CN106704618B - High-performance gate valve - Google Patents
High-performance gate valve Download PDFInfo
- Publication number
- CN106704618B CN106704618B CN201611218283.2A CN201611218283A CN106704618B CN 106704618 B CN106704618 B CN 106704618B CN 201611218283 A CN201611218283 A CN 201611218283A CN 106704618 B CN106704618 B CN 106704618B
- Authority
- CN
- China
- Prior art keywords
- flashboard
- wedge
- valve
- mounting piece
- mounting
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
Abstract
A high-performance gate valve adopts a double-parallel double-flashboard bidirectional forced metal sealing structure, has good sealing performance, adopts a five-piece type self-separation structure for a valve core part of the high-performance gate valve, inwards draws the flashboard to separate from a valve seat sealing surface through the inclination of a wedge-shaped block and a flashboard frame in the valve opening process, effectively avoids the friction between the flashboard and the valve seat sealing surface, prolongs the service life of the valve, has extremely low opening and closing torque and flexible opening and closing, and can adapt to the installation and use at any position.
Description
Technical Field
The invention particularly relates to the technical field of valves, and particularly relates to a high-performance gate valve.
Background
The valve is used as a pipeline opening and closing device, and the sealing performance, operability and cost performance of the valve must be improved, so that the valve can meet the requirements of new technology and new situation. Because the damage caused by valve leakage is very serious, when the valve leaks, fire, explosion and personal casualty accidents are easily caused, the service life of equipment is reduced, the production of an enterprise cannot be normally carried out, the number of unplanned production stop accidents is increased, and the economic benefit of the enterprise is seriously damaged. At present, with the increase of the application of the domestic petrochemical industry and the continuous enhancement of the technical strength of domestic valve manufacturers, the understanding of domestic petrochemical devices and technicians on high-performance valves is continuously improved, and the application range of the high-performance valves is continuously expanded. The development of a reliable and stable high-performance valve has great practical significance for environmental protection and safe and continuous operation of corollary equipment.
At present, common high-performance valves at home and abroad mainly comprise a soft sealing flat gate valve, a high-performance butterfly valve and a high-performance fixed ball valve. The service cycle of the sealing surface of the soft seal flat gate valve is short, the sealing surface is easily scoured and scratched by media and particle materials, sealing failure is caused, and the cost of the soft seal flat gate valve is generally higher. The butterfly plate is always kept in the channel when the high-performance butterfly valve is opened, so that the flow resistance coefficient is large, and the butterfly plate is washed by a medium for a long time, so that the service life is influenced. The high-performance fixed ball valve is high in processing and manufacturing difficulty, high in cost and low in applicability under high-temperature and high-pressure working conditions. Based on the situation, the high-performance gate valve is developed, so that the sealing reliability of the valve can be greatly improved, and the safe and continuous operation of matched equipment is ensured.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a high-performance gate valve.
The technical solution adopted by the invention is as follows: the utility model provides a high performance gate valve, includes valve body, valve rod and operating device, the valve body on be equipped with the valve gap, the valve body in still be equipped with the disk seat, the valve rod front end be equipped with the flashboard, the front end of valve rod still be equipped with the flashboard frame, the flashboard install on the flashboard frame and with flashboard frame clearance fit, flashboard frame and flashboard between still be equipped with the wedge, the wedge on be equipped with the scarf, flashboard frame on be equipped with the scarf boss, wedge quantity be two, be located respectively between scarf boss both sides and the flashboard, the flashboard frame through the scarf clearance fit between scarf boss and wedge drive wedge and flashboard realize that the sealed of flashboard and disk seat with break away from.
The flashboard frame include the installation department of being connected with the valve rod and be used for installing the connecting portion of flashboard, connecting portion on be equipped with the horizontally through-hole, the flashboard on be equipped with the erection column, erection column and through-hole between clearance fit.
There is a wear stroke between the outer surface of the mounting post and the inner surface of the through-hole.
The wedge include the installed part of upper end, the scarf be located the installed part, the installed part in the middle of be equipped with the mounting groove, the installed part pass through mounting groove and connecting portion clearance fit.
The bottom of wedge still be equipped with spacing portion, spacing portion and the spacing cooperation in flashboard bottom.
And a return spring is also arranged between the connecting part in clearance fit and the lower surface of the mounting groove.
The upper end of valve body for holding the chamber that holds of the flashboard of opening, the intracavity that holds be equipped with the direction muscle that supplies the vertical slip of flashboard.
The valve rod and the flashboard frame are also provided with a limiting plate therebetween, and the limiting plate is arranged on the mounting part of the flashboard frame.
The flashboard on still be equipped with pressure relief device, flashboard and wedge between form the pressure chamber, pressure relief device link up the flashboard and connect the pressure chamber and the flashboard outside.
The flashboard on be equipped with the installation cavity, pressure relief device install in the installation cavity, pressure relief device include the one-way pressure release valve clack that opens, pressure release valve clack bottom still be equipped with the spring.
The invention has the beneficial effects that: the invention provides a high-performance gate valve, which adopts a double-parallel double-flashboard bidirectional forced metal sealing structure, has good sealing performance, adopts a five-piece type self-separation structure for the valve core part of the high-performance gate valve, inwards folds and separates the valve core sealing surface from the valve seat sealing surface through the inclination of a wedge block and a flashboard frame in the valve opening process, effectively avoids the friction between the flashboard and the valve seat sealing surface, prolongs the service life of the valve, has extremely low opening and closing torque and flexible opening and closing, and can adapt to the installation and use at any position.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is an exploded view of the valve cartridge structure of the present invention.
FIG. 3 is a schematic diagram of the instant valve closing operation of the present invention.
FIG. 4 is a schematic diagram of the valve opening instant action of the present invention.
FIG. 5 is an enlarged view of the pressure relief device of the present invention.
In the figure, 1-valve body, 2-valve rod, 3-operating mechanism, 4-flashboard, 5-flashboard frame, 6-wedge block, 7-abrasion stroke, 8-limit plate, 9-pressure relief device, 11-valve cover, 12-valve seat, 13-guide rib, 51-wedge boss, 52-mounting part, 53-connecting part, 54-through hole, 61-wedge surface, 62-mounting groove, 63-limit part, 64-reset spring, 91-pressure cavity and 92-pressure relief valve clack.
Detailed Description
The invention is further described with reference to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, and a high-performance gate valve comprises a valve body 1, a valve rod 2 and an operating mechanism 3, wherein a valve cover 11 is arranged on the valve body 1, a valve seat 12 is further arranged in the valve body 1, a gate plate 4 is arranged at the front end of the valve rod 2, a gate plate frame 5 is further arranged at the front end of the valve rod 2, the gate plate 4 is arranged on the gate plate frame 5 and movably matched with the gate plate frame 5, a wedge block 6 is further arranged between the gate plate frame 5 and the gate plate 4, a wedge surface 61 is arranged on the wedge block 6, a wedge surface boss 51 is arranged on the gate plate frame 5, the two wedge blocks 6 are respectively arranged between two sides of the wedge surface boss 51 and the gate plate 4, and the gate plate frame 5 drives the wedge block 6 and the wedge block 4 to be in extrusion fit through the movable fit between the wedge surface boss 51 and the wedge 61 on the wedge block 6 to realize the sealing and the separation of the gate plate 4 from the valve seat 12.
Wedge 6 include the installed part of upper end, wedge 61 be located the installed part, the installed part in the middle of be equipped with mounting groove 62, the installed part pass through mounting groove 62 and connecting portion 53 clearance fit. The bottom of wedge 6 still be equipped with spacing portion 63, spacing portion 63 and flashboard 4 bottom spacing cooperation.
The upper end of valve body 1 hold the chamber for holding flashboard 4 that opens, hold the intracavity be equipped with the direction muscle 13 that supplies flashboard 4 vertical slip.
And a pressure relief device 9 is further arranged on the flashboard 4, a pressure cavity 91 is formed between the flashboard 4 and the wedge-shaped block 6, and the pressure relief device 9 penetrates through the flashboard 4 to connect the pressure cavity 91 with the outer side of the flashboard 4. Flashboard 4 on be equipped with the installation cavity, pressure relief device 9 install in the installation cavity, pressure relief device 9 include one-way open pressure release valve clack 92, pressure release valve clack 92 bottom still be equipped with the spring.
The high-performance gate valve adopts a double-parallel double-flashboard bidirectional forced metal sealing structure, the sealing performance is good, the valve core part adopts a five-piece type self-separation structure, the flashboard is inwards folded and separated from the sealing surface of the valve seat through the inclination of the wedge-shaped block and the flashboard frame in the valve opening process, the friction between the flashboard and the sealing surface of the valve seat is effectively avoided, the service life of the valve is prolonged, the opening and closing torque of the structure is extremely low, and the valve is flexible to open and close. The valve core guiding and limiting structure can be suitable for being installed and used at any position, such as a horizontal pipeline and a vertical pipeline.
Principle of operation of the invention
The actuating mechanism drives the valve rod and the flashboard frame to move downwards, and two forces in the horizontal direction are generated through the flashboard frame and the wedge-shaped block inclined plane to press the flashboard to the valve seat, so that bidirectional forced sealing of the inlet and the outlet is realized. The abrasion stroke between the flashboard frame and the flashboard can ensure that the valve keeps stable sealing performance in long-term use.
When the valve is opened, the actuating mechanism moves to drive the valve rod and the flashboard frame to move upwards, the wedge-shaped block is separated from the flashboard frame under the action of the auxiliary spring, and the flashboard is inwards folded through the inclination of the wedge-shaped block and the flashboard frame to be separated from the sealing surface of the valve seat. The structure has no hard friction between the sealing surface and the valve seat in the process of opening and closing the valve, and the opening and closing torque is light.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a high performance gate valve, includes valve body (1), valve rod (2) and operating device (3), valve body (1) on be equipped with valve gap (11), valve body (1) in still be equipped with disk seat (12), valve rod (2) front end be equipped with flashboard (4), a serial communication port, the front end of valve rod (2) still be equipped with flashboard frame (5), flashboard (4) install on flashboard frame (5) and with flashboard frame (5) clearance fit, flashboard frame (5) and flashboard (4) between still be equipped with wedge (6), wedge (6) on be equipped with wedge boss (61), wedge (6) quantity be two, be located between wedge boss (51) both sides and flashboard (4) respectively, flashboard frame (5) drive wedge (61) clearance fit on wedge boss (51) and wedge (6) and realize between wedge boss (4) clearance fit and flashboard (12) the extrusion fit of flashboard mounting piece (62) and flashboard mounting piece (62) are equipped with wedge mounting piece (12) through wedge mounting piece (61) between wedge mounting piece (6) the clearance fit mounting piece (62) and flashboard mounting piece (4) between the sealing mounting piece (62), wedge mounting piece (62) are equipped with wedge mounting piece (53) between wedge mounting piece (6) between wedge mounting groove (6) and flashboard mounting piece (6) the sealing mounting piece (62) are equipped with wedge mounting piece (62) on the wedge mounting piece (61) the wedge mounting groove (4) between wedge mounting piece (62) and flashboard mounting piece (6) are equipped with wedge mounting piece (62) between wedge mounting piece (6) between The utility model discloses a pressure relief valve, clearance fit's connecting portion (53) and the lower surface of mounting groove (62) between still be equipped with reset spring (64), flashboard (4) on still be equipped with pressure relief device (9), flashboard (4) and wedge piece (6) between form pressure chamber (91), pressure relief device (9) link up flashboard (4) and connect pressure chamber (91) and flashboard (4) outside, flashboard (4) on be equipped with the installation cavity, pressure relief device (9) install in the installation cavity, pressure relief device (9) including one-way pressure release valve clack (92) of opening, pressure release valve clack (92) bottom still be equipped with the spring.
2. A high performance gate valve according to claim 1, wherein the gate plate frame (5) comprises a mounting portion (52) connected to the valve stem (2) and a connecting portion (53) for mounting the gate plate (4), the connecting portion (53) is provided with a horizontal through hole (54), the gate plate (4) is provided with a mounting post (41), and the mounting post (41) and the through hole (54) are in clearance fit.
3. A high performance gate valve according to claim 2, characterized in that there is a wear stroke (7) between the outer surface of the mounting post (41) and the inner surface of the through bore (54).
4. The high-performance gate valve according to claim 1, wherein a limiting part (63) is further arranged at the bottom of the wedge-shaped block (6), and the limiting part (63) is in limiting fit with the bottom of the gate plate (4).
5. A high-performance gate valve according to claim 1, characterized in that the upper end of the valve body (1) is a cavity for accommodating the opened gate plate (4), and a guide rib (13) for the vertical sliding of the gate plate (4) is arranged in the cavity.
6. A high performance gate valve according to claim 2, wherein a limit plate (8) is further provided between the valve stem (2) and the gate plate frame (5), and the limit plate (8) is mounted on the mounting portion (52) of the gate plate frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218283.2A CN106704618B (en) | 2016-12-26 | 2016-12-26 | High-performance gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218283.2A CN106704618B (en) | 2016-12-26 | 2016-12-26 | High-performance gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704618A CN106704618A (en) | 2017-05-24 |
| CN106704618B true CN106704618B (en) | 2023-02-14 |
Family
ID=58902694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611218283.2A Active CN106704618B (en) | 2016-12-26 | 2016-12-26 | High-performance gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704618B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013696B (en) * | 2017-06-16 | 2023-04-18 | 安徽闽之宇阀业科技有限公司 | Wearless expanding spherical gate valve |
| CN108591503A (en) * | 2018-05-22 | 2018-09-28 | 南通市力沛流体阀业有限公司 | A kind of Novel Brake Valve |
| CN108506509A (en) * | 2018-06-27 | 2018-09-07 | 上海阀门厂股份有限公司 | A kind of gate valve sealing structure |
| CN108679250A (en) * | 2018-08-13 | 2018-10-19 | 四川苏克流体控制设备有限公司 | Five chip forced seal double-flashboard gate valves |
| CN112081937B (en) * | 2020-09-09 | 2022-01-18 | 剑桥阀业集团有限公司 | Gate valve |
| CN113357388B (en) * | 2021-06-24 | 2022-06-21 | 浙江冠正阀门股份有限公司 | Parallel double-supporting-plate gate valve |
| CN113669473B (en) * | 2021-08-04 | 2024-04-23 | 凯瑞特阀业集团有限公司 | High-temperature high-pressure self-sealing parallel double-flashboard gate valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2240653Y (en) * | 1995-11-01 | 1996-11-20 | 浙江保一阀门厂 | Plain plate gate valve |
| CN103836221A (en) * | 2014-02-20 | 2014-06-04 | 张周卫 | LNG brake valve |
| CN203717994U (en) * | 2013-12-26 | 2014-07-16 | 沈阳科派卡装备有限公司 | Parallel type double flashboard supporting-opening type gate valve core |
| CN203743473U (en) * | 2014-03-24 | 2014-07-30 | 挺宇集团有限公司 | Spring reset dual-acting-force parallel gate valve |
| CN203797007U (en) * | 2014-04-08 | 2014-08-27 | 凯喜姆阀门有限公司 | Gate valve with double parallel gate plates |
| CN206290739U (en) * | 2016-12-26 | 2017-06-30 | 凯喜姆阀门有限公司 | A kind of high-performance gate valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2503743A1 (en) * | 2004-04-02 | 2005-10-02 | Stanley James Bridgeford | Three-wedge double block isolation chamber |
-
2016
- 2016-12-26 CN CN201611218283.2A patent/CN106704618B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2240653Y (en) * | 1995-11-01 | 1996-11-20 | 浙江保一阀门厂 | Plain plate gate valve |
| CN203717994U (en) * | 2013-12-26 | 2014-07-16 | 沈阳科派卡装备有限公司 | Parallel type double flashboard supporting-opening type gate valve core |
| CN103836221A (en) * | 2014-02-20 | 2014-06-04 | 张周卫 | LNG brake valve |
| CN203743473U (en) * | 2014-03-24 | 2014-07-30 | 挺宇集团有限公司 | Spring reset dual-acting-force parallel gate valve |
| CN203797007U (en) * | 2014-04-08 | 2014-08-27 | 凯喜姆阀门有限公司 | Gate valve with double parallel gate plates |
| CN206290739U (en) * | 2016-12-26 | 2017-06-30 | 凯喜姆阀门有限公司 | A kind of high-performance gate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704618A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106704618B (en) | High-performance gate valve | |
| CN201747324U (en) | Hydraulic actuator for valve | |
| CN111395989A (en) | Core-pulling-free large-channel high-temperature high-pressure fracturing expansion type rubber cylinder packing tool | |
| CN104421466B (en) | A kind of constant pressure turn on device | |
| CN206290739U (en) | A kind of high-performance gate valve | |
| CN208950565U (en) | A kind of big channel steam injection ball-and-seat of erosion resistance | |
| CN208442345U (en) | A kind of good oil return valve of closure | |
| CN109027274B (en) | Bimetal seal elastic anti-scouring structure and stop valve thereof | |
| CN101915319B (en) | Parallel double-supporting plate gate valve | |
| CN202001031U (en) | Plug-in mounting type small-flow hard sealing reversing valve | |
| CN213745087U (en) | Constant pressure valve | |
| CN212839680U (en) | Self-compensating normally open electromagnetic valve | |
| CN211667206U (en) | Check valve with elastic jacking device | |
| CN210106689U (en) | Lift check valve device | |
| CN220727233U (en) | Novel structure pipeline gas self-closing valve | |
| CN201763984U (en) | Parallel double supporting plate gate valve | |
| CN214305361U (en) | Valve seat positioning device for flat gate valve | |
| CN219549647U (en) | Gate valve | |
| CN219692342U (en) | Lifting check valve | |
| CN217381695U (en) | Pneumatic valve for strengthening rebound sealing effect of pneumatic valve | |
| CN211145472U (en) | Soft sealing lifting check valve | |
| CN201363441Y (en) | Novel double-gate valve | |
| CN217177535U (en) | Hydraulic check valve | |
| CN204345003U (en) | A kind of single flap valve | |
| CN220792114U (en) | Pressure relief pilot type gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |