Air inlet hose assembly

Abstract

The utility model relates to an air inlet hose assembly, which belongs to the field of automobile air inlet systems, and comprises an air inlet hose body (1), one end of the air inlet hose body (1) is provided with an air filter end interface (6), the other end of the air inlet hose body (1) is provided with an engine end interface (7), the air filter end interface (6) and the engine end interface (7) are respectively provided with a hoop, and the air filter end interface (6) and the engine end interface (7) are connected with the air inlet hose body (1). The hoop has a certain deflection angle and telescopic capacity and can adapt to displacement and deformation caused by factors such as thermal expansion and cold contraction of the pipeline. A rubber lining (9) is arranged in the engine end connector (7) and provided with a sealing ring (8) and an anti-falling boss (14), and the sealing ring (8) and the anti-falling boss (14) play a role in preventing liquid or gas leakage and play a role in preventing the connector from falling off during connection. The rubber lining (9) is generally made of AEM or VMQ materials, the air inlet hose body (1) can be made of low-cost EPDM or NBR + PVC materials, and the effect of reducing cost is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile intake system, specifically, the utility model relates to an intake hose assembly. BACKGROUND

[0002] The automobile intake hose assembly is an indispensable component in the power system of a vehicle, mainly used for connecting an air cleaner and an engine intake manifold, and is responsible for delivering filtered air to the engine.

[0003] The intake hose assembly is a pipeline of a traditional and hybrid automobile intake system, used for connecting a supercharger, a throttle valve and an air cleaner assembly, and transporting clean air filtered by the air cleaner. At the same time, the intake hose assembly needs to overcome a temperature of about 60℃ to 130℃, a negative pressure of about -10kpa, and vibration and impact from the vehicle and the engine. With the development of economy, customers not only have basic functional requirements for vehicles, but also require lower costs. This leads to the need to consider lower-cost processes and materials in product design while meeting functional requirements. In particular, when designing the pipeline of a supercharged engine and a range extender, the heat resistance requirement for the pipeline is even higher. Therefore, it is particularly necessary to design a low-cost and high-temperature-resistant intake hose when the intake hose pipeline is long. The intake hose assembly generally includes a corrugated pipe, an air cleaner end interface and an engine side interface, and some vehicle models also integrate a muffler. The intake hose body composed of the corrugated pipe and the interface is generally made of EPDM / NBR+PVC materials, but considering the temperature resistance of the engine side interface, the rubber pipe will use AEM / FKM+VMQ materials with higher temperature resistance. However, the cost of AEM materials is higher than that of EPDM materials.

[0004] Chinese patent CN103147888A disclosed on June 12, 2013 discloses an intake hose for a vehicle and a manufacturing method thereof, which cannot solve the problem of using low-cost rubber on the low-temperature side and using high-cost rubber on the high-temperature side, and cannot guarantee the use performance while reducing the cost of the product. Therefore, it is particularly important to design a rubber lining structure with different material rubber pipes connected for cost control in the intake hose product. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a low-cost and detachable intake hose.

[0006] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] An air inlet hose assembly, comprising an air inlet hose body, one end of the air inlet hose body is provided with an air filter end connector, the air filter end connector is connected with an air filter, the other end of the air inlet hose body is provided with an engine end connector, the engine end connector is connected with an engine, and the engine end connector is internally provided with a rubber lining.

[0008] The air filter end connector is connected with a first clamp, and the engine end connector is connected with a second clamp.

[0009] An outer wall of the rubber lining is provided with an anti-falling boss, and the rubber lining and the air inlet hose body are in interference fit.

[0010] An inner wall of the rubber lining is provided with a sealing ring, and the sealing ring is matched with a supercharger connector.

[0011] One side of the engine end connector is provided with a crankcase ventilation pipe, and one side of the air filter end connector is provided with a fuel pipe.

[0012] A pressure relief pipe is arranged on the air inlet hose body, and third clamps are arranged at two ends of the pressure relief pipe.

[0013] An outer wall of the air inlet hose body is provided with a protruding block.

[0014] An outer wall of one end of the air inlet hose body is provided with a protrusion.

[0015] The protruding block is in a grid structure, and the protrusion is in an annular shape.

