JPH0194678U - - Google Patents
Info
- Publication number
- JPH0194678U JPH0194678U JP19109787U JP19109787U JPH0194678U JP H0194678 U JPH0194678 U JP H0194678U JP 19109787 U JP19109787 U JP 19109787U JP 19109787 U JP19109787 U JP 19109787U JP H0194678 U JPH0194678 U JP H0194678U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- port
- pressure
- box
- axial direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
- Safety Valves (AREA)
- Details Of Valves (AREA)
- Flow Control (AREA)
Description
第１図はこの考案の一実施例を示す流量調整弁
の縦断正面図、第２図は同上の流量調整弁が設置
される逆止弁の緩衝装置を示す縦断正面図、第３
図は従来の流量調整弁の縦断正面図、第４図は従
来の流量調整弁が設置される逆止弁の緩衝装置を
示す縦断正面図、第５図は従来の緩衝装置が設置
される逆止弁を示す縦断正面図である。
１…流量調整弁、２…流入口、３…流出口、４
…油圧緩衝装置、５…弁箱、６…連通管、７…弁
口部材、１５…弁口、１８…連結部材、２１…シ
リンダブロツク、２２…ケース、２３…ケースカ
バー、２８…ピストンブロツク、３０…ベロフラ
ムパツキン、３１…ニードル弁、３４…受圧室、
３５…コイルばね。
Fig. 1 is a longitudinal sectional front view of a flow rate regulating valve showing an embodiment of this invention, Fig. 2 is a longitudinal sectional front view showing a shock absorber of a check valve in which the same flow regulating valve is installed, and Fig. 3
The figure is a longitudinal front view of a conventional flow rate regulating valve, Figure 4 is a longitudinal front view of a check valve shock absorber in which a conventional flow regulator valve is installed, and Figure 5 is a reverse cross-sectional view showing a check valve shock absorber in which a conventional flow regulator is installed. FIG. 3 is a longitudinal sectional front view showing the stop valve. 1...Flow rate adjustment valve, 2...Inflow port, 3...Outflow port, 4
...Hydraulic shock absorber, 5...Valve box, 6...Communication pipe, 7...Valve port member, 15...Valve port, 18...Connecting member, 21...Cylinder block, 22...Case, 23...Case cover, 28...Piston block, 30... Bellofram packing, 31... Needle valve, 34... Pressure receiving chamber,
35...Coil spring.
Claims (1)
に有し、このピストンによつて区画されるシリン
ダ内の２つの室間を連通する連通管に設置される
逆止弁の緩衝装置用の流量調整弁であつて、逆止
弁の弁体に逆流圧が作用したとき、シリンダ内を
移動するピストンによつて圧縮される側の室から
の緩衝用流体が流入する流入口、および該流体が
流出する流出口が弁箱の軸方向の異なる位置に穿
設され、この弁箱内の流出入口間に流入口と流出
口を連通する弁口が軸方向を向いて穿設された弁
口部材が嵌合され、外周部が小径部と大径部に形
成されて前記弁口部材の弁口にわずかな隙間をも
つて挿入されるニードル弁を具えた受圧部材が流
入口側の弁箱内に軸方向の移動が可能なように配
設され、前記流入口から流入する緩衝用流体の流
入口側の弁箱内圧力が所定圧力を超えたときにニ
ードル弁の大径部が弁口に位置し、かつ前記流入
口側の弁箱内圧力が所定圧力に達していないとき
にニードル弁の小径部が弁口に位置するように前
記受圧部材を弁口部材側に付勢する付勢部材が配
設されていることを特徴とする流量調節弁。 Flow rate for a shock absorber for a check valve that has a piston connected to the valve body of the check valve inside the cylinder, and is installed in a communication pipe that communicates between two chambers in the cylinder that are partitioned by this piston. The regulating valve includes an inlet into which buffering fluid flows from a chamber compressed by a piston moving in the cylinder when backflow pressure acts on the valve body of the check valve; A valve member in which outflow ports are bored at different positions in the axial direction of a valve box, and a valve port that communicates the inflow port and the outflow port is bored in the axial direction between the outflow ports in the valve box. is fitted, and a pressure-receiving member having a needle valve whose outer circumference is formed into a small-diameter part and a large-diameter part and which is inserted into the valve port of the valve port member with a slight gap is inserted into the valve box on the inflow port side. The needle valve is arranged to be movable in the axial direction, and when the pressure inside the valve box on the inlet side of the buffer fluid flowing from the inlet exceeds a predetermined pressure, the large diameter part of the needle valve moves into the valve opening. and a biasing member that biases the pressure receiving member toward the valve port member so that the small diameter portion of the needle valve is located at the valve port when the pressure inside the valve box on the inflow port side has not reached a predetermined pressure. A flow control valve characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19109787U JPH0452540Y2 (en) | 1987-12-15 | 1987-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19109787U JPH0452540Y2 (en) | 1987-12-15 | 1987-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0194678U true JPH0194678U (en) | 1989-06-22 |
| JPH0452540Y2 JPH0452540Y2 (en) | 1992-12-10 |
Family
ID=31482023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19109787U Expired JPH0452540Y2 (en) | 1987-12-15 | 1987-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452540Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007156649A (en) * | 2005-12-01 | 2007-06-21 | Taichi Inada | Pressure flow rate proportional control valve |
| JP2017506317A (en) * | 2014-02-21 | 2017-03-02 | ビーエスアンドビー イノベーション リミテッド | Rotating pressure relief valve assembly |
-
1987
- 1987-12-15 JP JP19109787U patent/JPH0452540Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007156649A (en) * | 2005-12-01 | 2007-06-21 | Taichi Inada | Pressure flow rate proportional control valve |
| JP2017506317A (en) * | 2014-02-21 | 2017-03-02 | ビーエスアンドビー イノベーション リミテッド | Rotating pressure relief valve assembly |
| CN106574726A (en) * | 2014-02-21 | 2017-04-19 | Bs&B 创新有限公司 | Rotatable pressure relief valve assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0452540Y2 (en) | 1992-12-10 |
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