CN219639507U

CN219639507U - Soft seal ball valve

Info

Publication number: CN219639507U
Application number: CN202320881908.2U
Authority: CN
Inventors: 何向军
Original assignee: Zhejiang General Valve Industrial Co ltd
Current assignee: Zhejiang General Valve Industrial Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-09-05
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to the technical field of ball valves and discloses a soft sealing ball valve which comprises a first valve body and a second valve body, wherein a second buffer mechanism is fixedly arranged on the lower end face of the first valve body, and a rotating shaft is rotatably arranged at the middle point of one side of the upper end face of the second valve body. According to the utility model, the first buffer mechanism and the second buffer mechanism are respectively arranged at two sides of the lower end of the ball valve, so that a good buffer effect is effectively achieved when the first valve body and the second valve body descend, the vibration condition of the first valve body and the second valve body is slowed down, the service life of the whole valve body is effectively prolonged, the problems that the existing soft sealing ball valve is of a hard structure, the shock absorption effect is poor, the damage of the ball valve is easily caused, and the service life of the ball valve is short are solved, meanwhile, the gap between the ball valve and the inner wall is filled by the sealing rings at two sides of the ball valve, the tightness is improved, the sealing mechanism at the upper end and the lower end of the ball valve is sealed for the second time, and the sealing effect of the ball valve is greatly improved.

Description

Soft seal ball valve

Technical Field

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

Background

The traditional soft sealing ball valve mainly comprises a valve body, a valve ball, a valve rod, a sealing ring between the valve ball and the valve body, a handle and other parts.

The prior patent (publication number: CN 200993245Y) discloses a soft sealing ball valve, and relates to a ball valve. The utility model comprises a valve body, a valve ball positioned in the valve body, a valve rod, a handle, a sealing ring between the valve ball and the valve body, wherein the tail end of the valve rod is connected to the upper end of the valve ball, the valve rod penetrates through the valve body, and the outer end of the valve rod extends out of the valve body and is fixedly connected with the handle. The soft sealing ball valve also comprises a protection insert ring positioned at the inner side of the sealing ring. The beneficial effects of the utility model are as follows: the inner side of the sealing ring is provided with the protection inlaid ring, so that the erosion and the scouring of the sealing ring by a medium are effectively prevented; the adoption of the technical scheme prolongs the service life of the ball valve.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the ball valve fills gaps through the fixedly installed sealing ring, however, under the condition that the valve ball frequently rotates for a long time, the sealing ring is easy to wear, and the valve ball is easy to wear and shrink after long-time use, so that sealing leakage is caused, and the requirement of a user cannot be met; 2. meanwhile, the soft sealing ball valve is of a hard structure, the shock absorption effect is poor, the damage of the ball valve is easy to cause, and the service life of the ball valve is short, so that a soft sealing ball valve is provided by a person skilled in the art to solve the problem in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a soft sealing ball valve, which has the advantages that a first buffer mechanism and a second buffer mechanism are respectively arranged at two sides of the lower end of the ball valve, so that a good buffer effect is effectively achieved when the first valve body and the second valve body descend, the vibration condition of the first valve body and the second valve body is slowed down, the service life of the whole valve body is effectively prolonged, the problems that the existing soft sealing ball valve is of a hard structure, the shock absorption effect is poor, the damage of the ball valve is extremely easy to cause, the service life is short are solved, meanwhile, the gap between the ball and the inner wall is filled by sealing rings at two sides of the ball valve, the sealing performance is improved, the sealing mechanism at the upper end and the lower end of the ball valve is sealed for the second time, and the sealing effect of the ball valve is greatly improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the soft sealing ball valve comprises a first valve body and a second valve body, wherein a second buffer mechanism is fixedly arranged on the lower end surface of the first valve body, a rotating shaft is rotatably arranged at the midpoint of one side of the upper end surface of the second valve body, a grip is fixedly arranged on the upper end surface of the rotating shaft, a first buffer mechanism is fixedly arranged at the midpoint of one side of the lower end surface of the second valve body, bases are fixedly arranged on the lower end surfaces of the first buffer mechanism and the second buffer mechanism, and a stop block is fixedly arranged at the midpoint of the upper end surface of the base;

