CN216923564U

CN216923564U - Fixed flange type joint

Info

Publication number: CN216923564U
Application number: CN202220178959.4U
Authority: CN
Inventors: 潘仙可; 王荣; 潘仙标
Original assignee: Wenzhou Yongbo Fluid Equipment Co ltd
Current assignee: Wenzhou Yongbo Fluid Equipment Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-08
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a fixed flange type joint which adopts the technical scheme that the fixed flange type joint comprises a connecting pipe, wherein a pipe head is arranged at one end of the connecting pipe, a flange plate is connected to one side, facing the connecting pipe, of the pipe head, and a plurality of bolt holes are circumferentially distributed in the flange plate; the flange plate is also provided with a sealing mechanism which is annular and coaxial with the flange plate, the sealing mechanism comprises a semi-circular arc-shaped plugboard and a slot, the plugboard and the slot are positioned between the pipe head and the bolt hole, and one end of the plugboard, which is far away from the flange plate, is provided with a plug which is arranged in a conical shape; a sealing block is arranged in the slot, and a tapered groove matched with one end of the plug is formed in one side, facing the opening of the slot, of the sealing block; the inserting plate and the inserting groove arranged on the flange plate can be correspondingly inserted when the two connectors are connected with each other, so that a gap at the joint of the flange plate is sealed; the plug can cooperate with the conical groove, and the plug can let sealed piece deformation through the extrusion conical groove to with slot inner wall looks butt, make sealed effect better.

Description

Fixed flange type joint

Technical Field

The utility model relates to the technical field of flange joints, in particular to a fixed flange type joint.

Background

The flange joint is an appliance applied to flange sealing, the range of the flange joint is wide, the flange rubber joint, the flange expansion joint, the flange force transmission joint, the flange hose joint and the like are collectively called as the flange joint, the flange joint is connected by a flange plate, and the flange joint is made of various materials; the existing joint has the defects that a gap exists in the connection between two flange plates in the using process, the two flange plates cannot be completely sealed, leakage can be caused, and the connecting effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a fixed flange type joint capable of reducing the occurrence of a gap and improving the sealing effect when two flanges are connected.

In order to achieve the purpose, the utility model adopts the technical scheme that: a fixed flange type joint comprises a connecting pipe and is characterized in that a pipe head is arranged at one end of the connecting pipe, a flange plate is fixedly connected to one side, facing the connecting pipe, of the pipe head, and a plurality of bolt holes with the connecting pipe as an axis are circumferentially distributed in the flange plate; the flange plate is also provided with a sealing mechanism which is annular and coaxial with the flange plate, the sealing mechanism comprises a semi-circular arc-shaped plugboard and a slot, the plugboard and the slot are positioned between the pipe head and the bolt hole, and one end of the plugboard, which is far away from the flange plate, is a plug which is arranged in a conical shape; a sealing block is arranged in the slot, and a conical groove matched with one end of the plug is formed in one side, facing the opening of the slot, of the sealing block.

The utility model is further provided that one side of the pipe head, which is far away from the flange plate, is provided with an annular groove, and a sealing ring is arranged in the annular groove.

The utility model is further provided that two ends of the inserting plate are provided with matched sealing holes, and sealing strips are arranged in the sealing holes.

The utility model is further provided with a convex ring arranged on the peripheral side of the connecting pipe, and a sleeve pipe which is coaxial with the connecting pipe is arranged on one side of the flange plate facing the connecting pipe.

The utility model is further provided that the tube head is smaller than the flange and protrudes out of the end face of the flange, and the tube head is used for abutting when the flange is connected through bolts.

In conclusion, the utility model has the beneficial effects that:

1. sealing mechanism can seal the gap between two ring flanges, and when two joints link to each other, picture peg and slot on two ring flanges are corresponding for the picture peg is inserted in the slot, and the plug of picture peg front end is the toper, can extrude the sealed piece in the slot, thereby the inner wall of slot is hugged closely to the conical groove on the sealed piece can be deformed under the extrusion of plug, thereby sealed gap between two ring flanges has improved the sealed effect when connecting.

2. The sealing strips arranged at the two ends of the inserting plate are integrally arranged, and the two inserting plates can be connected through the sealing holes, so that a gap between the inserting plates is sealed, the sealing effect of the joint is further improved, and leakage is avoided; the sealing ring arranged on one side of the tube head can play a role of one-time sealing when the two connectors are connected, and the sealing performance is greatly improved.

3. The arrangement of the convex ring on the connecting pipe plays a role in clamping the hose, so that the workers can connect the pipes more conveniently.

Drawings

Fig. 1 is a sectional configuration view of the present embodiment.

Fig. 2 is a connection diagram of the flange plate of the present embodiment.

Fig. 3 is an enlarged view of the connection between the board and the socket of the present embodiment.

Fig. 4 is a sectional view of the joint connection of the present embodiment.

Fig. 5 is an enlarged view of the sealing strip and the sealing hole of the present embodiment.

