CN220816699U

CN220816699U - Manual plug valve

Info

Publication number: CN220816699U
Application number: CN202322735720.XU
Authority: CN
Inventors: 陈纪圣
Original assignee: Henan Tailong Petroleum Machinery Equipment Co ltd
Current assignee: Henan Tailong Petroleum Machinery Equipment Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-04-19
Anticipated expiration: 2033-10-11

Abstract

The utility model discloses a manual plug valve, which comprises a manual plug valve body, connecting discs fixedly connected to the left side and the right side of the lower end of the plug valve body, plug valve rods rotatably arranged at the upper end of the plug valve body, and locking mechanisms, wherein the locking mechanisms are symmetrically arranged at the left end and the right end of the plug valve rods and are used for locking and fixing the plug valve rods and the plug valve body, and a protective cover is arranged on the outer side of the plug valve rods and is clamped and arranged at the upper end of the plug valve body. This manual plug valve is convenient for lock between the plug valve rod and the plug valve body under the state of not using, prevents that the plug valve rod from taking place to open certainly or from closing when taking place to miss the touch or the maloperation, influences the normal operating of plug valve body, combines the protection casing cover to establish in the outside of plug valve rod, can further play the effect of protection to the plug valve rod.

Description

Manual plug valve

Technical Field

The utility model relates to the technical field of plug valves, in particular to a manual plug valve.

Background

The plug valve is a valve which is opened or closed by rotating a passage opening on the plug by 90 degrees to be communicated with or separated from a passage opening on a valve body, belongs to one type of rotary valve, and is widely applied to various fields of petroleum, chemical industry, liquefied gas, food, pharmacy, urban construction and the like;

Referring to China patent grant publication No. CN210106646U, grant publication day 2020.02.21, a manual plug valve is disclosed, and the scheme solves the problems that the manual plug valve is inconvenient to filter larger floaters in water and is easy to cause plug;

However, in the prior art, the plug valve is inconvenient to lock and fix the valve rod and the valve body in an unused state in the actual use process, and the valve rod is easy to automatically open or close under the conditions of error collision or error operation and the like, so that the normal use of the plug valve is affected, and the problems exist in the comparison patents listed above;

for this purpose we propose a manual plug valve to solve the above problems.

Disclosure of utility model

The utility model aims to provide a manual plug valve, which solves the problems that the locking and fixing between a valve rod and a valve body are inconvenient in the unused state and the normal use of the plug valve is affected due to the fact that the valve rod is automatically opened or automatically closed easily under the conditions of false collision or misoperation and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a manual plug valve comprises a plug valve body, connecting discs fixedly connected to the left side and the right side of the lower end of the plug valve body, and a plug valve rod rotatably arranged at the upper end of the plug valve body;

Further comprises:

The locking mechanisms are symmetrically arranged at the left end and the right end of the plug valve rod and are used for locking and fixing the plug valve rod and the plug valve body;

The protective cover is arranged on the outer side of the valve rod of the plug valve in a covering way, is clamped and installed at the upper end of the valve body of the plug valve, and is limited between the protective cover and the valve body of the plug valve through a fixing column;

Wherein, the protection casing constitutes the dismantlement structure through the fixed column in the upper end of plug valve body.

Preferably, the locking mechanism comprises a fixed rod fixedly connected to the left side and the right side of the upper end of the valve rod of the plug valve, a movable plate used for limiting, a fixed groove formed in the middle of the movable plate, a fixed plate in an L-shaped structure and a fixed cap with a locking function.

Preferably, the movable plate is hinged to the upper end of the fixed block, the movable plate forms a turnover structure on the side face of the plug valve body, and the fixed blocks are respectively and fixedly connected to the left side and the right side of the upper end of the plug valve body.

Preferably, the movable plate is connected with the fixed rod through a clamping groove, the fixed rod is inserted into the upper end of the fixed plate, and the lower end of the fixed plate is clamped and connected in the fixed groove.

Preferably, the side surface of the fixing plate is in fit with the fixing cap, and the fixing cap is in threaded connection with the outer surface of the fixing rod.

Preferably, the left side and the right side of the lower end of the protective cover are both slidably connected with a movable frame, a spring is arranged between the movable frame and the protective cover, and one side, close to the plug valve body, of the movable frame is fixedly connected with the fixed column through a bolt.

Preferably, the movable frame drives the fixed column to be connected with the lower end of the connecting groove in a clamping mode, and the connecting groove is respectively formed in the left side and the right side of the middle of the plug valve body.

Compared with the prior art, the utility model has the beneficial effects that: according to the manual plug valve, in the actual use process, through the arrangement of the locking mechanism, the plug valve rod and the plug valve body are conveniently locked in a non-use state, the plug valve rod is prevented from being automatically opened or closed when in false touch or misoperation, the normal operation of the plug valve body is influenced, the plug valve rod is covered on the outer side of the plug valve rod by combining the protective cover, the plug valve rod can be further protected, and the practicability is high;

1. The locking mechanism is symmetrically arranged at the left end and the right end of the plug valve rod and comprises a fixed rod, a movable plate, a fixed groove, a fixed plate and a fixed cap, and the plug valve rod and the plug valve body are conveniently locked through the arrangement of the locking mechanism so as to prevent the plug valve rod from being self-opened or self-closed;

2. The plug valve body is convenient to butt joint with an external conveying pipeline through the arrangement of the connecting disc, and the plug valve body can be further protected by combining the protective cover to cover the outer side of the plug valve rod;

3. The movable frame drives the fixed column to be clamped at the lower end of the connecting groove, so that the protection cover and the plug valve body are limited, and meanwhile, the protection cover is convenient to detach when the plug valve rod and the plug valve body are controlled manually, and the use is very convenient.

Drawings

FIG. 1 is a schematic view of the front cut-away structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the overall structure of the locking mechanism of the present utility model;

FIG. 4 is a schematic diagram showing the front view of the connection between the movable frame and the fixed column;

Fig. 5 is a schematic diagram of the overall structure of the connection of the fixed block, the plug valve body and the connecting disc.

In the figure: 1. a plug valve body; 2. a connecting disc; 3. a plug valve rod; 4. a locking mechanism; 5. a fixed rod; 6. a movable plate; 7. a fixing groove; 8. a fixing plate; 9. a fixing cap; 10. a fixed block; 11. a protective cover; 12. a movable frame; 13. a spring; 14. fixing the column; 15. and a connecting groove.

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, the present utility model provides a technical solution: a manual plug valve comprises a plug valve body 1, a connecting disc 2, a plug valve rod 3, a locking mechanism 4, a fixed rod 5, a movable plate 6, a fixed groove 7, a fixed plate 8, a fixed cap 9, a fixed block 10, a protective cover 11, a movable frame 12, a spring 13, a fixed column 14 and a connecting groove 15.

When the manual plug valve is used, as shown in fig. 1 and 5, the left side and the right side of the lower end of the plug valve body 1 are respectively provided with a connecting disc 2, the plug valve body 1 and a pipeline for conveying are in butt joint installation through the connecting disc 2 and an external bolt, meanwhile, in the use process, through the arrangement of the locking mechanism 4, the locking mechanism 4 is symmetrically arranged at the left end and the right end of the plug valve rod 3, so that the plug valve rod 3 and the plug valve body 1 are convenient to limit, the plug valve rod 3 is prevented from being mistakenly bumped or misoperation in a non-use state, the plug valve rod 3 is prevented from rotating to cause the plug valve body 1 to be self-opened or self-closed, the normal use of the plug valve body 1 is influenced, in addition, the plug valve body 1 is covered on the outer side of the plug valve rod 3 by combining a protective cover 11, the protective cover 11 is clamped at the upper end of the plug valve body 1, the plug valve rod 3 can further have the limiting protection effect, and the practicability is high;

When the manual rotation operation between the plug valve rod 3 and the plug valve body 1 is required, as shown in fig. 2, 3 and 4, firstly, by pressing the movable frame 12, the movable frame 12 slides at the lower end of the protective cover 11, and the movable frame 12 and the fixed column 14 are connected through bolts, the movable frame 12 extrudes the spring 13, so that the spring 13 is elastically deformed, the movable frame 12 drives the fixed column 14 to move towards one side close to the vertical central axis of the plug valve body 1, the fixed column 14 loosens the limit between the plug valve body 1 and the protective cover 11, then the protective cover 11 is pulled upwards, the protective cover 11 drives the fixed column 14 to be pulled out from the connecting groove 15, so that the protective cover 11 is convenient to detach from the upper end of the plug valve body 1, and the locking mechanism 4 comprises a fixed rod 5 fixedly connected at the left side and the right side of the upper end of the plug valve rod 3, a movable plate 6 for limiting, a fixed groove 7 arranged in the middle of the movable plate 6, a fixed plate 8 with an L-shaped structure, and a fixed cap 9 with a locking function;

The fixing cap 9 is connected to the outer surface of the fixing rod 5 through rotation threads, the fixing cap 9 is detached from the outer side of the fixing rod 5, the fixing cap 9 loosens the limit of the fixing plate 8, then the fixing plate 8 is pulled outwards, the fixing plate 8 and the fixing rod 5 are separated, the lower end of the fixing plate 8 is separated from the fixing groove 7, further the limit of the movable plate 6 and the fixing rod 5 is loosened, then the movable plate 6 is turned outwards, the upper end of the fixing block 10 is rotated, the movable plate 6 and the fixing rod 5 are separated, the fixing of the fixing rod 5 is loosened, further the locking between the counter-rotating plug valve rod 3 and the plug valve body 1 is loosened, the opening or closing operation of the counter-rotating plug valve body 1 is achieved through rotation of the plug valve rod 3, meanwhile after the operation is completed, the counter-rotating operation is performed on the counter-rotating plug valve rod 3 and the plug valve body 1 again, and self-opening or self-closing is prevented from being generated under the unused state, and the practicability is high.

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

Claims

1. A manual plug valve comprises a plug valve body (1), connecting discs (2) fixedly connected to the left side and the right side of the lower end of the plug valve body (1) and a plug valve rod (3) rotatably arranged at the upper end of the plug valve body (1);

Characterized by further comprising:

The locking mechanisms (4) are symmetrically arranged at the left end and the right end of the plug valve rod (3), and the locking mechanisms (4) are used for locking and fixing the plug valve rod (3) and the plug valve body (1);

The protective cover (11) is arranged on the outer side of the plug valve rod (3) in a covering mode, the protective cover (11) is mounted at the upper end of the plug valve body (1) in a clamping mode, and the protective cover (11) and the plug valve body (1) are limited through the fixing columns (14);

Wherein, the protective cover (11) forms a dismounting structure at the upper end of the plug valve body (1) through the fixed column (14).

2. A manual plug valve according to claim 1, wherein: the locking mechanism (4) comprises a fixed rod (5) fixedly connected to the left side and the right side of the upper end of the plug valve rod (3), a movable plate (6) used for limiting, a fixed groove (7) formed in the middle of the movable plate (6), a fixed plate (8) with an L-shaped structure and a fixed cap (9) with a locking function.

3. A manual plug valve according to claim 2, wherein: the movable plate (6) is hinged to the upper end of the fixed block (10), the movable plate (6) forms a turnover structure on the side face of the plug valve body (1), and the fixed block (10) is fixedly connected to the left side and the right side of the upper end of the plug valve body (1) respectively.

4. A manual plug valve according to claim 3 wherein: the movable plate (6) is connected with the fixed rod (5) through a clamping groove, the fixed rod (5) is inserted into the upper end of the fixed plate (8), and the lower end of the fixed plate (8) is clamped and connected in the fixed groove (7).

5. The manual plug valve according to claim 4, wherein: the side of the fixing plate (8) is attached to the fixing cap (9), and the fixing cap (9) is connected to the outer surface of the fixing rod (5) in a threaded mode.

6. A manual plug valve according to claim 1, wherein: the left side and the right side of the lower end of the protective cover (11) are both connected with a movable frame (12) in a sliding manner, a spring (13) is arranged between the movable frame (12) and the protective cover (11), and one side, close to the plug valve body (1), of the movable frame (12) is fixedly connected with a fixed column (14) through a bolt.

7. The manual plug valve according to claim 6, wherein: the movable frame (12) drives the fixed column (14) to be connected with the lower end of the connecting groove (15) in a clamping mode, and the connecting groove (15) is respectively arranged on the left side and the right side of the middle of the plug valve body (1).