CN203131103U - On-line disassembly and assembly structure of top entry fixed ball valve - Google Patents
On-line disassembly and assembly structure of top entry fixed ball valve Download PDFInfo
- Publication number
- CN203131103U CN203131103U CN 201320139747 CN201320139747U CN203131103U CN 203131103 U CN203131103 U CN 203131103U CN 201320139747 CN201320139747 CN 201320139747 CN 201320139747 U CN201320139747 U CN 201320139747U CN 203131103 U CN203131103 U CN 203131103U
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- disassembly
- valve seat
- assembly structure
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Abstract
The utility model relates to an on-line disassembly and assembly structure of a top entry fixed ball valve. The on-line disassembly and assembly structure comprises a valve body, as well as a valve seat and a valve ball which are arranged in the valve body. The on-line disassembly and assembly structure is characterized in that a valve seat spring is further arranged in the valve body, one end of the valve seat spring is pressed against one end of the valve seat, the other end is pressed on the valve body, and the valve ball is arranged at the other end of the valve seat; and a plurality of tapered threaded holes are formed in the valve body, and disassembly and assembly tools for impelling the valve seat to move are installed in the tapered threaded holes. The utility model provides the on-line disassembly and assembly structure which is applied to the top entry fixed ball valve with a small or medium-sized diameter; through the combination of the disassembly and assembly tools and the tapered threat holes as well as the external circular conical surface, close to the ball end, of the valve seat, the requirement for on-line assembly is met; when the on-line disassembly and assembly structure is in use, the disassembly and assembly tools are screwed in or out to compress or release the valve seat spring, so as to achieve the purpose of disassembly and assembly of a ball valve; and the on-line disassembly and assembly structure has the advantages that the structure is simple, the manufacturing cost is saved, the on-line maintenance of valves is realized, and the stopping time and idling period are reduced so as to reduce the economic loss.
Description
Technical field
The utility model relates to a kind of disassembly and assembly structure of fixing ball valve, especially relates to a kind of online disassembly and assembly structure of going up dress formula fixing ball valve.
Background technique
As everyone knows, the characteristics of the full diversion Design of fixing ball valve, it is little, easy to operate to have a resistance of medium, and advantage such as quick is widely used on the oil and natural gas pipeline.But conventional side-mounted fixing ball valve is when breaking down maintenance, and whole valve has to pull down from pipeline, and especially weldering connects valve, be the maintenance valve, have to valve is cut down from pipeline, cause the relevant tube line length time to be stopped and stop production, cause heavy economic losses.
The model utility content
In order to overcome the deficiency of existing side-mounted fixing ball valve technology, the purpose of this utility model is to provide a kind of fixing ball valve online disassembly and assembly structure, by this structure, can realize the last dress formula structure of fixing ball valve, realize the on-line maintenance of valve, reduce the parking economic loss.
The utility model is achieved through the following technical solutions:
A kind of online disassembly and assembly structure of dress formula fixing ball valve of going up, comprise valve body, be arranged on valve seat and valve ball in the valve body, it is characterized in that, in described valve body, also be provided with seating spring, one end of described seating spring resists on valve seat one end, its the other end resists on valve body, and described valve ball is arranged on the other end of valve seat; Described valve body is provided with some taper threads (NPT) hole, and the dismounting frock of impelling valve seat to move is installed in the described taper thread hole, and the utility model compresses or the release seating spring by being screwed into or screwing out the dismounting frock, reaches the purpose of dismounting ball.
Above-mentioned a kind of online disassembly and assembly structure of dress formula fixing ball valve of going up, wherein, also be provided with O type circle and fire prevention graphite packing on described valve seat one end, guarantee and the sealing of valve body normal temperature and the sealing under catching fire that its other end cylindrical side is set to the conical surface suitable with dismounting frock end.
Above-mentioned a kind of online disassembly and assembly structure of dress formula fixing ball valve of going up, wherein, described dismounting frock is set to the hexagon socket cap head screw of taper.
Above-mentioned a kind of online disassembly and assembly structure of dress formula fixing ball valve of going up, wherein, also be provided with the ring-type rectangle groove on the other end of described valve seat, be provided with the seal ring that contacts with ball valve in described ring-type rectangle groove, sealing ring interference fit is pressed into rectangle groove and ball seal.
Above-mentioned a kind of online disassembly and assembly structure of dress formula fixing ball valve of going up, wherein, described taper thread (NPT) hole is provided with four, and it is respectively oil hole and drains drain hole, is set to internal thread in the inboard, end in four described taper threads (NPT) hole.
The utility model is the small-bore online disassembly and assembly structure of going up dress formula fixing ball valve in being applied to, reach the demand of online assembling by the dismounting frock by pommel cylindrical side cone match with taper thread hole and valve seat, during use, by being screwed into or screwing out the dismounting frock, compress or the release seating spring, reach the purpose of dismounting ball; It is simple in structure, has saved cost of production, has realized the on-line maintenance of valve, reduces the off-time of stopping, thereby reduces economic loss.
Description of drawings
Fig. 1 is the partial schematic sectional view of present embodiment.
Fig. 2 is another partial schematic sectional view of present embodiment for Fig. 1.
Main reference character implication is among the figure:
1, valve ball; 2, retainer body; 3, valve body; 4, dismounting frock; 5, spring; 6, spring-leaf retainer; 7, seal ring; 8, O type circle; 9, graphite packing.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1 and Fig. 2, a kind of online disassembly and assembly structure of dress formula fixing ball valve of going up of present embodiment, it comprises valve body 3 and the valve seat 3 and the valve ball 1 that are installed in the valve body and valve seat hole, in valve body 3, also be provided with seating spring 5, one end of this seating spring 5 resists on valve seat 2 one ends, and its other end resists on valve body 3.What valve seat 2 adopted is retainer body, and this retainer body is processed into the conical surface by valve ball 1 end cylindrical side, and this conical surface and dismounting frock end are suitable.Retainer body is provided with four NPT holes, these four NPT holes are respectively oil hole and drain drain hole, the dismounting frock 4 of impelling valve seat to move is installed in the NPT hole, wherein, the front end in four NPT holes is processed into internal thread, and the threaded end of dismounting frock 4 is processed into the hexagon socket cap head screw of taper, suitable with the internal thread in NPT hole, by being screwed into or screwing out dismounting frock 4, dismounting frock 4 is by conical surface compression or discharge seating spring 5, reaches the purpose of dismounting valve ball 1.
In the present embodiment, at retainer body end face processing ring-type rectangle groove, seal ring 7 interference fit are pressed into rectangle groove and spheroid 1 sealing.Be provided with O type circle 8 and fire prevention graphite packing 9 at the retainer body afterbody, guarantee and the sealing of valve body 3 normal temperature and the sealing under catching fire.
Present embodiment is when assembling, put in the valve body and valve seat hole from valve body 3 tops spring-leaf retainer 6 and seating spring 5 earlier, be valve component that retainer body, seal ring 7, O type circle 8 and fire prevention graphite packing 9 are put in the valve body and valve seat hole from the top then, again compression seating spring 5 in the internal thread of the NPT hole site of dismounting frock 4 screw-in valve bodies is pushed valve seat 2 to the valve channel far-end, both sides part same processes is packed into.Again valve ball 1 is packed into from the top-portion apertures of valve body 3, screw out dismounting frock 4 then, finish the assembling of valve ball; In when dismounting backout dismounting frock 4 then, make its end by the end conical surface effect lower compression seating spring 5 of retainer body, valve seat 2 and valve ball are come off, take out from the valve body top-portion apertures then and get final product, reach the purpose of dismounting.
The utility model is the small-bore online disassembly and assembly structure of going up dress formula fixing ball valve in being applied to, reach the demand of online assembling by the dismounting frock by pommel cylindrical side cone match with taper thread hole and valve seat, during use, by being screwed into or screwing out the dismounting frock, compress or the release seating spring, reach the purpose of dismounting ball; It is simple in structure, has saved cost of production, has realized the on-line maintenance of valve, reduces the off-time of stopping, thereby reduces economic loss.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. go up the online disassembly and assembly structure of dress formula fixing ball valve, comprise valve body, be arranged on valve seat and valve ball in the valve body, it is characterized in that, in described valve body, also be provided with seating spring, one end of described seating spring resists on valve seat one end, its the other end resists on valve body, and described valve ball is arranged on the other end of valve seat; On described valve body, also be provided with some taper threads hole, the dismounting frock of impelling valve seat to move is installed in the described taper thread hole.
2. the online disassembly and assembly structure of dress formula fixing ball valve of going up according to claim 1 is characterized in that, also is provided with O type circle and fire prevention graphite packing on described valve seat one end, and its other end cylindrical side is set to the conical surface suitable with dismounting frock end.
3. the online disassembly and assembly structure of dress formula fixing ball valve of going up according to claim 1 and 2 is characterized in that described dismounting frock is set to the hexagon socket cap head screw of taper.
4. the online disassembly and assembly structure of dress formula fixing ball valve of going up according to claim 1 is characterized in that, also is provided with the ring-type rectangle groove on the other end of described valve seat, is provided with the seal ring that contacts with ball valve in described ring-type rectangle groove.
5. the online disassembly and assembly structure of dress formula fixing ball valve of going up according to claim 1 is characterized in that described taper thread hole is provided with four, and it is respectively oil hole and drains drain hole, is set to internal thread in the inboard, end in four described taper thread holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139747 CN203131103U (en) | 2013-03-26 | 2013-03-26 | On-line disassembly and assembly structure of top entry fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139747 CN203131103U (en) | 2013-03-26 | 2013-03-26 | On-line disassembly and assembly structure of top entry fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203131103U true CN203131103U (en) | 2013-08-14 |
Family
ID=48939083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320139747 Expired - Fee Related CN203131103U (en) | 2013-03-26 | 2013-03-26 | On-line disassembly and assembly structure of top entry fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203131103U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148237A (en) * | 2013-03-26 | 2013-06-12 | 昆山维萨阀门有限公司 | On-line dismounting structure of top-mounted fixed ball valve |
| CN108581919A (en) * | 2018-04-25 | 2018-09-28 | 三门核电有限公司 | A kind of disintegration, assemble method and the specific purpose tool of bimetallic hard seal fixing ball valve |
| CN110450094A (en) * | 2019-09-18 | 2019-11-15 | 东风(十堰)车身部件有限责任公司 | A kind of specific purpose tool for separate vacuum booster and automobile brake pedal assembly |
-
2013
- 2013-03-26 CN CN 201320139747 patent/CN203131103U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148237A (en) * | 2013-03-26 | 2013-06-12 | 昆山维萨阀门有限公司 | On-line dismounting structure of top-mounted fixed ball valve |
| CN108581919A (en) * | 2018-04-25 | 2018-09-28 | 三门核电有限公司 | A kind of disintegration, assemble method and the specific purpose tool of bimetallic hard seal fixing ball valve |
| CN110450094A (en) * | 2019-09-18 | 2019-11-15 | 东风(十堰)车身部件有限责任公司 | A kind of specific purpose tool for separate vacuum booster and automobile brake pedal assembly |
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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: 20130814 Termination date: 20190326 |