CN204403424U - The two-way double-flashboard high pressure sluice valve of leading type - Google Patents
The two-way double-flashboard high pressure sluice valve of leading type Download PDFInfo
- Publication number
- CN204403424U CN204403424U CN201520049821.4U CN201520049821U CN204403424U CN 204403424 U CN204403424 U CN 204403424U CN 201520049821 U CN201520049821 U CN 201520049821U CN 204403424 U CN204403424 U CN 204403424U
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- China
- Prior art keywords
- valve
- hole
- flashboard
- guide
- spool
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Abstract
The utility model relates to the two-way double-flashboard high pressure sluice valve of a kind of leading type.This gate valve comprises mangetic core assembly, mangetic core assembly includes guide spool, guide spool is fixedly connected with valve rod, mangetic core assembly also includes two pilot valve in left and right, pilot valve can axially movably be installed on guide spool side, guide spool is provided with through hole, back pressure spring is provided with in through hole, the two ends of back pressure spring act on the inner side surface of two pilot valve in left and right respectively, the outer side surface of pilot valve has projection, in the protruding groove be located at matchingly on flashboard inner side surface, elastic component is provided with between protruding outer surface and the inwall of groove, flashboard is provided with relief hole, pilot valve is provided with pressure guide hole, guide spool is provided with linked hole, chamber is communicated with through hole by linked hole, elastic component can make through hole through longitudinal compression, pressure guide hole and relief hole UNICOM.This gate valve can realize guide's pressure release, again can the high pressure sluice valve of two-way use.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of two-way double-flashboard high pressure sluice valve with guide's decompression function.
Background technique
Through retrieving in China Intellectual Property Office's patent retrieval and service system, claimant have found the utility model patent (notification number: 202914787U) of a section " wiper seal leading type ultrahigh pressure gate valve " by name, this publication disclose one and belong to the pressure-tight leading type ultrahigh pressure gate valve of dependence, this gate valve is provided with a Spool assembly driven by valve rod, valve core one end of Spool assembly is fixedly connected with a damping plate with damping hole, the other end is provided with a main valve plug slided at valve core inwall, a pilot valve is provided with between damping plate and main valve plug, pilot valve is made up of guide's valve rod and pilot valve, it is driven by lower valve rod by quadratic crank mechanism and spring assembly, lower valve rod is provided with guide's valve rod groove that guide's valve rod extends there through, a close band of master is provided with between main valve seat and main valve plug, pilot valve is limited in main valve plug by the limiting board with the first relief hole, guide's sealing strip is provided with at the second relief hole place of pilot valve and main valve plug.Although this ultrahigh pressure gate valve reduces the pressure reduction between valve import and export by pilot valve, allow gate valve can easily opening and closing, but due to the restriction by structure, this high pressure sluice valve can only be used for unidirectional damming, namely high-pressure medium can only flow to outlet connection from the inlet union of gate valve, allows valve make forward and cuts off, and high-pressure medium can not be allowed conversely to flow to inlet union from outlet connection, allow valve do oppositely to cut off, therefore this guiding high pressure gate valve has certain narrow limitation in use.
Summary of the invention
In view of the deficiency that prior art exists, the utility model innovation provides one and can realize guide's pressure release, again can the high pressure sluice valve of two-way use.This gate valve includes valve body, valve seat and valve gap, described valve gap and valve body form chamber, left and right flashboard is provided with in described valve body, mangetic core assembly is provided with between the flashboard of described left and right, described mangetic core assembly includes guide spool, described guide spool is fixedly connected with valve rod, it is characterized in that: described mangetic core assembly also includes two pilot valve in left and right, described pilot valve can axially movably be installed on guide spool side, described guide spool is provided with through hole, back pressure spring is provided with in described through hole, the two ends of described back pressure spring act on the inner side surface of two pilot valve in left and right respectively, the outer side surface of described pilot valve has projection, described projection is located in the groove on flashboard inner side surface matchingly, elastic component is provided with between the outer surface of described projection and the inwall of groove, described flashboard is provided with relief hole, described pilot valve is provided with pressure guide hole, described guide spool is provided with linked hole, chamber is communicated with through hole by described linked hole, described elastic component can make through hole through longitudinal compression, pressure guide hole and relief hole UNICOM.
The upper surface of described left and right flashboard all has draw-in groove, is arranged with spool holder outside described valve rod, and the position corresponding with draw-in groove, described spool holder both sides has left and right fixture block, and described left and right fixture block is stuck in the draw-in groove of left and right respectively.
Described valve rod is provided with limited part, and described limited part to be positioned at above spool holder and to make spool holder spacing up and down.
Described guide spool side is provided with restraining groove, and described pilot valve can be axially movably located in restraining groove.
Described elastic component is annular spring, and described annular spring is around on protruding outer surface.
Described valve rod is fixedly connected with guide spool by fixing pin.
What the high pressure sluice valve that the utility model provides adopted is double disc parallel seat structure, it drives pilot valve to make the relative movement of itself and double-flashboard by valve rod, thus the elastic component be sandwiched between pilot valve and double-flashboard is slightly compressed longitudinally, the pressure finally ordered about in chamber is let out in pipeline by the pressure guide hole in pilot valve and the relief hole on flashboard, by the mode of this guide's pressure release, just the pressure acted on spool is there is not in the chamber that valve gap and valve body are formed, such spool more easily moves up, and valve will more easily be opened; In addition, the high pressure sluice valve of this structure can two-wayly use, and compared with the technological scheme disclosed in above-mentioned documents, its structure is more simple, seals more stable, comparatively prior art, has substantive distinguishing features and progress.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure sectional drawing;
Fig. 2 is the structural representation of the utility model mangetic core assembly part;
Fig. 3 is the structural representation of guide spool.
Embodiment
Elastic component is by after longitudinal extrusion-deformation, and its left and right sides is outwards squeezed and on the pilot valve 5 acting on the left and right sides and flashboard 3, thus the relief hole 31 on flashboard 3 is communicated with chamber 10, and the pressure in chamber 10 is just let out in pipeline by relief hole 31 and gone.Chamber 10 is formed by valve gap 13 and valve body 1, as shown in Figure 1, valve body 1 has inlet union 11 and does not significantly distinguish with outlet connection 12 with outlet connection 12(inlet union 11 here, both can adjust and Pipe installing, namely can two-wayly use), left and right valve seat 2 is just installed on inlet union 11 respectively with in outlet connection 12, and between left and right valve seat 2, left and right flashboard 3 and guide spool 9 are installed below chamber 10, valve rod 8 is just through chamber 10 and utilizes fixing pin 6 to be fixedly connected with guide spool 9, just left and right flashboard 3 knee-action can be driven by driving guide spool 9 to move up and down, thus realize opening and closedown of gate valve, these are all prior art, but just because of such prior art, current this high pressure sluice valve is all difficult to open, main cause is to have air in chamber 10, when valve rod 8 carries left and right flashboard 3 to rising, highpressure will be formed in chamber 10, thus cause flashboard 3 to be difficult to move up again.
In order to solve the problem, the utility model installs the pilot valve 5 that can move axially for a pair between left and right flashboard 3 and guide spool 9, as shown in Figure 2, through hole 91 is offered in the middle part of guide spool 9, back pressure spring 4 is provided with in this through hole 91, the two ends of back pressure spring 4 act on the inner side surface of two pilot valve 5 in left and right respectively, protruding 50 are had outside pilot valve 5, and on flashboard 3 inner side surface, be provided with groove, the projection 50 of pilot valve 5 is just located in the groove of flashboard 3 matchingly, here the meaning of " coupling " refers to have space between the outer surface of protruding 50 and the inwall of groove, elastic component is just just in space, this elastic component is specially annular spring 32, this annular spring 32 is just around in the outer round surface of protruding 50, when pilot valve 5 is upwards mentioned, annular spring 32 just extrudes by protruding 50 and the longitudinal direction of flashboard 3, now annular spring 32 expands in the lateral direction, finally order about pilot valve 5 to move inward, thus pilot valve 5 is no longer sealed the relief hole 31 on flashboard 3.After relief hole 31 is unimpeded, the air pressure of chamber 10 will be enable to release from relief hole 31, for this reason, the utility model is provided with linked hole 92 on guide spool 9, as shown in Figure 3, chamber 10 is communicated with through hole 91 by this linked hole 92, and in pilot valve 5, be provided with pressure guide hole 51, when annular spring 32 laterally acts on pilot valve 5 with flashboard 3, just gap is formed between pilot valve 5 and flashboard 3, and guide spool 9 and pilot valve 5 also form gap under the effect of back pressure spring 4, through hole 91 is just communicated with relief hole 31 by gap by the pressure guide hole 51 in such pilot valve 5, when valve rod 8 with pilot valve 5 upwards action time, air pressure in chamber 10 is just successively through intercommunicating pore 92, through hole 91, pressure guide hole 51 and relief hole 31, final letting out pipeline from relief hole 31 is gone, just the effect of first pressure release can be played by this structure, thus valve is more easily opened.
From the above, when valve rod moves up with guide spool 9, pilot valve 5 is upwards action thereupon also, namely vertically moves; When pilot valve 5 move up annular spring 32 is extruded to both sides time, pilot valve 5 moves again to the inside, i.e. transverse shifting.Therefore pilot valve 5 can axially movably be arranged on guide spool 9, the utility model is for achieving this end, the structure of concrete employing is provided with restraining groove on the side of guide spool 9, pilot valve 5 is just located in this restraining groove: when valve rod 8 upwards moves with guide spool 9, guide spool 9 just to be put forward pilot valve 5 simultaneously and move up together, when being subject to the active force of annular spring 32 transverse direction, pilot valve 5 is again at restraining groove transverse shifting.But, it is worth mentioning that, pilot valve 5 be realized and only move laterally on guide spool 9, except adopting structure above-mentioned, by cross setting locating stud on guide spool 9, pilot valve 5 can also be allowed to be through on locating stud, so also can to achieve the above object.
What the utility model high pressure sluice valve required for protection adopted is double disc parallel seat structure, keep enough stable in order to allow double-flashboard 3 moving up and down in process, the utility model is also arranged with spool holder 7 outside valve rod 8, as shown in Figure 1, these spool holder 7 both sides have left and right fixture block 71, and be all provided with draw-in groove at the upper surface of left and right flashboard 3, the left and right fixture block 71 of spool holder 7 is just stuck in the draw-in groove of left and right flashboard 3 respectively, by the clamping of spool holder 7, left and right flashboard 3 stability is in the horizontal guaranteed, and in order to allow spool holder 7 also keep firm, the utility model is also provided with limited part 80 on valve rod 8, spool holder 7 is just positioned between limited part 80 and guide spool 9, so no matter horizontal or longitudinal, left and right flashboard 3 is consolidated all fully, thus make flashboard 3 obtain maximum guarantee with the sealing of valve seat 2.
Claims (6)
1. the two-way double-flashboard high pressure sluice valve of leading type, include valve body (1), valve seat (2) and valve gap (13), described valve gap (13) and valve body (1) form chamber (10), left and right flashboard (3) is provided with in described valve body (1), mangetic core assembly is provided with between described left and right flashboard (3), described mangetic core assembly includes guide spool (9), described guide spool (9) is fixedly connected with valve rod (8), it is characterized in that: described mangetic core assembly also includes two pilot valve (5) in left and right, described pilot valve (5) can axially movably be installed on guide spool (9) side, described guide spool (9) is provided with through hole (91), back pressure spring (4) is provided with in described through hole (91), the two ends of described back pressure spring (4) act on the inner side surface of two pilot valve (5) in left and right respectively, the outer side surface of described pilot valve (5) has projection (50), described projection (50) is located in the groove on flashboard (3) inner side surface matchingly, elastic component is provided with between the outer surface of described projection (50) and the inwall of groove, described flashboard (3) is provided with relief hole (31), described pilot valve (5) is provided with pressure guide hole (51), described guide spool (9) is provided with linked hole (92), chamber (10) is communicated with through hole (91) by described linked hole (92), described elastic component can make through hole (91) through longitudinal compression, pressure guide hole (51) and relief hole (31) UNICOM.
2. the two-way double-flashboard high pressure sluice valve of leading type according to claim 1, it is characterized in that: the upper surface of described left and right flashboard (3) all has draw-in groove, spool holder (7) is arranged with outside described valve rod (8), the position corresponding with draw-in groove, described spool holder (7) both sides has left and right fixture block (71), and described left and right fixture block (71) is stuck in the draw-in groove of left and right respectively.
3. the two-way double-flashboard high pressure sluice valve of leading type according to claim 2, is characterized in that: described valve rod (8) is provided with limited part (80), described spacing position (80) in spool holder (7) top and make spool holder (7) spacing up and down.
4. the two-way double-flashboard high pressure sluice valve of leading type according to claim 1 and 2, it is characterized in that: described guide spool (9) side is provided with restraining groove, described pilot valve (5) can be axially movably located in restraining groove.
5. the two-way double-flashboard high pressure sluice valve of leading type according to claim 1 and 2, is characterized in that: described elastic component is annular spring (32), and described annular spring (32) is around on the outer surface of projection (50).
6. the two-way double-flashboard high pressure sluice valve of leading type according to claim 1 and 2, is characterized in that: described valve rod (8) is fixedly connected with guide spool (9) by fixing pin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049821.4U CN204403424U (en) | 2015-01-26 | 2015-01-26 | The two-way double-flashboard high pressure sluice valve of leading type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049821.4U CN204403424U (en) | 2015-01-26 | 2015-01-26 | The two-way double-flashboard high pressure sluice valve of leading type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403424U true CN204403424U (en) | 2015-06-17 |
Family
ID=53427284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520049821.4U Withdrawn - After Issue CN204403424U (en) | 2015-01-26 | 2015-01-26 | The two-way double-flashboard high pressure sluice valve of leading type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204403424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534114A (en) * | 2015-01-26 | 2015-04-22 | 浙江德卡控制阀仪表有限公司 | Pilot bidirectional double-disc high-pressure gate valve |
| CN111609162A (en) * | 2020-06-12 | 2020-09-01 | 蓝晶晶 | Pipeline gate valve |
-
2015
- 2015-01-26 CN CN201520049821.4U patent/CN204403424U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534114A (en) * | 2015-01-26 | 2015-04-22 | 浙江德卡控制阀仪表有限公司 | Pilot bidirectional double-disc high-pressure gate valve |
| CN111609162A (en) * | 2020-06-12 | 2020-09-01 | 蓝晶晶 | Pipeline gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20170801 |