the bracket when the bracket is folded.

In this embodiment, the linkage device includes a linkage rod 9, the front side of the linkage rod 9 is pivoted to the front foot 8, the second connecting rod 3 is pivoted to the third connecting rod 4 in a crossing manner, one side of the second connecting rod 3 is pivoted to the pushing handle 1, the other side of the second connecting rod 3 is pivoted to the rear side of the linkage rod 9, and the pivoting position between the rear side of the linkage rod 9 and the other side of the second connecting rod 3 is located between the front foot 8 and the third connecting rod 4.

The rear side of the front foot 8 is pivotally connected with the first connecting rod 2 or/and the third connecting rod 4 in a rotating manner around a sixth rotating shaft 80, the front side of the linkage rod 9 is pivotally connected with the front foot 8 in a rotating manner around a seventh rotating shaft 90, and when the frame A is in an unfolded state, the seventh rotating shaft 90 is positioned at the front side of the sixth rotating shaft 80. Preferably, the rear side of the front foot 8 is coaxially pivoted with the first link 2 and the third link 4, so that the assembly is easier.

In the folding process of the support, when the rear upper side of the second connecting rod 3 rotates backwards and downwards, correspondingly, the front side of the second connecting rod 3 rotates upwards, so that the rear side of the linkage rod 9 can be driven to rotate upwards, and therefore, the front foot 8 pivoted with the front side of the linkage rod 9 can be pulled to rotate backwards to be close to the third connecting rod 4 until the frame A is folded, and the front foot 8 is close to the third connecting rod 4. That is, due to the arrangement of the linkage device, the front leg 8 can also be folded in a rotating manner along with the folding of the support, so that the folding of the whole baby carriage is simpler and more convenient, and the front leg 8 can be close to the third connecting rod, so that the whole volume of the folded frame is smaller.

In this embodiment, preferably, the second link 3 includes a first section 31 and a second section 32 extending from the lower end of the first section 31 toward the front leg 8, an included angle greater than zero and smaller than 180 degrees is formed between the first section 31 and the second section 32, the upper side of the first section 31 is pivotally connected to the push handle 1, the lower end of the first section is pivotally connected to the third link, and the rear side of the linkage rod 9 is pivotally connected to the front side of the second section 32. With the arrangement, in the folding process of the frame a, the front side of the second section 32 can drive the rear side of the linkage rod 9 to rotate upwards and backwards by a larger amplitude, so that the front foot 8 can rotate backwards by a larger angle under the pulling of the linkage member to be closer to the third connecting rod 4, and the overall volume of the folded frame a is further reduced.

In other embodiments, the included angle between the first section 31 and the second section 32 may be other suitable angles, as long as the second section 32 can drive the front leg 8 to rotate backward to approach through the link.

In this embodiment, a front wheel C is connected to a front lower portion of the front leg 8, and a rear wheel D is connected to a rear lower portion of the third link 4.

Second embodiment

Fig. 7 to 12 show a second embodiment of the stroller of the present invention. In this embodiment, the connection principle of the stand of the stroller and the seat support B is the same as that of the first embodiment. That is, the frame also includes a push handle 1-2, a first link 2-2, a second link 3-2, a third link 4-2, a slide 5-2, and a fourth link 6-2 and a fifth link 7-2, which are formed into a four-bar linkage, and the connection principle of the push handle 1-2, the first link 2-2, the second link 3-2, the third link 4-2, the fourth link 6-2, the fifth link 7-2, and the seat support B-2 is the same as the first embodiment, the folding principle of the support is the same as the first embodiment, and the folding principle of the seat support B along with the frame is the same as the first embodiment, so that the details are not described herein.

This embodiment differs from the first embodiment in the linkage connection to the bracket. In this embodiment, the linkage device also includes a linkage rod 9-2, the front side of the linkage rod 9-2 is pivoted to the front foot 8-2, the fifth link 7-2 is cross-connected with the third link 4-2, one side (i.e. the upper side) of the fifth link 7-2 is pivoted with the sliding sleeve 5-2 or/and the seat support member B-2, the other side is pivoted with the rear side of the linkage rod 9-2, and the pivoting position of the rear side of the linkage rod 9-2 and the other side of the fifth link 7-2 is located between the front foot 8-2 and the third link 4-2.

The rear side of the front foot 8-2 is pivotally connected with the first connecting rod 2-2 or/and the third connecting rod 4-2 in a rotating mode around a rotating shaft six 80-2, the front side of the linkage rod 9-2 is pivotally connected with the front foot 8-2 in a rotating mode around a rotating shaft seven 90-2, and when the frame A-2 is in the unfolded state, the rotating shaft seven 90-2 is located on the front side of the rotating shaft six 80-2.

In the folding process of the support, when the upper side of the fifth connecting rod 7-2 rotates backwards and downwards, correspondingly, the lower side of the fifth connecting rod 7-2 rotates upwards, so that the rear side of the linkage rod 9-2 can be driven to rotate upwards, and therefore the front foot 8-2 pivoted with the front side of the linkage rod 9-2 can be pulled to rotate backwards to be close to the third connecting rod 4, and when the frame A is folded, the front foot 8-2 is close to the third connecting rod 4. Therefore, the front foot 8-2 can also rotate to fold along with the folding of the bracket, so that the folding of the whole baby carriage is simpler and more convenient, and the front foot 8-2 can be close to the third connecting rod 3-2, so that the whole volume of the folded frame is smaller.

Preferably, the fifth link 7-2 includes a main body section 72 and an extension section 73 extending from the lower end of the main body section 72 toward the front leg 8-2, an included angle greater than 0 degree and less than 180 degrees is formed between the main body section 72 and the extension section 73, the upper side of the main body section 72 is pivotally connected to the slide seat 5-2 or/and the seat supporting member B-2, and the rear side of the linkage rod 9-2 is pivotally connected to the front side of the extension section 73. With such an arrangement, in the folding process of the frame a, the front side of the extension section 73 can drive the rear side of the linkage rod 9-2 to rotate upwards and backwards by a larger amplitude, so that the front foot-28 can rotate backwards by a larger angle under the pulling of the linkage member to be closer to the third connecting rod 4-2, and the overall volume of the folded frame a-2 is further reduced. Similarly, in other embodiments, the included angle between the main body section 72 and the extension section 73 may be other suitable angles, as long as the extension section 73 can drive the front leg 8-2 to rotate backward to approach through the link.

Third embodiment

Fig. 13 to 17 show a third embodiment of the stroller of the present invention. In this embodiment, the connection principle of the stand of the stroller and the seat support member B-3 is the same as that of the first embodiment. Namely, the vehicle frame also comprises a push handle 1-3, a first link 2-3, a second link 3-3, a third link 4-3, a slide 5-3, and a fourth link 6-3 and a fifth link 7-3 which are formed into a four-link structure, and the connection principle of the push handle 1-3, the first link 2-3, the second link 3-3, the third link 4-3, the slide 5-3, the fourth link 6-3, the fifth link 7-3, and the seat support member B-3 is the same as that of the first embodiment. The folding principle of the support is the same as that of the first embodiment, and the principle that the seat supporting member B-3 can be folded together with the frame is the same as that of the first embodiment, so that the description thereof is omitted.

This embodiment differs from the first embodiment in the linkage and its connection to the bracket. In this embodiment, the linkage device includes a first linkage rod 91, a second linkage rod 92, and a third linkage rod 93, the upper side of the first linkage rod 91 is pivotally connected to the first linkage rod 2-3, the front side of the second linkage rod 92 is pivotally connected to the front legs 8-3, the rear side of the third linkage rod 93 is pivotally connected to the third linkage rod 4-3, and of the lower side of the first linkage rod 91, the rear side of the second linkage rod 92, and the front side of the third linkage rod 93, the two of them are pivotally connected, and the third is pivotally connected to either of them, or the three are pivotally connected coaxially.

The rear side of the third link 93 cannot be coaxially pivoted to the third link 4-3 with the rear side of the front leg 8-3, nor to the second link 3-3 with the lower side of the first link 2-3, and in addition, the rear side of the third link 93 can be pivoted to any position of the third link 4-3. In this embodiment, the rear side of the front leg 8-3 is pivotally connected to the third link 4-3 or pivotally connected to the first link 2-3 and the third link 4-3 coaxially around the rotation axis six 80-3, the rear side of the third link 93 is pivotally connected to the third link 4-3 around the rotation axis eight 93-3, and the rotation axis eight 93-3 is located at the rear side of the rotation axis six 80-3. With the arrangement, when the first linkage rod 91 moves downwards, the included angle between the second linkage rod 92 and the third linkage rod 93 can be reduced, and further the front leg 8-3 and the third connecting rod 4-3 are closed.

The front side of the second linkage rod 92 is pivotally connected with the front leg 8-3 in a rotating manner around a rotating shaft nine 92-3, and the rotating shaft nine 92-3 is positioned at the front side of the rotating shaft six 80-3.

In the process of folding the support, when the first connecting rod 2-3 rotates backwards and downwards, the first linkage rod 91 is driven to move downwards, and the first linkage rod 91 moving downwards tends to make the rear side of the second linkage rod 92 and the front side of the third linkage rod 93 rotate downwards, so that the included angle between the second linkage rod 92 and the third linkage rod 93 is reduced; therefore, the front foot 8-3 pivoted with the front side of the second linkage rod 92 and the third connecting rod 4-3 pivoted with the rear side of the third linkage rod 93 can relatively approach and rotate to approach until the front foot 8-3 approaches the third connecting rod 4-3 when the frame is folded, the first linkage rod 91, the second linkage rod 92 and the third linkage rod 93 also approach each other relatively and approach the first connecting rod 2-3, the third connecting rod 4-3 and the front foot 8-3 relatively, so that the folded baby carriage is small in overall volume and convenient to carry and store; and the front foot 8-3 can be folded together with the frame because of the linkage device, so the whole folding operation of the baby carriage is simple and convenient.

Fourth embodiment

Fig. 18 to 23 show a fourth embodiment of the stroller of the present invention. In this embodiment, the connection principle of the stand of the stroller and the seat support B is the same as that of the first embodiment. Namely, the vehicle frame also includes a push handle 1-4, a first link 2-4, a second link 3-4, a third link 4-4, and a slide 5-4, a fourth link 6-4, and a fifth link 7-4, which are formed in a four-link structure, and the connection principle of the push handle 1-4, the first link 2-4, the second link 3-4, the third link 4-4, the fourth link 6-4, the fifth link 7-4, and the seat support B-4 is the same as that of the first embodiment. The folding principle of the support frame is also the same as that of the first embodiment, and the principle that the seat supporting member B-4 can be folded together with the support frame is also the same as that of the first embodiment, so the details are not described herein.

This embodiment differs from the first embodiment in the connection of the front foot 8-4, the linkage and the bracket. In this embodiment, the second connecting rod 3-4 and the third connecting rod 4-4 are pivoted in a crossed manner, the linkage device comprises a linkage rod 9-4, the upper side of the linkage rod 9-4 is pivoted to the front leg 8-4, and the lower side of the linkage rod 9-4 is pivoted to the lower side of the second connecting rod 3-4; in this embodiment, the rear side of the front leg 8-4 is pivotally connected to the first link 2-4 or/and the third link 4-4 around a rotation axis six 80-4, the upper side of the linkage rod 9-4 is pivotally connected to the front leg 8-4 around a rotation axis seven 90-4, and when the frame a is in the unfolded state, the rotation axis seven 90-4 is located at the rear side of the rotation axis six 80-4.

In the folding process of the support, when the upper side of the second connecting rod 3-4 rotates backwards and downwards, the lower side of the second connecting rod rotates upwards, so that the linkage rod 9-4 is driven to move upwards, the upper side of the linkage rod 9-4 pushes the rear side of the front foot 8-4 to rotate forwards and upwards, the front side of the front foot 8-4 rotates backwards until the frame A is folded, and the front foot 8-4 is close to the third connecting rod 4-4. Therefore, the folded frame A has small integral volume and is convenient to carry and store; and the front legs 8-4 can be folded together with the frame due to the linkage device, so the whole folding operation of the baby carriage is simple and convenient.

In this embodiment, preferably, the front leg 8-4 includes a supporting section 81 and a connecting section 82 extending backward from the rear end of the supporting section 81, an included angle greater than 0 degree and smaller than 180 degrees is formed between the supporting section 81 and the connecting section 82, the upper side of the linkage rod 9 is pivotally connected to the connecting section 82, and the connecting section 82 is pivotally connected to the first connecting rod 2-4 or/and the third connecting rod 4. The front leg 8-4 is arranged such that said front leg 8-4 is rotatable through a larger angle, so that the front leg of the front leg 8-4 can be brought closer to the third link 4-4, thereby further reducing the overall volume of the collapsed stroller.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (25)

1. The utility model provides a novel baby carriage, its including can be in the frame that expandes the state and receive to close the state and connect in seat support spare on the frame, its characterized in that: the frame comprises a support, the support comprises a push handle, a first connecting rod, a second connecting rod and a third connecting rod, the upper sides of the first connecting rod and the second connecting rod are pivoted at different positions of the push handle, the lower sides of the first connecting rod and the second connecting rod are pivoted at different positions of the third connecting rod, the push handle, the first connecting rod, the second connecting rod and the third connecting rod form a four-connecting-rod structure, and the pivoting positions of the first connecting rod and the third connecting rod are positioned at the front side of the pivoting positions of the second connecting rod and the third connecting rod; the first connecting rod is connected with a sliding seat which can move up and down relatively; the bracket also comprises a fourth connecting rod and a fifth connecting rod, the upper side of the fourth connecting rod is pivoted with the second connecting rod, and the lower side of the fourth connecting rod is pivoted with the seat supporting piece; the lower side of the fifth connecting rod is pivoted with the second connecting rod or/and the third connecting rod, the upper side of the fifth connecting rod, the sliding seat and the seat support piece are pivoted with each other, and the third connecting rod is pivoted with any one of the fifth connecting rod, the sliding seat and the seat support piece or the third connecting rod is pivoted coaxially.

2. The new stroller as recited in claim 1, wherein: the lower side of the fourth connecting rod is pivotally connected with a seat supporting piece in a rotating mode around a first rotating shaft, the seat supporting piece is pivotally connected with the sliding seat or/and the upper side of the fifth connecting rod in a rotating mode around a second rotating shaft, and when the frame is in an unfolded state, the first rotating shaft is located on the rear side of the second rotating shaft.

3. The new stroller as recited in claim 2, wherein: the lower side of the fifth connecting rod is pivotally connected with the second connecting rod or/and the third connecting rod in a rotating mode around a third rotating shaft, and the first rotating shaft is located on the third upper side of the rotating shaft.

4. The new stroller as recited in claim 1, wherein: when the lower side of the fifth connecting rod is pivoted to the third connecting rod, and the frame is in an unfolded state, the pivoting position of the lower side of the first connecting rod and the third connecting rod is positioned at the front side of the pivoting position of the fifth connecting rod and the third connecting rod.

5. The new stroller as recited in claim 4, wherein: and the pivoting position of the fifth connecting rod and the third connecting rod is positioned at the front side of the pivoting position of the second connecting rod and the third connecting rod.

6. The new stroller as recited in claim 2, wherein: when the lower side of the fifth connecting rod is pivoted to the third connecting rod, the pivoting position of the lower side of the first connecting rod and the third connecting rod is positioned in front of the pivoting position of the fifth connecting rod and the third connecting rod.

7. The new stroller as recited in claim 6, wherein: and the pivoting position of the fifth connecting rod and the third connecting rod is positioned at the front side of the pivoting position of the second connecting rod and the third connecting rod.

8. The new stroller as recited in claim 3, wherein: when the lower side of the fifth connecting rod is pivoted to the third connecting rod, the pivoting position of the lower side of the first connecting rod and the third connecting rod is positioned in front of the pivoting position of the fifth connecting rod and the third connecting rod.

9. The new stroller as recited in claim 8, wherein: and the pivoting position of the fifth connecting rod and the third connecting rod is positioned at the front side of the pivoting position of the second connecting rod and the third connecting rod.

10. The new stroller as recited in claim 1, 4 or 5, wherein: the frame further comprises a front foot of which the rear side is connected with the support and a linkage device connected between the front foot and the support, the rear side of the front foot is pivoted with the second connecting rod or/and the fourth connecting rod, and the linkage device can link the front foot to rotate towards the support when the support is folded.

11. The new stroller as recited in claim 10, wherein: the linkage device comprises a linkage rod, the front side of the linkage rod is pivoted to the front foot, the second connecting rod is pivoted with the third connecting rod in a crossed manner, one side of the second connecting rod is pivoted with the pushing handle, the other side of the second connecting rod is pivoted with the rear side of the linkage rod, and the pivoted position of the rear side of the linkage rod and the other side of the second connecting rod is positioned between the front foot and the third connecting rod; or the fifth connecting rod is in cross connection with the third connecting rod, one side of the fifth connecting rod is pivoted with the sliding seat or/and the seat support, the other side of the fifth connecting rod is pivoted with the rear side of the linkage rod, and the pivoting position of the rear side of the linkage rod and the other side of the fifth connecting rod is positioned between the front foot and the third connecting rod.

12. The new stroller as recited in claim 11, wherein: the rear side of the front foot is pivotally connected with the first connecting rod or/and the third connecting rod in a rotating mode around a sixth rotating shaft, the front side of the linkage rod is pivotally connected with the front foot in a rotating mode around a seventh rotating shaft, and when the frame is in an unfolded state, the seventh rotating shaft is located on the sixth front side of the rotating shaft.

13. The new stroller as recited in claim 12, wherein: the second connecting rod comprises a first section and a second section extending from the lower end of the first section towards the front foot, an included angle which is larger than zero degrees and smaller than 180 degrees is formed between the first section and the second section, the upper side of the first section is pivoted with the push handle, and the rear side of the linkage rod is pivoted with the front side of the second section.

14. The new stroller as recited in claim 13, wherein: the fifth connecting rod comprises a main body section and an extension section extending from the lower end of the main body section to the front foot, an included angle which is larger than 0 degree and smaller than 180 degrees is formed between the main body section and the extension section, the upper side of the main body section is pivoted with the sliding seat or/and the seat supporting piece, and the rear side of the linkage rod is pivoted with the front side of the extension section.

15. The new stroller as recited in claim 10, wherein: the linkage device comprises a first linkage rod, a second linkage rod and a third linkage rod, wherein the upper side of the first linkage rod is pivoted with the first linkage rod, the front side of the second linkage rod is pivoted with the front foot, the rear side of the third linkage rod is pivoted with the third linkage rod, and the lower side of the first linkage rod, the rear side of the second linkage rod and the front side of the third linkage rod are pivoted with one another, and the third linkage rod is pivoted with any one of the first linkage rod, the second linkage rod and the third linkage rod, or the first linkage rod, the second linkage rod and the third linkage rod are coaxially pivoted.

16. The new stroller as recited in claim 15, wherein: the rear side of the front foot is rotatably pivoted with the first connecting rod and the third connecting rod coaxially around a sixth rotating shaft, the front side of the second linkage rod is rotatably pivoted with the front foot around a ninth rotating shaft, and the ninth rotating shaft is positioned on the front side of the sixth rotating shaft; the rear side of the third linkage rod is pivoted to the third linkage rod in an eight-rotation mode around a rotating shaft, and the rotating shaft is eight-position at the six rear sides of the rotating shaft.

17. The new stroller as recited in claim 10, wherein: the second connecting rod is in cross pivot joint with the third connecting rod, the linkage device comprises a linkage rod, the upper side of the linkage rod is in pivot joint with the front leg in a rotating mode around a seventh rotating shaft, and the lower side of the linkage rod is in pivot joint with the lower side of the second connecting rod; the front foot is pivoted with the first connecting rod or/and the third connecting rod in a rotating mode around a sixth rotating shaft, and when the frame is in an unfolded state, the seventh rotating shaft is located on the rear side of the sixth rotating shaft.

18. The new stroller as recited in any one of claims 2, 3, 6 to 9, wherein: the frame further comprises a front foot of which the rear side is connected with the support and a linkage device connected between the front foot and the support, the rear side of the front foot is pivoted with the second connecting rod or/and the fourth connecting rod, and the linkage device can link the front foot to rotate towards the support when the support is folded.

19. The new stroller as recited in claim 18, wherein: the linkage device comprises a linkage rod, the front side of the linkage rod is pivoted to the front foot, the second connecting rod is pivoted with the third connecting rod in a crossed manner, one side of the second connecting rod is pivoted with the pushing handle, the other side of the second connecting rod is pivoted with the rear side of the linkage rod, and the pivoted position of the rear side of the linkage rod and the other side of the second connecting rod is positioned between the front foot and the third connecting rod; or the fifth connecting rod is in cross connection with the third connecting rod, one side of the fifth connecting rod is pivoted with the sliding seat or/and the seat support, the other side of the fifth connecting rod is pivoted with the rear side of the linkage rod, and the pivoting position of the rear side of the linkage rod and the other side of the fifth connecting rod is positioned between the front foot and the third connecting rod.

20. The new stroller as recited in claim 19, wherein: the rear side of the front foot is pivotally connected with the first connecting rod or/and the third connecting rod in a rotating mode around a sixth rotating shaft, the front side of the linkage rod is pivotally connected with the front foot in a rotating mode around a seventh rotating shaft, and when the frame is in an unfolded state, the seventh rotating shaft is located on the sixth front side of the rotating shaft.

21. The new stroller as recited in claim 20, wherein: the second connecting rod comprises a first section and a second section extending from the lower end of the first section towards the front foot, an included angle which is larger than zero degrees and smaller than 180 degrees is formed between the first section and the second section, the upper side of the first section is pivoted with the push handle, and the rear side of the linkage rod is pivoted with the front side of the second section.

22. The new stroller as recited in claim 21, wherein: the fifth connecting rod comprises a main body section and an extension section extending from the lower end of the main body section to the front foot, an included angle which is larger than 0 degree and smaller than 180 degrees is formed between the main body section and the extension section, the upper side of the main body section is pivoted with the sliding seat or/and the seat supporting piece, and the rear side of the linkage rod is pivoted with the front side of the extension section.

23. The new stroller as recited in claim 18, wherein: the linkage device comprises a first linkage rod, a second linkage rod and a third linkage rod, wherein the upper side of the first linkage rod is pivoted with the first linkage rod, the front side of the second linkage rod is pivoted with the front foot, the rear side of the third linkage rod is pivoted with the third linkage rod, and the lower side of the first linkage rod, the rear side of the second linkage rod and the front side of the third linkage rod are pivoted with one another, and the third linkage rod is pivoted with any one of the first linkage rod, the second linkage rod and the third linkage rod, or the first linkage rod, the second linkage rod and the third linkage rod are coaxially pivoted.

24. The new stroller as recited in claim 23, wherein: the rear side of the front foot is rotatably pivoted with the first connecting rod and the third connecting rod coaxially around a sixth rotating shaft, the front side of the second linkage rod is rotatably pivoted with the front foot around a ninth rotating shaft, and the ninth rotating shaft is positioned on the front side of the sixth rotating shaft; the rear side of the third linkage rod is pivoted to the third linkage rod in an eight-rotation mode around a rotating shaft, and the rotating shaft is eight-position at the six rear sides of the rotating shaft.

25. The new stroller as recited in claim 18, wherein: the second connecting rod is in cross pivot joint with the third connecting rod, the linkage device comprises a linkage rod, the upper side of the linkage rod is in pivot joint with the front leg in a rotating mode around a seventh rotating shaft, and the lower side of the linkage rod is in pivot joint with the lower side of the second connecting rod; the front foot is pivoted with the first connecting rod or/and the third connecting rod in a rotating mode around a sixth rotating shaft, and when the frame is in an unfolded state, the seventh rotating shaft is located on the rear side of the sixth rotating shaft.

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