CN219263239U

CN219263239U - All-metal hard-seal ball valve with five eccentric structures

Info

Publication number: CN219263239U
Application number: CN202223506955.3U
Authority: CN
Inventors: 焦敬; 王有有; 王禹
Original assignee: Tianjin Eteo Technology Co ltd
Current assignee: Tianjin Eteo Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-27
Anticipated expiration: 2032-12-28

Abstract

The utility model belongs to the technical field of equipment, in particular to an all-metal hard seal five-eccentric structure ball valve which comprises a lower valve rod, wherein a valve body is arranged on the outer side of the lower valve rod, an inner hexagon screw is arranged on the outer side of the valve body, a valve seat is arranged on the inner side of the inner hexagon screw, a ball body is arranged on the inner side of the valve seat, an O-shaped ring is arranged on the outer side of the valve seat, a pressing plate ring is arranged on one side of the O-shaped ring, a valve rod is arranged at the top end of the ball body, a filler is arranged on the outer side of the valve rod, a filler gland is arranged above the filler, a stud is arranged on the inner wall of the filler gland, and a nut is arranged at one end of the stud.

Description

All-metal hard-seal ball valve with five eccentric structures

Technical Field

The utility model relates to the technical field of equipment, in particular to an all-metal hard seal five-eccentric structure ball valve.

Background

The ball valve, the opening and closing piece (spheroid) is driven by the valve rod, and make the valve of rotary motion around the ball valve axis, can also be used for regulation and control of fluid, wherein have very strong shearing force between its V type ball core of the sealed V type ball valve of hard and the metal disk seat of build-up welding carbide, specially adapted contains medium such as fibre, tiny solid particle, and the switching of the confluence, reposition of redundant personnel, flow direction of medium of flexible control medium on the pipeline of the ball valve of the multiway, can close any passageway and make two other passageways link to each other simultaneously, this kind of valve should generally be installed horizontally in the pipeline, the ball valve divide into according to the driving method: pneumatic ball valve, electric ball valve, manual ball valve.

The prior art has the following problems:

when the existing ball valve is used, due to the fact that the structure is complex, other components are needed to assist in sealing in the ball valve sealing process, then along with the prolonging of the service cycle of the ball valve, the condition that sealing of the ball valve is not tight can be caused after the other components fail, and accordingly the sealing effect of the ball valve is affected, and therefore the ball valve with the full-metal hard-seal five-eccentric-structure is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an all-metal hard seal five-eccentric structure ball valve, which solves the problem that the existing ball valve component can fail in long-time use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an all-metal hard seal five eccentric structures ball valve, includes the lower valve rod, the lower valve rod outside is provided with the valve body, the valve body outside is provided with hexagon socket head cap screw, hexagon socket head cap screw inboard is provided with the disk seat, the disk seat inboard is provided with the spheroid, the disk seat outside is provided with O type circle, O type circle one side is provided with the clamp plate circle, the spheroid top is provided with the valve rod, the valve rod outside is provided with the filler, the filler top is provided with the gland, the gland inner wall is provided with the double-screw bolt, double-screw bolt one end is provided with the nut, the valve rod top is provided with pneumatic means.

As a preferable technical scheme of the utility model, the bottom end of the lower valve rod is fixedly arranged in the inner wall of the valve body, and the top end of the lower valve rod is movably connected with the bottom end of the ball body.

As a preferable technical scheme of the utility model, the number of the inner hexagon screws is a plurality of groups, and one end of each inner hexagon screw penetrates through the inner wall of the valve body to be in threaded connection.

As a preferable technical scheme of the utility model, the O-shaped ring is made of rubber and is fixedly arranged on the outer side of the valve seat.

As a preferable technical scheme of the utility model, one end of the valve rod is fixedly connected with the output end of the pneumatic device, and the other end of the valve rod is fixedly connected with the top end of the sphere.

As a preferable technical scheme of the utility model, the inner diameter size of the packing is matched with the outer diameter size of the upper end of the valve rod, and the packing is sleeved on the outer surface of the valve rod.

As a preferable technical scheme of the utility model, the bottom end of the stud is fixedly arranged in the inner wall of the top end of the valve body, and the top end of the stud penetrates through the inner wall of the packing gland to be in threaded connection with the nut.

Compared with the prior art, the utility model provides the all-metal hard-seal five-eccentric-structure ball valve, which has the following beneficial effects:

this five eccentric structures ball valve of full metal hard seal through setting up O type circle, stopper, clamp plate circle, filler and gland, in the valve body use, utilizes the cooperation of O type circle and stopper to improve the sealed effect between spheroid and the valve body, then utilizes the cooperation of filler and gland, can improve the valve rod stability in use, avoids its in the use, appears rocking the condition to influence valve main part sealed effect.

Drawings

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

FIG. 2 is a schematic view of a part of the planar structure of the lower valve rod and the ball body of the present utility model;

FIG. 3 is a schematic view of the planar structure of the valve stem and packing of the present utility model.

In the figure: 1. a lower valve rod; 2. a valve body; 3. an inner hexagon screw; 4. a valve seat; 5. a sphere; 6. an O-ring; 7. a pressing plate ring; 8. a valve stem; 9. a filler; 10. a packing gland; 11. a stud; 12. a nut; 13. pneumatic means.

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 to 3, in the present embodiment: the utility model provides an all-metal hard seal five eccentric structures ball valve, including lower valve rod 1, lower valve rod 1 outside is provided with valve body 2, the valve body 2 outside is provided with hexagon socket head cap screw 3, hexagon socket head cap screw 3 inboard is provided with disk seat 4, disk seat 4 inboard is provided with spheroid 5, disk seat 4 outside is provided with O type circle 6,O type circle 6 one side and is provided with clamp plate circle 7, spheroid 5 top is provided with valve rod 8, the valve rod 8 outside is provided with packing 9, packing 9 top is provided with packing 10, packing 10 inner wall is provided with double-screw bolt 11, double-screw bolt 11 one end is provided with nut 12, valve rod 8 top is provided with pneumatic means 13, utilize pneumatic means 13 can drive valve rod 8 and rotate, thereby change the angle of spheroid 5.

In the embodiment, the bottom end of the lower valve rod 1 is fixedly arranged in the inner wall of the valve body 2, the top end of the lower valve rod 1 is movably connected with the bottom end of the ball body 5, and the use stability of the ball body 5 can be improved by using the lower valve rod 1, so that the condition of shaking during use is avoided; the number of the inner hexagon screws 3 is a plurality of groups, one end of each inner hexagon screw 3 penetrates through the inner wall of the valve body 2 to be connected in a threaded mode, and the use stability of the pressing plate ring 7 can be improved by the aid of the inner hexagon screws 3; the O-shaped ring 6 is made of rubber, the O-shaped ring 6 is fixedly arranged on the outer side of the valve seat 4, and the sealing effect between the valve seat 4 and the valve body 2 can be improved by utilizing the O-shaped ring 6, so that the connection stability between the ball 5 and the valve body 2 can be improved by utilizing the valve seat 4; one end of the valve rod 8 is fixedly connected with the output end of the pneumatic device 13, the other end of the valve rod 8 is fixedly connected with the top end of the sphere 5, and the valve rod 8 can be driven to rotate by the pneumatic device 13, so that the angle of the sphere 5 is changed; the inner diameter size of the packing 9 is matched with the outer diameter size of the upper end of the valve rod 8, the packing 9 is sleeved on the outer surface of the valve rod 8, and the sealing effect between the valve rod 8 and the valve body 2 can be improved by using the packing 9; the bottom end of the stud 11 is fixedly arranged in the inner wall of the top end of the valve body 2, the top end of the stud 11 penetrates through the inner wall of the packing gland 10 and is in threaded connection with the nut 12, the packing gland 10 can be fixed by utilizing the cooperation of the stud 11 and the nut 12, and therefore the stability of the packing 9 in use can be improved by utilizing the packing gland 10, and the situation that the packing 9 shifts when in use is avoided.

The working principle and the using flow of the utility model are as follows: when the valve body 2 is used, an operator installs the valve body 2 and a pipeline, when the valve body 2 is used daily, the valve rod 8 can be driven to rotate by utilizing the pneumatic device 13, so that the angle of the ball body 5 is adjusted by utilizing the valve rod 8, when the angle of the ball body 5 is adjusted, the valve body 2 can be opened or sealed, then when the ball body 5 is used, the sealing effect between the ball body 5 and the valve body 2 can be improved by utilizing the matching of the O-shaped ring 6 and the pressing plate ring 7, so that the stability of the valve body 2 is improved, and when the valve rod 8 is used, the sealing effect between the valve rod 8 and the valve body 2 can be improved by utilizing the packing 9, and the stability of the packing 9 is improved by utilizing the packing gland 10, so that the situation that the packing 9 shifts during use is avoided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an all-metal hard seal five eccentric structures ball valve, includes lower valve rod (1), its characterized in that: the valve is characterized in that the valve body (2) is arranged on the outer side of the lower valve rod (1), the inner hexagon screw (3) is arranged on the outer side of the valve body (2), the valve seat (4) is arranged on the inner side of the inner hexagon screw (3), the ball body (5) is arranged on the inner side of the valve seat (4), an O-shaped ring (6) is arranged on the outer side of the valve seat (4), a pressing plate ring (7) is arranged on one side of the O-shaped ring (6), the valve rod (8) is arranged on the top end of the ball body (5), the packing (9) is arranged on the outer side of the valve rod (8), the packing (9) is provided with a packing gland (10), a stud (11) is arranged on the inner wall of the packing gland (10), a nut (12) is arranged on one end of the stud (11), and a pneumatic device (13) is arranged on the top end of the valve rod (8).

2. The all-metal hard seal five-eccentric structure ball valve according to claim 1, wherein: the bottom end of the lower valve rod (1) is fixedly arranged in the inner wall of the valve body (2), and the top end of the lower valve rod (1) is movably connected with the bottom end of the ball body (5).

3. The all-metal hard seal five-eccentric structure ball valve according to claim 1, wherein: the number of the inner hexagon screws (3) is a plurality of groups, and one end of each inner hexagon screw (3) penetrates through the inner wall of the valve body (2) to be in threaded connection.

4. The all-metal hard seal five-eccentric structure ball valve according to claim 1, wherein: the O-shaped ring (6) is made of rubber, and the O-shaped ring (6) is fixedly arranged on the outer side of the valve seat (4).

5. The all-metal hard seal five-eccentric structure ball valve according to claim 1, wherein: one end of the valve rod (8) is fixedly connected with the output end of the pneumatic device (13), and the other end of the valve rod (8) is fixedly connected with the top end of the sphere (5).

6. The all-metal hard seal five-eccentric structure ball valve according to claim 1, wherein: the inner diameter of the packing (9) is matched with the outer diameter of the upper end of the valve rod (8), and the packing (9) is sleeved on the outer surface of the valve rod (8).

7. The all-metal hard seal five-eccentric structure ball valve according to claim 1, wherein: the bottom end of the stud (11) is fixedly arranged in the inner wall of the top end of the valve body (2), and the top end of the stud (11) penetrates through the inner wall of the packing gland (10) and is in threaded connection with the nut (12).