CN220581729U - High-sealing ball valve - Google Patents

Abstract

The utility model relates to the technical field of ball valves, and discloses a high-sealing ball valve, wherein a first sealing gasket is abutted against one side of a limiting ring in a through groove, a slot is formed in one side of the first sealing gasket, two ends of the through groove are provided with internal thread sections, two ends of a ball valve shell are provided with limiting holes, two ends of the ball valve shell are positioned in the limiting holes, a second sealing gasket is inserted into the limiting holes, and a first external thread limiting pipe is connected to the internal of the internal thread section through threads; through the setting of first sealed packing in the one end and the holding ring of first external screw thread spacing pipe, increased the area of contact of first sealed packing and first external screw thread spacing pipe one end, improved the leakproofness of ball valve, avoided the ball valve in the long-time in-process of using simultaneously, the outside and the internal thread section of first external screw thread spacing pipe are because the feed liquor takes place to corrode, lead to first external screw thread spacing pipe can't dismantle to can't change first external screw thread spacing pipe, reduce the practicality of ball valve.

Description

High-sealing ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a high-sealing ball valve.

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: pneumatic ball valve, electric ball valve, manual ball valve.

When the traditional ball valve is in actual use, the condition of leakage of the joint still can occur, so that water in the ball valve flows outwards, the actual use effect of the ball valve is affected due to poor sealing performance, and therefore, the high-sealing ball valve is provided.

Disclosure of Invention

The utility model aims to provide a high-sealing ball valve, so as to solve the problem that in the prior art, when the traditional ball valve is in actual use, the condition of liquid leakage at the joint still occurs, so that water in the ball valve flows outwards, and the actual use effect of the ball valve is affected due to poor sealing property.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high sealed ball valve, includes the ball valve shell, logical groove has been seted up on the ball valve shell, the spacing ring has all been placed at the inside both ends of logical groove, the arc wall has been seted up to one side of spacing ring, the inside of leading to the groove is located one side of spacing ring and contradicts and have first sealed the pad, slot has been seted up to one side of first sealed pad, the both ends of leading to the groove all are provided with the internal thread section, spacing hole has all been seted up at the both ends of ball valve shell, the both ends of ball valve shell are located the inside of spacing hole and have been inserted the sealed pad of second, the inside of internal thread section has first external screw thread spacing pipe through threaded connection.

Further preferred as the technical scheme is that: a ball body is placed between the two limiting rings, a through hole is formed in the outer side of the ball body, and a limiting groove is formed in the upper side of the ball body.

Further preferred as the technical scheme is that: the ball valve is characterized in that a deep groove is formed in the top of the ball valve shell, an internal thread groove is formed in the top of the deep groove, a valve rod is movably inserted into the internal thread groove and the deep groove, a second external thread limiting pipe is movably sleeved on the outer side of the valve rod, and the second external thread limiting pipe is connected to the inner portion of the internal thread groove.

Further preferred as the technical scheme is that: and a sealing ring is arranged between one end of the second external thread limiting pipe and the bottom of the internal thread groove, and the sealing ring is sleeved on the outer side of the valve rod.

Further preferred as the technical scheme is that: the outside of spacing ring has seted up the constant head tank, the opposite side fixedly connected with holding ring of first sealed pad, the holding ring inserts in the inside of constant head tank.

Further preferred as the technical scheme is that: the arc-shaped groove is matched with the outer side of the sphere, and the sphere is abutted against the outer side of the arc-shaped groove.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first sealing gasket is wrapped at one end of the first external thread limiting pipe and the positioning ring is arranged, so that the contact area between the first sealing gasket and one end of the first external thread limiting pipe is increased, the sealing property of the ball valve is improved, meanwhile, the problem that the first external thread limiting pipe cannot be disassembled due to corrosion of liquid inlet on the outer side and the internal thread section of the first external thread limiting pipe in the long-time use process of the ball valve is avoided, and therefore, the first external thread limiting pipe cannot be replaced, and the practicability of the ball valve is reduced; through the setting of second sealed pad and spacing hole, can prevent that external rainwater and dust from getting into the inside of internal thread section and spacing hole, lead to can't changing first external screw thread spacing pipe, great improvement the leakproofness of ball valve.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a right side view of the present utility model;

fig. 3 is a schematic cross-sectional structure of the present utility model.

Reference numerals illustrate: 1. a ball valve housing; 2. a through groove; 3. a limiting ring; 4. an arc-shaped groove; 5. a first gasket; 6. a slot; 7. an internal thread segment; 8. a limiting hole; 9. a second gasket; 10. a first externally threaded limiting tube; 11. a sphere; 12. a through hole; 13. a limit groove; 14. a deep groove; 15. an internal thread groove; 16. a valve stem; 17. a second external thread limiting tube; 18. a positioning groove; 19. a positioning ring; 20. and (3) sealing rings.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Examples

In the prior art, when the traditional ball valve is in actual use, the condition of leaking liquid at the joint still can appear, so that water in the ball valve flows outwards, and the actual use effect of the ball valve is affected due to poor sealing property.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a high sealed ball valve, including ball valve housing 1, the logical groove 2 has been seted up on the ball valve housing 1, spacing ring 3 has all been placed at the inside both ends of logical groove 2, arc wall 4 has been seted up to one side of spacing ring 3, the inside of logical groove 2 is located one side of spacing ring 3 and is contradicted and is had first sealed pad 5, slot 6 has been seted up to one side of first sealed pad 5, both ends of logical groove 2 all are provided with internal thread section 7, spacing hole 8 has all been seted up at the both ends of ball valve housing 1, the both ends of ball valve housing 1 are located the inside of spacing hole 8 and have been inserted second sealed pad 9, through the setting of second sealed pad 9 and spacing hole 8, can prevent external rainwater and dust from getting into the inside of internal thread section 7 and spacing hole 8, lead to unable change first external screw thread spacing pipe 10, the leakproofness of ball valve has been greatly improved;

the inner part of the internal thread section 7 is connected with a first external thread limiting pipe 10 through threads, the outer side of the limiting ring 3 is provided with a positioning groove 18, the other side of the first sealing gasket 5 is fixedly connected with a positioning ring 19, and the positioning ring 19 is inserted into the positioning groove 18; through the setting of the first sealed one end of packing up at first external screw thread spacing pipe 10 and holding ring 19 of 5, increased the area of contact of first sealed one end of packing up 5 and first external screw thread spacing pipe 10, improved the leakproofness of ball valve, avoided the ball valve simultaneously at the in-process of long-time use, the outside of first external screw thread spacing pipe 10 and internal screw thread section 7 because the feed liquor takes place to corrode, lead to first external screw thread spacing pipe 10 can not dismantle to can't change first external screw thread spacing pipe 10, reduce the practicality of ball valve.

A sphere 11 is arranged between the two limiting rings 3, a through hole 12 is formed in the outer side of the sphere 11, a limiting groove 13 is formed in the upper side of the sphere 11, the arc-shaped groove 4 is matched with the outer side of the sphere 11, and the sphere 11 is abutted against the outer side of the arc-shaped groove 4; the top of the ball valve shell 1 is provided with a deep groove 14, the top of the deep groove 14 is provided with an internal thread groove 15, a valve rod 16 is movably inserted into the internal thread groove 15 and the deep groove 14, one end of the valve rod 16 is matched with the limit groove 13, the outer side of the valve rod 16 is movably sleeved with a second external thread limit pipe 17, the second external thread limit pipe 17 is connected to the inner part of the internal thread groove 15, a sealing ring 20 is arranged between one end of the second external thread limit pipe 17 and the bottom of the internal thread groove 15, and the sealing ring 20 is sleeved on the outer side of the valve rod 16; when the ball valve is used, the valve rod 16 is rotated, the valve rod 16 drives the ball 11 to rotate, the through hole 12 is communicated with the inside of the first external thread limiting pipe 10, the ball valve can be normally used at the moment, and when the ball valve needs to be closed, the ball valve can be closed by rotating the valve rod 16 to drive the ball 11 to rotate.

The utility model provides a theory of operation or structure principle for first external screw thread spacing pipe 10 contradicts in slot 6's inside, first external screw thread spacing pipe 10 extrudees first sealing gasket 5, make one side and spacing ring 3 laminating of first sealing gasket 5, thereby the sealed effect of ball valve has been improved, avoid its condition that leaks in the in-process that uses for a long time, the one end at first external screw thread spacing pipe 10 and setting up of locating ring 19 are wrapped up through first sealing gasket 5 simultaneously, the area of contact of first sealing gasket 5 and first external screw thread spacing pipe 10 one end has been increased, the leakproofness of ball valve has been improved, the outside and the internal thread section 7 of first external screw thread spacing pipe 10 have been avoided simultaneously at the in-process that uses for a long time because the feed liquor takes place to corrode, lead to first external screw thread spacing pipe 10 can't dismantle, thereby can't change first external screw thread spacing pipe 10, the practicality of reducing.

Through the setting of second sealed 9 and spacing hole 8, can prevent external rainwater and dust entering internal thread section 7 and spacing hole 8's inside, lead to unable change first external screw thread spacing pipe 10, great improvement the leakproofness of ball valve.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A high-tightness ball valve, comprising a ball valve housing (1), characterized in that: the ball valve shell (1) is provided with a through groove (2), limiting rings (3) are respectively arranged at two ends of the inside of the through groove (2), one side of each limiting ring (3) is provided with an arc groove (4), one side of each limiting ring (3) is provided with a first sealing gasket (5) in a contradicting mode, one side of each first sealing gasket (5) is provided with a slot (6), two ends of each through groove (2) are respectively provided with an internal thread section (7), two ends of each ball valve shell (1) are respectively provided with a limiting hole (8), two ends of each ball valve shell (1) are located in the limiting holes (8) and are respectively inserted with a second sealing gasket (9), and the inner portions of the internal thread sections (7) are connected with first external thread limiting pipes (10) through threads.

2. A high seal ball valve according to claim 1, wherein: a sphere (11) is arranged between the two limiting rings (3), a through hole (12) is formed in the outer side of the sphere (11), and a limiting groove (13) is formed in the upper side of the sphere (11).

3. A high seal ball valve according to claim 1, wherein: the ball valve is characterized in that a deep groove (14) is formed in the top of the ball valve shell (1), an inner thread groove (15) is formed in the top of the deep groove (14), a valve rod (16) is movably inserted into the inner thread groove (15) and the deep groove (14), a second outer thread limiting pipe (17) is movably sleeved on the outer side of the valve rod (16), and the second outer thread limiting pipe (17) is connected to the inner part of the inner thread groove (15).

4. A high seal ball valve according to claim 3, wherein: a sealing ring (20) is arranged between one end of the second external thread limiting pipe (17) and the bottom of the internal thread groove (15), and the sealing ring (20) is sleeved on the outer side of the valve rod (16).

5. A high seal ball valve according to claim 1, wherein: the outside of spacing ring (3) has seted up constant head tank (18), the opposite side fixedly connected with holding ring (19) of first sealed pad (5), holding ring (19) inserts in the inside of constant head tank (18).

6. A high seal ball valve according to claim 2, wherein: the arc-shaped groove (4) is matched with the outer side of the sphere (11), and the sphere (11) is abutted against the outer side of the arc-shaped groove (4).