阅读说明：本技术 一种电动三轮车 (Electric tricycle ) 是由 卜祥俊 于 2019-11-07 设计创作，主要内容包括：本发明公开了一种电动三轮车,包括车架、车轮、载物厢、减震弹簧、电机和电池组,三个车轮转动连接在车架上,在车架上设有焊接矩形框架,所述矩形框架的顶端铰接有座椅支架,座椅支架的底面将矩形框架的顶端面封闭,在矩形框架的四个侧面上均固定有矩形板,矩形板将矩形框架的四个侧面封闭,电池组固定于矩形框架内；电池组为电机提供电能,电机驱动车架中的后侧车轮转动；所述载物厢铰接在车架上,减震弹簧的一端铰接在矩形框架上,另一端铰接在载物厢上。本发明在使用时,散热孔与散热间隙相贯通形成对流,便于对电池组更充分的散热,散热面积更广。(The invention discloses an electric tricycle which comprises a frame, wheels, a loading compartment, a damping spring, a motor and a battery pack, wherein the three wheels are rotatably connected to the frame; the battery pack provides electric energy for the motor, and the motor drives the rear wheels in the frame to rotate; the carrying compartment is hinged on the frame, one end of the damping spring is hinged on the rectangular frame, and the other end of the damping spring is hinged on the carrying compartment. When the battery pack is used, the radiating holes are communicated with the radiating gaps to form convection, so that the battery pack can be more sufficiently radiated, and the radiating area is wider.)

1. An electric tricycle, its characterized in that: the three-wheel electric vehicle comprises a vehicle frame (11), wheels (12), a loading compartment (13), a damping spring (14), a motor and a battery pack (15), wherein the three wheels (12) are rotatably connected to the vehicle frame (11), a welding rectangular frame (21) is arranged on the vehicle frame (11), a seat support (16) is hinged to the top end of the rectangular frame (21), the bottom surface of the seat support (16) seals the top end surface of the rectangular frame (21), rectangular plates (22) are fixed on four side surfaces of the rectangular frame (21), the four side surfaces of the rectangular frame (21) are sealed by the rectangular plates (22), and the battery pack (15) is fixed in the rectangular frame (21); the battery pack (15) provides electric energy for the motor, and the motor drives rear side wheels (12) in the frame (11) to rotate; the loading compartment (13) is hinged on the frame (11), one end of the damping spring (14) is hinged on the rectangular frame (21), and the other end is hinged on the loading compartment (13).

2. The electro-tricycle of claim 1, wherein: the bottom of rectangular frame (21) is closed structure, is fixed with brace table (211) on the bottom surface of rectangular frame (21) inner chamber, all is equipped with louvre (220) at the bottom of rectangular plate (22) of rectangular frame (21) preceding terminal surface and the bottom of rear end face rectangular plate (22).

3. The electro-tricycle of claim 2, wherein: the supporting table (211) is of a rectangular structure, and four side faces of the supporting table (211) are all of an inclined plane structure.

4. The electro-tricycle of claim 3, wherein: the bottom surface of the heat dissipation hole (220) is of an inclined surface structure, and the inclined direction of the bottom surface of the heat dissipation hole (220) is the same as the inclined direction of the side surface of the support platform (211).

5. The electro-tricycle of claim 4, wherein: the inclination angle of the bottom surface of the heat dissipation hole (220) is smaller than the inclination angle of the side surface of the support platform (211).

6. The electro-tricycle of claim 2, wherein: after the battery pack (15) is fixed on the rectangular frame (21), a heat dissipation gap (400) is formed between the outer wall surface of the battery pack (15) and the inner wall surface of the rectangular plate (22) on the periphery of the rectangular frame (21), and the heat dissipation holes (220) are communicated with the heat dissipation gap (400).

7. The electro-tricycle of claim 1, wherein: the battery pack (15) is formed by electrically connecting a plurality of battery monomers, and after the battery monomers are electrically connected into a whole, the plastic shell is sleeved on the outer wall of the battery monomers connected into a whole to form the battery pack (15).

8. The electro-tricycle of claim 7, wherein: two limiting ribs (151) are arranged on two outer wall surfaces which are parallel to each other in the plastic shell, and a limiting groove is formed between the two limiting ribs (151) on one corresponding side surface.

9. The electro-tricycle of claim 8, wherein: and a limiting block (218) matched with the limiting groove is arranged on the inner wall surface of the rectangular plate (22) at the corresponding position in the rectangular frame (21), and the limiting block (218) is inserted in the limiting groove.

The technical field is as follows:

the invention relates to an electric tricycle.

Background art:

the electric tricycle is a three-wheel transportation tool for pulling goods or people, which uses a storage battery as power and a motor as drive, adopts a tubular high-capacity, left and right liner, deep discharge and traction type storage battery, can meet the requirement of continuous discharge during long-time work, and the storage battery is normally used for two years without reducing the content.

The electric tricycle has the advantages of strong applicability, flexibility, simple maintenance, convenient maintenance, low price and the like, has a reversing switch, can conveniently realize reversing running function, is very practical in narrow alleys and lanes on roads, is very convenient for running and parking, and is widely applied to short-distance transportation fields such as families, cities and countryside, individual renting, factories, mining areas, environmental sanitation, community sanitation and the like. The battery pack among the current electric tricycle is directly fixed in the airtight battery box, and the radiating effect of battery pack is good, influences the life of battery easily, and in hot summer, the battery pack radiating effect is poor, can cause the potential safety hazard. Therefore, there is a need to improve the prior art to overcome the deficiencies of the prior art.

The invention content is as follows:

the present invention provides an electric tricycle to solve the problems of the prior art.

The technical scheme adopted by the invention is as follows: an electric tricycle comprises a frame, wheels, a loading compartment, a damping spring, a motor and a battery pack, wherein the three wheels are rotatably connected to the frame, a welded rectangular frame is arranged on the frame, a seat support is hinged to the top end of the rectangular frame, the bottom surface of the seat support seals the top end surface of the rectangular frame, rectangular plates are fixed on four side surfaces of the rectangular frame, the rectangular plates seal the four side surfaces of the rectangular frame, and the battery pack is fixed in the rectangular frame; the battery pack provides electric energy for the motor, and the motor drives the rear wheels in the frame to rotate; the carrying compartment is hinged on the frame, one end of the damping spring is hinged on the rectangular frame, and the other end of the damping spring is hinged on the carrying compartment.

The bottom end of the rectangular frame is of a closed structure, the supporting table is fixed on the bottom surface of the inner cavity of the rectangular frame, and the bottom ends of the rectangular plate on the front end surface and the rectangular plate on the rear end surface of the rectangular frame are provided with heat dissipation holes.

Further preferably, the support platform is a rectangular structure, and four side surfaces of the support platform are all of an inclined surface structure.

Further preferably, the bottom surface of the heat dissipation hole has an inclined surface structure, and the inclination direction of the bottom surface of the heat dissipation hole is the same as the inclination direction of the side surface of the support table.

Further preferably, the inclination angle of the bottom surface of the heat radiation hole is smaller than the inclination angle of the side surface of the support table.

Further preferably, after the battery pack is fixed to the rectangular frame, a heat dissipation gap is formed between an outer wall surface of the battery pack and an inner wall surface of the rectangular plate around the rectangular frame, and the heat dissipation holes are communicated with the heat dissipation gap.

The invention further preferably provides that the battery pack is formed by electrically connecting a plurality of battery monomers, and after the battery monomers are electrically connected into a whole, the plastic shell is sleeved on the outer wall of the integrally connected battery monomers to form the battery pack.

The invention further preferably discloses that two parallel outer wall surfaces in the plastic shell are respectively provided with two limiting ribs, and a limiting groove is formed between the two limiting ribs on the corresponding side surface.

The invention further preferably adopts the structure that a limiting block matched with the limiting groove is arranged on the inner wall surface of the rectangular plate at the corresponding position in the rectangular frame, and the limiting block is inserted in the limiting groove.

The invention has the following beneficial effects:

1) when the battery pack is used, the radiating holes are communicated with the radiating gaps to form convection, so that the battery pack can be more sufficiently radiated, and the radiating area is wider.

2) The heat dissipation holes are formed in the rectangular plates of the front end face and the rear end face of the rectangular frame, and in the running process of the tricycle, the heat dissipation holes face the wind, and form convection currents through the heat dissipation holes in the two side faces, so that better heat dissipation is facilitated.

3) The invention has the advantages of simple structure, good heat dissipation effect of the battery, simple heat dissipation structure and convenient realization.

4) The carrying compartment is provided with the damping spring, so that the buffering effect is good, and jolts borne by the carrying compartment during carrying are reduced.

Description of the drawings:

fig. 1 is a whole structure view of the tricycle of the present invention.

Fig. 2 is a structural view of a frame in a tricycle according to the present invention.

Fig. 3 is a front view of the battery pack in a rectangular frame for a tricycle according to the present invention.

Fig. 4 is a top view of the battery pack within a rectangular frame in a tricycle according to the present invention.

FIG. 5 is an enlarged view of the heat dissipating holes of the rectangular frame of the tricycle of the present invention.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, an electric tricycle according to the present invention includes a frame 11, wheels 12, a load compartment 13, a damper spring 14, a motor, and a battery pack 15.

The three wheels 12 are rotatably connected to the frame 11, a welded rectangular frame 21 is arranged on the frame 11, a seat support 16 is hinged to the top end of the rectangular frame 21, and the bottom surface of the seat support 16 seals the top end surface of the rectangular frame 21.

Rectangular plates 22 are fixed on four side surfaces of the rectangular frame 21, the rectangular plates 22 seal the four side surfaces of the rectangular frame 21, and the battery pack 15 is fixed in the rectangular frame 21; the battery pack 15 supplies electric power to a motor that drives the rear side wheels 12 in the frame 11 to rotate. The load compartment 13 is hinged to the frame 11, and the damping spring 14 is hinged at one end to the rectangular frame 21 and at the other end to the load compartment 13.

The bottom end of the rectangular frame 21 in the invention is a closed structure, a support table 211 is fixed on the bottom surface of the inner cavity of the rectangular frame 21, and the support table 211 is made of aluminum. The bottom end of the rectangular plate 22 on the front end face of the rectangular frame 21 and the bottom end of the rectangular plate 22 on the rear end face are both provided with heat dissipation holes 220.

The heat dissipation holes 220 are formed in the rectangular plates 22 on the front end face and the rear end face of the rectangular frame 21, and in the running process of the tricycle, the heat dissipation holes 220 face the wind, convection is formed among the heat dissipation holes 220 on the two side faces, and better heat dissipation is facilitated.

The support table 211 is a rectangular structure, and four sides of the support table 211 are all inclined surfaces. The inclined plane structure is made to four sides of supporting table 211, and in rainwater got into rectangular frame 21, ponding can be avoided to the inclined plane structure of supporting table 211, the drainage of the rainwater of being convenient for.

The bottom surface of the heat dissipation hole 220 is a slope structure, and the slope direction of the bottom surface of the heat dissipation hole 220 is the same as the slope direction of the side surface of the support platform 211. The bottom surface of the heat dissipation hole 220 is an inclined surface structure, which also prevents water accumulation and facilitates the drainage of rainwater.

The inclination angle of the bottom surface of the heat dissipation hole 220 is smaller than the inclination angle of the side surface of the support platform 211.

After the battery pack 15 is fixed to the rectangular frame 21, a heat dissipation gap 400 is formed between the outer wall surface of the battery pack 15 and the inner wall surface of the rectangular plate 22 around the rectangular frame 21, and the heat dissipation hole 220 is communicated with the heat dissipation gap 400. The battery pack 15 is not in contact with the rectangular plates 22 around the rectangular frame 21, so that heat can be better dissipated, and in the running process of the tricycle, the heat dissipation holes 220 are communicated with the heat dissipation gaps 400 to form convection, so that the battery pack can be more sufficiently dissipated, and the heat dissipation area is wider.

The battery pack 15 of the present invention is formed by electrically connecting a plurality of battery cells, and after the battery cells are electrically connected into a whole, a plastic casing is sleeved on the outer wall of the battery cells connected into a whole to form the battery pack 15.

In order to ensure the installation stability of the battery pack 15, two outer wall surfaces parallel to each other in the plastic case are provided with two limiting ribs 151, and a limiting groove is formed between the two limiting ribs 151 on a corresponding side surface. Correspondingly, the inner wall surface of the rectangular plate 22 at the corresponding position in the rectangular frame 21 is provided with a limit block 218 matched with the limit groove, and the limit block 218 is inserted into the limit groove. After the battery pack 15 is mounted in the rectangular frame 21, the battery pack 15 and the rectangular frame 21 may be protected from theft by adding an anti-theft lock.

In order to further ensure the sealing performance, a sealing ring is arranged at the joint of the seat support 16 and the rectangular frame 21.

One end of the seat support 16 is hinged on the rectangular frame 21, the other end of the seat support is fixedly connected with the rectangular frame 21 through a lock, and when the battery pack 15 needs to be taken out, the seat support 16 is turned over.

When the battery pack is used, the heat dissipation holes 220 are communicated with the heat dissipation gaps 400 to form convection, so that the battery pack can be more sufficiently dissipated, and the heat dissipation area is wider. The heat dissipation holes 220 are formed in the rectangular plates 22 of the front end face and the rear end face of the rectangular frame 21, and in the running process of the tricycle, the heat dissipation holes 220 face the wind, and the heat dissipation holes 220 in the two side faces form convection, so that better heat dissipation is facilitated.

The invention has the advantages of simple structure, good heat dissipation effect of the battery, simple heat dissipation structure and convenient realization. The carrying compartment is provided with the damping spring, so that the buffering effect is good, and jolts borne by the carrying compartment during carrying are reduced.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.