CN108692051A - A kind of flat gate valve - Google Patents
A kind of flat gate valve Download PDFInfo
- Publication number
- CN108692051A CN108692051A CN201810854856.3A CN201810854856A CN108692051A CN 108692051 A CN108692051 A CN 108692051A CN 201810854856 A CN201810854856 A CN 201810854856A CN 108692051 A CN108692051 A CN 108692051A
- Authority
- CN
- China
- Prior art keywords
- valve
- bevel gear
- seat
- flashboard
- valve seat
- 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
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 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
- 230000002265 prevention Effects 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)
- Sliding Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of flat 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 endoporus, valve rod penetrates the endoporus, the helicla flute of sped structure is equipped at the inner hole wall, 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 valve rod position for stretching into endoporus is equipped with bulb, the bulb stretches into the helicla flute, 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 flat 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 flat gate valve at low cost.
The present invention realizes by following technical solution:
A kind of flat gate valve, including:Valve body, left valve seat, right valve seat, flashboard, valve deck, valve rod, filler, Packing seat, holder, hand
Upper end is arranged in the middle part of valve body in wheel, valve stem nut and nut gland, valve deck, and valve deck upper end is equipped with to recessed packing groove, filler
Packing groove is fixedly installed in by Packing seat, holder is fixedly mounted on valve deck upper end, and baltimore groove, valve rod spiral shell are equipped in pedestal upper end
Female lower part is placed in the baltimore groove, and for nut gland by being threadably mounted in the baltimore groove, which limits valve stem nut
Move up and down, be equipped with trapezoidal internal thread in valve stem nut, handwheel is fixedly mounted on valve stem nut top, valve rod top be equipped with
The matched trapezoidal external screw thread of trapezoidal internal thread, valve rod lower end penetrates baltimore groove, packing groove stretches into body cavity, described 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, and left and right valve seat is respectively equipped with
Left and right sealing surface of seat, flashboard are disk construction, and the upper end of flashboard is fixedly connected with valve rod lower end, the two sides point of flashboard
The left and right gate sealing surface of sealing She You not can be formed with left and right sealing surface of seat, it is characterised in that:It is also set in body cavity
There is anti-abrasion adjusting device, which includes:Horizontal guide rod, upper bevel gear, left angular wheel, right bevel gear, epicone
Gear is arranged in the top of flashboard and left and right valve seat, and the upper bevel gear is equipped with endoporus, and valve rod penetrates the endoporus, in the endoporus
It is equipped with the helicla flute of sped structure at wall, is equipped with transverse groove on body cavity wall top, horizontal guide rod is round rod type structure, horizontal to lead
Bar one end is fixed on bevel gear top, and the horizontal guide rod other end stretches into the transverse groove, and the valve rod position for stretching into endoporus is equipped with
Bulb, the bulb stretch into the helicla flute, and the left and right bevel gear is separately positioned on the left and right side of left and right valve seat, described
Left and right bevel gear forms screw-type connection structure, shape between the left and right bevel gear and upper bevel gear with the left and right valve seat
At 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 equipped with right guiding shin,
It is respectively equipped with and the left and right matched left and right guide groove of guiding shin in body cavity.
Further, the helicla flute vertical cross-section is rectangular slot structure, and being equipped at the trough rim of the helicla flute can
Reduce the skating-aid board of frictional force between bulb and helicla flute.
Further, one layer of anti abrasive hard alloy of the bulb surface overlaying.
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.At the trough rim of helicla flute
Equipped with the skating-aid board that can reduce frictional force between bulb and helicla flute, have the advantages that prevention valve rod is stuck.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of flat gate valve of the present invention.
Specific implementation mode
As can be seen from FIG. 1, a kind of flat gate valve, including:Valve body 1, left valve seat 10, right valve seat 2, flashboard 11, valve deck 13,
Valve rod 12, filler 14, Packing seat 15, holder 16, handwheel 17, valve stem nut 18 and nut gland 19, valve deck 13 are arranged in valve body 1
Middle part upper end, 13 upper end of valve deck are equipped with to recessed packing groove, and filler 14 is fixedly installed in packing groove, holder by Packing seat 15
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 baltimore groove, spiral shell
Female gland 19 is by being threadably mounted in the baltimore groove, and the nut gland 19 limitation valve stem nut 18 moves up and down, valve stem nut
Trapezoidal internal thread is equipped in 18, handwheel 17 is fixedly mounted on 18 top of valve stem nut, and 12 top of valve rod is equipped with and trapezoidal internal thread
Matched trapezoidal external screw thread, 12 lower end of valve rod penetrates baltimore groove, packing groove stretches into 1 inner cavity of valve body, the left and right valve seat 10,2
It is mounted on 1 inner cavity of valve body with flashboard 11, left and right valve seat 10,2 is separately positioned on the left and right side of flashboard 11, left and right valve seat 10,2
It is respectively equipped with left and right sealing surface of seat, flashboard 11 is disk construction, and the upper end of flashboard 11 is fixedly connected with 12 lower end of valve rod,
The two sides of flashboard 11 are respectively equipped with the left and right gate sealing surface that sealing can be formed with left and right sealing surface of seat, in valve body 1
Chamber is additionally provided with anti-abrasion adjusting device, which includes:Horizontal guide rod 5, upper bevel gear 6, left angular wheel 8, right cone
Gear 4, upper bevel gear 6 are arranged in the top of flashboard 11 and left and right valve seat 9,3, and the upper bevel gear 6 is equipped with endoporus, valve rod 12
The endoporus is penetrated, the helicla flute of sped structure is equipped at the inner hole wall, transverse groove is equipped on 1 internal chamber wall top of valve body, it is horizontal
Guide rod 5 is round rod type structure, and 5 one end of horizontal guide rod is fixed on 6 top of bevel gear, and 5 other end of horizontal guide rod stretches into the transverse groove
Interior, 12 position of valve rod for stretching into endoporus is equipped with bulb 7, and the bulb 7 stretches into the helicla flute, 8,4 points of the left and right bevel gear
Left and right side in left and right valve seat 10,2 is not set, and the left and right bevel gear 8,4 forms screw thread with the left and right valve seat 10,2
Formula connection structure forms gear connection structure between the left and right bevel gear 8,4 and upper bevel gear 6, the left angular wheel 8
Left part is equipped with left guiding shin, and the right part of the right bevel gear 4 is equipped with right guiding shin, is respectively equipped in 1 inner cavity of valve body and is led with left and right
To the matched left and right guide groove of shin 9,3.
The valve is opened from closed state, rotates clockwise handwheel, drives valve stem nut rotation, valve rod moves up, and band
Dynamic bulb moves up, and since bulb is placed in helicla flute, during bulb moves up, upper bevel gear rotates clockwise, from
And left and right bevel gear is driven to rotate, due to, by being threadedly coupled, being driven left and right between left and right bevel gear and left and right valve seat
Valve seat is moved to the direction far from flashboard, and left and right sealing surface of seat is detached from left and right gate sealing surface respectively, therefore in unlatching
Friction is not will produce between whole process middle left and right sealing surface of seat 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 (5)
1. a kind of flat gate valve, including:Valve body, left valve seat, right valve seat, flashboard, valve deck, valve rod, filler, Packing seat, holder, hand
Upper end is arranged in the middle part of valve body in wheel, valve stem nut and nut gland, valve deck, and valve deck upper end is equipped with to recessed packing groove, filler
Packing groove is fixedly installed in by Packing seat, holder is fixedly mounted on valve deck upper end, and baltimore groove, valve rod spiral shell are equipped in pedestal upper end
Female lower part is placed in the baltimore groove, and for nut gland by being threadably mounted in the baltimore groove, which limits valve stem nut
Move up and down, be equipped with trapezoidal internal thread in valve stem nut, handwheel is fixedly mounted on valve stem nut top, valve rod top be equipped with
The matched trapezoidal external screw thread of trapezoidal internal thread, valve rod lower end penetrates baltimore groove, packing groove stretches into body cavity, described 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, and left and right valve seat is respectively equipped with
Left and right sealing surface of seat, flashboard are disk construction, and the upper end of flashboard is fixedly connected with valve rod lower end, the two sides point of flashboard
The left and right gate sealing surface of sealing She You not can be formed with left and right sealing surface of seat, it is characterised in that:It is also set in body cavity
There is anti-abrasion adjusting device, which includes:Horizontal guide rod, upper bevel gear, left angular wheel, right bevel gear, epicone
Gear is arranged in the top of flashboard and left and right valve seat, and the upper bevel gear is equipped with endoporus, and valve rod penetrates the endoporus, in the endoporus
It is equipped with the helicla flute of sped structure at wall, is equipped with transverse groove on body cavity wall top, horizontal guide rod is round rod type structure, horizontal to lead
Bar one end is fixed on bevel gear top, and the horizontal guide rod other end stretches into the transverse groove, and the valve rod position for stretching into endoporus is equipped with
Bulb, the bulb stretch into the helicla flute, and the left and right bevel gear is separately positioned on the left and right side of left and right valve seat, described
Left and right bevel gear forms screw-type connection structure, shape between the left and right bevel gear and upper bevel gear with the left and right valve seat
At 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 equipped with right guiding shin,
It is respectively equipped with and the left and right matched left and right guide groove of guiding shin in body cavity.
2. a kind of flat gate valve according to claim 1, it is characterised in that:The helicla flute vertical cross-section is square groove knot
Structure is equipped with the skating-aid board that can reduce frictional force between bulb and helicla flute at the trough rim of the helicla flute.
3. a kind of flat gate valve according to claim 1, it is characterised in that:One layer of the bulb surface overlaying is anti abrasive
Hard alloy.
4. a kind of flat gate valve according to claim 1, it is characterised in that:It is set respectively at the left and right sealing surface of seat
There is one layer of rubber layer that can enhance the seal pressure between left and right gate sealing surface.
5. a kind of flat 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 |
|---|---|---|---|
| CN201810854856.3A CN108692051B (en) | 2018-07-31 | 2018-07-31 | Flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854856.3A CN108692051B (en) | 2018-07-31 | 2018-07-31 | Flat gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692051A true CN108692051A (en) | 2018-10-23 |
| CN108692051B CN108692051B (en) | 2020-01-17 |
Family
ID=63851699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810854856.3A Active CN108692051B (en) | 2018-07-31 | 2018-07-31 | Flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692051B (en) |
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 |
| 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 |
| 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 |
| CN207246537U (en) * | 2017-10-16 | 2018-04-17 | 方圆阀门集团丽水有限公司 | Metal hard-sealing double disc flat gate valves |
| US20180119823A1 (en) * | 2016-10-28 | 2018-05-03 | Advanced Valve Technologies, Inc. | Biasing members for valve assembly |
-
2018
- 2018-07-31 CN CN201810854856.3A patent/CN108692051B/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 |
| 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 |
| 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 |
| US20180119823A1 (en) * | 2016-10-28 | 2018-05-03 | Advanced Valve Technologies, Inc. | Biasing members for valve assembly |
| CN207246537U (en) * | 2017-10-16 | 2018-04-17 | 方圆阀门集团丽水有限公司 | Metal hard-sealing double disc flat gate valves |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108692051B (en) | 2020-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191216 Address after: 325000 Wenzhou City, Zhejiang Province, Ruian city south shore street high tech Industrial Park Applicant after: KAIRUITE VALVE CO.,LTD. Address before: 325115, Zhejiang, Wenzhou province Yongjia County town of rock head carp Creek Village Applicant before: Li Qiong |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 high tech Industrial Park, Nanbin street, Rui'an City, Wenzhou City, Zhejiang Province Patentee after: Kairuite Valve Group Co.,Ltd. Address before: 325000 high tech Industrial Park, Nanbin street, Rui'an City, Wenzhou City, Zhejiang Province Patentee before: KAIRUITE VALVE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A flat gate valve Effective date of registration: 20231026 Granted publication date: 20200117 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: Kairuite Valve Group Co.,Ltd. Registration number: Y2023980062767 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |