Simple folding cart

Abstract

The utility model discloses a simple folding cart which comprises a cart frame body and a cloth cover sleeved on the cart frame body, the cart frame body comprises a side frame and a folding frame, the folding frame comprises an upper folding rod and a lower folding rod, the upper folding rod is hinged with a first rotating body and a second rotating body through a first upper connecting shaft and a second upper connecting shaft, and the lower folding rod is hinged with a second rotating body through a second upper connecting shaft. The lower folding rod is hinged to the first rotating body and the second rotating body through the first lower connecting shaft and the second lower connecting shaft, the bottom frame can be limited to the lower side of the first rotating body through the upper folding rod and limited to the upper side of the second rotating body through the lower folding rod so as to be kept in the unfolded state and support the two side frames to be kept in the unfolded state, and supporting of the side frames is completed through the bottom frame. The overall weight and the folded size of the folding cart are greatly reduced, and the folding cart is convenient to package, carry or transport.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of trolley, especially simply folding trolley. BACKGROUND

[0002] The existing folding trolley is generally as the utility model patent of one kind of folding trolley disclosed in CN218616753U, including four support rods, wheel body, bottom support, each folding unit is arranged in a straight line and is movably connected through first hinged seat between each other, side support, it is located between two adjacent support rods, and the two spaced scissors lever groups on the side support that folds or unfolds along the length direction of folding trolley extend downwards and converge and are hinged on the second hinged seat, when folding trolley is in unfolded state, the second hinged seat is supported on the bottom surface of first hinged seat, and the first hinged seat and the second hinged seat are connected through limiting rod, so that the folding trolley is unfolded or folded, the folding trolley is heavy due to the existence of side scissors support, and the volume after folding is large, which is inconvenient for packaging, carrying or transporting. SUMMARY

[0003] The utility model provides a simply folding trolley in the prior art, cancel the design of side scissors support, can complete the support to side frame through bottom support, greatly reduce the overall weight of folding trolley and the volume after folding, and it is convenient for packaging, carrying or transporting.

[0004] The utility model provides a simply folding trolley, including frame body and cloth cover of setting in frame body, frame body includes bottom support and two side frames that are arranged on the both sides of bottom support along the length direction, bottom support includes two folding frames, and one end of two folding frames is hinged each other through first rotation structure, and the other end is hinged on the side frame of corresponding arrangement through second rotation structure respectively, folding frame includes upper folding rod that is arranged along the length direction of bottom support and lower folding rod that is arranged on the downside of upper folding rod, first rotation structure includes first rotation body, first upper connecting shaft that is arranged at interval and first lower connecting shaft that is arranged at interval, and two first lower connecting shafts are arranged below two first upper connecting shafts at interval, second rotation structure includes second rotation body, second upper connecting shaft and second lower connecting shaft that is arranged below second upper connecting shaft near first rotation structure side at interval, one end of upper folding rod is hinged with first rotation body through first upper connecting shaft, and the other end is hinged with second rotation body through second upper connecting shaft, one end of lower folding rod is hinged with first rotation body through first lower connecting shaft, and the other end is hinged with second rotation body through second lower connecting shaft, and bottom support can be limited on the downside of first rotation body and / or lower folding rod is limited on the upside of second rotation body through upper folding rod to keep in unfolded state and support two side frames to keep in unfolded state.

[0005] Preferably, the first rotating body comprises two first rotating side plates arranged oppositely, and a first connecting plate connected between the two first rotating side plates, a first rotating groove is formed around the lower side of the first connecting plate between the two first rotating side plates, one end of the upper folding rod is arranged in the first rotating groove and is hinged to the first rotating side plate through a first upper connecting shaft, one end of the lower folding rod is arranged in the first rotating groove and is hinged to the first rotating side plate through a first lower connecting shaft, and the first connecting plate abuts against the upper side surface of the upper folding rod when the chassis is in the unfolded state.

[0006] Preferably, the first connecting plate comprises a first plate body arranged in the horizontal direction, and a first limiting portion extending downward from the first plate body, the first limiting portion has a first limiting bottom surface and a first limiting side surface facing into the first rotating groove, the upper folding rod abuts against the first limiting bottom surface when the chassis is in the unfolded state, and the upper folding rod can abut against the first limiting side surface when the chassis is in the folded state.

