CN221347967U - Novel half ball valve - Google Patents

Abstract

The utility model relates to the technical field of valves, in particular to a novel half ball valve which comprises a valve body and a box body, wherein a valve seat is arranged on one side of the valve body close to an inlet, a valve clack is arranged on the inner side of the valve seat, an upper shaft is arranged at the top of the valve body, a connecting seat is arranged at the upper part of the valve body, a box cover is arranged at the top of the box body, and a worm wheel is arranged at the top of the upper shaft. In the novel half ball valve, the sealing gasket arranged between the valve seat and the side edge of the valve body increases the sealing performance of the valve seat, and effectively prevents leakage of fluid. The setting of clamping ring can be adjusted according to actual need to the setting of round regulation clamping ring to reach better sealed effect, go up axle sleeve and lower axle sleeve, increased the inside wearability and the lubricity of valve body, also prevented fluidic seepage and pollution simultaneously. The packing thrust pad and the packing area are arranged, so that leakage of fluid is effectively prevented, the sealing performance of the valve body is improved, and all parts of the valve are convenient to assemble and disassemble and convenient to maintain in the later period.

Description

Novel half ball valve

Technical Field

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

Background

Valves are an important control device that is widely used in a variety of fluid lines, where half ball valves are of great interest because of their unique construction and performance. Despite the wide variety of hemispherical valves currently on the market, new hemispherical valves are continually being explored and improved.

In the use of valve, cause the leakproofness to descend very easily, the leakproofness between valve shaft and the valve body descends and can cause the medium to reveal to influence the normal use of valve, after the valve damages, the dismantlement and the installation of valve are also comparatively inconvenient, cause the maintenance comparatively difficult.

Disclosure of utility model

The utility model aims to provide a novel half ball valve to solve the problems that in the use of a valve, the tightness is easy to be reduced, the tightness between a valve shaft and a valve body is reduced to cause medium leakage, the normal use of the valve is affected, and after the valve is damaged, the valve is inconvenient to detach and install, so that maintenance is difficult.

In order to achieve the above purpose, the utility model provides a novel half ball valve, which comprises a valve body and a box body, wherein one side of the valve body is close to an inlet, a valve seat is arranged on the inner side of the valve seat, a valve clack is arranged on the top of the valve body, an upper shaft is arranged on the upper portion of the valve body, a connecting seat is arranged on the top of the box body, a box cover is arranged on the top of the upper shaft, a worm wheel is arranged on the top of the upper shaft, a worm is arranged on one side of the worm wheel, a hand wheel is arranged at the end head of the worm, and a lower shaft is arranged at the bottom of the valve body.

Preferably, a first gasket is installed between the valve seat and the side of the valve body.

Preferably, a circle of adjusting pressing ring is arranged on the outer side of the valve seat.

Preferably, the bottom end of the upper shaft is connected with the valve clack through a first connecting key, and the top of the upper shaft is connected with the worm wheel through a second connecting key.

Preferably, a box body is mounted on the top of the connecting seat.

Preferably, an upper shaft sleeve is arranged between the inner wall of the upper part of the valve body and the outer wall of the upper shaft, a packing thrust pad is arranged at the top of the upper shaft sleeve, a packing area is arranged at the upper part of the packing thrust pad, and a packing gland is arranged at the upper part of the packing area.

Preferably, a lower shaft sleeve is arranged between the inner wall of the lower part of the valve body and the outer wall of the lower shaft, a bottom cover is arranged at the bottom of the lower shaft sleeve, and a second sealing gasket is arranged between the bottom cover and the valve body.

Preferably, the connecting seat is arranged at the top of the valve body through a first hexagonal bolt, a nut is arranged at the end head of the first hexagonal bolt, a first elastic pad is arranged at the inner side of the nut, the packing gland is arranged at the top of the valve body through a second hexagonal bolt, the box body is fixed at the top of the connecting seat through a third hexagonal bolt, the bottom cover is arranged at the bottom of the valve body through a fourth hexagonal bolt, and a second elastic pad is arranged at the inner side of the end head of the fourth hexagonal bolt.

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

In the novel half ball valve, the sealing gasket arranged between the valve seat and the side edge of the valve body increases the sealing performance of the valve seat, and effectively prevents leakage of fluid. The setting of clamping ring can be adjusted according to actual need to the setting of round regulation clamping ring to reach better sealed effect, go up axle sleeve and lower axle sleeve, increased the inside wearability and the lubricity of valve body, also prevented fluidic seepage and pollution simultaneously. The packing thrust pad and the packing area are arranged, so that leakage of fluid is effectively prevented, the sealing performance of the valve body is improved, and all parts of the valve are convenient to assemble and disassemble and convenient to maintain in the later period.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic side view of the present utility model.

The meaning of each reference sign in the figure is:

1. A valve body; 2. a first gasket; 3. a valve seat; 4. adjusting the pressing ring; 5. a valve flap; 6. a first connection key; 7. an upper shaft; 8. an upper shaft sleeve; 9. a packing thrust pad; 10. a filler zone; 11. a first hexagonal bolt; 12. a packing gland; 13. a first spring pad; 14. a nut; 15. a second hexagonal bolt; 16. a connecting seat; 17. a third hexagonal bolt; 18. a second connection key; 19. a fourth hexagonal bolt; 20. a second spring pad; 21. a bottom cover; 22. a second gasket; 23. a lower shaft sleeve; 24. a lower shaft; 25. a hand wheel; 26. a case; 27. a worm wheel; 28. a worm; 29. a case cover.

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.

The utility model provides a novel half ball valve, which is shown in fig. 1-2, and comprises a valve body 1 and a box 26, wherein a valve seat 3 is arranged at one side of the valve body 1 near an inlet, a valve clack 5 is arranged at the inner side of the valve seat 3, an upper shaft 7 is arranged at the top of the valve body 1, a connecting seat 16 is arranged at the upper part of the valve body 1, a box cover 29 is arranged at the top of the box 26, a worm wheel 27 is arranged at the top of the upper shaft 7, a worm 28 is arranged at one side of the worm wheel 27, a hand wheel 25 is arranged at the end of the worm 28, the arrangement of the hand wheel 25 facilitates the operation and adjustment of the valve body, and a lower shaft 24 is arranged at the bottom of the valve body 1, so that the valve body rotates stably with high operation precision, and the flow and the direction of fluid are effectively controlled.

In this embodiment, the first sealing gasket 2 is installed between the valve seat 3 and the side edge of the valve body 1, so that the sealing performance of the valve seat can be effectively improved, and the possibility of fluid leakage can be reduced.

Specifically, a circle of adjusting pressing ring 4 is arranged on the outer side of the valve seat 3.

Further, the bottom end of the upper shaft 7 is connected with the valve clack 5 through the first connecting key 6, and the top of the upper shaft 7 is connected with the worm wheel 27 through the second connecting key 18.

Further, a box 26 is mounted on top of the connection base 16.

Further, be provided with the axle sleeve 8 between the upper portion inner wall of valve body 1 and the outer wall of upper shaft 7, the top of upper shaft sleeve 8 is provided with packing thrust pad 9, and the upper portion of packing thrust pad 9 is provided with packing district 10, and the upper portion of packing district 10 is provided with packing gland 12, prevents effectively that the seepage of fluid and pollution, has also made things convenient for lubrication and the maintenance of counter shaft simultaneously.

Further, a lower shaft sleeve 23 is arranged between the inner wall of the lower part of the valve body 1 and the outer wall of the lower shaft 24, a bottom cover 21 is arranged at the bottom of the lower shaft sleeve 23, and a second sealing gasket 22 is arranged between the bottom cover 21 and the valve body 1, so that the sealing performance of the valve seat can be effectively improved, and the possibility of fluid leakage is reduced.

Further, the connecting seat 16 is installed at the top of the valve body 1 through the first hexagonal bolt 11, the nut 14 is installed at the end of the first hexagonal bolt 11, the first elastic pad 13 is installed at the inner side of the nut 14, the packing gland 12 is installed at the top of the valve body 1 through the second hexagonal bolt 15, the box 26 is fixed at the top of the connecting seat 16 through the third hexagonal bolt 17, the bottom cover 21 is installed at the bottom of the valve body 1 through the fourth hexagonal bolt 19, the second elastic pad 20 is installed at the inner side of the end of the fourth hexagonal bolt 19, the stability and the reliability of connection are improved, and the fastening and the maintenance of the bolts are facilitated.

When the novel half ball valve is used, firstly, fluid enters from an inlet, and enters the valve body 1 through the inner side of the valve seat 3 and the control of the valve clack 5. Driven by the upper shaft 7, the worm wheel 27 starts to rotate and the worm 28 rotates. The arrangement of the hand wheel 25 allows for easy manipulation and adjustment of the worm gear. The bottom of the upper shaft 7 is connected with the valve clack 4 through the first connecting key 6, so that the valve clack 4 can be lifted and lowered along with the rotation of the upper shaft 7, and the flow and the direction of fluid are controlled. The packing region 10 is provided to effectively prevent leakage and contamination of fluid, and simultaneously, the rotation of the shaft is more stable under the lubrication of the upper and lower shaft sleeves 8 and 23. The box 26 is installed on the top of the connecting seat 16, so that the stability of the valve body can be improved, and the installation and maintenance of the valve body are facilitated. The fastening of the first, second, third and fourth hexagonal bolts 11, 15, 17 and 19 and the mounting of the first and second spring washers 13 and 20 increase the stability and reliability of the connection. The whole valve body 1 can effectively prevent fluid leakage under the action of the first sealing gasket 2 and the second sealing gasket 22, and the sealing performance of the valve body is improved. The position of the valve clack 5 can be controlled more accurately through the adjustment of the adjusting pressing ring 4, and the accurate control of the fluid flow is realized. The whole novel half ball valve is simple in design structure, easy to manufacture and install and capable of adapting to various different fluid media and working conditions.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a novel half ball valve, includes valve body (1) and box (26), its characterized in that: valve disk seat (3) are installed near import department to one side of valve body (1), valve clack (5) are installed to the inboard of valve disk seat (3), upper shaft (7) are installed at the top of valve body (1), connecting seat (16) are installed on the upper portion of valve body (1), case lid (29) are installed at the top of box (26), worm wheel (27) are installed at the top of upper shaft (7), one side of worm wheel (27) is provided with worm (28), hand wheel (25) are installed to the end of worm (28), lower shaft (24) are installed to the bottom of valve body (1).

2. The novel half ball valve according to claim 1, wherein: a first sealing gasket (2) is arranged between the valve seat (3) and the side edge of the valve body (1).

3. The novel half ball valve according to claim 1, wherein: the outside of the valve seat (3) is provided with a circle of adjusting pressing ring (4).

4. A novel half ball valve according to claim 3, wherein: the bottom of the upper shaft (7) is connected with the valve clack (5) through a first connecting key (6), and the top of the upper shaft (7) is connected with the worm wheel (27) through a second connecting key (18).

5. The novel half ball valve according to claim 1, wherein: the top of the connecting seat (16) is provided with a box body (26).

6. The novel half ball valve according to claim 5, wherein: an upper shaft sleeve (8) is arranged between the inner wall of the upper part of the valve body (1) and the outer wall of the upper shaft (7), a packing thrust pad (9) is arranged at the top of the upper shaft sleeve (8), a packing region (10) is arranged on the upper part of the packing thrust pad (9), and a packing gland (12) is arranged on the upper part of the packing region (10).

7. The novel half ball valve according to claim 6, wherein: a lower shaft sleeve (23) is arranged between the inner wall of the lower part of the valve body (1) and the outer wall of the lower shaft (24), a bottom cover (21) is arranged at the bottom of the lower shaft sleeve (23), and a second sealing gasket (22) is arranged between the bottom cover (21) and the valve body (1).

8. The novel half ball valve according to claim 7, wherein: the connecting seat (16) is arranged at the top of the valve body (1) through a first hexagonal bolt (11), a nut (14) is arranged at the end head of the first hexagonal bolt (11), a first elastic pad (13) is arranged at the inner side of the nut (14), the packing gland (12) is arranged at the top of the valve body (1) through a second hexagonal bolt (15), the box body (26) is fixed at the top of the connecting seat (16) through a third hexagonal bolt (17), the bottom cover (21) is arranged at the bottom of the valve body (1) through a fourth hexagonal bolt (19), and a second elastic pad (20) is arranged at the inner side of the end head of the fourth hexagonal bolt (19).