CN219366864U

CN219366864U - Novel anti-lock wear-resistant ball valve

Info

Publication number: CN219366864U
Application number: CN202320091047.8U
Authority: CN
Inventors: 陈家明; 周业强; 柴家臻
Original assignee: DALIAN HENGLI MEASURE & CONTROL INSTRUMENT ENGINEERING CO LTD
Current assignee: DALIAN HENGLI MEASURE & CONTROL INSTRUMENT ENGINEERING CO LTD
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-07-18
Anticipated expiration: 2033-01-31

Abstract

The utility model relates to the technical field of valves and discloses a novel anti-lock wear-resistant ball valve which comprises a valve body, wherein one side of the valve body is fixedly connected to one side of a valve cover, the middle part of the inner wall of the valve body is rotationally connected to the outer side of a ball core, one side of the valve cover is fixedly connected with a main valve seat, one side of the inner wall of the main valve seat is rotationally connected to one side of the outer side of the ball core, the top of the ball core is fixedly connected to the bottom of a valve rod, the top of the valve body is fixedly connected with an upper valve cover, the top of the upper valve cover is fixedly connected to the bottom of a packing gland, and the packing gland and the inner wall of the upper valve cover are rotationally connected to the outer side of the valve rod. According to the utility model, the outer circle size of the joint of the ball core and the valve rod is reduced, so that the large-particle medium can be prevented from being blocked, and the surfaces of the ball body, the main valve seat and the auxiliary valve seat are coated with hard alloy by spraying, so that the wear resistance of the ball body, the main valve seat and the auxiliary valve seat can be increased by utilizing the material characteristics of the hard alloy.

Description

Novel anti-lock wear-resistant ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a novel anti-lock wear-resistant ball valve.

Background

The valve is applied to various devices such as petroleum, chemical industry, electric power, steel, natural gas, coal chemical industry and the like, and particularly, the valve in a device which uses a large amount of solid particles and multi-phase complex media in the media is extremely easy to jam, block and lock, and even can not be opened and closed and operated.

Especially, aiming at the condition that the medium contains solid particles such as coal powder, coke particles, lime powder and the like, the medium in the working condition often shows high hardness, high viscosity and high flow velocity, and the ball body and the valve seat are seriously washed, so that the valve is locked, the ball core and the valve seat are washed and damaged, the ball core and the valve seat surface are bonded with metal, worn and corroded and the like, and the valve cannot work normally.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a novel anti-lock wear-resistant ball valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel anti-lock wear-resisting ball valve, includes the valve body, one side fixed connection of valve body is in one side of valve gap, the middle part of valve body inner wall rotates the outside of connecting at the ball core, one side fixedly connected with main valve seat of valve gap, one side inner wall of main valve seat rotates one side of connecting in the ball core outside, the top fixed connection of ball core is in the bottom of valve rod, the top fixedly connected with upper valve cover of valve body, the top fixed connection of upper valve cover is in the bottom of gland, the outside at the valve rod is all rotated to the inner wall of gland and upper valve cover, the ball core is doing the reduction with the junction excircle size of valve rod and is handled, one side fixedly connected with auxiliary valve seat of valve body inner wall, just the surface of ball core, main valve seat, auxiliary valve seat all is sprayed and is had the carbide.

As a further description of the above technical solution:

one side of the valve cover is provided with a sealing gasket, and one side of the sealing gasket is arranged on one side of the valve body.

As a further description of the above technical solution:

the middle part of the upper valve cover is provided with a stuffing box, the bottom of the stuffing box is fixedly connected with a stuffing press sleeve, and the outer side of the stuffing press sleeve is slidably connected with the inner wall of the stuffing box.

As a further description of the above technical solution:

the bottom fixedly connected with uide bushing of upper valve gap inner wall, the outside of uide bushing rotates to be connected in the outside of valve rod, the bottom fixedly connected with rotation pad of upper valve gap, the bottom setting of rotation pad is in the middle part of valve rod.

As a further description of the above technical solution:

one side fixedly connected with trapezoidal graphite ring of valve body inner wall, one side of trapezoidal graphite ring is provided with the ring clamp plate, one side of ring clamp plate is provided with the dish spring, just the ring clamp plate with the dish spring all sets up in one side of vice disk seat outer wall, the opposite side fixedly connected with sealing washer of vice disk seat's outer wall, the top of sealing washer sets up top surface one side of valve body inner wall.

As a further description of the above technical solution:

the valve cover is provided with graphite pads on the side close to the main valve seat, a valve seat pressing plate is fixedly connected to the right side of the main valve seat, and a fastening screw is connected to the middle of the valve seat pressing plate in a threaded mode.

The utility model has the following beneficial effects:

1. according to the utility model, the outer circle size of the joint of the ball core and the valve rod is reduced, so that the large-particle medium can be prevented from being blocked, and the surfaces of the ball body, the main valve seat and the auxiliary valve seat are coated with hard alloy by spraying, so that the wear resistance of the ball body, the main valve seat and the auxiliary valve seat can be increased by utilizing the material characteristics of the hard alloy.

Drawings

FIG. 1 is a front cross-sectional view of a novel anti-lock wear-resistant ball valve provided by the utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view of FIG. 1 at C

Fig. 5 is a schematic diagram of a ball core structure of a novel anti-lock wear-resistant ball valve provided by the utility model.

Legend description:

1. a valve body; 2. a valve cover; 3. a core; 4. a main valve seat; 5. a valve stem; 6. a sealing gasket; 7. an upper valve cover; 8. a stuffing box; 9. packing pressing sleeve; 10. a packing gland; 11. a guide sleeve; 12. a rotating pad; 13. a sub-valve seat; 14. a disc spring; 15. a ring pressing plate; 16. a trapezoidal graphite ring; 17. a seal ring; 18. a graphite pad; 19. a valve seat pressing plate; 20. and (5) fastening a screw.

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.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a novel anti-lock wear-resisting ball valve, including valve body 1, one side fixed connection of valve body 1 is in one side of valve gap 2, the middle part rotation connection of valve body 1 inner wall is in the outside of ball core 3, one side fixedly connected with main valve seat 4 of valve gap 2, one side inner wall rotation connection of main valve seat 4 is in one side of ball core 3 outside, the top fixed connection of ball core 3 is in the bottom of valve rod 5, the top fixedly connected with upper valve gap 7 of valve body 1, the top fixed connection of upper valve gap 7 is in the bottom of gland 10, the outside at valve rod 5 is all rotated to the inner wall of gland 10 and upper valve gap 7, ball core 3 is doing the reduction processing with the junction excircle size of valve rod 5, one side fixedly connected with vice disk seat 13 of valve body 1 inner wall, and ball core 3, main valve seat 4, vice disk seat 13's surface all spraying has the carbide, can rotate ball core 3 through rotatory valve rod 5, the passageway of steerable this moment, and when using, through making ball core 3 and the excircle size of valve rod 5 junction do the reduction processing, can prevent large granule medium die, through with spheroid, main valve seat 4, the outer disk seat 13, the surface of vice disk seat 13 can be rotated the ball core 3 and the performance can be changed at the inside the ball 3 because of the high temperature is changed, the thermal expansion phenomenon is avoided in the design, the ball has the ball 3, the high temperature has the wear resistance performance and the ball is easy to change, and the ball has high temperature, and can be expanded.

One side of the valve cover 2 is provided with a sealing gasket 6, one side of the sealing gasket 6 is arranged on one side of the valve body 1, the middle part of the upper valve cover 7 is provided with a stuffing box 8, the bottom of the stuffing gland 10 is fixedly connected with a stuffing pressing sleeve 9, the outer side of the stuffing pressing sleeve 9 is slidably connected with the inner wall of the stuffing box 8, the bottom of the inner wall of the upper valve cover 7 is fixedly connected with a guide sleeve 11, the outer side of the guide sleeve 11 is rotationally connected with the outer side of the valve rod 5, the bottom of the upper valve cover 7 is fixedly connected with a rotating gasket 12, the bottom of the rotating gasket 12 is arranged in the middle part of the valve rod 5, one side of the inner wall of the valve body 1 is fixedly connected with a trapezoid graphite ring 16, one side of the trapezoid graphite ring 16 is provided with a ring pressing plate 15, one side of the ring pressing plate 15 is provided with a disc spring 14, the ring pressing plate 15 and the disc spring 14 are both arranged on one side of the outer wall of the auxiliary valve seat 13, the other side of the outer wall of the auxiliary valve seat 13 is fixedly connected with a sealing ring 17, the top of sealing washer 17 sets up in the top surface one side of valve body 1 inner wall, the nearly side of valve gap 2 and main valve seat 4 is provided with graphite pad 18, the right side fixedly connected with disk seat clamp plate 19 of main valve seat 4, disk seat clamp plate 19's middle part threaded connection has fastening screw 20, through being provided with disk spring 14 between valve body 1 and vice disk seat 13, utilize disk spring 14's structural feature to provide down pretightning force, thereby make this device rigidity coefficient stable, not influenced by temperature and fine powder material accumulation, through all spraying the carbide with the surface of spheroid, main valve seat 4, vice disk seat 13, can make this device be applicable to gas, liquid, solid phase use, and metal bonding also can not take place under the high temperature, carbide and base member joint strength is high simultaneously, be difficult for droing, the flexibility that the increase device was used.

Working principle: the ball core 3 can be rotated by rotating the valve rod 5, the passage of the ball core 3 can be controlled, and when the ball core is used, the outer circle size of the joint of the ball core 3 and the valve rod 5 is reduced, large-particle media can be prevented from being blocked, the hard alloy is sprayed on the surfaces of the ball body, the main valve seat 4 and the auxiliary valve seat 13, the wear resistance of the hard alloy can be improved by utilizing the material characteristics of the hard alloy, the ball core 3 can float in the valve body 1 after the outer circle size of the joint of the ball core 3 and the valve rod 5 is reduced, and the ball core 3 can be prevented from being blocked and dead due to thermal expansion and contraction in normal temperature and high temperature alternation through a floating structural design. Through being provided with dish spring 14 between valve body 1 and vice disk seat 13, utilize the structural feature of dish spring 14 to provide pretightning force down, thereby make this device rigidity coefficient stable, not influenced by temperature and fine powder material accumulation, through all spraying the carbide with spheroid, main valve seat 4, the surface of vice disk seat 13, can make this device be applicable to gas, liquid, solid phase use, and can not take place the metal bonding yet under the high temperature, carbide and base member joint strength are high simultaneously, be difficult for droing, the flexibility of increasing the device use.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a novel anti-lock wear-resisting ball valve, includes valve body (1), its characterized in that: one side fixed connection of valve body (1) is in one side of valve gap (2), the middle part of valve body (1) inner wall rotates the outside of connecting in ball core (3), one side fixedly connected with main disk seat (4) of valve gap (2), one side inner wall rotation of main disk seat (4) is connected in one side of ball core (3) outside, the top fixed connection of ball core (3) is in the bottom of valve rod (5), the top fixedly connected with of valve body (1) goes up valve gap (7), the top fixed connection of going up valve gap (7) is in the bottom of gland (10), the outside at valve rod (5) is all rotated to the inner wall of gland (10) and last valve gap (7), ball core (3) are in the junction excircle size with valve rod (5) and are reduced the processing, one side fixedly connected with vice disk seat (13) of valve body (1) inner wall, just the surface of ball core (3), main disk seat (4), vice disk seat (13) all has the carbide spraying.

2. The novel anti-lock wear-resistant ball valve as claimed in claim 1, wherein: one side of the valve cover (2) is provided with a sealing gasket (6), and one side of the sealing gasket (6) is arranged on one side of the valve body (1).

3. The novel anti-lock wear-resistant ball valve as claimed in claim 1, wherein: the middle part of upper valve gap (7) is provided with packing box (8), the bottom fixedly connected with packing gland (10) packs cover (9), the outside sliding connection of packing cover (9) is in the inner wall of packing box (8).

4. The novel anti-lock wear-resistant ball valve as claimed in claim 1, wherein: the bottom fixedly connected with uide bushing (11) of upper valve gap (7) inner wall, the outside of uide bushing (11) rotates and connects in the outside of valve rod (5), the bottom fixedly connected with of upper valve gap (7) rotates pad (12), the bottom setting of rotating pad (12) is in the middle part of valve rod (5).

5. The novel anti-lock wear-resistant ball valve as claimed in claim 1, wherein: one side fixedly connected with trapezoidal graphite ring (16) of valve body (1) inner wall, one side of trapezoidal graphite ring (16) is provided with ring clamp plate (15), one side of ring clamp plate (15) is provided with dish spring (14), just ring clamp plate (15) with dish spring (14) all set up in one side of vice disk seat (13) outer wall, the opposite side fixedly connected with sealing washer (17) of vice disk seat (13) outer wall, the top of sealing washer (17) sets up top surface one side of valve body (1) inner wall.

6. The novel anti-lock wear-resistant ball valve as claimed in claim 1, wherein: the valve cover (2) is provided with a graphite pad (18) on the side close to the main valve seat (4), a valve seat pressing plate (19) is fixedly connected to the right side of the main valve seat (4), and a fastening screw (20) is connected to the middle of the valve seat pressing plate (19) in a threaded mode.