JPS61137869U

JPS61137869U -

Info

Publication number: JPS61137869U
Application number: JP2000485U
Authority: JP
Priority date: 1985-02-16
Filing date: 1985-02-16
Publication date: 1986-08-27

Description

[Brief explanation of the drawing]

第１図は本考案の二重摺動弁式可変ベンチユリ
気化器の実施例の縦断面図、第２図は実願昭５９
―１３５９１０号提案の二重摺動弁式可変ベンチ
ユリ気化器の縦断面図である。符号の説明、１…筐体、２…主吸気通路、３…
摺動弁室、３―１…下流側内壁面、３―２…上流
側内壁面、３―３…摺動弁室を囲む壁体、４…摺
動弁、５…２次弁体、５―２…方形柱状部、５―
３…鍔部、６…１次弁体、６―１…下方部分の延
設部、７…連結桿、８…スプリング、９…浮子室
体、１０…浮子室、１１…ニードルジエツト、１
２…ジエツトニードル、１３…ニードルクリツプ
、１４…負圧室、１５…大気圧室、１６…ダイア
フラム、１７…負圧室ケース、１８…大気圧室ケ
ース、１９…大気圧室に大気圧を導く通路、２０
…操作レバー、２１…吸気流の方向を示す矢印、
２２…間隙。 Fig. 1 is a vertical sectional view of an embodiment of the double sliding valve type variable bench lily carburetor of the present invention, and Fig. 2 is a vertical sectional view of an embodiment of the double sliding valve type variable bench lily carburetor of the present invention.
135910 is a longitudinal sectional view of the double sliding valve type variable bench lily carburetor proposed in No. 135910. Explanation of symbols, 1... Housing, 2... Main intake passage, 3...
Sliding valve chamber, 3-1...Downstream inner wall surface, 3-2...Upstream inner wall surface, 3-3...Wall surrounding the sliding valve chamber, 4...Sliding valve, 5...Secondary valve body, 5 -2...square columnar part, 5-
3... Flange part, 6... Primary valve body, 6-1... Lower part extension part, 7... Connecting rod, 8... Spring, 9... Float chamber body, 10... Float chamber, 11... Needle jet, 1
2...Jet needle, 13...Needle clip, 14...Negative pressure chamber, 15...Atmospheric pressure chamber, 16...Diaphragm, 17...Negative pressure chamber case, 18...Atmospheric pressure chamber case, 19...Atmospheric pressure to the atmospheric pressure chamber Leading passage, 20
...operation lever, 21...arrow indicating the direction of intake air flow,
22...Gap.

Claims

[Scope of utility model registration request]

Sliding valve chamber 3 with a rectangular cross section that intersects the main intake passage 2
A sliding valve 4 that opens and closes the main intake passage 2 by sliding therein opens and closes the sliding valve chamber in response to a negative pressure change in the bench lily portion formed by the sliding valve 4 and the main intake passage 2. The secondary valve body 5 slides along the downstream inner wall surface 3-1 of the main intake passage 2, and is biased by a spring 8 against the secondary valve body 5 in the direction of opening the main intake passage 2. The sliding valve chamber 3 is manually operated in the direction of closing the main intake passage 2 against the force of the spring 8.
a primary valve body 6 that slides along the upstream inner wall surface 3-2 of the secondary valve body 5;
Next, a diaphragm 16 that causes the valve body 5 to respond to the negative pressure of the vent lily is fixed, and above the diaphragm 16 is a negative pressure chamber 1 into which the negative pressure of the vent lily is introduced.
4 is a double sliding valve type variable bench lily carburetor in which an atmospheric pressure chamber 15 communicating with the atmosphere is formed below, in which the upper end surface of the wall surrounding the sliding valve chamber 3 extends over the entire circumference. The plane is in the same plane as the lower surface of the flange 5-3 formed at the upper end peripheral edge of the rectangular columnar part 5-2 extending from the upper part of the secondary valve body 5 toward the upstream side. , a double sliding valve type variable bench lily carburetor, characterized in that the secondary valve body 5 comes into airtight contact with the secondary valve body 5 before it starts rising.