Transport vehicle

Abstract

The utility model provides a transport vehicle. The transport vehicle comprises a push rod assembly and a storage part. The push rod assembly is connected with the storage part; the push rod assembly comprises a first push rod group, a second push rod group and a third push rod group; the first push rod group and the second push rod group are coaxially arranged and jointly form a telescopic rod group; the second push rod group is rotationally connected with the third push rod group; in the folding or unfolding process of the transport vehicle, the first push rod set can feed in the axis direction of the second push rod set, and the second push rod set can rotate between a first rotation angle and a second rotation angle relative to the third push rod set. In the embodiment of the invention, the extension or retraction of the first push rod group can be realized by extending or retracting the first push rod group from the second push rod group, and the unfolding or folding of the second push rod group can be realized by adjusting the rotation angle between the second push rod group and the third push rod group; therefore, when people do not need to use the transport vehicle, the transport vehicle can be folded to be conveniently stored.

Description

Technical Field

[0001] This application relates to the field of transportation technology, specifically to a transport vehicle. Background Technology

[0002] With the emergence of transportation needs in the logistics sector, such as delivering express packages and transporting laboratory equipment, transportation tools have become increasingly essential. Among them, handcarts, which are manually pushed or pulled, remain indispensable tools despite continuous advancements in material handling technology. Handcarts can operate in places where motorized vehicles are inconvenient, are particularly convenient for moving lighter items over short distances, and save labor, time, and money when transporting goods.

[0003] One common type of shopping cart on the market includes a push rod assembly and a storage compartment. People place items in the storage compartment and push the push rod assembly to complete daily tasks such as express delivery and supermarket shopping. However, these shopping carts are relatively large and take up a lot of space, making it difficult for people to find storage space for them indoors, resulting in inconvenience. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model discloses a transport vehicle that can solve the technical problems of existing handcarts being large in size, occupying space, and making it difficult for people to find storage space for handcarts in indoor environments, thus causing inconvenience in use.

[0005] To achieve the above objectives, this application provides a transport vehicle including a push rod assembly and a storage compartment;

[0006] The push rod assembly is connected to the storage section;

[0007] The push rod assembly includes a first push rod group, a second push rod group, and a third push rod group; the first push rod group and the second push rod group are coaxially arranged, and the first push rod group and the second push rod group together constitute a telescopic rod group; the second push rod group and the third push rod group are rotatably connected.

[0008] During the folding or unfolding of the transport vehicle, the first push rod assembly can be fed along the axial direction of the second push rod assembly, and the second push rod assembly can rotate relative to the third push rod assembly between a first rotation angle and a second rotation angle.

[0009] In one possible embodiment, the first push rod group includes two parallel first push rods; the second push rod group includes two second push rods that correspond one-to-one with the two first push rods;

[0010] Each first push rod is slidably disposed inside the second push rod corresponding to each first push rod; each first push rod can be fed along the axial direction of the second push rod corresponding to each first push rod.

[0011] In a possible embodiment, the first push rod group comprises a first connecting rod;

[0012] Two ends of the first connecting rod are fixedly connected with top ends of the two first push rods respectively; the first connecting rod and the two first push rods jointly constitute a "U"-shaped rod structure.

[0013] In a possible embodiment, the second push rod group comprises a second connecting rod;

[0014] Two ends of the second connecting rod are fixedly connected with the two second push rods respectively.

[0015] In a possible embodiment, the third push rod group comprises two third push rods corresponding to the two second push rods respectively;

[0016] Each third push rod is rotationally connected with the second push rod corresponding to the third push rod through a locking structure.

[0017] In a possible embodiment, the article placing part comprises a placing rod group;

[0018] Two ends of the placing rod group are rotationally connected with the two third push rods respectively; during folding or unfolding of the transport vehicle, the placing rod group can rotate relative to the two third push rods between a third rotation angle and a fourth rotation angle.

[0019] In a possible embodiment, the article placing part comprises a support rod group; the support rod group comprises a first support rod;

[0020] The first support rod is rotationally connected with the placing rod group;

[0021] During transportation of the transport vehicle, the placing rod group is used for placing an object to be transported; the first support rod is used for contacting the ground, thereby supporting the placing rod group.

[0022] In a possible embodiment, the first support rod is a "U"-shaped rod structure.

[0023] In a possible embodiment, the support rod group comprises two second support rods corresponding to the two third push rods respectively and two connecting pieces corresponding to the two third push rods respectively;

[0024] One end of each connecting piece is rotationally connected with the placing rod group, and the other end of each connecting piece is rotationally connected with the second support rod corresponding to the connecting piece; during use of the transport vehicle, each second support rod supports the placing rod group by supporting the connecting piece corresponding to each support rod, so that the placing rod group reaches a limit rotation position downward from a horizontal or nearly horizontal position.

[0025] In a possible embodiment, the transport vehicle comprises a wheel group;

[0026] The wheel group is rotationally arranged at the bottom of the third push rod group.

[0027] The technical scheme provided by the embodiment of the application has the following technical effects:

[0028] The transport vehicle in the application can realize the extension or folding of the first push rod group of the push rod assembly of the transport vehicle by extending the first push rod group outside the second push rod group or retracting the first push rod group inside the second push rod group, and can realize the unfolding or folding of the second push rod group and the third push rod group of the push rod assembly of the transport vehicle by adjusting the rotation angle between the second push rod group and the third push rod group, so that the push rod assembly can be unfolded to realize the transportation function when the transport vehicle is needed to be used, and the push rod assembly can be folded to reduce the floor space of the transport vehicle after the use of the transport vehicle is finished, thereby facilitating the user to store the transport vehicle. BRIEF DESCRIPTION OF DRAWINGS

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

[0030] Figure 1 is a structure schematic diagram of a transport vehicle provided by the embodiment of the application Figure 1 ;

[0031] Figure 2 is a structure schematic diagram of a transport vehicle provided by the embodiment of the application Figure 2 ;

[0032] Figure 3 is a structure schematic diagram of a transport vehicle provided by the embodiment of the application Figure 3 ;

[0033] Figure 4 is a schematic diagram of a first locking member of a transport vehicle provided by the embodiment of the application

[0034] Figure 5 is a schematic diagram of a second locking member of a transport vehicle provided by the embodiment of the application

[0035] In the drawings, the reference signs are explained as follows:

[0036] 1 - push rod assembly; 11 - first push rod group; 111 - first push rod; 112 - first connecting rod; 12 - second push rod group; 121 - second push rod; 122 - second connecting rod; 13 - third push rod group; 131 - third push rod; 14 - locking structure; 141 - first locking piece; 142 - second locking piece; 143 - locking button; 144 - limiting rod; 145 - locking spring; 146 - limiting groove; 147 - arc-shaped groove portion; 148 - straight groove; 2 - storage part; 21 - placing rod group; 211 - first placing rod; 212 - second placing rod; 22 - support rod group; 221 - first support rod; 222 - second support rod; 223 - connecting piece; 3 - wheel group; 31 - wheel. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0038] It should be noted that the "one embodiment" or "an embodiment" in the specification of the embodiments of the present application means that the specific features, structures or characteristics can be included in at least one implementation of the present application. It should be understood that in the specification and claims of the embodiments of the present application and the above drawings, the terms "upper", "lower", "top", "bottom", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. Moreover, the terms "first", "second", etc. are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.

[0039] As shown in Figures 1 to 5 The present application provides a transport vehicle, which comprises a push rod assembly 1 and a storage part 2. The push rod assembly 1 can be connected with the storage part 2. The push rod assembly 1 can be connected with the storage part 2 by fixed connection, detachable connection, sliding connection, rotary connection, etc. The push rod assembly 1 is used to fix the storage part 2 so that the storage part 2 can place the objects to be transported. The objects to be transported can include but are not limited to express, goods, instruments and other life or industrial goods.

[0040] The push rod assembly 1 can include a first push rod group 11, a second push rod group 12, and a third push rod group 13. The first push rod group 11 can be coaxially arranged with the second push rod group 12, and the push rods in the first push rod group 11 are coaxially arranged with the push rods in the second push rod group 12. The first push rod group 11 and the second push rod group 12 together constitute an extension rod group, wherein the push rods in the first push rod group 11 can be a sleeve structure sleeved on the push rods of the second push rod group 12, or the push rods in the second push rod group 12 can be a sleeve structure sleeved on the first push rod group 11. The push rods of the second push rod group 12 can be rotationally connected with the push rods of the third push rod group 13.

[0041] During the folding or unfolding of the transport vehicle, the first push rod group 11 can be fed along the axial direction of the second push rod group 12, so as to retract the first push rod group 11 into the second push rod group 12 or extend the first push rod group 11 out of the second push rod group 12. The second push rod group 12 can be rotated relative to the third push rod group 13 between a first rotation angle and a second rotation angle, so as to unfold or retract the second push rod group 12 from the third push rod group 13.

[0042] Optionally, the first rotation angle can be 0°, and the second rotation angle can be 180°. When the second push rod group 12 is rotated to 0° relative to the third push rod group 13, the second push rod group 12 overlaps the third push rod group 13. When the second push rod group 12 is rotated to 180° relative to the third push rod group 13, the second push rod group 12 is located on the extension line of the third push rod group 13.

[0043] Therefore, the transport vehicle in the present application can unfold or fold the first push rod group 11 of the push rod assembly 1 by extending the first push rod group 11 out of the second push rod group 12 or retracting the first push rod group 11 into the second push rod group 12, and can unfold or fold the second push rod group 12 and the third push rod group 13 of the push rod assembly 1 by adjusting the rotation angle between the second push rod group 12 and the third push rod group 13, so as to unfold the push rod assembly 1 to realize the transport function when the transport vehicle is needed to be used, and fold the push rod assembly 1 to reduce the floor space of the transport vehicle after the use of the transport vehicle is finished, thereby facilitating the user to store the transport vehicle.

[0044] In a possible embodiment, the first push rod group 11 includes two first push rods 111 arranged in parallel, and the second push rod group 12 includes two second push rods 121 corresponding to the two first push rods 111 one by one. During the transport of the transport vehicle, the two first push rods 111 can be vertically placed, and similarly, the two second push rods 121 are also vertically placed, and the two second push rods 121 are arranged below the two first push rods 111.

[0045] Each first push rod 111 can be slidably arranged inside the second push rod 121 corresponding to each first push rod 111, and each first push rod 111 can be fed along the axial direction of the second push rod 121 corresponding to each first push rod 111.

[0046] In other embodiments, each first push rod 111 can also be slidably arranged outside the second push rod 121 corresponding to each first push rod 111, and each first push rod 111 can also be fed along the axial direction of the second push rod 121 corresponding to each first push rod 111.

[0047] In a possible embodiment, the first push rod group 11 includes a first connecting rod 112, both ends of the first connecting rod 112 are fixedly connected with the top ends of the two first push rods 111 respectively, and the first connecting rod 112 is used to connect the two first push rods 111 and fix the relative position between the two first push rods 111. The first connecting rod 112 can be fixedly connected with the two first push rods 111, the first connecting rod 112 can be integrally formed with the two first push rods 111, and the first connecting rod 112 and the two first push rods 111 together constitute a “U” shaped rod structure. The first connecting rod 112 can also be a push rod that can be pushed by the user, and when the user needs to push the transport vehicle, the user can use his hand to apply force to the first connecting rod 112 to push the push rod of the transport vehicle.

[0048] In a possible embodiment, the second push rod group 12 includes a second connecting rod 122, both ends of the second connecting rod 122 are fixedly connected with the two second push rods 121 respectively. The second connecting rod 122 is used to connect the two second push rods 121 and fix the relative position between the two second push rods 121, the second connecting rod 122 can be fixedly connected with the two second push rods 121, the second connecting rod 122 can be integrally formed with the two second push rods 121, and the second connecting rod 122 can also be detachably connected with the two second push rods 121.

[0049] In a possible embodiment, the third push rod group 13 includes two third push rods 131 corresponding to the two second push rods 121 respectively, each third push rod 131 is rotatably connected with the second push rod 121 corresponding to each third push rod 131 through the locking structure 14, and the locking structure 14 can be used to lock the rotation angle between the third push rod 131 and the second push rod 121 when the second push rod 121 and the third push rod 131 are fully opened.

[0050] The locking structure 14 can also be used to limit the rotation angle between the third push rod 131 and the second push rod 121, so that the included angle between the third push rod 131 and the second push rod 121 is always within the expected angle range, and the expected angle range can be 0° to 180°.

[0051] The locking structure 14 can include a first locking piece 141 and a second locking piece 142, which can be coaxially arranged, and the first locking piece 141 can rotate relative to the second locking piece 142. The first locking piece 141 can be connected with the second push rod 121, and the second locking piece 142 can be connected with the third push rod 131, or the first locking piece 141 can be connected with the third push rod 131, and the second locking piece 142 can be connected with the second push rod 121.

[0052] The first locking piece 141 can include one or two sets of locking structures, which can include a locking button 143, a limiting rod 144, and a locking spring 145, and the second locking piece 142 can include a limiting groove 146, which can include an arc-shaped groove portion 147 and a straight groove portion 148. The locking button 143 can include a limiting hole corresponding to the limiting rod 144, the limiting rod 144 is arranged through the inside of the limiting hole, and the rod end of the limiting rod 144 can be located inside the limiting groove 146, and the limiting rod 144 can slide in the limiting groove 146.

[0053] When the first locking piece 141 includes one set of locking structures, one end of the limiting rod 144 is located inside the limiting groove 146. When the first locking piece 141 includes two sets of locking structures, the two sets of locking structures are symmetrically arranged on both sides of the limiting rod 144, and both ends of the limiting rod 144 are located inside the limiting groove 146 of the two sets of locking structures.

[0054] The end of the arc-shaped groove portion 147 away from the straight groove portion 148 can correspond to the folded state of the third push rod 131 and the second push rod 121, and when the third push rod 131 and the second push rod 121 are in the folded state, one end or both ends of the limiting rod 144 are located at the end of the arc-shaped groove portion 147 away from the straight groove portion 148. The straight groove portion 148 can correspond to the fully open state of the third push rod 131 and the second push rod 121, and when the third push rod 131 and the second push rod 121 are in the fully open state, one end or both ends of the limiting rod 144 are located in the straight groove portion 148.

[0055] When one end or both ends of the limiting rod 144 is located in the arc-shaped slot portion 147, the locking spring 145 can be in a compressed state, and the locking structure 14 does not lock the rotation angle between the third push rod 131 and the second push rod 121. When one end or both ends of the limiting rod 144 is located in the straight slot 148, the locking spring 145 pushes the limiting rod 144 to move away from the axis of the first locking piece 141, and one end or both ends of the limiting rod 144 is located outside the arc-shaped slot portion 147, and the rotation between the first limiting piece 141 and the second limiting piece 142 is locked. The user can press the locking button 143 to compress the locking spring 145, and make one end or both ends of the limiting rod 144 return to the arc-shaped slot portion 147, so as to release the rotation locking of the limiting rod 144.

[0056] In the transportation process of the transport cart, the two third push rods 131 can be vertically placed, and the two third push rods 131 can be located below the two second push rods 121.

[0057] In a possible embodiment, the storage part 2 includes a placing rod group 21. Both ends of the placing rod group 21 are rotationally connected with the two third push rods 131 respectively. The placing rod group 21 can include a first placing rod 211 and at least one second placing rod 212. The first placing rod 211 can be a "U"-shaped rod, and the first placing rod 211 can include a bottom rod portion and two side rod portions. Each second placing rod 212 can be a straight rod, and each second placing rod 212 can be fixedly connected with the two sides of the first placing rod 211.

[0058] In the folding or unfolding process of the transport cart, the placing rod group 21 can rotate relative to the two third push rods 131 between a third rotation angle and a fourth rotation angle. When the placing rod group 21 rotates relative to the two third push rods 131 to the third rotation angle, the first placing rod 211 in the placing rod group 21 can be parallel to the third push rod 131, which corresponds to the folded state of the transport cart. When the placing rod group 21 rotates relative to the two third push rods 131 to the fourth rotation angle, the first placing rod 211 in the placing rod group 21 can be perpendicular to the third push rod 131, which corresponds to the unfolded state of the transport cart. Therefore, in the use process of the transport cart, the unfolding and folding of the storage part 2 can also be realized, thereby further improving the storage capacity of the transport cart.

[0059] In a possible embodiment, the storage part 2 comprises a support rod set 22, which can comprise a first support rod 221. The first support rod 221 can be rotationally connected with the placing rod set 21. When the first placing rod 211 is parallel to the third pushing rod 131, the first support rod 221 can be rotated to a state parallel to the first placing rod 211, so as to realize the storage of the first support rod 221. When the first placing rod 211 is perpendicular to the third pushing rod 131, the first support rod 221 can be rotated to a state perpendicular to the first placing rod 211, and the first support rod 221 is located below the first placing rod 211, so as to realize the unfolding of the first support rod 221.

[0060] In the transportation process of the transport vehicle, the placing rod set 21 is used to place the object to be transported, the first support rod 221 is rotated to below the placing rod set 21, and the first support rod 221 can be perpendicular to the placing rod set 21 and in contact with the ground, so as to support the placing rod set 21.

[0061] In a possible embodiment, the first support rod 221 is a "U"-shaped rod structure. The "U"-shaped rod structure can be divided into a bottom rod part and two side rod parts, and the bottom rod part of the "U"-shaped rod structure can be used to contact the ground. When the "U"-shaped rod structure is used as the first support rod 221, the support of the first support rod 221 on the placing rod set 21 is more stable.

[0062] In a possible embodiment, the support rod set 22 comprises two second support rods 222 corresponding to the two third pushing rods 131 and two connecting pieces 223 corresponding to the two third pushing rods 131.

[0063] One end of each connecting piece 223 is rotationally connected with the placing rod set 21, and the other end of each connecting piece 223 is rotationally connected with the second support rod 222 corresponding to each connecting piece 223. The other end of each connecting piece 223 can be fixedly connected or detachably connected with the first support rod 221, and the first support rod 221 and the connecting piece 223 can be synchronously rotated when the first support rod 221 is connected with the connecting piece 223.

[0064] In the use process of the transport vehicle, each second support rod 222 supports the placing rod set 21 by supporting the connecting piece 223 corresponding to each second support rod 222, so that the placing rod set 21 reaches a downward limit rotation position in a horizontal or nearly horizontal position, and at this time, the first support rod 221 can be vertically or nearly vertically located below the placing rod set 21, so that when the operator needs to temporarily leave the transport vehicle, the connecting piece 223 and the placing rod set 21 can be supported by the first support rod 221.

[0065] In a possible embodiment, the transport vehicle comprises a wheel set 3 rotatably arranged at the bottom of the third push rod set 13. The wheel set 3 can comprise two wheels 31 corresponding to the two third push rods 131, the two wheels 31 can be symmetrically arranged on the two third push rods 131, and each wheel 31 is rotatably connected with the third push rod 131 corresponding to the wheel 31.

[0066] It should be noted that the above-mentioned sequence of the embodiments of the present application is only for description, and does not represent the advantages and disadvantages of the embodiments. The above describes specific embodiments of the present application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims can be performed in an order different from the order in the embodiments and still achieve the desired result. In addition, the processes depicted in the accompanying drawings do not necessarily require the specific order or sequential order shown to achieve the desired results. In some embodiments, multi-task processing and parallel processing are possible or can be advantageous.

[0067] Each of the embodiments in the specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other. Each embodiment focuses on the difference from other embodiments. In particular, for the device embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can be referred to the part of the method embodiments.

Claims

1. A transport vehicle, characterized in that The push rod assembly and the storage part are connected; The push rod assembly and the storage part are connected; The push rod assembly includes a first push rod group, a second push rod group and a third push rod group; the first push rod group and the second push rod group are coaxially arranged, and the first push rod group and the second push rod group jointly constitute an extension rod group; the second push rod group and the third push rod group are rotationally connected; During the folding or opening of the transport vehicle, the first push rod group can be fed along the axial direction of the second push rod group, and the second push rod group can be rotated relative to the third push rod group between a first rotation angle and a second rotation angle.

2. The transport cart of claim 1, wherein, The first push rod group includes two first push rods arranged in parallel; the second push rod group includes two second push rods corresponding to the two first push rods one by one; Each first push rod is slidingly arranged inside the second push rod corresponding to the first push rod; the first push rod can be fed along the axial direction of the second push rod corresponding to the first push rod.

3. The transport cart of claim 2, wherein, The first push rod group includes a first connecting rod; The two ends of the first connecting rod are fixedly connected with the top ends of the two first push rods respectively; the first connecting rod and the two first push rods jointly constitute a "U" type rod structure.

4. The transport cart of claim 2, wherein, The second push rod group includes a second connecting rod; The two ends of the second connecting rod are fixedly connected with the two second push rods respectively.

5. The transport cart of claim 2, wherein, The third push rod group includes two third push rods corresponding to the two second push rods one by one; Each third push rod is rotationally connected with the second push rod corresponding to the third push rod through a locking structure.

6. The transport cart of claim 5, wherein, The storage part includes a placement rod group; The two ends of the placement rod group are rotationally connected with the two third push rods respectively; during the folding or opening of the transport vehicle, the placement rod group can be rotated relative to the two third push rods between a third rotation angle and a fourth rotation angle.

7. The transport cart of claim 6, wherein, The storage part includes a support rod group; the support rod group includes a first support rod; The first support rod is rotationally connected with the placement rod group; During the transportation of the transport vehicle, the placement rod group is used to place the objects to be transported; the first support rod is used to contact the ground, thereby supporting the placement rod group.

8. The transport cart of claim 7, wherein, The first support rod is a "U" type rod structure.

9. The transport cart of claim 7, wherein, The support rod group includes two second support rods corresponding to the two third push rods one by one and two connecting pieces corresponding to the two third push rods one by one; One end of each connecting piece is rotationally connected with the placement rod group, and the other end of the connecting piece is rotationally connected with the second support rod corresponding to the connecting piece; During the use of the transport vehicle, each second support rod supports the placement rod group by supporting the connecting piece corresponding to the second support rod, so that the placement rod group reaches a downward limit rotation position in a horizontal or nearly horizontal position.

10. The transport cart of claim 1, wherein, The transport vehicle includes a wheel group; The wheel group is rotationally arranged at the bottom of the third push rod group.

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