CN112078638A

CN112078638A - Foldable article carrying trolley

Info

Publication number: CN112078638A
Application number: CN202010954151.6A
Authority: CN
Inventors: 邓皓羽; 成先明; 张泓池
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-12-15
Anticipated expiration: 2040-09-11
Also published as: CN112078638B

Abstract

The invention relates to the technical field of carrying trolleys, in particular to a folding type article carrying trolley, which comprises: the base comprises a main body and universal wheels, and the universal wheels are arranged at the bottom of the main body; the telescopic rod body comprises a plurality of sections which are coaxially sleeved with the inner and outer telescopic rods in a telescopic way, and the diameter of each section is gradually reduced from the outside to the inside; the bottom of the outermost section of the telescopic rod body is connected with the top of the main body through a universal joint. In the using process, the base provides a moving support position relative to the ground, the telescopic rod body is pulled out to a position which is highly adaptive to the human body, the telescopic rod body can rotate 360 degrees relative to the base through the arrangement of the universal joint, for the carrying of the object, the object can be firstly loaded through any bag body structure with the lifting ring, then the lifting ring is sleeved outside the telescopic rod body, and the lifting ring is limited through the step between any two sections, so that the object can be fixed, and the carrying is realized.

Description

Foldable article carrying trolley

Technical Field

The invention relates to the technical field of carrying trolleys, in particular to a folding type article carrying trolley.

Background

With the rapid development of the logistics industry, the average express delivery number of families in daily life increases year by year, and the problem that the number of articles is large and the articles are difficult to carry in the transferring process from a quick delivery cabinet to home may exist; in addition, in daily life, many article carrying occasions occur in shopping malls, market shopping and the like; under the condition of not assisting by foreign objects, the physical consumption is increased to a great extent only by the modes of carrying by hand or manually, and the like, and troubles are brought to daily life.

In view of the above-mentioned existing defects, the inventor of the present invention has made extensive practical experience and professional knowledge for many years in designing and manufacturing such products, and has actively studied and innovated in cooperation with the application of the theory, in order to create a foldable article carrying cart, which is more practical.

Disclosure of Invention

The invention provides a folding type article carrying trolley, which effectively solves the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a foldable article handling cart, comprising:

the base comprises a main body and universal wheels, and the universal wheels are mounted at the bottom of the main body;

the telescopic rod body comprises a plurality of sections which are coaxially sleeved with the inner and outer telescopic rods in a telescopic way, and the diameter of each section is gradually reduced from the outside to the inside;

the bottom of the outermost section of the telescopic rod body is connected with the top of the main body through a universal joint.

The telescopic rod further comprises a supporting structure, wherein the supporting structure comprises a sliding ring and at least two supporting units which are uniformly distributed in a set angle range around the periphery of the telescopic rod body, and each supporting unit comprises a first rotating arm and a second rotating arm;

one end of the first rotating arm is rotatably connected with the main body, the other end of the first rotating arm is rotatably connected with the second rotating arm, and the other end of the second rotating arm is connected with the sliding ring;

the periphery of the main body and the periphery of the outermost section are of cylindrical structures with equal diameters, when the axes of the main body and the outermost section are overlapped, the sliding ring slides along the axes of the main body and the outermost section, when the sliding ring slides to an upper limit position on the telescopic rod body, the supporting structure forms a storage state, and when the sliding ring slides to a lower limit position on the main body, the supporting structure forms a supporting state.

Furthermore, the outer side of the main body and the first rotating arm are provided with sliding groove structures in a one-to-one correspondence mode, sliding blocks are arranged in the sliding groove structures, lug plates are arranged on the sliding blocks, the lug plates are rotatably connected with one ends of the first rotating arms, and the sliding blocks are fixed in the sliding groove structures through connecting pieces.

Furthermore, grooves extend towards two sides of the sliding groove, bulges are correspondingly arranged on two sides of the sliding block and the grooves, and the bulges move along the grooves to achieve guiding of the sliding block.

Further, the connecting piece with be located threaded hole on the slider passes through threaded connection, just the axis of connecting piece is followed the radial setting of main part realizes through the extrusion to spout structure inner wall the slider is fixed.

Further, a limiting plate is arranged at the bottom of the lug plate and used for limiting the first rotating arm.

Further, correspond every first rotation arm is provided with two otic placodes, first rotation arm clamp is established two between the otic placode, the limiting plate connects two the otic placode bottom.

Furthermore, the supporting unit further comprises a supporting wheel, the supporting wheel comprises a wheel body and an annular supporting frame, the wheel body is rotatably connected with one side of the annular supporting frame, a guide groove is formed in the first rotating arm, and the other side of the annular supporting frame penetrates through the guide groove;

the inner wall of the guide groove is provided with a notch, and the annular support frame is clamped in the notch to fix the annular support frame and the wheel body.

Further, the notch inner wall is provided with the magnetic layer, and is right the annular support frame adsorbs.

Furthermore, the slip ring is provided with an opening end, two sides of the opening end are provided with connecting plates, and the two connecting plates are connected through bolts.

Through the technical scheme of the invention, the following technical effects can be realized:

in the using process, the base provides a moving support position relative to the ground, the telescopic rod body is pulled out to a position which is highly adaptive to the human body, the telescopic rod body can rotate 360 degrees relative to the base through the arrangement of the universal joint, for the carrying of the object, the object can be firstly loaded through any bag body structure with the lifting ring, then the lifting ring is sleeved outside the telescopic rod body, and the lifting ring is limited through the step between any two sections, so that the object can be fixed, and the carrying is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view (including a partial enlargement) of a foldable article-carrying cart;

FIG. 2 is a schematic view of the use of the foldable article handling cart (including partial enlargement);

FIG. 3 is a schematic view of the structure and installation of the support structure;

FIG. 4 is an enlarged view of the bottom of FIG. 3;

FIG. 5 is a diagram showing a comparison between the storage state and the support state of the support structure;

FIG. 6 is an enlarged view of the support structure in the support position;

FIG. 7 is an enlarged view of a portion of FIG. 4 at A;

FIG. 8 is an enlarged view of a portion of FIG. 3 at B;

FIG. 9 is a schematic view of the structure and installation of the support wheel;

FIG. 10 is a schematic view (including a partial enlargement) of the structure of FIG. 2 at another angle;

reference numerals: 1. a base; 11. a main body; 111. a chute structure; 112. a slider; 113. an ear plate; 114. a connecting member; 115. a limiting plate; 12. a universal wheel; 2. a telescopic rod body; 21. an outermost section; 3. a bag structure 31, a lifting ring; 4. a support structure; 41. a first rotation arm; 411. a guide groove; 412. a notch; 42. a second rotating arm; 43. a slip ring; 431. a connecting plate; 44. a support wheel; 441. a wheel body; 442. an annular support frame.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.

As shown in fig. 1, a foldable article-carrying cart includes: the base 1 comprises a main body 11 and a universal wheel 12, wherein the universal wheel 12 is arranged at the bottom of the main body 11; the telescopic rod body 2 comprises a plurality of sections which are coaxially sleeved with an inner section and an outer section in a telescopic way, and the diameter of each section is gradually reduced from the outside to the inside; the bottom of the outermost section 21 of the telescopic rod body 2 is connected with the top of the main body 11 through a universal joint.

As shown in fig. 1, in the using process, the base 1 provides a moving support position relative to the ground, the telescopic rod body 2 is pulled out to a position adaptive to the height of a human body, and the user who can adapt to different heights through different telescopic lengths can keep a comfortable using posture, wherein the arrangement of the universal joint can enable the telescopic rod body 2 to freely rotate 360 degrees relative to the base 1, and for the carrying of the object, the object can be firstly held through any bag body structure 3 with a lifting ring 31, as shown in fig. 2, then the lifting ring 31 is sleeved outside the telescopic rod body 2, and the lifting ring 31 is limited through a step between any two sections, so that the object can be fixed, and the carrying can be realized.

As a preference of the above embodiment, the foldable article-carrying trolley further comprises a support structure 4, the support structure 4 comprising a sliding ring 43 and at least two support units uniformly distributed around the periphery of the telescopic rod body 2 within a set angular range, said support units comprising a first swivel arm 41 and a second swivel arm 42; one end of the first rotating arm 41 is rotatably connected with the main body 11, the other end of the first rotating arm 41 is rotatably connected with the second rotating arm 42, and the other end of the second rotating arm 42 is connected with the sliding ring 43; the periphery of the main body 11 and the periphery of the outermost section 21 are cylindrical structures with equal diameters, when the axes of the two structures coincide, the sliding ring 43 slides along the axes of the two structures, when the sliding ring 43 slides on the telescopic rod body 2 to the upper limit position, the supporting structure 4 is in a storage state, and when the sliding ring 43 slides on the main body 11 to the lower limit position, the supporting structure 4 is in a supporting state.

As shown in fig. 3 to 5, the supporting structure 4 can support heavy articles, the bag structure 3 can be continuously adopted, the articles can be directly placed on the supporting surface formed by the supporting structures 4, and the simple binding with the wire body structure is feasible. Referring to fig. 5, showing a comparison between the two states of the supporting structure 4, namely, the storage state and the supporting state, the first rotating arm 41 and the second rotating arm 42 form a link structure, so that the states of different angles can be realized by the movement of the sliding ring 43, and when the article is in the carrying state, the sliding ring 43 is arranged on the periphery of the main body 11, and the rotation of the universal joint is not affected.

As shown in fig. 6, the angle of the support surface formed by each support structure 4 can be adjusted by changing the shape of the second rotating arm 42. In the present embodiment, three support structures 4 are provided, and the adjacent support structures 4 are arranged at 30 °, for example, other numbers and angles of the support structures 4 capable of achieving the object of the present invention are also within the protection scope of the present invention.

As shown in fig. 7, preferably, a sliding groove structure 111 is provided on the outer side of the main body 11 corresponding to the first rotating arm 41 one by one, a slider 112 is provided in the sliding groove structure 111, an ear plate 113 is provided on the slider 112, the ear plate 113 is rotatably connected to one end of the first rotating arm 41, and the slider 112 is fixed in the sliding groove structure 111 by a connecting member 114.

Through the improvement in the above preferred scheme, the processing difficulty of the main body 11 can be reduced, the rotating position of the first rotating arm 41 relative to the main body 11 can be adjusted, the adjusting process is more convenient, and only the position of the sliding block 112 in the sliding groove structure 111 needs to be adjusted. The two sides of the sliding groove structure 111 extend to form grooves, the two sides of the sliding block 112 are provided with protrusions corresponding to the grooves, and the protrusions move along the grooves to achieve guiding of the sliding block 112, so that straightness of the sliding block 112 in the sliding process is effectively guaranteed, and installation difficulty is reduced.

Preferably, the connecting member 114 is screwed into a threaded hole on the sliding block 112, and the axis of the connecting member 114 is arranged along the radial direction of the main body 11, so that the sliding block 112 is fixed by pressing the inner wall of the sliding groove structure 111. During installation, a common bolt structure can be selected for the connecting piece 114, after the sliding block 112 is placed in the sliding groove structure 111, the upper position and the lower position of the sliding block are adjusted, when the position requirement is met, the connecting piece 114 is screwed in, and the friction force of the protrusion on the groove can be increased through extrusion of the connecting piece 114 on the inner wall of the sliding groove structure 111, so that the sliding block 112 is fixed.

As shown in fig. 8, a limiting plate 115 is disposed at the bottom of the ear plate 113 and is used for limiting the position of the first rotating arm 41, so that in the supporting process, the stability of the position of the first rotating arm 41 is ensured, the limiting plate 115 effectively supports the first rotating arm 41, and the service life of the whole carrying trolley is ensured. Preferably, in the present embodiment, two ear plates 113 are provided corresponding to each first rotating arm 41, the first rotating arm 41 is sandwiched between the two ear plates 113, and the limiting plate 115 is connected to the bottoms of the two ear plates 113, so that a stable structural form can be obtained.

As shown in fig. 9, the supporting unit further includes a supporting wheel 44, the supporting wheel 44 includes a wheel body 441 and a circular supporting frame 442, the wheel body 441 is rotatably connected to one side of the circular supporting frame 442, the first rotating arm 41 is provided with a guiding slot 411, and the other side of the circular supporting frame 442 penetrates through the guiding slot 411; the inner wall of the guide slot 411 is provided with a notch 412, and the annular support frame 442 is clamped in the notch 412 to fix itself and the wheel body 441.

Referring to fig. 5, in the carrying cart with the left side in the storage state, the annular supporting frame 442 is released from the fixed relationship with the notch 412, and naturally falls down through the guide slot 411, so that the coverage area is effectively reduced, and the space is saved, and when the supporting wheels 44 need to be used, the annular supporting frame 442 only needs to be clamped into the notch 412 by moving the supporting frame to the position of the notch 412 along the guide slot 411, wherein the direction of the notch 412 can determine the direction of the final annular supporting frame 442, and of course, the connection is not firm, but because the force applied to the supporting unit is downward in the using process, the annular supporting frame 442 can be ensured to be pressed in the notch 412. In order to improve the stability, can be provided with the magnetic layer at notch 412 inner wall, adsorb the annular support frame, the adsorption of magnetic layer can improve the stability in annular support frame position, nevertheless can not obstruct its and accomodate.

Preferably, the sliding ring 43 has an open end, the two sides of the open end are provided with the connecting plates 431, and the two connecting plates 431 are connected through bolts, so that the diameter of the sliding ring 43 can be adjusted, and the smoothness of sliding and the firmness of position fixing can be ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A foldable article handling cart, comprising:

2. The foldable article handling cart of claim 1, further comprising a support structure comprising a slip ring and at least two support units evenly distributed around the periphery of said telescoping mast within a set angular range, said support units comprising a first swivel arm and a second swivel arm;

3. The foldable goods handling cart of claim 2, wherein a sliding slot structure is provided on the outer side of the main body in one-to-one correspondence with the first rotatable arm, a sliding block is provided in the sliding slot structure, an ear plate is provided on the sliding block, the ear plate is rotatably connected to one end of the first rotatable arm, and the sliding block is fixed in the sliding slot structure through a connecting member.

4. The foldable object carrying cart of claim 3, wherein said sliding channel has a groove extending laterally from both sides thereof, and said slider has a protrusion disposed on both sides thereof corresponding to said groove, said protrusion moving along said groove to guide the slider.

5. The foldable object carrying cart of claim 4, wherein said connector is threadably engaged with a threaded hole in said slider, and wherein said connector has an axis disposed radially of said body, whereby said slider is secured by compression against an inner wall of said chute structure.

6. The foldable article handling cart of claim 3, wherein a stop plate is provided at a bottom of the ear panels for limiting the first pivot arm.

7. The foldable article handling cart of claim 6, wherein two ear panels are provided for each of said first pivot arms, said first pivot arm being sandwiched between said two ear panels, said restraining plate connecting the bottom of said two ear panels.

8. The foldable article handling cart of claim 2, wherein the support unit further comprises a support wheel, the support wheel comprising a wheel body and a ring support, the wheel body being rotatably connected to one side of the ring support, the first rotatable arm having a guide slot, the other side of the ring support extending through the guide slot;

9. The foldable article handling cart of claim 8, wherein said inner walls of said notches are provided with magnetic layers for attracting said loop holders.

10. The foldable article handling cart of claim 2, wherein said slip has an open end flanked by connecting plates, said connecting plates being bolted together.