Sealing flange with pressure check ring

Abstract

The utility model provides a sealing flange with a pressure check ring, and belongs to the technical field of flanges. Comprising a flange plate, one side of the flange plate is fixedly connected with a connecting pipe capable of being connected with an external pipeline, the center of the flange plate is provided with a circulation opening which is communicated with the connecting pipe and can allow fluid to pass through, and the side, away from the connecting pipe, of the flange plate is provided with a mounting groove; the installation groove is located in the outer side of the circulation opening and communicates with the circulation opening, a plurality of limiting clamping grooves are further formed in the side, provided with the installation groove, of the flange plate, and the limiting clamping grooves are distributed in the flange plate in a circumferential ring shape at equal intervals. According to the pressure check ring, the limiting pipes and the limiting clamping grooves are arranged, the stress area of the pressure check ring body is increased, transverse and longitudinal displacement and parallel rotation displacement cannot be generated after the flange plates are closed, the two flange plates have the higher deformation displacement resisting effect after being closed and assembled, the two flange plates are not prone to being damaged by external force, and safety is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field, especially a sealing flange with pressure baffle ring. BACKGROUND

[0002] When connecting pipeline, valve, pump and other equipment, flange will be needed, it can provide a reliable connection mode, in order to facilitate the assembly, disassembly and maintenance of pipeline system, mainly used to ensure the sealing of the connection, prevent fluid leakage, plays a vital role in the industrial pipeline system, ensures the safe and stable operation of the system.

[0003] In order to prevent the sealing assembly from deforming or damaging due to excessive pressure under high pressure environment, resulting in sealing performance decline or even failure, pressure baffle ring is used to strengthen the pressure resistance and ensure the sealing effect, the existing technology such as CN218152883U, by setting the cooperation of the clamping block and the clamping groove, the two flange plates have high anti deformation displacement effect after closing assembly, but the clamping block is small, easy to be damaged by external force, and can only support and fix internally, the stress direction is limited, therefore, the sealing flange with pressure baffle ring is provided to meet the needs. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a sealing flange with pressure baffle ring to solve the problem that the existing technology such as CN218152883U, by setting the cooperation of the clamping block and the clamping groove, the two flange plates have high anti deformation displacement effect after closing assembly, but the clamping block is small, easy to be damaged by external force, and can only support and fix internally, the stress direction is limited.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A sealing flange with pressure baffle ring, including flange plate, the side of the flange plate is fixedly connected with the connecting pipe that can be connected with the pipeline outside, the center position of the flange plate is equipped with the flow through port that can be communicated with the connecting pipe and can be used for fluid passing, the side of the flange plate away from the connecting pipe is equipped with the installation groove, the installation groove is located at the outside of the flow through port and is communicated with the flow through port, the side of the flange plate equipped with the installation groove is also equipped with a plurality of limiting clamping grooves, the limiting clamping grooves are distributed on the flange plate in the form of circle, the inside of the installation groove can be installed with pressure baffle ring body, a plurality of limiting pipes that are same in number and are suitable in shape with the limiting clamping groove are fixedly connected on the outer wall of the pressure baffle ring body, the limiting pipe is clamped with the limiting clamping groove.

[0007] Preferably, the inside of the limiting pipe is screw connected with the screw rod.

[0008] Preferably, a fixed clamping block is fixedly connected to one side of the screw rod away from the limiting tube.

[0009] Preferably, the fixed clamping block is arc-shaped and can be attached to the outer wall of the flange plate.

[0010] Preferably, a sealing washer is arranged on the outer wall of the pressure baffle body and abuts against the inner wall of the mounting groove, and the limiting tube penetrates the sealing washer.

[0011] Preferably, a filter screen is fixedly connected to the inside of the pressure baffle body and can filter the fluid passing through.

[0012] Compared with the prior art, the utility model has at least the following beneficial effects:

[0013] In the above scheme, when two flange plates need to be closed and assembled, the pressure baffle body can be placed in the inside of the mounting groove to install the pressure baffle body, the limiting tube is aligned with the limiting clamping groove on the flange plate when the pressure baffle body is installed, the limiting tube is placed in the inside of the limiting clamping groove, and then the two flange plates are aligned and installed and fixedly connected by bolts, which has the advantage that the contact between the limiting tube and the limiting clamping groove increases the stress area of the pressure baffle body, so that the flange plates cannot produce horizontal and vertical displacement and parallel rotation displacement after being closed, the two flange plates have higher anti-deformation displacement effect after being closed and assembled, and are not easy to be damaged by external force, thereby enhancing safety, and the sealing washer can effectively prevent the fluid passing through the inside of the connecting pipe from flowing out of the flange plate through the gap of the mounting groove.

