CN115923901A - Folding vehicle capable of being rapidly unfolded and stored by single operator and use method thereof - Google Patents
Folding vehicle capable of being rapidly unfolded and stored by single operator and use method thereof Download PDFInfo
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- CN115923901A CN115923901A CN202211489536.5A CN202211489536A CN115923901A CN 115923901 A CN115923901 A CN 115923901A CN 202211489536 A CN202211489536 A CN 202211489536A CN 115923901 A CN115923901 A CN 115923901A
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Abstract
The invention provides a folding vehicle capable of being rapidly unfolded and stored by one person, which comprises a bottom frame and vertical support frame assemblies respectively arranged at two sides of the bottom frame, wherein each vertical support frame assembly comprises an upper support frame and a lower support frame which are hinged with each other, and each lower support frame is hinged with one side edge of the bottom frame and can be turned inwards by taking the side edge as a rotating shaft; the top of the folding trolley is provided with a top frame which is hinged with one of the top edges of the two upper supporting frames and is detachably connected with the other upper supporting frame, and a top plate canopy which is fixed on the top frame; a middle-layer desktop plate is arranged between the connecting part of the upper supporting frame and the lower supporting frame, and an inclined supporting rod is arranged between the lower supporting frame and the bottom frame, so that the folding bicycle can be rapidly unfolded and stored by one-man operation. According to the folding vehicle, the two support frame assemblies of the main body are divided into the upper support frame and the lower support frame which are hinged, and the upper support frame and the lower support frame are folded downwards and stored in the bottom frame, so that the folding area of the largest surface is reduced, and the size is suitable for vehicle-mounted transportation.
Description
Technical Field
The invention relates to a folding bicycle, in particular to a folding bicycle capable of being unfolded and stored rapidly by one person and a using method thereof.
Background
The folding leg is widely used in the field of storage because it effectively utilizes the upper space.
The folding leg is mostly domestic thing folding leg of putting in the existing market, adopts the mode of equipment by oneself, utilizes the axis to fold and forms furthest's space saving. Although the storage rack after folding effectively compresses the thickness, the area of the maximum surface is still very large, so that the difficulty of vehicle-mounted transportation is large, the folding mode is very easy to automatically fold under the condition of misoperation, the frame is easy to deform, the whole structure is unstable, the bearing capacity is poor, and the heavy electromechanical equipment cannot be borne. Therefore, the application range of the folding frame is mostly limited in light-weight limited scenes such as household use and the like, and the folding frame is difficult to be popularized to wider fields.
At present, there are several prior arts in the field of storage:
(1) The central shaft type folding mode: the existing chinese patent document CN215649870 provides a multilayer folding frame, which includes a left side frame and a right side frame, wherein a top layer and a multilayer folding layer are sequentially disposed between the left side frame and the right side frame from top to bottom, the left and right ends of the multilayer folding layer are respectively connected to the left side frame and the right side frame from top to bottom in sequence by a shaft, a positioning end shaft of the top layer is connected to the top end of the left side frame, and a swinging end of the top layer swings around the positioning end to be folded on the left side frame; the front side of the multilayer folding layer is vertically provided with a linkage vertical rod, and the linkage vertical rod is respectively connected with the middle folding position shaft of the multilayer folding layer; the vertical spacing groove that runs through its body is seted up to the vertical on the linkage montant, still slides on the linkage montant and is equipped with U type stopper, vertical spacing inslot be with U type stopper threaded connection's plum blossom handle bolt, all be equipped with the connecting rod between the front column of plum blossom handle bolt and left side bearer, right side bearer, the top of two sets of connecting rods is connected with the front column axle of left side bearer, right side bearer respectively. Therefore, a central shaft type folding mode is realized, and folding and unfolding are realized through up-and-down movement of the linkage vertical rod at the central shaft. However, the folding leg with the above structure has the following disadvantages: too large area after folding, easy deformation along the central axis and poor bearing capacity, thus being not suitable for medical scenes.
(2) Integral folding mode: the existing chinese patent document CN108116469A provides an aviation folding cart, the main folding structure of which is two main upright posts, a main folding area is located between the two main upright posts, one side edge of a middle turning plate frame (shelf) is hinged on the main upright post and is folded towards the main folding area; side supports are arranged on two sides of the main support, the top of each side support is connected with a foldable side turning plate, a plurality of cross beams are connected between the side stand columns and the main stand columns, one ends of the cross beams are fixed on the side stand columns, the other ends of the cross beams are hinged to the main stand columns, and the side turning plates on the two sides are folded inwards by taking the main stand columns as rotating shafts. One side edges of the upper plate and the lower plate are respectively hinged on the two lower supporting rods. The aircraft vehicle is small in volume, so that the integral folding mode is adopted. However, in the case of a folding cart having a large size such as a nucleic acid detecting cart, the area of the main supporting surface is large, and if the folding cart is folded as a whole, the area of the largest surface is large, which is disadvantageous for vehicle transportation.
In summary, the folding stands of the above two folding manners generally have the following disadvantages if applied to scenes other than life:
(1) The area of the largest surface is too large after being folded, and the vehicle-mounted transportation is not convenient.
(2) The bearing capacity is poor, and the application is not suitable for more bearing scenes beyond the life.
(3) The folding leg and the folding vehicle with strong bearing capacity can not be folded and unfolded rapidly by a single person generally.
Disclosure of Invention
The invention aims to provide a folding vehicle capable of being rapidly unfolded and stored by one person and a using method thereof, so that the folding vehicle is small in folding area, portable in vehicle-mounted, rapidly unfolded and stored by one person and stable in structure.
In order to achieve the above object, the present invention provides a foldable vehicle capable of being rapidly unfolded and stored by one person, comprising a bottom frame and two vertical support frame assemblies respectively disposed at two sides of the bottom frame, wherein each vertical support frame assembly comprises an upper support frame and a lower support frame hinged to each other, each lower support frame is hinged to one of the sides of the bottom frame and is rotatable inside with the side as a rotation axis; the top of the folding trolley is provided with a top frame which is hinged with one of the top edges of the upper supporting frames of the two vertical supporting frame assemblies and is detachably connected with the other one of the top edges of the upper supporting frames, and a top plate canopy which is fixed on the top frame; a middle-layer desktop plate is arranged between the connecting parts of the upper supporting frame and the lower supporting frame of the two vertical supporting frame assemblies, and the size of the middle-layer desktop plate is the same as that of the bottom frame; an inclined support rod is arranged between the lower support frame of the vertical support frame assembly and the bottom frame, so that the folding bicycle can be rapidly unfolded and stored by one person.
The upper supporting frame and the lower supporting frame are hinged through a first hinge, the top edge of the supporting frame below the upper supporting frame is a rotating shaft and can be turned outwards in a rotating mode, and the first hinge is a hinge type hinge.
The two vertical support frame assemblies are respectively arranged on a first side and a second side of the bottom frame which are opposite to each other, the upper support frame and the lower support frame of the vertical support frame assembly positioned on the first side of the bottom frame are respectively a first side upper support frame and a first side lower support frame, and the upper support frame and the lower support frame of the vertical support frame assembly positioned on the second side of the bottom frame are respectively a second side upper support frame and a second side lower support frame.
The bottom frame is provided with a third side edge adjacent to the first side edge, one end of the inclined strut is hinged with one of the lower support frame and the third side edge of the bottom frame through a hinge bolt, and the other end of the inclined strut is detachably connected with the other of the lower support frame and the third side edge of the bottom frame through a U-shaped groove and a fixing bolt.
The hinge bolt is located on a third side edge of the bottom frame, and an inclined strut clamping groove used for containing the inclined strut is formed in the third side edge of the bottom frame.
One of the first side edge and the second side edge of the bottom frame is flush with the upper surface of the bottom frame, the other side edge protrudes upwards from the upper surface of the bottom frame, and the height difference between the first side edge and the second side edge is at least the sum of the thicknesses of the upper support frame and the lower support frame.
The first side edge of the top frame is hinged with the top edge of the first side upper support frame through a fourth hinge, so that the top frame can be rotationally folded in a direction which is close to the first side upper support frame by taking the top edge of the first side upper support frame as a rotating shaft; the second side edge of the top frame is detachably connected with the top edge of the support frame on the second side in a bolt and groove matching mode.
The bottom of the middle-layer table panel is welded with two beams with the extending directions vertical to the top edges of the first side lower supporting frame and the second side lower supporting frame, and the periphery of the middle-layer table panel is provided with an L-shaped clamping groove.
In another aspect, the present invention provides a method for using a foldable vehicle based on the above, including:
s1: the lower support frames of the vertical support frame assembly are turned outwards to be perpendicular to the bottom frame, and the lower support frames of the vertical support frame assembly are fixed through the inclined support rods;
s2: the upper support frames of the vertical support frame assemblies are unfolded upwards relative to the lower support frame, and then the top frame is unfolded relative to the upper support frame of the vertical support frame assembly on one side and connected with the upper support frame of the vertical support frame assembly on the other side;
s3: installing the middle-layer table top plate between the connecting positions of the upper support frame and the lower support frame of the vertical support frame assembly, and then disassembling the inclined support rod;
s4: after the folding trolley is used, fixing a lower support frame of the vertical support frame assembly by utilizing the inclined support rod, and then disassembling the middle-layer table panel;
s5: disconnecting the upper support frame of the vertical support frame assembly on one side of the top frame, folding the upper support frame of the vertical support frame assembly on the other side downwards, and folding the upper support frames of the vertical support frame assemblies downwards relative to the lower support frame;
s6: disassembling the inclined supporting rods, and then, rotating and folding the lower supporting frames of the vertical supporting frame assembly inwards to a position parallel to the bottom frame;
s7: the folded folding cart is loaded into a sterile bag.
The folding vehicle of the invention divides the two support frame components of the main body into an upper support frame and a lower support frame which are hinged, and the upper support frame and the lower support frame are folded upwards and downwards to be accommodated in the bottom frame, thereby changing the folding of the middle shaft and the folding of the frame with an integral structure in the prior art, reducing the folding area of the largest surface by the novel integral hinged folding mode, being suitable for vehicle-mounted transportation in size and being convenient for aseptic transportation in the form of filling aseptic bags.
In addition, the temporary triangular support system is reinforced in the folding and unfolding processes in the installation process through the arrangement of the inclined support rods, the uncontrollable inward folding of the frame of the vertical support frame assembly in the folding process is avoided, the manpower required by the disassembly and assembly is reduced by one-man operation, the operation flow is reduced, and the quick disassembly and assembly in a short time by one-man is realized.
Drawings
FIG. 1 is an isometric view of a folding cart according to an embodiment of the present invention;
FIG. 2 is a bottom isometric view of a folding cart according to an embodiment of the present invention;
FIG. 3 is a front view of a folding cart according to an embodiment of the present invention;
FIG. 4 is a rear view of a folding cart according to an embodiment of the present invention;
FIG. 5 is a left side view of a folding cart according to an embodiment of the present invention;
FIG. 6 is a right side view of a folding cart according to an embodiment of the present invention;
fig. 7A-7F are diagrams of a folding and unfolding process of a folding cart according to an embodiment of the present invention.
Detailed Description
The present invention is further illustrated by the following examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
Fig. 1 to 6 show a folding cart capable of being rapidly unfolded and stored by one person according to an embodiment of the present invention, which includes a bottom frame 5 and two vertical support frame assemblies respectively disposed at two sides of the bottom frame 5, each vertical support frame assembly includes an upper support frame and a lower support frame hinged to each other, each lower support frame is hinged to one of the sides of the bottom frame and is rotatably folded inwards using the side as a rotation axis, and both the upper support frame and the lower support frame are frames with rectangular outer outlines. In this embodiment, the upper support frame and the lower support frame are both rectangular frames. The upper support frame and the lower support frame are hinged through a first hinge 61, the upper support frame is rotatably folded outwards by taking the top edge of the lower support frame as a rotating shaft, and the first hinge 61 is preferably a hinge type hinge.
The two vertical support frame assemblies are respectively arranged on a first side edge and a second side edge of the bottom frame 5, which are opposite to each other. That is, the upper and lower supports of the vertical support assemblies located at the first side of the base frame 5 are the first side upper support frame 1 and the first side lower support frame 2, respectively, and the upper and lower supports of the vertical support assemblies located at the second side of the base frame 5 are the second side upper support frame 3 and the second side lower support frame 4, respectively. In this embodiment, the first side is the left side and the second side is the right side. The first side lower supporting frame 2 is hinged to the first side of the bottom frame 5 by a second hinge 62 and is turnably folded inward with the first side of the bottom frame 5 as a rotation axis. The second side lower support frame 4 is hinged to the second side of the bottom frame 5 by a third hinge 63 and is rotatable inward about the second side of the bottom frame 5. From this, whole frame takes articulated mode, realizes that the integral type is accomodate, and the operation flow contrast dismantlement formula is succinct more and clear, has guaranteed the integrality of subassembly.
One in the first side and the second side of bottom frame 5 flushes with the upper surface of bottom frame 5, and another upwards protrudes from the upper surface of bottom frame 5, and the difference in height of first side and second side is the sum of the thickness of upper strut frame and lower carriage at least to guarantee two to support frame subassembly can overturn simultaneously and fold to the position parallel with bottom frame 5, and can not receive the influence each other. In the present embodiment, the first side of the bottom frame 5 protrudes upward from the upper surface of the bottom frame 5.
The top of the folding cart is provided with a top frame 8 hinged with one of the top edges of the upper support frames of the two vertical support frame assemblies and detachably connected with the other, and a top plate canopy 7 fixed on the top frame 8.
The top edges of the upper support frames (namely the first side upper support frame 1 and the second side upper support frame 3) of the two vertical support frame assemblies are different in height, in the embodiment, the top edge of the second side upper support frame 3 is higher than the top edge of the first side upper support frame 1, so that the top plate canopy 7 generates a certain inclination angle, and under the conditions of outdoor raining and the like, drainage is facilitated, and redundant pressure is not generated on the two vertical support frame assemblies.
In this embodiment, the first side edge of the top frame 8 is hinged to the top edge of the first side upper support frame 1 by a fourth hinge 64, so that the top frame 8 can be turned around (i.e. turned downwards) in the direction approaching the first side upper support frame 1 with the top edge of the first side upper support frame 1 as a rotation axis. The second side edge of the top frame 8 is detachably connected with the top edge of the second side support frame 3 through a bolt 16 and a groove in a matched mode, specifically, two ends of the top edge of the second side support frame 3 are provided with connecting parts extending towards the first side, the connecting parts are provided with U-shaped grooves 10 with upward openings, two ends of the second side edge of the top frame 8 are provided with bolts 16 extending outwards and matched with the U-shaped grooves 10, and the bolts 16 can be separated from the U-shaped grooves 10 through upward rotation of the top frame 8.
A middle-layer table top plate 9 is arranged between the joints of the upper support frame and the lower support frame of the two vertical support frame assemblies (namely, between the joint of the first-side upper support frame 1 and the first-side lower support frame 2 and between the second-side upper support frame 3 and the second-side lower support frame 4), and the size of the middle-layer table top plate 9 is the same as that of the bottom frame 5, so that the transverse supporting function is achieved, and the middle hinged part of each vertical support frame assembly is prevented from being folded inwards. The heights of the middle-layer table top plate 9, the joint of the first side upper supporting frame 1 and the first side lower supporting frame 2 and the joint of the second side upper supporting frame 3 and the second side lower supporting frame 4 are the same, so that the level of the panel of the middle-layer table top plate 9 is ensured. Two beams (such as transverse steel plates and steel beams) with the extending directions perpendicular to the top edges of the first side lower supporting frame 2 and the second side lower supporting frame 4 are welded at the bottom of the middle layer table top plate 9, so that transverse support is provided for the hinged part of the vertical supporting frame assembly, and the hinged part in the middle of the vertical supporting frame assembly is prevented from being turned inwards. The periphery of the middle layer desktop plate 9 is provided with an L-shaped clamping groove which is downwards clamped on the frame body of the middle hinged part of the vertical support frame component, so that the middle layer desktop plate can be conveniently detached and placed up and down and can be independently placed during storage.
In other embodiments, the middle deck 9 may be hinged to the connection between the upper and lower support frames of one of the vertical support frame assemblies so as to fold together to store the table instead of detachably.
An inclined strut 11 is arranged between the lower support frame of the vertical support frame assembly and the bottom frame 5 to form a temporary triangular stable structure system, so that the triangular stable structure system can be stored and folded by a single person conveniently, and the bearing performance is improved. The bottom frame 5 has a third side adjacent to the first side thereof, one end of the inclined strut 11 is hinged to one of the third sides of the bottom frame 5 and the lower support frame through a hinge bolt 14, and the other end of the inclined strut is detachably connected to the other of the third sides of the bottom frame 5 and the lower support frame through a U-shaped groove and a fixing bolt 13.
In the present embodiment, the hinge bolt 14 is located on the third side edge of the bottom frame 5, and the third side edge of the bottom frame is provided with the diagonal brace clamping slot 12 for accommodating the diagonal brace 11, so that the diagonal brace 11 can rotate around the hinge bolt 14, so that the diagonal brace 11 falls back and forth into the diagonal brace clamping slot 12 on the third side edge of the bottom frame 5. In the present embodiment, the number of diagonal braces 11 is 2; one end of one inclined strut 11 is hinged with one of the first side lower support frame 2 and the bottom frame 5, and the other end of the inclined strut is detachably connected with the other one of the first side lower support frame 2 and the bottom frame 5; one end of the other diagonal brace 11 is hinged with one of the second side lower support frame 4 and the bottom frame 5, and the other end is detachably connected with the other of the second side lower support frame 4 and the bottom frame 5. From this, diagonal brace 11 supports as interim, earlier with first side under bracing frame 2 and second side under bracing frame 4 vertical fixation at folding in-process, expand first side under bracing frame 1, second side under bracing frame 3 upwards again, recycle top frame 8 and middle layer desktop board 9 and transversely prop up whole structure frame, can remove diagonal brace 11 after the stable in structure, perhaps only set up in one side, help single completion folding process.
The bottom of the bottom frame 5 is provided with 4 universal wheels 15 so that the folding leg is movable. In the present embodiment, 4 universal wheels 15 are provided at four corners of the bottom frame 5.
The following describes in detail the method of using the foldable vehicle that can be unfolded and stored quickly by a single person according to the present invention with reference to fig. 7A-7A. The using method of the folding trolley comprises the following steps:
step S1: turning the lower support frames (such as the first side lower support frame 2 and the second side lower support frame 4) of the vertical support frame assembly outwards in a rotating way to a position vertical to the bottom frame 5, and fixing the lower support frames of the vertical support frame assembly by utilizing the inclined support rods 11;
therefore, in the embodiment, when the inclined strut 11 is provided, the temporary triangular stable structure system can be used for fixing the lower support frame and executing subsequent operations by a single person through unfolding operation, and the steps are simpler and faster. In some other embodiments, the diagonal brace 11 may be omitted, thus eliminating the need to use the diagonal brace 11 to secure the lower support frame of the vertical support frame assembly.
Step S2: the upper support frames of the vertical support frame assemblies are unfolded upwards relative to the lower support frame, and then the top frame 8 is unfolded relative to the upper support frame of the vertical support frame assembly on one side and connected with the upper support frame of the vertical support frame assembly on the other side;
and step S3: the middle tabletop plate 9 is arranged between the joints of the upper support frame and the lower support frame of the vertical support frame component, so that the whole structural frame is transversely supported by the middle tabletop plate 9. The diagonal strut 11 can then be detached.
In addition, the method can further comprise the following steps:
and step S4: after the folding trolley is used, fixing a lower support frame of the vertical support frame assembly by utilizing the inclined support rod 11, and then disassembling the middle-layer table panel 9; in certain other embodiments, the diagonal strut 11 may be omitted, and therefore it is desirable to omit the use of the diagonal strut 11 to secure the lower support frame of the vertical support frame assembly.
Step S5: disconnecting the upper support frame of the vertical support frame assembly on one side of the top frame 8, folding the upper support frame of the vertical support frame assembly on the other side downwards, and folding the upper support frames of the vertical support frame assemblies downwards relative to the lower support frame;
step S6: the inclined supporting rods 11 are disassembled, and then the lower supporting frames (such as the first side lower supporting frame 2 and the second side lower supporting frame 4) of the vertical supporting frame assembly are folded inwards in a rotating mode to be parallel to the bottom frame 5.
In some other embodiments, the diagonal strut 11 may be omitted, thus eliminating the need to disassemble the diagonal strut 11.
Step S7: the folded wagon is loaded into a sterile bag for sterile transport. Therefore, the sterile environment in the transportation process can be ensured during the pit removal acid detection in the next construction site.
At folding in-process, under the condition that middle level desktop board 9 has not yet been installed, the articulated junction of upper and lower support frame can inwards be rolled over, so as to be regarded as interim triangle stable structure through two diagonal braces 11 about, avoid the uncontrollable infolding of frame of folding in-process vertical support frame subassembly to the realization can singlely expand the operation and fix the lower carriage.
In addition, the two support frame assemblies of the main body are divided into an upper support frame and a lower support frame which are hinged up and down through hinge type hinges and are folded downwards to be stored in the bottom frame, so that the folding area of the maximum surface is reduced, and the size is suitable for vehicle-mounted transportation.
In addition, the folding mode of the improved folding frame is adopted, and the structural stability is enhanced, so that the medical equipment can be placed conveniently. The existing patents of folding frames and folding carts are that the triangular structures between the main frames are folded in a shrinkage way, the main frames are not folded in a shrinkage way, and the joints of the two triangular support frames are movably arranged to realize the functions of folding in a shrinkage way, but the method destroys the continuity of the triangular structures, so that the structural stability of the folding carts is reduced. In order to reduce the folded area, the main frame is designed into a foldable and integral transverse plate, namely a middle layer table top plate (the bottom of the plate is provided with a cross beam) and a top canopy are arranged between the main support frames, so that the foldable hinged joint of the main support frames can be transversely supported, and the integral transverse steel plate and the integral steel beam have high strength, thereby not only improving the structural stability, but also being capable of placing heavier objects.
The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The invention has not been described in detail in the conventional technical content.
Claims (9)
1. A folding trolley capable of being rapidly unfolded and stored by one person is characterized by comprising a bottom frame and two vertical support frame assemblies respectively arranged on two sides of the bottom frame, wherein each vertical support frame assembly comprises an upper support frame and a lower support frame which are hinged with each other, and each lower support frame is hinged with one side edge of the bottom frame and can be rotatably turned inwards by taking the side edge as a rotating shaft; the top of the folding trolley is provided with a top frame which is hinged with one of the top edges of the upper support frames of the two vertical support frame assemblies and is detachably connected with the other one of the top edges of the upper support frames of the two vertical support frame assemblies, and a top plate canopy which is fixed on the top frame; a middle-layer desktop plate is arranged between the connecting parts of the upper supporting frame and the lower supporting frame of the two vertical supporting frame assemblies, and the size of the middle-layer desktop plate is the same as that of the bottom frame; an inclined support rod is arranged between the lower support frame of the vertical support frame assembly and the bottom frame, so that the folding bicycle can be rapidly unfolded and stored by one person.
2. The folding cart capable of being unfolded and folded by one person for rapidly unfolding and folding according to claim 1, wherein the upper supporting frame and the lower supporting frame are hinged by a first hinge, the upper supporting frame is rotatably folded outwards by a top edge of the lower supporting frame as a rotating shaft, and the first hinge is a hinge type hinge.
3. A single-person operable quick deployment and stowable folding cart according to claim 1 wherein the two vertical support frame assemblies are located on first and second opposite sides of the base frame, the upper and lower support frames of the vertical support frame assembly located on the first side of the base frame being first side upper and first side lower support frames, respectively, and the upper and lower support frames of the vertical support frame assembly located on the second side of the base frame being second side upper and second side lower support frames, respectively.
4. A folding cart capable of being unfolded and stored rapidly by one person as claimed in claim 3, wherein said bottom frame has a third side adjacent to said first side, one end of said diagonal support bar is hinged to one of said lower support frame and said third side of said bottom frame by means of a hinge bolt, and the other end of said diagonal support bar is detachably connected to the other of said lower support frame and said third side of said bottom frame by means of a U-shaped slot and a fixing bolt.
5. The folding cart capable of being unfolded and folded rapidly by one person according to claim 4, wherein the hinge bolt is located on a third side edge of the bottom frame, and a diagonal bar slot for accommodating the diagonal bar is provided on the third side edge of the bottom frame.
6. A fold away vehicle for single person operated quick deployment and stow as claimed in claim 3 wherein one of the first and second sides of the base frame is flush with the upper surface of the base frame and the other protrudes upwardly from the upper surface of the base frame and the difference in height between the first and second sides is at least the sum of the thicknesses of the upper and lower support brackets.
7. A single-operable, quick-deploy and stow-able, folding cart according to claim 3, wherein the first side edge of the top frame is hinged to the top edge of the first side upper support frame by a fourth hinge, such that the top frame is rotatably folded about the top edge of the first side upper support frame in a direction rotationally closer to the first side upper support frame; the second side edge of the top frame is detachably connected with the top edge of the support frame on the second side in a bolt-and-slot matching mode.
8. The foldable cart capable of being unfolded and folded rapidly by one person according to claim 3, wherein two beams extending perpendicular to the top edges of the first and second side lower supporting frames are welded to the bottom of the middle table top plate, and an L-shaped slot is formed on the periphery of the middle table top plate.
9. A method for using the folding vehicle capable of being rapidly unfolded and folded by one person according to any one of claims 1 to 8, comprising:
step S1: the lower support frames of the vertical support frame assembly are turned outwards to be perpendicular to the bottom frame, and the lower support frames of the vertical support frame assembly are fixed through the inclined support rods;
step S2: the upper support frames of the vertical support frame assemblies are unfolded upwards relative to the lower support frame, and then the top frame is unfolded relative to the upper support frame of the vertical support frame assembly on one side and connected with the upper support frame of the vertical support frame assembly on the other side;
and step S3: installing the middle-layer table top plate between the joints of the upper support frame and the lower support frame of the vertical support frame assembly, and then disassembling the inclined support rod;
and step S4: after the folding trolley is used, fixing a lower support frame of the vertical support frame assembly by utilizing the inclined support rod, and then disassembling the middle-layer table panel;
step S5: disconnecting the upper support frame of the vertical support frame assembly on one side of the top frame, folding the upper support frame of the vertical support frame assembly on the other side downwards, and folding the upper support frames of the vertical support frame assemblies downwards relative to the lower support frame;
step S6: disassembling the inclined supporting rods, and then, rotating and folding the lower supporting frames of the vertical supporting frame assembly inwards to a position parallel to the bottom frame;
step S7: the folded folding cart is loaded into a sterile bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489536.5A CN115923901A (en) | 2022-11-25 | 2022-11-25 | Folding vehicle capable of being rapidly unfolded and stored by single operator and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489536.5A CN115923901A (en) | 2022-11-25 | 2022-11-25 | Folding vehicle capable of being rapidly unfolded and stored by single operator and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115923901A true CN115923901A (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211489536.5A Pending CN115923901A (en) | 2022-11-25 | 2022-11-25 | Folding vehicle capable of being rapidly unfolded and stored by single operator and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115923901A (en) |
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2022
- 2022-11-25 CN CN202211489536.5A patent/CN115923901A/en active Pending
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