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 PDF

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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
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CN
China
Prior art keywords
valve
valve rod
head
external diameter
sealing ring
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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
Application number
CN201621128318.9U
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Chinese (zh)
Inventor
吴洁
张凤赐
孙萍
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Shenyang University
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Shenyang University
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Publication date
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Priority to CN201621128318.9U priority Critical patent/CN206130147U/en
Application granted granted Critical
Publication of CN206130147U publication Critical patent/CN206130147U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of clear water valve sealing means of water isolation pump
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.
CN201621128318.9U 2016-10-17 2016-10-17 Clean water valve sealing device of pump is kept apart to water Expired - Fee Related CN206130147U (en)

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

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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)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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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