CN114180106A - Ventilation device - Google Patents
Ventilation device Download PDFInfo
- Publication number
- CN114180106A CN114180106A CN202111351655.XA CN202111351655A CN114180106A CN 114180106 A CN114180106 A CN 114180106A CN 202111351655 A CN202111351655 A CN 202111351655A CN 114180106 A CN114180106 A CN 114180106A
- Authority
- CN
- China
- Prior art keywords
- upper cover
- ventilation device
- groove
- screw
- limiting
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000009958 sewing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/46—Arrangements or adaptations of devices for control of environment or living conditions
- B64G1/48—Arrangements or adaptations of devices for control of environment or living conditions for treatment of the atmosphere
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a ventilation device, which comprises a main shell and an upper cover, wherein the bottom of the main shell is provided with an opening, the upper cover is provided with a through hole, one side of the upper cover is movably connected with the main shell, the ventilation device also comprises a non-releasing screw, the non-releasing screw is connected with the other side of the upper cover, and the other side of the upper cover is detachably connected with the main shell through the non-releasing screw. On one hand, the connection and disconnection of the upper cover and the shell can be realized, so that the installation and the disassembly of the purifier are convenient. On the other hand, the falling-off prevention screw can prevent the purifier from falling off when the purifier is replaced, and convenience is brought to the replacement of the purifier.
Description
Technical Field
The invention belongs to the field of structural components, and particularly relates to a ventilation device.
Background
The microbial purifier shell is a product of a ventilation and purification subsystem of a space station environmental control and protection subsystem, is installed at an air return port of an air pipeline of a sky and day, a space inquiry and a sky patrol together with a microbial purifier, and has the functions of removing microbes and inhalable particles in the atmosphere of each cabin section in a physical filtering mode and controlling the concentration of the microbes and the inhalable particles in the atmosphere of each cabin section within an index range. At present, common ventilation unit exists can't convenient opening and closing under low gravity environment, and takes place the part easily and drops, connect technical problem such as insecure, shock resistance is poor and ventilation effect is poor.
Disclosure of Invention
The invention aims to solve the technical problems that how to conveniently open and close the ventilation shell under the low gravity environment and parts are not easy to fall off. The invention provides a ventilation device, which comprises a main shell and an upper cover, wherein the bottom of the main shell is provided with an opening, the upper cover is provided with a through hole, one side of the upper cover is movably connected with the main shell, the ventilation device also comprises a non-releasing screw, the non-releasing screw is connected with the other side of the upper cover, and the other side of the upper cover is detachably connected with the main shell through the non-releasing screw.
According to one aspect of the invention, the anti-loosening device further comprises an anti-loosening assembly, the anti-loosening assembly comprises an anti-loosening sheet, a limiting hole and a limiting block, the anti-loosening sheet is movably connected with the non-disengaging screw, the limiting hole is formed in the anti-loosening sheet, and the limiting block is arranged on the upper cover.
According to one aspect of the invention, the anti-loosening assembly further comprises a spring, a limiting ball, a groove and a limiting groove, the groove is arranged on the anti-loosening piece, the spring is arranged in the groove, the limiting ball is arranged at an opening of the groove, and the limiting groove is arranged on the non-releasing screw.
According to one aspect of the invention, the upper cover is an integrated mounting filter orifice plate.
According to one aspect of the present invention, a coupling member is provided on a side wall of the main housing.
According to one aspect of the invention, the device further comprises a flexible connection assembly connected with the bottom opening of the main shell.
According to one aspect of the invention, the flexible connection assembly includes a flange and a flexible material, the flange being connected to the main housing by the flexible material.
According to one aspect of the invention, the flexible material is a composite of flame retardant cloth and TPU film.
According to one aspect of the invention, the flange is attached to the flexible material by gluing and sewing.
According to one aspect of the invention, it is characterized in that the main housing is of a regular square configuration.
According to the concept of the present invention, since the ventilating device is mainly used in a space station, the device is often in a low gravity environment, and the connection and disconnection of the upper cover to the housing can be achieved by using the non-slip screw, thereby facilitating the installation and removal of the purifier. On the other hand, the falling-off prevention screw can prevent the purifier from falling off when the purifier is replaced, and convenience is brought to the replacement of the purifier. In this embodiment, one side of the upper cover is hingedly connected to the main housing. The connecting mode has the advantages of simple structure, compact installation and the like, and the occupied space of the ventilation device is further reduced.
According to the concept of the invention, when the anti-loosening sheet is arranged in the vertical direction, the anti-loosening sheet is designed to reduce the moment, so that the upper cover can be detached from the non-release screw more easily. When the anti-loosening piece is in the horizontal direction, the limiting block arranged on the upper cover is just inserted into the limiting hole arranged on the anti-loosening piece. Because the special application environment of this ventilation unit often can receive some impact and take place the vibration, through stopper with spacing hole mutually supports, can make the upper cover with the connection of main casing body is more firm.
According to the concept of the invention, under the action of the elastic force of the spring, the limiting ball falls into the limiting groove of the non-releasing screw and is attached to the limiting groove. The limiting groove limits the movement of the limiting ball. Through the spring, spacing ball reaches the mutually supporting of spacing groove makes no matter what kind of state the locking piece is in, can all play certain limiting displacement to its swing, further prevent the upper cover receive the impact after with the main casing body disconnection, further guaranteed firm in connection.
Drawings
FIG. 1 is a perspective view of a ventilation device;
FIG. 2 is a block diagram of the anti-loosening assembly;
FIG. 3 is a perspective view of the anti-loosening assembly;
FIG. 4 is a block diagram of a filter panel;
FIG. 5 is a partial perspective view of the vent;
fig. 6 is a partially enlarged view of the ventilation device shown in fig. 5.
Detailed Description
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 embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In describing embodiments of the present invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is based on the orientation or positional relationship shown in the associated drawings, which is for convenience and simplicity of description only, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above-described terms should not be construed as limiting the present invention.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
Referring to fig. 1 and 2, according to an embodiment of the present invention, the ventilation device includes a main housing 1 and an upper cover 2 having a through hole 4, the main housing 1 is a regular rectangular parallelepiped, an opening is formed at a lower end of the main housing 1, and one side of the upper cover 2 is movably connected to the main housing 1. According to the concept of the present invention, the ventilating device is mainly used for installing and fixing the purifier in a space station, and the purifier can be conveniently put in and taken out by movably connecting one side of the upper cover 2 provided with the through hole 4 with the main housing 1. In addition, through the through hole 4 arranged on the upper cover 2, coarse filtering and protecting functions can be provided. In the present embodiment, the other side of the upper cover 2 is further provided with a non-removal screw 21, and a side wall of the main casing 1 is further provided with a connection hole for engaging with the non-removal screw 21. The other side of the upper cover 2 can be detachably coupled to the main casing 1 without removing the fitting of the screw 21 to the coupling hole. According to the concept of the present invention, since the ventilating device is mainly used in a space station, the device is often in a low gravity environment, and the connection and disconnection of the upper cover 2 to the housing 1 can be achieved by using the non-release screw 21, on the one hand, thereby facilitating the installation and removal of the purifier. On the other hand, the use of the non-slip screw 21 prevents the falling-off when the purifier is replaced, and facilitates the replacement of the purifier. In the present embodiment, one side of the upper cover 2 is hinge-connected to the main casing 1. According to the concept of the invention, the connecting mode has the advantages of simple structure, compact installation and the like, and the occupied space of the ventilation device is further reduced.
Referring to fig. 2 and 3, according to an embodiment of the present invention, a locking assembly 3 is further installed at the upper end of the bolt 21, the locking assembly 3 includes a locking piece 31 and a stopper 34, and the locking piece 31 is provided with a stopper hole 36. The stopper 34 is provided on the upper cover 2. In the present embodiment, the locking piece 31 is hingedly connected to the upper end of the non-removal screw 21, and the locking piece 31 can swing in the vertical and horizontal directions around the non-removal screw 21. According to the concept of the present invention, on the one hand, when the locking plate 31 is placed in the vertical direction, the locking plate 31 is designed to reduce the moment, making the detachment of the upper cover 2 more labor-saving. On the other hand, when the locking piece 31 is in the horizontal direction, the stopper 34 provided on the upper cover 2 is just inserted into the stopper hole 36 provided on the locking piece 31. Because the special application environment of the ventilation device can often be subjected to some impact to generate vibration, the connection between the upper cover 2 and the main shell 1 can be firmer through the mutual matching of the limit block 34 and the limit hole 36.
Referring to fig. 2 and 3, according to an embodiment of the present invention, the anti-loose assembly 3 further includes a spring 32 and a limiting ball 33, the upper end and the side end of the non-releasing screw 21 are respectively provided with a limiting groove 22, the anti-loose plate 31 is provided with a groove 35, the spring 32 and the limiting ball 33 are both installed in the groove 35, the limiting ball 33 is installed at an opening of the groove 35, and the limiting ball 33 is clamped between the groove 35 and the limiting groove 22 of the non-releasing screw 21. According to the concept of the present invention, the ball 33 is dropped into the groove 22 without escaping from the screw 21 and is engaged with the groove 22 by the elastic force of the spring. The movement of the check ball 33 is restricted by the check groove 22. Through mutually supporting of spring 32, spacing ball 33 and spacing groove 22, make the locking piece 31 no matter be in which kind of state, can play certain limiting displacement to its swing, further prevent that upper cover 2 from receiving behind the impact and main casing body 1 disconnection, further guaranteed the firm of connecting.
Referring to fig. 4, according to an embodiment of the present invention, the upper cover 2 is an integrated filtering hole plate, which provides a large ventilation area of the ventilation device while providing a coarse filtering and protection function.
Referring to fig. 1, according to an embodiment of the present invention, a connection member 5 is provided on a sidewall of the main housing 1. In this embodiment, 6 threaded holes are provided on both sides of the main housing 1 for connection to opposite positions in the cabin. According to the idea of the invention, only one side of the threaded hole is used for connection during actual connection, and the ventilation device has interchangeability and universality when being installed at different positions of the space station through the arrangement.
Referring to fig. 5 and 6, according to an embodiment of the present invention, a flexible connection assembly 6 is connected to the bottom opening of the main housing 1. According to the concept of the present invention, the bottom opening of the main housing 1 needs to be connected with a ventilation pipeline, and due to its special use environment, forces in all directions can be buffered by the flexible connection assembly 5, thereby improving the service life. According to a preferred embodiment of the present invention, the flexible connecting member 6 comprises a flange 61 and a composite material 62 of flame retardant cloth and TPU film, wherein the flange 61 is bonded and sewn with the composite material of flame retardant cloth 63 and TPU film 64. In the present embodiment, the flame retardant cloths 63 and the TPU rubber sheet 64 are alternately attached together, with the flame retardant cloths 63 being disposed at the outermost ends. According to the concept of the invention, since the device is used in a space station and is often in a high-temperature and high-impact environment, the flexible connecting component 6 can be prevented from being damaged in a high-temperature state on one hand by adopting the structure that the flame retardant cloth 63 and the TPU film 64 are alternately attached together, and on the other hand, the flexible connecting component 6 also has strong impact resistance because the TPU film has good elasticity.
According to one embodiment of the present invention, the main housing 1 has a regular square structure. According to the concept of the invention, in order to adapt to the limited space in the cabin, the ventilating device is arranged at the position of the skirting line, and the square structure design is adopted, so that the position limitation can be further met, and the space is saved.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a ventilation unit, includes main casing body (1), upper cover (2), the bottom of main casing body (1) is equipped with the opening, be equipped with through-hole (4) on upper cover (2), one side of upper cover (2) with main casing body (1) swing joint, its characterized in that still includes and does not deviate from screw (21), it connects not deviate from screw (21) the opposite side of upper cover (2), through do not deviate from screw (21) and make the opposite side of upper cover (2) with main casing body (1) can dismantle the connection.
2. The ventilation device according to claim 1, further comprising a locking assembly (3), wherein the locking assembly (3) comprises a locking piece (31), a limiting hole (36) and a limiting block (34), the locking piece (31) is movably connected with the non-releasing screw (21), the limiting hole (36) is arranged on the locking piece (31), and the limiting block (34) is arranged on the upper cover (2).
3. The ventilation device according to claim 2, wherein the anti-loosening assembly (3) further comprises a spring (32), a limiting ball (33), a groove (35) and a limiting groove (22), the groove (35) is formed in the anti-loosening sheet (31), the spring (32) is arranged in the groove (35), the limiting ball (33) is arranged at an opening of the groove (35), and the limiting groove (22) is arranged on the non-releasing screw (21).
