CN205226584U - Possess and detect stable transmission of atmospheric pressure and quick gas safety trip valve of threading off - Google Patents
Possess and detect stable transmission of atmospheric pressure and quick gas safety trip valve of threading off Download PDFInfo
- Publication number
- CN205226584U CN205226584U CN201520909454.0U CN201520909454U CN205226584U CN 205226584 U CN205226584 U CN 205226584U CN 201520909454 U CN201520909454 U CN 201520909454U CN 205226584 U CN205226584 U CN 205226584U
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- valve
- screw rod
- striker
- cut
- pipe joint
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Abstract
The utility model discloses a possess and detect stable transmission of atmospheric pressure and quick gas safety trip valve of threading off, including valve body component, case subassembly and tripping device, main valve lamella in the case subassembly valve port in corresponding to valve body component, it closes the spring to set up in the last handle that sets up of tripping device, case subassembly, tripping device includes dropout subtotal sensing part, the part of threading off is including touching board, bent plate, firing pin A, firing pin B, couple, removing fastener, sensing part includes the response chamber of screw rod, ejector pin, screw rod lock mother, adjusting nut and rear end, be provided with the coupling with the signal pipe butt joint in the atmospheric pressure detection mouth that the response chamber corresponds, changed that trip valve signal pipe that the directness divides the problem of being connected with sensor portion in the present trip valve, firm zonulae occludens between signal pipe and the coupling, even the long -time back of using, obscissions such as crack can not appear in its connection position, the circumstances of junction unstability more can not appear, have guaranteed the leakproofness of atmospheric pressure.
Description
Technical field
The utility model relates to a kind of gas safety cut-off valve, and especially a kind of possess the gas safety cut-off valve detecting stable gas pressure transmission and rapid-releasing.
Background technique
Gas safety cut-off valve is used for gas transmission and distribution system, and when the line pressure that cut-off valve controls is higher or lower than cut-out setting pressure, safety cut-off valve can emergency cut-off pipeline air-flow, protection upstream device.Cut-off valve is generally made up of closing element (as flap), driving element (as cut out spring), tripping mechanism, control unit (as Regulation spring, sensor diaphragm), manual reset element (as handle) etc.Cut-off valve is a kind of safety installations, the setting of cut-out pressure, being the decrement by changing Regulation spring, allowing the elastic force of spring compared with the air pressure (sending from pressure point) of sensor diaphragm opposite side, after exceeding the setting value of expection, cut-off valve cuts off automatically.General Requirements safety cut-off valve is except self having corresponding intensity, after the air pressure of pressure point exceedes the setting value of expection, it is also in demand that cut-off valve cuts off accurately, following situation is there will be: after the air pressure of pressure point is not normal when using because actual, cut-off valve does not cut off, or the air pressure of pressure point normal time, because cut-off valve is impacted or other external actions, occur cutting off by mistake.In existing cut-off valve, cut-off valve signal tube is directly connected with Sensor section, and after using a period of time, its connection part easily occurs crack, easily comes off; Due to the instability of joint, easily cause pressurized seal poor, affect the effect that sensor detects, affect cut-off valve performance and working life.Therefore need to be improved, therefore the utility model provides a kind of for the tripping mechanism in gas safety cut-off valve at this, comprehensively overcomes above-mentioned defect.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of at this and possess the gas safety cut-off valve detecting stable gas pressure transmission and rapid-releasing, this cut-off valve stable performance, inner tripping mechanism can ensure that cut-off valve does not occur cutting off by the impact of external impact by mistake, and the precision also detecting air pressure for improving cut-off valve provides Reliable guarantee; And the air pressure that induction cavity is corresponding detects in mouth and is provided with the pipe joint docked with signal tube; Changing cut-off valve signal tube in existing cut-off valve is the problem be directly connected with Sensor section, between signal tube with pipe joint, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life.
The utility model is achieved in that structure is a kind of and possesses the gas safety cut-off valve detecting stable gas pressure transmission and rapid-releasing, it is characterized in that: comprise valve component, mangetic core assembly and tripping mechanism; Tripping mechanism, mangetic core assembly and valve component are interconnected, and the main valve clack in mangetic core assembly corresponds to the valve port in valve component; Tripping mechanism arranges handle, closedown spring is set in mangetic core assembly; Described tripping mechanism comprises thread off part and transducing part; Wherein dropout part comprises touches plate, bent plate, striker A, striker B, hook, dropout part; Described transducing part comprises 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 on screw rod, arrange nut A and nut B, and nut A and nut B lays respectively at the both sides of bent plate; Hook and dropout part are interlockingly connected, and hook arranges slide block assembly; Touch plate to be connected with dropout part, striker A and striker B lays respectively at the upper bottom of 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; The air pressure that induction cavity is corresponding detects in mouth and is provided with the pipe joint docked with signal tube; Pipe joint has outside trumpet-shaped step inner joint and outer end, arranges black box A and black box B between signal tube and the pipe joint docked; The outer installment fastener assembly that signal tube docks with pipe joint; Seal ring is between signal tube, pipe joint and black box B, changing cut-off valve signal tube in existing cut-off valve is the problem be directly connected with Sensor section, between signal tube with pipe joint, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life.
The utility model has the advantage of: the utility model provides a kind of gas safety cut-off valve possessing the transmission of detection stable gas pressure and rapid-releasing by improving at this, this cut-off valve stable performance, inner tripping mechanism can ensure that cut-off valve does not occur cutting off by the impact of external impact by mistake, and the precision also detecting air pressure for improving cut-off valve provides Reliable guarantee; Its two, air pressure corresponding to described induction cavity detects in mouth and is provided with the pipe joint docked with signal tube; Pipe joint has outside trumpet-shaped step inner joint and outer end, arranges black box A and black box B between signal tube and the pipe joint docked; The outer installment fastener assembly that signal tube docks with pipe joint; Seal ring is between signal tube, pipe joint and black box B; Changing cut-off valve signal tube in existing cut-off valve is the problem be directly connected with Sensor section, between signal tube with pipe joint, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram
Fig. 2-3 is tripping mechanism schematic diagram described in the utility model
Fig. 4 is the utility model signal tube and pipe joint connection diagram
Fig. 5 is the utility model pipe joint schematic diagram
Fig. 6 is close-up schematic view in Fig. 4
Wherein: touch plate 1, bent plate 2, striker A3, striker B4, hook 5, dropout part 6, screw rod 7, push rod 8, screw rod locknut 9, adjusting nut 10, nut A11, nut B12, slide block assembly 13, induction cavity 14, signal tube 15, pipe joint 16, pipe joint outside trumpet-shaped step inner joint 16a, outer end 16b, black box A17, black box B18, fastener assembly 19, seal ring 20, valve component 101, mangetic core assembly 102, tripping mechanism 103, handle 104, main valve clack 105, closes spring 106, spacing position; Put A107, restraining position B108, valve port 109.
Embodiment
Be described in detail to the utility model below in conjunction with accompanying drawing 1-6, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of gas safety cut-off valve possessing the transmission of detection stable gas pressure and rapid-releasing by improving, and as shown in figures 1 to 6, can be implemented in the following manner; Comprise valve component 101, mangetic core assembly 102 and tripping mechanism 103; Tripping mechanism 103, mangetic core assembly 102 and valve component 101 are interconnected, and the main valve clack 105 in mangetic core assembly 102 corresponds to the valve port 109 in valve component 101; Tripping mechanism 103 is arranged handle 104, arrange in mangetic core assembly 102 and close spring 106; Described tripping mechanism comprises thread off part and transducing part; Wherein dropout part comprises touches plate 1, bent plate 2, striker A3, striker B4, hook 5, dropout part 6; Described transducing part comprises 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 on screw rod 7, arrange nut A11 and nut B12, and nut A11 and nut B12 lays 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 A3 and striker B4 lays respectively at the upper bottom of 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 corresponds to striker B4.Working principle: when the pressure being sent to film side in transducing part 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, release main valve clack, main valve clack is under the effect of closing spring, move down rapidly, and fit tightly with valve port, the air-flow in cut-off valve.After cut-off valve cuts off, need the flap manually opening cut-off valve, handle rotates after being inserted in rotating shaft, can detain on whole tripping mechanism, makes the flap of cut-off valve be in opening state, continues to use.Another improvement of the present utility model is: the air pressure of described induction cavity 14 correspondence detects in mouth and is provided with the pipe joint 16 docked with signal tube 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 tube 15 and the pipe joint 16 docked; The outer installment fastener assembly 19 that signal tube 15 docks with pipe joint 16; Seal ring 20 is between signal tube 15, pipe joint 16 and black box B18; Changing cut-off valve signal tube in existing cut-off valve is the problem be directly connected with Sensor section, between signal tube 15 with pipe joint 16, secure rigid is connected, after using even if long-time, its connection part there will not be the obscissions such as crack, more there will not be the situation of joint instability, ensure that the sealing of air pressure, the Detection results of sensor can not be affected, be conducive to the prolongation in cut-off valve performance and working life.
Aeration step: state before ventilation; Inlet/outlet valve closing (guaranteeing between inlet/outlet valve without air pressure);
The cut-out setting value of cut-off valve is through confirming; The force value (setting pressure of pressure governor) of cut-off valve monitoring confirms;
Aeration: start signal opens and closes valve; Close and detect valve; Cut-off valve is in closed condition; Slightly open inlet valve lentamente; By cut-off valve handle to opening direction slow circumvolve 10 degree, wait for that the inlet and outlet pressure of cut-off valve reaches balance;
Reset process: after cut-off valve cuts out for some reason, should check out the reason of superpressure or decompression, and after dealing with cut-off valve reason, need manually to open cut-off valve, step is as follows;
1, first slowly open inlet valve, before importing after pressure, close inlet/outlet valve;
2, detection valve is closed, opening signal pipe air intake valve;
3, pick up handle, the square hole of handle is inserted on the square shaft at tripping mechanism rear portion;
4, by handle to opening direction slow circumvolve 10 degree, wait for that the inlet and outlet pressure of cut-off valve reaches balance, observe pressure that cut-off valve monitors simultaneously whether in setting range, next step operation time normal, can be carried out;
5, be rotated further handle, open main valve clack, until tripping mechanism is detained, keep the opening state of main valve clack;
6, slowly inlet valve and outlet valve is opened.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (1)
1. possess the gas safety cut-off valve detecting stable gas pressure transmission and rapid-releasing, it is characterized in that: comprise valve component (101), mangetic core assembly (102) and tripping mechanism (103); Tripping mechanism (103), mangetic core assembly (102) and valve component (101) are interconnected, and the main valve clack (105) in mangetic core assembly (102) is corresponding to the valve port (109) in valve component (101); Tripping mechanism (103) is arranged handle (104), arrange in mangetic core assembly (102) and close spring (106); Described tripping mechanism (103) comprises thread off part and transducing part; Wherein dropout part comprise touch plate (1), bent plate (2), striker A(3), striker B(4), hook (5), dropout part (6); Described transducing part comprises 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 of 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 that induction cavity (14) is corresponding detects in mouth and is provided with the pipe joint (16) docked with signal tube (15); Pipe joint (16) has outside trumpet-shaped step inner joint (16a) and outer end (16b), arranges black box A(17 between signal tube (15) with the pipe joint docked (16)) and black box B(18); The outer installment fastener assembly (19) that signal tube (15) docks with pipe joint (16); Seal ring (20) is positioned at signal tube (15), pipe joint (16) and black box B(18) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909454.0U CN205226584U (en) | 2015-11-16 | 2015-11-16 | Possess and detect stable transmission of atmospheric pressure and quick gas safety trip valve of threading off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520909454.0U CN205226584U (en) | 2015-11-16 | 2015-11-16 | Possess and detect stable transmission of atmospheric pressure and quick gas safety trip valve of threading off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226584U true CN205226584U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520909454.0U Expired - Fee Related CN205226584U (en) | 2015-11-16 | 2015-11-16 | Possess and detect stable transmission of atmospheric pressure and quick gas safety trip valve of threading off |
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| Country | Link |
|---|---|
| CN (1) | CN205226584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360393A (en) * | 2019-08-14 | 2019-10-22 | 宁波米勒管道科技有限公司 | A kind of kitchen range stainless steel tube mechanical sealing connectivity kit |
-
2015
- 2015-11-16 CN CN201520909454.0U patent/CN205226584U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360393A (en) * | 2019-08-14 | 2019-10-22 | 宁波米勒管道科技有限公司 | A kind of kitchen range stainless steel tube mechanical sealing connectivity kit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161116 |