CN210681118U

CN210681118U - Invisible flange for air pipe connection and air pipe system comprising same

Info

Publication number: CN210681118U
Application number: CN201921619714.5U
Authority: CN
Inventors: 曹晓亮; 何杰波; 邵力
Original assignee: Shanghai Xingyue Marine Equipment Co Ltd
Current assignee: Shanghai Xingyue Marine Equipment Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-05
Anticipated expiration: 2029-09-26

Abstract

The utility model provides an invisible flange that is used for tuber pipe to connect and contain its tuber pipe system, invisible flange includes two fixed parts and connecting portion, connecting portion set up between first fixed part, second fixed part, connecting portion form the link towards one side of fixed part, the fixed part forms towards one side of connecting portion and holds the chamber, the link can block into and hold the intracavity, the link is equipped with outer spacing face, it is equipped with interior spacing face to hold the chamber, outer spacing face contacts with interior spacing face, interior spacing face is located between the tuber pipe that outer spacing face, this fixed part are connected. The invisible flange for air pipe connection and the air pipe system comprising the same have the advantages that bolts and nuts of the traditional angle steel flange are omitted, the invisible flange is convenient to install, the occupied installation space is small, the construction difficulty is greatly reduced, and the construction efficiency is improved; and the structural design of the invisible flange can reduce the size of the invisible flange to the maximum extent, reduce the size of the whole air pipe system and meet the requirements of various installation spaces.

Description

Invisible flange for air pipe connection and air pipe system comprising same

Technical Field

The utility model relates to an invisible flange for tuber pipe is connected.

The utility model discloses still relate to an air pipe system who contains this stealthy flange.

Background

The cabins of large-scale surface ships and submarines are completely closed, have no window and are not communicated with the outside, fresh air required for life is conveyed for personnel by completely depending on an air-conditioning ventilation system, and waste gas in the cabins is discharged in time. Therefore, the quality of the air pipe directly influences the life safety of personnel.

The height of the ship structure layer is very low, the cabin is small, the space is narrow, and the arrangement and installation of the air pipes are very difficult. Traditional tuber pipe structural design has seriously influenced the quality and the installation progress of tuber pipe. Consequently, under the prerequisite of guaranteeing adiabatic performance, reduce heat insulation layer thickness, reduce the tuber pipe size, improve the convenient degree of tuber pipe installation, do the utility model aims at.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an invisible flange that is used for the tuber pipe to connect and contain its tuber pipe system to solve tuber pipe installation difficulty, the big problem of tuber pipe size.

In order to solve the above problem, the utility model provides a following technical scheme:

the utility model provides an invisible flange for tuber pipe is connected, invisible flange sets up between the terminal surface of two tuber pipes that need to connect, and two tuber pipes are first tuber pipe, second tuber pipe respectively, invisible flange includes:

the two fixing parts are respectively a first fixing part and a second fixing part, the first fixing part is fixed on the end face of the first air pipe, and the second fixing part is fixed on the end face of the second air pipe;

connecting portion, connecting portion set up in between first fixed part, the second fixed part, connecting portion form the link towards one side of fixed part, the fixed part forms towards one side of connecting portion and holds the chamber, the link can block into hold the intracavity, the link is equipped with outer spacing face, it is equipped with interior spacing face to hold the chamber, outer spacing face with interior spacing face contacts, interior spacing face is located between the tuber pipe that outer spacing face, this fixed part are connected.

In this technical scheme, the outer spacing face of link, the interior spacing face that holds the chamber contact, and interior spacing face is closer to the tuber pipe of connecting for outer spacing face, can avoid the link to break away from holding the chamber, has guaranteed the firm in connection degree between connecting portion and the fixed part.

Preferably, the invisible flange further comprises an elastic sealing gasket, and the elastic sealing gasket is clamped between the first fixing part and the second fixing part.

In this technical scheme, elastic seal gasket is used for filling the space between first fixed part, the second fixed part, makes the overall structure of stealthy flange remain stable and keep the gas tightness.

