Multifunctional hand-held cart

Abstract

The utility model relates to the technical field of trolleys, in particular to a multifunctional hand-held trolley which comprises a base, a movable frame installed on the base in a sliding mode and a fixed frame fixedly installed on the base, a first trolley box fixedly installed on the fixed frame, a second trolley box fixedly installed on the movable frame and a telescopic assembly. The telescopic assembly comprises a pair of sliding blocks fixedly installed in the fixing frame, one end of the interior of the base is connected with an X-shaped telescopic frame through a movable shaft, the end of the X-shaped telescopic frame is rotationally connected with the sliding blocks through movable shafts, the X-shaped telescopic frame is composed of a plurality of crossed supporting rods, and a supporting column is rotationally installed between every two crossed supporting rods. A lead screw is rotationally installed on the base, a rocker is fixedly installed on the side, provided with the lead screw, of the base, and a moving block is installed on the lead screw through threads. The problems that the using volume of an existing hand-held cart cannot be adjusted, and the hand-held cart does not have the buffering function are solved.

Description

Technical Field

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

[0002] A handcart is a transport vehicle that is pushed and pulled by manpower. Although the technology is constantly developing, handcarts are still used as indispensable transport tools. Because of their low cost, simple maintenance, convenient operation, and light weight, they can work in places where motor vehicles are inconvenient to use, and are very convenient for transporting items over short distances.

[0003] After searching, a Chinese patent with publication number CN216994377U discloses a vertical transport trolley, including a square frame and wheels, a plurality of supporting rods for supporting goods are arranged at the bottom of the square frame, at least three wheels are arranged and installed at the bottom of the square frame, a vertically arranged front baffle is arranged at the top front end of the square frame, two vertically arranged rear baffles are arranged at the top rear end of the square frame, and the two rear baffles are respectively located on both sides of the square frame, a push handle is arranged at the top rear end of the square frame, and a vertically arranged side baffle is arranged on one side of the square frame. The patent has the following expected technical effects: the height of the square frame is relatively high, the side of the square frame has a certain barrier and limiting effect on higher goods, the front baffle blocks the front of the goods, the side baffle blocks the side of the goods, and the rear baffle can also block the rear of the goods to a certain extent, so these higher goods are not easy to fall during transportation, and transportation is safer.

[0004] Based on the above search and combined with the prior art, we found that:

[0005] The existing multifunctional handcart still has a single transportation mode, and the size and shape of the goods to be transported are fixed, which is extremely inconvenient when transporting goods of different sizes. When the multifunctional handcart is not in use, the multifunctional handcart occupies a large area, and the place of use is still limited. In addition, the handcart has no shock-absorbing ability when moving, and the handcart is prone to large vibration when in use, thereby affecting the stored items.

[0006] For this reason we propose a foldable multifunctional handcart. Utility Model Content

[0007] In order to solve the above technical problems, the utility model proposes a multifunctional hand trolley to solve the problems raised in the above background technology.

[0008] The technical solution to achieve the purpose of the utility model is: a multifunctional hand-held trolley, comprising a base, a movable frame and a fixed frame slidably mounted on the base, a car box 1 is fixedly mounted on the fixed frame, and a car box 2 is fixedly mounted on the movable frame, and also includes a telescopic assembly, the telescopic assembly includes a pair of sliders fixedly mounted inside the fixed frame, an inner end of the base is connected to an X-shaped telescopic frame through a movable shaft, and the end of the X-shaped telescopic frame is rotatably connected to the slider through a movable shaft, the X-shaped telescopic frame is composed of a plurality of cross braces, and a support column is rotatably mounted between every two cross braces, a screw rod is rotatably mounted on the base, a rocker is fixedly mounted on one side of the screw rod, a moving block is threadedly mounted on the screw rod, and both ends of the moving block are fixedly connected to the inner wall of the movable frame.

[0009] Preferably, the movable frame is fixedly mounted with a limit block, and two ends of the fixed frame are provided with a slide groove matched with the limit block.

[0010] Preferably, a pair of connecting frames are fixedly installed on the outer walls on both sides of the vehicle box, and a handrail is fixedly installed between the pair of connecting frames.

[0011] Preferably, a pair of guide limit rods 1 are fixedly mounted on one side of the carriage 1, and slide grooves 2 adapted to the guide limit rods 1 are provided on both sides of the carriage 2.

[0012] Preferably, a connecting plate is movably installed on the outer wall of one side of the base, one side of the connecting plate is fixedly installed on the car box two, a pair of guide limit rods two are fixedly installed on the connecting plate, and a sliding groove three adapted to the guide limit rods two is opened on the base, and a reflective strip is fixedly installed on each of the guide limit rods two.

[0013] Preferably, a shock-absorbing movable component is arranged below the base and the connecting plate, and the shock-absorbing movable component includes two pairs of support plates fixedly mounted at one end of the base and below the connecting plate, steering blocks are rotatably mounted on the support plates, a pair of limiting tubes are fixedly mounted on the steering blocks, a damping rod is movably mounted in each limiting tube, a support block is fixedly mounted on the lower end of the damping rod, a spring is sleeved on the damping rod, and both ends of the spring are respectively fixedly mounted on the limiting tube and the support block, and a brake wheel is rotatably mounted between the pair of support blocks.

[0014] Compared with the prior art, the present invention has the following significant advantages:

[0015] First, the utility model can change the use volume of the handcart by setting the telescopic assembly. When the rocker is turned, the screw rod rotates to drive the moving block to move forward and backward, and at the same time drives the movable frame to move forward and backward. The movement of the movable frame drives the X-shaped telescopic frame to perform telescopic movement, and further drives the second carriage to move forward and backward.

[0016] Secondly, the utility model provides a shock-absorbing moving component which can make the multifunctional handcart play a shock-absorbing role when it moves. The limit tube is used in conjunction with the damping rod and the spring. When the handcart moves, the damping rod retracts and retracts to drive the spring to retract and retract, thereby playing a shock-absorbing role.

[0017] The invention solves the problems that the use volume of the existing handcart cannot be adjusted and the handcart has no buffering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the first viewing angle structure provided by the utility model in one embodiment;

[0020] Figure 2 It is a schematic diagram of the telescopic frame structure provided by the utility model in one embodiment;

[0021] Figure 3 It is a schematic diagram of the internal structure of a trolley provided in one embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of a shock-absorbing mobile assembly provided in one embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the main view cutting wheel structure provided in one embodiment of the utility model.

[0024] Description of reference numerals:

[0025] 1. Base; 2. Carriage 1; 3. Handrail; 4. Connecting frame; 5. Carriage 2; 6. Rocker; 7. Shock-absorbing moving assembly; 701. Support plate; 702. Steering block; 703. Wheel; 704. Support block; 705. Limiting tube; 706. Spring; 707. Damping rod; 8. Connecting plate; 9. Fixed frame; 91. Movable frame; 10. Limiting block; 11. Slider; 12. Moving block; 13. X-type telescopic frame; 14. Support column; 15. Screw rod; 16. Guide limiting rod 1; 17. Guide limiting rod 2; 18. Reflective strip. DETAILED DESCRIPTION

[0026] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides a strong and height-adjustable cable hook through improvement. The technical solution of the utility model is:

[0028] like Figure 1-Figure 5 As shown, a multifunctional hand-held trolley includes a base 1, a movable frame 91 is slidably mounted on the base 1 and a fixed frame 9 is fixedly mounted, a vehicle box 2 is fixedly mounted on the fixed frame 9, a vehicle box 2 5 is fixedly mounted on the movable frame 91, and further includes;

[0029] The telescopic assembly includes a pair of sliders 11 fixedly mounted inside the fixed frame 9, an inner end of the base 1 is connected to an X-shaped telescopic frame 13 through a movable shaft, and the end of the X-shaped telescopic frame 13 is rotatably connected to the slider 11 through a movable shaft, the X-shaped telescopic frame 13 is composed of a plurality of cross struts, and a support column 14 is rotatably mounted between every two cross struts, a screw rod 15 is rotatably mounted on the base 1, a rocker 6 is fixedly mounted on one side of the screw rod 15, a moving block 12 is threadedly mounted on the screw rod 15, and both ends of the moving block 12 are fixedly connected to the inner wall of the movable frame 91.

[0030] In summary, the usable volume of the handcart can be changed by setting the movable carriage 2 5, and the usable volume of the handcart can be changed by setting the telescopic assembly. When the rocker 6 is rotated, the screw rod 15 rotates to drive the moving block 12 to move forward and backward, and at the same time drives the movable frame 91 to move forward and backward. The movement of the movable frame 91 drives the X-shaped telescopic frame 13 to perform telescopic movement, and further drives the carriage 2 5 to move forward and backward.

[0031] It should be noted that the thread lead angle between the screw rod 15 and the moving block 12 is smaller than the friction angle, so that the moving block 12 has a self-locking effect when moving along the screw rod 15, thereby ensuring the stability of the carriage 5 after movement and adjustment, and ensuring smooth transportation operations.

[0032] Furthermore, the movable frame 91 is fixedly mounted with the limit block 10 , and two ends of the fixed frame 9 are provided with a slide groove 1 adapted to the limit block 10 .

[0033] By means of the above structure, the limiting block 10 is provided in conjunction with the movable frame 91 to make the entire structure more stable.

[0034] Furthermore, a pair of connecting frames 4 are fixedly installed on the outer walls of both sides of the vehicle box 2, and a handrail 3 is fixedly installed between the pair of connecting frames 4.

[0035] With the above structure, the handrail 3 is fixedly installed through the provided connecting frame 4, and the operator can conveniently push the cart through the handrail 3.

[0036] Furthermore, a pair of guide limit rods 16 are fixedly installed on one side of the carriage 2, and two slide grooves 2 adapted to the guide limit rods 16 are provided on both sides of the carriage 5.

[0037] By means of the above structure, the guide limit rod 16 provided between the carriage 1 2 and the carriage 2 5 makes the carriage 2 5 more stable when moving.

[0038] Furthermore, a connecting plate 8 is movably installed on the outer wall of one side of the base 1, one side of the connecting plate 8 is fixedly installed on the car box 2 5, a pair of guide limit rods 2 17 are fixedly installed on the connecting plate 8, and a sliding groove 3 adapted to the guide limit rods 2 17 is opened on the base 1, and a reflective strip 18 is fixedly installed on each guide limit rod 2 17.

[0039] By means of the above structure, a guide limit rod 2 17 is fixedly installed on the connecting plate 8, and the guide limit rod 2 17 further makes the whole device more stable. The reflective strip 18 is arranged on the guide limit rod 2 17, so that other people can clearly see the trolley through the reflective strip 18 when the trolley is moving.

[0040] As a further solution of the utility model, a shock-absorbing movable component 7 is arranged below the base 1 and the connecting plate 8, and the shock-absorbing movable component 7 includes two pairs of support plates 701 fixedly installed at one end of the base 1 and below the connecting plate 8, and steering blocks 702 are rotatably installed on the support plates 701, and a pair of limiting tubes 705 are fixedly installed on the steering blocks 702. A damping rod 707 is movably installed in each limiting tube 705, and a support block 704 is fixedly installed at the lower end of the damping rod 707. A spring 706 is sleeved on the damping rod 707, and the two ends of the spring 706 are respectively fixedly installed on the limiting tube 705 and the support block 704, and a brake wheel 703 is rotatably installed between the pair of support blocks 704.

[0041] By means of the above structure, the shock-absorbing moving component 7 is set up so that the multifunctional handcart can play a shock-absorbing role when moving. The setting limit tube 705 is used in conjunction with the damping rod 707 and the spring 706. When the handcart moves and generates vibration, the damping rod 707 moves along the limit tube 705 and drives the spring 706 to expand and contract. The damping rod 707 and the limit tube 705 move relative to each other to form a damping effect, consume the vibration energy, and thus achieve a shock-absorbing effect.

[0042] The specific working method is: when the trolley needs to transport goods of different sizes, the use volume of the trolley can be changed to meet the requirements of transporting goods. The use volume of the trolley can be changed by the telescopic assembly. When the rocker 6 is turned, the screw rod 15 rotates to drive the moving block 12 to move forward, and at the same time drives the movable frame 91 to move forward. The movement of the movable frame 91 drives the X-shaped telescopic frame 13 to extend, and further drives the carriage 25 to move forward, thereby increasing the use volume of the trolley. Then put the required goods into the carriage. During the movement of the trolley, the shock-absorbing moving assembly 7 is provided to allow the multifunctional trolley to play a shock-absorbing role when moving. The limit tube 705 is provided to cooperate with the damping rod 707 and the spring 706. When the trolley moves, the damping rod 707 is extended and extended to drive the spring 706 to extend and extend, thereby playing a shock-absorbing role.

[0043] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A multifunctional hand-held trolley, comprising a base (1), a movable frame (91) being slidably mounted on the base (1) and a fixed frame (9) being fixedly mounted on the fixed frame (9), a first carriage (2) being fixedly mounted on the fixed frame (9), and a second carriage (5) being fixedly mounted on the movable frame (91), characterized in that: Also includes; A telescopic assembly, the telescopic assembly comprising a pair of sliders (11) fixedly mounted inside a fixed frame (9); an inner end of the base (1) is connected to an X-shaped telescopic frame (13) via a movable shaft, and an end of the X-shaped telescopic frame (13) is rotatably connected to the slider (11) via a movable shaft; the X-shaped telescopic frame (13) is composed of a plurality of cross braces, and a support column (14) is rotatably mounted between every two cross braces; a screw rod (15) is rotatably mounted on the base (1), a rocker (6) is fixedly mounted on one side of the screw rod (15), a moving block (12) is threadedly mounted on the screw rod (15), and both ends of the moving block (12) are fixedly connected to the inner wall of the movable frame (91).

2. A multifunctional hand trolley according to claim 1, characterized in that: The movable frame (91) is fixedly mounted with a limit block (10), and two ends of the fixed frame (9) are provided with a slide groove that matches the limit block (10).

3. A multifunctional hand trolley according to claim 1, characterized in that: A pair of connecting frames (4) are fixedly installed on the outer walls of both sides of the vehicle box (2), and a handrail (3) is fixedly installed between the pair of connecting frames (4).

4. A multifunctional hand trolley according to claim 1, characterized in that: A pair of guide limit rods (16) are fixedly mounted on one side of the carriage (2), and two slide grooves (2) adapted to the guide limit rods (16) are provided on both sides of the carriage (5).

5. The multifunctional hand trolley according to claim 1, characterized in that: A connecting plate (8) is movably mounted on the outer wall of one side of the base (1), one side of the connecting plate (8) is fixedly mounted on the second vehicle box (5), a pair of second guide limit rods (17) are fixedly mounted on the connecting plate (8), and a sliding groove (3) adapted to the second guide limit rods (17) is provided on the base (1), and a reflective strip (18) is fixedly mounted on each of the second guide limit rods (17).

6. A multifunctional hand trolley according to claim 1, characterized in that: A damping moving assembly (7) is arranged below the base (1) and the connecting plate (8), and the damping moving assembly (7) comprises two pairs of support plates (701) fixedly mounted at one end of the base (1) and below the connecting plate (8), a steering block (702) being rotatably mounted on each of the support plates (701), a pair of position limiting tubes (705) being fixedly mounted on each of the position limiting tubes (702), a damping rod (707) being movably mounted in each of the position limiting tubes (705), a support block (704) being fixedly mounted at the lower end of the damping rod (707), a spring (706) being sleeved on the damping rod (707), and two ends of the spring (706) being fixedly mounted on the position limiting tube (705) and the support block (704), respectively, and a wheel (703) with a brake being rotatably mounted between the pair of support blocks (704).

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