CN109882604A - A kind of resistance to sheet erosion flat gate valve - Google Patents
A kind of resistance to sheet erosion flat gate valve Download PDFInfo
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- CN109882604A CN109882604A CN201910211615.1A CN201910211615A CN109882604A CN 109882604 A CN109882604 A CN 109882604A CN 201910211615 A CN201910211615 A CN 201910211615A CN 109882604 A CN109882604 A CN 109882604A
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 98
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000004087 circulation Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 238000003475 lamination Methods 0.000 claims description 30
- 239000004576 sand Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 238000001125 extrusion Methods 0.000 description 6
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The invention belongs to valve technology fields, and in particular to a kind of flat gate valve of resistance to sheet erosion, including valve body, valve rod, valve seat, runner, upper chamber and valve plate；Valve body top is provided with upper chamber；Valve body lower portion is provided with the runner for fluid circulation；Valve seat setting is provided with the valve plate slot matched with valve board assembly in runner, on valve seat；Valve rod is penetrated upper chamber, valve rod and valve body from valve body and is sealed using sealing structure；Valve rod lower end is fixedly connected with valve plate upper end；It is characterized by: being equipped with sealing strip, rotor plate and torsional spring in valve plate slot；Sealing strip is fixedly mounted on side wall on the downside of valve plate slot, is symmetrically arranged with groove on the side wall of valve plate slot outlet end；Rotor plate is hinged with recess sidewall by fixing axle, and torsional spring is fixedly installed on rotor plate；Valve plate surface is coated with wear-resistant coating.
Description
Technical field
The invention belongs to valve technology fields, and in particular to a kind of flat gate valve of resistance to sheet erosion.
Background technique
Gate valve is presently the most important a kind of valve, be widely used in the circulations of the media such as liquid, gas, dust with
Cut-off；In general, gate valve includes valve body, valve body lower portion has inlet port and outlet port, and the right side of the left end of feed inlet and discharge port
End all have sealing surface, between two sealing surfaces dynamic sealing cooperate equipped with the valve plate that can be moved up and down and will not rotate；Together
When, which is connected with valve rod, which is connected with handle by leadscrew-nut mechanism；After rotatable handle, pass through
Leadscrew-nut mechanism band ovable valve stem moves up and down, and then the valve plate, which is moved up and down, forms sealing to two sealing inclined-planes or beat
It opens, ultimately forms the perforation or cut-off of inlet port and outlet port.
With the development of gate valve technology, in order to keep better seal, two sealing surfaces are prepared as inclined-plane by the producer；
Corresponding, valve plate is prepared as wedge shape of the small end under, to largely improve the sealing effect of gate valve；Even if however,
It is using after improvement above-mentioned, there is also following defects for gate valve: valve plate is after long-time is by water erosion, valve plate and valve body
Interior part is easy to appear abrasion, so that the gradient of part and sealing inclined-plane changes in valve plate, valve body, then sealing effect
It has a greatly reduced quality.
Summary of the invention
The present invention is worn to solve in valve plate and valve body part by water erosion, leads to poor sealing in gate valve
Problem, the present invention provide a kind of flat gate valve of resistance to sheet erosion.
The technical solution adopted by the present invention to solve the technical problems is: a kind of resistance to sheet erosion plate of the present invention
Gate valve, including valve body, valve rod, valve seat, runner, upper chamber and valve plate；The valve body top is provided with upper chamber；Under the valve body
Portion is provided with the runner for fluid circulation；Valve seat setting is provided in runner, on valve seat to be matched with valve board assembly
Valve plate slot；The valve rod is penetrated upper chamber, valve rod and valve body from valve body and is sealed using sealing structure；The valve rod lower end and valve plate
Upper end is fixedly connected；Sealing strip, rotor plate and torsional spring are equipped in the valve plate slot；It is fixedly mounted on side wall on the downside of the valve plate slot
Sealing strip is symmetrically arranged with groove on the side wall of valve plate slot outlet end；The rotor plate is hinged by fixing axle and recess sidewall, rotation
Torsional spring is fixedly installed on plate；The valve plate surface is coated with wear-resistant coating.
When work, gate valve close when, by control valve plate move down, valve plate push rotor plate to lower swing be vertical shape
When state, rotor plate side is contacted with recess sidewall, and the rotor plate other side is contacted with valve plate, improves the leakproofness of valve plate；Gate valve
When unlatching, valve plate is moved up, and rotor plate turns round under the drive of torsional spring, and the water in runner, which quickly flows, generates negative pressure, rotation
Plate has a upward attraction, so that rotor plate is turned to horizontality, contacts with each other between rotor plate, avoids water impact and arrive
In valve plate slot, the case where reducing erosion of the water flow to valve plate slot, avoid gate valve leak, the leakproofness of gate valve is improved；Valve
Plate surface is coated with wear-resistant coating, avoids valve plate surface by water erosion, improves the leakproofness of gate valve.
Preferably, the sealing strip is four, is liquid inside sealing strip, sealing strip is symmetrically fixedly installed in valve plate
Slot left and right sidewall, and the sealing strip of valve plate slot the same side is connected to by No.1 pipeline.When gate valve is closed, valve plate moves down valve plate
The sealing strip of upside is first squeezed, the water in the sealing strip of upside is flowed in the sealing strip of downside, is inserted into convenient for valve plate；Valve plate continues
It moves down, when valve plate squeezes the sealing strip of downside, the water in the sealing strip of downside is flowed in the sealing strip of upside, is increased
Upside sealing strip squeezes the extruding force of valve plate, improves the sealing effect between sealing strip and valve plate, it is therefore prevented that gate valve is sent out when closing
The case where raw leak.
Preferably, one end end close to each other is equipped with No.1 plate between the rotor plate；The No.1 plate is made of rubber, and one
Number plate one end is fixedly connected with rotor plate, and the No.1 plate other end is arcwall face, No.1 plate contact with each other one end equipped with several two
Number through slot, No.1 plate increase far from rotor plate one end end cross-sectional.If being not provided with No.1 plate, when gate valve is normally opened, water flow is quick
It flows and generates vacuum suction rotor plate on the upside of rotor plate, rotor plate rotates upwards, and rotor plate is by by water when water impact rotor plate
Stream is flushed to horizontality, is swinging rotor plate always, reduces water velocity, and water impact rotor plate, increases water flow
Erosion to rotor plate；When gate valve is opened, rotor plate is rotated up, and is intermeshed between No.1 plate, and when gate valve is normally opened, water quickly flows
Dynamic, rotor plate upper end generates vacuum suction rotor plate, is intermeshed between No.1 plate, when rotor plate is by upward attraction, one
Friction is generated between number plate, is avoided rotor plate and is rotated up, reduces erosion of the water flow to rotor plate, improve the sealing of gate valve
Effect；It is intermeshed, and No.1 plate increases far from rotor plate one end end cross-sectional, improves close when gate valve is opened between No.1 plate
Feng Xing.
Preferably, the No.1 plate between No. two through slots is equipped with cavity far from rotor plate side, fills sand in cavity.Lock
In valve opening process, rotor plate rotation is intermeshed between driving No.1 plate, and the sand in cavity is squeezed, because sand flows
Property it is good, No.1 plate is in engagement process, mutual extrusion between No.1 plate, the sand mutual extrusion in cavity convenient for No.1 plate deformation,
Make to engage between No.1 plate to be more easier.
Preferably, arc spring lamination is fixedly mounted on the rotor plate；The arc spring lamination rubber smooth and soft by surface
Glue is made, and arc spring lamination is fixedly connected close to runner water inlet end one end with rotor plate, on the rotor plate of runner water inlet end side
The arc spring lamination other end is not contacted with rotor plate, the arc spring lamination other end and rotor plate on the rotor plate of runner water outlet side
Contact.When gate valve is normally opened, water impact arc spring lamination avoids water flow and directly impacts rotor plate, reduces water flow to rotor plate
Erosion, improve the leakproofness of gate valve；When gate valve is closed, valve plate moves down extruding arc spring lamination, and arc spring lamination, which squeezes, to be turned
Movable plate is to lower swing, and in the downward swing process of rotor plate, valve plate is slided along the surface of arc spring lamination, the frequent moving process of gate valve
In, avoiding valve plate directly wears rotation plate surface in rotor plate mantle friction, increases the sealing sealing effect of gate valve
Fruit；And when gate valve closing, valve plate squeezes rotor plate to lower swing, and arc spring lamination squeezes valve plate two sidewalls, improves the close of gate valve
Feng Xing.
Preferably, the valve plate trench bottom is equipped with two No. two pipelines；No. two pipelines are by valve plate slot and No.1 pipeline
Connection, No. two pipelines are equipped with check valve.When gate valve is closed, water in valve plate squeezing valve board slot, the hydraulic pressure in valve plate slot increases,
Water enters sealing strip by the check valve on No. two pipelines, can supplement the liquid in sealing strip, increase sealing strip pair
The extruding force of valve plate improves sealing strip to the sealing effect of valve plate.
Beneficial effects of the present invention are as follows:
1. a kind of flat gate valve of resistance to sheet erosion of the present invention, passes through the cooperation of valve plate, torsional spring and rotor plate, valve plate
It when normally opened, avoids in water impact to valve plate slot, reduces erosion of the water flow to valve plate slot, avoid the feelings of gate valve leak
Condition improves the leakproofness of gate valve；And valve plate surface is coated with wear-resistant coating, avoids valve plate surface by water erosion, improves lock
The leakproofness of valve.
2. a kind of flat gate valve of resistance to sheet erosion of the present invention, when gate valve is normally opened, by between No.1 plate on rotor plate
Intermeshing, water quickly flows, and rotor plate upper end generates vacuum suction rotor plate, when rotor plate is by upward attraction,
Friction is generated between No.1 plate at intermeshing, rotor plate is avoided and is rotated up, reduce erosion of the water flow to rotor plate, is improved
The sealing effect of gate valve.
3. a kind of flat gate valve of resistance to sheet erosion of the present invention makes valve plate move down valve by the way that sealing strip is arranged
Plate first squeezes the sealing strip of upside, and the water in the sealing strip of upside flows in the sealing strip of downside, is inserted into convenient for valve plate；Valve plate after
Continuous to move down, when valve plate squeezes the sealing strip of downside, the water in the sealing strip of downside is flowed in the sealing strip of upside, is increased
Upside sealing strip squeezes the extruding force of valve plate, improves the sealing effect between sealing strip and valve plate, it is therefore prevented that when gate valve is closed
There is a situation where leaks.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the partial enlarged view in Fig. 2 at B；
Fig. 4 is the partial enlarged view in Fig. 2 at C；
Fig. 5 is the partial enlarged view in Fig. 4 at D；
In figure: valve body 1, valve rod 3, valve seat 4, runner 5, upper chamber 6, valve plate 7, valve plate slot 8,81, No. two pipelines 82 of groove,
Check valve 83, rotor plate 9, No.1 plate 91, cavity 92, arc spring lamination 93, sealing strip 10.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 5, a kind of resistance to sheet erosion flat gate valve of the present invention, including valve body 1, valve rod 3, valve
Seat 4, runner 5, upper chamber 6 and valve plate 7；1 top of valve body is provided with upper chamber 6；1 lower part of valve body is provided with for fluid
The runner 5 of circulation；The valve seat 4 is arranged in runner 5, and the valve plate slot 8 matched with 7 component of valve plate is provided on valve seat 4；Institute
It states valve rod 3 and penetrates upper chamber 6, valve rod 3 and valve body 1 using sealing structure sealing from valve body 1；On 3 lower end of valve rod and valve plate 7
End is fixedly connected；Sealing strip 10, rotor plate 9 and torsional spring are equipped in the valve plate slot 8；It is fixed on the 8 downside side wall of valve plate slot
Sealing strip 10 is installed, is symmetrically arranged with groove 81 on 8 outlet end side wall of valve plate slot；The rotor plate 9 passes through fixing axle and groove 81
It is side walls hinged, torsional spring is fixedly installed on rotor plate 9；7 surface of valve plate is coated with wear-resistant coating.
It when work, when gate valve is closed, is moved down by controlling valve plate 7, the promotion rotor plate 9 of valve plate 7 is perpendicular to lower swing
When straight state, 9 side of rotor plate is contacted with 81 side wall of groove, and 9 other side of rotor plate is contacted with valve plate 7, improves the close of valve plate 7
Feng Xing；When gate valve is opened, valve plate 7 is moved up, and rotor plate 9 turns round under the drive of torsional spring, and the water in runner 5 quickly flows production
Raw negative pressure, rotor plate 9 have a upward attraction, so that rotor plate 9 is turned to horizontality, contact with each other, keep away between rotor plate 9
The case where reducing erosion of the water flow to valve plate slot 8 in water impact to valve plate slot 8, avoiding gate valve leak is exempted from, has improved
The leakproofness of gate valve；It is coated with wear-resistant coating on valve plate 7,7 surface of valve plate is avoided by water erosion, improves the leakproofness of gate valve.
As one embodiment of the present invention, the sealing strip 10 is four, is liquid, sealing strip inside sealing strip 10
10 are symmetrically fixedly installed in 8 left and right sidewall of valve plate slot, and are connected between the sealing strip 10 of 8 the same side of valve plate slot by No.1 pipeline
It is logical.When gate valve is closed, valve plate 7 is moved down, and valve plate 7 first squeezes the sealing strip 10 of upside, and the water in upside sealing strip 10 flows to
In the sealing strip 10 of downside, it is inserted into convenient for valve plate 7；Valve plate 7 continues to move down, when valve plate 7 squeezes the sealing strip 10 of downside,
Water in the sealing strip 10 of downside flows in the sealing strip 10 of upside, increases the extruding force that upside sealing strip 10 squeezes valve plate 7,
Improve the sealing effect between sealing strip 10 and valve plate 7, it is therefore prevented that there is a situation where leaks when gate valve is closed.
As one embodiment of the present invention, one end end close to each other is equipped with No.1 plate 91 between the rotor plate 9；Institute
No.1 plate 91 is stated to be made of rubber, 91 one end of No.1 plate is fixedly connected with rotor plate 9,91 other end of No.1 plate be arcwall face, one
Number plate 91 contacts with each other one end equipped with several No. two through slots, and No.1 plate 91 increases far from 9 one end end cross-sectional of rotor plate.If not yet
There is setting No.1 plate 91, when gate valve is normally opened, water flow quickly flows generation vacuum suction rotor plate 9, rotor plate 9 on the upside of rotor plate 9
Rotation upwards, when water impact rotor plate 9, rotor plate 9 is made 9 frequent swing of rotor plate, is reduced by being flushed to horizontality by water flow
Water velocity, and water impact rotor plate 9, increase erosion of the water flow to rotor plate 9；When gate valve is opened, rotor plate 9 is upward
It rotating, is intermeshed between No.1 plate 91, when gate valve is normally opened, water quickly flows, and 9 upper end of rotor plate generates vacuum suction rotor plate 9,
It is intermeshed between No.1 plate 91, when rotor plate 9 is by upward attraction, friction is generated between No.1 plate 91, avoids rotor plate 9
It is rotated up, reduces erosion of the water flow to rotor plate 9, improve the sealing effect of gate valve；It is intermeshed between No.1 plate 91, and
No.1 plate 91 increases far from 9 one end end cross-sectional of rotor plate, improves leakproofness when gate valve is opened.
As one embodiment of the present invention, the No.1 plate 91 between No. two through slots is equipped with far from 9 side of rotor plate
Cavity 92, cavity 92 is interior to fill sand.In gate valve opening process, the rotation of rotor plate 9 is intermeshed between driving No.1 plate 91, cavity
Sand in 92 is squeezed, because of sand good fluidity, No.1 plate 91 is in engagement process, 91 mutual extrusions of No.1 plate,
Sand mutual extrusion in cavity 92 makes to engage between No.1 plate 91 to be more easier convenient for the deformation of No.1 plate 91.
As one embodiment of the present invention, arc spring lamination 93 is fixedly mounted on the rotor plate 9；The arc spring lamination
93 rubber smooth and soft by surface are made, and arc spring lamination 93 is fixedly connected close to 5 water inlet end one end of runner with rotor plate 9,
93 other end of arc spring lamination on the rotor plate 9 of 5 water inlet end side of runner is not contacted with rotor plate 9,5 water outlet side of runner
93 other end of arc spring lamination on rotor plate 9 is contacted with rotor plate 9.When gate valve is normally opened, water impact arc spring lamination 93 is avoided
Water flow directly impacts rotor plate 9, reduces erosion of the water flow to rotor plate 9, improves the leakproofness of gate valve；When gate valve is closed,
Valve plate 7, which moves down, squeezes arc spring lamination 93, and arc spring lamination 93 squeezes rotor plate 9 to lower swing, the downward swing process of rotor plate 9
In, valve plate 7 is slided along the surface of arc spring lamination 93, in the frequent moving process of gate valve, avoids valve plate 7 directly in rotor plate 9
Mantle friction wears 9 surface of rotor plate, increases the sealing sealing effect of gate valve；And when gate valve closing, arc spring lamination
93 squeeze 7 two sidewalls of valve plate, improve the leakproofness of gate valve.
As one embodiment of the present invention, 8 bottom of valve plate slot is equipped with two No. two pipelines 82；No. two pipes
Valve plate slot 8 is connected to by road 82 with No.1 pipeline, and No. two pipelines 82 are equipped with check valve 83.When gate valve is closed, valve plate 7 squeezes valve plate
Water in slot 8, the hydraulic pressure in valve plate slot 8 increase, and water enters sealing strip 10 by the check valve 83 on No. two pipelines 82, can be to close
Liquid in strip of paper used for sealing 10 is supplemented, and is increased sealing strip 10 to the extruding force of valve plate 7, is improved sealing strip 10 to valve plate 7
Sealing effect.
Specific workflow is as follows:
It when work, when gate valve is closed, is moved down by controlling valve plate 7, the promotion rotor plate 9 of valve plate 7 is perpendicular to lower swing
When straight state, 9 side of rotor plate is contacted with 81 side wall of groove, and 9 other side of rotor plate is contacted with valve plate 7, improves the close of valve plate 7
Feng Xing；When gate valve is opened, valve plate 7 is moved up, and rotor plate 9 turns round under the drive of torsional spring, and the water in runner 5 quickly flows production
Raw negative pressure, rotor plate 9 have a upward attraction, so that rotor plate 9 is turned to horizontality, contact with each other, keep away between rotor plate 9
The case where reducing erosion of the water flow to valve plate slot 8 in water impact to valve plate slot 8, avoiding gate valve leak is exempted from, has improved
The leakproofness of gate valve；It is coated with wear-resistant coating on valve plate 7,7 surface of valve plate is avoided by water erosion, improves the leakproofness of gate valve；
When gate valve is closed, valve plate 7 moves down the sealing strip 10 that valve plate 7 first squeezes upside, and the water in the sealing strip 10 of upside flows to down
In the sealing strip 10 of side, it is inserted into convenient for valve plate 7；Valve plate 7 continues to move down, when valve plate 7 squeezes the sealing strip 10 of downside, under
Water in the sealing strip 10 of side flows in the sealing strip 10 of upside, increases the extruding force that upside sealing strip 10 squeezes valve plate 7, mentions
High sealing effect between sealing strip 10 and valve plate 7, it is therefore prevented that there is a situation where leaks when gate valve is closed；When gate valve is opened, turn
Movable plate 9 is rotated up, and is intermeshed between No.1 plate 91, and when gate valve is normally opened, water quickly flows, and 9 upper end of rotor plate generates negative pressure and inhales
Draw rotor plate 9, be intermeshed between No.1 plate 91, when rotor plate 9 is by upward attraction, friction is generated between No.1 plate 91, is kept away
Rotor plate 9 is exempted to be rotated up, has reduced erosion of the water flow to rotor plate 9, improve the sealing effect of gate valve；Between No.1 plate 91
Intermeshing, and No.1 plate 91 increases far from 9 one end end cross-sectional of rotor plate, improves leakproofness when gate valve is opened；Gate valve
In opening process, the rotation of rotor plate 9 is intermeshed between driving No.1 plate 91, and the sand in cavity 92 is squeezed, because of sand
Good fluidity, No.1 plate 91 is in engagement process, 91 mutual extrusions of No.1 plate, and the sand mutual extrusion in cavity 92 is convenient for one
Number plate 91 deforms, and makes to engage between No.1 plate 91 to be more easier；When gate valve is normally opened, water impact arc spring lamination 93 avoids water flow
Rotor plate 9 is directly impacted, erosion of the water flow to rotor plate 9 is reduced, improves the leakproofness of gate valve；When gate valve is closed, valve plate 7
It moving down and squeezes arc spring lamination 93, arc spring lamination 93 squeezes rotor plate 9 to lower swing, in the downward swing process of rotor plate 9, valve
Plate 7 is slided along the surface of arc spring lamination 93, in the frequent moving process of gate valve, is avoided valve plate 7 and is directly rubbed on 9 surface of rotor plate
Wiping wears 9 surface of rotor plate, increases the sealing sealing effect of gate valve；And when gate valve closing, valve plate 7 squeezes rotor plate
9 squeeze 7 two sidewalls of valve plate, improve the leakproofness of gate valve to lower swing, arc spring lamination 93；When gate valve is closed, 7 squeezing valve of valve plate
Water in board slot 8, the hydraulic pressure in valve plate slot 8 increase, and water enters sealing strip 10 by the check valve 83 on No. two pipelines 82, can be right
Liquid in sealing strip 10 is supplemented, and is increased sealing strip 10 to the extruding force of valve plate 7, is improved sealing strip 10 to valve plate 7
Sealing effect.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of flat gate valve of resistance to sheet erosion, including valve body (1), valve rod (3), valve seat (4), runner (5), upper chamber (6) and
Valve plate (7)；Valve body (1) top is provided with upper chamber (6)；Valve body (1) lower part is provided with the stream for stream 91 bodies circulation
Road (5)；Valve seat (4) setting is provided with the valve plate slot matched with valve plate (7) component in runner (5) on valve seat (4)
(8)；The valve rod (3) penetrates upper chamber (6) from valve body (1), and valve rod (3) and valve body (1) are sealed using sealing structure；The valve
Bar (3) lower end is fixedly connected with valve plate (7) upper end；It is characterized by: being equipped with rotor plate (9), sealing strip in the valve plate slot (8)
(10) and torsional spring；Sealing strip (10) are fixedly mounted on side wall on the downside of the valve plate slot (8), it is right on the side wall of valve plate slot (8) outlet end
Claim to be equipped with groove (81)；The rotor plate (9) is side walls hinged by fixing axle and groove (81), and rotor plate is fixedly mounted on (9)
There is torsional spring；Valve plate (7) surface is coated with wear-resistant coating.
2. a kind of flat gate valve of resistance to sheet erosion according to claim 1, it is characterised in that: the sealing strip (10) is four
It is a, it is liquid inside sealing strip (10), sealing strip (10) is symmetrically fixedly installed in valve plate slot (8) left and right sidewall, and valve plate
The sealing strip (10) of slot (8) the same side is connected to by No.1 pipeline.
3. a kind of flat gate valve of resistance to sheet erosion according to claim 1, it is characterised in that: phase between the rotor plate (9)
Mutually No.1 plate (91) are equipped with close to one end end；The No.1 plate (91) is made of rubber, No.1 plate (91) one end and rotor plate
(9) it is fixedly connected, No.1 plate (91) other end is arcwall face, and No.1 plate (91) one end that contacts with each other is logical equipped with several No. two
Slot, No.1 plate (91) increase far from rotor plate (9) one end end cross-sectional.
4. a kind of flat gate valve of resistance to sheet erosion according to claim 1, it is characterised in that: one between No. two through slots
Number plate (91) is equipped with cavity (92) far from rotor plate (9) side, and sand is filled in cavity (92).
5. a kind of flat gate valve of resistance to sheet erosion according to claim 1, it is characterised in that: solid on the rotor plate (9)
Dingan County fills arc spring lamination (93)；The arc spring lamination (93) rubber smooth and soft by surface is made, and arc spring lamination (93) leans on
Nearly runner (5) water inlet end one end is fixedly connected with rotor plate (9), the arc bullet on the rotor plate (9) of runner (5) water inlet end side
Piece (93) other end is not contacted with rotor plate (9), and the arc spring lamination (93) on the rotor plate (9) of runner (5) water outlet side is another
One end is contacted with rotor plate (9).
6. a kind of flat gate valve of resistance to sheet erosion according to claim 1, it is characterised in that: valve plate slot (8) bottom
Equipped with two No. two pipelines (82)；Valve plate slot (8) is connected to by No. two pipelines (82) with No.1 pipeline, on No. two pipelines (82)
Equipped with check valve (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211615.1A CN109882604B (en) | 2019-03-20 | 2019-03-20 | Surface erosion resistant flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211615.1A CN109882604B (en) | 2019-03-20 | 2019-03-20 | Surface erosion resistant flat gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882604A true CN109882604A (en) | 2019-06-14 |
| CN109882604B CN109882604B (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910211615.1A Active CN109882604B (en) | 2019-03-20 | 2019-03-20 | Surface erosion resistant flat gate valve |
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| Country | Link |
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| CN (1) | CN109882604B (en) |
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| CN208295171U (en) * | 2018-06-06 | 2018-12-28 | 常州市武进雪堰石油化工备件有限公司 | A kind of oil pipeline gate |
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2019
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|---|---|---|---|---|
| US4949939A (en) * | 1989-03-08 | 1990-08-21 | Almada Edward M | Gate valves with seat protectors |
| KR101478163B1 (en) * | 2013-08-06 | 2015-01-06 | 동아대학교 산학협력단 | Movealbe metal seal gate valve |
| CN204004498U (en) * | 2014-07-05 | 2014-12-10 | 浙江永高阀门制造有限公司 | A kind of gate valve |
| CN204512490U (en) * | 2015-01-16 | 2015-07-29 | 康金沙 | A kind of convenience is filtered and the gate-valve device of good airproof performance |
| CN205331468U (en) * | 2016-01-20 | 2016-06-22 | 安徽铜陵科力阀门有限责任公司 | Guarantee gate valve sealed and that can adjust |
| CN208295171U (en) * | 2018-06-06 | 2018-12-28 | 常州市武进雪堰石油化工备件有限公司 | A kind of oil pipeline gate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109882604B (en) | 2020-07-17 |
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Effective date of registration: 20200619 Address after: Yongjia Dong'ou County of Wenzhou City, Zhejiang province 325100 streets and village Applicant after: TEJI VALVE GROUP Co.,Ltd. Address before: 100089 University of Science and Technology Beijing, Haidian District, Haidian District, Beijing, University of Science and Technology Beijing Applicant before: Li Shan |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A surface erosion resistant flat gate valve Effective date of registration: 20230802 Granted publication date: 20200717 Pledgee: Agricultural Bank of China Limited Yongjia County sub branch Pledgor: TEJI VALVE GROUP Co.,Ltd. Registration number: Y2023330001603 |