CN219755348U - Pneumatic angle seat valve - Google Patents
Pneumatic angle seat valve Download PDFInfo
- Publication number
- CN219755348U CN219755348U CN202223421424.4U CN202223421424U CN219755348U CN 219755348 U CN219755348 U CN 219755348U CN 202223421424 U CN202223421424 U CN 202223421424U CN 219755348 U CN219755348 U CN 219755348U
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- Prior art keywords
- valve
- rod
- packing
- valve rod
- connecting rod
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- 238000007789 sealing Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 50
- 230000009471 action Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a pneumatic angle seat valve which comprises a valve body, a valve cover arranged in the valve body, a valve rod arranged in the valve cover, a pneumatic actuating mechanism arranged in the valve cover and used for driving the valve rod to act, a valve core arranged below the valve rod, a sealing gasket arranged below the valve core, and a connecting rod sequentially penetrating through the sealing gasket and the valve core and inserted into the valve rod, wherein a linkage rod is arranged on the connecting rod, a locking assembly is arranged between the linkage rod and the valve rod, and the locking assembly drives the sealing gasket to tightly seal the valve core in a propping manner in the locking process and synchronously realizes the fixation of the valve core on the valve rod. The utility model has the following advantages and effects: the utility model has simple structure, convenient assembly and low production cost.
Description
Technical Field
The utility model relates to a valve, in particular to a pneumatic angle seat valve.
Background
The angle seat valve is a guiding angle seat valve operated by adopting a single-action pneumatic actuator with spring safety protection. The angle seat valve is widely applied to frequent start in a short time, keeps the flow rate, can save space, has the characteristics of sensitive response, accurate action and the like, is matched with an electromagnetic valve for use, and can accurately control the flow of gas and liquid by pneumatic control. Can meet the requirements of accurate temperature control, liquid dripping and the like.
The existing pneumatic angle seat valve comprises a valve body, a valve cover arranged on the valve body, a valve rod positioned in the valve body, a valve core arranged on the valve rod, a sealing gasket arranged on the valve core and a pneumatic actuating mechanism for driving the valve rod to move. The valve rod and the valve core are assembled and fixed through an assembling structure, and the sealing gasket is tightly installed on the valve core through a pressing structure between the valve core and the sealing gasket. The application of the assembly structure and the compression structure not only increases the structural complexity of the valve, but also greatly increases the parts of the valve, thereby leading to complex valve structure, high production cost and complex assembly.
Disclosure of Invention
The utility model aims to provide a pneumatic angle seat valve which is simple in structure, convenient to assemble and low in production cost.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a pneumatic angle seat valve, includes the valve body, sets up in the valve gap of valve body, installs the valve rod in the valve gap and installs in the valve gap and the pneumatic actuating mechanism of drive valve rod action, is located the valve rod below is equipped with case, case below is equipped with sealed pad, still includes the connecting rod, the connecting rod passes sealed pad, case in proper order and inserts into the valve rod, be equipped with the gangbar on the connecting rod, be equipped with locking component and locking component between gangbar and the valve rod in locking in-process drive sealed pad tightly seals in case and realizes the fixed of case on the valve rod in step.
Through adopting above-mentioned technical scheme, the connecting rod passes sealed pad and case and inserts the valve rod and realize being connected between these three, then cooperates gangbar and locking subassembly to realize fixing between these three, and can also produce the clamp force to sealed pad at locking subassembly locking in-process, has realized sealed pad in the inseparable sealing cooperation on the case in step. The structure replaces the original two structures, and is simpler, convenient to assemble and low in production cost.
Further provided is that: including forming in the valve rod and supplying connecting rod male jack and forming in the valve rod periphery wall and with the communicating link groove of jack, the link groove runs through the valve rod and extends along the direction of insertion of connecting rod and form a rectangular shape, the link rod inserts link groove and connecting rod in proper order and realizes sliding in the link groove along with the connecting rod.
