CN217927245U

CN217927245U - Bidirectional sealing type ball valve device

Info

Publication number: CN217927245U
Application number: CN202221167009.8U
Authority: CN
Inventors: 陈慧
Original assignee: Yancheng Chengming Special Steel Co ltd
Current assignee: Yancheng Chengming Special Steel Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-29
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a two-way sealed ball valve device, including connector and connecting tube, the externally mounted of connecting tube has fixed case, the externally mounted of fixed case has adjusting device, a plurality of square type grooves have been seted up to adjusting device's inside, the internally mounted in square type groove has the buckle, adjusting device's outside activity is provided with the head rod, the outside activity of head rod is provided with the movable rod, the movable rod is kept away from the one end of head rod and is installed the circle template, the outside activity of movable rod is provided with the valve rod, the externally mounted of valve rod has the connecting block, the externally mounted of connecting block has the lug, the head rod is kept away from the one end of movable rod and is installed the second spheroid, the utility model discloses a rotation valve rod drives the second spheroid and rotates, drives first spheroid through gear structure simultaneously and rotates, the sealing strip is all installed with first spheroid outside to the second spheroid, first spheroid and second spheroid double seal, same regulation, convenient to use, it is better to make the sealing effect of ball valve rod device.

Description

Bidirectional sealing type ball valve device

Technical Field

The utility model relates to a ball valve device technical field especially relates to a two-way sealed ball valve device.

Background

The ball valve is driven by valve rod and can be used for regulating and controlling fluid, and can be used for cutting off, distributing and changing flow direction of medium, and can be tightly closed only by using 90 deg. rotation operation and small rotation torque. The ball valve is most suitable for being used as a switch and a stop valve, and the V-shaped ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy.

Traditional ball valve is at the in-process of work, because the long-time use of valve rod can cause the valve rod not hard up, is difficult to fix to influence the use of ball valve, and the spheroid can produce the friction when the cavity of ball valve rotates, frictional in-process will produce the loss, long-time work back, the spheroid also can go out water under the condition of closing, sealed respond well, consequently need a two-way sealed ball valve device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the valve rod is easy to loose and the internal sealing effect is poor in the prior art, and providing a bidirectional sealing ball valve device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a two-way sealed ball valve device, includes connector and connecting tube, the externally mounted of connecting tube has fixed case, the externally mounted of fixed case has adjusting device, a plurality of square grooves have been seted up to adjusting device's inside, the internally mounted in square groove has the buckle, adjusting device's outside activity is provided with the head rod, the outside activity of head rod is provided with the movable rod, the movable rod is kept away from the circular plate is installed to the one end of head rod, the outside activity of movable rod is provided with the valve rod, the externally mounted of valve rod has the connecting block, the externally mounted of connecting block has the lug, the head rod is kept away from the second spheroid is installed to the one end of movable rod, the second spheroid is kept away from the second connecting rod is installed to the one end of head rod, the second connecting rod is kept away from first bevel gear is installed to the one end of second spheroid, drives the second spheroid through rotating the valve rod and rotates, drives the first spheroid through gear structure simultaneously and rotates, and the sealing strip is all installed to the second spheroid and first spheroid, and first spheroid and second spheroid double sealing with second spheroid, same valve rod regulation, convenient to use makes ball valve device sealed better effect.

The above technical solution further comprises:

the inside mounting of fixed case has the fixed plate, the outside activity of fixed plate is provided with the fourth connecting rod, the externally mounted of fourth connecting rod has two second bevel gears.

The connecting pipeline is characterized in that a third connecting rod is movably arranged outside the connecting pipeline, a third bevel gear is mounted outside the third connecting rod, and a first ball body is mounted at one end, far away from the third bevel gear, of the third connecting rod.

The sealing strips are arranged outside the first sphere and the second sphere, so that the first sphere and the second sphere are attached to the inner wall of the connecting pipeline more tightly.

The third bevel gear is meshed with the second bevel gear, and the first bevel gear is meshed with the second bevel gear.

The lug is clamped with the buckle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, when finishing adjusting the internal ball, because valve rod and head rod rotate to be connected, press the valve rod towards adjusting device's direction, go in going to the buckle of square inslot portion with the lug card through the connecting block to carry out the fixed action to the valve rod, prevent that the valve rod from causing in long-time working process not hard up, need not too much operation, convenient to use.

2. The utility model discloses in, when needs seal the ball valve device, the rotation valve rod, the valve rod drives the head rod and rotates, drive the second spheroid in the head rod pivoted and rotate, drive first spheroid through gear structure and rotate in the second spheroid pivoted, the sealing strip is all installed with first spheroid outside to the second spheroid, double sealing, same valve rod is adjusted, and convenient to use, it is better to make the sealed effect of ball valve device, also prevent the long-time work of a certain spheroid simultaneously, the too big damage that leads to of frictional force, thereby influence ball valve device's use.

Drawings

Fig. 1 is a schematic perspective view of a bidirectional sealed ball valve device according to the present invention;

fig. 2 is a schematic view of a first overall structure of a bidirectional sealing ball valve device provided by the present invention;

fig. 3 is a second schematic overall structure diagram of a bidirectional sealed ball valve device according to the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a connecting port; 2. connecting a pipeline; 3. an adjustment device; 4. a first connecting rod; 5. A movable rod; 6. a circular plate; 7. a valve stem; 8. connecting blocks; 9. a bump; 10. a square groove; 11. buckling; 12. a second connecting rod; 13. a first bevel gear; 14. a second bevel gear; 15. a third bevel gear; 16. a third connecting rod; 17. a first sphere; 18. a fixed box; 19. a second sphere; 20. a fixing plate; 21. a fourth connecting rod; 22. a sealing strip.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a two-way sealed ball valve device, including connector 1 and connecting tube 2, the externally mounted of connecting tube 2 has fixed case 18, the externally mounted of fixed case 18 has adjusting device 3, a plurality of square groove 10 have been seted up to adjusting device 3's inside, the internally mounted of square groove 10 has buckle 11, adjusting device 3's outside activity is provided with head rod 4, the outside activity of head rod 4 is provided with movable rod 5, movable rod 5 keeps away from the one end of head rod 4 and installs circular plate 6, the outside activity of movable rod 5 is provided with valve rod 7, the externally mounted of valve rod 7 has connecting block 8, the externally mounted of connecting block 8 has lug 9.

In this embodiment, after the inner ball is adjusted, the first connecting rod 4 is rotatably connected to the valve rod 7 through the movable rod 5 movably disposed outside the first connecting rod 4, the circular plate 6 mounted at the end of the movable rod 5 fixes the movable rod 5, at this time, the valve rod 7 is pressed toward the adjusting device 3, the protrusion 9 is clamped into the buckle 11 mounted inside the square groove 10 through the connecting block 8, and since the valve rod 7 is not parallel to the adjusting device 3, an inclination angle is disposed between the connecting block 8 and the protrusion 9, so that the protrusion 9 is conveniently clamped into the square groove 10, thereby fixing the valve rod and preventing the valve rod from loosening during long-time operation and affecting the use of the ball valve device.

Example two

As shown in fig. 1, based on the first embodiment, a second sphere 19 is installed at one end of the first connecting rod 4 away from the movable rod 5, a second connecting rod 12 is installed at one end of the second sphere 19 away from the first connecting rod 4, a first bevel gear 13 is installed at one end of the second connecting rod 12 away from the second sphere 19, a fixing plate 20 is installed inside the fixing box 18, a third bevel gear 15 is movably installed outside the fixing plate 20, two second bevel gears 14 are installed outside the third bevel gear 15, a fourth connecting rod 21 is movably installed outside the connecting pipe 2, a third connecting rod 16 is installed outside the fourth connecting rod 21, a first sphere 17 is installed at one end of the fourth connecting rod 21 away from the third connecting rod 16, and a sealing strip 22 is installed outside the first sphere 17 and the second sphere 19.

In this embodiment, when the ball valve device needs to be sealed, the valve rod 7 is rotated, the valve rod 7 drives the first connecting rod 4 to rotate, the first connecting rod 4 drives the second sphere 19 to rotate while rotating, the second sphere 19 drives the second connecting rod 12 to rotate while rotating, the first bevel gear 13 mounted outside the second connecting rod 12 is meshed with the second bevel gear 14, thereby driving the fourth connecting rod 21 to rotate, the second bevel gear 14 is meshed with the third bevel gear 15, driving the third connecting rod 16 to rotate, the third connecting rod 16 drives the first sphere 17 to rotate while rotating, the first sphere 17 and the second sphere 19 are externally provided with the sealing strip 22, the first sphere 17 makes the second sphere 19 tightly fit with the inside of the connecting pipeline 2, thereby improving the sealing effect, meanwhile, the first sphere 17 and the second sphere 19 are doubly sealed to the ball valve device, the same valve rod is adjusted, the ball valve device is convenient to use, thereby the sealing effect of the ball valve device is better, meanwhile, a certain long-time work is also prevented, the damage is caused by excessive friction force, thereby the use of the ball valve device is affected.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The bidirectional sealed ball valve device comprises a connecting port (1) and a connecting pipeline (2), and is characterized in that a fixed box (18) is mounted outside the connecting pipeline (2), an adjusting device (3) is mounted outside the fixed box (18), a plurality of square grooves (10) are formed in the adjusting device (3), buckles (11) are mounted inside the square grooves (10), a first connecting rod (4) is movably arranged outside the adjusting device (3), a movable rod (5) is movably arranged outside the first connecting rod (4), a round plate (6) is mounted at one end, far away from the first connecting rod (4), of the movable rod (5), a valve rod (7) is movably arranged outside the movable rod (5), a connecting block (8) is mounted outside the valve rod (7), and a convex block (9) is mounted outside the connecting block (8);

a second sphere (19) is installed at one end, far away from the movable rod (5), of the first connecting rod (4), a second connecting rod (12) is installed at one end, far away from the first connecting rod (4), of the second sphere (19), and a first bevel gear (13) is installed at one end, far away from the second sphere (19), of the second connecting rod (12).

2. A two-way sealed ball valve device according to claim 1, wherein a fixed plate (20) is mounted inside the fixed box (18), a fourth connecting rod (21) is movably arranged outside the fixed plate (20), and two second bevel gears (14) are mounted outside the fourth connecting rod (21).

3. A bidirectional sealing type ball valve device according to claim 2, characterized in that a third connecting rod (16) is movably arranged outside the connecting pipe (2), a third bevel gear (15) is arranged outside the third connecting rod (16), and a first ball (17) is arranged at one end of the third connecting rod (16) far away from the third bevel gear (15).

4. A two-way sealed ball valve apparatus according to claim 3, wherein seals (22) are mounted on the exterior of said first ball (17) and said second ball (19).

5. A two-way sealed ball valve apparatus according to claim 3, wherein said third bevel gear (15) is engaged with said second bevel gear (14), and said first bevel gear (13) is engaged with said second bevel gear (14).

6. A device according to claim 1, wherein said projection (9) is snap-fitted to said catch (11).