CN111701958A - Durable ventilation pipe convenient to installation - Google Patents
Durable ventilation pipe convenient to installation Download PDFInfo
- Publication number
- CN111701958A CN111701958A CN202010390434.2A CN202010390434A CN111701958A CN 111701958 A CN111701958 A CN 111701958A CN 202010390434 A CN202010390434 A CN 202010390434A CN 111701958 A CN111701958 A CN 111701958A
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- Prior art keywords
- dust
- pipeline main
- pipeline
- durable
- main body
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 93
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 239000011247 coating layer Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910001037 White iron Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A durable and easy-to-install ventilation pipe relates to the improvement of ventilation pipes of industrial and civil buildings, in particular to the improvement of a durable and easy-to-install ventilation pipe. The pipeline main body is a thin-wall mechanism, the pipeline connecting mechanism comprises two fixing pieces, a sealing ring and a fixing ring, and the two fixing pieces are respectively fixed on the end faces of the pipeline main bodies at the two connected sides; a sealing ring is arranged between the two fixing pieces, the fixing pieces are vertical to the pipeline main body, and the fixing ring is sleeved on the outer sides of the two fixing pieces; the dust removal mechanism is arranged at the corner of the pipeline main body, and the dust removal mechanism is arranged at the air outlet end of the corner; the dust removal mechanism runs through and sets up in the pipeline main part, and dust removal mechanism contains a plurality of dust absorption poles, scrapes dirt board, dust collection box, and a plurality of dust absorption poles are fixed to run through in the pipeline main part, have cup jointed the scrapes dirt board on the dust absorption pole, and the both ends of scraping dirt board are provided with the control lever, and the bottom of two control levers is equipped with the holding rod. The invention has convenient and quick installation and good sealing effect; the ventilation pipe is provided with a dust removing and collecting device, so that the dust content in the ventilation pipeline can be greatly reduced, and the service life of the pipeline is prolonged.
Description
Technical Field
The invention relates to an improvement of a ventilation pipeline of an industrial and civil building, in particular to an improvement of a durable and convenient-to-install ventilation pipeline.
Background
The ventilation pipeline is a municipal infrastructure for circulating air and reducing the concentration of harmful gases. The ventilation pipe, the plate and the section used for manufacturing and installing the ventilation pipe and the air pipe and other main finished product materials meet the regulations of the national current standard of design and related products, and are proved by factory inspection to be qualified, and the materials are inspected and accepted according to the national current related standard when entering the field. The ventilating duct is divided into the following parts by material: generally, the following are provided: steel plate air pipes (common steel plates), galvanized plate (white iron) air pipes, stainless steel ventilation pipes, glass fiber reinforced plastic ventilation pipes, composite material ventilation pipes, color steel sandwich heat-preservation plate ventilation pipes, double-sided aluminum foil heat-preservation ventilation pipes, single-sided color steel heat-preservation air pipes, rubberized cloth ventilation pipes (such as mining air pipes), mining plastic ventilation pipes and the like.
The main problems of the existing industrial civil building ventilation pipeline are as follows: 1. common air pipe is in the installation in use, and installation and clamping technology are complicated, need consume a large amount of manual works and man-hour, and the sealed effect of pipeline junction is poor, causes various leakages easily. 2. The common ventilating duct is not provided with a dust removal device, a large amount of dust can be accumulated in the long-term operation of the ventilating duct, particularly, the dust is easily accumulated at the corners, the long-term accumulation of the dust can corrode and damage the wall of the ventilating duct, and the service life of the ventilating duct can be greatly shortened.
Disclosure of Invention
The invention aims to provide a durable and convenient-to-install ventilation pipe aiming at the defects and shortcomings of the prior art, and the ventilation pipe is convenient and quick to install and good in sealing effect; the ventilation pipe is provided with a dust removing and collecting device, so that the dust content in the ventilation pipeline can be greatly reduced, and the service life of the pipeline is prolonged.
In order to achieve the purpose, the invention adopts the following technical scheme: the pipeline connecting mechanism 2 comprises two fixing sheets 21, a sealing ring 22 and a fixing ring 23, wherein the two fixing sheets 21 are respectively fixed on the end surfaces of the pipeline main bodies 1 at two sides to be connected; a sealing ring 22 is arranged between the two fixing pieces 21, the fixing pieces 21 are vertical to the pipeline main body 1, and the fixing ring 23 is sleeved on the outer sides of the two fixing pieces 21; the dust removing mechanism 3 is arranged at the corner of the pipeline main body 1, and the dust removing mechanism 3 is arranged at the air outlet end of the corner; the dust removal mechanism 3 runs through and sets up in pipeline main part 1, and the dust removal mechanism 3 contains a plurality of dust absorption poles 31, scraping board 32, dust collection box 33, and a plurality of dust absorption poles 31 are fixed to run through in pipeline main part 1, has cup jointed scraping board 32 on the dust absorption pole 31, and the both ends of scraping board 32 are provided with control lever 33, and the bottom of two control levers 33 is equipped with holding rod 34.
Pipeline main part 1 and stationary blade 21 fixed connection department, the edge of pipeline main part 1 is provided with outside hem 11, the fixed cup of stationary blade 21 is connected at pipeline main part 1 and is closely laminated with outside hem 11.
The outer side of the sealing ring 22 extends outwards and overflows the extension of the fixing piece 21. This can make sealing ring 22 play sealed effect simultaneously, can let retainer plate 23 wrap up on sealing ring 22 and flatten sealing ring 2, play the effect of shock attenuation and further sealing.
The fixing plate 21 is of a circular ring structure, and a plurality of connecting holes 211 are uniformly formed in the ring plate of the fixing plate 21. The two fixing pieces 21 are respectively fixed on the pipeline main body 1 at two sides, the two fixing pieces 21 can correspond to each other through the connecting holes 211, the two connecting holes 211 can be simply fixed through fixing screws or rivets, and then the fixing ring 23 at the outer side is used for reinforcement, so that the connection stability is ensured. In a relatively simple application scene or a scene needing cost reduction, the outer fixing ring 23 can be eliminated, and the installation and use cost is reduced while the connection effect is achieved.
The cross section of retainer plate 23 is V-arrangement structure, and the bottom in cross section is outside planar structure, and retainer plate 23 is open structure, and the open end both sides of retainer plate 23 are provided with bolted connection piece 231 respectively, and bolted connection piece 231's bottom welds on the surface of retainer plate 23, and bolted connection piece 231's upper portion is perpendicular mutually with retainer plate 23, and two bolted connection pieces 231 connect the fastening through fastening bolt 232. After the fixing ring 23 is wrapped and fastened on the two fixing plates 21, the fixing ring is fixedly connected through the fastening bolt 232, and the fixing ring 23 can be adjusted through the fastening bolt 232.
The middle part of the control rod 33 is provided with a limit stop 331. The limit stop 331 can ensure that the dust scraping plate 32 does not fall off during the moving process, and ensure the mutual moving range.
The bottom of the dust collection box 33 is provided with a dust outlet cover 35. After the dust scraping plate 32 scrapes off the dust from the dust suction rod 31, the dust is cleaned out of the ventilation duct through the dust outlet cover 35.
The inner wall of the pipeline main body 1 is provided with a coating layer. The coating film on the inner wall can reduce the oxidation and corrosion influence of the pipeline main body, thereby prolonging the service life of the pipeline.
The invention can be applied to different application scenes, and can properly add the dust removal mechanism 3 to remove dust from the air in the ventilation pipe in the scenes with severe environment and large dust content, thereby ensuring the service life of the ventilation pipe, reducing the accumulation of dust and prolonging the service life of the pipeline. But also can simply purify the outside air; the holding rod 34 pulls the dust scraping plate 32 to move up and down to scrape the carriage return on the dust collecting rod 31 into the dust collecting box 33, and then the dust is cleaned through the dust outlet cover 35.
In the invention, two fixing pieces 21 are respectively fixed on the pipeline main body 1 at two sides, the two fixing pieces 21 can correspond to each other through the connecting holes 211, the two connecting holes 211 can be simply fixed through fixing screws or rivets, and then the fixing rings 23 at the outer sides are used for reinforcing, thereby ensuring the stability of connection. In a relatively simple application scene or a scene needing cost reduction, the outer fixing ring 23 can be eliminated, and the installation and use cost is reduced while the connection effect is achieved.
After the technical scheme is adopted, the invention has the beneficial effects that: the installation is convenient and quick, and the sealing effect is good; the ventilation pipe is provided with a dust removing and collecting device, so that the dust content in the ventilation pipeline can be greatly reduced, and the service life of the pipeline is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the connection structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the fixing sheet 21 according to the present invention;
FIG. 4 is a schematic view of the structure of the retainer ring 23 of the present invention;
FIG. 5 is a schematic structural view of example 2 of the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5;
FIG. 7 is a schematic view showing the installation position of the dust removing mechanism 3 according to the present invention;
fig. 8 is a schematic structural view of the dust removing mechanism 3 of the present invention.
Description of reference numerals: the dust collecting device comprises a pipeline main body 1, a pipeline connecting mechanism 2, a dust removing mechanism 3, a fixing sheet 21, a sealing ring 22, a fixing ring 23, a fixing sheet 21, a dust collecting rod 31, a dust scraping plate 32, a dust collecting box 33, a holding rod 34, a dust outlet cover 35, a folded edge 11, a connecting hole 211, a bolt connecting sheet 231, a fastening bolt 232 and a limit stop 331.
Detailed Description
As shown with reference to fig. 1-8;
example 1
The pipeline connecting mechanism 2 comprises two fixing pieces 21, a sealing ring 22 and a fixing ring 23, wherein the two fixing pieces 21 are respectively fixed on the end surfaces of the pipeline main bodies 1 at two sides to be connected; a sealing ring 22 is arranged between the two fixing pieces 21, the fixing pieces 21 are vertical to the pipeline main body 1, and the fixing ring 23 is sleeved on the outer sides of the two fixing pieces 21; the dust removing mechanism 3 is arranged at the corner of the pipeline main body 1, and the dust removing mechanism 3 is arranged at the air outlet end of the corner; the dust removal mechanism 3 runs through and sets up in pipeline main part 1, and the dust removal mechanism 3 contains a plurality of dust absorption poles 31, scraping board 32, dust collection box 33, and a plurality of dust absorption poles 31 are fixed to run through in pipeline main part 1, has cup jointed scraping board 32 on the dust absorption pole 31, and the both ends of scraping board 32 are provided with control lever 33, and the bottom of two control levers 33 is equipped with holding rod 34.
Pipeline main part 1 and stationary blade 21 fixed connection department, the edge of pipeline main part 1 is provided with outside hem 11, the fixed cup of stationary blade 21 is connected at pipeline main part 1 and is closely laminated with outside hem 11.
The outer side of the sealing ring 22 extends outwards and overflows the extension of the fixing piece 21. This can make sealing ring 22 play sealed effect simultaneously, can let retainer plate 23 wrap up on sealing ring 22 and flatten sealing ring 2, play the effect of shock attenuation and further sealing.
The fixing plate 21 is of a circular ring structure, and a plurality of connecting holes 211 are uniformly formed in the ring plate of the fixing plate 21. The two fixing pieces 21 are respectively fixed on the pipeline main body 1 at two sides, the two fixing pieces 21 can correspond to each other through the connecting holes 211, the two connecting holes 211 can be simply fixed through fixing screws or rivets, and then the fixing ring 23 at the outer side is used for reinforcement, so that the connection stability is ensured. In a relatively simple application scene or a scene needing cost reduction, the outer fixing ring 23 can be eliminated, and the installation and use cost is reduced while the connection effect is achieved.
The cross section of retainer plate 23 is V-arrangement structure, and the bottom in cross section is outside planar structure, and retainer plate 23 is open structure, and the open end both sides of retainer plate 23 are provided with bolted connection piece 231 respectively, and bolted connection piece 231's bottom welds on the surface of retainer plate 23, and bolted connection piece 231's upper portion is perpendicular mutually with retainer plate 23, and two bolted connection pieces 231 connect the fastening through fastening bolt 232. After the fixing ring 23 is wrapped and fastened on the two fixing plates 21, the fixing ring is fixedly connected through the fastening bolt 232, and the fixing ring 23 can be adjusted through the fastening bolt 232.
The middle part of the control rod 33 is provided with a limit stop 331. The limit stop 331 can ensure that the dust scraping plate 32 does not fall off during the moving process, and ensure the mutual moving range.
The bottom of the dust collection box 33 is provided with a dust outlet cover 35. After the dust scraping plate 32 scrapes off the dust from the dust suction rod 31, the dust is cleaned out of the ventilation duct through the dust outlet cover 35.
The inner wall of the pipeline main body 1 is provided with a coating layer. The coating film on the inner wall can reduce the oxidation and corrosion influence of the pipeline main body, thereby prolonging the service life of the pipeline.
Example 2
The present embodiment is different from embodiment 1 in that openings at two ends of the fixing ring 23 are respectively provided with a manual locking clamping seat 233 and a wrench end 234, and the wrench segment 234 is provided with a rotatable connecting column 235. A fixed end of connecting post 235 is pulled past the card holder. The manual locking clamping seat 233 is convenient to lock and quick to open.
The invention can be applied to different application scenes, and can properly add the dust removal mechanism 3 to remove dust from the air in the ventilation pipe in the scenes with severe environment and large dust content, thereby ensuring the service life of the ventilation pipe, reducing the accumulation of dust and prolonging the service life of the pipeline. But also can simply purify the outside air; the holding rod 34 pulls the dust scraping plate 32 to move up and down to scrape the carriage return on the dust collecting rod 31 into the dust collecting box 33, and then the dust is cleaned through the dust outlet cover 35.
In the invention, two fixing pieces 21 are respectively fixed on the pipeline main body 1 at two sides, the two fixing pieces 21 can correspond to each other through the connecting holes 211, the two connecting holes 211 can be simply fixed through fixing screws or rivets, and then the fixing rings 23 at the outer sides are used for reinforcing, thereby ensuring the stability of connection. In a relatively simple application scene or a scene needing cost reduction, the outer fixing ring 23 can be eliminated, and the installation and use cost is reduced while the connection effect is achieved.
After the technical scheme is adopted, the invention has the beneficial effects that: the installation is convenient and quick, and the sealing effect is good; the ventilation pipe is provided with a dust removing and collecting device, so that the dust content in the ventilation pipeline can be greatly reduced, and the service life of the pipeline is prolonged.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A durable ventilation pipe of being convenient for installation which characterized in that: the pipeline dust collection device comprises a pipeline main body (1), a pipeline connecting mechanism (2) and a dust collection mechanism (3), wherein the pipeline main body (1) is a thin-wall mechanism, the pipeline connecting mechanism (2) comprises two fixing pieces (21), a sealing ring (22) and a fixing ring (23), the two fixing pieces (21) are respectively fixed on the end faces of the pipeline main bodies (1) at two sides to be connected, the sealing ring (22) is arranged between the two fixing pieces (21), the fixing pieces (21) are perpendicular to the pipeline main body (1), the fixing ring (23) is sleeved on the outer sides of the two fixing pieces (21), the dust collection mechanism (3) is arranged at the corner of the pipeline main body (1), the dust collection mechanism (3) is arranged at the dust collection end of the corner, the dust collection mechanism (3) penetrates through the pipeline main body (1), and the dust collection mechanism (3) comprises a plurality of dust collection rods (31), dust scraping plates (32, a plurality of dust absorption rods (31) are fixedly penetrated in the pipeline main body (1), the dust scraping plates (32) are sleeved on the dust absorption rods (31), control rods (33) are arranged at two ends of each dust scraping plate (32), and holding rods (34) are arranged at the bottoms of the two control rods (33).
2. A durable and easy-to-install vent according to claim 1, further comprising: pipeline main part (1) and stationary blade (21) fixed connection department, the edge of pipeline main part (1) is provided with outside hem (11), stationary blade (21) fixed cover connects in pipeline main part (1) and closely laminates with outside hem (11).
3. A durable and easy-to-install vent according to claim 1, further comprising: the outer side of the sealing ring (22) extends outwards and overflows the extension of the fixing piece (21).
4. A durable and easy-to-install vent according to claim 1, further comprising: the fixing piece (21) is of a circular ring structure, and a plurality of connecting holes (211) are uniformly formed in the ring piece of the fixing piece (21).
5. A durable and easy-to-install vent according to claim 1, further comprising: the cross-section of retainer plate (23) is V-arrangement structure, and the bottom in cross-section is outside planar structure, and retainer plate (23) are open structure, and the open end both sides of retainer plate (23) are provided with bolted connection piece (231) respectively, and the bottom welding of bolted connection piece (231) is on the surface of retainer plate (23), and the upper portion and the retainer plate (23) of bolted connection piece (231) are mutually perpendicular, and two bolted connection pieces (231) are connected the fastening through fastening bolt (232).
6. A durable and easy-to-install vent according to claim 1, further comprising: and a limit stop block (331) is arranged in the middle of the control rod (33).
7. A durable and easy-to-install vent according to claim 1, further comprising: the bottom of the dust collection box (33) is provided with a dust outlet cover (35).
8. A durable and easy-to-install vent according to claim 1, further comprising: the inner wall of the pipeline main body (1) is provided with a coating layer.
9. A durable and easy-to-install vent according to claim 1, further comprising: the inner wall of the pipeline main body (1) is provided with a coating layer.
10. A durable and easy-to-install vent according to claim 1, further comprising: the opening at the two ends of the fixed ring (23) is respectively provided with a manual locking clamping seat (233) and a wrench end (234), and the wrench means (234) is provided with a rotatable connecting column (235).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390434.2A CN111701958A (en) | 2020-05-11 | 2020-05-11 | Durable ventilation pipe convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390434.2A CN111701958A (en) | 2020-05-11 | 2020-05-11 | Durable ventilation pipe convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111701958A true CN111701958A (en) | 2020-09-25 |
Family
ID=72536942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010390434.2A Pending CN111701958A (en) | 2020-05-11 | 2020-05-11 | Durable ventilation pipe convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111701958A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063046A (en) * | 2021-04-14 | 2021-07-02 | 张健 | Pipeline connects clamp soon |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201561210U (en) * | 2009-11-06 | 2010-08-25 | 北汽福田汽车股份有限公司 | Pipeline connection structure |
| CN203711150U (en) * | 2013-12-29 | 2014-07-16 | 河南省汤阴县华兴机械制造有限公司 | Ultra-thin portable electrostatic dust collector |
| CN109519618A (en) * | 2018-12-28 | 2019-03-26 | 深圳市鑫明兴科技有限公司 | A kind of air hose quickly couples anchor ear external member |
| CN209054751U (en) * | 2018-11-27 | 2019-07-02 | 杭州澳利斯橡塑保温材料有限公司 | A kind of air hose scraping inner wall of the pipe dust |
| KR102088933B1 (en) * | 2019-06-28 | 2020-03-16 | (주)비산이앤씨 | structure for connecting circle duct |
-
2020
- 2020-05-11 CN CN202010390434.2A patent/CN111701958A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201561210U (en) * | 2009-11-06 | 2010-08-25 | 北汽福田汽车股份有限公司 | Pipeline connection structure |
| CN203711150U (en) * | 2013-12-29 | 2014-07-16 | 河南省汤阴县华兴机械制造有限公司 | Ultra-thin portable electrostatic dust collector |
| CN209054751U (en) * | 2018-11-27 | 2019-07-02 | 杭州澳利斯橡塑保温材料有限公司 | A kind of air hose scraping inner wall of the pipe dust |
| CN109519618A (en) * | 2018-12-28 | 2019-03-26 | 深圳市鑫明兴科技有限公司 | A kind of air hose quickly couples anchor ear external member |
| KR102088933B1 (en) * | 2019-06-28 | 2020-03-16 | (주)비산이앤씨 | structure for connecting circle duct |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063046A (en) * | 2021-04-14 | 2021-07-02 | 张健 | Pipeline connects clamp soon |
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Application publication date: 20200925 |