High-sealing double-pipe crossover flange

Abstract

The utility model relates to the technical field of crossover flanges, in particular to a high-sealing double-pipe crossover flange which comprises a fixing pipe and a connecting mechanism. The connecting mechanism comprises a fixed flange plate, an adapter pipe, a connecting flange plate and a splicing assembly, the fixed flange plate is fixedly connected with the fixed pipe, the adapter pipe is detachably connected with the fixed pipe, the connecting flange plate is fixedly connected with the adapter pipe, and the splicing assembly comprises a filling block, a telescopic spring, a lower pressing plate, an inserting piece and a sealing piece; the telescopic spring is fixedly connected with the fixed flange plate, the lower pressing plate is fixedly connected with the telescopic spring, the inserting piece is detachably connected with the fixed flange plate and located on the outer side of the connecting flange plate, and the sealing piece is detachably connected with the fixed pipe and located on the outer side of the adapter pipe, so that the flange plates can be connected without bolts, and the flange plates are convenient to connect; and the mounting efficiency of the flange plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conversion flange, especially to a high sealing double pipe conversion flange. BACKGROUND

[0002] Flange, also called flange flange plate or lug. The basic meaning is that the protruding structure on the object, or the object with the protruding structure, such as flange bolt, flange shaft, etc. Since the flange structure is often used for the connection between shaft and shaft, pipe end and pipe end or device and device, therefore, the flange generally refers to a part or structure used for connection in the mechanical field, such as pipe flange, reducer flange, conversion flange connecting pipe and pipe, fixed flange plate, the flange has a hole, and the bolt makes the two flanges tightly connected, and the flange is sealed with gasket. The current conversion flange has poor sealing performance and unreasonable structure.

[0003] To solve the above problems, the prior art patent (CN213871562U) discloses a high sealing double pipe conversion flange, which comprises a connecting flange plate, a connecting pipe, a fixed flange plate, a connecting flange plate is provided with a mounting groove in the middle of one side, a mounting groove is provided with a first through hole in the bottom center, the first through hole penetrates the whole middle part of the connecting flange plate, the connecting pipe is inserted and connected in the first through hole, the connecting pipe is fixedly connected with a mounting ring at one end, the mounting ring is embedded and installed in the mounting groove, the second through hole is inserted and connected with a connecting pipe on the right side, and the connecting pipe is connected with the BT sealing ring on the left side, the connecting pipe is fixedly connected with the fixed flange plate on the right side, the fixed flange plate is provided with a connecting groove matched with the mounting ring on the left side, the utility model provides a high sealing double pipe conversion flange with simple connecting structure and strong sealing performance.

[0004] However, in the above-mentioned prior art, the flange installation needs to use multiple bolts, which will cause slow installation efficiency, and long-term use will cause bolt rust, which is not convenient for disassembly of the flange. SUMMARY

[0005] The utility model aims at providing a high sealing double pipe conversion flange, which solves the technical problems of flange installation in the prior art, which needs to use multiple bolts, which will cause slow installation efficiency, and long-term use will cause bolt rust, which is not convenient for disassembly of the flange.

[0006] To achieve the above object, the utility model discloses a high sealing double -tube conversion flange, including fixed pipe and connecting mechanism, the connecting mechanism includes fixed flange, adapter pipe, connecting flange and splicing subassembly, the fixed flange is fixedly connected with the fixed pipe, and is located the outside of fixed pipe, the adapter pipe is detachably connected with the fixed pipe, and is located the fixed flange one side adjacent to the fixed pipe, the connecting flange is fixedly connected with the adapter pipe, and is located the outside of fixed flange, the splicing subassembly includes filler block, expansion spring, lower pressure plate, insert and sealing element, the filler block is fixedly connected with the fixed flange, and is located in the fixed flange, the expansion spring is fixedly connected with the fixed flange, and is located the outside of filler block, the lower pressure plate is fixedly connected with the expansion spring, and is located the outside of expansion spring, the insert is detachably connected with the fixed flange, and is located the outside of connecting flange, the sealing element is detachably connected with the fixed pipe, and is located the outside of adapter pipe.

[0007] Among them, the insert includes connecting block and insert board, the connecting block is fixedly connected with the connecting flange, and is located the outside of connecting flange, the insert board is detachably connected with the fixed flange, and is located the outside of connecting block.

[0008] Among them, the sealing element includes sealing layer, sealing ring and sealing sleeve, the sealing layer is detachably connected with the fixed pipe, and is located the outside of adapter pipe, the sealing ring is fixedly connected with the sealing layer, and is located the outside of sealing layer, the sealing sleeve is fixedly connected with the sealing ring, and is located the outside of sealing ring.

[0009] Among them, the fixed flange has the insert slot that is adapted to the insert board, the lower pressure plate has the first inclined surface, and the insert board has the second inclined surface.

[0010] Among them, the fixed flange still has the first sliding groove that is adapted to the insert board, and the fixed flange still has the second sliding groove that is adapted to the connecting block.

[0011] The utility model discloses a high sealing double -tube conversion flange, when being used specifically, the adapter pipe inserts in the fixed pipe, the sealing element promotes the sealing of the connecting place of the adapter pipe and the fixed pipe, the connecting flange drives the insert and bears the filler block, rotates the adapter pipe, the connecting flange drives the insert and rotates, the insert presses down the lower pressure plate, the expansion spring bears the lower pressure plate, realizes the quick splicing positioning of pipeline, and this method can effectively solve the problem that the installation efficiency is slow and the bolt corrosion is inconvenient for flange dismounting caused by needing multiple bolts for flange installation. ACCURACY OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0013] Figure 1 is a structure diagram of a high-sealing double-pipe conversion flange of the present application.

[0014] Figure 2 is a structure sectional view of a high-sealing double-pipe conversion flange of the present application.

[0015] Figure 3 is an explosion view of a high-sealing double-pipe conversion flange of the present application.

[0016] Figure 4 is a local structure diagram of a high-sealing double-pipe conversion flange of the present application.

[0017] Figure 5 is a local structure sectional view of a high-sealing double-pipe conversion flange of the present application.

[0018] 101-fixed pipe, 102-fixed flange plate, 103-adapter pipe, 104-connection flange plate, 105-filling block, 106-elastic spring, 107-pressing plate, 108-connection block, 109-insertion plate, 110-sealing layer, 111-sealing ring, 112-sealing sleeve, 113-insertion groove, 114-first inclined surface, 115-second inclined surface, 116-first sliding groove, 117-second sliding groove. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be described in detail below, examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0020] Please refer to Figures 1-5 , wherein Figure 1 is a structure diagram of a high-sealing double-pipe conversion flange of the present application, Figure 2 is a structure sectional view of a high-sealing double-pipe conversion flange of the present application, Figure 3 is an explosion view of a high-sealing double-pipe conversion flange of the present application, Figure 4 is a local structure diagram of a high-sealing double-pipe conversion flange of the present application, Figure 5 is a local structure sectional view of a high-sealing double-pipe conversion flange of the present application.

[0021] The utility model provides a kind of high sealing double pipe conversion flange, including fixed pipe 101 and connecting mechanism, the connecting mechanism includes fixed flange plate 102, adapter pipe 103, connecting flange plate 104 and splicing assembly, the splicing assembly includes filler block 105, telescopic spring 106, lower pressing plate 107, insert and sealing element, the insert includes connecting block 108 and insert plate 109, the sealing element includes sealing layer 110, sealing ring 111 and sealing sleeve 112, the foregoing scheme solves the problem that flange installation needs multiple bolts, it can cause installation efficiency slowly, and long time use can cause bolt corrosion, inconvenient for flange disassembly.

[0022] For this specific embodiment, the fixed flange plate 102 is fixedly connected with the fixed pipe 101 and located outside the fixed pipe 101, the adapter pipe 103 is detachably connected with the fixed pipe 101 and located on the side of the fixed pipe 101 adjacent to the fixed flange plate 102, the connecting flange plate 104 is fixedly connected with the adapter pipe 103 and located outside the fixed flange plate 102, the splicing assembly includes a filler block 105, a telescopic spring 106, a lower pressing plate 107, an insert, and a sealing element, the filler block 105 is fixedly connected with the fixed flange plate 102 and located inside the fixed flange plate 102, the telescopic spring 106 is fixedly connected with the fixed flange plate 102 and located outside the filler block 105, the lower pressing plate 107 is fixedly connected with the telescopic spring 106 and located outside the telescopic spring 106, the insert is detachably connected with the fixed flange plate 102 and located outside the connecting flange plate 104, the sealing element is detachably connected with the fixed pipe 101 and located outside the adapter pipe 103, the adapter pipe 103 is inserted into the fixed pipe 101, the sealing element improves the sealing performance at the connection between the adapter pipe 103 and the fixed pipe 101, the connecting flange plate 104 drives the insert to abut against the filler block 105, the adapter pipe 103 is rotated, the connecting flange plate 104 drives the insert to rotate, the insert presses down the lower pressing plate 107, the telescopic spring 106 abuts against the lower pressing plate 107, and the quick splicing and positioning of the pipeline are realized. This method can effectively solve the problems of slow installation efficiency caused by the use of multiple bolts for flange installation and inconvenient flange disassembly due to bolt corrosion.

[0023] Wherein, the connecting block 108 is fixedly connected with the connecting flange plate 104 and located outside the connecting flange plate 104, the insert plate 109 is detachably connected with the fixed flange plate 102 and located outside the connecting block 108, the connecting block 108 pushes the insert plate 109 to insert into the fixed flange plate 102, and the insert plate 109 abuts against the filler block 105.

[0024] Secondly, the sealing layer 110 is detachably connected with the fixed pipe 101 and located outside the adapter pipe 103, the sealing ring 111 is fixedly connected with the sealing layer 110 and located outside the sealing layer 110, the sealing sleeve 112 is fixedly connected with the sealing ring 111 and located outside the sealing ring 111, the sealing layer 110 makes the connection between the adapter pipe 103 and the fixed pipe 101 more close, the sealing ring 111 improves the sealing performance at the connection gap, and the sealing sleeve 112 further improves the sealing performance.

[0025] Meanwhile, the fixed flange plate 102 is provided with an insertion groove 113 matched with the insertion plate 109, the pressing plate 107 is provided with a first inclined surface 114, the insertion plate 109 is provided with a second inclined surface 115, the connection flange plate 104 drives the insertion plate 109 to be inserted into the fixed flange plate 102 through the insertion groove 113, and the second inclined surface 115 of the insertion plate 109 and the first inclined surface 114 of the pressing plate 107 are matched with each other, so that the insertion plate 109 drives the pressing plate 107 to press the telescopic spring 106.

[0026] In addition, the fixed flange plate 102 is further provided with a first sliding groove 116 matched with the insertion plate 109, and the fixed flange plate 102 is further provided with a second sliding groove 117 matched with the connection block 108, the connection flange plate 104 drives the insertion plate 109 to slide in the first sliding groove 116 and simultaneously drives the connection block 108 to slide in the second sliding groove 117.

[0027] The high-sealing double-pipe conversion flange of the embodiment is used by setting the fixed flange plate 102, the adapter pipe 103, the connecting flange plate 104 and the splicing assembly, when used specifically, the adapter pipe 103 is inserted into the fixed pipe 101, the sealing layer 110 makes the connection of the adapter pipe 103 and the fixed pipe 101 more closely, the connecting flange plate 104 pushes the insertion plate 109 to be inserted into the insertion groove 113 of the fixed flange plate 102, the insertion plate 109 abuts against the filling block 105, the adapter pipe 103 is rotated, the connecting flange plate 104 drives the insertion plate 109 to slide in the first sliding groove 116 and simultaneously drives the connecting block 108 to slide in the second sliding groove 117, the second inclined surface 115 of the insertion plate 109 and the first inclined surface 114 of the pressing plate 107 are matched with each other, the insertion plate 109 pushes the pressing plate 107 to press the telescopic spring 106, and the telescopic spring 106 is retracted to make the pressing plate 107 continuously abut against the insertion plate 109, the rapid splicing and positioning of the pipeline are realized, the flange plate can be connected without using bolts, the flange plate is connected conveniently, and the installation efficiency of the flange plate is improved.

[0028] The above disclosed is only a preferred embodiment of the utility model, of course, cannot with this to limit the utility model right scope, the person skilled in the art can understand that the whole or part processes of the above embodiment are realized, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1.A high-sealing double-pipe conversion flange, comprising a fixed pipe, characterized in that, it further comprises a connecting mechanism; the connecting mechanism comprises a fixed flange plate, a conversion pipe, a connecting flange plate and a splicing assembly, the fixed flange plate is fixedly connected with the fixed pipe and located outside the fixed pipe, the conversion pipe is detachably connected with the fixed pipe and located on one side of the fixed pipe adjacent to the fixed flange plate, the connecting flange plate is fixedly connected with the conversion pipe and located outside the fixed flange plate, the splicing assembly comprises a filler block, an elastic spring, a pressing plate, an insert and a sealing element, the filler block is fixedly connected with the fixed flange plate and located inside the fixed flange plate, the elastic spring is fixedly connected with the fixed flange plate and located outside the filler block, the pressing plate is fixedly connected with the elastic spring and located outside the elastic spring, the insert is detachably connected with the fixed flange plate and located outside the connecting flange plate, and the sealing element is detachably connected with the fixed pipe and located outside the conversion pipe. 2.The high-sealing double-pipe conversion flange according to claim 1, characterized in that, the insert comprises a connecting block and an insert plate, the connecting block is fixedly connected with the connecting flange plate and located outside the connecting flange plate, and the insert plate is detachably connected with the fixed flange plate and located outside the connecting block. 3.The high-sealing double-pipe conversion flange according to claim 2, characterized in that, the sealing element comprises a sealing layer, a sealing ring and a sealing sleeve, the sealing layer is detachably connected with the fixed pipe and located outside the conversion pipe, the sealing ring is fixedly connected with the sealing layer and located outside the sealing layer, and the sealing sleeve is fixedly connected with the sealing ring and located outside the sealing ring. 4.The high-sealing double-pipe conversion flange according to claim 3, characterized in that, the fixed flange plate has an insert groove matched with the insert plate, the pressing plate has a first inclined surface, and the insert plate has a second inclined surface. 5.The high-sealing double-pipe conversion flange according to claim 4, characterized in that, the fixed flange plate further has a first sliding groove matched with the insert plate, and the fixed flange plate further has a second sliding groove matched with the connecting block.

Images