CN217918244U

CN217918244U - Combined aluminum alloy rear bottom fork for two-wheeled vehicle

Info

Publication number: CN217918244U
Application number: CN202222352926.XU
Authority: CN
Inventors: 丁刚; 唐有民; 杨生建
Original assignee: Taizhou Youmin Traffic Equipment Co ltd
Current assignee: Taizhou Youmin Traffic Equipment Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-29
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a combined aluminum alloy rear bottom fork for a two-wheeled vehicle, which relates to the technical field of two-wheeled vehicle connection and comprises a U-shaped fork arm, a connecting unit and a strengthening unit; the upper end of the U-shaped fork arm is provided with a strengthening unit; the linkage unit includes fixed block, connecting sleeve, support frame, rectangle sleeve, locating hole, pin and locating component, the front end left and right sides of U type yoke is equipped with a fixed block respectively, one side of the front end fixed connection connecting sleeve of fixed block, the rear end left and right sides of U type yoke is equipped with a support frame respectively, the front end of support frame is equipped with the rectangle sleeve that corresponds the U type yoke outside, four rectangle array's locating hole is seted up to the telescopic outer end of rectangle, and its structural design has the extension to the structural mounting of back chain stay, and the design of combination formula has promoted the range of application of structure, and overall structure intensity improves to some extent, has reduced the probability that long-time use back structure takes place to damage.

Description

Combined aluminum alloy rear bottom fork for two-wheeled vehicle

Technical Field

The utility model relates to a two-wheeled vehicle connects technical field, specifically is a combination aluminum alloy rear fork for two-wheeled vehicle.

Background

Along with the advocation of green travel, the environmental protection consciousness of people is enhanced, and the electric vehicle is convenient and quick, so that more people can choose the two-wheeled electric vehicle for traveling; the two-wheeled electric vehicle generally used at present comprises a frame, and travelling wheels, a storage battery, a transmission mechanism and the like which are arranged on the frame. When the rear wheel is connected with the frame, a required connection relation needs to be formed between the rear flat fork and the frame. The rear bottom fork of the two-wheeled electric vehicle needs to rotate around a certain shaft point of the frame so as to realize the damping function of the damper. Typically, the front end of the rear fork is hinged to the rear end of the frame, and a shock absorber is provided behind the hinged position of the rear fork to the frame, and the rear wheel is provided at the rear end of the rear fork.

In the prior art, part of structural design is relatively limited to structural installation of a rear bottom fork, the application range of the structure is reduced due to the integrated design, the overall structural strength is low, and the structure is easy to damage after long-time use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a combined aluminum alloy back chain stay for two-wheeled vehicle, its structural design has the extension to the structural mounting of back chain stay, and the design of combination formula has promoted the range of application of structure, and overall structure intensity improves to some extent, has reduced the probability that long-time use back structure takes place to damage, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a combined aluminum alloy rear bottom fork for a two-wheeled vehicle comprises a U-shaped fork arm, a connecting unit and a reinforcing unit;

u type yoke: the upper end of the frame is provided with a strengthening unit;

a connection unit: include fixed block, connecting sleeve, support frame, rectangle sleeve, locating hole, pin and locating component, the front end left and right sides of U type yoke is equipped with a fixed block respectively, one side of the front end fixed connection connecting sleeve of fixed block, the rear end left and right sides of U type yoke is equipped with a support frame respectively, the front end of support frame is equipped with the rectangle sleeve that corresponds the U type yoke outside, four rectangle array's locating hole is seted up to the telescopic outer end of rectangle, the pinhole that corresponds the locating hole has been seted up to both ends rear side about the U type yoke, the rectangle sleeve cup joints in the rear end outside of U type yoke, and the pinhole pin joint of every group corresponding locating hole, the upper end front side of U type yoke is equipped with locating component.

U type yoke promotes holistic joint strength, when installing, utilizes the connecting sleeve on the fixed block to install U type yoke overall structure on outside fixed knot constructs, then with the rectangle sleeve on the support frame, cup joints in the rear end both sides of U type yoke to use the pin to insert in proper order in the middle of locating hole and the pinhole, carry out the rigidity, increase holistic connection stability, then use locating component to connect shock-absorbing structure.

