CN203717979U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN203717979U CN203717979U CN201420067169.4U CN201420067169U CN203717979U CN 203717979 U CN203717979 U CN 203717979U CN 201420067169 U CN201420067169 U CN 201420067169U CN 203717979 U CN203717979 U CN 203717979U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- lobe
- sealing
- lobe plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a stop valve, which comprises a valve body, a valve cover and a valve rod, wherein a valve seat is arranged in the valve body, a valve flap is arranged on the valve rod, the valve flap is in butt contact connection with the valve seat, the valve flap comprises a flap cover and a flap body, the valve rod is arranged in the flap cover in a penetrating way and is fixedly connected with the flap body, the other end, opposite to the valve rod, of the flap body is fixedly connected with a flap plate, the flap body and the flap plate are detachably connected, an annular groove is formed between the flap body and the flap plate, a first annular sealing element is arranged in the annular groove, the outer periphery of the first annular sealing element is respectively in butt contact connection with the valve seat, the first annular sealing element comprises a rigid gasket layer and a soft gasket layer in an alternate overlapping state, and a second sealing element is fixedly arranged on the other end, opposite to the valve rod, of the flap plate. The stop valve has the advantages that the sealing effect between the valve flap and the valve seat is enhanced, so the sealing effect of the valve is better, the work quality is guaranteed, and the work efficiency is higher.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a stop valve.
Background technique
Stop valve, is also pipe valve, is one of most popular a kind of valve, and why very popular it is, be due in switching process between sealing surface frictional force little, more durable, Lift is little, easy to manufacture, easy to maintenance, be not only applicable to mesolow, and be applicable to the feature of high pressure.Stop valve relies on valve rod pressure, makes that flap and valve seat are close to be fitted tightly, and prevention media flow reaches the effect of sealing.But now on market most stop valves all to exist sealing bad, between valve seat and flap, after closure, have the drawback of leakage, can cause very large inconvenience to use like this, cause damage, affect working efficiency.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of compact structure, better tightness, the stop valve of longer service life.
For achieving the above object, the utility model provides following technological scheme: a kind of stop valve, comprise valve body, valve gap and valve rod, in valve body, be provided with valve seat, described valve rod is provided with flap, described flap is conflicted and is connected with valve seat, described flap comprises lobe lid and lobe body, described valve rod is arranged in lobe lid and is fixedly connected with lobe body, the other end of the relative valve rod of described lobe body is fixedly connected with lobe plate, described lobe body and lobe plate removably connect, between described lobe body and lobe plate, establish annular groove, in described annular groove, be provided with the first lip ring, conflict and be connected with valve seat in the outside of described the first lip ring, described the first lip ring comprises rigidity spacer layer and the soft gasket layer being superimposed, on the other end of the relative valve rod of described lobe plate, be fixedly installed the second Sealing.
By adopting technique scheme, in the annular groove forming, be provided with the first lip ring between lobe body and lobe plate, all conflict and be connected with valve seat in the outside of the first lip ring, the first lip ring is to be made by the rigidity spacer layer being superimposed and soft gasket layer, when being subject to the impact force of medium, soft gasket layer plays the effect of buffering, reduce the impact force of medium to the first lip ring, rigidity spacer layer has played the effect of supporting, while being subject to impact force, can guarantee that the first lip ring can not deform, make the first lip ring all the time can be inconsistent with valve seat, such Sealing makes the sealing effect between flap and valve seat better, on lobe plate, be provided with the second Sealing, the second Sealing plays the effect of buffering to medium, reduce the impact force of medium to flap, make that flap is more difficult to be washed open by medium, avoid situation about revealing to occur, on flap, be provided with the first lip ring and the second Sealing, two Sealings play respectively different effects, the first lip ring well seals the gap between flap and valve seat, the second Sealing slows down the impact force of medium to flap, make the tightness between flap and valve seat better, improved whole stop valve sealing, make the workmanship of stop valve secure.
The utility model is further set to: on the side that described rigidity spacer layer and soft gasket layer are in contact with one another, be provided with the sealing surface of indentation, concavo-convex chimeric setting between described rigidity spacer layer and the sealing surface of soft gasket layer.
By adopting technique scheme, change the structure of the sealing surface between rigidity spacer layer and soft gasket layer, make both better tightness, sealing effect is better, when stop valve is closed, makes the sealing of flap and valve seat also better, improved the workmanship of stop valve
The utility model is further set to: described the second Sealing is provided with the mounting groove suitable with lobe plate size, and described lobe plate is fixedly located in mounting groove, and the other end of the relative lobe plate of described the second Sealing is provided with circular groove.
By adopting technique scheme, on the second Sealing, be provided with the mounting groove suitable with lobe plate size, described lobe plate is fixedly located in mounting groove, make the connection of lobe plate and the second Sealing more firm, simple in structure, easy for installation, on the other end of the relative lobe plate of the second Sealing, be provided with circular groove, when stop valve is closed, when in valve, medium rushes at the second Sealing, circular groove on the second Sealing has the effect of compensator or trimmer pressure, pressure rushes at the both sides of the second Sealing by circular groove, slow down pressure, make the tightness of flap and valve seat better, improved the sealing of stop valve integral body.
The utility model is further set to: described rigidity spacer layer is stainless steel flaggy, and described soft gasket layer is asbestos rubber flaggy, and described stainless steel flaggy equates with the thickness of asbestos rubber flaggy.
By adopting technique scheme, the first lip ring is adopted together with such stainless steel flaggy is superimposed with asbestos rubber flaggy, make the better tightness of the first lip ring, stainless steel flaggy plays the effect of support, cotton rubber flaggy is flexible, plays buffering and acts on closely with valve seat, has better improved the sealing of flap and valve seat, the better tightness that makes whole stop valve, working efficiency is secure.
The utility model is further set to: the outer side surface of described the second Sealing is provided with water stop ring.
By adopting technique scheme, on the outer side surface of the second Sealing, be provided with water stop ring, when medium rushes at the second Sealing, the circular groove through on the second Sealing, decomposes pressure to both sides, water stop ring on the second Sealing can make the compact type in flap and valve body better, made better tightness between flap and valve seat, such design assurance flap can not washed open by medium, causes leakage yet, affect the workmanship of valve, improve the reliability of product.
The utility model is further set to: described the second Sealing and lobe plate are for removably connecting.
By adopting technique scheme; when the second Sealing damages; the second Sealing can be disassembled; change; the second Sealing has also played the effect of protection lobe plate; reduce corrosion and impact that lobe plate is directly subject to medium, extended the working life of lobe plate, also make the workmanship of whole stop valve secure.
The utility model is further set to: described lobe plate is provided with the step mounting hole wearing for screw, and described lobe plate is fixedly connected with by screw with lobe body.
By adopting technique scheme, lobe plate is fixedly connected with by screw with lobe body, when the first lip ring damages, lobe plate can be disassembled, change the first lip ring, and simple in structure, easy to operate, make the longer service life of flap, improve the workmanship of whole stop valve.
The utility model is further set to: on described valve gap and valve body, be equipped with the mounting hole of installing for bolt, described bolt includes nut and screw rod, on described screw rod, be arranged with respectively the first resilient pad and the second resilient pad, described the first resilient pad is between nut and valve gap, described the second resilient pad, between nut and valve body, is equipped with locking colored tooth on the end face of described the first resilient pad and the second resilient pad.
By adopting technique scheme, the first resilient pad can prevent from producing between nut and valve gap loosening, the second resilient pad can prevent from producing between nut and valve body loosening, thereby further guarantee the stability between valve gap and valve body, make end valve lid location firm, at stop valve, in the impact that is subject to flowing medium, produce vibrations, or valve gap can not produce after long-time use loosening, make the working efficiency of stop valve higher, workmanship is secure.
The utility model is further set to: between described valve body and valve gap, be provided with rubber washer.
By adopting technique scheme, what between valve body and valve gap, produce rigidly contacts that easily to make it in vibrations process, produce loosening, therefore between valve body and valve gap, rubber washer is set, separate valve body and valve gap, can avoid the rigid contact between it, and rubber washer has elasticity, when being given a shock, stop valve there is buffer function, further prevent that valve body from producing after bolt is connected with valve gap loosening.
The utility model is further set to: described lobe plate is formed by stainless iron material high frequency hardening.
By adopting technique scheme, the lobe plate that adopts stainless iron material high frequency hardening to form, high temperature resistant, corrosion-resistant, not fragile under long-term use, extended working life of lobe plate, also make the workmanship of stop valve secure simultaneously.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of stop valve of the utility model;
Fig. 2 is the sectional view of the second Sealing in Fig. 1;
Fig. 3 is the sectional view of Fig. 1 mesopetalum plate;
Fig. 4 is the sectional view of flap in Fig. 1;
Fig. 5 is the sectional view of the first lip ring in Fig. 1.
In figure: 1, valve body; 2, valve gap; 3, valve rod; 5, valve seat; 6, flap; 60, lobe lid; 61, lobe body; 62, lobe plate; 63, annular groove; 64, the first lip ring; 640, rigidity spacer layer; 641, soft gasket layer; 642, sealing surface; 65, the second Sealing; 650, water stop ring; 651, circular groove; 652, mounting groove; 66, step mounting hole; 7, screw; 8, nut; 9, screw rod; 10, the first resilient pad; 11, the second resilient pad; 12, rubber washer.
Embodiment
Shown in Fig. 5, a kind of stop valve of the present embodiment, comprise valve body 1, valve gap 2 and valve rod 3, in valve body 1, be provided with valve seat 4, described valve rod 3 is provided with flap 6, described flap 6 is conflicted and is connected with valve seat 4, described flap 6 comprises lobe lid 60 and lobe body 61, described valve rod 3 is arranged in lobe lid 60 and is fixedly connected with lobe body 61, the other end of described lobe body 61 relative valve rods 3 is fixedly connected with lobe plate 62, described lobe body 61 removably connects with lobe plate 62, between described lobe body 61 and lobe plate 62, establish annular groove 63, in described annular groove 63, be provided with the first lip ring 64, all conflict and be connected with valve seat 4 in the outside of described the first lip ring 64, described the first lip ring 64 comprises rigidity spacer layer 640 and the soft gasket layer 641 being superimposed, on the other end of described lobe plate 62 relative valve rods 3, be fixedly installed the second Sealing 65.
By adopting technique scheme, in the annular groove 63 forming, be provided with the first lip ring 64 between lobe body 61 and lobe plate 62, all conflict and be connected with valve seat 4 in the outside of the first lip ring 64, the first lip ring 64 is to be made by the rigidity spacer layer 640 being superimposed and soft gasket layer 641, when being subject to the impact force of medium, soft gasket layer 641 plays the effect of buffering, reduce the impact force of medium to the first lip ring 64, rigidity spacer layer 640 has played the effect of supporting, while being subject to impact force, can guarantee that the first lip ring 64 can not deform, make the first lip ring 64 all the time can be inconsistent with valve seat 4, such Sealing makes the sealing effect between flap 6 and valve seat 4 better, on lobe plate 62, be provided with the second Sealing 65, the second 65 pairs of Sealings medium plays the effect of buffering, reduce the impact force of medium to flap 6, make that flap 6 is more difficult to be washed open by medium, avoid situation about revealing to occur, on flap 6, be provided with the first lip ring 64 and the second Sealing 65, two Sealings play respectively different effects, the first lip ring 64 well seals the gap between flap 6 and valve seat 4, the second Sealing 65 slows down the impact force of medium to flap 6, make the tightness between flap 6 and valve seat 4 better, improved whole stop valve sealing, make the workmanship of stop valve secure.
On the side that described rigidity spacer layer 640 and soft gasket layer 641 are in contact with one another, be provided with the sealing surface 642 of indentation, concavo-convex chimeric setting between described rigidity spacer layer 640 and the sealing surface 642 of soft gasket layer 641.
By adopting technique scheme, improved the structure of the sealing surface 642 between rigidity spacer layer 640 and soft gasket layer 641, make both better tightness, sealing effect is better, when stop valve is closed, make flap 6 also better with the sealing of valve seat 5, improved the workmanship of stop valve
Described the second Sealing 65 is provided with the mounting groove 652 suitable with lobe plate 62 sizes, and described lobe plate 62 is fixedly located in mounting groove 652, and the other end of described the second Sealing 65 relative lobe plates 62 is provided with circular groove 651.
By adopting technique scheme, on the second Sealing 65, be provided with the mounting groove 652 suitable with lobe plate 62 sizes, described lobe plate 62 is fixedly located in mounting groove 652, make the connection of lobe plate 62 and the second Sealing 65 more firm, simple in structure, easy for installation, on the other end of the second Sealing 65 relative lobe plates 62, be provided with circular groove 651, when stop valve is closed, when in valve, medium rushes at the second Sealing 65, circular groove 651 on the second Sealing 65 has the effect of compensator or trimmer pressure, pressure rushes at the both sides of the second Sealing 65 by circular groove 651, slow down pressure, make flap 6 better with the tightness of valve seat 5, improved the sealing of stop valve integral body.
Described rigidity spacer layer 640 is stainless steel flaggy, and described soft gasket layer 641 is asbestos rubber flaggy, and described stainless steel flaggy equates with the thickness of asbestos rubber flaggy.
By adopting technique scheme, together with the such stainless steel flaggy of the first lip ring 64 employing is superimposed with asbestos rubber flaggy, make the better tightness of the first lip ring 64, stainless steel flaggy plays the effect of support, cotton rubber flaggy is flexible, plays buffering and acts on closely with valve seat 5, has better improved the sealing of flap 6 and valve seat 5, the better tightness that makes whole stop valve, working efficiency is secure.
The outer side surface of described the second Sealing 65 is provided with water stop ring 650.
By adopting technique scheme, on the outer side surface of the second Sealing 65, be provided with water stop ring 650, when medium rushes at the second Sealing 65, through the circular groove 651 on the second Sealing 65, pressure is decomposed to both sides, water stop ring 650 on the second Sealing 65 can make flap 6 better with the compact type in valve body 1, also made better tightness between flap 6 and valve seat 5, such design assurance flap 6 can not washed open by medium, cause leakage, affect the workmanship of valve, improve the reliability of product.
Described the second Sealing 65 and lobe plate 62 are for removably connecting.
By adopting technique scheme; when the second Sealing 65 damages; the second Sealing 65 can be disassembled; change; the second Sealing 65 has also played the effect of protection lobe plate 62; reduce corrosion and impact that lobe plate 62 is directly subject to medium, extended the working life of lobe plate 62, also make the workmanship of whole stop valve secure.
Described lobe plate 62 is provided with the step mounting hole 66 wearing for screw 7, and described lobe plate 62 is fixedly connected with by screw 7 with lobe body 61.
By adopting technique scheme, lobe plate 62 is fixedly connected with by screw 7 with lobe body 61, when the first lip ring 64 damages, lobe plate 62 can be disassembled, change the first lip ring 64, and simple in structure, easy to operate, make the longer service life of flap 6, improve the workmanship of whole stop valve.
On described valve gap 2 and valve body 1, be equipped with the mounting hole 66 of installing for bolt, described bolt includes nut 8 and screw rod 9, on described screw rod 9, be arranged with respectively the first resilient pad 10 and the second resilient pad 11, described the first resilient pad 10 is between nut 8 and valve gap 2, described the second resilient pad 11, between nut and valve body 1, is equipped with locking colored tooth on the end face of described the first resilient pad 10 and the second resilient pad 11.
By adopting technique scheme, the first resilient pad 10 can prevent from producing between nut 8 and valve gap 2 loosening, the second resilient pad 11 can prevent from producing between nut and valve body 1 loosening, thereby further guarantee the stability between valve gap 2 and valve body 1, make end valve lid 2 location firm, at stop valve, in the impact that is subject to flowing medium, produce vibrations, or valve gap 2 can not produce after long-time use loosening, make the working efficiency of stop valve higher, workmanship is secure.
Between described valve body 1 and valve gap 2, be provided with rubber washer 12.
By adopting technique scheme, the rigid contact producing between valve body 1 and valve gap 2 easily makes it in vibrations process, produce to become flexible, therefore between valve body 1 and valve gap 2, rubber washer 12 is set, separate valve body 1 and valve gap 2, can avoid the rigid contact between it, and rubber washer 12 has elasticity, when being given a shock, stop valve there is buffer function, further prevent that valve body 1 from producing after bolt is connected with valve gap 2 loosening.
Described lobe plate 62 is formed by stainless iron material high frequency hardening.
By adopting technique scheme, the lobe plate 62 that adopts stainless iron material high frequency hardening to form, high temperature resistant, corrosion-resistant, not fragile under long-term use, extended working life of lobe plate 62, also make the workmanship of stop valve secure simultaneously.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a stop valve, comprise valve body, valve gap and valve rod, in valve body, be provided with valve seat, described valve rod is provided with flap, described flap is conflicted and is connected with valve seat, it is characterized in that: described flap comprises lobe lid and lobe body, described valve rod is arranged in lobe lid and is fixedly connected with lobe body, the other end of the relative valve rod of described lobe body is fixedly connected with lobe plate, described lobe body and lobe plate removably connect, between described lobe body and lobe plate, establish annular groove, in described annular groove, be provided with the first lip ring, all conflict and be connected with valve seat in the outside of described the first lip ring, described the first lip ring comprises rigidity spacer layer and the soft gasket layer being superimposed, on the other end of the relative valve rod of described lobe plate, be fixedly installed the second Sealing.
2. a kind of stop valve according to claim 1, it is characterized in that: on the side that described rigidity spacer layer and soft gasket layer are in contact with one another, be provided with the sealing surface of indentation, concavo-convex chimeric setting between described rigidity spacer layer and the sealing surface of soft gasket layer.
3. a kind of stop valve according to claim 1 and 2, it is characterized in that: described the second Sealing is provided with the mounting groove suitable with lobe plate size, described lobe plate is fixedly located in mounting groove, and the other end of the relative lobe plate of described the second Sealing is provided with circular groove.
4. a kind of stop valve according to claim 3, is characterized in that: described rigidity spacer layer is stainless steel flaggy, and described soft gasket layer is asbestos rubber flaggy, and described stainless steel flaggy equates with the thickness of asbestos rubber flaggy.
5. a kind of stop valve according to claim 4, is characterized in that: the outer side surface of described the second Sealing is provided with water stop ring.
6. a kind of stop valve according to claim 5, is characterized in that: described lobe plate is provided with the step mounting hole wearing for screw, and described lobe plate is fixedly connected with by screw with lobe body.
7. a kind of stop valve according to claim 6, is characterized in that: described the second Sealing and lobe plate are for removably connecting.
8. a kind of stop valve according to claim 7, it is characterized in that: on described valve gap and valve body, be equipped with the mounting hole of installing for bolt, described bolt includes nut and screw rod, on described screw rod, be arranged with respectively the first resilient pad and the second resilient pad, described the first resilient pad is between nut and valve gap, described the second resilient pad, between nut and valve body, is equipped with locking colored tooth on the end face of described the first resilient pad and the second resilient pad.
9. a kind of stop valve according to claim 8, is characterized in that: between described valve body and valve gap, be provided with rubber washer.
10. a kind of stop valve according to claim 9, is characterized in that: described lobe plate is formed by stainless iron material high frequency hardening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067169.4U CN203717979U (en) | 2014-02-17 | 2014-02-17 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067169.4U CN203717979U (en) | 2014-02-17 | 2014-02-17 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717979U true CN203717979U (en) | 2014-07-16 |
Family
ID=51157130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420067169.4U Withdrawn - After Issue CN203717979U (en) | 2014-02-17 | 2014-02-17 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006174A (en) * | 2014-02-17 | 2014-08-27 | 中亚阀门有限公司 | Stop valve |
-
2014
- 2014-02-17 CN CN201420067169.4U patent/CN203717979U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006174A (en) * | 2014-02-17 | 2014-08-27 | 中亚阀门有限公司 | Stop valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104006174A (en) | Stop valve | |
| CN203717979U (en) | Stop valve | |
| CN202768870U (en) | Environment-friendly type ammonia valve | |
| CN202659936U (en) | Flexible seat seal gate valve | |
| CN203847861U (en) | Flange assembly | |
| CN202001649U (en) | Soft-seal gate valve | |
| CN201802905U (en) | Three-plate ball valve without dead angles | |
| CN204573152U (en) | A kind of modified gate valve | |
| CN211039742U (en) | Gate valve for gas cut-off | |
| CN203670829U (en) | Hard sealing butterfly valve with replaceable sealing ring | |
| CN104265941A (en) | Metal hard sealing plug valve with filter screen | |
| CN201739543U (en) | Gate valve for granular media | |
| CN205207719U (en) | Run -in gate valve | |
| CN204083309U (en) | The special blade type gate valve of desulphurization denitration | |
| CN201651333U (en) | Special valve for chlorine gas | |
| CN204533590U (en) | Valve sealing device | |
| CN204533593U (en) | Valve seal protective equipment | |
| CN202484429U (en) | V-shaped seal ring and spring self-compensating seal valve top cap | |
| CN203296955U (en) | Rubber seal ring embedded with dual spring steel pieces | |
| CN204512726U (en) | A kind of flange and use the dynamic balance valve of this flange | |
| CN203656233U (en) | Hard-seal gate valve | |
| CN204267851U (en) | A kind of packing of gate valve structure | |
| CN205639630U (en) | Marine submergence formula stop valve of making perfect | |
| CN204647536U (en) | A kind of cock-type cut-off spool | |
| CN203784290U (en) | Sealing ring with multiple sealing channels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |