CN112871796A - Scraper assembly suitable for cleaning flange gasket - Google Patents
Scraper assembly suitable for cleaning flange gasket Download PDFInfo
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- CN112871796A CN112871796A CN202011360061.0A CN202011360061A CN112871796A CN 112871796 A CN112871796 A CN 112871796A CN 202011360061 A CN202011360061 A CN 202011360061A CN 112871796 A CN112871796 A CN 112871796A
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- scraper
- conical surface
- doctor
- scraper blade
- blade
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- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- B08B1/32—
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- B08B1/165—
Abstract
The invention discloses a scraper component suitable for cleaning a flange gasket, which comprises scrapers, and a conical rod and a stopping block which correspond to at least three scraper blades on the scrapers, wherein the two side ends of each scraper blade are respectively provided with a cutting edge, and the end surface of each scraper blade is provided with a sliding groove; the conical surface rod can be correspondingly inserted into a sliding groove which is arranged on the periphery of the flange on the scraper blade, the conical surface of the conical surface rod abuts against an inner sharp corner at the end part of one of the flanges, and the stopping block is arranged on the part, penetrating through the scraper blade, of the conical surface rod and is rotationally connected with the conical surface rod so as to limit the conical surface rod to be separated from the scraper blade. The scraper is simple in structure and convenient to operate, and when the scraper rotates, the scraper blade on the scraper can move downwards towards one of the flanges under the action of the conical surface rod, so that the cutting edge on the scraper blade cuts the flange gasket between the two flanges, and in the process, the abrasion between the conical surface on the conical surface rod and the inner sharp corner of the corresponding flange end part is reduced.
Description
Technical Field
The invention belongs to the technical field related to flange gasket cleaning, and particularly relates to a scraper assembly suitable for flange gasket cleaning.
Background
The condition that leakage is caused due to aging of the flange gasket and the flange gasket needs to be replaced is often met during equipment and pipelines, so that the old gasket needs to be cleaned and a new gasket needs to be replaced. Because of the extrusion of two ring flanges is received for a long time to old gasket for take place the solidification between old gasket and two ring flanges, for this reason, just can realize the clearance to old gasket with the help of the instrument, at present traditional mode adopts the spiller to clear up the old gasket between two ring flanges usually. Then, because the interval between two ring flanges after the split is the undersize, use the spiller and can't clear up it because the space is too little to get rid of with the manual removal of spiller, the use that needs is longer.
Disclosure of Invention
In view of the above, it is necessary to provide a scraper assembly suitable for flange gasket cleaning in view of the technical problems in the prior art.
Concretely, a scraper subassembly suitable for flange gasket clearance includes:
the scraper comprises an intermediate body and at least three scraper blades arranged on the periphery of the intermediate body, wherein cutting edges are respectively formed at the two side end parts of each scraper blade, and a sliding groove is formed in the end surface of each scraper blade;
and corresponding to conical surface pole and stopping piece that the scraper blade set up, conical surface pole can insert correspondingly lie in flange outlying spout on the scraper blade, wherein conical surface of conical surface pole supports and leans on the interior closed angle of one of them flange tip, the stopping piece is located conical surface pole passes on the part of scraper blade, and with conical surface pole rotates to be connected, in order to restrict conical surface pole breaks away from the scraper blade.
As a preferable scheme of the present invention, the tapered rod includes a cylindrical body and a cone body disposed on an outer circumferential surface of the cylindrical body, the cylindrical body passes through the sliding groove of the scraper blade, and a bottom surface of the cone body abuts against the scraper blade; wherein the tapered surface portion of the cone extends into an assembly gap between the scraper blade and the corresponding flange.
As a preferable aspect of the present invention, the retaining block has an arc surface that is matched with the outer peripheral surface of the cylinder, and the retaining block abuts against the outer peripheral surface of the cylinder through the arc surface.
As a preferable scheme of the present invention, the cylinder penetrates through the retaining block, wherein a bearing is sleeved on a portion of the cylinder, which is arranged in the retaining block.
As a preferable scheme of the present invention, the scraper assembly further includes a bolt, and the bolt penetrates through the corresponding sliding groove on the scraper blade and is matched with the retaining block, so as to limit the retaining block on the scraper blade.
As a preferable aspect of the present invention, a predetermined gap is left between each of the scraper blades inserted between the two flanges and each of the two flanges, so that when the scraper blades drive the intermediate body to rotate relative to the two flanges, the flange abutting against the tapered rod can drive the tapered rod to rotate relative to the corresponding scraper blade.
In a preferred embodiment of the present invention, a handle is connected to an end of each of the scraper blades, and each of the handles is capable of driving the scraper blades to rotate relative to the two flanges.
As a preferable aspect of the present invention, the number of the doctor blades is three.
In a preferred embodiment of the present invention, the plurality of doctor blades and the intermediate body are formed into an integral structure.
In a preferred embodiment of the present invention, the cutting edges of the two side ends of the blade face opposite directions.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the scraper component suitable for cleaning the flange gasket is simple in structure and convenient to operate, and through reasonable structural arrangement, when the scraper component drives the scraper to rotate between the two flanges, the scraper blade on the scraper can move downwards towards one of the flanges under the action of the conical surface rod, so that the cutting edge on the scraper blade cuts the flange gasket between the two flanges, and in the process, the conical surface rod can rotate relative to the two flanges under the driving of the flanges, so that the abrasion between the conical surface on the conical surface rod and the inner sharp angle of the end part of the corresponding flange is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a doctor assembly suitable for flange gasket cleaning according to an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic structural diagram of a doctor assembly suitable for flange gasket cleaning according to an embodiment of the present invention during operation.
Fig. 4 is a schematic structural view of the conical rod of the present invention.
10, a scraper; 11. a doctor blade; 111. cutting edges; 112. a chute; 113. a handle; 12. an intermediate; 20. a conical surface rod; 21. a cylinder; 22. a cone; 201. a conical surface; 30. a backstop block; 31. a circular arc surface; 40. a bolt; 200. and (4) a flange.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1-4, a doctor assembly for flange gasket cleaning according to one embodiment of the present invention includes a doctor blade 10, and a tapered rod 20 and a retaining block 30 corresponding to a doctor blade 11 of the doctor blade 10.
The thickness of the scraper 10 is smaller than the distance between the two flanges 200 to be acted by the scraper assembly, so that the scraper assembly can be correspondingly inserted into the flange gasket between the two flanges 200 when in work, and the flange gasket between the two flanges 200 can be cleaned.
In the present embodiment, the doctor blade 10 of the present embodiment includes the intermediate body 12, and at least three doctor blades 11 provided on the periphery of the intermediate body 12, wherein both side end portions of each doctor blade 11 are respectively formed with the cutting edges 111, and the end surface of each doctor blade 11 is provided with the slide grooves 112.
Moreover, the tapered rod 20 of the present embodiment can be inserted into the sliding groove 112 located at the periphery of the flange 200 on the doctor blade 11, wherein the tapered surface 201 of the tapered rod 20 abuts against the inner sharp corner at the end of one of the flanges 200, and the retaining block 30 is disposed on the portion of the tapered rod 20 passing through the doctor blade 11 and is rotatably connected to the tapered rod 20 to limit the tapered rod 20 from being separated from the doctor blade 11. That is, the scraper 10 of the present embodiment can be limited to a position between two flanges 200 by limiting each scraper blade 11 from separating from two flanges 200 toward the center line of the flange 200 by the engagement between the tapered rod 20 and the retaining block 30, and by combining the scraper 10 of the present embodiment having three scraper blades 11.
It will be appreciated that the doctor assembly of this embodiment may be operated by first inserting the doctor blade 10 into the flange gasket between the two flanges 200, and then using the tapered rod 20 and the backstop 30 to position the doctor blade 10 between the two flanges. Then the scraper 10 is driven to rotate the two flanges 200, and the scraper 10 can move towards the other flange 200 by the self gravity of the scraper 10 while the scraper 10 rotates by the abutting fit between the conical surface 201 on the conical surface rod 20 and the inner sharp angle on the flange 200, and the part of the flange gasket, which is positioned on one side of the scraper 10, is cleaned; and then the conical rod 20 and the backstop block 30 are installed in the opposite direction, and the actions are repeated, so that the other part of the flange gasket can be cleaned, and the integral cleaning of the flange gasket between the two flanges 200 is further realized. It should be noted that when the scraper 10 is inserted into the flange gasket, a predetermined gap is left between the scraper 10 and the inner end surfaces of the two flanges 200, so as to prevent the scraper 10 from grinding the end surfaces of the flanges 200 during the rotation process. Of course, when the scraper assembly of the present embodiment works, the distance between the scraper inserted into the flange gasket and the inner end surfaces of the two flanges 200 is controlled, and the distance of the relative movement formed by the matching of the conical surface 201 of the scraper 10 on the conical rod 20 and the inner sharp corner of the flange 200 is controlled, so that the flange gasket between the two flanges 200 can be completely cleaned, which will not be described herein.
The tapered rod 20 of the present embodiment includes a cylindrical body 21 and a tapered body 22 provided on the outer peripheral surface of the cylindrical body 21, and the cylindrical body 21 passes through the sliding groove 112 of the doctor blade 11 and abuts against the doctor blade 11 with the bottom surface of the tapered body 22, thereby facilitating the assembly of the tapered rod 20 on the doctor blade 11. The tapered surface 201 of the cone 22 of the present embodiment extends into the fitting gap between the doctor blade 11 and the corresponding flange 200.
In the present embodiment, the retaining block 30 of the present embodiment has an arc surface 31 matching the outer peripheral surface of the cylinder 21, and the retaining block 30 abuts against the outer peripheral surface of the cylinder 21 through the arc surface 31, so as to realize the rotational connection between the retaining block 30 and the tapered rod 20, so that when the scraper 10 rotates between the two flanges 200, the tapered rod 20 rotates along with the scraper blade 11, and at the same time, the rotational movement of the tapered rod 20 itself can be realized under the driving of the inner sharp corner of the flange 200, thereby reducing the abrasion between the tapered surface 201 of the tapered rod 20 and the inner sharp corner of the end of the corresponding flange 200 when the scraper assembly operates.
Alternatively, the cylindrical body 21 of the present embodiment is disposed through the retaining block 30, wherein a bearing (not shown) is sleeved on a portion of the cylindrical body 21 disposed in the retaining block 30, so that the retaining block 30 and the tapered rod 20 are rotatably connected by the bearing.
Moreover, the scraper assembly of the present embodiment further includes a bolt 40, and the bolt 40 penetrates through the corresponding upper sliding groove 112 of the scraper blade 11 and is engaged with the retaining block 30, so as to limit the retaining block 30 on the scraper blade 11, thereby realizing the dismounting between the retaining block 30 and the scraper blade 11.
As a preferable aspect of the present invention, each doctor blade 11 of the present embodiment has a handle 113 attached to an end thereof, and each handle 113 is capable of driving the doctor blade 10 to rotate relative to the two flanges 200, thereby facilitating the rotation of the doctor blade 10 within the flange gasket between the two flanges 200. Of course, it should be noted that to facilitate the rotational driving of the taping knife 10 between the two flanges 200, it is within the skill of the art to select one of the taping knives 10 to have the handle 113.
The number of the doctor blades 11 of the present embodiment is three, but it should be noted that the number of the doctor blades 11 may also be four, five, or even more, and will not be described herein.
Further, the plurality of doctor blades 11 of the present embodiment are provided in an integrated structure with the intermediate body 12, thereby facilitating the production of the doctor blade 10 as a whole.
In addition, the doctor blade 11 of the present embodiment has the cutting edges 111 on both side ends facing in opposite directions, so that the entire flange gasket can be cleaned during operation of the doctor blade 10.
In summary, the scraper component suitable for cleaning the flange gasket provided by the invention is simple in structure and convenient to operate, and through reasonable structural arrangement, when the scraper component drives the scraper to rotate between two flanges, the scraper blade on the scraper can move downwards towards one of the flanges under the action of the conical surface rod, so that the cutting edge on the scraper blade cuts the flange gasket between the two flanges, and in the process, the conical surface rod can rotate relative to the two flanges under the driving of the flanges, so that the abrasion between the conical surface on the conical surface rod and the inner sharp angle of the end part of the corresponding flange is reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express a few embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A scraper assembly suitable for flange gasket cleaning, comprising:
the scraper comprises an intermediate body and at least three scraper blades arranged on the periphery of the intermediate body, wherein cutting edges are respectively formed at the two side end parts of each scraper blade, and a sliding groove is formed in the end surface of each scraper blade;
and corresponding to conical surface pole and stopping piece that the scraper blade set up, conical surface pole can insert correspondingly lie in flange outlying spout on the scraper blade, wherein conical surface of conical surface pole supports and leans on the interior closed angle of one of them flange tip, the stopping piece is located conical surface pole passes on the part of scraper blade, and with conical surface pole rotates to be connected, in order to restrict conical surface pole breaks away from the scraper blade.
2. The scraper assembly suitable for flange gasket cleaning of claim 1, wherein the conical rod comprises a cylindrical body and a conical body arranged on the outer peripheral surface of the cylindrical body, the cylindrical body passes through the sliding groove of the scraper blade and abuts against the scraper blade by the bottom surface of the conical body; wherein the tapered surface portion of the cone extends into an assembly gap between the scraper blade and the corresponding flange.
3. The scraper assembly suitable for flange gasket cleaning of claim 2, wherein the retaining block has an arc surface matching the outer circumferential surface of the cylinder, and the retaining block abuts against the outer circumferential surface of the cylinder through the arc surface.
4. The scraper assembly suitable for flange gasket cleaning of claim 2, wherein the cylinder is disposed through the retaining block, and a bearing is sleeved on a portion of the cylinder disposed in the retaining block.
5. The scraper assembly suitable for flange gasket cleaning of claim 3 or 4, further comprising a bolt, wherein the bolt penetrates through the corresponding sliding groove on the scraper blade and is matched with the retaining block so as to limit the retaining block on the scraper blade.
6. The doctor assembly as claimed in claim 1, wherein a predetermined gap is left between the doctor blade inserted between the two flanges and the two flanges, so that when the plurality of doctor blades rotate relative to the two flanges, the flanges abutting against the tapered rod can drive the tapered rod to rotate relative to the corresponding doctor blade.
7. A doctor assembly adapted for flange gasket cleaning as claimed in claim 1, wherein a handle is attached to each end of each doctor blade, and each handle is adapted to drive rotation of the doctor blade relative to both flanges.
8. The doctor assembly as claimed in claim 7, wherein the number of doctor blades is three.
9. The doctor assembly as claimed in claim 1, wherein a plurality of the doctor blades are provided as a unitary structure with the intermediate body.
10. The doctor assembly as claimed in claim 1, wherein the ends of the doctor blade at both ends are oppositely facing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011360061.0A CN112871796B (en) | 2020-11-27 | 2020-11-27 | Scraper assembly suitable for cleaning flange gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011360061.0A CN112871796B (en) | 2020-11-27 | 2020-11-27 | Scraper assembly suitable for cleaning flange gasket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112871796A true CN112871796A (en) | 2021-06-01 |
| CN112871796B CN112871796B (en) | 2022-05-10 |
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ID=76043127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011360061.0A Active CN112871796B (en) | 2020-11-27 | 2020-11-27 | Scraper assembly suitable for cleaning flange gasket |
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| Country | Link |
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| CN (1) | CN112871796B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5454130A (en) * | 1994-09-06 | 1995-10-03 | Lammon; David A. | Ratcheting flange scraper |
| CN202316356U (en) * | 2011-11-05 | 2012-07-11 | 张群 | Rotary flange gasket cleaner |
| CN204638596U (en) * | 2015-03-20 | 2015-09-16 | 西安康明斯发动机有限公司 | One is rotatable gets glue cutter |
| CN108202031A (en) * | 2016-12-16 | 2018-06-26 | 中国石油天然气股份有限公司 | A kind of flange sealing surface cleaning tool |
| CN109663760A (en) * | 2017-10-17 | 2019-04-23 | 李晓敏 | A kind of portable scraper |
| CN209156506U (en) * | 2018-10-29 | 2019-07-26 | 滨州盟威戴卡轮毂有限公司 | A kind of wheelboss flange face brush fast-type replacement tooling |
| CN110743824A (en) * | 2018-07-23 | 2020-02-04 | 中国石油天然气股份有限公司 | Cutter for cleaning flange water-textured surface sealing gasket |
-
2020
- 2020-11-27 CN CN202011360061.0A patent/CN112871796B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5454130A (en) * | 1994-09-06 | 1995-10-03 | Lammon; David A. | Ratcheting flange scraper |
| CN202316356U (en) * | 2011-11-05 | 2012-07-11 | 张群 | Rotary flange gasket cleaner |
| CN204638596U (en) * | 2015-03-20 | 2015-09-16 | 西安康明斯发动机有限公司 | One is rotatable gets glue cutter |
| CN108202031A (en) * | 2016-12-16 | 2018-06-26 | 中国石油天然气股份有限公司 | A kind of flange sealing surface cleaning tool |
| CN109663760A (en) * | 2017-10-17 | 2019-04-23 | 李晓敏 | A kind of portable scraper |
| CN110743824A (en) * | 2018-07-23 | 2020-02-04 | 中国石油天然气股份有限公司 | Cutter for cleaning flange water-textured surface sealing gasket |
| CN209156506U (en) * | 2018-10-29 | 2019-07-26 | 滨州盟威戴卡轮毂有限公司 | A kind of wheelboss flange face brush fast-type replacement tooling |
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| Publication number | Publication date |
|---|---|
| CN112871796B (en) | 2022-05-10 |
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