阅读说明：本技术 切调一体式调压器及集成式燃气调压芯 (Cut-adjusting integrated pressure regulator and integrated gas pressure regulating core ) 是由 海明璋 陈力生 孙明烨 梁金凤 程小伟 芦超 赵记锁 秦业美 张晓瑞 于 2019-11-26 设计创作，主要内容包括：本发明是关于一种切调一体式调压器及集成式燃气调压芯,涉及燃气设备技术领域。主要技术方案为：切调一体式调压器,包括：调压装置上膜壳、调压装置下膜壳、调压装置阀芯、切断装置膜壳、切断装置阀芯。调压装置上膜壳设置有第一通道,调压装置下膜壳设置有第二通道,扣合形成密封的调压装置阀腔；调压装置阀芯安装在调压装置阀腔中分割形成上调压腔体和下调压腔体,调压装置阀芯竖直的穿设在第二通道中；切断装置膜壳设置有第三通道与调压装置上膜壳扣合形成切断装置阀腔；切断装置阀芯安装在切断装置阀腔中分割成上切断腔体和密封的下切断腔体,切断装置阀芯穿设在第一通道和第三通道中。解决了调压装置和切断装置集成度低、占用空间大的问题。(The invention relates to a switching and adjusting integrated pressure regulator and an integrated gas pressure regulating core, and relates to the technical field of gas equipment. The main technical scheme is as follows: surely transfer integral type voltage regulator includes: the pressure regulating device comprises a pressure regulating device upper membrane shell, a pressure regulating device lower membrane shell, a pressure regulating device valve core, a cutting device membrane shell and a cutting device valve core. The upper membrane shell of the pressure regulating device is provided with a first passage, and the lower membrane shell of the pressure regulating device is provided with a second passage which is buckled to form a sealed valve cavity of the pressure regulating device; the valve core of the pressure regulating device is arranged in the valve cavity of the pressure regulating device and is divided into an upper pressure regulating cavity and a lower pressure regulating cavity, and the valve core of the pressure regulating device vertically penetrates through the second channel; the cutting device membrane shell is provided with a third channel which is buckled with the upper membrane shell of the pressure regulating device to form a valve cavity of the cutting device; the cutting device valve core is arranged in the cutting device valve cavity and is divided into an upper cutting cavity and a sealed lower cutting cavity, and the cutting device valve core is arranged in the first channel and the third channel in a penetrating mode. The problems of low integration level and large occupied space of the pressure regulating device and the cutting device are solved.)

1. The utility model provides a surely transfer integral type voltage regulator which characterized in that includes:

the top of the pressure regulating device upper membrane shell is provided with a first channel;

the bottom of the pressure regulating device lower membrane shell is provided with a second channel, and the pressure regulating device lower membrane shell and the pressure regulating device upper membrane shell are buckled to form a sealed pressure regulating device valve cavity;

the pressure regulating device valve core is arranged in the pressure regulating device valve cavity and divides the pressure regulating device valve cavity into an upper pressure regulating cavity and a lower pressure regulating cavity, and the pressure regulating device valve core vertically penetrates through the second channel and is used for being matched with an air outlet channel of a lower box body of the integrated gas pressure regulating core to form a switchable valve port;

the top of the membrane shell of the cutting device is provided with a third channel, and the membrane shell of the cutting device is buckled with the outer surface of the top of the membrane shell of the pressure regulating device to form a valve cavity of the cutting device;

the cutting device valve core is arranged in the cutting device valve cavity and is divided into an upper cutting cavity and a sealed lower cutting cavity, and the cutting device valve core vertically penetrates through the first channel and the third channel and is coaxial with the regulating device valve core;

the upper pressure regulating cavity is communicated with the fuel gas output channel, the lower pressure regulating cavity is communicated with the fuel gas input channel, the upper cutting cavity is communicated with the atmosphere, and the lower cutting cavity is communicated with the fuel gas output channel;

when the gas pressure in the lower cutting cavity is larger than a preset value, the cutting valve core is in a cutting state, and one end of the cutting valve core is pressed on the pressure regulating device valve core, so that the valve port is sealed by the pressure regulating device valve core.

2. The cut-and-regulate integrated voltage regulator of claim 1,

the first channel, the second channel and the third channel are coaxial and are vertical channels.

3. The cut-and-regulate integrated pressure regulator of claim 1 or 2, wherein the pressure regulating device spool includes:

the first valve rod, the pressure regulating film and the cutting valve clack;

the first valve rod is slidably arranged in the second channel in a penetrating manner, one end of the first valve rod is positioned in the pressure regulating device valve cavity and fixedly connected with the pressure regulating diaphragm, and the other end of the first valve rod extends out of the pressure regulating device valve cavity and is fixedly connected with the cutting valve clack;

the edge of the pressure regulating film is clamped in the edge where the upper film shell of the pressure regulating device and the lower film shell of the pressure regulating device are combined, a first spring is supported between the cutting valve clack and the outer surface of the lower film shell of the pressure regulating device in a propping mode, and the cutting valve clack is used for being matched with the air outlet channel to form the valve port capable of being opened and closed.

4. The cut-and-regulate integrated pressure regulator of claim 3, wherein the pressure regulator spool further comprises:

a shim and a balancing tray;

the first valve rod is divided into two sections, the first section is positioned in the valve cavity of the pressure regulating device, one end of the first valve rod is provided with an external thread, the other end of the first valve rod is provided with a boss, the boss is propped against an opening at the inner side of the second channel, and the second section is arranged in the second channel in a penetrating manner;

wherein, balanced tray the pressure regulating diaphragm and the gasket is overlapped in proper order first section, balanced tray's both ends top the boss with between the pressure regulating diaphragm, the nut has been twisted soon to the external screw thread department of first section, will the pressure regulating diaphragm presss from both sides tightly to be fixed on the first valve rod.

5. The cut-and-regulate integrated voltage regulator of claim 4,

the pressure regulating diaphragm comprises a first tray and a first elastic diaphragm, the area of the first tray is smaller than that of the first elastic diaphragm, and the number of the first tray is two, and the two side faces of the first elastic diaphragm are located respectively.

6. The integrated cut-and-tune pressure regulator of claim 4, further comprising:

the balance diaphragm is annular, the inner ring of balance diaphragm presss from both sides balance tray with between the boss, the balance diaphragm outer loop passes through the clamping ring to be fixed on the inner wall of membrane shell under the pressure regulating device, and apart from the inboard opening of second passageway is preset apart from.

7. The cut-and-regulate integrated pressure regulator of claim 1 or 2, wherein the shut-off device spool includes:

the ball grid mechanism is connected with the second valve rod through a ball grid mechanism;

one end of the second valve rod penetrates through the third channel and extends out of the valve cavity of the cutting device, the other end of the second valve rod penetrates through the first channel and extends into the valve cavity of the pressure regulating device, a striking plate is arranged at the end part of the other end of the second valve rod, the second spring is supported between the striking plate and the inner wall of the upper membrane shell of the pressure regulating device in a propping manner, the spring seat is sleeved on the second valve rod and is connected with the inner wall of the third channel, the edge of the cutting diaphragm is clamped in the edge, in which the upper membrane shell of the pressure regulating device and the membrane shell of the cutting device are combined, the cutting diaphragm is fixed in the middle of the second valve rod through the ball grid mechanism, and the third spring is supported between the spring seat and the ball grid mechanism in a propping manner;

when the gas pressure in the lower cutting cavity is greater than a preset value, the ball grid mechanism removes the limitation on the movement of the second valve rod, and the second valve rod moves into the valve cavity of the pressure regulating device and is pressed on the valve core of the pressure regulating device.

8. The tangential integral voltage regulator of claim 7, wherein said ball grid mechanism comprises:

the ball grid sleeve, the steel ball, the pressure ring, the ball grid retaining sleeve and the locking cover;

the ball grid sleeve is provided with three-step holes, namely a first-step hole, a second-step hole and a third-step hole, the aperture of the first-step hole is gradually increased from a first end of the ball grid sleeve to a second end opposite to the first end of the ball grid sleeve, the outer wall of the ball grid sleeve is provided with a circle of convex edge, one side of the convex edge, which is positioned at the first end, is abutted against a third spring, the middle part of the cutting diaphragm is sleeved on the ball grid sleeve, the pressing ring is sleeved at the second end and is connected with the second end, and the cutting diaphragm is clamped at one side of the convex edge, which is positioned at the second end;

the ball grid retaining sleeve is step-shaped and comprises a first step sleeve and a second step sleeve, the outer diameter of the first step sleeve is smaller than that of the second step sleeve, a necking is formed in the outer surface of an upper membrane shell of the pressure regulating device of the first channel, the ball grid retaining sleeve is sleeved on the second valve rod, the second step sleeve is arranged in the first channel in a penetrating mode, the first step sleeve extends into the lower cutting cavity, the locking cover is sleeved on the second valve rod and connected with the first channel, and the ball grid retaining sleeve is fixed in the first channel;

the side wall of the first-step sleeve is provided with a through hole, the first-step sleeve stretches into the second-step hole in a clearance fit mode, the second valve rod is provided with an annular groove in the position corresponding to the through hole, and the steel ball is arranged in the through hole and the annular groove and used for limiting the second valve rod.

9. The integrated cut-and-tune pressure regulator of claim 1, further comprising:

the first pipe joint is arranged on the upper membrane shell of the pressure regulating device and communicated with the upper pressure regulating cavity;

the second pipe joint is arranged on the upper membrane shell of the pressure regulating device and communicated with the lower cutting cavity;

and the third pipe joint is arranged on the lower membrane shell of the pressure regulating device and is used for being communicated with a lower box body of the integrated gas pressure regulating core arranged on the outer side of the lower membrane shell of the pressure regulating device.

10. An integrated gas-regulated wick, comprising:

the cut-and-tune integrated voltage regulator of any one of claims 1-9;

the upper box body accommodates an upper membrane shell and a cutting device membrane shell of a pressure regulating device of the cutting and adjusting integrated pressure regulator and is hermetically connected with the outer wall of a lower membrane shell of the pressure regulating device of the cutting and adjusting integrated pressure regulator, the lower box body is hermetically connected with the upper box body and accommodates a lower membrane shell of the pressure regulating device outside the upper box body, the lower box body is provided with an air inlet and an air outlet channel communicated with the lower box body, and a valve core of the pressure regulating device of the cutting and adjusting integrated pressure regulator is matched with the air inlet of the air outlet channel of the lower box body to form a switchable valve port;

and the filtering device is arranged between the air inlet and the valve port and is used for filtering the conveyed natural gas.

Technical Field

The invention relates to the technical field of gas pressure regulating equipment, in particular to a switching and regulating integrated pressure regulator and an integrated gas pressure regulating core.

Background

Most of the traditional gas pressure regulators in China are arranged on the ground, and a cut-off valve, a filter, a pressure regulator and the like are sequentially connected inside a box body through pipelines.

The pressure regulating box in the ground arrangement mode has the problems of complex installation structure and relatively complex maintenance. Technical personnel invent the gas pressure regulator of underground arrangement form in order to solve this problem, but the gas pressure regulator of underground arrangement form also needs to set up and cuts off valve, filter, pressure regulator etc. in the form of split, and these devices are integrated level lowly, occupy great space in the gas pressure regulator, lead to the volume of gas pressure regulator too big.

The above technical problem needs to be further solved.

Disclosure of Invention

The invention mainly aims to provide a cut-and-regulate integrated pressure regulator and an integrated gas pressure regulating core, which can solve the problems of low integration level and large occupied space of a pressure regulating device and a cutting device in the prior art.

The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. According to the invention, the invention provides a switching and adjusting integrated voltage regulator, which comprises:

the top of the pressure regulating device upper membrane shell is provided with a first channel;

the bottom of the pressure regulating device lower membrane shell is provided with a second channel, and the pressure regulating device lower membrane shell and the pressure regulating device upper membrane shell are buckled to form a sealed pressure regulating device valve cavity;

the pressure regulating device valve core is arranged in the pressure regulating device valve cavity and divides the pressure regulating device valve cavity into an upper pressure regulating cavity and a lower pressure regulating cavity, and the pressure regulating device valve core vertically penetrates through the second channel and is used for being matched with an air outlet channel of a lower box body of the integrated gas pressure regulating core to form a switchable valve port;

the top of the membrane shell of the cutting device is provided with a third channel, and the membrane shell of the cutting device is buckled with the outer surface of the top of the membrane shell of the pressure regulating device to form a valve cavity of the cutting device;

the cutting device valve core is arranged in the cutting device valve cavity and is divided into an upper cutting cavity and a sealed lower cutting cavity, and the cutting device valve core vertically penetrates through the first channel and the third channel and is coaxial with the regulating device valve core;

the upper pressure regulating cavity is communicated with the fuel gas output channel, the lower pressure regulating cavity is communicated with the fuel gas input channel, the upper cutting cavity is communicated with the atmosphere, and the lower cutting cavity is communicated with the fuel gas output channel;

when the gas pressure in the lower cutting cavity is larger than a preset value, the cutting valve core is in a cutting state, and one end of the cutting valve core is pressed on the pressure regulating device valve core, so that the valve port is sealed by the pressure regulating device valve core.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

Optionally, in the above-mentioned cut-and-adjust integrated voltage regulator, the first channel, the second channel, and the third channel are coaxial and are vertical channels.

Optionally, in the aforementioned cut-and-regulate integrated pressure regulator, the pressure regulating device valve element includes:

the first valve rod, the pressure regulating film and the cutting valve clack;

the first valve rod is slidably arranged in the second channel in a penetrating manner, one end of the first valve rod is positioned in the pressure regulating device valve cavity and fixedly connected with the pressure regulating diaphragm, and the other end of the first valve rod extends out of the pressure regulating device valve cavity and is fixedly connected with the cutting valve clack;

the edge of the pressure regulating film is clamped in the edge where the upper film shell of the pressure regulating device and the lower film shell of the pressure regulating device are combined, a first spring is supported between the cutting valve clack and the outer surface of the lower film shell of the pressure regulating device in a propping mode, and the cutting valve clack is used for being matched with the air outlet channel to form the valve port capable of being opened and closed.

Optionally, in the aforementioned cut-and-regulate integrated pressure regulator, the pressure regulating device valve element further includes:

a shim and a balancing tray;

the first valve rod is divided into two sections, the first section is positioned in the valve cavity of the pressure regulating device, one end of the first valve rod is provided with an external thread, the other end of the first valve rod is provided with a boss, the boss is propped against an opening at the inner side of the second channel, and the second section is arranged in the second channel in a penetrating manner;

wherein, balanced tray the pressure regulating diaphragm and the gasket is overlapped in proper order first section, balanced tray's both ends top the boss with between the pressure regulating diaphragm, the nut has been twisted soon to the external screw thread department of first section, will the pressure regulating diaphragm presss from both sides tightly to be fixed on the first valve rod.

Optionally, in the aforementioned cut-and-adjust integrated voltage regulator, the pressure-adjusting diaphragm includes a first tray and a first elastic diaphragm, an area of the first tray is smaller than an area of the first elastic diaphragm, and the number of the first tray is two and is located on two side surfaces of the first elastic diaphragm respectively.

Optionally, the aforementioned cut-and-adjust integrated voltage regulator further includes:

the balance diaphragm is annular, the inner ring of balance diaphragm presss from both sides balance tray with between the boss, the balance diaphragm outer loop passes through the clamping ring to be fixed on the inner wall of membrane shell under the pressure regulating device, and apart from the inboard opening of second passageway is preset apart from.

Optionally, the aforementioned cut-and-regulate integrated pressure regulator, wherein the cut-off device spool includes:

the ball grid mechanism is connected with the second valve rod through a ball grid mechanism;

one end of the second valve rod penetrates through the third channel and extends out of the valve cavity of the cutting device, the other end of the second valve rod penetrates through the first channel and extends into the valve cavity of the pressure regulating device, a striking plate is arranged at the end part of the other end of the second valve rod, the second spring is supported between the striking plate and the inner wall of the upper membrane shell of the pressure regulating device in a propping manner, the spring seat is sleeved on the second valve rod and is connected with the inner wall of the third channel, the edge of the cutting diaphragm is clamped in the edge, in which the upper membrane shell of the pressure regulating device and the membrane shell of the cutting device are combined, the cutting diaphragm is fixed in the middle of the second valve rod through the ball grid mechanism, and the third spring is supported between the spring seat and the ball grid mechanism in a propping manner;

when the gas pressure in the lower cutting cavity is greater than a preset value, the ball grid mechanism removes the limitation on the movement of the second valve rod, and the second valve rod moves into the valve cavity of the pressure regulating device and is pressed on the valve core of the pressure regulating device.

Optionally, the unitary tangential voltage regulator, wherein the ball grid mechanism comprises:

the ball grid sleeve, the steel ball, the pressure ring, the ball grid retaining sleeve and the locking cover;

the ball grid sleeve is provided with three-step holes, namely a first-step hole, a second-step hole and a third-step hole, the aperture of the first-step hole is gradually increased from a first end of the ball grid sleeve to a second end opposite to the first end of the ball grid sleeve, the outer wall of the ball grid sleeve is provided with a circle of convex edge, one side of the convex edge, which is positioned at the first end, is abutted against a third spring, the middle part of the cutting diaphragm is sleeved on the ball grid sleeve, the pressing ring is sleeved at the second end and is connected with the second end, and the cutting diaphragm is clamped at one side of the convex edge, which is positioned at the second end;

the ball grid retaining sleeve is step-shaped and comprises a first step sleeve and a second step sleeve, the outer diameter of the first step sleeve is smaller than that of the second step sleeve, a necking is formed in the outer surface of an upper membrane shell of the pressure regulating device of the first channel, the ball grid retaining sleeve is sleeved on the second valve rod, the second step sleeve is arranged in the first channel in a penetrating mode, the first step sleeve extends into the lower cutting cavity, the locking cover is sleeved on the second valve rod and connected with the first channel, and the ball grid retaining sleeve is fixed in the first channel;

the side wall of the first-step sleeve is provided with a through hole, the first-step sleeve stretches into the second-step hole in a clearance fit mode, the second valve rod is provided with an annular groove in the position corresponding to the through hole, and the steel ball is arranged in the through hole and the annular groove and used for limiting the second valve rod.

Optionally, the aforementioned cut-and-adjust integrated voltage regulator further includes:

the first pipe joint is arranged on the upper membrane shell of the pressure regulating device and communicated with the upper pressure regulating cavity;

the second pipe joint is arranged on the upper membrane shell of the pressure regulating device and communicated with the lower cutting cavity;

and the third pipe joint is arranged on the lower membrane shell of the pressure regulating device and is used for being communicated with a lower box body of the integrated gas pressure regulating core arranged on the outer side of the lower membrane shell of the pressure regulating device.

In addition, the purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. According to the present invention, an integrated gas pressure regulating core is provided, which comprises: switching and adjusting the integrated voltage regulator;

surely transfer integral type voltage regulator includes:

the top of the pressure regulating device upper membrane shell is provided with a first channel;

the bottom of the pressure regulating device lower membrane shell is provided with a second channel, and the pressure regulating device lower membrane shell and the pressure regulating device upper membrane shell are buckled to form a sealed pressure regulating device valve cavity;

the pressure regulating device valve core is arranged in the pressure regulating device valve cavity and divides the pressure regulating device valve cavity into an upper pressure regulating cavity and a lower pressure regulating cavity, and the pressure regulating device valve core vertically penetrates through the second channel and is used for being matched with an air outlet channel of a lower box body of the integrated gas pressure regulating core to form a switchable valve port;

the top of the membrane shell of the cutting device is provided with a third channel, and the membrane shell of the cutting device is buckled with the outer surface of the top of the membrane shell of the pressure regulating device to form a valve cavity of the cutting device;

the cutting device valve core is arranged in the cutting device valve cavity and is divided into an upper cutting cavity and a sealed lower cutting cavity, and the cutting device valve core vertically penetrates through the first channel and the third channel and is coaxial with the regulating device valve core;

the upper pressure regulating cavity is communicated with the fuel gas output channel, the lower pressure regulating cavity is communicated with the fuel gas input channel, the upper cutting cavity is communicated with the atmosphere, and the lower cutting cavity is communicated with the fuel gas output channel;

when the gas pressure in the lower cutting cavity is larger than a preset value, the cutting valve core is in a cutting state, and one end of the cutting valve core is pressed on the valve core of the pressure regulating device, so that the valve port is sealed by the valve core of the pressure regulating device;

the upper box body accommodates an upper membrane shell and a cutting device membrane shell of a pressure regulating device of the cutting and adjusting integrated pressure regulator and is hermetically connected with the outer wall of a lower membrane shell of the pressure regulating device of the cutting and adjusting integrated pressure regulator, the lower box body is hermetically connected with the upper box body and accommodates a lower membrane shell of the pressure regulating device outside the upper box body, the lower box body is provided with an air inlet and an air outlet channel communicated with the lower box body, and a valve core of the pressure regulating device of the cutting and adjusting integrated pressure regulator is matched with the air inlet of the air outlet channel of the lower box body to form a switchable valve port;

and the filtering device is arranged between the air inlet and the valve port and is used for filtering the conveyed natural gas.

By the technical scheme, the switching-regulating integrated pressure regulator and the integrated gas regulating pressure core have the advantages that:

the switching integrated pressure regulator provided by the embodiment of the invention vertically integrates the pressure regulating device and the cutting device, so that the switching integrated pressure regulator has the pressure regulating function and the cutting function for natural gas, namely the switching integrated pressure regulator provided by the embodiment of the invention has higher integration level than a traditional split type cutting valve and a pressure regulator. In addition, after the pressure regulating device and the cutting device are vertically combined into an integral structure, the space occupied by the cutting and regulating integrated pressure regulator relative to a split type cutting valve and the pressure regulator is smaller. Furthermore, the switching-regulating integrated voltage regulator provided by the embodiment of the invention solves the problems of low integration level and large occupied space of the voltage regulating device and the cutting device in the prior art.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a cut-and-regulate integrated voltage regulator according to an embodiment of the present invention;

FIG. 2 is an enlarged view at I of FIG. 1;

fig. 3 is an enlarged view at J of fig. 1.

1-pressure regulating device upper membrane shell, 101-first channel, 2-pressure regulating device lower membrane shell, 201-second channel, 3-pressure regulating device valve cavity, 31-upper pressure regulating cavity, 32-lower pressure regulating cavity, 4-pressure regulating device valve core, 41-first valve rod, 411-first section, 412-second section, 413-boss, 42-pressure regulating membrane, 421-first tray, 422-first elastic membrane, 43-cutting valve flap, 44-first spring 45-gasket, 46-balance tray, 5-cutting device membrane shell, 501-third channel, 6-cutting device valve cavity, 61-upper cutting cavity, 62-lower cutting cavity, 7-cutting device valve core, 71-second valve rod, 711-ring groove, 72-cutting membrane, 73-a second spring, 74-a third spring, 75-a spring seat, 76-a striking plate, 8-a balance diaphragm, 9-a ball grid mechanism, 91-a ball grid sleeve, 92-a steel ball, 93-a press ring, 94-a ball grid holding sleeve, 95-a locking cover, 911-a first-step hole, 912-a second-step hole, 913-a third-step hole, 914-a convex edge, 941-a first-step sleeve, 942-a second-step sleeve, 10-a first pipe joint, 11-a second pipe joint, 12-a third pipe joint, 13-an upper box body, 14-a lower box body, 141-an air inlet, 142-an air outlet channel, 15-a valve port and 16-a filtering device.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given of the embodiments, structures, features and effects of the integrated pressure regulator and the integrated gas pressure regulating core according to the present invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.