CN219492412U

CN219492412U - Single-cavity electronic throttle valve and engine

Info

Publication number: CN219492412U
Application number: CN202320646362.2U
Authority: CN
Inventors: 刘彦军; 刘宇阳; 潘宿兵; 王加瑞; 段江涛
Original assignee: Shanghai Kenshi Industry Co ltd
Current assignee: Shanghai Kenshi Industry Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-08
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a single-cavity electronic throttle valve and an engine, wherein the single-cavity electronic throttle valve comprises: an electronic throttle body having a throttle valve; the base body is used for fixing the electronic throttle body; a cover plate; the integrated ECU is electrically connected with the throttle valve driving device; the throttle valve driving device drives the transmission system to work, and the transmission system is provided with a spring return system; the valve plate adjusting mechanism is used for adjusting the valve plate angle of the electronic throttle body. The single-cavity electronic throttle valve and the engine have the advantages of flexible structure, good space applicability and wide application range.

Description

Single-cavity electronic throttle valve and engine

Technical Field

The utility model relates to the field of motorcycle engines, in particular to a single-cavity electronic throttle valve and an engine.

Background

The electronic throttle valve belongs to the core part for the calibration of the motorcycle engine, and the opening accuracy of the throttle valve can influence the performance of the engine, so that the problems which need to be solved by various motorcycle manufacturers are urgently solved in order to improve the running safety, the dynamic property, the stability and the economy of the motorcycle, reduce the emission pollution and improve the accurate control of the electronic throttle valve.

However, there are currently less manufacturers' studies on electronic throttles for use in motorcycles or other two-wheeled vehicles. Different from the larger space in the motorcycle cabin, the electronic throttle valve applied to the smaller accommodating space has higher requirements on space and structural precision.

Based on the above, it is desired to obtain an electronic throttle valve which can be flexible in structure, good in space applicability and wide in application range.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a single-cavity electronic throttle valve and an engine. The single-cavity electronic throttle valve realizes better stability when the high-power engine runs by arranging the throttle valve, and controls the air inflow of the engine through structural optimization, so that the engine is always in an ideal air-fuel ratio state.

The utility model aims at realizing the following technical scheme:

in a first aspect, the present utility model proposes a single-chamber electronic throttle valve comprising:

an electronic throttle body having a throttle valve;

the base body is used for fixing the electronic throttle body;

a cover plate;

the integrated ECU is electrically connected with the throttle valve driving device;

the throttle valve driving device drives the transmission system to work, and the transmission system is provided with a spring return system;

the valve plate adjusting mechanism is used for adjusting the valve plate angle of the electronic throttle body.

Preferably, the transmission system comprises: the throttle valve driving device drives the transmission gear to rotate to drive the transmission shaft to rotate, and the spring return system limits the rotation angle of the transmission shaft.

Preferably, the valve plate adjusting mechanism includes:

the angle adjusting structure is movably arranged on the seat body and is used for adjusting the angle of the valve plate of the electronic throttle body;

the fixing structure is used for fixing the angle adjusting structure on the seat body after the angle of the valve plate is adjusted in place.

Preferably, the fixing structure limits the relative distance of the fixing structure relative to the base along the axial direction of the base through the die limit.

Preferably, the fixing structure is fixed to the base by laser welding.

Preferably, the integrated ECU comprises a shell, an ECU and a sensor mechanism, wherein the ECU and the sensor mechanism are installed in a closed space in the shell, the ECU and the sensor mechanism are used for detecting air inlet temperature of a throttle valve, air inlet pressure of the throttle valve and the position of the throttle valve, a plurality of bolt holes penetrating through the shell are formed in the edge of the shell, and an outlet communicated with the closed space in the shell is formed in one side of the shell.

Preferably, the sensor mechanism includes at least one of an accelerator pedal position sensor, a vehicle speed sensor, and a temperature sensor.

Preferably, the spring parity system includes a stopper that restricts a rotational distance of the gear in a first direction and a second direction opposite to the first direction.

Preferably, the limiting piece is a special-shaped spring.

In a second aspect, the present utility model provides an engine comprising the single-chamber electronic throttle valve described above.

Compared with the prior art, the single-cavity electronic throttle valve and the engine have the following advantages and beneficial effects:

the single-cavity electronic throttle valve and the engine have the advantages of flexible structure, good space applicability and wide application range, and are particularly suitable for motorcycles or other vehicles needing similar engines.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.

FIG. 1 is a schematic view of the overall structure of a single-chamber electronic throttle in one embodiment of the present utility model;

FIG. 2 is a schematic view of a single-chamber electronic throttle valve according to the present utility model from another perspective in one embodiment;

FIG. 3 is a schematic view of a single-chamber electronic throttle valve according to the present utility model from another perspective in one embodiment;

reference numerals:

a single-cavity electronic throttle valve 1; an electronic throttle body 11; a base 12; a cover plate 14; a valve plate adjusting mechanism 13; a valve plate 131; a throttle valve 110.

Detailed Description

The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.

In the technical solutions according to the present utility model, unless explicitly specified and limited otherwise, the terms "mounted", "connected", "fixed" and the like are to be understood in a broad sense, for example, they may be fixed connections, they may be removable connections, or they may be integral; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the utility model, "a first feature" may include one or more such features, and "a plurality" may mean two or more, and that a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween, with the first feature "above", "over" and "above" the second feature including both the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

fig. 3 is a schematic structural view of a single-cavity electronic throttle valve according to the present utility model at another view angle in one embodiment.

As shown in fig. 1, and referring to fig. 2 and 3 as necessary, in the present embodiment, the single-chamber electronic throttle valve 1 includes an electronic throttle body 11, a seat body 12, and a cover plate 14.

As can be seen in connection with fig. 1 and 2, the electronic throttle body 11 has two pairs of throttle valves 110 symmetrically distributed along the base 12, and the electronic throttle body 11 is fixed to the electronic throttle body by screws.

In this embodiment, the single-chamber electronic throttle valve includes a throttle valve driving device, the throttle valve driving device drives a transmission system to work, the transmission system includes a transmission gear, a transmission shaft fixedly connected with the transmission gear, and a spring return system on the transmission shaft, when in work, the throttle valve driving device drives the transmission gear to rotate, the transmission shaft is driven to rotate, and the spring return system limits the rotation angle of the transmission shaft.

Regarding limiting the rotation angle of the transmission shaft, the specific working principle is as follows: the spring return system limits the rotation of the spring (in this embodiment, a shaped spring) in a first direction by the spring preload, and limits the rotation of the gear in a second direction opposite to the first direction by the snap groove of the limiter, it being noted that the gear is in engagement with the drive gear.

As can be seen with further reference to fig. 2, in this embodiment, a valve plate adjusting mechanism is further included for adjusting the angle of the valve plate 131 of the electronic throttle body 11.

Specifically, the valve plate adjusting mechanism includes an angle adjusting structure for installing the valve plate, the angle adjusting structure is movably installed on the base 12, the angle of the valve plate 131 can be adjusted by itself through the air intake amount and the acting force angle adjusting structure of the spring return system, after adjustment, the angle adjusting structure is fixed on the base 12 through a fixing structure, the fixing structure limits the relative distance of the fixing structure relative to the base 12 along the axial direction of the base through a die, and the fixing structure is fixed on the base 12 through laser welding.

In addition, in this embodiment, the single-cavity electronic throttle valve 1 further includes an integrated ECU (not shown in the drawings), the integrated ECU is electrically connected to the throttle driving device, the integrated ECU includes a housing, an ECU, and a sensor mechanism, the ECU and the sensor mechanism are mounted in a closed space in the housing, the ECU and the sensor mechanism are used for detecting an air intake temperature of the throttle, an air intake pressure of the throttle, and a throttle position, a plurality of bolt holes penetrating through the housing are provided at an edge of the housing, and an outlet communicating with the closed space in the housing is provided at one side of the housing.

In some preferred embodiments, the sensor mechanism includes at least one of an accelerator pedal position sensor, a vehicle speed sensor, and a temperature sensor.

In some other embodiments, an engine is disclosed that includes the single-chamber electronic throttle described above.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims

1. A single-chamber electronic throttle valve, characterized in that it comprises:

an electronic throttle body having a throttle valve;

the base body is used for fixing the electronic throttle body;

a cover plate;

2. The single-chamber electronic throttle of claim 1, wherein the transmission system comprises: the throttle valve driving device drives the transmission gear to rotate to drive the transmission shaft to rotate, and the spring return system limits the rotation angle of the transmission shaft.

3. The single-chamber electronic throttle valve according to claim 1 or 2, wherein the valve plate adjusting mechanism includes:

4. A single-chamber electronic throttle valve as claimed in claim 3, wherein the fixing structure defines the relative distance of the fixing structure with respect to the base along the axial direction of the base by means of a die stop.

5. A single-chamber electronic throttle valve as claimed in claim 3, wherein the fixing structure is fixed to the base by laser welding.

6. A single-chamber electronic throttle as claimed in claim 3 wherein the integrated ECU comprises a housing, an ECU and a sensor mechanism mounted in a closed space within the housing, the ECU and sensor mechanism being adapted to detect throttle inlet temperature, throttle inlet pressure and throttle position, the housing being provided with a plurality of bolt holes extending through the housing, and a wire outlet opening communicating with the closed space within the housing being provided on one side of the housing.

7. The single-chamber electronic throttle valve of claim 6, wherein the sensor mechanism comprises at least one of an accelerator pedal position sensor, a vehicle speed sensor, and a temperature sensor.

8. A single chamber electronic throttle as claimed in claim 3 wherein the spring return system includes a stop limiting the rotational distance of the gear in a first direction and a second direction opposite the first direction.

9. The single-chamber electronic throttle of claim 8, wherein the stop is a shaped spring.

10. An engine comprising a single-chamber electronic throttle as claimed in any one of claims 1 to 9.