CN212928830U

CN212928830U - Sealing ball valve sealing device

Info

Publication number: CN212928830U
Application number: CN202021363210.4U
Authority: CN
Inventors: 董建华
Original assignee: Beijing Paijie Dingsheng Wisdom Water Technology Co ltd
Current assignee: Beijing Paijie Dingsheng Wisdom Water Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-09
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a ball sealer sealing device, including disk seat, ball core and valve rod, the both ends of disk seat are passed through the flange and are connected with outside feed liquor pipe and drain pipe respectively, the disk seat is close to the interior week of feed liquor pipe one end and has seted up puts the thing groove, and the disk seat is close to the interior week integrated into one piece that puts thing groove one end and has the thing piece of putting of two sets of symmetries, puts the center in thing groove and is equipped with and filters the piece, the center of disk seat is equipped with the ball core, and the interior week of first one of disk seat and lower half has all seted up the spacing groove, the bottom integrated into one piece of ball core has the pivot of being connected with the disk seat rotation, the periphery of ball core is equipped with two sets of locating parts, the fixed welding in top of disk seat has well cavity post, and the center of well cavity post is. The sealing ball valve sealing device can reduce the possibility of blockage and improve the use stability.

Description

Sealing ball valve sealing device

Technical Field

The utility model belongs to the technical field of the ball valve, concretely relates to sealed ball valve sealing device.

Background

The ball valve is a valve in which an opening and closing part (a ball body) is driven by a valve rod and rotates around the axis of the ball valve, and can be used for regulating and controlling fluid. The ball valve is divided into: pneumatic ball valves, electric ball valves, and manual ball valves. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. The ball valve is most suitable for being used as a switch and a stop valve. In China, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. The existing sealing ball valve sealing device is single in structure and easy to block in a long-time use process.

Therefore, in order to meet the current situation, the design and production of a sealing ball valve sealing device are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball sealer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing device of a sealing ball valve comprises a valve seat, a ball core and a valve rod, wherein two ends of the valve seat are respectively connected with an external liquid inlet pipe and an external liquid outlet pipe through flanges, sealing rings are embedded between the two ends of the valve seat and the liquid inlet pipe and between the two ends of the valve seat and the liquid outlet pipe, an object placing groove is formed in the inner periphery of one end, close to the liquid inlet pipe, of the valve seat, two groups of symmetrical object placing blocks are integrally formed in the inner periphery of one end, close to the object placing groove, of the valve seat, and a filtering piece connected with the object;

the center of the valve seat is provided with a ball core, the inner peripheries of the upper half part and the lower half part of the valve seat, which are close to the ball core, are provided with annular limiting grooves, the center of the bottom of the ball core is integrally formed with a rotating shaft, the rotating shaft is rotatably connected with the valve seat through a welded bearing seat, and the peripheries of the upper half part and the lower half part of the ball core are provided with limiting parts connected with the corresponding limiting grooves;

the center fixed welding at disk seat top has well cavity post, and the center of well cavity post is equipped with bottom and the fixed welded valve rod in core top, the top fixed welding of valve rod has the handle, and is equipped with the retaining member between the periphery of handle and well cavity post.

Preferably, filter including putting thing seat and filter screen, the center of putting the thing seat is equipped with the filter screen, and puts the both sides that the thing seat is close to the filter screen and all seted up vertical spread groove, the filter screen periphery is close to the both sides of vertical spread groove and has all seted up horizontal spread groove, and two sets of horizontal spread grooves respectively with the vertical spread groove intercommunication that corresponds, the interior week of two sets of horizontal spread grooves and two sets of vertical spread grooves all with the corresponding periphery looks adaptation of putting the thing piece.

Preferably, the limiting part comprises a limiting plate and balls, the inner periphery of the limiting plate is fixedly welded with the outer periphery of the ball core, the limiting plate is in joggle joint with the corresponding limiting groove, a plurality of groups of balls distributed in an annular array are arranged between the outer periphery of the limiting plate far away from the ball core and the inner periphery of the corresponding limiting groove, and the outer periphery of the limiting plate is provided with a rolling track matched with the balls.

Preferably, the retaining member includes fixed plate and backup pad, the side of fixed plate and the side fixed weld of handle, and the center of fixed plate bores and is equipped with the through-hole, the below of fixed plate is equipped with two sets ofly about cavity post vertically backup pad, and the side of two sets of backup pads all with the fixed weld in periphery of cavity post, two sets of all bore in the backup pad be equipped with the supported hole of through-hole looks adaptation, wherein the interior week in a set of supported hole is equipped with the fastener that passes the through-hole.

Preferably, the opening has been seted up at the center of ball core, and the interior week of opening and the interior week of putting the thing seat of filtering all with the interior week looks adaptation of disk seat.

The utility model discloses a technological effect and advantage: the sealing device of the sealing ball valve is characterized in that the object placing seat is connected with the valve seat by clamping the object placing block with the longitudinal connecting groove, and the object placing seat is rotated to clamp the object placing block with the transverse connecting groove, so that the object placing seat is convenient to disassemble, and the possibility of blockage of the ball core in the long-time use process is reduced by the filtering action of the filter screen; the valve rod drives the ball core to rotate by rotating the handle, so that the opening and closing of the ball core are conveniently adjusted, and meanwhile, the fixing plate is connected with the corresponding supporting plate through the fastening piece, so that the possibility that the adjusted handle deviates due to external force is reduced; through limiting plate and the spacing groove joggle that corresponds, carry on spacingly to the ball core of adjustment in-process, improve the stability of ball core at rotatory in-process, simultaneously through ball and rolling track looks adaptation, conveniently rotate the ball core, this ball sealer can reduce the possibility that takes place to block up, can improve the stability of using simultaneously.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention in use;

fig. 3 is a schematic structural view of the filter member of the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 2 according to the present invention.

In the figure: 1 disk seat, 2 ball cores, 3 valve rods, 4 flanges, 5 filter pieces, 6 locating parts, 7 hollow columns, 8 handles, 9 locking parts, 10 object placing seats, 11 filter screens, 12 limiting plates, 13 balls, 14 fixing plates and 15 supporting plates.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a sealing ball valve sealing device as shown in figures 1-4, which comprises a valve seat 1, a ball core 2 and a valve rod 3, wherein two ends of the valve seat 1 are respectively connected with an external liquid inlet pipe and an external liquid outlet pipe through flanges 4, sealing rings are embedded between two ends of the valve seat 1 and the liquid inlet pipe and between two ends of the valve seat 1 and the liquid outlet pipe, the sealing property of the connection between the liquid inlet pipe and the liquid outlet pipe of the valve seat 1 is improved through the sealing rings, an object placing groove is arranged at the inner periphery of one end of the valve seat 1 close to the liquid inlet pipe, two groups of symmetrical object placing blocks are integrally formed at the inner periphery of one end of the valve seat 1 close to the object placing groove, and a filtering piece;

the center of the valve seat 1 is provided with a ball core 2, the inner peripheries of the upper half part and the lower half part of the valve seat 1, which are close to the ball core 2, are provided with annular limiting grooves, the center of the bottom of the ball core 2 is integrally formed with a rotating shaft, the rotating shaft is rotatably connected with the valve seat 1 through a welded bearing seat, and the peripheries of the upper half part and the lower half part of the ball core 2 are provided with limiting parts 6 connected with the corresponding limiting grooves;

the center fixed welding at 1 top of disk seat has well hollow column 7, and the center of well hollow column 7 is equipped with bottom and 2 top fixed welded valve rod 3 of core, the top fixed welding of valve rod 3 has handle 8, and is equipped with retaining member 9 between the periphery of handle 8 and well hollow column 7.

Specifically, the filtering element 5 comprises a storage seat 10 and a filtering screen 11, the filtering screen 11 is arranged at the center of the storage seat 10, the possibility of blocking of the ball core 2 in the long-time use process is reduced through the filtering function of the filtering screen 11, the two sides of the storage seat 10 close to the filtering screen 11 are respectively provided with a longitudinal connecting groove, the two sides of the periphery of the filtering screen 11 close to the longitudinal connecting grooves are respectively provided with a transverse connecting groove, the two groups of transverse connecting grooves are respectively communicated with the corresponding longitudinal connecting grooves, the inner peripheries of the two groups of transverse connecting grooves and the two groups of longitudinal connecting grooves are respectively matched with the outer periphery of the corresponding storage block, the storage seat 10 is connected with the valve seat 1 through the clamping of the storage block and the longitudinal connecting grooves, the storage seat 10 is rotated along the direction of the transverse connecting grooves, the storage block is clamped with the transverse connecting grooves, thereby the installation process of the storage seat 10 is completed, the two sides of the storage, so as to improve the stability of the connection between the object placing seat 10 and the valve seat 1.

Specifically, locating part 6 includes limiting plate 12 and ball 13, the fixed welding of the interior week of limiting plate 12 and the periphery of core 2, and limiting plate 12 and the spacing groove joggle that corresponds, limiting plate 12 is kept away from and is equipped with the ball 13 that the multiunit is the annular array and distributes between the interior week of the periphery of core 2 and the spacing groove that corresponds of core 12, and the periphery of limiting plate 12 set up with the rolling track of ball 13 looks adaptation, through limiting plate 12 and the spacing groove joggle that corresponds, carry on spacingly to core 2 in the adjustment process, improve the stability of core 2 in rotatory in-process, simultaneously through ball 13 and rolling track looks adaptation, conveniently rotate core 2.

Specifically, the locking member 9 includes a fixing plate 14 and a supporting plate 15, the side of the fixing plate 14 is fixedly welded to the side of the handle 8, a through hole is drilled in the center of the fixing plate 14, two groups of supporting plates 15 perpendicular to the hollow column 7 are arranged below the fixing plate 14 (generally, the ball core 2 can be regulated and controlled by rotating ninety degrees, so the two groups of supporting plates 15 are perpendicular to each other), the side of each group of supporting plates 15 is fixedly welded to the outer periphery of the hollow column 7, supporting holes matched with the through hole are drilled in the two groups of supporting plates 15, a fastening member (a bolt and a matched nut can be selected according to actual requirements) penetrating through the through hole is arranged on the inner periphery of one group of the supporting holes, when the valve rod 3 needs to be opened, the handle 8 is rotated, the ball core 2 is driven to rotate by the valve rod 3, the through hole of the ball core 2 is communicated with the inner periphery of the valve, the opening processing is completed, and when the closing is needed, the operation is reversed in the same way.

Specifically, the opening has been seted up at the center of core 2, and the interior week of opening and filter 5 put the interior week of seat 10 all with the interior week looks adaptation of disk seat 1, carry out opening and closing control through the intercommunication state of opening and disk seat 1 interior week.

The theory of operation, this ball sealer valve sealing device, when needing to use, through putting thing piece and vertical spread groove joint, make and put thing seat 10 and disk seat 1 and be connected, simultaneously put thing seat 10 along the direction rotation of horizontal spread groove, make and put thing piece and horizontal spread groove joint, thereby the installation that puts thing seat 10 is accomplished is handled, the installation is accomplished the back, through the flange with the both ends of disk seat 1 respectively with outside feed liquor pipe and drain pipe connection, connect the completion back, can use, in the use, when needing to open, rotate handle 8, it is rotatory to drive ball core 2 by valve rod 3, make the opening of ball core 2 and the interior week intercommunication of disk seat 1, be connected fixed plate 14 with the backup pad 15 that corresponds through the fastener simultaneously, accomplish promptly and open the processing, when needing to close, the same principle reverse operation can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a ball sealer of sealing valve, includes disk seat (1), ball core (2) and valve rod (3), its characterized in that: the two ends of the valve seat (1) are respectively connected with an external liquid inlet pipe and an external liquid outlet pipe through flanges (4), sealing rings are embedded between the two ends of the valve seat (1) and the liquid inlet pipe and between the two ends of the valve seat (1) and the liquid outlet pipe, an article placing groove is formed in the inner periphery of one end, close to the liquid inlet pipe, of the valve seat (1), two groups of symmetrical article placing blocks are integrally formed in the inner periphery of one end, close to the article placing groove, of the valve seat (1), and a filtering piece (5) connected with the article placing blocks is arranged;

the center of the valve seat (1) is provided with a ball core (2), the inner peripheries of the upper half part and the lower half part of the valve seat (1), which are close to the ball core (2), are provided with annular limiting grooves, the center of the bottom of the ball core (2) is integrally formed with a rotating shaft, the rotating shaft is rotatably connected with the valve seat (1) through a welded bearing seat, and the peripheries of the upper half part and the lower half part of the ball core (2) are provided with limiting parts (6) connected with the corresponding limiting grooves;

the center fixed welding at disk seat (1) top has well hollow column (7), and the center of well hollow column (7) is equipped with bottom and ball core (2) top fixed welding's valve rod (3), the top fixed welding of valve rod (3) has handle (8), and is equipped with retaining member (9) between the periphery of handle (8) and well hollow column (7).

2. A sealing ball valve seal assembly as defined in claim 1, wherein: filter piece (5) including putting thing seat (10) and filter screen (11), the center of putting thing seat (10) is equipped with filter screen (11), and puts thing seat (10) both sides that are close to filter screen (11) and all seted up vertical spread groove, horizontal spread groove has all been seted up to the both sides that filter screen (11) periphery is close to vertical spread groove, and two sets of horizontal spread groove respectively with the vertical spread groove intercommunication that corresponds, the interior week of two sets of horizontal spread grooves and two sets of vertical spread groove all with the corresponding periphery looks adaptation of putting the thing piece.

3. A sealing ball valve seal assembly as defined in claim 1, wherein: the limiting part (6) comprises a limiting plate (12) and balls (13), the inner periphery of the limiting plate (12) is fixedly welded with the outer periphery of the ball core (2), the limiting plate (12) is in joggle joint with the corresponding limiting groove, a plurality of groups of balls (13) distributed in an annular array are arranged between the outer periphery of the limiting plate (12) far away from the ball core (2) and the inner periphery of the corresponding limiting groove, and a rolling track matched with the balls (13) is arranged on the outer periphery of the limiting plate (12).

4. A sealing ball valve seal assembly as defined in claim 1, wherein: retaining member (9) are including fixed plate (14) and backup pad (15), the side of fixed plate (14) and the side fixed weld of handle (8), and the center of fixed plate (14) bores and is equipped with the through-hole, the below of fixed plate (14) is equipped with two sets ofly about well hollow column (7) vertically backup pad (15), and the side of two sets of backup pads (15) all with the fixed weld in periphery of well hollow column (7), two sets ofly all bore on backup pad (15) and be equipped with the support hole with through-hole looks adaptation, wherein the interior week in a set of support hole is equipped with the fastener that passes the through-hole.

5. A sealing ball valve seal assembly as defined in claim 1, wherein: the opening has been seted up at the center of ball core (2), and the interior week of opening and the interior week of putting thing seat (10) of filtering piece (5) all with the interior week looks adaptation of disk seat (1).