CN110925467B - Liquid accumulation prevention ball valve - Google Patents
Liquid accumulation prevention ball valve Download PDFInfo
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- CN110925467B CN110925467B CN201911166024.3A CN201911166024A CN110925467B CN 110925467 B CN110925467 B CN 110925467B CN 201911166024 A CN201911166024 A CN 201911166024A CN 110925467 B CN110925467 B CN 110925467B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/184—Combined check valves and actuated valves
- F16K15/1848—Check valves combined with valves having a rotating tap or cock
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to the technical field of ball valves, and aims to provide a liquid accumulation prevention ball valve which comprises a valve body, a ball core and a valve rod, wherein a fluid channel capable of communicating a liquid inlet with a liquid outlet is formed in the ball core; the lower end of the fluid passage is provided with a liquid discharge hole which penetrates through the ball core downwards, the lower end of the valve body is provided with a liquid discharge cavity communicated with the liquid discharge hole, a sealing rod which can move along the length direction of the valve rod is arranged in the liquid discharge cavity, and one end, close to the ball core, of the sealing rod is provided with a sealing plug which can seal the liquid discharge hole. After the control valve rod drives the ball core to rotate to cut off the fluid passage, the sealing rod is controlled to move downwards along the axial lead of the valve rod, and the sealing plug is driven to open the liquid discharge hole, so that residual liquid in the fluid passage can downwards enter the liquid discharge cavity through the liquid discharge hole, the phenomenon that the liquid is stopped in the fluid passage for a long time to cause bacteria breeding to deteriorate is avoided, and the deteriorated liquid is prevented from being mixed into new liquid after the ball valve is opened to influence the product quality.
Description
Technical Field
The invention relates to the technical field of ball valves, in particular to a liquid accumulation preventing ball valve.
Background
The ball valve has a ball-shaped opening and closing part, is driven by a valve rod and rotates around the axis of the ball valve, and can also be used for regulating and controlling fluid.
At present, a chinese patent document with an authorization publication number of CN203823117U in the prior art discloses a liquid-free ball valve, which comprises a valve body, a steel ball, a valve rod assembly and a pair of ball pads; a through hole which is the same as the water inlet and the water outlet is formed in the steel ball; the ball pads on the two sides of the steel ball completely wrap the steel ball, so that when the steel ball is opened or closed, the through hole of the steel ball is always in contact with the side wall of the semicircular cavity of the ball pad, liquid is effectively prevented from flowing into a gap between the steel ball and the valve body and between the valve rod assembly and the steel ball, and the accumulation of residual leaves is avoided.
However, when the steel ball is closed in a rotating manner, accumulated liquid is remained in the through hole of the steel ball, when the ball valve is applied to industries such as food, pharmacy and drinking water, if the closing time of the ball valve is long, the accumulated liquid remained in the steel ball is caused to breed bacteria, and therefore the product quality is influenced when new liquid is mixed after the ball valve is opened.
Disclosure of Invention
The invention aims to provide an anti-liquid-accumulation ball valve which has the effect of reducing residual liquid accumulation in the ball valve.
The technical purpose of the invention is realized by the following technical scheme:
a liquid accumulation prevention ball valve comprises a valve body, a ball core and a valve rod, wherein a spherical cavity is arranged in the valve body, and a liquid inlet and a liquid outlet which are communicated with the spherical cavity are arranged at two ends of the valve body; the ball core is rotatably connected in the spherical cavity and is provided with a fluid channel which can be communicated with the liquid inlet and the liquid outlet; one end of the valve rod is connected to the ball core, and the other end of the valve rod upwards penetrates through the valve body and is rotationally connected with the valve body; the lower end of the fluid passage is provided with a liquid discharge hole which downwards penetrates through the ball core along the axial lead of the valve rod, the lower end of the valve body is provided with a liquid discharge cavity communicated with the liquid discharge hole, a sealing rod which can move along the length direction of the valve rod is arranged in the liquid discharge cavity, and one end, close to the ball core, of the sealing rod is provided with a sealing plug which can seal the liquid discharge hole.
Through adopting above-mentioned technical scheme, after control valve rod drives the ball core and rotates and cut off fluid passage, through the axial lead downstream of control seal rod along the valve rod, the outage is opened to the drive sealing plug to make remaining liquid can pass through the outage and get into the flowing back chamber downwards in the fluid passage, avoid liquid to stop for a long time and lead to bacterial growing to appear rotten in fluid passage, prevent that rotten liquid influences product quality in sneaking into new liquid after the ball valve is opened.
The invention is further configured to: the sealing rod penetrates through the liquid discharge cavity along the axial lead of the valve rod and is in threaded connection with the valve body; the end part of the sealing rod penetrating out of the valve body is provided with a hexagonal rotating head.
Through adopting above-mentioned technical scheme, utilize the head of rotating to be convenient for operating personnel control sealing rod and rotate to utilize the screw thread to make sealing rod upwards promote the sealing plug and carry out the shutoff to the outage.
The invention is further configured to: the sealing plug is rotatably connected with the sealing rod along the axial lead of the valve rod.
Through adopting above-mentioned technical scheme, can take place relative rotation along the axial lead between messenger's sealing rod and the sealing plug, drive sealing plug and sealing rod rotation when preventing that the ball core from rotating, lead to the sealing rod to follow the screw downstream and make the leakage appear between sealing plug and the outage.
The invention is further configured to: and a liquid outlet hole which penetrates through the valve body towards one radial side is formed in the bottom of the liquid discharge cavity.
By adopting the technical scheme, the liquid flowing into the liquid discharge cavity can be guided out to the collecting device for reutilization by using the liquid discharge hole, so that the cost loss is reduced; and the liquid outlet hole can be used as an additive adding inlet for adding a liquid additive into the fluid channel, the capacity of the liquid discharging cavity is calculated, a certain amount of liquid additive is injected into the liquid outlet hole until the liquid additive fills the liquid discharging cavity and upwards enters the fluid channel through the liquid discharging hole, the sealing rod is controlled to move upwards at the moment, the liquid discharging hole is sealed by the sealing plug, and the additive in the fluid channel can be mixed into the liquid in the pipeline when the ball core rotates to enable the fluid channel to be communicated with the liquid inlet and the liquid outlet at the two ends.
The invention is further configured to: a circle of limiting steps are arranged in the fluid channel along the circumferential direction, and one side of each limiting step is hinged with a one-way valve clack capable of turning towards the side; the check valve clack is discoid, and the one side terminal surface of check valve clack towards spacing step can support on spacing step and separate fluid passage.
Through adopting above-mentioned technical scheme, utilize one-way valve clack to make the ball valve have the function of check valve simultaneously, and the opening direction that can change one-way valve clack after the ball core rotates 180 degrees to the realization is adjusted the effect to the direction of one-way circulation.
The invention is further configured to: and a rotating cavity for the upward rotation of the one-way valve clack is arranged at the top of the fluid passage.
By adopting the technical scheme, the rotation cavity is utilized to enlarge the rotation angle range of the one-way valve clack in the fluid passage, and the one-way valve clack is prevented from influencing the flow of liquid in the fluid passage.
The invention is further configured to: the spacing steps are arranged on one side of the liquid discharge hole at intervals, and the one-way valve clack is abutted against the spacing steps and is located between the spacing steps and the liquid discharge hole.
By adopting the technical scheme, the ball core is rotated to one side of the one-way valve clack which is opened towards the liquid inlet direction, so that the one-way valve clack is extruded on the limiting step under the pressure of liquid, and the fluid channel is blocked; at the moment, the sealing plug is opened, and liquid entering the fluid channel through the liquid inlet can flow out through the liquid discharge hole and the liquid discharge hole, so that the emptying or reversing effect can be realized, and the ball valve has the function of a reversing valve.
The invention is further configured to: a blind groove is formed in one side, close to the liquid discharge hole, of the limiting step, and a pushing block is connected in the blind groove in a sliding mode towards the direction of the liquid discharge hole; when the single valve clack is abutted against the limiting step, the pushing block is pushed into the hidden groove; and an extrusion spring is arranged between one side of the push block back to the one-way valve clack and the inner wall of the blind groove.
Through adopting above-mentioned technical scheme, when rotating the ball core and making fluid passage and inlet and liquid outlet stagger, one-way valve clack loses the pressure of liquid for the ejector pad can be opened certain distance with one-way valve clack top under extrusion spring's effect, makes the both sides of one-way valve clack be linked together, thereby makes remaining liquid homoenergetic in one-way valve clack both sides flow into the outage and discharge.
The invention is further configured to: a limiting hole penetrating towards the liquid discharge hole is formed in the bottom of the hidden groove; the lower end of the push block is provided with a limiting rod which is connected in a limiting hole in a sliding manner; the end part of the limiting rod penetrates out of the limiting hole, and the penetrating length is equal to the length of the pushing block outside the concealed groove.
Through adopting above-mentioned technical scheme, when one-way valve clack was pushed the ejector pad into the camera obscura under the pressure effect of liquid in, the tip of gag lever post was located spacing downthehole equally, utilized the sealing plug to carry out the shutoff to the outage this moment, can be downthehole at spacing with the gag lever post restriction, made the ejector pad also can't follow the camera obscura ejecting effort of exerting one-way valve clack to guarantee one-way valve clack's separation effect.
The invention is further configured to: the liquid discharge hole is in a horn shape with a narrow top and a wide bottom, and the sealing plug is in a circular truncated cone shape matched with the liquid discharge hole; and the end part of the limiting rod is provided with a chamfer angle with the same inclination angle as the side wall of the liquid discharge hole.
By adopting the technical scheme, when the sealing plug moves upwards to plug the liquid discharge hole, the upper end of the sealing block can be propped against the chamfer surface of the limiting rod and is propped into the limiting hole.
In conclusion, the beneficial effects of the invention are as follows:
1. after the control valve rod drives the ball core to rotate to block the fluid channel, the sealing rod is controlled to move downwards along the axial lead of the valve rod, and the sealing plug is driven to open the liquid discharge hole, so that residual liquid in the fluid channel can downwards enter the liquid discharge cavity through the liquid discharge hole, bacteria are prevented from breeding and deteriorating due to the fact that the liquid stays in the fluid channel for a long time, and the deteriorated liquid is prevented from being mixed into new liquid after the ball valve is opened to affect the product quality;
2. the liquid flowing into the liquid discharge cavity can be guided out to the collecting device for reutilization by using the liquid discharge hole, so that the cost loss is reduced; and the liquid outlet hole can be used as an additive adding inlet for adding a liquid additive into the fluid channel, the capacity of the liquid discharging cavity is calculated, a certain amount of liquid additive is injected into the liquid outlet hole until the liquid additive fills the liquid discharging cavity and upwards enters the fluid channel through the liquid discharging hole, the sealing rod is controlled to move upwards at the moment, the liquid discharging hole is sealed by the sealing plug, and the additive in the fluid channel can be mixed into the liquid in the pipeline when the ball core rotates to enable the fluid channel to be communicated with the liquid inlet and the liquid outlet at the two ends.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic view of the sealing plug of fig. 2 in a state where the drain hole is opened.
Reference numerals: 1. a valve body; 11. a liquid inlet; 12. a liquid outlet; 13. a liquid discharge cavity; 131. a liquid outlet hole; 2. a ball core; 21. a fluid channel; 211. rotating the cavity; 22. a drain hole; 23. a groove; 231. a limiting step; 232. a hidden groove; 233. a limiting hole; 24. a one-way valve flap; 25. a push block; 251. a limiting rod; 2511. chamfering; 26. a compression spring; 3. a valve stem; 31. a handle; 4. a sealing rod; 41. a sealing plug; 42. the head is rotated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
This embodiment discloses a prevent amasss ball valve, as shown in fig. 1, including valve body 1, ball core 2 and valve rod 3, the shaping has spherical chamber (not mark in the picture) in the valve body 1, and the inlet 11 and the liquid outlet 12 in the spherical chamber of intercommunication are then seted up at the both ends of valve body 1 to be provided with the flange subassembly respectively and be used for the connecting tube. The valve rod 3 is rotatably connected to the upper end of the valve body 1, and a handle 31 convenient for rotation operation is arranged at the end part of the valve rod 3 exposed out of the valve body 1; the ball core 2 is rotatably connected in the spherical cavity, and a fluid channel 21 capable of communicating the liquid inlet 11 and the liquid outlet 12 is arranged on the ball core 2 along the radial direction of the valve rod 3; the end of the valve rod 3 in the valve body 1 is fixed relative to the ball core 2, so that the valve rod 3 can control the rotation of the ball core 2 to cut off or open the fluid channel 21 and control the flow of liquid in the pipeline.
As shown in fig. 1 and 2, the lower end of the fluid passage 21 is provided with a liquid discharge hole 22 penetrating the ball core 2 downward along the axial line of the valve rod 3, the lower end of the valve body 1 is provided with a liquid discharge chamber 13 communicating with the liquid discharge hole 22, and the bottom of the liquid discharge chamber 13 is provided with a liquid outlet hole 131 penetrating the valve body 1 toward one side in the radial direction. The bottom of the valve body 1 is in threaded connection with a sealing rod 4 which upwards penetrates into the liquid discharge cavity 13 along the axial lead of the valve rod 3, the end part of the sealing rod 4, which is positioned outside the valve body 1, is fixedly connected with a hexagonal rotating head 42, so that an operator can conveniently control the sealing rod 4 to rotate, and the end part of the sealing rod 4, which is positioned in the liquid discharge cavity 13, is rotatably connected with a sealing plug 41 which can seal the liquid discharge hole 22 along the axial lead. After control valve rod 3 drives ball core 2 and rotates and cut off fluid passage 21, through the downward motion of control seal rod 4, drive sealing plug 41 opens outage 22 to make remaining liquid in the fluid passage 21 can pass through outage 22 and get into the flowing back chamber 13 downwards, avoid liquid to stop for a long time and lead to bacterial growing to appear rotten in fluid passage 21, prevent that rotten liquid from sneaking into in new liquid after the ball valve is opened and influencing product quality. The liquid flowing into the liquid discharge cavity 13 can be guided out to the collecting device for reuse by using the liquid outlet holes 131, so that the cost loss is reduced; and also to enable the exit opening 131 to be used as an additive inlet for adding a liquid additive to the fluid channel 21.
As shown in fig. 1 and 2, a circle of groove 23 is formed in the fluid passage 21 along the circumferential direction, an annular limiting step 231 is formed on one side of the groove 23, and a one-way valve flap 24 capable of turning towards the groove 23 is hinged on one side of the limiting step 231 facing the groove 23. One-way valve clack 24 is discoid, and one-way valve clack 24 can support on spacing step 231 and separate fluid passage 21 towards a side end face of spacing step 231 for the ball valve has had the function of check valve simultaneously, and can change one-way valve clack 24's opening direction after ball core 2 rotates 180 degrees, thereby realizes the effect of adjusting the direction of one-way circulation.
As shown in fig. 1, the top of the fluid passage 21 is formed with a rotation cavity 211 for the one-way flap 24 to rotate upward, thereby increasing the range of angles that the one-way flap 24 rotates in the fluid passage 21 and preventing the one-way flap 24 from affecting the flow of the liquid in the fluid passage 21.
As shown in fig. 2 and 3, the drainage hole 22 is opened in the recess 23, and the check valve flap 24 is located between the limiting step 231 and the drainage hole 22 when abutting against the limiting step 231. A dark groove 232 is formed in one side, close to the liquid discharge hole 22, of the limiting step 231, a pushing block 25 is connected in the dark groove 232 in a sliding mode towards the direction of the liquid discharge hole 22, and an extrusion spring 26 is arranged between one side, back to the one-way valve clack 24, of the pushing block 25 and the inner wall of the dark groove 232; the bottom of the blind groove 232 is provided with a limiting hole 233 penetrating toward the drain hole 22, and the lower end of the push block 25 is integrally formed with a limiting rod 251 slidably connected in the limiting hole 233. The liquid discharge hole 22 is in a horn shape with a narrow top and a wide bottom, the sealing plug 41 is in a circular truncated cone shape matched with the liquid discharge hole 22, and a chamfer 2511 with the same inclination angle as the side wall of the liquid discharge hole 22 is formed at the end part of the limiting rod 251.
When the one-way valve clack 24 is opened, the outer end of the one-way valve clack is ejected out of the hidden groove 232 under the action of the extrusion spring 26, and the ejected length is equal to the length of the end part of the limiting rod 251 which penetrates out of the limiting hole 233; when the one-way valve flap abuts on the limit step 231, the push block 25 is pushed into the blind groove 232 by the one-way valve flap 24, and the limit rod 251 is also pushed into the limit hole 233. When the ball core 2 is rotated to make the fluid passage 21 stagger from the fluid inlet 11 and the fluid outlet 12, the one-way valve flap 24 loses the pressure of the fluid, so that the push block 25 can push the one-way valve flap 24 away by a certain distance under the action of the extrusion spring 26, the two sides of the one-way valve flap 24 are communicated, and the residual fluid on the two sides of the one-way valve flap 24 can flow into the fluid discharge hole 22 to be discharged.
The specific workflow of this embodiment is as follows:
when the valve works normally, the ball core 2 not only has the function of controlling the on-off of the valve body 1, but also has the effect of one-way circulation of the one-way valve; when the ball core 2 is rotated to the side of the one-way valve clack 24 opened towards the liquid inlet 11, the one-way valve clack 24 is extruded on the limiting step 231 under the pressure of liquid, so that the fluid channel 21 is isolated, at the moment, the sealing plug 41 is opened, the liquid entering the fluid channel 21 through the liquid inlet 11 flows out through the liquid discharge hole 22 and the liquid discharge hole 131, the emptying or reversing effect can be realized, and the ball valve has the function of a reversing valve.
When the additive is added into the fluid channel 21, the capacity of the liquid discharge cavity 13 is calculated, a certain amount of liquid additive is injected into the liquid outlet hole 131 until the liquid additive fills the liquid discharge cavity 13 and upwards enters the fluid channel 21 through the liquid discharge hole 22, the sealing rod 4 is controlled to move upwards at the moment, the liquid discharge hole 22 is sealed by the sealing plug 41, and then when the ball core 2 rotates to enable the fluid channel 21 to be communicated with the liquid inlet 11 and the liquid outlet 12 at the two ends, the additive in the fluid channel 21 can be mixed into the liquid in the pipeline.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. An anti-liquid-accumulation ball valve comprises a valve body (1), a ball core (2) and a valve rod (3), wherein a spherical cavity is arranged in the valve body (1), and a liquid inlet (11) and a liquid outlet (12) which are communicated with the spherical cavity are arranged at two ends of the valve body (1); the ball core (2) is rotatably connected in the spherical cavity, and a fluid channel (21) capable of communicating the liquid inlet (11) and the liquid outlet (12) is formed in the ball core (2); one end of the valve rod (3) is connected to the ball core (2), and the other end of the valve rod upwards penetrates through the valve body (1) and is rotatably connected with the valve body (1); the method is characterized in that: a liquid discharge hole (22) which penetrates through the ball core (2) downwards is formed in the lower end of the fluid channel (21) along the axial lead of the valve rod (3), a liquid discharge cavity (13) communicated with the liquid discharge hole (22) is formed in the lower end of the valve body (1), a sealing rod (4) capable of moving along the length direction of the valve rod (3) is arranged in the liquid discharge cavity (13), and a sealing plug (41) capable of sealing the liquid discharge hole (22) is arranged at one end, close to the ball core (2), of the sealing rod (4); a circle of limiting steps (231) are arranged in the fluid channel (21) along the circumferential direction, and one side of each limiting step (231) is hinged with a one-way valve clack (24) capable of turning towards the side; the one-way valve clack (24) is disc-shaped, and one side end face, facing the limiting step (231), of the one-way valve clack (24) can be abutted against the limiting step (231) and separates the fluid channel (21); the limiting step (231) is arranged on one side of the liquid discharge hole (22) at intervals, and the one-way valve clack (24) is positioned between the limiting step (231) and the liquid discharge hole (22) when abutting against the limiting step (231); a hidden groove (232) is formed in one side, close to the liquid discharge hole (22), of the limiting step (231), and a pushing block (25) is connected in the hidden groove (232) in a sliding mode towards the direction of the liquid discharge hole (22); when the single valve clack is abutted against the limiting step (231), the pushing block (25) is pushed into the hidden groove (232); an extrusion spring (26) is arranged between one side of the push block (25) back to the one-way valve clack (24) and the inner wall of the hidden groove (232).
