CN210484673U

CN210484673U - Baffle ball valve

Info

Publication number: CN210484673U
Application number: CN201921578799.7U
Authority: CN
Inventors: 王达国
Original assignee: Yuhuan Dadi Copper Co ltd
Current assignee: Yuhuan Dadi Copper Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-08
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a baffle ball valve, including valve body and the intraoral valve gap of sealing connection at the valve body, valve body and valve gap between be equipped with the disk seat and rotate the spheroid case of sealed supporting in the disk seat, and the rotatory valve rod of opening and close of operation spheroid case, this valve rod upper end stretches out the valve body and is equipped with the handle that the transmission is connected, be equipped with the boss on the outer periphery of valve gap outer end, be equipped with swing joint's loose joint nut on the boss, the inside valve pocket that is equipped with of valve body, the valve pocket is equipped with connect the via hole and is linked together with the disk seat, it is equipped with the baffle of opening and close to. The utility model discloses the product will have seal gasket's baffle to set up in the fluid outflow end of spheroid valve core side to correspond the upper end at the valve body valve pocket and set up the upper shed and take-up the valve gap and can carry out the dismouting so that overhaul the baffle part and maintain, the valve gap end edge that spheroid valve core fluid flowed in distolateral setting is equipped with the boss and the portable dismouting of arranging the loose joint nut and can supplying whole baffle ball valve at fluid pipeline.

Description

Baffle ball valve

Technical Field

The utility model relates to an install the ball valve structure on the medium conveying pipeline, specifically be a baffle ball valve.

Background

The ball valve is a common valve structure, mainly plays a role in cutting off, distributing and changing the flowing direction of a medium on a pipeline for conveying the medium, and is widely applied to industrial and civil pipelines for water supply, heating and the like due to simple structure and convenient operation. At present, the connection mode of ordinary ball valve and pipeline generally is threaded connection, welded connection etc. and links firmly the structure, installs in the pipeline after, and the ball valve is difficult for dismantling often, changes the difficulty, also causes the damage to the pipeline easily at the dismouting in-process, improves the maintenance cost of pipeline. In addition, the baffle can be arranged in the flow channel to effectively avoid the backflow situation, but the baffle is generally arranged in the circular pipe, so that the maintenance is very inconvenient when the fault problem occurs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, a simple structure is effectual and be convenient for maintain the baffle ball valve of adjustment to the baffle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a baffle ball valve, includes valve body and sealing connection at the intraoral valve gap of valve body end, valve body and valve gap between be equipped with the spheroid case of disk seat and rotary seal supporting in the disk seat, and the rotatory valve rod of opening and close of operation spheroid case, this valve rod upper end stretches out the valve body and is equipped with the handle of transmission connection, be equipped with the boss on the outer periphery of valve gap outer end, be equipped with swing joint's loose-joint nut on the boss, the inside valve pocket that is equipped with of valve body, the valve pocket is equipped with connect the via hole and is linked together with the disk seat, connect the via hole terminal surface and be equipped with the baffle of opening and close, can supply the convenient dismouting to the fluid pipeline at the valve pocket end of the fluid outflow end of spheroid case side to set up the baffle of opening and close that.

As a further aspect of the present invention: the valve body tip that is located connecting hole outer end valve pocket upper end has seted up the upper shed, the upper shed spiro union is equipped with the upper valve gap, and the upper shed has still been seted up and the cooperation upper valve gap in the valve pocket upper end, can dismantle the upper valve cover when overhauing and maintaining and conveniently overhaul baffle position directly.

As a further aspect of the present invention: the baffle is set to be a circular plate body, the upper end of the baffle is provided with a hinged bulge and a connecting pin hole, the circular plate body is provided with a bulge screw, a matched sealing gasket is sleeved outside the bulge screw, the top end of the bulge screw is provided with a matched fastening nut which is screwed to clamp the sealing gasket, the matching end part of the valve body and the baffle is provided with a pin matched with the connecting pin hole, the baffle is connected with the baffle through the pin, the baffle is flexible to turn, and the baffle is prevented from being directly contacted with the valve body for multiple times.

As a further aspect of the present invention: the outer end of the valve body at the pin end is provided with a connecting screw hole which is matched and connected with a plug screw in a screwed mode and is matched with a red paper cypress gasket, and the plug screw is matched with the red paper cypress gasket to seal the baffle and the pin.

As a further aspect of the present invention: the movable joint nut is characterized in that an internal thread connecting hole is formed in one end of the movable joint nut, a through hole is movably connected to the boss at the other end of the movable joint nut, an annular inner shoulder which forms a falling-off prevention structure with the boss is arranged in an outer port of the through hole, a sealing collar is arranged on the matching end of the annular inner shoulder and the boss arranged on the valve cover, and a movable joint gasket is arranged at the top end of the boss and can be conveniently dismounted and used in a fluid pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the product will have seal gasket's baffle to set up in the fluid outflow end of spheroid valve core side to correspond the upper end at the valve body valve pocket and set up the upper shed and take-up the valve gap and can carry out the dismouting so that overhaul the baffle part and maintain, the valve gap end edge that spheroid valve core fluid flowed in distolateral setting is equipped with the boss and the portable dismouting of arranging the loose joint nut and can supplying whole baffle ball valve at fluid pipeline.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention.

Fig. 2 is an explosion structure diagram of the embodiment of the present invention.

In fig. 1 to 2: the valve comprises a valve body 1, a ball valve core 2, a valve rod 3, a handle 4, a valve cover 5, a loose joint nut 6, an upper valve cover 7, a baffle 8, a sealing gasket 9, a fastening nut 10, a pin 11, a red paper cypress gasket 12, a plug screw 13, a left plastic king 14, a right plastic king 15, a sealing clamping ring 16, a loose joint gasket 17, a connecting screw 18, a red bead 19, an O-shaped ring 20 and a valve cover O-shaped ring 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in the embodiment of the present invention, a flapper ball valve comprises a valve body 1 and a valve cover 5 hermetically connected in a valve port, a valve seat and a ball valve core 2 rotatably and hermetically supported in the valve seat by an inner cavity of the valve body are arranged between the valve body 1 and the valve cover 5, and a valve rod 3 for operating the rotary opening and closing of the ball valve core, wherein a left plastic king 14 and a right plastic king 15 are arranged at two sides of the ball valve core 2 to match with the valve seat for use, the upper end of the valve rod extends out of the valve body and is provided with a handle 4 in transmission connection, the upper end of the valve rod 3 is provided with an O-ring 20 at the connection end with the handle through a connection screw 18 and a red ball 19, a boss is arranged on the outer circumferential surface of the outer end of the valve cover 5, a movably connected union nut 6 is arranged on the boss, a valve cavity is arranged in the valve body, wherein the valve seat is, the connecting through hole end face is provided with a baffle 8 capable of being turned to open and close, the valve cover 5 with a boss is arranged on the existing ball valve structure, so that the fluid pipeline can be conveniently disassembled and assembled, the baffle 8 capable of being turned to open and close is arranged at the valve cavity end of the fluid outflow end of the ball valve core side, and backflow can be effectively avoided. In addition, an upper opening is formed in the end part of the valve body, which is positioned at the upper end of the valve cavity at the outer end of the connecting through hole, an upper valve cover 7 is screwed to the upper opening end, an O-shaped valve cover ring 21 is arranged between the upper valve cover 7 and the valve body 1 for sealing, the upper opening is formed in the upper end of the valve cavity and matched with the upper valve cover 7, the upper valve cover can be directly detached to directly overhaul a baffle position, and therefore the situation that the baffle is positioned at the inner end of a flow channel pipeline in the prior art and cannot be dredged due to blockage and clamping stagnation is avoided, and. In addition, the baffle plate 8 in the embodiment is arranged to be a circular plate body, the upper end of the baffle plate is provided with a hinged protrusion and a connecting pin hole, the circular plate body is provided with a protruding screw rod, the outside of the protruding screw rod is sleeved with a matched sealing gasket 9, the top end of the protruding screw rod is provided with a matched fastening nut 10 which is screwed to clamp the sealing gasket 9, in addition, the matching end part of the valve body and the baffle plate is provided with a pin 11 matched with the connecting pin hole, the baffle plate 8 with the sealing gasket 9 is connected through the pin 11, the turnover is flexible, the sealing gasket 9 is in contact with the end face of a cavity body at the inner end. In addition, the outer end of the valve body at the end of the pin is provided with a connecting screw hole which is matched with a screw joint plug screw 13 and is matched with a red paper cypress gasket 12, and the plug screw is matched with the red paper cypress gasket to seal the baffle plate and the pin. The loose joint nut 6 one end wherein is equipped with the female connection hole, and the other end is equipped with the through-hole of swing joint on the boss, be equipped with in the outer port of this through-hole with the boss constitutes the annular interior shoulder of anti-disengaging structure, the annular interior shoulder with boss cooperation end that establishes on the valve closure is equipped with sealed rand 16, and the boss top is equipped with loose joint gasket 17, can do benefit to dismouting use in the fluid pipeline.

The principle of the utility model is that: the utility model discloses the product sets up baffle 8 that will have seal gasket in the fluid outflow end of spheroid valve core side to correspond the upper end at the valve body valve pocket and set up the upper shed and take-up valve gap 7 and can carry out the dismouting so that overhaul the baffle part and maintain, the valve gap end edge that 4 fluids of spheroid valve core flowed in the distolateral setting is equipped with the boss and the portable dismouting of the loose joint nut 6 that arranges that can supply whole baffle ball valve at fluid pipeline of arranging.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a baffle ball valve, includes valve body and the valve gap of sealing connection in the valve body port, valve body and valve gap between be equipped with the spheroid case of disk seat and rotary seal supporting in the disk seat, and the rotatory valve rod of opening and close of operation spheroid case, the handle that stretches out the valve body and be equipped with the transmission and connect on this valve rod, its characterized in that: the valve comprises a valve body and is characterized in that a boss is arranged on the outer circumferential surface of the outer end of the valve cover, a movably connected loose joint nut is arranged on the boss, a valve cavity is arranged in the valve body, a connecting through hole is formed in the valve cavity and communicated with the valve seat, and a baffle capable of being turned to open and close is arranged on the end face of the connecting through hole.

2. A flapper ball valve as claimed in claim 1 wherein: an upper opening is formed in the end portion of the valve body, located at the upper end of the valve cavity at the outer end of the connecting through hole, and an upper valve cover is arranged at the upper opening end in a threaded connection mode.

3. A flapper ball valve as claimed in claim 1 wherein: the baffle is arranged to be a circular plate body, the upper end of the baffle is provided with a hinged bulge and a connecting pin hole, the circular plate body is provided with a bulge screw, a matched sealing gasket is sleeved outside the bulge screw, the top end of the bulge screw is provided with a matched fastening nut which is screwed to clamp the sealing gasket, and the matched end part of the valve body and the baffle is provided with a pin matched with the connecting pin hole.

4. A flapper ball valve according to claim 3, wherein: the outer end of the valve body at the pin end is provided with a connecting screw hole which is matched with a screwed plug screw rod and is provided with a red paper cushion piece in a matching way.

5. A flapper ball valve as claimed in claim 1 wherein: one end of the loose joint nut is provided with an internal thread connecting hole, the other end of the loose joint nut is provided with a through hole movably connected to the boss, an annular inner shoulder forming a drop-proof structure with the boss is arranged in an outer port of the through hole, a sealing clamping ring is arranged on the matching end of the annular inner shoulder and the boss arranged on the valve cover, and a loose joint pad is arranged at the top end of the boss.