4. The ventilation device according to claim 1, characterized in that the upper cover (2) is an integrated mounting filter plate.
5. A ventilation device according to claim 1, characterized in that a connecting piece (5) is provided on the side wall of the main housing (1).
6. The ventilation device according to claim 1, characterized by further comprising a flexible connection assembly (6), wherein the flexible connection assembly (6) is connected with the bottom opening of the main housing (1).
7. The ventilation device according to claim 6, characterized in that the flexible connection assembly (6) comprises a flange (61) and a flexible material (62), the flange (61) being connected to the main housing (61) by the flexible material (62).
8. The ventilation device according to claim 7, characterized in that the flexible material (62) is a composite (64) of flame-retardant cloth (63) and TPU film.
9. -air vent device according to claim 7 or 8, wherein the flange (61) is joined to the flexible material (62) by means of gluing and sewing.
10. The ventilation device according to claim 1, characterized in that the main housing (1) is of regular square configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351655.XA CN114180106B (en) | 2021-11-16 | 2021-11-16 | Ventilating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351655.XA CN114180106B (en) | 2021-11-16 | 2021-11-16 | Ventilating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114180106A true CN114180106A (en) | 2022-03-15 |
| CN114180106B CN114180106B (en) | 2023-08-11 |
Family
ID=80540127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111351655.XA Active CN114180106B (en) | 2021-11-16 | 2021-11-16 | Ventilating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114180106B (en) |
Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05340416A (en) * | 1992-06-05 | 1993-12-21 | Tomohiro Yoshigasako | Locking and slip-stop device for clamping bolt available in cover and the like |
| JP2010135176A (en) * | 2008-12-04 | 2010-06-17 | Chugoku Electric Power Co Inc:The | Screw-member looseness preventing unit and terminal arrangement using same |
| US20100301185A1 (en) * | 2009-05-28 | 2010-12-02 | Tom Heckman | Pivot mount assembly |
| KR101445500B1 (en) * | 2013-09-16 | 2014-09-29 | 조선대학교산학협력단 | Spaceborne Cooler Micro-vibration Isolation System with the Capability of Launch Vibration Attenuation |
| CN204348790U (en) * | 2015-01-22 | 2015-05-20 | 广州市中海达测绘仪器有限公司 | Battery cover turn buckle |
| CN105387055A (en) * | 2015-11-30 | 2016-03-09 | 北京宇航系统工程研究所 | Manual fast-installing nut device with pre-tightening function |
| CN105889280A (en) * | 2015-01-23 | 2016-08-24 | 北京空间技术研制试验中心 | Non-disengagement fastening device and method |
| CN206054496U (en) * | 2016-09-27 | 2017-03-29 | 上海爱瑞德五金有限公司 | A kind of anti-fall adjusting screw |
| US20170174369A1 (en) * | 2015-12-16 | 2017-06-22 | Aerea S.P.A. | Device for the hold-down and controlled release of space satellites installed on launchers and loads installed on space satellites |
| US20170183109A1 (en) * | 2015-02-12 | 2017-06-29 | John Aylmer | Multi-purpose expandable complex providing maintenance, manufacturing, assemblage complex with external space dock |
| CN206299658U (en) * | 2016-11-18 | 2017-07-04 | 东莞市三威柔性自动化装备有限公司 | A handle type positioning locking pin |
| KR20180017354A (en) * | 2016-08-09 | 2018-02-21 | 국방과학연구소 | Separation Mechanism of the Missile Shroud Using the Pneumatic Locking and Deployment Device |
| CN207701530U (en) * | 2018-01-03 | 2018-08-07 | 河钢股份有限公司承德分公司 | The locking locking plate of semi-open type |
| CN208198048U (en) * | 2018-04-28 | 2018-12-07 | 李军成 | A kind of novel automobile air purifying apparatus |
| CN209458251U (en) * | 2018-12-28 | 2019-10-01 | 合肥惠科金扬科技有限公司 | Hand screw and assembling structure |
| CN210707971U (en) * | 2019-08-01 | 2020-06-09 | 北京卫星制造厂有限公司 | Multi-stage separation unlocking device based on split nut |
| CN210799673U (en) * | 2019-11-06 | 2020-06-19 | 中原工学院 | Anti-loosening screw connection assembly |
| CN211197342U (en) * | 2019-11-08 | 2020-08-07 | 天津大沽物流有限公司 | Rapid opening and closing tool for manhole of transportation tank of hazardous chemical transport vehicle |
| CN211288388U (en) * | 2019-09-25 | 2020-08-18 | 北京凌空天行科技有限责任公司 | Sealing assembly, sealing device and sealing shell |
| CN111701367A (en) * | 2020-07-08 | 2020-09-25 | 刘华基 | Energy-concerving and environment-protective air purification device for architectural transformation |
| CN111762344A (en) * | 2020-07-01 | 2020-10-13 | 中国人民解放军63921部队 | A connecting device and a replaceable solar wing structure |
| CN211732485U (en) * | 2020-01-19 | 2020-10-23 | 天津延丰包装印刷有限公司 | Moisture absorption type ventilation device for storing and storing cartons |
| CN112249371A (en) * | 2020-10-30 | 2021-01-22 | 北京空间飞行器总体设计部 | Return capsule pressure release hole plugging device |
| CN212529259U (en) * | 2020-06-18 | 2021-02-12 | 杭州特奥环保科技有限公司 | Vehicle-mounted air purifier |
| CN112498751A (en) * | 2020-12-15 | 2021-03-16 | 航天科工火箭技术有限公司 | Connecting and unlocking device |
| CN112693639A (en) * | 2021-01-06 | 2021-04-23 | 湖北航天技术研究院总体设计所 | Energy storage type ejection sealing protection device and aircraft launching method |
| CN214664890U (en) * | 2021-01-26 | 2021-11-09 | 江苏竞然健康科技有限公司 | Novel intelligent temperature control device of central air conditioning system |
-
2021
- 2021-11-16 CN CN202111351655.XA patent/CN114180106B/en active Active
Patent Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05340416A (en) * | 1992-06-05 | 1993-12-21 | Tomohiro Yoshigasako | Locking and slip-stop device for clamping bolt available in cover and the like |
| JP2010135176A (en) * | 2008-12-04 | 2010-06-17 | Chugoku Electric Power Co Inc:The | Screw-member looseness preventing unit and terminal arrangement using same |
| US20100301185A1 (en) * | 2009-05-28 | 2010-12-02 | Tom Heckman | Pivot mount assembly |
| KR101445500B1 (en) * | 2013-09-16 | 2014-09-29 | 조선대학교산학협력단 | Spaceborne Cooler Micro-vibration Isolation System with the Capability of Launch Vibration Attenuation |
| CN204348790U (en) * | 2015-01-22 | 2015-05-20 | 广州市中海达测绘仪器有限公司 | Battery cover turn buckle |
| CN105889280A (en) * | 2015-01-23 | 2016-08-24 | 北京空间技术研制试验中心 | Non-disengagement fastening device and method |
| US20170183109A1 (en) * | 2015-02-12 | 2017-06-29 | John Aylmer | Multi-purpose expandable complex providing maintenance, manufacturing, assemblage complex with external space dock |
| CN105387055A (en) * | 2015-11-30 | 2016-03-09 | 北京宇航系统工程研究所 | Manual fast-installing nut device with pre-tightening function |
| US20170174369A1 (en) * | 2015-12-16 | 2017-06-22 | Aerea S.P.A. | Device for the hold-down and controlled release of space satellites installed on launchers and loads installed on space satellites |
| KR20180017354A (en) * | 2016-08-09 | 2018-02-21 | 국방과학연구소 | Separation Mechanism of the Missile Shroud Using the Pneumatic Locking and Deployment Device |
| CN206054496U (en) * | 2016-09-27 | 2017-03-29 | 上海爱瑞德五金有限公司 | A kind of anti-fall adjusting screw |
| CN206299658U (en) * | 2016-11-18 | 2017-07-04 | 东莞市三威柔性自动化装备有限公司 | A handle type positioning locking pin |
| CN207701530U (en) * | 2018-01-03 | 2018-08-07 | 河钢股份有限公司承德分公司 | The locking locking plate of semi-open type |
| CN208198048U (en) * | 2018-04-28 | 2018-12-07 | 李军成 | A kind of novel automobile air purifying apparatus |
| CN209458251U (en) * | 2018-12-28 | 2019-10-01 | 合肥惠科金扬科技有限公司 | Hand screw and assembling structure |
| CN210707971U (en) * | 2019-08-01 | 2020-06-09 | 北京卫星制造厂有限公司 | Multi-stage separation unlocking device based on split nut |
| CN211288388U (en) * | 2019-09-25 | 2020-08-18 | 北京凌空天行科技有限责任公司 | Sealing assembly, sealing device and sealing shell |
| CN210799673U (en) * | 2019-11-06 | 2020-06-19 | 中原工学院 | Anti-loosening screw connection assembly |
| CN211197342U (en) * | 2019-11-08 | 2020-08-07 | 天津大沽物流有限公司 | Rapid opening and closing tool for manhole of transportation tank of hazardous chemical transport vehicle |
| CN211732485U (en) * | 2020-01-19 | 2020-10-23 | 天津延丰包装印刷有限公司 | Moisture absorption type ventilation device for storing and storing cartons |
| CN212529259U (en) * | 2020-06-18 | 2021-02-12 | 杭州特奥环保科技有限公司 | Vehicle-mounted air purifier |
| CN111762344A (en) * | 2020-07-01 | 2020-10-13 | 中国人民解放军63921部队 | A connecting device and a replaceable solar wing structure |
| CN111701367A (en) * | 2020-07-08 | 2020-09-25 | 刘华基 | Energy-concerving and environment-protective air purification device for architectural transformation |
| CN112249371A (en) * | 2020-10-30 | 2021-01-22 | 北京空间飞行器总体设计部 | Return capsule pressure release hole plugging device |
| CN112498751A (en) * | 2020-12-15 | 2021-03-16 | 航天科工火箭技术有限公司 | Connecting and unlocking device |
| CN112693639A (en) * | 2021-01-06 | 2021-04-23 | 湖北航天技术研究院总体设计所 | Energy storage type ejection sealing protection device and aircraft launching method |
| CN214664890U (en) * | 2021-01-26 | 2021-11-09 | 江苏竞然健康科技有限公司 | Novel intelligent temperature control device of central air conditioning system |
Non-Patent Citations (3)
| Title |
|---|
| 白燕: "钢铝复合传热结构热等静压制造技术应用 北", 制造技术与机床 * |
| 蒋文均;金相男;杜俊成;: "精密装配中螺纹联接可靠性研究", 机械工程师, no. 03 * |
| 赵鹏;: "电子设备不脱出螺钉与定位装置的组合设计", 电子世界, no. 05 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114180106B (en) | 2023-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111649217B (en) | Portable controller mounting structure | |
| CN105811277A (en) | New type electric power outgoing cubicle | |
| CN114180106B (en) | Ventilating device | |
| CN112556159A (en) | Filter screen structure and air conditioner with same | |
| JP4212874B2 (en) | Ventilation gallery | |
| CN214199151U (en) | Filter screen structure and air conditioner with same | |
| US20130090050A1 (en) | HVAC System for a Parked Vehicle | |
| CN217206794U (en) | Air pump device | |
| CN223448487U (en) | Air conditioner | |
| CN214874141U (en) | Leading filter of heating and ventilation air conditioner with sterilization function | |
| CN219572189U (en) | Air filtering device and air duct machine | |
| CN223216387U (en) | Air conditioner | |
| CN220677130U (en) | Fixed frame structure of reinforcement type air filter | |
| CN215993831U (en) | Cleaning robot | |
| CN217952651U (en) | Combined air conditioning unit convenient to install | |
| CN218333615U (en) | Relay with anti vibration anti-disengaging structure | |
| CN223578277U (en) | Ventilation fan applied to integrated suspended ceiling | |
| CN217227932U (en) | Carry device and unmanned aerial vehicle | |
| CN220253851U (en) | Air cleaner installation component and outdoor cabinet thereof | |
| CN220187024U (en) | Ventilation device capable of blocking outside air from entering | |
| CN218717782U (en) | Cabinet type centrifugal ventilator | |
| CN214172527U (en) | Wall hanging plate, air conditioner indoor unit assembly and air conditioner | |
| CN212901783U (en) | Air conditioner outer unit protective net convenient to install | |
| CN222560244U (en) | Air conditioner return air inlet with filter device | |
| CN216805281U (en) | Waterproof type vehicle-mounted sound box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |