CN206130147U - Clean water valve sealing device of pump is kept apart to water - Google Patents
Clean water valve sealing device of pump is kept apart to water Download PDFInfo
- Publication number
- CN206130147U CN206130147U CN201621128318.9U CN201621128318U CN206130147U CN 206130147 U CN206130147 U CN 206130147U CN 201621128318 U CN201621128318 U CN 201621128318U CN 206130147 U CN206130147 U CN 206130147U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- head
- external diameter
- sealing ring
- 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.)
- Expired - Fee Related
Links
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model provides a clean water valve sealing device of pump is kept apart to water, relates to a water pump seal device, the device is including valve rod, case, sealing washer and valve body flange four bibliographic categories branch, the valve rod includes valve rod main shaft, valve rod neck and valve head, is the cylinder, and the valve rod main shaft lies in valve rod upper portion, and valve head position in valve rod lower extreme, valve rod neck lie in between valve rod main shaft and the valve head, and valve rod owner outside diameter of shaft is the same with the external diameter of valve head, and the external diameter of valve rod neck is lighter than the external diameter of valve head, the case includes valve core head, valve element and case tail, and valve core head is the cylinder, lies in the case upper end, and two open slots that the shape is the same, the size is different are offered at its center, and the great open slot of size lies in valve core head's lower extreme. The device seal structure has good sealed effect and elasticity for the conical surface is sealed, and simultaneously, the sealing washer provides great buffering, improves clean water valve's life to reduced water and kept apart the noise of clean water valve work in the pump, improved water and kept apart the on -the -spot operational environment of pump.
Description
Technical field
It is related to a kind of water pump gland, the purge valve sealing dress of more particularly to a kind of water isolation pump in this utility model
Put.
Background technology
Water isolation pump be using clear water as power source come realize slurry cyclically for slurry and plasma discharge, purge valve is that its is important
One of control valve, during work, need purge valve continually to open and close, just can guarantee that water isolation pump runs well.
In Practical Project, valve element in purge valve and sealing ring have that quick abrasion, service life is short and the failure phenomenon such as sealing face leakage,
Cause the purge valve cannot normal work.
The content of the invention
Purpose in this utility model is the clear water valve sealing means for providing a kind of water isolation pump, the device sealing structure
For conical surface seal, with good sealing effectiveness and elasticity, meanwhile, sealing ring provides larger buffering, improves purge valve
Service life, and the noise of purge valve work in water isolation pump is reduced, improve the working environment at water isolation pump scene.
Purpose in this utility model is achieved through the following technical solutions:
A kind of clear water valve sealing means of water isolation pump, described device includes valve rod, valve element, sealing ring and valve body connection method
Blue four parts;Valve rod includes valve rod main shaft, valve rod cervical region and valve head, is cylinder, and valve rod main shaft is located at valve rod top, valve head
Positioned at valve rod lower end, valve rod cervical region is located between valve rod main shaft and valve head, and the external diameter of valve rod main shaft is identical with the external diameter of valve head, valve
External diameter of the external diameter of bar cervical region less than valve head;Valve element includes valve core head, valve element main body and valve element tail, and valve core head is cylinder, position
In valve element upper end, its center opens up two open slots that shape is identical, size is different, and larger-size open slot is located at valve core head
Lower end, its width and height respectively with the external diameter of valve head and highly identical, the rwo forms the relation that is connected, and size is less
Open slot be located at the upper end of valve core head, its width and highly respectively with the external diameter of valve rod cervical region and highly identical, the rwo
Formation is connected relation;Valve element main body is located at the middle part of valve element, is shaped as rounding frustum, and its center is heavy with the center of valve core head
Close, its outer surface is cone;Valve element tail be cylinder, bottom;Sealing ring includes primary seal body, skeleton and connection bump,
Closed ring is, cross section is right-angled trapezium, its hypotenuse is located at sealing ring medial surface, size and the valve element main body at inclination angle
Face angle is identical;The annular inner conical surface that the hypotenuse is formed is the sealing core of the device;Skeleton is embedded in primary seal body
Centre, with primary seal body by integral forming, shape of cross section is C fonts;Connection bump is located at the bottom of sealing ring, has two,
Its cross section is positive isosceles trapezoid;Valve body adpting flange center is formed with a hole, the external diameter of the internal diameter in this hole than the valve element tail of valve element
Greatly;Valve body adpting flange upper surface is provided with two annular caulking grooves, the shape of cross section and size of the caulking groove and the connection of sealing ring
Two raised positive isosceles trapezoids are identical, and the connection bump of sealing ring is poured in two annular caulking grooves, with valve body adpting flange
It is integrated.
A kind of clear water valve sealing means of described water isolation pump, form annular recessed between the valve rod main shaft and valve head
Groove.
A kind of clear water valve sealing means of described water isolation pump, the outside of the opening of the C fonts to sealing ring.
There is the round platform of annular a kind of clear water valve sealing means of described water isolation pump, the outside of the annular caulking groove, its
Internal diameter is identical with the external diameter of the primary seal body of sealing ring, and its height is also highly identical with the primary seal body of sealing ring.
A kind of clear water valve sealing means of described water isolation pump, the valve body adpting flange it is circumferentially uniform several
Threaded connection hole, the hole is connected with valve body.
Advantage in this utility model is with effect:
Clear water valve sealing means in this utility model, using conical surface seal, increase the sealing surface of valve element and sealing ring
Product, improves the service life of sealing ring and the reliability of sealing, enhances sealing effectiveness;Sealing ring and valve body adpting flange one
Body structure, increased the tightness of sealing member;When purge valve is closed, the valve element of purge valve and sealing ring directly contact can be with
Avoid the rigid shock of valve element and valve body, there is provided larger buffering, thus greatly increase the service life of purge valve,
And the operating noise of water isolation pump is reduced, improve working environment.
Description of the drawings
Fig. 1 water isolation pump clear water valve sealing means main sectional views;
Fig. 2 water isolation pump clear water valve sealing means front views;
The axonometric chart of Fig. 3 water isolation pump clear water valve cores;
The cross-sectional view of Fig. 4 water isolation pump clear water valve seals.
The implication of number designation in figure:1- valve rods, 2- valve elements, 3- sealing rings, 4- valve body adpting flanges, 11 main shafts, 12
Valve rod cervical region, 13 valve heads, 21- valve core heads, 22- valve element main bodys, 23- valve element tails, 31- primary seal bodies, 32- skeletons, 33- connections are convex
Rise.
Specific embodiment
With reference to embodiment to being described in detail in this utility model.
As depicted in figs. 1 and 2, this utility model includes valve rod 1, valve element 2, sealing ring 3 and valve body adpting flange 4.Valve
Bar 1 is made up of valve rod main shaft 11, valve rod cervical region 12 and valve head 13, and they are all cylinder, and valve rod main shaft 11 is located on valve rod 1
Portion, valve head 13 is located at the lower end of valve rod 1, and valve rod cervical region 12 is located between valve rod main shaft 12 and valve head 13, the external diameter of valve rod main shaft 11
Identical with the external diameter of valve head 13, the external diameter of valve rod cervical region 12 is less than the external diameter of valve head 13.So in valve rod main shaft 11 and valve head 13
Between form annular groove.
As shown in Figure 1, Figure 2 and Figure 3, valve element 2 is made up of valve core head 21, valve element main body 22 and valve element tail 23, valve core head 21
For cylinder, positioned at the upper end of valve element 2, wherein the heart opens up two open slots that shape is identical, size is different, larger-size to open
Mouth groove is located at the lower end of valve core head 21, and its width and height are equal respectively with the external diameter of valve head 13 in valve rod 1 and height, the rwo
Formation is connected relation, and the less open slot of size is located at the upper end of valve core head 21, its width and highly respectively with valve rod neck
The external diameter in portion 12 is identical respectively with height, and the rwo also forms the relation of being connected;Valve element main body 22 be rounding frustum, its appearance
Face is sealing surface;Valve element tail 23 is cylinder, and it act as valve element guiding.
As shown in Figure 1 and Figure 4, sealing ring 3 is made up of primary seal body 31, skeleton 32 and the part of connection bump 33 3, they
Equal closed ring, primary seal body 31 adopts polytetrafluoroethylmaterial material, and cross section is right-angled trapezium, and its hypotenuse is located at sealing ring inner side
Face, the size at inclination angle should be identical with the face angle of valve element main body 22;The annular inner conical surface that the hypotenuse is formed is the device
Sealing core;When purge valve is closed, the conical surface forms sealing surface with the conical surface of valve element main body 22.Can increase valve element with
The contact area of sealing ring, improves the reliability of sealing.Skeleton 32 is embedded in the inside of primary seal body 31, with primary seal body 31 1
Body formed, shape of cross section is C fonts, and the opening of C fonts points to the outside of sealing ring 3, and material is spring steel, its Main Function
There is provided for valve element 2 and support and buffer, it is to avoid the rigid shock of valve element and valve body, so as to improve the service life of valve element 2;Connection
Raised 33 bottoms for being located at sealing ring 3, cross section is two positive isosceles trapezoids.
As depicted in figs. 1 and 2, the center of valve body adpting flange 4 is formed with a hole, and the internal diameter in this hole should be than the valve element of valve element 2
The big 1mm of external diameter of afterbody 23;Be provided with two annular caulking grooves in the upper surface of valve body adpting flange 4, the shape of cross section of the caulking groove and
Size is identical with two of the connection bump 33 of sealing ring positive isosceles trapezoids;There is the round platform of annular in the outside of the annular caulking groove,
Its internal diameter is identical with the external diameter of the primary seal body 33 of sealing ring 3, and its height is also highly identical with the primary seal body of sealing ring, close
Seal 3 is integrated with the cast of valve body adpting flange 4, to increase the connection reliability of sealing ring 3 and valve body adpting flange 4;
Circumferentially uniform several threaded connection holes of valve body adpting flange 4, the hole is connected with valve body.
When purge valve is opened in water isolation pump, valve rod 1 is for linear motion upwards with movable valve plug 2, now valve element 2 and sealing ring
3 separate, and clear water passes through the valve body, it is ensured that the water supply of water isolation pump needs.When water isolation pump purge valve is closed, valve rod 1 drives
Valve element 2 is for linear motion downwards, when the male cone (strobilus masculinus) of the valve element main body 22 of valve element 2 is contacted with the inner conical surface of seal 31, valve rod 1
Stop motion, at this moment valve element 2 contact with sealing ring 3, formed sealing surface, it is to avoid the leakage phenomenon of purge valve.
Claims (5)
1. clear water valve sealing means of a kind of water isolation pump, it is characterised in that described device include valve rod, valve element, sealing ring and
The part of valve body adpting flange four;Valve rod includes valve rod main shaft, valve rod cervical region and valve head, is cylinder, and valve rod main shaft is located at valve
Bar top, valve head is located at valve rod lower end, and valve rod cervical region is located between valve rod main shaft and valve head, external diameter and the valve head of valve rod main shaft
External diameter is identical, and the external diameter of valve rod cervical region is less than the external diameter of valve head;Valve element includes valve core head, valve element main body and valve element tail, valve core head
For cylinder, positioned at valve element upper end, its center opens up two open slots that shape is identical, size is different, larger-size opening
Groove is located at the lower end of valve core head, its width and highly respectively with the external diameter of valve head and highly identical, the rwo formation is connected
Relation, the less open slot of size is located at the upper end of valve core head, its width and highly respectively with the external diameter and height of valve rod cervical region
Identical, the rwo also forms the relation of being connected;Valve element main body be located at valve element middle part, be shaped as rounding frustum, its center with
The center superposition of valve core head, its outer surface is cone;Valve element tail be cylinder, bottom;Sealing ring includes primary seal body, bone
Frame and connection bump, are closed ring, and cross section is right-angled trapezium, its hypotenuse be located at sealing ring medial surface, inclination angle it is big
It is little identical with the face angle of valve element main body;The annular inner conical surface that the hypotenuse is formed is the sealing core of the device;Skeleton is embedding
Enter in the centre of primary seal body, with primary seal body by integral forming, shape of cross section is C fonts;Connection bump is located at sealing ring
Bottom, has two, and its cross section is positive isosceles trapezoid;Valve body adpting flange center is formed with a hole, and the internal diameter in this hole compares valve element
Valve element tail external diameter it is big;Valve body adpting flange upper surface is provided with two annular caulking grooves, the shape of cross section and size of the caulking groove
Identical with two of the connection bump of sealing ring positive isosceles trapezoids, the connection bump of sealing ring is poured in two annular caulking grooves,
It is integrated with valve body adpting flange.
2. a kind of clear water valve sealing means of water isolation pump according to claim 1, it is characterised in that the valve rod main shaft
Annular groove is formed between valve head.
3. clear water valve sealing means of a kind of water isolation pump according to claim 1, it is characterised in that the C fonts
The outside being open to sealing ring.
4. a kind of clear water valve sealing means of water isolation pump according to claim 1, it is characterised in that the annular caulking groove
Outside have the round platform of annular, its internal diameter is identical with the external diameter of the primary seal body of sealing ring, and it is highly also close with the master of sealing ring
Seal the highly identical of body.
5. a kind of clear water valve sealing means of water isolation pump according to claim 1, it is characterised in that the valve body connection
Circumferentially uniform several threaded connection holes of flange, the hole is connected with valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621128318.9U CN206130147U (en) | 2016-10-17 | 2016-10-17 | Clean water valve sealing device of pump is kept apart to water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621128318.9U CN206130147U (en) | 2016-10-17 | 2016-10-17 | Clean water valve sealing device of pump is kept apart to water |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206130147U true CN206130147U (en) | 2017-04-26 |
Family
ID=58573747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621128318.9U Expired - Fee Related CN206130147U (en) | 2016-10-17 | 2016-10-17 | Clean water valve sealing device of pump is kept apart to water |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206130147U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106286868A (en) * | 2016-10-17 | 2017-01-04 | 沈阳大学 | A kind of purge valve sealing device of water isolation pump |
-
2016
- 2016-10-17 CN CN201621128318.9U patent/CN206130147U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106286868A (en) * | 2016-10-17 | 2017-01-04 | 沈阳大学 | A kind of purge valve sealing device of water isolation pump |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3742976A (en) | Valves | |
CN206130147U (en) | Clean water valve sealing device of pump is kept apart to water | |
CN103615552A (en) | Direct-opening multi-seal angle stop valve | |
CN208281556U (en) | A kind of diaphragm valve | |
CN203892634U (en) | Spherical check valve | |
CN106286868A (en) | A kind of purge valve sealing device of water isolation pump | |
CN201196277Y (en) | T type three-way ball valve | |
CN104329478A (en) | Axial expanding type gate valve with double valve cores | |
CN108050284A (en) | Shut-off valve | |
CN106763817A (en) | A kind of dark bar seal gate valve of rocker-type | |
CN207999523U (en) | A kind of wear resistant three-way fixing ball valve | |
CN206487882U (en) | Leakage-free valve | |
CN207893217U (en) | A kind of novel soft sealing ball valve | |
CN206274077U (en) | A kind of stop valve of good airproof performance | |
CN205559818U (en) | Three eccentric half -ball valve of high temperature modification | |
CN206503948U (en) | With the leakage-free valve for adjusting flow structure | |
CN204300411U (en) | A kind of Novel main moving sealed ball valve | |
CN211852836U (en) | Novel butterfly valve | |
CN203868365U (en) | Quick-opening stop valve | |
CN206830837U (en) | A kind of water-drainage solenoid valve | |
CN205689767U (en) | A kind of stop valve | |
CN204738782U (en) | Piston float collar float shoe | |
CN204201105U (en) | A kind of multi-sealed stop valve | |
CN106224634A (en) | A kind of can the gate valve of replacing valve stem packing ring with pressure | |
CN206668993U (en) | A kind of butterfly valve for preventing unilateral compression seepage and top leaky |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20171017 |
|
CF01 | Termination of patent right due to non-payment of annual fee |