JPH0322187U

JPH0322187U -

Info

Publication number: JPH0322187U
Application number: JP8272989U
Authority: JP
Priority date: 1989-07-14
Filing date: 1989-07-14
Publication date: 1991-03-06

Description

[Brief explanation of drawings]

第１図および第２図ａ，ｂは本考案によるエア
ーコントロールバルブ付きリードバルブを示し、
第１図は作動中の概略縦断面図、第２図ａはダイ
アフラムを除いた上ケーシングの平面説明図、第
２図ｂはポートＡに配設する遮音部材の斜視図、
第３図、第４図、第５図ａ，ｂ，ｃおよび第６図
ａ，ｂはそれぞれ本考案によるエアーコントロー
ルバルブ付きリードバルブに用いる遮音部材の他
の例を示し、第３図は第２の実施例の斜視図、第
４図は第３の実施例の斜視図、第５図ａは第４の
実施例の斜視図、第５図ｂは第５図ａの断面図、
第５図ｃは第５図ｂの要部の側面図、第６図ａは
第５の実施例をポートＡ内に配設した状態の断面
図、第６図ｂは第６図ａの側面図、第７図および
第８図は従来のエアーコントロールバルブ付きリ
ードバルブを示し、第７図は不作動中の状態を示
す概略縦断面図、第８図は作動中の状態を示す概
略縦断面図である。１……上ケーシング、２……外筒、３……内筒
、３ａ……弁座部、４……ダイアフラム、４ａ…
…孔、５……窪み部、６……蓋部材、７……閉塞
部材、８……コイルスプリング、９……リードバ
ルブ、１０……下ケーシング、１１，１６……ね
じ、１２……連通孔、１３……ケースコンプリー
ト、１４……リード、１５……ストツパ、１７…
…保持部材、１８……遮音壁、１８ａ……隔壁、
１８ｂ……連通孔、１９，２９，３９，４９，５
９……遮音部材、２０，２２，３０，３２，４０
，４２，５０，５２，６０，６２……遮音壁、２
１，３１，５１，６１……一方の部材、２３，３
３，５３，６３……他方の部材、２４，４４……
ロツド、３４……遮結部、５２ａ……凸部、６３
ａ……凸条部、６５……溝、ｘ……遮音壁間の距
離、Ａ，Ｂ，Ｃ……ポート。 1 and 2 a and b show a reed valve with an air control valve according to the present invention,
FIG. 1 is a schematic vertical cross-sectional view during operation, FIG. 2 a is a plan view of the upper casing excluding the diaphragm, and FIG. 2 b is a perspective view of the sound insulating member disposed in port A.
3, 4, 5a, b, c and 6a, b respectively show other examples of the sound insulating member used in the reed valve with air control valve according to the present invention. FIG. 4 is a perspective view of the third embodiment, FIG. 5 a is a perspective view of the fourth embodiment, FIG. 5 b is a sectional view of FIG. 5 a,
Fig. 5c is a side view of the main part of Fig. 5b, Fig. 6a is a cross-sectional view of the fifth embodiment arranged in port A, and Fig. 6b is a side view of Fig. 6a. 7 and 8 show a conventional reed valve with an air control valve, FIG. 7 is a schematic longitudinal sectional view showing the inactive state, and FIG. 8 is a schematic longitudinal sectional view showing the operating state. It is a diagram. DESCRIPTION OF SYMBOLS 1...Upper casing, 2...Outer cylinder, 3...Inner cylinder, 3a...Valve seat, 4...Diaphragm, 4a...
... hole, 5 ... recess, 6 ... lid member, 7 ... closing member, 8 ... coil spring, 9 ... reed valve, 10 ... lower casing, 11, 16 ... screw, 12 ... communication Hole, 13...Case complete, 14...Lead, 15...Stopper, 17...
...Holding member, 18... Sound insulation wall, 18a... Partition wall,
18b...Communication hole, 19, 29, 39, 49, 5
9... Sound insulation member, 20, 22, 30, 32, 40
, 42, 50, 52, 60, 62... Sound insulation wall, 2
1, 31, 51, 61...One member, 23, 3
3, 53, 63...other member, 24, 44...
Rod, 34... Intercepting portion, 52a... Convex portion, 63
a... Convex portion, 65... Groove, x... Distance between sound insulation walls, A, B, C... Port.

Claims

[Claims for Utility Model Registration] (1) Between an upper casing 1 having an outer cylinder 2 with a cylindrical port A for inflow provided on the side surface and a lower casing 10 provided with a port C for outflow. A reed valve 9 is disposed within the upper casing 1,
A diaphragm 4 having a closing member 7 provided at its center with its outer peripheral edge held between lid members 6 provided on the upper casing 1, and a valve seat with which the closing member 7 provided on the diaphragm 4 comes into contact. An inner cylinder 3 having a portion 3a and a biasing member 8 that biases a closing member 7 provided on the diaphragm so as to come into contact with the valve seat portion 3a are provided. The lid member 6 is provided with a signal pressure port B for opening the gap between the inflow port A and the valve seat portion 3a by moving against the biasing force of the outer cylinder 2. A sound insulating wall 18 is provided in the space formed by the diaphragm 4 and the inner cylinder 3, and sound insulating members 19, 29, 39, 49, 59 are provided in the cylindrical port A for inflow. Reed valve with air control valve. (2) The sound insulation members 19, 29, 49, 59 are:
one member 21 in which a plurality of sound insulating walls 20, 30, 50, 60 having a size that covers more than half of the cross-sectional area of the inflow port A are provided at predetermined intervals;
31, 51, 61 and this one member 21, 31
, 51, 61 are the sound insulation walls 20, 30, 50, 60
Sound insulating walls 22, 32, 52, 62 having a size that covers more than half of the cross-sectional area of the inflow port A located between
The other member 23, 33, 53, 6 having a plurality of
3. The reed valve with air control valve according to claim 1, comprising: (3) The sound insulation member 39 includes a plurality of sound insulation walls 4 that extend radially from one wall surface of the inflow port A and have a size that covers more than half of the cross-sectional area of the port A.
0, and a plurality of sound insulating walls 42 located between the sound insulating walls 40 and extending radially from the other wall surface of the port A for inflow and having a size that covers more than half of the cross-sectional area of the port A, and these sound insulating walls 40. . , 42. The reed valve with an air control valve according to claim 1, further comprising a rod 44 connecting between the reed valve and the reed valve.