CN203686314U - Safety stop valve director with overpressure, underpressure, hand-operated and long-range control functions integrated - Google Patents
Safety stop valve director with overpressure, underpressure, hand-operated and long-range control functions integrated Download PDFInfo
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- CN203686314U CN203686314U CN201420010806.4U CN201420010806U CN203686314U CN 203686314 U CN203686314 U CN 203686314U CN 201420010806 U CN201420010806 U CN 201420010806U CN 203686314 U CN203686314 U CN 203686314U
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Abstract
The utility model relates to a safety stop valve director with the overpressure, underpressure, hand-operated and long-range control functions integrated. The safety stop valve director comprises an upper shell, a middle shell, a lower shell, a pull rod, a heavy punch, an overpressure or underpressure control mechanism, a hand-operated control mechanism and a long-range electromagnetic control mechanism. The hand-operated control mechanism comprises a steel ball supporting frame, a triggering rotation wheel, steel balls, a hand-operated triggering rod and a positioning thread sleeve. The steel ball supporting frame is fixedly connected to an inward-concave platform of the lower shell, the upper portion of the steel ball supporting frame is provided with the triggering rotation wheel in a sliding matched mode, the lower surface of the triggering rotation wheel is provided with a compression and twist spring which is arranged on the steel ball supporting frame in a sleeved mode, a plurality of concave pits are evenly distributed in the center of the triggering rotation wheel, and the steel balls are placed in the concave pits and are placed in an annular groove of the pull rod. The safety stop valve director has the advantages that the four functions of overpressure, underpressure and hand-operated and long-range control are achieved through the different displacement directions of the triggering rotation wheel.
Description
Technical field
The utility model belongs to valve actuator, relates in particular to a kind of integrated superpressure, under-voltage, manual, telecontrol in the safety cut-off valve pilot valve of one.
Background technique
Pressure control system for natural gas transmission station is mainly made up of safety cut-off valve, monitoring pressure regulator valve, work pressure regulator valve.The valve body of safety cut-off valve is to be connected with the pipeline before monitoring pressure regulator valve by flange; the control pilot valve of safety cut-off valve shutdown mechanism is connected with the pipeline after work pressure regulation by impulse signal catheter; receive downstream feedback pilot pressure; whether control safety cut-off valve closes; in the time that downstream pressure exceeds normal operating pressure scope, self-closing safety cut-off valve timely, cuts off the improper conveying of combustion gas; with protection upstream device and pipeline safety, for gas transmission station provides effective safety guarantee.Electric-controlled type rock gas repid cut-off valve is made up of parts such as electromagnetic mechanism, locking framework, weight and the weight arms of favorable sealing property.When valve opening, weight arm is in erection position.Power connection, weight arm is locked by locking framework, the normal gas transmission of pipeline.In the time that pipeline internal medium pressure occurs extremely must cutting off medium immediately lower than specified value or system, can make electromagnetic mechanism power-off by corresponding loop, unlock.Weight arm and weight, under the effect of gravity and spring force, move downward and trigger safety cut-off valve valve plate mechanism, valve closing.In the time of needs air feed, weight arm is upwards promoted together with weight, to locking framework reset, the now junction closure of position limit switch, electromagnetic mechanism obtains electric, and weight arm is locked.Now, safety cut-off valve valve plate can reset, and valve is again opening state.
At present the control pilot valve of safety cut-off valve shutdown mechanism adopts excess pressure cutout or the under-voltage cut-out of simple function more, or release to the external world design of combustion gas of telecontrol, lacks Manual local cutting function in emergency circumstances.Normal gas pipeline industry is urgently developed and is a kind ofly taken into account safe and multiple utility function in the safety cut-off valve control of one.
Model utility content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and provide a kind of integrated superpressure, under-voltage, manual, telecontrol in the safety cut-off valve pilot valve of one, for key safety cut-off valve in the control pressurer system of pipeline transport gas has increased several functions and improved its safety coefficient.
The utility model for achieving the above object, by the following technical solutions: a kind of integrated superpressure, under-voltage, manually, telecontrol is in the safety cut-off valve pilot valve of one, comprise upper shell, middle shell, lower shell body, pull bar, weight, superpressure or under-voltage control mechanism, manual control mechanism and long-range Electromagnetic Control mechanism, described weight is fixed in pull bar top, described pull bar and weight are placed in upper shell, middle shell and lower shell body central authorities move up and down, the relative middle shell of described pull bar position is provided with annular recess, described upper shell and middle shell are affixed, described superpressure or under-voltage control mechanism are placed in upper shell and run through lower shell body, described long-range Electromagnetic Control mechanism and manual control mechanism are fixed in respectively lower shell body both sides, described manual control mechanism comprises steel ball supporting frame, trigger runner, steel ball, manual triggers bar and positioning thread insert, described steel ball supporting frame is fixed on the interior concave station of lower shell body, described steel ball supporting frame top is sliding combined with triggering runner, described triggering runner lower surface is provided with the pressure torsion spring being sleeved on steel ball supporting frame, described triggering runner center is evenly equipped with some recesses, in described recess, be equipped with steel ball, described steel ball is placed in again the annular recess of pull bar, the outside surrounding of described triggering runner is at right angles arranged with triggering pin, described triggering pin and manual triggers bar front end touch, described manual triggers bar is slidably connected with the positioning thread insert being fixed on lower shell body sidewall, described long-range Electromagnetic Control mechanism and described triggering pin touch.
Described triggering runner sectional shape is square or circular, and the upper and lower both sides of its central recess are provided with annular groove, and described steel ball supporting frame axial cross section shape is inverted T-shaped.
Described superpressure or under-voltage control mechanism comprise that pressure feedback entrance, superpressure regulate big spring, under-voltage adjusting little spring, piston and Regulation spring seat, described pressure feedback entrance is fixed in the airtight pressure pocket forming on middle shell sidewall and with upper shell, middle shell and is communicated with, described piston and upper shell and middle shell are slidably matched, described piston and Regulation spring seat are pegged graft, described Regulation spring seat inner chamber is equipped with under-voltage adjusting little spring, described Regulation spring seat cylindrical is set with superpressure and regulates big spring, and described superpressure regulates big spring top to be provided with the gland being spirally connected with upper shell.
Described superpressure regulates between big spring end and Regulation spring seat and is provided with pressure bearing.
Described piston and upper shell and middle shell are slidably matched by seal ring.
Under described piston, Transverse plane touches by the triggering runner upper surface of pressure bearing and manual control mechanism.
Described pull bar is spirally connected with weight after running through the triggering runner center of Regulation spring seat, piston and manual control mechanism of superpressure or under-voltage control mechanism.
Between described weight and lower shell body, be provided with weight spring.
Beneficial effect: compared with prior art, the utility model integrates superpressure, under-voltage, manual, remote control function, by triggering the difference of direction of displacement of runner, has realized four kinds of functions respectively.,, when feedback pressure is during higher than (superpressure) or lower than setting value of (under-voltage) normal work, the shut-off means (pull bar and weight) that triggers safety cut-off valve cuts out it completely.Triggering runner can realize and trigger excess pressure cutout or under-voltage cutting function with axially moving up and down of piston; Trigger runner simultaneously under the axial motion of long-range Electromagnetic Control mechanism or manual triggers bar, axial-rotation occurs, and then can realize telecontrol or the function of hand off on the spot, effectively increased the safety coefficient of pilot valve.Its design and manufacture cost is low, and technique is simple, and cut-out precision is high, stable performance, for key safety cut-off valve in the control pressurer system of pipeline transport gas has increased several functions and improved its safety coefficient.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation that triggers runner;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is that the utility model is in pressure control system for natural gas transmission station connection diagram.
In figure: 1, pull bar, 1-1, annular recess, 2, superpressure regulate big spring, 3, under-voltage adjusting little spring, 4, upper shell, 5, piston, 6, middle shell, 7, press torsion spring, 8, long-range Electromagnetic Control mechanism, 9, lower shell body, 10, weight spring, 11, weight, 12, steel ball supporting frame, 13, trigger runner, 13-1, recess, 13-2, triggering pin, 13-3, annular groove, 14, steel ball, 15, manual triggers bar, 16, positioning thread insert, 17, Regulation spring seat, 18, gland, 19, pressure bearing, 20, pressure feedback entrance, 21, seal ring;
2-1 safety cut-off valve, 2-2 pilot valve, 2-3 pressure regulator valve (monitoring), 2-4 modulating valve (work).
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with preferred embodiment.
Embodiment
Refer to accompanying drawing 1-3, the utility model compared with prior art, provide a kind of integrated superpressure, under-voltage, manual, telecontrol in the safety cut-off valve pilot valve of one, by upper shell 4, middle shell 6 form airtight pressure pocket and and lower shell body 9 form monolithic case after affixed, the utility model by triggering the different direction of displacement control shut-off means of runner 13, pull bar and weight move up and down it, superpressure, under-voltage, manual, four kinds of functions of telecontrol are realized, to ensure the unlatching of valve or to close.Concrete structure is: the shut-off means being made up of pull bar 1 and weight 11, superpressure or under-voltage control mechanism, manual control mechanism and long-range Electromagnetic Control mechanism 8, described weight is fixed in pull bar top, the relative middle shell of described pull bar position is provided with annular recess 1-1, described upper shell and middle shell are affixed, described superpressure or under-voltage control mechanism are placed in upper shell and run through lower shell body, described long-range Electromagnetic Control mechanism 8 and manual control mechanism are fixed in respectively lower shell body both sides, described manual control mechanism comprises steel ball supporting frame 12, trigger runner 13, steel ball 14, manual triggers bar 15 and positioning thread insert 16, described steel ball supporting frame is bolted on the interior concave station of lower shell body, described steel ball supporting frame top is sliding combined with triggering runner, described triggering runner lower surface is provided with the pressure torsion spring 7 being sleeved on steel ball supporting frame, described triggering runner center is evenly equipped with some recess 13-1 (the present embodiment arranges six), in described recess, be equipped with steel ball, described six steel balls are placed in again the annular recess of pull bar, the outside surrounding of described triggering runner is at right angles arranged with and triggers pin 13-2, described triggering pin and manual triggers bar front end touch, described manual triggers bar is slidably connected with the positioning thread insert being fixed on lower shell body sidewall, described long-range Electromagnetic Control mechanism and described triggering pin touch.Described triggering runner sectional shape is square or circular, and the upper and lower both sides of its central recess are provided with annular groove 13-3, and described steel ball supporting frame axial cross section shape is inverted T-shaped.Described superpressure or under-voltage control mechanism comprise pressure feedback entrance 20, superpressure regulates big spring 2, under-voltage adjusting little spring 3, piston 5 and Regulation spring seat, described pressure feedback entrance be fixed on middle shell sidewall and and upper shell, middle shell forms airtight pressure pocket and is communicated with, described piston and upper shell and middle shell are slidably matched, described piston and Regulation spring seat 17 are pegged graft, described Regulation spring seat inner chamber is equipped with under-voltage adjusting little spring, described Regulation spring seat cylindrical is set with superpressure and regulates big spring, described superpressure regulates big spring top to be provided with the gland 18 being spirally connected with upper shell.Described superpressure regulates between big spring end and Regulation spring seat and is provided with pressure bearing 19, reduces resistance.Described piston and upper shell and middle shell are slidably matched by seal ring 21, ensure the sealing in piston and housing seal chamber.Under described piston, Transverse plane touches by the triggering runner upper surface of pressure bearing and manual control mechanism, to reduce resistance.Described pull bar is spirally connected with weight after running through the triggering runner center of Regulation spring seat, piston and manual control mechanism of superpressure or under-voltage control mechanism.Between described weight and lower shell body, be provided with weight spring 10, play reset response.Long-range Electromagnetic Control mechanism adopts conventional valve electromagnetic iron assembly.
Working procedure: as shown in Figure 4, safety cut-off valve 2-1, pilot valve 2-2, monitoring pressure regulator valve 2-3, work pressure regulator valve 2-4.Safety cut-off valve is connected with the pipeline of the key equipment " pressure control system for natural gas transmission station " of gas transmission station by flange.Pilot valve 2-2 on valve body is connected with the pipeline after work pressure regulation 2-4 by impulse signal catheter; receive downstream feedback pilot pressure; control the closing motion of safety cut-off valve; to ensure that downstream occurs can closing timely delivery line under abnormal condition, the safety of protection downstream fuel gas pipeline.
Safety cut-off valve pilot valve, in the time of work, is connected with pilot valve by downstream impulse signal catheter.After the feedback pressure of Pipeline transport normal pressure gas enters in pilot valve pressure pocket by pressure feedback entrance, make piston and superpressure or under-voltage two Regulation springs in an equilibrium position.When feedback pressure exceeds (superpressure) after setting range, the pressure of over-pressure gas in pressure pocket makes piston produce axial displacement and exceeds the range of balance that superpressure regulates big spring to set, piston is promoted to rise by superpressure, now pressing under the effect of torsion spring, triggering runner produces equally to top offset, pull bar is under the downward pulling force effect of weight spring, steel ball is disperseed to surrounding in the restriction direction of steel ball supporting frame, enter in the downside annular groove 13-3 that triggers runner, pushing drawing rod and weight move under the effect of weight spring, trigger the shutdown mechanism of safety cut-off valve, safety cut-off valve is closed, same under-voltage function: after feedback pressure is lower than setting range, feedback pressure is less than the setting elastic force of under-voltage adjusting little spring, under the promotion of under-voltage adjusting little spring, piston moves down, and then with it contact pressure bearing and trigger runner produce to bottom offset simultaneously, pull bar is under the downward pulling force effect of weight spring, steel ball is disperseed to surrounding in the restriction direction of steel ball supporting frame, enter in the upside annular groove 13-3 that triggers runner, pushing drawing rod and weight move under the effect of weight spring, trigger the shutdown mechanism of safety cut-off valve, safety cut-off valve is closed.
Feedback pressure is in the setting range of normal work and the interim maintaining occurring or debugging and power-off etc. while going into operation are in particular cases used long-range or manual.The axial displacement of manual triggers bar or electromagnet assembly can make to trigger runner generation axial-rotation, and then can make equally steel ball disperse to surrounding in the restriction direction of steel ball supporting frame, enter the recess 13-1 that triggers runner, thereby pull bar and weight are moved under the effect of weight spring, the shutdown mechanism that triggers safety cut-off valve, cuts out safety cut-off valve; Electromagnet assembly can be according to user's needs, be set to obtain electric triggering or dead electricity triggering, especially dead electricity triggers, in the time that the pressure regulator valve of working in voltage-regulating system adopts electric actuator, an once station burst powering-off state, when electrical equipment cannot normally be worked, effectively rapid triggering shutdown mechanism closed safe cut-off valve, ensures the safety that combustion gas is carried; Hand off can, under debugging or emergency case, promptly trigger shutdown mechanism on the spot on the spot, and closed safe cut-off valve, conveniently meets consumers' demand.
In the time that the work pressure regulator valve of running into breaks down; when pressure regulation exceeds normal range of operation; feedback pressure enters pilot valve; original balance of piston is broken; cause and trigger runner generation axial displacement; trigger the shutdown mechanism of safety cut-off valve; thereby safety cut-off valve is closed; ensure downstream air feed safety; long-range electromagnetism cuts off and can be set to power-off triggering or energising triggering; and then can be in indoor cut-out, the effective safety of protecting equipment Pipe-Line in the situation that power-off triggering can happening suddenly power-off at station controlled of remote monitoring.
The above, be only preferred embodiment of the present utility model, not structure of the present utility model done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the technical solution of the utility model.
Claims (8)
1. an integrated superpressure, under-voltage, manually, telecontrol is in the safety cut-off valve pilot valve of one, it is characterized in that: comprise upper shell, middle shell, lower shell body, pull bar, weight, superpressure or under-voltage control mechanism, manual control mechanism and long-range Electromagnetic Control mechanism, described weight is fixed in pull bar top, described pull bar and weight are placed in upper shell, middle shell and lower shell body central authorities move up and down, the relative middle shell of described pull bar position is provided with annular recess, described upper shell and middle shell are affixed, described superpressure or under-voltage control mechanism are placed in upper shell and run through lower shell body, described long-range Electromagnetic Control mechanism and manual control mechanism are fixed in respectively lower shell body both sides, described manual control mechanism comprises steel ball supporting frame, trigger runner, steel ball, manual triggers bar and positioning thread insert, described steel ball supporting frame is fixed on the interior concave station of lower shell body, described steel ball supporting frame top is sliding combined with triggering runner, described triggering runner lower surface is provided with the pressure torsion spring being sleeved on steel ball supporting frame, described triggering runner center is evenly equipped with some recesses, in described recess, be equipped with steel ball, described steel ball is placed in again the annular recess of pull bar, the outside surrounding of described triggering runner is at right angles arranged with triggering pin, described triggering pin and manual triggers bar front end touch, described manual triggers bar is slidably connected with the positioning thread insert being fixed on lower shell body sidewall, described long-range Electromagnetic Control mechanism and described triggering pin touch.
2. integrated superpressure according to claim 1, under-voltage, manual, telecontrol are in the safety cut-off valve pilot valve of one, it is characterized in that: described triggering runner sectional shape is square or circular, the upper and lower both sides of its central recess are provided with annular groove, and described steel ball supporting frame axial cross section shape is inverted T-shaped.
3. integrated superpressure according to claim 1 and 2, under-voltage, manually, telecontrol is in the safety cut-off valve pilot valve of one, it is characterized in that: described superpressure or under-voltage control mechanism comprise pressure feedback entrance, superpressure regulates big spring, under-voltage adjusting little spring, piston and Regulation spring seat, described pressure feedback entrance be fixed on middle shell sidewall and and upper shell, the airtight pressure pocket that middle shell forms is communicated with, described piston and upper shell and middle shell are slidably matched, described piston and Regulation spring seat are pegged graft, described Regulation spring seat inner chamber is equipped with under-voltage adjusting little spring, described Regulation spring seat cylindrical is set with superpressure and regulates big spring, described superpressure regulates big spring top to be provided with the gland being spirally connected with upper shell.
4. integrated superpressure according to claim 3, under-voltage, manual, telecontrol, in the safety cut-off valve pilot valve of one, is characterized in that: described superpressure regulates between big spring end and Regulation spring seat and is provided with pressure bearing.
5. integrated superpressure according to claim 4, under-voltage, manual, telecontrol, in the safety cut-off valve pilot valve of one, is characterized in that: described piston and upper shell and middle shell are slidably matched by seal ring.
6. integrated superpressure according to claim 5, under-voltage, manual, telecontrol, in the safety cut-off valve pilot valve of one, is characterized in that: under described piston, Transverse plane touches by the triggering runner upper surface of pressure bearing and manual control mechanism.
7. integrated superpressure according to claim 6, under-voltage, manual, telecontrol, in the safety cut-off valve pilot valve of one, is characterized in that: described pull bar is spirally connected with weight after running through the triggering runner center of Regulation spring seat, piston and manual control mechanism of superpressure or under-voltage control mechanism.
8. integrated superpressure according to claim 7, under-voltage, manual, telecontrol, in the safety cut-off valve pilot valve of one, is characterized in that: between described weight and lower shell body, be provided with weight spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010806.4U CN203686314U (en) | 2014-01-07 | 2014-01-07 | Safety stop valve director with overpressure, underpressure, hand-operated and long-range control functions integrated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010806.4U CN203686314U (en) | 2014-01-07 | 2014-01-07 | Safety stop valve director with overpressure, underpressure, hand-operated and long-range control functions integrated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686314U true CN203686314U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420010806.4U Withdrawn - After Issue CN203686314U (en) | 2014-01-07 | 2014-01-07 | Safety stop valve director with overpressure, underpressure, hand-operated and long-range control functions integrated |
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| Country | Link |
|---|---|
| CN (1) | CN203686314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697218A (en) * | 2014-01-07 | 2014-04-02 | 天津贝特尔流体控制阀门有限公司 | Safety shut-off valve director integrating functions of overpressure, voltage shortage, manual operation and long-range control |
| CN105757320A (en) * | 2016-01-25 | 2016-07-13 | 范玉祥 | Automatic pipeline intercepting valve |
-
2014
- 2014-01-07 CN CN201420010806.4U patent/CN203686314U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697218A (en) * | 2014-01-07 | 2014-04-02 | 天津贝特尔流体控制阀门有限公司 | Safety shut-off valve director integrating functions of overpressure, voltage shortage, manual operation and long-range control |
| CN105757320A (en) * | 2016-01-25 | 2016-07-13 | 范玉祥 | Automatic pipeline intercepting valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BOSITE ENERGY EQUIPMENTS (TIANJIN) CO., LTD. Free format text: FORMER OWNER: TIANJIN BTER FLOW CONTROL VALVE CO., LTD. Effective date: 20150108 Owner name: TIANJIN BTER FLOW CONTROL VALVE CO., LTD. Effective date: 20150108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 301712 WUQING, TIANJIN TO: 300000 WUQING, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150108 Address after: 300000 Tianjin District of Wuqing City Industrial Park Road No. 2 Keihin Taiyuan Patentee after: BEST ENERGY EQUIPMENT (TIANJIN) COMPANY LIMITED Patentee after: TIANJIN BTER FLUID CONTROL VALVE CO., LTD. Address before: 301712 Tianjin Keihin Industrial Park of Wuqing District ancient road, No. 11 Patentee before: TIANJIN BTER FLUID CONTROL VALVE CO., LTD. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |