Valve ball

Abstract

According to the technical scheme, the valve ball is characterized in that the valve ball comprises a ball body and a connecting base, through holes allowing fluid media to penetrate through are formed in the middle of the ball body and the middle of the connecting base, a mounting end face is arranged on the water inlet side of the ball body, and a plurality of sets of limiting holes are formed in the mounting end face in the circumferential direction of the mounting end face at equal intervals; a plurality of groups of notches are formed in the first end of the connecting seat and are arranged at equal intervals in the circumferential direction of the connecting seat; the second end of the connecting base is provided with a connecting end face, multiple sets of connecting holes are formed in the connecting end face in a penetrating mode, the connecting holes correspond to the limiting holes, the ball body is of a combined structure, machining and production are convenient, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of spheres, more specifically, it relates to a kind of valve sphere. BACKGROUND

[0002] Ball valve is the sphere by valve stem drive, and rotates around the axis of ball valve movement valve, while also can be used for fluid regulation and control, also can be used for fluid regulation and control, widely used in petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmaceutical, water conservancy, electric power, municipal, steel industry.

[0003] Valve sphere is the main component in ball valve. The quality of sphere directly affects the quality of valve.

[0004] In order to improve the flow, the existing one kind of ball valve such as publication number CN205715769U, in order to reach maximum flow will be designed in the sphere of the spherical surface aperture, when valve opens, water flow can pass through opening and aperture to reach maximum flow output.

[0005] The existing implementation is directly processed on the sphere, since the sphere is relatively large and heavy, it is inconvenient to carry, so that the processing mode is very cumbersome and difficult, resulting in high cost of this kind of sphere. UTILITY MODEL CONTENT

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a kind of valve sphere, the sphere adopts combined structure, it is convenient to process production, reduce production cost.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of valve sphere, including sphere body and connecting seat, the middle part of sphere body and connecting seat is provided with the through hole for fluid medium to pass, the water inlet side of sphere body is provided with installation end face, the installation end face is equidistantly arranged with multiple sets of limit holes along its circumferential direction;

[0008] The first end of connecting seat is provided with multiple sets of aperture, and the aperture is equidistantly arranged along the circumferential direction of connecting seat.

[0009] The second end of connecting seat is provided with connecting end face, multiple sets of connecting holes are provided on the connecting end face, and the connecting holes are correspondingly arranged with limit holes.

[0010] The utility model is further provided: the installation end face is provided with limit block, and the second end of connecting seat is provided with limit slot.

[0011] The utility model is further provided: the aperture is provided in U-shaped structure, and the caliber of aperture is gradually enlarged structure.

[0012] The utility model further sets up: first guide surface is provided in the connecting seat, the inclination of first guide surface changes from small to big from the first end to the second end of connecting seat.

[0013] The utility model further sets up: second guide surface is provided in the ball body, the inclination of second guide surface changes from small to big from the water inlet side to the water outlet side of ball body.

[0014] The utility model further sets up: third guide surface is provided in the connecting seat, the inclination of third guide surface changes from small to big from the first end to the second end of connecting seat;

[0015] Fourth guide surface is provided in the ball body, and the inclination of fourth guide surface changes from small to big from the water inlet side to the water outlet side of ball body;

[0016] And the adjacent end of first guide surface and second guide surface is flatly arranged.

[0017] The utility model further sets up: first sealing groove is provided on the connecting end face, second sealing groove is provided on the mounting end face, and sealing ring is provided in first sealing groove and / or second sealing groove.

[0018] Summarized above, the utility model has following beneficial effect: the design of this structure can process ball body and connecting seat respectively, reduces the volume of single workpiece when processing, and reduces processing difficulty.

[0019] After finishing processing, the connecting end face of connecting seat is aligned with the mounting end face of ball body, makes connecting hole and limit hole one-to-one alignment, and then is fixed through bolt.

[0020] Satisfy the design of the gap, the circulation of fluid medium is convenient, and the processing difficulty can be reduced. ACCURACY OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic view of valve ball;

[0022] Figure 2 It is the three-dimensional structure schematic view of connecting seat;

[0023] Figure 3 It is the three-dimensional structure schematic view of ball body;

[0024] Figure 4 It is the sectional view of first embodiment of guide surface;

[0025] Figure 5 It is the sectional view of second embodiment of guide surface;

[0026] Figure 6 It is the sectional view of third embodiment of guide surface.

[0027] Fig. 1, ball body; 11, through hole; 12, mounting end face; 13, limiting hole; 14, limiting block; 15, second sealing groove; 2, connecting seat; 21, notch; 22, connecting end face; 23, connecting hole; 24, limiting groove; 25, first sealing groove; 3, first guide surface; 4, second guide surface; 5, third guide surface; 6, fourth guide surface. DETAILED DESCRIPTION

[0028] The utility model is further explained in detail below in combination with the drawings and embodiments. Same parts are denoted by same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part.

[0029] Referring to Figures 1 to 6 To achieve the above object, the utility model provides the following technical scheme: a valve ball, comprising a ball body 1 and a connecting seat 2, the middle part of the ball body 1 and the connecting seat 2 is provided with a through hole 11 for fluid medium to pass through, the water inlet side of the ball body 1 is provided with a mounting end face 12, and the mounting end face 12 is provided with a plurality of limiting holes 13 arranged equidistantly along the circumference thereof;

[0030] The first end of the connecting seat 2 is provided with a plurality of notches 21 arranged equidistantly along the circumference of the connecting seat 2.

[0031] The second end of the connecting seat 2 is provided with a connecting end face 22, and a plurality of connecting holes 23 are provided through the connecting end face 22, and the connecting holes 23 are arranged correspondingly to the limiting holes 13.

[0032] The design of the structure can process the ball body 1 and the connecting seat 2 respectively, reduce the volume of a single workpiece during processing, and reduce the processing difficulty.

[0033] After processing is completed, the connecting end face 22 of the connecting seat 2 is aligned with the mounting end face 12 of the ball body 1, the connecting holes 23 are aligned one by one with the limiting holes 13, and then the connecting seat 2 is fixed by bolts.

[0034] The design of the notch 21 facilitates the circulation of fluid medium and reduces the processing difficulty.

[0035] The utility model is further provided with: the mounting end face 12 is provided with a limiting block 14, and the second end of the connecting seat 2 is provided with a limiting groove 24.

[0036] As Figure 2 And Figure 3As shown, through the design of the limiting block 14 and the limiting groove 24 , the connecting seat 2 can be initially limited, thereby facilitating the installation of the bolts and the alignment of the limiting hole 13 and the connecting hole 23 .

[0037] The notch 21 is arranged in a U-shaped structure, and the diameter of the notch 21 is a gradually enlarging structure.

[0038] The present invention is further configured as follows: a first guide surface 3 is provided in the connecting seat 2 , and the inclination of the first guide surface 3 increases from the first end to the second end of the connecting seat 2 .

[0039] like Figure 4 FIG. 1 shows a first embodiment of the guide surface, which can increase the flow rate of the fluid medium through the first guide surface 3 .

[0040] The present invention is further configured as follows: a second guide surface 4 is provided in the spherical body 1 , and the inclination of the second guide surface 4 increases from the water inlet side to the water outlet side of the spherical body 1 .

[0041] like Figure 5 As shown, it is a second embodiment of the guide surface. The length of the second guide surface 4 is greater than that of the first guide surface 3, which can greatly improve the flow rate of the fluid medium.

[0042] The utility model is further configured as follows: a third guide surface 5 is provided in the connecting seat 2, and the inclination of the third guide surface 5 increases from the first end to the second end of the connecting seat 2;

[0043] A fourth guide surface 6 is provided in the spherical body 1, and the inclination of the fourth guide surface 6 increases from the water inlet side to the water outlet side of the spherical body 1;

[0044] The adjacent ends of the first guide surface 3 and the second guide surface 4 are arranged to be flush.

[0045] like Figure 6 FIG. 1 shows a third embodiment of the guide surface, in which the guide surface is the longest and can further increase the flow rate of the fluid medium.

[0046] The present invention is further configured as follows: a first sealing groove 25 is provided on the connecting end surface 22 , a second sealing groove 15 is provided on the mounting end surface 12 , and a sealing ring is provided in the first sealing groove 25 and / or the second sealing groove 15 .

[0047] like Figure 2 and Figure 3 As shown, sealing grooves are provided on the connecting end surface 22 and the mounting end surface 12 , and a sealing ring is installed in each sealing groove to ensure the sealing of the connection.

[0048] The above are only preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical scheme falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and decorations without departing from the principles of the present application are also considered to be within the protection scope of the present application.

Claims

1. A valve ball, characterized by: The invention comprises a spherical body (1) and a connecting seat (2), wherein the middle of the spherical body (1) and the connecting seat (2) are provided with a through hole (11) for a fluid medium to pass through, the water inlet side of the spherical body (1) is provided with a mounting end surface (12), and the mounting end surface (12) is provided with a plurality of groups of limiting holes (13) arranged at equal intervals along its circumference; The first end of the connecting seat (2) is provided with a plurality of notches (21), and the notches (21) are arranged at equal intervals along the circumference of the connecting seat (2); The second end of the connecting seat (2) is provided with a connecting end surface (22), and a plurality of connecting holes (23) are provided through the connecting end surface (22), and the connecting holes (23) are provided correspondingly to the limiting holes (13).

2. A valve ball according to claim 1, characterized in that: A limiting block (14) is provided on the installation end surface (12), and a limiting groove (24) is provided on the second end of the connecting seat (2).

3. The valve ball according to claim 1, characterized in that: The notch (21) is arranged in a U-shaped structure, and the diameter of the notch (21) is a gradually enlarging structure.

4. The valve ball according to claim 1, characterized in that: A first guide surface (3) is provided in the connecting seat (2), and the inclination of the first guide surface (3) increases from a small value to a large value from the first end to the second end of the connecting seat (2).

5. A valve ball according to claim 4, characterized in that: A second guide surface (4) is provided in the spherical body (1), and the inclination of the second guide surface (4) increases from a small value to a large value from the water inlet side to the water outlet side of the spherical body (1).

6. A valve ball according to claim 5, characterized in that: A third guide surface (5) is provided in the connecting seat (2), and the inclination of the third guide surface (5) increases from a small value to a large value from the first end to the second end of the connecting seat (2); A fourth guide surface (6) is provided in the spherical body (1), and the inclination of the fourth guide surface (6) increases from a small angle toward a water outlet side of the spherical body (1); Furthermore, the adjacent ends of the first guide surface (3) and the second guide surface (4) are arranged to be flush with each other.

7. A valve ball according to any one of claims 1 to 6, characterized in that: A first sealing groove (25) is provided on the connecting end surface (22), a second sealing groove (15) is provided on the mounting end surface (12), and a sealing ring is provided in the first sealing groove (25) and / or the second sealing groove (15).

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