CN206592571U - A kind of Double sealed fire-proof ball valve - Google Patents
A kind of Double sealed fire-proof ball valve Download PDFInfo
- Publication number
- CN206592571U CN206592571U CN201720343606.4U CN201720343606U CN206592571U CN 206592571 U CN206592571 U CN 206592571U CN 201720343606 U CN201720343606 U CN 201720343606U CN 206592571 U CN206592571 U CN 206592571U
- Authority
- CN
- China
- Prior art keywords
- valve
- spheroid
- sealed
- rod
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 210000004907 gland Anatomy 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 239000007770 graphite material Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The utility model discloses a kind of Double sealed fire-proof ball valve, including left valve barrel, right valve barrel, spheroid and valve rod, wherein adopt and be bolted connection between left valve barrel and right valve barrel, flow channel is offered on left valve barrel, flow pass is offered on right valve barrel, and valve pocket is provided between flow channel and flow pass, the utility model realizes the sealing between spheroid bottom surface by the top land of sealed bottom block, the oscilaltion of sealed bottom block is realized by rotating screw rod, holding out against between sealed bottom block and spheroid can also now be realized, when spheroid is held out against, whole spheroid just can not realize free rotation, it is achieved that the double locking between valve rod, prevent valve rod positioning device from causing overall can not realize to fasten sealed situation when damaging, sealed bottom block also contributes to the protection of sealing ring when holding out against simultaneously, prevent from not only causing the abrasion of partially sealed circle due to fixing when spheroid is in routine use.
Description
Technical field
The utility model is related to valve field, specifically a kind of Double sealed fire-proof ball valve.
Background technology
Ball valve is mainly used to make the flow direction for cutting off, distributing and changing medium in pipeline, and it is only needed to rotation 90
The operation of degree and the rotating torque of very little can just close tight.Ball valve optimum is switched, stop valve is used, V-type ball valve.It is electronic
Valve should be specifically noted that its environmental condition used in addition to it should be noted that pipe parameter, still, due to the electric device in electrically operated valve
It is an electromechanical equipment, its use state is influenceed very big by its use environment.Under usual state, electrical ball valve, butterfly valve are in following ring
Border is using will pay special attention to.
Sealing ring type structure being used existing ball valve leakage-proof structure, because sealing ring receives outside in actual use more
Environmental disturbances are very big, artificial to realize regulation and control again, therefore when spheroid occurs loosening and damaged, whole ball valve will be let out
Leakage, if when medium is combustible, being just very easy to cause the generation of fire.
Utility model content
The purpose of this utility model is to provide a kind of Double sealed fire-proof ball valve, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：
A kind of Double sealed fire-proof ball valve, including left valve barrel, right valve barrel, spheroid and valve rod, wherein left valve barrel and right valve
Adopt and be bolted connection between body, offered on left valve barrel and flow pass is offered on flow channel, right valve barrel, and flow into logical
Valve pocket is provided between road and flow pass, the valve pocket is equipped with sealing ring close to one end of flow channel and flow pass,
Position of the sphere installation between sealing ring, the upper surface of the left valve barrel is provided with the valve rod hole run through up and down, valve rod
Bottom is penetrated in valve pocket from valve rod hole, and wherein grafting is fixed in the bottom of valve rod with spheroid, and the top of valve rod fastens spiral shell by handle
Mother's fixation is locked with handle；Stem bearing is installed, providing the good of valve rod using stem bearing turns between valve rod and valve rod hole
Dynamic basis；Valve stem packing is filled with sealing surface between valve rod and valve rod hole, and valve stem packing passes through valve stem gland pressure
Tightly, valve stem gland is enclosed on valve rod in the form of being screwed；Use is equipped with the left valve barrel, the inwall of right valve barrel
The groove of sealing ring is put in card, sealing ring fixing card is in described groove, and the sealing ring is provided with close with ball seal
Front cover, and the curved face structure of the sealing surface, the sealing between spheroid and valve body is provided using sealing ring, and the sealing at valve rod
Then realized by valve stem packing；The lower surface of the left valve barrel is provided with the screw rod screw that runs through up and down, and the upper end of screw rod is from screw rod
Screw is screwed in valve pocket, and wherein the apical position of screw rod is fixed and is plugged with sealed bottom block, and sealed bottom block is integrally cylindrical,
And the top surface of sealed bottom block offers the sealing surface of curved recessed device, realized by the top land of sealed bottom block
With the sealing between spheroid bottom surface, the oscilaltion of sealed bottom block is realized by rotating screw rod, bottom can also be now realized
Holding out against between sealing block and spheroid, when spheroid is held out against, whole spheroid just can not realize free rotation, it is achieved that with
Double locking between valve rod, prevents valve rod positioning device from causing overall can not realize to fasten sealed feelings when damaging
Condition, while sealed bottom block also contributes to the protection of sealing ring when holding out against, is prevented when spheroid is in routine use due to fixation
Not only cause the abrasion of partially sealed circle.
It is used as further program of the utility model：The bottom regulation of the screw rod is welded with wing nut.
It is used as further program of the utility model：Segment hub seal is also filled between screw rod and the screw rod screw to fill out
Material, segment hub seal filler is compressed by segment hub seal gland.
It is used as further program of the utility model：The centerline of the flow channel, flow pass and valve pocket in
On same straight line.
It is used as further program of the utility model：The sealed bottom block is partly embedded on the inwall of left valve barrel.
It is used as further program of the utility model：The sealed bottom block is made of graphite material, overall more resistance to
High temperature.
The beneficial effects of the utility model：The utility model is realized and spheroid bottom by the top land of sealed bottom block
Sealing between face, the oscilaltion of sealed bottom block is realized by rotating screw rod, can also now realize sealed bottom block with
Holding out against between spheroid, when spheroid is held out against, whole spheroid just can not realize free rotation, it is achieved that between valve rod
Double locking, prevent valve rod positioning device from causing overall can not realize to fasten sealed situation when damaging, while bottom
Portion's sealing block also contributes to the protection of sealing ring when holding out against, and prevents when spheroid is in routine use because fixation not only causes office
The abrasion of portion's sealing ring.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
1- left valve barrels, 2- right valve barrels, 3- spheroids, 4- sealing rings, 5- valve rods, 6- stem bearings, 7- valve stem packings, 8- in figure
Valve stem gland, 9- handles, 10- handles clamp nut, 11- sealed bottoms block, 12- segment hub seals filler, 13- segment hub seals
Gland, 14- wing nuts, 15- screw rods.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of Double sealed fire-proof ball valve, including left valve barrel 1, right valve
Adopt and be bolted connection between body 2, spheroid 3 and valve rod 5, wherein left valve barrel 1 and right valve barrel 2, inflow is offered on left valve barrel 1
Offered on passage, right valve barrel 2 and valve pocket is provided between flow pass, and flow channel and flow pass, the valve pocket is close
One end of flow channel and flow pass is equipped with sealing ring 4, and the spheroid 3 is arranged on the position between sealing ring 4, the left side
The upper surface of valve body 1 is provided with the valve rod hole run through up and down, and the bottom of valve rod 5 is penetrated in valve pocket from valve rod hole, wherein the bottom of valve rod 5
Grafting is fixed in end with spheroid 3, and the top of valve rod 5 is fixed by handle clamp nut 10 is locked with handle 9；Valve rod 5 and valve rod hole
Between stem bearing 6 is installed, utilize stem bearing 6 provide valve rod 5 good rotation basis；Between valve rod 5 and valve rod hole
Valve stem packing 7 is filled with sealing surface, and valve stem packing 7 is compressed by valve stem gland 8, valve stem gland 8 uses spiral shell
The form that line is fixed is enclosed on valve rod 5；It is equipped with the left valve barrel 1, the inwall of right valve barrel 2 and puts the recessed of sealing ring 4 for card
Groove, the fixing card of sealing ring 4 is in described groove, and the sealing ring 4 is provided with and the sealed sealing surface of spheroid 3, and the sealing
The curved face structure in face, the sealing between spheroid and valve body is provided using sealing ring 4, and the sealing at valve rod 5 then passes through valve rod
Filler 7 is realized；The lower surface of the left valve barrel 1 is provided with the screw rod screw run through up and down, and the upper end of screw rod 15 is revolved from screw rod screw
Enter in valve pocket, wherein the apical position of screw rod 15, which is fixed, is plugged with sealed bottom block 11, and sealed bottom block 11 is overall cylindrical,
And the top surface of sealed bottom block 11 offers the sealing surface of curved recessed device, passes through the top land of sealed bottom block 11
The sealing between spheroid bottom surface is realized, the oscilaltion of sealed bottom block 11 is realized by rotating screw rod 15, now can also
Holding out against between sealed bottom block 11 and spheroid 3 is realized, when spheroid 3 is held out against, whole spheroid 3, which just can not be realized, freely to be turned
It is dynamic, it is achieved that the double locking between valve rod 5, prevents valve rod positioning device from causing entirety can not be real when damaging
Sealed situation is now fastened, while sealed bottom block 11 also contributes to the protection of sealing ring when holding out against, is prevented in spheroid in day
The abrasion of partially sealed circle is not only caused when often using due to fixing.
The bottom regulation of the screw rod 15 is welded with wing nut 14.
Segment hub seal filler 12 is also filled between the screw rod 15 and screw rod screw, segment hub seal filler 12 passes through screw rod
Airtight and watertight padding gland 13 is compressed.
The center line of the flow channel, flow pass and valve pocket is on the same line.
The sealed bottom block 11 is partly embedded on the inwall of left valve barrel 1.
The sealed bottom block 11 is made of graphite material, overall more high temperature resistant.
Operation principle of the present utility model is：Realized by the top land of sealed bottom block 11 between spheroid bottom surface
Sealing, the oscilaltion of sealed bottom block 11 is realized by rotating screw rod 15, can also now realize sealed bottom block 11 with
Holding out against between spheroid 3, when spheroid 3 is held out against, whole spheroid 3 just can not realize free rotation, it is achieved that with valve rod 5
Between double locking, prevent valve rod positioning device from causing overall can not realize to fasten sealed situation when damaging, together
When sealed bottom block 11 protection of sealing ring is also contributed to when holding out against, prevent when spheroid is in routine use due to it is fixed not only
Cause the abrasion of partially sealed circle.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of Double sealed fire-proof ball valve, including left valve barrel（1）, right valve barrel（2）, spheroid（3）And valve rod（5）, wherein left
Valve body（1）With right valve barrel（2）Between adopt and be bolted connection, left valve barrel（1）On offer flow channel, right valve barrel（2）On
Offer and valve pocket is provided between flow pass, and flow channel and flow pass, the valve pocket is close to flow channel and outflow
One end of passage is equipped with sealing ring（4）, the spheroid（3）Installed in sealing ring（4）Between position, the left valve barrel（1）
Upper surface be provided with the valve rod hole that runs through up and down, valve rod（5）Bottom penetrated from valve rod hole in valve pocket, wherein valve rod（5）Bottom
End and spheroid（3）Fixed grafting, valve rod（5）Top pass through handle clamp nut（10）Fixation is locked with handle（9）；Valve rod
（5）Stem bearing is installed between valve rod hole（6）, valve rod（5）Valve stem packing is filled with sealing surface between valve rod hole
（7）, and valve stem packing（7）Pass through valve stem gland（8）Compress, valve stem gland（8）Using the form set being screwed
In valve rod（5）On；The left valve barrel（1）, right valve barrel（2）Inwall on be equipped with and put sealing ring for card（4）Groove, sealing
Circle（4）Fixing card is in described groove, the sealing ring（4）It is provided with and spheroid（3）Sealed sealing surface, and the sealing surface
Curved face structure, it is characterised in that：The left valve barrel（1）Lower surface be provided with the screw rod screw that runs through up and down, screw rod（15）
Upper end screwed in from screw rod screw in valve pocket, wherein screw rod（15）Apical position fix be plugged with sealed bottom block（11）, bottom
Portion's sealing block（11）It is overall cylindrical, and sealed bottom block（11）Top surface offer the sealing surface of curved recessed device.
2. a kind of Double sealed fire-proof ball valve according to claim 1, it is characterised in that：The screw rod（15）Bottom
Regulation is welded with wing nut（14）.
3. a kind of Double sealed fire-proof ball valve according to claim 1, it is characterised in that：The screw rod（15）With screw rod
Segment hub seal filler is also filled between screw（12）, segment hub seal filler（12）Pass through segment hub seal gland（13）Pressure
Tightly.
4. a kind of Double sealed fire-proof ball valve according to claim 1, it is characterised in that：The flow channel, outflow
The center line of passage and valve pocket is on the same line.
5. a kind of Double sealed fire-proof ball valve according to claim 1, it is characterised in that：The sealed bottom block（11）
Be partly embedded in left valve barrel（1）Inwall on.
6. a kind of Double sealed fire-proof ball valve according to claim 1, it is characterised in that：The sealed bottom block（11）
It is made of graphite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343606.4U CN206592571U (en) | 2017-04-03 | 2017-04-03 | A kind of Double sealed fire-proof ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343606.4U CN206592571U (en) | 2017-04-03 | 2017-04-03 | A kind of Double sealed fire-proof ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592571U true CN206592571U (en) | 2017-10-27 |
Family
ID=60122852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720343606.4U Expired - Fee Related CN206592571U (en) | 2017-04-03 | 2017-04-03 | A kind of Double sealed fire-proof ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237068A (en) * | 2018-10-23 | 2019-01-18 | 镇江市神龙电器管件有限公司 | A kind of screw thread ball valve |
-
2017
- 2017-04-03 CN CN201720343606.4U patent/CN206592571U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237068A (en) * | 2018-10-23 | 2019-01-18 | 镇江市神龙电器管件有限公司 | A kind of screw thread ball valve |
| CN109237068B (en) * | 2018-10-23 | 2023-11-24 | 镇江市神龙电器管件有限公司 | Screw thread ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206592571U (en) | A kind of Double sealed fire-proof ball valve | |
| CN208169580U (en) | A kind of hard sealing screw thread straight-through valve | |
| CN206668991U (en) | A kind of soft seat butterfly valve of novel sealing structure | |
| CN206017760U (en) | A kind of high leakproofness butterfly valve | |
| CN207864638U (en) | Teflon seal butterfly valve | |
| CN208010947U (en) | Triangle circle dual-seal butterfly valve | |
| CN206592569U (en) | A kind of Antistatic ball valve for being easy to be grounded | |
| CN205978506U (en) | Manual butterfly valve | |
| CN206017880U (en) | A kind of Multifunctional stop valve | |
| CN104329464A (en) | Safe packing seal structure | |
| CN206592570U (en) | A kind of pipeline ball valve with fire-proof function | |
| CN207421388U (en) | A kind of sanitation-grade three pieces Packaged ball valve | |
| CN204004537U (en) | Lubricating type stopcock | |
| CN208919345U (en) | A kind of three eccentricity hard seal butterfly valve | |
| CN206958330U (en) | A kind of overcritical extra-high voltage Y shape manual shutoff check-valves without spin | |
| CN205896371U (en) | Anti inside and outside inspersed triple valve rods of granule nature medium move sealing device | |
| CN207246443U (en) | A kind of bidirectional sealed butterfly valve | |
| CN206592568U (en) | A kind of sophisticated formula electrostatic proof safety ball valve | |
| CN206257291U (en) | A kind of heavy caliber vacuum butterfly valve | |
| CN205896251U (en) | High temperature ball valve that floats sealed firmly | |
| CN208204094U (en) | A kind of hard sealing screw thread three-way ball valve | |
| CN207261689U (en) | One kind is threaded into formula bronze valve | |
| CN204628625U (en) | A kind of full-metallic hard seal ball valve | |
| CN216555473U (en) | Tank bottom ball valve | |
| CN207830572U (en) | A kind of buried gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200330 Address after: 225400 north side of Junmin Road, Huangqiao Industrial Park, Taixing City, Taizhou City, Jiangsu Province Patentee after: Lampa control valve (Jiangsu) Co.,Ltd. Address before: 201400, 699, Lane 12, Chang Weng Temple Road, Shanghai, Fengxian District Patentee before: LAPAR CONTROL VALVE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |