CN220248991U - Lining nylon rotary valve - Google Patents
Lining nylon rotary valve Download PDFInfo
- Publication number
- CN220248991U CN220248991U CN202321621824.1U CN202321621824U CN220248991U CN 220248991 U CN220248991 U CN 220248991U CN 202321621824 U CN202321621824 U CN 202321621824U CN 220248991 U CN220248991 U CN 220248991U
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- Prior art keywords
- valve body
- nylon
- front valve
- valve
- lining
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- 239000004677 Nylon Substances 0.000 title claims abstract description 39
- 229920001778 nylon Polymers 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 27
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a nylon rotary valve with a lining, which has the technical scheme that: the novel valve comprises a front valve body, wherein a rear valve body is arranged on one side of the front valve body, a ball body is arranged in the front valve body, valve seats are fixedly arranged on two sides, close to each other, of the front valve body and the rear valve body, and nylon linings are arranged in the front valve body and the rear valve body; the disassembly and assembly is arranged between the front valve body and the rear valve body and used for disassembling the front valve body and the rear valve body, the front valve body and the rear valve body can be quickly disassembled and separated through the disassembly and assembly, and the nylon lining can be replaced after disassembly, so that the whole valve is not required to be replaced when the valve is corroded, the replacement cost is reduced, and the nylon lining has corrosion resistance, alkali resistance and weak acid resistance and general valve metal interior villages, and can replace the valve of the metal interior villages in a low-flow-rate scene.
Description
Technical Field
The utility model relates to the technical field of rotary valves, in particular to a nylon-lined rotary valve.
Background
Valves are commonly used in process control systems to control the flow of process fluids. In severe service applications (e.g., chemical industry, oil refining, petrochemical industry, natural gas, paper and pulp, electrical industry, etc.), control valves may experience highly corrosive and/or erosive service conditions that can rapidly wear or reduce the operational life of the valve.
For example, according to the chinese patent publication No. CN203627818U, the rotary valve comprises at least: the valve body, establish the valve through-hole, establish the leak-proof component in the aforesaid valve through-hole, the aforesaid leak-proof component establishes the surrounding surface, the aforesaid surrounding surface establishes corresponding upper and lower through-hole, establish the central location flange around the surface of aforesaid upper and lower through-hole, and extend to both sides and have the combination flange with the through-hole as the benchmark, so, can combine the firm location with the valve body with leak-proof component through aforesaid central location flange and combination flange, when the valve set up in the penetration of leak-proof component, the valve rod passes the upper through-hole of leak-proof component, the valve centre bore, leak-proof component's lower through-hole and the valve rod groove of valve body in proper order, when the valve rod is operated to the user, the upper and lower through-hole of aforesaid leak-proof component can keep in the central position of valve rod, even open, close the valve, can not change the state of leak-proof component, in order to guarantee leak-proof effect.
However, the above scheme still has the defect that, for example, the device is easy to detach in the whole structure, and can overhaul or replace parts in the valve body at any time, but the internal village of the valve body is not detachable, so that the internal village of the valve body can not be repaired or replaced after being corroded and damaged for a long time, and only the whole valve can be replaced, thereby increasing the expenditure cost.
Disclosure of Invention
The utility model provides a nylon rotary valve with a lining, which solves the problems that the whole structure of the device is easy to detach, and parts can be overhauled or replaced at any time in the valve body, but the internal part of the valve body is not detachable, so that the internal part of the valve body cannot be maintained and replaced after being corroded and damaged for a long time, the whole valve can be replaced, and the expenditure is increased.
The technical aim of the utility model is realized by the following technical scheme:
a lined nylon rotary valve comprising: the front valve body is provided with a rear valve body at one side, a ball body is arranged in the front valve body, valve seats are fixedly arranged at two sides of the front valve body and the rear valve body, which are close to each other, the valve seats are fixedly arranged at two sides of the front valve body and the rear valve body, which are close to each other, respectively in a bolt connection mode, first sealing rings are fixedly arranged at the left side and the right side of the front valve body, and nylon inner liners are arranged in the front valve body and the rear valve body; the disassembly and assembly is arranged between the front valve body and the rear valve body and is used for disassembling the front valve body and the rear valve body.
