阅读说明：本技术 独立式多缸电子节气门总成 (Independent multi-cylinder electronic throttle valve assembly ) 是由 杨大明 于 2020-05-14 设计创作，主要内容包括：本发明公开了一种独立式多缸电子节气门总成,包括节气门壳体,该包括节气门壳体上具有至少两个同向贯穿的喉口,所述喉口中均设置有阀片以及用于带动阀片转动的转轴,所述节气门壳体中设置有若干分别与各根转轴一一对应的转轴驱动机构,各个转轴驱动机构能够分别带动对应的转轴独立转动。采用以上技术方案的独立式多缸电子节气门总成,结构新颖,设计巧妙,易于装配,各个转轴驱动机构能够单独控制对应转轴的转动角度,从而能够实现各个阀片的单独控制,既能同步控制各个阀片,又能不同步控制各个阀片,实现了多点多控,多缸分别独立调控功能,大幅提高了节气门开度的调节精度,能够更精确地控制发动机的进气量,提高燃烧效率。(The invention discloses an independent multi-cylinder electronic throttle valve assembly which comprises a throttle valve shell, wherein the throttle valve shell is provided with at least two throats which penetrate through in the same direction, valve plates and rotating shafts used for driving the valve plates to rotate are arranged in the throats, a plurality of rotating shaft driving mechanisms which respectively correspond to the rotating shafts in a one-to-one mode are arranged in the throttle valve shell, and the rotating shaft driving mechanisms can respectively drive the corresponding rotating shafts to rotate independently. The independent multi-cylinder electronic throttle valve assembly adopting the technical scheme has the advantages that the structure is novel, the design is ingenious, the assembly is easy, each rotating shaft driving mechanism can independently control the rotating angle of the corresponding rotating shaft, so that the independent control of each valve plate can be realized, each valve plate can be synchronously controlled and asynchronously controlled, the multipoint multi-control is realized, the multi-cylinder independent control function is realized, the regulating precision of the throttle valve opening is greatly improved, the air inflow of an engine can be more accurately controlled, and the combustion efficiency is improved.)

1. The utility model provides an independent type multi-cylinder electronic throttle valve assembly, includes the throttle valve casing, should have two at least syntropy throats that run through including on the throttle valve casing, all be provided with the valve block in the throat and be used for driving valve block pivoted pivot, its characterized in that: a plurality of rotating shaft driving mechanisms which are in one-to-one correspondence with the rotating shafts are arranged in the throttle valve shell, and each rotating shaft driving mechanism can drive the corresponding rotating shaft to rotate independently, so that each valve block can rotate independently.

2. The self-contained multi-cylinder electronic throttle assembly of claim 1, wherein: the throttle casing is provided with a plurality of mounting groove covers which are respectively covered on the corresponding driving mechanism mounting grooves with a driving mechanism mounting groove and a detachable cover which are in one-to-one correspondence with each rotating shaft, each mounting groove cover forms a driving mechanism mounting cavity with the corresponding driving mechanism mounting groove respectively, a rotating shaft driving mechanism is installed in each driving mechanism mounting cavity, and one end of each rotating shaft is respectively inserted into the corresponding driving mechanism mounting cavity and then is respectively connected with the corresponding rotating shaft driving mechanism.

3. The self-contained multi-cylinder electronic throttle assembly of claim 2, wherein: the pivot actuating mechanism includes the motor, overlaps the one-level driving gear on the motor shaft of motor admittedly, overlaps admittedly and is corresponding epaxial pivot drive gear and at one-level driving gear and pivot drive gear between reduction gearing's middle duplicate gear, middle duplicate gear include with the one-level driven tooth of one-level drive gear meshing and with the second grade initiative tooth of pivot drive gear kernel, be provided with the return torsional spring between one-level driving gear and the actuating mechanism mounting groove.

4. The self-contained multi-cylinder electronic throttle assembly of claim 3, wherein: the return torsion springs are respectively sleeved on the corresponding rotating shafts, one lap joint arm is lapped on the corresponding rotating shaft driving gear, and the other lap joint arm is lapped on the torsion spring lap joint seat in the corresponding driving mechanism mounting groove.

5. The self-contained multi-cylinder electronic throttle assembly of claim 2, wherein: the end face of one end, inserted into the mounting groove of the driving mechanism, of the rotating shaft is provided with a permanent magnet, and a Hall sensor which is adaptive to the permanent magnet is arranged on the corresponding mounting groove cover.

6. The self-contained multi-cylinder electronic throttle assembly of claim 2, wherein: and one of the mounting groove covers is provided with a wire harness connector, and the wire harness connector is respectively connected with each rotating shaft driving mechanism through a line.

7. The self-contained multi-cylinder electronic throttle assembly of claim 6, wherein: and the driving mechanism mounting grooves corresponding to the rest mounting groove covers are communicated with one driving mechanism mounting groove corresponding to the mounting groove cover provided with the wire harness joint through the wire harness channel respectively, and each wire harness is arranged in the corresponding wire harness channel in a penetrating manner respectively.

8. The self-contained multi-cylinder electronic throttle assembly of claim 7, wherein: each wire harness passage is integrally formed on the throttle housing.

Technical Field

The invention relates to the technical field of throttle valves, in particular to an independent multi-cylinder electronic throttle valve assembly.

Background

Compared with the most traditional pure mechanical throttle valve, the electronic throttle valve can enable the opening of the throttle valve to be controlled more accurately, realize more reasonable air-fuel ratio, enable mixed gas to be combusted more fully, reduce emission and improve the dynamic property, the economical efficiency and the comfort of an engine.

Although the existing multi-cylinder electronic throttle valve is provided with a plurality of throats, each throat is provided with an independent valve plate. However, the rotation of each valve plate is synchronously controlled by a set of rotating shaft driving mechanism, so that each valve plate actually rotates synchronously, the control precision of the opening degree of the throttle valve is limited, higher application requirements cannot be met, and the solution of the above problems becomes urgent.

Disclosure of Invention

In order to solve the technical problems, the invention provides an independent multi-cylinder electronic throttle valve assembly.

The technical scheme is as follows:

the utility model provides an independent type multi-cylinder electronic throttle valve assembly, includes the throttle valve casing, should have two at least syntropy throats that run through including on the throttle valve casing, all be provided with the valve block in the throat and be used for driving valve block pivoted pivot, its characterized in that, be provided with a plurality of pivot actuating mechanism with each pivot one-to-one respectively in the throttle valve casing, each pivot actuating mechanism can drive the pivot independent rotation that corresponds respectively to can make each valve block rotate independently.

By adopting the structure, each rotating shaft driving mechanism can independently control the rotating angle of the corresponding rotating shaft, so that the independent control of each valve plate can be realized, each valve plate can be synchronously controlled and asynchronously controlled, the multi-point multi-control function is realized, the multi-cylinder independent control function is realized, the regulating precision of the opening degree of the throttle valve is greatly improved, the air input of an engine can be more accurately controlled, and the combustion efficiency is improved.

Preferably, the method comprises the following steps: the throttle casing is provided with a plurality of mounting groove covers which are respectively covered on the corresponding driving mechanism mounting grooves with a driving mechanism mounting groove and a detachable cover which are in one-to-one correspondence with each rotating shaft, each mounting groove cover forms a driving mechanism mounting cavity with the corresponding driving mechanism mounting groove respectively, a rotating shaft driving mechanism is installed in each driving mechanism mounting cavity, and one end of each rotating shaft is respectively inserted into the corresponding driving mechanism mounting cavity and then is respectively connected with the corresponding rotating shaft driving mechanism. By adopting the structure, the installation chambers of the plurality of driving mechanisms can well protect each rotating shaft driving mechanism, ensure the stable operation of the rotating shaft driving mechanisms and are convenient to assemble.

Preferably, the method comprises the following steps: the pivot actuating mechanism includes the motor, overlaps the one-level driving gear on the motor shaft of motor admittedly, overlaps admittedly and is corresponding epaxial pivot drive gear and at one-level driving gear and pivot drive gear between reduction gearing's middle duplicate gear, middle duplicate gear include with the one-level driven tooth of one-level drive gear meshing and with the second grade initiative tooth of pivot drive gear kernel, be provided with the return torsional spring between one-level driving gear and the actuating mechanism mounting groove. By adopting the structure, the number of the gears is reduced through the arrangement of the middle duplicate gear, the cost is reduced, the structure is more compact, the overall size is further reduced, and the matching is more stable and reliable.

Preferably, the method comprises the following steps: the return torsion springs are respectively sleeved on the corresponding rotating shafts, one lap joint arm is lapped on the corresponding rotating shaft driving gear, and the other lap joint arm is lapped on the torsion spring lap joint seat in the corresponding driving mechanism mounting groove. By adopting the structure, the structure is simple, reliable and easy to assemble.

Preferably, the method comprises the following steps: the end face of one end, inserted into the mounting groove of the driving mechanism, of the rotating shaft is provided with a permanent magnet, and a Hall sensor which is adaptive to the permanent magnet is arranged on the corresponding mounting groove cover. By adopting the structure, the rotating angle of the rotating shaft can be accurately monitored, so that the opening degree of the valve plate can be accurately controlled, and the valve plate is high in anti-interference capability, stable and reliable.

Preferably, the method comprises the following steps: and one of the mounting groove covers is provided with a wire harness connector, and the wire harness connector is respectively connected with each rotating shaft driving mechanism through a line. By adopting the structure, the driving mechanisms of the rotating shafts realize centralized power supply and signal transmission, and the circuit arrangement of an engine system is simplified.

Preferably, the method comprises the following steps: and the driving mechanism mounting grooves corresponding to the rest mounting groove covers are communicated with one driving mechanism mounting groove corresponding to the mounting groove cover provided with the wire harness joint through the wire harness channel respectively, and each wire harness is arranged in the corresponding wire harness channel in a penetrating manner respectively. By adopting the structure, the circuit can be well protected.

Preferably, the method comprises the following steps: each wire harness passage is integrally formed on the throttle housing. By adopting the structure, the structure has high strength, and no additional parts are needed.

Compared with the prior art, the invention has the beneficial effects that:

the independent multi-cylinder electronic throttle valve assembly adopting the technical scheme has the advantages that the structure is novel, the design is ingenious, the assembly is easy, each rotating shaft driving mechanism can independently control the rotating angle of the corresponding rotating shaft, so that the independent control of each valve plate can be realized, each valve plate can be synchronously controlled and asynchronously controlled, the multipoint multi-control is realized, the multi-cylinder independent control function is realized, the regulating precision of the throttle valve opening is greatly improved, the air inflow of an engine can be more accurately controlled, and the combustion efficiency is improved.

Drawings

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

fig. 2 is a schematic diagram of the matching relationship of the main components.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 and 2, an independent multi-cylinder electronic throttle valve assembly mainly comprises a throttle valve housing 1, the throttle valve housing 1 is provided with at least two throat openings 1a penetrating in the same direction, each throat opening 1a is provided with a valve plate 2 and a rotating shaft 3 for driving the valve plate 2 to rotate, the throttle valve housing 1 is provided with a plurality of rotating shaft driving mechanisms respectively corresponding to the rotating shafts 3, each rotating shaft driving mechanism can respectively drive the corresponding rotating shaft 3 to rotate independently, and the independent control of the rotating angle of each valve plate 2 is realized, so that the air inflow of an engine can be controlled more accurately, and the combustion efficiency is improved.

Referring to fig. 2, the rotation shaft driving mechanism includes a motor 5, a first-stage driving gear 6 fixedly sleeved on a motor shaft of the motor 5, a rotation shaft driving gear 8 fixedly sleeved on the corresponding rotation shaft 3, and a middle duplicate gear 7 for speed reduction transmission between the first-stage driving gear 6 and the rotation shaft driving gear 8, wherein the middle duplicate gear 7 includes a first-stage driven gear 7a engaged with the first-stage driving gear 6 and a second-stage driving gear 7b engaged with a core of the rotation shaft driving gear 8.

The motor 5 starts, and the motor shaft of motor 5 drives one-level driving gear 6 and rotates, and one-level driving gear 6 drives middle duplicate gear 7 and rotates, and middle duplicate gear 7 drives pivot drive gear 8 and rotates, and pivot drive gear 8 drives corresponding pivot 3 and rotates.

In the matching relationship between the first-stage driving gear 6 and the first-stage driven gear 7a, the first-stage driving gear 6 serves as a 'pinion', the first-stage driven gear 7a serves as a 'bull gear', the second-stage driving gear 7b serves as a 'pinion' and the rotating shaft driving gear 8 serves as a 'bull gear', and the rotation angle of the rotating shaft 3 can be adjusted more accurately by reducing the speed at the second stage.

Referring to fig. 1 and 2, the throttle housing 1 has a plurality of driving mechanism mounting grooves 1b corresponding to the respective shafts 3 one-to-one, and mounting groove covers 4 detachably covering the corresponding driving mechanism mounting grooves 1b, each mounting groove cover 4 forms a driving mechanism mounting chamber with the corresponding driving mechanism mounting groove 1b, each driving mechanism mounting chamber is mounted with a shaft driving mechanism, and one end of each shaft 3 is inserted into the corresponding driving mechanism mounting chamber and then connected to the corresponding shaft driving mechanism. Specifically, after each rotating shaft 3 is inserted into the corresponding driving mechanism mounting groove 1b, a primary driving gear 6 is fixedly sleeved at the insertion end of the rotating shaft, and a return torsion spring 9 is arranged between the primary driving gear 6 and the driving mechanism mounting groove 1b, so that the valve plate 2 can be reset after the external force action is lost (when the motor 5 does not apply force any more, the valve plate 2 can automatically rotate to the closing position). Correspondingly, the intermediate duplicate gear 7 and the spindle drive gear 8 are also located in the drive mechanism mounting chamber.

In the embodiment, the two throat openings 1a are symmetrically arranged, correspondingly, the two driving mechanism mounting grooves 1b are symmetrically arranged at the two ends of the throttle valve shell 1, and the layout is reasonable and the structure is compact.

Furthermore, after each mounting groove cover 4 covers the corresponding driving mechanism mounting groove 1b, the mounting grooves are fixed through a plurality of elastic buckles 14, and the mounting structure is simple and reliable.

Referring to fig. 2, the return torsion springs 9 are respectively sleeved on the corresponding rotating shafts 3, one of the lap joint arms is lapped on the corresponding rotating shaft driving gear 8, and the other lap joint arm is lapped on the torsion spring lap joint seat in the corresponding driving mechanism mounting groove 1 b.

Referring to fig. 1 and 2, the driving mechanism mounting groove 1b is provided with a motor mounting cavity 1b1 corresponding to the corresponding motor 5, and each motor 5 can be reliably mounted in the corresponding motor mounting cavity 1b 1.

Referring to fig. 2, a permanent magnet 10 is disposed on an end surface of the shaft 3 inserted into one end of the mounting groove 1b of the driving mechanism, and a hall sensor 11 corresponding to the permanent magnet 10 is disposed on the corresponding mounting groove cover 4. The rotation angle of the permanent magnet 10 is detected through the Hall sensor 11, and the rotation angle of the rotating shaft driving gear 8 can be determined, so that the rotation angle of the rotating shaft 3 and the rotation angle of the valve plate 2 can be accurately known, and the opening degree of the valve plate 2 can be accurately controlled.

Referring to fig. 1 and 2, a wire harness connector 12 is disposed on one of the mounting groove cover 4, the wire harness connector 12 is connected to each of the spindle driving mechanisms through a line 13, the driving mechanism mounting grooves 1b corresponding to the other mounting groove cover 4 are communicated with one of the driving mechanism mounting grooves 1b corresponding to the mounting groove cover 4 provided with the wire harness connector 12 through a wire harness channel 1c, and each wire harness 13 is inserted into the corresponding wire harness channel 1 c. The design realizes the centralized power supply and the signal transmission of each rotating shaft driving mechanism, simplifies the circuit arrangement of an engine system and can well protect the circuit 13.

Further, referring to fig. 1, each of the harness passages 1c is integrally formed on the throttle housing 1, and has a high structural strength without adding additional parts.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.