Reference numerals: 1-connecting pipe; 101-a convex ring; 102-a sleeve; 2-a tube head; 3-a flange plate; 4-bolt holes; 5-a sealing mechanism; 501, inserting a board; 502-slot; 503-a plug; 504-a sealing block; 505-a tapered slot; 6-an annular groove; 7-a sealing ring; 8-sealing the hole; 9-sealing strip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, the embodiment discloses a fixed flange type joint, which includes a connecting pipe 1, wherein a pipe head 2 is arranged at one end of the connecting pipe 1, a flange 3 is fixedly connected to one side of the pipe head 2 facing the connecting pipe 1, and a plurality of bolt holes 4 using the connecting pipe 1 as an axis are circumferentially distributed on the flange 3; the flange plate 3 is also provided with a sealing mechanism 5 which is annular and coaxial with the flange plate 3, the sealing mechanism 5 comprises a semi-arc-shaped inserting plate 501 and a slot 502, the inserting plate 501 and the slot 502 are respectively arranged at one side of the tube head 2, and the inserting plate 501 is provided with a plug 503 which is arranged at one end far away from the flange plate 3 and is conical; a sealing block 504 is arranged in the slot 502, and a tapered groove 505 matched with one end of the plug 503 is formed in one side, facing the opening of the slot 502, of the sealing block 504;

through the cooperation of slot 502 and picture peg 501, when two connect interconnect, picture peg 501 on the ring flange 3 is inserted in the slot 502 on another ring flange 3, when two ring flanges 3 realize bolted connection through bolt hole 4, in the in-process of bolt tightening, picture peg 501 can extrude each other with the sealed piece 504 in the slot 502, plug 503 is mutually supported with the bell jar 505 on the sealed piece 504, plug 503 extrudes bell jar 505, thereby make bell jar 505 deformation let sealed piece 504 and slot 502 laminate each other, wrap up plug 503 simultaneously, thereby the gap that produces when connecting ring flange 3 has sealed, sealing effect when having improved the connection.

As shown in fig. 1, an annular groove 6 is arranged on one side of the pipe head 2 away from the flange plate 3, and a sealing ring 7 is arranged in the annular groove 6; 2 diameters of tube head are less than ring flange 3 and the terminal surface setting of protruding ring flange 3, tube head 2 is used for 3 bolted connection looks butt of ring flange.

The ring channel 6 sets up in the opening week side of connecting pipe 1, can be when two ring flanges 3 interconnect, two convex tube heads 2 can butt each other for clearance appears in 3 supports of two ring flanges, when two ring flanges 3 pass through bolted connection, because the existence in clearance between the ring flange 3, consequently can be with the tighter that the bolt was screwed up, can laminate more closely between two tube heads 2 simultaneously, thereby reduced the gap of junction, make sealed effect better.

As shown in fig. 4-5, two ends of the insert plate 501 are provided with matching sealing holes 8, and sealing strips 9 are arranged in the sealing holes 8;

the sealing holes 8 are formed in the two ends of the inserting plate 501, when the two flange plates 3 are connected, the two ends of the two inserting plates 501 can be abutted to form a circle, and the sealing holes 8 formed in the connecting positions of the two inserting plates 501 can be used for being plugged with the sealing strips 9, so that the gap between the connecting positions of the two inserting plates 501 is sealed, and the sealing effect is further improved.

In this embodiment, a convex ring 101 is disposed on the periphery of the connection pipe 1, and a sleeve 102 coaxial with the connection pipe 1 is disposed on one side of the flange 3 facing the connection pipe 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixed flange type joint comprises a connecting pipe (1) and is characterized in that one end of the connecting pipe (1) is provided with a pipe head (2), one side, facing the connecting pipe (1), of the pipe head (2) is fixedly connected with a flange plate (3), and a plurality of bolt holes (4) taking the connecting pipe (1) as an axis are circumferentially distributed in the flange plate (3); the sealing device is characterized in that a sealing mechanism (5) which is annular and coaxial with the flange plate (3) is further arranged on the flange plate (3), the sealing mechanism (5) comprises a semi-arc-shaped inserting plate (501) and a semi-arc-shaped inserting groove (502), the inserting plate (501) and the semi-arc-shaped inserting groove (502) are located between the tube head (2) and the bolt hole (4), and one end, away from the flange plate (3), of the inserting plate (501) is provided with a plug (503) which is arranged in a conical shape; a sealing block (504) is arranged in the slot (502), and a tapered groove (505) matched with one end of the plug (503) is formed in one side, facing the opening of the slot (502), of the sealing block (504).

2. A fixed flange joint according to claim 1, wherein the side of the pipe head (2) remote from the flange (3) is provided with an annular groove (6), and a sealing ring (7) is arranged in the annular groove (6).

3. A fixed flange joint according to claim 1, wherein the insert plate (501) is provided with matching sealing holes (8) on both side surfaces, and sealing strips (9) are provided in the sealing holes (8), the sealing strips (9) being used for sealing gaps between the insert plates (501).

4. A fixed flange joint according to claim 1, wherein the connection pipe (1) is provided with a protruding ring (101) on the periphery, and the flange (3) is provided with a sleeve (102) on the same axis as the connection pipe (1) on the side facing the connection pipe (1).

5. A fixed flange joint according to claim 1, characterized in that the pipe head (2) has a smaller diameter than the flange (3) and projects beyond the end face of the flange (3), the pipe head (2) being adapted to abut against the flange (3) when bolted.