CN216905712U - Flexible connection pipeline and air handling unit - Google Patents
Flexible connection pipeline and air handling unit Download PDFInfo
- Publication number
- CN216905712U CN216905712U CN202122755822.9U CN202122755822U CN216905712U CN 216905712 U CN216905712 U CN 216905712U CN 202122755822 U CN202122755822 U CN 202122755822U CN 216905712 U CN216905712 U CN 216905712U
- Authority
- CN
- China
- Prior art keywords
- guide part
- flow guide
- air
- air inlet
- air outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The application discloses a flexible connection pipeline which comprises an air inlet flow guide part, an air outlet flow guide part and a sealing sleeve; the sealing sleeve is made of soft materials; one end of the air inlet flow guide part is connected with an air inlet connecting part, and one end of the air outlet flow guide part is connected with an air outlet connecting part; the other end of the air inlet flow guide part is positioned in the other end of the air outlet flow guide part, and an annular space is formed between the other end of the air inlet flow guide part and the other end of the air outlet flow guide part; one end of the sealing sleeve is sleeved on the outer side surface of the air inlet flow guide part, and the other end of the sealing sleeve is sleeved on the outer side surface of the air outlet flow guide part; the air inlet guide part, the air outlet guide part and the sealing sleeve form a conveying air duct together. The connection structure can be connected in a staggered mode, has flexibility, and can be changed in a telescopic mode under the condition that connection stability is met.
Description
Technical Field
The application relates to the field of ventilation pipelines, in particular to a flexible connection pipeline and an air handling unit.
Background
In the construction of machine rooms, Air Handling Units (AHUs) are particularly important. An Air Handling Unit (AHU) is a centralized air handling system that originates from a forced hot air heating and ventilation system with centralized equipment and distributed heated air by air ducts. An AHU can be understood as a primary air return system whose basic operation is: after the fresh air outside the room is mixed with part of the return air in the room, harmful substances such as dust, smoke dust, black smoke, organic particles and the like in the air are filtered through a filter, so that the circulating air in the room is refrigerated.
Currently, there are many difficulties in the AHU construction process. In one case, the Air inlet of an Air Handling Unit (AHU) may have a height difference or a staggered arrangement, which brings difficulty to the diversion of the Air flow, and in another case, the distance between two Air outlets may also slightly change along with time due to the expansion and contraction of the connecting part at the Air outlet connected with the Air guiding pipeline, so that the universal pipeline is easy to leak in the using process, and the diversion of the Air flow is difficult.
At present, when hot air needs to be guided from one air outlet to another air inlet in an AHU, a gas guide device needs to be built at the two air outlets, in order to ensure that the gas does not leak during circulation, a customized connecting pipeline mode is usually adopted to connect the two air outlets with height difference or dislocation, so that the production cost is greatly increased, the fixed connecting piece has no elasticity, and if the distance between the two air outlets changes due to expansion caused by heat and contraction caused by cold, and the like, the fixed connecting piece has certain instability; at present, no connecting pipeline can be applied between two air ports with height difference or dislocation to guide air flow.
Disclosure of Invention
An object of this application is to provide a flexible connection pipeline and air treatment unit can carry out the dislocation connection to possess the elasticity, can stretch out and draw back the change under the condition that satisfies connection stability.
In order to achieve the above object, in one aspect, the present application provides a flexible connecting pipeline, including an air inlet guiding portion, an air outlet guiding portion, and a sealing sleeve; the sealing sleeve is made of soft materials;
one end of the air inlet flow guide part is connected with an air inlet connecting part, and one end of the air outlet flow guide part is connected with an air outlet connecting part;
the other end of the air inlet flow guide part is positioned inside the other end of the air outlet flow guide part, and an annular space is formed between the other end of the air inlet flow guide part and the other end of the air outlet flow guide part;
one end of the sealing sleeve is sleeved on the outer side surface of the air inlet flow guide part, and the other end of the sealing sleeve is sleeved on the outer side surface of the air outlet flow guide part; the air inlet guide part, the air outlet guide part and the sealing sleeve piece jointly form a conveying air duct.
As a further improvement of the above technical solution: the cross section of the sealing sleeve is trapezoidal; the small end of the sealing sleeve is connected with the outer side face of the air inlet flow guide portion, and the large end of the sealing sleeve is connected with the outer side face of the air outlet flow guide portion.
As a further improvement of the above technical solution: the inner side surface and the outer side surface of the sealing sleeve are respectively coated with a fireproof layer.
As a further improvement of the above technical solution: the sealing sleeve is elastic.
As a further improvement of the above technical solution: the two ends of the sealing sleeve are respectively provided with a connecting ring, each connecting ring is provided with a plurality of through holes, and the through holes are arranged at intervals along the side surface of the connecting ring;
as a further improvement of the above technical solution: the outer side surfaces of the air inlet flow guide part and the air outlet flow guide part are respectively provided with a plurality of threaded holes, and the threaded holes are respectively arranged corresponding to the through holes on the corresponding connecting rings; the connecting rings respectively penetrate through the corresponding through holes through a plurality of screws to be connected with the corresponding threaded holes.
As a further improvement of the above technical solution: and damping sealing parts are respectively arranged between the outer side surfaces of the air inlet flow guide part and the air outlet flow guide part and the corresponding connecting rings.
As a further improvement of the above technical solution: and a plurality of silencing holes are respectively formed in the side surface of the air inlet flow guide part.
As a further improvement of the above technical solution: the air inlet connecting part and the air outlet connecting part have the same structure; the air inlet connecting portion is a flange extending outwards from the air inlet flow guide portion, and a plurality of connecting holes are formed in the flange.
In order to achieve the above object, the present application also provides an air handling unit, which includes a plurality of the above flexible connecting pipes, wherein one end of the flexible connecting pipe is connected to the air inlet of the air handling unit.
As a further improvement of the above technical solution: the air inlet connecting part of one of the soft connecting pipelines is connected with the air outlet of the air handling unit; and the air outlet connecting part of the other soft connecting pipeline is connected with the air inlet of the air handling unit.
Therefore, according to the technical scheme provided by the application, the air conveying duct can be formed by the air inlet flow guide part, the air outlet flow guide part and the sealing sleeve together to guide air flow, and the annular space is reserved between the air inlet flow guide part and the air outlet flow guide part so that the air inlet flow guide part and the air outlet flow guide part can be relatively deviated to a certain extent, so that the air inlet flow guide part is suitable for air port connection with position deviation and is convenient to use; furthermore, a plurality of silencing holes are arranged on the side surface of the air inlet flow guide part so as to reduce the noise of the air flow in the formed conveying air duct; simultaneously, the outside coating of sealed external member has the flame retardant coating, can effectively isolated the flame source, avoids damaging.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an axial view of a flexible coupling line in one embodiment provided herein;
FIG. 2 is a schematic half-sectional view of a flexible connecting line according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an isometric view of an air intake guide in one embodiment provided herein;
in the figure: 1. an air inlet guide part; 11. a silencing hole; 2. an air outlet flow guide part; 3. a sealing sleeve; 31. a connecting ring; 32. a through hole; 4. an air inlet connecting part; 41. connecting holes; 5. an air outlet connecting part; 6. an annular space.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. Terms such as "upper," "above," "lower," "below," "first end," "second end," "one end," "another end," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Furthermore, the terms "mounted", "disposed", "provided", "connected", "slidably connected", "fixed" and "sleeved" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
There are many difficulties in the AHU set-up process. In one case, the Air inlet of an Air Handling Unit (AHU) may have a height difference or a staggered arrangement, which brings difficulty to the diversion of the Air flow, and in another case, the distance between two Air outlets may also slightly change along with time due to the expansion and contraction of the connecting part at the Air outlet connected with the Air guiding pipeline, so that the universal pipeline is easy to leak in the using process, and the diversion of the Air flow is difficult.
At present, when hot air needs to be guided from one air outlet to another air inlet in an AHU, a gas guide device needs to be built at the two air outlets, in order to ensure that the gas does not leak during circulation, a customized connecting pipeline mode is usually adopted to connect the two air outlets with height difference or dislocation, so that the production cost is greatly increased, the fixed connecting piece has no elasticity, and if the distance between the two air outlets changes due to expansion caused by heat and contraction caused by cold, and the like, the fixed connecting piece has certain instability; at present, no connecting pipeline can be applied between two air ports with height difference or dislocation to guide air flow.
Therefore, it is an urgent problem to solve the problem that the connection pipe can be connected in a misaligned manner, has stretchability, and can be changed in expansion and contraction while satisfying connection stability.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. It should be apparent that the embodiments described in this application are only some embodiments of the present application, and not all embodiments of the present application. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.
In an implementable embodiment, as shown in fig. 1 to 4, a flexible connecting pipeline is provided, comprising an air inlet guide part 1, an air outlet guide part 2 and a sealing sleeve 3; the sealing sleeve 3 is made of soft materials, so that the sealing sleeve 3 has certain deformability, and when the distance between the air inlet guide part 1 and the air outlet guide part 2 changes or the positions of the air inlet guide part and the air outlet guide part are staggered, the sealing sleeve 3 can change along with the change; one end of the air inlet flow guide part 1 is connected with an air inlet connecting part 4, and one end of the air outlet flow guide part 2 is connected with an air outlet connecting part 5; the other end of the air inlet flow guide part 1 is positioned inside the other end of the air outlet flow guide part 2, and an annular space 6 is formed between the other end of the air inlet flow guide part 1 and the other end of the air outlet flow guide part 2; one end of the sealing sleeve 3 is sleeved on the outer side surface of the air inlet flow guide part 1, and the other end of the sealing sleeve 3 is sleeved on the outer side surface of the air outlet flow guide part 2; the air inlet flow guiding part 1, the air outlet flow guiding part 2 and the sealing sleeve 3 jointly form a conveying air duct, wherein airflow flows from the air inlet flow guiding part 1 to the air outlet flow guiding part 2 as required according to the figure 2.
In practical application, the shapes of the air inlet flow guide part 1, the air outlet flow guide part 2, the air inlet connecting part 4 and the air outlet connecting part 5 are correspondingly selected according to air ports required to be connected, and the most common cross section is rectangular or circular; during the use, the one end of air inlet water conservancy diversion portion 1 is passed through air inlet connecting portion 4 and is connected in air inlet department, the one end of air outlet water conservancy diversion portion 2 is passed through air outlet connecting portion 5 and is connected in air outlet department, and adopt sealed external member 3 to seal the handing-over department of air inlet water conservancy diversion portion 1 and air outlet water conservancy diversion portion 2, thereby form sealed transport wind channel, and because sealed external member 3 adopts soft materials to constitute, certain compliance has, reserve annular space 6 between the junction according to air inlet water conservancy diversion portion 1 and air outlet water conservancy diversion portion 2 again, thereby allow air inlet water conservancy diversion portion 1 and air outlet water conservancy diversion portion 2 can take place dislocation and distance change to a certain extent.
It should be noted that the above-mentioned dislocation in a certain degree refers to the dislocation of the air inlet guide part 1 and the air outlet guide part 2 in the allowable range of the annular space 6; the above-mentioned certain distance variations refer to the maximum and minimum length of expansion allowed by the sealing sleeve 3; when dislocation and distance increase or reduce take place at air inlet water conservancy diversion portion 1 and air outlet water conservancy diversion portion 2, need to guarantee that the other end of air inlet water conservancy diversion portion 1 is located inside the other end of air outlet water conservancy diversion portion 2, thereby the realization is to carrying out inside supporting to the pipeline that forms wholly, thereby avoid sealed external member 3 to take place to buckle and prevent that the air current from directly blowing to sealed external member 3 and lead to sealed external member 3 atress too big emergence damage or take place to break away from with air inlet water conservancy diversion portion 1 and air outlet water conservancy diversion portion 2, produce the influence that blocks up or pipeline transport bore reduces to the pipeline.
In an implementation manner, since the other end of the air inlet guiding portion 1 needs to be located inside the other end of the air outlet guiding portion 2, the aperture of the other end of the air inlet guiding portion 1 is smaller than the aperture of the other end of the air outlet guiding portion 2, and in order to ensure the sealing performance after connection of the sealing sleeve 3, the cross section of the sealing sleeve 3 is made to be trapezoidal in an optimal manner, so that the aperture of the connection part between the air inlet guiding portion 1 and the air outlet guiding portion 2 corresponds to each other, the sealing performance is ensured, and the connection is facilitated.
In practical application, the small end of the sealing sleeve 3 is connected with the outer side surface of the air inlet flow guide part 1, and the large end of the sealing sleeve 3 is connected with the outer side surface of the air outlet flow guide part 2; specifically, two ends of the sealing sleeve 3 are respectively provided with a connecting ring 31, each connecting ring 31 is provided with a plurality of through holes 32, and the through holes 32 are arranged at intervals along the side surface of the connecting ring 31; the outer side surfaces of the air inlet flow guide part 1 and the air outlet flow guide part 2 are respectively provided with a plurality of threaded holes, and the threaded holes are respectively arranged corresponding to the through holes 32 on the corresponding connecting rings 31; the connection rings 31 are respectively connected with the corresponding screw holes by a plurality of screws respectively passing through the corresponding through holes 32. It should be mentioned that the connection ring 31 can be made of the pressing strips coated at the two ends of the sealing sleeve 3, the sealing sleeve 3 can be made of silica gel, and has flexibility and elasticity, and the distance between the air inlet flow guiding part 1 and the air outlet flow guiding part 2 can be increased within the elastic range.
Further, the inside and outside surface of the sealing sleeve 3 should be coated with a fireproof layer respectively, so as to avoid the ignition of the sealing sleeve 3 caused by high temperature and the generation of fire hazard.
In an achievable embodiment, in order to guarantee the connection stability and the sealing performance of the sealing kit 3, the damping sealing elements are respectively arranged between the outer side surfaces of the air inlet guide part 1 and the air outlet guide part 2 and the corresponding connecting rings 31, and the damping sealing elements can adopt rubber rings.
Most preferably, in order to reduce the noise effect, a plurality of silencing holes 11 are respectively formed in the side surface of the air inlet guide part 1, and the wind noise generated by the air flow transmitted inside is reduced through the silencing holes 11.
In an realizable embodiment, the air inlet connection 4 and the air outlet connection 5 are identical in structure; the air inlet connecting part 4 is a flange extending outwards from the air inlet guide part 1, a plurality of connecting holes 41 are formed in the flange, and the air inlet connecting part 4 is arranged corresponding to a seal needing to be connected and penetrates through the connecting holes 41 to be fixedly connected through a bolt assembly; in practical application, air inlet connecting portion 4 and air inlet water conservancy diversion portion 1 adopt the integral type design, and it adopts a whole board of bending, thereby adopts and bends to time and form air inlet connecting portion 4 and air inlet water conservancy diversion portion 1 in this application, and on the same principle, air-out connecting portion 5 and air-out water conservancy diversion portion 2 are made according to this mode equally.
Based on the same inventive concept, the application also provides an air handling unit, which comprises the soft connection pipeline, wherein one end of the soft connection pipeline is connected to an air inlet of the air handling unit; the air inlet connecting part 4 of one of the soft connecting pipelines is connected with the air outlet of the air handling unit; and the air outlet connecting part 5 of the other flexible connecting pipeline is connected with an air inlet of the air handling unit.
In practical application, the air handling unit has four air ports, which are respectively an inner circulation air inlet, an inner circulation air outlet, an outer circulation air inlet and an outer circulation air outlet, in the using process, the outer circulation air inlet is directly subjected to air inlet operation with outside air without being connected with a transmission pipeline, the inner circulation air inlet, the inner circulation air outlet and the outer circulation air outlet are selectively connected with a flexible connection pipeline according to actual use conditions, the air inlet of the air handling unit is connected with the air outlet connection part 5 of the flexible connection pipeline, and the air outlet of the air handling unit is connected with the air inlet connection part 4.
Therefore, according to the technical scheme provided by the application, the air conveying duct can be formed by the air inlet flow guide part, the air outlet flow guide part and the sealing sleeve together to guide air flow, and the annular space is reserved between the air inlet flow guide part and the air outlet flow guide part so that the air inlet flow guide part and the air outlet flow guide part can be relatively deviated to a certain extent, so that the air inlet flow guide part is suitable for air port connection with position deviation and is convenient to use; furthermore, a plurality of silencing holes are arranged on the side surface of the air inlet flow guide part so as to reduce the noise of the air flow in the formed conveying air duct; simultaneously, the outside coating of sealed external member has the flame retardant coating, can effectively isolated the flame source, avoids damaging.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A flexible connection pipeline is characterized by comprising an air inlet flow guide part (1), an air outlet flow guide part (2) and a sealing sleeve (3); the sealing sleeve (3) is made of soft materials;
one end of the air inlet flow guide part (1) is connected with an air inlet connecting part (4), and one end of the air outlet flow guide part (2) is connected with an air outlet connecting part (5);
the other end of the air inlet flow guide part (1) is positioned inside the other end of the air outlet flow guide part (2), and an annular space (6) is formed between the other end of the air inlet flow guide part (1) and the other end of the air outlet flow guide part (2);
one end of the sealing sleeve (3) is sleeved on the outer side surface of the air inlet flow guide part (1), and the other end of the sealing sleeve (3) is sleeved on the outer side surface of the air outlet flow guide part (2); the air inlet flow guide part (1), the air outlet flow guide part (2) and the sealing sleeve piece (3) jointly form a conveying air duct.
2. The flexible connection line according to claim 1, characterized in that the cross section of the sealing sleeve (3) is trapezoidal; the small end of the sealing sleeve (3) is connected with the outer side face of the air inlet flow guide portion (1), and the large end of the sealing sleeve (3) is connected with the outer side face of the air outlet flow guide portion (2).
3. The flexible connecting line according to claim 1, characterized in that the inner and outer sides of the sealing sleeve (3) are coated with a fire-resistant layer, respectively.
4. The flexible connection line according to claim 1, characterized in that the sealing sleeve (3) is elastic.
5. The flexible connecting pipeline according to any one of claims 1 to 4, characterized in that the sealing sleeve (3) is provided with connecting rings (31) at two ends respectively, each connecting ring (31) is provided with a plurality of through holes (32), and the through holes (32) are arranged at intervals along the side surfaces of the connecting ring (31);
the outer side surfaces of the air inlet flow guide part (1) and the air outlet flow guide part (2) are respectively provided with a plurality of threaded holes, and the threaded holes are respectively arranged corresponding to the through holes (32) on the corresponding connecting rings (31); the connecting rings (31) are respectively connected with the corresponding threaded holes through a plurality of screws respectively penetrating through the corresponding through holes (32).
6. The flexible connecting pipeline according to claim 5, characterized in that a damping sealing element is respectively arranged between the outer side surfaces of the air inlet guide part (1) and the air outlet guide part (2) and the corresponding connecting ring (31).
7. The flexible connecting pipeline according to claim 1, characterized in that the side surfaces of the air inlet guide part (1) are respectively provided with a plurality of silencing holes (11).
8. The flexible connecting pipeline according to claim 1, characterized in that the air inlet connecting part (4) and the air outlet connecting part (5) have the same structure; the air inlet connecting portion (4) is a flange extending outwards from the air inlet flow guide portion (1), and a plurality of connecting holes (41) are formed in the flange.
9. An air handling unit comprising a plurality of flexible connecting lines as claimed in any one of claims 1 to 8, one end of said flexible connecting lines being connected to a tuyere of said air handling unit.
10. Air handling unit according to claim 9, wherein the inlet connection (4) of one of the flexible connections is connected to the outlet of the air handling unit; and the air outlet connecting part (5) of the other soft connecting pipeline is connected with the air inlet of the air handling unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755822.9U CN216905712U (en) | 2021-11-11 | 2021-11-11 | Flexible connection pipeline and air handling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755822.9U CN216905712U (en) | 2021-11-11 | 2021-11-11 | Flexible connection pipeline and air handling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216905712U true CN216905712U (en) | 2022-07-05 |
Family
ID=82200740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122755822.9U Active CN216905712U (en) | 2021-11-11 | 2021-11-11 | Flexible connection pipeline and air handling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216905712U (en) |
-
2021
- 2021-11-11 CN CN202122755822.9U patent/CN216905712U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216905712U (en) | Flexible connection pipeline and air handling unit | |
| CN205425342U (en) | New trend pipe -line system | |
| GB2501867A (en) | Acoustic attenuator for ventilating unit | |
| WO2023231467A1 (en) | Fresh air duct assembly, and air conditioner having fresh air function | |
| CN116113202A (en) | Flexible connecting pipeline and air treatment unit | |
| CN215928785U (en) | Butt-joint mechanism of air conditioner pipeline | |
| CN113175718A (en) | Multi-branch air quantity distribution method of environment control system and environment control system | |
| KR100870924B1 (en) | A distributing apparatus for the ventilation system | |
| KR200463265Y1 (en) | Air-conditioner | |
| CN216468414U (en) | Arrangement structure of ventilating pipe system at top of ceiling of centralized control room in ship engine room | |
| CN117154576A (en) | Cold air noise reduction and ventilation device of large power distribution cabinet | |
| CN210106257U (en) | Noise reduction device of silencer for matrix type fan of air conditioning unit | |
| CN207455775U (en) | A kind of full corrugated connecting tube | |
| CN215872162U (en) | Automatically controlled box and air conditioner | |
| CN218976142U (en) | Dry air insulation ring main unit | |
| CN107605800A (en) | Blower fan is flexible coupling and blower fan | |
| CN218229387U (en) | Ventilation tail end, air conditioning system and passenger ship | |
| CN216201468U (en) | Heating and ventilation air conditioner pipeline structure convenient to butt joint installation fast | |
| CN109915679B (en) | Multi-pipe quick connector and combustion furnace | |
| CN208951465U (en) | A kind of modularization pipeline group system for conveying high-temperature gas | |
| CN211343412U (en) | Axial flow fan | |
| CN219655517U (en) | Spiral duct for central air conditioner | |
| CN219102300U (en) | Textile air pipe with heat preservation and air guide functions | |
| CN209892934U (en) | Right-angle turning structure of double-wall corrugated pipe | |
| KR200241662Y1 (en) | Duct connecting pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |