Trolley for logistics transportation

Abstract

The utility model discloses a logistics transportation cart which comprises a transverse plate, a handle is fixedly connected to the right side of the top of the transverse plate, universal wheels are fixedly connected to the four corners of the bottom of the transverse plate, movable plates are arranged on the front side and the rear side of the interior of the transverse plate, extension plates are fixedly connected to the inner sides of the movable plates, and the inner sides of the extension plates extend into the transverse plate. The inner side of the extension plate is rotationally connected with a transmission plate through a hinge. The motor drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the rotating plate to rotate, the rotating plate drives the transmission plate to move, the transmission plate drives the moving plate to move towards the side away from the transverse plate, the transverse plate drives the extending plate to retreat from the interior of the transverse plate, the extending plate is unfolded, and the extending plate does not need to be manually pulled to move with brute force in the period. The cart has the advantage of being convenient and efficient to use, the extension plate is controlled in the mode that the control assembly automatically opens and closes the extension plate, and the use convenience of the cart is improved.

Description

Technical Field

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

[0002] During the process of logistics transportation, trolleys are needed. The patent publication number is CN218431300U, which discloses a trolley for logistics transportation, including a trolley and an adjustment device. A first universal wheel is fixedly connected to the bottom of the trolley. The trolley is provided with a control handle by means of the adjustment device. Extension devices are arranged on both sides of the trolley. The extension device includes placement grooves opened on both sides of the trolley. A sliding connection is provided between the extension plate and the interior of the placement groove on the surface of the trolley. A second universal wheel is fixedly connected to one end of the extension plate. A plurality of threaded grooves are opened at one end of the extension plate close to the control handle. A fixing plate is fixedly connected to one end of the trolley close to the control handle. The utility model can increase the use area of the trolley through the extension plate, and support the extension plate through the second universal wheel to improve the load-bearing capacity of the extension plate, so as to achieve the effect that the trolley can transport more materials at one time, thereby reducing the number of times of transporting materials back and forth, and further achieving the effect of increasing the transportation efficiency of the trolley.

[0003] The above-mentioned existing technical solution has the following defects: By manually pulling the extension plate to move it and unfold it, when the frictional resistance between the extension plate and the trolley is large, the user needs to use a greater brute force to pull it, resulting in difficult operation during the telescopic process of the extension plate and reducing the usability of the trolley. Summary of the Utility Model

[0004] To solve the problems raised in the above background art, the purpose of the present utility model is to provide a trolley for logistics transportation, which has the advantages of convenient and efficient use, and solves the problem that when the extension plate is moved and unfolded by manually pulling it, when the frictional resistance between the extension plate and the trolley is large, the user needs to use a greater brute force to pull it, resulting in difficult operation during the telescopic process of the extension plate and reducing the usability of the trolley.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A trolley for logistics transportation, including a cross plate. A handle is fixedly connected to the right side of the top of the cross plate. Universal wheels are fixedly connected to the four corners of the bottom of the cross plate. Moving plates are arranged on the front side and the rear side inside the cross plate. An extension plate is fixedly connected to the inner side of the moving plate. The inner side of the extension plate extends into the cross plate. A transmission plate is rotatably connected to the inner side of the extension plate through a hinge. A control mechanism is fixedly connected to the bottom of the cross plate.

[0006] Preferably, the control mechanism includes a mounting plate fixedly connected to the right side of the bottom of the cross plate. A motor is fixedly connected to the right side of the mounting plate. The output end of the motor penetrates to the left side of the mounting plate. A worm is fixedly connected to the output end of the motor. A worm gear is meshed with the front side of the worm. A rotating plate is fixedly connected to the bottom of the worm gear. The surface of the rotating plate is rotatably connected to the surface of the transmission plate. The worm gear and the rotating plate are rotatably connected to the bottom of the cross plate through a pin shaft.

[0007] Preferably, reinforcing ribs are fixedly connected to both the front side and the rear side of the left side of the mounting plate. The top of the reinforcing ribs is fixedly connected to the bottom of the cross plate.

[0008] Preferably, a positioning sleeve is sleeved on the left side of the surface of the worm. The top of the positioning sleeve is fixedly connected to the bottom of the cross plate.

[0009] Preferably, a stabilizing sleeve is sleeved on the surface of the worm. The top of the stabilizing sleeve is fixedly connected to the bottom of the cross plate.

[0010] Preferably, a weight-reducing groove is formed on the surface of the rotating plate and is located at the bottom of the cross plate.

[0011] Preferably, a reinforcing block is fixedly connected to the surface of the handle. The bottom of the reinforcing block is fixedly connected to the top of the cross plate.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, the motor drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the rotating plate to rotate, the rotating plate drives the transmission plate to move, the transmission plate drives the moving plate to move away from the cross plate, and the cross plate drives the extension plate to withdraw from the inside of the cross plate, completing the unfolding of the extension plate. During this period, there is no need for manual brute force to pull the extension plate to move, which has the advantages of convenient and efficient use. By automatically opening and closing the extension plate through the control component, the extension plate is manipulated, improving the convenience of using the trolley.

[0014] 2. By setting the control mechanism, the present utility model can drive the extension plate to move automatically, avoiding the need for manual pulling when the extension plate moves, and improving the convenience of using the extension plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a three-dimensional view of the worm gear of the present utility model;

[0017] Figure 3Isometric view of the extension plate of the present utility model;

[0018] Figure 4 Isometric view of the drive plate of the present utility model;

[0019] Figure 5 Isometric view of the motor of the present utility model;

[0020] Figure 6 Isometric view of the moving plate of the present utility model.

[0021] In the figure: 1, horizontal plate; 2, handle; 3, universal wheel; 4, moving plate; 5, extension plate; 6, drive plate; 7, control mechanism; 71, mounting plate; 72, motor; 73, worm; 74, worm gear; 75, rotating plate; 8, reinforcing rib; 9, positioning sleeve; 10, stabilizing sleeve; 11, weight reduction groove; 12, reinforcing block. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0023] As Figures 1 to 6 shown, a trolley for logistics transportation provided by the present utility model includes a horizontal plate 1. A handle 2 is fixedly connected to the right side of the top of the horizontal plate 1. Universal wheels 3 are fixedly connected to the four corners of the bottom of the horizontal plate 1. Moving plates 4 are arranged on the front side and the rear side inside the horizontal plate 1. An extension plate 5 is fixedly connected to the inner side of the moving plate 4. The inner side of the extension plate 5 extends into the inside of the horizontal plate 1. The inner side of the extension plate 5 is rotatably connected to a drive plate 6 through a hinge. A control mechanism 7 is fixedly connected to the bottom of the horizontal plate 1.

[0024] Referring to Figure 5 , the control mechanism 7 includes a mounting plate 71. The mounting plate 71 is fixedly connected to the right side of the bottom of the horizontal plate 1. A motor 72 is fixedly connected to the right side of the mounting plate 71. The output end of the motor 72 penetrates to the left side of the mounting plate 71. A worm 73 is fixedly connected to the output end of the motor 72. A worm gear 74 is meshed with the front side of the worm 73. A rotating plate 75 is fixedly connected to the bottom of the worm gear 74. The surface of the rotating plate 75 is rotatably connected to the surface of the drive plate 6. The worm gear 74 and the rotating plate 75 are rotatably connected to the bottom of the horizontal plate 1 through a pin shaft.

[0025] As a technical optimization solution of the present utility model, by setting the control mechanism 7, the extension plate 5 can be driven to move automatically, avoiding the need to manually pull the extension plate 5 when it moves, and improving the convenience of use of the extension plate 5.

[0026] Reference Figure 5 , reinforcing ribs 8 are fixedly connected to both the front side and the rear side on the left side of the mounting plate 71, and the top of the reinforcing rib 8 is fixedly connected to the bottom of the cross plate 1.

[0027] As a technical optimization scheme of the present utility model, by providing the reinforcing rib 8, the connection between the mounting plate 71 and the cross plate 1 can be strengthened, avoiding breakage during the use of the mounting plate 71 and the cross plate 1, preventing the mounting plate 71 and the cross plate 1 from being unable to cooperate, and improving the use effect of the mounting plate 71 and the cross plate 1.

[0028] Reference Figure 5 , a positioning sleeve 9 is sleeved on the left side of the surface of the worm 73, and the top of the positioning sleeve 9 is fixedly connected to the bottom of the cross plate 1.

[0029] As a technical optimization scheme of the present utility model, by providing the positioning sleeve 9, the worm 73 can be stabilized, avoiding skewing during the rotation of the worm 73, and improving the use stability of the worm 73.

[0030] Reference Figure 5 , a stabilizing sleeve 10 is sleeved on the surface of the worm 73, and the top of the stabilizing sleeve 10 is fixedly connected to the bottom of the cross plate 1.

[0031] As a technical optimization scheme of the present utility model, by providing the stabilizing sleeve 10, the rotation of the worm 73 can be stabilized, avoiding shaking during the rotation and movement of the worm 73, resulting in loosening of the worm 73, and improving the rotational stability of the worm 73.

[0032] Reference Figure 6 , a weight reduction groove 11 is provided on the surface of the rotary plate 75, and the weight reduction groove 11 is located at the bottom of the cross plate 1.

[0033] As a technical optimization scheme of the present utility model, by providing the weight reduction groove 11, the weight of the rotary plate 75 can be reduced, avoiding difficulty in driving the rotary plate 75 during use, and reducing the working pressure of the motor 72.

[0034] Reference Figure 1 , a reinforcing block 12 is fixedly connected to the surface of the handle 2, and the bottom of the reinforcing block 12 is fixedly connected to the top of the cross plate 1.

[0035] As a technical optimization scheme of the present utility model, by providing the reinforcing block 12, the connection between the handle 2 and the cross plate 1 can be strengthened, avoiding breakage during the use of the handle 2 and the cross plate 1, preventing the handle 2 and the cross plate 1 from being unable to cooperate, and improving the use effect of the handle 2 and the cross plate 1.

[0036] Working principle and usage process of the utility model: When in use, when the extension plate 5 needs to be opened, the motor 72 is started. The motor 72 drives the worm 73 to rotate, the worm 73 drives the worm wheel 74 to rotate, the worm wheel 74 drives the rotating plate 75 to rotate, the rotating plate 75 drives the transmission plate 6 to move, the transmission plate 6 drives the moving plate 4 to move away from the cross plate 1, and the cross plate 1 drives the extension plate 5 to withdraw from the inside of the cross plate 1. The extension plate 5 is unfolded, and there is no need for manual brute force to pull the extension plate 5 during this period, thus having the advantages of convenient and efficient use.

[0037] In summary: Through the combined use of the cross plate 1, the handle 2, the universal wheels 3, the moving plate 4, the extension plate 5, the transmission plate 6 and the control mechanism 7, this logistics transportation trolley solves the problem that when the extension plate is moved and unfolded by manually pulling it, when the frictional resistance between the extension plate and the trolley is large, the user needs to use a large amount of brute force to pull it, resulting in difficult operation during the telescopic process of the extension plate and reducing the convenience of using the trolley.

[0038] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A trolley for logistics transportation, comprising a cross plate (1), characterized in that: A handle (2) is fixedly connected to the right side of the top of the cross plate (1). Universal wheels (3) are fixedly connected to the four corners of the bottom of the cross plate (1). Moving plates (4) are arranged on the front side and the rear side inside the cross plate (1). An extension plate (5) is fixedly connected to the inner side of the moving plate (4). The inner side of the extension plate (5) extends into the cross plate (1). A transmission plate (6) is rotatably connected to the inner side of the extension plate (5) through a hinge. A control mechanism (7) is fixedly connected to the bottom of the cross plate (1).

2. The trolley for logistics transportation according to claim 1, characterized in that: The control mechanism (7) includes a mounting plate (71). The mounting plate (71) is fixedly connected to the right side of the bottom of the cross plate (1). A motor (72) is fixedly connected to the right side of the mounting plate (71). The output end of the motor (72) penetrates to the left side of the mounting plate (71). A worm (73) is fixedly connected to the output end of the motor (72). A worm gear (74) is meshed with the front side of the worm (73). A rotating plate (75) is fixedly connected to the bottom of the worm gear (74). The surface of the rotating plate (75) is rotatably connected to the surface of the transmission plate (6). The worm gear (74) and the rotating plate (75) are rotatably connected to the bottom of the cross plate (1) through a pin shaft.

3. A trolley for logistics transportation according to claim 2, characterized in that: Reinforcing ribs (8) are fixedly connected to the front side and the rear side of the left side of the mounting plate (71). The top of the reinforcing rib (8) is fixedly connected to the bottom of the cross plate (1).

4. A trolley for logistics transportation according to claim 2, characterized in that: A positioning sleeve (9) is sleeved on the left side of the surface of the worm (73). The top of the positioning sleeve (9) is fixedly connected to the bottom of the cross plate (1).

5. A trolley for logistics transportation according to claim 2, characterized in that: A stabilizing sleeve (10) is sleeved on the surface of the worm (73). The top of the stabilizing sleeve (10) is fixedly connected to the bottom of the cross plate (1).

6. The trolley for logistics transportation according to claim 2, characterized in that: A weight-reducing groove (11) is formed on the surface of the rotating plate (75). The weight-reducing groove (11) is located at the bottom of the cross plate (1).

7. A trolley for logistics transportation according to claim 1, characterized in that: A reinforcing block (12) is fixedly connected to the surface of the handle (2). The bottom of the reinforcing block (12) is fixedly connected to the top of the cross plate (1).

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