CN104633157A - Two-piece-type clamping plate valve suitable for pressure tapping and plugging of long-distance pipeline - Google Patents
Two-piece-type clamping plate valve suitable for pressure tapping and plugging of long-distance pipeline Download PDFInfo
- Publication number
- CN104633157A CN104633157A CN201510089601.9A CN201510089601A CN104633157A CN 104633157 A CN104633157 A CN 104633157A CN 201510089601 A CN201510089601 A CN 201510089601A CN 104633157 A CN104633157 A CN 104633157A
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- China
- Prior art keywords
- valve
- valve body
- spool
- ring
- limiting stopper
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
A two-piece-type clamping plate valve suitable for pressure tapping and plugging of a long-distance pipeline comprises a valve body, a screw, a valve core mounted in the valve body, and a bearing gland. The valve body is formed by assembling an upper valve body and a lower valve body, an upper valve seat is arranged at the upper end of the valve core, a lower valve seat is arranged at the lower end of the valve core, a plugging portion used for the valve core is arranged at one end of the lower valve body, a screw mounting portion is arranged at the other end of the lower valve body, a through hole is formed in the screw mounting portion, one end of the screw penetrates the through hole, the bearing gland is used for covering the through hole, and one end of the screw is fixedly connected with the bearing gland. After the technical scheme is adopted, compared with the prior art, the two-piece-type clamping plate valve has the advantages that the whole clamping plate valve is changed into two structures, and only one contact face is sealed, so that good sealing effect and high safety are realized, and overall height is increased; an elastic part is arranged between the valve seats and the valve core, so that sealability between the valve seats and the valve core is improved.
Description
Technical field
The invention belongs to valve technology field, particularly a kind of two-piece type sandwich valve being applicable to long distance pipeline press and open holes, shutoff.
Background technique
Model utility title " welding type sandwich valve ", Authorization Notice No.: CN 201992105U disclose a kind of for petroleum pipeline on for the sandwich valve of shutoff operation, adopt welding manner that valve body is directly fixedly connected with flashboard in above-mentioned patent document, avoid frequently changing seal ring.But valve seat is still provided with multiple seal ring, and seal ring belongs to article of consumption, need to change in time before sealing effect disappears, but the mode of welding makes replacing seal ring extremely inconvenient.Sandwich valves all in prior art all adopts, neutralize lower valve body combines, and above-mentioned three structures define two surface of contact, and each surface of contact will arrange sealing, and what sandwich valve entirety was revealed have a big risk and it is high often to change sealing cost.
In view of this, special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, and claimant chances on, and adopts three valve bodies to be to there be a corn layer in prior art.In general, this is positioned at middle corn layer is all that contractibility is less.Corn layer be positioned at the upper valve body of the upper and lower both sides of corn layer, lower valve body by assemble, just make each layer valve body check and balance, corn layer do not shunk or few contraction.The invention provides a kind of disclosure risk in order to reduce valve, strengthen the Security that it uses, (namely the lower valve body of neutralization is as a whole by solder bond original two seals face to be reduced to one sealing surface, therefore, the middle valve body finally sticked into can not warpage, the deformation of valve body in reducing equally, can certainly go up with middle valve body in conjunction with as a whole), thus effectively lower disclosure risk, improve the Security of valve, and valve mechanism rigidity promotes simultaneously.
Elastic member is set between valve seat and spool to increase the sealing between valve seat and spool.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technological scheme to be:
One is applicable to long distance pipeline press and open holes, the two-piece type sandwich valve of shutoff, comprise valve body, screw mandrel and the spool be loaded in valve body, described valve body has upper valve body and lower valve body to assemble, the upper end of described spool is provided with upper valve base, the lower end of described spool is provided with lower valve base, one end of described lower valve body is provided with for spool closure part described in shutoff, other one end of described lower valve body is provided with screw mandrel assembly department, described screw mandrel assembly department has through hole, one end of described screw mandrel is through described through hole, also comprise the bearing gland for covering described through hole, one end of described screw mandrel is fixedly connected with described bearing gland.
Preferably, the surface of contact of described upper valve base and described upper valve body vertically has the first groove, the first Compress Spring is provided with in described first groove, one end of described first Compress Spring embeds described upper valve body, other one end of described first Compress Spring contacts with the bottom of described first groove, described upper valve base and described spool clamping, described access section is provided with the first seal ring;
The surface of contact of described lower valve base and described lower valve body vertically has the second groove, the second Compress Spring is provided with in described second groove, one end of described second Compress Spring embeds described lower valve body, other one end of described second Compress Spring contacts with the bottom of described second groove, described lower valve base and described spool clamping, described access section is provided with the second seal ring.
Preferably, the lower end of described upper valve base has first ring connected in star, the first O-ring seal limiting stopper is provided with in described annular groove, the upper end width of described first O-ring seal limiting stopper is less than the lower end width of described first O-ring seal limiting stopper, is provided with the first valve core seal ring of annular in the remaining space of the described first O-ring seal limiting stopper of the interior removing of described first ring connected in star;
The upper end of described lower valve base has the second annular groove, the second O-ring seal limiting stopper is provided with in described second annular groove, the lower end width of described second O-ring seal limiting stopper is less than the upper end width of described second O-ring seal limiting stopper, is provided with the second valve core seal ring of annular in the remaining space of the described second O-ring seal limiting stopper of the interior removing of described second annular groove.
Preferably, described screw mandrel is provided with feed screw nut, described feed screw nut is arranged near described spool.
Preferably, described screw mandrel is also provided with thrust-bearing, described thrust-bearing is arranged in described through hole near described bearing gland.
Preferably, described upper valve body has been horizontally disposed with the first bypass valve near described spool place, and described lower valve body has been horizontally disposed with the second bypass valve near described spool place, is provided with communicating passage between described first bypass valve and described second bypass valve.
Adopt after technique scheme, the present invention compared with prior art has following beneficial effect: sandwich valve entirety is become two structures, only seals a surface of contact, and not only good sealing effect, Security are good, and whole height promotes; Elastic member is set between valve seat and spool to increase the sealing between valve seat and spool.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is that the local at B place in Fig. 1 sends out figure large.
In figure: 1-upper valve body, valve body under 2-, 3-spool, 301-first O-ring seal limiting stopper, 302-second O-ring seal limiting stopper, 4-upper valve base, 5-lower valve base, 6-screw mandrel, 7-first Compress Spring, 8-second Compress Spring, 9-first valve core seal ring, 10-second valve core seal ring, 11-feed screw nut, 12-thrust-bearing, 13-bearing gland, 14-first bypass valve, 15-second bypass valve, 16-communicating passage.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, to help understanding content of the present invention.
As shown in Figure 1, one is applicable to long distance pipeline press and open holes, the two-piece type sandwich valve of shutoff, comprise valve body, screw mandrel 6 and the spool 3 be loaded in valve body, valve body has upper valve body 1 and lower valve body 2 to assemble, the upper end of spool 3 is provided with upper valve base 4, the lower end of spool 3 is provided with lower valve base 5, one end of lower valve body 5 is provided with for shutoff spool closure part, other one end of lower valve body 2 is provided with screw mandrel assembly department, screw mandrel assembly department has through hole, one end of screw mandrel 6 is through through hole, also comprise the bearing gland 13 for covering through hole, one end of screw mandrel 6 is fixedly connected with bearing gland 13, replace original on, in, the structure of lower three valve bodies, only a surface of contact is sealed, not only good sealing effect, Security is good, and whole height promotes.
As shown in Figure 2, upper valve base 4 vertically has the first groove with the surface of contact of upper valve body 1, the first Compress Spring 7 is provided with in first groove, one end of first Compress Spring embeds upper valve body 1, other one end of first Compress Spring 7 contacts with the bottom of the first groove, upper valve base 4 and spool 3 clamping, access section is provided with the first valve core seal ring 9.Make upper valve body 1 press down upper valve base 4 by arranging the first Compress Spring 7, thus make upper valve base 4 pressed spool 3 all the time, increase the sealing between upper valve base 4 and spool 3.
Lower valve base 5 vertically has the second groove with the surface of contact of lower valve body 2, the second Compress Spring 8 is provided with in second groove, one end of second Compress Spring 8 embeds lower valve body 2, other one end of second Compress Spring 8 contacts with the bottom of the second groove, lower valve base 5 and spool 3 clamping, access section is provided with the second valve core seal ring 10.Make lower valve body 2 depresses valve seat 5 by arranging the second Compress Spring 8, thus make lower valve base 5 pressed spool 3 all the time, increase the sealing between lower valve base 5 and spool 3.
The lower end of upper valve base 4 has first ring connected in star, the first seal ring limiting stopper 301 is provided with in first ring connected in star, the upper end width of the first seal ring limiting stopper 301 is less than the lower end width (namely the first seal ring limiting stopper 301 is a right-angled trapezium) of the first seal ring limiting stopper 301, the first valve core seal ring 9 of annular is provided with in the remaining space of the interior removing of first ring connected in star the first seal ring limiting stopper 301, when so setting is in order to screw mandrel 6 transmission spool 3, when spool 3 transverse shifting, the first valve core seal ring 9 is unlikely to fall down in first ring connected in star.
The upper end of lower valve base 5 has the second annular groove, the second O-ring seal limiting stopper 302 is provided with in second annular groove, the lower end width of the second O-ring seal limiting stopper 302 is less than the upper end width (namely the second seal ring limiting stopper 302 is a right-angled trapezium) of the second seal ring limiting stopper, the second valve core seal ring 10 of annular is provided with in the remaining space of the interior removing of the second annular groove the second O-ring seal limiting stopper 302, when so setting is in order to screw mandrel 6 transmission spool 3, when spool 3 transverse shifting, second valve core seal ring 10 is unlikely to drop out in the second annular groove.
Screw mandrel 6 is provided with feed screw nut 11, feed screw nut 11 is arranged near spool 3, thus stucking phenomena when avoiding spool 3 straight line motion, complete the normal keying of valve.
Screw mandrel 6 is also provided with thrust-bearing 12, and thrust-bearing 12 is arranged in through hole near bearing gland 13, prevents screw mandrel 6 play when the pressure of pipeline is excessive.
Upper valve body 1 has been horizontally disposed with the first bypass valve 14 near spool 3 place, and lower valve body has been horizontally disposed with between the second bypass valve 15, first bypass valve 14 and the second bypass valve 15 near spool place and has been provided with communicating passage 16, for the pressure at balance valve core about 3 two ends.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. one kind is applicable to long distance pipeline press and open holes, the two-piece type sandwich valve of shutoff, comprise valve body, screw mandrel and the spool be loaded in valve body, it is characterized in that, described valve body has upper valve body and lower valve body to assemble, the upper end of described spool is provided with upper valve base, the lower end of described spool is provided with lower valve base, one end of described lower valve body is provided with for spool closure part described in shutoff, other one end of described lower valve body is provided with screw mandrel assembly department, described screw mandrel assembly department has through hole, one end of described screw mandrel is through described through hole, also comprise the bearing gland for covering described through hole, one end of described screw mandrel is fixedly connected with described bearing gland.
2. the two-piece type sandwich valve being applicable to long distance pipeline press and open holes, shutoff according to claim 1, it is characterized in that, the surface of contact of described upper valve base and described upper valve body vertically has the first groove, the first Compress Spring is provided with in described first groove, one end of described first Compress Spring embeds described upper valve body, other one end of described first Compress Spring contacts with the bottom of described first groove, described upper valve base and described spool clamping, and described access section is provided with the first seal ring;
The surface of contact of described lower valve base and described lower valve body vertically has the second groove, the second Compress Spring is provided with in described second groove, one end of described second Compress Spring embeds described lower valve body, other one end of described second Compress Spring contacts with the bottom of described second groove, described lower valve base and described spool clamping, described access section is provided with the second seal ring.
3. the two-piece type sandwich valve being applicable to long distance pipeline press and open holes, shutoff according to claim 2, it is characterized in that, the lower end of described upper valve base has first ring connected in star, the first O-ring seal limiting stopper is provided with in described first ring connected in star, the upper end width of described first O-ring seal limiting stopper is less than the lower end width of described first O-ring seal limiting stopper, is provided with the first valve core seal ring of annular in the remaining space of the described first O-ring seal limiting stopper of the interior removing of described first ring connected in star;
The upper end of described lower valve base has the second annular groove, the second O-ring seal limiting stopper is provided with in described second annular groove, the lower end width of described second O-ring seal limiting stopper is less than the upper end width of described second O-ring seal limiting stopper, is provided with the second valve core seal ring of annular in the remaining space of the described second O-ring seal limiting stopper of the interior removing of described second annular groove.
4. the two-piece type sandwich valve being applicable to long distance pipeline press and open holes, shutoff according to Claims 2 or 3, is characterized in that, described screw mandrel is provided with feed screw nut, and described feed screw nut is arranged near described spool.
5. the two-piece type sandwich valve being applicable to long distance pipeline press and open holes, shutoff according to claim 1, is characterized in that, described screw mandrel is also provided with thrust-bearing, and described thrust-bearing is arranged in described through hole near described bearing gland.
6. the two-piece type sandwich valve being applicable to long distance pipeline press and open holes, shutoff according to claim 1, it is characterized in that, described upper valve body has been horizontally disposed with the first bypass valve near described spool place, described lower valve body has been horizontally disposed with the second bypass valve near described spool place, is provided with communicating passage between described first bypass valve and described second bypass valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089601.9A CN104633157B (en) | 2015-02-27 | 2015-02-27 | A kind of two-piece type sandwich valve being applied to long distance pipeline press and open holes, blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089601.9A CN104633157B (en) | 2015-02-27 | 2015-02-27 | A kind of two-piece type sandwich valve being applied to long distance pipeline press and open holes, blocking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104633157A true CN104633157A (en) | 2015-05-20 |
| CN104633157B CN104633157B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510089601.9A Active CN104633157B (en) | 2015-02-27 | 2015-02-27 | A kind of two-piece type sandwich valve being applied to long distance pipeline press and open holes, blocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633157B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018014397A1 (en) * | 2016-07-17 | 2018-01-25 | 杨越 | Lifting and lowering device for underwater pressure tapping system used by unmanned vessel |
| CN109630707A (en) * | 2019-02-25 | 2019-04-16 | 天津绿清管道科技股份有限公司 | Integral splint valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4598732A (en) * | 1983-11-30 | 1986-07-08 | Josef Seeger | Gate valve having internal cooling structure |
| CN201391624Y (en) * | 2009-02-11 | 2010-01-27 | 中国石油天然气管道局 | Pipe plugging sandwich valve |
| CN201954025U (en) * | 2011-01-27 | 2011-08-31 | 保一集团有限公司 | Fireproof buried type dual-seat all-welded flat gate valve |
| CN201992105U (en) * | 2011-02-28 | 2011-09-28 | 辽宁金山阀门有限公司 | Welding type sandwich valve |
| CN102720852A (en) * | 2012-05-31 | 2012-10-10 | 圣博莱阀门有限公司 | Wear-resistant sliding-plate valve |
| CN204140916U (en) * | 2014-10-21 | 2015-02-04 | 上海沪航阀门有限公司 | Sandwich valve |
-
2015
- 2015-02-27 CN CN201510089601.9A patent/CN104633157B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4598732A (en) * | 1983-11-30 | 1986-07-08 | Josef Seeger | Gate valve having internal cooling structure |
| CN201391624Y (en) * | 2009-02-11 | 2010-01-27 | 中国石油天然气管道局 | Pipe plugging sandwich valve |
| CN201954025U (en) * | 2011-01-27 | 2011-08-31 | 保一集团有限公司 | Fireproof buried type dual-seat all-welded flat gate valve |
| CN201992105U (en) * | 2011-02-28 | 2011-09-28 | 辽宁金山阀门有限公司 | Welding type sandwich valve |
| CN102720852A (en) * | 2012-05-31 | 2012-10-10 | 圣博莱阀门有限公司 | Wear-resistant sliding-plate valve |
| CN204140916U (en) * | 2014-10-21 | 2015-02-04 | 上海沪航阀门有限公司 | Sandwich valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018014397A1 (en) * | 2016-07-17 | 2018-01-25 | 杨越 | Lifting and lowering device for underwater pressure tapping system used by unmanned vessel |
| CN109630707A (en) * | 2019-02-25 | 2019-04-16 | 天津绿清管道科技股份有限公司 | Integral splint valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104633157B (en) | 2017-03-01 |
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