CN201547181U

CN201547181U - Automobile synchronous belt

Info

Publication number: CN201547181U
Application number: CN2009201991612U
Authority: CN
Inventors: 沈建荣
Original assignee: SHANGYU CITY BAOLAI TIMING BELTS CO Ltd
Current assignee: SHANGYU CITY BAOLAI TIMING BELTS CO Ltd
Priority date: 2009-10-22
Filing date: 2009-10-22
Publication date: 2010-08-11
Anticipated expiration: 2019-10-22

Abstract

The utility model discloses an automobile synchronous belt which comprises a rubber belt back-adhesive layer (2), a glass thread layer (3), belt tooth (4) and a stretchy nylon cloth layer (5) on the surface of a tooth surface, wherein the surface of the rubber belt back-adhesive layer is covered with a nylon bag cloth layer (1), the ratio of the thickness of the nylon bag cloth layer (1) and the thickness of the rubber belt back-adhesive layer (2) is 1:2.2-4, and the ratio of the thickness of the nylon bag cloth layer (1) and the height of the belt tooth (4) is 1:3-8. Because the rubber belt back-adhesive layer of the automobile synchronous belt is covered with the nylon bag cloth layer and selects a proper thickness between various layers, the wear resistance of an automobile synchronous belt is obviously improved, the heat resistance performance is strengthened, the circumnutating times of the synchronous belt can be increased, the tensile strength of the whole synchronous belt is increased, and the service life is prolonged.

Description

A kind of automobile synchronous belt

Technical field

The utility model relates to transmission part and makes the field, relates in particular to the synchronous band that a kind of automobile uses.

Background technique

Band is a kind of driving belt commonly used that is widely used under the multiple industrial occasions synchronously.For example: Chinese model utility 200820122388.2 discloses a kind of automobile synchronous belt, comprise the band back of the body, tyre cord, band tooth, be coated with one deck tooth top cloth on the described band tooth, described band back is coated with one deck fabric layer at least, and described fabric layer is an elastic fabric layer.

Because synchronously band is in processing and using process, inevitably will often grind, pull, mechanically actuated such as distortion, and common synchronous band in process of production, owing to be subjected to structural limitations own, its static friction coefficient, physical properties such as tensile strength are comparatively general, particularly automobile synchronous belt, it is under the situation of running up, can keep permanent working life, it is wear-resisting, heat-resistingization, anti-circumnutating, so these performances of tension just can not satisfy.

Summary of the invention

The utility model provides a kind of automobile synchronous belt of wear-resisting, heat-resistingization, is applicable to direct injection diesel engine, is anti-ly circumnutating, is also having certain raising on the performance of anti-tension in addition.

A kind of automobile synchronous belt comprises the stretchy nylon layer of cloth on the rubber tape gum layer that sets gradually, glass thread layer, band tooth and flank of tooth surface, and described rubber tape gum layer surface coverage has the nylon bag layer of cloth.

Described nylon bag layer of cloth adopts the stretchy nylon material, owing to be coated with the nylon bag layer of cloth, makes the wear-resisting property of automobile synchronous belt integral body improve significantly, and heat-resisting voltinism can be strengthened.

Moreover, as preferably, in the utility model automobile synchronous belt, the thickness of nylon bag layer of cloth is 1: 2.2～4 with the thickness ratio of rubber tape gum layer, more preferably 1: 2.8～3.2.

Select suitable nylon bag ply gage can give full play to the effect of its protection and performance improvement; the words wear-resisting property that thickness is too thin is limited; the blocked up words of thickness can make nylon bag layer of cloth inside produce stress in the automobile synchronous belt distortion; although adopt the stretchy nylon material, the tired even cracking of internal structure still can take place in long-term use.

Show that after deliberation the band tooth height is high more, the thickness of nylon bag layer of cloth also should suitably thicken, and the anti-tortuosity of automobile synchronous belt is increased, and as preferably, the thickness of nylon bag layer of cloth is 1: 3～8 with the band tooth height, and more preferably 1: 3.5～5.

