TWM631847U - Air filter connecting pipe - Google Patents

Abstract

This creation relates to an air filter connecting pipe, which is mainly provided with a connecting pipe body, one end of the connecting pipe body is connected to the air filter, the other end is connected to the throttle valve, and the inner diameter is divided into a horn-shaped enlarged section, a first 1. The second tapered section and equal-diameter section; through this, through the design of the flared expansion section, the diameter of the nozzle and its cross-sectional area can be expanded, which can effectively increase the intake air flow and improve the intake efficiency of the engine at the same time. The change in the diameter of the rear end of the filter connection pipe is tapered, which can compress and increase the intake air flow rate at the intake end of the engine, so that the gas can be effectively charged into the interior of the engine, and the combustion efficiency, horsepower and performance output of the engine can be improved.

Description

Air filter connecting pipe

This creation is related to an air filter connecting pipe, especially an air filter connecting pipe structure installed between the air filter and the throttle valve, for its creator and application.

Press, the air filter can filter the dust in the air, and then send the filtered air into the engine, so that the engine can burn to generate power, and then the air filter is indispensable for vehicles such as locomotives and automobiles. one of the parts.

Generally, the air filter of a locomotive engine is connected to the engine, and a rubber intake pipe is connected between the air filter and the throttle valve. Its main function is to introduce clean air into the engine and provide the engine operation. However, in the prior art, the diameter of the rubber air intake pipe is the same, and the fluid is dynamic in the pipe, because there will be resistance around the pipe wall, the flow rate is slow, and the farther from the pipe wall, the smaller the resistance, that is, the middle part The resistance is small and the flow rate is fast; when the fluid flows through the rubber intake pipe of the same diameter, the speed of the middle part is the same, which can smoothly supply an appropriate amount of gas to the engine for reaction operation, which is very suitable for driving at a normal speed on general roads; however, When the vehicle is used in speed competition, it is necessary to increase the demand standard of air intake speed and air intake volume, so that the engine can respond immediately and increase the horsepower.

The reason is that in view of this, the creator, adhering to years of rich design and development and actual production experience in the related industry, researches and improves the shortcomings of the previous structure, and provides an air filter connecting pipe, in order to achieve the purpose of better practical value. .

The main purpose of this creation is to provide an air filter connecting pipe, especially an air filter connecting pipe structure installed between the air filter and the throttle valve.

The main purpose and effect of this creation of air filter connecting pipe are achieved by the following specific technical means:

It is mainly provided with a connecting pipe body, one end of the connecting pipe body is connected to the air filter, and the other end is connected to the throttle valve, and the inner diameter is divided into a flared expansion section, a first and a second tapered section and an equal diameter section. ; In this way, the gas can pass through the enlarged diameter of the horn-shaped enlarged section to increase the intermediate intake flow rate, effectively improve the intake efficiency, and gradually compress the gas to stabilize the flow and enhance the injection force, so as to achieve the effect of improving the horsepower and speed of the vehicle.

A preferred embodiment of the air filter connecting pipe of the present invention, wherein the flared enlarged section has a first inner diameter and a second inner diameter, and gradually expands from the second inner diameter to the first inner diameter, and ends at The first inner diameter end forms a bell mouth, the inner edge of the bell mouth forms an arc angle R, and the first inner diameter end is correspondingly assembled with the air filter.

A preferred embodiment of the air filter connecting pipe of the present invention, wherein the first tapered section is tapered and extended from the second inner diameter to the other end opposite to the first inner diameter with a third inner diameter. The third inner diameter is smaller than the second inner diameter.

A preferred embodiment of the air filter connecting pipe of the present invention, wherein the second tapered section is tapered and extended from the third inner diameter to the other end opposite to the second inner diameter with a fourth inner diameter, and the The fourth inner diameter is smaller than the third inner diameter.

A preferred embodiment of the air filter connecting pipe of the present invention, wherein the equal diameter section extends from the fourth inner diameter to the other end opposite to the third inner diameter with a fifth inner diameter, and the fourth inner diameter extends is equal to the fifth inner diameter, and the fifth inner diameter end is correspondingly arranged with the throttle valve.

In order to make the technical content used in this creation, the purpose of creation and the effect achieved in this creation more completely and clearly disclosed, it is explained in detail below, and please refer to the disclosed drawings and drawing numbers together:

First of all, please refer to Figures 1-3, 5-7, which are the three-dimensional appearance schematic diagram of the air filter connecting pipe of this creation, which is mainly provided with a connecting pipe body (1), the connecting pipe body (1) One end is connected to the air cleaner (2), and the other end is connected to the throttle valve (3).

A flared enlarged section (11) has a first inner diameter (a) and a second inner diameter (b), and gradually expands from the second inner diameter (b) to the first inner diameter (a), A bell mouth (111) is formed at the end of the first inner diameter (a), the inner edge of the bell mouth (111) forms an arc angle R, and the end of the first inner diameter (a) corresponds to the The air filter (2) is set up;

A first tapered section (12), which is tapered and extended from the second inner diameter (b) to the other end opposite to the first inner diameter (a) and has a third inner diameter (c), the first inner diameter (c). The third inner diameter (c) is smaller than the second inner diameter (b);

A second tapered section (13), which is tapered and extended from the third inner diameter (c) to the other end opposite to the second inner diameter (b) and has a fourth inner diameter (d), the first inner diameter (d). The fourth inner diameter (d) is smaller than the third inner diameter (c);

An equal diameter section (14) extends from the fourth inner diameter (d) to the other end opposite to the third inner diameter (c) with a fifth inner diameter (e), the fourth inner diameter ( d) is equal to the fifth inner diameter (e), and the end of the fifth inner diameter (e) is correspondingly assembled with the throttle valve (3).

When in use, please refer to the first to eighth pictures. The air filter connection pipe of this creation is mainly installed between the air filter (2) and the throttle valve (3) of the locomotive. Changed, here, the examples applied to the SET-SL and SET-S models are exemplified. Under the application of this model, there are also the following two implementable usage methods, which are explained in detail:

Please refer to the first to fourth figures, which is the first embodiment. In this embodiment, the diameter of the air filter (2) assembly port is 40 mm [ø40] in diameter, and the throttle valve (3) assembly The port diameter is 30 mm [ø30]. And the total length of the connecting pipe body (1) is about 245~255mm, and 250mm is the best; and the first inner diameter (a) is 39.5~40 mm in diameter [40 mm is the best], so The second inner diameter (b) is a diameter of 34-36 mm [35 mm is the best], the third inner diameter (c) is a diameter of 33-35 mm [34 mm is the best], the first 4. The fifth inner diameters (d) and (e) are 29.5 to 30 mm in diameter [with 30 mm being the best]; and the arc angle R of the bell mouth (111) in the first embodiment is set to a radius of 14 ~16mm [R14~16mm], 15 mm is the best.

After the air is filtered through the air filter (2), it enters the engine through the air filter connecting pipe through the throttle valve (3), through the air filter connecting pipe with the flared expansion section (11) of the present invention When receiving gas, the design of the bell mouth (111) and the arc angle R[R14~16mm] can effectively increase the amount of air introduced. The bell mouth (111) is used as a guide, and the friction area (X1) of the pipe wall is reduced by the arc angle R, and the intermediate flow rate area is increased. Improve the intake efficiency, gradually compress the gas to stabilize the flow and enhance the injection force to achieve the effect of increasing the horsepower and speed of the vehicle.

On the contrary, please refer to the ninth figure, which is a conventional comparison diagram. According to the above principle, when the air is inhaled, the air and the pipe wall will have friction. The conventional structure is the same pipe diameter, and the nozzle is designed without R angle, so that A large resistance is generated near the pipe wall [indicated by the dashed arrow], and its friction area (Y1) occupies the middle flow channel, resulting in a lack of small air intake.

Please refer to Figures 5 to 8, which is the second embodiment. In this embodiment, the diameter of the air filter (2) assembly port is 46 mm [ø46] in diameter, and the throttle valve (3) assembly The port diameter is 40 mm [ø40]. And the total length of the connecting pipe body (1) is 252~262mm, and 257mm is the best; and the first inner diameter (a) is 45.5~46 mm in diameter [46 mm is the best], the The second inner diameter (b) is 43.5-45.5 mm in diameter [44.5 mm is the best], the third inner diameter (c) is 42-44 mm in diameter [43 mm is the best], the fourth , the fifth inner diameter (d), (e) is a diameter of 39.5 ~ 40 mm [40 mm is the best]; and the arc angle R of the bell mouth (111) in the second embodiment is set to a radius of 19 ~ 21mm [R19-~21mm], 20 mm is the best.

After the air is filtered through the air filter (2), it enters the engine through the air filter connecting pipe through the throttle valve (3), through the air filter connecting pipe with the flared expansion section (11) of the present invention Receiving gas, the design of the bell mouth (111) and the arc angle R[R19-~21mm] can effectively increase the amount of air introduced. The bell mouth (111) is used as a guide, and the friction area (X2) of the pipe wall is reduced through the arc angle R, and the intermediate flow rate area is increased. Effectively improve the intake efficiency, gradually compress the gas to stabilize the flow and enhance the injection force to achieve the effect of improving the horsepower and speed of the vehicle.

On the contrary, please refer to Figure 10, which is a conventional comparison diagram. According to the above principle, when the air is inhaled, the air and the pipe wall will have friction. The conventional structure is the same pipe diameter, and the nozzle is not designed with R angle, so A large resistance is generated near the pipe wall [indicated by the dashed arrow], and its friction area (Y2) occupies the middle flow channel, resulting in a small loss of air intake.

The foregoing embodiments or drawings do not limit the structure of the present creation, and any appropriate changes or modifications made by those with ordinary knowledge in the technical field should be regarded as not departing from the patent scope of the present creation.

From the above, it can be seen from the description of the use and implementation of this creation that compared with the existing technical means, this creation mainly has the following advantages:

1. The air filter connecting pipe of this creation can expand the diameter of the nozzle and its cross-sectional area through the design of the horn-shaped enlarged section, which can effectively increase the intake air flow and improve the intake efficiency of the engine at the same time.

2. In addition to the above-mentioned functions, the air filter connecting pipe of this creation can compress and increase the intake air flow rate at the intake end of the engine, so that the gas can be effectively charged to the inside of the engine and improve the Engine combustion efficiency, horsepower and performance output.

3. The design of the air filter connecting pipe in this creation also uses the design of the bell mouth and the arc angle, which can reduce the friction area of the pipe wall, increase the intermediate flow rate area, and effectively improve the air intake efficiency.

4. The air filter connecting pipe of this creation can be used on different modified car models to achieve the same effect as above.

To sum up, this creative embodiment can indeed achieve the expected use effect, and the specific structure disclosed is not only not seen in similar products, but also not disclosed before the application, which fully complies with the provisions and requirements of the patent law. , to file an application for a new type of patent in accordance with the law, and I urge you to review it and grant the patent.

This creation:

1: connecting pipe body

11: Flared expansion section

111: bell mouth

12: The first tapered segment

13: Second taper segment

14: Equal diameter section

2: Air filter

3: Throttle

a: first inner diameter

b: Second inner diameter

c: third inner diameter

d: Fourth inner diameter

e: fifth inner diameter

X1: friction area

X2: Friction area

Y1: friction area

Y2: friction area

The first figure: a schematic diagram of the combined installation of the first embodiment of the present invention.

The second figure: a schematic diagram of the three-dimensional appearance of the first embodiment of the present invention.

Figure 3: A schematic cross-sectional view of the first embodiment of the present invention.

Figure 4: A schematic diagram of the air flow in Example 1 of this creation.

Figure 5: A schematic diagram of the combined installation of the second embodiment of this creation.

Figure 6: A schematic diagram of the three-dimensional appearance of the second embodiment of this creation.

Figure 7: A schematic cross-sectional view of the second embodiment of this creation.

Figure 8: A schematic diagram of the air flow in Example 2 of this creation.

The ninth figure: a comparative schematic diagram corresponding to the first embodiment of the conventional structure.

Figure 10: a schematic diagram of a comparison between the conventional structure and the second embodiment.

1: connecting pipe body

11: Flared expansion section

111: bell mouth

12: The first tapered segment

13: Second taper segment

14: Equal diameter section

2: Air filter

3: Throttle

Claims (12)

An air filter connecting pipe is mainly provided with a connecting pipe body, one end of the connecting pipe body is connected to the air filter, and the other end is connected to the throttle valve, and the connecting pipe body includes: a trumpet-shaped enlarged section, which has a first An inner diameter and a second inner diameter gradually expand from the second inner diameter to the first inner diameter, and a bell mouth is formed at the end of the first inner diameter, and the inner edge of the bell mouth forms an arc Angle R, and the first inner diameter end is correspondingly assembled with the air filter. The air filter connecting pipe according to claim 1, wherein the connecting pipe body further comprises: a first tapered section, which is tapered and extended from the second inner diameter to the other end opposite to the first inner diameter. a third inner diameter, the third inner diameter is smaller than the second inner diameter; a second tapered section is tapered and extended from the third inner diameter to the other end opposite to the second inner diameter. Four inner diameters, the fourth inner diameter is smaller than the third inner diameter; an equal diameter section, a fifth inner diameter extends from the fourth inner diameter to the other end opposite to the third inner diameter, so The fourth inner diameter is equal to the fifth inner diameter, and the fifth inner diameter end is correspondingly arranged with the throttle valve. The air filter connecting pipe according to claim 1 or 2, wherein the arc angle R is a radius of 14-16 mm. The air filter connecting pipe according to claim 1 or 2, wherein the arc angle R is a radius of 19-21 mm. The air filter connecting pipe according to claim 2, wherein the diameter of the air filter assembly port is 40mm, the diameter of the throttle valve assembly port is 30mm, and the first inner diameter is 39.5~40mm in diameter , The second inner diameter is 34-36 mm in diameter, the third inner diameter is 33-35 mm in diameter, and the fourth and fifth inner diameters are 29.5-30 mm in diameter. The air filter connecting pipe according to claim 2, wherein the diameter of the air filter assembly port is 46mm in diameter, the diameter of the throttle valve assembly port is 40mm, and the first inner diameter is 45.5-46mm in diameter, The second inner diameter is 43.5-45.5 mm in diameter, the third inner diameter is 42-44 mm in diameter, and the fourth and fifth inner diameters are 39.5-40 mm in diameter. The air filter connecting pipe according to claim 3, wherein the arc angle R is a radius of 15mm. The air filter connecting pipe according to claim 4, wherein the arc angle R is a radius of 20mm. The air filter connecting pipe according to claim 5, wherein the total length of the connecting pipe body is 245-255 mm. The air filter connecting pipe according to claim 5, wherein the first inner diameter is 40 mm in diameter, the second inner diameter is 35 mm in diameter, the third inner diameter is 34 mm in diameter, and the fourth and fifth inner diameters are The diameter is 30mm in diameter. The air filter connecting pipe according to claim 6, wherein the total length of the connecting pipe body is 252-262 mm. The air filter connecting pipe according to claim 6, wherein the first inner diameter is 46 mm in diameter, the second inner diameter is 44.5 mm in diameter, the third inner diameter is 43 mm in diameter, the fourth and fifth The inner diameter is 40mm in diameter.

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