[0007] Preferably, the first rotating body further comprises a partition plate connected between the two first rotating side plates, the first connecting plate is arranged along the top of the two first rotating side plates, the partition plate is arranged on the lower side of the first connecting plate in the vertical direction, two sides of the partition plate are respectively formed with the first rotating grooves corresponding to the upper folding rods and the lower folding rods of the two folding frames, and the first rotating body is provided with first rotating openings extending from the two sides of the partition plate to the lower side of the first connecting plate, the first rotating openings are communicated with the first rotating grooves, and the end portions of the upper folding rods and the end portions of the lower folding rods are rotatable in the first rotating openings.

[0008] Preferably, a first upper connecting channel for rotatably mounting the first upper connecting shaft is provided through the upper folding rod, first upper connecting holes for rotatably mounting the first upper connecting shaft are respectively provided through the two first rotating side plates, and the upper folding rod and the first rotating body are rotatably connected through the first upper connecting shaft fitted in the first upper connecting channel and the first upper connecting holes; a first lower connecting channel for rotatably mounting the first lower connecting shaft is provided through the lower folding rod, first lower connecting holes for rotatably mounting the first lower connecting shaft are respectively provided through the two first rotating side plates, and the lower folding rod and the first rotating body are rotatably connected through the first lower connecting shaft fitted in the first lower connecting channel and the first lower connecting holes.

[0009] Preferably, the two first upper connecting shafts and the two first lower connecting shafts of the first rotating structure are arranged in an isosceles trapezoidal structure, the two first upper connecting shafts are arranged along the two ends of the upper base of the isosceles trapezoidal structure, the two first lower connecting shafts are arranged along the two ends of the lower base of the isosceles trapezoidal structure, and the distance between the two first lower connecting shafts is smaller than the distance between the two first upper connecting shafts.

[0010] Preferably, the lower folding rod is arranged in a laminated manner on the lower side of the upper folding rod, and the upper side surface of the lower folding rod is in contact with the lower side surface of the upper folding rod.

[0011] Preferably, the second rotating body comprises two second rotating side plates arranged oppositely, and a second connecting plate connected between the two second rotating side plates, a second rotating groove is formed around the upper side of the second connecting plate between the two second rotating side plates, the other end of the upper folding rod is arranged in the second rotating groove and is hinged to the second rotating side plate through a second upper connecting shaft, the other end of the lower folding rod is arranged in the second rotating groove and is hinged to the second rotating side plate through a second lower connecting shaft, and the second connecting plate abuts against the lower side surface of the lower folding rod when the chassis is in the unfolded state.

[0012] Preferably, the second connecting plate is arranged in a horizontal direction, and an opening structure is formed on the second connecting plate for the end of the lower folding rod to rotate inwardly, a second limiting portion is formed on the second connecting plate away from the side frame, the second limiting portion has a second limiting top surface and a second limiting side surface facing the second rotating groove, the lower folding rod abuts against the second limiting top surface when the chassis is in the unfolded state, and the lower folding rod can abut against the second limiting side surface when the chassis is in the folded state.

[0013] Preferably, the side frame comprises two vertical rods arranged oppositely, a first horizontal rod connected between the upper parts of the two vertical rods, and a second horizontal rod connected between the lower parts of the two vertical rods, the second rotating body is fixedly arranged on the second horizontal rod or the lower part of the vertical rod, the two side parts of the two side frames are arranged in an open structure without a connecting frame, and at least four wheel body assemblies are further included, each wheel body assembly comprises a roller member and a roller support for mounting the roller member, the roller support of each wheel body assembly is detachably connected to the lower end of each vertical rod through a quick release structure, and at least one pull rod structure rotatably connected to the second horizontal rod is further included, the pull rod structure comprises a lower pull rod, an upper pull rod telescopically connected to the lower pull rod, and a pull rod handle connected to the upper end of the upper pull rod.

[0014] The utility model provides a simple folding trolley, including the car frame body and the cloth cover of the cloth cover of car frame body, since the chassis of car frame body includes the upper folding rod along the chassis length direction arrangement, with the lower folding rod of arrangement in the upper folding rod downside, and the upper folding rod one end is hinged with first rotary body through first upper connecting shaft, the other end is hinged with second rotary body through second upper connecting shaft, the lower folding rod one end is hinged with first rotary body through first lower connecting shaft, the other end is hinged with second rotary body through second lower connecting shaft, and when the chassis is in the unfolded state, can be through the upper folding rod and / or through the lower folding rod in the unfolded state of the first rotary body downside and second rotary body upside, make the chassis keep in the unfolded state, and through the upper folding rod and the lower folding rod of first rotary body both sides and the hinge support both sides frame of corresponding side frame keep in the unfolded state, so that the utility model can complete the support of side frame through the chassis, cancel the design of side scissors support in the prior art, thereby greatly reduce the weight and the volume of folding trolley whole after folding, convenient packing, carrying or transportation, simultaneously, the structural design of double folding rod still strengthens the structural stability of chassis, can provide enough support when the chassis load stress, and the load capacity is stronger, and two first lower connecting shafts are arranged below between two first upper connecting shafts, so that the upper folding rod and the lower folding rod can be rotated from horizontal state to vertical state simultaneously, and complementary interference, thereby guarantee the folding function of folding trolley, increase practicality.

[0015] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the utility model, constitute a part of this application, the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0017] Figure 1 It is the structure schematic drawing of simple folding trolley of an embodiment of the utility model.

[0018] Figure 2 It is the explosion of simple folding trolley of an embodiment of the utility model. Figure 1 .

[0019] Figure 3 It is the structure schematic drawing of first rotary body of an embodiment of the utility model.

[0020] Figure 4 It is the structure schematic drawing of second rotary body of an embodiment of the utility model.

[0021] Figure 5The explosion view of the simple folding cart of the embodiment of the present utility model Figure 2 .

[0022] Figure 6 The Figure 5 The explosion view of the simple folding cart of the embodiment of the present utility model

[0023] Figure 7 The folding state view of the simple folding cart of the embodiment of the present utility model DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present utility model clearer, the technical scheme of the embodiments of the present utility model will be described clearly and completely below in combination with the drawings of the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the described embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0025] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present utility model.

[0026] In the present utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.

[0027] In the present utility model, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the direct contact of the first and second features, or can include that the first and second features are not in direct contact, but are in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein and the claims that follow is not intended to be limiting of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein and the claims that follow is not intended to be limiting of the application. In this application, the use of "about" to modify a

[0029] As Figures 1-7As shown, as an embodiment of the utility model provides a kind of simple folding cart, including car body 1 and the cloth cover (not shown in drawing) of the cloth cover of car body 1, wherein car body 1 includes chassis 2, and two side frames 3 are arranged in the length direction respectively at both sides of chassis 2, chassis 2 includes two folding frames 21, and one end of two folding frames 21 is hinged to each other by first rotating structure 4, and the other end is hinged to the side frame 3 arranged correspondingly by second rotating structure 5.Folding frame 21 includes upper folding rod 22 arranged along the length direction of chassis 2, and lower folding rod 23 arranged on the lower side of upper folding rod 22;First rotating structure 4 includes first rotating body 41, and two first upper connecting shafts 42 arranged at intervals, and two first lower connecting shafts 43 arranged at intervals, two first lower connecting shafts 43 are arranged below two first upper connecting shafts 42, second rotating structure 5 includes second rotating body 51, second upper connecting shaft 52 and second lower connecting shaft 53 arranged below second upper connecting shaft 52 on the side close to first rotating structure 4.The one end of upper folding rod 22 is hinged with first rotating body 41 by first upper connecting shaft 42, and the other end is hinged with second rotating body 51 by second upper connecting shaft 52, the one end of lower folding rod 23 is hinged with first rotating body 41 by first lower connecting shaft 43, and the other end is hinged with second rotating body 51 by second lower connecting shaft 53.Simple folding cart of the embodiment, when chassis is in unfolded state, upper folding rod 22 can be limited on the lower side of first rotating body 41 and lower folding rod 23 is limited on the upper side of second rotating body 42, so that chassis 2 is kept in unfolded state, and the hinged support of upper folding rod 22 and lower folding rod 23 on both sides of first rotating body 41 and corresponding side frame 3 keeps two side frames 3 in unfolded state, so that the simple folding cart of the embodiment can complete the support of side frame 3 by chassis 2, cancel the design of side shear fork support in prior art, so that the weight and volume of folding cart after folding are greatly reduced, convenient packaging, carrying or transportation;At the same time, the structural design of double folding rod also enhances the structural stability of chassis 2, can provide sufficient support when chassis 2 is under load, and has strong load capacity;And two first lower connecting shafts 43 are arranged below two first upper connecting shafts 42, so that upper folding rod 22 and lower folding rod 23 can be rotated from horizontal state to vertical state at the same time, and complementary interference, so as to ensure the folding function of folding cart, increase practicability.In the embodiment, when chassis is in unfolded state, upper folding rod 22 is limited on the lower side of first rotating body 41, and at the same time, lower folding rod 23 is limited on the upper side of second rotating body 42, so that chassis 2 can be kept in unfolded state stably, in other embodiments, when chassis is in unfolded state, upper folding rod 22 can also be limited on the lower side of first rotating body 41, or lower folding rod 23 can also be limited on the upper side of second rotating body 42, which can also keep chassis 2 in unfolded state.

