CN202228702U - Built-in single-gate valve - Google Patents
Built-in single-gate valve Download PDFInfo
- Publication number
- CN202228702U CN202228702U CN2011202692583U CN201120269258U CN202228702U CN 202228702 U CN202228702 U CN 202228702U CN 2011202692583 U CN2011202692583 U CN 2011202692583U CN 201120269258 U CN201120269258 U CN 201120269258U CN 202228702 U CN202228702 U CN 202228702U
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Abstract
The utility model provides a built-in single-gate valve, which comprises a valve body (1), a push rod (2), a valve plate (6) and a supporting seat (107), wherein the valve body (1) is provided with a closed cavity (7) defined by a first lateral plate (103), a second lateral plate (108) and partition plates (105, 109 and 106) arranged between the first lateral plate (103) and the second lateral plate (108). The front end of the first lateral plate (103) and the front end of the second lateral plate (108) are respectively provided with a first valve port (8) and a second valve port (80) which are communicated with each other. The push rod (2) comprises a driving rod (201) for connecting the power and a valve rod (202), one end of the valve rod (202) is connected with the driving rod (201) and the other end of the valve rod (202) is connected with the valve plate (6). The valve plate (6) is a single-valve plate and used for sealing the inner lateral wall of the first valve port (8) of the first lateral plate (103). The supporting seat (107) for supporting the valve rod (202) is arranged between the valve rod (202) and the second lateral plate (108). The built-in single-gate valve has simple structure and improves clearance of a valve plate channel. Therefore, dust particles cannot easily block the valve plate channel.
Description
Technical field
The utility model relates to a kind of valve, built-in single gate valve that the granular wind powder fluid of particularly a kind of confining zone is used.
Background technique
Existing built-in single gate valve generally adopts bivalve plate two valve ports of opening and closing of fault side simultaneously, is mainly used in the granular wind powder fluid of firepower electrical plant opening and closing of fault band.This valve is with granular wind powder fluid to tend to be deposited near the valve port after using a period of time, stops up the valve plate moving conduit, causes valve plate to close difficulty, influences the sealability of valve.In order to address this problem, boot normally is set below valve port, be with granular wind powder fluid through the boot storage with near collecting valve port.Yet, the extended length of valve of boot is set, increased the manufacture cost of valve, can't use for the mounting point occasions with limited, limited the application area of valve.
The model utility content
The utility model aims to provide a kind of simple in structure, a kind of built-in single gate valve of unidirectional blocking, and valve plate is not closed completely the problem of valve plate passage easy blocking in the existing technology to solve.
To achieve these goals, the utility model provides a kind of built-in single gate valve, comprises; Valve body; This valve body comprises the space bar between first side plate, second side plate and first side plate and second side plate; First side plate, second side plate and space bar form closed inner chamber; The front end of first side plate and second side plate has first valve port of perforation and second valve port of perforation, and the rear end connects an end of support respectively, the other end connection plate of this support; Valve plate, this valve plate places in the closed inner chamber, seals first valve port and second valve port; Push rod, this push rod comprise that the driveshaft that connects power and an end connect the valve rod that driveshaft, the other end connect valve plate; Its structural feature is that valve plate is a single valve plate, seals the first valve port madial wall of first side plate; Between the valve rod and second side plate, be provided with the supporting base that supports valve rod.
Further, supporting base is consolidated in the contiguous second valve port place of madial wall of second side plate.
Further, the supporting surface of supporting base has recess, and the shape of this recess is corresponding with the valve rod section configuration.
Further, the recess internal surface is provided with high-abrasive material; The surface of valve rod is coated with hard chromium layers.
Further, be connected with the end of valve rod through elastic device in the middle of the valve plate.
Further, elastic device comprises: the link that valve plate and valve rod is connected through elastomer; And be set on the connecting rod and the elastomer between valve plate and valve rod.
Further, the sealing secondary surface of the valve plate and first valve port is coated with the wear resistant friction reducing coating respectively.
Further, the material of wear resistant friction reducing coating is selected from following arbitrary cemented carbide: WC, TiB2, SiC or 7Gr13.
Further, valve body also is provided with sealing seat, and the sealing seat is formed sealing pair with the valve rod that passes sealing seat inner chamber is sealed.
A kind of built-in single gate valve of the utility model, because valve plate is a single valve plate, the valve port madial wall of sealing side plate; Simple in structure; With respect to the bivalve plate, increased the headroom of valve plate passage, when closing valve plate; Granule dust can be extruded from the another one valve port, so valve plate is difficult for stopping up.Between valve rod and side plate, be provided with the supporting base that supports valve rod; Valve rod can slide in the recess on supporting base; And supporting base is consolidated in the contiguous valve port of the madial wall place of side plate, and supporting base can be offset the lateral force of valve port to valve plate well when close port like this, and stem surface has been crossed hard chromium layers; The recess inner face of supporting base is provided with high-abrasive material, can improve the working life of mutual slip surface.In addition, the sealing pair of valve plate and valve port is coated with the wear resistant friction reducing coating, has increased the valve plate sealing, improves valve plate working life.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is a kind of built-in single gate valve structure schematic representation of the utility model preferred embodiment;
Fig. 2 is the plan view schematic representation of Fig. 1;
Fig. 3 is along the sectional view schematic representation of A-A direction among Fig. 1; And
Fig. 4 is the local enlarged diagram of valve plate and valve rod joint among Fig. 1.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
In conjunction with seeing figures.1.and.2, a kind of built-in single gate valve preferred embodiments of the utility model comprises valve body 1 and push rod 2.Wherein, push rod 2 is fixed with valve plate 6.Through driving push rod 2, close or open first valve port 8 of valve body 1 to drive valve plate 6.
Valve body 1 comprises that the first relative side plate 103 is with second side plate 108, be connected forward bulkhead 105, back space bar 109 and two blocks of identical lateral spacing plates 106 (referring to Fig. 3) of first side plate 103 and the front-end and back-end of second side plate 108 respectively.Wherein, forward bulkhead 105, back at interval 109 and two blocks of identical lateral spacing plates 106 lay respectively between two first side plates 103 and second side plate 108 around, the centre is formed with the inner chamber 7 of a sealing.First valve port 8 and second valve port, 801, the first valve ports 8 that first side plate 103 and second side plate, 108 front end places have perforation are connected with pipeline through flange with second valve port 801.Valve plate 6 places in the closed inner chamber 7, seals first valve port 8 and second valve port 801.The rear end outer side surface of valve body 1 connects an end of support 102 respectively, the other end connection plate 101 of this support 102.The centre of each support 102 is equipped with elongate slots 1021, and this two elongate slots 1021 is alignd each other.Also have the hole in the middle of the back space bar 109, and on the hole, be provided with a sealing seat 3.
Please combine with reference to Fig. 3, between the valve rod 202 and second side plate 108, be provided with the supporting base 107 that supports valve rod 202, supporting base 107 is cemented in the contiguous valve port of madial wall 801 places of side plate 108.The supporting surface of supporting base 107 is provided with recess, and the present embodiment recess adopts semicircular arc, is provided with high-abrasive material at internal surface.Valve rod 202 is circular pins, and hard chromium layers has been crossed on the surface, and valve rod 202 sliding supports to realize the guiding of valve rod 202 motions, improve the working life of sliding on the semicircular arc face of supporting base 107.And the holding power of 107 pairs of valve rods 202 of supporting base forces valve plate 6 better applying side plates 108, has strengthened sealing effect.
Referring to accompanying drawing 4, for valve plate 6 when sealing first valve port 8 can obtain precompression, valve plate 6 is to be connected with the end of valve rod 202 through the elastic device 5 that is arranged on the central position.Elastic device 5 comprises the elastomer 502 between valve plate 6 and valve rod 202, and the link 501 that valve plate 6 and valve rod 202 is connected through elastomer 502.The concrete structure of elastic device 5 is: the center of valve plate 6 is provided with concentric step hole; Wherein, Be positioned at first valve port, 8 directions, one side and be provided with internal thread than aperture; Be provided with boss 204 than macropore one side, the end of valve rod 202 is provided with the positioning hole 203 perpendicular to valve rod axis, is provided with on the top of positioning hole 203 and boss 204 corresponding recesses.Link 501 is adjustment bolts, has and is with externally threaded head 503 and than minor diameter polished rod portion.Wherein, be combined on the interior threaded hole at valve plate 6 centers with externally threaded head 503, polished rod portion 501 can insert in the positioning hole 203 on the valve rod 202, and elastomer 502 is installed in the bigger hole of valve plate 6.Under the installment state, valve plate 6 and valve rod 202 location can be realized, the precompression of valve plate 6 can be changed with respect to first valve port 8 through adjustment adjustment bolt 501 through boss 204.Present embodiment adopts butterfly spring as elastomer 502.In a further embodiment, elastomer obviously can also adopt like other elastic materials such as rubber, cylindrical springs.
In addition, for increasing the sealability and the working life of valve plate 6 and valve port 8 sealing pairs, valve plate 6 is coated with the wear resistant friction reducing coating respectively with the sealing pair of valve port 8.The material of wear resistant friction reducing coating can be selected one of existing cemented carbide such as WC, TiB2, SiC, 7Gr13.For the valve rod 202 of hermetically passing sealing seat 3, and then closed cavity 7, in sealing seat 3, be filled with known sealing material 301, for example packing.Be pressed on the sealing material 301 with gland 30 again, through bolt adjustment gland 30 compressing degree just can adjust sealing effect between sealing material 301 and the valve rod 202.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. built-in single gate valve comprises:
Valve body (1); Comprise the space bar (105,109,106) between first side plate (103), second side plate (108) and said first side plate (103) and second side plate (108); Said first side plate (103), second side plate (108) and space bar (105,109,106) form closed inner chamber (7); The front end of said first side plate (103) and second side plate (108) has first valve port (8) of perforation and second valve port (801) that connects; The rear end connects an end of support (102) respectively, the other end connection plate (101) of said support (102); Valve plate (6) places in the said closed inner chamber (7), seals said first valve port (8) and second valve port (801);
Push rod (2) comprises that the driveshaft (201) that connects power and an end connect the valve rod (202) that said driveshaft (201), the other end connect valve plate (6); It is characterized in that:
Said valve plate (6) is a single valve plate, seals first valve port (8) madial wall of said first side plate (103); Between said valve rod (202) and said second side plate (108), be provided with the supporting base (107) that supports said valve rod (202).
2. built-in single gate valve according to claim 1 is characterized in that:
Said supporting base (107) is consolidated in contiguous second valve port of madial wall (801) of said second side plate (108) and locates.
3. built-in single gate valve according to claim 2 is characterized in that:
The supporting surface of said supporting base (107) has recess, and the shape of said recess and valve rod (202) section configuration is corresponding.
4. built-in single gate valve according to claim 3 is characterized in that:
Said recess internal surface is provided with high-abrasive material;
The surface of said valve rod (202) is coated with hard chromium layers.
5. built-in single gate valve according to claim 1 is characterized in that:
Said valve plate (6) is connected with the end of said valve rod (202) through elastic device (5).
6. built-in single gate valve according to claim 5 is characterized in that, said elastic device (5) comprising:
The link (501) that said valve plate (6) and said valve rod (202) is connected through said elastomer (502); And
Being set in said connecting rod (501) goes up and is positioned at the elastomer (502) between said valve plate (6) and the said valve rod (202).
7. built-in single gate valve according to claim 5 is characterized in that:
Said valve plate (6) is coated with wear resistant friction reducing coating (601,104) respectively with the sealing secondary surface of said first valve port (8).
8. built-in single gate valve according to claim 7 is characterized in that:
The material of said wear resistant friction reducing coating (601,104) is selected from following arbitrary cemented carbide: WC, TiB2, SiC or 7Gr13.
9. according to any described built-in single gate valve in the claim 1 to 8, it is characterized in that:
Said valve body (1) also is provided with sealing seat (110), and said sealing seat (110) is formed sealing pair with the said valve rod (202) that passes sealing seat (110) inner chamber (7) is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202692583U CN202228702U (en) | 2011-07-27 | 2011-07-27 | Built-in single-gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202692583U CN202228702U (en) | 2011-07-27 | 2011-07-27 | Built-in single-gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228702U true CN202228702U (en) | 2012-05-23 |
Family
ID=46079288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202692583U Expired - Fee Related CN202228702U (en) | 2011-07-27 | 2011-07-27 | Built-in single-gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139818A1 (en) * | 2014-03-18 | 2015-09-24 | Vat Holding Ag | Valve plunger |
-
2011
- 2011-07-27 CN CN2011202692583U patent/CN202228702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139818A1 (en) * | 2014-03-18 | 2015-09-24 | Vat Holding Ag | Valve plunger |
| CN106062942A (en) * | 2014-03-18 | 2016-10-26 | Vat 控股公司 | Valve plunger |
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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: 20120523 Termination date: 20170727 |