CN204083291U - A kind of lightweight plates gate valve - Google Patents
A kind of lightweight plates gate valve Download PDFInfo
- Publication number
- CN204083291U CN204083291U CN201420500900.8U CN201420500900U CN204083291U CN 204083291 U CN204083291 U CN 204083291U CN 201420500900 U CN201420500900 U CN 201420500900U CN 204083291 U CN204083291 U CN 204083291U
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- valve
- valve body
- flashboard
- output terminal
- medium output
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Abstract
The utility model discloses a kind of lightweight plates gate valve, comprise valve body, valve gap, valve rod and flashboard, one end of described valve body is media inlet end, the other end of described valve body is medium output terminal, described flashboard is loaded in the inner chamber between valve body media inlet end and medium output terminal, the media inlet end of described valve body with medium output terminal is all bolted with one section of PE that can be welded and fixed mutually with external pipe and manages, O RunddichtringO is also equipped with between described PE pipe and valve body media inlet end and medium output terminal, described valve gap is installed on valve body, described valve rod is arranged in valve gap, the upper-end surface of described flashboard is provided with for the inner axial jack axially penetrated of described valve rod, and the port, upper end of described axial jack is embedded with one can form the nut of threaded with described valve rod.Adopt said structure, the utility model provides that a kind of overall weight is comparatively light, the better lightweight plates gate valve of sealability.
Description
Technical field
The utility model relates to a kind of plate valve, is specifically related to a kind of lightweight plates gate valve.
Background technique
At present, plate valve on existing fuel gas transportation pipeline, its structure mainly includes valve body, valve gap, valve rod and flashboard, one end of described valve body is media inlet end, the other end of described valve body is medium output terminal, described flashboard is loaded in the inner chamber between valve body media inlet end and medium output terminal, described valve gap is installed on valve body, described valve rod is arranged in valve gap, and the inner that described valve rod enters in valve body through valve gap is connected with flashboard, described valve rod passes the driving mechanism outer end outside valve gap is connected with for driving it to rotate.During use, described driving mechanism is rotated by actuate valve stem and drives flashboard oscilaltion, thus realizes the control to valve opening and closing state.But in the prior art, also there is following defect in the plate valve for above-mentioned operating mode: 1) valve rod mostly forms rising stem type by support etc. with flashboard and fixes, so not only greatly increase the overall weight of valve, and when described flashboard oscilaltion, valve rod also can along with oscilaltion, thus the height overall size of elongate valve greatly, expand taking up room when valve uses; 2) on valve body, medium output terminal and media inlet end are all connected with fuel gas transportation pipeline by arranging flanged surface, set up flanged surface and add the bolt and nut for being fixedly connected with flanged surface, so also greatly can increase the overall weight of valve, and the sealability of this Placement is also poor, easily there is the hidden danger of gas leakage.
Summary of the invention
For the deficiencies in the prior art, the utility model provides that a kind of overall weight is comparatively light, the better lightweight plates gate valve of sealability.
For achieving the above object, the utility model provides a kind of lightweight plates gate valve, comprise valve body, valve gap, valve rod and flashboard, one end of described valve body is media inlet end, the other end of described valve body is medium output terminal, described flashboard is loaded in the inner chamber between valve body media inlet end and medium output terminal, described valve gap is installed on valve body, described valve rod is arranged in valve gap, and the inner that described valve rod enters in valve body through valve gap is connected with flashboard, described valve rod passes the driving mechanism outer end outside valve gap is connected with for driving it to rotate, the media inlet end of described valve body with medium output terminal is all bolted with one section of PE that can be welded and fixed mutually with external pipe and manages, O RunddichtringO is also equipped with between described PE pipe and valve body media inlet end and medium output terminal, the upper-end surface of described flashboard is provided with for the inner axial jack axially penetrated of described valve rod, and the port, upper end of described axial jack is embedded with one can form the nut of threaded with described valve rod.
The beneficial effects of the utility model are: adopt said structure, in the utility model, people just can realize the connection of valve body and external pipe by one section of PE pipe, namely on one end of described PE pipe media inlet end of being bolted in valve body or medium output terminal, the other end realizes fixing by sweat soldering and outer combustion gas conveyance conduit, due to the connecting tube that PE pipe and vinyl tube are a kind of very lightweights, therefore the overall weight connecting and greatly can reduce valve is managed by PE, simultaneously because being also equipped with O RunddichtringO between described PE pipe and valve body media inlet end and medium output terminal, therefore this Placement effectively can also guarantee sealing, avoid causing gas leakage.In addition, in the utility model, upper-end surface due to described flashboard is provided with for the inner axial jack axially penetrated of described valve rod, and the port, upper end of described axial jack is embedded with one can form the nut of threaded with described valve rod, therefore when driving mechanism actuate valve stem rotates, valve rod itself does not do oscilaltion, but impel nut along its axial direction oscilaltion, nut oscilaltion and then also just drive flashboard oscilaltion, when flashboard rises, the inner of valve rod just penetrates the axial jack interior formation blind rod type connection of flashboard, the normal oscilaltion of flashboard can be ensured like this, valve rod itself again can not with its oscilaltion, thus height overall size when making valve use remains constant, and then also greatly reduce space shared when valve uses, simultaneously above-mentioned linkage structure compared to existing technology in connected by support etc., greatly can also reduce weight.
The utility model can be set to described PE pipe further and also all be set with a protecting jacket with valve body media inlet end and medium output terminal connecting part, and described protecting jacket is welded and fixed mutually with valve body.
Adopt said structure, set up protecting jacket, PE can be promoted further and manage the reliability and sealability that are connected with valve body.
The utility model also can be set to be fixed by sunk screw between described valve body and valve gap further.
Adopt said structure, compare valve body and valve gap in the prior art and generally achieved a fixed connection by bolt and nut, the utility model adopts sunk screw, can alleviate the overall weight of valve further.
The utility model also can be set to be equipped with elastic composite valve seat between the two ends of described flashboard and valve body further, described elastic composite valve seat is by abrasion resistant, ductile seal ring, metal steel core and scrape ring and form, described abrasion resistant, ductile seal ring press-fits between flashboard and valve body, and the end face that contacts with valve body of described abrasion resistant, ductile seal ring offers U-shaped groove, described metal steel core is flush-mounted in abrasion resistant, ductile seal ring, the described ring that scrapes press-fits between abrasion resistant, ductile seal ring and valve body, and contacts with flashboard.
Adopt said structure, described abrasion resistant, ductile seal ring effectively guarantees the good sealing property between flashboard and valve body all the time by the elastic strain interaction energy of the U-shaped groove that it offers; Described metal steel core is flush-mounted in abrasion resistant, ductile seal ring, effectively can promote rigidity when abrasion resistant, ductile seal ring is squeezed; Described scrape ring and then when flashboard oscilaltion, the dirt sticked on ram seal face can be scraped, thus the sealing pair of available protecting flashboard and elastic composite valve seat composition is not easily damaged, and then greatly extend the working life of valve.Meanwhile, because being equipped with elastic composite valve seat between the two ends of described flashboard and valve body, therefore the utility model can form two road sealing pairs between the pipeline of flashboard upstream and downstream, thus effectively guarantees that valve both sides can tight seal No leakage simultaneously.
The utility model also can be set to described valve body also be extended with an extension cavity volume that can enter for described flashboard downwards further, described extension cavity volume also offers outfall, described outfall is equipped with screw plug.
Adopt said structure, by the working medium in outfall discharge valve body under valve-closed state, simultaneously because the utility model has good two way sealed performance, therefore people are by while working medium in outfall discharge valve body, still can keep valve upstream seal pair and the secondary tight seal of downstream seal, thus reach two performance requirement blocking-discharge.
The utility model also can be set to also to be equipped with one in described extension cavity volume further can form with described flashboard the guide pin bushing being socketed and coordinating.
Adopt said structure, coordinated with the socket of flashboard by described guide pin bushing, effectively can prevent trash flow inlet valve body inner chamber in valve switch process, thus greatly reduce the accumulation of dirt in body cavity.
The utility model also can be set to described valve body further and also be equipped with a pressure vent mechanism on its media inlet end and medium output terminal, described pressure vent mechanism includes blowdown piping and control valve, the inner of described blowdown piping is communicated with valve body, and described control valve is loaded on blowdown piping outer end.
Adopt said structure, when people overhaul under valve-closed state, first by opening described control valve, the gas medium in valve media inlet end and medium output terminal can be discharged, thus make people can carry out on-bne repair more safely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the I portion enlarged view of Fig. 1.
Embodiment
As Fig. 1, a kind of lightweight plates gate valve is given shown in 2, comprise valve body 1, valve gap 2, valve rod 3 and flashboard 4, one end of described valve body 1 is media inlet end 11, the other end of described valve body 1 is medium output terminal 12, described flashboard 4 is loaded in the inner chamber 13 between valve body media inlet end 11 and medium output terminal 12, the media inlet end 11 of described valve body 1 with medium output terminal 12 is all bolted with one section of PE pipe 5 that can be welded and fixed mutually with external pipe, O RunddichtringO 51 is also equipped with between described PE pipe 5 and valve body media inlet end 11 and medium output terminal 12, described PE pipe 5 is also all set with a protecting jacket 52 with valve body media inlet end 11 and medium output terminal 12 connecting part, and described protecting jacket 52 is welded and fixed mutually with valve body 1.Described valve gap 2 is installed on valve body 1 by sunk screw 6, described valve rod 3 is arranged in valve gap 2, and the inner that described valve rod 3 enters in valve body 1 through valve gap 2 is connected with flashboard 4, described valve rod 3 passes the driving mechanism 7 outer end outside valve gap 2 is connected with for driving it to rotate, the upper-end surface of described flashboard 4 is provided with for the inner axial jack 41 axially penetrated of described valve rod 3, and the port, upper end of described axial jack 41 is embedded with one can form the nut 42 of threaded with described valve rod 3.Elastic composite valve seat 8 is equipped with between the two ends of described flashboard 4 and valve body 1, described elastic composite valve seat 8 is by abrasion resistant, ductile seal ring 81, metal steel core 82 and scrape ring 83 and form, described abrasion resistant, ductile seal ring 81 press-fits between flashboard 4 and valve body 1, and the end face that contacts with valve body 1 of described abrasion resistant, ductile seal ring 81 offers U-shaped groove 811, described metal steel core 82 is flush-mounted in abrasion resistant, ductile seal ring 81, the described ring 83 that scrapes press-fits between abrasion resistant, ductile seal ring 81 and valve body 1, and contacts with flashboard 4.Described valve body 1 is also extended with an extension cavity volume 14 that can enter for described flashboard 4 downwards, described extension cavity volume 14 also offers outfall 15, described outfall 15 is equipped with screw plug 16, is also equipped with one in described extension cavity volume 14 and can forms with described flashboard 4 guide pin bushing 17 being socketed and coordinating.Described valve body 1 is also equipped with a pressure vent mechanism 9 on its media inlet end 11 and medium output terminal 12, described pressure vent mechanism 9 includes blowdown piping 91 and control valve 92, the inner of described blowdown piping 91 is communicated with valve body 1, and described control valve 82 is loaded on blowdown piping 91 outer end.
Adopt said structure, due in the utility model, described valve body 1 is connected with external pipe by PE pipe 5, described valve body 1 is fixed by sunk screw 6 with valve gap 2, simultaneously described valve rod 3 and flashboard 4 and nut 42 can realize blind rod type and be elevated and coordinate, these can alleviate the overall weight of valve greatly, make plate valve provided by the utility model can being more applied on fuel gas transportation pipeline of lighting.And O RunddichtringO 51 is set between described PE pipe 5 and valve body media inlet end 11 and medium output terminal 12; with at described PE pipe 5, protecting jacket 52 is set with valve body media inlet end 11 and medium output terminal 12 connecting part; and elastic composite valve seat 8 is set between the two ends and valve body 1 of described flashboard 4, then all can the overall sealing performance of poppet greatly.In addition, coordinated with the socket of flashboard 4 by described guide pin bushing 17, effectively can prevent trash flow inlet valve body inner chamber 13 in valve switch process, thus greatly reduce the accumulation of dirt in body cavity 13; Described valve body 1 arranges pressure vent mechanism 9 on its media inlet end 11 and medium output terminal 12, people can be worked as when overhauling under valve-closed state, first by opening described control valve 92, discharge the gas medium in valve media inlet end 11 and medium output terminal 12, thus make people can carry out on-bne repair more safely.
Claims (7)
1. a lightweight plates gate valve, comprise valve body, valve gap, valve rod and flashboard, one end of described valve body is media inlet end, the other end of described valve body is medium output terminal, described flashboard is loaded in the inner chamber between valve body media inlet end and medium output terminal, described valve gap is installed on valve body, described valve rod is arranged in valve gap, and the inner that described valve rod enters in valve body through valve gap is connected with flashboard, described valve rod passes the driving mechanism outer end outside valve gap is connected with for driving it to rotate, it is characterized in that: the media inlet end of described valve body with medium output terminal is all bolted with one section of PE that can be welded and fixed mutually with external pipe and manages, O RunddichtringO is also equipped with between described PE pipe and valve body media inlet end and medium output terminal, the upper-end surface of described flashboard is provided with for the inner axial jack axially penetrated of described valve rod, and the port, upper end of described axial jack is embedded with one can form the nut of threaded with described valve rod.
2. a kind of lightweight plates gate valve according to claim 1, is characterized in that: described PE pipe is also all set with a protecting jacket with valve body media inlet end and medium output terminal connecting part, and described protecting jacket is welded and fixed mutually with valve body.
3. a kind of lightweight plates gate valve according to claim 1, be is characterized in that: fixed by sunk screw between described valve body and valve gap.
4. a kind of lightweight plates gate valve according to claim 1, it is characterized in that: between the two ends of described flashboard and valve body, be equipped with elastic composite valve seat, described elastic composite valve seat is by abrasion resistant, ductile seal ring, metal steel core and scrape ring and form, described abrasion resistant, ductile seal ring press-fits between flashboard and valve body, and the end face that contacts with valve body of described abrasion resistant, ductile seal ring offers U-shaped groove, described metal steel core is flush-mounted in abrasion resistant, ductile seal ring, the described ring that scrapes press-fits between abrasion resistant, ductile seal ring and valve body, and contacts with flashboard.
5. a kind of lightweight plates gate valve according to claim 1, it is characterized in that: described valve body is also extended with an extension cavity volume that can enter for described flashboard downwards, described extension cavity volume also offers outfall, described outfall is equipped with screw plug.
6. a kind of lightweight plates gate valve according to claim 5, is characterized in that: be also equipped with one in described extension cavity volume and can form with described flashboard the guide pin bushing being socketed and coordinating.
7. a kind of lightweight plates gate valve according to claim 1, it is characterized in that: described valve body is also equipped with a pressure vent mechanism on its media inlet end and medium output terminal, described pressure vent mechanism includes blowdown piping and control valve, the inner of described blowdown piping is communicated with valve body, and described control valve is loaded on blowdown piping outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500900.8U CN204083291U (en) | 2014-09-02 | 2014-09-02 | A kind of lightweight plates gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500900.8U CN204083291U (en) | 2014-09-02 | 2014-09-02 | A kind of lightweight plates gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083291U true CN204083291U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500900.8U Active CN204083291U (en) | 2014-09-02 | 2014-09-02 | A kind of lightweight plates gate valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN204083291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422893A (en) * | 2015-12-21 | 2016-03-23 | 上海空间推进研究所 | Sealed gate valve |
| CN107270020A (en) * | 2017-07-03 | 2017-10-20 | 保集团有限公司 | A kind of flat gate valve |
-
2014
- 2014-09-02 CN CN201420500900.8U patent/CN204083291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422893A (en) * | 2015-12-21 | 2016-03-23 | 上海空间推进研究所 | Sealed gate valve |
| CN107270020A (en) * | 2017-07-03 | 2017-10-20 | 保集团有限公司 | A kind of flat gate valve |
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| GR01 | Patent grant |