CN207364318U - A kind of structure of high sealing liquid flow control ball valve easy to connection - Google Patents

A kind of structure of high sealing liquid flow control ball valve easy to connection Download PDF

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Publication number
CN207364318U
CN207364318U CN201721303492.7U CN201721303492U CN207364318U CN 207364318 U CN207364318 U CN 207364318U CN 201721303492 U CN201721303492 U CN 201721303492U CN 207364318 U CN207364318 U CN 207364318U
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China
Prior art keywords
valve
ball valve
valve chest
leak
chest
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Application number
CN201721303492.7U
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Chinese (zh)
Inventor
田洪卫
欧丹
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SUZHOU KEDI FLUID CONTROL EQUIPMENT CO Ltd
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SUZHOU KEDI FLUID CONTROL EQUIPMENT CO Ltd
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Abstract

The utility model discloses a kind of structure of the high sealing liquid flow control ball valve easy to connection, including upper valve chest and lower valve chest, ball valve is provided with the medium position of lower valve chest, the valve body top side face of ball valve, in correspondence the first leak-proof sealing pad is provided with the housing bottom circumference circle of valve chest, the valve body bottom side of ball valve, the second leak-proof sealing pad is provided with the housing central section lumen circumference circle of corresponding lower valve chest, an elasticity is additionally provided with below the pad of second leak-proof sealing pad and jacks up spring, at the outer ring of internal thread connection outlet, in correspondence external screw thread lines is uniformly provided with the outer circumference housing of valve chest, the sealed connection groove that cross sectional shape is circular ring shape is additionally provided with the top endface position of upper valve chest.The utility model causes holding sealing effect that can be all the time in whole ball valve rotation process, and service life is longer, has ensured the external effect of reality of conventional ball valve, expands the scope of application.

Description

A kind of structure of high sealing liquid flow control ball valve easy to connection
Technical field
Valve correlative technology field is the utility model is related to, is specifically a kind of high sealing liquid flow control ball valve easy to connection Structure.
Background technology
Ball valve is driven for opening and closing element by valve rod, and the valve to rotate around ball valve axis.Also it can be used for the tune of fluid Section and control, wherein there is very strong shearing between sealing its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy firmly Power, the medium especially suitable for fibre-bearing, small solid pellet etc..And multi-pass ball valve not only can flexibly control medium on pipeline Interflow, shunting and the switching of flow direction, while also can close any passage and two other passage is connected.This class valve exists It should be generally horizontally mounted in pipeline.Ball valve is divided into according to type of drive:Pneumatic ball valve, electrical ball valve, manual ball valve.But pass The ball-valve structure design of system is unreasonable, and sealing ring installation effect is bad, seepy question easily occurs, influences the sealing safety of valve Property, and conventional ball valve is during actual external pipe, and the scope of application is equally limited, it is impossible to using being directly welded to connect, it is necessary to It is improved.
Utility model content
The purpose of this utility model is to provide a kind of structure of the high sealing liquid flow control ball valve easy to connection, to solve Problem proposed in the above background technology.
To achieve the above object, the utility model provides following technical solution:
A kind of structure of high sealing liquid flow control ball valve easy to connection, including upper valve chest and lower valve chest, under described Ball valve is provided with the medium position of valve chest, ball valve core bar, institute are integrally fixedly installed at the left side wall center of the ball valve State and be provided with two O-ring seals, the ball at the position that the external diameter of rod body of ball valve core bar is in contact with the housing of lower valve chest The first leak-proof sealing pad is provided with the housing bottom circumference circle of valve chest in the valve body top side face of valve, correspondence, the ball valve The second leak-proof sealing pad is provided with the housing central section lumen circumference circle of the lower valve chest of valve body bottom side, correspondence, described second is anti- Leak and an elasticity is additionally provided with below the pad of gasket jacks up spring, the spring top that the elasticity jacks up spring is arranged on the On the pad lower surface of two leak-proof sealing pads, the spring bottom end that the elasticity jacks up spring is arranged on the inner cavity of lower valve lower housing portion On convex edge, internal thread connection entrance, the upper valve chest are provided with the bottom terminal ends lumen circumference side wall of the lower valve chest Top end lumen circumference side wall on be correspondingly arranged on internal thread connection outlet, at the outer ring of the internal thread connection outlet, External screw thread lines is uniformly provided with correspondence on the outer circumference housing of valve chest, at the top endface position of the upper valve chest It is additionally provided with the sealed connection groove that cross sectional shape is circular ring shape, the upper end of the internal thread connection entrance and the valve body cavity above it It is interconnected together, together with valve body cavity is interconnected by flowing buffer chamber with internal thread connection outlet.
As further program of the utility model:The upper valve chest is presented down to be mutually butted and connected into lower valve chest One.
As the utility model further scheme:First leak-proof sealing pad and the second leak-proof sealing pad use Soft rubber material is made.
As the utility model further scheme:The internal thread connection outlet is connected with each other position with flowing buffer chamber A guiding retainer ring is additionally provided with the circumference inner ring wall at the place of putting, the ring body of the guiding retainer ring is inward-facing to be threadedly coupled out It is arranged to tilt cone structure on the side side of mouth.
Compared with prior art, the beneficial effects of the utility model are:The utility model passes through in the single ball valve of tradition On the basis of have additional the first leak-proof sealing pad, the second leak-proof sealing pad and elasticity jack up spring, leak-proof sealing pad plays certain Preventing water leakage acts on, it is excessive once actual liquid flow velocity and when impacting gasket and break-off occur with ball valve, elasticity jacks up Spring just constantly can apply one to the second leak-proof sealing pad upwards under the action of natural resiliency power in real time in bottom Larger jack-up power effect so that holding sealing effect that can be all the time in whole ball valve rotation process so that more into The safety in utilization of the whole ball valve of guarantee of one step, service life is longer, leakproofness higher;And the sealed connection groove added and External screw thread lines can realize the being directly welded to connect effect of whole ball valve and other tube bodies, the internal thread connection outlet energy added The direct-connected effect of whole ball valve and other tube bodies is enough directly realized by, so as to extend the tube body connection side of conventional ball valve well Formula, has further ensured the external effect of reality of conventional ball valve, expands the scope of application, meets that the ball valve of higher uses need Ask.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the structure of the high sealing liquid flow control ball valve easy to connection.
Fig. 2 is the enlarged structure schematic diagram at A in a kind of structure of the high sealing liquid flow control ball valve easy to connection.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, in the utility model embodiment, a kind of knot of high sealing liquid flow control ball valve easy to connection Structure, including upper valve chest 1 and lower valve chest 2, the upper valve chest 1 link into an integrated entity with lower valve chest 2 in upper and lower be mutually butted, Ball valve 9 is provided with the medium position of the lower valve chest 2, ball is integrally fixedly installed at the left side wall center of the ball valve 9 Valve core rod 12, is provided with two O shapes at the position that the external diameter of rod body of the ball valve core bar 12 is in contact with the housing of lower valve chest 2 Sealing ring 13, is provided with the first leakproof in the valve body top side face of the ball valve 9, correspondence on the housing bottom circumference circle of valve chest 1 Gasket 11, the valve body bottom side of the ball valve 9, correspondence are provided with second on the housing central section lumen circumference circle of valve chest 2 down Leak-proof sealing pad 10,11 and second leak-proof sealing pad 10 of the first leak-proof sealing pad are made of soft rubber material, institute State and an elasticity jack-up spring 14 is additionally provided with below the pad of the second leak-proof sealing pad 10, the elasticity jacks up the bullet of spring 14 Spring top is arranged on the pad lower surface of the second leak-proof sealing pad 10, and the spring bottom end that the elasticity jacks up spring 14 is arranged on On the inner cavity convex edge of lower 2 lower part of valve chest, so by having additional the first leak-proof sealing pad on the basis of the single ball valve 9 of tradition 11st, the second leak-proof sealing pad 10 and elasticity jack up spring 14, and leak-proof sealing pad plays the role of certain preventing water leakage, once actual liquid Body flow velocity is excessive and when impacting gasket and break-off occur with ball valve 9, elasticity jacks up spring 14 just can be real in bottom When constantly apply a larger jack-up power effect to the second leak-proof sealing pad 10 upwards under the action of natural resiliency power, So that holding sealing effect that can be all the time in whole ball valve rotation process, so as to further ensure whole ball valve Safety in utilization, service life is longer, leakproofness higher;Set on the bottom terminal ends lumen circumference side wall of the lower valve chest 2 Internal thread connection entrance 3 is equipped with, internal thread connection is correspondingly arranged on the top end lumen circumference side wall of the upper valve chest 1 Outlet 4, outer spiral shell is uniformly provided with the outer ring of the internal thread connection outlet 4, in correspondence on the outer circumference housing of valve chest 1 Line lines 7, the sealed connection groove 6 that cross sectional shape is circular ring shape, institute are additionally provided with the top endface position of the upper valve chest 1 State internal thread connection entrance 3 upper end be interconnected with the valve body cavity above it together with, valve body cavity by flowing buffer chamber 8 and Internal thread connection outlet 4 is interconnected together, and the internal thread connection outlet 4 is connected with each other at position with flowing buffer chamber 8 Circumference inner ring wall on be additionally provided with one guiding retainer ring 5, it is described be oriented to retainer ring 5 ring body it is inward-facing be threadedly coupled outlet It is arranged to tilt cone structure on 4 side side, so by carrying out the both ends connecting pin of traditional single structure ball valve pipe Improve, the sealed connection groove 6 and external screw thread lines 7 added can realize that the being directly welded to connect of whole ball valve and other tube bodies is imitated Fruit, the internal thread connection outlet 4 added can be directly realized by the direct-connected effect of whole ball valve and other tube bodies, so as to expand well The pipe connecting mode of conventional ball valve has been opened up, has further ensured the external effect of reality of conventional ball valve, has been expanded significantly suitable With scope, meet the ball valve use demand of higher.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (4)

1. a kind of structure of high sealing liquid flow control ball valve easy to connection, including upper valve chest and lower valve chest, its feature exist In being provided with ball valve at the medium position of the lower valve chest, ball be integrally fixedly installed at the left side wall center of the ball valve Valve core rod, two O shapes sealings are provided with the position that the external diameter of rod body of the ball valve core bar is in contact with the housing of lower valve chest Circle, is provided with the first leak-proof sealing pad, institute in the valve body top side face of the ball valve, correspondence on the housing bottom circumference circle of valve chest State the valve body bottom side of ball valve, correspondence is provided with the second leak-proof sealing pad on the housing central section lumen circumference circle of valve chest down, institute State and an elasticity jack-up spring is additionally provided with below the pad of the second leak-proof sealing pad, the elasticity jacks up the spring top of spring It is arranged on the pad lower surface of the second leak-proof sealing pad, the spring bottom end that the elasticity jacks up spring is arranged under lower valve chest On the inner cavity convex edge in portion, internal thread connection entrance is provided with the bottom terminal ends lumen circumference side wall of the lower valve chest, it is described Internal thread connection outlet is correspondingly arranged on the top end lumen circumference side wall of upper valve chest, the internal thread connection outlet At outer ring, external screw thread lines, the top end of the upper valve chest are uniformly provided with correspondence on the outer circumference housing of valve chest The sealed connection groove that cross sectional shape is circular ring shape, upper end and its top of the internal thread connection entrance are additionally provided with the position of face Valve body cavity be interconnected together, together with valve body cavity is interconnected by flowing buffer chamber with internal thread connection outlet.
A kind of 2. structure of high sealing liquid flow control ball valve easy to connection according to claim 1, it is characterised in that institute State valve chest and present down to be mutually butted with lower valve chest and link into an integrated entity.
A kind of 3. structure of high sealing liquid flow control ball valve easy to connection according to claim 1, it is characterised in that institute The first leak-proof sealing pad and the second leak-proof sealing pad is stated to be made of soft rubber material.
A kind of 4. structure of high sealing liquid flow control ball valve easy to connection according to claim 1, it is characterised in that institute State internal thread connection outlet and be oriented to fixation with being additionally provided with one on the circumference inner ring wall at flowing buffer chamber interconnection position Ring, inward-facing be threadedly coupled on the side side of outlet of ring body for being oriented to retainer ring are arranged to tilt cone structure.
CN201721303492.7U 2017-10-11 2017-10-11 A kind of structure of high sealing liquid flow control ball valve easy to connection Active CN207364318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721303492.7U CN207364318U (en) 2017-10-11 2017-10-11 A kind of structure of high sealing liquid flow control ball valve easy to connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721303492.7U CN207364318U (en) 2017-10-11 2017-10-11 A kind of structure of high sealing liquid flow control ball valve easy to connection

Publications (1)

Publication Number Publication Date
CN207364318U true CN207364318U (en) 2018-05-15

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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
CN107575599A (en) * 2017-10-11 2018-01-12 苏州科迪流体控制设备有限公司 A kind of structure for the high sealing liquid flow control ball valve for being easy to connect

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107575599A (en) * 2017-10-11 2018-01-12 苏州科迪流体控制设备有限公司 A kind of structure for the high sealing liquid flow control ball valve for being easy to connect

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