CN114180106B - Ventilating device - Google Patents
Ventilating device Download PDFInfo
- Publication number
- CN114180106B CN114180106B CN202111351655.XA CN202111351655A CN114180106B CN 114180106 B CN114180106 B CN 114180106B CN 202111351655 A CN202111351655 A CN 202111351655A CN 114180106 B CN114180106 B CN 114180106B
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- China
- Prior art keywords
- upper cover
- ventilation device
- loosening
- groove
- limiting
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Classifications
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- 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
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- 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 an opening is formed in the bottom of the main shell, a through hole is formed in the upper cover, one side of the upper cover is movably connected with the main shell, the ventilation device further comprises a non-falling screw, the non-falling screw is connected to 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-falling screw. On the one hand, the connection and disconnection of the upper cover and the shell can be realized, so that the purifier is convenient to install and detach. On the other hand, the screw can be prevented from falling off when the purifier is replaced, and convenience is brought to replacement of the purifier.
Description
Technical Field
The invention belongs to the field of structural parts, and particularly relates to a ventilation device.
Background
The microbial purifier shell is a product of a ventilation and purification subsystem of the space station environmental control biological and environmental protection subsystem, is arranged at the air return openings of the day and night patrol ventilation pipelines together with the microbial purifier, and has the functions of removing microorganisms and inhalable particles in the atmosphere of each cabin section in a physical filtration mode and controlling the concentration of the microorganisms and inhalable particles in the atmosphere of each cabin section to be in an index range. At present, the common ventilation device has the technical problems that the common ventilation device cannot be conveniently opened and closed under a low gravity environment, parts are easy to fall off, connection is unstable, shock resistance is poor, ventilation effect is poor and the like.
Disclosure of Invention
The invention aims to solve the technical problems that how to conveniently open and close the ventilation shell in a 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 an opening is formed in the bottom of the main shell, a through hole is formed in the upper cover, one side of the upper cover is movably connected with the main shell, the ventilation device further comprises a non-falling screw, the non-falling screw is connected to 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-falling screw.
According to one aspect of the invention, the anti-loosening assembly further comprises an anti-loosening sheet, a limiting hole and a limiting block, wherein the anti-loosening sheet is movably connected with the non-loosening 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, wherein the groove is formed in the anti-loosening sheet, the spring is arranged in the groove, the limiting ball is arranged at the opening of the groove, and the limiting groove is formed in the non-falling-out screw.
According to one aspect of the invention, the upper cover is an integrally mounted filter orifice plate.
According to one aspect of the invention, a connector is provided on a side wall of the main housing.
According to one aspect of the invention, the flexible connection unit is connected with the bottom opening of the main housing.
According to one aspect of the invention, the flexible connection unit comprises 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 connected to the flexible material by means of bonding and sewing.
According to one aspect of the invention, the main housing is of regular square configuration.
According to the conception of the invention, since the ventilation device is mainly used in space stations, the device is often in a low gravity environment, and on one hand, the connection and disconnection of the upper cover and the shell can be realized by adopting the screw which is not separated, so that the installation and the disassembly of the purifier are convenient. On the other hand, the screw can be prevented from falling off when the purifier is replaced, and convenience is brought to replacement of the purifier. In this embodiment, one side of the upper cover is connected to the main housing by a hinge. 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 conception of the invention, when the anti-loosening sheet is arranged in the vertical direction, the design of the anti-loosening sheet is equivalent to reducing the moment, so that the upper cover can be detached from the non-falling screw more labor-saving. When the anti-loose 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-loose piece. Because the ventilation device is in a special application environment, the ventilation device is often subjected to some impact to vibrate, and the upper cover and the main shell can be more firmly connected through the mutual matching of the limiting block and the limiting hole.
According to the conception of the invention, under the action of the spring force, the limit ball falls into the limit groove of the non-falling screw and is attached to the limit groove. The limiting groove limits the movement of the limiting ball. Through the spring, spacing ball reaches the mutually supporting of spacing groove makes the jam plate no matter what kind is in, can both play certain spacing effect to its swing, further prevent the upper cover receive after the impact with the main casing disconnection has still further guaranteed firm of 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 aperture plate;
FIG. 5 is a partial perspective view of the ventilation device;
fig. 6 is an enlarged view of a portion 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 that are required to be used in the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
In describing embodiments of the present invention, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in terms of orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and do not denote or imply that the devices or elements in question must have a particular orientation, be constructed and operated in a particular orientation, so that the above terms are not to be construed as limiting the invention.
The present invention will be described in detail below with reference to the drawings and the specific embodiments, which are not described in detail 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 cuboid, an opening is provided at a lower end of the main housing 1, and one side of the upper cover 2 is movably connected with the main housing 1. According to the inventive concept, the ventilating device is mainly used for installing and fixing the purifier in the space station, and can conveniently put in and take out the purifier 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-level 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-escape screw 21, and the side wall of the main housing 1 is further provided with a connecting hole for the non-escape screw 21. The other side of the upper cover 2 can be detachably connected with the main housing 1 by not disengaging the screw 21 from the connection hole. Since the ventilating device is mainly used in space stations according to the concept of the present invention, the device is often in a low gravity environment, and on the one hand, connection and disconnection of the upper cover 2 to the housing 1 can be achieved by using the non-escape screw 21, thereby facilitating installation and removal of the purifier. On the other hand, the use of the non-escape screw 21 can prevent the falling off when the purifier is replaced, thereby providing convenience for the replacement of the purifier. In the present embodiment, one side of the upper cover 2 is connected to the main casing 1 by hinge. According to the conception 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.
As shown in fig. 2 and 3, according to an embodiment of the present invention, a locking assembly 3 is further installed at an upper end of the non-falling screw 21, the locking assembly 3 includes a locking piece 31 and a limiting block 34, and a limiting hole 36 is provided on the locking piece 31. The stopper 34 is provided on the upper cover 2. In the present embodiment, the locking piece 31 is hinged to the upper end of the non-escape screw 21, and the locking piece 31 can swing around the non-escape screw 21 in the vertical and horizontal directions. According to the concept of the present invention, when the locking piece 31 is placed in the vertical direction, on one hand, the design of the locking piece 31 is equivalent to reducing the moment, so that the disassembly of the upper cover 2 is 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 of the special application environment of the ventilation device, the ventilation device is often subjected to some impact to vibrate, and the upper cover 2 and the main shell 1 can be firmly connected through the mutual matching of the limiting block 34 and the limiting hole 36.
Referring to fig. 2 and 3, according to an embodiment of the present invention, the locking assembly 3 further includes a spring 32 and a limiting ball 33, wherein the upper end and the side end of the non-falling screw 21 are respectively provided with a limiting groove 22, the locking piece 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 the opening of the groove 35, and the limiting ball 33 is clamped between the groove 35 and the limiting groove 22 on the non-falling screw 21. According to the concept of the invention, the limit ball 33 falls into the limit groove 22 of the non-falling screw 21 under the action of spring force to be attached to the limit groove 22. The limit groove 22 limits the movement of the limit ball 33. Through the mutual cooperation of the spring 32, the limiting ball 33 and the limiting groove 22, the anti-loose piece 31 can play a certain limiting role on the swing of the anti-loose piece no matter which state is in, the upper cover 2 is further prevented from being disconnected with the main shell 1 after being impacted, and the firmness of connection is further ensured.
In connection with fig. 4, according to an embodiment of the present invention, the upper cover 2 is provided with a filtering orifice plate integrally, and it is ensured that the ventilation device has a large ventilation area while providing coarse-stage filtering and protecting functions.
As shown in connection with fig. 1, according to one embodiment of the present invention, a connection member 5 is provided on a side wall of the main casing 1. In the present embodiment, 6 screw holes are provided on both sides of the main casing 1 for connection to the cabin interior relative position. According to the conception of the invention, only one side threaded hole is used for connection in actual connection, and by the arrangement, the ventilation device has interchangeability and universality in installation at different positions of a space station.
As shown in fig. 5 and 6, according to an embodiment of the present invention, a flexible connection unit 6 is connected to the bottom opening of the main housing 1. According to the inventive concept, the bottom opening of the main housing 1 needs to be connected with a ventilation pipe, and forces in all directions can be buffered by the flexible connection assembly 5 due to its special use environment, thereby improving the service life. According to a preferred embodiment of the invention, the flexible connection unit 6 comprises a flange 61 and a composite material 62 of flame retardant cloth and TPU film, the flange 61 being bonded and sewn to the composite material of flame retardant cloth 63 and TPU film 64. In the present embodiment, the flame retardant cloth 63 is alternately attached to the TPU film 64, wherein the flame retardant cloth 63 is disposed at the outermost end. 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 soft connecting component 6 can be prevented from being damaged in a high-temperature state by adopting the structure that the flame retardant cloth 63 and the TPU film 64 are alternately attached together, and the soft connecting component 6 has stronger impact resistance because the TPU film has better elasticity.
According to one embodiment of the invention, the main housing 1 is of regular square configuration. According to the conception of the invention, in order to adapt to the limited space in the cabin, the ventilation device is arranged at the skirting line position, and the position limitation can be further met by adopting a square structural design, so that 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 various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The ventilation device comprises a main shell (1) and an upper cover (2), wherein an opening is formed in the bottom of the main shell (1), a through hole (4) is formed in the upper cover (2), one side of the upper cover (2) is movably connected with the main shell (1), and the ventilation device is characterized by further comprising a non-falling screw (21), the non-falling screw (21) is connected with the other side of the upper cover (2), and the other side of the upper cover (2) is detachably connected with the main shell (1) through the non-falling screw (21);
the anti-loosening device comprises an upper cover (2), and is characterized by further comprising an anti-loosening assembly (3), wherein the anti-loosening assembly (3) comprises an anti-loosening sheet (31), a limiting hole (36) and a limiting block (34), the anti-loosening sheet (31) is movably connected with the non-loosening screw (21), the limiting hole (36) is formed in the anti-loosening sheet (31), and the limiting block (34) is arranged on the upper cover (2);
the anti-loosening assembly (3) further comprises a spring (32), a limiting ball (33), a groove (35) and a limiting groove (22), wherein the groove (35) is formed in the anti-loosening sheet (31), the spring (32) is arranged in the groove (35), and the limiting ball (33) is arranged at the opening of the groove (35);
the anti-loosening assembly (3) is arranged at the upper end of the non-falling screw (21), the anti-loosening sheet (31) can swing around the non-falling screw (21) in the vertical and horizontal directions, the limiting groove (22) is formed in the upper end and the side end of the non-falling screw (21), and the limiting ball (33) is clamped between the groove (35) and the limiting groove (22).
2. A ventilation device according to claim 1, characterized in that the upper cover (2) is an integrally mounted filter orifice plate.
3. A ventilation device according to claim 1, characterized in that a connection (5) is provided on the side wall of the main housing (1).
4. The ventilation device according to claim 1, further comprising a flexible connection assembly (6), the flexible connection assembly (6) being connected to the bottom opening of the main housing (1).
5. A ventilation device according to claim 4, 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 (1) by means of the flexible material (62).
6. A ventilation device according to claim 5, characterized in that the flexible material (62) is a composite material (64) of flame retardant cloth (63) and TPU film.
7. A ventilation device according to claim 5 or 6, characterized in that the flange (61) is connected to the flexible material (62) by means of gluing and sewing.
8. A ventilation device according to claim 1, characterized in that the main housing (1) is of regular square construction.
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 CN114180106A (en) | 2022-03-15 |
| CN114180106B true CN114180106B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111351655.XA Active CN114180106B (en) | 2021-11-16 | 2021-11-16 | Ventilating device |
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| CN114180106A (en) | 2022-03-15 |
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