CN216643205U - Gas valve with pressure regulating function - Google Patents

Abstract

The utility model discloses a gas valve with a pressure regulating function, which comprises a pipe body, a regulating column and a detection mechanism, wherein the pipe body is provided with a pipe body; a pipe body: the left end and the right end of the outer cambered surface of the pipe body are both provided with connecting rings, the upper end of the middle part of the outer cambered surface of the pipe body is provided with an adjusting cylinder, the lower end of the adjusting cylinder is communicated with the inside of the pipe body, the center of the inside of the pipe body is provided with a flow baffle plate, and the middle part of the flow baffle plate is provided with a circulation hole; adjusting the column: the gas valve with the pressure regulating function is convenient to regulate the pressure of gas in a pipeline, the numerical value of pressure after regulation can be displayed in real time, the regulation of pressure is more accurate, and the regulating effect is improved.

Description

Gas valve with pressure regulating function

Technical Field

The utility model relates to the technical field of gas valves, in particular to a gas valve with a pressure regulating function.

Background

The gas valve is a novel safety matching device for gas pipeline engineering, is used for cutting off, connecting and adjusting gas in pipelines, has good control characteristic and closing sealing performance, is widely applied to various gas medium pipelines such as gas, liquefied petroleum gas, natural gas, oxygen and the like of an urban gas supply pipeline system, has actuating mechanisms such as manual, worm gear transmission, electric, pneumatic, hydraulic and electro-hydraulic linkage in a driving mode, and can realize remote control and automatic operation.

In the use process of the gas valve, in order to use gas conveniently and avoid damage to a pipeline caused by overlarge gas pressure, the required gas pressure is adjusted, because the relation between the pressure and the flow in the pipeline is in a direct proportion relation, namely the pressure is higher, the flow is equal to the flow velocity multiplied by the section, and a common adjusting mode is that the gas pressure is adjusted by adjusting the gas flow.

However, some gas valves cannot display the adjusted pressure in real time in the adjusting process, accuracy of an adjusting result is affected, and the gas valves are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a gas valve with a pressure regulating function, which can display the numerical value of the regulated pressure in real time, so that the pressure regulation is more accurate, and the problems in the background art can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a gas valve with pressure regulating function comprises a pipe body, a regulating column and a detection mechanism;

a pipe body: the left end and the right end of the outer cambered surface of the pipe body are respectively provided with a connecting ring, the upper end of the middle part of the outer cambered surface of the pipe body is provided with an adjusting cylinder, the lower end of the adjusting cylinder is communicated with the inside of the pipe body, the center of the inside of the pipe body is provided with a flow baffle plate, and the middle part of the flow baffle plate is provided with a circulation hole;

adjusting the column: the upper end of the outer cambered surface is provided with a threaded ring, the threaded ring is in threaded connection with a threaded hole in the middle of the upper surface of the adjusting cylinder, the lower end of the adjusting column is provided with a conical valve clack which is installed in a matched manner with the circulation hole, the middle of the inner top wall of the adjusting cylinder is provided with a sealing cylinder, the lower end of the inner cambered surface of the sealing cylinder is provided with a sealing gasket, and the inner cambered surface of the sealing gasket is in sliding connection with the outer cambered surface of the adjusting column;

the detection mechanism comprises: set up in the inside upper end of adjusting a section of thick bamboo, detection mechanism and the vertical sliding connection of a sealed section of thick bamboo improve sealed effect, avoid the gas from the inside revealing of valve body, conveniently adjust the pressure of gas in the pipeline, can show the numerical value of adjusting back pressure in real time, make the regulation of pressure more accurate, improve the regulation effect.

Furthermore, the middle part of the outer arc surface of the adjusting cylinder is provided with a mounting plate, the left side surface of the mounting plate is provided with a single chip microcomputer, and the input end of the single chip microcomputer is electrically connected with an external power supply to control the starting and stopping of the whole device.

Further, detection mechanism includes photoelectric distance measuring sensor, traveller, spring, detection dish and spacing dish, the vertical sliding connection of detection dish is in the interior cambered surface of adjusting a section of thick bamboo, traveller circular array sets up in the inside roof of adjusting a section of thick bamboo, the lower extreme of traveller passes the round hole on the detection dish respectively and is equipped with spacing dish, the outer cambered surface of traveller all overlaps and is equipped with the spring, the upper end of spring all with the inside roof fixed connection of adjusting a section of thick bamboo, the lower extreme of spring all with the last fixed surface of detecting the dish is connected, photoelectric distance measuring sensor sets up in the mounting hole of the inside roof left end of adjusting a section of thick bamboo, photoelectric distance measuring sensor's output electricity is connected in the input of singlechip, detect the pressure of gas.

Furthermore, the upper surface of adjusting the post is equipped with adjust knob, is equipped with the range sensor who installs with adjust knob cooperation in the mounting groove of adjusting a section of thick bamboo upper surface, and range sensor's output electricity is connected in the input of singlechip, conveniently detects the position of toper valve clack.

Furthermore, a display is arranged on the front surface of the mounting plate, and the input end of the display is electrically connected to the output end of the single chip microcomputer to display the detected numerical value.

Further, the sealing cylinder is connected with the vertical sliding mode of the hole of stepping down in the middle of the detection disc, the hole of stepping down and the inner arc surface of the round hole in the detection disc are provided with ceramic sealing rings, and the middle of the sealing cylinder is sealed.

Furthermore, the right side face of the mounting plate is provided with an audible and visual alarm, and the input end of the audible and visual alarm is electrically connected to the output end of the single chip microcomputer to timely warn people.

Compared with the prior art, the utility model has the beneficial effects that: this gas valve with pressure regulating function has following benefit:

1. through the rotatory regulation post of adjust knob, screw hole threaded connection through threaded ring and regulation section of thick bamboo upper surface middle part, make the regulation post drive the toper valve clack and move down, the lower extreme of toper valve clack passes the inside of opening gradually, the sectional area of through-flow hole is adjusted, and then adjust the flow of gas, because flow in the pipeline is directly proportional with pressure, so can change its pressure after the gas passes the opening, adjust the pressure of gas, in the course of the work, sealed the pad can seal the lower extreme of a sealing cylinder, improve sealed effect, avoid the inside of valve body of gas from revealing, the convenient pressure of gas is adjusted in the pipeline.

2. After the gas enters the adjusting cylinder, the gas generates upward acting force on the detecting disc to enable the detecting disc to move upwards, the spring contracts to generate elastic force, the moving distance of the detecting disc is detected through the photoelectric distance measuring sensor, the detected result is transmitted to the single chip microcomputer, the pressure of the gas entering the pipe body is measured through calculation of the single chip microcomputer, meanwhile, the distance measuring sensor can detect the distance between the adjusting knob and the upper surface of the adjusting cylinder, the position of the conical valve clack can be determined, the position of the conical valve clack corresponds to the pressure value to be changed at the position one by one, the changed pressure value can be obtained, the pressure of the gas flowing out of the left end of the pipe body is obtained through combination with the previously measured initial pressure value, the value is displayed through the display, and the value of the pressure after adjustment can be displayed in real time, the pressure is more accurately adjusted, and the adjusting effect is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner plane structure of the tube body according to the present invention;

FIG. 3 is a schematic view of the inner structure of the tube of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention.

In the figure: the device comprises a pipe body 1, a connecting ring 2, an adjusting cylinder 3, a flow baffle 4, a flow hole 5, a conical valve clack 6, an adjusting column 7, a threaded ring 8, a detection mechanism 9, a photoelectric distance measuring sensor 91, a sliding column 92, a spring 93, a detection disc 94, a spacing disc 95, a single chip microcomputer 10, an installation plate 11, an audible and visual alarm 12, a display 13, an adjusting knob 14, a sealing cylinder 15, a sealing gasket 16 and a distance measuring sensor 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment provides a technical solution: a gas valve with pressure regulating function, including body 1, adjust the column 7 and detection mechanism 9;

a pipe body 1: the left end and the right end of the outer cambered surface of the pipe body are respectively provided with a connecting ring 2, so that the pipe body is convenient to be connected with an external pipeline, the upper end of the middle part of the outer cambered surface of the pipe body 1 is provided with an adjusting cylinder 3, so that space is provided for the arrangement of adjusting parts, the lower end of the adjusting cylinder 3 is communicated with the inside of the pipe body 1, the center of the inside of the pipe body 1 is provided with a flow baffle plate 4, and the middle part of the flow baffle plate 4 is provided with a circulation hole 5, so that the flow of fuel gas is convenient to adjust;

adjusting the column 7: the upper end of the outer cambered surface is provided with a threaded ring 8, the threaded ring 8 is in threaded connection with a threaded hole in the middle of the upper surface of an adjusting cylinder 3, the lower end of an adjusting column 7 is provided with a conical valve flap 6 which is installed in a matched manner with a circulation hole 5, the middle of the top wall of the interior of the adjusting cylinder 3 is provided with a sealing cylinder 15, the lower end of the inner cambered surface of the sealing cylinder 15 is provided with a sealing gasket 16, the inner cambered surface of the sealing gasket 16 is in sliding connection with the outer cambered surface of the adjusting column 7 to prevent gas from leaking and improve the sealing effect, the adjusting column 7 drives the conical valve flap 6 to move downwards through the threaded hole in the middle of the upper surface of the adjusting cylinder 3 by virtue of the threaded ring 8, the lower end of the conical valve flap 6 gradually passes through the interior of the circulation hole 5, the sectional area of the circulation hole 5 is adjusted, and further the flow of the gas is adjusted, because the flow in a pipeline is in direct proportion to the pressure, the pressure of the gas can be changed after passing through the circulation hole 5, the middle part of the outer cambered surface of the adjusting cylinder 3 is provided with a mounting plate 11, the left side surface of the mounting plate 11 is provided with a single chip microcomputer 10 for controlling the start and stop of the whole device, the input end of the single chip microcomputer 10 is electrically connected with an external power supply, the upper surface of the adjusting column 7 is provided with an adjusting knob 14, a distance measuring sensor 17 which is matched and mounted with the adjusting knob 14 is arranged in a mounting groove on the upper surface of the adjusting cylinder 3, the output end of the distance measuring sensor 17 is electrically connected with the input end of the single chip microcomputer 10, the distance measuring sensor 17 corresponds to the vertical position of a disc in the middle part of the adjusting knob 14, the distance between the adjusting knob 14 and the upper surface of the adjusting cylinder 3 can be detected, the length of the adjusting column 7 is fixed, so that the position of the conical valve clack 6 at the moment can be calculated, the position of the conical valve clack 6 corresponds to the pressure value to be changed in one-to-one, and is combined with the initial pressure value measured before, the pressure of the fuel gas flowing out of the left end of the pipe body 1 is obtained, a display 13 is arranged on the front surface of the mounting plate 11, the input end of the display 13 is electrically connected to the output end of the single chip microcomputer 10, the detection result is displayed, an audible and visual alarm 12 is arranged on the right side surface of the mounting plate 11, the input end of the audible and visual alarm 12 is electrically connected to the output end of the single chip microcomputer 10, when the pressure inside the pipe body 1 is too high, the audible and visual alarm 12 is controlled to be started through the single chip microcomputer 10, and a warning is given to a person, so that the person can process the pressure in time;

the detection mechanism 9: the gas-liquid separation device is arranged at the upper end inside the adjusting cylinder 3, the detection mechanism 9 is vertically and slidably connected with the sealing cylinder 15, the detection mechanism 9 comprises a photoelectric distance measuring sensor 91, a sliding column 92, a spring 93, a detection disc 94 and a limiting disc 95, the detection disc 94 is vertically and slidably connected with the inner arc surface of the adjusting cylinder 3, the annular array of the sliding column 92 is arranged on the inner top wall of the adjusting cylinder 3, the lower end of the sliding column 92 respectively penetrates through a round hole in the detection disc 94 and is provided with the limiting disc 95, the outer arc surface of the sliding column 92 is sleeved with the spring 93, the upper end of the spring 93 is fixedly connected with the inner top wall of the adjusting cylinder 3, the lower end of the spring 93 is fixedly connected with the upper surface of the detection disc 94, the photoelectric distance measuring sensor 91 is arranged in a mounting hole at the left end of the inner top wall of the adjusting cylinder 3, the output end of the photoelectric distance measuring sensor 91 is electrically connected with the input end of the single chip microcomputer 10, after gas enters the adjusting cylinder 3, upward acting force is generated on the detection disc 94 by the gas, make detection dish 94 rebound under the guide effect of traveller 92, spring 93 contracts and produces elasticity, detect the distance that detection dish 94 removed through photoelectric distance measuring sensor 91, and transmit the result that detects to singlechip 10, because the effort that spring 93 shrink needs is certain, can reach the length that spring 93 contracts according to the distance that detection dish 94 removed, and then reach the effort that the gas was applyed to detection dish 94, measure the pressure of gas when getting into body 1, the vertical sliding connection in hole of stepping down of sealed tube 15 and detection dish 94 middle part, the cambered surface all is equipped with ceramic seal ring in stepping down hole and the round hole on the detection dish 94, seal the middle part of adjusting cylinder 3, block the flow of gas to adjusting cylinder 3 upper end, avoid the corruption of gas to spring 93.

The working principle of the gas valve with the pressure regulating function provided by the utility model is as follows: when the gas flow regulator is used, an external pipeline is communicated with a pipe body 1 through a connecting ring 2, external high-pressure gas enters through the right end of the pipe body 1, an adjusting column 7 is rotated through an adjusting knob 14, and is in threaded connection with a threaded hole in the middle of the upper surface of an adjusting cylinder 3 through a threaded ring 8, so that the adjusting column 7 drives a conical valve clack 6 to move downwards, the lower end of the conical valve clack 6 gradually penetrates through the inside of a circulation hole 5, the sectional area of the circulation hole 5 is adjusted, and further the flow of the gas is adjusted, because the flow in the pipeline is in direct proportion to the pressure, the pressure of the gas can be changed after the gas penetrates through the circulation hole 5, the pressure of the gas is adjusted, because the adjusting cylinder 3 is communicated with the inside of the pipe body 1, the gas also enters the adjusting cylinder 3 while entering the pipe body 1, and because the connecting positions of a detection disc 94, a sealing cylinder 15 and a sliding column 92 are sealed through ceramic sealing rings, the middle part of the adjusting cylinder 3 is sealed, the gas is blocked from flowing to the upper end of the adjusting cylinder 3, the gas generates upward acting force on the detection disc 94, the detection disc 94 moves upwards under the guiding action of the sliding column 92, the spring 93 contracts to generate elastic force, the distance moved by the detection disc 94 is detected through the photoelectric distance measuring sensor 91, and the detected result is transmitted to the single chip microcomputer 10, because the acting force required by the contraction of the spring 93 is constant, the contracted length of the spring 93 can be obtained according to the distance moved by the detection disc 94, further, the acting force borne by the detection disc 94 is obtained, the pressure of the gas when the gas enters the pipe body 1 is measured, meanwhile, the distance measuring sensor 17 corresponds to the vertical position of the disc in the middle part of the adjusting knob 14, the distance between the adjusting knob 14 and the upper surface of the adjusting cylinder 3 can be detected, because the length of the adjusting column 7 is constant, the position of the conical valve flap 6 at the moment can be calculated, because the position that the toper valve clack 6 is located and the pressure value that this position will change is the one-to-one, can be according to the pressure value size that the high position was obtained the change, through combining together with the initial pressure numerical value that measures before, obtain the pressure of body 1 left end outflow gas, and show numerical value through display 13, make things convenient for personnel's reading, when body 1 internal pressure is too big, control audible-visual annunciator 12 through singlechip 10 and start, send the warning to the personnel, make personnel in time handle, in the course of the work, sealed pad 16 can seal the lower extreme of sealed tube 15, avoid the gas from the inside of valve body to reveal.

It should be noted that the single chip microcomputer 10 disclosed in the above embodiments may be a single chip microcomputer of a PI C16F1823-I/P type, the photoelectric distance measuring sensor 91, the audible and visual alarm 12, the display 13, and the distance measuring sensor 17 may be freely configured according to an actual application scene, both the photoelectric distance measuring sensor 91 and the distance measuring sensor 17 may be a reflective photoelectric sensor of a KR3630 type, the audible and visual alarm 12 may be an audible and visual alarm of a TGSG-108TB type, the display 13 may be a display instrument of a DR610 type, and the single chip microcomputer 10 controls the photoelectric distance measuring sensor 91, the audible and visual alarm 12, the display 13, and the distance measuring sensor 17 to operate by a method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. A gas valve with pressure regulating function which characterized in that: comprises a tube body (1), an adjusting column (7) and a detection mechanism (9);

tube (1): the left end and the right end of the outer cambered surface of the pipe body (1) are respectively provided with a connecting ring (2), the upper end of the middle part of the outer cambered surface of the pipe body (1) is provided with an adjusting cylinder (3), the lower end of the adjusting cylinder (3) is communicated with the inside of the pipe body (1), the center of the inside of the pipe body (1) is provided with a flow baffle plate (4), and the middle part of the flow baffle plate (4) is provided with a circulation hole (5);

adjusting column (7): the upper end of the outer cambered surface of the adjusting cylinder is provided with a threaded ring (8), the threaded ring (8) is in threaded connection with a threaded hole in the middle of the upper surface of the adjusting cylinder (3), the lower end of the adjusting column (7) is provided with a conical valve clack (6) which is installed in a matched manner with the circulation hole (5), the middle of the inner top wall of the adjusting cylinder (3) is provided with a sealing cylinder (15), the lower end of the inner cambered surface of the sealing cylinder (15) is provided with a sealing gasket (16), and the inner cambered surface of the sealing gasket (16) is in sliding connection with the outer cambered surface of the adjusting column (7);

detection mechanism (9): is arranged at the upper end of the inner part of the adjusting cylinder (3), and the detection mechanism (9) is vertically connected with the sealing cylinder (15) in a sliding way.

2. A gas valve with pressure regulating function according to claim 1, characterized in that: the middle of the outer arc surface of the adjusting cylinder (3) is provided with a mounting plate (11), the left side surface of the mounting plate (11) is provided with a single chip microcomputer (10), and the input end of the single chip microcomputer (10) is electrically connected with an external power supply.

3. A gas valve with pressure regulating function according to claim 2, characterized in that: the detection mechanism (9) comprises a photoelectric distance measuring sensor (91), a sliding column (92), a spring (93), a detection disc (94) and a limit disc (95), detect the interior cambered surface of vertical sliding connection in regulation section of thick bamboo (3) of dish (94), traveller (92) annular array sets up in the inside roof of adjusting a section of thick bamboo (3), the lower extreme of traveller (92) passes the round hole on detecting dish (94) respectively and is equipped with spacing dish (95), the outer cambered surface of traveller (92) all overlaps and is equipped with spring (93), the upper end of spring (93) all with the inside roof fixed connection who adjusts a section of thick bamboo (3), the lower extreme of spring (93) all with the last fixed surface who detects dish (94) be connected, photoelectric ranging sensor (91) set up in the mounting hole of the inside roof left end of regulation section of thick bamboo (3), the output electricity of photoelectric ranging sensor (91) is connected in the input of singlechip (10).

4. A gas valve with pressure regulating function according to claim 2, characterized in that: the upper surface of the adjusting column (7) is provided with an adjusting knob (14), a distance measuring sensor (17) which is installed in a matching way with the adjusting knob (14) is arranged in an installing groove in the upper surface of the adjusting cylinder (3), and the output end of the distance measuring sensor (17) is electrically connected with the input end of the single chip microcomputer (10).

5. A gas valve with pressure regulating function according to claim 2, characterized in that: the front surface of the mounting plate (11) is provided with a display (13), and the input end of the display (13) is electrically connected with the output end of the singlechip (10).

6. A gas valve with pressure regulating function according to claim 3, characterized in that: the sealing cylinder (15) is connected with the middle part of the detection disc (94) in a vertical sliding mode through the abdicating hole, and the abdicating hole and the inner arc surface of the round hole in the detection disc (94) are provided with ceramic sealing rings.

7. A gas valve with pressure regulating function according to claim 2, characterized in that: the right side surface of the mounting plate (11) is provided with an audible and visual alarm (12), and the input end of the audible and visual alarm (12) is electrically connected with the output end of the single chip microcomputer (10).

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