CN213088807U

CN213088807U - Ball valve with good sealing performance

Info

Publication number: CN213088807U
Application number: CN202022044317.9U
Authority: CN
Inventors: 胡雁军
Original assignee: Wuxi Kaili Valve Industry Co ltd
Current assignee: Wuxi Kaili Valve Industry Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-30
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a ball valve that leakproofness is good, include: the valve body comprises a channel which is arranged in a penetrating way along a first direction, and a valve chamber is arranged in the middle of the channel; the valve shaft is rotatably arranged on the valve body along a second direction perpendicular to the first direction, and one end of the valve shaft penetrates through the valve chamber; the ball body is connected with one end of the valve shaft and is positioned in the valve chamber, and a flow guide port is arranged in the ball body in a penetrating way along a first direction; the sealing assembly comprises two first sealing rings and two second sealing rings, the two first sealing rings are longitudinally sleeved on the left side and the right side of the sphere, the two second sealing rings are transversely sleeved on the upper side and the lower side of the sphere, and the two first sealing rings and the two second sealing rings are used for sealing a gap between the sphere and the valve body. The utility model discloses a clearance between two first sealing washer and two second sealing washer sealing ball body and the valve body, and because all sealed with the valve body about spheroidal, can improve the sealing performance of ball valve.

Description

Ball valve with good sealing performance

Technical Field

The utility model relates to the technical field of valves, especially, relate to a ball valve that leakproofness is good.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve shaft and rotates around the axis of the ball valve. Among the prior art, the inside seal structure of ball valve is single, owing to need rotate between valve body and the spheroid, so can leave the gap, and current ball valve is sealed all to adopt a sealing ring in rotation handle department, often can be because the leakproofness leads to water not enough when passing through, and water can spill over from rotating handle department to the influence is used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve that leakproofness is good to solve above-mentioned technical problem.

In order to solve the technical problem, the utility model discloses a technical scheme be the ball valve that provides a leakproofness is good, include:

the valve body comprises a channel which is arranged in a penetrating way along a first direction, and a valve chamber is arranged in the middle of the channel;

a valve shaft rotatably provided on the valve body in a second direction perpendicular to the first direction, and having one end penetrating to the valve chamber;

the ball body is connected with one end of the valve shaft and is positioned in the valve chamber, and a flow guide port is arranged in the ball body in a penetrating manner along the first direction;

the spherical valve is characterized in that a sealing assembly is arranged on the outer surface of the sphere and comprises two first sealing rings and two second sealing rings, the first sealing rings are longitudinally sleeved on the left side and the right side of the sphere, the second sealing rings are transversely sleeved on the upper side and the lower side of the sphere, and the first sealing rings and the second sealing rings are used for sealing the gap between the sphere and the valve body.

In an embodiment of the present invention, the sealing assembly further includes a third sealing ring and a fourth sealing ring, the third sealing ring and the fourth sealing ring are all obliquely sleeved on the ball body, and the third sealing ring and the fourth sealing ring are alternately disposed on the ball body.

In an embodiment of the present invention, the third sealing ring is obliquely installed on the upper left side and the lower right side of the sphere, the fourth sealing ring is obliquely installed on the lower left side and the upper right side of the sphere, the third sealing ring and the intersection line of the fourth sealing ring pass through the center of the sphere.

In an embodiment of the present invention, there is a plurality of the third sealing rings, and the plurality of the third sealing rings are arranged in parallel side by side; the quantity of fourth sealing washer has a plurality ofly, and is a plurality of fourth sealing washer is parallel arrangement side by side.

In an embodiment of the present invention, a plurality of sealing pads are disposed in the valve chamber, and the plurality of sealing pads are respectively in contact with the ball body for sealing the gap between the valve body and the ball body.

The utility model discloses an in one embodiment, be provided with filtering component in the water conservancy diversion mouth, filtering component includes the filter core, the filter core is used for purifying the water of flowing through the ball valve.

In an embodiment of the present invention, the number of the filter elements is plural, and the filter elements are arranged in parallel at intervals along the first direction.

In an embodiment of the present invention, the valve further comprises a drainage assembly, the drainage assembly comprises a sealing plate, and the sealing plate is movably disposed in the channel of the valve body along the second direction; the sealing plate comprises a sewage discharge position and a sealing position in the moving process, and when the sealing plate is positioned at the sewage discharge position, the sealing plate opens a sewage discharge port on the valve body; when the valve body is located at the sealing position, the sealing plate seals the sewage draining outlet on the valve body.

In an embodiment of the present invention, the dirt discharging assembly further includes a button, a guide rod and an elastic member, the guide rod penetrates through the valve body along the second direction, one end of the guide rod is provided with the sealing plate, and the other end of the guide rod is provided with the button; the elastic piece is sleeved on the guide rod, one end of the elastic piece is abutted to the valve body, and the other end of the elastic piece is abutted to the button.

The utility model discloses an embodiment, the outside of drain is provided with the end cap, the end cap is used for plugging up the drain.

The utility model discloses an useful part lies in:

be different from prior art, use the technical scheme of the utility model, vertically overlap respectively through the both sides at spheroidal left and right sides and be equipped with first sealing washer, transversely overlap respectively in spheroidal upper and lower both sides and be equipped with the second sealing washer, and clearance between spheroid and the valve body can be sealed to two first sealing washers and two second sealing washers, and because all sealed with the valve body about spheroidal, can improve the sealing performance of ball valve.

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

Fig. 1 is a schematic cross-sectional view of a ball valve with good sealing performance along one direction according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a ball valve with good sealing performance according to an embodiment of the present invention (some elements are omitted);

fig. 3 is a diagram illustrating a positional relationship between a ball body and a sealing member of a ball valve according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure within the circle in fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1-4, an embodiment of the present invention provides a ball valve with good sealing performance, including: a valve body 1, a valve shaft 3 and a sphere 5. The valve body 1 includes a passage 11 provided therethrough in a first direction (left-right direction shown in fig. 1), and a valve chamber 12 is provided in an intermediate position of the passage 11. The valve shaft 3 is rotatably provided on the valve body 1 in a second direction (the up-down direction shown in fig. 1) perpendicular to the first direction, and one end of the valve shaft 3 penetrates to the valve chamber 12. The ball 5 is connected to one end of the valve shaft 3, the ball 5 is located in the valve chamber 12, and the ball 5 has a diversion port 53 formed therethrough in the first direction.

Wherein, the outer surface of spheroid 5 is provided with seal assembly 55, and seal assembly 55 includes two first sealing washer 551 and two second sealing washer 552, and two first sealing washers 551 vertically overlap the left and right sides at spheroid 5, and two second sealing washers 552 transversely overlap the upper and lower both sides at spheroid 5. The two first seal rings 551 and the two second seal rings 552 are used to seal the gap between the ball 5 and the valve body 1.

Above-mentioned ball valve that leakproofness is good through vertically overlapping first sealing washer 551 in the left and right sides of spheroid 5 respectively, transversely overlaps respectively in the upper and lower both sides of spheroid 5 to be equipped with second sealing washer 552, and two first sealing washers 551 and two second sealing washers 552 can seal the clearance between spheroid 5 and the valve body 1, and because all sealed with valve body 1 about spheroid 5 about, can improve the sealing performance of ball valve.

In an embodiment of the present invention, the sealing assembly 55 further includes a third sealing ring 553 and a fourth sealing ring 554, the third sealing ring 553 and the fourth sealing ring 554 are both obliquely sleeved on the ball body 5, and the third sealing ring 553 and the fourth sealing ring 554 are alternately arranged on the ball body 5. In this way, the sealing property between the ball 5 and the valve body 1 can be improved.

In the embodiment, the third sealing ring 553 is obliquely arranged on the left upper side and the right lower side of the ball body 5, and the fourth sealing ring 554 is obliquely arranged on the left lower side and the right upper side of the ball body 5. The intersection of the third seal 553 and the fourth seal 554 connects through the center of the sphere 5.

Further, there may be a plurality of the third sealing rings 553, and the plurality of the third sealing rings 553 are arranged in parallel side by side. There may be a plurality of fourth seal rings 554, and a plurality of fourth seal rings 554 are arranged side by side in parallel. In this way, the sealing performance between the ball 5 and the valve body 1 can be further improved.

In an embodiment of the present invention, a plurality of gaskets 6 are disposed in the valve chamber 12, and the plurality of gaskets 6 are respectively in contact with the ball 5 for sealing a gap between the valve body 1 and the ball 5. By providing the gasket 6 in this manner, the sealing performance between the ball 5 and the valve body 1 can be further improved. It should be noted that the sealing assembly 55 is now used to seal the gap between the seal 6 and the ball 5.

In an embodiment of the present invention, a filtering assembly is disposed in the diversion opening 53, the filtering assembly includes a filter element 54, and the filter element 54 is used for purifying water flowing through the ball valve. Thus, when the ball valve is opened, the flow guide port 53 of the ball body 5 enables the passage 11 of the valve body 1 to be communicated, and water can be purified by the filter element 54 when passing through the flow guide port 53.

Further, there may be a plurality of filter cartridges 54, and a plurality of filter cartridges 54 are arranged in parallel at intervals in the first direction. Therefore, the purification effect can be improved, and the quality of water is ensured.

Specifically, in the embodiment, the number of the filter elements 54 is three, and the three filter elements 54 are a polymer membrane, an activated carbon filter layer and a KDF in sequence from left to right. After being purified by the three filter elements 54, the water purifier can effectively remove macroscopic impurities such as silt, rust, macromolecular impurities, suspended matters and the like in water, and can also adsorb harmful substances such as heterochromatic peculiar smell, redundant chlorine, bacteria, heavy metals and the like in water.

The utility model discloses an embodiment, the ball valve that the leakproofness is good still includes blowdown subassembly 7, and blowdown subassembly 7 is used for discharging the interior pollutant that produces through filtering of valve body 1, prevents that passageway 11 in the valve body 1 from being blockked up by the pollutant. The sewage discharging assembly 7 comprises a sealing plate 71, the sealing plate 71 is movably arranged in the channel 11 of the valve body 1 along the second direction, the sealing plate 71 comprises a sewage discharging position and a sealing position in the moving process, when the sealing plate 71 is positioned at the sewage discharging position, the sealing plate 71 can open the sewage discharging port 14 on the valve body 1, and when the sealing plate 71 is positioned at the sealing position, the sealing plate 71 can seal the sewage discharging port 14 on the valve body 1.

In the embodiment, a sewage draining exit 14 is arranged on the valve body 1 along the second direction in a penetrating manner, one end of the sewage draining exit 14 penetrates through the channel 11, and the other end of the sewage draining exit 14 penetrates through the external environment. A closing plate 71 is positioned in the passage 11 and can open the sewage discharge outlet 14 to rapidly discharge the pollutants in the valve body 1 or close the sewage discharge outlet 14 to open the ball valve for operation.

In one embodiment of the present invention, the soil exhaust assembly 7 further includes a button 72, a guide rod 73, and an elastic member 74. The guide rod 73 is disposed to penetrate the valve body 1 in the second direction, a sealing plate 71 is disposed at one end of the guide rod 73, and a button 72 is disposed at the other end of the guide rod 73. The elastic member 74 is sleeved on the guide rod 73, one end of the elastic member 74 abuts against the valve body 1, and the other end of the elastic member 74 abuts against the button 72. Thus, when the button 72 is pressed to move the button 72 upward, the elastic member 74 is compressed, and the sealing plate 71 is moved upward to a sewage discharge position to be separated from the sewage discharge outlet 14, so that the sewage discharge outlet 14 can be opened to discharge pollutants rapidly. When the button 72 is released, the elastic member 74 stretches to drive the button 72 to move downwards, so as to drive the guide rod 73 and the sealing plate 71 to move downwards to the sealing position to seal the sewage draining exit 14, so that the sewage draining exit 14 can be closed, and the ball valve can be opened to circulate water. Optionally, the resilient member 74 is a spring.

Further, the lower surface of the valve body 1 is provided with a button groove 13, and the button 72 is accommodated in the button groove 13. In this way, the button 72 can be prevented from being touched by mistake.

Further, a fifth sealing ring 75 is provided on a side of the sealing plate 71 facing the drain outlet 14, and the fifth sealing ring 75 is used for sealing a gap between the sealing plate 71 and the drain outlet 14.

Further, a plug 76 is arranged on the outer side of the sewage draining outlet 14, and the plug 76 is used for plugging the sewage draining outlet 14 to prevent water from flowing out of the sewage draining outlet 14 when the sealing between the sealing plate 71 and the sewage draining outlet 14 is failed. It should be noted that plug 76 can be unscrewed when it is desired to drain.

Further, a drain outlet 14 is provided at a side of the button slot 13 adjacent to the ball 5.

Further, there are two sewage assemblies 7, and the two sewage assemblies 7 are respectively positioned at two sides of the valve chamber 12.

The utility model discloses an embodiment, the ball valve that the leakproofness is good still includes drive assembly 4, and drive assembly 4 is used for opening and close of drive ball valve. The drive assembly 4 includes a cylinder 41, a first gear 45 and a second gear 46. A second gear 46 is arranged at the end of the valve shaft 3 remote from the ball 5. The first gear 45 is rotatably provided on the valve body 1 about its axis, and the first gear 45 and the second gear 46 are engaged. The cylinder 41 includes a fixed end and a telescopic end that is telescopic relative to the fixed end, the fixed end is hinged to the valve body 1, and the telescopic end is eccentrically hinged to the first gear 45. In this way, the expansion and contraction of the cylinder 41 can drive the first gear 45 to rotate around its axis, and further drive the second gear 46, the valve shaft 3 and the ball 5 to rotate, so that the ball 5 can open or close the channel 11 inside the valve body 1.

In the embodiment, the fixed end of the air cylinder 41 is rotatably arranged on the first hinge shaft 42, the first hinge shaft 42 is connected with the valve body 1, the driving end of the air cylinder 41 is rotatably arranged on the second hinge shaft 43, and the second hinge shaft 43 is eccentrically connected with the first gear 45. The first gear 45 is rotatably provided around a rotation shaft 44, and the rotation shaft 44 is connected to the valve body 1. The second gear 46 is provided at the upper end of the valve shaft 3, and the second gear 46 is engaged with the first gear 45.

Further, the driving assembly 4 further includes a damping assembly for limiting a rotation angle range of the first gear 45. The buffer assembly comprises a buffer seat 47 and a buffer piece 48, wherein the buffer seat 47 is connected with the valve body 1, and the buffer piece 48 is arranged on the buffer seat 47.

The utility model discloses an embodiment, the ball valve that the leakproofness is good still includes lid 2, and lid 2 sets up in the upper end of valve body 1, and valve body 1 detachably connects. Thus, the ball valve can be conveniently disassembled and cleaned.

Specifically, in the embodiment, the upper end of the valve body 1 is provided with a slot, the lower end of the cover body 2 is inserted into the slot, and the screw 21 penetrates through the valve body 1 and the cover body 1 to be in threaded connection, so that the cover body 2 and the valve body 1 can be fixedly connected. The upper end of the valve shaft 3 is disposed through the cover 2, and the drive unit 4 is disposed on the cover 2.

In an embodiment of the present invention, in order to facilitate the detachment of the valve shaft 3 and the ball 5, the upper end of the ball 5 is provided with the docking shaft 52, the docking shaft 52 is disposed along the second direction, and the center line of the docking shaft 52 passes through the center of the ball 5. The top of butt joint axle 52 is provided with draw-in groove 521, and the lower extreme of valve shaft 3 is provided with arch 32, and this arch 32 can with draw-in groove 521 joint, at this moment, can drive when valve shaft 3 rotates and dock axle 52 and rotate together. It should be noted that the docking shaft 52 may be connected to the ball 5 by a screw connection. The outer side wall of the protrusion 32 is irregular, so that the protrusion 32 cannot rotate relative to the slot 521, and the slot 521 can be driven to rotate together.

In an embodiment of the present invention, a supporting shaft 51 is disposed on the inner bottom wall of the valve chamber 12, the supporting shaft 51 is disposed along the second direction, and the center line of the supporting shaft 51 passes through the center of the sphere 5, and the sphere 5 is rotatably disposed on the supporting shaft 51 around its axis. In this way, the rotation of the ball 5 can be made more smooth.

Further, the supporting shaft 51 is sleeved with a bushing 511, and the bushing 511 is connected with the ball 5. In this way, the rotation of the ball 5 can be made more smooth.

In an embodiment of the present invention, the cover 1 is provided with a through hole vertically penetrating therethrough, the bearing 22 is provided in the through hole, and the valve shaft 3 is provided in the bearing 22. Thus, by providing the bearing 22, the rotation of the valve shaft 3 is made smoother.

Further, an annular boss 31 is provided on an outer side wall of the valve shaft 3, the annular boss 31 is located inside the cover body 2, and the annular boss 31 is used for limiting the position of the bearing 22 in the axial direction.

Further, a bearing stopper 23 is provided on the outer side of the lid body 2, and the bearing stopper 23 is used to restrict the position of the bearing 22 in the axial direction.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a ball valve that leakproofness is good which comprises:

2. The ball valve with good sealing performance according to claim 1, wherein the sealing assembly further comprises a third sealing ring and a fourth sealing ring, the third sealing ring and the fourth sealing ring are obliquely sleeved on the ball body, and the third sealing ring and the fourth sealing ring are arranged on the ball body in a crossed manner.

3. The ball valve with good sealing performance according to claim 2, wherein the third sealing ring is obliquely sleeved on the left upper side and the right lower side of the ball body, the fourth sealing ring is obliquely sleeved on the left lower side and the right upper side of the ball body, and a connecting line of an intersection point of the third sealing ring and the fourth sealing ring passes through the center of the ball body.

4. The ball valve with good sealing performance as claimed in claim 3, wherein the number of the third sealing rings is multiple, and the third sealing rings are arranged side by side in parallel; the quantity of fourth sealing washer has a plurality ofly, and is a plurality of fourth sealing washer is parallel arrangement side by side.

5. The ball valve according to claim 1, wherein a plurality of packing is provided in the valve chamber, and the packing is in contact with the ball body to seal a gap between the valve body and the ball body.

6. The ball valve of claim 1, wherein a filter assembly is disposed in the diversion opening, the filter assembly including a filter element for purifying water flowing through the ball valve.

7. The ball valve according to claim 6, wherein a plurality of said filter elements are provided, and a plurality of said filter elements are arranged in parallel at intervals in said first direction.

8. The ball valve of claim 6, further comprising a waste assembly, the waste assembly including a sealing plate movably disposed in the second direction within the passage of the valve body; the sealing plate comprises a sewage discharge position and a sealing position in the moving process, and when the sealing plate is positioned at the sewage discharge position, the sealing plate opens a sewage discharge port on the valve body; when the valve body is located at the sealing position, the sealing plate seals the sewage draining outlet on the valve body.

9. The ball valve with good sealing performance according to claim 8, wherein the blowdown assembly further comprises a button, a guide rod and an elastic piece, the guide rod is arranged to penetrate through the valve body along the second direction, the sealing plate is arranged at one end of the guide rod, and the button is arranged at the other end of the guide rod; the elastic piece is sleeved on the guide rod, one end of the elastic piece is abutted to the valve body, and the other end of the elastic piece is abutted to the button.

10. The ball valve with good sealing performance as claimed in claim 9, wherein a plug is arranged outside the sewage draining outlet and used for plugging the sewage draining outlet.