Ball valve body casting

Abstract

The utility model discloses a ball valve body casting, and relates to the field of valves. The ball valve body casting comprises a casting shell part and a casting shell cover installed on one side of the casting shell part, a casting valve rod cover is arranged at the top of the casting shell part, one side of the casting shell cover is movably embedded in the side wall of the casting shell part, and two sets of fixing arms extending outwards are integrally formed on the outer wall of the casting valve rod cover. The casting shell piece, the casting shell cover and the fixing arm are each provided with a vertically-downward fixing hole, and the casting shell piece, the casting shell cover and the fixing arm are fixed by installing bolts in the fixing holes. According to the ball valve body casting, rapid assembly is achieved, the fixing arm and the casting shell cover share two sets of bolts for assembly, and meanwhile the assembly direction of the bolts is perpendicular to the installation direction of the casting shell cover, so that the anti-loosening effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a ball valve valve body casting. BACKGROUND

[0002] Ball valve is a valve core for ball valve body, and the through hole is arranged on the spherical valve core, when the through hole is opposite to both sides of the pipeline, the valve body is opened, when the through hole is misaligned with both sides of the pipeline, the valve body is closed.

[0003] The mainstream ball valve on the market at present includes side-mounted type and top-mounted type, and the main difference lies in the installation direction of the valve cover, and for the valve cover of the side-mounted type, the tension bolt is installed with the valve body, the stress direction of the bolt is same with the installation direction of the valve cover, which makes that when the pipeline is under long-term high pressure, the valve cover is easily pushed to one side by pressure, thereby affecting the sealing performance, and therefore the ball valve valve body casting is provided to solve the above problems. SUMMARY

[0004] In view of the defects of the prior art, the ball valve valve body casting is provided, which solves the problem that for the valve cover of the side-mounted type, the tension bolt is installed with the valve body, the stress direction of the bolt is same with the installation direction of the valve cover, which makes that when the pipeline is under long-term high pressure, the valve cover is easily pushed to one side by pressure, thereby affecting the sealing performance.

[0005] To achieve the above object, the utility model discloses a ball valve valve body casting through the following technical scheme: a ball valve valve body casting, including casting shell and the casting shell cover of installing in the casting shell one side, the top of casting shell is provided with casting valve stem cover, the side wall of casting shell cover one side is movably embedded in casting shell, the outer wall of casting valve stem cover is integrally formed with two groups and extends to the fixed arm, the casting shell, casting shell cover and fixed arm all are equipped with the fixed hole that goes down vertically, the casting shell, casting shell cover and fixed arm are fixed through installing bolt in fixed hole.

[0006] Preferably, the casting shell includes a spherical cavity shell and a first connecting flange integrally formed at one end of the spherical cavity shell, and the casting shell cover is installed at the other end of the spherical cavity shell.

[0007] Preferably, the top of the spherical cavity shell is integrally formed with a valve rod assembly station, the casting valve stem cover includes a cover cap, the cover cap is installed on the outer surface of the valve rod assembly station, and the fixed arm is integrally formed on the side surface of the cover cap.

[0008] Preferably, the end of the spherical cavity shell away from the first connecting flange is integrally formed with an assembly seat, the interior of the assembly seat is provided with an assembly groove, and the casting shell cover includes a cover plate and a second connecting flange integrally formed on the outer wall of the cover plate.

[0009] Preferably, the cover plate is movably inserted into the assembly groove, and a reinforcing rib is arranged between the cover plate and the second connecting flange.

[0010] Preferably, a screw rod seat is integrally formed at the top of the assembly seat, and the fixing hole penetrates through the screw rod seat.

[0011] Preferably, a fixing portion is integrally formed at the top of the spherical cavity shell, an outer wall of the cover is integrally formed with a connecting portion, and the connecting portion is mounted with the fixing portion through bolts.

[0012] Preferably, the connecting portion is circumferentially arranged with two groups of fixing arms.

[0013] The utility model discloses a ball valve body casting, which has the following beneficial effects: a assembly seat is integrally formed at one end of the spherical cavity shell away from the connecting flange, an assembly groove is formed in the interior of the assembly seat, the casting cover includes a cover plate and a second connecting flange integrally formed on the outer wall of the cover plate, the cover plate is movably inserted into the assembly groove, two groups of fixing arms extending outward are integrally formed on the outer wall of the casting valve rod cover, fixing holes are formed vertically downward on the casting shell, the casting cover and the fixing arms, the casting shell, the casting cover and the fixing arms are fixed through bolts installed in the fixing holes, so that rapid assembly is realized, and the assembly direction of the bolts is perpendicular to the mounting direction of the casting cover, so that the loosening effect is achieved. ACCOUT OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0015] Fig. 1 It is the overall top structure schematic view of the utility model;

[0016] Fig. 2 It is the overall top structure schematic view of the utility model;

[0017] Fig. 3 It is the overall internal structure explosion drawing of the utility model.

[0018] In the drawing: 1, casting shell; 11, spherical cavity shell; 12, first connecting flange; 13, valve rod assembly station; 14, assembly seat; 15, screw rod seat; 16, fixing portion; 17, assembly groove; 2, casting cover; 21, cover plate; 22, reinforcing rib; 23, second connecting flange; 24, fixing hole; 3, casting valve rod cover; 31, cover; 32, connecting portion; 33, fixing arm. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model embodiments more clear, the technical scheme in the utility model embodiments is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] The utility model discloses a ball valve body casting, solve for the side -mounted type valve cover, through to the tension bolt and the valve body are installed, the stress direction of bolt is same with the installation direction of valve cover, this makes when the pipeline is in long -term high pressure situation in actual use, easily because of pressure pushes the valve cover to one side to, thereby influences the problem of leakproofness.

[0021] In order to better understand the above technical scheme, the above technical scheme will be described in detail below in conjunction with the drawings of the specification and specific embodiments.

[0022] The utility model discloses a ball valve body casting.

[0023] According to the Figs. 1-3 As shown, including casting shell spare 1 and install in casting shell spare 1 one side's casting shell cover 2, the top of casting shell spare 1 is provided with casting valve stem cover 3, one side of casting shell cover 2 is movably embedded in the side wall of casting shell spare 1, the outer wall of casting valve stem cover 3 is integrally formed with two groups of fixed arms 33 extending to the outside, the fixed hole 24 that vertically downwards is all set up in casting shell spare 1, casting shell cover 2 and fixed arm 33, casting shell spare 1, casting shell cover 2 and fixed arm 33 are fixed through installing bolt in fixed hole 24.

[0024] Realize casting shell cover 2 and casting valve stem cover 3 quick assembly to casting shell spare 1 with bolt assembly direction and the installation direction of casting shell cover 2 perpendicular, to this play the effect of anti-loosening.

[0025] Casting shell spare 1 includes spherical cavity shell 11 and the first connecting flange 12 integrally formed in one end of spherical cavity shell 11, casting shell cover 2 is installed in the other end of spherical cavity shell 11, the top of spherical cavity shell 11 is integrally formed with valve stem assembly station 13, casting valve stem cover 3 includes buckle cover 31, buckle cover 31 is installed on the outer surface of valve stem assembly station 13, fixed arm 33 is integrally formed in the side of buckle cover 31, for sealing installation of buckle cover 31.

[0026] The assembling seat 14 is integrally formed with the spherical cavity shell 11 away from the first connecting flange 12, and an assembling groove 17 is formed in the interior of the assembling seat 14; the casting shell cover 2 comprises a cover plate 21 and a second connecting flange 23 integrally formed on the outer wall of the cover plate 21, and the first connecting flange 12 and the second connecting flange 23 are assembled with external pipelines.

[0027] The cover plate 21 is movably inserted into the assembling groove 17, and a reinforcing rib 22 is arranged between the cover plate 21 and the second connecting flange 23 to strengthen the connection.

[0028] A screw rod seat 15 is integrally formed on the top of the assembling seat 14, a fixing hole 24 penetrates through the screw rod seat 15, a fixing portion 16 is integrally formed on the top of the spherical cavity shell 11, a connecting portion 32 is integrally formed on the outer wall of the buckle cover 31, the connecting portion 32 is installed with the fixing portion 16 through bolts, the connecting portion 32 is circumferentially arranged with two groups of fixing arms 33, the buckle cover 31 is anchored with the two groups of fixing arms 33 through the connecting portion 32, and the fixing arms 33 are shared with the casting shell cover 2 to assemble bolts, so that the effect of convenient disassembly is achieved.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A ball valve body casting, comprising a casting shell piece (1) and a casting shell cover (2) installed on one side of the casting shell piece (1), a top of the casting shell piece (1) is provided with a casting valve stem cover (3), characterized in that, The side of the casting shell cover (2) is movably embedded in the side wall of the casting shell part (1), the outer wall of the casting valve rod cover (3) is integrally formed with two groups of fixed arms (33) extending outward, the casting shell part (1), the casting shell cover (2) and the fixed arms (33) are all provided with vertical downward fixing holes (24), and the casting shell part (1), the casting shell cover (2) and the fixed arms (33) are fixed by installing bolts in the fixing holes (24).

2. A ball valve body casting according to claim 1, wherein: The casting shell part (1) comprises a spherical cavity shell (11) and a first connecting flange (12) integrally formed at one end of the spherical cavity shell (11), and the casting shell cover (2) is installed at the other end of the spherical cavity shell (11).

3. A ball valve body casting according to claim 2, wherein: The top of the spherical cavity shell (11) is integrally formed with a valve rod assembly station (13), the casting valve rod cover (3) comprises a buckle cover (31), the buckle cover (31) is installed on the outer surface of the valve rod assembly station (13), and the fixed arms (33) are integrally formed on the side surface of the buckle cover (31).

4. A ball valve body casting according to claim 2, wherein: The end of the spherical cavity shell (11) away from the connecting flange (12) is integrally formed with an assembly seat (14), the inside of the assembly seat (14) is provided with an assembly groove (17), and the casting shell cover (2) comprises a cover plate (21) and a second connecting flange (23) integrally formed on the outer wall of the cover plate (21).

5. A ball valve body casting according to claim 4, wherein: The cover plate (21) is movably inserted into the assembly groove (17), and a reinforcing rib (22) is arranged between the cover plate (21) and the second connecting flange (23).

6. A ball valve body casting according to claim 4, wherein: The top of the assembly seat (14) is integrally formed with a screw rod seat (15), and the fixing hole (24) penetrates through the screw rod seat (15).

7. A ball valve body casting according to claim 3, wherein: The top of the spherical cavity shell (11) is integrally formed with a fixed part (16), the outer wall of the buckle cover (31) is integrally formed with a connecting part (32), and the connecting part (32) and the fixed part (16) are installed by bolts.

8. A ball valve body casting according to claim 7, wherein: The connecting part (32) and the two groups of fixed arms (33) are distributed in a circumferential array.

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