CN220227838U - Blowing type powder sealing device - Google Patents
Blowing type powder sealing device Download PDFInfo
- Publication number
- CN220227838U CN220227838U CN202321849313.5U CN202321849313U CN220227838U CN 220227838 U CN220227838 U CN 220227838U CN 202321849313 U CN202321849313 U CN 202321849313U CN 220227838 U CN220227838 U CN 220227838U
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- CN
- China
- Prior art keywords
- sealing
- groove
- air inlet
- gas
- ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 104
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 238000007664 blowing Methods 0.000 title claims abstract description 15
- 238000012856 packing Methods 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model relates to a sealing device, in particular to a blowing type powder sealing device, which comprises a sealing sleeve, a plurality of packing seals and also comprises the following components: the front sealing gas ring is arranged at the end part of the sealing sleeve and is movably inserted into the sealing shaft, a front air inlet groove and a front airtight groove which are mutually communicated are formed in the front sealing gas ring, the front air inlet groove is communicated with a front air inlet hole in the sealing sleeve, the front airtight groove is arranged opposite to the sealing shaft, and a plurality of packing seals are arranged on one side of the front sealing gas ring; and the sealing gland is fixed on the sealing sleeve and abuts against the packing seal. The blowing type powder sealing device provided by the utility model realizes sealing and powder isolation through blowing, not only can ensure sealing effect, but also can effectively improve the use reliability according to pollution materials.
Description
Technical Field
The utility model relates to a sealing device, in particular to a blowing type powder sealing device.
Background
In order to realize the sealing of axle, adopt a plurality of sealing washer to make up the use more, a powder seal structure as disclosed in CN211649067U, it includes sealed cavity, axle, fender ring, gland, oil cup, the axle runs through sealed cavity, fender ring, gland from left to right in proper order, the fender ring comprises body, horizontal part one, vertical part one, horizontal part one level fixed connection in the left side of body, vertical part one fixed connection in the inboard of body, the oil filler point of slope certain angle has been seted up on the upper portion of body, oil filler point and oil cup fixed connection, fender ring fixed connection is in the right side of sealed cavity, and horizontal part one stretches into in the sealed cavity, gland fixed connection is in the right flank of fender ring, be provided with dual seal structure between axle and the sealed cavity, dual seal structure comprises primary seal structure and secondary seal structure, primary seal structure is located the inboard of secondary seal structure. In actual use of the structure, powder still enters the sealing ring, the powder wears the sealing ring, and scraps formed by the wear of the sealing ring enter equipment to pollute materials.
Disclosure of Invention
In order to solve the problems, the utility model provides a blowing type powder sealing device which can ensure the sealing effect and effectively isolate material pollution, and the specific technical scheme is as follows:
the blowing type powder sealing device comprises a sealing sleeve and a plurality of packing seals, and further comprises: the front sealing gas ring is arranged at the end part of the sealing sleeve and is movably inserted into the sealing shaft, a front air inlet groove and a front airtight groove which are mutually communicated are formed in the front sealing gas ring, the front air inlet groove is communicated with a front air inlet hole in the sealing sleeve, the front airtight groove is arranged opposite to the sealing shaft, and a plurality of packing seals are arranged on one side of the front sealing gas ring; and the sealing gland is fixed on the sealing sleeve and abuts against the packing seal.
Preferably, the front air inlet groove is further provided with a plurality of air inlet through holes, and the air inlet through holes are respectively communicated with the front air inlet groove and the front airtight groove and are positioned on two sides of the front air inlet groove.
Preferably, the method further comprises: the sealing device comprises a sealing sleeve, a sealing shaft and a sealing ring, wherein the sealing sleeve is arranged on the sealing sleeve, the sealing ring is arranged on the sealing sleeve, and the sealing ring is arranged on the sealing sleeve.
Further, the packing seal comprises a graphite packing.
Compared with the prior art, the utility model has the following beneficial effects:
the blowing type powder sealing device provided by the utility model realizes sealing and powder isolation through blowing, not only can ensure sealing effect, but also can effectively improve the use reliability according to pollution materials.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a blowing type powder sealing device comprises a sealing sleeve 22, a packing seal 6, a front sealing gas ring 3 and a sealing gland 7. The sealing sleeve 22 is provided with a front flange 21 and a rear flange 23 at both ends, respectively, the front flange 21 being intended to be mounted on the device. The rear flange 23 is connected to the sealing gland 7 by bolts. The side of the sealing sleeve 22 is provided with a front air inlet 41.
The front sealing gas ring 3 is arranged at the end part of the sealing sleeve 22 and is positioned at one side of the front flange 21, and the front sealing gas ring 3 is also movably inserted on the sealing shaft 1. The outer circle surface of the front sealing gas ring 3 is provided with an annular front gas inlet groove 31, the inner circle surface is provided with an annular front gas seal groove 32, the bottom of the front gas inlet groove 31 is provided with a plurality of gas inlet through holes 33, the gas inlet through holes 33 are positioned on two sides of the front gas inlet groove 31 and are arranged in an annular array, the gas inlet through holes 33 are communicated with the front gas seal groove 32, and the front gas seal groove 32 is arranged opposite to the sealing shaft 1. The forward air inlet slot 31 communicates with a forward air inlet aperture 41 in the gland 22.
The packing seal 6 is positioned between the sealing gland 7 and the front sealing gas ring 3 and is pressed on the front sealing gas ring 3 through the sealing gland 7. The packing seal 6 comprises graphite packing.
The preceding airtight groove 32 of preceding seal gaseous ring 3 makes gaseous evenly distributed around sealed axle 1, because preceding airtight groove 3 does not have the gas outlet, the highly-compressed air of consequently entering can form the malleation airtight seal in preceding airtight groove 32, and the positive pressure can effectively block inside the piece entering equipment of graphite packing wearing and tearing, avoids polluting the material, also can prevent the material entering graphite packing simultaneously, is applicable to horizontal compounding equipment for sealed hardness is higher or granule is great powder, if: mineral powder, and the like, and improves the pollution of scraps generated by abrasion of the packing seal 6 to materials.
Example two
As shown in fig. 1, on the basis of the above embodiment, the air conditioning device further comprises a rear sealing air ring 5, an annular rear air sealing groove 51 is formed in the inner circular surface of the rear sealing air ring 5, a rear air inlet groove 52 and a rear air outlet groove 53 are formed in the outer circular surface of the rear sealing air ring 5, the rear air inlet groove 52 is not communicated with the rear air outlet groove 53, the rear air inlet groove 52 and the rear air outlet groove 53 are oppositely arranged, and the rear air inlet groove 52 and the rear air outlet groove 53 are respectively located on two sides of the rear sealing air ring 5. The rear air inlet groove 52 and the rear air outlet groove 53 are both communicated with the rear air seal groove 51, and the rear air seal groove 51 is arranged opposite to the seal shaft 1. The rear sealing gas ring 5 is positioned behind the front sealing gas ring 3, and a plurality of graphite packing is also arranged between the rear sealing gas ring 5 and the front sealing gas ring 3. A plurality of graphite packing is also arranged between the rear sealing gas ring 5 and the sealing gland 7. The rear air inlet groove 52 communicates with the rear air inlet hole 42, and the rear air outlet groove 53 communicates with the rear air outlet hole 43. The back inlet port 42 communicates with each other with high-pressure gas for letting in high-pressure gas, and after the high-pressure gas got into back air seal groove 51 through back air inlet groove 52, form the back gaseous ring on sealed axle 1 to last through back air outlet groove 53 and back venthole 43 exhaust, can play the purpose of sweeping the piece, the back gas outlet can be with piece discharge, play blowdown effect.
The front sealing gas ring 3, the rear sealing gas ring 5 and the packing can play a role in sealing under the combined action, waste can not contact with materials in the equipment, and scraps can be discharged in time.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of the specification and practice of the utility model without the need for inventive faculty, and are within the scope of the claims.
Claims (4)
1. The blowing type powder sealing device comprises a sealing sleeve (22) and a plurality of filler seals (6), and is characterized by further comprising:
the front sealing gas ring (3), the front sealing gas ring (3) is mounted at the end part of the sealing sleeve (22) and is movably inserted on the sealing shaft (1), the front sealing gas ring (3) is provided with a front air inlet groove (31) and a front airtight groove (32) which are mutually communicated, the front air inlet groove (31) is communicated with a front air inlet hole (41) on the sealing sleeve (22), the front airtight groove (32) is oppositely arranged with the sealing shaft (1), and a plurality of packing seals (6) are positioned at one side of the front sealing gas ring (3); a kind of electronic device with high-pressure air-conditioning system
And the sealing gland (7) is fixed on the sealing sleeve (22) and is propped against the packing seal (6).
2. The blowing type powder sealing device according to claim 1, wherein the front air inlet groove (31) is further provided with a plurality of air inlet through holes (33), and the air inlet through holes (33) are respectively communicated with the front air inlet groove (31) and the front airtight groove (32) and are positioned at two sides of the front air inlet groove (31).
3. A blowing powder seal apparatus as claimed in claim 1 or 2, wherein,
further comprises: the sealing device comprises a sealing shaft (1) and a rear sealing gas ring (5), wherein filler seals (6) are arranged on two sides of the rear sealing gas ring (5), a rear gas inlet groove (52), a rear gas outlet groove (53) and a rear gas sealing groove (51) which is oppositely arranged with the sealing shaft (1) are arranged on the rear sealing gas ring (5), the rear gas inlet groove (52) is communicated with a rear gas inlet hole (42) on the sealing sleeve (22), and the rear gas outlet groove (53) is communicated with a rear gas outlet hole (43) on the sealing sleeve (22).
4. A gas-blowing powder sealing arrangement according to claim 1 or 2, characterized in that the packing seal (6) comprises graphite packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849313.5U CN220227838U (en) | 2023-07-14 | 2023-07-14 | Blowing type powder sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849313.5U CN220227838U (en) | 2023-07-14 | 2023-07-14 | Blowing type powder sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227838U true CN220227838U (en) | 2023-12-22 |
Family
ID=89176702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321849313.5U Active CN220227838U (en) | 2023-07-14 | 2023-07-14 | Blowing type powder sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227838U (en) |
-
2023
- 2023-07-14 CN CN202321849313.5U patent/CN220227838U/en active Active
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| GR01 | Patent grant | ||
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