Furthermore, the positioning assembly comprises a fixing seat and a positioning ring, a pair of fixing seats is arranged on the front side of the upper end of the U-shaped fork arm, and the upper ends of the two fixing seats are respectively provided with one positioning ring. The fixing seat fixes the positions of the positioning rings, and when the two positioning rings are connected with the shock absorption structure, the two positioning rings are movably connected with the shock absorption structure through the connecting piece.

Further, the strengthening unit comprises threaded holes, I-shaped supports and fixing bolts, the upper ends of the U-shaped fork arms and the middle parts of the upper ends of the supporting frames are respectively provided with one threaded hole, the number of the threaded holes is four, the I-shaped supports are arranged on the upper sides of the U-shaped fork arms, threaded grooves corresponding to the threaded holes are formed in four corners of the lower ends of the I-shaped supports, and each pair of threaded holes and each pair of threaded grooves are respectively in threaded connection with one fixing bolt. During the installation, need strengthen fixedly to overall structure, aim at the screw hole with the thread groove of I-shaped support, then screw in fixing bolt, when improving connection stability, increased the antitorque commentaries on classics intensity of structure.

Furthermore, the U-shaped fork arm further comprises reinforcing ribs, the left end and the right end of the inner side of the U-shaped fork arm are respectively provided with one reinforcing rib, and the opposite ends of the two reinforcing ribs are fixedly connected with the front end of the inner side of the U-shaped fork arm. The strengthening rib promotes the stability of back chain stay when using, increases overall structure intensity.

Further, still include the mount pad, the lower extreme left and right sides of U type yoke is equipped with a mount pad respectively, the through-hole has been seted up at both ends about the mount pad. The transmission structure is connected through the mounting seat, so that the mounting flexibility is improved.

Furthermore, the U-shaped fork arm assembly further comprises L-shaped connecting pieces, the left side and the right side of the upper end of the U-shaped fork arm are respectively provided with one L-shaped connecting piece, and the outer end of each L-shaped connecting piece is provided with a pair of mounting holes. Utilize L type connection piece to connect the support frame in bearing structure, promote connection stability, increase holistic life.

Compared with the prior art, the beneficial effects of the utility model are that: this combined aluminum alloy back chain stay for two-wheeled vehicle has following benefit:

1. the combined aluminum alloy rear bottom fork for the two-wheeled vehicle is provided with the combined mounting structure, so that the mounting flexibility can be improved, the length of the support frame can be properly adjusted according to different mounting structures, and the adjustment convenience is improved;

2. according to the combined aluminum alloy rear bottom fork for the two-wheeled vehicle, the structural connection strength of the whole body is improved through the I-shaped support and the reinforcing ribs, the torsion resistance strength of the two support frames is increased, and the service life of the whole body is prolonged;

3. this combined aluminum alloy back chain stay for two-wheeled vehicle, its structural design installs the extension to the structure of back chain stay, and the application range of structure has been promoted in the design of combination formula, and overall structure intensity improves to some extent, has reduced the probability that long-time use back structure takes place to damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the local explosion structure of the reinforcement unit of the present invention;

fig. 3 is a schematic diagram of the local explosion structure of the connection unit of the present invention.

In the figure: the device comprises a 1U-shaped fork arm, a 2 connecting unit, a 21 fixing block, a 22 connecting sleeve, a 23 supporting frame, a 24 rectangular sleeve, a 25 positioning hole, a 26 pin, a 27 fixing seat, a 28 positioning ring, a 3 reinforcing unit, a 31 threaded hole, a 32I-shaped support, a 33 fixing bolt, a 4 reinforcing rib, a 5 mounting seat and a 6L-shaped connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a combined aluminum alloy rear bottom fork for a two-wheeled vehicle comprises a U-shaped fork arm 1, a connecting unit 2 and a strengthening unit 3;

u-shaped yoke 1: is provided with a strengthening unit 3;

the strengthening unit 3 comprises threaded holes 31, I-shaped supports 32 and fixing bolts 33, the middle parts of the upper ends of the U-shaped yoke 1 and the upper end of the support frame 23 are respectively provided with one threaded hole 31, the number of the threaded holes 31 is four, the upper side of the U-shaped yoke 1 is provided with the I-shaped supports 32, four corners of the lower end of each I-shaped support 32 are provided with thread grooves corresponding to the threaded holes 31, and each pair of the threaded holes 31 and each pair of the thread grooves are respectively in threaded connection with one fixing bolt 33. During installation, the integral structure needs to be strengthened and fixed, the thread groove of the I-shaped support 32 is aligned to the threaded hole 31, and then the fixing bolt 33 is screwed in, so that the connection stability is improved, and meanwhile, the anti-torsion strength of the structure is increased.

The connection unit 2: the U-shaped fork arm comprises a fixing block 21, a connecting sleeve 22, a supporting frame 23, a rectangular sleeve 24, positioning holes 25, pins 26 and a positioning assembly, wherein the left side and the right side of the front end of the U-shaped fork arm 1 are respectively provided with the fixing block 21, the front end of the fixing block 21 is fixedly connected with one side of the connecting sleeve 22, the left side and the right side of the rear end of the U-shaped fork arm 1 are respectively provided with the supporting frame 23, the front end of the supporting frame 23 is provided with the rectangular sleeve 24 corresponding to the outer side of the U-shaped fork arm 1, the outer end of the rectangular sleeve 24 is provided with the positioning holes 25 in four rectangular arrays, the rear sides of the left end and the right end of the U-shaped fork arm 1 are provided with pin holes corresponding to the positioning holes 25, the rectangular sleeve 24 is sleeved on the outer side of the rear end of the U-shaped fork arm 1, each group of the corresponding positioning holes 25 is connected with one pin 26, and the positioning assembly is arranged on the front side of the upper end of the U-shaped fork arm 1.

U type yoke 1 promotes holistic joint strength, when installing, utilizes connecting sleeve 22 on the fixed block 21 to install U type yoke 1 overall structure on outside fixed knot constructs, then with the rectangular sleeve 24 on the support frame 23, cup joints in the rear end both sides of U type yoke 1 to use pin 26 to insert in proper order in the middle of locating hole 25 and the pinhole, carry out the rigidity, increase holistic connection stability, then use locating component to connect shock-absorbing structure.

The positioning assembly comprises a fixed seat 27 and a positioning ring 28, a pair of fixed seats 27 is arranged on the front side of the upper end of the U-shaped fork arm 1, and the upper ends of the two fixed seats 27 are respectively provided with one positioning ring 28. The fixing seat 27 fixes the positions of the positioning rings 28, and when the shock absorption structure is connected, the two positioning rings 28 are movably connected with the shock absorption structure through connecting pieces.

The U-shaped fork arm comprises a U-shaped fork arm 1 and is characterized by further comprising reinforcing ribs 4, the left end and the right end of the inner side of the U-shaped fork arm 1 are respectively provided with one reinforcing rib 4, and the opposite ends of the two reinforcing ribs 4 are fixedly connected with the front end of the inner side of the U-shaped fork arm 1. The reinforcing rib 4 improves the stability of the rear bottom fork when in use and increases the strength of the whole structure.

The U-shaped fork arm is characterized by further comprising a mounting seat 5, the left side and the right side of the lower end of the U-shaped fork arm 1 are respectively provided with the mounting seat 5, and the left end and the right end of the mounting seat 5 are provided with through holes. The transmission structure is connected through the mounting seat 5, so that the mounting flexibility is improved.

The U-shaped fork arm is characterized by further comprising an L-shaped connecting sheet 6, wherein the left side and the right side of the upper end of the U-shaped fork arm 1 are respectively provided with the L-shaped connecting sheet 6, and the outer end of each L-shaped connecting sheet 6 is provided with a pair of mounting holes. Utilize L type connection piece 6 to connect support frame 23 in bearing structure, promote connection stability, increase holistic life.

The utility model provides a pair of combined aluminum alloy rear bottom fork for two-wheeled vehicle's theory of operation as follows: the U-shaped fork arm 1 improves the overall connection strength, when the installation is carried out, the connecting sleeve 22 on the fixing block 21 is utilized to install the overall structure of the U-shaped fork arm 1 on an external fixing structure, then the rectangular sleeve 24 on the supporting frame 23 is sleeved on the two sides of the rear end of the U-shaped fork arm 1, the pin 26 is sequentially inserted into the positioning hole 25 and the pin hole, the position fixing is carried out, the overall connection stability is improved, the fixing seat 27 fixes the position of the positioning ring 28, when the shock absorption structure is connected, the two positioning rings 28 are movably connected with the shock absorption structure through the connecting piece, then the overall structure needs to be strengthened and fixed, the thread groove of the I-shaped support 32 is aligned with the thread hole 31, then the fixing bolt 33 is screwed in, when the connection stability is improved, the anti-torsion strength of the structure is improved, the stability when the reinforcing rib 4 improves the rear flat fork, the overall structure strength is improved, the transmission structure is connected through the mounting seat 5, the installation flexibility is improved, the supporting frame 23 is connected with the supporting frame 23 by utilizing the L-shaped connecting piece 6, the connection stability is improved, the overall service life is prolonged, and the use end of the overall rear flat fork is finished.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a two-wheeled vehicle is with combination aluminum alloy back chain stay which characterized in that: comprises a U-shaped fork arm (1), a connecting unit (2) and a strengthening unit (3);

u-shaped yoke (1): is provided with a strengthening unit (3);

connection unit (2): include fixed block (21), connecting sleeve (22), support frame (23), rectangle sleeve (24), locating hole (25), pin (26) and locating component, the front end left and right sides of U type yoke (1) is equipped with one fixed block (21) respectively, one side of front end fixed connection connecting sleeve (22) of fixed block (21), the rear end left and right sides of U type yoke (1) is equipped with one support frame (23) respectively, the front end of support frame (23) is equipped with rectangle sleeve (24) that corresponds the U type yoke (1) outside, four rectangle array's locating hole (25) are seted up to the outer end of rectangle sleeve (24), the pinhole that corresponds locating hole (25) is seted up to both ends rear side about U type yoke (1), rectangle sleeve (24) cup joint in the rear end outside of U type yoke (1), and the pinhole of every group corresponding locating hole (25) pin joint pin (26), the upper end front side of U type yoke (1) is equipped with locating component.

2. The combination type aluminum alloy rear fork for two-wheeled vehicle as set forth in claim 1, wherein: locating component includes fixing base (27) and holding ring (28), the upper end front side of U type yoke (1) is equipped with a pair of fixing base (27), and the upper end of two fixing bases (27) is equipped with a holding ring (28) respectively.

3. The combination type aluminum alloy rear fork for two-wheeled vehicle according to claim 1, characterized in that: reinforce unit (3) and include screw hole (31), I-shaped support (32) and fixing bolt (33), one screw hole (31) have been seted up respectively in the upper end of U type yoke (1) and the upper end middle part of support frame (23), and screw hole (31) are equipped with four altogether, the upside of U type yoke (1) is equipped with I-shaped support (32), the thread groove that corresponds screw hole (31) is seted up in the lower extreme four corners of I-shaped support (32), and every fixing bolt (33) of threaded connection respectively to screw hole (31) and thread groove.

4. The combination type aluminum alloy rear fork for two-wheeled vehicle as set forth in claim 1, wherein: still include strengthening rib (4), both ends are equipped with one strengthening rib (4) respectively about the inboard of U type yoke (1), and the inboard front end of the relative one end of two strengthening ribs (4) fixed connection U type yoke (1) simultaneously.

5. The combination type aluminum alloy rear fork for two-wheeled vehicle according to claim 1, characterized in that: still include mount pad (5), the lower extreme left and right sides of U type yoke (1) is equipped with one mount pad (5) respectively, the through-hole has been seted up at both ends about mount pad (5).

6. The combination type aluminum alloy rear fork for two-wheeled vehicle as set forth in claim 1, wherein: still include L type connection piece (6), the upper end left and right sides of U type yoke (1) is equipped with one L type connection piece (6) respectively, and the outer end of L type connection piece (6) has seted up a pair of mounting hole.