Folding strollers and baby buggies

Abstract

The present invention relates to the field of folding strollers, and in particular, to a folding stroller and a baby stroller. The folding stroller comprises a push rod assembly, a front bracket assembly, a rear bracket assembly, a seat rod assembly, a connecting rod assembly and a sleeve assembly. The front bracket assembly and the connecting rod assembly are respectively connected to the seat rod assembly for rotation, the sleeve assembly and the rear bracket assembly are respectively connected to the two ends of the connecting rod assembly for rotation, so that when the folding stroller is stored, the sleeve assembly slides on the push rod assembly, and then the connecting rod assembly and the seat rod assembly rotate, so that the folding stroller is folded and stored. The structure is simple, easy to fold, and convenient for users to operate.

Description

Technical Field

[0001] The present invention relates to the field of foldable strollers, in particular to a foldable stroller and a baby stroller. Background Art

[0002] Among baby strollers, foldable strollers are more popular. When not in use, they can be folded and stored to reduce the space occupied by the stroller. When needed, they can be unfolded. However, many existing foldable strollers still have many problems, such as complex structures and troublesome operations. In particular, folding requires steps or two-handed operation, and the frame cannot be automatically folded after folding and unlocking.

[0003] In view of this, the present invention is proposed. Summary of the invention

[0004] The objects of the present invention include, for example, providing a folding stroller and a baby stroller, which have a simple structure and are easy to operate, and can be quickly folded when the folding stroller is stored.

[0005] The embodiments of the present invention can be implemented as follows:

[0006] In a first aspect, an embodiment provides a folding trolley, comprising a push rod assembly, a front bracket assembly, a rear bracket assembly, a seat rod assembly, a connecting rod assembly and a sliding sleeve assembly, wherein the front bracket assembly, the rear bracket assembly and the push rod assembly are rotatably connected in pairs, so that when the folding trolley is stored, the push rod assembly, the front bracket assembly and the rear bracket assembly can be rotated and closed;

[0007] The front bracket assembly and the connecting rod assembly are respectively rotatably connected to the seat rod assembly, the sliding sleeve assembly is slidably matched with the push rod assembly, and the sliding sleeve assembly and the rear bracket assembly are respectively rotatably connected to both ends of the connecting rod assembly, so that when the folding trolley is stored, the sliding sleeve assembly slides on the push rod assembly, and then the connecting rod assembly and the seat rod assembly are rotated, so that the folding trolley is folded and stored.

[0008] 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 arranged 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 parts of two opposite connecting rods of the connecting rod assembly, and the middle part of the first seat rod and the middle part of the second seat rod are respectively connected to the opposite ends of the front bracket assembly.

[0009] In an optional embodiment, the connecting rod assembly includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are arranged opposite to each other, the middle portion of the first connecting rod and the middle portion of the second connecting rod are respectively connected to one end of the first seat rod and one end of the second seat rod in a one-to-one manner, one end of the first connecting rod and one end of the second connecting rod are respectively rotatably connected to two sliding sleeves opposite to the sliding sleeve assembly and slidingly matched with the push rod assembly, and the other end of the first connecting rod and the other end of the second connecting rod are respectively rotatably connected to two opposite sides of the rear bracket assembly.

[0010] In an optional embodiment, 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 arranged on opposite sides of the push rod assembly and slidingly cooperate with the push rod assembly, the first sliding sleeve is rotatably connected to an end of the first connecting rod relatively away from the rear bracket assembly, and the second sliding sleeve is rotatably connected to an end of the second connecting rod relatively away from the rear bracket assembly.

[0011] In an optional embodiment, the push rod assembly includes a first slide bar, a second slide bar and a push handle assembly, the first slide bar and the second slide bar are arranged opposite to each other, the first sliding sleeve and the second sliding sleeve are respectively and one-to-one mounted outside the first slide bar and the second slide bar, and slidably cooperate, one end of the first slide bar and one end of the second slide bar are respectively rotatably connected to the 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 rotatably connected to the opposite ends of the front bracket assembly, the end of the first slide bar connected to the front bracket assembly and the end of the second slide bar connected to the front bracket assembly are respectively rotatably connected to the opposite sides of the rear bracket assembly.

[0012] In an optional embodiment, the push handle assembly includes a push piece and a storage piece, and the opposite ends of the push piece are respectively rotatably connected to one end of the first slide bar relatively far away from the front bracket assembly and one end of the second slide bar relatively far away from the front bracket assembly, and the opposite ends of the storage piece are respectively rotatably connected to the opposite ends of the push piece connected to the first slide bar and the second slide bar in a one-to-one correspondence, and the opposite ends of the storage piece are respectively rotatably connected to the connection end of the first slide bar connected to the push piece and the connection end of the second slide bar connected to the push piece.

[0013] In an optional embodiment, the rear bracket assembly includes a rear pulley assembly and a rear bracket, the opposite ends of the rear bracket are respectively connected to the rear pulley assembly, and one end of the front bracket assembly, one end of the first slide rod relatively far away from the push handle assembly, and one end of the first connecting rod relatively far away from the first slide sleeve are respectively rotatably connected to one side of the rear bracket;

[0014] The other end of the front bracket assembly, one end of the second sliding rod relatively far from the push handle assembly and one end of the second connecting rod relatively far from the second sliding sleeve are respectively connected to the other side of the rear bracket rotation.

[0015] In an optional embodiment, the front bracket assembly includes a front pulley assembly and a front bracket, the front bracket is connected to the front pulley assembly, the opposite ends of the front bracket are respectively rotatably connected to the opposite sides of the rear bracket in a one-to-one correspondence, and one end of the first sliding rod relatively away from the push handle assembly and one end of the second sliding rod relatively away from the push handle assembly are respectively rotatably connected to the two ends connected to the opposite sides of the front bracket and the rear bracket.

[0016] In an optional embodiment, the push piece, the storage piece, the rear bracket and the front bracket are all in a "U" shape.

[0017] In a second aspect, an embodiment provides a baby stroller, which includes the folding stroller described in any one of the aforementioned embodiments.

[0018] The beneficial effects of the embodiments of the present invention include: by rotatably connecting the front bracket assembly, the rear bracket assembly and the push rod assembly in pairs, the push rod assembly, the front bracket assembly and the rear bracket assembly can be rotated when the folding trolley is stored, so that the bracket of the folding trolley can be stored, and a seat rod assembly, a connecting rod assembly and a sliding sleeve assembly are provided, and the front bracket assembly and the connecting rod assembly are respectively rotatably connected to the seat rod assembly, the sliding sleeve assembly is sleeved outside the push rod assembly and slidably cooperates with the push rod assembly, the sliding sleeve assembly and the rear bracket assembly are respectively rotatably connected to the two ends of the connecting rod assembly, so that the seat part of the folding trolley can be folded when the folding trolley is stored, and at the same time, the structure is simple and easy to fold. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A schematic structural diagram of a foldable trolley provided in a side view according to an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the structure of a foldable trolley provided in an embodiment of the present invention;

[0022] Figure 3A schematic diagram of the structure of the foldable trolley provided by an embodiment of the present invention when folded;

[0023] Figure 4 This is a schematic diagram of the structure of the foldable trolley provided in an embodiment of the present invention after being folded.

[0024] Icons: 100-folding trolley; 110-push rod assembly; 120-front bracket assembly; 130-rear bracket assembly; 140-seat rod assembly; 150-connecting rod assembly; 160-slide assembly; 111-first slide bar; 113-second slide bar; 115-push handle assembly; 1151-hand push piece; 1153-object storage piece; 131-rear bracket; 133-rear pulley assembly; 1331-first rear pulley; 1333-second rear pulley; 121-front bracket; 123-front pulley assembly; 1231-first front pulley; 1233-second front pulley; 1 61-first sliding sleeve; 163-second sliding sleeve; 151-first connecting rod; 153-second connecting rod; 141-first sitting rod; 143-second sitting rod; 145-connecting sitting rod; 1311-first rear rod; 1313-second rear rod; 1315-rear support connecting rod; 1311a-first end; 1311b-second end; 1313a-third end; 1313b-fourth end; 1211-first front rod; 1213-second front rod; 1215-front support connecting rod; 170-connecting assembly; 171-first connecting member; 173-second connecting member. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0030] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0031] Example

[0032] Please refer to Figure 1 and 2 The present embodiment provides a folding trolley 100, which includes a push rod assembly 110, a front bracket assembly 120 and a rear bracket assembly 130. The front bracket assembly 120 and the rear bracket assembly 130 are rotatably connected to the push rod assembly 110 in pairs, so that when the folding trolley 100 is stored, the push rod assembly 110, the front bracket assembly 120 and the rear bracket assembly 130 can be rotated and closed.

[0033] Specifically, the push rod assembly 110 is used for the user to give the folding trolley 100 a pushing force, so that the folding trolley 100 moves. The push rod assembly 110 includes a first slide bar 111, a second slide bar 113 and a push handle assembly 115. The first slide bar 111 and the second slide bar 113 are arranged opposite to each other, and one end of the first slide bar 111 and one end of the second slide bar 113 are respectively rotatably connected to the opposite ends of the push handle assembly 115. 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 slide bar 111 and the second slide bar 113, and then the push rod assembly 110 is folded, reducing the space occupied by the folding trolley 100.

[0034] The other end of the first slide bar 111 and the other end of the second slide bar 113 are rotatably connected to the two opposite ends of the front bracket assembly 120 respectively. At the same time, the end of the first slide bar 111 connected to the front bracket assembly 120 and the end of the second slide bar 113 connected to the front bracket assembly 120 are rotatably connected to the two opposite sides of the rear bracket assembly 130 respectively. Then, when the folding trolley 100 is stored, the storage bracket area can be folded.

[0035] Further, see Figure 3The handle assembly 115 includes a push piece 1151 and a storage piece 1153. The push piece 1151 is a part pushed by the user, and the storage piece 1153 is used to place the user's items or a sunshade can be hung on the storage piece 1153 to provide shade for the baby in the seat below. The opposite ends of the push piece 1151 are rotatably connected to one end of the first slide bar 111 relatively away from the front bracket assembly 120 and one end of the second slide bar 113 relatively away from the front bracket assembly 120, and the opposite ends of the object placement piece 1153 are rotatably connected to the opposite ends of the push piece 1151 connected to the first slide bar 111 and the second slide bar 113 respectively, and the opposite ends of the object placement piece 1153 are rotatably connected to the connecting end of the first slide bar 111 connected to the push piece 1151 and the connecting end of the second slide bar 113 connected to the push piece 1151, and the shapes of the push piece 1151 and the object placement piece 1153 are both "U"-shaped structures. When the trolley 100 is folded, the object placement piece 1153 and the push piece 1151 are both rotated in a direction relatively close to the first slide bar 111 and the second slide bar 113, thereby realizing the folding of the handle assembly 115.

[0036] Furthermore, the rear bracket assembly 130 includes a rear bracket 131 and a rear pulley assembly 133. The rear bracket 131 is shaped as a "U" structure. The opposite ends of the rear bracket 131 are respectively connected to the rear pulley assembly 133. One end of the front bracket assembly 120 and one end of the first slide bar 111 relatively away from the push handle assembly 115 are respectively rotatably connected to one side of the rear bracket 131.

[0037] The other end of the front bracket assembly 120 and the end of the second slide bar 113 that is relatively far away from the push handle assembly 115 are respectively rotatably connected to the other side of the rear bracket 131. Then, when folding, the front bracket assembly 120, the first slide bar 111 and the second slide bar 113 are all rotated toward the direction close to the rear bracket 131 to achieve folding.

[0038] Furthermore, 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 arranged opposite to each other. The first rear rod 1311 has a first end 1311a and a second end 1311b opposite to each other, and 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, and one end of the first sliding rod 111 relatively away from the handle assembly 115, one end of the front bracket assembly 120 and one end of the rear bracket connecting rod 1315 are all rotatably connected to the second end 1311b, and one end of the second sliding rod 113 relatively away from the handle assembly 115, the other end of the front bracket assembly 120 and the other end of the rear bracket connecting rod 1315 are all rotatably connected to the fourth end 1313b.

[0039] The rear pulley assembly 133 includes a first rear pulley 1331 and a second rear pulley 1333, and the first rear pulley 1331 and the second rear pulley 1333 are respectively connected to the two ends of the rear bracket 131, the first rear pulley 1331 is connected to an end of the first rear rod 1311 relatively away from the rear bracket connecting rod 1315, and the second rear pulley 1333 is connected to an end of the second rear rod 1313 relatively away from the rear bracket connecting rod 1315, so as to realize the sliding of the folding trolley 100.

[0040] Furthermore, the front bracket assembly 120 includes a front bracket 121 and a front pulley assembly 123. The front bracket 121 is shaped as a "U" structure. The front bracket 121 is connected to the front pulley assembly 123. The opposite ends of the front bracket 121 are rotatably connected to the opposite sides of the rear bracket 131 respectively, that is, the opposite ends of the front bracket 121 are connected to the second end 1311b and the fourth end 1313b respectively, and one end of the first sliding rod 111 relatively far away from the push handle assembly 115 and one end of the second sliding rod 113 relatively far away from the push handle assembly 115 are rotatably connected to the two ends of the front bracket 121 connected to the opposite sides of the front bracket 121 and the rear bracket 131 respectively, to further achieve folding.

[0041] 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, the 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 1313b.

[0042] Furthermore, 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, thereby further realizing the sliding of the folding trolley 100.

[0043] It should be noted that there are many ways to realize the rotational connection between the front bracket assembly 120, the rear bracket assembly 130 and the push rod assembly 110. This embodiment lists one of them, for example, including a connecting member assembly, the opposite ends of the connecting member assembly are respectively rotationally connected to 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 to the middle part of the connecting assembly 170.

[0044] Specifically, the connecting component 170 includes a first connecting member 171 and a second connecting member 173. The opposite ends of the first connecting member 171 are respectively connected to one end of the first front rod 1211 relatively away from the front bracket connecting rod 1215 and one end of the first sliding rod 111 relatively away from the handle assembly 115. The second end 1311b is connected to the middle part of the first connecting member 171. The opposite ends of the second connecting member 173 are respectively connected to one end of the second front rod 1213 relatively away from the front bracket connecting rod 1215 and one end of the second sliding rod 113 relatively away from the handle assembly 115. The fourth end 1313b is rotatably connected to the middle part of the first connecting member 171. The above-mentioned rotational connection is more conducive to folding.

[0045] Furthermore, the folding trolley 100 also includes a seat rod assembly 140, a connecting rod assembly 150 and a sliding sleeve assembly 160. The front bracket 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 matched with the push rod assembly 110, and the sliding sleeve assembly 160 and the rear bracket assembly 130 are respectively rotatably connected to both ends of the connecting rod assembly 150, so that when the folding trolley 100 is stored, the sliding sleeve assembly 160 slides on the push rod assembly 110, and then the connecting rod assembly 150 and the seat rod assembly 140 are rotated, so that the folding trolley 100 can be folded and stored.

[0046] There are many ways to achieve sliding cooperation between the sleeve assembly 160 and the push rod assembly 110. For example, the sleeve assembly 160 can be sleeved on the outside of the push rod assembly 110, or a groove can be opened on the push rod assembly 110, and then the sleeve assembly 160 is set in the groove, that is, it can slide, or other ways can be used to achieve sliding cooperation between the sleeve assembly 160 and the push rod assembly 110.

[0047] In this embodiment, the sleeve assembly 160 is sleeved outside the push rod assembly 110 as an example. The sleeve assembly 160 includes a first sleeve 161 and a second sleeve 163. The first sleeve 161 is sleeved outside the first slide bar 111, and the second sleeve 163 is sleeved outside the second slide bar 113. Then, the first sleeve 161 and the second sleeve 163 are slidably matched with the first slide bar 111 and the second slide bar 113 respectively in a one-to-one correspondence. The first sleeve 161 and the second sleeve 163 are respectively rotatably connected to the ends of the connecting rod assembly 150 relatively away from the rear bracket assembly 130.

[0048] The method of using grooves to achieve sliding (not shown) can be that grooves are respectively opened on the side of the first sliding bar 111 and the second sliding bar 113 relatively close to the rear bracket assembly 130, and then the first sliding sleeve 161 and the second sliding sleeve 163 are respectively arranged in the grooves in which the first sliding bar 111 and the second sliding bar 113 slide, and then the sliding cooperation between the first sliding sleeve 161 and the first sliding bar 111 and the sliding cooperation between the second sliding sleeve 163 and the second sliding bar 113 are achieved.

[0049] Further, the connecting rod assembly 150 includes a first connecting rod 151 and a second connecting rod 153, the first connecting rod 151 and the second connecting rod 153 are arranged opposite to each other, the opposite ends of the first connecting rod 151 are respectively connected to the first sliding sleeve 161 and the rear bracket 131, specifically, they are connected to the middle of the first rear rod 1311 of the rear bracket 131, the opposite ends of the second connecting rod 153 are respectively connected to the second sliding sleeve 163 and the rear bracket 131, specifically, they are connected to the middle of the second rear rod 1313 of the rear bracket 131, and the middle of the first connecting rod 151 and the middle of the second connecting rod 153 are respectively connected to the opposite ends of the rod assembly 140. Then, when the folding trolley 100 is folded, the first sliding sleeve 161 and the second sliding sleeve 163 both slide in a direction relatively away from the front bracket 121, and then can drive the push rod assembly 110 to rotate toward a side relatively close to the rear bracket 131, so as to achieve folding.

[0050] More specifically, see Figure 3 and Figure 4 The seat rod assembly 140 includes a first seat rod 141 and a second seat rod 143, the first seat rod 141 and the second seat rod 143 are arranged opposite to each other, one end of the first seat rod 141 is rotatably connected to the middle part of the first connecting rod 151, the middle part of the first seat rod 141 is rotatably connected to the front bracket 121, that is, it is rotatably connected to the end of the first front rod 1211 of the front bracket 121 relatively away from the front pulley assembly 123, one end of the second seat rod 143 is rotatably connected to the middle part of the second connecting rod 153, the middle part of the second seat rod 143 is rotatably connected to the front bracket 121, that is, it is rotatably connected to the end of the second front rod 1213 of the front bracket 121 relatively away from the front pulley assembly 123, and then when the folding trolley 100 is folded, the first seat rod 141 and the second seat rod 143 can be rotated in a direction relatively close to the push rod assembly 110, thereby realizing the storage and folding of the seat rod assembly 140.

[0051] Furthermore, a connecting seat rod 145 is provided between the first seat rod 141 and the second seat rod 143, and both ends of the connecting seat rod are respectively connected to the middle part of the first seat rod 141 and the middle part of the second seat rod 143, further ensuring the structural stability of the folding trolley 100, and also ensuring the safety and stability of the user when riding.

[0052] Furthermore, both the first seat rod 141 and the second seat rod 143 are arc-shaped rod-shaped structures, and one end relatively having the arc is connected to the connecting rod assembly 150, which is beneficial to ensure the stability of the structure.

[0053] It should be noted that the rotation connection described in the embodiment of the present invention is a structure in the prior art that allows two components to achieve relative rotation, such as a hinge.

[0054] According to the foldable trolley 100 provided in this embodiment, the working principle of the foldable trolley 100 is as follows: when the foldable trolley 100 needs to be stored, the hand push member 1151 is rotated so that the hand push member 1151 is relatively close to the first slide bar 111 and the second slide bar 113, and at the same time, the object placement member 1153 is also relatively close to the first slide bar 111 and the second slide bar 113. The first sliding sleeve 161 and the second sliding sleeve 163 slide on the first slide bar 111 and the second slide bar 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 respectively drive the first sitting rod 141 and the second sitting rod 143 to rotate, and the first sitting rod 141 and the second sitting rod 143 drive the front bracket 121 to rotate relatively close to the rear bracket 131, and then achieve folding and storage.

[0055] When the folding trolley 100 is to be used, that is, when the folded folding trolley 100 is to be unfolded, the hand pusher 1151 is rotated so that the hand pusher 1151 is relatively far away from the first slide bar 111 and the second slide bar 113, that is, the hand pusher 1151 and the object storage member 1153 are unfolded. At the same time, the second sliding sleeve 163 and the first sliding sleeve 161 slide on the first slide bar 111 and the second slide bar 113 respectively toward the 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 respectively drive the first sitting rod 141 and the second sitting rod 143 to rotate, and then the front bracket 121 is relatively far away from the rear bracket 131, and then the folding trolley 100 is unfolded.

[0056] This embodiment further provides a baby stroller, which includes the folding stroller 100 described above.

[0057] In summary, by rotatably connecting the front bracket assembly, the rear bracket assembly and the push rod assembly in pairs, the push rod assembly, the front bracket assembly and the rear bracket assembly can be rotated when the folding trolley is stored, so that the bracket of the folding trolley can be stored, and the seat rod assembly, the connecting rod assembly and the sliding sleeve assembly are provided, and the front bracket assembly and the connecting rod assembly are respectively rotatably connected to the seat rod assembly, the sliding sleeve assembly is sleeved outside the push rod assembly and slidably cooperates with the push rod assembly, and the sliding sleeve assembly and the rear bracket assembly are respectively rotatably connected to the two ends of the connecting rod assembly, so that the seat part of the folding trolley can be folded when the folding trolley is stored, and at the same time, the structure is simple and easy to fold. At the same time, after folding, the rear bracket can also be pulled, which is convenient for users to drag and improve its portability.

[0058] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A folding trolley, characterized in that: It comprises a push rod assembly, a front bracket assembly, a rear bracket assembly, a seat rod assembly, a connecting rod assembly and a sliding sleeve assembly, wherein the front bracket assembly, the rear bracket assembly and the push rod assembly are rotatably connected in pairs, so that when the folding trolley is stored, the push rod assembly, the front bracket assembly and the rear bracket assembly can be rotated and closed; The front bracket assembly and the connecting rod assembly are respectively rotatably connected to the seat rod assembly, the sliding sleeve assembly is slidably matched with the push rod assembly, and the sliding sleeve assembly and the rear bracket assembly are respectively rotatably connected to both ends of the connecting rod assembly, so that when the folding trolley is stored, the sliding sleeve assembly slides on the push rod assembly, and then the connecting rod assembly and the seat rod assembly are rotated, so that the folding trolley is folded and stored; The seat rod assembly comprises a first seat rod and a second seat rod, the first seat rod and the second seat rod are arranged 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 parts of two opposite connecting rods of the connecting rod assembly, and the middle part of the first seat rod and the middle part of the second seat rod are respectively connected to two opposite ends of the front bracket assembly; 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 opposite to each other, the middle part of the first connecting rod and the middle part of the second connecting rod are respectively connected to one end of the first sitting rod and one end of the second sitting rod in a one-to-one correspondence, one end of the first connecting rod and one end of the second connecting rod are respectively rotatably connected to two sliding sleeves of the sliding sleeve assembly that are opposite to the pushing rod assembly and slidably matched, and the other end of the first connecting rod and the other end of the second connecting rod are respectively rotatably connected to two opposite sides of the rear bracket assembly; 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 opposite sides of the push rod assembly and slidably matched with the push rod assembly, the first sliding sleeve is rotatably connected to an end of the first connecting rod relatively far away from the rear bracket assembly, and the second sliding sleeve is rotatably connected to an end of the second connecting rod relatively far away from the rear bracket assembly; The push rod assembly includes a first slide bar, a second slide bar and a push handle assembly, the first slide bar and the second slide bar are arranged opposite to each other, the first slide sleeve and the second slide sleeve are respectively and one-to-one sleeved outside the first slide bar and the second slide bar, and slidably cooperate with each other, one end of the first slide bar and one end of the second slide bar are respectively rotatably connected to the 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 rotatably connected to the two opposite ends of the front bracket assembly, the end portion of the first slide bar connected to the front bracket assembly and the end portion of the second slide bar connected to the front bracket assembly are respectively rotatably connected to the two opposite sides of the rear bracket assembly; The push handle assembly includes a push piece and a storage piece, and the opposite ends of the push piece are rotatably connected to one end of the first slide bar relatively far away from the front bracket assembly and one end of the second slide bar relatively far away from the front bracket assembly, and the opposite ends of the storage piece are rotatably connected to the opposite ends of the push piece connected to the first slide bar and the second slide bar in a one-to-one correspondence, and the opposite ends of the storage piece are rotatably connected to the connection end of the first slide bar connected to the push piece and the connection end of the second slide bar connected to the push piece.

2. The foldable trolley according to claim 1, characterized in that: The rear bracket assembly includes a rear pulley assembly and a rear bracket, the opposite ends of the rear bracket are respectively connected to the rear pulley assembly, one end of the front bracket assembly, one end of the first slide rod relatively far from the push handle assembly, and one end of the first connecting rod relatively far from the first slide sleeve are respectively rotatably connected to one side of the rear bracket; The other end of the front bracket assembly, one end of the second sliding rod relatively far from the push handle assembly and one end of the second connecting rod relatively far from the second sliding sleeve are respectively connected to the other side of the rear bracket rotation.

3. The foldable trolley according to claim 2, characterized in that: The front bracket assembly includes a front pulley assembly and a front bracket, the front bracket is connected to the front pulley assembly, the opposite ends of the front bracket are rotatably connected to the opposite sides of the rear bracket respectively, and one end of the first sliding rod relatively far away from the push handle assembly and one end of the second sliding rod relatively far away from the push handle assembly are rotatably connected to the two ends connected to the opposite sides of the front bracket and the rear bracket respectively.

4. The foldable trolley according to claim 2 or 3, characterized in that: The push piece, the storage piece, the rear bracket and the front bracket are all in a "U" shape.

5. A baby stroller, characterized in that: It comprises the folding trolley as claimed in claim 1.

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