CN220706462U

CN220706462U - Ball valve convenient to maintain

Info

Publication number: CN220706462U
Application number: CN202321856197.XU
Authority: CN
Inventors: 董长康; 黄纪忠
Original assignee: LISHUI GUODA VALVE CO Ltd
Current assignee: LISHUI GUODA VALVE CO Ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-04-02
Anticipated expiration: 2033-07-14

Abstract

The utility model relates to the field of ball valves, and provides a ball valve convenient to maintain, which comprises a valve body, wherein a ball body is rotatably arranged in the valve body, the upper part of the ball body is connected with a valve rod, the valve rod is rotatably arranged on the inner side of a fixed body, the fixed body is arranged on the upper part of the valve body through a gland, sealing rings are respectively and slidably arranged on the two outer sides of the ball body, the two groups of sealing rings are respectively and threadedly connected with the two ends in the valve body, and four locking ports are formed in the end faces of the sealing rings.

Description

Ball valve convenient to maintain

Technical Field

The utility model belongs to the field of ball valves, and relates to a ball valve convenient to maintain.

Background

Ball valves are commonly used in petroleum refining, long-distance pipeline, chemical, paper, pharmaceutical, water conservancy, electric power, municipal, steel and other industries, and take a significant role in national economy, and can make a 90-degree rotation, and the cock body is a sphere with a circular through hole or channel passing through the axis thereof.

When the ball valve is used, through the rotation of the ball body, the opening and closing of the internal channel are achieved, and as the ball body is a part which moves frequently, abrasion is easy to occur, an internal gap is enlarged, so that the ball valve is not tightly closed, the ball valve is required to be maintained, the ball body is required to be detached during daily maintenance, and the ball body is required to be adjusted and replaced, so that the ball valve is inconvenient.

Disclosure of Invention

The utility model aims to provide a ball valve convenient to maintain, which solves the problems that when the ball valve is used, through the rotation of a ball body, the opening and the closing of an internal channel are achieved, as the ball body is a part which moves frequently, abrasion is easy to occur, the internal gap is enlarged, and the closing is not tight, so that the ball valve needs to be maintained, and when the ball valve is maintained in daily life, the whole ball body needs to be detached, and the ball body needs to be adjusted and replaced, so that the ball valve is inconvenient.

The technical scheme of the utility model is realized as follows: the novel valve comprises a valve body, wherein a ball body is rotatably arranged in the valve body, the upper portion of the ball body is connected with a valve rod, the valve rod is rotatably arranged on the inner side of a fixed body, the fixed body is arranged on the upper portion of the valve body through a gland, sealing rings are respectively slidably arranged on the two outer sides of the ball body, the two sealing rings are respectively connected with the two ends of the inner portion of the valve body in a threaded mode, four locking ports are formed in the end face of each sealing ring, the valve body is made of cast iron materials, paint is coated on the outer side of the valve body, the ball body is made of copper materials, a wear-resisting layer is arranged on the outer side of the ball body, a boss is arranged in the middle of the outer side of the circumference of the valve rod and used for being arranged on the upper portion of the inner side of the fixed body, a threaded hole is formed in the upper portion of the valve rod and used for fixing a handle, and a clamping block is arranged on the lower portion of the valve rod and used for being connected with a clamping seat.

As a preferable scheme of the utility model, flanges are respectively arranged at two ends of the valve body, and the flanges and the valve body are of an integrated structure and are formed by casting.

As a preferable scheme of the utility model, the outer end of the flange is provided with a fixed hole, the center of the flange is provided with a flow channel, the middle part of the end surface of the flange is provided with a sealing groove, the fixed hole is processed by a milling process, and a rubber pad is arranged in the sealing groove.

As a preferable scheme of the utility model, a clamping seat is fixedly arranged in the middle of the upper part of the sphere, a valve rod is arranged on the upper part of the clamping seat, the clamping seat is fixedly connected with the sphere in a welding mode, and the valve rod is made of stainless steel materials.

As a preferable scheme of the utility model, the valve rod is provided with a handle through a bolt, the outer side of the handle is provided with an anti-skid sleeve, the outer side of the anti-skid sleeve is provided with an anti-skid groove, and the anti-skid sleeve is made of rubber materials.

As a preferable scheme of the utility model, the rotary rod is fixedly arranged at the lower part of the sphere, the rotary rod is rotatably arranged at the rotary seat, the rotary seat is fixedly arranged at the lower part of the inner side of the valve body, the rotary rod is fixedly arranged at the lower part of the sphere in a welding mode, and the rotary seat and the valve body are of an integrated structure and are connected together in a welding mode.

As a preferable scheme of the utility model, an opening is arranged in the middle of the sphere, the opening is a circular channel, and the outer side angles of the opening are chamfered.

As a preferable scheme of the utility model, a soft cushion is arranged between the inner outer end of the sealing ring and the inner wall of the valve body, the inner end of the sealing ring is provided with a wear-resistant layer, the soft cushion adopts a rubber cushion, and the inner material of the wear-resistant layer contains chromium.

The ball valve convenient to maintain has the beneficial effects that: according to the valve rod, the valve rod is fixed through the fixing body, the pressing cover is used for pressing, the ball body can be pressed through rotating the pressing cover, the sealing ring can be tightly attached to the outer side of the ball body through the locking opening, the ball body is maintained, the ball body is not required to be disassembled, and convenience is improved.

Drawings

FIG. 1 is an overall block diagram of an embodiment of the present utility model;

FIG. 2 is a diagram of a handle structure according to an embodiment of the present utility model;

FIG. 3 is a diagram of a flange structure according to an embodiment of the present utility model;

FIG. 4 is an enlarged block diagram of the embodiment of the present utility model at A;

FIG. 5 is an enlarged block diagram of the embodiment of the present utility model at B;

in the figure: 1. a valve body; 2. a gland; 3. a valve stem; 4. a bolt; 5. a handle; 6. a fixed body; 7. a clamping seat; 8. a seal ring; 9. a sphere; 10. an opening; 11. a rotating rod; 12. rotating base; 13. a flange; 14. an anti-skid sleeve; 15. a fixing hole; 16. sealing grooves; 17. a flow passage; 18. a soft cushion; 19. a wear-resistant layer; 20. locking port.

Detailed Description

As shown in fig. 1 to 5, the utility model discloses a ball valve convenient to maintain, the ball valve comprises a valve body 1, a ball 9 is rotatably arranged in the valve body 1, a valve rod 3 is connected to the upper part of the ball 9, the valve rod 3 is rotatably arranged on the inner side of a fixed body 6, the fixed body 6 is arranged on the upper part of the valve body 1 through a gland 2, sealing rings 8 are respectively slidably arranged on the two outer sides of the ball 9, two groups of sealing rings 8 are respectively in threaded connection with the two ends in the valve body 1, four locking ports 20 are arranged on the end faces of the sealing rings 8, the valve rod 3 is fixed through the fixed body 6, the pressing of the ball can be realized through the gland 2, the sealing rings 8 can be tightly attached to the outer sides of the ball through the locking ports 20, the maintenance of the ball 9 is realized, the ball 9 is not required to be disassembled, and the convenience is improved.

The two ends of the valve body 1 are respectively provided with a flange 13, and the flanges 13 are used for connecting pipelines to realize on-off control of the pipelines.

The outer end of the flange 13 is provided with a fixed hole 15, the center position of the flange 13 is provided with a flow channel 17, the middle part of the end face of the flange 13 is provided with a sealing groove 16, the fixed hole 15 is connected to the outer end of the flange 13 through a connecting bolt for a pipeline, the flow channel 17 is used for water to pass through, and the sealing groove 16 is used for installing a sealing gasket so as to realize tight connection between the pipeline and the flange 13.

The middle part fixed mounting in spheroid 9 top has cassette 7, and valve rod 3 is installed to cassette 7 upper portion, and valve rod 3 is connected in cassette 7, realizes the connection of valve rod 3 and spheroid 9 for valve rod 3 drives the rotation of spheroid 9.

The handle 5 is installed through bolt 4 to valve rod 3, and antiskid cover 14 is installed in the handle 5 outside, and bolt 4 is used for realizing the connection of valve rod 3 and handle 5, and antiskid cover 14 is used for wrapping up handle 5, when rotating handle 5, can prevent hand direct contact handle 5, and the antiskid line in the antiskid cover 14 outside can be used for the antiskid.

The rotary rod 11 is fixedly arranged at the lower part of the ball body 9, the rotary rod 11 is rotatably arranged at the rotary seat 12, the rotary seat 12 is fixedly arranged at the lower part of the inner side of the valve body 1, and the rotary rod 11 is rotated at the rotary seat 12 and is used for realizing stable rotation of the lower part of the ball body 9.

The middle part of the sphere 9 is provided with an opening 10, and the opening 10 is used for realizing the communication between the sphere 1 and the internal channel of the valve body 1 and realizing liquid transmission.

A soft cushion 18 is arranged between the outer end of the inner side of the sealing ring 8 and the inner wall of the valve body 1, a wear-resistant layer 19 is arranged at the inner end of the sealing ring 8, the soft cushion 18 is used for realizing the sealing between the sealing ring 8 and the valve body, the wear-resistant layer 19 realizes the wear resistance of the sealing ring 8, and the sealing ring 8 is prevented from being damaged.

The working principle of the ball valve convenient to maintain is as follows: when the ball valve convenient to maintain is used, the handle 5 is rotated, the valve rod 3 is rotated in the fixed body 6, the clamping seat 7 below is driven to rotate, the ball 9 is rotated, the rotary rod 11 is rotated in the rotary seat 12, the ball 9 is rotated by 90 degrees, the channel is communicated with the inner flow channel of the ball 9, the ball valve can realize the flow of water in a pipeline, when the ball 9 needs to be fastened, the wrench is used for clamping the locking port 20, the sealing ring 8 is rotated, the soft cushion 18 is extruded, meanwhile, the sealing ring 8 is tightly attached to the ball 9, gaps are reduced, and accordingly the adjustment and maintenance of the ball 9 are realized.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. A ball valve convenient to maintain, its characterized in that: including valve body (1), spheroid (9) are installed in inside rotation of valve body (1), spheroid (9) upper portion is connected with valve rod (3), valve rod (3) rotate and install in fixed body (6) inboard, fixed body (6) are installed in valve body (1) upper portion through gland (2), two outsides of spheroid (9) slidable mounting have sealing ring (8) respectively, two sets of sealing ring (8) threaded connection respectively in valve body (1) inside both ends, sealing ring (8) terminal surface is provided with four locking mouths (20).

2. The maintenance-friendly ball valve as claimed in claim 1, wherein: flanges (13) are respectively arranged at two ends of the valve body (1).

3. A ball valve for facilitating maintenance according to claim 2, wherein: the flange (13) outer end is provided with fixed orifices (15), flange (13) central point puts and is provided with runner (17), flange (13) terminal surface middle part is provided with seal groove (16).

4. The maintenance-friendly ball valve as claimed in claim 1, wherein: the middle part above the ball body (9) is fixedly provided with a clamping seat (7), and the upper part of the clamping seat (7) is provided with a valve rod (3).

5. The maintenance-friendly ball valve as claimed in claim 4, wherein: the valve rod (3) is provided with a handle (5) through a bolt (4), and the outer side of the handle (5) is provided with an anti-skid sleeve (14).

6. The maintenance-friendly ball valve as claimed in claim 1, wherein: the rotary rod (11) is fixedly arranged at the lower part of the ball body (9), the rotary rod (11) is rotatably arranged on the rotary seat (12), and the rotary seat (12) is fixedly arranged at the lower part of the inner side of the valve body (1).

7. The maintenance-friendly ball valve as claimed in claim 1, wherein: an opening (10) is arranged in the middle of the sphere (9).

8. A ball valve for facilitating maintenance according to claim 3, wherein: a soft cushion (18) is arranged between the outer end of the inner side of the sealing ring (8) and the inner wall of the valve body (1), and a wear-resistant layer (19) is arranged at the inner end of the sealing ring (8).