Detachable electro-tricycle compartment tail door expansion structure

Abstract

The utility model relates to a detachable electro-tricycle compartment tail door expansion structure, which is characterized in that rear box side doors are respectively mounted on two sides of a rear box bottom plate through hinges or rotating shafts, a rear box tail door is mounted on the rear portion of the rear box bottom plate through hinges or rotating shafts, and an expansion structure body is fixedly mounted on the rear box tail door and the rear box side doors. The expanding structure body comprises a limiting pipe and edge expanding parts, the two symmetrically-arranged edge expanding parts are fixedly connected through a first connecting transverse pipe and a second connecting transverse pipe, and the connecting end of the first connecting transverse pipe is located on the rear edge of each edge expanding part. The diversified loading requirements of customers can be effectively met by hanging the expansion structure body on the carriage, and meanwhile, due to the fact that the device does not need to change an existing production line and is convenient to disassemble and assemble, the device can be popularized at extremely low price and is wide in application range.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of positive tricycle, concretely is detachable electric tricycle carriage tail door extension structure. BACKGROUND

[0002] The positive tricycle is a kind of vehicle with three wheels, is usually used to transport goods or personnel.The existing carriage length in market cannot be adjusted, cannot satisfy the diversified loading needs of customers.

[0003] At present, the utility model discloses a kind of three-wheeled vehicle carriage with carriage space extension function with patent announcement No.CN213292551U, including first carriage, second carriage and hand wheel, the side surface of first carriage is respectively fixedly provided with baffle and support plate, and baffle and support plate are all through the side surface of second carriage, the side inner surface of first carriage is penetrated by hand wheel, and the outer surface of hand wheel is penetrated by pull rod, the outer surface of pull rod is fixedly connected with return spring, and return spring is fixedly arranged on the outer surface of hand wheel, one end of pull rod is connected with connecting rod.The three-wheeled vehicle carriage with carriage space extension function, when lug is engaged in recess, hand wheel rotation will drive roller rotation, so that roller drives transmission gear rotation through gear chain and drives driven gear rotation, let driven gear drive fixed rod rotation, drive fixed rod and screw rotation, now screw and second carriage engage, let second carriage and first carriage separate, and expand through baffle and support rod.

[0004] From the above disclosed technical content, as prior art, the utility model with announcement No.CN213292551U realizes telescopic carriage through a series of transmission mechanisms, although it can satisfy the diversified loading needs of customers, but, due to its own structure is more, when producing, it is bound to bring the problem of cost rise. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the above prior art, the detachable electric tricycle carriage tail door extension structure can realize the expansion of the cargo box at a very low price, and can effectively meet the diversified loading needs of customers.

[0006] In order to achieve the above object, the utility model, detachable electric tricycle carriage tail door expansion structure, including expansion structure body, limit pipe, edge expansion part, connecting cross pipe one, connecting cross pipe two, limit angle iron, rear box tail door, rear box bottom plate and rear box side door, rear box bottom plate both sides are through the folder or pivot installation rear box side door, rear box bottom plate rear part is through the folder or pivot installation rear box tail door, rear box tail door and rear box side door fixed installation expansion structure body, expansion structure body includes limit pipe and edge expansion part, two symmetrical arrangement edge expansion part between through connecting cross pipe one and connecting cross pipe two fixed connection, connecting cross pipe one connection end is located in the rear edge of edge expansion part, connecting cross pipe two connection end is located in the middle part of edge expansion part, two symmetrical arrangement edge expansion part lower part is close to the side fixed installation limit pipe, limit pipe front end extends forward, connecting cross pipe two towards rear box tail door's side fixed installation two or three limit angle iron.

[0007] In addition, according to the detachable electric tricycle carriage tail door expansion structure proposed in the above embodiment of the utility model still can have the following additional technical features:

[0008] As a further improved scheme of the utility model, the limit pipe, the edge expansion part, the connecting cross pipe one and the connecting cross pipe two adopt the same specification rectangular square tube.

[0009] As a further improved scheme of the utility model, the limit pipe, the edge expansion part, the connecting cross pipe one and the connecting cross pipe two are connected by screws or welding.

[0010] As a further improved scheme of the utility model, the limit angle iron is equipped with an auxiliary fixing plate installed by screws below.

[0011] As a further improved scheme of the utility model, the upper surface of the expansion structure body is equipped with a metal skin.

[0012] By the above scheme, the utility model at least has the following advantages: compared with the conventional carriage, the expansion structure body is hung on the carriage to effectively meet the diversified loading requirements of customers, and since the device does not need to change the existing production line and is easy to disassemble and assemble, it can be popularized at a very low price and has a wide range of applications. ACCURACY OF DRAWINGS

[0013] Figure 1 is the use state perspective diagram of detachable electric tricycle carriage tail door expansion structure;

[0014] Figure 2 is the perspective view of detachable electric tricycle carriage tail door expansion structure;

[0015] In the figure: 1, the expansion structure body, 1-1, the limiting pipe, 1-2, the edge expansion part, 1-3, the connecting cross pipe one, 1-4, the connecting cross pipe two, 1-5, the limiting angle iron, 2, the tail door of the trunk, 3, the bottom plate of the trunk, 4, the side door of the trunk. DETAILED DESCRIPTION

[0016] The detachable electric tricycle compartment tail door expansion structure of the utility model is described below in combination with the drawings.

[0017] In the embodiments of the present application, as shown in Figure 1 and Figure 2 The detachable electric tricycle compartment tail door expansion structure (hereinafter referred to as "the present application") includes an expansion structure body 1, a limiting pipe 1-1, an edge expansion part 1-2, a connecting cross pipe one 1-3, a connecting cross pipe two 1-4, a limiting angle iron 1-5, a tail door of a trunk 2, a bottom plate of a trunk 3, and a side door of a trunk 4. The bottom plate of the trunk 3 is respectively installed with the side door of the trunk 4 through a folding page or a rotating shaft on both sides, and the tail door of the trunk 2 is installed through a folding page or a rotating shaft at the rear part of the bottom plate of the trunk 3. The tail door of the trunk 2 and the side door of the trunk 4 are fixedly installed with the expansion structure body 1. The expansion structure body 1 includes the limiting pipe 1-1 and the edge expansion part 1-2. The two symmetrically arranged edge expansion parts 1-2 are fixedly connected through the connecting cross pipe one 1-3 and the connecting cross pipe two 1-4. The connecting end of the connecting cross pipe one 1-3 is located at the rear edge of the edge expansion part 1-2. The connecting end of the connecting cross pipe two 1-4 is located at the middle part of the edge expansion part 1-2. The limiting pipe 1-1 is fixedly installed at the lower part close to the side edge of the two symmetrically arranged edge expansion parts 1-2. The front end of the limiting pipe 1-1 extends forward. Two or three limiting angle irons 1-5 are fixedly installed on the side of the connecting cross pipe two 1-4 facing the tail door of the trunk 2.

[0018] The utility model with publication number CN213292551U is a tricycle compartment with a compartment space expansion function (hereinafter referred to as "the patent"). The patent realizes a telescopic compartment through a series of transmission mechanisms. Although it can meet the diversified loading needs of customers, the cost will inevitably rise during production due to the relatively large number of structures. The present application can effectively meet the diversified loading needs of customers by hanging an expansion structure body 1 on the compartment. At the same time, since the device does not need to modify the existing production line and is easy to disassemble and assemble, it can be popularized at a very low price and has a wide range of applications.

[0019] In order to further optimize the work efficiency of the application, further reduce the production cost, the limiting pipe 1-1, the edge expansion part 1-2, the connecting horizontal pipe one 1-3 and the connecting horizontal pipe two 1-4 adopt the same specification rectangular square pipe. In order to reduce the process requirement, the limiting pipe 1-1, the edge expansion part 1-2, the connecting horizontal pipe one 1-3 and the connecting horizontal pipe two 1-4 are connected by screws or welding. In order to improve the stability after installation, the limiting angle iron 1-5 is equipped with auxiliary fixing plates installed by screws. In order to improve the adaptability, prevent material leakage, the upper surface of the expansion structure body 1 is equipped with a metal skin.

[0020] When in use, the detachable electric tricycle compartment tail door expansion structure is installed, and the equipment can be put into use.

[0021] The utility model in use, the specific work is as follows:

[0022] In use, the rear box side door 4 of two sides and the rear box tail door 2 of rear part are unfolded, then the expansion structure body 1 limiting pipe 1-1 is inserted into the rear box side door 4 below, makes it to fit the rear box side door 4, the limiting angle iron 1-5 is clamped on the square pipe of rear box tail door 2, the connecting horizontal pipe one 1-3 and the connecting horizontal pipe two 1-4 form the expansion surface, the edge expansion part 1-2 expands the space between rear box tail door 2 and rear box side door 4, completes the area expansion of vehicle rear box.

[0023] In conclusion, the detachable electric tricycle compartment tail door expansion structure of the utility model embodiment can effectively meet the diversified loading requirements of customers by hanging an expansion structure body 1 on the compartment, and since the device does not need to modify the existing production line and is easy to disassemble and assemble, it can be popularized at a very low price and has a wide range of applications.

[0024] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the application is limited to these examples; under the idea of the application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the application as described above. In order to be brief, they are not provided in detail. Any omissions, modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the application shall be included in the protection scope of the application.

Claims

1. A detachable electric tricycle carriage tail door expansion structure, comprising a rear box tail door (2), a rear box bottom plate (3) and a rear box side door (4), the rear box bottom plate (3) is respectively installed with the rear box side door (4) through a hinge or a rotating shaft on both sides, and the rear box bottom plate (3) is installed with the rear box tail door (2) through a hinge or a rotating shaft at the rear part, characterized in that, The rear box tail door (2) and the rear box side door (4) are fixedly installed with the expansion structure body (1), the expansion structure body (1) comprises a limiting pipe (1-1) and an edge expansion part (1-2), two symmetrically arranged edge expansion parts (1-2) are fixedly connected through a connecting cross pipe one (1-3) and a connecting cross pipe two (1-4), the connecting end of the connecting cross pipe one (1-3) is located at the rear edge of the edge expansion part (1-2), the connecting end of the connecting cross pipe two (1-4) is located at the middle part of the edge expansion part (1-2), the lower part of the two symmetrically arranged edge expansion parts (1-2) is fixedly installed with the limiting pipe (1-1) near the side edge, the front end of the limiting pipe (1-1) extends forward, and two or three limiting angle irons (1-5) are fixedly installed on the side of the connecting cross pipe two (1-4) facing the rear box tail door (2).

2. The detachable ETV cargo box tailgate extension structure of claim 1, wherein, The limiting pipe (1-1), the edge expansion part (1-2), the connecting cross pipe one (1-3) and the connecting cross pipe two (1-4) adopt the same specification of rectangular square pipes.

3. The detachable ETV cargo box tailgate extension structure of claim 2, wherein, The limiting pipe (1-1), the edge expansion part (1-2), the connecting cross pipe one (1-3) and the connecting cross pipe two (1-4) are connected through screws or welding.

4. The detachable ETV cargo box tailgate extension structure of claim 1, wherein, The limiting angle iron (1-5) is provided below with an auxiliary fixing sheet installed through screws.

5. The detachable ETV cargo box tailgate extension structure of claim 4, wherein, The upper surface of the expansion structure body (1) is provided with a metal skin.

Images