CN207814501U - Sewage disposal ball-valve dedicated - Google Patents

Abstract

The utility model is related to a kind of ball valves, more particularly to a kind of sewage disposal ball-valve dedicated, including valve body, valve body includes valve chamber, core is equipped in valve chamber, valve chamber both ends are respectively equipped with water inlet end, water outlet, are equipped with the seal washer being close to core surface on the water inlet end of valve chamber, water outlet, the core outer surface be equipped with can be rotated with core and expose water inlet end, water outlet groove.One purpose of the utility model is to provide a kind of sewage disposal ball-valve dedicated, has the characteristics that avoid enter into the sewage impurity in core and the fit clearance of sealing ring and destroys leakproofness.The utility model has the advantages that：Ball-valve structure is simple, easily fabricated, and it is good to seal water resistance；Suitable for severe sewage transport environment, can in draining-off sewage impurity leakproofness between core and seal washer interference, and suffered frictional resistance in core rotation process can be reduced.

Description

Sewage disposal ball-valve dedicated

Technical field

The utility model is related to a kind of ball valve, more particularly to a kind of sewage disposal ball-valve dedicated.

Background technology

Ball valve（ball valve）, standard GB/T21465-2008《Valve term》Defined in be：Opening and closing element（Sphere）By Valve rod drives, and the valve to rotate around ball valve axis.Also it can be used as the adjusting and control of fluid, wherein sealing V-type firmly There is very strong shearing force, especially suitable for fibre-bearing, micro- between its V-type core of ball valve and the metal seat valve of pile-up welding hard alloy The medium of small fixed pellet etc..And multi-pass ball valve not only can flexibly be controlled on pipeline medium interflow, shunting and flow direction cut It changes, while also can close any channel and other two channel is made to be connected.

Notification number is that the Chinese utility model of CN205824249U discloses a kind of ball valve, including valve body, valve body include into The mouth of a river, water outlet, valve chamber, valve chamber are equipped with water inlet end, water outlet, and core is equipped in valve chamber, be equipped on water inlet end, water outlet with The sealing ring that core surface is close to, water inlet end are equipped with mounting groove with water outlet, and sealing ring is installed in mounting groove, in mounting groove Be additionally provided with disc spring, between disc spring and sealing ring be equipped with gasket, even if ring wear, sealing ring remain unchanged can disc spring effect it It is lower to be bonded with ball valve, the compactness between sealing ring and core is kept, the service life of ball valve is increased.The ball valve is suitable for miscellaneous Matter poor liquid conveying, but be not suitable for sewage disposal, because dirty impurities in water easily in core rotation process into goal In the fit clearance of core and sealing ring, leakproofness can be destroyed in the course of time.

Utility model content

One purpose of the utility model is to provide a kind of sewage disposal ball-valve dedicated, has and avoids enter into core and sealing The characteristics of sewage impurity in the fit clearance of circle destroys leakproofness.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of sewage disposal is special Ball valve, including valve body, valve body include valve chamber, are equipped with core in valve chamber, valve chamber both ends are respectively equipped with water inlet end, water outlet, valve chamber Water inlet end, the seal washer being close to core surface is equipped on water outlet, the core outer surface, which is equipped with, to be revolved with core Then the groove of exposing water inlet end, water outlet.

By using above-mentioned technical proposal, into ball valve sewage impurities with core rotate into core with it is close It in fit clearance between seal washer, and takes advantage of a situation into groove, a large amount of fine impurities are stored by groove, no longer to fit clearance Depths is moved, and with the rotation of follow-up core, and the impurity in groove can be cleaned by sewage.

Preferably, the core both ends are equipped with circular opening, and for both ends open in core internal run-through, each opening is other It is equipped with groove at one.

By using above-mentioned technical proposal, the water inlet end of valve chamber, water outlet can be made to all have antifouling impurities in water into goal The ability of core and seal washer fit clearance depths.

Preferably, the groove is arranged around opening.

By using above-mentioned technical proposal, the groove around opening setting is suitable to the distance of opening everywhere, when core turns When dynamic, most groove can be made to reveal to water inlet end or water outlet.

Preferably, the groove is and the concentric annular shape that is open.

By using above-mentioned technical proposal, concentric annular groove is not only easy to process with being open, moreover it is possible to ensure in core When rotation, groove can expose its major part at water inlet end or water outlet.

Preferably, the groove is less than the 1/2 of core radius at a distance from opening.

By using above-mentioned technical proposal, it is ensured that groove distance be open suitable distance, to avoid groove be located at core and The fit clearance of seal washer crosses depths, to influence to go deimpurity effect.

Preferably, convex block of the junction on the groove both sides and core surface integrally formed with protrusion core surface, Convex block extends along the setting direction of groove.

By using above-mentioned technical proposal, on the one hand the convex block of groove both sides can stop that impurity enters core and seal washer Fit clearance depths, on the other hand can be improved sealed waterproof effect.

Preferably, the convex block is wave crest shape along the section in recess width direction.

It is round and smooth at the top of the convex block of wave crest shape by using above-mentioned technical proposal, when core rotates, convex block and gasket It is smaller to enclose frictional resistance, it is more laborsaving to open and close ball valve.

Preferably, the water inlet end, water outlet are equipped with mounting groove, and the slot bottom pad of mounting groove is equipped with disc spring, seal washer Between disc spring and core.

By using above-mentioned technical proposal, mounting groove can be such that seal washer, disc spring is accurately positioned, and improve leakproofness indirectly.

In conclusion the utility model has the advantages that：

1. ball-valve structure is simple, easily fabricated, and it is good to seal water resistance；

2. being suitable for severe sewage transport environment, impurity can be sealed between core and seal washer in draining-off sewage The interference of property, and suffered frictional resistance in core rotation process can be reduced.

Description of the drawings

Fig. 1 is the overall structure diagram of sewage disposal ball-valve dedicated；

Fig. 2 is the vertical view of sewage disposal ball-valve dedicated；

Fig. 3 is sectional view along A-A in Fig. 2；

Fig. 4 is the internal structure schematic diagram of turncap；

Fig. 5 is core and the connection diagram of valve rod；

Fig. 6 is the vertical view of Fig. 5；

Fig. 7 is the B-B direction sectional view of Fig. 6；

Fig. 8 is the portions A enlarged drawing in Fig. 7.

In figure, 1, valve body；2, valve chamber；21, water inlet end；22, water outlet；3, core；31, slot；4, valve rod；41, inserted block； 5, arc block；6, seal washer；7, groove；8, it is open；9, convex block；10, mounting groove；11, disc spring；12, turncap；121, card slot； 122, otic placode.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment

A kind of sewage disposal ball-valve dedicated, as shown in Figure 1, Figure 3, the type ball valve include valve body 1, and valve body 1 is a threeway Pipe, three-way pipe center have hemisphere jut, are valve chamber 2 inside hemisphere jut, valve chamber 2 is built-in, and there are one spherical cores 3.Threeway Pipeline in pipe for conveying sewage is the straight pipeline that both ends communicate, and valve rod 4, valve are inserted in the pipeline communicated vertical with straight pipeline 4 bottom of bar is integrally formed with 3 top of core or removable plug, rotary valve rod 4 can drive core 3 to rotate.

As Figure 1 and Figure 4, the pipeline top of valve rod 4 is inserted in valve body 1 integrally formed with arc block 5, the arc of arc block 5 The 1/4 of a length of pipe circumference length, and one end of arc block 5 and the straight pipeline length-wise axis of valve body 1 are generally aligned in the same plane Interior, the other end of arc block 5 is generally aligned in the same plane with the straight pipeline width direction of valve body 1 by the axis at 2 center of valve chamber interior.Valve 4 top of bar is integrally formed with inserted block 41, and inserted block 41 has a pair of parallel side, and a pair of of side is about 4 top center pair of valve rod Claim, 41 bottom of inserted block and 5 upper surface flush of arc block.Turncap 12 is inserted on inserted block 41, turncap 12 has matches with 41 shape of inserted block The card slot 121 of conjunction, for 12 side of turncap integrally formed with a pair of of otic placode 122, a pair of of otic placode 122 is generally aligned in the same plane interior, otic placode 122 Inner hollow, and structural strength is improved by several partition boards 123, while having the effect of reducing materials, mitigating weight.Work as core When 3 opening 8 is aligned with the straight pipeline of valve body 1, ball valve is in open state, and sewage can be mounted on inserted block by ball valve at this time The a certain otic placode 122 of turncap 12 on 41 such as pointer is directed toward 5 end face of arc block；Core 3 is rotated by 90 °, at this time valve body 1 Straight pipeline is truncated, and such as pointer of above-mentioned otic placode 122 of turncap 12 is directed toward 5 other end of arc block.It can if valve rod 4 is with core 3 The plug connection of dismounting can mold slot 31 at 3 top of core, 4 bottom of valve rod is shaped to the shape coordinated with slot 31.

As shown in figure 3, valve chamber 2 is communicated with 1 straight pipeline both ends of valve body, 2 both sides of valve chamber and the connection of 1 straight pipeline of valve body are punished Not Wei water inlet end 21, water outlet 22,3 both sides of core offer the opening 8 at 1 straight pipeline both ends of face valve body respectively, and opening 8 is circle Shape, the interior straight hole with connection both-side opening 8 of core 3.The junction of 2 both sides of valve chamber and 1 straight pipeline of valve body, i.e., valve chamber 2 into Form mounting groove 10 at water end (W.E.) 21, water outlet 22, mounting groove 10 be from valve chamber 2 to straight pipeline at the groove 7 that is recessed, it is a pair of Mounting groove 10 is symmetrical about 1 central axes of valve body.There are one disc spring 11 and an annular sealings for placement in each mounting groove 10 Washer 6, disc spring 11 are located at the slot bottom of mounting groove 10, and seal washer 6 is between disc spring 11 and core 3, and disc spring 11 is towards ball The one side of core 3 is face of arching upward, the central pore size all same of disc spring 11, seal washer 6, core 3.Core 3 is by seal washer 6, dish Spring 11 is pressed in mounting groove 10, and disc spring 11 is made to be become by swaging, when generating gap between core 3 and mounting gasket, disc spring 11 recoverable force can compensate for the gap, to make sealing ring washer and core 3 that good sealing be kept to coordinate.

As shown in figs. 3 and 5, core 3 outer surface, which forms, can rotate with core 3 and expose water inlet end 21, water outlet 22 Groove 7,7 shape of groove are annular, and groove 7 at one are all had by each opening 8, and annular groove 7 and opening 8 are concentric.With The multiple relative rotation of core 3 and seal washer 6, the impurity in sewage can enter between core 3 and the cooperation of seal washer 6 In gap, subsequently into being stored in groove 7, when the rotation of core 3 makes water inlet end 21 or water outlet 22 of the groove 7 in valve chamber 2 When exposing, since by current scour, the impurity in groove 7 is cleared, prevents dirty impurities in water due to core 3 to reach Rotate and enter the fit clearance depths of core 3 and seal washer 6.In addition, groove 7 cannot be configured the opening 8 apart from core 3 Too far, groove 7 with opening 8 radially at a distance from should be less than 3 radius of core half, to can avoid 7 position of groove it is too deep And it influences to remove impurity effect.

As shown in Figure 5, Figure 8, without particular/special requirement, 7 inner wall of groove is round and smooth i.e. for the slot bottom of groove 7 and both sides cell wall shape Can, and the junction of 7 both sides of groove and 3 outer surface of core is equipped with the convex block 9 of 3 outer surface of protrusion core, convex block 9 and core 3 It is integrally formed, 9 length of convex block is suitable with 7 length of groove, and convex block 9 extends with the setting direction of groove 7.Along 7 width side of groove To section show that convex block 9 is wave crest shape, and 9 both sides of convex block and 7 edge of groove, the equal rounding off in 3 outer surface of core.Twice Convex block 9 in a ring is in close contact with seal washer 6, not only improves the ability that the dirty impurities in water of barrier enters fit clearance, but also Improve the leakproofness of cooperation.

The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of sewage disposal ball-valve dedicated, including valve body（1）, valve body（1）Including valve chamber（2）, valve chamber（2）It is interior to be equipped with core （3）, valve chamber（2）Both ends are respectively equipped with water inlet end（21）, water outlet（22）, valve chamber（2）Water inlet end（21）, water outlet（22）On It is equipped with and core（3）The seal washer that surface is close to（6）, it is characterized in that：The core（3）Outer surface is equipped with can be with core （3）It rotates and exposes water inlet end（21）, water outlet（22）Groove（7）.

2. sewage disposal ball-valve dedicated according to claim 1, it is characterized in that：The core（3）Both ends are equipped with circle Opening（8）, both ends open（8）In core（3）Internal run-through, it is each to be open（8）Side is equipped with groove at one（7）.

3. sewage disposal ball-valve dedicated according to claim 2, it is characterized in that：The groove（7）Around opening（8）If It sets.

4. sewage disposal ball-valve dedicated according to claim 3, it is characterized in that：The groove（7）For with opening（8）With one heart Annular shape.

5. sewage disposal ball-valve dedicated according to claim 4, it is characterized in that：The groove（7）With opening（8）Distance Less than core（3）The 1/2 of radius.

6. sewage disposal ball-valve dedicated according to claim 1, it is characterized in that：The groove（7）Both sides and core（3）Table The junction in face is integrally formed with protrusion core（3）The convex block on surface（9）, convex block（9）Along groove（7）Setting direction prolong It stretches.

7. sewage disposal ball-valve dedicated according to claim 6, it is characterized in that：The convex block（9）Along groove（7）Width side To section be wave crest shape.

8. sewage disposal ball-valve dedicated according to claim 1, it is characterized in that：The water inlet end（21）, water outlet（22） It is equipped with mounting groove（10）, mounting groove（10）Slot bottom pad be equipped with disc spring（11）, seal washer（6）Set on disc spring（11）With core （3）Between.