CN201002654Y

CN201002654Y - Saddle pipe fixing mechanism for bicycle

Info

Publication number: CN201002654Y
Application number: CNU2007200949360U
Authority: CN
Inventors: 王荣生
Original assignee: TIANJIN JIKONG DARKHORSE BICYCLE CO Ltd
Current assignee: TIANJIN JIKONG DARKHORSE BICYCLE CO Ltd
Priority date: 2007-01-12
Filing date: 2007-01-12
Publication date: 2008-01-09
Anticipated expiration: 2017-01-12

Abstract

The utility model relates to a bicycle saddle tube fixing mechanism, which is characterized in that it is composed of a pedestal, a pushing block and a fastening bolt installed between upper end of a frame tube inner wall and outer wall of a saddle. Shape of the pedestal matches with a cavity between the upper end of the frame tube inner wall and outer wall of the saddle tube. A top surface is clipped on upper end of the frame median tube with a through groove of uptilting slope in the middle and the opening faces towards the saddle tube and has a cell wall of uptilting slope; the pushing block matched with the size and shape of the through groove is embedded in the through groove in clearance fit; a bolt through hole is opened from top surface to the subface of the pedestal and a fastening bolt of clearance fit with the bolt through hole is inserted into the hole and is of threaded connection with the pushing block. Available effects of the utility model are that the deformation will not be generated in the frame median tube and no damage to the structure or the overlay will be caused. The entire car is concise and esthetic in appearance. Tubing with different cross-sectional shapes are adopted to enhance the strength and entire car performance as well as to form diversified appearances so as to meet the personalization requirement of the market.

Description

The bicycle saddle pipe fixed mechanism

Technical field

The utility model relates to a kind of bicycle assembly parts, relates in particular to a kind of bicycle saddle pipe fixed mechanism.

Background technology

At present, on bicycle, fixing general in the saddle pipe of supporting seat and the vehicle frame between the pipe adopts in the vehicle frame of tube wall fluting pipe external stability that the saddle pipe folder is installed and carries out fastening structure with bolt, nut or quick detach mechanism and manage outer cover tubulature bundle and carry out fastening structure by bolt, nut or quick detach mechanism in the vehicle frame of fluting.The principle of work of these two kinds of structures be by from the outside to vehicle frame pipe apply squeese pressure and make it produce distortion, clamp saddle pipe and prevent that it from jumping and realize the firm fixation purpose thereby internal diameter diminishes to reach.Although this to reach fastening mode fastness by pipe distortion in the vehicle frame better, its major defect is: (1) because long-time the clamping, makes easily that pipe produces permanent deformation in the vehicle frame, causes material physical property to change, and causes member to damage; (2) external force is crossed ambassador's tube-surface overlay and is destroyed, and influence outward appearance and reaches protection to part; (3) adopt existing structure, pipe must adopt the round section consistent with saddle pipe in the vehicle frame, when pipe has the specific intensity requirement to change planform in to vehicle frame, and incompatibility then; (4) this fixed mechanism is exposed to the car body outside face, makes the contour structures of bicycle show numerous and diverse, not attractive in appearance.

The utility model content

Main purpose of the present utility model is to provide a kind of at the problems referred to above and do not make in the cycle frame pipe produce distortion, do not destroy its coat, and can adapt to the specific intensity requirement and adopt multiple cross sectional shape and make the simple and direct bicycle saddle pipe fixed mechanism attractive in appearance of car body profile.

The technical scheme that its technical matters that solves the utility model adopts is:

A kind of bicycle saddle pipe fixed mechanism, it is characterized in that forming by being arranged in the vehicle frame pedestal, pushing block and the binding bolt between the inside pipe wall upper end and saddle pipe outer wall, lacuna in the profile of pedestal and the vehicle frame between inside pipe wall upper end and the saddle pipe outer wall is complementary, and pack in this lacuna with free-running fit, its end face card is managed the upper surface along being installed in the vehicle frame, its middle part is provided with opening towards saddle pipe and to go up cell wall be the horizontal groove on inclined-plane of being inclined upwardly; Be inlaid in the groove with free-running fit with the pushing block of groove size shape coupling; Vertically have bolt hole to the bottom surface from base top surface, one is threaded with the binding bolt inserting bolt through hole of bolt hole free-running fit and with pushing block.

The beneficial effects of the utility model are: owing to provide the bicycle saddle pipe fixed mechanism of being made up of pedestal, pushing block and binding bolt that is installed in the vehicle frame between the inside pipe wall upper end and saddle pipe outer wall, the fastening force that bolt is downward is converted into the pressure of pushing block to saddle pipe, fixed, pipe does not produce distortion in the vehicle frame, physical characteristics of materials does not change, and structure does not have damage; The tube-surface overlay does not have damage in the vehicle frame, has protected its performance and outward appearance; The car load profile is simple and direct attractive in appearance; Especially,, can adopt the tubing of multiple cross sectional shape, improve intensity and vehicle performance, and form diversified outward appearance, further satisfy the personalized requirement in market at the situation that pipe in the vehicle frame is had the specific intensity requirement.

Description of drawings

Fig. 1 is a main TV structure scheme drawing of the present utility model;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is an installation application structure scheme drawing of the present utility model;

Fig. 4 is the birds-eye view of Fig. 3.

Below in conjunction with drawings and Examples the utility model is described in detail.

The specific embodiment

Fig. 1 is a main TV structure scheme drawing of the present utility model; Fig. 2 is the birds-eye view of Fig. 1; Fig. 3 is an installation application structure scheme drawing of the present utility model; Fig. 4 is the birds-eye view of Fig. 3.As Fig. 1～shown in Figure 4, provide a kind of bicycle saddle pipe fixed mechanism and the installation between middle pipe and saddle pipe thereof and used signal, it is characterized in that forming by being arranged at pedestal 1, pushing block 3 and the binding bolt 5 of managing between 8 inwall upper ends and saddle pipe 7 outer walls in the vehicle frame, lacuna in the profile of pedestal 1 and the vehicle frame between pipe 8 inwall upper ends and saddle pipe 7 outer walls is complementary, and pack in this lacuna with free-running fit, its end face card is installed in the vehicle frame pipe 8 upper surfaces along 2, and pedestal 1 middle part is provided with opening towards saddle pipe 7 and to go up cell wall be the horizontal groove 4 on inclined-plane of being inclined upwardly; Be inlaid in the groove 4 with free-running fit with the pushing block 3 of groove 4 size shape coupling; Vertically have bolt hole 6 to the bottom surface from pedestal 1 end face, be threaded with the binding bolt 5 inserting bolt through holes 6 of bolt hole 6 free-running fits and with pushing block 3.The material of pedestal 1 and pushing block 3 is a metallic material, as aluminum alloy, steel etc.In the present embodiment, the cross sectional shape of pipe 8 is a water droplet shape in the vehicle frame, and its intensity is higher than round section tubing, and modern design is attractive in appearance.

Application of the present utility model and principle of work are as follows: referring to Fig. 3, the bicycle saddle pipe fixed mechanism that at first the utility model is provided is managed 8 ends and is inserted in the lacuna of managing in the vehicle frame between 8 inwall ends and saddle pipe 7 outer walls from vehicle frame, and be installed in the vehicle frame pipe 8 upper surfaces along 2 by its card, because be free-running fit, pipe 8 and 7 of saddle pipes are possessed the gap in this bicycle saddle pipe fixed mechanism and the vehicle frame, be screwed into binding bolt 5 downwards by bolt hole 6, owing to be threaded between binding bolt 5 and the pushing block 3, so with groove 4 size shape coupling and be inlaid in pushing block 3 in the groove 4 with free-running fit and move up along with binding bolt 5 times is stubborn and be close to no gap until the inclined-plane of the groove 4 of end face and pedestal 1; At this moment, tighten fixing bolt 5 under continuing, because binding bolt 5 is free-running fits with bolt hole 6, so moving and lean out pedestal 1 along the inclined-plane to groove 4 notch directions, pushing block 3 drive binding bolts 5 are pressed on saddle pipe 7 outer walls, saddle pipe 7 is fastened in the vehicle frame manages in 8.The utility model is converted into the pressure of 3 pairs of saddle pipes 7 of pushing block with binding bolt 5 downward fastening forces, and is fixed, and pipe 8 does not produce distortion in the vehicle frame, and physical characteristics of materials does not change, and structure does not have damage; Pipe 8 surface coating layers do not have damage in the vehicle frame, have protected tube body performance and outward appearance; The car load profile is simple and direct attractive in appearance.Especially,, can adopt the tubing of multiple cross sectional shape, improve vehicle performance, and form diversified outward appearance, further satisfy the personalized requirement in market at the situation that pipe 1 in the vehicle frame is had the specific intensity requirement.

Claims

1, a kind of bicycle saddle pipe fixed mechanism, it is characterized in that forming by being arranged in the vehicle frame pedestal, pushing block and the binding bolt between the inside pipe wall upper end and saddle pipe outer wall, lacuna in the profile of pedestal and the vehicle frame between inside pipe wall upper end and the saddle pipe outer wall is complementary, and pack in this lacuna with free-running fit, its end face card is managed the upper surface along being installed in the vehicle frame, its middle part is provided with opening towards saddle pipe and to go up cell wall be the horizontal groove on inclined-plane of being inclined upwardly; Be inlaid in the groove with free-running fit with the pushing block of groove size shape coupling; Vertically have bolt hole to the bottom surface from base top surface, one is threaded with the binding bolt inserting bolt through hole of bolt hole free-running fit and with pushing block.