CN213262814U

CN213262814U - Rear bottom fork group structure of electric vehicle

Info

Publication number: CN213262814U
Application number: CN202022443061.9U
Authority: CN
Inventors: 韩天兵; 高麦强
Original assignee: Wuxi Jinming Technology Co ltd
Current assignee: Wuxi Jinming Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-25
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to an electric motor car accessory technical field just discloses a back chain stay group structure of electric motor car, including left part chain stay and right part chain stay, the inside of through-hole is provided with first sleeve inside lining and second sleeve inside lining respectively, be provided with the strengthening rib between left part chain stay and the right part chain stay, the both ends welding of strengthening rib has the fixture block, the card firmware has all been welded to left part chain stay and right part chain stay corresponding face, the inner circle surface of mounting groove is provided with first sealing washer, the outer lane surface of mounting groove is provided with the second sealing washer, the left part chain stay surface of mounting groove position department is provided with the installation lid. This rear bottom fork group structure of electric motor car, through setting up left part bottom fork, right part bottom fork, strengthening rib, first sleeve inside lining, second sleeve inside lining, installation lid, first sealing washer and second sealing washer, make the utility model discloses have dismantled and assembled function and rust-resistant protect function, be convenient for change the accessory in good time, reduce the resource loss, improve the practicality.

Description

Rear bottom fork group structure of electric vehicle

Technical Field

The utility model relates to an electric motor car accessory technical field specifically is a rear bottom fork group structure of electric motor car.

Background

The electric vehicle is one of basic transportation tools of people, and provides convenience for people to go out. The back chain stay of electric motor car is one of the essential element of electric motor car, and the back chain stay is often installed in the centre of frame or on the wheel, and the back chain stay of installation on these vehicles mainly is rectangle tubular structure, and when the road conditions was relatively poor, installation piece and back chain stay body frame cracked easily, and the trip of giving people brings the inconvenience, generally unable maintenance after the rupture condition appears in the back chain stay, consequently can only wholly change the back chain stay, and economic cost is very high.

At present, the chain stay is the frame of integral type behind the electric motor car, local damage or when crooked appear in the chain stay behind the electric motor car, need directly change the chain stay, very big waste the resource, also can increase user replacement cost, secondly, the electric motor car is at the in-process of in-service use, the construction bolt of car rear wheel is directly exposed in the air, can't avoid receiving the erosion of rainwater, accelerate it to rust the damage, and then bring certain potential safety hazard for the driver, when the electric motor car traveles subaerially at the road injustice, the tire is pricked very easily, need change it, and rusty bolt is when changing, very difficultly, consequently, need improve it.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a back chain stay group structure of electric motor car, dismantled and assembled function and rust-resistant protect function have, the in-process of chain stay at the in-service use behind the current electric motor car has been solved, because of it is integral type frame construction, when local complete or damage appear, need directly change back chain stay, it is extravagant to lead to very big resource, and user's replacement cost has been increased, secondly, the electric motor car is at the in-process that uses, the tire often can be pricked, need change it, and current electric motor car rear wheel construction bolt is direct to expose in the air, long-term rainwater erosion of receiving, the damage of rustting easily, and when the maintenance, the rusty bolt is very wasting time and energy at the in-process of dismantling, the practicality is low.

The utility model provides a following technical scheme: the utility model provides a rear bottom fork group structure of electric motor car, includes left part bottom fork and right part bottom fork, one side of left part bottom fork is provided with the right part bottom fork, the through-hole has all been seted up to the front side of left part bottom fork and right part bottom fork, the inside of through-hole is provided with first sleeve inside lining and second sleeve inside lining respectively, be provided with the strengthening rib between left part bottom fork and the right part bottom fork, the both ends welding of strengthening rib has the fixture block, the card firmware has all been welded to left part bottom fork and right part bottom fork corresponding surface, the mounting groove has been seted up on the tail end surface of left part bottom fork, the inner circle surface of mounting groove is provided with first sealing washer, the outer lane surface of mounting groove is provided with the second sealing washer, the left part bottom fork surface of mounting groove position department is provided with the installation lid.

Preferably, the clamping block is arranged inside the clamping member, first mounting holes are formed in the surfaces of the clamping block and the clamping member, and a fixing bolt is arranged inside the first mounting hole.

Preferably, the top of left part chain stay and right part chain stay all welds the fixed block, the second mounting hole has all been seted up on the surface of fixed block.

Preferably, the inner side of the front end of the first sleeve liner is provided with a first internal thread, and the front end of the second sleeve liner is provided with a first external thread.

Preferably, a second external thread is arranged on the outer side of the front end of the mounting cover, and a second internal thread is arranged on the inner side of the mounting groove.

Preferably, the surface of the mounting cover is provided with an anti-slip strip ridge.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the rear bottom fork group structure of the electric vehicle is characterized in that a left bottom fork, a right bottom fork, a first sleeve liner, a second sleeve liner and reinforcing ribs are arranged, the utility model has the advantages of detachable function, simple operation, convenience and rapidness, and can change the fittings in due time, reduce the resource loss, when in use, an operator inserts the first sleeve liner and the second sleeve liner into the through holes at the ends of the left bottom fork and the right bottom fork respectively and realizes thread fastening through the first internal thread and the first external thread, then the first sleeve liner and the second sleeve liner are connected, then the fixture blocks at the two ends of the reinforcing rib are inserted into the clamping piece to realize quick clamping and fixing, further, the fixing bolt is inserted into the first mounting hole, and then fix the strengthening rib between left part chain stay and right part chain stay to the equipment of realization electric motor car back chain stay.

2. This rear bottom fork group structure of electric motor car through setting up the installation lid, first sealing washer and second sealing washer, makes the utility model discloses have rust-resistant protect function, it is inconvenient because of rusty dismouting effectively to avoid electric motor car rear wheel construction bolt, has higher practicality, when using, will install the position department of lid at the mounting groove, realize fixedly through second external screw thread and second internal thread to further waterproof sealing through first sealing washer and second sealing washer, effectively avoid the direct exposure of rear wheel construction bolt to suffer the erosion of rainwater in the air for a long time and rust, thereby realize rust-resistant protection.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the left bottom fork structure of the present invention;

FIG. 3 is a side view of the left bottom fork of the present invention;

FIG. 4 is a schematic view of the reinforcing rib of the present invention;

fig. 5 is a schematic view of the first sleeve liner and the second sleeve liner of the present invention.

In the figure: 1. a left bottom fork; 2. a right bottom fork; 3. a first sleeve liner; 4. a second sleeve liner; 5. reinforcing ribs; 6. fastening a bolt; 7. a clamping and fixing piece; 8. a fixed block; 9. installing a cover; 10. stupefied with anti-slip strips; 11. a through hole; 12. a second external thread; 13. a second internal thread; 14. mounting grooves; 15. a first seal ring; 16. a second seal ring; 17. a second mounting hole; 18. a clamping block; 19. a first mounting hole; 20. a first external thread; 21. a first internal thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a rear bottom fork assembly structure of an electric vehicle includes a left bottom fork 1 and a right bottom fork 2, wherein fixing blocks 8 are welded to tops of the left bottom fork 1 and the right bottom fork 2, a second mounting hole 17 is formed on surfaces of the fixing blocks 8, the right bottom fork 2 is disposed on one side of the left bottom fork 1, through holes 11 are formed in front sides of the left bottom fork 1 and the right bottom fork 2, a first sleeve lining 3 and a second sleeve lining 4 are respectively disposed inside the through holes 11, a first internal thread 21 is disposed inside a front end of the first sleeve lining 3, a first external thread 20 is disposed at a front end of the second sleeve lining 4, a reinforcing rib 5 is disposed between the left bottom fork 1 and the right bottom fork 2, clamping blocks 18 are welded to two ends of the reinforcing rib 5, clamping members 7 are welded to corresponding surfaces of the left bottom fork 1 and the right bottom fork 2, the clamping blocks 18 are disposed inside the clamping members 7, the fixture block 18 and the surface of the clamping member 7 are provided with first mounting holes 19, the inside of the first mounting hole 19 is provided with a fixing bolt 6, the tail end surface of the left bottom fork 1 is provided with a mounting groove 14, the inner ring surface of the mounting groove 14 is provided with a first sealing ring 15, the outer ring surface of the mounting groove 14 is provided with a second sealing ring 16, the surface of the left bottom fork 1 at the position of the mounting groove 14 is provided with a mounting cover 9, the front end outer side of the mounting cover 9 is provided with a second outer thread 12, the inner side of the mounting groove 14 is provided with a second inner thread 13, the surface of the mounting cover 9 is provided with an anti-slip strip ridge 10, the anti-slip property of the mounting cover 9 is improved by the anti-slip strip ridge 10.

During operation, an operator inserts the first sleeve liner 3 and the second sleeve liner 4 into the through holes 11 at the ends of the left bottom fork 1 and the right bottom fork 2 respectively, and realizes thread fastening through the first internal thread 21 and the first external thread 20, so as to connect the first sleeve liner 3 with the second sleeve liner 4, then inserts the fixture blocks 18 at the two ends of the reinforcing rib 5 into the fixture piece 19 to realize quick clamping and fixing, further inserts the fixing bolt 6 into the first mounting hole 19, further fixes the reinforcing rib 5 between the left bottom fork 1 and the right bottom fork 2, so as to realize the assembly of the rear bottom fork of the electric vehicle, and then places the utility model at the position of the rear wheel of the electric vehicle to fixedly mount the rear wheel, then places the two ends of the rear wheel of the electric vehicle at the position of the mounting groove 14, and fastens the rear wheel through the external fastener, and then covers the mounting cover 9 at the position of the mounting groove 14, the fastening is effected by the second external thread 12 and the second internal thread 13 and is further sealed watertight by the first sealing ring 15 and the second sealing ring 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rear bottom fork group structure of electric motor car, includes left part bottom fork (1) and right part bottom fork (2), its characterized in that: a right bottom fork (2) is arranged on one side of the left bottom fork (1), through holes (11) are respectively arranged on the front sides of the left bottom fork (1) and the right bottom fork (2), a first sleeve lining (3) and a second sleeve lining (4) are respectively arranged in the through hole (11), a reinforcing rib (5) is arranged between the left bottom fork (1) and the right bottom fork (2), the two ends of the reinforcing rib (5) are welded with clamping blocks (18), the corresponding surfaces of the left bottom fork (1) and the right bottom fork (2) are welded with clamping pieces (7), the tail end surface of the left bottom fork (1) is provided with an installation groove (14), the inner ring surface of the installation groove (14) is provided with a first sealing ring (15), a second sealing ring (16) is arranged on the surface of the outer ring of the mounting groove (14), and the surface of the left bottom fork (1) at the position of the mounting groove (14) is provided with a mounting cover (9).

2. The rear bottom fork set structure of the electric vehicle as claimed in claim 1, wherein: the clamping block (18) is arranged inside the clamping piece (7), first mounting holes (19) are formed in the surfaces of the clamping block (18) and the clamping piece (7), and fixing bolts (6) are arranged inside the first mounting holes (19).

3. The rear bottom fork set structure of the electric vehicle as claimed in claim 1, wherein: fixed block (8) have all been welded at the top of left part chain stay (1) and right part chain stay (2), second mounting hole (17) have all been seted up on the surface of fixed block (8).

4. The rear bottom fork set structure of the electric vehicle as claimed in claim 1, wherein: the inner side of the front end of the first sleeve liner (3) is provided with a first internal thread (21), and the front end of the second sleeve liner (4) is provided with a first external thread (20).

5. The rear bottom fork set structure of the electric vehicle as claimed in claim 1, wherein: the outer side of the front end of the mounting cover (9) is provided with a second external thread (12), and the inner side of the mounting groove (14) is provided with a second internal thread (13).

6. The rear bottom fork set structure of the electric vehicle as claimed in claim 1, wherein: the surface of the mounting cover (9) is provided with an anti-slip strip ridge (10).