CN2556101Y

CN2556101Y - Slack adjuster for damping saddle tube of bicycle

Info

Publication number: CN2556101Y
Application number: CN 02218014
Authority: CN
Inventors: 张武松
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-07
Filing date: 2002-06-07
Publication date: 2003-06-18
Anticipated expiration: 2012-06-07

Abstract

The utility model discloses a distance-adjusting device for a vibrating proof of a bicycle; a loosing proof positioning component and an adjustable vibrating proof component are arranged on a seat tube of the bicycle; the seat tube is used for assembling and connecting a seat pillow; the loosing proof positioning component is used for preventing the seat pillow from shaking and loosing; the adjustable vibrating proof component has the functions for preventing vibration and is convenient to adjust the height for the seat pillow. The loosing proof positioning component comprises a positioning axostyle, a connecting sleeve, a positioning ringer, a positioning block and a fixing cover; the positioning axostyle can be fixed after passing through the positioning ringer and the connecting sleeve; the gap can be adjusted when using torsion or being in abrasion.

Description

Automatic shock-proof seat pipe adjustable clearance device

Technical field

The utility model relates to a kind of automatic shock-proof seat pipe, particularly a kind of automatic shock-proof seat pipe adjustable clearance device.

Background technology

By prior art as can be known, when its seat cushion of Regular Bicycle is installed on the bicycle,, therefore, tend to produce following three disappearances because all be cylindrical structure in order to the extension bar that is connected this seat cushion and bicycle saddle tube:

1. when this extension bar is inserted in seat pipe internal fixation, if bicycle vibrations or other factors and cause the loosening words of extension bar, therefore then seat cushion also contains and produces forward and backward loosening, even the situation (as shown in Figure 5) that has non-directional to rotate, so, not only cause the discomfort of taking, the safety when more influence drives;

2. in the adjustment of bench height, when if seat cushion must be adjusted height, an if people's words, hand adjustment bed rearrangement bed hedgehopping degree mostly, the another hand imposes the action of locking, but, not only time-consuming, the effort of this adjustment action, and because in the height adjustment process, seat cushion also can be circumferential turn, and causes the user to adjust the inconvenience of seat cushion more;

3. on shock-proof effect, managing when going up because the Regular Bicycle seat cushion is fixed in seat, is the assembling and positioning structure that is rigidity, though Regular Bicycle possesses anti-vibration structure is arranged, but, because the rider takes on seat cushion, so, when if bicycle bears vibrations, the strength of these vibrations often directly is passed to the rider by seat cushion, and still allows the rider experience bigger jarring forces, for the comfort that drives, certain influence is still arranged, and improved necessity is in addition arranged.

Summary of the invention

The purpose of this utility model is to overcome the defective of above-mentioned prior art, and a kind of automatic shock-proof seat pipe adjustable clearance device is provided.

The purpose of this utility model is achieved in that a kind of automatic shock-proof seat pipe adjustable clearance device, it is characterized in that a locking positioning component and being set respectively adjusting anti-vibration component on the seat pipe of bicycle use with the winding seat cushion;

This locking positioning component includes a location axostylus axostyle, pipe connects cover, positioning ring, locating piece and fixed cap, wherein:

This fix shaft leverage one round bar, its two relative outer peripheral face is cut and is provided with a stationary plane, and general rectangular body, its biend place is drilled with a screw respectively, and the joint chair pin of an end and winding seat cushion is solid;

This pipe connects cover inner edge hollow, and spiral shell is located at this pipe to end place that should seat cushion, and one end inner edge is formed with a polygonal seat, and forms two radially screws that connect this polygonal seat in its outer peripheral face appropriate location;

This positioning ring be to should be polygonal the structure kenel of seat, just can be located in this polygonal seat, its inner rim is formed with middle through hole that should fix shaft bar square type shape, the outer peripheral face appropriate location then forms the accommodation space of a ㄈ font, this locating piece is wherein ccontaining, between this accommodation space and the middle through hole, and be formed with and cut open logical structure, and rubber-like is transferred the space;

This locating piece is a square piece sheet, is arranged in this accommodation space;

This fixed block spiral shell is located at the end that this pipe connects cover, and solid this positioning ring of lid and locating piece;

This adjust anti-vibration component by an elastic body, standing screw and fixedly the spiral shell piece form, wherein:

This elastic body is a compression spring;

This standing screw one end has the head that is convex, and end forms a hexagon prism in addition;

Should be fixedly spiral shell piece inner edge be formed with the hexagon ring seat, outer peripheral face is equipped with thread segment, but proper spiral shell be located at that this pipe installs this location axostylus axostyle hold inner edge in addition;

This hexagon prism is inserted in this hexagon ring seat, and this standing screw overhead is in this fixedly on the spiral shell piece, and these elastic body two ends are connected to the head place of this fix shaft rod end surface and standing screw respectively;

This pipe connects in the radially screw of cover and is provided with some screw rods;

Holding in addition of this location axostylus axostyle promptly supplies the end of this elastic body contact, goes back the intrinsic pad of spiral shell.

Positive progressive effect of the present utility model is:

Can make certain being positioned on the bicycle of seat cushion, with the situation of avoiding Ren Yisong to shake.

Can make the adjustment of bench height have more convenience and steadiness.

Can make the function that seat cushion possesses shock-absorbing.

Description of drawings

Fig. 1 is a combination schematic appearance of the present utility model.

Fig. 2 is a perspective exploded view of the present utility model.

Fig. 3 is a combination generalized section of the present utility model.

