CN220706576U

CN220706576U - Ball valve with safeguard function

Info

Publication number: CN220706576U
Application number: CN202322063351.4U
Authority: CN
Inventors: 董长康; 黄纪忠; 胡晋康
Original assignee: LISHUI GUODA VALVE CO Ltd
Current assignee: LISHUI GUODA VALVE CO Ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-04-02
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to the field of ball valves, and provides a ball valve with a protection function, which comprises a valve body, wherein a ball body is rotatably arranged in the valve body, the top of the ball body is connected with a valve rod, the top of the valve rod is provided with a connecting block, the outer side of the connecting block is fixedly provided with a handle through a hand-screwing bolt, and the outer end of the top surface of the handle is fixedly provided with a folding handle.

Description

Ball valve with safeguard function

Technical Field

The utility model belongs to the field of ball valves, and relates to a ball valve with a protection function.

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.

The ball valve is rotated through rotating the handle, so that the ball body rotates to achieve the purpose of channel on-off, the handle is often arranged outside the ball valve, a mechanical lock is needed to lock the handle in some specific occasions to keep the pipeline on-off for protection, the handle is exposed, the mechanical lock is easy to be opened by other people, and the condition that the ball valve is opened or closed still exists.

Disclosure of Invention

The utility model aims to provide a ball valve with a protection function, which solves the problems that the ball valve is turned by rotating a handle to realize the purpose of opening and closing a channel, the handle is often arranged outside the ball valve, a mechanical lock is required to lock the handle in some specific occasions to keep the pipeline on and off for protection, the handle is exposed, the mechanical lock is easy to be opened by other people, and the condition that the ball valve is opened or closed still exists.

The technical scheme of the utility model is realized as follows: the novel valve comprises a valve body, a ball body is rotatably arranged in the valve body, the top of the ball body is connected with a valve rod, the top of the valve rod is provided with a connecting block, the outer side of the connecting block is fixedly provided with a handle through a hand-screwed bolt, the outer end of the top surface of the handle is fixedly provided with a folding handle, the valve body is made of cast iron materials, the outer side of the valve body is coated with paint, the ball body is made of copper materials, and the outer side of the valve body is provided with a wear-resistant layer.

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 ball body, a valve rod is arranged on the upper part of the clamping seat, 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, the gland is in threaded connection with the upper part of the inner side of the valve body, a boss is arranged in the middle of the outer side of the circumference of the valve rod and is used for being arranged on the upper part of the inner side of the fixed body, a threaded hole is arranged on the upper part of the valve rod and is used for fixing a handle, and a clamping block is arranged on the lower part of the valve rod and is used for being arranged on the clamping seat.

As a preferable scheme of the utility model, the lower part of the sphere is fixedly provided with the fixing rod, the fixing rod is rotatably arranged on the fixing seat, the fixing seat is fixedly arranged on the lower part of the inner side of the valve body, and the fixing rod and the fixing seat are both made of stainless steel materials, so that rust prevention can be realized.

As a preferable scheme of the utility model, sealing rings are respectively and slidably arranged on the two outer sides of the ball body, a pressing ring is arranged on the outer sides of the sealing rings, the pressing ring is fixedly arranged on the two inner ends of the valve body through fastening bolts, the sealing rings are made of copper materials, a wear-resistant layer is arranged at the inner ends of the sealing rings, and the pressing ring is made of stainless steel materials.

As a preferable scheme of the utility model, a connecting port is arranged at the bottom of the inner end of the handle, the connecting port is arranged at the outer side of the connecting block, the connecting port is square, and a round hole is correspondingly formed at the top of the connecting port and used for passing a hand-screwed bolt.

As a preferable scheme of the utility model, the folding handle comprises a swivel base, a swivel block is rotatably arranged on the inner side of the swivel base through a pin, a rotating rod is fixedly arranged on the top surface of the swivel block, a swivel sleeve is rotatably arranged on the rotating rod through a nut, an anti-slip groove is formed in the outer side of the circumference of the swivel sleeve, a top plate is fixedly arranged on the lower portion of the inner side of the swivel base through a spring, an opening is formed in the inner end of the swivel base, the rotating rod is made of stainless steel materials, and the swivel sleeve is made of rubber materials.

The ball valve with the protection function has the beneficial effects that: according to the utility model, the connecting block is arranged at the top of the valve rod, the handle is connected through screwing the bolt by hand, when the ball valve needs to be locked, the handle is disassembled, so that the locking protection of the ball valve can be realized, the problem that a mechanical lock is easy to be opened by other people is avoided, and the folding handle can save operation force when the ball body rotates through unfolding.

Drawings

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

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

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

FIG. 4 is a block diagram of a valve stem according to an embodiment of the present utility model;

FIG. 5 is a diagram of the folding handle structure of an embodiment of the present utility model;

in the figure: 1. a valve body; 2. a gland; 3. a valve stem; 4. screwing the bolt by hand; 5. a handle; 6. a fixed body; 7. a clamping seat; 8. a seal ring; 9. a folding handle; 901. rotating base; 902. a spring; 903. a top plate; 904. an opening; 905. a pin; 906. a rotating block; 907. a rotating sleeve; 908. an anti-skid groove; 909. a nut; 910. a rotating rod; 10. a sphere; 11. a fixed rod; 12. a fixing seat; 13. a flange; 14. a compression ring; 15. a fixing hole; 16. sealing grooves; 17. a flow passage; 18. a fastening bolt; 19. a connection port; 20. and (5) connecting a block.

Detailed Description

As shown in fig. 1 to 5, the utility model discloses a ball valve with a protection function, which adopts the technical scheme that the ball valve comprises a valve body 1, a ball body 10 is rotatably arranged in the valve body 1, the top of the ball body 10 is connected with a valve rod 3, the top of the valve rod 3 is provided with a connecting block 20, the outer side of the connecting block 20 is fixedly provided with a handle 5 through a hand-screwed bolt 4, the outer end of the top surface of the handle 5 is fixedly provided with a folding handle 9, the top of the valve rod 3 is provided with the connecting block, the handle 5 is connected through the hand-screwed bolt 4, when the ball valve is required to be locked, the handle 5 is detached, the locking protection of the ball valve can be realized, the problem that a mechanical lock is easy to be opened by other people is avoided, and the folding handle 9 can save operation force when the ball body rotates through unfolding.

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 10 top has cassette 7, and valve rod 3 is installed on cassette 7 upper portion, and valve rod 3 rotates to be installed in the fixed body 6 inboard, and fixed body 6 passes through gland 2 to be installed in valve body 1 upper portion, and valve rod 3 passes through cassette 7 and connects spheroid 10, can make spheroid 10 rotatory under the circumstances of rotating valve rod 3.

The fixed rod 11 is fixedly arranged at the lower part of the ball body 10, the fixed rod 11 is rotatably arranged on the fixed seat 12, the fixed seat 12 is fixedly arranged at the lower part of the inner side of the valve body 1, and the fixed rod 12 rotates in the fixed seat 11, so that stability support can be provided for the rotation of the ball body 10.

Sealing rings 8 are slidably mounted on the two outer sides of the ball body 10 respectively, pressing rings 14 are mounted on the outer sides of the sealing rings 8, the pressing rings 14 are fixedly mounted at two ends inside the valve body 1 through fastening bolts 18, and the pressing rings 14 are used for pressing the sealing rings 8 to fix the sealing rings 8.

The bottom of the inner end of the handle 5 is provided with a connecting port 19, the connecting port 19 is arranged on the outer side of the connecting block 20, and the connecting port 19 is used for connecting the connecting block 20 to realize the connection between the valve rod 3 and the handle 5.

Folding handle 9 includes swivel mount 901, swivel mount 901 inboard rotates through the round pin 905 and installs the commentaries on classics piece 906, commentaries on classics piece 906 top surface fixed mounting has bull stick 910, bull stick 910 rotates through nut 909 and installs change cover 907, change cover 907 circumference outside is provided with anti-skidding groove 908, swivel mount 901 inboard lower part is provided with roof 903 through spring 902 fixed mounting, swivel mount 901 inner is provided with opening 904, bull stick 910 is used for rotating handle 5, roof 903 realize with the contact of commentaries on classics piece 906, spring 902 realizes roof 903 top tight commentaries on classics piece 906, anti-skidding groove 908 realizes the anti-skidding function of change cover 907.

The working principle of the ball valve with the protection function is as follows: when the ball valve with the protection function is used, firstly, the handle 3 is installed, the connecting port 19 at the inner end of the handle 2 is installed at the outer side of the connecting block 20, the rotating rod 910 is lifted by a hand screw 4 to enable the rotating block 906 to rotate in the fixed seat 901, the top plate 903 is pressed down, the spring 902 is compressed to enable the rotating rod 910 to vertically upwards, then the spring 902 enables the top plate 903 to tightly prop against the rotating block 906 by utilizing elasticity, at the moment, the rotating sleeve 907 can be held by hands, the rotating rod 910 is rotated, the rotating sleeve 907 rotates at the outer side of the circumference of the rotating rod 910, the rotating rod 910 drives the handle 5 to rotate, the valve rod 3 rotates in the fixed body 6 to drive the clamping seat 7 below to rotate, the ball body 10 rotates, the fixed rod 11 rotates in the fixed seat 12 to complete the rotation of 90 degrees of the ball body 10, the channel is communicated with the inner flow channel of the ball body 22, and the ball valve can realize the flow of water in the pipeline.

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. Ball valve with safeguard function, its characterized in that: including valve body (1), valve body (1) inside rotation installs spheroid (10), spheroid (10) top is connected with valve rod (3), valve rod (3) top is provided with connecting block (20), connecting block (20) outside is through hand screw bolt (4) fixed mounting handle (5), folding handle (9) are fixed mounting in handle (5) top surface outer end.

2. The ball valve with protective function according to claim 1, wherein: flanges (13) are respectively arranged at two ends of the valve body (1).

3. A ball valve with protective function according to claim 2, characterized in that: 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 ball valve with protective function according to claim 1, wherein: the novel valve is characterized in that a clamping seat (7) is fixedly arranged in the middle of the upper portion of the ball body (10), a valve rod (3) is arranged on the upper portion of the clamping seat (7), the valve rod (3) is rotatably arranged on the inner side of a fixed body (6), and the fixed body (6) is arranged on the upper portion of the valve body (1) through a gland (2).

5. The ball valve with protective function according to claim 1, wherein: the fixed rod (11) is fixedly arranged at the lower part of the ball body (10), the fixed rod (11) is rotatably arranged on the fixed seat (12), and the fixed seat (12) is fixedly arranged at the lower part of the inner side of the valve body (1).

6. The ball valve with protective function according to claim 1, wherein: sealing rings (8) are respectively and slidably arranged on the two outer sides of the ball body (10), a pressing ring (14) is arranged on the outer side of the sealing rings (8), and the pressing ring (14) is fixedly arranged at the two ends of the inner portion of the valve body (1) through fastening bolts (18).

7. The ball valve with protective function according to claim 1, wherein: the bottom of the inner end of the handle (5) is provided with a connecting port (19), and the connecting port (19) is arranged on the outer side of the connecting block (20).

8. The ball valve with protective function according to claim 1, wherein: folding handle (9) are including swivel mount (901), swivel mount (901) inboard is installed through round pin (905) rotation and is changeed piece (906), changeing piece (906) top surface fixed mounting and have bull stick (910), bull stick (910) are installed through nut (909) rotation and are changeed cover (907), it is provided with anti-skidding groove (908) to change cover (907) circumference outside, swivel mount (901) inboard lower part is through spring (902) fixed mounting has roof (903), swivel mount (901) inner is provided with opening (904).