CN215475556U - Middle tube of bicycle frame - Google Patents

Abstract

The utility model discloses a middle tube of a bicycle frame, which comprises an upper tube body, a first lantern ring, a second lantern ring, a lower tube body and pedal rings, wherein the first lantern ring is arranged at the bottom of the upper tube body, the bottom of the first lantern ring is connected with the second lantern ring, the bottom of the second lantern ring is connected with the lower tube body, the pedal rings are welded at the bottom of the lower tube body, the upper tube body is connected with the first lantern ring through threads, a connecting ring is arranged on one side of the first lantern ring, a second connecting plate is arranged on the other side of the first lantern ring, the second lantern ring is connected with the lower tube body through threads, a connecting frame is arranged on one side of the second lantern ring, a first connecting plate is arranged on the other side of the second lantern ring, and the first connecting plate and the second connecting plate are connected through bolts. This pipe has the effect of shock attenuation, buffering in the bicycle, brings better experience for the cyclist when jolting, has folding mechanism simultaneously, has reduced the occupation of land space, conveniently carries and transports.

Description

Middle tube of bicycle frame

Technical Field

The utility model relates to the technical field of bicycles, in particular to a middle tube of a bicycle frame.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. Can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle travel; the bicycle itself is also a sport event, including road bike racing, mountain bike racing, field bike racing, stunt bike racing, and the like. An important support function in a bicycle frame is the frame center tube.

The bicycle frame middle tube on the existing market has the following problems:

1, most of tubes in the frame of the existing bicycle have no damping function, the bicycle can bump during running, if no damping device is provided, bad riding experience can be brought to a riding person, and a saddle of the bicycle can be damaged;

2 the pipe is not had folding device in the current bicycle frame mostly, because the pipe is longer in the bicycle, and the space that occupies is great, does not have folding function, inconvenient carrying and transportation have certain limitation when using.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the middle tube of the bicycle frame, which solves the problems that most middle tubes of the bicycle frames on the existing market have no damping function, the bicycles can bump during the running process, if no buffering device is provided, bad riding experience can be brought to a riding person, and the saddles of the bicycles can be damaged; most of middle tubes of the existing bicycle frames are not provided with folding devices, and the middle tubes of the bicycles are long, so that the occupied space is large, the middle tubes of the bicycles are not provided with folding functions, the middle tubes of the bicycles are inconvenient to carry and transport, and the middle tubes of the bicycles have the problem of certain limitation in use.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a pipe in bicycle frame, includes last body, the first lantern ring, the second lantern ring, lower body and pedal ring, the bottom of going up the body is equipped with the first lantern ring, the second lantern ring is connected to the bottom of the first lantern ring, the body is down connected to the bottom of the second lantern ring, the bottom welding of body has pedal ring down, go up through threaded connection between body and the first lantern ring, one side of the first lantern ring is equipped with the go-between, the opposite side of the first lantern ring is equipped with the second connecting plate, pass through threaded connection between the second lantern ring and the lower body, one side of the second lantern ring is equipped with the link, the opposite side of the second lantern ring is equipped with first connecting plate, pass through bolted connection between first connecting plate and the second connecting plate.

Preferably, the top of going up the body is equipped with the end ring, compression spring is installed at the top of end ring, compression spring's top is equipped with the rubber ring, the top erection bracing dish of rubber ring, the top welding of supporting disk has the connecting pipe, the fixed block is installed to the both sides of connecting pipe.

Preferably, the bolt includes nut, screw rod and screw thread, the side welding of nut has the screw rod, the outside of screw rod is equipped with the screw thread.

Preferably, the connecting frame is provided with a first round hole, the connecting rings are provided with a second round hole, the connecting rings are provided with two groups, the two groups of connecting rings are positioned on two sides of the connecting frame, and the connecting rings are connected with the connecting frame through screws.

Preferably, the first connecting plate is provided with two groups of first through holes, and the bolts are embedded in the first through holes.

Preferably, the second connecting plate is provided with two groups of second through holes, and the bolts are embedded in the second through holes.

Preferably, one side of the first lantern ring and one side of the second lantern ring are connected through a first connecting plate and a second connecting plate, and the other side of the first lantern ring and the other side of the second lantern ring are connected through a connecting frame and a connecting ring.

(III) advantageous effects

The utility model provides a middle tube of a bicycle frame. The method has the following beneficial effects:

(1) the middle tube of the bicycle frame well solves the problems that most middle tubes of the existing bicycle frame have no damping function, the bicycle can bump in the running process, if no buffering device is provided, bad riding experience can be brought to a riding person, and the bicycle saddle can be damaged, because the bottom ring is arranged at the top of the upper tube body, the compression spring is arranged at the top of the bottom ring, the rubber ring is arranged at the top of the compression spring, the rubber ring has certain protection effect, the supporting plate is arranged at the top of the rubber ring, the connecting tube is welded at the top of the supporting plate, the fixing blocks are arranged at two sides of the connecting tube, when bumping, the pressure transmitted from the upper part of the connecting tube can be transmitted to the supporting plate through the fixing block, the supporting plate is transmitted to the compression spring, and the damping effect can be achieved by utilizing the elasticity of the spring, the buffer effect is better when bumping;

(2) the middle tube of the bicycle frame well solves the problems that most of middle tubes of the existing bicycle frames are not provided with folding devices, the middle tubes of the bicycles are long, the occupied space is large, the middle tubes of the bicycles have no folding function and are inconvenient to carry and transport, and certain limitation exists in use, because the bottom of an upper tube body is provided with a first lantern ring, the bottom of the first lantern ring is connected with a second lantern ring, the bottom of the second lantern ring is connected with a lower tube body, one side of the first lantern ring is provided with a connecting ring, the other side of the first lantern ring is provided with a second connecting plate, one side of the second lantern ring is provided with a connecting frame, the other side of the second lantern ring is provided with a first connecting plate, the first connecting plate is connected with the second connecting plate through bolts, the connecting ring is connected with the connecting frame through screws, a folding structure is formed between the first lantern ring and the second lantern ring, and the middle tubes are folded, the middle pipe can be conveniently moved and transported, the occupied space is reduced, and the middle pipe is better in portability.

Drawings

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

FIG. 2 is a schematic view of the shock absorbing structure of the present invention;

FIG. 3 is a schematic view of the lower pipe structure of the present invention;

FIG. 4 is a schematic view of the upper tube structure of the present invention;

fig. 5 is a schematic view of the bolt structure of the present invention.

In the figure, an upper pipe body-1, a first sleeve ring-2, a second sleeve ring-3, a lower pipe body-4, a pedal ring-5, a bottom ring-6, a compression spring-7, a rubber ring-8, a supporting disk-9, a connecting pipe-10, a fixing block-11, a connecting frame-12, a first round hole-13, a first connecting plate-14, a first through hole-15, a connecting ring-16, a second round hole-17, a second connecting plate-18, a second through hole-19, a nut-20, a screw-21, a thread-22 and a bolt-23.

Detailed Description

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: the utility model provides a pipe in bicycle frame, includes upper tube body 1, first lantern ring 2, second lantern ring 3, lower body 4 and pedal ring 5, the bottom of upper tube body 1 is equipped with first lantern ring 2, second lantern ring 3 is connected to the bottom of first lantern ring 2, body 4 is down connected to the bottom of second lantern ring 3, the bottom welding of body 4 has pedal ring 5 down, pass through threaded connection between upper tube body 1 and the first lantern ring 2, one side of first lantern ring 2 is equipped with go-between 16, the opposite side of first lantern ring 2 is equipped with second connecting plate 18, pass through threaded connection between second lantern ring 3 and the lower body 4, one side of second lantern ring 3 is equipped with link 12, the opposite side of second lantern ring 3 is equipped with first connecting plate 14, connect through bolt 23 between first connecting plate 14 and the second connecting plate 18.

Go up the top of body 1 and be equipped with end ring 6, compression spring 7 is installed at the top of end ring 6, compression spring 7's top is equipped with rubber ring 8, the top erection bracing dish 9 of rubber ring 8, the top welding of supporting disk 9 has connecting pipe 10, fixed block 11 is installed to the both sides of connecting pipe 10. Be equipped with end ring 6 at the top of last body 1, compression spring 7 is installed at end ring 6's top, top at compression spring 7 is equipped with rubber ring 8, rubber ring 8 has certain protective effect, top erection bracing dish 9 at rubber ring 8, the top welding of supporting disk 9 has connecting pipe 10, install fixed block 11 in the both sides of connecting pipe 10, when meetting jolting, the pressure that connecting pipe 10 upper portion transmitted can transmit for supporting disk 9 through fixed block 11, supporting disk 9 transmits for compression spring 7, the elasticity that can utilize the spring plays absorbing effect, better cushioning effect has.

The bolt 23 comprises a nut 20, a screw 21 and threads 22, the screw 21 is welded at the side end of the nut 20, and the threads 22 are arranged on the outer side of the screw 21. The bolt 23 comprises a nut 20, a screw 21 and threads 22, the screw 21 is welded at the side end of the nut 20, the threads 22 are arranged on the outer side of the screw 21, the bolt 23 is connected, the installation and the disassembly are convenient, and a good fastening effect is achieved.

The connecting frame 12 is provided with a first round hole 13, the connecting ring 16 is provided with a second round hole 17, the connecting rings 16 are provided with two groups, the two groups of connecting rings 16 are positioned at two sides of the connecting frame 12, and the connecting rings 16 are connected with the connecting frame 12 through screws. The connecting frame 12 is provided with a first round hole 13, the connecting ring 16 is provided with a second round hole 17, the connecting rings 16 are provided with two groups, the two groups of connecting rings 16 are positioned at two sides of the connecting frame 12, the connecting rings 16 are connected with the connecting frame 12 through screws, and the connecting rings 16 are connected with the connecting frame 12 through screws to form a folding structure, so that one sides of the first sleeve 2 and the second sleeve 3 can be turned.

The first connecting plate 14 is provided with first through holes 15, two groups of the first through holes 15 are arranged, and the bolts 23 are embedded in the first through holes 15. Be equipped with first through-hole 15 on first connecting plate 14, first through-hole 15 is equipped with two sets ofly, and bolt 23 gomphosis can play better stability in first through-hole 15, adds two sets of first through-holes 15, prevents to take place not hard up in the use.

The second connecting plate 18 is provided with second through holes 19, two groups of the second through holes 19 are arranged, and the bolts 23 are embedded in the second through holes 19. Be equipped with second through-hole 19 on second connecting plate 18, second through-hole 19 is equipped with two sets ofly, and bolt 23 gomphosis can fix first connecting plate 14 and second connecting plate 18 in second through-hole 19 and first through-hole 15, uses the bicycle messenger, can play better stability.

One side of the first collar 2 and one side of the second collar 3 are connected through a first connecting plate 14 and a second connecting plate 18, and the other side of the first collar 2 and the other side of the second collar 3 are connected through a connecting frame 12 and a connecting ring 16. Connect through bolt 23 between first connecting plate 14 and the second connecting plate 18, not hard up bolt 23 can part first connecting plate 14 and second connecting plate 18, and one side of first lantern ring 2 and second lantern ring 3 can overturn, forms folding mechanism, conveniently carries and transports well pipe.

The working principle is as follows: when the bicycle frame middle tube is used, the bottom of the upper tube body 1 is provided with the first sleeve ring 2, the bottom of the first sleeve ring 2 is connected with the second sleeve ring 3, the bottom of the second sleeve ring 3 is connected with the lower tube body 4, the bottom of the lower tube body 4 is welded with the pedal ring 5, the top of the upper tube body 1 is provided with the bottom ring 6, the top of the bottom ring 6 is provided with the compression spring 7, the top of the compression spring 7 is provided with the rubber ring 8, the rubber ring 8 has certain protection effect, the top of the rubber ring 8 is provided with the support plate 9, the top of the support plate 9 is welded with the connecting tube 10, the two sides of the connecting tube 10 are provided with the fixed blocks 11, when bumping, the pressure transmitted from the upper part of the connecting tube 10 can be transmitted to the support plate 9 through the fixed blocks 11, the support plate 9 is transmitted to the compression spring 7, the effect of shock absorption can be achieved by utilizing the elasticity of the spring, the better buffering effect is achieved, one side of the first sleeve ring 2 is provided with the connecting ring 16, the opposite side of first lantern ring 2 is equipped with second connecting plate 18, be equipped with second round hole 17 on go-between 16, be equipped with second through-hole 19 on second connecting plate 18, one side of second lantern ring 3 is equipped with link 12, the opposite side of second lantern ring 3 is equipped with first connecting plate 14, be equipped with first round hole 13 on the link 12, be equipped with first through-hole 15 on first connecting plate 14, connect through bolt 23 between first connecting plate 14 and the second connecting plate 18, pass through screw connection between go-between 16 and link 12, first lantern ring 2 and second lantern ring 3 form folding mechanism, can realize the folding of body 1 and lower body 2 through not hard up bolt 23, reduce the occupation of land space, conveniently carry and the transportation to well pipe.

The utility model relates to an upper tube body 1, a first sleeve ring 2, a second sleeve ring 3, a lower tube body 4, a pedal ring 5, a bottom ring 6, a compression spring 7, a rubber ring 8, a supporting plate 9, a connecting tube 10, a fixing block 11, a connecting frame 12, a first round hole 13, a first connecting plate 14, a first through hole 15, a connecting ring 16, a second round hole 17, a second connecting plate 18, a second through hole 19, a nut 20, a screw rod 21, threads 22 and bolts 23, which are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the utility model can be known by technical manuals or conventional experimental methods, and the utility model solves the problems that most of tubes in the bicycle frame in the existing market have no damping function, the bicycle can bump during the running process, and if no damping device is provided, bad riding experience can be brought to the riding people, and may also damage the saddle of the bicycle; most of the middle tubes of the existing bicycle frames are not provided with folding devices, and the middle tubes of the bicycles are longer, occupy larger space and have no folding function, are inconvenient to carry and transport and have certain limitations when in use, the utility model better solves the problems that most of the middle tubes of the existing bicycle frames are not provided with damping functions, the bicycles can bump during the running process, if no buffering device is provided, bad riding experience can be brought to a riding person, and bicycle saddles can be damaged by adding the compression spring, the bottom ring is arranged at the top of the upper tube body, the compression spring is arranged at the top of the bottom ring, the rubber ring is arranged at the top of the compression spring, the rubber ring has certain protection effect, the supporting plate is arranged at the top of the rubber ring, and the connecting tube at the top of the supporting plate is welded, the fixing blocks are arranged on two sides of the connecting pipe, when bumping, pressure transmitted from the upper part of the connecting pipe can be transmitted to the supporting plate through the fixing blocks, the supporting plate is transmitted to the compression spring, the effect of shock absorption can be achieved by utilizing the elasticity of the spring, and a good buffering effect is achieved when bumping occurs; the folding bicycle frame has the advantages that the folding bicycle frame well solves the problems that most of middle tubes of the existing bicycle frames are not provided with folding devices, the middle tubes of the bicycles are long, the occupied space is large, the folding bicycle frame does not have folding functions, the carrying and the transportation are inconvenient, and certain limitation exists during the use, the bottom of an upper tube body is provided with a first lantern ring, the bottom of the first lantern ring is connected with a second lantern ring, the bottom of the second lantern ring is connected with a lower tube body, one side of the first lantern ring is provided with a connecting ring, the other side of the first lantern ring is provided with a second connecting plate, one side of the second lantern ring is provided with a connecting frame, the other side of the second lantern ring is provided with a first connecting plate, the first connecting plate is connected with the second connecting plate through bolts, the connecting ring is connected with the connecting frame through screws, a folding structure is formed between the first lantern ring and the second lantern ring, the middle tubes are folded, and the middle tubes can be conveniently moved and transported, the occupied space is reduced, and the portability is better.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model 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 utility model 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 (7)

1. A middle tube of a bicycle frame is characterized in that: the pipe fitting comprises an upper pipe body (1), a first lantern ring (2), a second lantern ring (3), a lower pipe body (4) and a pedal ring (5), wherein the first lantern ring (2) is arranged at the bottom of the upper pipe body (1), the second lantern ring (3) is connected to the bottom of the first lantern ring (2), the lower pipe body (4) is connected to the bottom of the second lantern ring (3), the pedal ring (5) is welded to the bottom of the lower pipe body (4), the upper pipe body (1) is in threaded connection with the first lantern ring (2), a connecting ring (16) is arranged on one side of the first lantern ring (2), a second connecting plate (18) is arranged on the other side of the first lantern ring (2), the second lantern ring (3) is in threaded connection with the lower pipe body (4), a connecting frame (12) is arranged on one side of the second lantern ring (3), and a first connecting plate (14) is arranged on the other side of the second lantern ring (3), the first connecting plate (14) and the second connecting plate (18) are connected through bolts (23).

2. The bicycle frame center tube of claim 1, wherein: go up the top of body (1) and be equipped with end ring (6), compression spring (7) are installed at the top of end ring (6), the top of compression spring (7) is equipped with rubber ring (8), the top erection bracing dish (9) of rubber ring (8), the top welding of supporting disk (9) has connecting pipe (10), fixed block (11) are installed to the both sides of connecting pipe (10).

3. The bicycle frame center tube of claim 1, wherein: bolt (23) include nut (20), screw rod (21) and screw thread (22), the side welding of nut (20) has screw rod (21), the outside of screw rod (21) is equipped with screw thread (22).

4. The bicycle frame center tube of claim 1, wherein: the connecting frame (12) is provided with a first round hole (13), the connecting ring (16) is provided with a second round hole (17), the connecting ring (16) is provided with two groups, the two groups of connecting rings (16) are positioned at two sides of the connecting frame (12), and the connecting ring (16) is connected with the connecting frame (12) through screws.

5. The bicycle frame center tube of claim 1, wherein: the first connecting plate (14) is provided with first through holes (15), the first through holes (15) are provided with two groups, and the bolts (23) are embedded in the first through holes (15).

6. The bicycle frame center tube of claim 1, wherein: and second through holes (19) are formed in the second connecting plate (18), two groups of second through holes (19) are formed in the second connecting plate, and the bolts (23) are embedded in the second through holes (19).

7. The bicycle frame center tube of claim 1, wherein: one sides of the first lantern ring (2) and the second lantern ring (3) are connected through a first connecting plate (14) and a second connecting plate (18), and the other sides of the first lantern ring (2) and the second lantern ring (3) are connected through a connecting frame (12) and a connecting ring (16).

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