CN2460821Y - No-pressurization gas pressure reducer - Google Patents

No-pressurization gas pressure reducer Download PDF

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CN2460821Y
CN2460821Y CN01213864.9U CN01213864U CN2460821Y CN 2460821 Y CN2460821 Y CN 2460821Y CN 01213864 U CN01213864 U CN 01213864U CN 2460821 Y CN2460821 Y CN 2460821Y
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valve
pressure
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balance
diaphragm
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唐琳海
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

本实用新型提供了一种适用于医疗输氧、恒压自动控制、高压气体燃料的减压的非增压气体减压器。包括含高压进气口和低压气出口的阀体,其特征是阀体中有至少一个平衡式节流阀,与平衡式节流阀对应的含调压敏感膜片和调压弹簧的调压敏感组件,在调压敏感膜片和平衡式节流阀间有低压腔。使减压气体输出稳定,安全、可靠,适用范围广。

The utility model provides a non-pressurized gas pressure reducer suitable for medical oxygen delivery, constant pressure automatic control, and pressure reduction of high-pressure gas fuel. It includes a valve body including a high-pressure air inlet and a low-pressure air outlet, and is characterized in that there is at least one balanced throttle valve in the valve body, and a pressure regulating valve corresponding to the balanced throttle valve contains a pressure regulating sensitive diaphragm and a pressure regulating spring. Sensitive components, there is a low-pressure chamber between the pressure-regulating sensitive diaphragm and the balanced throttle valve. The decompression gas output is stable, safe and reliable, and has a wide range of applications.

Description

非增压气体减压器Non-pressurized gas pressure reducer

本实用新型涉及的是一种减压器，特别涉及的是一种适用于医疗输氧、恒压自动控制、高压气体燃料的减压的非增压气体减压器。The utility model relates to a pressure reducer, in particular to a non-pressurized gas pressure reducer suitable for medical oxygen delivery, constant pressure automatic control, and pressure reduction of high-pressure gas fuel.

目前，国内外广泛使用的氧气减压焊、割、医疗输氧减压以及高压气体燃料为能源的汽车，普遍采用单级串联减压或二级以上的多级机械式减压技术。已公知的真空减压调节阀属三级减压，结构复杂、体积庞大、制造成本高、减压输出气压及量随储压的增大而减小，随储压减小而增大，导致使用性能恶化，故障率太高。At present, the oxygen decompression welding, cutting, medical oxygen decompression and high-pressure gas fuel-powered vehicles widely used at home and abroad generally adopt single-stage series decompression or multi-stage mechanical decompression technology with two or more stages. The known vacuum decompression regulating valve is a three-stage decompression, with complex structure, large volume, high manufacturing cost, decompression output pressure and volume decrease with the increase of the storage pressure, and increase with the decrease of the storage pressure, resulting in The use performance deteriorates and the failure rate is too high.

鉴于以上原因，本实用新型的目的是为了提供一种能解决现在医疗输氧、恒压自动控制高压气体燃料减压等实际使用中存在的输出压力及量均产生不利的“压力减增效应”技术问题，使减压气体输出稳定，安全，可靠，适用范围广的非增压气体减压器。In view of the above reasons, the purpose of this utility model is to provide a technology that can solve the unfavorable "pressure reduction and increase effect" in the actual use of medical oxygen delivery, constant pressure automatic control of high-pressure gas fuel decompression, etc. To solve the problem, the decompressed gas output is stable, safe, reliable, and non-pressurized gas pressure reducer with a wide range of applications.

本实用新型的目的是这样来实现的：The purpose of this utility model is achieved like this:

本实用新型包括含高压进气口和低压气出口的阀体，其特征在于阀体中有至少一个平衡式节流阀，与平衡式节流阀对应的含调压敏感膜片和调压弹簧的调压敏感组件，在调压敏感膜片和平衡式节流阀间有低压腔。The utility model includes a valve body with a high-pressure air inlet and a low-pressure air outlet, and is characterized in that there is at least one balanced throttle valve in the valve body, and the valve body corresponding to the balanced throttle valve contains a pressure-regulating sensitive diaphragm and a pressure-regulating spring There is a low-pressure chamber between the pressure-regulating sensitive diaphragm and the balanced throttle valve.