Preferably, the fixing part comprises an outer fixing part and an inner fixing part, the outer fixing part is fixed to the outer surface of the air pipe, the inner fixing part is fixed to the inner surface of the air pipe, and the outer fixing part and the inner fixing part are fixed to each other.

In the technical scheme, the fixing part is an outer fixing part and an inner fixing part which are respectively fixed with the outer surface and the inner surface of the air pipe, so that the fixing part and the air pipe are convenient to install.

Preferably, the outer fixing member includes an outer fixing plate attached to an outer surface of the air duct, and the invisible flange further includes a plurality of outer rivets, and the outer fixing plate and the air duct are fixed by the outer rivets.

In this technical scheme, the outer fixed part of above-mentioned structure, because outer fixed plate laminating in the surface of tuber pipe, after the outer fixed part installation is accomplished, do not increase the wall thickness of tuber pipe basically, make the whole size of the tuber pipe system of accomplishing of installation can maintain at less size scope.

Preferably, the inner fixing member includes an inner fixing plate attached to an inner surface of the air duct, and the invisible flange further includes a plurality of inner rivets, and the inner fixing plate and the air duct are fixed by the inner rivets.

In this technical scheme, the interior mounting of above-mentioned structure, because interior fixed plate laminates in the internal surface of tuber pipe, including the fixed plate installation accomplish the back, do not increase the wall thickness of tuber pipe basically, make the diameter of the inner channel of tuber pipe system, can not diminish yet in stealthy flange joint's position, guaranteed the good circulation nature of tuber pipe system.

Preferably, a plurality of closed heat insulation spaces are formed between the outer fixing piece and the inner fixing piece.

In this technical scheme, under the condition that will fix the part for outer mounting, interior mounting two parts, thermal-insulated space can set up between outer mounting, interior mounting.

Preferably, the accommodating cavity is arranged on the outer fixing piece.

In this technical scheme, hold the chamber and set up on the external fixation spare best, set up in the outside of tuber pipe promptly, make connecting portion can follow the outside card of tuber pipe and go into and hold the intracavity, make installer can install more conveniently.

Preferably, the outer fixing member is made of a heat resistant material.

In the technical scheme, the outer fixing piece is made of heat-resistant materials, and can play a role in preventing a heat bridge from being formed.

Preferably, the inner part of the fixing part forms a plurality of closed heat insulation spaces.

In the technical scheme, the heat insulation space forms a closed air heat insulation layer, so that a good heat insulation effect is achieved, and a heat insulation material does not need to be packaged outside the invisible flange.

Preferably, when the connecting end is inserted into the accommodating cavity, the outer surface of the connecting end is attached to the inner surface of the accommodating cavity.

In this technical scheme, through the aforesaid setting, can make the link stable in the position that holds the intracavity to improve stealthy flange joint's stability.

Preferably, the connecting part is formed by combining a plurality of inserting strips in an end-to-end manner, and the shape of the connecting part is adapted to the shape of the air pipe around the circumferential direction.

In the technical scheme, after the plurality of the cuttings are combined end to end, a firm whole with four completely closed corners can be formed, and the installation is convenient.

The utility model also provides an air pipe system, air pipe system includes a plurality of tuber pipes and a plurality of stealthy flanges, stealthy flange is connected two adjacent tuber pipes, stealthy flange is as above-mentioned technical scheme the air pipe system is provided with the air pipe system.

In the technical scheme, the size of the invisible flange can be reduced to the maximum extent by using the structural design of the invisible flange, so that the size of the whole air pipe system can be reduced, and the invisible flange can meet the requirements of various installation spaces.

Preferably, the air duct comprises an outer layer forming the outer circumferential surface of the air duct, an inner layer forming the inner circumferential surface of the air duct, and a heat insulating layer located between the outer layer and the inner layer, wherein the heat insulating layer is aerogel felt.

In the technical scheme, the thermal insulation performance of the aerogel felt with the thickness of 10mm is equivalent to that of a Fowles black closed-cell rubber plastic material with the thickness of 25mm, and the aerogel felt is the most efficient environment-friendly solid thermal insulation material at present.

Preferably, the air pipe comprises an outer layer forming the peripheral surface of the air pipe, the outer layer is composed of a plurality of outer layer plates, two adjacent outer layer plates are respectively provided with a clamping groove and an inserting edge, and the two adjacent outer layer plates are connected through the inserting edge inserted into the clamping groove.

In the technical scheme, the two adjacent outer plates are structurally designed, so that the air pipe is convenient to mount.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in:

according to the invisible flange for connecting the air pipes and the air pipe system comprising the invisible flange, the fixing of the fixing part and the end surface of the air pipe can be completed in advance, and during on-site construction, only the connecting end of the connecting part needs to be clamped into the accommodating cavity of the fixing part, so that the air tightness of the air pipe is ensured, the bolt and the nut of the traditional angle iron flange are omitted, the invisible flange is convenient to mount, the occupied mounting space is small, the construction difficulty is greatly reduced, and the construction efficiency is improved; and the invisible flange has firm and reliable structural design, so that the size of the invisible flange can be reduced to the maximum extent, the size of the whole air pipe system can be reduced, and the invisible flange can meet the requirements of various installation spaces.

Drawings

Fig. 1 is a schematic structural view of the invisible flange for connecting the air pipes of the present invention.

Fig. 2 is a schematic structural diagram of the air duct system of the present invention.

FIG. 3 is an enlarged view of a portion of the air duct shown in FIG. 2

Fig. 4 is a schematic structural diagram of the air duct system of the present invention.

FIG. 5 is an enlarged view of a portion of the air duct system shown in FIG. 4.

FIG. 6 is an exploded view of the air duct system shown in FIG. 4.

Description of the reference numerals

The heat insulation structure comprises an invisible flange 100, a fixing part 1, a first fixing part 11, a second fixing part 12, an accommodating cavity 13, an inner limiting surface 14, a heat insulation space 15, an outer fixing part 16, an outer fixing plate 161, an inner fixing part 17, an inner fixing plate 171, a groove 172, a connecting part 2, a connecting end 21, an outer limiting surface 22, an elastic sealing gasket 3, an outer rivet 4 and an inner rivet 5;

the air duct comprises an air duct 200, a first air duct 210, a second air duct 220, an end surface 201, an outer layer 202, an inner layer 203, an insulating layer 204, an outer plate 205, a clamping groove 206 and an inserting edge 207.

Detailed Description

The present invention will be further described with reference to the following embodiments and drawings, and more details will be set forth in the following description in order to provide a thorough understanding of the present invention, but it is obvious that the present invention can be implemented in various other ways different from those described herein, and those skilled in the art can make similar generalizations and deductions according to the actual application without departing from the spirit of the present invention, and therefore, the scope of the present invention should not be limited by the contents of the embodiments.

Fig. 1 shows a stealth flange 100 according to the present invention. The invisible flange 100 is used to connect an air duct 200 as shown in fig. 2 to form an air duct system. As shown in fig. 4 to 6, the invisible flange 100 is disposed between end surfaces 201 of two air ducts 200 to be connected, where the two air ducts 200 are a first air duct 210 and a second air duct 220. The invisible flange 100 includes two fixing portions 1, the two fixing portions 1 are a first fixing portion 11 and a second fixing portion 12, respectively, the first fixing portion 11 is fixed on the end surface of the first air duct 210, and the second fixing portion 12 is fixed on the end surface of the second air duct 220. This stealthy flange 100 still includes connecting portion 2, connecting portion 2 sets up between first fixed part 11, second fixed part 12, connecting portion 2 forms link 21 towards one side of fixed part 1, fixed part 1 forms towards one side of connecting portion 2 and holds chamber 13, link 21 can block in holding chamber 13, link 21 is equipped with outer spacing face 22, it is equipped with interior spacing face 14 to hold chamber 13, outer spacing face 22 contacts with interior spacing face 14, interior spacing face 14 is located outer spacing face 22, between the tuber pipe 200 that this fixed part 1 is connected.

The invisible flange 100 is used for connecting two air pipes 200, and the two air pipes 200 can be connected only by fixing the two fixing parts 1 on the end surfaces of the two adjacent air pipes 200 respectively and clamping the connecting end 21 of the connecting part 2 into the accommodating cavity 13 of the fixing part 1. The outer limiting surface 22 of the connecting end 21 and the inner limiting surface 14 of the accommodating cavity 13 are in contact, the inner limiting surface 14 is closer to the connected air pipe 200 relative to the outer limiting surface 22, the connecting end 21 can be prevented from being separated from the accommodating cavity 13, and the connecting firmness degree between the connecting part 2 and the fixing part 1 is ensured.

The fixed part 1 can be accomplished in advance with the fixed of the terminal surface of tuber pipe 200, when site operation, only need with connecting portion 2 the link 21 card go into fixed part 1 hold the chamber 13 in can, do not have the bolt and nut of traditional angle steel flange, simple to operate, it is little to occupy installation space, greatly reduced the construction degree of difficulty, improved the efficiency of construction. And the structural design of the invisible flange 100 can reduce the size of the invisible flange 100 to the maximum extent, reduce the size of the whole air pipe system and meet the requirements of various installation spaces.

For example, the invisible flange 100 of the present invention can be applied to a ship structure. Because naval vessel hull structure layer height is very low, and the cabin is little, and the space is narrow, uses the utility model discloses an invisible flange 100, can greatly make things convenient for arranging of tuber pipe to arrange and install.

As shown in fig. 1, 4 to 5, when the connecting end 21 is inserted into the accommodating cavity 13, the outer surface of the connecting end 21 is in contact with the inner surface of the accommodating cavity 13. Through the arrangement, the position of the connecting end 21 in the accommodating cavity 13 can be stabilized, so that the connecting stability of the invisible flange 100 is improved.

For convenience of installation, the connecting portion 2 may be formed by combining a plurality of inserting strips end to end, and the shape of the connecting portion 2 is adapted to the shape of the air duct 200 around the circumferential direction. For example, the air duct 200 is a rectangular air duct as shown in fig. 2, the connection portion 2 may be formed by combining four insertion strips, and the four insertion strips correspond to four sides of the rectangular air duct one to one. After the four cuttings are combined end to end, a firm whole with four completely closed corners is formed.

The invisible flange 100 may be applied to other shapes of air ducts besides rectangular air ducts. The shape of the invisible flange 100 can be changed adaptively according to the shape of the air duct.

As shown in fig. 1, 4 to 5, the invisible flange 100 further includes an elastic sealing gasket 3, and the elastic sealing gasket 3 is sandwiched between the first fixing portion 11 and the second fixing portion 12. The elastic sealing gasket 3 is used for filling the gap between the first fixing part 11 and the second fixing part 12, so that the overall structure of the invisible flange 100 is kept stable. The elastic sealing gasket 3 can be made of "class B flame retardant" material.

As shown in fig. 5, the inside of the fixing portion 1 forms a plurality of closed heat insulating spaces 15. The heat insulation space 15 forms a closed air heat insulation layer, which plays a good role of heat preservation and heat insulation, and no additional heat insulation material needs to be packaged outside the invisible flange 100.

As shown in fig. 5, the fixing portion 1 includes an outer fixing member 16 and an inner fixing member 17, the outer fixing member 16 is fixed to the outer surface of the air duct 200, the inner fixing member 17 is fixed to the inner surface of the air duct 200, and the outer fixing member 16 and the inner fixing member 17 are fixed to each other. The fixing part 1 is divided into an outer fixing part 16 and an inner fixing part 17 which are respectively fixed with the outer surface and the inner surface of the air pipe 200, so that the fixing part 1 and the air pipe 200 are convenient to install. The outer fixing member 16 and the inner fixing member 17 may be fixed by means of engagement, adhesion, or the like.

As shown in fig. 5 and 6, the external fixing member 16 includes an external fixing plate 161 attached to the outer surface of the air duct 200, and the invisible flange 100 further includes a plurality of external rivets 4, and the external fixing plate 161 is fixed to the air duct 200 by the external rivets 4. In the external fixing member 16 having the above structure, since the external fixing plate 161 is attached to the outer surface of the air duct 200, the wall thickness of the air duct 200 is not substantially increased after the external fixing member 16 is installed, so that the overall size of the installed air duct system can be maintained within a small size range. Wherein, the end of the outer rivet 4 can not exceed the heat insulating layer in the air pipe 200; the distance between adjacent outer rivets 4 is about 50 mm.

As shown in fig. 5 and 6, the inner fixing member 17 includes an inner fixing plate 171 attached to an inner surface of the air duct 200, and the invisible flange 100 further includes a plurality of inner rivets 5, and the inner fixing plate 171 is fixed to the air duct 200 by the inner rivets 5. In the inner fixing member 17 with the above structure, since the inner fixing plate 171 is attached to the inner surface of the air duct 200, after the inner fixing plate 171 is completely installed, the wall thickness of the air duct 200 is not increased basically, so that the diameter of the inner channel of the air duct system is not reduced at the position where the invisible flange 100 is connected, and good circulation of the air duct system is ensured. Wherein, the end of the inner rivet 5 can not exceed the heat insulating layer in the air pipe 200; the distance between adjacent inner rivets 5 is about 50 mm.

In the case of dividing the fixing portion 1 into two portions of the outer fixing member 16 and the inner fixing member 17, the heat insulating space 15 may be provided between the outer fixing member 16 and the inner fixing member 17. The surface of the inner fixing member 17 facing the outer fixing member 16 is formed with a plurality of grooves 172, and when the outer fixing member 16 and the inner fixing member 17 are fixed to each other, the grooves 172 and the surface of the outer fixing member 16 form a sealed heat insulation space 15. The outer fixing piece 16 and the inner fixing piece 17 are convenient to process and manufacture, and the heat insulation space 15 is easier to arrange.

The insulation space 15 is preferably disposed on the inner fixing member 17, i.e. on the inner side of the air duct 200, so as to achieve better insulation effect. The accommodating cavity 13 is preferably disposed on the external fixing member 16, i.e., disposed outside the air duct 200, so that the connecting portion 2 can be inserted into the accommodating cavity 13 from the outside of the air duct 200, and an installer can install the air duct more conveniently.

The outer fixing member 16 is preferably made of a heat-resistant material, such as a low heat-resistant polymer material, and serves to prevent the formation of a heat bridge. The inner fixing member 17 may be cast from an aluminum alloy, thereby achieving the function of improving the strength of the invisible flange 100.

Before the end of the air duct 200 is inserted between the outer fixing plate 161 and the inner fixing plate 171, a sealant is coated in the slot formed by the outer fixing plate 161 and the inner fixing plate 171 to ensure the sealing effect after the air duct 200 is connected with the fixing part 1.

The utility model also provides an air pipe system, this air pipe system include a plurality of tuber pipes 200 and a plurality of stealthy flange 100, and stealthy flange 100 is connected two adjacent tuber pipes 200. The invisible flange 100 is connected with two adjacent air ducts 200 in a manner as shown in fig. 4 to 6.

The structure of the duct 200 is as shown in fig. 2, the duct 200 includes an outer layer 202 forming an outer circumferential surface of the duct 200, an inner layer 203 forming an inner circumferential surface of the duct 200, and a heat insulating layer 204 located between the outer layer 202 and the inner layer 203, the heat insulating layer 204 being aerogel felt.

The international standard specification, the Chinese national standard specification, the naval standard specification and the like of the ship industry are all specified clearly: the ductwork must be made of steel or equivalent material and the insulation of the ductwork passing through the fire-protected area must be non-combustible. However, in the current air-conditioning ventilation system of ships and warships in China, the heat-insulating material is mostly made of Fuless black closed-cell rubber plastic materials or hemp flannel with the thickness of 25mm, the heat-insulating property is quite good, the installation is more convenient, the price is moderate, the materials are subjected to flame-retardant treatment, have flame retardance and self-extinguishing property, can be self-extinguished after being separated from a fire source, can still be fiercely combusted when the fire source exists, and can give out strong and sharp rolling black smoke, and the highly toxic gas can immediately suffocate and kill the life. Therefore, the inorganic heat-insulating material with small heat conductivity coefficient, light weight and stable chemical property is found, the requirement of the ship is met, and the inorganic heat-insulating material becomes an emergency task of the ship air pipe system. The heat insulating layer 204 of the air duct 200 is made of aerogel felt, and the heat insulating performance of the aerogel felt with the thickness of 10mm is equivalent to that of a Fowles black closed-cell rubber plastic material with the thickness of 25 mm.

In order to facilitate the installation of the air duct 200, the outer layer 202 may be formed by a plurality of outer plates 205, two adjacent outer plates 205 are respectively provided with a slot 206 and an insertion edge 207, and the two adjacent outer plates 205 are connected by the insertion edge 207 being inserted into the slot 206. A sealant is coated between the insertion edge 207 and the slot 206 to improve the sealing effect.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Any modification, equivalent changes and modifications of the above embodiments according to the technical spirit of the present invention, which do not depart from the technical scope of the present invention, fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides an invisible flange for tuber pipe is connected, invisible flange sets up between the terminal surface of two tuber pipes that need connect, and two tuber pipes are first tuber pipe, second tuber pipe respectively, its characterized in that, invisible flange includes:

2. The invisible flange for air duct connections according to claim 1, wherein: the invisible flange further comprises an elastic sealing gasket, and the elastic sealing gasket is clamped between the first fixing part and the second fixing part.

3. The invisible flange for air duct connections according to claim 1, wherein: the fixing part comprises an outer fixing part and an inner fixing part, the outer fixing part is fixed with the outer surface of the air pipe, the inner fixing part is fixed with the inner surface of the air pipe, and the outer fixing part and the inner fixing part are fixed.

4. A invisible flange for air duct connections according to claim 3, characterized in that: the outer fixing piece comprises an outer fixing plate which is attached to the outer surface of the air pipe, the invisible flange further comprises a plurality of outer rivets, and the outer fixing plate and the air pipe are fixed through the outer rivets.

5. A invisible flange for air duct connections according to claim 3, characterized in that: the inner fixing piece comprises an inner fixing plate which is attached to the inner surface of the air pipe, the invisible flange further comprises a plurality of inner rivets, and the inner fixing plate and the air pipe are fixed through the inner rivets.

6. A invisible flange for air duct connections according to claim 3, characterized in that: and a plurality of closed heat insulation spaces are formed between the outer fixing piece and the inner fixing piece.

7. A invisible flange for air duct connections according to claim 3, characterized in that: the accommodating cavity is arranged on the outer fixing piece.

8. A invisible flange for air duct connections according to claim 3, characterized in that: the outer fixing member is made of a heat resistant material.

9. The invisible flange for air duct connections according to claim 1, wherein: the inside of the fixed part forms a plurality of closed heat insulation spaces.

10. The invisible flange for air duct connections according to claim 1, wherein: when the connecting end is inserted into the accommodating cavity, the outer surface of the connecting end is attached to the inner surface of the accommodating cavity.

11. The invisible flange for air duct connections according to claim 1, wherein: the connecting part is formed by combining a plurality of inserting strips in an end-to-end manner, and the shape of the connecting part is matched with the shape of the air pipe around the circumferential direction.

12. An air duct system, comprising a plurality of air ducts and a plurality of invisible flanges connecting two adjacent air ducts, the invisible flanges being as claimed in any one of claims 1 to 11.

13. The air duct system of claim 12, wherein: the air pipe comprises an outer layer forming the outer peripheral surface of the air pipe, an inner layer forming the inner peripheral surface of the air pipe and a heat insulation layer positioned between the outer layer and the inner layer, wherein the heat insulation layer is aerogel felt.

14. The air duct system of claim 12, wherein: the air pipe comprises an outer layer forming the peripheral surface of the air pipe, the outer layer is composed of a plurality of outer plates, two adjacent outer plates are respectively provided with a clamping groove and an inserting edge, and the two adjacent outer plates are connected through the insertion edge inserted into the clamping groove.