Through adopting above-mentioned technical scheme, through setting up dismouting subassembly, can be quick dismantle front valve body and back valve body separately through the dismouting subassembly, and also accomplish to change nylon inside lining after dismantling to can be when the valve is interior village corruption, need not change whole valve, reduce replacement cost, and corrosion resistance, alkali resistance and weak acid resistance that the inside lining has are weak with general valve metal interior village, can replace the valve of metal interior village in low flow rate scene.
Preferably, the dismounting component comprises: the first mounting holes of a plurality of are all offered in one side of preceding valve body, a plurality of second mounting hole has been seted up to one side of back valve body, the inside movable sleeve of first mounting hole is equipped with the lead screw, the one end of lead screw passes the second mounting hole with first mounting hole and extend to the outer circular wall of preceding valve body, the outer circular wall of lead screw is close to both ends about equal threaded connection have the nut, two the equal fixed mounting in both sides that nylon inside lining is close to each other has the second sealing washer, two the nylon inside lining respectively with the inside movable sleeve of back valve body is established, two the inside equal fixed sleeve of disk seat is equipped with the sealing ring, one side fixed mounting of sealing ring has the third sealing washer.
Through adopting above-mentioned technical scheme, through setting up the lead screw, pass second mounting hole and first mounting hole respectively through with lead screw one end, then screw on the nut and can install preceding valve body and back valve body, with preceding valve body and back valve body and the flange joint between the pipeline this moment, because the installation is accomplished the pipeline both ends and can be extruded the nylon lining respectively, one side of nylon lining can closely laminate with the third sealing washer this moment, the second sealing washer closely laminates with one side of preceding valve body and back valve body, reach sealed effect, thereby install after finishing, can directly take out the nylon lining when dismantling the maintenance and change, replacement cost has been reduced.
Preferably, a first connecting hole is formed in the other side of the front valve body, and a second connecting hole is formed in the other side of the rear valve body.
Through adopting above-mentioned technical scheme, through setting up first connecting hole and second connecting hole, can be in the same place the flange bolted connection between preceding valve body and back valve body and the pipeline through first connecting hole and second connecting hole.
Preferably, the top surface of preceding valve body is provided with the pivot, the pivot passes the top surface of preceding valve body and extend to the inside of preceding valve body, the joint groove has been seted up to spheroidal top surface, the pivot with joint groove activity cover is established, the top surface bolted connection of preceding valve body has the gland, the gland with the outer circular wall activity cover of pivot is established.
Through adopting above-mentioned technical scheme, through setting up the pivot, adopt swing joint through pivot and spheroid for spheroidal dismantlement is more convenient.
Preferably, the outer circular wall surface of the rotating shaft is fixedly sleeved with a handle.
Through adopting above-mentioned technical scheme, through setting up the handle, be convenient for the staff through the handle rotate the pivot.
Preferably, the outer circular wall surface of the rotating shaft is fixedly provided with a limiting plate, and the top surface of the front valve body is fixedly provided with a limiting rod.
Through adopting above-mentioned technical scheme, through setting up limiting plate and gag lever post, can play limiting displacement to the handle through gag lever post and gag lever post for the handle can only accomplish the back and forth rotation of back and forth of back just can ninety degrees, the staff of being convenient for confirms the switch valve.
In summary, the utility model has the following advantages:
through setting up dismouting subassembly, can be quick dismantle front valve body and back valve body separately through the dismouting subassembly, and also accomplish to change nylon inside lining after dismantling to can be when the valve is interior village corruption, need not change whole valve, reduce replacement cost, and corrosion resistance, alkali resistance and weak acid resistance that the inside lining had are with general valve metal interior village, can replace the valve of metal interior village in low flow rate scene.
Through setting up first connecting hole and second connecting hole, can be with the flange bolted connection between preceding valve body and back valve body and the pipeline together through first connecting hole and second connecting hole.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a split construction of the present utility model;
FIG. 3 is a schematic view of the seal ring structure of the present utility model;
fig. 4 is a schematic view of a structure of a clamping groove according to the present utility model.
