CN217503938U - Flexible connection structure for return air purification - Google Patents

Flexible connection structure for return air purification Download PDF

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Publication number
CN217503938U
CN217503938U CN202221536296.5U CN202221536296U CN217503938U CN 217503938 U CN217503938 U CN 217503938U CN 202221536296 U CN202221536296 U CN 202221536296U CN 217503938 U CN217503938 U CN 217503938U
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Prior art keywords
return air
air
flange
return
flexible cylinder
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CN202221536296.5U
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潘卫
孙志耀
钱珉敏
许凯枫
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Jiaxing Heyu Purification Technology Co ltd
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Jiaxing Heyu Purification Technology Co ltd
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Abstract

The utility model relates to a return air structure of tuber pipe machine especially relates to a soft connection structure of return air purification of tuber pipe machine. The first auxiliary sealing element is arranged on an air return opening metal plate of the air duct machine; the second auxiliary sealing piece is arranged on the air outlet metal plate of the return air purifying equipment; wherein, two auxiliary seal are through the flexible barrel intercommunication of tube-shape. The return air inlet of the air pipe machine is communicated with the air outlet of the return air purifying equipment through the flexible cylinder, and the problem that the return air purifying equipment is difficult to install when the return air inlet and the air pipe machine are staggered in the prior art is solved by utilizing the characteristic that the flexible cylinder is bendable; the two ends of the flexible cylinder are respectively inserted with the return air inlet of the air pipe machine and the air outlet of the return air purifying device through the adaptive insertion block, the insertion slot, the convex block and the buckling slot, so that the installation is convenient; the junction of the flexible cylinder body and the air return port of the air duct machine and the air outlet of the return air purifying equipment is clamped and sealed through U-shaped sealing clamping strips respectively, so that the pipeline joint is prevented from generating gaps, and the sealing effect is improved.

Description

Flexible connection structure for return air purification
Technical Field
The utility model relates to a return air structure of tuber pipe machine especially relates to a soft connection structure of return air purification of tuber pipe machine.
Background
When epidemic situation prevails, more and more people pay more attention to the indoor air purification problem, and various air-conditioning return air purification devices begin to be installed indoors. However, most of the existing suspended ceilings in the buildings are not provided with each room which is separated independently, namely, the space above the whole suspended ceiling is communicated with the rooms, so that the return air purifying equipment can suck a large amount of outside air when purifying the air, and the indoor purifying capacity of the return air purifying equipment is greatly influenced. Most of the existing return air purification equipment on the market has the following conditions:
1. the air outlet of the purifying equipment is connected with the air inlet of the air duct machine, a large gap exists between the air outlet of the purifying equipment and the air return inlet of the air duct machine, and a large amount of external air enters the room through the air duct machine without being purified in the working process of the return air purifying equipment, so that the indoor purifying capacity of the return air purifying equipment is greatly weakened;
2. the air outlet of the return air purification equipment is directly butted and fixed with the return air inlet of the air duct machine through screws;
3. connecting the air duct machine and the air return box by using fireproof cloth, and fixing the fireproof cloth by using screws;
4. and the air return box is arranged inside the air duct of the central air conditioner.
The disadvantages of the above-mentioned several cases exist:
1. the air outlet of the return air purification equipment is directly butted and fixed with the return air inlet of the air duct machine through screws, the return air purification equipment is very difficult to install when the return air inlet and the air duct machine are staggered, and the size of the air outlet of the return air box is in contrast with the size of the return air inlet of the air duct machine, so that the air outlet area of the return air purification equipment is greatly limited;
2. use fire prevention cloth to couple together tuber pipe machine and return air case, use the fixed fire prevention cloth of screw, still have a large amount of gaps between the screw, the operation in-process can inhale outside air, influences return air clarification plant's indoor purifying effect.
SUMMERY OF THE UTILITY MODEL
To the above circumstances and shortcoming, the utility model provides a soft connection structure that return air purifies now optimizes the not enough that exist among the prior art.
In order to achieve the purpose, the utility model is realized in the following way, and the utility model relates to a flexible connection structure for return air purification, which comprises a first auxiliary sealing element arranged on a return air inlet sheet metal of an air duct machine; the second auxiliary sealing piece is arranged on the air outlet metal plate of the return air purifying equipment; wherein the first auxiliary sealing element is communicated with the second auxiliary sealing element through a cylindrical flexible cylinder body.
Through adopting above-mentioned scheme, return air inlet and return air clarification plant of tuber pipe machine pass through flexible barrel intercommunication, utilize flexible barrel flexible characteristic to return air clarification plant installation difficulty when solving among the prior art return air inlet and tuber pipe machine dislocation problem.
In order to improve being connected between the return air inlet of flexible barrel and tuber pipe machine and installation convenience, the utility model discloses further set up, first auxiliary seal spare includes the connecting plate one that matches with the return air inlet shape of tuber pipe machine, this connecting plate one with the return air inlet panel beating bolted connection of tuber pipe machine, and be equipped with sealed the pad between the return air inlet panel beating of connecting plate one and tuber pipe machine, and be provided with flange one on the connecting plate terminal surface perpendicularly, be equipped with a plurality of slots on this flange one, and flexible barrel upper end lateral surface is equipped with the inserted block supporting with the slot, through the cooperation of inserted block and slot, can be connected the return air inlet high-speed of flexible barrel and tuber pipe machine.
In order to enhance the connection stability between the flexible cylinder and the air return inlet of the air duct machine, a first silica gel strip is fixedly connected to the outer side face of the upper end of the flexible cylinder, and the inserting blocks are uniformly distributed on the first silica gel strip.
In order to improve the connection structure and the whole air pipe machine's return air inlet of flexible barrel and tuber pipe machine's sealing performance, simultaneously for using the screw fixation fire prevention cloth among the optimization prior art, still there are a large amount of gaps between the screw, can inhale the outside air in the operation process, influence return air clarification plant's indoor purifying effect, further set up, the cladding of the part upper end of flexible barrel is on flange one, and the cladding has the sealed card strip of U type form in the outer joint of the part upper end of the flexible barrel on flange one, after the inserted block on the flexible barrel inserted in the slot, just use sealed card strip to carry out the centre gripping to flexible barrel and tuber pipe machine return air inlet junction and seal, thereby avoid the pipe connection department to appear the gap and improve sealed effect.
In order to seal the clamping effect of the clamping strip, the flange is further provided with a T-shaped section.
Furthermore, a plurality of elastic steel sheets with U-shaped closed cross sections are arranged in the sealing clamping strip, and meanwhile, two sides of the inner end surface of the sealing clamping strip are provided with symmetrical and downward-inclined flexible sheets.
Through the setting, the flange I is T type or J type, and at the sealed in-process of carrying out the joint, the sealed card strip of U type can be more firm joint on flange I, has further improved the stability of whole connection structure's sealed effect when improving the joint effect.
In order to improve being connected between the air outlet of flexible barrel and return air clarification plant and installation convenience, further set up, the second auxiliary seal spare includes the connecting plate two that matches with the air outlet shape of return air clarification plant, the panel beating bolted connection of this connecting plate two and return air clarification plant's air outlet, and be provided with flange two on the connecting plate terminal surface perpendicularly, this flange two and be equipped with a plurality of catching grooves, and the lower extreme outside of flexible barrel is equipped with the lug that matches with the catching groove, through the cooperation of lug and catching groove, can be with the air outlet quick connection of flexible barrel and return air clarification plant.
In order to enhance the connection stability between the flexible cylinder and the air outlet of the return air purification equipment, a second silica gel strip is fixedly connected to the outer side of the lower end of the flexible cylinder, and the lug is arranged on the second silica gel strip.
Meanwhile, in order to enhance the connection structure of the flexible cylinder body and the air outlet of the return air purification equipment and the sealing performance of the whole ventilation pipeline, the lower end part of the flexible cylinder body is further arranged to be coated on the second flange, the lower end part of the flexible cylinder body coated on the second flange is externally clamped with a U-shaped sealing clamping strip, and the section of the second flange is in a T shape. After the convex block on the second silica gel strip at the lower end of the flexible cylinder body is inserted into the buckling groove, the sealing clamping strip is used for clamping and sealing the air outlet joint of the flexible cylinder body and the return air purifying equipment, so that the pipeline joint is prevented from generating gaps, and the sealing effect is improved.
The utility model discloses beneficial effect: the return air inlet of the air duct machine is communicated with the air outlet of the return air purifying equipment through the flexible cylinder, and the problem that the return air purifying equipment is difficult to install when the return air inlet and the air duct machine are staggered in the prior art is solved by utilizing the characteristic that the flexible cylinder is bendable; the two ends of the flexible cylinder are respectively inserted with the return air inlet of the air pipe machine and the air outlet of the return air purifying device through the adaptive insertion block, the insertion slot, the convex block and the buckling slot, so that the installation is convenient; meanwhile, the joints of the flexible cylinder body and the air outlet of the return air inlet of the air duct machine and the air outlet of the return air purifying equipment are respectively clamped and sealed through U-shaped sealing clamping strips, so that the pipeline joints are prevented from being gapped, and the sealing effect is improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is the connection schematic diagram and a portion a enlarged view of the middle flexible cylinder and the return air inlet of the air duct machine of the present invention.
Fig. 3 is an exploded view of the flexible barrel of fig. 2 connected to the components of the return air inlet of the ducted air conditioner.
Fig. 4 is the utility model discloses well flexible barrel and return air clarification plant air outlet's connection schematic diagram and B portion enlarger.
Fig. 5 is an exploded view of the connection of the flexible barrel of fig. 4 to the components of the air outlet of the return air purification device.
Fig. 6 is a perspective view, a top view and a partial enlarged view of the flexible cylinder according to the present invention.
Fig. 7 is a schematic perspective view of the sealing strip of the present invention.
Fig. 8 is a cross-sectional view of the middle sealing clip strip of the present invention in a use state of being clipped on the first flange.
Fig. 9 is a sectional view showing a use state of the middle sealing clip strip of the present invention being engaged with the second flange.
Reference numerals: an air duct machine 10;
return air purification equipment 20;
the flexible cylinder 30, the insert block 31, the first silica gel strip 32, the bump 33 and the second silica gel strip 34;
the first auxiliary sealing element 40, the first connecting plate 41, the first flange 42 and the slot 43;
the second auxiliary sealing element 50, the second connecting plate 51, the second flange 52 and the buckle groove 53;
sealing clamping strip 60, elastic steel sheet 61 and flexible sheet 62.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The utility model discloses a concrete embodiment is as follows, refer to fig. 1 and show, the utility model relates to a soft connection structure that return air purifies, include:
a first auxiliary sealing member 40 disposed on the return air inlet sheet metal of the duct machine 10;
the second auxiliary sealing element 50 is arranged on an air outlet metal plate of the return air purifying equipment 20;
and a flexible cylinder 30 connected between the first auxiliary sealing member 40 and the second auxiliary sealing member 50, wherein an upper end of the flexible cylinder 30 is connected with the first auxiliary sealing member 40, a lower end of the flexible cylinder 30 is connected with the second auxiliary sealing member 50, and the first auxiliary sealing member 40 and the second auxiliary sealing member 50 are communicated through the flexible cylinder 30.
In the above embodiment, the flexible cylinder 30 may be made of PE film (non-drip film), PO film, PVC film, TPU film, etc., and the flexible cylinder is not limited to a certain material as long as it has high air tightness, flexibility, and aging resistance, and the length, width, and height of the flexible cylinder 30 may be cut according to the length and width of the air return opening of the air duct machine and the height difference between the air duct machine and the ceiling, and then the heat pressing device sealer is used to seal the height edge of the non-drip film, so as to ensure that the flexible cylinder 30 does not leak air.
In the above embodiment, the first auxiliary sealing element 40 is specifically configured, as shown in fig. 2 to fig. 3, the first auxiliary sealing element 40 includes a first connecting plate 41 matching the shape of the air return opening of the air duct machine 10, the first connecting plate 41 is bolted to the sheet metal of the air return opening of the air duct machine 10, a sealing gasket is disposed between the first connecting plate 41 and the sheet metal of the air return opening of the air duct machine, the sealing gasket is made of rubber, a first flange 42 is vertically disposed on an end surface of the first connecting plate 41, and the shape and size of the first flange 42 are substantially the same as those of the air return opening of the air duct machine, so that the inner wall of the first flange 42 and the air return opening of the air duct machine form a smooth flat path, and the air is circulated more smoothly.
In the above arrangement, in order to facilitate connection between the flexible cylinder 30 and the first auxiliary sealing element 40 at the air return inlet of the air duct machine, the first flange 42 is provided with a plurality of slots 43, the outer side surface of the upper end of the flexible cylinder 30 is provided with the insertion block 31 matched with the slots 43, the insertion block 31 can be adhered to the outer side of the flexible cylinder 30 close to the upper end, and when the installation is performed, the insertion block 31 is inserted into the slots 43 of the first flange 42 (refer to fig. 3).
In order to achieve the connection stability, the above embodiment is further configured such that the outer side surface of the upper end of the flexible cylinder 30 is fixedly connected with the first silicone strip 32, the inside of the first silicone strip 32 is coated with a back adhesive, the first silicone strip 32 is adhered to the upper end of the flexible cylinder 30 by the back adhesive, the insertion blocks 31 are uniformly distributed on the first silicone strip 32, the position of the insertion block 31 corresponds to the position of the slot 43 on the first flange 42, and the length of the silicone strip in this embodiment is substantially equal to the length of the first flange 42.
Meanwhile, in order to ensure the connection sealing performance between the flexible cylinder 30 and the first auxiliary sealing element 40, in actual operation, part of the upper end portion of the flexible cylinder 30 is covered on the first flange 42, and a U-shaped sealing clamping strip 60 is clamped outside part of the upper end portion of the flexible cylinder 30 covered on the first flange 42.
In the clamping process, the first flange 42 is in a T shape in cross section, so that the sealing clamping strip 60 is more tightly clamped with the first flange 42.
Wherein, a plurality of elastic steel sheets 61 with U-shaped cross sections are arranged in the sealing clamping strip 60, and meanwhile, two sides of the inner end surface of the sealing clamping strip 60 are provided with symmetrical and downward flexible sheets 62.
In the above embodiment, the sealing clip strip 60 is internally provided with the elastic steel sheet 61 in a closing shape for clamping, and the sealing clip strip 60 is more firmly clamped with the first flange 42, so that the connection sealing property between the upper end part of the flexible cylinder 30 and the first auxiliary sealing element 40 can be further improved; meanwhile, the inner end face of the vertical edge of the sealing clamping strip 60 is provided with the corresponding flexible sheet 62, when the sealing clamping strip 60 is clamped on the first flange 42, the included angle between the extruded flexible sheet 62 and the vertical edge of the sealing clamping strip 60 is reduced, and at the moment, the end part of the flexible sheet 62 can be abutted against the lower end face of the T-shaped structure of the first flange 42, so that the sealing clamping strip 60 cannot fall off from the first flange 42 to affect the connection sealing performance of the upper end part of the flexible cylinder 30 and the first auxiliary sealing element 40 (refer to fig. 8 specifically).
The utility model discloses in, the second auxiliary seal 50 is roughly the same with first auxiliary seal 40's specification, second auxiliary seal 50 includes connecting plate two 51 that matches with return air clarification plant 20's air outlet shape, the panel beating bolted connection of this connecting plate two 51 and return air clarification plant 20's air outlet, and be provided with flange two 52 on the connecting plate two 51 terminal surfaces perpendicularly, this flange two 52 and be equipped with a plurality of catching grooves 53, and the lower extreme outside of flexible barrel 30 is equipped with the lug 33 supporting with catching grooves 53, the lower extreme outside fixedly connected with second silica gel strip 34 of flexible barrel 30, and lug 33 then sets up on second silica gel strip 34.
The length of the second silicone strip 34 in the above embodiment is substantially equal to the length of the second flange 52.
In the above embodiment, part of the lower end of the flexible cylinder 30 is covered on the second flange 52, and part of the lower end of the flexible cylinder 30 covered on the second flange 52 is externally connected with the U-shaped sealing strip 60 in a clamping manner, wherein the second flange 52 has a T-shaped cross section. In the above embodiment, the sealing clip strip 60 is internally provided with the elastic steel sheet 61 in a closing shape for clamping, so that the sealing clip strip 60 is more firmly clamped with the second flange 52, and the connection sealing property between the lower end part of the flexible cylinder 30 and the second auxiliary sealing element 50 can be further improved; meanwhile, the inner end face of the vertical edge of the sealing clamping strip 60 is provided with the corresponding flexible sheet 62, when the sealing clamping strip 60 is clamped on the second flange 52, the included angle between the extruded flexible sheet 62 and the vertical edge of the sealing clamping strip 60 is reduced, and at the moment, the end part of the flexible sheet 62 can be abutted against the lower end face of the T-shaped structure of the second flange 52, so that the sealing clamping strip 60 cannot fall off from the second flange 52, and the connection sealing performance between the lower end part of the flexible cylinder 30 and the second auxiliary sealing element 50 is affected (refer to fig. 9 specifically).
In the above embodiments, the contact surfaces of the first silicone strip and the second silicone strip with the flange may be coated with adhesive to ensure the stability of the connection of the components.
In the above embodiments, the insertion block and the protrusion have the same specification, and both the insertion block and the protrusion are made of elastic materials, which can be rubber blocks to increase friction and improve connection stability.
In actual operation, firstly, the flexible cylinder 30 is cut according to the length and the width of the air return opening, the length and the width of the air inlet of the air duct machine and the height difference between the air duct machine and a ceiling, then the height edge of the flexible cylinder 30 is sealed by hot pressing equipment or a sealing device, so that air leakage does not occur on the side edge of the flexible cylinder 30, a silica gel strip matched with self-carried gum is adhered to the outer sides of the upper end part and the lower end part of the flexible cylinder 30 by utilizing the gum, and an insert block or a lug is arranged on the silica gel strip; then, according to the sizes of the return air inlet of the air duct machine and the air outlet of the return air purifying equipment, the connecting plate is installed at the positions of a return air inlet metal plate of the air duct machine and the air outlet metal plate of the return air purifying equipment through screw sealing gaskets; the insertion block at the upper part of the flexible cylinder 30 is inserted into the slot, and the projection at the lower end of the flexible cylinder 30 is inserted into the buckle slot. And finally, wrapping the upper end part and the lower end part of the flexible cylinder body 30 on the flange by using a sealing clamping strip, and clamping the flexible cylinder body outside the flange by using the sealing clamping strip.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a soft connection structure that return air purifies which characterized in that includes:
the first auxiliary sealing element (40) is arranged on an air return opening metal plate of the air duct machine (10);
the second auxiliary sealing piece (50) is arranged on an air outlet metal plate of the return air purification equipment (20);
wherein the first auxiliary seal (40) and the second auxiliary seal (50) are in communication through the flexible cylinder (30).
2. The return air purification flexible connection structure of claim 1, wherein the first auxiliary sealing element (40) comprises a first connection plate (41) matched with the shape of the return air inlet of the air duct machine (10), the first connection plate (41) is in bolt connection with a metal plate of the return air inlet of the air duct machine (10), a sealing gasket is arranged between the first connection plate (41) and the metal plate of the return air inlet of the air duct machine (10), a first flange (42) is vertically arranged on the end face of the first connection plate (41), a plurality of slots (43) are formed in the first flange (42), and an insertion block (31) matched with the slots (43) is arranged on the outer side face of the upper end of the flexible cylinder (30).
3. The soft connection structure for return air purification according to claim 2, wherein the outer side surface of the upper end of the flexible cylinder (30) is fixedly connected with a first silica gel strip (32), and the insertion blocks (31) are uniformly distributed on the first silica gel strip (32).
4. The soft connection structure for return air purification as claimed in claim 2, wherein a part of the upper end of the flexible cylinder (30) is wrapped on the first flange (42), and a U-shaped sealing clamping strip (60) is clamped outside the part of the upper end of the flexible cylinder (30) wrapped on the first flange (42).
5. A return air cleaning flexible connection according to claim 2 or 4, characterized in that the first flange (42) is T-shaped in cross-section.
6. The soft connection structure for return air purification according to claim 4, wherein a plurality of elastic steel sheets (61) with U-shaped closed cross sections are arranged in the sealing clamping strip (60), and symmetrical and downward-inclined flexible sheets (62) are arranged on two sides of the inner end surface of the sealing clamping strip (60).
7. The soft connection structure for return air purification according to claim 1, wherein the second auxiliary sealing element (50) comprises a second connection plate (51) matched with the shape of the return air inlet of the return air purification equipment (20), the second connection plate (51) is connected with a sheet metal bolt of the return air inlet of the return air purification equipment (20), a sealing gasket is arranged between the second connection plate (51) and the sheet metal of the return air inlet of the return air purification equipment (20), a second flange (52) is vertically arranged on the end surface of the second connection plate (51), a plurality of buckling grooves (53) are arranged on the second flange (52), and a convex block (33) matched with the buckling grooves (53) is arranged on the outer side of the lower end of the flexible cylinder (30).
8. The soft connection structure for return air purification according to claim 6, wherein a second silicone strip (34) is fixedly connected to the outer side of the lower end of the flexible cylinder (30), and the protrusion (33) is arranged on the second silicone strip (34).
9. The soft connection structure for return air purification as claimed in claim 7, wherein a part of the lower end part of the flexible cylinder (30) is wrapped on the second flange (52), and a U-shaped sealing strip (60) is clamped outside the part of the lower end part of the flexible cylinder (30) wrapped on the second flange (52).
10. A return air cleaning flexible connection as defined in claim 9 wherein said second flange (52) is T-shaped in cross-section.
CN202221536296.5U 2022-06-17 2022-06-17 Flexible connection structure for return air purification Active CN217503938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221536296.5U CN217503938U (en) 2022-06-17 2022-06-17 Flexible connection structure for return air purification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221536296.5U CN217503938U (en) 2022-06-17 2022-06-17 Flexible connection structure for return air purification

Publications (1)

Publication Number Publication Date
CN217503938U true CN217503938U (en) 2022-09-27

Family

ID=83339491

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221536296.5U Active CN217503938U (en) 2022-06-17 2022-06-17 Flexible connection structure for return air purification

Country Status (1)

Country Link
CN (1) CN217503938U (en)

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