CN109353314B - Air conditioner air duct with automatic cleaning hairbrush - Google Patents
Air conditioner air duct with automatic cleaning hairbrush Download PDFInfo
- Publication number
- CN109353314B CN109353314B CN201811553806.8A CN201811553806A CN109353314B CN 109353314 B CN109353314 B CN 109353314B CN 201811553806 A CN201811553806 A CN 201811553806A CN 109353314 B CN109353314 B CN 109353314B
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- China
- Prior art keywords
- wall
- rectangular shell
- air duct
- air
- air conditioner
- 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.)
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- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 10
- 230000001105 regulatory effect Effects 0.000 abstract 6
- 230000009471 action Effects 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses an air conditioner air duct with an automatic cleaning brush, which comprises an air duct body, wherein an inclined block matched with the inner wall of the air duct body is arranged on the inner wall of the air duct body, a rectangular shell is connected to the inclined surface in a sliding manner, a first balloon is fixed on the side wall of the rectangular shell, a partition plate is formed on the inner wall of the rectangular shell, a second balloon is fixed on the partition plate, and a pendulum bob is arranged on the lower end face of the partition plate; the air conditioner comprises a partition plate, a regulating cylinder, a regulating rod, a rack, a pair of grooves, a rotating ball, a gear ring, a telescopic rod and an arc brush plate, wherein the regulating cylinder is fixed on the partition plate, the regulating rod is fixed on a piston rod of the regulating cylinder, the rack is formed on the regulating rod, the rectangular shell is provided with the pair of grooves, the rotating ball is inserted into the grooves, the gear ring meshed with the rack is formed on the outer wall of the rotating ball, the telescopic rod is connected with the upper end of the rotating ball, the arc brush plate is matched with the inner side wall of the air duct body in shape, and the first brush hair is arranged at the upper end of the arc brush plate. The invention can automatically clean dust and dirt in the air conditioner air duct in the use process of the air conditioner.
Description
Technical field:
the invention relates to the technical field of air-conditioning air ducts, in particular to an air-conditioning air duct with an automatic cleaning brush.
The background technology is as follows:
the air duct of the automobile air conditioner is an important component part of the automobile air conditioning system and is connected with an outlet of an automobile air conditioning box, and mainly plays a role in guiding air, so that the air from the air conditioning box body is distributed to a corresponding air outlet. After the existing automobile air conditioner air duct is used for a period of time, a lot of dust and dirt can be accumulated in the air duct, the health of an air conditioner user is unfavorable, respiratory diseases are easy to obtain, the existing main mode is to check and clean the lower air conditioner air duct when an automobile is subjected to maintenance operation, and the dust and dirt in the air conditioner air duct cannot be effectively and timely treated due to troublesome operation and too long cleaning time interval, so that improvement is necessary.
In view of the above-mentioned drawbacks, the present inventors have actively studied and innovated to create an air conditioner duct with an automatic cleaning brush of a novel structure, which has a more industrial utility value.
The invention comprises the following steps:
the invention aims to solve the problems in the prior art and provides an air conditioner air duct with an automatic cleaning brush, which can automatically clean dust and dirt in the air conditioner air duct in the use process of the air conditioner.
The invention relates to an air conditioner air duct with an automatic cleaning brush, which comprises an air duct body, wherein an inclined block matched with the inner wall of the air duct body is arranged on the inner wall of the air duct body, an inclined surface which is inclined upwards from an air inlet to an air outlet of the air duct body is formed on the inclined block, a rectangular shell is connected onto the inclined surface in a sliding manner, a chute parallel to the inclined surface is formed on the inclined surface, a sliding block is formed at the bottom of the rectangular shell, the sliding block is pressed against a graphite layer arranged on the inner wall of the chute, a plurality of inflated first balloons are fixed on the side wall of the rectangular shell, a plurality of ventilation holes are formed on the side wall of the rectangular shell, a partition plate is formed on the inner wall of the rectangular shell, a plurality of inflated second balloons are fixed on the partition plate, and a pendulum bob is arranged on the lower end face of the partition plate, and the weight of the pendulum bob is larger than that of the rectangular shell;
the novel air conditioner comprises a partition plate, wherein a small adjusting cylinder is fixed on the upper end face of the partition plate, a vertical adjusting rod is fixed on a piston rod of the adjusting cylinder, vertical racks are formed on two opposite side walls of the adjusting rod, a pair of circular arc-shaped grooves are formed on the upper end face of a rectangular shell, vertical slots are formed on the rectangular shell between the grooves, the slots are communicated with the grooves, the adjusting rod is inserted into the slots, a rotating ball is inserted into the grooves, tooth rings meshed with the racks on the adjusting rod are formed on the outer wall of the rotating ball respectively, an arc-shaped guide groove is formed on the inner wall of the groove, a guide block of a forming circular arc section is formed on the outer wall of the rotating ball, the guide block is inserted into the guide groove, an arc-shaped first pressure spring is arranged in the groove, two ends of the first pressure spring are respectively abutted to the inner wall of the end of the guide groove and the guide block, a telescopic rod is connected with an arc-shaped brush plate matched with the shape of an air duct body, and first bristles are arranged on the upper end of the arc-shaped brush plate.
By means of the technical scheme, when the air conditioner is started, the rectangular shell slides back and forth on the inclined plane, specifically, under the influence of air conditioner wind power, the first balloon and the second balloon on the rectangular shell cooperate to drive the rectangular shell to move from bottom to top along the inclined plane of the inclined block, finally, the rectangular shell stays at the uppermost end of the inclined plane, and meanwhile, the pendulum bob swings back and forth under the influence of vibration in the running process of an automobile, so that the rectangular shell slides back and forth along the inclined plane. When the air conditioner is closed, the rectangular shell only slides back and forth on the inclined plane under the action of the pendulum bob, and slides downwards under the action of gravity after sliding up the inclined plane. In the sliding process of the rectangular shell, the piston rod of the adjusting cylinder is stretched to drive the adjusting rod to move upwards, the racks on the adjusting rod are meshed with the gear rings on two sides of the adjusting rod to drive the rotating balls on two sides to rotate so that the rotating balls are relatively far away, the guide blocks on the rotating balls move in the guide grooves of the grooves and store elastic potential energy in a compressed mode, the first bristles are used for cleaning the inner wall of the air conditioner air duct, after the adjusting rod is not moved upwards any more, the first compression springs release the elastic potential energy to drive the rotating balls to reversely reset, and at the moment, the first hairbrushes on the rotating balls clean the inner wall of the air conditioner air duct again. Above-mentioned in-process, the weight of pendulum weight is greater than rectangular casing's weight be convenient for pendulum swing in-process can drive rectangular casing smoothly and remove, and the telescopic link makes at air conditioner wind channel inner wall and rectangular casing interval change in-process, and arc brush board can paste all the time on the air conditioner inner wall and clear up it.
Through the scheme, the air conditioner air duct with the automatic cleaning brush can automatically clean dust and dirt in the air conditioner air duct of the automobile through the vibration caused by blowing of air conditioner air to the balloon in the running process of the automobile.
As one preferable mode of the scheme, the inner wall of the air duct body is provided with a circular arc-shaped protruding strip, and the protruding strip is positioned between the two first bristles on the two telescopic rods. According to the scheme, the two first bristles on the two telescopic rods brush dust and dirt on the inner wall of the air duct body towards the middle in the reversing reset process, so that the arc-shaped protruding strips are arranged on the inner wall of the air duct body between the two first bristles, the protruding strips not only enable dust and dirt to be difficult to adhere and fall off, but also increase the blowing area of air conditioner wind to the dust and dirt, and therefore the dust and dirt on the area which cannot be brushed by the first hairbrush is further difficult to adhere to the inner wall of the air duct body.
As one preferable mode of the scheme, the telescopic rod comprises a hollow loop rod and an inserting rod inserted in the loop rod, a guide plate is formed on the inner wall of the loop rod, the inserting rod is inserted in the guide plate, a baffle is formed on the inserting rod, and two ends of the second pressure spring respectively lean against the baffle and the guide plate.
As one preferable mode of the scheme, two parallel sliding grooves are formed in the inclined surface, two sliding blocks are formed in the bottom of the rectangular shell, the sliding blocks are correspondingly inserted into the sliding grooves, and second bristles in contact with the inclined surface are arranged on the bottom surface of the rectangular shell around the sliding blocks. According to the scheme, in the sliding process of the rectangular shell, the second bristles clean the inclined plane of the inclined block.
Preferably, the partition plate is formed on the upper inner wall of the rectangular shell, and the partition plate is horizontal.
As one preferable aspect, the rectangular housing has rounded corners formed at the outer four corners.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Description of the drawings:
the following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2A;
FIG. 4 is a schematic view of a telescopic rod according to the present invention;
fig. 5 is a schematic structural view of a rectangular housing according to the present invention.
The specific embodiment is as follows:
the following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1, 2 and 5, the air conditioner air duct with the automatic cleaning brush comprises an air duct body 1, wherein an inclined block 2 matched with the inner wall of the air duct body 1 is arranged on the inner wall of the air duct body 1, an inclined surface 21 which is inclined upwards from the air inlet to the air outlet of the air duct body 1 is formed on the inclined block 2, a rectangular shell 3 is connected onto the inclined surface 21 in a sliding manner, round corners 31 are formed on the four corners of the outer side of the rectangular shell 3, a chute 22 parallel to the inclined surface 21 is formed on the inclined surface 21, a sliding block 32 is formed at the bottom of the rectangular shell 3, the sliding block 32 is pressed against a graphite layer 23 arranged on the inner wall of the chute 22, two parallel sliding blocks 32 are arranged on the inclined surface, two sliding blocks 32 are correspondingly inserted into the chute 22, a second balloon 42 which is in contact with the inclined surface 21 is arranged on the bottom surface of the rectangular shell 3 around the sliding block 32, a plurality of inflatable first balloons 51 are fixedly arranged on the side walls of the rectangular shell 3, a plurality of ventilating hammers 33 are formed on the side walls of the rectangular shell 3, a plurality of ventilating holes 33 are formed on the side walls of the rectangular shell 3, a plurality of the upper end faces 34 of the rectangular shell 34 are horizontally arranged on the rectangular baffle 6, and a plurality of pendulum plates 6 are horizontally arranged on the baffle plates 6 and are fixedly arranged on the baffle plates.
Referring to fig. 2 to 4, a small adjusting cylinder 71 is fixed on the upper end surface of the partition 34, a vertical adjusting rod 72 is fixed on the piston rod of the adjusting cylinder 71, vertical racks 7 are formed on two opposite side walls of the adjusting rod 72, a pair of circular arc grooves 35 are formed on the upper end surface of the rectangular housing 3, vertical slots 36 are formed on the rectangular housing between the grooves 35, the slots 36 are communicated with the grooves 35, the adjusting rod 72 is inserted into the slots 36, a rotating ball 8 is inserted into the grooves 35, a gear ring 81 which is respectively meshed with the racks 7 on the adjusting rod 72 is formed on the outer wall of the rotating ball 8, an arc-shaped guide groove 351 is formed on the inner wall of the groove 35, a guide block 82 for forming a circular arc section is formed on the outer wall of the rotating ball 8, the guide block 82 is inserted into the guide groove 351, be equipped with curved first pressure spring 91 in recess 35, the both ends of first pressure spring 91 support respectively and lean on the tip inner wall of guide slot 35 and guide block 82, and the upper end of rotating ball 8 is connected with telescopic link 10, telescopic link 10 includes hollow loop bar 11 and peg graft the inserted bar 12 in the loop bar 11, the shaping has deflector 111 on the loop bar 11 inner wall, inserted bar 12 peg graft on the deflector 111, the shaping has baffle 121 on the inserted bar 12, the both ends of second pressure spring 92 support respectively and lean on baffle 121 and deflector 111, the tip of telescopic link 10 is equipped with the arc brush board 20 with wind channel body 1 inside wall shape matched with, the upper end of arc brush board 20 is equipped with first brush hair 41, the shaping has convex protruding strip 101 on the inner wall of wind channel body 1, protruding strip 101 is located two on the telescopic link 10 between the first brush hair 41.
In the implementation of the invention, when the air conditioner is started, the rectangular shell 3 slides back and forth on the inclined plane 21, specifically, under the influence of the wind power of the air conditioner, the first balloon 51 and the second balloon 52 on the rectangular shell 3 cooperate to drive the rectangular shell 3 to move from bottom to top along the inclined plane 21 of the inclined block 2, and finally stay at the uppermost end of the inclined plane 21, and meanwhile, under the influence of vibration in the running process of an automobile, the pendulum bob 6 swings back and forth, so that the rectangular shell 3 slides back and forth along the inclined plane 21. When the air conditioner is turned off, the rectangular shell 3 slides back and forth on the inclined plane 21 only under the action of the pendulum bob 6, and after sliding up the inclined plane 21, the rectangular shell 3 slides down under the action of gravity. In the sliding process of the rectangular shell 3, the piston rod of the adjusting cylinder 71 stretches to drive the adjusting rod 72 to move upwards, the racks 7 on the adjusting rod 72 are meshed with the gear rings 81 on two sides of the adjusting rod to drive the rotating balls 8 on two sides to rotate so that the rotating balls 8 are relatively far away, the guide blocks 82 on the rotating balls 8 move in the guide grooves 351 of the grooves 35 and compress and store elastic potential energy with the first pressure springs 91, so that the first bristles 41 can clean the inner wall of the air conditioning air duct 1, after the adjusting rod 72 is not moved upwards any more, the first pressure springs 91 release the elastic potential energy to drive the rotating balls 9 to reversely reset, and at the moment, the first hairbrushes 41 on the rotating balls 9 clean the inner wall of the air conditioning air duct 1 again. In the above process, the weight of the pendulum bob 6 is greater than that of the rectangular shell 3, so that the rectangular shell 3 can be smoothly driven to move in the swinging process of the pendulum bob 6, and the arc-shaped brush plate 20 can be always attached to the inner wall of the air conditioner to clean the inner wall of the air conditioner in the interval change process between the inner wall of the air conditioner air duct 1 and the rectangular shell 3 by the telescopic rod 10.
In summary, the air conditioner air duct with the automatic cleaning brush can automatically clean dust and dirt in the air conditioner air duct of the automobile through the blowing of air conditioner air to the balloon and the vibration caused in the running process of the automobile.
The air conditioner air duct with the automatic cleaning brush provided by the invention is only a specific implementation mode of the invention, but the protection scope of the invention is not limited to the specific implementation mode, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the invention, and the changes or substitutions are covered in the protection scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides an air conditioner wind channel of area self-cleaning brush, includes wind channel body (1), its characterized in that: the novel air duct comprises an air duct body (1), and is characterized in that an inclined block (2) matched with the inner wall of the air duct body (1) is arranged on the inner wall of the air duct body (1), an inclined surface (21) inclined upwards from the air inlet to the air outlet of the air duct body (1) is formed on the inclined block, a rectangular shell (3) is connected onto the inclined surface in a sliding mode, a chute (22) parallel to the inclined surface is formed on the inclined surface (21), a sliding block (32) is formed at the bottom of the rectangular shell (3), the sliding block is pressed against a graphite layer (23) arranged on the inner wall of the chute (22), a plurality of inflated first balloons (51) are fixed on the side wall of the rectangular shell (3), a plurality of ventilation holes (33) are formed on the side wall of the rectangular shell (3), a partition plate (34) is formed on the inner wall of the rectangular shell (3), a plurality of inflated second balloons (52) are fixed on the partition plate, a pendulum bob (6) is arranged on the lower end face of the partition plate (34), and the weight of the pendulum bob is larger than that of the rectangular shell (3).
The utility model discloses a telescopic air conditioner, including baffle (34) and air channel (20) and is characterized in that a small-size adjusting cylinder (71) is fixed on the up end of baffle (34), be fixed with vertical regulation pole (72) on adjusting cylinder's the piston rod, the shaping has vertical rack (7) on two opposite lateral walls of adjusting pole, the shaping has a pair of convex recess (35) on the up end of rectangular housing (3), the shaping has vertical slot (36) on rectangular housing (3) between the recess, slot and recess (35) intercommunication, insert pole (72) in slot (36), insert rotating ball (8) in recess (35), the shaping has on rotating ball's the outer wall respectively with on adjusting pole (72) tooth ring (81) of rack (7) meshing, the shaping has curved guide way (351) on the inner wall of recess (35), the shaping has guide block (82) of shaping circular arc section on rotating ball (8), the guide block is in guide way (351), be equipped with curved first pressure spring (91) in recess (35), the both ends of first pressure spring are in leaning on guide way (351) respectively on the inner wall (82) and guide block (8) on the inner wall (20) of guide way, the inner wall (20) of telescopic air channel are equipped with the telescopic end of telescopic air conditioner, the telescopic air conditioner is equipped with on the telescopic air channel (20), the upper end of the arc-shaped brush plate is provided with first bristles (41);
the inner wall of the air duct body (1) is provided with a circular arc-shaped protruding strip (101), and the protruding strip is positioned between the two first bristles (41) on the two telescopic rods (10); the telescopic rod (10) comprises a hollow loop rod (11) and an inserting rod (12) inserted in the loop rod, a guide plate (111) is formed on the inner wall of the loop rod (11), the inserting rod (12) is inserted on the guide plate (111), a baffle (121) is formed on the inserting rod (12), and two ends of a second pressure spring (92) respectively abut against the baffle (121) and the guide plate (111).
2. The air conditioning duct with an automatic cleaning brush according to claim 1, wherein: two parallel sliding grooves (22) are formed in the inclined surface (21), two sliding blocks (32) are formed in the bottom of the rectangular shell (3) and correspondingly inserted into the sliding grooves (22), and second bristles (42) in contact with the inclined surface (21) are arranged on the bottom surface of the rectangular shell (3) around the sliding blocks (32).
3. The air conditioning duct with an automatic cleaning brush according to claim 1, wherein: the partition plate (34) is formed on the inner wall of the upper part of the rectangular shell (3), and the partition plate (34) is horizontal.
4. The air conditioning duct with an automatic cleaning brush according to claim 1, wherein: rounded corners (31) are formed at the four corners of the outer side of the rectangular shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553806.8A CN109353314B (en) | 2018-12-19 | 2018-12-19 | Air conditioner air duct with automatic cleaning hairbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553806.8A CN109353314B (en) | 2018-12-19 | 2018-12-19 | Air conditioner air duct with automatic cleaning hairbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109353314A CN109353314A (en) | 2019-02-19 |
| CN109353314B true CN109353314B (en) | 2024-03-15 |
Family
ID=65329153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811553806.8A Active CN109353314B (en) | 2018-12-19 | 2018-12-19 | Air conditioner air duct with automatic cleaning hairbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109353314B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339292A (en) * | 2022-10-19 | 2022-11-15 | 南通海姆斯智能科技有限公司 | Vehicle-mounted air conditioner pressure switch base |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072588A1 (en) * | 2006-12-11 | 2008-06-19 | Daikin Industries, Ltd. | Filter cleaning mechanism for air conditioning apparatus |
| RU2447957C1 (en) * | 2010-09-17 | 2012-04-20 | Государственное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (КГЭУ) | Pipeline inner surface cleaner |
| CN204547676U (en) * | 2015-04-07 | 2015-08-12 | 宁波市中博汽车科技有限公司 | A kind of air-conditioning duct carrying clean-up device |
| CN204586438U (en) * | 2015-04-24 | 2015-08-26 | 宁波市中博汽车科技有限公司 | A kind of air-conditioning duct with automatic cleaning function |
| CN204593781U (en) * | 2015-04-24 | 2015-08-26 | 宁波市中博汽车科技有限公司 | A kind of air-conditioning duct of easy cleaning |
| CN108421773A (en) * | 2018-03-23 | 2018-08-21 | 宁波中惠信息技术有限公司 | A kind of pipe cleaning device |
| CN209305536U (en) * | 2018-12-19 | 2019-08-27 | 浙江汉默空调设备有限公司 | A kind of air-conditioning duct with automatic cleaning brush |
-
2018
- 2018-12-19 CN CN201811553806.8A patent/CN109353314B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072588A1 (en) * | 2006-12-11 | 2008-06-19 | Daikin Industries, Ltd. | Filter cleaning mechanism for air conditioning apparatus |
| RU2447957C1 (en) * | 2010-09-17 | 2012-04-20 | Государственное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (КГЭУ) | Pipeline inner surface cleaner |
| CN204547676U (en) * | 2015-04-07 | 2015-08-12 | 宁波市中博汽车科技有限公司 | A kind of air-conditioning duct carrying clean-up device |
| CN204586438U (en) * | 2015-04-24 | 2015-08-26 | 宁波市中博汽车科技有限公司 | A kind of air-conditioning duct with automatic cleaning function |
| CN204593781U (en) * | 2015-04-24 | 2015-08-26 | 宁波市中博汽车科技有限公司 | A kind of air-conditioning duct of easy cleaning |
| CN108421773A (en) * | 2018-03-23 | 2018-08-21 | 宁波中惠信息技术有限公司 | A kind of pipe cleaning device |
| CN209305536U (en) * | 2018-12-19 | 2019-08-27 | 浙江汉默空调设备有限公司 | A kind of air-conditioning duct with automatic cleaning brush |
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| Publication number | Publication date |
|---|---|
| CN109353314A (en) | 2019-02-19 |
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