CN211738326U

CN211738326U - Ventilation pipe with good sealing effect

Info

Publication number: CN211738326U
Application number: CN202020415947.XU
Authority: CN
Inventors: 孙杰
Original assignee: Langfang Kangjie Ventilation Material Co ltd
Current assignee: Langfang Kangjie Ventilation Material Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-10-23
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a sealed effectual ventilation pipe belongs to ventilation pipe technical field. The ventilation pipe comprises an air inlet pipe and an air outlet pipe, wherein a first connecting disc is arranged at one end, close to the air inlet pipe, of the air outlet pipe, and a second connecting disc is arranged at one end, close to the air outlet pipe, of the air inlet pipe. The sealing structure is arranged on the end face, close to the first connecting disc, of the second connecting disc and comprises an annular groove arranged on the second connecting disc, a supporting plate is arranged inside the groove, a sealing gasket is arranged on the side face, close to the first connecting disc, of the supporting plate, an elastic element is arranged between the supporting plate and the groove, a sliding block is arranged on the side face of the supporting plate, and a sliding groove which is matched with the sliding block and has a guiding effect and a limiting effect on the sliding block is arranged on the side wall of the groove. The utility model adopts the above structure sealed effectual ventilation pipe, the junction that can solve the ventilation pipe is sealed not tight, easily produces the problem of gas leakage.

Description

Ventilation pipe with good sealing effect

Technical Field

The utility model belongs to the technical field of the ventilation pipe device technique and specifically relates to a sealed effectual ventilation pipe is related to.

Background

The ventilation pipe is a metal or composite pipeline for ventilation and air conditioning engineering of industrial and civil buildings, is used for air circulation, and sends indoor harmful gas or outdoor fresh air to the outside or the inside of a room through the ventilation pipe. The connection between the flexible ventilation pipe that has now carries out bolt fixed connection through the ring flange more, and the ventilation pipe is in the course of the work, because the vibrations of the flow of wind and fan, flexible ventilation pipe often can take place to rock, leads to the junction bolt of ventilation pipe to produce not hard up, and the junction is sealed not tight, produces the gas leakage problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealed effectual ventilation pipe, the junction of solving the ventilation pipe is sealed not tight, easily produces the problem of gas leakage.

In order to achieve the purpose, the utility model provides a ventilation pipe with good sealing effect, which comprises an air inlet pipe and an air outlet pipe, wherein one end of the air outlet pipe close to the air inlet pipe is provided with a first connecting disc, one end of the air inlet pipe close to the air outlet pipe is provided with a second connecting disc, and the first connecting disc and the second connecting disc are provided with corresponding connecting holes for connecting the first connecting disc and the second connecting disc;

the sealing structure is arranged on the end face, close to the first connecting disc, of the second connecting disc and comprises an annular groove arranged on the second connecting disc, a supporting plate is arranged inside the groove, a sealing gasket is arranged on the side face, close to the first connecting disc, of the supporting plate, an elastic element is arranged between the supporting plate and the groove, a sliding block is arranged on the side face of the supporting plate, and a sliding groove which is matched with the sliding block and has a guiding effect and a limiting effect on the sliding block is arranged on the side wall of the groove.

Preferably, the connecting holes comprise a first connecting hole and a second connecting hole, the first connecting hole and the second connecting hole are distributed in a circumferential array mode, and the sealing structure is located between the first connecting hole and the second connecting hole; the first connecting hole and the second connecting hole are distributed at intervals.

Preferably, the elastic element is a spring, and one end of the spring is fixed at the bottom of the groove.

Preferably, an air outlet is formed in the first connecting disc, and the outer diameter of the air outlet is smaller than the inner diameter of the air inlet pipe.

Preferably, an opening for inserting the sliding block into the sliding groove is formed in the side wall of the groove, and the opening is communicated with the sliding groove through an annular connecting channel for allowing the sliding block to pass through.

Preferably, the air inlet pipe and the air outlet pipe both comprise an inner layer and an outer layer, support rings are uniformly distributed between the inner layer and the outer layer, and the support rings are fixedly connected with the inner layer and the outer layer.

Preferably, the outer surfaces of the side surfaces of the air inlet pipe and the air outlet pipe are provided with hanging rings for hoisting and fixing.

A sealed effectual ventilation pipe, go out integrated into one piece on the connection pad of tuber pipe and have the air outlet, in the air outlet inserted the air-supply line, avoid gaseous junction from connection pad one and connection pad two to spill over. And a sealing structure is arranged on the second connecting disc of the air inlet pipe, and the spring presses the sealing gasket on the end surface of the first connecting disc all the time through the supporting plate, so that the sealing property of the joint of the first connecting disc and the second connecting disc is improved, and the sealing effect of the ventilation pipe is improved.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a ventilation pipe with good sealing effect according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic structural view of a second connection pad of the ventilation duct with a good sealing effect according to the present invention;

fig. 4 is a schematic view of a groove side-expanding structure of a ventilation pipe embodiment with a good sealing effect.

Reference numerals

1. An air outlet pipe; 2. an air inlet pipe; 3. an outer layer; 4. an inner layer; 5. a support ring; 6. a hoisting ring; 7. a first connecting disc; 8. a second connecting disc; 9. an air outlet; 10. a first connecting hole; 11. a second connecting hole; 12. a groove; 13. a support plate; 14. a spring; 15. a chute; 16. a slider; 17. a gasket; 18. an opening; 19. a connecting channel.

Detailed Description

Examples

Fig. 1 is the utility model relates to a structural schematic diagram of sealed effectual ventilation pipe embodiment, fig. 2 is the local enlarged of A in the attached drawing 1, and fig. 3 is the utility model relates to a two structural schematic diagrams of connection pad of sealed effectual ventilation pipe embodiment, fig. 4 is the utility model relates to a sealed effectual ventilation pipe embodiment's recess side expandes structural schematic diagram. As shown in the figure, the ventilation pipe with good sealing effect comprises an air inlet pipe 2 and an air outlet pipe 1, wherein a first connecting disc 7 is fixedly arranged at one end, close to the air inlet pipe 2, of the air outlet pipe 1 in a sealing mode, a second connecting disc 8 is fixedly arranged at one end, close to the air outlet pipe 1, of the air inlet pipe 2 in a sealing mode, and the first connecting disc 7 and the second connecting disc 8 are made of metal materials or plastic materials. The connecting modes of the first connecting disc 7 and the air outlet pipe 1 and the second connecting disc 8 and the air inlet pipe 2 are the conventional connecting modes, such as gluing, clamping or melting together.

And a sealing structure is arranged on the end surface of the connecting disc II 8 close to the connecting disc I7. The sealing structure comprises an annular groove 12 arranged on the connecting disc II 8, and an annular supporting plate 13 is arranged inside the groove 12. An O-shaped or annular rubber gasket 17 is arranged on the side face, close to the first connecting disc 7, of the supporting plate 13, and the gasket 17 is used for sealing the joint of the first connecting disc 7 and the second connecting disc 8. An elastic element is arranged between the supporting plate 13 and the groove 12, the elastic element is a spring 14, and one end of the spring 14 is fixed at the bottom of the groove 12. The spring 14 has certain elasticity to the backup pad 13 for sealed pad 17 on the backup pad 13 compresses tightly on connection pad 7 all the time, avoids air inlet pipe 2 and play tuber pipe 1 because of rocking the problem that produces the gas leakage in the course of the work, improves the leakproofness of junction.

Two sliding blocks 16 are arranged on the side surface of the supporting plate 13, and the included angle of the two sliding blocks 16 is 180 degrees. The side wall of the groove 12 is provided with a long strip-shaped sliding groove 15 which is matched with the sliding block 16 and has guiding function and limiting function on the sliding block 16. The side wall of the groove 12 is provided with an opening 18 for inserting the sliding block 16 into the sliding slot 15, and the included angle of the two openings 18 is 180 degrees, and the two openings are respectively in one-to-one correspondence with the sliding blocks 16 on the supporting plate 13. The opening 18 communicates with the slide groove 15 via an annular connecting channel 19, through which the slide 16 passes. The slider 16 on the support plate 13 is inserted into the opening 18, and then the support plate 13 is rotated to make the slider 16 enter the slide slot 15 along the connecting channel 19, thereby facilitating the installation of the support plate 13.

The connecting disc I7 and the connecting disc II 8 are provided with corresponding connecting holes for connecting the connecting disc I7 and the connecting disc II 8, and bolts penetrate through the connecting holes to realize fixed connection between the connecting disc I7 and the connecting disc II 8. The connecting holes comprise a first connecting hole 10 and a second connecting hole 11, and the first connecting hole 10 and the second connecting hole 11 are distributed in a circumferential array mode. The sealing structure is positioned between the first connecting hole 10 and the second connecting hole 11, and the first connecting hole 10 and the second connecting hole 11 are distributed at intervals, so that the stability of connection of the first connecting disc 7 and the second connecting disc 8 and the stress uniformity of the sealing gasket 17 are improved.

The air inlet pipe 2 and the air outlet pipe 1 both comprise an inner layer 4 and an outer layer 3, and the inner layer 4 and the outer layer 3 are both made of flexible materials, such as plastic cloth. Supporting rings 5 are uniformly distributed between the inner layer 4 and the outer layer 3, and the supporting rings 5 are fixedly connected with the inner layer 4 and the outer layer 3. The support ring 5 is made of metal and used for propping open the flexible ventilation pipe, collecting and combining the support ring 5, compressing the ventilation pipe and facilitating transportation of the ventilation pipe. And the outer surfaces of the side surfaces of the air inlet pipe 2 and the air outlet pipe 1 are provided with hanging rings 6 for hoisting and fixing the ventilation pipe.

An air outlet 9 is formed in the first connecting disc 7, and the air outlet 9 and the first connecting disc 7 are of an integral structure. The outer diameter of the air outlet 9 is smaller than the inner diameter of the air inlet pipe 2, that is, the air outlet 9 can be inserted into the air inlet pipe 2, so that the air flow in the air outlet pipe 1 can smoothly enter the air inlet pipe 2, and the overflow from the connection part of the air inlet pipe and the air outlet pipe is avoided.

In this embodiment, the air inlet pipe 2 and the air outlet pipe 1 are relative, the other end of the air inlet pipe 2 is the air outlet pipe 1, and the other end of the air outlet pipe 1 is the air inlet pipe 2, that is, two ends of the same ventilation pipe are respectively provided with the first connection disk 7 and the second connection disk 8, so that the ventilation pipes at the two ends can be conveniently connected.

Therefore, the utility model adopts the above structure sealed effectual ventilation pipe, the junction that can solve the ventilation pipe is sealed not tight, easily produces the problem of gas leakage.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides a sealed effectual ventilation pipe which characterized in that: the air inlet pipe is connected with the air outlet pipe through a connecting disc I;

2. A good sealing vent according to claim 1, further comprising: the connecting holes comprise a first connecting hole and a second connecting hole, the first connecting hole and the second connecting hole are distributed in a circumferential array mode, and the sealing structure is located between the first connecting hole and the second connecting hole; the first connecting hole and the second connecting hole are distributed at intervals.

3. A good sealing vent according to claim 1, further comprising: the elastic element is a spring, and one end of the spring is fixed at the bottom of the groove.

4. A good sealing vent according to claim 1, further comprising: an air outlet is formed in the first connecting disc, and the outer diameter of the air outlet is smaller than the inner diameter of the air inlet pipe.

5. A good sealing vent according to claim 1, further comprising: the side wall of the groove is provided with an opening for inserting the sliding block into the sliding groove, and the opening is communicated with the sliding groove through an annular connecting channel for allowing the sliding block to pass through.

6. A good sealing vent according to claim 1, further comprising: the air inlet pipe and the air outlet pipe both comprise an inner layer and an outer layer, support rings are uniformly distributed between the inner layer and the outer layer, and the support rings are fixedly connected with the inner layer and the outer layer.

7. A good sealing vent according to claim 1, further comprising: and hoisting rings for hoisting and fixing are arranged on the outer surfaces of the side surfaces of the air inlet pipe and the air outlet pipe.