CN220452776U

CN220452776U - Locking type hard sealing all-welded ball valve

Info

Publication number: CN220452776U
Application number: CN202322270231.1U
Authority: CN
Inventors: 周永明
Original assignee: SHANDONG EFIELD PIPING SYSTEM CO Ltd
Current assignee: SHANDONG EFIELD PIPING SYSTEM CO Ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-02-06
Anticipated expiration: 2033-08-23

Abstract

The utility model provides a locking type hard sealing all-welded ball valve which comprises a valve body, a ball body, a valve rod and a limit ring, wherein the ball body is arranged in the valve body, the valve rod is arranged at the upper end of the ball body, an inner thread groove is formed in the upper end of the valve body, the limit ring is arranged in the inner thread groove, a valve cover is arranged at the upper end of the limit ring, threads are arranged on the outer side of the lower end of the valve cover, the valve cover is rotatably arranged in the inner thread groove, and the valve rod penetrates through the valve cover and the limit ring and is arranged at the upper end of the ball body. The valve body is reasonable in structure, the rotation angle of the valve body is changed to control the flow direction and the flow rate of fluid, the valve rod can drive the valve body to rotate, the limiting ring is extruded by rotating in the internal thread groove through the valve cover, the friction force between the limiting ring and the valve rod is increased, the rotation position of the valve rod is fixed, and the internal thread groove and the valve rod can be tightly attached through extrusion of the limiting ring, so that the sealing effect is improved.

Description

Locking type hard sealing all-welded ball valve

Technical Field

The utility model relates to a locking type hard sealing all-welded ball valve, and belongs to the technical field of ball valves.

Background

The ball valve, the opening and closing piece (sphere) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels. The valve should be installed generally horizontally in the pipeline. The ball valve is divided into: the pneumatic ball valve and the electric ball valve are a common fluid control valve, the flow of fluid and the opening and closing of the valve can be regulated by controlling the rotation angle of a ball body, the accurate control of the fluid is realized, the flow of the fluid can be cut off or unobstructed, and the ball valve is commonly used in water supply and drainage systems of buildings and used for controlling the opening and closing and regulation of water flow.

In the prior art, the ball valve is not easy to fix the rotation position, which means that the valve rod is easy to be influenced by external factors to move or rotate, and the movement or rotation can possibly lead to the reduction of the sealing performance of the valve, so that the leakage condition occurs, and the locking type hard sealing all-welded ball valve is urgently needed to solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a locking type hard sealing all-welded ball valve so as to solve the problem that the ball valve is not easy to fix the rotating position.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a locking type hard seal all-welded ball valve, includes valve body, spheroid, valve rod and spacing collar, the inside spheroid that is provided with of valve body, the spheroid upper end is provided with the valve rod, the internal thread groove has been seted up to the valve body upper end, the inside spacing collar that is provided with of internal thread groove, the spacing collar upper end is provided with the valve gap, the valve gap lower extreme outside is provided with the screw thread, the valve gap rotation is installed inside the internal thread groove, the valve rod runs through valve gap and spacing collar installs in the spheroid upper end.

Further, a through hole is horizontally formed in the ball body.

Further, connecting flanges are arranged at two ends of the valve body, and a plurality of groups of connecting holes are formed in the periphery of the connecting flanges.

Further, the upper end of the valve rod is provided with a force-applying rod.

Further, the outer side of the upper end of the valve rod is in a thread shape, a mounting hole is formed in the left side of the stress application rod, and the upper end of the valve rod is mounted in the mounting hole.

Further, the upper end of the stressing rod is provided with a fixing nut, and the fixing nut is arranged at the upper end of the valve rod.

Further, the limit ring is made of rubber, the limit ring is extruded by rotation of the valve cover, and anti-skid patterns are formed in the position of the limit ring on the valve rod.

By adopting the technical scheme, the utility model has the beneficial effects that: according to the locking type hard sealing all-welded ball valve, the ball body is rotated in the valve body, so that the rotation angle of the ball body is changed to control the flow direction and the flow rate of fluid, the ball body can be driven to rotate through the valve rod, the limiting ring is extruded through the rotation of the valve cover in the internal thread groove, the friction force between the limiting ring and the valve rod is increased, the rotation position of the valve rod is fixed, the internal thread groove and the valve rod can be closely attached through extrusion of the limiting ring, and the sealing effect is improved.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of a locking type hard seal all-welded ball valve according to the present utility model;

FIG. 2 is a schematic diagram showing the closed state structure of a locking type hard seal all-welded ball valve according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a locking type hard seal all-welded ball valve according to the present utility model;

FIG. 4 is a schematic diagram of the explosive structure of a locking type hard seal all-welded ball valve of the present utility model.

In the figure: 1-valve body, 11-internal thread groove, 2-spheroid, 21-through-hole, 3-valve gap, 4-spacing collar, 5-valve rod, 51-anti-skidding line, 6-flange, 61-connecting hole, 7-afterburning pole, 71-mounting hole, 8-fixation nut.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a locking type hard seal all-welded ball valve, including valve body 1, spheroid 2, valve rod 5 and spacing collar 4, valve body 1 inside is provided with spheroid 2, spheroid 2 upper end is provided with valve rod 5, internal thread groove 11 has been seted up to valve body 1 upper end, internal thread groove 11 inside is provided with spacing collar 4, spacing collar 4 upper end is provided with valve gap 3, the valve gap 3 is rotatory to be installed in internal thread groove 11 inside, valve rod 5 runs through valve gap 3 and spacing collar 4 and installs in spheroid 2 upper end, through the spheroid 2 internal rotation of setting, make its rotation angle of change control fluidic flow direction and flow, can drive spheroid 2 rotation through the valve rod 5 of setting, extrude spacing collar 4 through the internal thread groove 11 internal rotation of setting, increase the frictional force of spacing collar 4 and valve rod 5, make fixed valve rod 5's rotation position, and can closely laminate internal thread groove 11 and valve rod 5 through extrusion spacing collar 4, make increase sealed effect.

The through holes 21 are horizontally formed in the ball body 2, the through holes 21 formed in the ball body 2 can be used for realizing unidirectional flow or bidirectional flow of fluid, and in a closed state, the through holes 21 in the ball body 2 can form a seal with the valve body 1, so that leakage of the fluid is avoided.

The connecting flange 6 is arranged at two ends of the valve body 1, a plurality of groups of connecting holes 61 are formed in the periphery of the connecting flange 6, the connecting flange 6 arranged at two ends of the valve body 1 is used for being connected with an external pipeline or equipment, the connecting holes 61 formed in the connecting flange 6 are used for being connected with the external pipeline or equipment, and the number and the size of the connecting holes 61 can be designed according to requirements so as to meet different working condition requirements.

The valve rod 5 upper end is provided with afterburning pole 7, can increase the area of force of valve rod 5 through afterburning pole 7 that valve rod 5 upper end set up for reduce the required power when operating the ball valve, the operation is light laborsaving more, and when operating the ball valve under high pressure, afterburning pole 7 can help valve rod 5 bear pressure better, keeps the stability and the reliability of ball valve.

The outside of the upper end of the valve rod 5 is in a thread shape, the left side of the stress application rod 7 is provided with a mounting hole 71, the upper end of the valve rod 5 is mounted inside the mounting hole 71, the valve rod 5 can be conveniently mounted inside the mounting hole 71 through the mounting hole 71 arranged on the left side of the stress application rod 7, and the valve rod 5 with different sizes can be suitable for through the mounting hole 71. According to the actual requirements, the valve rods 5 with different sizes can be selected to be connected with the stress application rods 7, so that more flexibility is provided to meet the requirements of different application scenes.

The fixed nut 8 is arranged at the upper end of the stressing rod 7, the fixed nut 8 is arranged at the upper end of the valve rod 5, the fixed nut 8 arranged at the upper end of the stressing rod 7 can be tightly matched with a thread-shaped part on the valve rod 5, the connection firmness between the valve rod 5 and the stressing rod 7 is increased, the stressing rod 7 can be prevented from loosening or falling off when the ball valve is operated, and the safety and the reliability of operation are improved.

The spacing collar 4 is the rubber material, and the rotation of valve gap 3 can extrude spacing collar 4, and valve rod 5 is provided with anti-skidding line 51 in spacing collar 4 department, extrudees spacing collar 4 through the internal thread groove 11 internal rotation of valve gap 3 that sets up, increases the frictional force of spacing collar 4 and valve rod 5 for fixed valve rod 5's rotation position, and can increase the frictional force between valve rod 5 surface and the spacing collar 4 through the anti-skidding line 51 that valve rod 5 set up in spacing collar 4 department, prevent to skid at spacing collar 4 department at valve rod 5 in the operation process, ensure the stability and the accuracy of operation.

As an embodiment of the present utility model: when the locking type hard seal all-welded ball valve is subjected to fixed rotation position, firstly fixed rotation position operation is carried out, the ball valve needs to be ensured to be in a closed state, fluid leakage from the ball valve in the operation process can be prevented, the rotation position of the ball valve needs to be fixed is determined according to the use scene and the process flow of the ball valve, the rotary valve cover 3 rotates to extrude the limit ring 4, the friction force between the limit ring 4 and the valve rod 5 is increased to fix the rotation position of the valve rod 5, the anti-skid patterns 51 arranged at the limit ring 4 of the valve rod 5 can increase the friction force between the surface of the valve rod 5 and the limit ring 4, and the valve rod 5 is prevented from slipping at the limit ring 4 in the operation process, so that the fixed rotation position of the locking type hard seal all-welded ball valve is completed.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a locking type hard seal all-welded ball valve, includes valve body (1), spheroid (2), valve rod (5) and spacing collar (4), its characterized in that: the novel valve is characterized in that a ball body (2) is arranged inside the valve body (1), a valve rod (5) is arranged at the upper end of the ball body (2), an inner thread groove (11) is formed in the upper end of the valve body (1), a limit ring (4) is arranged inside the inner thread groove (11), a valve cover (3) is arranged at the upper end of the limit ring (4), threads are arranged outside the lower end of the valve cover (3), the valve cover (3) is rotatably arranged inside the inner thread groove (11), and the valve rod (5) penetrates through the valve cover (3) and the limit ring (4) to be arranged at the upper end of the ball body (2).

2. A locking hard seal all-welded ball valve according to claim 1, wherein: the ball body (2) is horizontally provided with a through hole (21).

3. A locking hard seal all-welded ball valve according to claim 1, wherein: connecting flanges (6) are arranged at two ends of the valve body (1), and a plurality of groups of connecting holes (61) are formed in the periphery of the connecting flanges (6).

4. A locking hard seal all-welded ball valve according to claim 1, wherein: the upper end of the valve rod (5) is provided with a stress application rod (7).

5. A locking hard seal all-welded ball valve according to claim 4, wherein: the outer side of the upper end of the valve rod (5) is in a thread shape, a mounting hole (71) is formed in the left side of the stress application rod (7), and the upper end of the valve rod (5) is mounted in the mounting hole (71).

6. A locking hard seal all-welded ball valve according to claim 5, wherein: the upper end of the stressing rod (7) is provided with a fixing nut (8), and the fixing nut (8) is arranged at the upper end of the valve rod (5).

7. A locking hard seal all-welded ball valve according to claim 1, wherein: the limiting ring (4) is made of rubber, the limiting ring (4) can be extruded by rotation of the valve cover (3), and anti-slip patterns (51) are formed in the position of the limiting ring (4) by the valve rod (5).