CN212509551U

CN212509551U - Valve sealing structure

Info

Publication number: CN212509551U
Application number: CN202021023635.0U
Authority: CN
Inventors: 易汉彬
Original assignee: Wuxi Depin Technology Co ltd
Current assignee: Wuxi Depin Technology Co ltd
Priority date: 2020-06-07
Filing date: 2020-06-07
Publication date: 2021-02-09
Anticipated expiration: 2030-06-07

Abstract

The utility model discloses a valve seal structure, which comprises a valve body, the top intercommunication of valve body has the valve gap, valve gap inner chamber's top fixedly connected with spacing block, the top of valve gap is provided with the hand wheel, the bottom fixedly connected with threaded rod of hand wheel, the bottom of threaded rod runs through to the inner chamber and the swing joint of valve body have the closing plate, the surface of threaded rod just is located the inner chamber cover of valve gap and is equipped with the thread bush, the both sides of thread bush all with the inner wall fixed connection of valve gap. The utility model discloses a set up hand wheel, threaded rod, closing plate, thread bush, sealed piece, connecting rod, extrusion piece, control box, limiting plate, control lever, regulating block, first spring, control block, control shell, second spring, current-limiting plate, sliding block and water conservancy diversion mouth, solved the single problem that wearing and tearing can lead to the medium leakage that appears of current valve seal structure, this valve possesses the advantage that double seal structure prevents the medium leakage, is worth promoting.

Description

Valve sealing structure

Technical Field

The utility model relates to the technical field of valves, specifically a valve seal structure.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters of a conveyed medium, is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite various varieties and specifications.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve seal structure possesses double seal structure and prevents the advantage of medium leakage, has solved the single problem that wearing and tearing can lead to the medium leakage that appears of current valve seal structure.

In order to achieve the above object, the utility model provides a following technical scheme: a valve sealing structure comprises a valve body, wherein the top of the valve body is communicated with a valve cover, the top of an inner cavity of the valve cover is fixedly connected with an isolation block, the top of the valve cover is provided with a hand wheel, the bottom of the hand wheel is fixedly connected with a threaded rod, the bottom of the threaded rod penetrates through the inner cavity of the valve body and is movably connected with a sealing plate, the surface of the threaded rod, which is positioned in the inner cavity of the valve cover, is sleeved with a threaded sleeve, the two sides of the threaded sleeve are fixedly connected with the inner wall of the valve cover, the inner cavity of the valve body is provided with a valve seat body, the top and the bottom of the valve seat body are fixedly connected with the inner wall of the valve body, the left side of the top of the inner cavity of the valve body is fixedly connected with a sliding rod, the bottom of the, the bottom of the sealing block penetrates through the valve seat body and is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with an extrusion block, the right side of the bottom of the valve body inner cavity is fixedly connected with a control box, an inner cavity of the control box is provided with a limiting plate, the left side of the limiting plate is fixedly connected with a control rod, the left side of the control rod penetrates through the control box and is fixedly connected with an adjusting block, a first spring is sleeved on the surface of the control rod and positioned on the outer side of the control box, the right side of the limiting plate is fixedly connected with a control block, the right side of the top of the valve body inner cavity is fixedly connected with an adjusting shell, the top of the valve body inner cavity is fixedly connected with a second spring positioned in the inner cavity of the adjusting shell, the bottom of the adjusting shell is fixedly connected, the top of current-limiting plate runs through to the inner chamber of adjusting the shell, the water conservancy diversion mouth has all been seted up to the both sides of adjusting the shell.

Preferably, the top of the valve cover is provided with a threaded hole matched with the threaded rod, and the joint of the bottom of the threaded rod and the sealing plate is movably connected through a bearing.

Preferably, the surface of the valve seat body is provided with an adjusting opening matched with the sealing block for use, the surface of the sliding rod is in sliding connection with the sliding sleeve, and the right side of the extrusion block is in contact with the adjusting block.

Preferably, the left side of the control box is provided with an opening matched with the control rod for use, the two sides of the first spring are respectively and fixedly connected with the adjusting block and the control box, and the joint of the right side of the top of the control box and the valve seat body is provided with a movable opening matched with the flow limiting plate for use.

Preferably, the bottom of the sliding block is in contact with the control block, the top of the flow limiting plate is in contact with the second spring, and flanges are communicated with two sides of the valve body.

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

1. the utility model discloses a set up hand wheel, threaded rod, closing plate, thread bush, sealed piece, connecting rod, extrusion piece, control box, limiting plate, control lever, regulating block, first spring, control block, control shell, second spring, current-limiting plate, sliding block and water conservancy diversion mouth, solved the single problem that wearing and tearing can lead to the medium leakage that appears of current valve seal structure, this valve possesses the advantage that double seal structure prevents the medium leakage, is worth promoting.

2. The utility model discloses a set up the spacing block, can prevent that the valve gap from appearing leaking, through setting up the hand wheel, can the person of facilitating the use rotate the threaded rod, through setting up the thread bush, can drive the closing plate with the threaded rod cooperation and remove, through setting up slide bar and sliding sleeve, can make things convenient for the removal of closing plate, through setting up the extrusion piece, can drive the limiting plate with the regulating block cooperation and remove, through setting up the control block, can adjust the service position of current-limiting plate with the sliding block cooperation, through setting up the second spring, can promote the current-limiting plate to the control box in, through setting up the flange, can make things convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is a partially enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. an isolation block; 4. a hand wheel; 5. a threaded rod; 6. a sealing plate; 7. a threaded sleeve; 8. a valve seat body; 9. a slide bar; 10. a sliding sleeve; 11. a sealing block; 12. a connecting rod; 13. extruding the block; 14. a control box; 15. a limiting plate; 16. a control lever; 17. an adjusting block; 18. a first spring; 19. a control block; 20. an adjustment housing; 21. a second spring; 22. a restrictor plate; 23. a slider; 24. and a flow guide opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a valve sealing structure comprises a valve body 1, a valve cover 2 is communicated with the top of the valve body 1, a spacer block 3 is fixedly connected with the top of an inner cavity of the valve cover 2, a hand wheel 4 is arranged on the top of the valve cover 2, a threaded rod 5 is fixedly connected with the bottom of the hand wheel 4, the bottom of the threaded rod 5 penetrates through the inner cavity of the valve body 1 and is movably connected with a sealing plate 6, a threaded sleeve 7 is sleeved on the surface of the threaded rod 5 and is positioned in the inner cavity of the valve cover 2, both sides of the threaded sleeve 7 are fixedly connected with the inner wall of the valve cover 2, a valve seat body 8 is arranged in the inner cavity of the valve body 1, both the top and the bottom of the valve seat body 8 are fixedly connected with the inner wall of the valve body 1, a sliding rod 9 is fixedly connected with the bottom of the sliding rod, the bottom of the sealing plate 6 is fixedly connected with a sealing block 11, the bottom of the sealing block 11 penetrates through the valve seat body 8 and is fixedly connected with a connecting rod 12, the bottom of the connecting rod 12 is fixedly connected with an extrusion block 13, the right side of the bottom of the inner cavity of the valve body 1 is fixedly connected with a control box 14, the inner cavity of the control box 14 is provided with a limiting plate 15, the left side of the limiting plate 15 is fixedly connected with a control rod 16, the left side of the control rod 16 penetrates through the control box 14 and is fixedly connected with an adjusting block 17, the surface of the control rod 16 and positioned at the outer side of the control box 14 are sleeved with a first spring 18, the right side of the limiting plate 15 is fixedly connected with a control block 19, the right side of the top of the inner cavity of the valve body 1 is fixedly connected with an adjusting shell 20, the top of the inner cavity of the valve body, the bottom of the current-limiting plate 22 is fixedly connected with a sliding block 23, the top of the current-limiting plate 22 penetrates into the inner cavity of the adjusting shell 20, both sides of the adjusting shell 20 are provided with flow guide openings 24, the top of the valve cover 2 is provided with a threaded hole matched with the threaded rod 5 for use, the connection part of the bottom of the threaded rod 5 and the sealing plate 6 is movably connected through a bearing, the surface of the valve seat body 8 is provided with an adjusting opening matched with the sealing block 11 for use, the surface of the sliding rod 9 is slidably connected with the sliding sleeve 10, the right side of the extrusion block 13 is contacted with the adjusting block 17, the left side of the control box 14 is provided with an opening matched with the control rod 16 for use, both sides of the first spring 18 are respectively fixedly connected with the adjusting block 17 and the control box 14, the connection part of the right side of the top of the control box 14 and, the top of the current-limiting plate 22 contacts with the second spring 21, the two sides of the valve body 1 are communicated with flanges, through setting the isolating block 3, leakage of the valve cover 2 can be prevented, through setting the hand wheel 4, the threaded rod 5 can be rotated by an convenient user, through setting the threaded sleeve 7, the sealing plate 6 can be driven to move by matching with the threaded rod 5, through setting the sliding rod 9 and the sliding sleeve 10, the sealing plate 6 can be moved conveniently, through setting the extrusion block 13, the limiting plate 15 can be driven to move by matching with the adjusting block 17, through setting the control block 19, the using position of the current-limiting plate 22 can be adjusted by matching with the sliding block 23, through setting the second spring 21, the current-limiting plate 22 can be pushed into the control box 14, through setting the flanges, the connection of the valve body 1 can be facilitated, through setting the hand wheel 4, the threaded rod 5, the sealing plate, The valve comprises an extrusion block 13, a control box 14, a limiting plate 15, a control rod 16, an adjusting block 17, a first spring 18, a control block 19, an adjusting shell 20, a second spring 21, a flow limiting plate 22, a sliding block 23 and a flow guide port 24, and solves the problem that the existing valve sealing structure is single and has abrasion, so that the medium leakage can be caused.

During the use, the hand wheel 4 rotates, the hand wheel 4 drives the threaded rod 5 to rotate, the threaded rod 5 and the thread bush 7 cooperate to drive the sealing plate 6 to move, the sealing plate 6 cooperates with the sealing block 11 to block up the regulation opening, the valve is closed, the sealing block 11 cooperates with the connecting rod 12 to drive the extrusion block 13 to move, the extrusion block 13 cooperates with the adjusting block 17 to drive the control lever 16 to move, simultaneously, the adjusting block 17 extrudes the first spring 18, the control lever 16 cooperates with the limiting plate 15 to drive the control block 19 to move, the control block 19 cooperates with the sliding block 23 to make the current-limiting plate 22 enter the inner cavity of the regulating shell 20 and block up the flow-guiding opening 24, the double-seal structure is used to prevent one.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A valve seal structure, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cover (2) is communicated with the top of the valve body (1), an isolating block (3) is fixedly connected with the top of an inner cavity of the valve cover (2), a hand wheel (4) is arranged on the top of the valve cover (2), a threaded rod (5) is fixedly connected with the bottom of the hand wheel (4), the bottom of the threaded rod (5) penetrates through the inner cavity of the valve body (1) and is movably connected with a sealing plate (6), a threaded sleeve (7) is sleeved on the surface of the threaded rod (5) and positioned in the inner cavity of the valve cover (2), both sides of the threaded sleeve (7) are fixedly connected with the inner wall of the valve cover (2), a valve seat body (8) is arranged in the inner cavity of the valve body (1), the top and the bottom of the valve seat body (8) are fixedly connected with the inner wall of the valve body (1), a sliding rod (9) is fixedly connected with the, the valve is characterized in that a sliding sleeve (10) is sleeved on the surface of the sliding rod (9), the right side of the sliding sleeve (10) is fixedly connected with a sealing plate (6), a sealing block (11) is fixedly connected to the bottom of the sealing plate (6), a valve seat body (8) is penetrated through the bottom of the sealing block (11) and a connecting rod (12) is fixedly connected to the bottom of the sealing block (11), an extrusion block (13) is fixedly connected to the bottom of the connecting rod (12), a control box (14) is fixedly connected to the right side of the bottom of an inner cavity of the valve body (1), a limiting plate (15) is arranged in the inner cavity of the control box (14), a control rod (16) is fixedly connected to the left side of the limiting plate (15), a regulating block (17) is penetrated through the left side of the control rod (16) and is fixedly connected to the left side of the control box (14), a first spring (18) is sleeved, the right side fixedly connected with of valve body (1) inner chamber top adjusts shell (20), the top of valve body (1) inner chamber just is located the inner chamber fixedly connected with second spring (21) of adjusting shell (20), the bottom and the disk seat body (8) fixed connection of adjusting shell (20), the right side of control box (14) inner chamber is provided with current-limiting plate (22), the bottom fixedly connected with sliding block (23) of current-limiting plate (22), the inner chamber to adjusting shell (20) is run through at the top of current-limiting plate (22), water conservancy diversion mouth (24) have all been seted up to the both sides of adjusting shell (20).

2. A valve seal structure according to claim 1, wherein: the top of the valve cover (2) is provided with a threaded hole matched with the threaded rod (5) for use, and the joint of the bottom of the threaded rod (5) and the sealing plate (6) is movably connected through a bearing.

3. A valve seal structure according to claim 1, wherein: the surface of the valve seat body (8) is provided with an adjusting opening matched with the sealing block (11) for use, the surface of the sliding rod (9) is in sliding connection with the sliding sleeve (10), and the right side of the extrusion block (13) is in contact with the adjusting block (17).

4. A valve seal structure according to claim 1, wherein: the left side of the control box (14) is provided with an opening matched with the control rod (16) for use, the two sides of the first spring (18) are fixedly connected with the adjusting block (17) and the control box (14) respectively, and the joint of the right side of the top of the control box (14) and the valve seat body (8) is provided with a movable opening matched with the flow limiting plate (22) for use.

5. A valve seal structure according to claim 1, wherein: the bottom of the sliding block (23) is in contact with the control block (19), the top of the current limiting plate (22) is in contact with the second spring (21), and flanges are communicated with the two sides of the valve body (1).