CN211097987U

CN211097987U - Split type zero-leakage structure laminar flow hood

Info

Publication number: CN211097987U
Application number: CN201922010224.1U
Authority: CN
Inventors: 李星明
Original assignee: Shenzhen Airkey Environmental Technology & Engineering Co ltd
Current assignee: Shenzhen Airkey Environmental Technology & Engineering Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-28
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a split type laminar flow hood with a zero leakage structure, which comprises a fan device and a high-efficiency filter device, wherein the bottom of a sub-air pipe is uniformly provided with a plurality of air outlets with the same air outlets facing downwards, so that the air outlet surface of the high-efficiency filter is enlarged to form air flow for uniformly discharging air, a first sealing structure, the tight degree of sealing between laminar flow hood body and the high efficiency filter has been improved in setting up of second seal structure and third seal structure, the phenomenon of leakage prevents to take place, the security of device use has been improved, through the detachable connection of first seal structure between fan device and the high efficiency filter equipment, make things convenient for the device to dismantle the maintenance, the life of device has been prolonged, dust-proof structure's setting can prevent that the dust in the air from passing through inside the vent entering device, avoid taking place the deposition phenomenon in the device, the cleanness in purification area has not only been guaranteed, and the life of device has further been improved.

Description

Split type zero-leakage structure laminar flow hood

Technical Field

The utility model relates to a laminar flow hood technical field specifically is a structure laminar flow hood is revealed to split type nothing.

Background

The laminar flow cover passes through the high-efficiency filter with the air with certain ground wind speed after, forms the homoflow layer, makes clean air be perpendicular uniflow to guaranteed to reach the cleanliness factor of technological requirement in the workspace, the laminar flow cover is the air purification unit that can provide local clean environment, can install in the process point top that needs high cleanliness factor in a flexible way, and clean laminar flow cover can be single use, also can a plurality of combination become banded clean region.

The air intake of the traditional split type zero leakage structure laminar flow hood all is located the top of the cover body, dust in the air falls on air intake department easily, the dust piles up too much and causes the air intake to block up easily after using for a long time, influence filtration and laminar flow, and the air-out face of the traditional split type zero leakage structure laminar flow hood filter pastes sealed sticky tape, seal through the bolt-up or add sealed glue between laminar flow hood and high efficiency filter, it compresses tightly sealed to lean on high efficiency filter dead weight, two kinds of sealed modes all can produce the gap and lead to sealed effect unreliable, produce and reveal, influence purification area's cleanness.

Aiming at the problems, in order to improve the tightness of the seal between the laminar flow cover and the high-efficiency filter, prevent leakage, improve the use safety of the device, ensure the cleanness of a purification area, facilitate the disassembly and maintenance of the device and prolong the service life of the device, the split laminar flow cover with the zero leakage structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure laminar flow hood is revealed to split type nothing has improved the tight degree of sealing between laminar flow hood and the high efficiency filter, prevents to take place to leak the phenomenon, has improved the security that the device used, has guaranteed to purify regional clean, has made things convenient for the device to dismantle the maintenance, has prolonged the life of device, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a split type laminar flow hood with a zero leakage structure comprises a fan device and a high-efficiency filtering device, wherein the high-efficiency filtering device is arranged at the lower end of the fan device, the fan device comprises a dustproof structure and a fan structure, and the dustproof structure is arranged at the top of the fan structure; the fan structure comprises a box body, a fan, a wind collecting cavity and a wind outlet pipe, wherein the fan is arranged at the top of an inner cavity of the box body, and the wind outlet pipe is connected with the bottom of the fan through the wind collecting cavity; a first sealing structure is arranged between the fan device and the high-efficiency filtering device; the first sealing structure comprises a sealing gasket, a first sealing ring, a first fixing nut, a second sealing ring and a sealing groove, the sealing gasket is arranged at the bottom of the first sealing ring, the first sealing ring and the second sealing ring are connected through the first fixing nut, the sealing groove is arranged in an inner cavity at the top of the second sealing ring, and the sealing gasket and the sealing groove are connected in a matched mode; the high-efficiency filtering device comprises a laminar flow cover body, a cover plate, an air supply structure, a second sealing structure, a third sealing structure, a high-efficiency filter and an activated carbon layer, wherein the two ends of the cover plate are connected with the two ends of the laminar flow cover body through the second sealing structure, the air supply structure is arranged in an inner cavity of the laminar flow cover body, the activated carbon layer is arranged at the lower end of the air supply structure, the high-efficiency filter is arranged at the lower end of the activated carbon layer, and the third sealing structure is respectively arranged at the lower end and the two sides of the high.

Further, dustproof construction includes guard plate, hang plate, vent and filter screen, and the hang plate setting is at the both ends of guard plate, and the filter screen setting is at the lower extreme of guard plate, and the bottom of filter screen is connected with the top of box, and the vent setting is between two filter screens.

Furthermore, the air supply structure comprises a main air pipe, air distribution pipes and air outlets, wherein the air distribution pipes are arranged on two sides of the bottom of the main air pipe, and the air outlets are arranged at the bottom of the air distribution pipes.

Furthermore, a plurality of same air outlets with downward air openings are uniformly formed in the bottom of the air distribution pipe.

Further, the third seal structure includes sealed piece, the fixed frame of U type, net dish, standing groove, joint sealant and support ring, and the support ring setting is on the inner wall of laminar flow cover body, and the standing groove setting is in the upper end of support ring, and sealed glue sets up the inner chamber at the standing groove, and the net dish sets up the inner chamber in the fixed frame bottom of U type, and sealed piece setting is at the lower extreme of the fixed frame both sides of U type, and the lower extreme setting of sealed piece is in sealed inside of gluing.

Further, the fan device and the high-efficiency filtering device are detachably connected through a first sealing structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a structure laminar flow hood is revealed to split type zero, divide the bottom of tuber pipe evenly to set up a plurality of the same and the decurrent air outlet in wind gap, make high efficiency filter's air-out face increase, form the wind current of even air-out, first seal structure, second seal structure and third seal structure set up the tight degree of sealing between laminar flow hood and the high efficiency filter that has improved, prevent to take place to leak the phenomenon, improved the security that the device used.

2. The utility model provides a structure laminar flow hood is revealed to split type zero, through the detachable connection of first seal structure between fan device and the high-efficient filter equipment, makes things convenient for the device to dismantle the maintenance, has prolonged the life of device.

3. The utility model provides a structure laminar flow hood is revealed to split type zero, inside dust in the dustproof construction's setting can prevent that the dust in the air from passing through vent access device, avoided taking place the deposition phenomenon in the device, not only guaranteed to purify regional clean, further improved the life of device moreover.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a schematic structural view of the fan device of the present invention;

fig. 3 is a schematic structural view of the high-efficiency filtering device of the present invention.

In the figure: 1. a fan device; 11. a dust-proof structure; 111. a protection plate; 112. an inclined plate; 113. a vent; 114. a filter screen; 12. a fan structure; 121. a box body; 122. a fan; 123. a wind collecting cavity; 124. an air outlet pipe; 2. a high efficiency filtration device; 21. a laminar flow hood body; 22. a cover plate; 23. an air supply structure; 231. a main air duct; 232. air distributing pipes; 233. an air outlet; 24. a second seal structure; 25. a third seal structure; 251. a sealing block; 252. a U-shaped fixing frame; 253. a net disk; 254. a placement groove; 255. sealing glue; 256. a support ring; 26. a high efficiency filter; 27. an activated carbon layer; 32. a first seal structure; 321. a gasket; 322. a first seal ring; 323. a first fixing nut; 324. a second seal ring; 325. sealing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a split laminar flow hood with zero leakage structure comprises a fan device 1 and a high-efficiency filter device 2, the high-efficiency filter device 2 is disposed at the lower end of the fan device 1, the fan device 1 comprises a dustproof structure 11 and a fan structure 12, the dustproof structure 11 is disposed at the top of the fan structure 12, the fan structure 12 comprises a box 121, a fan 122, a wind collecting cavity 123 and a wind outlet pipe 124, the fan 122 is disposed at the top of the inner cavity of the box 121, the wind outlet pipe 124 is connected with the bottom of the fan 122 through the wind collecting cavity 123, a first sealing structure 32 is disposed between the fan device 1 and the high-efficiency filter device 2, and the fan device 1 and the high-efficiency filter device 2 are detachably connected through the first sealing structure 32, so as to facilitate the detachment and maintenance of the device, prolong the service life of the device, the first sealing structure 32 comprises a sealing pad 321, a first, A second sealing ring 324 and a sealing groove 325, wherein a sealing gasket 321 is arranged at the bottom of the first sealing ring 322, the first sealing ring 322 is connected with the second sealing ring 324 through a first fixing nut 323, the sealing groove 325 is arranged in an inner cavity at the top of the second sealing ring 324, and the sealing gasket 321 is connected with the sealing groove 325 in a matching manner, the dustproof structure 11 comprises a protection plate 111, an inclined plate 112, a vent 113 and filter screens 114, the inclined plate 112 is arranged at two ends of the protection plate 111, the filter screens 114 are arranged at the lower end of the protection plate 111, the bottoms of the filter screens 114 are connected with the top of the box body 121, the vent 113 is arranged between the two filter screens 114, dust in the air can be prevented from entering the device through the vent 113, the dust accumulation phenomenon in the device is avoided, the cleanness of a purification area is ensured, the service life of the device is further prolonged, and the, The cover plate 22, the air supply structure 23, the second sealing structure 24, the third sealing structure 25, the high-efficiency filter 26 and the activated carbon layer 27, the two ends of the cover plate 22 are connected with the two ends of the laminar flow hood body 21 through the second sealing structure 24, the air supply structure 23 is arranged in the inner cavity of the laminar flow hood body 21, the activated carbon layer 27 is arranged at the lower end of the air supply structure 23, the high-efficiency filter 26 is arranged at the lower end of the activated carbon layer 27, the third sealing structure 25 is respectively arranged at the lower end and the two sides of the high-efficiency filter 26, the air supply structure 23 comprises a main air pipe 231, air distribution pipes 232 and air outlets 233, the air distribution pipes 232 are arranged at the two sides of the bottom of the main air pipe 231, the air outlets 233 are arranged at the bottoms of the air distribution pipes 232, a plurality of air outlets 233 which are the same and are downward are uniformly arranged at the bottoms of the air distribution pipes, so that, The support ring 256 is arranged on the inner wall of the laminar flow hood body 21, the placing groove 254 is arranged at the upper end of the support ring 256, the sealant 255 is arranged in the inner cavity of the placing groove 254, the net disc 253 is arranged in the inner cavity of the bottom of the U-shaped fixing frame 252, the sealing blocks 251 are arranged at the lower ends of two sides of the U-shaped fixing frame 252, the lower ends of the sealing blocks 251 are arranged in the sealant 255, the arrangement of the first sealing structure 32, the second sealing structure 24 and the third sealing structure 25 improves the sealing tightness between the laminar flow hood body 21 and the efficient filter 26, the leakage phenomenon is prevented, and the use safety of the device is improved.

In summary, the following steps: the utility model provides a split type zero leakage structure laminar flow hood, including fan device 1 and high efficiency filter device 2, divide the bottom of wind pipe 232 to evenly set up a plurality of the same and wind gap downward air outlets 233, make the air-out face of high efficiency filter 26 increase, form the wind current of even air-out, the tight degree of seal between laminar flow hood body 21 and high efficiency filter 26 is improved to the setting of first seal structure 32, second seal structure 24 and third seal structure 25, prevent to take place the leakage phenomenon, the security of device use is improved, fan device 1 and high efficiency filter device 2 are detachably connected through first seal structure 32, facilitate the device to dismantle and maintain, the service life of the device is prolonged, the setting of dustproof structure 11 can prevent the dust in the air from entering the device through vent 113, avoid the dust accumulation phenomenon in the device, not only guarantee the cleanness of the purification area, and the service life of the device is further prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a split type zero structure laminar flow hood of revealing, includes fan device (1) and high efficiency filter equipment (2), and high efficiency filter equipment (2) set up the lower extreme at fan device (1), its characterized in that: the fan device (1) comprises a dustproof structure (11) and a fan structure (12), wherein the dustproof structure (11) is arranged at the top of the fan structure (12); the fan structure (12) comprises a box body (121), a fan (122), a wind collecting cavity (123) and a wind outlet pipe (124), wherein the fan (122) is arranged at the top of an inner cavity of the box body (121), and the wind outlet pipe (124) is connected with the bottom of the fan (122) through the wind collecting cavity (123); a first sealing structure (32) is arranged between the fan device (1) and the high-efficiency filtering device (2); the first sealing structure (32) comprises a sealing gasket (321), a first sealing ring (322), a first fixing nut (323), a second sealing ring (324) and a sealing groove (325), the sealing gasket (321) is arranged at the bottom of the first sealing ring (322), the first sealing ring (322) is connected with the second sealing ring (324) through the first fixing nut (323), the sealing groove (325) is arranged in an inner cavity at the top of the second sealing ring (324), and the sealing gasket (321) is matched and connected with the sealing groove (325); high efficiency filter equipment (2) are including laminar flow cover body (21), apron (22), air supply structure (23), second seal structure (24), third seal structure (25), high efficiency filter (26) and activated carbon layer (27), the both ends of apron (22) are passed through second seal structure (24) and are connected with the both ends of laminar flow cover body (21), air supply structure (23) set up the inner chamber at laminar flow cover body (21), activated carbon layer (27) set up the lower extreme at air supply structure (23), high efficiency filter (26) set up the lower extreme on activated carbon layer (27), third seal structure (25) set up lower extreme and both sides at high efficiency filter (26) respectively.

2. The split zero-leak structural laminar flow hood according to claim 1, wherein: dustproof construction (11) include guard plate (111), hang plate (112), vent (113) and filter screen (114), and hang plate (112) set up the both ends at guard plate (111), and filter screen (114) set up the lower extreme at guard plate (111), and the bottom of filter screen (114) is connected with the top of box (121), and vent (113) set up between two filter screens (114).

3. The split zero-leak structural laminar flow hood according to claim 1, wherein: air supply structure (23) include total tuber pipe (231), divide tuber pipe (232) and air outlet (233), divide tuber pipe (232) to set up the both sides in total tuber pipe (231) bottom, and air outlet (233) set up the bottom at branch tuber pipe (232).

4. The split zero-leak structural laminar flow hood according to claim 3, wherein: the bottom of the air distribution pipe (232) is uniformly provided with a plurality of air outlets (233) which are the same and have downward air openings.

5. The split zero-leak structural laminar flow hood according to claim 1, wherein: the third sealing structure (25) comprises a sealing block (251), a U-shaped fixing frame (252), a net disc (253), a placing groove (254), a sealant (255) and a supporting ring (256), wherein the supporting ring (256) is arranged on the inner wall of the laminar flow cover body (21), the placing groove (254) is arranged at the upper end of the supporting ring (256), the sealant (255) is arranged in an inner cavity of the placing groove (254), the net disc (253) is arranged in an inner cavity at the bottom of the U-shaped fixing frame (252), the sealing block (251) is arranged at the lower ends of two sides of the U-shaped fixing frame (252), and the lower end of the sealing block (251) is arranged in the sealant (255).

6. The split zero-leak structural laminar flow hood according to claim 1, wherein: the fan device (1) and the high-efficiency filtering device (2) are detachably connected through a first sealing structure (32).