Air pipe flange connecting device

Abstract

The utility model provides an air pipe flange connecting device, and relates to the technical field of air pipe flange connection, the air pipe flange connecting device comprises two air pipe flanges which are combined for use, the two air pipe flanges are respectively installed on the opposite end faces of two adjacent air pipes, and a first inserting piece is arranged in each installation hole in one air pipe flange. A pulling rope penetrates through the first inserting pieces and sequentially passes through the rope penetrating blocks in the left-right sequence direction when passing through the first inserting pieces, one end of the pulling rope is fixed to an air pipe flange, and therefore when the pulling rope is pulled, the inserting columns in all the first inserting pieces can move along with movement of the rope penetrating blocks. And the other pulling rope is connected with one ends of the pulling ropes on the second inserting pieces, so that the pulling ropes in all the second inserting pieces can pull the inserting blocks to ascend and descend along with the movement of the other pulling rope, all the inserting columns and all the inserting blocks on the two air pipe flanges can conveniently move at the same time, and the assembling and disassembling time is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a duct flange connecting technology field especially relates to a duct flange connecting device. BACKGROUND

[0002] The duct flange is a kind of flange (a kind of flat, flange-like plate), is used to connect wind pipe each other or connect wind pipe with device, equipment, and the duct flange is used to connect the wind pipe pipe section of different models, different types, it is convenient to increase or replace equipment in ventilation and air conditioning system.

[0003] Therefore, the common plate flange duct connecting structure of prior art, the public number for being: CN219912138U, first, flange angle is installed at the four corners of common plate flange duct end, then through glass glue sealing flange angle and the connecting place of common plate flange duct, then in the rectangular ring-shaped groove can place a complete gasket, again two common plate flange ducts are aligned, the flange angle of adjacent common plate flange duct is fixed by fixed bolt, finally, through the hook code between the connecting flange of adjacent common plate flange duct, the hook code is used to fix corresponding flange section on adjacent common plate flange duct and is equipped with multiple, at least three hook codes are provided on each flange section, and the hook code includes fixed part and fixed screw, the fixed part includes bending part, horizontal part and vertical part, threaded hole is formed in vertical part, and the fixed screw is threadedly connected in the threaded hole.

[0004] But because the number of hook code set is more, in actual assembly and disassembly process, personnel need to rotate fixed screw in several hook codes in turn, and with the increase of the number of fixed screw, corresponding assembly and disassembly time will increase, that is, it will affect assembly and disassembly efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in prior art and provides a duct flange connecting device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of duct flange connecting device, including two combined use's duct flange, two duct flanges are respectively installed in the opposite end surface of adjacent two ducts and every installation hole on one of duct flange is provided with first insert, every installation hole on the other duct flange is installed with second insert, the surface of first insert is equipped with plug-in post, the plug-in post one side extends outward for penetrating the installation hole of alignment on two duct flanges and the plug-in post is connected with a plurality of elastic ropes between first insert, the side of first insert close to duct flange and the surface of plug-in post are equipped with stringing block, the stringing block in the surface of plug-in post is provided with traction rope, the traction rope two ends are respectively penetrated two stringing blocks on first insert, along the circumference direction of duct flange, adjacent two traction ropes are integrally formed with head and tail, the second insert is inserted with the plug-in block of elastic installation and for being inserted with plug-in post, and the plug-in block on the other duct flange moves synchronously.

[0007] Preferably, the first insert and the second insert are provided with rubber rings on the surfaces, and are connected to the surface of the duct flange by the rubber rings.

[0008] Preferably, the second insert is provided with an L-shaped plug-in block on the side extending outward, and is slidably connected to the outer corner of the duct flange.

[0009] Preferably, one end of the elastic rope is fixed to the surface of the first insert close to the duct flange, and the other end of the elastic rope penetrates the surface of the first insert away from the duct flange and is fixed to the side of the plug-in post.

[0010] Preferably, the traction rope integrally formed on one of the duct flanges is disconnected at one of the corners of the duct flange, a fixed pin connected to one end of the disconnected traction rope is fixedly installed at the corner of the duct flange, and a winding wheel connected to the other end of the disconnected traction rope is rotatably connected to the position of the duct flange close to the fixed pin, a handle is fixedly installed on the end surface of the winding wheel, and a plug-in pin penetratingly provided at the end of the handle is inserted into the duct flange.

[0011] Preferably, a spring rod connected to the plug-in block and perpendicular to the side of the duct flange is fixedly installed on the surface of the second insert, and a pull rope extending towards the side of the duct flange and penetrating the cylinder of the spring rod is fixedly installed on the plug-in block.

[0012] Preferably, one end of the pull rope penetrating the spring rod is also connected to the traction rope, and the traction rope on the other duct flange is arranged around the duct flange.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. The utility model discloses a two traction ropes are set up, one traction rope passes through a plurality of first inserts, and when passing through the first insert, passes through the rope -passing -block in the left and right order direction in proper order, and one end of the traction rope is fixed on the flange of air pipe, so when the traction rope is pulled, the insertion post in all first inserts can be moved along with the movement of the rope -passing -block, another traction rope is connected with the one end of the pull rope on a plurality of second inserts, and the pull rope in all second inserts can be pulled along with the movement of another traction rope to pull the insertion block to go up and down, so that all insertion posts and all insertion blocks on the two flanges of air pipe can be moved simultaneously, and the assembly and disassembly time is saved.

[0015] 2. The utility model discloses a bolt is drawn out, and the reel wheel rotation can be realized through the rotation handle of bolt, and the traction rope is wound by the reel wheel rotation, so that the traction rope passing through the first insert is forced to straighten, and all insertion posts on one flange of air pipe can be moved to another flange of air pipe simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the flange connecting device of air pipe is provided for the utility model;

[0017] Figure 2 A side view structure schematic diagram of the flange connecting device of air pipe is provided for the utility model; Figure 1

[0018] Figure 3 A structure schematic diagram of the first insert of the flange connecting device of air pipe is provided for the utility model;

[0019] Figure 4 A structure schematic diagram of the second insert of the flange connecting device of air pipe is provided for the utility model;

[0020] Figure 5 A sectional view structure schematic diagram of the flange connecting device of air pipe is provided for the utility model; Figure 3

[0021] Figure 6 A zoomed-in view of A in the utility model is provided for the utility model. Figure 1

[0022] Legend: 1, flange of air pipe; 2, first insert; 3, second insert; 4, traction rope; 5, spring rod; 6, pull rope; 7, insertion block; 8, rubber ring; 9, insertion post; 10, elastic rope; 11, reel wheel; 12, handle; 13, bolt; 14, fixed pin; 15, rope -passing -block. DETAILED DESCRIPTION

[0023] ​​​In order to enable the above-mentioned purpose, features and advantages of the present application to be more clearly understood, the present application will be described in further detail below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in different ways from those described herein without departing from the present application, and the present application is not limited to the specific embodiments disclosed in the following description.

[0025] As Figures 1-6As shown, a kind of air pipe flange connecting device, including two air pipe flanges 1 used in combination, two air pipe flanges 1 are respectively installed on the opposite end surfaces of two adjacent air pipes, and each mounting hole in one of the air pipe flanges 1 is provided with a first insert 2, each mounting hole in the other air pipe flange 1 is provided with a second insert 3, the surface of the first insert 2 and the second insert 3 is provided with a rubber ring 8, and is bonded and connected with the surface of the air pipe flange 1 by the rubber ring 8, and the first insert 2 and the second insert 3 are installed and fixed by using the rubber ring 8;The surface of the first insert 2 is provided with a plug column 9, one side of the plug column 9 extends outwardly for penetrating through the aligned mounting holes of the two air pipe flanges 1, and a plurality of elastic ropes 10 are connected between the plug column 9 and the first insert 2, one end of the elastic rope 10 is fixed to the surface of the first insert 2 near one side of the air pipe flange 1, the other end of the elastic rope 10 penetrates through the surface of the first insert 2 away from one side of the air pipe flange 1 and is fixed to the side edge of the plug column 9, the elastic rope 10 is commonly used in the market, when the plug column 9 is moved under tension, the elastic rope 10 is elastically stretched, when the plug column 9 loses tension, the elastic rope 10 is elastically contracted to drive the plug column 9 to reset, the side surface of the first insert 2 near the air pipe flange 1 and the surface of the plug column 9 are provided with rope penetrating blocks 15, the rope penetrating blocks 15 on the surface of the plug column 9 are provided with a traction rope 4, the two ends of the traction rope 4 penetrate through the two rope penetrating blocks 15 on the first insert 2, along the circumferential direction of the air pipe flange 1, the adjacent two traction ropes 4 are integrally formed with the tail end of the adjacent one, under normal circumstances, the traction rope 4 in the first insert 2 is provided with a fold line, when subjected to tension, the traction rope 4 is forced to be straightened, and moves in the rope penetrating block 15, and the corresponding traction rope 4 will drag the plug column 9 to move during the straightening process, to generate tension on the plug column 9, so that it moves to penetrate through the mounting holes of the two air pipe flanges 1, the second insert 3 is provided with an elastic mounting plug block 7 for plugging with the plug column 9, a plurality of plug blocks 7 on the other air pipe flange 1 move synchronously, after the plug column 9 moves to penetrate through the aligned mounting holes of the two air pipe flanges 1 by overcoming the tension of the elastic rope 10, the plug block 7 in the second insert 3 in the mounting hole of the other air pipe flange 1 is lowered and inserted into the plug column 9, so that the position of the plug column 9 is fixed, that is, the connection of the two air pipe flanges 1 is firm, therefore, the scheme can realize the simultaneous movement of all plug columns 9 on one of the air pipe flanges 1, and the simultaneous movement and plugging of all plug blocks 7 on the other air pipe flange 1 with the corresponding plug columns 9, so as to realize the quick disassembly of the two air pipe flanges 1.

[0026] Further, the side edge of the second insert 3 extends outwardly in L shape and is slidably connected with the outer corner of the air pipe flange 1, so as to facilitate the installation of the second insert 3, and ensure that the plug block 7 in the second insert 3 faces the side surface of the air pipe flange 1, so as to ensure that the plug block 7 is smoothly plugged with the plug column 9.

[0027] Further, the traction rope 4 integrally formed on one of the air pipe flanges 1 is disconnected at one corner of the air pipe flanges 1, a fixed pin 14 is fixedly installed at the corner of the air pipe flanges 1 and connected with one end of the disconnected traction rope 4, and a winding wheel 11 is rotationally connected with the other end of the disconnected traction rope 4 at a position close to the fixed pin 14, and a handle 12 is fixedly installed on the end face of the winding wheel 11, and a plug pin 13 is provided at the end of the handle 12 and inserted into the air pipe flanges 1. In actual use, one end of the traction rope 4 connected with the first plug-in element 2 is fixed by the fixed pin 14, so that the winding wheel 11 can be rotated by pulling out the plug pin 13 and rotating the handle 12 by the plug pin 13, the traction rope 4 is wound by the rotation of the winding wheel 11, the traction rope 4 passing through the first plug-in element 2 is forced to be straightened, and all the insertion posts 9 on one of the air pipe flanges 1 are simultaneously moved to the other air pipe flanges 1.

[0028] Further, the second plug-in element 3 is fixedly installed with a spring rod 5 which is connected with the insertion block 7 and vertically arranged on the side surface of the air pipe flanges 1, the insertion block 7 is fixedly installed with a pull rope 6 which extends towards the side surface of the air pipe flanges 1 and penetrates the cylinder of the spring rod 5, and one end of the pull rope 6 penetrating the spring rod 5 is also connected with the traction rope 4, and the traction rope 4 on the other air pipe flanges 1 is arranged around the air pipe flanges 1. In use, all the pull ropes 6 connected with the traction rope 4 on the other air pipe flanges 1 are simultaneously moved by pulling the traction rope 4, so that the insertion block 7 at the corresponding position is lowered to overcome the pushing force of the spring rod 5, and then the insertion block 7 is inserted into the surface of the corresponding insertion post 9, and the traction rope 4 on the other air pipe flanges 1 is tightened.

[0029] Working principle, a plurality of first plug-in elements 2, second plug-in elements 3, winding wheels 11 and fixed pins 14 are respectively installed on two air pipe flanges 1, the first plug-in element 2 and the second plug-in element 3 are installed in the installation hole of the air pipe flanges 1 by the rubber ring 8, two traction ropes 4 are used, one end of one traction rope 4 is tied to the fixed pin 14, the other end moves along the side of the air pipe flanges 1 and penetrates the rope penetrating block 15 on the first plug-in element 2 and is finally wound on the winding wheel 11, the other traction rope 4 moves along the side of the air pipe flanges 1 and is sequentially connected with the pull rope 6 on the second plug-in element 3, in use, the plug pin 13 is pulled out, and the handle 12 is rotated by the plug pin 13 to rotate the winding wheel 11, the traction rope 4 is wound by the rotation of the winding wheel 11, the traction rope 4 passing through the first plug-in element 2 is forced to be straightened, all the insertion posts 9 on one of the air pipe flanges 1 are simultaneously moved to the other air pipe flanges 1, all the pull ropes 6 connected with the traction rope 4 on the other air pipe flanges 1 are simultaneously moved by pulling the traction rope 4, so that the insertion block 7 at the corresponding position is lowered to overcome the pushing force of the spring rod 5, and then the insertion block 7 is inserted into the surface of the corresponding insertion post 9, and the traction rope 4 on the other air pipe flanges 1 is tightened, so that the two air pipe flanges 1 can be connected and fixed.

[0030] The above is only the preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A duct flange connection device, comprising two duct flanges (1) used in combination, characterized in that: Two duct flanges (1) are respectively installed on the opposite end faces of two adjacent ducts. Each mounting hole on one duct flange (1) is provided with a first insert (2), and each mounting hole on the other duct flange (1) is provided with a second insert (3). The surface of the first insert (2) is fitted with a pin (9). One side of the pin (9) extends outward to pass through the aligned mounting holes on the two duct flanges (1). Several elastic ropes (10) are connected between the pin (9) and the first insert (2). The first insert (2) is close to Rope-threading blocks (15) are installed on both sides of the duct flange (1) and on the surface of the insert (9). A traction rope (4) is provided in the rope-threading block (15) on the surface of the insert (9). The two ends of the traction rope (4) pass through the two rope-threading blocks (15) on the first insert (2) respectively. Along the circumference of the duct flange (1), two adjacent traction ropes (4) are connected end to end to form a single unit. A flexible insert (7) is inserted into the second insert (3) for insertion into the insert (9). Several inserts (7) on the other duct flange (1) move synchronously.

2. The duct flange connection device according to claim 1, characterized in that: Both the first plug-in (2) and the second plug-in (3) are provided with rubber rings (8), and both are bonded to the surface of the duct flange (1) through the rubber rings (8).

3. The duct flange connection device according to claim 1, characterized in that: The second plug (3) extends outward in an L-shape and slides to connect with the outer corner of the duct flange (1).

4. The duct flange connection device according to claim 1, characterized in that: One end of the elastic cord (10) is fixed to the side of the first plug-in (2) near the duct flange (1), and the other end of the elastic cord (10) passes through the side of the first plug-in (2) away from the duct flange (1) and is fixedly installed on the side of the plug post (9).

5. The duct flange connection device according to claim 1, characterized in that: The traction rope (4) integrally formed on one of the duct flanges (1) is broken at one of the corners of the duct flange (1). A fixing pin (14) connected to one end of the broken traction rope (4) is fixedly installed at one of the corners of the duct flange (1). A winding wheel (11) connected to the other end of the broken traction rope (4) is rotatably connected to one of the duct flanges (1) near the fixing pin (14). A handle (12) is fixedly installed on the end face of the winding wheel (11). A pin (13) that is inserted into the duct flange (1) is provided through the end of the handle (12).

6. The duct flange connection device according to claim 1, characterized in that: The second plug (3) is fixedly mounted with a spring rod (5) that is connected to the plug block (7) and is perpendicular to the side of the duct flange (1). The plug block (7) is fixedly mounted with a pull rope (6) that extends toward the side of the duct flange (1) and passes through the cylinder of the spring rod (5).

7. The duct flange connection device according to claim 6, characterized in that: One end of each of the several pull ropes (6) passing through the spring rod (5) is also connected to a traction rope (4), and the traction rope (4) on another of the duct flanges (1) is arranged around the duct flange (1).

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