CN217977485U

CN217977485U - Multifunctional ball valve

Info

Publication number: CN217977485U
Application number: CN202222341365.3U
Authority: CN
Inventors: 黄权; 李华松; 李华江
Original assignee: Zhejiang Woding Fluid Equipment Technology Co ltd
Current assignee: Zhejiang Woding Fluid Equipment Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-06
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a multifunctional ball valve, which comprises a valve body, the valve rod, a valve core, the disk seat, be provided with the runner in the valve body, the case sets up in the runner, the valve rod rotates and installs in the valve body, and be connected with the case, the quantity of disk seat is two, and install respectively in the runner, and lie in the both sides of case edge flow direction, and offset with the case periphery, be provided with the control hole in the case, the discharge orifice, the case is run through respectively at the axial both ends in control orifice, the quantity in discharge orifice is two, set up respectively in the radial both sides in control orifice, the axial one end intercommunication control orifice in each discharge orifice, the other end runs through the case, still include an at least shutoff bolt, be provided with the first screw hole that supplies shutoff bolt screw-thread fit in at least one discharge orifice, the discharge orifice is located the first screw hole that corresponds and deviates from control hole side and is provided with the built-in hole of head that supplies the shutoff bolt. By adopting the scheme, the multifunctional ball valve can plug the drainage hole to realize the water saving function when the drainage function is not needed.

Description

Multifunctional ball valve

Technical Field

The utility model relates to a multifunctional ball valve.

Background

Ball valve, the open-close piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. And can also be used for regulating and controlling the fluid.

Chinese patent No. CN201620603847.3 discloses a ball valve core with a drainage function and a valve body with the valve core, wherein the valve core adopts a mode of opening a drainage hole to ensure the flow of fluid in a pipeline under the condition that a flow passage is closed, so as to prevent the flow passage from being frozen in winter.

However, since the function is mainly applied to winter, the use except winter will seriously cause waste of water resources, and if the valve is used in winter and replaced in summer, the replacement cost is high.

Disclosure of Invention

The utility model aims to provide a can be when need not to use the earial drainage function with the earial drainage hole shutoff and realize a multi-functional ball valve of water conservation function to prior art exists.

In order to achieve the above purpose, the utility model provides a following technical scheme: including the valve body, the valve rod, the case, the disk seat, be provided with the runner in the valve body, the case sets up in the runner, the valve rod rotates and installs in the valve body, and be connected with the case, the quantity of disk seat is two, and install respectively in the runner, and be located the both sides of case border flow direction, and offset with the case periphery, the axial along perpendicular valve rod in the valve core is provided with the control port, the discharge orifice, the case is run through respectively at the axial both ends in control orifice, the quantity in discharge orifice is two, set up respectively in the radial both sides in control orifice, the axial in each discharge orifice and the axial mutually perpendicular in control orifice, the axial one end intercommunication control orifice in each discharge orifice, the other end runs through the case, its characterized in that: the drainage hole is provided with a built-in hole for the head of the plugging bolt to be built in, and the drainage hole is positioned on the side, away from the control hole, of the corresponding first threaded hole.

The utility model discloses further set up to: the quantity of shutoff bolt is two, all is provided with first screw hole, built-in hole in each earial drainage hole.

The utility model discloses further set up to: the valve body is provided with a pressure release valve, the pressure release valve is provided with a liquid inlet section communicated with the flow channel and a liquid discharge end communicated with the outside, and the pressure release valve is positioned between the 2 valve seats.

The utility model discloses further set up to: the valve body is provided with a second threaded hole, one axial end of the second threaded hole is communicated with the flow channel, the other axial end of the second threaded hole penetrates through the outer side of the valve body, and the pressure relief valve is provided with a threaded section which is installed in the second threaded hole in a threaded mode.

The utility model discloses further set up to: the valve body outside is provided with the anti-leakage cover that is used for covering the relief valve, and the anti-leakage cover periphery is provided with the sealed clamping ring of arranging the pressure in the valve body, is provided with a plurality of construction bolts that are used for with anti-leakage cover fixed mounting in the valve body between sealed clamping ring and the valve body.

The utility model discloses further set up to: the valve body is provided with a built-in ring groove towards the side of the sealing press ring, and a sealing ring which is abutted against the sealing press ring is arranged in the built-in ring groove.

The utility model discloses further set up to: the valve body is provided with a built-in groove for the sealing press ring to be built in.

By adopting the technical scheme, 1, when the ball valve is used in winter and cold environment, the valve core can be controlled to rotate to enable the flow control hole to open the flow channel along the left and right directions, the valve core is controlled to rotate to enable the drainage hole to close the flow channel along the left and right directions, and under the closing condition, the fluid in the flow channel can realize the flow with smaller flow through the drainage hole to prevent the pipeline from being frozen; 2. if the environment does not need to discharge and prevent freezing, the ball valve is disassembled, and the blocking bolt is arranged in the first threaded hole to block the discharge hole, so that the throttling purpose is achieved; 3. due to the arrangement of the built-in hole, the plugging bolt can be completely built in the drainage hole, so that the stroke interference between the plugging bolt and the valve seat is prevented, and the smoothness of rotation is ensured; 4. the built-in hole is located first screw hole and deviates from the control hole side, then can carry out the dismouting of shutoff bolt when the discharge orifice is followed left right direction, need not to stretch into in the control hole, makes the more convenient of dismouting.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an enlarged view of B in FIG. 2;

fig. 5 is an enlarged view of C in fig. 1.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model discloses a multifunctional ball valve, including valve body 1, valve rod 2, case 3, disk seat 4, electric controller 5, be provided with about extending runner 11 in the valve body 1, case 3 sets up in runner 11, valve rod 2 rotates and installs in valve body 1, and adopt mode fixed connection such as key-type connection with case 3, wherein, vertical setting is followed to the axial of valve rod 2, and electric controller 5 sets up in valve body 1 upper end, and be connected with valve rod 2, realize the rotation drive to valve rod 2, wherein, disk seat 4's quantity is two, and install respectively in runner 11, and lie in the left and right sides of case 3 along the both sides of runner 11 directions, and offset with case 3 periphery. Therefore, the electric controller 5 drives the valve rod 2 to rotate, so that the valve rod 2 drives the valve core 3 to rotate to open and close the flow passage 11.

In addition, a control hole 31 and a drainage hole 32 are arranged in the valve core 3 in the axial direction perpendicular to the valve rod 2 in the embodiment, two axial ends of the control hole respectively penetrate through the valve core 3, the number of the drainage holes 32 is two, the two drainage holes are respectively arranged on two radial sides of the control hole, and the axial direction of each drainage hole 32 is perpendicular to the axial direction of the control hole, wherein one axial end of each drainage hole 32 is communicated with the control hole, and the other axial end of each drainage hole penetrates through the valve core 3.

Therefore, 1, when the ball valve is used in winter and cold environment, the valve core 3 can be controlled to rotate to enable the flow control hole to open the flow channel 11 along the left-right direction, the valve core 3 can be controlled to rotate to enable the drain hole 32 to close the flow channel 11 along the left-right direction, and under the closing condition, the fluid in the flow channel 11 can realize the flow with smaller flow rate through the drain hole 32, so that the pipeline is prevented from being frozen; 2. if the environment does not need to discharge and prevent freezing, the ball valve is disassembled, and the blocking bolt 6 is arranged in the first threaded hole 321 to block the discharge hole 32, so that the purpose of throttling is achieved; 3. due to the arrangement of the built-in hole 322, the plugging bolt 6 can be completely built in the drainage hole 32, so that the stroke interference between the plugging bolt 6 and the valve seat 4 is prevented, and the smoothness of rotation is ensured; 4. the built-in hole 322 is located on the side where the first threaded hole 321 deviates from the control hole 31, so that the plugging bolt 6 can be disassembled and assembled when the drain hole 32 is in the left-right direction, and the plugging bolt does not need to extend into the control hole 31, so that the disassembly and assembly are more convenient.

Preferably, the number of the plugging bolts 6 in this embodiment is two, and each of the drainage holes 32 is provided with the first threaded hole 321 and the built-in hole 322, so that double plugging can be performed to improve the strength of plugging and ensure the sealing effectiveness.

In addition, the lower extreme of valve body 1 in this embodiment is provided with relief valve 7, relief valve 7 is provided with the feed liquor section 71 that communicates with runner 11 and the drain 72 that communicates with the external world, relief valve 7 is located between 2 disk seats 4, therefore, when need not to use under the condition that discharge orifice 32 carries out runner 11 and switches on, and use under the too big condition of incoming flow pressure, can carry out the opening of incoming flow side discharge orifice 32, and the closure of going flow side discharge orifice 32, when making the incoming flow pressure exceed preset pressure, the incoming flow side pressure gets into between two disk seats 4, make high pressure open relief valve 7 and carry out the pressure release, guarantee the security of pipeline under the condition that runner 11 closes, and if need not the pipeline protection, then can shutoff two discharge orifices 32.

Wherein, be provided with second screw hole 12 on the valve body 1 in this embodiment, the axial one end intercommunication runner 11 of second screw hole 12, the other end runs through to the 1 outside of valve body, and relief valve 7 is provided with the screw thread and installs in the screw thread section 73 of second screw hole 12 for the convenient dismouting of relief valve 7 is connected valve body 1, thereby convenient change relief valve 7 (maintenance and pressure adaptation).

In addition, the valve body 1 outside in this embodiment is provided with the anti-leakage cover 8 that is used for covering the relief valve 7, the anti-leakage cover 8 periphery is provided with the sealed clamping ring 81 of pressure in the valve body 1, be provided with a plurality of mounting bolts 9 that are used for with anti-leakage cover 8 fixed mounting in valve body 1 between sealed clamping ring 81 and the valve body 1 for when need not to use the relief valve 7 to carry out pressure control, the accessible is prevented that the anti-leakage cover 8 carries out the closing cap of relief valve 7, prevent that the relief valve 7 from taking place to reveal in the pressure change in the runner 11.

Preferably, the valve body 1 in this embodiment is provided with an internally-arranged ring groove 13 facing the sealing press ring 81, and the sealing ring 10 abutting against the sealing press ring 81 is provided in the internally-arranged ring groove 13, so that the sealing effectiveness is further improved by the sealing ring 10.

In addition, the valve body 1 in this embodiment is provided with the built-in groove 14 in which the sealing press ring 81 is built, so that the positioning of the leakage-proof cover 8 is more accurate.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a multifunctional ball valve, which comprises a valve body, the valve rod, the case, the disk seat, be provided with the runner in the valve body, the case sets up in the runner, the valve rod rotates to be installed in the valve body, and be connected with the case, the quantity of disk seat is two, and install respectively in the runner, and be located the both sides of case edge flow direction, and offset with the case periphery, axial along perpendicular valve rod in the case is provided with the control hole, the discharge orifice, the case is run through respectively at the axial both ends in control orifice, the quantity in discharge orifice is two, set up respectively in the radial both sides in control orifice, the axial in each discharge orifice and the axial mutually perpendicular in control orifice, the axial one end intercommunication in each discharge orifice accuse orifice, the other end runs through the case, its characterized in that: the drainage hole is provided with a built-in hole for the head of the plugging bolt to be built in, and the drainage hole is positioned on the side, away from the control hole, of the corresponding first threaded hole.

2. A multi-function ball valve as claimed in claim 1, wherein: the quantity of shutoff bolt is two, all is provided with first screw hole, built-in hole in each earial drainage hole.

3. A multi-function ball valve as claimed in claim 2, wherein: the valve body is provided with a pressure release valve, the pressure release valve is provided with a liquid inlet section communicated with the flow channel and a liquid discharge end communicated with the outside, and the pressure release valve is positioned between 2 valve seats.

4. A multi-function ball valve as claimed in claim 3, wherein: the valve body is provided with a second threaded hole, one axial end of the second threaded hole is communicated with the flow channel, the other end of the second threaded hole penetrates through the outer side of the valve body, and the pressure relief valve is provided with a threaded section which is installed in the second threaded hole in a threaded mode.

5. A multi-function ball valve according to claim 3 or 4, wherein: the valve body outside is provided with the anti-leakage cover that is used for covering and establishes the relief valve, and the anti-leakage cover periphery is provided with the sealed clamping ring of pressure in the valve body, is provided with a plurality of construction bolts that are used for with anti-leakage cover fixed mounting in the valve body between sealed clamping ring and the valve body.

6. A multi-functional ball valve according to claim 5, characterized in that: the valve body is provided with a built-in ring groove towards the side of the sealing press ring, and a sealing ring which is abutted against the sealing press ring is arranged in the built-in ring groove.

7. The multi-functional ball valve of claim 5, wherein: the valve body is provided with a built-in groove for the sealing press ring to be built in.