Special deslagging ball valve for drainer

Abstract

The utility model discloses a special deslagging ball valve for a drainer, which comprises a valve body assembly, two groups of valve seat assemblies capable of being automatically adjusted are arranged in the valve body assembly, a ball body is arranged between the two groups of valve seat assemblies, a control assembly is arranged at the top of the ball body, and the valve body assembly comprises a valve body. The ball valve comprises a valve body and a valve seat assembly, one end of the valve body is connected with a valve cover in a sealed and bolted mode, a group of cavity grooves are formed in the valve body and the valve cover, and the valve seat assembly comprises two groups of fixing seats fixedly installed on the inner side walls of the cavity grooves. The effects of opening and closing the ball valve are achieved through rotation of the ball body, when gaps between the movable seats and the surface of the ball body are enlarged due to abrasion, the multiple movable rods can automatically extrude the two movable seats to be tightly attached to the surface of the ball body, the effect that the valve seat assembly and the ball body are always kept in an attached sealing mode is achieved, and the service life of the ball valve is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drainage device, concretely relates to special ball valve of drainage device. BACKGROUND

[0002] ‌Ball valve is a kind of special ball valve, mainly used for cutting off or connecting the medium such as ash water mixture, slag water mixture in pipeline, the design and manufacturing standard of ball valve is usually followed relevant industry standard and specification, ensure that it can run stably under the harsh working environment. Its key components include valve body, valve seat, ball and operating mechanism etc., the size and direction of flow are controlled by rotating ball.‌

[0003] The existing ball valve generally realizes the sealing effect of opening and closing by the compaction fit between valve seat and ball, with the long-time use of ball valve, the abrasion between valve seat and ball due to friction causes certain wear, the fit between valve seat and ball is more and more relaxed, leading to the situation that medium is discharged from the outside of ball, at this time, ball valve cannot realize the effect of high-efficiency interception of medium, needs to replace ball valve, seriously reduces the service life of ball valve, therefore we need to propose special ball valve of drainage device. SUMMARY

[0004] The utility model discloses a special ball valve of drainage device, through the setting of valve seat assembly, utilize the connecting relationship between two groups of fixed seat, several groups of moving link, two groups of moving seat and ball, realize the effect of ball valve opening and closing through the rotation of ball, when the gap between moving seat and ball surface due to abrasion is big, several groups of moving link will automatically extrude two groups of moving seat and make it tightly fit with the surface of ball, realize the effect that valve seat assembly and ball always keep fit sealing, utilize to solve the problem proposed in above background art.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: special ball valve of drainage device, including valve body assembly, the inside of valve body assembly is installed with two groups of automatically regulated valve seat assembly, two groups of valve seat assembly are installed with ball, the top of ball is installed with control assembly, the valve body assembly includes valve body, the one end of valve body is sealed and is connected with valve cover, the inside of valve body and valve cover forms a group of cavity groove, the valve seat assembly includes two groups of fixed seat that are fixedly installed in the inner side wall of cavity groove, two groups of fixed seat are movably installed with several groups of automatically regulated moving link in the inside, one end of several groups of moving link is penetrated to one side of fixed seat, and one end of several groups of moving link is commonly installed with two groups of moving seat, and the bottom of two groups of fixed seat and two groups of moving seat is sealed and fit with the outer arc surface of ball.

[0006] Preferably, the interiors of the two groups of fixing bases are provided with a plurality of groups of sliding grooves, the interiors of the plurality of groups of sliding grooves are slidably provided with a group of limiting plates, one end of the plurality of groups of limiting plates is fixedly connected with one end of a group of moving rods, the other end of the plurality of groups of limiting plates is fixedly welded with a group of springs, and one end of the plurality of groups of springs is respectively fixedly welded in the interiors of the plurality of groups of sliding grooves.

[0007] Preferably, one end of the valve body and the valve cover is fixedly provided with a group of flange plates, and the top of the valve body is communicatively provided with a filling function.

[0008] Preferably, the interior of the ball is provided with a drain hole in a penetrating manner, and the inlet and outlet of the drain hole are respectively communicated with the interiors of the valve body and the valve cover when the ball valve is opened.

[0009] Preferably, the bottom of the ball is rotatably provided with a rotating seat, and the bottom of the rotating seat is fixedly installed on the bottom of the cavity groove.

[0010] Preferably, the control assembly comprises a valve rod fixedly installed on the top of the ball, the outer arc surface of the valve rod is sequentially rotatably provided with a sealing bearing, a filling material and a gland, and the outer arc surfaces of the sealing bearing, the filling material and the gland are attached to the inner side wall of the filling function.

[0011] Preferably, the top of the valve rod penetrates to the top of the filling function, and the top of the valve rod is fixedly provided with a rotating disc.

[0012] Compared with the prior art, the ball valve has the advantages that:

[0013] The valve seat assembly is provided, the connection relationship between the two groups of fixing bases, the plurality of groups of moving rods, the two groups of moving seats and the ball is utilized, the ball is rotated to realize the opening and closing effect of the ball valve, when the moving seat and the surface of the ball are worn and the gap is enlarged, the plurality of groups of moving rods will automatically extrude the two groups of moving seats to tightly attach to the surface of the ball, the always-attached sealing effect between the valve seat assembly and the ball is realized, and the service life of the ball valve is improved.

[0014] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the present application;

[0016] Figure 2 It is a ball installation structure schematic view of the present application;

[0017] Figure 3 It is the rotating seat installation structure schematic view of the utility model;

[0018] Figure 4 It is the valve seat assembly installation structure schematic view of the utility model.

[0019] In the drawing: 1, valve body assembly;11, valve body;12, valve cover;13, flange plate;14, filling function;15, cavity groove;2, valve seat assembly;21, fixed seat;22, sliding groove;23, limit plate;24, spring;25, moving rod;26, moving seat;3, ball;4, drain hole;5, rotating seat;6, control assembly;61, valve rod;62, sealing bearing;63, filling material;64, gland;65, rotating disc. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides the special ball valve of drainage, including valve body assembly 1, two groups of valve seat assembly 2 that can be automatically adjusted are installed in the inside of valve body assembly 1, and the ball 3 is installed between two groups of valve seat assembly 2, the top of ball 3 is installed with control assembly 6, valve body assembly 1 includes valve body 11, and the valve cover 12 is sealed and is connected with one end of valve body 11, and the inside of valve body 11 and valve cover 12 forms a group of cavity grooves 15, valve seat assembly 2 includes two groups of fixed seat 21 that are fixedly installed in the inside wall of cavity groove 15, and several groups of movable rod 25 that can be automatically adjusted are movably installed in the inside of two groups of fixed seat 21, and one end of several groups of movable rod 25 is penetrated to one side of fixed seat 21, and one end of several groups of movable rod 25 is commonly installed with two groups of moving seat 26, and the bottom of two groups of fixed seat 21 and two groups of moving seat 26 is sealed and is attached to the outer arc surface of ball 3.

[0022] When using, start control assembly 6 and control ball 3 to rotate, realize the effect of opening and closing of ball valve through the rotation of ball 3, when the gap between moving seat 26 and the surface of ball 3 becomes larger due to wear, through the setting of valve seat assembly 2, the connection relationship between two groups of fixed seat 21, several groups of movable rod 25, two groups of moving seat 26 and ball 3, several groups of movable rod 25 will automatically extrude two groups of moving seat 26 to make them closely attached to the surface of ball 3, realize the effect that valve seat assembly 2 and ball 3 always keep close sealing, ensure the effect of medium interception when ball valve is closed.

[0023] The interiors of the two groups of fixing bases 21 are provided with a plurality of groups of sliding grooves 22, the interiors of the plurality of groups of sliding grooves 22 are slidably provided with a group of limiting plates 23, one end of the plurality of groups of limiting plates 23 is fixedly connected with one end of a group of moving rods 25, the other end of the plurality of groups of limiting plates 23 is fixedly welded with a group of springs 24, one end of the plurality of groups of springs 24 is respectively fixedly welded in the interiors of the plurality of groups of sliding grooves 22, by the connecting relationship between the fixing base 21, the sliding groove 22, the moving rod 25, the limiting plate 23, the spring 24 and the moving base 26, the spring 24 always generates a force on the limiting plate 23 in the interior of the sliding groove 22, so that the limiting plate 23 always exists a force to push the moving base 26 to move outward, the moving rod 25 pushes the moving base 26 to adhere to the surface of the sphere 3, so as to realize the effect that the moving base 26 is always closely adhered to the surface of the sphere 3, and meanwhile the limiting plate 23 slides in the interior of the sliding groove 22, so as to improve the stability of the moving rod 25.

[0024] One end of the valve body 11 and the valve cover 12 is fixedly provided with a group of flange plates 13, by the setting of the flange plate 13, the butt joint between the ball valve and the pipeline is facilitated, the top of the valve body 11 is in communication and is provided with a filling function 14, by the setting of the filling function 14, the use and installation of the valve rod 61 are facilitated.

[0025] The interior of the sphere 3 is provided with a drain hole 4, when the ball valve is opened, the inlet and outlet of the drain hole 4 are respectively communicated with the interiors of the valve body 11 and the valve cover 12, by the setting of the drain hole 4, the drain function when the ball valve is opened is realized.

[0026] The bottom of the sphere 3 is rotatably provided with a rotating base 5, the bottom of the rotating base 5 is fixedly installed at the bottom of the cavity groove 15, by the connecting relationship between the sphere 3, the rotating base 5 and the cavity groove 15, the stability of the sphere 3 rotating in the interior of the cavity groove 15 is improved.

[0027] The control assembly 6 comprises a valve rod 61 fixedly installed at the top of the sphere 3, the outer arc surface of the valve rod 61 is in turn rotatably provided with a sealing bearing 62, a filling material 63, a gland 64, the outer arc surface of the sealing bearing 62, the filling material 63 and the gland 64 is adhered to the inner side wall of the filling function 14, by the connecting relationship between the valve rod 61, the sealing bearing 62, the filling material 63, the gland 64 and the filling function 14, the sealing property of the ball valve is improved while the valve rod 61 rotates.

[0028] The top of the valve rod 61 penetrates to the top of the filling function 14, and the top of the valve rod 61 is fixedly provided with a rotating disc 65, by the setting of the rotating disc 65, the effect that the rotating disc 65 rotates to drive the sphere 3 to rotate is realized, so as to realize the effect of opening and closing the ball valve.

[0029] Specific use: for example Figure 2The ball 3 is in the open state, and the medium is continuously discharged through the valve body 11, the drain hole 4 and the valve cover 12; when the ball valve needs to be closed, the rotating disc 65 is rotated by 90 degrees to drive the ball 3 to rotate, at this time the drain hole 4 is hidden to the two sides of the valve body 11, the effect of closing the ball valve is realized; when the moving seat 26 is worn with the surface of the ball 3, through the arrangement of the valve seat assembly 2, the connection relationship between the two groups of fixed seats 21, the plurality of groups of moving rods 25, the two groups of moving seats 26 and the ball 3, the plurality of groups of moving rods 25 will automatically extrude the two groups of moving seats 26 to make them tightly fit with the surface of the ball 3, the effect that the valve seat assembly 2 and the ball 3 always keep close sealing is realized, and the use efficiency of the ball valve is improved.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ball valve for the exclusive use of a drain, characterized in that: The utility model provides a kind of valve body assembly (1), the inside of the valve body assembly (1) is equipped with two groups of automatically adjustable valve seat assembly (2), and ball (3) is installed between two groups of the valve seat assembly (2), and the top of the ball (3) is equipped with control assembly (6); The valve body assembly (1) includes a valve body (11), one end of the valve body (11) is sealed and bolted with a valve cover (12), and the inside of the valve body (11) and the valve cover (12) forms a group of cavity grooves (15); The valve seat assembly (2) includes two groups of fixed seats (21) fixedly installed on the inner side wall of the cavity groove (15), and a plurality of groups of movable rods (25) automatically adjustable are movably installed in the inside of the two groups of fixed seats (21), one end of the plurality of groups of movable rods (25) penetrates to one side of the fixed seat (21), and one end of the plurality of groups of movable rods (25) is commonly provided with two groups of moving seats (26), and the bottom of the two groups of fixed seats (21) and the two groups of moving seats (26) are sealed and attached to the outer arc surface of the ball (3).

2. The ball valve for the drainer dedicated to the removal of the residue according to claim 1, characterized in that: A plurality of groups of sliding grooves (22) are formed in the inside of the two groups of fixed seats (21), and a group of limit plates (23) are slidably installed in the inside of the plurality of groups of sliding grooves (22), one end of the plurality of groups of limit plates (23) is fixedly connected with one end of a group of movable rods (25), the other end of the plurality of groups of limit plates (23) is fixedly welded with a group of springs (24), and one end of the plurality of groups of springs (24) is respectively fixedly welded in the inside of the plurality of groups of sliding grooves (22).

3. The drain ball valve dedicated to a drain according to claim 1, characterized in that: One end of the valve body (11) and the valve cover (12) is fixedly provided with a group of flanges (13), and the top of the valve body (11) is communicated and installed with a filling function (14).

4. The drain ball valve dedicated to a drain according to claim 1, characterized in that: A drain hole (4) is formed in the inside of the ball (3) in a penetrating manner, and the inlet and outlet of the drain hole (4) are communicated in the inside of the valve body (11) and the valve cover (12) when the ball valve is opened.

5. The drain ball valve dedicated to a drain according to claim 1, characterized in that: A rotating seat (5) is rotatably installed at the bottom of the ball (3), and the bottom of the rotating seat (5) is fixedly installed at the bottom of the cavity groove (15).

6. The drain ball valve dedicated to a drain according to claim 1, characterized in that: The control assembly (6) includes a valve rod (61) fixedly installed at the top of the ball (3), and a sealing bearing (62), a filling material (63), and a gland (64) are rotatably sleeved on the outer arc surface of the valve rod (61) in sequence, and the outer arc surface of the sealing bearing (62), the filling material (63), and the gland (64) is attached to the inner side wall of the filling function (14).

7. A ball valve for a drain dedicated to draining of slag according to claim 6, characterized in that: The top of the valve rod (61) penetrates to the top of the filling function (14), and a rotating disc (65) is fixedly installed at the top of the valve rod (61).

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