CN216611266U

CN216611266U - Hand cart

Info

Publication number: CN216611266U
Application number: CN202123440769.XU
Authority: CN
Inventors: 李双南; 姚燕梅
Original assignee: Shengdoushi Shanghai Technology Development Co Ltd
Current assignee: Shengdoushi Shanghai Science and Technology Development Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-27
Anticipated expiration: 2031-12-31

Abstract

The application provides a handcart, including bottom plate, rotationally assemble in first support piece and the second support piece of bottom plate and be used for bearing the weight of the carrier of external object. The first supporting piece and the second supporting piece are positioned on two opposite sides of the bottom plate, and the bearing piece is detachably assembled on the first supporting piece and the second supporting piece. The cart includes a carrying state and a folded state. Wherein, the first supporting piece comprises a first limiting piece; the second supporting piece comprises a second limiting piece, and the second limiting piece and the first limiting piece are located in the same horizontal plane. When the trolley is in a bearing state, the first supporting piece and the second supporting piece extend upwards from the surface of the bottom plate, and the bearing piece is assembled between the second limiting piece and the first limiting piece. When the trolley is in a folding state, the first support piece and the second support piece are foldably assembled on the surface of the bottom plate. The handcart adopts a double-layer structure, so that the transportation capacity of the handcart is improved. And the folding arrangement can save the storage space and is suitable for various occasions.

Description

Hand cart

Technical Field

The application relates to the technical field of transportation, especially, relate to a handcart.

Background

The handcart is a transportation tool frequently used when carrying tools and articles, and has the advantages of light dead weight, low manufacturing cost, easy operation and the like, thereby showing convenience when carrying small goods in short distance. However, most of the related trolleys are not easy to fold, occupy large space and have higher transportation cost, and particularly under the condition that the storage space and the transportation space are limited, the use of the trolley has great limitation.

SUMMERY OF THE UTILITY MODEL

The present application provides a foldable trolley.

The embodiment of the application provides a handcart, includes: the device comprises a bottom plate, a first supporting piece and a second supporting piece which are rotatably assembled on the bottom plate, and a bearing piece for bearing an external object; the first supporting piece and the second supporting piece are positioned on two opposite sides of the bottom plate, and the bearing piece is detachably assembled on the first supporting piece and the second supporting piece; the trolley comprises a bearing state and a folding state; wherein the content of the first and second substances,

the first support comprises a first limit piece; the second supporting piece comprises a second limiting piece, and the second limiting piece and the first limiting piece are positioned in the same horizontal plane; when the trolley is in the bearing state, the first supporting piece and the second supporting piece extend upwards from the surface of the bottom plate, and the bearing piece is assembled between the second limiting piece and the first limiting piece;

when the trolley is in the folding state, the first support piece and the second support piece are foldably assembled on the surface of the bottom plate.

Optionally, the first limiting member includes a first supporting surface and a first flange provided at an edge of the first supporting surface; the second limiting piece comprises a second supporting surface and a second flange arranged at the edge of the second supporting surface; the bearing piece is detachably assembled on the first supporting surface and the second supporting surface, and the outer edge of the bearing piece is clamped between the first flange and the second flange.

Optionally, the bottom plate includes a bearing surface; the trolley comprises a pair of first fixing parts which are positioned on the same side of the carrying surface relative to the second supporting part; the first supporting piece is movably connected with the bearing surface through the pair of first fixing pieces.

Optionally, the first fixing member includes a first fixing base and a first connecting shaft connected to the first fixing base; the first fixing base is fixed on the bearing surface, and the first supporting piece is movably connected with the first fixing base through the first connecting shaft and is switched between the bearing state and the folding state around the first connecting shaft.

Optionally, the trolley comprises a first locking member for locking the first support; the first locking part is movably connected with the pair of first fixing parts.

Optionally, the first locking member comprises a connecting rod and a return spring; the first fixing base comprises sliding grooves arranged along the extending direction of the first supporting piece, two ends of the connecting rod are arranged in the sliding grooves of the pair of first fixing bases, one end of the reset spring is connected with the first connecting shaft, and the other end of the reset spring is connected with the connecting rod so as to keep the connecting rod in abutting connection with the first supporting piece; when the trolley is in the bearing state, the connecting rod is abutted against one side of the first supporting piece, which is far away from the second supporting piece, under the acting force of the return spring; when the trolley is in the folded state, the connecting rod is positioned at the bottom of the first supporting piece, and under the action force of the return spring, the connecting rod is abutted to one side, close to the bearing surface, of the first supporting piece.

Optionally, the first fixing member includes a first fixing base and a first connecting shaft connected to the first fixing base; the mounting position of the first connecting shaft fixed on the first fixing base is higher than the highest point position of the second supporting piece folded on the bearing surface; and/or the second supporting piece is folded on the bearing surface, and the edge of the second supporting piece is abutted against one side, close to the second supporting piece, of the first fixing base.

Optionally, the bottom plate extends along a first direction and a second direction, and the bottom plate includes a first side wall and a second side wall arranged along the second direction; the trolley comprises a pair of second fixing pieces, and the pair of second fixing pieces are respectively arranged on the first side wall and the second side wall; the second supporting piece is movably connected to the first side wall and the second side wall through the pair of second fixing pieces.

Optionally, the second fixing member includes a second fixing base and a second connecting shaft connected to the second fixing base; the second fixing base is fixed on the first side wall, and the second supporting piece is movably connected with the second fixing base through the second connecting shaft and wound on the second connecting shaft to be switched between the bearing state and the folding state.

Optionally, the cart further comprises a second locking member for locking the second support member, and the second locking member is movably connected with the second fixing member; the second locking piece comprises a clamping piece, and the clamping piece is arranged on the first side wall; the second fixing base is provided with a limiting groove; when the trolley is in the bearing state, the clamping piece is assembled in the limiting groove and is in limiting fit with the limiting groove so as to be abutted against one side, close to the first supporting piece, of the second supporting piece; and/or the trolley also comprises at least one rubber anti-collision strip, and the at least one rubber anti-collision strip is arranged on the first side wall and/or the second side wall and is positioned on one side of the second fixing base, which is far away from the first supporting piece.

Optionally, the bottom plate extends along a first direction and a second direction, the first direction and the second direction are in the same horizontal plane, and the second direction is a direction perpendicular to the first direction; the first supporting piece and the second supporting piece are arranged on two opposite sides of the bottom plate along the first direction; when the trolley is in the bearing state, the second supporting piece is obliquely arranged relative to the bearing surface; and/or the bottom plate comprises a third side wall and a fourth side wall which are oppositely arranged along the first direction; the trolley comprises a clamping hook and a lifting handle; the clamping hook is arranged on the third side wall and is movably connected with the bottom plate; when the trolley is in the folded state, the clamping hook is connected with the outer edge of the first supporting piece in a buckling mode; the handle is arranged on the fourth side wall.

Optionally, the first support member includes a first main body portion and a handheld portion for a user to operate; the handheld part is bent relative to the extending direction of the first main body part; and/or the first limiting piece is arranged on the first main body part, and a distance is formed between the first limiting piece and the handheld part in the extending direction of the first main body part; and/or the first support piece is folded on the surface of the bottom plate, and the edge of the handheld part does not exceed the edge of the bottom plate; and/or the first limiting part comprises a first buckle assembly which is detachably assembled on the first main body part.

Optionally, the second supporting member includes a second main body portion and a supporting portion for supporting the second limiting member; the second limiting part comprises a second buckle assembly which is detachably assembled on the supporting part; and/or the second support is folded under the first support.

Optionally, the carrier comprises a tray.

The handcart that this application embodiment provided uses bilayer structure, and space utilization is high, improves the transportation capacity of handcart. And the first supporting piece and the second supporting piece are arranged in a folding mode, so that the storage space can be saved, and the folding type folding device is suitable for various occasions.

Drawings

Fig. 1 is a schematic structural view showing one example of a loading state of the cart of the present application.

Fig. 2 is a schematic top view of the cart shown in fig. 1.

Fig. 3 is a front view of the cart shown in fig. 1.

Fig. 4 is a side view of the cart shown in fig. 1.

Fig. 5 is a bottom view of the cart shown in fig. 1.

Fig. 6 is a schematic view of an embodiment of the cart of the present application in a collapsed position.

Fig. 7 is a top view of the cart shown in fig. 6.

Fig. 8 is a front view of the cart shown in fig. 6.

Fig. 9 is a side view of the cart shown in fig. 6.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" includes two, and is equivalent to at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The trolley comprises a bottom plate, a first supporting piece, a second supporting piece and a bearing piece, wherein the first supporting piece and the second supporting piece are rotatably assembled on the bottom plate, and the bearing piece is used for bearing an external object. The first supporting piece and the second supporting piece are positioned on two opposite sides of the bottom plate, and the bearing piece is detachably assembled on the first supporting piece and the second supporting piece. The cart includes a carrying state and a folded state. Wherein, the first supporting piece comprises a first limiting piece; the second supporting piece comprises a second limiting piece, and the second limiting piece and the first limiting piece are located in the same horizontal plane. When the trolley is in a bearing state, the first supporting piece and the second supporting piece extend upwards from the surface of the bottom plate, and the bearing piece is assembled between the second limiting piece and the first limiting piece. When the handcart is in a folding state, the first support piece and the second support piece are assembled on the surface of the bottom plate in a folding mode, and the second support piece is pressed against the lower side of the first support piece. The handcart adopts a double-layer structure, the space utilization rate is high, and the transportation capacity of the handcart is improved. And the first supporting piece and the second supporting piece are arranged in a folding mode, so that the storage space can be saved, and the folding type folding device is suitable for various occasions.

The handcart is a carrying vehicle pushed and pulled by manpower, and is a common transportation tool for transporting goods in life. The trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance. Most of the related trolleys are not easy to fold, occupy large space and have higher transportation cost, and particularly have great limitation in use under the condition that the storage space and the transportation space are limited.

Accordingly, the present application provides a collapsible cart. The trolley of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.

Fig. 1 shows a schematic structural view of an embodiment of the trolley 1 according to the invention in a loaded state. Fig. 2 shows a schematic top view of the trolley 1 shown in fig. 1. Fig. 3 is a front view of the cart 1 shown in fig. 1. Fig. 4 shows a side view of the trolley 1 according to fig. 1. Fig. 5 shows a bottom view of the trolley 1 shown in fig. 1. Fig. 6 shows a schematic view of an embodiment of the folding position of the trolley 1 according to the invention. Fig. 7 shows a top view of the trolley 1 according to fig. 6. Fig. 8 is a front view of the cart 1 shown in fig. 6. Fig. 9 shows a side view of the trolley 1 according to fig. 6. Referring to fig. 1 to 9, the cart 1 includes a loading state and a folded state. In the embodiment shown in fig. 1 to 5, the trolley 1 is in a loaded state. In the embodiment shown in fig. 6 to 9, the trolley 1 is in a collapsed state. In particular, the amount of the solvent to be used,

the cart 1 includes a floor 11, a first support 12 and a second support 13 rotatably assembled to the floor 11, and a carrier (not shown) for carrying an external object. The first support 12 and the second support 13 are located at opposite sides of the bottom plate 11, and the carrier is detachably assembled to the first support 12 and the second support 13. The base plate 11 serves as a carrier for supporting and/or fixing the first support 12 and the second support 13. The trolley 1 is in a loaded state and can use the space above the floor 11 for carrying or transporting objects. The trolley 1 is in a folded state to be stored, reducing the occupied space.

In the embodiment shown in fig. 1-5, the trolley 1 is in a loaded state, and the first support 12 and the second support 13 are in an open state. The first support 12 and the second support 13 extend upward from the surface of the base plate 11. The first support 12 and the second support 13 may function as a support. In some embodiments, the first support 12 includes a first retaining member 121. The second support 13 includes a second stopper 131. The carrier is assembled between the second limiting member 131 and the first limiting member 121. When the carrier is assembled to the second limiting member 131 and the first limiting member 121, the carrier is located above the bottom plate 11. This arrangement provides the cart 1 with two carrying surfaces, which can carry or transport objects not only by the surface of the floor 11, but also by the carrying members. The handcart 1 has a double-layer structure, the space utilization rate is high, and the transportation capacity of the handcart 1 can be improved. In some embodiments, the carrier comprises a tray. In other embodiments, the carrier includes other components, which are not limited in this application.

In the process, the bearing member is assembled between the second limiting member 131 and the first limiting member 121, so that a user can conveniently detach the bearing object and the bearing member together, and the use is flexible. And the bearing piece is disassembled to be convenient for cleaning. The second limiting member 131 and the first limiting member 121 are arranged in the same horizontal plane, so that the surfaces of the bearing member and the bottom plate 11 are kept flat, the side turning caused by inclination in the transportation process is avoided, and the safety is improved.

In the embodiment shown in fig. 6-9, the trolley 1 is in a collapsed state, the carrier being detachable. The first support 12 and the second support 13 are in a folded state. Wherein the second support 13 is folded towards the first support 12 and the first support 12 is folded towards the second support 13. The first support 12 and the second support 13 are foldably assembled to a surface of the bottom plate 11.

In some embodiments, the width of the first support 12 is less than the width of the bearing surface 111. In some embodiments, the width of the second support member 13 is greater than the width of the carrying surface 111. When folded, the second support 13 is pressed or folded under the first support 12. When the trolley does not need to bear or transport objects, the first supporting piece 12 and the second supporting piece 13 are folded and stored, so that the occupied space of the trolley 1 is reduced, the storage space can be saved, and the trolley is suitable for various occasions.

In this embodiment the trolley 1 is intended for use in a restaurant, fast food or restaurant or the like, and the carrier may be a suitable dish or tray or a bread tray or the like. The object carried may be raw food material or processed food. In other embodiments, the bearing can be applied to other application scenarios, and the bearing can be other bearing structures. And are not limited in this application.

Wherein, the first support 12 can be a main support for a user to push and pull. When the double-layer bearing is not needed, the second supporting member 13 can be folded on the surface of the bottom plate 11, and the food or food can be carried or transported by using the surface of the bottom plate 11. The bottom plate 11 can carry or transport food materials or food with larger height and/or volume, and the use scene is more flexible.

When double-layer bearing is needed, the first support 12 and the second support 13 are both opened, and the bearing piece is assembled on the first support 12 and the second support 13. In this scenario, the cart 1 can carry or transport food materials or food not only by using the surface of the bottom plate 11, but also by using the carrier. For example, the surface of the base plate 11 may carry raw food material having a large volume and/or weight, and the carrier may carry processed food having a small volume and/or weight. Therefore, the trolley 1 is provided with two bearing surfaces, the space utilization rate above the bottom plate 11 is improved, objects of different types can be borne or transported, and the transportation capacity of the trolley 1 is improved. In addition, the bearing piece is detachably assembled, so that the bearing piece is convenient to disassemble and clean.

As shown in fig. 1 to 9, the first limiting member 121 includes a first supporting surface 1211 and a first flange 1212 (shown in fig. 1) disposed at an edge of the first supporting surface 1211. One of the edges of the first support surface 1211 is aligned with the outermost edge of the first support 12, which is relatively close to the second support 13, in the first direction X1. With such an arrangement, when the first supporting member 12 is folded on the bearing surface 111, the edge of the first supporting surface 1211 and the first supporting member 12 are in contact with the bearing surface 111 together, so as to increase the contact area and improve the stability. The other edge of the first support surface 1211 is provided with a first flange 1212. The first flange 1212 is provided at an edge of the first support surface 1211 and serves as a barrier and a limitation.

In some embodiments, the second limiting member 131 includes a second supporting surface 1311 and a second flange 1312 (shown in fig. 1) disposed at an edge of the second supporting surface 1311. One of the edges of the second support surface 1311 is aligned with the outermost edge of the second support 13, which is relatively close to the first support 12, in the first direction X1. With such an arrangement, when the second supporting member 13 is folded on the supporting surface 111, the edge of the second supporting surface 1311 and the second supporting member 13 are in contact with the supporting surface 111 together, so as to increase the contact area and improve the stability. The other edge of the second support surface 1311 is provided with a second flange 1312. The second flange 1312 is provided at the edge of the second support surface 1311 and serves as a dam and a limit.

The carrier is detachably assembled to the first support surface 1211 and the second support surface 1311, and the outer edge of the carrier is clamped between the first flange 1212 and the second flange 1312. The first flange 1212 and the second flange 1312 can serve as a barrier and a limit, so that the bearing component is not easy to separate when being assembled on the first support 12 and the second support 13, and the transportation stability is improved. In some embodiments, the carrier may be a groove structure or a flat plate structure. The length and/or width dimensions of the carrier are adapted to the dimensions between the first 1212 and second 1312 flanges.

In some embodiments, the base plate 11 is a flat plate structure. The bottom plate 11 extends in a first direction X1 and a second direction X2. The first direction X1 and the second direction X2 are in the same horizontal plane, and the second direction X2 is a direction perpendicular to the first direction X1 (as shown in fig. 2). The base plate 11 includes a bearing surface 111, and the bearing surface 111 extends along a first direction X1 and a second direction X2. In the present embodiment, the upper surface of the bottom plate 11 is used as a carrying surface 111 for carrying or transporting an object. The first support 12 and the second support 13 are disposed on opposite sides of the bottom plate 11 along a first direction X1 (as shown in fig. 3). The first supporting member 12 is fixed on the bearing surface 111. The second supporting member 13 is fixed to a side wall of the base plate 11.

In some embodiments, when the cart 1 is in the loading state, the first support 12 is vertically disposed with respect to the loading surface 111, and the second support 13 is obliquely disposed with respect to the loading surface 111 (as shown in fig. 3). By arranging the second supporting member 13 obliquely, it is ensured that the second supporting member 13 is adapted in size when folded on the carrying surface 111. And the second support 13 is arranged obliquely, so that the bearing stability carried by the first support 12 and the second support 13 is better.

In some embodiments, the first support 12 includes a first body portion 122 and a handle portion 123 for operation by a user. The first body 122 is protruded on the surface of the carrying surface 111, and the handle 123 is located above the first body 122. The extending direction of the first body portion 122 and the handle portion 123 is perpendicular and bending connected. In some embodiments, the holding portion 123 is disposed in a bending manner relative to the extending direction of the first main body portion 122 (as shown in fig. 3). So set up, guarantee that the user can be laborsaving when push-and-pull handcart 1. In some embodiments, the first limiting member 121 is disposed on the first main body portion 122, and the first limiting member 121 and the handle portion 123 have a distance in the extending direction of the first main body portion 122. The distance is set to ensure that the user can avoid the friction with the object placed on the bearing part as much as possible when holding the handheld part 123 by the hand of the push-pull trolley 1, so that the phenomenon that the hand of the user touches the object to cause side turning is avoided, and the safety is improved.

In some embodiments, the first limiting member 121 is integrally or separately disposed with the first main body 122. In the present embodiment, the first position limiting member 121 is welded to the first main body 122 by argon arc welding. The argon arc welding mode is not limited by the position of a welding part, and can carry out all-position or full-position welding with good stability.

In some embodiments, the second supporting member 13 includes a second main body portion 132 and a supporting portion 133 for supporting the second limiting member 131. The second body 132 is protruded on the surface of the carrying surface 111, and the supporting portion 133 is located above the second body 132. The second body 132 is connected to the support 133 in a bent manner in a direction perpendicular to the extending direction.

In some embodiments, the second limiting member 131 is integrally or separately disposed with the supporting portion 133. In the present embodiment, the second limiting member 131 is welded to the supporting member 133 by argon arc welding. The argon arc welding mode is not limited by the position of a welding part, and can carry out all-position or full-position welding with good stability.

In some other embodiments, the first position-limiting member 121 includes a first snap assembly (not shown), and the first snap assembly is detachably assembled to the first body portion 122. The second limiting member 131 includes a second snap assembly (not shown), and the second snap assembly (not shown) is detachably assembled to the supporting portion 133. The bearing piece is detachably assembled between the first buckle assembly and the second buckle assembly. First buckle subassembly is dismantled with the second buckle subassembly easily, uses in a flexible way. In the present application, the first and second snap assemblies are not limited.

In some embodiments, the first support 12 is a support rod structure. The second support member 13 is a support rod structure. Simple structure and low cost. In other embodiments, the first support 12 is a telescoping support rod arrangement. The second support member 13 is a telescopic support rod structure. By using scalability, objects with large height can be carried, and application scenes can be expanded.

In some embodiments, cart 1 further includes a plurality of quiet wheels 112 disposed on the bottom of floor 11. Through setting up silence wheel 112, guarantee at the in-process of transportation, the noise abatement increases and uses experience. The trolley 1 further comprises a brake 113. A brake member 113 is provided on one of the plurality of mute wheels 112. When transporting to the desired location, the user steps on the brake 113 to position the mute wheel 112 and immobilize the cart 1. In the present embodiment, mute wheel 112 comprises a stainless steel mute wheel.

In some embodiments, cart 1 further includes a reinforcement plate 114 (shown in FIG. 5) disposed on the back of floor 11. A reinforcing plate 114 is arranged on the back side of the bearing surface 111, so that on one hand, the rigidity or hardness of the bottom plate 11 can be enhanced, and the bearing capacity can be increased; and the other characteristic is that the noise in the transportation process can be reduced. In the present embodiments, the reinforcing plate 114 is welded to the back surface of the bottom plate 11 by argon arc welding. The argon arc welding mode is not limited by the position of a welding part, and can carry out all-position or full-position welding with good stability.

In some embodiments, the cart 1 includes a pair of first fixing members 14, and the pair of first fixing members 14 are located on the same side of the loading surface 111 with respect to the second supporting member 13. The first supporting member 12 is movably connected to the carrying surface 111 through a pair of first fixing members 14, so that the first supporting member 12 can be switched between a carrying state and a folded state. In this embodiment, the lower end of the first body portion 122 is connected to a pair of first fixing elements 14 respectively to be fixed on the bearing surface 111. So set up, simple structure, the cost is lower.

In some embodiments, the first fixing member 14 includes a first fixing base 141 and a first connecting shaft 142 connected to the first fixing base 141. The first fixing base 141 is fixed on the bearing surface 111, and the first supporting member 12 is movably connected to the first fixing base 141 by a first connecting shaft 142 and is switched between a bearing state and a folding state around the first connecting shaft 142. So set up, connect first unable adjustment base 141 and first main part 122 through first connecting axle 142, the activity is nimble, simple structure, and the cost is lower. In the present embodiment, the first fixing base 141 is fixed on the bearing surface 111 by argon arc welding. The argon arc welding mode is not limited by the position of a welding part, full-position or full-position welding can be carried out, and the stability is better.

In the embodiment, the first fixing base 141 includes a first fixing portion 1411 fixed on the bearing surface 111 and a stopping portion 1412 (shown in fig. 1) disposed on a top of the first fixing portion 1411. The lower end of the first main body portion 122 is disposed in the first fixing portion 1411 along the extending direction (longitudinal axis direction) of the first supporting member 12, and the first connecting shaft 142 is disposed in the first fixing portion 1411 along the extending direction of the second direction X2 and extends out of the first fixing portion 1411, so as to connect the lower end of the first main body portion 122 with the first fixing portion 1411. The stopping portion 1412 is disposed on a side of the first fixing portion 1411 in the first direction X1, which is relatively far away from the second supporting member 13. The first body portion 122 is connected to the first fixing portion 1411, and rotates from a side relatively close to the second supporting member 13 to a side far from the second supporting member 13 in the first direction X1 until abutting against the abutting portion 1412, so as to ensure that the first body portion 122 is perpendicular to the supporting surface 111.

In this embodiment, the first fixing base 141 further includes a stiffener 1413 connecting the first fixing portion 1411 and the carrying surface 111. The reinforcing member 1413 is disposed inside the first fixing portion 1411 to reinforce the fixing stability of the first fixing portion 1411. And the reinforcing piece 1413 is set to be a triangular plate, the triangular plate has better stability.

In the embodiment, the first supporting member 12 further has a connecting portion 124 disposed at a lower end of the first main body portion 122 for connecting with the first connecting shaft 142 and the first fixing portion 1411. The connection is stable and reliable by arranging the connecting part 124. It is also understood that the connecting portion 124 is a portion of the first body portion 122, and has a cross-sectional area larger than that of the first body portion 122. And are not limited in this application.

In some embodiments, the trolley 1 comprises a first locking member 15 for locking the first support 12. The first locking member 15 is movably connected to a pair of first fixing members 14 (shown in fig. 1). The first locking member 15 is for being held in abutment with the lower end of the first body portion 122.

In some embodiments, the first locking member 15 includes a link 151 and a return spring 152. The first fixing base 141 includes a sliding groove 143 along the extending direction of the first supporting member 12, two ends of the connecting rod 151 are disposed in the sliding grooves 143 of the pair of first fixing bases 141, one end of the return spring 152 is connected to the first connecting shaft 142 extending out of the first fixing portion 1411, and the other end of the return spring 152 is connected to the connecting rod 151 to keep the connecting rod 151 in contact with the first supporting member 12. By the arrangement, the first support 12 is ensured to be in a bearing state or a folding state, and the first locking piece 15 is kept to be abutted against the first support 12, so that the stability and the reliability are ensured. In some embodiments, the sliding groove 143 is disposed on the first fixing portion 1411 and is disposed along the extending direction of the first support 12, and the connecting rod 151 slides in the sliding groove 143 along the extending direction of the first support 12. In some embodiments, the highest point of the sliding groove 143 does not exceed the installation position of the first connecting shaft 142, and is configured to ensure that the connecting rod 151 is always abutted against the lower end of the first body portion 122.

In some embodiments, the connecting rod 151 abuts against a side of the first support 12 away from the second support 13 under the force of the return spring 152 when the trolley 1 is in the loaded state. In some embodiments, the connecting rod 151 abuts against the connecting portion 124 of the first support 12 under the action of the return spring 152, so as to ensure better stability of the first support 12 when the first support 12 is subjected to a push-pull force.

In some embodiments, when the cart 1 is in the folded state, the connecting rod 151 is located at the bottom of the first support 12, and is abutted against the side of the first support 12 close to the bearing surface 111 under the action of the return spring 152. With such an arrangement, the first supporting member 12 can be stably folded on the carrying surface 111 and is not easy to be separated. By providing the link 151 and the return spring 152, when switching between the folded state and the loaded state, the user pushes the link 151 with his foot, and the link 151 slides down along the sliding groove 143, and at this time, the user can hold the first body 122 with his hand to open the first body 122. When the first body 122 is opened, the link 151 returns to its original position by the return spring 152, slides upward along the slide groove 143, and abuts against the connecting portion 124.

In the normal use process, one end of the return spring 152 is connected to the first connecting shaft 142 extending out of the first fixing portion 1411, and the other end of the return spring 152 is connected to the connecting rod 151, so that the connecting rod 151 is always kept in contact with the first support 12. In the embodiment shown in fig. 1 to 9, one end of the return spring 152 is connected to the first connecting shaft 142 extending out of the first fixing portion 1411, and the other end is not connected to the connecting rod 151. When in use, the other end of the return spring 152 is kept connected to the link 151. And will not be described in detail herein.

In some embodiments, the bottom panel 11 includes a first sidewall 115 and a second sidewall 116 disposed along the second direction X2, and a third sidewall 117 and a fourth sidewall 118 disposed along the first direction X1 (as shown in fig. 2). The second support 13 is fixed to the first side wall 115 and the second side wall 116.

In some embodiments, the cart 1 includes a pair of second fasteners 16, the pair of second fasteners 16 being disposed on the first side wall 115 and the second side wall 116, respectively. The second supporting member 13 is movably connected to the first side wall 115 and the second side wall 116 through a pair of second fixing members 16, so that the second supporting member 13 is switched between a carrying state and a folded state. With such an arrangement, the second supporting member 13 is fixed to the first side wall 115 and the second side wall 116 through the pair of second fixing members 16, so as to ensure that the second supporting member 13 is closer to the carrying surface 111 when being folded on the carrying surface 111, thereby reducing the folded volume and saving the storage space.

In some embodiments, the second fixing member 16 includes a second fixing base 161 and a second connecting shaft 162 connected to the second fixing base 161. The second fixing base 161 is fixed to the first sidewall 115, and the second supporting member 13 is movably connected to the second fixing base 161 by a second connecting shaft 162 and is switched between a loading state and a folding state around the second connecting shaft 162. So set up, connect second unable adjustment base 161 and second support piece 13 through second connecting axle 162, the activity is nimble, simple structure, and the cost is lower. In this embodiment, the second fixing base 161 is fixed to the first sidewall 115 or the second sidewall 116 by argon arc welding. The argon arc welding mode is not limited by the position of a welding part, full-position or full-position welding can be carried out, and the stability is better.

In this embodiment, the second fixing base 161 includes a second fixing portion 1611, and a limiting groove 1612 and a connecting groove 1613 disposed on the second fixing portion 1611. The limit groove 1612 and the connection groove 1613 are opened at upper and lower portions of the second fixing portion 1611. The restriction groove 1612 is disposed at an upper portion of the second fixing portion 1611. The connection groove 1613 is opened at a lower portion of the second fixing portion 1611.

In some embodiments, the trolley 1 further comprises a second locking member 17 for locking the second support member 13, the second locking member 17 being movably connected to the second attachment member 16.

In some embodiments, the second locking member 17 includes a latch 171, and the latch 171 is disposed on the first sidewall 115. The trolley 1 further comprises a receiving groove 172 for placing the snap member 171. When the cart 1 is folded, the clip member 171 is placed in the receiving groove 172. When the cart 1 is in the loading state, the engaging member 171 is assembled in the limiting groove 1612 and is in limiting engagement with the limiting groove 1612 to abut against one side of the second support member 13 close to the first support member 12. The clamping member 171 is connected to the second fixing portion 1611 through the connecting groove 1613, and an opening of the connecting groove 1613 is opened downward, so that the clamping member 171 is clamped in the limiting groove 1612 conveniently. The upper portion and the spacing groove 1612 joint of joint spare 171, the lower part and the spread groove 1613 joint of joint spare 171 guarantee like this that second support piece 13 is difficult for taking place to rock when bearing, and fixed effect is better.

In some embodiments, the cart 1 includes a hook 119 disposed on the third sidewall 117 and movably connected to the base 11. In some embodiments, the third sidewall 117 is provided with a first card slot 1171. One end of the hook 119 extends into the first locking groove 1171 and extends to the back of the bearing surface 111 of the connecting bottom plate 11, and the other end is a free end. When the cart 1 is in the folded state, the first supporting member 12 and the second supporting member 13 are folded on the carrying surface 111, and the free end of the hook 119 is snap-connected to the outer edge of the first supporting member 12 (as shown in fig. 6). So set up, when guaranteeing that handcart 1 is in fold condition, utilize pothook 119 to be fixed in bottom plate 11 with first support piece 12 and second support piece 13, can prevent at the in-process of accomodating, first support piece 12 and second support piece 13 scatter, avoid increasing occupation space.

In some embodiments, the hook 119 is protruded with a second locking slot 1191. When the cart 1 is in the loading state, the hook 119 is received in the back of the loading surface 111 of the bottom plate 11, so that the cart is convenient to receive and has an attractive appearance. And (b) and (c). Second draw-in groove 1191 and third lateral wall 117 joint avoid dropping at the in-process of transportation to avoid influencing the transportation. When the trolley 1 is in the collapsed position, the catch 119 is pulled out of the third side wall 117 of the base panel 11 to engage the handle 123. So set up, convenience of customers uses.

In some embodiments, the first support 12 is folded over the surface of the base plate 11, and the edge of the handle 123 does not exceed the edge of the base plate 11 (as shown in fig. 8). The first supporting member 12 is folded on the carrying surface 111, and the handle 123 does not exceed the edge of the carrying surface 111. So set up, be convenient for accomodate, reduce the space that occupies. In some embodiments, the first connecting shaft 142 is fixed on the first fixing base 141 at a position higher than the highest point of the second supporting member 13 folded on the supporting surface 111. With such an arrangement, when the second supporting member 13 is folded on the carrying surface 111, the folding of the first supporting member 12 is not affected, so that the first supporting member 12 is prevented from being separated from the carrying surface 111 by the acting force of the second supporting member 13 when the second supporting member 13 is folded, and the occupied space is increased.

In some embodiments, the second supporting member 13 is folded on the carrying surface 111, and an edge of the second supporting member 13 abuts against a side of the first fixing base 141 close to the second supporting member 13 (as shown in fig. 8). The length of the second supporting member 13 is matched with the dimension between the first fixing base 141 and the second fixing base 161, so that the second supporting member 13 is ensured to be folded on the bearing surface 111, and the fixing effect is better. The handle portion 123 is bent in the extending direction of the first body portion 122. When the first supporting member 12 is in the folded state, the holding portion 123 has a distance with respect to the carrying surface 111 of the base plate 11, so that a user can conveniently grasp the holding portion 123 when needing to open the first supporting member 12.

In some embodiments, the cart 1 further includes at least one rubber bumper strip 120 (shown in fig. 1), wherein the at least one rubber bumper strip 120 is disposed on the first side wall 115 and/or the second side wall 116 and is located on a side of the second fixing base 161 away from the first support 12. The rubber bumper strip 120 has a cushioning effect, so that the user is prevented from colliding with the edge of the bottom plate 11 in the process of pushing and pulling the trolley 1, and unnecessary injuries are avoided. And the rubber bumper strip 120 is arranged at the position of the second fixing base 161, so that the rubber bumper strip can be prevented from colliding with the second fixing base 161, and the safety is improved. In this embodiment, the rubber bumper strip 120 is fixed to the first side wall 115 and/or the second side wall 116 by bolts or bolts, which is good in fixing effect.

In some embodiments, the cart 1 includes a handle (not shown) disposed on the fourth side wall. Through setting up the handle, conveniently take. The handle and the hook 119 are arranged oppositely, and the side wall space of the bottom plate 11 is effectively utilized. In some embodiments, the material of the bottom plate 11, the first support 12 and the second support 13 is stainless steel material. The stainless steel material is not easy to rust, has good corrosion resistance, high strength and long service life. In some embodiments, the cross-sectional area of the first support 12 is equal to or greater than the cross-sectional area of the second support 13. In this embodiment, the first support 12 serves as a main support for a user to push and pull. The cross-sectional area of the first support 12 is larger than the cross-sectional area of the second support 13.

The technical solutions disclosed in the embodiments of the present application can complement each other without generating conflicts.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A cart, comprising: the device comprises a bottom plate, a first supporting piece and a second supporting piece which are rotatably assembled on the bottom plate, and a bearing piece for bearing an external object; the first supporting piece and the second supporting piece are positioned on two opposite sides of the bottom plate, and the bearing piece is detachably assembled on the first supporting piece and the second supporting piece; the trolley comprises a bearing state and a folding state; wherein the content of the first and second substances,

2. A trolley according to claim 1, characterized in that the first retaining element comprises a first supporting surface and a first flange provided at the edge of the first supporting surface; the second limiting piece comprises a second supporting surface and a second flange arranged at the edge of the second supporting surface; the bearing piece is detachably assembled on the first supporting surface and the second supporting surface, and the outer edge of the bearing piece is clamped between the first flange and the second flange.

3. A trolley as claimed in claim 1 or 2, characterized in that the floor comprises a carrying surface; the trolley comprises a pair of first fixing parts which are positioned on the same side of the carrying surface relative to the second supporting part; the first supporting piece is movably connected with the bearing surface through the pair of first fixing pieces.

4. A trolley according to claim 3, characterized in that the first fixing member comprises a first fixing base and a first connecting shaft connected to the first fixing base; the first fixing base is fixed on the bearing surface, and the first supporting piece is movably connected with the first fixing base through the first connecting shaft and is switched between the bearing state and the folding state around the first connecting shaft.

5. A trolley as claimed in claim 4, characterized in that the trolley comprises a first locking member for locking the first support; the first locking part is movably connected with the pair of first fixing parts.

6. The cart of claim 5, wherein the first locking member includes a linkage and a return spring; the first fixing base comprises sliding grooves arranged along the extending direction of the first supporting piece, two ends of the connecting rod are arranged in the sliding grooves of the pair of first fixing bases, one end of the reset spring is connected with the first connecting shaft, and the other end of the reset spring is connected with the connecting rod so as to keep the connecting rod in abutting connection with the first supporting piece; wherein the content of the first and second substances,

when the trolley is in the bearing state, the connecting rod is abutted against one side of the first supporting piece, which is far away from the second supporting piece, under the acting force of the return spring; when the trolley is in the folded state, the connecting rod is positioned at the bottom of the first supporting piece, and under the action force of the return spring, the connecting rod is abutted to one side, close to the bearing surface, of the first supporting piece.

7. A trolley according to claim 3, characterized in that the first fixing member comprises a first fixing base and a first connecting shaft connected to the first fixing base;

the mounting position of the first connecting shaft fixed on the first fixing base is higher than the highest point position of the second supporting piece folded on the bearing surface; and/or

The second supporting piece is folded on the bearing surface, and the edge of the second supporting piece is abutted against one side, close to the second supporting piece, of the first fixing base.

8. A trolley according to any one of the claims 1-2, 4-7, characterized in that the floor extends in a first direction and a second direction, the floor comprising a first side wall and a second side wall arranged in the second direction; the trolley comprises a pair of second fixing pieces, and the pair of second fixing pieces are respectively arranged on the first side wall and the second side wall; the second supporting piece is movably connected to the first side wall and the second side wall through the pair of second fixing pieces.

9. A trolley according to claim 8, characterized in that the second fixing member comprises a second fixing base and a second connecting shaft connected to the second fixing base; the second fixing base is fixed on the first side wall, and the second supporting piece is movably connected with the second fixing base through the second connecting shaft and wound on the second connecting shaft to be switched between the bearing state and the folding state.

10. A trolley according to claim 9, further comprising a second locking member for locking the second support member, the second locking member being movably connected to the second fixing member; the second locking piece comprises a clamping piece, and the clamping piece is arranged on the first side wall; the second fixing base is provided with a limiting groove; when the trolley is in the bearing state, the clamping piece is assembled in the limiting groove and is in limiting fit with the limiting groove so as to be abutted against one side, close to the first supporting piece, of the second supporting piece; and/or

The trolley further comprises at least one rubber anti-collision strip, wherein the at least one rubber anti-collision strip is arranged on the first side wall and/or the second side wall and is positioned on one side, far away from the first supporting piece, of the second fixing base.

11. A trolley according to any one of claims 1-2, 4-7, characterized in that the floor extends in a first direction and a second direction, which first and second directions are in the same horizontal plane, which second direction is a direction perpendicular to the first direction;

the first supporting piece and the second supporting piece are arranged on two opposite sides of the bottom plate along the first direction; when the trolley is in the loading state, the second support is obliquely arranged relative to the surface of the bottom plate; and/or

The bottom plate comprises a third side wall and a fourth side wall which are oppositely arranged along the first direction; the trolley comprises a clamping hook and a lifting handle; the clamping hook is arranged on the third side wall and is movably connected with the bottom plate; when the handcart is in the folded state, the clamping hook is in buckled connection with the outer edge of the first supporting part; the handle is arranged on the fourth side wall.

12. A trolley according to claim 1, characterized in that the first support comprises a first body part and a hand-held part for operation by a user;

the handheld part is bent relative to the extending direction of the first main body part; and/or

The first limiting piece is arranged on the first main body part, and a distance is reserved between the first limiting piece and the handheld part in the extending direction of the first main body part; and/or

The first support piece is folded on the surface of the bottom plate, and the edge of the handheld part does not exceed the edge of the bottom plate; and/or

The first limiting part comprises a first buckle assembly, and the first buckle assembly is detachably assembled on the first main body part.

13. A trolley according to claim 1, characterized in that the second support member comprises a second body part and a support part for supporting a second retaining member; the second limiting part comprises a second buckle assembly which is detachably assembled on the supporting part; and/or

The second support is folded under the first support.

14. A trolley according to any one of claims 1-2, 4-7, 9-10, 12-13, characterized in that the carrier comprises a tray.