CN216768435U - Ball valve with detachable valve seat - Google Patents

Abstract

The utility model discloses a ball valve with a detachable valve seat, which comprises a valve pipe and a valve cavity, wherein two sides of the valve cavity are respectively and fixedly connected with a group of valve pipes, the top end of the valve cavity is movably connected with a valve seat body, the interior of the valve cavity is movably connected with a valve core, and the top end of the valve seat body is fixedly connected with a limiting tooth groove. This disk seat detachable ball valve is through being provided with the case, the location axle, ball and kerve, when using this ball valve, when the turning handle that rotates the top passes through the connecting axle and drives the case rotation, the location axle of the inside bottom of valve pocket passes through the kerve and the case is spacing, thereby stability when improving case pivoted, and the ball of location axle top can be when the case rotates, improve case pivoted smoothness nature, the stability when having realized can improving the case rotation, prevent that the case from appearing the skew and influencing the inside leakproofness of valve pocket, the problem of the case stability when opening and close in the valve body is not enough is solved.

Description

Ball valve with detachable valve seat

Technical Field

The utility model relates to the technical field of ball valves, in particular to a ball valve with a detachable valve seat.

Background

The ball valve is a very common opening and closing member, has long service life, the advantage such as stability height, use more often in fluid or some small particle material's transportation work, but present most ball valve in use still has some defects, case stability in the valve body is not enough when opening and close, easily lead to inside leakproofness to receive the influence, and when long-time use leads to the case wearing and tearing, can not be convenient maintain and change the case, also can not avoid appearing the mistake and touch the phenomenon, so need a neotype disk seat detachable ball valve now and solve above not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ball valve with a detachable valve seat, which aims to solve the problem of insufficient stability of a valve core in a valve body during opening and closing in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a ball valve with a detachable valve seat comprises a valve pipe and a valve cavity, wherein two sides of the valve cavity are respectively and fixedly connected with a group of valve pipes, the top end of the valve cavity is movably connected with a valve seat body, the interior of the valve cavity is movably connected with a valve core, and the top end of the valve seat body is fixedly connected with a limiting tooth groove;

the bottom end of the interior of the valve cavity is fixedly connected with a positioning shaft, the top end of the positioning shaft is movably connected with a ball, the bottom end of the valve core is provided with a bottom groove, and the ball and the bottom groove form movable connection.

Preferably, the center line of the valve cavity and the center line of the positioning shaft are on the same vertical plane, and the center line of the valve core and the center line of the bottom groove are on the same vertical plane.

Preferably, the outside fixedly connected with mounting disc of disk seat body, the outside bottom fixedly connected with sealing washer of disk seat body, the top swing joint of mounting disc has the multiunit fixing bolt, fixing bolt runs through the mounting disc and constitutes swing joint with the valve pocket.

Preferably, the valve cavity and the sealing ring are movably connected, and the valve cavity and the mounting disc are movably connected.

Preferably, the inside swing joint of disk seat body has the connecting axle, the multiunit draw-in groove has been seted up to the outside of connecting axle, the top fixedly connected with baffle of connecting axle, the inside swing joint of spacing tooth's socket has limit gear, limit gear's top fixedly connected with turning handle, the cross through-hole has been seted up on limit gear's top, the cross through-hole constitutes swing joint with the draw-in groove.

Preferably, the central line of the valve core and the central line of the connecting shaft are on the same vertical plane, and the valve core and the connecting shaft are fixedly connected.

Compared with the prior art, the utility model has the beneficial effects that: the ball valve with the detachable valve seat not only realizes the improvement of the stability of the valve core and the disassembly of the valve seat, but also realizes the prevention of misoperation;

(1) when the ball valve is used, the rotating handle at the top end is rotated to drive the valve core to rotate through the connecting shaft, the positioning shaft at the bottom end in the valve cavity is limited with the valve core through the bottom groove, so that the stability of the valve core during rotation is improved, the ball at the top end of the positioning shaft can improve the smoothness of the rotation of the valve core when the valve core rotates, the stability of the valve core during rotation can be improved, and the influence of the deviation of the valve core on the sealing property in the valve cavity is prevented;

(2) after long-time use, when the valve core is worn, a plurality of groups of fixing bolts can be rotated from the top end, so that the fixing bolts are separated from the inside of the valve cavity, the valve seat body can be taken down from the top end of the valve cavity, the valve core at the bottom end is driven to be separated from the inside of the valve cavity, the valve core is maintained or replaced, the valve seat body is installed back to the top end of the valve cavity and fixed by the fixing bolts, the sealing ring outside the valve seat body improves the sealing performance after installation, the valve seat body can be detached, and the valve core is maintained and replaced;

(3) through being provided with the connecting axle, the turning handle, the draw-in groove, the baffle, limit gear, spacing tooth's socket and disk seat body, when using this ball valve, when need opening and close the operation, earlier upwards stimulate the turning handle and drive limit gear and break away from the inside of spacing tooth's socket, later rotate the turning handle and drive limit gear and rotate, it rotates to drive the connecting axle through the cross through-hole, thereby it accomplishes and opens and close to drive the case motion, insert the inside of spacing tooth's socket with limit gear after the operation is accomplished, and with spacing tooth's socket block, thereby to the case location of bottom, prevent that the external force mistake from bumping the turning handle and leading to bottom case to rotate, realized can prevent the maloperation phenomenon.

Drawings

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

FIG. 2 is a schematic top view of a limiting gear of the present invention;

FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

fig. 4 is a bottom view of the mounting plate of the present invention.

In the figure: 1. a valve tube; 2. a valve cavity; 3. a valve core; 4. positioning the shaft; 5. a ball bearing; 6. a bottom groove; 7. a seal ring; 8. mounting a disc; 9. a connecting shaft; 10. a handle is rotated; 11. a card slot; 12. a baffle plate; 13. a limit gear; 14. a limiting tooth socket; 15. a valve seat body; 16. fixing the bolt; 17. a cross-shaped through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-4, a ball valve with a detachable valve seat comprises a valve tube 1 and a valve cavity 2, wherein two sides of the valve cavity 2 are respectively and fixedly connected with a group of valve tubes 1, the top end of the valve cavity 2 is movably connected with a valve seat body 15, the interior of the valve cavity 2 is movably connected with a valve core 3, and the top end of the valve seat body 15 is fixedly connected with a limiting tooth groove 14;

the bottom end inside the valve cavity 2 is fixedly connected with a positioning shaft 4, the top end of the positioning shaft 4 is movably connected with a ball 5, the bottom end of the valve core 3 is provided with a bottom groove 6, and the ball 5 and the bottom groove 6 form movable connection;

the central line of the valve cavity 2 and the central line of the positioning shaft 4 are on the same vertical plane, and the central line of the valve core 3 and the central line of the bottom groove 6 are on the same vertical plane;

specifically, as shown in fig. 1, fig. 3 and fig. 4, when the ball valve is used, when the rotating handle 10 at the top end of the rotating handle drives the valve core 3 to rotate through the connecting shaft 9, the positioning shaft 4 at the bottom end inside the valve cavity 2 is limited with the valve core 3 through the bottom groove 6, so that the stability of the valve core 3 during rotation is improved, the ball 5 at the top end of the positioning shaft 4 can rotate the valve core 3, the smoothness of the valve core 3 during rotation is improved, the stability of the valve core 3 during rotation is improved, and the valve core 3 is prevented from being deviated to affect the sealing performance inside the valve cavity 2.

Example 2: the outer part of the valve seat body 15 is fixedly connected with a mounting disc 8, the bottom end of the outer part of the valve seat body 15 is fixedly connected with a sealing ring 7, the top end of the mounting disc 8 is movably connected with a plurality of groups of fixing bolts 16, and the fixing bolts 16 penetrate through the mounting disc 8 to be movably connected with the valve cavity 2;

the valve cavity 2 is movably connected with the sealing ring 7, and the valve cavity 2 is movably connected with the mounting disc 8;

specifically, as shown in fig. 1 and 4, after long-time use, when the valve element 3 is worn, a plurality of groups of fixing bolts 16 can be rotated from the top end, so that the fixing bolts 16 are separated from the inside of the valve cavity 2, the valve seat body 15 can be taken down from the top end of the valve cavity 2, the valve element 3 at the bottom end is driven to be separated from the inside of the valve cavity 2, the valve element 3 is maintained or replaced, the valve seat body 15 is installed back to the top end of the valve cavity 2, the fixing bolts 16 are used for fixing, the sealing ring 7 outside the valve seat body 15 improves the sealing performance after installation, the valve seat body 15 can be disassembled, and the valve element 3 is maintained and replaced.

Example 3: the inside of the valve seat body 15 is movably connected with a connecting shaft 9, a plurality of groups of clamping grooves 11 are formed in the outside of the connecting shaft 9, the top end of the connecting shaft 9 is fixedly connected with a baffle 12, the inside of a limiting tooth groove 14 is movably connected with a limiting gear 13, the top end of the limiting gear 13 is fixedly connected with a rotating handle 10, the top end of the limiting gear 13 is provided with a cross through hole 17, and the cross through hole 17 and the clamping grooves 11 are movably connected;

the central line of the valve core 3 and the central line of the connecting shaft 9 are on the same vertical plane, and the valve core 3 and the connecting shaft 9 form a fixed connection;

specifically, as shown in fig. 1 and 2, when the ball valve is used, and the opening and closing operation is required, the rotating handle 10 is pulled upwards to drive the limiting gear 13 to be separated from the inside of the limiting tooth groove 14, then the rotating handle 10 is rotated to drive the limiting gear 13 to rotate, the connecting shaft 9 is driven to rotate through the cross through hole 17, so that the valve core 3 is driven to move to complete opening and closing, the limiting gear 13 is inserted into the inside of the limiting tooth groove 14 after the operation is completed, and is clamped with the limiting tooth groove 14, so that the valve core 3 at the bottom end is positioned, the phenomenon that the bottom valve core 3 rotates due to the fact that the rotating handle 10 is touched by an external force by mistake is prevented, and the phenomenon of misoperation can be prevented.

The working principle is as follows: when the ball valve is used, firstly, when the rotating handle 10 at the top end is rotated to drive the valve core 3 to rotate through the connecting shaft 9, the positioning shaft 4 at the bottom end in the valve cavity 2 is limited with the valve core 3 through the bottom groove 6, so that the stability of the valve core 3 in rotation is improved, the ball 5 at the top end of the positioning shaft 4 can improve the smoothness of the rotation of the valve core 3 when the valve core 3 rotates, after long-time use and when the valve core 3 is worn, a plurality of groups of fixing bolts 16 can be rotated from the top end, so that after the fixing bolts 16 are separated from the inside of the valve cavity 2, the valve seat body 15 can be taken down from the top end of the valve cavity 2, so that the valve core 3 at the bottom end is separated from the inside of the valve cavity 2, then the valve core 3 is maintained or replaced, then the valve seat body 15 is installed back to the top end of the valve cavity 2 and is fixed by the fixing bolts 16, and the sealing ring 7 outside the valve seat body 15 improves the sealing performance after installation, when using this ball valve, when needing to open and close the operation, upwards stimulate the turning handle 10 earlier and drive limiting gear 13 and break away from the inside of limiting tooth's socket 14, later rotate turning handle 10 and drive limiting gear 13 and rotate, it rotates to drive connecting axle 9 through cross through-hole 17, thereby it accomplishes and opens and close to drive the motion of case 3, insert limiting gear 13 the inside of limiting tooth's socket 14 after the operation is accomplished, and with limiting tooth's socket 14 block, thereby fix a position case 3 to the bottom, prevent that the external force mistake from bumping turning handle 10 and leading to bottom case 3 to rotate.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a disk seat detachable ball valve, includes valve pipe (1) and valve chamber (2), its characterized in that: two sides of the valve cavity (2) are respectively and fixedly connected with a group of valve pipes (1), the top end of the valve cavity (2) is movably connected with a valve seat body (15), the interior of the valve cavity (2) is movably connected with a valve core (3), and the top end of the valve seat body (15) is fixedly connected with a limiting tooth groove (14);

the bottom end of the interior of the valve cavity (2) is fixedly connected with a positioning shaft (4), the top end of the positioning shaft (4) is movably connected with a ball (5), the bottom end of the valve core (3) is provided with a bottom groove (6), and the ball (5) and the bottom groove (6) are movably connected.

2. A ball valve of the type having a detachable valve seat as claimed in claim 1, wherein: the center line of the valve cavity (2) and the center line of the positioning shaft (4) are on the same vertical plane, and the center line of the valve core (3) and the center line of the bottom groove (6) are on the same vertical plane.

3. A ball valve of the type having a detachable valve seat as claimed in claim 1, wherein: the outside fixedly connected with mounting disc (8) of disk seat body (15), the outside bottom fixedly connected with sealing washer (7) of disk seat body (15), the top swing joint of mounting disc (8) has multiunit fixing bolt (16), fixing bolt (16) run through mounting disc (8) and constitute swing joint with valve pocket (2).

4. A ball valve of the type having a detachable valve seat as claimed in claim 1, wherein: the valve cavity (2) and the sealing ring (7) form a movable connection, and the valve cavity (2) and the mounting disc (8) form a movable connection.

5. A ball valve of the type having a detachable valve seat as claimed in claim 1, wherein: the inside swing joint of disk seat body (15) has connecting axle (9), multiunit draw-in groove (11) have been seted up to the outside of connecting axle (9), top fixedly connected with baffle (12) of connecting axle (9), the inside swing joint of spacing tooth's socket (14) has stop gear (13), the top fixedly connected with turning handle (10) of stop gear (13), cross through-hole (17) have been seted up on the top of stop gear (13), cross through-hole (17) constitute swing joint with draw-in groove (11).

6. A ball valve of the type having a detachable valve seat as claimed in claim 1, wherein: the central line of the valve core (3) and the central line of the connecting shaft (9) are on the same vertical plane, and the valve core (3) and the connecting shaft (9) are fixedly connected.

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