CN210890198U

CN210890198U - Prevent eccentric half-ball valve of ponding

Info

Publication number: CN210890198U
Application number: CN201921531348.8U
Authority: CN
Inventors: 王帅
Original assignee: Zhengzhou Ludu Valve Co ltd
Current assignee: Zhengzhou Ludu Valve Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-30
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses an eccentric half ball valve for preventing water accumulation, which comprises a ball valve body, a valve core unit and a valve control unit; the interior of the spherical valve body is hollow, a cylindrical valve body is arranged at the top of the spherical valve body, and a cylindrical fixed block is arranged at the bottom side of the interior of the cylindrical valve body; the case unit contains inlet channel, outlet, fan-shaped water-blocking piece and axis of rotation, the lateral part of ball-type valve body is arranged in to the one end of inlet channel, the bottom of ball-type valve body is arranged in to the outlet, fan-shaped water-blocking piece arrange in the inside of ball-type valve body and with the cooperation of ball-type valve body inner wall, fan-shaped water-blocking piece is arranged in the axis of rotation, the vertical upper and lower both ends of connecting the ball-type valve body inside of rotating shaft, simple structure, installation easy maintenance, the efficient that prevents ponding, can not appear the production of corrosion because of ponding, improve work efficiency.

Description

Prevent eccentric half-ball valve of ponding

Technical Field

The utility model relates to an eccentric half ball valve technical field specifically is an eccentric half ball valve that prevents ponding.

Background

The ball valves for cutting off media in pipelines are various, and comprise hard-seal eccentric ball valves and soft-seal eccentric half ball valves, the hard-seal eccentric half ball valves are sealed by metal to metal, contact surfaces can rub with each other after long-time use, so that certain leakage exists in the seal, the soft-seal eccentric half ball valves are sealed by metal to rubber, the contact surfaces cannot rub with each other after long-time use, and zero leakage can be achieved in the seal;

the eccentric half-ball valve for preventing water accumulation, which is provided by the application number 201120352141.1 in the prior art, comprises a valve seat body, wherein a valve body is clamped on the valve seat body, a semi-annular sealing plate is clamped between the valve body and the valve seat body, the sealing plate is provided with an arc-shaped clamping groove matched with the spherical surface of a valve core, the side wall of the lower part of the valve seat body is provided with a step-shaped water accumulation groove, and the lower end of the water accumulation groove is provided with a water discharge screw;

the valve has the advantages of complex structure, inconvenient installation and maintenance, low efficiency of preventing water accumulation, influence on the free opening of the valve due to the occurrence of the corrosion phenomenon of the water accumulation, reduction of the working efficiency, and influence on the service life and the economic benefit.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an eccentric half ball valve that prevents ponding, simple structure, installation easy maintenance, prevent that ponding efficient, can not because ponding appear the production of corrosion, improve work efficiency, save economy, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an eccentric half-ball valve for preventing water accumulation: the water-saving valve comprises a spherical valve body, a valve core unit and a valve control unit, wherein the spherical valve body is hollow, a cylindrical valve body is arranged at the top of the spherical valve body, a cylindrical fixing block is arranged at the bottom side of the inside of the cylindrical valve body, the valve core unit comprises a water inlet pipeline, a water outlet, a fan-shaped water-blocking sheet and a rotating shaft, one end of the water inlet pipeline is arranged at the side part of the spherical valve body, the water outlet is arranged at the bottom of the spherical valve body, the fan-shaped water-blocking sheet is arranged inside the spherical valve body and matched with the inner wall of the spherical valve body, the fan-shaped water-blocking sheet is arranged on the rotating shaft, the rotating shaft is vertically and rotatably connected with the upper end and the lower end inside of the spherical valve body, the valve control unit comprises a handle, a first gear, a second gear, a circular sheet and a connecting rod, the handle is arranged at the, the top end of the rotating shaft penetrates through the middle parts of the column-shaped fixing block and the circular sheet and is connected with a first gear, the first gear is meshed with a second gear, and the circular sheet is arranged at the top end of the column-shaped fixing block.

Further, still including preventing ponding unit, prevent that ponding unit contains the logical groove of admitting air, inlet port and intake pipe, the logical groove of admitting air is seted up in the top of columnar order valve body, the inlet port is seted up on the circular slice, the intake pipe is vertical to run through the top and bottom of columnar order fixed block, and the inlet port corresponds the setting with the intake pipe. Air enters the spherical valve body through the water accumulation preventing unit to form air pressure in the spherical valve body;

furthermore, the water inlet valve further comprises a connecting ring, and the connecting ring is arranged at one end, far away from the spherical valve body, of the water inlet pipeline. Controlling the opening and closing of the water accumulation preventing unit to form sealing performance

Further, the valve control unit further comprises an arc-shaped groove, the arc-shaped groove is formed in the top of the circular sheet, and the bottom end of the connecting rod extends into the arc-shaped groove. The rotating shaft is connected with the connecting rod and moves through a gear;

furthermore, the device also comprises a hexagonal nut which is in threaded connection with the shaft end of the rotating shaft, wherein the shaft end is positioned at the upper part of the circular sheet. And fixing the circular sheet.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent eccentric hemisphere valve of ponding has following benefit:

1. after the valve is closed, air enters the cylindrical valve body through the air inlet through groove, air pressure enters the air inlet pipe through the air inlet, enters the spherical valve body through the air inlet pipe, the pressure intensity in the spherical valve body is the same as that in the outside, and accumulated water in the spherical valve body is discharged through the water outlet;

2. the structure is simple, the installation and the maintenance are convenient, the efficiency of preventing water accumulation is high, the generation of corrosion due to the water accumulation is avoided, the working efficiency is improved, and the economy is saved;

3. design drainage structures, convenient and fast is dismantled in the valve body installation, prevents effectively that the valve body is inside to rust, increases life, has improved the sealed effect of valve body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention.

In the figure: the valve comprises a ball-type valve body 1, a water accumulation preventing unit 2, an air inlet through groove 21, an air inlet hole 22, an air inlet pipe 23, a valve core unit 3, a water inlet pipeline 31, a water outlet hole 32, a fan-shaped water blocking sheet 33, a rotating shaft 34, a valve control unit 4, a handle 41, a first gear 42, a second gear 43, a circular sheet 44, a connecting rod 45, an arc-shaped groove 46, a connecting ring 6, a column-shaped fixing block 7, a column-shaped valve body 8 and a hexagon nut thread 9.

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, the present invention provides a technical solution: an eccentric half-ball valve for preventing water accumulation comprises a ball valve body 1, a valve core unit 3 and a valve control unit 4, wherein the inside of the ball valve body 1 is hollow, a cylindrical valve body 8 is arranged at the top of the ball valve body 1, and a cylindrical fixing block 7 is arranged at the bottom side of the inside of the cylindrical valve body 8; a valve element unit 3 is loaded, and the valve element unit 3 is connected with a valve control unit 4; the valve core unit 3 comprises a water inlet pipe 31, a water outlet 32, a fan-shaped water blocking sheet 33 and a rotating shaft 34, one end of the water inlet pipe 31 is arranged at the side part of the spherical valve body 1, the water outlet 32 is arranged at the bottom of the spherical valve body 1, the fan-shaped water blocking sheet 33 is arranged in the spherical valve body 1 and matched with the inner wall of the spherical valve body 1, the fan-shaped water blocking sheet 33 is arranged on the rotating shaft 34, and the rotating shaft 34 is vertically and rotatably connected with the upper end and the lower end of the inside; the water inlet of the water inlet pipeline 31 is controlled by the movement of the fan-shaped water-blocking sheet 33; the valve control unit 4 comprises a handle 41, a first gear 42, a second gear 43, a circular sheet 44 and a connecting rod 45, wherein the handle 41 is arranged at the top end of the connecting rod 45, the connecting rod 45 is rotatably connected with the top of the columnar valve body 8, the bottom end of the connecting rod 45 extends into the columnar valve body 8 and is connected with the second gear 43, the top end of the rotating shaft 34 penetrates through the middle parts of the columnar fixed block 7 and the circular sheet 44 and is connected with the first gear 42, the first gear 42 is meshed with the second gear 43, and the circular sheet 44 is arranged at the top end of the columnar fixed block 7; the water inlet valve also comprises a connecting ring 6, wherein the connecting ring 6 is arranged at one end of the water inlet pipeline 31 far away from the spherical valve body 1; the switch of the water accumulation preventing unit 2 is controlled to form tightness, the water accumulation preventing unit further comprises an arc-shaped groove 46, the top of the circular sheet 44 is provided with the arc-shaped groove 46, and the bottom end of the connecting rod 45 extends into the arc-shaped groove 46; the second gear 43 drives the first gear 42 to move to drive the rotating shaft 34 to move, and the hexagonal nut 9 is connected to the shaft end of the rotating shaft at the upper part of the circular sheet 44 in a threaded manner to fix the circular sheet 44.

Wherein; the water accumulation preventing device further comprises a water accumulation preventing unit 2, wherein the water accumulation preventing unit 2 comprises an air inlet through groove 21, an air inlet hole 22 and an air inlet pipe 23, the air inlet through groove 21 is formed in the top of the columnar valve body 8, the air inlet hole 22 is formed in the circular sheet 44, the air inlet pipe 23 vertically penetrates through the upper surface and the lower surface of the columnar fixing block 7, and the air inlet hole 22 and the air inlet pipe 23 are correspondingly arranged; air enters the spherical valve body 1 through the water accumulation preventing unit 2, and air pressure is formed in the spherical valve body 1.

When in use: the rotation of the handle 41 enables the connecting rod 45 connected with the handle 41 to rotate, the second gear 43 moves along with the rotation of the connecting rod 45, the movement of the second gear 43 drives the first gear 42 to move, the movement of the first gear 42 enables the rotating shaft 34 connected with the first gear to rotate, the sector water-blocking sheet 33 moves along with the rotating shaft 34 to enable the sector water-blocking sheet 33 to be attached to the inner wall of the spherical valve body 1 to block the water inlet of the water inlet pipeline 31, the rotation of the first gear 42 enables the air inlet hole 22 to be connected with the air inlet pipe 23, air enters the cylindrical valve body 8 from the air inlet through groove 21 to enter the air inlet pipe 23 through the air inlet hole 22 to form air pressure to enter the spherical valve body 1, the pressure formed by the air pressure of the air inlet pipe 23 enables the accumulated water in the spherical valve body 1 to flow to the water outlet 32, the accumulated water in the spherical valve body 1 flows out, the, at this time, the air inlet hole 22 is staggered with the air inlet pipe 23, and water flows through the water inlet pipe 31, the ball valve body 1 and the water outlet 32 in sequence.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent eccentric hemisphere valve of ponding which characterized in that: comprises a spherical valve body (1), a valve core unit (3) and a valve control unit (4); the inside of ball-type valve body (1) is cavity, and the top of ball-type valve body (1) is equipped with columnar valve body (8), and the inside bottom side of columnar valve body (8) is equipped with columnar fixing block (7), case unit (3) contain inlet channel (31), outlet (32), fan-shaped water-blocking piece (33) and axis of rotation (34), the lateral part of ball-type valve body (1) is arranged in to the one end of inlet channel (31), the bottom of ball-type valve body (1) is arranged in to outlet (32), fan-shaped water-blocking piece (33) are arranged in the inside of ball-type valve body (1) and are cooperated with ball-type valve body (1) inner wall, on axis of rotation (34) is arranged in to fan-shaped water-blocking piece (33), the vertical rotation of axis of rotation (34) is connected ball-type valve body (1) inside upper and lower both ends, valve control unit (4) contain handle (41, Second gear (43), circular sheet (44) and connecting rod (45), connecting rod (45) top is placed in handle (41), connecting rod (45) are rotated with the top of columnar valve body (8) and are connected, the bottom of connecting rod (45) extends to the inside of columnar valve body (8) and connects second gear (43), the top of axis of rotation (34) is passed the middle part of columnar fixed block (7) and circular sheet (44) and is connected with first gear (42), first gear (42) are connected with second gear (43) meshing, columnar fixed block (7) top is placed in circular sheet (44).

2. The eccentric hemisphere valve for preventing water accumulation according to claim 1, wherein: still including preventing ponding unit (2), prevent ponding unit (2) and contain and admit air logical groove (21), inlet port (22) and intake pipe (23), the top of cylindrical valve body (8) is seted up in logical groove (21) admits air, inlet port (22) are seted up on circular slice (44), intake pipe (23) are vertical to run through the top and bottom of cylindrical fixed block (7), and inlet port (22) correspond the setting with intake pipe (23).

3. The eccentric hemisphere valve for preventing water accumulation according to claim 1, wherein: the ball-shaped valve body is characterized by further comprising a connecting ring (6), wherein the connecting ring (6) is arranged at one end, far away from the ball-shaped valve body (1), of the water inlet pipeline (31).

4. The eccentric hemisphere valve for preventing water accumulation according to claim 1, wherein: the valve control unit (4) further comprises an arc-shaped groove (46), the arc-shaped groove (46) is formed in the top of the circular sheet (44), and the bottom end of the connecting rod (45) extends into the arc-shaped groove (46).

5. The eccentric hemisphere valve for preventing water accumulation according to claim 1, wherein: the novel rotary shaft further comprises a hexagonal nut thread (9), and the hexagonal nut thread (9) is connected to the shaft end, located on the upper portion of the circular sheet (44), of the rotary shaft (34).