CN208348556U - A kind of ball valve of interior reflux - Google Patents

A kind of ball valve of interior reflux Download PDF

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Publication number
CN208348556U
CN208348556U CN201820659494.8U CN201820659494U CN208348556U CN 208348556 U CN208348556 U CN 208348556U CN 201820659494 U CN201820659494 U CN 201820659494U CN 208348556 U CN208348556 U CN 208348556U
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China
Prior art keywords
sphere
valve
inner cavity
water
valve body
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CN201820659494.8U
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Chinese (zh)
Inventor
石保中
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SHANGHAI HUGONG VALVE FACTORY (GROUP) CO Ltd
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SHANGHAI HUGONG VALVE FACTORY (GROUP) CO Ltd
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Abstract

The utility model discloses the ball valves to flow back in one kind, including valve body, sphere and valve, water outlet is provided on the left of the valve body, and runner is provided on the right side of water outlet, the sphere installation is in the bosom of valve body, and the inside of sphere is fixed with inner cavity, the inside of the sphere is equipped with spool, and spool is fixedly arranged above bearing, valve rod is installed above the bearing, and handle is provided on the right side of valve rod, the valve is installed on the two sides of sphere, and the upper and lower ends of valve are fixed with gasket, water proof baffle is installed in the middle part of the runner, the valve body has side that water inlet is arranged, baffle is installed on the outside of the sphere, and the surface of sphere is provided with hydrophobic layer, sealing ring is fixed on the outside of the inner cavity.The ball valve of the interior reflux is provided with water proof baffle, and water proof baffle can play interception function to the medium of reflux to the convex structure in water inlet side and avoid medium back flow.

Description

A kind of ball valve of interior reflux
Technical field
The utility model relates to ball valve technical field, specially a kind of interior ball valve to flow back.
Background technique
Ball valve refers to making opening and closing element with the sphere with circular through hole, and sphere is rotated with valve rod, to realize switching motion Valve is the control unit in pipeline fluid conveying system, can be used for the adjusting and control of fluid, for change access section and Flow direction of medium is broadly divided into the types such as pneumatic ball valve, electrical ball valve, manual ball valve, has water conservancy diversion, cut-off, throttling, shunting Etc. functions, have the characteristics that wear-resisting, good seal performance long service life, therefore ball valve is using more and more extensive.
Existing ball valve is in closure, due to the suddenly change of valve pressure at both sides, and closes the time delays of valve, is easy Reflux is generated, the pressure that medium back flow generates be easy to cause Pipeline damage, therefore generally can not the reflux of application valve body interior media The problem of, need to install check-valves with the use of increasing cost, and the general sealing effect of ball valve on the market is bad, for this purpose, It is proposed that the ball valve to flow back in a kind of.
Utility model content
The purpose of this utility model is to provide the ball valves to flow back in one kind, to solve to propose in above-mentioned background technique Existing ball valve in closure, due to the suddenly change of valve pressure at both sides, and close the time delays of valve, be easy to produce back Stream, the pressure that medium back flow generates be easy to cause Pipeline damage, thus generally can not the reflux of application valve body interior media the problem of, Need to install check-valves with the use of increasing cost, and the problem that the general sealing effect of ball valve on the market is bad.
To achieve the above object, the utility model provides the following technical solutions: the ball valve to flow back in a kind of, including valve Body, sphere and valve are provided with water outlet on the left of the valve body, and are provided with runner on the right side of water outlet, the sphere peace Bosom loaded on valve body, and the inside of sphere is fixed with inner cavity, the inside of the sphere is equipped with spool, and spool is upper Side is fixed with bearing, valve rod is equipped with above the bearing, and handle is provided on the right side of valve rod, the valve is installed on ball The two sides of body, and the upper and lower ends of valve are fixed with gasket, and water proof baffle is equipped in the middle part of the runner, the valve body Have side that water inlet is set, baffle be installed on the outside of the sphere, and the surface of sphere is provided with hydrophobic layer, the inner cavity it is outer Side is fixed with sealing ring, upper groove is provided with above the water proof baffle, and the inner right side of upper groove is fixed with limited block, It is fixed with reset spring below the water proof baffle, and is provided with lower groove below reset spring.
Preferably, water outlet hollow form structure cylindrical, and the central axes of water outlet and water inlet about valve body It is symmetrical.
Preferably, the inner cavity is hollow spheres structure, and the diameter of inner cavity is less than the diameter of sphere.
Preferably, the symmetrical centre of the spool and the symmetrical centre of inner cavity coincide, and are weldering between spool and bearing It connects.
Preferably, the water proof baffle is to the convex structure in water inlet side, and water proof baffle is only capable of to water outlet side To opening.
Preferably, sealing ring structure in a ring, and sealing ring and the lateral surface of inner cavity fit closely.
Compared with prior art, the utility model has the beneficial effects that the ball valve of the interior reflux is provided with water proof gear Piece, water proof baffle can play interception function to the medium of reflux to the convex structure in water inlet side and avoid medium back flow, Then spool can make medium be divided into two parts when passing through spool, so that medium is formed in camber line of the inner cavity along inner cavity Interior reflux, and the outflow of backward water outlet, reset spring return to water proof baffle upper end in upper groove, the medium of reflux to every Position-limiting action is played to water proof baffle by limited block when water baffle generates pressure, water proof baffle is avoided to generate to the direction of water inlet Displacement, to prevent the reflux of medium, water inlet is used for the inflow of medium, and water outlet is used for the outflow of medium, and runner makes It obtains water inlet to be connected with the inside of water outlet, convenient for the flowing of medium, inner cavity is that hollow spheres structure can make medium Pass through, sphere is connected by bearing with valve rod, is allowed handle that the rotation of sphere is driven to play valve body and is opened and be closed Effect, baffle and gasket can play the role of interception and sealing avoids medium from penetrating into the internal interstices of valve body, sealing Circle can play the role of sealing, prevent from continuing there are flowing out after valve body is closed, when hydrophobic layer can be avoided medium and be attached to The surface of sphere has self-cleaning effect.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is side structure schematic view at the utility model runner;
Fig. 3 is the utility model water proof baffle partial enlargement structural representation.
In figure: 1, valve body, 2, water outlet, 3, runner, 4, sphere, 5, inner cavity, 6, spool, 7, bearing, 8, valve rod, 9, hand Handle, 10, gasket, 11, valve, 12, water proof baffle, 13, water inlet, 14, baffle, 15, hydrophobic layer, 16, sealing ring, 17, on Groove, 18, limited block, 19, reset spring, 20, lower groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: the ball valve to flow back in a kind of, including valve body 1, sphere 4 and valve 11, the left side of valve body 1 is provided with water outlet 2, and the right side of water outlet 2 is provided with runner 3, and water outlet 2 is in Cylindrical, hollow shape structure, and water outlet 2 is symmetrical about the central axes of valve body 1 with water inlet 13, sphere 4 is installed on valve body 1 Bosom, and the inside of sphere 4 is fixed with inner cavity 5, and inner cavity 5 is hollow spheres structure, and the diameter of inner cavity 5 is less than ball The diameter of body 4, inner cavity 5 are that hollow spheres structure can make medium pass through, and the diameter that the diameter of inner cavity 5 is less than sphere 4 can So that inner cavity 5 is set to the inside of sphere 4, the inside of sphere 4 is equipped with spool 6, and spool 6 is fixedly arranged above bearing 7, valve The symmetrical centre of core 6 and the symmetrical centre of inner cavity 5 coincide, and are welding, the symmetrical centre of spool 6 between spool 6 and bearing 7 Coinciding with the symmetrical centre of inner cavity 5 can make medium be divided into two parts when through spool 6, so that medium is in inner cavity 5 Camber line of the portion along inner cavity 5 forms interior reflux, installation can be made more to fasten for welding between spool 6 and bearing 7, so that spool 6, Bearing 7 and 4 being integrally formed structure of sphere, structure is even closer to be hardly damaged, and the top of bearing 7 is equipped with valve rod 8, and valve rod 8 right side is provided with handle 9, and valve 11 is installed on the two sides of sphere 4, and the upper and lower ends of valve 11 are fixed with gasket 10, The middle part of runner 3 is equipped with water proof baffle 12, and water proof baffle 12 is to the convex structure in 13 side of water inlet, and water proof baffle 12 It is only capable of opening to 2 direction of water outlet, water proof baffle 12 can play the medium of reflux to the convex structure in 13 side of water inlet Medium back flow is avoided to interception function, water proof baffle 12 is only capable of opening the proper flow for being convenient for medium, valve body to 2 direction of water outlet 1 have side be arranged water inlet 13, the outside of sphere 4 is equipped with baffle 14, and the surface of sphere 4 is provided with hydrophobic layer 15, inner cavity 5 Outside be fixed with sealing ring 16, the structure in a ring of sealing ring 16, and sealing ring 16 and the lateral surface of inner cavity 5 fit closely is close Seal 16 can play the role of sealing, prevent from continuing there are flowing out after valve body 1 is closed, the outside of sealing ring 16 and inner cavity 5 Face fit closely so that sealing effect more preferably, the top of water proof baffle 12 is provided with upper groove 17, and the inside of upper groove 17 is right Side is fixed with limited block 18, and the lower section of water proof baffle 12 is fixed with reset spring 19, and the lower section of reset spring 19 is provided with down Groove 20.
Working principle: for the ball valve of this kind of interior reflux, rotational handle 9 first when use, handle 9 is with ovable valve stem 8 and bearing 7 rotation, to drive the rotation of sphere 4 so that be directed at valve 11 at runner 3, then water from water inlet 13 into Entering, water impacts water proof baffle 12 when passing through runner 3, so that water proof baffle 12 tilts to the left, convenient for passing through for water flow, In the flow process of water, gasket 10 can play the role of interception and sealing avoids medium from penetrating into the internal interstices of valve body 1, When water flow passes through when the hydrophobic layer 15 on the surface of sphere 4, the surface that water flow is attached to sphere 4 can be avoided, passing through water flow In the process, water proof baffle 12 can be avoided the reflux of water, and when water reflux, reset spring 19 returns to 12 upper end of water proof baffle In upper groove 17, water flow generates pressure to water proof baffle 12, and the upper end for blocking water proof baffle 12 from limited block 18 is avoided to water inlet Mouthfuls 13 direction generates displacement, prevent medium is from flowing back, then medium is divided when passing through spool 6 by spool 6 for two parts, Camber line inside inner cavity 5 along inner cavity 5 forms interior reflux, continues to flow at water outlet 2, and last water flow passes through behind inner cavity 5 from going out It is flowed out at the mouth of a river 2, when needing to close valve 11 after the completion of use, rotational handle 9, the rotation of drive sphere 4 can make valve again Body 1 is closed, and the sealing ring 16 of the lateral surface of inner cavity 5 fits with 1 inner wall of valve body at this time, plays sealing function, completes like this The use process of the ball valve to flow back in entire.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. the ball valve to flow back in a kind of, including valve body (1), sphere (4) and valve (11), it is characterised in that: the valve body (1) it is provided on the left of water outlet (2), and is provided with runner (3) on the right side of water outlet (2), the sphere (4) is installed on valve body (1) bosom, and the inside of sphere (4) is fixed with inner cavity (5), the inside of the sphere (4) is equipped with spool (6), and Spool (6) is fixedly arranged above bearing (7), is equipped with valve rod (8) above the bearing (7), and the right side setting of valve rod (8) Have handle (9), the valve (11) is installed on the two sides of sphere (4), and the upper and lower ends of valve (11) are fixed with gasket (10), it is equipped with water proof baffle (12) in the middle part of the runner (3), the valve body (1) has side that water inlet (13) are arranged, described It is equipped on the outside of sphere (4) baffle (14), and the surface of sphere (4) is provided with hydrophobic layer (15), the outside of the inner cavity (5) It is fixed with sealing ring (16), is provided with upper groove (17) above the water proof baffle (12), and the inside of upper groove (17) is right Side is fixed with limited block (18), is fixed with reset spring (19) below the water proof baffle (12), and reset spring (19) Lower section is provided with lower groove (20).
2. a kind of interior ball valve to flow back according to claim 1, it is characterised in that: the water outlet (2) is in cylinder Shape hollow form structure, and water outlet (2) and water inlet (13) are symmetrical about the central axes of valve body (1).
3. a kind of interior ball valve to flow back according to claim 1, it is characterised in that: the inner cavity (5) is hollow Chondritic, and the diameter of inner cavity (5) is less than the diameter of sphere (4).
4. it is according to claim 1 it is a kind of in the ball valve that flows back, it is characterised in that: the spool (6) it is symmetrical in The heart and the symmetrical centre of inner cavity (5) coincide, and are welding between spool (6) and bearing (7).
5. it is according to claim 1 it is a kind of in the ball valve that flows back, it is characterised in that: the water proof baffle (12) into The convex structure in the mouth of a river (13) side, and water proof baffle (12) is only capable of opening to water outlet (2) direction.
6. a kind of interior ball valve to flow back according to claim 1, it is characterised in that: the sealing ring (16) is in a ring Structure, and sealing ring (16) and the lateral surface of inner cavity (5) fit closely.
CN201820659494.8U 2018-05-04 2018-05-04 A kind of ball valve of interior reflux Active CN208348556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820659494.8U CN208348556U (en) 2018-05-04 2018-05-04 A kind of ball valve of interior reflux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820659494.8U CN208348556U (en) 2018-05-04 2018-05-04 A kind of ball valve of interior reflux

Publications (1)

Publication Number Publication Date
CN208348556U true CN208348556U (en) 2019-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820659494.8U Active CN208348556U (en) 2018-05-04 2018-05-04 A kind of ball valve of interior reflux

Country Status (1)

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CN (1) CN208348556U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109954651A (en) * 2019-04-01 2019-07-02 马强 A kind of soybean processing pretreatment unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109954651A (en) * 2019-04-01 2019-07-02 马强 A kind of soybean processing pretreatment unit

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