Frame and cart

Abstract

The utility model belongs to the field of cart technology discloses a kind of frame and cart, foot bag unit is movably connected in supporting frame or load main body, load assembly has sitting posture state and lying posture state;When lying down is needed, load assembly is switched from sitting posture state to lying posture state, the upper surface of foot bag unit and the upper surface of load main body form support surface jointly, and user can lie on support surface.In when user needs to sit in the cart, load assembly is switched from lying posture state to sitting posture state, so that foot bag unit forms the footboard space of top opening, the upper surface of load main body forms the support surface for sitting, and user sits on the upper surface of load main body, and both feet can be inserted into foot bag.The cart can meet lying down demand, and can also meet riding demand, and experience is higher.

Description

Technical Field

[0001] This utility model relates to the field of trolley technology, and in particular to a trolley frame and trolley. Background Technology

[0002] Existing strollers have a support frame at the bottom, with the upper surface of the frame forming a support surface for the child to lie down on. When a child needs to sit, this type of stroller offers a poorer riding experience compared to strollers with a seat; that is, while it provides comfort for lying down, it fails to meet the requirements for comfortable sitting. Utility Model Content

[0003] The purpose of this utility model is to provide a frame and trolley that can meet both reclining and riding needs, thereby improving the user experience.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] The frame includes:

[0006] Supporting framework;

[0007] A load-bearing component includes a load-bearing body and a foot pocket unit, wherein the load-bearing body is disposed on the support frame, and the foot pocket unit is movably connected to the support frame or the load-bearing body;

[0008] The support component has a sitting position and a lying position. When the support component is in the sitting position, the foot pocket unit forms a footrest space with a top opening, and the upper surface of the support body forms a support surface for sitting.

[0009] When the supporting component is in a lying position, the surface of the foot pocket unit and the upper surface of the supporting body together form a support surface for lying down.

[0010] As one feasible technical solution for the aforementioned vehicle frame, the footwell unit includes:

[0011] A connector, one end of which is movably connected to the load-bearing body or the support frame;

[0012] A foot pedal, which is movably connected to the other end of the connector;

[0013] When the support component is in a seated position, the footrest is located below the support body, and the footrest and the support body are located on opposite sides of the connector.

[0014] As one feasible technical solution for the aforementioned frame, when the load-bearing component is in the lying position, at least one of the connecting member and the footrest has a surface flush with the upper surface of the load-bearing body to form the support surface, and the other surface is not higher than the upper surface of the load-bearing body.

[0015] As one feasible technical solution for the aforementioned frame, one of the foot pedal and the connecting member is provided with a receiving groove, and when the load-bearing component is in the lying position, the other of the foot pedal and the connecting member is housed in the receiving groove.

[0016] As one feasible technical solution for the aforementioned frame, when the load-bearing component is in the lying position, the connector is located below the footrest and supports the footrest, and the surface of the footrest is flush with the upper surface of the load-bearing body.

[0017] As one feasible technical solution for the aforementioned vehicle frame, the support frame is movably connected to a support limiting part, which has a first position and a second position.

[0018] When the support limiting part is in the first position, the support limiting part blocks one side of the foot pocket unit to restrict the movement of the foot pocket unit, so that the support component can be maintained in at least one of the lying position and the sitting position; when the support limiting part is in the second position, the foot pocket unit can be moved so that the support component can switch between the lying position and the sitting position.

[0019] As one feasible technical solution for the aforementioned frame, two foot pocket units are provided, and the two foot pocket units are independent of each other;

[0020] When the support component is in a seated position, at least one of the foot pocket units is provided with the support body on the side away from the other foot pocket unit, and the two foot pocket units together form a foot pedal space;

[0021] Alternatively, when the supporting component is in a seated position, a supporting body is provided between the two foot pocket units, and each foot pocket unit forms a footrest space.

[0022] As one feasible technical solution for the aforementioned vehicle frame, the vehicle frame further includes:

[0023] A first limiting unit is disposed on the connector and / or the supporting body, and is used to limit the angle of rotation of the connector relative to the supporting body;

[0024] And / or,

[0025] The second limiting unit is disposed on the connector and / or the foot pedal, and is used to limit the angle of rotation of the foot pedal relative to the connector.

[0026] As one feasible technical solution for the above-mentioned frame, the frame has an unfolded state and a folded state. When the load-bearing component is in a lying or sitting position, the frame can switch from the unfolded state to the folded state.

[0027] Alternatively, when the supporting component is in a lying or sitting position, the frame is restricted from switching from the unfolded state to the folded state.

[0028] Alternatively, the load-bearing component is detachably connected to the support frame, and when the load-bearing component is detached from the support frame, the vehicle frame can switch from the unfolded state to the folded state;

[0029] Alternatively, when the load-bearing component is close to the support frame, the vehicle frame can switch from the unfolded state to the folded state.

[0030] To achieve the above objectives, the present invention also provides a trolley, including wheels and the aforementioned frame, wherein the wheels are movably disposed at the bottom of the support frame.

[0031] The beneficial effects of this utility model are:

[0032] The frame and trolley provided by this utility model have a footwell unit movably connected to a support frame or carrier. The carrier component has a sitting position and a lying position. When the user needs to lie down, the carrier component is switched from the sitting position to the lying position. The surface of the footwell unit and the upper surface of the carrier body together form a support surface, allowing the user to lie down on the support surface. When the user needs to sit in the trolley, the carrier component is switched from the lying position to the sitting position, so that the footwell unit forms a footrest space with an open top, and the upper surface of the carrier body forms a support surface for sitting. The user can sit on the upper surface of the carrier body, and both feet can be inserted into the footwell. This trolley can meet both lying down and sitting needs, providing a high level of user experience. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of the trolley provided in an embodiment of the present invention;

[0034] Figure 2 yes Figure 1 The main view;

[0035] Figure 3 yes Figure 1 Top view;

[0036] Figure 4 yes Figure 1A magnified view of a portion of point A in the middle;

[0037] Figure 5 Other embodiments of this utility model provide a diagram showing the positional relationship between the supporting body and the footrest unit in a lying position supporting assembly.

[0038] Figure 6 This is a diagram showing the positional relationship between the supporting body and the footrest unit in a lying position supporting component provided in other embodiments of this utility model;

[0039] Figure 7 This is a diagram showing the positional relationship between the supporting body and the footrest unit in a lying-down bearing assembly provided in other embodiments of this utility model.

[0040] In the picture:

[0041] 1. Support frame; 11. First connecting rod; 12. Second connecting rod; 13. Third connecting rod; 14. Fourth connecting rod; 15. First enclosure frame; 151. Enclosure frame body one; 152. Enclosure frame connecting part one; 16. Second enclosure frame; 161. Enclosure frame body two; 162. Enclosure frame connecting part two;

[0042] 2. Load-bearing components; 21. Load-bearing body; 21a. First load-bearing frame; 21b. Second load-bearing frame; 22. Foot pocket unit; 221. Connector; 222. Foot pedal; 223. Foot pedal space;

[0043] 3. Support limiting part;

[0044] 10. Hinge shaft one; 20. Hinge shaft two; 30. Hinge shaft three; 40. Hinge shaft four; 50. Hinge shaft five; 60. Hinge shaft six; 70. First load-bearing hinge shaft; 80. Second load-bearing hinge shaft. Detailed Implementation

[0045] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0046] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0047] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0048] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0049] This utility model provides a frame and a stroller that can switch between a folded and an unfolded state. When unfolded, the stroller allows the user to sit or lie down and rest, while when folded, it reduces the overall space occupied, improving the convenience of use and portability. It should be noted that the stroller can be a children's stroller, a camping vehicle, etc., and is not specifically limited here.

[0050] like Figure 1 As shown, the trolley includes a frame, which includes a support frame 1 and wheels, with the wheels movably mounted on the bottom of the support frame 1. Exemplarily, there are four wheels, arranged in pairs, with the two pairs of wheels located at opposite ends of the bottom of the support frame 1 in the front-rear direction. The four wheels consist of two front wheels and two rear wheels. The two front wheels are spaced apart along the left-right direction of the support frame 1, and the two rear wheels are also spaced apart along the left-right direction of the support frame 1. The wheels are 360° swivel casters.

[0051] like Figures 1 to 3 As shown, the frame includes a load-bearing assembly 2, which includes a load-bearing body 21 and a footrest unit 22. The load-bearing body 21 is disposed on the support frame 1, and the footrest unit 22 is movably connected to the support frame 1 or the load-bearing body 21. The load-bearing assembly 2 has a sitting position and a lying position. When the load-bearing assembly 2 is in the sitting position, the footrest unit 22 forms a footrest space 223 with a top opening, and the upper surface of the load-bearing body 21 forms a support surface for sitting. When the load-bearing assembly 2 is in the lying position, the surface of the footrest unit 22 and the upper surface of the load-bearing body 21 together form a support surface for lying down.

[0052] When the user needs to lie down, the support component 2 is switched from a sitting to a lying position. The surface of the footrest unit 22 and the upper surface of the support body 21 together form a support surface, allowing the user to lie down. When the user needs to sit in the trolley, the support component 2 is switched from a lying to a sitting position. The footrest unit 22 forms a footrest space 223 with an open top, and the upper surface of the support body 21 forms a support surface for sitting. The user sits on the upper surface of the support body 21, and their feet can be inserted into the footrest space 223. This trolley can meet both lying and sitting needs, providing a high level of user experience.

[0053] It should be noted that the aforementioned load-bearing body 21 can be a plate-like structure or a frame structure. For example, the load-bearing body 21 is a plate-like structure.

[0054] like Figures 1 to 3 As shown, in this embodiment, the footrest unit 22 includes a connector 221 and a footrest 222. One end of the connector 221 is movably connected to the support body 21, and the footrest 222 is movably connected to the other end of the connector 221. When the support assembly 2 is in a seated position, the footrest 222 is located below the support body 21, and the footrest 222 and the support body 21 are located on opposite sides of the connector 221. Exemplarily, one end of the connector 221 is hinged to the support body 21, and the footrest 222 is hinged to the other end of the connector 221. In other embodiments, the connector 221 may also be movably connected to, for example, hinged to, the support frame 1.

[0055] Specifically, when the supporting component 2 is in a lying position, the footrest 222 is located above the connector 221. For example... Figure 1 and Figure 2 As shown, when switching the load-bearing component 2 from a lying position to a sitting position, the connector 221 is first rotated downward relative to the load-bearing body 21 so that the load-bearing body 21 and the connector 221 are arranged in an L-shape. Then, the foot pedal 222 is rotated downward relative to the connector 221 so that the connector 221 and the foot pedal 222 are arranged in an L-shape, thereby switching the load-bearing component 2 to a sitting position.

[0056] For example, when the support assembly 2 is in a seated position, the connector 221 is perpendicular to the support body 21 and the footrest 222, the support body 21 and the footrest 222 are both arranged horizontally, and the connector 221 is arranged vertically. It should be noted that the included angle between the connector 221 and the support body 21 can also be an acute angle or an obtuse angle, and the included angle between the connector 221 and the footrest 222 can also be an acute angle or an obtuse angle.

[0057] For example, the connector 221 is connected to the support body 21 by a hinge, and the connector 221 is also connected to the foot pedal 222 by a hinge, which makes the connection convenient, quick and easy and low in cost.

[0058] In other embodiments, the connector 221 may also be a connecting rope, which can be pulled to move the footrest unit 22 to a lying position; or the connecting rope can be loosened and the two footrests 222 can be lowered to the underside of the support body 21, and the two footrests 222 can be connected by a snap-fit ​​structure, a magnetic structure, or a pin structure, so that the support assembly 2 is kept in a sitting position.

[0059] To ensure that the connector 221 and the support body 21 maintain a specific angle when the support assembly 2 is in a seated position, a first limiting unit is provided on the connector 221 and / or the support body 21 to limit the angle of rotation of the connector 221 relative to the support body 21, and a second limiting unit is provided on the connector 221 and / or the foot pedal 222 to limit the angle of rotation of the foot pedal 222 relative to the connector 221.

[0060] For example, the supporting body 21 and the connecting member 221 are rotatably connected via a first hinge axis. The first limiting unit includes two first limiting members and a first limiting mating part. The supporting body 21 is provided with two first limiting members, and the connecting member 221 is provided with a first limiting mating part. The first limiting mating part is located circumferentially between the two first limiting members along the first hinge axis. When the supporting assembly 2 is in a sitting position, the first limiting mating part abuts against one of the first limiting members; when the supporting assembly 2 is in a lying position, the first limiting mating part abuts against the other first limiting member. In other embodiments, the first limiting members may be provided on the connecting member 221, and the first limiting mating part may be provided on the supporting body 21.

[0061] The footrest 222 and the connecting member 221 are rotatably connected via a second hinge shaft. The second limiting unit includes two second limiting members and a second limiting mating part. The connecting member 221 is provided with two second limiting members, and the footrest 222 is provided with a second limiting mating part. The second limiting mating part is located circumferentially between the two second limiting members along the second hinge shaft. When the bearing assembly 2 is in a sitting position, the second limiting mating part abuts against one of the second limiting members. When the bearing assembly 2 is in a lying position, the second limiting mating part abuts against the other second limiting member. In other embodiments, the second limiting members can also be provided on the footrest 222, and the second limiting mating part can be provided on the connecting member 221.

[0062] It should be noted that the structure of the first limiting unit and the second limiting unit is not limited to the structure described above. Other structures can also be used, such as a hinge structure with a rotation angle limiting function. This is existing technology in the field and will not be described in detail here.

[0063] like Figure 3As shown, in this embodiment, when the support component 2 is in a reclining position, at least one surface of the connector 221 and the footrest 222 is flush with the upper surface of the support body 21 to form a support surface, and the upper surface of the other is not higher than the upper surface of the support body 21. This improves user comfort when the user is lying in the trolley. It should be noted that, alternatively, when the support component 2 is in a reclining position, at least one surface of the connector 221 and the footrest 222 may be higher than the upper surface of the support body 21, or both may be lower than the upper surface of the support body 21. In this case, the user can choose to lay down a mat to further enhance comfort.

[0064] Specifically, one of the foot pedal 222 and the connector 221 is provided with a receiving groove, and when the bearing assembly 2 is in a lying position, the other of the foot pedal 222 and the connector 221 is stored in the receiving groove.

[0065] Taking the bearing assembly 2 in a lying position with the foot pedal 222 housed in the receiving groove on the connector 221 as an example, if the connector 221 uses two connecting rods, one end of each rod is hinged to opposite sides of the bearing body 21 via a hinge shaft, and the other end is hinged to opposite sides of the foot pedal 222. The two connecting rods, the foot pedal 222, and the bearing body 21 form a receiving groove. When the bearing assembly 2 is switched to a lying position, rotating the foot pedal 222 will house it within this receiving groove.

[0066] It should be noted that the connector 221 is not limited to the structure described above. It can also be a U-shaped structure, with the open side of the U-shaped structure hinged to the foot pedal 222 and the bottom of the U-shaped structure hinged to the load-bearing body 21. The connector 221 can also be other types of structures, such as E-shaped structures, which will not be listed here.

[0067] In other embodiments, the connector 221 can be stored in the receiving groove on the foot pedal 222 when the supporting component 2 is in a lying position; however, this will not be described in detail here.

[0068] In other embodiments, when the support component 2 is in a lying position, the connector 221 is located below the foot pedal 222 and supports the foot pedal 222, with the upper surface of the foot pedal 222 flush with the upper surface of the support body 21.

[0069] Specifically, the hinge axis connecting the connector 221 and the bearing body 21 is lower than the upper surface of the bearing body 21. When the connector 221 is rotated to the horizontal position, the upper surface of the connector 221 is lower than the upper surface of the bearing body 21. The height difference between the upper surface of the connector 221 and the upper surface of the bearing body 21 is equal to the thickness of the foot pedal 222, so that when the bearing assembly 2 is in a seated position, the upper surface of the foot pedal 222 is flush with the upper surface of the bearing body 21.

[0070] It should be noted that when the bearing component 2 is in a seated position, the lower surface of the connector 221 can be higher than the lower surface of the bearing body 21, flush with the lower surface of the bearing body 21, or lower than the lower surface of the bearing body 21, and will not be specifically limited here.

[0071] In this embodiment, as Figure 1 and Figure 4 As shown, the support frame 1 is movably connected to the support limiting part 3, which has a first position and a second position. When the support limiting part 3 is in the first position, the support component 2 is in a lying position, and the support limiting part 3 blocks one side of the foot pocket unit 22 to restrict the movement of the foot pocket unit 22, so that the support component 2 is kept in at least one of the lying and sitting positions. When the support limiting part 3 is in the second position, the foot pocket unit 22 can move so that the support component 2 can switch between the lying and sitting positions.

[0072] For example, when the support component 2 is in a lying position, one end of the support limiting part 3 is located directly below the connector 221 to support the connector 221. The support limiting part 3 can restrict the support component 2 from switching from a lying position to a sitting position, so that the support component 2 remains in a lying position. When the support limiting part 3 is in the second position, the support limiting part 3 is located on one side of the connector 221 in the horizontal direction, so that the support component 2 can switch from a lying position to a sitting position.

[0073] For example, the support limiting part 3 is provided in two sets, which are rotatably connected to the support frame 1. The two sets of support limiting parts 3 are respectively distributed at the left and right ends of the connector 221, and each set of support limiting parts 3 includes, but is not limited to, one support limiting part 3. This arrangement can improve the stability of the connector 221 when the support limiting part 3 supports the connector 221.

[0074] After switching the support assembly 2 from a sitting position to a lying position, rotate the support limiting part 3 so that one end of the support limiting part 3 is directly below the connector 221. The two sets of support limiting parts 3 support the connector 221, keeping it horizontal. Whether the support limiting part 3 needs to support the foot pedal 222 depends on the positional relationship between the foot pedal 222 and the connector 221 when the support assembly 2 is in the lying position. The connector 221 can be used to support the foot pedal 222, or the support limiting part 3 can be used to support both the foot pedal 222 and the connector 221 simultaneously.

[0075] Before switching the load-bearing component 2 from a lying position to a sitting position, rotate the two sets of support limiting parts 3 so that the support limiting part 3 on the end side of the connector 221 is completely rotated to the left side of the connector 221, and the support limiting part 3 on the right end of the connector 221 is completely rotated to the right side of the connector 221, so that the support limiting parts 3 will not affect the rotation of the connector 221 and the foot pedal 222 to switch the load-bearing component 2 from a lying position to a sitting position.

[0076] It should be noted that the support limiting part 3 is not limited to being rotatably connected to the support frame 1. It can also be pulled out. For example, a slot can be provided on the support frame 1. The support limiting part 3 has an installation end and a support end that are arranged opposite to each other. The installation end of the support limiting part 3 is linearly movable in the slot in the left and right direction, so that the support end of the support limiting part 3 can move in and out of the slot in the left and right direction. When the bearing component 2 is in a lying position, the support end of the support limiting part 3 extends out of the slot. The support limiting part 3 is located directly below the connector 221 to support the connector 221. After the support end of the support limiting part 3 is retracted into the slot, the connector 221 can be rotated to switch the bearing component 2 between a lying position and a sitting position.

[0077] In other embodiments, the position of the support limiting part 3 can be changed, or the number of support limiting parts 3 can be increased, so that when the support assembly 2 is in a sitting position, it has a support limiting part 3 located in the footrest space 223. This support limiting part 3 abuts against the connector 221 in the front-back direction to restrict the connector 221 from rotating in the direction that would allow the support assembly 2 to switch to a lying position. Before switching the support assembly 2 to a lying position, the support assembly 2 is rotated to one side of the footrest unit 22.

[0078] like Figure 1 and Figure 2 As shown, in some embodiments, there are two supporting bodies 21, and two independent foot pocket units 22. When the supporting assembly 2 is in a sitting position, the two foot pocket units 22 are located between the two supporting bodies 21, and the two foot pocket units 22 together form a footrest space 223. Specifically, when the supporting assembly 2 is in a lying position, the two foot pocket units 22 are located between the two supporting bodies 21 in the front-back direction.

[0079] In this embodiment, to ensure that the support component 2 can be stably maintained in a seated position, a connecting component is provided between the two footrest units 22. The two foot pedals 222 are detachably connected via the connecting component, which can be a snap-fit ​​structure or a magnetic structure, etc. When the user places their foot into the footrest space 223 and presses it on the foot pedal 222, the connecting component restricts the foot pedal 222 from rotating downwards under the user's pressure, thereby improving the stability of the support component 2 in a seated position and enhancing the user experience.

[0080] In other embodiments, such as Figure 5 As shown, a supporting body 21 can also be provided, along with two footrest units 22. When the supporting component 2 is in a seated position, one footrest unit 22 is located between the other footrest unit 22 and the supporting body 21, with the two footrest units 22 forming a footrest space 223. In other words, when the supporting component 2 is in a lying position, both footrest units 22 are located on the front or rear side of the supporting body 21. Figure 6 As shown, a supporting body 21 can also be provided, along with two footrest units 22. When the supporting component 2 is in a seated position, the two footrest units 22 are located on opposite sides of the supporting body 21, with each footrest unit 22 forming a footrest space 223; in other words, when the supporting component 2 is in a lying position, the supporting body 21 is positioned between the two footrest units 22 in the front-to-back direction. Figure 7 As shown, three supporting bodies 21 and two foot pocket units 22 can also be set. When the supporting component 2 is in a sitting position, the three supporting bodies 21 are distributed at intervals in the front-back direction, and a foot pocket unit 22 is set between two adjacent supporting bodies 21. Each foot pocket unit 22 forms a foot pedal space 223.

[0081] In this embodiment, the frame has an unfolded state and a folded state. When the load-bearing component 2 is in a lying position, the frame can switch from the unfolded state to the folded state. The frame can also switch from the unfolded state to the folded state when the load-bearing component 2 is close to the support frame 1.

[0082] Specifically, the two supporting bodies 21 are the first supporting frame 21a and the second supporting frame 21b, respectively. The frame includes two frame assemblies arranged vertically. The two frame assemblies have the same structure. The frame assembly includes a first frame 15 and a second frame 16 arranged at intervals in the front-rear direction. The first frame 15 and the second frame 16 are connected at one end in the left-right direction by a first connecting unit, and the first frame 15 and the second frame 16 are connected at the other end in the left-right direction by a second connecting unit.

[0083] The first support frame 21a is hinged to the first frame 15 via the first support hinge shaft 70, and the second support frame 21b is hinged to the second frame 16 via the second support hinge shaft 80. Before switching the frame from the unfolded state to the folded state, the support assembly 2 is first switched to the lying position. Then, the first support hinge shaft 70 is rotated upward to bring the first support frame 21a closer to the first frame 15. The second support frame 21b is rotated upward around the second support hinge shaft 80 to bring the second support frame 21b closer to the second frame 16. Then, the frame is switched from the unfolded state to the folded state.

[0084] For example, both the first load-bearing hinge shaft 70 and the second load-bearing hinge shaft 80 extend in the left-right direction. In other embodiments, both the first load-bearing hinge shaft 70 and the second load-bearing hinge shaft 80 may extend in the front-back direction.

[0085] Regardless of whether the load-bearing component 2 is in a lying or sitting position, the first load-bearing frame 21a and the second load-bearing frame 21b are sandwiched between the first connecting unit and the second connecting unit in the left-right direction, thereby restricting the frame from switching to a folding state.

[0086] In this embodiment, the first connecting unit includes a first connecting rod 11 and a second connecting rod 12. One end of the first connecting rod 11 is hinged to the first frame 15 via hinge shaft 10, and the other end is hinged to the second frame 16 via hinge shaft 20. The first connecting rod 11 and the second connecting rod 12 are hinged together via hinge shaft 30. The second connecting unit includes a third connecting rod 13 and a fourth connecting rod 14. One end of the third connecting rod 13 is hinged to the first frame 15 via hinge shaft 40, and the other end is hinged to the second frame 16 via hinge shaft 50. The third connecting rod 13 and the fourth connecting rod 14 are hinged together via hinge shaft 60.

[0087] Hinged shaft 10, hinged shaft 20, hinged shaft 30, hinged shaft 40, hinged shaft 50 and hinged shaft 60 all extend in the vertical direction.

[0088] Taking the first frame 15 as an example, when switching the frame from the unfolded state to the folded state, first press the hinge shaft 30 and hinge shaft 60 in the left and right directions to bring them closer to each other. The first connecting rod 11 will rotate around the hinge shaft 10, bringing the hinge shaft 60 closer to the hinge shaft 20. The third connecting rod 13 will rotate around the hinge shaft 40, bringing the hinge shaft 50 closer to the hinge shaft 30. This will cause the first connecting rod 11 to pull the second connecting rod 12 closer to the first frame 15, and the second connecting rod 12 to pull the second frame 16 closer to the first frame 15. At the same time, the third connecting rod 13 will pull the fourth connecting rod 14 closer to the first frame 15, and the fourth connecting rod 14 will pull the second frame 16 closer to the first frame 15. This will cause both the first connecting unit and the second connecting unit to be folded between the first frame 15 and the second frame 16.

[0089] The first frame 15 includes a frame body 151 extending in the left-right direction, and two frame connecting parts 152 connected to the two ends of the frame body 151 in the left-right direction. One frame connecting part 152 is hinged to the first connecting rod 11 via a hinge shaft 10, and the other frame connecting part 152 is hinged to the third connecting rod 13 via a hinge shaft 40. The hinge shaft 10 is located between the first bearing hinge shaft 70 and the hinge shaft 40 in the first direction.

[0090] The second frame 16 includes a frame body 2 161 extending in the left-right direction, and two frame connecting parts 2 162 connected to the two ends of the frame body 2 161 in the left-right direction. One frame connecting part 2 162 is hinged to the third connecting rod 13 via a hinge shaft 2 20, and the other frame connecting part 2 162 is hinged to the fourth connecting rod 14 via a hinge shaft 50. The hinge shaft 50 is located between the second bearing hinge shaft 80 and the hinge shaft 2 20 in the first direction.

[0091] This configuration ensures that when the first support frame 21a is close to the first frame 15 and the second support frame 21b is close to the second frame 16, the support assembly 2 will not interfere with the folding of the frame.

[0092] In other embodiments, by defining the structure of the support frame 1 itself, the frame can be switched from an unfolded state to a folded state when the load-bearing component 2 is in a seated position. Specifically, the support frame 1 includes a first bracket and a second bracket that are movably connected. Each of the first and second brackets is movably connected to a load-bearing component 2. When the load-bearing component 2 is in either a reclining or seated position, the first and second brackets can move closer together to switch the frame from an unfolded state to a folded state. For example, the first and second brackets are hinged by a bracket hinge axis, which can rotate around the bracket hinge axis, which extends in the left-right direction. When the frame is in the unfolded state and the load-bearing component 2 is in a seated position, the foot pocket unit 22 is located below the load-bearing body 21. When the frame is in the folded state and the load-bearing body 21 is in a seated position, the support frame 1 is located between the two foot pocket units 22, that is, the first and second brackets are flipped upwards around the bracket hinge axis. At this time, the foot pocket units 22 do not affect the folding of the entire frame. When the foot pocket unit 22 does not affect the folding of the entire frame, the foot pocket unit 22 can be foldable, or it can be fixed to the support frame 1. In some other embodiments, the load-bearing component 2 can also be detachably installed on the support frame 1. After the load-bearing component 2 is detached from the support frame 1, the frame can switch freely between the folded and unfolded states, which can avoid the load-bearing component 2 interfering with the folding of the entire frame.

[0093] It is worth noting that the directional terms such as "front", "back", "left", "right", "up", and "down" mentioned above are all based on the direction relative to the direction in which the trolley is in use. That is, the front side of a structure refers to the side of the structure facing the direction in which the trolley is traveling, and the rear side of a structure refers to the side of the structure away from the direction in which the trolley is traveling.

[0094] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A frame, characterized in that, include: Supporting framework; A load-bearing component includes a load-bearing body and a foot pocket unit, wherein the load-bearing body is disposed on the support frame, and the foot pocket unit is movably connected to the support frame or the load-bearing body; The support component has a sitting position and a lying position. When the support component is in the sitting position, the foot pocket unit forms a footrest space with a top opening, and the upper surface of the support body forms a support surface for sitting. When the supporting component is in a lying position, the surface of the foot pocket unit and the upper surface of the supporting body together form a support surface for lying down.

2. The frame according to claim 1, characterized in that, The foot pocket unit includes: A connector, one end of which is movably connected to the load-bearing body or the support frame; A foot pedal, which is movably connected to the other end of the connector; When the support component is in a seated position, the footrest is located below the support body, and the footrest and the support body are located on opposite sides of the connector.

3. The frame according to claim 2, characterized in that, When the supporting component is in the lying position, at least one of the connector and the footrest has a surface flush with the upper surface of the supporting body to form the supporting surface, and the other surface is not higher than the upper surface of the supporting body.

4. The frame according to claim 3, characterized in that, One of the footrest and the connector is provided with a receiving groove, and when the supporting component is in the lying position, the other of the footrest and the connector is housed in the receiving groove.

5. The frame according to claim 3, characterized in that, When the supporting component is in the lying position, the connector is located below the footrest and supports the footrest, and the surface of the footrest is flush with the upper surface of the supporting body.

6. The frame according to claim 2, characterized in that, The support frame is movably connected to a support limiting part, which has a first position and a second position. When the support limiting part is in the first position, the support limiting part blocks one side of the foot pocket unit to restrict the movement of the foot pocket unit, so that the support component can be maintained in at least one of the lying position and the sitting position; when the support limiting part is in the second position, the foot pocket unit can be moved so that the support component can switch between the lying position and the sitting position.

7. The frame according to claim 2, characterized in that, The foot pocket unit is provided in two parts, and the two foot pocket units are independent of each other; When the support component is in a seated position, at least one of the foot pocket units is provided with the support body on the side away from the other foot pocket unit, and the two foot pocket units together form a foot pedal space; Alternatively, when the supporting component is in a seated position, a supporting body is provided between the two foot pocket units, and each foot pocket unit forms a footrest space.

8. The frame according to any one of claims 2 to 7, characterized in that, The chassis also includes: A first limiting unit is disposed on the connector and / or the supporting body, and is used to limit the angle of rotation of the connector relative to the supporting body; And / or, The second limiting unit is disposed on the connector and / or the foot pedal, and is used to limit the angle of rotation of the foot pedal relative to the connector.

9. The frame according to any one of claims 1 to 7, characterized in that, The frame has an unfolded state and a folded state. When the load-bearing component is in a lying or sitting position, the frame can switch from the unfolded state to the folded state. Alternatively, when the supporting component is in a lying or sitting position, the frame is restricted from switching from the unfolded state to the folded state. Alternatively, the load-bearing component is detachably connected to the support frame, and when the load-bearing component is detached from the support frame, the vehicle frame can switch from the unfolded state to the folded state; Alternatively, when the load-bearing component is close to the support frame, the vehicle frame can switch from the unfolded state to the folded state.

10. A trolley, characterized in that, Includes wheels and a frame as described in any one of claims 1 to 9, wherein the wheels are movably disposed at the bottom of the support frame.

Images