[0016] The technical effect of the air inlet hose assembly is that:

[0017] The connector structure of the air inlet hose assembly is provided with an integrated rubber lining, the rubber lining is designed with an anti-falling boss and a sealing ring, the air inlet hose body and the rubber lining are two separate parts, can be disassembled, and can be manufactured by vulcanization using different materials. The rubber lining of the air inlet hose assembly adopts temperature-resistant AEM or VMQ rubber, can meet the joint connection requirements of resisting 150 DEG C or 180 DEG C high temperature, improves the temperature resistance of the product, and has the effect of low cost; the connector structure of the air inlet hose assembly can switch the air inlet hose body and the rubber lining to other materials with ozone resistance, oil resistance or low temperature resistance. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present specification includes the following drawings, and the shown contents are as follows:

[0019] Figure 1 It is a result schematic view of an air inlet hose assembly.

[0020] Figure 2 It is Figure 1 It is a partial sectional view of the rubber lining part.

[0021] Marked in the figure: 1, the air hose body; 2, pressure relief pipe; 3, the first clamp; 4, the second clamp; 5, the third clamp; 6, air cleaner port; 7, engine end interface; 8, sealing ring; 9, rubber lining; 10, crankcase ventilation pipe; 11, fuel pipe; 12, boss; 13, protrusion; 14, anti-off boss. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application are further described in detail below with reference to the accompanying drawings, and the purpose is to help the technical personnel in the field to have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to help them to implement.

[0023] As Figure 1 shown, an air hose assembly, comprising an air hose body 1, the air hose body 1 one end is provided with air cleaner port 6, air cleaner port 6 connects air cleaner, the air hose body 1 the other end is provided with engine end interface 7, engine end interface 7 connects engine, engine end interface 7 is provided with rubber lining 9 inside. The air hose body 1 has the effect of good pressure resistance, easy installation; rubber lining 9 can use AEM or VMQ material to achieve heat resistance effect, and the air hose body 1 can use low-cost EPDM or NBR+PVC material, play the role of reducing cost.

[0024] Air cleaner port 6 is connected with the first clamp 3, and the engine end interface 7 is connected with the second clamp 4. The first clamp 3 and the second clamp 4 both play the role of connecting and fixing the pipeline, and the clamp also has a certain deflection angle and expansion capacity, which can adapt to the displacement and deformation of the pipeline caused by factors such as thermal expansion and cold shrinkage.

[0025] As Figure 1 and Figure 2 shown, the outer wall of the rubber lining 9 is provided with an anti-off boss 14, and the rubber lining 9 and the air hose body 1 are interference fit. The anti-off boss 14 is on the outer wall of the rubber lining 9, which plays a role in preventing the interface from falling off when connected; the rubber lining 9 and the air hose body 1 are interference fit, which is simple in structure and has large bearing capacity.

[0026] The inner wall of the rubber lining 9 is provided with a sealing ring 8, and the sealing ring 8 is matched with the supercharger joint. The engine end interface 7 is provided with a rubber lining 9, and the rubber lining 9 is provided with a sealing ring 8, and the sealing ring 8 is matched with the supercharger joint, which can prevent liquid or gas from leaking; the engine end interface 7 is connected with the supercharger through the second clamp 4, the rubber lining 9 and the supercharger, and the temperature of the supercharger joint is relatively high, so the rubber lining 9 is generally made of AEM or VMQ material, while the air inlet hose body 1 can be made of low-cost EPDM or NBR+PVC material, which can reduce the cost. The rubber lining 9 can also be selected according to other use scenarios, such as low-temperature-resistant and oil-resistant rubber materials.

[0027] The engine end interface 7 is provided with a crankcase ventilation pipe 10 on one side, and the air filter end interface 6 is provided with a fuel pipe 11 on one side. The crankcase ventilation pipe 10 can adjust the pressure and temperature in the crankcase, prevent the lubricating oil from deteriorating due to high temperature and fuel dilution, thereby prolonging the service life of the oil and reducing the wear and corrosion of mechanical parts. The crankcase ventilation pipe 10 can introduce the gas in the crankcase into the intake pipe, reduce the pressure and temperature in the crankcase, prevent gas leakage, and help lubricating oil maintain normal performance. The main function of the fuel pipe 11 is to transmit the fuel sprayed by the fuel injection pipe to the air inlet hose body 1 and mix with the air entering the engine to form combustible atomized mixture.

[0028] The air inlet hose body 1 is provided with a pressure relief pipe 2, and the pressure relief pipe 2 is provided with a third clamp 5 at both ends. The main function of the pressure relief pipe 2 is to protect the key components in the intake system from damage, and the third clamp 5 can fix and support the pressure relief pipe 2, and also has a certain deflection angle and expansion ability, which can adapt to the displacement and deformation of the pipeline caused by factors such as thermal expansion and contraction and pressure.

[0029] The air inlet hose body 1 is provided with a protrusion 12 on the outer wall. The protrusion 12 is mainly used to protect the air inlet hose body 1 from damage from the external environment, such as preventing wear, tearing and aging. Especially in high temperature and high pressure environment, this protection structure is particularly important.

[0030] The outer wall of one side of the air inlet hose body 1 is provided with a protrusion 13. The protrusion 13 is a corrugated pipe with shock absorption and noise reduction functions. The corrugated pipe can connect pipelines of different diameters and can compensate for the length deformation and displacement of the pipeline caused by factors such as temperature change and vibration. This makes the pipeline system stable in various environments, and is usually made of high-temperature-resistant and corrosion-resistant materials, which can ensure the safe and stable operation of the pipeline system in high temperature, high pressure and corrosive environment.

[0031] The protrusion 12 is a grid structure, and the protrusion 13 is a ring. The protrusion 12 on the outer wall is a grid structure, and the protrusion 13 is a ring-shaped corrugated pipe.

[0032] The utility model discloses a working principle: air filter end interface 6 is equipped with in air inlet hose tube body 1 one end, air inlet hose tube body 1 other end is equipped with engine end interface 7, and air filter end interface 7 is connected with air cleaner assembly through first clamping hoop 3, and engine end interface 7 is connected with engine through second clamping hoop 4, and rubber lining 9 inner wall is equipped with sealing ring 8, and sealing ring 8 and supercharger joint cooperate, and sealing ring 8 plays the role of preventing liquid or gas leakage. Rubber lining 9 outer wall is equipped with anti -drop boss 14, and rubber lining 9 and air inlet hose tube body 1 interference fit, and anti -drop boss 14 plays the role of preventing interface drop when connecting. Rubber lining 9 generally adopts AEM or VMQ material, and air inlet hose tube body 1 can use low -cost EPDM or NBR+PVC material, and can reduce product cost while guaranteeing use performance.

[0033] The utility model has been described exemplarily above in connection with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made using the method concept and technical solution of the utility model, or the above-mentioned concept and technical solution of the utility model is directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An intake hose assembly, characterized in that: It includes an intake hose body (1), one end of which is provided with an air filter end interface (6), which is connected to an air filter, and the other end of which is provided with an engine end interface (7), which is connected to an engine, and the engine end interface (7) is provided with a rubber liner (9).

2. The intake hose assembly according to claim 1, characterized in that: The air filter end interface (6) is connected to a first clamp (3), and the engine end interface (7) is connected to a second clamp (4).

3. An intake hose assembly according to claim 2, characterized in that: The outer wall of the rubber liner (9) is provided with anti-detachment protrusions (14), and the rubber liner (9) and the air intake hose body (1) are interference fit.

4. An intake hose assembly according to claim 3, characterized in that: The inner wall of the rubber liner (9) is provided with a sealing ring (8), which is matched with the booster connector.

5. An intake hose assembly according to claim 4, characterized in that: A crankcase ventilation pipe (10) is provided on one side of the engine end interface (7), and a fuel pipe (11) is provided on one side of the air filter end interface (6).

6. An intake hose assembly according to claim 5, characterized in that: The intake hose body (1) is provided with a pressure relief pipe (2), and the two ends of the pressure relief pipe (2) are provided with third clamps (5).

7. An intake hose assembly according to any one of claims 1-6, characterized in that: The outer wall of the air intake hose (1) is provided with a protrusion (12).

8. An intake hose assembly according to claim 7, characterized in that: The outer wall of one end of the air intake hose (1) is provided with a protrusion (13).

9. An intake hose assembly according to claim 8, characterized in that: The bump (12) has a mesh structure, and the protrusion (13) is annular.

Images