CN216200775U

CN216200775U - Corrosion-resistant ball valve

Info

Publication number: CN216200775U
Application number: CN202122764172.4U
Authority: CN
Inventors: 范晋; 吴雪生
Original assignee: Zhejiang Baoshijia Valve Co ltd
Current assignee: Zhejiang Baoshijia Valve Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-05
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to a corrosion-resistant ball valve, which belongs to the field of ball valves and comprises a water inlet pipe, a water outlet pipe, a valve body, a ball body, a connecting pipe a, a connecting pipe b and a non-return mechanism; the water inlet pipe and the water outlet pipe are respectively arranged at two sides of the valve body; the ball body is rotatably arranged in the valve body; a water trough is arranged on the ball body; the upper end of the valve body is provided with a driving mechanism for driving the ball body to rotate; the driving mechanism is a speed reduction driving device; a water drainage groove is arranged on the valve body; the drainage channel is positioned at the water channel; one end of the connecting pipe a is arranged on the valve body, and the connecting pipe a is positioned at the drainage groove; b, one end of the connecting pipe is arranged on the water outlet pipe; the other ends of the connecting pipe a and the connecting pipe b are respectively arranged at two sides of the non-return mechanism. The utility model can easily open or close the ball valve.

Description

Corrosion-resistant ball valve

Technical Field

The utility model relates to the field of ball valves, in particular to a corrosion-resistant ball valve.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, along with the rapid development of scientific technology, the continuous improvement of the production process and the product structure of the ball valve, the ball valve is rapidly developed into a main valve class, the ball valve is widely applied to the industries of chemical industry, papermaking, water conservancy, electric power and the like, the ball valve is a valve class which is relatively wide in application, and the ball valve is good in wear resistance and sealing performance, long in service life, stable, reliable, wide in use, simple in structure, small in size and light in weight.

When a large ball valve is used, the pressure born by the ball valve is large, when the ball valve is opened or closed, a large amount of force is needed to rotate the handle, the labor intensity is increased, the use is inconvenient, and when the ball valve is used in an environment with complicated fluid components, solid impurities and corrosive substances in fluid can damage the ball valve if the solid impurities and the corrosive substances are deposited on the ball valve for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a corrosion-resistant ball valve which can be opened or closed easily.

The technical scheme of the utility model is as follows: a corrosion-resistant ball valve comprises a water inlet pipe, a water outlet pipe, a valve body, a ball body, a connecting pipe a, a connecting pipe b and a non-return mechanism;

the water inlet pipe and the water outlet pipe are respectively arranged at two sides of the valve body; the ball body is rotatably arranged in the valve body; a water trough is arranged on the ball body; the upper end of the valve body is provided with a driving mechanism for driving the ball body to rotate; the driving mechanism is a speed reduction driving device; a water drainage groove is arranged on the valve body; the drainage channel is positioned at the water channel; one end of the connecting pipe a is arranged on the valve body, and the connecting pipe a is positioned at the drainage groove; b, one end of the connecting pipe is arranged on the water outlet pipe; the other ends of the connecting pipe a and the connecting pipe b are respectively arranged at two sides of the non-return mechanism.

Preferably, the valve body is provided with a mounting frame; the driving mechanism comprises a hand wheel, a driving gear and a driven gear; the driven gear is connected with the ball body; the driving gear and the driven gear are both rotationally connected with the mounting rack; the driving gear is meshed with the driven gear; the hand wheel is arranged on the driving gear.

Preferably, the driven gear is an incomplete gear; the mounting rack is provided with a limiting column; the two limiting columns are connected with the driven gear in a sliding mode and are connected in a clamped mode.

Preferably, the non-return mechanism comprises a plugging frame, a plugging block, a sliding column, an elastic piece and a supporting plate; the connecting pipe a and the connecting pipe b are respectively arranged at two ends of the plugging frame; the supporting plate is arranged on the connecting pipe b; the sliding column is arranged on the supporting plate in a sliding manner; the blocking block is arranged on the sliding column, and the blocking block is abutted against the connecting pipe a and is in sealing connection with the connecting pipe a; the elastic component is arranged on the periphery of the sliding column, and two ends of the elastic component are respectively connected with the supporting plate and the plugging block.

Preferably, the connecting pipe a is provided with an air leakage hole and a one-way valve, and the one-way valve is positioned in the air leakage hole.

Preferably, the block is of hemispherical structure.

Preferably, a sealing ring is arranged in the valve body and is positioned at two sides of the water through groove.

Preferably, the valve body comprises a valve body part a and a valve body part b, and flanges are arranged on the valve body parts a and b.

Compared with the prior art, the utility model has the following beneficial technical effects:

according to the utility model, the driving mechanism drives the ball body to rotate, the speed reduction driving device can obtain higher torque, and can conveniently drive the ball body to rotate, so that whether the water through groove on the ball body is communicated with the water inlet pipe and the water outlet pipe or not is controlled, when the ball valve is communicated, water flow can enter the water outlet pipe through the valve body, when the water through groove is not connected with the water inlet pipe and the water outlet pipe, the ball valve is in a closed state, the water flow stays in the water inlet pipe, the water in the water outlet pipe is slowly discharged along with time, at the moment, the water accumulated in the water through groove can flow into the non-return mechanism through the connecting pipe a, and the water can be discharged after flowing into the water outlet pipe through the non-return mechanism, so that a large amount of water and impurities accumulated in the ball body can be prevented, and the corrosion resistance can be effectively realized.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

fig. 3 is a partially enlarged structural diagram of a portion a in fig. 2.

Reference numerals: 1. a water inlet pipe; 2. a water outlet pipe; 3. a valve body; 301. a water discharge tank; 4. a sphere; 401. a water trough; 5. a seal ring; 6. a drive mechanism; 601. a hand wheel; 602. a driving gear; 603. a driven gear; 7. a mounting frame; 8. a limiting column; 91. a, connecting a pipe; 92. b, connecting a pipe; 10. a backstop mechanism; 1001. a plugging frame; 1002. a plugging block; 1003. a sliding post; 1004. an elastic member; 1005. and a support plate.

Detailed Description

Example one

The utility model provides a corrosion-resistant ball valve which comprises a water inlet pipe 1, a water outlet pipe 2, a valve body 3, a ball body 4, an a connecting pipe 91, a b connecting pipe 92 and a non-return mechanism 10, wherein the ball body is provided with a ball valve body;

as shown in fig. 1-3, the valve body 3 includes a valve body portion a and a valve body portion b, and flanges are arranged on the valve body portions a and b; the valve body part a and the valve body part b are connected through a flange, and the ball body 4 can be conveniently installed through the valve body part a and the valve body part b. The water inlet pipe 1 and the water outlet pipe 2 are respectively arranged at two sides of the valve body 3; the ball 4 is rotatably arranged in the valve body 3; a water trough 401 is arranged on the ball 4; the valve body 3 is internally provided with a sealing ring 5, the sealing ring 5 is positioned at two sides of the water trough 401, and the sealing ring 5 can prevent the ball 4 from leaking water. The upper end of the valve body 3 is provided with a driving mechanism 6 for driving the ball 4 to rotate; the driving mechanism 6 is a speed reduction driving device; a water drainage groove 301 is arranged on the valve body 3; the drainage channel 301 is positioned at the water channel 401; one end of the a connection pipe 91 is provided on the valve body 3, and the a connection pipe 91 is located at the drain tank 301; b one end of the connecting pipe 92 is arranged on the water outlet pipe 2; the other ends of the a connection pipe 91 and the b connection pipe 92 are respectively disposed at both sides of the backstop mechanism 10.

In this embodiment, the driving mechanism 6 drives the ball 4 to rotate, the deceleration driving device can obtain a higher torque, and can conveniently drive the ball 4 to rotate, so as to control whether the water trough 401 on the ball 4 is communicated with the water inlet pipe 1 and the water outlet pipe 2, when the water trough is communicated, the ball valve is in an open state, and water flow can enter the water outlet pipe 2 through the valve body 3. When water trough 401 is not connected with inlet tube 1 and outlet pipe 2, the ball valve is in the closed condition, and rivers stop in inlet tube 1, and the water in the outlet pipe 2 slowly discharges along with time, and the water of long-pending staying in water trough 401 can flow into non-return mechanism 10 through a connecting pipe 91 this moment in, in flowing into outlet pipe 2 through non-return mechanism 10, discharges to can prevent that spheroid 4 is interior to be long-pending to stay a large amount of moisture and impurity, can effectually accomplish to prevent corrosion.

Example two

As shown in fig. 1-2, compared with the first embodiment, the corrosion-resistant ball valve of the present invention has a mounting frame 7 on the valve body 3; the driving mechanism 6 comprises a hand wheel 601, a driving gear 602 and a driven gear 603; the driven gear 603 is connected with the ball 4; the driving gear 602 and the driven gear 603 are both rotatably connected with the mounting rack 7; the driving gear 602 is meshed with the driven gear 603; the hand wheel 601 is disposed on the drive gear 602. The driven gear 603 is an incomplete gear; the mounting rack 7 is provided with a limiting column 8; spacing post 8 is provided with two, and two spacing posts 8 all with driven gear 603 sliding connection, and the joint, spacing post 8 can carry on spacingly to driven gear 603, make it only can rotate 90 degrees.

In the embodiment, when the ball valve needs to be opened or closed, the hand wheel 601 is rotated, the hand wheel 601 drives the driving gear 602 to rotate, the driving gear 602 drives the driven gear 603 to rotate, the driven gear 603 drives the ball 4 to rotate, and after the water trough 401 of the ball 4 is communicated with the water inlet pipe 1 and the water outlet pipe 2, the water can be drained in a communicated manner; when the ball 4 rotates 90 degrees, the water trough 401 is in a non-communication state with the water inlet pipe 1 and the water outlet pipe 2, so that the water trough is blocked and the water flow is prevented.

EXAMPLE III

As shown in fig. 1 and fig. 3, compared with the first or second embodiment, the anti-corrosion ball valve according to the present invention includes a blocking frame 1001, a blocking block 1002, a sliding column 1003, an elastic member 1004, and a supporting plate 1005; the a connecting pipe 91 and the b connecting pipe 92 are respectively arranged at two ends of the plugging frame 1001; the support plate 1005 is disposed on the b-connection pipe 92; the sliding column 1003 is arranged on the supporting plate 1005 in a sliding mode; the plugging block 1002 is of a hemispherical structure, and can be plugged and sealed better. The blocking block 1002 is arranged on the sliding column 1003, and the blocking block 1002 is abutted against the a connecting pipe 91 and is in sealing connection with the a connecting pipe; an elastic member 1004 is disposed on the outer peripheral side of the sliding column 1003, and both ends of the elastic member 1004 are connected to the support plate 1005 and the block 1002, respectively. The a connecting pipe 91 is provided with an air release hole and a one-way valve, the one-way valve is positioned in the air release hole, and the one-way valve and the air release hole can balance the air pressure in the a connecting pipe 91 with the external air pressure, so that the water accumulated in the water trough 401 can be discharged.

In this embodiment, the elastic element 1004 pushes the blocking block 1002 to abut against the a connection pipe 91, so as to prevent the water in the water outlet pipe 2 from pouring into the a connection pipe 91; the water in the a connecting pipe 91 pushes the blocking block 1002 to move, so that a gap is formed between the blocking block 1002 and the a connecting pipe 91, water can flow into the blocking frame 1001 and the b connecting pipe 92 and is discharged when flowing into the water outlet pipe 2, accumulated water in the ball body 4 can be discharged, and the anticorrosion effect can be achieved.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A corrosion-resistant ball valve is characterized by comprising a water inlet pipe (1), a water outlet pipe (2), a valve body (3), a ball body (4), an a connecting pipe (91), a b connecting pipe (92) and a non-return mechanism (10);

the water inlet pipe (1) and the water outlet pipe (2) are respectively arranged at two sides of the valve body (3); the ball body (4) is rotatably arranged in the valve body (3); a water trough (401) is arranged on the ball body (4); the upper end of the valve body (3) is provided with a driving mechanism (6) for driving the ball body (4) to rotate; the driving mechanism (6) is a speed reduction driving device; a water drainage groove (301) is arranged on the valve body (3); the drainage tank (301) is positioned at the water passing tank (401); one end of the a connecting pipe (91) is arranged on the valve body (3), and the a connecting pipe (91) is positioned at the drainage groove (301); b, one end of the connecting pipe (92) is arranged on the water outlet pipe (2); the other ends of the a connecting pipe (91) and the b connecting pipe (92) are respectively arranged at two sides of the backstop mechanism (10).

2. A corrosion resistant ball valve according to claim 1, wherein the valve body (3) is provided with a mounting bracket (7); the driving mechanism (6) comprises a hand wheel (601), a driving gear (602) and a driven gear (603); the driven gear (603) is connected with the ball body (4); the driving gear (602) and the driven gear (603) are rotatably connected with the mounting rack (7); the driving gear (602) is meshed with the driven gear (603); the hand wheel (601) is arranged on the driving gear (602).

3. A corrosion resistant ball valve according to claim 2, wherein the driven gear (603) is an incomplete gear; a limiting column (8) is arranged on the mounting rack (7); the two limiting columns (8) are arranged, and the two limiting columns (8) are connected with the driven gear (603) in a sliding mode and clamped.

4. A corrosion resistant ball valve according to claim 1, wherein the backstop mechanism (10) comprises a blocking frame (1001), a blocking block (1002), a sliding column (1003), an elastic member (1004) and a support plate (1005); the a connecting pipe (91) and the b connecting pipe (92) are respectively arranged at two ends of the plugging frame (1001); a support plate (1005) is provided on the b-connection pipe (92); the sliding column (1003) is arranged on the supporting plate (1005) in a sliding mode; the blocking block (1002) is arranged on the sliding column (1003), and the blocking block (1002) is abutted against the a connecting pipe (91) and is in sealing connection with the a connecting pipe; the elastic piece (1004) is arranged on the outer periphery side of the sliding column (1003), and two ends of the elastic piece (1004) are respectively connected with the supporting plate (1005) and the blocking block (1002).

5. A corrosion resistant ball valve according to claim 4, wherein the a-connection pipe (91) is provided with a relief hole and a check valve, and the check valve is located in the relief hole.

6. A corrosion resistant ball valve in accordance with claim 4, wherein the block (1002) is of hemispherical configuration.

7. A corrosion resistant ball valve according to claim 1, wherein sealing rings (5) are provided in the valve body (3), the sealing rings (5) being located on both sides of the water passage channel (401).

8. A corrosion resistant ball valve in accordance with claim 1, wherein the valve body (3) comprises a body portion a and a body portion b, the body portions a and b having flanges.