CN204985984U - A fixed ball valve for natural gas long -distance transport pipe - Google Patents
A fixed ball valve for natural gas long -distance transport pipe Download PDFInfo
- Publication number
- CN204985984U CN204985984U CN201520787277.3U CN201520787277U CN204985984U CN 204985984 U CN204985984 U CN 204985984U CN 201520787277 U CN201520787277 U CN 201520787277U CN 204985984 U CN204985984 U CN 204985984U
- Authority
- CN
- China
- Prior art keywords
- valve body
- ring
- valve
- seat
- described valve
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 10
- 239000003345 natural gas Substances 0.000 title abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000003139 buffering effect Effects 0.000 claims abstract description 3
- 238000005299 abrasion Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a fixed ball valve for natural gas long -distance transport pipe, which comprises the following components: a valve body, a valve sea, spheroid and valve rod, be equipped with buffering fine motion spring in disk seat and valve body junction, still be equipped with the roating seat on the valve body, spheroidal bottom sets up in the roating seat, the roating seat sets up with the valve rod symmetry, be equipped with the atress pressure spring between roating seat bottom and valve body, be equipped with sealed metal clamping ring between the lateral part of roating seat and valve body, be equipped with the spacing grooved ring of downward sloping on the inner wall of valve body, be equipped with on the outer wall of valve rod with the spacing arch of spacing grooved ring matched with slope, be equipped with the shrinkage pool ring on the disk seat, be equipped with the wear -resisting layering of metal ring at the shrinkage pool intra -annular, spheroidal lateral surface supports presses on the wear -resisting layering of metal ring. The utility model has the advantages of simple structure, the stability in use is good, can its wear resistance of effectual improvement and fire resistance, improved its stability in use and life greatly, and the suitability is good, and the practicality is strong.
Description
Technical field
The utility model belongs to valve arrangement technical field, is specifically related to a kind of fixing ball valve for Gao Long-distance Transmission Pipeline.
Background technique
Oil, natural gas line use ball valve that ball valve, the oil of prior art, natural gas line use mostly be mainly made up of valve body, valve seat, spheroid and valve seat, although it can realize the control to oil, natural gas line, but its stability in use is comparatively limited, and its fire retardancy is poor, applicability and practicability are restricted.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model is to provide that a kind of structure is simple, stability in use good and the fixing ball valve for Gao Long-distance Transmission Pipeline that applicability is strong.
The technological scheme realizing the utility model object is a kind of fixing ball valve for Gao Long-distance Transmission Pipeline, comprise valve body, valve seat, spheroid and valve rod, buffering hair is provided with at described valve seat and described valve body joint, described valve body is also provided with rotary seat, the bottom of described spheroid is arranged in described rotary seat, described rotary seat and described valve rod are symmetrical arranged, stressed stage clip is provided with bottom described rotary seat and between described valve body, sealing metal pressure ring is provided with between the sidepiece and described valve body of rotary seat, the inwall of described valve body is provided with downward-sloping limited impression ring, the outer wall of described valve rod is provided with the inclination spacing preiection matched with described limited impression ring, described valve seat is provided with shrinkage pool ring, abrasion-resistant metal press strip ring is provided with in described shrinkage pool ring, the outer side surface of described spheroid is pressed on described abrasion-resistant metal press strip ring.
Compress Spring is provided with between described inclination spacing preiection and the top of described valve seat.
Between described inclination spacing preiection and described valve seat, be also provided with stuffing box packing layer, described Compress Spring is through described stuffing box packing layer.
Expanded graphite fire prevention coating is provided with in the outside of described abrasion-resistant metal press strip ring.
The utility model has positive effect: structure of the present utility model is simple, stability in use good, it coordinates rotation pedestal by the limited impression tilted, can effectively improve sealability and working life, adopt abrasion-resistant metal press strip ring at valve seat and spheroid surface of contact simultaneously, can effectively improve its wear-resisting property and fire performance, substantially increase its stability in use and working life, applicability is good, practical.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 shows a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of fixing ball valve for Gao Long-distance Transmission Pipeline, comprise valve body 1, valve seat 2, spheroid 3 and valve rod 4, be provided with at described valve seat 2 and described valve body 1 joint and cushion hair 5, described valve body 1 is also provided with rotary seat 6, the bottom of described spheroid 3 is arranged in described rotary seat 6, described rotary seat 6 is symmetrical arranged with described valve rod 4, stressed stage clip 7 is provided with bottom described rotary seat 6 and between described valve body 1, sealing metal pressure ring 8 is provided with between the sidepiece and described valve body 1 of rotary seat 6, the inwall of described valve body 1 is provided with downward-sloping limited impression ring 9, the outer wall of described valve rod 4 is provided with the inclination spacing preiection 10 matched with described limited impression ring 9, described valve seat 2 is provided with shrinkage pool ring 11, abrasion-resistant metal press strip ring 12 is provided with in described shrinkage pool ring 11, the outer side surface of described spheroid 3 is pressed on described abrasion-resistant metal press strip ring 12.
Compress Spring 13 is provided with between described inclination spacing preiection 10 and the top of described valve seat 2.
Between described inclination spacing preiection 10 and described valve seat 2, be also provided with stuffing box packing layer 14, described Compress Spring 13 is through described stuffing box packing layer 14.
Expanded graphite fire prevention coating 15 is provided with in the outside of described abrasion-resistant metal press strip ring 12.
Structure of the present utility model is simple, stability in use good, it coordinates rotation pedestal by the limited impression tilted, can effectively improve sealability and working life, adopt abrasion-resistant metal press strip ring at valve seat and spheroid surface of contact simultaneously, can effectively improve its wear-resisting property and fire performance, substantially increase its stability in use and working life, applicability is good, practical.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection domain of the present utility model.
Claims (4)
1. the fixing ball valve for Gao Long-distance Transmission Pipeline, comprise valve body, valve seat, spheroid and valve rod, it is characterized in that: be provided with buffering hair at described valve seat and described valve body joint, described valve body is also provided with rotary seat, the bottom of described spheroid is arranged in described rotary seat, described rotary seat and described valve rod are symmetrical arranged, stressed stage clip is provided with bottom described rotary seat and between described valve body, sealing metal pressure ring is provided with between the sidepiece and described valve body of rotary seat, the inwall of described valve body is provided with downward-sloping limited impression ring, the outer wall of described valve rod is provided with the inclination spacing preiection matched with described limited impression ring, described valve seat is provided with shrinkage pool ring, abrasion-resistant metal press strip ring is provided with in described shrinkage pool ring, the outer side surface of described spheroid is pressed on described abrasion-resistant metal press strip ring.
2. the fixing ball valve for Gao Long-distance Transmission Pipeline according to claim 1, is characterized in that: between described inclination spacing preiection and the top of described valve seat, be provided with Compress Spring.
3. the fixing ball valve for Gao Long-distance Transmission Pipeline according to claim 2, is characterized in that: between described inclination spacing preiection and described valve seat, be also provided with stuffing box packing layer, and described Compress Spring is through described stuffing box packing layer.
4. the fixing ball valve for Gao Long-distance Transmission Pipeline according to claim 3, is characterized in that: be provided with Expanded graphite fire prevention coating in the outside of described abrasion-resistant metal press strip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787277.3U CN204985984U (en) | 2015-10-12 | 2015-10-12 | A fixed ball valve for natural gas long -distance transport pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787277.3U CN204985984U (en) | 2015-10-12 | 2015-10-12 | A fixed ball valve for natural gas long -distance transport pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985984U true CN204985984U (en) | 2016-01-20 |
Family
ID=55120352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520787277.3U Expired - Fee Related CN204985984U (en) | 2015-10-12 | 2015-10-12 | A fixed ball valve for natural gas long -distance transport pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985984U (en) |
-
2015
- 2015-10-12 CN CN201520787277.3U patent/CN204985984U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160120 |