CN201056249Y

CN201056249Y - Chain protecting shell

Info

Publication number: CN201056249Y
Application number: CNU200720150481XU
Authority: CN
Inventors: 潘强
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-22
Filing date: 2007-05-22
Publication date: 2008-05-07
Anticipated expiration: 2017-05-22

Abstract

A chain-protecting shell for protecting a chain is a long trench-shaped plastic shell having a U-shaped cross section, the middle of the shell is slightly bigger and the two ends are smaller, and the shell covers the lower half part of the chain and is fixed on the frame by a fixing iron plate and screws. Upward tubers are on the two ends of the back of the shell, and a rectangular observation port is cut in the middle of the external side of the shell. The chain-protection shell can block the erosion of sediment and rain water on the chain, reducing the number of regulating the chain and prolonging the service life of the chain.

Description

Protect the chain shell

Affiliated technical field

The utility model relates to the chain protection equipment of a kind of chain protection equipment of two-wheel car, particularly two-wheeled motor vehicle.

Background technology

Now chain drive is simple and practical and be widely used in two-wheel car such as bicycle, motor bike with it, but chain is owing to be in the position of high concentration of sediment, rainwater, dust, and lubricating condition is poor, so chain is short service life.Existing chain protection equipment is tantamount to two kinds, promptly uses and partly wraps chain shell and full bag chain shell.Partly wrap the chain shell with a clamshell on the first half of chain, its device is simple, but silt, rainwater often splashes down on the latter half of chain, thereby it is undesirable to protect the chain effect.Full bag chain shell generally is wrapped chain and sprocket wheel entirely with an iron-clad, and it is more satisfactory to protect the chain effect like this, but makes full bag chain shell more complicated, and price is expensive, and iron-clad gets rusty easily, and service life is not long, repairs to safeguard and also compare difficultly, is difficult to popularization.

Summary of the invention

Partly wrap the chain shell and protect the chain effect and pay no attention to the expensive and impracticable problem of full bag chain shell of thinking of for solving, the utility model provides a kind of second bag chain shell, this partly wraps the chain shell can stop that not only silt, rainwater splash on the chain, and can reduce the dust on the chain, thereby prolongs chain service life.The technical scheme that its technical matters that solves the utility model adopts is: in the middle of two sprocket wheels, on the latter half of chain, adorn the grooved plastic housing of a cross-sectional plane for " U " type, shell nozzle is downward, covers the latter half of chain.The two ends of shell are fixed on the vehicle frame with two iron plates, and make two side clearances of chain and housing even.The silt rainwater has just dropped on the plastic housing like this, and can not fall on the chain.

The beneficial effects of the utility model are, have stopped the erosion of silt rainwater to chain, thereby have prolonged the service life of chain greatly, have reduced the frequency of regulating chain, and the plastics manufacturing of chain shell, simple and durable.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the lateral plan that protects the chain shell.

Fig. 2 is the birds-eye view that protects the chain shell.

Fig. 3 is the I---I view of Fig. 1.

1. preceding fixed iron pieces, 2. back fixed iron piece, 3. chain shell, 4. watch window, 5. Luo silk hole, 6. dash projection among the figure.

The specific embodiment:

Among Fig. 1, chain shell (3) covers on the latter half of chain, the chain shell is fixed on the after-frame of car by the Luo silk with preceding fixed iron piece (1) and back fixed iron piece (2).For preventing that the chain shake from the time knocking the chain shell, special the chain shell is designed in the middle of the less shape in big slightly two ends, promptly the back of chain shell is camber line and upwards swells, the both sides of chain shell also are camber line and outwards swell (Fig. 2).For preventing that the water on the chain shell from flowing on the chain, be provided with at the two ends, back of chain shell one high by about 0.5---1 centimetre raise up (6), be convenient degree of tightness situation of observing chain, in the middle of the lateral surface of chain shell, have an oblong watch window (4).

Claims

1. one kind is protected the chain shell, and the chain clamshell is on chain, and chain shell two ends are fixed on the vehicle frame with the Luo silk, it is characterized in that: the chain clamshell is on the latter half of chain.

2. the chain shell that protects according to claim 1 is characterized in that: protecting the chain shell is that a centre is big slightly, the plastic housing that two ends are less, and promptly the back of shell is upwards protuberance of camber line, and the two sides of shell also are camber line and swell to both sides.

3. the chain shell that protects according to claim 1 is characterized in that: the two ends, back of protecting the chain shell have 0.5-1 centimetre to raise up.

4. the chain shell that protects according to claim 1 is characterized in that: the middle oblong porthole that has of lateral surface that protects the chain shell.