[0030] As shown in Figures 1-3 the first rotating body 41 includes two oppositely arranged first rotating side plates 44 and a first connecting plate 45 connected between the two first rotating side plates 44, a first rotating groove 46 is formed around the lower side of the first connecting plate 45 between the two first rotating side plates 44, one end of the upper folding rod 22 is arranged in the first rotating groove 46 and is hinged to the first rotating side plate 44 through the first upper connecting shaft 42, one end of the lower folding rod 23 is arranged in the first rotating groove 46 and is hinged to the first rotating side plate 44 through the first lower connecting shaft 43, when the chassis 2 is in the unfolded state, the first connecting plate 45 abuts against the upper side surface of the upper folding rod 22, which can position the upper folding rod 22 by the abutting of the first connecting plate 45 and the upper folding rod 22 when the chassis 2 is under load, keep the folding rod in a horizontal position, increase the load capacity of the stroller, increase the stability and practicality of the whole vehicle.

[0031] As shown in Figures 1-3 the first connecting plate 45 includes a first plate body 451 arranged in the horizontal direction and a first limiting portion 452 extending downward from the first plate body 451, the first limiting portion 452 has a first limiting bottom surface 453 and a first limiting side surface 454 facing into the first rotating groove 46, when the chassis 2 is in the unfolded state, the upper folding rod 22 abuts against the first limiting bottom surface 453 to limit the upper folding rod 22 and keep it in a horizontal state, when the chassis 2 is in the folded state, the upper folding rod 22 can abut against the first limiting side surface 454 to limit the upper folding rod 22 and keep it in a vertical state.

[0032] As shown in Figures 1-3 the first rotating body 41 further includes a partition plate 47 connected between the two first rotating side plates 44, the first connecting plate 45 is arranged along the top of the two first rotating side plates 44, the partition plate 47 is arranged in the vertical direction below the first connecting plate 45, the two sides of the partition plate 47 are respectively formed with first rotating grooves 46 corresponding to the upper folding rod 22 and the lower folding rod 23 of the two folding frames 21, the first rotating body 41 is provided with first rotating openings 48 extending from the two sides of the partition plate 47 to the lower side of the first connecting plate 45, the first rotating openings 48 are in communication with the first rotating grooves 46 for the end of the upper folding rod 22 and the end of the lower folding rod 23 to rotate inwardly, limiting the position and rotating direction of the upper and lower folding rods 23 and providing sufficient rotating space. In addition, the provision of the partition plate 47 also improves the stability of the overall structure of the first rotating body 41 and makes it more durable. In other embodiments, the partition plate 47 can also not be provided.

[0033] As shown in Figures 1-3As shown, the upper folding rod 22 is provided with a first upper connecting channel 221 for rotatably mounting the first upper connecting shaft 42, and the two first rotating side plates 44 are respectively provided with a first upper connecting hole 441 for rotatably mounting the first upper connecting shaft 42. The upper folding rod 22 and the first rotating body 41 are rotatably connected through the first upper connecting shaft 42 fitted in the first upper connecting channel 221 and the first upper connecting hole 441. The lower folding rod 23 is provided with a first lower connecting channel 231 for rotatably mounting the first lower connecting shaft 43, and the two first rotating side plates 44 are respectively provided with a first lower connecting hole 442 for rotatably mounting the first lower connecting shaft 43. The lower folding rod 23 and the first rotating body 41 are rotatably connected through the first lower connecting shaft 43 fitted in the first lower connecting channel 231 and the first lower connecting hole 442. The position relationship between the first upper and lower connecting shafts and the first upper and lower connecting holes is ensured through the positioning of the first upper and lower connecting holes, so as to achieve a rotatable position capable of bearing.

[0034] As shown in Figures 1-3 The two first upper connecting shafts 42 and the two first lower connecting shafts 43 of the first rotating structure 4 are arranged in an isosceles trapezoidal structure, the two first upper connecting shafts 42 are arranged along the two ends of the upper base of the isosceles trapezoidal structure, the two first lower connecting shafts 43 are arranged along the two ends of the lower base of the isosceles trapezoidal structure, and the distance between the two first lower connecting shafts 43 is less than the distance between the two first upper connecting shafts 42. The isosceles trapezoidal structure is designed to be wide at the top and narrow at the bottom, which provides sufficient rotating distance for the upper and lower folding rods 23, and the end of the folding rod will not abut against the first limiting portion 452 due to insufficient distance.

[0035] As shown in Figure 1 The lower folding rod 23 is arranged in a stacked manner on the lower side of the upper folding rod 22, and the upper side surface of the lower folding rod 23 and the lower side surface of the upper folding rod 22 are in contact with each other. When carrying an object, the contact can cooperate with the isosceles trapezoidal position of the first upper and lower connecting shafts, play a mutual abutting role, reduce the deformation of the upper and lower folding rods 23, increase the carrying capacity of the chassis 2, and increase the practicability of the cart.

[0036] As shown in Figure 1 and Figure 4As shown, the second rotating body 51 includes two opposing second rotating side plates 54 and a second connecting plate 55 connected between the two second rotating side plates 54. A second rotating groove 56 is formed around the upper side of the second connecting plate 55 and the two second rotating side plates 54. The other end of the upper folding rod 22 is arranged in the second rotating groove 56 and is hinged to the second rotating side plate 54 through the second upper connecting shaft 52. The other end of the lower folding rod 23 is arranged in the second rotating groove 56 and is hinged to the second rotating side plate 54 through the second lower connecting shaft 53. When the base frame 2 is in the unfolded state, the second connecting plate 55 abuts against the lower surface of the lower folding rod 23. The abutment of the second connecting plate 55 can provide sufficient support for the lower folding rod 23 when the trolley is loaded. Combined with the abutment of the first limiting bottom surface 453 against the upper folding rod 22 and the abutment between the upper and lower folding rods 23, the loading capacity of the trolley base frame 2 is enhanced, and the stability and practicality of the trolley are increased.

[0037] like Figure 4 As shown, the second connecting plate 55 is arranged in a horizontal direction. The second connecting plate 55 has an opening structure for the end of the lower folding rod 23 to rotate inward. A second limiting part 551 is formed on the side of the second connecting plate 55 away from the side frame 3. The second limiting part 551 has a second limiting top surface 552 and a second limiting side surface 553 facing the opening structure. When the base frame 2 is in the unfolded state, the lower folding rod 23 abuts against the second limiting top surface 552, which can keep the lower folding rod 23 in a horizontal state. When the base frame 2 is in the folded state, the lower folding rod 23 can abut against the second limiting side surface 553, which can keep the lower folding rod 23 in a vertical state. The upper folding rod 22 has a second upper connecting channel 222 for rotatably mounting the second upper connecting shaft 52. The two second rotating side plates 54 each have a second upper connecting hole 541 for rotatably mounting the second upper connecting shaft 52. The upper folding rod 22 and the second rotating body 51 are rotatably connected via the second upper connecting shaft 52 within the second upper connecting channel 222 and the second upper connecting hole 541. The lower folding rod 23 has a second lower connecting channel 232 for rotatably mounting the second lower connecting shaft 53. The two second rotating side plates 54... The upper part of the 4 is provided with a second lower connecting hole 542 for rotatably mounting the second lower connecting shaft 53. The lower folding rod 23 and the second rotating body 51 are rotatably connected through the second lower connecting shaft 53 in the second lower connecting channel 232 and the second lower connecting hole 542. Through the positioning of the connecting hole, the holes at the front and rear second rotating mechanisms can also form an isosceles trapezoidal structure with a wider top and a narrower bottom. The second upper and lower connecting shafts on both sides and the corresponding side frame 3 form a triangular support structure, which can make the side frame 3 stable in the unfolded mode after unfolding, increasing the structural strength of the trolley.

[0038] like Figures 5-7As shown, the side frame 3 includes two vertically arranged vertical rods 31, a first horizontal rod 32 connected between the upper portions of the two vertical rods 31, and a second horizontal rod 33 connected between the lower portions of the two vertical rods 31. In this embodiment, the second rotating body 51 is fixedly arranged on the second horizontal rod 33. In other embodiments, the second rotating body 51 can also be fixedly arranged on the lower portion of the vertical rod 31 or other positions on the lower portion of the side frame 3. In the unfolded state, the two side portions of the two side frames 3 are arranged in an open structure without a connecting frame, so that objects with a length exceeding the length of the stroller in the width direction can be placed. The stroller further includes at least four wheel assembly components 6, each of which includes a roller 61 and a roller bracket 62 for mounting the roller 61. The roller bracket 62 of each wheel assembly component 6 is detachably connected to the lower end of each vertical rod 31 through a quick-release structure 63. The roller bracket 62 and the quick-release structure 63 at one end of the stroller are integrally formed. Pressing the retractable spring 621 inside the roller bracket 62 makes it extend into the positioning hole 311 arranged on the vertical rod 31. The vertical rod 31 at the other end of the stroller is covered with the quick-release structure 63. By pressing one end of the touch rocker plate 631 of the quick-release mechanism 63, the end of the touch rocker plate 631 with a locking block (not shown in the figure) is separated from the locking groove 622 of the roller bracket 62, so that the roller bracket 62 is detached.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

[0040] In summary, the above-described only for the preferred embodiments of the present application, any changes and modifications made in accordance with the scope of the present application patent, should belong to the scope of the present application patent.

Claims

1. A minimalist folding stroller, characterized in that, The utility model provides a folding bicycle frame, comprising a frame body and a cloth cover sleeved on the frame body, the frame body comprises a bottom frame and two side frames arranged on both sides of the bottom frame respectively along the length direction, the bottom frame comprises two folding frames, one end of the two folding frames is hinged to each other through a first rotating structure, and the other end is hinged to the corresponding side frame through a second rotating structure respectively. The first rotating structure comprises a first rotating body, two first upper connecting shafts arranged at intervals and two first lower connecting shafts arranged at intervals, and the two first lower connecting shafts are arranged below the two first upper connecting shafts at intervals. One end of the upper folding rod is hinged to the first rotating body through the first upper connecting shaft, and the other end is hinged to the second rotating body through the second upper connecting shaft; one end of the lower folding rod is hinged to the first rotating body through the first lower connecting shaft, and the other end is hinged to the second rotating body through the second lower connecting shaft; the bottom frame can be limited on the lower side of the first rotating body through the upper folding rod and / or the upper side of the second rotating body through the lower folding rod to keep in the unfolded state and support the two side frames to keep in the unfolded state.

2. The minimalist folding stroller of claim 1, wherein: The first rotating body comprises two first rotating side plates arranged oppositely and a first connecting plate connected between the two first rotating side plates, a first rotating groove is formed around the lower side of the first connecting plate and the two first rotating side plates, one end of the upper folding rod is arranged in the first rotating groove and hinged to the first rotating side plate through the first upper connecting shaft, and one end of the lower folding rod is arranged in the first rotating groove and hinged to the first rotating side plate through the first lower connecting shaft; when the bottom frame is in the unfolded state, the first connecting plate abuts against the upper side surface of the upper folding rod.

3. The minimalist folding stroller of claim 2, wherein: The first connecting plate comprises a first plate body arranged in the horizontal direction and a first limiting part extending downward from the first plate body, the first limiting part has a first limiting bottom surface and a first limiting side surface facing the first rotating groove, the upper folding rod abuts against the first limiting bottom surface when the bottom frame is in the unfolded state, and the upper folding rod can abut against the first limiting side surface when the bottom frame is in the folded state.

4. The minimalist folding stroller of claim 3, wherein: The first rotating body further comprises a partition plate connected between the two first rotating side plates, the first connecting plate is arranged along the top of the two first rotating side plates, the partition plate is arranged on the lower side of the first connecting plate in the vertical direction, the two sides of the partition plate are respectively formed with the first rotating grooves corresponding to the upper folding rods and the lower folding rods of the two folding frames, and the first rotating body is provided with first rotating openings extending from the two sides of the partition plate to the lower side of the first connecting plate respectively, the first rotating openings are communicated with the first rotating grooves, and the end of the upper folding rod and the end of the lower folding rod are arranged in the first rotating openings and rotate inward.

5. The minimalist folding stroller of claim 2, wherein: The upper folding rod is provided with a first upper connecting channel for rotatably mounting a first upper connecting shaft, and two first rotating side plates are respectively provided with a first upper connecting hole for rotatably mounting the first upper connecting shaft, and the upper folding rod and the first rotating body are rotatably connected through the first upper connecting shaft fitted in the first upper connecting channel and the first upper connecting hole; The lower folding rod is provided with a first lower connecting channel for rotatably mounting a first lower connecting shaft, and two first rotating side plates are respectively provided with a first lower connecting hole for rotatably mounting the first lower connecting shaft, and the lower folding rod and the first rotating body are rotatably connected through the first lower connecting shaft fitted in the first lower connecting channel and the first lower connecting hole.

6. The minimalist folding stroller of claim 1, wherein: The two first upper connecting shafts and the two first lower connecting shafts of the first rotating structure are arranged in an isosceles trapezoidal structure, the two first upper connecting shafts are arranged along the two ends of the upper base of the isosceles trapezoidal structure, the two first lower connecting shafts are arranged along the two ends of the lower base of the isosceles trapezoidal structure, and the distance between the two first lower connecting shafts is smaller than the distance between the two first upper connecting shafts.

7. The minimalist folding stroller of claim 6, wherein: The lower folding rod is arranged in a stacked manner on the lower side of the upper folding rod, and the upper side surface of the lower folding rod and the lower side surface of the upper folding rod are in contact with each other.

8. The compact foldable stroller of any one of claims 1-7, wherein: The second rotating body includes two second rotating side plates arranged opposite to each other, and a second connecting plate connected between the two second rotating side plates, a second rotating groove is formed around the upper side of the second connecting plate and between the two second rotating side plates, the other end of the upper folding rod is arranged in the second rotating groove and is hinged to the second rotating side plate through a second upper connecting shaft, the other end of the lower folding rod is arranged in the second rotating groove and is hinged to the second rotating side plate through a second lower connecting shaft, and when the chassis is in the unfolded state, the second connecting plate abuts against the lower side surface of the lower folding rod.

9. The minimalist folding stroller of claim 8, wherein: The second connecting plate is arranged in a horizontal direction, an opening structure is formed in the second connecting plate for the end of the lower folding rod to rotate inward, a second limiting portion is formed on the second connecting plate away from the side frame, the second limiting portion has a second limiting top surface and a second limiting side surface facing the opening structure, when the chassis is in the unfolded state, the lower folding rod abuts against the second limiting top surface, and when the chassis is in the folded state, the lower folding rod can abut against the second limiting side surface.

10. The compact foldable stroller of any one of claims 1-7, wherein: The side frame includes two vertical rods arranged opposite to each other, a first horizontal rod connected between the upper parts of the two vertical rods, and a second horizontal rod connected between the lower parts of the two vertical rods, and the second rotating body is fixedly arranged on the second horizontal rod or arranged on the lower part of the vertical rod. The two side frames are arranged in an open structure without a connecting frame between the two side parts; At least four wheel body assemblies are further included, each wheel body assembly includes a roller member and a roller support for mounting the roller member, and the roller support of each wheel body assembly is detachably connected to the lower end of each vertical rod through a quick release structure; At least one pull rod structure rotatably connected to the second horizontal rod is further included, the pull rod structure includes a lower pull rod, an upper pull rod telescopically connected to the lower pull rod, and a pull rod handle connected to the upper end of the upper pull rod.

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