CN213360204U

CN213360204U - Valve seat

Info

Publication number: CN213360204U
Application number: CN202022222568.1U
Authority: CN
Inventors: 张世信; 张振峰
Original assignee: Hengshui Benefit Double Acting Engine Technology Development Co ltd
Current assignee: Hengshui Benefit Double Acting Engine Technology Development Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-04
Anticipated expiration: 2030-09-25

Abstract

The valve seat belongs to the technical field of power machinery; the invention relates to a valve seat, a valve port is arranged on a machine body, a positioning hole concentric with the valve port is arranged on the machine body, a positioning table (2) and a positioning plane (3) of the valve seat (1) are matched with the positioning hole and the positioning plane on the machine body, the positioning table (2) of the valve seat (1) is arranged in the positioning hole of the machine body, a valve guide pipe is arranged in a valve guide pipe hole (5) of the valve seat (1), a valve is arranged on the valve seat (1) through the valve port on the machine body, the valve guide pipe and a valve spring on the valve seat (1), and the valve seat (1) is fixed on the machine body through a channel passing hole (8) by screws.

Description

Valve seat

Technical Field

The utility model relates to a valve seat of internal-combustion engine belongs to power machinery's technical field.

Background

The valve port, valve guide, valve spring, valve, etc. of the internal combustion engine are all mounted on the cylinder head, and the cylinder head is fixed on the engine body by screws.

Disclosure of Invention

A valve seat, the valve port is installed on the organism, there are locating holes concentric with valve port on the organism, there are locating tables (2) on the valve seat (1), the locating plane (3), the spring pit (4), the valve conduit hole (5), the air drain (6), the valve spring is installed in spring pit (4), the valve conduit is installed in valve conduit hole (5), the locating tables (2) of the valve seat (1), the locating plane (3), cooperate with locating hole and locating plane on the organism, the locating tables (2) are packed into locating hole on the organism, the valve seat (1) is fixed on organism through the hole of crossing (8) with the screw, the air cleaner or carburetor or muffler air drain (6) on the valve seat (1), fix on the valve seat (1) with the screw, the valve passes the valve port on the organism, valve conduit, valve spring on the valve seat, the rocker arm is arranged on the valve seat (1), the rocker arm upright post is fixed on the valve seat (1) by screws, and the rocker arm is arranged on the rocker arm upright post and contacts with the valve to control the opening and closing of the valve.

Drawings

FIG. 1 is a front schematic view of a valve seat.

FIG. 2 is a right side schematic view of a valve seat.

FIG. 3 is a left side schematic view of a valve seat.

FIG. 4 is a cross-sectional schematic view of the valve seat taken along line A-A.

In the figure, 1 valve seat, 2 positioning platforms, 3 positioning planes, 4 spring pits, 5 valve guide pipe holes, 6 air passages, 7 screw holes, 8 passage holes and 9 grooves.

Detailed Description

In fig. 1, a valve guide is arranged in a valve guide hole 5, a valve spring is arranged in a spring pit 4, a rocker arm upright post is fixed on a valve seat by screws, and the valve seat 1 is fixed on a machine body by screws through a passage hole 8.

In fig. 2, a positioning table 2 is arranged in a positioning hole on a machine body, a positioning plane 3 is matched with the positioning plane on the machine body, and an air filter or a carburetor or a silencer is connected with an air passage 6 and fixed on a valve seat 1 by screws.

In fig. 3, the positioning table 2 is fitted into a positioning hole in the body, and the positioning plane 3 is fitted into a positioning hole plane in the body.

In fig. 4, a valve spring is arranged in a spring pit 4, a valve guide pipe is arranged in a valve guide pipe hole 5, a positioning platform 2 is arranged in a positioning hole on a machine body, a positioning plane 3 is matched with a positioning plane on the machine body, and an air filter or a carburetor or a silencer is communicated with an air passage 6 and fixed on a valve seat 1 by screws.

The valve is installed on the valve seat through a valve port on the machine body, a valve guide pipe and a valve spring on the valve seat, the rocker upright post is fixed on the valve seat 1 through screws, and the rocker is installed on the rocker upright post and contacts with the valve to control the opening and closing of the valve.

Claims

1. A valve seat is characterized in that a valve port is installed on a machine body, a positioning hole concentric with the valve port is formed in the machine body, a positioning table (2), a positioning plane (3), a spring pit (4), a valve guide hole (5) and an air passage (6) are arranged on the valve seat (1), a valve spring is installed in the spring pit (4), a valve guide is installed in the valve guide hole (5), the positioning table (2) and the positioning plane (3) of the valve seat (1) are matched with the positioning hole and the positioning plane on the machine body, the positioning table (2) is installed in the positioning hole on the machine body, the valve seat (1) is fixed on the machine body through a passage hole (8) by screws, an air filter or a carburetor or a silencer on the valve seat (1) is fixed on the valve seat (1) by screws, and a valve passes through the valve port on the machine body and the valve guide on the valve seat, The valve spring is installed on the valve seat (1), the rocker arm upright post is fixed on the valve seat (1) through screws, and the rocker arm is installed on the rocker arm upright post and contacts with the valve to control the opening and closing of the valve.