CN219317674U - Forged steel V-shaped adjusting ball valve - Google Patents

Abstract

The utility model discloses a forged steel V-shaped adjusting ball valve, which comprises a valve body, wherein a packing assembly is arranged in the valve body and used for reducing torque, the packing assembly comprises two groups of packing frames, lower packing is arranged in the packing frames, middle packing is arranged at the top of the lower packing, upper packing is arranged at the top of the middle packing, a supporting shaft is embedded in the bottom of the valve body, a bottom graphite gasket is arranged at the outer side of the supporting shaft, and the bottom graphite gasket is positioned in the valve body. According to the utility model, the packing assembly is arranged, so that the problems of insufficient tightness and larger opening torque of the conventional forged steel V-shaped adjusting ball valve in use are effectively solved by using the packing assembly.

Description

Forged steel V-shaped adjusting ball valve

Technical Field

The utility model relates to the technical field of adjusting ball valves, in particular to a forged steel V-shaped adjusting ball valve.

Background

The V-shaped ball valve adopts an integral valve body, so that the valve body is not influenced by pipeline or bolt pressure, leakage of the valve body can be avoided, and the pressure-resistant shell cannot be influenced by abrupt change of pressure because the valve body is free of any pipe joint, the valve core of the V-shaped ball valve is designed into a V-shaped notch with a special switch, the flow capacity is large, the pressure loss is small, the valve core has accurate shutoff characteristics and control functions, the flow characteristics are approximate equal percentages, and the control accuracy can be ensured in the whole range even under the condition of small flow or high-viscosity medium. The opening and closing part adopts a V-shaped sphere segment structure, and has wedge-shaped shearing effect with the valve seat, thereby not only having self-cleaning function, but also preventing the sphere core from being blocked, and being particularly suitable for the occasions of unclean fiber-containing media such as high viscosity, suspension, paper pulp and the like.

However, since the valve rod in the existing structure is assembled only by adopting the sealing gasket structure when rotating, the sealing has limitation, and the problem of larger opening torque can occur when the valve rod is practical.

Disclosure of Invention

The utility model aims to provide a forged steel V-shaped adjusting ball valve, which solves the technical problems of insufficient sealing performance and larger opening torque in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a forged steel V type ball valve, includes the valve body, the inside of valve body is provided with the packing subassembly, the packing subassembly is used for reducing the moment of torsion, the packing subassembly includes two sets of packing boxes, the inside of packing box is provided with down the filler, the top of filler is provided with well filler down, the top of well filler is provided with the filler, the bottom embedding of valve body is provided with the back shaft, the outside of back shaft is provided with the bottom graphite gasket, and the bottom graphite gasket is located the inside of valve body.

Preferably, the metal sealing ring is embedded and installed on the inner side of the valve body, the embedded bearing is embedded and installed on the inner side of the top of the metal sealing ring, the first O-shaped ring is embedded and installed on the inner side and the outer side of the metal sealing ring, the right-angle gasket is arranged on the top of the metal sealing ring, the four open rings are arranged on the outer side of the right-angle gasket, the support is arranged on the top of the valve body, and the valve cover is arranged on the left side of the valve body.

Preferably, the pin screw is installed to the bottom embedding of the inboard of support, and the double-screw bolt is installed at the top of pin screw, and the outside of double-screw bolt is provided with the clamp plate, and the bottom of clamp plate is provided with presses the cover, and the top of clamp plate is provided with a plurality of dish springs, and the top of dish spring is provided with the packing ring, and the top of packing ring is provided with the combination nut, and the inboard top of support is provided with a plurality of sets of fixation nut, presses the inboard embedding of cover to install the valve rod, and the top of support is provided with the cylinder.

Preferably, the top of valve rod is provided with the shaft coupling, and the bottom of valve rod is provided with V type ball valve, and the bottom of V type ball valve is provided with the spacing, and the spacing is located the top of back shaft.

Preferably, end covers are arranged on two sides of the air cylinder, fixing bolts are embedded and installed on the outer sides of the end covers, and connecting ports are installed on the front face of the air cylinder.

Preferably, four groups of combined screws are arranged on the left side of the back surface of the valve cover, an lateral graphite gasket is arranged on the back surface of the valve cover, and a second O-shaped ring is embedded in the outer side of the valve cover.

Preferably, four groups of mounting screws are arranged at the bottom of the supporting shaft, a top gasket is embedded and mounted at the top of the supporting shaft, a combined bearing is embedded and mounted at the outer side of the top of the supporting shaft, and a plurality of groups of third O-shaped rings are embedded and mounted at the outer side of the supporting shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the device is used, the valve body is the main body structure of the device, the mounting position can be provided for the internal structure, the mounting stability of the internal structure is improved, the metal sealing ring is arranged in the valve body, the sealing performance between the top structure and the valve body can be improved by using the first O-shaped ring arranged on the metal sealing ring, the mounting position can be provided for the top structure by using the right-angle gasket and the four-way ring, the structure is increased to be stable, the normal and stable mounting of the top packing assembly is ensured, the upper packing, the middle packing and the lower packing are respectively arranged in the packing frame, the smoothness degree in rotation can be effectively improved by using the three groups of graphite packing structures, the opening torque is reduced, the sealing performance can be greatly improved by using the graphite packing, and the problems that the sealing performance is insufficient and the opening torque is larger in the use of the conventional forged steel V-shaped regulating ball valve are effectively solved by using the packing assembly.

2. According to the utility model, the valve cover is arranged, the existing valve cover structure and the main body are in an integral state, so that dead angles are formed in the valve cover, the medium is accumulated, and the problem of blocking caused by fixed particles is solved, the valve cover structure which is embedded and arranged on the left side of the valve body of the main body can be used for fixing, the internal structure can be cleaned by disassembling the valve cover structure, the valve seat is designed on the valve cover, the parts are few, the structure is simple, no dead angle exists between the valve cover and the valve body, the medium is not easy to accumulate, the solid particle medium cannot generate blocking phenomenon, and the safety of the valve and a production pipeline is ensured, and the problem that the internal medium is accumulated and blocked easily when the existing forged steel V-shaped regulating ball valve is used is effectively solved by using the valve cover structure.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a packing box of the present utility model;

FIG. 3 is a schematic cross-sectional view of a valve stem of the present utility model;

FIG. 4 is a schematic cross-sectional view of a valve cover of the present utility model;

fig. 5 is a schematic cross-sectional view of a support shaft according to the present utility model.

In the figure: 1. a valve body; 101. a metal seal ring; 102. a chimeric bearing; 103. a fourth ring opening; 104. a first O-ring; 105. a right angle gasket; 106. a filler frame; 107. a lower filler; 108. a middle filler; 109. filling materials; 2. a bracket; 201. a pin screw; 202. pressing the sleeve; 203. a pressing plate; 204. a stud; 205. a disc spring; 206. a gasket; 207. a combination nut; 208. a fixing nut; 3. v-shaped ball valve; 301. a coupling; 302. a valve stem; 303. a limiting frame; 4. a cylinder; 401. an end cap; 402. a fixing bolt; 403. a connection port; 5. a valve cover; 501. an lateral graphite gasket; 502. a combination screw; 503. a second O-ring; 6. a support shaft; 601. installing a screw; 602. a combination bearing; 603. a top pad; 604. a bottom graphite gasket; 605. and a third O-ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, the present utility model provides an embodiment: forged steel V-shaped adjusting ball valve;

including valve body 1, metal seal 101 is installed to the inboard embedding at valve body 1, the inboard embedding at metal seal 101 top is provided with chimeric bearing 102, first O type circle 104 is installed to the inboard and outside embedding at metal seal 101, the top of metal seal 101 is provided with right angle gasket 105, the outside of right angle gasket 105 is provided with quarter circle 103, the inside of valve body 1 is provided with the packing assembly, the packing assembly is used for reducing the moment of torsion, the packing assembly includes two sets of packing frame 106, the inside of packing frame 106 is provided with down packing 107, the top of down packing 107 is provided with well packing 108, the top of well packing 108 is provided with packing 109, first valve body 1 is the major structure of device, can provide the mounted position for the structure of inside, increase the stability of the installation of inner structure, through being provided with metal seal 101 in inside, utilize the first O type circle 104 that sets up on the metal seal 101 can increase the leakproofness between top structure and the valve body 1, the top utilizes right angle gasket 105 and quarter circle 103 can provide mounted position for the structure at top, the top's packing assembly can normally be stably installed, the inside of packing assembly that guarantees the top is provided with down packing frame 106 respectively, down packing 107, the top is provided with down the packing 107 and can effectively open the moment of torsion by the packing is greatly reduced by the seal with the level of the seal of three-shaped packing, can be greatly opened with the degree of the seal when the degree of the graphite is greatly increased, and the problem is greatly opened is solved.

Referring to fig. 1, 2 and 3, a forged steel V-shaped adjusting ball valve;

comprises a valve body 1, a bracket 2 is arranged at the top of the valve body 1, a pin screw 201 is embedded and installed at the bottom of the inner side of the bracket 2, a stud 204 is installed at the top of the pin screw 201, a pressing plate 203 is arranged at the outer side of the stud 204, a pressing sleeve 202 is arranged at the bottom of the pressing plate 203, a plurality of groups of disc springs 205 are arranged at the top of the pressing plate 203, a gasket 206 is arranged at the top of the disc springs 205, a combined nut 207 is arranged at the top of the gasket 206, a plurality of groups of fixing nuts 208 are arranged at the top of the inner side of the bracket 2, the bracket 2 can provide an installation position for an inner side assembled structure, the pin screw 201 at the bottom can be fixed with the structure of the valve body 1, the disc springs 205 and the gasket 206 are extruded and fixed by rotating and adjusting the combined nuts 207 at the two tops, and the structure of the pressing plate 203 is controlled to descend during adjustment, the clamp plate 203 structure decline can provide extruded power for the pressure cover 202 structure of bottom, utilize pressure cover 202 then can increase the stability of middle part rotatory valve rod 302, the fixation nut 208 at top then is used for fixing with cylinder 4 structure, the inboard embedding of pressure cover 202 is installed valve rod 302, the top of valve rod 302 is provided with shaft coupling 301, the bottom of valve rod 302 is provided with V type ball valve 3, the bottom of V type ball valve 3 is provided with spacing 303, and spacing 303 is located the top of back shaft 6, valve rod 302 is connected fixedly through the cylinder 4 structure at shaft coupling 301 and top, guarantee the stability of structure, utilize the rotatory V type ball valve 3 of bottom rotatory can realize the effect of regulation simultaneously, the spacing 303 of bottom then carries out the combination installation with the combination back shaft 6 structure of bottom, guarantee the stability of structure.

Referring to fig. 1 and 2, a forged steel V-shaped adjusting ball valve;

including support 2, the top of support 2 is provided with cylinder 4, and the both sides of cylinder 4 are provided with end cover 401, and fixing bolt 402 is installed in the outside embedding of end cover 401, and connector 403 is installed in the front of cylinder 4, and cylinder 4 then provides the drive with whole ball valve that adjusts, guarantees that the ball valve can open the effect under the control of cylinder 4, and the end cover 401 of both sides can realize fixed effect through fixing bolt 402 structure, and positive connector 403 is used for being connected with external air pump structure, guarantees that the device can normally control and adjust.

Referring to fig. 2, 4 and 5, a forged steel V-shaped adjusting ball valve;

comprises a valve body 1, a valve cover 5 is arranged on the left side of the valve body 1, four groups of combined screws 502 are arranged on the left side of the back surface of the valve cover 5, an side graphite gasket 501 is arranged on the back surface of the valve cover 5, a second O-shaped ring 503 is embedded in the outer side of the valve cover 5, the valve cover 5 is arranged on the left side of the main body valve body 1 in a jogged mode, the combined screws 502 are used for fixing, the internal structure can be detached for cleaning, a valve seat is designed on the valve cover 5, parts are few, the structure is simple, dead angles are avoided between the valve cover 5 and the valve body 1, media are not easy to accumulate, the solid particle media cannot be blocked, so that the safety of the valve and a production pipeline is ensured, the problems that internal media are easy to accumulate and block up and blocked when the conventional forged steel V-shaped adjusting ball valve is used are effectively solved by using the valve cover 5 structure, the bottom embedding of valve body 1 is provided with back shaft 6, the outside of back shaft 6 is provided with the bottom graphite gasket 604, and bottom graphite gasket 604 is located the inside of valve body 1, the bottom of back shaft 6 is provided with four sets of mounting screw 601, top gasket 603 is installed in the top embedding of back shaft 6, combination bearing 602 is installed in the outside embedding of back shaft 6 top, a plurality of sets of third O type circle 605 are installed in the outside embedding of back shaft 6, the back shaft 6 of bottom can carry out the combination installation with main part valve body 1 through mounting screw 601, and the inside can provide rotatory regulation's ability for the spacing 303 in the outside through combination bearing 602, can increase the leakproofness of structure through being top gasket 603 and third O type circle 605, the sealed effect of installation can also be increased through utilizing bottom graphite gasket 604.

Working principle: when the device is used, the device is assembled and installed firstly, the rotating shaft structure of the output end can be controlled to rotate through the cylinder 4 at the top, and the transmission drives the valve rod 302 at the bottom to rotate by using the coupler 301, so that the V-shaped ball valve 3 structure at the bottom can be controlled to rotate along the outer side of the combined bearing 602.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (7)

1. The utility model provides a forged steel V type ball valve of adjusting, includes valve body (1), its characterized in that: the inside of valve body (1) is provided with the packing subassembly, the packing subassembly is used for reducing the moment of torsion, the packing subassembly includes two sets of packing boxes (106), the inside of packing boxes (106) is provided with down packing (107), the top of packing (107) is provided with well packing (108) down, the top of well packing (108) is provided with filler (109), the bottom embedding of valve body (1) is provided with back shaft (6), the outside of back shaft (6) is provided with bottom graphite gasket (604), and bottom graphite gasket (604) are located the inside of valve body (1).

2. The forged steel V-type adjusting ball valve according to claim 1, wherein: the novel valve is characterized in that a metal sealing ring (101) is embedded and installed on the inner side of the valve body (1), an embedded bearing (102) is embedded and installed on the inner side of the top of the metal sealing ring (101), a first O-shaped ring (104) is embedded and installed on the inner side and the outer side of the metal sealing ring (101), a right-angle gasket (105) is arranged on the top of the metal sealing ring (101), a four-ring opening (103) is arranged on the outer side of the right-angle gasket (105), a support (2) is arranged on the top of the valve body (1), and a valve cover (5) is arranged on the left side of the valve body (1).

3. A forged steel V-type ball valve according to claim 2, wherein: pin screw (201) are installed in the bottom embedding of the inboard of support (2), double-screw bolt (204) are installed at the top of pin screw (201), the outside of double-screw bolt (204) is provided with clamp plate (203), the bottom of clamp plate (203) is provided with presses cover (202), the top of clamp plate (203) is provided with a plurality of dish spring (205), the top of dish spring (205) is provided with packing ring (206), the top of packing ring (206) is provided with combination nut (207), the inboard top of support (2) is provided with a plurality of sets of fixation nut (208), valve rod (302) are installed in the inboard embedding of pressing cover (202), the top of support (2) is provided with cylinder (4).

4. A forged steel V-type ball valve according to claim 3, wherein: the top of valve rod (302) is provided with shaft coupling (301), and the bottom of valve rod (302) is provided with V type ball valve (3), and the bottom of V type ball valve (3) is provided with spacing (303), and spacing (303) are located the top of back shaft (6).

5. A forged steel V-type ball valve according to claim 3, wherein: end covers (401) are arranged on two sides of the air cylinder (4), fixing bolts (402) are embedded in the outer sides of the end covers (401), and connecting ports (403) are arranged on the front face of the air cylinder (4).

6. A forged steel V-type ball valve according to claim 2, wherein: four groups of combination screws (502) are arranged on the left side of the back face of the valve cover (5), an lateral graphite gasket (501) is arranged on the back face of the valve cover (5), and a second O-shaped ring (503) is embedded in the outer side of the valve cover (5).

7. The forged steel V-type adjusting ball valve according to claim 1, wherein: four groups of mounting screws (601) are arranged at the bottom of the support shaft (6), a top gasket (603) is embedded and mounted at the top of the support shaft (6), a combined bearing (602) is embedded and mounted at the outer side of the top of the support shaft (6), and a plurality of groups of third O-shaped rings (605) are embedded and mounted at the outer side of the support shaft (6).

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