CN202130547U - Bicycle frame - Google Patents

Abstract

The utility model relates to a bicycle frame without a conduit inner wire comprising a seat pipe, a front support disposed in front of the seat pipe, a front breeches pipe disposed on the front support, and a rear support disposed behind the seat pipe. The front support comprises an upper pipe and a lower pipe. The front end of the upper pipe of the front support is provided with a first inlet port, and the lower part of the seat pipe is provided with a first outlet port. The front end of the lower pipe of the front support is provided with a second inlet port, and the rear part of the upper pipe of the rear support is provided with a second outlet port. A front variable speed wire extends into the first inlet port, and a lead extends out of the first outlet port. A rear variable speed wire extends into the second inlet port, and a lead extends from the seat pipe to the upper pipe of the rear support, and then extends out of the second outlet port. Big or small inner walls of the pipes of the connection parts of various supports and the seat pipe of the bicycle frame provided in the utility model are communicated with each other to facilitate the manual operation. The variable speed wires and the braking wire can be disposed in the pipe conveniently, thereby the pulling wires can be better protected, the appearance of the bicycle is beautiful and clean, and the use as well as the maintenance is convenient.

Description

A kind of cycle frame

Technical field

The utility model relates to bicycle and technical field, specifically is the cycle frame of duct free interior lines.

Background technology

The general bicycle that uses in the daily life; Brake cable and shift cable all are the outsides at cycle frame, and be so promptly not attractive in appearance, has on the market conduit interior lines vehicle frame is seldom arranged; Brake cable and shift cable all are exposed to the vehicle frame outside; Damage easily, even the vehicle frame of interior lines is arranged, but in case has just gone bad the interior lines that prior art provides can't repair.

The utility model content

The main purpose of the utility model provides a kind of with shift cable and the brake cable cycle frame in the pipe of packing into, convenient maintenance.

The utility model solves the technical scheme that its technical matters adopted:

A kind of duct free interior lines cycle frame, it comprises:

The seat pipe, the place ahead of said seat pipe is equiped with front frame, is equiped with front fork tube on the said front frame; The rear of said seat pipe is equiped with after poppet; Said front frame comprises pipe and manages down that the front portion of going up pipe of said front frame is provided with first inlet, and the bottom that said seat is managed is provided with first outlet; The following pipe front portion of said front frame is provided with second inlet, and the rear portion of going up pipe of said after poppet is provided with second outlet;

Preceding shift cable pierces into from first inlet, and first lead-in wire that connects said preceding shift cable passes from said first outlet;

Back shift cable pierces into from said second inlet, and second lead-in wire that connects said back shift cable passes through the pipe of said after poppet and from said second outlet from said seat pipe.

Preferably, said second outlet is provided with the infundibulate guide card.

Implement the technical scheme of the utility model, have following beneficial effect: the junction pipe material inner wall size of each support of the vehicle frame that the utility model provides, seat pipe is communicated with, and is convenient to manual operation; With shift cable pack into easily the pipe in; And can be easy to release, change and repair, can the better protection backguy; Make bicycle seem attractive in appearance, clean, easy to use, and convenient maintenance.

Description of drawings

The external structure scheme drawing of the cycle frame that Fig. 1 provides for the utility model embodiment;

The structural representation of the infundibulate guide card that Fig. 2 the utility model embodiment provides;

The detailed structure scheme drawing of the cycle frame that Fig. 3 the utility model embodiment provides;

The scheme drawing of the running condition of the cycle frame that Fig. 4 provides for the utility model embodiment;

The scheme drawing of another running condition of the cycle frame that Fig. 5 provides for the utility model embodiment;

The structural representation of the seat pipe lower end of the cycle frame that Fig. 6 provides for the utility model embodiment.

The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

The utility model embodiment provides a kind of duct free interior lines cycle frame, and like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, this cycle frame comprises:

Seat pipe 120, the place ahead of said seat pipe 120 is equiped with front frame, is equiped with front fork tube 160 on the said front frame; The rear of said seat pipe 120 is equiped with after poppet 110; Said front frame comprises pipe 130 and following pipe 140, and the front portion of going up pipe 130 of said front frame is provided with first inlet 103, and the bottom of said pipe 120 is provided with first outlet 105; Following pipe 140 front portions of said front frame are provided with second inlet 104, and the rear portion of going up pipe of said after poppet 110 is provided with second outlet 101; 103, the diameter in holes such as 105 can not be too big, otherwise can influence the stability of support.

Preceding shift cable 114 pierces into from first inlet 104, and first lead-in wire 112 that connects said preceding shift cable 114 passes from said first outlet 105;

Back shift cable (brake cable after also comprising) 113 pierces into from said second inlet 103, and second lead-in wire 111 that connects said back shift cable 113 is managed 120 pipes through said after poppet 110 from said seat, and passes from said second outlet 101.

Above-mentioned lead-in wire fits inside shift cable, pulls out shift cable through lead-in wire then.

The front end of said front frame also is equiped with front fork tube 160, and handlebar pierces into this front fork tube 160 from the mouth of pipe 106 of said front fork tube 160.Pack into said from the upper orifice 102 of seat pipe 120 and manage 120 in the seat, the central axis hole 107 of said seat pipe 120 lower ends is used to be installed in the stretcher of bicycle.

In order to make said second outlet 101 be provided with infundibulate guide card 108, convenient back shift cable is directly passed this second outlet 101.

The junction pipe material inner wall size of each support of this vehicle frame, seat pipe is communicated with; Be convenient to manual operation, shift cable is packed in the pipe easily, and can be easy to release; Change and repair; Can the better protection backguy, make bicycle seem attractive in appearance, clean, easy to use, and convenient maintenance.

More than the above-mentioned preferred embodiment that is merely the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims (2)

1. a duct free interior lines cycle frame is characterized in that, comprising:

The seat pipe, the place ahead of said seat pipe is equiped with front frame, is equiped with front fork tube on the said front frame; The rear of said seat pipe is equiped with after poppet; Said front frame comprises pipe and manages down that the front portion of going up pipe of said front frame is provided with first inlet, and the bottom that said seat is managed is provided with first outlet; The following pipe front portion of said front frame is provided with second inlet, and the rear portion of going up pipe of said after poppet is provided with second outlet;

Preceding shift cable pierces into from first inlet, and first lead-in wire that connects said preceding shift cable passes from said first outlet;

Back shift cable pierces into from said second inlet, and second lead-in wire that connects said back shift cable passes through the pipe of said after poppet and from said second outlet from said seat pipe.

2. duct free interior lines cycle frame according to claim 1 is characterized in that, said second outlet is provided with the infundibulate guide card.

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