Can determine with reference to the prior art relevant criterion for the thickness relationship between the stretchy nylon layer of cloth on the rubber tape gum layer except the nylon bag layer of cloth, glass thread layer, band tooth and flank of tooth surface.

The utility model automobile synchronous belt is owing to covering the nylon bag layer of cloth and selecting thickness suitable between each layer on the rubber tape gum layer, its advantage is:

1, wear-resisting property improves significantly;

2, heat-resisting voltinism can be strengthened;

3, can increase the number of times that circumnutates of band synchronously;

4, stretchy nylon material and rubber tape gum layer cohesiveencess are good, and very strong Adhesion force can be arranged, and have improved the whole tensile strength of band synchronously greatly;

Automobile car of the present utility model band synchronously is under petrol engine or all having obtained substantially improving on some direct injection diesel engines on aspect above-mentioned four in use, has prolonged the working life of synchronous band.

Description of drawings

Fig. 1 is the internal structure diagrammatic sketch of the utility model automobile synchronous belt.

Embodiment

Embodiment 1

Referring to Fig. 1, the utility model automobile synchronous belt comprises the stretchy nylon layer of cloth 5 on the rubber tape gum layer 2 that sets gradually, glass thread layer 3, band tooth 4 and flank of tooth surface, and rubber tape gum layer surface coverage has nylon bag layer of cloth 1.

The nylon bag layer of cloth adopts the stretchy nylon material, owing to be coated with the nylon bag layer of cloth, makes the wear-resisting property of automobile synchronous belt integral body improve significantly, and heat-resisting voltinism can be strengthened.

The thickness of nylon bag layer of cloth 1 is 1: 2.2 with the thickness ratio of rubber tape gum layer 2; The thickness of nylon bag layer of cloth 1 highly is 1: 3 with band tooth 4.

When the utility model automobile synchronous belt and making

1, earlier with the stretchy nylon cloth of impregnation, according to mould, the good suitable cloth tube of splicing is inserted in mould;

2, again with the glass heart yearn equably spirality ground on mould;

3, evenly paste rubber thin skin (0.5mm) several layers on the mould of heart yearn again winding again, noting end to end must opposition, can not be overlapping, and can not be incomplete;

4, the mold base that will wrap colloid is measured periphery with tape measure, makees the stretchy nylon cloth cover of an impregnation then again with periphery 0.95 size, is inserted in the mold base periphery;

5, mold base is placed on the sulfuration cylinder and presses tooth, sulfuration, cooling embryo mould, and then cutting check warehouse-in.

Embodiment 2

Adopt structure and making method among the embodiment, the thickness that difference is nylon bag layer of cloth 1 is 1: 3 with the thickness ratio of rubber tape gum layer 2; The thickness of nylon bag layer of cloth 1 highly is 1: 4 with band tooth 4.

The utility model automobile synchronous belt is through testing property, and the mill performance improves significantly, heat-resisting voltinism can be strengthened, and can increase the number of times that circumnutates; Also improved the whole tensile strength of band synchronously.

Claims

1. automobile synchronous belt comprises the stretchy nylon layer of cloth (5) on the rubber tape gum layer (2), glass thread layer (3), band tooth (4) and the flank of tooth surface that set gradually, and it is characterized in that: described rubber tape gum layer surface coverage has nylon bag layer of cloth (1).

2. automobile synchronous belt as claimed in claim 1 is characterized in that: the thickness ratio of the thickness of described nylon bag layer of cloth (1) and rubber tape gum layer (2) is 1: 2.2～4.

3. automobile synchronous belt as claimed in claim 2 is characterized in that: the thickness ratio of the thickness of described nylon bag layer of cloth (1) and rubber tape gum layer (2) is 1: 2.8～3.2.

4. automobile synchronous belt as claimed in claim 1 is characterized in that: the thickness of described nylon bag layer of cloth (1) is 1: 3～8 with band tooth (4) aspect ratio.

5. automobile synchronous belt as claimed in claim 4 is characterized in that: the thickness of described nylon bag layer of cloth (1) is 1: 3.5～5 with band tooth (4) aspect ratio.