CN210890209U

CN210890209U - Floating ball body for ball valve

Info

Publication number: CN210890209U
Application number: CN201921819007.0U
Authority: CN
Inventors: 周春雷; 陈长清
Original assignee: Zhejiang Jigong Valve Co ltd
Current assignee: Zhejiang Jigong Valve Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-06-30
Anticipated expiration: 2029-10-26

Abstract

The utility model discloses a floating ball body for a ball valve, which relates to the technical field of a valve ball body, and the technical proposal key points comprise a body, wherein the body is provided with a through hole for circulating media, the upper end of the body is provided with a valve rod groove, the through hole is internally provided with a filtering mechanism, and the filtering mechanism comprises a filtering ring and a filtering net fixedly connected with the filtering ring; the filter ring is connected with the body through a locking mechanism; the outer circumferential surface of the filter ring is provided with a clamping groove, the locking mechanism comprises a limiting ring fixedly connected with the inner wall of the through hole, and a spring and a clamping block which are arranged in the clamping groove, two ends of the spring are respectively abutted against one end of the clamping groove far away from the opening and the clamping block, and a slot for the clamping block to be embedded in is arranged in the through hole; one end of the filter ring, which is far away from the limiting ring, is provided with a clamping hole communicated with the clamping groove, and a clamping rod detachably connected with the clamping block penetrates through the clamping hole; when the kelly was close to the one end butt of spring with the card hole, the kelly was embedded into the draw-in groove completely, the utility model discloses have the effect of making things convenient for the dismouting filter screen.

Description

Floating ball body for ball valve

Technical Field

The utility model relates to a spheroidal technical field of valve, more specifically say that it relates to a spheroid that floats for ball valve.

Background

A ball valve is a valve in which the ball is driven by a valve stem and rotates about the axis of the ball valve. 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 only by rotating 90 degrees. The ball valve has the main characteristics of compact structure, reliable sealing, simple structure and the like, and is widely applied to medium conveying pipelines in various fields.

At present, chinese patent with publication number CN207034249 discloses a ball valve body, which comprises a body, a medium fluid channel is arranged in the body, a valve rod groove is arranged at the top of the ball body, an installation cavity with an opening is arranged at the bottom of the ball body, a conduction groove is arranged between the installation cavity and the medium fluid channel, a sealing surface is arranged on the end surface of the installation cavity facing the conduction groove, an anticorrosive coating is arranged on the outer surface of the body, and a high-temperature-resistant layer is arranged on the outer surface of the anticorrosive coating.

Above-mentioned spheroid mainly used carries the medium, and there are more impurity in some medium the inside, and the medium is at the in-process that flows, and some impurity can be remained or deposit inside the spheroid, gets off for a long time, can exert an influence to the spheroid, to this kind of condition, can set up the filter screen in the medium access way in some present ball valves, filters the medium, but present filter screen is generally through mode connections such as screw, and the installation and dismantlement are inconvenient, are difficult to change.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a unsteady spheroid for ball valve has the effect of making things convenient for the dismouting filter screen.

In order to achieve the above purpose, the utility model provides a following technical scheme: a valve ball comprises a body, wherein the body is provided with a through hole for circulating a medium, the upper end of the body is provided with a valve rod groove, a filtering mechanism is arranged in the through hole, and the filtering mechanism comprises a filtering ring and a filtering net fixedly connected with the filtering ring; the filter ring is connected with the body through a locking mechanism; the locking mechanism comprises a limiting ring fixedly connected with the inner wall of the through hole, a spring and a clamping block, wherein the spring and the clamping block are arranged in the clamping groove; one end of the filter ring, which is far away from the limiting ring, is provided with a clamping hole communicated with the clamping groove, and a clamping rod detachably connected with the clamping block penetrates through the clamping hole; when the clamping rod is abutted against one end, close to the spring, of the clamping hole, the clamping rod is completely embedded into the clamping groove.

By adopting the technical scheme, when the filter screen is installed on the body, the clamping rod or the clamping block is driven firstly to enable the clamping block to be embedded into the clamping groove, the spring is compressed and deformed, then the filter ring is embedded into the through hole, and the spring resets to drive the clamping block to be embedded into the slot until the clamping groove is aligned with the slot, so that the filter screen is connected with the body; when the filter screen is detached from the body, the clamping rod is firstly driven to enable the clamping block to be embedded into the clamping groove, the filter mechanism is conveniently taken out of the through hole, and the filter screen and the body are convenient to detach; when the clamping rod and the clamping hole are close to one end of the spring in a butt mode, the limiting clamping block is continuously embedded into the clamping groove, when the clamping rod and the clamping hole are far away from one end of the spring in a butt mode, the limiting clamping block continues to stretch out of the clamping groove, the effect of limiting the moving distance of the clamping block is achieved, and meanwhile the clamping block is prevented from being separated from the clamping groove.

The utility model discloses further set up to: the clamping rod is fixedly connected with a screw rod towards one end of the clamping block, and the clamping block is provided with a threaded hole in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, through the cooperation of screw rod and screw hole, conveniently be connected fixture block and kelly or dismantle, can conveniently change fixture block and kelly.

The utility model discloses further set up to: and a chamfer is formed at one end of the clamping block, which is far away from the spring, and the chamfer is obliquely arranged towards the limiting ring.

Through adopting above-mentioned technical scheme, when will cross the filter ring and place the through-hole in, chamfer inclined plane earlier with the body butt, make the fixture block imbed the draw-in groove in again, will cross in the filter ring embedding through-hole, need not artificially to drive the fixture block and have the removal, can reduce operating procedure, have easy to assemble's effect.

The utility model discloses further set up to: and one end of the slot, which is far away from the opening, is provided with a rubber block.

Through adopting above-mentioned technical scheme, when the fixture block was embedded into the slot, the fixture block was out of shape with the rubber block contact and drive rubber block, had the effect of buffering, set up the rubber block simultaneously and can prevent that the inserted block from keeping away from open-ended one end and operation piece, prevent body and operation piece.

The utility model discloses further set up to: the through-hole is provided with the gib block that extends along through-hole axis direction, set up the guide way that supplies the gib block embedding on the filter ring, the filter ring slides along the gib block and sets up.

By adopting the technical scheme, the guide strips and the guide grooves have a limiting effect, when the filter ring slides in the through hole for a certain distance, the clamping block can be embedded into the slot, the clamping groove does not need to be manually driven to align with the slot, and the mounting effect is convenient; in addition, the guide strips are arranged to prevent the filter screen from rotating in the through hole.

The utility model discloses further set up to: the locking mechanism is provided with a plurality of, a plurality of locking mechanism along the axis circumference array distribution of filter ring.

Through adopting above-mentioned technical scheme, set up a plurality of locking mechanical system and make the stability that increases spacing ring and filter ring.

The utility model discloses further set up to: the limiting ring is provided with a sealing ring groove towards one end of the filter ring, and a sealing ring block is arranged in the sealing ring groove.

Through adopting above-mentioned technical scheme, set up the sealing performance that the seal ring piece can improve between filter ring and the spacing ring.

The utility model discloses further set up to: the through-hole level sets up and the axis passes the centre of sphere of body, filtering mechanism is provided with two, two filtering mechanism is for the articulated axis line symmetry of body.

Through adopting above-mentioned technical scheme, set up two filtering mechanism and can further improve spheroidal filtering quality.

To sum up, the utility model discloses following beneficial effect has:

1. the clamping rod is driven to enable the clamping block to move, so that the clamping block is embedded into/extends out of the clamping groove, and the filter ring is conveniently separated from/connected with the body;

2. when the clamping rod abuts against the two ends of the clamping hole in the axial direction of the clamping groove, the clamping rod is limited to continue moving, the effect of controlling the moving distance of the clamping rod is achieved, and meanwhile the clamping block is prevented from being separated from the clamping groove.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded view of the highlighted body structure of the present embodiment;

FIG. 3 is a partial cross-sectional view of the highlighted locking mechanism of this embodiment.

Reference numerals: 1. a body; 11. a through hole; 12. a valve stem groove; 13. a guide strip; 2. a filtering mechanism; 21. a filter ring; 211. a card slot; 212. a clamping hole; 213. a guide groove; 22. a filter screen; 3. a locking mechanism; 31. a spring; 32. a clamping block; 321. chamfering; 322. a threaded hole; 33. a limiting ring; 331. sealing the ring groove; 332. a sealing ring block; 34. a slot; 341. a rubber block; 35. a clamping rod; 351. a screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a floating ball body for a ball valve, which comprises a body 1, and a valve rod groove 12 is formed at the upper end of the body 1, as shown in fig. 1 and 2. The through-hole 11 of circulation medium is seted up to body 1, and the through-hole 11 level sets up and the axis passes the centre of sphere of body 1, is provided with two filter mechanism 2 in the through-hole 11, and two filter mechanism 2 are symmetrical for the articulated axis of body 1. The filter mechanism 2 includes a filter ring 21 and a filter net 22 fixedly connected to the filter ring 21. The filter ring 21 is connected with the body 1 by three locking mechanisms 3, and the three locking mechanisms 3 are distributed along the axial circumference array of the filter ring 21.

As shown in fig. 2 and 3, a locking groove 211 is formed on the outer circumferential surface of the filter ring 21, and the locking mechanism 3 includes a limiting ring 33 fixedly connected to the inner wall of the through hole 11, and a spring 31 and a locking block 32 disposed in the locking groove 211. The end of the latch 32 away from the spring 31 is provided with a chamfer 321, the chamfer 321 is inclined towards the limit ring 33, and two ends of the spring 31 are respectively abutted against the end of the latch 211 away from the opening and the latch 32. The through hole 11 is provided with an insertion groove 34 for inserting the latch 32, and one end of the insertion groove 34 far away from the opening is provided with a rubber block 341.

As shown in fig. 2 and 3, a clamping hole 212 communicating with the clamping groove 211 is formed at one end of the filter ring 21 away from the limiting ring 33, and a clamping rod 35 detachably connected with the clamping block 32 penetrates through the clamping hole 212. One end of the clamping rod 35 facing the clamping block 32 is fixedly connected with a screw 351, and the clamping block 32 is provided with a threaded hole 322 in threaded connection with the screw 351. When the latch lever 35 abuts against one end of the latch hole 212 close to the spring 31, the latch lever 35 is completely inserted into the latch groove 211.

As shown in fig. 2 and 3, the through hole 11 is provided with a guide bar 13 extending along the axial direction of the through hole 11, one end of the guide bar 13 is connected with the limiting ring 33, the filter ring 21 is provided with a guide groove 213 for the guide bar 13 to be embedded in, and the filter ring 21 is arranged along the guide bar 13 in a sliding manner. The filter ring 21 slides along the guide strip 13, and has a guiding effect, so that when the filter ring 21 abuts against the limiting ring 33, the clamping groove 211 is aligned with the slot 34, and the clamping block 32 is conveniently embedded into the slot 34. The guide strips 13 also have the effect of limiting the rotation of the filter ring 21 in the through hole 11, and preventing the latch 32 from being staggered with the slot 34. In addition, the guide strips 13 and the guide grooves 213 are arranged, so that the filter ring 21 can be conveniently installed in the through hole 11 by workers.

As shown in fig. 2 and 3, a sealing ring groove 331 is opened at one end of the limiting ring 33 facing the filter ring 21, and a sealing ring block 332 is disposed in the sealing ring groove 331. When the retainer ring 33 abuts against the filter ring 21, the sealing performance between the retainer ring 33 and the filter ring 21 can be improved by the seal ring block 332.

The working principle is as follows: during the installation, preceding movable filter ring 21 is embedded into through-hole 11, and chamfer 321 inclined plane and body 1 butt drive fixture block 32 are embedded into draw-in groove 211, and spring 31 compression deformation simultaneously, filter ring 21 slides along guide bar 13, and when aligning draw-in groove 211 and slot 34, spring 31 resets drive fixture block 32 and is embedded into slot 34 for filter screen 22 is connected with body 1, realizes filter screen 22 and body 1 installation. On the contrary, the clamping block 32 is embedded into the clamping groove 211 by driving the clamping rod 35, so that the filtering mechanism 2 can be conveniently taken out from the through hole 11, and the filter screen 22 is separated from the body 1.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a spheroid that floats for ball valve, includes body (1), through-hole (11) of circulation medium are seted up in body (1), valve rod groove (12), its characterized in that have been seted up to body (1) upper end: a filtering mechanism (2) is arranged in the through hole (11), and the filtering mechanism (2) comprises a filtering ring (21) and a filtering net (22) fixedly connected with the filtering ring (21); the filter ring (21) is connected with the body (1) through a locking mechanism (3); a clamping groove (211) is formed in the outer circumferential surface of the filter ring (21), the locking mechanism (3) comprises a limiting ring (33) fixedly connected with the inner wall of the through hole (11), a spring (31) and a clamping block (32) arranged in the clamping groove (211), two ends of the spring (31) are respectively abutted against one end, far away from the opening, of the clamping groove (211) and the clamping block (32), and a slot (34) for the clamping block (32) to be embedded into is formed in the through hole (11); one end of the filter ring (21) far away from the limiting ring (33) is provided with a clamping hole (212) communicated with the clamping groove (211), and a clamping rod (35) detachably connected with the clamping block (32) penetrates through the clamping hole (212); when the clamping rod (35) is abutted against one end, close to the spring (31), of the clamping hole (212), the clamping rod (35) is completely embedded into the clamping groove (211).

2. A floating ball for a ball valve as defined in claim 1 wherein: one end, facing the clamping block (32), of the clamping rod (35) is fixedly connected with a screw rod (351), and a threaded hole (322) in threaded connection with the screw rod (351) is formed in the clamping block (32).

3. A floating ball for a ball valve as defined in claim 1 wherein: a chamfer (321) is formed in one end, away from the spring (31), of the clamping block (32), and the chamfer (321) is obliquely arranged towards the limiting ring (33).

4. A floating ball for a ball valve as defined in claim 3 wherein: one end of the slot (34) far away from the opening is provided with a rubber block (341).

5. A floating ball for a ball valve as defined in claim 1 wherein: through-hole (11) are provided with guide bar (13) that extend along through-hole (11) axis direction, filter and offer guide way (213) that supply guide bar (13) embedding on ring (21), filter ring (21) and slide along guide bar (13) and set up.

6. A floating ball for a ball valve as defined in claim 1 wherein: the locking mechanisms (3) are arranged in a plurality, and the locking mechanisms (3) are distributed along the axial circumference array of the filter ring (21).

7. A floating ball for a ball valve as defined in claim 1 wherein: the limiting ring (33) faces one end of the filter ring (21) and is provided with a sealing ring groove (331), and a sealing ring block (332) is arranged in the sealing ring groove (331).

8. A floating ball for a ball valve as defined in claim 6 wherein: the through hole (11) is horizontally arranged, the axis of the through hole penetrates through the center of the sphere of the body (1), the number of the filtering mechanisms (2) is two, and the filtering mechanisms (2) are symmetrical relative to the hinge axis of the body (1).