A double-layer flow guide cover for air filter with back flushing

Abstract

The utility model relates to a flow guide hood technical field discloses a kind of anti-blow air filter double-layer flow guide hoods for vehicle, including double-layer flow guide hood, the double-layer flow guide hood includes upper flow guide hood subassembly and lower flow guide hood subassembly, the upper flow guide hood subassembly includes upper flow guide hood body and four clamping columns, the outer wall of upper flow guide hood body is passed through and is equipped with multiple first air blow holes, the lower flow guide hood subassembly includes lower flow guide hood body, the outer wall of lower flow guide hood body is passed through and is equipped with multiple second air blow holes, the lower end surface center of lower flow guide hood body inner wall is passed through and is equipped with gas guide channel, the lower end surface of double-layer flow guide hood is fixedly provided with fixed base, four The clamping column is respectively fixedly set on the outer wall upper end of upper flow guide hood body, four clamping slots are respectively set in the inner wall upper end of lower flow guide hood body. In the utility model, by the design of double-layer flow guide hood, make high-pressure gas evenly distribute on filter core surface, realize efficient cleaning, to guarantee the stable, sufficient air intake of engine.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fairlead technology field especially relates to a double -deck fairlead of car -used blowback air filter. BACKGROUND

[0002] In the operation process of automobile engine, air filter is the important component of guaranteeing the normal operation of engine. Its function is filtering the dust, impurity and other particles in air, and ensuring the clean air into engine. With the diversification of automobile environment, especially in dusty, dry or seriously polluted area, air filter is easy to be blocked by dust.

[0003] In prior art, since the blowback air filter is from the inside of air filter through high pressure gas blowback, in the process of blowback, due to the uneven internal flow guide, part of dust in air filter cannot be blown out, the filtering area of air filter is greatly reduced, which affects the intake negative pressure of engine.

[0004] Therefore, the utility model provides a double -deck fairlead of car -used blowback air filter to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0005] The utility model discloses a double -deck fairlead of car -used blowback air filter, which is designed to evenly distribute high pressure gas on the surface of the filter element, achieving efficient cleaning to ensure stable and sufficient air intake of the engine.

[0006] To achieve the above object, the utility model provides the following technical scheme: a double -deck fairlead of car -used blowback air filter, including double -deck fairlead, the double -deck fairlead includes upper fairlead subassembly and lower fairlead subassembly, the upper fairlead subassembly includes upper fairlead body and four clamping columns, a plurality of first blowholes are passed through and seted up in the outer wall of upper fairlead body;

[0007] The lower fairlead subassembly includes lower fairlead body, a plurality of second blowholes are passed through and seted up in the outer wall of lower fairlead body, the lower fairlead body inner wall lower end face center is passed through and seted up with the gas guide channel, the lower end face of double -deck fairlead is fixedly set with fixed seat.

[0008] Further, four clamping columns are fixedly set on the outer wall of upper fairlead body at the upper end.

[0009] Further, four clamping columns are fixedly set on the outer wall of upper fairlead body at the upper end.

[0010] Further, the upper fairlead body and lower fairlead body are connected by four clamping columns and four clamping slots.

[0011] Further, a through hole is passed through and seted up in the center of the lower end face of fixed seat.

[0012] Further, the lower end surface of the fixing seat is fixedly provided with a first threaded part.

[0013] Further, the lower end surface of the first threaded part is fixedly provided with a second threaded part.

[0014] The utility model has the advantages of the following:

[0015] 1. The utility model discloses a double -layer fairing of blow -back air filter for vehicle, and the double -layer fairing is composed of upper fairing subassembly and lower fairing subassembly, through the high -pressure gas in the gas holder is guided into the fairing inside, the high -pressure gas in the gas holder enters the double -layer fairing, and the airflow passes through a plurality of no. 1 blow -hole, no. 2 blow -hole and gas guide channel and is blown to the filter core inner surface evenly, and the dust and impurity adhered in the air filter are cleaned thoroughly, so that the filter area of air filter always keeps the initial filter area, avoids the filter area of air filter to reduce greatly, and influences the air intake negative pressure of engine. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall axis measuring schematic diagram of the utility model;

[0017] Figure 2 It is the overhead schematic diagram of the utility model;

[0018] Figure 3 It is the top view schematic diagram of the utility model;

[0019] Figure 4 It is the right section schematic diagram of the utility model.

[0020] LEGEND:

[0021] 1, double -layer fairing;101, upper fairing subassembly;10101, upper fairing body;10102, no. 1 blow -hole;10103, clamping column;102, lower fairing subassembly;10201, lower fairing body;10202, clamping groove;10203, no. 2 blow -hole;10204, gas guide channel;2, fixing seat;3, through -hole;4, first threaded part;5, second threaded part. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] REFERENCE Figures 1-4The utility model provides an embodiment: a kind of anti-blow air filter double-layer fairing for vehicle, including double-layer fairing 1, double-layer fairing 1 includes upper fairing assembly 101 and lower fairing assembly 102, upper fairing assembly 101 includes upper fairing body 10101 and four clamping columns 10103, and upper fairing body 10101 outer wall is opened in a plurality of first gas blowing hole 10102 through;

[0024] Lower fairing assembly 102 includes lower fairing body 10201, and lower fairing body 10201 outer wall is opened in a plurality of second gas blowing hole 10203 through, and the lower end surface center of lower fairing body 10201 inner wall is opened in gas guide channel 10204 through, and double-layer fairing 1 lower end surface is fixedly provided with fixed seat 2.

[0025] Specifically, double-layer fairing 1 is composed of upper fairing assembly 101 and lower fairing assembly 102, by the high-pressure gas in gas holder is guided into fairing inside, high-pressure gas in gas holder enters double-layer fairing 1, airflow passes through a plurality of first gas blowing hole 10102, second gas blowing hole 10203 and gas guide channel 10204, and is evenly blown to the inner surface of filter core, dust and impurities attached in air filter are cleaned, so that the filtration area of air filter always maintains initial filtration area, avoids that air filter filtration area is substantially reduced, and the intake negative pressure of engine is affected;

[0026] Upper fairing assembly 101 is close to the inner surface of air filter, and the distribution design of a plurality of first gas blowing hole 10102 is favorable for high-pressure gas to be evenly blown to the inner surface of filter core, realizes full-coverage high-efficiency cleaning effect, and the design of lower fairing assembly 102 is used to guide high-pressure gas flow and form uniform pressure distribution.

[0027] Four clamping columns 10103 are fixedly provided on the upper end of the outer wall of upper fairing body 10101 respectively, four clamping grooves 10202 are respectively formed on the upper end of the inner wall of lower fairing body 10201, and upper fairing body 10101 is connected with lower fairing body 10201 by four clamping columns 10103 and four clamping grooves 10202.

[0028] Specifically, by the clamping cooperation of four clamping columns 10103 and four clamping grooves 10202, the fixed connection between upper fairing body 10101 and lower fairing body 10201 is facilitated, and the clamping mode of clamping column 10103 and clamping groove 10202 can provide reliable fixing effect, so that loosening or displacement of double-layer fairing 1 does not occur in the working process, and the stability of the device is ensured.

[0029] Through hole 3 is opened through the center of the lower end surface of fixed seat 2, first threaded part 4 is fixedly arranged on the lower end surface of fixed seat 2, and second threaded part 5 is fixedly arranged on the lower end surface of first threaded part 4.

[0030] Specifically, the through hole 3 is designed to guide the high-pressure gas flow, the first threaded part 4 and the second threaded part 5 are designed to be connected with the gas tank, and the combination of the first threaded part 4 and the second threaded part 5 improves the interface sealing performance and ensures no leakage during the gas delivery process.

[0031] Working principle: The design utilizes the air flow guiding principle, uniformly blows the air in the gas tank to the inner surface of the filter element through the double-layer flow guide cover 1, achieves the same gas storage capacity, blows the dust in the filter element cleaner, keeps the filter area of the air filter always at the initial filter area, and guarantees the stable air intake of the engine.

[0032] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A double-layer fairing for air filter backflushing for vehicle, comprising a double-layer fairing (1), characterized in that: The double-layer fairing (1) comprises an upper fairing assembly (101) and a lower fairing assembly (102), the upper fairing assembly (101) comprises an upper fairing body (10101) and four clamping columns (10103), a plurality of first air blowing holes (10102) are arranged through the outer wall of the upper fairing body (10101); The lower fairing assembly (102) comprises a lower fairing body (10201), a plurality of second air blowing holes (10203) are arranged through the outer wall of the lower fairing body (10201), a gas guiding channel (10204) is arranged through the center of the lower end surface of the inner wall of the lower fairing body (10201), and a fixed seat (2) is fixedly arranged at the lower end surface of the double-layer fairing (1).

2. The double-layer flow guide cover for air filter with backflushing for vehicle according to claim 1, characterized in that: The four clamping columns (10103) are respectively fixedly arranged at the upper end of the outer wall of the upper fairing body (10101).

3. The double-layer flow guide cover for air filter with backflushing for vehicle according to claim 1, characterized in that: Four clamping grooves (10202) are respectively arranged at the upper end of the inner wall of the lower fairing body (10201).

4. The double-layer flow guide cover for air filter with backflushing for vehicle according to claim 1, characterized in that: The upper fairing body (10101) and the lower fairing body (10201) are connected through the four clamping columns (10103) and the four clamping grooves (10202).

5. The double-layer flow guide cover of claim 1, wherein: A through hole (3) is arranged through the center of the lower end surface of the fixed seat (2).

6. The dual-layer flow guide cover of claim 1, wherein: A first threaded portion (4) is fixedly arranged at the lower end surface of the fixed seat (2).

7. The dual-layer flow guide cover of claim 6, wherein: A second threaded portion (5) is fixedly arranged at the lower end surface of the first threaded portion (4).

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