[0014] By arranging the screw rod and the fixed clamping block, when the pressure baffle body is installed, the screw rod is aligned with the limiting tube, the screw rod and the limiting tube are threadedly connected together by rotating the fixed clamping block until the fixed clamping block abuts against the outer wall of the flange plate, which has the advantage that the fixed clamping block abuts against the outer wall of the flange plate to further fix the flange plate, and when the flange plate wants to expand outward, the fixed clamping block can limit the flange plate, so that the flange plate is supported inside and outside, preventing the fluid passing through the inside of the connecting pipe from spouting outward, and the fixed clamping block can be adjusted by rotating the screw rod according to the size of different flange plates, so that the fixed clamping block can be adapted to different sizes of flange plates, thereby increasing the adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to implement and use the present disclosure.

[0016] Fig. 1It is a sealed flange with pressure blocking ring three-dimensional structure schematic diagram;

[0017] Fig. 2 It is a flange three-dimensional structure schematic diagram;

[0018] Fig. 3 It is a pressure blocking ring three-dimensional structure schematic diagram.

[0019] [Reference signs]

[0020] 1, flange; 2, connecting pipe; 3, mounting groove; 4, limiting slot; 5, pressure blocking ring body; 6, limiting pipe; 7, screw rod; 8, fixed clamping block; 9, sealing washer; 10, filter screen; 11, flow-through port.

[0021] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, according to the specific need, the ordinary skilled in the art can adjust or modify these devices and environment, and the adjustment or modification still includes in the range of the appended claims. DETAILED DESCRIPTION

[0022] A sealed flange with pressure blocking ring provided by the utility model is described in detail below in combination with the drawings and specific embodiments. It is explained here that in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be adopted by the skilled in the art to implement some known technologies; and the drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0023] As Figs. 1-3The utility model discloses a sealed flange with pressure baffle, including flange plate 1, one side fixedly connected with the connecting pipe 2 of flange plate 1 can be connected with the pipeline of outside, the center position of flange plate 1 is equipped with the through -flow port 11 of communicating with connecting pipe 2 can be supplied fluid through, the side away from connecting pipe 2 of flange plate 1 is equipped with installation groove 3, and installation groove 3 is located the outside of through -flow port 11 and communicates with through -flow port 11, and the side of flange plate 1 and being equipped with a plurality of limiting slot 4 with installation groove 3 still is equipped, and limiting slot 4 is on flange plate 1 and is distributed in circle shape equidistance, and the inside of installation groove 3 can be installed with pressure baffle body 5, and the outer wall of pressure baffle body 5 is fixedly connected with a plurality of limiting pipe 6 with the same number and shape adaptation with limiting slot 4, and limiting pipe 6 is connected with limiting slot 4, and the inside screw thread connection of limiting pipe 6 has screw rod 7, and the side fixedly connected with fixed clamping block 8 of screw rod 7 away from limiting pipe 6, and the shape of fixed clamping block 8 is arc shape that can adhere to the outer wall of flange plate 1, and the outer wall of pressure baffle body 5 is provided with sealing washer 9 that resists with the inner wall of installation groove 3, and limiting pipe 6 penetrates sealing washer 9, and the inside fixedly connected with filter screen 10 of pressure baffle body 5 can filter the fluid of passing.

[0024] By setting installation groove 3, when needing to close two flange plates 1 assembly, can place pressure baffle body 5 in the inside of installation groove 3, install pressure baffle body 5, by setting limiting pipe 6 and limiting slot 4, when installing pressure baffle body 5, make limiting pipe 6 align on limiting slot 4 on flange plate 1, place limiting pipe 6 in the inside of limiting slot 4, then install two flange plates 1 in alignment, fixedly connected together by bolt, the advantage of this is that the force area of pressure baffle body 5 is increased by the contact of limiting pipe 6 and limiting slot 4, so that flange plate 1 cannot produce horizontal and longitudinal displacement and parallel rotation displacement after closing, make two flange plates 1 have higher anti-deformation displacement effect after closing assembly, and not easy to be damaged by external force, strengthen safety, by setting sealing washer 9, can effectively prevent the fluid of passing through the gap of installation groove 3 from the inside of connecting pipe 2 and flow out of flange plate 1.

[0025] By setting screw rod 7 and fixed clamping block 8, after installing pressure baffle body 5, align screw rod 7 with limiting pipe 6, screw rod 7 and limiting pipe 6 are screwed together by rotating fixed clamping block 8, until fixed clamping block 8 and the outer wall of flange plate 1 resist, the advantage of this is that fixed clamping block 8 and the outer wall of flange plate 1 resist after, can further fix flange plate 1, when flange plate 1 wants to expand outward, fixed clamping block 8 can limit it, so that flange plate 1 has support inside and outside, prevent the fluid from the inside of connecting pipe 2 and erupt outward, and also can adjust according to the size of different flange plate 1 by the rotation of screw rod 7, make fixed clamping block 8 and different size flange plate 1 can all adapt, increase the degree of adaptation.

[0026] The technical scheme provided by the utility model has the advantages that when two flange plates 1 need to be closed and assembled, the pressure baffle body 5 can be placed inside the mounting groove 3, the pressure baffle body 5 is installed, when the pressure baffle body 5 is installed, the limiting pipe 6 is aligned with the limiting clamping groove 4 on the flange plate 1, the limiting pipe 6 is placed inside the limiting clamping groove 4, then the two flange plates 1 are aligned and installed, and are fixed and connected together through bolts, the advantage of this is that the contact between the limiting pipe 6 and the limiting clamping groove 4 increases the stress area of the pressure baffle body 5, so that the flange plates 1 cannot produce horizontal and vertical displacement and parallel rotation displacement after being closed, the two flange plates 1 have higher anti-deformation displacement effect after being closed and assembled, and are not easy to be damaged by external force, safety is enhanced, and the sealing washer 9 is arranged, so that fluid passing through the inside of the connecting pipe 2 can be effectively prevented from flowing out of the flange plate 1 through the gap of the mounting groove 3.

[0027] The utility model discloses a flange plate assembly structure, which comprises a connecting pipe 2, a mounting groove 3 is arranged on the connecting pipe 2, a limiting pipe 6 is arranged in the mounting groove 3, a limiting clamping groove 4 is arranged on the flange plate 1, a pressure baffle body 5 is arranged in the mounting groove 3, a sealing washer 9 is arranged on the pressure baffle body 5, a screw rod 7 and a fixed clamping block 8 are arranged on the pressure baffle body 5, and the screw rod 7 is screwed with the limiting pipe 6.

[0028] The utility model discloses a flange plate assembly structure, which comprises a connecting pipe 2, a mounting groove 3 is arranged on the connecting pipe 2, a limiting pipe 6 is arranged in the mounting groove 3, a limiting clamping groove 4 is arranged on the flange plate 1, a pressure baffle body 5 is arranged in the mounting groove 3, a sealing washer 9 is arranged on the pressure baffle body 5, a screw rod 7 and a fixed clamping block 8 are arranged on the pressure baffle body 5, and the screw rod 7 is screwed with the limiting pipe 6.

[0029] The skilled in the art can understand that all or part of the steps of the above-mentioned embodiment methods can be completed by programs instructing related hardware, and the programs can be stored in computer readable storage medium, such as ROM / RAM, magnetic disc, optical disc and the like.

[0030] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. A seal flange with a pressure retaining ring, characterized in that Include: The flange plate (1), one side of the flange plate (1) is fixedly connected with the connecting pipe (2) which can be connected with the pipeline outside, the center position of the flange plate (1) is provided with the flow port (11) which can pass through the fluid and is communicated with the connecting pipe (2), the side of the flange plate (1) away from the connecting pipe (2) is provided with the installation groove (3), the installation groove (3) is located on the outside of the flow port (11) and is communicated with the flow port (11), the side of the flange plate (1) provided with the installation groove (3) is also provided with a plurality of limiting grooves (4), the limiting grooves (4) are distributed on the flange plate (1) in the form of circle, the inside of the installation groove (3) can be installed with the pressure blocking ring body (5), a plurality of limiting tubes (6) which are same in number and shape with the limiting grooves (4) are fixedly connected on the outer wall of the pressure blocking ring body (5), the limiting tube (6) is clamped with the limiting groove (4).

2. The seal flange with pressure retaining collar of claim 1, wherein, The inside of the limiting tube (6) is screw connected with the screw rod (7).

3. The seal flange with pressure retaining collar of claim 2, wherein, The side of the screw rod (7) away from the limiting tube (6) is fixedly connected with the fixed clamping block (8).

4. The seal flange with pressure retaining collar of claim 3, wherein, The shape of the fixed clamping block (8) is arc which can be attached to the outer wall of the flange plate (1).

5. The seal flange with pressure retaining collar of claim 1, wherein, The outer wall of the pressure blocking ring body (5) is provided with the sealing washer (9) which is in contact with the inner wall of the installation groove (3), the limiting tube (6) penetrates the sealing washer (9).

6. The seal flange with pressure retaining collar of claim 1, wherein, The inside of the pressure blocking ring body (5) is fixedly connected with the filter screen (10) which can filter the fluid.

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