CN217683276U

CN217683276U - Low-vibration high-tightness water supply valve

Info

Publication number: CN217683276U
Application number: CN202220034259.8U
Authority: CN
Inventors: 祝征; 郝颖
Original assignee: Huaneng Jiaxiang Power Generation Co ltd
Current assignee: Huaneng Jiaxiang Power Generation Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-10-28
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to the technical field of valves, and discloses a low-vibration high-tightness water supply valve, which comprises a valve body with a water inlet and a water outlet, a valve cover arranged at one end of the valve body, a valve core assembly which is matched with the valve cavity of the valve body and can move in the valve cavity, and a regulating valve rod which is connected with the valve cover and the valve core and penetrates through the valve core assembly, wherein the valve core assembly comprises a valve core and a curved ball head which are formed by connection, a passage for water quality to pass through is arranged at the part of the valve core, which is attached to the inner wall of the valve body, and the curved ball head is arranged at one end close to the water inlet and is used for buffering the impact force of the water quality; the invention can distribute the water flow impact around the curved ball head, effectively decompose the impact, effectively reduce the vibration of the valve body and the pipeline, prevent the valve core or the valve body from being eroded by water, avoid the inner leakage of the valve and improve the sealing performance of the valve.

Description

Low-vibration high-tightness water supply valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to low vibration high leakproofness feed valve.

Background

The existing water supply valve comprises a valve body, a valve cover, a valve core and an adjusting valve rod, wherein an inner cavity at the front end of the valve body is provided with an inner conical surface of the valve body, the rear end of the valve body is sealed by the valve cover, an inner cylindrical surface of the valve body is arranged between the inner conical surface of the valve body and the valve cover, a water inlet is arranged at a front end closing-up part of the inner conical surface of the valve body, and a water outlet is arranged on a side curved surface, close to the rear, of the inner cylindrical surface of the valve body; the front end of the valve core is a valve core outer circular conical surface, the rear end of the valve core is a valve core cylindrical surface, and the valve core cylindrical surface is in sliding fit with the valve body inner cylindrical surface; the inner conical surface of the valve body and the outer conical surface of the valve core form a pair of water flow adjusting surfaces; a plurality of channels are arranged on the circumference of the cylindrical surface of the valve core; the regulating valve rod is connected with the rear end of the valve core through a hole in the valve cover, and the valve core is driven by the regulating valve rod to move back and forth, so that the cross-sectional area of the water flow regulating surface is changed, and the water flow is changed.

However, the existing water supply valve drives the valve core to vibrate violently under the impact of high-pressure high-temperature water flow, and the rapid friction of the water flow on the valve core causes the erosion of the material of the valve core, thereby causing the internal leakage of the valve, the reduction of the sealing performance of the valve and the untight closing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a high leakproofness feed valve of low vibration makes quality of water get into and shunts around the spheroid behind the valve intracavity, makes the impact force of rivers effectively decompose, effectively reduces the vibration of valve body and pipeline, prevents that case or valve body from receiving the erosion of water, avoids taking place the interior phenomenon of leaking of valve, and the sealing performance of valve promotes.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a low high leakproofness of vibration feed valve, including the valve body that has water inlet and delivery port, install the valve gap of valve body one end, with the valve pocket adaptation of valve body just can move in the valve pocket with the case subassembly of control flap on-off state and run through in with the valve gap with the regulating valve pole that the case subassembly is connected, case subassembly is including connecting case and the curved surface bulb that forms, the case with the passageway that is used for quality of water to pass through is seted up to the part of valve body inner wall laminating, the curved surface bulb sets up and is being close to the one end of water inlet for the impact force of buffering quality of water.

In some embodiments of the present application, the curved ball is an elliptical ball, the valve core is provided with an elliptical groove adapted to the elliptical ball, and the elliptical ball is connected to the valve core through a bolt.

In some embodiments of the present application, the curved ball head is a hemispherical head, a spherical surface of the hemispherical head is disposed opposite to the water inlet, and a planar end of the hemispherical head is connected to the valve core through a bolt.

In some embodiments of the present application, a groove is formed at an end of the valve element connected to the regulating valve rod.

In some embodiments of the present application, the inner wall of the valve body is provided with a cushion pad for sealing the curved ball head with the inner wall of the valve body.

In some embodiments of the present application, the cushion pad is made of metal or plastic.

In some embodiments of the present application, the material of the cushion pad is copper or high molecular polyethylene.

In some embodiments of the present application, the valve cover is connected to the valve body by welding or by bolts.

The utility model has the advantages that: by arranging the curved ball head, the impact force of water flow flowing into the valve body from the water inlet is distributed around the ball body, so that the impact force is effectively decomposed, and the vibration of the valve body and a pipeline is effectively reduced; the cushion pad is arranged on the inner wall of the valve body, so that the sealing performance of the curved-surface ball head and the inner wall of the valve body is ensured; the valve body weight can be reduced by arranging the groove at one end of the valve core far away from the curved-surface ball head, the pressure at two sides of the valve core can be balanced, and the vibration is reduced.

Drawings

FIG. 1 is a schematic structural view of a water supply valve with low vibration and high tightness according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an elliptical ball head in embodiment 1 of the present invention;

fig. 3 is a front view of a first valve cartridge according to embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of a novel low-vibration high-tightness water supply valve according to embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a hemispherical head according to embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a valve element according to embodiment 2 of the present invention.

In the figure, 1, a first valve body; 11. a first water inlet; 12. a first valve body inner conical surface; 13. an inner cylindrical surface of the first valve body; 14. a first water outlet; 15. a metal cushion pad; 2. a bolt connection type valve cover; 3. an ellipsoidal spool assembly; 31. an oval ball head; 311. an ellipsoid; 312. a screw; 32. a first valve spool; 321. an elliptical trough; 322. a first threaded hole; 323. a first spool cylindrical surface; 324. a first channel; 325. a first pushing surface; 4. adjusting the valve rod; 5. a second valve body; 51. a second water inlet; 52. a second valve body inner conical surface; 53. a second valve body inner cylindrical surface; 54. a second water outlet; 55. a plastic type cushion pad; 6. welding a valve cover; 7. a spherical spool assembly; 71. a hemispherical head; 711. a sphere surface; 712. a threaded unthreaded hole; 713. a rear plane of the ball head; 72. a second valve spool; 721. a mounting plane; 722. a second threaded hole; 723. a second spool cylindrical surface; 724. a second channel; 725. a second pushing surface; 73. and (4) screws.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 3, in some embodiments of the present application, a low-vibration high-tightness water supply valve includes a first valve body 1 of a bolt connection type, a valve cover 2 of a bolt connection type, an ellipsoidal valve core assembly 3, and a regulating valve stem 4; the inner wall of the front end of the first valve body 1 is a first valve body inner conical surface 12, the rear end of the first valve body 1 is sealed by using a bolt connection type valve cover 2, so that in use, internal parts can be disassembled and replaced when damaged, a first valve body inner cylindrical surface 13 is arranged between the first valve body inner conical surface 12 and the bolt connection type valve cover 2, a first water inlet 11 is formed in a front end closing opening of the first valve body inner conical surface 12, and a first water outlet 14 is formed in a side curved surface, close to the rear, of the first valve body inner cylindrical surface 13; the ellipsoidal valve core component 3 is matched with the valve cavity of the first valve body 1 and can move in the valve cavity, the adjusting valve rod 4 penetrates through a hole in the valve cover 2 to be connected with the rear end of the ellipsoidal valve core component 3, and the ellipsoidal valve core component 3 is driven to move back and forth through the adjusting valve rod 4 so as to control the on-off state of the valve.

In order to further optimize the above embodiment, the ellipsoidal valve core assembly 3 includes a first valve core 32 and an ellipsoidal ball 31 connected to the first valve core 32, the outer wall of the rear end of the first valve core 32 is a first valve core cylindrical surface 323, a first channel 324 is formed on the first valve core cylindrical surface 323, the first valve core cylindrical surface 323 is attached to the first valve body inner cylindrical surface 13 and is slidably connected to the first valve body inner cylindrical surface, and the first channel 324 enables the front and rear valve cavities inside the first valve body 1 to be communicated; a screw 312 is arranged on a wider curved surface of the elliptical ball head 31, an elliptical groove 321 matched with the elliptical ball head 31 is arranged at the front end of the first valve core 32, a first threaded hole 322 arranged inside the first valve core 32 is communicated with the elliptical groove 321 and matched with the first threaded hole 322 through the screw 312, a part of the elliptical ball head 31 is placed in the elliptical groove 321 to be fixedly connected with the first valve core 32, a part of the elliptical ball head 31 exposed outside the elliptical groove 321 is an elliptical surface 311, and the elliptical surface 311 is opposite to the first water inlet 11; when the water flows into the valve cavity, the ellipsoid 311 and the inner conical surface 12 of the first valve body cooperate to form a pair of curved water flow adjusting surfaces.

The water passing area between the water flow adjusting surfaces of the first valve core 32 moving back and forth is changed, so that the water flow is changed; the water flow adjusting surface with the structure can effectively reduce the vibration of the valve body and the pipeline, so that the impact force of water flow is distributed around the ball body, the impact force is effectively decomposed, the valve core or the valve body is prevented from being corroded by water, the phenomenon of internal leakage of the valve is avoided, and the sealing performance of the valve is improved; and the oval bulb 31 can be dismantled, can change into new after damaging to the life of extension feed water valve.

In order to further optimize the above embodiment, a layer of metal buffer 15, such as a copper buffer, may be attached to the inner conical surface 12 of the first valve body, which has a better use effect, copper is more corrosion resistant than steel, and copper is softer than steel and has plasticity, the oval ball head 31 and the copper buffer are extruded, and copper is plastically deformed, so that the shapes of the two completely coincide, and the sealing performance is greatly improved.

In order to further optimize the above embodiment, the rear end surface of the first valve core 32 can be made into a groove-shaped first pushing surface 325, which can save materials, reduce the weight of the valve body, and balance the pressure on both sides of the valve core 32, and reduce vibration.

Embodiment 2, as shown in fig. 4 to 6, a low-vibration high-tightness water supply valve includes a welding type second valve body 5, a welding type bonnet 6, a spherical valve core assembly 7, and a regulating valve stem 4; the inner wall of the front end of the second valve body 5 is a second valve body inner conical surface 52, the rear end of the second valve body 5 is sealed by a welding type valve cover 6, the process is simple, the processing efficiency is high, the processing cost is low, a second valve body inner cylindrical surface 53 is arranged between the second valve body inner conical surface 52 and the welding type valve cover 6, a second water inlet 51 is formed in a front end closing port of the second valve body inner conical surface 52, a second water outlet 54 is formed in a side curved surface, close to the rear, of the second valve body inner cylindrical surface 53, the ball valve core assembly 7 is matched with the valve cavity of the first valve body 5 and can move in the valve cavity, the adjusting valve rod 4 penetrates through a hole in the welding type valve cover 6 to be connected with the rear end of the second valve core 72, the ball valve core assembly 7 is driven to move back and forth by the adjusting valve rod 4, and the on-off state of the valve is controlled.

In order to further optimize the above embodiment, the spherical valve core assembly 7 includes a second valve core 72 and a hemispherical head 71 connected to the second valve core 72, a second valve core cylindrical surface 723 is provided at the rear end of the second valve core 72, a second channel 724 is provided on the second valve core cylindrical surface 723, the second valve core cylindrical surface 723 is in sliding fit with the second valve inner cylindrical surface 53, and the second channel 724 enables a valve cavity inside the second valve body 5 to communicate; the front end of the hemispherical head 71 is a spherical surface 711, the rear end of the hemispherical head 71 is a ball head rear plane 713, a threaded unthreaded hole 712 is arranged in the hemispherical head 71, a mounting plane 721 is arranged at the front end of the second valve core 72, a second threaded hole 722 is arranged on the mounting plane 721, the ball head rear plane 713 is close to the mounting plane 721, the threaded unthreaded hole 712 is matched with the second threaded hole 722, the hemispherical head 71 and the mounting plane are assembled together through a screw 73, and when water enters the valve cavity, the spherical surface 711 and the second valve body inner conical surface 52 are matched to form a pair of curved water flow adjusting surfaces.

When the second valve core 72 moves back and forth, the water passing area between the water flow adjusting surfaces is changed, so that the water flow is changed; the water flow regulating surface with the structure can effectively reduce the vibration of the valve body and the pipeline, so that the water flow impact force is distributed around the ball body, the impact force is effectively decomposed, the valve core or the valve body is prevented from being corroded by water, the phenomenon of internal leakage of the valve is avoided, and the sealing performance of the valve is improved.

Compared with the embodiment 1, the valve core assembly of the embodiment is simple to process and low in production cost.

In order to further optimize the above embodiment, a plastic type buffer 55, such as a buffer made of high molecular polyethylene, can be attached to the inner conical surface 52 of the second valve body, which has a better use effect, the plastic is more corrosion resistant than steel, and the plastic is softer than steel and has elasticity, the hemispherical head 71 is extruded with the buffer made of plastic, the plastic is elastically deformed, the shapes of the two are completely matched, the plastic can be better filled between the inner conical surface 52 of the second valve body and the spherical surface 711, and the sealing performance is greatly improved.

To sum up, the utility model provides a high leakproofness feed valve of low vibration drives the case subassembly through control regulating valve rod and moves left and right in order to open or close the valve, when the curved surface bulb pastes with the valve body inner wall, the valve is the closed condition, when the regulating valve rod drives the case subassembly and moves right, rivers flow into the valve chamber from the water inlet, rivers impact on the curved surface bulb, rivers impact force is shunted around the spheroid, the impact force of rivers effectively decomposes, rivers pass through the passageway of case and get into the valve chamber rear end, the rethread delivery port flows out, when the valve needs to close, push the case to the water inlet, the curved surface bulb passes through buffer point and valve body inner wall sealing connection; the device can prevent the valve core or the valve body from being corroded by water, avoid the phenomenon of internal leakage of the valve and improve the sealing performance of the valve.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a low high leakproofness of vibration feed valve, including the valve body that has water inlet and delivery port, install the valve gap of valve body one end, with the valve pocket adaptation of valve body just can move in the valve pocket with the case subassembly of control flap on-off state and run through in with the valve gap with the regulating valve pole that the case subassembly is connected, a serial communication port, the case subassembly is including connecting case and the curved surface bulb that forms, the case with offer the passageway that is used for quality of water to pass through on the outer wall of valve body inner wall laminating, the curved surface bulb sets up and is being close to the one end of water inlet for the impact force of buffering quality of water.

2. The water supply valve with low vibration and high tightness as claimed in claim 1, wherein said curved ball is an elliptical ball, said valve core is provided with an elliptical groove adapted to said elliptical ball, and said elliptical ball is connected to said valve core by a bolt.

3. The water supply valve with low vibration and high tightness as claimed in claim 1, wherein said curved ball head is a hemispherical head, a spherical surface of said hemispherical head is disposed opposite to said water inlet, and a flat end of said hemispherical head is connected to said valve core by a bolt.

4. The water supply valve with low vibration and high tightness as claimed in any one of claims 1 to 3, wherein the end of the valve core connected with the adjusting valve rod is provided with a groove.

5. The water supply valve with low vibration and high tightness as claimed in claim 1, wherein said inner wall of the valve body is provided with a cushion pad for sealing said curved ball head with said inner wall of the valve body.

6. The water supply valve with low vibration and high tightness as claimed in claim 5, wherein the material of said buffer pad is metal or plastic.

7. The water supply valve with low vibration and high tightness as claimed in claim 5, wherein the material of said buffer pad is copper or polyethylene.

8. The water supply valve with low vibration and high tightness as claimed in claim 1, wherein said valve cover is connected with said valve body by welding or by bolts.