2. The anti-hydrops ball valve of claim 1, wherein: the sealing rod (4) penetrates through the liquid discharge cavity (13) along the axial lead of the valve rod (3) and is in threaded connection with the valve body (1); the end part of the sealing rod (4) penetrating out of the valve body (1) is provided with a hexagonal rotating head (42).
3. The anti-hydrops ball valve of claim 2, wherein: the sealing plug (41) is rotatably connected with the sealing rod (4) along the axial lead of the valve rod (3).
4. The anti-hydrops ball valve of claim 2, wherein: the bottom of the liquid discharge cavity (13) is provided with a liquid outlet hole (131) which penetrates through the valve body (1) towards one radial side.
5. The anti-hydrops ball valve of claim 1, wherein: the top of the fluid channel (21) is provided with a rotating cavity (211) for the upward rotation of the one-way valve clack (24).
6. The anti-hydrops ball valve of claim 1, wherein: a limiting hole (233) penetrating towards the liquid discharge hole (22) is formed in the bottom of the blind groove (232); the lower end of the push block (25) is provided with a limiting rod (251) which is connected in a limiting hole (233) in a sliding manner; the end part of the limiting rod (251) penetrates through the limiting hole (233) and the penetrating length is equal to the length of the pushing block (25) outside the hidden groove (232).
7. The anti-hydrops ball valve of claim 6, wherein: the liquid discharge hole (22) is in a horn shape with a narrow top and a wide bottom, and the sealing plug (41) is in a circular truncated cone shape matched with the liquid discharge hole (22); and a chamfer angle (2511) with the same inclination angle as the side wall of the liquid discharge hole (22) is arranged at the end part of the limiting rod (251).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166024.3A CN110925467B (en) | 2019-11-25 | 2019-11-25 | Liquid accumulation prevention ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166024.3A CN110925467B (en) | 2019-11-25 | 2019-11-25 | Liquid accumulation prevention ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN110925467A CN110925467A (en) | 2020-03-27 |
| CN110925467B true CN110925467B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911166024.3A Active CN110925467B (en) | 2019-11-25 | 2019-11-25 | Liquid accumulation prevention ball valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648415B (en) * | 2020-12-15 | 2023-10-13 | 安徽银通物联有限公司 | One-way ball valve for controlling water flow |
| CN113464684B (en) * | 2021-07-29 | 2022-08-05 | 衡阳泰豪通信车辆有限公司 | Vehicle-mounted equipment with network port conversion chip |
| CN113503384B (en) * | 2021-07-29 | 2023-02-03 | 衡阳泰豪通信车辆有限公司 | Hydraulic control device with power supply circuit |
| CN113464685B (en) * | 2021-07-29 | 2022-08-05 | 衡阳泰豪通信车辆有限公司 | Vehicle-mounted management and control shunting equipment |
| CN113503385B (en) * | 2021-07-29 | 2023-02-03 | 衡阳泰豪通信车辆有限公司 | Flow control equipment with multi-interface control panel |
| CN113551057A (en) * | 2021-08-13 | 2021-10-26 | 狄蕊 | Ball valve for food processing factory |
| WO2024176081A1 (en) * | 2023-02-22 | 2024-08-29 | Castel S.R.L. | Ball valve with a retaining system |
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| CN207131907U (en) * | 2017-08-07 | 2018-03-23 | 浙江恒通阀门有限公司 | A kind of ball valve |
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| US3565099A (en) * | 1970-01-02 | 1971-02-23 | John M Young | Reversible check valve |
| CN2032278U (en) * | 1987-08-15 | 1989-02-08 | 唐长福 | Sanitary main water tap |
| GB2275757A (en) * | 1993-03-02 | 1994-09-07 | David Mcsorley | Flow control valves |
| CN207131907U (en) * | 2017-08-07 | 2018-03-23 | 浙江恒通阀门有限公司 | A kind of ball valve |
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| CN110925467A (en) | 2020-03-27 |
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Denomination of invention: An anti liquid accumulation ball valve Effective date of registration: 20220727 Granted publication date: 20210611 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: WENZHOU HAIGE VALVE Co.,Ltd. Registration number: Y2022980011355 |