Novel double-wheel trolley

Abstract

The utility model relates to the technical field of trolleys, and discloses a novel double-wheel trolley which comprises a trolley body, the side wall of the trolley body is fixedly connected with two installation supports, the trolley body is provided with a cover plate used for preventing materials from falling off, the side wall of the cover plate is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with the installation supports. The two ends of the rotating shaft are rotationally connected with the two mounting supports respectively, torsional springs are arranged between the mounting supports and the rotating shaft, and a fixing assembly is arranged between the cart body and the cover plate. According to the novel double-wheel trolley, small-particle materials or liquid can be prevented from leaking in the transportation process, the transportation efficiency is improved, material waste is reduced, meanwhile, environmental pollution and follow-up cleaning work are reduced, impact and abrasion of the materials in the transportation process can be effectively resisted, and the service life of the trolley is prolonged. The service life of the device is prolonged; and the maintenance cost is reduced.

Description

Technical Field

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

[0002] A two-wheeled handcart is a hand-pushed transport tool designed with two wheels, mainly used for carrying goods or items on the ground. It is usually composed of a metal or wooden frame and is equipped with two sturdy wheels. One or two people can control and push the vehicle through handrails or handles. The two-wheeled handcart is widely used in various occasions due to its simple structure, flexible operation and easy steering. For example, in household carrying, gardening work, construction projects, agricultural transportation, commercial logistics and other fields.

[0003] After searching, a handcart for construction sites with publication number CN217477354U includes a frame, a material box with an open top is arranged above the frame, rollers are arranged below the frame, handles are symmetrically arranged on both sides of the rear of the frame, a tarpaulin mechanism is arranged on the material box, and an auxiliary unloading plate is arranged in the material box. This scheme provides a handcart for construction sites with a simple structure, flexible and convenient operation, which can effectively cover the carried objects and realize complete unloading. However, the above technical scheme still has the following shortcomings when it is actually used:

[0004] The prior art uses tarpaulin to shield the carried objects and prevent them from falling. Since the tarpaulin that can be rolled and deformed is made of a thin material, it is easily scratched or worn by sharp edges when facing hard goods such as stones and metal parts, which will affect its ability to prevent the carried objects from falling. Frequent replacement will also increase maintenance costs and reduce transportation efficiency. Secondly, for small granular objects such as sand, gravel or materials containing liquids, the seal between the tarpaulin and the cart frame is not tight, especially when encountering bumps and sharp turns during transportation, these materials can easily leak out from the gaps at the edges of the tarpaulin, which not only causes material loss, but may also pollute the environment and increase cleaning costs.

[0005] Therefore, it is necessary to design a novel two-wheeled cart to solve the above problems. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and provides a novel two-wheeled handcart.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A novel two-wheeled trolley comprises a trolley body, the side walls of the trolley body are fixedly connected to two mounting brackets, the trolley body is provided with a cover plate for preventing materials from falling, the side walls of the cover plate are fixedly connected to a rotating shaft, the two ends of the rotating shaft are respectively rotatably connected to the two mounting brackets, a torsion spring is provided between the mounting bracket and the rotating shaft, and a fixing component is provided between the trolley body and the cover plate.

[0009] As a preferred technical solution of the utility model, the fixing assembly includes two fixing rings fixedly connected to the cart body, push rods are penetrated through both side walls of the cover plate, and the push rods are slidably connected to the cover plate, the two fixing rings correspond to the two push rods respectively, and the ends of the two push rods away from the fixing rings are commonly fixedly connected with a connecting plate, two cavities are provided inside the cover plate, the two push rods respectively pass through the two cavities, a sliding plate is provided on the fixed sleeve of the push rod, and the sliding plate is located inside the cavity, and a spring is commonly provided between the sliding plate and the inner side of the cavity.

[0010] As a preferred technical solution of the utility model, a sealing assembly is provided on the cover plate, and the sealing assembly includes a sealing ring fixedly connected to the bottom of the cover plate, an airbag is provided between the slide plate and the inner side of the cavity, a connecting pipe is connected to the airbag, the interior of the sealing ring is hollow, and the connecting pipe is connected to the interior of the sealing ring.

[0011] As a preferred technical solution of the present invention, the cover plate is made of steel.

[0012] As a preferred technical solution of the utility model, a groove is provided at the bottom of the cover plate, and the cross-section of one side of the groove is a trapezoidal structure, the top of the cart body is matched with the groove, and the sealing ring is located inside the groove.

[0013] As a preferred technical solution of the present invention, a handle is fixedly connected to the side wall of the connecting plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. Enhanced durability and protection: The steel cover replaces the traditional tarpaulin, which can effectively resist the impact and wear during transportation and maintain good condition even when loading hard or sharp objects, thereby extending the service life of the device and reducing maintenance costs;

[0016] 2. Improve sealing performance: By setting up a cover, the sealing performance of the device can be improved, thereby reducing the possibility of material falling. In addition, with the application of an airbag sealing ring, a tighter seal can be formed between the cover and the cart body, effectively preventing the leakage of small particles or liquids during transportation, thereby improving transportation efficiency and reducing material waste, while also reducing environmental pollution and subsequent cleaning work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 An exploded view of a novel two-wheeled handcart proposed in the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the cover plate and the cart body, including an enlarged view of part of the structure of the push rod and the rotating shaft;

[0019] Figure 3 It is a schematic diagram of the structure inside the cover plate, including an enlarged view of part of the structure inside the cavity.

[0020] In the figure: 1 cart body, 2 cover plate, 3 rotating shaft, 4 mounting bracket, 5 torsion spring, 6 cavity, 7 push rod, 8 fixing ring, 9 slide plate, 10 spring, 11 connecting plate, 12 air bag, 13 connecting pipe, 14 sealing ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3 A new type of two-wheeled handcart includes a cart body 1. Specifically, the cart body 1 is composed of a cart bucket, two push rods, a frame and two wheels. The push rods and the frame are fixed to the cart bucket by bolts. Bearings are provided between the wheels and the frame and fixed by nuts. Such a split structure allows the cart buckets to be stacked, which is convenient for transportation and saves transportation space. The interior of the cart bucket is an arc-shaped structure, so that the materials can be dumped cleanly, which is convenient for staff to operate. The side walls of the cart body 1 are fixedly connected to two mounting brackets 4. The cart body 1 is provided with a cover plate 2 for preventing materials from falling, and the mounting bracket 4 is also fixed by bolts. The cover plate 2 can be disassembled on the side wall of the cart body 1 during transportation so that the cart bucket can be stacked. The cover plate 2 is made of steel to ensure the sturdiness of the cover plate 2, reduce the wear of the cover plate 2 caused by the shaking of materials during transportation, and extend the service life of the device. The side wall of the cover plate 2 is fixedly connected with a rotating shaft 3, and the two ends of the rotating shaft 3 are rotatably connected to two mounting brackets 4 respectively. A torsion spring 5 is provided between the mounting bracket 4 and the rotating shaft 3. Under the action of the torsion spring 5, when the cover plate 2 is not subjected to force, the cart body 1 will be in an open state, which is convenient for the staff to dump materials. A fixing component is provided between the cart body 1 and the cover plate 2.

[0023] Reference Figure 1-3The fixing assembly includes two fixing rings 8 fixedly connected to the cart body 1, the fixing rings 8 are adapted to the size of the push rods 7, both side walls of the cover plate 2 are penetrated by push rods 7, and the push rods 7 are slidably connected to the cover plate 2, the two fixing rings 8 correspond to the two push rods 7 respectively, the ends of the two push rods 7 away from the fixing rings 8 are commonly fixedly connected with a connecting plate 11, and a handle is fixedly connected to the side wall of the connecting plate 11, two cavities 6 are provided inside the cover plate 2, the two push rods 7 pass through the two cavities 6 respectively, a slide plate 9 is fixedly sleeved on the push rod 7, and the slide plate 9 is located inside the cavity 6, and a spring 10 is commonly provided between the slide plate 9 and the inner side of the cavity 6.

[0024] Reference Figure 2 and Figure 3 A sealing assembly is provided on the cover plate 2, and the sealing assembly includes a sealing ring 14 fixedly connected to the bottom of the cover plate 2. An airbag 12 is provided between the slide plate 9 and the inner side of the cavity 6. A connecting pipe 13 is connected to the airbag 12. The interior of the sealing ring 14 is hollow, and the connecting pipe 13 is connected to the interior of the sealing ring 14. A groove is provided at the bottom of the cover plate 2, and the cross-section of one side of the groove is a trapezoidal structure. The top of the trolley body 1 is adapted to the groove. Such a design ensures that when the device is loaded, the material will not stay on the top of the trolley body 1, and when the cover plate 2 is closed, it will not affect the sealing between the cover plate 2 and the trolley body 1. The sealing ring 14 is located inside the groove.

[0025] The specific working principle of the utility model is as follows:

[0026] After the staff has finished filling the material into the trolley body 1, they pull the handle toward themselves, so that the connecting plate 11 and the push rod 7 move together, the push rod 7 can be retracted into the inside of the cover plate 2, and the spring 10 is in a stretched state at this time. Then the handle is kept in a state and rotated, so that the cover plate 2 and the rotating shaft 3 rotate together, and the cover plate 2 can cover the open part of the trolley body 1, so that the carried material can be located between the cover plate 2 and the trolley body 1. Then the handle is released, and under the elastic force of the spring 10, the push rod 7 can move in the opposite direction and reset, so that the push rod 7 can be inserted into the inside of the fixing ring 8 to fix the cover plate 2. When the vehicle body 1 is bumped and shaken during transportation, since the cover plate 2 is made of steel, the material will not easily cause damage to the cover plate 2 when it hits the cover plate 2, thereby extending the service life of the device and reducing the cost of replacement or maintenance. Compared with the material falling prevention function of the tarpaulin, the cover plate 2 can reduce the gap between it and the trolley body 1. Since the cover plate 2 is made of hard material, when the material hits the side wall of the cover plate 2, the cover plate 2 will not be easily deformed, and the gap between the cover plate 2 and the trolley body 1 will not be easily increased, which further reduces the possibility of material falling, prevents material waste, and improves the practicality of the device.

[0027] Furthermore, in the process of covering the top of the cart body 1 by the rotating cover plate 2, when the staff releases the handle to reset the push rod 7 and insert it into the fixing ring 8, the movement of the push rod 7 will drive the slide plate 9 to move. The slide plate 9 squeezes the airbag 12, so that the air in the airbag 12 enters the interior of the sealing ring 14 through the connecting pipe 13. After the sealing ring 14 is inflated, it can fill the gap between the cover plate 2 and the cart body 1, thereby improving the sealing performance of the device. In this way, when the cart body 1 carries small particles or liquid materials, the waste of materials is further reduced, and the cost of environmental cleaning is reduced.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel two-wheeled trolley, comprising a trolley body (1), characterized in that: The side wall of the cart body (1) is fixedly connected to two mounting brackets (4), the cart body (1) is provided with a cover plate (2) for preventing materials from falling, the side wall of the cover plate (2) is fixedly connected to a rotating shaft (3), the two ends of the rotating shaft (3) are respectively rotatably connected to the two mounting brackets (4), a torsion spring (5) is provided between the mounting bracket (4) and the rotating shaft (3), and a fixing component is provided between the cart body (1) and the cover plate (2).

2. A novel two-wheeled trolley according to claim 1, characterized in that: The fixing assembly comprises two fixing rings (8) fixedly connected to the trolley body (1), push rods (7) are penetrated through both side walls of the cover plate (2), and the push rods (7) are slidably connected to the cover plate (2), the two fixing rings (8) respectively correspond to the two push rods (7), and the ends of the two push rods (7) away from the fixing rings (8) are fixedly connected with a connecting plate (11), the inside of the cover plate (2) is provided with two cavities (6), the two push rods (7) respectively pass through the two cavities (6), a slide plate (9) is fixedly sleeved on the push rod (7), and the slide plate (9) is located inside the cavity (6), and a spring (10) is commonly provided between the slide plate (9) and the inner side of the cavity (6).

3. A novel two-wheeled trolley according to claim 2, characterized in that: The cover plate (2) is provided with a sealing assembly, the sealing assembly comprising a sealing ring (14) fixedly connected to the bottom of the cover plate (2), an air bag (12) is provided between the slide plate (9) and the inner side of the cavity (6), a connecting pipe (13) is provided in communication with the air bag (12), the interior of the sealing ring (14) is hollow, and the connecting pipe (13) is in communication with the interior of the sealing ring (14).

4. A novel two-wheeled trolley according to claim 1, characterized in that: The cover plate (2) is made of steel material.

5. A novel two-wheeled trolley according to claim 3, characterized in that: The bottom of the cover plate (2) is provided with a slot, and the cross-section of one side of the slot is a trapezoidal structure. The top of the cart body (1) is adapted to the slot, and the sealing ring (14) is located inside the slot.

6. A novel two-wheeled trolley according to claim 2, characterized in that: A handle is fixedly connected to the side wall of the connecting plate (11).

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