CN204213376U - Wedge-type seal gate valve - Google Patents
Wedge-type seal gate valve Download PDFInfo
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- CN204213376U CN204213376U CN201420610865.5U CN201420610865U CN204213376U CN 204213376 U CN204213376 U CN 204213376U CN 201420610865 U CN201420610865 U CN 201420610865U CN 204213376 U CN204213376 U CN 204213376U
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Abstract
The utility model relates to a kind of gate valve, particularly a kind of wedge-type seal gate valve.The utility model provides a kind of wedge-type seal gate valve, include valve body, the medium be located on valve body enter runner, medium flows out runner and connection chamber, valve seat, can with the actuator of the wedge shape flashboard of valve base sealing, valve rod and actuate valve stem, sealing place of valve seat and wedge shape flashboard is provided with hard metal sealing block, wedge shape flashboard includes and is connected top seal part and lower sealing portion with valve rod, top seal part includes gate panel body, and sealing place of gate panel body and valve seat is provided with elastic hard Sealing; Lower sealing portion includes two pieces can the lower rams of opening and closing, and two lower rams offer installation cavity relative to the other end place being connected one end with gate panel body, are provided with expansion sleeve in installation cavity, are provided with the elasticity collision piece of conflicting with expansion sleeve sidewall in expansion sleeve.Adopt technique scheme, provide a kind of good airproof performance, simple, the antileakaging wedge-type seal gate valve of structure.
Description
Technical field
The utility model relates to a kind of gate valve, particularly a kind of wedge-type seal gate valve.
Background technique
Wedge action valve is that between a kind of flashboard and valve inner valve seat, junction plane is the valve body of wedge shape, and it is widely used in the fields such as electric power, oil, chemical industry.
Traditional wedge action valve enters runner primarily of valve body, the medium be located on valve body, medium flows out runner and connecting media enters the connection chamber that runner and medium flow out runner, connection chamber and medium enter runner and medium and flow out between runner and be provided with valve seat, be provided with in connection chamber and or medium can be impelled to enter runner and medium flows out runner conducting or closed wedge shape flashboard with valve base sealing, valve body is provided with and extends in connection chamber and be connected with wedge shape flashboard and the valve rod that can be elevated along valve body, and valve rod drives lifting by actuator.Traditional wedge shape flashboard is divided into two kinds usually, one is two shoe brake plate compositions, is conflicted, realize the sealing between valve seat between two flashboards by spring, but the easily passing in time and eliminating gradually of the elastic force of spring, cause the sealing between flashboard and valve seat to occur unstable situation; It two is integrated type flashboard, and adopt hard to seal between this type of flashboard and valve seat, after sealing surface weares and teares, flashboard does not have elastomeric expansion to conflict, and valve body also can be caused to occur leaking.
Summary of the invention
For the deficiency that prior art exists, the utility model provides a kind of good airproof performance, simple, the antileakaging wedge-type seal gate valve of structure.
For achieving the above object, the utility model provides a kind of wedge-type seal gate valve, include valve body, the medium be located on valve body enters runner, medium flows out runner and connecting media and enters the connection chamber that runner and medium flow out runner, connection chamber and medium enter runner and medium and flow out between runner and be provided with valve seat, be provided with in connection chamber and or medium can be impelled to enter runner and medium flows out runner conducting or closed wedge shape flashboard with valve base sealing, valve body is provided with and extends in connection chamber and be connected with wedge shape flashboard and the valve rod that can be elevated along valve body, valve rod drives lifting by actuator, it is characterized in that: sealing place of described valve seat and wedge shape flashboard is provided with hard metal sealing block, described wedge shape flashboard includes and is connected top seal part and the lower sealing portion hinged with top seal part with valve rod, top seal part includes gate panel body, sealing place of gate panel body and valve seat is provided with elastic hard Sealing, described lower sealing portion includes two pieces can the lower rams of opening and closing, hinged by hinging shaft between two lower rams and gate panel body, two lower rams offer installation cavity relative to the other end place being connected one end with gate panel body, be provided with expansion sleeve in installation cavity, in expansion sleeve, be provided with the elasticity collision piece of conflicting with expansion sleeve sidewall.
Adopt technique scheme, by wedge shape flashboard being set to top seal part and the lower sealing portion hinged with top seal part, top seal part is overall gate panel body, sealing is implemented by elastic hard Sealing between gate panel body and valve seat, cause after can preventing sealing place from wearing and tearing like this leaking, make to keep lasting seals between gate panel body and valve seat, improve sealability, lower sealing portion then can the lower rams of opening and closing form by two pieces, opening and closing are implemented by expansion sleeve and the elasticity collision piece be located in expansion sleeve between two lower rams, thus ensure the sealing of lower sealing portion, above-mentioned setting makes this wedge shape flashboard have two kinds of sealing means simultaneously, i.e. double seal, improve sealing, also not easily there are wearing and tearing simultaneously and leak.
The utility model is set to further: elastic hard Sealing includes the mounting groove be opened on gate panel body, one end extends in mounting groove, the other end be revealed in mounting groove outer and can with the sealing block of the hard metal sealing block gluing, sealing on valve seat, the opening of mounting groove is provided with restriction boss, one end place that sealing block extends in mounting groove is installed with pressing plate, is provided with Compress Spring between this pressing plate and inwall of mounting groove.
Adopt technique scheme, it is simple that structure is set like this, easy accessibility, and Compress Spring is implemented to conflict to sealing block, when after sealing block wearing and tearing, also can keep with the sealing of valve seat, ensure that sealability.
The utility model is further set to: expansion sleeve is provided with at least one and installs cavity volume, and described elasticity collision piece is be arranged in the elastic collar with opening installed in cavity volume.
Adopt technique scheme, after expansion sleeve is subject to the conflict of elasticity collision piece, its expansion face is large, is convenient to the conflict opening and closing to two lower rams; Elasticity collision piece selects the elastic collar with opening to be because elastic collar is cheap, and its elastic force not easily disappears, long service life.
The utility model is further set to: the joint of gate panel body and two lower rams offers attachment hole, and two lower rams are provided with the contiguous block extending to this attachment hole, and attachment hole is cone shape hole, is small end bottom it, and opening is large end.
Adopt technique scheme, the opening and closing being convenient to two lower rams are set like this.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the I portion enlarged diagram of Fig. 1;
Fig. 3 is the II portion enlarged diagram of Fig. 1;
Fig. 4 is the III portion enlarged diagram of Fig. 1.
Embodiment
A kind of wedge-type seal gate valve as Figure 1-Figure 4, include valve body 1, the medium be located on valve body 1 enters runner 11, medium flows out runner 12 and connecting media and enters the connection chamber 13 that runner 11 and medium flow out runner 12, connection chamber 13 and medium enter runner 11 and medium and flow out between runner 12 and be provided with valve seat 2, be provided with in connection chamber 13 and can seal with valve seat 2 or impel medium to enter runner 11 to flow out runner 12 conducting or closed wedge shape flashboard 3 with medium, valve body 1 is provided with and extends in connection chamber 13 and be connected with wedge shape flashboard 3 and the valve rod 4 that can be elevated along valve body 1, valve rod 4 drives lifting by actuator 5, this actuator 5 can be handwheel, also can be motor, valve seat 2 is provided with hard metal sealing block 21 with sealing place of wedge shape flashboard 3, wedge shape flashboard 3 includes and is connected top seal part and the lower sealing portion hinged with top seal part with valve rod 4, top seal part includes gate panel body 31, and gate panel body 31 is provided with elastic hard Sealing 32 with sealing place of valve seat 2, lower sealing portion includes two pieces can the lower rams 33 of opening and closing, hinged by hinging shaft 34 between two lower rams 33 and gate panel body 31, two lower rams 33 offer installation cavity 35 relative to the other end place being connected one end with gate panel body 31, be provided with expansion sleeve 36 in installation cavity 35, in expansion sleeve 36, be provided with the elasticity collision piece 37 of conflicting with expansion sleeve 36 sidewall.In such scheme, by wedge shape flashboard 3 being set to top seal part and the lower sealing portion hinged with top seal part, top seal part is overall gate panel body 31, implement to seal by elastic hard Sealing 32 between gate panel body 31 and valve seat 2, cause after can preventing sealing place from wearing and tearing like this leaking, make to keep lasting seals between gate panel body 31 and valve seat 2, improve sealability, lower sealing portion then can the lower rams 33 of opening and closing form by two pieces, opening and closing are implemented by expansion sleeve 36 and the elasticity collision piece 37 be located in expansion sleeve 36 between two lower rams 33, thus ensure the sealing of lower sealing portion, above-mentioned setting makes this wedge shape flashboard 3 have two kinds of sealing means simultaneously, i.e. double seal, improve sealing, also not easily there are wearing and tearing simultaneously and leak.
In the utility model embodiment, elastic hard Sealing 32 includes the mounting groove 321 be opened on gate panel body 31, one end extends in mounting groove 321, the other end be revealed in mounting groove 321 outer and can with the sealing block 322 of hard metal sealing block 21 gluing, sealing on valve seat 2, the opening of mounting groove 321 is provided with restriction boss 323, one end place that sealing block 322 extends in mounting groove 321 is installed with pressing plate 324, is provided with Compress Spring 325 between this pressing plate 324 and inwall of mounting groove 321.Hard metal sealing block 21 is generally iron block or copper billet, and sealing block 322 is similarly metal material, also can be iron block and copper billet.Compress Spring 325 pairs of sealing blocks 322 are implemented to conflict, and after sealing block 322 weares and teares, also can keep with the sealing of valve seat 2, ensure that sealability.
The utility model selects expansion sleeve 36 to be that its expansion face is large, is convenient to the conflict opening and closing to two lower rams 33, also can implement protection to elasticity collision piece 37 simultaneously due to after expansion sleeve 36 is subject to the conflict of elasticity collision piece 37; Expansion sleeve 36 is provided with at least one and installs cavity volume 361, and elasticity collision piece 37 is for being arranged in the elastic collar with opening installed in cavity volume 361.Certainly, if design needs, can be provided with two or three on expansion sleeve 36 cavity volume 361 is installed, the elastic collar with opening is set respectively in each installation cavity volume 361, elasticity conflict power 37 can be increased.
In order to make can to implement opening and closing between two lower rams 33, the joint of gate panel body 31 and two lower rams 33 offers attachment hole 311, and two lower rams 33 are provided with the contiguous block 331 extending to this attachment hole, and attachment hole 311 is cone shape hole, be small end bottom it, opening is large end.Such setting makes two lower rams 33 and can keep between gate panel body 31 being connected closely, also can not have influence on the opening and closing between two lower rams 33 simultaneously.
Claims (4)
1. a wedge-type seal gate valve, include valve body, the medium be located on valve body enters runner, medium flows out runner and connecting media and enters the connection chamber that runner and medium flow out runner, connection chamber and medium enter runner and medium and flow out between runner and be provided with valve seat, be provided with in connection chamber and or medium can be impelled to enter runner and medium flows out runner conducting or closed wedge shape flashboard with valve base sealing, valve body is provided with and extends in connection chamber and be connected with wedge shape flashboard and the valve rod that can be elevated along valve body, valve rod drives lifting by actuator, it is characterized in that: sealing place of described valve seat and wedge shape flashboard is provided with hard metal sealing block, described wedge shape flashboard includes and is connected top seal part and the lower sealing portion hinged with top seal part with valve rod, top seal part includes gate panel body, sealing place of gate panel body and valve seat is provided with elastic hard Sealing, described lower sealing portion includes two pieces can the lower rams of opening and closing, hinged by hinging shaft between two lower rams and gate panel body, two lower rams offer installation cavity relative to the other end place being connected one end with gate panel body, be provided with expansion sleeve in installation cavity, in expansion sleeve, be provided with the elasticity collision piece of conflicting with expansion sleeve sidewall.
2. wedge-type seal gate valve according to claim 1, it is characterized in that: described elastic hard Sealing includes the mounting groove be opened on gate panel body, one end extends in mounting groove, the other end be revealed in mounting groove outer and can with the sealing block of the hard metal sealing block gluing, sealing on valve seat, the opening of mounting groove is provided with restriction boss, one end place that sealing block extends in mounting groove is installed with pressing plate, is provided with Compress Spring between this pressing plate and inwall of mounting groove.
3. wedge-type seal gate valve according to claim 1 and 2, is characterized in that: described expansion sleeve is provided with at least one and installs cavity volume, and described elasticity collision piece is be arranged in the elastic collar with opening installed in cavity volume.
4. wedge-type seal gate valve according to claim 1 and 2, it is characterized in that: the joint of described gate panel body and two lower rams offers attachment hole, two lower rams are provided with the contiguous block extending to this attachment hole, and attachment hole is cone shape hole, be small end bottom it, opening is large end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610865.5U CN204213376U (en) | 2014-10-11 | 2014-10-11 | Wedge-type seal gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610865.5U CN204213376U (en) | 2014-10-11 | 2014-10-11 | Wedge-type seal gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204213376U true CN204213376U (en) | 2015-03-18 |
Family
ID=52982048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420610865.5U Active CN204213376U (en) | 2014-10-11 | 2014-10-11 | Wedge-type seal gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204213376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020422A (en) * | 2015-07-23 | 2015-11-04 | 氟络塞尔特种阀门(苏州)有限公司 | Novel sluice valve |
| CN108331952A (en) * | 2018-03-23 | 2018-07-27 | 浙江理工大学 | A kind of highly dense gate sealing valve of carrying magnetic structure |
-
2014
- 2014-10-11 CN CN201420610865.5U patent/CN204213376U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020422A (en) * | 2015-07-23 | 2015-11-04 | 氟络塞尔特种阀门(苏州)有限公司 | Novel sluice valve |
| CN105020422B (en) * | 2015-07-23 | 2018-07-03 | 氟络塞尔特种阀门(苏州)有限公司 | A kind of Novel Brake Valve |
| CN108331952A (en) * | 2018-03-23 | 2018-07-27 | 浙江理工大学 | A kind of highly dense gate sealing valve of carrying magnetic structure |
| CN108331952B (en) * | 2018-03-23 | 2024-02-13 | 浙江理工大学 | High sealing gate valve with magnetic structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201506 Shanghai City, Jinshan District Jinshan Industrial Zone No. 368 gold Bailu Patentee after: Shanghai Hongsheng special valve manufacturing Limited by Share Ltd Address before: 201506 Shanghai City, Jinshan District Jinshan Industrial Zone No. 368 gold Bailu Patentee before: Hongsheng Special-Purpose Valve Manufacturing Co., Ltd., Shanghai |