CN203604679U - Hydraulic plunger type parallel opening flat gate valve - Google Patents
Hydraulic plunger type parallel opening flat gate valve Download PDFInfo
- Publication number
- CN203604679U CN203604679U CN201320798046.3U CN201320798046U CN203604679U CN 203604679 U CN203604679 U CN 203604679U CN 201320798046 U CN201320798046 U CN 201320798046U CN 203604679 U CN203604679 U CN 203604679U
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- valve
- flashboard
- sealing
- sealing seat
- valve rod
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Abstract
The utility model discloses a hydraulic plunger type parallel opening flat gate valve which comprises a valve body. A fluid flow passage is formed inside the valve body. A wedge disc is arranged inside the fluid flow passage. A valve rod which drives the wedge disc to conduct vertical reciprocating motion in the direction perpendicular to the fluid flow passage is arranged on the wedge disc. A valve cavity is formed in one side of the valve body. An opening and closing hole is formed in the valve body. The position where the valve rod penetrates out of the valve cavity and the inner wall of the valve cavity are arranged in a sealed mode. A sealing device is arranged at the position where the valve rod is connected with the wedge disc. The outer side of the sealing device is in sealing fit with the opening and closing hole. The sealing device comprises a sealing base. A sealing cavity is formed inside the sealing base. The end, close to the wedge disc, of the valve rod stretches into the sealing cavity, and a plunger is arranged at the end, stretching into the sealing cavity, of the valve rod. The two sides of the sealing base are provided with sealing discs. A tension spring is arranged between the sealing discs. A wedge disc through hole communicated with the fluid flow passage is formed in the wedge disc. According to the hydraulic plunger type parallel opening flat gate valve, on the basis of the inner cavity hydraulic control switching principle, the torque is small when the wedge disc is opened, abrasion is tiny, no friction exists, and the service life of the flat gate valve is effectively prolonged.
Description
Technical field
The utility model relates to plate valve technical field, is specifically related to a kind of hydraulic pressure plug type parallel type and struts plate valve.
Background technique
Plate valve is that a kind of closure member is the slide-valve of parallel gate plate.Its closure member can be Single disc or therebetween with the double-flashboard of spreading mechanism.Flashboard is to be controlled by effect and the pressure medium of unsteady flashboard or floating valve seat to the impacting force of valve seat.If Double Disc Flat Gate Valves, the spreading mechanism between two flashboards can supplement this impacting force.
Existing plate valve makes because the inwall of flashboard and valve body is provided with sealing pair in opening and closing, while opening flashboard, flashboard moving direction vertical with the direction of described medium fluid, not only can be subject to the resistance of medium fluid, can be subject to the resistance from sealing pair simultaneously, when unlatching, needed hoisting capacity is large, and the wearing and tearing between sealing pair are large, can reduce the working life of plate valve.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of and opened and closed that moment is light, the hydraulic pressure plug type parallel type little, long service life that weares and teares struts plate valve.
To achieve these goals, the utility model has adopted following technological scheme:
A kind of hydraulic pressure plug type parallel type struts plate valve, comprise valve body, in described valve body, be provided with fluid passage, in fluid passage, be provided with flashboard, described flashboard is provided with the valve rod that drives flashboard to pump along the direction vertical with fluid passage, one side of described valve body is provided with valve pocket, described valve body is provided with the keying hole of communication of fluid passage and valve pocket, described valve rod is successively through opening and closing hole, valve pocket also passes described valve pocket, described valve rod passes valve pocket place and described valve pocket inner wall sealing setting, described valve rod and flashboard joint are provided with seal arrangement, the outside of described seal arrangement and described keying hole are sealed and matched, described seal arrangement comprises sealing seat, in described sealing seat, be provided with Seal cage, described valve rod stretches in Seal cage by one end of flashboard, and be provided with piston in one end that valve rod stretches into Seal cage, described sealing seat is provided with seal disc by the both sides of fluid passage, between described seal disc, be provided with extension spring, described flashboard is arranged between two seal discs and with described seal disc and sealing seat and jointly forms Seal cage described above by one end of valve rod, flashboard is provided with and forms the flashboard through hole that fluid passage is communicated with.
As preferably, the outer side wall of described sealing seat is provided with sealing seat short slot, described flashboard is provided with flashboard short slot by the outer side wall of one end of valve rod, the two ends of described seal disc are embedded respectively in described sealing seat short slot and flashboard short slot, form sealing seat and the spacing setting of flashboard to seal disc.Adopt after above-mentioned preferred version, seal disc is not easy to produce slippage, and the better effects if of fluid-encapsulated passage is avoided leaking.
As preferably, described sealing seat comprises sealing seat body and sealing seat limit body, and described sealing seat body is provided with the sealing seat through hole passing through for valve rod, and described piston is arranged in sealing seat limit body.Adopt after above-mentioned preferred version, remove and install convenient.
As preferably, one section of outer side wall that described valve rod does not stretch into Seal cage is provided with spacing block set, and described spacing block set is arranged in described valve pocket.Adopt after above-mentioned preferred version, spacing block set arrange can limited piston in Seal cage movable stroke, avoid valve rod excessively to stretch into Seal cage, and seal arrangement damaged.
As preferably, described valve body is provided with valve body valve cavity wall by a side of valve pocket, on described valve body valve cavity wall, is covered with valve gap, and described valve body valve cavity wall coordinates the valve pocket of formation sealing setting described above with described valve bonnet seal.Adopt after above-mentioned preferred version, removing and installing of valve pocket is convenient.
As preferably, the sidewall of described valve pocket is provided with the pod apertures device for regulating valve pocket inner fluid flow.Adopt after above-mentioned preferred version, arranging of pod apertures device can regulate the capacity of the fluid in valve pocket, thereby can regulate the pressure in hydrodynamic pressure and the Seal cage in valve pocket.
As preferably, described valve rod passes valve pocket and passes valve pocket place at valve rod away from a side of flashboard and is provided with filler device, and described valve rod passes described filler device, and passes filler device place at it and be provided with valve rod operation equipment.Adopt after above-mentioned preferred version, the sealing of valve rod and valve gap is better, and arranging of valve rod operation equipment facilitates staff to operate valve rod.
As preferably, the side that described valve body deviates from valve pocket is provided with auxiliary valve pocket, and described valve body is provided with the auxiliary hole that opens and closes by auxiliary valve pocket place, and described flashboard is arranged in described auxiliary valve pocket, and described flashboard coordinates with described auxiliary keying hole inner wall sealing.Adopt after above-mentioned preferred version, the structure of valve body is compacter.
Hydraulic pressure plug type parallel type of the present utility model struts plate valve and adopts intracavity liquid pressure-controlled on-off principle, while opening flashboard moment light, wear and tear small, without friction, the working life of effectively having improved plate valve.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Embodiment
As shown in Figure 1-2, embodiment of the present utility model specifically a kind of hydraulic pressure plug type parallel type struts plate valve, comprises valve body 1, is provided with fluid passage 11 in valve body 1, and the two ends of fluid passage 11 are provided with adpting flange 111.In fluid passage 11, be provided with flashboard 2.Flashboard 2 is provided with valve rod 3, valve rod 3 can drive flashboard 2 to pump along valve rod 3 direction vertical with fluid passage 11, one side of valve body 1 is provided with valve pocket 4, valve body 1 is provided with the keying hole 12 of communication of fluid passage 11 and valve pocket 4, and valve rod 3 is successively through opening and closing hole 12, valve pocket 4 and passing valve pocket 4.Valve rod 3 passes valve pocket 4 places and valve pocket 4 inner wall sealing settings, and valve rod 3 is provided with seal arrangement 5 with flashboard 2 joints, and the outside of seal arrangement 5 is sealed and matched with keying hole 12.
One section of outer side wall that valve rod 3 does not stretch into Seal cage 52 is provided with spacing block set 31, and spacing block set 31 is arranged in valve pocket 4.Valve body 1 is provided with valve body valve cavity wall 13 by a side of valve pocket 4, is covered with valve gap 6 on valve body valve cavity wall 13, and valve body valve cavity wall 13 is sealed and matched and forms the valve pocket 4 that above-mentioned sealing arranges with valve gap 6.The sidewall of valve pocket 4 is provided with the pod apertures device 61 for regulating valve pocket 4 inner fluid flows.Valve rod 3 passes valve pocket 4 and passes valve pocket 4 places at valve rod 3 away from a side of flashboard 2 and is provided with filler device 7, and valve rod 3 passes filler device 7, and passes filler device 7 places at it and be provided with valve rod operation equipment 8.Valve rod operation equipment 8 comprises the handwheel 81 being set in the side that valve rod 3 passes filler device 7.
The side that valve body 1 deviates from valve pocket 4 is provided with auxiliary valve pocket 14, and valve body 1 is provided with the auxiliary hole 15 that opens and closes by auxiliary valve pocket 14 places.Flashboard 2 is arranged in auxiliary valve pocket 14, and flashboard 2 coordinates with auxiliary hole 15 inner wall sealings that open and close.
When unlatching, utilize handwheel 81 operating valve levers 3 to move upward, valve rod 3 drives piston 53 to move upward and drives sealing seat 51 to move upward, piston 53 diminishes by the air pressure in the Seal cage 52 of flashboard 2 one sides, both sides sealing dish 54 under the attraction of gas pressure to two seal disc 54 central motions, distance between two seal discs 54 diminishes, seal disc 54 rises to while opening and closing 12 place, hole, seal disc 54 is thrown off completely with the sealing that opens and closes hole 12 hole walls, fluid passage 11 parts are passed through from the gap between seal disc 54 and keying hole 12, the resistance that flashboard 2 is subject to is little, easily open,
While closing, utilize handwheel 81 operating valve levers 3 to move downward, valve rod 3 drives piston 53 to move downward and drive sealing seat 51 to move downward, piston 53 becomes large by the air pressure in the Seal cage 52 of flashboard 2 one sides, both sides sealing dish 54 is to the fluid passage 11 direction motions in outside separately under gas pressure promotes, and two seal discs 54 are open, and it is large that distance between the two becomes, seal disc 54 forms sealing with opening and closing hole 12, thus throttle down.
Claims (8)
1. a hydraulic pressure plug type parallel type struts plate valve, comprise valve body, in described valve body, be provided with fluid passage, in fluid passage, be provided with flashboard, described flashboard is provided with the valve rod that drives flashboard to pump along the direction vertical with fluid passage, it is characterized in that: a side of described valve body is provided with valve pocket, described valve body is provided with the keying hole of communication of fluid passage and valve pocket, described valve rod is successively through opening and closing hole, valve pocket also passes described valve pocket, described valve rod passes valve pocket place and described valve pocket inner wall sealing setting, described valve rod and flashboard joint are provided with seal arrangement, the outside of described seal arrangement and described keying hole are sealed and matched, described seal arrangement comprises sealing seat, in described sealing seat, be provided with Seal cage, described valve rod stretches in Seal cage by one end of flashboard, and be provided with piston in one end that valve rod stretches into Seal cage, described sealing seat is provided with seal disc by the both sides of fluid passage, between described seal disc, be provided with extension spring, described flashboard is arranged between two seal discs and with described seal disc and sealing seat and jointly forms Seal cage described above by one end of valve rod, flashboard is provided with and forms the flashboard through hole that fluid passage is communicated with.
2. hydraulic pressure plug type parallel type according to claim 1 struts plate valve, it is characterized in that: the outer side wall of described sealing seat is provided with sealing seat short slot, described flashboard is provided with flashboard short slot by the outer side wall of one end of valve rod, the two ends of described seal disc are embedded respectively in described sealing seat short slot and flashboard short slot, form sealing seat and the spacing setting of flashboard to seal disc.
3. hydraulic pressure plug type parallel type according to claim 1 and 2 struts plate valve, it is characterized in that: described sealing seat comprises sealing seat body and sealing seat limit body, described sealing seat body is provided with the sealing seat through hole passing through for valve rod, and described piston is arranged in sealing seat limit body.
4. hydraulic pressure plug type parallel type according to claim 1 and 2 struts plate valve, it is characterized in that: one section of outer side wall that described valve rod does not stretch into Seal cage is provided with spacing block set, and described spacing block set is arranged in described valve pocket.
5. hydraulic pressure plug type parallel type according to claim 1 struts plate valve, it is characterized in that: described valve body is provided with valve body valve cavity wall by a side of valve pocket, on described valve body valve cavity wall, be covered with valve gap, described valve body valve cavity wall coordinates the valve pocket that forms sealing setting described above with described valve bonnet seal.
6. hydraulic pressure plug type parallel type according to claim 5 struts plate valve, it is characterized in that: the sidewall of described valve pocket is provided with the pod apertures device for regulating valve pocket inner fluid flow.
7. hydraulic pressure plug type parallel type according to claim 1 and 2 struts plate valve, it is characterized in that: described valve rod passes valve pocket and passes valve pocket place at valve rod away from a side of flashboard and is provided with filler device, described valve rod passes described filler device, and passes filler device place at it and be provided with valve rod operation equipment.
8. hydraulic pressure plug type parallel type according to claim 1 and 2 struts plate valve, it is characterized in that: the side that described valve body deviates from valve pocket is provided with auxiliary valve pocket, described valve body is provided with the auxiliary hole that opens and closes by auxiliary valve pocket place, described flashboard is arranged in described auxiliary valve pocket, and described flashboard coordinates with described auxiliary keying hole inner wall sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798046.3U CN203604679U (en) | 2013-12-05 | 2013-12-05 | Hydraulic plunger type parallel opening flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798046.3U CN203604679U (en) | 2013-12-05 | 2013-12-05 | Hydraulic plunger type parallel opening flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604679U true CN203604679U (en) | 2014-05-21 |
Family
ID=50717353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798046.3U Expired - Fee Related CN203604679U (en) | 2013-12-05 | 2013-12-05 | Hydraulic plunger type parallel opening flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604679U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065700A (en) * | 2015-07-13 | 2015-11-18 | 哈托利海托阀门（杭州）有限公司 | Self-sealing gate valve structure |
| CN105090607A (en) * | 2015-07-13 | 2015-11-25 | 哈托利海托阀门（杭州）有限公司 | High-sealing-performance gate valve |
| CN107842618A (en) * | 2017-12-05 | 2018-03-27 | 博纳斯威阀门股份有限公司 | A kind of hydraulic drive two way seal axial-flow type stop valve |
| CN109139947A (en) * | 2018-09-19 | 2019-01-04 | 江苏金石机械集团有限公司 | A kind of non-through formula is surged valve piston apparatus |
| CN111271476A (en) * | 2020-01-20 | 2020-06-12 | 陈少同 | Stop valve |
| CN111350833A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
| CN111350830A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
-
2013
- 2013-12-05 CN CN201320798046.3U patent/CN203604679U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065700A (en) * | 2015-07-13 | 2015-11-18 | 哈托利海托阀门（杭州）有限公司 | Self-sealing gate valve structure |
| CN105090607A (en) * | 2015-07-13 | 2015-11-25 | 哈托利海托阀门（杭州）有限公司 | High-sealing-performance gate valve |
| CN105065700B (en) * | 2015-07-13 | 2017-07-18 | 哈托利海托阀门（杭州）有限公司 | A kind of self-sealed gate valve structure |
| CN105090607B (en) * | 2015-07-13 | 2017-10-31 | 哈托利海托阀门（杭州）有限公司 | A kind of high leakproofness gate valve |
| CN107842618A (en) * | 2017-12-05 | 2018-03-27 | 博纳斯威阀门股份有限公司 | A kind of hydraulic drive two way seal axial-flow type stop valve |
| CN107842618B (en) * | 2017-12-05 | 2024-04-30 | 博纳斯威阀门股份有限公司 | Hydraulic transmission bidirectional sealing axial flow type stop valve |
| CN109139947A (en) * | 2018-09-19 | 2019-01-04 | 江苏金石机械集团有限公司 | A kind of non-through formula is surged valve piston apparatus |
| CN109139947B (en) * | 2018-09-19 | 2023-11-17 | 江苏金石机械集团有限公司 | Non-penetrating hydraulic valve piston device |
| CN111271476A (en) * | 2020-01-20 | 2020-06-12 | 陈少同 | Stop valve |
| CN111350833A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
| CN111350830A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
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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 |
Granted publication date: 20140521 Termination date: 20171205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |