CN85204988U

CN85204988U - Freeze-proof low pressure fuel feed line assembly

Info

Publication number: CN85204988U
Application number: CN 85204988
Authority: CN
Inventors: 韩德辅
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-11-23
Filing date: 1985-11-23
Publication date: 1986-12-17

Abstract

The utility model relates to an improvement for the fuel feeding device of the vehicle. The utility model has a specially pronounced effect on the freezing prevention of the fuel supply of the diesel oil vehicle in winter, and adopts the method of electrothermic local temperature rise to suck the diesel oil from a fuel tank. The heating and thermal insulation of an outer fuel feeding pipe can guarantee that the diesel oil with the oil temperature of more than 20 DEG C is continuously sent into an oil pump. The utility model can be designed into a low pressure freezing-proof pipe assembly. When the automobile needs improvement, only the low pressure oil pipe needs changing without adding other parts. By adopting the utility model, the No. 0 diesel oil can be used in the frozen winter, and the oil consumption can be reduced by 5%. Thus, the utility model is an ideal device for heating the fuel.

Description

Freeze-proof low pressure fuel feed line assembly

The utility model belongs to the improvement of fuel supply device in the vehicle, particularly to the improvement of diesel car feed apparatus.

For the automobile of combustion diesel oil, enter winter and face diesel oil and solidify, the delivery line blocking problem promptly is to use diesel oil-No. 20, and similar problem is also often arranged when temperature is low.For guaranteeing that automobile normally moves, the existing method that generally adopts is the waste water preheating, or the circulating water preheating.Obviously can solve some problems, but exist following shortcoming: (1) complex structure, vehicle refitting gets up pretty troublesome.(2) only after starting, car just works, must be roasting before starting with fire, and operation has danger.(3) the antifreeze problem of oil pipe between can't solving from the fuel tank to the oil pump.In view of above shortcoming, above scheme is difficult to promote.Thereby to the domestic automobile that does not have special-purpose heat riser in a large number, winter, oil circuit antifreezely really was not resolved yet.

The purpose of this utility model is that a kind of repacking of design is convenient, uses simply, and the defroster of energy efficient makes in the winter of severe cold and the range of use of diesel oil can be expanded to-No. 10 or No. 0 oil.

This defroster adopts the method that heating wire heats up to reach antifreeze purpose, for preventing the design plan of the excessive employing of power consumption by maximum oil transportation amount local heating and the continuous heat tracing of outer transport pipe.

How further specify the purpose of this utility model below in conjunction with accompanying drawing realizes.

Fig. 1 is the oil suction pipe structural representation.

Fig. 2 is outer transport pipe structural representation.

Fig. 3 is heating wire winding electrical schematic diagram.

All device is divided into two parts, and one is for inserting fuel sucking pipe (B) and pipe joint (E) part of fuel tank (A). It two is outer petroleum pipeline (C) between from the fuel tank to the oil pump. Outside petroleum pipeline, heating wire is surrounded by heat-insulating protective layer (D) outward with the heating wire (M) of ferry glass insulation layer. Interior oil suction The upper heating wire of pipe (B) is by the following method coiling, it is around the bottom by fuel tank of oil pipe, total length accounts for house steward's 1/4th, heating wire is evenly encrypted from the top down and is arranged, the local temperature rise at the suction inlet place of oil pipe diesel oil can reach more than 20 ℃ behind the voltage of 12-24 volt on leading to, although total temperature rise does not have significant change in the casing, but local heating oil reached the standard of normal use, so just obtain the effect of continuous oil supply with the power of minimum, and before car starts, only need simple preheating can normally start in 10 minutes. This is one of design key of the present utility model. Heating wire winding (L2) one terminates on the petroleum pipeline (B), and the other end (3) is connected on the electrode (K1) by oil pipe intraconnections (K2). Whole interior fuel sucking pipe is welded on the oil pipe joint (E), and is fixed on the fuel tank.

The utility model is the key heating wire (M) that to be fuel tank also be wound with to the low pressure pipe between the oil pump (C) with glass dielectric layer again, whole winding is evenly on petroleum pipeline (C), middle with a tap (2), the effect of tap (2) is adjusting power of heating wire when weather is especially cold. Be surrounded by insulation quilt (F) in the outside of heating wire. Insulation quilt is outward snakelike metal tube (G), and the crooked free degree that it can protect heating wire can improve again petroleum pipeline is convenient to adapt to the assembling of various different automobile low pressure pipes. Low-voltage electric wire's winding (L₁1) end is overlapped on the petroleum pipeline, and the other end (1) and middle tap (2) are drawn respectively two lines and drawn from the adapter of plastic (G) at two ends. For the outer petroleum pipeline between convenient installation is from the fuel tank to the oil pump can be divided into two sections or three sections, structure is similar. Among Fig. 2, S is the oil pipe connector screw, (I) is the 50W joint, (X) is the 40W joint.

General power through the test heating wire is 40-50W. Diesel oil work temperature rise can reach 25 ℃ under-30 ℃ of conditions, but continuous operation fuel-economizing 5%. This device need not changed other any parts in the automobile, only need change low-pressure oil delivery pipe, thereby very convenient, is easy to promote.

Claims

1, a kind of defroster of bunker oil easily, it is connected between oil tank of vehicle (A) and the oil pump, it is characterized in that by the low pressure pipe that connects between the oil pump fuel tank, and outer low-voltage electric wire (M) of oil pipe and the outer insulation protective device of heating wire are formed.

2, as the said defroster of claim 1, it is characterized in that heating wire is two sections outsides around low pressure pipe of branch, the last heating wire of interior oil suction pipe (B) is coiling by the following method, it is around the bottom by fuel tank of oil pipe, total length accounts for house steward's 1/4th, another section full section of transport pipe (C) outside whole fuel tank, two sections heating wire are connected in parallel on the power supply of vehicle.

3,, it is characterized in that heating wire on the oil suction pipe (B) is that the heating wire of outer transport pipe is even coiling, and there is a tap (2) centre by the mode coiling of evenly encrypting from top to bottom as claim 1 and 2 said defrosters.

4,, it is characterized in that outer transport pipe is surrounded by insulation felt (F) outward and the snakelike metal tube (G) of the assembling of being convenient to be shaped as the said defroster of claim 1.

5, as claim 1 and 2 said defrosters, it is characterized in that outer transport pipe can be divided into two sections, three sections and combine, heating wire also is divided into corresponding hop count on every section oil pipe, is connected in parallel on the automobile power source simultaneously during use.