Kayak with dragging structure and storage bin

Abstract

The utility model provides a kayak and storage bin with a dragging structure, which comprises a kayak body, a first dragging head and a guide table, one end of the kayak body is a bow, and the other end of the kayak body is a stern; the first dragging head is arranged at the lower end of the bow; a propeller assembly is arranged at the lower end of the stern, the guide table is arranged at the lower end of the stern, the length of the guide table is larger than that of the propeller assembly, and the distance between the guide table and the prow is smaller than that between the propeller assembly and the prow; the first dragging head is used for being connected with a traction rope, and the first dragging head is dragged through the traction rope so as to drag the ship body; the guide table is used for lifting up the stern when the ship body is dragged, and the propeller assembly is prevented from being scratched and damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the structure design technical field of excursion boat especially, it is a kind of kayak with tow structure and storage bin. BACKGROUND

[0002] The lower end of the stern of the existing kayak is usually provided with a propeller assembly for providing power and steering when the kayak is running. The propeller assembly cannot be folded and stored, resulting in the propeller assembly protruding relative to the lower end of the kayak. After the kayak is used for work, it is usually dragged from the water to the shore. Since there is a height difference between the shore and the water, the propeller assembly will be abutted and scratched by the edge of the shore when the kayak is being dragged, making it difficult to be dragged onto the shore, and the propeller assembly will be damaged due to scratching.

[0003] Therefore, it is urgent to overcome the defects of the existing technology in the technical field. SUMMARY

[0004] The problem to be solved by the utility model is how to avoid the propeller assembly from being scratched and damaged during the process of dragging the kayak onto the shore.

[0005] In a first aspect, a kayak with a towing structure is provided, comprising: a hull 1, a first towing head 2 and a guide table 3, wherein:

[0006] One end of the hull 1 is a bow 11, and the other end of the hull 1 is a stern 12;

[0007] The first towing head 2 is arranged at the lower end of the bow 11;

[0008] A propeller assembly 4 is arranged at the lower end of the stern 12, and the guide table 3 is arranged at the lower end of the stern 12. The length of the guide table 3 is greater than the length of the propeller assembly 4, and the distance between the guide table 3 and the bow 11 is less than the distance between the propeller assembly 4 and the bow 11.

[0009] The first towing head 2 is used to connect with a traction rope, and the first towing head 2 is pulled by the traction rope to tow the hull 1. The guide table 3 is used to lift the stern 12 when the hull 1 is being towed, so as to avoid the propeller assembly 4 from being scratched.

[0010] Preferably, the first towing head 2 comprises a first docking plate 21 and a sleeve ring 22, wherein:

[0011] The first docking plate 21 is arranged at the lower end of the bow 11, and the sleeve ring 22 is arranged on the first docking plate 21.

[0012] The sleeve joint 22 is used for the sleeve joint of the towing rope to realize the joint between the towing rope and the first towing head 2.

[0013] Preferably, the first docking plate 21 is provided with a plurality of first through holes, and the bow 11 is provided with a plurality of first screw holes corresponding to the first through holes, and the first through holes and the first screw holes are matched by screws to realize the fixation between the first docking plate 21 and the lower end of the bow 11.

[0014] Preferably, the guide table 3 comprises a second docking plate 31 and a guide plate 32, wherein:

[0015] The second docking plate 31 is arranged at the lower end of the stern 12, and the guide plate 32 is arranged on the second docking plate 31.

[0016] The guide plate 32 is used for lifting the stern 12 when the hull 1 is towed to avoid scratching the propeller assembly 4.

[0017] Preferably, the guide plate 32 is provided with a transition inclined surface 321 on the side facing the bow 11, and the width of the guide plate 32 gradually decreases from top to bottom.

[0018] Preferably, the second docking plate 31 is provided with a plurality of second through holes, and the stern 12 is provided with a plurality of second screw holes corresponding to the second through holes, and the second through holes and the second screw holes are matched by screws to realize the fixation between the second docking plate 31 and the lower end of the stern 12.

[0019] In the second aspect, a storage bin is provided for storing the kayak with the towing structure, comprising a cabin 5 and a limiting groove 6, wherein:

[0020] One end of the cabin 5 is an entry end 51, the bottom of the cabin 5 is a support plate 52, and both sides of the cabin 5 are provided with a first limiting plate 53.

[0021] The support plate 52 is provided with a limiting groove 6, and the limiting groove 6 is located at the position of the entry end 51.

[0022] The cabin 5 is used for towing the kayak from the entry end 51, the upper end of the first limiting plate 53 is used for supporting the two sides of the bottom of the kayak, and the limiting groove 6 is used for accommodating and limiting the guide table 3.

[0023] Preferably, the upper end of the first limiting plate 53 is provided with a plurality of rollers 7.

[0024] Preferably, the end of the first limiting plate 53 facing the entry end 51 is a buffer surface 511, and the height of the buffer surface 511 gradually decreases in the extension direction towards the entry end 51.

[0025] The buffer surface 511 is used for the transition of the lower end of the kayak to the upper end of the first limiting plate 53 from the lower end of the first limiting plate 53.

[0026] Preferably, the cabin body 5 is provided with a second limiting plate 54 at the end opposite to the storage end 51.

[0027] The outer side of the second limiting plate 54 is provided with a second towing head 55.

[0028] The utility model provides a kind of kayak and storage bin with towing structure, including: ship body 1, first towing head 2 and guide table 3, wherein: the one end of the ship body 1 is bow 11, and the other end of the ship body 1 is stern 12;The first towing head 2 is arranged at the lower end of the bow 11;Screw propeller assembly 4 is arranged at the lower end of the stern 12, the guide table 3 is arranged at the lower end of the stern 12, the length of the guide table 3 is greater than the length of the screw propeller assembly 4, and the distance between the guide table 3 and the bow 11 is less than the distance between the screw propeller assembly 4 and the bow 11;The first towing head 2 is used to be connected with traction rope, and the first towing head 2 is towed by traction rope to tow the ship body 1;The guide table 3 is used to pad up the stern 12 when the ship body 1 is towed, to avoid that the screw propeller assembly 4 is scratched and damaged. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0030] Figure 1 a The structure schematic diagram of the kayak with towing structure from the top view is provided for the embodiments of the present application.

[0031] Figure 1 The structure schematic diagram of the kayak with towing structure is provided for the embodiments of the present application.

[0032] Figure 2 The structure schematic diagram of the first towing head of the kayak with towing structure is provided for the embodiments of the present application.

[0033] Figure 3 The structure schematic diagram of the guide table of the kayak with towing structure is provided for the embodiments of the present application.

[0034] Figure 4A structure schematic view of a storage bin provided by the utility model embodiment;

[0035] Figure 5 Another structure schematic view of a storage bin provided by the utility model embodiment;

[0036] Figure 6 Another structure schematic view of a storage bin provided by the utility model embodiment;

[0037] Figure 7 Another structure schematic view of a storage bin provided by the utility model embodiment;

[0038] Among them, the drawing number is as follows:

[0039] Hull 1, bow 11, stern 12, first tow head 2, first butt joint plate 21, sleeve joint ring 22, guide table 3, second butt joint plate 31, guide plate 32, transition inclined surface 321, propeller assembly 4, cabin body 5, into bin end 51, buffer surface 511, support plate 52, first limiting plate 53, second limiting plate 54, second tow head 55, limiting groove 6, third limiting plate 62, fourth limiting plate 63, fifth limiting plate 64, sixth limiting plate 65, roller 7. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be combined with the drawings and examples, and the utility model will be further described in detail. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0041] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present disclosure.

[0042] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present disclosure, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, for example, in the description, the same type of nouns will also be described as two independent individuals by adding "A", "B" at the end, in which case the features limited by "A", "B" are only used for the purpose of distinguishing the same type of individual description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.

[0043] In describing some embodiments, "coupled", "coupling" and "connected" and their derivatives can be used. For example, the term "connected" can be used to describe some embodiments to indicate that two or more components have direct physical or electrical contact with each other. For another example, the term "coupling" can be used to describe some embodiments to indicate that two or more components have direct physical or electrical contact. However, the term "connected" or "coupled" can also refer to two or more components that do not have direct contact with each other, but still cooperate or interact with each other, such as "optical coupling", "wireless connection" and the like. The embodiments disclosed herein are not necessarily limited to the content of the utility model.

[0044] In the description of the utility model, the expression "A and / or B" in which A and B are used to represent specific feature content in the form of expression, and the corresponding expression includes the following three combinations: only A, only B, and the combination of A and B.

[0045] In the utility model, "about", "approximately" or "approximately" includes the value described and the average value within the acceptable deviation range of the specific value, wherein the acceptable deviation range is determined by the person skilled in the art considering the measurement being discussed and the error related to the measurement of the specific quantity, i.e. the limitation of the measurement system.

[0046] Unless the context clearly requires otherwise, throughout the description and the claims, the word "comprise", and variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated integer or group of integers but not the exclusion of any other integer or group of integers. In description of the specification, the terms "one embodiment", "some embodiments", "an example embodiment", "an example", "a specific example" or "some examples" are intended to mean that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the present disclosure. These terms are not necessarily intended to refer to the same embodiment or example. Furthermore, these terms are not necessarily intended to refer to an embodiment or example that comprises all of the features, structures, materials, or characteristics noted together in the foregoing terms. The illustrative examples are not meant to be limiting.

[0047] Furthermore, the technical features involved in each of the embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0048] Embodiment 1:

[0049] The present embodiment provides a kayak with a towing structure, as shown in Figure 1 a and Figure 1 , comprising a hull 1, a first towing head 2 and a guide platform 3, wherein:

[0050] One end of the hull 1 is a bow 11, and the other end of the hull 1 is a stern 12. The first towing head 2 is arranged at the lower end of the bow 11. A propeller assembly 4 is arranged at the lower end of the stern 12. The guide platform 3 is arranged at the lower end of the stern 12. The length of the guide platform 3 is greater than the length of the propeller assembly 4. The distance between the guide platform 3 and the bow 11 is less than the distance between the propeller assembly 4 and the bow 11. The length of the guide platform 3 refers to the length in the vertical direction when the guide platform 3 is installed on the hull 1, that is, the distance between the end of the guide platform 3 and the hull 1. The length of the propeller assembly 4 refers to the length in the vertical direction when the propeller assembly 4 is installed on the hull 1, that is, the distance between the end of the propeller assembly 4 and the hull 1.

[0051] The first towing head 2 is used to connect with a towing rope, and the first towing head 2 is towed by the towing rope to tow the hull 1. The guide platform 3 is used to lift the stern 12 when the hull 1 is towed, so as to avoid scratching the propeller assembly 4.

[0052] In the present embodiment, when it is needed to tow the hull 1 from the water to the shore, the towing rope can be sleeved on the first towing head 2, and the hull 1 is towed by pulling the towing rope.

[0053] The problem in the above process is that the propeller assembly 4 at the lower end of the stern 12 includes a downwardly extending mounting post and a propeller mounted on the mounting post. The mounting post itself has a certain length and cannot be folded, which causes the mounting post to protrude a certain length from the lower end of the hull 1. During the process of towing the hull 1 from the water to the shore, due to the height difference between the shore and the water, the mounting post will scrape or come into contact with the edge of the shore, causing damage to the mounting post and the propeller.

[0054] Therefore, to avoid the above problems, in this embodiment, a guide platform 3 is provided at the lower end of the hull 1. The guide platform 3 is located at the lower end of the stern 12 and is adjacent to the propeller assembly 4. The guide platform 3 is closer to the bow 11 than the propeller assembly 4, thus ensuring that the guide platform 3 will hit the shore before the propeller assembly 4 during the process of towing the hull 1 ashore. When the guide platform 3 reaches the shore, it will raise the stern 12 by a certain height. Since the length of the guide platform 3 is greater than the length of the propeller assembly 4, the propeller assembly 4 is less likely to be scratched after the stern 12 is raised, effectively avoiding damage to the propeller assembly 4 during the towing of the hull 1.

[0055] Furthermore, in this embodiment, the first towing head 2 is designed to dock with the lower end of the bow 11 and directly with the towing rope, as follows:

[0056] like Figure 2 As shown, the first towing head 2 includes: a first docking plate 21 and a connecting ring 22, wherein: the first docking plate 21 is disposed at the lower end of the bow 11, and the connecting ring 22 is disposed on the first docking plate 21; the connecting ring 22 is used for the towing rope to be connected, so as to realize the connection between the towing rope and the first towing head 2.

[0057] The first docking plate 21 is provided with a plurality of first through holes, and the lower end of the bow 11 is provided with a plurality of first screw holes. The first through holes and the first screw holes correspond to each other and are engaged by screws to achieve the fixation between the first docking plate 21 and the lower end of the bow 11.

[0058] Furthermore, the guide platform 3 described in this embodiment involves the following design:

[0059] like Figure 3 As shown, the guide platform 3 includes a second docking plate 31 and a guide plate 32, wherein: the second docking plate 31 is disposed at the lower end of the stern 12, and the guide plate 32 is disposed on the second docking plate 31; the guide plate 32 is used to lift the stern 12 when the hull 1 is towed to prevent the propeller assembly 4 from being scratched.

[0060] The second butt joint plate 31 is provided with a plurality of second through holes, and the lower end of the stern 12 is provided with a plurality of second screw holes, the second through holes and the second screw holes correspond to each other and are matched by screws to fix the second butt joint plate 31 and the lower end of the stern 12.

[0061] Further, considering that when the hull 1 is towed from the water to the shore, the guide table 3 will be abutted and scraped by the shore due to the height difference between the shore and the water, the abutment between the guide table 3 and the shore makes the hull 1 be hindered during the towing process, and the hull 1 is difficult to be towed to the shore, and the guide table 3 is difficult to smoothly transition to the shore, and if the user forcibly tows the hull 1, the abutment between the guide table 3 and the shore can also cause damage to the guide table 3, therefore, the embodiment also relates to the following design:

[0062] As shown in Figure 3 , the transition inclined surface 321 is arranged on the side of the guide plate 32 facing the bow 11, and the width of the guide plate 32 gradually decreases from top to bottom.

[0063] In the embodiment, the guide plate 32 can be a right-angled triangle, wherein the hypotenuse of the right-angled triangle is the transition inclined surface 321, and the hypotenuse of the right-angled triangle faces the direction where the bow 11 is located, and one of the two right-angled sides of the right-angled triangle is connected with the bottom, and the other right-angled side faces the direction where the stern 12 is located. During the process of towing the hull 1 to the shore by the traction rope, the shore will first contact the transition inclined surface 321, and the transition inclined surface 321 will be subjected to an upward component force, and the edge of the shore can relatively displace along the transition inclined surface 321, so that the guide table 3 is more easily towed to the shore during the towing process, and the possibility of damage to the guide table 3 due to abutment and scraping is also reduced, and the experience during actual use is improved.

[0064] Embodiment 2:

[0065] The embodiment provides a storage bin based on the embodiment 1, which is used for storing the kayak with the towing structure, as shown in Figure 4 and Figure 5 The embodiment provides a storage bin based on the embodiment 1, which is used for storing the kayak with the towing structure, as shown in

[0066] One end of the bin body 5 is an entry end 51, the bottom of the bin body 5 is a support plate 52, and the two sides of the bin body 5 are provided with first limiting plates 53; the support plate 52 is provided with a limiting groove 6, and the limiting groove 6 is located at the position of the entry end 51.

[0067] The bin body 5 is used for towing the kayak from the entry end 51, the upper end of the first limiting plate 53 is used for supporting the two side positions of the bottom of the kayak, and the limiting groove 6 is used for accommodating and limiting the guide table 3.

[0068] In this embodiment, the storage bin is used to place the kayak with the towing structure described in embodiment 1. In actual application scenarios, the storage bin is usually placed on the shore, and the kayak is directly towed to the storage bin while being towed onto the shore. Subsequently, the storage bin is towed for transportation, thereby realizing the transportation and transfer of the kayak. The storage bin avoids the kayak directly contacting the ground during transportation, thereby causing damage to the kayak. Further, since the kayak body 1 is provided with the guide table 3 at the lower end, the guide table 3 is placed in the limiting groove 6 to limit the guide table 3, thereby realizing the limitation of the kayak on the storage bin and avoiding the kayak from being separated from the storage bin during transportation.

[0069] In this embodiment, since the kayak is towed from the storage end 51, after the kayak is completely towed onto the storage bin, the stern 12 is located at the storage end 51, and the bow 11 is located at the opposite end of the storage end 51. When the kayak is placed on the storage bin, the bottom sides of the kayak are supported by the first limiting plate 53. Since the lower end of the kayak is a circular arc surface, the middle of the lower end of the kayak is located in the cabin 5, and the two sides of the lower end of the kayak are supported and limited by the first limiting plate 53, thereby avoiding the kayak from being separated from the storage bin.

[0070] Further, since the kayak is towed along the upper end of the first limiting plate 53 on both sides of the cabin 5 during the process of being towed to the storage bin, in order to ensure the convenience of relative movement between the kayak and the cabin 5, the embodiment also relates to the following design:

[0071] As shown in Figure 5 , the upper end of the first limiting plate 53 is provided with a plurality of rollers 7.

[0072] The rollers 7 are arranged in parallel on the upper end of the first limiting plate 53. When the kayak is towed along the first limiting plate 53 on both sides, the rollers 7 can reduce the friction between the lower end of the kayak and the upper end of the first limiting plate 53, thereby making the towing process of the kayak more convenient.

[0073] Further, in order to make the kayak more convenient to be towed onto the storage bin, the part of the first limiting plate 53 towards the storage end 51 needs to be designed accordingly in this embodiment, so that the kayak is more easily towed onto the upper end of the first limiting plate 53 from the water.

[0074] As shown in Figure 5 , the end of the first limiting plate 53 towards the storage end 51 is a buffer surface 511, and the extension direction of the buffer surface 511 towards the storage end 51 gradually decreases in height. The buffer surface 511 is used for the transition of the lower end of the kayak from the lower end of the first limiting plate 53 to the upper end of the first limiting plate 53.

[0075] Further, in actual use, after the kayak is placed on the storage bin, the storage bin needs to be transferred to realize the transfer of the kayak, so the storage bin is provided with a corresponding transfer structure, for example:

[0076] As shown in Figure 6 The second limiting plate 54 is provided with a second towing head 55 on the outer side surface thereof; the second towing head 55 is used for being connected with a traction rope, and the storage bin is towed by towing the second towing head 55 through the traction rope.

[0077] Further, the cabin 5 is further provided with a rolling wheel below, so that when the cabin 5 is towed, the cabin 5 can travel on the road through the rolling wheel.

[0078] In the embodiment, as shown in Figure 7 The limiting groove 6 comprises a third limiting plate 62, a fourth limiting plate 63, a fifth limiting plate 64 and a sixth limiting plate 65, wherein the sixth limiting plate 65 and the third limiting plate 62 are arranged in parallel with each other, the fourth limiting plate 63 and the fifth limiting plate 64 are arranged in parallel with each other and both extend from the sixth limiting plate 65 to the third limiting plate 62, the sixth limiting plate 65 is perpendicular to the fourth limiting plate 63 and the fifth limiting plate 64, the third limiting plate 62 is perpendicular to the fourth limiting plate 63 and the fifth limiting plate 64, the third limiting plate 62, the fourth limiting plate 63, the sixth limiting plate 65 and the fifth limiting plate 64 surround to obtain the limiting groove 6, and the guide table 3 is arranged in the limiting groove 6.

[0079] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A kayak with a tow structure, characterized in that, The utility model relates to a kind of boat and its cabin, including: Hull (1), first tow head (2) and guide platform (3), wherein: One end of the hull (1) is bow (11), the other end of the hull (1) is stern (12); The first tow head (2) is arranged at the lower end of the bow (11); Screw propeller assembly (4) is arranged at the lower end of the stern (12), the guide platform (3) is arranged at the lower end of the stern (12), the length of the guide platform (3) is greater than the length of the screw propeller assembly (4), the distance between the guide platform (3) and the bow (11) is less than the distance between the screw propeller assembly (4) and the bow (11); The first tow head (2) is used to connect with tow rope, and the first tow head (2) is towed by tow rope to tow the hull (1);The guide platform (3) is used to pad up the stern (12) when the hull (1) is towed, to avoid that the screw propeller assembly (4) is scratched.

2. The kayak with a tow structure according to claim 1, characterized in that, The first tow head (2) includes: first docking plate (21) and sleeve ring (22), wherein: The first docking plate (21) is arranged at the lower end of the bow (11), and the sleeve ring (22) is arranged on the first docking plate (21); The sleeve ring (22) is used for sleeveing the tow rope to realize the connection between the tow rope and the first tow head (2).

3. The kayak with a tow structure according to claim 2, characterized in that, A plurality of first through holes are arranged on the first docking plate (21), a plurality of first screw holes are arranged at the lower end of the bow (11), the first through holes correspond to the first screw holes, and the first docking plate (21) and the lower end of the bow (11) are fixed by screws.

4. The kayak with a tow structure according to claim 1, characterized in that, The guide platform (3) includes second docking plate (31) and guide plate (32), wherein: The second docking plate (31) is arranged at the lower end of the stern (12), and the guide plate (32) is arranged on the second docking plate (31); The guide plate (32) is used to pad up the stern (12) when the hull (1) is towed, to avoid that the screw propeller assembly (4) is scratched.

5. The kayak with a tow structure according to claim 4, characterized in that The side of the guide plate (32) towards the bow (11) is provided with a transition inclined surface (321), and the width of the guide plate (32) gradually decreases from top to bottom.

6. The kayak with a tow structure according to claim 4, characterized in that, A plurality of second through holes are arranged on the second docking plate (31), a plurality of second screw holes are arranged at the lower end of the stern (12), the second through holes correspond to the second screw holes, and the second docking plate (31) and the lower end of the stern (12) are fixed by screws.

7. A storage bin for storing a kayak with a tow structure as claimed in any one of claims 1 to 6, characterised in that, The utility model relates to a kind of boat and its cabin, including: Cabin (5) and limiting groove (6), wherein: One end of the cabin (5) is warehouse entry end (51), the bottom of the cabin (5) is support plate (52), and first limiting plate (53) is arranged on both sides of the cabin (5); The support plate (52) is provided with a limiting groove (6), and the limiting groove (6) is located at the position of the warehouse entry end (51); The cabin (5) is used for dragging kayak from the warehouse entry end (51), the upper end of the first limiting plate (53) is used to support the both sides of the bottom of the kayak, and the limiting groove (6) is used to accommodate the guide platform (3) and limit the guide platform (3).

8. The cartridge of claim 7, wherein, The first limiting plate (53) is provided with a plurality of rollers (7) at the upper end.

9. The cartridge of claim 7, wherein, The first limiting plate (53) has a buffer surface (511) at one end facing the storage end (51), and the height of the buffer surface (511) gradually decreases in the extension direction of the storage end (51). The buffer surface (511) is used for the transition of the lower end of the kayak from the lower end of the first limiting plate (53) to the upper end of the first limiting plate (53).

10. The cartridge of claim 7, wherein, The cabin (5) is provided with a second limiting plate (54) at the end opposite to the storage end (51). The outer side of the second limiting plate (54) is provided with a second towing head (55); the second towing head (55) is used for being connected with a traction rope, and the second towing head (55) is towed by the traction rope to tow the storage bin.

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