CN218624470U

CN218624470U - Variable intake manifold capable of monitoring movement position of turning plate

Info

Publication number: CN218624470U
Application number: CN202223195229.4U
Authority: CN
Inventors: 马靖岩; 孙长菊; 姜彩霞
Original assignee: Qingdao Huatao Automobile Mould Co ltd
Current assignee: Qingdao Huatao Automobile Mould Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The application discloses but variable intake manifold of control flap motion position belongs to the engine part field, has solved among the prior art and can't monitor variable intake manifold and has turned over the board and open and close whether normal of function, also can't monitor the problem of turning over whether the board moves the assigned position. In the technical scheme of the application, the turning plate position detection device is constructed on one side of the intake manifold assembly and is fixed with the intake manifold assembly; and the shaft end of the rotating shaft of the turning plate extends to the outside of the air inlet manifold assembly and is fixedly connected with the angle detection end of the turning plate position detection device (5). The technical scheme of this application can detect variable intake manifold and correctly realize the changeable function of long, short gas circuit.

Description

Variable intake manifold capable of monitoring movement position of turning plate

Technical Field

The utility model relates to a but variable air intake manifold of control flap motion position belongs to the engine part field.

Background

The intake manifold is located between the throttle and the intake valve of the engine and is called the "manifold" because after air enters the throttle and passes through the manifold buffer system, the air flow path is "branched" here, corresponding to the number of engine cylinders, e.g., four for a four cylinder engine and five for a five cylinder engine, the air is introduced into each cylinder separately.

The engine of a motor vehicle has three of the most important external parameters: 1. low rotational speed torque; 2. high rotational speed power; 3. engine oil consumption. When the engine is in low rotating speed, the long and thin air inlet channel is used, the air flow speed and air pressure intensity of air inlet can be increased, gasoline can be better atomized, combustion is better, and torque is improved. The engine needs a large amount of gas at high speed, and at the moment, a thick and short air inlet channel is used for sucking more gas, so that the output power is improved.

The variable intake manifold is that the flap is arranged in the intake manifold, and the flap is switched on and off to control the length change of the intake manifold, so that one intake manifold component is provided with two long and short intake channels, and the variable intake manifold can provide optimal gas distribution at high and low rotating speeds of an engine, thereby improving the fuel economy of the engine.

In the prior art, whether a built-in turning plate is normally opened or closed or not can not be monitored, whether the built-in turning plate is opened to a specified angle or not and whether the built-in turning plate is closed in place or not can not be monitored. If the flap cannot be known to normally work, the switching of the length of the air inlet channel of the variable air inlet manifold cannot be realized, and the design function of the engine cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model provides a but variable air intake manifold of control flap motion position detects variable air intake manifold and correctly realizes the changeable function of long, short gas passage.

The utility model adopts the technical proposal that the variable intake manifold which can monitor the movement position of the turning plate comprises an intake manifold assembly and a plurality of turning plates, wherein a plurality of airflow channels are arranged inside the intake manifold assembly; a turning plate is arranged in each airflow channel in the intake manifold assembly and is rotationally connected with the airflow channel through a rotating shaft; the turning plate is rotated to close or open the airflow channel;

the variable intake manifold capable of monitoring the motion position of the turning plate also comprises

The flap position detection device is constructed on one side of the intake manifold assembly and is fixed with the intake manifold assembly; and the shaft end of the rotating shaft of the turning plate extends to the outside of the air inlet manifold assembly and is fixedly connected with the angle detection end of the turning plate position detection device.

Preferably, the variable air inlet manifold capable of monitoring the movement position of the turning plate is provided with an air flow channel with a long air channel inlet and a short air channel inlet II; the turning plate is arranged in the second short air passage inlet and opens or closes the second short air passage inlet after being turned over.

Preferably, in the variable intake manifold capable of monitoring the movement position of the flap, the flap is installed in the second short air channel inlet of each air flow channel, and the flaps in the second short air channel inlets of each air flow channel synchronously turn and have the same rotation angle.

Preferably, in the variable intake manifold capable of monitoring the movement position of the turning plate, all turning plates in the intake manifold assembly are driven to rotate by the same rotating shaft, and the rotating shaft penetrates through all turning plates in the intake manifold assembly and is fixed with all turning plates.

Preferably, the rotary shaft of the turning plate is a square metal rotary shaft of the variable intake manifold capable of monitoring the movement position of the turning plate.

Preferably, the variable intake manifold capable of monitoring the movement position of the turning plate has the advantages that the turning plate is provided with a hard substrate and an external rubber coating, the external rubber coating is wrapped outside the hard substrate, and a rotating shaft of the turning plate is fixed with the hard substrate.

Preferably, in the variable intake manifold capable of monitoring the movement position of the flap, one end of the rotating shaft, which is close to the flap position detection device, is provided with a rotating arm, and the shaft end of the rotating shaft is connected with the angle detection end of the flap position detection device through the rotating arm.

Preferably, the variable intake manifold capable of monitoring the movement position of the turning plate is characterized in that the turning plate position detection device is an angle sensor and is provided with a metal shifting piece, and the metal shifting piece is connected with the rotating arm and is shifted by the rotating arm.

Preferably, the variable intake manifold capable of monitoring the movement position of the flap has a limit groove for accommodating the metal plectrum, and the metal plectrum is installed in the limit groove and is limited in rotation range by inner walls at two sides of the limit groove.

The beneficial effect of this application lies in:

among the technical scheme of this application, turn over board position detecting device and change position signal into different voltage signal and send higher level control system, when turning over the board because card stagnation etc. are unusual, do not move, or the action is not in place, when staying wrong position, control system judges valve block work problem appearance according to unusual voltage signal, reports to the police. The technical scheme of the application can be applied to the variable-length intake manifold in a turning plate form and can also be applied to a rotary drum type/rotor type/rotary drum type variable-length intake manifold; and may be applied to a variable length intake manifold as well as to a variable cross-sectional area intake manifold.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is an internal structure diagram of the flap when the short air passage is opened in the present application;

FIG. 3 is a view of the internal structure of the flap closing the short air passage in the present application;

FIG. 4 is a schematic view of the connection structure of the flap and the flap position detecting device in the present application;

FIG. 5 is a first structural diagram of a turning plate in the present application;

FIG. 6 is a structural diagram of a turning plate in the present application in a moving state;

FIG. 7 is a schematic view of a connection structure of the turning plate and the rotating shaft in the present application;

FIG. 8 is a schematic view of the construction of the rotor arm of the present application;

fig. 9 is a schematic structural diagram of the flap position detecting device of the present application.

Detailed Description

The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

The embodiment is a variable intake manifold capable of monitoring the movement position of a turning plate, which comprises an intake manifold assembly 1, a turning plate position detection device 5 and a plurality of turning plates 2.

In this embodiment, the structure of the intake manifold of the four-cylinder engine is taken as an example for description, the structure of the intake manifold assembly 1 adapted to the four-cylinder engine is shown in the figure, and the intake manifold assembly 1 has a plurality of air flow channels inside. A turning plate 2 is arranged in each airflow channel in the intake manifold assembly 1, the turning plate 2 is turned over in the airflow channels through a rotating shaft 3, and the turning plate 2 is used for closing and opening part of the airflow channels after being turned over.

In this embodiment, the flap position detecting device 5 is an angle sensor, and the angle sensor may be an angle sensor for vehicles of vinpocetine automotive electronics ltd. The angle sensor is installed in one side of intake manifold assembly 1, and is fixed or can be fixed with automobile body engine compartment through the bolt with intake manifold assembly 1 through the bolt, and specific fixed form can select for use according to actual installation condition.

The airflow channel has a long airway and a short airway, and the long airway and the short airway have a long airway inlet 101 and a short airway inlet two 102, which are specifically positioned as shown in the figure. The turning plate 2 is installed in the second short air channel inlet 102 and opens or closes the second short air channel inlet 102 after turning.

The rotating shaft 3 of the turning plate 2 is a square metal rotating shaft. And turning plates 2 are arranged in the second short air channel inlet 102 of each air channel, in order to ensure that the turning plates 2 in the second short air channel inlet 102 of each air channel are turned synchronously and have the same rotation angle, all the turning plates 2 at the second short air channel inlet 102 can be driven to rotate through the same rotating shaft 3, and the rotating shaft 3 penetrates through all the turning plates 2 and is fixed with all the turning plates 2.

When the turning plate 2 is closed, the inlet 102 of the second short air passage inlet is closed, and air can only flow into the air passage through the long air passage inlet 101 and enters the air cylinder from the air passage outlet. When the turning plate 2 is opened, gas flows into the gas channel from the second short gas channel inlet 102 to enter the cylinder due to the gas circulation characteristic.

After the rotating shaft 3 penetrates through all the turning plates 2, one end of the rotating shaft extends to the outside of the air intake manifold assembly 1 and is fixedly connected with the angle detection end of the turning plate position detection device 5, and the other end of the rotating shaft is rotatably connected with the shell of the air intake manifold assembly 1 through a bearing. The rotating shaft 3 is connected with a turning plate driving mechanism, and the turning plate driving mechanism can drive a motor set and can also use mechanical drive of a vacuum actuator.

One end of the rotating shaft 3 close to the flap position detection device 5 is provided with a rotating arm 4. One end of the rotating arm 4 is provided with a rotating shaft slot 401, the rotating shaft slot 401 is a square slot, and the shape of the rotating shaft slot 401 is matched with that of the shaft end of the rotating shaft 3. The other end of the rotating arm 4 has a plug-in end 402, the flap position detecting device 5 has a groove 503 matching with the plug-in end 402, and the plug-in end 402 is plugged in the groove 503.

The turning plate position detection device 5 is provided with a metal shifting sheet 6, and the metal shifting sheet 6 is connected with the rotating arm 4 and is shifted by the rotating arm 4.

Turn over board position detection device 5 and connect square pivot 3 who turns over board 2 through rotor arm 4, turn over board position detection device 5 and have the position detection device of coil type, when turning over

board

2 and 3 actions of pivot, metal plectrum 6 rotates thereupon, output different voltage signal simultaneously, turn over board 2 and stop at different angles, detection device changes position signal into different voltage signal and gives higher level control system, when turning over board 2 because card stagnation etc. are unusual, do not move or move not in place and when stopping wrong position, control system is according to unusual voltage signal, judge that valve block work goes wrong, report to the police.

The turning plate 2 is provided with a hard base plate 201 and an external rubber coating 202, the external rubber coating 202 is wrapped outside the hard base plate 201, and a rotating shaft 3 of the turning plate 2 is fixed with the hard base plate 201.

The flap position detecting device 5 has a limit groove 501 for accommodating the metal pulling piece 6, and the metal pulling piece 6 is installed in the limit groove 501 and is limited in rotation range by the inner walls of both sides of the limit groove 501. When the metal shifting piece 6 is shifted, the rotation range of the metal shifting piece 6 is limited through the limiting groove 501, the inner surface of the limiting groove 501 can be marked with rotation angle marks, and the condition of the turnover angle of the turnover plate 2 can be visually observed after the metal shifting piece 6 rotates.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.

Claims

1. A variable intake manifold capable of monitoring the movement position of a turning plate comprises an intake manifold assembly (1) and a plurality of turning plates (2), wherein a plurality of airflow channels are arranged in the intake manifold assembly (1); a turning plate (2) is arranged in each airflow channel in the intake manifold assembly (1), and the turning plate (2) is rotationally connected with the airflow channels through a rotating shaft (3); the turning plate (2) is rotated to close or open the airflow channel; the method is characterized in that: the device also comprises a flap position detection device (5) which is constructed on one side of the intake manifold assembly (1) and is fixed with the intake manifold assembly (1); the shaft end of the rotating shaft (3) of the turning plate (2) extends to the outside of the air inlet manifold assembly (1) and is fixedly connected with the angle detection end of the turning plate position detection device (5).

2. The variable intake manifold capable of monitoring the flap movement position according to claim 1, wherein: the airflow channel is provided with a long air channel inlet (101) and a short air channel inlet II (102); the turning plate (2) is installed in the second short air channel inlet (102) and opens or closes the second short air channel inlet (102) after being turned over.

3. The variable intake manifold of claim 2, wherein the flap movement position is monitorable by: the turning plates (2) are arranged in the second short air channel inlet (102) of each air channel, and the turning plates (2) in the second short air channel inlet (102) of each air channel synchronously turn over at the same rotation angle.

4. The variable intake manifold of claim 1, wherein the flap movement position is monitorable by: all turning plates (2) in the intake manifold assembly (1) are driven to rotate through the same rotating shaft (3), and the rotating shaft (3) penetrates through all turning plates (2) in the intake manifold assembly (1) and is fixed with all turning plates (2).

5. The variable intake manifold capable of monitoring the flap movement position according to claim 1, wherein: the rotating shaft (3) of the turning plate (2) is a square metal rotating shaft (3).

6. The variable intake manifold capable of monitoring the flap movement position according to claim 1, wherein: the turnover plate (2) is provided with a hard substrate (201) and an external encapsulation (202), the external encapsulation (202) wraps the hard substrate (201), and a rotating shaft (3) of the turnover plate (2) is fixed with the hard substrate (201).

7. The variable intake manifold of claim 1, wherein the flap movement position is monitorable by: one end of the rotating shaft (3) close to the turning plate position detection device (5) is provided with a rotating arm (4), and the shaft end of the rotating shaft (3) is connected with the angle detection end of the turning plate position detection device (5) through the rotating arm (4).

8. The variable intake manifold capable of monitoring the flap movement position of claim 7, wherein: the turning plate position detection device (5) is an angle sensor, the turning plate position detection device (5) is provided with a metal shifting sheet (6), and the metal shifting sheet (6) is connected with the rotating arm (4) and is shifted by the rotating arm (4).

9. The variable intake manifold of claim 8, wherein the flap movement position is monitorable by: the turning plate position detection device (5) is provided with a limiting groove (501) for accommodating the metal shifting sheet (6), and the metal shifting sheet (6) is installed in the limiting groove (501) and is limited in rotation range by the inner walls of the two sides of the limiting groove (501).