CN221348165U - Elastomer continuous sealing valve - Google Patents
Elastomer continuous sealing valve Download PDFInfo
- Publication number
- CN221348165U CN221348165U CN202323105954.2U CN202323105954U CN221348165U CN 221348165 U CN221348165 U CN 221348165U CN 202323105954 U CN202323105954 U CN 202323105954U CN 221348165 U CN221348165 U CN 221348165U
- Authority
- CN
- China
- Prior art keywords
- valve
- cover
- continuous sealing
- valve rod
- elastic body
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 229920001971 elastomer Polymers 0.000 title claims abstract description 15
- 239000000806 elastomer Substances 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 238000004073 vulcanization Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses an elastomer continuous sealing valve, which relates to the technical field of valves and comprises: the valve cover is provided with a sealed inner cavity which is coaxially communicated with the inner hole of the valve body; the valve rod penetrates through the inner cavity, one end, close to the valve cover, of the valve rod is connected with a driving mechanism, and the other end of the valve rod is connected with a valve core in the valve body; the elastic body is characterized in that one end of the elastic body is sealed together by the valve cover and the valve body, the other end of the elastic body is fixedly connected with the valve rod, and the elastic body is attached to the valve rod, the valve body and the valve cover, so that continuous sealing of the elastic body is formed, sealing of the valve rod is guaranteed, and zero leakage of the valve is realized; meanwhile, the excessive deformation of the elastic body under the medium pressure is avoided, so that the valve can meet the use requirement under high pressure.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an elastomer continuous sealing valve.
Background
The valve is a device for controlling the direction, pressure and flow of fluid, is widely applied to industry and city construction, and along with the rapid development of modern industry, has higher requirements on the sealing reliability of the valve,
The leakage of the valve, especially the leakage, not only can cause a great deal of fluid loss, but also can cause serious accidents in some flammable and explosive, toxic and harmful occasions, so that the external sealing of the valve is particularly important. The external sealing difficulty of the valve is that the sealing at the valve rod is mainly in the form of packing sealing and corrugated pipe sealing. The traditional packing seal is easy to wear, loosen and age, so that the packing seal performance is unreliable; the corrugated pipe is good in sealing performance, but is of a thin-wall structure, so that the corrugated pipe is poor in bearing capacity, and can be greatly deformed to be instable and damaged when bearing excessive pressure, so that the corrugated pipe cannot be suitable for a high-pressure environment, and meanwhile, the corrugated pipe is difficult to process and complex in process, so that the processing cost is high.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the elastomer continuous sealing valve which can realize good sealing performance under high-temperature and high-pressure environment and has a simple structure, thereby overcoming the defects that the sealing of the traditional packing structure is unreliable and the sealing of the corrugated pipe cannot resist high pressure and has high cost.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
An elastomeric continuous seal valve comprising:
The valve cover is provided with a sealed inner cavity which is coaxially communicated with the inner hole of the valve body;
The valve rod penetrates through the inner cavity, one end, close to the valve cover, of the valve rod is connected with a driving mechanism, and the other end of the valve rod is connected with a valve core in the valve body;
And one end of the elastic body is sealed together by the valve cover and the valve body, the other end of the elastic body is fixedly connected with the valve rod, and the elastic body is attached to the valve rod, the valve body and the valve cover.
As a further implementation mode, the lower end of the elastic body is fixedly connected with the valve rod, and the upper end of the elastic body is in a fixed sealing state through the cooperation and compression of the valve cover and the valve body.
As a further implementation manner, the lower end of the elastic body is fixedly connected with the valve rod through vulcanization, adhesion or laser welding.
As a further implementation mode, the driving mechanism is arranged at the top of the valve cover, and a limiting mechanism is arranged between the valve cover and the driving mechanism to limit the driving mechanism to only rotate.
As a further implementation mode, an inner hole is formed in the top of the valve cover, the limiting mechanism is limited in the inner hole, and the limiting mechanism adopts a shaft sleeve and a gland to limit movement of the driving structure.
As a further implementation manner, the driving mechanism is in threaded connection with the valve rod, and controls the up-and-down movement of the valve rod.
As a further implementation mode, threads matched with the driving mechanism are arranged at the upper end of the valve rod, and the lower end of the valve rod is connected with the valve core through threads or pins.
As a further implementation mode, an anti-rotation mechanism is arranged between the valve rod and the valve cover, and the anti-rotation mechanism, the valve rod and the valve cover limit the rotation of the valve rod through shape fit, so that the valve rod can be lifted up and down along with the rotation of the driving structure; the anti-rotation mechanism is quadrilateral or hexagonal.
As a further implementation mode, the lower end of the valve rod is provided with a step, the outer circle of the step is matched with the inner hole of the valve body, and the upper end face of the step is fixedly connected with the elastic body.
As a further implementation manner, the valve cover and the valve body are fixedly connected through bolt connection or welding.
By adopting the technical scheme, the utility model has the following beneficial effects:
1. According to the utility model, the upper end of the elastic body is bonded and sealed with the valve cover and the valve body, and the lower end of the elastic body is bonded and tightly matched with the valve rod to form a continuous sealing structure, so that zero leakage of the valve can be realized, and the sealing structure has better sealing performance compared with the existing packing sealing structure.
2. According to the utility model, the elastic body is attached to the valve rod, the valve body and the valve cover, and the elastic body, the valve rod, the valve body and the valve cover provide a supporting function for the elastic body together, so that the elastic body can resist high pressure, and excessive deformation of the elastic body under medium pressure is avoided, so that the pressure bearing capacity is improved on the basis of sealing, and the valve can meet the use requirement under high pressure.
3. The lower end of the valve rod is provided with the step, so that tearing of the elastic body by medium pressure can be eliminated, the elastic body is tightly pressed on the valve rod by the medium pressure, and the connection strength of the elastic body and the valve rod is ensured; meanwhile, the step structure and the inner cavity of the valve body are tightly matched to form a throttling effect on a medium, so that the pressure and the temperature of the medium reaching the elastomer are reduced and lowered, and the valve can meet the high-temperature and high-pressure environment.
4. The utility model adopts the driving system composed of the gland, the shaft sleeve, the driving mechanism and the anti-rotation mechanism, and has the advantages of simple structure, less number of used parts and low cost compared with the traditional valve. The driving mechanism only rotates under the combined action of the gland, the shaft sleeve and the valve cover, and drives the valve rod to move up and down through threaded fit, so that the opening and closing functions of the valve are realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
In the figure: 1. a gland; 2. a shaft sleeve; 3. a valve cover; 4. an elastomer; 5. a connection region; 6. a valve core; 7. a valve seat; 8. a valve stem; 9. a valve body; 10. an anti-rotation mechanism; 11. a driving mechanism.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
Example 1
This embodiment provides an elastomeric continuous sealing valve, as shown in fig. 1, comprising:
The valve cover 3 is provided with a sealed inner cavity, the valve cover 3 is arranged above the valve body 9, the valve cover and the valve body are fixedly connected through bolt connection or welding, and the inner cavity of the valve cover is coaxially communicated with the inner hole of the valve body 9.
The valve rod 8 penetrates through the inner cavity of the valve cover and the inner hole of the valve body, the upper end of the valve rod is connected with the driving mechanism 11, and the lower end of the valve rod is fixedly connected with the valve core 6 in the valve body 0.
The elastomer 4, the upper end is sealed jointly by valve gap 3 and valve body 9, lower extreme and valve rod 8 fixed connection, and elastomer 4 all laminate with valve rod 8, valve body 9 and valve gap 3, can avoid elastomer 4 to take place too big deformation under the medium pressure.
The lower end of the elastic body 4 and the valve rod 8 can be fixedly connected in a vulcanization, bonding or laser welding mode, and the like, and the upper end of the elastic body 4 is matched and pressed by the upper valve cover 3 and the valve body 9 at the periphery side, so that the elastic body is in a solid sealing state.
The driving mechanism 11 is arranged at the top of the valve cover 3, and a limiting mechanism is arranged between the valve cover 3 and the driving mechanism 11 to limit the driving mechanism to only rotate. An inner hole is formed in the top of the valve cover 4, and the limiting mechanism adopts a shaft sleeve 2 and a gland 1 and is arranged in the inner hole of the valve cover to limit the movement of the driving structure 11. The sleeve 2 may be a thrust bearing, a copper sleeve or a nylon sleeve to reduce friction between the driving mechanism 11 and the valve cover 3 during rotation.
The upper end of valve rod 8 is provided with the screw thread with actuating mechanism 11 complex, and actuating mechanism 11 passes through threaded connection with valve rod 8, therefore actuating mechanism can dismantle, the installation of being convenient for. The lower end of the valve rod 8 is fixed with the valve core 6 through threaded connection or pin connection.
An anti-rotation mechanism 10 is arranged between the upper end of the valve rod 8 and the valve cover 3, the rotation of the valve rod 8 is limited by the anti-rotation mechanism 10 and the valve rod 8 through the shape matching, for example, one surface of the anti-rotation mechanism 10, which is contacted with the valve rod 8, is set to be pentagonal and clamped with the valve rod, so that the valve rod 8 can only move up and down in the inner cavity of the valve cover 3 and can not rotate, and the valve rod 8 can be lifted up and down when the driving mechanism 11 rotates. Of course, the anti-rotation mechanism may be designed in a quadrilateral, hexagonal or other shape.
The lower end of the valve rod 8 is provided with a step, the outer circle of the step is clung to the inner hole of the valve body 9, the upper end surface of the step is fixedly connected with the elastic body 4, and the lower end surface of the step is connected with the valve core 6. Through the arrangement of the steps, when a medium flows, the fluid pressure compresses the elastic body 4 on the valve rod 8, so that the connection strength between the elastic body 4 and the valve rod 8 is ensured; meanwhile, the step structure is tightly matched with the inner hole of the valve body, so that a throttling effect can be formed on a medium, the pressure and the temperature of the medium reaching the elastic body 4 are reduced and lowered, and the valve can meet the high-temperature and high-pressure environment.
Specifically, in this embodiment, the elastic body 4 is sleeved outside the valve rod 8, the lower end of the elastic body 4 is fixedly connected with the valve rod 8 within the range of the connecting area 5, the connecting mode is vulcanization, bonding or other modes, the upper end of the elastic body 4 is fixedly connected through compression of the valve cover 3 and the valve body 9, the valve cover 3 and the valve body 9 are connected through bolts to form a continuous body seal, the sealing performance of the valve is ensured, and the elastic body 4 is attached to the valve rod 8, the valve body 9 and the valve cover 3, so that the bearing capacity of the valve is improved.
The valve rod 8 cover is established inside valve gap 3 and valve body 9, and valve rod 8 upper end is connected with actuating mechanism 11 through the screw thread, and valve rod 8 and valve gap 3 set up the rotation that prevents changeing structure 10 restriction valve rod 8 through matched with shape and rotate, and valve rod 8 lower extreme sets up the step, and step excircle and valve body 9 inner chamber cooperation, step upper end and elastomer 4 fixed connection, step lower extreme and case 6 threaded connection. The driving mechanism 11 is arranged in an inner hole at the upper end of the valve cover 3, the lower end face is attached to the end face of the inner hole, the shaft sleeve 2 and the gland 1 are sleeved outside the driving mechanism 11, and the gland 1 is fixedly connected with the valve cover 3 through threaded connection.
When the valve works, the driving mechanism 11 rotates, the valve rod 8 is driven to move up and down through threads, the valve rod 8 drives the lower end of the elastic body 4 to move along with the valve rod 8, and the valve core 6 is attached to and separated from the valve seat 7 along with the movement of the valve rod 8 to realize the opening and closing actions of the valve.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An elastomeric continuous seal valve comprising:
The valve cover is provided with a sealed inner cavity which is coaxially communicated with the inner hole of the valve body;
The valve rod penetrates through the inner cavity, one end, close to the valve cover, of the valve rod is connected with a driving mechanism, and the other end of the valve rod is connected with a valve core in the valve body;
And one end of the elastic body is sealed together by the valve cover and the valve body, the other end of the elastic body is fixedly connected with the valve rod, and the elastic body is attached to the valve rod, the valve body and the valve cover.
2. The elastomeric continuous sealing valve of claim 1, wherein the lower end of the elastomer is fixedly connected to the valve stem and the upper end of the elastomer is compressed in a sealed condition by the mating of the valve cap and the valve body.
3. An elastomeric continuous sealing valve according to claim 2, wherein said elastomeric lower end is fixedly attached to the valve stem by vulcanization, adhesive bonding or laser welding.
4. An elastomeric continuous sealing valve as in claim 1 wherein said actuator is disposed on top of said valve cover and a limiting mechanism is disposed between said valve cover and actuator to limit rotational movement of said actuator.
5. The elastomeric continuous sealing valve of claim 4, wherein said cap top defines an internal bore, said stop mechanism being positioned within said internal bore, said stop mechanism employing a sleeve and gland to limit movement of the drive mechanism.
6. An elastomeric continuous sealing valve as in claim 1 wherein said actuator is threadably connected to the valve stem to control the upward and downward movement of the valve stem.
7. An elastomeric continuous sealing valve as in claim 1 wherein the upper end of the valve stem is threaded to mate with the drive mechanism and the lower end of the valve stem is connected to the valve core by a threaded connection or pin.
8. An elastomeric continuous sealing valve as in claim 1 wherein an anti-rotation mechanism is disposed between said valve stem and valve cap, said anti-rotation mechanism limiting rotation of said valve stem by positive engagement with said valve stem and valve cap; the anti-rotation mechanism is quadrilateral or hexagonal.
9. The elastomer continuous sealing valve as claimed in claim 1, wherein a step is arranged at the lower end of the valve rod, the outer circle of the step is matched with the inner hole of the valve body, and the upper end face of the step is fixedly connected with the elastomer.
10. An elastomeric continuous sealing valve according to claim 1, wherein the valve cover and the valve body are fixedly connected by bolting or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323105954.2U CN221348165U (en) | 2023-11-16 | 2023-11-16 | Elastomer continuous sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323105954.2U CN221348165U (en) | 2023-11-16 | 2023-11-16 | Elastomer continuous sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221348165U true CN221348165U (en) | 2024-07-16 |
Family
ID=91827457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323105954.2U Active CN221348165U (en) | 2023-11-16 | 2023-11-16 | Elastomer continuous sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221348165U (en) |
-
2023
- 2023-11-16 CN CN202323105954.2U patent/CN221348165U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113700921B (en) | Electric direct-drive balanced type stop valve | |
| CN119244768A (en) | A high temperature and high pressure resistant chemical pipeline bellows sealed ball valve | |
| CN110671502A (en) | Water hammer resistant stop valve | |
| CN209909221U (en) | Critical ball valve | |
| CN221443335U (en) | Bellows stop valve | |
| CN202732103U (en) | Connecting structure of supercharger exhaust gas bypass valve | |
| CN109780253A (en) | An air-sealed sealing frictionless pneumatic hemispherical valve and its control device | |
| CN221348165U (en) | Elastomer continuous sealing valve | |
| CN201507672U (en) | High-pressure pneumatic ventilation butterfly valve | |
| CN204493781U (en) | Self-erecting type ultra-low torque fixing ball valve | |
| CN211039752U (en) | Top-mounted fixed ball valve capable of realizing online quick disassembly and maintenance | |
| CN111022655B (en) | Pneumatic control valve with bidirectional reliable stop seal | |
| CN202017788U (en) | Diaphragm valve for nuclear power universal joint | |
| CN113324079B (en) | A low power consumption regulating valve with cut-off function | |
| CN114017409B (en) | Low-torque two-way plug-in type flow control valve | |
| CN102954236A (en) | Stop valve based on high-tightness valve clack | |
| CN211649126U (en) | Welding ball valve that floats | |
| CN214197357U (en) | Two-way two-stage metal hard seal floating ball valve | |
| CN212616339U (en) | Two-way sealing stop valve | |
| CN105090540B (en) | Valve | |
| CN210531618U (en) | Pneumatic stop valve for high-pressure oxygen | |
| CN219035570U (en) | High leakproofness butterfly valve | |
| CN223923861U (en) | A bellows gate valve with rotating and lifting valve stem | |
| CN214997736U (en) | Reliably-sealed safety valve | |
| CN207178723U (en) | A kind of floating type hard sealing structure in metal valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |