CN210057674U - Sack cleaner poppet valve rod sealing device - Google Patents
Sack cleaner poppet valve rod sealing device Download PDFInfo
- Publication number
- CN210057674U CN210057674U CN201920670449.7U CN201920670449U CN210057674U CN 210057674 U CN210057674 U CN 210057674U CN 201920670449 U CN201920670449 U CN 201920670449U CN 210057674 U CN210057674 U CN 210057674U
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- Prior art keywords
- sealing device
- extrusion
- piece
- sealing
- pressing plate
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- 238000007789 sealing Methods 0.000 title claims abstract description 110
- 238000001125 extrusion Methods 0.000 claims abstract description 62
- 239000000945 filler Substances 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- 210000004907 gland Anatomy 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 229920000459 Nitrile rubber Polymers 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
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- Sealing Devices (AREA)
Abstract
The utility model discloses a sack cleaner poppet valve stem sealing device, the structure of which comprises a valve cover, a piston hole, a valve rod, a filler, an extrusion sealing device and an auxiliary sealing device, the top of the valve cover is provided with the piston hole, the inner diameter of the piston hole is movably connected with the top of the valve rod, the inner side of the top of the valve cover is provided with the filler, in order to solve the problem that the existing valve cover has poor sealing effect due to insufficient extrusion force degree on the filler through the bolt fixed connection of the filler gland, the bottom of the valve cover is provided with the extrusion sealing device, a fixing piece is spliced with the bottom of the valve cover, the fixing and locking are carried out through a mounting hole by a bolt, then an extrusion piece is rotated and rotated to move upwards along the fixing piece, the moving piece is driven to extrude the filler, meanwhile, a first spring is compressed, elastic force is generated to be applied to the first pressing plate, the moving piece, the effect of improving the sealing is achieved.
Description
Technical Field
The utility model relates to a valve rod sealing device technical field, concretely relates to sack cleaner poppet valve rod sealing device.
Background
The valve rod is not only a moving part, a stress part and a sealing part in the opening and closing process of the valve, but also a sealing part, and simultaneously, the valve rod is impacted and corroded by a medium and generates friction with a filler, so when a valve rod material is selected, the valve rod material must be ensured to have enough strength, good impact toughness, scratch resistance and corrosion resistance at a specified temperature, the valve rod is a vulnerable part, the mechanical processing performance and heat treatment performance of the material are also required to be paid attention to when the valve rod material is selected, the existing sealing between the valve rod and the valve is filled and sealed through the filler, but the existing valve cover is not enough in extrusion force degree on the filler through the fixed connection of the filler pressing cover and a bolt, the sealing effect is poor only through the single filler filling and sealing, and the risk exists.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the prior art not enough, now provide a sack cleaner poppet valve rod sealing device, solved current valve gap and passed through for the gland bolt fixed connection with the filler extrusion force degree not enough, lead to sealed effect poor, and only fill through single filler and seal, sealed effect is not good, has the problem of risk.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a sack cleaner poppet valve stem sealing device, including valve gap, piston hole, valve rod, filler, extrusion sealing device and supplementary sealing device, the valve gap top is provided with the piston hole, piston hole internal diameter and valve rod top swing joint, valve gap top inboard is provided with the filler, extrusion sealing device bottom and supplementary sealing device top fixed connection, the valve gap bottom and extrusion sealing device top pass through bolt fastening connection, extrusion sealing device comprises mounting, mounting hole, moving part, first clamp plate, first spring, second clamp plate and rotation extruded piece, the mounting bottom sets up the mounting hole that is used for fixing, the mounting top and moving part bottom sliding connection, and mounting and moving part internal diameter size match each other, moving part bottom and first clamp plate top fixed connection, and first clamp plate shape is annular slice, first clamp plate bottom is through first spring and second clamp plate top fixed connection, and first clamp plate and second clamp plate size and shape are all the same, second clamp plate bottom and rotation extruded article top fixed connection, and rotate extruded article bottom and be the hexagon, rotate extruded article top surface and carry out threaded connection through the external screw thread that sets up and mounting bottom internal surface, rotate extruded article bottom and supplementary sealing device top fixed connection.
Furthermore, the auxiliary sealing device consists of a sealing sleeve, a sealing ring, an extrusion part and a second spring, wherein the inner side of the bottom of the sealing sleeve is fixedly connected with the top of the sealing ring for extrusion sealing, the top of the extrusion part is movably connected with the bottom of the sealing sleeve, the bottom of the sealing sleeve is circular, the second spring is arranged at the bottom of the extrusion part, the top of the sealing sleeve is fixedly connected with the bottom of the rotary extrusion part, and the inner surface of the extrusion part is in interference fit with the middle part of the valve rod;
furthermore, the mounting holes are four in number, are circularly arranged along the bottom of the fixing piece, and are internally provided with threads.
Further, the distance that the moving part bottom slided from top to bottom along the mounting top does: 0-2 cm.
Furthermore, the external surface of the top of the rotating extrusion part is provided with external threads, and the size of the external threads is matched with the size of the internal threads arranged on the inner surface of the bottom of the fixing part.
Furthermore, the first pressing plate and the second pressing plate are the same in size and shape and are vertically and symmetrically distributed.
Furthermore, the size of the inner surface of the bottom of the sealing sleeve is matched with the size of the outer surface of the sealing ring.
Further, the size of the outer surface of the top of the extrusion part is matched with the size of the inner surface of the bottom of the sealing sleeve.
Further, the material of sealing washer is: butadiene acrylonitrile rubber.
Further, the material of the rotating extrusion piece is: tungsten steel.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) for solving current valve gap and passing through for the gland bolt fixed connection of packing the extrusion power degree of packing not enough, lead to the poor problem of sealed effect, through having set up extrusion sealing device bottom the valve cap, peg graft mounting and valve cap bottom, fix the lock through the bolt for the mounting hole and die, rotate the rotation extruded article again, make it along mounting rebound, drive the moving part and extrude the packing, make first spring compression simultaneously, produce elasticity and apply for first clamp plate, drive first clamp plate and upwards extrude the moving part, make the moving part extrude the packing all the time, reach and improve sealed effect.
2) For solving and only filling through single packing and sealing, sealed effect is not good, has the problem of risk, through having set up supplementary sealing device rotating extruded article bottom, extrudees the second spring through valve rod rebound, drives extruded article rebound, inserts the extruded article in the sealing boot, extrudees the sealing washer, makes the horizontal inflation of sealing washer atress seal.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic structural view of the extrusion sealing device of the present invention;
fig. 4 is a schematic sectional structure view of the extrusion sealing device of the present invention;
fig. 5 is an explosion structure diagram of the auxiliary sealing device of the present invention.
In the figure: the valve comprises a valve cover-1, a piston hole-2, a valve rod-3, a filler-4, an extrusion sealing device-5, an auxiliary sealing device-6, a fixing piece-51, a mounting hole-52, a movable piece-53, a first pressure plate-54, a first spring-55, a second pressure plate-56, a rotary extrusion piece-57, a sealing sleeve-61, a sealing ring-62, an extrusion piece-63 and a second spring-64.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a bag-type dust collector poppet valve stem sealing device: the improved valve comprises a valve cover 1, a piston hole 2, a valve rod 3, a filler 4, an extrusion sealing device 5 and an auxiliary sealing device 6, wherein the top of the valve cover 1 is provided with the piston hole 2, the inner diameter of the piston hole 2 is movably connected with the top of the valve rod 3, the inner side of the top of the valve cover 1 is provided with the filler 4, the bottom of the valve cover 1 is fixedly connected with the top of the extrusion sealing device 5 through bolts, the bottom of the extrusion sealing device 5 is fixedly connected with the top of the auxiliary sealing device 6, the extrusion sealing device 5 comprises a fixing piece 51, a mounting hole 52, a moving piece 53, a first pressing plate 54, a first spring 55, a second pressing plate 56 and a rotary extrusion piece 57, the bottom of the fixing piece 51 is provided with the mounting hole 52 for fixing, the top of the fixing piece 51 is slidably connected with the bottom of the moving piece 53, the inner diameters of the fixing piece, first clamp plate 54 bottom is through first spring 55 and second clamp plate 56 top fixed connection, and first clamp plate 54 is the same with 56 size and shape of second clamp plate, 56 bottoms of second clamp plate and rotate extruded article 57 top fixed connection, and rotate extruded article 57 bottom and be the hexagon, rotate extruded article 57 top surface and carry out threaded connection through the external screw thread that sets up and mounting 51 bottom internal surface, rotate extruded article 57 bottom and supplementary sealing device 6 top fixed connection.
The auxiliary sealing device 6 consists of a sealing sleeve 61, a sealing ring 62, an extrusion piece 63 and a second spring 64, the inner side of the bottom of the sealing sleeve 61 is fixedly connected with the top of the sealing ring 62 for extrusion sealing, the top of the extrusion piece 63 is movably connected with the bottom of the sealing sleeve 61, the bottom of the sealing sleeve 61 is circular, the second spring 64 is arranged at the bottom of the extrusion piece 63, the top of the sealing sleeve 61 is fixedly connected with the bottom of the rotary extrusion piece 57, and the inner surface of the extrusion piece 63 is in interference fit with the middle part of the;
the number of the mounting holes 52 is four, the mounting holes are circularly arranged along the bottom of the fixing piece 51, and the threads are arranged inside the mounting holes, so that the mounting holes are convenient to fix.
The distance that the bottom of the movable piece 53 slides up and down along the top of the fixed piece 51 is as follows: 0-2cm, the filler 4 is conveniently extruded in a sliding manner, and the filler 4 is compacted to improve the sealing effect.
Wherein, it is provided with the external screw thread to rotate extruded article 57 top surface, and the internal thread size that external screw thread size and fixed part 51 bottom internal surface set up matches each other, conveniently carries out fixed connection.
The first pressing plate 54 and the second pressing plate 56 are the same in size and shape, and are vertically and symmetrically distributed, so that the first spring 55 can be protected and extruded conveniently.
The size of the inner surface of the bottom of the sealing sleeve 61 is matched with the size of the outer surface of the sealing ring 62, so that the sealing sleeve is conveniently and fixedly connected.
The size of the outer surface of the top of the extrusion part 63 is matched with the size of the inner surface of the bottom of the sealing sleeve 61, so that the sealing ring 62 can be conveniently extruded.
Wherein, the material of sealing washer 62 is: butadiene acrylonitrile rubber.
Wherein, the material of the rotating extrusion part 57 is: tungsten steel;
according to the upper table the utility model discloses rotate extruded article 57 and utilize the tungsten steel to make, can reach, excellent properties such as high rigidity, abrasion strength and toughness are good, heat-resisting, corrosion-resistant.
This patent the material of sealing washer 62 be: nitrile rubber is used for manufacturing conveying hoses and flame-retardant conveying belts of oil materials, is used for manufacturing sealing devices in the automobile industry, oil-resistant gaskets, sleeves, flexible packages, flexible rubber tubes, printing and dyeing rubber rollers, cable rubber materials and protective gloves in the nuclear industry, has strong adaptability to temperature and can normally work in the temperature range of-40 ℃ to 108 ℃, and the nitrile rubber can be widely applied to the aviation industry and can be cast into various products.
The working principle is as follows: firstly, the device is moved to a proper position, the valve rod 3 is inserted into the piston hole 2 on the valve cover 1, then a proper amount of filler is introduced into a gap between the valve rod 3 and the valve cover 1, the fixing member 51 is inserted into the bottom of the valve cover 1, the fixing member 51 and the valve cover 1 are fixedly locked through the mounting hole 52, then the rotating extrusion member 57 is rotated anticlockwise, the rotating extrusion member 57 is enabled to move upwards along the internal thread arranged on the inner surface of the fixing member 51 through the external thread arranged on the outer surface, the first pressing plate 54, the first spring 55, the second pressing plate 56 and the rotating extrusion member 57 are driven to move upwards to extrude the filler 4, the rotating extrusion member 57 is continuously rotated to enable the first spring 55 to be stressed and compressed, the elastic force is generated to be applied to the first pressing plate 54 to drive the first pressing plate to extrude the moving member 53 upwards, and the moving member 53 is enabled to extrude the filler 4 all the time, when the valve rod 3 moves upwards, the second spring 64 and the extrusion part 63 are driven to move upwards, the extrusion part 63 is inserted into the sealing sleeve 61, the valve rod 3 continues to move upwards to enable the second spring 64 to be stressed and compressed to generate reverse elastic force, the reverse elastic force is applied to the extrusion part 63, the top of the extrusion part 63 moves upwards along the bottom of the sealing sleeve 61 to extrude the sealing ring 62, the sealing ring 62 is stressed and transversely expanded to seal, and when the valve rod 3 moves downwards to recover the second spring 64, the extrusion part 63 is separated from the sealing sleeve 61, and the sealing ring 62 recovers.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a sack cleaner poppet valve rod sealing device, includes valve gap (1), piston hole (2), valve rod (3) and filler (4), valve gap (1) top is provided with piston hole (2), piston hole (2) internal diameter and valve rod (3) top swing joint, valve gap (1) top inboard is provided with filler (4), bolt fixed connection, its characterized in that are passed through with extrusion sealing device (5) top in valve gap (1) bottom: the sealing device also comprises an extrusion sealing device (5) and an auxiliary sealing device (6), wherein the bottom of the extrusion sealing device (5) is fixedly connected with the top of the auxiliary sealing device (6); the extrusion sealing device (5) is composed of a fixed piece (51), a mounting hole (52), a movable piece (53), a first pressing plate (54), a first spring (55), a second pressing plate (56) and a rotary extrusion piece (57), wherein the bottom of the fixed piece (51) is provided with the mounting hole (52) for fixing, the top of the fixed piece (51) is in sliding connection with the bottom of the movable piece (53), the inner diameters of the fixed piece (51) and the movable piece (53) are mutually matched, the bottom of the movable piece (53) is fixedly connected with the top of the first pressing plate (54), the first pressing plate (54) is in an annular sheet shape, the bottom of the first pressing plate (54) is fixedly connected with the top of the second pressing plate (56) through the first spring (55), the first pressing plate (54) and the second pressing plate (56) are identical in size and shape, and the bottom of the second pressing plate (56) is fixedly connected with the top of the rotary extrusion piece (, and rotate extruded piece (57) bottom and be the hexagon, rotate extruded piece (57) top surface and carry out threaded connection through the external screw thread that sets up and mounting (51) bottom internal surface, rotate extruded piece (57) bottom and supplementary sealing device (6) top fixed connection.
2. The bag dust collector poppet valve stem sealing device of claim 1, wherein: the auxiliary sealing device (6) consists of a sealing sleeve (61), a sealing ring (62), an extrusion part (63) and a second spring (64), the inner side of the bottom of the sealing sleeve (61) is fixedly connected with the top of the sealing ring (62) for extrusion sealing, the top of the extrusion part (63) is movably connected with the bottom of the sealing sleeve (61), the bottom of the sealing sleeve (61) is circular, the second spring (64) is arranged at the bottom of the extrusion part (63), and the top of the sealing sleeve (61) is fixedly connected with the bottom of the rotating extrusion part (57); the inner surface of the extrusion part (63) is in interference fit with the middle of the valve rod (3).
3. The bag dust collector poppet valve stem sealing device of claim 1, wherein: the number of the mounting holes (52) is four, the mounting holes are circularly arranged along the bottom of the fixing piece (51), and threads are arranged inside the mounting holes.
4. The bag dust collector poppet valve stem sealing device of claim 1, wherein: the distance of the bottom of the movable piece (53) sliding up and down along the top of the fixed piece (51) is as follows: 0-2 cm.
5. The bag dust collector poppet valve stem sealing device of claim 1, wherein: the external surface of the top of the rotating extrusion part (57) is provided with an external thread, and the size of the external thread is matched with the size of the internal thread arranged on the inner surface of the bottom of the fixing part (51).
6. The bag dust collector poppet valve stem sealing device of claim 1, wherein: the first pressing plate (54) and the second pressing plate (56) are the same in size and shape and are vertically and symmetrically distributed.
7. The bag dust collector poppet valve stem sealing device of claim 2, wherein: the size of the inner surface of the bottom of the sealing sleeve (61) is matched with the size of the outer surface of the sealing ring (62).
8. The bag dust collector poppet valve stem sealing device of claim 2, wherein: the size of the outer surface of the top of the extrusion part (63) is matched with the size of the inner surface of the bottom of the sealing sleeve (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920670449.7U CN210057674U (en) | 2019-05-12 | 2019-05-12 | Sack cleaner poppet valve rod sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920670449.7U CN210057674U (en) | 2019-05-12 | 2019-05-12 | Sack cleaner poppet valve rod sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210057674U true CN210057674U (en) | 2020-02-14 |
Family
ID=69451445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920670449.7U Expired - Fee Related CN210057674U (en) | 2019-05-12 | 2019-05-12 | Sack cleaner poppet valve rod sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210057674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016935A (en) * | 2021-10-20 | 2022-02-08 | 中勘资源勘探科技股份有限公司 | Counterweight drill collar for large-caliber drilling construction |
-
2019
- 2019-05-12 CN CN201920670449.7U patent/CN210057674U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016935A (en) * | 2021-10-20 | 2022-02-08 | 中勘资源勘探科技股份有限公司 | Counterweight drill collar for large-caliber drilling construction |
| CN114016935B (en) * | 2021-10-20 | 2024-02-06 | 中勘资源勘探科技股份有限公司 | Counterweight drill collar for large-caliber drilling construction |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |