CN211599849U - Connecting device for ventilating duct - Google Patents
Connecting device for ventilating duct Download PDFInfo
- Publication number
- CN211599849U CN211599849U CN201921693323.8U CN201921693323U CN211599849U CN 211599849 U CN211599849 U CN 211599849U CN 201921693323 U CN201921693323 U CN 201921693323U CN 211599849 U CN211599849 U CN 211599849U
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- CN
- China
- Prior art keywords
- pipe
- connecting pipe
- spring
- upper connecting
- baffle
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- 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.)
- Expired - Fee Related
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model belongs to the technical field of the pipeline ventilation technique and specifically relates to an air pipe connecting device, go up even the pipe top and install the flange, just go up even socle end activity cover and be equipped with the internal thread pipe, link the socle end down and install the lower flange, link pipe top spiro union in the internal thread socle end down go up even under the pipe terminal surface and link down between the pipe up end level settle have the orifice plate, a plurality of gas pockets have vertically been seted up on the orifice plate go up even intraductal wall bottom and install the connecting piece of L shape through the bolt, the vertical first spring that is connected with in connecting piece bottom, first spring bottom horizontal welding has the briquetting, first spring is in compression state all the time, the vertical filter core of having placed of orifice plate upper surface, the briquetting compaction is in filter core up end both sides. The air flows from the lower connecting pipe to the upper connecting pipe, and can be filtered by the filter element when passing through the filter element, so that dust and water vapor are prevented from entering the ventilating pipeline and being attached and accumulated inside the pipeline to cause corrosion inside the ventilating pipeline.
Description
Technical Field
The utility model relates to a pipeline ventilation technical field especially relates to an air pipe connecting device.
Background
The ventilation pipeline is a metal or composite pipeline for ventilation and air conditioning engineering of industrial and civil buildings, and is a municipal infrastructure for circulating air and reducing the concentration of harmful gases. The air duct in the ventilating duct is made of plate material, section bar and other main finished product materials, which are in accordance with the regulations of the national current standard of design and related products, and the material is approved according to the national current relevant standard when entering the field by using the factory inspection qualification.
Ventilating duct inevitable can produce a lot of particulate matters and dust after long-time use, and these debris need in time lead away with ventilating duct, but some great particulate matters cause the jam of pipeline behind the entering ventilating duct easily, and the clearance is got up very troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the attachment inside the air conduit existing in the prior art is difficult to treat, and providing an air conduit connecting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a ventilation pipeline connecting device, includes and links pipe and lower link pipe, go up and link the pipe top and install the flange, just go up even socle end movable sleeve and be equipped with the internal thread pipe, link the socle end down and install the lower flange, link pipe top spiro union in the internal thread socle end down link pipe down the terminal surface and link down between the pipe up end level settle and have the orifice plate, a plurality of gas pockets have vertically been seted up on the orifice plate go up even intraductal wall bottom and install the connecting piece of L shape through the bolt, the vertical first spring that is connected with in connecting piece bottom, first spring bottom horizontal welding has the briquetting, first spring is in compression state all the time, the filter core has vertically been placed to the orifice plate upper surface, the briquetting compaction is in filter core up end both sides.
Preferably, go up even intraductal inboard top and install and prevent that the air current flows back the mechanism, prevent that the air current flows back the mechanism and include baffle, sealing strip, seal groove and second spring, baffle lateral wall one end is passed through the hinge and is rotated the connection and on last even intraductal wall, the baffle other end is glued there is the sealing strip, the seal groove corresponds with the sealing strip and offers on last even intraductal wall, the sealing strip is sealed in the seal groove, second spring one end articulates on the baffle bottom surface, and the other end articulates on last even intraductal wall.
Preferably, the second spring is always in a compressed state.
Preferably, the outer wall of the internal thread pipe is provided with anti-skid stripes.
The utility model provides a pair of air pipe connecting device, beneficial effect lies in: this air pipe connecting device is gaseous from the lower connecting pipe to the upper connecting pipe flow, can be filtered by it when empty it passes through the filter core, prevents that dust and steam from entering air pipe and inside adhesion accumulation in the pipeline, leads to inside to be corroded.
Drawings
Fig. 1 is a schematic structural view of a connecting device for ventilation ducts according to the present invention.
Fig. 2 is an enlarged view of a position a of the air duct connecting device provided by the present invention.
Fig. 3 is an enlarged view of a position B of the air duct connecting device according to the present invention.
In the figure: the filter comprises an upper connecting pipe 1, a lower connecting pipe 2, an upper flange 3, a lower flange 4, an internal threaded pipe 5, a pore plate 6, a filter element 7, a baffle plate 8, a sealing strip 9, a sealing groove 10, a second spring 11, a connecting piece 12, a bolt 13, a first spring 14 and a pressing block 15.
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.
Example 1
Referring to fig. 1-2, a ventilating duct connecting device comprises an upper connecting pipe 1 and a lower connecting pipe 2, wherein the top end of the upper connecting pipe 1 is provided with an upper flange 3, the bottom end of the upper connecting pipe 1 is movably sleeved with an internal threaded pipe 5, the bottom end of the lower connecting pipe 2 is provided with a lower flange 4, the top end of the lower connecting pipe 2 is screwed at the bottom end of the internal threaded pipe 5, the outer wall of the internal threaded pipe 5 is provided with anti-skid stripes, the internal threaded pipe 5 is used for connecting the upper connecting pipe 1 and the lower connecting pipe 2, when a filter element 7 is replaced and cleaned, the two connecting pipes can be detached by only rotating the internal threaded pipe 5, the outer side of the connecting pipe is vertically provided with the anti-skid stripes to prevent skidding during rotation, a pore plate 6 is horizontally arranged between the lower end surface of the upper connecting pipe 1 and the upper end surface of the lower connecting pipe 2, the pore plate 6 is vertically provided with a plurality of air holes, the, the horizontal welding of first spring 14 bottom has briquetting 15, and first spring 14 is in compression state all the time, and the filter core 7 has vertically been placed to orifice plate 6 upper surface, and the briquetting 15 compaction is in filter core 7 up end both sides. This device utilizes upper flange 3 and lower flange 4 and air pipe connection when the installation, and during the use, gaseous from connecting pipe 2 upwards connecting pipe flow down, can be filtered by it when empty it passes through filter core 7, prevents that dust and steam from entering into air pipe and at the inside attached accumulation of pipeline, leads to inside to be corroded.
Example 2
Referring to fig. 3, on the basis of the above embodiment 1, the airflow backflow preventing mechanism is installed at the top of the inner side of the upper connecting pipe 1, the airflow backflow preventing mechanism includes a baffle 8, a sealing strip 9, a sealing groove 10 and a second spring 11, one end of the side wall of the baffle 8 is rotatably connected to the inner side wall of the upper connecting pipe 1 through a hinge, the sealing strip 9 is glued to the other end of the baffle 8, the sealing groove 10 corresponds to the sealing strip 9 and is formed in the inner side wall of the upper connecting pipe 1, the sealing strip 9 is sealed in the sealing groove 10, one end of the second spring 11 is hinged to the bottom surface of the baffle 8, the other end of the second spring is hinged to the inner side wall of the. The airflow backflow preventing mechanism can prevent air from flowing back after being discharged through the upper connecting pipe 1, and particularly under the condition of strong wind, the phenomenon of airflow backflow and backflow is easily caused under the action of pressure difference due to large flow velocity of external airflow.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a ventilation pipe connecting device, includes connecting pipe (1) and connecting pipe (2) down, its characterized in that: an upper flange (3) is installed at the top end of the upper connecting pipe (1), an internal threaded pipe (5) is movably sleeved at the bottom end of the upper connecting pipe (1), a lower flange (4) is installed at the bottom end of the lower connecting pipe (2), the top end of the lower connecting pipe (2) is in threaded connection with the bottom end of the internal threaded pipe (5), a pore plate (6) is horizontally arranged between the lower end face of the upper connecting pipe (1) and the upper end face of the lower connecting pipe (2), a plurality of air holes are vertically formed in the pore plate (6), an L-shaped connecting piece (12) is installed at the bottom of the inner wall of the upper connecting pipe (1) through bolts (13), a first spring (14) is vertically connected at the bottom end of the connecting piece (12), a pressing block (15) is horizontally welded at the bottom end of the first spring (14), the first spring (14) is always in a compression state, and a filter element, the pressing block (15) is compacted on two sides of the upper end face of the filter element (7).
2. The ventilation duct connecting device according to claim 1, wherein the airflow backflow preventing mechanism is installed at the top of the inner side of the upper connecting pipe (1), the airflow backflow preventing mechanism comprises a baffle (8), a sealing strip (9), a sealing groove (10) and a second spring (11), one end of the side wall of the baffle (8) is rotatably connected to the inner side wall of the upper connecting pipe (1) through a hinge, the sealing strip (9) is glued to the other end of the baffle (8), the sealing groove (10) is correspondingly formed in the inner side wall of the upper connecting pipe (1) with the sealing strip (9), the sealing strip (9) is sealed in the sealing groove (10), one end of the second spring (11) is hinged to the bottom surface of the baffle (8), and the other end of the second spring is hinged to the inner side wall of the upper connecting pipe (1).
3. A ventilation duct connection according to claim 2, characterized in that the second spring (11) is always in compression.
4. A ventilation duct connecting device according to claim 1, characterized in that the outer wall of the internally threaded tube (5) is provided with anti-slip stripes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693323.8U CN211599849U (en) | 2019-10-11 | 2019-10-11 | Connecting device for ventilating duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693323.8U CN211599849U (en) | 2019-10-11 | 2019-10-11 | Connecting device for ventilating duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599849U true CN211599849U (en) | 2020-09-29 |
Family
ID=72585499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921693323.8U Expired - Fee Related CN211599849U (en) | 2019-10-11 | 2019-10-11 | Connecting device for ventilating duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046066A (en) * | 2022-08-16 | 2022-09-13 | 海门市正大电碳制品有限公司 | Air conditioner ventilating duct |
-
2019
- 2019-10-11 CN CN201921693323.8U patent/CN211599849U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046066A (en) * | 2022-08-16 | 2022-09-13 | 海门市正大电碳制品有限公司 | Air conditioner ventilating duct |
| CN115046066B (en) * | 2022-08-16 | 2022-11-22 | 海门市正大电碳制品有限公司 | Air conditioner ventilating duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211011 |