Fig. 4 is an application implementation illustration of the present utility model.

Fig. 5 is a schematic appearance of commonly using creation.

The specific embodiment

Please consult Fig. 1 earlier to shown in Figure 4, the utility model automatic shock-proof seat pipe adjustable clearance device, it comprises a seat cushion 10, a seat pipe 20 in order to this seat cushion 10 of winding, and a locking positioning component 30 and adjustment anti-vibration component 40, wherein:

This pipe 20 is located on the bicycle, and inner edge hollow is used for this locking positioning component 30 and adjust anti-vibration component 40 to be provided with wherein.

This locking positioning component 30 includes a location axostylus axostyle 31, pipe connects cover 32, positioning ring 33, locating piece 34 and fixed cap 35, wherein:

This location axostylus axostyle 31 is a round bar, and its two relative outer peripheral face is cut and is provided with a stationary plane 311, and general rectangular body, and its biend place is drilled with a screw 312, one ends respectively, and to be available for joint chair 51 pin of winding seat cushion 10 solid.

This pipe connects cover 32 inner edge hollows, and spiral shell is located at the end place that 20 pairs of this pipes should seat cushion 10, and one end inner edge is formed with a polygonal seat 321, and forms two radially screws 322 that connect this polygonal seat 321 in its outer peripheral face appropriate location.

This positioning ring 33 be to should be polygonal the structure kenel of seat 321, just can be located in this polygonal seat 321, its inner rim is formed with middle through hole 331 that should fix shaft bar 31 square type shapes, the outer peripheral face appropriate location then forms the accommodation space 332 of a ㄈ font, just can put for this locating piece 34 visitors, between this accommodation space 332 and the middle through hole 331, and be formed with and cut open logical structure, and rubber-like is transferred the space.

This locating piece 34 is a square piece sheet, when being arranged in this accommodation space 332, and can be because of this positioning ring 33 of stressed packing.

These fixed block 35 spiral shells are located at the end that this pipe connects cover 32, in order to cover solid this positioning ring 33 and locating piece 34.

This adjust anti-vibration component 40 by an elastic body 41, standing screw 42 and fixedly spiral shell piece 43 form, wherein:

This elastic body 41 is a compression spring.

These standing screw 42 1 ends have the head 421 that is convex, and end forms a hexagon prism 422 in addition.

Should be fixedly spiral shell piece 43 inner edges be formed with hexagon ring seat 431, outer peripheral face is equipped with thread segment 432, but just spiral shell be located at that this pipe 20 installs these location axostylus axostyles 31 hold inner edge in addition.

Utilize this hexagon prism 422 to be inserted in this hexagon ring seat 431, make these standing screw 42 overheads in this fixedly on the spiral shell piece 43, and then make these elastic body 41 2 ends be connected to this location axostylus axostyle 31 end faces respectively, with head 421 places of standing screw 42, pull and push up the elastic force of this location axostylus axostyle 31 and in this pipe 20, produce one.

When covering this pipe, these location axostylus axostyle 31 1 ends connect cover 32 and when being placed in this pipe 20 with positioning ring 33, can utilize screw rod 52 to be screwed into this pipe connects in cover 32 the radially screw 322, to push against this fixed block 35, make this positioning ring 33 tighten this location axostylus axostyle 31 because of being subjected to fixed block 35 packings, because this location axostylus axostyle 31 is subjected to the restriction of this positioning ring 33, therefore, even some is loosening on fixing, be fixed in the situation that seat cushion 10 on this location axostylus axostyle 31 does not still have any turn.

Moreover, when adjusting seat cushion 10 height, the user only must slightly unscrew the screw rod 52 of fixing this location axostylus axostyle 31, this seat cushion 10 just can delay on the silk ribbon attached to an official seal or a medal because of the pushing tow of elastic body 41 and moves, and seat cushion 10 also can turn therefore and arbitrarily, the not only adjustment of convenient height, fixing, simultaneously, because this elastic body 41 1 ends system directly is connected to this location axostylus axostyle 31 end faces, so when the jarring forces that bicycle bore conducted to seat cushion 10 places, this elastic body 41 also can absorb bigger jarring forces, and reach the effect of shock-absorbing, what must further specify is that this location axostylus axostyle 31 is end in addition, promptly supplies the end of these elastic body 41 contacts, also but spiral shell is consolidated a pad 53, to increase the area of elastic body 41 butts.

Claims

1. an automatic shock-proof seat pipe adjustable clearance device is characterized in that a locking positioning component and being set respectively adjusting anti-vibration component on the seat pipe of bicycle use with the winding seat cushion.

2. automatic shock-proof seat pipe adjustable clearance device according to claim 1 is characterized in that:

This fixed block spiral shell is located at the end that this pipe connects cover, and solid this positioning ring of lid and locating piece.

3. automatic shock-proof seat pipe adjustable clearance device according to claim 1 is characterized in that:

This elastic body is a compression spring;

This hexagon prism is inserted in this hexagon ring seat, and this standing screw overhead is in this fixedly on the spiral shell piece, and these elastic body two ends are connected to the head place of this fix shaft rod end surface and standing screw respectively.

4. automatic shock-proof seat pipe adjustable clearance device according to claim 2 is characterized in that this pipe connects in the radially screw of cover to be provided with some screw rods.

5. according to claim 2 or 3 described automatic shock-proof seat pipe adjustable clearance devices, it is characterized in that the end in addition of this location axostylus axostyle, promptly supply the end of this elastic body contact, go back the intrinsic pad of spiral shell.