CN108426049B - A kind of double-flashboard gate valve - Google Patents
A kind of double-flashboard gate valve Download PDFInfo
- Publication number
- CN108426049B CN108426049B CN201810333501.XA CN201810333501A CN108426049B CN 108426049 B CN108426049 B CN 108426049B CN 201810333501 A CN201810333501 A CN 201810333501A CN 108426049 B CN108426049 B CN 108426049B
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- Prior art keywords
- flashboard
- valve body
- valve
- cylinder
- gasket
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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
- F16K3/029—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 two or more gates
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The present invention provides a kind of double-flashboard gate valves, including cylinder, valve body, valve seat, upper flashboard and lower flashboard, the valve body is made of upper valve body, middle valve body and lower valve body, the cylinder is connected with the middle valve body, the front end of the piston rod of the cylinder is connected with push handle, the upper flashboard is connected to the upper end of the push handle, the lower flashboard is connected to the lower end of the push handle, wherein, the lower flashboard includes, Upper gasket, inner cylinder, outer cylinder and lower gasket, the Upper gasket are set in the top of the locating shaft of the push handle；The inner cylinder is set in the middle part of the locating shaft；The outer cylinder is movably set on the inner cylinder；The lower gasket is set in the lower part of the locating shaft.Double-flashboard gate valve provided by the invention, due to the above structure, thus when valve is in close state, since the valve chamber of valve body is communicated with the conveyance conduit in lower valve body always, under the eddy current effect that conveyance conduit generates, impurity depositional phenomenon would not be less prone in valve chamber in other words.
Description
Technical field
The present invention relates to a kind of valves, more particularly to a kind of double-flashboard gate valve.
Background technique
Double-flashboard gate valve is a kind of suitable for being used as closed installation on pipeline that medium is water, sewage, not allowing to make adjustments
The valve that flow and emptying use.
Chinese patent CN201020128939.3 discloses a kind of double-flashboard gate valve, including cylinder, valve body, valve seat, brake application
Plate and lower flashboard, valve body are made of upper valve body, middle valve body and lower valve body three parts, and middle valve body one end and cylinder are direct-connected, upper and lower lock
Plate is fixedly connected in push handle, and push handle and the piston rod in cylinder are direct-connected, it is characterized in that: the upper valve body and lower valve body are non-right
Claim structure, upper flashboard and upper valve body form sealing pair, and lower valve body is equipped with body cavity and lower valve body transfer passage in a connection
Skewed slot.This double-flashboard gate valve is for the cleaning effect of the impurity in valve chamber and bad.
Summary of the invention
The object of the present invention is to provide a kind of double-flashboard gate valve, the impurity solved in fluid media (medium) is trapped in valve chamber
Problem.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of double-flashboard gate valve, including cylinder, valve body, valve seat, upper flashboard and lower flashboard, the valve body by upper valve body, in
Valve body and lower valve body composition, the cylinder are connected with the middle valve body, and the front end of the piston rod of the cylinder is connected with push handle,
The upper flashboard is connected to the upper end of the push handle, and the lower flashboard is connected to the lower end of the push handle, wherein the lower flashboard
Include:
Upper gasket, the Upper gasket are set in the top of the locating shaft of the push handle；
Inner cylinder, the inner cylinder are set in the middle part of the locating shaft, and the upper end of the inner cylinder is kept out on the Upper gasket；
Outer cylinder, the outer cylinder are movably set on the inner cylinder；
Lower gasket, the lower gasket are set in the lower part of the locating shaft, and the upper end of the lower gasket is kept out described interior
On cylinder；
Wherein, when valve is in close state, the vortex that generates in the transfer passage of the lower valve body is by under described
The groove of gasket enters in the valve chamber of the valve body, and the impurity deposited on the valve chamber inner wall is washed away.
Further, the outer cylinder is driven to move on the inner cylinder into the vortex of the valve chamber, so that the valve chamber
Interior delay impurity is broken up and is flowed, and then the impurity deposited on the valve chamber inner wall is washed away.
Further, several over-hang parts are provided tiltedly on the periphery of the outer cylinder, the over-hang part has inclined surface
With side cambered surface, the front end of the over-hang part is arranged in the inclined surface, and the outside of the over-hang part is arranged in the side cambered surface.
Further, the side cambered surface is equipped with several protrusions.
Further, several protrusions are evenly distributed in the side cambered surface.
Further, several raised non-uniform Distributions are in the side cambered surface.
Further, cavity is formed between the lower, outer perimeter of the upper straight tube of the inside of the over-hang part and the outer cylinder.
Further, the left and right side of the over-hang part all has several fins.
Further, the slower conical tube of the outer cylinder on the outside of intermediate incline and the over-hang part by being connected.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
1. since the present invention is provided with lower flashboard, lower flashboard is made of Upper gasket, outer cylinder, inner cylinder and lower gasket, and under
Be arranged on gasket it is fluted, thus when valve is in close state, so that phase inside transfer passage and valve chamber in lower valve body
It is logical, under the eddy current effect that transfer passage generates, the impurity being trapped in valve chamber can be made to move together with fluid media (medium), valve
It is intracavitary to be less prone to impurity depositional phenomenon in other words, keep valve to work normally；
2. due to being provided with over-hang part on the outer cylinder in lower flashboard of the invention, the vortex that transfer passage generates can drive outer
Cylinder is moved up and down or is rotated around locating shaft, the outer cylinder of movement so that into valve chamber interior fluid mediums flowing velocity
Accelerate, so that the delay impurity in the valve chamber is easier to be broken up and accelerates to flow, and then will be deposited on the valve chamber inner wall
Impurity washes away.
3. promoting the delay impurity in valve chamber due to being provided with protrusion and fin on the over-hang part in lower flashboard of the invention
Broken up more complete, thus can be further so more thorough that wash away to the impurity progress in valve chamber, when keeping valve long
Between normal work.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is broken section structural schematic diagram of the invention.
Fig. 2 is the schematic cross-sectional view of lower flashboard of the invention.
Fig. 3 is the schematic cross-sectional view of the outer cylinder in lower flashboard of the invention.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the enlarged view in Fig. 4 at H.
Fig. 6 is the schematic cross-sectional view of the inner cylinder in lower flashboard of the invention.
Fig. 7 is the schematic cross-sectional view of the lower gasket in lower flashboard of the invention.
Fig. 8 is the top view of Fig. 7.
Description of symbols: cylinder -10, middle valve body -20, lower valve body -30, transfer passage -31, supporting surface -32, upper valve
Body -40, import -41, push handle -50, locating shaft -51, valve seat -60, upper flashboard -70, lower flashboard -80, Upper gasket -81, outer cylinder -
82, upper straight tube -821, slower conical tube -822, over-hang part -823, inclined surface -8231, side cambered surface -8232, protrusion -82321, transition are oblique
Face -8233, cavity -824, fin -825, inner cylinder -83, outer portion -831, lower gasket -84, groove -841, the first hole -842, spiral shell
Nail hole -843, the second hole -844, valve chamber -90.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Below with reference to Fig. 1 to Fig. 8, the invention will be further described, a kind of double-flashboard gate valve as shown in Figure 1, including gas
Cylinder 10, valve body, valve seat 60, upper flashboard 70 and lower flashboard 80, the valve body is by upper valve body 40, middle valve body 20 and 30 groups of lower valve body
At the upper end of the upper valve body 40 has an import 41, and the cylinder 10 is connected with the middle valve body 20, the cylinder 10
The front end of piston rod is connected with push handle 50, and the upper flashboard 70 is connected to the upper end of the push handle 50, and the lower flashboard 80 connects
In the lower end of the push handle 50.
As shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, the lower flashboard 80 includes: Upper gasket 81, inner cylinder 83, outer cylinder 82 and underlay
Piece 84, the Upper gasket 81 are set in the top of the locating shaft 51 of the push handle 50；The inner cylinder 83 is set in the locating shaft
51 middle part, the upper end of the inner cylinder 83 are kept out on the Upper gasket 81；The outer cylinder 82 is movably set in the inner cylinder 83
On, the upper end of the outer cylinder 82 can be kept out on the bottom of the Upper gasket 81, and the lower end of the outer cylinder 82 can be kept out
In the outer portion 831 of the inner cylinder 83, specifically, when the vortex generated in the transfer passage 31 is larger, the outer cylinder 82
It can move up, until the upper end of the outer cylinder 82 is kept out on the bottom of the Upper gasket 81；When in the transfer passage 31
When the vortex of generation is smaller or valve is in the open state, the lower end of the outer cylinder 82 can keep out the outer portion in the inner cylinder 83
On 831.
The lower gasket 84 is set in the lower part of the locating shaft 51, and the lower part of the locating shaft 51 extends to the underlay
In first hole 842 of piece 84, the lower gasket 84 is fixed on the screw in the screw hole 843 of 84 bottom of lower gasket by one
It is fixed on the locating shaft 51, the head of screw of the screw is located in the second hole 844 of the lower gasket 84, the lower gasket
84 upper end is kept out on the inner cylinder 83, and the lower end of the lower gasket 84 is kept out on the supporting surface 32 of the lower valve body 30.
As shown in Figure 3 and Figure 4, several over-hang parts 823, the over-hang part are provided tiltedly on the periphery of the outer cylinder 82
823 have inclined surface 8231 and side cambered surface 8232, and the front end of the over-hang part 823, the side is arranged in the inclined surface 8231
The outside of the over-hang part 823 is arranged in cambered surface 8232, and vortex can drive the outer cylinder 82 to move up and down or around locating shaft
51 rotations will accelerate the rate flow of the vortex of transfer passage generation when outer cylinder movement, so that into valve chamber 90
The flowing velocity of portion's fluid media (medium) is accelerated, so that the delay impurity in the valve chamber 90 is easier to be broken up and accelerates to flow, in turn
The impurity deposited on 90 inner wall of valve chamber is washed away.
As shown in figure 5, the side cambered surface 8232 is equipped with several protrusions 82321.
Preferably, several protrusions 82321 can be evenly distributed in the side cambered surface 8232, so that deposition in valve chamber 90
Impurity easily broken up.
Preferably, several protrusions 82321 can be with non-uniform Distribution in the side cambered surface 8232, so that sinking in valve chamber 90
Long-pending impurity is easier to be broken up.
Cavity 824 is formed between the lower, outer perimeter of the upper straight tube 821 of the inside and outer cylinder 82 of the over-hang part 823,
The left and right side of the over-hang part 823 all has several fins 825, since the side cambered surface 8232 is convex equipped with several
Rise 82321 and the left and right side of the over-hang part 823 be provided with fin 825, promote the delay impurity quilt in valve chamber 90
Break up more complete, thus can be further so more thorough that wash away to the impurity progress in valve chamber 90, when keeping valve long
Between normal work.
The slower conical tube 822 of the outer cylinder 82 is connected by intermediate incline 8233 with the outside of the over-hang part 823, described
The taper of slower conical tube 822 is between 8~15 °.
Preferably, the taper of the slower conical tube 822 is 9.57 °, and at this moment, the rotation speed of vortex is most fast, the impurity of deposition
It can more easily be washed.
When valve is in the open state, fluid media (medium) is introduced into transfer passage 31, subsequently enters inside valve chamber 90, from valve
It is entered back into inside chamber 90 in import 41, when fluid media (medium) flows in valve chamber 90, a part of impurity in fluid media (medium) is in weight
Under the action of power and characteristic possessed by itself, it can be trapped in valve chamber 90 or be attached on 90 inner wall of valve chamber, if to miscellaneous
The removing of matter is not in place, then valve internal can be caused to block, and makes valve cisco unity malfunction.
In the present embodiment, as illustrated in figures 1 and 8, when valve is in close state, the transfer passage 31 of lower valve body 30
The vortex of interior generation is entered in valve chamber 90 by the groove 841 of lower gasket 84, is rushed to the impurity deposited on 90 inner wall of valve chamber
Brush in addition, the vortex into valve chamber 90 can drive outer cylinder 82 to move up and down on inner cylinder 83, or makes outer cylinder 82 around fixed
Position axis 51 rotates, so that the delay impurity in the valve chamber 90 is broken up and flowed together with the fluid media (medium) into inside valve chamber 90
It is dynamic, and then the impurity deposited on 90 inner wall of valve chamber is washed away.
In the present embodiment, the opening size of the groove 841 according to the actual situation depending on.
Preferably, the groove 841 is evenly distributed on the lower gasket 84, and the vortex that at this moment transfer passage 31 generates is made
With maximum.
Preferably, the number of the groove 841 can be 4,8,12.
In said structure, lower flashboard 80 is made of Upper gasket 81, outer cylinder 82, inner cylinder 83 and lower gasket 84, and underlay
Fluted 841 are arranged on piece 84, thus when valve is in close state, so that transfer passage 31 and valve chamber 90 in lower valve body
Inside communicates, and under the eddy current effect that transfer passage 31 generates, can make the impurity being trapped in valve chamber 90 and fluid media (medium)
It moves together, impurity depositional phenomenon would not be less prone in valve chamber 90 in other words, valve is kept to work normally.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of double-flashboard gate valve, including cylinder (10), valve body, valve seat (60), upper flashboard (70) and lower flashboard (80), the valve
Body is made of upper valve body (40), middle valve body (20) and lower valve body (30), and the cylinder (10) is connected with the middle valve body (20),
The front end of the piston rod of the cylinder (10) is connected with push handle (50), and the upper flashboard (70) is connected to the upper of the push handle (50)
End, the lower flashboard (80) is connected to the lower end of the push handle (50), which is characterized in that the lower flashboard (80) includes:
Upper gasket (81), the Upper gasket (81) are set in the top of the locating shaft (51) of the push handle (50)；
Inner cylinder (83), the inner cylinder (83) are set in the middle part of the locating shaft (51), and the upper end of the inner cylinder (83) is kept out
On the Upper gasket (81)；
Outer cylinder (82), the outer cylinder (82) are movably set on the inner cylinder (83), tilt and set on the periphery of the outer cylinder (82)
There are several over-hang parts (823), the over-hang part (823) has inclined surface (8231) and side cambered surface (8232), the over-hang part
(823) cavity (824) are formed between the lower, outer perimeter of the upper straight tube (821) of inside and the outer cylinder (82), the over-hang part
(823) left and right side all has several fins (825), and the inclined surface (8231) is arranged in the over-hang part (823)
Front end, the side cambered surface (8232) setting is equipped with several in the outside of the over-hang part (823), the side cambered surface (8232)
A protrusion (82321)；
Lower gasket (84), the lower gasket (84) are set in the lower part of the locating shaft (51), the upper end of the lower gasket (84)
It keeps out on the inner cylinder (83)；
Wherein, when valve is in close state, the vortex generated in the transfer passage (31) of the lower valve body (30) passes through institute
The groove (841) for stating lower gasket (84) enters in the valve chamber (90) of the valve body, miscellaneous by depositing on the valve chamber (90) inner wall
Matter washes away.
2. double-flashboard gate valve according to claim 1, which is characterized in that enter described in the vortex driving of the valve chamber (90)
Outer cylinder (82) moves on the inner cylinder (83), so that the delay impurity in the valve chamber (90) is broken up and flowed, and then will
The impurity deposited on valve chamber (90) inner wall washes away.
3. double-flashboard gate valve according to claim 1, which is characterized in that several raised (82321) are evenly distributed on institute
It states on side cambered surface (8232).
4. double-flashboard gate valve according to claim 1, which is characterized in that several raised (82321) non-uniform Distributions exist
On the side cambered surface (8232).
5. double-flashboard gate valve according to claim 1, which is characterized in that the slower conical tube (822) of the outer cylinder (82) passes through
It is connected on the outside of intermediate incline (8233) and the over-hang part (823).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333501.XA CN108426049B (en) | 2018-04-13 | 2018-04-13 | A kind of double-flashboard gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333501.XA CN108426049B (en) | 2018-04-13 | 2018-04-13 | A kind of double-flashboard gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108426049A CN108426049A (en) | 2018-08-21 |
| CN108426049B true CN108426049B (en) | 2019-05-17 |
Family
ID=63161114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333501.XA Active CN108426049B (en) | 2018-04-13 | 2018-04-13 | A kind of double-flashboard gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108426049B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5755426A (en) * | 1994-05-24 | 1998-05-26 | Boesch; Hubert | Valve mechanism for a vacuum valve |
| RU2147093C1 (en) * | 1997-02-27 | 2000-03-27 | Акционерное общество "ИКАР" Курганский завод трубопроводной арматуры | Gate valve |
| CN201661703U (en) * | 2010-03-11 | 2010-12-01 | 浙江固特气动机械有限公司 | Double-flashboard gate valve |
| CN202188146U (en) * | 2011-04-12 | 2012-04-11 | 天津市博石通业机械设备发展有限公司 | Plane revolution ceramic feeding valve |
-
2018
- 2018-04-13 CN CN201810333501.XA patent/CN108426049B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5755426A (en) * | 1994-05-24 | 1998-05-26 | Boesch; Hubert | Valve mechanism for a vacuum valve |
| RU2147093C1 (en) * | 1997-02-27 | 2000-03-27 | Акционерное общество "ИКАР" Курганский завод трубопроводной арматуры | Gate valve |
| CN201661703U (en) * | 2010-03-11 | 2010-12-01 | 浙江固特气动机械有限公司 | Double-flashboard gate valve |
| CN202188146U (en) * | 2011-04-12 | 2012-04-11 | 天津市博石通业机械设备发展有限公司 | Plane revolution ceramic feeding valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108426049A (en) | 2018-08-21 |
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