Through adopting above-mentioned technical scheme, after the connecting rod inserts the jack, insert the gangbar from the gangbar groove into the connecting rod and constitute the assembly linkage of connecting rod and gangbar two.
Further provided is that: the locking assembly comprises a locking ring sleeved on the valve rod and located below the linkage rod and external threads formed on the outer peripheral wall of the valve rod and in threaded connection with the locking ring, and the linkage rod abuts against the upper end face of the locking ring.
By adopting the technical scheme, after the connecting rod is inserted into the jack, the linkage rod is inserted into the connecting rod from the linkage groove to form the assembly linkage of the connecting rod and the linkage rod; then the locking ring is rotated, and the locking ring is driven to drive the linkage rod to move upwards under the action of threaded fit, so that the sealing gasket, the valve core and the valve rod are fixed, and sealing force for tightly propping against the valve core is formed on the sealing gasket.
Further provided is that: the valve core is provided with a locking ring, a valve rod is arranged on the locking ring, a slot for inserting the valve rod is formed at the position corresponding to the valve rod, and a fixed point is connected between the locking ring and the valve rod.
Through adopting above-mentioned technical scheme, the setting of slot realizes spacing cooperation between case and the valve rod two, promotes the structural stability of these two after fixed to connect locking ring and valve rod through the fixed point, avoid the locking ring to take place not hard up phenomenon because of fluid vibration, so as to avoid the potential safety hazard that exists.
Further provided is that: the gasket is arranged below the sealing gasket, and the connecting rod applies a propping force to the sealing gasket through the gasket.
Through adopting above-mentioned technical scheme, the setting of gasket increases the area of contact of connecting rod and sealing gasket, makes sealing gasket can receive more even pressure holding force to this further promotes the leakproofness between sealing gasket and the case.
Further provided is that: the valve cover is characterized in that a packing assembly is arranged between the valve cover and the valve rod and comprises a packing spring, an upper sealing packing set and a lower sealing packing set, wherein the packing spring is arranged between the upper sealing packing set and the lower sealing packing set, and the upper sealing packing set and the lower sealing packing set are composed of a plurality of V-shaped packing which are mutually overlapped.
Through adopting above-mentioned technical scheme, packing spring is synchronous to last sealing packing group and lower sealing packing group applys the compressive force, and the effect direction of the effect that changes is packed to the packing structure of cooperation V type again, makes last sealing packing group and lower sealing packing group can be inseparabler support tightly in valve gap and valve rod, reaches better sealed effect.
Further provided is that: the pneumatic actuating mechanism comprises a shell arranged in the valve cover, a piston, a nut, a driving spring and an indication rod, wherein the piston, the nut, the driving spring and the indication rod are arranged in the shell, the valve rod penetrates through the piston to be in threaded connection with the nut, the nut to be in threaded connection with the indication rod, an indication hole for the indication rod to move is formed in the position of the shell corresponding to the indication rod, and a sealing cover is in threaded connection with the indication hole.
Through adopting above-mentioned technical scheme, the nut is connected the valve rod and is assembled the pilot lever, makes the structure of valve simpler, equipment more convenient.
Further provided is that: the shell is internally provided with a fixing nut above the packing assembly, an extension section extending to the upper sealing packing assembly is formed on the fixing nut, and the extension section is in threaded connection with the valve cover to drive the shell to be fixed on the valve cover and compress the packing assembly.
Through adopting above-mentioned technical scheme, fixation nut cooperation extension section is carrying out further pressure to the packing subassembly when realizing that the casing is fixed on the valve gap, has dual function.
In summary, the utility model has the following beneficial effects: the utility model has simple structure, convenient assembly and low production cost.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic partial structure of an embodiment;
fig. 3 is another partial structural schematic diagram of an embodiment.
In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a pneumatic actuator; 41. a housing; 42. a piston; 43. a screw cap; 44. a drive spring; 45. an indication rod; 5. a valve core; 6. a sealing gasket; 7. a connecting rod; 8. a linkage rod; 9. a jack; 10. a linkage groove; 11. a locking ring; 12. an external thread; 13. a slot; 14. a fixed point; 15. a gasket; 16. a filler assembly; 161. a filler spring; 162. an upper packing set; 163. a lower packing set; 17. an indication hole; 18. a cover; 19. a fixing nut; 20. an extension.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a pneumatic angle seat valve includes a valve body 1, a valve cover 2 fixedly provided to the valve body 1, a valve rod 3 installed in the valve cover 2, and a pneumatic actuator 4 installed to the valve cover 2 and driving the valve rod 3 to act. The valve rod 3 is provided with a valve core 5 below, the sealing gasket 6 is arranged below the valve core 5, the valve rod 3 is further provided with a connecting rod 7, the connecting rod 7 sequentially penetrates through the sealing gasket 6 and the valve core 5 from bottom to top and is inserted into the valve rod 3, the connecting rod 7 is provided with a linkage rod 8, a locking assembly is arranged between the linkage rod 8 and the valve rod 3, and the locking assembly drives the sealing gasket 6 to tightly abut against the valve core 5 in the locking process and synchronously realizes the fixation of the valve core 5 on the valve rod 3.
The valve rod 3 is provided with an inserting hole 9 for inserting the connecting rod 7 and a linkage groove 10 which is formed on the outer peripheral wall of the valve rod 3 and is communicated with the inserting hole 9, the linkage groove 10 penetrates through the valve rod 3 and extends along the axis of the valve rod 3 to form a long strip shape, and the linkage rod 8 is sequentially inserted into the linkage groove 10 and the connecting rod 7 and slides in the linkage groove 10 along with the connecting rod 7. The locking assembly comprises a locking ring 11 sleeved on the valve rod 3 and positioned below the linkage rod 8, and an external thread 12 integrally formed on the outer peripheral wall of the valve rod 3 and in threaded connection with the locking ring 11, and the linkage rod 8 abuts against the upper end face of the locking ring 11. The valve core 5 is provided with an inserting slot 13 for inserting the valve rod 3 at the position corresponding to the valve rod 3, a fixed point 14 is connected between the locking ring 11 and the valve rod 3, and the fixed point 14 is a welding point; a gasket 15 is arranged below the sealing gasket 6, and the connecting rod 7 applies a propping force to the sealing gasket 6 through the gasket 15.
A packing assembly 16 is arranged between the valve cover 2 and the valve rod 3, the packing assembly 16 comprises a packing spring 161, an upper packing set 162 and a lower packing set 163, the packing spring 161 is arranged between the upper packing set 162 and the lower packing set 163, and the upper packing set 162 and the lower packing set 163 are composed of a plurality of V-shaped packing which are mutually overlapped. The pneumatic actuator 4 comprises a shell 41 fixedly arranged in the valve cover 2, a piston 42, a nut 43, a driving spring 44 and an indication rod 45 which are arranged in the shell 41, wherein the valve rod 3 passes through the piston 42 to be in threaded connection with the nut 43, the nut 43 is in threaded connection with the indication rod 45, an indication hole 17 for the indication rod 45 to move is formed in the position, corresponding to the indication rod 45, of the shell 41, a sealing cover 18 is in threaded connection with the indication hole 17, and the sealing cover 18 is made of transparent plastic. The fixing nut 19 is arranged above the packing assembly 16 in the shell 41, the extending section 20 extending to the upper part of the upper sealing packing set 162 is integrally formed on the fixing nut 19, and the extending section 20 is in threaded connection with the valve cover 2 to fix the shell 41 above the valve cover 2 and compress the packing assembly 16.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (8)
1. The utility model provides a pneumatic angle seat valve, includes valve body (1), sets up in valve gap (2) of valve body (1), installs valve rod (3) in valve gap (2) and installs in valve gap (2) and pneumatic actuating mechanism (4) of drive valve rod (3) action, its characterized in that: be located valve rod (3) below is equipped with case (5), case (5) below is equipped with sealed pad (6), still includes connecting rod (7), connecting rod (7) pass sealed pad (6), case (5) in proper order and insert into valve rod (3), be equipped with gangbar (8) on connecting rod (7), be equipped with locking subassembly and locking subassembly between gangbar (8) and valve rod (3) and tightly seal in case (5) and realize the fixed of case (5) on valve rod (3) in step in sealed pad (6) of locking in-process drive.
2. The pneumatic angle seat valve of claim 1, wherein: including forming in valve rod (3) and supplying connecting rod (7) male jack (9) and forming in valve rod (3) periphery wall and with communicating link groove (10) of jack (9), link groove (10) run through valve rod (3) and extend along the direction of inserting of connecting rod (7) and form a rectangular shape, link rod (8) insert link groove (10) and connecting rod (7) in proper order and realize sliding in link groove (10) along with connecting rod (7).
3. The pneumatic angle seat valve of claim 2, wherein: the locking assembly comprises a locking ring (11) sleeved on the valve rod (3) and positioned below the linkage rod (8) and an external thread (12) formed on the outer peripheral wall of the valve rod (3) and in threaded connection with the locking ring (11), and the linkage rod (8) abuts against the upper end face of the locking ring (11).
4. A pneumatic angle seat valve according to claim 3, wherein: the valve core (5) is provided with a slot (13) for inserting the valve rod (3) at the position corresponding to the valve rod (3), and a fixed point (14) is connected between the locking ring (11) and the valve rod (3).
5. The pneumatic angle seat valve of claim 1, wherein: a gasket (15) is arranged below the sealing gasket (6), and the connecting rod (7) applies a pressing force to the sealing gasket (6) through the gasket (15).
6. The pneumatic angle seat valve of claim 1, wherein: be equipped with packing subassembly (16) between valve gap (2) and valve rod (3), packing subassembly (16) include packing spring (161) and go up sealed packing group (162) and lower sealed packing group (163), packing spring (161) set up between last sealed packing group (162) and lower sealed packing group (163), go up sealed packing group (162) and lower sealed packing group (163) and constitute by a plurality of V type packing of mutual stack.
7. The pneumatic angle seat valve of claim 6, wherein: the pneumatic actuating mechanism (4) comprises a shell (41) arranged in the valve cover (2), a piston (42), a screw cap (43), a driving spring (44) and an indication rod (45), wherein the piston (42), the screw cap (43), the driving spring (44) and the indication rod (45) are arranged in the shell (41), the valve rod (3) penetrates through the piston (42) to be in threaded connection with the screw cap (43), the screw cap (43) is in threaded connection with the indication rod (45), an indication hole (17) for the indication rod (45) to move is formed in the position of the shell (41) corresponding to the indication rod (45), and a sealing cover (18) is in threaded connection with the indication hole (17).
8. The pneumatic angle seat valve of claim 7, wherein: the shell (41) is internally provided with a fixing nut (19) above the packing assembly (16), the fixing nut (19) is provided with an extension section (20) extending to the upper part of the upper sealing packing assembly (162), and the extension section (20) is in threaded connection with the valve cover (2) to drive the shell (41) to be fixed on the valve cover (2) and compress the packing assembly (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421424.4U CN219755348U (en) | 2022-12-19 | 2022-12-19 | Pneumatic angle seat valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421424.4U CN219755348U (en) | 2022-12-19 | 2022-12-19 | Pneumatic angle seat valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755348U true CN219755348U (en) | 2023-09-26 |
Family
ID=88071779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223421424.4U Active CN219755348U (en) | 2022-12-19 | 2022-12-19 | Pneumatic angle seat valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755348U (en) |
-
2022
- 2022-12-19 CN CN202223421424.4U patent/CN219755348U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |