CN218624424U

CN218624424U - Motorcycle electronic fuel injection valve for controlling idling air inflow of engine

Info

Publication number: CN218624424U
Application number: CN202222384040.3U
Authority: CN
Inventors: 孟祥涛; 唐会得; 苏枝山; 符浩
Original assignee: SHANGHAI KUNFU VEHICLE FITTINGS CO Ltd
Current assignee: SHANGHAI KUNFU VEHICLE FITTINGS CO Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-03-14
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a motorcycle electricity injection valve of idle air input of control engine, including the electricity injection valve body, installation component and idle air conditioning subassembly, electricity is inside to be provided with main gas passage and bypass air flue in the injection valve body, main gas passage is used for connecting the sprue of air filter and engine, the bypass air flue is used for connecting the bypass runner of air filter and engine, the installation component sets up in the outside of electricity injection valve body, idle air conditioning subassembly sets up in the top of bypass air flue, idle air conditioning subassembly inserts post and elasticity reset piece by adjusting and constitutes, the post activity is inserted in bypass air flue top to the regulation, the support connnection is inserted with the regulation to elasticity reset piece, the utility model is suitable for an electricity injection valve, can change the effective cross section that admits air of bypass air flue through the altitude control of inserting the post to the regulation, when the effective cross section that admits air of bypass air flue changes, the air input of bypass air flue takes place to change promptly to the effect of the air input of control engine has been reached, convenient operation is swift.

Description

Motorcycle electronic fuel injection valve for controlling idling air inflow of engine

Technical Field

The utility model belongs to the technical field of the motorcycle, specifically a motorcycle electrojet valve of idle speed air input of control engine.

Background

At present, an electronic fuel injection valve assembly is actually an air flow control device, a position sensor of the electronic fuel injection valve assembly can be used for monitoring the actual opening position state of a throttle valve and can be converted into an electric signal to be transmitted to an ECU module, an idle air flow control valve can be directly driven and controlled by the ECU module, the closed-loop control of the adjustment of the air intake flow under the idle running working condition of an engine is realized through a negative pressure feedback signal of a pressure sensor fixedly arranged on an air intake manifold of the engine and the position sensor information on a valve body, the air intake flow can be moderately increased under the condition of suddenly increasing the load, the idle stability of the engine is ensured, and in the dynamic working condition of the engine, the signal of the position sensor prompts an oil injector to inject oil, so that the gasoline and the air can be fully mixed, the optimal theoretical air-fuel ratio is achieved, the transition working condition of the engine can be more stable, and the improvement and the optimization of the driving performance under the transition working condition are facilitated;

the existing motorcycle electric injection valve mainly comprises a valve body, a throttle blade, a throttle shaft, a bypass flow channel for idling, an idling air flow control valve, a position sensor, an ECU module and a torsion mechanism; the torsion mechanism comprises an external section shaft body of the throttle shaft, a torsion spring and a rope frame, the handle of the motorcycle pulls the rope frame to rotate through a soft steel rope, so that the throttle shaft and a throttle plate are driven to rotate, the opening degree of the throttle plate determines the air flow in the valve body, and the torsion spring is used as a throttle plate return spring. When the engine is in an idling state, as long as trace air is supplied, the opening degree of the throttle valve is small or closed, and air is supplied by the bypass flow channel;

for different engines, the air quantity required during idling is different, so the air quantity of the bypass flow passage for idling needs to be controlled, the structure for controlling the air quantity of the bypass flow passage for idling in the prior art is complex, the operation is inconvenient during use, and the cost of the existing control structure is high during motorcycle production, so the requirements of people are difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a motorcycle electrojet valve of the idle speed air input of control engine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electronic fuel valve of a motorcycle for controlling the idle air inflow of an engine comprises an electronic fuel valve body, a mounting assembly and an idle air regulating assembly, wherein a main air channel and a bypass air channel are arranged inside the electronic fuel valve body, the main air channel is used for connecting an air filter and a main air channel of the engine, the bypass air channel is used for connecting an air filter and a bypass air channel of the engine, the mounting assembly is arranged outside the electronic fuel valve body and used for mounting and fixing the electronic fuel valve body, the idle air regulating assembly is arranged above the bypass air channel and used for controlling the effective air inflow section of the bypass air channel, the idle air regulating assembly is composed of a regulating insert column and an elastic resetting piece, the regulating insert column is movably inserted above the bypass air channel, the elastic resetting piece is connected with the regulating insert column and used for assisting in controlling the resetting of the regulating insert column, the structure enables the effective air inflow section of the bypass air channel to be changed by controlling the height of the regulating insert column when the electronic fuel valve body is used, and the idle air inflow of the electronic fuel valve body is changed, so that the idle air inflow of the engine is controlled quickly and the engine, and the cost is low.

In one possible implementation, a throttle flap is provided inside the main air passage, the shape of the throttle flap matching the cross-sectional shape of the main air passage, and the throttle flap divides the main air passage into an air filter connection passage and an engine connection passage.

In a possible implementation mode, an oil nozzle connecting pipe is installed below the electric injection valve body and is used for being connected with an oil outlet nozzle of an external oil pump.

In a possible implementation manner, the idle air adjustment assembly further includes an idle air adjustment screw and an idle air adjustment nut, wherein the idle air adjustment screw is installed above the adjustment plug, and the idle air adjustment nut is fixedly installed above the idle air adjustment screw, so that the position of the idle air adjustment screw can be adjusted by controlling the height of the idle air adjustment nut, thereby achieving the effect of controlling the idle intake air amount of the engine.

In a possible implementation mode, the elastic reset piece adopts a spring, the elastic reset piece is sleeved outside the idle air adjusting screw, the elastic reset piece is arranged to drive the idle air adjusting screw to reset when the engine finishes idling, and the idle air adjusting screw drives the adjusting plug post to reset to restore the bypass air passage.

In a possible implementation manner, the sealing sleeve is sleeved outside the adjusting insertion column and has elasticity, and the structure enables the adjusting insertion column to keep sealing in the moving process, so that the effect of controlling the idling air inflow is improved.

In one possible implementation, the diameter of the adjusting plug coincides with the diameter of the bypass air duct.

In a possible implementation manner, the mounting assembly comprises a main mounting bracket and an auxiliary support bracket, wherein the main mounting bracket is arranged at one end of the electronic injection valve body, and the auxiliary support bracket is arranged above the electronic injection valve body, so that the electronic injection valve is more stable after being mounted.

In the utility model, the effective air intake section of the bypass air passage can be changed by controlling the height of the adjusting inserting column, and when the effective air intake section of the bypass air passage is changed, the air intake amount of the bypass air passage is changed, so that the effect of controlling the idling air intake amount of the engine is achieved, the operation is convenient and rapid, and the cost is lower;

the utility model discloses in, the seal cover is located to the outside cover of post is inserted in the regulation, the seal cover has elasticity, and such structure setting makes the regulation insert post 9 can keep sealed at the in-process that removes, promotes the effect of control idling air input.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a middle sectional view of the present invention.

Reference numerals: 1. the oil nozzle connecting pipe; 2. a main mounting bracket; 3. an electrojet valve body; 4. an auxiliary support bracket; 5. a main airway; 6. an idle air adjustment nut; 7. an idle air adjustment screw; 8. an elastic reset member; 9. adjusting the inserted column; 10. a sealing sleeve; 11. bypassing the air passage.

Detailed Description

The following will further describe a specific embodiment of an electronic fuel injection valve of a motorcycle for controlling the idle speed air inflow of an engine according to the present invention with reference to fig. 1-2. The utility model relates to a motorcycle electrojet valve of idle speed air input of control engine is not limited to the description of following embodiment.

Example 1:

the embodiment provides a specific structure of a motorcycle electronic fuel injection valve for controlling idle speed air inflow of an engine, as shown in fig. 1-2, the structure comprises an electronic fuel injection valve body 3, a mounting assembly and an idle speed air conditioning assembly, wherein a main air passage 5 and a bypass air passage 11 are arranged inside the electronic fuel injection valve body 3, the main air passage 5 is used for connecting an air filter and a main flow passage of the engine, the bypass air passage 11 is used for connecting the air filter and a bypass flow passage of the engine, the mounting assembly is arranged outside the electronic fuel injection valve body 3 and used for mounting and fixing the electronic fuel injection valve body 3, the idle speed air conditioning assembly is arranged above the bypass air passage 11 and used for controlling an effective air inflow section of the bypass air passage 11, the idle speed air conditioning assembly is composed of an adjusting insert column 9 and an elastic reset piece 8, the adjusting insert column 9 is movably inserted above the bypass air passage 11, and the elastic reset piece 8 is connected with the adjusting insert column 9 and used for assisting in controlling and resetting the adjusting insert column 9.

By adopting the technical scheme:

the structure arrangement enables the electric injection valve body to change the effective air intake section of the bypass air channel 11 by controlling the height of the adjusting inserting column 9 when in use, and when the effective air intake section of the bypass air channel 11 is changed, the air intake amount of the bypass air channel 11 is changed, so that the effect of controlling the idling air intake amount of an engine is achieved, the operation is convenient and fast, and the cost is low.

Example 2

In addition to embodiment 1, in this embodiment, a throttle blade is provided inside the main duct 5, the shape of the throttle blade is matched with the cross-sectional shape of the main duct 5, and the throttle blade divides the main duct 5 into an air filter connection passage and an engine connection passage.

And an oil nozzle connecting pipe 1 is arranged below the electric injection valve body 3 and is used for being connected with an oil outlet nozzle of an external oil pump.

The idle air regulating assembly further comprises an idle air regulating screw 7 and an idle air regulating nut 6, wherein the idle air regulating screw 7 is mounted above the regulating insert column 9, and the idle air regulating nut 6 is fixedly mounted above the idle air regulating screw 7.

The elastic reset piece 8 is a spring, and the elastic reset piece 8 is sleeved outside the idle air adjusting screw 7. The sealing sleeve 10 is sleeved outside the adjusting insertion column 9, the sealing sleeve 10 has elasticity, and the structure enables the adjusting insertion column 9 to keep sealing in the moving process, so that the effect of controlling the idling air input is improved.

The diameter of the adjusting plug 9 is consistent with the diameter of the bypass air channel 11.

By adopting the technical scheme:

the device control idling air adjusting nut 6 highly can adjust the position of idling air adjusting screw 7 to realize the effect of the idling air input of control engine, the setting of elasticity piece 8 that resets makes when the engine finishes the idling, drives idling air adjusting screw 7 and resets, and idling air adjusting screw 7 drives the regulation and inserts post 9 and resets, makes bypass air flue 11 resume complete inlet channel.

Example 3

On the basis of embodiment 1, in this embodiment, the mounting assembly includes a main mounting bracket 2 and an auxiliary support bracket 4, wherein the main mounting bracket 2 is disposed at one end of the electronic injection valve body 3, and the auxiliary support bracket 4 is mounted above the electronic injection valve body 3.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An electronic fuel injection valve of a motorcycle for controlling the idle speed air inflow of an engine is characterized in that: the method comprises the following steps:

the electronic injection valve body (3) is internally provided with a main air passage (5) and a bypass air passage (11), the main air passage (5) is used for connecting an air filter and a main air passage of an engine, and the bypass air passage (11) is used for connecting the air filter and a bypass flow passage of the engine;

the mounting assembly is arranged outside the electronic injection valve body (3) and used for mounting and fixing the electronic injection valve body (3);

an idle air conditioning assembly disposed above the bypass air duct (11) for controlling an effective intake cross-section of the bypass air duct (11);

wherein, idle air conditioning subassembly inserts post (9) and elasticity by adjusting and resets (8) and constitute, adjust and insert post (9) activity and insert bypass air flue (11) top, elasticity reset (8) with adjust and insert post (9) and be connected, be used for auxiliary control adjust and insert post (9) and reset.

2. An electronic fuel valve for a motorcycle for controlling the idle intake air quantity of an engine as claimed in claim 1, wherein: the main air passage (5) is internally provided with a throttle valve sheet, the shape of the throttle valve sheet is matched with the shape of the cross section of the main air passage (5), and the throttle valve sheet divides the main air passage (5) into an air filter connecting passage and an engine connecting passage.

3. An electronic fuel valve for a motorcycle for controlling the idle intake air quantity of an engine as claimed in claim 1, wherein: and an oil nozzle connecting pipe (1) is arranged below the electric injection valve body (3).

4. An electronic fuel valve for a motorcycle for controlling the idle intake air quantity of an engine as claimed in claim 1, wherein: the idle air conditioning assembly further comprises:

an idle air adjustment screw (7) mounted above the adjustment post (9);

and the idle air adjusting nut (6) is fixedly arranged above the idle air adjusting screw (7).

5. An electronic fuel injection valve for a motorcycle for controlling the idle speed air intake of an engine as claimed in claim 4, wherein: elasticity resets piece (8) and adopts the spring, elasticity resets piece (8) cover and establishes the outside of idle air adjusting screw (7).

6. An electronic fuel valve for a motorcycle for controlling the idle intake air quantity of an engine as claimed in claim 1, wherein: the sealing sleeve (10) is sleeved outside the adjusting inserting column (9), and the sealing sleeve (10) has elasticity.

7. An electronic fuel valve for a motorcycle for controlling the idle intake air quantity of an engine as claimed in claim 1, wherein: the diameter of the adjusting plug column (9) is consistent with that of the bypass air channel (11).

8. An electronic fuel valve for a motorcycle for controlling the idle intake air quantity of an engine as claimed in claim 1, wherein: the mounting assembly comprises a main mounting bracket (2) and an auxiliary supporting bracket (4), wherein the main mounting bracket (2) is arranged at one end of the electric injection valve body (3), and the auxiliary supporting bracket (4) is arranged above the electric injection valve body (3).