Trolley

Abstract

The utility model provides a trolley which comprises a rack and wheels installed on the rack, each wheel comprises a connecting shaft, connecting pieces are welded to the two ends of each connecting shaft, arc-shaped groove bodies used for containing rack steel pipes are formed in the connecting pieces, and the outer walls of rack connecting rods abut against the inner walls of the arc-shaped groove bodies; threaded holes are formed in the arc-shaped groove body and the rack steel pipe, and fastening bolts are connected into the threaded holes in a threaded mode. The integral structure is simple, the connecting piece is additionally arranged, and the connecting piece and the wheel are integrally arranged, so that the wheel is convenient to disassemble and transport. Later maintenance and replacement of the wheels are facilitated, and convenience is improved for users.

Description

Technical Field

[0001] The utility model belongs to the technical field of trolleys, and in particular relates to a trolley. Background Art

[0002] Hand trucks are relatively inexpensive, simple to maintain, easy to operate, and can work in environments where vehicles are inconvenient to use.

[0003] A trolley consists of a frame to support the entire structure, wheels for movement, a compartment to place items, and handles for pushing and pulling the trolley.

[0004] To improve the stability and durability of handcarts, wheels are often tightly mounted on the frame to ensure balance and safety when transporting heavy objects. However, if a wheel fails during use, the difficulty of removing it increases the difficulty of repairing or replacing it. Furthermore, when used over long distances that are difficult to reach on foot, handcarts that are difficult to remove require more space for transport and may even be difficult to transport.

[0005] In view of this, how to solve the defects in the above technical solutions has become one of the problems to be solved urgently in the field of trolley technology. Utility Model Content

[0006] In view of the problems existing in the background technology, the present invention provides a trolley, comprising:

[0007] frame;

[0008] wheels mounted on the frame, and

[0009] The wheel includes a connecting shaft, and

[0010] The two ends of the connecting shaft are welded with connecting pieces, and

[0011] The connecting piece is provided with an arc-shaped groove for placing the frame steel pipe, and

[0012] The outer wall of the frame connecting rod conflicts with the inner wall of the arc-shaped slot;

[0013] The arc-shaped trough and the frame steel pipe are both provided with threaded holes, and

[0014] The threaded hole is internally threaded with a fastening bolt.

[0015] Optionally, at least one set of connecting plates is installed on the wheel hub frame, and

[0016] The connecting plate is made of stainless steel plate bent into an arc-shaped plate, and

[0017] The connecting plates are evenly distributed around its circumference.

[0018] Optionally, a trolley comprising:

[0019] trolley;

[0020] Material storage units placed on racks;

[0021] A support leg is provided on the frame for supporting the overall balance of the trolley when the trolley is lowered;

[0022] A fastening connector is used to connect the material storage unit, the frame and the support legs.

[0023] Optionally, positioning holes are provided on the rack and the material storage unit.

[0024] Optionally, the support legs are made of stainless steel plates that are bent multiple times, and

[0025] The support leg transverse bracket is provided with a slot, and

[0026] The trough is arranged in an arc shape, and

[0027] The outer wall of the frame is in conflict with the outer wall of the frame.

[0028] Optionally, a rotation guide hole is provided on the support leg, and

[0029] The inner wall of the rotation guide hole is provided with a protrusion, and

[0030] A spiral groove is provided in the rotation guide hole near the protrusion;

[0031] A locking groove is provided on the protrusion near the spiral groove.

[0032] Optionally, the fastening connector includes a mounting surface,

[0033] The mounting surface is provided with a crimping end portion, and

[0034] A clamp is provided on the outer wall of the crimping end portion, and

[0035] A locking card is provided on the mounting surface near the card position.

[0036] Optionally, when the fastening connector extends into the rotation guide hole,

[0037] Make one end of the clamping piece set at the crimping end along

[0038] The arc-shaped end portion provided in the rotation guide hole slides,

[0039] The card is inserted into the spiral groove for a snap connection, and

[0040] The locking card automatically snaps into the locking slot to perform a snap connection.

[0041] In summary, the beneficial effects of the present invention are:

[0042] (1) The overall structure of the present invention is simple. By adding a connecting piece, the connecting piece and the wheel are integrated, making the wheel easy to disassemble and transport. This facilitates the maintenance and replacement of the wheel in the future, and improves the convenience of the user.

[0043] (2) The utility model can realize the disassembly between the material storage part, the frame and the support legs by disassembling the fastening connecting parts, thereby making it easier to transport. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 This is a schematic diagram of the overall structure of an embodiment of a trolley of the present utility model;

[0045] Figure 2 This is a schematic diagram of the wheel structure of an embodiment of a hand trolley of the present utility model;

[0046] Figure 3 This is a schematic diagram of the connecting member structure of an embodiment of a trolley of the present utility model;

[0047] Figure 4 This is an assembly diagram of a frame and support legs of an embodiment of a hand trolley of the present utility model;

[0048] Figure 5 This is a schematic diagram of the support leg structure of an embodiment of a trolley of the present utility model;

[0049] Figure 6 This is an enlarged view of the rotational guide hole of an embodiment of a trolley of the present utility model;

[0050] Figure 7 The figure is a schematic diagram of the fastening connector structure of a trolley according to an embodiment of the present invention.

[0051] Reference numerals:

[0052] 100. Trolley;

[0053] 10. Handle;

[0054] 20. Material storage parts;

[0055] 30. Wheel; 301. Fastening bolt; 302. Connecting shaft; 303. Connecting plate;

[0056] 40. Rack;

[0057] 50. Connector; 501. Arc-shaped trough;

[0058] 60, support leg; 601, slot; 602, rotation guide hole; 6021, locking slot; 6022, protrusion; 6023, spiral groove; 6024, arc-shaped end;

[0059] 70. Fastening connector; 701. Mounting surface; 702. Clamp; 703. Locking clamp; 704. Crimping end. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical solutions, and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. Although exemplary embodiments are disclosed in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to facilitate a more thorough understanding of the present invention and to fully convey the concept of the present invention to those skilled in the art.

[0061] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and features of different embodiments or examples, unless they are contradictory.

[0062] In this utility model, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "plurality" refers to two or more, unless expressly limited otherwise. Terms such as "installed," "connected," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean fixed, removable, or integral; "connected" can mean directly or indirectly through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0063] The wheels used in the utility model are mainly used in agricultural carts.

[0064] like Figures 1 to 7 As shown, this embodiment provides a trolley, comprising a frame 40 and wheels 30 mounted on the frame 40, wherein the wheels 30 and the frame 40 are detachably connected;

[0065] The wheel 30 includes a connecting shaft 302, and connecting pieces 50 are welded at both ends of the connecting shaft 302. The connecting piece 50 is provided with an arcuate groove 501 for placing the steel pipe of the frame 40, and the outer wall of the connecting rod of the frame 50 conflicts with the inner wall of the arcuate groove 501.

[0066] Furthermore, threaded holes are provided on the arc-shaped trough 501 and the steel pipe of the frame 40, and the threaded holes are threadedly connected with fastening bolts 301.

[0067] The utility model has a simple overall structure, and by adding a connecting member 50, the connecting member 50 is integrated with the wheel, thereby making the wheel easy to disassemble and transport, facilitating the subsequent maintenance and replacement of the wheel, and improving user convenience.

[0068] Furthermore, at least one set of connecting plates 303 is fixedly mounted on the hub frame of the wheel 30 by fastening screws, and the connecting plates 303 are made of stainless steel plates bent into arc-shaped plates, and the connecting plates 303 are evenly distributed around the circumference.

[0069] In this embodiment, when the wheel is used in a relatively harsh environment, when mud or weeds are thrown onto the connecting plate of the wheel, the arc-shaped connecting plate will block the mud or weeds, thereby reducing the probability of mud and debris gathering between the wheel and the hub frame, thereby ensuring the smooth operation of the wheel.

[0070] The existing trolley includes a frame for supporting the entire structure, wheels for moving, a compartment for placing items, and a handle for pushing and pulling the trolley.

[0071] The existing trolley is made of stainless steel pipes. In practical applications, especially when used in long-distance and difficult-to-reach environments, the trolley requires more space for transportation and even has the disadvantage of being difficult to transport. In order to solve the above technical problems, please refer to Figure 1 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown, it includes a trolley 100 and a material storage unit 20 placed on a frame 40. The frame 40 is provided with support legs 60 for supporting the overall balance of the trolley 100 when the trolley is lowered; and the material storage unit 20 is fixedly connected to the frame 40 and the support legs 60 using fastening connectors 70.

[0072] In this embodiment, the material storage unit 20, the frame 40 and the supporting legs can be disassembled by disassembling the fastening connector 70, thereby making it easier to transport.

[0073] Furthermore, positioning holes are provided on the frame 40 and the material storage unit 20 .

[0074] Furthermore, the support leg 60 is made of stainless steel plate after multiple bending, and a groove 601 is provided on the horizontal bracket of the support leg 60. The groove 601 is arranged in an arc shape and conflicts with the outer wall of the frame 40, so that the steel pipe of the frame 40 is placed in the groove 601 and clamped, thereby realizing the connection between the frame and the support leg.

[0075] In actual application, only using the trough to clamp the 40 steel pipe of the rack has poor stability and the supporting legs are prone to falling off. In order to solve the above technical problems, please refer to Figures 4 to 7 As shown, a rotation guide hole 602 is provided on the support leg 60. When the support leg 60, the frame 40 and the material storage part 20 need to be installed, the fastening connector 70 is passed through the positioning holes of the material storage part 20 and the frame 40 from top to bottom in sequence, and the fastening connector 70 is held so that the fastening connector is moved axially until the fastening connector 70 is pushed into the rotation guide hole 602, and the crimping end 704 provided on the mounting surface 701 of the fastening connector 70 is extended into the rotation guide hole 602; the clamping part 702 provided on the crimping end 704 is automatically clamped into the spiral groove 6023 provided in the rotation guide hole 602 for engagement.

[0076] Furthermore, when the clamping member 702 provided on the fastening connector 70 extends into the rotation guide hole 602, one end of the clamping member 702 slides along the arc-shaped end portion 6024 provided on the rotation guide hole 602, so as to move the locking clamping member 703 provided on the clamping member 702 toward the locking groove 6021 provided in the rotation guide hole 602, until the locking clamping member 703 extends into the locking groove 6021 and engages.

[0077] In this embodiment, when the crimping end 704 is fully extended into the rotation guide hole 602, the clip set on the crimping end 704 is automatically snapped into the spiral groove 6023, and the locking clip 703 is automatically snapped into the locking groove body 6021 to perform a snap connection, thereby realizing the installation between the material storage part 20, the support leg and the frame.

[0078] Furthermore, a handle 10 for holding is provided on the frame 40 at one end away from the wheel 30 .

[0079] The use process and working principle of this utility model:

[0080] When the trolley is disassembled and transported to a working environment, the trolley is assembled. First, the fastening connector 70 is grasped to move the fastening connector 70 in the axial direction until the fastening connector 70 is pushed into the rotation guide hole 602, and the crimping end 704 provided on the mounting surface 701 of the fastening connector 70 is inserted into the rotation guide hole 602. When the crimping end 704 is fully inserted into the rotation guide hole 602, the clamping piece provided on the crimping end 704 is automatically inserted into the spiral groove 6023, and the locking clamping piece 703 is automatically inserted into the locking groove body 6021, and the material storage unit 20, the support leg and the frame are assembled.

[0081] Then place the steel pipe of the frame 40 in the arc-shaped trough 501, and then pass the fastening bolts 301 from top to bottom through the threaded holes set on the frame steel pipe and the arc-shaped trough 501 for threaded connection, thereby realizing the connection between the wheel and the frame.

[0082] Finally, it should be noted that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to be limiting. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that modifications or equivalent substitutions to the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention and are intended to be encompassed by the claims of the present invention.

Claims

1. A trolley, characterized in that: include: frame; Frame connecting rod; The wheels are mounted on the frame. The wheel includes a connecting shaft, and Connecting pieces are welded at both ends of the connecting shaft, and an arc-shaped groove body is opened on the connecting piece for placing the frame steel pipe, and the outer wall of the frame connecting rod is in conflict with the inner wall of the arc-shaped groove body; Threaded holes are provided on the arc-shaped trough body and the frame steel pipe, and the threaded holes are internally threadedly connected with fastening bolts.

2. A trolley according to claim 1, characterized in that: At least one set of connecting plates is installed on the wheel hub frame, and the connecting plates are made of stainless steel plates bent into arc-shaped plates, and the connecting plates are evenly distributed around the circumference.

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