CN219242916U

CN219242916U - Quick flange connecting device for rectangular square air pipe

Info

Publication number: CN219242916U
Application number: CN202320052349.4U
Authority: CN
Inventors: 李国安; 姜伟婧
Original assignee: Qingdao Dazheng Ship Fittings Co ltd
Current assignee: Qingdao Dazheng Ship Fittings Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-23
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to a rectangular square air pipe flange quick connecting device, which belongs to the technical field of buildings and comprises air pipes, wherein air pipe flanges are arranged at the pipe opening positions of the air pipes, each group of air pipes are mutually butted through the air pipe flanges, connecting pieces are arranged on the outer surfaces of the air pipe flanges of each group of air pipes, the connecting pieces are U-shaped, first bolt holes are formed in four corners of the connecting pieces, first fixing bolts penetrate through the first bolt holes, a slot is formed in one surface, close to the air pipe flanges, of each connecting piece end, and inserted rods are inserted into the slots. The air duct flange has the beneficial effects that the air duct flange is tightly attached through the extrusion of the connecting piece and the inserting rod, the sealing performance and the installation stability are better, the fixing bolt is only required to be unscrewed in the disassembly process, the inserting rod and the connecting piece are extracted, the number of accessories is small, the disassembly efficiency is high, and the rubber pad arranged on the inner surface of the inserting groove can improve the attaching tightness of the inserting rod and the air duct flange.

Description

Quick flange connecting device for rectangular square air pipe

Technical Field

The utility model relates to the technical field of buildings, in particular to a quick flange connecting device for a rectangular square air pipe.

Background

Square air pipes are widely used, and rectangular square air pipes can be divided into: the joint part of the square air pipe is generally required to be tightly sealed and fixed in the use process, however, the existing fixed connection is basically simple and is fastened by common bolts, foaming glue and the like can be possibly sprayed on for sealing, and the phenomena of falling, sealing, unsealing and the like can be necessarily generated for a long time although the effect can be achieved in a short time.

Application number: 201320410475.9; discloses a quick connecting device for a metal rectangular square air pipe flange, belonging to the field of buildings. The utility model aims to add an external part at the connecting part of a rectangular square air pipe, so that the square air pipe is tightly sealed, and the metal rectangular square air pipe flange quick connecting device is durable for a long time. The butt joint of the square air pipes is provided with the right-angle connecting rods, sealing gaskets are arranged in contact gaps of the two right-angle connecting rods, the U-shaped clamping plates with the turning lugs are clamped on the outer sides of the two right-angle connecting rods, and the movable positioning pins with top caps penetrate through the U-shaped clamping plates, the sealing gaskets and the two right-angle connecting rods. The sealing device is simple in structure and convenient to install and use, sealing materials are filled between the right-angle connecting rods extending from the connection of the square air pipes, the sealing problem is effectively solved, the strength of the right-angle connecting rods is increased through clamping by the U-shaped clamping plates, meanwhile, the sealing gasket is clamped more tightly, the sealing effect is enhanced, and the sealing performance can be enhanced in use and is durable for a long time through the structure.

The air duct flange of the comparison document needs to be clamped and fixed on four edges of the air duct flange by using a plurality of U-shaped clamping plates in the connecting process, the operation steps are more, the assembly and disassembly are complicated, the efficiency is low, the sealing performance of the common sealing gasket is general, the improvement is needed, and the rectangular square air duct flange quick connecting device is provided for the above situations.

Disclosure of Invention

The utility model aims to provide a quick connecting device for a rectangular square air pipe flange, which solves the problems of low dismounting efficiency and poor sealing effect of the air pipe flange connection in the prior art.

The technical scheme of the utility model is as follows:

including the tuber pipe, tuber pipe mouth of pipe position is provided with the tuber pipe flange, every group the tuber pipe passes through the tuber pipe flange and dock each other, every group the tuber pipe flange surface of tuber pipe is provided with the connecting piece, the connecting piece is "U" type, first bolt hole has been seted up to the four corners department of connecting piece, first bolt hole is inside to be run through has first fixing bolt, the slot has been seted up to the one side that the connecting piece end is close to the tuber pipe flange, the inserted bar has been inserted to the slot inside, the inserted bar is laminated mutually with the tuber pipe flange surface, the second bolt hole has been seted up on the inserted bar both ends surface, second fixing bolt has been run through to the second bolt hole inside.

Further, the inner surface of the slot is provided with a rubber pad, and the lower surface of the rubber pad is attached to the upper surface of the inserted link.

Further, the opposite surfaces of the air pipe flanges of each group of air pipes are respectively provided with a first rubber strip and a second rubber strip.

Further, the outer surface of the first rubber strip is in a protruding shape.

Further, the first rubber strip and the second rubber strip are in a tooth shape.

Compared with the prior art, the quick flange connecting device for the rectangular square air pipe provided by the utility model has the following improvement and advantages:

the method comprises the following steps: according to the utility model, through extrusion of the connecting piece and the inserted link, the fitting of the air pipe flange is tighter, the tightness and the installation stability are better, in addition, the disassembling process only needs to unscrew the fixing bolt and withdraw the inserted link and the connecting piece, the number of accessories is small, the disassembling efficiency is high, and the rubber pad arranged on the inner surface of the slot can improve the fitting tightness of the inserted link and the air pipe flange.

And two,: according to the utility model, the first rubber strip with the protruding outer surface can be attached to the concave part of the second rubber strip, the arc-shaped contact surface has a better sealing effect, and the contact surface is toothed, so that the sealing effect can be further improved, and the leakage of medium in the air pipe is avoided.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic view of the axial structure of the present utility model;

FIG. 3 is a schematic view of the structure of the connector of the present utility model;

FIG. 4 is a schematic illustration of the structure of the bayonet of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.

Reference numerals illustrate: 1. an air duct; 2. an air pipe flange; 3. a connecting piece; 4. a first bolt hole; 5. a first fixing bolt; 6. a slot; 7. a rod; 8. a second bolt hole; 9. a second fixing bolt; 10. a first rubber strip; 11. a second rubber strip; 12. and a rubber pad.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 6, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a rectangular square air pipe flange quick connecting device through improvement, as shown in figures 1-5, the quick connecting device comprises air pipes 1, air pipe flanges 2 are arranged at the pipe opening positions of the air pipes 1, each group of air pipes 1 are mutually butted through the air pipe flanges 2, connecting pieces 3 are arranged on the outer surfaces of the air pipe flanges 2 of each group of air pipes 1, the connecting pieces 3 are U-shaped, first bolt holes 4 are formed in four corners of the connecting pieces 3, first fixing bolts 5 penetrate through the interiors of the first bolt holes 4, slots 6 are formed in one surfaces, close to the air pipe flanges 2, of the end heads of the connecting pieces 3, inserting rods 7 are inserted into the slots 6, the inserting rods 7 are attached to the outer surfaces of the air pipe flanges 2, second bolt holes 8 are formed in the surfaces of two ends of the inserting rods 7, second fixing bolts 9 penetrate through the interiors of the second bolt holes 8, and in the butt-mounting process of the rectangular square pipes 1, can dock tuber pipe 1 through tuber pipe flange 2 to place connecting piece 3 at two tuber pipe flange 2 surface, can insert first fixing bolt 5 in advance and fix in advance in wherein two first bolt holes 4, and the inserted bar 7 that sets up can insert in slot 6 of connecting piece 3, and adopt second fixing bolt 9 to pass two other first bolt holes 4 and the second bolt hole 8 at inserted bar 7 both ends, extrude the tuber pipe flange 2 of two tuber pipes 1 through tightening up second fixing bolt 9 and first fixing bolt 5, with the butt joint installation of realization rectangle square tuber pipe 1, through the extrusion of connecting piece 3 and inserted bar 7, the laminating of tuber pipe flange 2 can be inseparabler, leakproofness and installation stability can be better, and the dismantlement process only need unscrew fixing bolt, and pull out inserted bar 7 and connecting piece 3 can, the accessory is few, the dismouting is efficient.

As shown in fig. 5, the inner surface of the slot 6 is provided with a rubber pad 12, the lower surface of the rubber pad 12 is attached to the upper surface of the insert rod 7, and in the process of tightening the fixing bolt, the connecting piece 3 can press the insert rod 7 to be attached to the outer surface of the air pipe flange 2 through the rubber pad 12 until the connecting piece 3 and the insert rod 7 are attached to the outer surface of the air pipe flange 2, so that the pressing tightness of the connecting piece and the insert rod is improved.

As shown in fig. 6, the opposite surfaces of the air duct flanges 2 of each air duct 1 are respectively provided with a first rubber strip 10 and a second rubber strip 11, and the two rubber strips can improve the tightness of the two connected air duct flanges 2.

The outer surface of the first rubber strip 10 is in a protruding shape, the joint surfaces of the first rubber strip 10 and the second rubber strip 11 are in a tooth shape, the first rubber strip 10 with the protruding outer surface can be attached to the concave part of the second rubber strip 11, the arc-shaped contact surface has better sealing effect, the contact surface is in a tooth shape, the sealing effect can be further improved, and leakage of medium in an air pipe is avoided.

Working principle: in the process of butt joint installation of the rectangular square air pipe 1, firstly, the air pipe 1 can be butt-jointed through the air pipe flange 2, the connecting piece 3 is placed on the outer surfaces of the two air pipe flanges 2, the first fixing bolts 5 can be inserted into the two first bolt holes 4 in advance to be pre-fixed, the inserted rods 7 can be inserted into the slots 6 of the connecting piece 3, the second fixing bolts 9 penetrate through the other two first bolt holes 4 and the second bolt holes 8 at the two ends of the inserted rods 7, then the air pipe flanges 2 of the two air pipes 1 are extruded through tightening the second fixing bolts 9 and the first fixing bolts 5, so that butt joint installation of the rectangular square air pipe 1 is realized, the air pipe flanges 2 are more tightly attached through extrusion of the connecting piece 3 and the inserted rods 7, the sealing performance and the installation stability are better, in addition, the disassembly process only needs to unscrew the fixing bolts, the inserted rods 7 and the connecting piece 3 are extracted, the number of accessories is small, and the disassembly efficiency is high.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Rectangular square air pipe flange quick connecting device, its characterized in that: including tuber pipe (1), tuber pipe (1) mouth of pipe position is provided with tuber pipe flange (2), every group tuber pipe (1) are through tuber pipe flange (2) butt joint each other, every group tuber pipe flange (2) surface of tuber pipe (1) is provided with connecting piece (3), connecting piece (3) are "U" shape, first bolt hole (4) have been seted up in the four corners department of connecting piece (3), first bolt hole (4) are inside to be run through have first fixing bolt (5), slot (6) have been seted up to the one side that is close to tuber pipe flange (2) in connecting piece (3) end, slot (6) are inside to be inserted and have been put inserted bar (7), inserted bar (7) laminate mutually with tuber pipe flange (2) surface, second bolt hole (8) have been seted up at inserted bar (7) both ends surface, second bolt hole (8) are inside to be run through have second fixing bolt (9).

2. The rectangular square duct flange quick connect apparatus of claim 1, wherein: the inner surface of the slot (6) is provided with a rubber pad (12), and the lower surface of the rubber pad (12) is attached to the upper surface of the inserted link (7).

3. The rectangular square duct flange quick connect apparatus of claim 1, wherein: the opposite surfaces of the air duct flanges (2) of each air duct (1) are respectively provided with a first rubber strip (10) and a second rubber strip (11).

4. A rectangular square duct flange quick connect assembly as defined in claim 3, wherein: the outer surface of the first rubber strip (10) is in a convex shape.

5. A rectangular square duct flange quick connect assembly as defined in claim 3, wherein: the joint surfaces of the first rubber strip (10) and the second rubber strip (11) are toothed.