the lower end of the rotating shaft is fixedly connected with a valve ball inside the valve body, the opposite sides inside the first valve body and the second valve body are respectively provided with sealing rings in an embedded mode, a leak is formed in the bottom end face of one side inside the second valve body, a sealing cover is sleeved on the lower end face of the leak through threads, sealing mechanisms are respectively embedded in the outer side of the upper end face and the outer side of the lower end face of the valve ball, and clamping grooves are respectively formed in the upper end face and the lower end face of one side inside the second valve body;

through above-mentioned technical scheme, be provided with buffer gear and No. two buffer gear respectively in ball valve lower extreme both sides, effectively avoid the poor problem of shock attenuation buffer effect of the stereoplasm structure of soft seal ball valve outer wall, reduced the collision damage of ball valve, improved life, gap between ball valve and the inner wall is filled by the sealing washer of ball valve both sides simultaneously, improves the leakproofness, and carries out secondary seal at the sealing mechanism of ball valve upper and lower end, has improved the sealed effect of ball valve greatly.

Further, the first valve body and the second valve body are fixedly connected through bolts, and one end, away from each other, of the first valve body and the second valve body is connected with a pipeline through a flange;

through above-mentioned technical scheme, connect fixedly by bolt and flange, can accomplish installation and dismantlement fast, be convenient for overhaul and change and use.

Further, two sealing rings and the midpoint of one side of the valve ball are respectively provided with a through hole in a penetrating way, and the two sealing mechanisms are respectively embedded in the two clamping grooves;

through the technical scheme, the flow-through property of the ball valve is guaranteed, the sealing effect is enhanced, and the penetration corrosion of the stock solution is reduced.

Further, the first buffer mechanism comprises a connecting block, the connecting block is fixedly arranged at the lower end of the second valve body, and a spring damper is fixedly arranged on the lower end face of the connecting block;

through the technical scheme, the valve body of the second valve body is effectively lowered to achieve a good buffering effect, so that the vibration condition of the valve body of the second valve body is slowed down, and the service life of the valve body of the second valve body is effectively prolonged.

Further, the second buffer mechanism comprises a fixed block, wherein a top block is fixedly arranged on one side of the lower end surface of the fixed block, a spring telescopic rod is fixedly arranged on the lower end surface of the top block, and a bottom block is fixedly arranged on the lower end surface of the spring telescopic rod;

through above-mentioned technical scheme, the cooperation buffering mechanism carries out the synchronous buffering of valve body, has reduced the buffering inadequately of single point, and buffering shock attenuation effect is better.

Further, the sealing mechanism comprises a clamping block ring, the clamping block ring is embedded and arranged in the clamping groove, a limiting ring is fixedly arranged on the lower end face of the clamping block ring, and a plurality of telescopic springs are fixedly arranged on the lower end face of the limiting ring;

through above-mentioned technical scheme, by the self-extensibility of extension spring, still can accomplish the joint after effectively guaranteeing the shrink after the valve ball long-time use and seal, guarantee sealed effect, increase of service life.

Further, the limiting ring is embedded and arranged in the valve ball, and the limiting ring and the clamping block ring are annular blocks;

through the technical scheme, the sealing integrity is guaranteed, and leakage corrosion is reduced.

Further, the leakage opening is opposite to the midpoint of the lower end face of the valve ball, and the two stop blocks are respectively positioned at the right lower ends of the edges of the first valve body and the second valve body;

through above-mentioned technical scheme, the leakage opening of its lower extreme can discharge the stoste of infiltration, reduces the long-time accumulation corruption of stoste, and the dog adopts soft rubber pad, reduces the damage to the valve body.

The utility model has the following beneficial effects:

1. according to the soft sealing ball valve, the first valve body is connected with the second valve body, the first buffer mechanism and the second buffer mechanism are additionally arranged at the lower ends of the first valve body and the second valve body and respectively and synchronously buffer and damp the whole valve body, so that not only is the good buffer effect effectively achieved when the first valve body and the second valve body are descended, but also the vibration condition of the first valve body and the second valve body is slowed down, the service life of the whole valve body is prolonged effectively, and the problems that the existing soft sealing ball valve is of a hard structure, the damping effect is poor, the damage of the ball valve is easy to cause, and the service life of the ball valve is short are solved.

2. According to the soft sealing ball valve, the annular sealing rings are additionally arranged on the two sides of the valve ball in the valve body, the sealing rings are attached to the outer wall of the valve ball to prevent stock solution from leaking through the gap between the valve ball and the inner wall, so that the sealing effect is improved, meanwhile, the sealing mechanism is embedded in the upper end and the lower end of the valve ball, can be stretched under the action of the telescopic spring, one end of the sealing mechanism is clamped in the inner wall of the valve body and is positioned at the rear end of the sealing rings, so that the valve ball is secondarily sealed, the sealing rings can be continuously clamped and attached to the inner wall after the valve ball is contracted, the sealing performance of the valve body is greatly improved, and the leakage of stock solution is effectively reduced.

Drawings

FIG. 1 is a schematic diagram of a soft seal ball valve according to the present utility model;

FIG. 2 is a schematic front cross-sectional view of a soft seal ball valve according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of fig. 2B in accordance with the present utility model.

Legend description:

1. a valve body I; 2. a rotating shaft; 3. a grip; 4. a second valve body; 5. a first buffer mechanism; 501. a spring damper; 502. a connecting block; 6. a second buffer mechanism; 601. a fixed block; 602. a top block; 603. a bottom block; 604. a spring telescoping rod; 7. a base; 8. a stop block; 9. a valve ball; 10. a seal ring; 11. a sealing mechanism; 1101. a telescopic spring; 1102. a limiting ring; 1103. a clamping block ring; 12. a clamping groove; 13. a cover; 14. and a leak.

Detailed Description

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.

Examples

Referring to fig. 1-4, one embodiment provided by the present utility model is: the soft sealing ball valve comprises a first valve body 1 and a second valve body 4, wherein the first valve body 1 and the second valve body 4 are connected to form a finished ball valve body, a second buffer mechanism 6 is fixedly arranged on the lower end face of the first valve body 1, a rotating shaft 2 is rotatably arranged at the middle point of one side of the upper end face of the second valve body 4, a grip 3 is fixedly arranged on the upper end face of the rotating shaft 2, a first buffer mechanism 5 is fixedly arranged at the middle point of one side of the lower end face of the second valve body 4, a base 7 is fixedly arranged on the lower end face of the first buffer mechanism 5 and the lower end face of the second buffer mechanism 6, a stop block 8 is fixedly arranged at the middle point of the upper end face of the base 7, and the buffer and shock absorption effects of the bottom end are effectively guaranteed by additionally arranging the first buffer mechanism 5 and the second buffer mechanism 6 at the lower end of the soft sealing ball valve, so that collision damage caused by a hard structure of the soft sealing ball valve is avoided, and the service life is prolonged;

the axis of rotation 2 lower extreme is located the inside fixedly connected with valve ball 9 of valve body, valve body 1 and No. two valve body 4 inside relative one side is located valve ball 9 both sides and all embeds and is provided with sealing washer 10, leak 14 and the lower terminal surface screw thread of leak 14 have been seted up to No. two valve body 4 inside one side bottom surfaces cover 13, valve ball 9 up end outside and the outside of lower terminal surface all embeds and is provided with sealing mechanism 11, draw-in groove 12 has all been seted up to No. two valve body 4 inside one side up end and lower terminal surface, sealing washer 10 and valve ball 9 both sides laminating, prevent that the stoste from leaking from this, and increase inboard sealing mechanism 11, further improve sealed effect, and leak 14 and the closing cap 13 of lower extreme can discharge the stoste of leaking infiltration, reduce long-time stacked corrosivity.

The valve body 1 and the valve body 4 are fixedly connected through bolts, one end, away from the other end, of the valve body 1 and the valve body 4 is connected with a pipeline through a flange, the valve body 1 and the valve body 4 are integrally connected through bolts to form a ball valve body, the two sides of the ball valve body are fixedly connected through the bolts and the flange to conduct guide pipe, installation and disassembly can be completed quickly, and the ball valve is convenient to overhaul, replace and use.

Two sealing rings 10 and valve ball 9 are all run through and have offered the circulation hole in midpoint department in one side, and two sealing mechanism 11 imbeds respectively and set up in two draw-in grooves 12, and sealing ring 10 and valve ball 9 circulation hole size and direction are unanimous, guarantee that the circulation of stoste is smooth and easy, and sealing mechanism 11 imbeds in the inner wall draw-in groove 12, not only is favorable to guaranteeing the circulation of ball valve, and strengthens its sealed effect, reduces the infiltration corruption of stoste.

The first buffer mechanism 5 comprises a connecting block 502, the connecting block 502 is fixedly arranged at the lower end of the second valve body 4, the lower end face of the connecting block 502 is fixedly provided with a spring damper 501, the second buffer mechanism 6 comprises a fixed block 601, one side of the lower end face of the fixed block 601 is fixedly provided with a top block 602, the lower end face of the top block 602 is fixedly provided with a spring telescopic rod 604, the lower end face of the spring telescopic rod 604 is fixedly provided with a bottom block 603, the first buffer mechanism 5 is matched for synchronous buffering of the valve body, the buffer of a single point is reduced, the buffer damping effect is better, the good buffer effect is achieved when the valve body descends, the vibration condition of the valve body is slowed down, and the service life of the valve body is effectively prolonged.

The sealing mechanism 11 comprises a clamping block ring 1103, the clamping block ring 1103 is embedded in the clamping groove 12, a limiting ring 1102 is fixedly arranged on the lower end face of the clamping block ring 1103, a plurality of telescopic springs 1101 are fixedly arranged on the lower end face of the limiting ring 1102, after long-time use, the internal valve ball 9 is contracted, the telescopic springs 1101 are not stretched after extrusion force and push the limiting ring 1102, at the moment, the clamping block ring 1103 on the outer side pushes synchronously, the clamping block ring 1103 is enabled to be always positioned in the clamping groove 12, the self-extensibility of the telescopic springs 1101 is enabled, clamping sealing can still be achieved after the valve ball 9 is contracted after long-time use, the sealing effect is guaranteed, and the service life is prolonged.

The limiting ring 1102 is embedded in the valve ball 9, the limiting ring 1102 and the clamping block ring 1103 are annular blocks, the sealing integrity is guaranteed, the occurrence of leakage corrosion is reduced, the leakage opening 14 is opposite to the midpoint of the lower end face of the valve ball 9, the two stop blocks 8 are respectively positioned at the right lower ends of the edges of the first valve body 1 and the second valve body 4, the leakage opening 14 at the lower end of the stop blocks can discharge the permeated stock solution, the long-time accumulation corrosion of the stock solution is reduced, the stop blocks 8 adopt soft rubber pads, and the damage to the valve bodies is reduced.

Working principle: when the sealing device is used, the first valve body 1 and the second valve body 4 are connected by using bolts, the formed valve body is connected with a guide pipe by using flanges, at the moment, raw liquid flows into the valve body, the rotating handle 3 drives the rotating shaft 2 to rotate, the valve ball 9 at the lower end rotates, the circulation holes of the valve ball 9 and the sealing ring 10 are communicated, raw liquid smoothly flows, the sealing ring 10 is attached to the outer wall of the valve ball 9, the raw liquid cannot enter a gap between the valve ball 9 and the inner wall, and the clamping block ring 1103 of the sealing mechanism 11 at the rear end is embedded into the inner clamping groove 12 to be secondarily sealed, so that the leakage phenomenon is greatly reduced, and after the sealing device is used for a long time, the sealing device can be twisted to open the sealing cover 13 to observe whether the leakage 14 falls down or not, and the tightness of the raw liquid is easy to detect the ball valve.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a soft seal ball valve, includes valve body (1) and No. two valve bodies (4), its characterized in that: the novel valve is characterized in that a second buffer mechanism (6) is fixedly arranged on the lower end face of the first valve body (1), a rotating shaft (2) is rotatably arranged at the middle point of one side of the upper end face of the second valve body (4), a grip (3) is fixedly arranged on the upper end face of the rotating shaft (2), a first buffer mechanism (5) is fixedly arranged at the middle point of one side of the lower end face of the second valve body (4), bases (7) are fixedly arranged on the lower end faces of the first buffer mechanism (5) and the second buffer mechanism (6), and stop blocks (8) are fixedly arranged at the middle points of the upper end faces of the bases (7);

the valve is characterized in that the lower end of the rotating shaft (2) is fixedly connected with a valve ball (9) inside the valve body, one side, opposite to the inner side, of the valve body (1) and the second valve body (4) is provided with sealing rings (10) in an embedded mode, a sealing cover (13) is sleeved on the lower end face of the leak (14) and the lower end face of the leak (14) in the bottom end face of the inner side of the second valve body (4), sealing mechanisms (11) are embedded in the outer side of the upper end face of the valve ball (9) and the outer side of the lower end face of the valve body, and clamping grooves (12) are formed in the upper end face and the lower end face of the inner side of the second valve body (4).

2. The soft seal ball valve of claim 1, wherein: the valve body I (1) and the valve body II (4) are fixedly connected through bolts, and one end, away from each other, of the valve body I (1) and the valve body II (4) is connected with a pipeline through a flange.

3. The soft seal ball valve of claim 1, wherein: the two sealing rings (10) and the midpoint of one side of the valve ball (9) are respectively provided with a through hole in a penetrating way, and the two sealing mechanisms (11) are respectively embedded into the two clamping grooves (12).

4. The soft seal ball valve of claim 1, wherein: the first buffer mechanism (5) comprises a connecting block (502), the connecting block (502) is fixedly arranged at the lower end of the second valve body (4), and a spring damper (501) is fixedly arranged on the lower end face of the connecting block (502).

5. The soft seal ball valve of claim 1, wherein: the second buffering mechanism (6) comprises a fixed block (601), a top block (602) is fixedly arranged on one side of the lower end face of the fixed block (601), a spring telescopic rod (604) is fixedly arranged on the lower end face of the top block (602), and a bottom block (603) is fixedly arranged on the lower end face of the spring telescopic rod (604).

6. The soft seal ball valve of claim 1, wherein: the sealing mechanism (11) comprises a clamping block ring (1103), the clamping block ring (1103) is embedded in the clamping groove (12), a limiting ring (1102) is fixedly arranged on the lower end face of the clamping block ring (1103), and a plurality of telescopic springs (1101) are fixedly arranged on the lower end face of the limiting ring (1102).

7. The soft seal ball valve of claim 6, wherein: the limiting ring (1102) is embedded in the valve ball (9), and the limiting ring (1102) and the clamping block ring (1103) are annular blocks.

8. The soft seal ball valve of claim 1, wherein: the leakage opening (14) is right opposite to the midpoint of the lower end face of the valve ball (9), and the two stop blocks (8) are respectively positioned at the right lower ends of the edges of the first valve body (1) and the second valve body (4).