Foldable multifunctional carriage

Abstract

The utility model discloses a foldable multifunctional carriage, relates to the technical field of carriages, and aims to solve the problem that in the prior art, an expandable carriage side door cannot be combined with a bottom plate to form a plane after being unfolded, and articles cannot be prevented from slipping off. The inhaul cable mechanism comprises a double-line inhaul cable, a second clamping connector is arranged at the end of the double-line inhaul cable, a first clamping connector is arranged in the middle of the double-line inhaul cable, a movable supporting mechanism is arranged on the portion, below the rear plate, of the bottom plate and comprises a fixing frame, a rotating seat is arranged on the fixing frame, a movable supporting pipe is rotationally connected to the rotating seat, and a tension spring is arranged between the movable supporting pipe and the fixing frame. The use area of the carriage can be effectively expanded through the movable supporting mechanism and the inhaul cable mechanism, the side high fences are used for limiting and shielding, goods are prevented from slipping off, the foldable carriage is folded to the bottom of a vehicle when not used through the design of the movable supporting mechanism and folding, the maximum width of the vehicle cannot be affected, and therefore potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of carriages, in particular to a foldable multifunctional carriage. Background Art

[0002] Some tricycles can open the left and right rear side panels for loading. However, many vendors need to display goods, and they stack the goods after fixing the side panels manually. The side doors of existing expandable carriages cannot form a plane with the bottom plate after they are unfolded, and the rear door and the bottom plate do not form a plane. At the same time, there is no effective limit after the side high rails are unfolded, which cannot prevent the items from sliding off. In actual use, the goods are prone to falling off. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a foldable multifunctional carriage, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a foldable multifunctional carriage, which adopts a technical solution comprising a bottom plate, a carriage front door, side plates and a rear plate. The front of the bottom plate is fixedly connected to the front door of the carriage, and the side panels are detachably connected to the bottom plates on both sides of the front door of the carriage through hinges. The rear panel is hingedly connected to the bottom plate at the relative position of the front door of the carriage through the hinges, and side high rails are hingedly connected to the two side plates. The rear panel and the side panels are connected by bolts, and a cable mechanism is provided between the side high rails and the front door of the carriage. The cable mechanism includes a double-line cable, a second clamping joint is provided at the end of the double-line cable, and a first clamping joint is provided in the middle of the double-line cable. When the side panels are laid flat, the cable mechanism has a pulling effect on the side panels, and a movable support mechanism is provided on the bottom plate below the rear panel, and the movable support mechanism includes a fixed frame, a rotating seat is provided on the fixed frame, and a movable support pipe is rotatably connected to the rotating seat. A tension spring is provided between the movable support pipe and the fixed frame, and the movable support mechanism is used to support the bottom of the side panel.

[0005] As a preferred technical solution of the utility model, there are buckles on both sides of the front door of the carriage, and the side panels and the side high rails are connected to the front door of the carriage through the buckles, and the buckles are used to lock or release the side panels and the side high rails.

[0006] As a preferred technical solution of the utility model, the cable mechanism includes a first fixed seat, the first fixed seat is rotatably connected to a crank arm, the crank arm is connected to a double-line cable, a second fixed seat is provided on the front door of the carriage, the other end of the double-line cable is connected to the second fixed seat, and the crank arm is used to concentrate the force of the double-line cable more perpendicular to the horizontal plane, so as to better pull up the side high railing and avoid wear.

[0007] As a preferred technical solution of the utility model, the movable support mechanism is connected to the base plate through the fixing frame, and a buffer rubber pad is provided on the top of the movable support tube, and the buffer rubber pad plays a role in supporting and buffering the rear plate and the side plate.

[0008] As a preferred technical solution of the utility model, the rotating seat is mirror-imaged on the fixed frame, and a limiting mechanism is provided on the fixed frame. The limiting mechanism limits the rotation angle of the movable support tube so that the movable support tube can only rotate 90 degrees relative to the fixed frame, thereby achieving a folding effect.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: compared with conventional carriages, the utility model can effectively expand the use area of ​​the carriage through the movable supporting mechanism and the cable mechanism, and has side high railings to limit and shield, so that the carriage can be used to transport or display goods and prevent the goods from slipping, and the side doors of the carriage can be laid flat, the side high railings can be vertical, and the side high railings can be laid flat, which is suitable for a variety of application scenarios. Through the movable supporting mechanism and the folding design, it can be folded to the bottom of the vehicle when not in use, which will not affect the maximum width of the vehicle, thereby reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the initial state structure of the utility model;

[0011] Figure 2 This is an enlarged view of the structure A of the utility model;

[0012] Figure 3 This is a schematic diagram of the structure of the utility model in the expanded state Figure 1 ;

[0013] Figure 4 This is an enlarged view of structure B of the utility model;

[0014] Figure 5 This is a schematic diagram of the structure of the utility model in the expanded state Figure 2 ;

[0015] Figure 6 This is a schematic diagram of the double-line cable structure of the utility model;

[0016] Figure 7 It is a schematic diagram of the structure of the movable support mechanism of the utility model.

[0017] In the figure: 1. bottom plate; 2. front door of the carriage; 3. side plate; 4. rear plate; 5. side high rail; 6. movable supporting mechanism; 601. fixed frame; 602. movable supporting pipe; 603. tension spring; 604. buffer rubber pad; 605. rotating seat; 7. cable mechanism; 701. second fixed seat; 702. double-line cable; 7021. first clamping joint; 7022. second clamping joint; 703. first fixed seat; 704. curved arm; 8. buckle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0019] like Figures 1 to 7 As shown, the utility model discloses a foldable multifunctional carriage, which adopts the technical scheme of comprising a bottom plate 1, a carriage front door 2, side plates 3 and a rear plate 4, the carriage front door 2 is fixed to the bottom plate 1, the side plates 3 are hingedly connected to the bottom plate 1 at both sides by hinges, the rear plate 4 is hingedly connected to the bottom plate 1 at a relative position of the carriage front door 2, the side plates 3 are hingedly connected to the side high rails 5 at the top, buckles 8 are provided on both sides of the carriage front door 2, the side plates 3 and the side high rails 5 are detachably connected to the carriage front door 2 through the buckles 8, the rear plate 4 is connected to the side plates 3 by latches, and the side high rails 5 are connected to the carriage front door 2 by pulling The cable mechanism 7 is connected, the cable mechanism 7 includes a double-line cable 702, the end of the double-line cable 702 is provided with a second clamping joint 7022, the middle of the double-line cable 702 is provided with a first clamping joint 7021, the cable mechanism 7 includes a first fixed seat 703, the first fixed seat 703 is fixed to the top of the side high rail 5, the first fixed seat 703 is rotatably connected to a crank arm 704, the crank arm 704 is connected to the double-line cable 702, a second fixed seat 701 is provided on the front door 2 of the carriage above the buckle 8, and the second clamping joint 7022 at the other end of the double-line cable 702 is connected to the second fixed seat 701.

[0020] As a preferred technical solution of the utility model, there is a movable support mechanism 6 on the bottom plate 1 below the rear plate 4, and the movable support mechanism 6 includes a fixed frame 601, and the fixed frame 601 connects the movable support mechanism 6 with the bottom plate 1. A rotating seat 605 is provided on the fixed frame 601, and the rotating seat 605 is mirror-set on the fixed frame 601. The rotating seat 605 is rotatably connected to the movable support tube 602, and a limiting mechanism is provided on the rotating seat 605. The limiting mechanism limits the rotation of the movable support tube 602, so that the movable support tube 602 can only rotate 90 degrees. Figure 2 and Figure 7 As shown, a tension spring 603 is provided between the movable support tube 602 and the fixing frame 601 , and a buffer rubber pad 604 is provided on the top of the movable support tube 602 .

[0021] The working principle of the utility model is as follows: Figure 1 As shown, this is the initial state, and the movable support mechanism 6 is in the closed state. Figure 2 As shown, when it is necessary to display goods, the movable support tube 602 of the movable support mechanism 6 is rotated 90 degrees, and the movable support mechanism 6 is in the open state as shown in FIG. Figure 7 As shown, the latch between the side panel 3 and the rear panel 4 is opened, and the rear panel 4 will be flipped outward to the cushioning rubber pad 604 at the top of the movable support tube 602. The buckle 8 is opened to separate the side panel 3 and the side high rail 5 from the front door 2 of the carriage and flip outward. One end of the side panel 3 will be flipped to the cushioning rubber pad 604 at the top of the movable support tube 602. The second clamping joint 7022 on the double-line cable 702 is hung on the second fixing seat 701 as shown in FIG. Figure 4 As shown, the side high rail 5 has a reverse pulling force, so that the carriage is in a fully flattened state. If there are too many goods to prevent them from accidentally falling, the first clamping joint 7021 is hung on the second fixing seat 701. At this time, because the double-line cable 702 is too short, the side high rail 5 will be pulled up, and the side high rail 5 will form a 90-degree angle with the side plate 3. Figure 5 As shown, the goods can be prevented from falling.

[0022] The mechanical connection involved in the present utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of tests, which belongs to common knowledge.

[0023] Components not described in detail herein are prior art.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foldable multifunctional carriage, comprising a bottom plate (1), a front door (2), side plates (3) and a rear plate (4), characterized in that: The front of the bottom plate (1) is fixedly connected to the front door (2) of the carriage; the sides of the bottom plate (1) are hinged to the side plates (3) via hinges; the bottom plate (1) at a position relative to the front door (2) of the carriage is hinged to a rear plate (4) via the hinges; the two side plates (3) are hinged to side high rails (5); a cable mechanism (7) is provided between the side high rails (5) and the front door (2); the cable mechanism (7) comprises a double-line cable (702); a second clamping joint (7022) is provided at the end of the double-line cable (702); A first clamping joint (7021) is provided in the middle of the double-line cable (702); the rear plate (4) and the side plate (3) are connected via a latch; a movable support mechanism (6) is provided on the bottom plate (1) below the rear plate (4); the movable support mechanism (6) comprises a fixed frame (601); a rotating seat (605) is provided on the fixed frame (601); a movable support tube (602) is rotatably connected to the rotating seat (605); and a tension spring (603) is provided between the movable support tube (602) and the fixed frame (601).

2. A foldable multifunctional carriage according to claim 1, characterized in that: Buckles (8) are provided on both sides of the carriage front door (2), and the side panels (3) and the side height rails (5) are connected to the carriage front door (2) via the buckles (8).

3. A foldable multifunctional carriage according to claim 1, characterized in that: The cable mechanism (7) comprises a first fixed seat (703), the first fixed seat (703) is rotatably connected to a crank arm (704), the crank arm (704) is connected to the double-line cable (702), a second fixed seat (701) is provided on the front door (2) of the carriage, and the second clamping joint (7022) at the other end of the double-line cable (702) is connected to the second fixed seat (701).

4. A foldable multifunctional carriage according to claim 1, characterized in that: The movable support mechanism (6) is connected to the bottom plate (1) via the fixing frame (601), and a buffer rubber pad (604) is provided on the top of the movable support tube (602).

5. A foldable multifunctional carriage according to claim 4, characterized in that: The rotating seat (605) is arranged in a mirror image on the fixing frame (601), and a limiting mechanism is provided on the fixing frame (601), wherein the limiting mechanism limits the rotation angle of the movable support tube (602).

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