CN205013723U - Soft seal combination formula plate valve - Google Patents
Soft seal combination formula plate valve Download PDFInfo
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- CN205013723U CN205013723U CN201520576345.1U CN201520576345U CN205013723U CN 205013723 U CN205013723 U CN 205013723U CN 201520576345 U CN201520576345 U CN 201520576345U CN 205013723 U CN205013723 U CN 205013723U
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- valve
- plate
- gate valve
- soft seal
- support base
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Abstract
The utility model relates to a gate valve especially relates to a soft seal combination formula plate valve. Including valve body, valve plate, disk seat, gate valve closing mechanism, triangle support, be equipped with the blind plate between valve body and the triangle support, the blind plate can be rotatory around the triangle support, blind plate both ends face is equipped with the sealing washer respectively, the triangle support outside is equipped with the expansion joint, valve plate and gate valve closing mechanism fixed connection, be equipped with the sealing washer between disk seat and the valve plate. This device has the sealed effect of dual safety, simple structure, renewal part convenience, and the preparation and the use of specially adapted heavy -calibre plate valve, application range is wide, and the practicality is strong.
Description
Technical field
The utility model relates to a kind of gate valve, particularly relates to a kind of soft seal combined flat plate gate valve.
Background technique
Gate valve is one of conventional valve in pipework, plate valve is the one in gate valve, its structure characteristic is that uniform thickness valve plate matches with the end face of the two-sided valve seat of valve body, the position relationship of radial regulation valve plate and valve seat, can opening/shutting valve and the discharge value regulating medium.At present, on market, gate valve is primarily of valve body, valve seat, valve plate, driving plate handwheel and the valve rod connecting handwheel and valve plate, valve body is provided with medium and enters and flow pass, controls valve rod and drives valve plate along valve body toward polyslip, thus form the open and close of valve body by handle.Plate valve compact structure, uses extensively, in a large number for various pipes system.But traditional plate valve sealing effect is poor, valve plate bottom and valve body bottom surface stickiness poor, affect its sealability.Particularly at control flue gas, combustion gas, air conduit, higher to the sealing requirements of gate valve, need gate valve to twist extremely completely, gate valve dismounting takes time and effort very much.Therefore, project organization flat-plate gate valve that is reasonable, good seal performance has very high industrial application value.
Summary of the invention
The utility model is poor mainly for traditional plate valve sealing effect, the shortcomings such as dismounting effort, design a kind of plate valve that can be used in flue gas, combustion gas, air conduit, reliable in order to ensure valve closing, be convenient to the maintenance of gate valve subsequent pipeline and equipment, maintenance and replacing etc. simultaneously, devise this assembled flat gate valve structure form.Assembled flat gate valve comprises gate valve body, blind plate and expansion joint part, specifically, be plate valve, blank-plate valve, the Trinitarian assembled flat gate valve of expansion joint, plate valve, blank-plate valve can be realized simultaneously and the three-in-one plate valve of linear expansion is provided.This valve arrangement is simple, easy to manufacture, sealing is reliable, is convenient to the maintenance of subsequent pipeline and equipment, maintenance and replacing.
In order to achieve the above object, the technical solution adopted in the utility model is, a kind of gate valve, comprise valve body, valve plate, valve seat, gate valve switching mechanism, triangular support base, blind plate is provided with between described valve body and triangular support base, described blind plate can rotate around triangular support base, and described blind plate both ends of the surface are respectively equipped with seal ring; Expansion joint is provided with outside described triangular support base; Described valve plate is fixedly connected with gate valve switching mechanism, is provided with seal ring between described valve seat and valve plate.
As preferably, described valve plate is the uniform circular flashboard of thickness.
As preferably, described seal ring is elastic material.
As preferably, described seal ring bottom level cross section is rectangle, and top cross-section is semicircle.
As preferably, described valve seat upper-end surface car has rectangular recess.
As preferably, described valve body and triangular support base end face outside are equipped with the rectangular recess identical with valve seat upper end surface structure.
As preferably, described gate valve any one mode manually, in electronic, pneumatic, electric liquid controls it and opens and closes.
Compared with prior art, advantage of the present utility model and good effect are:
1. this assembled flat gate valve is made up of gate valve body, blind plate and expansion joint part, form plate valve, blank-plate valve, the Trinitarian assembled flat gate valve of expansion joint, plate valve, blank-plate valve can be realized simultaneously and the three-in-one assembled flat gate valve of linear expansion is provided.
2. this assembled flat gate valve utilizes the rebound elasticity of seal ring pressurized, improves sealing reliability, achieves the complete zero leakage of medium.Particularly for toxic and harmful, need often to keep in repair valve subsequent pipeline and equipment, under the operating mode safeguarded, provide dual safety sealing effect.
3. the expansion joint that arranges of this assembled flat gate valve both can extraction duct axial stretching and there is resiliently deformable, simultaneously when opening and closing blind plate, there is elastic shrinkage by the effect of adjusting bolt, make the keying of blind plate be more prone to realize.
4. each functional part split production of this assembled flat gate valve, be convenient to product maintenance, renewal part is convenient, make and user cost low.
5. this combination gate valve structure is simple, easy to manufacture, and making scope is DN200-DN2000mm, is suitable for pressure <0.1MPa, is specially adapted to making and the use of large caliber flat plate gate valve, greatly can improves the using scope of plate valve.
6., according to service condition and field working conditions, this assembled flat gate valve has the multiple executive modes such as manual, electronic, pneumatic, electric liquid available, and using scope is wide, practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that schematic diagram is cutd open on an assembled flat gate valve structure left side;
Fig. 2 is that assembled flat gate valve structure master cuts open schematic diagram;
Fig. 3 is blind plate structure schematic diagram;
Fig. 4 is valve plate, valve seat, blind plate, seal ring coordinate schematic diagram.
Above in each figure, 1 valve body, 2 valve plates, 3-1 valve seat, 3-2 valve seat, 4-1 seal ring, 4-2 seal ring, 5 blind plates, 6 triangular support bases, 7 expansion joints, 8 adjusting bolts.
Embodiment
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with drawings and Examples, the utility model is described further.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model, but, the utility model can also adopt and be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of the specific embodiment of prospectus below.
Embodiment, as shown in Figure 1 and Figure 2, in the present embodiment, gate valve comprises valve body 1, valve plate 2, valve seat 3-1 and 3-2, gate valve switching mechanism, triangular support base 6, blind plate 5 is provided with between valve body 1 and triangular support base 6, blind plate 5 structure as shown in Figure 3, blind plate 5 is slab construction, and center, the left side is the circular hole identical with valve body 1 through-hole diameter, and the right side is solid panel structure.Blind plate 5 can carry out two rotations around triangular support base 6, makes the circular hole of blind plate 5 and solid panel align valve body 1 exit position respectively, realizes the opening and closing operating mode of gate valve.Expansion joint 7 is provided with outside triangular support base 6, expansion joint 7 both can extraction duct flexible pressure and there is resiliently deformable, simultaneously when by adjusting bolt 8 movable triangular bearing 6, also can play the effect of resiliently deformable, for the smooth rotation of blind plate 5 and opening and closing provide the convenience of operation.Described valve plate 2 upper end connects the screw rod of gate valve switching mechanism, and gate valve switching mechanism drives valve plate 2 to move radially by screw rod.As shown in Figure 4, seal ring 4-1 is provided with between valve seat 3-1 and valve plate 2, described seal ring 4-1 is embedded in valve seat 3-1 that (seal ring used in the present embodiment is the integrated member with favorable elasticity made with rubber material and seal ring 4-1 top and valve plate 2 closely cooperate, utilize the rebound elasticity after seal ring pressurized, realize the reliable sealing of valve plate and valve seat, blind plate and valve body).Blind plate 5 comprises two working positions, and when gate valve is opened, blind plate 5 through-hole alignment valve seat 3-1 exit position, realize medium circulation, blind plate 5 both ends of the surface realize blind plate sealing by seal ring 4-2 simultaneously.When gate valve is closed, first valve plate 2 is closed, by adjusting bolt 8, triangular support base 6 is removed a little distance, by blind plate 5 blind hole position alignment valve seat 3-1 exit position, then adjusting bolt is fastening, realize the double-sealing of gate valve, improve the reliability of sealing, achieve the complete zero leakage of medium, namely this gate valve realizes the keying of valve by control blind plate and valve plate position.
Valve plate 2 in the present embodiment is the circular flashboard of uniform thickness, and its upper end is connected with the screw rod of gate valve switching mechanism, and gate valve switching mechanism drives valve plate 2 to move radially by screw rod, realizes the keying of gate valve and the adjustment of MEDIA FLOW flux.Above valve seat 3-1, car has rectangular recess, and seal ring 4-1 is rubber seal, and bottom section is rectangle, top is semicircle, and seal ring 4-1 is embedded in valve seat 3-1, is closely cooperated by the semi-circular top that exposes and valve plate 2, realize the soft sealing structure of gate valve, reach zero leakage.Blind plate 5 is between valve body 1 and triangular support base 6, all there is the rectangular recess structure identical with valve seat 3-1 valve body 1 left side and triangular support base 6 right side, two the seal ring 4-2s identical with seal ring 4-1 are all equipped with in inside, after fastening by adjusting bolt 8, Double End is all pressed on seal ring 4-2, realizes the soft seal of blind plate 5.
When gate valve is closed, valve plate moves to gate valve bottom, and valve plate 2 is pressed to the seal ring 4-1 be arranged on valve seat 3-1 by valve seat 3-2, realizes reliable sealing.After closedown valve plate 2, by adjusting bolt 8 by the solid panel compacting on the blind plate right side, the double-sealing effect of medium can be realized, achieves the complete zero leakage of medium.User can carry out the maintenance of pipeline and equipment, maintenance and replacing at gate valve rear portion.
When gate valve medium needs circulation, first adjusting bolt 8 compression-expansion joint 7 is loosened, after making triangular support base 6 slightly leave blind plate certain distance, rotate blind plate 5, blind plate 5 left side center hole is made to aim at valve body 1 exit position, then after fastening adjustment bolt 8 press seal circle 4-2 and blind plate 5, then open valve plate 2, realize the smooth circulation of medium.
This gate valve can according to service condition and field working conditions, and any one mode manually, in electronic, pneumatic, electric liquid controls it and opens and closes, applied widely.
The above; it is only preferred embodiment of the present utility model; it is not restriction the utility model being made to other form; the Equivalent embodiments that any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as equivalent variations is applied to other field; but everyly do not depart from technical solutions of the utility model content; according to any simple modification, equivalent variations and remodeling that technical spirit of the present utility model is done above embodiment, still belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. a soft seal combined flat plate gate valve, comprise valve body, valve plate, valve seat, gate valve switching mechanism, triangular support base, it is characterized in that: be provided with blind plate between described valve body and triangular support base, described blind plate can rotate around triangular support base, and described blind plate both ends of the surface are respectively equipped with seal ring; Expansion joint is provided with outside described triangular support base; Described valve plate is fixedly connected with gate valve switching mechanism, is provided with seal ring between described valve seat and valve plate.
2. a kind of soft seal combined flat plate gate valve according to claim 1, is characterized in that: described valve plate is the uniform circular flashboard of thickness.
3. a kind of soft seal combined flat plate gate valve according to claim 1, is characterized in that: described seal ring is elastic material.
4. a kind of soft seal combined flat plate gate valve according to claim 3, is characterized in that: described seal ring bottom level cross section is rectangle, and top cross-section is semicircle.
5. a kind of soft seal combined flat plate gate valve according to claim 1, is characterized in that: described valve seat upper-end surface car has rectangular recess.
6. a kind of soft seal combined flat plate gate valve according to claim 1, is characterized in that: described valve body and triangular support base end face outside are equipped with the rectangular recess identical with valve seat upper end surface structure.
7. a kind of soft seal combined flat plate gate valve according to claim 1, is characterized in that: described gate valve any one mode manually, in electronic, pneumatic, electric liquid controls it and opens and closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576345.1U CN205013723U (en) | 2015-08-04 | 2015-08-04 | Soft seal combination formula plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576345.1U CN205013723U (en) | 2015-08-04 | 2015-08-04 | Soft seal combination formula plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013723U true CN205013723U (en) | 2016-02-03 |
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ID=55212327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520576345.1U Active CN205013723U (en) | 2015-08-04 | 2015-08-04 | Soft seal combination formula plate valve |
Country Status (1)
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| CN (1) | CN205013723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649150A (en) * | 2019-03-04 | 2020-09-11 | 株式会社东海 | Knife plate type valve with soft valve seat for strengthening sealing performance |
-
2015
- 2015-08-04 CN CN201520576345.1U patent/CN205013723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649150A (en) * | 2019-03-04 | 2020-09-11 | 株式会社东海 | Knife plate type valve with soft valve seat for strengthening sealing performance |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170509 Address after: 271699 hi tech Development Zone, Tai'an, Shandong, Feicheng Patentee after: Shandong yangguangtianrun Environmental Protection Engineering Co. Ltd. Address before: 271600 Feicheng City, Shandong province high tech Development Zone, Tai'an Patentee before: Shandong Yangguangtianrun Chemical Equipment Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180930 Address after: 271000 Tai'an, Shandong, Feicheng, Xincheng Road, north of Jinniu Mountain street, West City, 4 international 27, 2715. Patentee after: Tai'an yangguangtianrun Chemical Engineering Co., Ltd. Address before: 271699 Feicheng high tech Development Zone, Tai'an, Shandong Patentee before: Shandong yangguangtianrun Environmental Protection Engineering Co. Ltd. |