CN108692050A - A kind of dark rod flat plate gate valve - Google Patents
A kind of dark rod flat plate gate valve Download PDFInfo
- Publication number
- CN108692050A CN108692050A CN201810854852.5A CN201810854852A CN108692050A CN 108692050 A CN108692050 A CN 108692050A CN 201810854852 A CN201810854852 A CN 201810854852A CN 108692050 A CN108692050 A CN 108692050A
- Authority
- CN
- China
- Prior art keywords
- valve
- bevel gear
- rod
- seat
- flashboard
- 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.)
- Granted
Links
- 238000005299 abrasion Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 30
- 238000012856 packing Methods 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F16K3/0254—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 being operated by particular means
-
- 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
- F16K3/20—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 seats
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of dark rod flat plate gate valves, it is characterised in that:It is additionally provided with anti-abrasion adjusting device in body cavity, which includes:Horizontal guide rod, upper bevel gear, left angular wheel, right bevel gear, upper bevel gear is arranged in flashboard and a left side, the top of right valve seat, the upper bevel gear is equipped with inner via hole, valve rod penetrates the inner via hole, it is equipped with fixture block in valve rod and inner via hole wall portion contact position, it is equipped with transverse groove on body cavity wall top, horizontal guide rod is round rod type structure, horizontal guide rod is fixed on bevel gear top, the horizontal guide rod other end stretches into the transverse groove, the left side, right bevel gear is separately positioned on a left side, a left side for right valve seat, right side, the left side, right bevel gear and the left side, right valve seat forms screw-type connection structure, the left side, gear connection structure is formed between right bevel gear and upper bevel gear, it is long with service life, laborsaving advantage when open and close.
Description
Technical field
The present invention relates to a kind of gate valves, more particularly, to a kind of dark rod flat plate gate valve.
Background technology
Flat gate valve is the slide-valve that a kind of closure member is parallel gate plate.Its closure member is usually by flashboard and valve seat group
At.Flashboard to the pressing force of valve seat is controlled by acting on the pressure medium of flashboard, and medium pushes flashboard to compress valve seat, to
Sealing is formed, its shortcoming is that:During valve opening is with closing, flashboard and valve seat will produce friction between this, be easy to lead
Gate sealing surface is caused to generate friction damage with sealing surface of seat, service life is short;Simultaneously during valve opening is with closing,
Frictional resistance is generated between flashboard and valve seat, required external driver device is caused to increase, and cost increases.
Invention content
For technological deficiency existing in the prior art, a kind of gate sealing surface of present invention offer will not with sealing surface of seat
Generate friction, service life length, a kind of dark rod flat plate gate valve at low cost.
The present invention realizes by following technical solution:
A kind of dark rod flat plate gate valve, including:Valve body, left valve seat, right valve seat, flashboard, valve deck, valve rod, filler, Packing seat, branch
Upper end is arranged in the middle part of valve body in frame, handwheel, valve stem nut and nut gland, valve deck, and valve deck upper end is equipped with to recessed packing groove,
Filler is fixedly installed in packing groove by Packing seat, and holder is fixedly mounted on valve deck upper end, and baltimore groove, valve are equipped in pedestal upper end
Stem nut lower part is placed in the baltimore groove, and for nut gland by being threadably mounted in the baltimore groove, which limits valve rod
Nut moves up and down, and handwheel is fixedly mounted on valve stem nut top, and valve rod top penetrates valve stem nut and stretches to top, valve rod with
Valve stem nut forms keyed connection, and valve rod lower end is equipped with external screw thread, and valve rod lower end penetrates baltimore groove, packing groove stretches into valve body
Chamber, the left and right valve seat and flashboard are mounted on body cavity, and left and right valve seat is separately positioned on the left and right side of flashboard, left and right valve
Seat is respectively equipped with left and right sealing surface of seat, and flashboard is disk construction, and flashboard is equipped with vertical endoporus, on the vertical endoporus top
Being respectively equipped with equipped with the two sides with the matched internal thread of valve rod lower end external screw thread, flashboard can be with left and right sealing surface of seat shape
At the left and right gate sealing surface of sealing, it is characterised in that:It is additionally provided with anti-abrasion adjusting device in body cavity, the anti-wear tune
Regulating device includes:Horizontal guide rod, upper bevel gear, left angular wheel, right bevel gear, upper bevel gear is arranged in flashboard and left and right valve seat
Top, the upper bevel gear are equipped with inner via hole, and valve rod penetrates the inner via hole, and card is equipped in valve rod and inner via hole wall portion contact position
Block is equipped with transverse groove on body cavity wall top, and horizontal guide rod is round rod type structure, and horizontal guide rod is fixed on bevel gear
Portion, the horizontal guide rod other end stretch into the transverse groove, and the left and right bevel gear is separately positioned on the left and right side of left and right valve seat,
The left and right bevel gear and the left and right valve seat form screw-type connection structure, the left and right bevel gear and upper bevel gear it
Between form gear connection structure, the left part of the left angular wheel is equipped with left guiding shin, and the right part of the right bevel gear is led equipped with the right side
To shin, it is respectively equipped in body cavity and is equipped with the left and right matched left and right guide groove of guiding shin, the body cavity middle part
Vertical guide groove, the flashboard middle part is equipped with forms the vertical guide rod being oriented to above and below with the vertical guide groove.
Further, be respectively equipped at the left and right sealing surface of seat one layer can enhance with left and right gate sealing surface it
Between seal pressure rubber layer.
Further, the handwheel is external driver device.
The advantage of the invention is that:During valve opening is with closing, left and right gate sealing surface and left and right valve seat
Sealing surface not will produce friction between this, have the advantages that service life is long, laborsaving when opening and closing.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of dark rod flat plate gate valve of the present invention.
Specific implementation mode
As can be seen from FIG. 1, a kind of dark rod flat plate gate valve, including:Valve body 1, left valve seat 10, right valve seat 2, flashboard 11, valve
Lid 13, valve rod 12, filler 14, Packing seat 15, holder 16, handwheel 17, valve stem nut 18 and nut gland 19, the setting of valve deck 13 exist
1 middle part upper end of valve body, 13 upper end of valve deck are equipped with to recessed packing groove, and filler 14 is fixedly installed in packing groove by Packing seat 15
Place, holder 16 are fixedly mounted on 13 upper end of valve deck, are equipped with baltimore groove in 16 upper end of holder, 18 lower part of valve stem nut is placed in the spill
In slot, by being threadably mounted in the baltimore groove, the nut gland 19 limitation valve stem nut 18 moves up and down nut gland 19,
Handwheel 17 is fixedly mounted on 18 top of valve stem nut, and 12 top of valve rod penetrates valve stem nut 18 and stretches to top, valve rod 12 and valve rod
Nut 18 forms keyed connection, and 12 lower end of valve rod is equipped with external screw thread, and 12 lower end of valve rod penetrates baltimore groove, packing groove stretches into valve body 1
Inner cavity, the left and right valve seat 10,2 and flashboard 11 are mounted on 1 inner cavity of valve body, and left and right valve seat 10,2 is separately positioned on flashboard 11
Left and right side, left and right valve seat 10,2 are respectively equipped with left and right sealing surface of seat, and flashboard 11 is disk construction, and flashboard 11 is equipped with perpendicular
Inward hole is equipped with and the 12 matched internal thread of lower end external screw thread of valve rod, the two sides point of flashboard 11 on the vertical endoporus top
The left and right gate sealing surface that sealing She You not can be formed with left and right sealing surface of seat, anti-wear tune is additionally provided in 1 inner cavity of valve body
Regulating device, the anti-abrasion adjusting device include:Horizontal guide rod 5, upper bevel gear 6, left angular wheel 8, right bevel gear 4, upper bevel gear 6 set
It sets in the top of flashboard 11 and left and right valve seat 9,3, the upper bevel gear 6 is equipped with inner via hole, and valve rod 12 penetrates the inner via hole,
Valve rod is equipped with fixture block 7 with inner via hole wall portion contact position, is equipped with transverse groove on 1 internal chamber wall top of valve body, horizontal guide rod 5 is round rod type
Structure, 5 one end of horizontal guide rod are fixed on 6 top of bevel gear, and 5 other end of horizontal guide rod stretches into the transverse groove, the left and right cone
Gear 8,4 is separately positioned on the left and right side of left and right valve seat 10,2, the left and right bevel gear 8,4 and the left and right valve seat 10,2
Screw-type connection structure is formed, forms gear connection structure, the left cone between the left and right bevel gear 8,4 and upper bevel gear 6
The left part of gear 8 is equipped with left guiding shin, and the right part of the right bevel gear 4 is equipped with right guiding shin, 1 inner cavity of valve body be respectively equipped with
The left and right matched left and right guide groove 9,3 of guiding shin, 1 inner cavity of valve body middle part are equipped with vertical guide groove, the flashboard 11
Middle part is equipped with forms the vertical guide rod being oriented to above and below with the vertical guide groove.
The valve is opened from closed state, rotates clockwise handwheel, drives valve stem nut and valve rod rotation, valve rod lower end
It under the cooperation of internal and external screw thread, moves up, while valve rod drives upper bevel gear to rotate clockwise, to drive left and right bevel gear
Rotation, due to, by being threadedly coupled, driving left and right valve seat to the side far from flashboard between left and right bevel gear and left and right valve seat
To movement, left and right sealing surface of seat is detached from left and right gate sealing surface, therefore left and right valve seat during the entire process of unlatching respectively
Friction is not will produce between sealing surface and left and right ram seal.
Similarly, when which closes from open state, rotation hand wheel counterclockwise is left and right during entire close
Friction is not will produce between sealing surface of seat and left and right gate sealing surface, when finally completely closing, left and right sealing surface of seat point
Left and right gate sealing surface is not compressed.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (3)
1. a kind of dark rod flat plate gate valve, including:Valve body, left valve seat, right valve seat, flashboard, valve deck, valve rod, filler, Packing seat, branch
Upper end is arranged in the middle part of valve body in frame, handwheel, valve stem nut and nut gland, valve deck, and valve deck upper end is equipped with to recessed packing groove,
Filler is fixedly installed in packing groove by Packing seat, and holder is fixedly mounted on valve deck upper end, and baltimore groove, valve are equipped in pedestal upper end
Stem nut lower part is placed in the baltimore groove, and for nut gland by being threadably mounted in the baltimore groove, which limits valve rod
Nut moves up and down, and handwheel is fixedly mounted on valve stem nut top, and valve rod top penetrates valve stem nut and stretches to top, valve rod with
Valve stem nut forms keyed connection, and valve rod lower end is equipped with external screw thread, and valve rod lower end penetrates baltimore groove, packing groove stretches into valve body
Chamber, the left and right valve seat and flashboard are mounted on body cavity, and left and right valve seat is separately positioned on the left and right side of flashboard, left and right valve
Seat is respectively equipped with left and right sealing surface of seat, and flashboard is disk construction, and flashboard is equipped with vertical endoporus, on the vertical endoporus top
Being respectively equipped with equipped with the two sides with the matched internal thread of valve rod lower end external screw thread, flashboard can be with left and right sealing surface of seat shape
At the left and right gate sealing surface of sealing, it is characterised in that:It is additionally provided with anti-abrasion adjusting device in body cavity, the anti-wear tune
Regulating device includes:Horizontal guide rod, upper bevel gear, left angular wheel, right bevel gear, upper bevel gear is arranged in flashboard and left and right valve seat
Top, the upper bevel gear are equipped with inner via hole, and valve rod penetrates the inner via hole, and card is equipped in valve rod and inner via hole wall portion contact position
Block is equipped with transverse groove on body cavity wall top, and horizontal guide rod is round rod type structure, and horizontal guide rod is fixed on bevel gear
Portion, the horizontal guide rod other end stretch into the transverse groove, and the left and right bevel gear is separately positioned on the left and right side of left and right valve seat,
The left and right bevel gear and the left and right valve seat form screw-type connection structure, the left and right bevel gear and upper bevel gear it
Between form gear connection structure, the left part of the left angular wheel is equipped with left guiding shin, and the right part of the right bevel gear is led equipped with the right side
To shin, it is respectively equipped in body cavity and is equipped with the left and right matched left and right guide groove of guiding shin, the body cavity middle part
Vertical guide groove, the flashboard middle part is equipped with forms the vertical guide rod being oriented to above and below with the vertical guide groove.
2. a kind of dark rod flat plate gate valve according to claim 1, it is characterised in that:The left and right sealing surface of seat punishment
It She You not one layer of rubber layer that can enhance the seal pressure between left and right gate sealing surface.
3. a kind of dark rod flat plate gate valve according to claim 1, it is characterised in that:The handwheel is external driver device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854852.5A CN108692050B (en) | 2018-07-31 | 2018-07-31 | A kind of dark rod flat plate gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854852.5A CN108692050B (en) | 2018-07-31 | 2018-07-31 | A kind of dark rod flat plate gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692050A true CN108692050A (en) | 2018-10-23 |
| CN108692050B CN108692050B (en) | 2019-10-08 |
Family
ID=63850862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810854852.5A Active CN108692050B (en) | 2018-07-31 | 2018-07-31 | A kind of dark rod flat plate gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692050B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397749A (en) * | 2019-08-02 | 2019-11-01 | 黄洪刚 | A kind of gate valve |
| CN110886868A (en) * | 2019-12-05 | 2020-03-17 | 良正阀门有限公司 | Low-torque self-checking ball-leakage valve |
| CN111022691A (en) * | 2019-12-05 | 2020-04-17 | 良正阀门有限公司 | Fixed ball valve and monitoring system, opening and closing method thereof and monitoring method of monitoring system |
| US11079024B1 (en) * | 2020-04-29 | 2021-08-03 | Patriot Research Center, LLC | Valve cavity isolation seat |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86208714U (en) * | 1986-10-30 | 1988-02-10 | 吕世典 | Cut-off valve with movable valve seat |
| WO2000052366A1 (en) * | 1999-03-03 | 2000-09-08 | Power & Industrial Services Corporation | Variable orifice dual gate valve |
| CN202561090U (en) * | 2012-05-22 | 2012-11-28 | 百强阀门集团有限公司 | High-temperature anti-abrasion shearing flat gate valve |
| CN205715718U (en) * | 2016-04-22 | 2016-11-23 | 凯瑞特阀业有限公司 | Rack-and-pinion flat gate valve |
| CN205715739U (en) * | 2016-04-29 | 2016-11-23 | 天津市中核科技实业有限公司 | A kind of floating valve seat Wedge Gate Valves |
| CN206017825U (en) * | 2016-08-26 | 2017-03-15 | 江苏苏盐阀门机械有限公司 | A kind of antifriction butt welding Wedge Gate Valves |
-
2018
- 2018-07-31 CN CN201810854852.5A patent/CN108692050B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86208714U (en) * | 1986-10-30 | 1988-02-10 | 吕世典 | Cut-off valve with movable valve seat |
| WO2000052366A1 (en) * | 1999-03-03 | 2000-09-08 | Power & Industrial Services Corporation | Variable orifice dual gate valve |
| CN202561090U (en) * | 2012-05-22 | 2012-11-28 | 百强阀门集团有限公司 | High-temperature anti-abrasion shearing flat gate valve |
| CN205715718U (en) * | 2016-04-22 | 2016-11-23 | 凯瑞特阀业有限公司 | Rack-and-pinion flat gate valve |
| CN205715739U (en) * | 2016-04-29 | 2016-11-23 | 天津市中核科技实业有限公司 | A kind of floating valve seat Wedge Gate Valves |
| CN206017825U (en) * | 2016-08-26 | 2017-03-15 | 江苏苏盐阀门机械有限公司 | A kind of antifriction butt welding Wedge Gate Valves |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397749A (en) * | 2019-08-02 | 2019-11-01 | 黄洪刚 | A kind of gate valve |
| CN110397749B (en) * | 2019-08-02 | 2020-09-01 | 立信阀门集团有限公司 | Gate valve |
| CN110886868A (en) * | 2019-12-05 | 2020-03-17 | 良正阀门有限公司 | Low-torque self-checking ball-leakage valve |
| CN111022691A (en) * | 2019-12-05 | 2020-04-17 | 良正阀门有限公司 | Fixed ball valve and monitoring system, opening and closing method thereof and monitoring method of monitoring system |
| US11079024B1 (en) * | 2020-04-29 | 2021-08-03 | Patriot Research Center, LLC | Valve cavity isolation seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108692050B (en) | 2019-10-08 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190906 Address after: 257000 Xingjiao Road, West Suburb modern service area, Dongying, Shandong Province, No. 13 Applicant after: Dongying King oil machinery manufacturing Co., Ltd. Address before: 325115, Zhejiang, Wenzhou province Yongjia County town of rock head carp Creek Village Applicant before: Li Qiong |
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