CN218935365U

CN218935365U - Shunt ball valve

Info

Publication number: CN218935365U
Application number: CN202222985590.0U
Authority: CN
Inventors: 李江; 叶琛; 朱新炎
Original assignee: Zhejiang Deai Intelligent Control Technology Co ltd
Current assignee: Zhejiang Deai Intelligent Control Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-28
Anticipated expiration: 2032-11-07

Abstract

The utility model belongs to the technical field of valves, and discloses a split-flow ball valve, which comprises a valve body, a valve core and a valve rod, wherein a water inlet channel, a first water outlet channel and a second water outlet channel which are mutually communicated are formed in the valve body, and a valve cavity is formed at the intersection of the three channels in the valve body; the valve core is arranged in the valve cavity, and a flow channel is formed in the valve core; the valve rod is used for driving the valve core to rotate, so that the ball valve is in four split states: the water inlet channel, the flow channel and the second water outlet channel are sequentially communicated, the first water outlet channel is blocked by the valve core, or the water inlet channel, the first water outlet channel and the second water outlet channel are all communicated with the flow channel, or the water inlet channel, the flow channel and the first water outlet channel are sequentially communicated, the second water outlet channel is blocked by the valve core, or the water inlet channel is blocked by the valve core, and the ball valve is closed. The rotation of the valve core can enable the ball valve to be in four split states.

Description

Shunt ball valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a split-flow ball valve.

Background

The patent CN102313043A provides an L-shaped three-way ball, which comprises a valve body, a valve core and a valve rod, wherein the valve body is provided with a valve cavity and a fluid channel communicated with the valve cavity, the fluid channel comprises a first fluid channel, a second fluid channel and a third fluid channel, the valve core is arranged in the valve cavity, the valve core is provided with a connecting channel, the connecting channel comprises a first connecting channel and a second connecting channel which are communicated with each other, the minimum distance between two open ends of the first connecting channel and the second connecting channel is not smaller than the diameter of any one fluid channel, the maximum arc length between the two open ends of the first connecting channel and the second connecting channel is not greater than the maximum arc length between any two fluid channels, and when the open end of any one connecting channel and each fluid channel are in a blocking state, the other connecting channel is in sealing fit with the valve cavity and is in a blocking state with any one fluid channel.

Patent CN2784692Y discloses a three-way ball valve, including the valve body, with the valve body axial side opening spiro union end valve gap, when this three-way ball valve was used, can realize that the axial one side interface of valve is the entrance point of fluidic medium, and the axial opposite side interface and the vertical axis of valve are the exit end of switching flow direction to make this three-way ball valve can be applicable to the occasion that prior art's three-way ball valve can not satisfy the use occasion requirement.

The existing three-way valve can realize the sealing of one circulation port and the opening of the other two circulation ports, but can not realize the simultaneous opening of three circulation ports for large-flow supply; when the circulation port is opened, the valve core cannot be locked, and the valve is easy to open and close by mistake, so that the working state of the valve is unstable.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a split-flow ball valve, and mainly solves the problem that the existing three-way valve cannot realize all-pass of three flow channels.

In order to achieve the above purpose, the utility model provides a split-flow ball valve, which comprises a valve body, a valve core and a valve rod, wherein a water inlet channel, a first water outlet channel and a second water outlet channel which are mutually communicated are formed in the valve body, and a valve cavity is formed at the intersection of the three channels in the valve body; the valve core is arranged in the valve cavity, and a flow passage is formed in the valve core; the valve rod is used for driving the valve core, so that the water inlet channel, the flow channel and the second water outlet channel are sequentially communicated, the first water outlet channel is blocked by the valve core, or the water inlet channel, the first water outlet channel and the second water outlet channel are all communicated with the flow channel, or the water inlet channel, the flow channel and the first water outlet channel are sequentially communicated, the second water outlet channel is blocked by the valve core, or the water inlet channel is blocked by the valve core, and the ball valve is closed.

Further, the flow channel comprises two channels which are perpendicular to each other, and the central axes of the two channels pass through the center of the valve core.

Further, the depth h of each channel is smaller than the width l of the opening of the valve core surface.

Further, one end of the valve rod penetrates into the valve cavity from the side face of the valve body and is connected with the valve core; the other end of the valve rod is positioned outside the valve body.

Further, the ball valve further comprises a valve cover sleeve, the valve cover sleeve is sleeved at one end of the valve rod, which is positioned outside the valve body, and the lower end face of the valve cover sleeve is in contact fit with the valve body; when the valve cover sleeve works, the valve rod can be driven to rotate relative to the valve body.

Further, a mounting hole is formed in the lower end face of the valve cover sleeve, and an elastic piece and a magnetic steel piece are mounted in the mounting hole; a limiting hole matched with the mounting hole is formed in the surface of the valve body, which is in contact fit with the lower end surface of the valve cover sleeve; when the valve cover sleeve rotates to enable the mounting hole to vertically correspond to the limiting hole, a part of the magnetic steel piece is pushed into the limiting hole by the elastic piece, so that the valve cover sleeve is limited to continuously rotate.

Further, the two mounting holes are symmetrically formed around the center of the valve rod.

Further, the limiting holes comprise three pairs, and each pair of limiting holes can be correspondingly matched with the mounting holes up and down, so that the ball valve is locked.

Further, the included angles between every two connecting lines of each pair of limiting holes are 45 degrees, 45 degrees and 90 degrees respectively along the clockwise direction.

Compared with the prior art, the technical scheme of the utility model mainly has the following advantages:

when the spherical valve core rotates along with the valve rod in the valve cavity, the ball valve can be in four split states, the first is that the valve core rotates to enable the water inlet channel and the second water outlet channel to be communicated with the flow channel in the valve core, and the first water outlet channel is plugged by the spherical surface of the valve core; the second is that the water inlet channel, the first water outlet channel and the second water outlet channel are all communicated with the valve core flow channel, and the ball valve realizes a tee joint; the third is that the water inlet channel is communicated with the first water outlet channel through a valve core flow channel, and the second water outlet channel is blocked by the valve core; the fourth is that the water inlet channel is sealed by the spherical surface of the valve core, and the ball valve is closed; compared with the conventional ball valve, the four-item split flow type ball valve can only realize two circulation states, has more applicable scenes, and can realize large-flow supply by fully opening the ball valve tee joint.

According to the utility model, the magnetic steel lock is arranged on the valve cover sleeve, so that the valve cover sleeve can be limited to continue to rotate through the cooperation of the magnetic steel piece and the limiting hole on the valve body when the valve cover sleeve rotates, and the ball valve is prevented from being opened and closed by mistake; according to the utility model, the positions of the limiting holes on the valve body corresponding to the magnetic steel lock are set to be three pairs, each pair of limiting holes can be correspondingly matched with one pair of mounting holes for mounting the magnetic steel piece up and down, and the included angles between the connecting lines of each pair of limiting holes are respectively set to be 45 degrees, 45 degrees and 90 degrees, and the included angles can correspond to the rotating direction of the spherical valve core, so that the internal flow channel of the valve core can be communicated with three channels of the ball valve to realize four split states when the valve core rotates.

The magnetic steel lock structure comprises the magnetic steel piece and the elastic piece, when the magnetic steel lock is locked, a part of the magnetic steel piece can be pushed into the limiting hole by the elastic piece to realize locking, and when an external magnetic key attracts the magnetic steel piece, the magnetic steel piece compresses the elastic piece upwards to enable the magnetic steel piece to be separated from the limiting hole, so that the valve cover sleeve is unlocked, and the valve cover sleeve can drive the valve rod to rotate continuously.

Drawings

FIG. 1 is a diagram of the external configuration of a diverter ball valve of the present utility model;

FIG. 2 is a longitudinal cross-sectional view of a diverter ball valve of the present utility model;

FIG. 3 is a transverse cross-sectional view of a diverter ball valve of the present utility model;

FIG. 4 is a schematic top view of the magnetic induction lock of the diverter ball valve of the present utility model;

FIG. 5 is a schematic view of a diverter ball valve of the present utility model in a first diverter state;

FIG. 6 is a schematic view of a diverter ball valve of the present utility model in a second diverter state;

FIG. 7 is a schematic view of a third diverter state of the diverter ball valve of the present utility model;

FIG. 8 is a schematic view of a fourth diverter state of the diverter ball valve of the present utility model;

FIG. 9 is a schematic diagram of the spool configuration of the diverter ball valve of the present utility model;

FIG. 10 is a schematic view of the location of the connection between a pair of mounting holes of the present utility model mated with a pair of limiting holes in the 0 position;

FIG. 11 is a schematic view of the structure of the present utility model with the connection line between the mounting holes rotated counterclockwise to a 270 position;

FIG. 12 is a schematic view of the structure of the present utility model with the connection line between the mounting holes rotated counterclockwise to a 180 position;

FIG. 13 is a schematic view of the structure of the present utility model with the connection line between the mounting holes rotated counterclockwise to the 90 position;

fig. 14 is a schematic view showing the structure of the connecting line between the mounting holes of the present utility model rotated counterclockwise to the 45 ° position.

In the figure: the valve comprises a 1-valve body, a 2-O-shaped sealing gasket, a 3-valve core, a 4-valve seat, a 5-three-way valve seat, a 6-valve cover, a 7-valve rod, an 8-gasket, a 9-O-shaped ring, a 10-valve cover sleeve, 11-screws, 12-magnetic keys, 13-elastic pieces and 14-magnetic steel pieces.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the split-flow ball valve provided by the utility model comprises a valve body 1, a valve core 3 and a valve rod 7, wherein a water inlet channel A, a first water outlet channel B and a second water outlet channel C which are mutually communicated are formed in the valve body 1, a valve cavity is formed at the intersection of the three channels in the valve body 1, and a valve cover 6 is arranged outside the end of the second water inlet channel; a pair of valve seats 4 symmetrically arranged at the inner port of the first water outlet channel B and the inner port of the second water outlet channel C and a three-way valve seat 5 arranged at the inner port of the water inlet channel A are also arranged in the valve cavity; the valve core 3 is a sealing ball and is arranged between the two valve seats 4 and the three-way valve seat 5, sealing can be realized when the outer side wall of the valve core 3 is contacted with any valve seat, and an O-shaped sealing gasket 2 is arranged between the valve seat 4 and the inner wall of the valve body 1 for sealing; a flow passage is also arranged in the valve core 3; the valve rod 7 is used for driving the valve core 3 to open and close the ball valve;

during operation, the valve rod 7 drives the valve core 3 to rotate, so that the ball valve can be in four split states: the first state shown in fig. 5 is that the water inlet channel a, the flow channel and the second water outlet channel C are sequentially communicated, and the first water outlet channel B is blocked by the valve core 3; the second state shown in fig. 6 is that the water inlet channel a, the first water outlet channel B and the second water outlet channel C are all communicated with the flow channel; the third state shown in fig. 7 is that the water inlet channel a, the flow channel and the first water outlet channel B are sequentially communicated, and the second water outlet channel C is blocked by the valve core 3; the fourth state shown in fig. 8 is that the water inlet passage a is blocked by the valve body 3 and the ball valve is closed.

In a preferred embodiment, as shown in fig. 9, the aforementioned flow channel includes two channels perpendicular to each other along the arrow direction, and the central axes of the two channels all pass through the center of the valve core, so that each channel can be communicated with the water inlet channel or any water outlet channel when the valve core rotates, and the maximum water flow rate flows through; the openings of the two channels on the spherical surface are not intersected, so that a section of valve core wall exists between the inlet and the outlet of the valve core flow channel and can be matched with the valve seat in a mounting way.

In the preferred embodiment, as shown in fig. 9, the depth h of each channel is smaller than the opening width l of the channel on the surface of the valve core, so that a special slope is formed at the intersection of the two channels, the structural strength of the interior of the valve core is ensured, and the function of buffering the impact of water flow is achieved.

In the preferred embodiment, one end of the valve rod 7 penetrates into the valve cavity from the side surface of the valve body 1 and is fixedly connected with the valve core 3, so that the valve core 3 can be driven to rotate around the axis of the valve rod 7, and the other end of the valve rod 7 is positioned outside the valve body 1 and is fixed in the valve cover sleeve 10 through the screw 11; a sealing gasket 8 is also arranged between the abutting surfaces of the valve rod 7 and the valve body 1, and an O-shaped ring 9 is arranged between the side walls of the valve rod 7 and the valve body for sealing.

In a preferred embodiment, the ball valve of the utility model further comprises a valve cover sleeve 10, wherein the valve cover sleeve 10 is sleeved at one end of the valve rod 7 positioned outside the valve body 1, the lower end surface of the valve cover sleeve 10 is in contact fit with the outer end surface of the valve body 1, through which the valve rod 7 is arranged, and the valve cover sleeve 10 cannot be separated from the valve body 1; in operation, the valve cover 10 can drive the valve rod 7 to rotate relative to the valve body 1.

In the preferred embodiment, the lower end surface of the valve cover sleeve 10 is provided with a mounting hole in which an elastic piece 13 and a magnetic steel piece 14 are arranged; a limiting hole matched with the mounting hole is formed in the end face of the valve body 1, which is in contact fit with the lower end face of the valve cover sleeve 10; when the valve cover sleeve 10 rotates to enable the mounting hole to vertically correspond to the limiting hole, a part of the magnetic steel piece 14 is pushed into the limiting hole by the elastic piece 13 to limit the valve cover sleeve 10 to continue rotating, so that the effect of locking the ball valve is realized, if the valve rod 7 is required to rotate again, a special magnetic key 12 is required to be sleeved on the valve cover sleeve 10, the magnetic steel piece 14 is sucked out of the limiting hole by magnetic force and the elastic piece 13 is compressed to completely enter the mounting hole, and thus the valve cover sleeve 10 can drive the valve rod 7 to continue rotating; in a more preferred embodiment, the elastic member 13 may be a spring.

In a preferred embodiment, the aforementioned mounting holes comprise two, and the two mounting holes are symmetrically opened around the center of the valve rod 7; as shown in fig. 4, the limiting holes comprise three pairs, and each pair of limiting holes can be correspondingly matched with the mounting hole up and down, so that the ball valve can be locked in any split state and cannot be opened or closed by mistake. The included angle between every two of the connecting lines of each pair of limiting holes is 45 degrees, 45 degrees and 90 degrees respectively along the clockwise direction, the initial position of the connecting line of a pair of mounting holes is located right above the pair of limiting holes (the dark round holes in the figure are mounting holes) at the 90 degrees position shown in fig. 4, at this time, the water inlet channel A, the flow channel of the valve core 3 and the first water outlet channel B are sequentially communicated, and the second water outlet channel C is blocked by the outer side wall of the valve core 3.

When the valve stem 7 rotates counterclockwise: as shown in fig. 10, when the connecting line between the pair of mounting holes is matched with the pair of limiting holes at the 0 ° position (the dark round hole is the mounting hole position, the structure of the valve cover sleeve 10 is not shown in the figure), the water inlet channel a, the flow channel of the valve core 3 and the second water outlet channel C are sequentially communicated, and the first water outlet channel B is blocked by the outer side surface of the valve core 3; as shown in fig. 11, when the connecting line between the mounting holes rotates to a 270 ° position, the water inlet channel a and the first water outlet channel B are closed by the outer side wall of the valve core 3, and the ball valve is closed; as shown in fig. 12, when the connecting line between the two mounting holes is rotated to a 180 ° position, the water inlet channel a and the second water outlet channel C are blocked by the valve core 3, and the ball valve is closed; as shown in fig. 13, when the connecting line between the two mounting holes is located at the 90 ° position, the water inlet channel a, the flow channel of the valve core 3 and the first water outlet channel B are sequentially communicated, and the second water outlet channel C is blocked by the valve core 3; as shown in fig. 14, when the connecting line between the two mounting holes is located at the 45 ° position, the water inlet channel a, the first water outlet channel B and the second water outlet channel C are all communicated with the flow channel of the valve core 3, and the valve is completely opened to realize three-way.

When the valve stem 7 rotates clockwise: when the connecting line between the pair of mounting holes is matched with the pair of limiting holes positioned at the 0-degree position, the water inlet channel A, the flow channel of the valve core 3 and the second water outlet channel C are sequentially communicated, and the first water outlet channel B is blocked by the outer side surface of the valve core 3; when the connecting line between the mounting holes rotates to the 45 DEG position, the water inlet channel A, the first water outlet channel B and the second water outlet channel C are communicated with the flow channel of the valve core 3, and the valve is completely opened to realize three-way; when the connecting line between the two mounting holes rotates to a 90-degree position, the water inlet channel A, the flow channel of the valve core 3 and the first water outlet channel B are sequentially communicated, and the second water outlet channel C is blocked by the valve core 3; when the connecting line between the two mounting holes is positioned at the 180-degree position, the water inlet channel A and the second water outlet channel C are both blocked by the valve core 3, the valve ball is closed, and the first water outlet channel B is communicated with the flow passage of the valve core 3.

When the ball valve core rotates along with the valve rod in the valve cavity, the ball valve can be in four split flow states, and compared with the conventional ball valve which can only realize two flow states, the ball valve has more four split flow applicable scenes, and meanwhile, the ball valve is fully opened in a tee joint manner and can be used for large-flow supply.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The split-flow ball valve is characterized by comprising a valve body (1), a valve core (3) and a valve rod (7), wherein a water inlet channel (A), a first water outlet channel (B) and a second water outlet channel (C) which are mutually communicated are formed in the valve body (1), and a valve cavity is formed at the intersection of the three channels in the valve body (1); the valve core (3) is arranged in the valve cavity, and a flow passage is formed in the valve core; the valve rod (7) is used for driving the valve core (3) to rotate, so that the water inlet channel (A), the flow channel and the second water outlet channel (C) are sequentially communicated, the first water outlet channel (B) is blocked by the valve core (3), or the water inlet channel (A), the first water outlet channel (B) and the second water outlet channel (C) are all communicated with the flow channel, or the water inlet channel (A), the flow channel and the first water outlet channel (B) are sequentially communicated, and the second water outlet channel (C) is blocked by the valve core (3), or the water inlet channel (A) is blocked by the valve core (3), and the ball valve is closed; the flow channel comprises two channels which are perpendicular to each other, the central axes of the two channels penetrate through the center of the valve core, and the depth h of each channel is smaller than the width l of an opening of the channel on the surface of the valve core.

2. A diverter ball valve as in claim 1, wherein one end of said valve stem (7) extends from the side of said valve body (1) into said valve cavity and is connected to said valve core (3); the other end of the valve rod (7) is positioned outside the valve body (1).

3. A diverter ball valve as claimed in claim 2, characterized in that said ball valve further comprises a valve cover sleeve (10), said valve cover sleeve (10) being arranged around one end of said valve stem (7) located outside said valve body (1), and a lower end surface of said valve cover sleeve (10) being in contact engagement with said valve body (1); when the valve is in operation, the valve cover sleeve (10) can drive the valve rod (7) to rotate relative to the valve body (1).

4. A diverter ball valve as claimed in claim 3, characterized in that the lower end face of the valve cover sleeve (10) is provided with a mounting hole in which an elastic element (13) and a magnetic steel element (14) are mounted; a limiting hole matched with the mounting hole is formed in the surface of the valve body (1) contacted and matched with the lower end surface of the valve cover sleeve (10); when the valve cover sleeve (10) rotates to enable the mounting hole to vertically correspond to the limiting hole, a part of the magnetic steel piece (14) is pushed into the limiting hole by the elastic piece (13) so as to limit the valve cover sleeve (10) to continuously rotate.

5. A diverter ball valve as in claim 4, wherein said mounting holes comprise two and wherein both said mounting holes are symmetrically open about the center of said valve stem (7).

6. A diverter ball valve as recited in any one of claims 4-5, wherein said stop holes include three pairs, and each pair of stop holes is correspondingly engageable with said mounting holes up and down for enabling said ball valve to be locked.

7. The diverter ball valve as recited in claim 6, wherein the included angle between each pair of said limiting holes is 45 °, 45 ° and 90 ° in the clockwise direction.