Reference numerals: 1. a front valve body; 2. a rear valve body; 3. a sphere; 4. a valve seat; 5. a first seal ring; 6. nylon lining; 7. a first mounting hole; 8. a second mounting hole; 9. a screw rod; 10. a nut; 11. a second seal ring; 12. a seal ring; 13. a third seal ring; 14. a first connection hole; 15. a second connection hole; 16. a rotating shaft; 17. a clamping groove; 18. a gland; 19. a handle; 20. a limiting plate; 21. and a limit rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3 and 4, a nylon rotary valve with inner liner includes a front valve body 1, the front valve body 1 is of a prior structure and is not described herein, a rear valve body 2 is arranged at one side of the front valve body 1, the rear valve body 2 is of a prior structure and is not described herein, a ball 3 is arranged in the front valve body 1, the ball 3 is of a prior structure and is not described herein, valve seats 4 are fixedly arranged at two sides of the front valve body 1 and the rear valve body 2, the valve seats 4 are not described herein, the valve seats 4 are fixedly arranged at two sides of the front valve body 1 and the rear valve body 2, respectively, by means of bolt connection, first sealing rings 5 are fixedly arranged at the left side and the right side of the front valve body 1, the first sealing rings 5 are of a prior structure and are not described herein, nylon inner liners 6 are arranged in the front valve body 1 and the rear valve body 2, the nylon inner liners 6 are of a prior structure and are not described herein, a disassembly and assembly component is arranged between the front valve body 1 and the rear valve body 2 and used for disassembling the front valve body 1 and the rear valve body 2, the disassembly and assembly component comprises a plurality of first mounting holes 7, the plurality of first mounting holes 7 are all arranged on one side of the front valve body 1, a plurality of second mounting holes 8 are arranged on one side of the rear valve body 2, a screw rod 9 is movably sleeved in the first mounting holes 7, the screw rod 9 is of an existing structure and is not repeated herein, one end of the screw rod 9 passes through the second mounting holes 8 and the first mounting holes 7 and extends to the outer circular wall surface of the front valve body 1, nuts 10 are connected with the outer circular wall surface of the screw rod 9 close to the left end and the right end in a threaded manner, the nuts 10 are of the existing structure and are not repeated herein, second sealing rings 11 are fixedly arranged on two sides of the two nylon linings 6 close to each other, the second sealing rings 11 are of the existing structure and are not repeated herein, two nylon inner liners 6 are respectively sleeved with the inner parts of the front valve body 1 and the rear valve body 2 in a movable mode, sealing rings 12 are fixedly sleeved in the inner parts of the two valve seats 4, a third sealing ring 13 is fixedly arranged on one side of each sealing ring 12, the third sealing ring 13 is of an existing structure and is not repeated, the front valve body 1 and the rear valve body 2 can be installed by arranging a screw rod 9, one end of the screw rod 9 respectively penetrates through the second installation hole 8 and the first installation hole 7 and then is screwed with a nut 10, at the moment, the front valve body 1 and the rear valve body 2 are connected with a pipeline in a flange mode, the two ends of the pipeline are extruded to the nylon inner liners 6 respectively due to the fact that the two ends of the pipeline are installed, at the moment, one side of each nylon inner liner 6 is tightly attached to the third sealing ring 13, the second sealing ring 11 is tightly attached to one side of the front valve body 1 and the rear valve body 2, sealing effects are achieved, and accordingly, after installation and overhaul can be directly carried out, and replacement of the nylon inner liners 6 is reduced.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the first connecting hole 14 is opened at the opposite side of the front valve body 1, the second connecting hole 15 is opened at the opposite side of the rear valve body 2, the top surface of the front valve body 1 is provided with the rotating shaft 16, the rotating shaft 16 penetrates through the top surface of the front valve body 1 and extends to the interior of the front valve body 1, the clamping groove 17 is opened at the top surface of the sphere 3, the rotating shaft 16 and the clamping groove 17 are movably sleeved, the top surface of the front valve body 1 is connected with the gland 18 through bolts, the gland 18 and the outer circular wall surface of the rotating shaft 16 are movably sleeved, the outer circular wall surface of the rotating shaft 16 is fixedly sleeved with the handle 19, the outer circular wall surface of the rotating shaft 16 is fixedly provided with the limiting plate 20, the top surface of the front valve body 1 is fixedly provided with the limiting rod 21, the limiting rod 21 can play a limiting role on the handle 19 through the limiting rod 21 and the limiting rod 21, so that the handle 19 can only rotate back and forth at ninety degrees after the completion, and the operator can conveniently confirm the opening and closing of the valve.
Working principle: referring to fig. 1-4, when in use, through arranging the front valve body 1 and the rear valve body 2, two nylon inner liners 6 are respectively movably sleeved in the front valve body 1 and the rear valve body 2, then the front valve body 1 and the rear valve body 2 are mutually attached, at this time, the first sealing ring 5 is tightly attached to the outer circular wall surface of the ball body 3, one end of the screw rod 9 respectively passes through the second mounting hole 8 and the first mounting hole 7, then the front valve body 1 and the rear valve body 2 can be mounted by screwing the nut 10, at this time, the front valve body 1 and the rear valve body 2 are arranged between pipelines to be connected, then the two ends of the pipelines are respectively extruded on the nylon inner liners 6 through the flange bolts between the first connecting hole 14 and the second connecting hole 15 and the pipelines, at this time, one side of the nylon inner liners 6 is tightly attached to the third sealing ring 13, the second sealing ring 11 is tightly attached to one side of the front valve body 1 and the rear valve body 2, so as to achieve the sealing effect, and when the rear mounting is completed, the nylon inner liners 6 can be directly taken out for replacement when the ball body 1 and the ball body 2 are dismounted, the handle 19 is rotated, and the ball body 16 is driven to rotate by ninety degrees, and the ball body 3 is rotated, the valve body 3 is driven, the limit plate is opened, and the limit valve is opened, and the limit lever 21 is opened.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A lined nylon rotary valve, comprising:
the novel valve comprises a front valve body (1), wherein a rear valve body (2) is arranged on one side of the front valve body (1), a ball body (3) is arranged in the front valve body (1), valve seats (4) are fixedly arranged on two sides, close to each other, of the front valve body (1) and the rear valve body (2), the valve seats (4) are fixedly arranged on two sides, close to each other, of the front valve body (1) and the rear valve body (2) in a bolt connection mode respectively, first sealing rings (5) are fixedly arranged on the left side and the right side of the front valve body (1), and nylon inner liners (6) are arranged in the front valve body (1) and the rear valve body (2);
the disassembly and assembly is arranged between the front valve body (1) and the rear valve body (2) and is used for disassembling the front valve body (1) and the rear valve body (2).
2. The lined nylon rotary valve of claim 1, wherein said disassembly and assembly comprises:
the utility model provides a valve body, including valve body (1) and nylon lining (6), a plurality of first mounting hole (7) are all offered one side of preceding valve body (1), a plurality of second mounting hole (8) have been offered to one side of back valve body (2), the inside movable sleeve of first mounting hole (7) is equipped with lead screw (9), the one end of lead screw (9) passes second mounting hole (8) with first mounting hole (7) and extend to the outer circular wall of preceding valve body (1), the outer circular wall of lead screw (9) is close to both ends about equal threaded connection have nut (10), two nylon lining (6) both sides that are close to each other are all fixed mounting have second sealing washer (11), two nylon lining (6) respectively with the inside movable sleeve of back valve body (2) is established, two the inside of disk seat (4) is all fixed sleeve and is equipped with sealing ring (12), one side fixed mounting of sealing ring (12) has third sealing washer (13).
3. A lined nylon rotary valve according to claim 1, characterized in that the other side of the front valve body (1) is provided with a first connecting hole (14), and the other side of the rear valve body (2) is provided with a second connecting hole (15).
4. The nylon rotary valve with the lining according to claim 1, characterized in that a rotating shaft (16) is arranged on the top surface of the front valve body (1), the rotating shaft (16) penetrates through the top surface of the front valve body (1) and extends to the inside of the front valve body (1), a clamping groove (17) is formed in the top surface of the sphere (3), the rotating shaft (16) is movably sleeved with the clamping groove (17), a gland (18) is connected to the top surface of the front valve body (1) through bolts, and the gland (18) is movably sleeved with the outer circular wall surface of the rotating shaft (16).
5. The nylon rotary valve with lining according to claim 4, wherein the outer circumferential wall surface of the rotary shaft (16) is fixedly sleeved with a handle (19).
6. The nylon rotary valve with the lining according to claim 4, wherein a limiting plate (20) is fixedly arranged on the outer circular wall surface of the rotary shaft (16), and a limiting rod (21) is fixedly arranged on the top surface of the front valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321621824.1U CN220248991U (en) | 2023-06-26 | 2023-06-26 | Lining nylon rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321621824.1U CN220248991U (en) | 2023-06-26 | 2023-06-26 | Lining nylon rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248991U true CN220248991U (en) | 2023-12-26 |
Family
ID=89229624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321621824.1U Active CN220248991U (en) | 2023-06-26 | 2023-06-26 | Lining nylon rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248991U (en) |
-
2023
- 2023-06-26 CN CN202321621824.1U patent/CN220248991U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |