CN210637536U - Double-sealing ball valve - Google Patents
Double-sealing ball valve Download PDFInfo
- Publication number
- CN210637536U CN210637536U CN201921829703.XU CN201921829703U CN210637536U CN 210637536 U CN210637536 U CN 210637536U CN 201921829703 U CN201921829703 U CN 201921829703U CN 210637536 U CN210637536 U CN 210637536U
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- China
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- valve
- valve body
- spheroid
- disk seat
- double seal
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Abstract
The utility model relates to a double sealing ball valve, including valve body, spheroid, valve rod, fixed axle, gland box and disk seat, the spheroid is established in the valve body, be equipped with medium channel in valve body and the spheroid, spheroidal lower extreme passes through fixed axle and valve body fixed connection, spheroidal upper end fixedly connected with runs through the valve rod and the gland box of valve body, the gland box cover is established on the valve rod, the disk seat is established on the spheroidal left and right sides, be equipped with the sealing washer one of being connected with the spheroid conflict on the disk seat, be equipped with on spheroidal one side of disk seat orientation through screw fixedly connected with clamp plate, transversely be equipped with a plurality of springs between disk seat and the valve body. The utility model has the advantages that: the soft sealing valve seat is designed again on the basis of the original design, is arranged into a double sealing structure, plays a role in protecting the soft sealing valve seat, is provided with a bearing, is light in torque, is easy to open and close, prolongs the service life, and increases the practicability and the innovativeness.
Description
Technical Field
The utility model relates to a valve, in particular to double seal ball valve.
Background
The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels.
Some double hard seal ball valves on the existing market are common, have poor sealing performance, are easy to leak, are easy to damage a valve seat, and need large strength to open and close, and have large required torque.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a double sealing ball valve to solve above-mentioned problem.
The technical scheme of the utility model is realized like this: the utility model provides a double sealing ball valve, includes valve body, spheroid, valve rod, fixed axle, gland box and disk seat, the spheroid is established in the valve body, be equipped with medium channel in valve body and the spheroid, spheroidal lower extreme passes through fixed axle and valve body fixed connection, spheroidal upper end fixedly connected with runs through valve rod and the gland box of valve body, the gland box cover is established on the valve rod, the disk seat is established on the spheroidal left and right sides, be equipped with the sealing washer one of being connected with the spheroid conflict on the disk seat, be equipped with on spheroidal one side of disk seat orientation through screw fixedly connected with clamp plate, transversely be equipped with a plurality of springs between disk seat and the valve body.
Through adopting above-mentioned technical scheme, redesigned on original design basis, set up double seal structure, play the guard action to soft seal disk seat to there is the tape bearing design, the moment of torsion is light, opens and close easily, increase of service life has increased practicality and novelty.
The utility model discloses further set up to: a plane bearing is arranged between the top end of the fixed shaft and the ball body, and a sliding bearing I is arranged between the side face of the fixed shaft and the ball body.
Through adopting above-mentioned technical scheme, make spheroidal rotation lighter, reduce moment of torsion, wearing and tearing, increase of service life.
The utility model discloses further set up to: and a sliding bearing II is arranged between the outer surface of the valve rod and the stuffing box, and a sliding bearing III is arranged between the outer surface of the stuffing box and the ball body.
Through adopting above-mentioned technical scheme, make spheroidal rotation lighter, reduce moment of torsion, wearing and tearing, increase of service life.
The utility model discloses further set up to: and one side of the valve seat facing the valve body is provided with a plurality of second sealing rings and fire prevention rings which are sequentially arranged outwards.
By adopting the technical scheme, the sealing performance and the safety are improved, and the service life is prolonged.
The utility model discloses further set up to: the upper end of the packing box is provided with a connecting disc, the packing box and the valve body are provided with positioning pins, and the connecting disc, the packing box and the valve body are fixedly connected through hexagon socket head cap screws.
By adopting the technical scheme, the connection is more convenient and simple, and the connection is more stable and effective.
The utility model discloses further set up to: and the upper side and the lower side of the valve body are respectively provided with a pressure release valve and a blow-down valve which are connected with the inside.
By adopting the technical scheme, the medium in the medium channel can be conveniently discharged, and the safety is improved.
The utility model discloses further set up to: and the valve body is provided with a grease injection valve communicated with the interior and the valve seat.
Through adopting above-mentioned technical scheme, the accessible is annotated the fat valve and is carried out urgent sealing when taking place to leak, has increased the practicality.
The utility model discloses further set up to: and a plurality of third sealing rings are arranged between the valve rod and the packing box and between the packing box and the valve body, and a plurality of third sealing rings are arranged between the fixed shaft and the valve body.
By adopting the technical scheme, the sealing performance is improved, and the possibility of leakage is prevented.
The utility model discloses further set up to: and a graphite filler is arranged in the filler box.
By adopting the technical scheme, the sealing device can effectively seal, has good sealing effect and increases the practicability and the innovativeness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a in the embodiment of the present invention.
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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a double sealing ball valve, including valve body 1, spheroid 2, valve rod 3, fixed axle 4, stuffing box 6 and disk seat 7, spheroid 2 is established in valve body 1, be equipped with medium channel 5 in valve body 1 and the spheroid 2, fixed axle 4 and the 1 fixed connection of valve body are passed through to spheroid 2's lower extreme, spheroid 2's upper end fixedly connected with runs through valve rod 3 and stuffing box 6 of valve body 1, 6 covers of stuffing box establish on valve rod 3, disk seat 7 is established on spheroid 2's the left and right sides, be equipped with on the disk seat 7 and contradict the sealing washer 8 of being connected with spheroid 2, disk seat 7 is equipped with through screw 9 fixedly connected with clamp plate 10 on one side of spheroid 2, transversely be equipped with a plurality of springs 11 between disk seat 7 and the valve body 1.
Through adopting above-mentioned technical scheme, redesigned on original design basis, set up double seal structure, play the guard action to soft seal disk seat to there is the tape bearing design, the moment of torsion is light, opens and close easily, increase of service life has increased practicality and novelty.
In the embodiment of the present invention, a plane bearing 12 is disposed on the top end of the fixed shaft 4 and between the ball 2, and a sliding bearing 13 is disposed between the side surface of the fixed shaft 4 and the ball 2.
Through adopting above-mentioned technical scheme, make spheroidal rotation lighter, reduce moment of torsion, wearing and tearing, increase of service life.
In the embodiment of the present invention, a sliding bearing two 14 is disposed between the outer surface of the valve rod 3 and the stuffing box 6, and a sliding bearing three 15 is disposed between the outer surface of the stuffing box 6 and the ball 2.
Through adopting above-mentioned technical scheme, make spheroidal rotation lighter, reduce moment of torsion, wearing and tearing, increase of service life.
In the embodiment of the present invention, the valve seat 7 is provided with a plurality of two sealing rings 16 and a fire-proof ring 17 in sequence towards one side of the valve body 1.
By adopting the technical scheme, the sealing performance and the safety are improved, and the service life is prolonged.
The embodiment of the utility model provides an in, the upper end of gland box 6 is equipped with connection pad 18, be equipped with locating pin 19 on connection pad 18, gland box 6 and the valve body 1, connection pad 18, gland box 6 and valve body 1 pass through hexagon socket head cap screw 20 fixed connection.
By adopting the technical scheme, the connection is more convenient and simple, and the connection is more stable and effective.
This in the embodiment of the present invention, the upper side and the lower side of the valve body 1 are respectively provided with a pressure release valve 21 and a blow-off valve 22 which are connected with the inside.
By adopting the technical scheme, the medium in the medium channel can be conveniently discharged, and the safety is improved.
In the embodiment of the present invention, the valve body 1 is provided with a grease injection valve 23 communicated with the interior and the valve seat 7.
Through adopting above-mentioned technical scheme, the accessible is annotated the fat valve and is carried out urgent sealing when taking place to leak, has increased the practicality.
The embodiment of the utility model provides an in, all be equipped with three 24 of a plurality of sealing washer between valve rod 3 and the stuffing box 6 and between stuffing box 6 and the valve body 1, be equipped with three 24 of a plurality of sealing washers between fixed axle 4 and the valve body 1.
By adopting the technical scheme, the sealing performance is improved, and the possibility of leakage is prevented.
In the embodiment of the present invention, the stuffing box 6 is provided with a stuffing 25 made of graphite.
By adopting the technical scheme, the sealing device can effectively seal, has good sealing effect and increases the practicability and the innovativeness.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a double sealing ball valve, includes valve body (1), spheroid (2), valve rod (3), fixed axle (4), stuffing box (6) and disk seat (7), its characterized in that: establish in valve body (1) spheroid (2), be equipped with medium channel (5) in valve body (1) and spheroid (2), the lower extreme of spheroid (2) passes through fixed axle (4) and valve body (1) fixed connection, the upper end fixedly connected with of spheroid (2) runs through valve rod (3) and gland packing (6) of valve body (1), gland packing (6) cover is established on valve rod (3), establish on the left and right sides of spheroid (2) disk seat (7), be equipped with on disk seat (7) and contradict sealing washer (8) of being connected with spheroid (2), disk seat (7) are equipped with on one side towards spheroid (2) through screw (9) fixedly connected with clamp plate (10), transversely be equipped with a plurality of springs (11) between disk seat (7) and valve body (1).
2. The double seal ball valve of claim 1, wherein: a plane bearing (12) is arranged between the top end of the fixed shaft (4) and the ball body (2), and a sliding bearing I (13) is arranged between the side face of the fixed shaft (4) and the ball body (2).
3. The double seal ball valve of claim 1, wherein: a sliding bearing II (14) is arranged between the outer surface of the valve rod (3) and the stuffing box (6), and a sliding bearing III (15) is arranged between the outer surface of the stuffing box (6) and the ball body (2).
4. The double seal ball valve of claim 1, wherein: one side of the valve seat (7) facing the valve body (1) is provided with a plurality of sealing rings II (16) and fire-proof rings (17) which are sequentially arranged outwards.
5. The double seal ball valve of claim 1, wherein: the upper end of the packing box (6) is provided with a connecting disc (18), positioning pins (19) are arranged on the connecting disc (18), the packing box (6) and the valve body (1), and the connecting disc (18), the packing box (6) and the valve body (1) are fixedly connected through inner hexagon screws (20).
6. The double seal ball valve of claim 1, wherein: and the upper side and the lower side of the valve body (1) are respectively provided with a pressure release valve (21) and a blow-down valve (22) which are connected with the inside.
7. The double seal ball valve of claim 1, wherein: and a grease injection valve (23) communicated with the interior and the valve seat (7) is arranged on the valve body (1).
8. The double seal ball valve of claim 1, wherein: a plurality of sealing rings III (24) are arranged between the valve rod (3) and the packing box (6) and between the packing box (6) and the valve body (1), and a plurality of sealing rings III (24) are arranged between the fixed shaft (4) and the valve body (1).
9. The double seal ball valve of claim 1, wherein: and a filler (25) made of graphite is arranged in the filler box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921829703.XU CN210637536U (en) | 2019-10-29 | 2019-10-29 | Double-sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921829703.XU CN210637536U (en) | 2019-10-29 | 2019-10-29 | Double-sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210637536U true CN210637536U (en) | 2020-05-29 |
Family
ID=70795693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921829703.XU Expired - Fee Related CN210637536U (en) | 2019-10-29 | 2019-10-29 | Double-sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210637536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823663A (en) * | 2024-03-06 | 2024-04-05 | 中航工业南京机电科技有限公司 | Ball valve with two-way pressure release function |
-
2019
- 2019-10-29 CN CN201921829703.XU patent/CN210637536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823663A (en) * | 2024-03-06 | 2024-04-05 | 中航工业南京机电科技有限公司 | Ball valve with two-way pressure release function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 Termination date: 20211029 |