CN205350475U - Spring load direct action formula gas pressure regulator - Google Patents
Spring load direct action formula gas pressure regulator Download PDFInfo
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- CN205350475U CN205350475U CN201520909405.7U CN201520909405U CN205350475U CN 205350475 U CN205350475 U CN 205350475U CN 201520909405 U CN201520909405 U CN 201520909405U CN 205350475 U CN205350475 U CN 205350475U
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Abstract
The utility model discloses a spring load direct action formula gas pressure regulator, its characterized in that: including valve body, spool assembly, trip valve assembly, executor, the trip valve assembly is threaded off part, sensing part and is cut off the valve rod inside including, it all is provided with the coupling that docks with signal pipe to respond to the atmospheric pressure detection mouthful department that chamber and executor are corresponding, the coupling has the interior interface of step and the outer tip of outside loudspeaker form, sets up seal assembly A and seal assembly B between the coupling of signal pipe and butt joint. The utility model discloses the pressure regulating stable performance, can surpass decompression an organic whole, fail safe nature is higher, simultaneously, it is that the directness divides the problem of being connected with sensor portion to have changed present well signal pipe, firm zonulae occludens between signal pipe and the coupling, even the long -time back of using, it connects the position obscissions such as crack can not appear, the unstable circumstances in junction more can not appear, has guaranteed the leakproofness of atmospheric pressure.
Description
Technical field
This utility model relates to a kind of gas pressure regulating field, is specifically a kind of load on spring Combined iron core ring-shape multipole.
Background technology
Along with the change of China's energy resource structure and continuing to increase of environmental protection dynamics, the development and utilization of natural gas is made to obtain swift and violent development.Compressed natural gas is well head natural gas or pipe natural gas to be purified compress the storage of laggard horizontal high voltage and transport, arrives place to use, directly inputs pipe network supply all types of user through multi-stage heat exchanger, pressure regulation.Gas generally could finally be used by a user through the pressure regulation of regulator, and Gas Pressure Regulating Equipment is generally made up of several functional modules, as pressure regulator realizes voltage regulation function；Filter realizes clean filtering function etc.；In recent years, because wideling popularize of the clean energy resourcies such as natural gas, Gas Pressure Regulating Equipment is also more widely applied, and therefore relevant departments also strengthen the supervision of the design of the type device, manufacture, use, makes product quality further be ensured and improve.The core component of fuel gas pressure-regulating box is gas pressure regulator, governor, it is adaptable to the gas of the different mediums such as natural gas, town gas, liquefied petroleum gas, mixing gas.Existing pressure regulator signal pipe is directly to be connected with Sensor section, uses after a period of time, and crack easily occurs in its connecting portion, easy to fall off；Due to the instability of junction, it is easily caused pressurized seal poor, affects the effect of sensor detection, affect stop valve performance and service life；It is unfavorable for that whole voltage-regulating system works simultaneously；Therefore need to be improved.
Utility model content
The purpose of this utility model is in that to overcome the deficiencies in the prior art, provides a kind of load on spring Combined iron core ring-shape multipole at this, and pressure regulating performance is stable；Can surpassing decompression one, security reliability is higher.Application place: mesolow gas ductwork, residential quarter, industry and commerce user, the pressure regulation of direct combustion equipment and voltage stabilizing.Applicable media: natural gas, artificial coal gas, liquefied petroleum gas and other non-corrosiveness gas；Simultaneously, changing existing middle signal pipe is the problem being directly connected with Sensor section, between signal pipe with pipe joint, secure rigid is connected, even if after long-time use, its connecting portion does not have the obscissions such as crack, more do not have the situation that junction is unstable, it is ensured that the sealing of air pressure.
This utility model is achieved in that a kind of load on spring Combined iron core ring-shape multipole of structure, it is characterised in that: include valve body, Spool assembly, stop valve assembly, executor；Spool assembly is integrally located in valve body, and its upper end is corresponding in executor, and stop valve assembly is positioned at below valve body；Valve inner is formed with cut-out valve port and primary valve；Include dropout part, transducing part inside stop valve assembly and cut off valve rod；Cut off valve rod upper end and closedown spring is set, cut off the top of valve rod for cutting off flap；Being provided with thin film inside executor, be induction cavity below its thin film, thin film is provided above spring shield, adjusting screw rod, adjustment spring；The main valve clack below valve rod within Spool assembly corresponds to primary valve；
Described dropout part includes touching plate, bent plate, striker A, striker B, hook, dropout part；Described transducing part includes the induction cavity of screw rod, push rod, screw rod locknut, adjusting nut and rear end；Screw rod is connected with push rod by screw rod locknut, and arranges nut A and nut B, nut A and nut B on screw rod and lay respectively at the both sides of bent plate；Hook and dropout part are interlockingly connected, and hook arranges slide block assembly；Touching plate to be connected with dropout part, striker A and striker B lays respectively at the upper bottom touching plate；Bent plate upper end corresponds to striker A, and bent plate lower end is connected with screw rod, and described screw rod corresponds to striker B；
Described induction cavity and executor corresponding air pressure detection mouth place be provided with the pipe joint docked with signal pipe；Described pipe joint has outside trumpet-shaped step inner joint and outer end, arranges black box A and black box B between signal pipe and the pipe joint docked；The outside that signal pipe docks with pipe joint arranges fastening assembly；Sealing ring is between signal pipe, pipe joint and black box B.
According to load on spring Combined iron core ring-shape multipole described in the utility model, it is characterised in that: also include discharge connection；Described discharge connection is positioned at the outlet side of described gas pressure regulator, governor, described induction cavity and executor's correspondence signal pipe and is all connected with discharge connection；Discharge connection adopts following structure, and it includes body and the mounting flange being placed on body, and body bottom is welding shoulder, and loose flange is positioned on welding shoulder, and the end face of welding shoulder arranges sealing ring B.
The utility model has the advantage of: this utility model provides a kind of load on spring Combined iron core ring-shape multipole by improving at this, and pressure regulating performance is stable；Can surpassing decompression one, security reliability is higher.Application place: mesolow gas ductwork, residential quarter, industry and commerce user, the pressure regulation of direct combustion equipment and voltage stabilizing.Applicable media: natural gas, artificial coal gas, liquefied petroleum gas and other non-corrosiveness gas.
Internal tripping mechanism ensure that stop valve is not occurred cutting off by the impact of external impact by mistake, and also the precision for improving stop valve detected air pressure provides Reliable guarantee；Simultaneously, changing existing middle signal pipe is the problem being directly connected with Sensor section, between signal pipe with pipe joint, secure rigid is connected, even if after long-time use, its connecting portion does not have the obscissions such as crack, more do not have the situation that junction is unstable, ensure that the sealing of air pressure, without influence on the Detection results of sensor, be conducive to the prolongation in stop valve performance and service life, for whole gas pressure regulating system, it is ensured that the stable transmission of detected air pressure P2；Advantageously ensure that the properly functioning of whole gas pressure regulating system.
Accompanying drawing explanation
Fig. 1 is this utility model whole interior structural representation
Fig. 2 is this utility model installment state schematic diagram
Fig. 3-4 is tripping mechanism schematic diagram described in the utility model
Fig. 5 is signal pipe and pipe joint connection diagram in this utility model
Fig. 6 is this utility model pipe joint schematic diagram
Fig. 7 is close-up schematic view in Fig. 4
Fig. 8 is the corresponding schematic diagram of this utility model middle outlet adapter.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-8, this utility model is described in detail, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
This utility model provides a kind of load on spring Combined iron core ring-shape multipole by improving, as shown in figures 1-8, it is possible to be practiced as follows；Gas pressure regulator, governor described in the utility model includes valve body 101, Spool assembly 102, stop valve assembly 103, executor 104；It is improved by: described Spool assembly 102 is integrally located in valve body 101, and its upper end is corresponding in executor 104, and stop valve assembly 103 is positioned at below valve body 101；Valve body 101 has been internally formed cut-out valve port 105 and primary valve 106；Stop valve assembly 103 is internal to be included dropout part, transducing part and cuts off valve rod 107；Cut off valve rod 107 upper end and closedown spring 108 is set, cut off the top of valve rod 107 for cutting off flap 109；Executor 104 is internal is provided with thin film 110, is induction cavity 111 below its thin film 110, and thin film 110 is provided above spring shield 112, adjusting screw rod 113, regulates spring 114；Main valve clack 116 below valve rod 115 within Spool assembly 102 is corresponding to primary valve 106.
Described load on spring Combined iron core ring-shape multipole also includes discharge connection 117；Described discharge connection 117 is positioned at the corresponding signal pipe 15 of the outlet side of described gas pressure regulator, governor, described induction cavity 14 and executor 104 and is all connected with discharge connection 117；Discharge connection 117 adopts following structure, and it includes body 201 and the mounting flange 202 being placed on body 201, and body 201 bottom is welding shoulder 203, and loose flange 204 is positioned on welding shoulder 203, and the end face of welding shoulder 203 arranges sealing ring 205.Discharge connection after improving, global design is reasonable, compact conformation, owing to being provided with special sealing ring, has therefore effectively played leakproof effect, and has installed simple, and maintaining is convenient, has wide applicability.
Dropout part within described stop valve assembly 103 includes touching plate 1, bent plate 2, striker A3, striker B4, hook 5, dropout part 6；Described transducing part includes the induction cavity 14 of screw rod 7, push rod 8, screw rod locknut 9, adjusting nut 10 and rear end；Screw rod 7 is connected with push rod 8 by screw rod locknut 9, and arranges nut A11 and nut B12, nut A11 and nut B12 on screw rod 7 and lay respectively at the both sides of bent plate 2；Hook 5 and dropout part 6 are interlockingly connected, and hook 5 arranges slide block assembly 13；Touching plate 1 to be connected with dropout part 6, striker A3 and striker B4 lays respectively at the upper bottom touching plate 1；Bent plate 2 upper end corresponds to striker A3, and bent plate 2 lower end is connected with screw rod 7, and described screw rod 7 is corresponding to striker B4.The operation principle of this part: when the pressure being sent in transducing part film side by pressure point is not normal, when exceeding (superpressure) or cut off setting value lower than (decompression), the position of bent plate or screw rod will change, thus touching striker A or striker B, thing tripping mechanism is threaded off, and discharges main valve clack, main valve clack is under the effect closing spring, rapidly moving downward, and fit tightly with valve port, the air-flow in stop valve.After stop valve cuts off, it is necessary to manually open the flap of stop valve, handle rotates after being inserted in rotating shaft, it is possible to by detaining on whole tripping mechanism, makes the flap of stop valve be in opening, is continuing with.
The air pressure detection mouth place of described induction cavity 14 and executor 104 correspondence is provided with the pipe joint 16 docked with signal pipe 15；Pipe joint 16 has outside trumpet-shaped step inner joint 16a and outer end 16b, arranges black box A17 and black box B18 between signal pipe 15 and the pipe joint 16 docked；The outside that signal pipe 15 docks with pipe joint 16 arranges fastening assembly 19；Sealing ring A20 is between signal pipe 15, pipe joint 16 and black box B18；For this utility model, change the problem that the Sensor section that existing middle signal pipe is direct with corresponding connects, between signal pipe 15 with pipe joint 16, secure rigid is connected, even if after long-time use, its connecting portion does not have the obscissions such as crack, does not more have the situation that junction is unstable, it is ensured that the sealing of air pressure, without influence on the Detection results of sensor, be conducive to the prolongation in stop valve performance and service life；Be conducive to whole voltage-regulating system to work simultaneously, for whole gas pressure regulating system, it is ensured that the stable transmission of detected air pressure P2.
Operation principle of the present utility model: be can set that the size of P2 by the rotation of adjusting screw rod or spring shield.Medium flows into P2 chamber from the P1 chamber of valve body by valve port, P2 pressure feeds back to induction cavity by signal pipe, induction cavity pressure is equal to P2, the active force acting on the pressure P 2 on book film and spring balances each other, determine the position of book film, drive main valve clack to keep certain aperture with valve port by valve rod, reach the effect of decompression, voltage stabilizing.When the gas consumption in pressure regulator downstream increases, the pressure of induction cavity declines so that thin film is under the force of a spring, drive main valve clack moves down, the aperture making main valve clack and primary valve strengthens, and the gas flow thereby through primary valve increases, and makes P2 increase to maintain the constant of downstream pressure.When the gas consumption in pressure regulator downstream reduces, its effect is contrary with said process, until pressure regulator cuts out.Cutter operation principle: when the pressure being sent to colorimetric sensor films side by pressure point is not normal exceed (superpressure) or cut off setting value lower than (decompression) time, the position of bent plate and screw rod will change, thus touching striker A or B, tripping mechanism is made to thread off, cut off flap under the effect closing spring, rapidly moving upward, fit tightly with valve port, block the air-flow in valve body.
Install and use as follows:
1. install: the installation of pressure regulator, use, maintenance and maintenance all must be undertaken by titular professional.
1) pressure regulator should be mounted remotely from burning things which may cause a fire disaster, vibrations, the satisfactory place of ambient temperature, tackles pressure regulator preceding pipeline winter in ambient temperature lower ground district and valve body takes heat tracing measure.
2) check whether gas transmission and distribution line pressure is consistent with pressure limit shown in the nameplate on pressure regulator.
3) check that whether the airflow arrows on pressure regulator is consistent with the air-flow installing pipeline.
4) before pressure regulator, pipeline should purge totally, then installs pressure regulator again.
5) level installs pressure regulator, and pressure regulator can not powerful be installed when with front and back pipeline joint.
6) when there being combustor or the valve of fast opening and closing after pressure regulator, pressure regulator with should leave a constant volume to avoid flow Rapid Variable Design to cause pressure significantly to lift between.
7) filter should be installed before pressure regulator, sufficiently long straight length should be left after pressure regulator, pressure regulator feedback signal take a little should after pressure regulator 4-6 times of caliber (DN) locate, outlet tube flow rate should control at≤25m/s, and the latus rectum of straight tube should be greater than the outlet caliber of pressure regulator if desired.
2. use: pressure regulator initial launch operation sequence
1) filter should be installed before pressure regulator.
2) stop valve is opened.
3) imported valve before pressure regulator is opened lentamente.
4) pressure regulator outlet valve is somewhat opened.
5) a moment is stopped until steady air current.
6) by fully open for pressure regulator outlet valve.
Pressure regulator outlet pressure sets: if pressure regulator outlet pressure need to be changed, first slow turn spring shield initial adjustment outlet pressure, slower turn adjusting screw rod, makes outlet pressure reach the setting value of gas appliance requirement.(regulating clockwise, outlet pressure raises, and regulates counterclockwise, and outlet pressure reduces.) must assure that the length of thread engagement (LE) of spring shield and base can not less than 10mm when regulating pressure.
The operational motion pressure setting of cutter:
1) after user have adjusted pressure regulator outlet pressure, the operating pressure of stop valve should be adjusted accordingly.Cutter operating pressure sets to ensure that upstream device is as the criterion safely, it is proposed that for less than 1.5 times of pressure regulator operating pressure.
2) if user need to regulate cut-out operating pressure voluntarily, please first taking off cover plate, precession regulates plug screw, and stop valve operating pressure setting value raises, otherwise then reduces.
Reset operation:
1) search and get rid of the fault causing cutting off；
2) pressure before pressure regulator early gate imports slowly slightly is opened.
3) completely close pressure regulator early gate, close pressure regulator late gate and only allow small air-flow by (or pressure regulator late gate can be completely closed, appropriateness opens the pressure measurement mouth after pressure regulator).
4) handle is inserted in square axis and slowly rotates about 10 degree to position on the buckle and keep, pay flap opening internal bypass, now there is the sound (if pulling on handle can feel gruelling, then please do not pull on handle) that high velocity air passes through, whether normal observing whole system simultaneously.If abnormal, front and back valve emptying all gas please be close and again search reason；If normal, enter next step.
5) the airflow noise change of tune slow (if air-flow sound does not slow down always, need appropriateness to turn down late gate or pressure measurement mouth) and when feeling to pull handle very light such as, now stop valve upstream and downstream pressure reaches poised state, be rotated further handle make main valve clack open and make tripping mechanism is buckled, with keep its opening (decompression type cutter must when there being certain signal pressure to input can on buckle).
6) forward and backward valve is slowly opened again in order.If needing the hand tripping button that hand tripping please directly be pressed on panel.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (2)
1. a load on spring Combined iron core ring-shape multipole, it is characterised in that: include valve body (101), Spool assembly (102), stop valve assembly (103), executor (104)；Spool assembly (102) is integrally located in valve body (101), and its upper end is corresponding in executor (104), and stop valve assembly (103) is positioned at valve body (101) lower section；Valve body (101) has been internally formed cut-out valve port (105) and primary valve (106)；Stop valve assembly (103) is internal to be included dropout part, transducing part and cuts off valve rod (107)；Cut off valve rod (107) upper end and closedown spring (108) is set, cut off the top of valve rod (107) for cutting off flap (109)；Executor (104) is internal is provided with thin film (110), and its thin film (110) lower section is induction cavity (111), and thin film (110) is provided above spring shield (112), adjusting screw rod (113), regulates spring (114)；The main valve clack (116) of valve rod (115) lower section that Spool assembly (102) is internal is corresponding to primary valve (106)；
Described dropout part include touch plate (1), bent plate (2), striker A(3), striker B(4), hook (5), dropout part (6)；Described transducing part includes the induction cavity (14) of screw rod (7), push rod (8), screw rod locknut (9), adjusting nut (10) and rear end；Screw rod (7) is connected with push rod (8) by screw rod locknut (9), and arranges nut A(11 on screw rod (7)) and nut B(12), nut A(11) and nut B(12) lay respectively at the both sides of bent plate (2)；Hook (5) and dropout part (6) are interlockingly connected, and hook (5) arranges slide block assembly (13)；Touch plate (1) to be connected with dropout part (6), striker A(3) and striker B(4) lay respectively at the upper bottom touching plate (1)；Bent plate (2) upper end corresponds to striker A(3), bent plate (2) lower end is connected with screw rod (7), and described screw rod (7) is corresponding to striker B(4)；
The air pressure detection mouth place of described induction cavity (14) and executor (104) correspondence is provided with the pipe joint (16) docked with signal pipe (15)；Described pipe joint (16) has outside trumpet-shaped step inner joint (16a) and outer end (16b), arranges black box A(17 between signal pipe (15) and the pipe joint (16) docked) and black box B(18)；The outside that signal pipe (15) docks with pipe joint (16) arranges fastening assembly (19)；Sealing ring (20) is positioned at signal pipe (15), pipe joint (16) and black box B(18) between.
2. load on spring Combined iron core ring-shape multipole according to claim 1, it is characterised in that: also include discharge connection (117)；Described discharge connection (117) is positioned at the corresponding signal pipe (15) of the outlet side of described gas pressure regulator, governor, described induction cavity (14) and executor (104) and is all connected with discharge connection (117)；Discharge connection (117) adopts following structure, it includes body (201) and the mounting flange (202) being placed on body (201), body (201) bottom is welding shoulder (203), loose flange (204) is positioned in welding shoulder (203), and the end face of welding shoulder (203) arranges sealing ring B(205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909405.7U CN205350475U (en) | 2015-11-16 | 2015-11-16 | Spring load direct action formula gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909405.7U CN205350475U (en) | 2015-11-16 | 2015-11-16 | Spring load direct action formula gas pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350475U true CN205350475U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520909405.7U Expired - Fee Related CN205350475U (en) | 2015-11-16 | 2015-11-16 | Spring load direct action formula gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605267A (en) * | 2015-11-16 | 2016-05-25 | 乐山市山鹰模具有限责任公司 | Gas pressure regulator achieving direct action through spring load |
| CN116379194A (en) * | 2023-06-05 | 2023-07-04 | 河北欧意诺燃气设备有限公司 | Pressure relief explosion-proof gas pressure regulator |
-
2015
- 2015-11-16 CN CN201520909405.7U patent/CN205350475U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605267A (en) * | 2015-11-16 | 2016-05-25 | 乐山市山鹰模具有限责任公司 | Gas pressure regulator achieving direct action through spring load |
| CN116379194A (en) * | 2023-06-05 | 2023-07-04 | 河北欧意诺燃气设备有限公司 | Pressure relief explosion-proof gas pressure regulator |
| CN116379194B (en) * | 2023-06-05 | 2023-08-04 | 河北欧意诺燃气设备有限公司 | Pressure relief explosion-proof gas pressure regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20161116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |