CN211223584U - Folding handcart and baby's handcart - Google Patents

Abstract

The utility model relates to a folding handcart field particularly, relates to a folding handcart and baby's handcart. The folding handcart comprises a push rod assembly, a front support assembly, a rear support assembly, a seat rod assembly, a connecting rod assembly and a sliding sleeve assembly. Preceding support subassembly and link assembly are connected with the rotation of sitting the pole subassembly respectively, sliding sleeve subassembly and push rod subassembly sliding fit, and sliding sleeve subassembly and back support subassembly rotate with the both ends of link assembly respectively and are connected for when accomodating folding handcart, the sliding sleeve subassembly slides on push rod subassembly, makes link assembly and sitting the pole subassembly and rotates then, makes folding handcart folding accomodate. The folding device is simple in structure, convenient to fold and convenient for user operation.

Description

Folding handcart and baby's handcart

Technical Field

The utility model relates to a folding handcart field particularly, relates to a folding handcart and baby's handcart.

Background

Among the baby's handcart, folding handcart is the handcart of welcoming, when not using, can fold it and accomodate, reduces the space that the handcart occupy, and when needing to use, it can to expand it again. However, many existing foldable strollers have more problems, such as complex structure and troublesome operation, and particularly, the folding needs to be performed step by step or operated by two hands, and the automatic folding of the stroller frame after the folding and unlocking cannot be realized.

In view of this, the present invention is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding handcart and baby's handcart, its simple structure, and easy operation, when accomodating this folding handcart, can receive fast and close.

The embodiment of the utility model discloses a can realize like this:

in a first aspect, an embodiment provides a folding trolley, which comprises a push rod assembly, a front support assembly, a rear support assembly, a seat rod assembly, a connecting rod assembly and a sliding sleeve assembly, wherein the front support assembly, the rear support assembly and the push rod assembly are connected in a pairwise rotating manner, so that when the folding trolley is stored, the push rod assembly, the front support assembly and the rear support assembly can be folded in a rotating manner;

the front support assembly and the connecting rod assembly are respectively connected with the seat rod assembly in a rotating mode, the sliding sleeve assembly is in sliding fit with the push rod assembly, the sliding sleeve assembly and the rear support assembly are respectively connected with two ends of the connecting rod assembly in a rotating mode, so that when the folding trolley is stored, the sliding sleeve assembly slides on the push rod assembly, the connecting rod assembly and the seat rod assembly rotate, and the folding trolley is stored in a folding mode.

In an optional embodiment, the seat rod assembly includes a first seat rod and a second seat rod, the first seat rod and the second seat rod are disposed opposite to each other, one end of the first seat rod and one end of the second seat rod are respectively connected to the middle portions of the two opposite connecting rods of the connecting rod assembly, and the middle portions of the first seat rod and the second seat rod are respectively connected to the two opposite ends of the front support assembly.

In an optional embodiment, the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are arranged oppositely, the middle part of the first connecting rod and the middle part of the second connecting rod are respectively in one-to-one correspondence with one end of the first seat rod and one end of the second seat rod, one end of the first connecting rod and one end of the second connecting rod are respectively connected with two sliding sleeves, opposite to the sliding sleeve assemblies, in sliding fit with the push rod assemblies in a rotating manner, and the other end of the first connecting rod and the other end of the second connecting rod are respectively connected with two opposite sides of the rear support assembly in a rotating manner.

In an optional implementation manner, the sliding sleeve assembly includes a first sliding sleeve and a second sliding sleeve, the first sliding sleeve and the second sliding sleeve are respectively sleeved on two opposite sides of the push rod assembly and are in sliding fit with the push rod assembly, the first sliding sleeve is rotatably connected with one end of the first connecting rod, which is relatively far away from the rear support assembly, and the second sliding sleeve is rotatably connected with one end of the second connecting rod, which is relatively far away from the rear support assembly.

In optional embodiment, the push rod subassembly includes first slide bar, second slide bar and pushes away a subassembly, first slide bar with the second slide bar sets up relatively, first sliding sleeve with the second sliding sleeve is corresponding the cover respectively one-to-one is located outside first slide bar and the second slide bar to sliding fit, the one end of first slide bar with the one end of second slide bar respectively with push away the both ends that the subassembly is relative and rotate the connection, the other end of first slide bar with the other end of second slide bar respectively with the both ends that the fore-stock subassembly is relative rotate the connection, first slide bar with the tip that the fore-stock subassembly is connected with the tip that the second slide bar with the fore-stock subassembly is connected respectively with the both sides that the back-stock subassembly is relative rotate the connection.

In an optional implementation manner, the pushing handle assembly comprises a pushing piece and an object placing piece, two opposite ends of the pushing piece are respectively rotatably connected with one end, far away from the front support assembly, of the first sliding rod and one end, far away from the front support assembly, of the second sliding rod, two opposite ends of the object placing piece are respectively rotatably connected with two opposite ends, connected with the first sliding rod and the second sliding rod, of the pushing piece in a one-to-one correspondence manner, and two opposite ends of the object placing piece are respectively rotatably connected with a connecting end, connected with the pushing piece, of the first sliding rod and a connecting end, connected with the pushing piece, of the second sliding rod.

In an optional embodiment, the rear support assembly comprises a rear pulley assembly and a rear support, two opposite ends of the rear support are respectively connected with the rear pulley assembly, and one end of the front support assembly, one end of the first slide bar relatively far away from the push handle assembly and one end of the first connecting bar relatively far away from the first slide sleeve are respectively connected with one side of the rear support in a rotating manner;

the other end of the front support assembly, one end of the second sliding rod, which is relatively far away from the push handle assembly, and one end of the second connecting rod, which is relatively far away from the second sliding sleeve, are respectively connected with the other rotating side of the rear support.

In an optional embodiment, the front support assembly includes a front pulley assembly and a front support, the front support is connected to the front pulley assembly, two opposite ends of the front support are respectively and correspondingly rotatably connected to two opposite sides of the rear support one by one, and one end of the first slide bar relatively far away from the push handle assembly and one end of the second slide bar relatively far away from the push handle assembly are respectively and rotatably connected to two ends of the front support and two opposite sides of the rear support.

In an optional embodiment, the hand-push piece, the placing piece, the rear bracket and the front bracket are all in a U shape.

In a second aspect, embodiments provide a baby stroller comprising a folding stroller according to any of the previous embodiments.

The utility model discloses beneficial effect includes: through with preceding support subassembly the back support subassembly with two liang of rotation of push rod subassembly are connected, can be when accomodating this folding handcart, push rod subassembly the preceding support subassembly and the back support subassembly can rotate, can realize accomodating of folding handcart's support, and set up sitting rod subassembly, link assembly and sliding sleeve subassembly to and preceding support subassembly with link assembly respectively with sit the rotation of rod subassembly and connect, sliding sleeve subassembly cover is located outside the push rod subassembly, and with push rod subassembly sliding fit, the sliding sleeve subassembly with the back support subassembly respectively with link assembly's both ends are rotated and are connected, can be when accomodating this folding handcart for the seat part of folding handcart is folded, and simultaneously, this simple structure, it is convenient to receive to close.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a side view schematically illustrating a folding cart according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a foldable trolley according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the foldable trolley according to the embodiment of the present invention when folded;

fig. 4 is a schematic structural view of the folded foldable cart according to the embodiment of the present invention.

Icon: 100-folding a trolley; 110-a pushrod assembly; 120-a front carrier assembly; 130-a rear support assembly; 140-a seat post assembly; 150-a connecting-rod assembly; 160-a sliding sleeve assembly; 111-a first slide bar; 113-a second slide bar; 115-a push handle assembly; 1151-a pusher; 1153-placing the object; 131-a rear bracket; 133-a rear pulley assembly; 1331-a first rear pulley; 1333-a second rear pulley; 121-front support; 123-front pulley assembly; 1231-a first front pulley; 1233 — second front pulley; 161-a first runner; 163-a second sliding sleeve; 151-first link; 153-a second link; 141-a first sitting bar; 143-a second seat post; 145-connecting the seat post; 1311-first rear bar; 1313-second rear bar; 1315-rear bracket connection bar; 1311 a-first end; 1311 b-second end; 1313 a-a third terminal; 1313 b-a fourth end; 1211 — a first front rod; 1213-second front bar; 1215-a front brace connecting rod; 170-a connecting assembly; 171-a first connector; 173-second connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Examples

Referring to fig. 1 and 2, the present embodiment provides a foldable cart 100, which includes a push rod assembly 110, a front support assembly 120 and a rear support assembly 130, wherein the front support assembly 120, the rear support assembly 130 and the push rod assembly 110 are connected in a two-to-two rotatable manner, so that the push rod assembly 110, the front support assembly 120 and the rear support assembly 130 can be rotated together when the foldable cart 100 is stored.

In particular, the push rod assembly 110 is used for a user to impart a pushing force to the folding wagon 100, causing the folding wagon 100 to move. The push rod assembly 110 comprises a first sliding rod 111, a second sliding rod 113 and a push handle assembly 115, the first sliding rod 111 and the second sliding rod 113 are arranged oppositely, one end of the first sliding rod 111 and one end of the second sliding rod 113 are respectively connected with two opposite ends of the push handle assembly 115 in a rotating mode, and then when the folding trolley 100 is stored, the push handle assembly 115 can be rotated, so that the push handle assembly 115 can be relatively close to the first sliding rod 111 and the second sliding rod 113 to rotate, folding of the push rod assembly 110 is achieved, and the space occupied by the folding trolley 100 is reduced.

And the other end of the first slide bar 111 and the other end of the second slide bar 113 are respectively rotatably connected to two opposite ends of the front frame assembly 120, and meanwhile, the end of the first slide bar 111 connected to the front frame assembly 120 and the end of the second slide bar 113 connected to the front frame assembly 120 are respectively rotatably connected to two opposite sides of the rear frame assembly 130, so that when the foldable stroller 100 is stored, the storage frame area can be folded.

Further, referring to fig. 3, push handle assembly 115 includes a hand push 1151 and an object 1153, hand push 1151 is the part that a user pushes hand, and object 1153 is the part that a user puts on or a sun shade may be hung on object 1153 to shade an infant in the lower seat. Opposite ends of a hand pushing piece 1151 are respectively rotatably connected with one end of the first sliding rod 111, which is relatively far away from the front support assembly 120, and one end of the second sliding rod 113, which is relatively far away from the front support assembly 120, respectively, opposite ends of a storage piece 1153 are respectively rotatably connected with opposite ends of the hand pushing piece 1151, which are connected with the first sliding rod 111 and the second sliding rod 113, respectively, in a one-to-one correspondence manner, and opposite ends of the storage piece 1153 are respectively rotatably connected with a connecting end of the first sliding rod 111, which is connected with the hand pushing piece 1151, and a connecting end of the second sliding rod 113, which is connected with the hand pushing piece 1151, respectively, and the hand pushing piece 1151 and the storage piece 1153 are both in a 'U' -shaped structure, so that when the handcart is folded 100, the storage piece 1153 and the hand pushing piece 1151 both rotate in a direction relatively close to the first sliding rod 111 and the second sliding rod 113.

Further, the rear bracket assembly 130 includes a rear bracket 131 and a rear pulley assembly 133, the rear bracket 131 is in a U-shaped structure, opposite ends of the rear bracket 131 are respectively connected to the rear pulley assembly 133, and one end of the front bracket assembly 120 and one end of the first slide bar 111 relatively far away from the handle assembly 115 are respectively rotatably connected to one side of the rear bracket 131.

The other end of the front bracket assembly 120 and one end of the second sliding bar 113, which is relatively far away from the push handle assembly 115, are respectively connected with the other side of the rear bracket 131 in a rotating manner, and then when the front bracket assembly 120, the first sliding bar 111 and the second sliding bar 113 are stored, the front bracket assembly 120, the first sliding bar 111 and the second sliding bar 113 all rotate towards the direction close to the rear bracket 131, and the folding is realized.

Further, the rear bracket 131 includes a first rear rod 1311, a second rear rod 1313, and a rear bracket connecting rod 1315, the first rear rod 1311 and the second rear rod 1313 are disposed opposite to each other, the first rear rod 1311 has a first end 1311a and a second end 1311b opposite to each other, the second rear rod 1313 has a third end 1313a and a fourth end 1313b opposite to each other, the first end 1311a and the third end 1313a are respectively connected to the rear pulley assembly 133, one end of the first slide bar 111 relatively far away from the handle bar assembly 115, one end of the front bracket assembly 120, and one end of the rear bracket connecting rod 1315 are rotatably connected to the second end 1311b, and one end of the second slide bar 113 relatively far away from the handle bar assembly 115, the other end of the front bracket assembly 120, and the other end of the rear bracket connecting rod 1315 are rotatably connected to the fourth end 1313 b.

The rear pulley assembly 133 includes a first rear pulley 1331 and a second rear pulley 1333, the first rear pulley 1331 and the second rear pulley 1333 are respectively connected to two ends of the rear bracket 131, the first rear pulley 1331 is connected to one end of the first rear rod 1311 relatively far away from the rear bracket connecting rod 1315, and the second rear pulley 1333 is connected to one end of the second rear rod 1313 relatively far away from the rear bracket connecting rod 1315, so as to realize the sliding of the folding cart 100.

Further, the front bracket assembly 120 includes a front bracket 121 and a front pulley assembly 123, the front bracket 121 is in a U-shaped structure, the front bracket 121 is connected to the front pulley assembly 123, two opposite ends of the front bracket 121 are respectively connected to two opposite sides of the rear bracket 131 in a one-to-one correspondence manner, that is, two opposite ends of the front bracket 121 are respectively connected to the second end 1311b and the fourth end 1313b, one end of the first slide bar 111 relatively far away from the handle bar assembly 115 and one end of the second slide bar 113 relatively far away from the handle bar assembly 115 are respectively connected to two opposite ends of the front bracket 121 respectively connected to two opposite sides of the front bracket 121 and the rear bracket 131 in a rotation manner, so as to further implement folding.

Specifically, the front bracket 121 includes a first front rod 1211, a second front rod 1213, and a front bracket connecting rod 1215, the front bracket connecting rod 1215 is connected to the front pulley assembly 123, opposite ends of the front bracket connecting rod 1215 are respectively connected to one end of the first front rod 1211 and one end of the second front rod 1213, the other end of the first front rod 1211 is rotatably connected to the second end 1311b, and the other end of the second front rod 1213 is rotatably connected to the fourth end 1313 b.

Further, the front pulley assembly 123 includes a first front pulley 1231 and a second front pulley 1233, and the first front pulley 1231 and the second front pulley 1233 are respectively connected to the front bracket 121, that is, the first front pulley 1231 and the second front pulley 1233 are respectively connected to the front bracket connecting rod 1215, so as to further realize the sliding of the foldable wagon 100.

It should be noted that there are many ways to realize the two-by-two rotational connection of the front bracket assembly 120, the rear bracket assembly 130 and the push rod assembly 110, and this embodiment exemplifies one of them, for example, including a connecting member assembly, where two opposite ends of the connecting member assembly are respectively rotationally connected with one end of the front bracket assembly 120 and one end of the push rod assembly 110, and the rear bracket assembly 130 is rotationally connected with the middle part of the connecting member 170.

Specifically, the connecting assembly 170 includes a first connecting member 171 and a second connecting member 173, opposite ends of the first connecting member 171 are respectively connected to an end of the first front rod 1211, which is relatively far away from the front frame connecting rod 1215, and an end of the first sliding rod 111, which is relatively far away from the handle pushing assembly 115, a second end 1311b is connected to a middle portion of the first connecting member 171, opposite ends of the second connecting member 173 are respectively connected to an end of the second front rod 1213, which is relatively far away from the front frame connecting rod 1215, and an end of the second sliding rod 113, which is relatively far away from the handle pushing assembly 115, and a fourth end 1313b is rotatably connected to a middle portion of the first connecting member 171.

Further, the foldable stroller 100 further comprises a seat rod assembly 140, a connecting rod assembly 150 and a sliding sleeve assembly 160, wherein the front support assembly 120 and the connecting rod assembly 150 are respectively rotatably connected to the seat rod assembly 140, the sliding sleeve assembly 160 is slidably engaged with the push rod assembly 110, and the sliding sleeve assembly 160 and the rear support assembly 130 are respectively rotatably connected to two ends of the connecting rod assembly 150, such that when the foldable stroller 100 is stowed, the sliding sleeve assembly 160 slides on the push rod assembly 110, and the connecting rod assembly 150 and the seat rod assembly 140 are then rotated, such that the foldable stroller 100 is stowed.

The sliding sleeve assembly 160 and the push rod assembly 110 may be slidably engaged, for example, the sliding sleeve assembly 160 may be sleeved outside the push rod assembly 110, or a groove may be formed in the push rod assembly 110, and then the sliding sleeve assembly 160 is disposed in the groove, i.e., may slide, or other manners that the sliding sleeve assembly 160 and the push rod assembly 110 may be slidably engaged.

In the embodiment, for example, the sliding sleeve assembly 160 is sleeved outside the push rod assembly 110, the sliding sleeve assembly 160 includes a first sliding sleeve 161 and a second sliding sleeve 163, the first sliding sleeve 161 is sleeved outside the first sliding rod 111, the second sliding sleeve 163 is sleeved outside the second sliding rod 113, then the first sliding sleeve 161 and the second sliding sleeve 163 are respectively in one-to-one sliding fit with the first sliding rod 111 and the second sliding rod 113, and the first sliding sleeve 161 and the second sliding sleeve 163 are respectively connected to the end of the connecting rod assembly 150 relatively far away from the rear bracket assembly 130 in a rotating manner.

The sliding manner (not shown) can be realized by using grooves, wherein grooves are respectively formed on one sides of the first sliding rod 111 and the second sliding rod 113, which are relatively close to the rear support assembly 130, and then the first sliding sleeve 161 and the second sliding sleeve 163 are respectively and correspondingly arranged in the sliding grooves of the first sliding rod 111 and the second sliding rod 113 one by one, and then the sliding fit between the first sliding sleeve 161 and the first sliding rod 111 and the sliding fit between the second sliding sleeve 163 and the second sliding rod 113 are realized.

Further, the link assembly 150 includes a first link 151 and a second link 153, the first link 151 and the second link 153 are disposed opposite to each other, opposite ends of the first link 151 are rotatably connected to the first sliding sleeve 161 and the rear bracket 131, specifically, to a middle portion of the first rear rod 1311 of the rear bracket 131, opposite ends of the second link 153 are rotatably connected to the second sliding sleeve 163 and the rear bracket 131, specifically, to a middle portion of the second rear rod 1313 of the rear bracket 131, and a middle portion of the first link 151 and an opposite end of the second link 153 are respectively connected to opposite ends of the lever assembly 140. Then, when the foldable stroller 100 is folded, the first sliding sleeve 161 and the second sliding sleeve 163 both slide in a direction relatively far away from the front bracket 121, and then the push rod assembly 110 can be driven to rotate towards a side relatively close to the rear bracket 131, so as to realize folding.

Further specifically, referring to fig. 3 and 4, the seat lever assembly 140 includes a first seat lever 141 and a second seat lever 143, the first seat lever 141 and the second seat lever 143 are disposed opposite to each other, one end of the first seat lever 141 is rotatably connected to a middle portion of the first link 151, the middle portion of the first seat lever 141 is rotatably connected to the front bracket 121, that is, to one end of the first front lever 1211 of the front bracket 121 relatively far from the front pulley assembly 123, one end of the second seat lever 143 is rotatably connected to a middle portion of the second link 153, and the middle portion of the second seat lever 143 is rotatably connected to the front bracket 121, that is, to one end of the second front lever 1213 of the front bracket 121 relatively far from the front pulley assembly 123, so that when the folding cart 100 is folded, the first seat lever 141 and the second seat lever 143 can rotate in a direction relatively close to the push rod assembly 110, thereby achieving the storage and folding of the seat lever assembly 140.

Further, a connecting seat rod 145 is further arranged between the first seat rod 141 and the second seat rod 143, and two ends of the connecting seat rod are respectively connected with the middle of the first seat rod 141 and the middle of the second seat rod 143, so as to further ensure the stability of the structure of the foldable trolley 100 and ensure the safety and stability of the user when the user sits.

Further, the first seat lever 141 and the second seat lever 143 are both rod-shaped structures having an arc shape, and one end having an arc shape is connected to the link assembly 150, which is beneficial to ensuring the structural stability.

It should be noted that the rotation connection described in the embodiments of the present invention is a structure that can realize relative rotation between two components in the prior art, such as hinge connection.

According to the present embodiment, a foldable trolley 100 is provided, the foldable trolley 100 operating according to the following principle: when it is desired to store the foldable stroller 100, the hand pushing member 1151 is rotated such that the hand pushing member 1151 is relatively close to the first sliding bar 111 and the second sliding bar 113, and at the same time, the object 1153 is also relatively close to the first sliding bar 111 and the second sliding bar 113. The first sliding sleeve 161 and the second sliding sleeve 163 slide on the first sliding rod 111 and the second sliding rod 113 respectively, and then drive the first connecting rod 151 and the second connecting rod 153 to rotate, and the first connecting rod 151 and the second connecting rod 153 drive the first seat rod 141 and the second seat rod 143 to rotate respectively, and the first seat rod 141 and the second seat rod 143 drive the front support 121 to rotate relatively close to the rear support 131, so as to realize folding storage.

When it is desired to use the foldable wagon 100, i.e., to unfold the foldable wagon 100 in a folded state, the hand push 1151 is rotated such that the hand push 1151 is relatively away from the first and second runners 111, 113, i.e., such that the hand push 1151 and the object 1153 are unfolded. Meanwhile, the second sliding sleeve 163 and the first sliding sleeve 161 slide on the first sliding rod 111 and the second sliding rod 113 respectively towards a side relatively close to the front bracket 121, and then drive the first connecting rod 151 and the second connecting rod 153 to rotate, and then the first connecting rod 151 and the second connecting rod 153 drive the first seat rod 141 and the second seat rod 143 to rotate, so that the front bracket 121 is relatively far away from the rear bracket 131 to rotate, and then the folding cart 100 is unfolded.

The present embodiment also provides a stroller comprising the folding stroller 100 described above.

To sum up, through with preceding carriage assembly the back carriage assembly with push rod assembly two liang of rotation are connected, can be when accomodating this folding handcart, push rod assembly the preceding carriage assembly and back carriage assembly can rotate, can realize accomodating of folding handcart's support, and set up sitting rod assembly, link assembly and sliding sleeve assembly to and preceding carriage assembly with link assembly respectively with sit the rotation of rod assembly and be connected, sliding sleeve assembly cover is located outside the push rod assembly, and with push rod assembly sliding fit, sliding sleeve assembly with back carriage assembly respectively with link assembly's both ends are rotated and are connected, can be when accomodating this folding handcart for folding handcart's seat part is folded, and simultaneously, this simple structure, it is convenient to receive to close. Meanwhile, the rear support can be pulled after being folded, so that a user can conveniently drag the bicycle, and the portability of the bicycle is improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A folding trolley is characterized by comprising a push rod assembly, a front support assembly, a rear support assembly, a seat rod assembly, a connecting rod assembly and a sliding sleeve assembly, wherein the front support assembly, the rear support assembly and the push rod assembly are connected in a pairwise rotating manner, so that when the folding trolley is stored, the push rod assembly, the front support assembly and the rear support assembly can be folded in a rotating manner;

the front support assembly and the connecting rod assembly are respectively connected with the seat rod assembly in a rotating mode, the sliding sleeve assembly is in sliding fit with the push rod assembly, the sliding sleeve assembly and the rear support assembly are respectively connected with two ends of the connecting rod assembly in a rotating mode, so that when the folding trolley is stored, the sliding sleeve assembly slides on the push rod assembly, the connecting rod assembly and the seat rod assembly rotate, and the folding trolley is stored in a folding mode.

2. A folding stroller according to claim 1, wherein said seat bar assembly comprises a first seat bar and a second seat bar, said first seat bar and said second seat bar being disposed opposite to each other, one end of said first seat bar and one end of said second seat bar being connected to the middle of two opposite links of said link assembly, respectively, and the middle of said first seat bar and the middle of said second seat bar being connected to two opposite ends of said front frame assembly, respectively.

3. The folding stroller of claim 2, wherein the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are oppositely arranged, the middle parts of the first connecting rod and the second connecting rod are respectively connected with one end of the first seat rod and one end of the second seat rod in a one-to-one correspondence manner, one end of the first connecting rod and one end of the second connecting rod are respectively rotatably connected with two sliding sleeves, which are opposite to the sliding sleeve assemblies and are in sliding fit with the push rod assemblies, and the other end of the first connecting rod and the other end of the second connecting rod are respectively rotatably connected with two opposite sides of the rear bracket assembly.

4. The folding stroller of claim 3, wherein the sliding sleeve assembly comprises a first sliding sleeve and a second sliding sleeve, the first sliding sleeve and the second sliding sleeve are respectively sleeved on two opposite sides of the push rod assembly and are in sliding fit with the push rod assembly, the first sliding sleeve is rotatably connected with one end of the first connecting rod relatively far away from the rear support assembly, and the second sliding sleeve is rotatably connected with one end of the second connecting rod relatively far away from the rear support assembly.

5. The folding handcart of claim 4, wherein the push rod assembly comprises a first slide bar, a second slide bar and a push handle assembly, the first slide bar and the second slide bar are arranged oppositely, the first sliding sleeve and the second sliding sleeve are respectively sleeved outside the first slide bar and the second slide bar in a one-to-one correspondence manner and are in sliding fit, one end of the first slide bar and one end of the second slide bar are respectively and rotatably connected with two opposite ends of the push handle assembly, the other end of the first slide bar and the other end of the second slide bar are respectively and rotatably connected with two opposite ends of the front support assembly, and the end part of the first slide bar connected with the front support assembly and the end part of the second slide bar connected with the front support assembly are respectively and rotatably connected with two opposite sides of the rear support assembly.

6. The foldable stroller of claim 5, wherein the handle assembly comprises a handle and a holder, opposite ends of the handle are rotatably connected to an end of the first slide bar opposite to the front frame assembly and an end of the second slide bar opposite to the front frame assembly, respectively, opposite ends of the holder are rotatably connected to opposite ends of the handle connected to the first slide bar and the second slide bar, respectively, in a one-to-one correspondence manner, and opposite ends of the holder are rotatably connected to a connecting end of the first slide bar connected to the handle and a connecting end of the second slide bar connected to the handle, respectively.

7. The folding cart of claim 6, wherein said rear frame assembly includes a rear pulley assembly and a rear frame, opposite ends of said rear frame being respectively connected to said rear pulley assembly, an end of said front frame assembly, an end of said first slide bar opposite to said push handle assembly, and an end of said first link opposite to said first slide bar being respectively rotatably connected to a side of said rear frame;

the other end of the front support assembly, one end of the second sliding rod, which is relatively far away from the push handle assembly, and one end of the second connecting rod, which is relatively far away from the second sliding sleeve, are respectively connected with the other rotating side of the rear support.

8. The folding stroller of claim 7, wherein said front frame assembly includes a front pulley assembly and a front frame, said front frame is connected to said front pulley assembly, opposite ends of said front frame are rotatably connected to opposite sides of said rear frame in a one-to-one correspondence, respectively, and an end of said first slide bar relatively distant from said handle bar assembly and an end of said second slide bar relatively distant from said handle bar assembly are rotatably connected to opposite ends of said front frame connected to opposite sides of said rear frame, respectively.

9. A folding trolley according to any one of claims 6-8, characterized in that the handle member, the placement member, the rear bracket and the front bracket are all "U" shaped.

10. A baby trolley, characterized in that it comprises a folding trolley according to any one of claims 1-9.

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