CN108758025A - A kind of shut-off valve peculiar to vessel that leakproofness is strong - Google Patents
A kind of shut-off valve peculiar to vessel that leakproofness is strong Download PDFInfo
- Publication number
- CN108758025A CN108758025A CN201810380994.2A CN201810380994A CN108758025A CN 108758025 A CN108758025 A CN 108758025A CN 201810380994 A CN201810380994 A CN 201810380994A CN 108758025 A CN108758025 A CN 108758025A
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- filter screen
- deck
- valve rod
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 14
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/042—Check valves with guided rigid valve members shaped as balls with a plurality of balls
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
Abstract
The present invention provides a kind of shut-off valve peculiar to vessel that leakproofness is strong,Including valve body,Valve deck,Valve rod,Handwheel,Valve stem nut,Gland,Airtight and watertight padding,Seal receptacle,Flap,Valve seat,Elastic sealing element,Cyclic spring sealing block,Spring,First filter screen and anti-blocking plug assembly,Water inlet is provided in valve body,Water outlet and flow-through opening,Valve deck is arranged on valve body,Flap is fixed at the lower end of valve rod,Valve stem nut is set on valve rod,Valve stem nut is fixedly mounted in valve deck,Airtight and watertight padding and seal receptacle are arranged between valve rod and valve deck,Gland is set on valve rod,Gland lower end is in contact with airtight and watertight padding,Valve seat is arranged in flow-through opening,Installation groove is provided on valve seat,Spring and Annular elastomeric seals are arranged in installation groove,Spring one end is connect with valve seat,The other end is connect with Annular elastomeric seals.The beneficial effects of the invention are as follows sealing effect is improved, prevent larger sundries from entering in valve body.
Description
Technical field
The present invention relates to marine valve fields, more particularly, to a kind of strong shut-off valve peculiar to vessel of leakproofness.
Background technology
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to apply to flap and press
Power is not revealed with forced seal face.Shut-off valve is the common valve in valve especially marine valve field, to pipeline where it
In medium play the important function of cut-out and throttling.It is by applying torque to valve rod that it, which is sealed, and valve rod is in the axial direction
Apply pressure to flap, valve clack sealing surface is made to be fitted closely with sealing surface of seat, gap of the medium between sealing surface is prevented to let out
Leakage.
Since the sundries in pipeline is more, sundries makes shut-off valve block, makes to people with flowing into inside shut-off valve
With bringing big inconvenience, and influence service life；And overwhelming majority shut-off valves all there is leakproofness bad, valve now
There is the drawbacks of leakage after being closed between seat and flap, can cause big inconvenience to using in this way, cause damages, influences work effect
Rate.
Invention content
It is an object of the invention to overcome the prior art, a kind of shut-off valve peculiar to vessel that leakproofness is strong is provided, it can
Sealing effect is improved, larger sundries is effectively prevent to enter in valve body.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of shut-off valve peculiar to vessel that leakproofness is strong, packet
Include valve body, valve deck, valve rod, handwheel, valve stem nut, gland, airtight and watertight padding, seal receptacle, flap, valve seat, elastic sealing element,
Cyclic spring sealing block, spring, the first filter screen and anti-blocking plug assembly are provided with water inlet, water outlet and stream in the valve body
Mouth is opened up, the water inlet and the water outlet are connected by the flow-through opening, and the valve deck is arranged on the valve body,
The valve deck and the valve body are connected with each other by the first bolt and nut component, and the valve rod is arranged in the valve deck and the valve
In vivo, the handwheel is arranged in the upper end of the valve rod, and the flap is fixed at the lower end of the valve rod, the valve rod spiral shell
Mother set is located on the valve rod, and the valve stem nut is fixedly mounted in the valve deck, the airtight and watertight padding and the seal receptacle
Be arranged between the valve rod and the valve deck, the gland is set on the valve rod, the gland lower end with
The airtight and watertight padding is in contact, and the gland is connected with the valve deck by second bolt and nut component, described
Valve seat is arranged in the flow-through opening, and installation groove, the spring and cyclic spring sealing are provided on the valve seat
Part is arranged in the installation groove, and the spring one end is connect with the valve seat, the other end and the Annular elastomeric seals
Connection, the elastic sealing element are fixed on the flap, and the elastic sealing element matches setting with the installation groove,
First filter screen is arranged in the water inlet, and the water inlet is provided with circulation passage, and the anti-blocking plug assembly is set
It sets in the circulation passage, the anti-blocking plug assembly includes the second filter screen, third filter screen, limited block, blocking ball and pressure
Contracting spring, second filter screen and the third filter screen are successively set on the input end of the circulation passage, the limit
Block is fixed in the circulation passage, and described compressed spring one end is fixedly mounted on the limited block, the other end and institute
Blocking ball is stated to be connected.
Further, the limited block is provided with 4, and 4 limited blocks are evenly distributed on the upper of the circulation passage
End and lower end, the blocking ball and the compressed spring are arranged between 4 limited blocks.
Further, the flap lower face is in circular conical surface, and the valve seat inner face is in that the taper surface being adapted to is sealed with it.
Further, the end of the elastic sealing element is in smooth arc surface.
Compared with prior art, the invention has the advantages and positive effects that：
1, by the first filter screen of setting, the second filter screen, third filter screen, limited block, blocking ball and compressed spring,
Larger sundries can be effectively prevent to enter in valve body, and avoided out when blockage phenomenon by the way that circulation passage is arranged
The problem of existing blocking medium cannot be introduced into valve body.
2, by the elastic sealing element of setting, cyclic spring sealing block and spring, the sealing effect of valve body is improved, and
It wears small, increases service life.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is A close-up schematic views of the present invention；
Fig. 3 is B close-up schematic views of the present invention.
In figure：
1, valve body 2, water inlet 3, the first filter screen
4, anti-blocking plug assembly 5, valve deck 6, valve rod
7, valve stem nut 8, handwheel 9, the second bolt and nut component
10, gland 11, airtight and watertight padding 12, seal receptacle
13, the first bolt and nut component 14, water outlet 15, valve seat
16, installation groove 17, flow-through opening 18, cyclic spring sealing block
19, elastic sealing element 20, spring 21, flap
22, input end 23, the second filter screen 24, third filter screen
25, circulation passage 26, limited block 27, blocking ball
28, compressed spring
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only a part of the embodiment of the present invention, without
It is whole embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
The every other embodiment for putting acquisition, shall fall within the protection scope of the present invention.It should be noted that for purposes of clarity, attached drawing
With the expression and description that component unrelated to the invention, known to persons of ordinary skill in the art and processing are omitted in explanation.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of strong shut-off valve peculiar to vessel of leakproofness, including valve body 1, valve deck 5,
Valve rod 6, handwheel 8, valve stem nut 7, gland 10, airtight and watertight padding 11, seal receptacle 12, flap 21, valve seat 15, elastic sealing element
19, cyclic spring sealing block 18, spring 20, the first filter screen 3 and anti-blocking plug assembly 4 are provided with water inlet 2, water outlet in valve body 1
Mouth 14 and flow-through opening 17, water inlet 2 and water outlet 14 are connected by flow-through opening 17, and valve deck 5 is arranged on valve body 1, valve
Lid 5 and valve body 1 are connected with each other by the first bolt and nut component 13, and valve rod 6 is arranged in valve deck 5 and valve body 1, and handwheel 8 is arranged
In the upper end of valve rod 6, flap 21 is fixed at the lower end of valve rod 6, and valve stem nut 7 is set on valve rod 6, and valve stem nut 7 is solid
Dingan County is in valve deck 5, and airtight and watertight padding 11 and seal receptacle 12 are arranged between valve rod 6 and valve deck 5, and gland 10 is set in valve
On bar 6,10 lower end of gland is in contact with airtight and watertight padding 11, and gland 10 passes through the second bolt and nut component 9 with valve deck 5
It is connected, valve seat 15 is arranged in flow-through opening 17, and installation groove 16, spring 20 and cyclic spring sealing are provided on valve seat 15
Part 19 is arranged in installation groove 16, and 20 one end of spring is connect with valve seat 15, and the other end is connect with Annular elastomeric seals 19, bullet
Property sealing element 19 be fixed on flap 21, elastic sealing element 19 matches setting with installation groove 16, the setting of the first filter screen 3
At water inlet 2, circulation passage 25 is provided at water inlet 2, anti-blocking plug assembly 4 is arranged in circulation passage 25, anti-clogging group
Part 4 includes the second filter screen 23, third filter screen 24, limited block 26, blocking ball 27 and compressed spring 28,23 He of the second filter screen
Third filter screen 24 is successively set on the input end 22 of circulation passage 25, and limited block 26 is fixed in circulation passage 25, pressure
28 one end of contracting spring is fixedly mounted on limited block 26, and the other end is connected with blocking ball 27.
Limited block 26 is provided with 4, and 4 limited blocks 26 are evenly distributed on the top and bottom of circulation passage 25, stops ball
27 and compressed spring 28 be arranged between 4 limited blocks 26.
21 lower face of flap is in circular conical surface, and 15 inner face of valve seat is in that the taper surface being adapted to is sealed with it.
The end of elastic sealing element 19 is in smooth arc surface.
The course of work of this example：When closing, rotation hand wheel 8, valve rod 6 moves down in valve stem nut 7, in valve rod 6
Drive lower Disc 21 move downward, during flap 21 moves down, elastic sealing element 19 enter installation groove 16 in
It is in contact with cyclic spring sealing block 18, squeezes spring 20, when 21 lower face of flap and 15 inner face of valve seat are bonded, bullet at this time
Spring 20 is compressed completely, and elastic sealing element 19, cyclic spring sealing block 18 and valve group form high sealing state, completes to close dynamic
Make, flow-through opening 17 is blocked.
When unlatching, rotation hand wheel 8, valve rod 6 moves up in valve stem nut 7, under the drive of valve deck 5, flap 21 to
Upper movement, elastic sealing element 19 are detached from from installation groove 16, and medium can flow to water outlet from water inlet 2 by flow-through opening 17
14。
After medium enters valve body 1, by the way that the first filter screen 3 in water inlet 2 is arranged, larger sundries can be effectively prevent
Into in valve body 1, when the first filter screen 3 blocks, medium is by the second filter screen 23 and third filter screen 24 into becoming a mandarin
In circulation passage 25, at this point, blocking ball 27, by thrust backward, compressed spring 28 stops that ball 27 leaves limited block 26, and circulation is logical
Road 25 circulates, and medium can enter from circulation passage 25 in valve body 1.
The beneficial effects of the invention are as follows：1, pass through the first filter screen of setting, the second filter screen, third filter screen, limit
Block, blocking ball and compressed spring, can effectively prevent larger sundries to enter in valve body, and by the way that circulation passage is arranged, work as hair
When raw clogging, avoids and the problem of blocking medium cannot be introduced into valve body occur.
2, by the elastic sealing element of setting, cyclic spring sealing block and spring, the sealing effect of valve body is improved, and
It wears small, increases service life.
One or more embodiments of the invention is described in detail above, but the content be only the present invention compared with
Good embodiment should not be construed as limiting the practical range of the present invention.It is all according to equivalent change made by the present patent application range
With improve etc., should all still fall within the scope of the patent of the present invention.
Claims (4)
1. a kind of strong shut-off valve peculiar to vessel of leakproofness, it is characterised in that：Including valve body, valve deck, valve rod, handwheel, valve stem nut, fill out
Expect gland, airtight and watertight padding, seal receptacle, flap, valve seat, elastic sealing element, cyclic spring sealing block, spring, the first filter screen and
Anti-blocking plug assembly is provided with water inlet, water outlet and flow-through opening in the valve body, and the water inlet and the water outlet pass through
The flow-through opening connects, and the valve deck is arranged on the valve body, and the valve deck and the valve body pass through the first bolt spiral shell
Female component is connected with each other, and the valve rod is arranged in the valve deck and the valve body, and the handwheel is arranged in the upper of the valve rod
End, the flap are fixed at the lower end of the valve rod, and the valve stem nut is set on the valve rod, the valve stem nut
It is fixedly mounted in the valve deck, the airtight and watertight padding and the seal receptacle are arranged between the valve rod and the valve deck, institute
It states gland to be set on the valve rod, the gland lower end is in contact with the airtight and watertight padding, the gland
It is connected by second bolt and nut component with the valve deck, the valve seat is arranged in the flow-through opening, the valve
Installation groove is provided on seat, the spring and the Annular elastomeric seals are arranged in the installation groove, the spring
One end is connect with the valve seat, and the other end is connect with the Annular elastomeric seals, and the elastic sealing element is fixed at institute
It states on flap, the elastic sealing element matches setting with the installation groove, and first filter screen is arranged in the water inlet
Place, the water inlet are provided with circulation passage, and the anti-blocking plug assembly is arranged in the circulation passage, the anti-clogging group
Part includes the second filter screen, third filter screen, limited block, blocking ball and compressed spring, second filter screen and the third
Filter screen is successively set on the input end of the circulation passage, and the limited block is fixed in the circulation passage, described
Compressed spring one end is fixedly mounted on the limited block, and the other end is connected with the blocking ball.
2. the strong shut-off valve peculiar to vessel of leakproofness according to claim 1, it is characterised in that：The limited block is provided with 4,
4 limited blocks are evenly distributed on the top and bottom of the circulation passage, the blocking ball and compressed spring setting
Between 4 limited blocks.
3. the strong shut-off valve peculiar to vessel of leakproofness according to claim 1, it is characterised in that：The flap lower face is in circular cone
Face, the valve seat inner face are in that the taper surface being adapted to is sealed with it.
4. the strong shut-off valve peculiar to vessel of leakproofness according to claim 1, it is characterised in that：The end of the elastic sealing element
In smooth arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380994.2A CN108758025A (en) | 2018-04-25 | 2018-04-25 | A kind of shut-off valve peculiar to vessel that leakproofness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380994.2A CN108758025A (en) | 2018-04-25 | 2018-04-25 | A kind of shut-off valve peculiar to vessel that leakproofness is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108758025A true CN108758025A (en) | 2018-11-06 |
Family
ID=64011825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810380994.2A Pending CN108758025A (en) | 2018-04-25 | 2018-04-25 | A kind of shut-off valve peculiar to vessel that leakproofness is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108758025A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175560A (en) * | 2021-06-15 | 2021-07-27 | 浙江金隆铜业股份有限公司 | Valve body with pre-filter |
-
2018
- 2018-04-25 CN CN201810380994.2A patent/CN108758025A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175560A (en) * | 2021-06-15 | 2021-07-27 | 浙江金隆铜业股份有限公司 | Valve body with pre-filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181106 |