CN111895637A - Laboratory computer lab insect prevention mouse is with ventilation structure - Google Patents
Laboratory computer lab insect prevention mouse is with ventilation structure Download PDFInfo
- Publication number
- CN111895637A CN111895637A CN202010775112.XA CN202010775112A CN111895637A CN 111895637 A CN111895637 A CN 111895637A CN 202010775112 A CN202010775112 A CN 202010775112A CN 111895637 A CN111895637 A CN 111895637A
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- Prior art keywords
- pipe
- air
- ventilation
- baffle
- side wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/22—Killing insects by electric means
- A01M1/223—Killing insects by electric means by using electrocution
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a ventilation structure for preventing insects and mice in a laboratory machine room, which relates to the technical field of ventilation pipe structures.A branch pipe is fixedly arranged on the lower side wall of a ventilation pipe in a penetrating way, an installation bin is arranged on the ventilation pipe in series, a rotating shaft is arranged in the installation bin in a rotating way through a bearing, a plurality of first baffle plates are fixedly arranged on the rotating shaft at equal angles, a bracket is fixedly arranged in the ventilation pipe, an insect prevention electric network is fixedly arranged on the bracket, a threaded sleeve is fixedly arranged on the lower side wall of the ventilation pipe in a penetrating way, and a collection tank is fixedly arranged at the lower; its pipeline that is provided with the rotation structure, the toy that can puzzlement entering air pipe returns and leaves, and then guides the toy to climb out air pipe, prevents that the toy from getting into the room, is provided with the electric wire netting in the air pipe in addition to collect through the detachable jar, can intercept the insect.
Description
Technical Field
The invention relates to the technical field of ventilation pipe structures, in particular to a ventilation structure for preventing insects and mice in a laboratory machine room.
Background
In order to ensure normal operation of electrical components in the computer room, the computer room is provided with a ventilating duct for exchanging air with the outside, so that heat in the computer room can be conveniently discharged outwards, and the normal operating environment temperature of the electrical appliance is ensured.
Ventilating duct among the prior art can set up structures such as arresting net to prevent that external toy etc. from getting into the computer lab through ventilating duct, generally, prevent that the animal of the smaller size from getting into, then need set up denser arresting net, but the mesh of arresting net is denser, and its ventilation effect is worse, and then influences the air exchange effect of ventilation pipe, needs the improvement.
Disclosure of Invention
The invention aims to provide a ventilation structure for preventing insects and rats in a laboratory machine room, which is reasonable in design and convenient to use, aiming at overcoming the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the air duct comprises an air duct, an inlet baffle and an outlet baffle, wherein the inlet baffle is embedded and fixed at the right end of the air duct, and the outlet baffle is embedded and fixed at the left end of the air duct; the insect prevention device comprises a ventilating duct, a mounting bin, a bracket and an insect prevention power grid, wherein the branch pipe is fixedly arranged on the lower side wall of the ventilating duct in a penetrating manner and comprises a longitudinal pipe and a transverse pipe;
the mounting bin is arranged on the ventilation air pipeline in series, the mounting bin is arranged on the left side of the longitudinal pipe, the left end and the right end of the mounting bin are communicated with the ventilation pipeline, the lower inner side wall of the mounting bin is lower than the lower inner side wall of the ventilation pipeline, a rotating shaft is rotatably arranged in the mounting bin through a bearing, a plurality of first baffles are fixedly arranged on the rotating shaft at equal angles, and the side edges of the first baffles movably abut against the side wall of the mounting bin;
air pipe internal fixation is provided with the support, and the fixed protection against insects electric wire netting that is provided with on the support wears to establish on air pipe's the lower lateral wall and is fixed with the thread bush, and the last port of thread bush flushes the setting with air pipe's lower inside wall, and the upper end left side wall of thread bush supports to establish on the right side wall of support, and the lower extreme of thread bush is established soon and is fixed with the collection tank.
Further, air pipe internal fixation be provided with the baffle No. two, and the right side limit tilt up setting of No. two baffles, No. two baffles set up in the top of indulging the pipe, and the left side limit of No. two baffles passes after the last port of indulging the pipe, supports to establish on the left inside wall of indulging the pipe, No. two baffles keep off in the top of indulging the pipe, form the hopper-shaped structure, the animal that the prevention upwards got into from indulging the pipe, the animal that the guide got into from the air pipe right-hand member simultaneously crawls and gets into indulging the pipe.
Further, air pipe's last inside wall on be equipped with the plectrum through the hinge, and the plectrum setting is between import baffle and vertical pipe, the threaded rod is worn to be equipped with in the activity on air pipe's the lower lateral wall, the upper end activity of threaded rod is supported and is established on the lower surface of plectrum, threaded rod top spin adapter sleeve is equipped with the screw, the screw is fixed to be set up on air pipe's lower surface, the rotation threaded rod is put down, the plectrum is put down the activity and is supported on air pipe's lower lateral wall, the circulation of air drives plectrum vibrations sound production, the power that frightening is close to.
Furthermore, the side of a baffle on the parcel fixedly be provided with the blotter, a baffle passes through the blotter and supports to advance on the lateral wall of installation storehouse.
Further, the right end activity cover of air pipe be equipped with the air inlet fill, the air inlet fill is embedded to be established and is fixed with the interception net, and the interception net carries out preliminary interception, and the air inlet fill absorbs bulky mobile air and gets into air pipe.
Furthermore, the right end of violently managing fixedly be provided with the connecting rod, fixedly on the connecting rod be provided with the deep bead, and the deep bead setting is on the right-hand member mouth right side of violently managing.
The working principle of the invention is as follows: the ventilation pipeline is arranged on a wall body for ventilation, external air enters from the right end of the ventilation pipeline, the air firstly flows over the longitudinal pipe, when a mouse climbs through the ventilation pipeline, the mouse falls into the longitudinal pipe, finally falls into the transverse pipe and climbs out through the right end opening of the transverse pipe; air flows to the installation storehouse after flowing through the longitudinal tube, the air drives the baffle rotatory this moment, and then the air flow passes through the installation storehouse, and enter into in the left air pipe in installation storehouse, and then the air flows through the protection against insects electric wire netting, the worm contacts the protection against insects electric wire netting in the air pipe that flows, the side electrocutes the worm from the electric wire netting, the worm falls down to in the thread bush, and fall through the thread bush and collect in the collection tank, fill the back in the collection tank, with the collection tank from the thread bush spiral shell and clean up.
After adopting the structure, the invention has the beneficial effects that:
1. the through transverse pipe and the through longitudinal pipe are in rotary structures, animals entering the ventilating pipeline can fall into the longitudinal pipe and then climb out of a room through the transverse pipe, and small animals are prevented from entering the room through the ventilating pipeline;
2. the mounting bin is connected in series on the ventilation pipeline, a rotatable baffle plate I is arranged in the mounting bin, the baffle plate I can be blocked in the ventilation pipeline, the ventilation pipeline is prevented from being run through from left to right at the same time, optical fibers in the ventilation pipeline can be blocked, and the entry of phototactic insects is reduced;
3. the insect-proof power grid intercepts, can electrocute the insects which accidentally enter, and collects the insects through the collecting tank.
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 structural view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a sectional view a-a in fig. 1.
Fig. 5 is a sectional view B-B in fig. 3.
Description of reference numerals:
the device comprises a ventilation pipeline 1, an inlet baffle 2, an outlet baffle 3, a branch pipe 4, a transverse pipe 5, a longitudinal pipe 6, a mounting bin 7, a rotating shaft 8, a first baffle 9, a support 10, an insect-proof power grid 11, a threaded sleeve 12, a collecting tank 13, a second baffle 14, a shifting sheet 15, a threaded rod 16, a screw 17, a buffer cushion 18, an air inlet hopper 19, an intercepting net 20, a connecting rod 21 and a wind shield 22.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-fig. 1, the present embodiment includes a ventilation duct 1, an inlet baffle 2, and an outlet baffle 3, wherein the inlet baffle 2 is embedded and fixed at the right end of the ventilation duct 1, and the outlet baffle 3 is embedded and fixed at the left end of the ventilation duct 1; the device also comprises a branch pipe 4, an installation bin 7, a support 10 and an insect-proof power grid 11, wherein the branch pipe 4 is fixedly arranged on the lower side wall of the ventilation pipeline 1 in a penetrating way, the branch pipe 4 comprises a longitudinal pipe 6 and a transverse pipe 5, the longitudinal pipe 6 is fixedly arranged on the lower side wall of the ventilation pipeline 1 in a penetrating way, the transverse pipe 5 is fixedly arranged at the lower end of the longitudinal pipe 6 in a penetrating way, the transverse pipe 5 is riveted on the lower side wall of the ventilation pipeline 1, a second baffle 14 is riveted in the ventilation pipeline 1, the right side edge of the second baffle 14 is obliquely arranged upwards, the second baffle 14 is arranged above the longitudinal pipe 6, the left side edge of the second baffle 14 passes through the upper end opening of the longitudinal pipe 6 and abuts against the left inner side wall of the longitudinal pipe 6, the second baffle 14 forms a bucket-shaped structure at the upper end of the longitudinal pipe 6 to prevent animals climbing along the side wall of the longitudinal pipe 6, meanwhile, small animals entering from the right end of, a wind shield 22 is riveted on the connecting rod 21, the wind shield 22 is arranged on the right side of the right end opening of the transverse pipe 5, the wind shield 22 can block the right end of the transverse pipe 5 to prevent flowing air from entering from the transverse pipe 5 and ensure normal air inlet of the ventilation pipeline 1, and a space for small animals to climb out from the transverse pipe 5 is reserved on the second baffle 14;
the mounting bin 7 is arranged on the ventilation air pipeline in series, the mounting bin 7 is arranged on the left side of the longitudinal pipe 6, the left end and the right end of the mounting bin 7 are communicated with the ventilation air pipeline 1, the lower inner side wall of the mounting bin 7 is lower than the lower inner side wall of the ventilating duct 1, a rotating shaft 8 is screwed in the mounting bin 7 through a bearing, eight first baffles 9 are riveted at equal angles on the rotating shaft 8, the side edges of the first baffles 9 are movably abutted against the side wall of the mounting bin 7, and more than one baffle 9 is simultaneously arranged on the mounting bin 7 below the ventilation pipeline 1 in the process of rotating the baffle 9, the left end and the right end of the ventilating duct 1 are further separated, the light-transmitting attraction of phototactic insects is prevented, the side edge of the first baffle plate 9 is wrapped and riveted with a cushion pad 18, and when the first baffle plate 9 moves, the cushion pad 18 scrapes the side wall of the installation bin 7 to avoid generating huge noise;
a support 10 is riveted in the ventilation pipeline 1, an insect-proof power grid 11 is riveted on the support 10, a threaded sleeve 12 is fixedly arranged on the lower side wall of the ventilation pipeline 1 in a penetrating manner, the upper port of the threaded sleeve 12 is flush with the lower inner side wall of the ventilation pipeline 1, the left side wall of the upper end of the threaded sleeve 12 is abutted against the right side wall of the support 10, and a collecting tank 13 is fixedly screwed at the lower end of the threaded sleeve 12;
a shifting sheet 15 is hinged on the upper inner side wall of the ventilation pipeline 1 through a hinge, the shifting sheet 15 is arranged between the inlet baffle 2 and the longitudinal pipe 6, a threaded rod 16 is movably arranged on the lower side wall of the ventilation pipeline 1 in a penetrating way, the upper end of the threaded rod 16 is movably abutted against the lower surface of the shifting sheet 15, a screw 17 is sleeved on the threaded rod 16 in a rotating way, the screw 17 is riveted on the lower surface of the ventilation pipeline 1 to screw out the threaded rod 16 downwards, and then the plectrum 15 is put down, when air flows in the ventilation pipeline 1, the air drives the plectrum 15 to shake and hit the ventilation pipeline 1 to send out noise, frighten away the approaching small animals, the screw rod 16 is rotated upwards to push the plectrum 15 against the upper inner side wall of the ventilation pipeline 1, the noise can be prevented from being emitted by the poking piece 15, the right end of the ventilation pipeline 1 is movably sleeved with the air inlet hopper 19, the intercepting net 20 is fixedly embedded in the air inlet hopper 19, and the air inlet hopper 19 can absorb more flowing air to enter the ventilation pipeline 1.
The working principle of the specific embodiment is as follows: the ventilation pipeline 1 is installed on a wall body for ventilation, external air enters from the right end of the ventilation pipeline 1, the air firstly flows over the longitudinal pipe 6, when a mouse climbs through the ventilation pipeline 1, the mouse falls into the longitudinal pipe 6, finally falls into the transverse pipe 5 and climbs out through the right end opening of the transverse pipe 5; air flows to installation storehouse 7 behind the longitudinal duct 6, the air drives the baffle rotation this moment, and then the air flows through installation storehouse 7, and go into in the left air pipe 1 in installation storehouse 7, and then the air flows through protection against insects electric wire netting 11, the worm contact protection against insects electric wire netting 11 in the air pipe 1 that flows, the side dies the worm from the electric wire netting electricity, the worm falls down in the thread bush 12, and fall through thread bush 12 and collect in the collection tank 13, fill the back when filling in the collection tank 13, with collection tank 13 from thread bush 12 spin down and clear up.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the through transverse pipe 5 and the through longitudinal pipe 6 are in rotary structures, so that animals entering the ventilation pipeline 1 can fall into the longitudinal pipe 6 and then climb out of a room through the transverse pipe 5, and small animals are prevented from entering the room through the ventilation pipeline 1;
2. the mounting bin 7 is connected on the ventilation pipeline 1 in series, a rotatable baffle plate 9 is arranged in the mounting bin 7, the baffle plate 9 can be blocked in the ventilation pipeline 1, the ventilation pipeline 1 is prevented from being penetrated left and right simultaneously, optical fibers in the ventilation pipeline 1 can be blocked, and the entry of phototaxis insects is reduced;
3. the insect-proof electric net 11 intercepts, can electrocute the insects which accidentally enter, and collects through the collecting tank 13.
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 (7)
1. A ventilation structure for preventing insects and mice in a laboratory machine room comprises a ventilation pipeline (1), an inlet baffle (2) and an outlet baffle (3), wherein the inlet baffle (2) is embedded and fixed at the right end of the ventilation pipeline (1), and the outlet baffle (3) is embedded and fixed at the left end of the ventilation pipeline (1); the method is characterized in that: the insect prevention ventilation system further comprises a branch pipe (4), an installation bin (7), a support (10) and an insect prevention power grid (11), wherein the branch pipe (4) is fixedly arranged on the lower side wall of the ventilation pipeline (1) in a penetrating manner, the branch pipe (4) comprises a longitudinal pipe (6) and a transverse pipe (5), the longitudinal pipe (6) is fixedly arranged on the lower side wall of the ventilation pipeline (1) in a penetrating manner, the transverse pipe (5) is fixedly arranged at the lower end of the longitudinal pipe (6), and the transverse pipe (5) is fixedly arranged on the lower side wall of the ventilation pipeline (1);
the mounting bin (7) is arranged on a ventilation air pipeline in series, the mounting bin (7) is arranged on the left side of the longitudinal pipe (6), the left end and the right end of the mounting bin (7) are communicated with the ventilation pipeline (1), the lower inner side wall of the mounting bin (7) is lower than the lower inner side wall of the ventilation pipeline (1), a rotating shaft (8) is arranged in the mounting bin (7) in a rotating mode through a bearing, a plurality of first baffles (9) are fixedly arranged on the rotating shaft (8) at equal angles, and the side edges of the first baffles (9) are movably abutted to the side wall of the mounting bin (7);
ventilating duct (1) internal fixation is provided with support (10), the fixed protection against insects electric wire netting (11) that is provided with on support (10), wear to establish on the lower lateral wall of ventilating duct (1) and be fixed with thread bush (12), the last port of thread bush (12) flushes the setting with the lower inside wall of ventilating duct (1), and the upper end left side wall of thread bush (12) supports and establishes on the right side wall of support (10), the lower extreme of thread bush (12) is established soon and is fixed with collection tank (13).
2. The ventilation structure for preventing insects and mice in a laboratory machine room according to claim 1, characterized in that: air pipe (1) internal fixation be provided with No. two baffle (14), and the right side limit tilt up setting of No. two baffle (14), No. two baffle (14) set up in the top of indulging pipe (6), and the left side limit of No. two baffle (14) passes behind the last port of indulging pipe (6), support and establish on the left inside wall of indulging pipe (6), No. two baffle (14) keep off in the top of indulging pipe (6), form the hopper-shaped structure, the animal that the prevention upwards got into from indulging pipe (6), the animal that the guide was got into from air pipe (1) right-hand member simultaneously crawls and gets into and indulges pipe (6).
3. The ventilation structure for preventing insects and mice in a laboratory machine room according to claim 1, characterized in that: ventilating duct (1) go up the inside wall on be equipped with plectrum (15) through the hinge, and plectrum (15) set up import baffle (2) and indulge between pipe (6), threaded rod (16) are worn to be equipped with in the activity on the lower lateral wall of ventilating duct (1), the upper end activity of threaded rod (16) is supported and is established on the lower surface of plectrum (15), threaded rod (16) top spin connects the cover and is equipped with screw (17), screw (17) are fixed to be set up on the lower surface of ventilating duct (1), rotate threaded rod (16) and put down, plectrum (15) are put down the activity and are supported on the lower lateral wall of ventilating duct (1), circulation of air drives plectrum (15) vibrations, the power that frightening is close to, it escapes to make it.
4. The ventilation structure for preventing insects and mice in a laboratory machine room according to claim 1, characterized in that: a buffer pad (18) is fixedly arranged on the side edge of the first baffle (9) in a wrapping mode, and the first baffle (9) abuts against the side wall of the installation bin (7) through the buffer pad (18) to advance.
5. The ventilation structure for preventing insects and mice in a laboratory machine room according to claim 1, characterized in that: air pipe (1) the right-hand member activity cover be equipped with air inlet fill (19), air inlet fill (19) are embedded to be established and are fixed with interception net (20), interception net (20) carry out preliminary interception, air inlet fill (19) are absorbed the air admission air pipe (1) that flows of bulky.
6. The ventilation structure for preventing insects and mice in a laboratory machine room according to claim 1, characterized in that: the right end of the transverse pipe (5) is fixedly provided with a connecting rod (21), the connecting rod (21) is fixedly provided with a wind shield (22), and the wind shield (22) is arranged on the right side of the right end opening of the transverse pipe (5).
7. The ventilation structure for preventing insects and mice in a laboratory machine room according to claim 1, characterized in that: the working principle is as follows: the ventilation pipeline (1) is installed on a wall body to conduct ventilation work, external air enters from the right end of the ventilation pipeline (1), the air firstly flows over the longitudinal pipe (6), when a mouse climbs through the ventilation pipeline (1), the mouse falls into the longitudinal pipe (6), finally falls into the transverse pipe (5), and climbs out through the right end opening of the transverse pipe (5); air flows to installation storehouse (7) behind longitudinal pipe (6), the air drives the baffle rotation this moment, and then the air flow is through installation storehouse (7), and enter into in installation storehouse (7) left air pipe (1), and then air flow is through protection against insects electric wire netting (11), the worm contact protection against insects electric wire netting (11) in the air pipe that flows (1), the side is from the electric wire netting electricity death worm, the worm falls down to in thread bush (12), and fall to collection jar (13) through thread bush (12) and collect in, fill with the back in collection jar (13), will collect jar (13) and clear up from thread bush (12) top spin down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775112.XA CN111895637A (en) | 2020-08-05 | 2020-08-05 | Laboratory computer lab insect prevention mouse is with ventilation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775112.XA CN111895637A (en) | 2020-08-05 | 2020-08-05 | Laboratory computer lab insect prevention mouse is with ventilation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111895637A true CN111895637A (en) | 2020-11-06 |
Family
ID=73245671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010775112.XA Withdrawn CN111895637A (en) | 2020-08-05 | 2020-08-05 | Laboratory computer lab insect prevention mouse is with ventilation structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN111895637A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888333Y (en) * | 2006-04-25 | 2007-04-11 | 闫成林 | Intelligent temperature control power saving device for communication apparatus room |
| CN101329500A (en) * | 2007-06-21 | 2008-12-24 | 卡西欧计算机株式会社 | Light source chamber for storing light source device and projector equipped therewith |
| JP2012080866A (en) * | 2010-10-13 | 2012-04-26 | Tornex Inc | Method and device for preventing invasion of insect |
| CN109236147A (en) * | 2018-09-29 | 2019-01-18 | 陈金钊 | A kind of device for preventing mosquito from entering |
| CN209788290U (en) * | 2019-03-14 | 2019-12-17 | 兰州资源环境职业技术学院 | Computer insect-proof net |
| CN210323312U (en) * | 2019-07-29 | 2020-04-14 | 山东曲阜康尔健医疗科技有限公司 | Circuit detection protection device |
| CN211091535U (en) * | 2019-07-18 | 2020-07-28 | 丽水市新洁保洁服务有限公司 | Simple driving device |
-
2020
- 2020-08-05 CN CN202010775112.XA patent/CN111895637A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888333Y (en) * | 2006-04-25 | 2007-04-11 | 闫成林 | Intelligent temperature control power saving device for communication apparatus room |
| CN101329500A (en) * | 2007-06-21 | 2008-12-24 | 卡西欧计算机株式会社 | Light source chamber for storing light source device and projector equipped therewith |
| JP2012080866A (en) * | 2010-10-13 | 2012-04-26 | Tornex Inc | Method and device for preventing invasion of insect |
| CN109236147A (en) * | 2018-09-29 | 2019-01-18 | 陈金钊 | A kind of device for preventing mosquito from entering |
| CN209788290U (en) * | 2019-03-14 | 2019-12-17 | 兰州资源环境职业技术学院 | Computer insect-proof net |
| CN211091535U (en) * | 2019-07-18 | 2020-07-28 | 丽水市新洁保洁服务有限公司 | Simple driving device |
| CN210323312U (en) * | 2019-07-29 | 2020-04-14 | 山东曲阜康尔健医疗科技有限公司 | Circuit detection protection device |
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Application publication date: 20201106 |
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| WW01 | Invention patent application withdrawn after publication |