CN110834694B

CN110834694B - Electric tricycle structure

Info

Publication number: CN110834694B
Application number: CN201911079119.1A
Authority: CN
Inventors: 卜祥俊
Original assignee: Fengxian Gerant Electric Vehicle Co ltd
Current assignee: Fengxian Gerant Electric Vehicle Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2021-04-02
Anticipated expiration: 2039-11-07
Also published as: CN110834694A

Abstract

The invention discloses an electric tricycle structure, when the electric tricycle structure is used, heat dissipation holes are communicated with heat dissipation gaps to form convection, so that more sufficient heat dissipation is facilitated for a battery pack, and the heat dissipation area is wider. 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. The insert sheet is inserted from the upper part of the inserting groove, and the insert sheet is not contacted with the electric contact body at the moment. Then, the insert slides downward in the insertion slot 511 until the insert abuts against the bottom surface of the insertion slot, and at this time, the insert is just clamped between two contact blocks in the electrical contact body. The contact block tightly props against the insertion piece of the socket, so that the insertion piece is prevented from falling off.

Description

Electric tricycle structure

The technical field is as follows:

the invention relates to an electric tricycle structure.

Background art:

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. In addition, when the electric tricycle is used, the shock absorption effect is poor, so that in the use process, a power plug of the electric tricycle can fall off frequently due to jolt, if the power plug falls off in the driving process, the motor loses power, a vehicle can stop, the power plug needs to be plugged again after getting off, and the use is troublesome.

The invention content is as follows:

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

The technical scheme adopted by the invention is as follows: an electric tricycle structure comprises a frame, wheels, a loading compartment, a damping spring, a motor, a battery pack, a panel, an installation shell, an installation column, a contact block, a torsion spring and a socket with an insertion piece and an insulation head, 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;

the panel is fixedly connected to a rectangular plate on one side face in the rectangular frame, the mounting shell is fixedly connected to the panel and arranged in the rectangular frame, four mounting columns are fixed in the mounting shell, each mounting column is inserted with a contact block and a torsion spring, one end of each torsion spring is clamped on the contact block, the other end of each torsion spring is clamped on the inner wall of the mounting shell, and the two contact blocks form an electric contact body; two plug-in slots are arranged on the panel and are correspondingly arranged at the rear sides of the two electric contact bodies; every inserted sheet in the socket is inserted between two contact blocks in corresponding electric contact by the inserting groove of corresponding position department, and the torsional spring tightly supports contact block on the inserted sheet, and the outside of panel is arranged in to the insulator head of socket.

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 further preferably adopts the structure that the insertion groove and the mounting column are vertically arranged, the height of the insertion groove is greater than that of the contact block, and the bottom surface of the insertion groove is flush with that of the contact block.

The invention further preferably selects that the contact block is in a rectangular block structure, the rear end of the contact block is provided with a through hole, the mounting column penetrates through the through hole of the contact block, the front end face of the contact block is in an arc surface structure, and the arc surface of the contact block is abutted against the insertion piece.

The invention further preferably provides that the arc surface of the contact block is provided with anti-skid grains.

The invention further preferably provides that a step surface is arranged on the mounting column, the step surface axially positions the contact block on the mounting column, and the bottom surface of the contact block is flush with the bottom surface of the insertion groove.

The invention further preferably adopts a clamping table on the inner wall of the mounting shell, and the corresponding end of the torsion spring is clamped in the clamping table.

The invention further preferably provides that the outer wall of the insulating head is provided with a locking groove, the outer wall of the panel is hinged with a clamping plate, and the clamping plate is clamped in the locking groove.

The invention further preferably adopts the structure that the panel and the mounting shell are both made of insulating materials, and the contact block is made of copper materials.

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 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.

4) The insert sheet is inserted from the upper part of the inserting groove, and the insert sheet is not contacted with the electric contact body at the moment. Then, the insert slides downward in the insertion slot 511 until the insert abuts against the bottom surface of the insertion slot, and at this time, the insert is just clamped between two contact blocks in the electrical contact body. The contact block tightly props against the insertion piece of the socket, so that the insertion piece is prevented from falling off.

5) Set up anti-skidding line on the contact block, anti-skidding line can increase the frictional force between contact block and the inserted sheet, guarantees fastening power.

6) After the socket is inserted into the contact block, the clamping plate on the panel is clamped in the locking groove of the insulating head and used for positioning the socket in the vertical direction. The socket is further placed to slide out from the upper part of the plug slot.

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.

Fig. 6 is a front view of a receptacle panel according to the present invention.

Fig. 7 is a rear view of the receptacle panel of the present invention.

Fig. 8 is a left side view of the receptacle panel of the present invention.

Fig. 9 is an internal structural view of the mounting case of the present invention.

Fig. 10 is a structural view of a contact block in the present invention.

FIG. 11 is a view showing the structure of the insulation head and the card board 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 11, an electro-tricycle structure includes a frame 11, wheels 12, a load compartment 13, a damper spring 14, a motor, a battery pack 15, a panel 51, a mounting case 52, a mounting post 53, a contact block 54, a torsion spring 55, and a socket having a tab 61 and an insulating head 62.

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.

The panel 51 of the invention is fixedly connected to the rectangular plate 22 on one side surface of the rectangular frame 21, the mounting shell 52 is fixedly connected to the panel 51, the mounting shell 52 is arranged in the rectangular frame 21, four mounting columns 53 are fixed in the mounting shell 52, the four mounting columns 53 are vertically arranged, each mounting column 53 is inserted with a contact block 54 and a torsion spring 55, the contact block 54 on each mounting column 53 is positioned above the torsion spring 55, one end of the torsion spring 55 is clamped on the contact block 54, and the other end of the torsion spring 55 is clamped on the inner wall of the mounting shell 52. The two contact blocks 54 form one electrical contact.

Two insertion grooves 511 are provided on the panel 51, the two insertion grooves 511 are vertically provided, and the two insertion grooves 511 are correspondingly arranged on the rear sides of the two electrical contacts. Each plug sheet 61 in the socket is inserted between two contact blocks 54 in the corresponding electric contact body by the plug groove 511 at the corresponding position, the contact blocks 54 are tightly pressed on the plug sheet 61 by the torsion spring 55, and the insulation head 62 of the socket is arranged on the outer side of the panel 51.

The insertion slot 511 and the mounting post 53 are vertically arranged, the height of the insertion slot 511 is larger than that of the contact block 54, and the bottom surface of the insertion slot 511 is flush with that of the contact block 54. When the insertion piece 61 is inserted between the contact blocks 54, the insertion piece 61 is inserted from above the insertion slot 511, and at this time, the insertion piece 61 is not in contact with the electric contact. The insert 61 is then slid downward in the slot 511 until the insert 61 abuts the bottom surface of the slot 511, at which point the insert 61 is just snapped between the two contact blocks 54 in the electrical contact.

The contact block 54 is a rectangular block structure, a through hole is formed in the rear end of the contact block 54, and the mounting column 53 penetrates through the through hole of the contact block 54. In order to conveniently and exactly clamp the insertion sheet 61 between the two contact blocks 54 in the electric contact body, the front end surface of each contact block 54 is of an arc surface structure, and the arc surface of each contact block 54 is abutted against the insertion sheet 61.

The arc surface of the contact block 54 is provided with anti-slip lines. The non-slip threads may increase the friction between the contact block 54 and the insert 61.

To facilitate axial positioning of the contact block 54 on the mounting post 53, a step surface is provided on the mounting post 53 that axially positions the contact block 54 on the mounting post 53 such that the bottom surface of the contact block 54 is flush with the bottom surface of the insertion slot 511. Alternatively, a spring may be engaged with the mounting post 53, and the contact block 54 may be axially positioned on the mounting post 53 by the spring.

To facilitate installation of the torsion spring, a catch 522 is provided on the inner wall of the mounting housing 52 and the corresponding end of the torsion spring 55 is caught within the catch 522.

After the socket is inserted into the contact block 54, in order to conveniently position the socket in the vertical direction, a locking groove is formed in the outer wall of the insulating head 62, a clamping plate 516 is hinged to the outer wall of the panel 51, and the clamping plate 516 is clamped in the locking groove. The clamping plate 516 is clamped in the locking groove and used for positioning the socket in the vertical direction.

The panel 51 and the mounting case 52 in the present invention are made of insulating material, and the contact block 54 is made of copper material.

In use, the insert 61 is inserted from above the insertion slot 511 without the insert 61 contacting the electrical contact. The insert 61 is then slid downward in the slot 511 until the insert 61 abuts the bottom surface of the slot 511, at which point the insert 61 snaps into place between the two contact blocks 54 in the electrical contact. Contact piece 54 tightly contradicts on the inserted sheet 61 of socket, avoids droing of inserted sheet 61, and sets up anti-skidding line on contact piece 54, and anti-skidding line can increase the frictional force between contact piece 54 and the inserted sheet 61, guarantees fastening power.

After the socket is inserted into the contact block 54, the clamping plate 516 on the panel 51 is clamped in the locking groove of the insulating head 62 for positioning the socket in the vertical direction. Further placing the receptacle to slide out from above the socket 511.

The plug has the advantages of simple structure, capability of effectively preventing the plug from falling off from the jack, simple structure, easiness in realization and good use effect. The plug can ensure the fastening force, avoid the phenomenon that the power plug of the electric tricycle falls off due to bumping, and has simple structure and good use effect.

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.

Claims

1. An electric tricycle structure which is characterized in that: the three-wheel-type vehicle-mounted electric vehicle comprises a vehicle frame (11), wheels (12), a loading compartment (13), a damping spring (14), a motor, a battery pack (15), a panel (51), a mounting shell (52), mounting columns (53), contact blocks (54), a torsion spring (55) and a socket with an insertion piece (61) and an insulation head (62), 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), the top end of the rectangular frame (21) is hinged to a seat support (16), 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 four side surfaces of the rectangular frame (21), 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);

the panel (51) is fixedly connected to the rectangular plate (22) on one side face in the rectangular frame (21), the mounting shell (52) is fixedly connected to the panel (51), the mounting shell (52) is arranged in the rectangular frame (21), four mounting columns (53) are fixed in the mounting shell (52), each mounting column (53) is inserted with one contact block (54) and one torsion spring (55), one end of each torsion spring (55) is clamped on the contact block (54), the other end of each torsion spring is clamped on the inner wall of the mounting shell (52), and the two contact blocks (54) form an electric contact body; two plug-in slots (511) are arranged on the panel (51), and the two plug-in slots (511) are correspondingly arranged at the rear sides of the two electric contact bodies; each plug-in sheet (61) in the socket is inserted between two contact blocks (54) in the corresponding electric contact body through a plug-in groove (511) at the corresponding position, the contact blocks (54) are tightly pressed on the plug-in sheet (61) by a torsion spring (55), and an insulating head (62) of the socket is arranged on the outer side of the panel (51);

the bottom end of the rectangular frame (21) is of a closed structure, a support table (211) is fixed on the bottom surface of the inner cavity of the rectangular frame (21), and heat dissipation holes (220) are formed in the bottom end of the rectangular plate (22) on the front end surface of the rectangular frame (21) and the bottom end of the rectangular plate (22) on the rear end surface of the rectangular frame;

the supporting table (211) is of a rectangular structure, and four side surfaces of the supporting table (211) are all of an inclined surface structure;

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);

the contact block (54) is of a rectangular block structure, a through hole is formed in the rear end of the contact block (54), the mounting column (53) penetrates through the through hole of the contact block (54), the front end face of the contact block (54) is of an arc surface structure, and the arc surface of the contact block (54) abuts against the insertion sheet (61); the arc surface of the contact block (54) is provided with anti-skid grains;

the plug-in connection groove (511) and the mounting column (53) are both vertically arranged, the height of the plug-in connection groove (511) is larger than that of the contact block (54), and the bottom surface of the plug-in connection groove (511) is flush with that of the contact block (54);

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);

the inclination angle of the bottom surface of the heat dissipation hole (220) is smaller than that of the side surface of the support platform (211);

a step surface is arranged on the mounting column (53), and the step surface axially positions the contact block (54) on the mounting column (53);

a clamping table (522) is arranged on the inner wall of the mounting shell (52), and the corresponding end of the torsion spring (55) is clamped in the clamping table (522);

the outer wall of the insulating head (62) is provided with a locking groove, the outer wall of the panel (51) is hinged with a clamping plate (516), and the clamping plate (516) is clamped in the locking groove.