CN220452847U - Annular sealing structure of back pressure valve - Google Patents
Annular sealing structure of back pressure valve Download PDFInfo
- Publication number
- CN220452847U CN220452847U CN202322096450.2U CN202322096450U CN220452847U CN 220452847 U CN220452847 U CN 220452847U CN 202322096450 U CN202322096450 U CN 202322096450U CN 220452847 U CN220452847 U CN 220452847U
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- back pressure
- pressure valve
- fixedly connected
- fixing
- flange plate
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- 238000007789 sealing Methods 0.000 title claims abstract description 48
- 230000006978 adaptation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to the technical field of back pressure valves and discloses an annular sealing structure of a back pressure valve, which comprises a back pressure valve body, wherein a first flange plate and a second flange plate are respectively and fixedly arranged on two sides of the back pressure valve body, a sealing groove is formed in the first flange plate, and a sealing ring is arranged in the sealing groove; according to the utility model, the fixing rod can be driven to move through the driving assembly, and the sealing ring is relatively convenient to mount on the first flange plate or dismount from the first flange plate through the mutual matching between the fixing rod and the fixing hole, so that the service life of the back pressure valve body can be prolonged, meanwhile, the whole structure is relatively simple, the use is very convenient, the practicability of the device is improved, the bolt can be driven to rotate through rotating the knob, and the bolt is in threaded connection with one of the threaded holes, so that the crank can be fixed, and the stability of the whole device is prevented from being influenced after the crank is mistakenly touched.
Description
Technical Field
The utility model relates to the technical field of back pressure valves, in particular to an annular sealing structure of a back pressure valve.
Background
The term back pressure valve is derived from Back Pressure Valve. It means that a certain pressure is built up due to the function of the valve, which pressure can generally be regulated. Can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The opening and closing piece is a disc-shaped valve plate and rotates around the axis of the opening and closing piece in the valve body, so that the aim of opening and closing or adjusting is fulfilled. The pipe is mainly used for cutting and throttling. The most commonly used systems are fluid metering and adding systems, hydraulic control systems, chemical reaction conditions, physical state critical state control and the like. The method can be basically divided into two parts of regulation and overcurrent.
In the use process of the existing back pressure valve, most of the back pressure valve is sealed between the back pressure valve and a medium by means of an inlaid rubber pad or a sealing ring, but in actual use, under the combined action of long-term soaking of the medium and extrusion caused by the valve clack and the valve seat opening and closing process, the sealing element is often corroded and damaged, so that the back pressure valve is caused to be malfunctioning, and the sealing element is also relatively complicated in replacement, so that the practicability of the device is reduced.
Accordingly, there is a need to provide an annular sealing structure for a back pressure valve that addresses the above-described problems.
Disclosure of Invention
The utility model aims to provide an annular sealing structure of a back pressure valve, which has the effect that a sealing ring is more convenient and faster to install or detach.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides an annular seal structure of backpressure valve, includes the backpressure valve body, the both sides of backpressure valve body fixed mounting respectively have first ring flange and second ring flange, set up the seal groove on the first ring flange, be provided with the sealing ring in the seal groove, the sealing ring with seal groove sliding fit, the fixed orifices has been seted up to the symmetry on the sealing ring, be provided with two dead levers through two coupling assembling on the first ring flange, the one end fixedly connected with go-between of dead lever, the other end of dead lever runs through first ring flange, just dead lever and first ring flange sliding connection, just the dead lever this end stretches into in the fixed orifices, two the joint ring is internal to be overlapped and is equipped with the connecting rod, first thread groove and second thread groove have been seted up on the connecting rod, the screw thread direction on first thread groove and the second thread groove is opposite, the connecting rod passes through first thread groove and one of them go-between threaded connection, the connecting rod passes through second thread groove and another go-between threaded connection, the last fixed plate of first flange has fixed connection, drive assembly has the connecting rod.
Through adopting above-mentioned technical scheme, can drive the dead lever through drive assembly and remove, through mutually supporting between dead lever and the fixed orifices for when the sealing ring is installed on first ring flange, or all comparatively convenient when dismantling from first ring flange, thereby can prolong the life of backpressure valve body, holistic structure is also simpler simultaneously, and the convenience that also gets up very is used, thereby has improved the practicality of device.
The utility model is further provided with: the driving assembly comprises a rotating shaft, the rotating shaft penetrates through the fixing plate, the rotating shaft is rotationally connected with the fixing plate, one end of the rotating shaft is fixedly connected with a first bevel gear, a second bevel gear is sleeved on the connecting rod, and the second bevel gear is meshed with the first bevel gear.
Through adopting above-mentioned technical scheme, can drive first bevel gear through rotatory pivot and rotate, first bevel gear is rotatory can drive the rotation of second bevel gear, thereby the rotation of second bevel gear can drive the connecting rod and rotate.
The utility model is further provided with: one end of the rotating shaft, which is far away from the first bevel gear, is fixedly connected with a crank.
Through adopting above-mentioned technical scheme, make more laborsaving when rotatory pivot through the crank.
The utility model is further provided with: the fixing plate is provided with a fixing assembly, the fixing assembly comprises a fixing plate, the fixing plate is fixedly connected with the side wall of the fixing plate, the rotating shaft penetrates through the fixing plate, the rotating shaft is rotationally connected with the fixing plate, the fixing plate is provided with a plurality of threaded holes, the crank is provided with a bolt, the bolt penetrates through the side wall of the crank, the bolt is in threaded connection with the crank, the bolt is matched with the threaded holes, one end of the bolt stretches into one of the threaded holes, and the other end of the bolt is fixedly connected with a knob.
Through adopting above-mentioned technical scheme, can drive the bolt rotation through rotatory knob for thereby the bolt can be fixed the crank with one of them screw hole threaded connection, influence the stability of whole device after preventing to touch the crank by mistake.
The utility model is further provided with: the connecting assembly comprises a connecting cylinder, the top end/bottom end of the connecting cylinder is fixedly connected with the side wall of the first flange plate, a connecting column is slidably installed in the connecting cylinder, and the top end/bottom end of the connecting column is fixedly connected with the side wall of the fixing rod.
Through adopting above-mentioned technical scheme, through connecting cylinder and spliced pole for the dead lever can fixed mounting on first ring flange.
The utility model is further provided with: the two fixing rods are fixedly connected with first magnetic sheets at one ends, second magnetic sheets are fixedly connected in the two fixing holes on the sealing ring, and the second magnetic sheets are magnetically attracted with the first magnetic sheets.
Through adopting above-mentioned technical scheme, in the one end of dead lever stretches into the fixed orifices, under the effect of first magnetic sheet and second magnetic sheet for the sealing ring is more firm when installing on first ring flange.
In summary, the utility model has the following beneficial effects: can drive the dead lever through drive assembly and remove, mutually support through between dead lever and the fixed orifices for when the sealing ring is installed on first ring flange, perhaps all comparatively convenient when dismantling from first ring flange, thereby can prolong the life of backpressure valve body, holistic structure is also simpler simultaneously, the convenience that also gets up simultaneously, thereby the practicality of device has been improved, can drive the bolt rotation through rotatory knob, thereby make bolt and one of them screw hole threaded connection can fix the crank, influence the stability of whole device after preventing to touch the crank by mistake.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is a schematic three-dimensional structure of the fixing rod of the present utility model when one end is separated from the fixing hole;
FIG. 4 is a schematic three-dimensional structure of the first magnetic sheet and the second magnetic sheet of the present utility model;
FIG. 5 is a schematic three-dimensional view of the seal ring of the present utility model as it is spaced apart from the first flange.
In the figure: 1. a back pressure valve body; 2. a first flange; 3. a second flange; 4. a seal ring; 5. a connecting rod; 6. a connecting ring; 7. a fixed rod; 8. a first bevel gear; 9. a second bevel gear; 10. a connecting cylinder; 11. a connecting column; 12. a rotating shaft; 13. a crank; 14. a bolt; 15. a knob; 16. a fixed plate; 17. a first magnetic sheet; 18. a second magnetic sheet; 19. and a fixing plate.
Detailed Description
The present utility model will be further described with reference to the drawings in the embodiments of the present utility model.
Referring to fig. 1 to 5, in the embodiment of the present utility model, an annular sealing structure of a back pressure valve includes a back pressure valve body 1, a first flange 2 and a second flange 3 are fixedly installed on two sides of the back pressure valve body 1, a sealing groove is formed on the first flange 2, a sealing ring 4 is disposed in the sealing groove, the sealing ring 4 is slidably matched with the sealing groove, a fixing hole is symmetrically formed on the sealing ring 4, two fixing rods 7 are disposed on the first flange 2 through two connection components, one end of each fixing rod 7 is fixedly connected with a connection ring 6, the other end of each fixing rod 7 penetrates through the first flange 2, the fixing rods 7 are slidably connected with the first flange 2, the ends of the fixing rods 7 extend into the fixing holes, a connecting rod 5 is sleeved in the two connection rings 6 together, a first thread groove and a second thread groove are formed in the connecting rod 5, the thread directions on the first thread groove and the second thread groove are opposite, the connecting rod 5 is fixedly connected with one connecting rod 5 through the first thread groove and the second thread groove 6 through the first thread groove, the connecting rod is fixedly connected with the second flange 2 through the first thread groove, and the connecting rod 19 is fixedly connected with the connecting plate 19 through the other thread groove, and the connecting plate is fixedly connected with the connecting plate 1 through the other side wall, and the connecting plate is fixedly connected with the connecting plate 19; during the use, place sealing ring 4 in the seal groove on first ring flange 2, can drive connecting rod 5 rotation through drive assembly, connecting rod 5 rotation can drive go-between 6 removal, thereby make two go-between 6 can be close to each other, go-between 6 removal can drive dead lever 7 removal, make two dead lever 7's one end stretch into respectively in two dead holes, thereby can install sealing ring 4 on first ring flange 2, when need change sealing ring 4, can drive connecting rod 5 counter-rotation through drive assembly, thereby make two dead lever 7's one end break away from respectively in two dead holes, can take off sealing ring 4, this in-process, can drive dead lever 7 removal through drive assembly, when making sealing ring 4 install on first ring flange 2, or all comparatively convenient when dismantling from first ring flange 2, thereby can prolong the life of backpressure valve body 1, the holistic structure is also simpler, the practicality of the device has also been improved very convenient to use.
In this embodiment, preferably, the driving assembly includes a rotating shaft 12, where the rotating shaft 12 penetrates through the fixing plate 19, and the rotating shaft 12 is rotatably connected with the fixing plate 19, one end of the rotating shaft 12 is fixedly connected with a first bevel gear 8, the connecting rod 5 is sleeved with a second bevel gear 9, and the second bevel gear 9 is meshed with the first bevel gear 8; the first bevel gear 8 can be driven to rotate through the rotating shaft 12, the second bevel gear 9 can be driven to rotate through the rotation of the first bevel gear 8, and the connecting rod 5 can be driven to rotate through the rotation of the second bevel gear 9.
In this embodiment, preferably, a crank 13 is fixedly connected to one end of the rotating shaft 12 away from the first bevel gear 8; the crank 13 saves more labor when rotating the rotating shaft 12.
In this embodiment, preferably, the fixing plate 19 is provided with a fixing assembly, the fixing assembly includes a fixing plate 16, the fixing plate 16 is fixedly connected with a side wall of the fixing plate 19, the rotating shaft 12 penetrates through the fixing plate 16, the rotating shaft 12 is rotatably connected with the fixing plate 16, the fixing plate 16 is provided with a plurality of threaded holes, the crank 13 is provided with a bolt 14, the bolt 14 penetrates through the side wall of the crank 13, the bolt 14 is in threaded connection with the crank 13, the bolt 14 is matched with the threaded holes, one end of the bolt 14 extends into one of the threaded holes, and the other end of the bolt 14 is fixedly connected with a knob 15; the bolt 14 can be driven to rotate by rotating the knob 15, so that the bolt 14 is in threaded connection with one of the threaded holes, and the crank 13 can be fixed, and the stability of the whole device is prevented from being influenced after the crank 13 is touched by mistake.
In this embodiment, preferably, the connecting assembly includes a connecting cylinder 10, the top end/bottom end of the connecting cylinder 10 is fixedly connected with the side wall of the first flange 2, a connecting column 11 is slidably mounted in the connecting cylinder 10, and the top end/bottom end of the connecting column 11 is fixedly connected with the side wall of the fixing rod 7; the fixing rod 7 can be fixedly mounted on the first flange 2 by means of the connecting cylinder 10 and the connecting column 11.
In this embodiment, preferably, one end of each of the two fixing rods 7 is fixedly connected with a first magnetic sheet 17, each of the two fixing holes on the sealing ring 4 is fixedly connected with a second magnetic sheet 18, and the second magnetic sheets 18 magnetically attract the first magnetic sheets 17; when one end of the fixing rod 7 extends into the fixing hole, the sealing ring 4 is more firmly installed on the first flange plate 2 under the action of the first magnetic sheet 17 and the second magnetic sheet 18.
Working principle: during the use, place sealing ring 4 in the seal groove on first ring flange 2, can drive first bevel gear 8 rotation through rotatory pivot 12, first bevel gear 8 rotation can drive second bevel gear 9 rotation, thereby second bevel gear 9 rotation can drive connecting rod 5 rotation, the connecting rod 5 rotation can drive go-between 6 removal, thereby make two go-between 6 can be close to each other, the go-between 6 removal can drive dead lever 7 removal, make the one end of two dead levers 7 stretch into respectively in two fixed orifices, thereby can install sealing ring 4 on first ring flange 2, when needs change sealing ring 4, can drive connecting rod 5 counter-rotation through driving assembly, thereby make the one end of two dead levers 7 break away from respectively in two fixed orifices, can take off sealing ring 4, this in-process, can drive the dead lever 7 removal through driving assembly, through the cooperation between dead lever 7 and the fixed orifices, make sealing ring 4 install on first ring flange 2, or when dismantling all convenient back pressure valve 1 on first ring flange 2, thereby also convenient use life has been improved, and practical device has been more convenient for use.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (6)
1. The annular sealing structure of the back pressure valve comprises a back pressure valve body (1), and is characterized in that: the back pressure valve is characterized in that a first flange plate (2) and a second flange plate (3) are fixedly arranged on two sides of the back pressure valve body (1) respectively, a sealing groove is formed in the first flange plate (2), a sealing ring (4) is arranged in the sealing groove, the sealing ring (4) is in sliding fit with the sealing groove, fixing holes are symmetrically formed in the sealing ring (4), two fixing rods (7) are arranged on the first flange plate (2) through two connecting components, one end of each fixing rod (7) is fixedly connected with a connecting ring (6), the other end of each fixing rod (7) penetrates through the first flange plate (2), the fixing rods (7) are in sliding connection with the first flange plate (2), the ends of the fixing rods (7) extend into the fixing holes, connecting rods (5) are sleeved in the connecting rings (6) in a sleeved mode, first thread grooves and second thread grooves are formed in the connecting rods (5), the first thread grooves and the second thread grooves are opposite in directions, one end of each fixing rod (7) is fixedly connected with one connecting plate (19) through one connecting rod (6), one connecting plate (19) is fixedly connected with one connecting plate (19), the driving component is in transmission connection with the connecting rod (5).
2. The annular seal structure of a back pressure valve according to claim 1, wherein: the driving assembly comprises a rotating shaft (12), the rotating shaft (12) penetrates through the fixing plate (19), the rotating shaft (12) is rotationally connected with the fixing plate (19), one end of the rotating shaft (12) is fixedly connected with a first bevel gear (8), a second bevel gear (9) is sleeved on the connecting rod (5), and the second bevel gear (9) is meshed with the first bevel gear (8).
3. The annular seal structure of a back pressure valve according to claim 2, wherein: one end of the rotating shaft (12) far away from the first bevel gear (8) is fixedly connected with a crank (13).
4. The annular seal structure of a back pressure valve of claim 3, wherein: be provided with fixed subassembly on fixed plate (19), fixed subassembly includes fixed disk (16), fixed disk (16) with the lateral wall fixed connection of fixed plate (19), pivot (12) run through fixed disk (16), just pivot (12) are connected with fixed disk (16) rotation, a plurality of screw holes have been seted up on fixed disk (16), be provided with bolt (14) on crank (13), bolt (14) run through the lateral wall of crank (13), just bolt (14) and crank (13) threaded connection, bolt (14) with screw hole looks adaptation, just one of them is stretched into to one of them screw hole, the other end fixedly connected with knob (15) of bolt (14).
5. The annular seal structure of a back pressure valve according to claim 1, wherein: the connecting assembly comprises a connecting cylinder (10), the top end/bottom end of the connecting cylinder (10) is fixedly connected with the side wall of the first flange plate (2), a connecting column (11) is slidably installed in the connecting cylinder (10), and the top end/bottom end of the connecting column (11) is fixedly connected with the side wall of the fixing rod (7).
6. The annular seal structure of a back pressure valve according to claim 1, wherein: one end of each fixing rod (7) is fixedly connected with a first magnetic sheet (17), each fixing hole on the sealing ring (4) is fixedly connected with a second magnetic sheet (18), and the second magnetic sheets (18) are magnetically attracted with the first magnetic sheets (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322096450.2U CN220452847U (en) | 2023-08-04 | 2023-08-04 | Annular sealing structure of back pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322096450.2U CN220452847U (en) | 2023-08-04 | 2023-08-04 | Annular sealing structure of back pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452847U true CN220452847U (en) | 2024-02-06 |
Family
ID=89738431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322096450.2U Active CN220452847U (en) | 2023-08-04 | 2023-08-04 | Annular sealing structure of back pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452847U (en) |
-
2023
- 2023-08-04 CN CN202322096450.2U patent/CN220452847U/en active Active
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