CN202402776U - Safety interlocking device for pigging valve quick-opening gate - Google Patents
Safety interlocking device for pigging valve quick-opening gate Download PDFInfo
- Publication number
- CN202402776U CN202402776U CN2011204163118U CN201120416311U CN202402776U CN 202402776 U CN202402776 U CN 202402776U CN 2011204163118 U CN2011204163118 U CN 2011204163118U CN 201120416311 U CN201120416311 U CN 201120416311U CN 202402776 U CN202402776 U CN 202402776U
- Authority
- CN
- China
- Prior art keywords
- valve
- quick operating
- safety
- operating valve
- quick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a mechanical device used for guaranteeing operation safety when a pigging valve quick-opening gate is opened or closed, namely a safety interlocking device for the pigging valve quick-opening gate. In the prior art, the structure includes a positioning pin, a safety pin and a relief valve, and has the defects that the safety pin and the relief valve are operated independently and respectively and have to be operated in the required order, the operation is inconvenient, and the use safety is poor. The utility model aims to develop the safety interlocking device for the pigging valve quick-opening gate. The structure comprises a quick-opening gate (11) and a safety interlocking assembly, wherein the quick-opening gate (11) is rotationally assembled on a quick-opening gate body (10) fixed by a quick-opening end of a valve body (12); and the safety interlocking assembly comprises a positioning pin (4), a safety pin (5), a connection pipe (6), a ball valve (7), a pin shaft (8) and a linkage handle (9). The device has the advantages that the opening/closing of the relief valve and the locking of the quick-opening gate by the safety pin are linked mutually, the operation is quick and convenient, and the use safety of a pigging valve is improved.
Description
One, technical field
The utility model relates to a kind of mechanical device that is used for ensureing when the pipe cleaning valve quick operating valve opens and closes handling safety, the i.e. safety interlock of pipe cleaning valve quick operating valve.Typical application is exactly the quick operating valve of pipe cleaning valve on fluid pipe-lines such as chemicals, oil product, rock gas.
Two, background technique
At present; What known pipe cleaning valve quick operating valve carried out secondary release guarantee handling safety when opening and closing is on fast beginning of valve body and quick operating valve body, to be respectively arranged with locating stud, safety pin, Decompression valves; Shortcoming is a safety pin and Decompression valves independent operation and must order as requested carrying out separately, when opening quick operating valve, must open Decompression valves earlier, extract safety pin again; When closing quick operating valve, must insert earlier safety pin, close Decompression valves again.Just do not extract safety pin if open Decompression valves, just might just open quick operating valve without the secondary release, this moment is in case a release has misoperation or fault; There is pressure in valve pocket; The moment pressure medium of opening quick operating valve can bring harm to operation, and it is not convenient to operate, and safety in utilization is bad.
Three, summary of the invention
The purpose of the utility model is the safety interlock of a kind of pipe cleaning valve quick operating valve of development.Reach that the keying and the safety pin of Decompression valves is interconnected moving, swift to operate to the locking phase of quick operating valve, improve the pipe cleaning valve safety in utilization, realize the purpose of industrialized production.
The technological scheme of the utility model: in order better to understand technology contents, please be simultaneously referring to accompanying drawing, label is placed in the bracket behind the component.
The safety interlock of pipe cleaning valve quick operating valve; Go up assembling rotating quick operating valve (11) by fixing quick operating valve body (10) of fast beginning of valve body (12); With and the safety interlocking assembly form, it is characterized in that: in the safety interlocking assembly, the ball valve (7) of controlled chamber pressure is assembled in the fast beginning side of valve body (12); Fixing co-acting lever (9) on the valve rod of ball valve (7); Fixed end cam path (13) attachment security pin (5) pin handle of co-acting lever (9), safety pin (5) front end passes the through hole on quick operating valve body (10) sidewall, and locating stud (4) is fixed on the quick operating valve body (10).
The technological scheme of the utility model comprises:
The safety interlock of described pipe cleaning valve quick operating valve is characterized in that: the ball valve of controlled chamber pressure (7) is fixed on the sidewall through hole outside of fast beginning of valve body (12); Ball valve (7) one ends communicate another termination atmosphere or blow-down pipe through taking over (6) with the fast beginning inner chamber of valve body (12).
The safety interlock of described pipe cleaning valve quick operating valve is characterized in that: safety pin (5) front end passes quick operating valve body (10), and safety pin (5) front end inserts the lower wall at arc groove (14) position of quick operating valve (11); Be fixed on the locating stud (4) on the quick operating valve body (10), its locating stud (4) front end inserts the upper side wall at arc groove (14) position of quick operating valve (11).
The safety interlock of described pipe cleaning valve quick operating valve is characterized in that: fixing locating stud (4) external part all inserts arc groove (14) two ends that are positioned at quick operating valve (11) with safety pin (5) external part that can back and forth stretch.
The safety interlock of described pipe cleaning valve quick operating valve; It is characterized in that: the porose and cam path (13) of co-acting lever (9) fixed end of able to turn on or off ball valve (7); Co-acting lever (9) is connected fixing with the valve rod of ball valve (7) through the hole, safety pin (5) is connected on the cam path (13) of co-acting lever (9) with bearing pin (8).
The safety interlock of described pipe cleaning valve quick operating valve is characterized in that: replace separate piece co-acting lever (9) with the link combination of piece (17) and conventional handle of separate piece.
The safety interlock of described pipe cleaning valve quick operating valve is characterized in that: directly insert in the quick operating valve (11) with safety pin (5) and replace locating stud (4) and safety pin (5) in the blind hole (18).
The safety interlock of described pipe cleaning valve quick operating valve is characterized in that: the both sides that are positioned at the arc double wedge (15) of quick operating valve (11) with locating stud (4) and safety pin (5) replace locating stud (4) external part and safety pin (5) external part all inserts arc groove (14) two ends that are positioned at quick operating valve (11).
In addition; The safety interlock of described pipe cleaning valve quick operating valve; Be characterized in: co-acting lever (9) can be that center and valve rod together revolve and turn 90 degrees and open and close ball valve (7) with the valve rod axis, and safety pin (5) can be moved along self axis by cam path 13 effects simultaneously.
The safety interlock of described pipe cleaning valve quick operating valve is characterized in: when ball valve (7) when closing, safety pin (5) passes quick operating valve body (10) sidewall and keeps off respectively at quick operating valve (11) groove ipsilateral not with locating stud (4).
The advantage and the effect of the utility model are following: at first the main innovate point of the utility model is that the ball valve as inner chamber secondary Decompression valves in the pipe cleaning valve has been opened and closed the safety pin operations linkage of operation and the keying of restriction quick operating valve; Realized only opening at ball valve; The pipe cleaning valve inner chamber just can be opened the safety interlocking of pipe cleaning valve quick operating valve operation after the secondary release, also realized only closing the back safety interlocking that ball valve just can be closed, the pipe cleaning valve inner chamber just can boost fully at quick operating valve.Advantage is to have improved the property manipulated that exists in the former quick operating valve opening/closing system operation, and is simple in structure, safe and reliable, swift to operate.
Four, description of drawings
Fig. 1 is the structural representation of the safety interlock of the utility model pipe cleaning valve quick operating valve.Fig. 2 is the A-A sectional view of Fig. 1.Fig. 3 is first kind of distressed structure of Fig. 1, i.e. the structural representation of former co-acting lever 9 is replaced in the combination of separate piece interlock piece 17 and conventional handle.Fig. 4 is a B-B sectional view among Fig. 3.Fig. 5 is second kind of distressed structure of Fig. 1, and promptly safety pin 5 directly inserts the structural representation of replacing former locating stud 4 and safety pin 5 in the quick operating valve 11 in the blind hole 18.Fig. 6 is a C-C sectional view among Fig. 5.Fig. 7 is the third distressed structure of Fig. 1, is about to locating stud 4 and the structural representation of safety pin 5 designs in the both sides of the arc double wedge 15 of quick operating valve 11.
Above-mentioned drawing reference numeral explanation: 1-opens a direction board, 2-off-position direction board, 3-position indicator, 4-locating stud, 5-safety pin; 6-takes over, 7-ball valve, 8-bearing pin, 9-co-acting lever, 10-quick operating valve body; The 11-quick operating valve, 12-valve body, 13-cam path, the arc groove of 14-quick operating valve 11; The arc double wedge of 15-quick operating valve 11, the endoporus arc double wedge of 16-quick operating valve body 10, the 17-piece that links, the blind hole of 18-quick operating valve 11.
Five, embodiment
See Fig. 1 and Fig. 2, the safety interlock of pipe cleaning valve quick operating valve, by the rotating quick operating valve 11 of assembling on the fixing quick operating valve body 10 in valve body 12 fronts, with and the safety interlocking assembly form; Its safety interlocking assembly is made up of locating stud 4, safety pin 5, adapter 6, ball valve 7, bearing pin 8, co-acting lever 9.Ball valve 7 links to each other with valve body 12 through taking over 6; The runner of ball valve 7 communicates with the through hole of adapter 6, valve body 12 fast beginning sidewalls, and ball valve 7 is commercially available existing technology, on ball valve 7 valve rods co-acting lever 9 is housed; Can back and forth rotate on 0 °-90 ° the co-acting lever 9 arc-shaped cam groove 13 is arranged; Safety pin 5 pin handle perforates penetrate with bearing pin 8 in the cam path 13 of hole and co-acting lever 9 of safety pin 5 they are connected together, and the through hole on the quick operating valve body 10 is corresponding with arc groove 14 underparts of quick operating valve 11.Safety pin 5 front ends pass the through hole on this quick operating valve body 10, but its external part is no more than the arc groove 14 lower end part spaces of quick operating valve 11.In like manner, locating stud 4 front ends pass and are fixed on quick operating valve body 10 sidewalls, and the position, endoporus arc groove 14 upper end of quick operating valve 11 is corresponding with locating stud 4, but locating stud 4 external parts are no more than the arc groove 14 upper end portion bit spaces of quick operating valve 11.Like this; Locating stud 4 external parts and safety pin 5 external parts all are positioned at arc groove 14 two ends of quick operating valve 11; Owing to safety pin 5 external parts along with moving of co-acting lever 9 stretched; When so safety pin 5 external parts are locked secure quick operating valve 11 closed conditions when inserting, but when being quick operating valve 11 open modes during extraction.Relative co-acting lever 9 gyration center of the curve bath of cam path 13 are eccentric, and this curve bath can play and be equal to action of cam, when co-acting lever 9 rotates, drive safety pin 5 and in the hole, move back and forth, and belong to disc cam.Actual 90 degree that arrived not of the angle of the curve bath of cam path 13.
Working principle: open a direction board 1, off-position direction board 2 is fixed on the quick operating valve body 10, position indicator 3 is fixed on the quick operating valve 11.As shown in Figure 1 when quick operating valve 11 is in normal closed condition, ball valve 7 also is in closed condition, and they can keep the pressure of pigging valve body 12 middle part cavitys constant.At this moment; The length direction of co-acting lever 9 is vertical with the runner direction of ball valve 7; Safety pin 5 front ends pass the side that through hole on quick operating valve body 10 sidewalls blocks quick operating valve 11 arc grooves 14; Locating stud 4 blocks another side of this arc groove 14, and position indicator 3 is pointed to off-position direction board 2 expression quick operating valves 11 place's closed conditions.At this moment, owing to safety pin 5 and locating stud 4 keep off respectively in arc groove 14 both sides, thereby quick operating valve 11 can't clockwise or be rotated counterclockwise, quick operating valve 11 also can't break away from the emboss pit assembling with quick operating valve body 10, thereby also can't open the locking dress state that is in.
When needing quick operating valve 11 to be in normal opening state, after opening the bleeder valve that is positioned at other position of pipe cleaning valve and making valve body 12 cavity media obtain a discharging and a release, carry out the operation of quick operating valve part.At this moment, have only and move earlier co-acting lever 9 counterclockwise, behind rotation 90 degree; Co-acting lever 9 length directions are consistent with ball valve 7 runner directions; Ball valve 7 obtains opening, and confirms that ball valve 7 outlets have not had pressure medium and continued to discharge, and explains that the pipe cleaning valve chamber pressure releases to barometric pressure.The effect of this operation is to carry out the secondary release, prevents not open or stop up and make pipe cleaning valve quick-release end chamber pressure not drop to atmospheric pressure owing to the bleeder valve that unexpected factor causes, and avoids the potential safety hazard of bringing with press operation quick operating valve 11.Open simultaneously at ball valve 7; 90 degree of co-acting lever 9 rotate the displacement that cam path 13 through its fixed end produces along this pin axis direction the safety pin 5 that links; Fall back on quick operating valve 11 radially outside the overall dimensions, quick operating valve 11 can one-way rotation, and operation quick operating valve 11 one-way rotation are pointed to when opening direction board 1 until position indicator 3; Break away from quick operating valve body 10 to complete opening, device has realized that unlatching ball valve 7 carries out the interlocked operation that could open quick operating valve 11 after the secondary release.Otherwise, when operation quick operating valve 11 is closed, after quick operating valve 11 gets into quick operating valve body 10; Turning to the pin 4 that is positioned blocks a side of arc groove 14 and can't continue; This moment, position indicator 3 was pointed to off-position direction boards 1, and quick operating valve 11 is packed in the quick operating valve body 10 fully, closes ball valve 7 again; Co-acting lever 9 drives another side that safety pin 5 is in the arc groove 14 of quick operating valve 11, and quick operating valve 11 closing operations are accomplished.Ball valve 7 is closed back locating stud 4, safety pin 5 makes quick operating valve 11 can't rotate unlatching, have only when safety interlock be in quick operating valve 11 close the working state of interlocking with closing of ball valve 7 time, be only and be in a safe condition.If quick operating valve 11 gets into and does not rotate to the arc groove 14 sides pin 4 that is positioned behind the quick operating valve bodies 10 and block the position; Explain that then quick operating valve 11 do not close fully; Quick operating valve 11 double wedges and quick operating valve body 10 double wedges do not coincide to predetermined extent, have potential safety hazard, and safety pin 5 can't be inserted into the precalculated position; Ball valve 7 can't be closed, and the pipe cleaning valve inner chamber can't boost and can not cause the bad quick operating valve 11 that coincide and damage and cause the accident.
Referring to Fig. 3 is the structural representation that separate piece co-acting lever 9 among Fig. 1 is replaced in the separate piece interlock piece 17 and the combination of conventional handle, and Fig. 4 is a B-B sectional view among Fig. 3.
Referring to Fig. 5 is with the structural representation of locating stud 4 and safety pin 5 among replacement Fig. 1 in the blind hole 18 in the safety pin 5 direct insertion quick operating valves 11, can save locating stud 4 like this.Fig. 6 is a C-C sectional view among Fig. 5.
Referring to Fig. 7 is with locating stud 4 and the structural representation of safety pin 5 designs in the both sides of the arc double wedge 15 of quick operating valve 11, also plays and Fig. 1 structure identical functions.
Need to prove: 1, the above is merely the preferred implementation of the utility model; For a person skilled in the art; Invention spirit and principle according to the utility model can also be made a lot of modification and improvement; As can make independently to be contained in the interlock piece 17 of the band curve bath on ball valve 7 valve rods and the combination (seeing Fig. 3 and Fig. 4) of conventional handle into the co-acting lever 9 of curve bath; Perhaps/be designed to insert the rotation of the both direction that can limit quick operating valve in the blind hole 18 of quick operating valve 11 with safety pin 5 and can omit the structure (seeing Fig. 5 and Fig. 6) of locating stud, perhaps/and with locating stud 4 and safety pin 5 designs in the both sides of the arc double wedge 15 of quick operating valve 11 etc. but these modification all belong to the claim that the utility model is applied for improving.
2, be meant the release of pipe cleaning valve inner chamber about " secondary pressure release " after, before quick operating valve was opened, the pressure releasing second time for the pressure that makes in the pigging valve pocket is all released and carried out was called " secondary pressure release ".Twice pressure release can not be carried out at same position, causes this pressure release inefficacy when avoiding this pressure release point accident such as obstructions to occur.
Claims (8)
1. the safety interlock of pipe cleaning valve quick operating valve; Go up assembling rotating quick operating valve (11) by fixing quick operating valve body (10) of fast beginning of valve body (12); With and the safety interlocking assembly form, it is characterized in that: in the safety interlocking assembly, the ball valve (7) of controlled chamber pressure is assembled in the fast beginning side of valve body (12); Fixing co-acting lever (9) on the valve rod of ball valve (7); Fixed end cam path (13) attachment security pin (5) pin handle of co-acting lever (9), safety pin (5) front end passes the through hole on quick operating valve body (10) sidewall, and locating stud (4) is fixed on the quick operating valve body (10).
2. the safety interlock of pipe cleaning valve quick operating valve according to claim 1 is characterized in that: the ball valve of controlled chamber pressure (7) is fixed on the sidewall through hole outside of fast beginning of valve body (12); Ball valve (7) one ends communicate another termination atmosphere or blow-down pipe through taking over (6) with the fast beginning inner chamber of valve body (12).
3. the safety interlock of pipe cleaning valve quick operating valve according to claim 1 is characterized in that: safety pin (5) front end passes quick operating valve body (10), and safety pin (5) front end inserts the lower wall at arc groove (14) position of quick operating valve (11); Be fixed on the locating stud (4) on the quick operating valve body (10), its locating stud (4) front end inserts the upper side wall at arc groove (14) position of quick operating valve (11).
4. according to the safety interlock of claim 1 or 3 described pipe cleaning valve quick operating valves, it is characterized in that: fixing locating stud (4) external part all inserts arc groove (14) two ends that are positioned at quick operating valve (11) with safety pin (5) external part that can back and forth stretch.
5. the safety interlock of pipe cleaning valve quick operating valve according to claim 1; It is characterized in that: the porose and cam path (13) of co-acting lever (9) fixed end of able to turn on or off ball valve (7); Co-acting lever (9) is connected fixing with the valve rod of ball valve (7) through the hole, safety pin (5) is connected on the cam path (13) of co-acting lever (9) with bearing pin (8).
6. the safety interlock of pipe cleaning valve quick operating valve according to claim 1 is characterized in that: replace separate piece co-acting lever (9) with the link combination of piece (17) and conventional handle of separate piece.
7. the safety interlock of pipe cleaning valve quick operating valve according to claim 1 is characterized in that: directly insert in the quick operating valve (11) with safety pin (5) and replace locating stud (4) and safety pin (5) in the blind hole (18).
8. the safety interlock of pipe cleaning valve quick operating valve according to claim 1; It is characterized in that: be positioned at the both sides of the arc double wedge (15) of quick operating valve (11) with locating stud (4) and safety pin (5), replace locating stud (4) external part and safety pin (5) external part and all insert arc groove (14) two ends that are positioned at quick operating valve (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204163118U CN202402776U (en) | 2012-05-25 | 2012-05-25 | Safety interlocking device for pigging valve quick-opening gate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204163118U CN202402776U (en) | 2012-05-25 | 2012-05-25 | Safety interlocking device for pigging valve quick-opening gate |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202402776U true CN202402776U (en) | 2012-08-29 |
Family
ID=46700424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011204163118U Expired - Lifetime CN202402776U (en) | 2012-05-25 | 2012-05-25 | Safety interlocking device for pigging valve quick-opening gate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202402776U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110206910A (en) * | 2019-07-10 | 2019-09-06 | 自贡自高阀门有限公司 | A kind of horizontal axis Top Loading Type Pipe Cleaning Valve |
CN110206910B (en) * | 2019-07-10 | 2024-07-05 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
-
2012
- 2012-05-25 CN CN2011204163118U patent/CN202402776U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110206910A (en) * | 2019-07-10 | 2019-09-06 | 自贡自高阀门有限公司 | A kind of horizontal axis Top Loading Type Pipe Cleaning Valve |
CN113551056A (en) * | 2019-07-10 | 2021-10-26 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
CN110206910B (en) * | 2019-07-10 | 2024-07-05 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4552333A (en) | Bayonet catch for a line of pressurized medium | |
CN202402776U (en) | Safety interlocking device for pigging valve quick-opening gate | |
WO2009120446A3 (en) | Borehole plug | |
US9395026B2 (en) | Coupling device with residual pressure relief system | |
CN202719212U (en) | Combination check valve | |
CN108716514A (en) | The auto lock and unlocking mechanism of rotary axis class equipment | |
CN104913102B (en) | Disc valve with main valve and auxiliary valve in mechanical linkage | |
CN104976360B (en) | A kind of high-pressure balancing butterfly valve | |
JP2010540362A (en) | Docking device with two coupling closures and at least one locking unit for transferring bulk material in an environmentally sealed state | |
CN201582479U (en) | Quick-closing check valve self-provided emergency unloading mechanism | |
CN102011873A (en) | Anti-theft magnetic locking-type valve | |
CN105185622B (en) | Primary cut-out machinery closing locking device | |
CN111173987B (en) | Pre-decompression butterfly valve | |
CN202868169U (en) | Quick connector valve component with interlocking device | |
CN105020462B (en) | A kind of band limiter of moment hand valve | |
CN102466083B (en) | Lock mechanism of valve hand appliance | |
CN205190572U (en) | Oil -well rig winch drum clutch control air -vent valve | |
CN102700737B (en) | Seal valve for powder conveying | |
CN107932391B (en) | A kind of explosion-proof type spanner under Flammable atmosphere | |
KR101609995B1 (en) | Folding type block machine having a low-pressure isolation structure and method of line-stopping using the same | |
CN203017629U (en) | Low-torque linkage dual-opening fire hydrant | |
CN202181762U (en) | Blade type lock head for controlling closing and opening of lockset by ascending and descending of brake bar | |
CN206976261U (en) | The circuit breaker operation mechanism for the indication piece mechanism that can be closed a floodgate with optimization | |
CN104948826A (en) | Ball valve with locking mechanism | |
CN208010340U (en) | A kind of coal plough plane chain pretightening machine tool safety interlock system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120829 |