CN217501804U

CN217501804U - Corner executor for throttle

Info

Publication number: CN217501804U
Application number: CN202221367286.3U
Authority: CN
Inventors: 付守申
Original assignee: Shandong Taizhan Mechanical And Electrical Technology Co ltd
Current assignee: Shandong Taizhan Mechanical And Electrical Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-27
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a corner executor for throttle belongs to combustion engine technical field, and it includes the casing, is equipped with the rotor support in the casing, is fixed with pivot, characterized in that in the rotor support: the rotor support is provided with four groups of magnets which are uniformly distributed along the circumferential direction of the rotating shaft, the polarities of two adjacent magnets are opposite, four groups of electromagnets which are uniformly distributed along the circumferential direction of the rotating shaft are fixed in the shell, the electromagnets and the magnets are distributed along the axial direction of the rotating shaft, and the winding directions of the two adjacent groups of electromagnets are opposite; the rotor support is further connected with a reset mechanism, the other end of the reset mechanism is connected with the shell, the rotor support is further connected with a shifting arm, a first limit stop and a second limit stop are arranged on the shell, and the shifting arm is located between the first limit stop and the second limit stop. The actuator generates rotating force by the repulsion of like poles or the attraction of unlike poles through the electromagnet and the magnet, simplifies the control structure and is beneficial to reducing the cost.

Description

Corner executor for throttle

Technical Field

The utility model belongs to the technical field of combustion engine, concretely relates to corner executor for throttle.

Background

Diesel vehicles without any mechanism in the intake system of the engine often suffer from severe shaking during a flameout, which brings discomfort and even has potential safety hazards. Therefore, the chinese utility model patent 200720079675.5 discloses a diesel engine air inlet control device, which adds an air inlet valve, and it sets up valve block 11 on the air flow channel of valve block 12 to set up the cylinder on valve block 12, the piston rod of the cylinder can press and touch on the valve block 11 and close it. The air inlet valve needs to control the expansion of the valve rod of the air cylinder by high-pressure air of a vehicle so as to realize the opening and closing of the valve plate, so that high-pressure air branches are added, and the air path sealing requirement is improved; the electric energy drives the cylinder to work to generate high-pressure gas, the high-pressure gas pushes the piston to move, namely, the electric energy is converted into high-pressure gas energy, and then the high-pressure gas energy is converted into kinetic energy, so that the problem of multiple energy conversion is solved, and the energy utilization rate is reduced in the conversion process.

And a motor is also adopted as a power source for rotating the valve plate, and then a position sensor is arranged to control the starting and stopping of the motor so as to realize the opening and closing of the valve plate. In this way, the problem of multiple energy conversion is solved, but the cost of the power source is increased, and the control structure is also complicated. Therefore, there is a need for an actuator that is inexpensive and does not require complex controls.

Disclosure of Invention

The utility model aims to solve the technical problem that a corner executor for throttle is provided can simplify control structure, reduce cost.

In order to solve the technical problem, the technical scheme of the utility model is that: the design is a corner executor for throttle, including the casing, is equipped with the rotor support in the casing, is fixed with pivot, its characterized in that in the rotor support: the rotor support is provided with four groups of magnets which are uniformly distributed along the circumferential direction of the rotating shaft, the polarities of two adjacent magnets are opposite, four groups of electromagnets which are uniformly distributed along the circumferential direction of the rotating shaft are fixed in the shell, the electromagnets and the magnets are distributed along the axial direction of the rotating shaft, and the winding directions of the two adjacent groups of electromagnets are opposite;

the rotor support is further connected with a reset mechanism, the other end of the reset mechanism is connected with the shell, the rotor support is further connected with a shifting arm, a first limit stop and a second limit stop are arranged on the shell, and the shifting arm is located between the first limit stop and the second limit stop.

Furthermore, the electromagnet is arranged in a winding support, and the winding support is fixed in the shell.

Furthermore, the rotating shaft penetrates through the winding support, and a bearing is arranged between the rotating shaft and the winding support.

Furthermore, the bearing is a plane bearing, a tightening ring of the plane bearing is fixed with the rotor support, a loose ring of the plane bearing is fixed with the winding support, and the rotating shaft is fastened in a hole in the tightening ring of the plane bearing.

Furthermore, the device also comprises a position sensor for detecting the position of the rotating shaft.

Furthermore, the position sensor comprises a signal magnetic ring arranged on the rotor support and a Hall sensor arranged on the shell, and the Hall sensor senses a signal of the signal magnetic ring.

Further, the reset mechanism is a torsion spring.

Furthermore, a torsion spring support is fixed on the rotor support, one end of the torsion spring is fixed on the torsion spring support, and the other end of the torsion spring is fixed on the shell.

Furthermore, the shifting arm is fixed on the torsion spring bracket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. because the utility model discloses evenly install four groups of magnets and four groups of electro-magnets along the circumference of rotor, the polarity of double-phase adjacent magnet is opposite, the wire winding opposite direction of adjacent two sets of electro-magnets, can change the polarity of electro-magnet through the current direction that changes the electro-magnet, make electro-magnet and magnet produce homopolar repulsion form or heteropolar attraction form, the pivot rotates 90 degrees or maintains original position under the effect of magnetic force, thereby provide power for the state that changes the air throttle, and assist canceling release mechanical system and stop gear, make the pivot at certain restraint within range automatic re-setting, this actuating mechanism's control structure has been simplified, do benefit to and reduce its cost.

2. Because the electromagnet is arranged in the winding support, the winding support is fixed in the shell, and the winding support can be arranged in the shell after the electromagnet is arranged, so that the positioning control and the installation of the electromagnet are facilitated.

3. Because the rotating shaft penetrates through the winding support, and the bearing is arranged between the rotating shaft and the winding support, the rotating shaft is supported, and the rotating shaft can rotate stably.

4. The position sensor for detecting the position of the rotating shaft is arranged, so that the current position of the rotating shaft can be judged according to the signal of the position sensor, and whether the rotating shaft is positioned at a target position is judged, so that the electrifying condition of the electromagnet is controlled, and the rotation control of the rotating shaft is automatically realized.

5. Because the reset mechanism selects the torsional spring, the rotor support is fixed with the torsional spring support, one end of the torsional spring is fixed on the torsional spring support, and the other end of the torsional spring is fixed on the shell, the technology is simple, the realization is easy, and the installation of the torsional spring is convenient.

6. The utility model discloses think about ingeniously, through the cooperation of four group's magnets and four group's electro-magnets, control pivot 90 degrees turned angle, simplified technical means, be convenient for in industry popularize and apply.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

fig. 4 is a cross-sectional view C-C of fig. 3.

The labels in the figure are: 1. a housing; 2. a rotating shaft; 3. a winding support; 4. an electromagnet; 5. a torsion spring bracket; 6. a torsion spring; 7. a signal magnetic ring; 8. a Hall sensor; 9. a magnet; 10. a rotor support; 11. a flat bearing; 12. a shifting arm; 13. a first limit stop; 14. a second limit stop.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, 2 and 3, the present invention is provided with a rotor support 10 in a casing 1, and a rotating shaft 2 is fixed in the rotor support 10. Four groups of magnets 9 which are uniformly distributed along the circumferential direction of the rotating shaft 2 are arranged on the rotor support 10, and the polarities of two adjacent magnets 9 are opposite. A winding support 3 is fixed in a shell 1, a rotating shaft 2 penetrates through the winding support 3, a plane bearing 11 is installed between the rotating shaft 2 and the winding support 3, a tightening ring of the plane bearing 11 is fixed with a rotor support 10, a loosening ring is fixed with the winding support 3, and the rotating shaft 2 is fastened in a tightening ring center hole of the plane bearing 11. Four groups of electromagnets 4 are installed in the winding support 3, the four groups of electromagnets 4 are uniformly distributed along the circumferential direction of the rotating shaft 2, the electromagnets 4 and the magnets 9 are arranged along the axial direction of the rotating shaft 2, and the winding directions of the two adjacent groups of electromagnets 4 are opposite. And a torsion spring support 5 is fixed on the rotor support 10, a torsion spring 6 is installed in the torsion spring support 5, one end of the torsion spring 6 is fixed on the torsion spring support 5, and the other end of the torsion spring 6 is fixed on the shell 1. As shown in fig. 4, the torsion spring bracket 5 is provided with a toggle arm 12, the housing 1 is provided with a first limit stop 13 and a second limit stop 14, and the toggle arm 12 is located between the first limit stop 13 and the second limit stop 14.

In order to facilitate the position through detecting pivot 2, realize its rotation direction control automatically, the utility model discloses in set up the position sensor who is used for detecting pivot 2 positions. Specifically, a signal magnetic ring 7 is mounted on the rotor support 10, and a hall sensor 8 for sensing a signal of the signal magnetic ring 7 is mounted on the housing 1.

The utility model discloses a working process as follows:

when the engine of vehicle is in normal operating condition, the utility model provides an electro-magnet 4 is in the outage state, under the effect of torsional spring 6, and pivot 2 rotates to first limit stop 13 department for the air throttle is in the open mode, provides the required air of diesel oil burning for the engine. When the engine of the vehicle suddenly stops or stops and stops, the central control unit of the vehicle is connected with the power supply of the electromagnet 4, so that the electromagnet 4 and the magnet 9 opposite to each other generate an acting force with the same poles repelling each other, the rotor support 10 is forced to overcome the elasticity of the torsion spring 6, the rotating shaft 2 is driven to rotate, the electromagnet 4 and the magnet 9 are in a state of opposite poles attracting each other, when the shifting arm 12 of the torsion spring support 5 reaches the second limit stop 14, the rotating shaft 2 stops rotating, the throttle valve is just closed, air is prevented from still entering the engine combustion chamber after the engine stops, and severe shaking generated when the engine stops is avoided.

In the process of rotating the rotating shaft 2, the position of the rotating shaft 2 can be confirmed in advance through a position sensor, whether the current position is the required target position or not is judged, and if the current position is consistent with the target position, the rotating shaft 2 is kept still; if the current position does not accord with the target position, the rotating shaft 2 is controlled to rotate through the electrifying condition of the electromagnet 4, and whether the rotating shaft 2 really reaches the target position can be confirmed through the position sensor after the rotating, so that the position of the rotating shaft 2 is ensured to be correct.

The magnet 9 is selected from permanent magnets such as Ru Fe B. Of course, other specific structures of the position sensor are possible as long as the position of the rotating shaft 2 can be detected, the structure is not particularly limited, and only the structure of the signal magnetic ring 7 and the hall sensor 8 can realize the non-contact detection of the position, which is more convenient to install.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a corner executor for throttle, includes the casing, is equipped with the rotor support in the casing, is fixed with pivot, its characterized in that in the rotor support: the rotor support is provided with four groups of magnets which are uniformly distributed along the circumferential direction of the rotating shaft, the polarities of two adjacent magnets are opposite, four groups of electromagnets which are uniformly distributed along the circumferential direction of the rotating shaft are fixed in the shell, the electromagnets and the magnets are distributed along the axial direction of the rotating shaft, and the winding directions of the two adjacent groups of electromagnets are opposite;

2. The rotation angle actuator for a throttle valve according to claim 1, wherein: the electromagnet is arranged in a winding support, and the winding support is fixed in the shell.

3. The rotation angle actuator for a throttle valve according to claim 2, wherein: the rotating shaft penetrates through the winding support, and a bearing is arranged between the rotating shaft and the winding support.

4. The rotation angle actuator for a throttle valve according to claim 3, wherein: the bearing is a plane bearing, a tightening ring of the plane bearing is fixed with the rotor support, a loose ring of the plane bearing is fixed with the winding support, and the rotating shaft is fastened in a hole in the tightening ring of the plane bearing.

5. The rotation angle actuator for a throttle valve according to any one of claims 1 to 4, wherein: the device also comprises a position sensor for detecting the position of the rotating shaft.

6. The rotation angle actuator for a throttle valve according to claim 5, wherein: the position sensor comprises a signal magnetic ring arranged on the rotor support and a Hall sensor arranged on the shell, and the Hall sensor senses a signal of the signal magnetic ring.

7. The rotation angle actuator for a throttle valve according to any one of claims 1 to 4, wherein: the reset mechanism is a torsion spring.

8. The rotation angle actuator for a throttle valve according to claim 7, wherein: a torsion spring support is fixed on the rotor support, one end of the torsion spring is fixed on the torsion spring support, and the other end of the torsion spring is fixed on the shell.

9. The rotation angle actuator for a throttle valve according to claim 8, wherein: the shifting arm is fixed on the torsional spring bracket.