CN215568691U - Low temperature resistant stainless steel flange easy to assemble - Google Patents
Low temperature resistant stainless steel flange easy to assemble Download PDFInfo
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- CN215568691U CN215568691U CN202120503630.6U CN202120503630U CN215568691U CN 215568691 U CN215568691 U CN 215568691U CN 202120503630 U CN202120503630 U CN 202120503630U CN 215568691 U CN215568691 U CN 215568691U
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Abstract
The utility model relates to the technical field of flanges, in particular to a low-temperature-resistant stainless steel flange convenient to install, which comprises a pipeline and flange plates, wherein a cylinder is fixedly connected to the flange plates, the cylinder is sleeved on the outer wall of the pipeline, the inner wall of the cylinder is in threaded connection with the outer wall of the pipeline, the end part of the pipeline is in abutting contact with the flange plates, a loosening prevention mechanism is arranged between the cylinder and the pipeline, a guide butt joint mechanism is arranged between the two flange plates, fixing bolts are inserted into fixing holes of the two flange plates, and the two flange plates are fixedly connected through the fixing bolts. The utility model overcomes the defect that the welding part is easy to rust after being used for a long time in the prior art, so that the connection effect of the flange plate and the pipeline is poor, has obvious beneficial effect and is suitable for popularization.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a low-temperature-resistant stainless steel flange convenient to mount.
Background
The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the device for connection between two devices. The flange connection is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. When two existing pipelines are connected by using flanges, the flange plates are required to be fixedly installed on the two pipelines firstly, and then the two flange plates are fixedly connected together, so that the two pipelines are communicated. However, in the prior art, when the flange plate is connected to a pipeline, the flange plate is generally connected in a welding mode, and a welding part is easy to rust after being used for a long time, so that the connection effect of the flange plate and the pipeline is poor, and therefore the low-temperature resistant stainless steel flange convenient to mount is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a welding part is easy to rust after being used for a long time in the prior art, so that the connection effect of a flange plate and a pipeline is poor, and provides a low-temperature resistant stainless steel flange convenient to mount.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the design is a low temperature resistant stainless steel flange convenient to install, and comprises a pipeline and a flange plate, wherein a cylinder is fixedly connected to the flange plate, the cylinder is sleeved on the outer wall of the pipeline, the inner wall of the cylinder is connected with the outer wall of the pipeline in a threaded manner, the end part of the pipeline is in abutting contact with the flange plate, a loosening prevention mechanism is arranged between the cylinder and the pipeline, a guide butt joint mechanism is arranged between the flange plates, two fixing bolts are arranged in fixing holes of the flange plates in an alternating manner, and the fixing bolts are used for fixedly connecting the two flange plates.
Preferably, the anti-loosening mechanism comprises a ratchet groove formed in the peripheral wall of the pipeline and a circular shaft rotatably connected to the end portion of the cylinder, an arc-shaped plate is fixedly connected to one end, away from the cylinder, of the circular shaft, a pawl is fixedly connected to the lower surface of the arc-shaped plate, a torsion spring is sleeved on the outer wall of the circular shaft, two ends of the torsion spring are fixedly connected with the cylinder and the arc-shaped plate respectively, and the pawl is pressed in the ratchet groove under the action of the torsion spring.
Preferably, a sealing ring is fixedly adhered to the side wall of the flange plate, which is in contact with the pipeline.
Preferably, a sealing gasket is fixedly adhered to the side wall where the two flanges are contacted.
Preferably, the guide butting mechanism comprises a guide protrusion fixedly connected to one of the flanges and a groove arranged on the other flange, and the guide protrusion is inserted into the groove.
Preferably, the guide protrusion is of a bullet structure, one section of the guide protrusion, which is close to the flange, is of a cylindrical structure, and the groove is a cylindrical groove, and the outer wall of the cylindrical section of the guide protrusion is tightly attached to the inner wall of the groove.
Preferably, one of them fixedly connected with first fixed plate on the lateral wall of ring flange, run through on the first fixed plate and be provided with a screw thread section of thick bamboo, the internal thread of screw thread section of thick bamboo is connected with the threaded rod, the one end fixedly connected with rim plate of threaded rod, the other end of threaded rod rotates and is connected with and supports the clamp plate, it sets up perpendicularly all the time for the threaded rod to support the clamp plate.
Preferably, the peripheral wall of the wheel disc is sleeved with an anti-skid rubber sleeve.
Preferably, the pipe is made of nickel steel material.
Preferably, the flange plate is made of austenitic stainless steel material.
The utility model provides a low-temperature-resistant stainless steel flange convenient to install, which has the beneficial effects that: the cylinder is fixedly connected to the flange plate, the cylinder and the flange plate can be of an integrally formed structure, when the flange plate is required to be connected to a pipeline, the flange plate only needs to be rotated, and the pipeline and the flange plate are firmly fixed together under the effect of threaded connection of the cylinder and the pipeline, so that connection between the flange plate and the pipeline is completed, the flange plate and the pipeline are simple and quick, an electric welding machine does not need to be additionally used for welding the flange plate and the pipeline, the flange plate and the pipeline can be detached at any time, and the low-temperature resistant stainless steel flange convenient to install is obvious in beneficial effect; in addition, two flange discs are fixedly connected together through fastening bolts, two pipeline flange connections can be achieved, operation is convenient and fast, the problem that in the prior art, the flange discs and pipelines are welded together, rusting is easy to occur after long-time use, the flange discs and the pipelines are poor in connection effect is solved, the beneficial effect is obvious, and the pipeline joint is suitable for popularization.
Drawings
Fig. 1 is a schematic perspective view of a low temperature resistant stainless steel flange convenient to mount according to the present invention;
FIG. 2 is a schematic structural view of a front cross section of a low temperature resistant stainless steel flange which is convenient to install and proposed by the present invention;
FIG. 3 is an enlarged view of the part A of FIG. 2;
fig. 4 is a schematic side sectional view of a low temperature resistant stainless steel flange convenient to mount according to the present invention.
In the figure: the device comprises a pipeline 1, a flange plate 2, a cylinder 3, a fixing bolt 4, a ratchet groove 5, a circular shaft 6, an arc plate 7, a pawl 8, a torsion spring 9, a sealing ring 10, a sealing gasket 11, a guide protrusion 12, a groove 13, a first fixing plate 14, a threaded cylinder 15, a threaded rod 16, a wheel disc 17 and a pressing plate 18.
Detailed Description
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.
Referring to fig. 1-4, a low temperature resistant stainless steel flange convenient for installation, comprising a pipeline 1 and a flange plate 2, wherein the pipeline 1 is made of nickel steel material, the flange plate 2 is made of austenitic stainless steel material, both the pipeline 1 and the flange plate 2 are made of low temperature resistant material, a cylinder 3 is fixedly connected to the flange plate 2, the flange plate 2 and the cylinder 3 can be of an integral structure, the cylinder 3 is sleeved on the outer wall of the pipeline 1, the inner wall of the cylinder 3 is in threaded connection with the outer wall of the pipeline 1, the end part of the pipeline 1 is in abutting contact with the flange plate 2, a sealing ring 10 is fixedly adhered to the side wall of the flange plate 2 in contact with the pipeline 1, the cylinder 3 is in threaded connection with the outer wall of the pipeline 1 by rotating the flange plate 2, and the end part of the pipeline 1 is in strong abutting contact with the flange plate 2 at the moment, because the sealing ring 10 is clamped between the pipeline 1 and the flange plate 2, the pipeline 1 and the flange plate 2 are in sealed connection under the action of the sealing ring 10, need not use the electric welding machine to install ring flange 2 on pipeline 1, install convenient and fast and ring flange 2 can also be dismantled from pipeline 1 at any time.
In the utility model, an anti-loosening mechanism is arranged between a cylinder 3 and a pipeline 1, the anti-loosening mechanism comprises a ratchet groove 5 arranged on the outer peripheral wall of the pipeline 1 and a circular shaft 6 rotatably connected to the end part of the cylinder 3, one end of the circular shaft 6 far away from the cylinder 3 is fixedly connected with an arc plate 7, the lower surface of the arc plate 7 is fixedly connected with a pawl 8, the outer wall of the circular shaft 6 is sleeved with a torsion spring 9, two ends of the torsion spring 9 are respectively and fixedly connected with the cylinder 3 and the arc plate 7, the pawl 8 is always extruded towards the outer wall of the pipeline 1 under the action of the torsion spring 9, the pawl 8 can be pressed into the ratchet groove 5 under the action of the torsion spring 9, when the flange 2 is arranged on the pipeline 1 by rotating the flange 2, the flange 2 drives the cylinder 3 to gradually approach towards the pipeline 1, the pawl 8 can also gradually approach the ratchet groove 5 in the moving process of the cylinder 3, when the pawl 8 enters the ratchet groove 5, at the moment, the cylinder 3 does not have the reverse rotation capacity any more, the flange plate 2 can be fixedly connected with the pipeline 1 only by continuously rotating the cylinder 3, and the flange plate 2 has the anti-loosening capacity under the matching action of the pawl 8 and the ratchet groove 5; furthermore, when it is desired to remove the flange 2 from the pipe 1, it is necessary to keep the pawls 8 from entering the ratchet grooves 5.
According to the utility model, a guide butt joint mechanism is arranged between two flange plates 2, the guide butt joint mechanism comprises a guide bulge 12 fixedly connected to one of the flange plates 2 and a groove 13 arranged on the other flange plate 2, the guide bulge 12 is inserted into the groove 13, the guide bulge 12 is of a bullet structure, a section of the guide bulge 12 close to the flange plate 2 is of a cylindrical structure, the groove 13 is a cylindrical groove, the outer wall of the cylindrical section of the guide bulge 12 is tightly attached to the inner wall of the groove 13, and in order to ensure accurate butt joint of fixing holes of the two flange plates 2, the guide butt joint mechanism is required to be arranged, so that when the two flange plates are butted together, the fixing holes on the two flange plates 2 are also perfectly butted, thereby achieving two purposes; furthermore, the guide protrusion 12 is configured to be bullet-shaped, so that the end of the guide protrusion 12 can enter the groove 13 more smoothly.
In the utility model, a first fixing plate 14 is fixedly connected to the side wall of one of the flanges 2, a thread cylinder 15 is arranged on the first fixing plate 14 in a penetrating manner, a threaded rod 16 is connected to the inner thread of the thread cylinder 15, a wheel disc 17 is fixedly connected to one end of the threaded rod 16, an anti-skid rubber sleeve is sleeved on the peripheral wall of the wheel disc 17, a pressing plate 18 is rotatably connected to the other end of the threaded rod 16, the pressing plate 18 is always vertically arranged relative to the threaded rod 16, when the end part of the guide protrusion 12 enters the groove 13, the wheel disc 17 can be controlled to save strength to enable the threaded rod 16 to rotate, when the threaded rod 16 rotates, the pressing plate 18 is driven to move along the extension line direction of the threaded rod 16, when the pressing plate 18 presses against the flanges 2, the threaded rod 16 continues to rotate to enable the pressing plate 18 to press the two flanges 2 to be close to each other, when the two flanges 2 are close to each other, under the action of the guiding butt-joint mechanism, the two flange plates 2 are perfectly butted; fixing bolt 4 is arranged in the fixed orifices of two ring flanges 2 in an alternating manner, fixing bolt 4 fixedly connects two ring flanges 2, and the side wall that two ring flanges 2 contact is fixedly adhered with a sealing gasket 11, and after two ring flanges 2 are perfectly butted, two ring flanges 2 are fixedly connected together through fixing bolt 4, so that the flange connection between two pipelines 1 is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a low temperature resistant stainless steel flange easy to assemble, includes pipeline (1) and flange dish (2), its characterized in that, fixedly connected with drum (3) on flange dish (2), drum (3) cover is established on the outer wall of pipeline (1) and the outer wall threaded connection of the inner wall of drum (3) and pipeline (1), pipeline (1) tip and flange dish (2) support the pressure contact, be provided with locking mechanism, two between drum (3) and pipeline (1) be provided with direction docking mechanism, two it is provided with fixing bolt (4) to alternate in the fixed orifices of flange dish (2), fixing bolt (4) are with two flange dish (2) fixed connection.
2. The easy-to-mount low-temperature-resistant stainless steel flange as claimed in claim 1, wherein the anti-loosening mechanism comprises a ratchet groove (5) formed in the outer peripheral wall of the pipeline (1) and a circular shaft (6) rotatably connected to the end of the cylinder (3), one end of the circular shaft (6) far away from the cylinder (3) is fixedly connected with an arc plate (7), a pawl (8) is fixedly connected to the lower surface of the arc plate (7), a torsion spring (9) is sleeved on the outer wall of the circular shaft (6), two ends of the torsion spring (9) are respectively fixedly connected with the cylinder (3) and the arc plate (7), and the pawl (8) is pressed in the ratchet groove (5) under the action of the torsion spring (9).
3. An easy-to-install low temperature resistant stainless steel flange according to claim 1, wherein the side wall of the flange plate (2) contacting with the pipeline (1) is fixedly adhered with a sealing ring (10).
4. An easy-to-install low temperature resistant stainless steel flange according to claim 1, characterized in that a gasket (11) is fixedly adhered to the side wall where the two flanges (2) are in contact.
5. An easy-to-install low temperature resistant stainless steel flange according to claim 1, wherein the guiding butt-joint mechanism comprises a guiding protrusion (12) fixedly connected to one flange (2) and a groove (13) formed on the other flange (2), and the guiding protrusion (12) is inserted into the groove (13).
6. An easy-to-mount low temperature resistant stainless steel flange as claimed in claim 5, wherein the guiding protrusion (12) is of a bullet structure and a section of the guiding protrusion (12) near the flange (2) is of a cylindrical structure, the groove (13) is a cylindrical groove and the outer wall of the cylindrical section of the guiding protrusion (12) is tightly attached to the inner wall of the groove (13).
7. The easy-to-mount low-temperature-resistant stainless steel flange as claimed in claim 1, wherein a first fixing plate (14) is fixedly connected to a side wall of one of the flanges (2), a threaded cylinder (15) is arranged on the first fixing plate (14) in a penetrating manner, a threaded rod (16) is connected to an internal thread of the threaded cylinder (15), a wheel disc (17) is fixedly connected to one end of the threaded rod (16), a pressing plate (18) is rotatably connected to the other end of the threaded rod (16), and the pressing plate (18) is vertically arranged relative to the threaded rod (16) all the time.
8. An easy-to-install low temperature resistant stainless steel flange as claimed in claim 7, wherein the peripheral wall of said wheel disc (17) is sleeved with an anti-slip rubber sleeve.
9. An easy to install low temperature resistant stainless steel flange according to claim 3, characterized in that the pipe (1) is made of nickel steel material.
10. An easy-to-install low temperature resistant stainless steel flange according to claim 1, characterized in that the flange plate (2) is made of austenitic stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503630.6U CN215568691U (en) | 2021-03-10 | 2021-03-10 | Low temperature resistant stainless steel flange easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503630.6U CN215568691U (en) | 2021-03-10 | 2021-03-10 | Low temperature resistant stainless steel flange easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215568691U true CN215568691U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120503630.6U Active CN215568691U (en) | 2021-03-10 | 2021-03-10 | Low temperature resistant stainless steel flange easy to assemble |
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| Country | Link |
|---|---|
| CN (1) | CN215568691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738568A (en) * | 2022-03-24 | 2022-07-12 | 安徽士必达液压器材有限公司 | Safety valve and pipeline connecting device |
-
2021
- 2021-03-10 CN CN202120503630.6U patent/CN215568691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738568A (en) * | 2022-03-24 | 2022-07-12 | 安徽士必达液压器材有限公司 | Safety valve and pipeline connecting device |
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