CN110539970A - External-buckling type thread locking flange sealing surface protection device - Google Patents
External-buckling type thread locking flange sealing surface protection device Download PDFInfo
- Publication number
- CN110539970A CN110539970A CN201910770833.9A CN201910770833A CN110539970A CN 110539970 A CN110539970 A CN 110539970A CN 201910770833 A CN201910770833 A CN 201910770833A CN 110539970 A CN110539970 A CN 110539970A
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- CN
- China
- Prior art keywords
- flange
- hole
- cover
- protection
- sealing surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
- B65D59/06—Caps
Abstract
The invention discloses an external buckling type thread locking flange sealing surface protection device which is arranged on a flange and comprises a plurality of screw rods, cylindrical pins, split pins, a buckling handle, nuts and a flange protection cover, wherein the flange protection cover is attached to the front cover part of the flange, the flange protection cover and the front cover part are respectively provided with a first spiral hole and a second spiral hole which allow the screw rods to be screwed in, one end of each screw rod is sequentially screwed in the first spiral hole and the second spiral hole to be connected with the nuts, the side wall of the other end of each screw rod and the buckling handle are provided with a first positioning hole and a second positioning hole, the cylindrical pins sequentially penetrate through the first positioning hole and the second positioning hole, the side wall of each cylindrical pin is also fixedly provided with the split pin, the buckling handle is provided with a lock hole which is clamped with the split pin, and the invention prevents external impurities from entering a pipe connected with the flange to cause pollution, and simultaneously, the cover of the flange is protected.
Description
Technical Field
The invention relates to the technical field of flange sealing, in particular to an external buckle type thread locking flange sealing surface protection device.
Background
After the pipeline is coated and painted, the flange on the process pipeline needs to be protected before field installation and construction, and the damage to the sealing surface of the flange, foreign matters and sundries are prevented from entering the coated single pipe to cause pollution. However, typically during shipping, storage and field installation operations, the flange sealing face of a single-pipe flange nozzle is easily damaged or scratched by hard objects; on-site dust and rainwater can easily enter the process pipeline from the opened flange, so that the inner wall of the process pipeline is polluted; therefore, a large amount of manpower and material resources are wasted, and the cleaning is not easy.
In the links of pipeline transportation, storage and installation construction, the flange is easy to be collided with and scratched by external hard objects or corroded and damaged by natural rainwater, so that high flange face repairing cost is caused.
In order to overcome the above disadvantages, the flanged pipe orifice of the pipeline is usually sealed by using a plastic pipe cap protection pipe or using a rubber or canvas manner during the transportation, storage and installation construction of the sprayed pipeline. However, the material is easy to fall off, lose or grind during the prefabrication and transportation process of the pipe orifice of the pipeline flange and cannot be recycled and reused; at the same time, damage to the flange seal face also results, thus causing high costs for repairing the flange face.
Disclosure of Invention
The present invention is intended to solve the above technical problems to some extent.
In view of the above, the present invention provides an external thread locking flange sealing surface protection device, which prevents external impurities from entering a pipe connected with a flange to cause pollution, and simultaneously protects a front cover of the flange.
In order to solve the technical problems, the invention provides an external buckling type thread locking flange sealing surface protection device which is arranged on a flange and comprises a plurality of screw rods, cylindrical pins, split pins, buckling handles, nuts and a flange protection cover, wherein the flange protection cover is attached to the front cover part of the flange, the flange protection cover and the front cover part are both provided with a first spiral hole and a second spiral hole which allow the screw rods to be screwed in, one end of each screw rod is sequentially screwed in the first spiral hole and the second spiral hole to be connected with the nuts, the side wall of the other end of each screw rod and the buckling handles are provided with a first positioning hole and a second positioning hole, the cylindrical pins sequentially penetrate through the first positioning hole and the second positioning hole, the side walls of the cylindrical pins are further fixedly provided with the split pins, and the buckling handles are provided with locking holes for clamping the split pins.
Further, still including the supplementary dog of installation, the supplementary dog of installation is connected the flange protective cover and with the inner wall of flange through-hole is laminated mutually.
Further, the screw rod is still overlapped and is equipped with buckle protective washer, buckle protective washer sets up the buckle handle with between the flange protective cover.
Further, the buckle handle includes the second locating hole with the circular rotating part of lockhole and connect the handle portion of rotating part, the second locating hole skew the center setting of circular rotating part.
Further, still include the silica gel protection pad, the silica gel protection pad sets up the flange protective cover with between the front cover of flange, just the silica gel protection pad is inside with the central axis of flange through-hole is the center, sets up the intercommunication mouth the same with its radius.
Further, the flange protective cover the silica gel protective pad with the outer contour line of flange is the same.
Further, the plurality of screws are distributed at equal angles along the front cover part by taking the central axis of the flange as a center.
Furthermore, the number of the screw rods is two, and the two screw rods are symmetrically arranged by taking the central axis of the flange as a center.
The invention has the technical effects that: the flange protective cover is tightly fixed on the flange sealing surface by fastening the thread buckle body, and then the gapless effective protection is achieved by the extrusion sealing of the silica gel pad on the protective cover and the flange sealing surface, the flange is firmly and effectively protected by adopting a universal thread buckle type flange protective cover with firm and effective structure in consideration of the large integral protection difficulty of flanges with various sizes, and the silica gel pad and the flange sealing surface form the tight and effective protection; effectively solved the link is deposited in the construction transportation to the flange face on the pipeline, the sealed face of flange suffers impaired problems such as colliding with, fish tail easily, has effectively kept apart simultaneously that dust and sand, water, rubbish foreign matter get into the inside pollution pipeline inner wall of pipeline from the pipeline flange mouth to the difficult problems such as the inside difficult pipeline that leads to the fact after having avoided dust and sand, water, rubbish foreign matter to get into is difficult for driving, is under construction difficulty.
Drawings
Fig. 1 is a schematic structural view of a protection device for a sealing surface of an external thread locking flange according to the invention.
Wherein, 1-screw; 2-a cotter pin; 3. -a cylindrical pin; 4-buckling a handle; 5-snap protection gasket; 6-a nut; 7-silica gel protective pad; 8-flange protection cover; and 9, mounting an auxiliary stop block.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1, an external-buckling type thread locking flange sealing surface protection device is installed on a flange and comprises a plurality of screws 1, a cylindrical pin 3, a split pin 2, a buckle handle 4, a nut 6 and a flange protection cover 8, wherein the flange protection cover 8 is attached to the front cover portion of the flange, the flange protection cover 8 and the front cover portion are both provided with a first spiral hole and a second spiral hole which allow the screws 1 to be screwed in, one end of each screw 1 is screwed in the first spiral hole and the second spiral hole in sequence to connect the nut 6, the side wall of the other end of each screw 1 and the buckle handle 4 are provided with a first positioning hole and a second positioning hole, the cylindrical pin 3 sequentially penetrates through the first positioning hole and the second positioning hole, the side wall of the cylindrical pin 3 is further fixed with the split pin 2, and the buckle handle 4 is provided.
According to the embodiment of the invention, one end of a screw 1 is screwed into a first spiral hole and a second spiral hole in sequence, a nut 6 is screwed at the end part of the screw, a side wall of the other end of the screw 1 and a buckle handle 4 are provided with a first positioning hole and a second positioning hole, a cylindrical pin 3 sequentially passes through the first positioning hole and the second positioning hole, a split pin 2 is further fixed on the side wall of the cylindrical pin 3, the buckle handle 4 is provided with a locking hole for clamping the split pin 2, and the locking hole of the buckle handle 4 is clamped into the split pin 2 to position the buckle handle 4, so that the buckle handle 4 is attached to a flange protective cover 8, and the flange protective cover 8 is attached to a cover part of a flange.
Specifically, the cylindrical pin 3 can be welded in a first positioning hole of the screw rod 1
Specifically, still including the supplementary dog 9 of installation, the supplementary dog 9 of installation flange protective cover 8 just laminates mutually with the inner wall of flange through-hole, the installation of being convenient for.
Specifically, the screw rod 1 is further sleeved with a buckle protective washer 5, and the buckle protective washer 5 is arranged between the buckle handle 4 and the flange protective cover 8.
Specifically, the buckle handle 4 includes a circular rotating portion provided with a second positioning hole and a lock hole, and a handle portion connected to the rotating portion, and the second positioning hole is arranged at the center of the circular rotating portion.
Specifically, still include the silica gel protection pad 7, the silica gel protection pad 7 sets up between the front cover of flange protective cover 8 and flange, and the silica gel protection pad 7 is inside to use the central axis of flange through-hole as the center, sets up the intercommunication mouth the same with its radius.
Specifically, the flange protective cover 8, the silica gel protective pad 7 and the flange have the same outer contour line.
According to the embodiment of the present invention, the plurality of screws 1 are equally angularly distributed along the cover portion centering on the central axis of the flange.
According to the specific embodiment of the invention, the number of the screws 1 is two, and the two screws 1 are symmetrically arranged by taking the central axis of the flange as the center
An external buckling type thread locking flange sealing surface protection device comprises the following use methods: the pipeline flange mouth painting device comprises a screw 1, a cotter 2, a cylindrical pin 3, a buckle handle 4 and a buckle protection gasket 5 which are sequentially assembled into a buckle body, a flange protection cover 8 provided with an auxiliary installing stop block 9 is integrally lifted up and placed into a flange mouth and aligned with a flange body bolt hole, the assembled buckle body penetrates through the flange protection cover 8 and the bolt hole of the flange body, a back nut 6 is screwed, the buckle handle 4 is buckled down and tightly attached to the flange protection cover 8 after the nut 6 is screwed, so that a silica gel protection gasket 7 is tightly attached to a flange sealing face, and therefore the pipeline flange mouth painting device has a convenient and effective field construction protection effect, is simple in structure, firm and durable, and is subjected to external hard object collision, scratch or natural force rainwater corrosion damage in the processes of transportation, storage and installation and construction after painting of a pipeline flange; in addition, the pipeline is not easy to fall off and lose in the process of pipeline installation, transportation and storage, and can be recycled, so that the protection performance of the pipe orifice of the pipeline flange is greatly improved, and the aims of saving energy, reducing emission, reducing cost and improving efficiency are fulfilled.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. The utility model provides an outer knot formula thread locking flange seal face protector, installs on the flange, its characterized in that, includes a plurality of screw rods, cylindric lock, split pin, buckle handle, nut and flange protective cover, the flange protective cover with the front cover portion of flange is laminated mutually, the flange protective cover with the permission is all seted up to the front cover portion the first spiral hole and the second spiral hole of screw rod screw in, first spiral hole of screw rod one end screw in proper order is connected with second spiral hole the nut, the lateral wall of the screw rod other end with first locating hole and second locating hole are seted up to the buckle handle, the cylindric lock passes in proper order first locating hole with the second locating hole, the lateral wall of cylindric lock still is fixed with the split pin, the block is seted up to the buckle handle the lockhole of split pin.
2. The external-buckled thread locking flange sealing surface protector as claimed in claim 1, further comprising an installation auxiliary stopper, wherein the installation auxiliary stopper is connected with the flange protecting cover and attached to the inner wall of the flange through hole.
3. The external-buckled thread locking flange sealing surface protector of claim 1, wherein the screw is further sleeved with a buckle protection washer, and the buckle protection washer is arranged between the buckle handle and the flange protection cover.
4. The externally-buckled thread locking flange sealing surface protector as recited in claim 1, wherein the buckle handle comprises a circular rotating portion provided with the second positioning hole and the locking hole, and a handle portion connected with the rotating portion, and the second positioning hole is arranged to be offset from the center of the circular rotating portion.
5. The external-buckled thread locking flange sealing surface protection device according to claim 4, further comprising a silica gel protection pad, wherein the silica gel protection pad is arranged between the flange protection cover and the cover of the flange, and the silica gel protection pad is provided with a communication port with the same radius with the central axis of the flange through hole as the center.
6. The external thread locking flange seal surface protector of claim 5, wherein the outer contour lines of the flange protection cover, the silicone rubber protection pad and the flange are the same.
7. The male lock thread flange seal surface protector according to claim 1, wherein a plurality of said threaded rods are equiangularly distributed along the front face portion centered on the central axis of the flange.
8. The external-fastened type thread locking flange sealing surface protector according to claim 7, wherein the number of the threaded rods is two, and the two threaded rods are symmetrically arranged by taking the central axis of the flange as a center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770833.9A CN110539970B (en) | 2019-08-20 | 2019-08-20 | External-buckling type thread locking flange sealing surface protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770833.9A CN110539970B (en) | 2019-08-20 | 2019-08-20 | External-buckling type thread locking flange sealing surface protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110539970A true CN110539970A (en) | 2019-12-06 |
| CN110539970B CN110539970B (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910770833.9A Active CN110539970B (en) | 2019-08-20 | 2019-08-20 | External-buckling type thread locking flange sealing surface protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110539970B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038495A (en) * | 2021-11-13 | 2022-02-11 | 中国航发沈阳黎明航空发动机有限责任公司 | Protection device for honeycomb ring-shaped piece of cavity web structure |
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| DE3036668A1 (en) * | 1980-09-29 | 1982-07-01 | Maschinenfabrik Karl Rehberg, 4730 Ahlen | Connector for hot water tank - has pipe drawn with sloping weld seam for smooth inner surface |
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| JPS5813259A (en) * | 1981-07-17 | 1983-01-25 | Hitachi Ltd | Arrangement of flange |
| US5437309A (en) * | 1994-03-15 | 1995-08-01 | Timmons; Robert D. | Lockable well cap |
| US20100154988A1 (en) * | 2008-12-22 | 2010-06-24 | Tdw Delaware, Inc. | Fusible Completion Plug |
| EP2213925A1 (en) * | 2009-01-30 | 2010-08-04 | Roberto Ravetti | Electroweldable fitting made of polyethylene for big-diameter ducts |
| CN204083647U (en) * | 2014-08-08 | 2015-01-07 | 江苏亿利达水处理设备有限公司 | High pressure pipe line port sealing structure |
| CN205534741U (en) * | 2016-04-26 | 2016-08-31 | 四川建筑职业技术学院 | Terminal seal structure of pipeline |
| CN205938328U (en) * | 2016-07-29 | 2017-02-08 | 海洋石油工程（青岛）有限公司 | Embedded flange protection lid |
| CN207550896U (en) * | 2017-10-23 | 2018-06-29 | 天顺（珠海）新能源有限公司 | A kind of flange protecting device |
| CN208565296U (en) * | 2018-07-25 | 2019-03-01 | 浙江东冠通信技术股份有限公司 | A kind of automobile-used Quick Release of Internet of Things power generation fills shaft coupling |
| CA3018364A1 (en) * | 2017-09-23 | 2019-03-23 | David Johnson | A lockout device and a method for its use |
| CN209140749U (en) * | 2018-11-12 | 2019-07-23 | 浙江春晖智能控制股份有限公司 | A kind of flange positioning clamping device |
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2019
- 2019-08-20 CN CN201910770833.9A patent/CN110539970B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3036668A1 (en) * | 1980-09-29 | 1982-07-01 | Maschinenfabrik Karl Rehberg, 4730 Ahlen | Connector for hot water tank - has pipe drawn with sloping weld seam for smooth inner surface |
| DE3219829A1 (en) * | 1981-05-27 | 1982-12-16 | Röhren- und Pumpenwerk Rudolf Bauer GmbH, 8570 Voitsberg, Steiermark | Quick-acting closure for containers with a lid |
| JPS5813259A (en) * | 1981-07-17 | 1983-01-25 | Hitachi Ltd | Arrangement of flange |
| US5437309A (en) * | 1994-03-15 | 1995-08-01 | Timmons; Robert D. | Lockable well cap |
| US20100154988A1 (en) * | 2008-12-22 | 2010-06-24 | Tdw Delaware, Inc. | Fusible Completion Plug |
| EP2213925A1 (en) * | 2009-01-30 | 2010-08-04 | Roberto Ravetti | Electroweldable fitting made of polyethylene for big-diameter ducts |
| CN204083647U (en) * | 2014-08-08 | 2015-01-07 | 江苏亿利达水处理设备有限公司 | High pressure pipe line port sealing structure |
| CN205534741U (en) * | 2016-04-26 | 2016-08-31 | 四川建筑职业技术学院 | Terminal seal structure of pipeline |
| CN205938328U (en) * | 2016-07-29 | 2017-02-08 | 海洋石油工程（青岛）有限公司 | Embedded flange protection lid |
| CA3018364A1 (en) * | 2017-09-23 | 2019-03-23 | David Johnson | A lockout device and a method for its use |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038495A (en) * | 2021-11-13 | 2022-02-11 | 中国航发沈阳黎明航空发动机有限责任公司 | Protection device for honeycomb ring-shaped piece of cavity web structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110539970B (en) | 2022-02-18 |
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