CN214397041U

CN214397041U - High-strength steel-plastic sleeve

Info

Publication number: CN214397041U
Application number: CN202120528110.0U
Authority: CN
Inventors: 曾磊; 张兴龙
Original assignee: Jiangyin Jiuan Automobile Co ltd
Current assignee: Jiangyin Jiuan Automobile Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-15
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to a bicycle spare part's field specifically is a sleeve pipe is moulded to high strength steel, and it includes the steel wire, and the steel wire overcoat is equipped with outer plastic tubing, and outer plastic tubing overcoat is equipped with the protective sheath, can dismantle between protective sheath and the outer plastic tubing to be connected, is provided with the sand grip on the inner wall of outer plastic tubing, is provided with a plurality of balls on the sand grip. This application has the protection of strengthening steel to steel plastic sleeve, improves the effect of steel plastic sleeve's intensity, and the friction between the reducible steel wire of setting up of sand grip and ball and the outer plastic tubing has the effect that sleeve life is moulded to extension steel.

Description

High-strength steel-plastic sleeve

Technical Field

The application relates to the technical field of bicycle parts, in particular to a high-strength steel-plastic sleeve.

Background

The bicycle brake system comprises accessories such as a brake handle, a brake cable and a brake clamp, wherein the brake cable plays an extremely important role, the brake cable comprises parts such as a sleeve, a connecting sleeve, a nut, an external threaded pipe and a plug, the sleeve is used as a main part of the brake cable, and the strength of the sleeve directly influences the driving safety.

Chinese patent No. CN104595344A specifically discloses a brake cable, which comprises a sleeve and a steel wire, wherein the steel wire is arranged in the sleeve and is formed by winding a plurality of steel wires.

Aiming at the related technologies, the inventor thinks that the outer sleeve pipe is directly exposed outside and can crack or be damaged after long-time wind blowing and sun drying, so that the strength of the steel-plastic sleeve pipe is reduced, and the steel-plastic sleeve pipe cannot be well protected.

SUMMERY OF THE UTILITY MODEL

In order to improve the intensity of steel plastic sleeve pipe, this application provides a sleeve pipe is moulded to high strength steel.

The application provides a sleeve pipe is moulded to high strength steel adopts following technical scheme:

the high-strength steel-plastic sleeve comprises a steel wire, wherein an outer plastic pipe is sleeved outside the steel wire, and a protective sleeve is sleeved outside the outer plastic pipe.

Through adopting above-mentioned technical scheme, the protective sheath cover is established outside outer plastic tubing, can avoid outer plastic tubing directly to expose outside, has played better guard action to steel plastic sleeve pipe, can reduce the possibility that outer plastic tubing damaged under the circumstances such as solarization, has improved steel plastic sleeve pipe's intensity.

Optionally, the outer layer of the protective sleeve is provided with a waterproof layer.

Through adopting above-mentioned technical scheme, the setting of waterproof layer can prevent to be in the humid state for a long time because precipitation leads to the protective sheath, has reduced the protective sheath and has taken place the possibility of rotting, and then has prolonged the life of protective sheath.

Optionally, the protective sleeve is detachably sleeved outside the outer plastic pipe.

Through adopting above-mentioned technical scheme, when the protective sheath takes place to damage, the user can directly with the protective sheath pull down trade new can, both made things convenient for user's operation can be timely again play better guard action to external plastic tubing, guarantee to steel plastic casing's guard action.

Optionally, two ends of the protective sleeve in the circumferential direction are provided with extending edges, one of the extending edges is provided with a hook layer, the other extending edge is provided with a flannelette layer, and the protective sleeve is bonded with the flannelette layer through the hook layer.

Through adopting above-mentioned technical scheme, when dismantling the protective sheath, only need tear couple layer on the protective sheath and flannelette layer and can dismantle, when installing the protective sheath, only need with on the protective sheath couple layer press closely with the flannelette layer bond can, easy and simple to handle.

Optionally, an inner plastic pipe is arranged in the outer plastic pipe, and the steel wire is wound on the inner plastic pipe.

Through adopting above-mentioned technical scheme, the setting of interior plastic tubing plays the effect that the steel wire supported, and simultaneously, the steel wire passes through winding mode winding including on the plastic tubing, is different from the form that traditional steel wire straight line set up, can reduce the steel wire because tensile stress that produces at the brake in-process, has prolonged the life of steel wire.

Optionally, the inner wall of the outer plastic pipe is provided with a convex strip along the length direction.

Through adopting above-mentioned technical scheme, the area of contact between steel wire and the outer plastic tubing can be reduced in setting up of sand grip, reduces the steel wire in the use and the frictional force between the outer plastic tubing.

Optionally, a plurality of balls are arranged on the raised lines.

Through adopting above-mentioned technical scheme, because the steel wire can take place relative displacement between the in-process of using and the outer plastic tubing, the setting up of ball has realized being the point contact between steel wire and the outer plastic tubing, and the ball is rotatable, has further reduced the frictional force between steel wire and the outer plastic tubing.

Optionally, an oil filling nozzle for filling lubricating oil is arranged on the outer wall of the outer plastic pipe.

Through adopting above-mentioned technical scheme, the user is when using, and smooth and easy rotation of ball is guaranteed to the intraductal filling lubricating oil of outside plastic of accessible oiling mouth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the protective sleeve is sleeved outside the outer plastic pipe, so that the outer plastic pipe can be prevented from being directly exposed outside, a better protective effect is achieved on the steel-plastic sleeve, the possibility that the outer plastic pipe is damaged in the sun and the like can be reduced, and the strength of the steel-plastic sleeve is improved;

2. the inner plastic pipe is provided with the steel wire to play a supporting role, and meanwhile, the steel wire is wound on the inner plastic pipe in a winding mode, so that the steel wire is different from the traditional steel wire linear arrangement mode, the stress generated by stretching of the steel wire in the braking process can be reduced, and the service life of the steel wire is prolonged;

3. because the steel wire can take place relative displacement between the in-process of using and the outer plastic tubing, the setting up of ball has realized being the point contact between steel wire and the outer plastic tubing, and the ball is rotatable, has further reduced the frictional force between steel wire and the outer plastic tubing.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-strength steel-plastic casing.

Fig. 2 is a schematic diagram of an explosive structure of a high-strength steel-plastic casing.

Fig. 3 is a schematic diagram for embodying the structure of the protective sheath.

FIG. 4 is a schematic diagram for embodying an outer plastic tube structure

Description of reference numerals: 1. an outer plastic tube; 2. a steel wire; 3. an inner plastic tube; 4. a protective sleeve; 41. a hook layer; 42. a flannelette layer; 5. a convex strip; 6. a ball bearing; 7. an oil injection nozzle; 8. and a waterproof layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses sleeve pipe is moulded to high strength steel.

Referring to fig. 1 and 2, the high-strength steel-plastic sleeve comprises an inner plastic pipe 3, a steel wire 2 is wound on the inner plastic pipe 3, an outer plastic pipe 1 is sleeved outside the steel wire 2, and a protective sleeve 4 is sleeved outside the outer plastic pipe 1.

Referring to fig. 1 and 2, steel wire 2 is through the armoring machine winding on plastic tubing 3 including, be different from traditional steel wire 2 and be the linearity and set up in outer plastic tubing 1, and steel wire 2 that the winding set up can reduce the tensile stress to steel wire 2 when using, and then the life of extension steel wire 2, and simultaneously, the setting of protective sheath 4 can prevent that outer plastic tubing 1 from directly exposing outside, prevents to accelerate outer plastic tubing 1's damage because of reasons such as solarization, has improved the sheathed tube intensity of steel.

Referring to fig. 3, protective sheath 4 can be dismantled with outer plastic tubing 1 and be connected, protective sheath 4 adopts the form cover of magic subsides to establish outside plastic tubing 1, protective sheath 4 all is provided with along its circumferencial direction's both ends and prolongs the limit, and one of them is provided with couple layer 41 on prolonging the limit, and another is provided with flannelette layer 42 on prolonging the limit, and protective sheath 4 bonds mutually with flannelette layer 42 through couple layer 41, is provided with waterproof layer 8 on protective sheath 4's the skin, and waterproof layer 8 adopts materials such as plastics to make.

Referring to fig. 3, when the user detaches the protective sheath 4, the user only needs to tear the hook layer 41 of the protective sheath 4 and the flannelette layer 42 to detach the protective sheath 4, and only needs to attach the hook layer 41 and the flannelette layer 42 to press during installation, so that the installation of the protective sheath 4 can be completed. The protective sheath 4 adopts materials such as cloth to make, can play the guard action to outer plastic tubing 1, simultaneously because the cloth material is comparatively soft, can reduce the damage to outer plastic tubing 1. Meanwhile, the waterproof layer 8 is arranged to prevent the protective sleeve 4 from being in a wet state for a long time due to rain and other reasons, so that the possibility of corrosion of the protective sleeve 4 is reduced, and the service life of the protective sleeve 4 is prolonged.

Referring to fig. 4, a plurality of convex strips 5 are fixedly arranged on the inner wall of the outer plastic pipe 1 along the length direction of the inner wall at equal intervals, the convex strips 5 and the outer plastic pipe 1 are integrally formed, a plurality of balls 6 are arranged on each convex strip 5 at equal intervals, and one end of the outer wall of the outer plastic pipe 1 is fixedly connected with an oil nozzle 7 for filling lubricating oil.

Referring to fig. 4, when the bicycle is braked, relative motion takes place between steel wire 2 can and the outer plastic tubing 1, and the friction between steel wire 2 and the outer plastic tubing 1 can be reduced in setting up of sand grip 5 and ball 6 to reduce the damage of steel wire 2 to outer plastic tubing 1, when the oiling, the user only need through syringe etc. through the interior oiling of nozzle 7 in to outer plastic tubing 1 can.

The implementation principle of this application embodiment a high strength steel-plastic sleeve is: the steel wire 2 is wound on the inner plastic pipe 3 through the armoring machine, the outer plastic pipe 1 is sleeved outside the steel wire 2, and the protective sleeve 4 which plays a role in protecting the outer plastic pipe 1 is sleeved outside the outer plastic pipe 1. Protective sheath 4 can be dismantled with outer plastic tubing 1 and be connected, and the user only needs to tear protective sheath 4's couple layer 41 and flannelette layer 42 and tear and to dismantle when dismantling protective sheath 4, only needs during the installation to press down the installation that protective sheath 4 can be accomplished with couple layer 41 and flannelette layer 42 laminating. Be provided with many sand grips 5 on the inner wall of outer plastic tubing 1, all be provided with a plurality of balls 6 on every sand grip 5, and the outer wall one end of outer plastic tubing 1 is provided with oiling mouth 7 that is used for filling lubricating oil, and the user can use syringe etc. to go up the filling lubricating oil in the outer plastic tubing 1 through oiling mouth 7, and the setting of ball 6 can reduce steel wire 2 in the use and the friction between outer plastic tubing 1, increase of service life.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sleeve pipe is moulded to high strength steel, includes steel wire (2), steel wire (2) overcoat is equipped with outer plastic tubing (1), its characterized in that: and a protective sleeve (4) is sleeved outside the outer plastic pipe (1).

2. A high strength steel plastic sleeve according to claim 1, wherein: and a waterproof layer (8) is arranged on the outer layer of the protective sleeve (4).

3. A high strength steel-plastic sleeve according to claim 2, wherein: the protective sleeve (4) is detachably sleeved outside the outer plastic pipe (1).

4. A high strength steel plastic sleeve according to claim 3, wherein: the protective sleeve (4) is characterized in that two ends of the protective sleeve (4) in the circumferential direction are provided with extending edges, one extending edge is provided with a hook layer (41), the other extending edge is provided with a flannelette layer (42), and the protective sleeve (4) is bonded with the flannelette layer (42) through the hook layer (41).

5. A high strength steel plastic sleeve according to claim 1, wherein: an inner plastic pipe (3) is arranged in the outer plastic pipe (1), and the steel wire (2) is wound on the inner plastic pipe (3).

6. A high strength steel-plastic sleeve according to claim 5, characterized in that: the inner wall of the outer plastic pipe (1) is provided with a convex strip (5) along the length direction.

7. A high strength steel-plastic sleeve according to claim 6, wherein: the convex strips (5) are provided with a plurality of balls (6).

8. A high strength steel plastic sleeve according to claim 7, wherein: and an oil injection nozzle (7) for injecting lubricating oil is arranged on the outer wall of the outer plastic pipe (1).