Motor vehicle and throttle body assembly

Abstract

This application relates to a motor vehicle and a throttle body assembly, which includes a main body and an idle air passage. The main body has a first connector, a second connector, a main passage, and a first control adjustment valve. The first and second connectors are each independently configured as cylindrical connectors. The idle air passage is connected to the main body and is located on the outside of the main body, and the idle air passage is in a bent shape. Because the idle air passage is connected to the main body, and the connection position between the idle air passage and the main body is not located at the first or second connector, the specific shape of the first and second connectors is not affected by the intake and exhaust ends of the idle air passage, but can be flexibly adjusted and set according to actual needs. This not only achieves the bent-shaped idle air passage to prevent carbon buildup, but also meets the requirements for quick connection with the engine's intake manifold.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and in particular to a motor vehicle and a throttle body assembly. Background Technology

[0002] In related technologies, the throttle body assembly connects between the engine's intake manifold and the air filter. Air is filtered by the air filter before entering the throttle body assembly, which regulates the amount of air intake delivered into the engine's intake manifold. The connection between the throttle body assembly and the engine's intake manifold is typically designed as a flange. This flange has an irregular shape, allowing more space for a curved idle air passage. This idle air passage helps prevent carbon buildup and blockage caused by engine back injection. The flange is bolted to the engine's intake manifold. Alternatively, the connection between the throttle body assembly and the air filter's outlet manifold is typically designed as a cylindrical connector, connected by clamps. To accommodate vehicle layout requirements, the connection between the throttle body assembly and the engine's intake manifold can also be designed as a cylindrical connector. However, due to the small cross-sectional area of ​​the cylindrical connector's end face, the idle air passage cannot be integrated onto the end face of the cylindrical connector. Utility Model Content

[0003] Therefore, it is necessary to overcome the shortcomings of the existing technology and provide a motor vehicle and throttle body assembly that can not only realize the arrangement of a second idle air passage, but also meet the requirements for connection with the engine intake manifold.

[0004] On one hand, this application provides a throttle body assembly, the throttle body assembly comprising:

[0005] The main body includes a first connector for connecting with an air filter, a second connector for connecting with the engine's intake manifold, a main channel connecting the first and second connectors, and a first control valve for controlling the opening of the main channel. The first and second connectors are each independently configured as cylindrical connectors.

[0006] An idling air passage is provided, which is connected to the main body and is located on the outside of the main body. The idling air passage is in a bent shape.

[0007] In one embodiment, the idle air passage includes a first idle air passage and a second idle air passage connected sequentially along the air supply airflow direction. The air inlet of the first idle air passage is connected to the main channel, and the air outlet of the second idle air passage is connected to the main channel. In the air supply airflow direction along the main channel, the air inlet of the first idle air passage is located upstream of the first control adjustment valve, and the air outlet of the second idle air passage is located downstream of the first control adjustment valve.

[0008] In one embodiment, the second idle air passage is configured as at least one or a combination of a broken line passage and a curved passage.

[0009] In one embodiment, the outlet inner diameter of the idle air passage is D2, the inlet inner diameter of the idle air passage is D1, and D2 / D1≥1.

[0010] In one embodiment, 1.5 ≤ D2 / D1 ≤ 5D.

[0011] In one embodiment, the second idle air passage includes a first passage segment connected to the main passage and a second passage segment connected to the first passage segment and arranged at an angle; the second passage segment is connected to the first idle air passage, and the position of one end of the first passage segment closer to the second passage segment is higher than the position of the other end of the first passage segment.

[0012] In one embodiment, the idle air passage includes a first pipe connected sequentially along the air supply airflow direction and a second pipe connected to the first pipe; the first idle air passage is formed in the first pipe, and the second idle air passage is formed in the second pipe.

[0013] In one embodiment, the throttle body assembly further includes a second control adjustment valve, which is disposed on the first idle air passage and is used to control and adjust the flow area of ​​the first idle air passage.

[0014] On the other hand, this application also provides a motor vehicle including the aforementioned throttle body assembly.

[0015] In one embodiment, the vehicle further includes an air filter and an engine; the air filter is connected to the first connector, and the engine's intake manifold is connected to the second connector.

[0016] In the aforementioned motor vehicle and throttle body assembly, the idle air passage is connected to the main body, and the connection point between the idle air passage and the main body is not located at the first or second connector. Therefore, the specific shapes of the first and second connectors are not affected by the intake and exhaust ends of the idle air passage, but can be flexibly adjusted and set according to actual needs. This not only achieves a bent-shaped idle air passage to prevent carbon buildup, but also allows for quick connection to the engine's intake manifold. Attached Figure Description

[0017] Figure 1 This is a structural view of a throttle body assembly according to an embodiment of this application.

[0018] Figure 2 for Figure 1 Another structural diagram of the structure shown.

[0019] Figure 3 for Figure 1 A simplified structural diagram of the structure shown.

[0020] 10. Body; 11. First connector; 12. Second connector; 13. Main channel; 14. First control adjustment valve; 20. Idle air passage; 201. First idle air passage; 202. Second idle air passage; 2021. First passage section; 2022. Second passage section; 21. First fitting; 22. Second fitting; 23. Second control adjustment valve; 30. Mounting bracket; 40. Vibration damping component. Detailed Implementation

[0021] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0022] See Figures 1 to 3 , Figure 1 and Figure 2 Two different viewpoint structural diagrams of the throttle body assembly in one embodiment of this application are shown. Figure 3 It shows Figure 1The diagram shows a simplified structural representation. One embodiment of this application provides a throttle body assembly, comprising: a body 10 and an idle air passage 20. The body 10 has a first connector 11 for connection to an air filter, a second connector 12 for connection to the engine's intake manifold, a main channel 13 connecting the first connector 11 and the second connector 12, and a first control valve 14 controlling the opening of the main channel 13. The first connector 11 and the second connector 12 are each independently configured as cylindrical connectors. The first control valve 14 includes, but is not limited to, a throttle plate. The idle air passage 20 is connected to the body 10, and is located on the outside of the body 10, with a bent shape.

[0023] In the aforementioned throttle body assembly, since the idle air passage 20 is connected to the main body 10, and the connection point between the idle air passage 20 and the main body 10 is not located on the first connector 11 or the second connector 12, the specific shapes of the first connector 11 and the second connector 12 are not affected by the intake and exhaust ends of the idle air passage 20. Instead, they can be flexibly adjusted and set according to actual needs. This not only achieves the purpose of preventing carbon buildup by arranging the idle air passage 20 in a bent shape, but also satisfies the requirement for quick connection with the engine's intake manifold.

[0024] Specifically, the idle air passage 20 is provided with a first idle air passage 201 and a second idle air passage 202 connected sequentially along the air supply airflow direction. The intake end of the first idle air passage 201 is connected to the main channel 13, and the outlet end of the second idle air passage 202 is connected to the main channel 13. In the air supply airflow direction along the main channel 13, the intake end of the first idle air passage 201 is located upstream of the first control adjustment valve 14, and the outlet end of the second idle air passage 202 is located downstream of the first control adjustment valve 14. Thus, since the idle air passage 20 is connected to the body 10, and the intake end of the first idle air passage 201 is connected to the main channel 13, and the outlet end of the second idle air passage 202 is connected to the main channel 13, the connection position between the idle air passage 20 and the body 10 is not located on the first connector 11 or the second connector 12. In this way, the specific shapes of the first pair of connectors 11 and the second pair of connectors 12 will not be affected by the air intake end of the first idle air passage 201 and the air outlet end of the second idle air passage 202. Instead, they can be flexibly adjusted and set according to actual needs. This not only enables the arrangement of the first idle air passage 201 and the second idle air passage 202 to achieve the purpose of preventing carbon buildup, but also satisfies the need for quick connection with the engine's intake pipe.

[0025] Furthermore, there is no need to change various components on the throttle body assembly, including but not limited to stepper motors, sensors, etc. Only the shape of the throttle body assembly 10 needs to be changed to meet the requirements. The second idle air passage 202 can be set with minimal structural changes to the throttle body assembly.

[0026] In addition, when the engine is running normally, the first control adjustment valve 14 can adjust the amount of air filtered by the air filter and sent into the main passage 13 by adjusting its opening. The larger the air volume, the greater the engine's working power and the higher the speed; conversely, the smaller the air volume, the smaller the engine's working power and the lower the speed. When the engine is idling, the first control adjustment valve 14 is closed, and the air filtered by the air filter enters the main passage 13. From the main passage 13, it enters the intake end of the first idle air passage 201, flows into the second idle air passage 202, and is discharged out of the main passage 13 through the outlet end of the second idle air passage 202. Then, it enters the engine from the second connector 12.

[0027] In some embodiments, the idle air passage 20 can be located outside the body 10, inside the body 10, or embedded in the body 10. The specific configuration can be flexibly adjusted and set according to actual needs, as long as it can provide an appropriate amount of idle air to the engine when the engine is idling. Please refer to... Figures 1 to 3 In this embodiment, when the idle air passage 20 is located outside the body 10, it will not interfere with the airflow of the main passage 13 compared to the method of being located inside the body 10, making it easier to process and reducing costs.

[0028] Please see Figures 1 to 3 In some embodiments, the second idle air passage 202 is configured as at least one or a combination of a zigzag passage and a curved passage. Specifically, the second idle air passage 202 includes, but is not limited to, various regular shapes such as L-shape, S-shape, Z-shape, N-shape, W-shape, C-shape, and other irregular shapes, which can be flexibly adjusted and set according to actual needs. In this way, by setting itself as a non-linear passage, the second idle air passage 202 effectively blocks carbon deposits in the backflow, preventing carbon deposits from entering the first idle air passage 201 during the backflow process. This better avoids motor jamming and other malfunctions caused by blockage in the first idle air passage 201, thereby improving product performance.

[0029] Please see Figure 3In some embodiments, the outlet inner diameter of the idle air passage 20 is D2, and the inlet inner diameter of the idle air passage 20 is D1. Wherein, D2 ≥ D1. Thus, the outlet inner diameter D2 of the idle air passage 20 is relatively large, making it less prone to blockage during the process of the reverse jet entering the idle air passage 20.

[0030] In one embodiment, D2 / D1 is, but is not limited to, 1.5 to 5. Specifically, D2 / D1 can be various values ​​such as 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, etc., which can be flexibly adjusted and set according to actual needs. Thus, the ratio of the outlet inner diameter D2 of the idle air passage 20 to the inlet inner diameter D1 of the idle air passage 20 is appropriate. On the one hand, the ratio is large enough, not too small, so that the outlet inner diameter D2 of the idle air passage 20 is large enough to block carbon deposits when there is backflow in the engine, preventing carbon deposits from clogging the idle air passage 20 and causing the stepper motor to jam. On the other hand, the ratio is not too large, to avoid weakening the anti-carbon deposit capability.

[0031] Please see Figures 1 to 3 In one embodiment, the second idle air passage 202 includes a first passage segment 2021 communicating with the main passage 13 and a second passage segment 2022 communicating with the first passage segment 2021 and arranged at an angle. The second passage segment 2022 communicates with the first idle air passage 201, and the end of the first passage segment 2021 closer to the second passage segment 2022 is positioned higher than the other end of the first passage segment 2021. Specifically, the first passage segment 2021 is arranged vertically. Thus, when carbon deposits in the backjet flow during engine operation enter the second idle air passage 202, the carbon deposits enter the first passage segment 2021 vertically upwards and fall downwards under their own gravity, thereby better preventing carbon deposits from being carried into the first idle air passage 201 during the backjet process.

[0032] Please see Figures 1 to 3 In one embodiment, the idle air passage 20 includes a first pipe 21 and a second pipe 22 connected sequentially along the air supply airflow direction. The first idle air passage 201 is formed in the first pipe 21, and the second idle air passage 202 is formed in the second pipe 22.

[0033] Please see Figures 1 to 3In one embodiment, the throttle body assembly further includes a second control adjustment valve 23. The second control adjustment valve 23 is disposed on the first idle air passage 201 and is used to control and adjust the flow area of ​​the first idle air passage 201. Specifically, the second control adjustment valve 23 includes a stepper motor and a valve body disposed in the first idle air passage 201. The stepper motor is connected to the valve body, and when the stepper motor operates, it drives the valve body to move, thereby controlling and adjusting the flow area of ​​the first idle air passage 201. During engine operation, according to the changing needs of the engine, the second control adjustment valve 23 adjusts the flow area of ​​the first idle air passage 201 to ensure that the idle speed meets the requirements.

[0034] Please see Figures 1 to 3 In one embodiment, the first connector 11 and the second connector 12 are each independently configured as cylindrical connectors. Furthermore, the outer wall of the first connector 11 is provided with threads, and the outer wall of the second connector 12 is provided with threads, so that the first connector 11 can be easily connected to and removed from the air filter, and the second connector 12 can be easily connected to and removed from the engine's intake pipe.

[0035] In one embodiment, the cylindrical joint includes, but is not limited to, being a threaded joint or a snap-fit ​​joint.

[0036] Please see Figures 1 to 3 In some embodiments, the throttle body assembly further includes a mounting bracket 30 and a vibration damper 40. The body 10 is connected to the mounting bracket 30 via the vibration damper 40, and the mounting bracket 30 is used for mounting on the frame of a motor vehicle. The vibration damper 40 includes, but is not limited to, a damping spring. Thus, the vibration damper 40 performs a vibration damping function, improving the stability of the throttle body assembly and preventing damage.

[0037] Please see Figures 1 to 3 In one embodiment, this application also provides a motor vehicle, which includes the throttle body assembly of any of the above embodiments, and further includes an air filter and an engine. The air filter is connected to a first connector 11, and the engine's intake manifold is connected to a second connector 12.

[0038] In the aforementioned motor vehicle, since the idle air passage 20 is connected to the main body 10, and the connection point between the idle air passage 20 and the main body 10 is not located on the first connector 11 or the second connector 12, the specific shapes of the first connector 11 and the second connector 12 are not affected by the air intake and exhaust ends of the idle air passage 20. Instead, they can be flexibly adjusted and set according to actual needs. This not only achieves the purpose of preventing carbon buildup by arranging the idle air passage 20 in a bent shape, but also satisfies the requirement for quick connection with the engine's intake manifold.

[0039] It should be noted that in this embodiment, the "first pipe 21 and the second pipe 22" can be "part of the body 10", that is, the "first pipe 21 and the second pipe 22" are integrally formed with the "other parts of the body 10"; or they can be separate components from the "other parts of the body 10", that is, the "first pipe 21 and the second pipe 22" can be manufactured independently and then combined with the "other parts of the body 10" to form a whole.

[0040] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0041] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0043] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0044] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0045] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A throttle body assembly, characterized in that, The throttle body assembly includes: The main body includes a first connector for connecting with an air filter, a second connector for connecting with the engine's intake manifold, a main channel connecting the first and second connectors, and a first control valve for controlling the opening of the main channel. The first and second connectors are each independently configured as cylindrical connectors. An idling air passage is provided, which is connected to the main body and is located on the outside of the main body. The idling air passage is in a bent shape.

2. The throttle body assembly according to claim 1, characterized in that, The idle air passage is provided with a first idle air passage and a second idle air passage connected sequentially along the air supply airflow direction. The air inlet of the first idle air passage is connected to the main channel, and the air outlet of the second idle air passage is connected to the main channel. In the air supply airflow direction along the main channel, the air inlet of the first idle air passage is located upstream of the first control adjustment valve, and the air outlet of the second idle air passage is located downstream of the first control adjustment valve.

3. The throttle body assembly according to claim 2, characterized in that, The second idle air passage is configured as at least one or a combination of a broken line passage and a curved passage.

4. The throttle body assembly according to claim 2 or 3, characterized in that, The outlet inner diameter of the idle air passage is D2, and the inlet inner diameter of the idle air passage is D1, where D2 / D1≥1.

5. The throttle body assembly according to claim 3, characterized in that, 1.5≤D2 / D1≤5D.

6. The throttle body assembly according to claim 2, characterized in that, The second idle air passage includes a first passage segment connected to the main passage and a second passage segment connected to the first passage segment and arranged at an angle; the second passage segment is connected to the first idle air passage, and the position of the first passage segment near the second passage segment is higher than the position of the other end of the first passage segment.

7. The throttle body assembly according to claim 2, characterized in that, The idle air passage includes a first pipe connected in sequence along the air supply airflow direction and a second pipe connected to the first pipe; the first idle air passage is formed in the first pipe, and the second idle air passage is formed in the second pipe.

8. The throttle body assembly according to claim 2, characterized in that, The throttle body assembly also includes a second control adjustment valve, which is disposed on the first idle air passage and is used to control and adjust the flow area of ​​the first idle air passage.

9. A motor vehicle, characterized in that, The motor vehicle includes the throttle body assembly as described in any one of claims 1 to 8.

10. The motor vehicle according to claim 9, characterized in that, The motor vehicle also includes an air filter and an engine; the air filter is connected to the first connector, and the engine's intake pipe is connected to the second connector.

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