Multi-directional adjustable rotary valve gas distribution device for engine

Abstract

A multidirectional adjustable rotary valve air distribution device for an engine comprises a valve element, a valve element sleeve, a valve seat, a right bearing, a left bearing, a left end cover, a right end cover, a left mechanical sealing ring, a right mechanical sealing ring, a left sealing ring, a right sealing ring and a servo rotating motor. A left servo rotating motor is adopted as power to drive a valve element to rotate in a valve element sleeve, a right servo rotating motor is adopted as power to drive the valve element sleeve to rotate in a valve seat, a rotating transformer is adopted to monitor and accurately control the rotating position of an air inlet valve element relative to the valve seat in real time, and therefore air distribution is stopped and opened. The rotary transformer is used for monitoring and accurately controlling the rotating position of the air inlet valve element sleeve relative to the valve seat in real time, and the adjustment of the air distribution amount is achieved. The device has the advantages of being compact in structure, stable in gas supply, convenient to use and adjust and the like, vibration generated by gas distribution of the engine can be reduced, and good market popularization prospects are achieved.

Description

Technical Field

[0001] This utility model belongs to the field of automatic control technology of automobile engines, and relates to a multi-directional adjustable rotary valve valve distribution device for engines. Background Technology

[0002] In this crucial period of accelerated transformation and upgrading in the manufacturing industry, intelligentization, greening, and high energy efficiency have become the main pursuits for the development of the machinery manufacturing industry. This places higher demands on internal combustion engines, one of the modern distributed power sources, forcing engines to develop towards higher efficiency. Engine valve trains come in various forms, including side-valve and overhead-valve configurations. A superior valve train structure makes a significant contribution to improving combustion quality, making engine valve trains a hot research topic in modern internal combustion engines.

[0003] As one of the core components of an engine, the valve train's performance directly affects the engine's intake and exhaust efficiency. Traditional valve trains have certain limitations in terms of the precision of adjusting valve timing and volume, and also suffer from drawbacks such as high noise and difficulty in adjustment.

[0004] To meet the development requirements of high speed, high precision, and low energy consumption in engines, a multi-directional adjustable rotary valve valve distribution device and a dual-motor servo valve distribution method for engines are designed. Based on AC servo motor technology, a precise combination of servo motor and rotary valve control is achieved, which has outstanding engineering practical value. Summary of the Invention

[0005] The purpose of this invention is to provide a multi-directional adjustable rotary valve valve distribution device for engines, which can achieve precise valve distribution to engine cylinders and adjust the valve volume of engine cylinders. It solves the problem that traditional engine valve distribution devices cannot flexibly adjust the opening and closing time and duration of valves according to different operating conditions; and the problems that in traditional engines, the friction and inertial forces generated by the components of the valve distribution device during movement consume engine power, increase noise, and reduce transmission efficiency.

[0006] The technical solution adopted in this utility model is:

[0007] A multi-directional adjustable rotary valve valve distribution device for an engine includes a valve core 1, a valve core sleeve 2, a valve seat 3, a right bearing 4, a left bearing 5, a left end cover 6, a right end cover 7, a left mechanical seal ring 8, a right mechanical seal ring 9, a left sealing ring 18, a right sealing ring 19, and a servo rotary motor.

[0008] The valve core 1 is placed inside the valve core sleeve 2, which is installed in the valve seat 3. The valve core 1 is sealed to the left bearing 5 by a left mechanical seal ring 8, and the valve core sleeve 2 is sealed to the right bearing 4 by a right mechanical seal ring 9. The left end cover 6 is sealed to the valve seat 3 by a left sealing ring 18, and the right end cover 7 is sealed to the valve seat 3 by a right sealing ring 19.

[0009] The engine uses a multi-directional adjustable rotary valve valve distribution device that is directly connected to the cylinder at the bottom; the servo rotary motor includes a cover 10, a housing 11, a motor stator 12, a motor rotor 13, a cover 14, a motor spindle 15, and a rotary transformer.

[0010] The through cover 10 and the closed cover 14 are fixedly connected to both ends of the housing 11, forming the outer shell of the servo rotary motor together with the housing 11; the motor spindle 15 is fixedly connected to the motor rotor 13 and placed in the center of the servo rotary motor, and the motor spindle 15 is supported on the bearings at both ends of the servo rotary motor.

[0011] The rotary transformer can be further divided into a rotary rotor 16 and a rotary stator 17. The rotary stator 17 is fixedly connected to the end cap 14, and the rotary rotor 16 is fixedly connected to the motor spindle 15. The output end of the left motor spindle is fixedly connected to the valve core 1, and the output end of the right motor spindle is fixedly connected to the valve core sleeve 2. The valve core 1 is a cylindrical structure with two mutually perpendicular venting grooves on its surface, which are 90 degrees apart on the circumference. The valve core sleeve 2 is a hollow cylindrical structure with an open left end and a series of venting grooves spaced 60 degrees apart on its surface. The size of these grooves gradually increases. The valve seat 3 consists of two vertically arranged cylinders. The right side is used for air intake, and the left side is used for air exhaust. There is an arched groove at the bottom for installing the fuel injector. The top of the arched groove is arc-shaped, and the bottom is rectangular, presenting an overall shape of arched top and straight bottom.

[0012] The rotation of the right motor drives the valve core sleeve 2 to adjust the flow area of ​​the intake and exhaust ports; air enters the intake pipe of the valve seat 3 through the intake manifold, and under the drive of the left motor, the valve core 1 rotates, so that the intake slot connects with the pipe, and air enters the piston and cylinder through the rotary valve.

[0013] When exhaust gas is discharged, the exhaust gas enters the rotary valve from above the piston and the cylinder. Driven by the left motor, the valve core 1 rotates, so that the exhaust groove is connected to the pipe, and the exhaust gas is discharged into the exhaust manifold through the rotary valve. The valve core sleeve 2 can adjust the flow area of ​​the intake and exhaust ports in real time under the drive of the right motor.

[0014] The beneficial effects of this utility model are as follows: A multi-directional adjustable rotary valve valve distribution device for engines uses a servo rotary motor to precisely rotate the valve core 1 relative to the valve seat 3, thereby connecting or disconnecting the air inlet of the cylinder and the pipeline between the cylinder and the exhaust port. The intake phase and exhaust phase are adjusted by controlling the rotation of the servo rotary motor. The size of the air inlet and exhaust port is changed by rotating the adjustment sleeve through the servo rotary motor on the right side, thereby changing the intake volume and exhaust volume. This device has the advantages of compact structure, stable valve distribution, and convenient use and adjustment, and has broad market prospects. Attached Figure Description

[0015] Figure 1 This is the working diagram of the air intake of this utility model.

[0016] Figure 2 This is a working diagram of the exhaust system of this utility model.

[0017] Figure 3 This is a structural diagram of the valve core of this utility model.

[0018] Figure 4 This is a structural diagram of the valve core sleeve of this utility model.

[0019] Figure 5 This is an external view of the valve seat of this utility model. Detailed Implementation

[0020] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A multi-directional adjustable rotary valve valve distribution device for an engine includes a valve core 1, a valve core sleeve 2, a valve seat 3, a right bearing 4, a left bearing 5, a left end cover 6, a right end cover 7, a left mechanical seal ring 8, a right mechanical seal ring 9, a left sealing ring 18, a right sealing ring 19, and a servo rotary motor. The valve core 1 is assembled inside the valve core sleeve 2, and the valve core sleeve 2 is assembled inside the valve seat 3. The valve core 1 and the left bearing 5 are sealed by the left mechanical seal ring 8, and the valve core sleeve 2 and the right bearing 4 are sealed by the right mechanical seal ring 9. The right vertical air passage of the valve seat 3 is the intake passage, and the left vertical air passage is the exhaust passage. The bottom of the rotary valve is directly connected to the inside of the cylinder.

[0022] The servo rotary motor includes a cover 10, a housing 11, a motor stator 12, a motor rotor 13, a cover 14, a motor spindle 15, and a rotary transformer. The cover 10 and the cover 14 are fixedly connected to both ends of the housing 11, forming the outer shell of the servo rotary motor together with the housing 11. The motor spindle 15 is fixedly connected to the motor rotor 14 and placed in the core of the servo rotary motor. The motor spindle 15 is supported on bearings at both ends of the servo rotary motor. The rotary transformer can be further divided into a resolver rotor 16 and a resolver stator 17. The resolver stator 17 is fixedly connected to the cover 14, and the resolver rotor 16 is fixedly connected to the motor spindle 15. The output end of the left motor spindle is fixedly connected to the valve core 1, and the output end of the right motor spindle is fixedly connected to the valve core sleeve 2.

[0023] The valve core 1 is a cylindrical structure with two mutually perpendicular venting grooves on its outer circular surface. The two adjacent venting grooves are 90° apart on the outer circumference. The valve core sleeve 2 is a shell-shaped cylinder with an open left end. It has venting grooves on its outer circular surface, spaced 60° apart circumferentially, arranged from small to large. Each venting groove has an opening of the same size near its outer circumference. The valve core sleeve 2 has venting grooves with the same characteristics on its right end. The valve seat 3 consists of two vertically placed cylinders. Laterally, it has positions for the valve core 1, valve core sleeve 2, right bearing 4, left bearing 5, left end cap 6, right end cap 7, left mechanical seal ring 8, right mechanical seal ring 9, left seal ring 18, and right seal ring 19. The longitudinal air inlet and outlet channels are vertically connected. An arched groove for placing the fuel injector is opened at the bottom of the valve seat.

[0024] like Figure 1 , Figure 2 The bottom arched groove of valve seat 3 has an arc-shaped top and a rectangular bottom, presenting an overall shape that is arched at the top and straight at the bottom.

[0025] The working process of air intake and exhaust, as well as the adjustment of intake and exhaust volume:

[0026] The rotation of the right motor drives the valve core sleeve 2 to rotate, determining the size of the inlet and outlet flow surfaces. Air enters the intake pipe of the valve seat 3 through the intake manifold. Driven by the main shaft of the left motor, the valve core 1 rotates, connecting the intake groove with the pipe, allowing air to pass through the rotary valve to the upper part of the piston and into the cylinder. When exhaust gas is discharged, the exhaust gas enters the rotary valve from the upper part of the piston and into the cylinder. Driven by the main shaft of the left motor, the valve core 1 rotates, connecting the exhaust groove with the pipe, allowing the exhaust gas to pass through the rotary valve into the exhaust manifold, thus discharging the exhaust gas. Furthermore, the valve core sleeve 2 can adjust the size of the inlet and outlet flow surfaces in real time under the rotation of the right motor.

Claims

1. A multi-directional adjustable rotary valve valve distribution device for an engine, characterized in that... The system includes a valve core (1), a valve core sleeve (2), a valve seat (3), a right bearing (4), a left bearing (5), a left end cover (6), a right end cover (7), a left mechanical seal ring (8), a right mechanical seal ring (9), a left sealing ring (18), a right sealing ring (19), and a servo rotary motor. The valve core (1) is placed inside the valve core sleeve (2), which is installed in the valve seat (3). The valve core (1) is sealed to the left bearing (5) by a left mechanical seal ring (8), the valve core sleeve (2) is sealed to the right bearing (4) by a right mechanical seal ring (9), the left end cover (6) is sealed to the valve seat (3) by a left sealing ring (18), and the right end cover (7) is sealed to the valve seat (3) by a right sealing ring (19). The engine uses a multi-directional adjustable rotary valve valve distribution device that is directly connected to the cylinder at the bottom; the servo rotary motor includes a through cover (10), a housing (11), a motor stator (12), a motor rotor (13), a cover (14), a motor spindle (15), and a rotary transformer; the through cover (10) and the cover (14) are respectively fixedly connected to both ends of the housing (11), forming the outer shell of the servo rotary motor together with the housing (11); the motor spindle (15) is fixedly connected to the motor rotor (13) and placed in the core of the servo rotary motor, and the motor spindle (15) is supported on the bearings at both ends of the servo rotary motor; The rotary transformer can be divided into a rotary rotor (16) and a rotary stator (17). The rotary stator (17) is fixedly connected to the end cap (14), and the rotary rotor (16) is fixedly connected to the motor spindle (15). The output end of the left motor spindle is fixedly connected to the valve core (1), and the output end of the right motor spindle is fixedly connected to the valve core sleeve (2). The valve core (1) is a cylindrical structure with two vertical venting grooves on its surface, which are 90 degrees apart on the circumference. The valve core sleeve (2) is a hollow cylindrical structure with an open left end and a series of venting grooves spaced 60 degrees apart on its surface. The size of these grooves gradually increases. The valve seat (3) consists of two vertically arranged cylinders. The right side is used for air intake, and the left side is used for air exhaust. There is an arched groove at the bottom for installing the fuel injector. The top of the arched groove is arc-shaped, and the bottom is rectangular, presenting an overall shape of arched top and straight bottom.

2. The multi-directional adjustable rotary valve valve distribution device for an engine according to claim 1, characterized in that... The rotation of the right motor drives the valve core sleeve (2) to adjust the flow area of ​​the intake and exhaust ports; air enters the intake pipe of the valve seat (3) through the intake manifold, and the valve core (1) rotates under the drive of the left motor, so that the intake groove is connected to the pipe, and the air enters the piston and cylinder through the rotary valve; when exhaust gas is discharged, the exhaust gas enters the rotary valve from the piston and cylinder, and the valve core (1) rotates under the drive of the left motor, so that the exhaust groove is connected to the pipe, and the exhaust gas is discharged into the exhaust manifold through the rotary valve; the valve core sleeve (2) can adjust the flow area of ​​the intake and exhaust ports in real time under the drive of the right motor.

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