上述的平衡式节流阀中有装在阀腔上的含出气阀口的阀门座，在阀腔的下部有含通孔的密封件，装在阀腔中的阀芯的下阀杆伸入密封件通孔中且可上下滑动而上阀杆穿过出气阀口伸入低压腔中，关闭弹簧装在下阀杆上且位于与高压进气口相通的高压腔中，下阀杆横截面积与阀门座上的出气阀口的横截面积相等。The above-mentioned balanced throttle valve has a valve seat with an outlet valve port installed on the valve cavity, a seal with a through hole at the lower part of the valve cavity, and the lower valve stem of the valve core installed in the valve cavity extends into the The seal is in the through hole and can slide up and down. The upper valve stem passes through the outlet valve port and extends into the low-pressure chamber. The closing spring is mounted on the lower valve stem and is located in the high-pressure chamber connected to the high-pressure inlet. The cross-sectional area of the lower valve stem is It is equal to the cross-sectional area of the outlet valve port on the valve seat.

上述的阀体上有两端分别与密封件上的通孔和低压腔相通的泄漏御压气道，安全。The above-mentioned valve body has two ends respectively connected with the through hole on the sealing member and the low-pressure cavity to prevent the leaking pressure air passage, which is safe.

上述的平衡式节流阀中有装在阀腔中的平衡膜片隔套，位于平衡膜片隔层中的含盲孔的平衡膜片隔芯，在平衡膜片隔芯上下端有大面积平衡膜片、小面积平衡膜片，阀腔被大、小面积平衡膜片隔成分别与高压进气口相通的大面积高压平衡腔，小面积高压平衡腔，节流阀芯上部穿过阀座上的出气阀口伸入低压腔而下部阀杆穿过大面积平衡膜片与平衡膜片隔芯连接，在小面积高压平衡腔中装有紧顶在小面积平衡膜片上的关闭弹簧。The above-mentioned balanced throttle valve has a balance diaphragm spacer installed in the valve cavity, a balance diaphragm spacer with blind holes in the balance diaphragm spacer, and a large area at the upper and lower ends of the balance diaphragm spacer. Balance diaphragm, small-area balance diaphragm, the valve cavity is divided into a large-area high-pressure balance chamber connected to the high-pressure air inlet by a large-area balance diaphragm and a small-area balance diaphragm, and a small-area high-pressure balance chamber, the upper part of the throttle valve core passes through the valve The air outlet valve port on the seat extends into the low-pressure chamber, and the lower valve stem passes through the large-area balance diaphragm to connect with the balance diaphragm core, and the small-area high-pressure balance chamber is equipped with a closing spring that is tightly pressed against the small-area balance diaphragm .

上述的平衡式节流阀中有装在阀体上的阀门座，与阀门座配合的阀芯座，阀芯座将阀腔隔成与高压气关闭锥孔相通的下高压腔和与下高压腔相通的上高压腔，下高压腔中有弹簧座，关闭弹簧套在弹簧座上，装在阀芯座中的阀芯上阀杆穿过出气阀口而下阀杆伸出阀芯座而与弹簧座连接，阀芯上阀杆横截面积与下阀杆横截面积之差为出气阀口的横截面积。The above-mentioned balanced throttle valve has a valve seat installed on the valve body and a valve core seat matched with the valve seat. There is a spring seat in the lower high-pressure chamber, and the closing spring is set on the spring seat. The upper valve stem of the valve core installed in the valve core seat passes through the outlet valve port, and the lower valve stem extends out of the valve core seat. Connected with the spring seat, the difference between the cross-sectional area of the upper stem of the valve core and the cross-sectional area of the lower stem is the cross-sectional area of the outlet valve port.

上述的平衡式节流阀中有螺纹连接在阀体上的节流阀座，装在节流阀腔中的节流阀芯一端伸入节流阀座出气阀口，密封固定在节流阀腔中，与密封配合的滑动密封的上部有一端伸入节流阀芯的回位弹簧而下端有关闭弹簧。The above-mentioned balanced throttle valve has a throttle valve seat threaded on the valve body, and one end of the throttle valve core installed in the throttle valve cavity extends into the throttle valve seat outlet valve port, and is sealed and fixed on the throttle valve. In the cavity, the upper part of the sliding seal that cooperates with the seal has a return spring that extends into the throttle valve core at one end and a closing spring at the lower end.

将本实用新型接入高压气体，即可减压输出调正的压力及量。当高压容器的储压减少到一定时，本实用新型输出调正压力及量不变。如本实用新型接入高压燃气，真空筒及管连接燃气发动机进气歧管，启动马达，即有经减压调节的燃气供给混合器使发动机运转。When the utility model is connected to high-pressure gas, the adjusted pressure and volume can be decompressed and output. When the storage pressure of the high-pressure vessel decreases to a certain level, the output adjustment pressure and volume of the utility model remain unchanged. If the utility model is connected with high-pressure gas, the vacuum cylinder and the pipe are connected to the intake manifold of the gas engine, the motor is started, and the gas supply mixer regulated by decompression is provided to make the engine run.

与已有技术相比，本实用新型具有如下优点：Compared with the prior art, the utility model has the following advantages:

1，结构简单，成本低；1. Simple structure and low cost;

2，可解决现有技术存的“压力减增效应”，使减压器不产生输出增压而稳定；2. It can solve the "pressure reduction and increase effect" in the existing technology, so that the pressure reducer does not produce output pressure increase and is stable;

3，适用范围广，可广泛用于医疗输气、恒压自动控制、高压气体燃料的减压等领域，可满足燃气发动机混合气成分随负荷改变的供气规律，减少故障率。3. It has a wide range of applications and can be widely used in medical gas transmission, constant pressure automatic control, decompression of high-pressure gas fuel, etc., and can meet the gas supply law of the gas engine mixture composition changing with the load and reduce the failure rate.

下面结合附图详细说明本实用新型的实施例：Embodiment of the utility model is described in detail below in conjunction with accompanying drawing:

图1为含孔、轴式平衡节流阀的本实用新型结构示意图。Fig. 1 is a structural schematic diagram of the utility model of a hole-containing, shaft-type balanced throttle valve.

图2为图1中孔轴式平衡节流阀结构示意图。Fig. 2 is a schematic diagram of the structure of the orifice shaft balance throttle valve in Fig. 1 .

图3为含径差式平衡节流阀的本实用新型结构示意图。Fig. 3 is a structural schematic diagram of the utility model including a diameter difference balance throttle valve.

图4为图3中径差式平衡节流阀结构示意图。Fig. 4 is a structural schematic diagram of the diameter difference balance throttle valve in Fig. 3 .

图5为平衡节流阀另一结构示意图。Fig. 5 is another structural schematic diagram of the balanced throttle valve.

图6为含弹力补偿平衡式节流阀的本实用新型结构示意图。Fig. 6 is a structural schematic diagram of the utility model including an elastic compensation balanced throttle valve.

图7为图6中弹力补偿平衡式节流阀结构示意图。FIG. 7 is a schematic structural diagram of the elastic compensation balanced throttle valve in FIG. 6 .

实施例1：Example 1:

图1、图2给出了本实用新型实施例1图。阀体56包括高压进气道1，低压气出口2。在阀体1的第1节流阀腔3、第2节流阀腔4中分别设置了两级孔轴式平衡节流阀5、6。低压腔7、8分别与节流阀5、6的出气口相通。分别含调压敏感膜片9、调压弹簧10、调压螺钉11的调压敏感组件12、13分别位于阀体上与低压腔7、8相对应的位置上。在第1节流阀腔4上有与高压进气道2相通的高压开闭锥孔14。孔轴式平衡节流阀5、6中分别有与节流阀腔螺纹连接的含出气阀口15的阀门座16，在节流阀腔的下部有含通孔的密封件17，装在阀腔中的阀芯18的下阀杆19伸入密封件通孔中且可上下滑动而上阀杆20穿过出气阀口伸入低压腔中，关闭弹簧57装在下阀杆上且位于与高压进气口相通的高压腔21中。下阀杆横截面积S1与阀门座上的出气阀口的横截面积S2相等。在阀体上有两端分别与密封件上的通孔和低压腔相通的泄漏御压气道22。在第一低压腔中，杠杆23一端铰接在阀体上而另一端与一级减压膜片上的固定件接触，阀杆与杠杆接触。工作时，高压气体通过高压进气道、高压开闭锥孔进入第一节流阀腔、减压后进入第二节流阀腔，再次减压后从低压气出口排出。Fig. 1, Fig. 2 have provided the utility model embodiment 1 figure. The valve body 56 includes a high-pressure air inlet 1 and a low-pressure air outlet 2 . In the first throttle cavity 3 and the second throttle cavity 4 of the valve body 1, two-stage orifice-type balanced throttle valves 5 and 6 are arranged respectively. The low-pressure chambers 7, 8 communicate with the gas outlets of the throttle valves 5, 6 respectively. Pressure regulating sensitive components 12 and 13 respectively containing pressure regulating sensitive diaphragm 9 , pressure regulating spring 10 and pressure regulating screw 11 are respectively located on the valve body at positions corresponding to low pressure chambers 7 and 8 . There is a high-pressure opening and closing taper hole 14 communicating with the high-pressure intake passage 2 on the first throttle chamber 4 . The orifice-shaft balanced throttle valves 5 and 6 are respectively provided with a valve seat 16 which is threadedly connected with the throttle cavity and contains an air outlet valve port 15, and a seal 17 with a through hole is arranged at the lower part of the throttle cavity, which is installed in the valve The lower valve stem 19 of the valve core 18 in the cavity extends into the through hole of the seal and can slide up and down while the upper valve stem 20 passes through the outlet valve port and extends into the low-pressure chamber. In the high-pressure chamber 21 that the air inlet communicates with. The cross-sectional area S1 of the lower valve stem is equal to the cross-sectional area S2 of the outlet valve port on the valve seat. On the valve body, two ends are respectively communicated with the through hole on the sealing member and the low-pressure cavity for leaking the pressure-resisting air channel 22 . In the first low-pressure chamber, one end of the lever 23 is hinged on the valve body and the other end is in contact with the fixing piece on the primary decompression diaphragm, and the valve stem is in contact with the lever. When working, the high-pressure gas enters the first throttle chamber through the high-pressure inlet port and the high-pressure opening and closing cone hole, enters the second throttle chamber after decompression, and is discharged from the low-pressure gas outlet after decompression again.

参见图2，高压气体从进气口进入高压腔，由于阀芯下阀杆与密封件产生密封，阀杆横截面积与出气阀口横截面积相等，所以阀芯受高压气体关闭推力等于零，定全是由阀芯关闭弹簧产生的关闭力来关闭。如果高压气体压力发生变化，作用在阀芯上的关闭力不会发生变化，从而保证输出气压的稳定(或者不会增加)。Referring to Figure 2, high-pressure gas enters the high-pressure chamber from the air inlet. Since the valve stem under the valve core is sealed with the seal, the cross-sectional area of the valve stem is equal to the cross-sectional area of the outlet valve port, so the closing thrust of the valve core by the high-pressure gas is equal to zero. The fixed valve is closed by the closing force generated by the closing spring of the spool. If the pressure of the high-pressure gas changes, the closing force acting on the valve core will not change, so as to ensure the stability of the output air pressure (or not increase).

实施例2：Example 2:

图3、图4给出了本实用新型实施2图。本实施例2基本与实施例1同。不同处是采用了径差式平衡节流阀。径差式平衡节流阀中有装在阀体阀腔中的含出气阀口24的阀门座25，与阀门座配合的阀芯座26，阀芯座将阀腔隔成与高压关闭锥孔相通的下高压腔27和与下高压腔27相通的上高压腔28。下高压腔中有弹簧座29。关闭弹簧30套在弹簧座上。装在阀芯座中的阀芯31上的上阀杆32穿过出气阀口而下阀杆33伸出阀芯座而与弹簧座连接。阀芯上阀杆横截面积S3与下阀杆横截面积S4之差为出气阀口的横截面积S5。在阀门座上部有密封件34。泄漏御压气道58两端分别与高压腔、低压腔相通。Fig. 3, Fig. 4 have provided 2 figures of the utility model implementation. Embodiment 2 is basically the same as Embodiment 1. The difference is that a radial differential balance throttle valve is used. In the radial differential balance throttle valve, there is a valve seat 25 containing the outlet valve port 24 installed in the valve cavity of the valve body, and a valve core seat 26 matched with the valve seat. The valve core seat separates the valve cavity into a high pressure closed cone hole. The lower high-pressure chamber 27 communicated with the upper high-pressure chamber 28 communicates with the lower high-pressure chamber 27. A spring seat 29 is arranged in the lower high-pressure chamber. Closing spring 30 is enclosed within on the spring seat. The upper valve rod 32 on the valve core 31 that is contained in the valve core seat passes the outlet valve port and the lower valve rod 33 stretches out the valve core seat and is connected with the spring seat. The difference between the cross-sectional area S 3 of the upper stem of the valve core and the cross-sectional area S 4 of the lower stem is the cross-sectional area S 5 of the outlet valve port. There is a seal 34 on the top of the valve seat. The two ends of the leakage pressure air passage 58 communicate with the high-pressure chamber and the low-pressure chamber respectively.

参见图4。高压气体从高压关闭锥孔进入高压腔，由于阀芯上阀杆和下阀杆与密封件产生密封，而上阀杆横截面积与下阀杆横截面积之差与出气阀口横截面积相等，故阀芯受气体关闭推力为零，完全是由阀芯关闭弹簧产生的关闭力来关闭。如果高压气体压力发生变化，作用在阀芯上的关闭力不会发生变化，从而保证输出气压的稳定(或是不增加)。See Figure 4. The high-pressure gas enters the high-pressure chamber from the high-pressure closing cone hole. Since the upper valve stem and the lower valve stem of the valve core are sealed with the seal, the difference between the cross-sectional area of the upper valve stem and the lower valve stem is equal to the cross-sectional area of the outlet valve port. are equal, so the valve core is closed by the gas closing thrust to zero, and it is completely closed by the closing force generated by the valve core closing spring. If the pressure of the high-pressure gas changes, the closing force acting on the valve core will not change, thereby ensuring the stability (or no increase) of the output air pressure.

图5给出了平衡节流阀芯另一结构示意图。有装在阀体阀腔35中的膜片隔套36，位于平衡膜片隔套36中的含盲孔37的平衡膜片隔芯38。在平衡膜片隔芯38上、下端有大面积平衡膜片39、小面积平衡膜片40。阀腔被大、小面积平衡膜片隔成分别与高压进气道59相通的大面积高压平衡腔41、小面积高压平衡腔42。节流阀芯43上部穿过阀座60上的出气阀口44伸入低压腔而下部阀杆45穿过大面积平衡膜片而与平衡膜片隔芯连接。在小面积高压平衡腔中装有紧顶在小面积平衡膜片上的关闭弹簧46。Fig. 5 shows another structural schematic diagram of the balanced throttle spool. There is a diaphragm spacer 36 installed in the valve cavity 35 of the valve body, and a balance diaphragm spacer 38 containing a blind hole 37 located in the balance diaphragm spacer 36 . There are a large-area balance diaphragm 39 and a small-area balance diaphragm 40 at the upper and lower ends of the balance diaphragm partition core 38 . The valve chamber is divided into a large-area high-pressure balance chamber 41 and a small-area high-pressure balance chamber 42 which communicate with the high-pressure inlet passage 59 respectively by large and small-area balance diaphragms. The upper part of the throttle spool 43 extends into the low-pressure chamber through the outlet valve port 44 on the valve seat 60, and the lower valve rod 45 passes through the large-area balance diaphragm and is connected with the balance diaphragm septum. A closing spring 46 tightly supported on the small-area balance diaphragm is housed in the small-area high-pressure balance chamber.

高压气体从进气口进入，经高压进气口分别进入大、小面积高压平衡腔中，此时气体压力通过大、小面积平衡膜片及平衡膜片隔芯，产生一个相对的平衡推力。由于大、小面积平衡膜片的面积差等于出气阀口的截面积，所以作用在隔片隔芯上的相对推力是相等的。此时，阀芯受高压气体关闭推力等于零，完全由阀芯关闭弹簧产生的关闭力来关闭。如果高压气体随气瓶气压不断降低而降低时，作用在阀芯上的关闭力不会受到气压降低的影响，从而保证输出气压的稳定(或不会增加)。The high-pressure gas enters from the air inlet, and enters the large and small high-pressure balance chambers respectively through the high-pressure air inlet. At this time, the gas pressure passes through the large and small area balance diaphragms and the balance diaphragm spacer to generate a relative balance thrust. Because the area difference between the large and small area balance diaphragms is equal to the cross-sectional area of the outlet valve port, the relative thrusts acting on the spacer core are equal. At this time, the closing thrust of the valve core by the high-pressure gas is equal to zero, and it is completely closed by the closing force generated by the closing spring of the valve core. If the high-pressure gas decreases with the continuous decrease of the cylinder pressure, the closing force acting on the valve core will not be affected by the decrease of the pressure, so as to ensure the stability (or no increase) of the output pressure.

实施例3：Example 3:

图6、图7给出了本实用新型实施例3图。本实施例基本与实施例1同，不同处是阀体上只设一个阀腔，装于阀腔中的是弹力补偿平衡式节流阀47。Fig. 6 and Fig. 7 have provided the utility model embodiment 3 figure. This embodiment is basically the same as Embodiment 1, the difference is that only one valve cavity is provided on the valve body, and the elastic compensation balanced throttle valve 47 is installed in the valve cavity.

参见图7，弹力补偿平衡式节流阀包括螺纹连接在阀体上的节流阀座48，装在阀腔中的节流阀芯49一端伸出节流阀座出气阀口50。密封51固定在节流阀腔中，与密封配合的滑动密封52的上部有一端伸入节流阀芯的回位弹簧53而下端有关闭弹簧54。泄漏御压气道55两端分别与减压气室和高压腔连通。Referring to FIG. 7 , the elastic force compensation balanced throttle valve includes a throttle valve seat 48 threaded on the valve body, and one end of the throttle valve core 49 installed in the valve cavity protrudes from the outlet valve port 50 of the throttle valve seat. The seal 51 is fixed in the throttle valve cavity, and the upper part of the sliding seal 52 cooperating with the seal has a return spring 53 with one end extending into the throttle valve core and a closing spring 54 at the lower end. The two ends of the leakage royal pressure air passage 55 communicate with the decompression chamber and the high pressure chamber respectively.

Claims (6)

1, non pressurized gas pressure reducer, comprise the valve body that contains high pressure admission mouth and low pressure gas outlet, it is characterized in that having in the valve body at least one balanced type throttle valve, the pressure regulation sensing assembly that contain pressure regulation sensitive diaphragm and pressure adjusting spring corresponding with the balanced type throttle valve has low-pressure cavity between pressure regulation sensitive diaphragm and balanced type throttle valve.
2, non pressurized gas pressure reducer as claimed in claim 1, it is characterized in that having in the balanced type throttle valve valve base that is contained in the valve port of giving vent to anger containing on the valve pocket, the Sealing that contains through hole is arranged in the bottom of valve pocket, the lower valve rod that is contained in the spool in the valve pocket stretches in the Sealing through hole and can slide up and down and upper valve rod passes the valve port of giving vent to anger stretches in the low-pressure cavity, close spring and be contained on the lower valve rod and be arranged in the hyperbaric chamber that communicates with the high pressure admission mouth, the cross-section area of the valve port of giving vent to anger on lower valve rod cross-section area and the valve base equates.
3, non pressurized gas pressure reducer as claimed in claim 2, it is characterized in that having on the valve body two ends respectively with Sealing on through hole and the leakage that communicates of low-pressure cavity drive and calm the anger.
4, non pressurized gas pressure reducer as claimed in claim 1, it is characterized in that being contained in the balanced type throttle valve balance diaphragm spacer is housed in the valve pocket, the balance diaphragm that contains blind hole that is arranged in balance diaphragm spacer is every core, every the core upper and lower end large size balance diaphragm is arranged at the balance diaphragm, small size balance diaphragm, valve pocket is by big, small size balance diaphragm is divided into the large size high pressure counter balance pocket that communicates with the high pressure admission mouth respectively, small size high pressure counter balance pocket, throttling valve core top passes that the valve port of giving vent to anger on the valve seat stretches into low-pressure cavity and the bottom valve rod passes large size balance diaphragm is connected every core with the balance diaphragm, and the spring of closing that presses closer on small size balance diaphragm is housed in small size high pressure counter balance pocket.
5, non pressurized gas pressure reducer as claimed in claim 1, it is characterized in that the valve base that is contained on the valve body is arranged in the balanced type throttle valve, the valve core case that cooperates with valve base, valve core case is divided into valve pocket with high pressure air and closes following hyperbaric chamber that taper hole communicates and the last hyperbaric chamber that communicates with following hyperbaric chamber, in the following hyperbaric chamber spring seat is arranged, close spring housing on spring seat, be contained in spool upper valve rod in the valve core case and pass and give vent to anger valve port and lower valve rod stretches out valve core case and be connected with spring seat, the difference of spool upper valve rod cross-section area and lower valve rod cross-section area is the cross-section area of valve port of giving vent to anger.
6, non pressurized gas pressure reducer as claimed in claim 1, it is characterized in that the throttle valve seat that is threaded on the valve body is arranged in the balanced type throttle valve, be contained in throttling valve core one end in the throttling valve pocket and stretch into the throttle valve seat valve port of giving vent to anger, sealing and fixing has an end to stretch into the return spring of throttling valve core with the top of the slipper seal that is sealed and matched and spring is closed in the lower end in the throttling valve pocket.
CN01213864.9U 2001-01-11 2001-01-11 No-pressurization gas pressure reducer Expired - Fee Related CN2460821Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN01213864.9U CN2460821Y (en) 2001-01-11 2001-01-11 No-pressurization gas pressure reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN01213864.9U CN2460821Y (en) 2001-01-11 2001-01-11 No-pressurization gas pressure reducer

Publications (1)

Publication Number Publication Date
CN2460821Y true CN2460821Y (en) 2001-11-21

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CN01213864.9U Expired - Fee Related CN2460821Y (en) 2001-01-11 2001-01-11 No-pressurization gas pressure reducer

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102086938A (en) * 2011-01-25 2011-06-08 张家港富瑞特种装备股份有限公司 Reducing valve
CN103117500A (en) * 2013-01-28 2013-05-22 江苏益林金刚石工具有限公司 RF slab CO2 laser shutter system
CN114033880A (en) * 2021-11-04 2022-02-11 重庆凯瑞动力科技有限公司 High-pressure hydrogen pressure reducing valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102086938A (en) * 2011-01-25 2011-06-08 张家港富瑞特种装备股份有限公司 Reducing valve
CN102086938B (en) * 2011-01-25 2013-04-10 张家港富瑞特种装备股份有限公司 Reducing valve
CN103117500A (en) * 2013-01-28 2013-05-22 江苏益林金刚石工具有限公司 RF slab CO2 laser shutter system
CN114033880A (en) * 2021-11-04 2022-02-11 重庆凯瑞动力科技有限公司 High-pressure hydrogen pressure reducing valve
CN114033880B (en) * 2021-11-04 2024-02-09 重庆凯瑞动力科技有限公司 High-pressure hydrogen pressure reducing valve

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