CN111022678B - Gate valve structure - Google Patents
Gate valve structure Download PDFInfo
- Publication number
- CN111022678B CN111022678B CN201911391092.XA CN201911391092A CN111022678B CN 111022678 B CN111022678 B CN 111022678B CN 201911391092 A CN201911391092 A CN 201911391092A CN 111022678 B CN111022678 B CN 111022678B
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- copper ring
- valve seat
- sealing
- 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.)
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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- 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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating 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
- F16K3/02—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
- F16K3/0227—Packings
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to a gate valve structure, wherein a first copper ring (3) and a second copper ring (4) are respectively matched with screw threads of a valve seat sealing surface at an inlet of a valve body (1) and a screw thread interface on a valve seat sealing surface at an outlet of the valve body (1), a sealing ring (5) is propped against the end part of the screw thread interface, and the valve core (2) comprises a left valve plate (11), a left valve seat (12), a right valve plate (13) and a right valve seat (14), and the gate valve has the advantages that: 1. the copper ring can be quickly dismantled by arranging the screw connection type copper ring, and the dismounting device is simple and quick and high in efficiency. 2. The traditional valve core structure is changed, so that the valve core has certain buffering capacity and a better sealing effect.
Description
Technical Field
The invention relates to the field of gate valves, in particular to a gate valve structure.
Background
At present, the arrangement of the copper ring in the valve body structure of the existing gate valve generally adopts a rolling method or internal buckling type matched glue adhesion, and the copper ring can not be quickly removed in a damaged state of the copper ring, so that the gate valve can be replaced integrally, and the time and labor are wasted. 2. The existing valve core is generally directly closed without any buffer process, and the copper ring is easy to damage after long-term use.
Disclosure of Invention
The present invention aims to overcome the above-mentioned drawbacks and provide a gate valve structure.
The invention comprises a power executing component, a valve body and a valve core, wherein the valve core is positioned in the valve body, the power executing component is in transmission connection with the valve core in the valve body, a valve seat sealing surface at the inlet of the valve body and a valve seat sealing surface at the outlet of the valve body are respectively provided with a threaded interface,
The end surfaces of one end of the first copper ring and one end of the second copper ring are provided with sealing ring placing grooves,
A pair of sealing rings are respectively arranged in the sealing ring arranging grooves of the first copper ring and the second copper ring,
The first copper ring and the second copper ring are respectively matched with the screw thread interface screw threads on the valve seat sealing surface at the inlet of the valve body and the valve seat sealing surface at the outlet of the valve body, and the sealing ring is propped against the end part of the screw thread interface to play a role in sealing,
The valve core comprises a left valve plate, a left valve seat, a right valve plate and a right valve seat,
The left valve plate and the right valve plate are both provided with matched inclined planes,
The inclined plane of the left valve plate is provided with a strip-shaped groove penetrating through the inclined plane,
A bulge is arranged on the inclined plane of the right valve plate, a through hole penetrating through the bulge is arranged on the bulge, the bulge is matched with the strip-shaped groove,
The bulge is positioned in the strip-shaped groove and moves in the strip-shaped groove,
A left inserted link and a right inserted link are respectively arranged on the left valve plate and the right valve plate,
The left inserted rod of the left valve plate is inserted into the through hole at one end of the bulge through the strip-shaped groove,
The right inserted link of the right valve plate is inserted into the through hole at the other end of the bulge.
The sealing ring is a sealing copper ring.
A limiting block is arranged in the valve body.
The inner surface of the copper ring is provided with a group of balance weights which are uniformly distributed.
The contact surfaces of the left valve plate and the right valve plate and the copper ring are made of copper.
The length of the inserted link of the left valve plate is greater than or equal to that of the inserted link of the right valve plate.
The right valve seat is provided with a shaft sleeve connected with the power output shaft.
The left valve seat end is provided with at least one contact protrusion.
The invention has the advantages that: 1. the copper ring can be quickly dismantled by arranging the screw connection type copper ring, and the dismounting device is simple and quick and high in efficiency. 2. The traditional valve core structure is changed, so that the valve core has certain buffering capacity and a better sealing effect.
Description of the drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the spool installation position.
Fig. 3 is a schematic view of the copper ring installation site.
Fig. 4 is a schematic view of the seal copper ring installation position.
Fig. 5 is a schematic diagram of a copper ring side view structure.
Fig. 6 is a schematic diagram of the valve core structure.
Fig. 7 is a schematic view of the valve element in an exploded state.
Fig. 8 is a schematic cross-sectional view of the valve cartridge.
Fig. 9 is a schematic view of the initial state structure of the valve element.
Fig. 10 is a schematic structural view of the valve core in an operating state.
Fig. 11 is a schematic view of the valve core in the operation limit state.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like in the description of the present invention, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-8, the invention comprises a power executing component, a valve body 1 and a valve core 2, wherein the valve core 2 is positioned in the valve body 1, the power executing component is in transmission connection with the valve core in the valve body 1, a valve seat sealing surface at the inlet of the valve body 1 and a valve seat sealing surface at the outlet of the valve body 1 are respectively provided with a threaded interface,
The end surfaces of one end of the first copper ring 3 and one end of the second copper ring 4 are provided with sealing ring placing grooves,
A pair of seal rings 5 are placed in seal ring placement grooves of the first copper ring 3 and the second copper ring 4 respectively,
The first copper ring 3 and the second copper ring 4 are respectively matched with the thread interface threads on the valve seat sealing surface at the inlet of the valve body 1 and the valve seat sealing surface at the outlet of the valve body 1, and the sealing ring 5 is propped against the end part of the thread interface to play a sealing role, and the copper rings can be quickly dismantled by arranging the screw connection type copper rings, so that the valve is simple and convenient.
The valve core 2 comprises a left valve plate 11, a left valve seat 12, a right valve plate 13 and a right valve seat 14,
The left valve plate 11 and the right valve plate 13 are provided with matched inclined planes,
The inclined surface of the left valve plate 11 is provided with a bar-shaped groove 111 penetrating the inclined surface,
A bulge 131 is arranged on the inclined plane of the right valve plate 13, a through hole 132 penetrating through the bulge 131 is arranged on the bulge 131, the bulge 131 is matched with the shape of the strip-shaped groove 111,
The protrusions 131 are located in the bar-shaped grooves 111, and move in the bar-shaped grooves 111,
Left and right valve plates 11 and 13 are provided with left and right insert rods 112 and 133,
The left insert rod 112 of the left valve plate 11 is inserted into the through hole 132 of one end of the boss 131 through the bar-shaped groove 111,
The right insert rod 133 of the right valve plate 13 is inserted into the other end through hole 132 of the boss 131.
The sealing ring 5 is a sealing copper ring. The sealing copper ring is adopted to be softer when contacting the screwed joint, so that the sealing copper ring can be more attached to the screwed joint.
A limiting block 9 is arranged in the valve body 1.
The inner surface of the copper ring is provided with a group of balance weights which are uniformly distributed. Mainly play the copper ring can be convenient for install when the installation.
The contact surfaces of the left valve plate 11 and the right valve plate 13 and the copper ring are made of copper. Mainly plays a role in reducing friction force.
The length of the inserted link of the left valve plate 11 is greater than or equal to the length of the inserted link of the right valve plate 13. Since the distance between the end of the bar-shaped groove 111 of the left valve seat 12 and the boss 131 of the right valve seat 14 increases in the state where the left valve seat 12 and the right valve seat 14 are opened, the length of the insert rod of the left valve plate 11 is required to be greater than or equal to that of the insert rod of the right valve plate 13.
The right valve seat 14 is provided with a sleeve connected with the power output shaft.
The left valve seat 12 is provided with at least one contact protrusion at its end.
Example 1: the valve core works in the following way:
as shown in fig. 9: in the initial state, the gate valve is in an open state, and the two end surfaces of the left valve seat 12 and the two end surfaces of the right valve seat 14 are in the same horizontal line, so that the left valve plate 11 and the right valve plate 13 are not stretched yet;
As shown in fig. 10: in the working state, the gate valve is gradually closed, the left valve seat 12 and the right valve seat 14 are driven to move towards the closing direction by the power component, when the end part or the contact bulge of the left valve seat 12 contacts the inner wall of the valve body or the limiting block 9, the distance between the two end surfaces of the left valve seat 12 and the two end surfaces of the right valve seat 14 is gradually increased, the left valve plate 11 and the right valve plate 13 both move along the opposite inclined plane direction and are gradually spread towards each other, and move towards the valve seat sealing surface at the inlet of the valve body 1 and the valve seat sealing surface at the outlet of the valve body 1 respectively;
as shown in fig. 11: in the fully closed state, the gate valve is closed, at this time, the left valve seat 12 and the right valve seat 14 are moved relatively, so that the boss 131 of the right valve seat 14 moves in the bar-shaped groove 111 until the boss end surface 1311 of the boss 131 of the right valve seat 14 contacts with the groove inner end surface 1111 of the bar-shaped groove 111, at this time, the distance between the left valve plate 11 and the right valve plate 13 is the maximum distance, and the valve seat sealing surface at the inlet of the valve body 1 and the valve seat sealing surface at the outlet of the valve body 1 can be fully closed, so that the gate valve closing effect is achieved.
The left valve plate 11 and the right valve plate 13 are arranged in a mirror image mode.
Claims (5)
1. The gate valve structure comprises a power execution component, a valve body (1) and a valve core (2), wherein the valve core (2) is positioned in the valve body (1), the power execution component is in transmission connection with the valve core in the valve body (1), the gate valve structure is characterized in that a valve seat sealing surface at the inlet of the valve body (1) and a valve seat sealing surface at the outlet of the valve body (1) are respectively provided with a threaded interface,
The end surfaces of one end of the first copper ring (3) and one end of the second copper ring (4) are provided with sealing ring placing grooves,
A pair of sealing rings (5) are respectively arranged in the sealing ring arranging grooves of the first copper ring (3) and the second copper ring (4),
The first copper ring (3) and the second copper ring (4) are respectively matched with the thread interface threads on the valve seat sealing surface at the inlet of the valve body (1) and the valve seat sealing surface at the outlet of the valve body (1), and the sealing ring (5) is propped against the end part of the thread interface to play a role in sealing,
The valve core (2) comprises a left valve plate (11), a left valve seat (12), a right valve plate (13) and a right valve seat (14),
The left valve plate (11) and the right valve plate (13) are provided with matched inclined planes,
The inclined surface of the left valve plate (11) is provided with a strip-shaped groove (111) penetrating through the inclined surface,
A bulge (131) is arranged on the inclined plane of the right valve plate (13), a through hole (132) penetrating through the bulge (131) is arranged on the bulge (131), the bulge (131) is matched with the shape of the strip-shaped groove (111),
The bulge (131) is positioned in the strip-shaped groove (111) and moves in the strip-shaped groove (111),
A left inserting rod (112) and a right inserting rod (133) are respectively arranged on the left valve plate (11) and the right valve plate (13),
The left inserting rod (112) of the left valve plate (11) is inserted into the through hole (132) at one end of the bulge (131) through the bar-shaped groove (111),
The right inserting rod (133) of the right valve plate (13) is inserted into the through hole (132) at the other end of the bulge (131);
a limiting block (9) is arranged in the valve body (1),
The inner surface of the copper ring is provided with a group of balance weights which are uniformly distributed,
The length of the inserted rod of the left valve plate (11) is larger than or equal to that of the inserted rod of the right valve plate (13).
2. A gate valve arrangement according to claim 1, characterized in that the sealing ring (5) is a sealing copper ring.
3. A gate valve structure according to claim 1, wherein the contact surfaces of the left valve plate (11) and the right valve plate (13) with the copper ring are made of copper.
4. A gate valve structure according to claim 1, characterized in that the right valve seat (14) is provided with a bushing connected to the power take-off shaft.
5. A gate valve structure according to claim 1, characterized in that the left valve seat (12) is provided with at least one contact protrusion at its end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391092.XA CN111022678B (en) | 2019-12-30 | 2019-12-30 | Gate valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391092.XA CN111022678B (en) | 2019-12-30 | 2019-12-30 | Gate valve structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111022678A CN111022678A (en) | 2020-04-17 |
| CN111022678B true CN111022678B (en) | 2024-04-26 |
Family
ID=70195634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911391092.XA Active CN111022678B (en) | 2019-12-30 | 2019-12-30 | Gate valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022678B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5087017A (en) * | 1989-01-10 | 1992-02-11 | Irie Koken Kabushiki Kaisha | Valve body for non-sliding type gate valve |
| CN2830817Y (en) * | 2005-06-07 | 2006-10-25 | 重庆新泰机械有限责任公司 | Fast detaching manually operated flat valve |
| CN103867740A (en) * | 2014-03-12 | 2014-06-18 | 赵永刚 | Thick oil thermal recovery single disc flat gate valve |
| CN203730806U (en) * | 2014-03-12 | 2014-07-23 | 赵永刚 | Single disc flat gate valve for heavy oil thermal recovery |
| CN105065699A (en) * | 2015-07-23 | 2015-11-18 | 氟络塞尔特种阀门(苏州)有限公司 | Gate valve |
| CN206754412U (en) * | 2017-01-11 | 2017-12-15 | 浙江三迪阀业有限公司 | A kind of gate valve |
| CN211344076U (en) * | 2019-12-30 | 2020-08-25 | 荆门美中美阀门有限公司 | Gate valve structure |
-
2019
- 2019-12-30 CN CN201911391092.XA patent/CN111022678B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5087017A (en) * | 1989-01-10 | 1992-02-11 | Irie Koken Kabushiki Kaisha | Valve body for non-sliding type gate valve |
| CN2830817Y (en) * | 2005-06-07 | 2006-10-25 | 重庆新泰机械有限责任公司 | Fast detaching manually operated flat valve |
| CN103867740A (en) * | 2014-03-12 | 2014-06-18 | 赵永刚 | Thick oil thermal recovery single disc flat gate valve |
| CN203730806U (en) * | 2014-03-12 | 2014-07-23 | 赵永刚 | Single disc flat gate valve for heavy oil thermal recovery |
| CN105065699A (en) * | 2015-07-23 | 2015-11-18 | 氟络塞尔特种阀门(苏州)有限公司 | Gate valve |
| CN206754412U (en) * | 2017-01-11 | 2017-12-15 | 浙江三迪阀业有限公司 | A kind of gate valve |
| CN211344076U (en) * | 2019-12-30 | 2020-08-25 | 荆门美中美阀门有限公司 | Gate valve structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111022678A (en) | 2020-04-17 |
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