Multifunctional folding cart

Abstract

The utility model discloses a multifunctional folding cart, relates to the technical field of multifunctional supports, solves the technical problem that in the prior art, the cart cannot be folded into various required structures in a multifunctional mode, and comprises two pairs of main cross beams, a main hinge connecting frame is fixedly installed between one pair of the two pairs of main cross beams, and the other pair of the two pairs of main cross beams is hinged to the main hinge connecting frame. The other pair of the two pairs of main cross beams is rotationally connected to the main hinge connecting frame, and wheel hinge connecting frames are fixedly installed on the outer side wall faces of one pair of the two pairs of main cross beams respectively, so that the functions of a frame (horse stool), a ladder (step ladder) and a cart can be achieved, various requirements of users on different occasions are met, and the multifunctional folding ladder is suitable for being popularized and applied. The practicability and the flexibility are improved; the folding cart is stable and firm in structure and can bear certain weight and pressure; the folding cart can be easily and rapidly folded and unfolded, a user can conveniently switch and use the folding cart as needed, the stability and safety of the folding cart in the using process are guaranteed, and accidental injuries are effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of multifunctional brackets, in particular to a multifunctional folding cart. Background Art

[0002] The utility model relates to a technical field in which a multifunctional folding bracket is a very practical tool that can be folded into a variety of forms such as a rack (stool), a cart, and a ladder (fork ladder), providing users with a variety of usage methods. As a rack (stool), it can help organize, classify, and store various items to improve work efficiency; as a cart, it can facilitate users to carry heavy objects and reduce labor intensity; and as a ladder (fork ladder), it can help users do aerial work, such as cleaning windows, changing light bulbs, etc. In general, the multifunctional folding bracket has extremely strong practicality and diverse functions, and is a very recommended tool.

[0003] The existing technology has the technical problem that it cannot be multifunctionally folded into a variety of required structures. Summary of the invention

[0004] In view of the deficiencies of the prior art, the utility model provides a multifunctional folding cart, which solves the technical problem that the prior art cannot be multifunctionally folded into a variety of required structures.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multifunctional folding cart, comprising two pairs of main beams, a main hinge connecting frame is fixedly installed between one pair of the two pairs of main beams, the other pair of the two pairs of main beams is rotatably connected to the main hinge connecting frame, a pair of outer wall surfaces of the two pairs of main beams are respectively fixedly installed with wheel hinge connecting frames, a pair of L-shaped plates are respectively rotatably installed on the two pairs of wheel hinge connecting frames, and walking wheels are respectively rotatably installed on a pair of L-shaped plates.

[0006] Preferably, a connecting beam is fixedly installed between the two pairs of main beams.

[0007] Preferably, an extension rod is rotatably mounted on one end of each of the two pairs of main beams, and a reinforcing beam is fixedly mounted between the two pairs of extension rods.

[0008] By splicing the main beams into a straight line, extending the extension rods vertically downward to form the support legs of the rack (horse stool), connecting the connecting rods to form the support, and folding and pushing the rack (horse stool) into the shape of the rack (horse stool).

[0009] By connecting the frame along the main hinge, the two pairs of main beams form an acute angle, and the extension frame is in a straight line with the main beams and connected with the locking rod to form a fork ladder.

[0010] By combining the main beams, folding the pallet board, and folding the travel wheels and the L-shaped board to the outside, a two-wheeled cart is formed, and items are transported through the pallet board.

[0011] Preferably, two positioning nails are respectively provided on the two pairs of main cross beams, fixing nails are fixedly provided at both ends of the extension rod, and a connecting rod is connected between the fixing nails and the positioning nails.

[0012] Preferably, locking pins are provided between the two pairs of main cross beams, and locking rods are fixedly installed between the locking pins.

[0013] Preferably, a supporting plate is rotatably mounted on the main hinge connection frame.

[0014] Preferably, joint locks are provided at the main hinge connection frame and at the connection between the extension rod and the main beam, and the joint locks can be used to lock the main beam when the folding cart forms a structure of a shelf (stool), a ladder (fork ladder) and a cart.

[0015] Preferably, foot pedals are slidably installed between the two pairs of main beams, and a bumper lock is fixedly installed on the connecting beam. Through the foot pedals and the connecting beams, a denser supporting structure is obtained when the equipment forms a rack (stool). When a ladder (fork ladder) structure is used, the foot pedals are pushed to move so that the foot pedals and the connecting beams are in contact, and the bumper locks installed above lock the two structures to facilitate climbing by the operator.

[0016] Preferably, a telescopic frame is slidably installed in the extension rod, and the telescopic frame is located at both ends of the extension frame, which can further increase the length.

[0017] Preferably, a locking frame is fixedly installed at the lower end of the main cross beam and located at the wheel hinge connecting frame, and a locking plate is installed in the locking frame. The locking plate is used to flip the L-shaped plate outward to form a trolley structure and lock the walking wheels, so that the equipment can travel more stably.

[0018] Beneficial Effects

[0019] The utility model provides a multifunctional folding cart, which can realize the functions of a rack (stool), a ladder (fork ladder) and a cart, meets the various needs of users in different occasions, and improves its practicality and flexibility; through a carefully designed combination of main crossbeams, connecting frames, L-shaped plates and other components, the folding cart has a stable and strong structure and can withstand a certain weight and pressure; locking nails, connecting beams and other designs are adopted, so that the folding cart can be easily and quickly folded and unfolded, which is convenient for users to convert and use when needed; by adding fixing nails, locking rods and other safety designs, the stability and safety of the folding cart during use are guaranteed, and the occurrence of accidental injuries is effectively prevented; because the folding cart can be easily folded into a small size, it is easy to carry and store, saves space, and is convenient for users to use in different occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the frame (stool) of the multifunctional folding cart of the utility model.

[0021] Figure 2 The utility model is a schematic diagram of the multifunctional folding cart.

[0022] Figure 3 The present invention is a schematic diagram of the ladder (fork ladder) structure of the multifunctional folding cart.

[0023] Figure 4 It is a schematic diagram of the structure of the foot pedal of the multifunctional folding cart of the utility model.

[0024] Figure 5 It is a schematic diagram of the structure of the running wheels of the multifunctional folding cart of the utility model.

[0025] In the figure: 1. Main crossbeam; 2. Main hinge connecting frame; 3. Wheel hinge connecting frame; 4. L-shaped plate; 5. Travel wheel; 6. Connecting beam; 7. Extension rod; 8. Reinforcement beam; 9. Positioning pin; 10. Fixing pin; 11. Connecting rod; 12. Locking pin; 13. Locking rod; 14. Supporting plate; 15. Joint lock; 16. Foot pedal; 17. Headlock; 18. Telescopic frame; 19. Locking frame; 20. Locking plate; DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, rather than all the embodiments. The detailed description is as follows.

[0027] See also Figure 1-5 The utility model provides a technical solution: a multifunctional folding cart comprises two pairs of main beams 1, a main hinge connecting frame 2 is fixedly installed between one pair of the two pairs of main beams 1, the other pair of the two pairs of main beams 1 is rotatably connected to the main hinge connecting frame 2, a pair of outer wall surfaces of the two pairs of main beams 1 are respectively fixedly installed with wheel hinge connecting frames 3, a pair of L-shaped plates 4 are respectively rotatably installed on the two pairs of wheel hinge connecting frames 3, and a pair of walking wheels 5 are respectively rotatably installed on the pair of L-shaped plates 4.

[0028] This embodiment is further configured such that a connecting beam 6 is fixedly installed between the two pairs of main beams 1 .

[0029] The present embodiment is further configured such that an extension rod 7 is rotatably mounted on one end of each of the two pairs of main beams 1 , and a reinforcement beam 8 is fixedly mounted between the two pairs of extension rods 7 .

[0030] By splicing the main cross beam 1 into a straight line, extending the extension rod 7 vertically downward to form the support legs of the rack (horse stool), connecting the connecting rod 11 to form a support, the folded and pushed into the shape of the rack (horse stool).

[0031] By connecting the frame 2 along the main hinge, the two pairs of main beams 1 form an acute angle, and the extension frame is in a straight line with the main beam 1 and connected with the locking rod 13 to form a fork ladder.

[0032] By combining the main cross beam 1 , folding the supporting plate 14 , and folding the running wheels 5 and the L-shaped plate 4 to the outside, a two-wheeled cart is formed, and articles are transported through the supporting plate 14 .

[0033] This embodiment is further configured such that two positioning nails 9 are respectively provided on the two pairs of the main cross beams 1 , fixing nails 10 are fixedly provided at both ends of the extension rod 7 , and a connecting rod 11 is connected between the fixing nails 10 and the positioning nails 9 .

[0034] The present embodiment is further configured such that locking pins 12 are provided between the two pairs of the main cross beams 1 , and locking rods 13 are fixedly installed between the locking pins 12 .

[0035] This embodiment is further configured such that a support plate 14 is rotatably mounted on the main hinge connection frame 2. Preferably, a joint lock 15 is provided at the main hinge connection frame 2 and at the connection between the extension rod 7 and the main crossbeam 1, and the joint lock 15 can be used to lock the main crossbeam 1 when the folding cart forms a structure of a shelf (stool), a ladder (fork ladder) and a cart.

[0036] Preferably, a foot pedal 16 is slidably installed between the two pairs of main beams 1, and a bumper lock 17 is fixedly installed on the connecting beam 6. Through the foot pedal 16 and the connecting beam 6, a denser supporting structure is obtained when the equipment forms a rack (stool). When a ladder (fork ladder) structure is used, the foot pedal 16 is pushed to move so that the foot pedal 16 and the connecting beam 6 are in contact, and the bumper lock 17 installed above locks the two structures to facilitate the operator to climb.

[0037] Preferably, a telescopic frame 18 is slidably installed in the extension rod 7, and the telescopic frame 18 is located at both ends of the extension frame to further increase the length.

[0038] Preferably, a locking frame 19 is fixedly installed at the lower end of the main cross beam 1 and located at the wheel hinge connecting frame 3, and a locking plate 20 is installed in the locking frame 19. The locking plate 20 allows the L-shaped plate 4 to be flipped outward, and the walking wheel 5 is locked when the cart structure is formed, so that the equipment can walk more stably.

[0039] The detailed connection means are well known in the art; Figure 1-5As shown, the shelf (stool) form is: two pairs of main beams 1 are spliced ​​into a straight line, the extension rods 7 are vertically connected downward to form support legs, and then the support is strengthened by the connecting rods 11 to form a stable shelf (stool) form. Users can place items neatly on the shelf (stool) to improve the efficiency of item storage and classification.

[0040] Ladder (fork ladder) form: The angles of the two pairs of main beams 1 are adjusted along the main hinge connection frame 2 to form an A-shaped structure, and then fixed by connecting the locking rod 13 to form a safe and stable ladder (fork ladder) form. Users can use this ladder (fork ladder) form to perform high-altitude operations, such as cleaning windows or repairing ceilings.

[0041] Cart form: The main cross beams 1 are combined, the supporting plate 14 is folded, and the running wheels 5 and the L-shaped plate 4 are folded to the outside of the vehicle body to form a two-wheeled cart. Users can use this form to place items on the supporting plate 14 and easily carry and move them.

[0042] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A multifunctional folding cart, comprising two pairs of main beams (1), characterized in that: A main hinge connection frame (2) is fixedly installed between one pair of the two pairs of main cross beams (1), and the other pair of the two pairs of main cross beams (1) is rotatably connected to the main hinge connection frame (2). A pair of outer wall surfaces of the two pairs of main cross beams (1) are respectively fixedly installed with wheel hinge connection frames (3), and a pair of L-shaped plates (4) are respectively rotatably installed on the two pairs of wheel hinge connection frames (3), and a pair of walking wheels (5) are respectively rotatably installed on the pair of L-shaped plates (4).

2. The multifunctional folding cart according to claim 1, characterized in that A connecting beam (6) is fixedly installed between the two pairs of main beams (1).

3. The multifunctional folding cart according to claim 1, characterized in that An extension rod (7) is rotatably mounted on one end of each of the two pairs of main beams (1), and a reinforcing beam (8) is fixedly mounted between the two pairs of extension rods (7).

4. The multifunctional folding cart according to claim 3, characterized in that Two positioning nails (9) are respectively provided on the two pairs of main cross beams (1), and fixing nails (10) are fixedly provided at both ends of the extension rod (7), and a connecting rod (11) is connected between the fixing nails (10) and the positioning nails (9).

5. The multifunctional folding cart according to claim 1, characterized in that A locking pin (12) is provided between the two pairs of main beams (1), and a locking rod (13) is fixedly installed between the locking pins (12).

6. The multifunctional folding cart according to claim 1, characterized in that A support plate (14) is rotatably mounted on the main hinge connection frame (2).

7. The multifunctional folding cart according to claim 3, characterized in that Joint locks (15) are provided at the main hinge connection frame (2) and at the connection between the extension rod (7) and the main crossbeam (1).

8. The multifunctional folding cart according to claim 2, characterized in that A foot pedal (16) is slidably mounted between the two pairs of main beams (1), and a headlock (17) is fixedly mounted on the connecting beam (6).

9. The multifunctional folding cart according to claim 3, characterized in that A telescopic frame (18) is slidably mounted inside the extension rod (7).

10. The multifunctional folding cart according to claim 1, characterized in that A locking frame (19) is fixedly installed at the lower end of the main cross beam (1) and located at the wheel hinge connecting frame (3), and a locking plate (20) is installed in the locking frame (19).

Images