CN219639505U

CN219639505U - Sealing structure of metal ball valve

Info

Publication number: CN219639505U
Application number: CN202320806632.1U
Authority: CN
Inventors: 吴静
Original assignee: Shanxi Taibao Sealing Technology Co ltd
Current assignee: Shanxi Taibao Sealing Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-05
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the technical field of metal ball valves, in particular to a metal ball valve sealing structure, which comprises a valve body structure, wherein the top of the valve body structure is provided with a sealing structure, the sealing structure comprises an opening ball rod, two sides of the top and the bottom of the opening ball rod are respectively meshed with a meshed threaded rod, one side of the meshed threaded rod is in threaded connection with a push-out block, the outer wall of the push-out block is movably connected with a fixed block, one side of the push-out block is fixedly connected with a push group, the other side of the push group is fixedly connected with a connecting block, the middle parts of the two connecting blocks on one side are fixedly connected with sealing rings, and the sealing structure of the device can be improved by arranging the sealing structure, so that the opening ball rod can not rub a sealing rubber ring under the rotation condition of the device, the abrasion condition of the sealing rubber ring is reduced, and the device has longer service life.

Description

Sealing structure of metal ball valve

Technical Field

The utility model relates to the technical field of metal ball valves, in particular to a metal ball valve sealing structure.

Background

The metal ball valve is a switching device used between pipelines, pipelines at two ends of the device can be controlled through the metal ball valve, and the sealing structure of the metal ball valve is a structure for sealing two ends of the metal ball valve in an opening state of the metal ball valve, so that water leakage at the two ends of the ball valve during opening is prevented.

According to the improved ball valve sealing structure disclosed by the authority publication number CN215059676U, the ball valve comprises a pipe body, a fixed ring is welded on the inner side surface of the pipe body, a valve core is installed in the fixed ring, a valve rod is fixedly connected with the peripheral side surface of the valve core, a sealing layer is sleeved on the valve rod, the valve rod penetrates through the fixed ring and the pipe body, sealing discs are fixedly connected with the two ends of the fixed ring, a first groove is formed in one surface of each sealing disc, a first sealing ring is fixedly connected in the first groove, and the first sealing ring abuts against the valve core. According to the valve, the sealing disc and the first sealing ring are arranged, when the valve core is closed, the sealing disc and the first sealing ring are propped against the valve core, so that fluid is prevented from penetrating from a gap between the valve core and the sealing disc, and the sealing layer is arranged, so that the fluid is prevented from penetrating from a gap between the valve rod and the pipe body; through setting up the second sealing ring, play dual seal effect with first sealing ring, after one of them wearing and tearing are serious, another still plays effect, increase of service life.

Although the above application meets the use requirements of users to a certain extent, certain drawbacks still exist in the use process, and the specific problems are as follows:

after the existing device improves the metal ball valve sealing structure, the metal ball valve sealing structure can be continuously used after being worn, but after the metal ball valve sealing structure is used for a long time, the metal ball valve sealing structure still can be worn, if the double-layer gaskets are worn, the sealing of the metal ball valve can not be ensured, so that the sealing of the metal ball valve is problematic.

Disclosure of Invention

The utility model provides a metal ball valve sealing structure which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal ball valve seal structure, includes valve body structure, valve body structure's top is equipped with seal structure, seal structure is including opening the club, it has the meshing threaded rod to open the both sides of club top and bottom, one side threaded connection of meshing threaded rod has the release piece, the outer wall swing joint of release piece has the fixed block, one side fixedly connected with of release piece promotes the group, the opposite side fixedly connected with connecting block of promotion group, two one sides connecting block middle part fixedly connected with sealing ring, one side fixedly connected with sealing rubber ring of sealing ring.

Further, promote the group and include first locating piece, the inner wall fixedly connected with of first locating piece triggers the shell, one side fixedly connected with oil pressure pipeline that triggers the shell, the inside swing joint who triggers the shell has first closing plate, one side fixedly connected with reset spring of first closing plate, the other end fixedly connected with oil pressure cabin of oil pressure pipeline, the outer wall fixedly connected with second locating piece of oil pressure cabin, the inner wall swing joint of oil pressure cabin has the extension spring that resets, the opposite side fixedly connected with second closing plate of extension spring that resets, the opposite side fixedly connected with ejector pin of second closing plate.

Further, open the club and include spherical valve body, go up bull stick, bull stick and rotatory cap down, wherein go up, the outer wall of bull stick down all fixedly connected with drive helical gear, the meshing threaded rod includes lead screw and helical gear, this lead screw and release piece threaded connection, this helical gear and drive helical gear meshing.

Further, an opening hole is formed in the middle of the opening ball rod, one side of the first sealing plate is fixedly connected with the other side of the pushing-out block, one side of the trigger shell is movably connected with the pushing-out block, and hydraulic oil is fully stored in the trigger shell and the oil pressure pipeline in a normal state downwards.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

the utility model discloses a be equipped with seal structure and can help the device to seal its club of opening at the user, improved the seal structure of its device, make it open the club and not be in friction seal rubber ring under the device rotation condition, reduce the wearing and tearing condition of its seal rubber ring, make its device possess longer life.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic structural view of a metal ball valve seal structure of the present utility model;

FIG. 2 is a schematic view of a seal structure of the present utility model;

FIG. 3 is a schematic diagram of a push group of the present utility model;

in the figure: 1. a valve body structure; 2. a sealing structure; 201. opening the club; 202. engaging the threaded rod; 203. a fixed block; 204. a push-out block; 205. pushing the group; 206. a connecting block; 207. a seal ring; 208. a sealing rubber ring; 2051. a first positioning block; 2052. a trigger housing; 2053. an oil pressure pipe; 2054. a second positioning block; 2055. a first sealing plate; 2056. a return spring; 2057. an ejector rod; 2058. a second sealing plate; 2059. resetting the tension spring; 2060. and an oil pressure cabin.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-3, the utility model provides a technical scheme, a metal ball valve sealing structure, which comprises a valve body structure 1, wherein a sealing structure 2 is arranged at the top of the valve body structure 1, the sealing structure 2 comprises an opening ball rod 201, two sides of the top and the bottom of the opening ball rod 201 are respectively meshed with a meshing threaded rod 202, one side of the meshing threaded rod 202 is in threaded connection with a push-out block 204, the outer wall of the push-out block 204 is movably connected with a fixed block 203, one side of the push-out block 204 is fixedly connected with a push group 205, the other side of the push group 205 is fixedly connected with a connecting block 206, the middle parts of the two connecting blocks 206 on one side are fixedly connected with sealing rings 207, one side of each sealing ring 207 is fixedly connected with a sealing rubber ring 208, the sealing structure can help the device to seal, and the abrasion condition of the sealing rubber ring 208 is reduced.

The pushing group 205 comprises a first positioning block 2051, the inner wall of the first positioning block 2051 is fixedly connected with a trigger shell 2052, one side of the trigger shell 2052 is fixedly connected with an oil pressure pipeline 2053, the inside of the trigger shell 2052 is movably connected with a first sealing plate 2055, one side of the first sealing plate 2055 is fixedly connected with a reset spring 2056, the other end of the oil pressure pipeline 2053 is fixedly connected with an oil pressure cabin 2060, the outer wall of the oil pressure cabin 2060 is fixedly connected with a second positioning block 2054, the inner wall of the oil pressure cabin 2060 is movably connected with a reset tension spring 2059, the other side of the reset tension spring 2059 is fixedly connected with a second sealing plate 2058, and the other side of the second sealing plate 2058 is fixedly connected with an ejector rod 2057, so that the device can be helped to retract and seal.

The opening ball rod 201 comprises a spherical valve body, an upper rotating rod, a lower rotating rod and a rotating cap, wherein the outer walls of the upper rotating rod and the lower rotating rod are fixedly connected with driving bevel gears, the meshing threaded rod 202 comprises a screw rod and a bevel gear, the screw rod is in threaded connection with the push-out block 204, and the bevel gear is meshed with the driving bevel gear and can be used for driving a device to work.

The open club 201 has an open hole in the middle to aid in the circulation of water.

One side of the first sealing plate 2055 is fixedly connected with the other side of the push-out block 204, one side of the trigger shell 2052 is movably connected with the push-out block 204, and hydraulic oil is fully stored in the trigger shell 2052 and the oil pressure pipeline 2053 in a normal state downwards to help push out the sealing ring 207 and the sealing rubber ring 208.

The ejector rod 2057 is fixedly connected to the connection block 206, and the connection block 206 is movably connected in the valve body structure 1.

When the device is used, firstly, the whole device is checked, the normal matching of all parts of the device is ensured, the device can work normally, when the device runs, the opening ball rod 201 is driven to rotate by the opening ball rod 201, the engagement threaded rod 202 rotates in the push-out block 204, the push-out block 204 moves in the fixed block 203, the push-out block 204 moves to push the first sealing plate 2055, the first sealing plate 2055 moves to compress the return spring 2056, the first sealing plate 2055 moves to trigger hydraulic oil in the shell 2052 to compress the hydraulic oil into the oil pressure cabin 2060 through the oil pressure pipeline 2053, the hydraulic oil pushes the second sealing plate 2058 to move in the oil pressure cabin 2060, the second sealing plate 2058 moves to stretch the return tension spring 2059, the second sealing plate 2058 moves to push the push-out rod 2057, the push-out rod 2057 moves to push the connecting block 206 to move in the valve body structure 1, the connecting block 206 moves to push the sealing ring 207 and the sealing rubber ring 208 to seal the opening ball rod 201, the sealing structure 2 can help the device to seal the opening ball rod 201 by a user, the sealing structure of the device is improved, the sealing structure of the device is prevented from being worn out of the sealing ring 208 by the sealing device under the condition that the sealing ring 201 is more durable and the sealing device is used for reducing the friction life of the sealing device.

Finally, it should be noted that: the foregoing is merely a preferred example 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 a metal ball valve seal structure, includes valve body structure (1), its characterized in that: the top of valve body structure (1) is equipped with seal structure (2), seal structure (2) are including opening club (201), the both sides of club (201) top and bottom all are opened have meshing threaded rod (202), one side threaded connection of meshing threaded rod (202) has release piece (204), the outer wall swing joint of release piece (204) has fixed block (203), one side fixedly connected with of release piece (204) promotes group (205), the opposite side fixedly connected with connecting block (206) of promoting group (205), two one sides connecting block (206) middle part fixedly connected with sealing ring (207), one side fixedly connected with sealing rubber ring (208) of sealing ring (207).

2. The metal ball valve sealing structure according to claim 1, wherein: the pushing group (205) comprises a first positioning block (2051), the inner wall fixedly connected with of the first positioning block (2051) triggers shell (2052), one side fixedly connected with oil pressure pipeline (2053) of triggering shell (2052), the inside swing joint of triggering shell (2052) has first closing plate (2055), one side fixedly connected with reset spring (2056) of first closing plate (2055), the other end fixedly connected with oil pressure cabin (2060) of oil pressure pipeline (2053), the outer wall fixedly connected with second locating piece (2054) of oil pressure cabin (2060), the inner wall swing joint of oil pressure cabin (2060) has extension spring (2059) that resets, the opposite side fixedly connected with second closing plate (2058) of extension spring (2059), the opposite side fixedly connected with ejector pin (2057) of second closing plate (2058).

3. The metal ball valve sealing structure according to claim 2, wherein: the ball opening rod (201) comprises a spherical valve body, an upper rotating rod, a lower rotating rod and a rotating cap, wherein the outer walls of the upper rotating rod and the lower rotating rod are fixedly connected with driving bevel gears, the meshing threaded rod (202) comprises a screw rod and a bevel gear, the screw rod is in threaded connection with a push-out block (204), and the bevel gear is meshed with the driving bevel gear.

4. The metal ball valve sealing structure according to claim 1, wherein: the middle part of the opening ball rod (201) is provided with an opening hole.

5. The metal ball valve sealing structure according to claim 2, wherein: one side of the first sealing plate (2055) is fixedly connected with the other side of the pushing block (204), one side of the triggering shell (2052) is movably connected with the pushing block (204), and hydraulic oil is fully stored in the triggering shell (2052) and the oil pressure pipeline (2053) in a normal state.

6. The metal ball valve sealing structure according to claim 2, wherein: the ejector rod (2057) is fixedly connected with the connecting block (206), and the connecting block (206) is movably connected in the valve body structure (1).