CN224107857U

CN224107857U - A novel hinged structure air supply device expansion joint

Info

Publication number: CN224107857U
Application number: CN202520909871.9U
Authority: CN
Inventors: 黄山; 赵红芳; 王庭栋; 方明宇
Original assignee: Wuhan Zongneng Technology Co ltd
Current assignee: Wuhan Zongneng Technology Co ltd
Priority date: 2025-05-09
Filing date: 2025-05-09
Publication date: 2026-04-10
Anticipated expiration: 2035-05-09

Abstract

This utility model relates to a novel hinged structure expansion joint for an air supply device. A second expansion tube is fixedly installed at both the top and bottom of the first expansion tube. A first connecting post is fixedly installed near the top of the first expansion tube on both its left and right sides. Second connecting posts are fixedly installed near the bottom of the first expansion tube on both its front and rear sides. A first rotating arm is rotatably installed on the outside of each of the two first connecting posts. An upper fixing ring is fixedly installed on the outside of the top second expansion tube, and both first rotating arms are fixedly installed at the bottom of the upper fixing ring. Second rotating arms are rotatably installed on the outside of each of the two second connecting posts. A lower fixing ring is fixedly installed on the outside of the bottom second expansion tube, and both second rotating arms are fixedly installed on the top of the lower fixing ring. After connecting the two second expansion tubes to the air supply device, slight bending adjustments can be made, effectively releasing pipe stress.

Description

Novel hinge structure air supply device expansion joint

Technical Field

The utility model relates to the technical field of expansion joints, in particular to an expansion joint of a novel hinge structure air supply device.

Background

In industrial ventilation, heating, air conditioning, industrial pipeline conveying and other systems, the air supply device is responsible for generating and conveying gas with specific pressure and flow, the expansion energy-saving compensation pipeline expands with heat and contracts with cold caused by temperature and pressure change so as to reduce pipeline stress, the expansion energy-saving compensation pipeline and the expansion energy-saving compensation pipeline cooperate with each other to maintain balance of system pressure and flow, stable and smooth flow of gas is ensured, meanwhile, the expansion joint can absorb deformation of the pipeline, damage of the pipeline due to stress concentration is prevented, vibration transmission is reduced, and normal operation of the air supply device and stable conveying of air flow are ensured.

In the prior art, in order to ensure the stability of expansion joint in the course of the work, can generally restrict it fixedly after the expansion joint installation is accomplished, the spacing of traditional metal pole has restricted the free bending of expansion joint in a plurality of directions, when the pipeline takes place the bending deformation of certain degree because of actual conditions needs, the expansion joint is owing to receive the restriction of metal pole, can't normally carry out corresponding bending adjustment, lead to the inside stress of pipeline can't obtain effectual release and buffering, consequently, especially propose a novel hinge structure air supply device expansion joint to solve above-mentioned problem.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides an expansion joint of a novel hinge structure air supply device, so as to overcome the defects in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a novel hinge structure air supply device expansion joint, includes an expansion pipe, the equal fixed mounting in top and bottom of an expansion pipe has No. two expansion pipes, the equal fixed mounting in the left and right sides of an expansion pipe has a spliced pole that is close to its top, the equal fixed mounting in both sides around an expansion pipe has a spliced pole that is close to its bottom, two the outside of a spliced pole is all rotated and is installed a rocking arm, the top the outside fixed mounting of No. two expansion pipe has an upper fixed ring, two the equal fixed mounting of a rocking arm is in the bottom of upper fixed ring, two the outside of No. two spliced pole is all rotated and is installed No. two rocking arms, the bottom the outside fixed mounting of No. two expansion pipes has lower fixed ring, two the equal fixed mounting of No. two rocking arms is in the top of lower fixed ring.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the flange plates are rotatably arranged outside the two expansion pipes, and the two flange plates are respectively positioned at one ends of the outer sides of the two expansion pipes.

Further, expansion pipe No. one includes the bellows, the equal fixed mounting in top and bottom of bellows has the riser, two the equal fixed mounting in outside of riser has the go-between, two the butt joint groove has all been seted up in the outside of go-between, two be provided with a plurality of telescopic links between the go-between, two the outside of go-between all is provided with the locking subassembly that carries out spacing to a plurality of telescopic links.

Further, the locking assembly includes fixed mounting in the support of a plurality of telescopic links top and bottom keep off the ring, and a plurality of keep off the ring and be located two go-between's inboard respectively, a plurality of the equal fixed mounting in outside that keeps off the ring has the bolt, a plurality of the bolt is located the inside of a plurality of butt joint grooves respectively, a plurality of the outside of bolt is all threaded and is installed the nut that is located two go-between outsides.

Further, two expansion pipes II are respectively fixedly arranged on the outer sides of the two vertical cylinders.

Compared with the prior art, the utility model has the beneficial effects that the two first rotating arms are respectively connected to the outside of the first expansion pipe by utilizing the two first connecting columns so as to realize rotation, the upper fixing ring at the outside of the second expansion pipe is connected with the first rotating arm, so that the second expansion pipe at the upper part can be subjected to front-back rotation adjustment at the top of the first expansion pipe, meanwhile, the two second rotating arms are connected to the outside of the first expansion pipe by utilizing the two second connecting columns, the lower fixing ring at the outside of the second expansion pipe is connected with the second rotating arm, so that the second expansion pipe at the lower part can be subjected to left-right rotation adjustment at the bottom of the first expansion pipe, and the two second expansion pipes are connected with the air supply device, thereby realizing small-amplitude bending adjustment and effectively releasing pipeline stress.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an expansion joint of a novel hinge structure air supply device;

FIG. 2 is a schematic diagram of an explosion structure of an expansion joint of the novel hinge structure air supply device of the utility model;

FIG. 3 is a schematic view of a structural connection of a locking assembly to a telescoping rod;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2.

In the drawings, the list of components represented by the various numbers is as follows:

1. An expansion pipe I; 2, an expansion pipe II; the device comprises a first connecting column, a second connecting column, a first rotating arm, a 6 upper fixing ring, a 7 second rotating arm, a 8 lower fixing ring, a 9 flange plate, a 10 connecting ring, a 11 butt joint groove, a 12 telescopic rod, a13 resisting ring, a14, a bolt, a 15 and a nut.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Embodiment 1, as shown in fig. 1-2, a novel hinge structure air supply device expansion joint, including expansion pipe 1, expansion pipe 2 is all fixed mounting in the top and the bottom of expansion pipe 1, expansion pipe 1's the equal fixed mounting in left and right sides has connecting column 3 near its top, connecting column 4 is all fixed mounting in the front and back both sides of expansion pipe 1 near its bottom, the outside of connecting column 3 is all rotated and is installed rocking arm 5 No. one, the outside fixed mounting of expansion pipe 2 No. top has fixed ring 6, the outside of rocking arm 5 No. two is all fixed mounting in the bottom of fixed ring 6 No. two, rocking arm 7 No. two is all rotated and is installed in the outside of No. two connecting column 4, the outside fixed mounting of expansion pipe 2 No. two bottom has fixed ring 8 down, the equal fixed mounting of rocking arm 7 No. two is in the top of fixed ring 8 down.

The two first rotating arms 5 are respectively connected to the outer parts of the first expansion pipes 1 through the two first connecting columns 3, after the upper fixing ring 6 externally mounted on the second expansion pipes 2 is connected with the two first rotating arms 5, the upper second expansion pipes 2 can be limited to rotate and adjust around the top of the first expansion pipes 1, the two second rotating arms 7 are respectively connected to the outer parts of the first expansion pipes 1 through the two second connecting columns 4, after the lower fixing ring 8 externally mounted on the second expansion pipes 2 is connected with the two second rotating arms 7, the lower second expansion pipes 2 can be limited to rotate and adjust around the bottom of the first expansion pipes 1, and after the two second expansion pipes 2 are connected with the air supply device, the pipeline stress can be adjusted in a small amplitude by bending, so that the pipeline stress is effectively released.

In example 2, as shown in fig. 1 to 2, this example is a further improvement on the basis of example 1, and specifically includes the following steps:

The outside of two expansion pipes 2 is all rotated and is installed ring flange 9, and two ring flanges 9 are located the one end in the outside of two expansion pipes 2 respectively.

The two flanges 9 are arranged in this way, which is convenient for the connection with the external air supply device.

Example 3, as shown in fig. 1 to 2, this example is a further improvement on the basis of example 1, and is specifically as follows:

The expansion pipe 1 comprises a corrugated pipe, wherein vertical barrels are fixedly installed at the top and the bottom of the corrugated pipe, connecting rings 10 are fixedly installed outside the two vertical barrels, butt joint grooves 11 are formed in the outer sides of the two connecting rings 10, a plurality of telescopic rods 12 are arranged between the two connecting rings 10, and locking assemblies for limiting the telescopic rods 12 are arranged in the outer sides of the two connecting rings 10.

In this way, the plurality of telescopic rods 12 are limited between the two connecting rings 10 through the locking assembly, and because the two connecting rings 10 are fixed outside the two vertical cylinders, the plurality of telescopic rods 12 can be driven to be telescopically adjusted when the first expansion pipe 1 stretches, and at the moment, the plurality of telescopic rods 12 can effectively prevent the first expansion pipe 1 from being bent.

Example 4, as shown in fig. 3 to 5, this example is a further improvement on the basis of example 1, and is specifically as follows:

The locking assembly comprises a retaining ring 13 fixedly mounted at the top and the bottom of a plurality of telescopic rods 12, a plurality of retaining rings 13 are respectively positioned at the inner sides of two connecting rings 10, bolts 14 are fixedly mounted at the outer sides of the retaining rings 13, the bolts 14 are respectively positioned in a plurality of butting grooves 11, and nuts 15 positioned at the outer sides of the two connecting rings 10 are respectively and spirally mounted at the outer sides of the bolts 14.

By this arrangement, the nut 15 is mounted on the outside of the bolt 14 and is brought close to the abutment ring 13, so that the telescopic rod 12 can be reinforced inside the connecting ring 10.

Example 5, as shown in fig. 1 to 2, this example is a further improvement on the basis of example 3, and is specifically as follows:

The two second expansion pipes 2 are respectively and fixedly arranged on the outer sides of the two vertical cylinders.

So arranged, the two second expansion pipes 2 installed can bend at the top and bottom of the first expansion pipe 1 to release stress.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A novel hinge structure air supply device expansion joint, comprising an expansion tube (1), characterized in that: a second expansion tube (2) is fixedly installed at the top and bottom of the first expansion tube (1), a first connecting column (3) is fixedly installed on the left and right sides of the first expansion tube (1) near its top, a second connecting column (4) is fixedly installed on the front and rear sides of the first expansion tube (1) near its bottom, a first rotating arm (5) is rotatably installed on the outside of the two first connecting columns (3), an upper fixing ring (6) is fixedly installed on the outside of the top second expansion tube (2), the two first rotating arms (5) are fixedly installed on the bottom of the upper fixing ring (6), a second rotating arm (7) is rotatably installed on the outside of the two second connecting columns (4), a lower fixing ring (8) is fixedly installed on the outside of the bottom second expansion tube (2), and the two second rotating arms (7) are fixedly installed on the top of the lower fixing ring (8).

2. The expansion joint of the novel hinge structure air supply device according to claim 1, characterized in that: a flange (9) is rotatably installed on the outside of each of the two expansion tubes (2), and the two flanges (9) are respectively located at one end of the outside of the two expansion tubes (2).

3. The expansion joint of the novel hinge structure air supply device according to claim 1, characterized in that: the first expansion pipe (1) includes a corrugated pipe, and a vertical cylinder is fixedly installed at the top and bottom of the corrugated pipe. A connecting ring (10) is fixedly installed on the outside of the two vertical cylinders. A docking groove (11) is opened on the outside of the two connecting rings (10). A plurality of telescopic rods (12) are arranged between the two connecting rings (10). A locking component for limiting the plurality of telescopic rods (12) is provided on the outside of the two connecting rings (10).

4. The expansion joint of the novel hinge structure air supply device according to claim 3, characterized in that: the locking assembly includes a stop ring (13) fixedly installed on the top and bottom of a plurality of telescopic rods (12), the plurality of stop rings (13) are respectively located on the inner side of two connecting rings (10), the outer side of the plurality of stop rings (13) is fixedly installed with bolts (14), the plurality of bolts (14) are respectively located inside a plurality of mating grooves (11), and the outer side of the plurality of bolts (14) is threaded with nuts (15) located on the outer side of the two connecting rings (10).

5. The expansion joint of a novel hinge structure air supply device according to claim 3, characterized in that: the two expansion tubes (2) are respectively fixedly installed on the outside of the two vertical cylinders.