CN222597066U - High-pressure flange with plugboard - Google Patents
High-pressure flange with plugboard Download PDFInfo
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- CN222597066U CN222597066U CN202421462142.5U CN202421462142U CN222597066U CN 222597066 U CN222597066 U CN 222597066U CN 202421462142 U CN202421462142 U CN 202421462142U CN 222597066 U CN222597066 U CN 222597066U
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Abstract
The utility model discloses a high-pressure flange with a plugboard, which comprises a pair of flange connection pipes, a pair of flange plates, a flange plugboard, a plurality of connecting bolts and fastening nuts thereof, wherein the flange plates are of a concave structure, a central through hole is arranged in the center of the flange plates, the inner stepped surface of each flange plate is matched with the outer stepped surface of each flange connection pipe, each flange connection pipe is arranged in the corresponding flange plate in a penetrating manner, the flange plugboard is of an annular structure, the flange plugboard is arranged between the sealing surfaces of the two flange connection pipes, sealing is respectively arranged between the two end surfaces of each flange plugboard and the sealing surfaces of the corresponding flange connection pipes, and the connecting bolts sequentially penetrate through one side of the flange plate, the flange plugboard and the flange plate on the other side and are connected with the fastening nuts through threads, so that the flange connection pipes and the flange plugboard are connected into a sealing whole. The utility model can realize the quick connection between the ultrahigh pressure pipelines, can effectively solve the two problems of good leakage of the flange of the high pressure pipeline and difficult replacement of the seal, and has the advantages of strong universality, wide application range, simple manufacture and low cost.
Description
Technical Field
The utility model belongs to the technical field of high-pressure flanges, and particularly relates to a high-pressure flange with an inserting plate.
Background
High pressure flanges are very important connections in oil press equipment, and the connection between pipes plays an important role and value. In the past, the traditional high-pressure flange is characterized in that a groove is processed on the end face of one flange connecting pipe, and a common O-shaped sealing ring is used for sealing, or a red copper gasket is used between two flange connecting pipes, and sealing is realized through local extrusion deformation of the red copper gasket. The traditional flange sealing type has poor reliability and low bearing pressure, the problems of running, overflowing, dripping and leaking frequently occur at the flange joint in the running process of equipment, accidents frequently occur, a large amount of time is needed for maintenance and maintenance, meanwhile, the red copper gasket cannot be reused after plastic deformation, the red copper gasket needs to be prepared again, the normal production of the equipment needs to be interrupted after the primary sealing is replaced, the time and the labor are wasted, and the economic loss is brought to enterprises.
Therefore, based on these problems, it is needed to develop a high-pressure flange which has simple structure, convenient sealing, disassembly and maintenance, high sealing performance, safety and reliability and is suitable for high-pressure pipeline connection, and has important practical significance.
Disclosure of utility model
The utility model aims to solve the problems in the prior art, and provides the high-pressure flange with the plugboard, which has the advantages of simple structure, convenient sealing, dismounting and maintenance, high sealing performance, safety, reliability and suitability for high-pressure pipeline connection, solves the problems of leakage and difficult sealing, dismounting and mounting at the flange connection position of the high-pressure pipeline, and has the advantages of high universality, wide application range and simple manufacture.
The utility model discloses a high-pressure flange with a plugboard, which comprises a pair of flange connection pipes, a pair of flange plates, a flange plugboard, a plurality of connecting bolts and fastening nuts thereof, wherein the flange plates are of a concave structure, a central through hole is formed in the center of each flange plate, an inner step surface of each flange plate is matched with an outer step surface of each flange connection pipe, each flange connection pipe is arranged in the central through hole of the corresponding flange plate in a penetrating manner, each flange plugboard is of an annular structure, a plurality of first bolt mounting holes are formed in each flange plate, a plurality of second bolt mounting holes are formed in each flange plugboard in a corresponding manner, each flange plugboard is arranged between sealing surfaces of two flange connection pipes, sealing is respectively arranged between two end surfaces of each flange plugboard and the corresponding flange connection pipe sealing surfaces, and the connecting bolts sequentially penetrate through the bolt mounting holes of one flange plate, the flange plugboard and the flange plate on the other side and are connected with the fastening nuts in a threaded manner, and the fastening nuts are screwed to enable the flange connection pipes and the flange plugboard to be connected into a sealing whole.
In the above technical solution, preferably, annular grooves are respectively machined on two end surfaces of the flange insert plate at positions close to the inner holes of the flange insert plate, and the seal is placed in the grooves.
In the above technical solution, it is further preferable that the inner diameter of the groove is the same as the inner diameter of the seal, and the outer diameter of the groove is larger than the outer diameter of the seal.
In the above technical solution, it is further preferable that the outer diameter of the groove is 1.5-2 mm larger than the outer diameter of the seal.
In the above technical scheme, preferably, the seal is a rectangular seal, and the height of the seal is 1-1.5 mm greater than the depth of the groove.
In the above technical solution, preferably, the diameter of the outer circle of the flange insert plate is the same as the diameter of the outer circle of the flange plate.
In the above technical solution, preferably, the inner diameter of the flange insert plate is the same as the inner diameter of the flange adapter.
In the above technical solution, preferably, a plane is machined on the circumference of the flange insert plate, and an internal threaded hole for hoisting the flange insert plate is formed in the plane.
In the above technical solution, preferably, the plurality of bolt mounting holes are uniformly distributed on the flange.
The utility model has the advantages and positive effects that:
1. The high-pressure flange with the plugboard can realize the quick connection between high-flow ultrahigh-pressure pipelines of an oil press. The flange plate, the flange connecting pipe and the flange inserting plate are independent parts, are convenient to process and install, can effectively solve two problems of leakage and difficult seal replacement of the high-pressure pipeline flange, and meanwhile, the high-pressure flange is high in universality, wide in application range, simple to manufacture and low in cost.
2. The high-pressure flange with the plugboard is provided with the sealing groove which is arranged on the single flange plugboard, and the high-pressure flange can be replaced without completely disassembling the pipeline and the flange when the high-pressure flange is replaced and sealed, so that the high-pressure flange is simple to install and high in efficiency.
3. The high-pressure flange with the plugboard adopts rectangular sealing, the contact area between the rectangular sealing and the end face of the flange connecting pipe is large, the sealing effect is good, and meanwhile, the sealing service life is long, and the sealing performance is stable.
Drawings
The technical solution of the embodiments of the present application will be described in further detail below with reference to the accompanying drawings, but it should be understood that these drawings are designed for the purpose of illustration only and thus are not limiting of the scope of the present application. Moreover, unless specifically indicated otherwise, the drawings are intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic view of the installation of a high pressure flange with insert plate of the present utility model;
FIG. 2 is a schematic view of the flange insert plate of the present utility model;
Fig. 3 is a front view of the flange insert plate of the present utility model.
In the figure, 1, a flange connection pipe, 2, a flange plate, 2-1, a first bolt mounting hole, 3, sealing, 4, a flange plugboard, 4-1, a groove, 4-2, a second bolt mounting hole, 4-3, an internal threaded hole, 5, a connecting bolt and 6, and a fastening nut.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the following examples are illustrated and described in detail with reference to the accompanying drawings:
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," "an," "the," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "coupled," "connected," "mounted," and "joined" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or communicate between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, an embodiment of the present utility model provides a high-pressure flange with a plug board, which includes a pair of flange connection pipes, a pair of flange plates, a flange plug board, a plurality of connection bolts and fastening nuts thereof. The flange plate is of a concave structure, a central through hole is formed in the center of the flange plate, the inner stepped surface of the flange plate is matched with the outer stepped surface of the flange connecting pipe, each flange connecting pipe is installed in the central through hole of the corresponding flange plate in a penetrating mode, the flange inserting plate is of an annular structure, a plurality of first bolt installation holes are formed in the flange plate, a plurality of second bolt installation holes are formed in the flange inserting plate in a corresponding mode, the flange inserting plate is arranged between two flange connecting pipe sealing surfaces, sealing is respectively arranged between two end faces of the flange inserting plate and the corresponding flange connecting pipe sealing surfaces, the connecting bolts preferably adopt hexagon bolts, and are connected with fastening nuts in a threaded mode after penetrating through the bolt installation holes of the flange plate on one side, the flange inserting plate and the flange plate on the other side in sequence, and the fastening nuts are screwed down to enable the flange connecting pipe and the flange inserting plate to be connected into a sealing whole.
As a preferred embodiment, annular grooves are respectively machined on the two end faces of the flange plugboard at positions close to the inner holes of the flange plugboard, and the seals are placed in the grooves. The two end surfaces of the flange plugboard are provided with the sealing grooves, after the sealing ageing or damage occurs in the use process of the high-pressure flange, the flange plugboard is only required to be independently pulled out for replacing the sealing, the flange is not required to be disassembled, the flange sealing replacement is simple and convenient, and the two problems of leakage and difficult sealing replacement of the flange of the high-pressure pipeline can be effectively solved.
As a preferred embodiment, the inner diameter of the groove is the same as the inner diameter of the seal, and the outer diameter of the groove is larger than the outer diameter of the seal, so that the seal is convenient to install and a retraction space is reserved after the seal is extruded. The outer diameter of the groove is preferably 1.5-2 mm larger than the outer diameter of the seal.
As a preferred embodiment, the seal is a rectangular seal, the height of the seal is 1-1.5mm greater than the depth of the groove, and the preferred embodiment is 1.5mm greater than the depth of the groove. The seal adopts an inlet rectangular seal, the contact area between the rectangular seal and the end face of the flange connecting pipe is large, the sealing performance is good, the sealing impact resistance is strong, the sealing service life is long, and the safety and the reliability are realized. Meanwhile, the elastic deformation of 1-1.5mm enables the sealing effect to be better.
As the preferred embodiment, the diameter of the outer circle of the flange insert plate is the same as the diameter of the outer circle of the flange plate, so that the flange insert plate is convenient to install and align, and the flange insert plate is convenient to construct and align and install.
As the preferable embodiment, the inner diameter of the flange inserting plate is the same as the inner diameter of the flange connecting pipe, so that the hydraulic fluid resistance in the pipe diameter can be reduced, and the pressure loss is avoided.
As the preferred embodiment, the circumference of the flange flashboard is provided with a plane, and the plane is provided with an internal threaded hole for hoisting the flange flashboard, so that the flange flashboard is convenient to detach and install, the working efficiency is high, and the time and the labor are saved.
As an optimal embodiment, the first bolt mounting holes are uniformly distributed on the flange plate, the second bolt mounting holes on the flange inserting plate are identical to the first bolt mounting holes on the flange plate in number and size, and the tightness and stability of the whole flange are guaranteed.
Two flange take over and ring flange each, during the installation, two flange take over wear to adorn respectively in the central through-hole of corresponding ring flange, and two rectangle seals are placed respectively in the annular slot on flange picture peg both ends face, place the flange picture peg between two flange take over sealed faces again, after hexagonal bolt passes one side ring flange, flange picture peg, the corresponding bolt mounting hole of opposite side ring flange in proper order, with fastening nut threaded connection, screw up fastening nut, the flange takes over and is connected into a sealed whole with the flange picture peg.
In the high-pressure flange with the plugboard, the flange connecting pipe, the flange plate and the flange plugboard are independent parts, so that the processing and the installation are convenient. The high-pressure flange has the advantages of being high in universality, wide in application range, simple to manufacture and low in cost. The high-pressure flange bears about 40-50MPa, runs stably and reliably, and has strong shock resistance and vibration energy.
The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather is merely illustrative of the present utility model, and all such modifications, equivalents and variations as may be made in accordance with the principles of the present utility model are intended to fall within the scope of the present utility model.
Claims (9)
1. The high-pressure flange with the plugboard is characterized by comprising a pair of flange connection pipes, a pair of flange plates, a flange plugboard, a plurality of connecting bolts and fastening nuts thereof, wherein the flange plates are of a concave structure, a central through hole is formed in the center of each flange plate, an inner stepped surface of each flange plate is matched with an outer stepped surface of each flange connection pipe, each flange connection pipe is installed in the central through hole of the corresponding flange plate in a penetrating mode, the flange plugboard is of an annular structure, a plurality of first bolt installation holes are formed in the flange plates, a plurality of second bolt installation holes are formed in the flange plugboard in a corresponding mode, the flange plugboard is arranged between sealing surfaces of the two flange connection pipes, sealing is respectively arranged between two end surfaces of the flange plugboard and the corresponding flange connection pipe sealing surfaces, the connecting bolts sequentially penetrate through the bolt installation holes of one flange plate, the flange plugboard and the flange plate on the other side and are in threaded connection with the fastening nuts, and the fastening nuts are screwed to enable the flange connection pipes and the flange plugboard to be connected into a whole in a sealing mode.
2. The high-pressure flange with the plugboard according to claim 1, wherein annular grooves are respectively machined on two end faces of the plugboard of the flange at positions close to inner holes of the plugboard of the flange, and the sealing is placed in the grooves.
3. The high-pressure flange with the insert plate of claim 2, wherein the inner diameter of the groove is the same as the inner diameter of the seal, and the outer diameter of the groove is larger than the outer diameter of the seal.
4. The high-pressure flange with the insert plate of claim 3, wherein the outer diameter of the groove is 1.5-2 mm larger than the outer diameter of the seal.
5. The high-pressure flange with the insert plate of claim 2, wherein the seal is a rectangular seal, and the height of the seal is 1-1.5 mm greater than the depth of the groove.
6. The high-pressure flange with the inserting plate according to claim 1, wherein the diameter of the outer circle of the flange inserting plate is the same as the diameter of the outer circle of the flange plate.
7. The high-pressure flange with the insert plate according to claim 1, wherein the inner diameter of the flange insert plate is the same as the inner diameter of the flange adapter.
8. The high-pressure flange with the plugboard according to claim 1, wherein a plane is machined on the circumference of the flange plugboard, and an internal threaded hole for hoisting the flange plugboard is formed in the plane.
9. The high-pressure flange with the insert plate according to claim 1, wherein a plurality of the bolt mounting holes are uniformly distributed on the flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421462142.5U CN222597066U (en) | 2024-06-25 | 2024-06-25 | High-pressure flange with plugboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421462142.5U CN222597066U (en) | 2024-06-25 | 2024-06-25 | High-pressure flange with plugboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222597066U true CN222597066U (en) | 2025-03-11 |
Family
ID=94856597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421462142.5U Active CN222597066U (en) | 2024-06-25 | 2024-06-25 | High-pressure flange with plugboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222597066U (en) |
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2024
- 2024-06-25 CN CN202421462142.5U patent/CN222597066U/en active Active
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